/* ============================================
   GiCo Technologies — Design Tokens
   ============================================ */
:root {
  --navy-950: #08131D;
  --navy-900: #0B1B28;
  --navy-800: #142B3D;
  --navy-700: #1B354C;
  --navy-600: #274863;

  --cyan-400: #12D0E3;
  --cyan-300: #4FE0EE;
  --cyan-200: #9FF0F7;
  --cyan-glow: rgba(18, 208, 227, 0.35);

  --mist-100: #F4F8FA;
  --mist-300: #D7E4EA;
  --slate-400: #8CA3B4;
  --slate-500: #6C8494;

  --ok-green: #3DDC84;

  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'Inter', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  --radius: 10px;
  --border: 1px solid rgba(159, 240, 247, 0.14);
  --container: 1160px;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--navy-900);
  color: var(--mist-100);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

h1, h2, h3 { font-family: var(--font-display); font-weight: 600; letter-spacing: -0.01em; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
.mono { font-family: var(--font-mono); }
.mono-dim { color: var(--cyan-400); }
.cyan { color: var(--cyan-400); }

@media (prefers-reduced-motion: reduce) {
  * { animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; scroll-behavior: auto !important; }
}

.grain {
  position: fixed; inset: 0; pointer-events: none; z-index: 999;
  opacity: 0.035; mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='100' height='100'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* ============================================
   NAV
   ============================================ */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  background: rgba(8, 19, 29, 0.7);
  backdrop-filter: blur(14px);
  border-bottom: var(--border);
}
.nav-inner {
  max-width: var(--container); margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 24px;
}
.nav-brand { display: flex; align-items: center; gap: 10px; font-family: var(--font-display); font-weight: 600; font-size: 17px; }
.nav-logo { height: 30px; width: auto; }
.nav-links { display: flex; gap: 32px; }
.nav-links a { font-size: 14px; color: var(--slate-400); transition: color 0.2s; }
.nav-links a:hover { color: var(--cyan-300); }
.nav-cta { font-size: 13px; padding: 9px 18px; }
.nav-toggle { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: 6px; }
.nav-toggle span { width: 22px; height: 2px; background: var(--mist-100); border-radius: 2px; }

/* ============================================
   BUTTONS
   ============================================ */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 13px 26px; border-radius: 6px;
  font-family: var(--font-body); font-weight: 600; font-size: 15px;
  transition: all 0.2s ease; border: 1px solid transparent; cursor: pointer;
}
.btn-primary { background: var(--cyan-400); color: var(--navy-950); }
.btn-primary:hover { background: var(--cyan-300); box-shadow: 0 0 24px var(--cyan-glow); }
.btn-outline { border-color: rgba(244, 248, 250, 0.25); color: var(--mist-100); }
.btn-outline:hover { border-color: var(--cyan-400); color: var(--cyan-300); }
.btn-ghost { border: 1px solid var(--cyan-400); color: var(--cyan-300); }
.btn-ghost:hover { background: rgba(18, 208, 227, 0.1); }

/* ============================================
   HERO
   ============================================ */
.hero {
  position: relative; min-height: 100vh;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  padding: 140px 24px 80px; overflow: hidden;
  background: radial-gradient(ellipse at 50% 0%, var(--navy-800) 0%, var(--navy-900) 60%);
}
.hero-canvas { position: absolute; inset: 0; width: 100%; height: 100%; opacity: 0.55; }
.hero-scrim {
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(8,19,29,0.2) 0%, rgba(8,19,29,0.75) 75%, var(--navy-900) 100%);
}
.hero-inner { position: relative; z-index: 2; max-width: 720px; text-align: center; display: flex; flex-direction: column; align-items: center; }

.terminal {
  width: 100%; max-width: 460px; margin: 0 auto 36px;
  background: rgba(11, 27, 40, 0.85); border: var(--border); border-radius: 8px;
  box-shadow: 0 20px 60px rgba(0,0,0,0.4); text-align: left; overflow: hidden;
}
.terminal-bar { display: flex; align-items: center; gap: 7px; padding: 10px 14px; border-bottom: var(--border); }
.dot { width: 9px; height: 9px; border-radius: 50%; display: inline-block; }
.dot-r { background: #FF5F57; } .dot-y { background: #FEBC2E; } .dot-g { background: #28C840; }
.terminal-title { margin-left: 8px; font-size: 12px; color: var(--slate-500); }
.terminal-body { padding: 16px 18px; font-size: 13px; min-height: 108px; color: var(--cyan-200); }
.terminal-body .line { display: block; margin-bottom: 4px; opacity: 0; }
.terminal-body .line.ok { color: var(--ok-green); }
.terminal-body .cursor { display: inline-block; width: 7px; height: 14px; background: var(--cyan-400); vertical-align: text-bottom; animation: blink 1s steps(1) infinite; }

.hero-title { font-size: clamp(2.4rem, 6vw, 4.2rem); line-height: 1.05; margin-bottom: 20px; }
.hero-sub { font-size: 18px; color: var(--slate-400); max-width: 560px; margin-bottom: 36px; }
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; justify-content: center; }

.scroll-cue {
  position: absolute; bottom: 28px; left: 50%; transform: translateX(-50%);
  font-size: 12px; color: var(--slate-500); z-index: 2; letter-spacing: 2px; text-transform: uppercase;
}
.blink { animation: blink 1s steps(1) infinite; color: var(--cyan-400); }
@keyframes blink { 50% { opacity: 0; } }

/* ============================================
   SECTIONS
   ============================================ */
.section { padding: 110px 24px; }
.section-alt { background: var(--navy-950); }
.section-inner { max-width: var(--container); margin: 0 auto; }
.section-head { max-width: 620px; margin-bottom: 56px; }
.eyebrow { display: inline-block; color: var(--cyan-400); font-size: 13px; letter-spacing: 0.5px; margin-bottom: 14px; }
.section-head h2 { font-size: clamp(1.8rem, 3.4vw, 2.6rem); margin-bottom: 14px; }
.section-lede { color: var(--slate-400); font-size: 17px; }

.reveal { opacity: 0; transform: translateY(24px); transition: opacity 0.6s ease, transform 0.6s ease; }
.reveal.is-visible { opacity: 1; transform: translateY(0); }

/* ============================================
   SERVICES — "rack" module cards
   ============================================ */
.rack { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: rgba(159, 240, 247, 0.14); border: var(--border); border-radius: var(--radius); overflow: hidden; }
.rack-card { background: var(--navy-900); padding: 28px 26px; transition: background 0.25s ease; }
.rack-card:hover { background: var(--navy-800); }
.rack-card-top { display: flex; align-items: center; justify-content: space-between; margin-bottom: 18px; }
.port-id { font-size: 12px; color: var(--slate-500); letter-spacing: 1px; }
.port-led { width: 7px; height: 7px; border-radius: 50%; background: var(--ok-green); box-shadow: 0 0 8px var(--ok-green); }
.rack-card h3 { font-size: 18px; margin-bottom: 10px; }
.rack-card p { color: var(--slate-400); font-size: 14.5px; }

/* ============================================
   GALLERY
   ============================================ */
.gallery { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.gallery-item { display: flex; flex-direction: column; gap: 10px; }
.gallery-frame {
  position: relative; border-radius: 8px; overflow: hidden; border: var(--border);
  aspect-ratio: 4 / 3; background: var(--navy-800);
}
.gallery-frame img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease, filter 0.5s ease; filter: grayscale(15%); }
.gallery-item:hover .gallery-frame img { transform: scale(1.06); filter: grayscale(0%); }
.gallery-item figcaption { font-size: 12px; color: var(--slate-500); padding-left: 2px; }
.gallery-item figcaption::before { content: "// "; color: var(--cyan-400); }

/* ============================================
   WHY GRID
   ============================================ */
.why-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; }
.why-card { border-top: 2px solid var(--cyan-400); padding-top: 22px; }
.why-mark { display: block; color: var(--navy-600); font-size: 13px; margin-bottom: 14px; }
.why-card h3 { font-size: 20px; margin-bottom: 10px; }
.why-card p { color: var(--slate-400); font-size: 15px; }

/* ============================================
   CONTACT
   ============================================ */
.contact-grid { display: grid; grid-template-columns: 1fr 1.1fr; gap: 48px; }
.contact-cards { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; align-content: start; }
.contact-card {
  display: flex; flex-direction: column; gap: 6px;
  padding: 20px; border: var(--border); border-radius: 8px;
  background: var(--navy-900); transition: border-color 0.2s, transform 0.2s;
}
.contact-card:hover { border-color: var(--cyan-400); transform: translateY(-2px); }
.contact-label { font-size: 12px; color: var(--cyan-400); text-transform: lowercase; }
.contact-value { font-size: 15px; font-weight: 600; }

.contact-form { display: flex; flex-direction: column; gap: 14px; }
.contact-form label { font-size: 12px; color: var(--slate-500); text-transform: lowercase; }
.contact-form input, .contact-form textarea {
  background: var(--navy-900); border: var(--border); border-radius: 6px;
  padding: 12px 14px; color: var(--mist-100); font-family: var(--font-body); font-size: 15px;
  resize: vertical;
}
.contact-form input:focus, .contact-form textarea:focus { outline: none; border-color: var(--cyan-400); }
.contact-form .btn { align-self: flex-start; margin-top: 6px; }
.hidden-field { position: absolute; left: -9999px; }

/* ============================================
   FOOTER
   ============================================ */
.footer { border-top: var(--border); padding: 36px 24px; background: var(--navy-950); }
.footer-inner { max-width: var(--container); margin: 0 auto; display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 16px; }
.footer-brand { display: flex; align-items: center; gap: 12px; }
.footer-logo { height: 22px; }
.footer-brand .mono { font-size: 11px; letter-spacing: 2px; color: var(--slate-500); }
.footer-meta { font-size: 12px; color: var(--slate-500); }

/* ============================================
   FOCUS STATES (accessibility)
   ============================================ */
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible {
  outline: 2px solid var(--cyan-400); outline-offset: 3px;
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 860px) {
  .rack { grid-template-columns: 1fr; }
  .gallery { grid-template-columns: repeat(2, 1fr); }
  .why-grid { grid-template-columns: 1fr; gap: 28px; }
  .contact-grid { grid-template-columns: 1fr; }
  .nav-links { display: none; }
  .nav-cta { display: none; }
  .nav-toggle { display: flex; }
}

@media (max-width: 560px) {
  .gallery { grid-template-columns: 1fr; }
  .contact-cards { grid-template-columns: 1fr; }
  .section { padding: 80px 20px; }
  .hero { padding-top: 120px; }
}