/* ── Variables & Reset ── */
:root {
    --fire-orange: #f7931e;
    --fire-red: #e63946;
    --fire-yellow: #fbb034;
    --dark-bg: #0d0d0d;
    --dark-surface: #161616;
    --dark-card: #1e1e1e;
    --dark-border: #2a2a2a;
    --text-primary: #f0f0f0;
    --text-secondary: #b0b0b0;
    --text-muted: #707070;
    --gradient-fire: linear-gradient(135deg, var(--fire-yellow) 0%, var(--fire-orange) 50%, var(--fire-red) 100%);
    --gradient-fire-subtle: linear-gradient(135deg, rgba(247,147,30,0.15) 0%, rgba(230,57,70,0.15) 100%);
    --radius: 12px;
    --radius-lg: 20px;
    --shadow: 0 4px 24px rgba(0,0,0,0.4);
    --shadow-glow: 0 0 40px rgba(247,147,30,0.15);
    --max-width: 1200px;
    --transition: 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--dark-bg);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

a {
    color: var(--fire-orange);
    text-decoration: none;
    transition: color var(--transition);
}

a:hover {
    color: var(--fire-yellow);
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

ul, ol {
    list-style: none;
}

/* ── Typography ── */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    color: var(--text-primary);
}

h1 { font-size: clamp(2.2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.6rem, 3.5vw, 2.4rem); }
h3 { font-size: clamp(1.2rem, 2.5vw, 1.5rem); }

p {
    color: var(--text-secondary);
    font-size: 1.05rem;
    line-height: 1.7;
}

/* ── Utility ── */
.container {
    width: 100%;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 24px;
}

.section {
    padding: 100px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-header h2 {
    margin-bottom: 16px;
}

.section-header p {
    max-width: 640px;
    margin: 0 auto;
}

.text-gradient {
    background: var(--gradient-fire);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.text-center { text-align: center; }

/* ── Responsive ── */
@media (max-width: 768px) {
    .section {
        padding: 60px 0;
    }
    .section-header {
        margin-bottom: 40px;
    }
}