/* YouTubeLink - Styles CSS */
/* Reset and Base Styles */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

:root {
    /* Colors */
    --primary-color: #6366f1;
    --primary-dark: #4f46e5;
    --secondary-color: #10b981;
    --accent-color: #f59e0b;
    --error-color: #ef4444;
    --success-color: #10b981;
    
    /* Grays */
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-400: #9ca3af;
    --gray-500: #6b7280;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #111827;
    
    /* Background */
    --bg-primary: #ffffff;
    --bg-secondary: #f9fafb;
    --bg-tertiary: #f3f4f6;
    
    /* Text */
    --text-primary: #111827;
    --text-secondary: #4b5563;
    --text-tertiary: #9ca3af;
    
    /* Fonts */
    --font-primary: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    --font-secondary: Georgia, 'Times New Roman', 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;
    
    /* 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: 0.25rem;
    --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 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    
    /* Transitions */
    --transition-fast: 150ms ease-in-out;
    --transition-normal: 300ms ease-in-out;
    --transition-slow: 500ms ease-in-out;
    
    /* Z-index */
    --z-dropdown: 1000;
    --z-sticky: 1020;
    --z-fixed: 1030;
    --z-modal: 1040;
    --z-popover: 1050;
    --z-tooltip: 1060;
}

/* Base Styles */
html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    font-size: var(--text-base);
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-primary);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-4);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--space-4);
}

h1 { font-size: var(--text-4xl); }
h2 { font-size: var(--text-3xl); }
h3 { font-size: var(--text-2xl); }
h4 { font-size: var(--text-xl); }
h5 { font-size: var(--text-lg); }
h6 { font-size: var(--text-base); }

p {
    margin-bottom: var(--space-4);
    color: var(--text-secondary);
}

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

a:hover {
    color: var(--primary-dark);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-6);
    font-size: var(--text-sm);
    font-weight: 600;
    text-align: center;
    text-decoration: none;
    border: 1px solid transparent;
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-fast);
    white-space: nowrap;
}

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

.btn--primary:hover {
    background-color: var(--primary-dark);
    border-color: var(--primary-dark);
    color: white;
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn--secondary {
    color: var(--text-primary);
    background-color: white;
    border-color: var(--gray-300);
}

.btn--secondary:hover {
    background-color: var(--gray-50);
    border-color: var(--gray-400);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

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

.btn--small {
    padding: var(--space-2) var(--space-4);
    font-size: var(--text-xs);
}

/* Section Headers */
.section-header {
    text-align: center;
    margin-bottom: var(--space-16);
}

.section-title {
    font-size: var(--text-4xl);
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: var(--space-4);
}

.section-description {
    font-size: var(--text-lg);
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* Header & Navigation */
.header {
    position: sticky;
    top: 0;
    z-index: var(--z-sticky);
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--gray-200);
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-4) 0;
}

.nav__brand {
    display: flex;
    align-items: center;
    gap: var(--space-4);
}

.nav__logo {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--text-xl);
    font-weight: 800;
    color: var(--primary-color);
}

.nav__logo-icon {
    width: 32px;
    height: 32px;
}

.nav__toggle {
    display: none;
    flex-direction: column;
    gap: 3px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--space-2);
}

.nav__toggle span {
    width: 24px;
    height: 3px;
    background-color: var(--text-primary);
    border-radius: var(--radius-full);
    transition: all var(--transition-fast);
}

.nav__menu {
    display: flex;
    align-items: center;
    gap: var(--space-8);
}

.nav__list {
    display: flex;
    align-items: center;
    gap: var(--space-6);
    list-style: none;
}

.nav__link {
    display: flex;
    align-items: center;
    gap: var(--space-1);
    padding: var(--space-2) var(--space-3);
    font-weight: 500;
    color: var(--text-primary);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.nav__link:hover {
    background-color: var(--gray-100);
    color: var(--primary-color);
}

.nav__actions {
    display: flex;
    align-items: center;
    gap: var(--space-4);
}

.nav__cart {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    background-color: var(--primary-color);
    color: white;
    border-radius: var(--radius-full);
    transition: all var(--transition-fast);
}

.nav__cart:hover {
    background-color: var(--primary-dark);
    transform: scale(1.05);
}

.nav__cart-count {
    position: absolute;
    top: -8px;
    right: -8px;
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 20px;
    height: 20px;
    background-color: var(--error-color);
    color: white;
    font-size: var(--text-xs);
    font-weight: 700;
    border-radius: var(--radius-full);
}

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

.dropdown__trigger {
    cursor: pointer;
}

.dropdown__icon {
    transition: transform var(--transition-fast);
}

.dropdown:hover .dropdown__icon {
    transform: rotate(180deg);
}

.dropdown__menu {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    min-width: 800px;
    background: white;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    opacity: 0;
    visibility: hidden;
    transform: translateX(-50%) translateY(-10px);
    transition: all var(--transition-normal);
    z-index: var(--z-dropdown);
}

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

.dropdown__grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: var(--space-6);
    padding: var(--space-8);
}

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

.dropdown__title {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--text-sm);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--space-2);
}

.social-icon {
    width: 20px;
    height: 20px;
}

.dropdown__link {
    font-size: var(--text-sm);
    color: var(--text-secondary);
    padding: var(--space-2) 0;
    border-radius: var(--radius-md);
    transition: color var(--transition-fast);
}

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

/* Hero Section */
.hero {
    padding: var(--space-24) 0;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    overflow: hidden;
    position: relative;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="25" cy="25" r="1" fill="white" opacity="0.1"/><circle cx="75" cy="75" r="1" fill="white" opacity="0.1"/><circle cx="50" cy="50" r="0.5" fill="white" opacity="0.15"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
    opacity: 0.3;
    z-index: 1;
}

.hero__container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-16);
    align-items: center;
    position: relative;
    z-index: 2;
}

.hero__content {
    max-width: 600px;
}

.hero__title {
    font-size: var(--text-6xl);
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: var(--space-6);
}

.hero__title--accent {
    background: linear-gradient(45deg, #ffd700, #ffed4e);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero__description {
    font-size: var(--text-xl);
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: var(--space-8);
    line-height: 1.6;
}

.hero__actions {
    display: flex;
    gap: var(--space-4);
    margin-bottom: var(--space-12);
}

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

.hero__stat {
    text-align: center;
}

.hero__stat-number {
    display: block;
    font-size: var(--text-2xl);
    font-weight: 800;
    color: #ffd700;
}

.hero__stat-label {
    font-size: var(--text-sm);
    color: rgba(255, 255, 255, 0.8);
}

.hero__image {
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero__phone {
    width: 300px;
    height: 600px;
    background: linear-gradient(145deg, #333, #111);
    border-radius: 40px;
    padding: 20px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
    position: relative;
    transform: perspective(1000px) rotateY(-15deg) rotateX(5deg);
}

.hero__phone-screen {
    width: 100%;
    height: 100%;
    background: #000;
    border-radius: 30px;
    overflow: hidden;
    position: relative;
}

.hero__social-preview {
    padding: var(--space-4);
    background: linear-gradient(180deg, #1a1a1a, #2a2a2a);
    height: 100%;
}

.social-post {
    background: #333;
    border-radius: var(--radius-lg);
    padding: var(--space-4);
    margin-bottom: var(--space-4);
}

.social-post__header {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    margin-bottom: var(--space-3);
}

.social-post__avatar {
    width: 40px;
    height: 40px;
    background: linear-gradient(45deg, #667eea, #764ba2);
    border-radius: var(--radius-full);
}

.social-post__info h4 {
    color: white;
    font-size: var(--text-sm);
    margin: 0;
}

.social-post__info span {
    color: #888;
    font-size: var(--text-xs);
}

.social-post__content p {
    color: white;
    font-size: var(--text-sm);
    margin: 0;
}

.social-post__stats {
    display: flex;
    gap: var(--space-4);
    margin-top: var(--space-3);
}

.stat {
    color: #ffd700;
    font-size: var(--text-xs);
    font-weight: 600;
}

/* Services Section */
.services {
    padding: var(--space-24) 0;
    background-color: var(--bg-secondary);
}

.services__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-8);
}

.service-card {
    background: white;
    border-radius: var(--radius-2xl);
    padding: var(--space-8);
    text-align: center;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    transform: scaleX(0);
    transition: transform var(--transition-normal);
}

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

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.service-card--featured {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: white;
    transform: scale(1.05);
}

.service-card--featured .service-card__title,
.service-card--featured .service-card__description {
    color: white;
}

.service-card__badge {
    position: absolute;
    top: var(--space-4);
    right: var(--space-4);
    background: var(--accent-color);
    color: white;
    padding: var(--space-1) var(--space-3);
    border-radius: var(--radius-full);
    font-size: var(--text-xs);
    font-weight: 700;
}

.service-card__icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--space-6);
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gray-100);
    border-radius: var(--radius-2xl);
    transition: all var(--transition-normal);
}

.service-card:hover .service-card__icon {
    transform: scale(1.1);
}

.service-card--featured .service-card__icon {
    background: rgba(255, 255, 255, 0.2);
}

.service-card__icon svg {
    width: 40px;
    height: 40px;
}

.service-card__title {
    font-size: var(--text-2xl);
    font-weight: 800;
    margin-bottom: var(--space-4);
    color: var(--text-primary);
}

.service-card__description {
    color: var(--text-secondary);
    margin-bottom: var(--space-6);
    line-height: 1.6;
}

.service-card__features {
    list-style: none;
    margin-bottom: var(--space-8);
}

.service-card__features li {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) 0;
    color: var(--text-secondary);
}

.service-card--featured .service-card__features li {
    color: rgba(255, 255, 255, 0.9);
}

.service-card__features li::before {
    content: '✓';
    color: var(--success-color);
    font-weight: 700;
}

.service-card--featured .service-card__features li::before {
    color: #ffd700;
}

.service-card__cta {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    padding: var(--space-4);
    background: var(--primary-color);
    color: white;
    border-radius: var(--radius-lg);
    font-weight: 600;
    transition: all var(--transition-fast);
}

.service-card__cta:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
}

.service-card--featured .service-card__cta {
    background: white;
    color: var(--primary-color);
}

.service-card--featured .service-card__cta:hover {
    background: var(--gray-100);
}

/* How It Works Section */
.how-it-works {
    padding: var(--space-24) 0;
}

.steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-12);
    max-width: 1000px;
    margin: 0 auto;
}

.step {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    position: relative;
}

.step::after {
    content: '';
    position: absolute;
    top: 30px;
    left: 100%;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, var(--primary-color), transparent);
    z-index: -1;
}

.step:last-child::after {
    display: none;
}

.step__number {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 60px;
    height: 60px;
    background: var(--primary-color);
    color: white;
    font-size: var(--text-2xl);
    font-weight: 800;
    border-radius: var(--radius-full);
    margin-bottom: var(--space-6);
    position: relative;
    z-index: 1;
}

.step__content {
    margin-bottom: var(--space-6);
}

.step__title {
    font-size: var(--text-xl);
    font-weight: 700;
    margin-bottom: var(--space-3);
    color: var(--text-primary);
}

.step__description {
    color: var(--text-secondary);
    line-height: 1.6;
}

.step__icon {
    width: 80px;
    height: 80px;
    background: var(--gray-100);
    border-radius: var(--radius-2xl);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
}

.step__icon svg {
    width: 40px;
    height: 40px;
}

/* Features Section */
.features {
    padding: var(--space-24) 0;
    background: var(--bg-secondary);
}

.features__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-8);
}

.feature {
    background: white;
    padding: var(--space-8);
    border-radius: var(--radius-xl);
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
}

.feature:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.feature__icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: var(--radius-2xl);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--space-6);
    color: white;
}

.feature__icon svg {
    width: 40px;
    height: 40px;
}

.feature__title {
    font-size: var(--text-xl);
    font-weight: 700;
    margin-bottom: var(--space-4);
    color: var(--text-primary);
}

.feature__description {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Testimonials Section */
.testimonials {
    padding: var(--space-24) 0;
}

.testimonials__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--space-8);
}

.testimonial {
    background: white;
    padding: var(--space-8);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
}

.testimonial:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

.testimonial__content {
    margin-bottom: var(--space-6);
}

.testimonial__stars {
    margin-bottom: var(--space-4);
    font-size: var(--text-lg);
}

.testimonial__text {
    color: var(--text-secondary);
    line-height: 1.6;
    font-style: italic;
    position: relative;
}

.testimonial__text::before {
    content: '"';
    font-size: var(--text-6xl);
    color: var(--gray-200);
    position: absolute;
    top: -20px;
    left: -10px;
    line-height: 1;
}

.testimonial__author {
    display: flex;
    align-items: center;
    gap: var(--space-4);
}

.testimonial__avatar {
    width: 50px;
    height: 50px;
    border-radius: var(--radius-full);
    overflow: hidden;
}

.testimonial__avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.testimonial__name {
    font-weight: 700;
    color: var(--text-primary);
    margin: 0;
}

.testimonial__role {
    color: var(--text-tertiary);
    font-size: var(--text-sm);
}

/* CTA Section */
.cta {
    padding: var(--space-24) 0;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: white;
    text-align: center;
}

.cta__title {
    font-size: var(--text-4xl);
    font-weight: 800;
    margin-bottom: var(--space-6);
}

.cta__description {
    font-size: var(--text-xl);
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: var(--space-8);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.cta__actions {
    display: flex;
    justify-content: center;
    gap: var(--space-4);
}

/* Footer */
.footer {
    background: var(--gray-900);
    color: white;
    padding: var(--space-16) 0 var(--space-8);
}

.footer__top {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: var(--space-16);
    margin-bottom: var(--space-12);
}

.footer__logo {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--text-xl);
    font-weight: 800;
    color: white;
    margin-bottom: var(--space-4);
}

.footer__logo-icon {
    width: 32px;
    height: 32px;
}

.footer__description {
    color: var(--gray-300);
    line-height: 1.6;
}

.footer__links {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-8);
}

.footer__title {
    font-size: var(--text-lg);
    font-weight: 700;
    margin-bottom: var(--space-4);
    color: white;
}

.footer__list {
    list-style: none;
}

.footer__list li {
    margin-bottom: var(--space-2);
}

.footer__link {
    color: var(--gray-300);
    transition: color var(--transition-fast);
}

.footer__link:hover {
    color: white;
}

.footer__bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--space-8);
    border-top: 1px solid var(--gray-700);
}

.footer__copyright {
    color: var(--gray-400);
}

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

.footer__social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: var(--gray-800);
    color: var(--gray-400);
    border-radius: var(--radius-full);
    transition: all var(--transition-fast);
}

.footer__social-link:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-2px);
}

.footer__social-link svg {
    width: 20px;
    height: 20px;
}

/* Chat Widget */
.chat-widget {
    position: fixed;
    bottom: var(--space-6);
    right: var(--space-6);
    z-index: var(--z-fixed);
}

.chat-widget__toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 60px;
    height: 60px;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: var(--radius-full);
    cursor: pointer;
    box-shadow: var(--shadow-lg);
    transition: all var(--transition-fast);
}

.chat-widget__toggle:hover {
    background: var(--primary-dark);
    transform: scale(1.1);
}

.chat-widget__toggle svg {
    width: 24px;
    height: 24px;
}

.chat-widget__window {
    position: absolute;
    bottom: 80px;
    right: 0;
    width: 320px;
    background: white;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all var(--transition-normal);
}

.chat-widget__window.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.chat-widget__header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-4) var(--space-6);
    background: var(--primary-color);
    color: white;
    border-radius: var(--radius-xl) var(--radius-xl) 0 0;
}

.chat-widget__header h3 {
    font-size: var(--text-lg);
    font-weight: 700;
    margin: 0;
}

.chat-widget__close {
    background: none;
    border: none;
    color: white;
    font-size: var(--text-2xl);
    cursor: pointer;
    padding: 0;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.chat-widget__body {
    padding: var(--space-6);
}

.chat-widget__message {
    background: var(--gray-100);
    padding: var(--space-3) var(--space-4);
    border-radius: var(--radius-lg);
    margin-bottom: var(--space-4);
    color: var(--text-primary);
}

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

.chat-widget__option {
    background: none;
    border: 1px solid var(--gray-300);
    padding: var(--space-3) var(--space-4);
    border-radius: var(--radius-lg);
    color: var(--text-primary);
    cursor: pointer;
    transition: all var(--transition-fast);
    text-align: left;
}

.chat-widget__option:hover {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

/* Responsive Design */
@media (max-width: 1024px) {
    .dropdown__menu {
        min-width: 600px;
    }
    
    .dropdown__grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .hero__container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: var(--space-12);
    }
    
    .hero__phone {
        width: 250px;
        height: 500px;
    }
}

@media (max-width: 768px) {
    .nav__toggle {
        display: flex;
    }
    
    .nav__menu {
        position: fixed;
        top: 100%;
        left: 0;
        right: 0;
        background: white;
        border-top: 1px solid var(--gray-200);
        padding: var(--space-6);
        opacity: 0;
        visibility: hidden;
        transform: translateY(-20px);
        transition: all var(--transition-normal);
    }
    
    .nav__menu.active {
        opacity: 1;
        visibility: visible;
        transform: translateY(0);
    }
    
    .nav__list {
        flex-direction: column;
        align-items: stretch;
        gap: var(--space-4);
    }
    
    .dropdown__menu {
        position: static;
        min-width: auto;
        transform: none;
        opacity: 1;
        visibility: visible;
        margin-top: var(--space-4);
        border: none;
        box-shadow: none;
        background: var(--gray-50);
    }
    
    .dropdown__grid {
        grid-template-columns: 1fr;
        gap: var(--space-4);
        padding: var(--space-4);
    }
    
    .hero__title {
        font-size: var(--text-4xl);
    }
    
    .hero__stats {
        grid-template-columns: 1fr;
        gap: var(--space-4);
    }
    
    .hero__actions {
        flex-direction: column;
        align-items: center;
    }
    
    .steps {
        grid-template-columns: 1fr;
        gap: var(--space-8);
    }
    
    .step::after {
        display: none;
    }
    
    .footer__top {
        grid-template-columns: 1fr;
        gap: var(--space-8);
        text-align: center;
    }
    
    .footer__links {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-6);
    }
    
    .footer__bottom {
        flex-direction: column;
        gap: var(--space-4);
        text-align: center;
    }
    
    .cta__actions {
        flex-direction: column;
        align-items: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--space-3);
    }
    
    .hero {
        padding: var(--space-16) 0;
    }
    
    .hero__title {
        font-size: var(--text-3xl);
    }
    
    .section-title {
        font-size: var(--text-3xl);
    }
    
    .services__grid,
    .features__grid,
    .testimonials__grid {
        grid-template-columns: 1fr;
    }
    
    .footer__links {
        grid-template-columns: 1fr;
        text-align: left;
    }
    
    .chat-widget__window {
        width: 280px;
        right: -20px;
    }
}

/* Loading Animation */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in-up {
    animation: fadeInUp 0.6s ease-out;
}

/* 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;
}

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

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

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

.mt-0 { margin-top: 0; }
.mt-4 { margin-top: var(--space-4); }
.mt-8 { margin-top: var(--space-8); }

.mb-0 { margin-bottom: 0; }
.mb-4 { margin-bottom: var(--space-4); }
.mb-8 { margin-bottom: var(--space-8); }

.p-0 { padding: 0; }
.p-4 { padding: var(--space-4); }
.p-8 { padding: var(--space-8); }