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

:root {
    --primary-glow: #4F46E5;    /* Deep Indigo */
    --secondary-glow: #10B981;  /* Electric Green */
    --bg-primary: #F9FAFB;
    --text-primary: #1F2937;
    --text-secondary: #6B7280;
    --glass-bg: rgba(255, 255, 255, 0.6);
    --glass-border: rgba(0, 0, 0, 0.07);
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    overflow-x: hidden;
    position: relative;
    font-weight: 400;
    letter-spacing: -0.02em;
}

/* Background Effects - Dot Gradients */
.gradient-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 15% 25%, rgba(79, 70, 229, 0.08), transparent 40%), /* Indigo */
        radial-gradient(circle at 85% 75%, rgba(16, 185, 129, 0.08), transparent 40%); /* Green */
    z-index: 0;
    pointer-events: none;
}

/* Navigation */
.glass-nav {
    position: fixed;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 1000;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 50px;
    padding: 0.75rem 2rem;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 3rem;
}

.logo-link {
    text-decoration: none;
    display: flex;
    align-items: center;
    transition: all 0.3s ease;
}

.logo-link:hover {
    transform: scale(1.05);
}

.logo-text {
    font-size: 1.25rem;
    font-weight: 700;
    background: linear-gradient(45deg, var(--primary-glow), var(--secondary-glow));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.03em;
}

.nav-links {
    display: flex;
    gap: 1rem;
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    transition: all 0.3s ease;
    position: relative;
    letter-spacing: -0.01em;
    padding: 0.5rem 1rem;
    border-radius: 20px;
}

.nav-link:hover {
    color: var(--text-primary);
    background: rgba(0, 0, 0, 0.04);
}

/* Hero Section */
.hero {
    min-height: 80vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    position: relative;
    z-index: 10;
    padding-top: 120px;
}

.hero-container {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 2rem;
}

.hero-title {
    font-size: 4.2rem;
    font-weight: 800;
    line-height: 1.15;
    margin-bottom: 1.5rem;
    letter-spacing: -0.04em;
}

.highlight {
    background: linear-gradient(45deg, var(--primary-glow), var(--secondary-glow));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    position: relative;
}

.hero-subtitle {
    font-size: 1.35rem;
    color: var(--text-secondary);
    margin: 0 auto;
    margin-bottom: 2.5rem;
    line-height: 1.5;
    font-weight: 400;
    letter-spacing: -0.02em;
    max-width: 600px;
}

.hero-cta {
    display: flex;
    gap: 1rem;
    justify-content: center;
}

.cta-button {
    padding: 1rem 2rem;
    border: none;
    border-radius: 50px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    letter-spacing: -0.01em;
}

.cta-button.primary {
    background: linear-gradient(45deg, var(--primary-glow), var(--secondary-glow));
    color: white;
    box-shadow: 0 10px 30px rgba(79, 70, 229, 0.2);
}

.cta-button.primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 15px 40px rgba(79, 70, 229, 0.3);
}

.cta-button.secondary {
    background: #E5E7EB;
    color: var(--text-primary);
}

.cta-button.secondary:hover {
    background: #D1D5DB;
}

.cta-button.submit-button {
    background: var(--text-primary);
    color: var(--bg-primary);
    box-shadow: none;
}

.cta-button.submit-button:hover {
    background: #000;
    transform: translateY(0); /* Override hover effect if not desired */
    box-shadow: none;
}

/* Sections */
.features, .about, .contact {
    padding: 6rem 0;
    position: relative;
    z-index: 10;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.section-title {
    font-size: 3.5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 2.5rem;
    letter-spacing: -0.03em;
}

/* Features Section */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.feature-card {
    background: #FFFFFF;
    border: 1px solid #E5E7EB;
    border-radius: 20px;
    padding: 2rem;
    text-align: center;
    transition: all 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.05);
}

.feature-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto 1.5rem;
    background: linear-gradient(45deg, var(--primary-glow), var(--secondary-glow));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.feature-card h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
    letter-spacing: -0.02em;
}

.feature-card p {
    color: var(--text-secondary);
    line-height: 1.6;
    font-weight: 400;
    letter-spacing: -0.01em;
}

/* About Section */
.about-content {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.about-text {
    font-size: 1.35rem;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 3rem;
    font-weight: 400;
    letter-spacing: -0.02em;
}

.stats {
    display: flex;
    justify-content: center;
    gap: 4rem;
    margin-top: 3rem;
}

.stat-number {
    display: block;
    font-size: 3.5rem;
    font-weight: 800;
    background: linear-gradient(45deg, var(--primary-glow), var(--secondary-glow));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.04em;
}

.stat-label {
    color: var(--text-secondary);
    font-size: 1rem;
    font-weight: 500;
    letter-spacing: -0.01em;
}

/* Contact Section */
.contact-container {
    max-width: 600px;
    margin: 0 auto;
    padding: 0 2rem;
    text-align: center;
}

.contact-container p {
    margin-bottom: 2rem;
}

.contact-form {
    display: flex;
    gap: 1rem;
    max-width: 500px;
    margin: 0 auto;
}

.contact-form form {
    display: flex;
    gap: 1rem;
    width: 100%;
}

.email-input {
    flex: 1;
    padding: 1rem 1.5rem;
    border: 1px solid #D1D5DB;
    border-radius: 50px;
    background: #FFFFFF;
    color: var(--text-primary);
    font-size: 1rem;
    transition: all 0.3s ease;
}

.email-input:focus {
    outline: none;
    border-color: var(--primary-glow);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
}

/* Footer */
.footer {
    padding: 3rem 0;
    border-top: 1px solid #E5E7EB;
}

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

.copyright {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.footer-logo .logo-text {
    font-size: 1.5rem;
    font-weight: 700;
    background: linear-gradient(45deg, var(--primary-glow), var(--secondary-glow));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.03em;
}

.footer-links {
    display: flex;
    gap: 1.5rem;
}

.footer-link {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.3s ease;
    font-weight: 400;
    letter-spacing: -0.01em;
}

.footer-link:hover {
    color: var(--text-primary);
}

/* Modal Styles */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 10000;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0s 0.3s;
}

.modal.active {
    opacity: 1;
    visibility: visible;
    transition: opacity 0.3s ease;
}

.modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(249, 250, 251, 0.5); /* Light overlay */
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}

.modal-content {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0.95);
    background: #FFFFFF;
    border-radius: 20px;
    max-width: 600px;
    width: 90%;
    max-height: 80vh;
    overflow-y: auto;
    transition: transform 0.3s ease;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.1);
    border: none;
}

.modal.active .modal-content {
    transform: translate(-50%, -50%) scale(1);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 2rem;
    border-bottom: 1px solid #E5E7EB;
}

.modal-header h2 {
    font-size: 1.5rem;
    font-weight: 600;
    margin: 0;
}

.modal-close {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 1.5rem;
    cursor: pointer;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: all 0.2s ease;
}

.modal-close:hover {
    color: var(--text-primary);
    background: rgba(0, 0, 0, 0.05);
}

.modal-body {
    padding: 1.5rem 2rem 2rem;
}

.modal-body p {
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.modal-body h3 {
    font-size: 1.2rem;
    font-weight: 600;
    margin: 1.5rem 0 0.5rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero { min-height: 70vh; padding-top: 100px; }
    .hero-title { font-size: 2.8rem; }
    .hero-subtitle { font-size: 1.1rem; }
    .hero-cta { flex-direction: column; align-items: center; }
    .features, .about, .contact { padding: 4rem 0; }
    .section-title { font-size: 2.5rem; }
    .nav-links .nav-link[href="#about"] { display: none; }
    .stats { flex-direction: column; gap: 2rem; }
    .contact-form form {
        flex-direction: column;
    }
}