/* ==========================================================================
   Gorand — Dark AI/IT theme design system
   ========================================================================== */

:root {
  --bg: #06070d;
  --bg-alt: #0b0e18;
  --surface: #10131f;
  --surface-2: #151a2b;
  --border: #232a42;
  --text: #eef0fa;
  --text-dim: #9aa1c4;
  --text-faint: #6b7194;
  --accent: #7c5cff;
  --accent-2: #22d3ee;
  --accent-3: #ff5cb3;
  --grad: linear-gradient(120deg, #7c5cff 0%, #22d3ee 100%);
  --grad-soft: linear-gradient(135deg, rgba(124,92,255,0.18), rgba(34,211,238,0.10));
  --shadow: 0 20px 60px -20px rgba(124, 92, 255, 0.35);
  --radius: 16px;
  --radius-sm: 10px;
  --maxw: 1180px;
  --font: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

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

section { position: relative; padding: 100px 0; }
section.tight { padding: 64px 0; }

/* Background texture */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  background-image:
    radial-gradient(circle at 15% 10%, rgba(124,92,255,0.14), transparent 45%),
    radial-gradient(circle at 85% 0%, rgba(34,211,238,0.10), transparent 40%),
    radial-gradient(circle at 50% 100%, rgba(255,92,179,0.08), transparent 40%);
  pointer-events: none;
  z-index: 0;
}

.bg-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(124,92,255,0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(124,92,255,0.06) 1px, transparent 1px);
  background-size: 42px 42px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, #000 40%, transparent 100%);
  pointer-events: none;
}

/* ---------- Typography ---------- */
h1, h2, h3, h4 { font-weight: 700; letter-spacing: -0.02em; line-height: 1.15; }
h1 { font-size: clamp(2.4rem, 5vw, 3.6rem); }
h2 { font-size: clamp(1.9rem, 3.4vw, 2.6rem); }
h3 { font-size: 1.3rem; }
p { color: var(--text-dim); }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent-2);
  background: rgba(34,211,238,0.08);
  border: 1px solid rgba(34,211,238,0.25);
  padding: 6px 14px;
  border-radius: 999px;
  margin-bottom: 20px;
}
.eyebrow::before {
  content: "";
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--accent-2);
  box-shadow: 0 0 8px var(--accent-2);
}

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

.section-head { max-width: 640px; margin-bottom: 56px; }
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }
.section-head p { margin-top: 14px; font-size: 1.05rem; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 26px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  border: 1px solid transparent;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease, border-color 0.2s ease;
  white-space: nowrap;
}
.btn-primary {
  background: var(--grad);
  color: #05060a;
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: var(--shadow); }

.btn-ghost {
  background: rgba(255,255,255,0.03);
  border-color: var(--border);
  color: var(--text);
}
.btn-ghost:hover { border-color: var(--accent); background: rgba(124,92,255,0.08); }

.btn-block { width: 100%; justify-content: center; }

/* ---------- Navbar ---------- */
header.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(6,7,13,0.72);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 16px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 1.15rem; }
.brand svg { width: 30px; height: 30px; }

.nav-links {
  display: flex;
  align-items: center;
  gap: 34px;
}
.nav-links a {
  font-size: 0.93rem;
  color: var(--text-dim);
  font-weight: 500;
  transition: color 0.15s ease;
  position: relative;
}
.nav-links a:hover { color: var(--text); }
.nav-links a.active { color: var(--text); }
.nav-links a.active::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -8px;
  height: 2px;
  background: var(--grad);
  border-radius: 2px;
}

.nav-cta { display: flex; align-items: center; gap: 18px; }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
}
.nav-toggle span { width: 22px; height: 2px; background: var(--text); border-radius: 2px; }

/* ---------- Footer ---------- */
footer {
  border-top: 1px solid var(--border);
  padding: 64px 0 28px;
  background: var(--bg-alt);
  position: relative;
  z-index: 1;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 40px;
}
.footer-brand p { margin-top: 14px; max-width: 280px; font-size: 0.92rem; }
.footer-col h4 { font-size: 0.85rem; letter-spacing: 0.06em; text-transform: uppercase; color: var(--text-faint); margin-bottom: 16px; }
.footer-col a, .footer-col li { display: block; margin-bottom: 10px; font-size: 0.92rem; color: var(--text-dim); }
.footer-col a:hover { color: var(--accent-2); }
.footer-bottom {
  border-top: 1px solid var(--border);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 0.85rem;
  color: var(--text-faint);
}
.social-row { display: flex; gap: 14px; }
.social-row a {
  width: 34px; height: 34px;
  border: 1px solid var(--border);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
}
.social-row a:hover { border-color: var(--accent); color: var(--accent-2); }

/* ---------- Cards ---------- */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
}
.card:hover { transform: translateY(-4px); border-color: rgba(124,92,255,0.4); box-shadow: var(--shadow); }

.icon-badge {
  width: 52px; height: 52px;
  border-radius: 14px;
  background: var(--grad-soft);
  border: 1px solid rgba(124,92,255,0.3);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 20px;
}
.icon-badge svg { width: 26px; height: 26px; stroke: var(--accent-2); }

.grid { display: grid; gap: 28px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

/* ---------- Hero ---------- */
.hero {
  padding: 120px 0 90px;
  position: relative;
  overflow: hidden;
}
.hero-inner {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 60px;
  align-items: center;
  position: relative;
  z-index: 2;
}
.hero h1 { margin-bottom: 22px; }
.hero p.lead { font-size: 1.15rem; max-width: 520px; margin-bottom: 34px; }
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }

.hero-visual {
  position: relative;
  height: 420px;
  border-radius: 24px;
  border: 1px solid var(--border);
  background: var(--surface);
  overflow: hidden;
}
#hero-canvas { position: absolute; inset: 0; width: 100%; height: 100%; }

.stat-strip {
  display: flex;
  gap: 0;
  margin-top: 70px;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.stat-strip .stat {
  flex: 1;
  padding: 28px 20px;
  text-align: center;
  border-right: 1px solid var(--border);
}
.stat-strip .stat:last-child { border-right: none; }
.stat .num { font-size: 2.1rem; font-weight: 800; background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.stat .label { font-size: 0.85rem; color: var(--text-faint); margin-top: 6px; }

/* ---------- Page header (non-home pages) ---------- */
.page-header {
  padding: 70px 0 60px;
  border-bottom: 1px solid var(--border);
}
.breadcrumb { font-size: 0.85rem; color: var(--text-faint); margin-bottom: 18px; }
.breadcrumb span { color: var(--accent-2); }

/* ---------- Tags / pills ---------- */
.pill {
  display: inline-block;
  padding: 5px 12px;
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 600;
  border: 1px solid var(--border);
  color: var(--text-dim);
  background: var(--surface-2);
}

/* ---------- Process steps ---------- */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; counter-reset: step; }
.step { position: relative; padding-top: 8px; }
.step .step-num {
  display: inline-flex; align-items: center; justify-content: center;
  width: 40px; height: 40px;
  border-radius: 50%;
  border: 1px solid var(--accent);
  color: var(--accent-2);
  font-weight: 700;
  margin-bottom: 18px;
}
.step h3 { margin-bottom: 10px; font-size: 1.1rem; }
.step p { font-size: 0.92rem; }

/* ---------- CTA band ---------- */
.cta-band {
  border-radius: 24px;
  background: var(--grad-soft);
  border: 1px solid rgba(124,92,255,0.3);
  padding: 64px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-band h2 { margin-bottom: 16px; }
.cta-band p { max-width: 520px; margin: 0 auto 30px; }

/* ---------- Forms ---------- */
.form-field { margin-bottom: 20px; }
.form-field label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--text-dim);
}
.form-field input,
.form-field textarea,
.form-field select {
  width: 100%;
  padding: 13px 16px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  font-family: var(--font);
  font-size: 0.95rem;
  transition: border-color 0.2s ease;
}
.form-field input:focus,
.form-field textarea:focus,
.form-field select:focus { outline: none; border-color: var(--accent); }
.form-field textarea { resize: vertical; min-height: 130px; }
.form-note { font-size: 0.8rem; color: var(--text-faint); margin-top: 20px; }

/* ---------- Value rows ---------- */
.value-row { display: flex; gap: 18px; align-items: flex-start; padding: 20px 0; border-bottom: 1px solid var(--border); }
.value-row:last-child { border-bottom: none; }
.value-row .num { color: var(--accent-2); font-weight: 700; font-size: 1.1rem; width: 34px; flex-shrink: 0; }

/* ---------- Case study ---------- */
.case-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}
.case-top { padding: 32px 32px 0; }
.case-metrics { display: flex; gap: 28px; padding: 24px 32px; border-top: 1px solid var(--border); margin-top: 24px; }
.case-metrics .metric .num { font-size: 1.6rem; font-weight: 800; color: var(--accent-2); }
.case-metrics .metric .label { font-size: 0.78rem; color: var(--text-faint); }

.example-flag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.72rem;
  color: var(--text-faint);
  border: 1px dashed var(--border);
  padding: 4px 10px;
  border-radius: 6px;
  margin-bottom: 18px;
}

.service-row { display: grid; grid-template-columns: 1fr 1.6fr; gap: 36px; align-items: start; }

/* ---------- Responsive ---------- */
@media (max-width: 980px) {
  .service-row { grid-template-columns: 1fr; }
  .hero-inner { grid-template-columns: 1fr; }
  .hero-visual { height: 320px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .stat-strip { flex-wrap: wrap; }
  .stat-strip .stat { flex: 1 1 50%; border-bottom: 1px solid var(--border); }
}

@media (max-width: 760px) {
  .nav-links, .nav-cta .btn-ghost { display: none; }
  .nav-toggle { display: flex; }
  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 100%; left: 0; right: 0;
    background: var(--bg-alt);
    border-bottom: 1px solid var(--border);
    padding: 20px 24px;
    gap: 18px;
  }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; }
  .case-metrics { flex-wrap: wrap; gap: 20px; }
  .cta-band { padding: 40px 24px; }
  section { padding: 70px 0; }
}