/* ============================================
   FrameKit - Enfriador Ice Core Landing
   Unified stylesheet
   Mobile-first. Breakpoints: 640px, 900px
   ============================================ */

/* ============ DESIGN TOKENS ============ */
:root {
  /* Brand colors */
  --fk-orange: #e67e22;
  --fk-orange-hover: #f39a44;
  --fk-blue-dark: #2c3e50;
  --fk-green: #27ae60;
  --fk-green-2: #10b981;
  --fk-warn: #f59e0b;
  --fk-error: #e74c3c;

  /* Text */
  --fk-text-primary: #f1f5f9;
  --fk-text-secondary: #94a3b8;
  --fk-text-tertiary: #64748b;

  /* Backgrounds */
  --fk-bg-top: #0a0a0f;
  --fk-bg-mid: #0f172a;

  /* Cards */
  --fk-card-bg: rgba(255, 255, 255, 0.03);
  --fk-card-border: rgba(255, 255, 255, 0.06);
  --fk-card-radius: 20px;
  --fk-btn-radius: 14px;

  /* Motion */
  --fk-ease: cubic-bezier(0.16, 1, 0.3, 1);
}

/* ============ RESET ============ */
*,
*::before,
*::after {
  box-sizing: border-box;
}

* {
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family:
    "Inter",
    system-ui,
    -apple-system,
    "Segoe UI",
    Roboto,
    sans-serif;
  font-weight: 400;
  line-height: 1.5;
  color: var(--fk-text-primary);
  background: linear-gradient(180deg, #0a0a0f 0%, #0f172a 100%);
  background-attachment: fixed;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

img,
svg,
video {
  display: block;
  max-width: 100%;
  height: auto;
}

button {
  font-family: inherit;
  cursor: pointer;
}

input,
textarea,
select {
  font-family: inherit;
}

a {
  color: inherit;
}

/* ============ UTILITY ============ */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition:
    opacity 0.6s var(--fk-ease),
    transform 0.6s var(--fk-ease);
  will-change: opacity, transform;
}

.reveal.revealed {
  opacity: 1;
  transform: translateY(0);
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Body scroll lock (for nav drawer) */
body.fk-nav-lock {
  overflow: hidden;
}

/* ============ ANNOUNCEMENT BAR ============ */
.fk-announcement {
  position: relative;
  width: 100%;
  background: var(--fk-orange);
  color: #ffffff;
  z-index: 60;
  overflow: hidden;
  border-bottom: 1px solid rgba(0, 0, 0, 0.08);
  animation: fkAnnouncementIn 0.4s var(--fk-ease);
}

.fk-announcement.is-hidden {
  display: none;
}

.fk-announcement__inner {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 40px;
  padding: 8px 44px 8px 16px;
  max-width: 1200px;
  margin: 0 auto;
}

.fk-announcement__dot {
  flex-shrink: 0;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #ffffff;
  box-shadow: 0 0 0 0 rgba(255, 255, 255, 0.7);
  animation: fkAnnouncementPulse 1.8s ease-out infinite;
}

.fk-announcement__text {
  margin: 0;
  font-size: 13px;
  font-weight: 400;
  line-height: 1.35;
  letter-spacing: 0.2px;
  color: #ffffff;
  text-align: center;
}

.fk-announcement__text strong {
  font-weight: 800;
  letter-spacing: 0.6px;
  text-transform: uppercase;
  font-size: 12px;
}

.fk-announcement__sep {
  margin: 0 6px;
  opacity: 0.7;
}

.fk-announcement__close {
  position: absolute;
  top: 50%;
  right: 10px;
  transform: translateY(-50%);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  padding: 0;
  border: 0;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.14);
  color: #ffffff;
  cursor: pointer;
  transition:
    background 0.2s var(--fk-ease),
    transform 0.2s var(--fk-ease);
}

.fk-announcement__close:hover,
.fk-announcement__close:focus-visible {
  background: rgba(255, 255, 255, 0.28);
  transform: translateY(-50%) scale(1.06);
  outline: none;
}

.fk-announcement__close:focus-visible {
  box-shadow: 0 0 0 2px rgba(255, 255, 255, 0.9);
}

.fk-announcement__close:active {
  transform: translateY(-50%) scale(0.94);
}

@keyframes fkAnnouncementPulse {
  0% {
    box-shadow: 0 0 0 0 rgba(255, 255, 255, 0.7);
  }
  70% {
    box-shadow: 0 0 0 8px rgba(255, 255, 255, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(255, 255, 255, 0);
  }
}

@keyframes fkAnnouncementIn {
  from {
    opacity: 0;
    transform: translateY(-100%);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ============ NAV BAR ============ */
.fk-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: transparent;
  transition:
    background 0.3s var(--fk-ease),
    border-color 0.3s var(--fk-ease),
    box-shadow 0.3s var(--fk-ease);
  border-bottom: 1px solid transparent;
}

.fk-nav.is-scrolled {
  background: rgba(10, 10, 15, 0.72);
  backdrop-filter: blur(16px) saturate(140%);
  -webkit-backdrop-filter: blur(16px) saturate(140%);
  border-bottom-color: var(--fk-card-border);
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.25);
}

.fk-nav__inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 14px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.fk-nav__logo {
  font-weight: 900;
  font-size: 22px;
  letter-spacing: -0.02em;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  line-height: 1;
  white-space: nowrap;
}

.fk-nav__logo-frame {
  color: var(--fk-orange);
}

.fk-nav__logo-kit {
  color: var(--fk-text-primary);
}

.fk-nav__links {
  display: none;
}

.fk-nav__link {
  color: var(--fk-text-secondary);
  text-decoration: none;
  font-weight: 500;
  font-size: 15px;
  padding: 8px 4px;
  transition: color 0.2s var(--fk-ease);
  position: relative;
}

.fk-nav__link:hover {
  color: var(--fk-text-primary);
}

.fk-nav__link::after {
  content: "";
  position: absolute;
  bottom: 2px;
  left: 4px;
  right: 4px;
  height: 1px;
  background: var(--fk-orange);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s var(--fk-ease);
}

.fk-nav__link:hover::after {
  transform: scaleX(1);
}

.fk-nav__actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.fk-nav__cta {
  display: none;
  background: linear-gradient(135deg, #e67e22, #f39a44);
  color: #fff;
  text-decoration: none;
  padding: 10px 22px;
  border-radius: var(--fk-btn-radius);
  font-weight: 800;
  font-size: 14px;
  letter-spacing: 0.5px;
  transition:
    transform 0.2s var(--fk-ease),
    box-shadow 0.2s var(--fk-ease);
  white-space: nowrap;
}

.fk-nav__cta:hover {
  transform: scale(1.02);
  box-shadow: 0 12px 32px rgba(230, 126, 34, 0.35);
}

.fk-nav__burger {
  background: transparent;
  border: 1px solid var(--fk-card-border);
  border-radius: 10px;
  width: 42px;
  height: 42px;
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  cursor: pointer;
  padding: 0;
  transition:
    background 0.2s var(--fk-ease),
    border-color 0.2s var(--fk-ease);
}

.fk-nav__burger:hover {
  background: rgba(255, 255, 255, 0.04);
  border-color: rgba(255, 255, 255, 0.12);
}

.fk-nav__burger-line {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--fk-text-primary);
  border-radius: 2px;
  transition:
    transform 0.3s var(--fk-ease),
    opacity 0.2s var(--fk-ease);
}

.fk-nav__burger[aria-expanded="true"] .fk-nav__burger-line:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.fk-nav__burger[aria-expanded="true"] .fk-nav__burger-line:nth-child(2) {
  opacity: 0;
}
.fk-nav__burger[aria-expanded="true"] .fk-nav__burger-line:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.fk-nav__drawer {
  position: fixed;
  inset: 0;
  z-index: 200;
}

.fk-nav__drawer[hidden] {
  display: none;
}

.fk-nav__drawer-overlay {
  position: absolute;
  inset: 0;
  background: rgba(10, 10, 15, 0.65);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  opacity: 0;
  transition: opacity 0.3s var(--fk-ease);
}

.fk-nav__drawer.is-open .fk-nav__drawer-overlay {
  opacity: 1;
}

.fk-nav__drawer-panel {
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  width: min(320px, 85vw);
  background: linear-gradient(180deg, #0f172a 0%, #0a0a0f 100%);
  border-left: 1px solid var(--fk-card-border);
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 24px;
  transform: translateX(100%);
  transition: transform 0.35s var(--fk-ease);
  box-shadow: -20px 0 60px rgba(0, 0, 0, 0.5);
}

.fk-nav__drawer.is-open .fk-nav__drawer-panel {
  transform: translateX(0);
}

.fk-nav__drawer-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--fk-card-border);
}

.fk-nav__drawer-close {
  background: transparent;
  border: 1px solid var(--fk-card-border);
  color: var(--fk-text-primary);
  width: 36px;
  height: 36px;
  border-radius: 10px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background 0.2s var(--fk-ease);
}

.fk-nav__drawer-close:hover {
  background: rgba(255, 255, 255, 0.04);
}

.fk-nav__drawer-links {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.fk-nav__drawer-link {
  color: var(--fk-text-primary);
  text-decoration: none;
  font-weight: 600;
  font-size: 17px;
  padding: 14px 12px;
  border-radius: 12px;
  transition:
    background 0.2s var(--fk-ease),
    color 0.2s var(--fk-ease);
}

.fk-nav__drawer-link:hover,
.fk-nav__drawer-link:focus-visible {
  background: rgba(230, 126, 34, 0.08);
  color: var(--fk-orange);
}

.fk-nav__drawer-cta {
  margin-top: auto;
  background: linear-gradient(135deg, #e67e22, #f39a44);
  color: #fff;
  text-decoration: none;
  padding: 16px 24px;
  border-radius: var(--fk-btn-radius);
  font-weight: 800;
  font-size: 16px;
  letter-spacing: 0.5px;
  text-align: center;
  transition:
    transform 0.2s var(--fk-ease),
    box-shadow 0.2s var(--fk-ease);
}

.fk-nav__drawer-cta:hover {
  transform: scale(1.02);
  box-shadow: 0 12px 32px rgba(230, 126, 34, 0.35);
}

/* ============ HERO ============ */
.fk-hero {
  position: relative;
  padding: 88px 20px 64px;
  overflow: hidden;
  isolation: isolate;
}

.fk-hero::before {
  content: "";
  position: absolute;
  top: -20%;
  right: -20%;
  width: 720px;
  height: 720px;
  background: radial-gradient(
    circle at center,
    rgba(230, 126, 34, 0.18) 0%,
    rgba(230, 126, 34, 0.08) 30%,
    transparent 65%
  );
  filter: blur(40px);
  z-index: -1;
  pointer-events: none;
}

.fk-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse at center, black 40%, transparent 80%);
  -webkit-mask-image: radial-gradient(
    ellipse at center,
    black 40%,
    transparent 80%
  );
  z-index: -1;
  pointer-events: none;
}

.fk-hero__inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 40px;
  align-items: center;
}

.fk-hero__content {
  width: 100%;
  max-width: 620px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.fk-hero__tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  background: rgba(231, 76, 60, 0.1);
  border: 1px solid rgba(231, 76, 60, 0.28);
  border-radius: 999px;
  color: #fca5a5;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.2px;
  align-self: flex-start;
  max-width: 100%;
}

.fk-hero__tag-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--fk-error);
  box-shadow: 0 0 12px rgba(231, 76, 60, 0.6);
  flex-shrink: 0;
}

.fk-hero__title {
  font-size: clamp(34px, 6.8vw, 56px);
  line-height: 1.05;
  font-weight: 900;
  letter-spacing: -0.02em;
  color: var(--fk-text-primary);
  margin: 0;
}

.fk-hero__title-accent {
  background: linear-gradient(135deg, #e67e22 0%, #f39a44 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  -webkit-text-fill-color: transparent;
}

.fk-hero__subtitle {
  font-size: clamp(15px, 2.2vw, 18px);
  line-height: 1.6;
  color: var(--fk-text-secondary);
  margin: 0;
  max-width: 560px;
}

.fk-hero__price-block {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 20px 22px;
  background: var(--fk-card-bg);
  border: 1px solid var(--fk-card-border);
  border-radius: var(--fk-card-radius);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  align-self: flex-start;
  max-width: 100%;
}

.fk-hero__price-row {
  display: flex;
  align-items: baseline;
  gap: 14px;
  flex-wrap: wrap;
}

.fk-hero__price-current {
  font-size: clamp(38px, 6.5vw, 52px);
  font-weight: 900;
  color: var(--fk-orange);
  line-height: 1;
  letter-spacing: -0.02em;
  text-shadow: 0 0 30px rgba(230, 126, 34, 0.25);
}

.fk-hero__price-meta {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.fk-hero__price-old {
  font-size: 18px;
  color: var(--fk-text-tertiary);
  text-decoration: line-through;
  text-decoration-thickness: 2px;
  font-weight: 600;
}

.fk-hero__price-currency {
  font-size: 12px;
  color: var(--fk-text-secondary);
  font-weight: 700;
  letter-spacing: 0.1em;
}

.fk-hero__price-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  font-weight: 700;
  color: var(--fk-orange);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.fk-hero__status {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 14px;
  background: rgba(245, 158, 11, 0.08);
  border: 1px solid rgba(245, 158, 11, 0.25);
  border-radius: 999px;
  align-self: flex-start;
  max-width: 100%;
}

.fk-hero__status-dot {
  position: relative;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--fk-warn);
  flex-shrink: 0;
}

.fk-hero__status-dot::after {
  content: "";
  position: absolute;
  inset: -4px;
  border-radius: 50%;
  background: var(--fk-warn);
  opacity: 0.5;
  animation: fk-hero-pulse 1.8s ease-out infinite;
}

@keyframes fk-hero-pulse {
  0% {
    transform: scale(0.8);
    opacity: 0.6;
  }
  70% {
    transform: scale(2.2);
    opacity: 0;
  }
  100% {
    transform: scale(2.2);
    opacity: 0;
  }
}

.fk-hero__status-text {
  font-size: 13px;
  font-weight: 600;
  color: #fbbf24;
  letter-spacing: 0.2px;
}

.fk-hero__cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 18px 28px;
  background: linear-gradient(135deg, #e67e22 0%, #f39a44 100%);
  color: #ffffff;
  border: none;
  border-radius: var(--fk-btn-radius);
  font-family: inherit;
  font-size: 15px;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  text-decoration: none;
  cursor: pointer;
  transition:
    transform 0.2s var(--fk-ease),
    box-shadow 0.3s var(--fk-ease);
  box-shadow:
    0 6px 20px rgba(230, 126, 34, 0.28),
    inset 0 1px 0 rgba(255, 255, 255, 0.2);
  align-self: stretch;
  text-align: center;
  margin-top: 4px;
}

.fk-hero__cta:hover,
.fk-hero__cta:focus-visible {
  transform: scale(1.02) translateY(-1px);
  box-shadow:
    0 12px 32px rgba(230, 126, 34, 0.42),
    inset 0 1px 0 rgba(255, 255, 255, 0.25);
  outline: none;
}

.fk-hero__cta:active {
  transform: scale(0.99);
}

.fk-hero__cta-arrow {
  transition: transform 0.25s var(--fk-ease);
  flex-shrink: 0;
}

.fk-hero__cta:hover .fk-hero__cta-arrow {
  transform: translateX(4px);
}

.fk-hero__micro {
  font-size: 12px;
  color: var(--fk-text-tertiary);
  margin: 0;
  text-align: center;
  letter-spacing: 0.02em;
}

.fk-hero__visual {
  width: 100%;
  max-width: 520px;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.fk-hero__product {
  position: relative;
  width: 100%;
  aspect-ratio: 1 / 1;
  max-width: 480px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.fk-hero__product::before {
  content: "";
  position: absolute;
  inset: -10%;
  background: radial-gradient(
    circle at center,
    rgba(230, 126, 34, 0.35) 0%,
    rgba(230, 126, 34, 0.15) 30%,
    rgba(230, 126, 34, 0.05) 55%,
    transparent 75%
  );
  filter: blur(30px);
  z-index: 0;
  pointer-events: none;
  animation: fk-hero-glow 6s ease-in-out infinite;
}

@keyframes fk-hero-glow {
  0%,
  100% {
    opacity: 0.85;
    transform: scale(1);
  }
  50% {
    opacity: 1;
    transform: scale(1.05);
  }
}

.fk-hero__placeholder {
  position: relative;
  z-index: 1;
  width: 100%;
  height: 100%;
  border: 2px dashed rgba(230, 126, 34, 0.35);
  border-radius: 24px;
  background:
    linear-gradient(
      135deg,
      rgba(230, 126, 34, 0.04) 0%,
      rgba(44, 62, 80, 0.15) 100%
    ),
    var(--fk-card-bg);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.fk-hero__placeholder-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  color: var(--fk-orange);
  text-align: center;
  padding: 20px;
}

.fk-hero__placeholder-label {
  font-size: 14px;
  font-weight: 800;
  color: var(--fk-orange);
  margin: 0;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.fk-hero__placeholder-sub {
  font-size: 12px;
  color: var(--fk-text-tertiary);
  margin: 0;
  letter-spacing: 0.02em;
}

.fk-hero__fade {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 80px;
  background: linear-gradient(180deg, transparent 0%, var(--fk-bg-mid) 100%);
  pointer-events: none;
  z-index: -1;
}

.fk-hero__visual.reveal {
  transition-delay: 0.12s;
}

/* ============ SOCIAL PROOF ============ */
.fk-social-proof {
  position: relative;
  background: linear-gradient(
    180deg,
    rgba(15, 23, 42, 0.6) 0%,
    rgba(15, 23, 42, 0.9) 100%
  );
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  padding: 20px 0;
  overflow: hidden;
}

.fk-social-proof::before,
.fk-social-proof::after {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  width: 40px;
  pointer-events: none;
  z-index: 2;
}

.fk-social-proof::before {
  left: 0;
  background: linear-gradient(
    90deg,
    rgba(15, 23, 42, 1) 0%,
    rgba(15, 23, 42, 0) 100%
  );
}

.fk-social-proof::after {
  right: 0;
  background: linear-gradient(
    -90deg,
    rgba(15, 23, 42, 1) 0%,
    rgba(15, 23, 42, 0) 100%
  );
}

.fk-social-proof__inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.fk-social-proof__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  align-items: center;
  gap: 20px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}

.fk-social-proof__list::-webkit-scrollbar {
  display: none;
}

.fk-social-proof__item {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
  scroll-snap-align: center;
  padding: 4px 2px;
}

.fk-social-proof__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: rgba(230, 126, 34, 0.08);
  border: 1px solid rgba(230, 126, 34, 0.18);
  flex-shrink: 0;
}

.fk-social-proof__text {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}

.fk-social-proof__value {
  font-size: 15px;
  font-weight: 800;
  color: var(--fk-text-primary);
  letter-spacing: -0.01em;
  line-height: 1.1;
  white-space: nowrap;
}

.fk-social-proof__label {
  font-size: 12px;
  font-weight: 400;
  color: var(--fk-text-secondary);
  letter-spacing: 0.01em;
  line-height: 1.2;
  white-space: nowrap;
}

.fk-social-proof__divider {
  display: none;
  width: 1px;
  height: 32px;
  background: linear-gradient(
    180deg,
    transparent 0%,
    rgba(255, 255, 255, 0.12) 50%,
    transparent 100%
  );
  flex-shrink: 0;
}

.fk-social-proof .reveal:nth-child(1) {
  transition-delay: 0s;
}
.fk-social-proof .reveal:nth-child(3) {
  transition-delay: 0.08s;
}
.fk-social-proof .reveal:nth-child(5) {
  transition-delay: 0.16s;
}
.fk-social-proof .reveal:nth-child(7) {
  transition-delay: 0.24s;
}

/* ============ PROBLEMA ============ */
.fk-problema {
  position: relative;
  padding: 72px 20px 88px;
  background:
    radial-gradient(
      ellipse at 50% 0%,
      rgba(231, 76, 60, 0.08),
      transparent 60%
    ),
    linear-gradient(180deg, #0a0a0f 0%, #0f172a 100%);
  color: var(--fk-text-primary);
  overflow: hidden;
}

.fk-problema::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(
      circle at 20% 30%,
      rgba(230, 126, 34, 0.06),
      transparent 40%
    ),
    radial-gradient(circle at 80% 70%, rgba(231, 76, 60, 0.05), transparent 45%);
  pointer-events: none;
  z-index: 0;
}

.fk-problema__inner {
  position: relative;
  z-index: 1;
  max-width: 1120px;
  margin: 0 auto;
}

.fk-problema__content {
  max-width: 820px;
  margin: 0 auto;
}

.fk-problema__tag {
  display: inline-block;
  padding: 6px 14px;
  border-radius: 999px;
  background: rgba(231, 76, 60, 0.12);
  border: 1px solid rgba(231, 76, 60, 0.3);
  color: #f4a89f;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.8px;
  text-transform: uppercase;
  margin-bottom: 20px;
}

.fk-problema__title {
  font-size: clamp(30px, 6vw, 44px);
  line-height: 1.1;
  font-weight: 900;
  letter-spacing: -0.02em;
  margin: 0 0 20px;
  color: var(--fk-text-primary);
}

.fk-problema__title-accent {
  background: linear-gradient(135deg, #e67e22 0%, #e74c3c 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}

.fk-problema__lead {
  font-size: clamp(16px, 2.2vw, 19px);
  line-height: 1.6;
  color: var(--fk-text-secondary);
  margin: 0 0 32px;
}

.fk-problema__stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin: 0 0 36px;
}

.fk-problema__stat {
  padding: 18px 16px;
  background: var(--fk-card-bg);
  border: 1px solid var(--fk-card-border);
  border-radius: var(--fk-card-radius);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  display: flex;
  flex-direction: column;
  gap: 6px;
  transition:
    transform 0.25s var(--fk-ease),
    border-color 0.25s var(--fk-ease);
}

.fk-problema__stat:hover {
  transform: translateY(-2px);
  border-color: rgba(231, 76, 60, 0.35);
}

.fk-problema__stat-num {
  font-size: clamp(22px, 4vw, 28px);
  font-weight: 900;
  letter-spacing: -0.01em;
  background: linear-gradient(135deg, #f1f5f9 0%, #f39a44 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
  line-height: 1;
}

.fk-problema__stat-label {
  font-size: 12.5px;
  line-height: 1.4;
  color: var(--fk-text-tertiary);
  font-weight: 500;
}

.fk-problema__body {
  font-size: clamp(15px, 2vw, 17px);
  line-height: 1.7;
  color: var(--fk-text-secondary);
  margin: 0 0 20px;
}

.fk-problema__body strong {
  color: var(--fk-text-primary);
  font-weight: 700;
}

.fk-problema__thermal {
  margin: 40px 0 0;
}

.fk-problema__thermal-frame {
  position: relative;
  aspect-ratio: 16 / 9;
  width: 100%;
  border-radius: var(--fk-card-radius);
  border: 2px dashed rgba(230, 126, 34, 0.35);
  background:
    linear-gradient(135deg, rgba(230, 126, 34, 0.06), rgba(231, 76, 60, 0.06)),
    var(--fk-card-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  text-align: center;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.fk-problema__thermal-label {
  color: var(--fk-text-tertiary);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.3px;
  max-width: 480px;
  line-height: 1.5;
}

.fk-problema__thermal-caption {
  margin: 14px 0 0;
  font-size: 13px;
  color: var(--fk-text-tertiary);
  line-height: 1.5;
  text-align: center;
}

/* ============ ANTES/DESPUES ============ */
.fk-antes-despues {
  position: relative;
  padding: 72px 20px;
  background: transparent;
  color: var(--fk-text-primary);
  overflow: hidden;
}

.fk-antes-despues::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(
      600px 300px at 20% 20%,
      rgba(231, 76, 60, 0.06),
      transparent 60%
    ),
    radial-gradient(
      600px 300px at 80% 80%,
      rgba(39, 174, 96, 0.06),
      transparent 60%
    );
  pointer-events: none;
  z-index: 0;
}

.fk-ad-container {
  position: relative;
  z-index: 1;
  max-width: 1120px;
  margin: 0 auto;
}

.fk-ad-header {
  text-align: center;
  margin-bottom: 48px;
}

.fk-ad-eyebrow {
  display: inline-block;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--fk-orange);
  margin-bottom: 12px;
}

.fk-ad-title {
  font-size: 32px;
  line-height: 1.15;
  font-weight: 900;
  letter-spacing: -0.02em;
  margin: 0 0 12px;
  color: var(--fk-text-primary);
}

.fk-ad-subtitle {
  font-size: 16px;
  line-height: 1.5;
  color: var(--fk-text-secondary);
  margin: 0 auto;
  max-width: 560px;
}

.fk-ad-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

.fk-ad-card {
  position: relative;
  background: var(--fk-card-bg);
  border: 1px solid var(--fk-card-border);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-radius: var(--fk-card-radius);
  padding: 28px 24px;
  transition:
    transform 0.35s var(--fk-ease),
    border-color 0.35s var(--fk-ease),
    box-shadow 0.35s var(--fk-ease);
  overflow: hidden;
}

.fk-ad-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  border-top-left-radius: var(--fk-card-radius);
  border-top-right-radius: var(--fk-card-radius);
}

.fk-ad-card--sin::before {
  background: linear-gradient(90deg, transparent, var(--fk-error), transparent);
}

.fk-ad-card--con::before {
  background: linear-gradient(90deg, transparent, var(--fk-green), transparent);
}

.fk-ad-card--sin {
  box-shadow: 0 0 0 1px rgba(231, 76, 60, 0.08) inset;
}

.fk-ad-card--con {
  box-shadow: 0 0 0 1px rgba(39, 174, 96, 0.08) inset;
}

.fk-ad-card--sin:hover {
  transform: translateY(-2px);
  border-color: rgba(231, 76, 60, 0.25);
  box-shadow:
    0 12px 32px rgba(231, 76, 60, 0.12),
    0 0 0 1px rgba(231, 76, 60, 0.12) inset;
}

.fk-ad-card--con:hover {
  transform: translateY(-2px);
  border-color: rgba(39, 174, 96, 0.25);
  box-shadow:
    0 12px 32px rgba(39, 174, 96, 0.12),
    0 0 0 1px rgba(39, 174, 96, 0.12) inset;
}

.fk-ad-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 1.5px;
  padding: 8px 14px;
  border-radius: 999px;
  margin-bottom: 20px;
}

.fk-ad-badge--sin {
  background: rgba(231, 76, 60, 0.12);
  color: #ff8577;
  border: 1px solid rgba(231, 76, 60, 0.3);
}

.fk-ad-badge--con {
  background: rgba(39, 174, 96, 0.12);
  color: #4ade80;
  border: 1px solid rgba(39, 174, 96, 0.3);
}

.fk-ad-badge-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
  box-shadow: 0 0 8px currentColor;
}

.fk-ad-metric {
  display: flex;
  align-items: baseline;
  gap: 8px;
  margin-bottom: 8px;
}

.fk-ad-number {
  font-size: 64px;
  font-weight: 900;
  letter-spacing: -0.04em;
  line-height: 1;
}

.fk-ad-number--sin {
  color: var(--fk-error);
  text-shadow: 0 0 40px rgba(231, 76, 60, 0.25);
}

.fk-ad-number--con {
  color: var(--fk-green);
  text-shadow: 0 0 40px rgba(39, 174, 96, 0.3);
}

.fk-ad-unit {
  font-size: 20px;
  font-weight: 700;
  color: var(--fk-text-secondary);
}

.fk-ad-caption {
  font-size: 14px;
  color: var(--fk-text-secondary);
  margin: 0 0 24px;
  line-height: 1.4;
}

.fk-ad-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.fk-ad-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
}

.fk-ad-icon {
  flex-shrink: 0;
  width: 26px;
  height: 26px;
  border-radius: 8px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-top: 2px;
}

.fk-ad-icon--sin {
  background: rgba(231, 76, 60, 0.12);
  color: var(--fk-error);
  border: 1px solid rgba(231, 76, 60, 0.25);
}

.fk-ad-icon--con {
  background: rgba(39, 174, 96, 0.12);
  color: var(--fk-green);
  border: 1px solid rgba(39, 174, 96, 0.25);
}

.fk-ad-item-body {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.fk-ad-item-body strong {
  font-size: 15px;
  font-weight: 700;
  color: var(--fk-text-primary);
  line-height: 1.3;
}

.fk-ad-item-body span {
  font-size: 13px;
  line-height: 1.45;
  color: var(--fk-text-tertiary);
}

.fk-ad-disclaimer {
  margin: 32px auto 0;
  max-width: 720px;
  text-align: center;
  font-size: 12px;
  line-height: 1.5;
  color: var(--fk-text-tertiary);
}

.fk-antes-despues .fk-ad-card.reveal:nth-child(2) {
  transition-delay: 0.12s;
}

/* ============ FEATURES ============ */
.fk-features {
  position: relative;
  padding: 72px 20px;
  background: transparent;
  color: var(--fk-text-primary);
  overflow: hidden;
}

.fk-features::before {
  content: "";
  position: absolute;
  top: 20%;
  left: 50%;
  width: 480px;
  height: 480px;
  transform: translateX(-50%);
  background: radial-gradient(
    circle at center,
    rgba(230, 126, 34, 0.08),
    transparent 65%
  );
  filter: blur(40px);
  pointer-events: none;
  z-index: 0;
}

.fk-features__container {
  position: relative;
  z-index: 1;
  max-width: 1200px;
  margin: 0 auto;
}

.fk-features__header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 48px;
}

.fk-features__eyebrow {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--fk-orange);
  margin-bottom: 14px;
}

.fk-features__title {
  font-size: clamp(28px, 6vw, 44px);
  font-weight: 900;
  letter-spacing: -0.02em;
  line-height: 1.1;
  margin: 0 0 14px;
  color: var(--fk-text-primary);
}

.fk-features__subtitle {
  font-size: 16px;
  line-height: 1.6;
  color: var(--fk-text-secondary);
  margin: 0;
}

.fk-features__grid {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.fk-feature-card {
  position: relative;
  padding: 28px 24px;
  background: var(--fk-card-bg);
  border: 1px solid var(--fk-card-border);
  border-radius: var(--fk-card-radius);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  transition:
    transform 0.35s var(--fk-ease),
    border-color 0.35s var(--fk-ease),
    box-shadow 0.35s var(--fk-ease),
    background 0.35s var(--fk-ease);
  overflow: hidden;
  isolation: isolate;
}

.fk-feature-card::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: radial-gradient(
    circle at top left,
    rgba(230, 126, 34, 0.12),
    transparent 55%
  );
  opacity: 0;
  transition: opacity 0.35s var(--fk-ease);
  z-index: -1;
  pointer-events: none;
}

.fk-feature-card:hover {
  transform: translateY(-4px);
  border-color: rgba(230, 126, 34, 0.45);
  background: rgba(255, 255, 255, 0.045);
  box-shadow:
    0 18px 40px rgba(0, 0, 0, 0.35),
    0 0 0 1px rgba(230, 126, 34, 0.15) inset;
}

.fk-feature-card:hover::before {
  opacity: 1;
}

.fk-feature-card__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  border-radius: 14px;
  margin-bottom: 20px;
  background: linear-gradient(
    135deg,
    rgba(230, 126, 34, 0.18),
    rgba(230, 126, 34, 0.06)
  );
  border: 1px solid rgba(230, 126, 34, 0.28);
  color: var(--fk-orange);
  transition:
    transform 0.35s var(--fk-ease),
    background 0.35s var(--fk-ease);
}

.fk-feature-card__icon svg {
  width: 26px;
  height: 26px;
}

.fk-feature-card:hover .fk-feature-card__icon {
  transform: scale(1.06);
  background: linear-gradient(
    135deg,
    rgba(230, 126, 34, 0.28),
    rgba(230, 126, 34, 0.1)
  );
}

.fk-feature-card__title {
  font-size: 17px;
  font-weight: 800;
  line-height: 1.3;
  letter-spacing: -0.01em;
  margin: 0 0 10px;
  color: var(--fk-text-primary);
}

.fk-feature-card__body {
  font-size: 14.5px;
  line-height: 1.6;
  color: var(--fk-text-secondary);
  margin: 0;
}

.fk-features .reveal {
  transition-delay: var(--fk-delay, 0ms);
}

/* ============ COMO FUNCIONA ============ */
.fk-how {
  position: relative;
  padding: 72px 20px 88px;
  color: var(--fk-text-primary);
  overflow: hidden;
}

.fk-how::after {
  content: "";
  position: absolute;
  top: 20%;
  left: 50%;
  width: 520px;
  height: 520px;
  transform: translateX(-50%);
  background: radial-gradient(
    circle,
    rgba(230, 126, 34, 0.08) 0%,
    transparent 60%
  );
  pointer-events: none;
  z-index: 0;
}

.fk-how__inner {
  position: relative;
  z-index: 1;
  max-width: 1120px;
  margin: 0 auto;
}

.fk-how__header {
  text-align: center;
  margin-bottom: 56px;
}

.fk-how__eyebrow {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--fk-orange);
  padding: 6px 14px;
  border: 1px solid rgba(230, 126, 34, 0.35);
  border-radius: 999px;
  background: rgba(230, 126, 34, 0.08);
  margin-bottom: 18px;
}

.fk-how__title {
  font-size: clamp(2rem, 6vw, 3rem);
  font-weight: 900;
  line-height: 1.05;
  letter-spacing: -0.02em;
  margin: 0 0 14px;
  color: var(--fk-text-primary);
}

.fk-how__lead {
  font-size: 1rem;
  color: var(--fk-text-secondary);
  max-width: 560px;
  margin: 0 auto;
  line-height: 1.5;
}

.fk-how__timeline {
  list-style: none;
  margin: 0;
  padding: 0;
  position: relative;
  display: grid;
  gap: 40px;
  grid-template-columns: 1fr;
}

.fk-how__timeline::before {
  content: "";
  position: absolute;
  left: 32px;
  top: 32px;
  bottom: 32px;
  width: 2px;
  background: linear-gradient(
    180deg,
    rgba(230, 126, 34, 0) 0%,
    rgba(230, 126, 34, 0.5) 15%,
    rgba(230, 126, 34, 0.5) 85%,
    rgba(230, 126, 34, 0) 100%
  );
  z-index: 0;
}

.fk-how__step {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 64px 1fr;
  grid-template-rows: auto auto auto;
  grid-template-areas:
    "badge icon"
    "badge title"
    "badge desc";
  gap: 6px 20px;
  padding: 20px 22px 22px;
  padding-left: 88px;
  background: var(--fk-card-bg);
  border: 1px solid var(--fk-card-border);
  border-radius: var(--fk-card-radius);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  transition:
    transform 0.4s var(--fk-ease),
    border-color 0.3s var(--fk-ease),
    box-shadow 0.4s var(--fk-ease);
  transition-delay: var(--fk-step-delay, 0ms);
}

.fk-how__step:hover {
  transform: translateY(-3px);
  border-color: rgba(230, 126, 34, 0.35);
  box-shadow: 0 18px 48px rgba(230, 126, 34, 0.12);
}

.fk-how__badge {
  grid-area: badge;
  position: absolute;
  left: 20px;
  top: 20px;
  width: 52px;
  height: 52px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, #e67e22, #f39a44);
  box-shadow:
    0 0 0 4px rgba(230, 126, 34, 0.12),
    0 8px 24px rgba(230, 126, 34, 0.35);
  z-index: 2;
}

.fk-how__num {
  font-size: 1.35rem;
  font-weight: 900;
  color: #fff;
  line-height: 1;
}

.fk-how__icon {
  grid-area: icon;
  width: 36px;
  height: 36px;
  color: var(--fk-orange);
  display: flex;
  align-items: center;
  justify-content: flex-start;
  opacity: 0.9;
}

.fk-how__icon svg {
  width: 100%;
  height: 100%;
}

.fk-how__step-title {
  grid-area: title;
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--fk-text-primary);
  margin: 4px 0 2px;
  letter-spacing: -0.01em;
}

.fk-how__step-desc {
  grid-area: desc;
  font-size: 0.95rem;
  line-height: 1.55;
  color: var(--fk-text-secondary);
  margin: 0;
}

/* ============ VIDEO ============ */
.fk-video {
  position: relative;
  padding: 80px 20px;
  background: linear-gradient(180deg, #0a0a0f 0%, #0f172a 100%);
  color: var(--fk-text-primary);
  overflow: hidden;
}

.fk-video::before {
  content: "";
  position: absolute;
  top: 20%;
  left: 50%;
  width: 600px;
  height: 600px;
  transform: translateX(-50%);
  background: radial-gradient(
    circle,
    rgba(230, 126, 34, 0.08) 0%,
    transparent 60%
  );
  pointer-events: none;
  z-index: 0;
}

.fk-video__container {
  position: relative;
  z-index: 1;
  max-width: 1080px;
  margin: 0 auto;
}

.fk-video__header {
  text-align: center;
  margin-bottom: 40px;
}

.fk-video__eyebrow {
  display: inline-block;
  padding: 6px 14px;
  margin-bottom: 16px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--fk-orange);
  background: rgba(230, 126, 34, 0.1);
  border: 1px solid rgba(230, 126, 34, 0.25);
  border-radius: 999px;
}

.fk-video__title {
  margin: 0 0 14px;
  font-size: clamp(28px, 6vw, 44px);
  font-weight: 900;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--fk-text-primary);
}

.fk-video__subtitle {
  margin: 0 auto;
  max-width: 620px;
  font-size: 16px;
  line-height: 1.6;
  color: var(--fk-text-secondary);
}

.fk-video__frame {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  border-radius: var(--fk-card-radius);
  overflow: hidden;
  background: var(--fk-card-bg);
  border: 1px solid rgba(230, 126, 34, 0.22);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  box-shadow:
    0 20px 60px rgba(0, 0, 0, 0.4),
    inset 0 1px 0 rgba(255, 255, 255, 0.04);
}

.fk-video__player {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  background: #0a0a0f;
}

.fk-video__placeholder {
  position: relative;
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 20px;
  padding: 24px;
  background:
    radial-gradient(
      ellipse at center,
      rgba(230, 126, 34, 0.06) 0%,
      transparent 55%
    ),
    linear-gradient(135deg, #0f172a 0%, #0a0a0f 100%);
  text-align: center;
}

.fk-video__glow {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 320px;
  height: 320px;
  transform: translate(-50%, -50%);
  background: radial-gradient(
    circle,
    rgba(230, 126, 34, 0.18) 0%,
    transparent 65%
  );
  filter: blur(30px);
  pointer-events: none;
  animation: fkVideoGlow 4s ease-in-out infinite;
}

@keyframes fkVideoGlow {
  0%,
  100% {
    opacity: 0.6;
  }
  50% {
    opacity: 1;
  }
}

.fk-video__play {
  position: relative;
  width: 88px;
  height: 88px;
  padding: 0;
  border: none;
  background: transparent;
  color: var(--fk-orange);
  cursor: not-allowed;
  z-index: 2;
}

.fk-video__play svg {
  width: 100%;
  height: 100%;
  filter: drop-shadow(0 8px 24px rgba(230, 126, 34, 0.5));
}

.fk-video__pulse {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 100%;
  height: 100%;
  transform: translate(-50%, -50%);
  border-radius: 50%;
  border: 2px solid var(--fk-orange);
  opacity: 0;
  animation: fkVideoPulse 2.4s ease-out infinite;
}

@keyframes fkVideoPulse {
  0% {
    transform: translate(-50%, -50%) scale(0.9);
    opacity: 0.7;
  }
  100% {
    transform: translate(-50%, -50%) scale(1.8);
    opacity: 0;
  }
}

.fk-video__caption {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}

.fk-video__tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  margin-bottom: 6px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--fk-warn);
  background: rgba(245, 158, 11, 0.12);
  border: 1px solid rgba(245, 158, 11, 0.3);
  border-radius: 999px;
}

.fk-video__dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--fk-warn);
  animation: fkVideoDot 1.6s ease-in-out infinite;
}

@keyframes fkVideoDot {
  0%,
  100% {
    opacity: 1;
  }
  50% {
    opacity: 0.3;
  }
}

.fk-video__caption-text {
  margin: 0;
  font-size: 15px;
  font-weight: 700;
  color: var(--fk-text-primary);
  letter-spacing: 0.3px;
}

.fk-video__caption-accent {
  color: var(--fk-orange);
}

.fk-video__caption-sub {
  margin: 0;
  font-size: 13px;
  color: var(--fk-text-tertiary);
  max-width: 380px;
}

.fk-video__badge {
  position: absolute;
  top: 12px;
  right: 12px;
  padding: 4px 10px;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.5px;
  color: var(--fk-text-tertiary);
  background: rgba(0, 0, 0, 0.4);
  border: 1px dashed rgba(148, 163, 184, 0.35);
  border-radius: 6px;
}

.fk-video__meta {
  list-style: none;
  padding: 0;
  margin: 32px 0 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

.fk-video__meta li {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  padding: 16px;
  background: var(--fk-card-bg);
  border: 1px solid var(--fk-card-border);
  border-radius: 14px;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.fk-video__meta strong {
  font-size: 20px;
  font-weight: 800;
  color: var(--fk-orange);
  letter-spacing: -0.01em;
}

.fk-video__meta span {
  font-size: 12px;
  color: var(--fk-text-secondary);
  letter-spacing: 0.3px;
}

/* ============ SPECS ============ */
.fk-specs {
  position: relative;
  padding: 64px 20px;
  background: transparent;
}

.fk-specs__container {
  max-width: 860px;
  margin: 0 auto;
}

.fk-specs__header {
  text-align: center;
  margin-bottom: 32px;
}

.fk-specs__eyebrow {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--fk-orange);
  margin-bottom: 12px;
}

.fk-specs__title {
  font-size: 32px;
  line-height: 1.15;
  font-weight: 900;
  color: var(--fk-text-primary);
  margin: 0 0 12px;
  letter-spacing: -0.02em;
}

.fk-specs__subtitle {
  font-size: 15px;
  line-height: 1.5;
  color: var(--fk-text-secondary);
  margin: 0 auto;
  max-width: 520px;
}

.fk-specs__table-wrap {
  background: var(--fk-card-bg);
  border: 1px solid var(--fk-card-border);
  border-radius: var(--fk-card-radius);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  overflow: hidden;
}

.fk-specs__table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
  color: var(--fk-text-primary);
}

.fk-specs__table tr {
  transition: background 0.2s var(--fk-ease);
}

.fk-specs__table tr:nth-child(even) {
  background: rgba(255, 255, 255, 0.02);
}

.fk-specs__table tr:hover {
  background: rgba(230, 126, 34, 0.05);
}

.fk-specs__table th,
.fk-specs__table td {
  padding: 16px 18px;
  text-align: left;
  vertical-align: middle;
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}

.fk-specs__table tr:last-child th,
.fk-specs__table tr:last-child td {
  border-bottom: none;
}

.fk-specs__table th {
  width: 42%;
  font-weight: 700;
  color: var(--fk-text-secondary);
  letter-spacing: 0.2px;
  font-size: 13px;
  text-transform: uppercase;
}

.fk-specs__table td {
  color: var(--fk-text-primary);
  font-weight: 500;
}

.fk-specs__note {
  margin-top: 20px;
  font-size: 12px;
  line-height: 1.5;
  color: var(--fk-text-tertiary);
  text-align: center;
  max-width: 640px;
  margin-left: auto;
  margin-right: auto;
}

/* ============ WAITLIST ============ */
.fk-waitlist-section {
  position: relative;
  padding: 64px 20px 80px;
  overflow: hidden;
}

.fk-waitlist-section::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 720px;
  height: 720px;
  max-width: 120%;
  background: radial-gradient(
    circle at center,
    rgba(230, 126, 34, 0.18) 0%,
    rgba(230, 126, 34, 0.06) 40%,
    transparent 70%
  );
  pointer-events: none;
  z-index: 0;
}

.fk-waitlist-container {
  position: relative;
  z-index: 1;
  max-width: 640px;
  margin: 0 auto;
}

.fk-waitlist-card {
  position: relative;
  padding: 48px 24px;
  background: var(--fk-card-bg);
  border: 1px solid rgba(230, 126, 34, 0.35);
  border-radius: 24px;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  box-shadow:
    0 20px 60px rgba(0, 0, 0, 0.4),
    0 0 0 1px rgba(230, 126, 34, 0.08) inset,
    0 0 80px rgba(230, 126, 34, 0.12);
  text-align: center;
}

.fk-waitlist-card::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 10%;
  right: 10%;
  height: 2px;
  background: linear-gradient(
    90deg,
    transparent,
    var(--fk-orange),
    transparent
  );
  border-radius: 2px;
  opacity: 0.7;
}

.fk-waitlist-icon {
  width: 88px;
  height: 88px;
  margin: 0 auto 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: linear-gradient(
    135deg,
    rgba(230, 126, 34, 0.2),
    rgba(243, 154, 68, 0.08)
  );
  border: 1px solid rgba(230, 126, 34, 0.3);
  color: var(--fk-orange);
  box-shadow: 0 8px 24px rgba(230, 126, 34, 0.25);
}

.fk-waitlist-icon svg {
  width: 44px;
  height: 44px;
}

.fk-waitlist-title {
  font-size: 28px;
  font-weight: 900;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--fk-text-primary);
  margin: 0 0 12px;
}

.fk-waitlist-subtitle {
  font-size: 15px;
  line-height: 1.55;
  color: var(--fk-text-secondary);
  margin: 0 auto 20px;
  max-width: 460px;
}

.fk-waitlist-highlight {
  display: block;
  margin-top: 8px;
  color: var(--fk-orange);
  font-weight: 700;
}

.fk-waitlist-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  margin: 0 0 28px;
  background: rgba(245, 158, 11, 0.1);
  border: 1px solid rgba(245, 158, 11, 0.25);
  border-radius: 999px;
  font-size: 13px;
  font-weight: 600;
  color: var(--fk-warn);
}

.fk-waitlist-pulse {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--fk-warn);
  box-shadow: 0 0 0 0 rgba(245, 158, 11, 0.6);
  animation: fk-pulse 2s var(--fk-ease) infinite;
}

@keyframes fk-pulse {
  0% {
    box-shadow: 0 0 0 0 rgba(245, 158, 11, 0.6);
  }
  70% {
    box-shadow: 0 0 0 10px rgba(245, 158, 11, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(245, 158, 11, 0);
  }
}

.fk-waitlist-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
  text-align: left;
}

.fk-field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.fk-field-label {
  font-size: 13px;
  font-weight: 700;
  color: var(--fk-text-secondary);
  letter-spacing: 0.02em;
}

.fk-field-optional {
  font-weight: 400;
  color: var(--fk-text-tertiary);
}

.fk-field-input {
  width: 100%;
  padding: 14px 16px;
  font-family: inherit;
  font-size: 16px;
  color: var(--fk-text-primary);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--fk-btn-radius);
  transition:
    border-color 0.2s var(--fk-ease),
    background 0.2s var(--fk-ease),
    box-shadow 0.2s var(--fk-ease);
  box-sizing: border-box;
}

.fk-field-input::placeholder {
  color: var(--fk-text-tertiary);
}

.fk-field-input:focus {
  outline: none;
  border-color: var(--fk-orange);
  background: rgba(255, 255, 255, 0.06);
  box-shadow: 0 0 0 3px rgba(230, 126, 34, 0.15);
}

.fk-field-input:invalid:not(:placeholder-shown) {
  border-color: rgba(231, 76, 60, 0.5);
}

.fk-field-consent {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 13px;
  line-height: 1.4;
  color: var(--fk-text-secondary);
  cursor: pointer;
  padding: 4px 0;
}

.fk-field-consent input[type="checkbox"] {
  flex-shrink: 0;
  width: 18px;
  height: 18px;
  margin: 1px 0 0;
  accent-color: var(--fk-orange);
  cursor: pointer;
}

.fk-waitlist-cta {
  position: relative;
  width: 100%;
  padding: 18px 24px;
  margin-top: 4px;
  font-family: inherit;
  font-size: 15px;
  font-weight: 800;
  letter-spacing: 0.5px;
  color: white;
  background: linear-gradient(135deg, #e67e22, #f39a44);
  border: none;
  border-radius: var(--fk-btn-radius);
  cursor: pointer;
  transition:
    transform 0.2s var(--fk-ease),
    box-shadow 0.2s var(--fk-ease),
    opacity 0.2s var(--fk-ease);
  box-shadow: 0 8px 24px rgba(230, 126, 34, 0.25);
}

.fk-waitlist-cta:hover:not(:disabled) {
  transform: scale(1.02);
  box-shadow: 0 12px 32px rgba(230, 126, 34, 0.35);
}

.fk-waitlist-cta:active:not(:disabled) {
  transform: scale(0.99);
}

.fk-waitlist-cta:disabled {
  opacity: 0.7;
  cursor: not-allowed;
}

.fk-waitlist-cta.is-loading .fk-cta-label {
  opacity: 0;
}

.fk-waitlist-cta.is-loading .fk-cta-spinner {
  opacity: 1;
}

.fk-cta-spinner {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 22px;
  height: 22px;
  margin: -11px 0 0 -11px;
  border: 2.5px solid rgba(255, 255, 255, 0.3);
  border-top-color: white;
  border-radius: 50%;
  opacity: 0;
  transition: opacity 0.2s var(--fk-ease);
  animation: fk-spin 0.7s linear infinite;
}

@keyframes fk-spin {
  to {
    transform: rotate(360deg);
  }
}

.fk-waitlist-micro {
  margin: 4px 0 0;
  font-size: 12px;
  color: var(--fk-text-tertiary);
  text-align: center;
}

.fk-waitlist-error {
  margin-top: 4px;
  padding: 12px 14px;
  font-size: 13px;
  color: #fecaca;
  background: rgba(231, 76, 60, 0.12);
  border: 1px solid rgba(231, 76, 60, 0.35);
  border-radius: 10px;
  text-align: center;
}

.fk-waitlist-success {
  animation: fk-fade-in 0.5s var(--fk-ease);
}

@keyframes fk-fade-in {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fk-success-check {
  width: 96px;
  height: 96px;
  margin: 0 auto 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: linear-gradient(
    135deg,
    rgba(39, 174, 96, 0.25),
    rgba(16, 185, 129, 0.1)
  );
  border: 1px solid rgba(39, 174, 96, 0.4);
  color: var(--fk-green-2);
  box-shadow: 0 8px 32px rgba(39, 174, 96, 0.3);
}

.fk-success-title {
  font-size: 26px;
  font-weight: 900;
  color: var(--fk-text-primary);
  margin: 0 0 12px;
  letter-spacing: -0.02em;
}

.fk-success-text {
  font-size: 15px;
  line-height: 1.55;
  color: var(--fk-text-secondary);
  margin: 0 auto 28px;
  max-width: 460px;
}

.fk-success-actions {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.fk-success-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 16px 20px;
  font-size: 15px;
  font-weight: 700;
  text-decoration: none;
  border-radius: var(--fk-btn-radius);
  transition:
    transform 0.2s var(--fk-ease),
    box-shadow 0.2s var(--fk-ease),
    background 0.2s var(--fk-ease);
}

.fk-success-btn--primary {
  color: white;
  background: linear-gradient(135deg, var(--fk-green), var(--fk-green-2));
  box-shadow: 0 6px 20px rgba(39, 174, 96, 0.28);
}

.fk-success-btn--primary:hover {
  transform: scale(1.02);
  box-shadow: 0 10px 28px rgba(39, 174, 96, 0.38);
}

.fk-success-btn--secondary {
  color: var(--fk-text-primary);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.12);
}

.fk-success-btn--secondary:hover {
  background: rgba(255, 255, 255, 0.08);
  transform: scale(1.02);
}

.fk-tag-free {
  padding: 3px 8px;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  background: rgba(255, 255, 255, 0.18);
  border-radius: 6px;
}

.fk-success-btn--secondary .fk-tag-free {
  background: rgba(39, 174, 96, 0.18);
  color: var(--fk-green-2);
}

/* ============ FAQ ============ */
.fk-faq {
  position: relative;
  padding: 72px 20px 88px;
  background:
    radial-gradient(
      1200px 500px at 50% 0%,
      rgba(230, 126, 34, 0.06),
      transparent 60%
    ),
    linear-gradient(180deg, #0a0a0f 0%, #0f172a 100%);
  color: var(--fk-text-primary);
  overflow: hidden;
}

.fk-faq__container {
  max-width: 820px;
  margin: 0 auto;
}

.fk-faq__header {
  text-align: center;
  margin-bottom: 40px;
}

.fk-faq__eyebrow {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--fk-orange);
  padding: 6px 14px;
  border: 1px solid rgba(230, 126, 34, 0.25);
  border-radius: 999px;
  background: rgba(230, 126, 34, 0.08);
  margin-bottom: 16px;
}

.fk-faq__title {
  font-size: clamp(28px, 6vw, 40px);
  font-weight: 900;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin: 0 0 12px;
  color: var(--fk-text-primary);
}

.fk-faq__subtitle {
  font-size: 15px;
  line-height: 1.6;
  color: var(--fk-text-secondary);
  margin: 0 auto;
  max-width: 520px;
}

.fk-faq__list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.fk-faq__item {
  background: var(--fk-card-bg);
  border: 1px solid var(--fk-card-border);
  border-radius: var(--fk-card-radius);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  overflow: hidden;
  transition:
    border-color 0.3s var(--fk-ease),
    background 0.3s var(--fk-ease);
}

.fk-faq__item:hover {
  border-color: rgba(230, 126, 34, 0.25);
  background: rgba(255, 255, 255, 0.045);
}

.fk-faq__item.is-open {
  border-color: rgba(230, 126, 34, 0.4);
  background: rgba(230, 126, 34, 0.05);
}

.fk-faq__question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 22px;
  background: transparent;
  border: none;
  color: var(--fk-text-primary);
  font-family: inherit;
  font-size: 16px;
  font-weight: 700;
  letter-spacing: -0.01em;
  text-align: left;
  cursor: pointer;
  transition: color 0.2s var(--fk-ease);
}

.fk-faq__question:focus-visible {
  outline: 2px solid var(--fk-orange);
  outline-offset: -2px;
  border-radius: var(--fk-card-radius);
}

.fk-faq__item.is-open .fk-faq__question {
  color: var(--fk-orange);
}

.fk-faq__q-text {
  flex: 1;
  line-height: 1.4;
}

.fk-faq__icon {
  flex-shrink: 0;
  width: 32px;
  height: 32px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.05);
  color: var(--fk-text-secondary);
  transition:
    transform 0.35s var(--fk-ease),
    background 0.25s var(--fk-ease),
    color 0.25s var(--fk-ease);
}

.fk-faq__icon svg {
  width: 16px;
  height: 16px;
}

.fk-faq__item.is-open .fk-faq__icon {
  transform: rotate(180deg);
  background: rgba(230, 126, 34, 0.15);
  color: var(--fk-orange);
}

.fk-faq__panel {
  overflow: hidden;
  height: 0;
  transition: height 0.35s var(--fk-ease);
}

.fk-faq__panel[hidden] {
  display: block;
  height: 0;
}

.fk-faq__answer {
  padding: 0 22px 22px;
  color: var(--fk-text-secondary);
  font-size: 15px;
  line-height: 1.65;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding-top: 18px;
  margin-top: 0;
}

.fk-faq__answer p {
  margin: 0;
}

.fk-faq__footer {
  margin-top: 40px;
  text-align: center;
  padding: 24px;
  border-radius: var(--fk-card-radius);
  background: rgba(255, 255, 255, 0.02);
  border: 1px dashed rgba(255, 255, 255, 0.08);
}

.fk-faq__footer-text {
  margin: 0 0 6px;
  color: var(--fk-text-secondary);
  font-size: 14px;
}

.fk-faq__footer-link {
  color: var(--fk-orange);
  font-weight: 700;
  font-size: 15px;
  text-decoration: none;
  border-bottom: 1px solid rgba(230, 126, 34, 0.4);
  padding-bottom: 2px;
  transition:
    color 0.2s var(--fk-ease),
    border-color 0.2s var(--fk-ease);
}

.fk-faq__footer-link:hover {
  color: var(--fk-orange-hover);
  border-color: var(--fk-orange-hover);
}

/* ============ CROSS-SELL ============ */
.fk-cross-sell {
  position: relative;
  padding: 72px 20px 88px;
  overflow: hidden;
}

.fk-cross-sell::before {
  content: "";
  position: absolute;
  top: 20%;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 400px;
  background: radial-gradient(
    ellipse at center,
    rgba(230, 126, 34, 0.08),
    transparent 70%
  );
  pointer-events: none;
  z-index: 0;
}

.fk-cross-sell__container {
  position: relative;
  z-index: 1;
  max-width: 1200px;
  margin: 0 auto;
}

.fk-cross-sell__header {
  text-align: center;
  margin-bottom: 48px;
}

.fk-cross-sell__eyebrow {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--fk-orange);
  margin-bottom: 12px;
}

.fk-cross-sell__title {
  font-size: 32px;
  font-weight: 900;
  letter-spacing: -0.02em;
  color: var(--fk-text-primary);
  margin: 0 0 12px;
  line-height: 1.15;
}

.fk-cross-sell__subtitle {
  font-size: 15px;
  line-height: 1.6;
  color: var(--fk-text-secondary);
  max-width: 520px;
  margin: 0 auto;
}

.fk-cross-sell__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

.fk-cross-sell__card {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: 28px 24px;
  background: var(--fk-card-bg);
  border: 1px solid var(--fk-card-border);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-radius: var(--fk-card-radius);
  transition:
    transform 0.4s var(--fk-ease),
    border-color 0.4s var(--fk-ease),
    box-shadow 0.4s var(--fk-ease),
    background 0.4s var(--fk-ease);
  overflow: hidden;
}

.fk-cross-sell__card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(230, 126, 34, 0.08),
    transparent 60%
  );
  opacity: 0;
  transition: opacity 0.4s var(--fk-ease);
  pointer-events: none;
}

.fk-cross-sell__card:hover {
  transform: translateY(-6px);
  border-color: rgba(230, 126, 34, 0.35);
  box-shadow:
    0 20px 40px rgba(0, 0, 0, 0.4),
    0 0 0 1px rgba(230, 126, 34, 0.1);
  background: rgba(255, 255, 255, 0.045);
}

.fk-cross-sell__card:hover::before {
  opacity: 1;
}

.fk-cross-sell__icon-wrap {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  border-radius: 14px;
  background: linear-gradient(
    135deg,
    rgba(230, 126, 34, 0.18),
    rgba(230, 126, 34, 0.06)
  );
  border: 1px solid rgba(230, 126, 34, 0.25);
  margin-bottom: 20px;
  transition: transform 0.4s var(--fk-ease);
}

.fk-cross-sell__card:hover .fk-cross-sell__icon-wrap {
  transform: scale(1.05) rotate(-3deg);
}

.fk-cross-sell__icon {
  width: 26px;
  height: 26px;
  color: var(--fk-orange);
}

.fk-cross-sell__body {
  flex: 1;
  display: flex;
  flex-direction: column;
  margin-bottom: 24px;
}

.fk-cross-sell__badge {
  display: inline-flex;
  align-items: center;
  align-self: flex-start;
  padding: 4px 10px;
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 1px;
  text-transform: uppercase;
  border-radius: 6px;
  margin-bottom: 12px;
}

.fk-cross-sell__badge--free {
  background: rgba(39, 174, 96, 0.15);
  color: var(--fk-green-2);
  border: 1px solid rgba(39, 174, 96, 0.3);
}

.fk-cross-sell__badge--paid {
  background: rgba(230, 126, 34, 0.15);
  color: var(--fk-orange);
  border: 1px solid rgba(230, 126, 34, 0.3);
}

.fk-cross-sell__badge--ai {
  background: rgba(139, 92, 246, 0.15);
  color: #a78bfa;
  border: 1px solid rgba(139, 92, 246, 0.3);
}

.fk-cross-sell__card-title {
  font-size: 20px;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--fk-text-primary);
  margin: 0 0 8px;
  line-height: 1.25;
}

.fk-cross-sell__card-subtitle {
  font-size: 14px;
  line-height: 1.55;
  color: var(--fk-text-secondary);
  margin: 0 0 20px;
  flex: 1;
}

.fk-cross-sell__price {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding-top: 16px;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.fk-cross-sell__price-amount {
  font-size: 22px;
  font-weight: 900;
  color: var(--fk-text-primary);
  letter-spacing: -0.01em;
}

.fk-cross-sell__price-currency {
  font-size: 13px;
  font-weight: 700;
  color: var(--fk-text-secondary);
}

.fk-cross-sell__price-note {
  font-size: 12px;
  font-weight: 500;
  color: var(--fk-text-tertiary);
}

.fk-cross-sell__btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  padding: 14px 20px;
  background: rgba(255, 255, 255, 0.04);
  color: var(--fk-text-primary);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--fk-btn-radius);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.3px;
  text-decoration: none;
  cursor: pointer;
  transition:
    background 0.3s var(--fk-ease),
    border-color 0.3s var(--fk-ease),
    color 0.3s var(--fk-ease),
    transform 0.2s var(--fk-ease);
}

.fk-cross-sell__btn svg {
  transition: transform 0.3s var(--fk-ease);
}

.fk-cross-sell__card:hover .fk-cross-sell__btn {
  background: linear-gradient(135deg, var(--fk-orange), var(--fk-orange-hover));
  border-color: transparent;
  color: #fff;
}

.fk-cross-sell__card:hover .fk-cross-sell__btn svg {
  transform: translateX(4px);
}

.fk-cross-sell__btn:hover {
  transform: scale(1.02);
}

.fk-cross-sell__card.reveal {
  transition-delay: 0s;
}

.fk-cross-sell__card.reveal:nth-child(2) {
  transition-delay: 0.1s;
}

.fk-cross-sell__card.reveal:nth-child(3) {
  transition-delay: 0.2s;
}

/* ============ FOOTER ============ */
.fk-footer {
  position: relative;
  margin-top: 80px;
  padding: 64px 20px 40px;
  background: linear-gradient(
    180deg,
    rgba(10, 10, 15, 0) 0%,
    rgba(10, 10, 15, 0.6) 40%,
    rgba(15, 23, 42, 0.8) 100%
  );
  border-top: 1px solid var(--fk-card-border);
  color: var(--fk-text-secondary);
}

.fk-footer-container {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 40px;
}

.fk-footer-top {
  display: flex;
  flex-direction: column;
  gap: 32px;
  padding-bottom: 32px;
  border-bottom: 1px solid var(--fk-card-border);
}

.fk-footer-brand {
  display: flex;
  flex-direction: column;
  gap: 12px;
  max-width: 420px;
}

.fk-footer-logo {
  display: inline-flex;
  align-items: baseline;
  text-decoration: none;
  font-weight: 900;
  font-size: 22px;
  letter-spacing: -0.5px;
  line-height: 1;
}

.fk-footer-logo-frame {
  color: var(--fk-orange);
}

.fk-footer-logo-kit {
  color: var(--fk-text-primary);
}

.fk-footer-tagline {
  margin: 0;
  font-size: 14px;
  line-height: 1.55;
  color: var(--fk-text-secondary);
}

.fk-footer-social {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.fk-footer-social-label {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 1.2px;
  text-transform: uppercase;
  color: var(--fk-text-tertiary);
}

.fk-footer-social-links {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.fk-footer-social-link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  background: var(--fk-card-bg);
  border: 1px solid var(--fk-card-border);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-radius: var(--fk-btn-radius);
  color: var(--fk-text-primary);
  text-decoration: none;
  font-size: 14px;
  font-weight: 600;
  transition:
    transform 0.2s var(--fk-ease),
    border-color 0.2s var(--fk-ease),
    background 0.2s var(--fk-ease),
    color 0.2s var(--fk-ease);
  width: fit-content;
}

.fk-footer-social-link:hover,
.fk-footer-social-link:focus-visible {
  transform: translateY(-2px);
  border-color: rgba(230, 126, 34, 0.4);
  background: rgba(230, 126, 34, 0.08);
  color: var(--fk-orange);
  outline: none;
}

.fk-footer-social-link svg {
  flex-shrink: 0;
  color: var(--fk-orange);
}

.fk-footer-links {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  justify-content: center;
}

.fk-footer-link {
  color: var(--fk-text-secondary);
  text-decoration: none;
  font-size: 14px;
  font-weight: 600;
  transition: color 0.2s var(--fk-ease);
  padding: 4px 2px;
}

.fk-footer-link:hover,
.fk-footer-link:focus-visible {
  color: var(--fk-orange);
  outline: none;
}

.fk-footer-sep {
  color: var(--fk-text-tertiary);
  font-size: 14px;
  user-select: none;
}

.fk-footer-disclaimer {
  padding: 20px;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--fk-card-border);
  border-radius: 12px;
}

.fk-footer-disclaimer p {
  margin: 0;
  font-size: 12px;
  line-height: 1.65;
  color: #64748b;
  text-align: center;
}

.fk-footer-bottom {
  display: flex;
  flex-direction: column;
  gap: 8px;
  align-items: center;
  text-align: center;
  padding-top: 8px;
}

.fk-footer-copyright,
.fk-footer-madein {
  margin: 0;
  font-size: 12px;
  color: var(--fk-text-tertiary);
  letter-spacing: 0.3px;
}

.fk-footer-madein span {
  margin: 0 4px;
  color: var(--fk-orange);
}

/* ============ STICKY CTA ============ */
.fk-sticky-cta {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 90;
  padding: 10px 16px calc(10px + env(safe-area-inset-bottom, 0px));
  background: rgba(10, 10, 15, 0.85);
  backdrop-filter: blur(14px) saturate(140%);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  border-top: 1px solid var(--fk-card-border);
  transform: translateY(120%);
  opacity: 0;
  visibility: hidden;
  transition:
    transform 0.4s var(--fk-ease),
    opacity 0.3s var(--fk-ease),
    visibility 0s linear 0.4s;
  pointer-events: none;
}

.fk-sticky-cta.is-visible {
  transform: translateY(0);
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transition:
    transform 0.4s var(--fk-ease),
    opacity 0.3s var(--fk-ease),
    visibility 0s linear 0s;
}

.fk-sticky-cta__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  max-width: 720px;
  margin: 0 auto;
}

.fk-sticky-cta__info {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
  flex: 1;
}

.fk-sticky-cta__name {
  font-size: 14px;
  font-weight: 800;
  color: var(--fk-text-primary);
  letter-spacing: 0.2px;
  line-height: 1.1;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.fk-sticky-cta__price {
  display: flex;
  align-items: baseline;
  gap: 6px;
  line-height: 1.1;
}

.fk-sticky-cta__price-now {
  font-size: 15px;
  font-weight: 800;
  color: var(--fk-orange);
  letter-spacing: 0.2px;
}

.fk-sticky-cta__price-old {
  font-size: 12px;
  font-weight: 600;
  color: var(--fk-text-tertiary);
  text-decoration: line-through;
}

.fk-sticky-cta__btn {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 20px;
  background: linear-gradient(135deg, #e67e22, #f39a44);
  color: #ffffff;
  font-size: 14px;
  font-weight: 800;
  letter-spacing: 0.5px;
  text-decoration: none;
  border-radius: var(--fk-btn-radius);
  box-shadow: 0 8px 20px rgba(230, 126, 34, 0.28);
  transition:
    transform 0.2s var(--fk-ease),
    box-shadow 0.2s var(--fk-ease);
  white-space: nowrap;
}

.fk-sticky-cta__btn:active {
  transform: scale(0.97);
}

.fk-sticky-cta__btn:hover {
  transform: scale(1.02);
  box-shadow: 0 12px 28px rgba(230, 126, 34, 0.38);
}

/* ============ TABLET >= 640px ============ */
@media (min-width: 640px) {
  .fk-announcement__inner {
    min-height: 44px;
    padding: 10px 56px 10px 24px;
  }

  .fk-announcement__text {
    font-size: 14px;
  }
}

/* ============ DESKTOP >= 900px ============ */
@media (min-width: 900px) {
  /* Announcement */
  .fk-announcement__text strong {
    font-size: 13px;
  }

  .fk-announcement__close {
    right: 16px;
    width: 30px;
    height: 30px;
  }

  /* Nav */
  .fk-nav__inner {
    padding: 18px 32px;
    position: relative;
  }

  .fk-nav__logo {
    font-size: 24px;
  }

  .fk-nav__links {
    display: flex;
    align-items: center;
    gap: 28px;
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
  }

  .fk-nav__cta {
    display: inline-flex;
    align-items: center;
  }

  .fk-nav__burger {
    display: none;
  }

  /* Hero */
  .fk-hero {
    padding: 120px 40px 96px;
    min-height: calc(100vh - 72px);
    display: flex;
    align-items: center;
  }

  .fk-hero__inner {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    gap: 60px;
  }

  .fk-hero__content {
    flex: 0 0 55%;
    max-width: none;
    gap: 24px;
  }

  .fk-hero__visual {
    flex: 0 0 45%;
    max-width: none;
  }

  .fk-hero__cta {
    align-self: flex-start;
    padding: 20px 36px;
    font-size: 16px;
  }

  .fk-hero__micro {
    text-align: left;
  }

  .fk-hero__product {
    max-width: 100%;
  }

  .fk-hero::before {
    width: 900px;
    height: 900px;
  }

  /* Social proof */
  .fk-social-proof {
    padding: 28px 0;
  }

  .fk-social-proof::before,
  .fk-social-proof::after {
    display: none;
  }

  .fk-social-proof__list {
    justify-content: center;
    overflow-x: visible;
    gap: 32px;
  }

  .fk-social-proof__item {
    gap: 14px;
  }

  .fk-social-proof__icon {
    width: 44px;
    height: 44px;
    border-radius: 12px;
  }

  .fk-social-proof__value {
    font-size: 17px;
  }

  .fk-social-proof__label {
    font-size: 13px;
  }

  .fk-social-proof__divider {
    display: block;
  }

  /* Problema */
  .fk-problema {
    padding: 112px 32px 128px;
  }

  .fk-problema__stats {
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    margin: 0 0 44px;
  }

  .fk-problema__stat {
    padding: 22px 20px;
  }

  .fk-problema__thermal {
    margin: 56px 0 0;
  }

  /* Antes/Despues */
  .fk-antes-despues {
    padding: 112px 32px;
  }

  .fk-ad-header {
    margin-bottom: 64px;
  }

  .fk-ad-title {
    font-size: 44px;
  }

  .fk-ad-subtitle {
    font-size: 18px;
  }

  .fk-ad-grid {
    grid-template-columns: 1fr 1fr;
    gap: 24px;
  }

  .fk-ad-card {
    padding: 40px 36px;
  }

  .fk-ad-badge {
    font-size: 12px;
    padding: 9px 16px;
  }

  .fk-ad-number {
    font-size: 88px;
  }

  .fk-ad-unit {
    font-size: 24px;
  }

  .fk-ad-caption {
    font-size: 15px;
    margin-bottom: 28px;
  }

  .fk-ad-list {
    gap: 16px;
  }

  .fk-ad-item-body strong {
    font-size: 16px;
  }

  .fk-ad-item-body span {
    font-size: 14px;
  }

  .fk-ad-disclaimer {
    margin-top: 40px;
    font-size: 13px;
  }

  /* Features */
  .fk-features {
    padding: 120px 40px;
  }

  .fk-features__header {
    margin-bottom: 72px;
  }

  .fk-features__subtitle {
    font-size: 18px;
  }

  .fk-features__grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
  }

  .fk-feature-card {
    padding: 36px 32px;
  }

  .fk-feature-card__icon {
    width: 56px;
    height: 56px;
    margin-bottom: 24px;
  }

  .fk-feature-card__icon svg {
    width: 28px;
    height: 28px;
  }

  .fk-feature-card__title {
    font-size: 18px;
    margin-bottom: 12px;
  }

  .fk-feature-card__body {
    font-size: 15px;
  }

  /* Como funciona */
  .fk-how {
    padding: 112px 32px 128px;
  }

  .fk-how__header {
    margin-bottom: 80px;
  }

  .fk-how__lead {
    font-size: 1.125rem;
  }

  .fk-how__timeline {
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
  }

  .fk-how__timeline::before {
    left: 12%;
    right: 12%;
    top: 52px;
    bottom: auto;
    width: auto;
    height: 2px;
    background: linear-gradient(
      90deg,
      rgba(230, 126, 34, 0) 0%,
      rgba(230, 126, 34, 0.5) 15%,
      rgba(230, 126, 34, 0.5) 85%,
      rgba(230, 126, 34, 0) 100%
    );
  }

  .fk-how__step {
    grid-template-columns: 1fr;
    grid-template-rows: auto auto auto auto;
    grid-template-areas:
      "badge"
      "icon"
      "title"
      "desc";
    padding: 104px 28px 36px;
    text-align: center;
    gap: 16px;
  }

  .fk-how__badge {
    position: absolute;
    left: 50%;
    top: -30px;
    transform: translateX(-50%);
    width: 60px;
    height: 60px;
  }

  .fk-how__num {
    font-size: 1.5rem;
  }

  .fk-how__icon {
    margin: 24px auto 0;
    justify-content: center;
    width: 42px;
    height: 42px;
  }

  .fk-how__step-title {
    font-size: 1.5rem;
    margin-top: 4px;
  }

  .fk-how__step-desc {
    font-size: 1rem;
    max-width: 260px;
    margin: 0 auto;
  }

  /* Video */
  .fk-video {
    padding: 120px 40px;
  }

  .fk-video__header {
    margin-bottom: 56px;
  }

  .fk-video__play {
    width: 112px;
    height: 112px;
  }

  .fk-video__caption-text {
    font-size: 17px;
  }

  .fk-video__caption-sub {
    font-size: 14px;
  }

  .fk-video__badge {
    top: 16px;
    right: 16px;
    font-size: 11px;
    padding: 5px 12px;
  }

  .fk-video__meta {
    margin-top: 40px;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
  }

  .fk-video__meta li {
    padding: 20px;
    flex-direction: row;
    justify-content: center;
    gap: 12px;
  }

  .fk-video__meta strong {
    font-size: 22px;
  }

  /* Specs */
  .fk-specs {
    padding: 96px 32px;
  }

  .fk-specs__header {
    margin-bottom: 48px;
  }

  .fk-specs__title {
    font-size: 44px;
  }

  .fk-specs__subtitle {
    font-size: 17px;
  }

  .fk-specs__table {
    font-size: 15px;
  }

  .fk-specs__table th,
  .fk-specs__table td {
    padding: 20px 28px;
  }

  .fk-specs__table th {
    font-size: 13px;
    width: 38%;
  }

  .fk-specs__note {
    margin-top: 28px;
    font-size: 13px;
  }

  /* Waitlist */
  .fk-waitlist-section {
    padding: 96px 24px 112px;
  }

  .fk-waitlist-card {
    padding: 56px 48px;
  }

  .fk-waitlist-title {
    font-size: 36px;
  }

  .fk-waitlist-subtitle {
    font-size: 16px;
  }

  .fk-waitlist-icon {
    width: 96px;
    height: 96px;
  }

  .fk-waitlist-icon svg {
    width: 48px;
    height: 48px;
  }

  .fk-success-actions {
    flex-direction: row;
  }

  .fk-success-btn {
    flex: 1;
  }

  .fk-success-title {
    font-size: 30px;
  }

  /* FAQ */
  .fk-faq {
    padding: 112px 32px 128px;
  }

  .fk-faq__header {
    margin-bottom: 56px;
  }

  .fk-faq__subtitle {
    font-size: 17px;
  }

  .fk-faq__list {
    gap: 14px;
  }

  .fk-faq__question {
    padding: 24px 28px;
    font-size: 18px;
  }

  .fk-faq__answer {
    padding: 20px 28px 26px;
    font-size: 16px;
  }

  .fk-faq__icon {
    width: 36px;
    height: 36px;
  }

  .fk-faq__icon svg {
    width: 18px;
    height: 18px;
  }

  .fk-faq__footer {
    margin-top: 56px;
    padding: 28px;
  }

  /* Cross-sell */
  .fk-cross-sell {
    padding: 120px 32px 140px;
  }

  .fk-cross-sell__header {
    margin-bottom: 64px;
  }

  .fk-cross-sell__title {
    font-size: 48px;
  }

  .fk-cross-sell__subtitle {
    font-size: 17px;
  }

  .fk-cross-sell__grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
  }

  .fk-cross-sell__card {
    padding: 32px 28px;
  }

  .fk-cross-sell__icon-wrap {
    width: 60px;
    height: 60px;
  }

  .fk-cross-sell__icon {
    width: 28px;
    height: 28px;
  }

  .fk-cross-sell__card-title {
    font-size: 22px;
  }

  .fk-cross-sell__card-subtitle {
    font-size: 14.5px;
  }

  .fk-cross-sell__price-amount {
    font-size: 24px;
  }

  /* Footer */
  .fk-footer {
    padding: 80px 40px 48px;
    margin-top: 120px;
  }

  .fk-footer-top {
    flex-direction: row;
    justify-content: space-between;
    align-items: flex-start;
    gap: 48px;
    padding-bottom: 40px;
  }

  .fk-footer-brand {
    max-width: 480px;
  }

  .fk-footer-tagline {
    font-size: 15px;
  }

  .fk-footer-logo {
    font-size: 26px;
  }

  .fk-footer-social {
    align-items: flex-end;
  }

  .fk-footer-social-links {
    flex-direction: row;
    gap: 12px;
  }

  .fk-footer-links {
    justify-content: center;
    gap: 16px;
  }

  .fk-footer-link {
    font-size: 15px;
  }

  .fk-footer-disclaimer {
    padding: 24px 32px;
  }

  .fk-footer-disclaimer p {
    font-size: 13px;
    max-width: 900px;
    margin: 0 auto;
  }

  .fk-footer-bottom {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
    text-align: left;
    padding-top: 12px;
  }

  .fk-footer-copyright,
  .fk-footer-madein {
    font-size: 13px;
  }

  /* Sticky CTA hidden on desktop */
  .fk-sticky-cta {
    display: none !important;
  }
}

/* ============ REDUCED MOTION ============ */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }

  .fk-hero__cta:hover,
  .fk-waitlist-cta:hover:not(:disabled),
  .fk-success-btn:hover,
  .fk-feature-card:hover,
  .fk-problema__stat:hover,
  .fk-ad-card:hover,
  .fk-how__step:hover,
  .fk-cross-sell__card:hover {
    transform: none;
  }

  .fk-sticky-cta {
    transform: none;
  }

  .fk-sticky-cta.is-visible {
    transform: none;
  }
}

/* ============================================
   PRODUCT IMAGES (media/producto)
   ============================================ */
.fk-hero__product-img {
  width: 100%;
  height: auto;
  max-width: 480px;
  border-radius: 24px;
  object-fit: cover;
  filter: drop-shadow(0 30px 60px rgba(230, 126, 34, 0.25));
  position: relative;
  z-index: 1;
}

.fk-feature__img {
  width: 100%;
  height: auto;
  max-width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  border-radius: 12px;
  margin-bottom: 16px;
  border: 1px solid var(--fk-card-border);
}

.fk-how__step-img {
  width: 100%;
  max-width: 200px;
  margin: 12px auto 0;
  border-radius: 12px;
  display: block;
  opacity: 0.9;
}

.fk-specs__diagram {
  display: block;
  width: 100%;
  max-width: 360px;
  margin: 0 auto 32px;
  border-radius: 16px;
}

@media (min-width: 900px) {
  .fk-hero__product-img {
    max-width: 100%;
  }
}