:root {
  --blue: #3B7EF5;
  --blue-dim: #2a5ecc;
  --blue-glow: rgba(59, 126, 245, 0.18);
  --bg: #090c12;
  --bg2: #0e1320;
  --bg3: #131928;
  --border: rgba(59, 126, 245, 0.18);
  --text: #e8edf7;
  --text-dim: #7a8aaa;
  --mono: 'JetBrains Mono', monospace;
  --sans: 'Syne', sans-serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  line-height: 1.6;
  overflow-x: hidden;
}

/* Grid background */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(59, 126, 245, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(59, 126, 245, 0.04) 1px, transparent 1px);
  background-size: 40px 40px;
  pointer-events: none;
  z-index: 0;
}

/* ── NAV ── */
nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 48px;
  background: rgba(9, 12, 18, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.nav-logo img {
  width: 36px;
  height: 36px;
}

.nav-logo-text {
  font-family: var(--mono);
  font-weight: 700;
  font-size: 1rem;
  color: var(--blue);
  letter-spacing: 0.05em;
}

.nav-links {
  display: flex;
  gap: 32px;
  list-style: none;
}

.nav-links a {
  font-family: var(--mono);
  font-size: 0.8rem;
  color: var(--text-dim);
  text-decoration: none;
  letter-spacing: 0.08em;
  transition: color 0.2s;
}

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

/* ── HERO ── */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 120px 48px 80px;
  z-index: 1;
}

/* .hero-inner {
  max-width: 900px;
} */

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--mono);
  font-size: 0.75rem;
  color: var(--blue);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 28px;
  padding: 6px 14px;
  border: 1px solid var(--border);
  border-radius: 2px;
  background: var(--blue-glow);
}

.hero-tag::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--blue);
  animation: pulse 2s infinite;
}

@keyframes pulse {

  0%,
  100% {
    opacity: 1;
  }

  50% {
    opacity: 0.3;
  }
}

h1 {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 8px;
  line-height: 1.1;
}

h2 {
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;

  margin-bottom: 16px;
}

.doc-section h2 {
  color: var(--blue);
}

p {
  font-size: 0.95rem;
  color: var(--text-dim);
  margin-bottom: 14px;
}

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

ul {
  list-style: none;
  margin: 14px 0;
}

ul li {
  font-family: var(--mono);
  font-size: 0.82rem;
  color: var(--text-dim);
  padding: 6px 0 6px 20px;
  position: relative;
}

.doc-section li::before {
  content: '—';
  position: absolute;
  left: 0;
  color: var(--blue);
}

a {
  color: var(--blue);
  text-decoration: none;
}

.hero h1 {
  font-size: clamp(1.8rem, 5vw, 4.5rem);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.03em;
  margin-bottom: 12px;
}

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

.hero-sub {
  font-family: var(--mono);
  font-size: clamp(0.9rem, 1.5vw, 1.05rem);
  color: var(--text-dim);
  margin-bottom: 48px;
  /* max-width: 560px; */
  line-height: 1.7;
  word-break: break-word;
  overflow-wrap: break-word;
  hyphens: auto;
}

.hero-cta {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

main {
  position: relative;
  z-index: 1;
  max-width: 760px;
  margin: 0 auto;
  padding: 120px 48px 80px;
}

.btn {
  font-family: var(--mono);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  padding: 14px 28px;
  border-radius: 2px;
  text-decoration: none;
  transition: all 0.2s;
  cursor: pointer;
  border: none;
}

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

.btn-primary:hover {
  background: var(--blue-dim);
  transform: translateY(-1px);
  box-shadow: 0 8px 32px rgba(59, 126, 245, 0.3);
}

.btn-outline {
  background: transparent;
  color: var(--blue);
  border: 1px solid var(--border);
}

.btn-outline:hover {
  background: var(--blue-glow);
  border-color: var(--blue);
}

/* ── SECTION COMMON ── */
section {
  position: relative;
  z-index: 1;
  padding: 100px 48px;
  max-width: 1100px;
  margin: 0 auto;
}

.section-label {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--blue);
  margin-bottom: 16px;
}

.section-title {
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 48px;
  line-height: 1.15;
}

/* ── SERVICES ── */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
}

.service-card {
  background: var(--bg2);
  padding: 36px 28px;
  transition: background 0.2s;
}

.service-card:hover {
  background: var(--bg3);
}

.service-icon {
  width: 40px;
  height: 40px;
  margin-bottom: 20px;
  color: var(--blue);
}

.service-card h3 {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 10px;
  letter-spacing: -0.01em;
}

.service-card p {
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--text-dim);
  line-height: 1.7;
}

/* ── STACK ── */
.stack-section {
  background: transparent;
}

.stack-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.stack-tag {
  font-family: var(--mono);
  font-size: 0.8rem;
  padding: 8px 16px;
  border: 1px solid var(--border);
  color: var(--text-dim);
  background: var(--bg2);
  border-radius: 2px;
  transition: all 0.2s;
  letter-spacing: 0.04em;
}

.stack-tag:hover {
  color: var(--blue);
  border-color: var(--blue);
  background: var(--blue-glow);
}

/* ── FORM ── */
.form-section {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 2px;
  padding: 64px 48px;
  /* max-width: 680px; */
  margin: 0 auto;
}

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

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 16px;
}

.form-group label {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-dim);
}

.form-group input,
.form-group textarea,
.form-group select {
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--text);
  font-family: var(--mono);
  font-size: 0.85rem;
  padding: 12px 16px;
  border-radius: 2px;
  outline: none;
  transition: border-color 0.2s;
  resize: vertical;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  border-color: var(--blue);
}

.form-group textarea {
  min-height: 120px;
}

.form-group select option {
  background: var(--bg2);
}

.form-submit {
  width: 100%;
  padding: 16px;
  font-size: 0.9rem;
  margin-top: 8px;
}

/* ── FOOTER ── */
footer {
  background: var(--bg2);
  position: relative;
  z-index: 1;
  border-top: 1px solid var(--border);
  padding: 32px 48px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}

footer .copy {
  font-family: var(--mono);
  font-size: 0.75rem;
  color: var(--text-dim);
}

footer .footer-contact {
  font-family: var(--mono);
  font-size: 0.8rem;
  color: var(--blue);
  text-decoration: none;
}

footer .footer-contact:hover {
  text-decoration: underline;
}

/* ── DIVIDER ── */
.divider {
  width: 100%;
  height: 1px;
  background: var(--border);
  margin: 0 48px;
  width: calc(100% - 96px);
}

/* ── ANIMATIONS ── */
.fade-up {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ── SUCCESS MESSAGE ── */
.form-success {
  display: none;
  text-align: center;
  padding: 32px;
  font-family: var(--mono);
  color: var(--blue);
  font-size: 0.9rem;
}

.page-label {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--blue);
  margin-bottom: 16px;
}

.updated {
  font-family: var(--mono);
  font-size: 0.75rem;
  color: var(--text-dim);
  margin-bottom: 56px;
}

.doc-section {
  margin-bottom: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid var(--border);
}

.doc-section:last-child {
  border-bottom: none;
}

/* ── RESPONSIVE ── */
@media (max-width: 768px) {
  nav {
    padding: 16px 24px;
  }

  .nav-links {
    display: none;
  }

  .hero {
    padding: 100px 24px 60px;
  }

  section {
    padding: 72px 24px;
  }
  
  main {
    padding: 100px 24px 60px;
  }
  
  .form-row {
    grid-template-columns: 1fr;
  }

  .form-section {
    padding: 40px 24px;
  }

  footer {
    padding: 24px;
  }

  .divider {
    margin: 0 24px;
    width: calc(100% - 48px);
  }
}