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

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

body {
    overflow-x: hidden;
}

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

a {
    text-decoration: none;
    color: inherit;
}

/* ===== Scrollbar ===== */
::-webkit-scrollbar {
    width: 6px;
}
::-webkit-scrollbar-track {
    background: #0A1628;
}
::-webkit-scrollbar-thumb {
    background: #C8A45E;
    border-radius: 3px;
}

/* ===== Navbar ===== */
#navbar {
    background: transparent;
    transition: background 0.5s ease, box-shadow 0.5s ease, backdrop-filter 0.5s ease;
}

#navbar.scrolled {
    background: rgba(255, 255, 255, 0.97);
    box-shadow: 0 1px 0 rgba(10, 22, 40, 0.06);
    backdrop-filter: saturate(180%) blur(20px);
}

#navbar.scrolled .nav-logo-text {
    color: #0A1628;
}

#navbar.scrolled .menu-line {
    background: #0A1628;
}

#navbar.scrolled a:not(.px-6) {
    color: #0A1628;
}

/* ===== Mobile Menu ===== */
.mobile-menu-link {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.4s ease, transform 0.4s ease;
}

#mobile-menu.open .mobile-menu-link {
    opacity: 1;
    transform: translateY(0);
}

#mobile-menu.open .mobile-menu-link:nth-child(1) { transition-delay: 0.1s; }
#mobile-menu.open .mobile-menu-link:nth-child(2) { transition-delay: 0.15s; }
#mobile-menu.open .mobile-menu-link:nth-child(3) { transition-delay: 0.2s; }
#mobile-menu.open .mobile-menu-link:nth-child(4) { transition-delay: 0.25s; }

/* ===== Service Cards ===== */
.service-card {
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 3px;
    height: 0;
    background: #C8A45E;
    transition: height 0.5s ease;
}

.service-card:hover::before {
    height: 100%;
}

/* ===== Form Inputs ===== */
.form-input {
    border: none;
    border-bottom: 1px solid rgba(10, 22, 40, 0.12);
    padding: 0.75rem 0;
    transition: border-color 0.3s ease;
    font-family: 'Inter', system-ui, sans-serif;
    background: transparent;
}

.form-input:focus {
    border-bottom-color: #C8A45E;
    outline: none;
}

.form-input::placeholder {
    color: #94a3b8;
}

.form-input option:first-child {
    color: #94a3b8;
}

/* ===== Gallery ===== */
.gallery-item {
    position: relative;
    overflow: hidden;
    cursor: pointer;
}

.gallery-item::after {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(10, 22, 40, 0);
    transition: background 0.4s ease;
}

.gallery-item:hover::after {
    background: rgba(10, 22, 40, 0.15);
}

/* ===== Scroll Reveal (progressive enhancement) ===== */
@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 0;
        transform: translateY(30px);
        transition: opacity 0.8s ease, transform 0.8s 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; }
}

/* ===== Hero floating cards animation ===== */
@media (prefers-reduced-motion: no-preference) {
    .float-slow {
        animation: floatSlow 6s ease-in-out infinite;
    }
    .float-fast {
        animation: floatFast 4s ease-in-out infinite;
    }
}

@keyframes floatSlow {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

@keyframes floatFast {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-6px); }
}

/* ===== Selection ===== */
::selection {
    background: #C8A45E;
    color: #0A1628;
}