/* ============================================================
   UNIQLAH — Luxury Editorial CSS
   Aesthetic: refined minimalism, editorial fashion house
   Fonts: Cormorant Garamond (display) + DM Sans (body)
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@0,300;0,400;0,500;0,600;1,300;1,400&family=DM+Sans:wght@300;400;500&display=swap');

/* --- Design Tokens --- */
:root {
    --ivory:       #F5F2ED;
    --ivory-dark:  #EDE9E1;
    --charcoal:    #1A1A18;
    --stone:       #8C8880;
    --stone-light: #C4BFB8;
    --warm-white:  #FAFAF8;
    --accent:      #6B4F3A;

    --font-display: 'Cormorant Garamond', Georgia, serif;
    --font-body:    'DM Sans', system-ui, sans-serif;

    --nav-height: 72px;
    --transition: 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

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

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

body {
    font-family: var(--font-body);
    font-weight: 300;
    color: var(--charcoal);
    background: var(--warm-white);
    line-height: 1.6;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
}

main { flex: 1; }

/* --- Layout --- */
.container {
    width: 92%;
    max-width: 1280px;
    margin: 0 auto;
}

.flex-between {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

/* ============================================================
   NAVIGATION
   ============================================================ */
header {
    background: var(--warm-white);
    border-bottom: 1px solid var(--stone-light);
    height: var(--nav-height);
    display: flex;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 1000;
    transition: box-shadow var(--transition);
}

header.scrolled {
    box-shadow: 0 1px 24px rgba(26,26,24,0.06);
}

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

.logo strong {
    font-family: var(--font-display);
    font-weight: 400;
    font-size: 1.5rem;
    letter-spacing: 0.35em;
    color: var(--charcoal);
    text-transform: uppercase;
    transition: color var(--transition);
}

.logo a:hover strong {
    color: var(--stone);
    cursor: pointer;
}

.navbar ul {
    list-style: none;
    display: flex;
    gap: 3rem;
    align-items: center;
}

.navbar a {
    font-family: var(--font-body);
    font-weight: 400;
    font-size: 0.7rem;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    text-decoration: none;
    color: var(--charcoal);
    position: relative;
    padding-bottom: 2px;
    transition: color var(--transition);
}

/* Elegant underline slide-in on hover */
.navbar a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--charcoal);
    transition: width var(--transition);
}

.navbar a:hover { color: var(--stone); }
.navbar a:hover::after { width: 100%; }

/* ============================================================
   HERO BANNER
   ============================================================ */
.home-banner {
    position: relative;
    height: calc(100vh - var(--nav-height));
    overflow: hidden;
    display: flex;
    align-items: flex-end;
}

.banner-img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: 0;
    transform: scale(1.03);
    transition: transform 8s ease-out;
}

.home-banner:hover .banner-img {
    transform: scale(1.0);
}

.banner-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        to top,
        rgba(26,26,24,0.65) 0%,
        rgba(26,26,24,0.15) 50%,
        transparent 100%
    );
    z-index: 1;
}

.banner-content {
    position: relative;
    z-index: 2;
    width: 100%;
    padding-bottom: 5rem;
    color: var(--warm-white);
}

.tagline {
    font-family: var(--font-body);
    font-weight: 300;
    font-size: 0.65rem;
    letter-spacing: 0.4em;
    text-transform: uppercase;
    color: rgba(245,242,237,0.7);
    margin-bottom: 1.25rem;
}

.banner-title {
    font-family: var(--font-display);
    font-weight: 300;
    font-size: clamp(3rem, 7vw, 6.5rem);
    line-height: 1.0;
    letter-spacing: 0.02em;
    margin-bottom: 1.5rem;
    font-style: italic;
}

.description {
    font-family: var(--font-body);
    font-weight: 300;
    font-size: 0.875rem;
    letter-spacing: 0.05em;
    color: rgba(245,242,237,0.75);
    max-width: 28rem;
    line-height: 1.8;
    margin-bottom: 2.5rem;
}

/* ============================================================
   BUTTONS
   ============================================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    font-family: var(--font-body);
    font-weight: 400;
    font-size: 0.65rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    text-decoration: none;
    color: var(--charcoal);
    background: transparent;
    border: 1px solid var(--charcoal);
    padding: 0.85rem 2.5rem;
    border-radius: 0;
    cursor: pointer;
    transition: all var(--transition);
    position: relative;
    overflow: hidden;
}

/* Fill sweep on hover */
.btn::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--charcoal);
    transform: translateX(-101%);
    transition: transform var(--transition);
    z-index: -1;
}

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

.btn:hover::before {
    transform: translateX(0);
}

/* Banner button variant — inverted */
.banner-content .btn {
    color: var(--warm-white);
    border-color: rgba(245,242,237,0.6);
}

.banner-content .btn::before {
    background: var(--warm-white);
}

.banner-content .btn:hover {
    color: var(--charcoal);
}

.btn-outline {
    color: var(--stone);
    border-color: var(--stone-light);
}

.btn-outline::before {
    background: var(--ivory-dark);
}

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

.btn-reset {
    color: var(--accent);
    border-color: var(--accent);
    background: transparent;
}

.btn-reset::before {
    background: var(--accent);
}

.btn-reset:hover {
    color: var(--warm-white);
}

.btn-add {
    width: 100%;
    padding: 0.7rem 1rem !important;
    font-size: 0.6rem !important;
    letter-spacing: 0.15em;
}

/* ============================================================
   BRAND INTRO
   ============================================================ */
.brand-intro {
    padding: 7rem 0;
    background: var(--warm-white);
}

.section-title {
    font-family: var(--font-display);
    font-weight: 300;
    font-size: clamp(1.75rem, 3vw, 2.75rem);
    letter-spacing: 0.03em;
    line-height: 1.2;
    margin-bottom: 1.5rem;
}

.section-title-sm {
    font-family: var(--font-display);
    font-weight: 400;
    font-size: 1.5rem;
    letter-spacing: 0.05em;
    margin-bottom: 0.5rem;
}

.text-muted {
    font-family: var(--font-body);
    font-weight: 300;
    font-size: 0.875rem;
    color: var(--stone);
    letter-spacing: 0.03em;
    line-height: 1.9;
}

/* ============================================================
   PRODUCT GRID
   ============================================================ */
.py-20   { padding: 5rem 0; }
.mb-8    { margin-bottom: 2rem; }
.text-center { text-align: center; }
.text-right  { text-align: right; }
.max-w-lg    { max-width: 32rem; }
.max-w-md    { max-width: 28rem; }
.max-w-2xl   { max-width: 48rem; }
.mx-auto     { margin-left: auto; margin-right: auto; }
.cta-banner  { background: var(--ivory); }

.view-all {
    font-family: var(--font-body);
    font-size: 0.65rem;
    font-weight: 400;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--stone);
    text-decoration: none;
    border-bottom: 1px solid var(--stone-light);
    padding-bottom: 2px;
    transition: all var(--transition);
}

.view-all:hover {
    color: var(--charcoal);
    border-color: var(--charcoal);
}

.product-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
}

@media (min-width: 768px) {
    .product-grid { grid-template-columns: repeat(4, 1fr); gap: 1.5rem; }
}

.product-card {
    cursor: pointer;
}

.product-image-wrapper {
    aspect-ratio: 3/4;
    overflow: hidden;
    background: var(--ivory);
}

.product-image-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    object-position: center;
    transition: transform 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    filter: saturate(0.9);
}

.product-card:hover img {
    transform: scale(1.06);
    filter: saturate(1.05);
}

.product-info {
    padding: 1rem 0 0 0;
}

.product-category {
    font-family: var(--font-body);
    font-size: 0.6rem;
    font-weight: 400;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--stone);
    margin-bottom: 0.3rem;
}

.product-info h3 {
    font-family: var(--font-display);
    font-weight: 400;
    font-size: 1rem;
    letter-spacing: 0.02em;
    color: var(--charcoal);
    margin-bottom: 0.3rem;
}

.product-info p {
    font-family: var(--font-body);
    font-size: 0.8rem;
    font-weight: 300;
    color: var(--stone);
    letter-spacing: 0.05em;
}

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
    background: var(--charcoal);
    padding: 5rem 0 2.5rem;
    margin-top: 5rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 3rem;
    margin-bottom: 4rem;
}

@media (min-width: 768px) {
    .footer-grid { grid-template-columns: 2fr 1fr 1fr; }
}

.footer h2 {
    font-family: var(--font-display);
    font-weight: 300;
    font-size: 1rem;
    letter-spacing: 0.3em;
    text-transform: uppercase;
    color: var(--ivory);
    margin-bottom: 1.5rem;
}

.footer p {
    font-family: var(--font-body);
    font-weight: 300;
    font-size: 0.8rem;
    letter-spacing: 0.05em;
    color: var(--stone-light);
    line-height: 1.9;
    margin-bottom: 0.5rem;
}

.footer ul {
    list-style: none;
}

.footer ul li { margin-bottom: 0.75rem; }

.footer a {
    font-family: var(--font-body);
    font-weight: 300;
    font-size: 0.8rem;
    letter-spacing: 0.05em;
    color: var(--stone-light);
    text-decoration: none;
    transition: color var(--transition);
}

.footer a:hover { color: var(--ivory); }

.footer hr {
    border: none;
    border-top: 1px solid rgba(255,255,255,0.08);
    margin: 2rem 0 1.5rem;
}

.back-to-top {
    font-family: var(--font-body);
    font-size: 0.65rem;
    font-weight: 400;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--stone-light) !important;
    text-decoration: none;
    transition: color var(--transition);
}

.back-to-top:hover { color: var(--ivory) !important; }

.footer .text-center p {
    font-size: 0.7rem;
    color: rgba(196,191,184,0.5);
    letter-spacing: 0.1em;
}

/* ============================================================
   ANIMATIONS
   ============================================================ */
.animate-up {
    animation: fadeInUp 1s cubic-bezier(0.25, 0.46, 0.45, 0.94) forwards;
}

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(30px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* ============================================================
   SHOP PAGE — Filters
   ============================================================ */
.category-filters {
    display: flex;
    gap: 0;
    flex-wrap: wrap;
    margin-bottom: 3rem;
    border-bottom: 1px solid var(--stone-light);
}

.filter-btn {
    background: transparent;
    border: none;
    border-bottom: 2px solid transparent;
    padding: 0.75rem 1.5rem;
    font-family: var(--font-body);
    font-size: 0.65rem;
    font-weight: 400;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--stone);
    cursor: pointer;
    transition: all var(--transition);
    margin-bottom: -1px;
}

.filter-btn:hover {
    color: var(--charcoal);
}

.filter-btn.active {
    color: var(--charcoal);
    border-bottom-color: var(--charcoal);
}

/* ============================================================
   SHOP PAGE — Product Form
   ============================================================ */
.product-form {
    margin-top: 0.75rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.selection-row {
    display: flex;
    gap: 0.5rem;
}

.size-select,
.qty-input {
    border: 1px solid var(--stone-light);
    background: transparent;
    font-family: var(--font-body);
    font-size: 0.75rem;
    font-weight: 300;
    letter-spacing: 0.05em;
    color: var(--charcoal);
    padding: 0.5rem 0.6rem;
    transition: border-color var(--transition);
    border-radius: 0;
    -webkit-appearance: none;
    appearance: none;
}

.size-select { flex: 2; }
.qty-input   { flex: 1; text-align: center; }

.size-select:focus,
.qty-input:focus {
    outline: none;
    border-color: var(--charcoal);
}

/* ============================================================
   CART PAGE
   ============================================================ */
.summary-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.8rem;
    margin-bottom: 1rem;
}

.summary-table th {
    font-family: var(--font-body);
    font-weight: 400;
    font-size: 0.6rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--stone);
    text-align: left;
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--charcoal);
}

.summary-table td {
    font-family: var(--font-body);
    font-weight: 300;
    font-size: 0.8rem;
    color: var(--charcoal);
    padding: 1.1rem 0;
    border-bottom: 1px solid var(--ivory-dark);
    vertical-align: middle;
}

.summary-table tr:last-child td {
    border-bottom: none;
}

.summary-total {
    font-weight: 500;
    font-size: 0.9rem !important;
    letter-spacing: 0.05em;
}

.cart-summary {
    margin-top: 1rem;
}

.qty-controls {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.qty-btn {
    width: 28px;
    height: 28px;
    border: 1px solid var(--stone-light);
    background: transparent;
    cursor: pointer;
    font-size: 0.9rem;
    color: var(--charcoal);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition);
}

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

.remove-btn {
    background: none;
    border: none;
    color: var(--stone);
    cursor: pointer;
    font-family: var(--font-body);
    font-size: 0.6rem;
    font-weight: 400;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    padding: 0;
    border-bottom: 1px solid transparent;
    transition: all var(--transition);
}

.remove-btn:hover {
    color: var(--charcoal);
    border-bottom-color: var(--charcoal);
}

/* ============================================================
   FORMS (page4 & page5)
   ============================================================ */
.form-container {
    max-width: 640px;
}

fieldset {
    border: 1px solid var(--ivory-dark);
    padding: 2.5rem;
    background: var(--warm-white);
}

legend {
    font-family: var(--font-display);
    font-weight: 400;
    font-size: 1rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    padding: 0 0.75rem;
    color: var(--charcoal);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

.form-group label {
    font-family: var(--font-body);
    font-size: 0.65rem;
    font-weight: 400;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--stone);
}

.form-group input,
.form-group select,
.form-group textarea {
    font-family: var(--font-body);
    font-size: 0.875rem;
    font-weight: 300;
    color: var(--charcoal);
    background: transparent;
    border: none;
    border-bottom: 1px solid var(--stone-light);
    padding: 0.6rem 0;
    width: 100%;
    border-radius: 0;
    transition: border-color var(--transition);
    -webkit-appearance: none;
    appearance: none;
}

.form-group input[type="checkbox"],
.form-group input[type="radio"] {
    width: auto;
    appearance: auto;
    -webkit-appearance: auto;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-bottom-color: var(--charcoal);
}

.form-group textarea {
    resize: vertical;
    min-height: 80px;
    border: 1px solid var(--stone-light);
    padding: 0.75rem;
    margin-top: 0.25rem;
}

.form-group textarea:focus {
    border-color: var(--charcoal);
}

.radio-group,
.checkbox-group {
    display: flex;
    flex-wrap: wrap;
    gap: 1.25rem;
    margin-top: 0.5rem;
}

.radio-label,
.checkbox-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-family: var(--font-body);
    font-size: 0.8rem;
    font-weight: 300;
    color: var(--charcoal);
    cursor: pointer;
    letter-spacing: 0.03em;
}

.form-actions {
    margin-top: 2rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--ivory-dark);
}

/* ============================================================
   CHECKOUT PAGE
   ============================================================ */
.checkout-form-section {
    margin-top: 3rem;
}

/* ============================================================
   SCROLL SHADOW ON NAV
   ============================================================ */
@media (min-width: 768px) {
    .home-banner { height: calc(100vh - var(--nav-height)); }
}

@media (max-width: 768px) {
    .banner-title { font-size: 2.5rem; }
    .navbar ul { gap: 1.5rem; }
    .hidden-mobile { display: none; }
    .product-grid { gap: 1rem; }
    fieldset { padding: 1.5rem; }
}

/* Hidden utility — replaces style="display:none" */
.hidden-section {
    display: none;
}

/* Form actions row — replaces style="margin-top:2rem" flex-between */
.form-actions {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 2rem;
    gap: 1rem;
}

.form-actions-right {
    display: flex;
    gap: 0.75rem;
}

/* Fieldset spacing — replaces style="margin-top:1.5rem" */
.fieldset-mt {
    margin-top: 1.5rem;
}

/* Checkout total row — replaces inline flex-between with border */
.checkout-total-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 1.5rem;
    padding-top: 1rem;
    border-top: 1px solid var(--stone-light);
}

/* Cart & summary tables — replaces all inline table styles */
.cart-table {
    width: 100%;
    border-collapse: collapse;
}

.cart-thead-row th {
    padding: 0.6rem 0;
    border-bottom: 1px solid var(--stone-light);
    text-align: left;
}

.cart-row {
    border-bottom: 1px solid var(--stone-light);
}

.cart-cell {
    padding: 0.75rem 0;
}

/* Qty +/- controls */
.qty-controls {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.qty-btn {
    border: 1px solid var(--stone-light);
    background: none;
    padding: 0 0.4rem;
    cursor: pointer;
}

/* Remove button in cart */
.remove-btn {
    background: none;
    border: none;
    cursor: pointer;
    color: var(--accent);
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Profile & checkout confirmation sections */
.profile-confirmation,
#profile-confirmation,
#order-confirmation {
    text-align: center;
    padding: 5rem 0;
}

/* Radio and checkbox groups */
.radio-group,
.checkbox-group {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
    margin-top: 0.4rem;
}

.radio-group label,
.checkbox-group label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: normal;
    cursor: pointer;
}

/* Order/profile summary table (shown in new tab) */
.summary-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 1.5rem;
}

.summary-table th,
.summary-table td {
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--stone-light);
    text-align: left;
}

.summary-table thead tr {
    border-bottom: 2px solid var(--charcoal);
}

.summary-table th {
    width: 35%;
    font-weight: 500;
    color: var(--charcoal);
}

.hidden-section {
    display: none;
}