/* CSS Variables & Global Reset */
:root {
    --primary-color: #2A085C;
    --accent-color: #25d366;
    --accent-hover: #1da851;
    --brand-pink: #D500F9;
    --brand-orange: #FF6D00;
    --brand-blue: #2979FF;
    --brand-yellow: #FFD600;
    --brand-purple: #7C4DFF;
    --bg-light: #f8f9fa;
    --bg-white: #ffffff;
    --text-main: #1a1a1a;
    --text-muted: #666666;
    --border-color: #e5e7eb;
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --shadow-soft: 0 10px 30px rgba(0, 0, 0, 0.05);
    --shadow-hover: 0 15px 35px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    --font-stack: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

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

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

body {
    font-family: var(--font-stack);
    color: var(--text-main);
    background-color: var(--bg-white);
    line-height: 1.6;
    overflow-x: hidden;
    padding-bottom: 70px;
}

@media (min-width: 768px) {
    body { padding-bottom: 0; }
}

/* Typography & Layout */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.center { text-align: center; }
.mb-2 { margin-bottom: 1.5rem; }

.section {
    padding: 60px 0;
}

.bg-light { background-color: var(--bg-light); }
.bg-dark { background-color: var(--primary-color); }
.text-white { color: #ffffff; }

.gradient-text {
    background: linear-gradient(135deg, var(--brand-blue) 0%, var(--brand-pink) 55%, var(--brand-orange) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.badge {
    display: inline-block;
    padding: 6px 14px;
    background: #f6ecff;
    color: var(--brand-pink);
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 700;
    margin-bottom: 15px;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    font-size: 0.95rem;
    font-weight: 700;
    border-radius: var(--radius-sm);
    border: none;
    cursor: pointer;
    text-decoration: none;
    transition: var(--transition);
}

.btn-primary {
    background-color: var(--primary-color);
    color: #ffffff;
}

.btn-primary:hover {
    background-color: #333333;
    transform: translateY(-2px);
}

.btn-whatsapp {
    background-color: var(--accent-color);
    color: #ffffff;
}

.btn-whatsapp:hover {
    background-color: var(--accent-hover);
}

.btn-whatsapp-outline {
    background-color: transparent;
    border: 2px solid var(--accent-color);
    color: var(--accent-hover);
}

.btn-whatsapp-outline:hover {
    background-color: var(--accent-color);
    color: #ffffff;
}

.btn-whatsapp-large {
    background-color: var(--accent-color);
    color: #ffffff;
    padding: 16px 32px;
    font-size: 1.1rem;
    border-radius: var(--radius-md);
    width: 100%;
    max-width: 400px;
}

.btn-whatsapp-large:hover {
    background-color: var(--accent-hover);
    transform: translateY(-2px);
}

/* Header */
.site-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    padding: 15px 0;
}

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

.logo {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
}

.logo-img {
    height: 40px;
    width: auto;
    object-fit: contain;
}

.footer-col .logo-img {
    height: 44px;
}

.logo-text {
    font-size: 1.5rem;
    font-weight: 900;
    letter-spacing: -0.5px;
    color: var(--primary-color);
}

.footer-col .logo-text { color: #ffffff; }

.logo-text .highlight { color: var(--brand-orange); }

.nav-list {
    display: flex;
    list-style: none;
    gap: 24px;
}

.nav-link {
    text-decoration: none;
    color: var(--text-main);
    font-weight: 600;
    font-size: 0.95rem;
    transition: var(--transition);
}

.nav-link:hover, .nav-link.active {
    color: var(--accent-hover);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 15px;
}

.mobile-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 10px;
}

.hamburger {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--primary-color);
    position: relative;
    transition: var(--transition);
}

.hamburger::before, .hamburger::after {
    content: '';
    position: absolute;
    width: 24px;
    height: 2px;
    background: var(--primary-color);
    transition: var(--transition);
}

.hamburger::before { top: -6px; }
.hamburger::after { top: 6px; }

/* Mobile Menu Navigation State */
@media (max-width: 991px) {
    .header-wa-btn { display: none; }
    .mobile-toggle { display: block; }
    .nav-menu {
        position: fixed;
        top: 65px;
        left: 0;
        width: 100%;
        background: var(--bg-white);
        border-bottom: 1px solid var(--border-color);
        padding: 20px;
        transform: translateY(-150%);
        transition: var(--transition);
    }
    .nav-menu.is-active {
        transform: translateY(0);
        box-shadow: var(--shadow-soft);
    }
    .nav-list {
        flex-direction: column;
        align-items: center;
        gap: 16px;
    }
}

/* Hero Section */
.hero-section {
    padding: 60px 0;
    background: radial-gradient(circle at top right, #f6ecff, #ffffff);
}

.hero-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 40px;
    align-items: stretch;
}

@media (min-width: 992px) {
    .hero-grid { grid-template-columns: 1fr 1fr; }
}

.hero-title {
    font-size: 2.5rem;
    line-height: 1.15;
    font-weight: 900;
    margin-bottom: 20px;
}

.hero-subtitle {
    font-size: 1.1rem;
    color: var(--text-muted);
    margin-bottom: 30px;
}

.hero-cta-group {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
}

.hero-visual {
    display: flex;
    height: 100%;
}

.hero-image-frame {
    position: relative;
    width: 100%;
    min-height: 320px;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-hover);
}

.hero-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center top;
}

@media (min-width: 992px) {
    .hero-image-frame { min-height: 480px; }
}

/* Quick Feature Strip */
.feature-strip {
    background: linear-gradient(120deg, var(--primary-color) 0%, #4c1d95 45%, var(--brand-pink) 100%);
    padding: 34px 0;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

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

.feature-card {
    display: flex;
    align-items: center;
    gap: 12px;
}

.feature-icon {
    font-size: 1.8rem;
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.25));
}

.feature-card h4 {
    font-size: 0.85rem;
    font-weight: 800;
    color: #ffffff;
    letter-spacing: 0.3px;
}

.feature-card p {
    font-size: 0.75rem;
    color: rgba(255, 255, 255, 0.75);
}

/* Gallery Section & Filters */
.gallery-section {
    padding: 80px 0;
}

.section-header {
    margin-bottom: 40px;
}

.section-header h2 {
    font-size: 2rem;
    font-weight: 900;
    letter-spacing: -0.5px;
}

.section-header p {
    color: var(--text-muted);
}

.filter-wrapper {
    margin-bottom: 40px;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.search-box input {
    width: 100%;
    padding: 14px 20px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-color);
    font-size: 1rem;
    outline: none;
    transition: var(--transition);
}

.search-box input:focus {
    border-color: var(--primary-color);
}

.category-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.chip {
    padding: 8px 18px;
    border-radius: 50px;
    border: 1px solid var(--border-color);
    background: var(--bg-white);
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.chip:hover, .chip.active {
    background-color: var(--primary-color);
    color: #ffffff;
    border-color: var(--primary-color);
}

/* Product Cards Grid */
.product-grid {
    display: grid;
    grid-template-columns: repeat(1, 1fr);
    gap: 30px;
}

@media (min-width: 576px) {
    .product-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 992px) {
    .product-grid { grid-template-columns: repeat(3, 1fr); }
}

.product-card {
    background: var(--bg-white);
    border: 1px solid var(--border-color);
    border-top: 5px solid var(--brand-blue);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
}

.product-card:nth-child(5n+2) { border-top-color: var(--brand-pink); }
.product-card:nth-child(5n+3) { border-top-color: var(--brand-orange); }
.product-card:nth-child(5n+4) { border-top-color: var(--brand-purple); }
.product-card:nth-child(5n+5) { border-top-color: var(--brand-yellow); }

.product-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
}

.product-thumb {
    position: relative;
    padding-top: 100%;
    background: #eef1f5;
    overflow: hidden;
    border-bottom: 1px solid var(--border-color);
    box-shadow: inset 0 0 0 1px rgba(0, 0, 0, 0.04);
}

.product-thumb img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.product-info {
    padding: 20px;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.product-category {
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    color: var(--brand-pink);
    margin-bottom: 5px;
}

.product-title {
    font-size: 1.1rem;
    font-weight: 800;
    margin-bottom: 12px;
}

.product-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-bottom: 20px;
    font-size: 0.75rem;
    color: var(--text-muted);
}

.product-tags span {
    background: var(--bg-light);
    padding: 3px 8px;
    border-radius: 4px;
}

.product-card .btn {
    margin-top: auto;
    width: 100%;
}

/* Custom Design Banner */
.custom-banner-section {
    padding: 40px 0;
}

.custom-banner-card {
    background: linear-gradient(135deg, #111 0%, #222 100%);
    color: #ffffff;
    border-radius: var(--radius-lg);
    padding: 40px 20px;
    text-align: center;
}

.custom-banner-content h2 {
    font-size: 2rem;
    font-weight: 900;
    margin-bottom: 15px;
}

.custom-banner-content p {
    color: #cccccc;
    max-width: 600px;
    margin: 0 auto 30px auto;
}

/* General Grid Helpers */
.grid-3 {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
}
@media (min-width: 768px) { .grid-3 { grid-template-columns: repeat(3, 1fr); } }

.grid-4 {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
}
@media (min-width: 576px) { .grid-4 { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 992px) { .grid-4 { grid-template-columns: repeat(4, 1fr); } }

.info-card, .placement-card, .step-card {
    background: var(--bg-white);
    padding: 30px 20px;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    border-top: 4px solid transparent;
}

.info-card:nth-child(4n+1) { border-top-color: var(--brand-blue); }
.info-card:nth-child(4n+2) { border-top-color: var(--brand-pink); }
.info-card:nth-child(4n+3) { border-top-color: var(--brand-orange); }
.info-card:nth-child(4n+4) { border-top-color: var(--brand-purple); }

.info-card:nth-child(4n+1) .size-tag { color: var(--brand-blue); }
.info-card:nth-child(4n+2) .size-tag { color: var(--brand-pink); }
.info-card:nth-child(4n+3) .size-tag { color: var(--brand-orange); }
.info-card:nth-child(4n+4) .size-tag { color: var(--brand-purple); }

.placement-card:nth-child(3n+1) { border-top-color: var(--brand-blue); }
.placement-card:nth-child(3n+2) { border-top-color: var(--brand-pink); }
.placement-card:nth-child(3n+3) { border-top-color: var(--brand-orange); }

.size-tag {
    display: inline-block;
    font-size: 1.5rem;
    font-weight: 900;
    color: var(--primary-color);
    background: var(--bg-light);
    width: 60px;
    height: 60px;
    line-height: 60px;
    border-radius: 50%;
    margin-bottom: 15px;
}

.placement-icon { font-size: 2.5rem; margin-bottom: 10px; }

.step-num {
    font-size: 1.8rem;
    font-weight: 900;
    color: var(--brand-orange);
    margin-bottom: 10px;
}

.step-card:nth-child(4n+1) { border-top-color: var(--brand-blue); }
.step-card:nth-child(4n+2) { border-top-color: var(--brand-pink); }
.step-card:nth-child(4n+3) { border-top-color: var(--brand-orange); }
.step-card:nth-child(4n+4) { border-top-color: var(--brand-purple); }

.step-card:nth-child(4n+1) .step-num { color: var(--brand-blue); }
.step-card:nth-child(4n+2) .step-num { color: var(--brand-pink); }
.step-card:nth-child(4n+3) .step-num { color: var(--brand-orange); }
.step-card:nth-child(4n+4) .step-num { color: var(--brand-purple); }

/* Tables */
.table-responsive {
    overflow-x: auto;
}

.size-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--bg-white);
    border-radius: var(--radius-md);
    overflow: hidden;
    border: 2px solid var(--primary-color);
    box-shadow: var(--shadow-soft);
}

.size-table th, .size-table td {
    padding: 15px 20px;
    text-align: center;
    border-bottom: 1px solid var(--border-color);
}

.size-table th {
    background: linear-gradient(120deg, var(--primary-color), var(--brand-pink));
    color: #ffffff;
    font-weight: 700;
}

.size-table tbody tr:nth-child(even) {
    background-color: #f6ecff;
}

.size-table tbody tr:hover {
    background-color: #ede1ff;
}

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

.dtf-info-box {
    background: #f6ecff;
    border: 1px solid #e4c8ff;
    border-radius: var(--radius-md);
    padding: 40px 30px;
    text-align: center;
}

.dtf-info-box h2 {
    font-size: 1.5rem;
    font-weight: 900;
    color: var(--brand-pink);
    margin-bottom: 10px;
}

/* Footer */
.site-footer {
    background: var(--primary-color);
    color: #ffffff;
    padding: 60px 0 20px 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 40px;
    margin-bottom: 40px;
}

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

.footer-col h4 {
    margin-bottom: 15px;
    font-size: 1.1rem;
}

.footer-col ul {
    list-style: none;
}

.footer-col ul li {
    margin-bottom: 10px;
}

.footer-col a {
    color: #aaaaaa;
    text-decoration: none;
    transition: var(--transition);
}

.footer-col a:hover { color: #ffffff; }

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid #222222;
    color: #777777;
    font-size: 0.85rem;
}

/* Modal Styling */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    z-index: 2000;
    display: flex;
    align-items: flex-end;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
}

@media (min-width: 768px) {
    .modal-overlay { align-items: center; }
}

.modal-overlay.is-visible {
    opacity: 1;
    visibility: visible;
}

.modal-card {
    background: var(--bg-white);
    width: 100%;
    max-width: 800px;
    max-height: 90vh;
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
    overflow-y: auto;
    position: relative;
    padding: 30px 20px;
}

@media (min-width: 768px) {
    .modal-card { border-radius: var(--radius-lg); padding: 40px; }
}

.modal-close {
    position: absolute;
    top: 15px;
    right: 20px;
    font-size: 2rem;
    background: none;
    border: none;
    cursor: pointer;
    line-height: 1;
    z-index: 10;
}

.modal-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 30px;
}

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

.modal-preview img {
    width: 100%;
    border-radius: var(--radius-md);
    background: var(--bg-light);
}

.option-group {
    margin-bottom: 20px;
}

.option-title {
    font-size: 0.85rem;
    font-weight: 800;
    text-transform: uppercase;
    margin-bottom: 8px;
}

.option-pills {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.pill-btn {
    padding: 8px 16px;
    border: 1px solid var(--border-color);
    background: var(--bg-white);
    border-radius: var(--radius-sm);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.pill-btn.selected {
    border-color: var(--primary-color);
    background: var(--primary-color);
    color: #ffffff;
}

.swatch-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-weight: 600;
}

.swatch-btn.selected {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px var(--primary-color);
}

.dot-black { width: 12px; height: 12px; border-radius: 50%; background: #000; display: inline-block; }
.dot-white { width: 12px; height: 12px; border-radius: 50%; background: #fff; border: 1px solid #ccc; display: inline-block; }

.qty-control {
    display: inline-flex;
    align-items: center;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
}

.qty-btn {
    width: 36px;
    height: 36px;
    background: none;
    border: none;
    font-size: 1.2rem;
    cursor: pointer;
}

.qty-val {
    width: 40px;
    text-align: center;
    font-weight: 700;
}

/* Floating & Mobile Bottom CTAs */
.floating-wa-btn {
    position: fixed;
    bottom: 85px;
    right: 20px;
    width: 60px;
    height: 60px;
    background: var(--accent-color);
    color: #ffffff;
    border-radius: 50%;
    border: none;
    box-shadow: var(--shadow-hover);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 999;
    transition: var(--transition);
}

.floating-wa-btn:hover {
    transform: scale(1.1);
    background: var(--accent-hover);
}

@media (min-width: 768px) {
    .floating-wa-btn { bottom: 30px; }
}

.mobile-bottom-bar {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    background: var(--bg-white);
    padding: 12px 20px;
    border-top: 1px solid var(--border-color);
    z-index: 998;
    display: flex;
    justify-content: center;
}

@media (min-width: 768px) {
    .mobile-bottom-bar { display: none; }
}

.validation-error {
    color: #dc2626;
    font-size: 0.85rem;
    font-weight: 600;
    margin-top: 5px;
    display: none;
}