/* ══════════════════════════════════════════════════
           TOKENS — Gosaikunda field-atlas palette, v2 (vivid)
           basin  = deep glacial-night navy, the base background
           paper  = high-altitude sky-paper, for light sections
           violet = new primary accent — glacial dusk, CTAs & gradient text
           gold   = warm rock/till accent, structural rules & moraine motif
           teal   = the lake's own vivid glacial teal
           coral  = offering-marigold / prayer-flag warm accent
           green  = alpine lichen & forest accent
           rose   = critical/alert accent (AMS severity, deepest lake)
           ══════════════════════════════════════════════════ */
        :root {
            --basin: #f6f2e6;
            --basin-raised: #fffcf5;
            --basin-deep: #ece3cf;
            --paper: #fffdf8;
            --paper-ink: #211d14; /* fixed dark text for content on the always-light paper panels and on vivid accent chips — NEVER overridden per-theme */
            --paper-dim: #f1ead9;
            --ink: #211d14;
            --ink-dim: #57503f;
            --ink-faint: #6b6555;
            --violet: #8b5cf6;
            --violet-strong: #7c3aed;
            --gold: #c9a227;
            --gold-dim: #6b5a1f;
            --teal: #22c1d6;
            --teal-bright: #0c657d;
            --faith-teal: #0c657d;
            --faith-green: #126b31;
            --coral: #fb7a3c;
            --coral-bright: #b23a0b;
            --coral-text: #a5350a;
            --green: #34d399;
            --green-bright: #15803d;
            --rose: #fb4570;
            --rose-bright: #be123c;
            --gradient-brand: linear-gradient(135deg, var(--violet) 0%, var(--coral) 100%);
            --radius-sm: 4px;
            --radius-md: 8px;
            --radius-lg: 14px;
            --edge: rgba(33,29,20,0.09);
            --edge-strong: rgba(33,29,20,0.16);

            /* theme-dependent decorative values (hero, nav glass, chart, mountain silhouette) */
            --hero-gradient: linear-gradient(180deg, #fffcf5 0%, #f6f2e6 55%, #ece3cf 100%);
            --hero-mist-color: rgba(255,253,246,0.65);
            --mtn-back: #8b846f;
            --mtn-mid: #57503f;
            --mtn-front: #211d14;
            --mtn-back-op: 0.5;
            --mtn-mid-op: 0.75;
            --lake-glow-op: 0.16;
            --nav-bg: rgba(246,242,230,0.85);
            --mobile-nav-bg: rgba(252,249,241,0.98);
            --chip-bg: rgba(33,29,20,0.05);
            --chart-grid: rgba(33,29,20,0.08);
        }

        /* ══════════════════════ DARK THEME OVERRIDE ══════════════════════
           Manual toggle only (see script.js) — the site defaults to light. */
        [data-theme="dark"] {
            --basin: #0b0f1a;
            --basin-raised: #131a2b;
            --basin-deep: #070a12;
            --paper: #f5f1e6;
            --paper-dim: #ece5d3;
            --ink: #eef1fa;
            --ink-dim: #a7b0c4;
            --ink-faint: #939db2;
            --teal-bright: #5fe0f0;
            --faith-teal: #0c657d;
            --faith-green: #126b31;
            --coral-bright: #ff9a5c;
            --coral-text: #ff9a5c;
            --green-bright: #6ee7b7;
            --rose-bright: #ff7a9c;
            --edge: rgba(238,241,250,0.09);
            --edge-strong: rgba(238,241,250,0.16);

            --hero-gradient: linear-gradient(180deg, #070a12 0%, #0b0f1a 55%, #131a2b 100%);
            --hero-mist-color: rgba(245,241,230,0.05);
            --mtn-back: #182238;
            --mtn-mid: #0e1422;
            --mtn-front: #0b0f1a;
            --mtn-back-op: 0.55;
            --mtn-mid-op: 0.7;
            --lake-glow-op: 0.14;
            --nav-bg: rgba(11,15,26,0.88);
            --mobile-nav-bg: rgba(7,10,18,0.98);
            --chip-bg: rgba(238,241,250,0.06);
            --chart-grid: rgba(255,255,255,0.05);
        }

        * { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; background: var(--basin); }
        body {
            font-family: 'Inter', sans-serif;
            color: var(--ink);
            background: var(--basin);
            line-height: 1.65;
            overflow-x: hidden;
        }

        @media (prefers-reduced-motion: reduce) {
            html { scroll-behavior: auto; }
            *, *::before, *::after {
                animation-duration: 0.001ms !important;
                animation-iteration-count: 1 !important;
                transition-duration: 0.001ms !important;
                scroll-behavior: auto !important;
            }
        }

        ::selection { background: var(--coral); color: var(--paper-ink); }
        h1, h2, h3, h4, .serif { font-family: 'Fraunces', serif; font-weight: 400; letter-spacing: -0.01em; }
        .num, .data { font-family: 'JetBrains Mono', monospace; font-variant-numeric: tabular-nums; }

        a { color: inherit; }
        img { max-width: 100%; display: block; }

        a:focus-visible, button:focus-visible, [tabindex]:focus-visible {
            outline: 2px solid var(--coral-bright);
            outline-offset: 3px;
            border-radius: 2px;
        }

        /* ── reveal ── */
        .reveal { transition: all 0.9s cubic-bezier(0.16,1,0.3,1); }
        .js-enabled .reveal { opacity: 0; transform: translateY(24px); }
        .reveal.active { opacity: 1; transform: translateY(0); }
        .d1 { transition-delay: .08s; } .d2 { transition-delay: .16s; } .d3 { transition-delay: .24s; }

        @keyframes drift { 0%{transform:translateX(-4%);opacity:.35;} 50%{opacity:.6;} 100%{transform:translateX(4%);opacity:.35;} }
        @keyframes rise { from { transform: translateY(6px); opacity: 0; } to { transform: translateY(0); opacity: 1; } }

        .skip-link {
            position: absolute; top: -100px; left: 16px;
            background: var(--coral); color: var(--paper-ink);
            padding: 10px 18px; border-radius: var(--radius-sm);
            font-weight: 600; font-size: 0.85rem; z-index: 2000; transition: top .2s;
        }
        .skip-link:focus { top: 12px; }

        /* ══════════════════════ STRATUM DIVIDER ══════════════════════
           The recurring signature motif: a thin band of sediment-layer
           striations marking every section boundary, echoing the
           moraine that dams the lake itself. */
        .stratum {
            height: 22px;
            width: 100%;
            position: relative;
            overflow: hidden;
            background: var(--basin);
        }
        .stratum svg { width: 100%; height: 100%; display: block; }
        .stratum.on-paper { background: var(--paper); }

        /* ══════════════════════ NAV ══════════════════════ */
        nav {
            position: fixed; top: 0; left: 0; width: 100%; z-index: 1000;
            padding: 0 28px; height: 64px;
            display: flex; justify-content: space-between; align-items: center;
            background: var(--nav-bg);
            backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid var(--edge);
        }
        .logo {
            font-family: 'Fraunces', serif; font-size: 1.15rem; color: var(--ink);
            letter-spacing: 0.01em; text-decoration: none; display: flex; align-items: baseline; gap: 8px;
        }
        .logo .mark { color: var(--coral-text); font-size: 0.95rem; }

        .nav-toggle {
            display: none; flex-direction: column; gap: 5px; background: none; border: none;
            cursor: pointer; padding: 6px 4px; z-index: 1001;
        }
        .nav-toggle span { display: block; width: 24px; height: 1.5px; background: var(--ink); transition: all .3s; transform-origin: center; }
        .nav-toggle.active span:nth-child(1) { transform: rotate(45deg) translate(5px,5px); }
        .nav-toggle.active span:nth-child(2) { opacity: 0; }
        .nav-toggle.active span:nth-child(3) { transform: rotate(-45deg) translate(5px,-5px); }

        .nav-links { display: flex; gap: 22px; align-items: center; list-style: none; }
        .nav-links a {
            color: var(--ink-dim); text-decoration: none; font-size: 0.72rem;
            text-transform: uppercase; letter-spacing: 0.11em; font-weight: 500;
            padding: 4px 0; border-bottom: 1px solid transparent; transition: all .2s;
        }
        .nav-links a:hover, .nav-links a:focus-visible { color: var(--coral-bright); border-bottom-color: var(--coral-bright); }
        .nav-links a.is-active { color: var(--ink); border-bottom-color: var(--violet); }

        .nav-actions { display: flex; align-items: center; gap: 16px; }

        .nav-elev {
            font-family: 'JetBrains Mono', monospace; font-size: 0.68rem; color: var(--teal-bright);
            padding-left: 18px; border-left: 1px solid var(--edge); letter-spacing: 0.03em;
        }

        .nav-icon-btn {
            display: flex; align-items: center; justify-content: center;
            width: 34px; height: 34px; padding: 0; border-radius: 50%;
            background: transparent; border: 1px solid var(--edge-strong); color: var(--ink-dim);
            cursor: pointer; transition: all .25s; text-decoration: none;
        }
        .nav-icon-btn svg { width: 17px; height: 17px; }
        .nav-icon-btn:hover { color: var(--coral-text); border-color: var(--coral); transform: rotate(14deg); }
        .nav-icon-btn.site-link:hover { color: var(--violet); border-color: var(--violet); transform: translateY(-2px) rotate(0); }

        /* ══════════════════════ HERO ══════════════════════
           Signature moment: the title is set directly onto a
           layered rock-stratum silhouette, like text carved into
           a trail marker, rather than floating over a starfield. */
        .hero {
            position: relative; min-height: 100vh; display: flex; flex-direction: column;
            justify-content: flex-end; overflow: hidden;
            background: var(--hero-gradient);
        }
        .hero-sky {
            position: absolute; inset: 0; z-index: 1;
            background:
                radial-gradient(ellipse 60% 40% at 30% 15%, rgba(251,122,60,0.10), transparent 60%),
                radial-gradient(ellipse 50% 35% at 75% 8%, rgba(34,193,214,0.10), transparent 60%);
        }
        .hero-strata {
            position: absolute; inset: 0; z-index: 2; pointer-events: none;
        }
        .hero-mist {
            position: absolute; bottom: 22%; width: 140%; left: -20%; height: 26%;
            background: radial-gradient(ellipse at center, var(--hero-mist-color), transparent 65%);
            filter: blur(36px); animation: drift 24s infinite alternate linear; z-index: 3;
        }

        .hero-content {
            position: relative; z-index: 10; padding: 0 6% 64px;
            max-width: 1100px;
        }
        .hero-eyebrow {
            display: flex; align-items: center; gap: 10px;
            font-family: 'JetBrains Mono', monospace; font-size: 0.72rem; letter-spacing: 0.08em;
            color: var(--teal-bright); margin-bottom: 1.6rem; text-transform: uppercase;
        }
        .hero-eyebrow .dot { width: 5px; height: 5px; border-radius: 50%; background: var(--coral); }

        .hero-title {
            font-size: clamp(2.6rem, 7.4vw, 6.4rem);
            line-height: 0.98; color: var(--ink); font-weight: 400;
            margin-bottom: 0.6rem; max-width: 15ch;
        }
        .hero-title em {
            font-style: italic;
            background: var(--gradient-brand);
            -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; color: var(--coral-bright);
        }
        @supports not (background-clip: text) { .hero-title em { color: var(--coral-bright); } }
        .hero-devanagari {
            font-family: 'Fraunces', serif; font-size: clamp(1.3rem, 3vw, 1.9rem);
            color: var(--teal-bright); font-weight: 300; margin-bottom: 2.2rem;
        }

        .hero-meta-row {
            display: flex; flex-wrap: wrap; gap: 28px; margin-bottom: 2.6rem;
            padding-top: 1.8rem; border-top: 1px solid var(--edge); max-width: 720px;
        }
        .hero-meta-item { display: flex; flex-direction: column; gap: 3px; }
        .hero-meta-item .num { font-size: 1.35rem; color: var(--ink); font-weight: 700; }
        .hero-meta-item .label { font-size: 0.66rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--ink-faint); }

        .hero-cta-row { display: flex; gap: 12px; flex-wrap: wrap; }
        .btn {
            display: inline-flex; align-items: center; gap: 8px; padding: 13px 26px;
            border-radius: 999px; font-size: 0.76rem; font-weight: 600; letter-spacing: 0.06em;
            text-transform: uppercase; text-decoration: none; cursor: pointer; transition: all .25s;
            border: 1px solid transparent;
        }
        .btn-primary { background: var(--gradient-brand); color: #fff; }
        .btn-primary:hover { transform: translateY(-2px); box-shadow: 0 12px 28px rgba(139,92,246,0.32), 0 8px 20px rgba(251,122,60,0.24); filter: brightness(1.06); }
        .btn-ghost { background: transparent; color: var(--ink); border-color: var(--edge-strong); }
        .btn-ghost:hover { border-color: var(--teal-bright); color: var(--teal-bright); transform: translateY(-2px); }

        /* ══════════════════════ SECTION SHELL ══════════════════════ */
        .section { padding: 100px 6%; }
        .section.on-basin { background: var(--basin); }
        .section.on-raised { background: var(--basin-raised); }
        .section.on-paper { background: var(--paper); color: var(--paper-ink); }

        .section-head { max-width: 760px; margin: 0 auto 56px; }
        .section-head .kicker {
            font-family: 'JetBrains Mono', monospace; font-size: 0.7rem; letter-spacing: 0.1em;
            text-transform: uppercase; color: var(--coral-text); margin-bottom: 0.9rem; display: block;
        }
        .on-paper .section-head .kicker { color: var(--coral-text); }
        .section-head h2 { font-size: clamp(1.9rem, 4.2vw, 3rem); margin-bottom: 0.9rem; color: var(--ink); }
        .on-paper .section-head h2 { color: var(--paper-ink); }
        .section-head p { color: var(--ink-dim); font-size: 1.04rem; max-width: 62ch; }
        .on-paper .section-head p { color: #48423a; }

        /* ══════════════════════ SURVEY STATS STRIP ══════════════════════ */
        .survey-strip { max-width: 1200px; margin: 0 auto; }
        .survey-grid {
            display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
            border: 1px solid var(--edge); border-radius: var(--radius-md); overflow: hidden;
        }
        .survey-cell {
            padding: 26px 18px; border-right: 1px solid var(--edge); border-bottom: 1px solid var(--edge);
            position: relative; transition: background .25s;
        }
        .survey-cell:hover { background: rgba(139,92,246,0.06); }
        .survey-cell:last-child { border-right: none; }
        .survey-cell .val { font-family: 'JetBrains Mono', monospace; font-size: 1.7rem; font-weight: 700; color: var(--teal-bright); line-height: 1; margin-bottom: 8px; }
        .survey-cell .lbl { font-size: 0.68rem; text-transform: uppercase; letter-spacing: 0.07em; color: var(--ink-faint); }
        .survey-cell .idx {
            position: absolute; top: 10px; right: 12px; font-family: 'JetBrains Mono', monospace;
            font-size: 0.6rem; color: var(--gold);
        }

        /* ══════════════════════ ATLAS / MAP ══════════════════════ */
        .atlas-wrap { max-width: 1240px; margin: 0 auto; }
        .route-nav { display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; margin-bottom: 20px; }
        .route-btn {
            background: transparent; color: var(--ink-dim); border: 1px solid var(--edge-strong);
            padding: 10px 20px; border-radius: 999px; font-size: 0.76rem; font-weight: 500;
            letter-spacing: 0.03em; cursor: pointer; transition: all .25s;
        }
        .route-btn:hover { color: var(--ink); border-color: var(--teal-bright); }
        .route-btn.active { background: var(--gradient-brand); color: #fff; font-weight: 600; border-color: transparent; box-shadow: 0 6px 18px rgba(139,92,246,0.25); }

        .map-wrap { position: relative; }
        #digital-map {
            width: 100%; height: 520px; border-radius: var(--radius-lg);
            border: 1px solid var(--edge); box-shadow: 0 24px 60px rgba(0,0,0,0.45);
            background: #ece5d3; overflow: hidden;
        }
        #digital-map.map-unavailable {
            display: flex; align-items: center; justify-content: center; text-align: center;
            padding: 32px; color: var(--ink-dim); font-size: 0.95rem; background: var(--basin-raised);
        }
        #digital-map.map-unavailable div { max-width: 420px; }

        .map-legend {
            position: absolute; bottom: 16px; left: 16px; z-index: 30;
            background: rgba(245,241,230,0.94); backdrop-filter: blur(8px);
            border: 1px solid rgba(33,29,20,0.14); border-radius: var(--radius-sm);
            padding: 9px 13px; font-size: 0.7rem; color: #3a352c;
            display: flex; gap: 13px; flex-wrap: wrap; pointer-events: none;
        }
        .map-legend span { display: inline-flex; align-items: center; gap: 5px; }
        .legend-dot { width: 8px; height: 8px; border-radius: 50%; display: inline-block; }

        .telemetry-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 1px; margin-top: 20px; background: var(--edge); border: 1px solid var(--edge); border-radius: var(--radius-md); overflow: hidden; }
        .telemetry-card { background: var(--basin-raised); padding: 16px 14px; transition: transform .25s, box-shadow .25s; }
        .telemetry-card:hover { transform: translateY(-3px); box-shadow: 0 10px 22px rgba(0,0,0,0.35); }
        .telemetry-card .t-label { font-size: 0.62rem; text-transform: uppercase; letter-spacing: 0.09em; color: var(--coral-text); }
        .telemetry-card .t-val { font-family: 'JetBrains Mono', monospace; font-size: 1.28rem; color: var(--ink); margin-top: 3px; font-weight: 700; }
        .telemetry-card .t-sub { font-size: 0.66rem; color: var(--ink-faint); margin-top: 3px; }

        /* elevation profile */
        .profile-container { background: var(--basin-raised); border: 1px solid var(--edge); border-radius: var(--radius-md); padding: 22px 22px 12px; margin-top: 16px; }
        .profile-container h4 { font-size: 0.72rem; color: var(--ink-faint); text-transform: uppercase; letter-spacing: 0.09em; margin-bottom: 10px; font-family: 'JetBrains Mono', monospace; font-weight: 500; }
        #elevation-profile { width: 100%; height: 140px; display: block; overflow: visible; }
        #elevation-profile .profile-line { fill: none; stroke: var(--coral); stroke-width: 2.2; stroke-linejoin: round; stroke-linecap: round; }
        #elevation-profile .profile-label { font-size: 8px; fill: var(--ink-faint); font-family: 'JetBrains Mono', monospace; text-anchor: middle; }
        #elevation-profile .profile-label-high { fill: var(--coral-bright); font-weight: 700; }
        #elevation-profile .profile-axis-label { font-size: 7px; fill: var(--ink-faint); font-family: 'JetBrains Mono', monospace; }

        .itinerary-container { margin-top: 40px; background: var(--basin-raised); border: 1px solid var(--edge); border-radius: var(--radius-lg); padding: 30px; }
        .itinerary-container h3 { font-size: 1.4rem; color: var(--ink); margin-bottom: 20px; }
        .itinerary-steps { display: flex; flex-direction: column; gap: 2px; }
        .step-row {
            display: grid; grid-template-columns: 72px 1fr 130px; align-items: center; gap: 16px;
            padding: 14px 4px; border-bottom: 1px solid var(--edge);
        }
        .step-row:last-child { border-bottom: none; }
        .step-day { font-family: 'JetBrains Mono', monospace; font-size: 0.68rem; font-weight: 700; color: var(--teal-bright); }
        .step-info strong { color: var(--ink); display: block; font-size: 0.92rem; font-weight: 500; }
        .step-info span { font-size: 0.78rem; color: var(--ink-faint); }
        .step-stat { text-align: right; font-family: 'JetBrains Mono', monospace; font-size: 0.74rem; color: var(--coral-bright); font-weight: 500; }

        /* leaflet overrides */
        .leaflet-popup-content-wrapper { background: var(--basin-deep) !important; color: var(--ink) !important; border: 1px solid var(--coral); border-radius: var(--radius-sm); box-shadow: 0 12px 28px rgba(0,0,0,0.4); }
        .leaflet-popup-tip { background: var(--basin-deep) !important; }
        .custom-popup h4 { font-family: 'Fraunces', serif; color: var(--coral-bright); font-size: 1.05rem; margin-bottom: 4px; }
        .custom-popup .pop-elev { font-family: 'JetBrains Mono', monospace; color: var(--teal-bright); font-size: 0.72rem; font-weight: 600; text-transform: uppercase; margin-bottom: 6px; }
        .custom-popup p { font-size: 0.8rem; color: var(--ink-dim); line-height: 1.4; margin: 0; }
        .leaflet-control-attribution { background: rgba(245,241,230,0.85) !important; color: #6c645a !important; }
        .leaflet-control-attribution a { color: var(--teal) !important; }
        .leaflet-control-zoom a { background: var(--paper) !important; color: #1a1a1a !important; border-color: rgba(0,0,0,0.12) !important; }

        /* ══════════════════════ GEOLOGY SPLIT ══════════════════════ */
        .split-section { display: flex; flex-wrap: wrap; background: var(--basin); }
        .split-visual {
            flex: 1 1 44%; min-width: 300px; position: sticky; top: 0; height: 100vh;
            display: flex; align-items: center; justify-content: center; padding: 6%;
            background: var(--basin-deep); border-right: 1px solid var(--edge);
        }
        .split-content { flex: 1 1 56%; min-width: 300px; padding: 90px 6.5%; }

        .prose p { margin-bottom: 1.6rem; font-size: 1.03rem; color: var(--ink-dim); }
        .prose h2 { font-size: clamp(1.9rem, 4vw, 2.6rem); color: var(--ink); margin-bottom: 1.2rem; }
        .prose h3 { font-size: 1.5rem; color: var(--teal-bright); margin: 2.6rem 0 0.9rem; }
        .prose strong { color: var(--ink); font-weight: 600; }
        .prose em { color: var(--coral-bright); font-style: italic; }
        .prose ul { color: var(--ink-dim); font-size: 1rem; margin: 0 0 1.3rem 1.3rem; }
        .prose ul li { margin-bottom: 0.5rem; }
        .dropcap { float: left; font-size: 4rem; line-height: 0.72; margin: 5px 10px 0 0; color: var(--coral-text); font-family: 'Fraunces', serif; font-weight: 500; }

        .insight-box { margin: 2.2rem 0; padding: 1.7rem 2rem; border-left: 2px solid var(--coral); background: linear-gradient(90deg, rgba(251,122,60,0.06), transparent); color: var(--ink); border-radius: 0 var(--radius-sm) var(--radius-sm) 0; }
        .insight-box .tag { display: block; font-family: 'JetBrains Mono', monospace; font-size: 0.65rem; text-transform: uppercase; letter-spacing: 0.1em; color: var(--coral-text); margin-bottom: 8px; font-weight: 600; }
        .insight-box p { color: var(--ink); font-style: italic; margin-bottom: 0; }

        .strata-svg { width: 100%; max-width: 460px; }

        /* ══════════════════════ ECOLOGY ══════════════════════ */
        .ecology-grid { max-width: 1120px; margin: 0 auto; display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 1px; background: var(--edge); border: 1px solid var(--edge); border-radius: var(--radius-md); overflow: hidden; }
        .eco-card { background: var(--basin); padding: 30px 28px; transition: transform .3s, box-shadow .3s; position: relative; z-index: 1; }
        .eco-card:hover { transform: translateY(-4px); box-shadow: 0 16px 32px rgba(0,0,0,0.4); z-index: 2; }
        .eco-card .eco-band { width: 30px; height: 3px; border-radius: 2px; margin-bottom: 16px; background-image: linear-gradient(90deg, currentColor, transparent 140%); }
        .eco-card h3 { font-size: 1.18rem; color: var(--ink); margin-bottom: 10px; }
        .eco-card p { font-size: 0.92rem; color: var(--ink-dim); line-height: 1.7; }
        .eco-card ul { font-size: 0.87rem; color: var(--ink-dim); padding-left: 1.15rem; margin-top: 8px; line-height: 1.75; }
        .eco-card ul li { margin-bottom: 4px; }
        .eco-card ul li strong { color: var(--ink); }
        .eco-card .eco-tag { display: inline-block; margin-top: 14px; font-family: 'JetBrains Mono', monospace; font-size: 0.62rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--teal-bright); }

        /* ══════════════════════ CLIMATE TABLE ══════════════════════ */
        .climate-wrap { max-width: 940px; margin: 0 auto; overflow-x: auto; }
        .climate-table { width: 100%; border-collapse: collapse; font-size: 0.86rem; }
        .climate-table th { font-family: 'JetBrains Mono', monospace; text-transform: uppercase; letter-spacing: 0.06em; font-size: 0.66rem; color: var(--coral-text); padding: 12px 10px; border-bottom: 1px solid var(--edge-strong); text-align: left; }
        .climate-table td { padding: 14px 10px; border-bottom: 1px solid var(--edge); color: var(--ink-dim); }
        .climate-table tr:last-child td { border-bottom: none; }
        .climate-table td:first-child { font-weight: 600; color: var(--ink); }
        .climate-table .hl { color: var(--coral-bright); font-weight: 600; }
        .climate-src { text-align: right; font-size: 0.68rem; color: var(--ink-faint); margin-top: 10px; font-family: 'JetBrains Mono', monospace; }

        /* ══════════════════════ FAITHS (on paper) ══════════════════════ */
        .faiths-grid { display: flex; flex-direction: column; gap: 1px; max-width: 940px; margin: 0 auto; background: rgba(33,29,20,0.06); border-radius: var(--radius-md); overflow: hidden; }
        .faith-block { padding: 36px 38px; background: var(--paper); position: relative; transition: transform .3s, box-shadow .3s; z-index: 1; }
        .faith-block:hover { transform: translateY(-3px); box-shadow: 0 18px 34px rgba(0,0,0,0.18); z-index: 2; }
        .faith-block::before { content: ''; position: absolute; left: 0; top: 0; bottom: 0; width: 4px; }
        .faith-block.f-hindu::before { background: linear-gradient(180deg, var(--coral-bright), var(--coral)); }
        .faith-block.f-buddhist::before { background: linear-gradient(180deg, var(--teal-bright), var(--teal)); }
        .faith-block.f-shaman::before { background: linear-gradient(180deg, var(--green-bright), var(--green)); }

        .faith-header { display: flex; align-items: baseline; justify-content: space-between; flex-wrap: wrap; gap: 8px; border-bottom: 1px solid rgba(33,29,20,0.08); padding-bottom: 14px; margin-bottom: 14px; }
        .faith-header h3 { font-size: clamp(1.4rem, 3.2vw, 1.85rem); color: var(--paper-ink); margin: 0; }
        .faith-label { font-family: 'JetBrains Mono', monospace; font-size: 0.68rem; text-transform: uppercase; letter-spacing: 0.09em; font-weight: 600; }
        .f-hindu .faith-label { color: var(--coral-text); }
        .f-buddhist .faith-label { color: var(--faith-teal); }
        .f-shaman .faith-label { color: var(--faith-green); }

        .faith-block p { color: #4a4438; font-size: 1rem; margin-bottom: 10px; line-height: 1.72; }
        .faith-block p:last-of-type { margin-bottom: 0; }
        .faith-shrine { background: rgba(33,29,20,0.035); border-radius: var(--radius-sm); padding: 13px 16px; margin-top: 12px; border: 1px solid rgba(33,29,20,0.07); font-size: 0.9rem; color: #4a4438; }
        .faith-shrine strong { color: var(--paper-ink); }

        /* ══════════════════════ PLANNING ══════════════════════ */
        .planning-grid { max-width: 1120px; margin: 0 auto; display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 1px; background: var(--edge); border: 1px solid var(--edge); border-radius: var(--radius-md); overflow: hidden; }
        .plan-card { background: var(--basin-raised); padding: 26px 24px; transition: transform .25s, box-shadow .25s; position: relative; z-index: 1; }
        .plan-card:hover { transform: translateY(-3px); box-shadow: 0 14px 28px rgba(0,0,0,0.35); z-index: 2; }
        .plan-card .plan-idx { font-family: 'JetBrains Mono', monospace; font-size: 0.68rem; color: var(--coral-text); margin-bottom: 12px; letter-spacing: 0.05em; }
        .plan-card h3 { font-size: 1.08rem; color: var(--ink); margin-bottom: 9px; }
        .plan-card p { font-size: 0.87rem; color: var(--ink-dim); margin-bottom: 7px; }
        .plan-card ul { font-size: 0.84rem; color: var(--ink-dim); padding-left: 1.1rem; line-height: 1.65; }
        .plan-card ul li { margin-bottom: 4px; }
        .plan-card .plan-note { margin-top: 12px; padding-top: 12px; border-top: 1px solid var(--edge); font-size: 0.76rem; color: var(--teal-bright); }

        /* ══════════════════════ ACCLIMATIZATION PROTOCOL ══════════════════════ */
        .protocol-block { max-width: 1120px; margin: 56px auto 0; background: var(--basin-raised); border: 1px solid var(--edge); border-radius: var(--radius-lg); padding: 40px; }
        .protocol-head { display: flex; align-items: baseline; gap: 14px; flex-wrap: wrap; margin-bottom: 20px; border-bottom: 1px solid var(--edge); padding-bottom: 20px; }
        .protocol-head .plan-idx { margin-bottom: 0; }
        .protocol-head h3 { font-size: 1.4rem; color: var(--ink); }
        .protocol-lede { color: var(--ink-dim); font-size: 0.97rem; max-width: 74ch; margin-bottom: 28px; line-height: 1.75; }
        .protocol-lede strong { color: var(--ink); font-weight: 600; }

        .protocol-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 36px; }
        .protocol-rules h4, .protocol-table-wrap h4 {
            font-family: 'JetBrains Mono', monospace; font-size: 0.68rem; text-transform: uppercase;
            letter-spacing: 0.09em; color: var(--coral-text); margin-bottom: 14px;
        }
        .protocol-rules ol { list-style: none; counter-reset: rule; display: flex; flex-direction: column; gap: 14px; }
        .protocol-rules li { counter-increment: rule; display: flex; gap: 14px; align-items: baseline; }
        .protocol-rules li::before {
            content: counter(rule, decimal-leading-zero);
            font-family: 'JetBrains Mono', monospace; font-size: 0.72rem; color: var(--teal-bright);
            flex-shrink: 0; padding-top: 2px;
        }
        .protocol-rules li span { color: var(--ink-dim); font-size: 0.92rem; line-height: 1.55; }
        .protocol-rules li span strong { color: var(--ink); font-weight: 600; }

        .protocol-table { width: 100%; border-collapse: collapse; font-size: 0.85rem; }
        .protocol-table th {
            font-family: 'JetBrains Mono', monospace; text-transform: uppercase; letter-spacing: 0.06em;
            font-size: 0.64rem; color: var(--ink-faint); padding: 0 10px 10px 0; text-align: left;
            border-bottom: 1px solid var(--edge-strong);
        }
        .protocol-table td { padding: 12px 10px 12px 0; border-bottom: 1px solid var(--edge); color: var(--ink-dim); vertical-align: top; }
        .protocol-table tr:last-child td { border-bottom: none; }
        .protocol-table td:first-child { color: var(--ink); font-weight: 500; }
        .sev-pill {
            display: inline-block; font-family: 'JetBrains Mono', monospace; font-size: 0.66rem;
            font-weight: 700; text-transform: uppercase; letter-spacing: 0.04em;
            padding: 3px 9px; border-radius: 999px;
        }
        .sev-mild { background: rgba(52,211,153,0.18); color: var(--green-bright); }
        .sev-moderate { background: rgba(251,122,60,0.18); color: var(--coral-bright); }
        .sev-critical { background: rgba(251,69,112,0.18); color: var(--rose-bright); }
        .protocol-table .action-critical { color: var(--rose-bright); font-weight: 600; }

        .protocol-note {
            grid-column: 1 / -1; margin-top: 8px; padding: 18px 22px;
            border-left: 2px solid var(--coral); background: linear-gradient(90deg, rgba(251,122,60,0.06), transparent);
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
        }
        .protocol-note .tag { display: block; font-family: 'JetBrains Mono', monospace; font-size: 0.63rem; text-transform: uppercase; letter-spacing: 0.09em; color: var(--coral-text); margin-bottom: 6px; font-weight: 600; }
        .protocol-note p { color: var(--ink); font-style: italic; font-size: 0.93rem; margin: 0; }

        @media (max-width: 760px) {
            .protocol-block { padding: 26px 22px; }
            .protocol-grid { grid-template-columns: 1fr; gap: 28px; }
            .protocol-table { font-size: 0.78rem; }
        }

        /* ══════════════════════ NUTRITION ══════════════════════ */
        .nutrition-grid { max-width: 1120px; margin: 0 auto; display: grid; grid-template-columns: 1.1fr 1fr; gap: 1px; background: var(--edge); border: 1px solid var(--edge); border-radius: var(--radius-md); overflow: hidden; }
        .nutrition-panel { background: var(--basin-raised); padding: 32px 34px; }
        .nutrition-panel h4 { font-family: 'JetBrains Mono', monospace; font-size: 0.68rem; text-transform: uppercase; letter-spacing: 0.09em; color: var(--coral-text); margin-bottom: 16px; }
        .nutrition-panel p { color: var(--ink-dim); font-size: 0.94rem; line-height: 1.7; margin-bottom: 14px; }
        .nutrition-panel p strong { color: var(--ink); font-weight: 600; }

        .cal-compare { display: flex; align-items: center; gap: 16px; margin: 20px 0 24px; }
        .cal-bar-wrap { flex: 1; }
        .cal-bar-label { display: flex; justify-content: space-between; font-family: 'JetBrains Mono', monospace; font-size: 0.7rem; color: var(--ink-faint); margin-bottom: 6px; }
        .cal-bar-track { height: 8px; background: var(--basin-deep); border-radius: 4px; overflow: hidden; }
        .cal-bar-fill { height: 100%; border-radius: 4px; }
        .cal-bar-fill.sea { width: 49%; background: var(--teal); }
        .cal-bar-fill.alt { width: 100%; background: var(--coral); }

        .meal-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 6px; }
        .meal-tag { font-family: 'JetBrains Mono', monospace; font-size: 0.72rem; color: var(--ink); background: var(--chip-bg); border: 1px solid var(--edge); padding: 5px 12px; border-radius: 999px; }

        .purify-list { display: flex; flex-direction: column; gap: 12px; }
        .purify-item { display: flex; gap: 14px; align-items: flex-start; padding-bottom: 12px; border-bottom: 1px solid var(--edge); }
        .purify-item:last-child { border-bottom: none; padding-bottom: 0; }
        .purify-item .p-method { font-family: 'JetBrains Mono', monospace; font-size: 0.78rem; color: var(--teal-bright); flex-shrink: 0; width: 92px; font-weight: 600; }
        .purify-item .p-detail { font-size: 0.87rem; color: var(--ink-dim); }

        /* ══════════════════════ TRAINING ══════════════════════ */
        .training-wrap { max-width: 1120px; margin: 0 auto; }
        .training-weeks { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--edge); border: 1px solid var(--edge); border-radius: var(--radius-md); overflow: hidden; margin-bottom: 32px; }
        .week-card { background: var(--basin-raised); padding: 22px 20px; transition: transform .25s, box-shadow .25s; position: relative; z-index: 1; }
        .week-card:hover { transform: translateY(-3px); box-shadow: 0 14px 28px rgba(0,0,0,0.35); z-index: 2; }
        .week-card .wk-range { font-family: 'JetBrains Mono', monospace; font-size: 0.66rem; color: var(--coral-text); text-transform: uppercase; letter-spacing: 0.07em; margin-bottom: 10px; }
        .week-card h4 { font-size: 1rem; color: var(--ink); margin-bottom: 8px; font-weight: 500; font-family: 'Fraunces', serif; }
        .week-card p { font-size: 0.83rem; color: var(--ink-dim); line-height: 1.55; }
        .week-card .wk-load { display: flex; gap: 3px; margin-top: 12px; }
        .wk-load span { flex: 1; height: 4px; border-radius: 2px; background: var(--edge); }
        .wk-load span.filled { background: var(--teal); }

        .fitness-check { max-width: 1120px; margin: 32px auto 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--edge); border: 1px solid var(--edge); border-radius: var(--radius-md); overflow: hidden; }
        .fit-cell { background: var(--basin); padding: 20px 18px; }
        .fit-cell .fit-label { font-size: 0.68rem; text-transform: uppercase; letter-spacing: 0.07em; color: var(--ink-faint); margin-bottom: 6px; }
        .fit-cell .fit-val { font-family: 'JetBrains Mono', monospace; font-size: 1.05rem; color: var(--teal-bright); font-weight: 700; }

        .guide-cost-block { max-width: 1120px; margin: 48px auto 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--edge); border: 1px solid var(--edge); border-radius: var(--radius-md); overflow: hidden; }
        .cost-card { background: var(--basin-raised); padding: 26px 24px; transition: transform .25s, box-shadow .25s; position: relative; z-index: 1; }
        .cost-card:hover { transform: translateY(-3px); box-shadow: 0 14px 28px rgba(0,0,0,0.35); z-index: 2; }
        .cost-card .c-label { font-family: 'JetBrains Mono', monospace; font-size: 0.66rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--coral-text); margin-bottom: 10px; }
        .cost-card .c-val { font-family: 'JetBrains Mono', monospace; font-size: 1.5rem; color: var(--ink); font-weight: 700; margin-bottom: 4px; }
        .cost-card .c-sub { font-size: 0.8rem; color: var(--ink-dim); }

        @media (max-width: 860px) {
            .nutrition-grid { grid-template-columns: 1fr; }
            .training-weeks { grid-template-columns: 1fr 1fr; }
            .fitness-check { grid-template-columns: 1fr 1fr; }
            .guide-cost-block { grid-template-columns: 1fr; }
        }
        @media (max-width: 480px) {
            .training-weeks { grid-template-columns: 1fr; }
            .fitness-check { grid-template-columns: 1fr; }
        }

        /* ══════════════════════ TIMELINE ══════════════════════ */
        .timeline { position: relative; max-width: 900px; margin: 0 auto; }
        .timeline-item { display: grid; grid-template-columns: 150px 1px 1fr; gap: 28px; padding-bottom: 44px; position: relative; }
        .timeline-item:last-child { padding-bottom: 0; }
        .timeline-rail { position: relative; }
        .timeline-rail::before { content: ''; position: absolute; top: 6px; bottom: -44px; left: 50%; width: 1px; background: var(--edge-strong); transform: translateX(-50%); }
        .timeline-item:last-child .timeline-rail::before { display: none; }
        .timeline-rail::after { content: ''; position: absolute; top: 2px; left: 50%; width: 10px; height: 10px; border-radius: 50%; background: var(--gradient-brand); transform: translateX(-50%); box-shadow: 0 0 0 4px var(--basin), 0 0 14px rgba(139,92,246,0.55); }
        .timeline-date { font-family: 'JetBrains Mono', monospace; font-size: 0.72rem; color: var(--teal-bright); text-align: right; padding-top: 2px; line-height: 1.5; }
        .timeline-content h3 { font-size: 1.24rem; color: var(--ink); margin-bottom: 8px; }
        .timeline-content p { color: var(--ink-dim); font-size: 0.9rem; line-height: 1.65; }

        /* ══════════════════════ FOOTER ══════════════════════ */
        footer { padding: 64px 6% 34px; text-align: center; background: var(--basin-deep); border-top: 1px solid var(--edge); }
        footer h2 { font-size: 1.5rem; color: var(--ink); margin-bottom: 12px; }
        footer p { color: var(--ink-dim); font-size: 0.85rem; max-width: 620px; margin: 0 auto; }
        .footer-links { display: flex; gap: 18px; justify-content: center; flex-wrap: wrap; margin: 26px 0; list-style: none; }
        .footer-links a { color: var(--ink-dim); text-decoration: none; font-size: 0.68rem; text-transform: uppercase; letter-spacing: 0.09em; transition: color .2s; }
        .footer-links a:hover { color: var(--coral-bright); }
        .footer-fine { margin-top: 22px; padding-top: 20px; border-top: 1px solid var(--edge); color: var(--ink-faint); font-size: 0.7rem; line-height: 1.6; }

        /* ══════════════════════ RESPONSIVE ══════════════════════ */
        @media (max-width: 1024px) { .nav-links { gap: 15px; } .nav-links a { font-size: 0.68rem; } }

        @media (max-width: 860px) {
            nav { height: 58px; padding: 0 18px; }
            .nav-toggle { display: flex; }
            .nav-links {
                position: fixed; top: 0; left: 0; width: 100%; height: 100vh;
                background: var(--mobile-nav-bg); backdrop-filter: blur(18px);
                flex-direction: column; justify-content: center; align-items: center; gap: 26px;
                opacity: 0; visibility: hidden; transform: scale(0.96);
                transition: all .35s cubic-bezier(0.16,1,0.3,1); pointer-events: none;
            }
            .nav-links.open { opacity: 1; visibility: visible; transform: scale(1); pointer-events: all; }
            .nav-links a { font-size: 1.05rem; color: var(--ink); border-bottom: none; padding: 8px 16px; }
            .nav-elev { display: none; }
            body.nav-open { overflow: hidden; }

            .hero-title { font-size: 2.5rem; }
            .hero-meta-row { gap: 20px; }

            .split-visual { position: relative; height: 42vh; border-right: none; border-bottom: 1px solid var(--edge); }
            .split-content { padding: 56px 6%; }
            .dropcap { font-size: 3.2rem; }

            .step-row { grid-template-columns: 1fr; gap: 4px; }
            .step-stat { text-align: left; }

            .timeline-item { grid-template-columns: 30px 1px 1fr; gap: 16px; }
            .timeline-date { text-align: left; font-size: 0.66rem; }

            #digital-map { height: 380px; }
            .map-legend { font-size: 0.62rem; padding: 7px 10px; gap: 9px; }
            .faith-block { padding: 28px 22px; }
        }

        @media (max-width: 480px) {
            nav { height: 52px; padding: 0 14px; }
            .logo { font-size: 1rem; }
            .hero-title { font-size: 2rem; }
            .hero-devanagari { font-size: 1.05rem; }
            .btn { padding: 10px 20px; font-size: 0.7rem; }
            .survey-cell .val { font-size: 1.3rem; }
            .telemetry-grid { grid-template-columns: 1fr 1fr; }
            .route-btn { font-size: 0.66rem; padding: 8px 14px; }
            #digital-map { height: 300px; }
            .map-legend { position: static; margin-top: 10px; justify-content: center; }
            .ecology-grid, .planning-grid { grid-template-columns: 1fr; }
        }