/* ============================================
   MODERN 2025 DESIGN SYSTEM
   Professional, Clean, Trustworthy
   ============================================ */

:root {
    /* Modern Color Palette - Professional & Trustworthy */
    --primary: #2563eb;        /* Modern Blue */
    --primary-dark: #1e40af;
    --primary-light: #3b82f6;
    --secondary: #10b981;      /* Success Green */
    --accent: #f59e0b;         /* Warm Accent */
    --background: #ffffff;
    --surface: #f8fafc;
    --surface-elevated: #ffffff;
    --text-primary: #0f172a;
    --text-secondary: #64748b;
    --text-muted: #94a3b8;
    --border: #e2e8f0;
    --border-light: #f1f5f9;

    /* Shadows - Modern Depth */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);

    /* Typography - Modern Scale */
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-display: 'Inter', sans-serif;

    /* Spacing - 8px base */
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-12: 3rem;
    --space-16: 4rem;
    --space-24: 6rem;

    /* Border Radius - Modern */
    --radius-sm: 0.375rem;
    --radius: 0.5rem;
    --radius-md: 0.75rem;
    --radius-lg: 1rem;
    --radius-xl: 1.5rem;
    --radius-2xl: 2rem;

    /* Transitions */
    --transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ============================================
   GLOBAL RESET & BASE
   ============================================ */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-sans);
    background: var(--background);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

/* ============================================
   MODERN NAVIGATION - 2025 STYLE
   ============================================ */

nav {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow-sm);
}

.nav-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: var(--space-4) var(--space-6);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.nav-links {
    display: flex;
    gap: var(--space-8);
    list-style: none;
}

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.9375rem;
    transition: var(--transition);
    position: relative;
}

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

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary);
    transition: width 0.3s ease;
}

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

.cta-button {
    background: var(--primary);
    color: white;
    padding: var(--space-3) var(--space-6);
    border-radius: var(--radius);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
    box-shadow: var(--shadow);
}

.cta-button:hover {
    background: var(--primary-dark);
    box-shadow: var(--shadow-md);
    transform: translateY(-1px);
}

/* Mobile Menu */
.mobile-menu-button {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--text-primary);
    cursor: pointer;
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }

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

/* ============================================
   MODERN HERO SECTION - 2025
   ============================================ */

.hero {
    position: relative;
    min-height: 600px;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: url('data:image/svg+xml,<svg width="100" height="100" xmlns="http://www.w3.org/2000/svg"><defs><pattern id="grid" width="40" height="40" patternUnits="userSpaceOnUse"><path d="M 40 0 L 0 0 0 40" fill="none" stroke="rgba(255,255,255,0.05)" stroke-width="1"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
    opacity: 0.3;
}

.hero-content {
    position: relative;
    max-width: 1280px;
    margin: 0 auto;
    padding: var(--space-16) var(--space-6);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-12);
    align-items: center;
}

.hero-text h1 {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: var(--space-6);
    letter-spacing: -0.02em;
}

.hero-text p {
    font-size: 1.25rem;
    opacity: 0.95;
    margin-bottom: var(--space-8);
    line-height: 1.7;
}

.hero-buttons {
    display: flex;
    gap: var(--space-4);
    flex-wrap: wrap;
}

.btn-primary {
    background: white;
    color: var(--primary);
    padding: var(--space-4) var(--space-8);
    border-radius: var(--radius-md);
    text-decoration: none;
    font-weight: 600;
    font-size: 1.0625rem;
    transition: var(--transition);
    box-shadow: var(--shadow-lg);
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
}

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

.btn-secondary {
    background: rgba(255, 255, 255, 0.2);
    color: white;
    padding: var(--space-4) var(--space-8);
    border-radius: var(--radius-md);
    text-decoration: none;
    font-weight: 600;
    font-size: 1.0625rem;
    transition: var(--transition);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: translateY(-2px);
}

/* Trust Indicators */
.trust-indicators {
    display: flex;
    gap: var(--space-8);
    margin-top: var(--space-8);
    padding-top: var(--space-8);
    border-top: 1px solid rgba(255, 255, 255, 0.2);
}

.trust-item {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.trust-icon {
    width: 48px;
    height: 48px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

@media (max-width: 968px) {
    .hero-content {
        grid-template-columns: 1fr;
    }

    .hero-text h1 {
        font-size: 2.5rem;
    }
}

/* ============================================
   MODERN CARDS - 2025
   ============================================ */

.card {
    background: var(--surface-elevated);
    border-radius: var(--radius-lg);
    padding: var(--space-8);
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
    transition: var(--transition);
}

.card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
    border-color: var(--primary-light);
}

.card-header {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    margin-bottom: var(--space-6);
}

.card-icon {
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.75rem;
}

.card-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--space-2);
}

.card-description {
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ============================================
   MODERN FORMS - 2025
   ============================================ */

.form-group {
    margin-bottom: var(--space-6);
}

.form-label {
    display: block;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--space-2);
    font-size: 0.9375rem;
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: var(--space-3) var(--space-4);
    border: 1.5px solid var(--border);
    border-radius: var(--radius);
    font-size: 1rem;
    font-family: var(--font-sans);
    transition: var(--transition);
    background: var(--surface);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

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

.form-button {
    background: var(--primary);
    color: white;
    padding: var(--space-4) var(--space-8);
    border: none;
    border-radius: var(--radius);
    font-size: 1.0625rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: var(--shadow);
}

.form-button:hover {
    background: var(--primary-dark);
    box-shadow: var(--shadow-md);
    transform: translateY(-1px);
}

.form-button:active {
    transform: translateY(0);
}

/* ============================================
   CONTACT INFO - PROFESSIONAL
   ============================================ */

.contact-info {
    display: flex;
    gap: var(--space-6);
    margin-top: var(--space-8);
    flex-wrap: wrap;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-4) var(--space-6);
    background: var(--surface);
    border-radius: var(--radius);
    border: 1px solid var(--border);
}

.contact-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.25rem;
}

.contact-item a {
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
}

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

/* ============================================
   FOOTER - MODERN
   ============================================ */

footer {
    background: var(--text-primary);
    color: white;
    padding: var(--space-16) var(--space-6) var(--space-8);
    margin-top: var(--space-24);
}

.footer-content {
    max-width: 1280px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-12);
}

.footer-section h3 {
    font-size: 1.125rem;
    margin-bottom: var(--space-4);
    color: white;
}

.footer-section ul {
    list-style: none;
}

.footer-section a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: var(--transition);
    display: block;
    padding: var(--space-2) 0;
}

.footer-section a:hover {
    color: white;
    padding-left: var(--space-2);
}

.social-links {
    display: flex;
    gap: var(--space-4);
    margin-top: var(--space-4);
}

.social-link {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    text-decoration: none;
    transition: var(--transition);
}

.social-link:hover {
    background: var(--primary);
    transform: translateY(-2px);
}

.footer-bottom {
    max-width: 1280px;
    margin: var(--space-12) auto 0;
    padding-top: var(--space-8);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
    color: rgba(255, 255, 255, 0.6);
}

/* ============================================
   UTILITY CLASSES
   ============================================ */

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--space-6);
}

.section {
    padding: var(--space-16) 0;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 800;
    text-align: center;
    margin-bottom: var(--space-12);
    color: var(--text-primary);
}

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-8);
}

.badge {
    display: inline-block;
    padding: var(--space-2) var(--space-4);
    background: var(--primary);
    color: white;
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    font-weight: 600;
}

/* ============================================
   ANIMATIONS
   ============================================ */

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

.animate-fade-in-up {
    animation: fadeInUp 0.6s ease-out forwards;
}

/* Responsive */
@media (max-width: 768px) {
    .hero-text h1 {
        font-size: 2rem;
    }

    .section-title {
        font-size: 2rem;
    }

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