/* ==============================================
   AEROFIELD — RESET & BASE LAYOUT
   Global resets, body, scrollbar, backgrounds,
   container, and reusable structural utilities.
   ============================================== */

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    background: var(--bg-primary);
    color: var(--text-primary);
    height: 100vh;
    overflow: hidden;
    padding-bottom: 0;
}

/* --- Scrollbar --- */
::-webkit-scrollbar       { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg-primary); }
::-webkit-scrollbar-thumb { background: var(--glow-amber-dim); border-radius: 3px; }

/* --- Background Layers (fixed, decorative) --- */
.bg-pattern {
    position: fixed;
    inset: 0;
    z-index: 0;
    opacity: 0.03;
    pointer-events: none;
    background-image:
        linear-gradient(rgba(212,160,74,0.3) 1px, transparent 1px),
        linear-gradient(90deg, rgba(212,160,74,0.3) 1px, transparent 1px);
    background-size: 60px 60px;
}

.bg-radial {
    position: fixed;
    inset: 0;
    z-index: 0;
    pointer-events: none;
    background:
        radial-gradient(ellipse 80% 60% at 50% -10%, rgba(212,160,74,0.06) 0%, transparent 60%),
        radial-gradient(ellipse 60% 40% at 80% 100%, rgba(99,102,241,0.04) 0%, transparent 50%);
}

/* --- Container --- */
.container {
    position: relative;
    z-index: 1;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 clamp(16px, 4vw, 48px);
}

/* --- SVG icon utility --- */
.icon-svg {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.icon-svg svg {
    width: 100%;
    height: 100%;
}

/* --- Section primitives --- */
.section {
    padding: var(--space-3xl) 0;
}

.section-header {
    text-align: center;
    margin-bottom: var(--space-2xl);
}

.section-label {
    font-family: var(--font-ui);
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 5px;
    text-transform: uppercase;
    color: var(--glow-amber-dim);
    margin-bottom: var(--space-md);
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(24px, 3.5vw, 40px);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 12px;
}

.section-desc {
    font-size: 14px;
    color: var(--text-muted);
    max-width: 520px;
    margin: 0 auto;
    line-height: 1.7;
}