:root {
    --primary: #6c5ce7;
    --primary-dark: #5f4dd1;
    --primary-light: #a88cff;
    --secondary: #E7C26A;
    --bg-dark: #0a0a0f;
    --bg-card: #151520;
    --bg-card-hover: #1a1a2e;
    --text-primary: #ffffff;
    --text-secondary: rgba(255, 255, 255, 0.7);
    --text-muted: rgba(255, 255, 255, 0.5);
    --border: rgba(255, 255, 255, 0.1);
    --glow-purple: rgba(108, 92, 231, 0.4);
    --glow-gold: rgba(231, 194, 106, 0.3);
}

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

html {
    scroll-behavior: smooth;
}

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Hero Section */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    padding: 2rem 0;
}

.stars {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        radial-gradient(2px 2px at 20% 30%, white, transparent),
        radial-gradient(2px 2px at 60% 70%, white, transparent),
        radial-gradient(1px 1px at 50% 50%, white, transparent),
        radial-gradient(1px 1px at 80% 10%, white, transparent),
        radial-gradient(2px 2px at 90% 60%, white, transparent),
        radial-gradient(1px 1px at 33% 80%, white, transparent);
    background-size: 200% 200%;
    animation: twinkle 8s ease-in-out infinite;
    opacity: 0.4;
}

@keyframes twinkle {
    0%, 100% { opacity: 0.3; }
    50% { opacity: 0.6; }
}

.gradient-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.4;
    animation: float 20s ease-in-out infinite;
}

.orb-1 {
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, var(--primary), transparent);
    top: -200px;
    right: -200px;
    animation-delay: 0s;
}

.orb-2 {
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, var(--secondary), transparent);
    bottom: -150px;
    left: -150px;
    animation-delay: -5s;
}

.orb-3 {
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, var(--primary-light), transparent);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation-delay: -10s;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) scale(1); }
    33% { transform: translate(50px, -50px) scale(1.1); }
    66% { transform: translate(-30px, 30px) scale(0.9); }
}

/* Navigation */
.navbar {
    position: relative;
    z-index: 100;
    padding: 1.5rem 0;
}

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

.brand {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.logo svg {
    filter: drop-shadow(0 0 20px var(--glow-purple));
}

.brand-text {
    display: flex;
    flex-direction: column;
}

.brand-name {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.25rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary-light), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.brand-tagline {
    font-size: 0.75rem;
    color: var(--text-muted);
    font-weight: 300;
}

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

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

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

/* Hero Content */
.hero-content {
    position: relative;
    z-index: 10;
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
    padding: 4rem 2rem 2rem;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 100px;
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    animation: fadeInUp 0.6s ease-out;
}

.badge-dot {
    width: 8px;
    height: 8px;
    background: var(--primary);
    border-radius: 50%;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(1.2); }
}

.hero-title {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
    animation: fadeInUp 0.6s ease-out 0.1s backwards;
}

.title-main {
    font-family: 'Space Grotesk', sans-serif;
    font-size: clamp(3rem, 8vw, 5rem);
    font-weight: 800;
    background: linear-gradient(135deg, var(--text-primary), var(--primary-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.1;
}

.title-sub {
    font-size: clamp(1.25rem, 3vw, 1.75rem);
    color: var(--text-secondary);
    font-weight: 300;
}

.hero-description {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 2.5rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    animation: fadeInUp 0.6s ease-out 0.2s backwards;
}

.hero-cta {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 4rem;
    animation: fadeInUp 0.6s ease-out 0.3s backwards;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    border-radius: 12px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s;
    border: 2px solid transparent;
    cursor: pointer;
    font-size: 1rem;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: white;
    box-shadow: 0 10px 30px rgba(108, 92, 231, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 15px 40px rgba(108, 92, 231, 0.4);
}

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

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

.btn-download {
    background: var(--bg-card);
    color: var(--text-primary);
    border-color: var(--border);
    width: 100%;
    justify-content: center;
    font-size: 0.95rem;
}

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

/* Hero Stats */
.hero-stats {
    display: flex;
    gap: 3rem;
    justify-content: center;
    animation: fadeInUp 0.6s ease-out 0.4s backwards;
}

.stat {
    text-align: center;
}

.stat-number {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 2.5rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary-light), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    font-size: 0.875rem;
    color: var(--text-muted);
}

/* Hero Image */
.hero-image {
    position: relative;
    z-index: 10;
    max-width: 900px;
    margin: 0 auto;
    padding: 0 2rem;
    animation: fadeInUp 0.8s ease-out 0.5s backwards;
}

.device-mockup {
    position: relative;
    border-radius: 24px;
    overflow: hidden;
    box-shadow: 0 30px 80px rgba(0, 0, 0, 0.5);
}

.mockup-glow {
    position: absolute;
    inset: -50%;
    background: radial-gradient(circle, var(--glow-purple), transparent 70%);
    animation: rotate 20s linear infinite;
}

@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.mockup-screen {
    position: relative;
    width: 100%;
    background: linear-gradient(135deg, #1a1a2e 0%, #151520 100%);
    border-radius: 20px;
    padding: 2rem;
    min-height: 500px;
}

/* Mock Calendar UI */
.mock-calendar {
    background: rgba(255, 255, 255, 0.03);
    border-radius: 16px;
    padding: 1.5rem;
    border: 1px solid var(--border);
    backdrop-filter: blur(10px);
}

.mock-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border);
}

.mock-logo {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: radial-gradient(circle at 30% 30%, var(--secondary), var(--primary));
}

.mock-title {
    font-size: 1.25rem;
    font-weight: 600;
    background: linear-gradient(135deg, var(--primary-light), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.mock-nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1.5rem;
}

.mock-btn {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border);
    color: var(--text-primary);
    width: 32px;
    height: 32px;
    border-radius: 8px;
    font-size: 1.25rem;
    cursor: pointer;
    transition: all 0.2s;
}

.mock-btn:hover {
    background: rgba(255, 255, 255, 0.1);
}

.mock-month {
    font-size: 1rem;
    font-weight: 500;
    color: var(--text-secondary);
}

.mock-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 0.5rem;
}

.mock-day-header {
    text-align: center;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-muted);
    padding: 0.5rem 0;
}

.mock-day {
    aspect-ratio: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.875rem;
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.03);
    transition: all 0.2s;
    cursor: pointer;
}

.mock-day:hover {
    background: rgba(255, 255, 255, 0.08);
}

.mock-day.today {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    font-weight: 600;
    box-shadow: 0 4px 12px var(--glow-purple);
}

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-muted);
    font-size: 0.875rem;
    z-index: 10;
}

.scroll-line {
    width: 1px;
    height: 40px;
    background: linear-gradient(to bottom, var(--primary), transparent);
    animation: scrollAnim 2s ease-in-out infinite;
}

@keyframes scrollAnim {
    0%, 100% { opacity: 0; transform: translateY(-10px); }
    50% { opacity: 1; transform: translateY(10px); }
}

/* Section Styling */
.section {
    position: relative;
    padding: 6rem 0;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-title {
    font-family: 'Space Grotesk', sans-serif;
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 700;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, var(--text-primary), var(--primary-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

/* Downloads Section */
.downloads-section {
    background: linear-gradient(to bottom, transparent, var(--bg-card) 50%, transparent);
}

.download-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.download-card {
    position: relative;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 2rem;
    transition: all 0.3s;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.download-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary);
    box-shadow: 0 20px 40px rgba(108, 92, 231, 0.2);
}

.download-card.featured {
    border-color: var(--primary);
    box-shadow: 0 10px 30px rgba(108, 92, 231, 0.2);
}

.featured-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: white;
    padding: 0.25rem 1rem;
    border-radius: 100px;
    font-size: 0.75rem;
    font-weight: 600;
}

.card-icon {
    width: 80px;
    height: 80px;
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.card-icon.windows { background: linear-gradient(135deg, #0078D4, #00BCF2); }
.card-icon.android { background: linear-gradient(135deg, #3DDC84, #07C160); }
.card-icon.apple { background: linear-gradient(135deg, #A8B3CF, #7C8AA5); }
.card-icon.web { background: linear-gradient(135deg, var(--primary), var(--primary-dark)); }

.download-card h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.download-card p {
    color: var(--text-secondary);
    margin-bottom: 1rem;
    flex: 1;
}

.card-specs {
    display: flex;
    gap: 0.5rem;
    font-size: 0.875rem;
    color: var(--text-muted);
    margin-bottom: 1.5rem;
}

.install-note {
    margin-top: 0.75rem;
    font-size: 0.8rem;
    color: var(--text-muted);
}

.download-note {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    padding: 1.5rem;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    color: var(--text-secondary);
    text-align: center;
}

/* Features Section */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.feature-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 2rem;
    transition: all 0.3s;
}

.feature-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary);
}

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

.feature-card h3 {
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
}

.feature-card p {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Demo Section */
.demo-section {
    background: var(--bg-card);
}

.demo-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.demo-text h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.demo-text > p {
    color: var(--text-secondary);
    font-size: 1.125rem;
    margin-bottom: 2rem;
}

.demo-features {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-bottom: 2rem;
}

.demo-feature {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.demo-feature svg {
    color: var(--primary);
    flex-shrink: 0;
}

/* Demo Window */
.demo-window {
    background: var(--bg-dark);
    border: 1px solid var(--border);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

.window-header {
    background: var(--bg-card);
    padding: 1rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    border-bottom: 1px solid var(--border);
}

.window-dots {
    display: flex;
    gap: 0.5rem;
}

.window-dots span {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--border);
}

.window-title {
    font-size: 0.875rem;
    color: var(--text-muted);
}

.window-content {
    padding: 2rem;
}

.calendar-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.calendar-nav {
    background: var(--bg-card);
    border: 1px solid var(--border);
    color: var(--text-primary);
    padding: 0.5rem 1rem;
    border-radius: 8px;
    cursor: pointer;
    font-size: 1.25rem;
}

.calendar-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 0.5rem;
}

.calendar-day {
    aspect-ratio: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    font-size: 0.875rem;
    transition: all 0.2s;
}

.calendar-day.header {
    color: var(--text-muted);
    font-weight: 600;
    font-size: 0.75rem;
}

.calendar-day:not(.header) {
    background: var(--bg-card);
    cursor: pointer;
}

.calendar-day:not(.header):hover {
    background: var(--bg-card-hover);
}

.calendar-day.today {
    background: var(--primary);
    color: white;
    font-weight: 700;
}

/* About Section */
.about-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.about-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1.5rem;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 100px;
    margin-bottom: 2rem;
    font-weight: 600;
}

.about-title {
    font-size: 3rem;
    margin-bottom: 2rem;
}

.about-text {
    text-align: left;
    font-size: 1.125rem;
    line-height: 1.8;
}

.about-intro {
    font-size: 1.25rem;
    color: var(--text-primary);
    margin-bottom: 1.5rem;
}

.about-text p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

.about-quote {
    position: relative;
    background: var(--bg-card);
    border-left: 4px solid var(--primary);
    padding: 2rem;
    margin: 3rem 0;
    border-radius: 12px;
}

.about-quote svg {
    position: absolute;
    top: 1rem;
    left: 1rem;
}

.about-quote blockquote {
    font-size: 1.5rem;
    font-style: italic;
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.about-quote cite {
    font-size: 1rem;
    color: var(--text-muted);
    font-style: normal;
}

.about-future {
    font-size: 1.25rem !important;
    color: var(--text-primary) !important;
    font-weight: 600;
}

.about-cta {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin-top: 3rem;
}

/* Footer */
.footer {
    background: var(--bg-card);
    border-top: 1px solid var(--border);
    padding: 4rem 0 2rem;
}

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

.footer-brand {
    display: flex;
    gap: 1rem;
}

.footer-brand-name {
    font-weight: 700;
    font-size: 1.125rem;
    margin-bottom: 0.25rem;
}

.footer-tagline {
    font-size: 0.875rem;
    color: var(--text-muted);
}

.footer-column h4 {
    margin-bottom: 1rem;
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-muted);
}

.footer-column a {
    display: block;
    color: var(--text-secondary);
    text-decoration: none;
    margin-bottom: 0.75rem;
    transition: color 0.3s;
}

.footer-column a:hover {
    color: var(--primary);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid var(--border);
    color: var(--text-muted);
    font-size: 0.875rem;
}

.footer-version {
    margin-top: 0.5rem;
    font-size: 0.75rem;
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1000;
    align-items: center;
    justify-content: center;
}

.modal.active {
    display: flex;
}

.modal-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(4px);
}

.modal-content {
    position: relative;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 24px;
    padding: 3rem;
    max-width: 500px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
}

.modal-close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 2rem;
    cursor: pointer;
    opacity: 0.5;
    transition: opacity 0.3s;
}

.modal-close:hover {
    opacity: 1;
}

.modal-content h2 {
    margin-bottom: 2rem;
    text-align: center;
}

.ios-instructions {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.ios-step {
    display: flex;
    gap: 1rem;
    align-items: start;
}

.step-number {
    width: 32px;
    height: 32px;
    background: var(--primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    flex-shrink: 0;
}

.ios-step p {
    color: var(--text-secondary);
    line-height: 1.6;
}

.ios-step.success {
    background: rgba(16, 185, 129, 0.1);
    padding: 1rem;
    border-radius: 12px;
    border: 1px solid rgba(16, 185, 129, 0.3);
    align-items: center;
}

.ios-step.success svg {
    color: #10b981;
}

.ios-step.success p {
    color: var(--text-primary);
    font-weight: 600;
}

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

    .hero-stats {
        gap: 1.5rem;
    }

    .stat-number {
        font-size: 2rem;
    }

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

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

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

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

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

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