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

:root {
    --primary-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --glass-bg: rgba(255, 255, 255, 0.1);
    --glass-border: rgba(255, 255, 255, 0.18);
    --text-primary: #1a202c;
    --text-secondary: #4a5568;
    --text-light: #718096;
    --accent-purple: #667eea;
    --accent-violet: #764ba2;
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.12);
    --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.16);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    overflow-x: hidden;
}

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

/* ===== Navigation ===== */
.nav-container {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    backdrop-filter: blur(20px) saturate(180%);
    background: rgba(255, 255, 255, 0.75);
    border-bottom: 1px solid rgba(255, 255, 255, 0.3);
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.06);
}

.nav-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 16px 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 24px;
    font-weight: 700;
    color: var(--text-primary);
    text-decoration: none;
}

.logo-icon {
    font-size: 28px;
}

.nav-links {
    display: flex;
    gap: 8px;
    align-items: center;
}

.nav-link {
    padding: 10px 20px;
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    border-radius: 2xl;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
}

.nav-link:hover {
    color: var(--accent-purple);
    background: rgba(102, 126, 234, 0.08);
}

.nav-link.active {
    color: var(--accent-purple);
    background: rgba(102, 126, 234, 0.12);
}

.nav-link.nav-cta {
    background: var(--primary-gradient);
    color: white;
    padding: 10px 24px;
    border-radius: 2xl;
}

.nav-link.nav-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(102, 126, 234, 0.3);
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    cursor: pointer;
}

.mobile-menu-toggle span {
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    border-radius: 2xl;
    transition: all 0.3s;
}

/* ===== Hero Section ===== */
.hero {
    position: relative;
    padding: 160px 0 100px;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.1) 0%, rgba(118, 75, 162, 0.1) 100%);
    z-index: -1;
}

.hero-content {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 20px;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 2xl;
    font-size: 14px;
    font-weight: 500;
    color: var(--accent-purple);
    margin-bottom: 24px;
    box-shadow: var(--shadow-sm);
}

.badge-dot {
    width: 8px;
    height: 8px;
    background: var(--accent-purple);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.hero-title {
    font-size: 64px;
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: 24px;
    color: var(--text-primary);
}

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

.hero-description {
    font-size: 20px;
    color: var(--text-secondary);
    margin-bottom: 40px;
    line-height: 1.6;
}

.hero-actions {
    display: flex;
    gap: 16px;
    justify-content: center;
    margin-bottom: 60px;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 60px;
    margin-top: 60px;
}

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

.stat-value {
    font-size: 36px;
    font-weight: 700;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 8px;
}

.stat-label {
    font-size: 14px;
    color: var(--text-light);
    font-weight: 500;
}

/* ===== Buttons ===== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 32px;
    font-size: 16px;
    font-weight: 600;
    text-decoration: none;
    border-radius: 2xl;
    border: none;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: var(--primary-gradient);
    color: white;
    box-shadow: 0 4px 16px rgba(102, 126, 234, 0.3);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 24px rgba(102, 126, 234, 0.4);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    color: var(--accent-purple);
    border: 1px solid rgba(102, 126, 234, 0.2);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.95);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-large {
    padding: 18px 40px;
    font-size: 18px;
}

.btn-full {
    width: 100%;
    justify-content: center;
}

.btn-icon {
    transition: transform 0.3s;
}

.btn:hover .btn-icon {
    transform: translateX(4px);
}

/* ===== Sections ===== */
.features-overview,
.solutions-preview,
.features-detail,
.solutions-detail,
.about-content {
    padding: 100px 0;
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 60px;
}

.section-title {
    font-size: 42px;
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--text-primary);
}

.section-description {
    font-size: 18px;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ===== Feature Cards ===== */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 32px;
}

.feature-card {
    padding: 40px 32px;
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(20px) saturate(120%);
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 2xl;
    box-shadow: var(--shadow-md);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 16px 40px rgba(0, 0, 0, 0.12);
    background: rgba(255, 255, 255, 0.85);
}

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

.feature-title {
    font-size: 22px;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--text-primary);
}

.feature-description {
    font-size: 16px;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ===== Solutions ===== */
.solutions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 32px;
}

.solution-card {
    padding: 40px;
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(20px) saturate(120%);
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 2xl;
    box-shadow: var(--shadow-md);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

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

.solution-image {
    margin-bottom: 24px;
}

.solution-icon {
    font-size: 64px;
    text-align: center;
}

.solution-title {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 12px;
}

.solution-description {
    font-size: 16px;
    color: var(--text-secondary);
    margin-bottom: 20px;
    line-height: 1.6;
}

.solution-link {
    color: var(--accent-purple);
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s;
}

.solution-link:hover {
    color: var(--accent-violet);
}

/* ===== CTA Section ===== */
.cta-section {
    padding: 100px 0;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.1) 0%, rgba(118, 75, 162, 0.1) 100%);
}

.cta-content {
    text-align: center;
    max-width: 700px;
    margin: 0 auto;
}

.cta-title {
    font-size: 42px;
    font-weight: 700;
    margin-bottom: 16px;
}

.cta-description {
    font-size: 18px;
    color: var(--text-secondary);
    margin-bottom: 40px;
}

.cta-actions {
    display: flex;
    gap: 16px;
    justify-content: center;
}

/* ===== Footer ===== */
.footer {
    padding: 60px 0 30px;
    background: rgba(255, 255, 255, 0.5);
    backdrop-filter: blur(20px);
    border-top: 1px solid rgba(255, 255, 255, 0.3);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 16px;
}

.footer-description {
    color: var(--text-secondary);
    font-size: 14px;
    line-height: 1.6;
}

.footer-title {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 16px;
}

.footer-links {
    list-style: none;
}

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

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 14px;
    transition: color 0.3s;
}

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

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 30px;
    border-top: 1px solid rgba(0, 0, 0, 0.08);
    font-size: 14px;
    color: var(--text-light);
}

.footer-legal {
    display: flex;
    gap: 24px;
}

.footer-legal a {
    color: var(--text-light);
    text-decoration: none;
    transition: color 0.3s;
}

.footer-legal a:hover {
    color: var(--accent-purple);
}

/* ===== Page Header ===== */
.page-header {
    padding: 140px 0 80px;
    text-align: center;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.08) 0%, rgba(118, 75, 162, 0.08) 100%);
}

.page-title {
    font-size: 52px;
    font-weight: 700;
    margin-bottom: 16px;
}

.page-description {
    font-size: 20px;
    color: var(--text-secondary);
}

/* ===== Feature Detail ===== */
.feature-detail-item {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
    margin-bottom: 100px;
}

.feature-detail-item.reverse {
    direction: rtl;
}

.feature-detail-item.reverse > * {
    direction: ltr;
}

.feature-badge {
    display: inline-block;
    padding: 6px 16px;
    background: rgba(102, 126, 234, 0.1);
    color: var(--accent-purple);
    border-radius: 2xl;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 16px;
}

.feature-detail-title {
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 20px;
}

.feature-detail-description {
    font-size: 18px;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 24px;
}

.feature-list {
    list-style: none;
}

.feature-list li {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
    font-size: 16px;
    color: var(--text-secondary);
}

.check-icon {
    color: var(--accent-purple);
    flex-shrink: 0;
}

.feature-detail-visual {
    height: 400px;
}

.visual-placeholder {
    height: 100%;
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 2xl;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-lg);
}

.chart-visual {
    font-size: 80px;
    margin-bottom: 16px;
}

.visual-label {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-secondary);
}

/* ===== Solutions Detail ===== */
.solution-detail-item {
    margin-bottom: 80px;
    padding: 60px;
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 2xl;
    box-shadow: var(--shadow-md);
}

.solution-detail-header {
    display: flex;
    align-items: center;
    gap: 24px;
    margin-bottom: 24px;
}

.solution-icon-large {
    font-size: 72px;
}

.solution-detail-title {
    font-size: 36px;
    font-weight: 700;
}

.solution-detail-description {
    font-size: 18px;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 32px;
}

.solution-benefits h3 {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 20px;
}

/* ===== About Page ===== */
.about-section {
    margin-bottom: 60px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.about-text {
    font-size: 18px;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 20px;
}

.values-section {
    margin-top: 80px;
}

.values-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 32px;
    margin-top: 40px;
}

.value-card {
    text-align: center;
    padding: 40px 24px;
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 2xl;
    box-shadow: var(--shadow-md);
    transition: all 0.3s;
}

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

.value-icon {
    font-size: 48px;
    margin-bottom: 16px;
}

.value-title {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 12px;
}

.value-description {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ===== Contact Page ===== */
.contact-section {
    padding: 80px 0;
}

.contact-container {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 60px;
    max-width: 1100px;
    margin: 0 auto;
}

.contact-info-title {
    font-size: 32px;
    font-weight: 700;
    margin-bottom: 16px;
}

.contact-info-text {
    font-size: 16px;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 40px;
}

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

.contact-detail-item {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 20px;
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 2xl;
    box-shadow: var(--shadow-sm);
}

.contact-detail-icon {
    font-size: 32px;
}

.contact-detail-item h4 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 4px;
}

.contact-detail-item p {
    font-size: 14px;
    color: var(--text-secondary);
}

.contact-form-container {
    padding: 48px;
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 2xl;
    box-shadow: var(--shadow-lg);
}

.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: 600;
    color: var(--text-primary);
}

.form-input {
    padding: 14px 18px;
    font-size: 16px;
    font-family: 'Inter', sans-serif;
    background: rgba(255, 255, 255, 0.9);
    border: 1px solid rgba(0, 0, 0, 0.1);
    border-radius: 2xl;
    transition: all 0.3s;
    outline: none;
}

.form-input:focus {
    border-color: var(--accent-purple);
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
    background: white;
}

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

/* ===== Responsive Design ===== */
@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .hero-title {
        font-size: 42px;
    }
    
    .hero-description {
        font-size: 18px;
    }
    
    .hero-actions {
        flex-direction: column;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: 30px;
    }
    
    .section-title {
        font-size: 32px;
    }
    
    .features-grid,
    .solutions-grid,
    .values-grid {
        grid-template-columns: 1fr;
    }
    
    .feature-detail-item {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 16px;
        text-align: center;
    }
    
    .contact-container {
        grid-template-columns: 1fr;
    }
    
    .solution-detail-item {
        padding: 32px 24px;
    }
    
    .page-title {
        font-size: 36px;
    }
}