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

:root {
    --primary-blue: #2563eb;
    --secondary-blue: #1d4ed8;
    --light-blue: #dbeafe;
    --dark-blue: #1e40af;
    --accent-blue: #3b82f6;
    --text-dark: #1f2937;
    --text-light: #6b7280;
    --white: #ffffff;
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-400: #9ca3af;
    --gray-500: #6b7280;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #111827;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

/* Dark theme overrides */
[data-theme="dark"] {
    --white: #0b1220;
    --gray-50: #0f172a;
    --gray-100: #111827;
    --gray-200: #1f2937;
    --gray-300: #374151;
    --gray-400: #6b7280;
    --gray-500: #9ca3af;
    --gray-600: #d1d5db;
    --gray-700: #e5e7eb;
    --gray-800: #f3f4f6;
    --gray-900: #f9fafb;
    --text-dark: #e5e7eb;
    --text-light: #9ca3af;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.6);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.6), 0 2px 4px -1px rgba(0, 0, 0, 0.5);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.6), 0 4px 6px -2px rgba(0, 0, 0, 0.5);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.6), 0 10px 10px -5px rgba(0, 0, 0, 0.5);
}

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    overflow-x: hidden;
}

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

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    transition: all 0.3s ease;
    border-bottom: 1px solid var(--gray-200);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.nav-logo {
    display: flex;
    align-items: center;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-blue);
    text-decoration: none;
}

.nav-logo i {
    margin-right: 10px;
    font-size: 1.8rem;
}

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

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

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

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

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

.nav-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.theme-toggle {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 1px solid var(--gray-200);
    background: var(--white);
    color: var(--text-dark);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
}

.theme-toggle:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.download-btn {
    padding: 8px 16px;
    font-size: 0.9rem;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

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

.coming-soon {
    background: linear-gradient(135deg, #f59e0b, #f97316);
    color: white;
    font-size: 0.65rem;
    font-weight: 700;
    padding: 4px 12px;
    border-radius: 20px;
    margin-left: 10px;
    text-transform: uppercase;
    letter-spacing: 0.8px;
    animation: pulse 2s infinite;
    position: relative;
    display: inline-block;
    box-shadow: 0 2px 8px rgba(245, 158, 11, 0.3);
    border: 2px solid rgba(255, 255, 255, 0.2);
}

.coming-soon::before {
    content: '';
    position: absolute;
    top: 50%;
    left: -6px;
    transform: translateY(-50%);
    width: 0;
    height: 0;
    border-top: 6px solid transparent;
    border-bottom: 6px solid transparent;
    border-right: 6px solid #f59e0b;
}

.coming-soon::after {
    content: '';
    position: absolute;
    top: 50%;
    right: -6px;
    transform: translateY(-50%);
    width: 0;
    height: 0;
    border-top: 6px solid transparent;
    border-bottom: 6px solid transparent;
    border-left: 6px solid #f97316;
}

/* Alternative banner style for coming soon */
.coming-soon-banner {
    background: linear-gradient(135deg, #f59e0b, #f97316);
    color: white;
    font-size: 0.75rem;
    font-weight: 700;
    padding: 6px 16px;
    border-radius: 25px;
    margin-left: 12px;
    text-transform: uppercase;
    letter-spacing: 1px;
    animation: pulse 2s infinite;
    position: relative;
    display: inline-block;
    box-shadow: 0 4px 12px rgba(245, 158, 11, 0.4);
    border: 2px solid rgba(255, 255, 255, 0.3);
    transform: rotate(-2deg);
}

.coming-soon-banner::before {
    content: '✨';
    position: absolute;
    left: -8px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 0.8rem;
    animation: sparkle 1.5s ease-in-out infinite;
}

.coming-soon-banner::after {
    content: '✨';
    position: absolute;
    right: -8px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 0.8rem;
    animation: sparkle 1.5s ease-in-out infinite 0.5s;
}

@keyframes sparkle {
    0%, 100% { opacity: 0.5; transform: translateY(-50%) scale(0.8); }
    50% { opacity: 1; transform: translateY(-50%) scale(1.2); }
}

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

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

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    background: linear-gradient(135deg, var(--light-blue) 0%, var(--white) 100%);
    overflow: hidden;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    position: relative;
    z-index: 2;
}

.hero-content {
    animation: slideInLeft 1s ease-out;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1.5rem;
    color: var(--text-dark);
}

.highlight {
    color: var(--primary-blue);
    position: relative;
}

.highlight::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-blue), var(--accent-blue));
    border-radius: 2px;
}

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

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

.btn {
    padding: 12px 24px;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s;
}

.btn:hover::before {
    left: 100%;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-blue), var(--accent-blue));
    color: var(--white);
    box-shadow: var(--shadow-lg);
}

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

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

.btn-secondary:hover {
    background: var(--primary-blue);
    color: var(--white);
    transform: translateY(-2px);
}

.hero-image {
    animation: slideInRight 1s ease-out;
    position: relative;
}

.phone-mockup {
    width: 300px;
    height: 600px;
    background: var(--gray-900);
    border-radius: 30px;
    padding: 20px;
    position: relative;
    margin: 0 auto;
    box-shadow: var(--shadow-xl);
    animation: float 3s ease-in-out infinite;
}

.phone-screen {
    width: 100%;
    height: 100%;
    background: var(--white);
    border-radius: 20px;
    overflow: hidden;
    position: relative;
}

.app-interface {
    padding: 20px;
    height: 100%;
    display: flex;
    flex-direction: column;
}

.app-header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 20px;
    color: var(--primary-blue);
    font-weight: 600;
}

.camera-view {
    flex: 1;
    background: var(--gray-100);
    border-radius: 15px;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.face-outline {
    width: 120px;
    height: 120px;
    border: 3px dashed var(--primary-blue);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

.capture-button {
    position: absolute;
    bottom: 20px;
    right: 20px;
    width: 50px;
    height: 50px;
    background: var(--primary-blue);
    border-radius: 50%;
    cursor: pointer;
    transition: transform 0.3s ease;
}

.capture-button:hover {
    transform: scale(1.1);
}

.name-input input {
    width: 100%;
    padding: 12px;
    border: 2px solid var(--gray-200);
    border-radius: 8px;
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

.name-input input:focus {
    outline: none;
    border-color: var(--primary-blue);
}

.hero-shapes {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    z-index: 1;
}

.shape {
    position: absolute;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-blue), var(--accent-blue));
    opacity: 0.1;
    animation: float 6s ease-in-out infinite;
}

.shape-1 {
    width: 200px;
    height: 200px;
    top: 10%;
    right: 10%;
    animation-delay: 0s;
}

.shape-2 {
    width: 150px;
    height: 150px;
    bottom: 20%;
    left: 5%;
    animation-delay: 2s;
}

.shape-3 {
    width: 100px;
    height: 100px;
    top: 50%;
    right: 20%;
    animation-delay: 4s;
}

/* Features Section */
.features {
    padding: 100px 0;
    background: var(--white);
}

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

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

.section-subtitle {
    font-size: 1.125rem;
    color: var(--text-light);
    max-width: 600px;
    margin: 0 auto;
}

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

.feature-card {
    background: var(--white);
    padding: 2rem;
    border-radius: 15px;
    text-align: center;
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
    border: 1px solid var(--gray-200);
}

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

.feature-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--light-blue), var(--primary-blue));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    font-size: 2rem;
    color: var(--white);
}

.feature-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 1rem;
}

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

/* Screenshots Section */
.screenshots {
    padding: 100px 0;
    background: var(--gray-50);
}

.screenshots-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

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

.screenshot-item {
    text-align: center;
    animation: fadeInUp 0.8s ease-out;
}

.screenshot-image {
    margin-bottom: 1.5rem;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    transition: transform 0.3s ease;
}

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

.screenshot-image img {
    width: 100%;
    height: auto;
    display: block;
}

.screenshot-item h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 0.5rem;
}

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

/* Demo Section */
.demo-section {
    padding: 100px 0;
    background: linear-gradient(135deg, var(--primary-blue), var(--accent-blue));
    color: var(--white);
}

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

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

.demo-content p {
    font-size: 1.125rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.demo-features {
    margin-bottom: 2rem;
}

.demo-feature {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
}

.demo-feature i {
    color: #10b981;
    font-size: 1.25rem;
}

.demo-interface {
    display: flex;
    justify-content: center;
}

.demo-phone {
    width: 250px;
    height: 500px;
    background: var(--gray-900);
    border-radius: 25px;
    padding: 15px;
    box-shadow: var(--shadow-xl);
}

.demo-screen {
    width: 100%;
    height: 100%;
    background: var(--white);
    border-radius: 15px;
    padding: 20px;
    display: flex;
    flex-direction: column;
}

.demo-camera {
    flex: 1;
    background: var(--gray-100);
    border-radius: 10px;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.demo-face {
    width: 80px;
    height: 80px;
    border: 2px dashed var(--primary-blue);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

.demo-capture-btn {
    position: absolute;
    bottom: 10px;
    right: 10px;
    width: 40px;
    height: 40px;
    background: var(--primary-blue);
    border-radius: 50%;
}

.demo-form {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.demo-form input {
    padding: 8px;
    border: 1px solid var(--gray-300);
    border-radius: 5px;
    font-size: 0.9rem;
}

/* About Section */
.about {
    padding: 100px 0;
    background: var(--white);
}

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

.about-text h2 {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 1.5rem;
}

.about-text p {
    font-size: 1.125rem;
    color: var(--text-light);
    line-height: 1.6;
    margin-bottom: 2rem;
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.stat {
    text-align: center;
}

.stat h3 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-blue);
    margin-bottom: 0.5rem;
}

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

.about-visual {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
}

.visual-card {
    background: var(--gray-50);
    padding: 2rem;
    border-radius: 15px;
    text-align: center;
    transition: transform 0.3s ease;
    border: 2px solid transparent;
}

.visual-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary-blue);
}

.visual-card i {
    font-size: 3rem;
    color: var(--primary-blue);
    margin-bottom: 1rem;
}

.visual-card h4 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-dark);
}

/* Contact Section */
.contact {
    padding: 100px 0;
    background: var(--gray-50);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    margin-top: 3rem;
}

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

.contact-item {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.contact-item i {
    width: 50px;
    height: 50px;
    background: var(--primary-blue);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
}

.contact-item h4 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 0.25rem;
}

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

.contact-form {
    background: var(--white);
    padding: 2rem;
    border-radius: 15px;
    box-shadow: var(--shadow-md);
}

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

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px;
    border: 2px solid var(--gray-200);
    border-radius: 8px;
    font-size: 1rem;
    transition: border-color 0.3s ease;
    font-family: inherit;
}

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

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

/* Footer */
.footer {
    background: var(--gray-900);
    color: var(--white);
    padding: 3rem 0 1rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-logo {
    display: flex;
    align-items: center;
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.footer-logo i {
    margin-right: 10px;
    color: var(--primary-blue);
}

.footer-section h4 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--white);
}

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

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

.footer-section ul li a {
    color: var(--gray-400);
    text-decoration: none;
    transition: color 0.3s ease;
}

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

.social-links {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
}

.social-links a {
    width: 40px;
    height: 40px;
    background: var(--gray-800);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    transition: all 0.3s ease;
}

.social-links a:hover {
    background: var(--primary-blue);
    transform: translateY(-2px);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid var(--gray-800);
    color: var(--gray-400);
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(5px);
}

/* Store Selection Modal */
.store-modal-content {
    padding: 2rem;
    text-align: center;
}

.store-modal-content h2 {
    margin-bottom: 0.5rem;
    color: var(--text-dark);
}

.store-modal-content p {
    color: var(--text-light);
    margin-bottom: 2rem;
}

.store-options {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    flex-wrap: wrap;
}

.store-option {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.5rem;
    background: var(--white);
    border: 2px solid var(--gray-200);
    border-radius: 15px;
    text-decoration: none;
    color: var(--text-dark);
    transition: all 0.3s ease;
    min-width: 250px;
    box-shadow: var(--shadow-md);
}

.store-option:hover {
    transform: translateY(-5px);
    border-color: var(--primary-blue);
    box-shadow: var(--shadow-xl);
    color: var(--text-dark);
}

.store-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-blue), var(--accent-blue));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--white);
}

.store-info h3 {
    margin-bottom: 0.25rem;
    font-size: 1.125rem;
    font-weight: 600;
}

.store-info p {
    margin: 0;
    font-size: 0.9rem;
    color: var(--text-light);
}

.modal-content {
    background-color: var(--white);
    margin: 2% auto;
    padding: 0;
    border-radius: 15px;
    width: 90%;
    max-width: 1000px;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
    animation: modalSlideIn 0.3s ease-out;
}

.close {
    position: absolute;
    top: 15px;
    right: 20px;
    color: var(--gray-500);
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
    z-index: 2001;
    transition: color 0.3s ease;
}

.close:hover {
    color: var(--text-dark);
}

.demo-modal-content {
    padding: 2rem;
}

.demo-modal-content h2 {
    text-align: center;
    margin-bottom: 2rem;
    color: var(--text-dark);
}

.demo-interface-full {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    margin-bottom: 2rem;
}

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

.camera-view {
    width: 100%;
    height: 300px;
    background: var(--gray-100);
    border-radius: 10px;
    position: relative;
    overflow: hidden;
    margin-bottom: 1rem;
}

#cameraVideo {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

#cameraCanvas {
    display: none;
}

.face-overlay {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 150px;
    height: 150px;
    border: 3px dashed var(--primary-blue);
    border-radius: 50%;
    pointer-events: none;
    animation: pulse 2s infinite;
}

.capture-button {
    background: var(--primary-blue);
    color: var(--white);
    border: none;
    border-radius: 50%;
    width: 60px;
    height: 60px;
    font-size: 1.5rem;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-lg);
}

.capture-button:hover {
    transform: scale(1.1);
    background: var(--secondary-blue);
}

.form-section h3 {
    margin-bottom: 1rem;
    color: var(--text-dark);
}

#studentForm {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

#studentForm .form-group {
    margin-bottom: 0;
}

#studentForm label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--text-dark);
}

.captured-photo {
    text-align: center;
    padding: 2rem;
    background: var(--gray-50);
    border-radius: 10px;
    margin-top: 2rem;
}

.captured-photo h3 {
    margin-bottom: 1rem;
    color: var(--text-dark);
}

#photoPreview {
    max-width: 200px;
    border-radius: 10px;
    margin-bottom: 1rem;
    box-shadow: var(--shadow-md);
}

.photo-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
}

/* Animations */
@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

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

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

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.5;
    }
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: scale(0.8) translateY(-50px);
    }
    to {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

/* Responsive Design */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: var(--white);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: var(--shadow-lg);
        padding: 2rem 0;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-menu li {
        margin: 1rem 0;
    }
    
    .nav-actions {
        display: none;
    }
    
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 2rem;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .phone-mockup {
        width: 250px;
        height: 500px;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .screenshots-container {
        grid-template-columns: 1fr;
    }
    
    .screenshots-grid {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
        gap: 1.5rem;
    }
    
    .demo-container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .about-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .about-stats {
        grid-template-columns: 1fr;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
    }
    
    .demo-interface-full {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .phone-mockup {
        width: 200px;
        height: 400px;
    }
    
    .btn {
        padding: 10px 20px;
        font-size: 0.9rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .screenshots-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .store-options {
        flex-direction: column;
        align-items: center;
    }
    
    .store-option {
        min-width: 200px;
        width: 100%;
        max-width: 300px;
    }
}

/* Smooth scrolling */
html {
    scroll-behavior: smooth;
}

/* Loading animation */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: var(--white);
    animation: spin 1s ease-in-out infinite;
}

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

/* Success/Error messages */
.message {
    padding: 1rem;
    border-radius: 8px;
    margin-bottom: 1rem;
    font-weight: 500;
}

.message.success {
    background: #d1fae5;
    color: #065f46;
    border: 1px solid #a7f3d0;
}

.message.error {
    background: #fee2e2;
    color: #991b1b;
    border: 1px solid #fca5a5;
}

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

::-webkit-scrollbar-track {
    background: var(--gray-100);
}

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

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