/* LLITTL.com — inflated chrome mountains drifting through fizzy water */

:root {
    --chrome-silver: #C0C7D0;
    --liquid-mercury: #8E9AAB;
    --polished-steel: #4A5568;
    --bubble-highlight: #E8F4FD;
    --summit-white: #F7F8FA;
    --rose-chrome: #D4A0A0;
    --deep-glacier: #2D3748;
    --champagne-fizz: #F5E6CC;

    --font-display: 'Poiret One', 'Nunito', serif;
    --font-sub: 'Josefin Sans', 'Nunito', sans-serif;
    --font-body: 'Nunito', system-ui, sans-serif;

    --shadow-puff:
        inset 2px 2px 6px rgba(247, 248, 250, 0.85),
        inset -3px -3px 8px rgba(142, 154, 171, 0.55),
        0 8px 18px rgba(74, 85, 104, 0.18),
        0 22px 50px rgba(45, 55, 72, 0.18);
}

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

html { scroll-behavior: smooth; }

body {
    font-family: var(--font-body);
    color: var(--deep-glacier);
    background: var(--summit-white);
    overflow-x: hidden;
    line-height: 1.6;
    min-height: 100vh;
    /* atmospheric scroll-driven gradient */
    background:
        linear-gradient(
            to bottom,
            #F7F8FA 0%,
            #F7F8FA 14%,
            #E8F4FD 28%,
            #C0C7D0 55%,
            #8E9AAB 82%,
            #4A5568 100%
        );
    background-attachment: fixed;
}

/* ----- Atmosphere layer ----- */
.atmosphere {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 0;
}
.topo-pattern {
    position: absolute;
    inset: 0;
    opacity: 0.05;
    background-image:
        radial-gradient(circle at 20% 30%, transparent 0, transparent 60px, rgba(45,55,72,0.5) 60px, rgba(45,55,72,0.5) 62px, transparent 62px, transparent 100px, rgba(45,55,72,0.5) 100px, rgba(45,55,72,0.5) 102px, transparent 102px),
        radial-gradient(circle at 75% 65%, transparent 0, transparent 80px, rgba(45,55,72,0.5) 80px, rgba(45,55,72,0.5) 82px, transparent 82px, transparent 130px, rgba(45,55,72,0.5) 130px, rgba(45,55,72,0.5) 132px, transparent 132px);
    background-size: 480px 480px, 600px 600px;
    background-repeat: repeat;
}
.bubble-field {
    position: absolute;
    inset: 0;
    overflow: hidden;
}

/* ----- Bubbles ----- */
.bubble {
    position: absolute;
    border-radius: 50%;
    background:
        radial-gradient(circle at 30% 28%, #FFFFFF 0%, var(--bubble-highlight) 18%, var(--chrome-silver) 55%, var(--liquid-mercury) 100%);
    box-shadow:
        inset 1px 1px 3px rgba(247,248,250,0.9),
        inset -2px -3px 6px rgba(142,154,171,0.7),
        0 4px 10px rgba(74,85,104,0.18);
    pointer-events: auto;
    cursor: pointer;
    will-change: transform, opacity;
    transition: transform 280ms cubic-bezier(.34,1.56,.64,1);
}
.bubble.popping {
    animation: bubble-pop 380ms cubic-bezier(.34,1.56,.64,1) forwards;
    pointer-events: none;
}
.bubble.wobble { animation: bubble-wobble 600ms ease-in-out; }

@keyframes bubble-pop {
    0%   { transform: scale(1.25); opacity: 1; }
    60%  { transform: scale(1.45); opacity: 0.6; }
    100% { transform: scale(0); opacity: 0; }
}
@keyframes bubble-wobble {
    0%,100% { transform: scale(1.18) rotate(0); }
    25% { transform: scale(1.22, 1.14) rotate(-3deg); }
    75% { transform: scale(1.14, 1.22) rotate(3deg); }
}

/* ----- Navigation pill ----- */
.nav-pill {
    position: fixed;
    top: 26px;
    right: 26px;
    z-index: 50;
    background:
        linear-gradient(145deg, #F7F8FA 0%, #C0C7D0 50%, #8E9AAB 100%);
    border-radius: 50px;
    padding: 10px;
    box-shadow: var(--shadow-puff);
    transition: all 320ms cubic-bezier(.34,1.56,.64,1);
}
.nav-pill:hover { transform: scale(1.08); }
.nav-pill.open {
    border-radius: 26px;
    padding: 14px 22px 18px;
}
.nav-toggle {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    border: none;
    background:
        radial-gradient(circle at 30% 30%, var(--summit-white), var(--chrome-silver) 60%, var(--liquid-mercury));
    box-shadow:
        inset 1px 1px 3px rgba(247,248,250,0.9),
        inset -2px -2px 4px rgba(142,154,171,0.7);
    cursor: pointer;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 4px;
}
.nav-dot {
    width: 5px; height: 5px;
    background: var(--polished-steel);
    border-radius: 50%;
    transition: transform 240ms ease;
}
.nav-pill.open .nav-toggle .nav-dot:nth-child(1) { transform: translateY(7px) rotate(45deg) scaleX(2); }
.nav-pill.open .nav-toggle .nav-dot:nth-child(2) { opacity: 0; }
.nav-pill.open .nav-toggle .nav-dot:nth-child(3) { transform: translateY(-7px) rotate(-45deg) scaleX(2); }

.nav-menu {
    list-style: none;
    max-height: 0;
    overflow: hidden;
    margin-top: 0;
    transition: max-height 380ms cubic-bezier(.34,1.56,.64,1), margin-top 320ms ease;
}
.nav-pill.open .nav-menu {
    max-height: 240px;
    margin-top: 14px;
}
.nav-menu li {
    opacity: 0;
    transform: translateX(20px);
    transition: opacity 320ms ease, transform 320ms cubic-bezier(.34,1.56,.64,1);
    padding: 6px 0;
}
.nav-pill.open .nav-menu li {
    opacity: 1;
    transform: translateX(0);
}
.nav-pill.open .nav-menu li:nth-child(1) { transition-delay: 80ms; }
.nav-pill.open .nav-menu li:nth-child(2) { transition-delay: 160ms; }
.nav-pill.open .nav-menu li:nth-child(3) { transition-delay: 240ms; }
.nav-pill.open .nav-menu li:nth-child(4) { transition-delay: 320ms; }
.nav-menu a {
    text-decoration: none;
    color: var(--deep-glacier);
    font-family: var(--font-sub);
    font-weight: 600;
    font-size: 14px;
    letter-spacing: 0.18em;
    text-transform: uppercase;
}
.nav-menu a:hover { color: var(--rose-chrome); }

/* ----- Zones ----- */
.zone {
    position: relative;
    z-index: 1;
    padding: 120px 6vw;
    min-height: 100vh;
}

/* ----- Summit Zone ----- */
.summit-zone {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding-top: 8vh;
    padding-bottom: 6vh;
    overflow: hidden;
}
.mountain-stack {
    position: absolute;
    inset: auto 0 0 0;
    height: 78%;
    pointer-events: none;
}
.mountain {
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    border-radius: 60% 60% 8% 8% / 80% 80% 6% 6%;
    filter: blur(0.4px);
}
.mountain-back {
    width: 140%;
    height: 70%;
    background: radial-gradient(ellipse at 50% 30%, #8E9AAB 0%, #6B788A 60%, #4A5568 100%);
    box-shadow:
        inset 8px 12px 30px rgba(247,248,250,0.18),
        inset -10px -18px 50px rgba(45,55,72,0.55);
    opacity: 0.85;
}
.mountain-mid {
    width: 110%;
    height: 56%;
    background: radial-gradient(ellipse at 45% 30%, #C0C7D0 0%, #A0AAB8 55%, #6B788A 100%);
    box-shadow:
        inset 10px 14px 36px rgba(247,248,250,0.5),
        inset -14px -22px 60px rgba(74,85,104,0.55),
        0 -10px 40px rgba(232,244,253,0.3);
    transform: translateX(-58%);
}
.mountain-front {
    width: 80%;
    height: 42%;
    background: radial-gradient(ellipse at 40% 28%, #F7F8FA 0%, #D8DEE6 28%, #C0C7D0 60%, #8E9AAB 100%);
    box-shadow:
        inset 14px 18px 50px rgba(255,255,255,0.85),
        inset -18px -26px 70px rgba(74,85,104,0.5),
        0 -14px 60px rgba(232,244,253,0.4),
        0 30px 80px rgba(45,55,72,0.25);
    transform: translateX(-42%);
}

.summit-content {
    position: relative;
    z-index: 3;
    text-align: center;
    padding: 0 5vw;
    max-width: 1200px;
}
.eyebrow {
    font-family: var(--font-sub);
    font-weight: 300;
    letter-spacing: 0.42em;
    text-transform: uppercase;
    font-size: 13px;
    color: var(--polished-steel);
    margin-bottom: 22px;
}
.wordmark {
    font-family: var(--font-display);
    font-size: clamp(3.5rem, 14vw, 11rem);
    line-height: 0.95;
    letter-spacing: 0.04em;
    color: transparent;
    background:
        linear-gradient(180deg, #F7F8FA 0%, #C0C7D0 45%, #8E9AAB 100%);
    -webkit-background-clip: text;
    background-clip: text;
    text-shadow:
        2px 2px 0 rgba(247,248,250,0.6),
        -2px -2px 0 rgba(74,85,104,0.35),
        0 8px 24px rgba(45,55,72,0.18);
    display: inline-flex;
    gap: 0.04em;
    filter: drop-shadow(0 6px 14px rgba(74,85,104,0.25));
}
.wordmark .letter { display: inline-block; transition: transform 600ms cubic-bezier(.34,1.56,.64,1); }
.wordmark .l1 { transform: scale(1.04) translateY(-2%); }
.wordmark .l2 { transform: scale(0.92) translateY(2%); }
.wordmark .l3 { transform: scale(1.10) translateY(-1%); }
.wordmark .l4 { transform: scale(0.96) translateY(3%); }
.wordmark .l5 { transform: scale(1.02) translateY(-2%); }
.wordmark .l6 { transform: scale(0.94) translateY(1%); }
.wordmark:hover .letter { transform: scale(1) translateY(0); }

.summit-tag {
    margin-top: 28px;
    font-family: var(--font-sub);
    font-weight: 300;
    font-size: clamp(15px, 1.4vw, 19px);
    color: var(--polished-steel);
    max-width: 540px;
    margin-left: auto;
    margin-right: auto;
    letter-spacing: 0.04em;
}

.bubble-pool {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 30%;
    pointer-events: none;
    background:
        radial-gradient(ellipse at 50% 100%, rgba(232,244,253,0.6) 0%, rgba(192,199,208,0.3) 40%, transparent 70%);
}

/* ----- Art deco fans ----- */
.art-deco-fan {
    position: absolute;
    width: 280px;
    height: 140px;
    background:
        repeating-conic-gradient(
            from 180deg at 50% 100%,
            transparent 0deg,
            transparent 8deg,
            rgba(74,85,104,0.18) 8deg,
            rgba(74,85,104,0.18) 9deg
        );
    -webkit-mask: radial-gradient(circle at 50% 100%, black 60%, transparent 62%);
            mask: radial-gradient(circle at 50% 100%, black 60%, transparent 62%);
    opacity: 0.7;
}
.fan-summit { left: 50%; transform: translateX(-50%); bottom: 8px; }
.fan-cascade { right: 6vw; top: 40px; transform: rotate(180deg); width: 200px; height: 100px; opacity: 0.5; }

/* ----- Cascade Zone ----- */
.cascade-zone {
    padding-top: 160px;
    padding-bottom: 180px;
}
.zone-header {
    max-width: 640px;
    margin-bottom: 80px;
    padding-left: 4vw;
}
.section-tag {
    font-family: var(--font-sub);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.4em;
    font-size: 12px;
    color: var(--rose-chrome);
    display: inline-block;
    margin-bottom: 18px;
    padding: 6px 14px;
    border-radius: 30px;
    background: linear-gradient(145deg, var(--summit-white), var(--chrome-silver));
    box-shadow:
        inset 1px 1px 2px rgba(247,248,250,0.9),
        inset -1px -1px 2px rgba(142,154,171,0.5),
        0 4px 10px rgba(74,85,104,0.12);
}
.section-title {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    line-height: 1.05;
    color: var(--deep-glacier);
    margin-bottom: 24px;
    letter-spacing: 0.02em;
}
.section-lede {
    font-family: var(--font-sub);
    font-weight: 300;
    font-size: clamp(15px, 1.3vw, 19px);
    color: var(--polished-steel);
    max-width: 560px;
    line-height: 1.6;
}

.cascade-flow {
    position: relative;
    max-width: 1180px;
    margin: 0 auto;
}
.puff-card {
    position: relative;
    width: min(440px, 86vw);
    padding: 38px 36px 34px;
    background:
        linear-gradient(145deg, rgba(247,248,250,0.85) 0%, rgba(232,244,253,0.65) 50%, rgba(192,199,208,0.7) 100%);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border-radius: 36px;
    box-shadow: var(--shadow-puff);
    margin-bottom: 56px;
    transition: transform 420ms cubic-bezier(.34,1.56,.64,1), box-shadow 420ms ease;
}
.puff-card:hover {
    transform: translateY(-6px) scale(1.02);
}
.card-a { margin-left: 4vw; }
.card-b { margin-left: 26vw; transform: rotate(-1deg); }
.card-c { margin-left: 10vw; transform: rotate(0.7deg); }
.card-d { margin-left: 32vw; transform: rotate(-0.5deg); }
.card-b:hover, .card-c:hover, .card-d:hover { transform: translateY(-6px) scale(1.02) rotate(0); }

.puff-card h3 {
    font-family: var(--font-display);
    font-size: 2rem;
    color: var(--deep-glacier);
    margin-bottom: 12px;
    letter-spacing: 0.04em;
}
.puff-card p {
    font-family: var(--font-body);
    font-weight: 400;
    color: var(--polished-steel);
    font-size: 16px;
    line-height: 1.65;
}

.card-glyph {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    margin-bottom: 22px;
    background:
        radial-gradient(circle at 30% 30%, var(--summit-white), var(--chrome-silver) 60%, var(--liquid-mercury));
    box-shadow:
        inset 2px 2px 4px rgba(247,248,250,0.9),
        inset -2px -3px 5px rgba(142,154,171,0.7),
        0 6px 14px rgba(74,85,104,0.2);
    position: relative;
}
.glyph-mountain::after {
    content: '';
    position: absolute;
    inset: 14px 10px 14px 10px;
    background: linear-gradient(180deg, var(--summit-white), var(--liquid-mercury));
    clip-path: polygon(0% 100%, 25% 40%, 50% 70%, 75% 25%, 100% 100%);
}
.glyph-bubble::after {
    content: '';
    position: absolute;
    inset: 14px;
    border-radius: 50%;
    background:
        radial-gradient(circle at 35% 30%, #FFFFFF 0%, var(--bubble-highlight) 35%, transparent 70%);
}
.glyph-fan::after {
    content: '';
    position: absolute;
    inset: 12px 10px 8px 10px;
    background: repeating-conic-gradient(from 200deg at 50% 100%, transparent 0deg, transparent 10deg, var(--polished-steel) 10deg, var(--polished-steel) 11deg);
    -webkit-mask: radial-gradient(circle at 50% 100%, black 60%, transparent 62%);
            mask: radial-gradient(circle at 50% 100%, black 60%, transparent 62%);
}
.glyph-rose {
    background:
        radial-gradient(circle at 30% 30%, #FCEFEF, var(--rose-chrome) 60%, #A87878);
}

/* ----- Valley Zone ----- */
.valley-zone {
    padding-top: 160px;
    padding-bottom: 220px;
    position: relative;
}
.pebble-fan {
    position: relative;
    margin: 80px auto 80px;
    width: 100%;
    max-width: 1100px;
    height: 380px;
    display: flex;
    justify-content: center;
    align-items: flex-end;
}
.pebble {
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 130px;
    height: 130px;
    border-radius: 50%;
    transform: translate(-50%, 0) rotate(var(--angle)) translateY(-220px) rotate(calc(var(--angle) * -1));
    background:
        radial-gradient(circle at 32% 30%, var(--summit-white) 0%, var(--bubble-highlight) 28%, var(--chrome-silver) 60%, var(--liquid-mercury) 100%);
    box-shadow: var(--shadow-puff);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: transform 360ms cubic-bezier(.34,1.56,.64,1), box-shadow 360ms ease;
}
.pebble span {
    font-family: var(--font-sub);
    font-weight: 600;
    font-size: 13px;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--polished-steel);
}
.pebble:hover {
    transform: translate(-50%, 0) rotate(var(--angle)) translateY(-240px) rotate(calc(var(--angle) * -1)) scale(1.16);
    box-shadow:
        inset 2px 2px 6px rgba(247,248,250,0.95),
        inset -3px -4px 10px rgba(142,154,171,0.7),
        0 14px 30px rgba(74,85,104,0.3),
        0 0 0 4px rgba(245,230,204,0.4);
}
.pebble.popped { animation: pebble-pop 460ms cubic-bezier(.34,1.56,.64,1) forwards; }
@keyframes pebble-pop {
    0%   { opacity: 1; }
    50%  { transform: translate(-50%, 0) rotate(var(--angle)) translateY(-240px) rotate(calc(var(--angle) * -1)) scale(1.4); opacity: 0.7; }
    100% { transform: translate(-50%, 0) rotate(var(--angle)) translateY(-240px) rotate(calc(var(--angle) * -1)) scale(0); opacity: 0; }
}

.valley-tale {
    max-width: 640px;
    margin: 0 auto;
    text-align: center;
    padding: 30px 36px;
    background: linear-gradient(145deg, rgba(247,248,250,0.5), rgba(232,244,253,0.35));
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-radius: 30px;
    box-shadow:
        inset 1px 1px 3px rgba(247,248,250,0.8),
        inset -1px -2px 4px rgba(142,154,171,0.4),
        0 14px 30px rgba(45,55,72,0.15);
}
.valley-tale p {
    font-family: var(--font-sub);
    font-weight: 300;
    color: var(--summit-white);
    font-size: 17px;
    line-height: 1.7;
}

/* ----- Reflection Pool ----- */
.pool-zone {
    padding-top: 100px;
    padding-bottom: 80px;
    background: linear-gradient(180deg, rgba(45,55,72,0.0) 0%, rgba(45,55,72,0.5) 60%, rgba(45,55,72,0.85) 100%);
    position: relative;
    overflow: hidden;
}
.reflection-stack {
    position: absolute;
    inset: 0 0 auto 0;
    height: 60%;
    transform: scaleY(-1);
    opacity: 0.3;
    filter: blur(4px);
    pointer-events: none;
}
.reflection-stack .mountain { bottom: auto; top: 0; }
.pool-content {
    position: relative;
    z-index: 2;
    max-width: 700px;
    margin: 0 auto;
    text-align: center;
    padding: 80px 4vw 40px;
}
.pool-title {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    color: var(--summit-white);
    line-height: 1.05;
    letter-spacing: 0.03em;
    margin-bottom: 24px;
    text-shadow: 0 4px 30px rgba(45,55,72,0.6);
}
.pool-lede {
    font-family: var(--font-sub);
    font-weight: 300;
    color: var(--bubble-highlight);
    font-size: 18px;
    line-height: 1.7;
    margin-bottom: 50px;
}
.pool-meta {
    display: inline-flex;
    align-items: center;
    gap: 14px;
    flex-wrap: wrap;
    justify-content: center;
    padding: 14px 28px;
    border-radius: 50px;
    background: linear-gradient(145deg, rgba(192,199,208,0.18), rgba(142,154,171,0.18));
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    box-shadow:
        inset 1px 1px 2px rgba(247,248,250,0.4),
        inset -1px -1px 2px rgba(45,55,72,0.4);
    color: var(--chrome-silver);
    font-family: var(--font-sub);
    font-weight: 300;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    font-size: 11px;
}
.pool-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--rose-chrome);
    box-shadow: 0 0 8px rgba(212,160,160,0.7);
}

/* ----- Inflate-on-scroll ----- */
.inflate-on-scroll {
    opacity: 0;
    transform: scale(0.8) translateY(30px);
    transition: opacity 720ms cubic-bezier(.34,1.56,.64,1), transform 720ms cubic-bezier(.34,1.56,.64,1);
}
.inflate-on-scroll.inflated {
    opacity: 1;
    transform: scale(1) translateY(0);
}

/* Stagger sibling delays inside .cascade-flow */
.cascade-flow .inflate-on-scroll:nth-child(1).inflated { transition-delay: 0ms; }
.cascade-flow .inflate-on-scroll:nth-child(2).inflated { transition-delay: 80ms; }
.cascade-flow .inflate-on-scroll:nth-child(3).inflated { transition-delay: 160ms; }
.cascade-flow .inflate-on-scroll:nth-child(4).inflated { transition-delay: 240ms; }

/* ----- Responsive ----- */
@media (max-width: 720px) {
    .zone { padding: 100px 5vw; }
    .puff-card { width: 92vw; margin-left: 0 !important; transform: none !important; }
    .pebble { width: 96px; height: 96px; }
    .pebble span { font-size: 11px; }
    .pebble-fan { height: 280px; }
    .pebble {
        transform: translate(-50%, 0) rotate(var(--angle)) translateY(-150px) rotate(calc(var(--angle) * -1));
    }
    .pebble:hover {
        transform: translate(-50%, 0) rotate(var(--angle)) translateY(-160px) rotate(calc(var(--angle) * -1)) scale(1.12);
    }
    .nav-pill { top: 14px; right: 14px; }
}