/* ============================================================
   ASTRYN AI — Complete Redesign
   Inspired by: Apple, Linear, Stripe
   Philosophy: Restraint. Precision. Clarity.
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

/* ---- Design Tokens ---- */
:root {
  /* Core */
  --black:       #000000;
  --white:       #ffffff;
  --off-white:   #f5f5f7;
  --gray-1:      #1d1d1f;
  --gray-2:      #2d2d2f;
  --gray-3:      #424245;
  --gray-4:      #6e6e73;
  --gray-5:      #86868b;
  --gray-6:      #ababab;

  /* Surfaces */
  --surface:     rgba(255,255,255,0.04);
  --surface-2:   rgba(255,255,255,0.06);
  --border:      rgba(255,255,255,0.1);
  --border-2:    rgba(255,255,255,0.16);

  /* Single subtle accent */
  --accent:      #2997ff;
  --accent-dim:  rgba(41,151,255,0.12);

  /* Typography */
  --font:        'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  /* Spacing */
  --nav-h:       64px;

  /* Easing */
  --ease:        cubic-bezier(0.4, 0, 0.2, 1);
  --ease-out:    cubic-bezier(0, 0, 0.2, 1);
  --t:           0.3s;
}

/* ---- Reset ---- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  background: var(--black);
  color: var(--off-white);
  font-family: var(--font);
  font-size: 17px;
  font-weight: 400;
  line-height: 1.47059;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
img { max-width: 100%; display: block; }
button { cursor: pointer; border: none; background: none; font: inherit; color: inherit; }
::selection { background: rgba(41,151,255,0.3); }

/* ---- Canvas ---- */
#stars-canvas {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

/* ---- Layout ---- */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  position: relative;
  z-index: 1;
}
.container--narrow { max-width: 820px; }
.section { padding: 100px 0; position: relative; z-index: 1; }
.section--xl { padding: 140px 0; }

/* ============================================================
   TYPOGRAPHY SYSTEM
   ============================================================ */

/* Display — Hero level */
.type-display {
  font-size: clamp(48px, 6vw, 80px);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.025em;
  color: var(--white);
}

/* Headline */
.type-headline {
  font-size: clamp(32px, 4vw, 56px);
  font-weight: 700;
  line-height: 1.07;
  letter-spacing: -0.022em;
  color: var(--white);
}

/* Title */
.type-title {
  font-size: clamp(24px, 2.5vw, 36px);
  font-weight: 600;
  line-height: 1.12;
  letter-spacing: -0.015em;
  color: var(--white);
}

/* Body Large */
.type-body-xl {
  font-size: clamp(18px, 1.5vw, 21px);
  font-weight: 400;
  line-height: 1.6;
  color: var(--gray-5);
}

/* Body */
.type-body {
  font-size: 17px;
  line-height: 1.6;
  color: var(--gray-5);
}

/* Caption / Label */
.type-caption {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--gray-4);
}

/* ---- Eyebrow label ---- */
.eyebrow {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gray-5);
  margin-bottom: 20px;
  display: block;
}

/* ============================================================
   BUTTONS
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font);
  font-size: 17px;
  font-weight: 400;
  border-radius: 980px;
  padding: 12px 24px;
  transition: all var(--t) var(--ease);
  cursor: pointer;
  border: none;
  white-space: nowrap;
  letter-spacing: -0.01em;
}

/* Primary — solid white on black */
.btn-primary {
  background: var(--white);
  color: var(--black);
}
.btn-primary:hover {
  background: var(--off-white);
}

/* Secondary — outline */
.btn-secondary {
  background: transparent;
  color: var(--accent);
  padding: 0;
  border-radius: 0;
  font-size: 17px;
}
.btn-secondary:hover { text-decoration: underline; }
.btn-secondary svg { transition: transform var(--t) var(--ease); }
.btn-secondary:hover svg { transform: translateX(4px); }

/* Ghost / text link */
.btn-ghost {
  background: transparent;
  border: 1px solid var(--border-2);
  color: var(--white);
}
.btn-ghost:hover {
  background: var(--surface-2);
  border-color: var(--border-2);
}

/* ============================================================
   NAVBAR
   ============================================================ */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--nav-h);
  z-index: 1000;
  background: rgba(0,0,0,0.72);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.nav-inner {
  height: var(--nav-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 17px;
  font-weight: 600;
  color: var(--white);
  letter-spacing: -0.01em;
}
.nav-logo img {
  height: 28px;
  width: auto;
  border-radius: 4px;
  opacity: 0.9;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 0;
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
}
.nav-links a {
  font-size: 14px;
  font-weight: 400;
  color: var(--gray-6);
  padding: 0 16px;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  transition: color var(--t) var(--ease);
  letter-spacing: -0.005em;
}
.nav-links a:hover { color: var(--white); }
.nav-links a.active { 
  color: var(--white); 
  font-weight: 600; 
  text-shadow: 0 0 6px rgba(255, 255, 255, 0.4); 
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}
.nav-cta {
  font-size: 14px;
  padding: 8px 18px;
}

/* Hamburger */
.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  background: none;
  border: none;
}
.nav-hamburger span {
  display: block;
  width: 22px; height: 1.5px;
  background: var(--white);
  transition: var(--t) var(--ease);
}

/* Mobile nav */
.mobile-nav {
  display: none;
  position: fixed;
  top: var(--nav-h); left: 0; right: 0;
  background: rgba(0,0,0,0.97);
  backdrop-filter: blur(30px);
  border-bottom: 1px solid var(--border);
  padding: 24px;
  flex-direction: column;
  gap: 0;
  z-index: 999;
}
.mobile-nav a {
  padding: 16px 0;
  font-size: 19px;
  font-weight: 400;
  color: var(--gray-6);
  border-bottom: 1px solid var(--border);
  transition: color var(--t) var(--ease);
}
.mobile-nav a:hover { color: var(--white); }
.mobile-nav a.active { 
  color: var(--white); 
  font-weight: 600; 
  text-shadow: 0 0 6px rgba(255, 255, 255, 0.4); 
}
.mobile-nav .btn {
  margin-top: 24px;
  justify-content: center;
  width: 100%;
}
.mobile-nav.open { display: flex; }

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

/* Hero node-graph canvas */
#hero-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
  opacity: 1;
}

/* Subtle vignette over hero canvas */
.hero-vignette {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background:
    radial-gradient(ellipse 80% 60% at 50% 50%, transparent 40%, rgba(0,0,0,0.7) 100%),
    linear-gradient(to bottom, rgba(0,0,0,0.2) 0%, transparent 30%, transparent 70%, rgba(0,0,0,0.6) 100%);
}

.hero-inner {
  width: 100%;
  text-align: center;
  padding: 80px 0 100px;
  position: relative;
  z-index: 2;
}

.hero-eyebrow {
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gray-4);
  margin-bottom: 28px;
  display: block;
}

.hero-title {
  font-size: clamp(52px, 7vw, 96px);
  font-weight: 700;
  line-height: 1.04;
  letter-spacing: -0.03em;
  color: var(--white);
  margin-bottom: 28px;
}

.hero-subtitle {
  font-size: clamp(18px, 2vw, 24px);
  font-weight: 400;
  line-height: 1.5;
  color: var(--gray-5);
  max-width: 640px;
  margin: 0 auto 48px;
  letter-spacing: -0.01em;
}

.hero-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 24px;
  flex-wrap: wrap;
}


/* Hero bottom divider */
.hero-divider {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--border);
  margin-top: 80px;
}
.hero-stat {
  padding: 40px 32px;
  border-right: 1px solid var(--border);
  text-align: center;
}
.hero-stat:last-child { border-right: none; }
.hero-stat-value {
  font-size: 40px;
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--white);
  display: block;
  margin-bottom: 6px;
}
.hero-stat-label {
  font-size: 14px;
  color: var(--gray-5);
  font-weight: 400;
}

/* ============================================================
   SECTION HEADER
   ============================================================ */
.section-header {
  text-align: center;
  margin-bottom: 64px;
}
.section-header .eyebrow { justify-content: center; }

/* ============================================================
   SERVICES — Clean grid cards
   ============================================================ */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
}

.service-card {
  background: var(--black);
  padding: 48px 40px;
  transition: background var(--t) var(--ease);
  cursor: pointer;
}
.service-card:hover { background: var(--gray-1); }

.service-num {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gray-4);
  margin-bottom: 32px;
  display: block;
}

.service-icon-svg {
  width: 32px; height: 32px;
  color: var(--white);
  margin-bottom: 24px;
  opacity: 0.8;
}

.service-title {
  font-size: 22px;
  font-weight: 600;
  letter-spacing: -0.015em;
  color: var(--white);
  margin-bottom: 16px;
  line-height: 1.2;
}

.service-desc {
  font-size: 15px;
  line-height: 1.65;
  color: var(--gray-5);
  margin-bottom: 32px;
}

.service-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 15px;
  color: var(--accent);
  transition: gap var(--t) var(--ease);
}
.service-link:hover { gap: 10px; }

/* Services full layout (service page) */
.service-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
  padding: 80px 0;
  border-bottom: 1px solid var(--border);
}
.service-row:last-of-type { border-bottom: none; }

.service-row-features {
  display: flex;
  flex-direction: column;
  gap: 0;
  margin-top: 32px;
}
.feature-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 20px 0;
  border-bottom: 1px solid var(--border);
}
.feature-item:last-child { border-bottom: none; }
.feature-check {
  width: 20px; height: 20px;
  flex-shrink: 0;
  margin-top: 2px;
  color: var(--accent);
}
.feature-item p {
  font-size: 15px;
  color: var(--gray-5);
  line-height: 1.5;
}

.service-visual {
  background: var(--gray-1);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 48px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  aspect-ratio: 4/3;
}
.service-visual-icon {
  width: 64px; height: 64px;
  color: var(--white);
  opacity: 0.6;
  margin-bottom: 24px;
}
.service-visual-stat {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  margin-top: 32px;
  width: 100%;
}
.service-visual-stat-item {
  background: var(--black);
  padding: 20px;
  text-align: center;
}
.service-visual-stat-value {
  font-size: 28px;
  font-weight: 700;
  letter-spacing: -0.025em;
  color: var(--white);
  display: block;
  margin-bottom: 4px;
}
.service-visual-stat-label {
  font-size: 12px;
  color: var(--gray-5);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

/* ============================================================
   DEMONSTRATIONS
   ============================================================ */
.demos-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
}

.demo-card {
  background: var(--black);
  display: block;
  text-decoration: none;
  transition: background var(--t) var(--ease);
}
.demo-card:hover { background: var(--gray-1); }

.demo-thumb {
  position: relative;
  aspect-ratio: 16/9;
  background: var(--gray-1);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  border-bottom: 1px solid var(--border);
}

.play-btn-wrap {
  width: 56px; height: 56px;
  border-radius: 50%;
  border: 1.5px solid rgba(255,255,255,0.3);
  display: flex; align-items: center; justify-content: center;
  transition: var(--t) var(--ease);
}
.demo-card:hover .play-btn-wrap {
  border-color: rgba(255,255,255,0.8);
  background: rgba(255,255,255,0.1);
}
.play-btn-wrap svg {
  width: 20px; height: 20px;
  color: var(--white);
  margin-left: 3px;
}

.demo-info { padding: 28px 32px 32px; }
.demo-tag {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gray-4);
  display: block;
  margin-bottom: 10px;
}
.demo-title {
  font-size: 18px;
  font-weight: 600;
  color: var(--white);
  letter-spacing: -0.01em;
  line-height: 1.3;
}

/* ============================================================
   ABOUT
   ============================================================ */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}

.about-visual {
  position: sticky;
  top: calc(var(--nav-h) + 40px);
}

.about-img-block {
  aspect-ratio: 3/4;
  background: var(--gray-1);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

/* Minimal geometric graphic */
.about-geo {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}
.about-geo svg {
  width: 60%;
  opacity: 0.06;
}

.about-stat-strip {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  margin-top: 1px;
}
.about-stat-item {
  background: var(--black);
  padding: 24px 20px;
  text-align: center;
}
.about-stat-value {
  font-size: 28px;
  font-weight: 700;
  letter-spacing: -0.025em;
  color: var(--white);
  display: block;
  margin-bottom: 4px;
}
.about-stat-label { font-size: 12px; color: var(--gray-5); }

.about-content {
  padding-top: 8px;
  display: flex;
  flex-direction: column;
  gap: 48px;
}

.about-block h3 {
  font-size: 20px;
  font-weight: 600;
  letter-spacing: -0.015em;
  color: var(--white);
  margin-bottom: 16px;
}
.about-block p {
  font-size: 17px;
  line-height: 1.65;
  color: var(--gray-5);
}

.value-list {
  display: flex;
  flex-direction: column;
  gap: 0;
  border-top: 1px solid var(--border);
}
.value-item {
  display: flex;
  align-items: flex-start;
  gap: 24px;
  padding: 24px 0;
  border-bottom: 1px solid var(--border);
}
.value-num {
  font-size: 12px;
  font-weight: 600;
  color: var(--gray-4);
  letter-spacing: 0.05em;
  flex-shrink: 0;
  padding-top: 3px;
  width: 28px;
}
.value-item h4 {
  font-size: 16px;
  font-weight: 600;
  color: var(--white);
  margin-bottom: 6px;
  letter-spacing: -0.01em;
}
.value-item p { font-size: 14px; color: var(--gray-5); line-height: 1.6; }

/* ============================================================
   CONTACT
   ============================================================ */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 80px;
  align-items: start;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 0;
  border-top: 1px solid var(--border);
}
.contact-info-item {
  padding: 28px 0;
  border-bottom: 1px solid var(--border);
}
.contact-info-item h4 {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gray-4);
  margin-bottom: 10px;
}
.contact-info-item a,
.contact-info-item p {
  font-size: 17px;
  color: var(--off-white);
  transition: color var(--t) var(--ease);
  display: block;
  line-height: 1.6;
}
.contact-info-item a:hover { color: var(--accent); }

.contact-form-wrap {
  border: 1px solid var(--border);
  padding: 48px;
  background: var(--gray-1);
}
.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 24px;
}
.form-group label {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--gray-4);
}
.form-group input,
.form-group textarea {
  width: 100%;
  background: var(--black);
  border: 1px solid var(--border-2);
  border-radius: 0;
  color: var(--white);
  font-family: var(--font);
  font-size: 17px;
  font-weight: 400;
  padding: 14px 16px;
  transition: border-color var(--t) var(--ease);
  outline: none;
  -webkit-appearance: none;
}
.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--white);
}
.form-group input::placeholder,
.form-group textarea::placeholder { color: var(--gray-3); }
.form-group textarea { resize: vertical; min-height: 140px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-submit { width: 100%; padding: 16px; font-size: 17px; margin-top: 8px; border-radius: 0; }

/* ============================================================
   CTA BANNER
   ============================================================ */
.cta-section {
  border-top: 1px solid var(--border);
  padding: 100px 0;
  text-align: center;
  position: relative;
  z-index: 1;
}
.cta-section h2 { margin-bottom: 20px; }
.cta-section p { max-width: 520px; margin: 0 auto 40px; }
.cta-actions { display: flex; justify-content: center; gap: 24px; flex-wrap: wrap; }

/* ============================================================
   PAGE HERO (inner pages)
   ============================================================ */
.page-hero {
  padding: calc(var(--nav-h) + 80px) 0 80px;
  border-bottom: 1px solid var(--border);
  position: relative; z-index: 1;
}
.page-hero .eyebrow { margin-bottom: 16px; }
.breadcrumb {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  font-weight: 500;
  color: var(--gray-4);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 24px;
}
.breadcrumb a { color: var(--gray-4); }
.breadcrumb a:hover { color: var(--white); }

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  border-top: 1px solid var(--border);
  padding: 64px 0 40px;
  position: relative; z-index: 1;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}
.footer-brand .nav-logo { margin-bottom: 16px; }
.footer-brand p { font-size: 14px; color: var(--gray-4); max-width: 260px; line-height: 1.6; }

.footer-col h5 {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gray-4);
  margin-bottom: 20px;
}
.footer-col ul { display: flex; flex-direction: column; gap: 12px; }
.footer-col ul li a {
  font-size: 14px;
  color: var(--gray-5);
  transition: color var(--t) var(--ease);
}
.footer-col ul li a:hover { color: var(--white); }

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 32px;
  border-top: 1px solid var(--border);
  gap: 16px;
  flex-wrap: wrap;
}
.footer-bottom p { font-size: 13px; color: var(--gray-4); }
.footer-socials { display: flex; gap: 24px; }
.footer-socials a {
  font-size: 13px;
  color: var(--gray-4);
  transition: color var(--t) var(--ease);
}
.footer-socials a:hover { color: var(--white); }

/* ============================================================
   WHY / VALUES GRID (home)
   ============================================================ */
.why-grid {
  display: grid;
  grid-template-columns: repeat(4,1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
}
.why-item {
  background: var(--black);
  padding: 40px 32px;
  transition: background var(--t) var(--ease);
}
.why-item:hover { background: var(--gray-1); }
.why-item-num {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gray-4);
  margin-bottom: 24px;
  display: block;
}
.why-item h4 {
  font-size: 18px;
  font-weight: 600;
  color: var(--white);
  letter-spacing: -0.01em;
  margin-bottom: 12px;
}
.why-item p { font-size: 14px; color: var(--gray-5); line-height: 1.65; }

/* ============================================================
   SCROLL ANIMATIONS
   ============================================================ */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out);
}
.reveal.in-view { opacity: 1; transform: translateY(0); }
.reveal-delay-1 { transition-delay: 0.08s; }
.reveal-delay-2 { transition-delay: 0.16s; }
.reveal-delay-3 { transition-delay: 0.24s; }
.reveal-delay-4 { transition-delay: 0.32s; }
.reveal-delay-5 { transition-delay: 0.4s; }

/* ============================================================
   FAQ
   ============================================================ */
.faq-list { border-top: 1px solid var(--border); }
.faq-item {
  border-bottom: 1px solid var(--border);
  padding: 28px 0;
}
.faq-item h4 {
  font-size: 18px;
  font-weight: 500;
  color: var(--white);
  letter-spacing: -0.01em;
  margin-bottom: 12px;
}
.faq-item p { font-size: 15px; color: var(--gray-5); line-height: 1.65; }

/* ============================================================
   CTA SECTION
   ============================================================ */
.cta-section {
  padding: 100px 0;
  text-align: center;
}
.cta-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
  .about-grid { grid-template-columns: 1fr; gap: 48px; }
  .about-visual { position: static; }
  .contact-grid { grid-template-columns: 1fr; gap: 48px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .services-grid { grid-template-columns: 1fr; }
  .demos-grid { grid-template-columns: 1fr; }
  .why-grid { grid-template-columns: 1fr 1fr; }
  .service-row { grid-template-columns: 1fr; gap: 40px; }
}

@media (max-width: 768px) {
  :root { --nav-h: 56px; }
  .section, .section--xl { padding: 72px 0; }
  .nav-links, .nav-actions { display: none; }
  .nav-hamburger { display: flex; }
  .hero-divider { grid-template-columns: 1fr; }
  .hero-stat { border-right: none; border-bottom: 1px solid var(--border); }
  .hero-stat:last-child { border-bottom: none; }
  .form-row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .why-grid { grid-template-columns: 1fr; }
  .contact-form-wrap { padding: 32px 24px; }
  .cta-actions { flex-direction: column; align-items: center; }
}

@media (max-width: 480px) {
  .hero-title { font-size: 40px; }
  .type-headline { font-size: 28px; }
}

/* ---- Scrollbar ---- */
::-webkit-scrollbar { width: 5px; }
::-webkit-scrollbar-track { background: var(--black); }
::-webkit-scrollbar-thumb { background: var(--gray-2); }
::-webkit-scrollbar-thumb:hover { background: var(--gray-3); }

/* ---- Misc ---- */
.divider { height: 1px; background: var(--border); }
.text-center { text-align: center; }
.mt-4 { margin-top: 16px; }
.mt-8 { margin-top: 32px; }
.mt-12 { margin-top: 48px; }
.mb-4 { margin-bottom: 16px; }
.mb-8 { margin-bottom: 32px; }
.page-top-offset { padding-top: var(--nav-h); }