/* Base Styles */
:root {
    --bg-color: #030712;
    --text-primary: #f9fafb;
    --text-secondary: #9ca3af;
    --primary-color: #3b82f6;
    --secondary-color: #8b5cf6;
    --accent-color: #ec4899;
    --glass-bg: rgba(255, 255, 255, 0.03);
    --glass-border: rgba(255, 255, 255, 0.08);
    --nav-height: 80px;
}

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

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
    transition: all 0.3s ease;
}

ul {
    list-style: none;
}

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

.section {
    padding: 100px 0;
}

/* Typography & Utilities */
h1,
h2,
h3,
h4 {
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -0.02em;
}

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

.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    border-radius: 9999px;
    font-weight: 600;
    cursor: pointer;
    font-size: 1rem;
    transition: transform 0.2s, box-shadow 0.2s;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px -10px rgba(59, 130, 246, 0.5);
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    border: none;
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    color: white;
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.15);
}

.btn-sm {
    padding: 8px 20px;
    font-size: 0.9rem;
}

/* Navigation */
.navbar {
    height: var(--nav-height);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(3, 7, 18, 0.7);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--glass-border);
}

.nav-container {
    height: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.25rem;
    font-weight: 700;
}

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

.nav-links a:not(.btn) {
    color: var(--text-secondary);
    font-size: 0.95rem;
    font-weight: 500;
}

.nav-links a:not(.btn):hover {
    color: var(--text-primary);
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 6px;
    background: none;
    border: none;
    cursor: pointer;
}

.mobile-menu-btn span {
    width: 24px;
    height: 2px;
    background-color: var(--text-primary);
    border-radius: 2px;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    padding-top: var(--nav-height);
    background: radial-gradient(circle at top right, rgba(59, 130, 246, 0.15), transparent 40%),
        radial-gradient(circle at bottom left, rgba(139, 92, 246, 0.1), transparent 40%);
}

.hero-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center;
}

.hero-content {
    animation: fadeUp 0.8s ease-out;
}

.badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 16px;
    background: rgba(59, 130, 246, 0.1);
    border: 1px solid rgba(59, 130, 246, 0.2);
    border-radius: 9999px;
    font-size: 0.875rem;
    color: #60a5fa;
    margin-bottom: 24px;
}

.badge-dot {
    width: 8px;
    height: 8px;
    background-color: #60a5fa;
    border-radius: 50%;
    box-shadow: 0 0 10px #60a5fa;
}

.hero h1 {
    font-size: 4rem;
    margin-bottom: 24px;
    line-height: 1.1;
}

.hero-desc {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 40px;
    max-width: 500px;
}

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

.hero-image {
    position: relative;
    display: flex;
    justify-content: center;
    animation: float 6s ease-in-out infinite;
}

.phone-frame {
    position: relative;
    width: 320px;
    background: #111;
    border-radius: 40px;
    border: 8px solid #2d2d2d;
    overflow: hidden;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    z-index: 2;
}

.app-screenshot {
    width: 100%;
    height: auto;
    display: block;
}

.glow-effect {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 120%;
    height: 120%;
    background: radial-gradient(circle, rgba(139, 92, 246, 0.3) 0%, transparent 70%);
    z-index: 1;
    filter: blur(40px);
}

/* Features Section */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 32px;
    margin-top: 64px;
}

.section-header {
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
}

.section-header h2 {
    font-size: 2.5rem;
    margin-bottom: 16px;
}

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

.feature-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    padding: 32px;
    border-radius: 24px;
    transition: all 0.3s;
}

.feature-card:hover {
    background: rgba(255, 255, 255, 0.05);
    transform: translateY(-5px);
}

.feature-icon {
    width: 56px;
    height: 56px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
}

.icon-blue {
    background: rgba(59, 130, 246, 0.1);
    color: #60a5fa;
}

.icon-purple {
    background: rgba(139, 92, 246, 0.1);
    color: #a78bfa;
}

.icon-pink {
    background: rgba(236, 72, 153, 0.1);
    color: #f472b6;
}

.icon-orange {
    background: rgba(249, 115, 22, 0.1);
    color: #fb923c;
}

.feature-card h3 {
    font-size: 1.25rem;
    margin-bottom: 12px;
}

.feature-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* AI Section */
.ai-section {
    background: linear-gradient(180deg, transparent, rgba(59, 130, 246, 0.05), transparent);
}

.ai-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: center;
}

.ai-badge {
    font-size: 0.875rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    color: var(--accent-color);
    margin-bottom: 16px;
}

.ai-content h2 {
    font-size: 3rem;
    margin-bottom: 24px;
}

.ai-content p {
    color: var(--text-secondary);
    font-size: 1.125rem;
    margin-bottom: 32px;
}

.ai-features-list li {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
    font-weight: 500;
}

.ai-features-list svg {
    color: #10b981;
}

.ai-card {
    position: relative;
    padding: 32px;
    border-radius: 24px;
    background: rgba(20, 20, 30, 0.8);
    border: 1px solid var(--glass-border);
    overflow: hidden;
}

.glass-panel {
    backdrop-filter: blur(20px);
}

.ai-card-header {
    display: flex;
    gap: 16px;
    margin-bottom: 24px;
}

.skeleton-avatar {
    width: 48px;
    height: 48px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
}

.skeleton-title {
    width: 140px;
    height: 20px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 4px;
    margin-top: 14px;
}

.typing-effect p {
    margin-bottom: 12px;
    font-family: monospace;
    color: #e5e7eb;
}

.typing-effect .highlight {
    color: #60a5fa;
    background: rgba(59, 130, 246, 0.1);
    padding: 2px 8px;
    border-radius: 4px;
    display: inline-block;
}

.ai-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 200px;
    height: 200px;
    background: var(--accent-color);
    filter: blur(80px);
    opacity: 0.2;
    z-index: -1;
}

/* Footer */
.footer {
    border-top: 1px solid var(--glass-border);
    padding: 80px 0 32px;
    margin-top: 64px;
}

.footer-container {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 64px;
}

.footer-brand h3 {
    font-size: 1.5rem;
    margin-bottom: 16px;
}

.footer-brand p {
    color: var(--text-secondary);
}

.link-group h4 {
    margin-bottom: 20px;
    font-size: 1rem;
}

.link-group a {
    display: block;
    width: 160px;
    color: var(--text-secondary);
    margin-bottom: 12px;
    font-size: 0.95rem;
}

.footer-links {
    display: flex;
}

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

.copyright {
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.875rem;
    padding-top: 32px;
    border-top: 1px solid var(--glass-border);
}

/* Animations */
@keyframes float {
    0% {
        transform: translateY(0px);
    }

    50% {
        transform: translateY(-20px);
    }

    100% {
        transform: translateY(0px);
    }
}

@keyframes fadeUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

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

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

    .hero h1 {
        font-size: 2.5rem;
    }

    .hero-actions {
        justify-content: center;
    }

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


    /* Legal Pages Styles */
    .legal-content .container {
        max-width: 800px;
    }

    .legal-content h1 {
        font-size: 2.5rem;
        margin-bottom: 8px;
        background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
    }

    .update-time {
        color: var(--text-secondary);
        margin-bottom: 48px;
        font-size: 0.9rem;
    }

    .legal-text {
        background: rgba(255, 255, 255, 0.05);
        /* Slight light background for contrast */
        padding: 40px;
        border-radius: 24px;
        border: 1px solid var(--glass-border);
    }

    .legal-text h2 {
        font-size: 1.5rem;
        margin-top: 32px;
        margin-bottom: 16px;
        color: var(--text-primary);
        border-bottom: 1px solid var(--glass-border);
        padding-bottom: 8px;
    }

    .legal-text h3 {
        font-size: 1.1rem;
        margin-bottom: 8px;
        color: #e5e7eb;
        display: flex;
        align-items: center;
        gap: 10px;
    }

    .legal-text p {
        margin-bottom: 16px;
        color: #d1d5db;
        /* Readable grey */
        text-align: justify;
    }

    .permission-list {
        display: grid;
        gap: 24px;
        margin-top: 24px;
    }

    .permission-item {
        background: rgba(0, 0, 0, 0.2);
        padding: 20px;
        border-radius: 12px;
    }

    .permission-item .icon {
        font-size: 1.4rem;
    }

    .legal-text ul {
        list-style: disc;
        padding-left: 24px;
        margin-bottom: 16px;
        color: #d1d5db;
    }

    .legal-text ul li {
        margin-bottom: 8px;
    }

    @media (max-width: 768px) {
        .legal-content .container {
            padding: 0 16px;
        }

        .legal-text {
            padding: 24px;
        }
    }
}