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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    overflow-x: hidden;
}

/* ===== NAVBAR ===== */
#navbar {
    background: rgba(250, 250, 248, 0.95);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(15, 33, 64, 0.06);
}

#navbar.scrolled {
    background: rgba(255, 255, 255, 0.98);
    box-shadow: 0 1px 20px rgba(10, 22, 40, 0.08);
}

.nav-link {
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: #D4A017;
    transition: width 0.3s ease;
}

.nav-link:hover::after {
    width: 100%;
}

/* ===== MOBILE MENU ===== */
.menu-line {
    display: block;
}

#mobile-menu {
    animation: slideDown 0.3s ease;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.mobile-link {
    border-bottom: 1px solid rgba(15, 33, 64, 0.06);
}

.mobile-link:last-child {
    border-bottom: none;
}

/* ===== HERO ===== */
.card-silhouette {
    animation: floatCard 6s ease-in-out infinite;
}

.card-silhouette:nth-child(2) {
    animation-delay: -1s;
    animation-duration: 7s;
}

.card-silhouette:nth-child(3) {
    animation-delay: -2s;
    animation-duration: 5s;
}

.card-silhouette:nth-child(4) {
    animation-delay: -3s;
    animation-duration: 8s;
}

.card-silhouette:nth-child(5) {
    animation-delay: -4s;
    animation-duration: 6s;
}

@keyframes floatCard {
    0%, 100% {
        transform: translateY(0) rotate(var(--rotation, 12deg));
    }
    50% {
        transform: translateY(-20px) rotate(var(--rotation, 12deg));
    }
}

/* ===== 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, #D4A017, #E8B828);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s ease;
}

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

/* ===== SCROLL REVEAL ===== */
.reveal {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

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

@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 0;
        transform: translateY(30px);
    }
    
    .reveal.revealed {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ===== STAGGER ===== */
.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; }

/* ===== BUTTONS ===== */
a:focus-visible, button:focus-visible {
    outline: 2px solid #D4A017;
    outline-offset: 2px;
    border-radius: 4px;
}

/* ===== UTILITIES ===== */
@media (max-width: 768px) {
    .card-silhouette {
        display: none;
    }
}

/* ===== MAP ===== */
iframe {
    filter: saturate(0.8) contrast(1.05);
}

/* ===== SELECTION ===== */
::selection {
    background: #D4A017;
    color: #0A1628;
}