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

:root {
    --primary-gradient: linear-gradient(135deg, #1e40af 0%, #3b82f6 100%);
    --secondary-gradient: linear-gradient(135deg, #2563eb 0%, #60a5fa 100%);
    --tertiary-gradient: linear-gradient(135deg, #1d4ed8 0%, #93c5fd 100%);
    --success-gradient: linear-gradient(135deg, #43e97b 0%, #38f9d7 100%);
    --warning-gradient: linear-gradient(135deg, #fa709a 0%, #fee140 100%);

    --primary-color: #2563eb;
    --secondary-color: #1e40af;
    --text-dark: #1a202c;
    --text-medium: #4a5568;
    --text-light: #718096;
    --bg-white: #ffffff;
    --bg-light: #f7fafc;
    --bg-lighter: #edf2f7;
    --border-color: #e2e8f0;

    --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);

    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', sans-serif;
    color: var(--text-dark);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

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

.nav-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-dark);
    text-decoration: none;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-links a {
    color: var(--text-medium);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
    font-size: 0.9375rem;
}

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

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.mobile-menu-btn span {
    width: 24px;
    height: 2px;
    background: var(--text-dark);
    transition: var(--transition);
}

/* Buttons */
.btn-primary, .btn-secondary, .btn-hero-primary, .btn-hero-secondary,
.btn-cta-primary, .btn-cta-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border-radius: 0.5rem;
    font-weight: 600;
    font-size: 0.9375rem;
    text-decoration: none;
    transition: var(--transition);
    border: none;
    cursor: pointer;
    white-space: nowrap;
}

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

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

.btn-secondary {
    background: white;
    color: var(--primary-color);
    border: 1px solid var(--border-color);
}

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

.btn-hero-primary {
    background: var(--primary-gradient);
    color: white;
    padding: 1rem 2rem;
    font-size: 1.0625rem;
    box-shadow: var(--shadow-lg);
}

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

.btn-hero-secondary {
    background: white;
    color: var(--primary-color);
    padding: 1rem 2rem;
    font-size: 1.0625rem;
    border: 2px solid var(--primary-color);
}

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

/* Hero Section */
.hero {
    padding: 140px 0 80px;
    background: linear-gradient(180deg, #f7fafc 0%, #ffffff 100%);
    overflow: hidden;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    padding: 0.5rem 1rem;
    background: linear-gradient(135deg, rgba(30, 64, 175, 0.1) 0%, rgba(59, 130, 246, 0.1) 100%);
    border: 1px solid rgba(37, 99, 235, 0.2);
    border-radius: 2rem;
    color: var(--primary-color);
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
}

.hero-title {
    font-size: 4rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    letter-spacing: -0.02em;
}

.gradient-text {
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-medium);
    margin-bottom: 1rem;
    line-height: 1.7;
}

.hero-use-cases {
    font-size: 1.0625rem;
    color: var(--text-dark);
    font-weight: 600;
    margin-bottom: 0.75rem;
    letter-spacing: 0.01em;
}

.hero-value-line {
    font-size: 1rem;
    color: var(--text-light);
    font-weight: 500;
    margin-bottom: 2.5rem;
    letter-spacing: 0.01em;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin-bottom: 2rem;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 4rem;
    padding-top: 3rem;
    border-top: 1px solid var(--border-color);
}

.stat {
    text-align: center;
}

.stat-number {
    font-size: 2rem;
    font-weight: 700;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    font-size: 0.875rem;
    color: var(--text-light);
    margin-top: 0.25rem;
}

/* Pain Points Section */
.pain-points {
    padding: 100px 0 80px;
    background: white;
}

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

.pain-point-card {
    padding: 2rem;
    border-radius: 1rem;
    background: #fff5f5;
    border: 1px solid #fed7d7;
    text-align: center;
}

.pain-point-icon {
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #fff;
    border-radius: 1rem;
    margin: 0 auto 1.5rem;
    border: 1px solid #fed7d7;
}

.pain-point-card h3 {
    font-size: 1.125rem;
    font-weight: 700;
    color: #c53030;
    margin-bottom: 0.75rem;
}

.pain-point-card p {
    color: var(--text-medium);
    line-height: 1.7;
    font-size: 0.9375rem;
}

/* Why OrdiExpo Section */
.why-ordiexpo {
    padding: 120px 0;
    background: linear-gradient(180deg, #f7fafc 0%, #ffffff 100%);
}

.benefit-list {
    max-width: 720px;
    margin: 3rem auto 0;
}

.benefit-item {
    display: flex;
    gap: 1.25rem;
    padding: 1.25rem 0;
    border-bottom: 1px solid var(--border-color);
}

.benefit-item:last-child {
    border-bottom: none;
}

.benefit-check {
    flex-shrink: 0;
    margin-top: 0.125rem;
}

.benefit-content strong {
    display: block;
    font-size: 1.0625rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 0.375rem;
}

.benefit-content p {
    color: var(--text-medium);
    line-height: 1.7;
    font-size: 0.9375rem;
    margin: 0;
}

/* Features Section */
.features {
    padding: 120px 0;
    background: white;
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 4rem;
}

.section-header h2 {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 1rem;
    letter-spacing: -0.02em;
}

.section-header p {
    font-size: 1.125rem;
    color: var(--text-medium);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: 2rem;
}

.feature-card {
    padding: 2rem;
    border-radius: 1rem;
    border: 1px solid var(--border-color);
    transition: var(--transition);
    background: white;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: transparent;
}

.feature-icon {
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-light);
    border-radius: 1rem;
    margin-bottom: 1.5rem;
}

.feature-card h3 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
    color: var(--text-dark);
}

.feature-card p {
    color: var(--text-medium);
    line-height: 1.7;
}

.feature-card.featured {
    position: relative;
    border-color: var(--primary-color);
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.03) 0%, rgba(59, 130, 246, 0.06) 100%);
}

.feature-badge {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: var(--primary-gradient);
    color: white;
    font-size: 0.6875rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 0.25rem 0.625rem;
    border-radius: 2rem;
}

/* How It Works Section */
.how-it-works {
    padding: 120px 0;
    background: linear-gradient(180deg, #f7fafc 0%, #ffffff 100%);
}

.steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 3rem;
    margin-top: 4rem;
}

.step {
    display: flex;
    gap: 1.5rem;
}

.step-number {
    width: 48px;
    height: 48px;
    flex-shrink: 0;
    background: var(--primary-gradient);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    font-weight: 700;
    box-shadow: var(--shadow-md);
}

.step-content h3 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
    color: var(--text-dark);
}

.step-content p {
    color: var(--text-medium);
    line-height: 1.7;
}

/* FAQ Section */
.faq {
    padding: 120px 0;
    background: white;
}

.faq-list {
    max-width: 780px;
    margin: 0 auto;
}

.faq-item {
    border-bottom: 1px solid var(--border-color);
}

.faq-item summary {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.5rem 0;
    font-size: 1.0625rem;
    font-weight: 600;
    color: var(--text-dark);
    cursor: pointer;
    list-style: none;
    transition: var(--transition);
}

.faq-item summary::-webkit-details-marker {
    display: none;
}

.faq-item summary::after {
    content: "+";
    font-size: 1.5rem;
    font-weight: 300;
    color: var(--text-light);
    flex-shrink: 0;
    margin-left: 1rem;
    transition: var(--transition);
}

.faq-item[open] summary::after {
    content: "\2212";
    color: var(--primary-color);
}

.faq-item summary:hover {
    color: var(--primary-color);
}

.faq-answer {
    padding: 0 0 1.5rem;
}

.faq-answer p {
    color: var(--text-medium);
    line-height: 1.8;
    font-size: 0.9375rem;
}

/* CTA Section */
.cta {
    padding: 120px 0;
    background: linear-gradient(135deg, #1e40af 0%, #3b82f6 100%);
    color: white;
}

.cta-content {
    text-align: center;
    max-width: 700px;
    margin: 0 auto;
}

.cta-content h2 {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 1rem;
    letter-spacing: -0.02em;
}

.cta-content p {
    font-size: 1.125rem;
    opacity: 0.9;
    margin-bottom: 2.5rem;
}

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

.btn-cta-primary {
    background: white;
    color: var(--primary-color);
    padding: 1rem 2rem;
    font-size: 1.0625rem;
    box-shadow: var(--shadow-lg);
}

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

.btn-cta-secondary {
    background: rgba(255, 255, 255, 0.15);
    color: white;
    padding: 1rem 2rem;
    font-size: 1.0625rem;
    border: 2px solid white;
}

.btn-cta-secondary:hover {
    background: rgba(255, 255, 255, 0.25);
}

/* Footer */
.footer {
    padding: 80px 0 40px;
    background: var(--text-dark);
    color: white;
}

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

.footer-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 0.25rem;
}

.footer-byline {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.5);
    margin-bottom: 1rem;
}

.footer-description {
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.7;
    max-width: 300px;
}

.footer-section h4 {
    font-size: 0.9375rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    color: white;
}

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

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

.footer-section a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: var(--transition);
    font-size: 0.9375rem;
}

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

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.875rem;
}

/* Legal Pages */
.legal-page {
    max-width: 900px;
    margin: 0 auto;
    padding: 120px 20px 80px;
}

.legal-header h1 {
    font-size: 48px;
    font-weight: 800;
    background: linear-gradient(135deg, #1d4ed8 0%, #2563eb 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.5rem;
}

.legal-header .last-updated {
    color: var(--text-light);
    font-size: 0.9375rem;
    margin-bottom: 2rem;
}

.legal-content h2 {
    font-size: 28px;
    font-weight: 700;
    color: #1d4ed8;
    margin-top: 3rem;
    margin-bottom: 1rem;
}

.legal-content h3 {
    font-size: 20px;
    font-weight: 600;
    color: #2563eb;
    margin-top: 2rem;
    margin-bottom: 0.75rem;
}

.legal-content p {
    color: var(--text-medium);
    line-height: 1.8;
    margin-bottom: 1rem;
}

.legal-content ul, .legal-content ol {
    color: var(--text-medium);
    line-height: 1.8;
    margin-bottom: 1rem;
    padding-left: 1.5rem;
}

.legal-content li {
    margin-bottom: 0.5rem;
}

.legal-content a {
    color: var(--primary-color);
    text-decoration: none;
}

.legal-content a:hover {
    text-decoration: underline;
}

.highlight-box {
    background: #eff6ff;
    border-left: 4px solid #1d4ed8;
    padding: 20px;
    border-radius: 8px;
    margin: 1.5rem 0;
}

.highlight-box p {
    margin-bottom: 0;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .hero-title {
        font-size: 3rem;
    }

    .section-header h2 {
        font-size: 2rem;
    }

    .pain-points-grid {
        grid-template-columns: 1fr 1fr;
    }

    .pain-points-grid .pain-point-card:last-child {
        grid-column: 1 / -1;
        max-width: 400px;
        margin: 0 auto;
    }

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

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

    .nav-links.active {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 72px;
        left: 0;
        right: 0;
        background: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(10px);
        padding: 1rem 1.5rem;
        border-bottom: 1px solid var(--border-color);
        gap: 1rem;
    }

    .mobile-menu-btn {
        display: flex;
    }

    .pain-points-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .pain-points {
        padding: 60px 0;
    }

    .hero {
        padding: 100px 0 60px;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .hero-subtitle {
        font-size: 1.125rem;
    }

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

    .hero-stats {
        gap: 2rem;
    }

    .features, .how-it-works, .why-ordiexpo {
        padding: 80px 0;
    }

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

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

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

    .footer-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 1.5rem;
        text-align: center;
    }

    .legal-header h1 {
        font-size: 32px;
    }

    .legal-content h2 {
        font-size: 22px;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }

    .stat-number {
        font-size: 1.5rem;
    }

    .stat-label {
        font-size: 0.75rem;
    }

    .pain-point-card {
        padding: 1.25rem;
    }
}