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

:root {
    --color-primary: #FF3621;
    --color-primary-dark: #E62A1A;
    --color-secondary: #1B1B1B;
    --color-bg: #FFFFFF;
    --color-bg-light: #F9F7F4;
    --color-text: #1B1B1B;
    --color-text-light: #666666;
    --color-border: #E5E5E5;
    --font-primary: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
    --transition: all 0.3s ease;
}

body {
    font-family: var(--font-primary);
    color: var(--color-text);
    background-color: var(--color-bg);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

a {
    color: inherit;
    text-decoration: none;
    transition: var(--transition);
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-border);
    z-index: 1000;
    padding: 16px 0;
}

.nav-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 20px;
    font-weight: 700;
    color: var(--color-text);
    letter-spacing: -0.5px;
}

.logo-text {
    background: linear-gradient(135deg, var(--color-primary), #FF6B4A);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-links {
    display: flex;
    gap: 32px;
    align-items: center;
    flex: 1;
    margin-left: 60px;
}

.nav-links a {
    font-size: 15px;
    font-weight: 500;
    color: var(--color-text);
    position: relative;
}

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

.nav-actions {
    display: flex;
    gap: 16px;
    align-items: center;
}

.nav-link {
    font-size: 15px;
    font-weight: 500;
    color: var(--color-text);
}

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

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 24px;
    border-radius: 6px;
    font-size: 15px;
    font-weight: 600;
    text-align: center;
    transition: var(--transition);
    border: none;
    cursor: pointer;
}

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

.btn-primary:hover {
    background: var(--color-primary-dark);
    transform: translateY(-2px);
}

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

.btn-secondary:hover {
    background: #2B2B2B;
    transform: translateY(-2px);
}

/* Hero Section */
.hero {
    padding: 160px 0 100px;
    background: linear-gradient(180deg, #FFFFFF 0%, #F9F7F4 100%);
    margin-top: 60px;
}

.hero-content {
    max-width: 900px;
}

.hero-title {
    font-size: 64px;
    font-weight: 700;
    line-height: 1.1;
    color: var(--color-text);
    margin-bottom: 24px;
    letter-spacing: -2px;
}

.hero-subtitle {
    font-size: 20px;
    line-height: 1.6;
    color: var(--color-text-light);
    margin-bottom: 40px;
    max-width: 700px;
}

.hero-buttons {
    display: flex;
    gap: 16px;
}

.hero-buttons .btn {
    padding: 14px 32px;
    font-size: 16px;
}

/* Section Styles */
section {
    padding: 100px 0;
}

.section-title {
    font-size: 48px;
    font-weight: 700;
    text-align: center;
    margin-bottom: 20px;
    color: var(--color-text);
    letter-spacing: -1px;
}

.section-subtitle {
    font-size: 18px;
    text-align: center;
    color: var(--color-text-light);
    margin-bottom: 60px;
}

/* Platform Section */
.platform {
    background: var(--color-bg);
}

.platform-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 40px;
    margin-top: 60px;
}

.feature-card {
    padding: 40px;
    background: var(--color-bg-light);
    border-radius: 12px;
    transition: var(--transition);
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 16px 32px rgba(0, 0, 0, 0.08);
}

.feature-title {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--color-text);
}

.feature-description {
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-text-light);
    margin-bottom: 24px;
}

.feature-list {
    list-style: none;
}

.feature-list li {
    font-size: 15px;
    color: var(--color-text-light);
    padding: 8px 0;
    padding-left: 24px;
    position: relative;
}

.feature-list li:before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--color-primary);
    font-weight: 700;
}

/* Use Cases Section */
.use-cases {
    background: var(--color-bg-light);
}

.use-cases-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: 32px;
    margin-top: 60px;
}

.use-case-item {
    background: white;
    padding: 32px;
    border-radius: 12px;
    border: 1px solid var(--color-border);
    transition: var(--transition);
}

.use-case-item:hover {
    border-color: var(--color-primary);
    box-shadow: 0 12px 24px rgba(255, 54, 33, 0.1);
}

.use-case-header {
    margin-bottom: 20px;
    padding-bottom: 16px;
    border-bottom: 2px solid var(--color-border);
}

.use-case-title {
    font-size: 20px;
    font-weight: 700;
    color: var(--color-text);
}

.use-case-description {
    font-size: 15px;
    line-height: 1.6;
    color: var(--color-text-light);
    margin-bottom: 20px;
}

.use-case-features {
    list-style: none;
}

.use-case-features li {
    font-size: 14px;
    color: var(--color-text-light);
    padding: 8px 0;
    padding-left: 24px;
    position: relative;
}

.use-case-features li:before {
    content: "•";
    position: absolute;
    left: 8px;
    color: var(--color-primary);
    font-weight: 700;
}

/* Why Section */
.why-section {
    background: white;
}

.why-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 32px;
    margin-top: 60px;
}

.why-card {
    text-align: center;
    padding: 40px 24px;
    border-radius: 12px;
    background: var(--color-bg-light);
    transition: var(--transition);
}

.why-card:hover {
    transform: translateY(-8px);
    background: white;
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.08);
}

.why-icon {
    font-size: 48px;
    margin-bottom: 16px;
}

.why-card h3 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--color-text);
}

.why-card p {
    font-size: 15px;
    line-height: 1.6;
    color: var(--color-text-light);
}

/* Resources Section */
.resources {
    background: var(--color-bg-light);
}

.resources-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 32px;
    margin-top: 60px;
}

.resource-card {
    background: white;
    padding: 32px;
    border-radius: 12px;
    border: 1px solid var(--color-border);
    transition: var(--transition);
}

.resource-card:hover {
    border-color: var(--color-primary);
    box-shadow: 0 12px 24px rgba(255, 54, 33, 0.1);
}

.resource-type {
    display: inline-block;
    padding: 6px 12px;
    background: var(--color-primary);
    color: white;
    border-radius: 4px;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    margin-bottom: 16px;
}

.resource-card h3 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--color-text);
}

.resource-card p {
    font-size: 15px;
    line-height: 1.6;
    color: var(--color-text-light);
    margin-bottom: 20px;
}

.resource-link {
    display: inline-block;
    color: var(--color-primary);
    font-weight: 600;
    font-size: 15px;
}

.resource-link:hover {
    color: var(--color-primary-dark);
}

/* CTA Section */
.cta-section {
    background: linear-gradient(135deg, var(--color-primary), #FF6B4A);
    color: white;
    padding: 100px 0;
    text-align: center;
}

.cta-section h2 {
    font-size: 48px;
    font-weight: 700;
    margin-bottom: 16px;
    letter-spacing: -1px;
}

.cta-section p {
    font-size: 18px;
    margin-bottom: 40px;
    opacity: 0.95;
}

.cta-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
}

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

.cta-section .btn-primary:hover {
    background: #F0F0F0;
}

.cta-section .btn-secondary {
    background: rgba(255, 255, 255, 0.2);
    color: white;
    border: 2px solid white;
}

.cta-section .btn-secondary:hover {
    background: rgba(255, 255, 255, 0.3);
}

/* Footer */
.footer {
    background: var(--color-text);
    color: white;
    padding: 60px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-section h4 {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 20px;
}

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

.footer-section ul li {
    margin-bottom: 12px;
}

.footer-section a {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.7);
}

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

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 20px;
    text-align: center;
    font-size: 14px;
    color: rgba(255, 255, 255, 0.7);
}

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

    .nav-actions {
        gap: 8px;
    }

    .nav-actions .btn {
        padding: 10px 16px;
        font-size: 14px;
    }

    .hero {
        padding: 120px 0 60px;
        margin-top: 60px;
    }

    .hero-title {
        font-size: 42px;
    }

    .hero-subtitle {
        font-size: 18px;
    }

    .hero-buttons {
        flex-direction: column;
    }

    .hero-buttons .btn {
        width: 100%;
    }

    .section-title {
        font-size: 36px;
    }

    section {
        padding: 60px 0;
    }

    .platform-features {
        grid-template-columns: 1fr;
        gap: 24px;
    }

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

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

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

    .cta-section h2 {
        font-size: 36px;
    }

    .cta-buttons {
        flex-direction: column;
    }

    .cta-buttons .btn {
        width: 100%;
    }

    .footer-content {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 32px;
    }

    .section-title {
        font-size: 28px;
    }

    .feature-card,
    .use-case-item,
    .resource-card {
        padding: 24px;
    }

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

/* Smooth Scrolling */
html {
    scroll-behavior: smooth;
}

/* Selection */
::selection {
    background: var(--color-primary);
    color: white;
}

::-moz-selection {
    background: var(--color-primary);
    color: white;
}