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

html {
  scroll-behavior: smooth;
}

body {
  font-family: "Inter", Arial, sans-serif;
  background: #f7f7f7;
  color: #222;
  line-height: 1.6;
}

/* --------------------------------------------------
   COLORS & BRAND
-------------------------------------------------- */
:root {
  --brand-dark: #0d0d0d;
  --brand-light: #ffffff;
  --brand-accent: #0077ff;
  --brand-accent-dark: #0057c2;
  --brand-gray: #e5e5e5;
  --brand-soft: #fafafa;
  --brand-card: #ffffff;
  --brand-shadow: rgba(0,0,0,0.08);
}

/* --------------------------------------------------
   HERO SECTION
-------------------------------------------------- */
.hero {
  background: linear-gradient(135deg, #0d0d0d, #1a1a1a);
  color: var(--brand-light);
  padding: 80px 20px;
  text-align: center;
}

.hero h1 {
  font-size: 3rem;
  font-weight: 800;
  letter-spacing: -1px;
}

.hero h2 {
  font-size: 1.6rem;
  margin-top: 10px;
  font-weight: 500;
  opacity: 0.9;
}

.hero-tagline {
  max-width: 700px;
  margin: 20px auto;
  font-size: 1.1rem;
  opacity: 0.85;
}

.hero-buttons {
  margin-top: 30px;
  display: flex;
  justify-content: center;
  gap: 20px;
}

.btn-primary,
.btn-secondary {
  padding: 14px 28px;
  border-radius: 8px;
  font-size: 1rem;
  font-weight: 600;
  text-decoration: none;
  transition: 0.25s ease;
}

.btn-primary {
  background: var(--brand-accent);
  color: var(--brand-light);
}

.btn-primary:hover {
  background: var(--brand-accent-dark);
}

.btn-secondary {
  background: transparent;
  border: 2px solid var(--brand-light);
  color: var(--brand-light);
}

.btn-secondary:hover {
  background: var(--brand-light);
  color: var(--brand-dark);
}

/* --------------------------------------------------
   AUDIENCE GRID
-------------------------------------------------- */
.audience-grid {
  padding: 60px 20px;
  text-align: center;
}

.audience-grid h2 {
  font-size: 2rem;
  margin-bottom: 30px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 25px;
  max-width: 1200px;
  margin: 0 auto;
}

.card {
  background: var(--brand-card);
  padding: 25px;
  border-radius: 12px;
  box-shadow: 0 4px 12px var(--brand-shadow);
  text-align: left;
  transition: 0.25s ease;
}

.card:hover {
  transform: translateY(-6px);
  box-shadow: 0 8px 20px var(--brand-shadow);
}

.card h3 {
  font-size: 1.4rem;
  margin-bottom: 10px;
  font-weight: 700;
}

.card p {
  margin-bottom: 10px;
  font-size: 0.95rem;
}

/* --------------------------------------------------
   FEATURE LIST
-------------------------------------------------- */
.features {
  padding: 60px 20px;
  background: var(--brand-soft);
  text-align: center;
}

.features h2 {
  font-size: 2rem;
  margin-bottom: 20px;
}

.feature-list {
  max-width: 900px;
  margin: 0 auto;
  text-align: left;
  font-size: 1rem;
  line-height: 1.8;
}

/* --------------------------------------------------
   STORM HUB
-------------------------------------------------- */
.storm-hub {
  padding: 60px 20px;
  text-align: center;
}

.storm-hub h2 {
  font-size: 2rem;
  margin-bottom: 10px;
}

.storm-links {
  margin-top: 20px;
  display: flex;
  flex-wrap: wrap;
  gap: 15px;
  justify-content: center;
}

.storm-links p {
  background: var(--brand-card);
  padding: 12px 20px;
  border-radius: 8px;
  box-shadow: 0 4px 12px var(--brand-shadow);
  font-size: 1rem;
  transition: 0.25s ease;
}

.storm-links p:hover {
  transform: translateY(-4px);
}

/* --------------------------------------------------
   ECOSYSTEM LINKS
-------------------------------------------------- */
.ecosystem {
  padding: 60px 20px;
  background: var(--brand-soft);
  text-align: center;
}

.ecosystem h2 {
  font-size: 2rem;
  margin-bottom: 10px;
}

.ecosystem-links {
  margin-top: 20px;
  display: flex;
  flex-wrap: wrap;
  gap: 15px;
  justify-content: center;
}

.ecosystem-links li {
  list-style: none;
  background: var(--brand-card);
  padding: 12px 20px;
  border-radius: 8px;
  box-shadow: 0 4px 12px var(--brand-shadow);
  font-size: 1rem;
  transition: 0.25s ease;
}

.ecosystem-links li:hover {
  transform: translateY(-4px);
}

/* --------------------------------------------------
   FOOTER
-------------------------------------------------- */
.footer {
  background: var(--brand-dark);
  color: var(--brand-light);
  padding: 40px 20px;
  text-align: center;
  font-size: 0.9rem;
}

.footer a {
  color: var(--brand-accent);
  text-decoration: none;
}

.footer a:hover {
  text-decoration: underline;
}

/* --------------------------------------------------
   RESPONSIVE
-------------------------------------------------- */
@media (max-width: 600px) {
  .hero h1 {
    font-size: 2.4rem;
  }
  .hero h2 {
    font-size: 1.3rem;
  }
  .hero-buttons {
    flex-direction: column;
  }
}