/*
 * Marina J. Jewelry - Atelier Noir Design System
 * "Beverly Hills' Best Kept Secret - Finally Revealed"
 */

/* ========================================
   CSS VARIABLES & FOUNDATIONS
   ======================================== */

:root {
    /* Colors */
    --black-deep: #050505;
    --black-rich: #0a0a0a;
    --charcoal: #121212;
    --charcoal-mid: #1a1a1a;
    --charcoal-light: #242424;

    --gold: #C5A572;
    --gold-light: #D4BC8A;
    --gold-bright: #D4AF37;

    --white: #F8F6F3;
    --white-pure: #FFFFFF;
    --gray: #9A9A9A;
    --gray-light: #BEBEBE;

    /* Typography */
    --font-display: 'Bodoni Moda', serif;
    --font-body: 'Outfit', sans-serif;

    /* Spacing */
    --space-xs: 8px;
    --space-sm: 16px;
    --space-md: 24px;
    --space-lg: 48px;
    --space-xl: 80px;
    --space-2xl: 120px;

    /* Transitions */
    --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
    --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
}

/* ========================================
   RESET & BASE
   ======================================== */

*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-body);
    background-color: var(--black-deep);
    color: var(--white);
    font-size: 1.0625rem;
    line-height: 1.7;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

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

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

/* ========================================
   TYPOGRAPHY
   ======================================== */

h1, h2, h3, h4 {
    font-family: var(--font-display);
    font-weight: 400;
    line-height: 1.15;
    letter-spacing: -0.01em;
}

h1 { font-size: clamp(3rem, 8vw, 6rem); }
h2 { font-size: clamp(2rem, 5vw, 3.5rem); }
h3 { font-size: clamp(1.5rem, 3vw, 2rem); }
h4 { font-size: 1.25rem; }

.text-display {
    font-family: var(--font-display);
}

.text-italic {
    font-style: italic;
}

.text-gold {
    color: var(--gold);
}

.text-gray {
    color: var(--gray);
}

.text-sm {
    font-size: 0.875rem;
}

.text-xs {
    font-size: 0.75rem;
}

.text-uppercase {
    text-transform: uppercase;
    letter-spacing: 0.2em;
}

.text-center {
    text-align: center;
}

/* ========================================
   LAYOUT
   ======================================== */

.container {
    width: 100%;
    max-width: 1440px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

.container-narrow {
    max-width: 900px;
}

.container-wide {
    max-width: 1600px;
}

section {
    padding: var(--space-2xl) 0;
}

.section-sm {
    padding: var(--space-xl) 0;
}

/* Grid System */
.grid {
    display: grid;
    gap: var(--space-md);
}

.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

/* Flex Utilities */
.flex {
    display: flex;
}

.flex-center {
    display: flex;
    align-items: center;
    justify-content: center;
}

.flex-between {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.flex-col {
    flex-direction: column;
}

.gap-sm { gap: var(--space-sm); }
.gap-md { gap: var(--space-md); }
.gap-lg { gap: var(--space-lg); }
.gap-xl { gap: var(--space-xl); }

/* ========================================
   NAVIGATION
   ======================================== */

.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: var(--space-md) 0;
    transition: all 0.4s var(--ease-out);
}

.nav.scrolled {
    background: rgba(5, 5, 5, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(197, 165, 114, 0.1);
}

.nav-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    height: 56px;
    transition: opacity 0.3s ease;
}

.logo:hover {
    opacity: 0.8;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
    list-style: none;
}

.nav-link {
    font-size: 0.8125rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--gray-light);
    transition: color 0.3s ease;
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--gold);
    transition: width 0.3s var(--ease-out);
}

.nav-link:hover,
.nav-link.active {
    color: var(--white);
}

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

/* ========================================
   BUTTONS
   ======================================== */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: 1rem 2.5rem;
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    transition: all 0.4s var(--ease-out);
}

.btn-primary {
    background: var(--gold);
    color: var(--black-deep);
}

.btn-primary:hover {
    background: var(--gold-light);
    transform: translateY(-2px);
    box-shadow: 0 20px 40px rgba(197, 165, 114, 0.2);
}

.btn-outline {
    border: 1px solid var(--gold);
    color: var(--gold);
    background: transparent;
}

.btn-outline:hover {
    background: var(--gold);
    color: var(--black-deep);
}

.btn-ghost {
    color: var(--white);
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--gold);
}

.btn-ghost:hover {
    color: var(--gold);
}

.btn-ghost svg {
    width: 16px;
    height: 16px;
    transition: transform 0.3s ease;
}

.btn-ghost:hover svg {
    transform: translateX(4px);
}

/* ========================================
   SECTION HEADERS
   ======================================== */

.section-header {
    margin-bottom: var(--space-xl);
}

.section-label {
    display: inline-block;
    font-size: 0.6875rem;
    letter-spacing: 0.3em;
    text-transform: uppercase;
    color: var(--gold);
    margin-bottom: var(--space-md);
}

.section-title {
    margin-bottom: var(--space-md);
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--gray);
    max-width: 550px;
    line-height: 1.8;
}

.section-header.center {
    text-align: center;
}

.section-header.center .section-subtitle {
    margin: 0 auto;
}

/* ========================================
   DECORATIVE ELEMENTS
   ======================================== */

.divider {
    width: 1px;
    height: 80px;
    background: linear-gradient(to bottom, var(--gold), transparent);
    margin: 0 auto;
}

.divider-horizontal {
    height: 1px;
    background: linear-gradient(to right, transparent, rgba(197, 165, 114, 0.3), transparent);
}

.gold-line {
    width: 60px;
    height: 1px;
    background: var(--gold);
}

.border-gold {
    border: 1px solid rgba(197, 165, 114, 0.2);
}

.border-gold-hover {
    border: 1px solid rgba(197, 165, 114, 0.1);
    transition: border-color 0.3s ease;
}

.border-gold-hover:hover {
    border-color: var(--gold);
}

/* ========================================
   CARDS & SURFACES
   ======================================== */

.card {
    background: var(--charcoal);
    border: 1px solid rgba(197, 165, 114, 0.1);
    transition: all 0.4s var(--ease-out);
}

.card:hover {
    border-color: var(--gold);
    transform: translateY(-4px);
}

.surface-dark {
    background: var(--charcoal);
}

.surface-darker {
    background: var(--black-rich);
}

/* ========================================
   CREDENTIALS BAR
   ======================================== */

.credentials-bar {
    background: var(--charcoal);
    padding: var(--space-lg) 0;
    border-top: 1px solid rgba(197, 165, 114, 0.1);
    border-bottom: 1px solid rgba(197, 165, 114, 0.1);
}

.credentials-list {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--space-xl);
    flex-wrap: wrap;
}

.credential-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-xs);
    text-align: center;
}

.credential-name {
    font-family: var(--font-display);
    font-size: 1.125rem;
    font-style: italic;
    color: var(--white);
}

.credential-role {
    font-size: 0.6875rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--gray);
}

.credential-divider {
    width: 1px;
    height: 40px;
    background: rgba(197, 165, 114, 0.3);
}

/* ========================================
   FOOTER
   ======================================== */

.footer {
    background: var(--black-deep);
    padding: var(--space-xl) 0 var(--space-lg);
    border-top: 1px solid rgba(197, 165, 114, 0.1);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: var(--space-xl);
    margin-bottom: var(--space-xl);
}

.footer-brand p {
    color: var(--gray);
    font-size: 0.9375rem;
    margin-top: var(--space-md);
    max-width: 280px;
    line-height: 1.7;
}

.footer-title {
    font-size: 0.6875rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--gold);
    margin-bottom: var(--space-md);
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: var(--space-sm);
}

.footer-links a {
    color: var(--gray);
    font-size: 0.9375rem;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: var(--white);
}

.footer-policies {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-md) 0;
    margin-top: var(--space-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    flex-wrap: wrap;
}

.footer-policies a {
    font-size: 0.75rem;
    color: var(--gray);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    transition: color 0.3s ease;
}

.footer-policies a:hover {
    color: var(--gold);
}

.policy-sep {
    color: rgba(255, 255, 255, 0.2);
    font-size: 0.75rem;
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--space-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-copyright {
    font-size: 0.8125rem;
    color: var(--gray);
}

.footer-social {
    display: flex;
    gap: var(--space-md);
}

.footer-social a {
    color: var(--gray);
    transition: color 0.3s ease;
}

.footer-social a:hover {
    color: var(--gold);
}

.footer-social svg {
    width: 20px;
    height: 20px;
}

/* ========================================
   ANIMATIONS
   ======================================== */

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes fadeUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.95);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-40px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes shimmer {
    0% { background-position: -200% center; }
    100% { background-position: 200% center; }
}

.animate-fade-up {
    animation: fadeUp 0.8s var(--ease-out) forwards;
    opacity: 0;
}

.animate-fade-in {
    animation: fadeIn 0.6s var(--ease-out) forwards;
    opacity: 0;
}

/* Staggered delays */
.delay-1 { animation-delay: 0.1s; }
.delay-2 { animation-delay: 0.2s; }
.delay-3 { animation-delay: 0.3s; }
.delay-4 { animation-delay: 0.4s; }
.delay-5 { animation-delay: 0.5s; }
.delay-6 { animation-delay: 0.6s; }

/* ========================================
   RESPONSIVE
   ======================================== */

@media (max-width: 1200px) {
    .container {
        padding: 0 var(--space-md);
    }

    .grid-4 {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 992px) {
    .nav-menu {
        display: none;
    }

    .grid-3,
    .grid-4 {
        grid-template-columns: repeat(2, 1fr);
    }

    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: var(--space-lg);
    }

    section {
        padding: var(--space-xl) 0;
    }
}

@media (max-width: 768px) {
    .container {
        padding: 0 var(--space-sm);
    }

    .grid-2,
    .grid-3,
    .grid-4 {
        grid-template-columns: 1fr;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: var(--space-lg);
    }

    .credentials-list {
        gap: var(--space-lg);
    }

    .credential-divider {
        display: none;
    }

    section {
        padding: var(--space-lg) 0;
    }

    .footer-bottom {
        flex-direction: column;
        gap: var(--space-md);
        text-align: center;
    }
}

/* Dropdown Navigation */
.nav-dropdown {
    position: relative;
}

.nav-dropdown-menu {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    min-width: 220px;
    background: rgba(5, 5, 5, 0.98);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(197, 165, 114, 0.15);
    border-radius: 4px;
    padding: 12px 0;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    list-style: none;
    margin-top: 12px;
}

.nav-dropdown-menu::before {
    content: '';
    position: absolute;
    top: -12px;
    left: 0;
    right: 0;
    height: 12px;
}

.nav-dropdown:hover .nav-dropdown-menu {
    opacity: 1;
    visibility: visible;
}

.nav-dropdown-menu li {
    padding: 0;
}

.nav-dropdown-menu a {
    display: block;
    padding: 10px 20px;
    font-size: 0.75rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--gray-light);
    transition: all 0.2s ease;
    white-space: nowrap;
}

.nav-dropdown-menu a:hover {
    color: var(--gold);
    background: rgba(197, 165, 114, 0.08);
}