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

:root {
  --ocean-deep:   #0a2540;
  --ocean-mid:    #103a5e;
  --ocean-light:  #1a5276;
  --coral:        #e8632a;
  --coral-light:  #f0854d;
  --sand:         #fdf6ec;
  --text:         #1a1a2e;
  --text-muted:   #5a6a7a;
  --white:        #ffffff;
  --radius:       12px;
  --shadow:       0 4px 24px rgba(0,0,0,0.10);
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', sans-serif;
  color: var(--text);
  background: var(--white);
  line-height: 1.6;
}

h1, h2, h3 { font-family: 'Merriweather', serif; line-height: 1.25; }

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

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.section { padding: 5rem 0; }

.section-title {
  font-size: 2rem;
  margin-bottom: 2.5rem;
  text-align: center;
  color: var(--ocean-deep);
}

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

/* ── Buttons ── */
.btn {
  display: inline-block;
  padding: 0.75rem 1.75rem;
  border-radius: 50px;
  font-weight: 600;
  font-size: 0.95rem;
  transition: transform 0.15s, box-shadow 0.15s, background 0.15s;
  cursor: pointer;
  border: 2px solid transparent;
}
.btn:hover { transform: translateY(-2px); box-shadow: 0 6px 20px rgba(0,0,0,0.15); }

.btn-primary {
  background: var(--coral);
  color: var(--white);
  border-color: var(--coral);
}
.btn-primary:hover { background: var(--coral-light); border-color: var(--coral-light); }

.btn-secondary {
  background: rgba(255,255,255,0.15);
  color: var(--white);
  border-color: rgba(255,255,255,0.5);
  backdrop-filter: blur(4px);
}
.btn-secondary:hover { background: rgba(255,255,255,0.25); }

.btn-outline {
  border-color: var(--ocean-deep);
  color: var(--ocean-deep);
}
.btn-outline:hover { background: var(--ocean-deep); color: var(--white); }

/* ── Header / Nav ── */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(10, 37, 64, 0.97);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.logo {
  font-family: 'Merriweather', serif;
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--white);
  letter-spacing: -0.3px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
  list-style: none;
}

.nav-links a {
  color: rgba(255,255,255,0.85);
  font-size: 0.9rem;
  font-weight: 500;
  transition: color 0.15s;
}
.nav-links a:hover { color: var(--white); }

.nav-toggle { display: none; background: none; border: none; color: white; font-size: 1.5rem; cursor: pointer; }

/* ── Hero ── */
.hero {
  background: linear-gradient(145deg, var(--ocean-deep) 0%, var(--ocean-mid) 50%, #0e4d6e 100%);
  color: var(--white);
  padding: 7rem 0 6rem;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.hero-inner { position: relative; }

.hero-crab { font-size: 4rem; display: block; margin-bottom: 1rem; animation: bob 3s ease-in-out infinite; }

@keyframes bob {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(-10px); }
}

.hero h1 { font-size: clamp(2rem, 5vw, 3.2rem); margin-bottom: 1.25rem; }

.hero-sub {
  max-width: 600px;
  margin: 0 auto 2.5rem;
  font-size: 1.1rem;
  color: rgba(255,255,255,0.8);
}

.hero-cta { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; }

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

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.about-text h2 { font-size: 1.9rem; color: var(--ocean-deep); margin-bottom: 1rem; }
.about-text p  { color: var(--text-muted); margin-bottom: 1rem; font-size: 1.05rem; }
.about-text strong { color: var(--ocean-deep); }

.about-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.stat-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  box-shadow: var(--shadow);
  transition: transform 0.2s;
}
.stat-card:hover { transform: translateY(-4px); }

.stat-num   { font-size: 2rem; }
.stat-label { font-size: 0.85rem; font-weight: 600; color: var(--ocean-deep); text-align: center; }

/* ── Blog ── */
.blog { background: var(--white); }

.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.75rem;
}

.blog-card {
  background: var(--sand);
  border-radius: var(--radius);
  padding: 1.75rem;
  border: 1px solid rgba(0,0,0,0.07);
  transition: transform 0.2s, box-shadow 0.2s;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}
.blog-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }

.blog-tag {
  display: inline-block;
  background: var(--ocean-deep);
  color: var(--white);
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  padding: 0.25rem 0.75rem;
  border-radius: 50px;
  width: fit-content;
}

.blog-card h3 { font-size: 1.05rem; color: var(--ocean-deep); }
.blog-card h3 a:hover { color: var(--coral); }
.blog-card p  { font-size: 0.9rem; color: var(--text-muted); flex: 1; }
.blog-date    { font-size: 0.8rem; color: var(--text-muted); font-weight: 500; }

/* ── YouTube ── */
.youtube {
  background: linear-gradient(135deg, var(--ocean-deep), var(--ocean-light));
  color: var(--white);
}

.youtube-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.youtube-text h2 { font-size: 1.9rem; margin-bottom: 1rem; }
.youtube-text p  { color: rgba(255,255,255,0.8); margin-bottom: 2rem; font-size: 1.05rem; }

.yt-placeholder {
  background: rgba(255,255,255,0.1);
  border: 2px dashed rgba(255,255,255,0.3);
  border-radius: var(--radius);
  padding: 3rem 2rem;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
}

.yt-icon  { font-size: 3rem; color: var(--coral); }
.yt-placeholder p     { font-weight: 600; font-size: 1.05rem; }
.yt-placeholder small { color: rgba(255,255,255,0.6); }

/* ── Footer ── */
.site-footer {
  background: var(--ocean-deep);
  color: rgba(255,255,255,0.7);
  padding: 2.5rem 0;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-logo { font-family: 'Merriweather', serif; font-weight: 700; color: var(--white); font-size: 1rem; }
.footer-copy { font-size: 0.8rem; }

.footer-links { display: flex; gap: 1.5rem; }
.footer-links a { font-size: 0.85rem; transition: color 0.15s; }
.footer-links a:hover { color: var(--white); }

/* ── Responsive ── */
@media (max-width: 768px) {
  .nav-links { display: none; flex-direction: column; position: absolute; top: 64px; left: 0; right: 0; background: var(--ocean-deep); padding: 1.5rem; gap: 1.25rem; }
  .nav-links.open { display: flex; }
  .nav-toggle { display: block; }

  .about-grid,
  .blog-grid,
  .youtube-inner { grid-template-columns: 1fr; gap: 2rem; }

  .about-stats { grid-template-columns: 1fr 1fr; }

  .footer-inner { flex-direction: column; text-align: center; }
  .footer-links { justify-content: center; }

  .hero { padding: 5rem 0 4rem; }
  .section { padding: 3.5rem 0; }
}