/* =========================================================
   Ocean Automation — stylesheet
   Colors, spacing and radii are all CSS variables below,
   so the whole palette can be retuned from one place.
   ========================================================= */

:root {
  /* Dark premium ocean palette */
  --bg: #0A1420;           /* deep navy page background */
  --bg-rgb: 10, 20, 32;    /* same as --bg, as r,g,b for use inside rgba() */
  --bg-tint: #0F1E30;      /* slightly lighter navy for alternating sections */
  --surface: #101F32;      /* card / panel surface, one step up from bg-tint */

  --accent: #17E9C4;       /* glowing cyan/teal — headings, buttons, links */
  --accent-rgb: 23, 233, 196;
  --accent-deep: #00B8A0;  /* darker teal, gradient depth / hover states */
  --accent-soft: #6FD9C9;  /* dimmer cyan for eyebrows / subtitles / small labels */
  --border: #1B3A5C;       /* muted blue — card borders, dividers */

  --text: #E8EEF2;         /* light gray/white body text */
  --text-soft: #8FA6B8;    /* dimmer secondary text, still readable on dark bg */

  --radius-lg: 22px;
  --radius-md: 16px;
  --radius-sm: 10px;
  --radius-pill: 999px;

  --shadow-sm: 0 4px 14px rgba(0, 0, 0, 0.35);
  --shadow-md: 0 14px 34px rgba(0, 0, 0, 0.45), 0 0 0 1px rgba(var(--accent-rgb), 0.04);
  --shadow-lg: 0 24px 60px rgba(0, 0, 0, 0.55), 0 0 40px rgba(var(--accent-rgb), 0.08);
  --glow-sm: 0 0 18px rgba(var(--accent-rgb), 0.35);

  --container: 1160px;
  --nav-h: 76px;

  --ease: cubic-bezier(.22, 1, .36, 1);
}

/* ---------- Reset ---------- */
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: 'Inter', system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul, ol { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, p { margin: 0; }
h1, h2, h3 { font-family: 'Space Grotesk', 'Inter', system-ui, sans-serif; }
button { font: inherit; cursor: pointer; background: none; border: none; color: inherit; }

/* Respect reduced-motion preference site-wide */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}

/* Keyboard focus visibility */
a:focus-visible,
button:focus-visible,
[tabindex]:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 3px;
  border-radius: 6px;
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--accent);
  color: var(--bg);
  padding: 12px 18px;
  border-radius: 0 0 10px 0;
  z-index: 1000;
}
.skip-link:focus {
  left: 0;
}

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: var(--radius-pill);
  font-weight: 600;
  font-size: 0.98rem;
  transition: transform 0.25s var(--ease), box-shadow 0.25s var(--ease), background 0.25s var(--ease);
  white-space: nowrap;
}
.btn-lg { padding: 16px 32px; font-size: 1.02rem; }
.btn-sm { padding: 10px 20px; font-size: 0.9rem; }
.btn-block { width: 100%; }

.btn-accent {
  background: linear-gradient(135deg, var(--accent), var(--accent-deep));
  color: #06231D;
  box-shadow: var(--shadow-md), var(--glow-sm);
}
.btn-accent:hover { transform: translateY(-2px); box-shadow: var(--shadow-lg), var(--glow-sm); }

.btn-ghost {
  background: transparent;
  color: var(--accent);
  border: 1.5px solid var(--border);
}
.btn-ghost:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
}

/* ---------- Nav ---------- */
.nav {
  position: sticky;
  top: 0;
  z-index: 500;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  background: rgba(var(--bg-rgb), 0.78);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s var(--ease), box-shadow 0.3s var(--ease);
}
.nav.is-scrolled {
  border-bottom-color: var(--border);
  box-shadow: 0 6px 24px rgba(0, 0, 0, 0.35);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  width: 100%;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 1.08rem;
  font-family: 'Space Grotesk', 'Inter', system-ui, sans-serif;
  color: var(--accent);
}

.logo-mark {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  flex-shrink: 0;
  background: radial-gradient(circle at 32% 28%, #CFFFF6 0%, var(--accent) 45%, var(--accent-deep) 100%);
  box-shadow: 0 4px 16px rgba(var(--accent-rgb), 0.5);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 30px;
}
.nav-links a {
  font-weight: 500;
  font-size: 0.96rem;
  color: var(--text-soft);
  transition: color 0.2s var(--ease);
  position: relative;
}
.nav-links a:hover { color: var(--accent); }

.nav-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.lang-switch {
  display: flex;
  align-items: center;
  gap: 2px;
  background: var(--bg-tint);
  border-radius: var(--radius-pill);
  padding: 4px;
}
.lang-btn {
  padding: 6px 11px;
  border-radius: var(--radius-pill);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--text-soft);
  transition: background 0.2s var(--ease), color 0.2s var(--ease);
}
.lang-btn:hover { color: var(--accent); }
.lang-btn.is-active {
  background: rgba(var(--accent-rgb), 0.14);
  color: var(--accent);
  box-shadow: var(--shadow-sm);
}

.nav-burger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  border-radius: 10px;
}
.nav-burger span {
  display: block;
  height: 2px;
  width: 20px;
  background: var(--accent);
  margin: 0 auto;
  transition: transform 0.25s var(--ease), opacity 0.25s var(--ease);
}
.nav-burger[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-burger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-burger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  overflow: hidden;
  padding: 96px 0 80px;
  background: radial-gradient(ellipse 120% 60% at 50% 0%, #102943 0%, var(--bg) 65%);
}

/* ---------- Hero 3D layer ----------
   Stacking order (back to front): .hero background (above) ->
   .hero-fallback-nodes (static CSS glow dots, always in the DOM) ->
   #heroCanvas (WebGL scene, js/hero-scene.js flips it to display:block
   and fades it in only once it's confirmed working) -> .hero-overlay
   (dark gradient for text contrast) -> .hero-inner (the actual text).
   To retune the fallback dots' color/position, edit .fb-node below;
   for the WebGL scene's colors/density/speed, see the CONFIG block
   at the top of js/hero-scene.js. */
.hero-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: none; /* js/hero-scene.js sets this to "block" only after a successful WebGL init */
  opacity: 0;
  transition: opacity 1.2s var(--ease);
  z-index: 1;
}
.hero-canvas.is-ready { opacity: 1; }

.hero-fallback-nodes {
  position: absolute;
  inset: 0;
  z-index: 0;
  overflow: hidden;
  pointer-events: none;
}
.fb-node {
  position: absolute;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 16px 4px rgba(var(--accent-rgb), 0.55);
  animation: fbPulse 4s ease-in-out infinite;
}
.fb-node-1 { top: 22%; left: 16%; animation-delay: 0s; }
.fb-node-2 { top: 38%; left: 40%; animation-delay: 0.8s; }
.fb-node-3 { top: 18%; left: 68%; animation-delay: 1.6s; }
.fb-node-4 { top: 46%; left: 87%; animation-delay: 2.4s; }
@keyframes fbPulse {
  0%, 100% { opacity: 0.45; transform: scale(1); }
  50% { opacity: 1; transform: scale(1.4); }
}
.fb-lines {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}
.fb-lines line {
  stroke: var(--accent);
  stroke-width: 1;
  opacity: 0.14;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  z-index: 2;
  pointer-events: none;
  background: radial-gradient(ellipse 70% 60% at 50% 32%, rgba(var(--bg-rgb), 0.78) 0%, rgba(var(--bg-rgb), 0.4) 55%, transparent 100%);
}

.hero-inner {
  position: relative;
  z-index: 3;
  text-align: center;
  max-width: 780px;
}

.pill {
  display: inline-flex;
  align-items: center;
  padding: 8px 18px;
  border-radius: var(--radius-pill);
  background: rgba(var(--accent-rgb), 0.08);
  border: 1px solid var(--border);
  color: var(--accent);
  font-weight: 600;
  font-size: 0.85rem;
  letter-spacing: 0.02em;
  margin-bottom: 24px;
}

.hero-headline {
  font-size: clamp(2.2rem, 5.4vw, 3.6rem);
  font-weight: 800;
  line-height: 1.14;
  color: var(--text);
  letter-spacing: -0.01em;
}

.gradient-text {
  background: linear-gradient(100deg, var(--accent-deep), var(--accent) 60%, #B8FFF0);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero-subtext {
  margin: 24px auto 0;
  max-width: 600px;
  font-size: 1.08rem;
  color: var(--text-soft);
}

.hero-actions {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-top: 36px;
}

.hero-stats {
  display: flex;
  justify-content: center;
  gap: 48px;
  flex-wrap: wrap;
  margin-top: 64px;
}
.stat { display: flex; flex-direction: column; gap: 4px; }
.stat-value {
  font-size: 1.7rem;
  font-weight: 800;
  color: var(--accent);
}
.stat-label {
  font-size: 0.88rem;
  color: var(--text-soft);
}

/* ---------- Sections (generic) ---------- */
.section { padding: 96px 0; }
.section-tint { background: var(--bg-tint); }

.section-head {
  text-align: center;
  max-width: 620px;
  margin: 0 auto 52px;
}
.eyebrow {
  color: var(--accent-soft);
  font-weight: 700;
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 10px;
}
.section-head h2, .about-text h2 {
  font-size: clamp(1.7rem, 3.4vw, 2.3rem);
  font-weight: 800;
  color: var(--accent);
  letter-spacing: -0.01em;
}
.section-subtitle {
  margin-top: 14px;
  color: var(--text-soft);
  font-size: 1rem;
}

.grid { display: grid; gap: 28px; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }

/* ---------- Cards ---------- */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--shadow-sm);
  transition: transform 0.35s var(--ease), box-shadow 0.35s var(--ease), border-color 0.35s var(--ease);
}
.card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
  border-color: var(--accent-deep);
}

.card-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, rgba(var(--accent-rgb), 0.16), rgba(var(--accent-rgb), 0.05));
  color: var(--accent);
  margin-bottom: 20px;
}
.card-icon svg { width: 26px; height: 26px; }

.card h3 { font-size: 1.2rem; font-weight: 700; color: var(--accent); margin-bottom: 6px; }
.card-subtitle { color: var(--accent-soft); font-weight: 500; font-size: 0.94rem; margin-bottom: 18px; }
.card p { color: var(--text-soft); }

.check-list li {
  position: relative;
  padding-left: 26px;
  margin-bottom: 11px;
  font-size: 0.94rem;
  color: var(--text);
}
.check-list li:last-child { margin-bottom: 0; }
.check-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 6px;
  width: 15px;
  height: 15px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent-deep));
}
.check-list li::after {
  content: "";
  position: absolute;
  left: 4.5px;
  top: 9px;
  width: 6px;
  height: 3px;
  border-left: 2px solid #fff;
  border-bottom: 2px solid #fff;
  transform: rotate(-45deg);
}

/* ---------- Cases / Automation cards ---------- */
.case-card p { margin-bottom: 18px; }
.tag {
  display: inline-block;
  padding: 5px 13px;
  border-radius: var(--radius-pill);
  background: rgba(var(--accent-rgb), 0.1);
  color: var(--accent);
  font-weight: 700;
  font-size: 0.76rem;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  margin-bottom: 14px;
}

/* ---------- Portfolio ----------
   .portfolio-card is an <a> (whole card is clickable, opens in a
   new tab) styled with the same .card look. .portfolio-thumb is a
   CSS gradient placeholder with the project's initials — swap it
   for a real <img> once you have actual screenshots. */
.portfolio-card {
  display: flex;
  flex-direction: column;
  padding: 20px;
}
.portfolio-thumb {
  aspect-ratio: 16 / 10;
  border-radius: var(--radius-md);
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, rgba(var(--accent-rgb), 0.28), rgba(var(--accent-rgb), 0.06));
  color: var(--accent);
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  font-size: 2rem;
  letter-spacing: 0.04em;
}
.portfolio-card h3 { padding: 0 12px; }
.portfolio-card p { padding: 0 12px; color: var(--text-soft); flex-grow: 1; margin-top: 4px; }
.portfolio-link {
  margin: 14px 12px 4px;
  color: var(--accent);
  font-weight: 600;
  font-size: 0.9rem;
  transition: gap 0.2s var(--ease);
}

/* ---------- Why Me ----------
   .why-card reuses the base .card look; .step-num (the numbered
   circle badge) is shared with nothing else on the page now but
   keeps its generic name in case it's reused again later. */
.why-card { text-align: center; }
.step-num {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 46px;
  height: 46px;
  margin: 0 auto 16px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent-deep));
  color: #06231D;
  font-weight: 800;
  font-size: 1.05rem;
  box-shadow: var(--shadow-sm), var(--glow-sm);
}

/* ---------- Card tilt-on-hover ----------
   Applied via the .tilt-card class (Services / Portfolio / Automation
   cards). js/main.js tracks the cursor position over each card and
   sets the --tilt-rx / --tilt-ry / --tilt-glow-x / --tilt-glow-y
   custom properties read below; it never runs at all when the
   visitor has prefers-reduced-motion set, so those cards just behave
   like any other .card for them. */
.tilt-card {
  position: relative;
  transform: perspective(900px) rotateX(var(--tilt-rx, 0deg)) rotateY(var(--tilt-ry, 0deg)) scale(var(--tilt-scale, 1));
  transition: transform 0.25s var(--ease), box-shadow 0.35s var(--ease), border-color 0.35s var(--ease);
}
.tilt-card:hover {
  box-shadow: var(--shadow-md), var(--glow-sm);
  border-color: var(--accent-deep);
}
.tilt-card::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: radial-gradient(circle at var(--tilt-glow-x, 50%) var(--tilt-glow-y, 50%), rgba(var(--accent-rgb), 0.16), transparent 55%);
  opacity: 0;
  transition: opacity 0.3s var(--ease);
  pointer-events: none;
}
.tilt-card:hover::before { opacity: 1; }

/* ---------- Testimonials ----------
   .testimonial-card reuses the base .card look (same radius,
   border, background and hover-lift as Services/Cases cards) —
   only the internals below are specific to this section. */
.testimonial-card {
  display: flex;
  flex-direction: column;
}
.stars {
  color: var(--accent);
  font-size: 1.1rem;
  letter-spacing: 3px;
  margin-bottom: 16px;
}
.testimonial-text {
  color: var(--text);
  font-size: 0.96rem;
  line-height: 1.7;
  flex-grow: 1;
  margin-bottom: 24px;
}
.testimonial-author {
  display: flex;
  align-items: center;
  gap: 14px;
}
.avatar {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent-deep));
  color: #06231D;
  font-weight: 700;
  font-size: 0.85rem;
  letter-spacing: 0.02em;
}
.author-name { font-weight: 700; color: var(--accent); font-size: 0.95rem; }
.author-role { color: var(--text-soft); font-size: 0.85rem; margin-top: 2px; }

/* ---------- Pricing ---------- */
.pricing-group-title {
  text-align: center;
  color: var(--accent-soft);
  font-weight: 700;
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin: 0 0 24px;
}
.pricing-grid + .pricing-group-title { margin-top: 56px; }
.pricing-grid { align-items: stretch; }
.price-card {
  display: flex;
  flex-direction: column;
  position: relative;
  text-align: left;
}
.price-card h3 { font-size: 1.15rem; }
.price-row { margin-top: 4px; }
.price-from { color: var(--text-soft); font-size: 0.9rem; margin-right: 4px; }
.price-amount { font-size: 2rem; font-weight: 800; color: var(--accent); }
.price-sub { color: var(--text-soft); font-size: 0.92rem; margin-bottom: 20px; }
.price-amount-sm { font-weight: 700; color: var(--accent-soft); }
.price-card .check-list { margin-bottom: 26px; flex-grow: 1; }

.price-card-popular {
  border-color: var(--accent);
  box-shadow: var(--shadow-md), var(--glow-sm);
  transform: scale(1.03);
}
.price-card-popular:hover { transform: scale(1.03) translateY(-6px); }
.badge-popular {
  position: absolute;
  top: -14px;
  right: 24px;
  background: linear-gradient(135deg, var(--accent), var(--accent-deep));
  color: #06231D;
  font-size: 0.76rem;
  font-weight: 700;
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  box-shadow: var(--shadow-sm);
}

/* Bundle callout: website + automation discount banner */
.bundle-callout {
  display: flex;
  align-items: center;
  gap: 20px;
  max-width: 760px;
  margin: 56px auto 0;
  padding: 24px 28px;
  border-radius: var(--radius-lg);
  background: var(--surface);
  border: 1px solid var(--accent);
  box-shadow: var(--glow-sm);
}
.bundle-badge {
  flex-shrink: 0;
  padding: 8px 16px;
  border-radius: var(--radius-pill);
  background: linear-gradient(135deg, var(--accent), var(--accent-deep));
  color: #06231D;
  font-weight: 800;
  font-size: 0.8rem;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}
.bundle-title { color: var(--accent); font-weight: 700; font-size: 1.02rem; }
.bundle-desc { color: var(--text-soft); font-size: 0.9rem; margin-top: 4px; }

/* Maintenance / support plans */
.maintenance-block {
  max-width: 560px;
  margin: 28px auto 0;
  padding: 32px;
  text-align: center;
  border-radius: var(--radius-lg);
  background: var(--surface);
  border: 1px solid var(--border);
}
.maintenance-block h3 { color: var(--accent); font-size: 1.1rem; margin-bottom: 8px; }
.maintenance-range { color: var(--text); font-weight: 700; font-size: 1.15rem; margin-bottom: 8px; }
.maintenance-block p:last-child { color: var(--text-soft); font-size: 0.92rem; }

.addons {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  margin-top: 44px;
}
.addon-pill {
  padding: 9px 16px;
  border-radius: var(--radius-pill);
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--accent-soft);
  font-size: 0.85rem;
  font-weight: 500;
}

.pricing-disclaimer {
  max-width: 640px;
  margin: 32px auto 0;
  text-align: center;
  color: var(--text-soft);
  font-size: 0.85rem;
  font-style: italic;
}

/* ---------- About ---------- */
.about-inner {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 60px;
  align-items: center;
}

.about-visual {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 320px;
}
.core {
  position: relative;
  width: 190px;
  height: 190px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.core-glow {
  width: 78px;
  height: 78px;
  border-radius: 50%;
  background: radial-gradient(circle, #CFFFF6 0%, var(--accent) 55%, var(--accent-deep) 100%);
  box-shadow: 0 0 50px 14px rgba(var(--accent-rgb), 0.45);
  animation: pulse 3.2s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { transform: scale(1); box-shadow: 0 0 50px 14px rgba(var(--accent-rgb), 0.4); }
  50% { transform: scale(1.08); box-shadow: 0 0 66px 20px rgba(var(--accent-rgb), 0.6); }
}
.ring {
  position: absolute;
  border: 1.5px solid rgba(var(--accent-rgb), 0.2);
  border-radius: 50%;
}
.ring-1 { width: 120px; height: 120px; animation: spin 9s linear infinite; border-top-color: var(--accent); }
.ring-2 { width: 156px; height: 156px; animation: spin 14s linear infinite reverse; border-right-color: var(--accent); }
.ring-3 { width: 190px; height: 190px; animation: spin 20s linear infinite; border-bottom-color: var(--accent-soft); }
@keyframes spin { to { transform: rotate(360deg); } }

.about-text p { color: var(--text-soft); margin-top: 18px; max-width: 520px; }
.about-text h2 { margin-top: 6px; }

.tech-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 28px;
}
.tech-tag {
  padding: 8px 15px;
  border-radius: var(--radius-pill);
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--accent-soft);
  font-size: 0.85rem;
  font-weight: 600;
}

/* ---------- Contact / CTA ---------- */
.contact-box {
  max-width: 640px;
  margin: 0 auto;
  text-align: center;
  padding: 64px 40px;
  border-radius: var(--radius-lg);
  background: linear-gradient(160deg, #102943, #0B1826);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-md), var(--glow-sm);
}
.contact-box h2 {
  font-size: clamp(1.6rem, 3.2vw, 2.1rem);
  font-weight: 800;
  color: var(--accent);
}
.contact-box p {
  color: var(--text-soft);
  margin-top: 14px;
  margin-bottom: 32px;
}

/* Secondary channel list below the primary Telegram button */
.contact-channels {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 24px;
  margin-top: 36px;
}
.contact-channel {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--text-soft);
  font-size: 0.85rem;
  font-weight: 600;
  transition: color 0.2s var(--ease);
}
.contact-channel:hover { color: var(--accent); }
.channel-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--accent);
  transition: border-color 0.2s var(--ease), transform 0.2s var(--ease);
}
.channel-icon svg { width: 20px; height: 20px; }
.contact-channel:hover .channel-icon { border-color: var(--accent); transform: translateY(-3px); }

/* ---------- Footer ---------- */
.footer {
  border-top: 1px solid var(--border);
  padding: 36px 0;
}
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}
.footer-copy { color: var(--text-soft); font-size: 0.88rem; }
.footer-links { display: flex; gap: 22px; }
.footer-links a {
  color: var(--text-soft);
  font-size: 0.9rem;
  font-weight: 500;
  transition: color 0.2s var(--ease);
}
.footer-links a:hover { color: var(--accent); }

/* ---------- Ambient particle background ----------
   #ambientCanvas is a single fixed, full-viewport layer drawn by
   js/ambient-particles.js — a much cheaper canvas2D effect (not
   WebGL) that only runs once the hero has scrolled out of view, so
   it never competes with the hero's own richer scene. Low opacity
   + "screen" blend mode means it only ever adds faint glowing dots,
   never a visible box. To retune density/speed/color see the
   CONFIG block at the top of that file. */
.ambient-canvas {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 2;
  pointer-events: none;
  opacity: 0.3;
  mix-blend-mode: screen;
}

/* ---------- Reveal-on-scroll ---------- */
.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.6s var(--ease), transform 0.6s var(--ease);
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; }
}

/* ---------- Wave dividers between sections ----------
   Each divider's own background matches the section ABOVE it
   (so its top edge is seamless); the SVG path is filled with
   the color of the section BELOW it, creating the curve. Set
   which colors via the --div-bg / --div-fill custom props on
   the element, e.g. style="--div-bg:var(--bg); --div-fill:var(--bg-tint);"
   ---------------------------------------------------------- */
.wave-divider {
  display: block;
  width: 100%;
  height: 64px;
  line-height: 0;
  background: var(--div-bg, var(--bg));
}
.wave-divider svg {
  width: 100%;
  height: 100%;
  display: block;
}
.wave-divider path {
  fill: var(--div-fill, var(--bg-tint));
  filter: drop-shadow(0 -1px 5px rgba(var(--accent-rgb), 0.16));
}
.wave-divider.flip { transform: scaleX(-1); }

/* =========================================================
   Responsive
   ========================================================= */
@media (max-width: 980px) {
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .about-inner { grid-template-columns: 1fr; text-align: center; }
  .about-visual { height: 240px; }
  .about-text p { margin-left: auto; margin-right: auto; }
  .tech-tags { justify-content: center; }
  .price-card-popular { transform: scale(1); }
  .price-card-popular:hover { transform: translateY(-6px); }
  .bundle-callout { flex-direction: column; text-align: center; }
}

@media (max-width: 760px) {
  .nav-links {
    position: absolute;
    top: var(--nav-h);
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
    background: var(--bg);
    padding: 12px 24px 20px;
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow-md);
    transform-origin: top;
    transform: scaleY(0);
    opacity: 0;
    pointer-events: none;
    transition: transform 0.25s var(--ease), opacity 0.25s var(--ease);
  }
  .nav-links.is-open {
    transform: scaleY(1);
    opacity: 1;
    pointer-events: auto;
  }
  .nav-links a { padding: 10px 0; width: 100%; }

  .nav-burger { display: flex; }
  .brand-name { display: none; }

  .grid-2, .grid-3 { grid-template-columns: 1fr; }

  .hero { padding: 72px 0 56px; }
  .hero-stats { gap: 30px; }
  .section { padding: 68px 0; }

  .contact-box { padding: 48px 22px; }
  .contact-channels { gap: 18px; }

  .wave-divider { height: 36px; }

  .pricing-grid + .pricing-group-title { margin-top: 40px; }
  .bundle-callout { margin-top: 40px; padding: 20px; }
  .maintenance-block { padding: 24px; }

  /* Tilt-on-hover only makes sense with a real cursor; js/main.js
     already skips attaching the listeners on touch devices, this
     just guarantees no leftover static tilt if a value ever sticks. */
  .tilt-card { transform: none !important; }
}

@media (max-width: 420px) {
  .nav-actions { gap: 8px; }
  .lang-btn { padding: 6px 8px; font-size: 0.74rem; }
  .btn-sm { padding: 9px 14px; font-size: 0.84rem; }
  .portfolio-thumb { font-size: 1.6rem; }
}