/* ==========================================================================
   InstaQuant — design system
   Dark / techy / cyberpunk aesthetic
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Orbitron:wght@500;700;900&family=Rajdhani:wght@400;500;600;700&display=swap');

:root {
  --bg-void: #05070a;
  --bg-panel: #0b0f16;
  --bg-panel-raised: #111826;
  --border-dim: #1c2733;
  --border-glow: rgba(0, 229, 255, 0.35);

  --cyan: #00e5ff;
  --cyan-dim: #0891a8;
  --magenta: #ff2ec4;
  --violet: #7b5bff;
  --amber: #ffb800;

  --text-primary: #e8f4f8;
  --text-secondary: #8fa3b3;
  --text-dim: #566878;

  --font-display: 'Orbitron', sans-serif;
  --font-body: 'Rajdhani', sans-serif;

  --nav-height: 76px;
  --glow-cyan: 0 0 8px rgba(0, 229, 255, 0.6), 0 0 24px rgba(0, 229, 255, 0.25);
  --glow-magenta: 0 0 8px rgba(255, 46, 196, 0.6), 0 0 24px rgba(255, 46, 196, 0.25);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg-void);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 18px;
  line-height: 1.6;
  overflow-x: hidden;
}

body::before {
  content: '';
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background:
    radial-gradient(ellipse at 20% -10%, rgba(0, 229, 255, 0.08), transparent 45%),
    radial-gradient(ellipse at 100% 10%, rgba(255, 46, 196, 0.06), transparent 40%),
    repeating-linear-gradient(0deg, rgba(255,255,255,0.015) 0px, rgba(255,255,255,0.015) 1px, transparent 1px, transparent 3px);
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: 0.03em;
  margin: 0 0 0.6em;
  color: var(--text-primary);
}

h1 { font-size: clamp(2.2rem, 5vw, 3.6rem); line-height: 1.15; }
h2 { font-size: clamp(1.6rem, 3vw, 2.3rem); }
h3 { font-size: 1.3rem; color: var(--cyan); }

p { color: var(--text-secondary); }

a { color: var(--cyan); text-decoration: none; transition: color 0.2s ease; }
a:hover { color: var(--text-primary); }

.eyebrow {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 0.72rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--cyan);
  margin-bottom: 0.9em;
}

.container {
  width: min(1180px, 92vw);
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

/* ---------- nav ---------- */

.site-nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  height: var(--nav-height);
  display: flex;
  align-items: center;
  background: rgba(5, 7, 10, 0.72);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-dim);
}

.site-nav .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: 0.08em;
  color: var(--text-primary);
}

.nav-links {
  display: flex;
  gap: 2.2rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-links a {
  font-family: var(--font-display);
  font-size: 0.82rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-secondary);
  position: relative;
  padding: 0.3rem 0;
}

.nav-links a::after {
  content: '';
  position: absolute;
  left: 0; right: 100%;
  bottom: -4px;
  height: 2px;
  background: var(--cyan);
  box-shadow: var(--glow-cyan);
  transition: right 0.25s ease;
}

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

.nav-links a:hover::after,
.nav-links a.active::after { right: 0; }

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--border-dim);
  border-radius: 4px;
  color: var(--text-primary);
  width: 40px; height: 40px;
  font-size: 1.2rem;
  cursor: pointer;
}

@media (max-width: 820px) {
  .nav-links {
    position: fixed;
    top: var(--nav-height);
    left: 0; right: 0;
    flex-direction: column;
    gap: 0;
    background: var(--bg-panel);
    border-bottom: 1px solid var(--border-dim);
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
  }
  .nav-links.open { max-height: 320px; }
  .nav-links a { display: block; padding: 1rem 6vw; border-top: 1px solid var(--border-dim); }
  .nav-links a::after { display: none; }
  .nav-toggle { display: block; }
}

/* ---------- buttons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-display);
  font-size: 0.85rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.85rem 1.7rem;
  border-radius: 4px;
  cursor: pointer;
  border: 1px solid var(--cyan);
  color: var(--cyan);
  background: rgba(0, 229, 255, 0.06);
  transition: all 0.2s ease;
}

.btn:hover {
  color: var(--bg-void);
  background: var(--cyan);
  box-shadow: var(--glow-cyan);
}

.btn-solid {
  background: var(--cyan);
  color: var(--bg-void);
  box-shadow: var(--glow-cyan);
}

.btn-solid:hover { background: #4ff2ff; color: var(--bg-void); }

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

.btn-ghost:hover {
  border-color: var(--cyan);
  color: var(--cyan);
  background: rgba(0, 229, 255, 0.06);
  box-shadow: none;
}

/* ---------- sections / cards ---------- */

section { position: relative; z-index: 1; padding: 6.5rem 0; }
.section-tight { padding: 4rem 0; }

.section-head { max-width: 640px; margin-bottom: 3rem; }

.grid {
  display: grid;
  gap: 1.5rem;
}

.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }

@media (max-width: 900px) {
  .grid-3, .grid-2 { grid-template-columns: 1fr; }
}

.card {
  background: linear-gradient(180deg, var(--bg-panel-raised), var(--bg-panel));
  border: 1px solid var(--border-dim);
  border-radius: 8px;
  padding: 2rem;
  transition: border-color 0.25s ease, transform 0.25s ease;
}

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

.card .icon {
  width: 42px; height: 42px;
  border: 1px solid var(--cyan);
  border-radius: 6px;
  display: flex; align-items: center; justify-content: center;
  color: var(--cyan);
  margin-bottom: 1.2rem;
  font-family: var(--font-display);
  box-shadow: var(--glow-cyan);
}

/* ---------- footer ---------- */

.site-footer {
  border-top: 1px solid var(--border-dim);
  padding: 2.5rem 0;
  position: relative; z-index: 1;
}

.site-footer .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.site-footer p { margin: 0; color: var(--text-dim); font-size: 0.9rem; }

.footer-links { display: flex; gap: 1.5rem; }
.footer-links a { color: var(--text-secondary); font-size: 0.9rem; }

/* ---------- page hero (non-home pages) ---------- */

.page-hero {
  padding: calc(var(--nav-height) + 4.5rem) 0 3rem;
  border-bottom: 1px solid var(--border-dim);
}

/* ---------- pricing ---------- */

.price-card { display: flex; flex-direction: column; }
.price-card .price {
  font-family: var(--font-display);
  font-size: 2.4rem;
  color: var(--cyan);
  margin: 0.6rem 0 1.2rem;
}
.price-card .price span {
  font-size: 0.95rem;
  color: var(--text-dim);
  font-family: var(--font-body);
}
.price-card ul { list-style: none; padding: 0; margin: 0 0 1.8rem; flex: 1; }
.price-card li {
  padding: 0.55rem 0;
  border-top: 1px solid var(--border-dim);
  color: var(--text-secondary);
  font-size: 0.95rem;
}
.price-card.featured { border-color: var(--cyan); box-shadow: var(--glow-cyan); }

/* ---------- contact ---------- */

.contact-form { display: grid; gap: 1.2rem; max-width: 560px; }
.form-row { display: grid; gap: 0.4rem; }
.form-row label {
  font-family: var(--font-display);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-secondary);
}
.form-row input,
.form-row textarea {
  background: var(--bg-panel);
  border: 1px solid var(--border-dim);
  border-radius: 4px;
  padding: 0.8rem 1rem;
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 1rem;
  resize: vertical;
}
.form-row input:focus,
.form-row textarea:focus {
  outline: none;
  border-color: var(--cyan);
  box-shadow: var(--glow-cyan);
}

.contact-info { display: grid; gap: 1.4rem; align-content: start; }
.contact-info .label {
  font-family: var(--font-display);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-dim);
}
.contact-info .value { color: var(--text-primary); font-size: 1.1rem; }

/* ---------- utility ---------- */

.text-center { text-align: center; }
.mt-lg { margin-top: 3rem; }