/* ===================================
   CSS Reset & Base Styles
   =================================== */

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

:root {
    /* Color Palette - Matching App Design */
    --primary-pink: #FF6B9D;
    --secondary-purple: #C06C84;
    --accent-orange: #F67280;
    --orchid-purple: #DA70D6;
    --hot-pink: #FF69B4;
    --light-pink: #FFB6C1;

    /* Neutral Colors */
    --bg-light: #F8F9FA;
    --text-dark: #2C3E50;
    --text-light: #6C757D;
    --border-color: #E0E0E0;
    --white: #FFFFFF;

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

    /* Typography */
    --font-family: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-size-xs: 12px;
    --font-size-sm: 14px;
    --font-size-base: 16px;
    --font-size-lg: 18px;
    --font-size-xl: 24px;
    --font-size-2xl: 32px;
    --font-size-3xl: 48px;

    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.15);
    --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.2);

    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--bg-light);
    overflow-x: hidden;
}

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

@media (min-width: 768px) {
    .container {
        padding: 0 var(--spacing-lg);
    }
}

/* ===================================
   Typography
   =================================== */

h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
}

h1 {
    font-size: var(--font-size-3xl);
}

h2 {
    font-size: var(--font-size-2xl);
}

h3 {
    font-size: var(--font-size-xl);
}

p {
    margin-bottom: var(--spacing-md);
}

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

ul {
    list-style: none;
}

/* ===================================
   Gradient Text
   =================================== */

.gradient-text {
    background: linear-gradient(135deg, var(--primary-pink), var(--orchid-purple));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
/* ===================================
   Navigation
   =================================== */

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
    z-index: 1000;
    padding: var(--spacing-md) 0;
}

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

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: var(--font-size-xl);
    font-weight: 700;
}

.logo-icon {
    font-size: 28px;
}

.logo-text {
    background: linear-gradient(135deg, var(--primary-pink), var(--orchid-purple));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-links {
    display: none;
    gap: var(--spacing-lg);
}

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

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

@media (min-width: 768px) {
    .nav-links {
        display: flex;
    }
}

/* Mobile Menu Button */
.mobile-menu-btn {
    display: flex;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-xs);
}

.mobile-menu-btn span {
    width: 24px;
    height: 2px;
    background: var(--text-dark);
    transition: var(--transition-fast);
}

@media (min-width: 768px) {
    .mobile-menu-btn {
        display: none;
    }
}

/* Mobile Menu */
.mobile-menu {
    position: fixed;
    top: 70px;
    left: 0;
    right: 0;
    background: var(--white);
    box-shadow: var(--shadow-lg);
    padding: var(--spacing-lg);
    display: none;
    flex-direction: column;
    gap: var(--spacing-md);
    z-index: 999;
}

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

.mobile-menu a {
    font-weight: 500;
    color: var(--text-dark);
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid var(--border-color);
}

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

.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: var(--spacing-3xl) 0;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, 
        rgba(255, 107, 157, 0.1) 0%, 
        rgba(218, 112, 214, 0.1) 50%, 
        rgba(255, 182, 193, 0.1) 100%);
    z-index: -1;
}

.hero-content {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.hero-title {
    font-size: clamp(2.5rem, 8vw, 4rem);
    margin-bottom: var(--spacing-md);
}

.hero-subtitle {
    font-size: var(--font-size-xl);
    color: var(--text-light);
    margin-bottom: var(--spacing-lg);
    font-weight: 500;
}

.hero-description {
    font-size: var(--font-size-lg);
    color: var(--text-light);
    margin-bottom: var(--spacing-2xl);
    line-height: 1.8;
}

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

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-md) var(--spacing-xl);
    border-radius: var(--radius-full);
    font-weight: 600;
    font-size: var(--font-size-base);
    transition: var(--transition-base);
    cursor: pointer;
    border: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-pink), var(--orchid-purple));
    color: var(--white);
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

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

.btn-secondary:hover {
    background: var(--primary-pink);
    color: var(--white);
}

.btn-icon {
    font-size: 20px;
}

/* ===================================
   Section Headers
   =================================== */

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-3xl);
}

.section-title {
    font-size: clamp(2rem, 5vw, 2.5rem);
    margin-bottom: var(--spacing-md);
}

.section-subtitle {
    font-size: var(--font-size-lg);
    color: var(--text-light);
    max-width: 600px;
    margin: 0 auto;
}

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

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

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

.feature-card {
    text-align: center;
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    background: var(--bg-light);
    transition: var(--transition-base);
}

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

.feature-icon {
    font-size: 48px;
    margin-bottom: var(--spacing-md);
}

.feature-title {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-sm);
    color: var(--text-dark);
}

.feature-description {
    font-size: var(--font-size-base);
    color: var(--text-light);
    line-height: 1.6;
    margin-bottom: 0;
}

/* ===================================
   Games Section
   =================================== */

.games {
    padding: var(--spacing-3xl) 0;
    background: var(--bg-light);
}

.games-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-xl);
}

.game-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-sm);
    transition: var(--transition-base);
    border: 2px solid transparent;
}

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

.game-icon {
    font-size: 64px;
    margin-bottom: var(--spacing-md);
    text-align: center;
}

.game-title {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-xs);
    color: var(--text-dark);
}

.game-subtitle {
    font-size: var(--font-size-sm);
    color: var(--text-light);
    margin-bottom: var(--spacing-md);
}

.game-description {
    font-size: var(--font-size-base);
    color: var(--text-light);
    line-height: 1.6;
    margin-bottom: var(--spacing-lg);
}

.game-features {
    list-style: none;
    padding: 0;
}

.game-features li {
    font-size: var(--font-size-sm);
    color: var(--text-light);
    padding: var(--spacing-xs) 0;
    padding-left: var(--spacing-lg);
    position: relative;
}

.game-features li::before {
    content: "💕";
    position: absolute;
    left: 0;
    font-size: 14px;
}

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

.download {
    padding: var(--spacing-3xl) 0;
    background: linear-gradient(135deg, 
        rgba(255, 107, 157, 0.05) 0%, 
        rgba(218, 112, 214, 0.05) 100%);
}

.download-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-2xl);
    align-items: center;
}

@media (min-width: 768px) {
    .download-content {
        grid-template-columns: 1fr 1fr;
    }
}

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

@media (min-width: 768px) {
    .download-text {
        text-align: left;
    }
}

.download-title {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    margin-bottom: var(--spacing-md);
    color: var(--text-dark);
}

.download-description {
    font-size: var(--font-size-lg);
    color: var(--text-light);
    margin-bottom: var(--spacing-xl);
    line-height: 1.8;
}

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

@media (min-width: 768px) {
    .download-buttons {
        justify-content: flex-start;
    }
}

.store-button {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--text-dark);
    color: var(--white);
    border-radius: var(--radius-md);
    transition: var(--transition-base);
    box-shadow: var(--shadow-md);
}

.store-button:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    background: var(--primary-pink);
}

.store-icon {
    width: 32px;
    height: 32px;
}

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

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

.store-label {
    font-size: var(--font-size-xs);
    opacity: 0.8;
}

.store-name {
    font-size: var(--font-size-lg);
    font-weight: 600;
}

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

.phone-mockup {
    width: 280px;
    height: 560px;
    background: linear-gradient(135deg, var(--primary-pink), var(--orchid-purple));
    border-radius: 40px;
    padding: 12px;
    box-shadow: var(--shadow-xl);
    position: relative;
}

.phone-screen {
    width: 100%;
    height: 100%;
    background: var(--white);
    border-radius: 32px;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

.app-preview {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, 
        rgba(255, 107, 157, 0.1) 0%, 
        rgba(218, 112, 214, 0.1) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
}

.preview-hearts {
    display: flex;
    gap: var(--spacing-md);
    font-size: 48px;
    animation: float 3s ease-in-out infinite;
}

.preview-hearts .heart:nth-child(2) {
    animation-delay: 0.5s;
}

.preview-hearts .heart:nth-child(3) {
    animation-delay: 1s;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-20px);
    }
}

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

.footer {
    background: var(--text-dark);
    color: var(--white);
    padding: var(--spacing-3xl) 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;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: var(--font-size-xl);
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

.footer-tagline {
    font-size: var(--font-size-sm);
    opacity: 0.8;
    margin-bottom: 0;
}

.footer-title {
    font-size: var(--font-size-lg);
    font-weight: 600;
    margin-bottom: var(--spacing-md);
}

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

.footer-links a {
    color: var(--white);
    opacity: 0.8;
    transition: var(--transition-fast);
}

.footer-links a:hover {
    opacity: 1;
    color: var(--primary-pink);
}

.footer-text {
    font-size: var(--font-size-sm);
    opacity: 0.8;
    line-height: 1.6;
    margin-bottom: 0;
}

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

.footer-bottom p {
    font-size: var(--font-size-sm);
    opacity: 0.6;
    margin-bottom: 0;
}

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

@media (max-width: 767px) {
    .hero {
        min-height: 80vh;
        padding: var(--spacing-2xl) 0;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .hero-subtitle {
        font-size: var(--font-size-base);
    }

    .hero-description {
        font-size: var(--font-size-base);
    }

    .section-title {
        font-size: 1.75rem;
    }

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

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

    .phone-mockup {
        width: 240px;
        height: 480px;
    }
}

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

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

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

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

/* Scroll Animations */
.fade-in {
    animation: fadeIn 0.6s ease-out;
}

.slide-in-left {
    animation: slideInLeft 0.6s ease-out;
}

.slide-in-right {
    animation: slideInRight 0.6s ease-out;
}

/* ===================================
   Utility Classes
   =================================== */

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

.text-gradient {
    background: linear-gradient(135deg, var(--primary-pink), var(--orchid-purple));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.mt-1 { margin-top: var(--spacing-xs); }
.mt-2 { margin-top: var(--spacing-sm); }
.mt-3 { margin-top: var(--spacing-md); }
.mt-4 { margin-top: var(--spacing-lg); }
.mt-5 { margin-top: var(--spacing-xl); }

.mb-1 { margin-bottom: var(--spacing-xs); }
.mb-2 { margin-bottom: var(--spacing-sm); }
.mb-3 { margin-bottom: var(--spacing-md); }
.mb-4 { margin-bottom: var(--spacing-lg); }
.mb-5 { margin-bottom: var(--spacing-xl); }