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

:root {
    --primary-color: #1A3A52;
    --accent-color: #00D9C0;
    --text-color: #2D3748;
    --bg-color: #FFFFFF;
    --bg-light: #F7FAFC;
    --border-color: #E2E8F0;
}

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

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

/* Typography */
h1, h2, h3, h4 {
    font-weight: 700;
    line-height: 1.2;
}

h1 {
    font-family: 'Poppins', sans-serif;
    font-size: 3rem;
}

h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

h3 {
    font-size: 1.5rem;
    margin-bottom: 0.75rem;
}

h4 {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
}

p {
    margin-bottom: 1rem;
}

ul {
    list-style: none;
}

li {
    margin-bottom: 0.5rem;
    padding-left: 1.5rem;
    position: relative;
}

li::before {
    content: "•";
    position: absolute;
    left: 0;
    color: var(--accent-color);
    font-weight: bold;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 24px;
    border-radius: 6px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    font-size: 1rem;
}

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

.btn-primary:hover {
    background-color: #0f2538;
    transform: translateY(-2px);
}

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

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

/* Hero Section */
.hero {
    padding: 100px 0;
    background: linear-gradient(135deg, var(--bg-light) 0%, var(--bg-color) 100%);
    text-align: center;
}

.hero-headline {
    margin-bottom: 1.5rem;
    color: var(--primary-color);
}

.hero-subheadline {
    font-size: 1.25rem;
    max-width: 800px;
    margin: 0 auto 2rem;
    color: var(--text-color);
}

.hero-cta {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.hero-visual {
    margin-top: 3rem;
}

.hero-dashboard-image {
    width: 100%;
    max-width: 1200px;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
    display: block;
    margin: 0 auto;
}

/* Problem Section */
.problem {
    padding: 80px 0;
    background-color: var(--bg-color);
}

.section-headline {
    text-align: center;
    margin-bottom: 3rem;
    color: var(--primary-color);
}

.problem-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.problem-block {
    padding: 2rem;
    background: var(--bg-light);
    border-radius: 8px;
    border-left: 4px solid var(--accent-color);
}

.problem-block h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

/* Solution Section */
.solution {
    padding: 80px 0;
    background-color: var(--bg-light);
}

.section-subheadline {
    text-align: center;
    font-size: 1.125rem;
    max-width: 800px;
    margin: 0 auto 3rem;
    color: var(--text-color);
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    margin-top: 3rem;
}

.feature-card {
    padding: 2rem;
    background: var(--bg-color);
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
}

.feature-card h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

/* How It Works Section */
.how-it-works {
    padding: 80px 0;
    background-color: var(--bg-color);
}

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

.timeline-step {
    padding: 2rem;
    background: var(--bg-light);
    border-radius: 8px;
    position: relative;
}

.step-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 50px;
    height: 50px;
    background: var(--accent-color);
    color: var(--primary-color);
    border-radius: 50%;
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.timeline-step h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

/* Technology Section */
.technology {
    padding: 80px 0;
    background-color: var(--bg-light);
}

.tech-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.tech-feature {
    padding: 2rem;
    background: var(--bg-color);
    border-radius: 8px;
    border-top: 4px solid var(--accent-color);
}

.tech-feature h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

/* CTA Section */
.cta {
    padding: 80px 0;
    background-color: var(--primary-color);
    color: white;
}

.cta .section-headline,
.cta .section-subheadline {
    color: white;
}

.cta-form {
    max-width: 600px;
    margin: 3rem auto 0;
    background: var(--bg-color);
    padding: 2rem;
    border-radius: 8px;
}

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

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

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-family: inherit;
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

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

.form-group textarea {
    resize: vertical;
}

/* Form Messages */
.form-message {
    max-width: 600px;
    margin: 0 auto 1.5rem;
    padding: 1rem 1.5rem;
    border-radius: 6px;
    font-weight: 500;
    animation: slideDown 0.3s ease;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.form-message-success {
    background-color: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.form-message-error {
    background-color: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

/* Button Loading State */
.btn:disabled {
    opacity: 0.7;
    cursor: not-allowed;
}

.button-spinner {
    display: inline-block;
    animation: pulse 1.5s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.5;
    }
}

/* Footer */
.footer {
    padding: 40px 0;
    background-color: var(--primary-color);
    color: white;
}

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

.footer-links {
    display: flex;
    gap: 2rem;
    flex-wrap: wrap;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: var(--accent-color);
}

.footer-copyright p {
    color: rgba(255, 255, 255, 0.6);
    margin: 0;
}

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

    h2 {
        font-size: 1.75rem;
    }

    .hero {
        padding: 60px 0;
    }

    .hero-cta {
        flex-direction: column;
        align-items: center;
    }

    .hero-cta .btn {
        width: 100%;
        max-width: 300px;
    }

    .problem-grid,
    .feature-grid,
    .timeline,
    .tech-grid {
        grid-template-columns: 1fr;
    }

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

    .cta-form {
        padding: 1.5rem;
    }

    .footer-content {
        flex-direction: column;
        text-align: center;
    }

    .footer-links {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }

    h1 {
        font-size: 1.75rem;
    }

    h2 {
        font-size: 1.5rem;
    }

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