/* ============================================
   diplomatic.quest — Seapunk Diplomatic Summit
   Horizontal-scroll deep-sea passage
   ============================================ */

/* === CSS Custom Properties === */
:root {
    --abyss-black: #060e18;
    --deep-navy: #0a1628;
    --dark-blue-green: #0d2235;
    --mid-blue-green: #112a3e;
    --deep-teal: #1a3a4a;
    --mid-ocean: #0d2e3a;
    --medium-teal: #2a7a6a;
    --bright-teal: #4ecdc4;
    --light-aqua: #b8e6d8;
    --parchment: #e8e4dc;
    --copper: #c4956a;
    --warm-brown: #a0725a;
    --font-mono: 'Space Mono', monospace;
    --font-display: 'Cormorant Garamond', serif;
}

/* === Reset & Base === */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    overflow: hidden;
    height: 100vh;
    width: 100vw;
}

body {
    font-family: var(--font-mono);
    background: var(--deep-navy);
    color: var(--parchment);
    overflow: hidden;
    height: 100vh;
    width: 100vw;
    cursor: default;
}

/* === Horizontal Scroll Container === */
#scroll-container {
    display: flex;
    height: 100vh;
    width: 500vw;
    transition: transform 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

/* === Chamber (each viewport-width section) === */
.chamber {
    position: relative;
    width: 100vw;
    height: 100vh;
    flex-shrink: 0;
    overflow: hidden;
}

/* === Chamber Backgrounds === */
.chamber-bg {
    position: absolute;
    inset: 0;
    z-index: 1;
}

#chamber-1 { background: linear-gradient(180deg, var(--mid-blue-green) 0%, var(--deep-navy) 60%, var(--abyss-black) 100%); }
#chamber-2 { background: linear-gradient(180deg, var(--deep-navy) 0%, var(--mid-ocean) 30%, var(--dark-blue-green) 60%, var(--abyss-black) 100%); }
#chamber-3 { background: linear-gradient(180deg, var(--dark-blue-green) 0%, var(--deep-navy) 50%, var(--abyss-black) 100%); }
#chamber-4 { background: linear-gradient(180deg, var(--abyss-black) 0%, #040b14 60%, #020508 100%); }
#chamber-5 { background: linear-gradient(180deg, #020508 0%, #010304 50%, #000102 100%); }

/* === Mountain Silhouettes === */
.mountain-layer {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    z-index: 2;
}

.mountain-back {
    height: 30%;
    background: var(--dark-blue-green);
    clip-path: polygon(
        0% 100%, 0% 70%, 5% 55%, 10% 65%, 15% 40%, 20% 50%, 25% 35%,
        30% 55%, 35% 30%, 40% 45%, 45% 25%, 50% 40%, 55% 20%, 60% 35%,
        65% 45%, 70% 30%, 75% 50%, 80% 35%, 85% 55%, 90% 40%, 95% 60%, 100% 50%, 100% 100%
    );
    opacity: 0.6;
}

.mountain-mid {
    height: 25%;
    background: var(--mid-blue-green);
    clip-path: polygon(
        0% 100%, 0% 80%, 8% 60%, 14% 70%, 22% 45%, 28% 55%, 35% 40%,
        42% 60%, 48% 35%, 55% 50%, 62% 30%, 68% 45%, 75% 55%, 82% 40%,
        88% 65%, 94% 50%, 100% 60%, 100% 100%
    );
    opacity: 0.7;
}

.mountain-front {
    height: 20%;
    background: var(--deep-teal);
    clip-path: polygon(
        0% 100%, 0% 75%, 6% 55%, 12% 65%, 20% 50%, 26% 60%, 34% 45%,
        40% 55%, 48% 40%, 54% 50%, 60% 35%, 66% 55%, 72% 45%, 80% 60%,
        86% 50%, 92% 65%, 100% 55%, 100% 100%
    );
    opacity: 0.8;
}

/* Deeper chambers have darker mountains */
#chamber-3 .mountain-back { background: #091a2a; opacity: 0.5; }
#chamber-3 .mountain-mid { background: #0c2030; opacity: 0.6; }
#chamber-3 .mountain-front { background: var(--dark-blue-green); opacity: 0.7; }

#chamber-4 .mountain-back { background: #050d18; opacity: 0.4; }
#chamber-4 .mountain-mid { background: #081520; opacity: 0.5; }
#chamber-4 .mountain-front { background: #0a1a28; opacity: 0.6; }

#chamber-5 .mountain-back { background: #030810; opacity: 0.3; }
#chamber-5 .mountain-mid { background: #050d15; opacity: 0.4; }
#chamber-5 .mountain-front { background: #07111a; opacity: 0.5; }

/* === Chamber Content === */
.chamber-content {
    position: relative;
    z-index: 10;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    height: 100%;
    padding: 60px;
}

/* === Navigation === */
#chamber-nav {
    position: fixed;
    top: 50%;
    right: 30px;
    transform: translateY(-50%);
    z-index: 100;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
}

.nav-numeral {
    background: none;
    border: 1px solid rgba(78, 205, 196, 0.3);
    color: var(--parchment);
    font-family: var(--font-mono);
    font-size: 12px;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.4s ease;
    opacity: 0.5;
}

.nav-numeral:hover {
    border-color: var(--bright-teal);
    opacity: 0.8;
    box-shadow: 0 0 12px rgba(78, 205, 196, 0.2);
}

.nav-numeral.active {
    border-color: var(--bright-teal);
    color: var(--bright-teal);
    opacity: 1;
    box-shadow: 0 0 20px rgba(78, 205, 196, 0.3);
}

.nav-depth-indicator {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-top: 12px;
    gap: 4px;
}

.depth-label {
    font-size: 0.75rem;
    letter-spacing: 3px;
    color: var(--copper);
    opacity: 0.7;
}

.depth-value {
    font-size: 11px;
    color: var(--bright-teal);
    opacity: 0.8;
}

/* === Chamber 1: Surface Approach === */
.surface-approach {
    text-align: center;
}

.logotype-block {
    position: relative;
}

.logotype-pre {
    display: block;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 4px;
    color: var(--copper);
    margin-bottom: 20px;
    opacity: 0.7;
}

.logotype {
    font-family: var(--font-mono);
    font-size: clamp(36px, 3vw, 60px);
    font-weight: 700;
    letter-spacing: 8px;
    color: var(--parchment);
    text-transform: lowercase;
    text-shadow: 0 0 40px rgba(78, 205, 196, 0.3), 0 0 80px rgba(78, 205, 196, 0.1);
}

.logotype-divider {
    width: 120px;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--bright-teal), transparent);
    margin: 24px auto;
    opacity: 0.6;
}

.logotype-sub {
    font-size: 11px;
    letter-spacing: 3px;
    line-height: 2;
    color: var(--light-aqua);
    opacity: 0.6;
}

.surface-shimmer {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        180deg,
        rgba(78, 205, 196, 0.05) 0%,
        transparent 30%,
        transparent 70%,
        rgba(78, 205, 196, 0.02) 100%
    );
    pointer-events: none;
    z-index: 0;
    animation: shimmer 8s ease-in-out infinite;
}

@keyframes shimmer {
    0%, 100% { opacity: 0.3; }
    50% { opacity: 0.8; }
}

.scroll-prompt {
    position: absolute;
    bottom: 80px;
    display: flex;
    align-items: center;
    gap: 12px;
    animation: pulsePrompt 3s ease-in-out infinite;
}

.scroll-prompt-text {
    font-size: 10px;
    letter-spacing: 4px;
    color: var(--bright-teal);
    opacity: 0.6;
}

.scroll-prompt-arrow {
    animation: arrowBounce 2s ease-in-out infinite;
}

@keyframes pulsePrompt {
    0%, 100% { opacity: 0.4; }
    50% { opacity: 1; }
}

@keyframes arrowBounce {
    0%, 100% { transform: translateX(0); }
    50% { transform: translateX(8px); }
}

/* === Chamber Labels === */
.chamber-label {
    text-transform: uppercase;
    display: block;
    font-size: 10px;
    letter-spacing: 5px;
    color: var(--copper);
    opacity: 0.8;
    margin-bottom: 12px;
}

.header-line {
    width: 60px;
    height: 1px;
    background: var(--copper);
    opacity: 0.4;
    margin-bottom: 40px;
}

/* === Chamber 2: Treaty Hall === */
.treaty-hall {
    align-items: flex-start;
    padding: 80px 100px;
}

.treaty-columns {
    display: flex;
    gap: 80px;
    max-width: 900px;
}

.treaty-column {
    flex: 1;
    border-left: 1px solid rgba(78, 205, 196, 0.15);
    padding-left: 30px;
}

.treaty-title {
    font-family: var(--font-display);
    font-size: 28px;
    font-weight: 600;
    color: var(--parchment);
    margin-bottom: 20px;
    letter-spacing: 1px;
}

.accent-text {
    color: var(--bright-teal);
}

.treaty-body {
    font-size: 0.9rem;
    line-height: 1.9;
    color: var(--light-aqua);
    opacity: 0.7;
    margin-bottom: 30px;
}

.treaty-seal {
    opacity: 0.6;
    transition: opacity 0.4s ease;
}

.treaty-seal:hover {
    opacity: 1;
}

/* === Chamber 3: Negotiation Chamber === */
.negotiation-chamber {
    align-items: flex-start;
    padding: 80px 80px;
}

.negotiation-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    max-width: 800px;
}

.negotiation-card {
    position: relative;
    border: 1px solid rgba(78, 205, 196, 0.12);
    padding: 30px;
    background: rgba(10, 22, 40, 0.6);
    transition: all 0.5s ease;
    overflow: hidden;
}

.negotiation-card:hover {
    border-color: rgba(78, 205, 196, 0.35);
    background: rgba(10, 22, 40, 0.8);
}

.negotiation-card:hover .card-glow {
    opacity: 1;
}

.card-number {
    font-size: 32px;
    font-weight: 700;
    color: var(--bright-teal);
    opacity: 0.15;
    position: absolute;
    top: 15px;
    right: 20px;
}

.card-title {
    font-family: var(--font-display);
    font-size: 20px;
    font-weight: 600;
    color: var(--parchment);
    margin-bottom: 12px;
}

.card-text {
    font-size: 12px;
    line-height: 1.8;
    color: var(--light-aqua);
    opacity: 0.6;
}

.card-glow {
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--bright-teal), transparent);
    opacity: 0;
    transition: opacity 0.5s ease;
}

/* === Chamber 4: Bioluminescent Summit === */
.bioluminescent-summit {
    justify-content: center;
    align-items: center;
    text-align: center;
}

.summit-center {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

.summit-glow-ring {
    position: absolute;
    width: 400px;
    height: 400px;
    border-radius: 50%;
    border: 1px solid rgba(78, 205, 196, 0.1);
    animation: pulseRing 6s ease-in-out infinite;
}

.summit-glow-ring.ring-2 {
    width: 300px;
    height: 300px;
    border-color: rgba(78, 205, 196, 0.15);
    animation-delay: -2s;
}

.summit-glow-ring.ring-3 {
    width: 200px;
    height: 200px;
    border-color: rgba(78, 205, 196, 0.2);
    animation-delay: -4s;
}

@keyframes pulseRing {
    0%, 100% { transform: scale(1); opacity: 0.3; }
    50% { transform: scale(1.1); opacity: 0.7; }
}

.summit-text-block {
    position: relative;
    z-index: 5;
    max-width: 550px;
}

.summit-title {
    font-family: var(--font-display);
    font-size: 36px;
    font-weight: 600;
    color: var(--parchment);
    margin-bottom: 24px;
}

.glow-text {
    color: var(--bright-teal);
    text-shadow: 0 0 20px rgba(78, 205, 196, 0.5), 0 0 40px rgba(78, 205, 196, 0.2);
}

.summit-body {
    font-size: 13px;
    line-height: 2;
    color: var(--light-aqua);
    opacity: 0.6;
    margin-bottom: 40px;
}

.summit-signatories {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
}

.signatory {
    font-size: 10px;
    letter-spacing: 3px;
    color: var(--copper);
    opacity: 0.7;
}

.signatory-dot {
    width: 4px;
    height: 4px;
    border-radius: 50%;
    background: var(--bright-teal);
    opacity: 0.4;
}

/* === Chamber 5: Abyss Protocol === */
.abyss-protocol {
    justify-content: center;
    align-items: center;
    text-align: center;
}

.abyss-content {
    max-width: 500px;
}

.abyss-transmission {
    text-align: left;
    margin-bottom: 40px;
}

.transmission-line {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
    opacity: 0;
    transform: translateX(-10px);
    transition: all 0.5s ease;
}

.transmission-line.visible {
    opacity: 1;
    transform: translateX(0);
}

.transmission-prefix {
    color: var(--bright-teal);
    font-size: 12px;
    opacity: 0.6;
}

.transmission-text {
    font-size: 13px;
    letter-spacing: 3px;
    color: var(--parchment);
    opacity: 0.8;
}

.abyss-seal {
    margin: 30px auto;
    animation: sealRotate 30s linear infinite;
}

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

.abyss-closing {
    font-family: var(--font-display);
    font-style: italic;
    font-size: 18px;
    color: var(--light-aqua);
    opacity: 0.5;
    margin-top: 30px;
    letter-spacing: 1px;
}

/* === Bioluminescent Particles === */
.bioluminescent-particles, .bubble-field {
    position: absolute;
    inset: 0;
    z-index: 5;
    pointer-events: none;
    overflow: hidden;
}

.particle {
    position: absolute;
    border-radius: 50%;
    background: var(--bright-teal);
    opacity: 0;
    animation: particleFloat linear infinite;
}

@keyframes particleFloat {
    0% { opacity: 0; transform: translateY(0) translateX(0); }
    10% { opacity: 0.6; }
    90% { opacity: 0.6; }
    100% { opacity: 0; transform: translateY(-100vh) translateX(20px); }
}

.bubble {
    position: absolute;
    border-radius: 50%;
    border: 1px solid rgba(78, 205, 196, 0.2);
    background: rgba(78, 205, 196, 0.03);
    animation: bubbleRise linear infinite;
}

@keyframes bubbleRise {
    0% { opacity: 0; transform: translateY(0) scale(0.5); }
    10% { opacity: 0.5; }
    80% { opacity: 0.3; }
    100% { opacity: 0; transform: translateY(-100vh) scale(1.2); }
}

/* === Chamber Transitions === */
.chamber-content {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.8s ease 0.3s, transform 0.8s ease 0.3s;
}

.chamber.active .chamber-content {
    opacity: 1;
    transform: translateY(0);
}

/* === Responsive === */
@media (max-width: 768px) {
    .treaty-columns {
        flex-direction: column;
        gap: 40px;
    }

    .negotiation-grid {
        grid-template-columns: 1fr;
    }

    .chamber-content {
        padding: 40px 30px;
    }

    .treaty-hall {
        padding: 60px 30px;
    }

    .negotiation-chamber {
        padding: 60px 30px;
    }

    #chamber-nav {
        right: 15px;
    }

    .nav-numeral {
        width: 28px;
        height: 28px;
        font-size: 10px;
    }

    .logotype {
        letter-spacing: 4px;
    }

    .summit-glow-ring {
        width: 250px;
        height: 250px;
    }

    .summit-glow-ring.ring-2 {
        width: 180px;
        height: 180px;
    }

    .summit-glow-ring.ring-3 {
        width: 120px;
        height: 120px;
    }
}