/* ========== BASE & RESET ========== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
body { overflow-x: hidden; }

/* ========== NAVBAR ========== */
#navbar {
    transition: background 0.4s ease, box-shadow 0.4s ease, padding 0.4s ease;
}
#navbar.scrolled {
    background: rgba(21, 42, 69, 0.97);
    backdrop-filter: blur(12px);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.15);
}
.nav-link {
    position: relative;
}
.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: #c9a84c;
    transition: width 0.3s ease;
}
.nav-link:hover::after {
    width: 100%;
}
.nav-title {
    text-shadow: 0 1px 3px rgba(0,0,0,0.3);
}

/* ========== MOBILE MENU ========== */
#mobile-menu {
    right: 0;
}
#mobile-menu.open {
    transform: translateX(0);
}
#mobile-menu:not(.open) {
    transform: translateX(100%);
}
.menu-line {
    transition: all 0.3s ease;
}
#menu-btn.active .menu-line:nth-child(1) {
    transform: rotate(45deg) translate(4px, 4px);
}
#menu-btn.active .menu-line:nth-child(2) {
    opacity: 0;
}
#menu-btn.active .menu-line:nth-child(3) {
    width: 20px;
    transform: rotate(-45deg) translate(4px, -4px);
}

/* ========== HERO ========== */
.hero-bg {
    will-change: transform;
}
.hero-bg img {
    animation: slowZoom 25s ease-in-out infinite alternate;
}
@keyframes slowZoom {
    0% { transform: scale(1); }
    100% { transform: scale(1.08); }
}
.hero-badge {
    animation: fadeInDown 0.8s ease forwards;
    opacity: 0;
    animation-delay: 0.2s;
}
.hero-title {
    animation: fadeInUp 0.8s ease forwards;
    opacity: 0;
    animation-delay: 0.4s;
}
.hero-subtitle {
    animation: fadeInUp 0.8s ease forwards;
    opacity: 0;
    animation-delay: 0.6s;
}
.hero-cta {
    animation: fadeInUp 0.8s ease forwards;
    opacity: 0;
    animation-delay: 0.8s;
}
@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}
@keyframes fadeInDown {
    from { opacity: 0; transform: translateY(-20px); }
    to { opacity: 1; transform: translateY(0); }
}
.scroll-indicator {
    animation: bounce 2s ease-in-out infinite;
}
@keyframes bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(8px); }
}

/* ========== SECTION UTILITIES ========== */
.section-label {
    letter-spacing: 0.15em;
}
.section-title {
    line-height: 1.15;
}
.section-desc {
    line-height: 1.75;
}

/* ========== 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, #1e3a5f, #c9a84c);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s ease;
}
.service-card:hover::before {
    transform: scaleX(1);
}

/* ========== SCROLL ANIMATIONS ========== */
.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.visible {
    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; }

/* ========== FORM ========== */
input:focus, select:focus, textarea:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(201, 168, 76, 0.15);
}

/* ========== RESPONSIVE ========== */
@media (max-width: 767px) {
    .hero-title {
        font-size: 2.5rem;
    }
    .section-title {
        font-size: 2.25rem;
    }
}

@media (min-width: 768px) and (max-width: 1023px) {
    .hero-title {
        font-size: 3.5rem;
    }
}