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

:root {
  --primary: #1B3A5C;
  --primary-light: #2C5282;
  --accent: #3B82F6;
  --text: #0F172A;
  --text-body: #334155;
  --text-muted: #64748B;
  --bg: #FFFFFF;
  --bg-soft: #F8FAFC;
  --bg-section: #F1F5F9;
  --border: #E2E8F0;
  --border-strong: #CBD5E1;
  --radius-sm: 6px;
  --radius: 10px;
  --radius-lg: 16px;
  --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.04), 0 1px 3px rgba(15, 23, 42, 0.06);
  --shadow: 0 4px 6px -1px rgba(15, 23, 42, 0.07), 0 2px 4px -2px rgba(15, 23, 42, 0.05);
  --shadow-lg: 0 10px 15px -3px rgba(15, 23, 42, 0.08), 0 4px 6px -4px rgba(15, 23, 42, 0.05);
  --container: 1140px;
}

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: var(--text-body);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img, svg { display: block; max-width: 100%; height: auto; }

a { color: var(--accent); text-decoration: none; transition: color 0.15s ease; }
a:hover { color: var(--primary); }

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

h1, h2, h3, h4 { color: var(--text); font-weight: 700; line-height: 1.3; }
h1 { font-size: 2.5rem; letter-spacing: -0.02em; }
h2 { font-size: 1.875rem; letter-spacing: -0.015em; }
h3 { font-size: 1.25rem; }
h4 { font-size: 1.0625rem; }

p { margin-bottom: 1em; }
p:last-child { margin-bottom: 0; }

/* ===== Navbar ===== */
.navbar {
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: saturate(180%) blur(8px);
  -webkit-backdrop-filter: saturate(180%) blur(8px);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
}

.nav-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
  font-weight: 700;
  font-size: 1.1rem;
  letter-spacing: -0.01em;
}
.logo:hover { color: var(--primary); }

.logo-text-sub {
  font-size: 0.7rem;
  color: var(--text-muted);
  font-weight: 500;
  margin-top: 2px;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-links a {
  color: var(--text-body);
  font-weight: 500;
  font-size: 0.9375rem;
  position: relative;
}
.nav-links a:hover { color: var(--primary); }
.nav-links a.active { color: var(--primary); }
.nav-links a.active::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  bottom: -22px;
  height: 2px;
  background: var(--primary);
}

.nav-cta {
  background: var(--primary);
  color: #fff !important;
  padding: 9px 20px;
  border-radius: var(--radius-sm);
  transition: background 0.15s ease;
}
.nav-cta:hover { background: var(--primary-light); color: #fff !important; }

.menu-btn {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--text);
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.9375rem;
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 0.15s ease;
  white-space: nowrap;
}

.btn-primary {
  background: var(--primary);
  color: #fff;
}
.btn-primary:hover { background: var(--primary-light); color: #fff; }

.btn-outline {
  background: transparent;
  color: var(--primary);
  border-color: var(--border-strong);
}
.btn-outline:hover { border-color: var(--primary); background: var(--bg-soft); color: var(--primary); }

.btn-lg { padding: 14px 32px; font-size: 1rem; }

/* ===== Hero ===== */
.hero {
  padding: 96px 0 80px;
  background: linear-gradient(180deg, var(--bg) 0%, var(--bg-soft) 100%);
}

.hero-tag {
  display: inline-block;
  padding: 6px 14px;
  background: rgba(59, 130, 246, 0.08);
  color: var(--accent);
  font-size: 0.8125rem;
  font-weight: 600;
  border-radius: 999px;
  margin-bottom: 20px;
  letter-spacing: 0.01em;
}

.hero h1 {
  font-size: 3rem;
  letter-spacing: -0.025em;
  margin-bottom: 20px;
  max-width: 760px;
}

.hero-sub {
  font-size: 1.1875rem;
  color: var(--text-muted);
  max-width: 660px;
  margin-bottom: 36px;
  line-height: 1.65;
}

.hero-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

/* ===== Section ===== */
.section {
  padding: 88px 0;
}

.section-soft { background: var(--bg-soft); }

.section-head {
  text-align: center;
  margin-bottom: 56px;
  max-width: 720px;
  margin-left: auto;
  margin-right: auto;
}

.section-eyebrow {
  display: block;
  color: var(--accent);
  font-size: 0.8125rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 12px;
}

.section-head h2 {
  margin-bottom: 14px;
}

.section-head p {
  color: var(--text-muted);
  font-size: 1.0625rem;
}

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

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  transition: all 0.2s ease;
}

.card:hover {
  border-color: var(--border-strong);
  box-shadow: var(--shadow);
  transform: translateY(-2px);
}

.card-icon {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: rgba(59, 130, 246, 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  margin-bottom: 18px;
}

.card h3 {
  margin-bottom: 10px;
  font-size: 1.125rem;
}

.card p {
  color: var(--text-muted);
  font-size: 0.9375rem;
  line-height: 1.65;
}

/* ===== Why Us (List) ===== */
.feature-list {
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.feature-item {
  display: flex;
  gap: 20px;
  align-items: flex-start;
}

.feature-icon {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  background: rgba(59, 130, 246, 0.08);
  color: var(--accent);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.feature-text h4 { margin-bottom: 6px; }
.feature-text p { color: var(--text-muted); font-size: 0.9375rem; }

/* ===== CTA Banner ===== */
.cta-banner {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  color: #fff;
  padding: 64px 0;
  text-align: center;
}

.cta-banner h2 {
  color: #fff;
  margin-bottom: 12px;
}

.cta-banner p {
  color: rgba(255, 255, 255, 0.85);
  font-size: 1.0625rem;
  margin-bottom: 28px;
}

.cta-banner .btn-primary {
  background: #fff;
  color: var(--primary);
}
.cta-banner .btn-primary:hover { background: var(--bg-soft); color: var(--primary); }

/* ===== Page Header (inner pages) ===== */
.page-header {
  background: var(--bg-soft);
  padding: 72px 0 56px;
  border-bottom: 1px solid var(--border);
  text-align: center;
}

.page-header .page-eyebrow {
  display: block;
  color: var(--accent);
  font-size: 0.8125rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 12px;
}

.page-header h1 {
  font-size: 2.5rem;
  margin-bottom: 14px;
}

.page-header p {
  color: var(--text-muted);
  font-size: 1.0625rem;
  max-width: 640px;
  margin: 0 auto;
}

/* ===== Article (About / generic prose) ===== */
.article {
  max-width: 760px;
  margin: 0 auto;
  padding: 80px 0;
}

.article h2 {
  margin: 48px 0 16px;
  font-size: 1.625rem;
}

.article h2:first-child { margin-top: 0; }

.article p {
  font-size: 1rem;
  color: var(--text-body);
  line-height: 1.75;
  margin-bottom: 16px;
}

.article ul {
  margin: 12px 0 20px;
  padding-left: 22px;
}

.article ul li {
  margin-bottom: 8px;
  color: var(--text-body);
}

/* ===== Company Info Block (key for Apple) ===== */
.company-info {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  margin: 32px 0;
}

.company-info h3 {
  margin-bottom: 20px;
  font-size: 1.125rem;
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
}

.company-info h3 svg {
  color: var(--accent);
}

.company-info dl {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 14px 24px;
}

.company-info dt {
  color: var(--text-muted);
  font-size: 0.875rem;
  font-weight: 500;
}

.company-info dd {
  color: var(--text);
  font-size: 0.9375rem;
  font-weight: 500;
  word-break: break-word;
}

.company-info dd a { color: var(--accent); }

/* ===== Contact page ===== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: start;
}

.contact-channel {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  padding: 20px 0;
  border-bottom: 1px solid var(--border);
}
.contact-channel:last-child { border-bottom: none; }

.contact-channel-icon {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: rgba(59, 130, 246, 0.08);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
}

.contact-channel-text h4 { margin-bottom: 4px; font-size: 0.9375rem; }
.contact-channel-text p { color: var(--text-muted); font-size: 0.875rem; margin-bottom: 4px; }
.contact-channel-text a { font-size: 0.9375rem; font-weight: 500; }

/* ===== Footer ===== */
.footer {
  background: #0F1B2D;
  color: #94A3B8;
  padding: 56px 0 24px;
  font-size: 0.9rem;
}

.footer-top {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 40px;
}

.footer-brand .logo {
  color: #fff;
  margin-bottom: 14px;
}

.footer-brand p {
  color: #94A3B8;
  font-size: 0.875rem;
  line-height: 1.65;
  max-width: 320px;
}

.footer h4 {
  color: #fff;
  font-size: 0.875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 16px;
}

.footer-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-col a {
  color: #94A3B8;
  font-size: 0.9rem;
}
.footer-col a:hover { color: #fff; }

.footer-col address {
  font-style: normal;
  color: #94A3B8;
  font-size: 0.875rem;
  line-height: 1.7;
}

.footer-bottom {
  border-top: 1px solid rgba(148, 163, 184, 0.15);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 0.8125rem;
  color: #64748B;
}

.footer-bottom strong {
  color: #CBD5E1;
  font-weight: 600;
}

/* ===== Mobile ===== */
@media (max-width: 900px) {
  h1 { font-size: 2rem; }
  h2 { font-size: 1.5rem; }

  .hero { padding: 64px 0 56px; }
  .hero h1 { font-size: 2.125rem; }
  .hero-sub { font-size: 1rem; }
  .hero-actions { justify-content: flex-start; }

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

  .grid-3 { grid-template-columns: 1fr; }
  .grid-2 { grid-template-columns: 1fr; }

  .contact-grid { grid-template-columns: 1fr; gap: 32px; }

  .company-info { padding: 24px; }
  .company-info dl { grid-template-columns: 1fr; gap: 4px 0; }
  .company-info dl dt { margin-top: 14px; font-size: 0.8125rem; }
  .company-info dl dt:first-child { margin-top: 0; }

  .nav-links {
    display: none;
    position: absolute;
    top: 68px;
    left: 0;
    right: 0;
    flex-direction: column;
    background: #fff;
    padding: 16px 24px 24px;
    gap: 16px;
    align-items: flex-start;
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow);
  }
  .nav-links.open { display: flex; }
  .nav-links a.active::after { display: none; }
  .menu-btn { display: block; }

  .page-header { padding: 56px 0 40px; }
  .page-header h1 { font-size: 2rem; }

  .article { padding: 56px 0; }

  .footer-top { grid-template-columns: 1fr; gap: 32px; margin-bottom: 32px; }

  .cta-banner { padding: 48px 0; }
}