:root {
  --brand-primary:   #696cff;
  --brand-dark:      #0d0e1a;
  --brand-surface:   #13152a;
  --brand-card:      #1a1d35;
  --brand-border:    rgba(105,108,255,0.18);
  --brand-muted:     #7b7f9e;
  --brand-accent:    #ff6b35;
  --brand-text:      #e8e9f5;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: 'Barlow', sans-serif;
  background: var(--brand-dark);
  color: var(--brand-text);
  overflow-x: hidden;
}

/* ── NOISE OVERLAY ── */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.04'/%3E%3C/svg%3E");
  pointer-events: none;
  z-index: 0;
  opacity: 0.4;
}

/* ── NAVBAR ── */
.site-nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  padding: 1rem 0;
  transition: background 0.3s, backdrop-filter 0.3s, box-shadow 0.3s;
}
.site-nav.scrolled {
  background: rgba(13, 14, 26, 0.92);
  backdrop-filter: blur(16px);
  box-shadow: 0 1px 0 var(--brand-border);
}
.nav-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-logo {
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 800;
  font-size: 1.4rem;
  letter-spacing: 0.04em;
  color: #fff;
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.nav-logo-dot {
  width: 10px; height: 10px;
  border-radius: 50%;
  background: var(--brand-primary);
  display: inline-block;
  box-shadow: 0 0 10px var(--brand-primary);
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
  list-style: none;
}
.nav-links a {
  color: var(--brand-muted);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  transition: color 0.2s;
}
.nav-links a:hover { color: #fff; }
.nav-cta {
  background: var(--brand-primary);
  color: #fff !important;
  padding: 0.5rem 1.25rem;
  border-radius: 6px;
  font-weight: 600 !important;
  transition: opacity 0.2s !important;
}
.nav-cta:hover { opacity: 0.85; color: #fff !important; }

/* ── HERO ── */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding: 7rem 2rem 4rem;
}
.hero-bg {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(135deg, rgba(105,108,255,0.12) 0%, transparent 50%),
    linear-gradient(rgba(13,14,26,0.7), rgba(13,14,26,0.85)),
    url('https://images.unsplash.com/photo-1519003722824-194d4455a60c?q=80&w=2070&auto=format&fit=crop') center/cover no-repeat;
}
/* grid lines */
.hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(105,108,255,0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(105,108,255,0.06) 1px, transparent 1px);
  background-size: 60px 60px;
}
/* glow blob */
.hero-glow {
  position: absolute;
  width: 700px; height: 700px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(105,108,255,0.18) 0%, transparent 70%);
  top: -150px; left: -150px;
  pointer-events: none;
}
.hero-inner {
  max-width: 1280px;
  margin: 0 auto;
  width: 100%;
  position: relative;
  z-index: 2;
}
.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(105,108,255,0.12);
  border: 1px solid var(--brand-border);
  border-radius: 100px;
  padding: 0.35rem 1rem;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--brand-primary);
  margin-bottom: 1.5rem;
  animation: fadeUp 0.6s ease both;
}
.hero-eyebrow-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--brand-primary);
  animation: pulse 2s infinite;
}
.hero h1 {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: clamp(3rem, 7vw, 6rem);
  font-weight: 800;
  line-height: 1.0;
  letter-spacing: -0.01em;
  color: #fff;
  margin-bottom: 1.5rem;
  animation: fadeUp 0.6s 0.1s ease both;
}
.hero h1 span {
  color: var(--brand-primary);
  position: relative;
}
.hero-sub {
  font-size: 1.1rem;
  font-weight: 300;
  color: var(--brand-muted);
  max-width: 560px;
  line-height: 1.7;
  margin-bottom: 2.5rem;
  animation: fadeUp 0.6s 0.2s ease both;
}
.hero-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  animation: fadeUp 0.6s 0.3s ease both;
}
.btn-primary-brand {
  background: var(--brand-primary);
  color: #fff;
  border: none;
  padding: 0.85rem 2rem;
  border-radius: 8px;
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: 0.05em;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  transition: transform 0.2s, box-shadow 0.2s, opacity 0.2s;
  box-shadow: 0 4px 24px rgba(105,108,255,0.35);
}
.btn-primary-brand:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(105,108,255,0.5);
  color: #fff;
  opacity: 0.92;
}
.btn-ghost-brand {
  background: transparent;
  color: var(--brand-text);
  border: 1px solid var(--brand-border);
  padding: 0.85rem 2rem;
  border-radius: 8px;
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 600;
  font-size: 1rem;
  letter-spacing: 0.05em;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  transition: border-color 0.2s, color 0.2s, background 0.2s;
}
.btn-ghost-brand:hover {
  border-color: var(--brand-primary);
  color: var(--brand-primary);
  background: rgba(105,108,255,0.06);
}
.hero-stats {
  display: flex;
  gap: 3rem;
  margin-top: 4rem;
  padding-top: 2rem;
  border-top: 1px solid var(--brand-border);
  animation: fadeUp 0.6s 0.4s ease both;
  flex-wrap: wrap;
}
.hero-stat-value {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 2.2rem;
  font-weight: 800;
  color: #fff;
  line-height: 1;
}
.hero-stat-label {
  font-size: 0.8rem;
  color: var(--brand-muted);
  margin-top: 0.25rem;
  letter-spacing: 0.04em;
}

/* ── SECTION BASE ── */
.section {
  padding: 6rem 2rem;
  position: relative;
}
.section-inner {
  max-width: 1280px;
  margin: 0 auto;
}
.section-tag {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--brand-primary);
  margin-bottom: 0.75rem;
}
.section-heading {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 800;
  color: #fff;
  line-height: 1.1;
  margin-bottom: 1rem;
}
.section-sub {
  color: var(--brand-muted);
  font-size: 1rem;
  font-weight: 300;
  max-width: 560px;
  line-height: 1.7;
}

/* ── FEATURES ── */
.features-section {
  background: var(--brand-surface);
}
.features-section::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--brand-border), transparent);
}
.features-section::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--brand-border), transparent);
}
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-top: 3rem;
}
.feature-card {
  background: var(--brand-card);
  border: 1px solid var(--brand-border);
  border-radius: 12px;
  padding: 2rem;
  position: relative;
  overflow: hidden;
  transition: transform 0.25s, border-color 0.25s, box-shadow 0.25s;
}
.feature-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--brand-primary), transparent);
  opacity: 0;
  transition: opacity 0.25s;
}
.feature-card:hover {
  transform: translateY(-4px);
  border-color: rgba(105,108,255,0.4);
  box-shadow: 0 12px 40px rgba(0,0,0,0.3);
}
.feature-card:hover::before { opacity: 1; }
.feature-icon {
  width: 48px; height: 48px;
  border-radius: 10px;
  background: rgba(105,108,255,0.12);
  border: 1px solid var(--brand-border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  color: var(--brand-primary);
  margin-bottom: 1.25rem;
}
.feature-card h3 {
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: 0.02em;
  color: #fff;
  margin-bottom: 0.6rem;
}
.feature-card p {
  color: var(--brand-muted);
  font-size: 0.9rem;
  line-height: 1.65;
  font-weight: 300;
}

/* ── ABOUT ── */
.about-section { background: var(--brand-dark); }
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: center;
  margin-top: 3rem;
}
.about-visual {
  position: relative;
}
.about-img-wrap {
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid var(--brand-border);
  aspect-ratio: 4/3;
  background: var(--brand-card);
}
.about-img-wrap img {
  width: 100%; height: 100%;
  object-fit: cover;
  opacity: 0.75;
}
.about-badge {
  position: absolute;
  bottom: -1rem;
  right: -1rem;
  background: var(--brand-primary);
  color: #fff;
  border-radius: 10px;
  padding: 1rem 1.25rem;
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 800;
  font-size: 0.85rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  box-shadow: 0 8px 24px rgba(105,108,255,0.4);
}
.about-text p {
  color: var(--brand-muted);
  font-size: 1rem;
  line-height: 1.8;
  font-weight: 300;
  margin-bottom: 1rem;
}
.about-list {
  list-style: none;
  display: grid;
  gap: 0.6rem;
  margin-top: 1.5rem;
}
.about-list li {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--brand-text);
  font-size: 0.95rem;
}
.about-list li i {
  color: var(--brand-primary);
  font-size: 1rem;
}

/* ── SPONSOR ── */
.sponsor-section {
  background: var(--brand-surface);
}
.sponsor-section::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--brand-border), transparent);
}
.sponsor-card {
  background: var(--brand-card);
  border: 1px solid var(--brand-border);
  border-radius: 16px;
  padding: 2.5rem;
  display: flex;
  align-items: center;
  gap: 2rem;
  max-width: 640px;
  margin: 3rem auto 0;
  transition: border-color 0.25s;
}
.sponsor-card:hover { border-color: rgba(105,108,255,0.4); }
.sponsor-icon {
  width: 64px; height: 64px;
  border-radius: 14px;
  background: rgba(255,107,53,0.12);
  border: 1px solid rgba(255,107,53,0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  color: var(--brand-accent);
  flex-shrink: 0;
}
.sponsor-card h3 {
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 700;
  font-size: 1.1rem;
  color: #fff;
  margin-bottom: 0.4rem;
}
.sponsor-card p {
  color: var(--brand-muted);
  font-size: 0.875rem;
  line-height: 1.6;
  font-weight: 300;
}

/* ── CTA STRIP ── */
.cta-section {
  background: var(--brand-dark);
  padding: 5rem 2rem;
}
.cta-inner {
  max-width: 1280px;
  margin: 0 auto;
  background: linear-gradient(135deg, rgba(105,108,255,0.15), rgba(105,108,255,0.05));
  border: 1px solid var(--brand-border);
  border-radius: 20px;
  padding: 4rem 3rem;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-inner::before {
  content: '';
  position: absolute;
  top: -80px; left: 50%;
  transform: translateX(-50%);
  width: 400px; height: 200px;
  background: radial-gradient(ellipse, rgba(105,108,255,0.2) 0%, transparent 70%);
}
.cta-inner h2 {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  color: #fff;
  margin-bottom: 1rem;
  position: relative;
}
.cta-inner p {
  color: var(--brand-muted);
  font-size: 1rem;
  font-weight: 300;
  margin-bottom: 2rem;
  position: relative;
}

/* ── FOOTER ── */
footer {
  background: var(--brand-surface);
  border-top: 1px solid var(--brand-border);
  padding: 2rem;
  text-align: center;
  color: var(--brand-muted);
  font-size: 0.875rem;
}
footer a { color: var(--brand-primary); text-decoration: none; }

/* ── ANIMATIONS ── */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes pulse {
  0%, 100% { opacity: 1; box-shadow: 0 0 0 0 rgba(105,108,255,0.5); }
  50%       { opacity: 0.7; box-shadow: 0 0 0 6px rgba(105,108,255,0); }
}
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}
.reveal.visible {
  opacity: 1;
  transform: none;
}

/* ── MOBILE NAV ── */
.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--brand-border);
  border-radius: 6px;
  color: var(--brand-text);
  padding: 0.4rem 0.6rem;
  font-size: 1.1rem;
  cursor: pointer;
}

/* ── RESPONSIVE ── */
@media (max-width: 991.98px) {
  .feature-grid { grid-template-columns: 1fr 1fr; }
  .about-grid   { grid-template-columns: 1fr; gap: 2.5rem; }
  .nav-links    { display: none; }
  .nav-toggle   { display: block; }
}
@media (max-width: 575.98px) {
  .feature-grid { grid-template-columns: 1fr; }
  .hero-stats   { gap: 1.5rem; }
  .cta-inner    { padding: 2.5rem 1.5rem; }
  .sponsor-card { flex-direction: column; text-align: center; }
}