:root {
  --bg-deep:       #080c14;
  --bg-panel:      #0e1420;
  --bg-card:       #131927;
  --bg-glass:      rgba(255,255,255,0.04);
  --border:        rgba(255,255,255,0.07);
  --border-bright: rgba(255,255,255,0.15);
  --accent:        #e8002d;
  --accent-soft:   rgba(232,0,45,0.18);
  --gold:          #f5c518;
  --silver:        #b0b7c3;
  --bronze:        #cd7f32;
  --text-primary:  #f0f4ff;
  --text-secondary:#7a8399;
  --text-muted:    #3d4558;
  --nav-h:         64px;
  --radius:        12px;
  --radius-sm:     8px;
  --transition:    0.25s cubic-bezier(.4,0,.2,1);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  font-family: 'Titillium Web', sans-serif;
  background: var(--bg-deep);
  color: var(--text-primary);
  min-height: 100vh;
  overflow-x: hidden;
}

body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.015) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.015) 1px, transparent 1px);
  background-size: 40px 40px;
  pointer-events: none;
  z-index: 0;
}

nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--nav-h);
  background: rgba(8,12,20,0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  padding: 0 24px;
  gap: 8px;
  z-index: 100;
}

.nav-logo {
  font-family: 'Orbitron', sans-serif;
  font-size: 1rem;
  font-weight: 900;
  letter-spacing: 0.12em;
  color: var(--text-primary);
  margin-right: auto;
  display: flex;
  align-items: center;
  gap: 10px;
  white-space: nowrap;
}

.nav-logo .logo-f1 {
  background: var(--accent);
  color: #fff;
  font-size: .72rem;
  padding: 2px 7px;
  border-radius: 4px;
  letter-spacing: .08em;
}

.nav-btn {
  background: transparent;
  border: 1px solid transparent;
  color: var(--text-secondary);
  font-family: 'Titillium Web', sans-serif;
  font-size: .85rem;
  font-weight: 600;
  letter-spacing: .06em;
  padding: 7px 16px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: var(--transition);
  display: flex;
  align-items: center;
  gap: 7px;
  white-space: nowrap;
}

.nav-btn:hover {
  color: var(--text-primary);
  background: var(--bg-glass);
  border-color: var(--border);
}

.nav-btn.active {
  color: var(--text-primary);
  background: var(--accent-soft);
  border-color: rgba(232,0,45,.4);
}

.nav-btn.active i { color: var(--accent); }

.hamburger {
  display: none;
  background: none;
  border: none;
  color: var(--text-primary);
  font-size: 1.4rem;
  cursor: pointer;
  margin-left: auto;
}

.mobile-menu {
  display: none;
  position: fixed;
  top: var(--nav-h);
  left: 0; right: 0;
  background: rgba(8,12,20,0.97);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  padding: 12px;
  flex-direction: column;
  gap: 4px;
  z-index: 99;
}
.mobile-menu.open { display: flex; }
.mobile-menu .nav-btn { justify-content: flex-start; width: 100%; }

main {
  position: relative;
  z-index: 1;
  padding-top: calc(var(--nav-h) + 32px);
  padding-bottom: 60px;
  max-width: 1280px;
  margin: 0 auto;
  padding-left: 24px;
  padding-right: 24px;
}

.section { display: none; animation: fadeIn .35s ease; }
.section.active { display: block; }

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}

.section-header { display: flex; align-items: center; gap: 14px; margin-bottom: 28px; }
.section-header h2 { font-family: 'Orbitron', sans-serif; font-size: 1.3rem; font-weight: 700; letter-spacing: .08em; }

.section-badge {
  background: var(--accent-soft);
  border: 1px solid rgba(232,0,45,.35);
  color: var(--accent);
  font-size: .7rem;
  font-weight: 700;
  letter-spacing: .1em;
  padding: 3px 10px;
  border-radius: 20px;
}

.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  transition: var(--transition);
}
.card:hover { border-color: var(--border-bright); }

.card-title {
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .12em;
  color: var(--text-secondary);
  text-transform: uppercase;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.card-title i { color: var(--accent); }

.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.grid-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 20px; }

.stats-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-bottom: 24px; }
.stat-card { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); padding: 18px 20px; position: relative; overflow: hidden; }
.stat-card::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 2px; background: var(--accent); }
.stat-card .stat-label { font-size: .68rem; letter-spacing: .12em; color: var(--text-secondary); text-transform: uppercase; margin-bottom: 6px; }
.stat-card .stat-value { font-family: 'Orbitron', sans-serif; font-size: 1.6rem; font-weight: 700; color: var(--text-primary); }
.stat-card .stat-sub { font-size: .75rem; color: var(--text-muted); margin-top: 4px; }

.ranking-table { width: 100%; border-collapse: collapse; }
.ranking-table th { font-size: .68rem; letter-spacing: .12em; color: var(--text-secondary); text-transform: uppercase; text-align: left; padding: 10px 14px; border-bottom: 1px solid var(--border); white-space: nowrap; }
.ranking-table th.right, .ranking-table td.right { text-align: right; }
.ranking-table tbody tr { transition: var(--transition); border-bottom: 1px solid var(--border); }
.ranking-table tbody tr:last-child { border-bottom: none; }
.ranking-table tbody tr:hover { background: var(--bg-glass); }
.ranking-table td { padding: 13px 14px; font-size: .9rem; vertical-align: middle; }

.pos-cell { font-family: 'Orbitron', sans-serif; font-size: .85rem; font-weight: 700; width: 40px; text-align: center; }
.pos-1 { color: var(--gold); }
.pos-2 { color: var(--silver); }
.pos-3 { color: var(--bronze); }
.pos-other { color: var(--text-muted); }

.color-dot { display: inline-block; width: 10px; height: 10px; border-radius: 50%; margin-right: 8px; flex-shrink: 0; }
.team-cell { display: flex; align-items: center; }
.team-info .team-name { font-weight: 600; font-size: .88rem; color: var(--text-primary); }
.team-info .team-player { font-size: .72rem; color: var(--text-muted); margin-top: 1px; }

.pilots-cell { display: flex; flex-wrap: wrap; gap: 4px; }
.pilot-tag { background: var(--bg-panel); border: 1px solid var(--border); border-radius: 4px; padding: 2px 8px; font-size: .72rem; color: var(--text-secondary); white-space: nowrap; }
.points-cell { font-family: 'Orbitron', sans-serif; font-size: 1rem; font-weight: 700; }

.chart-wrapper { position: relative; height: 280px; }
.constructor-color { width: 4px; height: 28px; border-radius: 2px; margin-right: 12px; flex-shrink: 0; }

.calendar-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 14px; }
.race-card { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); padding: 18px; position: relative; overflow: hidden; transition: var(--transition); }
.race-card:hover { border-color: var(--border-bright); transform: translateY(-2px); }
.race-card.past { opacity: .55; }
.race-card.next { border-color: rgba(232,0,45,.5); box-shadow: 0 0 0 1px rgba(232,0,45,.2), 0 8px 32px rgba(232,0,45,.12); }
.race-card.next::before { content: 'PROCHAIN GP'; position: absolute; top: 12px; right: 12px; background: var(--accent); color: #fff; font-size: .6rem; font-weight: 700; letter-spacing: .1em; padding: 3px 8px; border-radius: 4px; }
.race-round { font-size: .65rem; color: var(--text-muted); letter-spacing: .1em; text-transform: uppercase; margin-bottom: 6px; }
.race-name { font-family: 'Orbitron', sans-serif; font-size: .85rem; font-weight: 700; margin-bottom: 6px; padding-right: 80px; }
.race-circuit { font-size: .78rem; color: var(--text-secondary); margin-bottom: 10px; display: flex; align-items: center; gap: 6px; }
.race-date { font-size: .8rem; color: var(--text-muted); display: flex; align-items: center; gap: 6px; }
.race-date i { color: var(--accent); font-size: .72rem; }
.race-flag { font-size: 1.2rem; margin-right: 4px; }

.loading-state { display: flex; flex-direction: column; align-items: center; justify-content: center; padding: 48px 24px; gap: 14px; color: var(--text-muted); }
.spinner { width: 32px; height: 32px; border: 3px solid var(--border); border-top-color: var(--accent); border-radius: 50%; animation: spin .8s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
.error-state { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 10px; padding: 30px; background: rgba(239,68,68,.05); border: 1px solid rgba(239,68,68,.2); border-radius: var(--radius); color: #ef4444; font-size: .95rem; margin-bottom: 16px; }

.inner-tabs { display: flex; gap: 4px; margin-bottom: 20px; background: var(--bg-panel); border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 4px; width: fit-content; }
.inner-tab { background: none; border: none; color: var(--text-muted); font-family: 'Titillium Web', sans-serif; font-size: .82rem; font-weight: 600; letter-spacing: .06em; padding: 7px 18px; border-radius: 6px; cursor: pointer; transition: var(--transition); }
.inner-tab.active { background: var(--bg-card); color: var(--text-primary); }

.delta { font-size: .72rem; font-weight: 700; padding: 2px 6px; border-radius: 4px; display: inline-block; }
.delta.up   { background: rgba(34,197,94,.15); color: #22c55e; }
.delta.down { background: rgba(239,68,68,.15); color: #ef4444; }
.delta.same { background: rgba(255,255,255,.06); color: var(--text-muted); }

.pts-bar-wrap { display: flex; align-items: center; gap: 8px; }
.pts-bar { flex: 1; height: 5px; background: var(--bg-panel); border-radius: 3px; overflow: hidden; }
.pts-bar-fill { height: 100%; border-radius: 3px; transition: width .6s cubic-bezier(.4,0,.2,1); }

.podium-row { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 14px; margin-bottom: 24px; }
.podium-card { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); padding: 20px; text-align: center; position: relative; overflow: hidden; transition: var(--transition); }
.podium-card:hover { transform: translateY(-3px); }
.podium-card .podium-pos { font-family: 'Orbitron', sans-serif; font-size: 2rem; font-weight: 900; margin-bottom: 6px; }
.podium-card .podium-ecurie { font-size: .8rem; font-weight: 600; color: var(--text-secondary); margin-bottom: 4px; }
.podium-card .podium-joueur { font-family: 'Orbitron', sans-serif; font-size: .9rem; font-weight: 700; margin-bottom: 10px; }
.podium-card .podium-pts { font-family: 'Orbitron', sans-serif; font-size: 1.4rem; font-weight: 900; }
.podium-card .podium-pts::after { content: ' pts'; font-size: .7rem; font-weight: 400; color: var(--text-muted); }

.podium-card-1 { border-top: 3px solid var(--gold); }
.podium-card-2 { border-top: 3px solid var(--silver); }
.podium-card-3 { border-top: 3px solid var(--bronze); }
.podium-card-1 .podium-pos { color: var(--gold); }
.podium-card-2 .podium-pos { color: var(--silver); }
.podium-card-3 .podium-pos { color: var(--bronze); }

@media (max-width: 900px) {
  .stats-row { grid-template-columns: repeat(2, 1fr); }
  .grid-2, .grid-3 { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  main { padding-left: 14px; padding-right: 14px; }
  nav { padding: 0 14px; }
  nav .nav-btn { display: none; }
  .hamburger { display: block; }
  .nav-logo { font-size: .82rem; }
  .stats-row { grid-template-columns: 1fr 1fr; gap: 10px; }
  .stat-card .stat-value { font-size: 1.2rem; }
  .hide-mobile { display: none !important; }
  .race-name { padding-right: 0; font-size: .78rem; }
  .chart-wrapper { height: 220px; }
  .podium-row { grid-template-columns: 1fr; }
}

/* ============================================================
   GRILLE F1 (FLIPPING CARDS)
============================================================ */
.drivers-cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    width: 100%;
    justify-items: center;
}

.flip-card-container {
    background-color: transparent;
    width: 100%;
    max-width: 300px;
    height: 450px;
    perspective: 1000px;
}

.flip-card-inner {
    position: relative;
    width: 100%;
    height: 100%;
    text-align: center;
    transition: transform 0.8s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    transform-style: preserve-3d;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.4);
    border-radius: 16px;
}

.flip-card-container:hover .flip-card-inner {
    transform: rotateY(180deg);
}

.flip-card-front, .flip-card-back {
    position: absolute;
    width: 100%;
    height: 100%;
    -webkit-backface-visibility: hidden;
    backface-visibility: hidden;
    border-radius: 16px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    border: 2px solid transparent;
}

/* RECTO */
.flip-card-front {
    background: linear-gradient(145deg, var(--bg-card), var(--bg-deep));
}

.flag {
    position: absolute;
    top: 15px;
    left: 15px;
    width: 32px;
    height: auto;
    z-index: 3;
    border-radius: 4px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.5);
}

.driver-photo {
    width: 100%;
    height: 65%;
    background-color: var(--bg-panel);
    background-size: cover;
    background-position: top center;
    position: relative;
}

.driver-number-bg {
    position: absolute;
    bottom: -15px;
    right: 10px;
    font-size: 90px;
    font-weight: 900;
    color: rgba(255, 255, 255, 0.08);
    line-height: 1;
    z-index: 1;
    font-style: italic;
    user-select: none;
    font-family: 'Orbitron', sans-serif;
}

.front-info {
    height: 35%;
    padding: 20px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: flex-start;
    z-index: 2;
    background: linear-gradient(to top, rgba(8,12,20,1) 0%, rgba(8,12,20,0.4) 100%);
}

.front-info h2 {
    margin: 0;
    font-size: 20px;
    font-weight: 400;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-family: 'Titillium Web', sans-serif;
    text-align: left;
}

.front-info h2 strong {
    font-weight: 800;
    color: var(--text-primary);
    display: block;
    font-size: 24px;
}

.front-info p {
    margin: 5px 0 0 0;
    font-size: 13px;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 600;
}

/* VERSO */
.flip-card-back {
    background: linear-gradient(145deg, var(--bg-panel), var(--bg-deep));
    transform: rotateY(180deg);
    padding: 25px 20px;
    align-items: center;
    justify-content: space-between;
}

.team-logo {
    width: auto;
    max-width: 140px;
    height: auto;
    max-height: 50px;
    object-fit: contain;
    margin-top: 10px;
    filter: drop-shadow(0px 4px 4px rgba(0,0,0,0.5));
}

.stats-grid-flip {
    width: 100%;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    margin: 20px 0;
}

.stat-item-flip {
    background-color: var(--bg-glass);
    padding: 12px 5px;
    border-radius: 10px;
    border: 1px solid var(--border);
}

.stat-value-flip {
    display: block;
    font-size: 22px;
    font-weight: 800;
    color: var(--text-primary);
    font-family: 'Orbitron', sans-serif;
}

.stat-label-flip {
    display: block;
    font-size: 10px;
    color: var(--text-secondary);
    text-transform: uppercase;
    margin-top: 5px;
    letter-spacing: 0.5px;
}

.personal-info {
    width: 100%;
    display: flex;
    justify-content: space-around;
    border-top: 1px solid var(--border);
    padding-top: 15px;
    font-size: 13px;
    color: var(--text-secondary);
}