/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #ff6b35;
    --secondary-color: #f7931e;
    --accent-color: #667eea;
    --accent-secondary: #764ba2;
    --text-primary: #333;
    --text-secondary: #666;
    --text-light: #999;
    --background-light: #f8f9fa;
    --white: #ffffff;
    --success-color: #22c55e;
    --warning-color: #fbbf24;
    --error-color: #ef4444;
    
    --gradient-primary: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    --gradient-accent: linear-gradient(135deg, var(--accent-color), var(--accent-secondary));
    --gradient-hero: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    
    --shadow-sm: 0 2px 10px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 5px 20px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 15px 40px rgba(0, 0, 0, 0.15);
    --shadow-hover: 0 8px 25px rgba(255, 107, 53, 0.4);
    
    --border-radius: 10px;
    --border-radius-lg: 15px;
    --border-radius-full: 50%;
    
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    overflow-x: hidden;
    scroll-behavior: smooth;
}

html {
    scroll-behavior: smooth;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Language Toggle */
.language-toggle {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 1000;
}

.lang-btn {
    background: rgba(255, 255, 255, 0.95);
    border: none;
    padding: 12px 18px;
    border-radius: 25px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 500;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-normal);
    backdrop-filter: blur(10px);
    color: var(--text-primary);
}

.lang-btn:hover {
    background: var(--white);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.lang-btn i {
    color: var(--primary-color);
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 999;
    transition: var(--transition-normal);
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.98);
    box-shadow: var(--shadow-sm);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.nav-logo h2 {
    color: var(--primary-color);
    font-weight: 700;
    font-size: 1.5rem;
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-link {
    text-decoration: none;
    color: var(--text-primary);
    font-weight: 500;
    transition: var(--transition-normal);
    position: relative;
    padding: 8px 0;
}

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

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

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

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    padding: 5px;
}

.bar {
    width: 25px;
    height: 3px;
    background: var(--text-primary);
    margin: 3px 0;
    transition: var(--transition-normal);
    border-radius: 3px;
}

/* Hero Section */
.hero {
    height: 100vh;
    min-height: 700px;
    background: var(--gradient-hero);
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.2);
    z-index: 1;
}

.hero-particles {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(circle at 20% 50%, rgba(255, 255, 255, 0.2) 2px, transparent 2px),
        radial-gradient(circle at 80% 50%, rgba(255, 255, 255, 0.1) 1px, transparent 1px),
        radial-gradient(circle at 40% 20%, rgba(255, 255, 255, 0.15) 1px, transparent 1px);
    background-size: 100px 100px, 80px 80px, 120px 120px;
    animation: float 20s ease-in-out infinite;
    z-index: 1;
}

@keyframes float {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    33% { transform: translateY(-30px) rotate(0.5deg); }
    66% { transform: translateY(-20px) rotate(-0.5deg); }
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 900px;
    padding: 0 20px;
    width: 100%;
}

.hero-subtitle {
    color: #ffd700;
    font-size: 1.1rem;
    font-weight: 500;
    letter-spacing: 3px;
    margin-bottom: 1rem;
    text-transform: uppercase;
    animation: fadeInUp 0.8s ease-out;
}

.hero-title {
    color: var(--white);
    font-size: 4rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
    animation: fadeInUp 0.8s ease-out 0.2s both;
}

.hero-line {
    width: 120px;
    height: 4px;
    background: var(--gradient-primary);
    margin: 0 auto 2rem;
    border-radius: 2px;
    animation: fadeInUp 0.8s ease-out 0.4s both;
}

.hero-description {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1.3rem;
    line-height: 1.8;
    margin-bottom: 3rem;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.3);
    animation: fadeInUp 0.8s ease-out 0.6s both;
}

.hero-cta {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    animation: fadeInUp 0.8s ease-out 0.8s both;
}

.cta-button {
    display: inline-flex;
    align-items: center;
    padding: 15px 30px;
    text-decoration: none;
    font-weight: 600;
    border-radius: var(--border-radius);
    transition: var(--transition-normal);
    text-transform: uppercase;
    letter-spacing: 1px;
    font-size: 1rem;
}

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

.cta-button.primary:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-hover);
}

.cta-button.secondary {
    background: rgba(255, 255, 255, 0.2);
    color: var(--white);
    border: 2px solid rgba(255, 255, 255, 0.3);
    backdrop-filter: blur(10px);
}

.cta-button.secondary:hover {
    background: rgba(255, 255, 255, 0.3);
    border-color: rgba(255, 255, 255, 0.5);
    transform: translateY(-3px);
}

/* About Section */
.about-section {
    padding: 120px 0;
    background: var(--white);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 3rem;
    margin-top: 4rem;
}

.stat-item {
    text-align: center;
    padding: 2rem;
    background: var(--white);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    transition: var(--transition-normal);
    border: 1px solid rgba(255, 107, 53, 0.1);
}

.stat-item:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-color);
}

.stat-number {
    font-size: 3rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    font-size: 1.1rem;
    color: var(--text-secondary);
    font-weight: 500;
}

/* Sections */
section {
    padding: 100px 0;
    position: relative;
}

.section-title {
    font-size: 2.8rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 1rem;
    color: var(--text-primary);
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: var(--gradient-primary);
    border-radius: 2px;
}

.section-subtitle {
    font-size: 1.2rem;
    text-align: center;
    color: var(--text-secondary);
    margin-bottom: 4rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

/* Media Section */
.media-section {
    background: var(--background-light);
    padding: 120px 0;
    position: relative;
}

.media-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 5px;
    background: var(--gradient-primary);
}

.media-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.media-item {
    background: var(--white);
    padding: 3rem 2rem 2.5rem;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    transition: var(--transition-normal);
    text-align: center;
    position: relative;
    overflow: hidden;
    min-height: 280px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.media-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
}

.media-item:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.media-item.featured {
    border: 2px solid transparent;
    background: linear-gradient(white, white) padding-box,
                var(--gradient-primary) border-box;
}

.media-logo {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 12px;
    width: 140px;
    height: 100px;
    font-weight: 700;
    border-radius: var(--border-radius);
    color: var(--white);
    font-size: 1.1rem;
    margin: 0 auto 1.5rem;
    position: relative;
    overflow: hidden;
    transition: var(--transition-normal);
}

.logo-container {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    transition: var(--transition-normal);
    backdrop-filter: blur(10px);
}

.media-logo:hover .logo-container {
    background: rgba(255, 255, 255, 0.3);
    transform: scale(1.1);
}

.media-logo i {
    font-size: 2rem;
    transition: var(--transition-normal);
}

.logo-text {
    font-size: 1rem;
    font-weight: 600;
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

.google-logo {
    background: linear-gradient(135deg, #4285f4 0%, #34a853 25%, #fbbc05 50%, #ea4335 100%);
    box-shadow: 0 8px 25px rgba(66, 133, 244, 0.3);
}

.google-logo:hover {
    box-shadow: 0 12px 35px rgba(66, 133, 244, 0.4);
}

.meta-logo {
    background: linear-gradient(135deg, #1877f2 0%, #42a5f5 100%);
    box-shadow: 0 8px 25px rgba(24, 119, 242, 0.3);
}

.meta-logo:hover {
    box-shadow: 0 12px 35px rgba(24, 119, 242, 0.4);
}

.tiktok-logo {
    background: linear-gradient(135deg, #ff0050 0%, #00f2ea 100%);
    box-shadow: 0 8px 25px rgba(255, 0, 80, 0.3);
}

.tiktok-logo:hover {
    box-shadow: 0 12px 35px rgba(255, 0, 80, 0.4);
}

.media-info h4 {
    color: var(--text-primary);
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.media-info p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

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

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.service-item {
    background: var(--white);
    padding: 3rem 2rem;
    border-radius: var(--border-radius-lg);
    text-align: center;
    box-shadow: var(--shadow-md);
    transition: var(--transition-normal);
    border: 2px solid transparent;
    position: relative;
    overflow: hidden;
}

.service-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 107, 53, 0.1), transparent);
    transition: var(--transition-slow);
}

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

.service-item:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-color);
}

.service-icon {
    width: 90px;
    height: 90px;
    background: var(--gradient-primary);
    border-radius: var(--border-radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 2rem;
    color: var(--white);
    font-size: 2.2rem;
    position: relative;
    z-index: 1;
}

.service-item h3 {
    font-size: 1.4rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.service-item > p {
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 1.5rem;
}

.service-features {
    list-style: none;
    text-align: left;
    margin-top: 1.5rem;
}

.service-features li {
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
    padding-left: 1rem;
    position: relative;
}

.service-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: bold;
}

/* Strategy Section */
.strategy-section {
    background: var(--background-light);
}

.strategy-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.strategy-item {
    background: var(--white);
    padding: 2.5rem 2rem;
    border-radius: var(--border-radius-lg);
    text-align: center;
    box-shadow: var(--shadow-md);
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.strategy-item:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.strategy-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
}

.strategy-icon {
    width: 80px;
    height: 80px;
    background: var(--gradient-accent);
    border-radius: var(--border-radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    color: var(--white);
    font-size: 1.8rem;
}

.strategy-item h3 {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.strategy-item p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

.strategy-features {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    justify-content: center;
}

.feature-tag {
    background: rgba(255, 107, 53, 0.1);
    color: var(--primary-color);
    padding: 0.4rem 0.8rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 500;
    border: 1px solid rgba(255, 107, 53, 0.2);
}

/* Success Cases Section */
.cases-section {
    background: var(--white);
    padding: 100px 0;
}

.cases-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.case-item {
    background: var(--white);
    padding: 2.5rem 2rem;
    border-radius: var(--border-radius-lg);
    text-align: center;
    box-shadow: var(--shadow-md);
    transition: var(--transition-normal);
    border: 1px solid rgba(255, 107, 53, 0.1);
    position: relative;
    overflow: hidden;
}

.case-item:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-color);
}

.case-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    display: block;
}

.case-item h4 {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.case-item p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

.case-result {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
}

.result-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-color);
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.result-label {
    font-size: 0.9rem;
    color: var(--text-secondary);
    font-weight: 500;
}

/* Contact Section */
.contact-section {
    background: var(--gradient-hero);
    color: var(--white);
}

.contact-section .section-title,
.contact-section .section-subtitle {
    color: var(--white);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    margin-top: 3rem;
}

.contact-form-container h3,
.contact-info h3 {
    font-size: 1.6rem;
    margin-bottom: 2rem;
    color: var(--white);
}

/* Form Styles */
.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.form-group {
    position: relative;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 18px 15px;
    border: 2px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--border-radius);
    background: rgba(255, 255, 255, 0.1);
    color: var(--white);
    font-size: 1rem;
    transition: var(--transition-normal);
    backdrop-filter: blur(10px);
    font-family: inherit;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    background: rgba(255, 255, 255, 0.15);
    box-shadow: 0 0 0 3px rgba(255, 107, 53, 0.2);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: rgba(255, 255, 255, 0.6);
}

.form-group label {
    position: absolute;
    top: 18px;
    left: 15px;
    color: rgba(255, 255, 255, 0.7);
    transition: var(--transition-normal);
    pointer-events: none;
    background: transparent;
    padding: 0 5px;
    font-size: 1rem;
}

.form-group input:focus + label,
.form-group textarea:focus + label,
.form-group input:not(:placeholder-shown) + label,
.form-group textarea:not(:placeholder-shown) + label {
    top: -12px;
    left: 12px;
    font-size: 0.85rem;
    color: var(--primary-color);
    background: var(--accent-color);
    padding: 4px 8px;
    border-radius: 4px;
    font-weight: 500;
}

.submit-btn {
    background: var(--gradient-primary);
    color: var(--white);
    border: none;
    padding: 18px 30px;
    border-radius: var(--border-radius);
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-normal);
    text-transform: uppercase;
    letter-spacing: 1px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-hover);
}

.submit-btn:active {
    transform: translateY(0);
}

.submit-message {
    background: rgba(34, 197, 94, 0.2);
    border: 2px solid var(--success-color);
    border-radius: var(--border-radius);
    padding: 15px;
    text-align: center;
    margin-top: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    backdrop-filter: blur(10px);
}

.submit-message i {
    color: var(--success-color);
    font-size: 1.2rem;
}

/* Contact Info */
.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 1.5rem;
    margin-bottom: 2.5rem;
    padding: 2rem;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: var(--transition-normal);
}

.contact-item:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateX(10px);
}

.contact-item i {
    color: var(--primary-color);
    font-size: 1.8rem;
    margin-top: 0.3rem;
    min-width: 24px;
}

.contact-item h4 {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
    color: var(--white);
    font-weight: 600;
}

.contact-item p {
    color: rgba(255, 255, 255, 0.9);
    line-height: 1.6;
    font-size: 1rem;
    margin-bottom: 0.5rem;
}

.contact-item small {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9rem;
}

/* Footer */
.footer {
    background: #1a1a1a;
    color: var(--white);
    padding: 4rem 0 2rem;
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-logo h3 {
    color: var(--primary-color);
    font-size: 1.6rem;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 8px;
}

.footer-logo p {
    color: #ccc;
    margin-bottom: 2rem;
}

.social-links {
    display: flex;
    gap: 1rem;
}

.social-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: rgba(255, 107, 53, 0.1);
    color: var(--primary-color);
    border-radius: var(--border-radius-full);
    text-decoration: none;
    transition: var(--transition-normal);
    border: 1px solid rgba(255, 107, 53, 0.2);
}

.social-links a:hover {
    background: var(--primary-color);
    color: var(--white);
    transform: translateY(-3px);
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
}

.footer-column h4 {
    color: var(--white);
    font-size: 1.1rem;
    margin-bottom: 1rem;
    font-weight: 600;
}

.footer-column a {
    display: block;
    color: #ccc;
    text-decoration: none;
    padding: 0.3rem 0;
    transition: var(--transition-normal);
}

.footer-column a:hover {
    color: var(--primary-color);
    padding-left: 10px;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid #333;
    color: #999;
}

.footer-bottom a {
    color: #ccc;
    text-decoration: none;
    transition: var(--transition-normal);
}

.footer-bottom a:hover {
    color: var(--primary-color);
}

/* Scroll to Top Button */
.scroll-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    color: var(--white);
    border: none;
    border-radius: var(--border-radius-full);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    box-shadow: var(--shadow-md);
    transition: var(--transition-normal);
    opacity: 0;
    transform: translateY(100px);
    z-index: 999;
}

.scroll-to-top.visible {
    opacity: 1;
    transform: translateY(0);
}

.scroll-to-top:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
}

/* Responsive Design */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background: rgba(255, 255, 255, 0.98);
        width: 100%;
        text-align: center;
        transition: var(--transition-normal);
        box-shadow: var(--shadow-md);
        padding: 2rem 0;
        backdrop-filter: blur(10px);
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-menu li {
        margin: 1rem 0;
    }
    
    .hamburger.active .bar:nth-child(2) {
        opacity: 0;
    }
    
    .hamburger.active .bar:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }
    
    .hamburger.active .bar:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }
    
    .hero {
        min-height: 100vh;
        padding: 0 20px;
    }
    
    .hero-title {
        font-size: 2.8rem;
    }
    
    .hero-description {
        font-size: 1.1rem;
    }
    
    .hero-cta {
        flex-direction: column;
        align-items: center;
    }
    
    .cta-button {
        width: 100%;
        max-width: 300px;
        justify-content: center;
    }
    
    .section-title {
        font-size: 2.2rem;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.5rem;
    }
    
    .media-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .media-item {
        min-height: 250px;
        padding: 2.5rem 1.5rem 2rem;
    }
    
    .media-logo {
        width: 120px;
        height: 90px;
        gap: 10px;
    }
    
    .logo-container {
        width: 45px;
        height: 45px;
    }
    
    .media-logo i {
        font-size: 1.8rem;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .strategy-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.5rem;
    }
    
    .cases-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
    }
    
    .footer-links {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .social-links {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    section {
        padding: 60px 0;
    }
    
    .hero-title {
        font-size: 2.2rem;
    }
    
    .section-title {
        font-size: 1.8rem;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .strategy-grid {
        grid-template-columns: 1fr;
    }
    
    .stat-number {
        font-size: 2.5rem;
    }
    
    .service-item,
    .media-item,
    .strategy-item,
    .case-item {
        padding: 2rem 1.5rem;
    }
    
    .contact-item {
        padding: 1.5rem;
        flex-direction: column;
        text-align: center;
        gap: 1rem;
    }
    
    .contact-item:hover {
        transform: translateY(-5px);
    }
}

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

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    10%, 30%, 50%, 70%, 90% { transform: translateX(-5px); }
    20%, 40%, 60%, 80% { transform: translateX(5px); }
}

.service-item,
.strategy-item,
.media-item,
.case-item,
.stat-item {
    opacity: 0;
    animation: fadeInUp 0.6s ease-out forwards;
}

.service-item:nth-child(1) { animation-delay: 0.1s; }
.service-item:nth-child(2) { animation-delay: 0.2s; }
.service-item:nth-child(3) { animation-delay: 0.3s; }
.service-item:nth-child(4) { animation-delay: 0.4s; }
.service-item:nth-child(5) { animation-delay: 0.5s; }
.service-item:nth-child(6) { animation-delay: 0.6s; }

.strategy-item:nth-child(1) { animation-delay: 0.1s; }
.strategy-item:nth-child(2) { animation-delay: 0.2s; }
.strategy-item:nth-child(3) { animation-delay: 0.3s; }
.strategy-item:nth-child(4) { animation-delay: 0.4s; }

/* Loading and Error States */
.loading {
    opacity: 0.7;
    pointer-events: none;
}

.error {
    animation: shake 0.5s ease-in-out;
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Focus styles for accessibility */
.nav-link:focus,
.cta-button:focus,
.submit-btn:focus,
.lang-btn:focus,
.scroll-to-top:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

.form-group input:focus,
.form-group textarea:focus {
    box-shadow: 0 0 0 3px rgba(255, 107, 53, 0.3);
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    .hero::before {
        background: rgba(0, 0, 0, 0.7);
    }
    
    .section-title,
    .service-item h3,
    .strategy-item h3 {
        font-weight: 800;
    }
}

/* Print styles */
@media print {
    .language-toggle,
    .navbar,
    .scroll-to-top,
    .hero-cta {
        display: none;
    }
    
    .hero {
        height: auto;
        min-height: auto;
        padding: 2rem 0;
    }
    
    section {
        padding: 1rem 0;
        page-break-inside: avoid;
    }
    
    .contact-section {
        background: white;
        color: black;
    }
}