/* ═══════════════════════════════════════════════════════════════════════════
   Interseqt — Company Website Styles
   Modern, clean, indigo design system
   ═══════════════════════════════════════════════════════════════════════════ */

/* ── Reset & Variables ─────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --indigo-50: #eef2ff;
  --indigo-100: #e0e7ff;
  --indigo-200: #c7d2fe;
  --indigo-400: #818cf8;
  --indigo-500: #6366f1;
  --indigo-600: #4f46e5;
  --indigo-700: #4338ca;
  --indigo-800: #3730a3;
  --indigo-900: #312e81;

  --gray-50: #f8fafc;
  --gray-100: #f1f5f9;
  --gray-200: #e2e8f0;
  --gray-300: #cbd5e1;
  --gray-400: #94a3b8;
  --gray-500: #64748b;
  --gray-600: #475569;
  --gray-700: #334155;
  --gray-800: #1e293b;
  --gray-900: #0f172a;

  --white: #ffffff;
  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --radius: 12px;
  --radius-sm: 8px;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
  --shadow: 0 4px 6px -1px rgba(0,0,0,0.07), 0 2px 4px -1px rgba(0,0,0,0.04);
  --shadow-lg: 0 10px 25px -3px rgba(0,0,0,0.08), 0 4px 10px -2px rgba(0,0,0,0.04);
  --shadow-xl: 0 20px 40px -5px rgba(0,0,0,0.1);
  --transition: 0.2s ease;
}

html { scroll-behavior: smooth; scroll-padding-top: 80px; }

body {
  font-family: var(--font);
  color: var(--gray-800);
  line-height: 1.6;
  background: var(--white);
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }

a { color: var(--indigo-600); text-decoration: none; }
a:hover { color: var(--indigo-700); }

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ── Navigation ────────────────────────────────────────────────────────── */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(0,0,0,0.06);
  transition: box-shadow var(--transition);
}
.nav.scrolled { box-shadow: var(--shadow); }

.nav-inner {
  display: flex;
  align-items: center;
  height: 72px;
  gap: 32px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  flex-shrink: 0;
}

.logo-icon {
  width: 36px;
  height: 36px;
  object-fit: contain;
  background: var(--indigo-600);
  border-radius: 10px;
  padding: 4px;
}

.logo-text {
  font-size: 20px;
  font-weight: 700;
  color: var(--gray-900);
  letter-spacing: -0.02em;
}

.logo-Q {
  color: var(--indigo-500);
  font-weight: 800;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
  margin-left: auto;
}

.nav-links a {
  font-size: 14px;
  font-weight: 500;
  color: var(--gray-600);
  transition: color var(--transition);
}
.nav-links a:hover { color: var(--gray-900); }

.nav-cta {
  display: inline-flex;
  align-items: center;
  padding: 8px 20px;
  background: var(--indigo-600);
  color: var(--white) !important;
  font-size: 14px;
  font-weight: 600;
  border-radius: var(--radius-sm);
  transition: background var(--transition), transform var(--transition);
  white-space: nowrap;
}
.nav-cta:hover { background: var(--indigo-700); transform: translateY(-1px); }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--gray-700);
  border-radius: 2px;
  transition: var(--transition);
}

/* ── Buttons ───────────────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font);
  font-weight: 600;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition);
  border: 2px solid transparent;
  text-decoration: none;
  font-size: 14px;
  padding: 10px 24px;
}

.btn-primary {
  background: var(--indigo-600);
  color: var(--white);
  border-color: var(--indigo-600);
}
.btn-primary:hover {
  background: var(--indigo-700);
  border-color: var(--indigo-700);
  color: var(--white);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(79,70,229,0.3);
}

.btn-outline {
  background: transparent;
  color: var(--indigo-600);
  border-color: var(--indigo-200);
}
.btn-outline:hover {
  background: var(--indigo-50);
  border-color: var(--indigo-400);
  color: var(--indigo-700);
}

.btn-lg { padding: 14px 32px; font-size: 16px; border-radius: var(--radius); }
.btn-block { width: 100%; }

/* ── Hero ──────────────────────────────────────────────────────────────── */
.hero {
  position: relative;
  padding: 160px 0 100px;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 50% 0%, rgba(99,102,241,0.08) 0%, transparent 60%),
    radial-gradient(ellipse 60% 50% at 80% 20%, rgba(129,140,248,0.06) 0%, transparent 50%),
    radial-gradient(ellipse 50% 40% at 20% 30%, rgba(79,70,229,0.04) 0%, transparent 50%);
  z-index: 0;
}

.hero-inner {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
}

.hero-badge {
  display: inline-block;
  padding: 6px 16px;
  background: var(--indigo-50);
  color: var(--indigo-700);
  font-size: 13px;
  font-weight: 600;
  border-radius: 100px;
  border: 1px solid var(--indigo-100);
  margin-bottom: 24px;
  letter-spacing: 0.02em;
}

.hero-title {
  font-size: clamp(40px, 6vw, 64px);
  font-weight: 800;
  line-height: 1.1;
  color: var(--gray-900);
  letter-spacing: -0.03em;
  margin-bottom: 24px;
}

.hero-gradient {
  background: linear-gradient(135deg, var(--indigo-600) 0%, var(--indigo-400) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: 18px;
  line-height: 1.7;
  color: var(--gray-500);
  margin-bottom: 40px;
  max-width: 640px;
  margin-left: auto;
  margin-right: auto;
}

.hero-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 64px;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  padding: 32px;
  background: var(--white);
  border-radius: var(--radius);
  border: 1px solid var(--gray-200);
  box-shadow: var(--shadow-lg);
}

.hero-stat { text-align: center; }
.hero-stat-value {
  font-size: 28px;
  font-weight: 800;
  color: var(--indigo-600);
  letter-spacing: -0.02em;
}
.hero-stat-label {
  font-size: 13px;
  color: var(--gray-500);
  margin-top: 4px;
  font-weight: 500;
}

/* ── Trust Bar ─────────────────────────────────────────────────────────── */
.trust-bar {
  padding: 40px 0;
  background: var(--gray-50);
  border-top: 1px solid var(--gray-100);
  border-bottom: 1px solid var(--gray-100);
}

.trust-label {
  text-align: center;
  font-size: 13px;
  color: var(--gray-400);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 600;
  margin-bottom: 20px;
}

.trust-logos {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 40px;
  flex-wrap: wrap;
}

.trust-logo {
  font-size: 16px;
  font-weight: 700;
  color: var(--gray-600);
  letter-spacing: 0.02em;
}

/* ── Sections ──────────────────────────────────────────────────────────── */
.section { padding: 100px 0; }
.section--light { background: var(--gray-50); }
.section--dark { background: var(--gray-900); }

.section-header {
  text-align: center;
  margin-bottom: 64px;
}

.section-badge {
  display: inline-block;
  padding: 5px 14px;
  background: var(--indigo-50);
  color: var(--indigo-700);
  font-size: 12px;
  font-weight: 600;
  border-radius: 100px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-bottom: 16px;
}
.section-badge--light {
  background: rgba(255,255,255,0.1);
  color: var(--indigo-200);
}

.section-title {
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 800;
  color: var(--gray-900);
  letter-spacing: -0.02em;
  line-height: 1.2;
  margin-bottom: 16px;
}
.section-title--light { color: var(--white); }

.section-subtitle {
  font-size: 17px;
  color: var(--gray-500);
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.7;
}
.section-subtitle--light { color: var(--gray-400); }

/* ── Features Grid ─────────────────────────────────────────────────────── */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.feature-card {
  padding: 32px;
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  transition: all var(--transition);
}
.feature-card:hover {
  border-color: var(--indigo-200);
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
}
.feature-card--highlight {
  border-color: var(--indigo-200);
  background: linear-gradient(135deg, var(--indigo-50) 0%, var(--white) 100%);
}

.feature-icon { font-size: 28px; margin-bottom: 16px; }

.feature-card h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: 8px;
}

.feature-card p {
  font-size: 14px;
  color: var(--gray-500);
  line-height: 1.7;
}

/* ── Steps Grid ────────────────────────────────────────────────────────── */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.step-card {
  padding: 28px;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius);
  transition: all var(--transition);
}
.step-card:hover {
  background: rgba(255,255,255,0.08);
  border-color: rgba(99,102,241,0.3);
  transform: translateY(-2px);
}

.step-number {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background: var(--indigo-600);
  color: var(--white);
  font-size: 16px;
  font-weight: 800;
  border-radius: 50%;
  margin-bottom: 16px;
}

.step-card h3 {
  font-size: 17px;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 10px;
}

.step-card p {
  font-size: 13px;
  color: var(--gray-400);
  line-height: 1.7;
}

/* ── Verticals Grid ────────────────────────────────────────────────────── */
.verticals-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.vertical-card {
  padding: 32px;
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  transition: all var(--transition);
}
.vertical-card:hover {
  border-color: var(--indigo-200);
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
}

.vertical-icon { font-size: 32px; margin-bottom: 16px; }

.vertical-card h3 {
  font-size: 17px;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: 16px;
}

.vertical-card ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.vertical-card li {
  font-size: 13px;
  color: var(--gray-600);
  padding-left: 20px;
  position: relative;
}
.vertical-card li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 7px;
  width: 6px;
  height: 6px;
  background: var(--indigo-400);
  border-radius: 50%;
}

/* ── Protocols Grid ────────────────────────────────────────────────────── */
.protocols-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.protocol-card {
  padding: 24px;
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-sm);
  text-align: center;
  transition: all var(--transition);
}
.protocol-card:hover {
  border-color: var(--indigo-200);
  box-shadow: var(--shadow);
}

.protocol-name {
  font-size: 15px;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: 6px;
}

.protocol-card p {
  font-size: 12px;
  color: var(--gray-500);
  line-height: 1.5;
}

/* ── Why Grid ──────────────────────────────────────────────────────────── */
.why-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.why-card {
  padding: 32px;
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  transition: all var(--transition);
}
.why-card:hover {
  border-color: var(--indigo-200);
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
}

.why-icon { font-size: 28px; margin-bottom: 16px; }

.why-card h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: 8px;
}

.why-card p {
  font-size: 14px;
  color: var(--gray-500);
  line-height: 1.7;
}

/* ── Observability ─────────────────────────────────────────────────────── */
.obs-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.obs-item {
  text-align: center;
  padding: 24px;
}

.obs-icon { font-size: 28px; margin-bottom: 12px; }

.obs-item h4 {
  font-size: 16px;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 8px;
}

.obs-item p {
  font-size: 13px;
  color: var(--gray-400);
  line-height: 1.6;
}

/* ── Compliance Cards ─────────────────────────────────────────────────── */
.compliance-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 64px;
  max-width: 960px;
  margin-left: auto;
  margin-right: auto;
}

.compliance-card {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 16px;
  padding: 28px 24px;
  transition: border-color 0.3s ease, transform 0.3s ease;
  display: flex;
  flex-direction: column;
  align-self: stretch;
}

.compliance-card:hover {
  border-color: var(--indigo-400);
  transform: translateY(-2px);
}

.compliance-icon {
  font-size: 32px;
  margin-bottom: 12px;
}

.compliance-card h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 4px;
}

.compliance-region {
  font-size: 13px;
  color: var(--indigo-400);
  font-weight: 500;
  margin-bottom: 16px;
}

.compliance-list {
  list-style: none;
  padding: 0;
}

.compliance-list li {
  font-size: 13px;
  color: var(--gray-400);
  line-height: 1.6;
  padding: 4px 0 4px 18px;
  position: relative;
}

.compliance-list li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: #22c55e;
  font-weight: 700;
  font-size: 12px;
}

/* ── Data Residency ───────────────────────────────────────────────────── */
.residency-section {
  margin-bottom: 64px;
}

.residency-title {
  font-size: 20px;
  font-weight: 700;
  color: var(--white);
  text-align: center;
  margin-bottom: 8px;
}

.residency-subtitle {
  font-size: 14px;
  color: var(--gray-400);
  text-align: center;
  max-width: 640px;
  margin: 0 auto 32px;
  line-height: 1.6;
}

.residency-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.residency-item {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 12px;
  padding: 24px;
  text-align: center;
}

.residency-region {
  font-size: 16px;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 4px;
}

.residency-detail {
  font-size: 13px;
  font-weight: 600;
  color: var(--indigo-400);
  margin-bottom: 8px;
  font-family: 'SF Mono', 'Fira Code', monospace;
}

.residency-countries {
  font-size: 12px;
  color: var(--gray-400);
  line-height: 1.5;
}

/* ── Security section heading ─────────────────────────────────────────── */
.security-section .residency-title {
  margin-bottom: 32px;
}

/* ── CTA / Contact ─────────────────────────────────────────────────────── */
.section--cta {
  background: linear-gradient(135deg, var(--indigo-50) 0%, var(--white) 50%, var(--indigo-50) 100%);
}

.cta-inner {
  max-width: 600px;
  margin: 0 auto;
  text-align: center;
}

.cta-title {
  font-size: clamp(28px, 4vw, 36px);
  font-weight: 800;
  color: var(--gray-900);
  letter-spacing: -0.02em;
  margin-bottom: 12px;
}

.cta-subtitle {
  font-size: 16px;
  color: var(--gray-500);
  margin-bottom: 40px;
  line-height: 1.7;
}

.contact-form {
  text-align: left;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form-group { display: flex; flex-direction: column; gap: 6px; }

.form-group label {
  font-size: 13px;
  font-weight: 600;
  color: var(--gray-700);
}

.form-group input,
.form-group select,
.form-group textarea {
  font-family: var(--font);
  font-size: 14px;
  padding: 10px 14px;
  border: 1px solid var(--gray-300);
  border-radius: var(--radius-sm);
  background: var(--white);
  color: var(--gray-800);
  transition: border-color var(--transition), box-shadow var(--transition);
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--indigo-400);
  box-shadow: 0 0 0 3px rgba(99,102,241,0.1);
}

.form-group textarea { resize: vertical; }

.cta-note {
  font-size: 13px;
  color: var(--gray-400);
  margin-top: 20px;
  text-align: center;
}
.cta-note a { color: var(--indigo-600); font-weight: 600; }

/* ── Footer ────────────────────────────────────────────────────────────── */
.footer {
  padding: 60px 0 32px;
  background: var(--gray-900);
  border-top: 1px solid rgba(255,255,255,0.05);
}

.footer-inner { display: block; }

.footer-brand { margin-bottom: 32px; }
.footer .logo-text { color: var(--white); }
.footer .logo-icon { background: transparent; padding: 0; }
.footer .logo-Q { color: var(--indigo-400); }

.footer-tagline {
  font-size: 14px;
  color: var(--gray-400);
  margin-top: 8px;
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  margin-bottom: 40px;
}

.footer-col h4 {
  font-size: 13px;
  font-weight: 700;
  color: var(--gray-300);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 16px;
}

.footer-col a {
  display: block;
  font-size: 14px;
  color: var(--gray-400);
  margin-bottom: 10px;
  transition: color var(--transition);
}
.footer-col a:hover { color: var(--white); }

.footer-bottom {
  padding-top: 24px;
  border-top: 1px solid rgba(255,255,255,0.06);
}

.footer-bottom p {
  font-size: 13px;
  color: var(--gray-500);
}

/* ═══ RESPONSIVE ═══════════════════════════════════════════════════════ */

@media (max-width: 1024px) {
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .steps-grid { grid-template-columns: repeat(2, 1fr); }
  .verticals-grid { grid-template-columns: repeat(2, 1fr); }
  .obs-grid { grid-template-columns: repeat(2, 1fr); }
  .protocols-grid { grid-template-columns: repeat(2, 1fr); }
  .compliance-grid { grid-template-columns: repeat(2, 1fr); }
  .residency-grid { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-cta { display: none; }
  .nav-toggle { display: flex; margin-left: auto; }

  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    background: var(--white);
    padding: 20px 24px;
    border-bottom: 1px solid var(--gray-200);
    box-shadow: var(--shadow-lg);
    gap: 16px;
  }
  .nav-links.open a { font-size: 16px; }

  .hero { padding: 120px 0 60px; }
  .hero-title { font-size: 36px; }
  .hero-subtitle { font-size: 16px; }
  .hero-stats { grid-template-columns: repeat(2, 1fr); gap: 20px; padding: 24px; }

  .section { padding: 64px 0; }
  .section-header { margin-bottom: 40px; }

  .features-grid,
  .steps-grid,
  .verticals-grid,
  .why-grid,
  .obs-grid { grid-template-columns: 1fr; }

  .compliance-grid { grid-template-columns: 1fr; }
  .residency-grid { grid-template-columns: 1fr; }

  .protocols-grid { grid-template-columns: repeat(2, 1fr); }


  .form-row { grid-template-columns: 1fr; }

  .footer-links { grid-template-columns: 1fr; gap: 24px; }

  .pipeline-flow { gap: 8px; }
  .pipeline-step { padding: 8px 12px; font-size: 11px; }
  .pipeline-arrow { font-size: 16px; }
}

@media (max-width: 480px) {
  .hero-stats { grid-template-columns: repeat(2, 1fr); }
  .hero-stat-value { font-size: 24px; }
  .protocols-grid { grid-template-columns: 1fr; }
}