:root {
  --bg: #0a0e14;
  --bg-alt: #0d1220;
  --surface: #111826;
  --surface-2: #151d2e;
  --border: #1f2937;
  --text: #e6ebf2;
  --text-dim: #9aa7bd;
  --text-faint: #5f6b81;
  --accent: #22d3ee;
  --accent-2: #6366f1;
  --accent-warm: #f59e0b;
  --radius: 14px;
  --max-width: 1180px;
  --font-body: "Inter", system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  --font-display: "Space Grotesk", var(--font-body);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

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

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.15;
  margin: 0;
}

p { margin: 0; }
a { color: inherit; text-decoration: none; }
ul { margin: 0; padding: 0; list-style: none; }

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

/* Background decoration */
.bg-grid {
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(255,255,255,0.035) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255,255,255,0.035) 1px, transparent 1px);
  background-size: 48px 48px;
  z-index: -2;
  mask-image: radial-gradient(ellipse 80% 50% at 50% 0%, black 40%, transparent 100%);
}

.bg-glow {
  position: fixed;
  top: -200px;
  left: 50%;
  transform: translateX(-50%);
  width: 900px;
  height: 600px;
  background: radial-gradient(circle, rgba(34,211,238,0.18), rgba(99,102,241,0.08) 45%, transparent 70%);
  filter: blur(40px);
  z-index: -1;
  pointer-events: none;
}

/* NAVBAR */
.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(12px);
  background: rgba(10, 14, 20, 0.7);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s ease, background 0.3s ease;
}
.navbar.scrolled {
  border-bottom-color: var(--border);
  background: rgba(10, 14, 20, 0.92);
}
.navbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-display);
  font-size: 1.05rem;
}
.brand-icon {
  display: inline-block;
  filter: drop-shadow(0 0 8px rgba(34,211,238,0.6));
}
.brand-text strong { color: var(--accent); }

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}
.nav-links a {
  font-size: 0.92rem;
  color: var(--text-dim);
  transition: color 0.2s ease;
}
.nav-links a:hover { color: var(--text); }
.nav-cta {
  padding: 9px 18px;
  border-radius: 999px;
  background: var(--accent);
  color: #05131a !important;
  font-weight: 600;
}
.nav-cta:hover { color: #05131a !important; opacity: 0.9; }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}
.nav-toggle span {
  width: 22px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
}

/* HERO */
.hero {
  padding: 120px 0 80px;
  text-align: center;
}
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.82rem;
  color: var(--text-dim);
  background: var(--surface);
  border: 1px solid var(--border);
  padding: 6px 16px;
  border-radius: 999px;
  margin-bottom: 28px;
}
.hero h1 {
  font-size: clamp(2.2rem, 5vw, 3.6rem);
  max-width: 820px;
  margin: 0 auto 24px;
  letter-spacing: -0.01em;
}
.highlight {
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero-sub {
  max-width: 620px;
  margin: 0 auto 40px;
  color: var(--text-dim);
  font-size: 1.08rem;
}
.hero-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  margin-bottom: 72px;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 13px 26px;
  border-radius: 10px;
  font-weight: 600;
  font-size: 0.95rem;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
}
.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #05131a;
  box-shadow: 0 8px 24px rgba(34, 211, 238, 0.25);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 12px 30px rgba(34, 211, 238, 0.35); }
.btn-ghost {
  background: transparent;
  border-color: var(--border);
  color: var(--text);
}
.btn-ghost:hover { background: var(--surface); }
.btn-block { width: 100%; }

.hero-stats {
  display: flex;
  justify-content: center;
  gap: 56px;
  flex-wrap: wrap;
}
.stat { display: flex; flex-direction: column; align-items: center; gap: 4px; }
.stat-num {
  font-family: var(--font-display);
  font-size: 2rem;
  color: var(--accent);
}
.stat-label { font-size: 0.82rem; color: var(--text-faint); }

/* CLOUDS */
.clouds { padding: 32px 0 64px; }
.section-kicker {
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.78rem;
  color: var(--accent);
  font-weight: 600;
  margin-bottom: 12px;
}
.section-kicker.center { text-align: center; }
.cloud-row {
  display: flex;
  justify-content: center;
  gap: 40px;
  flex-wrap: wrap;
  color: var(--text-faint);
  font-family: var(--font-display);
  font-size: 0.95rem;
}

/* SECTIONS */
.section { padding: 88px 0; }
.section-alt { background: var(--bg-alt); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.section-title {
  font-size: clamp(1.7rem, 3.4vw, 2.4rem);
  margin-bottom: 16px;
}
.section-title.center { text-align: center; }
.section-desc {
  color: var(--text-dim);
  max-width: 600px;
  margin-bottom: 48px;
}
.section-desc.center { margin-left: auto; margin-right: auto; text-align: center; }

.grid { display: grid; gap: 24px; }
.services-grid { grid-template-columns: repeat(3, 1fr); }
.projects-grid { grid-template-columns: repeat(2, 1fr); }

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  transition: transform 0.2s ease, border-color 0.2s ease;
}
.card:hover { transform: translateY(-4px); border-color: rgba(34,211,238,0.35); }
.card-icon {
  font-size: 1.6rem;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--surface-2);
  border-radius: 10px;
  margin-bottom: 20px;
}
.card h3 { font-size: 1.1rem; margin-bottom: 10px; }
.card p { color: var(--text-dim); font-size: 0.92rem; }

/* STACK */
.stack-columns {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
}
.stack-col h4 {
  font-size: 0.95rem;
  color: var(--text);
  margin-bottom: 16px;
}
.tag-list { display: flex; flex-direction: column; gap: 10px; }
.tag-list li {
  font-size: 0.88rem;
  color: var(--text-dim);
  padding-left: 16px;
  position: relative;
}
.tag-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
}

/* PROJECTS */
.project-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  transition: transform 0.2s ease, border-color 0.2s ease;
}
.project-card:hover { transform: translateY(-4px); border-color: rgba(99,102,241,0.4); }
.project-tag {
  display: inline-block;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent-2);
  background: rgba(99,102,241,0.12);
  padding: 5px 12px;
  border-radius: 999px;
  margin-bottom: 16px;
}
.project-card h3 { font-size: 1.15rem; margin-bottom: 10px; }
.project-card p { color: var(--text-dim); font-size: 0.92rem; }

/* PROCESS */
.process-list {
  display: flex;
  flex-direction: column;
  gap: 28px;
  max-width: 720px;
}
.process-step {
  display: flex;
  gap: 24px;
  align-items: flex-start;
  padding-bottom: 28px;
  border-bottom: 1px solid var(--border);
}
.process-step:last-child { border-bottom: none; padding-bottom: 0; }
.process-num {
  font-family: var(--font-display);
  font-size: 1.4rem;
  color: var(--accent);
  min-width: 44px;
}
.process-step h4 { font-size: 1.05rem; margin-bottom: 8px; }
.process-step p { color: var(--text-dim); font-size: 0.92rem; }

/* CONTACT */
.contact-inner { max-width: 640px; }
.contact-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-top: 40px;
}
.form-row { display: flex; gap: 16px; }
.form-row input { flex: 1; }
input, textarea {
  width: 100%;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 13px 16px;
  color: var(--text);
  font-family: var(--font-body);
  font-size: 0.95rem;
  resize: vertical;
}
input:focus, textarea:focus {
  outline: none;
  border-color: var(--accent);
}
input::placeholder, textarea::placeholder { color: var(--text-faint); }
.form-note {
  text-align: center;
  font-size: 0.88rem;
  color: var(--accent);
  min-height: 1.2em;
}
.contact-alt {
  display: flex;
  justify-content: center;
  gap: 14px;
  margin-top: 32px;
  color: var(--text-dim);
  font-size: 0.9rem;
  flex-wrap: wrap;
}
.contact-alt a:hover { color: var(--accent); }
.dot { color: var(--text-faint); }

/* FOOTER */
.footer { border-top: 1px solid var(--border); padding: 28px 0; }
.footer-inner {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 0.82rem;
  color: var(--text-faint);
}

/* Animations */
[data-animate] {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
[data-animate].is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* RESPONSIVE */
@media (max-width: 900px) {
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .stack-columns { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 720px) {
  .nav-links {
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    background: rgba(10,14,20,0.98);
    border-bottom: 1px solid var(--border);
    flex-direction: column;
    padding: 24px;
    gap: 20px;
    transform: translateY(-8px);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s ease, transform 0.2s ease;
  }
  .nav-links.open {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
  }
  .nav-toggle { display: flex; }
  .hero { padding-top: 96px; }
  .hero-actions { flex-direction: column; align-items: center; }
  .hero-stats { gap: 32px; }
  .services-grid, .projects-grid { grid-template-columns: 1fr; }
  .stack-columns { grid-template-columns: 1fr 1fr; }
  .form-row { flex-direction: column; }
  .footer-inner { flex-direction: column; text-align: center; }
}