/* Clean Modern Dark Theme */

/* CSS Reset & Variables */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

:root {
    /* Colors - Clean Dark Theme */
    --bg-primary: #0a0a0a;
    --bg-secondary: #121212;
    --bg-tertiary: #1e1e1e;

    --text-primary: #ffffff;
    --text-secondary: #a1a1aa;
    --text-muted: #52525b;

    /* Accents - Solid & Clean */
    --accent: #ffffff;
    --accent-hover: #e5e5e5;
    --accent-subtle: rgba(255, 255, 255, 0.1);

    --border: rgba(255, 255, 255, 0.08);
    --border-hover: rgba(255, 255, 255, 0.16);
    --border-strong: rgba(255, 255, 255, 0.24);

    /* Layout */
    --navbar-height: 100px;

    /* Spacing */
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-10: 2.5rem;
    --space-12: 3rem;
    --space-16: 4rem;
    --space-20: 5rem;
    --space-24: 6rem;

    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;

    /* Shadows - Subtle */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1);

    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;

    /* Animation */
    --transition: all 0.2s ease;
    --transition-slow: all 0.4s ease;
}

/* Base Styles */
html {
    scroll-behavior: smooth;
    font-display: swap;
}

body {
    font-family: var(--font-family);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

/* Utilities */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-6);
}

/* Navigation - Minimal */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 50;
    background: rgba(10, 10, 10, 0.8);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
    transition: var(--transition-slow);
}

.navbar.scrolled {
    background: rgba(10, 10, 10, 0.95);
    border-bottom-color: var(--border-hover);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-10);
    height: var(--navbar-height);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    font-weight: 600;
    font-size: 1.25rem;
    letter-spacing: -0.01em;
    color: var(--text-primary);
}

.brand-text {
    color: var(--text-primary);
}

/* Buttons - Clean & Solid */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: 0.75rem 1.5rem;
    border: 1px solid transparent;
    border-radius: var(--radius-lg);
    font-size: 0.9375rem;
    font-weight: 500;
    text-decoration: none;
    cursor: pointer;
    transition: var(--transition);
}

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

.btn-primary:hover {
    background: var(--accent-hover);
    border-color: var(--accent-hover);
    transform: translateY(-1px);
}

.btn-large {
    padding: 1rem 2rem;
    font-size: 1rem;
    border-radius: var(--radius-xl);
}

/* Hero Section - Clean */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    padding-top: var(--navbar-height);
    overflow: hidden;
}

.hero-container {
    position: relative;
    z-index: 2;
    width: 100%;
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 var(--space-6);
    text-align: center;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: 0.5rem 1rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 100px;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: var(--space-8);
    transition: var(--transition);
}

.hero-badge:hover {
    border-color: var(--border-hover);
    color: var(--text-primary);
}

.hero-title {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: var(--space-6);
    letter-spacing: -0.03em;
    color: var(--text-primary);
}

.title-main {
    display: block;
    color: var(--text-secondary);
}

.title-highlight {
    display: block;
    color: var(--text-primary);
}

.hero-description {
    font-size: 1.125rem;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: var(--space-10);
    max-width: 580px;
    margin-left: auto;
    margin-right: auto;
    text-wrap: balance;
}

/* Hero Visual - Clean App Mockup */
.hero-visual {
    margin-top: var(--space-12);
    position: relative;
    perspective: 1000px;
}

.app-window {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    box-shadow: 0 24px 48px -12px rgba(0, 0, 0, 0.5);
    overflow: hidden;
    transform: rotateX(2deg);
    transition: transform 0.5s ease;
    max-width: 800px;
    margin: 0 auto;
}

.hero-visual:hover .app-window {
    transform: rotateX(0deg) scale(1.01);
}

.window-header {
    height: 44px;
    background: var(--bg-tertiary);
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    padding: 0 var(--space-4);
    gap: var(--space-4);
}

.window-controls {
    display: flex;
    gap: 8px;
}

.window-controls span {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--border-strong);
    opacity: 0.5;
}

.window-bar {
    flex: 1;
}

.window-content {
    height: 400px;
    display: flex;
    position: relative;
    background: var(--bg-secondary);
}

.sidebar {
    width: 64px;
    border-right: 1px solid var(--border);
    padding: var(--space-4);
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
    align-items: center;
    background: var(--bg-tertiary);
}

.sidebar-item {
    width: 32px;
    height: 32px;
    border-radius: var(--radius-md);
    background: var(--border);
}

.sidebar-item.active {
    background: var(--text-primary);
}

.main-area {
    flex: 1;
    background: var(--bg-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-8);
}

.canvas-placeholder {
    width: 80%;
    height: 80%;
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
}

.mockup-placeholder {
    width: 120px;
    height: 120px;
    background: var(--bg-tertiary);
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: var(--text-secondary);
    border: 1px solid var(--border);
}

.properties-panel {
    width: 220px;
    border-left: 1px solid var(--border);
    padding: var(--space-4);
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
    background: var(--bg-tertiary);
}

.panel-item {
    height: 8px;
    background: var(--border);
    border-radius: 4px;
}

.panel-item:nth-child(1) {
    width: 60%;
}

.panel-item:nth-child(2) {
    width: 80%;
}

.panel-item:nth-child(3) {
    width: 40%;
}

@media (max-width: 768px) {
    .window-content {
        height: 250px;
    }

    .properties-panel {
        display: none;
    }

    .sidebar {
        width: 48px;
        padding: var(--space-2);
    }

    .sidebar-item {
        width: 24px;
        height: 24px;
    }
}

/* Features Section - Grid */
.features {
    padding: var(--space-24) 0;
    position: relative;
}

.section-header {
    text-align: center;
    margin-bottom: var(--space-16);
}

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    letter-spacing: -0.02em;
    margin-bottom: var(--space-4);
    color: var(--text-primary);
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--space-6);
}

.feature-card {
    padding: var(--space-8);
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    transition: var(--transition);
}

.feature-card:hover {
    border-color: var(--border-hover);
    transform: translateY(-2px);
    background: var(--bg-tertiary);
}

.feature-icon {
    width: 48px;
    height: 48px;
    background: var(--bg-tertiary);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--space-6);
    font-size: 1.25rem;
    color: var(--text-primary);
    border: 1px solid var(--border);
}

.feature-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--space-3);
    color: var(--text-primary);
}

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

/* How It Works */
.how-it-works {
    padding: var(--space-24) 0;
}

.steps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-8);
    margin-top: var(--space-16);
}

.step-item {
    position: relative;
    padding: var(--space-8);
    border-radius: var(--radius-xl);
    background: var(--bg-secondary);
    border: 1px solid var(--border);
}

.step-number {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--space-4);
    display: inline-block;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-tertiary);
    border-radius: 50%;
    border: 1px solid var(--border);
}

.step-content h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--space-3);
    color: var(--text-primary);
}

.step-content p {
    color: var(--text-secondary);
}

/* FAQ Section */
.faq {
    padding: var(--space-24) 0;
}

.faq-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--space-6);
    margin-top: var(--space-16);
}

.faq-item {
    padding: var(--space-8);
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    transition: var(--transition);
}

.faq-item:hover {
    border-color: var(--border-hover);
}

.faq-item h4 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: var(--space-3);
    color: var(--text-primary);
}

.faq-item p {
    color: var(--text-secondary);
}

/* CTA Section */
.cta {
    padding: var(--space-24) 0;
    text-align: center;
}

.cta-content {
    max-width: 700px;
    margin: 0 auto;
    padding: var(--space-12);
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-2xl);
}

.cta-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    margin-bottom: var(--space-4);
    letter-spacing: -0.02em;
    color: var(--text-primary);
}

.cta-subtitle {
    font-size: 1.125rem;
    color: var(--text-secondary);
    margin-bottom: var(--space-8);
}

.cta-note {
    margin-top: var(--space-6);
    font-size: 0.875rem;
    color: var(--text-muted);
}

/* Footer */
.footer {
    padding: var(--space-16) 0 var(--space-8);
    background: var(--bg-primary);
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: var(--space-16);
    margin-bottom: var(--space-12);
}

.footer-brand p {
    color: var(--text-secondary);
    margin-top: var(--space-4);
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-8);
}

.footer-section h4 {
    color: var(--text-primary);
    font-weight: 600;
    margin-bottom: var(--space-6);
}

.footer-section ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.footer-section a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition);
}

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

.footer-bottom {
    text-align: center;
    padding-top: var(--space-8);
    border-top: 1px solid var(--border);
    color: var(--text-muted);
    font-size: 0.875rem;
}

/* Scroll Indicator with Animation */
.scroll-indicator {
    margin-top: var(--space-12);
    cursor: pointer;
}

.scroll-arrow {
    width: 32px;
    height: 32px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--border);
    border-radius: 50%;
    color: var(--text-secondary);
    animation: bounce 2s infinite;
    transition: var(--transition);
}

.scroll-arrow:hover {
    border-color: var(--border-hover);
    color: var(--text-primary);
    transform: translateY(4px);
}

@keyframes bounce {

    0%,
    20%,
    50%,
    80%,
    100% {
        transform: translateY(0);
    }

    40% {
        transform: translateY(-10px);
    }

    60% {
        transform: translateY(-5px);
    }
}

/* Background Pattern */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: radial-gradient(circle, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
    background-size: 24px 24px;
    pointer-events: none;
    z-index: 0;
}

/* Ensure content is above background pattern */
.navbar,
.hero,
.features,
.how-it-works,
.faq,
.cta,
.footer {
    position: relative;
    z-index: 1;
}

/* Trust Badges */
.trust-badges {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-6);
    margin-top: var(--space-6);
    flex-wrap: wrap;
}

.trust-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: 0.5rem 1rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    font-size: 0.875rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.trust-badge i {
    color: #22c55e;
    font-size: 1rem;
}

/* App Window Animations */
.app-window {
    animation: float 6s ease-in-out infinite;
}

@keyframes float {

    0%,
    100% {
        transform: translateY(0) rotateX(2deg);
    }

    50% {
        transform: translateY(-10px) rotateX(2deg);
    }
}

.mockup-placeholder {
    animation: pulse 3s ease-in-out infinite;
}

@keyframes pulse {

    0%,
    100% {
        opacity: 0.6;
        transform: scale(1);
    }

    50% {
        opacity: 1;
        transform: scale(1.05);
    }
}

.glow-effect {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.03) 0%, transparent 70%);
    pointer-events: none;
    animation: glow-pulse 4s ease-in-out infinite;
}

@keyframes glow-pulse {

    0%,
    100% {
        opacity: 0.5;
    }

    50% {
        opacity: 1;
    }
}

/* Make logo clickable */
.nav-brand {
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
}

.nav-brand:hover {
    opacity: 0.8;
}

.footer-brand {
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    display: block;
}

.footer-brand:hover {
    opacity: 0.8;
}

.footer-brand .brand-text {
    display: block;
    margin-top: var(--space-2);
    color: var(--text-primary);
}

/* Responsive */
@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: var(--space-12);
    }

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

    .trust-badges {
        gap: var(--space-4);
    }

    .trust-badge {
        font-size: 0.8125rem;
        padding: 0.4rem 0.8rem;
    }
}