/* ── Base & Reset ── */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
body { margin: 0; -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; }
img, svg { display: block; max-width: 100%; }
button { cursor: pointer; border: none; background: none; font: inherit; }
a { text-decoration: none; }

/* ── Hero Gradient ── */
.hero-gradient {
    background: linear-gradient(135deg, #1A2530 0%, #2C3A4A 30%, #3D4F63 55%, #50607A 75%, #B85C38 100%);
}
.hero-pattern {
    background-image: radial-gradient(circle, rgba(255,255,255,0.5) 1px, transparent 1px);
    background-size: 32px 32px;
}
.hero-glow { background: radial-gradient(circle, rgba(255,180,140,0.6), transparent 70%); }

/* ── Header ── */
#site-header { transition: background-color 0.3s ease, box-shadow 0.3s ease; }
#site-header.scrolled {
    background-color: rgba(15, 22, 29, 0.95);
    backdrop-filter: blur(12px);
    box-shadow: 0 1px 0 rgba(255,255,255,0.06);
}
.nav-link { position: relative; }
.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: #FFBB99;
    transition: all 0.25s ease;
    transform: translateX(-50%);
}
.nav-link:hover::after { width: 60%; }

/* ── Mobile Menu ── */
.mobile-link { display: block; }
#mobile-menu.open .menu-backdrop { opacity: 1; }
#mobile-menu.open #menu-panel { transform: translateX(0); }
body.menu-open { overflow: hidden; }

/* ── Scroll Reveal ── */
.reveal {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.7s cubic-bezier(0.22, 1, 0.36, 1), transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
}
.reveal.revealed {
    opacity: 1;
    transform: translateY(0);
}
@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 0;
        transform: translateY(28px);
    }
    .reveal.revealed {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ── Service Cards ── */
.service-card {
    transform: translateY(0);
    transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}
.service-card:hover { transform: translateY(-4px); }

/* ── FAQ ── */
.faq-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.35s ease, padding 0.35s ease;
}
.faq-item.open .faq-content { max-height: 200px; }
.faq-item.open .faq-icon { transform: rotate(45deg); }

/* ── Form ── */
input:focus, select:focus, textarea:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(184, 92, 56, 0.15);
}
input:invalid:not(:placeholder-shown), textarea:invalid:not(:placeholder-shown) {
    border-color: #F87171;
}
</style>