:root {
    --bg-primary: #F4F5F7;
    --bg-surface: #FFFFFF;
    --brand-primary: #10B981;
    --brand-primary-hover: #059669;
    --brand-secondary: #F59E0B;
    --text-main: #111827;
    --text-muted: #6B7280;
    --border-color: #E5E7EB;
    --error-bg: #FEE2E2;
    --error-text: #B91C1C;
    --shadow-sm: 0 4px 6px rgba(0,0,0,0.04);
    --shadow-md: 0 12px 32px rgba(0,0,0,0.08);
    --radius-md: 16px;
    --radius-lg: 24px;
    --transition-fast: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    --header-bg: rgba(255, 255, 255, 0.85);
    --stat-bg: rgba(255, 255, 255, 0.1);
    --glass-border: rgba(255, 255, 255, 0.2);
}

[data-theme="dark"] {
    --bg-primary: #0F172A;
    --bg-surface: #1E293B;
    --text-main: #F8FAFC;
    --text-muted: #94A3B8;
    --border-color: #334155;
    --error-bg: #7F1D1D;
    --error-text: #FECACA;
    --header-bg: rgba(30, 41, 59, 0.85);
    --shadow-sm: 0 4px 12px rgba(0,0,0,0.3);
    --shadow-md: 0 16px 40px rgba(0,0,0,0.5);
    --stat-bg: rgba(0, 0, 0, 0.2);
    --glass-border: rgba(255, 255, 255, 0.05);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Outfit', sans-serif;
}

body {
    background-color: var(--bg-primary);
    color: var(--text-main);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    transition: background-color var(--transition-fast), color var(--transition-fast);
}

.container {
    max-width: 1140px;
    margin: 0 auto;
    padding: 0 32px;
}

.site-header {
    background: var(--header-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    position: sticky;
    top: 0;
    z-index: 100;
    border-bottom: 1px solid var(--border-color);
    transition: background-color var(--transition-fast), border-color var(--transition-fast);
}

.header-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}

.brand {
    text-decoration: none;
}

.brand-text {
    font-size: 26px;
    font-weight: 900;
    letter-spacing: -0.5px;
    color: var(--text-main);
}

.main-nav {
    display: flex;
    gap: 32px;
    align-items: center;
}

.main-nav a {
    text-decoration: none;
    color: var(--text-main);
    font-weight: 600;
    transition: color var(--transition-fast);
}

.main-nav a:hover {
    color: var(--brand-primary);
}

.btn-outline {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: 2px solid var(--text-main);
    color: var(--text-main);
    background: transparent;
    padding: 10px 24px;
    border-radius: 99px;
    font-weight: 700;
    font-size: 16px;
    text-decoration: none;
    transition: all var(--transition-fast);
    cursor: pointer;
}

.btn-outline:hover {
    background: var(--text-main);
    color: var(--bg-surface);
}

.btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--brand-primary), var(--brand-primary-hover));
    color: #FFFFFF;
    text-decoration: none;
    padding: 16px 32px;
    border-radius: 99px;
    font-weight: 700;
    font-size: 18px;
    border: none;
    cursor: pointer;
    box-shadow: 0 4px 15px rgba(16, 185, 129, 0.3);
    transition: transform var(--transition-fast), box-shadow var(--transition-fast), filter var(--transition-fast);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(16, 185, 129, 0.4);
    filter: brightness(1.1);
}

.btn-bag {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--text-main);
    color: var(--bg-surface);
    text-decoration: none;
    padding: 12px 24px;
    border-radius: 99px;
    font-weight: 700;
    font-size: 16px;
    transition: all var(--transition-fast);
}

.btn-bag:hover {
    background: var(--brand-primary);
    color: #FFFFFF;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(16, 185, 129, 0.3);
}

.hero {
    padding-top: 80px;
    padding-bottom: 80px;
    overflow: hidden;
}

.hero-inner {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 64px;
    align-items: center;
}

.hero-title {
    font-size: 72px;
    line-height: 1.05;
    font-weight: 900;
    margin-bottom: 24px;
    letter-spacing: -2px;
    color: var(--text-main);
}

.highlight {
    background: linear-gradient(135deg, var(--brand-primary), var(--brand-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.subtitle {
    font-size: 20px;
    color: var(--text-muted);
    margin-bottom: 40px;
    max-width: 90%;
    line-height: 1.6;
}

.hero-visual {
    position: relative;
    height: 400px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.abstract-shape {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--brand-primary), var(--brand-secondary));
    border-radius: 40% 60% 70% 30% / 40% 50% 60% 50%;
    animation: morph 8s ease-in-out infinite;
    opacity: 0.15;
    position: absolute;
    top: 0;
    left: 0;
    z-index: 1;
}

.hero-emoji {
    position: absolute;
    font-size: 140px;
    z-index: 10;
    animation: float 6s ease-in-out infinite;
    text-shadow: 0 20px 40px rgba(0,0,0,0.15);
}

.floating-element {
    position: absolute;
    font-size: 32px;
    opacity: 0;
    animation: floatUp linear infinite;
    z-index: 5;
    pointer-events: none;
    filter: drop-shadow(0 4px 8px rgba(0,0,0,0.1));
}

@keyframes floatUp {
    0% { transform: translateY(120px) rotate(-15deg) scale(0.8); opacity: 0; }
    20% { opacity: 0.8; }
    80% { opacity: 0.8; }
    100% { transform: translateY(-120px) rotate(15deg) scale(1.1); opacity: 0; }
}

@keyframes morph {
    0%, 100% { border-radius: 40% 60% 70% 30% / 40% 50% 60% 50%; }
    34% { border-radius: 70% 30% 50% 50% / 30% 30% 70% 70%; }
    67% { border-radius: 100% 60% 60% 100% / 100% 100% 60% 60%; }
}

@keyframes float {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(5deg); }
}

.products-section {
    padding-top: 100px;
    padding-bottom: 100px;
}

.section-header {
    text-align: center;
    max-width: 600px;
    margin: 0 auto 64px auto;
}

.section-title {
    font-size: 48px;
    font-weight: 900;
    margin-bottom: 16px;
    letter-spacing: -1.5px;
}

.section-subtitle {
    font-size: 18px;
    color: var(--text-muted);
}

.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 32px;
}

.product-card {
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: transform var(--transition-fast), box-shadow var(--transition-fast), border-color var(--transition-fast), background-color var(--transition-fast);
    box-shadow: var(--shadow-sm);
    position: relative;
}

.product-card::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: inherit;
    padding: 2px;
    background: linear-gradient(135deg, var(--glass-border), transparent);
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    pointer-events: none;
}

.product-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-md);
    border-color: var(--brand-primary);
}

.product-image {
    height: 240px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 96px;
    border-bottom: 1px solid var(--border-color);
}

[data-theme="dark"] .mock-img-1 { background: linear-gradient(135deg, #7F1D1D, #450A0A); }
[data-theme="dark"] .mock-img-2 { background: linear-gradient(135deg, #78350F, #451A03); }
[data-theme="dark"] .mock-img-3 { background: linear-gradient(135deg, #064E3B, #022C22); }
[data-theme="dark"] .mock-img-4 { background: linear-gradient(135deg, #1E3A8A, #172554); }

.mock-img-1 { background: linear-gradient(135deg, #FFD1D1, #FFE8E8); }
.mock-img-2 { background: linear-gradient(135deg, #FDE68A, #FEF3C7); }
.mock-img-3 { background: linear-gradient(135deg, #A7F3D0, #D1FAE5); }
.mock-img-4 { background: linear-gradient(135deg, #BFDBFE, #DBEAFE); }

.product-details {
    padding: 32px 24px;
}

.product-details h3 {
    font-size: 22px;
    font-weight: 800;
    margin-bottom: 12px;
}

.product-details p {
    color: var(--text-muted);
    font-size: 15px;
    margin-bottom: 24px;
    line-height: 1.5;
    height: 68px;
    overflow: hidden;
}

.price-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 16px;
}

.price {
    font-size: 24px;
    font-weight: 900;
    color: var(--text-main);
}

.about-section {
    padding-top: 100px;
    padding-bottom: 100px;
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    background: var(--text-main);
    color: var(--bg-surface);
    border-radius: 32px;
    padding: 80px;
    box-shadow: var(--shadow-md);
    transition: background-color var(--transition-fast), color var(--transition-fast);
    position: relative;
    overflow: hidden;
}

.about-text h2 {
    font-size: 48px;
    font-weight: 900;
    margin-bottom: 24px;
    letter-spacing: -1px;
}

.about-text p {
    font-size: 18px;
    opacity: 0.85;
    margin-bottom: 24px;
    line-height: 1.7;
}

.about-stats {
    display: flex;
    gap: 24px;
    align-items: center;
    justify-content: center;
}

.stat-box {
    background: var(--stat-bg);
    padding: 40px 32px;
    border-radius: var(--radius-lg);
    text-align: center;
    width: 100%;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
}

.stat-number {
    display: block;
    font-size: 56px;
    font-weight: 900;
    margin-bottom: 8px;
    color: var(--brand-primary);
}

.stat-label {
    font-size: 16px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.checkout-section {
    min-height: 70vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding-top: 64px;
    padding-bottom: 64px;
}

.checkout-box {
    width: 100%;
    max-width: 500px;
    background: var(--bg-surface);
    padding: 48px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-color);
    transition: background-color var(--transition-fast), border-color var(--transition-fast);
}

.checkout-header h2 {
    font-size: 32px;
    font-weight: 900;
    letter-spacing: -0.5px;
}

.form-group { margin-bottom: 24px; text-align: left; }
.form-group label {
    display: block;
    font-size: 14px;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--text-main);
}
.form-group input {
    width: 100%;
    padding: 16px;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: 16px;
    font-family: 'Outfit', sans-serif;
    transition: all var(--transition-fast);
    background: var(--bg-primary);
    color: var(--text-main);
}
.form-group input:focus {
    outline: none;
    border-color: var(--brand-primary);
    background: var(--bg-surface);
    box-shadow: 0 0 0 4px rgba(16, 185, 129, 0.15);
}

.error-box {
    background: var(--error-bg);
    color: var(--error-text);
    padding: 16px;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 15px;
    text-align: center;
}

.success-message h2 { font-size: 32px; font-weight: 900; margin-bottom: 8px; }
.success-emoji { font-size: 64px; margin-bottom: 16px; }

.site-footer {
    padding-top: 64px;
    padding-bottom: 40px;
    border-top: 1px solid var(--border-color);
    background: var(--bg-surface);
    transition: background-color var(--transition-fast), border-color var(--transition-fast);
}

.footer-inner {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
}

.footer-brand .brand-text {
    font-size: 24px;
    font-weight: 900;
    color: var(--text-main);
}

.footer-links {
    color: var(--text-muted);
    font-weight: 500;
}

.theme-controls {
    display: flex;
    align-items: center;
    gap: 16px;
}

.theme-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    border: 2px solid var(--border-color);
    background: var(--bg-primary);
    color: var(--text-main);
    cursor: pointer;
    font-size: 20px;
    transition: all var(--transition-fast);
}

.theme-toggle:hover {
    border-color: var(--brand-primary);
    transform: rotate(15deg);
}

.d-none { display: none !important; }
.mt-8 { margin-top: 8px; }
.mt-16 { margin-top: 16px; }
.mt-32 { margin-top: 32px; }
.text-center { text-align: center; }
.text-muted { color: var(--text-muted); }
.btn-block { width: 100%; }
.micro-text { font-size: 14px; color: var(--text-muted); }
.loading-state { opacity: 0.7; pointer-events: none; transform: scale(0.98); }

.fade-up {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}
.fade-up.visible {
    opacity: 1;
    transform: translateY(0);
}

@media (max-width: 768px) {
    .container { padding: 0 24px; }
    .hero { padding-top: 48px; padding-bottom: 48px; }
    .hero-inner, .about-grid { grid-template-columns: 1fr; gap: 48px; }
    .hero-title { font-size: 48px; }
    .hero-visual { height: 300px; order: -1; }
    .products-section { padding-top: 64px; padding-bottom: 64px; }
    .about-section { padding-top: 64px; padding-bottom: 64px; }
    .about-grid { padding: 48px 24px; }
    .about-stats { flex-direction: column; }
    .section-title { font-size: 36px; }
    .checkout-section { padding-top: 48px; padding-bottom: 48px; }
    .checkout-box { padding: 40px 24px; }
    .main-nav a:not(.btn-outline) { display: none; }
    .main-nav { gap: 16px; }
    .btn-outline { padding: 8px 16px; font-size: 15px; }
    .footer-inner { flex-direction: column; align-items: flex-start; gap: 32px; }
    .theme-controls { margin-top: 16px; }
}

@media (max-width: 480px) {
    .container { padding: 0 20px; }
}