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

:root {
    --parchment: #f2e6d9;
    --sand: #d4c4b0;
    --crimson: #e5173f;
    --wine: #5c1a3a;
    --hotpink: #ff4d6a;
    --deepwine: #3a0519;
    --gold: #d4983d;
    --abyss: #1a0a12;
}

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--abyss);
    color: var(--parchment);
    font-family: 'Outfit', sans-serif;
    font-weight: 400;
    overflow-x: hidden;
}

.section {
    min-height: 100vh;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 4rem 2rem;
}

.z-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    grid-template-rows: 1fr 1fr;
    gap: 2rem;
    width: 100%;
    max-width: 1200px;
    min-height: 70vh;
    align-items: center;
}

.z-top-left {
    grid-column: 1 / 3;
    grid-row: 1;
}

.z-top-right {
    grid-column: 4 / 7;
    grid-row: 1;
    text-align: right;
}

.z-bottom-left {
    grid-column: 1 / 4;
    grid-row: 2;
}

.z-bottom-right {
    grid-column: 4 / 7;
    grid-row: 2;
}

/* Typography */
.headline {
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 700;
    font-size: clamp(3rem, 8vw, 6.5rem);
    letter-spacing: -0.03em;
    line-height: 0.92;
    text-transform: uppercase;
    color: var(--parchment);
}

.headline .accent {
    color: var(--hotpink);
}

.body-text {
    font-family: 'Outfit', sans-serif;
    font-weight: 400;
    font-size: clamp(1rem, 1.5vw, 1.25rem);
    line-height: 1.6;
    color: var(--sand);
    max-width: 40ch;
}

.mono {
    font-family: 'IBM Plex Mono', monospace;
    font-weight: 400;
}

.micro-interaction {
    font-size: 0.85rem;
    color: var(--gold);
    letter-spacing: 0.05em;
    margin-top: 1rem;
}

/* Z-Line diagonal connector */
.z-line {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    opacity: 0.1;
    overflow: hidden;
}

.z-line::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 10%;
    width: 80%;
    height: 1px;
    background: var(--hotpink);
    transform: rotate(15deg);
    transform-origin: left center;
}

/* Icons */
.iso-icon {
    width: 140px;
    height: 140px;
}

.iso-icon-large {
    width: 200px;
    height: 200px;
}

.iso-block {
    width: 120px;
    height: 120px;
}

/* Gradient block */
.gradient-block {
    width: 100%;
    max-width: 300px;
    height: 120px;
    background: linear-gradient(135deg, var(--wine) 0%, var(--crimson) 50%, var(--hotpink) 100%);
    clip-path: polygon(10% 0%, 100% 0%, 90% 100%, 0% 100%);
    opacity: 0.7;
}

.gradient-block-alt {
    background: linear-gradient(135deg, var(--deepwine) 0%, var(--gold) 50%, var(--crimson) 100%);
}

/* Stats */
.stat-block {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.stat-number {
    font-size: clamp(2.5rem, 5vw, 4rem);
    color: var(--hotpink);
    font-weight: 400;
}

.stat-label {
    font-family: 'Outfit', sans-serif;
    font-size: 0.9rem;
    color: var(--sand);
    text-transform: lowercase;
}

/* Mini puzzle grid */
.puzzle-grid-mini {
    display: grid;
    grid-template-columns: repeat(3, 40px);
    grid-template-rows: repeat(3, 40px);
    gap: 4px;
}

.mini-piece {
    background: var(--deepwine);
    border: 1px solid var(--wine);
    transition: background 0.4s ease, transform 0.3s ease;
}

.mini-piece.filled {
    background: var(--hotpink);
    border-color: var(--crimson);
}

.mini-piece.active {
    background: var(--gold);
    transform: scale(1.1);
}

/* CTA Button */
.cta-button {
    display: inline-flex;
    align-items: center;
    gap: 1rem;
    padding: 1.2rem 2.5rem;
    background: var(--crimson);
    color: var(--parchment);
    border: none;
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 700;
    font-size: 1.2rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    transition: background 0.3s ease, transform 0.2s ease;
}

.cta-button:hover {
    background: var(--hotpink);
    transform: translateY(-2px);
}

.cta-arrow {
    transition: transform 0.3s ease;
}

.cta-button:hover .cta-arrow {
    transform: translateX(5px);
}

.cta-sub {
    margin-top: 1.2rem;
    opacity: 0.7;
}

/* Scroll progress */
.scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    height: 3px;
    width: 0%;
    background: linear-gradient(90deg, var(--crimson), var(--hotpink), var(--gold));
    z-index: 1000;
    transition: width 0.1s linear;
}

/* Section reveal animations */
.section {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

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

/* Hero always visible */
.section-hero {
    opacity: 1;
    transform: none;
}

/* Responsive */
@media (max-width: 768px) {
    .z-grid {
        grid-template-columns: 1fr;
        grid-template-rows: auto;
        gap: 2rem;
    }

    .z-top-left,
    .z-top-right,
    .z-bottom-left,
    .z-bottom-right {
        grid-column: 1;
        grid-row: auto;
        text-align: left;
    }

    .iso-icon {
        width: 100px;
        height: 100px;
    }

    .headline {
        font-size: clamp(2rem, 10vw, 4rem);
    }
}