/* Tripsetta Website Styles - Dark Mode Theme */

/* ===============================================
   VARIABLES & RESET
   =============================================== */
:root {
    /* Dark Mode Gradient Colors - from app screenshots */
    --gradient-dark-blue: #1a2332;
    --gradient-purple: #3d2b54;
    --gradient-magenta: #6b2d5c;
    --gradient-pink: #8b3a62;
    
    /* Brand Colors */
    --primary: #a855f7;        /* Purple accent */
    --secondary: #ec4899;      /* Pink accent */
    --accent-blue: #3b82f6;    /* Blue accent */
    --accent-teal: #14b8a6;    /* Teal accent */
    --accent-orange: #f97316;  /* Orange accent */
    
    /* Background Colors */
    --bg-dark: #0f1419;
    --bg-card: rgba(45, 35, 66, 0.6);
    --bg-card-hover: rgba(55, 45, 86, 0.7);
    
    /* Text Colors */
    --text-primary: #ffffff;
    --text-secondary: rgba(255, 255, 255, 0.7);
    --text-muted: rgba(255, 255, 255, 0.5);
    
    /* UI Element Colors */
    --border-color: rgba(168, 85, 247, 0.2);
    --border-hover: rgba(168, 85, 247, 0.4);
    
    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 3rem;
    --spacing-xl: 4rem;
    
    /* Border Radius */
    --radius-sm: 12px;
    --radius-md: 20px;
    --radius-lg: 24px;
    --radius-xl: 32px;
    --radius-full: 50px;
    
    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);
    
    /* Glassmorphism - Dark Mode */
    --glass-bg: rgba(45, 35, 66, 0.5);
    --glass-border: rgba(168, 85, 247, 0.2);
    --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    background: linear-gradient(135deg, var(--gradient-dark-blue) 0%, var(--gradient-purple) 40%, var(--gradient-magenta) 70%, var(--gradient-pink) 100%);
    background-attachment: fixed;
    min-height: 100vh;
}

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

a {
    text-decoration: none;
    color: inherit;
}

/* ===============================================
   TYPOGRAPHY
   =============================================== */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

h1 {
    font-size: clamp(2rem, 5vw, 3.5rem);
    letter-spacing: -0.02em;
}

h2 {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    letter-spacing: -0.01em;
}

h3 {
    font-size: clamp(1.5rem, 3vw, 2rem);
}

h4 {
    font-size: clamp(1.25rem, 2.5vw, 1.5rem);
}

p {
    font-size: 1.125rem;
    line-height: 1.7;
    margin-bottom: 1rem;
    color: var(--text-secondary);
}

.text-large {
    font-size: 1.5rem;
    line-height: 1.6;
}

.text-small {
    font-size: 0.875rem;
}

/* ===============================================
   LAYOUT
   =============================================== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.container-wide {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

section {
    padding: var(--spacing-xl) 0;
}

/* ===============================================
   NAVIGATION
   =============================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(15, 20, 25, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
}

.navbar.scrolled {
    background: rgba(15, 20, 25, 0.95);
    box-shadow: var(--shadow-md);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem var(--spacing-md);
    max-width: 1400px;
    margin: 0 auto;
}

.logo {
    font-size: 1.75rem;
    font-weight: 700;
    background: linear-gradient(135deg, #a855f7 0%, #ec4899 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: 0.02em;
    font-style: italic;
}

.nav-links {
    display: flex;
    gap: 2rem;
    list-style: none;
    align-items: center;
}

.nav-links a {
    font-weight: 500;
    color: var(--text-secondary);
    transition: color 0.3s ease;
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    transition: width 0.3s ease;
}

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

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

.nav-links a.active {
    color: var(--text-primary);
    font-weight: 600;
}

.nav-cta {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: var(--text-primary) !important;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-full);
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-sm);
}

.nav-cta:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.nav-cta::after {
    display: none;
}

.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--text-primary);
    cursor: pointer;
    padding: 0.5rem;
}

/* ===============================================
   BUTTONS
   =============================================== */
.btn {
    display: inline-block;
    padding: 1rem 2rem;
    font-size: 1.125rem;
    font-weight: 600;
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: all 0.3s ease;
    border: none;
    text-align: center;
    font-family: var(--font-primary);
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: var(--text-primary);
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 40px rgba(168, 85, 247, 0.4);
}

.btn-secondary {
    background: rgba(168, 85, 247, 0.1);
    color: var(--primary);
    border: 2px solid var(--primary);
}

.btn-secondary:hover {
    background: var(--primary);
    color: var(--text-primary);
}

.btn-large {
    padding: 1.25rem 2.5rem;
    font-size: 1.25rem;
}

.btn-icon {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

/* ===============================================
   CARDS
   =============================================== */
.glass-card {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    box-shadow: var(--glass-shadow);
    transition: all 0.3s ease;
}

.glass-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: var(--border-hover);
}

.card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
}

.card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-3px);
    border-color: var(--border-hover);
}

/* ===============================================
   GRID LAYOUTS
   =============================================== */
.grid-2 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-md);
}

.grid-4 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
}

/* ===============================================
   HERO SECTION
   =============================================== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding-top: 80px;
}

.hero-content {
    max-width: 900px;
    margin: 0 auto;
}

.hero h1 {
    margin-bottom: var(--spacing-md);
    font-weight: 800;
}

.hero .tagline {
    font-size: 1.5rem;
    font-weight: 600;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--spacing-sm);
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.hero p {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-lg);
    color: var(--text-secondary);
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* ===============================================
   FEATURE ICONS
   =============================================== */
.feature-icon {
    width: 80px;
    height: 80px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    margin-bottom: var(--spacing-sm);
    background: rgba(168, 85, 247, 0.15);
    border: 1px solid rgba(168, 85, 247, 0.3);
}

.feature-icon.purple {
    background: rgba(168, 85, 247, 0.15);
    border: 1px solid rgba(168, 85, 247, 0.3);
}

.feature-icon.pink {
    background: rgba(236, 72, 153, 0.15);
    border: 1px solid rgba(236, 72, 153, 0.3);
}

.feature-icon.blue {
    background: rgba(59, 130, 246, 0.15);
    border: 1px solid rgba(59, 130, 246, 0.3);
}

.feature-icon.green {
    background: rgba(20, 184, 166, 0.15);
    border: 1px solid rgba(20, 184, 166, 0.3);
}

.feature-icon.yellow {
    background: rgba(249, 115, 22, 0.15);
    border: 1px solid rgba(249, 115, 22, 0.3);
}

/* ===============================================
   SCREENSHOT SECTIONS
   =============================================== */
.screenshot-section {
    display: flex;
    gap: var(--spacing-lg);
    align-items: center;
    margin: var(--spacing-lg) 0;
}

.screenshot-section.reverse {
    flex-direction: row-reverse;
}

.screenshot-content {
    flex: 1;
}

.screenshot-image {
    flex: 1;
    display: flex;
    justify-content: center;
}

.screenshot-image img {
    max-width: 400px;
    border-radius: var(--radius-xl);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
    border: 1px solid rgba(168, 85, 247, 0.2);
}

/* ===============================================
   PRICING CARDS
   =============================================== */
.pricing-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.pricing-card {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 2px solid var(--glass-border);
    border-radius: var(--radius-xl);
    padding: var(--spacing-lg);
    text-align: center;
    transition: all 0.3s ease;
    position: relative;
}

.pricing-card.featured {
    border-color: var(--primary);
    transform: scale(1.05);
    box-shadow: 0 20px 60px rgba(168, 85, 247, 0.3);
}

.pricing-card:hover {
    transform: translateY(-5px) scale(1.02);
    box-shadow: var(--shadow-lg);
}

.pricing-card.featured:hover {
    transform: translateY(-5px) scale(1.07);
}

.pricing-badge {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: var(--text-primary);
    padding: 0.5rem 1.5rem;
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 600;
    box-shadow: var(--shadow-sm);
}

.pricing-card h3 {
    font-size: 1.75rem;
    margin-bottom: var(--spacing-sm);
}

.pricing-price {
    font-size: 3rem;
    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(--spacing-sm);
}

.pricing-price span {
    font-size: 1.25rem;
    font-weight: 400;
    color: var(--text-secondary);
}

.pricing-features {
    list-style: none;
    margin: var(--spacing-md) 0;
    text-align: left;
}

.pricing-features li {
    padding: 0.75rem 0;
    border-bottom: 1px solid rgba(168, 85, 247, 0.1);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-secondary);
}

.pricing-features li::before {
    content: '✓';
    color: var(--primary);
    font-weight: 700;
    font-size: 1.25rem;
}

/* ===============================================
   FORMS
   =============================================== */
.form-group {
    margin-bottom: var(--spacing-md);
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--text-primary);
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 1rem;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-sm);
    font-family: var(--font-primary);
    font-size: 1rem;
    background: rgba(15, 20, 25, 0.5);
    color: var(--text-primary);
    transition: all 0.3s ease;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--text-muted);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(168, 85, 247, 0.2);
    background: rgba(15, 20, 25, 0.7);
}

.form-group textarea {
    resize: vertical;
    min-height: 150px;
}

/* ===============================================
   FOOTER
   =============================================== */
.footer {
    background: rgba(15, 20, 25, 0.95);
    color: var(--text-secondary);
    padding: var(--spacing-xl) 0 var(--spacing-md);
    margin-top: var(--spacing-xl);
    border-top: 1px solid var(--border-color);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.footer-section h4 {
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 0.5rem;
}

.footer-section a {
    color: var(--text-secondary);
    transition: color 0.3s ease;
}

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

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--border-color);
    color: var(--text-muted);
}

/* ===============================================
   UTILITIES
   =============================================== */
.text-center {
    text-align: center;
}

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

.mt-1 { margin-top: var(--spacing-sm); }
.mt-2 { margin-top: var(--spacing-md); }
.mt-3 { margin-top: var(--spacing-lg); }
.mt-4 { margin-top: var(--spacing-xl); }

.mb-1 { margin-bottom: var(--spacing-sm); }
.mb-2 { margin-bottom: var(--spacing-md); }
.mb-3 { margin-bottom: var(--spacing-lg); }
.mb-4 { margin-bottom: var(--spacing-xl); }

/* ===============================================
   TOOLTIPS
   =============================================== */
.feature-tooltip {
    position: relative;
    cursor: help;
}

.feature-tooltip::after {
    content: attr(data-tooltip);
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(-10px);
    background: rgba(15, 20, 25, 0.95);
    backdrop-filter: blur(20px);
    color: var(--text-primary);
    padding: 0.75rem 1rem;
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    font-weight: 500;
    line-height: 1.4;
    white-space: normal;
    width: 280px;
    max-width: 90vw;
    text-align: left;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease, transform 0.3s ease;
    z-index: 1000;
    border: 1px solid var(--border-color);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.5);
}

.feature-tooltip::before {
    content: '';
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(2px);
    border: 8px solid transparent;
    border-top-color: rgba(15, 20, 25, 0.95);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
    z-index: 1001;
}

.feature-tooltip:hover::after,
.feature-tooltip:hover::before {
    opacity: 1;
    transform: translateX(-50%) translateY(-5px);
}

.feature-tooltip:hover::before {
    transform: translateX(-50%) translateY(7px);
}

/* ===============================================
   RESPONSIVE DESIGN
   =============================================== */
@media (max-width: 768px) {
    .nav-links {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background: rgba(15, 20, 25, 0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        padding: 2rem;
        gap: 1rem;
        transform: translateX(-100%);
        transition: transform 0.3s ease;
        box-shadow: var(--shadow-lg);
        border-bottom: 1px solid var(--border-color);
    }

    .nav-links.active {
        transform: translateX(0);
    }

    .mobile-menu-toggle {
        display: block;
    }

    .hero {
        padding-top: 100px;
        min-height: auto;
        padding-bottom: var(--spacing-xl);
    }

    .hero-buttons {
        flex-direction: column;
        align-items: stretch;
    }

    .screenshot-section,
    .screenshot-section.reverse {
        flex-direction: column;
    }

    .pricing-card.featured {
        transform: scale(1);
    }

    h1 {
        font-size: 2rem;
    }

    h2 {
        font-size: 1.75rem;
    }

    .hero .tagline {
        font-size: 1.125rem;
    }

    .hero p {
        font-size: 1.125rem;
    }
}

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

.fade-in-up {
    animation: fadeInUp 0.6s ease-out;
}

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

.float {
    animation: float 3s ease-in-out infinite;
}

/* ===============================================
   ACCESSIBILITY
   =============================================== */
.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

:focus-visible {
    outline: 3px solid var(--primary);
    outline-offset: 2px;
}

/* ===============================================
   PRINT STYLES
   =============================================== */
@media print {
    .navbar,
    .footer,
    .btn {
        display: none;
    }
}