:root{
    --bg: #030407;
    --bg-elevated: #0B111C;
    --bg-card: rgba(255,255,255,0.035);
    --border-soft: rgba(255,255,255,0.08);
    --text: #EAEEF6;
    --text-dim: #8A94A6;
    --text-dimmer: #5C6577;

    --green: #34D399;
    --green-soft: rgba(52,211,153,0.14);
    --orange: #FB923C;
    --orange-soft: rgba(251,146,60,0.14);
    --blue: #60A5FA;
    --blue-soft: rgba(96,165,250,0.14);
    --cyan: #22D3EE;
    --cyan-soft: rgba(34,211,238,0.14);
    --violet: #A78BFA;
    --violet-soft: rgba(167,139,250,0.14);
    --gold: #FBBF24;
    --gold-soft: rgba(251,191,36,0.14);
    --pink: #F472B6;
    --pink-soft: rgba(244,114,182,0.14);
    --slate: #93A4BD;
    --slate-soft: rgba(147,164,189,0.14);
  }

  *{ box-sizing: border-box; }
  html{ scroll-behavior: smooth; }
  body{
    margin:0;
    background: var(--bg);
    color: var(--text);
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
  }
  .num{ font-family: 'Space Grotesk', 'Inter', sans-serif; }

  a{ color: inherit; text-decoration: none; }
  button{ font-family: inherit; cursor: pointer; }

  @media (prefers-reduced-motion: reduce){
    *{ animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; }
  }

  ::selection{ background: var(--cyan); color: #04121A; }

  /* ---------- Ambient aurora backdrop ---------- */
  .aurora-field{
    position: fixed;
    inset: 0;
    z-index: 0;
    overflow: hidden;
    pointer-events: none;
  }
  .aurora-field::before{
    content:"";
    position: absolute;
    top: -30%;
    left: 50%;
    width: 160%;
    height: 90%;
    transform: translateX(-50%);
    background:
      radial-gradient(ellipse 45% 60% at 30% 20%, rgba(52,211,153,0.11), transparent 60%),
      radial-gradient(ellipse 40% 55% at 70% 10%, rgba(34,211,238,0.09), transparent 60%),
      radial-gradient(ellipse 35% 50% at 50% 30%, rgba(167,139,250,0.07), transparent 60%);
    filter: blur(60px);
    animation: driftAurora 22s ease-in-out infinite alternate;
  }
  @keyframes driftAurora{
    0%{ transform: translateX(-52%) translateY(0) rotate(0deg); }
    100%{ transform: translateX(-48%) translateY(2%) rotate(1.5deg); }
  }
  /* Ciel étoilé — fond noir avec étoiles qui scintillent doucement */
  .stars{
    position: fixed;
    inset: -10%;
    z-index: 0;
    pointer-events: none;
    background-image:
      radial-gradient(1px 1px at 8% 15%, rgba(255,255,255,.7), transparent 60%),
      radial-gradient(1px 1px at 22% 68%, rgba(255,255,255,.5), transparent 60%),
      radial-gradient(1.5px 1.5px at 38% 32%, rgba(255,255,255,.65), transparent 60%),
      radial-gradient(1px 1px at 52% 80%, rgba(255,255,255,.4), transparent 60%),
      radial-gradient(1px 1px at 64% 12%, rgba(255,255,255,.55), transparent 60%),
      radial-gradient(1.5px 1.5px at 78% 55%, rgba(255,255,255,.6), transparent 60%),
      radial-gradient(1px 1px at 88% 25%, rgba(255,255,255,.45), transparent 60%),
      radial-gradient(1px 1px at 12% 90%, rgba(255,255,255,.4), transparent 60%),
      radial-gradient(1.5px 1.5px at 95% 75%, rgba(255,255,255,.5), transparent 60%),
      radial-gradient(1px 1px at 45% 5%, rgba(255,255,255,.5), transparent 60%);
    background-repeat: repeat;
    background-size: 380px 380px;
    opacity: .75;
    animation: starsTwinkle 6s ease-in-out infinite alternate, starsDrift 240s linear infinite;
  }
  @keyframes starsTwinkle{ from{ opacity:.5; } to{ opacity:.85; } }
  @keyframes starsDrift{ from{ background-position: 0 0; } to{ background-position: -380px -280px; } }
  .grain{
    position: fixed; inset:0; z-index:1; pointer-events:none; opacity:0.025;
    background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  }

  .wrap{ position: relative; z-index: 2; max-width: 1180px; margin: 0 auto; padding: 0 24px; }

  /* ---------- Glass card base ---------- */
  .glass{
    background: var(--bg-card);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    border: 1px solid var(--border-soft);
    border-radius: 20px;
  }

  /* ---------- Header ---------- */
  header{ padding: 56px 0 40px; }
  .header-row{
    display:flex; justify-content: space-between; align-items: flex-start; gap: 32px; flex-wrap: wrap;
  }
  .brand-mark{
    display:flex; align-items:center; gap:10px; margin-bottom:18px;
  }
  .brand-dot{
    width:9px; height:9px; border-radius:50%;
    background: var(--green);
    box-shadow: 0 0 12px 2px var(--green);
    animation: pulseDot 2.4s ease-in-out infinite;
  }
  @keyframes pulseDot{ 0%,100%{ opacity:1; } 50%{ opacity:0.35; } }
  .brand-eyebrow{ font-size:12px; letter-spacing:0.16em; text-transform:uppercase; color: var(--text-dim); font-weight:600; }

  h1.title{
    font-family:'Space Grotesk', sans-serif;
    font-size: clamp(2.4rem, 5.4vw, 3.6rem);
    font-weight: 700;
    letter-spacing: -0.02em;
    margin: 0 0 14px;
    background: linear-gradient(120deg, #FFFFFF 0%, #C9D6E8 55%, #8FA6C4 100%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
  }
  .subtitle{
    font-size: 16px; color: var(--text-dim); max-width: 460px; line-height:1.6; font-weight: 400;
  }

  .status-card{
    min-width: 300px;
    padding: 22px 24px;
    position: relative;
    overflow: hidden;
  }
  .status-card::before{
    content:"";
    position:absolute; inset:0;
    background: linear-gradient(120deg, rgba(52,211,153,0.10), rgba(34,211,238,0.06) 40%, transparent 70%);
    pointer-events:none;
  }
  .status-head{
    display:flex; align-items:center; justify-content:space-between; margin-bottom:16px;
  }
  .status-label{ font-size:12px; letter-spacing:0.1em; text-transform:uppercase; color: var(--text-dim); font-weight:600; display:flex; align-items:center; gap:8px; }
  .live-pill{
    display:flex; align-items:center; gap:6px;
    font-size: 11px; font-weight:600; color: var(--green);
    background: var(--green-soft);
    border: 1px solid rgba(52,211,153,0.3);
    padding: 4px 10px; border-radius: 999px;
  }
  .live-pill .dot{ width:6px; height:6px; border-radius:50%; background: var(--green); animation: pulseDot 1.8s infinite; }

  .status-grid{ display:grid; grid-template-columns: repeat(3, 1fr); gap: 14px; position: relative; }
  .status-item .k{ font-size:11px; color: var(--text-dimmer); font-weight:600; letter-spacing:0.06em; text-transform:uppercase; margin-bottom:6px; display:flex; align-items:center; gap:5px;}
  .status-item .v{ font-size: 22px; font-weight:600; letter-spacing:-0.01em; }
  .status-item.kp .v{ color: var(--green); }
  .status-item.bz .v{ color: var(--cyan); }
  .status-item.wind .v{ color: var(--violet); }
  .status-updated{ margin-top:16px; font-size:12px; color: var(--text-dimmer); position:relative; }

  /* ---------- Main nav grid ---------- */
  .grid-cards{
    display:grid; grid-template-columns: repeat(2, 1fr); gap: 18px;
    margin: 46px 0 56px;
  }
  .nav-card{
    position: relative;
    min-height: 172px;
    padding: 24px 26px;
    display:flex; flex-direction:column; justify-content:space-between;
    transition: transform .3s cubic-bezier(.2,.8,.2,1), box-shadow .3s ease, border-color .3s ease;
    overflow:hidden;
    isolation: isolate;
  }
  .nav-card::before{
    content:"";
    position:absolute; inset:0; z-index:-1;
    background: radial-gradient(120px 90px at 85% -10%, var(--accent-soft), transparent 70%);
    opacity: 0.9;
  }
  .nav-card:hover{
    transform: translateY(-6px);
    border-color: var(--accent);
    box-shadow: 0 16px 40px -12px var(--accent-soft), 0 0 0 1px var(--accent-soft);
  }
  .nav-card .icon-badge{
    width:44px; height:44px; border-radius:13px;
    display:flex; align-items:center; justify-content:center;
    background: var(--accent-soft);
    border: 1px solid color-mix(in srgb, var(--accent) 35%, transparent);
    color: var(--accent);
    transition: transform .3s ease;
  }
  .nav-card:hover .icon-badge{ transform: scale(1.08) rotate(-4deg); }
  .nav-card .icon-badge svg{ width:22px; height:22px; }
  .nav-card h3{ font-size: 17px; font-weight:600; margin: 16px 0 6px; letter-spacing:-0.01em; color: #FFFFFF !important; }
  .nav-card p{ font-size: 13.5px; color: var(--text-dim); line-height:1.55; margin:0; }
  .nav-card .go{
    position:absolute; top:24px; right:24px;
    color: var(--text-dimmer); transition: transform .3s ease, color .3s ease;
  }
  .nav-card:hover .go{ transform: translate(3px,-3px); color: var(--accent); }
  .nav-card .cta-btn{
    margin-top:14px; align-self:flex-start;
    font-size:12.5px; font-weight:700; letter-spacing:0.04em;
    padding: 9px 18px; border-radius: 10px;
    color: var(--bg);
    background: var(--accent);
    border:none;
    box-shadow: 0 0 0 rgba(0,0,0,0);
    transition: box-shadow .3s ease, transform .2s ease;
  }
  .nav-card .cta-btn:hover{ box-shadow: 0 8px 22px -6px var(--accent); transform: translateY(-1px); }

  .card-green{ --accent: var(--green); --accent-soft: var(--green-soft); }
  .card-orange{ --accent: var(--orange); --accent-soft: var(--orange-soft); }
  .card-blue{ --accent: var(--blue); --accent-soft: var(--blue-soft); }
  .card-cyan{ --accent: var(--cyan); --accent-soft: var(--cyan-soft); }
  .card-violet{ --accent: var(--violet); --accent-soft: var(--violet-soft); }
  .card-gold{ --accent: var(--gold); --accent-soft: var(--gold-soft); }
  .card-pink{ --accent: var(--pink); --accent-soft: var(--pink-soft); }
  .card-slate{ --accent: var(--slate); --accent-soft: var(--slate-soft); }

  .nav-card.wide-note{ font-size: 11.5px; color: var(--text-dimmer); }
  .tag-list{ display:flex; flex-wrap:wrap; gap:6px; margin-top:12px; }
  .tag-list span{
    font-size:11px; color: var(--text-dim); background: rgba(255,255,255,0.045);
    border: 1px solid var(--border-soft); padding:3px 9px; border-radius:999px;
  }

  /* ---------- Live data panel ---------- */
  .panel{ padding: 34px 30px; margin-bottom: 56px; }
  .panel-head{ display:flex; align-items:center; justify-content:space-between; margin-bottom: 26px; flex-wrap:wrap; gap:12px; }
  .panel-head h2{ font-family:'Space Grotesk',sans-serif; font-size:22px; font-weight:600; margin:0; letter-spacing:-0.01em; color: #FFFFFF !important; }
  .panel-link{ font-size:13px; color: var(--cyan); font-weight:600; display:flex; align-items:center; gap:5px; transition: gap .2s ease; }
  .panel-link:hover{ gap:9px; }

  .metrics-grid{ display:grid; grid-template-columns: repeat(4,1fr); gap:16px; }
  .metric{
    display:block;
    padding: 22px; border-radius: 16px;
    background: rgba(255,255,255,0.025);
    border: 1px solid var(--border-soft);
    transition: border-color .25s ease, transform .25s ease;
    cursor: pointer;
  }
  .metric:hover{ transform: translateY(-3px); border-color: var(--m-accent); }
  .metric .m-label{ font-size:11.5px; color: var(--text-dim); font-weight:600; letter-spacing:0.06em; text-transform:uppercase; margin-bottom:14px; display:flex; align-items:center; gap:6px; }
  .metric .m-value{ font-size: 34px; font-weight:700; letter-spacing:-0.02em; line-height:1; }
  .metric .m-unit{ font-size:13px; color: var(--text-dimmer); margin-left:4px; font-weight:500; }
  .metric .m-badge{
    display:inline-block; margin-top:14px; font-size:11px; font-weight:700;
    padding: 4px 10px; border-radius: 999px;
    background: var(--m-accent-soft); color: var(--m-accent);
    border: 1px solid color-mix(in srgb, var(--m-accent) 35%, transparent);
  }
  .metric.kp{ --m-accent: var(--green); --m-accent-soft: var(--green-soft); }
  .metric.wind{ --m-accent: var(--violet); --m-accent-soft: var(--violet-soft); }
  .metric.bz{ --m-accent: var(--cyan); --m-accent-soft: var(--cyan-soft); }
  .metric.density{ --m-accent: var(--orange); --m-accent-soft: var(--orange-soft); }

  /* ---------- Lower section ---------- */
  .lower-grid{ display:grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-bottom: 60px; }
  .lower-card{ padding: 26px; display:flex; flex-direction:column; }
  .lower-card h3{ font-size:15px; font-weight:600; margin:0 0 18px; display:flex; align-items:center; gap:8px; color: #FFFFFF !important; }
  .lower-card h3 svg{ width:17px; height:17px; color: var(--text-dim); }

  .chart-box{ height: 130px; margin-bottom: 6px; }
  .forecast-legend{ display:flex; justify-content:space-between; font-size:10.5px; color: var(--text-dimmer); margin-top:6px; }

  .webcam-thumb{
    position:relative; height:130px; border-radius:14px; overflow:hidden; margin-bottom:14px;
    background: linear-gradient(160deg, #0B1420 0%, #0E2A28 45%, #14312B 65%, #0B1420 100%);
  }
  .webcam-thumb .wc-glow{
    position:absolute; inset:0;
    background: radial-gradient(ellipse 70% 60% at 50% 30%, rgba(52,211,153,0.35), transparent 65%);
    filter: blur(4px);
    animation: driftAurora 9s ease-in-out infinite alternate;
  }
  .webcam-thumb .wc-tag{
    position:absolute; bottom:10px; left:10px;
    font-size:10.5px; font-weight:600; color:#fff;
    background: rgba(0,0,0,0.45); border:1px solid rgba(255,255,255,0.15);
    padding: 4px 9px; border-radius: 999px; backdrop-filter: blur(6px);
  }
  .webcam-thumb .wc-live{
    position:absolute; top:10px; right:10px; display:flex; align-items:center; gap:5px;
    font-size:10px; font-weight:700; color:#fff; background: rgba(230,40,40,0.85);
    padding:3px 8px; border-radius:999px;
  }
  .btn-outline{
    margin-top:auto; text-align:center; font-size:12.5px; font-weight:600;
    padding: 10px 16px; border-radius: 10px;
    border: 1px solid var(--border-soft); color: var(--text);
    transition: border-color .25s ease, background .25s ease;
  }
  .btn-outline:hover{ border-color: var(--cyan); background: var(--cyan-soft); }

  .gauge-wrap{ display:flex; flex-direction:column; align-items:center; margin-top:4px; }
  .gauge-value{ margin-top:-84px; text-align:center; }
  .gauge-value .g-num{ font-size:26px; font-weight:700; letter-spacing:0.02em; color: var(--green); }
  .gauge-value .g-lat{ font-size:11px; color: var(--text-dim); margin-top:2px; }

  /* ---------- Banner ---------- */
  .banner{
    position:relative; overflow:hidden;
    border-radius: 22px;
    padding: 46px 40px;
    margin-bottom: 60px;
    background: linear-gradient(120deg, #0E2B22 0%, #0B1420 60%, #0E2B22 120%);
    border: 1px solid rgba(52,211,153,0.25);
    display:flex; align-items:center; justify-content:space-between; gap:24px; flex-wrap:wrap;
  }
  .banner::before{
    content:""; position:absolute; inset:0;
    background: radial-gradient(ellipse 60% 90% at 15% 30%, rgba(52,211,153,0.22), transparent 60%),
                radial-gradient(ellipse 50% 80% at 85% 70%, rgba(34,211,238,0.14), transparent 60%);
    animation: driftAurora 14s ease-in-out infinite alternate;
  }
  .banner-text{ position:relative; max-width:520px; }
  .banner-text h3{ font-family:'Space Grotesk',sans-serif; font-size: 24px; margin:0 0 8px; font-weight:600; color: #FFFFFF !important; }
  .banner-text p{ margin:0; color: var(--text-dim); font-size:14.5px; }
  .banner-btn{
    position:relative;
    background: var(--green); color:#04140E; font-weight:700; font-size:13.5px;
    padding: 14px 26px; border-radius: 12px; border:none; letter-spacing:0.03em;
    display:flex; align-items:center; gap:8px; white-space:nowrap;
    transition: transform .25s ease, box-shadow .25s ease;
  }
  .banner-btn:hover{ transform: translateY(-2px); box-shadow: 0 10px 28px -6px rgba(52,211,153,0.55); }
  .banner-btn:disabled{ opacity: 0.7; cursor: default; transform:none; box-shadow:none; }

  /* ---------- Footer ---------- */
  footer{ padding: 20px 0 50px; border-top: 1px solid var(--border-soft); }
  .footer-row{ display:flex; align-items:center; justify-content:space-between; flex-wrap:wrap; gap:20px; padding-top:32px; }
  .footer-brand{ display:flex; align-items:center; gap:9px; font-family:'Space Grotesk',sans-serif; font-weight:600; font-size:15px; color: #FFFFFF !important; }
  .footer-brand .dot{ width:7px; height:7px; border-radius:50%; background: var(--green); box-shadow:0 0 10px 1px var(--green); }
  .social-row{ display:flex; gap:10px; }
  .social-row a{
    width:38px; height:38px; border-radius:11px; display:flex; align-items:center; justify-content:center;
    border:1px solid var(--border-soft); color: var(--text-dim);
    transition: color .25s ease, border-color .25s ease, transform .25s ease;
  }
  .social-row a:hover{ color: var(--cyan); border-color: var(--cyan); transform: translateY(-2px); }
  .social-row a svg{ width:17px; height:17px; }
  .copyright{ font-size:12px; color: var(--text-dimmer); margin-top: 22px; }

  /* ---------- Responsive ---------- */
  @media (max-width: 900px){
    .metrics-grid{ grid-template-columns: repeat(2,1fr); }
    .lower-grid{ grid-template-columns: 1fr; }
  }
  @media (max-width: 760px){
    .header-row{ flex-direction:column; }
    .status-card{ width:100%; min-width: 0; }
    .grid-cards{ grid-template-columns: 1fr; }
    .metrics-grid{ grid-template-columns: 1fr 1fr; }
    .banner{ flex-direction:column; align-items:flex-start; }
    .banner-btn{ width:100%; justify-content:center; }
    .nav-card .cta-btn{ width:100%; text-align:center; }
  }

  /* Très petits écrans (iPhone SE, petits Android) */
  @media (max-width: 420px){
    .wrap{ padding: 0 16px; }
    header{ padding: 40px 0 28px; }
    h1.title{ font-size: 2rem; }
    .status-grid{ grid-template-columns: 1fr; gap: 12px; }
    .status-card{ padding: 18px 18px; }
    .nav-card{ min-height: auto; padding: 20px; }
    .panel{ padding: 24px 18px; }
    .metrics-grid{ grid-template-columns: 1fr; }
    .lower-card{ padding: 20px; }
    .banner{ padding: 30px 22px; }
    .banner-text h3{ font-size: 20px; }
    .footer-row{ flex-direction: column; align-items: flex-start; }
  }