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

:root {
    /* Color Palette - Monochrome Theme */
    --pure-black: #000000;
    --dark-gray: #1a1a1a;
    --mid-gray: #4a4a4a;
    --light-gray: #cccccc;
    --pure-white: #ffffff;
    
    /* Typography */
    --font-heading: 'Montserrat', 'Helvetica Neue', 'Poppins', sans-serif;
    --font-body: 'Inter', 'Roboto', 'Helvetica Neue', sans-serif;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    --spacing-3xl: 6rem;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Container Widths */
    --container-max-width: 1280px;
    --container-padding: 1rem;
}

/* Dark mode base optimization */
@media (prefers-color-scheme: dark) {
    :root {
        --pure-black: #000000;
        --dark-gray: #0a0a0a;
    }
}

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

body {
    font-family: var(--font-body);
    background-color: var(--pure-black);
    color: var(--pure-white);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Typography Utility Classes */
.font-heading {
    font-family: var(--font-heading);
    font-weight: 700;
    letter-spacing: 0.05em;
}

.font-body {
    font-family: var(--font-body);
    font-weight: 400;
}

.uppercase-heavy {
    text-transform: uppercase;
    font-weight: 800;
    letter-spacing: 0.1em;
}

/* ====================================
   LAYOUT UTILITIES
   ==================================== */
.container {
    max-width: var(--container-max-width);
    margin-left: auto;
    margin-right: auto;
    padding-left: var(--container-padding);
    padding-right: var(--container-padding);
    width: 100%;
}

/* Grid System */
.grid {
    display: grid;
    gap: 1rem;
}

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

/* Responsive Breakpoints */
@media (min-width: 640px) {
    :root {
        --container-padding: 1.5rem;
    }
    
    .sm\:grid-cols-2 {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .sm\:h-\[600px\] {
        height: 600px;
    }
    
    .sm\:h-\[292px\] {
        height: 292px;
    }
    
    .sm\:text-6xl {
        font-size: 3.75rem;
        line-height: 1.2;
    }
}

@media (min-width: 768px) {
    .md\:grid-cols-3 {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .md\:grid-cols-4 {
        grid-template-columns: repeat(4, 1fr);
    }
}

@media (min-width: 1024px) {
    :root {
        --container-padding: 2rem;
    }
    
    .lg\:grid-cols-12 {
        grid-template-columns: repeat(12, 1fr);
    }
    
    .lg\:col-span-7 {
        grid-column: span 7;
    }
    
    .lg\:col-span-5 {
        grid-column: span 5;
    }
    
    .lg\:grid-cols-6 {
        grid-template-columns: repeat(6, 1fr);
    }
    
    .lg\:block {
        display: block;
    }
    
    .lg\:pb-24 {
        padding-bottom: 6rem;
    }
    
    .lg\:py-24 {
        padding-top: 6rem;
        padding-bottom: 6rem;
    }
}

/* ====================================
   SLIDER SECTION (Hero)
   ==================================== */
.slider_section {
    position: relative;
    min-height: 80vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, var(--pure-black) 0%, var(--dark-gray) 100%);
    overflow: hidden;
}

/* Gritty texture overlay */
.slider_section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.65' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.08'/%3E%3C/svg%3E");
    pointer-events: none;
    z-index: 1;
}

.slider_section .container {
    position: relative;
    z-index: 20;
}

.detail-box {
    max-width: 100%;
}

.slider_section .detail-box p {
    font-size: 1.125rem;
    color: var(--mid-gray);
    margin-bottom: 2rem;
    max-width: 32rem;
}

/* Button Styles */
.slider_section .detail-box a,
.btn-primary {
    display: inline-block;
    padding: 0.875rem 2rem;
    background-color: var(--pure-white);
    color: var(--pure-black);
    font-family: var(--font-heading);
    font-size: 1.125rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    border-radius: 0.5rem;
    transition: all var(--transition-normal);
    text-decoration: none;
    border: 2px solid transparent;
}

.slider_section .detail-box a:hover,
.btn-primary:hover {
    background-color: var(--mid-gray);
    color: var(--pure-white);
    transform: translateY(-2px);
    box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.3);
}

@media (max-width: 768px) {
    .slider_section {
        min-height: 60vh;
        text-align: center;
    }
    
    .slider_section .detail-box {
        text-align: center;
    }
    
    .slider_section .detail-box p {
        margin-left: auto;
        margin-right: auto;
    }
    
    .slider_section .detail-box a {
        padding: 0.75rem 1.5rem;
        font-size: 1rem;
    }
}

/* ====================================
   OFFER SECTION
   ==================================== */
.offer_section {
    background-color: var(--pure-white);
    color: var(--pure-black);
}

.offer-box-container {
    position: relative;
    overflow: hidden;
    cursor: pointer;
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.offer-box-container:hover {
    transform: scale(1.02);
    box-shadow: 0 20px 40px -10px rgba(0, 0, 0, 0.3);
}

.offer-box-container img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: grayscale(100%) contrast(1.1);
    transition: filter var(--transition-normal), transform var(--transition-slow);
}

.offer-box-container:hover img {
    filter: grayscale(80%) contrast(1.2);
    transform: scale(1.05);
}

.offer-box-container .detail-box {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 2rem;
    background: linear-gradient(to top, rgba(0,0,0,0.8), transparent);
    text-align: left;
}

.offer-box-container .detail-box a {
    color: var(--pure-white);
    text-decoration: none;
    font-size: 2rem;
    font-weight: 800;
    display: inline-block;
    transition: transform var(--transition-fast);
}

.offer-box-container .detail-box a:hover {
    transform: translateX(5px);
}

.lg\:col-span-7 .detail-box a {
    font-size: 2.5rem;
}

@media (max-width: 768px) {
    .offer-box-container .detail-box a {
        font-size: 1.5rem;
    }
    
    .lg\:col-span-7 .detail-box a {
        font-size: 1.75rem;
    }
    
    .offer-box-container .detail-box {
        padding: 1rem;
    }
}

/* ====================================
   BRAND HUB SECTION
   ==================================== */
.brand_hub {
    background-color: var(--pure-black);
    border-top: 1px solid var(--mid-gray);
    border-bottom: 1px solid var(--mid-gray);
}

.brand_hub h2 {
    font-size: 2.5rem;
    letter-spacing: 0.15em;
}

.brand_hub .brand-grid {
    display: grid;
    gap: 1.5rem;
}

.brand-item {
    display: block;
    padding: 1rem;
    border: 2px solid var(--pure-white);
    color: var(--pure-white);
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    text-align: center;
    text-decoration: none;
    transition: all var(--transition-normal);
    border-radius: 0.5rem;
    cursor: pointer;
}

.brand-item:hover {
    background-color: var(--pure-white);
    color: var(--pure-black);
    transform: translateY(-3px);
}

/* Counterpart for div elements */
.brand_hub .grid > div {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
    border: 2px solid var(--pure-white);
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    transition: all var(--transition-normal);
    border-radius: 0.5rem;
    cursor: pointer;
    background: transparent;
    color: var(--pure-white);
    min-height: 70px;
}

.brand_hub .grid > div:hover {
    background-color: var(--pure-white);
    color: var(--pure-black);
    transform: translateY(-3px);
}

@media (max-width: 768px) {
    .brand_hub h2 {
        font-size: 1.75rem;
    }
    
    .brand_hub .grid > div {
        font-size: 0.875rem;
        padding: 0.75rem;
    }
}

/* ====================================
   AD SECTION (Urban Motion)
   ==================================== */
.ad {
    background-color: var(--dark-gray);
    position: relative;
    overflow: hidden;
}

.ad .heading_container h2 {
    font-size: 2.5rem;
    letter-spacing: 0.15em;
}

.video-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1rem;
    width: 100%;
}

.video-container video {
    width: 100%;
    height: 100%;
    min-height: 200px;
    object-fit: cover;
    filter: grayscale(100%) contrast(1.2);
    border-radius: 0.5rem;
    transition: filter var(--transition-normal), transform var(--transition-normal);
    cursor: pointer;
}

.video-container video:hover {
    filter: grayscale(80%) contrast(1.1);
    transform: scale(1.02);
}

@media (min-width: 768px) {
    .video-container {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.5rem;
    }
    
    .video-container video {
        min-height: 250px;
    }
}

@media (min-width: 1024px) {
    .video-container {
        grid-template-columns: repeat(4, 1fr);
    }
    
    .video-container video {
        min-height: 300px;
    }
}

/* Fallback for videos */
.video-container video[poster] {
    object-fit: cover;
}


/* ====================================
   RESPONSIVE UTILITIES
   ==================================== */
/* Hide on desktop, show on mobile */
@media (min-width: 1024px) {
    .lg\:block {
        display: block !important;
    }
    
    .hidden\:lg\:block {
        display: none;
    }
}

/* Mobile optimizations */
@media (max-width: 640px) {
    .container {
        padding-left: 1rem;
        padding-right: 1rem;
    }
    
    .grid {
        gap: 1rem;
    }
    
    /* Adjust font sizes for mobile */
    .font-heading.text-4xl {
        font-size: 1.75rem;
    }
    
    .font-heading.text-6xl {
        font-size: 2.25rem;
    }
    
    .text-xl {
        font-size: 1rem;
    }
    
    /* Better touch targets on mobile */
    a, button, [role="button"] {
        min-height: 44px;
        display: inline-flex;
        align-items: center;
        justify-content: center;
    }
}

/* Tablet optimizations */
@media (min-width: 641px) and (max-width: 1024px) {
    .brand_hub .grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* ====================================
   ANIMATIONS & EFFECTS
   ==================================== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.slider_section .detail-box,
.offer-box-container,
.brand_hub .grid > div,
.video-container video {
    animation: fadeInUp 0.6s ease forwards;
}

.offer-box-container:nth-child(1) { animation-delay: 0.1s; }
.offer-box-container:nth-child(2) { animation-delay: 0.2s; }
.offer-box-container:nth-child(3) { animation-delay: 0.3s; }

/* Loading optimization */
img, video {
    content-visibility: auto;
}

/* ====================================
   HELPER CLASSES
   ==================================== */
.bg-pure-white { background-color: var(--pure-white); }
.bg-pure-black { background-color: var(--pure-black); }
.bg-dark-gray { background-color: var(--dark-gray); }
.bg-mid-gray { background-color: var(--mid-gray); }

.text-white { color: var(--pure-white); }
.text-black { color: var(--pure-black); }
.text-mid-gray { color: var(--mid-gray); }

.shadow-lg { box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05); }
.rounded-lg { border-radius: 0.5rem; }
.rounded { border-radius: 0.25rem; }

.overflow-hidden { overflow: hidden; }
.relative { position: relative; }
.absolute { position: absolute; }
.z-20 { z-index: 20; }

.mb-8 { margin-bottom: 2rem; }
.mb-12 { margin-bottom: 3rem; }
.mb-16 { margin-bottom: 4rem; }
.mt-16 { margin-top: 4rem; }
.py-12 { padding-top: 3rem; padding-bottom: 3rem; }
.py-16 { padding-top: 4rem; padding-bottom: 4rem; }
.pb-16 { padding-bottom: 4rem; }
.pt-0 { padding-top: 0; }

.text-center { text-align: center; }
.max-w-lg { max-width: 32rem; }
.max-w-2xl { max-width: 42rem; }
.mx-auto { margin-left: auto; margin-right: auto; }

/* Flex utilities */
.flex { display: flex; }
.items-center { align-items: center; }
.justify-center { justify-content: center; }

/* Performance optimization */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}