/* ==========================================================================
   CircleZ Corporate Retail Official Style System
   Vanilla CSS Design System (Aesthetics: Obsidian Cyber-Premium)
   ========================================================================== */

/* --- ROOT VARIABLES (Design System Tokens) --- */
:root {
    /* Fonts */
    --font-heading: 'Outfit', 'Noto Sans SC', sans-serif;
    --font-body: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;

    /* Spacing */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 2rem;
    --space-lg: 4rem;
    --space-xl: 8rem;

    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --radius-full: 9999px;

    /* Transitions */
    --transition-fast: 0.2s cubic-bezier(0.16, 1, 0.3, 1);
    --transition-smooth: 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    --transition-slow: 0.8s cubic-bezier(0.16, 1, 0.3, 1);

    /* --- Theme: Golden Slate-White (Default) --- */
    --bg-primary: #ffffff;
    --bg-secondary: #f8fafc;
    --bg-tertiary: #f1f5f9;
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-muted: #64748b;
    --accent-primary: #fbb03a;
    --accent-secondary: #ff7a00;
    --accent-primary-rgb: 251, 176, 58;
    --accent-secondary-rgb: 255, 122, 0;
    
    --border-color: rgba(15, 23, 42, 0.08);
    --border-hover: rgba(15, 23, 42, 0.16);
    --glass-bg: rgba(255, 255, 255, 0.75);
    --glass-border: rgba(15, 23, 42, 0.08);
    --shadow-main: 0 20px 40px rgba(15, 23, 42, 0.06);
    --shadow-inset: inset 0 1px 1px rgba(255, 255, 255, 0.8);

    /* Button text override for light theme */
    --btn-text-primary: #ffffff;

    /* Footer styling variables for light theme (Clean light footer) */
    --footer-bg: #ffffff;
    --footer-text: var(--text-secondary);
    --footer-title: var(--text-primary);
    --footer-border: var(--border-color);
    --footer-link-hover: var(--accent-secondary);
}

/* --- Theme Override: Dark Mode --- */
body.dark-theme {
    --bg-primary: #07090e;
    --bg-secondary: #0f1320;
    --bg-tertiary: #171d31;
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    --accent-primary: #fbb03a;
    --accent-secondary: #ff7a00;
    --accent-primary-rgb: 251, 176, 58;
    --accent-secondary-rgb: 255, 122, 0;
    
    --border-color: rgba(255, 255, 255, 0.08);
    --border-hover: rgba(255, 255, 255, 0.16);
    --glass-bg: rgba(15, 19, 32, 0.65);
    --glass-border: rgba(255, 255, 255, 0.08);
    --shadow-main: 0 20px 40px rgba(0, 0, 0, 0.6);
    --shadow-inset: inset 0 1px 1px rgba(255, 255, 255, 0.05);

    /* Button text override for dark theme */
    --btn-text-primary: #ffffff;

    /* Footer styling variables for dark theme (Dark slate footer) */
    --footer-bg: var(--bg-secondary);
    --footer-text: var(--text-secondary);
    --footer-title: var(--text-primary);
    --footer-border: var(--border-color);
    --footer-link-hover: var(--accent-primary);
}

/* --- GENERAL RESET & RESET-OVERLAYS --- */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
    height: 100%;
}

body {
    font-family: var(--font-body);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    transition: background-color var(--transition-smooth), color var(--transition-smooth);
    min-height: 100%;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}
::-webkit-scrollbar-track {
    background: var(--bg-primary);
}
::-webkit-scrollbar-thumb {
    background: var(--bg-tertiary);
    border-radius: var(--radius-full);
}
::-webkit-scrollbar-thumb:hover {
    background: var(--text-muted);
}

/* Grid & Layout Containers */
.container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--space-md);
}

section {
    padding: var(--space-lg) 0;
    position: relative;
}

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

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

/* --- BACKGROUND DECORATION --- */
.bg-glow {
    position: absolute;
    border-radius: var(--radius-full);
    filter: blur(160px);
    opacity: 0.15;
    pointer-events: none;
    z-index: 0;
    transition: opacity var(--transition-smooth);
}
.dark-theme .bg-glow {
    opacity: 0.25;
}
.bg-glow-1 {
    top: 10%;
    left: -10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(var(--accent-primary-rgb), 0.8) 0%, rgba(var(--accent-secondary-rgb), 0.2) 100%);
}
.bg-glow-2 {
    top: 50%;
    right: -10%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(var(--accent-secondary-rgb), 0.8) 0%, rgba(var(--accent-primary-rgb), 0.2) 100%);
}

/* --- TYPOGRAPHY & GRADIENTS --- */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.25;
    color: var(--text-primary);
}

.gradient-text {
    background: linear-gradient(135deg, var(--accent-primary) 0%, var(--accent-secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Section Header Styles */
.section-header {
    margin-bottom: var(--space-lg);
    text-align: center;
    position: relative;
    z-index: 1;
}
.section-title {
    font-size: 2.5rem;
    letter-spacing: -0.02em;
    margin-top: 0.5rem;
}
.section-subtitle {
    font-family: var(--font-heading);
    text-transform: uppercase;
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 0.2em;
    color: var(--accent-primary);
}
.text-center {
    text-align: center;
}

/* Badges */
.badge {
    display: inline-block;
    padding: 0.35rem 0.85rem;
    font-family: var(--font-heading);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    border-radius: var(--radius-full);
    background: rgba(var(--accent-primary-rgb), 0.15);
    color: var(--text-primary);
    border: 1px solid rgba(var(--accent-primary-rgb), 0.25);
    margin-bottom: var(--space-sm);
}

/* --- COMMON BUTTON COMPONENT --- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.85rem 1.85rem;
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.95rem;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent-primary) 0%, var(--accent-secondary) 100%);
    color: var(--btn-text-primary);
    box-shadow: 0 4px 20px rgba(var(--accent-primary-rgb), 0.3);
}
.btn-primary:hover {
    box-shadow: 0 6px 30px rgba(var(--accent-primary-rgb), 0.5);
    transform: translateY(-2px);
}
.btn-primary:active {
    transform: translateY(0);
}

.btn-secondary {
    background: var(--bg-secondary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-inset);
}
.btn-secondary:hover {
    border-color: var(--accent-primary);
    background: var(--bg-tertiary);
    transform: translateY(-2px);
}

.btn-sm {
    padding: 0.5rem 1.2rem;
    font-size: 0.85rem;
    border-radius: var(--radius-sm);
}

.btn-block {
    display: flex;
    width: 100%;
}

/* --- HEADER & NAVIGATION --- */
#main-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 80px;
    z-index: 100;
    display: flex;
    align-items: center;
    border-bottom: 1px solid var(--border-color);
    background-color: var(--glass-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    transition: background-color var(--transition-smooth), height var(--transition-smooth), border-color var(--transition-smooth);
}
#main-header.scrolled {
    height: 70px;
    box-shadow: var(--shadow-main);
    border-bottom-color: transparent;
}

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

/* Logo */
.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}
.logo-svg {
    height: 32px;
    width: 150px; /* Explicit width to match the aspect ratio of 371:79 */
    display: block;
    color: var(--text-primary);
    transition: opacity var(--transition-fast);
}
.logo:hover .logo-svg {
    opacity: 0.8;
}
.logo-text {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: -0.03em;
    color: var(--text-primary);
}

/* Nav Menu */
.desktop-nav .nav-list {
    display: flex;
    list-style: none;
    gap: 2rem;
}
.nav-link {
    font-family: var(--font-heading);
    font-weight: 500;
    font-size: 0.95rem;
    color: var(--text-secondary);
    position: relative;
    padding: 0.5rem 0;
}
.nav-link:hover, .nav-link.active {
    color: var(--text-primary);
}
.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--accent-primary), var(--accent-secondary));
    transition: width var(--transition-fast);
}
.nav-link:hover::after, .nav-link.active::after {
    width: 100%;
}

/* Header Actions */
.header-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}
.action-btn {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-full);
    border: 1px solid var(--border-color);
    background: var(--bg-secondary);
    color: var(--text-primary);
    cursor: pointer;
    transition: all var(--transition-fast);
    position: relative;
}
.action-btn:hover {
    border-color: var(--border-hover);
    background: var(--bg-tertiary);
    transform: scale(1.05);
}

/* Sun/Moon Toggle */
#theme-toggle .sun-icon {
    display: none;
}
#theme-toggle .moon-icon {
    display: block;
}
body.dark-theme #theme-toggle .sun-icon {
    display: block;
}
body.dark-theme #theme-toggle .moon-icon {
    display: none;
}

/* Shopping Cart Badge */
.cart-badge {
    position: absolute;
    top: -5px;
    right: -5px;
    width: 20px;
    height: 20px;
    background: var(--accent-primary);
    color: #000;
    font-family: var(--font-heading);
    font-size: 0.75rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-full);
    border: 2px solid var(--bg-secondary);
    transition: transform var(--transition-fast);
}
.cart-badge.pulse {
    transform: scale(1.3);
}

/* Mobile Menu Toggle */
.mobile-only {
    display: none;
}
#mobile-menu-btn {
    flex-direction: column;
    justify-content: center;
    gap: 5px;
}
#mobile-menu-btn .bar {
    width: 20px;
    height: 2px;
    background-color: var(--text-primary);
    transition: all var(--transition-fast);
}
#mobile-menu-btn.active .bar:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}
#mobile-menu-btn.active .bar:nth-child(2) {
    opacity: 0;
}
#mobile-menu-btn.active .bar:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* --- MOBILE MENU PANEL --- */
.mobile-nav-panel {
    position: fixed;
    top: 80px;
    left: 0;
    width: 100%;
    height: 0;
    background: var(--bg-primary);
    z-index: 99;
    overflow: hidden;
    transition: height var(--transition-smooth), top var(--transition-smooth);
}
.mobile-nav-panel.active {
    height: calc(100vh - 80px);
    border-bottom: 1px solid var(--border-color);
}
#main-header.scrolled + .mobile-nav-panel {
    top: 70px;
}
#main-header.scrolled + .mobile-nav-panel.active {
    height: calc(100vh - 70px);
}
.mobile-nav-list {
    list-style: none;
    padding: var(--space-md);
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}
.mobile-nav-link {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-secondary);
    display: block;
    padding: 0.5rem 0;
}
.mobile-nav-link:hover {
    color: var(--text-primary);
    padding-left: 10px;
}

/* --- SHOPPING CART DRAWER --- */
.cart-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background-color: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    z-index: 1000;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-smooth);
}
.cart-overlay.active {
    opacity: 1;
    pointer-events: all;
}

.cart-drawer {
    position: fixed;
    top: 0;
    right: -450px;
    width: 100%;
    max-width: 450px;
    height: 100vh;
    background: var(--bg-secondary);
    border-left: 1px solid var(--border-color);
    z-index: 1001;
    box-shadow: -10px 0 30px rgba(0,0,0,0.3);
    display: flex;
    flex-direction: column;
    transition: right var(--transition-smooth);
}
.cart-drawer.active {
    right: 0;
}

.cart-drawer-header {
    padding: var(--space-md);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.close-btn {
    font-size: 2rem;
    color: var(--text-secondary);
    cursor: pointer;
    transition: color var(--transition-fast);
}
.close-btn:hover {
    color: var(--text-primary);
}

.cart-drawer-content {
    flex: 1;
    overflow-y: auto;
    padding: var(--space-md);
}

.cart-empty-message {
    text-align: center;
    padding: var(--space-lg) 0;
    color: var(--text-secondary);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}

.cart-items-list {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}
.cart-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border-color);
}
.cart-item-img {
    width: 70px;
    height: 70px;
    border-radius: var(--radius-sm);
    background-color: #ffffff;
    object-fit: contain;
    padding: 5px;
    mix-blend-mode: multiply;
}
body.dark-theme .cart-item-img {
    mix-blend-mode: normal;
}
.cart-item-details {
    flex: 1;
}
.cart-item-title {
    font-size: 1rem;
    font-weight: 600;
}
.cart-item-price {
    color: var(--accent-primary);
    font-family: var(--font-heading);
    font-size: 0.9rem;
    font-weight: 500;
}
.cart-item-quantity {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-top: 0.5rem;
}
.qty-btn {
    width: 24px;
    height: 24px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    cursor: pointer;
    color: var(--text-secondary);
}
.qty-btn:hover {
    background-color: var(--bg-tertiary);
    color: var(--text-primary);
}
.remove-item-btn {
    color: var(--text-muted);
    font-size: 0.85rem;
    cursor: pointer;
    margin-left: auto;
    transition: color var(--transition-fast);
}
.remove-item-btn:hover {
    color: #ff4d4d;
}

.cart-drawer-footer {
    padding: var(--space-md);
    border-top: 1px solid var(--border-color);
    background: var(--bg-primary);
}
.cart-summary-line {
    display: flex;
    justify-content: space-between;
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: var(--space-md);
}
.cart-total-price {
    font-family: var(--font-heading);
    color: var(--accent-primary);
    font-size: 1.3rem;
}

.hidden {
    display: none !important;
}

/* --- HERO SECTION --- */
.hero-section {
    min-height: 90vh;
    display: flex;
    align-items: center;
    padding: 120px 0 80px;
    overflow: hidden;
}

.hero-container {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: var(--space-lg);
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-content {
    max-width: 650px;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    text-align: left;
}
.hero-title {
    font-size: 4.5rem;
    letter-spacing: -0.03em;
    line-height: 1.1;
    margin-bottom: var(--space-sm);
}
.hero-subtitle {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: var(--space-md);
    max-width: 100%;
}
.hero-ctas {
    display: flex;
    gap: 1rem;
    justify-content: flex-start;
}

/* Hero Visual & Product Image */
.hero-visual {
    display: flex;
    justify-content: center;
    position: relative;
}
.hero-image-wrapper {
    position: relative;
    width: 100%;
    max-width: 680px;
    display: flex;
    justify-content: center;
    align-items: center;
}
.hero-product-img {
    width: 100%;
    height: auto;
    object-fit: contain;
    position: relative;
    z-index: 2;
    filter: drop-shadow(0 20px 50px rgba(0, 0, 0, 0.25));
    animation: float 6s ease-in-out infinite;
    mix-blend-mode: multiply;
}
body.dark-theme .hero-product-img {
    mix-blend-mode: normal;
}
.circle-halo {
    position: absolute;
    width: 480px;
    height: 480px;
    border-radius: var(--radius-full);
    background: radial-gradient(circle, rgba(var(--accent-primary-rgb), 0.15) 0%, rgba(var(--accent-secondary-rgb), 0.05) 50%, transparent 100%);
    border: 1px solid rgba(var(--accent-primary-rgb), 0.1);
    z-index: 1;
    animation: pulseGlow 8s linear infinite;
}

/* Animations */
@keyframes float {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-15px) rotate(2deg); }
}
@keyframes pulseGlow {
    0%, 100% { transform: scale(1); opacity: 0.8; }
    50% { transform: scale(1.1); opacity: 1; }
}

/* --- CATEGORIES SECTION --- */
.categories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: var(--space-md);
}
.category-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--space-md);
    text-align: left;
    transition: all var(--transition-smooth);
    box-shadow: var(--shadow-inset);
    display: block;
}
.category-card:hover {
    border-color: var(--accent-primary);
    background: var(--bg-tertiary);
    transform: translateY(-8px) scale(1.02);
    box-shadow: var(--shadow-main);
}
.category-icon {
    font-size: 2.5rem;
    margin-bottom: var(--space-sm);
}
.category-card h3 {
    font-size: 1.35rem;
    margin-bottom: 0.35rem;
}
.category-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: var(--space-md);
}
.category-link-arrow {
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.85rem;
    color: var(--accent-primary);
}

/* --- PRODUCT CATALOG SECTION --- */
.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--space-md);
}
.product-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all var(--transition-smooth);
    position: relative;
    display: flex;
    flex-direction: column;
    box-shadow: var(--shadow-inset);
}
.product-card:hover {
    border-color: var(--accent-secondary);
    transform: translateY(-5px);
    box-shadow: var(--shadow-main);
}

.product-badge {
    position: absolute;
    top: var(--space-sm);
    left: var(--space-sm);
    background: rgba(var(--accent-secondary-rgb), 0.15);
    color: var(--accent-secondary);
    border: 1px solid rgba(var(--accent-secondary-rgb), 0.3);
    font-family: var(--font-heading);
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 0.25rem 0.65rem;
    border-radius: var(--radius-full);
    z-index: 5;
}

.product-img-holder {
    height: 300px;
    background-color: #ffffff;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-md);
    overflow: hidden;
    border-bottom: 1px solid var(--border-color);
}
.product-img {
    max-height: 90%;
    max-width: 90%;
    object-fit: contain;
    transition: transform var(--transition-smooth);
    mix-blend-mode: multiply;
}
body.dark-theme .product-img {
    mix-blend-mode: normal;
}
.product-card:hover .product-img {
    transform: scale(1.08);
}

.product-info {
    padding: var(--space-md);
    display: flex;
    flex-direction: column;
    flex: 1;
}

.product-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.5rem;
}
.product-category {
    font-family: var(--font-heading);
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}
.product-meta .rating {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.product-title {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}
.product-desc {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: var(--space-sm);
}

.product-specs-list {
    list-style: none;
    margin-bottom: var(--space-md);
    font-size: 0.9rem;
    color: var(--text-secondary);
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
}

.product-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: auto;
    padding-top: var(--space-sm);
    border-top: 1px solid var(--border-color);
}
.product-price {
    font-family: var(--font-heading);
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--accent-primary);
}

/* --- TECH SPECS SECTION --- */
.specs-section {
    background-color: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}
.specs-container {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-main);
}

.specs-tabs {
    display: flex;
    background-color: var(--bg-tertiary);
    border-bottom: 1px solid var(--border-color);
    overflow-x: auto;
}
.spec-tab-btn {
    flex: 1;
    padding: 1.2rem;
    font-family: var(--font-heading);
    font-weight: 600;
    color: var(--text-secondary);
    text-align: center;
    cursor: pointer;
    border-bottom: 3px solid transparent;
    transition: all var(--transition-fast);
    white-space: nowrap;
}
.spec-tab-btn:hover {
    color: var(--text-primary);
    background-color: rgba(255,255,255,0.02);
}
.spec-tab-btn.active {
    color: var(--accent-primary);
    border-bottom-color: var(--accent-primary);
    background-color: var(--bg-primary);
}

.spec-panel {
    display: none;
    padding: var(--space-lg) var(--space-md);
}
.spec-panel.active {
    display: block;
    animation: fadeIn var(--transition-smooth) forwards;
}

.spec-panel-grid {
    display: grid;
    grid-template-columns: 1fr 1.3fr;
    gap: var(--space-lg);
    align-items: center;
}

.spec-image-side {
    display: flex;
    justify-content: center;
    background: radial-gradient(circle, var(--bg-secondary) 0%, transparent 80%);
    padding: var(--space-md);
}
.spec-image-side img {
    max-width: 80%;
    height: auto;
    object-fit: contain;
}

.spec-table {
    width: 100%;
    border-collapse: collapse;
}
.spec-table tr {
    border-bottom: 1px solid var(--border-color);
}
.spec-table tr:last-child {
    border-bottom: none;
}
.spec-table th {
    text-align: left;
    padding: 1rem 0.5rem;
    color: var(--text-secondary);
    font-weight: 500;
    width: 35%;
}
.spec-table td {
    padding: 1rem 0.5rem;
    color: var(--text-primary);
    font-weight: 600;
}

/* --- VALUE PROPOSITION SECTION --- */
.values-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: var(--space-md);
}
.value-item {
    text-align: left;
    padding: var(--space-sm);
}
.value-icon {
    font-size: 2.2rem;
    margin-bottom: var(--space-sm);
    color: var(--accent-primary);
}
.value-item h4 {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
}
.value-item p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* --- TESTIMONIALS SECTION --- */
.testimonials-slider-container {
    max-width: 800px;
    margin: 0 auto;
    position: relative;
    padding: var(--space-md) 0;
}
.testimonials-wrapper {
    position: relative;
    overflow: hidden;
    min-height: 280px;
}
.testimonial-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    opacity: 0;
    transform: translateX(30px);
    pointer-events: none;
    transition: all var(--transition-smooth);
}
.testimonial-slide.active {
    position: relative;
    opacity: 1;
    transform: translateX(0);
    pointer-events: all;
}

.stars {
    font-size: 1.2rem;
    color: #ffb700;
    margin-bottom: var(--space-sm);
}
.review-text {
    font-size: 1.4rem;
    font-style: italic;
    line-height: 1.5;
    margin-bottom: var(--space-md);
    color: var(--text-primary);
}

.reviewer {
    display: flex;
    align-items: center;
    gap: 1rem;
}
.reviewer-avatar {
    width: 50px;
    height: 50px;
    border-radius: var(--radius-full);
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    color: #ffffff;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
}
.reviewer-name {
    font-size: 1rem;
    font-weight: 700;
}
.reviewer-tag {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.slider-controls {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1.5rem;
    margin-top: var(--space-md);
}
.slider-btn {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-full);
    border: 1px solid var(--border-color);
    background: var(--bg-secondary);
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 1.2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
}
.slider-btn:hover {
    border-color: var(--accent-primary);
    color: var(--text-primary);
    background: var(--bg-tertiary);
}
.slider-dots {
    display: flex;
    gap: 0.5rem;
}
.dot {
    width: 8px;
    height: 8px;
    border-radius: var(--radius-full);
    background-color: var(--text-muted);
    cursor: pointer;
    transition: all var(--transition-fast);
}
.dot.active {
    width: 24px;
    background-color: var(--accent-primary);
}

/* --- CONTACT SECTION --- */
.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-md);
    margin-top: var(--space-md);
}

.contact-info-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--space-md);
    text-align: center;
    transition: all var(--transition-smooth);
    box-shadow: var(--shadow-inset);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}

.contact-info-card:hover {
    border-color: var(--accent-primary);
    transform: translateY(-5px);
    box-shadow: var(--shadow-main);
}

.contact-icon {
    font-size: 3rem;
    line-height: 1;
}

.contact-info-card h3 {
    font-size: 1.35rem;
    font-family: var(--font-heading);
    color: var(--text-primary);
}

.contact-info-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.5;
}

.contact-link {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.1rem;
    color: var(--accent-primary);
    transition: color var(--transition-fast);
}

.contact-link:hover {
    color: var(--accent-secondary);
    text-decoration: underline;
}

.contact-address {
    font-style: normal;
    color: var(--text-primary);
    font-weight: 500;
    font-size: 0.95rem;
    line-height: 1.5;
}

/* --- FOOTER --- */
#main-footer {
    background-color: var(--footer-bg);
    border-top: 1px solid var(--footer-border);
    padding-top: var(--space-lg);
}

.footer-container {
    display: grid;
    grid-template-columns: 1.2fr 2fr;
    gap: var(--space-lg);
    padding-bottom: var(--space-lg);
}

.footer-brand {
    display: flex;
    flex-direction: column;
    gap: 1.2rem;
    max-width: 380px;
}
.footer-moto {
    color: var(--footer-text);
    font-size: 0.95rem;
}

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

.footer-link-col h5 {
    font-size: 1rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 1.2rem;
    color: var(--footer-title);
}
.footer-link-col ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}
.footer-link-col a {
    color: var(--footer-text);
    font-size: 0.9rem;
}
.footer-link-col a:hover {
    color: var(--footer-link-hover);
}

.footer-bottom {
    border-top: 1px solid var(--footer-border);
    padding: var(--space-sm) 0;
    font-size: 0.85rem;
    color: var(--footer-text);
}
.footer-bottom-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.footer-socials {
    display: flex;
    gap: 1.2rem;
    font-size: 1.2rem;
}
.footer-socials a:hover {
    transform: scale(1.1);
}

/* --- VIDEO MODAL & MOCK VIDEO --- */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background-color: rgba(0,0,0,0.85);
    backdrop-filter: blur(12px);
    z-index: 2000;
    display: none;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity var(--transition-smooth);
}
.modal.active {
    display: flex;
    opacity: 1;
}

.modal-content {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    width: 90%;
    max-width: 800px;
    padding: var(--space-md);
    position: relative;
    box-shadow: var(--shadow-main);
    transform: scale(0.9);
    transition: transform var(--transition-smooth);
}
.modal.active .modal-content {
    transform: scale(1);
}

.modal-close-btn {
    position: absolute;
    top: -45px;
    right: 0;
    font-size: 2.5rem;
    color: #fff;
    cursor: pointer;
    background: none;
}
.modal-close-btn:hover {
    color: var(--accent-primary);
}

.modal h3 {
    font-size: 1.25rem;
    margin-bottom: var(--space-sm);
    text-align: center;
}

.video-container {
    width: 100%;
    aspect-ratio: 16 / 9;
    border-radius: var(--radius-md);
    overflow: hidden;
    border: 1px solid var(--border-color);
}

/* Mock Player styling */
.mock-video-player {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #07090e 0%, #171d31 100%);
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    cursor: pointer;
}
.video-overlay-play {
    width: 80px;
    height: 80px;
    background: rgba(var(--accent-primary-rgb), 0.15);
    border: 2px solid var(--accent-primary);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
    box-shadow: 0 0 20px rgba(var(--accent-primary-rgb), 0.2);
    margin-bottom: var(--space-sm);
}
.play-triangle {
    width: 0;
    height: 0;
    border-style: solid;
    border-width: 12px 0 12px 20px;
    border-color: transparent transparent transparent #ffffff;
    margin-left: 5px;
}
.mock-video-player:hover .video-overlay-play {
    transform: scale(1.1);
    background: rgba(var(--accent-primary-rgb), 0.35);
    box-shadow: 0 0 30px rgba(var(--accent-primary-rgb), 0.6);
}
.mock-video-text {
    text-align: center;
    position: absolute;
    bottom: var(--space-md);
    width: 85%;
}
.mock-logo {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    font-weight: 800;
    color: #fff;
}
.mock-logo span {
    color: var(--accent-primary);
}
.mock-sub {
    font-size: 0.75rem;
    letter-spacing: 0.2em;
    color: var(--text-secondary);
    margin-top: 0.2rem;
}
.progress-bar-container {
    width: 100%;
    height: 4px;
    background-color: rgba(255,255,255,0.1);
    border-radius: 2px;
    margin-top: var(--space-sm);
    overflow: hidden;
}
.progress-bar-fill {
    width: 35%;
    height: 100%;
    background: linear-gradient(90deg, var(--accent-primary), var(--accent-secondary));
    animation: fakeLoading 10s linear infinite;
}
@keyframes fakeLoading {
    0% { width: 0%; }
    50% { width: 65%; }
    80% { width: 95%; }
    100% { width: 100%; }
}


/* --- ANIMATION CLASS AND KEYFRAMES --- */
.fade-in {
    opacity: 0;
    animation: fadeIn 1s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}
.fade-in-up {
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 1s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes fadeIn {
    to { opacity: 1; }
}
@keyframes fadeInUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Stagger animations for hero load */
.hero-content .badge { animation-delay: 0.1s; }
.hero-content .hero-title { animation-delay: 0.2s; }
.hero-content .hero-subtitle { animation-delay: 0.3s; }
.hero-content .hero-ctas { animation-delay: 0.4s; }
.hero-visual { animation-delay: 0.5s; }

/* Scroll reveal items initial state for JS observer */
.reveal-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity var(--transition-slow), transform var(--transition-slow);
}
.reveal-on-scroll.revealed {
    opacity: 1;
    transform: translateY(0);
}


/* --- ABOUT SECTION --- */
.about-section {
    background-color: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}
.about-container {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: var(--space-lg);
    align-items: center;
}
.about-text {
    font-size: 1.1rem;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-top: var(--space-sm);
}
.about-policy-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    padding: var(--space-md);
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
    box-shadow: var(--shadow-inset);
}
.policy-item {
    display: flex;
    gap: 1rem;
    align-items: flex-start;
}
.policy-icon {
    font-size: 1.5rem;
    padding: 0.5rem;
    background: rgba(var(--accent-primary-rgb), 0.1);
    color: var(--accent-primary);
    border-radius: var(--radius-sm);
    line-height: 1.2;
}
.policy-item h5 {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 0.25rem;
    color: var(--text-primary);
}
.policy-item p {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.5;
}


/* ==========================================================================
   MEDIA QUERIES (Responsive Design)
   ========================================================================== */

@media (max-width: 1024px) {
    html { font-size: 15px; }
    
    .hero-container {
        grid-template-columns: 1fr;
        gap: var(--space-md);
        text-align: center;
        padding-bottom: var(--space-md);
    }
    .hero-content {
        max-width: 100%;
        display: flex;
        flex-direction: column;
        align-items: center;
    }
    .hero-ctas {
        justify-content: center;
    }
    .hero-visual {
        order: -1;
        margin-bottom: var(--space-md);
    }
    .about-container {
        grid-template-columns: 1fr;
        gap: var(--space-md);
    }
    
    .footer-container {
        grid-template-columns: 1fr;
        gap: var(--space-md);
    }
}

@media (max-width: 768px) {
    html { font-size: 14px; }
    
    /* Navigation */
    .desktop-nav {
        display: none;
    }
    .mobile-only {
        display: flex;
    }
    
    .hero-title {
        font-size: 3.2rem;
    }
    
    .spec-panel-grid {
        grid-template-columns: 1fr;
        gap: var(--space-md);
    }
    .spec-image-side {
        order: -1;
    }
    .spec-table th {
        width: 45%;
    }
    
    .footer-links-grid {
        grid-template-columns: 1fr;
        gap: var(--space-md);
    }
    .footer-bottom-container {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .logo-svg {
        height: 26px;
        width: 122px; /* Explicit width matching aspect ratio on mobile */
    }
    .hero-title {
        font-size: 2.8rem;
    }
    .hero-ctas {
        flex-direction: column;
        width: 100%;
    }
    .hero-ctas .btn {
        width: 100%;
    }
    .form-row {
        grid-template-columns: 1fr;
    }
    .spec-tab-btn {
        padding: 0.8rem;
        font-size: 0.85rem;
    }
}