/* =========================================================
   HumanAI — shared stylesheet
   ========================================================= */

:root {
  --navy-950: #060c18;
  --navy-900: #0a1628;
  --navy-850: #0d1c33;
  --navy-800: #101f3a;
  --navy-700: #16294a;
  --navy-600: #1e3358;
  --blue-500: #2f7dfa;
  --blue-400: #4e93ff;
  --blue-300: #7fb0ff;
  --cyan-400: #38c6f4;
  --white: #ffffff;
  --ink-100: #f4f7fb;
  --ink-300: #c4cee0;
  --ink-400: #9aa8c3;
  --ink-500: #7c8aa8;
  --border-soft: rgba(255, 255, 255, 0.08);
  --border-strong: rgba(255, 255, 255, 0.16);
  --radius-md: 10px;
  --radius-lg: 16px;
  --max-width: 1200px;
  --font-body: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

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

body {
  margin: 0;
  font-family: var(--font-body);
  background: var(--navy-900);
  color: var(--ink-300);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
ul, ol { list-style: none; margin: 0; padding: 0; }
button { font-family: inherit; cursor: pointer; }

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

.eyebrow {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--cyan-400);
  margin-bottom: 12px;
}

h1, h2, h3, h4 { color: var(--white); font-weight: 700; line-height: 1.2; margin: 0 0 16px; }
h1 { font-size: clamp(34px, 5vw, 54px); }
h2 { font-size: clamp(26px, 3.4vw, 36px); }
h3 { font-size: 20px; }
p { margin: 0 0 16px; color: var(--ink-300); }

.text-center { text-align: center; }
.section { padding: 80px 0; }
.section-tight { padding: 56px 0; }
.section-alt { background: var(--navy-850); }
.section-head { max-width: 680px; margin: 0 auto 48px; text-align: center; }
.section-head p { color: var(--ink-400); }

/* ---------- Image frame (for placeholder <img> slots) ---------- */
.img-frame {
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border-soft);
}
.img-frame img { width: 100%; height: 100%; object-fit: cover; }
.img-frame.ratio-4-3 { aspect-ratio: 4/3; }
.img-frame.ratio-16-10 { aspect-ratio: 16/10; }
.img-frame.ratio-16-11 { aspect-ratio: 16/11; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 13px 26px; border-radius: 8px;
  font-size: 15px; font-weight: 600; border: 1px solid transparent;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease, opacity 0.15s ease;
  white-space: nowrap;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary { background: linear-gradient(135deg, var(--blue-500), var(--cyan-400)); color: var(--white); box-shadow: 0 8px 24px rgba(47, 125, 250, 0.35); }
.btn-primary:hover { box-shadow: 0 10px 30px rgba(47, 125, 250, 0.5); }
.btn-outline { background: transparent; border-color: var(--border-strong); color: var(--white); }
.btn-outline:hover { background: rgba(255, 255, 255, 0.06); }
.btn-sm { padding: 9px 18px; font-size: 13px; }
.btn-block { width: 100%; justify-content: center; }
.btn-disabled, .btn[aria-disabled="true"] {
  opacity: 0.45; cursor: not-allowed; pointer-events: none;
}

/* ---------- Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(6, 12, 24, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-soft);
}
.header-inner {
  display: flex; align-items: center; justify-content: space-between; gap: 24px;
  padding: 14px 24px; max-width: var(--max-width); margin: 0 auto;
}
.logo { display: flex; align-items: center; gap: 10px; color: var(--white); font-weight: 800; font-size: 20px; }
.logo .mark { width: 36px; height: 36px; border-radius: 8px; overflow: hidden; flex-shrink: 0; }
.logo .mark img { width: 100%; height: 100%; object-fit: contain; }
.logo small { display: block; font-size: 10px; font-weight: 500; color: var(--ink-500); text-transform: none; }
.logo .ai { color: var(--blue-400); }

.main-nav { display: flex; align-items: center; gap: 30px; }
.main-nav ul { display: flex; gap: 28px; align-items: center; }
.main-nav a {
  font-size: 14.5px; font-weight: 500; color: var(--ink-300);
  padding: 6px 0; border-bottom: 2px solid transparent;
  transition: color 0.15s ease, border-color 0.15s ease;
}
.main-nav a:hover, .main-nav a.active { color: var(--white); border-color: var(--blue-400); }
.header-cta { display: flex; align-items: center; gap: 16px; }
.nav-toggle {
  display: none; background: none; border: 1px solid var(--border-strong); border-radius: 8px;
  width: 40px; height: 40px; color: var(--white); font-size: 18px; align-items: center; justify-content: center;
}
.has-dropdown { position: relative; }
.dropdown {
  position: absolute; top: 100%; left: 0; margin-top: 14px;
  background: var(--navy-800); border: 1px solid var(--border-soft); border-radius: var(--radius-md);
  min-width: 220px; padding: 8px; opacity: 0; visibility: hidden; transform: translateY(6px);
  transition: all 0.15s ease; box-shadow: 0 20px 40px rgba(0,0,0,0.4);
}
.has-dropdown:hover .dropdown { opacity: 1; visibility: visible; transform: translateY(0); }
.dropdown a { display: block; padding: 10px 12px; border-radius: 6px; border-bottom: none; font-size: 14px; }
.dropdown a:hover { background: var(--navy-700); color: var(--white); }

/* ---------- Hero ---------- */
.hero {
  padding: 60px 0 48px;
  background:
    radial-gradient(ellipse at 20% 0%, rgba(47,125,250,0.16), transparent 55%),
    radial-gradient(ellipse at 90% 20%, rgba(56,198,244,0.10), transparent 50%),
    var(--navy-900);
}
.hero-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; }
.hero h1 { margin-bottom: 20px; }
.hero h1 .accent { background: linear-gradient(135deg, var(--blue-400), var(--cyan-400)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero p.lead { font-size: 16.5px; color: var(--ink-400); max-width: 480px; }
.hero-ctas { display: flex; gap: 14px; margin: 28px 0 32px; flex-wrap: wrap; }
.hero-pills { display: flex; gap: 28px; flex-wrap: wrap; }
.hero-pill { display: flex; align-items: center; gap: 8px; font-size: 13.5px; color: var(--ink-400); }
.hero-pill .dot {
  width: 26px; height: 26px; border-radius: 7px; background: var(--navy-700); border: 1px solid var(--border-soft);
  display: flex; align-items: center; justify-content: center; color: var(--blue-300); font-size: 13px;
}
.hero-visual { position: relative; border-radius: var(--radius-lg); overflow: hidden; aspect-ratio: 4/3.4; border: 1px solid var(--border-soft); }
.hero-visual img { width: 100%; height: 100%; object-fit: cover; }

/* ---------- Stats bar ---------- */
.stats-bar { background: var(--navy-850); border: 1px solid var(--border-soft); border-radius: var(--radius-lg); margin-top: 24px; padding: 32px 16px; }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.stat { display: flex; align-items: center; gap: 14px; padding: 0 16px; border-right: 1px solid var(--border-soft); }
.stat:last-child { border-right: none; }
.stat .icon { width: 42px; height: 42px; flex-shrink: 0; border-radius: 10px; background: var(--navy-700); display: flex; align-items: center; justify-content: center; color: var(--cyan-400); }
.stat strong { display: block; font-size: 24px; color: var(--white); }
.stat span { font-size: 13px; color: var(--ink-500); }

/* ---------- Two column feature ---------- */
.split { display: grid; grid-template-columns: 0.85fr 1.15fr; gap: 56px; align-items: center; }
.split.narrow-right { grid-template-columns: 1.15fr 0.85fr; }
.link-arrow { color: var(--blue-400); font-weight: 600; font-size: 14.5px; display: inline-block; }
.map-panel { border: 1px solid var(--border-soft); border-radius: var(--radius-lg); background: var(--navy-850); aspect-ratio: 16/11; display: flex; align-items: center; justify-content: center; overflow: hidden; }
.map-panel svg, .map-panel img { width: 100%; height: 100%; object-fit: cover; }

/* ---------- Cards grid ---------- */
.cards-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); gap: 20px; }
.card { background: var(--navy-850); border: 1px solid var(--border-soft); border-radius: var(--radius-lg); padding: 28px 22px; transition: border-color 0.15s ease, transform 0.15s ease; }
.card:hover { border-color: var(--border-strong); transform: translateY(-3px); }
.card .icon-badge { width: 46px; height: 46px; border-radius: 10px; background: var(--navy-700); display: flex; align-items: center; justify-content: center; color: var(--blue-400); margin-bottom: 18px; font-size: 20px; }
.card ul { margin: 14px 0 18px; }
.card li { font-size: 14px; color: var(--ink-400); padding: 5px 0 5px 18px; position: relative; }
.card li::before { content: ""; position: absolute; left: 0; top: 13px; width: 5px; height: 5px; border-radius: 50%; background: var(--blue-400); }

/* ---------- Why us / feature list ---------- */
.why-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; margin-top: 40px; }
.why-item { text-align: center; }
.why-item .icon-badge { width: 46px; height: 46px; border-radius: 50%; background: var(--navy-700); border: 1px solid var(--border-soft); display: flex; align-items: center; justify-content: center; color: var(--cyan-400); margin: 0 auto 14px; font-size: 20px; }
.why-item h4 { font-size: 15px; margin-bottom: 8px; }
.why-item p { font-size: 13.5px; color: var(--ink-500); margin: 0; }
.why-heading { max-width: 700px; }
.why-heading .accent { color: var(--blue-400); }

/* ---------- Process steps (AI Powered Platform, Core Values, etc.) ---------- */
.process-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-top: 36px; }
.process-grid.cols-4 { grid-template-columns: repeat(4, 1fr); }
.process-grid.cols-5 { grid-template-columns: repeat(5, 1fr); }
.process-card { background: var(--navy-850); border: 1px solid var(--border-soft); border-radius: var(--radius-lg); padding: 26px 22px; }
.process-card .num { color: var(--blue-400); font-weight: 800; font-size: 22px; margin-bottom: 10px; }
.process-card h4 { font-size: 16px; margin-bottom: 10px; }
.process-card ol { counter-reset: step; }
.process-card ol li { counter-increment: step; font-size: 13.5px; color: var(--ink-400); padding: 4px 0 4px 26px; position: relative; }
.process-card ol li::before {
  content: counter(step); position: absolute; left: 0; top: 2px;
  width: 18px; height: 18px; border-radius: 50%; background: var(--navy-700);
  color: var(--blue-300); font-size: 10.5px; font-weight: 700; display: flex; align-items: center; justify-content: center;
}
.process-card p { font-size: 13.5px; margin: 0; }

/* ---------- Value grid (About page) ---------- */
.value-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.value-grid.cols-4 { grid-template-columns: repeat(4, 1fr); }
.value-grid.cols-5 { grid-template-columns: repeat(5, 1fr); }
.value-card { background: var(--navy-850); border: 1px solid var(--border-soft); border-radius: var(--radius-lg); padding: 26px; }
.value-card .num { color: var(--blue-400); font-weight: 800; font-size: 24px; margin-bottom: 10px; }
.value-card h4 { font-size: 15.5px; margin-bottom: 8px; }
.value-card p { font-size: 13.5px; margin: 0; }

/* ---------- Benefit list (About page, tangible benefits) ---------- */
.benefit-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px 32px; }
.benefit-item { font-size: 14.5px; color: var(--ink-300); padding-left: 24px; position: relative; }
.benefit-item::before { content: "✓"; position: absolute; left: 0; top: 1px; color: var(--cyan-400); font-weight: 700; }
.benefit-item strong { color: var(--white); }

/* ---------- Subsection blocks (About "Why HumanAI Services") ---------- */
.subsection { margin-bottom: 36px; }
.subsection h3 { font-size: 19px; margin-bottom: 10px; }

/* ---------- Trust / partner strip ---------- */
.partner-strip { display: flex; align-items: center; justify-content: center; gap: 20px; flex-wrap: wrap; margin-top: 36px; }
.partner-strip img { height: 50px; width: auto; opacity: 0.85; }
.partner-chip {
  font-size: 13px; font-weight: 600; color: var(--ink-300);
  background: var(--navy-800); border: 1px solid var(--border-soft);
  border-radius: 20px; padding: 10px 18px;
}

/* ---------- Innovation lab / product cards ---------- */
.lab-strip { display: flex; gap: 20px; overflow-x: auto; padding-bottom: 8px; scroll-snap-type: x proximity; }
.lab-strip::-webkit-scrollbar { height: 6px; }
.lab-strip::-webkit-scrollbar-thumb { background: var(--navy-700); border-radius: 6px; }
.lab-card { min-width: 240px; scroll-snap-align: start; background: var(--navy-800); border: 1px solid var(--border-soft); border-radius: var(--radius-lg); overflow: hidden; }
.lab-card .thumb { aspect-ratio: 16/10; position: relative; }
.lab-card .thumb img { width: 100%; height: 100%; object-fit: cover; }
.lab-card .badge {
  position: absolute; top: 10px; right: 10px; background: var(--blue-500); color: var(--white);
  font-size: 10.5px; font-weight: 700; padding: 4px 9px; border-radius: 20px; letter-spacing: 0.03em;
}
.lab-card .body { padding: 16px 18px 20px; }
.lab-card h4 { margin-bottom: 4px; font-size: 15px; }
.lab-card span { font-size: 13px; color: var(--ink-500); }
.carousel-controls { display: flex; gap: 10px; }
.carousel-btn { width: 38px; height: 38px; border-radius: 50%; border: 1px solid var(--border-strong); background: transparent; color: var(--white); display: flex; align-items: center; justify-content: center; }
.carousel-btn:hover { background: var(--navy-700); }

.product-card { background: var(--navy-850); border: 1px solid var(--border-soft); border-radius: var(--radius-lg); overflow: hidden; display: flex; flex-direction: column; }
.product-card .thumb { aspect-ratio: 16/10; position: relative; }
.product-card .thumb img { width: 100%; height: 100%; object-fit: cover; }
.product-card .badge { position: absolute; top: 12px; right: 12px; background: var(--blue-500); color: var(--white); font-size: 11px; font-weight: 700; padding: 5px 11px; border-radius: 20px; }
.product-card .body { padding: 22px; display: flex; flex-direction: column; gap: 10px; flex: 1; }
.product-card .body p { flex: 1; margin: 0; font-size: 14px; }
.product-card .demo-link-note { font-size: 12px; color: var(--ink-500); margin: 0; }

/* ---------- Page hero (interior pages) ---------- */
.page-hero {
  padding: 56px 0 48px; text-align: center;
  background: radial-gradient(ellipse at 50% 0%, rgba(47,125,250,0.18), transparent 60%), var(--navy-900);
  border-bottom: 1px solid var(--border-soft);
}
.page-hero p { max-width: 680px; margin: 0 auto; }

/* ---------- Detail rows (solutions/industries pages) ---------- */
.detail-row { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; padding: 56px 0; border-bottom: 1px solid var(--border-soft); }
.detail-row:last-child { border-bottom: none; }
.detail-row.reverse .detail-visual { order: 2; }
.detail-visual { border-radius: var(--radius-lg); aspect-ratio: 4/3; border: 1px solid var(--border-soft); overflow: hidden; }
.detail-visual img { width: 100%; height: 100%; object-fit: cover; }
.tag-row { display: flex; gap: 8px; flex-wrap: wrap; margin: 16px 0 20px; }
.tag { font-size: 12.5px; font-weight: 600; padding: 6px 12px; border-radius: 20px; background: var(--navy-700); color: var(--blue-300); border: 1px solid var(--border-soft); }
.ideal-for-label { font-size: 12.5px; font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase; color: var(--ink-500); margin: 18px 0 8px; }

/* ---------- Forms ---------- */
.form-panel { background: var(--navy-850); border: 1px solid var(--border-soft); border-radius: var(--radius-lg); padding: 36px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.field { margin-bottom: 18px; }
.field label { display: block; font-size: 13.5px; font-weight: 600; color: var(--ink-300); margin-bottom: 7px; }
.field input, .field select, .field textarea {
  width: 100%; background: var(--navy-800); border: 1px solid var(--border-strong); border-radius: 8px;
  padding: 12px 14px; color: var(--white); font-size: 14.5px; font-family: inherit;
}
.field textarea { resize: vertical; min-height: 120px; }
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--blue-400); }
.form-note { font-size: 12.5px; color: var(--ink-500); margin-top: 10px; }
.contact-info-list { display: grid; gap: 18px; margin-bottom: 24px; }
.contact-info-item { display: flex; gap: 14px; align-items: flex-start; }
.contact-info-item .icon-badge { width: 42px; height: 42px; border-radius: 10px; background: var(--navy-700); flex-shrink: 0; display: flex; align-items: center; justify-content: center; color: var(--cyan-400); font-size: 18px; }
.contact-info-item h4 { margin-bottom: 3px; font-size: 15px; }
.contact-info-item p { margin: 0; font-size: 14px; }

/* ---------- CTA band ---------- */
.cta-band { border-radius: var(--radius-lg); padding: 48px; text-align: center; background: linear-gradient(135deg, rgba(47,125,250,0.18), rgba(56,198,244,0.10)); border: 1px solid var(--border-soft); }
.cta-band h2 { margin-bottom: 10px; }
.cta-band .btn-row { display: flex; gap: 14px; justify-content: center; margin-top: 22px; flex-wrap: wrap; }

/* ---------- Footer ---------- */
.site-footer { background: var(--navy-950); border-top: 1px solid var(--border-soft); padding: 64px 0 0; margin-top: 40px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr 1fr 1.2fr; gap: 28px; padding-bottom: 48px; border-bottom: 1px solid var(--border-soft); }
.footer-grid h4 { color: var(--white); font-size: 13.5px; letter-spacing: 0.04em; text-transform: uppercase; margin-bottom: 18px; }
.footer-grid li { margin-bottom: 10px; }
.footer-grid a { font-size: 14px; color: var(--ink-400); }
.footer-grid a:hover { color: var(--white); }
.footer-about p { font-size: 13.5px; color: var(--ink-500); }
.social-row { display: flex; gap: 10px; margin-top: 18px; }
.social-row a { width: 34px; height: 34px; border-radius: 8px; border: 1px solid var(--border-strong); display: flex; align-items: center; justify-content: center; }
.social-row a:hover { background: var(--navy-800); }
.newsletter-form { display: flex; gap: 0; margin-top: 12px; }
.newsletter-form input { flex: 1; background: var(--navy-800); border: 1px solid var(--border-strong); border-right: none; border-radius: 8px 0 0 8px; padding: 11px 14px; color: var(--white); font-size: 13.5px; }
.newsletter-form button { background: var(--blue-500); border: none; color: var(--white); padding: 0 18px; border-radius: 0 8px 8px 0; font-size: 15px; }
.footer-bottom { display: flex; justify-content: space-between; align-items: center; padding: 22px 0; font-size: 13px; color: var(--ink-500); flex-wrap: wrap; gap: 10px; }
.footer-bottom a { color: var(--ink-500); margin-left: 18px; }
.footer-bottom a:hover { color: var(--white); }

/* ---------- Responsive ---------- */
@media (max-width: 980px) {
  .hero-grid, .split, .detail-row { grid-template-columns: 1fr; }
  .split.narrow-right { grid-template-columns: 1fr; }
  .detail-row.reverse .detail-visual { order: 0; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .stat { border-right: none; border-bottom: 1px solid var(--border-soft); padding-bottom: 16px; }
  .why-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .value-grid, .value-grid.cols-4, .value-grid.cols-5 { grid-template-columns: 1fr 1fr; }
  .process-grid, .process-grid.cols-4, .process-grid.cols-5 { grid-template-columns: 1fr 1fr; }
  .benefit-grid { grid-template-columns: 1fr; }
}

@media (max-width: 760px) {
  .main-nav { position: fixed; top: 68px; left: 0; right: 0; bottom: 0; background: var(--navy-950); flex-direction: column; align-items: flex-start; padding: 24px; gap: 20px; transform: translateX(100%); transition: transform 0.2s ease; overflow-y: auto; }
  .main-nav.open { transform: translateX(0); }
  .main-nav ul { flex-direction: column; align-items: flex-start; gap: 18px; width: 100%; }
  .dropdown { position: static; opacity: 1; visibility: visible; transform: none; box-shadow: none; margin-top: 8px; display: none; }
  .has-dropdown.open .dropdown { display: block; }
  .nav-toggle { display: flex; }
  .header-cta .btn-outline { display: none; }
  .form-row { grid-template-columns: 1fr; }
  .why-grid { grid-template-columns: 1fr; }
  .value-grid, .value-grid.cols-4, .value-grid.cols-5 { grid-template-columns: 1fr; }
  .process-grid, .process-grid.cols-4, .process-grid.cols-5 { grid-template-columns: 1fr; }
}