/* ============================================================
   gabs.news — Cinematic Dark-Academia News Broadcast
   ============================================================ */

/* --- CSS Custom Properties --- */
:root {
    --studio-dark: #0F0D0A;
    --desk-mahogany: #1C1714;
    --parchment-gold: #E8D5B5;
    --amber-wash: #C4956A;
    --phosphor-green: #4ADE80;
    --red-thread: #B33A3A;
    --muted-parchment: #C8BFAE;
    --chyron-band: #1A1612;
    --bright-parchment: #F0E6D3;

    --font-display: 'Playfair Display', Georgia, serif;
    --font-korean: 'Noto Serif KR', serif;
    --font-body: 'IBM Plex Sans', 'Helvetica Neue', Arial, sans-serif;
    --font-ticker: 'Space Mono', 'Courier New', monospace;
}

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

html {
    scroll-behavior: smooth;
    overflow-x: hidden;
}

body {
    background: var(--studio-dark);
    color: var(--muted-parchment);
    font-family: var(--font-body);
    font-size: clamp(0.95rem, 1.2vw, 1.1rem);
    line-height: 1.65;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* --- CRT Scanline Overlay --- */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: repeating-linear-gradient(
        transparent,
        transparent 2px,
        rgba(0, 0, 0, 0.06) 2px,
        rgba(0, 0, 0, 0.06) 4px
    );
    pointer-events: none;
    z-index: 9999;
    opacity: 0;
    transition: opacity 0.4s ease;
}

body.scanlines-active::before {
    opacity: 1;
}

/* --- 값 Watermark --- */
#gabs-watermark {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-family: var(--font-korean);
    font-weight: 900;
    font-size: 30vw;
    color: var(--desk-mahogany);
    pointer-events: none;
    z-index: 0;
    opacity: 0;
    transition: opacity 1s ease;
    animation: watermark-drift 40s ease-in-out infinite;
    user-select: none;
}

body.watermark-active #gabs-watermark {
    opacity: 1;
}

@keyframes watermark-drift {
    0%, 100% { transform: translate(-50%, -50%) translateY(0); }
    50% { transform: translate(-50%, -50%) translateY(10px); }
}

/* --- SVG Noise (hidden) --- */
.svg-noise {
    position: absolute;
    width: 0;
    height: 0;
    overflow: hidden;
}

/* ============================================================
   SECTION: OPENING SEQUENCE
   ============================================================ */
.section-opening {
    position: relative;
    width: 100%;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--studio-dark);
    overflow: hidden;
    z-index: 1;
}

.opening-content {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0;
}

/* Horizontal amber line */
.opening-line {
    width: clamp(200px, 50vw, 600px);
    height: 1px;
    background: var(--amber-wash);
    transform: scaleX(0);
    transform-origin: left;
    order: 2;
}

.opening-line.animate {
    animation: line-draw 1.2s cubic-bezier(0.25, 0.46, 0.45, 0.94) forwards;
}

@keyframes line-draw {
    to { transform: scaleX(1); }
}

/* 값 character */
.opening-gabs {
    font-family: var(--font-korean);
    font-weight: 900;
    font-size: clamp(4rem, 12vw, 9rem);
    color: var(--parchment-gold);
    line-height: 1;
    letter-spacing: -0.01em;
    opacity: 0;
    order: 1;
    margin-bottom: 0.15em;
}

.opening-gabs.animate {
    animation: fade-in 0.6s ease forwards;
}

/* NEWS typewriter text */
.opening-news {
    font-family: var(--font-ticker);
    font-size: clamp(1rem, 2.5vw, 1.8rem);
    color: var(--phosphor-green);
    letter-spacing: 0.4em;
    text-transform: uppercase;
    order: 3;
    margin-top: 0.5em;
    min-height: 1.5em;
}

/* Timestamps */
.opening-timestamp {
    position: absolute;
    top: 1.5rem;
    right: 2rem;
    font-family: var(--font-ticker);
    font-size: 0.75rem;
    letter-spacing: 0.06em;
    color: var(--amber-wash);
    opacity: 0.6;
}

/* ============================================================
   SECTION: BROADCAST DESK
   ============================================================ */
.section-broadcast {
    position: relative;
    width: 100%;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    background: linear-gradient(
        180deg,
        var(--studio-dark) 0%,
        rgba(28, 23, 20, 0.4) 50%,
        var(--studio-dark) 100%
    );
    padding: 4rem 2rem;
    overflow: hidden;
    z-index: 1;
}

/* Chyron bars */
.chyron-primary,
.chyron-secondary {
    position: relative;
    background: rgba(26, 22, 18, 0.9);
    border-top: 1px solid var(--amber-wash);
    padding: 2rem 3rem;
    max-width: 800px;
    opacity: 0;
    transform: translateX(-80px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.chyron-primary.visible {
    opacity: 1;
    transform: translateX(0);
}

.chyron-secondary {
    align-self: flex-end;
    margin-left: auto;
    margin-top: 1.5rem;
    transform: translateX(80px);
}

.chyron-secondary.visible {
    opacity: 1;
    transform: translateX(0);
}

.chyron-korean {
    font-family: var(--font-korean);
    font-weight: 500;
    font-size: 1.4rem;
    color: var(--parchment-gold);
    line-height: 1.5;
}

.chyron-sub {
    font-family: var(--font-body);
    font-weight: 300;
    font-size: 1rem;
    color: var(--muted-parchment);
    margin-top: 0.75rem;
    line-height: 1.6;
}

.chyron-english {
    font-family: var(--font-body);
    font-weight: 400;
    font-size: 1rem;
    color: var(--muted-parchment);
    line-height: 1.6;
}

.chyron-highlight {
    color: var(--bright-parchment);
    font-weight: 600;
}

/* Live indicator */
.live-indicator {
    display: inline-block;
    width: 8px;
    height: 8px;
    background: var(--phosphor-green);
    border-radius: 50%;
    margin-right: 0.75rem;
    vertical-align: middle;
    animation: live-pulse 2s ease-in-out infinite;
}

@keyframes live-pulse {
    0%, 100% { transform: scale(1); opacity: 0.7; }
    50% { transform: scale(1.3); opacity: 1; }
}

/* Broadcast context */
.broadcast-context {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    margin-top: 3rem;
    padding-left: 3rem;
}

.broadcast-label {
    font-family: var(--font-ticker);
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.15em;
    color: var(--phosphor-green);
    text-transform: uppercase;
}

.broadcast-date {
    font-family: var(--font-ticker);
    font-size: 0.7rem;
    letter-spacing: 0.06em;
    color: var(--amber-wash);
    opacity: 0.6;
}

/* ============================================================
   SECTION: DOSSIER SPREAD
   ============================================================ */
.section-dossier {
    position: relative;
    width: 100%;
    min-height: 200vh;
    padding: 8rem 4rem;
    overflow: hidden;
    z-index: 1;
}

.dossier-title {
    font-family: var(--font-display);
    font-weight: 900;
    font-size: clamp(2.4rem, 6vw, 5.2rem);
    color: var(--parchment-gold);
    letter-spacing: -0.01em;
    line-height: 1;
    text-align: center;
    margin-bottom: 6rem;
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.dossier-title.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Dossier grid */
.dossier-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 3rem;
    max-width: 1100px;
    margin: 0 auto;
    position: relative;
}

/* Dossier cards */
.dossier-card {
    position: relative;
    background: rgba(26, 22, 18, 0.85);
    border: 1px solid rgba(196, 149, 106, 0.2);
    padding: 2.5rem 2rem 2rem 2rem;
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.dossier-card.visible {
    opacity: 1;
    transform: translateY(0);
}

.card-etymology {
    transform: translateY(20px) rotate(-0.8deg);
}
.card-etymology.visible {
    transform: rotate(-0.8deg);
}

.card-economics {
    transform: translateY(20px) rotate(1.2deg);
    margin-top: 2rem;
}
.card-economics.visible {
    transform: rotate(1.2deg);
}

.card-philosophy {
    transform: translateY(20px) rotate(0.5deg);
    margin-top: -1rem;
}
.card-philosophy.visible {
    transform: rotate(0.5deg);
}

.card-culture {
    transform: translateY(20px) rotate(-1.5deg);
    margin-top: 1rem;
}
.card-culture.visible {
    transform: rotate(-1.5deg);
}

/* Paper clip decorator */
.paper-clip {
    position: absolute;
    top: -8px;
    left: 20px;
    width: 16px;
    height: 40px;
    border: 2px solid var(--amber-wash);
    border-radius: 8px 8px 0 0;
    border-bottom: none;
    opacity: 0.7;
}

.paper-clip::after {
    content: '';
    position: absolute;
    top: 10px;
    left: 2px;
    width: 8px;
    height: 26px;
    border: 2px solid var(--amber-wash);
    border-radius: 4px 4px 0 0;
    border-bottom: none;
    opacity: 0.5;
}

/* Card typography */
.card-heading {
    font-family: var(--font-korean);
    font-weight: 700;
    font-size: clamp(1.6rem, 4vw, 2.2rem);
    color: var(--parchment-gold);
    line-height: 1.2;
    margin-bottom: 1rem;
}

.card-heading-en {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 0.65em;
    color: var(--amber-wash);
    margin-left: 0.5em;
}

.card-body {
    font-family: var(--font-body);
    font-weight: 400;
    font-size: clamp(0.95rem, 1.2vw, 1.1rem);
    color: var(--muted-parchment);
    line-height: 1.65;
    margin-bottom: 1rem;
}

.card-body em {
    color: var(--parchment-gold);
    font-style: italic;
}

.card-body-ko {
    font-family: var(--font-korean);
    font-weight: 500;
    font-size: clamp(0.9rem, 1.1vw, 1rem);
    color: var(--amber-wash);
    line-height: 1.6;
    border-left: 2px solid var(--red-thread);
    padding-left: 1rem;
    margin-top: 0.5rem;
}

/* Red thread SVG connections */
.red-threads {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
}

.thread-line {
    stroke: var(--red-thread);
    stroke-width: 1;
    stroke-dasharray: 4 4;
    stroke-dashoffset: 200;
    transition: stroke-dashoffset 1.5s ease;
}

.thread-line.visible {
    stroke-dashoffset: 0;
}

/* ============================================================
   SECTION: INVESTIGATION WALL
   ============================================================ */
.section-investigation {
    position: relative;
    width: 100%;
    height: 100vh;
    overflow: hidden;
    z-index: 1;
}

.investigation-board {
    position: relative;
    width: 100%;
    height: 100%;
}

/* Investigation nodes */
.invest-node {
    position: absolute;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.25rem;
    opacity: 0;
    transform: scale(0.8);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.invest-node.visible {
    opacity: 1;
    transform: scale(1);
}

.invest-char {
    font-family: var(--font-korean);
    font-weight: 700;
    font-size: clamp(1.4rem, 3vw, 2.4rem);
    color: var(--parchment-gold);
    line-height: 1;
}

.invest-label {
    font-family: var(--font-ticker);
    font-size: 0.65rem;
    font-weight: 400;
    letter-spacing: 0.12em;
    color: var(--amber-wash);
    text-transform: uppercase;
    opacity: 0.7;
}

/* Center node (값) */
.invest-center {
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0.8);
    z-index: 2;
}

.invest-center.visible {
    transform: translate(-50%, -50%) scale(1);
}

.invest-center .invest-char {
    font-size: clamp(2.4rem, 5vw, 4rem);
    color: var(--phosphor-green);
}

/* Surrounding nodes */
.invest-price {
    top: 25%;
    left: 25%;
    transform: translate(-50%, -50%) scale(0.8);
}
.invest-price.visible {
    transform: translate(-50%, -50%) scale(1);
}

.invest-cost {
    top: 20%;
    left: 75%;
    transform: translate(-50%, -50%) scale(0.8);
}
.invest-cost.visible {
    transform: translate(-50%, -50%) scale(1);
}

.invest-consequence {
    top: 70%;
    left: 20%;
    transform: translate(-50%, -50%) scale(0.8);
}
.invest-consequence.visible {
    transform: translate(-50%, -50%) scale(1);
}

.invest-worth {
    top: 75%;
    left: 80%;
    transform: translate(-50%, -50%) scale(0.8);
}
.invest-worth.visible {
    transform: translate(-50%, -50%) scale(1);
}

.invest-trade {
    top: 50%;
    left: 15%;
    transform: translate(-50%, -50%) scale(0.8);
}
.invest-trade.visible {
    transform: translate(-50%, -50%) scale(1);
}

.invest-loss {
    top: 45%;
    left: 85%;
    transform: translate(-50%, -50%) scale(0.8);
}
.invest-loss.visible {
    transform: translate(-50%, -50%) scale(1);
}

.invest-profit {
    top: 15%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0.8);
}
.invest-profit.visible {
    transform: translate(-50%, -50%) scale(1);
}

/* Investigation SVG threads */
.invest-threads {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
}

.invest-line {
    stroke: var(--red-thread);
    stroke-width: 1;
    stroke-dasharray: 4 4;
    opacity: 0.3;
    transition: opacity 0.8s ease, stroke-dasharray 0.8s ease;
}

.invest-line.highlight {
    opacity: 0.9;
    stroke-dasharray: none;
}

.invest-cross {
    opacity: 0.15;
}

.invest-cross.highlight {
    opacity: 0.6;
    stroke-dasharray: none;
}

/* Scattered text fragments */
.invest-fragment {
    position: absolute;
    font-family: var(--font-ticker);
    font-size: 0.7rem;
    letter-spacing: 0.06em;
    color: var(--muted-parchment);
    opacity: 0;
    transition: opacity 0.6s ease;
}

.invest-fragment.visible {
    opacity: 0.4;
}

.frag-1 { top: 12%; left: 42%; }
.frag-2 { top: 35%; left: 8%; }
.frag-3 { top: 82%; left: 55%; }
.frag-4 { top: 28%; left: 90%; }
.frag-5 { top: 60%; left: 5%; }
.frag-6 { top: 88%; left: 35%; }
.frag-7 { top: 8%; left: 70%; }
.frag-8 { top: 65%; left: 92%; }

/* ============================================================
   SECTION: SIGN-OFF
   ============================================================ */
.section-signoff {
    position: relative;
    width: 100%;
    height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 3rem;
    z-index: 1;
}

.signoff-chyron {
    background: rgba(26, 22, 18, 0.9);
    border-top: 1px solid var(--amber-wash);
    padding: 2.5rem 4rem;
    text-align: center;
    opacity: 0;
    transition: opacity 1s ease;
}

.signoff-chyron.visible {
    opacity: 1;
}

.signoff-korean {
    font-family: var(--font-korean);
    font-weight: 700;
    font-size: clamp(1.6rem, 4vw, 3rem);
    color: var(--parchment-gold);
    line-height: 1.3;
}

.signoff-english {
    font-family: var(--font-body);
    font-weight: 300;
    font-size: clamp(0.95rem, 1.5vw, 1.2rem);
    color: var(--muted-parchment);
    margin-top: 1rem;
}

.signoff-timestamp {
    font-family: var(--font-ticker);
    font-size: 0.85rem;
    letter-spacing: 0.08em;
    color: var(--amber-wash);
    opacity: 0;
    transition: opacity 0.8s ease 2s;
}

.signoff-timestamp.visible {
    opacity: 0.8;
}

.signoff-broadcast-end {
    opacity: 0;
    transition: opacity 1s ease 2.5s;
}

.signoff-broadcast-end.visible {
    opacity: 1;
}

/* ============================================================
   PERSISTENT TICKER
   ============================================================ */
.ticker {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 32px;
    background: rgba(15, 13, 10, 0.95);
    border-top: 1px solid rgba(196, 149, 106, 0.3);
    overflow: hidden;
    z-index: 100;
    display: flex;
    align-items: center;
    opacity: 0;
    transition: opacity 0.6s ease;
}

.ticker.visible {
    opacity: 1;
}

.ticker-track {
    display: inline-flex;
    white-space: nowrap;
    animation: ticker-scroll 60s linear infinite;
}

.ticker-text {
    font-family: var(--font-ticker);
    font-size: 0.75rem;
    letter-spacing: 0.06em;
    color: var(--phosphor-green);
    padding: 0 2rem;
}

@keyframes ticker-scroll {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

/* ============================================================
   STATIC BURST TRANSITION
   ============================================================ */
.static-burst {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
    opacity: 0;
    pointer-events: none;
    z-index: 10;
    mix-blend-mode: overlay;
}

.static-burst.active {
    animation: static-flash 0.2s steps(6) forwards;
}

@keyframes static-flash {
    0% { opacity: 0.8; }
    20% { opacity: 0.3; background-color: var(--phosphor-green); }
    40% { opacity: 0.6; background-color: transparent; }
    60% { opacity: 0.2; background-color: var(--studio-dark); }
    80% { opacity: 0.5; background-color: transparent; }
    100% { opacity: 0; }
}

/* ============================================================
   UTILITY ANIMATIONS
   ============================================================ */
@keyframes fade-in {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes fade-in-up {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 768px) {
    .dossier-grid {
        grid-template-columns: 1fr;
        padding: 0 1rem;
    }

    .section-dossier {
        padding: 4rem 1.5rem;
    }

    .chyron-primary,
    .chyron-secondary {
        padding: 1.5rem 2rem;
        max-width: 100%;
    }

    .invest-node .invest-char {
        font-size: clamp(1rem, 2.5vw, 1.6rem);
    }

    .invest-center .invest-char {
        font-size: clamp(1.8rem, 4vw, 2.8rem);
    }

    .signoff-chyron {
        padding: 2rem 2rem;
    }

    .opening-timestamp {
        top: 1rem;
        right: 1rem;
        font-size: 0.65rem;
    }

    .broadcast-context {
        padding-left: 2rem;
    }

    .invest-fragment {
        font-size: 0.6rem;
    }
}

@media (max-width: 480px) {
    .section-dossier {
        padding: 3rem 1rem;
    }

    .dossier-title {
        margin-bottom: 3rem;
    }

    .card-heading {
        font-size: 1.4rem;
    }
}