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

:root {
    --primary-color: #0f172a;
    --secondary-color: #1e293b;
    --accent-color: #3b82f6;
    --accent-light: #60a5fa;
    --accent-dark: #2563eb;
    --text-color: #334155;
    --text-light: #64748b;
    --light-bg: #f8fafc;
    --white: #ffffff;
    --border-color: #e2e8f0;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-accent: linear-gradient(135deg, #3b82f6 0%, #8b5cf6 100%);
    --gradient-dark: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.7;
    color: var(--text-color);
    background-color: var(--white);
    overflow-x: hidden;
}

/* Smooth scrolling */
html {
    scroll-behavior: smooth;
}

/* Custom selection */
::selection {
    background-color: var(--accent-color);
    color: var(--white);
}

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

/* Header and Navigation */
header {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
    position: sticky;
    top: 0;
    z-index: 1000;
    transition: all 0.3s ease;
}

header.scrolled {
    box-shadow: var(--shadow-md);
}

.navbar {
    padding: 1.5rem 0;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.nav-right {
    display: flex;
    align-items: center;
    gap: 2rem;
}

/* Language Switcher */
.language-switcher {
    display: flex;
    gap: 0.5rem;
    align-items: center;
}

.lang-btn {
    background: transparent;
    border: 2px solid var(--border-color);
    color: var(--text-color);
    padding: 0.4rem 0.9rem;
    border-radius: 50px;
    cursor: pointer;
    font-weight: 600;
    font-size: 0.85rem;
    transition: all 0.3s ease;
    letter-spacing: 0.5px;
}

.lang-btn:hover {
    border-color: var(--accent-color);
    color: var(--accent-color);
    transform: translateY(-2px);
}

.lang-btn.active {
    background: var(--gradient-accent);
    border-color: transparent;
    color: var(--white);
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
}

.logo h1 {
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 0.2rem;
    letter-spacing: -0.5px;
}

.tagline {
    color: var(--text-light);
    font-size: 0.85rem;
    font-weight: 500;
    letter-spacing: 0.5px;
}

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

.nav-menu a {
    color: var(--text-color);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    transition: all 0.3s ease;
    padding: 0.5rem 1rem;
    border-radius: 8px;
    position: relative;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--gradient-accent);
    transition: all 0.3s ease;
    transform: translateX(-50%);
}

.nav-menu a:hover::after,
.nav-menu a.active::after {
    width: 80%;
}

.nav-menu a:hover,
.nav-menu a.active {
    color: var(--accent-color);
    background-color: transparent;
}

/* Hero Section */
.hero {
    background: var(--gradient-dark);
    color: var(--white);
    padding: 8rem 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 50%, rgba(59, 130, 246, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(139, 92, 246, 0.1) 0%, transparent 50%);
    animation: gradientShift 15s ease infinite;
}

/* Abstract geometric pattern overlay */
.hero::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        linear-gradient(30deg, rgba(59, 130, 246, 0.03) 12%, transparent 12.5%, transparent 87%, rgba(59, 130, 246, 0.03) 87.5%, rgba(59, 130, 246, 0.03)),
        linear-gradient(150deg, rgba(59, 130, 246, 0.03) 12%, transparent 12.5%, transparent 87%, rgba(59, 130, 246, 0.03) 87.5%, rgba(59, 130, 246, 0.03)),
        linear-gradient(30deg, rgba(59, 130, 246, 0.03) 12%, transparent 12.5%, transparent 87%, rgba(59, 130, 246, 0.03) 87.5%, rgba(59, 130, 246, 0.03)),
        linear-gradient(150deg, rgba(59, 130, 246, 0.03) 12%, transparent 12.5%, transparent 87%, rgba(59, 130, 246, 0.03) 87.5%, rgba(59, 130, 246, 0.03)),
        linear-gradient(60deg, rgba(139, 92, 246, 0.05) 25%, transparent 25.5%, transparent 75%, rgba(139, 92, 246, 0.05) 75%, rgba(139, 92, 246, 0.05)),
        linear-gradient(60deg, rgba(139, 92, 246, 0.05) 25%, transparent 25.5%, transparent 75%, rgba(139, 92, 246, 0.05) 75%, rgba(139, 92, 246, 0.05));
    background-size: 80px 140px;
    background-position: 0 0, 0 0, 40px 70px, 40px 70px, 0 0, 40px 70px;
    opacity: 0.3;
}

@keyframes gradientShift {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.8; }
}

.hero .container {
    position: relative;
    z-index: 1;
}

.hero h2 {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    font-weight: 800;
    letter-spacing: -1px;
    line-height: 1.2;
    animation: fadeInUp 0.8s ease;
}

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

.hero-text {
    font-size: 1.3rem;
    margin-bottom: 2.5rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.8;
    opacity: 0.95;
    font-weight: 400;
    animation: fadeInUp 0.8s ease 0.2s backwards;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 1rem 2.5rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1rem;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
    border: none;
    position: relative;
    overflow: hidden;
    animation: fadeInUp 0.8s ease 0.4s backwards;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s;
}

.btn:hover::before {
    left: 100%;
}

.btn-primary {
    background-color: var(--white);
    color: var(--primary-color);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.3);
}

.btn-secondary {
    background: var(--gradient-accent);
    color: var(--white);
    box-shadow: 0 10px 25px rgba(59, 130, 246, 0.3);
}

.btn-secondary:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 35px rgba(59, 130, 246, 0.4);
}

/* Features Section */
.features {
    padding: 6rem 0;
    background: linear-gradient(180deg, var(--white) 0%, var(--light-bg) 100%);
    position: relative;
}

.features h2 {
    text-align: center;
    font-size: 2.75rem;
    color: var(--primary-color);
    margin-bottom: 4rem;
    font-weight: 800;
    letter-spacing: -0.5px;
    position: relative;
    display: inline-block;
    left: 50%;
    transform: translateX(-50%);
}

.features h2::after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: var(--gradient-accent);
    border-radius: 2px;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.feature-card {
    background-color: var(--white);
    padding: 2.5rem;
    border-radius: 20px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(0, 0, 0, 0.05);
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-accent);
    transform: scaleX(0);
    transition: transform 0.4s ease;
}

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

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    border-color: rgba(59, 130, 246, 0.2);
}

.feature-icon {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    display: inline-block;
    transition: transform 0.4s ease;
}

.feature-card:hover .feature-icon {
    transform: scale(1.1) rotate(5deg);
}

.feature-card h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: -0.3px;
}

.feature-card p {
    color: var(--text-light);
    line-height: 1.7;
    font-size: 1rem;
}

/* CTA Section */
.cta {
    background: var(--gradient-dark);
    color: var(--white);
    padding: 6rem 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 30% 20%, rgba(59, 130, 246, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 70% 80%, rgba(139, 92, 246, 0.15) 0%, transparent 50%);
}

.cta::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        repeating-linear-gradient(45deg, transparent, transparent 35px, rgba(59, 130, 246, 0.03) 35px, rgba(59, 130, 246, 0.03) 70px);
    opacity: 0.5;
}

.cta .container {
    position: relative;
    z-index: 1;
}

.cta h2 {
    font-size: 2.75rem;
    margin-bottom: 1.5rem;
    font-weight: 800;
    letter-spacing: -0.5px;
}

.cta p {
    font-size: 1.2rem;
    margin-bottom: 2.5rem;
    opacity: 0.95;
}

/* Page Header */
.page-header {
    background: var(--gradient-dark);
    color: var(--white);
    padding: 5rem 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.page-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 50%, rgba(59, 130, 246, 0.1) 0%, transparent 50%);
}

.page-header::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        linear-gradient(45deg, rgba(59, 130, 246, 0.02) 25%, transparent 25%),
        linear-gradient(-45deg, rgba(59, 130, 246, 0.02) 25%, transparent 25%),
        linear-gradient(45deg, transparent 75%, rgba(59, 130, 246, 0.02) 75%),
        linear-gradient(-45deg, transparent 75%, rgba(59, 130, 246, 0.02) 75%);
    background-size: 60px 60px;
    background-position: 0 0, 0 30px, 30px -30px, -30px 0px;
    opacity: 0.4;
}

.page-header .container {
    position: relative;
    z-index: 1;
}

.page-header h2 {
    font-size: 3rem;
    margin-bottom: 1rem;
    font-weight: 800;
    letter-spacing: -0.5px;
}

.subtitle {
    font-size: 1.2rem;
    opacity: 0.9;
    font-weight: 400;
}

/* Content Section */
.content-section {
    padding: 5rem 0;
}

.content-wrapper {
    max-width: 900px;
    margin: 0 auto;
}

.content-block {
    margin-bottom: 3rem;
}

.content-block h3 {
    color: var(--primary-color);
    font-size: 2rem;
    margin-bottom: 1rem;
}

.content-block p {
    margin-bottom: 1rem;
    font-size: 1.1rem;
    line-height: 1.8;
}

.values-list,
.benefits-list {
    list-style: none;
    padding-left: 0;
}

.values-list li,
.benefits-list li {
    padding: 0.8rem 0;
    padding-left: 2rem;
    position: relative;
    font-size: 1.1rem;
}

.values-list li:before,
.benefits-list li:before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--accent-color);
    font-weight: bold;
    font-size: 1.2rem;
}

/* Contact Page */
.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 3rem;
    margin-top: 2rem;
}

.contact-info h3,
.contact-form-container h3 {
    color: var(--primary-color);
    font-size: 1.8rem;
    margin-bottom: 1.5rem;
}

.contact-methods {
    margin-top: 2rem;
}

.contact-method {
    margin-bottom: 2rem;
    padding: 1.5rem;
    background-color: var(--light-bg);
    border-radius: 8px;
}

.contact-icon {
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.contact-method h4 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.contact-method p,
.contact-method a {
    color: var(--text-color);
    text-decoration: none;
}

.contact-method a:hover {
    color: var(--accent-color);
}

/* Contact Form */
.contact-form {
    background-color: var(--light-bg);
    padding: 2rem;
    border-radius: 8px;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--primary-color);
    font-weight: 600;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.8rem;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-size: 1rem;
    font-family: inherit;
    transition: border-color 0.3s ease;
}

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

.form-note {
    margin-top: 1rem;
    font-size: 0.9rem;
    color: var(--text-color);
}

/* Footer */
footer {
    background: var(--gradient-dark);
    color: var(--white);
    padding: 3rem 0;
    text-align: center;
    position: relative;
}

footer p {
    margin: 0.5rem 0;
    opacity: 0.9;
}

.footer-disclaimer {
    font-size: 0.9rem;
    opacity: 0.7;
}

/* Responsive Design */
@media (max-width: 768px) {
    .navbar .container {
        flex-direction: column;
        gap: 1rem;
    }

    .nav-right {
        flex-direction: column;
        width: 100%;
        gap: 1rem;
    }

    .nav-menu {
        flex-direction: column;
        gap: 0.5rem;
        text-align: center;
        width: 100%;
    }

    .language-switcher {
        justify-content: center;
    }

    .hero h2 {
        font-size: 2rem;
    }

    .hero-text {
        font-size: 1.1rem;
    }

    .features h2,
    .cta h2,
    .page-header h2 {
        font-size: 2rem;
    }

    .feature-grid {
        grid-template-columns: 1fr;
    }

    .contact-grid {
        grid-template-columns: 1fr;
    }

    .content-block h3 {
        font-size: 1.5rem;
    }
}

@media (max-width: 480px) {
    .hero {
        padding: 4rem 0;
    }

    .hero h2 {
        font-size: 1.5rem;
    }

    .hero-text {
        font-size: 1rem;
    }

    .btn {
        padding: 0.8rem 1.5rem;
        font-size: 0.9rem;
    }

    .features,
    .content-section {
        padding: 3rem 0;
    }
}