/* ============================================================
   Picosphere — nature meets machine
   ============================================================ */

:root {
    --bg: #0d120d;
    --bg-2: #111711;
    --surface: rgba(233, 230, 218, 0.04);
    --surface-2: rgba(233, 230, 218, 0.07);
    --ink: #e9e6da;
    --muted: #a8ae9c;
    --faint: #6f7665;
    --green: #a9c85a;
    --green-deep: #2a3a18;
    --green-glow: rgba(169, 200, 90, 0.45);
    --copper: #d8925b;
    --copper-glow: rgba(216, 146, 91, 0.45);
    --border: rgba(233, 230, 218, 0.10);
    --radius: 18px;
    --radius-sm: 12px;
    --mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, monospace;
    --ease: cubic-bezier(0.33, 1, 0.68, 1);
}

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

html { scroll-behavior: smooth; }

body {
    font-family: 'Space Grotesk', system-ui, -apple-system, sans-serif;
    background: var(--bg);
    color: var(--ink);
    line-height: 1.7;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

body::before {
    content: "";
    position: fixed; inset: 0; z-index: -2; pointer-events: none;
    background-image:
        linear-gradient(rgba(233, 230, 218, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(233, 230, 218, 0.03) 1px, transparent 1px);
    background-size: 46px 46px;
    -webkit-mask-image: radial-gradient(ellipse 95% 70% at 50% 0%, #000 25%, transparent 80%);
    mask-image: radial-gradient(ellipse 95% 70% at 50% 0%, #000 25%, transparent 80%);
}
body::after {
    content: "";
    position: fixed; inset: 0; z-index: -1; pointer-events: none;
    background:
        radial-gradient(42% 34% at 12% 8%, rgba(169, 200, 90, 0.10), transparent 62%),
        radial-gradient(44% 38% at 88% 82%, rgba(216, 146, 91, 0.10), transparent 62%);
}

h1, h2, h3, h4 {
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 600;
    letter-spacing: -0.01em;
    line-height: 1.12;
}

a { color: var(--green); text-decoration: none; }
img { max-width: 100%; display: block; }

.wrap { max-width: 1080px; margin: 0 auto; padding: 0 1.5rem; }

.kicker {
    font-family: var(--mono);
    font-size: 0.72rem; font-weight: 500;
    letter-spacing: 0.18em; text-transform: uppercase;
    color: var(--green);
    display: inline-block; margin-bottom: 0.9rem;
}
.kicker::before { content: "// "; color: var(--copper); }

.c-copper { color: var(--copper); font-weight: 600; }
.c-green { color: var(--green); font-weight: 600; }

/* ---------- Nav ---------- */
.nav {
    position: fixed; top: 0; left: 0; right: 0; z-index: 100;
    padding: 1.1rem 0;
    transition: background 0.4s var(--ease), box-shadow 0.4s var(--ease), padding 0.4s var(--ease);
}
.nav.scrolled {
    background: rgba(13, 18, 13, 0.82);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    box-shadow: 0 1px 0 rgba(233, 230, 218, 0.08);
    padding: 0.7rem 0;
}
.nav .wrap { display: flex; align-items: center; justify-content: space-between; gap: 1rem; }
.brand {
    font-family: var(--mono);
    font-size: 1.05rem; font-weight: 500;
    letter-spacing: 0.08em; text-transform: uppercase;
    color: var(--ink);
    display: flex; align-items: center; gap: 0.55rem;
}
.brand .dot {
    width: 18px; height: 18px; border-radius: 50%;
    background: radial-gradient(circle at 36% 30%, #e2e7b8, #a9c85a 60%, #2a3a18);
    box-shadow: 0 0 0 1px rgba(216, 146, 91, 0.6), 0 0 14px var(--green-glow);
    display: inline-block;
}
.nav-links { display: flex; align-items: center; gap: 1.75rem; }
.nav-links a {
    color: var(--muted); font-weight: 500; font-size: 0.92rem;
    transition: color 0.25s var(--ease);
}
.nav-links a:hover { color: var(--ink); }
.nav-links a.active { color: var(--green); }
.lang-toggle {
    display: flex; gap: 0.35rem;
    border: 1px solid var(--border); border-radius: 999px;
    padding: 0.22rem; background: var(--surface);
}
.lang-toggle a {
    font-family: var(--mono); font-size: 0.74rem; font-weight: 600;
    padding: 0.3rem 0.7rem; border-radius: 999px; color: var(--faint);
}
.lang-toggle a.active { background: var(--copper); color: #14100a; }
.nav-burger {
    display: none; background: none; border: none; cursor: pointer;
    flex-direction: column; gap: 5px; padding: 0.4rem;
}
.nav-burger span { width: 24px; height: 2px; background: var(--ink); border-radius: 2px; }

/* ---------- Hero ---------- */
.hero {
    position: relative; min-height: 100vh;
    display: flex; align-items: center; justify-content: center;
    text-align: center; padding: 7rem 1.5rem 6rem; overflow: hidden;
}
.orb {
    position: absolute; left: 50%; top: 34%; width: 380px; height: 380px;
    transform: translate(-50%, -50%); pointer-events: none;
}
.orb-core {
    position: absolute; inset: 12%; border-radius: 50%;
    background:
        radial-gradient(circle at 34% 28%, rgba(255, 255, 255, 0.18), transparent 42%),
        radial-gradient(circle at 50% 50%, transparent 50%, rgba(4, 6, 4, 0.66) 100%),
        url('assets/forest.png') center/cover no-repeat;
    box-shadow: 0 0 90px var(--green-glow), inset -20px -24px 50px rgba(0, 0, 0, 0.55);
    animation: breathe 7s ease-in-out infinite;
}
.orb-ring { position: absolute; border-radius: 50%; border: 1px solid rgba(233, 230, 218, 0.20); }
.ring-1 { inset: 4%; border-style: dashed; animation: spin 34s linear infinite; }
.ring-2 { inset: -6%; border-color: rgba(216, 146, 91, 0.35); border-style: dotted; animation: spin 52s linear infinite reverse; }
.sat { position: absolute; inset: 0; animation: spin 14s linear infinite; }
.sat::before {
    content: ""; position: absolute; top: -5px; left: 50%; margin-left: -5px;
    width: 10px; height: 10px; border-radius: 50%;
    background: var(--copper); box-shadow: 0 0 14px var(--copper-glow);
}
@keyframes breathe { 0%, 100% { transform: scale(1); } 50% { transform: scale(1.05); } }
@keyframes spin { to { transform: rotate(360deg); } }

.hero-inner { position: relative; z-index: 1; max-width: 820px; margin-top: 120px; }
.hero-eyebrow {
    font-family: var(--mono); font-size: 0.78rem; font-weight: 500;
    letter-spacing: 0.22em; text-transform: uppercase; color: var(--muted);
    display: inline-block; margin-bottom: 1.3rem;
}
.hero-eyebrow .n { color: var(--green); }
.hero-eyebrow .m { color: var(--copper); }
.hero h1 {
    font-size: clamp(3rem, 9vw, 5.4rem);
    font-weight: 600; letter-spacing: -0.02em;
    margin-bottom: 1.3rem;
    background: linear-gradient(120deg, #e9e6da 25%, #a9c85a 60%, #d8925b 100%);
    -webkit-background-clip: text; background-clip: text;
    -webkit-text-fill-color: transparent;
}
.hero .slogan {
    font-size: clamp(1.3rem, 3.4vw, 1.9rem);
    font-weight: 500; letter-spacing: -0.01em;
    line-height: 1.25; margin-bottom: 1.1rem;
}
.hero .sub { color: var(--muted); max-width: 560px; margin: 0 auto 2.3rem; }
.hero-cta { display: flex; gap: 0.9rem; justify-content: center; flex-wrap: wrap; }

.scroll-hint {
    position: absolute; bottom: 2rem; left: 50%; transform: translateX(-50%);
    z-index: 1; color: var(--faint);
    font-family: var(--mono); font-size: 0.7rem; letter-spacing: 0.14em;
    display: flex; flex-direction: column; align-items: center; gap: 0.5rem;
}
.scroll-hint .line { width: 1px; height: 34px; background: var(--faint); animation: pulse 2s ease-in-out infinite; }
@keyframes pulse { 0%, 100% { opacity: 0.25; } 50% { opacity: 1; } }

/* ---------- Buttons ---------- */
.btn {
    display: inline-flex; align-items: center; gap: 0.55rem;
    padding: 0.9rem 1.7rem; border-radius: 999px;
    font-weight: 600; font-size: 0.95rem;
    transition: transform 0.25s var(--ease), box-shadow 0.25s var(--ease), background 0.25s var(--ease);
    cursor: pointer;
}
.btn svg { width: 18px; height: 18px; }
.btn-primary { background: var(--green); color: #121808; }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 14px 34px -12px var(--green-glow); }
.btn-spotify { background: #1db954; color: #fff; }
.btn-spotify:hover { transform: translateY(-2px); box-shadow: 0 14px 34px -12px rgba(29, 185, 84, 0.5); }
.btn-ghost { background: var(--surface); color: var(--ink); border: 1px solid var(--border); }
.btn-ghost:hover { transform: translateY(-2px); border-color: rgba(169, 200, 90, 0.5); }

/* ---------- Sections ---------- */
.section { padding: 6.5rem 0; }
.section.alt { background: var(--bg-2); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.section-head { max-width: 640px; margin: 0 auto 3.5rem; text-align: center; }
.section-head h2 { font-size: clamp(2rem, 4.5vw, 2.8rem); margin-bottom: 0.9rem; }
.section-head p { color: var(--muted); font-size: 1.05rem; }

/* ---------- Concept ---------- */
.concept-grid {
    display: grid; grid-template-columns: 1fr 1fr; gap: 1.4rem; align-items: stretch;
}
.pole {
    position: relative; overflow: hidden;
    border: 1px solid var(--border); border-radius: var(--radius);
    padding: 2.2rem; background: var(--surface);
    transition: transform 0.3s var(--ease), border-color 0.3s var(--ease);
}
.pole:hover { transform: translateY(-4px); }
.pole .tag {
    font-family: var(--mono); font-size: 0.7rem; font-weight: 600;
    letter-spacing: 0.2em; text-transform: uppercase;
    display: inline-flex; align-items: center; gap: 0.5rem;
    padding: 0.3rem 0.8rem; border-radius: 999px; margin-bottom: 1.2rem;
}
.pole.machine .tag { color: var(--copper); border: 1px solid rgba(216, 146, 91, 0.4); background: rgba(216, 146, 91, 0.08); }
.pole.nature .tag { color: var(--green); border: 1px solid rgba(169, 200, 90, 0.4); background: rgba(169, 200, 90, 0.08); }
.pole h3 { font-size: 1.45rem; margin-bottom: 0.7rem; }
.pole p { color: var(--muted); font-size: 0.98rem; }
.pole.machine { border-top: 2px solid rgba(216, 146, 91, 0.55); }
.pole.nature { border-top: 2px solid rgba(169, 200, 90, 0.55); }
.concept-line {
    grid-column: 1 / -1; text-align: center;
    font-family: var(--mono); font-size: 0.8rem; color: var(--faint);
    letter-spacing: 0.08em; margin-top: 0.4rem;
}
.concept-line .dash { color: var(--copper); }

/* ---------- Music ---------- */
.music-group { margin-bottom: 4rem; }
.music-group:last-child { margin-bottom: 0; }
.music-group > h3 {
    font-size: 1.5rem; margin-bottom: 0.4rem;
    display: flex; align-items: center; gap: 0.6rem;
}
.music-group > h3 .idx {
    font-family: var(--mono); font-size: 0.8rem; color: var(--copper); font-weight: 500;
}
.music-group > .sub { color: var(--muted); margin-bottom: 2rem; }

.album-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 2rem; }
.release-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.4rem;
    display: flex; flex-direction: column; gap: 1.1rem;
    transition: transform 0.3s var(--ease), border-color 0.3s var(--ease);
}
.release-card:hover { transform: translateY(-4px); border-color: rgba(169, 200, 90, 0.35); }
.release-card iframe { border-radius: var(--radius-sm); width: 100%; }
.release-card .meta .year {
    font-family: var(--mono); font-size: 0.72rem; font-weight: 500;
    letter-spacing: 0.1em; text-transform: uppercase; color: var(--copper);
}
.release-card .meta h4 { font-size: 1.25rem; margin: 0.3rem 0 0.4rem; }
.release-card .meta p { color: var(--muted); font-size: 0.94rem; }
.release-card .links { display: flex; gap: 0.6rem; flex-wrap: wrap; }
.release-card .links a {
    font-family: var(--mono); font-size: 0.78rem; font-weight: 500; color: var(--muted);
    border: 1px solid var(--border); border-radius: 999px;
    padding: 0.4rem 0.9rem; transition: 0.25s var(--ease);
}
.release-card .links a:hover { border-color: var(--green); color: var(--green); }

.single-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.4rem; }
.single-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.7rem;
    display: flex; flex-direction: column; gap: 0.8rem;
    transition: transform 0.3s var(--ease), border-color 0.3s var(--ease);
}
.single-card:hover { transform: translateY(-4px); border-color: rgba(216, 146, 91, 0.4); }
.single-card .glyph {
    width: 52px; height: 52px; border-radius: 50%;
    background: radial-gradient(circle at 36% 30%, #e2e7b8, #a9c85a 55%, #2a3a18);
    box-shadow: 0 0 0 1px rgba(216, 146, 91, 0.5);
    display: flex; align-items: center; justify-content: center;
    font-family: var(--mono); color: #121808; font-weight: 700; font-size: 0.85rem;
}
.single-card h4 { font-size: 1.18rem; }
.single-card .yr { font-family: var(--mono); font-size: 0.7rem; color: var(--copper); }
.single-card p { color: var(--muted); font-size: 0.92rem; flex: 1; }
.single-card a { font-weight: 600; font-size: 0.86rem; color: var(--green); }
.single-card a:hover { text-decoration: underline; }

/* ---------- Numbers ---------- */
.numbers {
    display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.4rem;
    margin-top: 3.5rem;
}
.num {
    text-align: center; padding: 1.6rem 1rem;
    border: 1px solid var(--border); border-radius: var(--radius);
    background: var(--surface);
}
.num .value { font-family: var(--mono); font-size: 1.9rem; font-weight: 600; color: var(--green); line-height: 1.1; display: block; }
.num .label { font-size: 0.8rem; color: var(--faint); margin-top: 0.4rem; display: block; }
.num:nth-child(even) .value { color: var(--copper); }

/* ---------- Listen ---------- */
.listen-links { display: flex; flex-wrap: wrap; gap: 1rem; justify-content: center; }
.listen-links .btn { min-width: 170px; justify-content: center; }

/* ---------- Contact ---------- */
.contact-card {
    max-width: 640px; margin: 0 auto; text-align: center;
    background: var(--surface); border: 1px solid var(--border);
    border-radius: var(--radius); padding: 3rem 2rem;
}
.contact-card p { color: var(--muted); margin-bottom: 1.6rem; }
.contact-card .email {
    font-family: var(--mono); font-size: 1.25rem; color: var(--green);
    display: inline-block; margin-bottom: 1.4rem;
}
.contact-card .email:hover { color: var(--copper); }
.contact-card .social { display: flex; gap: 0.8rem; justify-content: center; flex-wrap: wrap; }

/* ---------- Footer ---------- */
footer {
    padding: 3rem 1.5rem 3.5rem; text-align: center;
    border-top: 1px solid var(--border);
    color: var(--faint); font-size: 0.86rem;
}
footer .f-brand { font-family: var(--mono); letter-spacing: 0.1em; text-transform: uppercase; font-size: 1rem; color: var(--ink); margin-bottom: 0.6rem; }
footer .f-links { display: flex; gap: 1.3rem; justify-content: center; flex-wrap: wrap; margin: 0.8rem 0; }
footer .f-links a { color: var(--muted); font-weight: 500; }
footer .f-links a:hover { color: var(--green); }
footer .f-credit { margin-top: 1rem; opacity: 0.7; }
footer .f-credit a { color: var(--faint); text-decoration: underline; }

/* ---------- Reveal ---------- */
.reveal { opacity: 0; transform: translateY(22px); transition: opacity 0.7s var(--ease), transform 0.7s var(--ease); }
.reveal.in { opacity: 1; transform: none; }

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
    .album-grid, .concept-grid { grid-template-columns: 1fr; }
    .numbers { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
    .section { padding: 4.5rem 0; }
    .nav-links { display: none; }
    .nav-links.open {
        display: flex; flex-direction: column; align-items: flex-start;
        position: absolute; top: 100%; left: 0; right: 0;
        background: #0d120d; padding: 1.2rem 1.5rem;
        border-bottom: 1px solid var(--border);
        gap: 1rem;
    }
    .nav-burger { display: flex; }
    .single-list { grid-template-columns: 1fr; }
    .numbers { grid-template-columns: 1fr 1fr; }
    .hero h1 { font-size: 2.9rem; }
    .orb { width: 280px; height: 280px; top: 30%; }
}