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

:root {
    --primary-color: #2563eb;
    --primary-dark: #1e40af;
    --secondary-color: #10b981;
    --accent-color: #f59e0b;
    --text-dark: #1f2937;
    --text-light: #6b7280;
    --bg-light: #f9fafb;
    --bg-white: #ffffff;
    --border-color: #e5e7eb;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-secondary: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --gradient-hero: linear-gradient(135deg, #667eea 0%, #764ba2 50%, #f093fb 100%);
    color-scheme: only light;
}

/* Force light theme on Android/iOS when system dark mode is active */
@media (prefers-color-scheme: dark) {
    :root, html, body {
        color-scheme: only light;
    }
    html, body {
        background-color: #ffffff !important;
        color: #1f2937 !important;
    }
    .navbar {
        background: rgba(255, 255, 255, 0.95) !important;
    }
    .feature-card,
    .feedback-form,
    .form-group input,
    .form-group textarea,
    .form-group select {
        background-color: #ffffff !important;
        color: #1f2937 !important;
        border-color: #e5e7eb !important;
    }
    .nav-link,
    .section-title,
    .feature-title,
    .feature-description {
        color: #1f2937 !important;
    }
    .section-subtitle,
    .feature-description,
    .form-hint,
    .form-note {
        color: #6b7280 !important;
    }
    .download .section-subtitle {
        color: rgba(255, 255, 255, 1) !important;
    }
    .mobile-menu-toggle span {
        background: #1f2937 !important;
    }
    .footer {
        background-color: #1f2937 !important;
    }
}

html {
    scroll-behavior: smooth;
    color-scheme: only light;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--bg-white);
    overflow-x: hidden;
}

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

/* 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;
    transition: all 0.3s ease;
}

.navbar.scrolled {
    box-shadow: var(--shadow-md);
}

.nav-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
}

.logo {
    text-decoration: none;
    display: flex;
    align-items: center;
    transition: transform 0.3s ease;
}

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

.logo img {
    height: 40px;
    width: auto;
    display: block;
}

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

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

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

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: width 0.3s ease;
}

.nav-link:hover::after {
    width: 100%;
}

.nav-link.lang-switcher {
    font-weight: 600;
    padding: 0.35rem 0.75rem;
    border-radius: 6px;
    background: rgba(124, 58, 237, 0.15);
    color: #7c3aed;
}

.nav-link.lang-switcher:hover {
    background: rgba(124, 58, 237, 0.25);
}

.nav-link.lang-switcher::after {
    display: none;
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
}

.mobile-menu-toggle span {
    width: 25px;
    height: 3px;
    background: var(--text-dark);
    border-radius: 3px;
    transition: all 0.3s ease;
}

.mobile-menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(8px, 8px);
}

.mobile-menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
}

/* Hero Section */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding-top: 80px;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--gradient-hero);
    opacity: 0.1;
    z-index: -1;
}

.hero-background::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(102, 126, 234, 0.1) 0%, transparent 70%);
    animation: rotate 20s linear infinite;
}

@keyframes rotate {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

.hero-content {
    text-align: center;
    max-width: 800px;
    animation: fadeInUp 1s ease;
    position: relative;
    z-index: 1;
}

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

.hero-title {
    font-size: 4rem;
    font-weight: 800;
    margin-bottom: 1rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-tagline {
    font-size: 1.5rem;
    color: var(--text-light);
    margin-bottom: 1.5rem;
    font-weight: 500;
}

.hero-description {
    font-size: 1.125rem;
    color: var(--text-light);
    margin-bottom: 2rem;
    line-height: 1.8;
}

.hero-notice {
    font-size: 0.9rem;
    color: var(--text-light);
    margin-bottom: 1.5rem;
    padding: 0.5rem 0;
    display: inline-block;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* Scattered Particles - Inspired by Logo Design */
.particles-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    z-index: 0;
    pointer-events: none;
}

.particle {
    position: absolute;
    border-radius: 50%;
    animation: particleFloat 20s infinite ease-in-out;
}

/* Logo color palette particles */
.particle-1 {
    width: 8px;
    height: 8px;
    top: 15%;
    left: 10%;
    background: #ffb3d9; /* Light pink */
    opacity: 0.6;
    animation-delay: 0s;
}

.particle-2 {
    width: 6px;
    height: 6px;
    top: 25%;
    left: 85%;
    background: #6b46c1; /* Dark purple */
    opacity: 0.7;
    animation-delay: 1.5s;
}

.particle-3 {
    width: 10px;
    height: 10px;
    top: 45%;
    left: 15%;
    background: #3b82f6; /* Bright blue */
    opacity: 0.65;
    animation-delay: 3s;
}

.particle-4 {
    width: 7px;
    height: 7px;
    top: 60%;
    left: 75%;
    background: #ff6b6b; /* Reddish-orange */
    opacity: 0.6;
    animation-delay: 4.5s;
}

.particle-5 {
    width: 9px;
    height: 9px;
    top: 20%;
    left: 50%;
    background: #ffd93d; /* Orange-yellow */
    opacity: 0.7;
    animation-delay: 6s;
}

.particle-6 {
    width: 5px;
    height: 5px;
    top: 70%;
    left: 25%;
    background: #fffb9d; /* Light yellow */
    opacity: 0.65;
    animation-delay: 7.5s;
}

.particle-7 {
    width: 8px;
    height: 8px;
    top: 35%;
    left: 60%;
    background: #ffb3d9; /* Light pink */
    opacity: 0.6;
    animation-delay: 9s;
}

.particle-8 {
    width: 6px;
    height: 6px;
    top: 55%;
    left: 90%;
    background: #6b46c1; /* Dark purple */
    opacity: 0.7;
    animation-delay: 10.5s;
}

.particle-9 {
    width: 7px;
    height: 7px;
    top: 80%;
    left: 40%;
    background: #3b82f6; /* Bright blue */
    opacity: 0.65;
    animation-delay: 12s;
}

.particle-10 {
    width: 9px;
    height: 9px;
    top: 10%;
    left: 30%;
    background: #ff6b6b; /* Reddish-orange */
    opacity: 0.6;
    animation-delay: 13.5s;
}

.particle-11 {
    width: 5px;
    height: 5px;
    top: 50%;
    left: 5%;
    background: #ffd93d; /* Orange-yellow */
    opacity: 0.7;
    animation-delay: 15s;
}

.particle-12 {
    width: 8px;
    height: 8px;
    top: 65%;
    left: 55%;
    background: #fffb9d; /* Light yellow */
    opacity: 0.65;
    animation-delay: 16.5s;
}

.particle-13 {
    width: 6px;
    height: 6px;
    top: 30%;
    left: 70%;
    background: #ffb3d9; /* Light pink */
    opacity: 0.6;
    animation-delay: 18s;
}

.particle-14 {
    width: 10px;
    height: 10px;
    top: 75%;
    left: 20%;
    background: #6b46c1; /* Dark purple */
    opacity: 0.7;
    animation-delay: 19.5s;
}

.particle-15 {
    width: 7px;
    height: 7px;
    top: 40%;
    left: 45%;
    background: #3b82f6; /* Bright blue */
    opacity: 0.65;
    animation-delay: 21s;
}

@keyframes particleFloat {
    0%, 100% {
        transform: translate(0, 0) scale(1);
        opacity: 0.6;
    }
    25% {
        transform: translate(25px, -40px) scale(1.1);
        opacity: 0.8;
    }
    50% {
        transform: translate(-20px, -70px) scale(0.9);
        opacity: 0.7;
    }
    75% {
        transform: translate(30px, -25px) scale(1.05);
        opacity: 0.75;
    }
}

/* Floating Decorative Elements */
.floating-element {
    position: absolute;
    border-radius: 50%;
    background: var(--gradient-primary);
    opacity: 0.15;
    filter: blur(40px);
    will-change: transform;
    z-index: -1;
}

.floating-element-1 {
    width: 300px;
    height: 300px;
    top: 10%;
    left: 5%;
    animation: float 20s ease-in-out infinite;
}

.floating-element-2 {
    width: 200px;
    height: 200px;
    top: 60%;
    right: 10%;
    animation: floatRotate 25s ease-in-out infinite;
    animation-delay: -2s;
}

.floating-element-3 {
    width: 250px;
    height: 250px;
    bottom: 15%;
    left: 15%;
    animation: float 18s ease-in-out infinite;
    animation-delay: -5s;
}

.floating-element-4 {
    width: 180px;
    height: 180px;
    top: 30%;
    right: 20%;
    animation: floatRotate 22s ease-in-out infinite;
    animation-delay: -8s;
}

.floating-element-5 {
    width: 220px;
    height: 220px;
    bottom: 30%;
    right: 5%;
    animation: pulse 15s ease-in-out infinite;
    animation-delay: -3s;
}

.floating-element-6 {
    width: 160px;
    height: 160px;
    top: 50%;
    left: 8%;
    animation: floatRotate 20s ease-in-out infinite;
    animation-delay: -7s;
}

.floating-element-7 {
    width: 190px;
    height: 190px;
    bottom: 20%;
    right: 25%;
    animation: float 23s ease-in-out infinite;
    animation-delay: -10s;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0px) translateX(0px);
    }
    25% {
        transform: translateY(-30px) translateX(20px);
    }
    50% {
        transform: translateY(-60px) translateX(-15px);
    }
    75% {
        transform: translateY(-30px) translateX(-25px);
    }
}

@keyframes floatRotate {
    0%, 100% {
        transform: translateY(0px) translateX(0px) rotate(0deg);
    }
    25% {
        transform: translateY(-40px) translateX(25px) rotate(90deg);
    }
    50% {
        transform: translateY(-70px) translateX(-20px) rotate(180deg);
    }
    75% {
        transform: translateY(-40px) translateX(-30px) rotate(270deg);
    }
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1) translateY(0px);
        opacity: 0.15;
    }
    50% {
        transform: scale(1.2) translateY(-25px);
        opacity: 0.2;
    }
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.875rem 2rem;
    border-radius: 0.5rem;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    font-size: 1rem;
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: var(--shadow-md);
}

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

.btn-secondary {
    background: transparent;
    color: #764ba2;
    border: 2px solid #764ba2;
}

.btn-secondary:hover {
    background: #764ba2;
    color: white;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

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

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.section-subtitle {
    text-align: center;
    color: var(--text-light);
    font-size: 1.125rem;
    margin-bottom: 3rem;
    background-clip: unset;
    -webkit-background-clip: unset;
}

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

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.feature-card {
    background: var(--bg-white);
    padding: 2rem;
    border-radius: 1rem;
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
    text-align: center;
}

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

.feature-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.feature-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

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

/* Screenshots Section */
.screenshots-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.screenshot-item {
    border-radius: 1rem;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    transition: transform 0.3s ease;
}

.screenshot-item:hover {
    transform: scale(1.05);
}

.screenshot-placeholder {
    aspect-ratio: 9/16;
    background: var(--gradient-primary);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 600;
    text-align: center;
    padding: 2rem;
}

.screenshot-placeholder small {
    display: block;
    margin-top: 0.5rem;
    font-weight: 400;
    opacity: 0.9;
}

.screenshot-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

/* Download Section */
.download {
    background: var(--gradient-primary);
    color: white;
    text-align: center;
}

.download .section-title,
.download .section-subtitle {
    color: white;
}

.download-content {
    max-width: 600px;
    margin: 0 auto;
}

.download-badges {
    display: flex;
    justify-content: center;
    margin: 2rem 0;
}

.app-store-badge {
    display: inline-block;
    transition: transform 0.3s ease;
}

.app-store-badge:hover {
    transform: scale(1.05);
}

.app-store-img {
    height: 60px;
    width: auto;
}

.coming-soon {
    font-size: 1.25rem;
    margin: 1.5rem 0;
    opacity: 0.9;
}

.email-signup {
    margin-top: 2rem;
    padding: 2rem;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 1rem;
    backdrop-filter: blur(10px);
}

.email-signup p {
    margin-bottom: 1rem;
    font-size: 1.125rem;
}

.signup-form {
    display: flex;
    gap: 1rem;
    max-width: 400px;
    margin: 0 auto;
    flex-wrap: wrap;
}

.signup-form input {
    flex: 1;
    min-width: 200px;
    padding: 0.875rem 1rem;
    border: none;
    border-radius: 0.5rem;
    font-size: 1rem;
}

.signup-form input:focus {
    outline: 2px solid white;
    outline-offset: 2px;
}

/* Feedback Section */
.feedback {
    background: var(--bg-white);
}

.feedback-content {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 3rem;
    margin-top: 3rem;
}

.feedback-info {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.feedback-item {
    padding: 1.5rem;
    background: var(--bg-light);
    border-radius: 1rem;
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.feedback-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.feedback-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.feedback-item h3 {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
    color: var(--text-dark);
}

.feedback-item p {
    color: var(--text-light);
    font-size: 0.95rem;
    line-height: 1.6;
}

.feedback-form {
    background: var(--bg-light);
    padding: 2rem;
    border-radius: 1rem;
    box-shadow: var(--shadow-md);
}

.feedback-form .btn {
    display: block;
    margin: 0 auto;
    width: auto;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--text-dark);
}

.form-group label .required {
    color: #ef4444;
}

.form-group label .optional {
    color: var(--text-light);
    font-weight: 400;
    font-size: 0.875rem;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 0.875rem;
    border: 2px solid var(--border-color);
    border-radius: 0.5rem;
    font-size: 1rem;
    font-family: inherit;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
    background: var(--bg-white);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-group select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23333' d='M6 9L1 4h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.875rem center;
    padding-right: 2.5rem;
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

#feedback-message {
    height: 266px;
}

.form-hint {
    display: block;
    margin-top: 0.5rem;
    font-size: 0.875rem;
    color: var(--text-light);
    font-style: italic;
    text-align: center;
}

.form-note {
    margin-top: 1rem;
    margin-bottom: 0;
    font-size: 0.875rem;
    color: var(--text-light);
    text-align: center;
    line-height: 1.6;
}

.form-status {
    padding: 1rem;
    border-radius: 0.5rem;
    margin-bottom: 1rem;
    text-align: center;
    font-size: 0.95rem;
    line-height: 1.6;
}

.form-status.success {
    background: rgba(34, 197, 94, 0.1);
    color: #16a34a;
    border: 1px solid rgba(34, 197, 94, 0.3);
}

.form-status.error {
    background: rgba(239, 68, 68, 0.1);
    color: #dc2626;
    border: 1px solid rgba(239, 68, 68, 0.3);
}

.feedback-form button:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    pointer-events: none;
}

/* Contact Section */
.contact {
    background: var(--bg-light);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    margin-top: 3rem;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

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

.contact-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.contact-item h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    color: var(--text-dark);
}

.contact-item p {
    color: var(--text-light);
}

.contact-item a {
    color: var(--primary-color);
    text-decoration: none;
}

.contact-item a:hover {
    text-decoration: underline;
}

.contact-form {
    background: var(--bg-white);
    padding: 2rem;
    border-radius: 1rem;
    box-shadow: var(--shadow-md);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--text-dark);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.875rem;
    border: 2px solid var(--border-color);
    border-radius: 0.5rem;
    font-size: 1rem;
    font-family: inherit;
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
}

/* Legal Sections */
.legal-section {
    background: var(--bg-light);
}

.legal-content {
    max-width: 800px;
    margin: 0 auto;
    background: var(--bg-white);
    padding: 3rem;
    border-radius: 1rem;
    box-shadow: var(--shadow-md);
}

.legal-content h3 {
    font-size: 1.5rem;
    margin-top: 2rem;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.legal-content h3:first-of-type {
    margin-top: 0;
}

.legal-content p {
    margin-bottom: 1rem;
    line-height: 1.8;
    color: var(--text-light);
}

.legal-content ul {
    margin-left: 2rem;
    margin-bottom: 1rem;
    color: var(--text-light);
}

.legal-content li {
    margin-bottom: 0.5rem;
    line-height: 1.7;
}

.legal-content a {
    color: var(--primary-color);
    text-decoration: none;
}

.legal-content a:hover {
    text-decoration: underline;
}

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

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

.footer-section h3,
.footer-section h4 {
    margin-bottom: 1rem;
}

.footer-section p {
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.7;
}

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

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

.footer-section a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: color 0.3s ease;
}

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

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.7);
}

.footer-bottom a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
}

/* Responsive Design */
@media (max-width: 768px) {
    .mobile-menu-toggle {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        flex-direction: column;
        background: var(--bg-white);
        width: 100%;
        padding: 2rem;
        box-shadow: var(--shadow-lg);
        transition: left 0.3s ease;
        gap: 1rem;
    }

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

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

    .hero-tagline {
        font-size: 1.25rem;
    }

    .hero-description {
        font-size: 1rem;
    }

    .hero-notice {
        font-size: 0.85rem;
        padding: 0.4rem 0.8rem;
    }

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

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

    .screenshots-grid {
        grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    }

    .feedback-content {
        grid-template-columns: 1fr;
    }

    .feedback-info {
        margin-bottom: 2rem;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .contact-content {
        grid-template-columns: 1fr;
    }

    .signup-form {
        flex-direction: column;
    }

    .signup-form input {
        min-width: 100%;
    }

    .legal-content {
        padding: 2rem 1.5rem;
    }

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

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

    .hero-buttons {
        flex-direction: column;
        width: 100%;
    }

    .btn {
        width: 100%;
    }

    .app-store-img {
        height: 50px;
    }
}

/* Fade-in animation on scroll */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}