/* ===== BASE & RESET ===== */
*, *::before, *::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    margin: 0;
    min-height: 100vh;
    overflow-x: hidden;
}

img, svg {
    display: block;
    max-width: 100%;
}

button, input, textarea, select {
    font: inherit;
}

/* ===== NAVBAR SCROLLED STATE ===== */
#navbar.scrolled {
    background: rgba(10, 20, 40, 0.95);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    box-shadow: 0 1px 0 rgba(255, 255, 255, 0.06), 0 4px 24px rgba(0, 0, 0, 0.3);
}

#navbar.scrolled #nav-logo-text {
    color: #ffffff;
}

/* ===== NAV LINKS ===== */
.nav-link {
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 4px;
    left: 50%;
    transform: translateX(-50%) scaleX(0);
    width: 20px;
    height: 2px;
    background: #d4a843;
    border-radius: 1px;
    transition: transform 0.2s ease;
}

.nav-link:hover::after,
.nav-link.active::after {
    transform: translateX(-50%) scaleX(1);
}

/* ===== MOBILE MENU ===== */
#mobile-menu {
    animation: slideDown 0.25s ease;
}

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

.mobile-link {
    display: block;
}

/* ===== SERVICE CARDS ===== */
.service-card {
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, #d4a843, #f4da80);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.3s ease;
}

.service-card:hover::before {
    transform: scaleX(1);
}

/* ===== SCROLL REVEAL ===== */
.reveal {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

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

@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 0;
        transform: translateY(24px);
    }

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

/* Stagger delays */
.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; }

/* ===== INPUT FOCUS STYLES ===== */
input:focus, textarea:focus {
    background: #ffffff;
}

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

::-webkit-scrollbar-track {
    background: #0a1428;
}

::-webkit-scrollbar-thumb {
    background: #2d4a8a;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #4160af;
}

/* ===== SELECTION ===== */
::selection {
    background: #d4a843;
    color: #0a1428;
}

/* ===== MAP EMBED ===== */
.map-container {
    border-radius: 1.25rem;
    overflow: hidden;
    box-shadow: 0 4px 24px rgba(10, 20, 40, 0.12);
}

.map-container iframe {
    display: block;
    width: 100%;
    height: 100%;
    min-height: 300px;
    border: 0;
}

/* ===== RESPONSIVE TWEAKS ===== */
@media (max-width: 640px) {
    .font-serif {
        line-height: 1.1;
    }
}