/* ==========================================================================
   Uplink Strategies — shared stylesheet
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@500;600;700&family=Inter:wght@400;500;600;700&display=swap');

:root {
  --bg: #0a0e17;
  --bg-soft: #0d1320;
  --surface: #121a29;
  --surface-2: #17233a;
  --border: rgba(255, 255, 255, 0.08);
  --border-strong: rgba(255, 255, 255, 0.14);
  --text: #eaeef5;
  --text-dim: #a7b2c4;
  --text-muted: #6d7893;
  --accent: #22d3ee;
  --accent-2: #34e5b0;
  --accent-soft: rgba(34, 211, 238, 0.12);
  --radius: 14px;
  --max-width: 1120px;
  --shadow: 0 20px 50px -20px rgba(0, 0, 0, 0.6);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  background-image:
    radial-gradient(1200px 600px at 85% -10%, rgba(34, 211, 238, 0.08), transparent 60%),
    radial-gradient(900px 500px at -10% 20%, rgba(52, 229, 176, 0.06), transparent 55%);
  background-attachment: fixed;
  color: var(--text);
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
  font-family: 'Space Grotesk', 'Inter', sans-serif;
  font-weight: 600;
  line-height: 1.2;
  margin: 0 0 16px;
  color: #fff;
  letter-spacing: -0.01em;
}

p {
  color: var(--text-dim);
  margin: 0 0 16px;
}

a {
  color: inherit;
}

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

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

/* ---------- Navigation ---------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(10, 14, 23, 0.85);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}

.nav-bar {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 16px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  font-size: 1.15rem;
  color: #fff;
  white-space: nowrap;
}

.brand img {
  height: 32px;
  width: auto;
}

.nav-links {
  list-style: none;
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0;
  padding: 0;
}

.nav-links a {
  text-decoration: none;
  color: var(--text-dim);
  font-size: 0.95rem;
  font-weight: 500;
  padding: 8px 14px;
  border-radius: 8px;
  transition: color 0.2s ease, background 0.2s ease;
}

.nav-links a:hover {
  color: #fff;
  background: var(--surface-2);
}

.nav-links a.active {
  color: var(--accent);
}

.nav-cta {
  display: inline-flex !important;
  align-items: center;
  background: var(--accent);
  color: #06131a !important;
  font-weight: 600 !important;
  padding: 9px 18px !important;
}

.nav-cta:hover {
  background: var(--accent-2) !important;
  color: #06131a !important;
}

.nav-toggle {
  display: none;
}

.nav-toggle-label {
  display: none;
  cursor: pointer;
  padding: 8px;
}

.nav-toggle-label span,
.nav-toggle-label span::before,
.nav-toggle-label span::after {
  display: block;
  width: 22px;
  height: 2px;
  background: #fff;
  position: relative;
  transition: all 0.2s ease;
}

.nav-toggle-label span::before,
.nav-toggle-label span::after {
  content: '';
  position: absolute;
}

.nav-toggle-label span::before { top: -7px; }
.nav-toggle-label span::after { top: 7px; }

/* ---------- Buttons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 26px;
  border-radius: 10px;
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, background 0.2s ease, border-color 0.2s ease;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #06131a;
}

.btn-primary:hover {
  filter: brightness(1.08);
}

.btn-outline {
  background: transparent;
  border-color: var(--border-strong);
  color: var(--text);
}

.btn-outline:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

/* ---------- Layout helpers ---------- */

.section {
  padding: 88px 0;
  border-bottom: 1px solid var(--border);
}

.section:last-of-type {
  border-bottom: none;
}

.section-tight {
  padding: 56px 0;
}

.eyebrow {
  display: inline-block;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--accent);
  margin-bottom: 14px;
}

.section-head {
  max-width: 680px;
  margin: 0 0 48px;
}

.section-head.center {
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}

.lede {
  font-size: 1.15rem;
  color: var(--text-dim);
}

/* ---------- Hero ---------- */

.hero {
  padding: 96px 0 80px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 56px;
  align-items: center;
}

.split {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 56px;
  align-items: center;
}

.split-even {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
}

.hero h1 {
  font-size: clamp(2.2rem, 4.2vw, 3.4rem);
  margin-bottom: 20px;
}

.hero .lede {
  font-size: 1.2rem;
  max-width: 540px;
  margin-bottom: 32px;
}

.hero-panel {
  background: linear-gradient(160deg, var(--surface), var(--surface-2));
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: var(--shadow);
}

.hero-panel-row {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 14px 0;
  border-bottom: 1px solid var(--border);
}

.hero-panel-row:last-child {
  border-bottom: none;
}

.hero-panel-row .icon {
  flex-shrink: 0;
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: var(--accent-soft);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-panel-row strong {
  color: #fff;
  display: block;
  font-size: 0.95rem;
}

.hero-panel-row span {
  color: var(--text-muted);
  font-size: 0.85rem;
}

/* ---------- Stats ---------- */

.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.stat {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px 20px;
  text-align: center;
}

.stat .num {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 2rem;
  font-weight: 700;
  color: var(--accent);
  display: block;
  margin-bottom: 6px;
}

.stat .label {
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* ---------- Cards / grid ---------- */

.grid {
  display: grid;
  gap: 24px;
}

.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 30px;
  transition: border-color 0.2s ease, transform 0.2s ease;
}

.card:hover {
  border-color: var(--border-strong);
  transform: translateY(-3px);
}

.card .icon {
  width: 44px;
  height: 44px;
  border-radius: 11px;
  background: var(--accent-soft);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
}

.card h3 {
  font-size: 1.15rem;
  margin-bottom: 10px;
}

.card p {
  font-size: 0.95rem;
  margin-bottom: 0;
}

.card ul {
  margin: 14px 0 0;
  padding-left: 18px;
  color: var(--text-dim);
  font-size: 0.9rem;
}

.card li {
  margin-bottom: 6px;
}

/* ---------- Tags / badges ---------- */

.tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.tag {
  background: var(--surface-2);
  border: 1px solid var(--border);
  color: var(--text-dim);
  font-size: 0.85rem;
  padding: 8px 14px;
  border-radius: 999px;
}

.cert-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.cert {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 18px;
  text-align: center;
  font-size: 0.85rem;
  color: var(--text-dim);
}

.cert strong {
  display: block;
  color: #fff;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1rem;
  margin-bottom: 4px;
}

/* ---------- Lists with check icons ---------- */

.check-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 14px;
}

.check-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  color: var(--text-dim);
}

.check-list .icon {
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  border-radius: 7px;
  background: var(--accent-soft);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 1px;
}

/* ---------- CTA band ---------- */

.cta-band {
  background: linear-gradient(135deg, rgba(34, 211, 238, 0.1), rgba(52, 229, 176, 0.08));
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 56px;
  text-align: center;
}

.cta-band h2 {
  font-size: 1.9rem;
}

.cta-band .lede {
  max-width: 520px;
  margin-left: auto;
  margin-right: auto;
}

.cta-band .btn-row {
  justify-content: center;
}

/* ---------- Footer ---------- */

.site-footer {
  border-top: 1px solid var(--border);
  padding: 40px 0;
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 600;
  color: #fff;
}

.footer-brand img {
  height: 24px;
}

.footer-links {
  list-style: none;
  display: flex;
  gap: 22px;
  margin: 0;
  padding: 0;
}

.footer-links a {
  text-decoration: none;
  color: var(--text-muted);
  font-size: 0.9rem;
}

.footer-links a:hover {
  color: var(--accent);
}

.footer-copy {
  color: var(--text-muted);
  font-size: 0.82rem;
  width: 100%;
  margin-top: 24px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
}

/* ---------- Page hero (inner pages) ---------- */

.page-hero {
  padding: 64px 0 8px;
  text-align: left;
}

.page-hero h1 {
  font-size: clamp(2rem, 3.6vw, 2.8rem);
}

.page-hero .lede {
  max-width: 640px;
}

/* ---------- Contact ---------- */

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  align-items: stretch;
}

.contact-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 34px;
}

.contact-card h3 {
  font-size: 1.05rem;
}

.contact-email {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-top: 10px;
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--accent);
  text-decoration: none;
}

/* ---------- Responsive ---------- */

@media (max-width: 860px) {
  .hero-grid,
  .contact-grid,
  .split,
  .split-even {
    grid-template-columns: 1fr;
  }

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

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

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

  .cta-band {
    padding: 40px 24px;
  }
}

@media (max-width: 720px) {
  .nav-links {
    position: fixed;
    top: 65px;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    background: var(--bg-soft);
    border-bottom: 1px solid var(--border);
    padding: 12px 20px 20px;
    gap: 4px;
    transform: translateY(-130%);
    opacity: 0;
    transition: transform 0.25s ease, opacity 0.25s ease;
  }

  .nav-links a {
    padding: 12px 14px;
  }

  .nav-toggle-label {
    display: block;
  }

  .nav-toggle:checked ~ .nav-links {
    transform: translateY(0);
    opacity: 1;
  }

  .nav-cta {
    margin-top: 6px;
  }
}

@media (max-width: 480px) {
  .section {
    padding: 60px 0;
  }

  .cert-grid {
    grid-template-columns: 1fr 1fr;
  }
}