/* ── Base / Global ─────────────────────────────── */
:root {
    --accent: #00d4ff;
    --bg: #000000;
    --surface: #0d1117;
    --ink: #f5f5f5;
    --dim: rgba(0, 212, 255, 0.6);
}

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

html {
    scroll-behavior: smooth;
}

body{
    max-width: 1440px;
    margin: 0 auto;
    padding: 0;
    font-family: "Inter", sans-serif;
    background-color: var(--bg);
    color: var(--ink);
}

section{
    margin-bottom: 100px;
    width: 100%;
    scroll-margin-top: 90px;
}

.eyebrow {
    display: block;
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.25em;
    color: var(--dim);
    margin-bottom: 12px;
}

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

/* ── Buttons (shared across sections) ─────────────────────────────── */
.btn{
    height: auto;
    padding: 16px 32px;
    border: none;
    border-radius: 4px;
    font-weight: 700;
    letter-spacing: 0.08em;
    font-size: 0.85rem;
    justify-content: center;
    cursor: pointer;
    transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.btn:hover{
    transform: translateY(-2px);
}
.btn-primary {
    background-color: var(--accent);
    color: #000;
    box-shadow: 0 0 0 rgba(0, 212, 255, 0);
}
.btn-primary:hover {
    box-shadow: 0 8px 24px rgba(0, 212, 255, 0.35);
}
.btn-secondary {
    background-color: transparent;
    color: var(--accent);
    border: 1px solid var(--accent);
}
.btn-secondary:hover {
    background-color: rgba(0, 212, 255, 0.08);
}

/* ── Scroll reveal utility ─────────────────────────────── */
.reveal {
    opacity: 0;
    transform: translateY(18px);
    transition: opacity 700ms cubic-bezier(.2,.9,.2,1), transform 700ms cubic-bezier(.2,.9,.2,1);
    will-change: opacity, transform;
}

.reveal.is-visible {
    opacity: 1;
    transform: none;
}

/* Alternate directions */
.reveal-left { transform: translateX(-28px); }
.reveal-right { transform: translateX(28px); }
.reveal.is-visible.reveal-left,
.reveal.is-visible.reveal-right { transform: none; }

/* Stagger helpers for groups */
.reveal-stagger > * {
    transition-delay: 80ms;
}

@media (prefers-reduced-motion: reduce) {
    .reveal, .reveal.is-visible, .reveal-left, .reveal-right { transition: none !important; transform: none !important; opacity: 1 !important; }
}