/* ============================================
   prototype.st — Styles
   Art Deco Exhibition Catalog Design
   ============================================ */

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

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: 'Cormorant Garamond', Georgia, serif;
    font-weight: 400;
    font-size: clamp(1rem, 1.3vw, 1.15rem);
    line-height: 1.75;
    color: #3D3830;
    background-color: #F5F0E8;
    overflow-x: hidden;
}

/* --- Noise Texture Mixin (via pseudo-element) --- */
.hero-noise,
.colophon-noise,
.card::before {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1;
    opacity: 0;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E");
    background-repeat: repeat;
    background-size: 200px 200px;
    mix-blend-mode: multiply;
}

.hero-noise {
    opacity: 0.04;
}

.colophon-noise {
    opacity: 0.05;
}

.card::before {
    content: '';
    border-radius: 2px;
    opacity: 0.035;
    transition: opacity 200ms ease 200ms;
}

/* --- Hero Section --- */
.hero {
    position: relative;
    width: 100%;
    height: 100vh;
    min-height: 600px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: #F5F0E8;
    overflow: hidden;
    opacity: 0;
    animation: heroFadeIn 1200ms ease-out forwards;
}

@keyframes heroFadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

/* Marble Background */
.hero-marble {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 120%;
    z-index: 0;
    background:
        radial-gradient(ellipse at 20% 50%, #E8E2D8 0%, transparent 50%),
        radial-gradient(ellipse at 80% 20%, #D5CFC5 0%, transparent 40%),
        radial-gradient(ellipse at 60% 80%, #E8E2D8 0%, transparent 45%),
        radial-gradient(ellipse at 40% 30%, rgba(213, 207, 197, 0.5) 0%, transparent 50%),
        radial-gradient(ellipse at 70% 60%, rgba(232, 226, 216, 0.4) 0%, transparent 35%);
    mix-blend-mode: multiply;
    will-change: transform;
}

/* Inset Border with clip-path animation */
.hero-border {
    position: absolute;
    top: 3vw;
    left: 3vw;
    right: 3vw;
    bottom: 3vw;
    border: 1px solid #B8A88A;
    z-index: 2;
    clip-path: polygon(0 0, 0 0, 0 0, 0 0);
    animation: borderDraw 800ms ease-out 400ms forwards;
}

@keyframes borderDraw {
    0% { clip-path: polygon(0 0, 0 0, 0 0, 0 0); }
    25% { clip-path: polygon(0 0, 100% 0, 100% 0, 0 0); }
    50% { clip-path: polygon(0 0, 100% 0, 100% 100%, 0 0); }
    75% { clip-path: polygon(0 0, 100% 0, 100% 100%, 0 100%); }
    100% { clip-path: polygon(0 0, 100% 0, 100% 100%, 0 100%); }
}

/* Corner Bracket Ornaments */
.corner-bracket {
    position: absolute;
    width: 24px;
    height: 24px;
    z-index: 3;
    opacity: 0;
    transform: scale(0.8);
    animation: cornerFadeIn 400ms ease-out 1200ms forwards;
}

.corner-bracket::before,
.corner-bracket::after {
    content: '';
    position: absolute;
    background-color: #B8A88A;
}

.corner-bracket::before {
    width: 12px;
    height: 1px;
}

.corner-bracket::after {
    width: 1px;
    height: 12px;
}

.corner-tl {
    top: -1px;
    left: -1px;
}
.corner-tl::before { top: 0; left: 0; }
.corner-tl::after { top: 0; left: 0; }

.corner-tr {
    top: -1px;
    right: -1px;
}
.corner-tr::before { top: 0; right: 0; }
.corner-tr::after { top: 0; right: 0; }

.corner-bl {
    bottom: -1px;
    left: -1px;
}
.corner-bl::before { bottom: 0; left: 0; }
.corner-bl::after { bottom: 0; left: 0; }

.corner-br {
    bottom: -1px;
    right: -1px;
}
.corner-br::before { bottom: 0; right: 0; }
.corner-br::after { bottom: 0; right: 0; }

@keyframes cornerFadeIn {
    from {
        opacity: 0;
        transform: scale(0.8);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

/* Hero Content */
.hero-content {
    position: relative;
    z-index: 4;
    text-align: center;
}

.hero-title {
    font-family: 'Poiret One', 'Josefin Sans', sans-serif;
    font-weight: 400;
    font-size: clamp(2.4rem, 6vw, 5.5rem);
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: #3D3830;
    opacity: 0;
    transform: translateY(20px);
    animation: titleSpring 600ms cubic-bezier(0.34, 1.56, 0.64, 1) 800ms forwards;
}

@keyframes titleSpring {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-tagline {
    font-family: 'Cormorant Garamond', Georgia, serif;
    font-style: italic;
    font-weight: 400;
    font-size: clamp(1rem, 2vw, 1.4rem);
    color: #8A7E6B;
    margin-top: 1.2rem;
    letter-spacing: 0.04em;
    opacity: 0;
    animation: taglineFadeIn 600ms ease-out 1400ms forwards;
}

@keyframes taglineFadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

/* --- Section Dividers --- */
.section-divider {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 3rem 5vw;
    gap: 0;
}

.divider-line {
    display: block;
    height: 1px;
    background-color: #C8BDA4;
    flex: 1;
    max-width: 200px;
    transform: scaleX(0);
    transition: transform 400ms ease-out 100ms;
}

.divider-line-left {
    transform-origin: right center;
}

.divider-line-right {
    transform-origin: left center;
}

.divider-diamond {
    display: block;
    width: 8px;
    height: 8px;
    background-color: #C8BDA4;
    margin: 0 12px;
    transform: rotate(0deg) scale(0);
    transition: transform 400ms ease-out;
}

.section-divider.is-visible .divider-diamond {
    transform: rotate(45deg) scale(1);
}

.section-divider.is-visible .divider-line {
    transform: scaleX(1);
}

/* --- Card Grid --- */
.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 2.5rem;
    padding: 0 5vw 2rem;
}

/* --- Cards --- */
.card {
    position: relative;
    background-color: #FAF7F2;
    border: 1px solid #C8BDA4;
    border-radius: 2px;
    padding: 2rem;
    box-shadow: 0 2px 12px rgba(45, 40, 30, 0.08);
    opacity: 0;
    transform: translateY(30px) scale(0.97);
    transition: transform 300ms ease, box-shadow 300ms ease, border-color 300ms ease;
    overflow: hidden;
}

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

.card--feature {
    grid-column: span 2;
}

.card:hover {
    transform: translateY(-4px) scale(1);
    box-shadow: 0 8px 24px rgba(45, 40, 30, 0.12);
    border-color: #5B8A8A;
}

.card:hover .card-badge {
    background-color: rgba(184, 162, 101, 0.25);
}

/* Card Badge */
.card-badge {
    display: inline-block;
    font-family: 'Josefin Sans', sans-serif;
    font-weight: 300;
    font-size: 0.7rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: #8A7E6B;
    background-color: rgba(184, 162, 101, 0.15);
    border: 1px solid #B8A265;
    padding: 0.25rem 0.75rem;
    margin-bottom: 1.25rem;
    border-radius: 1px;
    transition: background-color 300ms ease;
}

/* Card Title */
.card-title {
    font-family: 'Poiret One', 'Josefin Sans', sans-serif;
    font-weight: 400;
    font-size: clamp(1.4rem, 3vw, 2.4rem);
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: #3D3830;
    margin-bottom: 1rem;
    line-height: 1.2;
}

/* Card Body */
.card-body {
    font-family: 'Cormorant Garamond', Georgia, serif;
    font-weight: 400;
    font-size: clamp(1rem, 1.3vw, 1.15rem);
    line-height: 1.75;
    color: #3D3830;
}

/* Drop Caps */
.drop-cap {
    float: left;
    font-family: 'Poiret One', 'Josefin Sans', sans-serif;
    font-weight: 400;
    font-size: 3.5em;
    line-height: 0.8;
    padding-right: 0.1em;
    padding-top: 0.05em;
    color: #C8BDA4;
    transition: color 800ms ease-in-out;
}

.drop-cap.is-active {
    color: #5B8A8A;
}

/* --- Footer / Colophon --- */
.colophon {
    position: relative;
    background-color: #2D2A24;
    padding: 4rem 5vw;
    margin-top: 3rem;
    overflow: hidden;
}

.colophon-marble {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 120%;
    z-index: 0;
    opacity: 0.08;
    background:
        radial-gradient(ellipse at 30% 40%, #E8E2D8 0%, transparent 50%),
        radial-gradient(ellipse at 70% 60%, #D5CFC5 0%, transparent 40%),
        radial-gradient(ellipse at 50% 20%, #E8E2D8 0%, transparent 45%);
    will-change: transform;
}

.colophon-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 640px;
    margin: 0 auto;
}

.colophon-title {
    font-family: 'Josefin Sans', sans-serif;
    font-weight: 600;
    font-size: clamp(0.85rem, 1.5vw, 1.1rem);
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: #B8A88A;
    margin-bottom: 1.5rem;
}

.colophon-text {
    font-family: 'Cormorant Garamond', Georgia, serif;
    font-weight: 400;
    font-size: clamp(0.9rem, 1.2vw, 1.05rem);
    line-height: 1.8;
    color: #8A7E6B;
    margin-bottom: 2rem;
}

.colophon-domain {
    font-family: 'Poiret One', 'Josefin Sans', sans-serif;
    font-weight: 400;
    font-size: clamp(1.2rem, 2.5vw, 1.8rem);
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: #C8BDA4;
}

/* --- Responsive --- */
@media (max-width: 768px) {
    .card-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
        padding: 0 4vw 2rem;
    }

    .card--feature {
        grid-column: span 1;
    }

    .hero-title {
        font-size: clamp(2rem, 8vw, 3.5rem);
    }

    .hero-border {
        top: 5vw;
        left: 5vw;
        right: 5vw;
        bottom: 5vw;
    }

    .section-divider {
        padding: 2rem 4vw;
    }
}

@media (max-width: 480px) {
    .card {
        padding: 1.25rem;
    }

    .drop-cap {
        float: none;
        display: inline;
        font-size: inherit;
        color: #5B8A8A;
        padding: 0;
    }

    .divider-diamond {
        width: 6px;
        height: 6px;
    }
}

/* Touch devices */
@media (hover: none) {
    .card:hover {
        transform: none;
        box-shadow: 0 2px 12px rgba(45, 40, 30, 0.08);
        border-color: #C8BDA4;
    }

    .card:active {
        transform: translateY(-2px);
        box-shadow: 0 4px 16px rgba(45, 40, 30, 0.1);
        border-color: #5B8A8A;
    }

    .card:active .card-badge {
        background-color: rgba(184, 162, 101, 0.25);
    }
}