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

:root {
    --deep-ember: #1a0a04;
    --ember-dark: #2a2018;
    --flame-red: #e84a2c;
    --flame-orange: #e8643c;
    --terracotta: #c4453a;
    --copper: #d4956a;
    --sand: #d4a574;
    --stone: #8a7560;
    --cream: #faf4ed;
    --font-mono: 'IBM Plex Mono', monospace;
    --font-serif: 'Shippori Mincho', serif;
    --font-sans: 'Space Grotesk', sans-serif;
}

html, body {
    height: 100%;
    overflow: hidden;
    background: var(--deep-ember);
    color: var(--sand);
}

#magazine {
    scroll-snap-type: y mandatory;
    overflow-y: scroll;
    height: 100vh;
    scroll-behavior: smooth;
}

.spread {
    scroll-snap-align: start;
    height: 100vh;
    display: grid;
    grid-template-columns: 38.2fr 61.8fr;
    overflow: hidden;
}

.spread-left, .spread-right {
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: clamp(2rem, 4vw, 6rem);
    position: relative;
}

/* Spread 1 */
.spread-one .spread-left {
    background: var(--deep-ember);
    align-items: flex-start;
    justify-content: center;
}

.wordmark {
    font-family: var(--font-mono);
    font-weight: 300;
    font-size: clamp(4rem, 10vw, 16rem);
    letter-spacing: 0.15em;
    color: var(--flame-red);
    line-height: 0.85;
}

.tagline {
    font-family: var(--font-serif);
    font-size: clamp(1rem, 2vw, 1.5rem);
    font-weight: 400;
    color: var(--sand);
    margin-top: 1.5rem;
    opacity: 0.8;
}

.spread-one .spread-right {
    background: var(--ember-dark);
    align-items: center;
    justify-content: center;
}

.pulse-ring {
    width: clamp(200px, 30vw, 500px);
    height: clamp(200px, 30vw, 500px);
    border-radius: 50%;
    border: 1px solid var(--flame-orange);
    position: relative;
    animation: pulse 3s ease-in-out infinite;
}

.pulse-ring::before,
.pulse-ring::after {
    content: '';
    position: absolute;
    border-radius: 50%;
    border: 1px solid var(--terracotta);
}

.pulse-ring::before {
    inset: 15%;
    animation: pulse 3s ease-in-out infinite 0.5s;
}

.pulse-ring::after {
    inset: 35%;
    animation: pulse 3s ease-in-out infinite 1s;
    border-color: var(--flame-red);
}

@keyframes pulse {
    0%, 100% { transform: scale(1); opacity: 0.6; }
    50% { transform: scale(1.05); opacity: 1; }
}

.manifesto-text {
    font-family: var(--font-serif);
    font-size: clamp(0.9rem, 1.2vw, 1.1rem);
    color: var(--sand);
    opacity: 0.7;
    position: absolute;
    bottom: clamp(2rem, 4vw, 6rem);
    right: clamp(2rem, 4vw, 6rem);
    max-width: 300px;
    text-align: right;
    line-height: 1.6;
}

/* Section numbers and titles */
.section-number {
    font-family: var(--font-mono);
    font-weight: 600;
    font-size: clamp(0.7rem, 1vw, 0.85rem);
    letter-spacing: 0.2em;
    color: var(--flame-orange);
    text-transform: uppercase;
}

.section-title {
    font-family: var(--font-sans);
    font-weight: 500;
    font-size: clamp(1.8rem, 3.5vw, 3.5rem);
    color: var(--sand);
    margin: 0.5rem 0 1.5rem;
    line-height: 1.1;
}

.section-body {
    font-family: var(--font-serif);
    font-size: clamp(0.95rem, 1.2vw, 1.15rem);
    line-height: 1.7;
    color: var(--stone);
    max-width: 420px;
}

/* Spread 2 */
.spread-two .spread-left {
    background: var(--deep-ember);
}

.spread-two .spread-right {
    background: var(--ember-dark);
    align-items: center;
    justify-content: center;
}

.heat-matrix {
    display: grid;
    grid-template-columns: repeat(8, 1fr);
    grid-template-rows: repeat(12, 1fr);
    gap: 3px;
    width: clamp(200px, 25vw, 350px);
    height: clamp(300px, 38vw, 525px);
}

.heat-cell {
    border-radius: 2px;
    transition: opacity 0.6s ease;
}

/* Spread 3 */
.spread-three .spread-left {
    background: var(--ember-dark);
    align-items: center;
    justify-content: center;
}

.spread-three .spread-right {
    background: var(--deep-ember);
}

.signal-flow {
    width: 100%;
    height: 80%;
}

.signal-flow svg {
    width: 100%;
    height: 100%;
}

/* Spread 4 */
.spread-four .spread-left {
    background: var(--deep-ember);
}

.spread-four .spread-right {
    background: var(--ember-dark);
    align-items: center;
    justify-content: center;
}

.metrics {
    margin-top: 2rem;
}

.metric {
    margin-bottom: 1.5rem;
}

.metric-value {
    font-family: var(--font-mono);
    font-weight: 300;
    font-size: clamp(2.5rem, 5vw, 4.5rem);
    color: var(--flame-red);
    display: block;
    line-height: 1;
}

.metric-label {
    font-family: var(--font-mono);
    font-weight: 600;
    font-size: clamp(0.65rem, 0.8vw, 0.8rem);
    letter-spacing: 0.15em;
    color: var(--stone);
    text-transform: uppercase;
}

.bar-chart {
    display: flex;
    align-items: flex-end;
    gap: 4px;
    height: 300px;
    width: clamp(200px, 25vw, 350px);
}

.bar {
    flex: 1;
    background: var(--flame-orange);
    border-radius: 2px 2px 0 0;
    transition: height 1s cubic-bezier(0.22, 1, 0.36, 1);
    opacity: 0.8;
}

.bar:hover {
    opacity: 1;
    background: var(--flame-red);
}

/* Spread 5 */
.spread-five .spread-left {
    background: var(--ember-dark);
    align-items: center;
    justify-content: center;
}

.spread-five .spread-right {
    background: var(--deep-ember);
}

.orbit-system {
    position: relative;
    width: clamp(200px, 25vw, 400px);
    height: clamp(200px, 25vw, 400px);
}

.orbit {
    position: absolute;
    border-radius: 50%;
    border: 1px solid var(--stone);
    opacity: 0.4;
}

.orbit-1 {
    inset: 0;
    animation: spin 20s linear infinite;
}

.orbit-2 {
    inset: 20%;
    animation: spin 14s linear infinite reverse;
}

.orbit-3 {
    inset: 40%;
    animation: spin 8s linear infinite;
}

.orbit-center {
    position: absolute;
    inset: 46%;
    border-radius: 50%;
    background: var(--flame-red);
    box-shadow: 0 0 30px var(--flame-orange);
}

.orbit::after {
    content: '';
    position: absolute;
    width: 8px;
    height: 8px;
    background: var(--copper);
    border-radius: 50%;
    top: -4px;
    left: 50%;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.cta-button {
    display: inline-block;
    margin-top: 2rem;
    font-family: var(--font-mono);
    font-weight: 600;
    font-size: 0.85rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--deep-ember);
    background: var(--flame-red);
    padding: 1rem 2.5rem;
    text-decoration: none;
    border-radius: 0;
    transition: background 0.3s ease, transform 0.2s ease;
}

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

/* Scrollbar */
#magazine::-webkit-scrollbar {
    width: 3px;
}

#magazine::-webkit-scrollbar-track {
    background: var(--deep-ember);
}

#magazine::-webkit-scrollbar-thumb {
    background: var(--stone);
}