/* ===== RESET & BASE ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg: #0D0C1A;
  --surface: #131224;
  --primary: #211F54;
  --accent: #4A3AFF;
  --accent2: #7D42FB;
  --accent3: #2D68FF;
  --text: #F5F4F0;
  --muted: #888884;
  --border: rgba(255,255,255,0.07);
  --radius-card: 20px;
  --radius-lg: 32px;
  --max-w: 1100px;
}

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'DM Sans', sans-serif;
  font-size: 1rem;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* ===== TYPOGRAPHY ===== */
h1, h2, h3, h4 {
  font-family: 'Cormorant Garamond', serif;
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--text);
}

h2 { font-size: clamp(2rem, 4vw, 3rem); }
h3 { font-size: 1.25rem; font-weight: 600; margin-bottom: 0.5rem; }
p { line-height: 1.65; }
a { color: inherit; text-decoration: none; }

/* ===== LAYOUT ===== */
.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 clamp(1.25rem, 4vw, 2.5rem);
}

.section {
  padding: clamp(5rem, 10vw, 8rem) 0;
}

/* ===== NAV ===== */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 0 clamp(1.25rem, 4vw, 2.5rem);
  transition: background 0.3s, backdrop-filter 0.3s;
}
.nav.scrolled {
  background: rgba(13,12,26,0.85);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  display: flex;
  align-items: center;
  height: 72px;
  gap: 2rem;
}
.nav-logo {
  display: flex;
  align-items: center;
  text-decoration: none;
  flex-shrink: 0;
}
.nav-logo img {
  height: 38px;
  width: auto;
  display: block;
}

.nav-links {
  display: flex;
  list-style: none;
  gap: 0.25rem;
  margin-left: auto;
}
.nav-links a {
  font-size: 0.88rem;
  color: var(--muted);
  padding: 0.5rem 0.9rem;
  border-radius: 8px;
  transition: color 0.2s, background 0.2s;
  font-weight: 400;
}
.nav-links a:hover { color: var(--text); background: rgba(255,255,255,0.05); }
.nav-cta { margin-left: 0.5rem; flex-shrink: 0; }

.nav-burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  margin-left: auto;
  padding: 0.5rem;
}
.nav-burger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: all 0.3s;
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    background: rgba(13,12,26,0.97);
    backdrop-filter: blur(20px);
    flex-direction: column;
    padding: 1.5rem 2rem 2rem;
    border-bottom: 1px solid var(--border);
    margin: 0;
    gap: 0.25rem;
  }
  .nav-links.open { display: flex; }
  .nav-links a { font-size: 1rem; padding: 0.75rem 1rem; }
  .nav-burger { display: flex; }
  .nav-cta { display: none; }
}

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.75rem;
  border-radius: 100px;
  font-family: 'DM Sans', sans-serif;
  font-size: 0.88rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.25s;
  border: none;
  text-decoration: none;
  white-space: nowrap;
}
.btn-primary {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 0 0 0 rgba(74,58,255,0);
}
.btn-primary:hover {
  background: #5a4aff;
  box-shadow: 0 0 30px rgba(74,58,255,0.4);
  transform: translateY(-1px);
}
.btn-ghost {
  background: rgba(255,255,255,0.05);
  color: var(--text);
  border: 1px solid var(--border);
}
.btn-ghost:hover {
  background: rgba(255,255,255,0.08);
  border-color: rgba(255,255,255,0.12);
}

/* ===== SECTION HEADERS ===== */
.section-tag {
  display: inline-block;
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  font-weight: 600;
  font-family: 'DM Sans', sans-serif;
  margin-bottom: 1rem;
  opacity: 0.85;
}
.section-title {
  font-size: clamp(2rem, 4vw, 3rem);
  margin-bottom: 1rem;
}
.section-sub {
  color: var(--muted);
  max-width: 580px;
  font-size: 1.05rem;
  line-height: 1.7;
  margin-bottom: 0;
}

/* ===== CARDS ===== */
.card {
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  padding: 2rem;
  transition: all 0.3s;
}
.card:hover {
  border-color: rgba(74,58,255,0.2);
  transform: translateY(-2px);
}
.card-icon {
  font-size: 1.75rem;
  margin-bottom: 1rem;
  display: block;
}
.card p { color: var(--muted); font-size: 0.9rem; margin-top: 0.5rem; }

/* ===== REVEAL ANIMATION ===== */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.65s ease, transform 0.65s ease;
  transition-delay: var(--delay, 0s);
}
.reveal.visible {
  opacity: 1;
  transform: none;
}

/* ===== FOOTER ===== */
.footer {
  border-top: 1px solid var(--border);
  padding: clamp(3rem, 6vw, 5rem) clamp(1.25rem, 4vw, 2.5rem) 2rem;
}
.footer-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.5fr 2fr;
  gap: 4rem;
  margin-bottom: 3rem;
}
@media (max-width: 720px) {
  .footer-inner { grid-template-columns: 1fr; gap: 2.5rem; }
}
.footer-brand p {
  color: var(--muted);
  font-size: 0.88rem;
  line-height: 1.6;
  margin-top: 0.75rem;
  max-width: 280px;
}
.footer-links {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}
@media (max-width: 580px) {
  .footer-links { grid-template-columns: 1fr 1fr; }
}
.footer-col h4 {
  font-family: 'DM Sans', sans-serif;
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  font-weight: 600;
  margin-bottom: 1.25rem;
}
.footer-col a {
  display: block;
  font-size: 0.88rem;
  color: var(--muted);
  margin-bottom: 0.6rem;
  transition: color 0.2s;
}
.footer-col a:hover { color: var(--text); }
.footer-bottom {
  max-width: var(--max-w);
  margin: 0 auto;
  padding-top: 2rem;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.8rem;
  color: var(--muted);
}
.footer-bottom a { color: var(--muted); transition: color 0.2s; }
.footer-bottom a:hover { color: var(--text); }

/* ===== PAGE HERO (inner pages) ===== */
.page-hero {
  padding: clamp(8rem, 15vw, 12rem) 0 clamp(4rem, 8vw, 6rem);
  text-align: center;
  position: relative;
  overflow: hidden;
}
.page-hero::before {
  content: '';
  position: absolute;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(74,58,255,0.18) 0%, transparent 70%);
  top: -100px;
  left: 50%;
  transform: translateX(-50%);
  filter: blur(80px);
  pointer-events: none;
}
.page-hero h1 {
  font-size: clamp(2.5rem, 5vw, 4.5rem);
  margin-bottom: 1.25rem;
  position: relative;
  z-index: 1;
}
.page-hero p {
  color: var(--muted);
  font-size: 1.1rem;
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.7;
  position: relative;
  z-index: 1;
}

/* ===== DIVIDER ===== */
.divider {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border) 30%, var(--border) 70%, transparent);
  margin: 0;
}

/* ===== HIGHLIGHT ===== */
.highlight { color: var(--accent2); }
.highlight-electric { color: var(--accent); }