/* ===== CSS Custom Properties ===== */
:root {
    --color-navy-950: #0a1a2e;
    --color-navy-900: #102a43;
    --color-navy-800: #243b53;
    --color-gold-400: #efa623;
    --color-gold-500: #d47800;
    --font-serif: 'Playfair Display', Georgia, serif;
    --font-sans: 'Lato', 'Helvetica Neue', Arial, sans-serif;
}

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

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

body {
    font-family: var(--font-sans);
    color: var(--color-navy-900);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

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

/* ===== Navigation ===== */
.nav-text {
    color: var(--color-navy-900);
    transition: color 0.3s ease;
}

.nav-text-subtle {
    color: rgb(100, 116, 139);
    transition: color 0.3s ease;
}

/* Scrolled state applied by JS */
.navbar-scrolled .nav-text {
    color: var(--color-navy-900);
}

.navbar-scrolled .nav-text-subtle {
    color: rgb(100, 116, 139);
}

.navbar-dark .nav-text {
    color: var(--color-navy-900);
}

.navbar-dark .nav-text-subtle {
    color: rgb(100, 116, 139);
}

.nav-link {
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1.5px;
    background-color: var(--color-gold-400);
    transition: width 0.3s ease;
}

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

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

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

.mobile-link {
    position: relative;
    display: block;
}

/* ===== Hero ===== */
.hero-section {
    position: relative;
}

/* ===== 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, var(--color-gold-400), var(--color-gold-500));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.5s ease;
}

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

/* ===== Testimonial Cards ===== */
.testimonial-card {
    position: relative;
}

/* ===== Scroll Animations ===== */
/* Content is visible by default — animation class added by JS for 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; }
    .reveal-delay-6 { transition-delay: 0.6s; }
}

/* ===== Form Styles ===== */
input:focus,
select:focus,
textarea:focus {
    outline: none;
    box-shadow: 0 0 0 1px var(--color-gold-400);
}

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

::-webkit-scrollbar-track {
    background: var(--color-navy-50);
}

::-webkit-scrollbar-thumb {
    background: var(--color-navy-300);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--color-navy-400);
}

/* ===== Selection ===== */
::selection {
    background-color: var(--color-gold-400);
    color: var(--color-navy-900);
}

/* ===== Responsive Tweaks ===== */
@media (max-width: 767px) {
    html {
        scroll-padding-top: 70px;
    }
}