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

:root {
    /* Brand Colors */
    --primary: #6C5CE7;
    --primary-hover: #5A4AD3;
    --secondary: #1DD1A1;
    --error: #EE5253;
    
    /* Backgrounds & Surfaces */
    --bg-base: #F8FAFC; /* Slightly cool gray/white for modern feel */
    --bg-surface: #FFFFFF;
    
    /* Typography */
    --text-primary: #0F172A;
    --text-secondary: #475569;
    --text-muted: #94A3B8;
    
    /* Borders */
    --border-light: #E2E8F0;
    --border-strong: #CBD5E1;
    
    /* Radii */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 24px;
    --radius-xl: 32px;

    /* Soft Premium Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -1px rgba(0, 0, 0, 0.03);
    --shadow-lg: 0 10px 25px -5px rgba(0, 0, 0, 0.05), 0 8px 10px -6px rgba(0, 0, 0, 0.01);
    --shadow-float: 0 20px 40px -10px rgba(0, 0, 0, 0.08);
}

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

body {
    font-family: 'Inter', -apple-system, sans-serif;
    background-color: var(--bg-base);
    color: var(--text-primary);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

.container {
    max-width: 1140px;
    margin: 0 auto;
    padding: 0 2rem;
}

.material-symbols-outlined {
    font-variation-settings: 'FILL' 1, 'wght' 400, 'GRAD' 0, 'opsz' 24;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

/* Typography */
h1, h2, h3, h4 {
    color: var(--text-primary);
    font-weight: 700;
    letter-spacing: -0.03em;
    line-height: 1.2;
}

h1 {
    font-size: 4rem;
    font-weight: 800;
    letter-spacing: -0.04em;
}

h2 {
    font-size: 2.5rem;
}

h3 {
    font-size: 1.25rem;
}

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

/* Header */
.header {
    width: 100%;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-light);
    position: sticky;
    top: 0;
    z-index: 50;
    padding: 1rem 0;
}

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

.logo-area {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    text-decoration: none;
    color: var(--text-primary);
    font-weight: 700;
    font-size: 1.5rem;
    letter-spacing: -0.02em;
}

.logo-dot {
    width: 8px;
    height: 8px;
    background-color: var(--primary);
    border-radius: 50%;
}

.nav {
    display: flex;
    gap: 2rem;
    align-items: center;
}

.nav a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9375rem;
    font-weight: 500;
    transition: color 0.2s ease;
}

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

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-sm);
    font-size: 0.9375rem;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid transparent;
    cursor: pointer;
    gap: 0.5rem;
}

.btn-primary {
    background-color: var(--primary);
    color: #FFFFFF;
    box-shadow: 0 4px 14px 0 rgba(108, 92, 231, 0.39);
}

.btn-primary:hover {
    background-color: var(--primary-hover);
    transform: translateY(-1px);
    box-shadow: 0 6px 20px rgba(108, 92, 231, 0.23);
}

.btn-outline {
    background-color: var(--bg-surface);
    color: var(--text-primary);
    border-color: var(--border-light);
    box-shadow: var(--shadow-sm);
}

.btn-outline:hover {
    border-color: var(--border-strong);
    background-color: #F8FAFC;
}

/* Hero Wrapper for Background Effects */
.hero-wrapper {
    position: relative;
    overflow: hidden;
    background-color: var(--bg-base);
}

.hero-wrapper::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background-image: 
        radial-gradient(circle at 50% 30%, rgba(108, 92, 231, 0.08) 0%, transparent 40%),
        radial-gradient(circle at 60% 40%, rgba(29, 209, 161, 0.05) 0%, transparent 40%);
    z-index: 0;
    pointer-events: none;
}

.hero-wrapper::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: linear-gradient(rgba(226, 232, 240, 0.4) 1px, transparent 1px),
                      linear-gradient(90deg, rgba(226, 232, 240, 0.4) 1px, transparent 1px);
    background-size: 40px 40px;
    z-index: 0;
    pointer-events: none;
    mask-image: radial-gradient(circle at 50% 30%, black 10%, transparent 70%);
    -webkit-mask-image: radial-gradient(circle at 50% 30%, black 10%, transparent 70%);
}

/* Hero Section */
.hero {
    position: relative;
    z-index: 1;
    padding: 8rem 0 6rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

/* Announcement Pill */
.announcement-pill {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.35rem 1rem 0.35rem 0.35rem;
    background-color: #FFFFFF;
    border: 1px solid var(--border-light);
    border-radius: 9999px;
    color: var(--text-secondary);
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: 2.5rem;
    box-shadow: var(--shadow-sm);
    transition: all 0.2s ease;
}

.announcement-pill:hover {
    box-shadow: var(--shadow-md);
    border-color: var(--border-strong);
}

.announcement-pill .badge {
    background-color: var(--primary);
    color: #FFF;
    padding: 0.125rem 0.6rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.hero h1 {
    max-width: 900px;
    margin-bottom: 1.5rem;
}

.hero .highlight {
    color: var(--primary);
}

.hero p {
    font-size: 1.25rem;
    max-width: 600px;
    margin-bottom: 2.5rem;
    line-height: 1.7;
}

.hero-actions {
    display: flex;
    gap: 1rem;
    margin-bottom: 2.5rem;
}

/* Social Proof */
.social-proof {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
}

.stars {
    color: #FBBF24;
    font-size: 1.25rem;
    letter-spacing: 0.1em;
}

.social-text {
    font-size: 0.875rem;
    color: var(--text-secondary);
    font-weight: 500;
}

/* Mockup Container (Modern SaaS Style) */
.mockup-wrapper {
    position: relative;
    width: 100%;
    max-width: 900px;
    margin: 4rem auto 0;
}

.mockup-container {
    width: 100%;
    background-color: var(--bg-surface);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-float);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    position: relative;
    z-index: 2;
}

/* Floating Elements */
.floating-card {
    position: absolute;
    background: #FFF;
    border: 1px solid var(--border-light);
    border-radius: var(--radius-sm);
    padding: 1rem;
    box-shadow: var(--shadow-md);
    display: flex;
    align-items: center;
    gap: 0.75rem;
    z-index: 3;
    animation: float 6s ease-in-out infinite;
}

.floating-card-1 {
    top: 15%;
    left: -5%;
    animation-delay: 0s;
}

.floating-card-2 {
    bottom: 25%;
    right: -5%;
    animation-delay: 2s;
}

.floating-icon {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

@keyframes float {
    0% { transform: translateY(0px); }
    50% { transform: translateY(-15px); }
    100% { transform: translateY(0px); }
}

.mockup-header {
    padding: 1rem 1.5rem;
    border-bottom: 1px solid var(--border-light);
    display: flex;
    align-items: center;
    gap: 0.75rem;
    background-color: #F8FAFC;
}

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

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background-color: var(--border-strong);
}

.dot:nth-child(1) { background-color: #FF5F56; }
.dot:nth-child(2) { background-color: #FFBD2E; }
.dot:nth-child(3) { background-color: #27C93F; }

.mockup-body {
    padding: 2.5rem;
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 2.5rem;
    text-align: left;
    background-color: #FFFFFF;
}

.metric-card {
    padding: 1.5rem;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-light);
    box-shadow: var(--shadow-sm);
    background-color: var(--bg-surface);
}

.metric-card-primary {
    background: linear-gradient(135deg, #F3E8FF 0%, #FFFFFF 100%);
    border-color: #E9D5FF;
}

.metric-card-success {
    background: linear-gradient(135deg, #D1FAE5 0%, #FFFFFF 100%);
    border-color: #A7F3D0;
}

/* Sections */
.section {
    padding: 8rem 0;
}

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

.section-header h2 {
    margin-bottom: 1.5rem;
}

.section-header p {
    font-size: 1.25rem;
    max-width: 600px;
    margin: 0 auto;
}

/* Features Grid */
.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2.5rem;
}

.feature-item {
    background-color: var(--bg-surface);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    padding: 2.5rem;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
}

.feature-item:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

.feature-icon {
    width: 56px;
    height: 56px;
    border-radius: var(--radius-md);
    background-color: #F3E8FF;
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.feature-icon.success {
    background-color: #D1FAE5;
    color: var(--secondary);
}

.feature-icon.info {
    background-color: #E0F2FE;
    color: #0EA5E9;
}

.feature-item h3 {
    margin-bottom: 1rem;
}

.feature-item p {
    font-size: 1rem;
    line-height: 1.6;
}

/* Pro Tier */
.pro-card {
    background: linear-gradient(135deg, #0F172A 0%, #1E293B 100%);
    border-radius: var(--radius-xl);
    padding: 5rem 4rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: #FFFFFF;
    box-shadow: var(--shadow-lg);
}

.pro-details h3 {
    font-size: 2.5rem;
    color: #FFFFFF;
    margin-bottom: 1rem;
}

.pro-details p {
    color: #94A3B8;
    font-size: 1.125rem;
    max-width: 500px;
}

.btn-white {
    background-color: #FFFFFF;
    color: #0F172A;
}

.btn-white:hover {
    background-color: #F8FAFC;
    transform: translateY(-2px);
    box-shadow: 0 10px 15px -3px rgba(0,0,0,0.3);
}

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

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

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

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9375rem;
}

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

/* Responsive */
@media (max-width: 992px) {
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .mockup-body {
        grid-template-columns: 1fr;
    }
    
    .pro-card {
        flex-direction: column;
        align-items: flex-start;
        gap: 3rem;
        padding: 3rem 2rem;
    }
    
    .hero h1 {
        font-size: 3rem;
    }
    
    .nav {
        display: none;
    }
}