/* ============================================================
   KABUTO ESPORTS — Main Stylesheet
   ============================================================ */

/* ── Google Fonts ── */
@import url('https://fonts.googleapis.com/css2?family=Rajdhani:wght@400;500;600;700&family=Inter:wght@300;400;500;600;700&family=Orbitron:wght@700;900&display=swap');

/* ── CSS Variables ── */
:root {
  --primary:       #f5a623;
  --primary-dark:  #e8940a;
  --primary-glow:  rgba(245,166,35,0.25);
  --accent:        #7c3aed;
  --accent-glow:   rgba(124,58,237,0.3);
  --success:       #10b981;
  --danger:        #ef4444;
  --warning:       #fbbf24;
  --info:          #3b82f6;

  --bg-dark:       #0a0a0f;
  --bg-card:       #111120;
  --bg-surface:    #1a1a2e;
  --bg-elevated:   #16213e;
  --bg-hover:      #1e1e38;

  --border:        rgba(255,255,255,0.08);
  --border-bright: rgba(245,166,35,0.3);

  --text-primary:  #f1f5f9;
  --text-muted:    #94a3b8;
  --text-dim:      #64748b;

  --radius-sm:  6px;
  --radius-md:  12px;
  --radius-lg:  20px;
  --radius-xl:  28px;

  --shadow-glow: 0 0 30px rgba(245,166,35,0.15), 0 4px 24px rgba(0,0,0,0.4);
  --shadow-card: 0 4px 24px rgba(0,0,0,0.35);

  --transition: all 0.25s cubic-bezier(0.4,0,0.2,1);
}

/* ── Reset & Base ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: 'Inter', sans-serif;
  background: var(--bg-dark);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
}
a { color: var(--primary); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--primary-dark); }
img { max-width: 100%; height: auto; }
ul { list-style: none; }

/* ── Typography ── */
h1,h2,h3,h4,h5,h6 { font-family: 'Rajdhani', sans-serif; font-weight: 700; line-height: 1.2; }
.font-orbitron { font-family: 'Orbitron', sans-serif; }

/* ── Layout ── */
.container { max-width: 1280px; margin: 0 auto; padding: 0 20px; }
.section { padding: 80px 0; }
.section-sm { padding: 48px 0; }

/* ── Navbar ── */
.navbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  background: rgba(10,10,15,0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  transition: var(--transition);
}
.navbar.scrolled { background: rgba(10,10,15,0.97); box-shadow: var(--shadow-glow); }
.navbar-inner {
  display: flex; align-items: center; justify-content: space-between;
  max-width: 1280px; margin: 0 auto; padding: 0 20px; height: 68px;
}
.navbar-brand {
  display: flex; align-items: center; gap: 10px;
  font-family: 'Orbitron', sans-serif; font-size: 20px; font-weight: 900;
  color: var(--primary); text-decoration: none; letter-spacing: 2px;
}
.navbar-brand img { height: 36px; }
.navbar-brand span { color: var(--text-primary); }
.nav-links { display: flex; align-items: center; gap: 8px; }
.nav-links a {
  color: var(--text-muted); font-size: 14px; font-weight: 500;
  padding: 8px 14px; border-radius: var(--radius-sm);
  transition: var(--transition);
}
.nav-links a:hover, .nav-links a.active {
  color: var(--primary); background: var(--primary-glow);
}
.nav-cta {
  background: var(--primary); color: var(--bg-dark) !important;
  font-weight: 700; padding: 8px 20px !important;
  border-radius: var(--radius-sm);
}
.nav-cta:hover { background: var(--primary-dark) !important; transform: translateY(-1px); }
.nav-hamburger { display: none; flex-direction: column; gap: 5px; cursor: pointer; padding: 4px; }
.nav-hamburger span {
  display: block; width: 24px; height: 2px;
  background: var(--text-primary); border-radius: 2px; transition: var(--transition);
}

/* ── Buttons ── */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 12px 28px; border-radius: var(--radius-sm); font-size: 15px;
  font-weight: 600; border: none; cursor: pointer; transition: var(--transition);
  text-decoration: none; white-space: nowrap; font-family: 'Inter', sans-serif;
}
.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: var(--bg-dark); box-shadow: 0 4px 15px var(--primary-glow);
}
.btn-primary:hover {
  color: var(--bg-dark); transform: translateY(-2px);
  box-shadow: 0 8px 25px var(--primary-glow);
}
.btn-outline {
  background: transparent; color: var(--primary);
  border: 1px solid var(--primary); padding: 11px 27px;
}
.btn-outline:hover { background: var(--primary-glow); color: var(--primary); }
.btn-danger  { background: var(--danger); color: #fff; }
.btn-success { background: var(--success); color: #fff; }
.btn-sm { padding: 8px 18px; font-size: 13px; }
.btn-lg { padding: 16px 40px; font-size: 17px; border-radius: var(--radius-md); }
.btn-block { width: 100%; }
.btn:disabled { opacity: 0.5; cursor: not-allowed; transform: none !important; }

/* ── Cards ── */
.card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius-lg); overflow: hidden;
  transition: var(--transition); position: relative;
}
.card:hover { border-color: var(--border-bright); transform: translateY(-4px); box-shadow: var(--shadow-glow); }
.card-body { padding: 24px; }
.card-footer { padding: 16px 24px; border-top: 1px solid var(--border); }

/* ── Tournament Card ── */
.tournament-card { display: flex; flex-direction: column; }
.tournament-card .card-banner {
  position: relative; height: 180px; overflow: hidden;
}
.tournament-card .card-banner img {
  width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s ease;
}
.tournament-card:hover .card-banner img { transform: scale(1.05); }
.tournament-card .card-banner .badge-overlay {
  position: absolute; top: 12px; right: 12px;
  display: flex; flex-direction: column; gap: 6px; align-items: flex-end;
}
.badge {
  display: inline-flex; align-items: center; padding: 4px 10px;
  border-radius: 100px; font-size: 11px; font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.5px;
}
.badge-primary   { background: rgba(245,166,35,0.15); color: var(--primary); border: 1px solid var(--primary); }
.badge-success   { background: rgba(16,185,129,0.15); color: var(--success); border: 1px solid var(--success); }
.badge-warning   { background: rgba(251,191,36,0.15); color: var(--warning); border: 1px solid var(--warning); }
.badge-danger    { background: rgba(239,68,68,0.15);  color: var(--danger);  border: 1px solid var(--danger); }
.badge-info      { background: rgba(59,130,246,0.15); color: var(--info);    border: 1px solid var(--info); }
.badge-secondary { background: rgba(100,116,139,0.2); color: var(--text-muted); }
.badge-solo   { background: rgba(124,58,237,0.15); color: #a78bfa; border: 1px solid #7c3aed; }
.badge-duo    { background: rgba(59,130,246,0.15); color: #60a5fa; border: 1px solid #3b82f6; }
.badge-squad  { background: rgba(16,185,129,0.15); color: #34d399; border: 1px solid #10b981; }

.tournament-card .card-body { flex: 1; }
.tournament-card h3 { font-size: 18px; margin-bottom: 12px; color: var(--text-primary); }
.tc-stats { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin: 16px 0; }
.tc-stat { background: var(--bg-surface); border-radius: var(--radius-sm); padding: 10px; }
.tc-stat .label { font-size: 10px; color: var(--text-dim); text-transform: uppercase; letter-spacing: 0.5px; margin-bottom: 2px; }
.tc-stat .value { font-size: 15px; font-weight: 700; color: var(--primary); font-family: 'Rajdhani', sans-serif; }
.slots-bar { background: var(--bg-surface); border-radius: 100px; height: 6px; overflow: hidden; margin: 12px 0 4px; }
.slots-fill { height: 100%; border-radius: 100px; background: linear-gradient(90deg, var(--success), #06d6a0); transition: width 0.6s ease; }
.slots-fill.warn { background: linear-gradient(90deg, var(--warning), var(--primary)); }
.slots-fill.full { background: linear-gradient(90deg, var(--danger), #ff6b6b); }
.slots-text { font-size: 12px; color: var(--text-muted); }
.deadline-text { font-size: 12px; color: var(--text-dim); display: flex; align-items: center; gap: 4px; }

/* ── Hero ── */
.hero {
  min-height: 100vh; display: flex; align-items: center;
  position: relative; overflow: hidden;
  background: radial-gradient(ellipse at 60% 40%, rgba(124,58,237,0.15) 0%, transparent 60%),
              radial-gradient(ellipse at 20% 80%, rgba(245,166,35,0.1) 0%, transparent 50%),
              var(--bg-dark);
  padding-top: 68px;
}
.hero::before {
  content: ''; position: absolute; inset: 0;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="g" width="20" height="20" patternUnits="userSpaceOnUse"><path d="M0 20L20 0M0 0L20 20" stroke="rgba(255,255,255,0.03)" stroke-width="0.5" fill="none"/></pattern></defs><rect width="100" height="100" fill="url(%23g)"/></svg>');
  pointer-events: none;
}
.hero-content { position: relative; z-index: 1; max-width: 700px; }
.hero-eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--primary-glow); border: 1px solid var(--border-bright);
  color: var(--primary); font-size: 13px; font-weight: 600; letter-spacing: 1px;
  text-transform: uppercase; padding: 6px 16px; border-radius: 100px; margin-bottom: 24px;
}
.hero-eyebrow::before { content: ''; width: 6px; height: 6px; background: var(--primary); border-radius: 50%; animation: pulse 2s infinite; }
@keyframes pulse { 0%,100%{opacity:1;transform:scale(1)} 50%{opacity:0.5;transform:scale(1.5)} }
.hero h1 { font-size: clamp(40px, 6vw, 72px); line-height: 1.05; margin-bottom: 20px; }
.hero h1 .highlight { color: var(--primary); display: block; }
.hero p { font-size: 18px; color: var(--text-muted); max-width: 540px; margin-bottom: 36px; }
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }
.hero-stats { display: flex; gap: 32px; margin-top: 56px; flex-wrap: wrap; }
.hero-stat .num { font-family: 'Orbitron', sans-serif; font-size: 32px; font-weight: 700; color: var(--primary); }
.hero-stat .lbl { font-size: 13px; color: var(--text-muted); }

/* ── Section Headings ── */
.section-heading { text-align: center; margin-bottom: 56px; }
.section-heading h2 { font-size: clamp(28px, 4vw, 44px); margin-bottom: 12px; }
.section-heading p { color: var(--text-muted); max-width: 560px; margin: 0 auto; font-size: 16px; }
.section-divider {
  display: inline-block; width: 60px; height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  border-radius: 2px; margin: 16px 0;
}

/* ── Grid ── */
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 28px; }

/* ── Forms ── */
.form-group { margin-bottom: 20px; }
.form-label { display: block; font-size: 13px; font-weight: 600; color: var(--text-muted); margin-bottom: 8px; text-transform: uppercase; letter-spacing: 0.5px; }
.form-control {
  width: 100%; background: var(--bg-surface); border: 1px solid var(--border);
  color: var(--text-primary); border-radius: var(--radius-sm);
  padding: 12px 16px; font-size: 15px; transition: var(--transition);
  font-family: 'Inter', sans-serif;
}
.form-control:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px var(--primary-glow); }
.form-control::placeholder { color: var(--text-dim); }
.form-control.is-invalid { border-color: var(--danger); }
.form-error { color: var(--danger); font-size: 12px; margin-top: 4px; display: none; }
.form-error.show { display: block; }
.form-select { appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%2394a3b8' fill='none' stroke-width='1.5'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 14px center; padding-right: 40px; }
.form-section-title { font-size: 16px; font-weight: 700; color: var(--primary); margin: 28px 0 16px; padding-bottom: 8px; border-bottom: 1px solid var(--border-bright); display: flex; align-items: center; gap: 8px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }

/* ── Alert / Flash ── */
.alert {
  padding: 14px 18px; border-radius: var(--radius-md); margin-bottom: 20px;
  display: flex; align-items: flex-start; gap: 12px; font-size: 14px;
  border: 1px solid transparent;
}
.alert-success { background: rgba(16,185,129,0.1); border-color: rgba(16,185,129,0.3); color: #34d399; }
.alert-danger   { background: rgba(239,68,68,0.1);  border-color: rgba(239,68,68,0.3);  color: #f87171; }
.alert-warning  { background: rgba(251,191,36,0.1); border-color: rgba(251,191,36,0.3); color: #fbbf24; }
.alert-info     { background: rgba(59,130,246,0.1); border-color: rgba(59,130,246,0.3); color: #60a5fa; }

/* ── Progress Stepper ── */
.stepper { display: flex; align-items: center; gap: 0; margin-bottom: 40px; }
.step { display: flex; flex-direction: column; align-items: center; flex: 1; position: relative; }
.step-circle {
  width: 36px; height: 36px; border-radius: 50%; border: 2px solid var(--border);
  background: var(--bg-surface); display: flex; align-items: center; justify-content: center;
  font-size: 13px; font-weight: 700; color: var(--text-dim); transition: var(--transition); z-index: 1;
}
.step.active .step-circle, .step.done .step-circle {
  border-color: var(--primary); background: var(--primary); color: var(--bg-dark);
}
.step-label { font-size: 11px; color: var(--text-dim); margin-top: 6px; text-align: center; white-space: nowrap; }
.step.active .step-label, .step.done .step-label { color: var(--primary); }
.step-line { flex: 1; height: 2px; background: var(--border); position: relative; top: -18px; }
.step-line.done { background: var(--primary); }

/* ── Table ── */
.table-wrapper { overflow-x: auto; border-radius: var(--radius-md); border: 1px solid var(--border); }
table { width: 100%; border-collapse: collapse; }
thead th { background: var(--bg-surface); padding: 12px 16px; font-size: 12px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.5px; color: var(--text-muted); white-space: nowrap; }
tbody td { padding: 14px 16px; font-size: 14px; color: var(--text-primary); border-top: 1px solid var(--border); vertical-align: middle; }
tbody tr:hover td { background: var(--bg-hover); }

/* ── FAQ ── */
.faq-item { border-bottom: 1px solid var(--border); }
.faq-question {
  width: 100%; background: none; border: none; cursor: pointer;
  padding: 18px 0; display: flex; align-items: center; justify-content: space-between;
  font-size: 16px; font-weight: 600; color: var(--text-primary);
  text-align: left; transition: var(--transition);
}
.faq-question:hover { color: var(--primary); }
.faq-question .icon { width: 24px; height: 24px; border-radius: 50%; background: var(--bg-surface); display: flex; align-items: center; justify-content: center; flex-shrink: 0; font-size: 18px; transition: var(--transition); }
.faq-item.open .faq-question .icon { transform: rotate(45deg); background: var(--primary-glow); color: var(--primary); }
.faq-answer { overflow: hidden; max-height: 0; transition: max-height 0.35s ease, padding 0.35s ease; }
.faq-answer.open { max-height: 500px; padding-bottom: 18px; }
.faq-answer p { color: var(--text-muted); font-size: 15px; line-height: 1.7; }

/* ── Footer ── */
.footer {
  background: var(--bg-card); border-top: 1px solid var(--border);
  padding: 60px 0 24px;
}
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 48px; }
.footer-brand { font-family: 'Orbitron', sans-serif; font-size: 22px; font-weight: 900; color: var(--primary); letter-spacing: 2px; margin-bottom: 12px; }
.footer-desc { color: var(--text-muted); font-size: 14px; line-height: 1.7; margin-bottom: 20px; }
.social-links { display: flex; gap: 10px; }
.social-link {
  width: 38px; height: 38px; border-radius: var(--radius-sm);
  background: var(--bg-surface); border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  color: var(--text-muted); font-size: 16px; transition: var(--transition);
}
.social-link:hover { background: var(--primary-glow); border-color: var(--primary); color: var(--primary); transform: translateY(-2px); }
.footer-heading { font-size: 13px; font-weight: 700; color: var(--text-primary); text-transform: uppercase; letter-spacing: 1px; margin-bottom: 16px; }
.footer-links a { display: block; color: var(--text-muted); font-size: 14px; margin-bottom: 10px; transition: var(--transition); }
.footer-links a:hover { color: var(--primary); padding-left: 4px; }
.footer-bottom { border-top: 1px solid var(--border); padding-top: 24px; display: flex; align-items: center; justify-content: space-between; }
.footer-bottom p { color: var(--text-dim); font-size: 13px; }

/* ── Page Header Banner ── */
.page-header {
  background: linear-gradient(135deg, var(--bg-surface), var(--bg-elevated));
  border-bottom: 1px solid var(--border); padding: 100px 0 48px;
  position: relative; overflow: hidden;
}
.page-header::after {
  content: ''; position: absolute; top: -60%; right: -10%; width: 400px; height: 400px;
  background: radial-gradient(circle, var(--primary-glow), transparent 70%);
  pointer-events: none;
}
.page-header h1 { font-size: clamp(28px, 4vw, 48px); }
.breadcrumb { display: flex; align-items: center; gap: 8px; font-size: 13px; color: var(--text-dim); margin-bottom: 12px; }
.breadcrumb a { color: var(--text-dim); }
.breadcrumb a:hover { color: var(--primary); }
.breadcrumb span { color: var(--text-primary); }

/* ── Loading Spinner ── */
.spinner { display: inline-block; width: 20px; height: 20px; border: 2px solid rgba(245,166,35,0.3); border-top-color: var(--primary); border-radius: 50%; animation: spin 0.7s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

/* ── Scroll animations ── */
.fade-up { opacity: 0; transform: translateY(30px); transition: opacity 0.6s ease, transform 0.6s ease; }
.fade-up.visible { opacity: 1; transform: translateY(0); }

/* ── Responsive ── */
@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
  .grid-3, .grid-2 { grid-template-columns: 1fr; }
  .grid-4 { grid-template-columns: 1fr 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .hero-actions { flex-direction: column; }
  .hero-stats { gap: 20px; }
  .nav-links { display: none; }
  .nav-hamburger { display: flex; }
  .nav-links.open {
    display: flex; flex-direction: column; position: fixed;
    top: 68px; left: 0; right: 0; background: rgba(10,10,15,0.98);
    padding: 20px; gap: 4px; border-bottom: 1px solid var(--border);
  }
  .stepper { display: none; }
  .footer-bottom { flex-direction: column; gap: 8px; text-align: center; }
}
@media (max-width: 480px) {
  .grid-4 { grid-template-columns: 1fr; }
  .container { padding: 0 16px; }
  .section { padding: 56px 0; }
}