/* ============================
   Hero
   ============================ */
.hero {
  position: relative;
  min-height: 100vh;
  min-height: 100svh;
  display: flex;
  align-items: center;
  padding-top: var(--nav-height);
  overflow: hidden;
}

/* Lightweight CSS fallback — only painted until the shader takes over.
   The .shader-active class on <body> hides these to avoid double-painting. */
.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  overflow: hidden;
  background:
    radial-gradient(ellipse 70% 60% at 30% 30%, rgba(236, 76, 210, 0.35), transparent 60%),
    radial-gradient(ellipse 60% 50% at 75% 70%, rgba(168, 85, 247, 0.30), transparent 60%),
    var(--color-bg);
}

.hero-bg::before {
  content: "";
  position: absolute;
  inset: -20%;
  background: radial-gradient(circle at 50% 50%, rgba(245, 184, 232, 0.18), transparent 50%);
  animation: heroBgDrift 24s ease-in-out infinite alternate;
  will-change: transform;
}

@keyframes heroBgDrift {
  0%   { transform: translate(0, 0); }
  100% { transform: translate(8%, -6%); }
}

.shader-active .hero-bg { display: none; }
.shader-active .hero-bg-orb { display: none; }
.hero-bg-orb { display: none; }

/* Shader canvas overlays the CSS gradient when WebGL works */
.hero-canvas {
  position: absolute;
  inset: 0;
  z-index: 1;
}

.hero-canvas canvas {
  display: block;
  width: 100% !important;
  height: 100% !important;
}

.hero-fade {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(to bottom, transparent 0%, transparent 65%, var(--color-bg) 100%),
    radial-gradient(ellipse 80% 60% at 50% 50%, transparent 0%, rgba(7, 4, 13, 0.35) 100%);
  z-index: 2;
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 3;
  text-align: center;
  max-width: 56rem;
  margin-inline: auto;
  padding-block: var(--space-3xl);
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.625rem;
  padding: 0.4375rem 0.875rem 0.4375rem 0.5rem;
  background: rgba(15, 8, 24, 0.5);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 400;
  color: var(--color-text);
  margin-bottom: var(--space-xl);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}

.hero-tag-dot {
  width: 6px;
  height: 6px;
  background: var(--color-primary-light);
  border-radius: 50%;
  box-shadow: 0 0 12px var(--color-primary-light);
  animation: pulseDot 2s ease-in-out infinite;
}

@keyframes pulseDot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.8); }
}

.hero-content h1 {
  margin-bottom: var(--space-lg);
  text-shadow: 0 8px 40px rgba(7, 4, 13, 0.6);
}

.hero-subtitle {
  font-size: clamp(1.0625rem, 1.4vw, 1.1875rem);
  color: var(--color-text-muted);
  margin-bottom: var(--space-2xl);
  max-width: 36rem;
  margin-inline: auto;
  line-height: 1.65;
  text-shadow: 0 4px 24px rgba(7, 4, 13, 0.5);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
  justify-content: center;
  margin-bottom: var(--space-2xl);
}

.hero-store-badges {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
  justify-content: center;
}

.hero-scroll {
  position: absolute;
  bottom: var(--space-xl);
  left: 50%;
  transform: translateX(-50%);
  z-index: 3;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-sm);
  font-family: var(--font-sans);
  font-size: 0.625rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.25em;
  color: var(--color-text-subtle);
  animation: floatY 2.5s ease-in-out infinite;
}

@media (max-width: 768px), (max-height: 720px) {
  .hero-scroll { display: none; }
}

.hero-scroll-line {
  width: 1px;
  height: 28px;
  background: linear-gradient(to bottom, var(--color-primary-light), transparent);
}

@keyframes floatY {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(6px); }
}

/* ============================
   Grain overlay (no blend-mode — cheaper to composite)
   ============================ */
.grain {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 9999;
  opacity: 0.025;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
}

/* ============================
   Scroll reveal
   ============================ */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.9s var(--ease-out-expo), transform 0.9s var(--ease-out-expo);
}

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

.reveal-delay-1 { transition-delay: 0.08s; }
.reveal-delay-2 { transition-delay: 0.18s; }
.reveal-delay-3 { transition-delay: 0.28s; }
.reveal-delay-4 { transition-delay: 0.38s; }
.reveal-delay-5 { transition-delay: 0.48s; }

.reveal-stagger > * {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.7s var(--ease-out-expo), transform 0.7s var(--ease-out-expo);
}

.reveal-stagger.visible > *:nth-child(1) { transition-delay: 0.05s; }
.reveal-stagger.visible > *:nth-child(2) { transition-delay: 0.15s; }
.reveal-stagger.visible > *:nth-child(3) { transition-delay: 0.25s; }
.reveal-stagger.visible > *:nth-child(4) { transition-delay: 0.35s; }
.reveal-stagger.visible > *:nth-child(5) { transition-delay: 0.45s; }
.reveal-stagger.visible > * {
  opacity: 1;
  transform: translateY(0);
}

/* ============================
   How it works steps
   ============================ */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-3xl);
}

.step-number {
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 300;
  font-size: 2.5rem;
  color: var(--color-primary-light);
  line-height: 1;
  margin-bottom: var(--space-md);
  display: block;
}

@media (max-width: 768px) {
  .steps-grid {
    grid-template-columns: 1fr;
    gap: var(--space-xl);
  }

  .step-number {
    font-size: 2rem;
    margin-bottom: var(--space-sm);
  }

  .tile-icon {
    width: 2.25rem;
    height: 2.25rem;
    margin-bottom: var(--space-xs);
  }

  .tile-icon svg {
    width: 1.375rem;
    height: 1.375rem;
  }
}

/* ============================
   Features grid (no boxes — editorial)
   ============================ */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-2xl) var(--space-3xl);
}

@media (max-width: 900px) {
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-2xl);
  }
}

@media (max-width: 600px) {
  .features-grid {
    grid-template-columns: 1fr;
  }
}

/* ============================
   Phone mockups
   ============================ */
.screenshot-gallery {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: var(--space-lg);
  flex-wrap: wrap;
  perspective: 1200px;
  padding-block: var(--space-xl);
}

.phone-mockup {
  position: relative;
  width: 240px;
  background: linear-gradient(180deg, #1a0f25, #0f0818);
  border: 1px solid rgba(192, 132, 252, 0.18);
  border-radius: 2.25rem;
  padding: 0.5rem;
  box-shadow:
    0 30px 80px rgba(0, 0, 0, 0.6),
    0 0 60px rgba(168, 85, 247, 0.15),
    inset 0 1px 0 rgba(255, 255, 255, 0.08);
  transition: transform 0.6s var(--ease-out-expo), box-shadow 0.6s var(--ease-out-expo);
}

.phone-mockup::before {
  content: "";
  position: absolute;
  top: 0.75rem;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 18px;
  background: #07040d;
  border-radius: 12px;
  z-index: 2;
}

.phone-mockup:nth-child(1) { transform: rotate(-8deg) translateY(20px); }
.phone-mockup:nth-child(2) {
  transform: translateY(-10px);
  z-index: 1;
  box-shadow: 0 40px 100px rgba(0, 0, 0, 0.7), 0 0 80px rgba(192, 132, 252, 0.25);
}
.phone-mockup:nth-child(3) { transform: rotate(8deg) translateY(20px); }

.phone-mockup:hover {
  transform: translateY(-12px) scale(1.03);
  box-shadow:
    0 40px 100px rgba(0, 0, 0, 0.7),
    0 0 100px rgba(236, 76, 210, 0.3);
}

.phone-screen {
  aspect-ratio: 9 / 19.5;
  border-radius: 1.75rem;
  overflow: hidden;
  background: var(--color-bg);
  display: flex;
  align-items: center;
  justify-content: center;
}

.phone-screen img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top;
}

@media (max-width: 768px) {
  .phone-mockup {
    width: min(240px, 70vw);
  }

  .phone-mockup:nth-child(1),
  .phone-mockup:nth-child(3) {
    display: none;
  }

  .phone-mockup:nth-child(2) {
    transform: none;
  }

  .screenshot-gallery {
    padding-block: var(--space-md);
  }
}

/* ============================
   Testimonials grid
   ============================ */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-3xl);
}

@media (max-width: 900px) {
  .testimonials-grid {
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
  }
}

/* ============================
   Contact section
   ============================ */
.contact-section {
  background:
    radial-gradient(ellipse 70% 60% at 50% 0%, rgba(192, 132, 252, 0.08), transparent 70%),
    var(--color-bg);
  border-top: 1px solid var(--color-border);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4xl);
  align-items: start;
}

.contact-info h2 {
  margin-bottom: var(--space-md);
}

.contact-info > p {
  margin-bottom: var(--space-xl);
  font-size: 1.0625rem;
  color: var(--color-text-muted);
  max-width: 24rem;
}

.contact-form-wrapper {
  padding-left: var(--space-xl);
  border-left: 1px solid var(--color-border);
}

@media (max-width: 768px) {
  .contact-grid {
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
  }

  .contact-form-wrapper {
    padding-left: 0;
    border-left: 0;
    padding-top: var(--space-xl);
    border-top: 1px solid var(--color-border);
  }
}

/* ============================
   Marquee
   ============================ */
.marquee-row {
  display: flex;
  gap: clamp(1rem, 4vw, 3rem);
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 300;
  font-size: clamp(1.75rem, 6vw, 4.5rem);
  color: var(--color-text-subtle);
  padding-block: var(--space-xl);
  flex-wrap: wrap;
  text-align: center;
  letter-spacing: -0.02em;
}

.marquee-row span:not(.marquee-dot) {
  white-space: nowrap;
}

.marquee-dot {
  width: 8px;
  height: 8px;
  background: var(--color-primary-light);
  border-radius: 50%;
  box-shadow: 0 0 16px var(--color-primary-light);
  flex-shrink: 0;
}

/* ============================
   Off-screen render optimization
   `content-visibility: auto` skips paint+layout for offscreen sections.
   Disabled on small screens because the browser estimate can briefly
   show large blank gaps during fast scrolls.
   ============================ */
@media (min-width: 769px) {
  .section {
    content-visibility: auto;
    contain-intrinsic-size: 0 800px;
  }

  .hero,
  .contact-section {
    content-visibility: visible;
  }
}

/* ============================
   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;
  }

  .reveal,
  .reveal-stagger > * {
    opacity: 1;
    transform: none;
  }
}
