/* ==========================================================================
   Design Tokens & CSS Variables - Aurora Sophisticated Palette
   Xanh (Blue), Đỏ (Red), Tím (Purple), Vàng (Gold) Tinh Tế & Sang Trọng
   ========================================================================== */
:root {
    /* Backgrounds */
    --bg-primary: #0b0914;
    --bg-surface: rgba(22, 18, 38, 0.72);
    --bg-surface-elevated: rgba(35, 28, 58, 0.85);
    --bg-surface-subtle: rgba(18, 14, 30, 0.65);
    
    /* Text Colors */
    --text-main: #fbf9ff;
    --text-muted: #c4bcd8;
    --text-subtle: #8980a3;

    /* 4-Color Harmonious Palette */
    --color-blue: #3b82f6;       /* Xanh dương sapphire */
    --color-blue-glow: #60a5fa;
    --color-red: #f43f5e;        /* Đỏ ruby rực rỡ */
    --color-red-glow: #fb7185;
    --color-purple: #a855f7;     /* Tím thạch anh huyền bí */
    --color-purple-glow: #c084fc;
    --color-yellow: #fbbf24;     /* Vàng hổ phách kim loại */
    --color-yellow-glow: #fde047;

    /* Gradients */
    --gradient-aurora: linear-gradient(135deg, #f43f5e 0%, #a855f7 35%, #3b82f6 70%, #fbbf24 100%);
    --gradient-btn: linear-gradient(135deg, #a855f7, #f43f5e, #fbbf24);
    --gradient-accent: linear-gradient(135deg, #3b82f6, #a855f7);

    /* Glassmorphic Borders & Shadows */
    --border-glass: rgba(255, 255, 255, 0.12);
    --border-color-glow: rgba(168, 85, 247, 0.35);
    --shadow-soft: 0 15px 35px rgba(0, 0, 0, 0.55);
    --shadow-glow: 0 0 30px rgba(168, 85, 247, 0.25);

    /* Typography */
    --font-heading: 'Playfair Display', serif;
    --font-body: 'Plus Jakarta Sans', sans-serif;

    /* Radii */
    --radius-sm: 10px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --radius-full: 9999px;

    --transition: all 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

/* ==========================================================================
   Reset & Ambient Background
   ========================================================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

body {
    background-color: var(--bg-primary);
    color: var(--text-main);
    font-family: var(--font-body);
    line-height: 1.65;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    position: relative;
    /* Sophisticated Aurora Background Mesh */
    background-image: 
        radial-gradient(at 0% 0%, rgba(244, 63, 94, 0.18) 0px, transparent 50%),
        radial-gradient(at 100% 15%, rgba(168, 85, 247, 0.22) 0px, transparent 50%),
        radial-gradient(at 10% 60%, rgba(59, 130, 246, 0.18) 0px, transparent 50%),
        radial-gradient(at 90% 85%, rgba(251, 191, 36, 0.16) 0px, transparent 50%);
    background-attachment: fixed;
}

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

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

button, input, textarea, select {
    font-family: inherit;
    border: none;
    outline: none;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

.section {
    padding: 95px 0;
    position: relative;
}

.text-center {
    text-align: center;
}

/* ==========================================================================
   Typography & Accents
   ========================================================================== */
.section-tag {
    display: inline-block;
    background: linear-gradient(90deg, var(--color-yellow), var(--color-red), var(--color-purple));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    font-size: 0.85rem;
    font-weight: 700;
    letter-spacing: 2.5px;
    text-transform: uppercase;
    margin-bottom: 14px;
}

.section-title {
    font-family: var(--font-heading);
    font-size: 2.6rem;
    font-weight: 700;
    color: var(--text-main);
    line-height: 1.25;
    margin-bottom: 16px;
}

.section-subtitle {
    color: var(--text-muted);
    font-size: 1.05rem;
    max-width: 640px;
    margin: 0 auto;
}

.paragraph {
    color: var(--text-muted);
    font-size: 1.05rem;
    line-height: 1.85;
    margin-bottom: 22px;
}

/* ==========================================================================
   Buttons with Color Harmony
   ========================================================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 14px 28px;
    font-size: 0.95rem;
    font-weight: 600;
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: var(--transition);
    position: relative;
    z-index: 1;
}

.btn-primary {
    background: linear-gradient(135deg, #ec4899, #8b5cf6, #3b82f6);
    color: #ffffff;
    box-shadow: 0 8px 25px rgba(236, 72, 153, 0.35);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 30px rgba(139, 92, 246, 0.5);
    background: linear-gradient(135deg, #f43f5e, #a855f7, #60a5fa);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.08);
    color: var(--text-main);
    backdrop-filter: blur(12px);
    border: 1px solid var(--border-glass);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.16);
    border-color: rgba(255, 255, 255, 0.25);
    transform: translateY(-2px);
}

.btn-outline {
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(251, 191, 36, 0.4);
    color: var(--color-yellow);
}

.btn-outline:hover {
    background: rgba(251, 191, 36, 0.12);
    border-color: var(--color-yellow);
    box-shadow: 0 0 15px rgba(251, 191, 36, 0.25);
}

.btn-block {
    width: 100%;
}

/* ==========================================================================
   Header & Navigation
   ========================================================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(11, 9, 20, 0.75);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-glass);
    transition: var(--transition);
}

.nav-container {
    height: 78px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--text-main);
    letter-spacing: -0.5px;
}

.logo-icon {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--color-red), var(--color-purple), var(--color-blue));
    color: #ffffff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.15rem;
    box-shadow: 0 0 15px rgba(168, 85, 247, 0.4);
}

.logo-text strong {
    background: linear-gradient(90deg, var(--color-purple-glow), var(--color-yellow));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    font-weight: 800;
}

.nav-menu {
    display: flex;
    gap: 32px;
}

.nav-link {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-muted);
    transition: var(--transition);
    position: relative;
}

.nav-link:hover {
    color: #ffffff;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--color-red), var(--color-purple), var(--color-blue), var(--color-yellow));
    transition: var(--transition);
}

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

.nav-actions {
    display: flex;
    align-items: center;
    gap: 16px;
}

.cart-btn {
    position: relative;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.06);
    color: var(--text-main);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    border: 1px solid var(--border-glass);
    transition: var(--transition);
}

.cart-btn:hover {
    background: rgba(168, 85, 247, 0.18);
    border-color: var(--color-purple);
    color: var(--color-purple-glow);
    box-shadow: 0 0 18px rgba(168, 85, 247, 0.3);
}

.cart-badge {
    position: absolute;
    top: -4px;
    right: -4px;
    background: linear-gradient(135deg, var(--color-red), var(--color-purple));
    color: #fff;
    font-size: 0.72rem;
    font-weight: 700;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 2px 8px rgba(244, 63, 94, 0.5);
}

.menu-toggle {
    display: none;
    background: transparent;
    color: var(--text-main);
    font-size: 1.4rem;
    cursor: pointer;
}

/* ==========================================================================
   Hero Section
   ========================================================================== */
.hero {
    min-height: 100vh;
    padding-top: 145px;
    padding-bottom: 75px;
    position: relative;
    display: flex;
    align-items: center;
}

.hero-content {
    max-width: 840px;
    position: relative;
    z-index: 2;
}

.tagline {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 7px 18px;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(168, 85, 247, 0.35);
    border-radius: var(--radius-full);
    color: var(--color-yellow);
    font-size: 0.88rem;
    font-weight: 600;
    margin-bottom: 24px;
    backdrop-filter: blur(10px);
    box-shadow: 0 0 20px rgba(168, 85, 247, 0.15);
}

.hero-title {
    font-family: var(--font-heading);
    font-size: 3.9rem;
    line-height: 1.15;
    font-weight: 700;
    margin-bottom: 24px;
}

.hero-title .highlight {
    background: linear-gradient(135deg, var(--color-yellow) 0%, var(--color-red) 35%, var(--color-purple) 70%, var(--color-blue) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-desc {
    color: var(--text-muted);
    font-size: 1.2rem;
    line-height: 1.85;
    margin-bottom: 38px;
    max-width: 700px;
}

.hero-btns {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    margin-bottom: 60px;
}

.hero-stats {
    display: flex;
    gap: 50px;
    padding-top: 32px;
    border-top: 1px solid var(--border-glass);
}

.stat-item {
    display: flex;
    flex-direction: column;
}

.stat-num {
    font-size: 1.9rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--color-yellow), var(--color-red));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    font-family: var(--font-heading);
}

.stat-label {
    color: var(--text-subtle);
    font-size: 0.85rem;
    font-weight: 500;
}

/* ==========================================================================
   About Section
   ========================================================================== */
.about {
    background: rgba(18, 14, 32, 0.45);
    backdrop-filter: blur(20px);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1.15fr;
    gap: 60px;
    align-items: center;
}

.about-image-card {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-soft);
    border: 1px solid var(--border-glass);
}

.about-img {
    width: 100%;
    height: 490px;
    object-fit: cover;
    transition: transform 0.6s ease;
}

.about-image-card:hover .about-img {
    transform: scale(1.04);
}

.experience-badge {
    position: absolute;
    bottom: 24px;
    left: 24px;
    right: 24px;
    padding: 18px 22px;
    background: rgba(11, 9, 20, 0.88);
    backdrop-filter: blur(16px);
    border-radius: var(--radius-md);
    border: 1px solid rgba(168, 85, 247, 0.35);
    display: flex;
    align-items: center;
    gap: 16px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.6);
}

.exp-years {
    font-family: var(--font-heading);
    font-size: 2.3rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--color-yellow), var(--color-red));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.exp-text {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-main);
    line-height: 1.35;
}

.about-features {
    margin-top: 32px;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.feat-item {
    display: flex;
    gap: 16px;
    align-items: flex-start;
    padding: 16px;
    border-radius: var(--radius-sm);
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: var(--transition);
}

.feat-item:hover {
    background: rgba(255, 255, 255, 0.06);
    border-color: rgba(168, 85, 247, 0.25);
}

.feat-icon {
    font-size: 1.3rem;
    color: var(--color-purple);
    margin-top: 2px;
}

.feat-item h4 {
    font-size: 1.05rem;
    font-weight: 600;
    margin-bottom: 4px;
}

.feat-item p {
    font-size: 0.9rem;
    color: var(--text-muted);
}

/* ==========================================================================
   Products Section
   ========================================================================== */
.filter-tabs {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin: 36px 0 50px;
}

.filter-btn {
    padding: 10px 24px;
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-muted);
    border-radius: var(--radius-full);
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    border: 1px solid var(--border-glass);
    transition: var(--transition);
}

.filter-btn.active, .filter-btn:hover {
    background: linear-gradient(135deg, var(--color-purple), var(--color-blue));
    color: #ffffff;
    border-color: transparent;
    box-shadow: 0 4px 15px rgba(168, 85, 247, 0.35);
}

.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(290px, 1fr));
    gap: 30px;
}

.product-card {
    background: var(--bg-surface);
    backdrop-filter: blur(16px);
    border-radius: var(--radius-md);
    overflow: hidden;
    border: 1px solid var(--border-glass);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
}

.product-card:hover {
    transform: translateY(-8px);
    border-color: rgba(168, 85, 247, 0.45);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.5), 0 0 25px rgba(168, 85, 247, 0.2);
}

.product-thumb {
    position: relative;
    height: 220px;
    overflow: hidden;
}

.product-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

.product-card:hover .product-thumb img {
    transform: scale(1.08);
}

.product-badge {
    position: absolute;
    top: 12px;
    left: 12px;
    background: rgba(11, 9, 20, 0.88);
    backdrop-filter: blur(10px);
    color: var(--color-yellow);
    padding: 5px 12px;
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 700;
    border: 1px solid rgba(251, 191, 36, 0.4);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.4);
}

.product-body {
    padding: 22px;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.product-title {
    font-size: 1.18rem;
    font-weight: 700;
    margin-bottom: 6px;
    color: var(--text-main);
}

.product-origin {
    color: var(--color-purple-glow);
    font-size: 0.82rem;
    font-weight: 600;
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 6px;
}

.product-notes {
    font-size: 0.86rem;
    color: var(--text-muted);
    margin-bottom: 18px;
    line-height: 1.55;
    flex-grow: 1;
}

.product-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 16px;
    border-top: 1px solid var(--border-glass);
}

.product-price {
    font-size: 1.25rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--color-yellow), var(--color-red-glow));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.add-cart-btn {
    width: 42px;
    height: 42px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.08);
    color: var(--text-main);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    border: 1px solid var(--border-glass);
    transition: var(--transition);
}

.add-cart-btn:hover {
    background: linear-gradient(135deg, var(--color-red), var(--color-purple));
    border-color: transparent;
    color: #ffffff;
    transform: scale(1.1);
    box-shadow: 0 0 15px rgba(244, 63, 94, 0.4);
}

/* ==========================================================================
   Why Us (Features)
   ========================================================================== */
.why-us {
    background: rgba(15, 11, 26, 0.5);
    backdrop-filter: blur(15px);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 26px;
    margin-top: 50px;
}

.feature-box {
    background: var(--bg-surface);
    backdrop-filter: blur(16px);
    padding: 34px 26px;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-glass);
    transition: var(--transition);
}

.feature-box:hover {
    border-color: rgba(59, 130, 246, 0.45);
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5), 0 0 20px rgba(59, 130, 246, 0.15);
}

.feature-icon {
    width: 52px;
    height: 52px;
    border-radius: var(--radius-sm);
    background: linear-gradient(135deg, rgba(244, 63, 94, 0.15), rgba(168, 85, 247, 0.25));
    color: var(--color-yellow);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.45rem;
    margin-bottom: 22px;
    border: 1px solid rgba(251, 191, 36, 0.25);
}

.feature-box h3 {
    font-size: 1.18rem;
    font-weight: 700;
    margin-bottom: 12px;
}

.feature-box p {
    font-size: 0.9rem;
    color: var(--text-muted);
    line-height: 1.65;
}

/* ==========================================================================
   Reviews
   ========================================================================== */
.reviews-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 28px;
    margin-top: 50px;
}

.review-card {
    background: var(--bg-surface);
    backdrop-filter: blur(16px);
    padding: 32px;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-glass);
    display: flex;
    flex-direction: column;
    transition: var(--transition);
}

.review-card:hover {
    border-color: rgba(251, 191, 36, 0.35);
    transform: translateY(-4px);
}

.stars {
    color: var(--color-yellow);
    font-size: 0.88rem;
    margin-bottom: 16px;
    letter-spacing: 2px;
}

.review-text {
    font-size: 0.95rem;
    color: var(--text-muted);
    font-style: italic;
    line-height: 1.75;
    margin-bottom: 26px;
    flex-grow: 1;
}

.reviewer {
    display: flex;
    align-items: center;
    gap: 14px;
}

.reviewer-avatar {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--color-blue), var(--color-purple));
    color: #ffffff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    box-shadow: 0 0 12px rgba(168, 85, 247, 0.4);
}

.reviewer-name {
    font-size: 0.95rem;
    font-weight: 700;
}

.reviewer-title {
    font-size: 0.78rem;
    color: var(--text-subtle);
}

/* ==========================================================================
   Contact & Direct Order
   ========================================================================== */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
}

.contact-details {
    margin: 32px 0;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 16px;
}

.contact-icon {
    width: 46px;
    height: 46px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.06);
    color: var(--color-yellow);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.15rem;
    border: 1px solid rgba(251, 191, 36, 0.3);
}

.contact-item .label {
    display: block;
    font-size: 0.8rem;
    color: var(--text-subtle);
}

.contact-item strong {
    font-size: 1.05rem;
    color: var(--text-main);
}

.social-links {
    display: flex;
    gap: 12px;
    margin-top: 26px;
}

.social-btn {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid var(--border-glass);
    color: var(--text-muted);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.social-btn:hover {
    background: linear-gradient(135deg, var(--color-purple), var(--color-blue));
    color: #ffffff;
    transform: translateY(-3px);
    box-shadow: 0 0 15px rgba(59, 130, 246, 0.35);
}

.contact-form-wrap {
    background: var(--bg-surface);
    backdrop-filter: blur(20px);
    padding: 38px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-glass);
    box-shadow: var(--shadow-soft);
}

.contact-form h3 {
    font-size: 1.45rem;
    margin-bottom: 6px;
}

.form-sub {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-bottom: 26px;
}

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

.form-group label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--text-muted);
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 13px 18px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-sm);
    color: var(--text-main);
    font-size: 0.95rem;
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    border-color: var(--color-purple);
    background: rgba(255, 255, 255, 0.09);
    box-shadow: 0 0 15px rgba(168, 85, 247, 0.3);
}

/* ==========================================================================
   Cart Drawer Modal
   ========================================================================== */
.cart-modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.75);
    backdrop-filter: blur(8px);
    z-index: 2000;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
}

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

.cart-drawer {
    position: absolute;
    top: 0;
    right: 0;
    width: 100%;
    max-width: 440px;
    height: 100%;
    background: #140f24;
    display: flex;
    flex-direction: column;
    transform: translateX(100%);
    transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    box-shadow: -10px 0 45px rgba(0, 0, 0, 0.75);
    border-left: 1px solid var(--border-glass);
}

.cart-modal-overlay.open .cart-drawer {
    transform: translateX(0);
}

.cart-drawer-header {
    padding: 22px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid var(--border-glass);
}

.cart-drawer-header h3 {
    font-size: 1.25rem;
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text-main);
}

.close-cart-btn {
    background: transparent;
    color: var(--text-muted);
    font-size: 1.9rem;
    cursor: pointer;
    line-height: 1;
}

.cart-items {
    padding: 20px 24px;
    flex-grow: 1;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.empty-cart-msg {
    text-align: center;
    color: var(--text-subtle);
    margin: auto 0;
    font-size: 0.95rem;
}

.cart-item {
    display: flex;
    gap: 14px;
    align-items: center;
    padding-bottom: 14px;
    border-bottom: 1px solid var(--border-glass);
}

.cart-item-img {
    width: 62px;
    height: 62px;
    border-radius: var(--radius-sm);
    object-fit: cover;
}

.cart-item-info {
    flex-grow: 1;
}

.cart-item-title {
    font-size: 0.92rem;
    font-weight: 700;
    margin-bottom: 2px;
}

.cart-item-price {
    font-size: 0.85rem;
    color: var(--color-yellow);
}

.cart-item-qty-wrap {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-top: 6px;
}

.qty-btn {
    width: 24px;
    height: 24px;
    border-radius: 4px;
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-main);
    cursor: pointer;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
}

.qty-num {
    font-size: 0.85rem;
    font-weight: 600;
    min-width: 18px;
    text-align: center;
}

.cart-drawer-footer {
    padding: 22px 24px;
    border-top: 1px solid var(--border-glass);
    background: rgba(11, 8, 20, 0.95);
}

.cart-total-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 18px;
    font-size: 1.05rem;
}

.cart-total-price {
    font-size: 1.35rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--color-yellow), var(--color-red));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* ==========================================================================
   Footer
   ========================================================================== */
.footer {
    background: #08060f;
    padding: 55px 0 35px;
    border-top: 1px solid var(--border-glass);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}

.footer-brand p {
    color: var(--text-subtle);
    font-size: 0.88rem;
    margin-top: 8px;
}

.footer-copy {
    color: var(--text-subtle);
    font-size: 0.85rem;
}

/* ==========================================================================
   Toast Notification
   ========================================================================== */
.toast {
    position: fixed;
    bottom: 24px;
    right: 24px;
    padding: 14px 24px;
    background: rgba(26, 19, 46, 0.95);
    color: var(--text-main);
    border: 1px solid var(--color-purple);
    border-radius: var(--radius-md);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.6), 0 0 20px rgba(168, 85, 247, 0.3);
    z-index: 3000;
    opacity: 0;
    transform: translateY(20px);
    transition: var(--transition);
    pointer-events: none;
    font-size: 0.92rem;
    font-weight: 600;
}

.toast.show {
    opacity: 1;
    transform: translateY(0);
}

/* ==========================================================================
   Responsive Breakpoints
   ========================================================================== */
@media (max-width: 992px) {
    .hero-title {
        font-size: 2.9rem;
    }
    .about-grid, .contact-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    .about-img {
        height: 360px;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 78px;
        left: 0;
        width: 100%;
        background: #140f24;
        flex-direction: column;
        padding: 24px;
        gap: 20px;
        border-bottom: 1px solid var(--border-glass);
        transform: translateY(-150%);
        transition: var(--transition);
    }
    .nav-menu.open {
        transform: translateY(0);
    }
    .menu-toggle {
        display: block;
    }
    .nav-phone {
        display: none;
    }
    .hero-title {
        font-size: 2.3rem;
    }
    .hero-stats {
        gap: 24px;
    }
    .stat-num {
        font-size: 1.5rem;
    }
    .section {
        padding: 65px 0;
    }
    .footer-content {
        flex-direction: column;
        text-align: center;
    }
}