/* Landing page: layered translucent art, hero, feature grid, template picker. */
.landing { position: relative; min-height: 100vh; overflow: hidden; }
.art-layer {
  position: fixed; inset: 0; z-index: 0; pointer-events: none;
  background-size: cover; background-position: center; opacity: 0.5;
  mask-image: linear-gradient(180deg, rgba(0,0,0,1) 0%, rgba(0,0,0,0.9) 60%, rgba(0,0,0,0.35) 100%);
  -webkit-mask-image: linear-gradient(180deg, rgba(0,0,0,1) 0%, rgba(0,0,0,0.9) 60%, rgba(0,0,0,0.35) 100%);
  transition: opacity 1.2s ease;
}
.art-layer.dusk { background-image: url("../art/dusk-torii.svg"); }
.art-layer.city { background-image: url("../art/neon-city.svg"); opacity: 0; }
.art-vignette { position: fixed; inset: 0; z-index: 0; pointer-events: none;
  background: radial-gradient(1200px 700px at 70% 20%, rgba(139,92,246,0.18), transparent 60%),
              radial-gradient(900px 600px at 15% 80%, rgba(244,114,182,0.14), transparent 60%),
              linear-gradient(180deg, rgba(7,6,13,0.2), rgba(7,6,13,0.9) 80%); }
.petals { position: fixed; inset: 0; z-index: 1; pointer-events: none; overflow: hidden; }
.petal { position: absolute; top: -20px; width: 14px; height: 14px; border-radius: 80% 0 80% 0;
  background: linear-gradient(135deg, #ffd1e0, #f9a8d4); opacity: 0.7; animation: drift linear infinite; }

.nav { position: sticky; top: 0; z-index: 10; display: flex; align-items: center; justify-content: space-between;
  padding: 18px 40px; backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
  background: linear-gradient(180deg, rgba(7,6,13,0.75), rgba(7,6,13,0)); }
.brand { display: flex; align-items: center; gap: 12px; }
.brand-mark { width: 36px; height: 36px; border-radius: 11px; display: grid; place-items: center;
  background: linear-gradient(135deg, var(--violet), var(--rose)); box-shadow: var(--glow-violet); font-family: var(--font-jp); font-weight: 700; color: #fff; }
.brand-name { font-family: var(--font-display); font-weight: 700; font-size: 17px; letter-spacing: -0.01em; }
.brand-name small { display: block; font-family: var(--font-jp); font-size: 10px; letter-spacing: 0.35em; color: var(--ink-2); font-weight: 400; }
.nav-links { display: flex; gap: 6px; align-items: center; }

.hero { position: relative; z-index: 2; max-width: 1180px; margin: 0 auto; padding: 90px 40px 60px; display: grid; grid-template-columns: 1.15fr 0.85fr; gap: 48px; align-items: center; }
.hero h1 { font-size: clamp(40px, 4.8vw, 66px); font-weight: 800; line-height: 1.0; margin: 22px 0 22px; }
.hero h1 .grad { background: linear-gradient(90deg, #fff 0%, var(--violet-2) 40%, var(--rose-2) 100%); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero h1 .outline { color: transparent; -webkit-text-stroke: 1.5px rgba(255,255,255,0.7); }
.hero p.lead { font-size: 18px; color: var(--ink-1); max-width: 560px; line-height: 1.6; }
.hero-cta { display: flex; gap: 12px; margin-top: 32px; flex-wrap: wrap; }
.hero-meta { display: flex; gap: 22px; margin-top: 30px; color: var(--ink-2); font-size: 13px; }
.hero-meta b { color: var(--ink-0); font-weight: 600; }

/* Floating preview board in the hero */
.hero-visual { position: relative; height: 520px; perspective: 1200px; }
.preview-board { position: absolute; inset: 0; border-radius: var(--radius-xl); transform: rotateY(-10deg) rotateX(6deg); transform-style: preserve-3d;
  transition: transform var(--dur-slow) var(--ease-out); background: radial-gradient(circle at 20% 10%, rgba(139,92,246,0.25), transparent 50%), rgba(255,255,255,0.03);
  border: 1px solid var(--glass-border); box-shadow: var(--shadow-2); overflow: hidden; }
.preview-board::before { content: ""; position: absolute; inset: 0; background-image: radial-gradient(rgba(255,255,255,0.12) 1px, transparent 1px); background-size: 22px 22px; opacity: 0.5; }
.hero-visual:hover .preview-board { transform: rotateY(-4deg) rotateX(2deg); }
.pcard { position: absolute; border-radius: 14px; padding: 14px; background: rgba(20,17,38,0.85); border: 1px solid var(--glass-border-hi);
  box-shadow: var(--shadow-1); animation: float 6s ease-in-out infinite; transform: translateZ(40px); }
.pcard h4 { font-size: 13px; margin-bottom: 6px; display: flex; align-items: center; gap: 8px; }
.pcard h4 i { width: 8px; height: 8px; border-radius: 50%; background: var(--accent, var(--violet)); box-shadow: 0 0 10px var(--accent, var(--violet)); }
.pcard p { font-size: 12px; color: var(--ink-2); line-height: 1.45; }
.pcard .stat { display: inline-grid; place-items: center; width: 44px; height: 48px; border-radius: 10px; background: rgba(255,255,255,0.05); border: 1px solid var(--glass-border); margin: 4px 4px 0 0; }
.pcard .stat b { font-family: var(--font-display); font-size: 16px; } .pcard .stat small { font-size: 9px; color: var(--ink-2); letter-spacing: 0.1em; }
.plink { position: absolute; inset: 0; pointer-events: none; }
.plink path { fill: none; stroke: url(#plinkgrad); stroke-width: 2; stroke-dasharray: 6 6; animation: dash 3s linear infinite; }
@keyframes dash { to { stroke-dashoffset: -48; } }

.section { position: relative; z-index: 2; max-width: 1180px; margin: 0 auto; padding: 60px 40px; }
.section h2 { font-size: clamp(30px, 4vw, 44px); font-weight: 800; margin: 14px 0 12px; }
.section .sub { color: var(--ink-2); max-width: 600px; font-size: 16px; }
.features { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: 36px; }
.feature { position: relative; padding: 26px; border-radius: var(--radius-l); overflow: hidden; transition: transform var(--dur-mid) var(--ease-spring), border-color var(--dur-fast), box-shadow var(--dur-mid); }
.feature::after { content: ""; position: absolute; inset: 0; background: radial-gradient(400px 200px at var(--mx, 50%) var(--my, 0%), rgba(var(--accent-rgb, 139,92,246), 0.18), transparent 60%); opacity: 0; transition: opacity var(--dur-mid); pointer-events: none; }
.feature:hover { transform: translateY(-6px); border-color: rgba(var(--accent-rgb, 139,92,246), 0.5); box-shadow: 0 20px 50px rgba(0,0,0,0.45), 0 0 0 1px rgba(var(--accent-rgb,139,92,246),0.25); }
.feature:hover::after { opacity: 1; }
.feature .icon { width: 46px; height: 46px; border-radius: 14px; display: grid; place-items: center; margin-bottom: 18px;
  background: linear-gradient(135deg, rgba(var(--accent-rgb,139,92,246),0.35), rgba(var(--accent-rgb,139,92,246),0.08)); border: 1px solid rgba(var(--accent-rgb,139,92,246),0.4); color: var(--accent-2); }
.feature .icon svg { width: 22px; height: 22px; }
.feature h3 { font-size: 18px; margin-bottom: 8px; }
.feature p { color: var(--ink-2); font-size: 14px; line-height: 1.55; }
.feature .jp { position: absolute; top: 18px; right: 20px; font-family: var(--font-jp); font-size: 11px; letter-spacing: 0.25em; color: var(--ink-3); }

.templates { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-top: 32px; }
.tpl { text-align: left; padding: 22px; border-radius: var(--radius-l); position: relative; overflow: hidden; min-height: 180px; display: flex; flex-direction: column; justify-content: flex-end;
  transition: transform var(--dur-mid) var(--ease-spring), box-shadow var(--dur-mid), border-color var(--dur-fast); }
.tpl .emoji { font-size: 32px; position: absolute; top: 16px; left: 18px; line-height: 1; filter: drop-shadow(0 6px 14px rgba(0,0,0,0.5)); transition: transform var(--dur-mid) var(--ease-spring); }
.tpl:hover { transform: translateY(-6px) scale(1.01); box-shadow: var(--shadow-2), 0 0 0 1px rgba(var(--accent-rgb,139,92,246),0.4); border-color: rgba(var(--accent-rgb,139,92,246),0.5); }
.tpl:hover .emoji { transform: scale(1.2) rotate(-8deg); }
.tpl h3 { font-size: 17px; margin-bottom: 4px; }
.tpl p { font-size: 13px; color: var(--ink-2); }
.tpl .go { position: absolute; right: 16px; bottom: 16px; width: 32px; height: 32px; border-radius: 50%; display: grid; place-items: center; background: var(--accent, var(--violet)); color: #fff; opacity: 0; transform: translateX(8px); transition: all var(--dur-mid) var(--ease-spring); }
.tpl:hover .go { opacity: 1; transform: translateX(0); }

.footer { position: relative; z-index: 2; padding: 40px; text-align: center; color: var(--ink-3); font-size: 13px; }
@media (max-width: 960px) {
  .hero { grid-template-columns: 1fr; padding-top: 50px; } .hero-visual { height: 420px; }
  .features { grid-template-columns: 1fr; } .templates { grid-template-columns: repeat(2, 1fr); } .nav { padding: 14px 20px; } .section, .hero { padding-left: 20px; padding-right: 20px; }
}