/* ========================================
   CODESPEC — Professional Design System
   Inspired by Helix Earth
   ======================================== */

:root {
  --bg: #060a12;
  --bg-elevated: #0a0f1c;
  --bg-section: #080d18;
  --bg-card: rgba(255,255,255,0.04);
  --bg-card-hover: rgba(255,255,255,0.07);

  --cyan: #00d4ff;
  --violet: #a855f7;
  --green: #00e676;
  --amber: #ffb800;

  --text: #f0f2f5;
  --text-dim: rgba(240,242,245,0.7);
  --text-muted: rgba(240,242,245,0.45);

  --border: rgba(255,255,255,0.1);
  --border-hover: rgba(255,255,255,0.18);
  --border-strong: rgba(255,255,255,0.25);

  --font: 'Inter', system-ui, sans-serif;
  --font-display: 'Space Grotesk', system-ui, sans-serif;

  --space: 8px;
  --container: 1200px;
  --radius: 16px;
  --radius-sm: 10px;

  --ease: cubic-bezier(0.16, 1, 0.3, 1);
  --duration: 400ms;
}

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

html { scroll-behavior: smooth; font-size: 16px; -webkit-font-smoothing: antialiased; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 1.125rem;
  line-height: 1.8;
  overflow-x: hidden;
}

a { text-decoration: none; color: inherit; }
img { max-width: 100%; display: block; }

/* ---- Layout ---- */
.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 calc(var(--space) * 3);
}

/* ---- Skip Link ---- */
.skip-link {
  position: absolute; top: -100%; left: 0; z-index: 200;
  padding: 12px 24px; background: var(--cyan); color: var(--bg);
  font-weight: 600; border-radius: 0 0 8px 0;
}
.skip-link:focus { top: 0; }

/* ---- Nav ---- */
.nav {
  position: fixed; top: 0; left: 0; width: 100%; z-index: 100;
  background: linear-gradient(180deg, rgba(6,10,18,0.95) 0%, rgba(6,10,18,0.85) 50%, transparent 100%);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  transition: all var(--duration) var(--ease);
}
.nav-inner {
  display: flex; justify-content: space-between; align-items: center;
  height: 72px;
}
.logo {
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  background: linear-gradient(135deg, var(--cyan), var(--violet));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.logo-reg { font-size: 0.5em; vertical-align: super; margin-left: 1px; }
.nav-links { display: flex; gap: calc(var(--space) * 5); align-items: center; }
.nav-link {
  font-size: 1.0625rem;
  font-weight: 500;
  color: var(--text);
  transition: color var(--duration) var(--ease);
  padding: 6px 0;
}
.nav-link:hover { color: var(--cyan); }
.nav-cta {
  background: linear-gradient(135deg, rgba(0,212,255,0.15), rgba(168,85,247,0.15));
  border: 1px solid rgba(0,212,255,0.4);
  color: var(--cyan) !important;
  padding: 10px 24px;
  border-radius: 8px;
  font-size: 1rem;
  font-weight: 600;
}
.nav-cta:hover { border-color: var(--cyan); box-shadow: 0 0 20px rgba(0,212,255,0.15); }
.nav-toggle { display: none; background: none; border: none; cursor: pointer; padding: 8px; }
.nav-toggle span { display: block; width: 24px; height: 2px; background: var(--text); margin: 5px 0; border-radius: 1px; }

/* ---- Background Video ---- */
.hero-video {
  position: fixed; top: 0; left: 0; width: 100%; height: 100%;
  z-index: 0; overflow: hidden; pointer-events: none;
}
.hero-video video {
  position: absolute; top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  min-width: 100%; min-height: 100%; width: auto; height: auto;
  object-fit: cover;
  opacity: 0.4;
  will-change: transform;
}
.hero-video::after {
  content: '';
  position: absolute; top: 0; left: 0; width: 100%; height: 100%;
  background: linear-gradient(180deg, rgba(6,10,18,0.92) 0%, rgba(6,10,18,0.75) 30%, rgba(6,10,18,0.7) 70%, rgba(6,10,18,0.95) 100%);
  pointer-events: none;
}

/* ---- Background Video ---- */
.hero-video {
  position: fixed; top: 0; left: 0; width: 100%; height: 100%;
  z-index: 0; overflow: hidden; pointer-events: none;
}
.hero-video video {
  position: absolute; top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  min-width: 100%; min-height: 100%; width: auto; height: auto;
  object-fit: cover;
  opacity: 0.4;
  will-change: transform;
}
.hero-video::after {
  content: '';
  position: absolute; top: 0; left: 0; width: 100%; height: 100%;
  background: linear-gradient(180deg, rgba(6,10,18,0.92) 0%, rgba(6,10,18,0.75) 30%, rgba(6,10,18,0.7) 70%, rgba(6,10,18,0.95) 100%);
  pointer-events: none;
}

.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 64px;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  top: -30%; left: -10%;
  width: 60%; height: 60%;
  background: radial-gradient(ellipse, rgba(0,212,255,0.06), transparent 70%);
  filter: blur(60px);
  pointer-events: none;
}
.hero::after {
  content: '';
  position: absolute;
  bottom: -20%; right: -10%;
  width: 50%; height: 50%;
  background: radial-gradient(ellipse, rgba(168,85,247,0.05), transparent 70%);
  filter: blur(60px);
  pointer-events: none;
}
.hero-content { position: relative; z-index: 2; max-width: 860px; }
.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: -0.02em;
  margin-bottom: calc(var(--space) * 3);
}
.hero-title .accent {
  background: linear-gradient(135deg, var(--cyan), var(--violet));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-lead {
  font-size: clamp(1.1rem, 1.5vw, 1.25rem);
  color: var(--text-dim);
  line-height: 1.7;
  margin-bottom: calc(var(--space) * 5);
  max-width: 600px;
}
.hero-stats {
  display: flex;
  gap: calc(var(--space) * 5);
  margin-bottom: calc(var(--space) * 5);
  padding: calc(var(--space) * 3) 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.hero-stats .stat-num {
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--cyan);
  display: block;
  line-height: 1.2;
}
.hero-stats .stat-label {
  font-size: 0.8125rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.hero-ctas { display: flex; gap: calc(var(--space) * 2); }

/* ---- Buttons ---- */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 14px 32px; font-size: 0.9375rem; font-weight: 600;
  border-radius: var(--radius-sm); cursor: pointer; text-align: center;
  transition: all var(--duration) var(--ease);
  border: 1px solid transparent; letter-spacing: 0.01em;
}
.btn-primary {
  background: linear-gradient(135deg, rgba(0,212,255,0.12), rgba(168,85,247,0.12));
  border-color: rgba(0,212,255,0.35);
  color: var(--cyan);
}
.btn-primary:hover {
  border-color: var(--cyan);
  box-shadow: 0 0 30px rgba(0,212,255,0.15);
  transform: translateY(-1px);
}
.btn-ghost {
  background: transparent;
  border-color: var(--border);
  color: var(--text);
}
.btn-ghost:hover { border-color: var(--border-hover); }
.btn-full { width: 100%; }

/* ---- Section Headers ---- */
.section-header { margin-bottom: calc(var(--space) * 10); }
.section-header.center { text-align: center; }
.section-tag {
  font-size: 0.8125rem; font-weight: 600; text-transform: uppercase;
  letter-spacing: 0.12em; color: var(--cyan); display: block;
  margin-bottom: calc(var(--space) * 2);
}
.section-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700; letter-spacing: -0.01em;
  line-height: 1.15;
}

/* ---- Section Base ---- */
.section {
  padding: calc(var(--space) * 20) 0;
  position: relative;
  z-index: 1;
}
.section + .section::before {
  content: '';
  position: absolute;
  top: 0; left: 50%;
  transform: translateX(-50%);
  width: 80%; max-width: var(--container);
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border), transparent);
}
.section.alt { background: var(--bg-section); }

/* ---- About ---- */
.about {  }
.about-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: calc(var(--space) * 10);
  align-items: start;
}
.about-panel {
  background: linear-gradient(135deg, rgba(0,212,255,0.04), rgba(168,85,247,0.04));
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: calc(var(--space) * 6);
  transition: all var(--duration) var(--ease);
}
.about-panel:hover { border-color: rgba(0,212,255,0.2); }
.about-panel p {
  font-size: 1.125rem; color: var(--text-dim); margin-bottom: calc(var(--space) * 4);
  line-height: 1.85;
}
.about-panel p:last-child { margin-bottom: 0; }
.about-stats {
  display: grid; grid-template-columns: 1fr 1fr; gap: calc(var(--space) * 4);
}
.stat-card {
  background: linear-gradient(135deg, rgba(0,212,255,0.06), rgba(168,85,247,0.06));
  border: 1px solid var(--border);
  border-radius: var(--radius); padding: calc(var(--space) * 5);
  text-align: center; transition: all var(--duration) var(--ease);
}
.stat-card:hover { border-color: var(--cyan); transform: translateY(-4px); box-shadow: 0 0 30px rgba(0,212,255,0.1); }
.stat-card .stat-num {
  font-family: var(--font-display); font-size: 2rem; font-weight: 700;
  color: var(--cyan); display: block; line-height: 1.2;
  text-shadow: 0 0 20px rgba(0,212,255,0.3);
}
.stat-card .stat-label { font-size: 0.875rem; color: var(--text-dim); text-transform: uppercase; letter-spacing: 0.05em; }

/* ---- Services ---- */
.services { background: var(--bg-section); }
.services-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: calc(var(--space) * 5);
}
.service-card {
  background: linear-gradient(135deg, rgba(0,212,255,0.04), rgba(168,85,247,0.04));
  border: 1px solid var(--border);
  border-radius: var(--radius); padding: calc(var(--space) * 6);
  transition: all var(--duration) var(--ease);
}
.service-card:hover {
  border-color: var(--cyan);
  transform: translateY(-6px);
  box-shadow: 0 12px 40px rgba(0,0,0,0.3), 0 0 30px rgba(0,212,255,0.08);
}
.service-icon {
  width: 48px; height: 48px; border-radius: 12px;
  background: linear-gradient(135deg, rgba(0,212,255,0.12), rgba(168,85,247,0.12));
  border: 1px solid rgba(0,212,255,0.2);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: calc(var(--space) * 4); color: var(--cyan);
}
.service-icon svg { width: 24px; height: 24px; }
.service-card h3 {
  font-family: var(--font-display); font-size: 1.25rem; font-weight: 600;
  margin-bottom: calc(var(--space) * 2);
  background: linear-gradient(135deg, var(--text), var(--cyan));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-shadow: 0 0 30px rgba(0,212,255,0.15);
}
.service-card p { font-size: 1rem; color: var(--text-dim); line-height: 1.8; }

/* ---- Capabilities ---- */
.capabilities {  }
.caps-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: calc(var(--space) * 4);
}
.cap-card {
  background: linear-gradient(135deg, rgba(0,230,118,0.04), rgba(0,212,255,0.04));
  border: 1px solid var(--border);
  border-radius: var(--radius-sm); padding: calc(var(--space) * 5);
  transition: all var(--duration) var(--ease);
}
.cap-card:hover { border-color: var(--green); transform: translateY(-2px); box-shadow: 0 0 20px rgba(0,230,118,0.08); }
.cap-icon { font-size: 1.75rem; margin-bottom: calc(var(--space) * 2); }
.cap-card h4 {
  font-size: 1.125rem; font-weight: 600; margin-bottom: calc(var(--space) * 1.5);
  background: linear-gradient(135deg, var(--text), var(--green));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-shadow: 0 0 20px rgba(0,230,118,0.12);
}
.cap-card p { font-size: 0.9375rem; color: var(--text-dim); line-height: 1.7; }

/* ---- Contact ---- */
.contact { background: var(--bg-elevated); }
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: calc(var(--space) * 10); }
.contact-info p { color: var(--text-dim); line-height: 1.8; margin-bottom: calc(var(--space) * 5); }
.contact-meta p { margin-bottom: calc(var(--space) * 3); font-size: 1rem; }
.contact-meta strong { color: var(--text); font-weight: 600; display: block; margin-bottom: 4px; }
.contact-social { display: flex; gap: calc(var(--space) * 4); margin-top: calc(var(--space) * 5); }
.contact-social a {
  font-size: 0.9375rem; color: var(--cyan); font-weight: 500;
  border-bottom: 1px solid transparent; padding-bottom: 2px;
}
.contact-social a:hover { border-bottom-color: var(--cyan); }

/* ---- Form ---- */
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: calc(var(--space) * 3); }
.form-group { margin-bottom: calc(var(--space) * 3); }
.form-group label {
  display: block; font-size: 0.875rem; font-weight: 600;
  color: var(--text-dim); margin-bottom: calc(var(--space) * 1.5);
  text-transform: uppercase; letter-spacing: 0.05em;
}
.form-group input, .form-group textarea {
  width: 100%; padding: 16px 18px;
  background: rgba(255,255,255,0.03); border: 1px solid var(--border);
  border-radius: var(--radius-sm); color: var(--text);
  font-family: var(--font); font-size: 1rem;
  transition: all var(--duration) var(--ease);
}
.form-group input:focus, .form-group textarea:focus {
  outline: none; border-color: var(--cyan);
  box-shadow: 0 0 0 3px rgba(0,212,255,0.1);
}
.form-group textarea { resize: vertical; min-height: 140px; }
.form-feedback {
  margin-top: calc(var(--space) * 2); font-size: 0.9375rem;
  text-align: center; padding: calc(var(--space) * 2);
  border-radius: var(--radius-sm);
}
.form-feedback.success { color: var(--green); background: rgba(0,230,118,0.1); border: 1px solid rgba(0,230,118,0.2); }
.form-feedback.error { color: #ff6b6b; background: rgba(255,107,107,0.1); border: 1px solid rgba(255,107,107,0.2); }

/* ---- Footer ---- */
.footer {
  background: var(--bg);
  border-top: 1px solid var(--border-strong);
  padding: calc(var(--space) * 12) 0 calc(var(--space) * 6);
  position: relative;
  z-index: 1;
}
.footer-inner {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: calc(var(--space) * 4);
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 calc(var(--space) * 3);
}
.footer-brand {
  text-align: left;
}
.footer-brand .logo {
  font-size: 1.75rem;
  margin-bottom: calc(var(--space) * 2);
  display: inline-block;
}
.footer-tagline {
  font-size: 1rem;
  color: var(--text-dim);
  line-height: 1.6;
}
.footer-center {
  text-align: center;
  border-left: 1px solid var(--border);
  border-right: 1px solid var(--border);
  padding: 0 calc(var(--space) * 6);
}
.footer-copyright {
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-bottom: calc(var(--space) * 1.5);
}
.footer-signature {
  font-size: 0.875rem;
  color: var(--text-dim);
}
.footer-signature .accent {
  background: linear-gradient(135deg, var(--cyan), var(--violet));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.footer-social {
  text-align: right;
}
.footer-social-links {
  display: flex;
  justify-content: flex-end;
  gap: calc(var(--space) * 3);
  margin-bottom: calc(var(--space) * 2);
}
.footer-social-links a {
  width: 44px; height: 44px;
  border-radius: 50%;
  background: var(--bg-card);
  border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  color: var(--text-dim);
  transition: all var(--duration) var(--ease);
}
.footer-social-links a:hover {
  border-color: var(--cyan);
  color: var(--cyan);
  transform: translateY(-2px);
}
.footer-social-links svg { width: 20px; height: 20px; }
.footer-made {
  font-size: 0.8125rem;
  color: var(--text-muted);
}

/* ---- Scroll Reveals ---- */
.scroll-reveal {
  opacity: 0; transform: translateY(30px);
  transition: opacity 0.8s var(--ease), transform 0.8s var(--ease);
}
.scroll-reveal.visible { opacity: 1; transform: translateY(0); }
.stagger-1 { transition-delay: 80ms; }
.stagger-2 { transition-delay: 160ms; }
.stagger-3 { transition-delay: 240ms; }

/* ---- Responsive ---- */
@media (max-width: 1024px) {
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .caps-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-links.open {
    display: flex; flex-direction: column; position: fixed;
    top: 64px; left: 0; right: 0; background: var(--bg-elevated);
    padding: calc(var(--space) * 4); gap: calc(var(--space) * 3);
    border-bottom: 1px solid var(--border);
  }
  .nav-toggle { display: block; }
  .hero-stats { flex-direction: column; gap: calc(var(--space) * 3); }
  .about-grid { grid-template-columns: 1fr; }
  .services-grid { grid-template-columns: 1fr; }
  .caps-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .hero-title { font-size: clamp(2rem, 8vw, 3rem); }
}

/* ---- Reduced Motion ---- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  .scroll-reveal { opacity: 1; transform: none; }
}

/* ---- Print ---- */
@media print {
  .nav, .hero-ctas, .contact-form-wrap { display: none; }
  body { background: #fff; color: #000; }
  .service-card, .cap-card, .stat-card { border: 1px solid #ccc; }
}