/* =====================================================================
   A-One — Shared Design System
   Space Grotesk (display) + Manrope (body) · Emerald accent
   Light + Dark themes via [data-theme] on <html>
   ===================================================================== */

/* ---------- Design tokens ---------- */
:root {
  /* Accent — emerald, tuned to pop on both themes */
  --accent: #10b981;
  --accent-strong: #059669;
  --accent-soft: rgba(16, 185, 129, 0.12);
  --accent-glow: rgba(16, 185, 129, 0.35);

  /* Light theme (default) — crisp, airy, corporate */
  --bg: #ffffff;
  --bg-alt: #f6f7f9;
  --bg-elev: #ffffff;
  --surface: #ffffff;
  --text: #0d0f12;
  --text-soft: #3d4452;
  --text-muted: #6b7280;
  --border: #e7eaee;
  --border-strong: #d6dae0;
  --shadow-sm: 0 1px 2px rgba(13, 15, 18, 0.04), 0 2px 8px rgba(13, 15, 18, 0.04);
  --shadow-md: 0 8px 24px rgba(13, 15, 18, 0.08);
  --shadow-lg: 0 24px 60px rgba(13, 15, 18, 0.12);
  --grid-line: rgba(13, 15, 18, 0.045);
  --spot: rgba(16, 185, 129, 0.15);
  --spot-core: rgba(16, 185, 129, 0.45);
  --hero-glow-1: rgba(16, 185, 129, 0.16);
  --hero-glow-2: rgba(59, 130, 246, 0.08);
  /* Type */
  --font-display: "Space Grotesk", ui-sans-serif, system-ui, sans-serif;
  --font-body: "Manrope", ui-sans-serif, system-ui, sans-serif;
  --font-mono: "Space Mono", ui-monospace, "SFMono-Regular", monospace;

  /* Geometry */
  --radius-sm: 8px;
  --radius: 14px;
  --radius-lg: 22px;
  --radius-xl: 30px;
  --maxw: 1200px;
  --nav-h: 74px;

  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

[data-theme="dark"] {
  /* Dark theme — obsidian, sleek, high-performance */
  --bg: #0a0c10;
  --bg-alt: #0e1117;
  --bg-elev: #14181f;
  --surface: #14181f;
  --text: #f3f5f8;
  --text-soft: #c2c9d4;
  --text-muted: #8a93a3;
  --border: #232a34;
  --border-strong: #313a47;
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.4);
  --shadow-md: 0 12px 30px rgba(0, 0, 0, 0.45);
  --shadow-lg: 0 30px 70px rgba(0, 0, 0, 0.55);
  --grid-line: rgba(255, 255, 255, 0.04);
  --spot: rgba(16, 185, 129, 0.10);
  --spot-core: rgba(16, 185, 129, 0.30);
  --hero-glow-1: rgba(16, 185, 129, 0.22);
  --hero-glow-2: rgba(99, 102, 241, 0.14);
  --accent-soft: rgba(16, 185, 129, 0.16);
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; padding: 0; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
/* reduced-motion overrides disabled for demonstration purposes */

body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  font-size: 17px;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
  transition: background 0.4s var(--ease), color 0.4s var(--ease);
}

img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; border: none; background: none; color: inherit; }
ul { list-style: none; }

::selection { background: var(--accent); color: #fff; }

/* ---------- Cursor spotlight ---------- */
#spotlight {
  position: fixed;
  top: 0; left: 0;
  width: 100vw; height: 100vh;
  pointer-events: none;
  z-index: 99;
  opacity: 0;
  transition: opacity 0.5s ease;
  background: radial-gradient(
    300px circle at var(--mx, 50%) var(--my, 30%),
    var(--spot-core) 0%,
    var(--spot) 40%,
    transparent 70%
  );
}
body.spotlight-on #spotlight { opacity: 1; }

/* ---------- Typography ---------- */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: var(--text);
}
.display {
  font-size: clamp(2.6rem, 6vw, 4.6rem);
  font-weight: 600;
  letter-spacing: -0.03em;
}
h2.section-title { font-size: clamp(2rem, 4vw, 3rem); letter-spacing: -0.025em; }
h3 { font-size: 1.4rem; }
p { text-wrap: pretty; }
.lead { font-size: clamp(1.05rem, 1.6vw, 1.3rem); color: var(--text-soft); line-height: 1.55; }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent-strong);
  font-weight: 700;
}
[data-theme="dark"] .eyebrow { color: var(--accent); }
.eyebrow::before {
  content: "";
  width: 22px; height: 1px;
  background: var(--accent);
}
.accent-text { color: var(--accent-strong); }
[data-theme="dark"] .accent-text { color: var(--accent); }

/* ---------- Layout ---------- */
.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 28px; }
.section { padding: clamp(72px, 11vw, 140px) 0; position: relative; }
.section--alt { background: var(--bg-alt); }
.center { text-align: center; }
.section-head { max-width: 720px; margin: 0 auto 60px; }
.section-head.left { margin-left: 0; }
.section-head p { margin-top: 18px; }
.relative { position: relative; z-index: 2; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  padding: 14px 26px;
  border-radius: 999px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.98rem;
  letter-spacing: -0.01em;
  transition: transform 0.25s var(--ease), box-shadow 0.25s var(--ease),
    background 0.25s var(--ease), border-color 0.25s var(--ease), color 0.25s var(--ease);
  white-space: nowrap;
}
.btn svg { width: 18px; height: 18px; }
.btn-primary {
  background: var(--accent);
  color: #04130d;
  box-shadow: 0 8px 24px var(--accent-glow);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 14px 34px var(--accent-glow); background: var(--accent-strong); color: #fff; }
.btn-ghost {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border-strong);
}
.btn-ghost:hover { border-color: var(--accent); color: var(--accent-strong); transform: translateY(-2px); }
[data-theme="dark"] .btn-ghost:hover { color: var(--accent); }
.btn-lg { padding: 17px 34px; font-size: 1.05rem; }

/* ---------- Navigation ---------- */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  background: color-mix(in srgb, var(--bg) 78%, transparent);
  backdrop-filter: saturate(150%) blur(14px);
  -webkit-backdrop-filter: saturate(150%) blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s var(--ease), background 0.3s var(--ease);
}
.nav.scrolled { border-bottom-color: var(--border); }
.nav .container { display: flex; align-items: center; justify-content: space-between; }

/* Logo / wordmark */
.brand { display: flex; align-items: center; gap: 11px; }
.brand-mark {
  width: 34px; height: 34px;
  border-radius: 9px;
  background: linear-gradient(140deg, var(--accent), var(--accent-strong));
  display: grid;
  place-items: center;
  font-family: var(--font-display);
  font-weight: 700;
  color: #04130d;
  font-size: 1.05rem;
  box-shadow: 0 4px 14px var(--accent-glow);
  position: relative;
  overflow: hidden;
  animation: pulse-glow 3s ease-in-out infinite;
}
.brand-mark::after {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(140deg, rgba(255,255,255,0.4), transparent 55%);
}
.brand-name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.3rem;
  letter-spacing: -0.03em;
  white-space: nowrap;
}
.brand-name .dash { color: var(--accent-strong); }
[data-theme="dark"] .brand-name .dash { color: var(--accent); }

.nav-links { display: flex; align-items: center; gap: 6px; }
.nav-links a {
  padding: 9px 15px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.96rem;
  color: var(--text-soft);
  transition: color 0.2s, background 0.2s;
}
.nav-links a:hover { color: var(--text); background: var(--bg-alt); }
.nav-links a.active { color: var(--accent-strong); }
[data-theme="dark"] .nav-links a.active { color: var(--accent); }
[data-theme="dark"] .nav-links a:hover { background: var(--bg-elev); }

.nav-right { display: flex; align-items: center; gap: 14px; }

/* Theme toggle */
.theme-toggle {
  position: relative;
  width: 56px; height: 30px;
  border-radius: 999px;
  background: var(--bg-alt);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  padding: 0 4px;
  transition: background 0.3s var(--ease), border-color 0.3s;
  flex-shrink: 0;
}
.theme-toggle:hover { border-color: var(--border-strong); }
.theme-toggle .knob {
  position: absolute;
  width: 22px; height: 22px;
  border-radius: 50%;
  background: var(--bg-elev);
  box-shadow: var(--shadow-sm);
  display: grid; place-items: center;
  transform: translateX(0);
  transition: transform 0.35s var(--ease);
  color: var(--accent-strong);
}
[data-theme="dark"] .theme-toggle .knob { transform: translateX(26px); color: var(--accent); }
.theme-toggle .knob svg { width: 14px; height: 14px; }
.theme-toggle .icon-sun, .theme-toggle .icon-moon {
  position: absolute; transition: opacity 0.3s, transform 0.3s;
}
.theme-toggle .icon-moon { opacity: 0; transform: scale(0.5) rotate(-40deg); }
[data-theme="dark"] .theme-toggle .icon-sun { opacity: 0; transform: scale(0.5) rotate(40deg); }
[data-theme="dark"] .theme-toggle .icon-moon { opacity: 1; transform: scale(1) rotate(0); }

/* Mobile nav */
.nav-toggle { display: none; width: 42px; height: 42px; border-radius: 10px; align-items: center; justify-content: center; border: 1px solid var(--border); }
.nav-toggle svg { width: 22px; height: 22px; }
.mobile-menu {
  position: fixed;
  inset: var(--nav-h) 0 auto 0;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
  padding: 18px 28px 30px;
  display: none;
  flex-direction: column;
  gap: 6px;
  z-index: 99;
  box-shadow: var(--shadow-lg);
}
.mobile-menu.open { display: flex; animation: slideDown 0.3s var(--ease); }
.mobile-menu a { padding: 13px 8px; font-family: var(--font-display); font-weight: 600; font-size: 1.15rem; border-bottom: 1px solid var(--border); color: var(--text-soft); }
.mobile-menu a:last-of-type { border-bottom: none; }
.mobile-menu a.active { color: var(--accent-strong); }
.mobile-menu .btn { margin-top: 14px; }
@keyframes slideDown { from { opacity: 0; transform: translateY(-12px); } to { opacity: 1; transform: translateY(0); } }

@media (max-width: 880px) {
  .nav-links { display: none; }
  .nav-toggle { display: flex; }
  .nav-right .btn { display: none; }
}

/* ---------- Hero ---------- */
.hero { position: relative; padding-top: clamp(60px, 9vw, 110px); padding-bottom: clamp(60px, 9vw, 120px); overflow: hidden; }
.hero-bg {
  position: absolute; inset: 0; z-index: 0; pointer-events: none;
}
.hero-bg::before, .hero-bg::after {
  content: ""; position: absolute; inset: -20%;
  border-radius: 50%; filter: blur(80px); opacity: 0.8;
  z-index: 0;
}
.hero-bg::before {
  top: -20%; right: -10%; width: 60%; height: 60%;
  background: var(--hero-glow-1);
  animation: orb-float 15s ease-in-out infinite;
}
.hero-bg::after {
  top: 10%; left: -10%; width: 50%; height: 50%;
  background: var(--hero-glow-2);
  animation: orb-float-alt 18s ease-in-out infinite;
}
.grid-overlay {
  position: absolute; inset: 0; z-index: 0; pointer-events: none;
  background-image:
    linear-gradient(var(--grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
  background-size: 58px 58px;
  -webkit-mask-image: radial-gradient(75% 75% at 50% 30%, #000, transparent 100%);
  mask-image: radial-gradient(75% 75% at 50% 30%, #000, transparent 100%);
}
.hero-inner { position: relative; z-index: 2; max-width: 920px; }
.hero h1 { margin: 22px 0 24px; }
.hero .lead { max-width: 600px; }
.hero-cta { display: flex; gap: 14px; margin-top: 36px; flex-wrap: wrap; }

/* ---------- Floating chips ---------- */
.tag-row { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 14px; }
.tag {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  padding: 7px 13px;
  border-radius: 999px;
  border: 1px solid var(--border);
  color: var(--text-soft);
  background: var(--surface);
}

/* ---------- Tech stack graph ---------- */
.stack-graph { position: relative; height: 460px; margin-top: -30px; pointer-events: none; }
.stack-graph svg { width: 100%; height: 100%; overflow: visible; }
.stack-graph-mobile { display: none; position: relative; pointer-events: none; margin-top: 40px; }
.stack-graph-mobile svg { width: 100%; height: auto; overflow: visible; }
.graph-node { animation: graph-pulse 4s ease-in-out infinite; }
.graph-node:nth-child(2) { animation-delay: .3s; }
.graph-node:nth-child(3) { animation-delay: .6s; }
.graph-node:nth-child(4) { animation-delay: .9s; }
.graph-node:nth-child(5) { animation-delay: 1.2s; }
.graph-node:nth-child(6) { animation-delay: 1.5s; }
.graph-node:nth-child(7) { animation-delay: 1.8s; }
.graph-node:nth-child(8) { animation-delay: 2.1s; }
@keyframes graph-pulse {
  0%,100% { opacity: 1; transform: scale(1); }
  50% { opacity: .6; transform: scale(1.08); }
}
.graph-orbit { animation: graph-orbit 24s linear infinite; transform-origin: center; }
.graph-orbit.rev { animation-direction: reverse; animation-duration: 32s; }
@keyframes graph-orbit { to { transform: rotate(360deg); } }
@media (max-width: 640px) {
  .stack-graph { display: none; }
  .stack-graph-mobile { display: block; }
}
/* ---------- Cards ---------- */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease), border-color 0.3s var(--ease);
  position: relative;
  overflow: hidden;
}
.card > * { position: relative; z-index: 2; }
[data-tilt]::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: radial-gradient(800px circle at var(--px, 50%) var(--py, 50%), rgba(255,255,255,0.06), transparent 40%);
  z-index: 1;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.4s var(--ease);
}
[data-theme="light"] [data-tilt]::before {
  background: radial-gradient(800px circle at var(--px, 50%) var(--py, 50%), rgba(16,185,129,0.1), transparent 40%);
}
[data-tilt]:hover::before { opacity: 1; }

.card::after {
  content: "";
  position: absolute;
  top: 0; bottom: 0; width: 60%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.06), transparent);
  transform: translateX(-120%) skewX(-20deg);
  pointer-events: none;
  z-index: 1;
}
[data-theme="dark"] .card::after { background: linear-gradient(90deg, transparent, rgba(255,255,255,0.04), transparent); }
.card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); border-color: var(--accent-soft); }
.card:hover::after { animation: shimmer 0.75s var(--ease) forwards; }
.card-icon {
  width: 52px; height: 52px;
  border-radius: 13px;
  display: grid; place-items: center;
  background: var(--accent-soft);
  color: var(--accent-strong);
  margin-bottom: 22px;
}
[data-theme="dark"] .card-icon { color: var(--accent); }
.card-icon svg { width: 26px; height: 26px; }
.card h3 { margin-bottom: 10px; }
.card p { color: var(--text-muted); font-size: 0.98rem; }
.card-link { display: inline-flex; align-items: center; gap: 6px; margin-top: 18px; font-weight: 600; color: var(--accent-strong); font-size: 0.95rem; }
[data-theme="dark"] .card-link { color: var(--accent); }
.card-link svg { width: 16px; height: 16px; transition: transform 0.25s var(--ease); }
.card:hover .card-link svg { transform: translateX(4px); }

.grid { display: grid; gap: 22px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 980px) { .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 620px) { .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; } }

/* ---------- Keyframes ---------- */
@keyframes float { 0%,100% { transform: translateY(0) } 50% { transform: translateY(-10px) } }
@keyframes orb-float {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(30px, -50px) scale(1.1); }
  66% { transform: translate(-20px, 20px) scale(0.9); }
}
@keyframes orb-float-alt {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(-40px, 30px) scale(0.95); }
  66% { transform: translate(20px, -40px) scale(1.05); }
}
@keyframes pulse-glow { 0%,100% { box-shadow: 0 4px 14px var(--accent-glow) } 50% { box-shadow: 0 4px 32px var(--accent-glow), 0 0 0 10px var(--accent-soft) } }
@keyframes shimmer { 0% { transform: translateX(-100%) skewX(-20deg); opacity: 0 } 40% { opacity: 1 } 100% { transform: translateX(200%) skewX(-20deg); opacity: 0 } }
@keyframes gradient-pan { 0%,100% { background-position: 0% 50% } 50% { background-position: 100% 50% } }
@keyframes count-pop { 0% { transform: scale(1.15); opacity: 0.6 } 100% { transform: scale(1); opacity: 1 } }

/* ---------- Reveal animation ---------- */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity 1.2s var(--ease), transform 1.2s var(--ease); }
.reveal.in { opacity: 1; transform: none; }
.reveal[data-delay="1"] { transition-delay: 0.20s; }
.reveal[data-delay="2"] { transition-delay: 0.40s; }
.reveal[data-delay="3"] { transition-delay: 0.60s; }
.reveal[data-delay="4"] { transition-delay: 0.80s; }
.reveal[data-delay="5"] { transition-delay: 1.00s; }
.reveal[data-delay="6"] { transition-delay: 1.20s; }
.reveal-left { opacity: 0; transform: translateX(-32px); transition: opacity 1.2s var(--ease), transform 1.2s var(--ease); }
.reveal-left.in { opacity: 1; transform: none; }
.reveal-right { opacity: 0; transform: translateX(32px); transition: opacity 1.2s var(--ease), transform 1.2s var(--ease); }
.reveal-right.in { opacity: 1; transform: none; }

/* ---------- CTA band ---------- */
.cta-band { position: relative; overflow: hidden; border-radius: var(--radius-xl); padding: clamp(48px, 7vw, 86px); background: var(--text); color: var(--bg); text-align: center; }
[data-theme="dark"] .cta-band { background: linear-gradient(150deg, #11161d, #0a0c10); border: 1px solid var(--border); }
.cta-band::before {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(50% 80% at 50% 0%, var(--accent-glow), transparent 70%);
  opacity: 0.6;
  animation: gradient-pan 6s ease infinite;
  background-size: 200% 200%;
}
.cta-band > * { position: relative; z-index: 2; }
.cta-band h2 { color: #fff; }
[data-theme="dark"] .cta-band h2 { color: var(--text); }
.cta-band p { color: rgba(255,255,255,0.7); max-width: 540px; margin: 18px auto 32px; }
[data-theme="dark"] .cta-band p { color: var(--text-soft); }

/* ---------- Footer ---------- */
.footer { background: var(--bg-alt); border-top: 1px solid var(--border); padding: 70px 0 34px; }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 40px; }
@media (max-width: 820px) { .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; } }
@media (max-width: 480px) { .footer-grid { grid-template-columns: 1fr; } }
.footer h4 { font-family: var(--font-mono); font-size: 0.76rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--text-muted); font-weight: 700; margin-bottom: 18px; }
.footer ul { display: flex; flex-direction: column; gap: 11px; }
.footer ul a { color: var(--text-soft); font-size: 0.96rem; transition: color 0.2s; }
.footer ul a:hover { color: var(--accent-strong); }
[data-theme="dark"] .footer ul a:hover { color: var(--accent); }
.footer-about p { color: var(--text-muted); font-size: 0.96rem; margin: 16px 0; max-width: 280px; }
.footer-bottom { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 14px; margin-top: 56px; padding-top: 26px; border-top: 1px solid var(--border); color: var(--text-muted); font-size: 0.88rem; }

/* ---------- FAQ accordion ---------- */
.faq { max-width: 780px; margin: 0 auto; display: flex; flex-direction: column; gap: 0; }
.faq-item { border-top: 1px solid var(--border); }
.faq-item:last-child { border-bottom: 1px solid var(--border); }
.faq-q {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding: 22px 4px;
  text-align: left;
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text);
  transition: color 0.2s var(--ease);
}
.faq-q svg { width: 20px; height: 20px; flex-shrink: 0; color: var(--accent); transition: transform 0.3s var(--ease); }
.faq-q:hover { color: var(--accent-strong); }
[data-theme="dark"] .faq-q:hover { color: var(--accent); }
.faq-item.open .faq-q svg { transform: rotate(180deg); }
.faq-a {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 0.35s var(--ease);
}
.faq-item.open .faq-a { grid-template-rows: 1fr; }
.faq-a > p {
  overflow: hidden;
  color: var(--text-soft);
  line-height: 1.7;
  font-size: 1rem;
  padding-bottom: 22px;
  padding-right: 36px;
}

/* ---------- Misc utilities ---------- */
.chip {
  display: inline-flex; align-items: center; gap: 7px;
  padding: 7px 14px; border-radius: 999px;
  background: var(--accent-soft); color: var(--accent-strong);
  font-family: var(--font-mono); font-size: 0.76rem; font-weight: 700;
  letter-spacing: 0.04em;
}
[data-theme="dark"] .chip { color: var(--accent); }
.divider { height: 1px; background: var(--border); border: none; margin: 0; }
.mono { font-family: var(--font-mono); }
.muted { color: var(--text-muted); }

/* ---------- Scroll-to-top button ---------- */
.scroll-top {
  position: fixed;
  bottom: 28px;
  right: 28px;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: var(--accent);
  color: #04130d;
  display: grid;
  place-items: center;
  box-shadow: 0 4px 16px var(--accent-glow);
  z-index: 50;
  opacity: 0;
  transform: translateY(14px);
  pointer-events: none;
  transition: opacity 0.3s var(--ease), transform 0.3s var(--ease),
    background 0.2s var(--ease), box-shadow 0.2s var(--ease);
}
.scroll-top.visible {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}
.scroll-top:hover {
  background: var(--accent-strong);
  box-shadow: 0 8px 28px var(--accent-glow);
  transform: translateY(-3px);
}
.scroll-top svg { width: 18px; height: 18px; }

/* ---------- Feature split (Services / About) ---------- */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(32px, 6vw, 80px); align-items: center; }
.split.reverse .split-media { order: 2; }
@media (max-width: 860px) { .split, .split.reverse { grid-template-columns: 1fr; } .split.reverse .split-media { order: 0; } }
.split-copy h2 { font-size: clamp(1.8rem, 3.2vw, 2.6rem); margin: 16px 0 18px; }
.split-copy .lead { margin-bottom: 22px; }
.feature-list { display: flex; flex-direction: column; gap: 14px; margin-top: 26px; }
.feature-list li { display: flex; gap: 13px; align-items: flex-start; color: var(--text-soft); }
.feature-list .tick { flex-shrink: 0; width: 24px; height: 24px; border-radius: 7px; background: var(--accent-soft); color: var(--accent-strong); display: grid; place-items: center; margin-top: 2px; }
[data-theme="dark"] .feature-list .tick { color: var(--accent); }
.feature-list .tick svg { width: 14px; height: 14px; }

/* Abstract media panel (no photos) */
.media-panel {
  position: relative;
  aspect-ratio: 4 / 3.2;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  background:
    radial-gradient(70% 80% at 70% 20%, var(--hero-glow-1), transparent 60%),
    var(--bg-alt);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  animation: float 6s ease-in-out infinite;
}
.media-panel .panel-grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(var(--grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
  background-size: 40px 40px;
}
.media-panel .panel-label {
  position: absolute; left: 18px; bottom: 16px;
  font-family: var(--font-mono); font-size: 0.72rem;
  color: var(--text-muted); letter-spacing: 0.05em;
}
.media-window {
  position: absolute; inset: 26px 26px auto 26px; top: 30px;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: 12px; box-shadow: var(--shadow-md); overflow: hidden;
}
.media-window .win-bar { display: flex; gap: 6px; padding: 11px 13px; border-bottom: 1px solid var(--border); }
.media-window .win-bar i { width: 10px; height: 10px; border-radius: 50%; background: var(--border-strong); display: block; }
.media-window .win-bar i:first-child { background: var(--accent); }
.media-window .win-body { padding: 16px; display: flex; flex-direction: column; gap: 9px; }
.skel { height: 10px; border-radius: 5px; background: var(--border); }
.skel.w-70 { width: 70%; } .skel.w-50 { width: 50%; } .skel.w-90 { width: 90%; } .skel.w-40 { width: 40%; }
.skel.accent { background: linear-gradient(90deg, var(--accent), var(--accent-strong)); width: 44%; height: 22px; border-radius: 7px; }

/* ---------- Tech stack ---------- */
.tech-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
@media (max-width: 860px) {
  .tech-grid { grid-template-columns: repeat(2, 1fr); }
  .tech-card .badge svg, .tech-card .badge img { width: 32px; height: 32px; }
}
@media (max-width: 480px) {
  .tech-grid { grid-template-columns: 1fr; }
  .tech-card .badge svg, .tech-card .badge img { width: 40px; height: 40px; }
}
.tech-card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 26px; transition: transform 0.3s var(--ease), border-color 0.3s, box-shadow 0.3s;
  overflow: hidden; position: relative;
}
.tech-card::after {
  content: "";
  position: absolute; top: 0; bottom: 0; width: 60%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.05), transparent);
  transform: translateX(-120%) skewX(-20deg);
  pointer-events: none;
}
.tech-card:hover { transform: translateY(-5px); border-color: var(--accent); box-shadow: 0 8px 24px var(--accent-soft); }
.tech-card:hover::after { animation: shimmer 0.75s var(--ease) forwards; }
.tech-card .badge { font-family: var(--font-mono); font-size: 1.5rem; font-weight: 700; color: var(--accent-strong); }
[data-theme="dark"] .tech-card .badge { color: var(--accent); }
.tech-card h4 { font-family: var(--font-display); font-size: 1.15rem; margin: 12px 0 6px; }
.tech-card p { color: var(--text-muted); font-size: 0.9rem; }

/* ---------- Process ---------- */
.process-card::before {
  content: var(--n);
  position: absolute; top: 14px; right: 20px;
  font-family: var(--font-mono); font-size: 4.5rem; font-weight: 700;
  color: var(--accent); opacity: 0.07; line-height: 1;
  pointer-events: none; z-index: 1;
}
[data-theme="dark"] .process-card::before { opacity: 0.14; }
.process-icon {
  width: 48px; height: 48px;
  border-radius: 12px;
  display: grid; place-items: center;
  background: var(--accent-soft);
  color: var(--accent-strong);
  margin-bottom: 18px;
}
[data-theme="dark"] .process-icon { color: var(--accent); }
.process-icon svg { width: 22px; height: 22px; }

/* ---------- Portfolio ---------- */
.work-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
@media (max-width: 760px) { .work-grid { grid-template-columns: 1fr; } }
.work-card {
  position: relative; border-radius: var(--radius-lg); overflow: hidden;
  border: 1px solid var(--border); background: var(--surface);
  transition: transform 0.35s var(--ease), box-shadow 0.35s var(--ease), border-color 0.35s;
}
.work-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: var(--border-strong); }
.work-thumb {
  position: relative; aspect-ratio: 16 / 10; overflow: hidden;
  background: var(--bg-alt);
}
.work-thumb .tgrid {
  position: absolute; inset: 0;
  background-image: linear-gradient(var(--grid-line) 1px, transparent 1px), linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
  background-size: 34px 34px;
}
.work-thumb .glow { position: absolute; inset: 0; }
.work-thumb .device {
  position: absolute; left: 50%; top: 56%; transform: translate(-50%, -50%);
  width: 74%; border-radius: 12px 12px 0 0; background: var(--surface);
  border: 1px solid var(--border); border-bottom: none; box-shadow: var(--shadow-md);
  transition: transform 0.4s var(--ease); overflow: hidden;
}
.work-card:hover .work-thumb .device { transform: translate(-50%, -54%); }
.work-thumb .device .win-bar { display: flex; gap: 5px; padding: 9px 11px; border-bottom: 1px solid var(--border); }
.work-thumb .device .win-bar i { width: 8px; height: 8px; border-radius: 50%; background: var(--border-strong); }
.work-thumb .device .win-bar i:first-child { background: var(--accent); }
.work-thumb .device .win-body { padding: 13px; display: flex; flex-direction: column; gap: 7px; }
.work-cat { position: absolute; top: 14px; left: 14px; z-index: 3; }
.work-info { padding: 24px 26px 28px; }
.work-info .work-meta { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 12px; }
.work-info h3 { font-size: 1.35rem; }
.work-info p { color: var(--text-muted); font-size: 0.96rem; margin-top: 8px; }
.work-result { display: flex; gap: 28px; margin-top: 18px; padding-top: 18px; border-top: 1px solid var(--border); }
.work-result .r .v { font-family: var(--font-display); font-weight: 700; font-size: 1.3rem; color: var(--accent-strong); }
[data-theme="dark"] .work-result .r .v { color: var(--accent); }
.work-result .r .k { font-size: 0.78rem; color: var(--text-muted); }
.work-tag { font-family: var(--font-mono); font-size: 0.72rem; padding: 5px 11px; border-radius: 999px; border: 1px solid var(--border); color: var(--text-soft); }

/* ---------- Contact form ---------- */
.contact-layout { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: clamp(32px, 5vw, 64px); align-items: start; }
@media (max-width: 880px) { .contact-layout { grid-template-columns: 1fr; } }
.form-card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: clamp(26px, 4vw, 42px); box-shadow: var(--shadow-sm); }
.field { margin-bottom: 20px; }
.field label { display: block; font-weight: 600; font-size: 0.92rem; margin-bottom: 8px; }
.field label .req { color: var(--accent-strong); }
.field input, .field textarea, .field select {
  width: 100%; padding: 13px 15px; border-radius: var(--radius-sm);
  border: 1px solid var(--border); background: var(--bg); color: var(--text);
  font-family: var(--font-body); font-size: 1rem; transition: border-color 0.2s, box-shadow 0.2s;
}
.field textarea { resize: vertical; min-height: 120px; }
.field input:focus, .field textarea:focus, .field select:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }
.field input.invalid, .field textarea.invalid, .field select.invalid { border-color: #ef4444; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
@media (max-width: 520px) { .field-row { grid-template-columns: 1fr; } }
.form-success { display: none; text-align: center; padding: 30px 10px; }
.form-success .check { width: 64px; height: 64px; border-radius: 50%; background: var(--accent-soft); color: var(--accent-strong); display: grid; place-items: center; margin: 0 auto 20px; }
[data-theme="dark"] .form-success .check { color: var(--accent); }
.form-success .check svg { width: 30px; height: 30px; }

.contact-detail { display: flex; gap: 15px; padding: 20px 0; border-bottom: 1px solid var(--border); }
.contact-detail:last-child { border-bottom: none; }
.contact-detail .ic { flex-shrink: 0; width: 46px; height: 46px; border-radius: 12px; background: var(--accent-soft); color: var(--accent-strong); display: grid; place-items: center; }
[data-theme="dark"] .contact-detail .ic { color: var(--accent); }
.contact-detail .ic svg { width: 22px; height: 22px; }
.contact-detail .k { font-size: 0.8rem; color: var(--text-muted); font-family: var(--font-mono); letter-spacing: 0.05em; text-transform: uppercase; }
.contact-detail .v { font-weight: 600; margin-top: 3px; }
.contact-detail .v a:hover { color: var(--accent-strong); }

/* ---------- Office cards ---------- */
.offices-label { font-family: var(--font-mono); font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--text-muted); margin: 28px 0 12px; }
.office-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(148px, 1fr)); gap: 12px; }
.office-card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 16px 14px; transition: border-color 0.2s; }
.office-card:not(.office-card--soon):hover { border-color: var(--accent); }
.office-card--soon { opacity: 0.55; }
.office-card-title { font-family: var(--font-display); font-weight: 700; font-size: 0.9rem; color: var(--text); display: flex; align-items: center; gap: 7px; margin-bottom: 8px; }
.office-card-title svg { width: 14px; height: 14px; color: var(--accent-strong); flex-shrink: 0; }
[data-theme="dark"] .office-card-title svg { color: var(--accent); }
.office-addr { font-size: 0.82rem; color: var(--text-muted); line-height: 1.55; margin-bottom: 12px; }
.office-card--soon .office-addr { margin-bottom: 0; }
.office-links { display: flex; flex-direction: column; gap: 7px; }
.office-links a { display: flex; align-items: center; gap: 6px; font-size: 0.8rem; font-weight: 500; color: var(--text-soft); transition: color 0.2s; }
.office-links a:hover { color: var(--accent-strong); }
[data-theme="dark"] .office-links a:hover { color: var(--accent); }
.office-links a svg { width: 14px; height: 14px; flex-shrink: 0; color: var(--accent-strong); }
[data-theme="dark"] .office-links a svg { color: var(--accent); }
.office-soon { font-family: var(--font-mono); font-size: 0.72rem; color: var(--accent); background: var(--accent-soft); padding: 3px 8px; border-radius: 4px; display: inline-block; margin-top: 6px; }

/* ---------- Map tabs ---------- */
.map-tabs { margin-top: 28px; }
.map-tab-panel .media-panel { animation: none; }
.map-tab-btns { display: flex; gap: 8px; margin-bottom: 12px; }
.map-tab-btn { font-family: var(--font-display); font-size: 0.82rem; font-weight: 600; padding: 6px 14px; border-radius: 20px; border: 1px solid var(--border); background: transparent; color: var(--text-soft); cursor: pointer; transition: all 0.2s var(--ease); }
.map-tab-btn:hover { border-color: var(--accent); color: var(--text); }
.map-tab-btn.active { background: var(--accent); border-color: var(--accent); color: #fff; }
.map-tab-panel { display: none; }
.map-tab-panel.active { display: block; }
.map-tab-panel--soon { display: flex; align-items: center; justify-content: center; aspect-ratio: 16/9; background: var(--bg-alt); border: 1px solid var(--border); border-radius: var(--radius); }
.map-tab-panel--soon.active { display: flex; }
.map-soon-msg { text-align: center; color: var(--text-muted); font-size: 0.9rem; }

/* ---------- Page header (interior pages) ---------- */
.page-head { position: relative; padding: clamp(56px, 8vw, 96px) 0 clamp(36px, 5vw, 56px); overflow: hidden; }
.page-head h1 { font-size: clamp(2.4rem, 5vw, 3.8rem); margin: 18px 0 20px; }
.page-head .lead { max-width: 620px; }

/* ---------- Stat band ---------- */
.statband { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
@media (max-width: 760px) { .statband { grid-template-columns: 1fr 1fr; gap: 32px; } }
.statband .s .v { font-family: var(--font-display); font-weight: 700; font-size: clamp(2.2rem, 4vw, 3rem); letter-spacing: -0.03em; }
.statband .s .v .accent-text { font-size: inherit; }
.statband .s .k { color: var(--text-muted); margin-top: 4px; font-size: 0.95rem; }

/* ---------- Count-pop for stat numbers ---------- */
.num.popped, .statband .s .v.popped { animation: count-pop 0.4s var(--ease) both; }

/* reduced-motion idle loops disabled */

/* ====================================================================
   Intro curtain — homepage only, once per session
   ==================================================================== */
#intro {
  position: fixed;
  inset: 0;
  z-index: 9998;
  overflow: hidden;
  pointer-events: all;
}

/* Two emerald panels */
.intro-panel {
  position: absolute;
  top: 0; bottom: 0;
  width: 50.5%;
  background: linear-gradient(155deg, #10b981 0%, #059669 100%);
  will-change: transform;
}
.intro-panel-l { left: 0; }
.intro-panel-r { right: 0; }

/* Subtle grid texture — echoes the hero grid overlay */
.intro-pg {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(0,0,0,0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,0,0,0.07) 1px, transparent 1px);
  background-size: 58px 58px;
}

/* Gloss highlight on left panel */
.intro-panel-l::after {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(155deg, rgba(255,255,255,0.18), transparent 55%);
}

/* Hairline center seam */
.intro-seam {
  position: absolute;
  left: 50%; top: 0; bottom: 0;
  width: 1px;
  background: rgba(255,255,255,0.45);
  transform: translateX(-50%);
  transform-origin: center top;
  z-index: 1;
}

/* Center branding */
.intro-center {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 16px;
  z-index: 2;
}

.intro-mark {
  width: 88px; height: 88px;
  border-radius: 24px;
  background: rgba(0,0,0,0.22);
  border: 2px solid rgba(255,255,255,0.30);
  display: grid; place-items: center;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 2.8rem;
  color: #fff;
  box-shadow: 0 8px 32px rgba(0,0,0,0.2);
  opacity: 0;
  transform: scale(0.5) translateY(16px);
  transition: opacity 1.2s cubic-bezier(0.22,1,0.36,1), transform 1.2s cubic-bezier(0.22,1,0.36,1);
}
.intro-mark.show { opacity: 1; transform: scale(1) translateY(0); }

.intro-word {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 2.4rem;
  letter-spacing: -0.04em;
  color: #fff;
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 1s 0.4s cubic-bezier(0.22,1,0.36,1),
              transform 1s 0.4s cubic-bezier(0.22,1,0.36,1);
}
.intro-word span { color: rgba(255,255,255,0.5); }
.intro-word.show { opacity: 1; transform: none; }

.intro-tag {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.55);
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 1s 0.7s cubic-bezier(0.22,1,0.36,1),
              transform 1s 0.7s cubic-bezier(0.22,1,0.36,1);
  margin: 0;
}
.intro-tag.show { opacity: 1; transform: none; }

/* Bloom flash at split origin */
.intro-bloom {
  position: absolute;
  left: 50%; top: 50%;
  transform: translate(-50%, -50%);
  width: 0; height: 0;
  border-radius: 50%;
  pointer-events: none;
  z-index: 3;
}

/* ── Split keyframes ── */
@keyframes intro-slide-l  { to { transform: translateX(-101%); } }
@keyframes intro-slide-r  { to { transform: translateX(101%); } }
@keyframes intro-logo-out { to { opacity: 0; transform: scale(0.88); } }
@keyframes intro-seam-out { to { opacity: 0; transform: translateX(-50%) scaleY(0); } }
@keyframes intro-bloom-fx {
  0%   { width: 0; height: 0; opacity: 0.9; }
  60%  { opacity: 0.5; }
  100% { width: 900px; height: 900px; opacity: 0;
         background: radial-gradient(circle, rgba(16,185,129,0.45), transparent 65%); }
}

.intro-splitting .intro-panel-l { animation: intro-slide-l 0.85s cubic-bezier(0.22,1,0.36,1) forwards; }
.intro-splitting .intro-panel-r { animation: intro-slide-r 0.85s cubic-bezier(0.22,1,0.36,1) forwards; }
.intro-splitting .intro-center   { animation: intro-logo-out 0.3s cubic-bezier(0.22,1,0.36,1) forwards; }
.intro-splitting .intro-seam     { animation: intro-seam-out 0.25s ease forwards; }
.intro-splitting .intro-bloom    { animation: intro-bloom-fx 0.9s cubic-bezier(0.22,1,0.36,1) forwards;
                                   background: radial-gradient(circle, rgba(16,185,129,0.45), transparent 65%); }
