/* ============================================================
   AgentArena - Global Styles
   Inspired by takeover.fun aesthetic: dark, amber, tactical
   ============================================================ */

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

/* ---- Variables ---- */
:root {
  --bg:        #08070A;
  --bg-2:      #100F13;
  --bg-3:      #1A1820;
  --amber:     #E8A020;
  --amber-dim: #A06A10;
  --amber-glow:rgba(232,160,32,0.12);
  --white:     #F0EBE0;
  --gray:      #6E6860;
  --gray-light:#A09888;
  --border:    #28242A;
  --border-2:  #3A353D;
  --red:       #C83030;
  --green:     #28A060;

  --font-display: 'Bebas Neue', sans-serif;
  --font-mono:    'Space Mono', monospace;
  --font-body:    'Inter', sans-serif;

  --nav-h: 56px;
}

/* ---- Reset ---- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--white);
  font-family: var(--font-body);
  font-weight: 400;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img, video { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font-family: inherit; }

/* ---- Utility ---- */
.sr-only {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}
.container { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 20px; }

/* ---- NAV ---- */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  height: var(--nav-h);
  background: rgba(8,7,10,0.92);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}
.nav__inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 20px;
  max-width: 1200px;
  margin: 0 auto;
}
.nav__logo {
  display: flex; align-items: center; gap: 8px;
  font-family: var(--font-display);
  font-size: 1.5rem;
  letter-spacing: 0.05em;
  color: var(--white);
}
.nav__logo span { color: var(--amber); }
.nav__logo svg { width: 24px; height: 24px; }

/* Mobile: hamburger */
.nav__toggle {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 32px; height: 32px;
  background: none; border: none; cursor: pointer; padding: 4px;
}
.nav__toggle span {
  display: block; width: 100%; height: 1.5px;
  background: var(--white);
  transition: transform 0.25s, opacity 0.25s;
}
.nav__toggle.open span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.nav__toggle.open span:nth-child(2) { opacity: 0; }
.nav__toggle.open span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

.nav__menu {
  position: fixed;
  top: var(--nav-h); left: 0; right: 0; bottom: 0;
  background: var(--bg);
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  gap: 40px;
  transform: translateX(100%);
  transition: transform 0.3s cubic-bezier(0.4,0,0.2,1);
  z-index: 99;
}
.nav__menu.open { transform: translateX(0); }

.nav__link {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gray-light);
  transition: color 0.2s;
}
.nav__link:hover, .nav__link.active { color: var(--white); }

.nav__cta {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  padding: 8px 20px;
  border: 1px solid var(--amber);
  color: var(--amber);
  background: transparent;
  cursor: pointer;
  transition: background 0.2s, color 0.2s;
}
.nav__cta:hover { background: var(--amber); color: var(--bg); }

/* Desktop nav override */
@media (min-width: 768px) {
  .nav__toggle { display: none; }
  .nav__menu {
    position: static;
    flex-direction: row;
    background: none;
    transform: none;
    gap: 32px;
    align-items: center;
    justify-content: flex-end;
  }
  .nav__link { font-size: 0.68rem; }
}

/* ---- HERO ---- */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex; flex-direction: column; justify-content: flex-end;
  padding-top: var(--nav-h);
  overflow: hidden;
}
.hero__bg {
  position: absolute; inset: 0; z-index: 0;
  background: linear-gradient(135deg, #1A120A 0%, #08070A 55%, #0D0B14 100%);
}
.hero__grid {
  position: absolute; inset: 0; z-index: 1;
  background-image:
    linear-gradient(var(--border) 1px, transparent 1px),
    linear-gradient(90deg, var(--border) 1px, transparent 1px);
  background-size: 60px 60px;
  opacity: 0.35;
}
.hero__grid-fade {
  position: absolute; inset: 0; z-index: 2;
  background: radial-gradient(ellipse 80% 60% at 50% 110%, transparent 30%, var(--bg) 75%);
}
.hero__content {
  position: relative; z-index: 3;
  padding: 60px 20px 0;
  max-width: 700px;
}
.hero__tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--amber);
  border: 1px solid var(--amber-dim);
  padding: 4px 12px;
  margin-bottom: 24px;
}
.hero__title {
  font-family: var(--font-display);
  font-size: clamp(3.2rem, 11vw, 7rem);
  line-height: 0.92;
  letter-spacing: 0.01em;
  text-transform: uppercase;
  color: var(--white);
  margin-bottom: 0;
}
.hero__title em {
  font-style: normal;
  color: var(--amber);
}
.hero__sub {
  margin-top: 24px;
  font-size: 0.95rem;
  color: var(--gray-light);
  max-width: 480px;
  line-height: 1.7;
}
.hero__actions {
  margin-top: 36px;
  display: flex; flex-wrap: wrap; gap: 12px;
}
.hero__stats {
  position: relative; z-index: 3;
  margin-top: 48px;
  border-top: 1px solid var(--border);
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  padding: 0 20px;
}
@media (min-width: 640px) {
  .hero__stats { grid-template-columns: repeat(4, 1fr); }
}
.stat {
  padding: 24px 0;
  border-right: 1px solid var(--border);
  padding-left: 20px;
}
.stat:first-child { padding-left: 0; }
.stat:last-child { border-right: none; }
.stat__num {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 5vw, 2.8rem);
  color: var(--white);
  line-height: 1;
}
.stat__label {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gray);
  margin-top: 6px;
}

/* ---- BUTTONS ---- */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  padding: 12px 28px;
  border: 1px solid;
  cursor: pointer;
  transition: background 0.2s, color 0.2s, border-color 0.2s;
  white-space: nowrap;
}
.btn--primary {
  background: var(--amber); color: var(--bg);
  border-color: var(--amber);
}
.btn--primary:hover { background: #FFBA40; border-color: #FFBA40; }
.btn--outline {
  background: transparent; color: var(--white);
  border-color: var(--border-2);
}
.btn--outline:hover { border-color: var(--white); }
.btn--sm { padding: 8px 18px; font-size: 0.65rem; }
.btn--ghost {
  background: transparent; color: var(--gray-light);
  border-color: transparent;
}
.btn--ghost:hover { color: var(--white); }

/* ---- SECTION ---- */
.section { padding: 80px 0; }
.section--alt { background: var(--bg-2); }
.section__header { margin-bottom: 48px; }
.section__label {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--amber);
  margin-bottom: 12px;
}
.section__title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 6vw, 3.5rem);
  letter-spacing: 0.02em;
  text-transform: uppercase;
  line-height: 1;
}
.section__desc {
  margin-top: 16px;
  color: var(--gray-light);
  font-size: 0.92rem;
  max-width: 520px;
  line-height: 1.7;
}

/* ---- ARENA GRID (Arena page) ---- */
.arena-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2px;
}
@media (min-width: 640px) { .arena-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .arena-grid { grid-template-columns: repeat(3, 1fr); } }

.arena-card {
  background: var(--bg-2);
  border: 1px solid var(--border);
  padding: 24px;
  transition: border-color 0.2s;
  cursor: pointer;
  position: relative;
  overflow: hidden;
}
.arena-card::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--amber), transparent);
  opacity: 0;
  transition: opacity 0.2s;
}
.arena-card:hover { border-color: var(--border-2); }
.arena-card:hover::before { opacity: 1; }

.arena-card__badge {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.58rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  padding: 3px 8px;
  border: 1px solid;
  margin-bottom: 16px;
}
.badge--live { border-color: var(--amber); color: var(--amber); }
.badge--human { border-color: #4A90D9; color: #4A90D9; }
.badge--ai { border-color: #9B59B6; color: #9B59B6; }
.badge--ended { border-color: var(--gray); color: var(--gray); }

.arena-card__title {
  font-family: var(--font-display);
  font-size: 1.4rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-bottom: 6px;
}
.arena-card__meta {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gray);
}
.arena-card__divider { border: none; border-top: 1px solid var(--border); margin: 16px 0; }
.arena-card__stats { display: flex; justify-content: space-between; }
.arena-card__stat-num { font-family: var(--font-display); font-size: 1.2rem; }
.arena-card__stat-label { font-family: var(--font-mono); font-size: 0.56rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--gray); }
.arena-card__footer { margin-top: 20px; display: flex; justify-content: flex-end; }

/* ---- LEADERBOARD ---- */
.lb-table { width: 100%; border-collapse: collapse; }
.lb-table th, .lb-table td {
  text-align: left;
  padding: 14px 16px;
  border-bottom: 1px solid var(--border);
}
.lb-table th {
  font-family: var(--font-mono);
  font-size: 0.58rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gray);
  background: var(--bg-2);
}
.lb-table td { font-size: 0.88rem; vertical-align: middle; }
.lb-table tr:hover td { background: var(--bg-2); }
.lb-rank { font-family: var(--font-display); font-size: 1.2rem; color: var(--gray); }
.lb-rank--top { color: var(--amber); }
.lb-avatar {
  width: 32px; height: 32px; border-radius: 0;
  background: var(--bg-3);
  border: 1px solid var(--border-2);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-mono); font-size: 0.6rem;
  flex-shrink: 0;
}
.lb-name-wrap { display: flex; align-items: center; gap: 12px; }
.lb-type {
  font-family: var(--font-mono); font-size: 0.56rem;
  letter-spacing: 0.14em; text-transform: uppercase;
  padding: 2px 6px; border: 1px solid;
}
.lb-type--human { border-color: #4A90D9; color: #4A90D9; }
.lb-type--ai { border-color: #9B59B6; color: #9B59B6; }
.lb-score { font-family: var(--font-display); font-size: 1.1rem; color: var(--amber); }

/* ---- HOW IT WORKS ---- */
.steps {
  display: flex; flex-direction: column; gap: 0;
  position: relative;
}
.step {
  display: grid;
  grid-template-columns: 48px 1fr;
  gap: 24px;
  padding: 40px 0;
  border-bottom: 1px solid var(--border);
}
.step:last-child { border-bottom: none; }
.step__num {
  font-family: var(--font-display);
  font-size: 3rem;
  color: var(--border-2);
  line-height: 1;
  padding-top: 4px;
}
.step__title {
  font-family: var(--font-display);
  font-size: 1.6rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-bottom: 10px;
  color: var(--white);
}
.step__desc { color: var(--gray-light); font-size: 0.9rem; line-height: 1.75; }

/* ---- LOGIN ---- */
.login-wrap {
  min-height: 100svh;
  display: flex; align-items: center; justify-content: center;
  padding: var(--nav-h) 20px 40px;
  position: relative;
  overflow: hidden;
}
.login-wrap::before {
  content: '';
  position: absolute; inset: 0;
  background-image:
    linear-gradient(var(--border) 1px, transparent 1px),
    linear-gradient(90deg, var(--border) 1px, transparent 1px);
  background-size: 60px 60px;
  opacity: 0.25;
}
.login-box {
  position: relative; z-index: 1;
  width: 100%; max-width: 400px;
  background: var(--bg-2);
  border: 1px solid var(--border-2);
  padding: 40px 32px;
}
.login-box__label {
  font-family: var(--font-mono);
  font-size: 0.62rem; letter-spacing: 0.2em; text-transform: uppercase;
  color: var(--amber); margin-bottom: 8px;
}
.login-box__title {
  font-family: var(--font-display);
  font-size: 2.2rem; letter-spacing: 0.04em; text-transform: uppercase;
  margin-bottom: 32px;
}
.tabs {
  display: grid; grid-template-columns: 1fr 1fr;
  border-bottom: 1px solid var(--border);
  margin-bottom: 28px;
}
.tab-btn {
  background: none; border: none; cursor: pointer;
  font-family: var(--font-mono); font-size: 0.65rem;
  letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--gray); padding: 12px;
  border-bottom: 2px solid transparent;
  transition: color 0.2s, border-color 0.2s;
}
.tab-btn.active { color: var(--white); border-bottom-color: var(--amber); }

.form-group { margin-bottom: 20px; }
.form-label {
  display: block;
  font-family: var(--font-mono); font-size: 0.62rem;
  letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--gray-light); margin-bottom: 8px;
}
.form-input {
  width: 100%;
  background: var(--bg-3); border: 1px solid var(--border-2);
  color: var(--white); padding: 12px 14px;
  font-size: 0.9rem;
  transition: border-color 0.2s;
  outline: none;
}
.form-input:focus { border-color: var(--amber); }
.form-input::placeholder { color: var(--gray); }
.form-divider {
  display: flex; align-items: center; gap: 12px;
  margin: 24px 0;
  font-family: var(--font-mono); font-size: 0.6rem;
  letter-spacing: 0.16em; text-transform: uppercase; color: var(--gray);
}
.form-divider::before, .form-divider::after {
  content: ''; flex: 1; height: 1px; background: var(--border);
}
.form-submit { width: 100%; padding: 14px; font-size: 0.72rem; }
.form-footer {
  margin-top: 20px; text-align: center;
  font-family: var(--font-mono); font-size: 0.6rem;
  letter-spacing: 0.14em; color: var(--gray);
}
.form-footer a { color: var(--amber); }

/* ---- AGENT TYPE SELECTOR (Login) ---- */
.type-selector { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-bottom: 24px; }
.type-option {
  background: none; border: 1px solid var(--border-2); cursor: pointer;
  padding: 16px 12px; text-align: center;
  transition: border-color 0.2s, background 0.2s;
}
.type-option.selected { border-color: var(--amber); background: var(--amber-glow); }
.type-option__icon {
  font-size: 1.4rem; margin-bottom: 6px;
}
.type-option__label {
  font-family: var(--font-mono); font-size: 0.62rem;
  letter-spacing: 0.16em; text-transform: uppercase; color: var(--white);
}
.type-option__sub {
  font-family: var(--font-mono); font-size: 0.55rem;
  color: var(--gray); margin-top: 2px;
}

/* ---- FOOTER ---- */
.footer {
  border-top: 1px solid var(--border);
  padding: 40px 20px;
}
.footer__inner {
  max-width: 1200px; margin: 0 auto;
  display: flex; flex-direction: column; gap: 24px;
}
@media (min-width: 640px) {
  .footer__inner { flex-direction: row; justify-content: space-between; align-items: center; }
}
.footer__logo {
  font-family: var(--font-display);
  font-size: 1.2rem; letter-spacing: 0.05em; color: var(--white);
}
.footer__logo span { color: var(--amber); }
.footer__links {
  display: flex; flex-wrap: wrap; gap: 20px;
}
.footer__link {
  font-family: var(--font-mono); font-size: 0.62rem;
  letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--gray); transition: color 0.2s;
}
.footer__link:hover { color: var(--white); }
.footer__copy {
  font-family: var(--font-mono); font-size: 0.58rem;
  letter-spacing: 0.1em; color: var(--gray);
}

/* ---- MISC ---- */
.page-wrap { padding-top: var(--nav-h); min-height: 100svh; }
.page-hero {
  padding: 60px 0 40px;
  border-bottom: 1px solid var(--border);
}
.breadcrumb {
  font-family: var(--font-mono); font-size: 0.62rem;
  letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--gray); margin-bottom: 12px;
}
.breadcrumb a { color: var(--amber); }

/* ---- NOTICE BANNER ---- */
.notice {
  background: var(--amber-glow);
  border: 1px solid var(--amber-dim);
  padding: 12px 20px;
  font-family: var(--font-mono); font-size: 0.65rem;
  letter-spacing: 0.12em; color: var(--amber);
  display: flex; align-items: center; gap: 10px;
}
.notice::before { content: '//'; opacity: 0.6; }

/* ---- ANIMATIONS ---- */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}
.anim-fadeup { animation: fadeUp 0.6s ease both; }
.anim-delay-1 { animation-delay: 0.1s; }
.anim-delay-2 { animation-delay: 0.2s; }
.anim-delay-3 { animation-delay: 0.35s; }
.anim-delay-4 { animation-delay: 0.5s; }

/* ---- SOCIAL CARDS ---- */
.social-card {
  cursor: default;
}
.social-card__platform {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 14px;
  color: var(--gray-light);
}
.social-card__platform-name {
  font-family: var(--font-mono);
  font-size: .62rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--gray);
}
.social-card__handle {
  font-family: var(--font-display);
  font-size: 1.6rem;
  letter-spacing: .04em;
  text-transform: uppercase;
  color: var(--white);
  margin-bottom: 12px;
  line-height: 1.1;
}
.kickstart-logo { color: var(--white); }
.kickstart-logo span { color: #34D399; }

.social-card__desc {
  font-size: .88rem;
  color: var(--gray-light);
  line-height: 1.7;
  margin-bottom: 14px;
}
.social-card__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.social-card__tag {
  font-family: var(--font-mono);
  font-size: .58rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--gray);
  border: 1px solid var(--border);
  padding: 3px 8px;
}

/* ---- LEGAL PAGES ---- */
.legal-block {
  margin-bottom: 36px;
  padding-bottom: 36px;
  border-bottom: 1px solid var(--border);
}
.legal-block:last-child {
  border-bottom: none;
  padding-bottom: 0;
}
.legal-heading {
  font-family: var(--font-display);
  font-size: 1.1rem;
  letter-spacing: .04em;
  text-transform: uppercase;
  color: var(--white);
  margin-bottom: 12px;
}
.legal-text {
  color: var(--gray-light);
  font-size: .92rem;
  line-height: 1.8;
}

/* ---- SCROLLBAR ---- */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--border-2); }
::-webkit-scrollbar-thumb:hover { background: var(--gray); }

/* ---- MOBILE TWEAKS ---- */
@media (max-width: 480px) {
  .hero__content { padding: 48px 20px 0; }
  .section { padding: 60px 0; }
  .login-box { padding: 32px 20px; }
  .stat { padding-left: 12px; }
}