body {
    font-family: var(--font-sans);
    font-size: var(--text-base);
    color: var(--color-text);
    background-color: var(--color-bg);
    overflow-x: hidden;
}

/* ==================== FILM GRAIN OVERLAY ==================== */
.grain {
    position: fixed;
    inset: 0;
    z-index: 1000;
    pointer-events: none;
    opacity: 0.035;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
    background-repeat: repeat;
    background-size: 256px 256px;
}

/* ==================== PARALLAX BACKGROUND ==================== */
.bg-scene {
    position: fixed;
    inset: 0;
    z-index: -1;
    background: url('../assets/images/street-scene.png') center center / cover no-repeat;
    filter: brightness(0.9) saturate(1.1);
    will-change: transform;
}

/* Overlay — very subtle, photo is the star */
.bg-scene::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(
        170deg,
        rgba(255, 248, 240, 0.25) 0%,
        rgba(255, 248, 240, 0.15) 40%,
        rgba(26, 26, 26, 0.15) 100%
    );
}

/* ==================== SECTIONS ==================== */
.section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    padding: var(--space-lg) var(--space-md);
    padding-top: calc(var(--nav-height) + var(--space-lg));
}

.section--hero {
    padding-top: var(--space-lg);
    background: transparent;
    min-height: 100vh;
    min-height: 100dvh;
}

.section--zones {
    background: transparent;
    padding-top: calc(var(--nav-height) + var(--space-md));
    min-height: auto;
    padding-bottom: var(--space-xl);
}

.section--alt {
    background-color: rgba(245, 237, 228, 0.92);
}

.section--dark {
    background-color: var(--color-bg-dark);
    color: var(--color-text-light);
}

.section--primary {
    background-color: var(--color-primary);
    color: var(--color-text-light);
}

.section__inner {
    max-width: var(--max-width);
    width: 100%;
    margin: 0 auto;
}

/* ==================== GLASS PANEL ==================== */
.glass-panel {
    background: var(--glass-bg);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border: 1px solid var(--glass-border);
    border-radius: 28px;
    padding: var(--space-lg);
    box-shadow:
        0 8px 32px rgba(26, 26, 26, 0.08),
        inset 0 1px 0 rgba(255, 255, 255, 0.5);
}

.glass-panel--dark {
    background: var(--glass-dark);
    border-color: var(--glass-dark-border);
    color: var(--color-text-light);
    box-shadow:
        0 8px 32px rgba(0, 0, 0, 0.3),
        inset 0 1px 0 rgba(255, 255, 255, 0.05);
}

/* ==================== GRID LAYOUTS ==================== */
.grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-lg);
    align-items: stretch;
}

.grid-2.grid-2--center {
    align-items: center;
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-md);
}

.grid-4 {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-sm);
}

/* ==================== TYPOGRAPHY ==================== */
.heading-hero {
    font-family: var(--font-serif);
    font-size: var(--text-hero);
    font-weight: 900;
    letter-spacing: -0.03em;
    line-height: 1.15;
    color: var(--color-text);
}

.heading-1 {
    font-family: var(--font-serif);
    font-size: var(--text-3xl);
    font-weight: 700;
    letter-spacing: -0.02em;
    line-height: 1.1;
}

.heading-2 {
    font-family: var(--font-serif);
    font-size: var(--text-2xl);
    font-weight: 700;
}

.heading-3 {
    font-family: var(--font-serif);
    font-size: var(--text-xl);
    font-weight: 600;
}

.subtitle {
    font-size: var(--text-lg);
    color: var(--color-text-secondary);
    max-width: 600px;
    line-height: 1.7;
}

.section--dark .subtitle,
.section--primary .subtitle {
    color: rgba(255, 248, 240, 0.7);
}

.label {
    font-size: var(--text-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--color-primary);
    display: inline-flex;
    align-items: center;
    gap: 0.5em;
}

.label::before {
    content: '';
    display: inline-block;
    width: 24px;
    height: 2px;
    background: currentColor;
}

.section--dark .label,
.section--primary .label {
    color: var(--color-accent);
}

/* ==================== SPACERS ==================== */
.mt-xs { margin-top: var(--space-xs); }
.mt-sm { margin-top: var(--space-sm); }
.mt-md { margin-top: var(--space-md); }
.mt-lg { margin-top: var(--space-lg); }
.mb-sm { margin-bottom: var(--space-sm); }
.mb-md { margin-bottom: var(--space-md); }