/* ============================================================
   perso.news - Styles
   A cinematic news broadcast interface with generative backdrop
   ============================================================ */

/* ============================================================
   Color Palette
   ============================================================ */
:root {
    --color-black: #0D0D12;
    --color-dark-charcoal: #1A1A24;
    --color-blue-gray: #5A6B7A;
    --color-copper-light: #D4A84B;
    --color-copper-dark: #C47832;
    --color-terracotta: #B83A2A;
    --color-cream: #E8E0D0;
    --color-gold: #9A8B6E;
}

/* ============================================================
   Typography
   ============================================================ */
:root {
    --font-display: 'Space Grotesk', sans-serif;
    --font-body: 'Source Serif 4', serif;
    --font-mono: 'JetBrains Mono', monospace;
}

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

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--color-black);
    color: var(--color-cream);
    font-family: var(--font-body);
    font-size: clamp(0.875rem, 1.2vw, 1.125rem);
    line-height: 1.6;
    overflow-x: hidden;
    position: relative;
}

/* ============================================================
   Canvas Generative Backdrop
   ============================================================ */
#generativeCanvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    opacity: 0.15;
    mix-blend-mode: screen;
    pointer-events: none;
}

/* ============================================================
   Main Content Container
   ============================================================ */
main#content {
    position: relative;
    z-index: 1;
}

/* ============================================================
   Act Structure (Full Viewport Sections)
   ============================================================ */
.act {
    min-height: 100vh;
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    padding: clamp(2rem, 8vw, 6rem);
}

.act-full-viewport {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: flex-start;
}

.act-content {
    width: 100%;
    max-width: 60%;
}

#act-signal .act-content {
    max-width: 100%;
    text-align: center;
}

#act-archive .act-content,
#act-strata .act-content,
#act-broadcast .act-content,
#act-depth .act-content {
    max-width: 70%;
}

/* ============================================================
   Typography - Hero & Headings
   ============================================================ */
.hero-title {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 6vw, 5rem);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--color-cream);
    margin-bottom: 1.5rem;
    line-height: 1.1;
    opacity: 0;
    animation: fadeInUp 1.2s ease-out 0.3s forwards;
}

.hero-subtitle {
    font-family: var(--font-display);
    font-size: clamp(1.25rem, 2.5vw, 2rem);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--color-gold);
    opacity: 0;
    animation: fadeInUp 1.2s ease-out 0.6s forwards;
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 4vw, 3.5rem);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-cream);
    margin-bottom: clamp(3rem, 8vw, 6rem);
    line-height: 1.2;
}

h3, h4 {
    font-family: var(--font-display);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* ============================================================
   News Items (Act II)
   ============================================================ */
.news-item {
    margin-bottom: clamp(4rem, 10vw, 8rem);
    opacity: 0;
    transform: translateY(3rem);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.news-item.scroll-visible {
    opacity: 1;
    transform: translateY(0);
}

.news-headline {
    font-family: var(--font-display);
    font-size: clamp(1.5rem, 3vw, 2.5rem);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--color-copper-light);
    margin-bottom: 1.5rem;
    line-height: 1.3;
}

.news-body {
    font-family: var(--font-body);
    font-size: clamp(0.95rem, 1.1vw, 1.1rem);
    color: var(--color-cream);
    line-height: 1.8;
    margin-bottom: 1.5rem;
    max-width: 50%;
    opacity: 0.9;
}

.news-time {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--color-blue-gray);
    letter-spacing: 0.03em;
}

/* ============================================================
   Archive Grid (Act III)
   ============================================================ */
.archive-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: clamp(2rem, 5vw, 4rem);
    margin-top: 3rem;
}

.archive-item {
    padding: clamp(2rem, 4vw, 3rem);
    border: 1px solid rgba(232, 224, 208, 0.2);
    background: rgba(26, 26, 36, 0.3);
    opacity: 0;
    transform: translateY(2rem);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out, border-color 0.4s ease;
}

.archive-item.scroll-visible {
    opacity: 1;
    transform: translateY(0);
    border-color: rgba(212, 168, 75, 0.5);
}

.archive-item:hover {
    border-color: rgba(212, 168, 75, 0.8);
    background: rgba(26, 26, 36, 0.6);
}

.archive-title {
    font-size: clamp(1.1rem, 1.8vw, 1.4rem);
    color: var(--color-copper-light);
    margin-bottom: 0.8rem;
}

.archive-desc {
    font-size: clamp(0.9rem, 1vw, 1rem);
    color: var(--color-gold);
    font-style: italic;
}

/* ============================================================
   Information Strata (Act IV)
   ============================================================ */
.strata-container {
    display: flex;
    flex-direction: column;
    gap: clamp(3rem, 8vw, 6rem);
    margin-top: 3rem;
}

.stratum {
    padding-left: clamp(2rem, 4vw, 3rem);
    border-left: 2px solid var(--color-copper-light);
    opacity: 0;
    transform: translateX(-2rem);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.stratum.scroll-visible {
    opacity: 1;
    transform: translateX(0);
}

.stratum-label {
    font-size: clamp(1rem, 1.5vw, 1.3rem);
    color: var(--color-copper-light);
    margin-bottom: 0.8rem;
    letter-spacing: 0.05em;
}

.stratum p {
    color: var(--color-cream);
    line-height: 1.8;
    opacity: 0.85;
    max-width: 50%;
}

/* ============================================================
   Live Feed (Act V)
   ============================================================ */
.live-feed {
    font-family: var(--font-mono);
    background: rgba(26, 26, 36, 0.5);
    border: 1px solid var(--color-blue-gray);
    padding: clamp(2rem, 4vw, 3rem);
    max-width: 600px;
    opacity: 0;
    transform: scale(0.95);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.live-feed.scroll-visible {
    opacity: 1;
    transform: scale(1);
}

.feed-line {
    display: flex;
    justify-content: space-between;
    padding: clamp(0.75rem, 1.5vw, 1rem) 0;
    border-bottom: 1px solid rgba(90, 107, 122, 0.3);
    font-size: clamp(0.9rem, 1.1vw, 1.1rem);
}

.feed-line:last-child {
    border-bottom: none;
}

.feed-label {
    color: var(--color-blue-gray);
    letter-spacing: 0.05em;
}

.feed-value {
    color: var(--color-copper-light);
    font-weight: 600;
    letter-spacing: 0.1em;
}

.feed-value.live-pulse {
    animation: pulse 2s ease-in-out infinite;
}

/* ============================================================
   Depth Items (Act VI)
   ============================================================ */
.depth-items {
    display: flex;
    flex-direction: column;
    gap: clamp(3rem, 8vw, 6rem);
    margin-top: 3rem;
}

.depth-item {
    max-width: 65%;
    padding: clamp(2rem, 4vw, 3rem);
    background: rgba(185, 58, 42, 0.08);
    border-left: 3px solid var(--color-terracotta);
    opacity: 0;
    transform: translateY(2rem);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.depth-item.scroll-visible {
    opacity: 1;
    transform: translateY(0);
}

.depth-item p {
    font-size: clamp(1rem, 1.2vw, 1.2rem);
    color: var(--color-cream);
    line-height: 1.8;
    letter-spacing: 0.02em;
}

/* ============================================================
   Animations
   ============================================================ */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(2rem);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.6;
    }
}

@keyframes glitch {
    0% {
        transform: translateX(0);
    }
    20% {
        transform: translateX(-2px);
    }
    40% {
        transform: translateX(2px);
    }
    60% {
        transform: translateX(-1px);
    }
    80% {
        transform: translateX(1px);
    }
    100% {
        transform: translateX(0);
    }
}

/* ============================================================
   Responsive Design
   ============================================================ */
@media (max-width: 768px) {
    .act-content {
        max-width: 100%;
    }

    #act-archive .act-content,
    #act-strata .act-content,
    #act-broadcast .act-content,
    #act-depth .act-content {
        max-width: 100%;
    }

    .news-body,
    .stratum p,
    .depth-item {
        max-width: 100%;
    }

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

    .act {
        padding: 2rem 1.5rem;
    }
}

/* ============================================================
   Print Styles
   ============================================================ */
@media print {
    #generativeCanvas {
        display: none;
    }

    .act {
        page-break-inside: avoid;
        min-height: auto;
    }
}