/* Premium Modern Design Tokens (Notta App) */
@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800&display=swap');

:root {
    /* DARK THEME - Default for Premium Feel */
    --primary: #8C52FF;
    --primary-glow: rgba(140, 82, 255, 0.5);
    --secondary: #1DD1A1;
    --secondary-glow: rgba(29, 209, 161, 0.4);
    --error: #FF4757;
    
    --bg-base: #0A0A0B;
    --bg-surface: rgba(255, 255, 255, 0.03);
    --bg-surface-hover: rgba(255, 255, 255, 0.05);
    
    --text-primary: #FFFFFF;
    --text-secondary: rgba(255, 255, 255, 0.7);
    --text-muted: rgba(255, 255, 255, 0.4);
    
    --border-light: rgba(255, 255, 255, 0.08);
    --border-focus: rgba(140, 82, 255, 0.3);
    
    --pro-gold: #FFD700;
    --pro-glow: rgba(255, 215, 0, 0.3);

    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #6C5CE7 0%, #B838FF 100%);
    --gradient-surface: linear-gradient(180deg, rgba(255,255,255,0.05) 0%, rgba(255,255,255,0) 100%);
    
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --radius-xl: 32px;
}

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

body {
    font-family: 'Outfit', system-ui, -apple-system, sans-serif;
    background-color: var(--bg-base);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    background-image: 
        radial-gradient(circle at 15% 50%, rgba(140, 82, 255, 0.15), transparent 25%),
        radial-gradient(circle at 85% 30%, rgba(29, 209, 161, 0.1), transparent 25%);
    background-attachment: fixed;
}

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

.material-symbols-outlined {
    font-variation-settings: 'FILL' 1, 'wght' 300, 'GRAD' 0, 'opsz' 24;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

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

@keyframes float {
    0% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
    100% { transform: translateY(0px); }
}

@keyframes pulseGlow {
    0% { box-shadow: 0 0 0 0 var(--primary-glow); }
    70% { box-shadow: 0 0 20px 10px rgba(140, 82, 255, 0); }
    100% { box-shadow: 0 0 0 0 rgba(140, 82, 255, 0); }
}

.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

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

/* Header */
.header {
    width: 100%;
    position: fixed;
    top: 0;
    z-index: 100;
    background: rgba(10, 10, 11, 0.7);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-light);
    transition: all 0.3s ease;
    padding: 1rem 0;
}

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

.logo-area {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
}

.logo-text {
    font-size: 1.75rem;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    letter-spacing: -0.5px;
}

.pro-badge {
    background: rgba(255, 215, 0, 0.1);
    border: 1px solid rgba(255, 215, 0, 0.3);
    border-radius: var(--radius-sm);
    padding: 2px 8px;
    display: flex;
    align-items: center;
    gap: 4px;
    box-shadow: 0 0 10px var(--pro-glow);
}

.pro-badge span.material-symbols-outlined {
    font-size: 14px;
    color: var(--pro-gold);
}

.pro-badge span.pro-text {
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--pro-gold);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.nav {
    display: flex;
    gap: 2.5rem;
}

.nav a {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    font-size: 1rem;
    transition: color 0.2s ease;
    position: relative;
}

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

.nav a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0%;
    height: 2px;
    background: var(--primary);
    transition: width 0.3s ease;
    border-radius: 2px;
}

.nav a:hover::after {
    width: 100%;
}

/* Typography & Utils */
h1, h2, h3 {
    line-height: 1.1;
    color: var(--text-primary);
    letter-spacing: -0.02em;
}

.highlight {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    position: relative;
}

.glass-panel {
    background: var(--bg-surface);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 1rem 2rem;
    border-radius: 100px;
    font-weight: 600;
    font-size: 1.125rem;
    text-decoration: none;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    gap: 0.75rem;
    border: none;
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: var(--gradient-primary);
    color: #FFF;
    box-shadow: 0 8px 24px var(--primary-glow);
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: linear-gradient(rgba(255,255,255,0.2), rgba(255,255,255,0));
    opacity: 0;
    transition: opacity 0.3s ease;
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 32px var(--primary-glow);
}

.btn-primary:hover::before {
    opacity: 1;
}

.btn-secondary {
    background: var(--bg-surface);
    color: var(--text-primary);
    border: 1px solid var(--border-light);
}

.btn-secondary:hover {
    background: var(--bg-surface-hover);
    border-color: var(--border-focus);
    transform: translateY(-2px);
}

/* Hero Section */
.hero {
    display: flex;
    align-items: center;
    min-height: 100vh;
    padding-top: 80px;
    gap: 4rem;
}

.hero-text {
    flex: 1;
    animation: fadeInUp 1s cubic-bezier(0.16, 1, 0.3, 1);
}

.hero-text h1 {
    font-size: 4rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
}

.hero-text p {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 2.5rem;
    max-width: 90%;
}

.hero-image {
    flex: 1;
    display: flex;
    justify-content: flex-end;
    animation: float 6s ease-in-out infinite;
}

/* Mobile App Mockup (Premium CSS) */
.mockup-frame {
    width: 340px;
    height: 680px;
    background: #000;
    border: 12px solid #1A1A1D;
    border-radius: 48px;
    padding: 16px;
    box-shadow: 0 30px 60px rgba(0,0,0,0.6), inset 0 0 0 2px rgba(255,255,255,0.1);
    position: relative;
    display: flex;
    flex-direction: column;
    gap: 16px;
    transform: perspective(1000px) rotateY(-15deg) rotateX(5deg);
    transform-style: preserve-3d;
    transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

.mockup-frame::after {
    /* Dynamic reflection */
    content: '';
    position: absolute;
    top: 0; right: 0; bottom: 0; left: 0;
    background: linear-gradient(135deg, rgba(255,255,255,0.1) 0%, rgba(255,255,255,0) 50%);
    border-radius: 36px;
    pointer-events: none;
}

.mockup-frame:hover {
    transform: perspective(1000px) rotateY(0deg) rotateX(0deg);
}

.mockup-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px;
}

.mockup-hero-card {
    background: var(--gradient-primary);
    border-radius: var(--radius-lg);
    padding: 24px;
    color: white;
    box-shadow: 0 10px 20px rgba(0,0,0,0.3);
    position: relative;
    overflow: hidden;
}

.mockup-hero-card::before {
    content: '';
    position: absolute;
    top: -50%; left: -50%; width: 200%; height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 60%);
    opacity: 0.5;
}

.mockup-metrics {
    display: flex;
    gap: 12px;
}

.mockup-metric-card {
    flex: 1;
    background: var(--bg-surface);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    padding: 16px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    font-size: 0.875rem;
    font-weight: 600;
}

.mockup-metric-card.success {
    color: var(--secondary);
}

.mockup-metric-card.error {
    color: var(--error);
}

.mockup-list-item {
    background: var(--bg-surface);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    padding: 16px;
    display: flex;
    align-items: center;
    gap: 16px;
}

.mockup-icon {
    width: 40px;
    height: 40px;
    background: rgba(140, 82, 255, 0.1);
    color: var(--primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.mockup-fab {
    position: absolute;
    bottom: 32px;
    right: 32px;
    width: 56px;
    height: 56px;
    background: var(--primary);
    color: white;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 8px 24px var(--primary-glow);
    animation: pulseGlow 2s infinite;
    z-index: 10;
}

/* Features */
.features {
    padding: 8rem 0;
}

.section-title {
    text-align: center;
    margin-bottom: 5rem;
}

.section-title h2 {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
}

.section-title p {
    color: var(--text-secondary);
    font-size: 1.25rem;
    max-width: 600px;
    margin: 0 auto;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2.5rem;
}

.feature-card {
    padding: 3rem 2rem;
    transition: all 0.4s ease;
    background: var(--bg-surface);
    background-image: var(--gradient-surface);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--border-focus), transparent);
    opacity: 0;
    transition: opacity 0.4s ease;
}

.feature-card:hover {
    transform: translateY(-10px);
    background: var(--bg-surface-hover);
    border-color: var(--border-focus);
    box-shadow: 0 20px 40px rgba(0,0,0,0.4);
}

.feature-card:hover::before {
    opacity: 1;
}

.feature-icon {
    width: 72px;
    height: 72px;
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 2rem;
    background: rgba(140, 82, 255, 0.1);
    color: var(--primary);
    border: 1px solid rgba(140, 82, 255, 0.2);
}

.feature-icon span {
    font-size: 36px;
}

.feature-card h3 {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.feature-card p {
    color: var(--text-secondary);
    font-size: 1.05rem;
}

/* Pro Section */
.pro {
    padding: 6rem 0 10rem;
}

.pro-card {
    background: rgba(20, 20, 22, 0.8);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 215, 0, 0.2);
    border-radius: var(--radius-xl);
    padding: 5rem 4rem;
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
    position: relative;
    overflow: hidden;
    box-shadow: 0 40px 80px rgba(0,0,0,0.5), inset 0 0 0 1px rgba(255,255,255,0.05);
}

.pro-card::before {
    content: '';
    position: absolute;
    top: -50%; left: -50%; width: 200%; height: 200%;
    background: radial-gradient(circle at 50% 0%, rgba(255, 215, 0, 0.15) 0%, transparent 60%);
    pointer-events: none;
}

.pro-content h2 {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    background: linear-gradient(135deg, #FFF 0%, #FFD700 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.pro-content p {
    color: var(--text-secondary);
    font-size: 1.25rem;
    margin-bottom: 3rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.pro-features {
    list-style: none;
    margin-bottom: 4rem;
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 2rem;
}

.pro-features li {
    font-size: 1.125rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    background: rgba(255,255,255,0.05);
    padding: 12px 24px;
    border-radius: 100px;
    border: 1px solid rgba(255,255,255,0.1);
}

.pro-features li span {
    color: var(--pro-gold);
}

.btn-pro {
    background: linear-gradient(135deg, #FFD700 0%, #FFA500 100%);
    color: #000;
    box-shadow: 0 10px 30px rgba(255, 215, 0, 0.3);
}

.btn-pro:hover {
    box-shadow: 0 15px 40px rgba(255, 215, 0, 0.5);
    transform: translateY(-3px);
}

/* Footer */
.footer {
    border-top: 1px solid var(--border-light);
    padding: 4rem 0;
    background: #050505;
}

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

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    margin: 0 1.5rem;
    font-weight: 500;
    transition: color 0.2s ease;
}

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

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

/* Responsive */
@media (max-width: 992px) {
    .hero {
        flex-direction: column;
        text-align: center;
        padding-top: 120px;
    }
    
    .hero-text h1 {
        font-size: 3rem;
    }
    
    .hero-text p {
        margin: 0 auto 2.5rem;
    }
    
    .hero-image {
        justify-content: center;
        margin-top: 2rem;
    }
    
    .mockup-frame {
        transform: none;
    }
    .mockup-frame:hover {
        transform: translateY(-10px);
    }
}

@media (max-width: 768px) {
    .nav {
        display: none;
    }
    
    .pro-card {
        padding: 3rem 2rem;
    }
    
    .pro-content h2 {
        font-size: 2.5rem;
    }
    
    .pro-features {
        flex-direction: column;
        align-items: center;
        gap: 1rem;
    }
}