/* ===== CSS Variables ===== */
:root {
    --primary: #4F46E5;
    --primary-dark: #4338CA;
    --primary-light: #818CF8;
    --secondary: #10B981;
    --accent: #F59E0B;
    --dark: #1F2937;
    --dark-light: #374151;
    --gray: #6B7280;
    --gray-light: #9CA3AF;
    --light: #F3F4F6;
    --lighter: #F9FAFB;
    --white: #FFFFFF;
    --gradient: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --radius: 8px;
    --radius-lg: 16px;
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--dark);
    background-color: var(--white);
}

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

ul {
    list-style: none;
}

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

/* ===== Container ===== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ===== Buttons ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 28px;
    font-size: 15px;
    font-weight: 500;
    border-radius: var(--radius);
    border: none;
    cursor: pointer;
    transition: var(--transition);
}

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

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

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

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

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

.btn-light:hover {
    background: var(--lighter);
    transform: translateY(-2px);
}

.btn-full {
    width: 100%;
}

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

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 24px;
    font-weight: 700;
    color: var(--dark);
}

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

.nav-links {
    display: flex;
    gap: 32px;
}

.nav-links a {
    font-weight: 500;
    color: var(--gray);
    position: relative;
    padding: 8px 0;
}

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

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

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

.nav-right {
    display: flex;
    align-items: center;
    gap: 16px;
}

.lang-switch {
    padding: 8px 16px;
    background: var(--light);
    border: none;
    border-radius: var(--radius);
    font-size: 14px;
    font-weight: 500;
    color: var(--dark);
    cursor: pointer;
    transition: var(--transition);
}

.lang-switch:hover {
    background: var(--primary);
    color: var(--white);
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 8px;
    background: none;
    border: none;
    cursor: pointer;
}

.mobile-menu-btn span {
    width: 24px;
    height: 2px;
    background: var(--dark);
    transition: var(--transition);
}

/* ===== Hero Section ===== */
.hero {
    padding: 160px 0 100px;
    background: linear-gradient(135deg, var(--lighter) 0%, var(--white) 100%);
    position: relative;
    overflow: hidden;
}

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

.hero-content h1 {
    font-size: 52px;
    font-weight: 700;
    line-height: 1.2;
    color: var(--dark);
    margin-bottom: 20px;
}

.hero-subtitle {
    font-size: 20px;
    color: var(--gray);
    margin-bottom: 32px;
}

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

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

.hero-shape {
    position: absolute;
    border-radius: 50%;
}

.shape-1 {
    width: 300px;
    height: 300px;
    background: var(--gradient);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    opacity: 0.9;
}

.shape-2 {
    width: 200px;
    height: 200px;
    background: var(--secondary);
    top: 20%;
    right: 10%;
    opacity: 0.7;
}

.shape-3 {
    width: 100px;
    height: 100px;
    background: var(--accent);
    bottom: 20%;
    left: 20%;
    opacity: 0.8;
}

/* ===== Page Hero ===== */
.page-hero {
    padding: 140px 0 60px;
    background: var(--gradient);
    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 Header ===== */
.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-header h2 {
    font-size: 36px;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 16px;
}

.section-header p {
    font-size: 18px;
    color: var(--gray);
    max-width: 600px;
    margin: 0 auto;
}

/* ===== Features Section ===== */
.features {
    padding: 100px 0;
    background: var(--white);
}

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

.feature-card {
    padding: 32px;
    background: var(--lighter);
    border-radius: var(--radius-lg);
    text-align: center;
    transition: var(--transition);
}

.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(--dark);
    margin-bottom: 12px;
}

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

/* ===== Services Preview ===== */
.services-preview {
    padding: 100px 0;
    background: var(--lighter);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-bottom: 40px;
}

.service-card {
    padding: 40px 32px;
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

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

.service-number {
    font-size: 64px;
    font-weight: 700;
    color: var(--light);
    position: absolute;
    top: -10px;
    right: 20px;
}

.service-card h3 {
    font-size: 22px;
    font-weight: 600;
    color: var(--dark);
    margin-bottom: 16px;
    position: relative;
}

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

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

/* ===== Stats Section ===== */
.stats {
    padding: 80px 0;
    background: var(--gradient);
}

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

.stat-item {
    color: var(--white);
}

.stat-number {
    display: block;
    font-size: 48px;
    font-weight: 700;
    margin-bottom: 8px;
}

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

/* ===== CTA Section ===== */
.cta-section {
    padding: 100px 0;
    background: var(--dark);
}

.cta-content {
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
}

.cta-content h2 {
    font-size: 36px;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 16px;
}

.cta-content p {
    font-size: 18px;
    color: var(--gray-light);
    margin-bottom: 32px;
}

/* ===== Footer ===== */
.footer {
    padding: 80px 0 30px;
    background: var(--dark);
    color: var(--gray-light);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 60px;
    margin-bottom: 60px;
}

.footer-brand .logo {
    color: var(--white);
    margin-bottom: 20px;
}

.footer-company {
    font-size: 14px;
    margin-bottom: 12px;
}

.footer-address {
    font-size: 13px;
    line-height: 1.8;
}

.footer-links h4,
.footer-contact h4 {
    font-size: 16px;
    font-weight: 600;
    color: var(--white);
    margin-bottom: 20px;
}

.footer-links ul {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-links a {
    font-size: 14px;
    color: var(--gray-light);
}

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

.footer-contact p {
    margin-bottom: 12px;
}

.footer-contact a {
    color: var(--gray-light);
}

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

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

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

/* ===== About Page ===== */
.about-intro {
    padding: 100px 0;
}

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

.about-content h2 {
    font-size: 36px;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 24px;
}

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

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

.visual-box {
    width: 300px;
    height: 300px;
    background: var(--gradient);
    border-radius: var(--radius-lg);
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
}

.visual-shape {
    position: absolute;
    width: 100%;
    height: 100%;
    background: var(--primary-light);
    border-radius: var(--radius-lg);
    transform: rotate(10deg);
    z-index: -1;
    opacity: 0.5;
}

.visual-text {
    font-size: 72px;
    font-weight: 700;
    color: var(--white);
}

/* ===== Mission Vision ===== */
.mission-vision {
    padding: 100px 0;
    background: var(--lighter);
}

.mv-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
}

.mv-card {
    padding: 48px;
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    text-align: center;
}

.mv-icon {
    font-size: 48px;
    margin-bottom: 24px;
}

.mv-card h3 {
    font-size: 24px;
    font-weight: 600;
    color: var(--dark);
    margin-bottom: 16px;
}

.mv-card p {
    font-size: 16px;
    color: var(--gray);
    line-height: 1.8;
}

/* ===== Values ===== */
.values {
    padding: 100px 0;
}

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

.value-card {
    padding: 32px;
    text-align: center;
    border: 2px solid var(--light);
    border-radius: var(--radius-lg);
    transition: var(--transition);
}

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

.value-icon {
    font-size: 40px;
    margin-bottom: 16px;
}

.value-card h3 {
    font-size: 18px;
    font-weight: 600;
    color: var(--dark);
    margin-bottom: 12px;
}

.value-card p {
    font-size: 14px;
    color: var(--gray);
    line-height: 1.7;
}

/* ===== Industry ===== */
.industry {
    padding: 100px 0;
    background: var(--lighter);
}

.industry-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.industry-item {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 24px;
    background: var(--white);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.industry-item:hover {
    transform: translateX(8px);
    box-shadow: var(--shadow-lg);
}

.industry-icon {
    font-size: 32px;
}

.industry-item span:last-child {
    font-size: 15px;
    font-weight: 500;
    color: var(--dark);
}


/* ===== Services Page ===== */
.services-main {
    padding: 100px 0;
}

.service-detail {
    margin-bottom: 60px;
    padding-bottom: 60px;
    border-bottom: 1px solid var(--light);
}

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

.service-detail-header {
    display: flex;
    align-items: flex-start;
    gap: 30px;
    margin-bottom: 24px;
}

.service-detail-number {
    font-size: 72px;
    font-weight: 700;
    color: var(--primary);
    line-height: 1;
    opacity: 0.3;
}

.service-detail-info h2 {
    font-size: 32px;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 8px;
}

.service-tagline {
    font-size: 18px;
    color: var(--primary);
    font-weight: 500;
}

.service-detail-content p {
    font-size: 16px;
    color: var(--gray);
    line-height: 1.8;
    margin-bottom: 24px;
    max-width: 800px;
}

.service-features {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px 40px;
    list-style: none;
}

.service-features li {
    font-size: 15px;
    color: var(--dark);
    padding-left: 28px;
    position: relative;
}

.service-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--secondary);
    font-weight: 700;
}

/* ===== Process ===== */
.process {
    padding: 100px 0;
    background: var(--lighter);
}

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

.process-step {
    text-align: center;
    position: relative;
}

.process-step::after {
    content: '→';
    position: absolute;
    right: -20px;
    top: 30px;
    font-size: 24px;
    color: var(--gray-light);
}

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

.process-number {
    width: 60px;
    height: 60px;
    background: var(--gradient);
    color: var(--white);
    font-size: 24px;
    font-weight: 700;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.process-step h3 {
    font-size: 20px;
    font-weight: 600;
    color: var(--dark);
    margin-bottom: 12px;
}

.process-step p {
    font-size: 14px;
    color: var(--gray);
    line-height: 1.7;
}

/* ===== Contact Page ===== */
.contact-main {
    padding: 100px 0;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
}

.contact-info h2,
.contact-form-wrapper h2 {
    font-size: 32px;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 16px;
}

.contact-info > p {
    font-size: 16px;
    color: var(--gray);
    line-height: 1.8;
    margin-bottom: 40px;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 24px;
    margin-bottom: 40px;
}

.contact-item {
    display: flex;
    gap: 20px;
}

.contact-icon {
    font-size: 28px;
    width: 50px;
    height: 50px;
    background: var(--lighter);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.contact-text h3 {
    font-size: 16px;
    font-weight: 600;
    color: var(--dark);
    margin-bottom: 4px;
}

.contact-text a,
.contact-text p {
    font-size: 15px;
    color: var(--gray);
    line-height: 1.6;
}

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

.company-info {
    padding: 24px;
    background: var(--lighter);
    border-radius: var(--radius);
}

.company-info h3 {
    font-size: 16px;
    font-weight: 600;
    color: var(--dark);
    margin-bottom: 12px;
}

.company-name {
    font-size: 15px;
    font-weight: 500;
    color: var(--dark);
    margin-bottom: 4px;
}

.company-industry {
    font-size: 14px;
    color: var(--gray);
}

/* ===== Contact Form ===== */
.contact-form {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group label {
    font-size: 14px;
    font-weight: 500;
    color: var(--dark);
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 14px 16px;
    font-size: 15px;
    font-family: inherit;
    border: 2px solid var(--light);
    border-radius: var(--radius);
    transition: var(--transition);
    background: var(--white);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
}

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

.form-checkbox {
    flex-direction: row;
    align-items: flex-start;
    gap: 12px;
}

.form-checkbox input {
    width: 18px;
    height: 18px;
    margin-top: 2px;
    flex-shrink: 0;
}

.form-checkbox label {
    font-size: 14px;
    color: var(--gray);
    line-height: 1.5;
}

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

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

/* ===== Business Hours ===== */
.business-hours {
    padding: 80px 0;
    background: var(--lighter);
}

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

.hours-info h2,
.response-info h2 {
    font-size: 24px;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 24px;
}

.hours-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.hours-item {
    display: flex;
    justify-content: space-between;
    padding: 16px;
    background: var(--white);
    border-radius: var(--radius);
}

.hours-item span:first-child {
    font-weight: 500;
    color: var(--dark);
}

.hours-item span:last-child {
    color: var(--gray);
}

.response-info p {
    font-size: 16px;
    color: var(--gray);
    line-height: 1.8;
}

/* ===== Legal Pages ===== */
.legal-content {
    padding: 80px 0;
}

.legal-wrapper {
    max-width: 800px;
    margin: 0 auto;
}

.legal-section {
    margin-bottom: 48px;
}

.legal-section h2 {
    font-size: 24px;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 20px;
    padding-bottom: 12px;
    border-bottom: 2px solid var(--light);
}

.legal-section h3 {
    font-size: 18px;
    font-weight: 600;
    color: var(--dark);
    margin: 24px 0 12px;
}

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

.legal-contact {
    padding: 24px;
    background: var(--lighter);
    border-radius: var(--radius);
    margin-top: 24px;
}

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

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

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

/* ===== Mobile Menu ===== */
.mobile-menu {
    display: none;
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    background: var(--white);
    padding: 24px;
    box-shadow: var(--shadow-lg);
    z-index: 999;
}

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

.mobile-menu ul {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.mobile-menu a {
    font-size: 18px;
    font-weight: 500;
    color: var(--dark);
    padding: 12px 0;
    display: block;
}

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

/* ===== Responsive Design ===== */
@media (max-width: 1024px) {
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 30px;
    }
    
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 40px;
    }
    
    .values-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .process-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 40px;
    }
    
    .process-step::after {
        display: none;
    }
    
    .industry-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .mobile-menu-btn {
        display: flex;
    }
    
    .hero .container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-content h1 {
        font-size: 36px;
    }
    
    .hero-buttons {
        justify-content: center;
        flex-wrap: wrap;
    }
    
    .hero-visual {
        height: 250px;
    }
    
    .shape-1 {
        width: 200px;
        height: 200px;
    }
    
    .shape-2 {
        width: 120px;
        height: 120px;
    }
    
    .shape-3 {
        width: 60px;
        height: 60px;
    }
    
    .page-hero h1 {
        font-size: 32px;
    }
    
    .section-header h2 {
        font-size: 28px;
    }
    
    .features-grid,
    .services-grid,
    .stats-grid,
    .mv-grid,
    .values-grid,
    .process-grid,
    .industry-grid {
        grid-template-columns: 1fr;
    }
    
    .about-grid,
    .contact-grid,
    .hours-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .service-detail-header {
        flex-direction: column;
        gap: 16px;
    }
    
    .service-detail-number {
        font-size: 48px;
    }
    
    .service-features {
        grid-template-columns: 1fr;
    }
    
    .cta-content h2 {
        font-size: 28px;
    }
    
    .visual-box {
        width: 200px;
        height: 200px;
    }
    
    .visual-text {
        font-size: 48px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }
    
    .hero {
        padding: 120px 0 60px;
    }
    
    .hero-content h1 {
        font-size: 28px;
    }
    
    .hero-subtitle {
        font-size: 16px;
    }
    
    .btn {
        padding: 10px 20px;
        font-size: 14px;
    }
    
    .feature-card,
    .service-card,
    .mv-card,
    .value-card {
        padding: 24px;
    }
    
    .stat-number {
        font-size: 36px;
    }
    
    .service-detail-info h2 {
        font-size: 24px;
    }
}