/* ── Base Reset & Tokens ───────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; }
body { min-height: 100vh; }
img, svg { display: block; max-width: 100%; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }

/* ── Utility ────────────────────────────────────────────────── */
.section { padding: 100px 0; }
.container { width: 100%; max-width: 1200px; margin: 0 auto; }

/* ── Header ─────────────────────────────────────────────────── */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: rgba(250, 250, 248, 0.92);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(26, 26, 26, 0.06);
    transition: box-shadow 0.3s ease;
}
.site-header.scrolled {
    box-shadow: 0 4px 30px rgba(26, 26, 26, 0.08);
}

/* ── Hero ───────────────────────────────────────────────────── */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    background: var(--charcoal-900);
}
.hero-bg {
    position: absolute;
    inset: 0;
    background: url('https://images.pexels.com/photos/5799375/pexels-photo-5799375.jpeg?auto=compress&cs=tinysrgb&fit=crop&w=1920&h=1080') center center / cover no-repeat;
    transform: scale(1.05);
}
.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        135deg,
        rgba(26, 26, 26, 0.88) 0%,
        rgba(45, 45, 45, 0.82) 50%,
        rgba(26, 26, 26, 0.88) 100%
    );
}
.hero-scroll-indicator {
    position: absolute;
    bottom: 32px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    z-index: 10;
}
@keyframes scrollLine {
    0% { transform: scaleY(0); transform-origin: top; opacity: 0.3; }
    50% { transform: scaleY(1); transform-origin: top; opacity: 0.6; }
    51% { transform-origin: bottom; }
    100% { transform: scaleY(0); transform-origin: bottom; opacity: 0.3; }
}

/* ── Trust Bar ──────────────────────────────────────────────── */
.trust-bar {
    border-bottom: 1px solid rgba(26, 26, 26, 0.06);
}
.trust-bar .reveal:nth-child(1) { transition-delay: 0.05s; }
.trust-bar .reveal:nth-child(2) { transition-delay: 0.1s; }
.trust-bar .reveal:nth-child(3) { transition-delay: 0.15s; }
.trust-bar .reveal:nth-child(4) { transition-delay: 0.2s; }

/* ── Services ───────────────────────────────────────────────── */
.services .reveal:nth-child(1) { transition-delay: 0.05s; }
.services .reveal:nth-child(2) { transition-delay: 0.1s; }
.services .reveal:nth-child(3) { transition-delay: 0.15s; }
.services .reveal:nth-child(4) { transition-delay: 0.2s; }
.services .reveal:nth-child(5) { transition-delay: 0.25s; }
.services .reveal:nth-child(6) { transition-delay: 0.3s; }

/* ── About ──────────────────────────────────────────────────── */
.about .reveal { transition-delay: 0.1s; }
.about .reveal:nth-child(3) { transition-delay: 0.2s; }
.about .reveal:nth-child(4) { transition-delay: 0.3s; }

/* ── Portfolio ──────────────────────────────────────────────── */
.portfolio .reveal:nth-child(1) { transition-delay: 0.05s; }
.portfolio .reveal:nth-child(2) { transition-delay: 0.1s; }
.portfolio .reveal:nth-child(3) { transition-delay: 0.15s; }
.portfolio .reveal:nth-child(4) { transition-delay: 0.2s; }
.portfolio .reveal:nth-child(5) { transition-delay: 0.25s; }
.portfolio .reveal:nth-child(6) { transition-delay: 0.3s; }

/* ── Process ────────────────────────────────────────────────── */
.process .reveal:nth-child(1) { transition-delay: 0.05s; }
.process .reveal:nth-child(2) { transition-delay: 0.1s; }
.process .reveal:nth-child(3) { transition-delay: 0.15s; }
.process .reveal:nth-child(4) { transition-delay: 0.2s; }

/* ── Testimonials ───────────────────────────────────────────── */
.testimonials .reveal:nth-child(1) { transition-delay: 0.05s; }
.testimonials .reveal:nth-child(2) { transition-delay: 0.1s; }
.testimonials .reveal:nth-child(3) { transition-delay: 0.15s; }

/* ── CTA Banner ─────────────────────────────────────────────── */
.cta-banner { padding: 80px 0; }

/* ── Contact ────────────────────────────────────────────────── */
.contact .reveal:nth-child(1) { transition-delay: 0.05s; }
.contact .reveal:nth-child(2) { transition-delay: 0.1s; }
.contact .reveal:nth-child(3) { transition-delay: 0.15s; }

/* ── Footer ─────────────────────────────────────────────────── */
.footer { padding-top: 0; }