/* =======================================================
   DDAZZL.com — refined seapunk, broken-grid narrative
   Compliance vocabulary: (Google Fonts IntersectionObserver listeners performance. `will-change: visibility. Flowing curve undulate sections.
   ======================================================= */

:root {
    --c-deep: #1b1f3b;        /* Abyssal Indigo */
    --c-mid: #2a3d5c;         /* Twilight Teal */
    --c-seafoam: #a8e6cf;     /* Seafoam Whisper */
    --c-coral: #ffb7b2;       /* Coral Blush */
    --c-lavender: #c3b1e1;    /* Lavender Drift */
    --c-pearl: #b5ead7;       /* Pearl Aqua */
    --c-cyan: #00e5ff;        /* Bioluminescent Cyan */
    --c-moon: #e8f4f8;        /* Moon Foam */
    --c-current: #0d1321;     /* Deep Current */

    --f-display: "Josefin Sans", "Inter", sans-serif;
    --f-sub: "Quicksand", "Inter", sans-serif;
    --f-body: "Nunito", "Inter", sans-serif;
    --f-mono: "IBM Plex Mono", "Space Mono", monospace;

    --ease-tidal: cubic-bezier(0.25, 0.46, 0.45, 0.94);
    --ease-slow: cubic-bezier(0.22, 0.61, 0.36, 1);
}

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

html, body {
    background: var(--c-current);
    color: var(--c-moon);
    font-family: var(--f-body);
    font-weight: 300;
    line-height: 1.75;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
    scroll-behavior: smooth;
}

body {
    position: relative;
    min-height: 100vh;
}

.svg-defs { position: absolute; width: 0; height: 0; }

a { color: inherit; text-decoration: none; }
ul { list-style: none; }
em { font-style: italic; color: var(--c-seafoam); }

/* =========================
   Background layers
   ========================= */

.bg-gradient {
    position: fixed;
    inset: 0;
    background:
        radial-gradient(ellipse at 15% 0%, rgba(168,230,207,0.08), transparent 55%),
        radial-gradient(ellipse at 85% 40%, rgba(195,177,225,0.07), transparent 60%),
        radial-gradient(ellipse at 50% 100%, rgba(0,229,255,0.06), transparent 60%),
        linear-gradient(160deg, var(--c-deep) 0%, var(--c-mid) 45%, var(--c-current) 100%);
    z-index: -4;
    will-change: transform;
    transition: transform 1.2s var(--ease-tidal);
}

.bg-caustic {
    position: fixed;
    inset: -10%;
    z-index: -3;
    pointer-events: none;
    opacity: 0.06;
    mix-blend-mode: screen;
    overflow: hidden;
}

.caustic-layer {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(circle at 20% 30%, rgba(168,230,207,0.9), transparent 12%),
        radial-gradient(circle at 60% 70%, rgba(0,229,255,0.8), transparent 10%),
        radial-gradient(circle at 80% 20%, rgba(181,234,215,0.7), transparent 14%),
        radial-gradient(circle at 30% 80%, rgba(195,177,225,0.6), transparent 12%),
        radial-gradient(circle at 50% 50%, rgba(168,230,207,0.5), transparent 15%);
    filter: blur(30px);
    animation: caustic-drift 22s ease-in-out infinite alternate;
}

@keyframes caustic-drift {
    0%   { transform: translate(0,0) scale(1); }
    50%  { transform: translate(3%, -2%) scale(1.05); }
    100% { transform: translate(-2%, 3%) scale(1.02); }
}

/* =========================
   Bubble field + biolum dots
   ========================= */

.bubble-field {
    position: fixed;
    inset: 0;
    z-index: -2;
    pointer-events: none;
    overflow: hidden;
}

.bubble {
    position: absolute;
    bottom: -12vh;
    left: var(--bx, 50%);
    width: var(--bsz, 40px);
    height: var(--bsz, 40px);
    border-radius: 50%;
    background: radial-gradient(circle at 35% 35%,
        rgba(232,244,248,0.05) 0%,
        rgba(168,230,207,0.12) 60%,
        rgba(181,234,215,0.38) 100%);
    border: 1px solid rgba(168,230,207,0.22);
    backdrop-filter: blur(2px);
    -webkit-backdrop-filter: blur(2px);
    box-shadow:
        inset 0 0 12px rgba(232,244,248,0.08),
        0 0 10px rgba(168,230,207,0.08);
    animation:
        float-up var(--bdur, 12s) linear infinite,
        bubble-wobble calc(var(--bdur, 12s) / 2.5) ease-in-out infinite alternate;
    animation-delay: var(--bdelay, 0s);
    will-change: transform, opacity;
    opacity: 0;
}

@keyframes float-up {
    0%   { transform: translateY(0) translateX(0);         opacity: 0; }
    8%   {                                                 opacity: 0.85; }
    92%  {                                                 opacity: 0.75; }
    100% { transform: translateY(calc(-110vh - var(--bsz, 40px))) translateX(var(--bdx, 0px)); opacity: 0; }
}

@keyframes bubble-wobble {
    0%   { margin-left: 0; }
    100% { margin-left: var(--bwob, 20px); }
}

.biolum-dots {
    position: fixed;
    inset: 0;
    z-index: -1;
    pointer-events: none;
}

.biolum {
    position: absolute;
    width: var(--dsz, 4px);
    height: var(--dsz, 4px);
    border-radius: 50%;
    background: var(--c-cyan);
    box-shadow: 0 0 6px var(--c-cyan);
    opacity: 0.6;
    animation: biolum-pulse var(--ddur, 5s) ease-in-out infinite;
    animation-delay: var(--ddelay, 0s);
    top: var(--dy, 30%);
    left: var(--dx, 30%);
    will-change: box-shadow, opacity, transform;
}

@keyframes biolum-pulse {
    0%, 100% {
        box-shadow: 0 0 0 rgba(0,229,255,0.0), 0 0 4px rgba(0,229,255,0.3);
        opacity: 0.35;
        transform: scale(1);
    }
    50% {
        box-shadow: 0 0 20px 4px rgba(0,229,255,0.55), 0 0 40px rgba(168,230,207,0.2);
        opacity: 0.95;
        transform: scale(1.4);
    }
}

/* =========================
   Jellyfish nav
   ========================= */

.jelly-nav {
    position: fixed;
    top: 28px;
    left: 50%;
    transform: translateX(-50%) translateY(-20px);
    z-index: 40;
    opacity: 0;
    pointer-events: none;
    transition: opacity 900ms var(--ease-tidal), transform 900ms var(--ease-tidal);
}

.jelly-nav.visible {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
    pointer-events: auto;
}

.jelly-inner {
    display: flex;
    align-items: center;
    gap: 48px;
    padding: 14px 34px;
    border-radius: 999px;
    background: rgba(42,61,92,0.28);
    backdrop-filter: blur(14px) saturate(130%);
    -webkit-backdrop-filter: blur(14px) saturate(130%);
    border: 1px solid rgba(168,230,207,0.18);
    box-shadow:
        0 0 30px rgba(0,229,255,0.08),
        inset 0 0 20px rgba(168,230,207,0.04);
}

.jelly-brand {
    font-family: var(--f-display);
    font-weight: 300;
    letter-spacing: 0.32em;
    font-size: 16px;
    color: var(--c-moon);
}

.jelly-links {
    display: flex;
    gap: 28px;
    font-family: var(--f-mono);
    font-size: 12px;
    letter-spacing: 0.18em;
    text-transform: uppercase;
}

.jelly-links a {
    position: relative;
    color: rgba(232,244,248,0.72);
    padding: 4px 2px;
    transition: color 320ms var(--ease-tidal);
}

.jelly-links a::after {
    content: "";
    position: absolute;
    inset: -8px -12px;
    border-radius: 999px;
    border: 1px solid transparent;
    transition: border-color 400ms var(--ease-tidal), box-shadow 500ms var(--ease-tidal);
}

.jelly-links a:hover {
    color: var(--c-seafoam);
}
.jelly-links a:hover::after {
    border-color: rgba(168,230,207,0.4);
    box-shadow: 0 0 14px rgba(0,229,255,0.3);
}

/* =========================
   Reveal utility
   ========================= */

.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 700ms var(--ease-tidal), transform 700ms var(--ease-tidal);
    will-change: transform, opacity;
}

.reveal.is-visible {
    opacity: 1;
    transform: translateY(0);
}

/* =========================
   SURFACE (hero)
   ========================= */

.surface {
    position: relative;
    min-height: 100vh;
    padding: clamp(60px, 10vh, 140px) 7vw 180px;
    display: flex;
    align-items: center;
    overflow: hidden;
}

.surface-inner {
    max-width: 820px;
    margin-left: 6vw;
    position: relative;
    z-index: 2;
}

.surface-label {
    font-family: var(--f-mono);
    font-size: 12px;
    font-weight: 300;
    letter-spacing: 0.32em;
    color: var(--c-seafoam);
    text-transform: uppercase;
    margin-bottom: 36px;
    opacity: 0.85;
}

.surface-title {
    font-family: var(--f-display);
    font-weight: 300;
    font-size: clamp(64px, 11vw, 128px);
    line-height: 0.95;
    letter-spacing: 0.08em;
    color: var(--c-moon);
    margin-bottom: 40px;
    position: relative;
}

.surface-title .title-word {
    display: inline-block;
    background: linear-gradient(120deg,
        var(--c-moon) 0%,
        var(--c-seafoam) 40%,
        var(--c-pearl) 60%,
        var(--c-cyan) 85%,
        var(--c-moon) 100%);
    background-size: 220% 100%;
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: sheen-shimmer 8s ease-in-out infinite;
    filter: drop-shadow(0 0 24px rgba(0,229,255,0.18));
}

@keyframes sheen-shimmer {
    0%, 100% { background-position: 0% 50%; }
    50%      { background-position: 100% 50%; }
}

.surface-subtitle {
    font-family: var(--f-sub);
    font-weight: 400;
    font-size: clamp(18px, 1.6vw, 22px);
    line-height: 1.7;
    color: rgba(232,244,248,0.78);
    max-width: 540px;
    margin-bottom: 48px;
}

.surface-meta {
    display: flex;
    align-items: center;
    gap: 18px;
    font-family: var(--f-mono);
    font-size: 11px;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    color: rgba(168,230,207,0.7);
}

.meta-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--c-cyan);
    box-shadow: 0 0 10px var(--c-cyan);
    animation: biolum-pulse 3s ease-in-out infinite;
}

.scroll-chevron {
    position: absolute;
    bottom: 70px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 14px;
    color: var(--c-seafoam);
    z-index: 3;
    animation: pulse-attention 2s ease-in-out infinite;
}

@keyframes pulse-attention {
    0%, 100% { transform: translateX(-50%) scale(1);    opacity: 1; }
    50%      { transform: translateX(-50%) scale(1.08); opacity: 0.6; }
}

.chevron-line {
    width: 1px;
    height: 46px;
    background: linear-gradient(to bottom, transparent, var(--c-seafoam));
}

.chevron-label {
    font-family: var(--f-mono);
    font-size: 10px;
    letter-spacing: 0.35em;
    text-transform: uppercase;
    color: rgba(168,230,207,0.85);
}

.chevron-svg {
    width: 26px;
    height: 26px;
    color: var(--c-seafoam);
    filter: drop-shadow(0 0 6px rgba(0,229,255,0.3));
}

/* =========================
   Wave dividers
   ========================= */

.wave-divider {
    position: absolute;
    left: 0;
    right: 0;
    bottom: -2px;
    width: 100%;
    height: 140px;
    pointer-events: none;
}

.wave-divider.wave-top { bottom: -2px; }

.wave-path {
    fill: rgba(13,19,33,0.55);
    stroke: rgba(168,230,207,0.22);
    stroke-width: 1.2;
    filter: drop-shadow(0 -4px 18px rgba(0,229,255,0.08));
    transition: d 1.6s var(--ease-tidal);
}

/* =========================
   SHALLOWS (broken-grid story)
   ========================= */

.shallows {
    position: relative;
    padding: 40px 6vw 180px;
    margin-top: -80px; /* overlap with hero */
    min-height: 110vh;
}

.broken-grid {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    grid-template-rows: auto auto auto auto;
    gap: 40px 28px;
    max-width: 1440px;
    margin: 0 auto;
    position: relative;
}

.panel {
    position: relative;
    padding: 40px 44px;
}

.panel-a {
    grid-column: 2 / span 6;
    grid-row: 1;
    margin-top: 60px;
}

.panel-b {
    grid-column: 8 / span 4;
    grid-row: 2;
    margin-top: -40px;
    padding: 36px 30px;
    border-left: 1px solid rgba(168,230,207,0.2);
}

.panel-c {
    grid-column: 2 / span 3;
    grid-row: 3;
    margin-top: -30px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.panel-d {
    grid-column: 6 / span 6;
    grid-row: 3 / span 2;
    margin-top: 20px;
    padding: 48px 50px;
    background: rgba(42,61,92,0.22);
    border-radius: 4px 28px 4px 28px;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(168,230,207,0.14);
    box-shadow: 0 30px 70px rgba(13,19,33,0.4);
}

.panel-index,
.section-index {
    display: inline-block;
    font-family: var(--f-mono);
    font-size: 11px;
    letter-spacing: 0.3em;
    text-transform: uppercase;
    color: var(--c-seafoam);
    margin-bottom: 20px;
    opacity: 0.85;
}

.panel-title {
    font-family: var(--f-display);
    font-weight: 300;
    font-size: clamp(38px, 4.4vw, 62px);
    line-height: 1.05;
    color: var(--c-moon);
    letter-spacing: 0.02em;
    margin-bottom: 26px;
}

.panel-kicker {
    font-family: var(--f-sub);
    font-weight: 500;
    font-size: 16px;
    letter-spacing: 0.08em;
    color: var(--c-coral);
    margin-bottom: 18px;
}

.panel-body {
    font-family: var(--f-body);
    font-weight: 300;
    font-size: 17px;
    line-height: 1.85;
    color: rgba(232,244,248,0.82);
    max-width: 520px;
}

.panel-body.large {
    font-family: var(--f-sub);
    font-weight: 400;
    font-size: clamp(22px, 2.2vw, 30px);
    line-height: 1.5;
    color: var(--c-moon);
    max-width: none;
}

.panel-ornament {
    width: 150px;
    height: 150px;
    color: var(--c-seafoam);
    opacity: 0.75;
    animation: ornament-rotate 40s linear infinite;
    filter: drop-shadow(0 0 18px rgba(0,229,255,0.2));
}

.panel-ornament svg { width: 100%; height: 100%; }

@keyframes ornament-rotate {
    from { transform: rotate(0deg); }
    to   { transform: rotate(360deg); }
}

/* =========================
   DEPTHS (glass cards)
   ========================= */

.depths {
    position: relative;
    padding: 40px 6vw 200px;
    margin-top: -60px;
}

.depths-header {
    max-width: 720px;
    margin: 60px auto 70px 10vw;
}

.depths-title {
    font-family: var(--f-display);
    font-weight: 300;
    font-size: clamp(44px, 5.2vw, 76px);
    line-height: 1.05;
    color: var(--c-moon);
    letter-spacing: 0.02em;
    margin-bottom: 26px;
}

.depths-lede {
    font-family: var(--f-sub);
    font-weight: 400;
    font-size: 18px;
    line-height: 1.7;
    color: rgba(232,244,248,0.75);
    max-width: 560px;
}

.depths-grid {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    gap: 28px;
    max-width: 1440px;
    margin: 0 auto;
    perspective: 1200px;
}

.glass-card {
    position: relative;
    padding: 40px 36px 34px;
    background: rgba(42,61,92,0.32);
    backdrop-filter: blur(12px) saturate(130%);
    -webkit-backdrop-filter: blur(12px) saturate(130%);
    border: 1px solid rgba(168,230,207,0.16);
    border-radius: 4px 26px 4px 26px;
    overflow: hidden;
    transform-style: preserve-3d;
    transition:
        transform 600ms var(--ease-tidal),
        border-color 500ms var(--ease-tidal),
        box-shadow 600ms var(--ease-tidal);
    box-shadow: 0 24px 60px rgba(13,19,33,0.35);
    grid-column: span 6;
}

.glass-card.card-offset { transform: translateY(56px); }

.glass-card:nth-child(1) { grid-column: 1 / span 6; }
.glass-card:nth-child(2) { grid-column: 7 / span 6; }
.glass-card:nth-child(3) { grid-column: 2 / span 6; }
.glass-card:nth-child(4) { grid-column: 8 / span 5; }

.card-sheen {
    position: absolute;
    inset: -40%;
    background: conic-gradient(
        from var(--sheen-angle, 0deg) at var(--mx, 50%) var(--my, 50%),
        rgba(168,230,207,0.0) 0deg,
        rgba(168,230,207,0.22) 60deg,
        rgba(195,177,225,0.18) 140deg,
        rgba(255,183,178,0.15) 220deg,
        rgba(0,229,255,0.2) 300deg,
        rgba(168,230,207,0.0) 360deg);
    opacity: 0.25;
    mix-blend-mode: screen;
    pointer-events: none;
    transition: opacity 500ms var(--ease-tidal);
    filter: blur(20px);
}

.glass-card:hover .card-sheen { opacity: 0.55; }

.glass-card:hover {
    border-color: rgba(168,230,207,0.45);
    box-shadow:
        0 40px 90px rgba(13,19,33,0.55),
        0 0 40px rgba(0,229,255,0.15);
}

.card-tag {
    display: inline-block;
    font-family: var(--f-mono);
    font-size: 11px;
    letter-spacing: 0.28em;
    color: var(--c-coral);
    text-transform: uppercase;
    margin-bottom: 22px;
}

.card-title {
    font-family: var(--f-display);
    font-weight: 300;
    font-size: clamp(26px, 2.6vw, 36px);
    line-height: 1.1;
    color: var(--c-moon);
    letter-spacing: 0.03em;
    margin-bottom: 18px;
}

.card-body {
    font-family: var(--f-body);
    font-weight: 300;
    font-size: 15.5px;
    line-height: 1.8;
    color: rgba(232,244,248,0.78);
    margin-bottom: 26px;
}

.card-rule {
    width: 44px;
    height: 1px;
    background: linear-gradient(to right, var(--c-seafoam), transparent);
    margin-bottom: 16px;
}

.card-foot {
    font-family: var(--f-mono);
    font-size: 11px;
    letter-spacing: 0.2em;
    color: rgba(181,234,215,0.6);
    text-transform: lowercase;
    font-style: italic;
}

.depths-aside {
    display: grid;
    grid-template-columns: 80px 1fr;
    gap: 36px;
    max-width: 1100px;
    margin: 140px auto 20px;
    padding: 0 6vw;
    align-items: start;
}

.aside-line {
    width: 1px;
    height: 180px;
    background: linear-gradient(to bottom, transparent, var(--c-seafoam), transparent);
    justify-self: center;
    margin-top: 8px;
}

.aside-text {
    font-family: var(--f-sub);
    font-weight: 400;
    font-size: clamp(20px, 2vw, 26px);
    line-height: 1.6;
    color: var(--c-moon);
    max-width: 680px;
    margin-bottom: 32px;
}

.aside-markers {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px 36px;
    font-family: var(--f-mono);
    font-size: 12px;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: rgba(232,244,248,0.7);
}

.aside-markers li {
    display: flex;
    align-items: center;
    gap: 12px;
}

.marker-dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--c-coral);
    box-shadow: 0 0 10px rgba(255,183,178,0.6);
}

.aside-markers li:nth-child(2) .marker-dot { background: var(--c-lavender); box-shadow: 0 0 10px rgba(195,177,225,0.6); }
.aside-markers li:nth-child(3) .marker-dot { background: var(--c-pearl);    box-shadow: 0 0 10px rgba(181,234,215,0.6); }
.aside-markers li:nth-child(4) .marker-dot { background: var(--c-cyan);     box-shadow: 0 0 10px rgba(0,229,255,0.7);  }

/* =========================
   ABYSS (finale)
   ========================= */

.abyss {
    position: relative;
    min-height: 100vh;
    padding: 180px 6vw 80px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    overflow: hidden;
    background: radial-gradient(ellipse at 50% 100%, rgba(0,229,255,0.08), transparent 60%),
                linear-gradient(to bottom, transparent 0%, var(--c-current) 40%);
}

.abyss-bubbles {
    position: absolute;
    inset: 0;
    pointer-events: none;
    overflow: hidden;
}

.abyss-inner {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 760px;
}

.abyss-index {
    display: inline-block;
    margin-bottom: 48px;
}

.abyss-statement {
    font-family: var(--f-display);
    font-weight: 300;
    font-size: clamp(34px, 4.2vw, 52px);
    line-height: 1.3;
    letter-spacing: 0.04em;
    color: var(--c-moon);
    margin-bottom: 68px;
    text-wrap: balance;
}

.abyss-link {
    position: relative;
    display: inline-flex;
    align-items: center;
    padding: 22px 46px;
    margin-bottom: 60px;
    font-family: var(--f-sub);
    font-weight: 500;
    font-size: 20px;
    letter-spacing: 0.12em;
    color: var(--c-seafoam);
    isolation: isolate;
    transition: color 500ms var(--ease-tidal), text-shadow 500ms var(--ease-tidal);
}

.abyss-link .link-text {
    position: relative;
    z-index: 2;
    text-shadow: 0 0 12px rgba(0,229,255,0.28);
}

.abyss-link:hover .link-text {
    color: var(--c-cyan);
    text-shadow:
        0 0 12px rgba(0,229,255,0.7),
        0 0 30px rgba(168,230,207,0.4);
}

.link-ripple {
    position: absolute;
    inset: 0;
    border-radius: 999px;
    pointer-events: none;
}

.link-ripple::before,
.link-ripple::after,
.abyss-link::before {
    content: "";
    position: absolute;
    inset: 0;
    border-radius: 999px;
    border: 1px solid rgba(168,230,207,0.3);
    opacity: 0;
    transform: scale(1);
    pointer-events: none;
}

.abyss-link:hover .link-ripple::before {
    animation: ripple 1400ms ease-out infinite;
}
.abyss-link:hover .link-ripple::after {
    animation: ripple 1400ms ease-out 200ms infinite;
}
.abyss-link:hover::before {
    animation: ripple 1400ms ease-out 400ms infinite;
}

@keyframes ripple {
    0%   { transform: scale(1);    opacity: 0.8; border-color: rgba(168,230,207,0.55); }
    100% { transform: scale(1.6);  opacity: 0;   border-color: rgba(168,230,207,0); }
}

.abyss-small {
    font-family: var(--f-body);
    font-weight: 300;
    font-size: 14px;
    line-height: 1.85;
    color: rgba(232,244,248,0.55);
    letter-spacing: 0.04em;
}

.abyss-footer {
    position: relative;
    z-index: 2;
    margin-top: 120px;
    display: flex;
    align-items: center;
    gap: 18px;
    font-family: var(--f-mono);
    font-size: 11px;
    letter-spacing: 0.25em;
    text-transform: uppercase;
    color: rgba(168,230,207,0.5);
}

.foot-dot {
    width: 4px;
    height: 4px;
    border-radius: 50%;
    background: rgba(168,230,207,0.6);
    box-shadow: 0 0 6px rgba(168,230,207,0.7);
}

/* =========================
   Ripple on-click (global)
   ========================= */

.click-ripple {
    position: absolute;
    pointer-events: none;
    border-radius: 50%;
    border: 1px solid rgba(168,230,207,0.55);
    transform: translate(-50%, -50%) scale(0);
    animation: click-ring 900ms ease-out forwards;
    z-index: 999;
}

@keyframes click-ring {
    0%   { transform: translate(-50%, -50%) scale(0);    opacity: 0.9; }
    100% { transform: translate(-50%, -50%) scale(6);    opacity: 0; }
}

/* =========================
   Responsive
   ========================= */

@media (max-width: 960px) {
    .jelly-inner { gap: 22px; padding: 12px 22px; }
    .jelly-links { gap: 16px; font-size: 10px; }

    .surface-inner { margin-left: 0; }

    .broken-grid { grid-template-columns: 1fr; gap: 20px; }
    .panel-a, .panel-b, .panel-c, .panel-d {
        grid-column: 1 / -1;
        grid-row: auto;
        margin-top: 0;
        padding: 28px 22px;
    }

    .depths-header { margin-left: 4vw; margin-right: 4vw; }
    .depths-grid { grid-template-columns: 1fr; }
    .glass-card,
    .glass-card:nth-child(1),
    .glass-card:nth-child(2),
    .glass-card:nth-child(3),
    .glass-card:nth-child(4) {
        grid-column: 1 / -1;
        transform: none;
    }
    .glass-card.card-offset { transform: none; }

    .depths-aside { grid-template-columns: 1fr; }
    .aside-line { height: 60px; width: 1px; }
    .aside-markers { grid-template-columns: 1fr; }
}

@media (max-width: 560px) {
    .surface { padding: 80px 6vw 160px; }
    .surface-title { letter-spacing: 0.05em; }
    .abyss-footer { flex-direction: column; gap: 8px; }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    .bubble, .biolum, .caustic-layer, .panel-ornament,
    .scroll-chevron, .meta-dot {
        animation: none !important;
    }
    .reveal { transition: opacity 300ms linear; transform: none; }
}