@import url('https://fonts.googleapis.com/css2?family=Oswald:wght@400;500;600;700&family=Inter:wght@300;400;500;600;700&display=swap');

:root {
  --bg-primary: #0a0a0a;
  --bg-secondary: #111111;
  --bg-card: #1a1a1a;
  --bg-card-hover: #222222;
  --border-color: #2a2a2a;
  --border-light: #333333;

  --red-primary: #e63946;
  --red-dark: #c1121f;
  --red-glow: rgba(230, 57, 70, 0.3);

  --gold-primary: #d4a017;
  --gold-light: #f0c040;
  --gold-glow: rgba(212, 160, 23, 0.3);

  --text-primary: #f0f0f0;
  --text-secondary: #a0a0a0;
  --text-muted: #666666;

  --font-heading: 'Oswald', sans-serif;
  --font-body: 'Inter', sans-serif;

  --nav-height: 70px;
  --max-width: 1200px;
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
}

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* Scrollbar */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--bg-primary); }
::-webkit-scrollbar-thumb { background: #333; border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: #555; }

/* Navigation */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--nav-height);
  background: rgba(10, 10, 10, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-color);
  z-index: 1000;
  transition: transform 0.3s ease, background 0.3s ease;
}

.nav.hidden { transform: translateY(-100%); }

.nav-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  font-family: var(--font-heading);
  font-size: 1.6rem;
  font-weight: 700;
  text-decoration: none;
  color: var(--text-primary);
  letter-spacing: 2px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.nav-logo span { color: var(--red-primary); }

.nav-links {
  display: flex;
  gap: 4px;
  list-style: none;
}

.nav-links a {
  color: var(--text-secondary);
  text-decoration: none;
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  font-weight: 500;
  transition: all 0.2s ease;
  position: relative;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--text-primary);
  background: rgba(255,255,255,0.05);
}

.nav-links a.active::after {
  content: '';
  position: absolute;
  bottom: 2px; left: 50%;
  transform: translateX(-50%);
  width: 20px;
  height: 2px;
  background: var(--red-primary);
  border-radius: 2px;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 4px;
}

.nav-toggle span {
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: all 0.3s ease;
}

/* Hero Section */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  padding: 120px 24px 80px;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(135deg, rgba(10,10,10,0.85) 0%, rgba(10,10,10,0.6) 50%, rgba(10,10,10,0.85) 100%),
    url('https://images.unsplash.com/photo-1549719386-74dfcbf7dbed?w=1920&q=80') center/cover no-repeat;
  z-index: 0;
}

.hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at center, transparent 0%, var(--bg-primary) 100%);
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 2px,
    rgba(255,255,255,0.015) 2px,
    rgba(255,255,255,0.015) 4px
  );
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 800px;
}

.hero-badge {
  display: inline-block;
  padding: 6px 20px;
  border: 1px solid var(--red-primary);
  border-radius: 50px;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--red-primary);
  margin-bottom: 24px;
  animation: fadeInUp 0.8s ease forwards;
}

.hero-title {
  font-family: var(--font-heading);
  font-size: clamp(3rem, 8vw, 6rem);
  font-weight: 700;
  line-height: 1.05;
  margin-bottom: 20px;
  letter-spacing: -1px;
  animation: fadeInUp 0.8s ease 0.1s forwards;
  opacity: 0;
}

.hero-title .highlight { color: var(--red-primary); }
.hero-title .gold { color: var(--gold-primary); }

.hero-sub {
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: var(--text-secondary);
  margin-bottom: 40px;
  line-height: 1.8;
  animation: fadeInUp 0.8s ease 0.2s forwards;
  opacity: 0;
}

.hero-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  animation: fadeInUp 0.8s ease 0.3s forwards;
  opacity: 0;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  border: none;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: var(--red-primary);
  color: #fff;
}

.btn-primary:hover {
  background: var(--red-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 30px var(--red-glow);
}

.btn-secondary {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border-light);
}

.btn-secondary:hover {
  border-color: var(--text-primary);
  background: rgba(255,255,255,0.05);
  transform: translateY(-2px);
}

.btn-gold {
  background: var(--gold-primary);
  color: #0a0a0a;
}

.btn-gold:hover {
  background: var(--gold-light);
  transform: translateY(-2px);
  box-shadow: 0 8px 30px var(--gold-glow);
}

/* Section */
.section {
  padding: 100px 24px;
  max-width: var(--max-width);
  margin: 0 auto;
}

.section-header {
  text-align: center;
  margin-bottom: 60px;
}

.section-label {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 4px;
  text-transform: uppercase;
  color: var(--red-primary);
  margin-bottom: 12px;
}

.section-title {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  margin-bottom: 16px;
}

.section-desc {
  color: var(--text-secondary);
  font-size: 1.05rem;
  max-width: 600px;
  margin: 0 auto;
}

/* Base Disciplines Grid */
.disciplines-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.discipline-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 40px 24px;
  text-align: center;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.discipline-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--red-primary);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s ease;
}

.discipline-card:hover::before { transform: scaleX(1); }

.discipline-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-light);
  transform: translateY(-4px);
}

.discipline-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 20px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  border: 2px solid var(--border-color);
  transition: all 0.3s ease;
}

.discipline-card:hover .discipline-icon {
  border-color: var(--red-primary);
  background: var(--red-glow);
}

.discipline-name {
  font-family: var(--font-heading);
  font-size: 1.3rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.discipline-sub {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 12px;
}

.discipline-desc {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* Organization Cards */
.org-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 24px;
}

.org-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 36px 28px;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.org-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-light);
  transform: translateY(-4px);
}

.org-card .org-color-bar {
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
}

.org-name {
  font-family: var(--font-heading);
  font-size: 1.6rem;
  font-weight: 600;
  margin-bottom: 4px;
}

.org-region {
  font-size: 0.8rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 16px;
}

.org-desc {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 16px;
}

.org-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.org-tag {
  padding: 4px 12px;
  background: rgba(255,255,255,0.05);
  border-radius: 50px;
  font-size: 0.75rem;
  color: var(--text-secondary);
}

/* Weight Classes */
.weight-table-wrapper {
  overflow-x: auto;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
}

.weight-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

.weight-table thead {
  background: #151515;
}

.weight-table th {
  padding: 16px 20px;
  text-align: left;
  font-family: var(--font-heading);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--text-secondary);
  border-bottom: 1px solid var(--border-color);
}

.weight-table td {
  padding: 14px 20px;
  border-bottom: 1px solid var(--border-color);
  color: var(--text-secondary);
}

.weight-table tbody tr:hover {
  background: rgba(255,255,255,0.02);
}

.weight-table .weight-class {
  color: var(--text-primary);
  font-weight: 600;
}

.weight-table .weight-limit {
  font-family: var(--font-heading);
  color: var(--gold-primary);
  font-size: 1rem;
}

.weight-category-label {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  font-weight: 600;
  color: var(--red-primary);
  margin: 48px 0 20px;
  padding-bottom: 8px;
  border-bottom: 2px solid var(--border-color);
}

.weight-category-label:first-of-type { margin-top: 0; }

/* Rules page */
.rules-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 24px;
}

.rule-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 32px 28px;
  transition: all 0.3s ease;
}

.rule-card:hover {
  border-color: var(--border-light);
  background: var(--bg-card-hover);
}

.rule-number {
  font-family: var(--font-heading);
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--red-primary);
  opacity: 0.3;
  line-height: 1;
  margin-bottom: 8px;
}

.rule-title {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: 10px;
}

.rule-text {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.8;
}

.rule-highlight {
  background: var(--bg-card);
  border: 1px solid var(--red-primary);
  border-radius: var(--radius-md);
  padding: 32px 28px;
  margin-top: 40px;
}

.rule-highlight-title {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--red-primary);
  margin-bottom: 12px;
}

.rule-highlight ul {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 12px;
}

.rule-highlight li {
  color: var(--text-secondary);
  font-size: 0.9rem;
  padding-left: 20px;
  position: relative;
}

.rule-highlight li::before {
  content: '✕';
  position: absolute;
  left: 0;
  color: var(--red-primary);
  font-weight: 700;
}

/* Techniques */
.tech-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.tech-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: all 0.3s ease;
}

.tech-card:hover {
  border-color: var(--border-light);
  transform: translateY(-4px);
}

.tech-card-image {
  height: 200px;
  background-size: cover;
  background-position: center;
  position: relative;
}

.tech-card-image .tech-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, var(--bg-card) 0%, transparent 60%);
}

.tech-card-body {
  padding: 28px;
}

.tech-card-label {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--red-primary);
  margin-bottom: 8px;
}

.tech-card-title {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  font-weight: 600;
  margin-bottom: 12px;
}

.tech-card-desc {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.8;
}

/* Rankings */
.rank-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.rank-item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px 20px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  transition: all 0.2s ease;
}

.rank-item:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-light);
}

.rank-number {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text-muted);
  width: 36px;
  text-align: center;
  flex-shrink: 0;
}

.rank-item:nth-child(1) .rank-number { color: var(--gold-primary); }
.rank-item:nth-child(2) .rank-number { color: #c0c0c0; }
.rank-item:nth-child(3) .rank-number { color: #cd7f32; }

.rank-info { flex: 1; }

.rank-name {
  font-weight: 600;
  color: var(--text-primary);
  font-size: 0.95rem;
}

.rank-detail {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.rank-stat {
  font-family: var(--font-heading);
  color: var(--gold-primary);
  font-weight: 600;
  font-size: 0.9rem;
}

/* Fighter Cards */
.fighter-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 20px;
}

.fighter-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: all 0.3s ease;
}

.fighter-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-light);
  box-shadow: 0 12px 40px rgba(0,0,0,0.4);
}

.fighter-image {
  height: 200px;
  background-size: cover;
  background-position: center top;
  position: relative;
}

.fighter-image .fighter-flag {
  position: absolute;
  top: 12px; right: 12px;
  padding: 4px 10px;
  background: rgba(0,0,0,0.7);
  border-radius: 4px;
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--text-primary);
}

.fighter-body {
  padding: 20px;
}

.fighter-name {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: 2px;
}

.fighter-nickname {
  font-size: 0.8rem;
  color: var(--text-muted);
  font-style: italic;
  margin-bottom: 10px;
}

.fighter-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px;
  margin-bottom: 12px;
}

.fighter-stat {
  font-size: 0.78rem;
  color: var(--text-secondary);
}

.fighter-stat span {
  color: var(--text-muted);
  display: block;
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.fighter-record {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  color: var(--gold-primary);
}

.fighter-style {
  display: inline-block;
  padding: 3px 10px;
  background: rgba(230,57,70,0.15);
  color: var(--red-primary);
  border-radius: 50px;
  font-size: 0.7rem;
  font-weight: 600;
}

/* Footer */
.footer {
  background: #080808;
  border-top: 1px solid var(--border-color);
  padding: 60px 24px 30px;
  margin-top: 80px;
}

.footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
}

.footer-brand-desc {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin-top: 12px;
}

.footer h4 {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 16px;
  color: var(--text-primary);
}

.footer ul { list-style: none; }

.footer ul li { margin-bottom: 8px; }

.footer ul a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.85rem;
  transition: color 0.2s ease;
}

.footer ul a:hover { color: var(--red-primary); }

.footer-bottom {
  max-width: var(--max-width);
  margin: 40px auto 0;
  padding-top: 20px;
  border-top: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* Animations */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.6s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Content Text Styles */
.content-section {
  max-width: 800px;
  margin: 0 auto;
}

.content-section h2 {
  font-family: var(--font-heading);
  font-size: 1.8rem;
  font-weight: 600;
  margin: 40px 0 16px;
}

.content-section h3 {
  font-family: var(--font-heading);
  font-size: 1.3rem;
  font-weight: 600;
  margin: 28px 0 12px;
  color: var(--gold-primary);
}

.content-section p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.9;
  margin-bottom: 16px;
}

.content-section ul, .content-section ol {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.9;
  padding-left: 24px;
  margin-bottom: 16px;
}

.content-section li { margin-bottom: 8px; }

.content-section strong {
  color: var(--text-primary);
}

.info-box {
  background: var(--bg-card);
  border-left: 3px solid var(--red-primary);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  padding: 20px 24px;
  margin: 24px 0;
}

.info-box-title {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 600;
  color: var(--red-primary);
  margin-bottom: 8px;
}

.info-box p {
  margin-bottom: 0;
  font-size: 0.88rem;
}

/* Page Header (inner pages) */
.page-header {
  padding: 120px 24px 60px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.page-header-bg {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(135deg, rgba(10,10,10,0.9) 0%, rgba(10,10,10,0.7) 100%),
    url('https://images.unsplash.com/photo-1574680099147-aa99eefb0b34?w=1920&q=80') center/cover no-repeat fixed;
  z-index: 0;
}

.page-header-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at center, transparent 0%, var(--bg-primary) 100%);
}

.page-header-content {
  position: relative;
  z-index: 1;
}

.page-header-content .section-label { margin-bottom: 8px; }

.page-header-content h1 {
  font-family: var(--font-heading);
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 700;
  line-height: 1.1;
}

/* Bottom nav */
.section-nav {
  display: flex;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 48px;
}

.section-nav a {
  padding: 8px 20px;
  border: 1px solid var(--border-color);
  border-radius: 50px;
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.85rem;
  font-weight: 500;
  transition: all 0.2s ease;
}

.section-nav a:hover,
.section-nav a.active {
  border-color: var(--red-primary);
  color: var(--red-primary);
  background: rgba(230,57,70,0.1);
}

/* Responsive */
@media (max-width: 1024px) {
  .disciplines-grid { grid-template-columns: repeat(2, 1fr); }
  .tech-grid { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .nav-links {
    position: fixed;
    top: var(--nav-height);
    left: 0; right: 0;
    background: rgba(10,10,10,0.98);
    backdrop-filter: blur(20px);
    flex-direction: column;
    padding: 16px;
    gap: 4px;
    transform: translateY(-100%);
    opacity: 0;
    transition: all 0.3s ease;
    border-bottom: 1px solid var(--border-color);
    pointer-events: none;
  }

  .nav-links.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .nav-links a { padding: 12px 16px; }

  .nav-toggle { display: flex; }

  .hero { min-height: 80vh; padding: 100px 20px 60px; }

  .section { padding: 60px 20px; }

  .disciplines-grid { grid-template-columns: 1fr 1fr; gap: 12px; }

  .org-grid,
  .fighter-grid { grid-template-columns: 1fr; }

  .rules-grid { grid-template-columns: 1fr; }

  .footer-inner { grid-template-columns: 1fr; gap: 30px; }

  .footer-bottom { flex-direction: column; gap: 8px; text-align: center; }

  .page-header { padding: 100px 20px 40px; }

  .discipline-card { padding: 28px 16px; }
}

@media (max-width: 480px) {
  .disciplines-grid { grid-template-columns: 1fr; }

  .hero-actions { flex-direction: column; align-items: center; }

  .btn { width: 100%; justify-content: center; }

  .rank-item { flex-wrap: wrap; }

  .weight-table { font-size: 0.8rem; }
  .weight-table th,
  .weight-table td { padding: 10px 12px; }
}