/* Nexamark Technology — dark theme, modeled on modal.com's structure */

:root {
  --bg: #060706;
  --bg-soft: #0d0f0d;
  --surface: #111311;
  --surface-hover: #161916;
  --border: rgba(255, 255, 255, 0.09);
  --border-strong: rgba(255, 255, 255, 0.18);
  --text: #f4f6f4;
  --text-dim: #a3aca3;
  --text-faint: #6d766d;
  --accent: #5eeb8f;
  --accent-strong: #45d879;
  --accent-ink: #04150b;
  --accent-wash: rgba(94, 235, 143, 0.12);
  --radius-sm: 8px;
  --radius: 14px;
  --radius-lg: 20px;
  --radius-full: 999px;
  --max-width: 1120px;
  --font-display: "Space Grotesk", -apple-system, BlinkMacSystemFont, sans-serif;
  --font-body: "Inter", -apple-system, BlinkMacSystemFont, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  max-width: 100%;
}

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

/* Header / Nav */

header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(6, 7, 6, 0.86);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}

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

.logo {
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text);
}

.logo span {
  color: var(--accent);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 30px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-links a {
  color: var(--text-dim);
  font-weight: 500;
  font-size: 14.5px;
  transition: color 0.15s ease;
}

.nav-links a:hover {
  color: var(--text);
}

.nav-links .btn-primary {
  padding: 9px 20px;
  font-size: 14px;
  color: var(--accent-ink);
}

.lang-switch {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 13px;
}

.lang-switch a {
  color: var(--text-faint);
  transition: color 0.15s ease;
}

.lang-switch a:hover {
  color: var(--text);
}

.lang-switch a.active {
  color: var(--text);
  font-weight: 600;
}

.lang-switch .sep {
  color: var(--text-faint);
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 22px;
  cursor: pointer;
  color: var(--text);
}

/* Buttons */

.btn-primary, .btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: 15px;
  padding: 13px 26px;
  transition: transform 0.15s ease, background 0.15s ease, border-color 0.15s ease, box-shadow 0.15s ease;
  border: 1px solid transparent;
}

.btn-primary {
  background: var(--accent);
  color: var(--accent-ink);
  box-shadow: 0 0 0 0 rgba(94, 235, 143, 0.4);
}

.btn-primary:hover {
  background: var(--accent-strong);
  transform: translateY(-1px);
  box-shadow: 0 10px 26px -10px rgba(94, 235, 143, 0.55);
  text-decoration: none;
}

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

.btn-secondary:hover {
  background: var(--surface-hover);
  border-color: var(--text-faint);
  transform: translateY(-1px);
  text-decoration: none;
}

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

/* Hero */

.hero {
  position: relative;
  padding: 120px 24px 90px;
  overflow: hidden;
  border-bottom: 1px solid var(--border);
  text-align: center;
}

.hero::before {
  content: "";
  position: absolute;
  top: -240px;
  left: 50%;
  transform: translateX(-50%);
  width: 1000px;
  height: 620px;
  background: radial-gradient(closest-side, rgba(94, 235, 143, 0.16), transparent 70%);
  pointer-events: none;
}

.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 900px 500px at 50% 0%, black, transparent 75%);
  pointer-events: none;
}

.hero-inner {
  position: relative;
  max-width: 760px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--accent);
  background: var(--accent-wash);
  border: 1px solid rgba(94, 235, 143, 0.28);
  border-radius: var(--radius-full);
  padding: 6px 14px;
  margin-bottom: 24px;
}

.hero h1 {
  font-family: var(--font-display);
  font-size: 54px;
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin: 0 0 22px;
  color: var(--text);
}

.hero h1 .accent {
  color: var(--accent);
}

.hero p {
  font-size: 18px;
  color: var(--text-dim);
  max-width: 540px;
  margin: 0 0 36px;
}

/* Sections */

section {
  padding: 96px 24px;
}

.section-alt {
  background: var(--bg-soft);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.section-head {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 52px;
}

.section-eyebrow {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0 0 14px;
}

.section-title {
  font-family: var(--font-display);
  font-size: 34px;
  font-weight: 700;
  letter-spacing: -0.015em;
  margin: 0 0 14px;
  color: var(--text);
}

.section-lead {
  color: var(--text-dim);
  margin: 0;
  font-size: 16.5px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  max-width: var(--max-width);
  margin: 0 auto;
}

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

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

.card-index {
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 700;
  color: var(--accent);
  margin: 0 0 16px;
}

.card h3 {
  margin: 0 0 10px;
  color: var(--text);
  font-size: 18.5px;
  font-weight: 600;
}

.card p {
  color: var(--text-dim);
  margin: 0;
  font-size: 15px;
}

/* Mesh-gradient cards, modeled on modal.com's story-card component */

.card--teal, .card--blue, .card--amber, .card--violet {
  border-color: transparent;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.15);
}

.card--teal h3, .card--blue h3, .card--amber h3, .card--violet h3,
.card--teal p, .card--blue p, .card--amber p, .card--violet p {
  color: #0e1712;
}

.card--teal p, .card--blue p, .card--amber p, .card--violet p {
  color: rgba(14, 23, 18, 0.72);
}

.card--teal {
  background:
    radial-gradient(at 10% 10%, #bde5c3 0, transparent 50%),
    radial-gradient(at 85% 15%, #b1e39b 0, transparent 50%),
    radial-gradient(at 15% 90%, #c7de34 0, transparent 55%),
    radial-gradient(at 85% 80%, #6adba7 0, transparent 55%),
    #65d178;
}

.card--teal:hover {
  background:
    radial-gradient(at 10% 10%, #c9ecce 0, transparent 50%),
    radial-gradient(at 85% 15%, #bce8a7 0, transparent 50%),
    radial-gradient(at 15% 90%, #d3e850 0, transparent 55%),
    radial-gradient(at 85% 80%, #7ce3b3 0, transparent 55%),
    #6fd881;
}

.card--teal .card-index {
  color: #0b5a2e;
}

.card--blue {
  background:
    radial-gradient(at 10% 10%, #c7dff0 0, transparent 50%),
    radial-gradient(at 85% 15%, #b8d9f7 0, transparent 50%),
    radial-gradient(at 15% 90%, #3ec6e8 0, transparent 55%),
    radial-gradient(at 85% 80%, #6ab3db 0, transparent 55%),
    #5aa3d1;
}

.card--blue:hover {
  background:
    radial-gradient(at 10% 10%, #d3e6f3 0, transparent 50%),
    radial-gradient(at 85% 15%, #c5e0f9 0, transparent 50%),
    radial-gradient(at 15% 90%, #52d0ee 0, transparent 55%),
    radial-gradient(at 85% 80%, #7ec0e2 0, transparent 55%),
    #66add8;
}

.card--blue .card-index {
  color: #0a3d63;
}

.card--amber {
  background:
    radial-gradient(at 10% 10%, #f0e3b8 0, transparent 50%),
    radial-gradient(at 85% 15%, #f5d9a8 0, transparent 50%),
    radial-gradient(at 15% 90%, #deb734 0, transparent 55%),
    radial-gradient(at 85% 80%, #dba06a 0, transparent 55%),
    #d19b65;
}

.card--amber:hover {
  background:
    radial-gradient(at 10% 10%, #f5ebc8 0, transparent 50%),
    radial-gradient(at 85% 15%, #f9e2ba 0, transparent 50%),
    radial-gradient(at 15% 90%, #e9c452 0, transparent 55%),
    radial-gradient(at 85% 80%, #e3ac7c 0, transparent 55%),
    #d9a672;
}

.card--amber .card-index {
  color: #6b3f05;
}

.card--violet {
  background:
    radial-gradient(at 10% 10%, #e3d8f0 0, transparent 50%),
    radial-gradient(at 85% 15%, #ddc7f5 0, transparent 50%),
    radial-gradient(at 15% 90%, #a134de 0, transparent 55%),
    radial-gradient(at 85% 80%, #b86adb 0, transparent 55%),
    #a565d1;
}

.card--violet:hover {
  background:
    radial-gradient(at 10% 10%, #ece3f5 0, transparent 50%),
    radial-gradient(at 85% 15%, #e6d3f9 0, transparent 50%),
    radial-gradient(at 15% 90%, #b452e9 0, transparent 55%),
    radial-gradient(at 85% 80%, #c67ce3 0, transparent 55%),
    #b279d9;
}

.card--violet .card-index {
  color: #45116b;
}

.markets-list {
  display: flex;
  gap: 20px;
  max-width: var(--max-width);
  margin: 0 auto;
  flex-wrap: wrap;
}

.markets-list .card {
  flex: 1;
  min-width: 220px;
  text-align: center;
}

.markets-list h4 {
  color: var(--text);
  margin: 0 0 8px;
  font-size: 17px;
  font-family: var(--font-display);
  font-weight: 600;
}

.markets-list p {
  color: var(--text-dim);
  font-size: 14.5px;
  margin: 0;
}

/* About page */

.about-block {
  max-width: 720px;
  margin: 0 0 44px;
  color: var(--text-dim);
  font-size: 16px;
}

.about-block h2 {
  font-family: var(--font-display);
  color: var(--text);
  font-size: 24px;
  font-weight: 600;
  margin: 0 0 16px;
}

.fact-card {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  overflow: hidden;
}

.fact-table {
  margin: 0;
  border-collapse: collapse;
  width: 100%;
}

.fact-table tr {
  border-bottom: 1px solid var(--border);
}

.fact-table tr:last-child {
  border-bottom: none;
}

.fact-table td {
  padding: 18px 22px;
  font-size: 15px;
}

.fact-table td:first-child {
  color: var(--text-faint);
  width: 220px;
  font-weight: 500;
  font-size: 13.5px;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.fact-table td:last-child {
  color: var(--text);
}

/* Contact page */

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  max-width: var(--max-width);
  margin: 0 auto;
}

.contact-item {
  margin-bottom: 26px;
}

.contact-item:last-child {
  margin-bottom: 0;
}

.contact-item h4 {
  color: var(--text-faint);
  margin: 0 0 6px;
  font-size: 12.5px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.contact-item p, .contact-item a {
  font-size: 16.5px;
  color: var(--text);
  margin: 0;
}

.contact-item a:hover {
  color: var(--accent);
}

.card--teal .contact-item h4, .card--blue .contact-item h4,
.card--amber .contact-item h4, .card--violet .contact-item h4 {
  color: rgba(14, 23, 18, 0.6);
}

.card--teal .contact-item p, .card--blue .contact-item p,
.card--amber .contact-item p, .card--violet .contact-item p,
.card--teal .contact-item a, .card--blue .contact-item a,
.card--amber .contact-item a, .card--violet .contact-item a {
  color: #0e1712;
}

.card--teal .contact-item a:hover, .card--blue .contact-item a:hover,
.card--amber .contact-item a:hover, .card--violet .contact-item a:hover {
  color: #0b5a2e;
  text-decoration: underline;
}

/* Footer */

footer {
  background: var(--bg-soft);
  color: var(--text-dim);
  padding: 56px 0 30px;
  font-size: 14px;
  border-top: 1px solid var(--border);
}

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

.footer-legal {
  border-top: 1px solid var(--border);
  margin-top: 32px;
  padding-top: 22px;
  color: var(--text-faint);
  font-size: 13px;
  line-height: 1.9;
}

.footer-legal strong {
  color: var(--text-dim);
}

/* Responsive */

@media (max-width: 720px) {
  .nav-links {
    display: none;
  }

  .nav-toggle {
    display: block;
  }

  .nav-links.open {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--bg);
    border-bottom: 1px solid var(--border);
    padding: 20px 24px;
    gap: 18px;
  }

  .hero {
    padding: 96px 24px 72px;
  }

  .hero h1 {
    font-size: 32px;
  }

  section {
    padding: 64px 24px;
  }

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

  .fact-table td {
    display: block;
    padding: 6px 22px;
  }

  .fact-table td:first-child {
    padding-top: 16px;
  }

  .fact-table td:last-child {
    padding-bottom: 16px;
  }
}