/* ── Custom base styles ── */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    overflow-x: hidden;
}

/* ── Geometric floating shapes ── */
.geo-shape {
    position: absolute;
    will-change: transform;
    animation: float 8s ease-in-out infinite;
}

.geo-shape:nth-child(2) {
    animation-delay: -2s;
    animation-duration: 10s;
}

.geo-shape:nth-child(3) {
    animation-delay: -4s;
    animation-duration: 12s;
}

.geo-shape:nth-child(4) {
    animation-delay: -6s;
    animation-duration: 9s;
}

@keyframes float {
    0%, 100% { transform: translateY(0) scale(1); }
    50% { transform: translateY(-20px) scale(1.03); }
}

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

.service-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 60px -20px rgba(232, 93, 74, 0.15);
}

/* ── Scroll reveal (progressive enhancement, below fold only) ── */
@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 0;
        transform: translateY(30px);
        transition: opacity 0.7s ease, transform 0.7s ease;
    }

    .reveal.revealed {
        opacity: 1;
        transform: translateY(0);
    }

    .reveal-delay-1 { transition-delay: 0.1s; }
    .reveal-delay-2 { transition-delay: 0.2s; }
    .reveal-delay-3 { transition-delay: 0.3s; }
    .reveal-delay-4 { transition-delay: 0.4s; }
    .reveal-delay-5 { transition-delay: 0.5s; }
    .reveal-delay-6 { transition-delay: 0.6s; }
}

/* Fallback: always visible if JS is disabled or prefers-reduced-motion */
@media (prefers-reduced-motion: reduce) {
    .reveal {
        opacity: 1;
        transform: none;
    }
}

/* ── Mobile menu transitions ── */
#mobile-menu {
    transition: opacity 0.3s ease, pointer-events 0.3s ease;
}

#mobile-menu.open {
    opacity: 1;
    pointer-events: all;
}

/* ── Navbar scroll state ── */
#navbar.scrolled {
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

/* ── Smooth scroll offset for fixed nav ── */
section[id] {
    scroll-margin-top: 80px;
}

/* ── Selection color ── */
::selection {
    background: rgba(232, 93, 74, 0.3);
    color: white;
}

/* ── Custom scrollbar ── */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #141414;
}

::-webkit-scrollbar-thumb {
    background: #3A3A3A;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #E85D4A;
}

/* ── Form select arrow ── */
select {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23ffffff50' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    padding-right: 2.5rem;
}

/* ── Responsive adjustments ── */
@media (max-width: 767px) {
    section[id] {
        scroll-margin-top: 70px;
    }
}