/* =====================================================
   SafePing Landing Page Styles
   A warm, trustworthy, human-centered design
   ===================================================== */

/* CSS Variables */
:root {
    /* Primary palette - warm teal/seafoam */
    --color-primary: #0d9488;
    --color-primary-light: #14b8a6;
    --color-primary-dark: #0f766e;
    --color-primary-subtle: #ccfbf1;
    
    /* Accent - warm coral */
    --color-accent: #f97316;
    --color-accent-light: #fb923c;
    
    /* Neutrals - warm grays */
    --color-bg: #fdfcfb;
    --color-bg-alt: #f5f3f0;
    --color-bg-card: #ffffff;
    --color-text: #1c1917;
    --color-text-secondary: #57534e;
    --color-text-muted: #a8a29e;
    --color-border: #e7e5e4;
    
    /* Status colors */
    --color-success: #22c55e;
    --color-warning: #f59e0b;
    
    /* Typography */
    --font-display: 'Fraunces', Georgia, serif;
    --font-body: 'Plus Jakarta Sans', system-ui, sans-serif;
    
    /* Spacing */
    --space-xs: 0.5rem;
    --space-sm: 0.75rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    --space-4xl: 6rem;
    
    /* Border radius */
    --radius-sm: 0.5rem;
    --radius-md: 0.75rem;
    --radius-lg: 1rem;
    --radius-xl: 1.5rem;
    --radius-full: 9999px;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.07), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -4px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.05);
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 400ms ease;
}

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

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-body);
    font-size: 1rem;
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-bg);
}

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

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

/* Container */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

/* Typography */
h1, h2, h3, h4 {
    font-family: var(--font-display);
    font-weight: 600;
    line-height: 1.2;
    letter-spacing: -0.02em;
}

h1 { font-size: clamp(2.5rem, 6vw, 4rem); }
h2 { font-size: clamp(2rem, 4vw, 2.75rem); }
h3 { font-size: clamp(1.25rem, 2vw, 1.5rem); }

.text-gradient {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

.section-subtitle {
    text-align: center;
    color: var(--color-text-secondary);
    font-size: 1.125rem;
    margin-bottom: var(--space-3xl);
}

/* Navigation */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: rgba(253, 252, 251, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--color-border);
}

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

.nav-logo {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-text);
}

.logo-icon {
    color: var(--color-primary);
    font-size: 1.5rem;
}

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

.nav-links a {
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--color-text-secondary);
    transition: color var(--transition-fast);
}

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

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

.hero-bg {
    position: absolute;
    inset: 0;
    background: 
        radial-gradient(ellipse 80% 50% at 50% -20%, var(--color-primary-subtle) 0%, transparent 50%),
        radial-gradient(ellipse 60% 40% at 90% 80%, rgba(249, 115, 22, 0.08) 0%, transparent 40%);
    z-index: -1;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4xl);
    align-items: center;
}

.hero-eyebrow {
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-primary);
    margin-bottom: var(--space-md);
}

.hero-title {
    margin-bottom: var(--space-lg);
}

.hero-description {
    font-size: 1.125rem;
    color: var(--color-text-secondary);
    margin-bottom: var(--space-xl);
    max-width: 480px;
}

.hero-cta {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-sm);
}

.app-store-badge {
    display: inline-block;
    transition: transform var(--transition-fast), opacity var(--transition-fast);
}

.app-store-badge:hover {
    transform: scale(1.05);
    opacity: 0.9;
}

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

/* Phone Mockup */
.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.phone-mockup {
    width: 280px;
    height: 580px;
    background: #1c1917;
    border-radius: 40px;
    padding: 12px;
    box-shadow: 
        var(--shadow-xl),
        0 0 0 1px rgba(0, 0, 0, 0.1),
        inset 0 0 0 1px rgba(255, 255, 255, 0.1);
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-12px); }
}

.phone-screen {
    width: 100%;
    height: 100%;
    background: var(--color-bg);
    border-radius: 32px;
    overflow: hidden;
}

.app-preview {
    padding: var(--space-lg);
    padding-top: var(--space-3xl);
}

.app-header {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: var(--space-xl);
}

.status-card {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    background: var(--color-bg-alt);
    padding: var(--space-md);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-sm);
}

.status-icon {
    font-size: 1.25rem;
}

.status-icon.green { color: var(--color-success); }
.status-icon.orange { color: var(--color-warning); }

.status-label {
    display: block;
    font-size: 0.75rem;
    color: var(--color-text-secondary);
}

.status-value {
    display: block;
    font-size: 0.875rem;
    font-weight: 600;
}

.checkin-btn-preview {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 140px;
    height: 140px;
    margin: var(--space-xl) auto;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    border-radius: 50%;
    color: white;
    font-weight: 600;
    gap: var(--space-xs);
    box-shadow: 0 8px 24px rgba(13, 148, 136, 0.35);
}

.checkin-btn-preview span:first-child {
    font-size: 2rem;
}

/* Social Proof */
.social-proof {
    padding: var(--space-2xl) 0;
    background: var(--color-bg-alt);
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
}

.proof-items {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: var(--space-2xl);
}

.proof-item {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-weight: 500;
    color: var(--color-text-secondary);
}

.proof-icon {
    font-size: 1.25rem;
}

/* How It Works */
.how-it-works {
    padding: var(--space-4xl) 0;
}

.steps-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-xl);
}

.step {
    position: relative;
    text-align: center;
    padding: var(--space-xl);
    opacity: 0;
    transform: translateY(20px);
    transition: opacity var(--transition-slow), transform var(--transition-slow);
}

.step.animate-in {
    opacity: 1;
    transform: translateY(0);
}

.step:nth-child(2) { transition-delay: 100ms; }
.step:nth-child(3) { transition-delay: 200ms; }
.step:nth-child(4) { transition-delay: 300ms; }

.step-number {
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-primary);
    color: white;
    font-size: 0.875rem;
    font-weight: 700;
    border-radius: 50%;
}

.step-icon {
    font-size: 3rem;
    margin: var(--space-xl) 0 var(--space-lg);
}

.step h3 {
    margin-bottom: var(--space-sm);
}

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

/* Features */
.features {
    padding: var(--space-4xl) 0;
    background: var(--color-bg-alt);
}

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

.feature-card {
    background: var(--color-bg-card);
    padding: var(--space-xl);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow-sm);
    opacity: 0;
    transform: translateY(20px);
    transition: opacity var(--transition-slow), transform var(--transition-slow), box-shadow var(--transition-base);
}

.feature-card.animate-in {
    opacity: 1;
    transform: translateY(0);
}

.feature-card:hover {
    box-shadow: var(--shadow-lg);
}

.feature-card:nth-child(2) { transition-delay: 50ms; }
.feature-card:nth-child(3) { transition-delay: 100ms; }
.feature-card:nth-child(4) { transition-delay: 150ms; }
.feature-card:nth-child(5) { transition-delay: 200ms; }
.feature-card:nth-child(6) { transition-delay: 250ms; }

.feature-card.featured {
    grid-column: span 3;
    display: flex;
    align-items: center;
    gap: var(--space-xl);
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: white;
    border: none;
}

.feature-card.featured h3,
.feature-card.featured p {
    color: white;
}

.feature-card.featured p {
    opacity: 0.9;
}

.feature-icon {
    font-size: 2rem;
    margin-bottom: var(--space-md);
}

.feature-icon-large {
    font-size: 4rem;
    flex-shrink: 0;
}

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

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

/* Perfect For */
.perfect-for {
    padding: var(--space-4xl) 0;
}

.personas-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-lg);
}

.persona-card {
    text-align: center;
    padding: var(--space-xl);
    background: var(--color-bg-card);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
    opacity: 0;
    transform: translateY(20px);
    transition: opacity var(--transition-slow), transform var(--transition-slow);
}

.persona-card.animate-in {
    opacity: 1;
    transform: translateY(0);
}

.persona-card:nth-child(2) { transition-delay: 100ms; }
.persona-card:nth-child(3) { transition-delay: 200ms; }
.persona-card:nth-child(4) { transition-delay: 300ms; }

.persona-emoji {
    font-size: 3rem;
    margin-bottom: var(--space-md);
}

.persona-card h3 {
    margin-bottom: var(--space-sm);
}

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

/* Privacy Section */
.privacy-section {
    padding: var(--space-4xl) 0;
    background: var(--color-bg-alt);
}

.privacy-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4xl);
    align-items: center;
}

.privacy-text h2 {
    margin-bottom: var(--space-lg);
}

.privacy-text > p {
    color: var(--color-text-secondary);
    margin-bottom: var(--space-xl);
}

.privacy-list {
    list-style: none;
    margin-bottom: var(--space-xl);
}

.privacy-list li {
    display: flex;
    align-items: flex-start;
    gap: var(--space-md);
    margin-bottom: var(--space-md);
    opacity: 0;
    transform: translateX(-20px);
    transition: opacity var(--transition-slow), transform var(--transition-slow);
}

.privacy-list li.animate-in {
    opacity: 1;
    transform: translateX(0);
}

.privacy-list li:nth-child(2) { transition-delay: 100ms; }
.privacy-list li:nth-child(3) { transition-delay: 200ms; }
.privacy-list li:nth-child(4) { transition-delay: 300ms; }

.privacy-list .check {
    color: var(--color-primary);
    font-weight: 700;
}

.privacy-link {
    font-weight: 600;
    color: var(--color-primary);
    transition: color var(--transition-fast);
}

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

.privacy-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.privacy-icon-container {
    width: 200px;
    height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-primary-subtle) 0%, rgba(249, 115, 22, 0.1) 100%);
    border-radius: 50%;
}

.privacy-icon {
    font-size: 6rem;
}

/* CTA Section */
.cta-section {
    padding: var(--space-4xl) 0;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: white;
    text-align: center;
}

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

.cta-content p {
    opacity: 0.9;
    margin-bottom: var(--space-xl);
    font-size: 1.125rem;
}

/* Footer */
.footer {
    padding: var(--space-4xl) 0 var(--space-xl);
    background: var(--color-text);
    color: white;
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: var(--space-4xl);
    margin-bottom: var(--space-3xl);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--space-sm);
}

.footer-brand p {
    color: var(--color-text-muted);
}

.footer-links {
    display: flex;
    gap: var(--space-4xl);
    justify-content: flex-end;
}

.footer-column h4 {
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--space-md);
    color: var(--color-text-muted);
}

.footer-column a {
    display: block;
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.9375rem;
    margin-bottom: var(--space-sm);
    transition: color var(--transition-fast);
}

.footer-column a:hover {
    color: white;
}

.footer-bottom {
    padding-top: var(--space-xl);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
}

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

/* Disclaimer */
.disclaimer {
    padding: var(--space-md) 0;
    background: var(--color-text);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.disclaimer p {
    color: var(--color-text-muted);
    font-size: 0.75rem;
    text-align: center;
}

/* Responsive */
@media (max-width: 1024px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-description {
        margin-left: auto;
        margin-right: auto;
    }
    
    .hero-cta {
        align-items: center;
    }
    
    .hero-visual {
        order: -1;
    }
    
    .phone-mockup {
        width: 240px;
        height: 500px;
    }
    
    .steps-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .feature-card.featured {
        grid-column: span 2;
    }
    
    .personas-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .privacy-content {
        grid-template-columns: 1fr;
    }
    
    .privacy-visual {
        order: -1;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .steps-grid,
    .personas-grid {
        grid-template-columns: 1fr;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .feature-card.featured {
        grid-column: span 1;
        flex-direction: column;
        text-align: center;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-links {
        justify-content: center;
        flex-wrap: wrap;
        gap: var(--space-xl);
    }
}

/* =====================================================
   Support & Privacy Pages
   ===================================================== */

.page-header {
    padding: calc(80px + var(--space-4xl)) 0 var(--space-3xl);
    background: var(--color-bg-alt);
    text-align: center;
}

.page-header h1 {
    margin-bottom: var(--space-md);
}

.page-header p {
    color: var(--color-text-secondary);
    font-size: 1.125rem;
}

.page-content {
    padding: var(--space-4xl) 0;
}

.page-content .container {
    max-width: 800px;
}

.content-section {
    margin-bottom: var(--space-3xl);
}

.content-section h2 {
    font-size: 1.5rem;
    margin-bottom: var(--space-lg);
    padding-bottom: var(--space-sm);
    border-bottom: 2px solid var(--color-primary-subtle);
}

.content-section h3 {
    font-size: 1.125rem;
    margin-top: var(--space-xl);
    margin-bottom: var(--space-sm);
}

.content-section p {
    color: var(--color-text-secondary);
    margin-bottom: var(--space-md);
}

.content-section ul {
    color: var(--color-text-secondary);
    margin-bottom: var(--space-md);
    padding-left: var(--space-xl);
}

.content-section li {
    margin-bottom: var(--space-xs);
}

.faq-item {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--space-lg);
    margin-bottom: var(--space-md);
}

.faq-item h3 {
    margin-top: 0;
    color: var(--color-text);
}

.contact-card {
    background: var(--color-primary-subtle);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    text-align: center;
}

.contact-card h3 {
    margin-top: 0;
    color: var(--color-primary-dark);
}

.contact-card a {
    color: var(--color-primary);
    font-weight: 600;
}

.last-updated {
    color: var(--color-text-muted);
    font-size: 0.875rem;
    font-style: italic;
}