@import url('https://fonts.googleapis.com/css2?family=Oxanium:wght@200;300;400;600;700;800&family=Noto+Serif:ital,wght@0,300;0,400;1,300&display=swap');

:root {
  --void: #010608;
  --deep: #020d10;
  --surface: #041418;
  --ice: #4ae8d8;
  --ice-dim: rgba(74,232,216,0.08);
  --ice-border: rgba(74,232,216,0.18);
  --aqua: #20c0c0;
  --teal: #0a9090;
  --pale: #a0f0e8;
  --methane: #2ae8f0;
  --rings: rgba(140,220,220,0.35);
  --text: #3a8888;
  --text-bright: #90d8d0;
  --text-dim: #143030;
  --border: rgba(74,232,216,0.15);
}

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}

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

#ur-canvas{position:fixed;inset:0;z-index:0;pointer-events:none;}

body::before{content:'';position:fixed;inset:0;background:radial-gradient(ellipse 70% 50% at 50% 50%, rgba(74,232,216,0.03) 0%, transparent 70%);z-index:1;pointer-events:none;}

.wrap{position:relative;z-index:2;max-width:1040px;margin:0 auto;padding:0 28px 90px;}

/* ── HERO : tilted layout matching the planet's axial tilt ── */
.hero{padding:68px 0 54px;display:grid;grid-template-columns:1fr 280px;gap:44px;align-items:center;border-bottom:1px solid var(--border);margin-bottom:58px;}
.hero-tag{font-size:0.6rem;letter-spacing:5px;text-transform:uppercase;color:var(--ice);opacity:0.55;margin-bottom:14px;font-weight:300;}
.hero h1{font-size:clamp(4rem,12vw,8rem);font-weight:800;line-height:0.85;color:var(--pale);letter-spacing:-1px;text-transform:uppercase;}
.hero h1 em{display:block;font-size:0.2em;font-style:normal;font-weight:200;letter-spacing:8px;color:var(--teal);margin-top:12px;text-transform:uppercase;}
.hero-desc{font-family:'Noto Serif',serif;font-size:0.95rem;line-height:1.85;color:var(--text);font-weight:300;font-style:italic;margin-top:18px;}

/* ── Uranus with tilted rings ── */
.uranus-wrap{position:relative;width:260px;height:260px;}
#uranus-vis{
  width:200px;height:200px;border-radius:50%;position:absolute;top:30px;left:30px;
  background:radial-gradient(circle at 42% 38%, #a0f8f0 0%, #40d8d0 25%, #10a0a0 55%, #046868 80%, #021a1a 100%);
  box-shadow:0 0 40px rgba(74,232,216,0.2),0 0 80px rgba(40,200,200,0.1),inset -24px -18px 40px rgba(0,0,0,0.4);
  transform:rotate(−7deg);
}
.ur-ring{position:absolute;top:50%;left:50%;border-radius:50%;border:1px solid var(--rings);transform:translate(-50%,-50%);animation:ur-ring-tilt 20s ease-in-out infinite alternate;}

@keyframes ur-ring-tilt{
  0%{transform:translate(-50%,-50%) rotate(97deg) scaleY(0.22);}
  100%{transform:translate(-50%,-50%) rotate(97deg) scaleY(0.28);}
}

/* ── Tilt gauge ── */
.tilt-gauge{background:var(--deep);border:1px solid var(--border);border-radius:4px;padding:18px 22px;margin-bottom:56px;display:flex;align-items:center;gap:24px;}
.tg-label{font-size:0.6rem;letter-spacing:3px;text-transform:uppercase;color:var(--ice);opacity:0.55;margin-bottom:4px;}
.tg-value{font-size:2.5rem;font-weight:800;color:var(--pale);line-height:1;}
.tg-desc{font-family:'Noto Serif',serif;font-size:0.88rem;color:var(--text);font-style:italic;line-height:1.6;}
#tilt-canvas{display:block;}

/* ── Stats ── */
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(145px,1fr));border:1px solid var(--border);border-radius:3px;overflow:hidden;margin-bottom:56px;}
.stat{padding:18px 12px;background:var(--deep);border-right:1px solid var(--border);transition:background 0.2s;}
.stat:last-child{border-right:none;}
.stat:hover{background:var(--ice-dim);}
.s-label{font-size:0.55rem;letter-spacing:2.5px;text-transform:uppercase;color:var(--ice);opacity:0.55;margin-bottom:6px;font-weight:600;}
.s-value{font-size:1.1rem;font-weight:700;color:var(--pale);line-height:1.1;}
.s-unit{font-size:0.6rem;color:var(--text-dim);}

/* ── Sections ── */
.section{margin-bottom:54px;opacity:0;transform:translateY(18px);transition:opacity 0.65s,transform 0.65s;}
.section.visible{opacity:1;transform:none;}
.sh{display:flex;align-items:baseline;gap:14px;margin-bottom:20px;padding-bottom:12px;border-bottom:1px solid var(--border);}
.sn{font-size:0.58rem;letter-spacing:3px;text-transform:uppercase;color:var(--ice);opacity:0.4;font-weight:300;}
.section h2{font-size:1.5rem;font-weight:700;color:var(--pale);text-transform:uppercase;letter-spacing:1px;}
p{font-family:'Noto Serif',serif;font-size:0.94rem;line-height:1.87;color:var(--text);font-weight:300;margin-bottom:14px;}
strong{color:var(--text-bright);font-weight:600;font-family:'Oxanium',sans-serif;}

/* ── Composition ── */
.comp-row{display:grid;grid-template-columns:120px 1fr 60px;align-items:center;gap:14px;margin-bottom:10px;}
.comp-label{font-size:0.78rem;font-weight:600;color:var(--text-bright);}
.comp-track{height:5px;background:var(--surface);border-radius:3px;overflow:hidden;}
.comp-fill{height:100%;border-radius:3px;width:0;transition:width 1.2s cubic-bezier(.4,0,.2,1);}
.comp-val{font-size:0.7rem;color:var(--ice);font-weight:700;text-align:right;}

/* ── Moons grid ── */
.moons-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:12px;margin-top:18px;}
.moon-card{background:var(--deep);border:1px solid var(--border);border-top:2px solid var(--aqua);border-radius:3px;padding:18px;transition:border-top-color 0.2s;}
.moon-card:hover{border-top-color:var(--pale);}
.moon-card h3{font-size:0.9rem;font-weight:700;color:var(--pale);text-transform:uppercase;letter-spacing:1px;margin-bottom:4px;}
.moon-stat{font-size:0.62rem;letter-spacing:2px;color:var(--aqua);margin-bottom:8px;}
.moon-card p{font-family:'Noto Serif',serif;font-size:0.79rem;margin:0;line-height:1.55;}

/* Footer */
.footer-band{margin-top:70px;border-top:1px solid var(--border);padding-top:20px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px;}
.footer-band span{font-size:0.58rem;letter-spacing:2px;color:var(--text-dim);text-transform:uppercase;}

@media(max-width:640px){.hero{grid-template-columns:1fr;} .uranus-wrap{margin:0 auto;} .tilt-gauge{flex-direction:column;}}