:root {
    /* Color Palette */
    --color-bg-dark: #0a0a0c;
    --color-bg-card: #16161a;
    --color-primary: #7c3aed;
    /* Violet */
    --color-secondary: #2dd4bf;
    /* Teal */
    --color-accent: #f472b6;
    /* Pink */
    --color-text-main: #fffffe;
    --color-text-muted: #94a1b2;
    --color-border: #2b2b30;

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 8rem;

    /* Typography */
    --font-main: 'Outfit', sans-serif;
}

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

body {
    background-color: var(--color-bg-dark);
    color: var(--color-text-main);
    font-family: var(--font-main);
    line-height: 1.6;
    overflow-x: hidden;
}

img {
    max-width: 100%;
    display: block;
}

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

ul {
    list-style: none;
}

/* Utility Classes */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-sm);
}

.btn {
    display: inline-block;
    padding: 12px 24px;
    border-radius: 8px;
    font-weight: 600;
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
    color: white;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(124, 58, 237, 0.4);
}

.btn-secondary {
    background: transparent;
    border: 1px solid var(--color-border);
    color: var(--color-text-main);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: var(--color-text-main);
}

/* Header */
#main-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(10, 10, 12, 0.8);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    padding: var(--spacing-sm) 0;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: -0.5px;
    background: linear-gradient(to right, var(--color-primary), var(--color-secondary));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.desktop-nav ul {
    display: flex;
    gap: var(--spacing-md);
    align-items: center;
}

.desktop-nav a:not(.btn) {
    color: var(--color-text-muted);
    font-weight: 500;
}

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

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

.mobile-menu-btn span {
    display: block;
    width: 24px;
    height: 2px;
    background-color: var(--color-text-main);
}

/* Hero Section */
#hero {
    padding-top: calc(var(--spacing-xl) + 2rem);
    padding-bottom: var(--spacing-xl);
    position: relative;
    overflow: hidden;
}

/* Background gradient effect */
#hero::before {
    content: '';
    position: absolute;
    top: -50%;
    left: 50%;
    transform: translateX(-50%);
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at center, rgba(124, 58, 237, 0.15) 0%, transparent 70%);
    z-index: -1;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    align-items: center;
}

.hero-text h1 {
    font-size: 4rem;
    line-height: 1.1;
    margin-bottom: var(--spacing-md);
    font-weight: 700;
}

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

.hero-text p {
    font-size: 1.25rem;
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-md);
    max-width: 500px;
}

/* Waitlist Form */
.waitlist-container {
    margin-top: var(--spacing-md);
}

#waitlist-form {
    display: flex;
    gap: var(--spacing-sm);
    max-width: 450px;
}

#waitlist-form input {
    flex: 1;
    padding: 12px 16px;
    border-radius: 8px;
    border: 1px solid var(--color-border);
    background: rgba(255, 255, 255, 0.05);
    color: var(--color-text-main);
    font-family: var(--font-main);
    font-size: 1rem;
    outline: none;
    transition: all 0.3s ease;
}

#waitlist-form input:focus {
    border-color: var(--color-primary);
    background: rgba(255, 255, 255, 0.1);
}

.form-message {
    margin-top: var(--spacing-sm);
    font-size: 0.9rem;
    height: 1.5rem;
}

.form-message.success {
    color: var(--color-secondary);
}

.form-message.error {
    color: #ef4444;
}

@media (max-width: 768px) {
    #waitlist-form {
        flex-direction: column;
        max-width: 100%;
    }
}

.hero-btns {
    display: flex;
    gap: var(--spacing-sm);
}

/* Hero Visual (Glassmorphism Card) */
.hero-visual {
    position: relative;
}

.visual-card.glass {
    background: rgba(255, 255, 255, 0.03);
    backdrop-filter: blur(16px);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 16px;
    padding: var(--spacing-md);
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    transform: perspective(1000px) rotateY(-5deg) rotateX(5deg);
    transition: transform 0.5s ease;
}

.visual-card:hover {
    transform: perspective(1000px) rotateY(0) rotateX(0);
}

.card-header {
    display: flex;
    gap: 8px;
    margin-bottom: var(--spacing-md);
}

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

.dot.red {
    background-color: #ef4444;
}

.dot.yellow {
    background-color: #f59e0b;
}

.dot.green {
    background-color: #10b981;
}

.skeleton-line {
    height: 12px;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 6px;
    margin-bottom: 12px;
}

.w-75 {
    width: 75%;
}

.w-50 {
    width: 50%;
}

.w-100 {
    width: 100%;
}

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

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

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

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

    .hero-text p {
        margin: 0 auto var(--spacing-md);
    }

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

/* Features Section */
#features {
    padding: var(--spacing-xl) 0;
    background-color: var(--color-bg-dark);
}

.section-header {
    text-align: center;
    max-width: 600px;
    margin: 0 auto var(--spacing-lg);
}

.section-header h2 {
    font-size: 3rem;
    margin-bottom: var(--spacing-sm);
}

.section-header p {
    color: var(--color-text-muted);
    font-size: 1.25rem;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
}

.feature-card {
    background: var(--color-bg-card);
    padding: var(--spacing-md);
    border-radius: 16px;
    border: 1px solid var(--color-border);
    transition: transform 0.3s ease, border-color 0.3s ease;
}

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

.feature-icon {
    width: 48px;
    height: 48px;
    background: rgba(124, 58, 237, 0.1);
    color: var(--color-primary);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-sm);
}

.feature-card h3 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-xs);
}

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

/* Testimonials Section */
#testimonials {
    padding: var(--spacing-xl) 0;
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
}

.testimonial-card {
    background: rgba(255, 255, 255, 0.02);
    padding: var(--spacing-md);
    border-radius: 16px;
    border: 1px solid var(--color-border);
}

.quote {
    font-size: 1.1rem;
    font-style: italic;
    color: var(--color-text-main);
    margin-bottom: var(--spacing-md);
}

.author {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.avatar {
    width: 48px;
    height: 48px;
    background: var(--color-border);
    border-radius: 50%;
}

.author h4 {
    font-size: 1rem;
    font-weight: 600;
}

.author-info p {
    font-size: 0.875rem;
    color: var(--color-text-muted);
}

/* Footer */
#main-footer {
    padding: var(--spacing-lg) 0 var(--spacing-md);
    border-top: 1px solid var(--color-border);
    background: #050507;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.footer-brand p {
    color: var(--color-text-muted);
    margin-top: var(--spacing-xs);
    max-width: 300px;
}

.footer-links {
    display: flex;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
}

.link-group h4 {
    margin-bottom: var(--spacing-sm);
    color: var(--color-text-main);
}

.link-group a {
    display: block;
    color: var(--color-text-muted);
    margin-bottom: 8px;
    font-size: 0.9rem;
}

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

.copyright {
    text-align: center;
    color: var(--color-text-muted);
    font-size: 0.875rem;
    padding-top: var(--spacing-md);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

@media (max-width: 768px) {
    .footer-content {
        flex-direction: column;
    }

    .footer-links {
        display: grid;
        grid-template-columns: 1fr 1fr;
    }

    /* Mobile Menu Active State */
    .desktop-nav.active {
        display: flex;
        position: fixed;
        top: 60px;
        left: 0;
        width: 100%;
        height: calc(100vh - 60px);
        background: var(--color-bg-dark);
        flex-direction: column;
        justify-content: center;
        padding: var(--spacing-lg);
        z-index: 999;
    }

    .desktop-nav.active ul {
        flex-direction: column;
        font-size: 1.5rem;
    }
}

/* Animation States */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s cubic-bezier(0.5, 0, 0, 1);
}

.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}