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

:root {
    --primary-color: #1a1a1a;
    --secondary-color: #2563eb;
    --text-dark: #1f2937;
    --text-light: #6b7280;
    --bg-light: #f9fafb;
    --bg-white: #ffffff;
    --border-color: #e5e7eb;
    --max-width: 1200px;
    --spacing-unit: 1rem;
}

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

.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 calc(var(--spacing-unit) * 1.5);
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    z-index: 1000;
    transition: all 0.3s ease;
}

.nav-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: calc(var(--spacing-unit) * 1.25) 0;
}

.logo {
    font-size: 1.5rem;
    font-weight: 600;
    letter-spacing: -0.5px;
    color: var(--primary-color);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: calc(var(--spacing-unit) * 2.5);
}

.nav-menu a {
    color: var(--text-dark);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    transition: color 0.3s ease;
}

.nav-menu a:hover {
    color: var(--secondary-color);
}

/* Hero Section */
.hero {
    padding-top: calc(var(--spacing-unit) * 10);
    padding-bottom: calc(var(--spacing-unit) * 6);
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, var(--bg-white) 0%, var(--bg-light) 100%);
}

.hero-content {
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
}

.hero-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: calc(var(--spacing-unit) * 1.5);
    letter-spacing: -1px;
    color: var(--primary-color);
}

.hero-subtitle {
    font-size: clamp(1.1rem, 2vw, 1.4rem);
    color: var(--text-light);
    margin-bottom: calc(var(--spacing-unit) * 3);
    font-weight: 400;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: calc(var(--spacing-unit) * 2);
    margin-bottom: calc(var(--spacing-unit) * 3);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.stat {
    display: flex;
    flex-direction: column;
    padding: calc(var(--spacing-unit) * 1.5);
    background: var(--bg-white);
    border-radius: 12px;
    border: 1px solid var(--border-color);
}

.stat-value {
    font-size: 1.75rem;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 0.25rem;
}

.stat-label {
    font-size: 0.875rem;
    color: var(--text-light);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.cta-button {
    display: inline-block;
    padding: calc(var(--spacing-unit) * 0.875) calc(var(--spacing-unit) * 2.5);
    background: var(--secondary-color);
    color: white;
    text-decoration: none;
    border-radius: 8px;
    font-weight: 500;
    font-size: 1rem;
    transition: all 0.3s ease;
    box-shadow: 0 4px 6px rgba(37, 99, 235, 0.1);
}

.cta-button:hover {
    background: #1d4ed8;
    transform: translateY(-2px);
    box-shadow: 0 6px 12px rgba(37, 99, 235, 0.2);
}

/* About Section */
.about {
    padding: calc(var(--spacing-unit) * 6) 0;
    background: var(--bg-white);
}

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    text-align: center;
    margin-bottom: calc(var(--spacing-unit) * 3);
    letter-spacing: -0.5px;
    color: var(--primary-color);
}

.about-intro {
    max-width: 900px;
    margin: 0 auto calc(var(--spacing-unit) * 4) auto;
    text-align: center;
}

.about-intro .lead {
    font-size: 1.25rem;
    color: var(--text-dark);
    margin-bottom: calc(var(--spacing-unit) * 1.5);
    font-weight: 500;
    line-height: 1.6;
}

.about-intro p {
    color: var(--text-light);
    line-height: 1.8;
}


.about-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: calc(var(--spacing-unit) * 4);
    align-items: start;
}

.lead {
    font-size: 1.25rem;
    color: var(--text-dark);
    margin-bottom: calc(var(--spacing-unit) * 1.5);
    font-weight: 500;
    line-height: 1.6;
}

.about-text p {
    color: var(--text-light);
    margin-bottom: calc(var(--spacing-unit) * 1.5);
    line-height: 1.8;
}

.about-text h3 {
    font-size: 1.5rem;
    margin-top: calc(var(--spacing-unit) * 2);
    margin-bottom: calc(var(--spacing-unit) * 1.5);
    color: var(--primary-color);
}

.criteria-list {
    list-style: none;
    padding: 0;
}

.criteria-list li {
    position: relative;
    padding-left: calc(var(--spacing-unit) * 2);
    margin-bottom: calc(var(--spacing-unit) * 0.75);
    color: var(--text-light);
    line-height: 1.8;
}

.criteria-list li:before {
    content: "→";
    position: absolute;
    left: 0;
    color: var(--secondary-color);
    font-weight: 600;
}

.about-highlights {
    display: flex;
    flex-direction: column;
    gap: calc(var(--spacing-unit) * 1.5);
}

.highlight-card {
    padding: calc(var(--spacing-unit) * 2);
    background: var(--bg-light);
    border-radius: 12px;
    border: 1px solid var(--border-color);
}

.highlight-card h4 {
    font-size: 1.125rem;
    margin-bottom: calc(var(--spacing-unit) * 0.75);
    color: var(--primary-color);
}

.highlight-card p {
    color: var(--text-light);
    line-height: 1.6;
    font-size: 0.95rem;
}

/* Contact Section */
.contact {
    padding: calc(var(--spacing-unit) * 6) 0;
    background: var(--bg-light);
}

.contact-intro {
    text-align: center;
    color: var(--text-light);
    margin-bottom: calc(var(--spacing-unit) * 3);
    font-size: 1.125rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: calc(var(--spacing-unit) * 4);
    max-width: 1000px;
    margin: 0 auto;
}

.contact-info h3 {
    font-size: 1.5rem;
    margin-bottom: calc(var(--spacing-unit) * 1);
    color: var(--primary-color);
}

.contact-info p {
    color: var(--text-light);
    margin-bottom: calc(var(--spacing-unit) * 2);
    line-height: 1.8;
}

.contact-item {
    margin-bottom: calc(var(--spacing-unit) * 1.5);
    color: var(--text-dark);
}

.contact-item strong {
    display: block;
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-light);
    margin-bottom: 0.5rem;
}

.contact-item a {
    color: var(--secondary-color);
    text-decoration: none;
    font-size: 1.125rem;
}

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

/* Contact Form */
.contact-form {
    background: var(--bg-white);
    padding: calc(var(--spacing-unit) * 2.5);
    border-radius: 12px;
    border: 1px solid var(--border-color);
}

.form-group {
    margin-bottom: calc(var(--spacing-unit) * 1.5);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: calc(var(--spacing-unit) * 0.875);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 1rem;
    font-family: inherit;
    transition: all 0.3s ease;
    background: var(--bg-white);
}

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

.form-group textarea {
    resize: vertical;
}

.submit-button {
    width: 100%;
    padding: calc(var(--spacing-unit) * 0.875);
    background: var(--secondary-color);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
}

.submit-button:hover {
    background: #1d4ed8;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.2);
}

/* Footer */
.footer {
    padding: calc(var(--spacing-unit) * 3) 0;
    background: var(--primary-color);
    color: white;
}

.footer-content {
    text-align: center;
}

.footer-content p {
    margin-bottom: 0.5rem;
    color: rgba(255, 255, 255, 0.9);
}

.footer-tagline {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.6);
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-menu {
        gap: calc(var(--spacing-unit) * 1.5);
    }

    .hero {
        padding-top: calc(var(--spacing-unit) * 7);
        padding-bottom: calc(var(--spacing-unit) * 3);
    }

    .hero-stats {
        grid-template-columns: 1fr;
        gap: calc(var(--spacing-unit) * 1);
    }


    .about-grid {
        grid-template-columns: 1fr;
        gap: calc(var(--spacing-unit) * 3);
    }

    .contact-grid {
        grid-template-columns: 1fr;
        gap: calc(var(--spacing-unit) * 3);
    }

    .contact-form {
        padding: calc(var(--spacing-unit) * 2);
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 calc(var(--spacing-unit) * 1);
    }

    .logo {
        font-size: 1.1rem;
    }

    .nav-menu {
        font-size: 0.875rem;
        gap: calc(var(--spacing-unit) * 1);
    }

    .hero-title {
        font-size: 1.75rem;
    }

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

/* Loading and Success States */
.form-success {
    padding: calc(var(--spacing-unit) * 1.5);
    background: #10b981;
    color: white;
    border-radius: 8px;
    text-align: center;
    font-weight: 500;
}

.form-error {
    padding: calc(var(--spacing-unit) * 1.5);
    background: #ef4444;
    color: white;
    border-radius: 8px;
    text-align: center;
    font-weight: 500;
}