:root {
    --color-dark-burgundy: #2A0510;
    --color-deep-burgundy: #3A0E18;
    --color-red-burgundy: #6B1A2A;
    --color-dusty-rose: #9E6B7B;
    --color-antique-gold: #C9A84C;
    --color-slate-gray: #4A5568;
    --color-cream: #FAF6EE;
    --color-warm-brown: #8B7355;
    --color-cream-light: #F5ECD7;

    --font-mono: "IBM Plex Mono", monospace;
    --font-serif: "Cormorant Garamond", serif;
    --font-sans: "Inter", sans-serif;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-mono);
    background-color: var(--color-cream);
    color: var(--color-slate-gray);
    overflow-x: hidden;
    position: relative;
}

/* Hero Section */
.hero {
    position: relative;
    width: 100%;
    height: 100vh;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-deep-burgundy) 0%, var(--color-dark-burgundy) 100%);
}

.mountain-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.mountain-graphic {
    width: 100%;
    height: 100%;
    display: block;
}

/* Cartouche Frame */
.cartouche {
    position: relative;
    z-index: 10;
    width: 600px;
    height: 300px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    border: 3px solid var(--color-antique-gold);
    border-radius: 20px;
    background: rgba(250, 246, 238, 0.05);
    backdrop-filter: blur(10px);
    box-shadow:
        0 0 0 20px rgba(201, 168, 76, 0.15),
        inset 0 0 30px rgba(250, 246, 238, 0.1);
    animation: cartoucheFloat 4s ease-in-out infinite;
}

@keyframes cartoucheFloat {
    0%, 100% { transform: translateY(0px) rotateZ(0deg); }
    50% { transform: translateY(-20px) rotateZ(0.5deg); }
}

.cartouche-decoration {
    position: absolute;
    width: 40px;
    height: 40px;
    border: 2px solid var(--color-antique-gold);
    opacity: 0.7;
}

.cartouche-decoration.top-left {
    top: -15px;
    left: -15px;
    border-right: none;
    border-bottom: none;
    border-radius: 50% 0 0 0;
}

.cartouche-decoration.top-right {
    top: -15px;
    right: -15px;
    border-left: none;
    border-bottom: none;
    border-radius: 0 50% 0 0;
}

.cartouche-decoration.bottom-left {
    bottom: -15px;
    left: -15px;
    border-right: none;
    border-top: none;
    border-radius: 0 0 0 50%;
}

.cartouche-decoration.bottom-right {
    bottom: -15px;
    right: -15px;
    border-left: none;
    border-top: none;
    border-radius: 0 0 50% 0;
}

.site-title {
    font-family: var(--font-mono);
    font-size: 4.5rem;
    font-weight: 700;
    letter-spacing: 0.15em;
    color: var(--color-cream);
    text-shadow: 
        2px 2px 0px rgba(0, 0, 0, 0.3),
        0 0 30px rgba(201, 168, 76, 0.2);
}

/* Portfolio Grid Section */
.portfolio-grid {
    position: relative;
    width: 100%;
    padding: 80px 60px;
    background: linear-gradient(to bottom, var(--color-cream-light) 0%, var(--color-cream) 100%);
    z-index: 2;
}

.archive-label {
    font-family: var(--font-serif);
    font-size: 2.2rem;
    font-weight: 400;
    color: var(--color-red-burgundy);
    text-align: center;
    margin-bottom: 60px;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.grid-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: 40px;
    max-width: 1400px;
    margin: 0 auto;
}

.grid-item {
    animation: slideUpIn 0.8s ease-out forwards;
    animation-delay: calc(var(--index) * 0.1s);
    opacity: 0;
}

@keyframes slideUpIn {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.item-frame {
    position: relative;
    padding: 40px;
    background: var(--color-cream);
    border: 2px solid var(--color-warm-brown);
    border-radius: 8px;
    box-shadow:
        0 10px 40px rgba(58, 14, 24, 0.1),
        inset 0 0 0 1px rgba(201, 168, 76, 0.2);
    transition: all 0.4s cubic-bezier(0.23, 1, 0.320, 1);
    transform-origin: center;
    perspective: 1000px;
    cursor: pointer;
}

.item-frame:hover {
    box-shadow:
        0 20px 60px rgba(58, 14, 24, 0.2),
        inset 0 0 0 1px rgba(201, 168, 76, 0.5);
    transform: translateY(-8px) rotateX(5deg);
}

.item-title {
    font-family: var(--font-serif);
    font-size: 1.6rem;
    font-weight: 600;
    color: var(--color-deep-burgundy);
    margin-bottom: 16px;
    letter-spacing: 0.02em;
}

.item-text {
    font-family: var(--font-mono);
    font-size: 0.95rem;
    font-weight: 400;
    line-height: 1.6;
    color: var(--color-slate-gray);
}

/* Colophon Footer */
.colophon {
    position: relative;
    width: 100%;
    padding: 60px;
    background: linear-gradient(to bottom, var(--color-dark-burgundy) 0%, var(--color-deep-burgundy) 100%);
    text-align: center;
    border-top: 3px solid var(--color-antique-gold);
    z-index: 2;
}

.colophon-content {
    max-width: 800px;
    margin: 0 auto;
}

.colophon-text {
    font-family: var(--font-mono);
    font-size: 1rem;
    font-weight: 400;
    color: var(--color-cream);
    line-height: 1.8;
    margin-bottom: 30px;
    letter-spacing: 0.02em;
}

.colophon-year {
    display: block;
    margin-top: 12px;
    color: var(--color-antique-gold);
    font-style: italic;
}

.colophon-credits {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    font-weight: 400;
    color: var(--color-dusty-rose);
    line-height: 1.6;
    opacity: 0.8;
}

/* Bubble Animation */
.bubble-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1;
    overflow: hidden;
}

.bubble {
    position: absolute;
    bottom: -100px;
    border-radius: 50%;
    border: 1px solid rgba(158, 107, 123, 0.3);
    background: radial-gradient(circle at 35% 35%, rgba(245, 236, 215, 0.4), transparent 60%);
    pointer-events: none;
}

/* Bubble animation */
@keyframes rise {
    0% {
        bottom: -100px;
        opacity: 0;
    }
    10% {
        opacity: 1;
    }
    90% {
        opacity: 1;
    }
    100% {
        bottom: 110vh;
        opacity: 0;
    }
}

/* Scroll Layer for Parallax */
.scroll-layer {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .grid-container {
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
        gap: 30px;
    }

    .cartouche {
        width: 500px;
        height: 250px;
    }

    .site-title {
        font-size: 3.5rem;
    }

    .portfolio-grid {
        padding: 60px 40px;
    }
}

@media (max-width: 768px) {
    .grid-container {
        grid-template-columns: 1fr;
        gap: 25px;
    }

    .cartouche {
        width: 85vw;
        height: 220px;
        max-width: 400px;
    }

    .site-title {
        font-size: 2.5rem;
        letter-spacing: 0.1em;
    }

    .archive-label {
        font-size: 1.8rem;
    }

    .item-frame {
        padding: 30px;
    }

    .item-title {
        font-size: 1.3rem;
    }

    .item-text {
        font-size: 0.9rem;
    }

    .portfolio-grid {
        padding: 40px 20px;
    }

    .colophon {
        padding: 40px 20px;
    }

    .colophon-text {
        font-size: 0.9rem;
    }

    .colophon-credits {
        font-size: 0.8rem;
    }
}

@media (max-width: 480px) {
    .hero {
        height: 80vh;
    }

    .cartouche {
        width: 90vw;
        height: 180px;
    }

    .site-title {
        font-size: 1.8rem;
        letter-spacing: 0.08em;
    }

    .archive-label {
        font-size: 1.4rem;
        margin-bottom: 40px;
    }

    .item-frame {
        padding: 20px;
    }

    .item-title {
        font-size: 1.1rem;
        margin-bottom: 12px;
    }

    .item-text {
        font-size: 0.85rem;
        line-height: 1.5;
    }

    .colophon-text {
        font-size: 0.85rem;
        line-height: 1.6;
    }
}