/* BreathePause Marketing Website Styles */
/* Modern, clean, calming design */

:root {
    /* Color Palette - Calming blues and purples */
    --primary: #6366f1;
    --primary-dark: #4f46e5;
    --primary-light: #818cf8;
    --secondary: #06b6d4;
    --accent: #8b5cf6;
    --success: #10b981;
    --warning: #f59e0b;

    /* Neutrals */
    --bg-primary: #0f172a;
    --bg-secondary: #1e293b;
    --bg-tertiary: #334155;
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;

    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #6366f1 0%, #8b5cf6 50%, #06b6d4 100%);
    --gradient-card: linear-gradient(180deg, rgba(99, 102, 241, 0.1) 0%, rgba(139, 92, 246, 0.05) 100%);
    --gradient-hero: radial-gradient(ellipse at top, rgba(99, 102, 241, 0.15) 0%, transparent 50%);

    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;

    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 1rem;
    --radius-xl: 1.5rem;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.4);
    --shadow-glow: 0 0 40px rgba(99, 102, 241, 0.3);

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-normal: 300ms ease;
    --transition-slow: 500ms ease;
}

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

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

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

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

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -0.02em;
}

h1 { font-size: clamp(2.5rem, 5vw, 4rem); }
h2 { font-size: clamp(2rem, 4vw, 3rem); }
h3 { font-size: clamp(1.25rem, 2vw, 1.5rem); }

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

a {
    color: var(--primary-light);
    text-decoration: none;
    transition: color var(--transition-fast);
}

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

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-xl);
    border-radius: var(--radius-lg);
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: all var(--transition-normal);
    border: none;
    text-decoration: none;
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: var(--shadow-md), var(--shadow-glow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg), 0 0 60px rgba(99, 102, 241, 0.4);
    color: white;
}

.btn-large {
    padding: var(--space-lg) var(--space-2xl);
    font-size: 1.125rem;
}

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

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: var(--space-md) 0;
    background: rgba(15, 23, 42, 0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
}

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

.logo-icon {
    font-size: 1.5rem;
}

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

.nav-links a {
    color: var(--text-secondary);
    font-weight: 500;
    transition: color var(--transition-fast);
}

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

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: calc(80px + var(--space-3xl)) 0 var(--space-3xl);
    background: var(--gradient-hero);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.1) 0%, transparent 70%);
    pointer-events: none;
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3xl);
    align-items: center;
}

.hero-content h1 {
    margin-bottom: var(--space-lg);
    background: linear-gradient(135deg, var(--text-primary) 0%, var(--primary-light) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: var(--space-xl);
    max-width: 500px;
}

.hero-buttons {
    display: flex;
    gap: var(--space-md);
    margin-bottom: var(--space-lg);
}

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

/* Phone Mockup */
.hero-image {
    display: flex;
    justify-content: center;
    perspective: 1000px;
}

.phone-mockup {
    width: 280px;
    height: 580px;
    background: linear-gradient(180deg, #1e293b 0%, #0f172a 100%);
    border-radius: 40px;
    padding: 12px;
    box-shadow: var(--shadow-lg), 0 0 80px rgba(99, 102, 241, 0.2);
    transform: rotateY(-5deg) rotateX(5deg);
    transition: transform var(--transition-slow);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.phone-mockup:hover {
    transform: rotateY(0) rotateX(0);
}

.phone-screen {
    width: 100%;
    height: 100%;
    background: linear-gradient(180deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
    border-radius: 32px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--space-xl);
    position: relative;
    overflow: hidden;
}

.phone-screen::before {
    content: '';
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 24px;
    background: #000;
    border-radius: 12px;
}

/* Breathing Circle Animation */
.breathing-circle {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    background: var(--gradient-primary);
    animation: breathe 8s ease-in-out infinite;
    box-shadow: 0 0 40px rgba(99, 102, 241, 0.5);
}

@keyframes breathe {
    0%, 100% {
        transform: scale(1);
        opacity: 0.8;
    }
    25% {
        transform: scale(1.4);
        opacity: 1;
    }
    50% {
        transform: scale(1.4);
        opacity: 1;
    }
    75% {
        transform: scale(1);
        opacity: 0.8;
    }
}

.breathing-text {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    animation: fadePhase 8s ease-in-out infinite;
}

@keyframes fadePhase {
    0%, 20% { opacity: 1; }
    25%, 45% { opacity: 0.5; }
    50%, 70% { opacity: 1; }
    75%, 95% { opacity: 0.5; }
}

/* Sections */
section {
    padding: var(--space-3xl) 0;
}

.section-title {
    text-align: center;
    margin-bottom: var(--space-md);
}

.section-subtitle {
    text-align: center;
    font-size: 1.125rem;
    color: var(--text-secondary);
    margin-bottom: var(--space-2xl);
}

/* Features Section */
.features {
    background: var(--bg-secondary);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: var(--space-lg);
}

.feature-card {
    background: var(--gradient-card);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-xl);
    padding: var(--space-xl);
    transition: all var(--transition-normal);
}

.feature-card:hover {
    transform: translateY(-4px);
    border-color: rgba(99, 102, 241, 0.3);
    box-shadow: var(--shadow-lg);
}

.feature-icon {
    font-size: 2.5rem;
    margin-bottom: var(--space-md);
}

.feature-card h3 {
    margin-bottom: var(--space-sm);
    color: var(--text-primary);
}

.feature-card p {
    font-size: 0.9375rem;
    color: var(--text-secondary);
}

/* Techniques Section */
.techniques {
    background: var(--bg-primary);
}

.techniques-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-lg);
}

.technique-card {
    background: var(--bg-secondary);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-xl);
    padding: var(--space-xl);
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.technique-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transition: transform var(--transition-normal);
}

.technique-card:hover::before {
    transform: scaleX(1);
}

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

.technique-pattern {
    font-size: 2rem;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--space-sm);
}

.technique-card h3 {
    color: var(--text-primary);
    margin-bottom: var(--space-sm);
}

.technique-card p {
    font-size: 0.9375rem;
    color: var(--text-secondary);
    margin-bottom: var(--space-md);
}

.technique-tag {
    display: inline-block;
    padding: var(--space-xs) var(--space-md);
    background: rgba(99, 102, 241, 0.15);
    color: var(--primary-light);
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Watch Section */
.watch-section {
    background: linear-gradient(180deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
    overflow: hidden;
}

.watch-section .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3xl);
    align-items: center;
}

.watch-content h2 {
    margin-bottom: var(--space-lg);
}

.watch-content p {
    font-size: 1.125rem;
    margin-bottom: var(--space-xl);
}

.watch-features {
    list-style: none;
}

.watch-features li {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-md);
    color: var(--text-secondary);
}

.watch-features li::before {
    content: '✓';
    display: flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    background: rgba(16, 185, 129, 0.2);
    color: var(--success);
    border-radius: 50%;
    font-size: 0.75rem;
    font-weight: 700;
}

/* Watch Mockup */
.watch-mockup {
    display: flex;
    justify-content: center;
}

.watch-frame {
    width: 200px;
    height: 240px;
    background: linear-gradient(180deg, #374151 0%, #1f2937 100%);
    border-radius: 48px;
    padding: 16px;
    box-shadow: var(--shadow-lg), 0 0 60px rgba(99, 102, 241, 0.15);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.watch-screen {
    width: 100%;
    height: 100%;
    background: #000;
    border-radius: 36px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
}

.watch-breathing-circle {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: var(--gradient-primary);
    animation: breathe 8s ease-in-out infinite;
    box-shadow: 0 0 20px rgba(99, 102, 241, 0.5);
}

.watch-text {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-primary);
}

.watch-time {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--primary-light);
}

/* Benefits Section */
.benefits {
    background: var(--bg-primary);
}

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

.benefit-card {
    text-align: center;
    padding: var(--space-xl);
    background: var(--bg-secondary);
    border-radius: var(--radius-xl);
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.benefit-stat {
    font-size: 3.5rem;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--space-sm);
}

.benefit-card p {
    font-size: 1rem;
    color: var(--text-secondary);
}

/* CTA Section */
.cta {
    background: var(--gradient-primary);
    text-align: center;
    padding: var(--space-3xl) 0;
}

.cta h2 {
    color: white;
    margin-bottom: var(--space-md);
}

.cta p {
    color: rgba(255, 255, 255, 0.8);
    font-size: 1.25rem;
    margin-bottom: var(--space-xl);
}

.cta .btn-primary {
    background: white;
    color: var(--primary-dark);
    box-shadow: var(--shadow-lg);
}

.cta .btn-primary:hover {
    background: var(--text-primary);
    transform: translateY(-2px);
}

.cta .btn-primary .apple-icon {
    fill: var(--primary-dark);
}

/* Footer */
.footer {
    background: var(--bg-secondary);
    padding: var(--space-2xl) 0;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-lg);
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 1.25rem;
    font-weight: 700;
}

.footer-links {
    display: flex;
    gap: var(--space-xl);
}

.footer-links a {
    color: var(--text-secondary);
    transition: color var(--transition-fast);
}

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

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

/* Responsive Design */
@media (max-width: 1024px) {
    .hero .container {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-subtitle {
        margin-left: auto;
        margin-right: auto;
    }

    .hero-buttons {
        justify-content: center;
    }

    .hero-image {
        order: -1;
        margin-bottom: var(--space-xl);
    }

    .phone-mockup {
        width: 240px;
        height: 500px;
        transform: none;
    }

    .watch-section .container {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .watch-features {
        display: inline-block;
        text-align: left;
    }

    .watch-mockup {
        order: -1;
        margin-bottom: var(--space-xl);
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }

    .benefits-grid {
        grid-template-columns: 1fr;
    }

    .hero {
        min-height: auto;
        padding: calc(80px + var(--space-2xl)) 0 var(--space-2xl);
    }

    section {
        padding: var(--space-2xl) 0;
    }
}

@media (max-width: 480px) {
    .phone-mockup {
        width: 200px;
        height: 420px;
    }

    .breathing-circle {
        width: 80px;
        height: 80px;
    }

    .watch-frame {
        width: 160px;
        height: 200px;
    }

    .watch-breathing-circle {
        width: 40px;
        height: 40px;
    }

    .btn {
        padding: var(--space-sm) var(--space-md);
        font-size: 0.875rem;
    }

    .btn-large {
        padding: var(--space-md) var(--space-lg);
        font-size: 1rem;
    }
}

/* Smooth scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
    background: var(--bg-tertiary);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-muted);
}

/* Selection */
::selection {
    background: rgba(99, 102, 241, 0.3);
    color: var(--text-primary);
}

/* Focus styles for accessibility */
a:focus-visible,
button:focus-visible {
    outline: 2px solid var(--primary-light);
    outline-offset: 2px;
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }

    html {
        scroll-behavior: auto;
    }
}