/* ===============================================
   AffirmHer Landing Page Styles
   Following the app's design system
   =============================================== */

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: #1D1D1F;
    background-color: #FFFFFF;
    overflow-x: hidden;
}

/* ===============================================
   Design System Variables
   =============================================== */
:root {
    /* Primary Colors (from DesignTokens.swift) */
    --primary: #8B5FBF;
    --primary-light: #B794F6;
    --secondary: #6B73FF;
    --secondary-light: #9BB5FF;
    --accent: #00A693;
    --accent-light: #4FD1C7;
    
    /* Category Colors */
    --confidence: #8B5FBF;
    --healing: #6B73FF;
    --calm: #00A693;
    --boundaries: #FF8A50;
    --self-love: #FF6B9D;
    --growth: #00C896;
    
    /* Background Colors */
    --bg-primary: #FFFFFF;
    --bg-secondary: #F8F7FF;
    --bg-tertiary: #F2F1F8;
    
    /* Text Colors */
    --text-primary: #1D1D1F;
    --text-secondary: #86868B;
    --text-tertiary: #C7C7CC;
    
    /* Border & Surface */
    --border: #E5E5EA;
    --surface: #FFFFFF;
    --card-shadow: 0 6px 12px rgba(0, 0, 0, 0.10);
    --small-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
    --medium-shadow: 0 4px 8px rgba(0, 0, 0, 0.12);
    
    /* Spacing (8pt base grid) */
    --space-xs: 0.25rem;   /* 4px */
    --space-sm: 0.5rem;    /* 8px */
    --space-md: 0.75rem;   /* 12px */
    --space-lg: 1rem;      /* 16px */
    --space-xl: 1.5rem;    /* 24px */
    --space-xxl: 2rem;     /* 32px */
    --space-3xl: 3rem;     /* 48px */
    --space-4xl: 4rem;     /* 64px */
    --space-5xl: 6rem;     /* 96px */
    
    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 20px;
    --radius-xxl: 24px;
    --radius-pill: 50px;
    
    /* Typography Scale */
    --text-xs: 0.75rem;    /* 12px */
    --text-sm: 0.875rem;   /* 14px */
    --text-base: 1rem;     /* 16px */
    --text-lg: 1.125rem;   /* 18px */
    --text-xl: 1.25rem;    /* 20px */
    --text-2xl: 1.5rem;    /* 24px */
    --text-3xl: 1.875rem;  /* 30px */
    --text-4xl: 2.25rem;   /* 36px */
    --text-5xl: 3rem;      /* 48px */
    --text-6xl: 3.75rem;   /* 60px */
    
    /* Transitions */
    --transition-fast: 0.15s ease-out;
    --transition-medium: 0.3s ease-out;
    --transition-slow: 0.5s ease-out;
}

/* ===============================================
   Typography
   =============================================== */
.gradient-text {
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 50%, var(--accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: inline-block;
}

/* ===============================================
   Layout Components
   =============================================== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

.section-header {
    text-align: center;
    margin-bottom: var(--space-5xl);
}

.section-title {
    font-size: var(--text-4xl);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--space-lg);
    line-height: 1.2;
}

.section-description {
    font-size: var(--text-lg);
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.6;
}

/* ===============================================
   Navigation
   =============================================== */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    z-index: 1000;
    transition: var(--transition-medium);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.logo-text {
    font-size: var(--text-2xl);
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: var(--space-xl);
}

.nav-link {
    text-decoration: none;
    color: var(--text-primary);
    font-weight: 500;
    font-size: var(--text-base);
    transition: var(--transition-fast);
    position: relative;
}

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

.nav-link.cta-button {
    background: var(--primary);
    color: white;
    padding: var(--space-sm) var(--space-lg);
    border-radius: var(--radius-pill);
    transition: var(--transition-fast);
}

.nav-link.cta-button:hover {
    background: var(--primary-light);
    transform: translateY(-1px);
    box-shadow: var(--small-shadow);
    color: white;
}

/* ===============================================
   Hero Section
   =============================================== */
.hero {
    padding: calc(70px + var(--space-5xl)) var(--space-lg) var(--space-5xl);
    background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(ellipse at top left, rgba(139, 95, 191, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-5xl);
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-badge {
    display: inline-block;
    background: rgba(139, 95, 191, 0.1);
    color: var(--primary);
    padding: var(--space-sm) var(--space-lg);
    border-radius: var(--radius-pill);
    font-size: var(--text-sm);
    font-weight: 600;
    margin-bottom: var(--space-xl);
    border: 1px solid rgba(139, 95, 191, 0.2);
}

.hero-title {
    font-size: var(--text-6xl);
    font-weight: 800;
    line-height: 1.1;
    color: var(--text-primary);
    margin-bottom: var(--space-xl);
}

.hero-description {
    font-size: var(--text-xl);
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: var(--space-xxl);
    max-width: 500px;
}

.hero-buttons {
    display: flex;
    gap: var(--space-lg);
    align-items: center;
}

.primary-button {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    background: var(--primary);
    color: white;
    text-decoration: none;
    padding: var(--space-lg) var(--space-xxl);
    border-radius: var(--radius-lg);
    font-weight: 600;
    font-size: var(--text-base);
    transition: var(--transition-fast);
    box-shadow: var(--medium-shadow);
}

.primary-button:hover {
    background: var(--primary-light);
    transform: translateY(-2px);
    box-shadow: 0 8px 16px rgba(139, 95, 191, 0.3);
}

.button-icon {
    width: 20px;
    height: 20px;
}

.secondary-button {
    display: inline-flex;
    align-items: center;
    color: var(--primary);
    text-decoration: none;
    padding: var(--space-lg) var(--space-xxl);
    border: 2px solid var(--primary);
    border-radius: var(--radius-lg);
    font-weight: 600;
    font-size: var(--text-base);
    transition: var(--transition-fast);
    background: transparent;
}

.secondary-button:hover {
    background: var(--primary);
    color: white;
    transform: translateY(-1px);
}

/* ===============================================
   Hero Visual (Phone Mockup)
   =============================================== */
.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}



.app-screenshot {
    max-width: 300px;
    width: 100%;
    height: auto;
    animation: float 6s ease-in-out infinite;
    transition: transform 0.3s ease;
}





.app-screenshot:hover {
    transform: translateY(-5px);
}

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

/* ===============================================
   Features Section
   =============================================== */
.features {
    padding: var(--space-5xl) var(--space-lg);
    background: var(--bg-primary);
}

.features-container {
    max-width: 1200px;
    margin: 0 auto;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--space-xxl);
}

.feature-card {
    background: white;
    border-radius: var(--radius-xl);
    padding: var(--space-xxl);
    box-shadow: var(--small-shadow);
    transition: var(--transition-medium);
    border: 1px solid var(--border);
}

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

.feature-icon {
    width: 60px;
    height: 60px;
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--space-lg);
    font-size: var(--text-xl);
}

.feature-icon.confidence { background: rgba(139, 95, 191, 0.1); }
.feature-icon.healing { background: rgba(107, 115, 255, 0.1); }
.feature-icon.calm { background: rgba(0, 166, 147, 0.1); }
.feature-icon.boundaries { background: rgba(255, 138, 80, 0.1); }
.feature-icon.self-love { background: rgba(255, 107, 157, 0.1); }
.feature-icon.growth { background: rgba(0, 200, 150, 0.1); }

.feature-title {
    font-size: var(--text-xl);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--space-md);
    line-height: 1.3;
}

.feature-description {
    color: var(--text-secondary);
    line-height: 1.6;
    font-size: var(--text-base);
}

/* ===============================================
   Categories Section
   =============================================== */
.categories {
    padding: var(--space-5xl) var(--space-lg);
    background: var(--bg-secondary);
}

.categories-container {
    max-width: 1200px;
    margin: 0 auto;
}

.categories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-xl);
}

.category-item {
    background: white;
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    transition: var(--transition-medium);
    border: 1px solid var(--border);
}

.category-item:hover {
    transform: translateY(-2px);
    box-shadow: var(--medium-shadow);
}

.category-header {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    margin-bottom: var(--space-md);
}

.category-header.confidence { color: var(--confidence); }
.category-header.healing { color: var(--healing); }
.category-header.calm { color: var(--calm); }
.category-header.boundaries { color: var(--boundaries); }
.category-header.self-love { color: var(--self-love); }
.category-header.growth { color: var(--growth); }
/* New categories */
.category-header.mental_health { color: #9B59B6; }
.category-header.career { color: #E67E22; }
.category-header.leadership { color: #C0392B; }
.category-header.relationships { color: #E91E63; }

.category-icon {
    font-size: var(--text-xl);
}

.category-title {
    font-size: var(--text-lg);
    font-weight: 700;
    margin: 0;
}

.category-description {
    color: var(--text-secondary);
    line-height: 1.5;
}

/* ===============================================
   About Section
   =============================================== */
.about {
    padding: var(--space-5xl) var(--space-lg);
    background: var(--bg-primary);
}

.about-container {
    max-width: 1000px;
    margin: 0 auto;
}

.about-title {
    font-size: var(--text-4xl);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--space-xl);
    text-align: center;
}

.about-description {
    font-size: var(--text-lg);
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: var(--space-xl);
    text-align: center;
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-xxl);
    margin-top: var(--space-4xl);
}

.stat {
    text-align: center;
}

.stat-number {
    font-size: var(--text-4xl);
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--space-sm);
}

.stat-label {
    color: var(--text-secondary);
    font-weight: 500;
    font-size: var(--text-base);
}

/* ===============================================
   Download Section
   =============================================== */
.download {
    padding: var(--space-5xl) var(--space-lg);
    background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-tertiary) 100%);
    position: relative;
    overflow: hidden;
}

.download::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(ellipse at bottom right, rgba(107, 115, 255, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.download-container {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
    position: relative;
    z-index: 1;
}

.download-title {
    font-size: var(--text-4xl);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--space-lg);
}

.download-description {
    font-size: var(--text-lg);
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: var(--space-xxl);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.app-store-button {
    display: inline-flex;
    align-items: center;
    gap: var(--space-md);
    background: #000;
    color: white;
    text-decoration: none;
    padding: var(--space-lg) var(--space-xxl);
    border-radius: var(--radius-lg);
    transition: var(--transition-fast);
    margin-bottom: var(--space-lg);
}

.app-store-button:hover {
    background: #333;
    transform: translateY(-2px);
    box-shadow: var(--medium-shadow);
}

.store-icon {
    width: 32px;
    height: 32px;
}

.store-text {
    text-align: left;
}

.store-subtitle {
    font-size: var(--text-xs);
    opacity: 0.8;
    line-height: 1;
}

.store-title {
    font-size: var(--text-lg);
    font-weight: 600;
    line-height: 1;
}

.download-note {
    color: var(--text-secondary);
    font-size: var(--text-sm);
    margin-top: var(--space-lg);
}

/* ===============================================
   Footer
   =============================================== */
.footer {
    background: var(--text-primary);
    color: white;
    padding: var(--space-4xl) var(--space-lg) var(--space-xxl);
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: var(--space-4xl);
    margin-bottom: var(--space-xxl);
}

.footer-logo {
    font-size: var(--text-2xl);
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary-light), var(--secondary-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--space-sm);
}

.footer-tagline {
    color: rgba(255, 255, 255, 0.7);
    font-size: var(--text-base);
}

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

.footer-heading {
    font-size: var(--text-base);
    font-weight: 600;
    margin-bottom: var(--space-lg);
    color: white;
}

.footer-link {
    display: block;
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    margin-bottom: var(--space-sm);
    transition: var(--transition-fast);
    font-size: var(--text-sm);
}

.footer-link:hover {
    color: var(--primary-light);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: var(--space-xl);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-copyright,
.footer-note {
    color: rgba(255, 255, 255, 0.6);
    font-size: var(--text-sm);
}

.footer-developer {
    color: rgba(255, 255, 255, 0.4);
    font-size: var(--text-xs);
    margin: 0.25rem 0 0;
    opacity: 0.8;
    font-weight: 400;
}

/* ===============================================
   Responsive Design
   =============================================== */
@media (max-width: 1024px) {
    .hero-container {
        grid-template-columns: 1fr;
        gap: var(--space-3xl);
        text-align: center;
    }
    
    .hero-visual {
        order: -1;
    }
    
    .phone-mockup {
        width: 250px;
        height: 510px;
    }
}

@media (max-width: 768px) {
    :root {
        --text-6xl: 2.5rem;
        --text-4xl: 1.875rem;
        --text-3xl: 1.5rem;
    }
    
    .nav-container {
        padding: 0 var(--space-md);
    }
    
    .nav-links {
        gap: var(--space-md);
    }
    
    .nav-link.cta-button {
        padding: var(--space-xs) var(--space-md);
        font-size: var(--text-sm);
    }
    
    .hero {
        padding: calc(70px + var(--space-3xl)) var(--space-md) var(--space-3xl);
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: stretch;
        gap: var(--space-md);
    }
    
    .features,
    .categories,
    .about,
    .download {
        padding: var(--space-3xl) var(--space-md);
    }
    
    .features-grid,
    .categories-grid {
        grid-template-columns: 1fr;
        gap: var(--space-lg);
    }
    
    .about-stats {
        grid-template-columns: 1fr;
        gap: var(--space-xl);
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: var(--space-xxl);
    }
    
    .footer-links {
        grid-template-columns: 1fr;
        gap: var(--space-xl);
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: var(--space-sm);
        text-align: center;
    }
    
    .phone-mockup {
        width: 220px;
        height: 450px;
    }
}

@media (max-width: 480px) {
    .nav-links {
        display: none;
    }
    
    .hero-title {
        font-size: var(--text-4xl);
    }
    
    .hero-description {
        font-size: var(--text-base);
    }
    
    .section-title {
        font-size: var(--text-3xl);
    }
    
    .phone-mockup {
        width: 200px;
        height: 410px;
    }
    
    .affirmation-card {
        padding: var(--space-lg);
    }
    
    .affirmation-text {
        font-size: var(--text-base);
    }
}

/* ===============================================
   Accessibility & Performance
   =============================================== */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    html {
        scroll-behavior: auto;
    }
}

@media (prefers-color-scheme: dark) {
    /* Future dark mode support */
}

/* Focus states for accessibility */
*:focus {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    :root {
        --text-secondary: #000;
        --border: #000;
    }
}