/* ===========================
   RESET & BASE STYLES
   =========================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Bedtime Snuggles Color Palette */
    --primary-blue: #149dcc;
    --primary-blue-dark: #0d6786;
    --primary-blue-light: #4db8db;
    --accent-pink: #ff3366;
    --light-bg: #f8f9fa;
    --white: #FFFFFF;
    --text-dark: #2D3E3F;
    --text-medium: #555555;
    --text-light: #666666;
    --border-light: #e9ecef;
    --yellow: #f7ed4a;
    --yellow-dark: #eadd0a;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-xxl: 4rem;
    
    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;
    
    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(20, 157, 204, 0.08);
    --shadow-md: 0 4px 16px rgba(20, 157, 204, 0.12);
    --shadow-lg: 0 8px 32px rgba(20, 157, 204, 0.16);
    
    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    color: var(--text-dark);
    background-color: var(--white);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

/* ===========================
   BUTTONS
   =========================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-full);
    font-weight: 600;
    font-size: 0.95rem;
    text-decoration: none;
    transition: all 0.2s ease;
    cursor: pointer;
    border: none;
    white-space: nowrap;
}

.btn-primary {
    background: var(--primary-blue);
    color: white;
}

.btn-primary:hover {
    background: var(--primary-blue-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    color: white;
    text-decoration: none;
}

.btn-secondary {
    background: transparent;
    color: var(--primary-blue);
    border: 2px solid var(--primary-blue);
}

.btn-secondary:hover {
    background: var(--primary-blue);
    color: white;
    text-decoration: none;
}

.btn-large {
    padding: 1rem 2rem;
    font-size: 1.05rem;
}

.btn-block {
    width: 100%;
}

/* ===========================
   HERO SECTION
   =========================== */
.hero {
    padding: 5rem 0 4rem;
    background: linear-gradient(135deg, var(--light-bg) 0%, white 100%);
    position: relative;
    overflow: hidden;
}

.hero:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><radialGradient id="a" cx="50%" cy="50%" r="50%"><stop offset="0%" stop-color="%23149dcc" stop-opacity="0.05"/><stop offset="100%" stop-color="%23149dcc" stop-opacity="0"/></radialGradient></defs><circle cx="50" cy="50" r="50" fill="url(%23a)"/></svg>') no-repeat center;
    background-size: 800px 800px;
    opacity: 0.3;
    z-index: 0;
}

.hero .container {
    position: relative;
    z-index: 1;
}

.hero-content {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: var(--spacing-xxl);
    align-items: center;
}

.hero-text {
    text-align: center;
}

.hero-icon {
    margin-bottom: 1.5rem;
    animation: fadeInUp 1s ease-out;
}

.main-icon {
    width: 120px;
    height: 120px;
    border-radius: 25px;
    box-shadow: 0 20px 40px rgba(20, 157, 204, 0.3);
    transition: all 0.6s ease;
}

.main-icon:hover {
    transform: translateY(-10px) scale(1.05);
    box-shadow: 0 30px 60px rgba(20, 157, 204, 0.4);
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.1;
    background: linear-gradient(135deg, #149dcc, #ff3366);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--spacing-md);
    animation: fadeInUp 1s ease-out 0.1s both;
}

.hero-subtitle {
    font-size: 1.8rem;
    color: var(--primary-blue);
    line-height: 1.3;
    margin-bottom: var(--spacing-md);
    font-weight: 400;
    animation: fadeInUp 1s ease-out 0.2s both;
}

.hero-text > p {
    font-size: 1.2rem;
    color: var(--text-medium);
    line-height: 1.6;
    margin-bottom: var(--spacing-xl);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    animation: fadeInUp 1s ease-out 0.3s both;
}

.hero-cta {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
    justify-content: center;
    animation: fadeInUp 1s ease-out 0.4s both;
}

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

.phone-mockup {
    position: relative;
    max-width: 350px;
    margin: 0 auto;
}

.app-screenshot {
    width: 100%;
    height: auto;
    border-radius: 40px;
    box-shadow: 0 20px 60px rgba(20, 157, 204, 0.3);
    transition: transform 0.3s ease;
}

.app-screenshot:hover {
    transform: scale(1.02);
}

/* ===========================
   FEATURES SECTION
   =========================== */
.features {
    padding: var(--spacing-xxl) 0;
    background: white;
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto var(--spacing-xl);
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: var(--spacing-md);
}

.section-subtitle {
    font-size: 1.15rem;
    color: var(--text-medium);
}

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

.feature-card {
    background: var(--light-bg);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    text-align: center;
}

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

.feature-icon {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-md);
    filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.1));
}

.feature-card h3 {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    color: var(--text-dark);
}

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

/* ===========================
   SCREENSHOTS GALLERY SECTION
   =========================== */
.screenshots-gallery {
    padding: var(--spacing-xxl) 0;
    background: linear-gradient(135deg, var(--light-bg) 0%, white 100%);
}

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

.gallery-item {
    text-align: center;
}

.gallery-screenshot {
    width: 100%;
    height: auto;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    margin-bottom: var(--spacing-sm);
}

.gallery-screenshot:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.gallery-caption {
    color: var(--text-medium);
    font-size: 0.9rem;
    font-weight: 500;
}

/* ===========================
   PRIVACY SECTION
   =========================== */
.privacy-section {
    padding: var(--spacing-xl) 0;
    background: white;
}

.privacy-content {
    text-align: center;
    max-width: 700px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-md);
}

.privacy-content .section-title {
    margin-bottom: 0;
}

/* ===========================
   CONTACT SECTION
   =========================== */
.contact {
    padding: var(--spacing-xxl) 0;
    background: var(--light-bg);
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
    max-width: 800px;
    margin: 0 auto;
}

.contact-card {
    background: white;
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

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

.contact-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
}

.contact-card h3 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    color: var(--primary-blue);
}

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

.contact-link {
    color: var(--primary-blue);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s ease;
}

.contact-link:hover {
    color: var(--accent-pink);
    text-decoration: none;
}

/* ===========================
   FOOTER
   =========================== */
.footer {
    background: var(--text-dark);
    color: white;
    padding: var(--spacing-xxl) 0 var(--spacing-lg);
}

.footer-content {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: var(--spacing-xxl);
    margin-bottom: var(--spacing-xl);
}

.footer-brand .logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
}

.logo-text {
    font-size: 1.25rem;
    font-weight: 700;
    color: white;
}

.footer-tagline {
    color: rgba(255, 255, 255, 0.7);
    margin-top: var(--spacing-sm);
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
}

.footer-column h4 {
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    color: white;
}

.footer-column a {
    display: block;
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    margin-bottom: var(--spacing-xs);
    transition: color 0.2s ease;
}

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

.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, 0.5);
}

.footer-bottom p {
    margin: 0.5rem 0;
}

/* ===========================
   ANIMATIONS
   =========================== */
@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;
        text-align: center;
    }
    
    .hero-image {
        max-width: 400px;
        margin: 0 auto;
    }
    
    .features-grid,
    .gallery-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.5rem;
    }
    
    .hero-cta {
        flex-direction: column;
        align-items: center;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 640px) {
    .hero {
        padding: 3rem 0 2rem;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1.3rem;
    }
    
    .hero-text > p {
        font-size: 1rem;
    }
    
    .main-icon {
        width: 100px;
        height: 100px;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .features-grid,
    .gallery-grid,
    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-links {
        grid-template-columns: 1fr;
    }
    
    .btn-large {
        width: 100%;
    }
}

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

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