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

body {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: #f5f7fb;
  color: #111827;
  line-height: 1.6;
}

/* Colors */
:root {
  --blue-deep: #0a3d91;
  --blue-electric: #3ec7e8;
  --gold: #f2c94c;
  --dark: #0b1020;
  --light: #ffffff;
}

/* Ecosystem Ribbon */
.ecosystem-ribbon {
  background: linear-gradient(90deg, var(--dark), var(--blue-deep));
  color: var(--light);
  padding: 0.4rem 1.5rem;
  font-size: 0.85rem;
}

.ecosystem-inner {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
}

.ecosystem-label {
  font-weight: 600;
  color: var(--gold);
}

.ecosystem-item {
  border-left: 1px solid rgba(255, 255, 255, 0.2);
  padding-left: 0.75rem;
}

/* Navigation */
.main-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.9rem 1.5rem;
  background: var(--light);
  border-bottom: 1px solid #e5e7eb;
}

.nav-left {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.logo {
  height: 36px;
  width: auto;
}

.nav-title {
  font-weight: 700;
  color: var(--blue-deep);
}

.nav-right {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.nav-link {
  text-decoration: none;
  color: #4b5563;
  font-size: 0.95rem;
  padding: 0.35rem 0.6rem;
  border-radius: 999px;
  transition: background 0.2s, color 0.2s;
}

.nav-link:hover {
  background: #e5f2ff;
  color: var(--blue-deep);
}

.nav-link.active {
  background: var(--blue-deep);
  color: var(--light);
}

.nav-cta {
  background: var(--gold);
  color: var(--dark);
  font-weight: 600;
}

/* Hero */
.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
  gap: 2rem;
  padding: 2.5rem 1.5rem;
  max-width: 1100px;
  margin: 0 auto;
}

.hero-content {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.hero-tagline {
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--blue-deep);
}

.hero h1 {
  font-size: 2.1rem;
  color: var(--dark);
}

.hero-subtitle {
  font-size: 1rem;
  color: #4b5563;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 0.5rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.6rem 1.1rem;
  border-radius: 999px;
  font-size: 0.95rem;
  text-decoration: none;
  cursor: pointer;
  border: 1px solid transparent;
  transition: background 0.2s, color 0.2s, border-color 0.2s;
}

.btn-primary {
  background: var(--blue-deep);
  color: var(--light);
}

.btn-primary:hover {
  background: #082f6b;
}

.btn-secondary {
  background: var(--light);
  color: var(--blue-deep);
  border-color: #d1d5db;
}

.btn-secondary:hover {
  background: #f3f4f6;
}

.btn-outline {
  background: transparent;
  color: var(--blue-deep);
  border-color: var(--blue-deep);
}

.btn-outline:hover {
  background: #e5f2ff;
}

.hero-social {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: center;
  font-size: 0.9rem;
  margin-top: 0.75rem;
}

.social-link {
  text-decoration: none;
  color: var(--blue-deep);
  font-weight: 500;
}

/* Hero Visual */
.hero-visual {
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-image {
  max-width: 100%;
  border-radius: 1rem;
  box-shadow: 0 18px 40px rgba(15, 23, 42, 0.18);
}

/* Scenes */
.scene {
  padding: 2rem 1.5rem;
  max-width: 1100px;
  margin: 0 auto;
}

.scene-inner {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
  gap: 2rem;
  align-items: center;
}

.scene-text h2 {
  font-size: 1.6rem;
  color: var(--blue-deep);
  margin-bottom: 0.5rem;
}

.scene-text p {
  color: #4b5563;
  margin-bottom: 0.75rem;
}

.scene-list {
  list-style: disc;
  padding-left: 1.25rem;
  color: #4b5563;
}

.scene-image {
  max-width: 100%;
  border-radius: 1rem;
  box-shadow: 0 14px 30px rgba(15, 23, 42, 0.16);
}

/* Footer */
.site-footer {
  background: var(--dark);
  color: #e5e7eb;
  padding: 2rem 1.5rem 1rem;
  margin-top: 2rem;
}

.footer-top {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.5rem;
  max-width: 1100px;
  margin: 0 auto 1.5rem;
}

.footer-column h3 {
  color: var(--gold);
  margin-bottom: 0.5rem;
}

.footer-column p {
  font-size: 0.9rem;
  color: #d1d5db;
}

.footer-nav {
  list-style: none;
}

.footer-nav li {
  margin-bottom: 0.25rem;
}

.footer-nav a {
  text-decoration: none;
  color: #e5e7eb;
  font-size: 0.9rem;
}

.footer-nav a:hover {
  color: var(--blue-electric);
}

.footer-meta {
  font-size: 0.85rem;
  color: #9ca3af;
}

.footer-bottom {
  text-align: center;
  font-size: 0.85rem;
  color: #9ca3af;
}

/* Responsive */
@media (max-width: 900px) {
  .hero {
    grid-template-columns: 1fr;
  }
  .scene-inner {
    grid-template-columns: 1fr;
  }
  .footer-top {
    grid-template-columns: 1fr;
  }
}