/* ── Reset ────────────────────────────────────────────── */
*, *::before, *::after {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

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

/* ── Base typography ─────────────────────────────────── */
body {
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--text-primary);
  background: var(--bg-page);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.2;
  margin: 0 0 var(--space-4);
  color: var(--text-primary);
}

h1 {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -1.5px;
}

h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -1px;
}

h3 {
  font-size: 1.4rem;
  font-weight: 700;
  line-height: 1.3;
}

h4 {
  font-size: 1.1rem;
  font-weight: 600;
}

p {
  margin: 0 0 var(--space-4);
}

a {
  color: inherit;
  text-decoration: none;
}

a:hover,
a:focus-visible {
  text-decoration: none;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

ul, ol {
  padding-left: var(--space-5);
  margin: 0;
}

/* ── Utilities ───────────────────────────────────────── */
.visually-hidden,
.sr-only {
  position: absolute;
  height: 1px;
  width: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
}

.container {
  width: 90%;
  max-width: var(--max-container);
  margin-inline: auto;
}

.text-center {
  text-align: center;
}

/* ── Scroll reveal foundation ────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity var(--duration-slow) var(--ease-smooth),
              transform var(--duration-slow) var(--ease-smooth);
}

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

.reveal-delay-1 { transition-delay: 150ms; }
.reveal-delay-2 { transition-delay: 300ms; }
.reveal-delay-3 { transition-delay: 450ms; }
.reveal-delay-4 { transition-delay: 600ms; }

/* ── Hero entrance sequence ──────────────────────────── */
.hero-enter {
  opacity: 0;
  transform: translateY(20px);
  animation: heroFadeIn var(--duration-slow) var(--ease-smooth) forwards;
}

.hero-enter-1 { animation-delay: 100ms; }
.hero-enter-2 { animation-delay: 300ms; }
.hero-enter-3 { animation-delay: 500ms; }
.hero-enter-4 { animation-delay: 700ms; }
.hero-enter-5 { animation-delay: 900ms; }

@keyframes heroFadeIn {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ── Ken Burns drift for hero background ─────────────── */
@keyframes kenBurns {
  from {
    transform: scale(1.06);
  }
  to {
    transform: scale(1);
  }
}

/* ── Button shine sweep ──────────────────────────────── */
@keyframes shineSweep {
  from {
    transform: translateX(-100%) skewX(-15deg);
  }
  to {
    transform: translateX(200%) skewX(-15deg);
  }
}

/* ── Counter fade ────────────────────────────────────── */
@keyframes countPulse {
  0%   { transform: scale(1); }
  50%  { transform: scale(1.05); }
  100% { transform: scale(1); }
}

/* ── Product row reveal — image and body slide in from opposite sides ── */
.reveal-product {
  opacity: 0;
}

.reveal-product .product-row-image {
  opacity: 0;
  transform: translateX(-60px) scale(0.96);
  transition: opacity 0.8s var(--ease-smooth),
              transform 0.8s var(--ease-smooth);
}

.reveal-product.is-reversed .product-row-image {
  transform: translateX(60px) scale(0.96);
}

.reveal-product .product-row-body {
  opacity: 0;
  transform: translateX(60px);
  transition: opacity 0.8s var(--ease-smooth) 0.15s,
              transform 0.8s var(--ease-smooth) 0.15s;
}

.reveal-product.is-reversed .product-row-body {
  transform: translateX(-60px);
}

.reveal-product.is-visible {
  opacity: 1;
}

.reveal-product.is-visible .product-row-image {
  opacity: 1;
  transform: translateX(0) scale(1);
}

.reveal-product.is-visible .product-row-body {
  opacity: 1;
  transform: translateX(0);
}

/* Feature items stagger in */
.reveal-product .product-feature-item {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.45s var(--ease-smooth),
              transform 0.45s var(--ease-smooth);
}

.reveal-product.is-visible .product-feature-item:nth-child(1) {
  transition-delay: 0.4s;
}
.reveal-product.is-visible .product-feature-item:nth-child(2) {
  transition-delay: 0.55s;
}
.reveal-product.is-visible .product-feature-item:nth-child(3) {
  transition-delay: 0.7s;
}

.reveal-product.is-visible .product-feature-item {
  opacity: 1;
  transform: translateY(0);
}

/* Product CTA slides up */
.reveal-product .product-row-cta {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.45s var(--ease-smooth) 0.85s,
              transform 0.45s var(--ease-smooth) 0.85s;
}

.reveal-product.is-visible .product-row-cta {
  opacity: 1;
  transform: translateY(0);
}

/* Border draws across on reveal */
.product-row::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--border-light);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 0.6s var(--ease-smooth) 0.3s;
}

.product-row:first-child::before {
  display: none;
}

.reveal-product.is-visible::before {
  transform: scaleX(1);
}

/* ── Project row reveal ─────────────────────────────── */
.reveal-project {
  opacity: 0;
}

.reveal-project > div:first-child {
  opacity: 0;
  transform: translateX(-60px);
  transition: opacity 0.8s var(--ease-smooth),
              transform 0.8s var(--ease-smooth);
}

.reveal-project.is-reversed > div:first-child {
  transform: translateX(60px);
}

.reveal-project > div:last-child {
  opacity: 0;
  transform: translateX(60px);
  transition: opacity 0.8s var(--ease-smooth) 0.15s,
              transform 0.8s var(--ease-smooth) 0.15s;
}

.reveal-project .project-image {
  opacity: 0;
  transform: scale(0.95);
  transition: opacity 0.8s var(--ease-smooth) 0.1s,
              transform 0.8s var(--ease-smooth) 0.1s;
}

.reveal-project.is-reversed > div:last-child {
  transform: translateX(-60px);
}

.reveal-project.is-visible {
  opacity: 1;
}

.reveal-project.is-visible > div:first-child {
  opacity: 1;
  transform: translateX(0);
}

.reveal-project.is-visible > div:last-child {
  opacity: 1;
  transform: translateX(0);
}

.reveal-project.is-visible .project-image {
  opacity: 1;
  transform: scale(1);
}

.project-panel-line {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.4s var(--ease-smooth),
              transform 0.4s var(--ease-smooth);
}

.reveal-project.is-visible .project-panel-line:nth-child(1) {
  transition-delay: 0.4s;
}

.reveal-project.is-visible .project-panel-line:nth-child(2) {
  transition-delay: 0.55s;
}

.reveal-project.is-visible .project-panel-line:nth-child(3) {
  transition-delay: 0.7s;
}

.reveal-project.is-visible .project-panel-line:nth-child(4) {
  transition-delay: 0.85s;
}

.reveal-project.is-visible .project-panel-line {
  opacity: 1;
  transform: translateY(0);
}

/* Border draws across on reveal */
.project-row::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--border-light);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 0.6s var(--ease-smooth) 0.3s;
}

.project-row:first-child::before {
  display: none;
}

.reveal-project.is-visible::before {
  transform: scaleX(1);
}

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

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

  .hero-enter {
    opacity: 1;
    transform: none;
    animation: none;
  }

  .reveal-product {
    opacity: 1;
  }

  .reveal-product .product-row-image,
  .reveal-product .product-row-body,
  .reveal-product .product-feature-item,
  .reveal-product .product-row-cta {
    opacity: 1;
    transform: none;
  }

  .product-row::before {
    transform: scaleX(1);
  }

  .reveal-project {
    opacity: 1;
  }

  .reveal-project > div:first-child,
  .reveal-project > div:last-child,
  .reveal-project .project-image {
    opacity: 1;
    transform: none;
  }

  .project-panel-line {
    opacity: 1;
    transform: none;
  }

  .project-row::before {
    transform: scaleX(1);
  }

  html {
    scroll-behavior: auto;
  }
}