/* Drip Landing Page Styles - New Design */

:root {
  --color-black: #000000;
  --color-white: #FFFFFF;
  --color-gold: #FFE600;
  --color-gold-dark: #E6CF00;
  --color-gray-50: #FAFAFA;
  --color-gray-100: #F5F5F5;
  --color-gray-200: #E5E5E5;
  --color-gray-300: #D4D4D4;
  --color-gray-400: #A3A3A3;
  --color-gray-600: #525252;
  --color-gray-800: #262626;
  --color-gray-900: #171717;

  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);

  --header-height: 64px;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family);
  background: var(--color-black);
  color: var(--color-white);
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
}

/* Background gradient */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background:
    radial-gradient(ellipse at 30% 10%, rgba(255, 230, 0, 0.12) 0%, transparent 50%),
    radial-gradient(ellipse at 70% 90%, rgba(255, 230, 0, 0.08) 0%, transparent 50%),
    var(--color-black);
  z-index: -1;
}

/* ======================= */
/* Sticky Header           */
/* ======================= */

.sticky-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  background: rgba(0, 0, 0, 0.9);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  z-index: 1000;
  transform: translateY(-100%);
  opacity: 0;
  transition: transform 0.3s ease, opacity 0.3s ease;
}

.sticky-header.visible {
  transform: translateY(0);
  opacity: 1;
}

.header-content {
  max-width: 1200px;
  height: 100%;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.header-cta {
  padding: 12px 24px;
  min-height: 44px;
  display: flex;
  align-items: center;
  background: linear-gradient(135deg, var(--color-gold) 0%, #FFA500 100%);
  color: var(--color-black);
  font-weight: 600;
  font-size: 0.875rem;
  border-radius: 24px;
  text-decoration: none;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.header-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(255, 230, 0, 0.3);
}

/* ======================= */
/* Container               */
/* ======================= */

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 32px 24px;
  padding-top: calc(32px + var(--header-height));
}

/* ======================= */
/* Logo                    */
/* ======================= */

.logo {
  display: flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
  color: inherit;
}

.logo-icon {
  font-size: 1.5rem;
}

.logo-text {
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--color-white);
}

/* ======================= */
/* Hero Section            */
/* ======================= */

.hero {
  text-align: center;
  padding: 48px 0 32px;
}

.hero-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 32px;
}

.headline {
  font-size: clamp(2.25rem, 6vw, 3.5rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.03em;
  max-width: 700px;
}

.headline .highlight {
  display: block;
  background: linear-gradient(135deg, var(--color-gold) 0%, #FFA500 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-top: 8px;
}

.tagline {
  font-size: 1.25rem;
  color: var(--color-gray-400);
  font-weight: 500;
  max-width: 500px;
}

.hero-image {
  width: 100%;
  max-width: 800px;
  margin: 16px 0;
}

/* Mobile: Limit hero image height to keep CTA above the fold */
@media (max-width: 640px) {
  .hero-image {
    max-height: 180px;
    overflow: hidden;
    border-radius: 12px;
  }

  .hero-image .feature-graphic {
    object-fit: cover;
    object-position: center top;
  }
}

.feature-graphic {
  width: 100%;
  height: auto;
  border-radius: 16px;
  box-shadow: 0 20px 60px rgba(255, 230, 0, 0.15);
}

.hero-cta {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}

/* ======================= */
/* Buttons                 */
/* ======================= */

.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 16px 32px;
  background: linear-gradient(135deg, var(--color-gold) 0%, #FFA500 100%);
  color: var(--color-black);
  font-size: 1.125rem;
  font-weight: 700;
  font-family: inherit;
  border: none;
  border-radius: 50px;
  text-decoration: none;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 32px rgba(255, 230, 0, 0.4);
}

.btn-primary:active {
  transform: translateY(-1px);
}

.btn-primary.btn-large {
  padding: 20px 40px;
  font-size: 1.25rem;
}

.btn-primary.pulse {
  animation: pulse-glow 2s ease-in-out infinite;
}

@keyframes pulse-glow {
  0%, 100% {
    box-shadow: 0 4px 20px rgba(255, 230, 0, 0.3);
  }
  50% {
    box-shadow: 0 8px 32px rgba(255, 230, 0, 0.5);
  }
}

.btn-secondary {
  padding: 14px 24px;
  min-height: 48px;
  background: rgba(255, 255, 255, 0.1);
  color: var(--color-white);
  font-weight: 600;
  font-size: 0.9375rem;
  font-family: inherit;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 12px;
  cursor: pointer;
  transition: all 0.2s ease;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.15);
  border-color: rgba(255, 255, 255, 0.3);
}

.play-icon {
  flex-shrink: 0;
}

.cta-note {
  font-size: 0.875rem;
  color: var(--color-gray-600);
}

/* ======================= */
/* Social Proof Bar        */
/* ======================= */

.social-proof {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 24px;
  padding: 24px 32px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 16px;
  margin-bottom: 64px;
  flex-wrap: wrap;
}

.proof-item {
  display: flex;
  align-items: center;
  gap: 8px;
}

.proof-icon {
  font-size: 1.25rem;
}

.proof-text {
  font-size: 0.9375rem;
  color: var(--color-gray-200);
}

.proof-text strong {
  color: var(--color-white);
}

.proof-divider {
  width: 1px;
  height: 24px;
  background: rgba(255, 255, 255, 0.2);
}

/* ======================= */
/* Section Titles          */
/* ======================= */

.section-title {
  font-size: clamp(1.75rem, 4vw, 2.25rem);
  font-weight: 700;
  text-align: center;
  margin-bottom: 48px;
  letter-spacing: -0.02em;
}

/* ======================= */
/* How It Works            */
/* ======================= */

.how-it-works {
  margin-bottom: 80px;
}

.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.step {
  text-align: center;
  position: relative;
}

.step-number {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--color-gold) 0%, #FFA500 100%);
  color: var(--color-black);
  font-weight: 800;
  font-size: 1.125rem;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 24px;
}

.step-image {
  margin-bottom: 24px;
}

.step-image img {
  width: 100%;
  max-width: 220px;
  height: auto;
  border-radius: 24px;
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.4);
}

.step-title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.step-desc {
  font-size: 0.9375rem;
  color: var(--color-gray-400);
  line-height: 1.6;
  max-width: 280px;
  margin: 0 auto;
}

/* ======================= */
/* Features Grid           */
/* ======================= */

.features {
  margin-bottom: 80px;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
}

.feature-card {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 24px;
  padding: 32px;
  transition: all 0.3s ease;
}

.feature-card:hover {
  background: rgba(255, 255, 255, 0.05);
  border-color: rgba(255, 230, 0, 0.2);
  transform: translateY(-4px);
}

.feature-icon {
  font-size: 2.5rem;
  margin-bottom: 16px;
}

.feature-card h3 {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.feature-card p {
  font-size: 0.9375rem;
  color: var(--color-gray-400);
  line-height: 1.6;
}

/* ======================= */
/* Style DNA Section       */
/* ======================= */

.style-dna {
  margin-bottom: 80px;
  background: linear-gradient(135deg, rgba(255, 230, 0, 0.05) 0%, rgba(255, 165, 0, 0.05) 100%);
  border: 1px solid rgba(255, 230, 0, 0.15);
  border-radius: 32px;
  padding: 48px;
  overflow: hidden;
}

.dna-content {
  display: flex;
  align-items: center;
  gap: 48px;
}

.dna-text {
  flex: 1;
}

.dna-text h2 {
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 700;
  margin-bottom: 16px;
  letter-spacing: -0.02em;
}

.dna-text > p {
  font-size: 1rem;
  color: var(--color-gray-300);
  line-height: 1.7;
  margin-bottom: 24px;
}

.dna-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.dna-features li {
  font-size: 1rem;
  color: var(--color-gray-200);
}

.dna-image img {
  width: 220px;
  height: auto;
  border-radius: 24px;
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.4);
}

/* ======================= */
/* Testimonials            */
/* ======================= */

.testimonials {
  margin-bottom: 80px;
}

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

.testimonial {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 24px;
  padding: 28px;
  transition: all 0.3s ease;
}

.testimonial:hover {
  background: rgba(255, 255, 255, 0.05);
}

.testimonial-stars {
  font-size: 0.875rem;
  letter-spacing: 2px;
  margin-bottom: 16px;
}

.testimonial-text {
  font-size: 0.9375rem;
  line-height: 1.7;
  color: var(--color-gray-200);
  margin-bottom: 20px;
  font-style: italic;
}

.testimonial-author {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.author-name {
  font-weight: 600;
  color: var(--color-white);
  font-size: 0.9375rem;
}

.author-location {
  font-size: 0.8125rem;
  color: var(--color-gray-600);
}

/* ======================= */
/* Final CTA Section       */
/* ======================= */

.final-cta {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 32px;
  padding: 48px;
  margin-bottom: 48px;
  text-align: center;
}

.final-cta .cta-content {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 24px;
  margin-bottom: 32px;
  flex-wrap: wrap;
}

.cta-zoe {
  width: 120px;
  height: auto;
  filter: drop-shadow(0 8px 24px rgba(255, 230, 0, 0.2));
}

.cta-text h2 {
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 700;
  margin-bottom: 8px;
  letter-spacing: -0.02em;
}

.cta-text p {
  font-size: 1.0625rem;
  color: var(--color-gray-400);
}

.cta-buttons {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 32px;
}

/* iOS Waitlist */
.ios-waitlist {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 20px;
  padding: 28px 32px;
  max-width: 400px;
  width: 100%;
}

.ios-badge {
  font-size: 0.875rem;
  color: var(--color-gray-400);
  margin-bottom: 16px;
}

.ios-form {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 12px;
}

.ios-form .form-row {
  display: flex;
  gap: 10px;
}

.ios-form .form-row input {
  flex: 1;
}

/* Turnstile widget styling */
.ios-form .cf-turnstile {
  margin: 4px 0;
}

.ios-form .cf-turnstile iframe {
  border-radius: 8px;
}

.ios-form input {
  flex: 1;
  padding: 14px 18px;
  min-height: 48px;
  border: 2px solid var(--color-gray-800);
  border-radius: 12px;
  background: var(--color-gray-900);
  color: var(--color-white);
  font-size: 0.9375rem;
  font-family: inherit;
  outline: none;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.ios-form input:focus {
  border-color: var(--color-gold);
  box-shadow: 0 0 0 3px rgba(255, 230, 0, 0.15);
}

.ios-form input::placeholder {
  color: var(--color-gray-600);
}

.ios-form input:focus {
  border-color: var(--color-gold);
}

.form-note {
  font-size: 0.75rem;
  color: var(--color-gray-600);
}

/* Success & Error Messages */
.success-message,
.error-message {
  padding: 20px 24px;
  border-radius: 16px;
  margin-top: 20px;
  text-align: center;
  animation: fadeInUp 0.3s ease;
}

.success-message {
  background: rgba(34, 197, 94, 0.1);
  border: 1px solid rgba(34, 197, 94, 0.2);
}

.success-icon {
  font-size: 2rem;
  display: block;
  margin-bottom: 8px;
}

.success-message p {
  color: var(--color-gray-200);
  font-size: 0.9375rem;
}

.error-message {
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid rgba(239, 68, 68, 0.2);
  color: #FCA5A5;
}

/* Loading Spinner */
.spinner {
  animation: spin 1s linear infinite;
}

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

.btn-loading {
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ======================= */
/* Trust Badges            */
/* ======================= */

.trust-badges {
  display: flex;
  justify-content: center;
  gap: 32px;
  flex-wrap: wrap;
  margin-bottom: 48px;
  padding: 24px 0;
}

.badge-item {
  display: flex;
  align-items: center;
  gap: 10px;
}

.badge-icon {
  font-size: 1.25rem;
}

.badge-text {
  font-size: 0.875rem;
  color: var(--color-gray-400);
}

/* ======================= */
/* Footer                  */
/* ======================= */

.footer {
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  padding: 48px 24px;
}

.footer-content {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
  text-align: center;
}

.footer-brand {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}

.footer-logo {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--color-white);
}

.footer-tagline {
  font-size: 0.875rem;
  color: var(--color-gray-600);
}

.footer-links {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
  justify-content: center;
}

.footer-links a {
  font-size: 0.875rem;
  color: var(--color-gray-400);
  text-decoration: none;
  transition: color 0.2s ease;
}

.footer-links a:hover {
  color: var(--color-gold);
}

.footer-company {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.footer-company p {
  font-size: 0.8125rem;
  color: var(--color-gray-600);
}

.footer-company a {
  color: var(--color-gray-400);
  text-decoration: none;
}

.footer-company a:hover {
  color: var(--color-gold);
}

.copyright {
  font-size: 0.75rem;
  color: var(--color-gray-600);
}

/* ======================= */
/* Mobile Sticky CTA       */
/* ======================= */

.mobile-sticky-cta {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 16px 24px;
  padding-bottom: calc(16px + env(safe-area-inset-bottom, 0px));
  background: rgba(0, 0, 0, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  z-index: 999;
  transform: translateY(100%);
  opacity: 0;
  transition: transform 0.3s ease, opacity 0.3s ease;
}

.mobile-sticky-cta.visible {
  transform: translateY(0);
  opacity: 1;
}

.mobile-sticky-cta .btn-primary {
  width: 100%;
  padding: 14px 24px;
  font-size: 1rem;
}

/* ======================= */
/* Skip Link Accessibility */
/* ======================= */

.skip-link {
  position: absolute;
  top: -50px;
  left: 16px;
  background: var(--color-gold);
  color: var(--color-black);
  padding: 12px 24px;
  border-radius: 8px;
  font-weight: 600;
  text-decoration: none;
  z-index: 2000;
  transition: top 0.3s ease;
}

.skip-link:focus {
  top: 16px;
}

/* ======================= */
/* Hero Entrance Animation */
/* ======================= */

.hero-animate {
  opacity: 0;
  transform: translateY(40px);
}

.hero .headline.hero-animate {
  animation: heroReveal 0.8s cubic-bezier(0.22, 1, 0.36, 1) 0.1s forwards;
}

.hero .tagline.hero-animate {
  animation: heroReveal 0.7s cubic-bezier(0.22, 1, 0.36, 1) 0.25s forwards;
}

.hero .hero-image.hero-animate {
  animation: heroImageReveal 0.9s cubic-bezier(0.22, 1, 0.36, 1) 0.4s forwards;
}

.hero .hero-cta.hero-animate {
  animation: heroReveal 0.6s cubic-bezier(0.22, 1, 0.36, 1) 0.55s forwards;
}

@keyframes heroReveal {
  from {
    opacity: 0;
    transform: translateY(40px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes heroImageReveal {
  from {
    opacity: 0;
    transform: translateY(50px) scale(0.96);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

/* Headline highlight shimmer */
.headline .highlight {
  background-size: 200% 100%;
  animation: gradientShimmer 4s ease-in-out infinite;
}

@keyframes gradientShimmer {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}

/* ======================= */
/* Confetti Animation      */
/* ======================= */

.confetti {
  position: fixed;
  width: 10px;
  height: 10px;
  top: -20px;
  border-radius: 2px;
  z-index: 9999;
  pointer-events: none;
  animation: confettiFall 2.5s cubic-bezier(0.25, 0.46, 0.45, 0.94) forwards;
}

@keyframes confettiFall {
  0% {
    transform: translateY(0) rotate(0deg);
    opacity: 1;
  }
  100% {
    transform: translateY(100vh) rotate(720deg);
    opacity: 0;
  }
}

/* ======================= */
/* Testimonial Avatars     */
/* ======================= */

.testimonial-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-gold) 0%, #FFA500 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  margin-bottom: 16px;
  box-shadow: 0 4px 12px rgba(255, 230, 0, 0.2);
}

/* ======================= */
/* Social Share Section    */
/* ======================= */

.share-section {
  text-align: center;
  padding: 48px 0;
  margin-bottom: 48px;
}

.share-section h3 {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 24px;
  color: var(--color-gray-200);
}

.share-buttons {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

.share-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 50%;
  color: var(--color-white);
  text-decoration: none;
  transition: all 0.2s ease;
}

.share-btn svg {
  width: 22px;
  height: 22px;
}

.share-btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
}

.share-btn.whatsapp:hover { background: #25D366; border-color: #25D366; }
.share-btn.telegram:hover { background: #0088cc; border-color: #0088cc; }
.share-btn.messenger:hover { background: #006AFF; border-color: #006AFF; }
.share-btn.snapchat:hover { background: #FFFC00; border-color: #FFFC00; color: #000; }
.share-btn.twitter:hover { background: #000; border-color: #fff; }
.share-btn.linkedin:hover { background: #0A66C2; border-color: #0A66C2; }

/* ======================= */
/* Floating Zoe Animation  */
/* ======================= */

.cta-zoe {
  animation: float 3s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

/* ======================= */
/* Reduced Motion          */
/* ======================= */

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  html {
    scroll-behavior: auto;
  }

  .hero-animate {
    opacity: 1;
    transform: none;
  }
}

/* ======================= */
/* Scroll Reveal Animation */
/* ======================= */

.scroll-reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.scroll-reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Staggered delays for grid items */
.features-grid .scroll-reveal:nth-child(1) { transition-delay: 0s; }
.features-grid .scroll-reveal:nth-child(2) { transition-delay: 0.1s; }
.features-grid .scroll-reveal:nth-child(3) { transition-delay: 0.2s; }
.features-grid .scroll-reveal:nth-child(4) { transition-delay: 0.3s; }
.features-grid .scroll-reveal:nth-child(5) { transition-delay: 0.1s; }
.features-grid .scroll-reveal:nth-child(6) { transition-delay: 0.2s; }
.features-grid .scroll-reveal:nth-child(7) { transition-delay: 0.3s; }
.features-grid .scroll-reveal:nth-child(8) { transition-delay: 0.1s; }

.steps .scroll-reveal:nth-child(1) { transition-delay: 0s; }
.steps .scroll-reveal:nth-child(2) { transition-delay: 0.15s; }
.steps .scroll-reveal:nth-child(3) { transition-delay: 0.3s; }

.testimonials-grid .scroll-reveal:nth-child(1) { transition-delay: 0s; }
.testimonials-grid .scroll-reveal:nth-child(2) { transition-delay: 0.1s; }
.testimonials-grid .scroll-reveal:nth-child(3) { transition-delay: 0.2s; }

/* ======================= */
/* Keyframe Animations     */
/* ======================= */

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes shake {
  0%, 100% { transform: translateX(0); }
  20%, 60% { transform: translateX(-10px); }
  40%, 80% { transform: translateX(10px); }
}

/* ======================= */
/* Responsive - Tablet     */
/* ======================= */

@media (max-width: 900px) {
  .steps {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .step-image img {
    max-width: 180px;
  }

  .testimonials-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .dna-content {
    flex-direction: column;
    text-align: center;
  }

  .dna-features {
    align-items: center;
  }
}

/* ======================= */
/* Responsive - Mobile     */
/* ======================= */

@media (max-width: 640px) {
  :root {
    --header-height: 56px;
  }

  .container {
    padding: 24px 16px;
    padding-top: calc(24px + var(--header-height));
  }

  .headline {
    font-size: 2rem;
  }

  .tagline {
    font-size: 1.0625rem;
  }

  .btn-primary {
    padding: 14px 24px;
    font-size: 1rem;
  }

  .btn-primary.btn-large {
    padding: 16px 32px;
    font-size: 1.0625rem;
  }

  .social-proof {
    flex-direction: column;
    gap: 16px;
    padding: 20px 24px;
  }

  .proof-divider {
    display: none;
  }

  .section-title {
    margin-bottom: 32px;
  }

  .features-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .feature-card {
    padding: 24px;
  }

  .style-dna {
    padding: 32px 24px;
  }

  .dna-image img {
    width: 180px;
  }

  .final-cta {
    padding: 32px 20px;
  }

  .final-cta .cta-content {
    flex-direction: column;
    text-align: center;
  }

  .cta-zoe {
    width: 100px;
  }

  .ios-waitlist {
    padding: 24px 20px;
  }

  .ios-form .form-row {
    flex-direction: column;
  }

  .trust-badges {
    flex-direction: column;
    gap: 16px;
  }

  /* Show mobile sticky CTA */
  .mobile-sticky-cta {
    display: block;
  }

  /* Add padding to footer for sticky CTA */
  .footer {
    padding-bottom: calc(48px + 80px);
  }
}

/* ======================= */
/* Hidden Utility          */
/* ======================= */

[hidden] {
  display: none !important;
}
