/* CSS Variables for Dark Theme */
:root {
    --primary-color: #ff6b9d;
    --secondary-color: #c44569;
    --accent-color: #f8b500;
    --bg-primary: #0a0a0a;
    --bg-secondary: #1a1a1a;
    --bg-tertiary: #2a2a2a;
    --text-primary: #ffffff;
    --text-secondary: #b0b0b0;
    --text-muted: #808080;
    --border-color: #333333;
    --gradient-primary: linear-gradient(135deg, #ff6b9d 0%, #c44569 100%);
    --gradient-secondary: linear-gradient(135deg, #ff9a9e 0%, #fecfef 50%, #fecfef 100%);
    --shadow-light: 0 4px 15px rgba(255, 107, 157, 0.2);
    --shadow-medium: 0 8px 25px rgba(0, 0, 0, 0.3);
    --shadow-heavy: 0 15px 35px rgba(0, 0, 0, 0.5);
    --border-radius: 12px;
    --border-radius-large: 20px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Poppins', sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.2;
}

.gradient-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header Styles */
.header {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    transition: var(--transition);
}

.nav {
    padding: 1rem 0;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo-text {
    font-family: 'Dancing Script', cursive;
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--primary-color);
    text-decoration: none;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
}

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

.nav-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.bar {
    width: 25px;
    height: 3px;
    background: var(--text-primary);
    margin: 3px 0;
    transition: var(--transition);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    background: var(--bg-primary);
    overflow: hidden;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    width: 100%;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    padding-top: 80px;
}

.hero-title {
    font-size: 3.8rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    line-height: 1.1;
}

.hero-description {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 2.5rem;
    line-height: 1.6;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    border-radius: var(--border-radius);
    text-decoration: none;
    font-weight: 600;
    font-size: 1rem;
    transition: var(--transition);
    border: none;
    cursor: pointer;
}

.btn-primary {
    animation: pulse-glow 2s infinite;
    background: var(--gradient-primary);
    color: white;
    box-shadow: var(--shadow-light);
}

@keyframes pulse-glow {
    0%, 100% {
        box-shadow: 0 4px 15px rgba(255, 107, 157, 0.4);
    }
    50% {
        box-shadow: 0 4px 25px rgba(255, 107, 157, 0.8);
    }
}

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

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

.btn-secondary:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.btn-large {
    padding: 1.2rem 2.5rem;
    font-size: 1.1rem;
}

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

.btn-subtitle {
    font-size: 0.8rem;
    font-weight: 400;
}

.btn-title {
    font-size: 1.1rem;
    font-weight: 600;
}

.hero-stats {
    display: flex;
    gap: 2rem;
}

.stat {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--primary-color);
}

.stat-label {
    font-size: 0.9rem;
    color: var(--text-secondary);
}


.hero-image {
    display: flex;
    justify-content: center;
    align-items: center;
}


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

.hero-app-image {
    width: 100%;
    height: 100%;
    object-fit: cover; /* Changed from contain to cover */
    object-position: center top; /* Changed to show top of image */
    display: block;
    background: var(--bg-tertiary);
}

.chat-interface {
    height: 100%;
    display: flex;
    flex-direction: column;
}

.chat-header {
    padding: 20px;
    background: var(--bg-secondary);
    display: flex;
    align-items: center;
    gap: 15px;
    border-bottom: 1px solid var(--border-color);
}

.character-avatar {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--gradient-primary);
}

.character-info h4 {
    color: var(--text-primary);
    margin-bottom: 5px;
}

.status {
    color: #4ade80;
    font-size: 0.8rem;
}

.chat-messages {
    flex: 1;
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.message {
    max-width: 80%;
    padding: 12px 16px;
    border-radius: 18px;
    font-size: 0.9rem;
}

.message.received {
    background: var(--bg-secondary);
    align-self: flex-start;
}

.message.sent {
    background: var(--primary-color);
    align-self: flex-end;
    color: white;
}

/* Floating Hearts Animation */
.hero-bg-elements {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: -1;
}

.floating-heart {
    position: absolute;
    font-size: 2rem;
    opacity: 0.1;
    animation: float 6s ease-in-out infinite;
}

.heart-1 {
    top: 20%;
    left: 10%;
    animation-delay: 0s;
}

.heart-2 {
    top: 60%;
    right: 15%;
    animation-delay: 2s;
}

.heart-3 {
    top: 80%;
    left: 20%;
    animation-delay: 4s;
}

.heart-4 {
    top: 40%;
    right: 30%;
    animation-delay: 1s;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0px) rotate(0deg);
    }
    33% {
        transform: translateY(-20px) rotate(5deg);
    }
    66% {
        transform: translateY(-10px) rotate(-5deg);
    }
}

/* Section Styles */
section {
    padding: 5rem 0;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-title {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

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

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.feature-card {
    background: var(--bg-tertiary);
    padding: 2.5rem;
    border-radius: var(--border-radius-large);
    text-align: center;
    transition: var(--transition);
    border: 1px solid var(--border-color);
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-medium);
    border-color: var(--primary-color);
}

.feature-icon {
    width: 80px;
    height: 80px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    font-size: 2rem;
    color: white;
}

.feature-card h3 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

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

/* Characters Section */
.characters {
    background: var(--bg-primary);
}

.characters-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.character-card {
    background: var(--bg-secondary);
    border-radius: var(--border-radius-large);
    overflow: hidden;
    transition: var(--transition);
    border: 1px solid var(--border-color);
}

.character-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-light);
}

.character-image {
    height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-secondary);
}

.character-avatar {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    border: 4px solid white;
}

.char-1 {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.char-2 {
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
}

.char-3 {
    background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
}

.character-info {
    padding: 2rem;
}

.character-info h3 {
    font-size: 1.4rem;
    margin-bottom: 0.5rem;
}

.character-trait {
    color: var(--primary-color);
    font-weight: 600;
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

.character-info p {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Download Section */
.download {
    background: var(--bg-secondary);
}

.download-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.download-buttons {
    margin: 2rem 0;
}

.download-info {
    display: flex;
    gap: 2rem;
    flex-wrap: wrap;
}

.info-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-secondary);
}

.info-item i {
    color: var(--primary-color);
}

.app-screens {
    display: flex;
    gap: 1rem;
}

.screen {
    width: 150px;
    height: 300px;
    background: var(--bg-tertiary);
    border-radius: 20px;
    padding: 20px;
    border: 1px solid var(--border-color);
}

.screen-2 {
    transform: translateY(20px);
}

.screen-content {
    height: 100%;
    background: var(--gradient-primary);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 600;
}

/* Footer */
.footer {
    background: var(--bg-primary);
    border-top: 1px solid var(--border-color);
    padding: 3rem 0 1rem;
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 3rem;
    margin-bottom: 2rem;
}

.footer-brand h3 {
    font-family: 'Dancing Script', cursive;
    color: var(--primary-color);
    font-size: 1.8rem;
    margin-bottom: 0.5rem;
}

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

.footer-links {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
}

.footer-section h4 {
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 0.5rem;
}

.footer-section ul li a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition);
}

.footer-section ul li a:hover {
    color: var(--primary-color);
}

.footer-bottom {
    border-top: 1px solid var(--border-color);
    padding-top: 1rem;
    text-align: center;
    color: var(--text-secondary);
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background: var(--bg-secondary);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        padding: 2rem 0;
    }

    .nav-menu.active {
        left: 0;
    }

    .nav-toggle {
        display: flex;
    }

    .hero-content {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
    }

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

    .phone-mockup {
        width: 300px;
        height: 600px;
    }

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

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

    .download-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

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

    .download-info {
        justify-content: center;
    }

    .btn {
        width: 100%;
        justify-content: center;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }

    .section-title {
        font-size: 2rem;
    }

    .hero-stats {
        flex-direction: column;
        gap: 1rem;
    }

    .phone-mockup {
        width: 250px;
        height: 500px;
    }

    .feature-card,
    .character-info {
        padding: 1.5rem;
    }

    .app-screens {
        flex-direction: column;
        align-items: center;
    }

    .screen {
        width: 120px;
        height: 240px;
    }

    .screen-2 {
        transform: translateY(0);
    }
}

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

.fade-in-up {
    animation: fadeInUp 0.6s ease-out;
}

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

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

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

::-webkit-scrollbar-thumb:hover {
    background: var(--secondary-color);
}

/* Loading Animation */
.pulse {
    animation: pulse 2s infinite;
}

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

/* Download Notification Widget */
.download-notification {
    position: fixed;
    bottom: 30px;
    left: 30px;
    background: rgba(26, 26, 26, 0.95);
    padding: 15px 20px;
    border-radius: 12px;
    border: 1px solid #333;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
    display: flex;
    align-items: center;
    gap: 12px;
    z-index: 1001;
    transform: translateX(-150%);
    transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.download-notification.show {
    transform: translateX(0);
}

.notification-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: linear-gradient(135deg, #ff6b9d 0%, #c44569 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
}

.notification-content {
    flex: 1;
}

.notification-name {
    color: #ffffff;
    font-weight: 600;
    font-size: 0.9rem;
    margin-bottom: 2px;
}

.notification-text {
    color: #b0b0b0;
    font-size: 0.8rem;
}

.notification-time {
    color: #808080;
    font-size: 0.75rem;
    white-space: nowrap;
}

.notification-close {
    background: none;
    border: none;
    color: #808080;
    cursor: pointer;
    font-size: 1.2rem;
    padding: 0 5px;
    transition: color 0.3s;
}

.notification-close:hover {
    color: #ffffff;
}

@media (max-width: 768px) {
    .download-notification {
        left: 10px;
        right: 10px;
        bottom: 20px;
        width: auto;
        padding: 12px 15px;
    }
}