/* ============================================
   Existera - Medical Equipment Supplier
   Dark Modern Design (CECON-inspired)
   ============================================ */

/* CSS Variables */
:root {
    /* Dark Theme Colors */
    --color-bg-primary: #0a1628;
    --color-bg-secondary: #0f2140;
    --color-bg-tertiary: #152a4a;
    --color-bg-card: rgba(15, 33, 64, 0.8);
    --color-bg-glass: rgba(255, 255, 255, 0.05);

    /* Accent Colors */
    --color-accent: #3b82f6;
    --color-accent-light: #60a5fa;
    --color-accent-dark: #2563eb;
    --color-accent-subtle: rgba(59, 130, 246, 0.1);

    /* Teal accents (like CECON) */
    --color-teal: #14b8a6;
    --color-teal-light: #2dd4bf;
    --color-teal-dark: #0d9488;

    /* Text Colors */
    --color-text-primary: #ffffff;
    --color-text-secondary: rgba(255, 255, 255, 0.7);
    --color-text-muted: rgba(255, 255, 255, 0.5);
    --color-text-dark: #0a1628;

    /* Gradients */
    --gradient-hero: linear-gradient(135deg, #0a1628 0%, #0f2140 50%, #152a4a 100%);
    --gradient-card: linear-gradient(135deg, rgba(255,255,255,0.1) 0%, rgba(255,255,255,0.05) 100%);
    --gradient-accent: linear-gradient(135deg, #3b82f6 0%, #14b8a6 100%);
    --gradient-ring: linear-gradient(135deg, #60a5fa 0%, #3b82f6 50%, #14b8a6 100%);

    /* Glass Effect */
    --glass-bg: rgba(255, 255, 255, 0.08);
    --glass-border: rgba(255, 255, 255, 0.1);
    --glass-blur: blur(20px);

    /* Legacy Colors (for backward compatibility) */
    --color-primary: #3b82f6;
    --color-primary-light: #60a5fa;
    --color-primary-dark: #2563eb;
    --color-primary-subtle: rgba(59, 130, 246, 0.15);

    --color-black: #0a1628;
    --color-gray-900: #0f2140;
    --color-gray-800: #152a4a;
    --color-gray-700: #1e3a5f;
    --color-gray-600: rgba(255, 255, 255, 0.5);
    --color-gray-500: rgba(255, 255, 255, 0.4);
    --color-gray-400: rgba(255, 255, 255, 0.3);
    --color-gray-300: rgba(255, 255, 255, 0.2);
    --color-gray-200: rgba(255, 255, 255, 0.1);
    --color-gray-100: rgba(255, 255, 255, 0.05);
    --color-white: #ffffff;

    --color-success: #10B981;
    --color-error: #EF4444;

    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
    --font-size-5xl: 3rem;
    --font-size-6xl: 3.75rem;

    --font-weight-light: 300;
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;

    --line-height-tight: 1.2;
    --line-height-normal: 1.5;
    --line-height-relaxed: 1.75;

    /* Spacing */
    --spacing-1: 0.25rem;
    --spacing-2: 0.5rem;
    --spacing-3: 0.75rem;
    --spacing-4: 1rem;
    --spacing-5: 1.25rem;
    --spacing-6: 1.5rem;
    --spacing-8: 2rem;
    --spacing-10: 2.5rem;
    --spacing-12: 3rem;
    --spacing-16: 4rem;
    --spacing-20: 5rem;
    --spacing-24: 6rem;

    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-3xl: 2rem;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.3);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.3), 0 2px 4px -2px rgb(0 0 0 / 0.2);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.3), 0 4px 6px -4px rgb(0 0 0 / 0.2);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.3), 0 8px 10px -6px rgb(0 0 0 / 0.2);
    --shadow-2xl: 0 25px 50px -12px rgb(0 0 0 / 0.5);
    --shadow-glow: 0 0 40px rgba(59, 130, 246, 0.3);

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-normal: 250ms ease;
    --transition-slow: 350ms ease;

    /* Layout */
    --container-max: 1280px;
    --header-height: 80px;
}

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: var(--line-height-normal);
    color: var(--color-text-primary);
    background: var(--color-bg-primary);
    min-height: 100vh;
}

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

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

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

ul, ol {
    list-style: none;
}

/* Container */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--spacing-6);
}

/* ============================================
   HEADER - Glass Effect
   ============================================ */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--header-height);
    background: rgba(10, 22, 40, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--glass-border);
    z-index: 1000;
}

.header .container {
    height: 100%;
}

.header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
    gap: var(--spacing-8);
}

/* Logo */
.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
    flex-shrink: 0;
}

.logo__icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 42px;
    height: 42px;
    background: var(--gradient-accent);
    border-radius: var(--radius-lg);
    color: var(--color-white);
    box-shadow: var(--shadow-glow);
}

.logo__icon svg {
    width: 24px;
    height: 24px;
}

.logo__content {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.logo__text {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-white);
    letter-spacing: 0.5px;
    line-height: 1;
}

.logo__tagline {
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-medium);
    color: var(--color-accent-light);
    letter-spacing: 0.3px;
    text-transform: uppercase;
    line-height: 1;
}

/* Navigation */
.nav {
    display: none;
}

@media (min-width: 1024px) {
    .nav {
        display: block;
    }
}

.nav__list {
    display: flex;
    align-items: center;
    gap: var(--spacing-1);
}

.nav__link {
    display: flex;
    align-items: center;
    gap: var(--spacing-1);
    padding: var(--spacing-3) var(--spacing-4);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--color-text-secondary);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.nav__link:hover {
    color: var(--color-white);
    background: var(--glass-bg);
}

.nav__icon {
    width: 16px;
    height: 16px;
    transition: transform var(--transition-fast);
}

/* Dropdown */
.nav__item--dropdown {
    position: relative;
}

.dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    padding-top: var(--spacing-2);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all var(--transition-normal);
}

.nav__item--dropdown:hover .dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.nav__item--dropdown:hover .nav__icon {
    transform: rotate(180deg);
}

.dropdown__inner {
    background: var(--color-bg-secondary);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    padding: var(--spacing-3);
    min-width: 240px;
    backdrop-filter: blur(20px);
}

.dropdown__link {
    display: block;
    padding: var(--spacing-3) var(--spacing-4);
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.dropdown__link:hover {
    color: var(--color-white);
    background: var(--glass-bg);
}

.dropdown__link--all {
    margin-top: var(--spacing-2);
    padding-top: var(--spacing-3);
    border-top: 1px solid var(--glass-border);
    font-weight: var(--font-weight-medium);
    color: var(--color-accent-light);
}

/* Header Search */
.header__search {
    position: relative;
    flex: 1;
    max-width: 400px;
    display: none;
}

@media (min-width: 768px) {
    .header__search {
        display: block;
    }
}

.search-form {
    display: flex;
    align-items: center;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-full);
    padding: var(--spacing-2) var(--spacing-4);
    transition: all var(--transition-fast);
}

.search-form:focus-within {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.2);
}

.search-form__input {
    flex: 1;
    border: none;
    background: none;
    font-size: var(--font-size-sm);
    color: var(--color-white);
    outline: none;
}

.search-form__input::placeholder {
    color: var(--color-text-muted);
}

.search-form__btn {
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-muted);
    transition: color var(--transition-fast);
}

.search-form__btn:hover {
    color: var(--color-accent-light);
}

.search-form__btn svg {
    width: 20px;
    height: 20px;
}

/* Header CTA */
.header__cta {
    display: none;
}

@media (min-width: 1024px) {
    .header__cta {
        display: flex;
    }
}

/* Mobile Toggle */
.mobile-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    color: var(--color-text-secondary);
}

.mobile-toggle svg {
    width: 24px;
    height: 24px;
}

@media (min-width: 1024px) {
    .mobile-toggle {
        display: none;
    }
}

/* Mobile Menu */
.mobile-menu {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    width: 100%;
    max-width: 320px;
    background: var(--color-bg-secondary);
    z-index: 1100;
    transform: translateX(100%);
    transition: transform var(--transition-normal);
    overflow-y: auto;
}

.mobile-menu.active {
    transform: translateX(0);
}

.mobile-menu__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-4) var(--spacing-6);
    border-bottom: 1px solid var(--glass-border);
}

.mobile-menu__close {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-muted);
}

.mobile-menu__search {
    padding: var(--spacing-4) var(--spacing-6);
}

.mobile-menu__nav {
    padding: var(--spacing-4) var(--spacing-6);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-1);
}

.mobile-menu__link {
    display: block;
    padding: var(--spacing-3) var(--spacing-4);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-medium);
    color: var(--color-text-primary);
    border-radius: var(--radius-md);
}

.mobile-menu__link:hover {
    background: var(--glass-bg);
}

.mobile-menu__categories {
    padding: var(--spacing-4) var(--spacing-6);
    border-top: 1px solid var(--glass-border);
}

.mobile-menu__categories h3 {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--spacing-3);
}

.mobile-menu__category {
    display: block;
    padding: var(--spacing-2) 0;
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}

/* ============================================
   BUTTONS
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-2);
    padding: var(--spacing-3) var(--spacing-5);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    border-radius: var(--radius-lg);
    transition: all var(--transition-fast);
    white-space: nowrap;
}

.btn svg {
    width: 18px;
    height: 18px;
}

.btn--primary {
    background: var(--gradient-accent);
    color: var(--color-white);
    box-shadow: 0 4px 15px rgba(59, 130, 246, 0.3);
}

.btn--primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(59, 130, 246, 0.4);
}

.btn--secondary {
    background: var(--glass-bg);
    color: var(--color-text-primary);
    border: 1px solid var(--glass-border);
}

.btn--secondary:hover {
    background: rgba(255, 255, 255, 0.15);
    border-color: rgba(255, 255, 255, 0.2);
}

.btn--outline {
    background: transparent;
    color: var(--color-white);
    border: 1.5px solid var(--glass-border);
}

.btn--outline:hover {
    border-color: var(--color-accent);
    color: var(--color-accent-light);
    background: var(--color-accent-subtle);
}

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

.btn--white:hover {
    background: rgba(255, 255, 255, 0.9);
    transform: translateY(-2px);
}

.btn--sm {
    padding: var(--spacing-2) var(--spacing-3);
    font-size: var(--font-size-xs);
}

.btn--lg {
    padding: var(--spacing-4) var(--spacing-6);
    font-size: var(--font-size-base);
}

.btn--full {
    width: 100%;
}

/* ============================================
   MAIN CONTENT
   ============================================ */
.main {
    padding-top: var(--header-height);
}

/* ============================================
   HERO SECTION - With 3D DNA
   ============================================ */
.hero {
    position: relative;
    padding: var(--spacing-10) 0 var(--spacing-12);
    background: var(--gradient-hero);
    overflow: visible;
    min-height: auto;
    display: flex;
    align-items: center;
}

/* 3D DNA Canvas */
#dna-canvas {
    position: absolute;
    top: -120px;
    bottom: -80px;
    right: -10%;
    width: 65%;
    height: calc(100% + 200px);
    pointer-events: none;
    z-index: 100;
}

@media (max-width: 1024px) {
    #dna-canvas {
        display: none;
    }
}

/* Animated Background Particles */
.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image:
        radial-gradient(circle at 20% 80%, rgba(59, 130, 246, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(20, 184, 166, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 40% 40%, rgba(96, 165, 250, 0.05) 0%, transparent 30%);
    pointer-events: none;
}

.hero .container {
    position: relative;
    z-index: 1;
}

.hero__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-8);
    align-items: center;
}

@media (min-width: 1024px) {
    .hero__grid {
        grid-template-columns: 1fr 1fr;
        gap: var(--spacing-10);
    }
}

.hero__badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-2);
    padding: var(--spacing-2) var(--spacing-4);
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--color-accent-light);
    backdrop-filter: blur(10px);
    margin-bottom: var(--spacing-6);
}

.hero__badge svg {
    width: 16px;
    height: 16px;
}

.hero__title {
    font-size: var(--font-size-4xl);
    font-weight: var(--font-weight-bold);
    line-height: var(--line-height-tight);
    color: var(--color-white);
    margin-bottom: var(--spacing-6);
}

@media (min-width: 768px) {
    .hero__title {
        font-size: var(--font-size-5xl);
    }
}

@media (min-width: 1024px) {
    .hero__title {
        font-size: var(--font-size-6xl);
    }
}

.hero__title--accent {
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero__desc {
    font-size: var(--font-size-lg);
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-8);
    max-width: 540px;
}

.hero__actions {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-4);
}

/* Hero Visual - Background Image with floating cards */
.hero__visual {
    display: none;
    position: relative;
    width: 100%;
    min-height: 300px;
}

@media (min-width: 1024px) {
    .hero__visual {
        display: flex;
        align-items: center;
        justify-content: center;
    }
}

/* Hero Background Image */
.hero__image-container {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    max-width: 400px;
    margin: 0 auto;
}

.hero__image {
    width: 100%;
    height: auto;
    max-height: 320px;
    object-fit: contain;
    object-position: center;
    opacity: 0.9;
}

/* Glow effect */
.hero__image-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 120%;
    height: 120%;
    background: radial-gradient(ellipse at center, rgba(59, 130, 246, 0.2) 0%, transparent 60%);
    filter: blur(40px);
    animation: glowPulse 5s ease-in-out infinite alternate;
    pointer-events: none;
    z-index: 0;
}

@keyframes glowPulse {
    0% { opacity: 0.4; transform: translate(-50%, -50%) scale(0.9); }
    100% { opacity: 0.7; transform: translate(-50%, -50%) scale(1.15); }
}

/* ============================================
   Floating Cards - Glassmorphism with complex paths
   ============================================ */
.hero__card {
    position: absolute;
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
    padding: var(--spacing-4) var(--spacing-5);
    /* Enhanced glassmorphism */
    background: linear-gradient(
        135deg,
        rgba(255, 255, 255, 0.15) 0%,
        rgba(255, 255, 255, 0.05) 100%
    );
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-xl);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    font-weight: var(--font-weight-medium);
    font-size: var(--font-size-sm);
    color: var(--color-white);
    box-shadow:
        0 8px 32px rgba(0, 0, 0, 0.3),
        inset 0 1px 0 rgba(255, 255, 255, 0.2),
        inset 0 -1px 0 rgba(0, 0, 0, 0.1);
    z-index: 10;
    pointer-events: auto;
    transition: all 0.3s ease;
}

.hero__card:hover {
    background: linear-gradient(
        135deg,
        rgba(255, 255, 255, 0.2) 0%,
        rgba(255, 255, 255, 0.1) 100%
    );
    border-color: rgba(255, 255, 255, 0.3);
    transform: scale(1.05);
}

.hero__card svg {
    width: 22px;
    height: 22px;
    color: var(--color-accent-light);
    filter: drop-shadow(0 0 8px rgba(96, 165, 250, 0.5));
}

/* Card 1 - Orbit path (top-left area) */
.hero__card--1 {
    top: 0;
    left: 0;
    animation: cardOrbit1 12s ease-in-out infinite;
}

@keyframes cardOrbit1 {
    0% {
        transform: translate(0, 0) rotate(0deg);
    }
    25% {
        transform: translate(30px, 20px) rotate(2deg);
    }
    50% {
        transform: translate(15px, 40px) rotate(-1deg);
    }
    75% {
        transform: translate(-15px, 25px) rotate(1deg);
    }
    100% {
        transform: translate(0, 0) rotate(0deg);
    }
}

/* Card 2 - Figure-8 path (right side) */
.hero__card--2 {
    top: 10%;
    right: 0;
    animation: cardFigure8 15s ease-in-out infinite;
}

@keyframes cardFigure8 {
    0% {
        transform: translate(0, 0) scale(1);
    }
    12.5% {
        transform: translate(-25px, -30px) scale(1.02);
    }
    25% {
        transform: translate(-40px, 0) scale(1);
    }
    37.5% {
        transform: translate(-25px, 30px) scale(0.98);
    }
    50% {
        transform: translate(0, 0) scale(1);
    }
    62.5% {
        transform: translate(25px, -25px) scale(1.02);
    }
    75% {
        transform: translate(35px, 0) scale(1);
    }
    87.5% {
        transform: translate(25px, 25px) scale(0.98);
    }
    100% {
        transform: translate(0, 0) scale(1);
    }
}

/* Card 3 - Wave path (bottom area) */
.hero__card--3 {
    bottom: 0;
    left: 10%;
    animation: cardWave 10s ease-in-out infinite;
}

@keyframes cardWave {
    0% {
        transform: translate(0, 0) rotate(0deg);
    }
    20% {
        transform: translate(40px, -15px) rotate(3deg);
    }
    40% {
        transform: translate(60px, 10px) rotate(-2deg);
    }
    60% {
        transform: translate(30px, 25px) rotate(2deg);
    }
    80% {
        transform: translate(-10px, 10px) rotate(-1deg);
    }
    100% {
        transform: translate(0, 0) rotate(0deg);
    }
}

/* Card 4 - Slow drift (if added) */
.hero__card--4 {
    bottom: 10%;
    right: 5%;
    animation: cardDrift 18s ease-in-out infinite;
}

@keyframes cardDrift {
    0%, 100% {
        transform: translate(0, 0) rotate(0deg);
        opacity: 0.9;
    }
    33% {
        transform: translate(-30px, -40px) rotate(-3deg);
        opacity: 1;
    }
    66% {
        transform: translate(20px, -20px) rotate(2deg);
        opacity: 0.95;
    }
}

/* Subtle particle effect on cards */
.hero__card::before {
    content: '';
    position: absolute;
    top: -1px;
    left: 20%;
    right: 20%;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
}

/* Hide old hero circle */
.hero__circle {
    display: none;
}

/* ============================================
   STATS SECTION
   ============================================ */
.stats {
    position: relative;
    z-index: 200;
    padding: var(--spacing-16) 0;
    background: #ffffff;
}

.stats::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg,
        transparent 0%,
        rgba(0, 0, 0, 0.05) 10%,
        rgba(0, 0, 0, 0.1) 50%,
        rgba(0, 0, 0, 0.05) 90%,
        transparent 100%
    );
    z-index: 1;
}

.stats__grid {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-8);
}

@media (min-width: 768px) {
    .stats__grid {
        grid-template-columns: repeat(4, 1fr);
        gap: 0;
    }
}

.stat {
    position: relative;
    text-align: center;
    padding: var(--spacing-6) var(--spacing-4);
    background: #ffffff;
}

@media (min-width: 768px) {
    .stat:not(:last-child)::after {
        content: '';
        position: absolute;
        right: 0;
        top: 50%;
        transform: translateY(-50%);
        width: 1px;
        height: 60px;
        background: linear-gradient(180deg,
            transparent 0%,
            rgba(0, 0, 0, 0.1) 50%,
            transparent 100%
        );
    }
}

.stat__value {
    font-size: var(--font-size-4xl);
    font-weight: var(--font-weight-bold);
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--spacing-3);
    line-height: 1;
    filter: drop-shadow(0 0 20px rgba(59, 130, 246, 0.2));
}

@media (min-width: 768px) {
    .stat__value {
        font-size: var(--font-size-5xl);
    }
}

.stat__label {
    font-size: var(--font-size-base);
    color: var(--color-text-dark);
    font-weight: var(--font-weight-medium);
    letter-spacing: 0.01em;
    opacity: 0.7;
}

@media (min-width: 768px) {
    .stat__label {
        font-size: var(--font-size-lg);
    }
}

/* ============================================
   SECTIONS
   ============================================ */
.section {
    padding: var(--spacing-16) 0;
}

.section--compact {
    padding: var(--spacing-8) 0;
}

.section--gray {
    background: var(--color-bg-secondary);
}

.section__header {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    margin-bottom: var(--spacing-10);
    gap: var(--spacing-4);
}

.section__header--center {
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.section__title {
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-white);
}

@media (min-width: 768px) {
    .section__title {
        font-size: var(--font-size-3xl);
    }
}

.section__subtitle {
    font-size: var(--font-size-base);
    color: var(--color-text-muted);
    margin-top: var(--spacing-2);
    max-width: 600px;
}

.section__link {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--color-accent-light);
    flex-shrink: 0;
}

.section__link svg {
    width: 16px;
    height: 16px;
    transition: transform var(--transition-fast);
}

.section__link:hover svg {
    transform: translateX(4px);
}

/* ============================================
   CATEGORIES GRID - CECON Style
   ============================================ */
.categories-section {
    background: var(--color-bg-primary);
}

.categories-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-4);
}

@media (min-width: 640px) {
    .categories-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .categories-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

.category-card {
    position: relative;
    display: flex;
    flex-direction: column;
    padding: var(--spacing-6);
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-2xl);
    backdrop-filter: blur(10px);
    transition: all var(--transition-normal);
    overflow: hidden;
    min-height: 160px;
}

.category-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.1) 0%, transparent 50%);
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.category-card:hover {
    border-color: var(--color-accent);
    transform: translateY(-4px);
    box-shadow: var(--shadow-glow);
}

.category-card:hover::before {
    opacity: 1;
}

.category-card__icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 56px;
    height: 56px;
    background: var(--gradient-accent);
    border-radius: var(--radius-xl);
    color: var(--color-white);
    margin-bottom: var(--spacing-4);
    box-shadow: 0 8px 20px rgba(59, 130, 246, 0.3);
    position: relative;
    z-index: 1;
}

.category-card__icon svg {
    width: 28px;
    height: 28px;
}

.category-card__content {
    flex: 1;
    position: relative;
    z-index: 1;
}

.category-card__title {
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-semibold);
    color: var(--color-white);
    margin-bottom: var(--spacing-1);
}

.category-card__count {
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
}

.category-card__arrow {
    position: absolute;
    bottom: var(--spacing-6);
    right: var(--spacing-6);
    color: var(--color-text-muted);
    transition: all var(--transition-fast);
}

.category-card__arrow svg {
    width: 20px;
    height: 20px;
}

.category-card:hover .category-card__arrow {
    color: var(--color-accent-light);
    transform: translateX(4px);
}

/* ============================================
   PRODUCTS GRID - White Section for product photos
   ============================================ */
.products-section {
    background: #ffffff;
    padding: var(--spacing-16) 0;
}

.products-section .section__title {
    color: var(--color-bg-primary);
}

.products-section .section__subtitle {
    color: rgba(10, 22, 40, 0.6);
}

.products-section .section__link {
    color: var(--color-accent);
}

.products-section .section__link:hover {
    color: var(--color-accent-dark);
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-6);
}

@media (min-width: 768px) {
    .products-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (min-width: 1024px) {
    .products-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

.products-grid--catalog {
    gap: var(--spacing-4);
}

@media (min-width: 768px) {
    .products-grid--catalog {
        gap: var(--spacing-6);
    }
}

/* Product card on white background */
.product-card {
    display: flex;
    flex-direction: column;
    background: #ffffff;
    border: 1px solid rgba(10, 22, 40, 0.1);
    border-radius: var(--radius-2xl);
    overflow: hidden;
    transition: all var(--transition-normal);
}

.product-card:hover {
    border-color: rgba(10, 22, 40, 0.2);
    box-shadow: 0 20px 40px rgba(10, 22, 40, 0.15);
    transform: translateY(-8px);
}

.product-card__image {
    position: relative;
    aspect-ratio: 4/3;
    background: #ffffff;
    overflow: hidden;
}

/* Subtle gradient overlay on hover */
.product-card__image::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 50%, rgba(10, 22, 40, 0.05) 100%);
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.product-card:hover .product-card__image::after {
    opacity: 1;
}

.product-card__image img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    padding: var(--spacing-4);
    transition: all var(--transition-normal);
}

.product-card:hover .product-card__image img {
    transform: scale(1.05);
}

.product-card__placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(10, 22, 40, 0.2);
}

.product-card__placeholder svg {
    width: 48px;
    height: 48px;
}

.product-card__content {
    flex: 1;
    padding: var(--spacing-4);
    background: linear-gradient(180deg, #f8fafc 0%, #ffffff 100%);
}

.product-card__brand {
    display: inline-block;
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-medium);
    color: var(--color-accent);
    background: rgba(59, 130, 246, 0.1);
    padding: var(--spacing-1) var(--spacing-2);
    border-radius: var(--radius-sm);
    margin-bottom: var(--spacing-2);
}

.product-card__title {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    color: var(--color-bg-primary);
    line-height: var(--line-height-tight);
    margin-bottom: var(--spacing-2);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.product-card__title a:hover {
    color: var(--color-accent);
}

.product-card__category {
    font-size: var(--font-size-xs);
    color: rgba(10, 22, 40, 0.5);
}

.product-card__footer {
    padding: var(--spacing-4);
    padding-top: 0;
    background: #ffffff;
}

.product-card__footer .btn--secondary {
    background: rgba(10, 22, 40, 0.05);
    color: var(--color-bg-primary);
    border: 1px solid rgba(10, 22, 40, 0.1);
}

.product-card__footer .btn--secondary:hover {
    background: var(--color-accent);
    color: #ffffff;
    border-color: var(--color-accent);
}

/* Catalog pages - white background for products grid */
.catalog-products-section {
    background: #ffffff;
    padding: var(--spacing-12) 0 var(--spacing-16);
}

.catalog-products-section .section__title {
    color: var(--color-bg-primary);
}

.catalog-products-section .empty-state {
    background: #ffffff;
}

.catalog-products-section .empty-state h3 {
    color: var(--color-bg-primary);
}

.catalog-products-section .empty-state p {
    color: rgba(10, 22, 40, 0.6);
}

/* ============================================
   ADVANTAGES SECTION
   ============================================ */
.advantages-section {
    background: var(--color-bg-secondary);
}

.advantages-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-6);
}

@media (min-width: 640px) {
    .advantages-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .advantages-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.advantage {
    padding: var(--spacing-6);
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-2xl);
    backdrop-filter: blur(10px);
    transition: all var(--transition-normal);
}

.advantage:hover {
    border-color: var(--color-accent);
    transform: translateY(-4px);
    box-shadow: var(--shadow-glow);
}

.advantage__icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 56px;
    height: 56px;
    background: var(--gradient-accent);
    border-radius: var(--radius-xl);
    color: var(--color-white);
    margin-bottom: var(--spacing-5);
    box-shadow: 0 8px 20px rgba(59, 130, 246, 0.3);
}

.advantage__icon svg {
    width: 28px;
    height: 28px;
}

.advantage__title {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    color: var(--color-white);
    margin-bottom: var(--spacing-3);
}

.advantage__desc {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    line-height: var(--line-height-relaxed);
}

/* ============================================
   CTA SECTION
   ============================================ */
.cta-section {
    padding: var(--spacing-8) 0 var(--spacing-16);
}

.cta {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-6);
    padding: var(--spacing-10) var(--spacing-6);
    background: var(--gradient-accent);
    border-radius: var(--radius-3xl);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 50%);
    animation: ctaShine 8s linear infinite;
}

@keyframes ctaShine {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

@media (min-width: 768px) {
    .cta {
        flex-direction: row;
        justify-content: space-between;
        text-align: left;
        padding: var(--spacing-10) var(--spacing-12);
    }
}

.cta__content {
    position: relative;
    z-index: 1;
}

.cta__title {
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-white);
    margin-bottom: var(--spacing-2);
}

.cta__desc {
    font-size: var(--font-size-base);
    color: rgba(255, 255, 255, 0.8);
}

.cta .btn {
    position: relative;
    z-index: 1;
}

/* ============================================
   PAGE HEADER
   ============================================ */
.page-header {
    padding: var(--spacing-10) 0 var(--spacing-8);
    background: linear-gradient(180deg, var(--color-bg-secondary) 0%, var(--color-bg-primary) 100%);
}

.page-header--product {
    padding: var(--spacing-6) 0;
}

.breadcrumb {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-2);
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-4);
}

.breadcrumb a:hover {
    color: var(--color-accent-light);
}

.breadcrumb svg {
    width: 14px;
    height: 14px;
}

.page-header__title {
    font-size: var(--font-size-3xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-white);
}

@media (min-width: 768px) {
    .page-header__title {
        font-size: var(--font-size-4xl);
    }
}

.page-header__subtitle {
    font-size: var(--font-size-base);
    color: var(--color-text-muted);
    margin-top: var(--spacing-2);
}

/* ============================================
   CATALOG PAGE
   ============================================ */
.catalog-search {
    display: flex;
    gap: var(--spacing-4);
    max-width: 600px;
    margin: 0 auto;
}

.catalog-search__input-wrapper {
    flex: 1;
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
    padding: var(--spacing-4) var(--spacing-5);
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-xl);
    transition: all var(--transition-fast);
}

.catalog-search__input-wrapper:focus-within {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.2);
}

.catalog-search__input-wrapper svg {
    width: 20px;
    height: 20px;
    color: var(--color-text-muted);
    flex-shrink: 0;
}

.catalog-search__input {
    flex: 1;
    border: none;
    background: none;
    font-size: var(--font-size-base);
    color: var(--color-white);
    outline: none;
}

.catalog-search__input::placeholder {
    color: var(--color-text-muted);
}

.catalog-categories {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-4);
}

.catalog-category {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-2xl);
    overflow: hidden;
    backdrop-filter: blur(10px);
    transition: all var(--transition-fast);
}

.catalog-category:hover {
    border-color: rgba(255, 255, 255, 0.2);
    box-shadow: var(--shadow-lg);
}

.catalog-category__header {
    display: flex;
    align-items: center;
    gap: var(--spacing-4);
    padding: var(--spacing-5) var(--spacing-6);
}

.catalog-category__icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    background: var(--gradient-accent);
    border-radius: var(--radius-lg);
    color: var(--color-white);
    flex-shrink: 0;
}

.catalog-category__icon svg {
    width: 24px;
    height: 24px;
}

.catalog-category__info {
    flex: 1;
}

.catalog-category__title {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    color: var(--color-white);
    margin-bottom: var(--spacing-1);
}

.catalog-category__count {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

.catalog-category__arrow {
    width: 20px;
    height: 20px;
    color: var(--color-text-muted);
    transition: all var(--transition-fast);
}

.catalog-category:hover .catalog-category__arrow {
    color: var(--color-accent-light);
    transform: translateX(4px);
}

.catalog-category__subcategories {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-2);
    padding: 0 var(--spacing-6) var(--spacing-5);
}

.catalog-subcategory {
    padding: var(--spacing-2) var(--spacing-3);
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.catalog-subcategory:hover {
    background: var(--color-accent-subtle);
    color: var(--color-accent-light);
}

.catalog-subcategory--more {
    color: var(--color-accent-light);
    font-weight: var(--font-weight-medium);
}

/* Subcategories Nav */
.subcategories-nav {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-2);
}

.subcategory-chip {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    padding: var(--spacing-2) var(--spacing-4);
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-full);
    transition: all var(--transition-fast);
}

.subcategory-chip:hover {
    border-color: var(--color-accent);
    color: var(--color-accent-light);
}

.subcategory-chip--active {
    background: var(--gradient-accent);
    border-color: var(--color-accent);
    color: var(--color-white);
}

.subcategory-chip__count {
    font-size: var(--font-size-xs);
    background: rgba(255, 255, 255, 0.1);
    padding: var(--spacing-1) var(--spacing-2);
    border-radius: var(--radius-full);
}

/* ============================================
   PRODUCT PAGE
   ============================================ */
.product-section {
    padding: var(--spacing-8) 0;
}

/* Product Details - White background for gallery */
.product-details-section {
    background: #ffffff;
    padding: var(--spacing-12) 0;
}

.product-details-section .product-info__title {
    color: var(--color-bg-primary);
}

.product-details-section .product-info__article {
    color: rgba(10, 22, 40, 0.5);
}

.product-details-section .product-info__category {
    color: rgba(10, 22, 40, 0.5);
}

.product-details-section .product-info__category a:hover {
    color: var(--color-accent);
}

.product-details-section .product-info__brand span {
    color: rgba(10, 22, 40, 0.7);
}

.product-details-section .product-info__price-block {
    background: rgba(59, 130, 246, 0.08);
    border-color: rgba(59, 130, 246, 0.2);
}

.product-details-section .product-info__price-label {
    color: var(--color-accent);
}

.product-details-section .product-info__price-note {
    color: rgba(10, 22, 40, 0.6);
}

.product-details-section .product-info__features {
    border-top-color: rgba(10, 22, 40, 0.1);
}

.product-details-section .product-feature {
    color: rgba(10, 22, 40, 0.7);
}

.product-details-section .product-feature svg {
    color: var(--color-accent);
}

.product-details-section .product-gallery__main {
    background: #ffffff;
    border-color: rgba(10, 22, 40, 0.1);
}

.product-details-section .product-gallery__thumb {
    background: #ffffff;
    border-color: rgba(10, 22, 40, 0.1);
}

.product-details-section .product-gallery__thumb:hover {
    border-color: rgba(10, 22, 40, 0.3);
}

.product-details-section .product-gallery__thumb--active {
    border-color: var(--color-accent);
}

.product-details-section .btn--outline {
    color: var(--color-bg-primary);
    border-color: rgba(10, 22, 40, 0.2);
}

.product-details-section .btn--outline:hover {
    color: var(--color-accent);
    border-color: var(--color-accent);
    background: rgba(59, 130, 246, 0.05);
}

/* Related products - white section */
.related-products-section {
    background: #ffffff;
    padding: var(--spacing-12) 0;
}

.related-products-section .section__title {
    color: var(--color-bg-primary);
}

.related-products-section .section__link {
    color: var(--color-accent);
}

.product-layout {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-10);
}

@media (min-width: 1024px) {
    .product-layout {
        grid-template-columns: 1fr 1fr;
    }
}

/* Product Gallery */
.product-gallery__main {
    aspect-ratio: 4/3;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-2xl);
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(10px);
}

.product-gallery__main img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    padding: var(--spacing-6);
}

.product-gallery__placeholder {
    color: var(--color-text-muted);
}

.product-gallery__placeholder svg {
    width: 80px;
    height: 80px;
}

.product-gallery__thumbs {
    display: flex;
    gap: var(--spacing-3);
    margin-top: var(--spacing-4);
    overflow-x: auto;
}

.product-gallery__thumb {
    width: 80px;
    height: 80px;
    flex-shrink: 0;
    background: var(--glass-bg);
    border: 2px solid var(--glass-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.product-gallery__thumb img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    padding: var(--spacing-2);
}

.product-gallery__thumb:hover {
    border-color: rgba(255, 255, 255, 0.3);
}

.product-gallery__thumb--active {
    border-color: var(--color-accent);
}

/* Product Info */
.product-info__brand {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-2);
    margin-bottom: var(--spacing-3);
}

.product-info__brand-logo {
    height: 24px;
    width: auto;
}

.product-info__brand span {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--color-text-secondary);
}

.product-info__title {
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-white);
    line-height: var(--line-height-tight);
    margin-bottom: var(--spacing-3);
}

@media (min-width: 768px) {
    .product-info__title {
        font-size: var(--font-size-3xl);
    }
}

.product-info__article {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-4);
}

.product-info__category {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-6);
}

.product-info__category svg {
    width: 16px;
    height: 16px;
}

.product-info__category a:hover {
    color: var(--color-accent-light);
}

.product-info__price-block {
    padding: var(--spacing-5);
    background: var(--color-accent-subtle);
    border: 1px solid var(--color-accent);
    border-radius: var(--radius-xl);
    margin-bottom: var(--spacing-6);
}

.product-info__price-label {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-accent-light);
}

.product-info__price-note {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    margin-top: var(--spacing-2);
}

.product-info__actions {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-3);
    margin-bottom: var(--spacing-6);
}

.product-info__features {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-3);
    padding-top: var(--spacing-6);
    border-top: 1px solid var(--glass-border);
}

.product-feature {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}

.product-feature svg {
    width: 20px;
    height: 20px;
    color: var(--color-accent-light);
}

/* Product Tabs */
.product-tabs {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-2xl);
    overflow: hidden;
    backdrop-filter: blur(10px);
}

.product-tabs__nav {
    display: flex;
    border-bottom: 1px solid var(--glass-border);
}

.product-tabs__btn {
    padding: var(--spacing-4) var(--spacing-6);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-medium);
    color: var(--color-text-muted);
    border-bottom: 2px solid transparent;
    margin-bottom: -1px;
    transition: all var(--transition-fast);
}

.product-tabs__btn:hover {
    color: var(--color-white);
}

.product-tabs__btn--active {
    color: var(--color-accent-light);
    border-bottom-color: var(--color-accent);
}

.product-tabs__content {
    padding: var(--spacing-8);
}

.product-tab {
    display: none;
}

.product-tab--active {
    display: block;
}

.product-description {
    font-size: var(--font-size-base);
    color: var(--color-text-secondary);
    line-height: var(--line-height-relaxed);
}

.product-description h2 {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-semibold);
    color: var(--color-white);
    margin: var(--spacing-6) 0 var(--spacing-4);
}

.product-description h2:first-child {
    margin-top: 0;
}

.product-description p {
    margin-bottom: var(--spacing-4);
}

.product-description ul, .product-description ol {
    margin-bottom: var(--spacing-4);
    padding-left: var(--spacing-6);
}

.product-description li {
    margin-bottom: var(--spacing-2);
    list-style: disc;
}

.product-description strong {
    font-weight: var(--font-weight-semibold);
    color: var(--color-white);
}

/* Specs Table */
.specs-table {
    width: 100%;
    border-collapse: collapse;
}

.specs-table tr {
    border-bottom: 1px solid var(--glass-border);
}

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

.specs-table td {
    padding: var(--spacing-4) 0;
    font-size: var(--font-size-sm);
}

.specs-table__label {
    color: var(--color-text-muted);
    width: 40%;
}

.specs-table__value {
    color: var(--color-white);
    font-weight: var(--font-weight-medium);
}

/* ============================================
   ABOUT PAGE
   ============================================ */
.about-hero {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-10);
    align-items: center;
}

@media (min-width: 1024px) {
    .about-hero {
        grid-template-columns: 1.5fr 1fr;
    }
}

.about-hero__title {
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-white);
    line-height: var(--line-height-tight);
    margin-bottom: var(--spacing-6);
}

@media (min-width: 768px) {
    .about-hero__title {
        font-size: var(--font-size-3xl);
    }
}

.text-accent {
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.about-hero__text {
    font-size: var(--font-size-base);
    color: var(--color-text-secondary);
    line-height: var(--line-height-relaxed);
    margin-bottom: var(--spacing-4);
}

.about-hero__stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-4);
}

.about-stat {
    padding: var(--spacing-5);
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-xl);
    text-align: center;
    backdrop-filter: blur(10px);
}

.about-stat__value {
    display: block;
    font-size: var(--font-size-3xl);
    font-weight: var(--font-weight-bold);
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.about-stat__label {
    display: block;
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    margin-top: var(--spacing-1);
}

/* Values Grid */
.values-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-6);
}

@media (min-width: 1024px) {
    .values-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

.value-card {
    padding: var(--spacing-6);
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-2xl);
    text-align: center;
    backdrop-filter: blur(10px);
    transition: all var(--transition-normal);
}

.value-card:hover {
    border-color: var(--color-accent);
    transform: translateY(-4px);
}

.value-card__icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 64px;
    height: 64px;
    background: var(--gradient-accent);
    border-radius: var(--radius-xl);
    color: var(--color-white);
    margin-bottom: var(--spacing-4);
    box-shadow: 0 8px 20px rgba(59, 130, 246, 0.3);
}

.value-card__icon svg {
    width: 32px;
    height: 32px;
}

.value-card__title {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    color: var(--color-white);
    margin-bottom: var(--spacing-2);
}

.value-card__text {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    line-height: var(--line-height-relaxed);
}

/* Services Grid */
.services-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-6);
}

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

.service-card {
    padding: var(--spacing-6);
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-2xl);
    backdrop-filter: blur(10px);
    transition: all var(--transition-normal);
}

.service-card:hover {
    border-color: var(--color-accent);
    box-shadow: var(--shadow-glow);
}

.service-card__number {
    font-size: var(--font-size-4xl);
    font-weight: var(--font-weight-bold);
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    opacity: 0.3;
    line-height: 1;
    margin-bottom: var(--spacing-4);
}

.service-card__title {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-semibold);
    color: var(--color-white);
    margin-bottom: var(--spacing-3);
}

.service-card__text {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    line-height: var(--line-height-relaxed);
}

/* ============================================
   CONTACTS PAGE
   ============================================ */
.contacts-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-10);
}

@media (min-width: 1024px) {
    .contacts-grid {
        grid-template-columns: 1fr 1fr;
    }
}

.contacts-info__title {
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-white);
    margin-bottom: var(--spacing-3);
}

.contacts-info__subtitle {
    font-size: var(--font-size-base);
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-8);
}

.contact-items {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-6);
}

.contact-item {
    display: flex;
    gap: var(--spacing-4);
}

.contact-item__icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    background: var(--gradient-accent);
    border-radius: var(--radius-lg);
    color: var(--color-white);
    flex-shrink: 0;
}

.contact-item__icon svg {
    width: 24px;
    height: 24px;
}

.contact-item__content h3 {
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-semibold);
    color: var(--color-white);
    margin-bottom: var(--spacing-1);
}

.contact-item__content p,
.contact-item__link {
    font-size: var(--font-size-base);
    color: var(--color-text-secondary);
}

.contact-item__link:hover {
    color: var(--color-accent-light);
}

.contact-item__note {
    display: block;
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    margin-top: var(--spacing-1);
}

/* Contact Form */
.contacts-form-wrapper {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-2xl);
    padding: var(--spacing-8);
    backdrop-filter: blur(10px);
}

.contacts-form__title {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-semibold);
    color: var(--color-white);
    margin-bottom: var(--spacing-6);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-4);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-4);
}

@media (max-width: 640px) {
    .form-row {
        grid-template-columns: 1fr;
    }
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-2);
}

.form-group label {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--color-text-secondary);
}

.form-input {
    padding: var(--spacing-3) var(--spacing-4);
    font-size: var(--font-size-base);
    color: var(--color-white);
    background: rgba(255, 255, 255, 0.05);
    border: 1.5px solid var(--glass-border);
    border-radius: var(--radius-lg);
    transition: all var(--transition-fast);
    outline: none;
}

.form-input:focus {
    border-color: var(--color-accent);
    background: rgba(255, 255, 255, 0.08);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.2);
}

.form-input::placeholder {
    color: var(--color-text-muted);
}

textarea.form-input {
    resize: vertical;
    min-height: 100px;
}

/* Map Section */
.map-section {
    position: relative;
}

.map-wrapper {
    position: relative;
    height: 450px;
}

.map-wrapper iframe {
    width: 100%;
    height: 100%;
    filter: grayscale(100%) invert(90%);
}

.map-overlay {
    position: absolute;
    top: var(--spacing-6);
    left: var(--spacing-6);
}

.map-card {
    padding: var(--spacing-6);
    background: var(--color-bg-secondary);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    max-width: 280px;
    backdrop-filter: blur(20px);
}

.map-card h3 {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    color: var(--color-white);
    margin-bottom: var(--spacing-2);
}

.map-card p {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-4);
}

/* ============================================
   MODAL
   ============================================ */
.modal {
    position: fixed;
    inset: 0;
    z-index: 2000;
    display: none;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-6);
}

.modal.active {
    display: flex;
}

.modal__overlay {
    position: absolute;
    inset: 0;
    background: rgba(10, 22, 40, 0.9);
    backdrop-filter: blur(10px);
}

.modal__content {
    position: relative;
    width: 100%;
    max-width: 480px;
    max-height: 90vh;
    overflow-y: auto;
    background: var(--color-bg-secondary);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-2xl);
    padding: var(--spacing-8);
}

.modal__close {
    position: absolute;
    top: var(--spacing-4);
    right: var(--spacing-4);
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-muted);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.modal__close:hover {
    background: var(--glass-bg);
    color: var(--color-white);
}

.modal__title {
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-white);
    margin-bottom: var(--spacing-2);
}

.modal__subtitle {
    font-size: var(--font-size-base);
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-6);
}

/* Form Success */
.form-success {
    text-align: center;
    padding: var(--spacing-8) 0;
}

.form-success svg {
    width: 64px;
    height: 64px;
    color: var(--color-success);
    margin-bottom: var(--spacing-4);
}

.form-success h3 {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-semibold);
    color: var(--color-white);
    margin-bottom: var(--spacing-2);
}

.form-success p {
    font-size: var(--font-size-base);
    color: var(--color-text-secondary);
}

/* ============================================
   EMPTY STATE
   ============================================ */
.empty-state {
    text-align: center;
    padding: var(--spacing-16) 0;
}

.empty-state svg {
    width: 80px;
    height: 80px;
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-6);
}

.empty-state h3 {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-semibold);
    color: var(--color-white);
    margin-bottom: var(--spacing-2);
}

.empty-state p {
    font-size: var(--font-size-base);
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-6);
    max-width: 400px;
    margin-left: auto;
    margin-right: auto;
}

/* ============================================
   ERROR PAGE
   ============================================ */
.error-section {
    min-height: 60vh;
    display: flex;
    align-items: center;
}

.error-page {
    text-align: center;
    max-width: 480px;
    margin: 0 auto;
}

.error-page__code {
    font-size: 120px;
    font-weight: var(--font-weight-bold);
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    opacity: 0.3;
    line-height: 1;
    margin-bottom: var(--spacing-4);
}

.error-page__title {
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-white);
    margin-bottom: var(--spacing-3);
}

.error-page__text {
    font-size: var(--font-size-base);
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-8);
}

.error-page__actions {
    display: flex;
    justify-content: center;
    gap: var(--spacing-4);
    flex-wrap: wrap;
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
    background: linear-gradient(180deg, var(--color-bg-primary) 0%, #050d1a 100%);
    padding: var(--spacing-16) 0 var(--spacing-8);
    border-top: 1px solid var(--glass-border);
}

.footer__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-10);
    margin-bottom: var(--spacing-12);
}

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

@media (min-width: 1024px) {
    .footer__grid {
        grid-template-columns: 2fr 1fr 1fr 1.5fr;
    }
}

.footer__col--info {
    max-width: 320px;
}

.logo--footer {
    margin-bottom: var(--spacing-4);
}

.logo--footer .logo__text {
    color: var(--color-white);
}

.footer__desc {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    line-height: var(--line-height-relaxed);
}

.footer__title {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    color: var(--color-white);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--spacing-4);
}

.footer__list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-3);
}

.footer__list a {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    transition: color var(--transition-fast);
}

.footer__list a:hover {
    color: var(--color-accent-light);
}

.footer__contacts {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-3);
}

.footer__contacts li {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-3);
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

.footer__contacts svg {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
    margin-top: 2px;
}

.footer__contacts a:hover {
    color: var(--color-accent-light);
}

.footer__bottom {
    padding-top: var(--spacing-8);
    border-top: 1px solid var(--glass-border);
}

.footer__bottom p {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

/* ============================================
   SEARCH RESULTS DROPDOWN
   ============================================ */
.search-results {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    margin-top: var(--spacing-2);
    background: var(--color-bg-secondary);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    max-height: 400px;
    overflow-y: auto;
    display: none;
    z-index: 100;
    backdrop-filter: blur(20px);
}

.search-results.active {
    display: block;
}

.search-results__item {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
    padding: var(--spacing-3) var(--spacing-4);
    transition: background var(--transition-fast);
}

.search-results__item:hover {
    background: var(--glass-bg);
}

.search-results__item-image {
    width: 48px;
    height: 48px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-md);
    overflow: hidden;
    flex-shrink: 0;
}

.search-results__item-image img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.search-results__item-info {
    flex: 1;
    min-width: 0;
}

.search-results__item-name {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--color-white);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.search-results__item-category {
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
}

.search-results__empty {
    padding: var(--spacing-6);
    text-align: center;
    color: var(--color-text-muted);
    font-size: var(--font-size-sm);
}

/* ============================================
   STEPS GRID (How We Work)
   ============================================ */
.steps-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: var(--spacing-6);
}

@media (max-width: 1200px) {
    .steps-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 768px) {
    .steps-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-4);
    }
}

.step-card {
    text-align: center;
    padding: var(--spacing-6);
}

.step-card__number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    background: var(--gradient-accent);
    border-radius: 50%;
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-white);
    margin-bottom: var(--spacing-4);
}

.step-card__title {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    color: var(--color-white);
    margin-bottom: var(--spacing-2);
}

.step-card__text {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    line-height: 1.6;
}

/* ============================================
   WHY US SECTION (Compact advantages)
   ============================================ */
.why-us-section {
    background: var(--color-bg-secondary);
    padding: var(--spacing-16) 0;
}

.advantages-grid--compact {
    grid-template-columns: repeat(4, 1fr);
}

@media (max-width: 1024px) {
    .advantages-grid--compact {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 640px) {
    .advantages-grid--compact {
        grid-template-columns: 1fr;
    }
}

.advantage--compact {
    padding: var(--spacing-4);
}

.advantage__icon--small {
    width: 48px;
    height: 48px;
}

.advantage__icon--small svg {
    width: 24px;
    height: 24px;
}

/* ============================================
   UTILITIES
   ============================================ */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}