/* ========================================
   FURDOG LUXURY WATCH WEBSITE
   Inspired by Rolex, Patek Philippe, AP
   ======================================== */

/* ========================================
   CSS VARIABLES
   ======================================== */
:root {
    /* Color Palette - Luxury Minimalist */
    --color-black: #000000;
    --color-white: #ffffff;
    --color-cream: #f6f5f3;
    --color-gold: #c9b586;
    --color-dark-gold: #a89968;
    --color-gray-light: #e5e5e5;
    --color-gray-medium: #999999;
    --color-gray-dark: #666666;
    --color-text-primary: #1a1a1a;
    --color-text-secondary: #666666;

    /* Typography */
    --font-serif: 'Playfair Display', Georgia, serif;
    --font-sans: 'Montserrat', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

    /* Spacing Scale (8px base) */
    --space-xs: 8px;
    --space-sm: 16px;
    --space-md: 24px;
    --space-lg: 40px;
    --space-xl: 60px;
    --space-2xl: 80px;
    --space-3xl: 120px;

    /* Font Sizes */
    --font-xs: 12px;
    --font-sm: 14px;
    --font-md: 16px;
    --font-lg: 18px;
    --font-xl: 24px;
    --font-2xl: 32px;
    --font-3xl: 48px;
    --font-4xl: 64px;

    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-medium: 0.3s ease;
    --transition-slow: 0.5s ease;
}

/* ========================================
   GLOBAL RESET & BASE STYLES
   ======================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

body {
    font-family: var(--font-sans);
    font-size: var(--font-md);
    line-height: 1.6;
    color: var(--color-text-primary);
    background-color: var(--color-white);
    overflow-x: hidden;
}

/* ========================================
   TYPOGRAPHY
   ======================================== */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-serif);
    font-weight: 600;
    line-height: 1.2;
    letter-spacing: 0.02em;
}

h1 {
    font-size: var(--font-4xl);
}

h2 {
    font-size: var(--font-3xl);
}

h3 {
    font-size: var(--font-xl);
}

p {
    line-height: 1.8;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition-medium);
}

/* ========================================
   HEADER - Fixed Navigation
   ======================================== */
.main-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background-color: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    z-index: 1000;
    border-bottom: 1px solid var(--color-gray-light);
}

.header-content {
    max-width: 1400px;
    margin: 0 auto;
    padding: var(--space-md) var(--space-lg);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo-container {
    flex-shrink: 0;
}

.main-nav {
    display: flex;
    gap: var(--space-lg);
    align-items: center;
}

.main-nav a {
    font-size: var(--font-sm);
    font-weight: 400;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-text-primary);
    position: relative;
}

.main-nav a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1px;
    background-color: var(--color-gold);
    transition: width var(--transition-medium);
}

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

.nav-staff {
    padding: var(--space-xs) var(--space-md);
    background-color: var(--color-black);
    color: var(--color-white) !important;
    border-radius: 2px;
}

.nav-staff::after {
    display: none;
}

.nav-staff:hover {
    background-color: var(--color-gold);
    color: var(--color-black) !important;
}

/* ========================================
   HERO CAROUSEL
   ======================================== */
.hero-carousel {
    margin-top: 88px;
    position: relative;
    width: 100%;
    height: 85vh;
    min-height: 600px;
    overflow: hidden;
}

.carousel-slide {
    position: relative;
    width: 100%;
    height: 100%;
    display: none;
}

.carousel-slide.active {
    display: block;
}

.hero-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(
        to bottom,
        rgba(0, 0, 0, 0.2) 0%,
        rgba(0, 0, 0, 0.4) 100%
    );
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-text {
    text-align: center;
    color: var(--color-white);
    max-width: 800px;
    padding: var(--space-lg);
}

.hero-title {
    font-size: var(--font-4xl);
    font-weight: 600;
    margin-bottom: var(--space-md);
    letter-spacing: 0.03em;
}

.hero-subtitle {
    font-size: var(--font-lg);
    font-weight: 300;
    margin-bottom: var(--space-xl);
    letter-spacing: 0.05em;
}

.hero-cta {
    display: inline-block;
    padding: var(--space-md) var(--space-xl);
    background-color: var(--color-white);
    color: var(--color-black);
    font-size: var(--font-sm);
    font-weight: 500;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    border: 1px solid var(--color-white);
    transition: var(--transition-medium);
}

.hero-cta:hover {
    background-color: transparent;
    color: var(--color-white);
}

/* ========================================
   SECTION HEADERS
   ======================================== */
.section-header {
    text-align: center;
    max-width: 800px;
    margin: 0 auto var(--space-2xl);
}

.section-title {
    font-size: var(--font-3xl);
    font-weight: 600;
    margin-bottom: var(--space-md);
    color: var(--color-text-primary);
}

.section-intro {
    font-size: var(--font-lg);
    font-weight: 300;
    color: var(--color-text-secondary);
    line-height: 1.8;
}

/* ========================================
   COLLECTIONS SECTION
   ======================================== */
.collections-section {
    padding: var(--space-3xl) var(--space-lg);
    max-width: 1400px;
    margin: 0 auto;
}

.watches-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-xl);
}

.watch-item {
    background-color: var(--color-white);
    transition: transform var(--transition-medium);
}

.watch-item:hover {
    transform: translateY(-4px);
}

.watch-image-container {
    position: relative;
    width: 100%;
    aspect-ratio: 8/9;
    overflow: hidden;
    background-color: var(--color-cream);
    margin-bottom: var(--space-md);
}

.watch-image-container img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.watch-item:hover .watch-image-container img {
    transform: scale(1.05);
}

.watch-details {
    padding: 0 var(--space-xs);
}

.watch-name {
    font-size: var(--font-xl);
    font-weight: 600;
    margin-bottom: var(--space-xs);
    color: var(--color-text-primary);
}

.watch-brand {
    font-size: var(--font-sm);
    font-weight: 400;
    color: var(--color-text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--space-sm);
}

.watch-specs {
    font-size: var(--font-sm);
    color: var(--color-text-secondary);
    margin-bottom: var(--space-lg);
    line-height: 1.6;
}

.watch-price-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--space-md);
    border-top: 1px solid var(--color-gray-light);
}

.watch-price {
    font-size: var(--font-xl);
    font-weight: 600;
    color: var(--color-text-primary);
}

.inquire-link {
    font-size: var(--font-xs);
    font-weight: 500;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-gold);
    position: relative;
    padding-bottom: 2px;
}

.inquire-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 1px;
    background-color: var(--color-gold);
    transition: width var(--transition-medium);
}

.inquire-link:hover {
    color: var(--color-dark-gold);
}

.inquire-link:hover::after {
    width: 0;
}

/* ========================================
   HERITAGE SECTION
   ======================================== */
.heritage-section {
    background-color: var(--color-cream);
    padding: var(--space-3xl) var(--space-lg);
}

.heritage-content {
    max-width: 1400px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-2xl);
    align-items: center;
}

.heritage-text {
    padding-right: var(--space-xl);
}

.heritage-title {
    font-size: var(--font-3xl);
    font-weight: 600;
    margin-bottom: var(--space-lg);
    color: var(--color-text-primary);
}

.heritage-description {
    font-size: var(--font-lg);
    font-weight: 300;
    color: var(--color-text-secondary);
    line-height: 1.9;
    margin-bottom: var(--space-lg);
}

.heritage-image {
    width: 100%;
    height: 600px;
    overflow: hidden;
}

.heritage-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* ========================================
   SERVICES SECTION
   ======================================== */
.services-section {
    padding: var(--space-3xl) var(--space-lg);
    max-width: 1400px;
    margin: 0 auto;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-xl);
}

.service-card {
    text-align: center;
    padding: var(--space-xl) var(--space-md);
}

.service-icon {
    margin-bottom: var(--space-lg);
    color: var(--color-gold);
}

.service-title {
    font-size: var(--font-lg);
    font-weight: 600;
    margin-bottom: var(--space-md);
    color: var(--color-text-primary);
}

.service-description {
    font-size: var(--font-sm);
    font-weight: 300;
    color: var(--color-text-secondary);
    line-height: 1.7;
}

/* ========================================
   SELL SECTION
   ======================================== */
.sell-section {
    background-color: var(--color-black);
    color: var(--color-white);
    padding: var(--space-3xl) var(--space-lg);
}

.sell-content {
    max-width: 1000px;
    margin: 0 auto;
    text-align: center;
}

.sell-title {
    font-size: var(--font-3xl);
    font-weight: 600;
    margin-bottom: var(--space-md);
    color: var(--color-white);
}

.sell-intro {
    font-size: var(--font-lg);
    font-weight: 300;
    margin-bottom: var(--space-2xl);
    color: var(--color-gray-light);
}

.sell-steps {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-xl);
    margin-bottom: var(--space-2xl);
}

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

.step-number {
    display: block;
    font-family: var(--font-serif);
    font-size: var(--font-2xl);
    font-weight: 300;
    color: var(--color-gold);
    margin-bottom: var(--space-md);
}

.sell-step h3 {
    font-size: var(--font-lg);
    font-weight: 600;
    margin-bottom: var(--space-sm);
    color: var(--color-white);
}

.sell-step p {
    font-size: var(--font-sm);
    font-weight: 300;
    color: var(--color-gray-light);
}

.sell-cta {
    display: inline-block;
    padding: var(--space-md) var(--space-xl);
    background-color: var(--color-gold);
    color: var(--color-black);
    font-size: var(--font-sm);
    font-weight: 500;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    border: 1px solid var(--color-gold);
    transition: var(--transition-medium);
}

.sell-cta:hover {
    background-color: transparent;
    color: var(--color-gold);
}

/* ========================================
   CONTACT SECTION
   ======================================== */
.contact-section {
    padding: var(--space-3xl) var(--space-lg);
    background-color: var(--color-cream);
}

.contact-container {
    max-width: 1000px;
    margin: 0 auto;
}

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

.contact-title {
    font-size: var(--font-3xl);
    font-weight: 600;
    margin-bottom: var(--space-md);
    color: var(--color-text-primary);
}

.contact-intro {
    font-size: var(--font-lg);
    font-weight: 300;
    color: var(--color-text-secondary);
    margin-bottom: var(--space-2xl);
}

.contact-details {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-xl);
    margin-top: var(--space-xl);
}

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

.contact-item h3 {
    font-size: var(--font-sm);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--space-md);
    color: var(--color-text-secondary);
}

.contact-item a {
    font-size: var(--font-md);
    color: var(--color-text-primary);
    font-weight: 400;
}

.contact-item a:hover {
    color: var(--color-gold);
}

.contact-item p {
    font-size: var(--font-md);
    color: var(--color-text-primary);
    line-height: 1.8;
}

/* ========================================
   RATING GUIDE SECTION
   ======================================== */
.rating-guide-section {
    padding: var(--space-3xl) var(--space-lg);
    background-color: var(--color-cream);
}

.rating-content-wrapper {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: var(--space-2xl);
    align-items: center;
    margin-bottom: var(--space-lg);
}

.rating-chart-container {
    display: flex;
    justify-content: center;
    align-items: center;
    background-color: var(--color-white);
    padding: var(--space-lg);
    border-radius: 2px;
}

.rating-definitions-grid {
    display: grid;
    gap: var(--space-md);
}

.rating-def-item {
    display: flex;
    align-items: center;
    padding: var(--space-md);
    background-color: var(--color-white);
    border-left: 3px solid var(--color-gold);
    border-radius: 2px;
}

.rating-def-code {
    font-family: var(--font-sans);
    font-size: var(--font-sm);
    font-weight: 700;
    color: var(--color-text-primary);
    min-width: 90px;
}

.rating-def-desc {
    font-size: var(--font-sm);
    font-weight: 400;
    color: var(--color-text-secondary);
}

.rating-note {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--space-md);
    background-color: var(--color-white);
    border-left: 3px solid var(--color-gold);
    border-radius: 2px;
}

.rating-note p {
    font-size: var(--font-sm);
    color: var(--color-text-secondary);
    margin: 0;
    line-height: 1.6;
}

.rating-note strong {
    color: var(--color-gold);
}

/* ========================================
   FOOTER
   ======================================== */
.main-footer {
    background-color: var(--color-white);
    padding: var(--space-xl) var(--space-lg);
    border-top: 1px solid var(--color-gray-light);
}

.footer-content {
    max-width: 1400px;
    margin: 0 auto;
    text-align: center;
}

.footer-logo {
    margin-bottom: var(--space-md);
    display: flex;
    justify-content: center;
}

.footer-text {
    font-size: var(--font-sm);
    color: var(--color-text-secondary);
    font-weight: 300;
}

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

/* Tablet */
@media (max-width: 1024px) {
    :root {
        --font-4xl: 48px;
        --font-3xl: 36px;
        --space-3xl: 80px;
    }

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

    .heritage-content {
        grid-template-columns: 1fr;
    }

    .heritage-image {
        height: 400px;
    }

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

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

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

/* Mobile */
@media (max-width: 768px) {
    :root {
        --font-4xl: 36px;
        --font-3xl: 28px;
        --font-xl: 20px;
        --space-lg: 20px;
        --space-xl: 40px;
        --space-2xl: 60px;
        --space-3xl: 60px;
    }

    .header-content {
        padding: var(--space-sm) var(--space-md);
    }

    .main-nav {
        gap: var(--space-md);
    }

    .main-nav a {
        font-size: 11px;
    }

    .hero-carousel {
        height: 60vh;
        min-height: 400px;
    }

    .hero-title {
        font-size: var(--font-3xl);
    }

    .hero-subtitle {
        font-size: var(--font-md);
    }

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

    .services-grid {
        grid-template-columns: 1fr;
    }

    .rating-content-wrapper {
        grid-template-columns: 1fr;
    }

    .rating-chart-container svg {
        width: 250px;
        height: 167px;
    }
}