/* namu.biz - Graffiti Mural Boulevard */

:root {
    --ink-black: #1a1816;
    --concrete-light: #d0ccc4;
    --warm-white: #f4f0e8;
    --sand-warm: #e8d4b0;
    --gold-bark: #c4a878;
    --spray-red: #cc3e30;
    --forest-teal: #2a9c88;
    --deep-teal: #1a5c52;
    --faded-stone: #8A8680;
    --font-display: 'Bebas Neue', sans-serif;
    --font-body: 'DM Sans', sans-serif;
    --font-ko: 'Noto Sans KR', sans-serif;
}

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

html {
    scroll-behavior: smooth;
}

body {
    background: var(--concrete-light);
    color: var(--ink-black);
    font-family: var(--font-body);
    overflow-x: hidden;
    line-height: 1.7;
}

/* Grain Overlay */
.grain-overlay {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 999;
}

/* Geometric Scatters */
.shape-scatter {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 0;
}

.scatter-shape {
    position: absolute;
    border: 2px solid var(--forest-teal);
    opacity: 0.06;
}

.scatter-shape.circle {
    border-radius: 50%;
}

/* Vignette */
.vignette {
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at center, transparent 60%, rgba(0,0,0,0.08) 100%);
    pointer-events: none;
}

/* Mural text style */
.mural-text {
    font-family: var(--font-display);
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

.ko-text {
    font-family: var(--font-ko);
}

/* ============================================
   Section 1: Billboard Hero
   ============================================ */

.section-billboard {
    position: relative;
    width: 100%;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--concrete-light);
    overflow: hidden;
}

.billboard-content {
    text-align: center;
    position: relative;
    z-index: 2;
}

.billboard-title {
    font-family: var(--font-display);
    font-size: clamp(4rem, 10vw, 8rem);
    color: var(--ink-black);
    text-shadow:
        0 0 20px rgba(26, 92, 82, 0.2),
        2px 2px 0 rgba(26, 92, 82, 0.1),
        -1px -1px 0 rgba(26, 92, 82, 0.05);
    letter-spacing: 0.08em;
    line-height: 1;
    opacity: 0;
    animation: sprayIn 0.8s ease-out 0.3s forwards;
}

@keyframes sprayIn {
    from { opacity: 0; transform: scale(1.05); filter: blur(4px); }
    to { opacity: 1; transform: scale(1); filter: blur(0); }
}

.drip-container {
    width: 300px;
    margin: -5px auto 0;
}

.drip-svg {
    width: 100%;
    height: 50px;
}

.billboard-sub {
    font-family: var(--font-body);
    font-size: 16px;
    color: var(--deep-teal);
    margin-top: 16px;
    opacity: 0;
    animation: fadeUp 0.8s ease-out 0.8s forwards;
}

@keyframes fadeUp {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 0.8; transform: translateY(0); }
}

.tag-annotation {
    position: absolute;
    top: -40px;
    right: -60px;
    transform: rotate(12deg);
    opacity: 0;
    animation: tagSlap 0.4s ease-out 1.2s forwards;
}

@keyframes tagSlap {
    from { opacity: 0; transform: rotate(12deg) scale(1.3); }
    to { opacity: 1; transform: rotate(12deg) scale(1); }
}

.tag-text {
    font-family: var(--font-display);
    font-size: 14px;
    color: var(--spray-red);
    letter-spacing: 0.1em;
    border: 2px solid var(--spray-red);
    padding: 4px 12px;
}

/* ============================================
   Section 2: Mural Panels
   ============================================ */

.section-murals {
    padding: 100px 5%;
    background: var(--warm-white);
    position: relative;
    z-index: 1;
}

.section-heading {
    font-size: clamp(2rem, 5vw, 4rem);
    color: var(--ink-black);
    text-align: center;
    margin-bottom: 60px;
}

.mural-grid {
    max-width: 1100px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 28px;
}

.mural-panel {
    background: var(--concrete-light);
    border: 1px solid rgba(26, 24, 22, 0.08);
    padding: 28px 24px;
    text-align: center;
    position: relative;
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.mural-panel.visible {
    opacity: 1;
    transform: translateY(0);
}

.mural-panel:hover {
    border-color: var(--forest-teal);
    box-shadow: 0 4px 20px rgba(42, 156, 136, 0.08);
    transition: border-color 0.3s ease, box-shadow 0.3s ease, opacity 0.6s ease, transform 0.6s ease;
}

.panel-stencil {
    margin-bottom: 16px;
}

.stencil-art {
    width: 100px;
    height: auto;
    display: inline-block;
}

.panel-title {
    font-family: var(--font-display);
    font-size: 1.6rem;
    color: var(--ink-black);
    letter-spacing: 0.05em;
    margin-bottom: 8px;
}

.panel-desc {
    font-family: var(--font-body);
    font-size: 14px;
    color: var(--ink-black);
    opacity: 0.7;
    line-height: 1.7;
    margin-bottom: 12px;
}

.stencil-tag {
    font-family: var(--font-display);
    font-size: 11px;
    color: var(--spray-red);
    letter-spacing: 0.12em;
    opacity: 0.6;
}

/* ============================================
   Section 3: Statement Wall
   ============================================ */

.section-statement {
    padding: 100px 5%;
    background: var(--ink-black);
    position: relative;
    z-index: 1;
}

.statement-wall {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
    position: relative;
}

.quote-text {
    font-size: clamp(2rem, 5vw, 4rem);
    color: var(--warm-white);
    line-height: 1.3;
    text-shadow: 0 0 30px rgba(42, 156, 136, 0.15);
}

.quote-annotation {
    margin-top: 30px;
}

.annotation-text {
    font-size: 18px;
    font-weight: 300;
    color: var(--sand-warm);
    opacity: 0.7;
}

/* ============================================
   Footer
   ============================================ */

.section-footer {
    padding: 50px 5%;
    text-align: center;
    background: var(--concrete-light);
    border-top: 1px solid rgba(26, 24, 22, 0.08);
    position: relative;
    z-index: 1;
}

.footer-tag {
    margin-bottom: 16px;
}

.footer-leaf {
    width: 30px;
    height: auto;
}

.footer-brand {
    display: block;
    font-size: 28px;
    color: var(--ink-black);
    margin-bottom: 4px;
}

.footer-tagline {
    font-family: var(--font-ko);
    font-size: 14px;
    color: var(--faded-stone);
    opacity: 0.7;
}

/* ============================================
   Parallax Section Base
   ============================================ */

.parallax-section {
    will-change: transform;
}

/* ============================================
   Responsive
   ============================================ */

@media (max-width: 768px) {
    .mural-grid {
        grid-template-columns: 1fr 1fr;
        gap: 20px;
    }

    .tag-annotation {
        position: static;
        transform: none;
        margin-top: 20px;
        display: inline-block;
    }

    .section-murals,
    .section-statement {
        padding: 60px 4%;
    }
}

@media (max-width: 480px) {
    .mural-grid {
        grid-template-columns: 1fr;
    }

    .billboard-title {
        font-size: clamp(3rem, 15vw, 5rem);
    }

    .drip-container {
        width: 200px;
    }
}