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

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    overflow-x: hidden;
}

::selection {
    background: #C0593A;
    color: #fff;
}

/* ===== Scroll Reveal (progressive enhancement) ===== */
@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 0;
        transform: translateY(32px);
        transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1), transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
    }
    .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; }
}

/* ===== Navbar ===== */
#navbar {
    transition: background-color 0.3s ease, box-shadow 0.3s ease, backdrop-filter 0.3s ease;
}

#navbar.scrolled {
    background: rgba(15, 26, 46, 0.95);
    backdrop-filter: blur(16px);
    box-shadow: 0 4px 32px rgba(0, 0, 0, 0.3);
}

/* ===== Hero Stat Cards ===== */
.stat-card {
    animation: float 6s ease-in-out infinite;
}

.stat-card:nth-child(2) {
    animation-delay: -1.5s;
}

.stat-card:nth-child(3) {
    animation-delay: -3s;
}

.stat-card:nth-child(4) {
    animation-delay: -4.5s;
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-8px); }
}

/* ===== Service Cards ===== */
.service-card {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.service-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 60px rgba(15, 26, 46, 0.3);
}

/* ===== Gallery ===== */
.gallery-item {
    transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.gallery-item:hover {
    transform: scale(1.02);
}

/* ===== Buttons ===== */
a, button {
    -webkit-tap-highlight-color: transparent;
}

/* ===== Mobile Menu ===== */
#mobile-menu {
    animation: slideDown 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-8px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.mobile-link {
    transition: color 0.2s ease, padding-left 0.2s ease;
}

.mobile-link:hover {
    color: #fff;
    padding-left: 8px;
}

/* ===== Form ===== */
input:focus, select:focus, textarea:focus {
    outline: none;
}

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

::-webkit-scrollbar-track {
    background: #0F1A2E;
}

::-webkit-scrollbar-thumb {
    background: #C0593A;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #A8462A;
}

/* ===== Responsive tweaks ===== */
@media (max-width: 768px) {
    .stat-card {
        animation: none !important;
    }
}