/* ===================================
   Circle - Dark Theme Landing Page
   Based on Headway + Bears Design System
   =================================== */

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

:root {
    /* Primary Colors */
    --primary-500: #6C63FF;
    --primary-400: #8B83FF;
    --primary-600: #5349E6;
    --primary-700: #3F35CC;

    /* Secondary */
    --secondary-500: #FF9066;
    --secondary-400: #FFB091;
    --secondary-600: #FF7745;

    /* Accent */
    --accent-500: #FFB4D6;
    --accent-400: #FFCCE5;
    --accent-600: #FF9CC4;

    /* Dark Mode Colors */
    --bg-primary: #1A1625;
    --bg-surface: #2A233A;
    --bg-surface-variant: #3A3048;
    --border-color: #4A3F58;

    /* Text Colors */
    --text-primary: #F9FAFB;
    --text-secondary: #D1D5DB;
    --text-disabled: #6B7280;

    /* Personality Type Gradients */
    --gaslighter-start: #DC143C;
    --gaslighter-end: #8B008B;

    --narcissist-start: #FFB020;
    --narcissist-end: #FF8C00;

    --control-freak-start: #8B5CF6;
    --control-freak-end: #6D28D9;

    --avoidant-start: #94A3B8;
    --avoidant-end: #64748B;

    --people-pleaser-start: #FBBF24;
    --people-pleaser-end: #F59E0B;

    --victim-start: #06B6D4;
    --victim-end: #0891B2;

    --love-bomber-start: #EC4899;
    --love-bomber-end: #DB2777;

    --toxic-positivity-start: #10B981;
    --toxic-positivity-end: #34D399;

    /* Spacing */
    --space-xs: 4px;
    --space-sm: 8px;
    --space-md: 12px;
    --space-lg: 16px;
    --space-xl: 20px;
    --space-2xl: 24px;
    --space-3xl: 32px;
    --space-4xl: 48px;
    --space-5xl: 64px;

    /* Border Radius */
    --radius-sm: 12px;
    --radius-md: 16px;
    --radius-lg: 20px;
    --radius-xl: 24px;
    --radius-full: 999px;

    /* 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);
}

/* Typography - DM Sans & Inter */
body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6, .btn, button {
    font-family: 'DM Sans', -apple-system, BlinkMacSystemFont, sans-serif;
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-2xl);
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(26, 22, 37, 0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
}

.nav-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-lg) 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    font-family: 'DM Sans', sans-serif;
    font-weight: 700;
    font-size: 24px;
    color: var(--text-primary);
}

.logo-icon {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    object-fit: contain;
}

.nav-links {
    display: flex;
    gap: var(--space-3xl);
    align-items: center;
}

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-family: 'DM Sans', sans-serif;
    font-weight: 500;
    transition: color 0.3s ease;
}

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

.nav-cta {
    padding: var(--space-md) var(--space-2xl);
    background: linear-gradient(135deg, var(--primary-500), var(--primary-700));
    border-radius: var(--radius-sm);
    color: white !important;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.nav-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(108, 99, 255, 0.4);
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--space-sm);
    z-index: 1001;
}

.mobile-menu-toggle span {
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    transition: all 0.3s ease;
    border-radius: 2px;
}

.mobile-menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
}

.mobile-menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
}

/* Mobile Menu */
.mobile-menu {
    display: none;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: rgba(26, 22, 37, 0.98);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    padding: var(--space-2xl);
    gap: var(--space-lg);
    transform: translateY(-100%);
    opacity: 0;
    pointer-events: none;
    transition: transform 0.3s ease, opacity 0.3s ease;
}

.mobile-menu.active {
    transform: translateY(0);
    opacity: 1;
    pointer-events: all;
}

.mobile-menu a {
    color: var(--text-secondary);
    text-decoration: none;
    font-family: 'DM Sans', sans-serif;
    font-weight: 500;
    font-size: 18px;
    padding: var(--space-md) 0;
    transition: color 0.3s ease, padding-left 0.3s ease;
}

.mobile-menu a:hover {
    color: var(--text-primary);
    padding-left: var(--space-md);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    padding-top: 100px;
    overflow: hidden;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-5xl);
    align-items: center;
    position: relative;
    z-index: 2;
}

.hero-content {
    animation: fadeInUp 0.8s ease-out;
}

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

.hero-badge {
    display: inline-block;
    padding: var(--space-sm) var(--space-lg);
    background: rgba(108, 99, 255, 0.1);
    border: 1px solid rgba(108, 99, 255, 0.3);
    border-radius: var(--radius-full);
    color: var(--primary-400);
    font-size: 14px;
    font-weight: 600;
    margin-bottom: var(--space-2xl);
}

.hero-title {
    font-size: 64px;
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: var(--space-2xl);
    letter-spacing: -1px;
}

.gradient-text {
    background: linear-gradient(135deg, var(--primary-400), var(--accent-500));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 18px;
    line-height: 1.6;
    color: var(--text-secondary);
    margin-bottom: var(--space-3xl);
    max-width: 500px;
}

.hero-stats {
    display: flex;
    gap: var(--space-3xl);
    margin-bottom: var(--space-4xl);
}

.stat {
    text-align: center;
}

.stat-number {
    font-family: 'DM Sans', sans-serif;
    font-size: 48px;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary-400), var(--accent-500));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
    margin-bottom: var(--space-sm);
}

.stat-label {
    font-size: 14px;
    color: var(--text-secondary);
}

/* Download Buttons */
.download-buttons {
    display: flex;
    gap: var(--space-lg);
    flex-wrap: wrap;
}

.download-btn {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: 16px 24px;
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    text-decoration: none;
    transition: all 0.3s ease;
    cursor: pointer;
}

.download-btn:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-500);
}

.download-btn svg {
    flex-shrink: 0;
}

.download-btn div {
    display: flex;
    flex-direction: column;
    text-align: left;
}

.download-btn .small {
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-secondary);
}

.download-btn .large {
    font-size: 16px;
    font-weight: 600;
    font-family: 'DM Sans', sans-serif;
}

/* Hero Visual - Bubble Container */
.hero-visual {
    position: relative;
    height: 600px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.bubble-container {
    position: relative;
    width: 100%;
    height: 100%;
}

/* Animated Gradient Orbs (Background) */
.gradient-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.3;
    animation: float 8s ease-in-out infinite;
    pointer-events: none;
}

.orb-1 {
    width: 400px;
    height: 400px;
    background: linear-gradient(135deg, var(--primary-500), var(--primary-700));
    top: -100px;
    right: -100px;
    animation-delay: 0s;
}

.orb-2 {
    width: 300px;
    height: 300px;
    background: linear-gradient(135deg, var(--secondary-500), var(--accent-500));
    bottom: -50px;
    left: -50px;
    animation-delay: 2s;
}

.orb-3 {
    width: 250px;
    height: 250px;
    background: linear-gradient(135deg, var(--accent-500), var(--primary-400));
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation-delay: 4s;
}

@keyframes float {
    0%, 100% {
        transform: translate(0, 0);
    }
    25% {
        transform: translate(30px, -30px);
    }
    50% {
        transform: translate(-20px, 20px);
    }
    75% {
        transform: translate(20px, 30px);
    }
}

/* Features Section */
.features {
    padding: var(--space-5xl) 0;
    background: linear-gradient(180deg, var(--bg-primary) 0%, var(--bg-surface) 100%);
}

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

.section-header h2 {
    font-size: 48px;
    font-weight: 700;
    margin-bottom: var(--space-lg);
}

.section-header p {
    font-size: 18px;
    color: var(--text-secondary);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-2xl);
}

.feature-card {
    padding: var(--space-3xl);
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    transition: all 0.4s ease;
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-500);
}

.feature-icon {
    font-size: 48px;
    margin-bottom: var(--space-lg);
    display: inline-block;
    animation: bounce 2s ease-in-out infinite;
}

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

.feature-card h3 {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: var(--space-md);
}

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

/* Characters Section */
.characters {
    padding: var(--space-5xl) 0;
    background: var(--bg-primary);
}

.characters-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-3xl);
}

.character-card {
    text-align: center;
    padding: var(--space-3xl);
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    transition: all 0.4s ease;
    cursor: pointer;
}

.character-card:hover {
    transform: translateY(-12px) scale(1.02);
    box-shadow: var(--shadow-lg);
}

.character-visual {
    position: relative;
    margin-bottom: var(--space-2xl);
    display: inline-block;
}

.character-bubble {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto;
    position: relative;
    z-index: 2;
    animation: breathe 3s ease-in-out infinite;
}

@keyframes breathe {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

.character-emoji {
    font-size: 64px;
    filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.3));
}

.character-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 140px;
    height: 140px;
    border-radius: 50%;
    filter: blur(30px);
    opacity: 0.5;
    z-index: 1;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% {
        opacity: 0.3;
        transform: translate(-50%, -50%) scale(1);
    }
    50% {
        opacity: 0.6;
        transform: translate(-50%, -50%) scale(1.1);
    }
}

/* Personality Gradients */
.gaslighter-gradient {
    background: linear-gradient(135deg, var(--gaslighter-start), var(--gaslighter-end));
}

.gaslighter-glow {
    background: radial-gradient(circle, var(--gaslighter-start), transparent);
}

.narcissist-gradient {
    background: linear-gradient(135deg, var(--narcissist-start), var(--narcissist-end));
}

.narcissist-glow {
    background: radial-gradient(circle, var(--narcissist-start), transparent);
}

.control-freak-gradient {
    background: linear-gradient(135deg, var(--control-freak-start), var(--control-freak-end));
}

.control-freak-glow {
    background: radial-gradient(circle, var(--control-freak-start), transparent);
}

.avoidant-gradient {
    background: linear-gradient(135deg, var(--avoidant-start), var(--avoidant-end));
}

.avoidant-glow {
    background: radial-gradient(circle, var(--avoidant-start), transparent);
}

.people-pleaser-gradient {
    background: linear-gradient(135deg, var(--people-pleaser-start), var(--people-pleaser-end));
}

.people-pleaser-glow {
    background: radial-gradient(circle, var(--people-pleaser-start), transparent);
}

.victim-gradient {
    background: linear-gradient(135deg, var(--victim-start), var(--victim-end));
}

.victim-glow {
    background: radial-gradient(circle, var(--victim-start), transparent);
}

.love-bomber-gradient {
    background: linear-gradient(135deg, var(--love-bomber-start), var(--love-bomber-end));
}

.love-bomber-glow {
    background: radial-gradient(circle, var(--love-bomber-start), transparent);
}

.toxic-positivity-gradient {
    background: linear-gradient(135deg, var(--toxic-positivity-start), var(--toxic-positivity-end));
}

.toxic-positivity-glow {
    background: radial-gradient(circle, var(--toxic-positivity-start), transparent);
}

.character-card h3 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: var(--space-sm);
}

.character-subtitle {
    font-size: 14px;
    color: var(--primary-400);
    margin-bottom: var(--space-md);
    font-family: 'DM Sans', sans-serif;
    font-weight: 500;
}

.character-desc {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.5;
}

/* CTA Section */
.cta {
    padding: var(--space-5xl) 0;
    background: linear-gradient(135deg, var(--bg-surface-variant), var(--bg-surface));
    position: relative;
    overflow: hidden;
}

.cta::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 50% 50%, rgba(108, 99, 255, 0.1), transparent);
    pointer-events: none;
}

.cta-content {
    text-align: center;
    position: relative;
    z-index: 2;
}

.cta h2 {
    font-size: 56px;
    font-weight: 700;
    margin-bottom: var(--space-lg);
}

.cta p {
    font-size: 20px;
    color: var(--text-secondary);
    margin-bottom: var(--space-4xl);
}

.cta .download-buttons {
    justify-content: center;
    margin-bottom: var(--space-3xl);
}

.cta-features {
    display: flex;
    justify-content: center;
    gap: var(--space-3xl);
    flex-wrap: wrap;
}

.cta-feature {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 16px;
    color: var(--text-secondary);
}

.check {
    color: var(--primary-400);
    font-weight: 700;
    font-size: 20px;
}

/* Footer */
footer {
    padding: var(--space-5xl) 0 var(--space-3xl);
    background: var(--bg-surface);
    border-top: 1px solid var(--border-color);
}

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

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

.footer-links {
    display: contents;
}

.footer-column h4 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: var(--space-lg);
}

.footer-column a {
    display: block;
    color: var(--text-secondary);
    text-decoration: none;
    margin-bottom: var(--space-md);
    transition: color 0.3s ease;
}

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

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--space-3xl);
    border-top: 1px solid var(--border-color);
}

.footer-bottom p {
    color: var(--text-secondary);
    font-size: 14px;
}

.social-links {
    display: flex;
    gap: var(--space-lg);
}

.social-links a {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-surface-variant);
    border: 1px solid var(--border-color);
    border-radius: 50%;
    color: var(--text-primary);
    text-decoration: none;
    transition: all 0.3s ease;
}

.social-links a:hover {
    background: var(--primary-500);
    border-color: var(--primary-500);
    transform: translateY(-2px);
}

/* Responsive Design */
@media (max-width: 968px) {
    .hero-grid {
        grid-template-columns: 1fr;
        gap: var(--space-4xl);
    }

    .hero-visual {
        height: 400px;
    }

    .hero-title {
        font-size: 48px;
    }

    .nav-links {
        display: none;
    }

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

    .mobile-menu {
        display: flex;
    }

    .footer-content {
        grid-template-columns: 1fr 1fr;
        gap: var(--space-3xl);
    }

    /* Character cards horizontal scroll on mobile */
    .characters-grid {
        display: flex;
        overflow-x: auto;
        overflow-y: hidden;
        scroll-snap-type: x mandatory;
        gap: var(--space-lg);
        padding-bottom: var(--space-2xl);
        -webkit-overflow-scrolling: touch;
        scrollbar-width: thin;
        scrollbar-color: var(--primary-500) var(--bg-surface);
    }

    .characters-grid::-webkit-scrollbar {
        height: 8px;
    }

    .characters-grid::-webkit-scrollbar-track {
        background: var(--bg-surface);
        border-radius: 4px;
    }

    .characters-grid::-webkit-scrollbar-thumb {
        background: var(--primary-500);
        border-radius: 4px;
    }

    .character-card {
        min-width: 280px;
        flex-shrink: 0;
        scroll-snap-align: center;
    }
}

@media (max-width: 640px) {
    .hero-title {
        font-size: 36px;
    }

    .stat-number {
        font-size: 36px;
    }

    .section-header h2 {
        font-size: 36px;
    }

    .cta h2 {
        font-size: 36px;
    }

    .download-btn {
        width: 100%;
        justify-content: center;
    }

    .character-card {
        min-width: 260px;
    }

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

    .footer-bottom {
        flex-direction: column;
        gap: var(--space-lg);
    }

    .hero-stats {
        gap: var(--space-lg);
    }

    .container {
        padding: 0 var(--space-lg);
    }
}

/* Smooth Scrolling */
html {
    scroll-behavior: smooth;
}

/* Selection */
::selection {
    background: var(--primary-500);
    color: white;
}