/* ===== CSS Variables ===== */
:root {
    --primary: #4F46E5;
    --primary-dark: #4338CA;
    --secondary: #10B981;
    --accent: #F59E0B;
    --dark: #1F2937;
    --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;
    --gradient-1: linear-gradient(135deg, #4F46E5 0%, #7C3AED 100%);
    --gradient-2: linear-gradient(135deg, #10B981 0%, #3B82F6 100%);
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
    --shadow: 0 4px 6px -1px rgba(0,0,0,0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0,0,0,0.1);
    --radius: 12px;
    --radius-lg: 20px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, 'Noto Sans SC', sans-serif;
    line-height: 1.6;
    color: var(--gray-700);
    background: var(--white);
}

a {
    text-decoration: none;
    color: inherit;
    transition: color 0.3s ease;
}

ul {
    list-style: none;
}

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

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

/* ===== Buttons ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 28px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 15px;
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
}

.btn-primary {
    background: var(--gradient-1);
    color: var(--white);
    box-shadow: 0 4px 14px rgba(79, 70, 229, 0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(79, 70, 229, 0.5);
}

.btn-secondary {
    background: var(--white);
    color: var(--primary);
    border: 2px solid var(--primary);
}

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

.btn-large {
    padding: 16px 36px;
    font-size: 17px;
}

/* ===== Navigation ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 700;
    font-size: 22px;
    color: var(--gray-900);
}

.logo-icon {
    color: var(--primary);
    font-size: 28px;
}

.nav-links {
    display: flex;
    gap: 35px;
}

.nav-links a {
    font-weight: 500;
    color: var(--gray-600);
    position: relative;
    padding: 5px 0;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary);
    transition: width 0.3s ease;
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--primary);
}

.nav-links a:hover::after,
.nav-links a.active::after {
    width: 100%;
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 15px;
}

.lang-switch {
    background: var(--gray-100);
    border: none;
    padding: 8px 16px;
    border-radius: 20px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
}

.lang-switch:hover {
    background: var(--gray-200);
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    font-size: 24px;
    cursor: pointer;
}


/* ===== Hero Section ===== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 100px 20px 60px;
    background: linear-gradient(135deg, #F0F4FF 0%, #E8F5E9 50%, #FFF8E1 100%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 80%;
    height: 150%;
    background: radial-gradient(circle, rgba(79, 70, 229, 0.08) 0%, transparent 70%);
    pointer-events: none;
}

.hero .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 60px;
    max-width: 1200px;
    margin: 0 auto;
    width: 100%;
}

.hero-content {
    flex: 1;
    max-width: 600px;
}

.hero-content h1 {
    font-size: 52px;
    font-weight: 800;
    line-height: 1.15;
    color: var(--gray-900);
    margin-bottom: 24px;
}

.hero-content p {
    font-size: 19px;
    color: var(--gray-600);
    margin-bottom: 36px;
    line-height: 1.7;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.hero-visual {
    flex: 1;
    position: relative;
    min-height: 400px;
}

.floating-card {
    position: absolute;
    background: var(--white);
    padding: 20px 28px;
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    gap: 12px;
    font-weight: 600;
    animation: float 3s ease-in-out infinite;
}

.card-icon {
    font-size: 24px;
}

.card-1 {
    top: 10%;
    left: 10%;
    animation-delay: 0s;
}

.card-2 {
    top: 40%;
    right: 5%;
    animation-delay: 0.5s;
}

.card-3 {
    bottom: 15%;
    left: 20%;
    animation-delay: 1s;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-15px); }
}

/* ===== Page Hero ===== */
.page-hero {
    padding: 140px 20px 80px;
    background: var(--gradient-1);
    text-align: center;
    color: var(--white);
}

.page-hero h1 {
    font-size: 42px;
    font-weight: 700;
    margin-bottom: 16px;
}

.page-hero p {
    font-size: 18px;
    opacity: 0.9;
}

/* ===== Section Styles ===== */
.section-title {
    text-align: center;
    font-size: 36px;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 50px;
}

/* ===== Features Section ===== */
.features {
    padding: 100px 20px;
    background: var(--white);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.feature-card {
    background: var(--gray-50);
    padding: 40px 30px;
    border-radius: var(--radius-lg);
    text-align: center;
    transition: all 0.3s ease;
}

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

.feature-icon {
    font-size: 48px;
    margin-bottom: 20px;
}

.feature-card h3 {
    font-size: 20px;
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: 12px;
}

.feature-card p {
    font-size: 15px;
    color: var(--gray-600);
}

/* ===== Stats Section ===== */
.stats {
    padding: 80px 20px;
    background: var(--gradient-1);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
    text-align: center;
    color: var(--white);
}

.stat-number {
    display: block;
    font-size: 48px;
    font-weight: 800;
    margin-bottom: 8px;
}

.stat-label {
    font-size: 16px;
    opacity: 0.9;
}

/* ===== Industries Section ===== */
.industries {
    padding: 100px 20px;
    background: var(--gray-50);
}

.industries-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 20px;
}

.industry-card {
    background: var(--white);
    padding: 30px 20px;
    border-radius: var(--radius);
    text-align: center;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-sm);
}

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

.industry-icon {
    font-size: 36px;
    display: block;
    margin-bottom: 12px;
}

.industry-card span:last-child {
    font-size: 14px;
    font-weight: 500;
    color: var(--gray-700);
}

/* ===== CTA Section ===== */
.cta {
    padding: 100px 20px;
    background: var(--gray-900);
    text-align: center;
    color: var(--white);
}

.cta h2 {
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 16px;
}

.cta p {
    font-size: 18px;
    opacity: 0.8;
    margin-bottom: 32px;
}


/* ===== About Page ===== */
.about-intro {
    padding: 100px 20px;
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.about-content h2 {
    font-size: 32px;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 20px;
}

.about-content p {
    font-size: 16px;
    color: var(--gray-600);
    margin-bottom: 16px;
    line-height: 1.8;
}

.about-image .image-placeholder {
    background: var(--gradient-2);
    border-radius: var(--radius-lg);
    height: 350px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--white);
}

.placeholder-icon {
    font-size: 80px;
    margin-bottom: 16px;
}

/* ===== Mission Vision ===== */
.mission-vision {
    padding: 100px 20px;
    background: var(--gray-50);
}

.mv-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.mv-card {
    background: var(--white);
    padding: 40px;
    border-radius: var(--radius-lg);
    text-align: center;
    box-shadow: var(--shadow);
}

.mv-icon {
    font-size: 48px;
    margin-bottom: 20px;
}

.mv-card h3 {
    font-size: 22px;
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: 16px;
}

.mv-card p {
    font-size: 15px;
    color: var(--gray-600);
    line-height: 1.7;
}

/* ===== Team Section ===== */
.team {
    padding: 100px 20px;
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.team-card {
    text-align: center;
    padding: 30px;
}

.team-avatar {
    width: 100px;
    height: 100px;
    background: var(--gradient-1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 48px;
    margin: 0 auto 20px;
}

.team-card h4 {
    font-size: 18px;
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: 8px;
}

.team-card p {
    font-size: 14px;
    color: var(--gray-500);
}

/* ===== Timeline ===== */
.timeline {
    padding: 100px 20px;
    background: var(--gray-50);
}

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

.timeline-container::before {
    content: '';
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    width: 3px;
    height: 100%;
    background: var(--primary);
}

.timeline-item {
    display: flex;
    align-items: center;
    margin-bottom: 40px;
    position: relative;
}

.timeline-item:nth-child(odd) {
    flex-direction: row-reverse;
}

.timeline-dot {
    width: 20px;
    height: 20px;
    background: var(--primary);
    border-radius: 50%;
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    z-index: 1;
    border: 4px solid var(--white);
}

.timeline-content {
    width: 45%;
    background: var(--white);
    padding: 25px;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

.timeline-content h4 {
    font-size: 20px;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 8px;
}

.timeline-content p {
    font-size: 15px;
    color: var(--gray-600);
}

/* ===== Services Page ===== */
.services-main {
    padding: 100px 20px;
}

.service-detail {
    display: grid;
    grid-template-columns: 150px 1fr;
    gap: 50px;
    align-items: start;
    margin-bottom: 80px;
    padding-bottom: 80px;
    border-bottom: 1px solid var(--gray-200);
}

.service-detail:last-child {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

.service-detail.reverse {
    grid-template-columns: 1fr 150px;
}

.service-detail.reverse .service-icon-large {
    order: 2;
}

.service-icon-large {
    font-size: 80px;
    text-align: center;
}

.service-content h2 {
    font-size: 28px;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 16px;
}

.service-content p {
    font-size: 16px;
    color: var(--gray-600);
    margin-bottom: 20px;
    line-height: 1.7;
}

.service-features {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
}

.service-features li {
    padding-left: 24px;
    position: relative;
    font-size: 15px;
    color: var(--gray-700);
}

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

/* ===== Pricing Section ===== */
.pricing {
    padding: 100px 20px;
    background: var(--gray-50);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.pricing-card {
    background: var(--white);
    padding: 40px;
    border-radius: var(--radius-lg);
    text-align: center;
    box-shadow: var(--shadow);
    position: relative;
    transition: all 0.3s ease;
}

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

.pricing-card.featured {
    border: 2px solid var(--primary);
}

.featured-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--primary);
    color: var(--white);
    padding: 6px 20px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 600;
}

.pricing-card h3 {
    font-size: 24px;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 12px;
}

.pricing-desc {
    font-size: 15px;
    color: var(--gray-500);
    margin-bottom: 24px;
}

.pricing-card ul {
    text-align: left;
    margin-bottom: 30px;
}

.pricing-card li {
    padding: 10px 0;
    border-bottom: 1px solid var(--gray-100);
    font-size: 15px;
    color: var(--gray-600);
}

.pricing-card li:last-child {
    border-bottom: none;
}


/* ===== Portfolio Page ===== */
.portfolio-filter {
    padding: 40px 20px;
    background: var(--white);
}

.filter-buttons {
    display: flex;
    justify-content: center;
    gap: 12px;
    flex-wrap: wrap;
}

.filter-btn {
    background: var(--gray-100);
    border: none;
    padding: 10px 24px;
    border-radius: 25px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
}

.filter-btn:hover,
.filter-btn.active {
    background: var(--primary);
    color: var(--white);
}

.portfolio-grid-section {
    padding: 60px 20px 100px;
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.portfolio-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
}

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

.portfolio-image {
    position: relative;
    height: 220px;
    overflow: hidden;
}

.portfolio-placeholder {
    width: 100%;
    height: 100%;
    background: var(--gradient-2);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 64px;
}

.portfolio-overlay {
    position: absolute;
    inset: 0;
    background: rgba(79, 70, 229, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.portfolio-card:hover .portfolio-overlay {
    opacity: 1;
}

.view-btn {
    color: var(--white);
    font-weight: 600;
    padding: 12px 24px;
    border: 2px solid var(--white);
    border-radius: 25px;
}

.portfolio-info {
    padding: 25px;
}

.portfolio-tag {
    display: inline-block;
    background: var(--gray-100);
    color: var(--primary);
    padding: 4px 12px;
    border-radius: 15px;
    font-size: 12px;
    font-weight: 600;
    margin-bottom: 12px;
}

.portfolio-info h3 {
    font-size: 20px;
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: 10px;
}

.portfolio-info p {
    font-size: 14px;
    color: var(--gray-600);
    line-height: 1.6;
}

/* ===== Testimonials ===== */
.testimonials {
    padding: 100px 20px;
    background: var(--gray-50);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.testimonial-card {
    background: var(--white);
    padding: 35px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
}

.testimonial-content {
    margin-bottom: 24px;
}

.testimonial-content p {
    font-size: 16px;
    color: var(--gray-700);
    line-height: 1.7;
    font-style: italic;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 15px;
}

.author-avatar {
    width: 50px;
    height: 50px;
    background: var(--gradient-1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
}

.author-info h4 {
    font-size: 16px;
    font-weight: 600;
    color: var(--gray-900);
}

.author-info span {
    font-size: 14px;
    color: var(--gray-500);
}

/* ===== Contact Page ===== */
.contact-main {
    padding: 100px 20px;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 60px;
}

.contact-info h2,
.contact-form-container h2 {
    font-size: 28px;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 20px;
}

.contact-info > p {
    font-size: 16px;
    color: var(--gray-600);
    margin-bottom: 30px;
    line-height: 1.7;
}

.contact-details {
    margin-bottom: 30px;
}

.contact-item {
    display: flex;
    gap: 16px;
    margin-bottom: 24px;
}

.contact-icon {
    font-size: 24px;
}

.contact-item h4 {
    font-size: 16px;
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: 4px;
}

.contact-item p {
    font-size: 15px;
    color: var(--gray-600);
}

.contact-item a {
    color: var(--primary);
}

.contact-item a:hover {
    text-decoration: underline;
}

.business-hours {
    background: var(--gray-50);
    padding: 25px;
    border-radius: var(--radius);
}

.business-hours h3 {
    font-size: 18px;
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: 16px;
}

.business-hours li {
    display: flex;
    justify-content: space-between;
    padding: 8px 0;
    font-size: 15px;
    color: var(--gray-600);
}

/* ===== Contact Form ===== */
.contact-form {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group.full-width {
    grid-column: span 2;
}

.form-group label {
    font-size: 14px;
    font-weight: 600;
    color: var(--gray-700);
    margin-bottom: 8px;
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 14px 18px;
    border: 1px solid var(--gray-300);
    border-radius: var(--radius);
    font-size: 15px;
    transition: all 0.3s ease;
    font-family: inherit;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
    color: var(--gray-600);
    cursor: pointer;
}

.checkbox-label input[type="checkbox"] {
    width: 18px;
    height: 18px;
    cursor: pointer;
}

.checkbox-label a {
    color: var(--primary);
}

.checkbox-label a:hover {
    text-decoration: underline;
}

/* ===== Map Section ===== */
.map-section {
    padding: 60px 20px 100px;
    background: var(--gray-50);
}

.map-container {
    height: 400px;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

/* ===== FAQ Section ===== */
.faq {
    padding: 100px 20px;
}

.faq-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
}

.faq-item {
    background: var(--gray-50);
    padding: 30px;
    border-radius: var(--radius);
}

.faq-item h4 {
    font-size: 18px;
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: 12px;
}

.faq-item p {
    font-size: 15px;
    color: var(--gray-600);
    line-height: 1.7;
}


/* ===== Legal Pages ===== */
.legal-content {
    padding: 80px 20px;
}

.legal-section {
    margin-bottom: 40px;
}

.legal-section h2 {
    font-size: 24px;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 2px solid var(--gray-200);
}

.legal-section h3 {
    font-size: 18px;
    font-weight: 600;
    color: var(--gray-800);
    margin: 20px 0 12px;
}

.legal-section p {
    font-size: 16px;
    color: var(--gray-600);
    line-height: 1.8;
    margin-bottom: 16px;
}

.legal-section ul {
    margin: 16px 0;
    padding-left: 24px;
}

.legal-section li {
    font-size: 15px;
    color: var(--gray-600);
    line-height: 1.8;
    margin-bottom: 8px;
    list-style: disc;
}

.contact-box {
    background: var(--gray-50);
    padding: 30px;
    border-radius: var(--radius);
    margin-top: 20px;
}

.contact-box p {
    margin-bottom: 8px;
}

/* ===== Footer ===== */
.footer {
    background: var(--gray-900);
    color: var(--gray-300);
    padding: 80px 20px 30px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: 50px;
    margin-bottom: 50px;
}

.footer-col h4 {
    color: var(--white);
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 20px;
}

.footer-col p {
    font-size: 14px;
    line-height: 1.7;
    margin-bottom: 8px;
}

.footer-col ul li {
    margin-bottom: 12px;
}

.footer-col a {
    font-size: 14px;
    transition: color 0.3s ease;
}

.footer-col a:hover {
    color: var(--white);
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid var(--gray-700);
}

.footer-bottom p {
    font-size: 14px;
}

/* ===== Mobile Menu ===== */
.mobile-menu {
    display: none;
    position: fixed;
    top: 70px;
    left: 0;
    right: 0;
    background: var(--white);
    padding: 20px;
    box-shadow: var(--shadow-lg);
    z-index: 999;
}

.mobile-menu.active {
    display: block;
}

.mobile-menu ul {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.mobile-menu a {
    display: block;
    padding: 12px;
    font-weight: 500;
    color: var(--gray-700);
    border-radius: var(--radius);
    transition: all 0.3s ease;
}

.mobile-menu a:hover,
.mobile-menu a.active {
    background: var(--gray-100);
    color: var(--primary);
}

/* ===== Responsive Design ===== */
@media (max-width: 1024px) {
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .industries-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .team-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .portfolio-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .testimonials-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .pricing-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .mobile-menu-btn {
        display: block;
    }
    
    .hero {
        padding: 100px 20px 60px;
    }
    
    .hero .container {
        flex-direction: column;
        text-align: center;
    }
    
    .hero-content h1 {
        font-size: 36px;
    }
    
    .hero-visual {
        display: none;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .page-hero h1 {
        font-size: 32px;
    }
    
    .section-title {
        font-size: 28px;
    }
    
    .features-grid,
    .stats-grid,
    .mv-grid,
    .team-grid,
    .portfolio-grid,
    .testimonials-grid,
    .pricing-grid,
    .faq-grid {
        grid-template-columns: 1fr;
    }
    
    .industries-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .about-grid,
    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .service-detail,
    .service-detail.reverse {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .service-detail.reverse .service-icon-large {
        order: 0;
    }
    
    .service-features {
        grid-template-columns: 1fr;
    }
    
    .contact-form {
        grid-template-columns: 1fr;
    }
    
    .form-group.full-width {
        grid-column: span 1;
    }
    
    .timeline-container::before {
        left: 20px;
    }
    
    .timeline-item,
    .timeline-item:nth-child(odd) {
        flex-direction: row;
        padding-left: 50px;
    }
    
    .timeline-dot {
        left: 20px;
    }
    
    .timeline-content {
        width: 100%;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .filter-buttons {
        gap: 8px;
    }
    
    .filter-btn {
        padding: 8px 16px;
        font-size: 14px;
    }
}

@media (max-width: 480px) {
    .hero-content h1 {
        font-size: 28px;
    }
    
    .hero-content p {
        font-size: 16px;
    }
    
    .btn {
        padding: 10px 20px;
        font-size: 14px;
    }
    
    .btn-large {
        padding: 14px 28px;
        font-size: 15px;
    }
    
    .industries-grid {
        grid-template-columns: 1fr;
    }
    
    .stat-number {
        font-size: 36px;
    }
}