/* === Reset & Base === */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; scroll-behavior: smooth; }
body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  color: #1a1a2e;
  background: #ffffff;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
a { color: #0ea5e9; text-decoration: none; transition: color 0.2s; }
a:hover { color: #0284c7; }
img { max-width: 100%; height: auto; }

/* === Layout === */
.container {
  max-width: 70rem;
  margin: 0 auto;
  padding: 0 2rem;
}

/* === Animations === */
@keyframes float {
  0%, 100% { transform: translateY(0) rotate(var(--rot, 0deg)); }
  50% { transform: translateY(-1.5rem) rotate(var(--rot, 0deg)); }
}
@keyframes shimmer {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(2rem); }
  to { opacity: 1; transform: translateY(0); }
}

/* === Header === */
.site-header {
  background: rgba(255,255,255,0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(0,0,0,0.06);
  padding: 0.875rem 0;
  position: sticky;
  top: 0;
  z-index: 100;
}
.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.logo {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  font-weight: 700;
  font-size: 1.2rem;
  color: #0f172a;
  letter-spacing: -0.01em;
}
.logo:hover { text-decoration: none; opacity: 0.8; }
.logo-icon { font-size: 1.6rem; }
.main-nav { display: flex; gap: 2.5rem; }
.main-nav a {
  color: #64748b;
  font-weight: 500;
  font-size: 0.925rem;
  transition: color 0.2s;
  position: relative;
}
.main-nav a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: #0ea5e9;
  transition: width 0.25s;
  border-radius: 1px;
}
.main-nav a:hover, .main-nav a.active { color: #0f172a; text-decoration: none; }
.main-nav a:hover::after, .main-nav a.active::after { width: 100%; }

/* === Hero === */
.hero {
  background: linear-gradient(160deg, #020617 0%, #0f172a 25%, #0c4a6e 60%, #164e63 100%);
  color: #fff;
  padding: 8rem 0 7rem;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 50% at 50% 0%, rgba(14,165,233,0.15), transparent),
    radial-gradient(ellipse 60% 40% at 80% 100%, rgba(6,182,212,0.1), transparent);
  pointer-events: none;
}
.hero-fish-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
}
.hero-fish {
  position: absolute;
  filter: brightness(0) invert(1);
  opacity: 0.05;
}
.fish-1 {
  width: 32rem;
  top: 5%;
  left: -6%;
  --rot: -8deg;
  animation: float 8s ease-in-out infinite;
}
.fish-2 {
  width: 24rem;
  bottom: 0%;
  right: -3%;
  --rot: 5deg;
  transform: scaleX(-1);
  animation: float 10s ease-in-out infinite 2s;
}
.fish-3 {
  width: 18rem;
  top: 55%;
  left: 12%;
  --rot: -3deg;
  opacity: 0.03;
  animation: float 12s ease-in-out infinite 4s;
}
.hero-content {
  position: relative;
  z-index: 2;
  animation: fadeInUp 0.8s ease-out;
}
.hero-badge {
  display: inline-block;
  padding: 0.4rem 1.2rem;
  background: rgba(14,165,233,0.15);
  border: 1px solid rgba(14,165,233,0.3);
  border-radius: 2rem;
  font-size: 0.8rem;
  font-weight: 600;
  color: #7dd3fc;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  margin-bottom: 1.5rem;
}
.hero h1 {
  font-size: 4rem;
  font-weight: 800;
  margin-bottom: 1.25rem;
  line-height: 1.1;
  letter-spacing: -0.03em;
  background: linear-gradient(135deg, #fff 0%, #e0f2fe 50%, #7dd3fc 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-subtitle {
  font-size: 1.2rem;
  color: #94a3b8;
  max-width: 38rem;
  margin: 0 auto 3rem;
  line-height: 1.7;
}
.hero-cta { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; }
.hero-stats {
  display: flex;
  justify-content: center;
  gap: 3.5rem;
  margin-top: 4rem;
  padding-top: 3rem;
  border-top: 1px solid rgba(255,255,255,0.08);
}
.hero-stat { text-align: center; }
.hero-stat-number {
  display: block;
  font-size: 2.5rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  background: linear-gradient(135deg, #0ea5e9, #06b6d4);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-stat-label {
  font-size: 0.8rem;
  color: #64748b;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 500;
  margin-top: 0.25rem;
}

/* === Buttons === */
.btn {
  display: inline-flex;
  align-items: center;
  padding: 1rem 2.25rem;
  border-radius: 0.75rem;
  font-weight: 600;
  font-size: 1rem;
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  cursor: pointer;
}
.btn:hover { text-decoration: none; transform: translateY(-2px); }
.btn-primary {
  background: linear-gradient(135deg, #0ea5e9, #0284c7);
  color: #fff;
  box-shadow: 0 4px 16px rgba(14, 165, 233, 0.4), 0 0 0 0 rgba(14,165,233,0);
}
.btn-primary:hover {
  box-shadow: 0 8px 28px rgba(14, 165, 233, 0.5), 0 0 0 4px rgba(14,165,233,0.1);
}
.btn-secondary {
  background: rgba(255,255,255,0.06);
  color: #e2e8f0;
  border: 1px solid rgba(255,255,255,0.15);
  backdrop-filter: blur(8px);
}
.btn-secondary:hover {
  background: rgba(255,255,255,0.12);
  border-color: rgba(255,255,255,0.3);
  color: #fff;
}

/* === Species Showcase === */
.species-showcase {
  padding: 6rem 0;
  background: #f8fafc;
  position: relative;
}
.species-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 1.25rem;
  margin-top: 3rem;
}
.species-card {
  background: #fff;
  border: 1px solid #e2e8f0;
  border-radius: 1.25rem;
  padding: 1.75rem 1rem;
  text-align: center;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
}
.species-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, #0ea5e9, #06b6d4);
  opacity: 0;
  transition: opacity 0.3s;
}
.species-card:hover {
  box-shadow: 0 12px 32px rgba(0,0,0,0.1);
  transform: translateY(-4px);
  border-color: transparent;
}
.species-card:hover::before { opacity: 1; }
.species-svg {
  height: 5.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1rem;
}
.species-svg img {
  max-height: 100%;
  max-width: 100%;
  filter: brightness(0) saturate(100%) invert(18%) sepia(30%) saturate(1000%) hue-rotate(180deg);
  transition: filter 0.3s;
}
.species-card:hover .species-svg img {
  filter: brightness(0) saturate(100%) invert(50%) sepia(90%) saturate(500%) hue-rotate(170deg);
}
.species-name {
  font-weight: 600;
  font-size: 0.875rem;
  color: #334155;
}
.species-more {
  text-align: center;
  margin-top: 2.5rem;
  color: #64748b;
  font-weight: 600;
  font-size: 1.1rem;
}

/* === Section Titles === */
.section-title {
  text-align: center;
  font-size: 2.25rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 0.75rem;
  color: #0f172a;
}
.section-subtitle {
  text-align: center;
  color: #64748b;
  font-size: 1.1rem;
  margin-bottom: 1rem;
  max-width: 36rem;
  margin-left: auto;
  margin-right: auto;
}

/* === Features === */
.features {
  padding: 6rem 0;
  background: #fff;
}
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-top: 3.5rem;
}
.feature-card {
  background: #f8fafc;
  border: 1px solid #e2e8f0;
  border-radius: 1rem;
  padding: 2.25rem;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
}
.feature-card:hover {
  background: #fff;
  box-shadow: 0 8px 24px rgba(0,0,0,0.06);
  transform: translateY(-2px);
}
.feature-icon {
  font-size: 2.25rem;
  margin-bottom: 1.25rem;
  width: 3.5rem;
  height: 3.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #e0f2fe, #f0f9ff);
  border-radius: 0.875rem;
}
.feature-card h3 {
  font-size: 1.15rem;
  margin-bottom: 0.5rem;
  font-weight: 700;
  color: #0f172a;
}
.feature-card p {
  color: #64748b;
  font-size: 0.925rem;
  line-height: 1.65;
}

/* === How It Works === */
.how-it-works {
  padding: 6rem 0;
  background: linear-gradient(180deg, #f8fafc, #f1f5f9);
}
.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  margin-top: 3.5rem;
  position: relative;
}
.steps-grid::before {
  content: '';
  position: absolute;
  top: 2rem;
  left: 15%;
  right: 15%;
  height: 2px;
  background: linear-gradient(90deg, transparent, #cbd5e1, transparent);
}
.step {
  text-align: center;
  padding: 2rem 1.5rem;
  background: #fff;
  border-radius: 1.25rem;
  border: 1px solid #e2e8f0;
  position: relative;
}
.step-number {
  width: 3.75rem;
  height: 3.75rem;
  background: linear-gradient(135deg, #0ea5e9, #0c4a6e);
  color: #fff;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  font-weight: 800;
  margin-bottom: 1.5rem;
  box-shadow: 0 4px 14px rgba(14,165,233,0.3);
  position: relative;
  z-index: 1;
}
.step h3 {
  font-size: 1.15rem;
  margin-bottom: 0.625rem;
  font-weight: 700;
  color: #0f172a;
}
.step p { color: #64748b; font-size: 0.925rem; }

/* === Blog Preview === */
.blog-preview {
  padding: 5rem 0;
  background: #fff;
  text-align: center;
}
.coming-soon-badge {
  display: inline-block;
  margin-top: 1.5rem;
  padding: 0.625rem 1.75rem;
  background: linear-gradient(135deg, #fef3c7, #fde68a);
  color: #92400e;
  border-radius: 2rem;
  font-weight: 700;
  font-size: 0.85rem;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  box-shadow: 0 2px 8px rgba(251,191,36,0.2);
}

/* === Page Content === */
.page-content {
  padding: 4rem 0 5rem;
  max-width: 48rem;
  margin: 0 auto;
}
.page-content .container { max-width: 48rem; }
.page-content h1 {
  font-size: 2.5rem;
  font-weight: 800;
  margin-bottom: 2rem;
  padding-bottom: 1.25rem;
  border-bottom: 3px solid #0ea5e9;
  letter-spacing: -0.02em;
  color: #0f172a;
}
.page-content h2 {
  font-size: 1.4rem;
  margin: 2.5rem 0 1rem;
  color: #0c4a6e;
  font-weight: 700;
}
.page-content h3 {
  font-size: 1.15rem;
  margin: 1.75rem 0 0.625rem;
  color: #334155;
}
.page-content p {
  margin-bottom: 1rem;
  color: #475569;
  line-height: 1.75;
}
.page-content ul, .page-content ol {
  margin: 1rem 0;
  padding-left: 1.5rem;
}
.page-content li {
  margin-bottom: 0.625rem;
  color: #475569;
  line-height: 1.65;
}
.page-content a { color: #0ea5e9; font-weight: 500; }
.page-content a:hover { color: #0284c7; text-decoration: underline; }
.page-content strong { color: #0f172a; }

/* === Blog === */
.post-card {
  background: #fff;
  border: 1px solid #e2e8f0;
  border-radius: 1rem;
  padding: 2rem;
  margin-bottom: 1.5rem;
  transition: all 0.2s;
}
.post-card:hover { box-shadow: 0 4px 12px rgba(0,0,0,0.06); }
.post-card h2 { margin: 0 0 0.5rem; font-size: 1.5rem; }
.post-card h2 a { color: #0f172a; }
.post-card h2 a:hover { color: #0ea5e9; }
.post-card time { color: #94a3b8; font-size: 0.85rem; font-weight: 500; }
.post-card p { margin-top: 0.75rem; color: #64748b; }

/* === Support Page === */
.support-contact {
  background: linear-gradient(135deg, #f0f9ff, #e0f2fe);
  border: 1px solid #bae6fd;
  border-radius: 1rem;
  padding: 2.5rem;
  margin: 2rem 0;
}
.support-contact a {
  font-weight: 700;
  font-size: 1.2rem;
  color: #0284c7;
}

/* === Footer === */
.site-footer {
  background: #020617;
  color: #94a3b8;
  padding: 4rem 0 2rem;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 2.5rem;
}
.footer-brand {
  font-size: 1.15rem;
  color: #fff;
  font-weight: 700;
}
.footer-brand p {
  font-size: 0.875rem;
  color: #64748b;
  font-weight: 400;
  margin-top: 0.75rem;
  line-height: 1.6;
}
.footer-links h4 {
  color: #e2e8f0;
  margin-bottom: 1rem;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 600;
}
.footer-links a {
  display: block;
  color: #64748b;
  margin-bottom: 0.625rem;
  font-size: 0.875rem;
  transition: color 0.2s;
}
.footer-links a:hover { color: #0ea5e9; text-decoration: none; }
.footer-bottom {
  border-top: 1px solid #1e293b;
  padding-top: 2rem;
  font-size: 0.8rem;
  color: #475569;
}

/* === Responsive === */
@media (max-width: 1024px) {
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .species-grid { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 768px) {
  .hero { padding: 5rem 0 4rem; }
  .hero h1 { font-size: 2.5rem; }
  .hero-subtitle { font-size: 1.05rem; }
  .hero-stats { gap: 2rem; flex-wrap: wrap; }
  .hero-stat-number { font-size: 2rem; }
  .fish-1 { width: 18rem; }
  .fish-2 { width: 14rem; }
  .fish-3 { display: none; }
  .footer-grid { grid-template-columns: 1fr; gap: 2rem; }
  .main-nav { gap: 1.25rem; font-size: 0.875rem; }
  .features-grid { grid-template-columns: 1fr; }
  .species-grid { grid-template-columns: repeat(2, 1fr); }
  .steps-grid { grid-template-columns: 1fr; }
  .steps-grid::before { display: none; }
  .section-title { font-size: 1.75rem; }
  .container { padding: 0 1.25rem; }
}