/* ==========================================================================
   CSS VARIABLES & DESIGN TOKENS
   ========================================================================== */
:root {
    /* Color Palette */
    --clr-bg: #F8F7F3;
    --clr-text-primary: #111111;
    --clr-text-secondary: #666666;
    --clr-accent-gold: #C6A86B;
    --clr-bg-beige: #ECE7DE;
    --clr-white: #FFFFFF;
    --clr-border: #E5E5E5;
    --clr-overlay: rgba(17, 17, 17, 0.25);
    
    /* Typography Scales */
    --ff-heading: 'Playfair Display', Georgia, serif;
    --ff-body: 'Inter', system-ui, -apple-system, sans-serif;
    
    /* Spacing (8px System) */
    --space-xs: 0.5rem;   /* 8px */
    --space-sm: 1rem;     /* 16px */
    --space-md: 2rem;     /* 32px */
    --space-lg: 4rem;     /* 64px */
    --space-xl: 8rem;     /* 128px */
    
    /* Structural Constants */
    --max-width: 1720px;
    --header-height: 90px;
    --transition-smooth: all 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

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

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

body {
    background-color: var(--clr-bg);
    color: var(--clr-text-primary);
    font-family: var(--ff-body);
    font-weight: 300;
    line-height: 1.65;
    overflow-x: hidden;
}

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

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

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

/* Base structural layout container */
main {
    position: relative;
}

/* ==========================================================================
   REUSABLE UI COMPONENTS
   ========================================================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 1.1rem 2.5rem;
    font-size: 0.8rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
}

.btn--primary {
    background-color: var(--clr-text-primary);
    color: var(--clr-white);
}

.btn--primary::after {
    content: '';
    position: absolute;
    top: 0; left: -100%; width: 100%; height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.15), transparent);
    transition: 0.6s;
}

.btn--primary:hover::after {
    left: 100%;
}

.btn--primary:hover {
    background-color: var(--clr-accent-gold);
}

.btn--secondary {
    border: 1px solid var(--clr-text-primary);
    color: var(--clr-text-primary);
}

.btn--secondary:hover {
    background-color: var(--clr-text-primary);
    color: var(--clr-white);
}

/* Premium Typography Section Headers */
.section-header {
    text-align: center;
    margin-bottom: var(--space-lg);
}

.section-header__sub {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.3em;
    color: var(--clr-accent-gold);
    display: block;
    margin-bottom: var(--space-xs);
}

.section-header__title {
    font-family: var(--ff-heading);
    font-size: 2.5rem;
    font-weight: 400;
    letter-spacing: -0.02em;
}

.section-header__divider {
    width: 40px;
    height: 1px;
    background-color: var(--clr-accent-gold);
    margin: var(--space-sm) auto 0;
}

/* Hide helper attributes for clean response engineering code */
@media (max-width: 1024px) {
    .data-desktop { display: none !important; }
}

/* ==========================================================================
   HEADER / NAVIGATION BLOCK
   ========================================================================== */
.header {
    position: absolute;
    top: 0; left: 0; width: 100%;
    height: var(--header-height);
    z-index: 1000;
    border-bottom: 1px solid rgba(229, 229, 229, 0.15);
    transition: var(--transition-smooth);
}

.header__container {
    max-width: var(--max-width);
    height: 100%;
    margin: 0 auto;
    padding: 0 var(--space-md);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.header__nav-list {
    display: flex;
    list-style: none;
    gap: var(--space-md);
}

.header__nav-link {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    position: relative;
    padding-bottom: 4px;
}

.header__nav-link::after {
    content: '';
    position: absolute;
    bottom: 0; left: 0; width: 0; height: 1px;
    background-color: var(--clr-accent-gold);
    transition: var(--transition-smooth);
}

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

.header__logo {
    font-family: var(--ff-heading);
    font-size: 2rem;
    letter-spacing: 0.25em;
    font-weight: 400;
    margin-left: 2rem; /* Balance layout offset offset */
}

.header__meta {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.header__meta-link {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.15em;
}

.header__icon-btn {
    position: relative;
    transition: var(--transition-smooth);
}

.header__icon-btn:hover {
    color: var(--clr-accent-gold);
}

.header__bag-count {
    position: absolute;
    top: -6px; right: -8px;
    font-size: 0.6rem;
    background-color: var(--clr-text-primary);
    color: var(--clr-white);
    width: 14px; height: 14px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.header__menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    width: 20px;
}

.header__menu-toggle span {
    width: 100%;
    height: 1px;
    background-color: var(--clr-text-primary);
}

/* ==========================================================================
   HERO SECTION
   ========================================================================== */
.hero {
    height: 100vh;
    min-height: 800px;
    background-image: url('https://images.unsplash.com/photo-1515886657613-9f3515b0c78f?q=80&w=2000&auto=format&fit=crop');
    background-size: cover;
    background-position: center 20%;
    display: flex;
    align-items: center;
    position: relative;
    padding: 0 var(--space-md);
    color: var(--clr-white);
}

.hero__bg-overlay {
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    background: linear-gradient(180deg, rgba(17,17,17,0.4) 0%, rgba(17,17,17,0.1) 50%, rgba(17,17,17,0.5) 100%);
    z-index: 1;
}

.hero__container {
    max-width: var(--max-width);
    width: 100%;
    margin: 0 auto;
    position: relative;
    z-index: 2;
    padding-top: var(--header-height);
    animation: fadeUp 1.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.hero__subtitle {
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.4em;
    color: var(--clr-accent-gold);
    display: block;
    margin-bottom: var(--space-sm);
}

.hero__title {
    font-family: var(--ff-heading);
    font-size: clamp(3rem, 6vw, 6.5rem);
    line-height: 1.05;
    font-weight: 400;
    margin-bottom: var(--space-md);
    letter-spacing: -0.02em;
}

.hero__title--italic {
    font-style: italic;
    font-family: var(--ff-heading);
}

.hero__tagline {
    max-width: 520px;
    font-size: 1.05rem;
    font-weight: 300;
    margin-bottom: var(--space-md);
    opacity: 0.85;
    line-height: 1.8;
}

.hero__actions {
    display: flex;
    gap: var(--space-sm);
}

.hero__actions .btn--secondary {
    border-color: var(--clr-white);
    color: var(--clr-white);
}

.hero__actions .btn--secondary:hover {
    background-color: var(--clr-white);
    color: var(--clr-text-primary);
}

.hero__badge {
    position: absolute;
    bottom: var(--space-md);
    right: var(--space-md);
    z-index: 2;
    border: 1px solid rgba(255,255,255,0.2);
    padding: var(--space-sm);
    backdrop-filter: blur(5px);
}

.hero__badge-text {
    font-size: 0.65rem;
    text-transform: uppercase;
    letter-spacing: 0.3em;
}

.hero__scroll-indicator {
    position: absolute;
    bottom: 0; left: 50%;
    transform: translateX(-50%);
    height: 60px; width: 1px;
    z-index: 2;
    overflow: hidden;
}

.hero__scroll-line {
    display: block;
    width: 100%; height: 100%;
    background: linear-gradient(to bottom, var(--clr-accent-gold), transparent);
    animation: scrollLineAnimation 2s infinite linear;
}

/* ==========================================================================
   FEATURED CAMPAIGNS (GRID)
   ========================================================================== */
.collections {
    padding: var(--space-xl) 0;
}

.collections__container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--space-md);
}

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

.collection-card {
    position: relative;
    overflow: hidden;
}

.collection-card--elevated {
    transform: translateY(-40px);
}

.collection-card__image-wrapper {
    height: 600px;
    overflow: hidden;
    position: relative;
}

.collection-card__placeholder {
    width: 100%; height: 100%;
    background-size: cover;
    background-position: center;
    transition: var(--transition-smooth);
}

.collection-card:hover .collection-card__placeholder {
    transform: scale(1.04);
}

.collection-card__content {
    position: absolute;
    bottom: 0; left: 0; width: 100%;
    padding: var(--space-md);
    color: var(--clr-white);
    z-index: 2;
}

.collection-card__label {
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.25em;
    color: var(--clr-accent-gold);
    display: block;
    margin-bottom: var(--space-xs);
}

.collection-card__title {
    font-family: var(--ff-heading);
    font-size: 1.6rem;
    font-weight: 400;
    margin-bottom: var(--space-sm);
}

.collection-card__link {
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    border-bottom: 1px solid var(--clr-white);
    padding-bottom: 2px;
}

.collection-card__link:hover {
    color: var(--clr-accent-gold);
    border-color: var(--clr-accent-gold);
}

/* ==========================================================================
   NEW ARRIVALS (8-CARD PRODUCT GRID)
   ========================================================================== */
.products {
    padding-bottom: var(--space-xl);
}

.products__container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--space-md);
}

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

.product-card {
    transition: var(--transition-smooth);
}

.product-card__image-box {
    height: 480px;
    background-color: var(--clr-bg-beige);
    position: relative;
    overflow: hidden;
    margin-bottom: var(--space-sm);
}

.product-card__img {
    width: 100%; height: 100%;
    background-size: cover;
    background-position: center;
    transition: var(--transition-smooth);
}

.product-card:hover .product-card__img {
    transform: scale(1.03);
}

.product-card__wishlist {
    position: absolute;
    top: var(--space-sm); right: var(--space-sm);
    width: 36px; height: 36px;
    background-color: var(--clr-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition-smooth);
    box-shadow: 0 4px 12px rgba(0,0,0,0.05);
}

.product-card:hover .product-card__wishlist {
    opacity: 1;
}

.product-card__wishlist:hover {
    background-color: var(--clr-text-primary);
    color: var(--clr-white);
}

.product-card__badge {
    position: absolute;
    bottom: var(--space-sm); left: var(--space-sm);
    background-color: var(--clr-white);
    color: var(--clr-text-primary);
    font-size: 0.65rem;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    padding: 4px 10px;
}

.product-card__info {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.product-card__category {
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--clr-text-secondary);
}

.product-card__name {
    font-size: 0.95rem;
    font-weight: 400;
    color: var(--clr-text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.product-card__price {
    font-size: 0.9rem;
    font-weight: 500;
    margin-top: 2px;
}

/* ==========================================================================
   BRAND STORY EDITORIAL SECTION
   ========================================================================== */
.brand-story {
    padding: var(--space-xl) 0;
    background-color: var(--clr-bg-beige);
}

.brand-story__container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--space-md);
}

.brand-story__grid {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: var(--space-xl);
    align-items: center;
}

.brand-story__image-block {
    position: relative;
}

.brand-story__frame {
    padding: var(--space-md);
    background-color: var(--clr-white);
    border: 1px solid var(--clr-border);
}

.brand-story__img {
    height: 650px;
    background-size: cover;
    background-position: center;
}

.brand-story__content {
    padding-right: var(--space-lg);
}

.brand-story__meta {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.3em;
    color: var(--clr-accent-gold);
    display: block;
    margin-bottom: var(--space-sm);
}

.brand-story__title {
    font-family: var(--ff-heading);
    font-size: 3.2rem;
    font-weight: 400;
    line-height: 1.15;
    margin-bottom: var(--space-md);
    letter-spacing: -0.01em;
}

.brand-story__text {
    color: var(--clr-text-secondary);
    font-size: 1.05rem;
    margin-bottom: var(--space-sm);
    line-height: 1.8;
}

.brand-story__btn {
    margin-top: var(--space-md);
}

/* ==========================================================================
   SIGNATURE COLLECTION SHOWCASE (ASYMMETRIC)
   ========================================================================== */
.signature {
    padding: var(--space-xl) 0;
}

.signature__container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--space-md);
}

.signature__asymmetric-layout {
    display: grid;
    grid-template-columns: 0.8fr 1.2fr;
    gap: var(--space-lg);
    align-items: center;
}

.signature__sticky-box {
    padding-right: var(--space-md);
}

.signature__label {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.25em;
    color: var(--clr-accent-gold);
    display: block;
    margin-bottom: var(--space-xs);
}

.signature__title {
    font-family: var(--ff-heading);
    font-size: 2.8rem;
    font-weight: 400;
    line-height: 1.2;
    margin-bottom: var(--space-sm);
}

.signature__desc {
    color: var(--clr-text-secondary);
    font-size: 1rem;
    margin-bottom: var(--space-md);
}

.signature__metrics {
    display: flex;
    gap: var(--space-md);
    margin-bottom: var(--space-md);
    border-top: 1px solid var(--clr-border);
    padding-top: var(--space-sm);
}

.signature__metric-item {
    font-size: 0.8rem;
    color: var(--clr-text-primary);
}

.signature__metric-item strong {
    display: block;
    font-size: 1.4rem;
    font-family: var(--ff-heading);
    color: var(--clr-accent-gold);
    font-weight: 400;
}

.signature__showcase-image {
    height: 750px;
    overflow: hidden;
}

.signature__img {
    width: 100%; height: 100%;
    background-size: cover;
    background-position: center;
    transition: var(--transition-smooth);
}

/* ==========================================================================
   EDITORIAL LOOKBOOK GALLERY (MASONRY COMPOSITION)
   ========================================================================== */
.lookbook {
    padding-bottom: var(--space-xl);
}

.lookbook__container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--space-md);
}

.lookbook__masonry {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    grid-auto-rows: 320px;
    gap: var(--space-sm);
}

.lookbook__item {
    position: relative;
    overflow: hidden;
    background-color: var(--clr-bg-beige);
}

.lookbook__img {
    width: 100%; height: 100%;
    background-size: cover;
    background-position: center;
    transition: var(--transition-smooth);
}

.lookbook__item:hover .lookbook__img {
    transform: scale(1.05);
}

.lookbook__item--tall {
    grid-row: span 2;
}

.lookbook__item--wide {
    grid-column: span 2;
}

/* ==========================================================================
   WHY CHOOSE US / LUXURY BENEFITS VALUE CARDS
   ========================================================================== */
.benefits {
    padding: var(--space-lg) 0;
    border-top: 1px solid var(--clr-border);
    border-bottom: 1px solid var(--clr-border);
    background-color: var(--clr-white);
}

.benefits__container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--space-md);
}

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

.benefit-card {
    text-align: center;
    padding: var(--space-sm);
    transition: var(--transition-smooth);
}

.benefit-card:hover {
    transform: translateY(-5px);
}

.benefit-card__icon {
    color: var(--clr-accent-gold);
    margin-bottom: var(--space-sm);
    display: inline-block;
}

.benefit-card__title {
    font-size: 0.95rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    margin-bottom: var(--space-xs);
}

.benefit-card__text {
    font-size: 0.85rem;
    color: var(--clr-text-secondary);
    line-height: 1.6;
}

/* ==========================================================================
   CUSTOMER TESTIMONIALS SECTION
   ========================================================================== */
.testimonials {
    padding: var(--space-xl) 0;
}

.testimonials__container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--space-md);
}

.testimonials__grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-lg);
}

.testimonial-card {
    background: rgba(255, 255, 255, 0.6);
    border: 1px solid var(--clr-white);
    padding: var(--space-lg);
    backdrop-filter: blur(10px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.02);
}

.testimonial-card__stars {
    color: var(--clr-accent-gold);
    font-size: 0.85rem;
    letter-spacing: 2px;
    margin-bottom: var(--space-sm);
}

.testimonial-card__quote {
    font-family: var(--ff-heading);
    font-size: 1.4rem;
    font-style: italic;
    line-height: 1.7;
    color: var(--clr-text-primary);
    margin-bottom: var(--space-md);
}

.testimonial-card__author {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.testimonial-card__avatar {
    width: 48px; height: 48px;
    border-radius: 50%;
    background-size: cover;
    background-position: center;
}

.testimonial-card__name {
    display: block;
    font-size: 0.9rem;
    font-weight: 500;
}

.testimonial-card__role {
    font-size: 0.75rem;
    color: var(--clr-text-secondary);
}

/* ==========================================================================
   ATELIER NEWSLETTER SECTION
   ========================================================================== */
.newsletter {
    padding: var(--space-xl) 0;
    background-color: var(--clr-text-primary);
    color: var(--clr-white);
    text-align: center;
}

.newsletter__container {
    max-width: 650px;
    margin: 0 auto;
    padding: 0 var(--space-md);
}

.newsletter__sub {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.3em;
    color: var(--clr-accent-gold);
    display: block;
    margin-bottom: var(--space-xs);
}

.newsletter__title {
    font-family: var(--ff-heading);
    font-size: 2.8rem;
    font-weight: 400;
    margin-bottom: var(--space-sm);
}

.newsletter__desc {
    font-size: 0.95rem;
    opacity: 0.7;
    margin-bottom: var(--space-lg);
    line-height: 1.7;
}

.newsletter__form {
    display: flex;
    border-bottom: 1px solid rgba(255,255,255,0.2);
    padding-bottom: var(--space-xs);
}

.newsletter__input {
    flex: 1;
    background: none;
    border: none;
    padding: 10px var(--space-xs);
    color: var(--clr-white);
    font-family: inherit;
    font-size: 0.95rem;
}

.newsletter__input:focus {
    outline: none;
}

.newsletter__submit-btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    color: var(--clr-accent-gold);
    transition: var(--transition-smooth);
}

.newsletter__submit-btn:hover {
    color: var(--clr-white);
}

/* ==========================================================================
   INSTAGRAM INSTANT LOOKS GALLERY
   ========================================================================== */
.instagram {
    padding: var(--space-xl) 0 var(--space-lg);
}

.instagram__container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--space-md);
}

.instagram__title {
    display: block;
    text-align: center;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    color: var(--clr-text-secondary);
    margin-bottom: var(--space-md);
}

.instagram__grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: var(--space-xs);
}

.instagram__item {
    height: 260px;
    overflow: hidden;
}

.instagram__img {
    width: 100%; height: 100%;
    background-size: cover;
    background-position: center;
    transition: var(--transition-smooth);
    filter: grayscale(20%);
}

.instagram__item:hover .instagram__img {
    transform: scale(1.05);
    filter: grayscale(0%);
}

/* ==========================================================================
   FOOTER SECTION ARCHITECTURE
   ========================================================================== */
.footer {
    background-color: var(--clr-white);
    border-top: 1px solid var(--clr-border);
    padding-top: var(--space-xl);
}

.footer__container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--space-md) var(--space-lg);
    display: grid;
    grid-template-columns: 0.8fr 1.2fr;
    gap: var(--space-xl);
}

.footer__brand-block {
    max-width: 360px;
}

.footer__logo {
    font-family: var(--ff-heading);
    font-size: 1.8rem;
    letter-spacing: 0.2em;
    display: block;
    margin-bottom: var(--space-sm);
}

.footer__desc {
    font-size: 0.85rem;
    color: var(--clr-text-secondary);
    line-height: 1.8;
    margin-bottom: var(--space-sm);
}

.footer__socials {
    display: flex;
    gap: var(--space-sm);
    font-size: 0.75rem;
    letter-spacing: 0.1em;
}

.footer__socials a:hover {
    color: var(--clr-accent-gold);
}

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

.footer__heading {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    margin-bottom: var(--space-sm);
    font-weight: 500;
}

.footer__list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
}

.footer__link {
    font-size: 0.85rem;
    color: var(--clr-text-secondary);
}

.footer__link:hover {
    color: var(--clr-text-primary);
    padding-left: 2px;
}

.footer__bottom {
    border-top: 1px solid var(--clr-border);
    padding: var(--space-sm) 0;
}

.footer__bottom-container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--space-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.75rem;
    color: var(--clr-text-secondary);
}

.footer__legal {
    display: flex;
    gap: var(--space-sm);
}

/* ==========================================================================
   ANIMATION KEYFRAMES DECLARATIONS
   ========================================================================== */
@keyframes fadeUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes scrollLineAnimation {
    0% { transform: translateY(-100%); }
    80%, 100% { transform: translateY(100%); }
}

/* ==========================================================================
   MOBILE-FIRST RESPONSIVE DESIGN VARIATIONS
   ========================================================================== */

/* Laptop Resolution Tuning (1440px Downward) */
@media (max-width: 1440px) {
    :root {
        --space-xl: 6rem;
    }
    .brand-story__img { height: 550px; }
    .signature__showcase-image { height: 600px; }
}

/* Tablet Interface Rules (1024px Downward) */
@media (max-width: 1024px) {
    .header__nav { display: none; }
    .header__menu-toggle { display: flex; }
    .header__logo { margin-left: 0; }
    
    .collections__grid { grid-template-columns: 1fr; gap: var(--space-lg); }
    .collection-card--elevated { transform: translateY(0); }
    .collection-card__image-wrapper { height: 500px; }
    
    .products__grid { grid-template-columns: repeat(2, 1fr); }
    .brand-story__grid { grid-template-columns: 1fr; gap: var(--space-md); }
    .brand-story__content { padding-right: 0; }
    .signature__asymmetric-layout { grid-template-columns: 1fr; gap: var(--space-md); }
    .benefits__grid { grid-template-columns: repeat(2, 1fr); }
    .testimonials__grid { grid-template-columns: 1fr; }
    .instagram__grid { grid-template-columns: repeat(3, 1fr); }
    .footer__container { grid-template-columns: 1fr; gap: var(--space-lg); }
}

/* Adaptive Smartphone Profile (768px Downward) */
@media (max-width: 768px) {
    :root {
        --space-lg: 3rem;
        --space-xl: 4.5rem;
    }
    .hero { background-position: 65% center; }
    .hero__title { font-size: 2.8rem; }
    .products__grid { grid-template-columns: 1fr; }
    .product-card__image-box { height: 420px; }
    .lookbook__masonry { grid-template-columns: 1fr; grid-auto-rows: 280px; }
    .lookbook__item--wide, .lookbook__item--tall { grid-column: span 1; grid-row: span 1; }
    .benefits__grid { grid-template-columns: 1fr; gap: var(--space-sm); }
    .instagram__grid { grid-template-columns: repeat(2, 1fr); }
    .footer__links-grid { grid-template-columns: 1fr; gap: var(--space-sm); }
    .footer__bottom-container { flex-direction: column; gap: var(--space-xs); text-align: center; }
}