/* ===== VARIABLES ===== */
:root {
  --gold: #f5c518;
  --gold-dark: #c9a000;
  --dark: #0a0e1a;
  --dark2: #111827;
  --dark3: #1c2333;
  --accent: #00c896;
  --text: #e8edf5;
  --text-muted: #8a93a8;
  --white: #ffffff;
  --radius: 12px;
}

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

body {
  font-family: "Manrope", sans-serif;
  background: var(--dark);
  color: var(--text);
  overflow-x: hidden;
}

/* Все секции на одном фоне с hero */
section,
.section-participants {
  background: var(--dark);
}

/* ===== HEADER ===== */
header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(10, 14, 26, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.07);
  padding: 0 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}

.logo {
  font-family: "Bebas Neue", sans-serif;
  font-size: 28px;
  color: var(--gold);
  letter-spacing: 2px;
  text-decoration: none;
}

nav a {
  color: var(--text-muted);
  text-decoration: none;
  margin-left: 24px;
  font-size: 14px;
  font-weight: 600;
  transition: color 0.2s;
}
nav a:hover {
  color: var(--white);
}

.btn-instagram {
  background: linear-gradient(
    135deg,
    #f09433,
    #e6683c,
    #dc2743,
    #cc2366,
    #bc1888
  );
  color: var(--white);
  border: none;
  padding: 10px 20px;
  border-radius: 8px;
  font-weight: 700;
  font-size: 13px;
  cursor: pointer;
  text-decoration: none;
  transition:
    opacity 0.2s,
    transform 0.15s;
}
.btn-instagram:hover {
  opacity: 0.85;
  transform: translateY(-1px);
}

.btn-register {
  background: var(--gold);
  color: var(--dark);
  border: none;
  padding: 10px 22px;
  border-radius: 8px;
  font-weight: 800;
  font-size: 14px;
  cursor: pointer;
  text-decoration: none;
  transition:
    background 0.2s,
    transform 0.15s;
  white-space: nowrap;
}
.btn-register:hover {
  background: var(--gold-dark);
  transform: translateY(-1px);
}

/* ===== HERO ===== */
.hero {
  position: relative;
  min-height: 88vh;
  display: flex;
  align-items: center;
  padding: 80px 40px;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to right,
    var(--dark) 0%,
    var(--dark) 38%,
    rgba(10, 14, 26, 0.75) 55%,
    rgba(10, 14, 26, 0.2) 75%,
    transparent 100%
  );
  z-index: 0;
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 520px;
  animation: fadeUp 0.8s ease both;
}

.hero-badge {
  display: inline-block;
  background: rgba(245, 197, 24, 0.1);
  border: 1px solid rgba(245, 197, 24, 0.3);
  color: var(--gold);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  padding: 6px 14px;
  border-radius: 20px;
  margin-bottom: 20px;
}

.hero h1 {
  font-family: "Bebas Neue", sans-serif;
  font-size: clamp(52px, 8vw, 100px);
  line-height: 0.95;
  color: var(--white);
  margin-bottom: 20px;
}
.hero h1 span {
  color: var(--gold);
}

.hero p {
  font-size: 17px;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 36px;
  max-width: 480px;
}
.hero p strong {
  color: var(--white);
}

.hero-stats {
  display: flex;
  gap: 32px;
  margin-bottom: 24px;
  flex-wrap: wrap;
}

.hero-stat .num {
  display: block;
  font-family: "Bebas Neue", sans-serif;
  font-size: 36px;
  color: var(--gold);
  line-height: 1;
}
.hero-stat .label {
  font-size: 12px;
  color: var(--text-muted);
  font-weight: 600;
}

.hero-dates {
  display: inline-block;
  background: var(--dark3);
  border: 1px solid rgba(255, 255, 255, 0.08);
  color: var(--text-muted);
  font-size: 14px;
  font-weight: 600;
  padding: 10px 18px;
  border-radius: 8px;
}

.hero-image {
  position: absolute;
  right: 0;
  top: 40%;
  left: 10%;
  transform: translateY(-50%);
  width: 100%;
  height: 90%;
  pointer-events: none;
  z-index: 0;
}

.hero-image img {
  width: 93%;
  height: 100%;
  object-fit: contain;
  object-position: right center;
  margin-top: 40px;
}

/* ===== SECTIONS ===== */
section {
  padding: 80px 40px;
  max-width: 1200px;
  margin: 0 auto;
}

.section-dark {
  background: var(--dark);
  max-width: 100%;
  padding: 80px 40px;
  border-top: 1px solid rgba(255, 255, 255, 0.04);
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}
.section-dark > * {
  max-width: 1200px;
  margin: 0 auto;
}

.section-participants {
  max-width: 1200px;
  margin: 0 auto;
  padding: 80px 40px;
}

.section-header {
  margin-bottom: 48px;
}

.section-title {
  font-family: "Bebas Neue", sans-serif;
  font-size: clamp(36px, 5vw, 56px);
  color: var(--white);
  margin-bottom: 10px;
}

.section-sub {
  color: var(--text-muted);
  font-size: 16px;
}

/* ===== COURSES ===== */
.courses-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.course-card {
  background: var(--dark2);
  border: 1px solid rgba(255, 255, 255, 0.07);
  border-radius: var(--radius);
  padding: 24px 20px;
  transition:
    border-color 0.2s,
    transform 0.2s;
}
.course-card:hover {
  border-color: rgba(245, 197, 24, 0.35);
  transform: translateY(-3px);
}

.course-icon {
  font-size: 28px;
  margin-bottom: 12px;
}

.course-card h3 {
  font-size: 14px;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 10px;
  line-height: 1.4;
}

.course-meta {
  display: flex;
  gap: 8px;
  margin-bottom: 12px;
}
.course-meta span {
  background: var(--dark3);
  color: var(--text-muted);
  font-size: 11px;
  font-weight: 600;
  padding: 3px 8px;
  border-radius: 4px;
}

.course-price {
  font-family: "Bebas Neue", sans-serif;
  font-size: 22px;
  color: var(--gold);
  letter-spacing: 0.5px;
}

/* ===== PRIZE SHOWCASE ===== */
.prize-showcase {
  display: flex;
  justify-content: center;
}

.prize-main {
  background: var(--dark3);
  border: 1px solid rgba(245, 197, 24, 0.3);
  border-radius: 20px;
  padding: 48px 64px;
  text-align: center;
  max-width: 500px;
  width: 100%;
}

.prize-emoji {
  font-size: 72px;
  margin-bottom: 16px;
}

.prize-count-badge {
  display: inline-block;
  background: rgba(245, 197, 24, 0.12);
  border: 1px solid rgba(245, 197, 24, 0.25);
  color: var(--gold);
  font-size: 13px;
  font-weight: 700;
  padding: 5px 16px;
  border-radius: 20px;
  margin-bottom: 16px;
}

.prize-main h2 {
  font-family: "Bebas Neue", sans-serif;
  font-size: 36px;
  color: var(--white);
  margin-bottom: 12px;
}

.prize-main p {
  color: var(--text-muted);
  font-size: 15px;
  line-height: 1.6;
  margin-bottom: 20px;
}

.prize-value {
  font-family: "Bebas Neue", sans-serif;
  font-size: 28px;
  color: var(--accent);
}

/* ===== SCHEDULE ===== */
.schedule-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}

.schedule-card {
  background: var(--dark2);
  border: 1px solid rgba(255, 255, 255, 0.07);
  border-radius: var(--radius);
  padding: 20px 18px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  transition:
    border-color 0.2s,
    transform 0.2s;
}
.schedule-card:hover {
  border-color: rgba(245, 197, 24, 0.3);
  transform: translateY(-2px);
}
.schedule-card.past {
  opacity: 0.45;
}
.schedule-card.current {
  border-color: var(--gold);
}

.schedule-card .stage {
  font-size: 11px;
  font-weight: 700;
  color: var(--text-muted);
  letter-spacing: 1px;
  text-transform: uppercase;
}
.schedule-card .date {
  font-size: 15px;
  font-weight: 700;
  color: var(--white);
}
.schedule-card .prize-tag {
  display: inline-block;
  background: rgba(245, 197, 24, 0.1);
  color: var(--gold);
  font-size: 11px;
  font-weight: 600;
  padding: 3px 8px;
  border-radius: 4px;
  width: fit-content;
}

/* ===== ALGORITHM ===== */
.algo-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.algo-card {
  background: var(--dark3);
  border: 1px solid rgba(255, 255, 255, 0.07);
  border-radius: var(--radius);
  padding: 28px 22px;
  position: relative;
  transition: border-color 0.2s;
}
.algo-card:hover {
  border-color: rgba(0, 200, 150, 0.3);
}

.algo-num {
  font-family: "Bebas Neue", sans-serif;
  font-size: 52px;
  color: rgba(245, 197, 24, 0.1);
  position: absolute;
  top: 12px;
  right: 16px;
  line-height: 1;
}

.algo-card h3 {
  font-size: 15px;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 10px;
}

.algo-card p {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.6;
}
.algo-card p strong {
  color: var(--white);
}

/* ===== TABLE ===== */
.table-tabs {
  display: flex;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  margin-bottom: 24px;
}

.tab {
  padding: 12px 24px;
  font-size: 12px;
  font-weight: 700;
  color: var(--text-muted);
  cursor: pointer;
  border-bottom: 2px solid transparent;
  transition: all 0.2s;
  letter-spacing: 0.5px;
}
.tab.active {
  color: var(--gold);
  border-bottom-color: var(--gold);
}
.tab:hover {
  color: var(--white);
}

.search-row {
  display: flex;
  gap: 10px;
  margin-bottom: 20px;
}

.search-input {
  flex: 1;
  max-width: 340px;
  background: var(--dark2);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 8px;
  padding: 10px 16px;
  color: var(--text);
  font-family: "Manrope", sans-serif;
  font-size: 14px;
  outline: none;
  transition: border-color 0.2s;
}
.search-input:focus {
  border-color: var(--gold);
}
.search-input::placeholder {
  color: var(--text-muted);
}

.search-btn {
  background: var(--gold);
  color: var(--dark);
  border: none;
  padding: 10px 20px;
  border-radius: 8px;
  font-weight: 700;
  font-size: 14px;
  cursor: pointer;
  transition: background 0.2s;
}
.search-btn:hover {
  background: var(--gold-dark);
}

table {
  width: 100%;
  border-collapse: collapse;
}

thead th {
  text-align: left;
  padding: 12px 20px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--text-muted);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

tbody tr {
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
  transition: background 0.15s;
}
tbody tr:hover {
  background: rgba(255, 255, 255, 0.03);
}

tbody td {
  padding: 13px 20px;
  font-size: 14px;
  color: var(--text);
}
tbody td:first-child {
  font-family: "Bebas Neue", sans-serif;
  font-size: 20px;
  color: var(--gold);
  letter-spacing: 1px;
}

.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  margin-top: 28px;
  flex-wrap: wrap;
}

.page-btn {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: transparent;
  color: var(--text-muted);
  font-weight: 600;
  font-size: 13px;
  cursor: pointer;
  transition: all 0.2s;
  display: flex;
  align-items: center;
  justify-content: center;
}
.page-btn:hover,
.page-btn.active {
  background: var(--gold);
  color: var(--dark);
  border-color: var(--gold);
}

/* ===== FOOTER ===== */
footer {
  background: var(--dark2);
  border-top: 1px solid rgba(255, 255, 255, 0.07);
  padding: 48px 40px;
  text-align: center;
}

.footer-logo {
  font-family: "Bebas Neue", sans-serif;
  font-size: 32px;
  color: var(--gold);
  letter-spacing: 2px;
  margin-bottom: 20px;
}

.footer-links {
  display: flex;
  gap: 24px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 24px;
}
.footer-links a {
  font-size: 13px;
  color: var(--text-muted);
  text-decoration: none;
  transition: color 0.2s;
}
.footer-links a:hover {
  color: var(--gold);
}

.footer-risk {
  font-size: 12px;
  color: var(--text-muted);
  line-height: 1.7;
  max-width: 700px;
  margin: 0 auto 16px;
}

.footer-copy {
  font-size: 11px;
  color: rgba(138, 147, 168, 0.45);
}

/* ===== ANIMATION ===== */
@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(28px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ===== CHART ===== */
.chart-tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 20px;
}

.chart-tab {
  background: var(--dark2);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--text-muted);
  padding: 10px 24px;
  border-radius: 8px;
  font-family: "Manrope", sans-serif;
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.2s;
}
.chart-tab:hover {
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.3);
}
.chart-tab.active {
  background: var(--gold);
  color: var(--dark);
  border-color: var(--gold);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
  .courses-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .schedule-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .algo-steps {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  header {
    padding: 0 20px;
  }
  nav {
    display: none;
  }
  .hero {
    padding: 60px 20px;
    min-height: auto;
  }
  section {
    padding: 60px 20px;
  }
  .section-dark {
    padding: 60px 20px;
  }
  .section-participants {
    padding: 60px 20px;
  }
  .courses-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .schedule-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .algo-steps {
    grid-template-columns: 1fr;
  }
  .prize-main {
    padding: 32px 24px;
  }
  footer {
    padding: 40px 20px;
  }
  .hero-image {
    display: none;
  }
}

@media (max-width: 480px) {
  .courses-grid {
    grid-template-columns: 1fr;
  }
  .schedule-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .hero-stats {
    gap: 20px;
  }
}

/* ===== AGE GATE ===== */
#age-gate {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(8px);
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.age-gate-box {
  background: var(--dark2);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 20px;
  padding: 48px 40px;
  text-align: center;
  max-width: 420px;
  width: 100%;
}

.age-gate-logo {
  font-family: "Bebas Neue", sans-serif;
  font-size: 32px;
  color: var(--gold);
  letter-spacing: 2px;
  margin-bottom: 24px;
}

.age-gate-text {
  font-size: 20px;
  font-weight: 700;
  color: var(--white);
  line-height: 1.4;
  margin-bottom: 32px;
}

.age-gate-buttons {
  display: flex;
  gap: 12px;
  justify-content: center;
}

.age-btn {
  flex: 1;
  padding: 14px;
  border-radius: 12px;
  border: none;
  font-family: "Manrope", sans-serif;
  font-size: 15px;
  font-weight: 800;
  cursor: pointer;
  transition: all 0.2s;
  letter-spacing: 1px;
}

.age-btn.yes {
  background: var(--gold);
  color: var(--dark);
}
.age-btn.yes:hover {
  background: var(--gold-dark);
}

.age-btn.no {
  background: var(--dark3);
  color: var(--text-muted);
  border: 1px solid rgba(255, 255, 255, 0.1);
}
.age-btn.no:hover {
  background: rgba(255, 255, 255, 0.05);
}