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

:root {
    --parchment: #f0e6d2;
    --parchment-light: #f5e6c8;
    --midnight: #0d1b2a;
    --midnight-mid: #1b2838;
    --copper: #b87d5e;
    --gold: #c9a44a;
    --teal: #3d7a6a;
    --teal-light: #5a8a6c;
    --blue: #4a7fb5;
    --ink: #1a1a1a;
    --cream: #e8dcc8;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Lora', Georgia, serif;
    background-color: var(--midnight);
    color: var(--parchment);
    min-height: 100vh;
    overflow-x: hidden;
}

/* ===== HEADER ===== */
.site-header {
    position: relative;
    padding: 4rem 2rem 3rem;
    text-align: center;
    background: linear-gradient(180deg, var(--midnight) 0%, var(--midnight-mid) 100%);
    overflow: hidden;
}

.header-pattern {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    opacity: 0.04;
    background-image:
        repeating-linear-gradient(0deg, transparent, transparent 40px, var(--gold) 40px, var(--gold) 41px),
        repeating-linear-gradient(90deg, transparent, transparent 40px, var(--gold) 40px, var(--gold) 41px);
    pointer-events: none;
}

.site-title {
    font-family: 'Barlow Condensed', sans-serif;
    font-weight: 700;
    font-size: clamp(2.5rem, 8vw, 5rem);
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--parchment);
    position: relative;
    z-index: 1;
}

.title-dot {
    color: var(--gold);
}

.site-subtitle {
    font-family: 'Lora', serif;
    font-style: italic;
    font-weight: 400;
    font-size: clamp(0.9rem, 2vw, 1.2rem);
    color: var(--copper);
    margin-top: 0.5rem;
    letter-spacing: 0.04em;
    position: relative;
    z-index: 1;
}

/* ===== POSTCARD TABLE ===== */
.postcard-table {
    padding: 2rem;
    max-width: 1400px;
    margin: 0 auto;
}

.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 2rem;
    padding: 1rem 0;
}

/* ===== POSTCARD BASE ===== */
.postcard {
    position: relative;
    background: var(--cream);
    color: var(--ink);
    border-radius: 4px;
    padding: 0;
    overflow: hidden;
    box-shadow:
        0 4px 12px rgba(0, 0, 0, 0.3),
        0 1px 3px rgba(0, 0, 0, 0.2);
    transition: transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1), box-shadow 0.3s ease;
    cursor: default;
    opacity: 0;
    transform: translateY(30px);
}

.postcard.visible {
    opacity: 1;
    transform: translateY(0);
}

.postcard:hover {
    box-shadow:
        0 12px 32px rgba(0, 0, 0, 0.4),
        0 4px 8px rgba(0, 0, 0, 0.3);
    z-index: 10;
}

/* Card rotations */
.card-1 { --rot: -1.8deg; }
.card-2 { --rot: 2.2deg; }
.card-3 { --rot: -0.8deg; }
.card-4 { --rot: 1.5deg; }
.card-5 { --rot: -2.5deg; }
.card-6 { --rot: 1.2deg; }
.card-7 { --rot: -1.0deg; }
.card-8 { --rot: 2.8deg; }
.card-9 { --rot: -2.0deg; }
.card-10 { --rot: 0.5deg; }

.postcard.visible {
    transform: rotate(var(--rot, 0deg));
}

.postcard:hover {
    transform: rotate(0deg) scale(1.03);
}

/* ===== CARD CONTENT ===== */
.card-content {
    padding: 1.8rem 1.5rem;
    position: relative;
    z-index: 2;
}

.card-title {
    font-family: 'Barlow Condensed', sans-serif;
    font-weight: 700;
    font-size: clamp(1.2rem, 3vw, 1.6rem);
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--midnight-mid);
    margin-bottom: 0.75rem;
    line-height: 1.1;
}

.card-body {
    font-family: 'Lora', serif;
    font-size: 0.95rem;
    line-height: 1.65;
    color: var(--ink);
    opacity: 0.85;
}

.card-date {
    display: block;
    margin-top: 1rem;
    font-family: 'Inter', sans-serif;
    font-weight: 300;
    font-size: 0.75rem;
    letter-spacing: 0.08em;
    color: var(--copper);
    text-transform: uppercase;
}

/* ===== CARD PATTERNS ===== */
.card-pattern {
    height: 80px;
    width: 100%;
    position: relative;
}

/* Shippo (Seven Treasures) pattern */
.pattern-shippo {
    background:
        radial-gradient(circle at 0% 50%, transparent 45%, var(--teal) 46%, var(--teal) 48%, transparent 49%),
        radial-gradient(circle at 100% 50%, transparent 45%, var(--teal) 46%, var(--teal) 48%, transparent 49%),
        radial-gradient(circle at 50% 0%, transparent 45%, var(--teal) 46%, var(--teal) 48%, transparent 49%),
        radial-gradient(circle at 50% 100%, transparent 45%, var(--teal) 46%, var(--teal) 48%, transparent 49%);
    background-size: 40px 40px;
    background-color: var(--parchment-light);
    opacity: 0.7;
}

/* Asanoha (hemp leaf) approximation */
.pattern-asanoha {
    background:
        linear-gradient(30deg, var(--gold) 12%, transparent 12.5%, transparent 87%, var(--gold) 87.5%, var(--gold)),
        linear-gradient(150deg, var(--gold) 12%, transparent 12.5%, transparent 87%, var(--gold) 87.5%, var(--gold)),
        linear-gradient(90deg, var(--gold) 12%, transparent 12.5%, transparent 87%, var(--gold) 87.5%, var(--gold));
    background-size: 30px 52px;
    background-color: var(--cream);
    opacity: 0.4;
}

/* Seigaiha (wave) approximation */
.pattern-seigaiha {
    background:
        radial-gradient(circle at 50% 100%, transparent 30%, var(--teal) 31%, var(--teal) 33%, transparent 34%),
        radial-gradient(circle at 0% 100%, transparent 30%, var(--teal) 31%, var(--teal) 33%, transparent 34%),
        radial-gradient(circle at 100% 100%, transparent 30%, var(--teal) 31%, var(--teal) 33%, transparent 34%);
    background-size: 40px 20px;
    background-color: var(--parchment);
    opacity: 0.5;
}

/* Crack pattern for earthquake card */
.pattern-crack {
    height: 80px;
    background: linear-gradient(135deg,
        var(--cream) 25%,
        var(--copper) 25.5%,
        var(--copper) 26%,
        var(--cream) 26.5%,
        var(--cream) 50%,
        var(--copper) 50.5%,
        var(--copper) 51%,
        var(--cream) 51.5%,
        var(--cream) 75%,
        var(--copper) 75.5%,
        var(--copper) 76%,
        var(--cream) 76.5%
    );
    background-size: 20px 20px;
    opacity: 0.4;
}

/* Textile pattern */
.pattern-textile {
    background:
        repeating-linear-gradient(45deg,
            transparent,
            transparent 10px,
            var(--gold) 10px,
            var(--gold) 11px
        ),
        repeating-linear-gradient(-45deg,
            transparent,
            transparent 10px,
            var(--copper) 10px,
            var(--copper) 11px
        );
    background-color: var(--parchment-light);
    opacity: 0.35;
}

/* ===== CARD ILLUSTRATIONS ===== */
.card-illustration {
    padding: 1rem;
    display: flex;
    justify-content: center;
    background: linear-gradient(180deg, var(--parchment) 0%, var(--cream) 100%);
}

.card-illustration svg {
    width: 100%;
    max-width: 200px;
    height: auto;
}

/* ===== CARD DECORATIONS ===== */
.card-stamp {
    position: absolute;
    top: 12px;
    right: 12px;
    width: 40px;
    height: 50px;
    border: 2px solid var(--copper);
    opacity: 0.25;
    background: repeating-linear-gradient(
        0deg,
        transparent,
        transparent 3px,
        var(--copper) 3px,
        var(--copper) 4px
    );
}

.card-edge {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--gold), var(--copper), var(--teal-light), var(--blue));
}

.card-postmark {
    position: absolute;
    top: 10px;
    right: 10px;
    width: 60px;
    height: 60px;
    opacity: 0.4;
    transform: rotate(15deg);
}

.card-postmark svg {
    width: 100%;
    height: 100%;
}

.card-seal {
    position: absolute;
    bottom: 10px;
    right: 10px;
    width: 50px;
    height: 50px;
}

.card-seal svg {
    width: 100%;
    height: 100%;
}

/* ===== SPECIAL CARD STYLES ===== */
.card-7 {
    background: linear-gradient(135deg, var(--cream) 0%, #d8cbb8 100%);
    border-left: 4px solid var(--copper);
}

.card-10 {
    background: linear-gradient(180deg, var(--midnight-mid) 0%, var(--midnight) 100%);
    color: var(--parchment);
}

.card-10 .card-title {
    color: var(--gold);
}

.card-10 .card-body {
    color: var(--parchment);
    opacity: 0.8;
}

.card-10 .card-date {
    color: var(--copper);
}

/* ===== FOOTER ===== */
.site-footer {
    position: relative;
    padding: 3rem 2rem;
    text-align: center;
    margin-top: 2rem;
}

.footer-pattern {
    position: absolute;
    top: 0;
    left: 10%;
    right: 10%;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--gold), transparent);
}

.footer-text {
    font-family: 'Inter', sans-serif;
    font-weight: 300;
    font-size: 0.8rem;
    letter-spacing: 0.1em;
    color: var(--copper);
    opacity: 0.6;
}

/* ===== AMBIENT GLOW (table lamp effect) ===== */
body::before {
    content: '';
    position: fixed;
    top: -200px;
    left: 50%;
    transform: translateX(-50%);
    width: 600px;
    height: 600px;
    background: radial-gradient(ellipse, rgba(201, 164, 74, 0.06) 0%, transparent 70%);
    pointer-events: none;
    z-index: 0;
}

.postcard-table {
    position: relative;
    z-index: 1;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 600px) {
    .card-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .postcard-table {
        padding: 1rem;
    }

    .site-header {
        padding: 3rem 1.5rem 2rem;
    }
}