/* ═══════════════════════════════════════════════════════
   ELECTRO SMART — Brand Design System
   Colors, Typography, Logo, Core Components
   ═══════════════════════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=Rajdhani:wght@300;400;500;600;700&family=Outfit:wght@200;300;400;500;600&display=swap');

:root {
  /* Brand Colors */
  --es-void:      #0A0A0B;
  --es-dark:      #111214;
  --es-panel:     #16181C;
  --es-border:    #2A2D35;
  --es-gold:      #C9A84C;
  --es-gold-light:#E8C86A;
  --es-electric:  #4AF0D4;
  --es-white:     #F0F2F5;
  --es-mid:       #8A8FA0;

  /* Functional aliases */
  --bg-primary:   var(--es-void);
  --bg-card:      var(--es-panel);
  --text-primary: var(--es-white);
  --text-secondary: var(--es-mid);
  --accent:       var(--es-gold);
  --accent-alt:   var(--es-electric);
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--bg-primary);
  color: var(--text-primary);
  font-family: 'Outfit', sans-serif;
  font-weight: 300;
  line-height: 1.6;
  overflow-x: hidden;
}

/* Grid background texture */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  z-index: 0;
  background-image:
    linear-gradient(rgba(201,168,76,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(201,168,76,0.03) 1px, transparent 1px);
  background-size: 40px 40px;
  pointer-events: none;
}

/* ── TYPOGRAPHY ─────────────────────── */

h1, h2, h3, h4 {
  font-family: 'Rajdhani', sans-serif;
  font-weight: 700;
  letter-spacing: 0.08em;
  line-height: 1.1;
}

h1 { font-size: clamp(2.5rem, 5vw, 4rem); }
h2 { font-size: clamp(1.5rem, 3vw, 2.2rem); }
h3 { font-size: clamp(1.1rem, 2vw, 1.4rem); }

.text-gold { color: var(--es-gold); }
.text-electric { color: var(--es-electric); }
.text-muted { color: var(--es-mid); }

.eyebrow {
  font-family: 'Rajdhani', sans-serif;
  font-size: 11px;
  letter-spacing: 0.35em;
  color: var(--es-gold);
  text-transform: uppercase;
}

.spec-text {
  font-family: 'Rajdhani', sans-serif;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.3em;
  color: var(--es-electric);
}

/* ── LAYOUT ─────────────────────────── */

.container {
  position: relative;
  z-index: 1;
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 40px;
}

section {
  padding: 100px 0;
}

/* ── BUTTONS ────────────────────────── */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: 'Rajdhani', sans-serif;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  text-decoration: none;
  padding: 14px 32px;
  border: none;
  cursor: pointer;
  transition: all 0.3s ease;
}

.btn-gold {
  background: var(--es-gold);
  color: var(--es-void);
}
.btn-gold:hover {
  background: var(--es-gold-light);
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(201,168,76,0.3);
}

.btn-outline {
  background: transparent;
  color: var(--es-white);
  border: 1px solid var(--es-border);
}
.btn-outline:hover {
  border-color: var(--es-gold);
  color: var(--es-gold);
}

/* ── CARDS ──────────────────────────── */

.card {
  background: var(--bg-card);
  border: 1px solid var(--es-border);
  padding: 40px 32px;
  transition: border-color 0.3s;
}
.card:hover {
  border-color: var(--es-gold);
}

/* ── SECTION DIVIDER ────────────────── */

.section-label {
  font-family: 'Rajdhani', sans-serif;
  font-size: 10px;
  letter-spacing: 0.4em;
  color: var(--es-mid);
  text-transform: uppercase;
  margin-bottom: 48px;
  display: flex;
  align-items: center;
  gap: 16px;
}
.section-label::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--es-border);
}

/* ── ANIMATIONS ─────────────────────── */

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(30px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes glowPulse {
  0%, 100% { opacity: 0.6; }
  50%      { opacity: 1; }
}

.fade-up {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}