@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');

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

body {
    font-family: 'Inter', sans-serif;
    background-color: #f9fafb;
}

/* Navigation */
.navbar {
    position: fixed;
    width: 100%;
    z-index: 50;
    background: white;
    transition: all 0.3s;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}

.nav-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.nav-logo {
    display: flex;
    align-items: center;
    text-decoration: none;
    color: #111827;
}

.nav-logo img {
    height: 48px;
    margin-right: 12px;
}

.nav-logo span {
    color: #dc2626;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 30px;
}

.nav-menu a {
    color: #4b5563;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s;
}

.nav-menu a:hover {
    color: #6366f1;
}

.btn-download {
    background: #000000;
    color: white;
    padding: 8px 20px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s;
    font-size: 14px;
    border: 1px solid #000000;
}

.btn-download:hover {
    background: #2d2d2d;
    transform: translateY(-2px);
}

.download-buttons {
    display: flex;
    gap: 12px;
    align-items: center;
}

/* Mobile Menu */
.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    font-size: 24px;
    color: #111827;
    cursor: pointer;
}

.mobile-menu {
    display: none;
    position: fixed;
    top: 70px;
    left: 0;
    right: 0;
    background: white;
    padding: 20px;
    box-shadow: 0 10px 20px rgba(0,0,0,0.1);
}

.mobile-menu.active {
    display: block;
}

.mobile-menu a {
    display: block;
    padding: 12px 0;
    color: #4b5563;
    text-decoration: none;
    border-bottom: 1px solid #e5e7eb;
}

/* Footer */
footer {
    background: #111827;
    color: #9ca3af;
    padding: 60px 20px 30px 20px;
}

.footer-container {
    max-width: 1280px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-section h4 {
    color: white;
    margin-bottom: 20px;
}

.footer-section a {
    color: #9ca3af;
    text-decoration: none;
    display: block;
    margin-bottom: 12px;
    transition: color 0.3s;
}

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

.footer-bottom {
    border-top: 1px solid #374151;
    padding-top: 30px;
    text-align: center;
    color: #6b7280;
}

/* Hero Section (Index Page) */
.hero {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    padding: 140px 20px 80px 20px;
}

.device-screenshots {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
}

.screenshot-ipad {
    position: relative;
    z-index: 2;
}

.screenshot-iphone {
    position: relative;
    z-index: 1;
    margin-left: -40px;
}

.hero-container {
    max-width: 1280px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-content h1 {
    font-size: 48px;
    font-weight: 800;
    color: white;
    margin-bottom: 24px;
    line-height: 1.1;
}

.hero-content h1 span {
    color: #fbbf24;
}

.hero-content p {
    font-size: 20px;
    color: #e0e7ff;
    margin-bottom: 32px;
    line-height: 1.6;
}

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

.btn-primary {
    background: #4f46e5 !important;
    color: white !important;
    padding: 16px 32px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: all 0.3s;
    box-shadow: 0 4px 6px rgba(0,0,0,0.3);
}

.btn-primary:hover {
    background: #4338ca !important;
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(0,0,0,0.4);
}

.btn-secondary {
    border: 2px solid white;
    color: white;
    padding: 14px 32px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s;
}

.btn-secondary:hover {
    background: white;
    color: #6366f1;
}

.hero-stats {
    display: flex;
    gap: 30px;
    margin-top: 40px;
}

.stat {
    display: flex;
    align-items: center;
    color: #e0e7ff;
}

.hero-image {
    position: relative;
}

.app-mockup {
    background: rgba(255,255,255,0.1);
    backdrop-filter: blur(10px);
    border-radius: 24px;
    padding: 40px;
    box-shadow: 0 25px 50px rgba(0,0,0,0.2);
}

.terminal {
    background: #1e293b;
    border-radius: 12px;
    padding: 24px;
    font-family: 'Courier New', monospace;
}

.terminal-header {
    display: flex;
    gap: 8px;
    margin-bottom: 20px;
}

.terminal-btn {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.terminal-content {
    color: #10b981;
    font-size: 14px;
    line-height: 1.8;
}

/* Features Section */
.features {
    padding: 80px 20px;
    background: white;
}

.features-container {
    max-width: 1280px;
    margin: 0 auto;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-header h2 {
    font-size: 42px;
    font-weight: 700;
    color: #111827;
    margin-bottom: 16px;
}

.section-header p {
    font-size: 20px;
    color: #6b7280;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
}

.feature-card {
    background: #f9fafb;
    padding: 32px;
    border-radius: 16px;
    transition: all 0.3s;
    border: 2px solid transparent;
}

.feature-card:hover {
    transform: translateY(-5px);
    border-color: #6366f1;
    box-shadow: 0 20px 40px rgba(0,0,0,0.1);
}

.feature-icon {
    width: 56px;
    height: 56px;
    background: #e0e7ff;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.feature-card h3 {
    font-size: 20px;
    font-weight: 600;
    color: #111827;
    margin-bottom: 12px;
}

.feature-card p {
    color: #6b7280;
    line-height: 1.6;
}

/* Activation Modes */
.modes {
    padding: 80px 20px;
    background: linear-gradient(to bottom, #f9fafb, white);
}

.modes-container {
    max-width: 1280px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.mode-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: 30px;
}

.mode-icon {
    width: 48px;
    height: 48px;
    background: #6366f1;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 20px;
    flex-shrink: 0;
}

.contest-widget {
    background: white;
    border-radius: 20px;
    padding: 40px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.1);
}

.widget-header {
    background: #f3f4f6;
    margin: -40px -40px 30px -40px;
    padding: 20px 40px;
    border-radius: 20px 20px 0 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.widget-stat {
    background: #f9fafb;
    padding: 16px;
    border-radius: 12px;
    margin-bottom: 16px;
}

.pulse {
    width: 12px;
    height: 12px;
    background: #10b981;
    border-radius: 50%;
    animation: pulse 2s infinite;
}

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

/* Integration */
.integration {
    padding: 80px 20px;
    background: white;
}

.integration-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    max-width: 900px;
    margin: 0 auto;
}

.integration-item {
    text-align: center;
}

.integration-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #667eea, #764ba2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px auto;
}

/* CTA Section */
.cta {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    padding: 80px 20px;
    text-align: center;
}

.cta h2 {
    font-size: 42px;
    color: white;
    margin-bottom: 20px;
}

.cta p {
    font-size: 20px;
    color: #e0e7ff;
    margin-bottom: 40px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* About Page */
.about-hero {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    padding: 140px 20px 80px 20px;
    text-align: center;
    color: white;
}

.about-content {
    max-width: 900px;
    margin: 60px auto;
    padding: 0 20px;
}

.about-section {
    background: white;
    border-radius: 20px;
    padding: 60px;
    margin-bottom: 40px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.05);
}

.values-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.value-card {
    text-align: center;
    padding: 30px;
    background: #f9fafb;
    border-radius: 16px;
    transition: transform 0.3s;
}

.value-card:hover {
    transform: translateY(-5px);
}

.value-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #667eea, #764ba2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px auto;
}

/* Contact Page */
.contact-hero {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    padding: 120px 20px 60px 20px;
    text-align: center;
    color: white;
}

.contact-container {
    max-width: 800px;
    margin: -40px auto 80px auto;
    padding: 0 20px;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 40px;
    background: white;
    border-radius: 20px;
    padding: 60px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.1);
}

.contact-info {
    padding-right: 40px;
    border-right: 1px solid #e5e7eb;
}

.info-item {
    margin-bottom: 30px;
}

.info-icon {
    width: 48px;
    height: 48px;
    background: #f3f4f6;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 16px;
}

.form-group {
    margin-bottom: 24px;
}

.form-group label {
    display: block;
    color: #374151;
    font-weight: 600;
    margin-bottom: 8px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid #e5e7eb;
    border-radius: 8px;
    font-size: 16px;
    font-family: 'Inter', sans-serif;
    transition: border-color 0.3s;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #6366f1;
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.btn-submit {
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: white;
    padding: 14px 32px;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    width: 100%;
    transition: transform 0.3s;
}

.btn-submit:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(99, 102, 241, 0.3);
}

/* Legal Pages (Privacy & Terms) */
.legal-container {
    max-width: 800px;
    margin: 0 auto;
    padding: 120px 20px 80px 20px;
}

.legal-content {
    background: white;
    border-radius: 20px;
    padding: 60px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.05);
}

.legal-header {
    border-bottom: 2px solid #e5e7eb;
    padding-bottom: 30px;
    margin-bottom: 40px;
}

.last-updated {
    color: #6366f1;
    font-size: 14px;
    margin-top: 10px;
}

.legal-content h2 {
    color: #111827;
    font-size: 24px;
    margin: 40px 0 20px 0;
}

.legal-content p,
.legal-content li {
    color: #4b5563;
    line-height: 1.8;
    margin-bottom: 16px;
}

.legal-content ul {
    margin-left: 30px;
    margin-bottom: 20px;
}

/* Images Page */
.images-container {
    max-width: 1280px;
    margin: 60px auto;
    padding: 0 20px;
}

.device-buttons {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-bottom: 60px;
}

.device-btn {
    background: white;
    border: 2px solid #e5e7eb;
    padding: 24px;
    border-radius: 16px;
    cursor: pointer;
    transition: all 0.3s;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    font-size: 16px;
    font-weight: 600;
    color: #4b5563;
}

.device-btn i {
    font-size: 32px;
    color: #6366f1;
}

.device-btn:hover {
    border-color: #6366f1;
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(99, 102, 241, 0.2);
}

.device-btn.active {
    background: linear-gradient(135deg, #1fb9a2, #0d9488);
    border-color: #1fb9a2;
    color: white;
}

.device-btn.active i {
    color: white;
}

.device-images-display {
    background: white;
    border-radius: 20px;
    padding: 60px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.05);
    min-height: 400px;
}

.device-images {
    display: none;
}

.device-images.active {
    display: block;
}

.device-images h2 {
    font-size: 32px;
    font-weight: 700;
    color: #111827;
    margin-bottom: 40px;
    text-align: center;
}

.images-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

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

.images-grid a {
    display: block;
    text-decoration: none;
}

.images-grid img {
    width: 100%;
    height: auto;
    border-radius: 12px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    transition: transform 0.3s;
    cursor: pointer;
}

.images-grid a:hover img {
    transform: scale(1.05);
    box-shadow: 0 10px 20px rgba(0,0,0,0.15);
}

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

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

    .nav-logo span {
        font-size: 22px !important;
    }

    .nav-logo img {
        height: 32px !important;
        margin-right: 8px !important;
    }

    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-content h1 {
        font-size: 32px;
    }

    .hero-content p {
        font-size: 18px;
    }

    .hero-buttons {
        justify-content: center;
        flex-direction: column;
    }

    .hero-stats {
        justify-content: center;
        flex-wrap: wrap;
    }

    .hero-image img {
        max-width: 100% !important;
    }

    .hero-image {
        margin-top: 40px;
    }

    .device-screenshots {
        flex-direction: column;
        gap: 20px;
    }

    .screenshot-iphone {
        margin-left: 0;
    }

    .modes-container {
        grid-template-columns: 1fr;
    }

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

    .contact-grid {
        grid-template-columns: 1fr;
        padding: 40px 20px;
    }

    .contact-info {
        border-right: none;
        border-bottom: 1px solid #e5e7eb;
        padding-right: 0;
        padding-bottom: 30px;
        margin-bottom: 30px;
    }

    .legal-content {
        padding: 40px 20px;
    }

    .section-header h2 {
        font-size: 32px;
    }

    .section-header p {
        font-size: 16px;
    }

    .about-section {
        padding: 40px 20px !important;
    }

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

    .device-buttons {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }

    .device-btn {
        padding: 20px;
        font-size: 14px;
    }

    .device-btn i {
        font-size: 24px;
    }

    .device-images-display {
        padding: 30px 20px;
    }

    .device-images h2 {
        font-size: 24px;
    }

    .images-grid,
    .images-grid.ipad-grid {
        grid-template-columns: 1fr;
    }
}