/* ── Reset & Base ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg-dark:    #0a0e1a;
  --bg-mid:     #0d1527;
  --accent:     #00c8ff;
  --accent2:    #0057ff;
  --text:       #e0eaf5;
  --text-muted: #7a9ab8;
  --radius:     12px;
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Segoe UI', system-ui, sans-serif;
  background: var(--bg-dark);
  color: var(--text);
  line-height: 1.6;
}

a { text-decoration: none; color: inherit; }

.container { max-width: 1100px; margin: 0 auto; padding: 0 24px; }

/* ── Navbar ── */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(10, 14, 26, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(0, 200, 255, 0.1);
}

.nav-container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo-text { font-size: 1.4rem; font-weight: 700; letter-spacing: -0.5px; }
.logo-accent { color: var(--accent); }

.nav-links {
  display: flex;
  gap: 32px;
  list-style: none;
}

.nav-links a {
  font-size: 0.95rem;
  color: var(--text-muted);
  transition: color 0.2s;
}

.nav-links a:hover { color: var(--accent); }

/* ── Hero ── */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  background:
    radial-gradient(ellipse at 50% 60%, rgba(0, 87, 255, 0.25) 0%, transparent 70%),
    linear-gradient(180deg, #020510 0%, #061228 50%, #0a1e3d 100%);
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    repeating-linear-gradient(
      0deg,
      transparent,
      transparent 60px,
      rgba(0, 200, 255, 0.03) 60px,
      rgba(0, 200, 255, 0.03) 61px
    );
}

.hero-content {
  position: relative;
  z-index: 2;
  padding: 0 24px;
}

.hero-title {
  font-size: clamp(2.4rem, 6vw, 4.5rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -1px;
  margin-bottom: 20px;
}

.accent { color: var(--accent); }

.hero-subtitle {
  font-size: 1.3rem;
  color: var(--text-muted);
  margin-bottom: 40px;
  font-style: italic;
  letter-spacing: 2px;
}

.btn-primary {
  display: inline-block;
  padding: 14px 36px;
  background: linear-gradient(135deg, var(--accent2), var(--accent));
  color: #fff;
  border: none;
  border-radius: 50px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.2s, box-shadow 0.2s;
  box-shadow: 0 0 30px rgba(0, 200, 255, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 50px rgba(0, 200, 255, 0.5);
}

.wave-divider {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 80px;
}

.wave-divider svg { width: 100%; height: 100%; display: block; }

/* ── Sections ── */
section { padding: 100px 0; }

.section-label {
  text-transform: uppercase;
  letter-spacing: 3px;
  font-size: 0.78rem;
  color: var(--accent);
  margin-bottom: 12px;
  font-weight: 600;
}

h2 {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 700;
  margin-bottom: 24px;
  letter-spacing: -0.5px;
}

/* ── Mission ── */
.mission { background: var(--bg-dark); text-align: center; }

.mission-text {
  max-width: 680px;
  margin: 0 auto 60px;
  color: var(--text-muted);
  font-size: 1.1rem;
}

.mission-stats {
  display: flex;
  justify-content: center;
  gap: 64px;
  flex-wrap: wrap;
}

.stat { display: flex; flex-direction: column; align-items: center; }

.stat-number {
  font-size: 3rem;
  font-weight: 800;
  color: var(--accent);
  line-height: 1;
}

.stat-label {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-top: 6px;
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* ── About ── */
.about { background: var(--bg-mid); }

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.about-text p {
  color: var(--text-muted);
  margin-bottom: 16px;
  font-size: 1.05rem;
}

.about-visual {
  display: flex;
  justify-content: center;
}

.ocean-icon svg {
  width: 260px;
  height: 260px;
  filter: drop-shadow(0 0 30px rgba(0, 200, 255, 0.3));
  animation: pulse 4s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { filter: drop-shadow(0 0 20px rgba(0, 200, 255, 0.2)); }
  50%       { filter: drop-shadow(0 0 50px rgba(0, 200, 255, 0.5)); }
}

/* ── Solutions ── */
.solutions { background: var(--bg-dark); text-align: center; }

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 28px;
  margin-top: 48px;
}

.card {
  background: var(--bg-mid);
  border: 1px solid rgba(0, 200, 255, 0.12);
  border-radius: var(--radius);
  padding: 36px 28px;
  transition: transform 0.2s, border-color 0.2s, box-shadow 0.2s;
}

.card:hover {
  transform: translateY(-6px);
  border-color: var(--accent);
  box-shadow: 0 12px 40px rgba(0, 200, 255, 0.15);
}

.card-icon { font-size: 2.5rem; margin-bottom: 16px; }

.card h3 {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--text);
}

.card p { color: var(--text-muted); font-size: 0.95rem; }

/* ── Contact ── */
.contact { background: var(--bg-mid); text-align: center; }

.contact-sub {
  color: var(--text-muted);
  margin-bottom: 40px;
  font-size: 1.05rem;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
  max-width: 540px;
  margin: 0 auto;
}

.contact-form input,
.contact-form textarea {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(0, 200, 255, 0.15);
  border-radius: var(--radius);
  padding: 14px 18px;
  color: var(--text);
  font-size: 1rem;
  font-family: inherit;
  transition: border-color 0.2s;
  resize: vertical;
}

.contact-form input:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: var(--accent);
}

.contact-form input::placeholder,
.contact-form textarea::placeholder { color: var(--text-muted); }

/* ── Footer ── */
.footer {
  background: #050810;
  border-top: 1px solid rgba(0, 200, 255, 0.08);
  padding: 48px 24px;
  text-align: center;
}

.footer-logo {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.footer-mission {
  color: var(--accent);
  font-style: italic;
  letter-spacing: 2px;
  margin-bottom: 16px;
  font-size: 0.95rem;
}

.footer-copy { color: var(--text-muted); font-size: 0.85rem; }

/* ── Responsive ── */
@media (max-width: 768px) {
  .nav-links { display: none; }

  .about-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .about-visual { order: -1; }

  .mission-stats { gap: 36px; }
}