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

/* Light Theme (Default) */
:root {
    /* Backgrounds */
    --bg-primary: #FFFFFF;
    --bg-secondary: #E7EBF3;
    --bg-tertiary: #FFFFFF;
    --bg-contrast: #000000;
    
    /* Grouped Backgrounds */
    --bg-grouped-primary: #E7EBF3;
    --bg-grouped-secondary: #FFFFFF;
    --bg-grouped-tertiary: #E7EBF3;
    
    /* Labels */
    --label-primary: #000000;
    --label-secondary: rgba(60,60,67,0.6);
    --label-tertiary: rgba(60,60,67,0.3);
    --label-quaternary: rgba(60,60,67,0.18);
    --label-contrast: #FFFFFF;
    
    /* Separators */
    --separator-opaque: #C6C6C8;
    --separator-nonOpaque: rgba(0,0,0,0.12);
    
    /* Basic */
    --basic-black: #000000;
    --basic-white: #FFFFFF;
    
    /* Legacy variables mapped to new palette (for backward compatibility) */
    --primary-color: #6366f1;
    --secondary-color: #8b5cf6;
    --text-color: var(--label-primary);
    --text-light: var(--label-secondary);
    --bg-color: var(--bg-primary);
    --bg-light: var(--bg-secondary);
    --border-color: var(--separator-opaque);
    
    /* Shadows */
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
}

/* Dark Theme */
[data-theme="dark"] {
    /* Backgrounds */
    --bg-primary: #000000;
    --bg-secondary: #1C1C1E;
    --bg-tertiary: #2C2C2E;
    --bg-contrast: #FFFFFF;
    
    /* Grouped Backgrounds */
    --bg-grouped-primary: #000000;
    --bg-grouped-secondary: #1C1C1E;
    --bg-grouped-tertiary: #2C2C2E;
    
    /* Labels */
    --label-primary: #FFFFFF;
    --label-secondary: rgba(235,235,245,0.6);
    --label-tertiary: rgba(235,235,245,0.3);
    --label-quaternary: rgba(235,235,245,0.18);
    --label-contrast: #000000;
    
    /* Separators */
    --separator-opaque: #38383A;
    --separator-nonOpaque: rgba(255,255,255,0.12);
    
    /* Basic */
    --basic-black: #000000;
    --basic-white: #FFFFFF;
    
    /* Legacy variables mapped to new palette */
    --text-color: var(--label-primary);
    --text-light: var(--label-secondary);
    --bg-color: var(--bg-primary);
    --bg-light: var(--bg-secondary);
    --border-color: var(--separator-opaque);
    
    /* Dark theme shadows */
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.3);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--bg-color);
    padding-bottom: 140px; /* Space for fixed footer */
}

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

/* Header and Navigation */
header {
    background-color: var(--bg-color);
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 1000;
}

nav {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.logo {
    max-width: 80px;
    height: 40px;
    display: flex;
    align-items: center;
    overflow: hidden;
}

.logo a {
    display: flex;
    align-items: center;
    width: 100%;
    height: 100%;
}

.logo img {
    width: 100%;
    height: auto;
    max-height: 100%;
    object-fit: contain;
    display: block;
}

.logo h1 {
    color: var(--primary-color);
    font-size: 1.5rem;
    font-weight: 700;
    white-space: nowrap;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-color);
    font-weight: 500;
    transition: color 0.3s ease;
}

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

.menu-toggle {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.menu-toggle span {
    width: 25px;
    height: 3px;
    background-color: var(--text-color);
    margin: 3px 0;
    transition: 0.3s;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: var(--label-contrast);
    padding: 6rem 20px;
    text-align: center;
}

.hero-content h2 {
    font-size: 3rem;
    margin-bottom: 1rem;
    font-weight: 700;
}

.hero-content p {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.cta-button {
    background-color: var(--basic-white);
    color: var(--primary-color);
    padding: 1rem 2rem;
    font-size: 1.125rem;
    font-weight: 600;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

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

/* Features Section */
.features {
    padding: 5rem 20px;
    background-color: var(--bg-light);
}

.features h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: var(--text-color);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.feature-card {
    background-color: var(--bg-color);
    padding: 2rem;
    border-radius: 12px;
    box-shadow: var(--shadow);
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

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

.feature-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.feature-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--text-color);
}

.feature-card p {
    color: var(--text-light);
}

/* About Section */
.about {
    padding: 5rem 20px;
    text-align: center;
}

.about h2 {
    font-size: 2.5rem;
    margin-bottom: 2rem;
    color: var(--text-color);
}

.about p {
    max-width: 800px;
    margin: 0 auto;
    font-size: 1.125rem;
    color: var(--text-light);
    line-height: 1.8;
}

/* Contact Section */
.contact {
    padding: 5rem 20px;
    background-color: var(--bg-light);
}

.contact h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: var(--text-color);
}

#contactForm {
    max-width: 600px;
    margin: 0 auto;
    background-color: var(--bg-color);
    padding: 2rem;
    border-radius: 12px;
    box-shadow: var(--shadow);
}

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

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

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.75rem;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-size: 1rem;
    font-family: inherit;
    transition: border-color 0.3s ease;
}

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

.submit-button {
    width: 100%;
    background-color: var(--primary-color);
    color: var(--label-contrast);
    padding: 1rem;
    font-size: 1.125rem;
    font-weight: 600;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: background-color 0.3s ease, transform 0.3s ease;
}

.submit-button:hover {
    background-color: var(--secondary-color);
    transform: translateY(-2px);
}

/* Footer */
footer {
    background-color: var(--bg-secondary);
    color: #FFFFFF;
    padding: 2.5rem 20px;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 100;
    box-shadow: 0 -2px 8px rgba(0, 0, 0, 0.1);
    border-top: 1px solid var(--separator-nonOpaque);
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
    gap: 2rem;
}

.footer-content p {
    margin: 0;
    color: #FFFFFF;
    font-size: 0.9rem;
    line-height: 1.5;
    opacity: 0.9;
}

.footer-links {
    display: flex;
    gap: 1.5rem;
    align-items: center;
    flex-wrap: wrap;
}

.footer-links a {
    color: #FFFFFF;
    text-decoration: none;
    font-size: 0.9rem;
    transition: opacity 0.3s ease, color 0.3s ease;
    opacity: 0.9;
    font-weight: 500;
}

.footer-links a:hover {
    opacity: 1;
    color: var(--primary-color);
}

.footer-separator {
    opacity: 0.4;
    color: #FFFFFF;
    font-size: 0.9rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background-color: var(--bg-color);
        flex-direction: column;
        padding: 1rem;
        box-shadow: var(--shadow);
    }

    .nav-links.active {
        display: flex;
    }

    .menu-toggle {
        display: flex;
    }

    .hero-content h2 {
        font-size: 2rem;
    }

    .hero-content p {
        font-size: 1rem;
    }

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

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

    .footer-content p {
        font-size: 0.85rem;
    }

    .footer-links {
        flex-direction: row;
        gap: 1rem;
        justify-content: center;
    }

    .footer-links a {
        font-size: 0.85rem;
    }

    .footer-separator {
        display: inline;
    }
}

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

/* Welcome Card Styles */
.welcome-card-container {
    padding: 120px 16px 32px;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: calc(100vh - 80px);
}

.welcome-card {
    background-color: var(--bg-primary);
    border-radius: 34px;
    overflow: hidden;
    position: relative;
    height: 300px;
    width: 100%;
    max-width: 600px;
    display: flex;
    flex-direction: column;
    align-items: center;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15);
}

.welcome-card-container.fade-in {
    animation: fadeInUp 0.8s ease-out forwards;
    opacity: 0;
    transform: translateY(30px);
}

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

.top-section {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding-top: 30px;
    margin-bottom: 80px;
}

.welcome-text {
    font-size: 12px;
    font-weight: 400;
    line-height: 16px;
    color: var(--label-light-primary);
    text-align: center;
    opacity: 0.6;
    letter-spacing: -0.01em;
}

.app-name-text {
    font-size: 22px;
    font-weight: 700;
    line-height: 28px;
    letter-spacing: -0.26px;
    color: var(--label-light-primary);
    text-align: center;
}

.bottom-section {
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: center;
    width: 100%;
}

/* Animated Tagline Container */
.animated-tagline-container {
    width: 100%;
    height: 32px;
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    overflow: hidden;
}

.animated-tagline-text {
    font-family: 'JetBrains Mono', monospace;
    font-size: 22px;
    font-weight: 700;
    line-height: 28px;
    letter-spacing: -0.26px;
    color: var(--label-light-primary);
    text-align: center;
    position: absolute;
    white-space: nowrap;
    left: 50%;
    transform: translateX(-50%);
    transition: transform 0.12s linear;
}

.animated-tagline-mask {
    background-color: #000000;
    position: absolute;
    left: 0;
    top: 0;
    height: 34px;
    width: 0;
    border-top-left-radius: 20px;
    border-bottom-left-radius: 20px;
    z-index: 1;
    transition: transform 0.12s linear, width 0.12s linear;
}

.animated-tagline-cursor {
    position: absolute;
    width: 2px;
    height: 28px;
    background-color: var(--label-light-primary);
    z-index: 10;
    left: 50%;
    transform: translateX(-50%);
    transition: transform 0.12s linear;
    animation: cursorBlink 1s infinite;
}

@keyframes cursorBlink {
    0%, 50% {
        opacity: 1;
    }
    51%, 100% {
        opacity: 0;
    }
}

/* Contact Page Styles */
.contact-page-container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: calc(100vh - 140px);
    padding: 120px 20px 140px;
}

.contact-content {
    text-align: center;
    display: flex;
    flex-direction: column;
    gap: 2rem;
    align-items: center;
}

.contact-heading {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--label-primary);
    margin: 0;
    letter-spacing: -0.02em;
}

.contact-email {
    font-family: 'JetBrains Mono', monospace;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    text-decoration: none;
    transition: opacity 0.3s ease, transform 0.3s ease;
    letter-spacing: -0.01em;
}

.contact-email:hover {
    opacity: 0.8;
    transform: translateY(-2px);
}

@media (max-width: 768px) {
    .contact-heading {
        font-size: 2rem;
    }
    
    .contact-email {
        font-size: 1.25rem;
    }
}

/* Legal Pages */
.legal-page {
    max-width: 960px;
    margin: 0 auto;
    padding: 4rem 20px 5rem;
}

.legal-hero {
    margin-bottom: 2rem;
}

.legal-hero h1 {
    font-size: 2.5rem;
    margin: 0.5rem 0 0.25rem;
}

.legal-meta {
    color: var(--label-secondary);
}

.legal-pill {
    display: inline-flex;
    align-items: center;
    padding: 0.35rem 0.75rem;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--label-contrast);
    font-weight: 700;
    border-radius: 999px;
    font-size: 0.9rem;
    letter-spacing: 0.02em;
}

.legal-card {
    background-color: var(--bg-grouped-secondary);
    border: 1px solid var(--separator-nonOpaque);
    border-radius: 16px;
    padding: 2rem;
    box-shadow: var(--shadow-lg);
}

.legal-card h2 {
    margin-top: 1.5rem;
    margin-bottom: 0.6rem;
    font-size: 1.4rem;
}

.legal-card h3 {
    margin-top: 1rem;
    margin-bottom: 0.5rem;
    font-size: 1.1rem;
    color: var(--label-secondary);
}

.legal-card p {
    margin-bottom: 1rem;
}

.legal-card ul {
    margin: 0 0 1rem 1.25rem;
    padding-left: 1rem;
    color: var(--label-secondary);
}

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

.legal-footer-note {
    margin-top: 2rem;
    color: var(--label-secondary);
    font-size: 0.95rem;
}