/* ==========================================================================
   NEUROREACH LLP — Design System
   Author: NeuroReach Web Team
   Theme: Premium dark "neural" aesthetic with violet→cyan gradients,
          glassmorphism, smooth scroll-reveal animations.
   ========================================================================== */

/* ------------------------------ 1. Tokens ------------------------------ */
:root {
  /* Core palette */
  --bg: #060814;
  --bg-2: #0a0e1e;
  --bg-3: #0e1428;
  --surface: rgba(255, 255, 255, 0.035);
  --surface-2: rgba(255, 255, 255, 0.06);
  --border: rgba(255, 255, 255, 0.09);
  --border-strong: rgba(255, 255, 255, 0.16);

  /* Text */
  --text: #eef0fa;
  --text-soft: #c3c8e0;
  --text-muted: #8b91b0;
  --text-faint: #626a8c;

  /* Brand */
  --violet: #8b5cf6;
  --indigo: #6366f1;
  --cyan: #22d3ee;
  --pink: #ec4899;
  --primary: #7c5cfc;

  /* Gradients */
  --grad-brand: linear-gradient(135deg, #a855f7 0%, #6366f1 45%, #22d3ee 100%);
  --grad-brand-soft: linear-gradient(135deg, #8b5cf6, #22d3ee);
  --grad-pink: linear-gradient(135deg, #ec4899, #8b5cf6);
  --grad-text: linear-gradient(120deg, #c4b5fd 0%, #a5b4fc 40%, #67e8f9 100%);
  --grad-surface: linear-gradient(160deg, rgba(139, 92, 246, 0.10), rgba(34, 211, 238, 0.04));

  /* Glow */
  --glow-violet: rgba(139, 92, 246, 0.45);
  --glow-cyan: rgba(34, 211, 238, 0.35);

  /* Typography */
  --font-head: "Space Grotesk", "Inter", system-ui, sans-serif;
  --font-body: "Inter", system-ui, -apple-system, Segoe UI, Roboto, sans-serif;

  /* Spacing / radius */
  --radius-sm: 10px;
  --radius: 16px;
  --radius-lg: 24px;
  --radius-xl: 32px;
  --container: 1200px;
  --gutter: clamp(20px, 5vw, 40px);

  /* Motion */
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --dur: 0.55s;

  /* Header height */
  --nav-h: 74px;
}

/* ------------------------------ 2. Reset ------------------------------- */
*,
*::before,
*::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  scroll-padding-top: calc(var(--nav-h) + 20px);
  /* Clip transient horizontal offsets from scroll-reveal transforms
     (translateX on not-yet-revealed elements) so they never spawn a
     horizontal scrollbar on any breakpoint. Fixed elements are unaffected. */
  overflow-x: hidden;
}

body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
  font-size: 16px;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  position: relative;
}

/* Ambient background layers */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -3;
  background:
    radial-gradient(60% 50% at 15% 0%, rgba(139, 92, 246, 0.18), transparent 60%),
    radial-gradient(50% 50% at 100% 10%, rgba(34, 211, 238, 0.12), transparent 55%),
    radial-gradient(70% 60% at 50% 100%, rgba(99, 102, 241, 0.10), transparent 60%),
    var(--bg);
}
body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -2;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='3'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.5'/%3E%3C/svg%3E");
  opacity: 0.025;
  pointer-events: none;
  mix-blend-mode: overlay;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; color: inherit; }
input, textarea, select { font-family: inherit; font-size: inherit; }
ul { list-style: none; }
::selection { background: rgba(139, 92, 246, 0.35); color: #fff; }

/* Scrollbar */
::-webkit-scrollbar { width: 11px; }
::-webkit-scrollbar-track { background: var(--bg-2); }
::-webkit-scrollbar-thumb {
  background: linear-gradient(var(--violet), var(--cyan));
  border-radius: 20px;
  border: 3px solid var(--bg-2);
}

/* --------------------------- 3. Typography ----------------------------- */
h1, h2, h3, h4, h5 {
  font-family: var(--font-head);
  font-weight: 600;
  line-height: 1.12;
  letter-spacing: -0.02em;
  color: #fff;
}
h1 { font-size: clamp(2.4rem, 6vw, 4.4rem); }
h2 { font-size: clamp(2rem, 4.5vw, 3.2rem); }
h3 { font-size: clamp(1.35rem, 2.4vw, 1.75rem); }
p { color: var(--text-soft); }

.gradient-text {
  background: var(--grad-text);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}

/* --------------------------- 4. Layout --------------------------------- */
.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--gutter);
}
.container-wide { max-width: 1360px; }

.section { padding-block: clamp(70px, 10vw, 130px); position: relative; }
.section-sm { padding-block: clamp(50px, 7vw, 90px); }

.section-head {
  max-width: 660px;
  margin: 0 auto clamp(40px, 6vw, 68px);
  text-align: center;
}
.section-head.left { text-align: left; margin-inline: 0; }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-head);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--cyan);
  padding: 7px 15px;
  border-radius: 100px;
  background: rgba(34, 211, 238, 0.08);
  border: 1px solid rgba(34, 211, 238, 0.2);
  margin-bottom: 20px;
}
.eyebrow::before {
  content: "";
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 10px var(--cyan);
}
.section-head p { margin-top: 16px; font-size: 1.05rem; color: var(--text-muted); }

.grid { display: grid; gap: 26px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

/* --------------------------- 5. Buttons -------------------------------- */
.btn {
  --pad: 15px 30px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: var(--pad);
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: 0.01em;
  border-radius: 100px;
  position: relative;
  overflow: hidden;
  transition: transform 0.35s var(--ease), box-shadow 0.35s var(--ease), background 0.35s;
  white-space: nowrap;
  isolation: isolate;
}
.btn svg { width: 18px; height: 18px; }
.btn-primary {
  color: #fff;
  background: var(--grad-brand);
  background-size: 180% 180%;
  box-shadow: 0 10px 30px -8px var(--glow-violet), inset 0 1px 0 rgba(255,255,255,0.25);
}
.btn-primary::after {
  content: "";
  position: absolute; inset: 0; z-index: -1;
  background: linear-gradient(120deg, transparent 20%, rgba(255,255,255,0.4) 50%, transparent 80%);
  transform: translateX(-120%);
  transition: transform 0.7s var(--ease);
}
.btn-primary:hover { transform: translateY(-3px); background-position: 100% 50%; box-shadow: 0 18px 40px -10px var(--glow-violet); }
.btn-primary:hover::after { transform: translateX(120%); }

.btn-ghost {
  color: var(--text);
  background: var(--surface);
  border: 1px solid var(--border-strong);
  backdrop-filter: blur(8px);
}
.btn-ghost:hover { transform: translateY(-3px); background: var(--surface-2); border-color: var(--violet); box-shadow: 0 12px 30px -12px var(--glow-violet); }

.btn-sm { --pad: 11px 22px; font-size: 0.86rem; }
.btn-lg { --pad: 18px 38px; font-size: 1.02rem; }
.btn-block { display: flex; width: 100%; }

.link-arrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--font-head); font-weight: 600; color: var(--cyan);
  transition: gap 0.3s var(--ease), color 0.3s;
}
.link-arrow svg { width: 16px; height: 16px; transition: transform 0.3s var(--ease); }
.link-arrow:hover { gap: 12px; color: #7dd3fc; }

/* --------------------------- 6. Navbar --------------------------------- */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--nav-h);
  z-index: 1000;
  display: flex;
  align-items: center;
  transition: background 0.4s var(--ease), backdrop-filter 0.4s, border-color 0.4s, height 0.4s;
  border-bottom: 1px solid transparent;
}
.nav.scrolled {
  height: 64px;
  background: rgba(8, 10, 22, 0.72);
  backdrop-filter: blur(18px) saturate(160%);
  border-bottom-color: var(--border);
}
.nav .container { display: flex; align-items: center; justify-content: space-between; gap: 20px; }

.brand { display: inline-flex; align-items: center; gap: 11px; font-family: var(--font-head); font-weight: 700; font-size: 1.28rem; letter-spacing: -0.02em; color: #fff; }
.brand .logo-mark { width: 38px; height: 38px; flex-shrink: 0; }
.brand b { background: var(--grad-text); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.brand small { display: block; font-family: var(--font-body); font-size: 0.6rem; font-weight: 500; letter-spacing: 0.32em; color: var(--text-muted); margin-top: -2px; }

.nav-links { display: flex; align-items: center; gap: 4px; }
.nav-links a {
  padding: 9px 16px;
  font-size: 0.94rem;
  font-weight: 500;
  color: var(--text-soft);
  border-radius: 100px;
  position: relative;
  transition: color 0.3s, background 0.3s;
}
.nav-links a:hover { color: #fff; background: var(--surface); }
.nav-links a.active { color: #fff; }
.nav-links a.active::after {
  content: ""; position: absolute; bottom: 2px; left: 50%; transform: translateX(-50%);
  width: 20px; height: 3px; border-radius: 3px; background: var(--grad-brand-soft);
  box-shadow: 0 0 12px var(--glow-cyan);
}
.nav-actions { display: flex; align-items: center; gap: 12px; }

.nav-toggle { display: none; width: 44px; height: 44px; border-radius: 12px; background: var(--surface); border: 1px solid var(--border); flex-direction: column; align-items: center; justify-content: center; gap: 5px; }
.nav-toggle span { display: block; width: 20px; height: 2px; background: #fff; border-radius: 2px; transition: transform 0.35s var(--ease), opacity 0.3s; }
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* --------------------------- 7. Hero ----------------------------------- */
.hero { position: relative; min-height: 100vh; display: flex; align-items: center; padding-top: calc(var(--nav-h) + 40px); overflow: hidden; }
/* width/height 100% is required: a <canvas> is a replaced element, so
   inset:0 alone uses its intrinsic buffer size instead of filling the hero. */
#neural-canvas { position: absolute; inset: 0; width: 100%; height: 100%; z-index: -1; opacity: 0.9; }
.hero .container { position: relative; z-index: 2; }
.hero-grid { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 50px; align-items: center; }

.hero-badge { display: inline-flex; align-items: center; gap: 10px; padding: 8px 16px 8px 8px; border-radius: 100px; background: var(--surface); border: 1px solid var(--border-strong); font-size: 0.82rem; color: var(--text-soft); margin-bottom: 26px; backdrop-filter: blur(8px); }
.hero-badge b { background: var(--grad-brand-soft); color: #fff; font-family: var(--font-head); font-size: 0.72rem; padding: 4px 10px; border-radius: 100px; letter-spacing: 0.05em; }
.hero h1 { margin-bottom: 22px; }
.hero h1 .gradient-text { display: inline-block; }
.hero-lead { font-size: clamp(1.02rem, 1.6vw, 1.18rem); color: var(--text-muted); max-width: 540px; margin-bottom: 34px; }
.hero-cta { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 42px; }
.hero-stats { display: flex; gap: 38px; flex-wrap: wrap; }
.hero-stats .stat-num { font-family: var(--font-head); font-size: 2rem; font-weight: 700; color: #fff; line-height: 1; }
.hero-stats .stat-num .gradient-text { display: inline; }
.hero-stats small { display: block; font-size: 0.8rem; color: var(--text-muted); margin-top: 6px; }

/* Hero visual (orbiting neural card) */
.hero-visual { position: relative; aspect-ratio: 1; display: grid; place-items: center; }
.orbit-core {
  width: 62%; aspect-ratio: 1; border-radius: 50%;
  background: var(--grad-brand); filter: blur(4px);
  box-shadow: 0 0 90px 10px var(--glow-violet);
  animation: pulse-core 4s var(--ease) infinite;
  position: relative;
}
.orbit-ring { position: absolute; inset: 0; border-radius: 50%; border: 1px solid var(--border); }
.orbit-ring.r1 { animation: spin 22s linear infinite; }
.orbit-ring.r2 { inset: 12%; border-color: rgba(34,211,238,0.18); animation: spin 16s linear infinite reverse; }
.orbit-ring.r3 { inset: 24%; border-color: rgba(139,92,246,0.22); animation: spin 30s linear infinite; }
.orbit-dot { position: absolute; width: 14px; height: 14px; border-radius: 50%; background: var(--cyan); box-shadow: 0 0 16px var(--cyan); top: -7px; left: calc(50% - 7px); }
.orbit-dot.d2 { background: var(--pink); box-shadow: 0 0 16px var(--pink); }
.hero-chip {
  position: absolute; padding: 12px 16px; border-radius: 14px;
  background: rgba(12,16,32,0.7); border: 1px solid var(--border-strong);
  backdrop-filter: blur(14px); display: flex; align-items: center; gap: 10px;
  font-size: 0.82rem; font-weight: 500; color: var(--text); box-shadow: 0 20px 40px -20px #000;
  animation: float 5s var(--ease) infinite;
}
.hero-chip i { width: 34px; height: 34px; border-radius: 9px; display: grid; place-items: center; background: var(--grad-surface); }
.hero-chip svg { width: 18px; height: 18px; }
.hero-chip.c1 { top: 6%; left: -6%; }
.hero-chip.c2 { bottom: 16%; right: -8%; animation-delay: 1.5s; }
.hero-chip.c3 { bottom: -2%; left: 8%; animation-delay: 0.8s; }

@keyframes spin { to { transform: rotate(360deg); } }
@keyframes pulse-core { 0%,100% { transform: scale(1); opacity: 0.92; } 50% { transform: scale(1.06); opacity: 1; } }
@keyframes float { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-12px); } }

/* --------------------------- 8. Cards ---------------------------------- */
.card {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 30px;
  transition: transform 0.5s var(--ease), border-color 0.5s, background 0.5s, box-shadow 0.5s;
  overflow: hidden;
}
.card::before {
  content: ""; position: absolute; inset: 0; border-radius: inherit; padding: 1px;
  background: var(--grad-brand); opacity: 0;
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor; mask-composite: exclude;
  transition: opacity 0.5s;
}
.card:hover { transform: translateY(-8px); background: var(--surface-2); box-shadow: 0 30px 60px -30px rgba(0,0,0,0.7); }
.card:hover::before { opacity: 0.7; }

.card-glow::after {
  content: ""; position: absolute; width: 200px; height: 200px; border-radius: 50%;
  background: radial-gradient(circle, var(--glow-violet), transparent 70%);
  top: -80px; right: -60px; opacity: 0; transition: opacity 0.5s; pointer-events: none;
}
.card-glow:hover::after { opacity: 0.6; }

/* Service card */
.service-card .svc-icon {
  width: 60px; height: 60px; border-radius: 16px; display: grid; place-items: center;
  background: var(--grad-surface); border: 1px solid var(--border);
  margin-bottom: 22px; transition: transform 0.5s var(--ease);
}
.service-card:hover .svc-icon { transform: scale(1.08) rotate(-4deg); }
.service-card .svc-icon svg { width: 28px; height: 28px; stroke: var(--cyan); }
.service-card h3 { margin-bottom: 12px; }
.service-card p { font-size: 0.94rem; color: var(--text-muted); margin-bottom: 18px; }
.service-card .svc-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 20px; }
.tag { font-size: 0.74rem; padding: 5px 11px; border-radius: 100px; background: var(--surface-2); border: 1px solid var(--border); color: var(--text-soft); }

/* --------------------------- 9. Stats ---------------------------------- */
.stats-band { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.stat-box { text-align: center; padding: 30px 20px; border-radius: var(--radius-lg); background: var(--surface); border: 1px solid var(--border); }
.stat-box .num { font-family: var(--font-head); font-size: clamp(2.2rem, 4vw, 3rem); font-weight: 700; line-height: 1; }
.stat-box .num .gradient-text { display: inline; }
.stat-box .label { color: var(--text-muted); font-size: 0.9rem; margin-top: 10px; }

/* --------------------------- 10. Steps/Process ------------------------- */
.steps { counter-reset: step; display: grid; gap: 24px; }
.step { position: relative; padding: 30px 30px 30px 92px; border-radius: var(--radius-lg); background: var(--surface); border: 1px solid var(--border); transition: transform 0.4s var(--ease), border-color 0.4s; }
.step:hover { transform: translateX(6px); border-color: var(--border-strong); }
.step::before {
  counter-increment: step; content: "0" counter(step);
  position: absolute; left: 26px; top: 28px;
  font-family: var(--font-head); font-size: 1.5rem; font-weight: 700;
  background: var(--grad-text); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}
.step h3 { font-size: 1.2rem; margin-bottom: 8px; }
.step p { font-size: 0.92rem; color: var(--text-muted); }

/* --------------------------- 11. Portfolio ----------------------------- */
.filter-bar { display: flex; flex-wrap: wrap; justify-content: center; gap: 10px; margin-bottom: 44px; }
.filter-btn { padding: 9px 20px; border-radius: 100px; font-size: 0.88rem; font-weight: 500; color: var(--text-soft); background: var(--surface); border: 1px solid var(--border); transition: all 0.3s var(--ease); }
.filter-btn:hover { color: #fff; border-color: var(--border-strong); }
.filter-btn.active { color: #fff; background: var(--grad-brand-soft); border-color: transparent; box-shadow: 0 8px 22px -10px var(--glow-violet); }

.portfolio-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.work-card { position: relative; border-radius: var(--radius-lg); overflow: hidden; border: 1px solid var(--border); background: var(--bg-2); aspect-ratio: 4/3; transition: transform 0.5s var(--ease), box-shadow 0.5s; }
.work-card:hover { transform: translateY(-6px); box-shadow: 0 30px 60px -30px rgba(0,0,0,0.8); }
.work-thumb { position: absolute; inset: 0; display: grid; place-items: center; background: var(--grad-surface); }
.work-thumb svg { width: 40%; height: 40%; opacity: 0.85; }
.work-overlay {
  position: absolute; inset: 0; display: flex; flex-direction: column; justify-content: flex-end;
  padding: 26px; background: linear-gradient(to top, rgba(6,8,20,0.95) 10%, rgba(6,8,20,0.3) 55%, transparent);
  opacity: 0; transform: translateY(14px); transition: opacity 0.45s var(--ease), transform 0.45s var(--ease);
}
.work-card:hover .work-overlay { opacity: 1; transform: translateY(0); }
.work-overlay .cat { font-size: 0.75rem; color: var(--cyan); font-weight: 600; letter-spacing: 0.05em; text-transform: uppercase; }
.work-overlay h3 { font-size: 1.25rem; margin-top: 6px; color: #fff; }

/* --------------------------- 12. Testimonials -------------------------- */
.testi-card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 32px; position: relative; }
.testi-card .quote-mark { font-family: var(--font-head); font-size: 4rem; line-height: 0.5; color: var(--violet); opacity: 0.35; }
.testi-card p { font-size: 1rem; color: var(--text-soft); margin: 14px 0 22px; }
.testi-author { display: flex; align-items: center; gap: 14px; }
.testi-author .avatar { width: 48px; height: 48px; border-radius: 50%; display: grid; place-items: center; font-family: var(--font-head); font-weight: 700; color: #fff; background: var(--grad-brand-soft); }
.testi-author .meta b { display: block; color: #fff; font-size: 0.95rem; }
.testi-author .meta span { font-size: 0.82rem; color: var(--text-muted); }
.stars { display: flex; gap: 3px; color: #fbbf24; margin-bottom: 4px; }
.stars svg { width: 16px; height: 16px; }

/* --------------------------- 13. Marquee ------------------------------- */
.marquee { overflow: hidden; -webkit-mask: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent); mask: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent); }
.marquee-track { display: flex; gap: 60px; width: max-content; animation: marquee 26s linear infinite; }
.marquee:hover .marquee-track { animation-play-state: paused; }
.marquee-track span { font-family: var(--font-head); font-size: 1.5rem; font-weight: 600; color: var(--text-faint); white-space: nowrap; display: inline-flex; align-items: center; gap: 60px; }
@keyframes marquee { to { transform: translateX(-50%); } }

/* --------------------------- 14. CTA ----------------------------------- */
.cta-band { position: relative; border-radius: var(--radius-xl); padding: clamp(40px, 6vw, 72px); text-align: center; overflow: hidden; background: linear-gradient(135deg, rgba(139,92,246,0.16), rgba(34,211,238,0.08)); border: 1px solid var(--border-strong); }
.cta-band::before { content: ""; position: absolute; width: 400px; height: 400px; border-radius: 50%; background: radial-gradient(circle, var(--glow-violet), transparent 70%); top: -160px; left: 50%; transform: translateX(-50%); }
.cta-band > * { position: relative; z-index: 1; }
.cta-band h2 { margin-bottom: 16px; }
.cta-band p { max-width: 560px; margin: 0 auto 30px; color: var(--text-soft); }
.cta-actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

/* --------------------------- 15. Forms --------------------------------- */
.field { margin-bottom: 20px; }
.field label { display: block; font-size: 0.85rem; font-weight: 500; color: var(--text-soft); margin-bottom: 8px; }
.field input, .field textarea, .field select {
  width: 100%; padding: 14px 16px; border-radius: var(--radius-sm);
  background: var(--surface); border: 1px solid var(--border); color: var(--text);
  transition: border-color 0.3s, background 0.3s, box-shadow 0.3s;
}
.field textarea { resize: vertical; min-height: 130px; }
.field input::placeholder, .field textarea::placeholder { color: var(--text-faint); }
.field input:focus, .field textarea:focus, .field select:focus {
  outline: none; border-color: var(--violet); background: var(--surface-2);
  box-shadow: 0 0 0 3px rgba(139,92,246,0.15);
}
.field.error input, .field.error textarea { border-color: #f87171; box-shadow: 0 0 0 3px rgba(248,113,113,0.12); }
.field .err-msg { display: none; color: #f87171; font-size: 0.8rem; margin-top: 6px; }
.field.error .err-msg { display: block; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }

.form-note { display: none; padding: 14px 18px; border-radius: var(--radius-sm); font-size: 0.9rem; margin-top: 6px; }
.form-note.show { display: block; }
.form-note.success { background: rgba(34,197,94,0.12); border: 1px solid rgba(34,197,94,0.3); color: #86efac; }

/* --------------------------- 16. Info tiles ---------------------------- */
.info-tile { display: flex; gap: 16px; align-items: flex-start; padding: 22px; border-radius: var(--radius); background: var(--surface); border: 1px solid var(--border); transition: border-color 0.3s, transform 0.3s; }
.info-tile:hover { border-color: var(--border-strong); transform: translateY(-3px); }
.info-tile .ico { flex-shrink: 0; width: 46px; height: 46px; border-radius: 12px; display: grid; place-items: center; background: var(--grad-surface); }
.info-tile .ico svg { width: 22px; height: 22px; stroke: var(--cyan); }
.info-tile b { display: block; color: #fff; font-size: 0.95rem; margin-bottom: 3px; }
.info-tile span, .info-tile a { color: var(--text-muted); font-size: 0.92rem; }
.info-tile a:hover { color: var(--cyan); }

/* --------------------------- 17. Feature list -------------------------- */
.feat-list { display: grid; gap: 16px; }
.feat-item { display: flex; gap: 14px; align-items: flex-start; }
.feat-item .check { flex-shrink: 0; width: 26px; height: 26px; border-radius: 50%; display: grid; place-items: center; background: var(--grad-surface); border: 1px solid var(--border); margin-top: 2px; }
.feat-item .check svg { width: 14px; height: 14px; stroke: var(--cyan); }
.feat-item b { color: #fff; display: block; }
.feat-item p { font-size: 0.9rem; color: var(--text-muted); margin-top: 2px; }

/* --------------------------- 18. Team ---------------------------------- */
.team-card { text-align: center; padding: 30px 22px; }
.team-card .avatar-lg { width: 92px; height: 92px; border-radius: 50%; margin: 0 auto 18px; display: grid; place-items: center; font-family: var(--font-head); font-size: 1.7rem; font-weight: 700; color: #fff; background: var(--grad-brand-soft); box-shadow: 0 0 40px -12px var(--glow-violet); }
.team-card h3 { font-size: 1.15rem; }
.team-card .role { color: var(--cyan); font-size: 0.85rem; font-weight: 500; margin-top: 4px; }
.team-card .socials { display: flex; justify-content: center; gap: 10px; margin-top: 16px; }
.team-card .socials a { width: 34px; height: 34px; border-radius: 9px; display: grid; place-items: center; background: var(--surface-2); border: 1px solid var(--border); transition: all 0.3s; }
.team-card .socials a:hover { background: var(--grad-brand-soft); border-color: transparent; transform: translateY(-3px); }
.team-card .socials svg { width: 16px; height: 16px; }

/* --------------------------- 19. Footer -------------------------------- */
.footer { position: relative; padding-top: 80px; border-top: 1px solid var(--border); background: linear-gradient(180deg, transparent, rgba(10,14,30,0.6)); }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1.3fr; gap: 40px; padding-bottom: 50px; }
.footer .brand { margin-bottom: 18px; }
.footer-about p { font-size: 0.92rem; color: var(--text-muted); max-width: 320px; }
.footer-social { display: flex; gap: 10px; margin-top: 20px; }
.footer-social a { width: 40px; height: 40px; border-radius: 11px; display: grid; place-items: center; background: var(--surface); border: 1px solid var(--border); transition: all 0.3s var(--ease); }
.footer-social a:hover { background: var(--grad-brand-soft); border-color: transparent; transform: translateY(-3px); box-shadow: 0 10px 20px -10px var(--glow-violet); }
.footer-social svg { width: 18px; height: 18px; }
.footer-col h4 { font-family: var(--font-head); font-size: 0.8rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--text-muted); margin-bottom: 20px; }
.footer-col ul { display: grid; gap: 12px; }
.footer-col a { color: var(--text-soft); font-size: 0.93rem; transition: color 0.3s, padding 0.3s; }
.footer-col a:hover { color: var(--cyan); padding-left: 4px; }
.footer-contact li { display: flex; gap: 12px; align-items: flex-start; color: var(--text-soft); font-size: 0.9rem; margin-bottom: 14px; }
.footer-contact svg { width: 18px; height: 18px; flex-shrink: 0; stroke: var(--cyan); margin-top: 2px; }
.footer-bottom { display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; padding: 24px 0; border-top: 1px solid var(--border); font-size: 0.85rem; color: var(--text-muted); }
.footer-bottom a { color: var(--text-muted); }
.footer-bottom a:hover { color: var(--cyan); }

/* --------------------------- 20. Preloader ----------------------------- */
.preloader { position: fixed; inset: 0; z-index: 9999; display: grid; place-items: center; background: var(--bg); transition: opacity 0.6s var(--ease), visibility 0.6s; }
.preloader.hidden { opacity: 0; visibility: hidden; }
.preloader .loader-mark { width: 64px; height: 64px; animation: pulse-core 1.6s var(--ease) infinite; }
.preloader .loader-text { position: absolute; bottom: 42%; font-family: var(--font-head); letter-spacing: 0.4em; font-size: 0.75rem; color: var(--text-muted); text-transform: uppercase; }

/* --------------------------- 21. Back to top / cursor ------------------ */
.to-top { position: fixed; right: 24px; bottom: 24px; width: 48px; height: 48px; border-radius: 14px; display: grid; place-items: center; background: var(--grad-brand-soft); color: #fff; z-index: 900; opacity: 0; transform: translateY(20px) scale(0.8); pointer-events: none; transition: all 0.4s var(--ease); box-shadow: 0 14px 30px -12px var(--glow-violet); }
.to-top.show { opacity: 1; transform: translateY(0) scale(1); pointer-events: auto; }
.to-top:hover { transform: translateY(-4px); }
.to-top svg { width: 20px; height: 20px; }

.cursor-glow { position: fixed; top: 0; left: 0; width: 26px; height: 26px; border-radius: 50%; border: 1.5px solid rgba(139,92,246,0.6); pointer-events: none; z-index: 9998; transform: translate(-50%, -50%); transition: width 0.25s, height 0.25s, background 0.25s, border-color 0.25s; mix-blend-mode: screen; }
.cursor-glow.hover { width: 52px; height: 52px; background: rgba(139,92,246,0.12); border-color: var(--cyan); }

/* --------------------------- 22. Reveal animations --------------------- */
/* Scoped under .js so content stays fully visible if JavaScript is disabled
   or fails to load (progressive enhancement — no blank page ever). */
.js [data-reveal] { opacity: 0; transform: translateY(34px); transition: opacity 0.8s var(--ease-out), transform 0.8s var(--ease-out); will-change: opacity, transform; }
.js [data-reveal].in { opacity: 1; transform: none; }
.js [data-reveal="left"] { transform: translateX(-40px); }
.js [data-reveal="right"] { transform: translateX(40px); }
.js [data-reveal="scale"] { transform: scale(0.92); }
[data-delay="1"] { transition-delay: 0.1s; }
[data-delay="2"] { transition-delay: 0.2s; }
[data-delay="3"] { transition-delay: 0.3s; }
[data-delay="4"] { transition-delay: 0.4s; }
[data-delay="5"] { transition-delay: 0.5s; }

/* Page header (inner pages) */
.page-hero { position: relative; padding-top: calc(var(--nav-h) + 70px); padding-bottom: 60px; text-align: center; overflow: hidden; }
.page-hero::before { content: ""; position: absolute; inset: 0; z-index: -1; background: radial-gradient(60% 60% at 50% 0%, rgba(139,92,246,0.14), transparent 65%); }
.page-hero .breadcrumb { display: inline-flex; gap: 8px; font-size: 0.85rem; color: var(--text-muted); margin-top: 18px; }
.page-hero .breadcrumb a:hover { color: var(--cyan); }
.page-hero p { max-width: 620px; margin: 18px auto 0; color: var(--text-muted); font-size: 1.05rem; }

/* Divider */
.divider { height: 1px; background: linear-gradient(90deg, transparent, var(--border-strong), transparent); border: 0; margin: 0; }

/* --------------------------- 23. Responsive ---------------------------- */
@media (max-width: 1024px) {
  .hero-grid { grid-template-columns: 1fr; gap: 40px; }
  .hero-visual { max-width: 440px; margin: 0 auto; }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .stats-band { grid-template-columns: repeat(2, 1fr); }
  .portfolio-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 34px; }
}
@media (max-width: 768px) {
  .nav-links, .nav-actions .btn { display: none; }
  .nav-toggle { display: flex; }
  .nav-links {
    position: fixed; top: var(--nav-h); left: 0; right: 0;
    flex-direction: column; align-items: stretch; gap: 6px; padding: 20px var(--gutter) 30px;
    background: rgba(8,10,22,0.96); backdrop-filter: blur(20px); border-bottom: 1px solid var(--border);
    transform: translateY(-140%); transition: transform 0.45s var(--ease); z-index: -1;
  }
  .nav-links.open { display: flex; transform: translateY(0); }
  .nav-links a { padding: 14px 16px; font-size: 1rem; border-radius: 12px; }
  .nav-links a.active::after { display: none; }
  .nav-links a.active { background: var(--surface); }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .cursor-glow { display: none; }
  .hero { min-height: auto; padding-block: calc(var(--nav-h) + 50px) 60px; }
  .hero-stats { gap: 26px; }
}
@media (max-width: 560px) {
  :root { --gutter: 18px; }
  .stats-band, .portfolio-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .hero-chip.c1 { left: 0; }
  .hero-chip.c2 { right: 0; }
  .btn { --pad: 14px 24px; }
  .hero-cta .btn { flex: 1; }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.15s !important; scroll-behavior: auto !important; }
  [data-reveal] { opacity: 1 !important; transform: none !important; }
}

/* Utility */
.text-center { text-align: center; }
.mt-0 { margin-top: 0; } .mb-0 { margin-bottom: 0; }
.mt-2 { margin-top: 2rem; } .mb-2 { margin-bottom: 2rem; }
.flex { display: flex; } .flex-wrap { flex-wrap: wrap; }
.gap-2 { gap: 1rem; } .items-center { align-items: center; } .justify-center { justify-content: center; }
.hidden { display: none; }
.mx-auto { margin-inline: auto; }
.max-720 { max-width: 720px; }