:root {
    --primary: #0074C6;
    --primary-dark: #005299;
    --primary-light: #E6F2FA;
    --primary-gradient: linear-gradient(135deg, #0074C6 0%, #0089E0 100%);
    --success: #10B981;
    --success-light: #D1FAE5;
    --danger: #EF4444;
    --danger-light: #FEE2E2;
    --warning: #F59E0B;
    --warning-light: #FEF3C7;
    --dark: #0F172A;
    --gray-900: #1E293B;
    --gray-800: #334155;
    --gray-700: #475569;
    --gray-600: #64748B;
    --gray-500: #94A3B8;
    --gray-400: #CBD5E1;
    --gray-300: #E2E8F0;
    --gray-200: #F1F5F9;
    --gray-100: #F8FAFC;
    --white: #FFFFFF;
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow: 0 4px 6px -1px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 40px -10px rgb(0 0 0 / 0.15);
    --shadow-xl: 0 20px 50px -20px rgb(0 0 0 / 0.25);
    --radius: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --sidebar-width: 260px;
    --sidebar-collapsed: 80px;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
    color: var(--gray-900);
    background: #fff;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

/* Navigation */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    z-index: 1000;
    transition: all 0.3s ease;
    border-bottom: 1px solid var(--gray-200);
}

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

.nav-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    align-items: center;
    gap: 3rem;
}

.nav-container .nav-buttons {
    margin-left: auto;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.logo {
    display: flex;
    align-items: center;
    text-decoration: none;
    transition: opacity 0.2s ease;
}

.logo:hover {
    opacity: 0.8;
}

.logo-img {
    height: 40px;
    width: auto;
    max-width: 120px;
}

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

.nav-links a {
    color: var(--gray-700);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s;
    position: relative;
}

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

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--primary);
    transform: scaleX(0);
    transition: transform 0.2s;
}

.nav-links a:hover::after {
    transform: scaleX(1);
}

.nav-login {
    border: 2px solid var(--primary);
    color: var(--primary);
    background: white;
    padding: 0.625rem 1.5rem;
    border-radius: var(--radius);
    text-decoration: none;
    font-weight: 600;
    transition: all 0.2s;
}

.nav-login:hover {
    background: var(--primary);
    color: white;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px 0 rgba(0, 116, 198, 0.25);
}

.nav-cta {
    background: var(--primary-gradient);
    color: white;
    padding: 0.625rem 1.5rem;
    border-radius: var(--radius);
    text-decoration: none;
    font-weight: 600;
    transition: all 0.2s;
    box-shadow: 0 4px 14px 0 rgba(0, 116, 198, 0.25);
}

.nav-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px 0 rgba(0, 116, 198, 0.35);
}

/* Progress Bar */
.progress-bar {
    position: fixed;
    top: 0;
    left: 0;
    height: 3px;
    background: var(--primary-gradient);
    z-index: 1001;
    transition: width 0.3s;
}

/* Section Base */
.section {
    padding: 5rem 2rem;
}

.section-container {
    max-width: 1280px;
    margin: 0 auto;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-badge {
    display: inline-block;
    background: var(--primary-light);
    color: var(--primary);
    padding: 0.375rem 1rem;
    border-radius: 100px;
    font-weight: 600;
    font-size: 0.875rem;
    margin-bottom: 1rem;
}

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--dark);
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--gray-600);
    max-width: 600px;
    margin: 0 auto;
}

/* Buttons */
.btn {
    padding: 1rem 2rem;
    border-radius: var(--radius);
    text-decoration: none;
    font-weight: 600;
    transition: all 0.2s;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.1rem;
    border: none;
    cursor: pointer;
}

.btn-primary {
    background: var(--primary-gradient);
    color: white;
    box-shadow: 0 4px 14px 0 rgba(0, 116, 198, 0.25);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px 0 rgba(0, 116, 198, 0.35);
}

.btn-secondary {
    background: white;
    color: var(--primary);
    border: 2px solid var(--gray-300);
}

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

.btn-white {
    background: white;
    color: var(--primary);
    box-shadow: var(--shadow-lg);
}

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

/* Forms */
.form-container {
    max-width: 500px;
    margin: 0 auto;
    background: white;
    border-radius: var(--radius-xl);
    padding: 2rem;
    box-shadow: var(--shadow-xl);
}

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

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

.form-input {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 2px solid var(--gray-300);
    border-radius: var(--radius);
    font-size: 1rem;
    transition: all 0.2s;
}

.form-input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(0, 116, 198, 0.1);
}

.form-checkbox {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    margin-bottom: 1.5rem;
}

.form-checkbox input {
    margin-top: 0.25rem;
}

.form-checkbox label {
    color: var(--gray-700);
    font-size: 0.875rem;
}

.form-submit {
    width: 100%;
    padding: 1rem;
    background: var(--primary-gradient);
    color: white;
    border: none;
    border-radius: var(--radius);
    font-size: 1.125rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    box-shadow: 0 4px 14px 0 rgba(0, 116, 198, 0.25);
}

.form-submit:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px 0 rgba(0, 116, 198, 0.35);
}

.form-reassurances {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
    margin-top: 1.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--gray-300);
}

.reassurance {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--gray-600);
    font-size: 0.875rem;
}

.reassurance::before {
    content: '✓';
    color: var(--success);
    font-weight: bold;
}

/* Footer */
.footer {
    background: var(--dark);
    color: white;
    padding: 3rem 2rem 1.5rem;
}

.footer-container {
    max-width: 1280px;
    margin: 0 auto;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
    margin-bottom: 2rem;
}

.footer-column h4 {
    margin-bottom: 1rem;
    font-weight: 600;
}

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

.footer-links li {
    margin-bottom: 0.75rem;
}

.footer-links a {
    color: var(--gray-400);
    text-decoration: none;
    transition: color 0.2s;
}

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

.footer-bottom {
    padding-top: 2rem;
    border-top: 1px solid var(--gray-800);
    text-align: center;
    color: var(--gray-500);
}

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

/* Floating CTA */
.floating-cta {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    background: var(--primary-gradient);
    color: white;
    padding: 1rem 1.5rem;
    border-radius: 100px;
    box-shadow: var(--shadow-xl);
    text-decoration: none;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transform: translateY(100px);
    opacity: 0;
    transition: all 0.3s;
    z-index: 999;
}

.floating-cta.visible {
    transform: translateY(0);
    opacity: 1;
}

.floating-cta:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px 0 rgba(0, 116, 198, 0.4);
}

/* Animations */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

.slide-left {
    opacity: 0;
    transform: translateX(-50px);
    transition: all 0.6s ease;
}

.slide-left.visible {
    opacity: 1;
    transform: translateX(0);
}

.slide-right {
    opacity: 0;
    transform: translateX(50px);
    transition: all 0.6s ease;
}

.slide-right.visible {
    opacity: 1;
    transform: translateX(0);
}

.scale-up {
    opacity: 0;
    transform: scale(0.8);
    transition: all 0.6s ease;
}

.scale-up.visible {
    opacity: 1;
    transform: scale(1);
}

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

    .nav-buttons {
        display: none;
    }

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

    .section {
        padding: 3rem 1rem;
    }

    .floating-cta {
        bottom: 1rem;
        right: 1rem;
        padding: 0.75rem 1.25rem;
    }
}