/**
 * Haider Dhillon Clothing — Editorial Luxury Stylesheet
 * Palette:
 * - Warm Ivory: #F7F3EE
 * - Charcoal Black: #171717
 * - Champagne Gold: #C2A477
 * - Muted Beige: #D9CCBC
 * - Pure White: #FFFFFF
 */

/* ==========================================================================
   1. CSS Reset & Custom Properties
   ========================================================================== */
:root {
    --color-ivory: #F7F3EE;
    --color-ivory-light: #FDFAF6;
    --color-charcoal: #171717;
    --color-charcoal-light: #262626;
    --color-gold: #C2A477;
    --color-gold-hover: #AB8E61;
    --color-gold-light: #E7DAC7;
    --color-beige: #D9CCBC;
    --color-beige-light: #EBE4DA;
    --color-white: #FFFFFF;
    
    --font-serif: 'Playfair Display', 'Cormorant Garamond', Georgia, serif;
    --font-heading: 'Cormorant Garamond', 'Playfair Display', Georgia, serif;
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    
    --transition-smooth: all 0.35s cubic-bezier(0.16, 1, 0.3, 1);
    --shadow-subtle: 0 4px 20px -2px rgba(23, 23, 23, 0.05);
    --shadow-luxury: 0 20px 40px -10px rgba(23, 23, 23, 0.12);
}

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    background-color: var(--color-ivory);
    color: var(--color-charcoal);
    font-family: var(--font-sans);
    line-height: 1.7;
    overflow-x: hidden;
}

img, picture, video, canvas, svg {
    display: block;
    max-width: 100%;
    height: auto;
}

input, button, textarea, select {
    font: inherit;
}

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

/* ==========================================================================
   2. Typography & Editorial Headings
   ========================================================================== */
h1, h2, h3, h4, h5, h6, .font-serif {
    font-family: var(--font-serif);
    font-weight: 500;
    line-height: 1.2;
    letter-spacing: -0.01em;
    color: var(--color-charcoal);
}

.font-editorial {
    font-family: var(--font-heading);
}

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

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

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

.bg-charcoal {
    background-color: var(--color-charcoal);
}

.bg-warm-ivory {
    background-color: var(--color-ivory);
}

.bg-champagne {
    background-color: var(--color-gold);
}

.editorial-eyebrow {
    font-family: var(--font-sans);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.28em;
    color: var(--color-gold);
    display: block;
    margin-bottom: 0.75rem;
}

.editorial-divider {
    width: 60px;
    height: 1px;
    background: var(--color-gold);
    margin: 1.25rem 0;
}

.editorial-divider-center {
    margin-left: auto;
    margin-right: auto;
}

/* ==========================================================================
   3. Layout Utilities
   ========================================================================== */
.site-container {
    width: 100%;
    max-width: 1360px;
    margin-left: auto;
    margin-right: auto;
    padding-left: 1.5rem;
    padding-right: 1.5rem;
}

@media (min-width: 1024px) {
    .site-container {
        padding-left: 2.5rem;
        padding-right: 2.5rem;
    }
}

.site-container-narrow {
    max-width: 980px;
}

.section-spacing {
    padding-top: 5rem;
    padding-bottom: 5rem;
}

@media (min-width: 1024px) {
    .section-spacing {
        padding-top: 7.5rem;
        padding-bottom: 7.5rem;
    }
}

/* ==========================================================================
   4. Buttons & Interactive Links
   ========================================================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.85rem 1.85rem;
    font-size: 0.78rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    transition: var(--transition-smooth);
    cursor: pointer;
    text-align: center;
    position: relative;
    white-space: nowrap;
}

.btn-primary {
    background-color: var(--color-charcoal);
    color: var(--color-ivory);
    border: 1px solid var(--color-charcoal);
}

.btn-primary:hover {
    background-color: var(--color-gold);
    border-color: var(--color-gold);
    color: var(--color-white);
}

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

.btn-gold:hover {
    background-color: #A38557;
    border-color: #A38557;
    color: var(--color-white);
}

.btn-outline {
    background-color: transparent;
    color: var(--color-charcoal);
    border: 1px solid rgba(23, 23, 23, 0.4);
}

.btn-outline:hover {
    border-color: var(--color-charcoal);
    background-color: var(--color-charcoal);
    color: var(--color-white);
}

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

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

.btn-outline-white {
    background-color: transparent;
    color: var(--color-white);
    border: 1px solid rgba(255, 255, 255, 0.6);
}

.btn-outline-white:hover {
    background-color: var(--color-white);
    color: var(--color-charcoal);
    border-color: var(--color-white);
}

/* Navigation Link Underline Effect */
.nav-link {
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 1.5px;
    background-color: var(--color-gold);
    transition: width 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

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

.active-link {
    color: var(--color-charcoal) !important;
}

/* Header sticky scrolled class */
.site-header.scrolled {
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.05);
    background-color: rgba(247, 243, 238, 0.98);
}

/* ==========================================================================
   5. Hero Banner & Editorial Slider
   ========================================================================== */
.hero-wrapper {
    position: relative;
    min-height: 82vh;
    display: flex;
    align-items: center;
    overflow: hidden;
    background-color: var(--color-charcoal);
}

@media (min-width: 1024px) {
    .hero-wrapper {
        min-height: 90vh;
    }
}

.hero-bg-image {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center 25%;
    opacity: 0.65;
    transform: scale(1.02);
    transition: transform 8s ease-out;
}

.hero-wrapper:hover .hero-bg-image {
    transform: scale(1.06);
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(23, 23, 23, 0.5) 0%, rgba(23, 23, 23, 0.35) 50%, rgba(23, 23, 23, 0.8) 100%);
}

.hero-content {
    position: relative;
    z-index: 10;
    color: var(--color-white);
    max-width: 780px;
}

/* Sub-page Page Header Banner */
.page-banner {
    background-color: var(--color-charcoal);
    color: var(--color-white);
    position: relative;
    padding: 6rem 1.5rem 5rem;
    overflow: hidden;
    text-align: center;
}

.page-banner-bg {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.35;
    filter: brightness(0.7);
}

.page-banner-content {
    position: relative;
    z-index: 2;
    max-width: 750px;
    margin: 0 auto;
}

/* ==========================================================================
   6. Collection & Product Cards
   ========================================================================== */
.collection-card {
    position: relative;
    overflow: hidden;
    background-color: var(--color-white);
    transition: var(--transition-smooth);
}

.collection-img-container {
    position: relative;
    overflow: hidden;
    aspect-ratio: 3 / 4;
    background-color: #EBE4DA;
}

.collection-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

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

.collection-meta {
    padding: 1.5rem;
    background: var(--color-white);
    border: 1px solid var(--color-beige-light);
    border-top: none;
}

/* ==========================================================================
   7. Lookbook Masonry & Lightbox
   ========================================================================== */
.lookbook-grid {
    column-count: 1;
    column-gap: 1.5rem;
}

@media (min-width: 640px) {
    .lookbook-grid {
        column-count: 2;
    }
}

@media (min-width: 1024px) {
    .lookbook-grid {
        column-count: 3;
        column-gap: 2rem;
    }
}

.lookbook-item {
    break-inside: avoid;
    margin-bottom: 1.5rem;
    position: relative;
    cursor: pointer;
    overflow: hidden;
    background-color: #EBE4DA;
    border-radius: 2px;
}

@media (min-width: 1024px) {
    .lookbook-item {
        margin-bottom: 2rem;
    }
}

.lookbook-item img {
    width: 100%;
    display: block;
    transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.lookbook-item:hover img {
    transform: scale(1.04);
}

.lookbook-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(23,23,23,0) 40%, rgba(23,23,23,0.85) 100%);
    opacity: 0;
    transition: opacity 0.3s ease;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 1.5rem;
    color: var(--color-white);
}

.lookbook-item:hover .lookbook-overlay {
    opacity: 1;
}

/* Lightbox Modal */
.lightbox-modal {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 100;
    background: rgba(23, 23, 23, 0.94);
    backdrop-filter: blur(8px);
    align-items: center;
    justify-content: center;
    padding: 1.5rem;
}

.lightbox-modal.active {
    display: flex;
}

.lightbox-content {
    max-width: 90vw;
    max-height: 88vh;
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.lightbox-image {
    max-width: 100%;
    max-height: 80vh;
    object-fit: contain;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    border: 1px solid rgba(194, 164, 119, 0.3);
}

.lightbox-caption {
    margin-top: 1rem;
    color: var(--color-ivory);
    text-align: center;
    font-family: var(--font-serif);
    font-size: 1.25rem;
}

.lightbox-close {
    position: absolute;
    top: 1.5rem;
    right: 1.5rem;
    color: var(--color-white);
    background: none;
    border: none;
    cursor: pointer;
    font-size: 2rem;
    padding: 0.5rem;
    line-height: 1;
    z-index: 102;
    transition: color 0.2s;
}

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

/* ==========================================================================
   8. Couture Enquiry & Forms
   ========================================================================== */
.form-input, .form-select, .form-textarea {
    width: 100%;
    background-color: var(--color-white);
    border: 1px solid var(--color-beige);
    padding: 0.9rem 1.2rem;
    font-size: 0.95rem;
    color: var(--color-charcoal);
    border-radius: 0;
    transition: border-color 0.2s, box-shadow 0.2s;
    outline: none;
}

.form-input:focus, .form-select:focus, .form-textarea:focus {
    border-color: var(--color-gold);
    box-shadow: 0 0 0 1px var(--color-gold);
}

.form-label {
    display: block;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.16em;
    margin-bottom: 0.4rem;
    color: var(--color-charcoal);
}

/* ==========================================================================
   9. Floating WhatsApp Button (Strictly Left Side)
   ========================================================================== */
.floating-whatsapp-container {
    position: fixed;
    bottom: 2rem;
    left: 2rem;
    z-index: 45;
}

@media (max-width: 640px) {
    .floating-whatsapp-container {
        bottom: 1.25rem;
        left: 1.25rem;
    }
}

.floating-whatsapp-btn {
    animation: whatsappPulse 3s infinite;
}

@keyframes whatsappPulse {
    0% {
        box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.5);
    }
    70% {
        box-shadow: 0 0 0 15px rgba(37, 211, 102, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(37, 211, 102, 0);
    }
}

/* ==========================================================================
   10. Editorial Journal Styles
   ========================================================================== */
.article-card {
    background-color: var(--color-white);
    border: 1px solid var(--color-beige-light);
    transition: var(--transition-smooth);
}

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

.article-thumbnail-wrapper {
    aspect-ratio: 16 / 10;
    overflow: hidden;
    background-color: #EBE4DA;
}

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

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

/* ==========================================================================
   11. Map Container & Embed
   ========================================================================== */
.map-responsive-container {
    position: relative;
    width: 100%;
    padding-bottom: 56.25%; /* 16:9 aspect */
    height: 0;
    overflow: hidden;
    background: #EBE4DA;
    border: 1px solid var(--color-beige);
}

.map-responsive-container iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: 0;
}

/* ==========================================================================
   12. Utilities & Helper Classes
   ========================================================================== */
.border-gold {
    border-color: var(--color-gold);
}

.border-beige-light {
    border-color: var(--color-beige-light);
}

.aspect-3-4 {
    aspect-ratio: 3 / 4;
}

.aspect-4-5 {
    aspect-ratio: 4 / 5;
}

.aspect-16-9 {
    aspect-ratio: 16 / 9;
}

/* Filter Tab Buttons */
.filter-btn {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.18em;
    padding: 0.5rem 1.25rem;
    border-radius: 9999px;
    border: 1px solid var(--color-beige);
    background: transparent;
    color: var(--color-charcoal);
    cursor: pointer;
    transition: var(--transition-smooth);
}

.filter-btn:hover,
.filter-btn.active {
    background: var(--color-charcoal);
    color: var(--color-white);
    border-color: var(--color-charcoal);
}

/* Subtle luxury grain/texture */
.luxury-texture {
    background-color: #F7F3EE;
    background-image: radial-gradient(rgba(194, 164, 119, 0.08) 1px, transparent 0);
    background-size: 24px 24px;
}