/* ========================================
   AIRVENT — Professional Landing Page Styles
   Modern, Trustworthy, Professional Design
   ======================================== */

/* CSS Variables */
:root {
    /* Primary Colors */
    --primary: #0066FF;
    --primary-dark: #0052CC;
    --primary-light: #4D94FF;
    --primary-gradient: linear-gradient(135deg, #0066FF 0%, #00C6FF 100%);
    
    /* Secondary Colors */
    --secondary: #00D4AA;
    --secondary-light: #5CE1C7;
    
    /* Accent Colors */
    --accent-orange: #FF6B35;
    --accent-yellow: #FFD23F;
    
    /* Neutral Colors */
    --dark: #0A1628;
    --dark-light: #1E293B;
    --gray-900: #111827;
    --gray-800: #1F2937;
    --gray-700: #374151;
    --gray-600: #4B5563;
    --gray-500: #6B7280;
    --gray-400: #9CA3AF;
    --gray-300: #D1D5DB;
    --gray-200: #E5E7EB;
    --gray-100: #F3F4F6;
    --gray-50: #F9FAFB;
    --white: #FFFFFF;
    
    /* Semantic Colors */
    --success: #10B981;
    --warning: #F59E0B;
    --error: #EF4444;
    
    /* Typography */
    --font-primary: 'Montserrat', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-display: 'Montserrat', sans-serif;
    
    /* Font Sizes */
    --text-xs: 0.75rem;
    --text-sm: 0.875rem;
    --text-base: 1rem;
    --text-lg: 1.125rem;
    --text-xl: 1.25rem;
    --text-2xl: 1.5rem;
    --text-3xl: 1.875rem;
    --text-4xl: 2.25rem;
    --text-5xl: 3rem;
    --text-6xl: 3.75rem;
    --text-7xl: 4.5rem;
    
    /* Spacing */
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-10: 2.5rem;
    --space-12: 3rem;
    --space-16: 4rem;
    --space-20: 5rem;
    --space-24: 6rem;
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-full: 9999px;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    --shadow-primary: 0 10px 40px -10px rgba(0, 102, 255, 0.4);
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 350ms ease;
    
    /* Container */
    --container-max: 1280px;
    --container-padding: 1.5rem;
}

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

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

body {
    font-family: 'Montserrat', sans-serif;
    font-size: var(--text-base);
    line-height: 1.6;
    color: var(--gray-800);
    background-color: var(--white);
    overflow-x: hidden;
}

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

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

ul {
    list-style: none;
}

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

input, textarea {
    font-family: inherit;
    font-size: inherit;
}

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

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

/* Preloader */
.preloader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

.preloader.hidden {
    opacity: 0;
    visibility: hidden;
}

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

.logo-animation {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-3);
    margin-bottom: var(--space-8);
}

.logo-animation .logo-img {
    height: 68px;
    width: auto;
    object-fit: contain;
    animation: float 2s ease-in-out infinite;
}

.loading-bar {
    width: 200px;
    height: 4px;
    background: var(--gray-200);
    border-radius: var(--radius-full);
    overflow: hidden;
    margin: 0 auto;
}

.loading-progress {
    height: 100%;
    background: var(--primary-gradient);
    border-radius: var(--radius-full);
    animation: loading 2s ease-in-out infinite;
}

@keyframes loading {
    0% { width: 0; transform: translateX(-100%); }
    50% { width: 100%; transform: translateX(0); }
    100% { width: 100%; transform: translateX(100%); }
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-6);
    font-family: 'Montserrat', sans-serif;
    font-size: var(--text-sm);
    font-weight: 600;
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
    white-space: nowrap;
}

.btn-primary {
    background: var(--primary-gradient);
    color: var(--white);
    box-shadow: var(--shadow-primary);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 15px 50px -10px rgba(0, 102, 255, 0.5);
}

.btn-secondary {
    background: var(--gray-200);
    color: var(--gray-700);
}

.btn-secondary:hover {
    background: var(--gray-300);
    transform: translateY(-2px);
}

.btn-outline {
    background: transparent;
    color: var(--white);
    border: 2px solid rgba(255, 255, 255, 0.3);
}

.btn-outline:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.5);
}

.btn-lg {
    padding: var(--space-4) var(--space-8);
    font-size: var(--text-base);
}

.btn-block {
    width: 100%;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: var(--space-2) 0;
    transition: all var(--transition-base);
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    box-shadow: var(--shadow-md);
    padding: var(--space-1) 0;
}

.navbar.scrolled .logo-img {
    height: 32px;
}

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

.logo {
    display: flex;
    align-items: center;
}

.logo-img {
    height: 42px;
    width: auto;
    object-fit: contain;
    transition: transform var(--transition-base);
    filter: sepia(100%) saturate(600%) hue-rotate(175deg) brightness(1.1) contrast(1.1);
}

.logo:hover .logo-img {
    transform: scale(1.05);
    filter: sepia(100%) saturate(800%) hue-rotate(175deg) brightness(1.3) contrast(1.2);
}

/* Logo remains consistent in both states */

.nav-menu {
    display: flex;
    align-items: center;
    gap: var(--space-5);
}

.nav-link {
    font-size: var(--text-sm);
    font-weight: 500;
    color: rgba(255, 255, 255, 0.9);
    position: relative;
}

.navbar.scrolled .nav-link {
    color: var(--gray-700);
}

.navbar.scrolled .dropdown-menu {
    top: calc(100% + 10px);
}

.navbar.scrolled .dropdown-toggle {
    color: var(--gray-700);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary);
    transition: width var(--transition-base);
}

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

/* Dropdown Menu Styles */
.dropdown {
    position: relative;
}

.dropdown-toggle {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    background: linear-gradient(135deg, rgba(0, 102, 255, 0.1) 0%, rgba(0, 198, 255, 0.1) 100%);
    padding: var(--space-2) var(--space-4);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(0, 102, 255, 0.2);
    transition: all var(--transition-base);
}

.dropdown-toggle:hover {
    background: linear-gradient(135deg, rgba(0, 102, 255, 0.2) 0%, rgba(0, 198, 255, 0.2) 100%);
    border-color: rgba(0, 102, 255, 0.4);
}

.dropdown-toggle i {
    font-size: var(--text-xs);
    transition: transform var(--transition-base);
}

.dropdown:hover .dropdown-toggle i {
    transform: rotate(180deg);
}

.dropdown-menu {
    position: absolute;
    top: calc(100% + 15px);
    left: 50%;
    transform: translateX(-50%) translateY(10px);
    width: 700px;
    max-width: 90vw;
    max-height: 80vh;
    overflow-y: auto;
    background: var(--white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-2xl);
    padding: var(--space-6);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
    z-index: 1001;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-4);
}

.dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

.dropdown-menu::before {
    content: '';
    position: absolute;
    top: -8px;
    left: 50%;
    transform: translateX(-50%);
    border-left: 10px solid transparent;
    border-right: 10px solid transparent;
    border-bottom: 10px solid var(--white);
}

.dropdown-category {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.category-title {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-family: 'Montserrat', sans-serif;
    font-size: var(--text-sm);
    font-weight: 700;
    color: var(--dark);
    padding-bottom: var(--space-2);
    border-bottom: 2px solid var(--primary);
}

.category-title i {
    color: var(--primary);
    font-size: var(--text-base);
}

.dropdown-items {
    display: flex;
    flex-direction: column;
    gap: var(--space-1);
}

.dropdown-items li a {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-3);
    font-size: var(--text-sm);
    color: var(--gray-700);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.dropdown-items li a:hover {
    background: var(--gray-100);
    color: var(--primary);
}

.dropdown-items li a i {
    color: var(--gray-400);
    font-size: var(--text-xs);
    width: 16px;
    text-align: center;
}

.dropdown-items li a:hover i {
    color: var(--primary);
}

.dropdown-footer {
    grid-column: 1 / -1;
    display: flex;
    justify-content: center;
    padding-top: var(--space-4);
    border-top: 1px solid var(--gray-200);
    margin-top: var(--space-2);
}

.dropdown-footer .btn {
    padding: var(--space-3) var(--space-6);
}

/* Mobile dropdown adjustments */
@media (max-width: 768px) {
    .dropdown-toggle {
        width: 100%;
        justify-content: center;
    }
    
    .dropdown-menu {
        position: static;
        transform: none;
        width: 100%;
        max-height: none;
        box-shadow: none;
        padding: var(--space-4);
        grid-template-columns: 1fr;
        opacity: 1;
        visibility: visible;
        display: none;
    }
    
    .dropdown.active .dropdown-menu {
        display: grid;
    }
    
    .dropdown-menu::before {
        display: none;
    }
    
    .dropdown-toggle i {
        margin-left: auto;
    }
    
    .dropdown.active .dropdown-toggle {
        background: var(--primary);
        color: var(--white);
        border-color: var(--primary);
    }
    
    .dropdown.active .dropdown-toggle i {
        transform: rotate(180deg);
    }
}

.nav-link:hover {
    color: var(--white);
}

.navbar.scrolled .nav-link:hover {
    color: var(--primary);
}

.nav-actions {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: var(--space-1);
}

.nav-actions .btn {
    margin-top: 22px;
}

.nav-actions .phone-link {
    font-size: var(--text-sm);
}

.nav-cta-item {
    display: flex;
    align-items: center;
}

.nav-cta-item .btn {
    padding: var(--space-2) var(--space-4);
    font-size: var(--text-sm);
    white-space: nowrap;
}

.phone-link {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-family: 'Montserrat', sans-serif;
    font-weight: 600;
    font-size: var(--text-sm);
    color: var(--white);
}

.navbar.scrolled .phone-link {
    color: var(--gray-800);
}

.phone-link i {
    color: var(--secondary);
}

.navbar.scrolled .btn-primary {
    padding: var(--space-2) var(--space-4);
    font-size: var(--text-sm);
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: var(--space-2);
}

.hamburger span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--white);
    transition: all var(--transition-base);
}

.navbar.scrolled .hamburger span {
    background: var(--dark);
}

/* Hero Section */
.hero {
    position: relative;
    min-height: 85vh;
    display: flex;
    align-items: flex-start;
    padding-top: 80px;
    overflow: hidden;
    background: var(--dark);
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.hero-particles {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(circle at 20% 50%, rgba(0, 102, 255, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(0, 212, 170, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 40% 20%, rgba(0, 198, 255, 0.1) 0%, transparent 40%);
}

.hero-gradient {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(10, 22, 40, 0.97) 0%, rgba(10, 22, 40, 0.9) 50%, rgba(0, 52, 102, 0.85) 100%);
}

.hero .container {
    position: relative;
    z-index: 2;
}

.hero-content {
    max-width: 900px;
    padding-top: 40px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-4);
    background: rgba(0, 212, 170, 0.15);
    border: 1px solid rgba(0, 212, 170, 0.3);
    border-radius: var(--radius-full);
    color: var(--secondary-light);
    font-size: var(--text-sm);
    font-weight: 500;
    margin: 0 0 var(--space-4);
}

.hero-title {
    font-family: 'Montserrat', sans-serif;
    font-size: var(--text-6xl);
    font-weight: 800;
    line-height: 1.1;
    color: var(--white);
    letter-spacing: -0.02em;
    margin-bottom: var(--space-6);
}

.hero-subtitle {
    position: relative;
    z-index: 1;
    font-size: clamp(1.02rem, 0.9vw, 1.28rem);
    font-weight: 400;
    color: rgba(255, 255, 255, 0.74);
    line-height: 1.65;
    margin: 0;
    max-width: 500px;
}

.hero-copy {
    max-width: 500px;
    margin-bottom: calc(var(--space-12) + 6px);
}

.hero-copy-shell {
    position: relative;
    padding: 0;
    background: none;
    border: 0;
    border-radius: 0;
    box-shadow: none;
    backdrop-filter: none;
    overflow: visible;
}

.hero-copy-shell::before {
    display: none;
}

.hero-copy-label {
    position: relative;
    z-index: 1;
    display: inline-flex;
    align-items: center;
    gap: var(--space-3);
    margin: 0 0 var(--space-4);
    color: rgba(255, 255, 255, 0.62);
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.22em;
    text-transform: uppercase;
}

.hero-copy-label::before {
    content: '';
    width: 36px;
    height: 1px;
    background: linear-gradient(90deg, var(--secondary), rgba(255, 255, 255, 0.28));
}

.hero-highlights {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--space-5);
    max-width: 760px;
}

.hero-highlight {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: auto 1fr;
    gap: var(--space-4);
    align-items: start;
    padding-top: var(--space-4);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.hero-highlight-index {
    display: inline-block;
    min-width: 2.2rem;
    font-family: 'Montserrat', sans-serif;
    font-size: 1.65rem;
    font-weight: 700;
    line-height: 1;
    color: rgba(255, 255, 255, 0.18);
    letter-spacing: 0.08em;
}

.hero-highlight-body {
    min-width: 0;
}

.hero-highlight-kicker {
    display: block;
    margin-bottom: var(--space-3);
    color: var(--secondary-light);
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.14em;
    text-transform: uppercase;
}

.hero-highlight p {
    margin: 0 0 var(--space-5);
    color: rgba(255, 255, 255, 0.84);
    font-size: 0.95rem;
    line-height: 1.75;
}

.hero-stats {
    display: flex;
    gap: var(--space-12);
    margin-bottom: var(--space-10);
}

.stat-item {
    text-align: left;
}

.stat-number {
    font-family: 'Montserrat', sans-serif;
    font-size: var(--text-4xl);
    font-weight: 800;
    color: var(--white);
    line-height: 1;
}

.stat-suffix {
    font-family: 'Montserrat', sans-serif;
    font-size: var(--text-2xl);
    font-weight: 700;
    color: var(--primary-light);
}

.stat-label {
    display: block;
    font-size: var(--text-sm);
    color: rgba(255, 255, 255, 0.6);
    margin-top: var(--space-1);
}

.hero-actions {
    display: flex;
    gap: var(--space-4);
}

.hero-note {
    margin-top: var(--space-4);
    font-size: var(--text-sm);
    line-height: 1.6;
    color: rgba(255, 255, 255, 0.78);
    max-width: 420px;
}

.hero-scroll {
    position: absolute;
    bottom: var(--space-8);
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
}

.scroll-indicator {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-3);
    color: rgba(255, 255, 255, 0.5);
    font-size: var(--text-xs);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    transition: color var(--transition-base);
}

.scroll-indicator:hover {
    color: var(--white);
}

.mouse {
    width: 24px;
    height: 40px;
    border: 2px solid currentColor;
    border-radius: var(--radius-full);
    position: relative;
}

.wheel {
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    height: 8px;
    background: currentColor;
    border-radius: var(--radius-full);
    animation: scroll-wheel 1.5s ease-in-out infinite;
}

@keyframes scroll-wheel {
    0% { opacity: 1; transform: translateX(-50%) translateY(0); }
    100% { opacity: 0; transform: translateX(-50%) translateY(12px); }
}

/* Section Styles */
section {
    padding: var(--space-24) 0;
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto var(--space-16);
}

.section-subtitle {
    display: inline-block;
    font-family: 'Montserrat', sans-serif;
    font-size: var(--text-sm);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--primary);
    margin-bottom: var(--space-3);
}

.section-title {
    font-family: 'Montserrat', sans-serif;
    font-size: var(--text-4xl);
    font-weight: 700;
    line-height: 1.2;
    color: var(--dark);
    letter-spacing: -0.02em;
}

/* About Section */
.about {
    background: var(--gray-50);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-16);
    align-items: center;
}

.about-text {
    font-size: var(--text-lg);
    color: var(--gray-600);
    line-height: 1.8;
    margin-bottom: var(--space-6);
}

.about-text strong {
    color: var(--dark);
}

.about-features {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
    margin-top: var(--space-8);
}

.feature-item {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    padding: var(--space-4);
    background: var(--white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-sm);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    position: relative;
    overflow: hidden;
    border: 1px solid transparent;
    opacity: 0;
    transform: translateX(-30px);
}

.feature-item.visible {
    opacity: 1;
    transform: translateX(0);
}

/* Задержки появления */
.feature-item:nth-child(1).visible { transition-delay: 0s; }
.feature-item:nth-child(2).visible { transition-delay: 0.1s; }
.feature-item:nth-child(3).visible { transition-delay: 0.2s; }
.feature-item:nth-child(4).visible { transition-delay: 0.3s; }
.feature-item:nth-child(5).visible { transition-delay: 0.4s; }

.feature-item:hover {
    transform: translateX(8px);
    box-shadow: 0 10px 30px rgba(0, 102, 255, 0.1);
    border-color: rgba(0, 102, 255, 0.2);
}

/* Эффект блика */
.feature-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(0, 102, 255, 0.03), transparent);
    transition: left 0.5s ease;
}

.feature-item:hover::before {
    left: 100%;
}

.feature-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary-gradient);
    border-radius: var(--radius-lg);
    color: var(--white);
    font-size: var(--text-lg);
    transition: transform 0.25s cubic-bezier(0.68, -0.55, 0.265, 1.55),
                background 0.25s ease,
                color 0.25s ease,
                box-shadow 0.25s ease;
    box-shadow: 0 4px 15px rgba(0, 102, 255, 0.3);
}

.feature-item:hover .feature-icon {
    transform: scale(1.2) rotate(-5deg);
    box-shadow: 0 8px 25px rgba(0, 102, 255, 0.4);
}

/* Наклон иконки влево при наведении */
@keyframes iconTiltLeft {
    0%, 100% { transform: scale(1.2) rotate(-5deg); }
    50% { transform: scale(1.15) rotate(-8deg); }
}

.feature-item:hover .feature-icon {
    animation: iconTiltLeft 1.5s ease-in-out infinite;
}

.feature-info {
    display: flex;
    flex-direction: column;
}

.feature-title {
    font-family: 'Montserrat', sans-serif;
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--gray-900);
    transition: color 0.3s ease;
}

.feature-item:hover .feature-title {
    color: var(--primary);
}

.feature-desc {
    font-size: var(--text-sm);
    color: var(--gray-500);
    transition: color 0.3s ease;
}

.feature-item:hover .feature-desc {
    color: var(--gray-700);
}

.about-visual {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4);
}

.visual-card {
    padding: var(--space-6);
    background: var(--white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275), 
                box-shadow 0.3s ease;
    position: relative;
    overflow: hidden;
    opacity: 0;
    transform: translateY(30px) scale(0.95);
}

.visual-card.visible {
    opacity: 1;
    transform: translateY(0) scale(1);
    transition: opacity 0.6s ease, transform 0.6s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

/* Эффект блика при наведении */
.visual-card::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(
        45deg,
        transparent 30%,
        rgba(0, 102, 255, 0.05) 50%,
        transparent 70%
    );
    transform: translateX(-100%) rotate(45deg);
    transition: transform 0.6s ease;
    pointer-events: none;
}

.visual-card:hover::before {
    transform: translateX(100%) rotate(45deg);
}

.visual-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 20px 40px rgba(0, 102, 255, 0.15);
}

/* Появление карточек с задержкой */
.visual-card:nth-child(1).visible { transition-delay: 0s; }
.visual-card:nth-child(2).visible { transition-delay: 0.1s; }
.visual-card:nth-child(3).visible { transition-delay: 0.2s; }
.visual-card:nth-child(4).visible { transition-delay: 0.3s; }
.visual-card:nth-child(5).visible { transition-delay: 0.4s; }

/* Все карточки одинакового размера для единообразия hover */

.card-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(0, 102, 255, 0.1) 0%, rgba(0, 198, 255, 0.1) 100%);
    border-radius: var(--radius-lg);
    color: var(--primary);
    font-size: var(--text-2xl);
    margin: 0 0 var(--space-4);
    transition: transform 0.25s cubic-bezier(0.68, -0.55, 0.265, 1.55),
                background 0.25s ease,
                color 0.25s ease,
                box-shadow 0.25s ease;
    position: relative;
}

.visual-card:hover .card-icon {
    transform: scale(1.15) rotate(-5deg);
    background: var(--primary-gradient);
    color: var(--white);
    box-shadow: 0 10px 25px rgba(0, 102, 255, 0.3);
}

/* Пульсация иконки */
@keyframes iconPulseSoft {
    0%, 100% { transform: scale(1.15) rotate(-5deg); }
    50% { transform: scale(1.2) rotate(-3deg); }
}

.visual-card:hover .card-icon {
    animation: iconPulseSoft 2s ease-in-out infinite;
}

.visual-card h3 {
    font-family: 'Montserrat', sans-serif;
    font-size: var(--text-lg);
    font-weight: 700;
    color: var(--dark);
    margin-bottom: var(--space-2);
    transition: color 0.2s ease;
}

.visual-card:hover h3 {
    color: var(--primary);
}

.visual-card p {
    font-size: var(--text-sm);
    color: var(--gray-500);
    transition: color 0.2s ease;
}

.visual-card:hover p {
    color: var(--gray-600);
}

/* Services Section */
.services {
    background: var(--white);
}

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

.service-card {
    position: relative;
    padding: var(--space-8);
    background: var(--gray-50);
    border-radius: var(--radius-2xl);
    border: 1px solid var(--gray-200);
    transition: all var(--transition-base);
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--primary-gradient);
    transform: scaleX(0);
    transition: transform var(--transition-base);
}

.service-card:hover {
    background: var(--white);
    box-shadow: var(--shadow-xl);
    transform: translateY(-5px);
}

.service-card:hover::before {
    transform: scaleX(1);
}



.service-number {
    font-family: 'Montserrat', sans-serif;
    font-size: var(--text-5xl);
    font-weight: 800;
    color: var(--primary);
    opacity: 0.2;
    line-height: 1;
    margin: 0 0 var(--space-4);
}



.service-icon {
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary-gradient);
    border-radius: var(--radius-xl);
    color: var(--white);
    font-size: var(--text-2xl);
    margin-bottom: var(--space-6);
}

/* Responsive logo adjustments */
@media (max-width: 768px) {
    .logo-img {
        height: 34px;
        filter: sepia(100%) saturate(600%) hue-rotate(175deg) brightness(1.1) contrast(1.1);
    }
    
    .logo-animation .logo-img {
        height: 42px;
        filter: sepia(100%) saturate(600%) hue-rotate(175deg) brightness(1.1) contrast(1.1);
    }
    
    .footer-logo .logo-img {
        height: 30px;
        filter: sepia(100%) saturate(600%) hue-rotate(175deg) brightness(1.1) contrast(1.1);
    }
    
    .navbar.scrolled .logo-img {
        height: 28px;
        filter: sepia(100%) saturate(600%) hue-rotate(175deg) brightness(1.1) contrast(1.1);
    }
}

.service-title {
    font-family: 'Montserrat', sans-serif;
    font-size: var(--text-xl);
    font-weight: 700;
    color: var(--dark);
    margin-bottom: var(--space-4);
}

.service-desc {
    font-size: var(--text-base);
    color: var(--gray-600);
    line-height: 1.65;
    margin-bottom: var(--space-6);
    flex-grow: 1;
}

.service-list {
    margin-top: auto;
}

.service-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.service-list li {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--text-sm);
    color: var(--gray-700);
}

.service-list i {
    color: var(--secondary);
    font-size: var(--text-xs);
}

/* Catalog Section */
.catalog-section {
    background: var(--gray-50);
    padding: var(--space-24) 0;
}

.catalog-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-6);
    margin-bottom: var(--space-12);
}

.catalog-card {
    background: var(--white);
    border-radius: var(--radius-2xl);
    padding: var(--space-8);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
    border: 1px solid var(--gray-200);
}

.catalog-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-light);
}

.catalog-icon {
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary-gradient);
    border-radius: var(--radius-xl);
    color: var(--white);
    font-size: var(--text-2xl);
    margin-bottom: var(--space-5);
    transition: all var(--transition-base);
}

.catalog-card:hover .catalog-icon {
    transform: scale(1.1) rotate(5deg);
}

.catalog-card h3 {
    font-family: 'Montserrat', sans-serif;
    font-size: var(--text-xl);
    font-weight: 700;
    color: var(--dark);
    margin-bottom: var(--space-4);
    line-height: 1.3;
}

.catalog-items {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.catalog-items li {
    font-size: var(--text-sm);
    color: var(--gray-600);
    padding: var(--space-2) 0;
    border-bottom: 1px solid var(--gray-100);
    transition: color var(--transition-fast);
}

.catalog-items li:last-child {
    border-bottom: none;
}

.catalog-card:hover .catalog-items li {
    color: var(--gray-700);
}

.catalog-cta {
    text-align: center;
    padding: var(--space-8);
    background: var(--white);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-md);
}

.catalog-cta p {
    font-size: var(--text-lg);
    color: var(--gray-600);
    margin-bottom: var(--space-4);
}

.promo-item {
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.promo-label {
    display: inline-block;
    background: linear-gradient(135deg, #FF6B35 0%, #FF8C42 100%);
    color: var(--white);
    font-size: var(--text-xs);
    font-weight: 700;
    padding: 2px 8px;
    border-radius: var(--radius-sm);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.dropdown-promo {
    display: inline-block;
    background: linear-gradient(135deg, #FF6B35 0%, #FF8C42 100%);
    color: var(--white);
    font-size: 10px;
    font-weight: 700;
    padding: 2px 6px;
    border-radius: var(--radius-sm);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-left: var(--space-2);
}

/* Responsive catalog */
@media (max-width: 992px) {
    .catalog-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 576px) {
    .catalog-grid {
        grid-template-columns: 1fr;
    }
    
    .catalog-card {
        padding: var(--space-6);
    }
}

/* Advantages Section */
.advantages {
    background: var(--gray-50);
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-6);
}

.advantage-card {
    padding: var(--space-8);
    background: var(--white);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-sm);
    text-align: center;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    position: relative;
    overflow: hidden;
    opacity: 0;
    transform: translateY(30px);
}

.advantage-card.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Эффект блика при наведении */
.advantage-card::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(
        45deg,
        transparent 30%,
        rgba(255, 255, 255, 0.3) 50%,
        transparent 70%
    );
    transform: translateX(-100%) rotate(45deg);
    transition: transform 0.8s ease;
    pointer-events: none;
}

.advantage-card:hover::after {
    transform: translateX(100%) rotate(45deg);
}

/* Стили для длительности появления */
.advantage-card:nth-child(1).visible { transition-delay: 0s; }
.advantage-card:nth-child(2).visible { transition-delay: 0.1s; }
.advantage-card:nth-child(3).visible { transition-delay: 0.2s; }
.advantage-card:nth-child(4).visible { transition-delay: 0.3s; }
.advantage-card:nth-child(5).visible { transition-delay: 0.4s; }
.advantage-card:nth-child(6).visible { transition-delay: 0.5s; }

.advantage-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--primary-gradient);
    transform: scaleX(0);
    transition: transform 0.4s ease;
}

.advantage-card:hover {
    box-shadow: 0 20px 40px rgba(0, 102, 255, 0.15);
    transform: translateY(-10px);
}

.advantage-card:hover::before {
    transform: scaleX(1);
}

.advantage-icon {
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary-gradient);
    border-radius: var(--radius-2xl);
    color: var(--white);
    font-size: var(--text-3xl);
    margin: 0 auto var(--space-6);
    transition: all 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    position: relative;
    z-index: 1;
    box-shadow: 0 10px 30px rgba(0, 102, 255, 0.3);
}

.advantage-icon::before {
    content: '';
    position: absolute;
    top: -3px;
    left: -3px;
    right: -3px;
    bottom: -3px;
    background: linear-gradient(135deg, var(--primary), var(--secondary), var(--primary));
    border-radius: var(--radius-2xl);
    z-index: -1;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.advantage-card:hover .advantage-icon {
    transform: scale(1.15) rotate(8deg);
    box-shadow: 0 15px 40px rgba(0, 102, 255, 0.4);
}

.advantage-card:hover .advantage-icon::before {
    opacity: 1;
    animation: border-rotate 2s linear infinite;
}

@keyframes border-rotate {
    0% { filter: hue-rotate(0deg); }
    100% { filter: hue-rotate(360deg); }
}

.advantage-card h3 {
    font-family: 'Montserrat', sans-serif;
    font-size: var(--text-lg);
    font-weight: 700;
    color: var(--dark);
    margin-bottom: var(--space-3);
    transition: all 0.3s ease;
    position: relative;
    z-index: 1;
}

.advantage-card:hover h3 {
    color: var(--primary);
    transform: scale(1.02);
}

.advantage-card p {
    font-size: var(--text-base);
    color: var(--gray-600);
    line-height: 1.6;
    transition: all 0.3s ease;
    position: relative;
    z-index: 1;
}

.advantage-card:hover p {
    color: var(--gray-800);
}

/* Calculator Section */
.calculator {
    background: linear-gradient(135deg, var(--gray-50) 0%, var(--white) 100%);
    padding: var(--space-24) 0;
    position: relative;
}

.calculator::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--gray-200), transparent);
}

.calculator-wrapper {
    max-width: 1200px;
    margin: 0 auto;
}

/* Табы калькулятора */
.calc-tabs {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: var(--space-4);
    margin-bottom: var(--space-8);
    padding: var(--space-5);
    background: linear-gradient(180deg, rgba(0, 102, 255, 0.06) 0%, rgba(255, 255, 255, 0.9) 100%);
    border: 1px solid rgba(0, 102, 255, 0.08);
    border-radius: var(--radius-2xl);
}

.calc-tabs::-webkit-scrollbar {
    display: none;
}

.calc-tabs::-webkit-scrollbar-thumb {
    display: none;
}

.calc-tab {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 86px;
    padding: var(--space-4) var(--space-5);
    background: rgba(255, 255, 255, 0.96);
    border: 1px solid rgba(0, 102, 255, 0.12);
    border-radius: var(--radius-2xl);
    font-family: 'Montserrat', sans-serif;
    font-size: var(--text-sm);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--gray-700);
    cursor: pointer;
    transition: all 0.3s ease;
    text-align: center;
    white-space: normal;
}

.calc-tab:hover {
    border-color: rgba(0, 102, 255, 0.28);
    color: var(--primary);
    transform: translateY(-3px);
    box-shadow: 0 14px 32px rgba(0, 102, 255, 0.12);
}

.calc-tab.active {
    background: var(--primary-gradient);
    border-color: transparent;
    color: var(--white);
    box-shadow: 0 18px 35px rgba(0, 102, 255, 0.28);
}

.calc-tab i {
    display: none;
}

.calc-tab span {
    display: block;
}

/* Контент табов */
.calc-content {
    background: var(--white);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
    margin-bottom: var(--space-8);
}

.calc-panel {
    display: none;
    padding: var(--space-8);
}

.calc-panel.active {
    display: block;
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Layout калькулятора - две колонки */
.calc-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-8);
    align-items: start;
}

/* Левая колонка - изображение */
.calc-image {
    background: var(--gray-50);
    border-radius: var(--radius-xl);
    padding: var(--space-6);
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 300px;
}

.calc-image-wrapper {
    width: 100%;
    max-width: 300px;
}

.calc-image-wrapper img {
    width: 100%;
    height: auto;
}

.calc-image-wrapper.hidden {
    display: none;
}

/* Правая колонка - форма */
.calc-form {
    display: flex;
    flex-direction: column;
    gap: var(--space-5);
}

.calc-title {
    font-family: 'Montserrat', sans-serif;
    font-size: var(--text-lg);
    font-weight: 700;
    color: var(--dark);
    margin: 0 0 var(--space-5);
    padding-bottom: var(--space-4);
    border-bottom: 2px solid var(--primary);
}

.calc-data-title {
    font-weight: 600;
    color: var(--gray-700);
    font-size: var(--text-base);
    margin-top: var(--space-2);
}

.calc-section-type {
    display: flex;
    gap: var(--space-6);
    flex-wrap: wrap;
    padding-bottom: var(--space-4);
    border-bottom: 1px solid var(--gray-100);
}

.radio-label {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    cursor: pointer;
    font-size: var(--text-sm);
    color: var(--gray-700);
    transition: color 0.3s ease;
}

.radio-label:hover {
    color: var(--primary);
}

.radio-label input[type="radio"] {
    display: none;
}

.radio-custom {
    width: 20px;
    height: 20px;
    border: 2px solid var(--gray-300);
    border-radius: 50%;
    position: relative;
    transition: all 0.3s ease;
}

.radio-label input[type="radio"]:checked + .radio-custom {
    border-color: var(--primary);
}

.radio-label input[type="radio"]:checked + .radio-custom::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 10px;
    height: 10px;
    background: var(--primary);
    border-radius: 50%;
}

.radio-label input[type="radio"]:checked ~ span:last-child {
    color: var(--primary);
    font-weight: 600;
}

/* Поля ввода - стиль как на wentprom */
.calc-inputs {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.calc-inputs.hidden {
    display: none;
}

.calc-field {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    background: var(--gray-50);
    padding: var(--space-3) var(--space-4);
    border-radius: var(--radius-lg);
    border: 1px solid var(--gray-200);
}

.calc-field label {
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--gray-700);
    min-width: 120px;
    flex-shrink: 0;
}

.calc-input-wrap {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    flex: 1;
}

.calc-field input,
.calc-field select {
    flex: 1;
    padding: var(--space-2) var(--space-3);
    border: 1px solid var(--gray-300);
    border-radius: var(--radius-md);
    font-size: var(--text-base);
    font-family: 'Montserrat', sans-serif;
    transition: all 0.3s ease;
    background: var(--white);
    min-width: 80px;
}

.calc-field input:focus,
.calc-field select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 2px rgba(0, 102, 255, 0.1);
}

.calc-unit {
    font-size: var(--text-sm);
    color: var(--gray-500);
    font-weight: 500;
    min-width: 30px;
    text-align: right;
}

/* Результат расчета - стиль как на wentprom */
.calc-result-box {
    background: var(--gray-50);
    border-radius: var(--radius-lg);
    padding: var(--space-4);
    margin-top: var(--space-2);
}

.calc-result-title {
    font-weight: 600;
    color: var(--gray-700);
    font-size: var(--text-base);
    margin-bottom: var(--space-3);
}

.calc-result-row {
    display: flex;
    gap: var(--space-4);
}

.calc-result-item {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    background: var(--white);
    padding: var(--space-3) var(--space-4);
    border-radius: var(--radius-md);
    border: 2px solid var(--primary);
    flex: 1;
}

.calc-result-label {
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--white);
    background: var(--primary);
    padding: var(--space-2) var(--space-3);
    border-radius: var(--radius-sm);
}

.calc-result-value-wrap {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    flex: 1;
    justify-content: flex-end;
}

.calc-result-value {
    font-family: 'Montserrat', sans-serif;
    font-size: var(--text-lg);
    font-weight: 700;
    color: var(--primary);
    min-width: 80px;
    text-align: right;
}

/* Кнопка добавить в спецификацию */
.btn-add-spec {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-4);
    background: var(--gray-200);
    color: var(--gray-500);
    border: 2px dashed var(--gray-300);
    border-radius: var(--radius-lg);
    font-family: 'Montserrat', sans-serif;
    font-size: var(--text-base);
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-top: var(--space-2);
}

.btn-add-spec:hover {
    background: var(--success);
    color: var(--white);
    border-color: var(--success);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(16, 185, 129, 0.3);
}

.btn-add-spec i {
    font-size: var(--text-lg);
}

/* Спецификация */
.calc-specification {
    background: var(--white);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-lg);
    padding: var(--space-8);
}

.spec-title {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    font-family: 'Montserrat', sans-serif;
    font-size: var(--text-lg);
    font-weight: 700;
    color: var(--dark);
    margin-bottom: var(--space-6);
}

.spec-title i {
    color: var(--primary);
}

.spec-table-wrapper {
    overflow-x: auto;
    margin-bottom: var(--space-6);
    border-radius: var(--radius-xl);
    border: 1px solid var(--gray-200);
}

.spec-table {
    width: 100%;
    border-collapse: collapse;
    font-size: var(--text-sm);
}

.spec-table th,
.spec-table td {
    padding: var(--space-3) var(--space-4);
    text-align: left;
    border-bottom: 1px solid var(--gray-200);
}

.spec-table th {
    background: var(--gray-50);
    font-weight: 600;
    color: var(--gray-700);
    white-space: nowrap;
}

.spec-table tbody tr:hover {
    background: var(--gray-50);
}

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

.spec-total {
    background: var(--primary-gradient);
    color: var(--white);
}

.spec-total td {
    padding: var(--space-4);
    font-size: var(--text-lg);
    border-bottom: none;
}

.btn-delete {
    padding: var(--space-2) var(--space-3);
    background: var(--error);
    color: var(--white);
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-delete:hover {
    background: #dc2626;
}

/* Действия со спецификацией */
.spec-actions {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-4);
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-6);
}

.discount-banner {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-3);
    padding: var(--space-4) var(--space-6);
    background: linear-gradient(135deg, #fef3c7 0%, #fde68a 100%);
    border-radius: var(--radius-xl);
    border: 2px dashed var(--warning);
    color: var(--dark);
}

.discount-banner i {
    font-size: var(--text-lg);
    color: var(--warning);
}

.discount-banner strong {
    color: var(--error);
}

/* Responsive Calculator */
@media (max-width: 992px) {
    .calc-layout {
        grid-template-columns: 1fr;
    }
    
    .calc-image {
        min-height: 200px;
    }
    
    .calc-image-wrapper {
        max-width: 200px;
    }
}

@media (max-width: 768px) {
    .calc-tabs {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: var(--space-3);
        padding: var(--space-4);
    }
    
    .calc-tab {
        min-height: 72px;
        padding: var(--space-3);
        font-size: 0.78rem;
    }
    
    .calc-tab span {
        display: block;
    }
    
    .calc-field {
        flex-direction: column;
        align-items: stretch;
        gap: var(--space-2);
    }
    
    .calc-field label {
        min-width: auto;
    }
    
    .calc-result-row {
        flex-direction: column;
    }
    
    .spec-actions {
        flex-direction: column;
    }
    
    .spec-actions .btn {
        width: 100%;
    }
}

/* Promotions Section */
.promotions {
    background: var(--white);
    padding: var(--space-24) 0;
}

.promotions-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-6);
    max-width: 720px;
    margin: 0 auto;
}

.promo-card {
    position: relative;
    background: var(--white);
    padding: var(--space-12) var(--space-10);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-md);
    border: 2px solid var(--gray-200);
    text-align: center;
    transition: all var(--transition-base);
}

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

.promo-image {
    position: relative;
    border-radius: var(--radius-2xl);
    overflow: visible;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
    padding-top: 16px;
    min-height: 400px;
    display: flex;
    flex-direction: column;
}

.promo-image:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.promo-image img {
    width: 100%;
    height: 400px;
    object-fit: contain;
    display: block;
    background: var(--white);
}

.promo-image-badge {
    position: absolute;
    top: -10px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, #FF6B35 0%, #FF8C42 100%);
    color: var(--white);
    padding: var(--space-2) var(--space-5);
    border-radius: var(--radius-full);
    font-weight: 700;
    font-size: var(--text-sm);
    z-index: 2;
    box-shadow: var(--shadow-md);
}

.promo-delivery {
    background: var(--white);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 400px;
}

.promo-delivery-content {
    text-align: center;
    padding: var(--space-8);
}

.delivery-icon-wrapper {
    width: 100px;
    height: 100px;
    background: linear-gradient(135deg, #0066FF 0%, #00C6FF 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--space-6);
    box-shadow: 0 10px 30px rgba(0, 102, 255, 0.3);
}

.delivery-icon-wrapper i {
    font-size: 50px;
    color: var(--white);
}

.promo-delivery-content h3 {
    font-family: 'Montserrat', sans-serif;
    font-size: var(--text-2xl);
    font-weight: 700;
    color: var(--dark);
    margin-bottom: var(--space-3);
}

.delivery-line {
    width: 255px;
    height: 3px;
    background: linear-gradient(135deg, #0066FF 0%, #00C6FF 100%);
    margin: var(--space-3) auto var(--space-5);
    border-radius: var(--radius-full);
}

.promo-delivery-content p {
    font-size: var(--text-lg);
    color: var(--gray-600);
}

.delivery-price-badge {
    display: inline-block;
    background: linear-gradient(135deg, #0066FF 0%, #00C6FF 100%);
    color: var(--white);
    padding: var(--space-2) var(--space-4);
    border-radius: var(--radius-lg);
    font-weight: 700;
    font-size: var(--text-base);
    margin-left: var(--space-2);
    box-shadow: 0 4px 15px rgba(0, 102, 255, 0.3);
}

.promo-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, #FF6B35 0%, #FF8C42 100%);
    color: var(--white);
    padding: var(--space-2) var(--space-5);
    border-radius: var(--radius-full);
    font-weight: 700;
    font-size: var(--text-sm);
}

.promo-card h3 {
    font-family: 'Montserrat', sans-serif;
    font-size: var(--text-2xl);
    font-weight: 700;
    color: var(--dark);
    margin: 0 0 var(--space-4);
    margin-top: var(--space-4);
}

.promo-card p {
    color: var(--gray-600);
    font-size: var(--text-lg);
    line-height: 1.6;
}

/* Payment & Delivery Section */
.payment-delivery {
    background: var(--gray-50);
    padding: var(--space-24) 0;
}

.payment-delivery-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-8);
}

.pd-card {
    background: var(--white);
    padding: var(--space-8);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
}

.pd-card:hover {
    box-shadow: var(--shadow-xl);
    transform: translateY(-3px);
}

.pd-icon {
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary-gradient);
    border-radius: var(--radius-xl);
    color: var(--white);
    font-size: var(--text-2xl);
    margin: 0 0 var(--space-5);
}

.pd-card h3 {
    font-family: 'Montserrat', sans-serif;
    font-size: var(--text-2xl);
    font-weight: 700;
    color: var(--dark);
    margin: 0 0 var(--space-5);
}

.pd-card ul {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.pd-card ul li {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    font-size: var(--text-base);
    color: var(--gray-700);
}

.pd-card ul li i {
    color: var(--success);
    font-size: var(--text-sm);
}

/* Responsive */
@media (max-width: 992px) {
    .promotions-grid {
        grid-template-columns: 1fr;
    }
    
    .payment-delivery-grid {
        grid-template-columns: 1fr;
    }
}

/* Process Section */
.process {
    background: var(--white);
}

.process-timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
}

.timeline-line {
    position: absolute;
    top: 0;
    left: 24px;
    width: 2px;
    height: 0;
    background: linear-gradient(180deg, var(--primary) 0%, var(--secondary) 100%);
    transition: height 1.5s ease-out;
}

.timeline-line.animate {
    height: 100%;
}

.process-step {
    position: relative;
    display: flex;
    align-items: flex-start;
    gap: var(--space-6);
    padding-bottom: var(--space-10);
    transition: transform 0.3s ease;
}

.process-step:hover {
    transform: translateX(10px);
}

.process-step:last-child {
    padding-bottom: 0;
}

.step-number {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary-gradient);
    border-radius: var(--radius-full);
    color: var(--white);
    font-family: 'Montserrat', sans-serif;
    font-size: var(--text-lg);
    font-weight: 700;
    flex-shrink: 0;
    z-index: 1;
    box-shadow: 0 0 0 0 rgba(0, 102, 255, 0.4);
    transition: all 0.3s ease;
    position: relative;
}

.step-number::before {
    content: '';
    position: absolute;
    top: -5px;
    left: -5px;
    right: -5px;
    bottom: -5px;
    border-radius: 50%;
    border: 2px solid transparent;
    border-top-color: var(--primary);
    border-right-color: var(--primary);
    opacity: 0;
    transition: all 0.3s ease;
}

.process-step:hover .step-number {
    transform: scale(1.1);
    box-shadow: 0 0 20px rgba(0, 102, 255, 0.5);
}

.process-step:hover .step-number::before {
    opacity: 1;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.step-number.pulse {
    animation: pulse-glow 2s infinite;
}

@keyframes pulse-glow {
    0% {
        box-shadow: 0 0 0 0 rgba(0, 102, 255, 0.4);
    }
    70% {
        box-shadow: 0 0 0 15px rgba(0, 102, 255, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(0, 102, 255, 0);
    }
}

.step-content {
    padding-top: var(--space-2);
    opacity: 0;
    transform: translateX(30px);
    transition: all 0.6s ease;
}

.process-step.visible .step-content {
    opacity: 1;
    transform: translateX(0);
}

.step-content h3 {
    font-family: 'Montserrat', sans-serif;
    font-size: var(--text-lg);
    font-weight: 700;
    color: var(--dark);
    margin-bottom: var(--space-2);
    transition: color 0.3s ease;
}

.process-step:hover .step-content h3 {
    color: var(--primary);
}

.step-content p {
    font-size: var(--text-base);
    color: var(--gray-600);
    line-height: 1.6;
    transition: color 0.3s ease;
}

.process-step:hover .step-content p {
    color: var(--gray-800);
}

/* CTA Section */
.cta-section {
    background: var(--primary-gradient);
    padding: var(--space-24) 0;
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 600px;
    height: 600px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 50%;
}

.cta-section::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -10%;
    width: 400px;
    height: 400px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 50%;
}

.cta-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.cta-title {
    font-family: 'Montserrat', sans-serif;
    font-size: var(--text-4xl);
    font-weight: 700;
    color: var(--white);
    margin: 0 0 var(--space-4);
    line-height: 1.2;
}

.cta-text {
    font-size: var(--text-lg);
    color: rgba(255, 255, 255, 0.9);
    line-height: 1.65;
    margin-bottom: var(--space-10);
}

.cta-form {
    background: var(--white);
    padding: var(--space-8);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-2xl);
    margin-bottom: var(--space-8);
}

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

.form-group {
    margin: 0 0 var(--space-4);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: var(--space-4);
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-lg);
    font-size: var(--text-base);
    transition: all var(--transition-base);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(0, 102, 255, 0.1);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--gray-400);
}

.cta-contacts {
    display: flex;
    justify-content: center;
    gap: var(--space-6);
    flex-wrap: wrap;
}

.cta-phone,
.cta-whatsapp {
    display: inline-flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-4) var(--space-8);
    background: rgba(255, 255, 255, 0.15);
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: var(--radius-xl);
    color: var(--white);
    font-family: 'Montserrat', sans-serif;
    font-size: var(--text-lg);
    font-weight: 600;
    transition: all var(--transition-base);
}

.cta-phone:hover,
.cta-whatsapp:hover {
    background: var(--white);
    color: var(--primary);
}

.cta-phone i,
.cta-whatsapp i {
    font-size: var(--text-lg);
}

.cta-whatsapp {
    background: rgba(37, 211, 102, 0.3);
    border-color: rgba(37, 211, 102, 0.5);
}

.cta-whatsapp:hover {
    background: #25D366;
    color: var(--white);
}

/* Contacts Section */
.contacts {
    background: var(--gray-50);
    padding-bottom: var(--space-16);
}

.contacts-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-6);
    margin-bottom: var(--space-12);
}

.contact-card {
    background: var(--white);
    padding: var(--space-8);
    border-radius: var(--radius-2xl);
    text-align: center;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
}

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

.contact-icon {
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary-gradient);
    border-radius: var(--radius-xl);
    color: var(--white);
    font-size: var(--text-2xl);
    margin: 0 auto var(--space-4);
}

.contact-card h3 {
    font-family: 'Montserrat', sans-serif;
    font-size: var(--text-lg);
    font-weight: 700;
    color: var(--dark);
    margin-bottom: var(--space-2);
}

.contact-link {
    display: block;
    font-size: var(--text-base);
    font-weight: 600;
    color: var(--primary);
    margin-bottom: var(--space-1);
    transition: color var(--transition-fast);
}

.contact-link:hover {
    color: var(--primary-dark);
}

.contact-note {
    font-size: var(--text-sm);
    color: var(--gray-500);
}

.social-links {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-4);
}

.social-label {
    font-size: var(--text-base);
    color: var(--gray-600);
}

.social-link {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-6);
    background: linear-gradient(45deg, #f09433 0%, #e6683c 25%, #dc2743 50%, #cc2366 75%, #bc1888 100%);
    border-radius: var(--radius-full);
    color: var(--white);
    font-weight: 600;
    transition: all var(--transition-base);
}

.social-link:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow-lg);
}

.social-link i {
    font-size: var(--text-lg);
}

/* Footer */
.footer {
    background: var(--dark);
    color: var(--white);
    padding: var(--space-16) 0 var(--space-8);
}

.footer-content {
    display: grid;
    grid-template-columns: 1.5fr 2fr;
    gap: var(--space-16);
    margin-bottom: var(--space-12);
}

.footer-logo {
    display: flex;
    align-items: center;
    margin: 0 0 var(--space-4);
}

.footer-logo .logo-img {
    height: 42px;
    width: auto;
    object-fit: contain;
}

.footer-desc {
    font-size: var(--text-base);
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.65;
    max-width: 400px;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-8);
}

.footer-column h4 {
    font-family: 'Montserrat', sans-serif;
    font-size: var(--text-base);
    font-weight: 700;
    color: var(--white);
    margin: 0 0 var(--space-4);
}

.footer-column ul {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.footer-column a {
    font-size: var(--text-sm);
    color: rgba(255, 255, 255, 0.7);
    transition: color var(--transition-fast);
}

.footer-column a:hover {
    color: var(--secondary-light);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--space-8);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom p {
    font-size: var(--text-sm);
    color: rgba(255, 255, 255, 0.5);
}

.footer-note {
    color: var(--secondary-light) !important;
}

/* Fixed CTA */
.fixed-cta {
    position: fixed;
    bottom: var(--space-6);
    right: var(--space-6);
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-5);
    background: var(--primary-gradient);
    color: var(--white);
    font-family: 'Montserrat', sans-serif;
    font-size: var(--text-sm);
    font-weight: 600;
    border-radius: var(--radius-full);
    box-shadow: var(--shadow-primary);
    z-index: 999;
    transform: translateY(100px);
    opacity: 0;
    transition: all var(--transition-base);
}

.fixed-cta.visible {
    transform: translateY(0);
    opacity: 1;
}

.fixed-cta:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 50px -10px rgba(0, 102, 255, 0.5);
}

.fixed-cta i {
    font-size: var(--text-lg);
}

/* Modal */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
}

.modal.active {
    opacity: 1;
    visibility: visible;
}

.modal-content {
    background: var(--white);
    padding: var(--space-10);
    border-radius: var(--radius-2xl);
    text-align: center;
    max-width: 400px;
    transform: scale(0.9);
    transition: transform var(--transition-base);
}

.modal.active .modal-content {
    transform: scale(1);
}

.modal-icon {
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--success);
    border-radius: var(--radius-full);
    color: var(--white);
    font-size: var(--text-4xl);
    margin: 0 auto var(--space-6);
}

.modal-content h3 {
    font-family: 'Montserrat', sans-serif;
    font-size: var(--text-2xl);
    font-weight: 700;
    color: var(--dark);
    margin-bottom: var(--space-3);
}

.modal-content p {
    font-size: var(--text-base);
    color: var(--gray-600);
    margin-bottom: var(--space-6);
}

/* Responsive Design */
@media (max-width: 1200px) {
    .container {
        --container-padding: 2rem;
    }
}

@media (max-width: 992px) {
    :root {
        --text-6xl: 3rem;
        --text-5xl: 2.5rem;
        --text-4xl: 2rem;
    }
    
    .hero-copy,
    .hero-highlights {
        max-width: none;
    }

    .hero-copy-shell {
        padding: 0;
    }

    .hero-subtitle {
        font-size: 1.05rem;
        line-height: 1.6;
        max-width: 460px;
    }

    .hero-highlights {
        grid-template-columns: 1fr;
    }

    .hero-stats {
        gap: var(--space-8);
    }
    
    .about-grid {
        grid-template-columns: 1fr;
        gap: var(--space-10);
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .advantages-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .contacts-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: var(--space-10);
    }
}

@media (max-width: 768px) {
    :root {
        --text-6xl: 2.5rem;
        --text-5xl: 2rem;
        --text-4xl: 1.75rem;
        --container-padding: 1.5rem;
    }
    
    section {
        padding: var(--space-16) 0;
    }

    .hero-copy {
        max-width: none;
        margin-bottom: var(--space-11);
    }

    .hero-copy-shell {
        padding: 0;
        border-radius: 0;
    }

    .hero-subtitle {
        font-size: 0.98rem;
        line-height: 1.55;
        max-width: 100%;
    }

    .hero-copy-label {
        margin-bottom: var(--space-3);
        letter-spacing: 0.18em;
    }

    .hero-copy-label::before {
        width: 28px;
    }

    .hero-highlight {
        gap: var(--space-3);
        padding-top: var(--space-3);
    }

    .hero-highlight-index {
        min-width: 1.8rem;
        font-size: 1.35rem;
    }

    .hero-highlight-kicker {
        font-size: 0.68rem;
    }
    
    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 100%;
        height: 100vh;
        background: var(--white);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: var(--space-6);
        transition: right var(--transition-slow);
    }
    
    .nav-menu.active {
        right: 0;
    }
    
    .nav-link {
        font-size: var(--text-lg);
        color: var(--dark);
    }
    
    .hamburger {
        display: flex;
        z-index: 1001;
    }
    
    .hamburger.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }
    
    .hamburger.active span:nth-child(2) {
        opacity: 0;
    }
    
    .hamburger.active span:nth-child(3) {
        transform: rotate(-45deg) translate(5px, -5px);
    }
    
    .nav-actions {
        display: none;
    }
    
    .hero-content {
        padding-top: 80px;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: var(--space-6);
    }
    
    .hero-actions {
        flex-direction: column;
    }
    
    .about-visual {
        grid-template-columns: 1fr;
    }
    
    .equipment-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .advantages-grid {
        grid-template-columns: 1fr;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .cta-contacts {
        flex-direction: column;
    }
    
    .contacts-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-links {
        grid-template-columns: 1fr;
        gap: var(--space-6);
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: var(--space-4);
        text-align: center;
    }
    
    .fixed-cta span {
        display: none;
    }
}

/* WhatsApp Floating Button */
.whatsapp-float {
    position: fixed;
    bottom: var(--space-6);
    right: calc(var(--space-6) + 70px);
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #25D366 0%, #128C7E 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: var(--text-3xl);
    box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
    z-index: 998;
    transition: all var(--transition-base);
    animation: whatsapp-pulse 2s infinite;
}

.whatsapp-float:hover {
    transform: scale(1.1) rotate(10deg);
    box-shadow: 0 6px 30px rgba(37, 211, 102, 0.6);
}

.whatsapp-float i {
    margin-left: 2px;
}

.whatsapp-tooltip {
    position: absolute;
    right: 70px;
    background: var(--dark);
    color: var(--white);
    padding: var(--space-2) var(--space-4);
    border-radius: var(--radius-lg);
    font-size: var(--text-sm);
    font-weight: 500;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transform: translateX(10px);
    transition: all var(--transition-base);
}

.whatsapp-tooltip::after {
    content: '';
    position: absolute;
    right: -6px;
    top: 50%;
    transform: translateY(-50%);
    border-width: 6px 0 6px 6px;
    border-style: solid;
    border-color: transparent transparent transparent var(--dark);
}

.whatsapp-float:hover .whatsapp-tooltip {
    opacity: 1;
    visibility: visible;
    transform: translateX(0);
}

@keyframes whatsapp-pulse {
    0% {
        box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
    }
    50% {
        box-shadow: 0 4px 30px rgba(37, 211, 102, 0.6), 0 0 0 10px rgba(37, 211, 102, 0.1);
    }
    100% {
        box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
    }
}

/* WhatsApp default position (when CTA hidden) */
.whatsapp-float {
    bottom: var(--space-6);
}

/* Mobile: Hide tooltip and adjust position */
@media (max-width: 768px) {
    .whatsapp-float {
        width: 55px;
        height: 55px;
        font-size: var(--text-2xl);
        right: var(--space-4);
    }
    
    .whatsapp-tooltip {
        display: none;
    }
}

@media (max-width: 480px) {
    :root {
        --text-6xl: 2rem;
        --text-4xl: 1.5rem;
    }
    
    .equipment-grid {
        grid-template-columns: 1fr;
    }
    
    .cta-title {
        font-size: var(--text-2xl);
    }
    
    .cta-phone,
    .cta-whatsapp {
        font-size: var(--text-base);
        padding: var(--space-3) var(--space-5);
    }
}

/* Print Styles */
@media print {
    .navbar,
    .hero-scroll,
    .fixed-cta,
    .cta-section {
        display: none;
    }
    
    .hero {
        min-height: auto;
        padding: var(--space-8) 0;
    }
}