/* modern-mens-fashion-050212/frontend/public/css/style.css */

/* =========================================
   1. Fonts & Variables
   ========================================= */
@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@400;500;700&family=Noto+Sans+SC:wght@400;500;700&display=swap');

:root {
    /* Color Palette */
    --color-charcoal: #1A1A1A;
    --color-grey: #3A3A3A;
    --color-offwhite: #F5F5F5;
    --color-white: #FFFFFF;
    
    /* Auxiliary Colors */
    --color-navy: #0A2463;
    --color-clay: #B76E79;
    --color-olive: #6B8E23;

    /* Typography */
    --font-main: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    --font-eng: 'Montserrat', sans-serif;

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 8rem;

    /* Transitions */
    --transition-base: all 0.3s ease;
}

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

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

body {
    font-family: var(--font-main);
    background-color: var(--color-offwhite);
    color: var(--color-charcoal);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

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

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

ul {
    list-style: none;
}

/* =========================================
   3. Typography
   ========================================= */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-main);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--spacing-sm);
}

h1 { font-size: 36px; }
h2 { font-size: 28px; }
h3 { font-size: 22px; }

p {
    margin-bottom: var(--spacing-sm);
    color: var(--color-grey);
}

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

.text-small {
    font-size: 14px;
    color: var(--color-grey);
}

/* =========================================
   4. Layout Components
   ========================================= */
.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-sm);
}

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

/* Header & Navigation */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background-color: rgba(245, 245, 245, 0.95);
    backdrop-filter: blur(5px);
    border-bottom: 1px solid rgba(0,0,0,0.05);
    transition: var(--transition-base);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.logo {
    font-family: var(--font-eng);
    font-weight: 700;
    font-size: 20px;
    letter-spacing: 2px;
    text-transform: uppercase;
}

.nav-links {
    display: flex;
    gap: var(--spacing-md);
}

.nav-links a {
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 1px;
    position: relative;
}

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

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

/* Mobile Menu (Hidden by default on desktop) */
.mobile-menu-btn {
    display: none;
    cursor: pointer;
    font-size: 24px;
}

/* Footer */
footer {
    padding: var(--spacing-md) 0;
    text-align: center;
    background-color: var(--color-charcoal);
    color: var(--color-offwhite);
    margin-top: auto;
}

.footer-content p {
    font-size: 12px;
    letter-spacing: 2px;
    margin: 0;
    opacity: 0.7;
    color: var(--color-offwhite);
}

/* =========================================
   5. Page Specific Styles
   ========================================= */

/* Hero Section */
.hero {
    position: relative;
    height: 100vh;
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    margin-top: 0; /* Override section padding */
    padding: 0;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: -1;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.3); /* Darken for text readability */
    z-index: 0;
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    color: var(--color-white);
    max-width: 800px;
    padding: var(--spacing-md);
}

.hero-title {
    font-size: 3rem;
    margin-bottom: var(--spacing-sm);
    letter-spacing: 2px;
    font-weight: 300;
}

.hero-subtitle {
    font-size: 1.2rem;
    font-weight: 300;
    letter-spacing: 1px;
    margin-bottom: var(--spacing-lg);
    color: rgba(255,255,255,0.9);
}

.scroll-indicator {
    position: absolute;
    bottom: var(--spacing-md);
    left: 50%;
    transform: translateX(-50%);
    animation: bounce 2s infinite;
    color: var(--color-white);
    font-size: 24px;
    cursor: pointer;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateY(0) translateX(-50%); }
    40% { transform: translateY(-10px) translateX(-50%); }
    60% { transform: translateY(-5px) translateX(-50%); }
}

/* Section Headers */
.section-header {
    text-align: center;
    margin-bottom: var(--spacing-lg);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.section-title {
    position: relative;
    display: inline-block;
    padding-bottom: var(--spacing-xs);
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 40px;
    height: 2px;
    background: var(--color-charcoal);
}

/* Grid Layouts */
.grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
}

.grid-2 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
}

.grid-4 {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-md);
}

/* Cards & Images */
.card {
    background: var(--color-white);
    overflow: hidden;
    transition: var(--transition-base);
}

.card-img-wrapper {
    overflow: hidden;
    position: relative;
    aspect-ratio: 3/4;
}

.card-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

.card:hover .card-img {
    transform: scale(1.05);
}

.card-content {
    padding: var(--spacing-sm) 0;
}

.card-title {
    font-size: 18px;
    margin-bottom: var(--spacing-xs);
}

.card-desc {
    font-size: 14px;
    color: var(--color-grey);
    line-height: 1.5;
}

/* Core Concepts */
.concept-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
    text-align: center;
    margin-top: var(--spacing-lg);
}

.concept-item {
    padding: var(--spacing-md);
    border: 1px solid transparent;
    transition: var(--transition-base);
}

.concept-item:hover {
    border-color: rgba(0,0,0,0.1);
    background: var(--color-white);
}

.concept-icon {
    font-size: 2rem;
    margin-bottom: var(--spacing-sm);
    color: var(--color-grey);
}

/* Horizontal Scroll (Editor's Pick) */
.scroll-container {
    display: flex;
    overflow-x: auto;
    gap: var(--spacing-md);
    padding-bottom: var(--spacing-md);
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none; /* Firefox */
}

.scroll-container::-webkit-scrollbar {
    display: none; /* Chrome/Safari */
}

.scroll-item {
    min-width: 300px;
    scroll-snap-align: start;
    background: var(--color-white);
}

/* Piece Detail */
.piece-detail {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    align-items: center;
    margin-bottom: var(--spacing-xl);
}

.piece-info {
    padding: var(--spacing-md);
}

.piece-specs ul {
    margin-top: var(--spacing-md);
}

.piece-specs li {
    margin-bottom: var(--spacing-xs);
    font-size: 14px;
    display: flex;
    align-items: baseline;
}

.piece-specs strong {
    min-width: 60px;
    margin-right: var(--spacing-sm);
    color: var(--color-charcoal);
}

/* Style Guide */
.guide-section {
    margin-bottom: var(--spacing-xl);
}

.color-palette {
    display: flex;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-sm);
}

.color-swatch {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    border: 1px solid rgba(0,0,0,0.1);
}

/* Utility Classes */
.mt-2 { margin-top: var(--spacing-md); }
.mt-4 { margin-top: var(--spacing-lg); }
.text-center { text-align: center; }
.bg-grey { background-color: #F0F0F0; }
.metal-accent {
    background: linear-gradient(135deg, #E0E0E0 0%, #FFFFFF 50%, #C0C0C0 100%);
    -webkit-background-clip: text;
    background-clip: text;
    display: inline-block;
}

/* =========================================
   6. Responsive Design
   ========================================= */
@media (max-width: 1024px) {
    .grid-4 { grid-template-columns: repeat(2, 1fr); }
    .grid-3 { grid-template-columns: repeat(2, 1fr); }
    .piece-detail { grid-template-columns: 1fr; }
    .piece-detail:nth-child(even) .piece-img-wrapper { order: -1; }
}

@media (max-width: 768px) {
    .hero-title { font-size: 2rem; }
    
    .mobile-menu-btn { display: block; }
    .nav-links {
        display: none;
        position: absolute;
        top: 70px;
        left: 0;
        width: 100%;
        background-color: var(--color-offwhite);
        flex-direction: column;
        padding: var(--spacing-md);
        box-shadow: 0 10px 20px rgba(0,0,0,0.05);
        text-align: center;
    }
    
    .nav-links.active { display: flex; }
    
    .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
    
    .piece-detail { gap: var(--spacing-md); }
    
    section { padding: var(--spacing-md) 0; }
}