/* ========================================
   CSS Variables & Reset
   ======================================== */

:root {
    /* Colors - Clean white palette */
    --color-primary: #4FADDC;
    --color-primary-dark: #3A8AB8;
    --color-primary-light: #8FCDEB;
    --color-accent: #FF6B6B;
    --color-accent-dark: #E85555;
    
    --color-bg-main: #FFFFFF;
    --color-bg-alt: #FFFFFF;
    --color-bg-dark: #0A1929;
    
    --color-text-primary: #1A2332;
    --color-text-secondary: #5F6C7B;
    --color-text-light: #8E99A8;
    --color-text-inverse: #FFFFFF;
    
    --color-border: #E4E7EB;
    --color-shadow: rgba(10, 25, 41, 0.08);
    --color-shadow-lg: rgba(10, 25, 41, 0.15);
    
    /* Typography */
    --font-primary: 'Outfit', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-mono: 'Space Mono', 'Courier New', monospace;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    --spacing-3xl: 6rem;
    
    /* Border radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;
    
    /* Transitions */
    --transition-base: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-smooth: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-text-primary);
    background-color: var(--color-bg-main);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition-base);
}

/* ========================================
   Container & Layout
   ======================================== */

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

/* ========================================
   Navigation
   ======================================== */

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-border);
    padding: var(--spacing-md) 0;
    transition: var(--transition-base);
}

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

.logo-section {
    display: flex;
    align-items: center;
}

.nav-logo {
    height: 60px;
    width: auto;
    transition: var(--transition-base);
}

.nav-logo:hover {
    transform: scale(1.05);
}

.nav-link {
    font-weight: 600;
    color: var(--color-text-primary);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-full);
    transition: var(--transition-base);
}

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

/* ========================================
   Hero Section
   ======================================== */

.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: calc(var(--spacing-3xl) + 60px) 0 var(--spacing-3xl);
    background: #FFFFFF;
}

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

.hero-text {
    animation: fadeInUp 1s ease-out;
}

.hero-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: var(--spacing-md);
}

.title-main {
    display: block;
    color: var(--color-text-primary);
    animation: fadeInUp 1s ease-out 0.2s both;
}

.title-sub {
    display: block;
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: fadeInUp 1s ease-out 0.4s both;
}

.hero-description {
    font-size: 1.25rem;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-xl);
    max-width: 550px;
    animation: fadeInUp 1s ease-out 0.6s both;
}

/* ========================================
   Download Section
   ======================================== */

.download-section {
    animation: fadeInUp 1s ease-out 0.8s both;
}

.download-title {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-md);
}

.download-buttons {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.store-button {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--color-bg-dark);
    color: var(--color-text-inverse);
    border-radius: var(--radius-md);
    transition: var(--transition-base);
    cursor: pointer;
    border: 2px solid transparent;
}

.store-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px var(--color-shadow-lg);
    border-color: var(--color-primary);
}

.store-button:active {
    transform: translateY(-1px);
}

.store-icon {
    width: 32px;
    height: 32px;
    color: var(--color-text-inverse);
}

.store-icon svg {
    width: 100%;
    height: 100%;
}

.store-text {
    display: flex;
    flex-direction: column;
    text-align: left;
}

.store-label {
    font-size: 0.75rem;
    text-transform: uppercase;
    opacity: 0.8;
    letter-spacing: 0.5px;
}

.store-name {
    font-size: 1.125rem;
    font-weight: 700;
}

/* ========================================
   Hero Visual (Phone Mockup)
   ======================================== */

.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
    animation: fadeInRight 1s ease-out 0.5s both;
}

.phone-mockup {
    position: relative;
    filter: drop-shadow(0 20px 60px var(--color-shadow-lg));
}

.phone-frame {
    width: 280px;
    height: 560px;
    background: linear-gradient(145deg, #1F2937, #111827);
    border-radius: 35px;
    padding: 12px;
    position: relative;
    box-shadow: 
        0 0 0 8px rgba(255, 255, 255, 0.1),
        0 20px 60px rgba(0, 0, 0, 0.3);
}

.phone-frame::before {
    content: '';
    position: absolute;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 20px;
    background: #000;
    border-radius: 0 0 15px 15px;
    z-index: 10;
}

.phone-screen {
    width: 100%;
    height: 100%;
    background: #FFFFFF;
    border-radius: 25px;
    overflow: hidden;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.screen-content {
    width: 100%;
    height: 100%;
    padding: var(--spacing-lg);
    display: flex;
    align-items: center;
    justify-content: center;
}

.map-ui {
    width: 100%;
    height: 100%;
    background: transparent;
    border-radius: var(--radius-md);
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

.phone-logo {
    width: 120px;
    height: auto;
    z-index: 10;
    position: relative;
}

/* ========================================
   Features Section
   ======================================== */

.features {
    padding: var(--spacing-3xl) 0;
    background: #FFFFFF;
}

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800;
    text-align: center;
    margin-bottom: var(--spacing-2xl);
    color: var(--color-text-primary);
}

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

.feature-card {
    background: #FFFFFF;
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
    transition: var(--transition-smooth);
    opacity: 0;
    transform: translateY(30px);
}

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

.feature-card:nth-child(1) { transition-delay: 0.1s; }
.feature-card:nth-child(2) { transition-delay: 0.2s; }
.feature-card:nth-child(3) { transition-delay: 0.3s; }
.feature-card:nth-child(4) { transition-delay: 0.4s; }

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 40px var(--color-shadow-lg);
    border-color: var(--color-primary);
}

.feature-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--color-primary-light), var(--color-primary));
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-md);
    color: white;
    transition: var(--transition-base);
}

.feature-card:hover .feature-icon {
    transform: rotate(5deg) scale(1.1);
}

.feature-icon svg {
    width: 30px;
    height: 30px;
}

.feature-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    color: var(--color-text-primary);
}

.feature-description {
    color: var(--color-text-secondary);
    line-height: 1.7;
}

/* ========================================
   CTA Section
   ======================================== */

.cta {
    padding: var(--spacing-3xl) 0;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    position: relative;
    overflow: hidden;
}

.cta::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
    border-radius: 50%;
}

.cta-content {
    text-align: center;
    position: relative;
    z-index: 1;
    opacity: 0;
    transform: translateY(30px);
    transition: var(--transition-smooth);
}

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

.cta-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800;
    color: var(--color-text-inverse);
    margin-bottom: var(--spacing-md);
}

.cta-description {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: var(--spacing-xl);
}

.cta-buttons {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
}

.cta-button {
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: 1.125rem;
    font-weight: 700;
    border-radius: var(--radius-full);
    transition: var(--transition-base);
    cursor: pointer;
    border: 2px solid transparent;
}

.cta-button.primary {
    background: var(--color-text-inverse);
    color: var(--color-primary);
}

.cta-button.primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.cta-button.secondary {
    background: transparent;
    color: var(--color-text-inverse);
    border-color: var(--color-text-inverse);
}

.cta-button.secondary:hover {
    background: var(--color-text-inverse);
    color: var(--color-primary);
}

/* ========================================
   Footer
   ======================================== */

.footer {
    background: var(--color-bg-dark);
    color: var(--color-text-inverse);
    padding: var(--spacing-2xl) 0 var(--spacing-lg);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.footer-section {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.footer-logo-section {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.footer-logo-container {
    background: transparent;
    padding: 0;
    margin-bottom: var(--spacing-md);
    display: inline-block;
}

.footer-logo {
    height: 80px;
    width: auto;
    display: block;
}

.footer-description {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.95rem;
}

.footer-title {
    font-size: 1.125rem;
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
}

.footer-link {
    color: rgba(255, 255, 255, 0.8);
    transition: var(--transition-base);
}

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

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.6);
}

/* ========================================
   Privacy Policy Page
   ======================================== */

.policy-page {
    padding: calc(var(--spacing-3xl) + 60px) 0 var(--spacing-3xl);
    background: #FFFFFF;
}

.policy-content {
    max-width: 900px;
    margin: 0 auto;
    background: #FFFFFF;
    padding: var(--spacing-2xl);
    border-radius: var(--radius-lg);
    box-shadow: 0 4px 20px var(--color-shadow);
}

.policy-header {
    font-size: clamp(2.5rem, 5vw, 3.5rem);
    font-weight: 800;
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-sm);
    border-bottom: 3px solid var(--color-primary);
    padding-bottom: var(--spacing-md);
}

.policy-updated {
    color: var(--color-text-secondary);
    font-size: 1rem;
    margin-bottom: var(--spacing-xl);
    font-family: var(--font-mono);
}

.policy-intro {
    margin-bottom: var(--spacing-xl);
    padding: var(--spacing-lg);
    background: linear-gradient(135deg, rgba(79, 173, 220, 0.1), rgba(186, 230, 255, 0.1));
    border-left: 4px solid var(--color-primary);
    border-radius: var(--radius-sm);
}

.policy-intro p {
    color: var(--color-text-primary);
    line-height: 1.8;
    font-size: 1.05rem;
}

.policy-section {
    margin-bottom: var(--spacing-2xl);
}

.policy-section-title {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.policy-section-title::before {
    content: '';
    width: 6px;
    height: 30px;
    background: linear-gradient(180deg, var(--color-primary), var(--color-primary-dark));
    border-radius: var(--radius-full);
}

.policy-subsection {
    margin-bottom: var(--spacing-lg);
    margin-left: var(--spacing-md);
}

.policy-subsection-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-primary-dark);
    margin-bottom: var(--spacing-sm);
}

.policy-section p {
    color: var(--color-text-secondary);
    line-height: 1.8;
    margin-bottom: var(--spacing-md);
    font-size: 1.05rem;
}

.policy-list {
    list-style: none;
    padding-left: 0;
}

.policy-list li {
    color: var(--color-text-secondary);
    line-height: 1.8;
    margin-bottom: var(--spacing-sm);
    padding-left: var(--spacing-lg);
    position: relative;
    font-size: 1.05rem;
}

.policy-list li::before {
    content: '•';
    color: var(--color-primary);
    font-weight: bold;
    font-size: 1.5rem;
    position: absolute;
    left: 0;
    top: -2px;
}

.policy-external-link {
    color: var(--color-primary);
    text-decoration: underline;
    transition: var(--transition-base);
}

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

.policy-contact {
    font-size: 1.125rem;
    font-weight: 600;
    margin-top: var(--spacing-sm);
}

.policy-email-link {
    color: var(--color-primary);
    font-weight: 700;
    transition: var(--transition-base);
}

.policy-email-link:hover {
    color: var(--color-primary-dark);
    text-decoration: underline;
}

.policy-footer-nav {
    margin-top: var(--spacing-2xl);
    padding-top: var(--spacing-xl);
    border-top: 2px solid var(--color-border);
}

.back-button {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--color-primary);
    color: var(--color-text-inverse);
    border-radius: var(--radius-full);
    font-weight: 600;
    transition: var(--transition-base);
}

.back-button svg {
    width: 20px;
    height: 20px;
}

.back-button:hover {
    background: var(--color-primary-dark);
    transform: translateX(-5px);
}

/* ========================================
   Animations
   ======================================== */

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

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

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

/* ========================================
   Responsive Design
   ======================================== */

@media (max-width: 968px) {
    .hero-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-2xl);
    }
    
    .hero-visual {
        order: -1;
    }
    
    .hero-text {
        text-align: center;
    }
    
    .hero-description {
        max-width: 100%;
    }
    
    .download-buttons {
        justify-content: center;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 640px) {
    :root {
        --spacing-xl: 2rem;
        --spacing-2xl: 3rem;
        --spacing-3xl: 4rem;
    }
    
    .hero {
        padding: calc(var(--spacing-2xl) + 60px) 0 var(--spacing-2xl);
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-description {
        font-size: 1rem;
    }
    
    .store-button {
        width: 100%;
        justify-content: center;
    }
    
    .phone-frame {
        width: 240px;
        height: 480px;
    }
    
    .section-title {
        font-size: 1.75rem;
    }
    
    .feature-card {
        padding: var(--spacing-lg);
    }
    
    .cta-buttons {
        flex-direction: column;
    }
    
    .cta-button {
        width: 100%;
        text-align: center;
    }
    
    .policy-content {
        padding: var(--spacing-lg);
    }
    
    .policy-header {
        font-size: 2rem;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-logo-section {
        align-items: center;
    }
    
    .footer-logo-container {
        margin: 0 auto var(--spacing-sm);
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-sm);
    }
    
    .nav-logo {
        height: 45px;
    }
    
    .navbar {
        padding: var(--spacing-sm) 0;
    }
    
    .floating-shape {
        display: none;
    }
}