/* ── Reset & Base ─────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --green:   #00a550;
  --green2:  #007a3d;
  --gold:    #f5c518;
  --gold2:   #e0a800;
  --dark:    #0d1b2a;
  --card:    #162032;
  --card2:   #1e2d42;
  --border:  #2a3f5a;
  --text:    #e8f0fe;
  --muted:   #8eabc5;
  --red:     #e63946;
  --radius:  14px;
  --shadow:  0 4px 24px rgba(0,0,0,.45);
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Poppins', system-ui, sans-serif;
  background: var(--dark);
  color: var(--text);
  min-height: 100vh;
  overflow-x: hidden;
}

/* ── Header ───────────────────────────────────────────────────────────── */
.site-header {
  background: linear-gradient(135deg, #0d3b1f 0%, #0d1b2a 60%);
  border-bottom: 2px solid var(--green);
  position: sticky; top: 0; z-index: 100;
}

.header-content {
  display: flex; align-items: center; justify-content: space-between;
  padding: .75rem 1.5rem; max-width: 1400px; margin: 0 auto;
}

.logo { display: flex; align-items: center; gap: .75rem; }
.trophy { font-size: 2rem; }
.logo-text { display: flex; flex-direction: column; line-height: 1.1; }
.logo-main { font-size: 1rem; font-weight: 700; color: var(--gold); text-transform: uppercase; letter-spacing: .05em; }
.logo-sub { font-size: 1.5rem; font-weight: 900; color: #fff; }

.header-actions { display: flex; align-items: center; gap: .75rem; }

.btn-reset {
  background: transparent; border: 1.5px solid var(--border);
  color: var(--muted); padding: .4rem .9rem; border-radius: 8px;
  cursor: pointer; font-family: inherit; font-size: .85rem; transition: all .2s;
}
.btn-reset:hover { border-color: var(--red); color: var(--red); }

/* Language selector */
.lang-selector { position: relative; }
.lang-btn {
  background: var(--card2); border: 1.5px solid var(--border); color: var(--text);
  padding: .4rem .9rem; border-radius: 8px; cursor: pointer; font-family: inherit;
  font-size: .85rem; display: flex; align-items: center; gap: .35rem; transition: all .2s;
}
.lang-btn:hover { border-color: var(--green); }
.lang-dropdown {
  display: none; position: absolute; right: 0; top: calc(100% + 6px);
  background: var(--card2); border: 1.5px solid var(--border); border-radius: 10px;
  overflow: hidden; min-width: 160px; box-shadow: var(--shadow); z-index: 200;
}
.lang-dropdown.open { display: block; }
.lang-dropdown button {
  display: block; width: 100%; padding: .6rem 1rem; background: none;
  border: none; color: var(--text); cursor: pointer; font-family: inherit;
  font-size: .9rem; text-align: left; transition: background .15s;
}
.lang-dropdown button:hover { background: var(--border); }

/* ── Ad Banners ───────────────────────────────────────────────────────── */
.ad-banner { background: var(--card); text-align: center; padding: .5rem; }
.ad-placeholder {
  display: inline-flex; align-items: center; justify-content: center;
  border: 1px dashed var(--border); border-radius: 6px;
  width: 100%; max-width: 728px; height: 90px; color: var(--muted); font-size: .8rem;
}
.ad-bottom { margin-top: 2rem; }

/* ── Main Navigation ──────────────────────────────────────────────────── */
.main-nav {
  background: linear-gradient(90deg, var(--card) 0%, var(--card2) 100%);
  border-bottom: 2px solid var(--green);
  padding: 0;
  display: flex;
  overflow-x: auto;
  scrollbar-width: none;
}
.main-nav::-webkit-scrollbar { display: none; }

.nav-container {
  display: flex;
  gap: 0;
  width: 100%;
  max-width: 1400px;
  margin: 0 auto;
}

.nav-btn {
  flex-shrink: 0;
  padding: 1rem 1.25rem;
  background: none;
  border: none;
  color: var(--muted);
  cursor: pointer;
  font-family: inherit;
  font-size: .9rem;
  font-weight: 600;
  transition: all .2s;
  border-bottom: 3px solid transparent;
  white-space: nowrap;
}

.nav-btn:hover {
  color: var(--text);
  background: rgba(0,165,80,.08);
}

.nav-btn.active {
  color: var(--green);
  border-bottom-color: var(--green);
  background: rgba(0,165,80,.12);
}

/* ── Sections ─────────────────────────────────────────────────────────── */
.section { display: none; }
.section.active { display: block; animation: fadeIn .3s ease; }

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ── Stage Navigation ─────────────────────────────────────────────────── */
.stage-nav {
  display: flex; align-items: center; overflow-x: auto; gap: 0;
  padding: 1rem 1rem; background: var(--card);
  border-bottom: 1px solid var(--border);
  scrollbar-width: none;
}
.stage-nav::-webkit-scrollbar { display: none; }

.stage-tab {
  flex-shrink: 0; position: relative;
  padding: .55rem 1.1rem .55rem 2.4rem;
  border-radius: 999px;
  border: 1.5px solid var(--border);
  background: rgba(255,255,255,.02);
  color: var(--muted); cursor: pointer; font-family: inherit;
  font-size: .85rem; font-weight: 600; transition: all .25s;
  white-space: nowrap;
}

/* Step badge (circle on the left of each tab) */
.stage-tab::before {
  content: attr(data-step);
  position: absolute; left: .35rem; top: 50%;
  transform: translateY(-50%);
  width: 1.6rem; height: 1.6rem;
  border-radius: 50%;
  background: var(--border);
  color: var(--muted);
  display: flex; align-items: center; justify-content: center;
  font-size: .75rem; font-weight: 700;
  transition: all .25s;
}

/* LOCKED — previous stage not completed yet */
.stage-tab.locked {
  opacity: .45;
  cursor: not-allowed;
  background: transparent;
  border-style: dashed;
}
.stage-tab.locked::before {
  content: "🔒";
  background: transparent;
  font-size: .85rem;
}

/* COMPLETED — already done, faded "visited" look */
.stage-tab.completed {
  background: rgba(0,165,80,.10);
  border-color: rgba(0,165,80,.35);
  color: rgba(232,240,254,.55);
}
.stage-tab.completed::before {
  content: "✓";
  background: var(--green);
  color: #fff;
  font-size: .9rem;
}
.stage-tab.completed:hover {
  color: var(--text);
  background: rgba(0,165,80,.18);
}

/* AVAILABLE — next stage you can move to */
.stage-tab.available {
  border-color: var(--gold);
  color: var(--text);
  background: rgba(245,197,24,.08);
}
.stage-tab.available::before {
  background: var(--gold);
  color: #0d1b2a;
  animation: stagePulse 1.6s ease-in-out infinite;
}

@keyframes stagePulse {
  0%, 100% { transform: translateY(-50%) scale(1); box-shadow: 0 0 0 0 rgba(245,197,24,.6); }
  50%      { transform: translateY(-50%) scale(1.1); box-shadow: 0 0 0 6px rgba(245,197,24,0); }
}

/* ACTIVE — current stage */
.stage-tab.active {
  background: var(--green);
  color: #fff;
  border-color: var(--green);
  box-shadow: 0 4px 14px rgba(0,165,80,.4);
}
.stage-tab.active::before {
  background: #fff;
  color: var(--green);
}

/* Connector between tabs */
.stage-connector {
  flex-shrink: 0;
  width: 2rem; height: 2px;
  background: var(--border);
  position: relative;
  margin: 0 .1rem;
  transition: background .25s;
}
.stage-connector::after {
  content: "🔒";
  position: absolute; top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  background: var(--card);
  padding: 0 .25rem;
  font-size: .7rem;
}
.stage-connector.completed {
  background: var(--green);
}
.stage-connector.completed::after {
  content: "✓";
  color: var(--green);
  font-weight: 900;
}
.stage-connector.available {
  background: var(--gold);
}
.stage-connector.available::after {
  content: "→";
  color: var(--gold);
  font-weight: 900;
}

/* ── Main Content ─────────────────────────────────────────────────────── */
.main-content { max-width: 1400px; margin: 0 auto; padding: 1.5rem 1rem 3rem; }

.stage-section { display: none; }
.stage-section.active { display: block; }

.stage-title { font-size: 1.6rem; font-weight: 900; margin-bottom: .35rem; }
.stage-desc { color: var(--muted); margin-bottom: 1.5rem; font-size: .95rem; }

/* ── Flag Images ──────────────────────────────────────────────────────── */
.flag-img {
  width: 32px; height: 24px; border-radius: 3px;
  object-fit: cover; object-position: center;
  flex-shrink: 0;
}

/* ── Groups Grid ──────────────────────────────────────────────────────── */
.groups-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1rem;
}

.group-card {
  background: var(--card); border: 1.5px solid var(--border);
  border-radius: var(--radius); overflow: hidden;
  transition: box-shadow .2s;
}
.group-card:hover { box-shadow: var(--shadow); }

.group-header {
  background: linear-gradient(90deg, var(--green2), var(--green));
  padding: .6rem 1rem;
}
.group-badge { font-weight: 700; font-size: 1rem; letter-spacing: .05em; }

.group-teams { padding: .5rem 0; }

.team-row {
  display: flex; align-items: center; gap: .7rem;
  padding: .6rem 1rem; cursor: pointer; transition: background .15s;
  border-left: 3px solid transparent; user-select: none;
}
.team-row:hover { background: var(--card2); }
.team-row.selected { background: rgba(0,165,80,.12); border-left-color: var(--green); }
.team-row:focus-visible { outline: 2px solid var(--gold); outline-offset: -2px; }

.team-name { font-size: .9rem; flex: 1; }

.rank-badge {
  font-size: .7rem; font-weight: 700; border-radius: 4px;
  padding: .15rem .4rem; text-transform: uppercase; letter-spacing: .04em;
  flex-shrink: 0;
}
.rank-badge.first  { background: var(--gold); color: #000; }
.rank-badge.second { background: var(--muted); color: #000; }
.rank-badge.third  { background: #cd7f32; color: #fff; }

/* ── Best 3rd Place ───────────────────────────────────────────────────── */
.best-third-counter {
  background: var(--card2); padding: .75rem 1rem; border-radius: 10px;
  margin-bottom: 1rem; font-weight: 600; display: inline-block;
}

.best-third-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 1rem; margin-bottom: 1.5rem;
}

.best-third-team {
  background: var(--card); border: 2px solid var(--border); border-radius: 10px;
  padding: 1rem; cursor: pointer; transition: all .2s;
  display: flex; flex-direction: column; align-items: center; text-align: center;
  position: relative;
}
.best-third-team:hover { border-color: var(--green); }
.best-third-team.selected {
  background: rgba(0,165,80,.15); border-color: var(--green);
  box-shadow: 0 0 12px rgba(0,165,80,.25);
}

.best-third-team img.flag-img { width: 48px; height: 36px; margin-bottom: .5rem; }
.team-group { font-size: .75rem; color: var(--muted); margin-top: .25rem; }
.checkmark { position: absolute; top: 8px; right: 8px; font-size: 1.5rem; color: var(--green); }

/* ── Bracket ──────────────────────────────────────────────────────────── */
.bracket-container {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1rem;
}
.final-bracket { grid-template-columns: 1fr; max-width: 500px; }

.match-card {
  background: var(--card); border: 1.5px solid var(--border);
  border-radius: var(--radius); padding: 1rem;
  transition: box-shadow .2s;
}
.match-card:hover { box-shadow: var(--shadow); }

.match-label {
  font-size: .75rem; color: var(--muted); text-transform: uppercase;
  letter-spacing: .06em; margin-bottom: .6rem;
}

.match-teams {
  display: flex; align-items: center; gap: .5rem;
}

.vs-label {
  color: var(--muted); font-size: .8rem; font-weight: 700;
  flex-shrink: 0;
}

.team-btn {
  flex: 1; display: flex; flex-direction: column; align-items: center;
  gap: .3rem; padding: .75rem .5rem; border-radius: 10px;
  border: 2px solid var(--border); background: var(--card2);
  color: var(--text); cursor: pointer; font-family: inherit;
  transition: all .2s; text-align: center; position: relative;
}
.team-btn:hover:not([disabled]) {
  border-color: var(--green); background: rgba(0,165,80,.12);
  transform: translateY(-2px);
}
.team-btn.winner {
  border-color: var(--gold); background: rgba(245,197,24,.12);
  box-shadow: 0 0 12px rgba(245,197,24,.25);
}
.team-btn[disabled] { opacity: .4; cursor: not-allowed; }

.btn-name { font-size: .78rem; font-weight: 600; line-height: 1.2; }
.win-star { color: var(--gold); font-size: .85rem; }

/* ── Advance Button ───────────────────────────────────────────────────── */
.stage-action { margin-top: 1.5rem; text-align: center; }

.btn-next {
  background: linear-gradient(90deg, var(--green), var(--green2));
  border: none; color: #fff; padding: .75rem 2rem; border-radius: 30px;
  font-family: inherit; font-size: 1rem; font-weight: 700; cursor: pointer;
  transition: all .2s; box-shadow: 0 4px 16px rgba(0,165,80,.4);
}
.btn-next:hover { transform: translateY(-2px); box-shadow: 0 6px 20px rgba(0,165,80,.5); }
.btn-next:active { transform: translateY(0); }

/* ── Champion Display ─────────────────────────────────────────────────── */
.champion-display { margin-top: 2rem; text-align: center; }
.champion-display.hidden { display: none; }

.champion-card {
  display: inline-block; background: var(--card);
  border: 2px solid var(--gold); border-radius: 20px;
  padding: 2.5rem 3rem; box-shadow: 0 0 40px rgba(245,197,24,.3);
}
.champion-card.pop-in { animation: popIn .5s cubic-bezier(.175,.885,.32,1.275) both; }

@keyframes popIn {
  from { transform: scale(.6); opacity: 0; }
  to   { transform: scale(1); opacity: 1; }
}

.champion-confetti { font-size: 2rem; letter-spacing: .5rem; margin-bottom: .5rem; }
.champion-flag { width: 120px; height: 90px; border-radius: 8px; margin: .5rem 0; }
.champion-name { font-size: 2.2rem; font-weight: 900; color: var(--gold); margin-bottom: .25rem; }
.champion-msg  { font-size: 1.2rem; font-weight: 700; color: #fff; margin-bottom: .25rem; }
.champion-sub  { color: var(--muted); font-size: .9rem; margin-bottom: 1.5rem; }

.champion-actions { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; }

.btn-share {
  background: linear-gradient(90deg, #1da1f2, #0c85d0);
  border: none; color: #fff; padding: .6rem 1.5rem; border-radius: 30px;
  font-family: inherit; font-size: .9rem; font-weight: 700; cursor: pointer;
  transition: all .2s;
}
.btn-share:hover { transform: translateY(-2px); }

.btn-restart {
  background: transparent; border: 2px solid var(--border); color: var(--text);
  padding: .6rem 1.5rem; border-radius: 30px; font-family: inherit;
  font-size: .9rem; font-weight: 700; cursor: pointer; transition: all .2s;
}
.btn-restart:hover { border-color: var(--green); color: var(--green); }

/* ── Guide Section ────────────────────────────────────────────────────── */
.guide-content { max-width: 900px; margin: 0 auto; }

.guide-step {
  display: flex; gap: 1.5rem; margin-bottom: 2rem;
  background: var(--card2); padding: 1.5rem; border-radius: var(--radius);
  border-left: 4px solid var(--green);
}

.step-number {
  font-size: 2.5rem; font-weight: 900; color: var(--gold);
  min-width: 60px; text-align: center;
}

.step-content h3 { font-size: 1.1rem; margin-bottom: .5rem; color: var(--text); }
.step-content p { color: var(--muted); line-height: 1.6; font-size: .95rem; }

.guide-tips {
  background: linear-gradient(90deg, rgba(0,165,80,.1), rgba(245,197,24,.1));
  border: 2px solid var(--border); border-radius: var(--radius);
  padding: 1.5rem; margin: 2rem 0;
}

.guide-tips h3 { margin-bottom: 1rem; color: var(--text); }
.guide-tips ul { list-style: none; padding: 0; }
.guide-tips li {
  padding: .5rem 0 .5rem 1.5rem; color: var(--muted);
  position: relative; font-size: .95rem;
}
.guide-tips li::before {
  content: "✓"; position: absolute; left: 0;
  color: var(--green); font-weight: bold;
}

.guide-action { text-align: center; margin-top: 2rem; }
.btn-start {
  background: linear-gradient(90deg, var(--green), var(--green2));
  border: none; color: #fff; padding: 1rem 2.5rem; border-radius: 30px;
  font-family: inherit; font-size: 1.1rem; font-weight: 700; cursor: pointer;
  transition: all .2s; box-shadow: 0 4px 16px rgba(0,165,80,.4);
}
.btn-start:hover { transform: translateY(-3px); box-shadow: 0 6px 24px rgba(0,165,80,.5); }
.btn-start:active { transform: translateY(-1px); }

/* ── Toast ────────────────────────────────────────────────────────────── */
.toast {
  position: fixed; bottom: 2rem; left: 50%; transform: translateX(-50%) translateY(100px);
  background: var(--card2); border: 1.5px solid var(--green);
  color: var(--text); padding: .75rem 1.5rem; border-radius: 30px;
  font-size: .9rem; font-weight: 600; opacity: 0;
  transition: all .3s; pointer-events: none; z-index: 999; white-space: nowrap;
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

/* ── Legal Pages ──────────────────────────────────────────────────────── */
.legal-section {
  background: transparent;
}

.legal-container {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 1rem;
}

.legal-container h1 {
  font-size: 2rem;
  font-weight: 900;
  margin-bottom: .5rem;
  color: var(--gold);
}

.legal-updated {
  color: var(--muted);
  font-size: .85rem;
  margin-bottom: 2rem;
}

.content-block {
  margin-bottom: 2.5rem;
}

.content-block h2 {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: .75rem;
  color: var(--green);
}

.content-block p {
  color: var(--text);
  line-height: 1.7;
  margin-bottom: 1rem;
  font-size: .95rem;
}

.content-block a {
  color: var(--green);
  text-decoration: none;
  font-weight: 600;
  transition: color .2s;
}

.content-block a:hover {
  color: var(--gold);
}

.content-list {
  list-style: none;
  padding: 0;
  margin: 1rem 0;
}

.content-list li {
  padding: .5rem 0 .5rem 1.5rem;
  position: relative;
  color: var(--text);
  line-height: 1.6;
  font-size: .95rem;
}

.content-list li::before {
  content: "▸";
  position: absolute;
  left: 0;
  color: var(--green);
  font-weight: bold;
}

.content-list strong {
  color: #fff;
  font-weight: 600;
}

/* ── Contact Form ─────────────────────────────────────────────────────── */
.contact-form {
  background: var(--card2);
  padding: 2rem;
  border-radius: var(--radius);
  border: 1.5px solid var(--border);
  margin-bottom: 2rem;
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-group label {
  display: block;
  margin-bottom: .5rem;
  font-weight: 600;
  color: var(--text);
  font-size: .95rem;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: .75rem 1rem;
  background: var(--dark);
  border: 1.5px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  font-family: inherit;
  font-size: .95rem;
  transition: all .2s;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--green);
  box-shadow: 0 0 12px rgba(0,165,80,.2);
}

.btn-submit {
  background: linear-gradient(90deg, var(--green), var(--green2));
  border: none;
  color: #fff;
  padding: .85rem 2rem;
  border-radius: 30px;
  font-family: inherit;
  font-size: .95rem;
  font-weight: 700;
  cursor: pointer;
  transition: all .2s;
  box-shadow: 0 4px 16px rgba(0,165,80,.4);
}

.btn-submit:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0,165,80,.5);
}

.btn-submit:active {
  transform: translateY(0);
}

.form-status {
  padding: 1rem;
  border-radius: 10px;
  margin-top: 1rem;
  text-align: center;
  font-weight: 600;
}

.form-status.hidden {
  display: none;
}

.form-status.success {
  background: rgba(0,165,80,.15);
  border: 1.5px solid var(--green);
  color: var(--green);
}

/* ── Footer ───────────────────────────────────────────────────────────── */
.site-footer {
  text-align: center; padding: 2rem 1.5rem; border-top: 1px solid var(--border);
  color: var(--muted); font-size: .85rem;
}

.footer-links {
  display: flex;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 1rem;
}

.footer-links a {
  color: var(--green);
  text-decoration: none;
  font-weight: 600;
  transition: color .2s;
  font-size: .9rem;
}

.footer-links a:hover {
  color: var(--gold);
}

.footer-sub { font-size: .75rem; margin-top: .75rem; opacity: .6; }

/* ── RTL support ──────────────────────────────────────────────────────── */
[dir="rtl"] .team-row { border-left: none; border-right: 3px solid transparent; }
[dir="rtl"] .team-row.selected { border-right-color: var(--green); }
[dir="rtl"] .lang-dropdown { right: auto; left: 0; }
[dir="rtl"] .toast { direction: rtl; }
[dir="rtl"] .content-list li { padding-left: 0; padding-right: 1.5rem; }
[dir="rtl"] .content-list li::before { left: auto; right: 0; }
[dir="rtl"] .footer-links { justify-content: center; }
[dir="rtl"] .guide-step { border-left: none; border-right: 4px solid var(--green); }

/* ── Responsive ───────────────────────────────────────────────────────── */
@media (max-width: 640px) {
  .header-content { padding: .6rem 1rem; }
  .logo-sub { font-size: 1.2rem; }
  .trophy { font-size: 1.5rem; }
  .stage-title { font-size: 1.3rem; }
  .champion-card { padding: 1.5rem 1.2rem; }
  .champion-flag { width: 80px; height: 60px; }
  .champion-name { font-size: 1.5rem; }
  .bracket-container { grid-template-columns: 1fr; }
  .groups-grid { grid-template-columns: 1fr; }
  .best-third-grid { grid-template-columns: repeat(2, 1fr); }
  .nav-container { gap: 0; }
  .nav-btn { padding: .75rem 1rem; font-size: .8rem; }
  .legal-container h1 { font-size: 1.5rem; }
  .content-block h2 { font-size: 1.1rem; }
  .contact-form { padding: 1.5rem; }
  .footer-links { gap: .75rem; }
}

@media (min-width: 768px) {
  .groups-grid { grid-template-columns: repeat(3, 1fr); }
  .best-third-grid { grid-template-columns: repeat(3, 1fr); }
}

@media (min-width: 1024px) {
  .groups-grid { grid-template-columns: repeat(4, 1fr); }
  .bracket-container { grid-template-columns: repeat(4, 1fr); }
  .best-third-grid { grid-template-columns: repeat(4, 1fr); }
}