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

:root {
    --primary-color: #6366f1;
    --primary-dark: #4f46e5;
    --secondary-color: #ec4899;
    --accent-color: #06b6d4;
    --background: #ffffff;
    --surface: #f8fafc;
    --surface-dark: #f1f5f9;
    --text-primary: #0f172a;
    --text-secondary: #64748b;
    --text-muted: #94a3b8;
    --border: #e2e8f0;
    --shadow: rgba(0, 0, 0, 0.1);
    --shadow-lg: rgba(0, 0, 0, 0.15);
    --gradient: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    --border-radius: 12px;
    --border-radius-lg: 20px;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background: var(--background);
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
    z-index: 1000;
    transition: all 0.3s ease;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.logo-img {
    height: 40px;
    width: auto;
    object-fit: contain;
    /* Convert blue to purple gradient colors */
    filter: hue-rotate(30deg) saturate(1.3) brightness(1.1);
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-link {
    text-decoration: none;
    color: var(--text-secondary);
    font-weight: 500;
    transition: color 0.3s ease;
}

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

.cta-button {
    background: var(--gradient);
    color: white;
    border: none;
    padding: 0.75rem 1.5rem;
    border-radius: var(--border-radius);
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px var(--shadow-lg);
}

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

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--text-primary);
    margin: 3px 0;
    transition: 0.3s;
}

/* Hero Section */
.hero {
    padding: 140px 0 80px;
    background: linear-gradient(135deg, var(--surface) 0%, rgba(99, 102, 241, 0.05) 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: 1.5rem;
}

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

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    line-height: 1.6;
}

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

.primary-button, .secondary-button {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    border-radius: var(--border-radius);
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 1rem;
    border: none;
}

.primary-button {
    background: var(--gradient);
    color: white;
}

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

.primary-button:hover, .secondary-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px var(--shadow-lg);
}

.hero-stats {
    display: flex;
    gap: 3rem;
}

.stat {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-color);
}

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

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

.phone-mockup {
    width: 300px;
    height: 600px;
    background: #1f2937;
    border-radius: 40px;
    padding: 20px;
    position: relative;
    box-shadow: 0 25px 50px var(--shadow-lg);
}

.phone-screen {
    width: 100%;
    height: 100%;
    background: white;
    border-radius: 30px;
    overflow: hidden;
    position: relative;
}

.chat-preview {
    padding: 2rem 1rem;
    height: 100%;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.message {
    max-width: 80%;
    padding: 0.75rem 1rem;
    border-radius: 18px;
    animation: slideIn 0.5s ease;
}

.message.received {
    background: white;
    color: var(--text-primary);
    align-self: flex-start;
    border-bottom-left-radius: 4px;
}

.message.sent {
    background: var(--primary-color);
    color: white;
    align-self: flex-end;
    border-bottom-right-radius: 4px;
}

.post-composer {
    max-width: 80%;
    padding: 0.75rem 1rem;
    border-radius: 18px;
    background: white;
    color: var(--text-primary);
    align-self: flex-start;
    border-bottom-left-radius: 4px;
    animation: slideIn 0.5s ease;
    opacity: 0;
    transform: translateY(20px);
}

.message {
    max-width: 80%;
    padding: 0.75rem 1rem;
    border-radius: 18px;
    animation: slideIn 0.5s ease;
    opacity: 0;
    transform: translateY(20px);
}

.message.received {
    background: white;
    color: var(--text-primary);
    align-self: flex-start;
    border-bottom-left-radius: 4px;
}

.leaderboard-transition {
    max-width: 85%;
    padding: 0.75rem 1rem;
    border-radius: 18px;
    background: white;
    color: var(--text-primary);
    align-self: flex-start;
    border-bottom-left-radius: 4px;
    animation: slideIn 0.5s ease;
    opacity: 0;
    transform: translateY(20px);
}

.composer-input {
    background: white;
    border-radius: 12px;
    padding: 0.75rem;
    margin-bottom: 0.75rem;
    min-height: 50px;
    display: flex;
    align-items: center;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    font-size: 0.9rem;
}

.typing-text {
    color: #333;
    flex: 1;
}

.typing-cursor {
    width: 2px;
    height: 18px;
    background: var(--primary-color);
    margin-left: 4px;
    animation: blink 1s infinite;
}

@keyframes blink {
    0%, 50% { opacity: 1; }
    51%, 100% { opacity: 0; }
}

.post-btn {
    background: var(--gradient);
    color: white;
    border: none;
    border-radius: 10px;
    padding: 0.75rem 1.5rem;
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    width: 100%;
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3);
}

.posted-msg {
    background: rgba(255, 255, 255, 0.95);
    border-radius: 20px;
    padding: 1rem 1.5rem;
    color: #333;
    font-weight: 500;
    text-align: center;
    backdrop-filter: blur(10px);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
}

.leaderboard-transition {
    background: rgba(255, 255, 255, 0.95);
    border-radius: 16px;
    padding: 1rem;
    backdrop-filter: blur(10px);
    max-height: 300px;
    overflow: hidden;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
}

.message {
    max-width: 90%;
    padding: 1rem 1.5rem;
    border-radius: 20px;
    animation: slideIn 0.5s ease;
    margin: 0.5rem 0;
}

.message.received {
    background: rgba(255, 255, 255, 0.95);
    color: #333;
    align-self: center;
    text-align: center;
    font-weight: 500;
    backdrop-filter: blur(10px);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
}

.leaderboard-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem;
    border-radius: 12px;
    font-size: 0.8rem;
    font-weight: 500;
    background: rgba(255, 255, 255, 0.7);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.leaderboard-item.rank-1 {
    background: linear-gradient(135deg, #fbbf24, #f59e0b);
    color: white;
    box-shadow: 0 4px 16px rgba(251, 191, 36, 0.3);
}

.leaderboard-item.rank-2 {
    background: linear-gradient(135deg, #9ca3af, #6b7280);
    color: white;
    box-shadow: 0 4px 16px rgba(156, 163, 175, 0.3);
}

.leaderboard-item.rank-3 {
    background: linear-gradient(135deg, #cd7c2f, #92400e);
    color: white;
    box-shadow: 0 4px 16px rgba(205, 124, 47, 0.3);
}

.leaderboard-item.current-user {
    background: var(--gradient);
    color: white;
    font-weight: 600;
    box-shadow: 0 4px 16px rgba(99, 102, 241, 0.3);
}

.rank {
    font-weight: 700;
    min-width: 30px;
    font-size: 0.9rem;
}

.user {
    flex: 1;
    text-align: left;
    padding-left: 0.75rem;
}

.points {
    font-weight: 700;
    font-size: 0.75rem;
}

.message {
    max-width: 80%;
    padding: 0.75rem 1rem;
    border-radius: 18px;
    animation: slideIn 0.5s ease;
}

.message.received {
    background: white;
    color: var(--text-primary);
    align-self: flex-start;
    border-bottom-left-radius: 4px;
}

.message.sent {
    background: var(--primary-color);
    color: white;
    align-self: flex-end;
    border-bottom-right-radius: 4px;
}

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

.section-header h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.section-header p {
    font-size: 1.25rem;
    color: var(--text-secondary);
}

/* Features */
.features {
    padding: 80px 0;
    background: var(--background);
}

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

.feature-card {
    background: white;
    padding: 2rem;
    border-radius: var(--border-radius-lg);
    border: 1px solid var(--border);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.feature-card:hover::before {
    transform: scaleX(1);
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px var(--shadow-lg);
}

.feature-icon {
    width: 60px;
    height: 60px;
    background: var(--gradient);
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.feature-icon i {
    font-size: 1.5rem;
    color: white;
}

.feature-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

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

/* Security Section */
.security {
    padding: 80px 0;
    background: var(--surface);
}

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

.security-text h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.security-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

.security-features {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.security-feature {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
}

.security-feature i {
    width: 40px;
    height: 40px;
    background: var(--gradient);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    flex-shrink: 0;
    margin-top: 0.25rem;
}

.security-feature h4 {
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.security-feature p {
    color: var(--text-secondary);
}

.security-visual {
    display: flex;
    justify-content: center;
}

.security-diagram {
    background: white;
    padding: 3rem;
    border-radius: var(--border-radius-lg);
    box-shadow: 0 10px 30px var(--shadow);
    text-align: center;
}

.encryption-layer {
    background: var(--gradient);
    color: white;
    padding: 1rem 2rem;
    border-radius: var(--border-radius);
    margin-bottom: 2rem;
    font-weight: 600;
}

.encryption-layer i {
    margin-right: 0.5rem;
}

.security-flow {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
}

.flow-step {
    text-align: center;
    padding: 1rem;
    border: 2px solid var(--border);
    border-radius: var(--border-radius);
    background: var(--surface);
    min-width: 80px;
}

.flow-step i {
    font-size: 1.5rem;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.flow-arrow {
    color: var(--primary-color);
    font-weight: bold;
    font-size: 1.5rem;
}

/* About Section */
.about {
    padding: 80px 0;
    background: var(--background);
}

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

.about-content h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.about-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 3rem;
}

.founders {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 3rem;
    margin-top: 3rem;
}

.founder {
    background: white;
    padding: 2rem;
    border-radius: var(--border-radius-lg);
    border: 1px solid var(--border);
    transition: all 0.3s ease;
}

.founder:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px var(--shadow-lg);
}

.founder-avatar {
    width: 80px;
    height: 80px;
    background: var(--gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    overflow: hidden;
    position: relative;
}

.founder-avatar::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--gradient);
    z-index: 1;
    opacity: 0.1;
}

.founder-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 50%;
    position: relative;
    z-index: 2;
}

.founder-avatar i {
    font-size: 2rem;
    color: white;
}

.founder h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.founder p {
    color: var(--text-secondary);
    margin-bottom: 1rem;
}

.founder-bio {
    color: var(--text-muted) !important;
    font-style: italic;
}

/* CTA Section */
.cta {
    padding: 80px 0;
    background: var(--gradient);
    color: white;
}

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

.cta-content h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.cta-content p {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.cta-form {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 1rem;
}

.email-input {
    padding: 1rem 1.5rem;
    border: none;
    border-radius: var(--border-radius);
    font-size: 1rem;
    min-width: 300px;
    outline: none;
}

.submit-button {
    padding: 1rem 2rem;
    background: white;
    color: var(--primary-color);
    border: none;
    border-radius: var(--border-radius);
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.submit-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
}

.cta-note {
    opacity: 0.8;
    font-size: 0.9rem;
}

/* Footer */
.footer {
    background: var(--text-primary);
    color: white;
    padding: 3rem 0 1rem;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.5rem;
    font-weight: 700;
}

.footer-logo-img {
    height: 32px;
    width: auto;
    object-fit: contain;
    filter: brightness(0) invert(1);
}

.footer-logo i {
    font-size: 2rem;
    color: var(--primary-color);
}

.footer-links {
    display: flex;
    gap: 2rem;
}

.footer-links a {
    color: var(--text-muted);
    text-decoration: none;
    transition: color 0.3s ease;
}

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

.footer-social {
    display: flex;
    gap: 1rem;
}

.footer-social a {
    width: 40px;
    height: 40px;
    background: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    text-decoration: none;
    transition: all 0.3s ease;
}

.footer-social a:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px var(--shadow);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid var(--border);
    color: var(--text-muted);
}

/* Animations */
@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

/* Responsive Design */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }
    
    .nav-menu {
        display: none;
    }
    
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 2rem;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .hero-stats {
        justify-content: center;
        gap: 2rem;
    }
    
    .phone-mockup {
        width: 250px;
        height: 500px;
    }
    
    .security-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .security-flow {
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .flow-arrow {
        transform: rotate(90deg);
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .cta-form {
        flex-direction: column;
        align-items: center;
    }
    
    .email-input {
        min-width: 280px;
    }
    
    .footer-content {
        flex-direction: column;
        gap: 2rem;
        text-align: center;
    }
    
    .footer-links {
        order: -1;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 1rem;
    }
    
    .nav-container {
        padding: 0 1rem;
    }
    
    .hero {
        padding: 120px 0 60px;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .section-header h2 {
        font-size: 2rem;
    }
    
    .features, .security, .about, .cta {
        padding: 60px 0;
    }
}

/* Fix for phone messages - ensure they're always visible */
.chat-preview .message {
    opacity: 1 !important;
    transform: none !important;
    animation: none !important;
    transition: none !important;
    visibility: visible !important;
    display: block !important;
}

.chat-preview .message.received {
    background: white !important;
    color: #333 !important;
}

.chat-preview .message.sent {
    background: #6366f1 !important;
    color: white !important;
}

/* New phone mockup styles */
.app-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem;
    color: white;
    font-weight: 600;
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
    margin-bottom: 1rem;
}

.post-section {
    padding: 0 1rem;
    margin-bottom: 1rem;
}

.anonymous-post {
    background: rgba(255, 255, 255, 0.95);
    border-radius: 12px;
    padding: 0.75rem;
    margin-bottom: 0.75rem;
    backdrop-filter: blur(10px);
}

.anonymous-post span {
    color: #888;
    font-size: 0.7rem;
    font-weight: 500;
}

.anonymous-post p {
    color: #333;
    font-size: 0.8rem;
    margin: 0.5rem 0;
    line-height: 1.4;
}

.post-stats {
    display: flex;
    gap: 1rem;
    margin-top: 0.5rem;
}

.post-stats span {
    color: #666;
    font-size: 0.7rem;
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.leaderboard-section {
    background: rgba(255, 255, 255, 0.95);
    border-radius: 12px;
    padding: 0.75rem;
    margin: 0 1rem;
    backdrop-filter: blur(10px);
}

.leaderboard-header {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.75rem;
    font-weight: 600;
    color: #333;
    font-size: 0.8rem;
}

.leaderboard-header i {
    color: #fbbf24;
}

.leaderboard-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.4rem 0.5rem;
    margin-bottom: 0.3rem;
    border-radius: 6px;
    font-size: 0.7rem;
    background: rgba(255, 255, 255, 0.5);
}

.leaderboard-item.rank-1 {
    background: linear-gradient(135deg, #fbbf24, #f59e0b);
    color: white;
}

.leaderboard-item.rank-2 {
    background: linear-gradient(135deg, #9ca3af, #6b7280);
    color: white;
}

.leaderboard-item.rank-3 {
    background: linear-gradient(135deg, #cd7c2f, #92400e);
    color: white;
}

.leaderboard-item .rank {
    font-weight: 700;
    min-width: 25px;
}

.leaderboard-item .user {
    flex: 1;
    text-align: left;
    padding-left: 0.5rem;
}

.leaderboard-item .points {
    font-weight: 600;
    font-size: 0.65rem;
}