/* aiqms.online — AI QMS product site */
:root {
  --navy: #0b1f4a;
  --navy-deep: #06122c;
  --blue: #1d4ed8;
  --blue-bright: #2563eb;
  --cyan: #22d3ee;
  --teal: #0d9488;
  --slate: #0f172a;
  --muted: #64748b;
  --line: #e2e8f0;
  --bg: #f8fafc;
  --card: #ffffff;
  --ok: #059669;
  --warn: #d97706;
  --radius: 1.25rem;
  --shadow: 0 20px 50px -20px rgba(11, 31, 74, 0.35);
  --font: "Inter", system-ui, -apple-system, Segoe UI, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font);
  color: var(--slate);
  background: var(--bg);
  line-height: 1.6;
}
a { color: var(--blue); text-decoration: none; }
a:hover { text-decoration: underline; }
img { max-width: 100%; height: auto; }

.container {
  width: min(1120px, calc(100% - 2.5rem));
  margin-inline: auto;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
  box-shadow: 0 1px 0 rgba(15, 23, 42, 0.03);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 0;
}
.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--navy);
  font-weight: 800;
  letter-spacing: -0.03em;
  font-size: 1.15rem;
  text-decoration: none;
}
.brand:hover { text-decoration: none; }
.brand-mark {
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 0.85rem;
  background: linear-gradient(135deg, var(--navy) 0%, var(--blue) 60%, var(--cyan) 120%);
  color: #fff;
  display: grid;
  place-items: center;
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.02em;
  box-shadow: 0 8px 20px -8px rgba(29, 78, 216, 0.7);
}
.nav {
  display: none;
  align-items: center;
  gap: 1.1rem;
  font-weight: 600;
  font-size: 0.95rem;
}
.nav a { color: #1e293b; text-decoration: none; }
.nav a:hover { color: var(--blue); }
.nav a.active { color: var(--blue); }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  border: none;
  border-radius: 999px;
  padding: 0.8rem 1.35rem;
  font-weight: 700;
  font-size: 0.95rem;
  cursor: pointer;
  text-decoration: none;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
}
.btn:hover { text-decoration: none; transform: translateY(-1px); }
.btn-primary {
  background: linear-gradient(135deg, var(--blue-bright), var(--navy));
  color: #fff;
  box-shadow: 0 12px 28px -12px rgba(29, 78, 216, 0.8);
}
.btn-primary:hover { color: #fff; }
.btn-secondary {
  background: #fff;
  color: var(--navy);
  border: 1px solid var(--line);
}
.btn-secondary:hover { border-color: #cbd5e1; color: var(--navy); }
.btn-dark {
  background: var(--slate);
  color: #fff;
}
.btn-dark:hover { color: #fff; background: #020617; }
.btn-block { width: 100%; }
.btn:disabled { opacity: 0.55; cursor: not-allowed; transform: none; }

.nav-toggle {
  display: inline-flex;
  border: 1px solid var(--line);
  background: #fff;
  border-radius: 0.75rem;
  padding: 0.5rem 0.75rem;
  font-size: 1.25rem;
  cursor: pointer;
}
@media (min-width: 960px) {
  .nav { display: flex; }
  .nav-toggle { display: none; }
}
.nav.open {
  display: flex;
  position: absolute;
  left: 0;
  right: 0;
  top: 100%;
  flex-direction: column;
  align-items: stretch;
  background: #fff;
  border-bottom: 1px solid var(--line);
  padding: 1rem 1.25rem 1.25rem;
  gap: 0.75rem;
}

/* Hero */
.hero {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(circle at 15% 20%, rgba(34, 211, 238, 0.18), transparent 35%),
    radial-gradient(circle at 85% 10%, rgba(37, 99, 235, 0.35), transparent 40%),
    linear-gradient(160deg, var(--navy-deep) 0%, var(--navy) 45%, #0b3a75 100%);
  color: #fff;
  padding: 4.5rem 0 5rem;
}
.hero h1 {
  font-size: clamp(2.4rem, 5vw, 3.75rem);
  line-height: 1.05;
  letter-spacing: -0.04em;
  margin: 0 0 1.25rem;
  max-width: 15ch;
}
.hero .lead {
  font-size: clamp(1.1rem, 2vw, 1.35rem);
  color: rgba(255, 255, 255, 0.9);
  max-width: 42rem;
  margin: 0 0 2rem;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  margin-bottom: 2.5rem;
}
.hero-panel {
  display: grid;
  gap: 1rem;
  grid-template-columns: 1fr;
}
@media (min-width: 900px) {
  .hero-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.9fr;
    gap: 2.5rem;
    align-items: center;
  }
}
.stat-card {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: var(--radius);
  padding: 1.1rem 1.2rem;
  backdrop-filter: blur(8px);
}
.stat-card strong {
  display: block;
  font-size: 1.45rem;
  letter-spacing: -0.03em;
  margin-bottom: 0.15rem;
}
.stat-card span { color: rgba(255, 255, 255, 0.78); font-size: 0.92rem; }

/* Sections */
.section { padding: 4.5rem 0; }
.section-muted { background: #fff; }
.section-head {
  max-width: 42rem;
  margin-bottom: 2.25rem;
}
.section-head h2 {
  margin: 0 0 0.75rem;
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  letter-spacing: -0.03em;
  color: var(--navy);
}
.section-head p { margin: 0; color: var(--muted); font-size: 1.05rem; }
.eyebrow {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--blue);
  margin-bottom: 0.65rem;
}
.hero .eyebrow { color: var(--cyan); }

.grid-3 {
  display: grid;
  gap: 1.25rem;
  grid-template-columns: 1fr;
}
.grid-2 {
  display: grid;
  gap: 1.25rem;
  grid-template-columns: 1fr;
}
@media (min-width: 720px) {
  .grid-2 { grid-template-columns: 1fr 1fr; }
  .grid-3 { grid-template-columns: repeat(3, 1fr); }
}

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.4rem 1.45rem;
  box-shadow: 0 10px 30px -22px rgba(15, 23, 42, 0.35);
}
.card h3 {
  margin: 0 0 0.55rem;
  font-size: 1.15rem;
  letter-spacing: -0.02em;
  color: var(--navy);
}
.card p { margin: 0; color: var(--muted); font-size: 0.98rem; }
.card .icon {
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 0.8rem;
  display: grid;
  place-items: center;
  margin-bottom: 0.9rem;
  background: linear-gradient(135deg, #eff6ff, #e0f2fe);
  color: var(--blue);
  font-weight: 800;
  font-size: 0.85rem;
}

.feature-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 0.75rem;
}
.feature-list li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.75rem;
  align-items: start;
  padding: 0.85rem 1rem;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 1rem;
}
.feature-list .tick {
  width: 1.35rem;
  height: 1.35rem;
  border-radius: 999px;
  background: #ecfdf5;
  color: var(--ok);
  display: grid;
  place-items: center;
  font-size: 0.75rem;
  font-weight: 800;
  margin-top: 0.15rem;
}

.clause-table {
  width: 100%;
  border-collapse: collapse;
  background: #fff;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--line);
  font-size: 0.95rem;
}
.clause-table th,
.clause-table td {
  padding: 0.95rem 1rem;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}
.clause-table th {
  background: #0b1f4a;
  color: #fff;
  font-weight: 600;
}
.clause-table tr:last-child td { border-bottom: none; }
.clause-table td:first-child {
  font-weight: 700;
  color: var(--navy);
  white-space: nowrap;
}

.page-hero {
  background: linear-gradient(160deg, var(--navy-deep), var(--navy) 55%, #123a7a);
  color: #fff;
  padding: 3.5rem 0 3.75rem;
}
.page-hero h1 {
  margin: 0 0 0.85rem;
  font-size: clamp(2rem, 4vw, 3rem);
  letter-spacing: -0.035em;
}
.page-hero p {
  margin: 0;
  max-width: 40rem;
  color: rgba(255, 255, 255, 0.9);
  font-size: 1.1rem;
}

.cta-band {
  background: linear-gradient(120deg, #0b1f4a, #1d4ed8 70%, #0d9488);
  color: #fff;
  border-radius: calc(var(--radius) + 0.25rem);
  padding: 2rem;
  display: grid;
  gap: 1.25rem;
  align-items: center;
}
@media (min-width: 800px) {
  .cta-band {
    grid-template-columns: 1.4fr auto;
  }
}
.cta-band h2 {
  margin: 0 0 0.5rem;
  font-size: 1.7rem;
  letter-spacing: -0.03em;
}
.cta-band p { margin: 0; color: rgba(255, 255, 255, 0.9); }
.cta-band .btn-secondary {
  border: none;
}

/* Forms */
.form-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: calc(var(--radius) + 0.15rem);
  box-shadow: var(--shadow);
  padding: 1.75rem;
}
.form-card h2 {
  margin: 0 0 0.35rem;
  color: var(--navy);
  letter-spacing: -0.03em;
}
.form-card .intro {
  margin: 0 0 1.5rem;
  color: var(--muted);
}
.form-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: 1fr;
}
@media (min-width: 700px) {
  .form-grid.two { grid-template-columns: 1fr 1fr; }
}
label {
  display: block;
  font-size: 0.88rem;
  font-weight: 700;
  color: #334155;
  margin-bottom: 0.4rem;
}
label .req { color: #dc2626; }
input[type="text"],
input[type="email"],
input[type="tel"],
input[type="url"],
input[type="date"],
select,
textarea {
  width: 100%;
  border: 1px solid #cbd5e1;
  border-radius: 0.9rem;
  padding: 0.8rem 0.95rem;
  font: inherit;
  background: #fff;
  color: var(--slate);
}
input:focus,
select:focus,
textarea:focus {
  outline: none;
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}
textarea { min-height: 8rem; resize: vertical; }
.field { margin-bottom: 0.15rem; }
.help { font-size: 0.85rem; color: var(--muted); margin-top: 0.35rem; }
.hp-field {
  position: absolute !important;
  left: -9999px !important;
  width: 1px !important;
  height: 1px !important;
  overflow: hidden !important;
}
.form-status {
  display: none;
  margin: 1rem 0;
  padding: 0.9rem 1rem;
  border-radius: 0.9rem;
  font-size: 0.95rem;
  font-weight: 600;
  border: 1px solid transparent;
}
.form-status.show { display: block; }
.form-status.ok {
  background: #ecfdf5;
  color: #065f46;
  border-color: #a7f3d0;
}
.form-status.err {
  background: #fef2f2;
  color: #991b1b;
  border-color: #fecaca;
}

.pill-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 1rem 0 0;
}
.pill {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  padding: 0.35rem 0.75rem;
  font-size: 0.8rem;
  font-weight: 700;
  background: #eff6ff;
  color: #1e40af;
}

/* Footer */
.site-footer {
  background: #fff;
  border-top: 1px solid var(--line);
  padding: 2.5rem 0 2rem;
  margin-top: 2rem;
}
.footer-grid {
  display: grid;
  gap: 1.5rem;
}
@media (min-width: 800px) {
  .footer-grid {
    grid-template-columns: 1.4fr 1fr 1fr;
  }
}
.site-footer h3 {
  margin: 0 0 0.75rem;
  font-size: 0.95rem;
  color: var(--navy);
}
.site-footer p,
.site-footer a {
  color: var(--muted);
  font-size: 0.92rem;
}
.site-footer ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 0.45rem;
}
.footer-bottom {
  margin-top: 2rem;
  padding-top: 1rem;
  border-top: 1px solid var(--line);
  color: #94a3b8;
  font-size: 0.82rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  justify-content: space-between;
}

.muted { color: var(--muted); }
.center { text-align: center; }
.mt-0 { margin-top: 0; }
.mb-0 { margin-bottom: 0; }

.sister-links a { color: #64748b; margin-inline: 0.15rem; }
.sister-links a:hover { color: #1d4ed8; }