/* Global Styles */
:root {
    --primary-color: #4f46e5;
    --primary-dark: #3730a3;
    --primary-light: #818cf8;
    --secondary-color: #6d28d9;
    --tertiary-color: #db2777;
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --danger-color: #ef4444;
    --light-bg: #f8fafc;
    --light-gray: #f1f5f9;
    --medium-gray: #e2e8f0;
    --dark-bg: #0f172a;
    --card-bg: #ffffff;
    --text-color: #334155;
    --light-text: #94a3b8;
    --border-radius: 16px;
    --transition: all 0.3s ease;
    --shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
}

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

/* Common Elements */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.3;
}

.divider {
    width: 60px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--tertiary-color));
    border-radius: 2px;
}

/* Text Gradient */
.text-gradient {
    background: linear-gradient(90deg, var(--primary-color), var(--tertiary-color));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

/* Navbar */
.navbar {
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    padding: 1.2rem 0;
    position: sticky;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.navbar.scrolled {
    background: var(--dark-bg);
    padding: 0.7rem 0;
    position: fixed;
    box-shadow: var(--shadow-lg);
}

.navbar-brand {
    font-weight: 700;
    font-size: 1.7rem;
    color: #fff !important;
    letter-spacing: 1px;
    text-shadow: 0 2px 8px rgba(0,0,0,0.09);
}

.nav-link {
    color: rgba(255,255,255,0.95) !important;
    font-weight: 500;
    margin: 0 0.5rem;
    transition: color 0.2s;
}

.nav-link.active, .nav-link:hover {
    color: var(--primary-light) !important;
    text-decoration: underline;
}

.nav-link:hover,
.nav-link.active {
    color: white !important;
}

/* Hero Section */
.hero-section {
    background: linear-gradient(120deg, var(--primary-color) 60%, var(--tertiary-color) 100%);
    color: #fff;
    min-height: 350px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow);
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100" preserveAspectRatio="none"><path d="M0,0 L100,0 L100,100 Z" fill="rgba(255,255,255,0.1)"/></svg>');
    background-size: cover;
}

.hero-section .display-3 {
    font-weight: 800;
    margin-bottom: 1.5rem;
}

/* Tab Switcher */
.switcher {
    display: inline-flex;
    background-color: rgba(255, 255, 255, 0.15);
    border-radius: 50px;
    padding: 0.5rem;
    backdrop-filter: blur(5px);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

/* API Code Tabs */
#apiTabs {
    display: flex;
    border-bottom: 1px solid var(--medium-gray);
}

#apiTabs .nav-item {
    margin-right: 5px;
}

#apiTabs .nav-link {
    color: var(--text-color) !important;
    border: 1px solid transparent;
    border-top-left-radius: 8px;
    border-top-right-radius: 8px;
    padding: 8px 16px;
    font-weight: 500;
    transition: all 0.2s ease;
    background-color: rgba(240, 240, 240, 0.5);
    position: relative;
    top: 1px;
}

#apiTabs .nav-link:hover {
    background-color: rgba(240, 240, 240, 0.8);
    text-decoration: none;
}

#apiTabs .nav-link.active {
    color: var(--primary-color) !important;
    background-color: #fff;
    border: 1px solid var(--medium-gray);
    border-bottom-color: #fff;
    font-weight: 600;
    text-decoration: none;
}

#apiTabsContent {
    border: 1px solid var(--medium-gray);
    border-top: none;
    padding: 15px;
    background-color: #fff;
    border-bottom-left-radius: 8px;
    border-bottom-right-radius: 8px;
}

.switcher .btn {
    border-radius: 30px;
    margin: 0 0.5rem;
    font-weight: 500;
    background: var(--card-bg);
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
    transition: var(--transition);
    box-shadow: 0 4px 18px rgba(79,70,229,0.08);
    min-width: 170px;
    letter-spacing: 0.5px;
}

.switcher .btn.active, .switcher .btn:focus {
    background: var(--primary-color);
    color: #fff;
    border-color: var(--primary-dark);
    box-shadow: 0 4px 24px rgba(79,70,229,0.15);
}

.switcher .btn:not(.active):hover {
    background-color: rgba(255, 255, 255, 0.2);
}

/* Cards */
.card {
    border-radius: var(--border-radius);
    background: var(--card-bg);
    box-shadow: var(--shadow-lg);
    border: none;
    transition: var(--transition);
    overflow: hidden;
}

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

.card-title {
    color: var(--primary-color);
    font-weight: 700;
}

.card-body {
    padding: 1.75rem;
}

/* QR Type Selector */
.qr-type-selector {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-bottom: 1.5rem;
}

.qr-type-btn {
    flex: 1;
    background-color: var(--light-gray);
    border: none;
    padding: 1rem 0.75rem;
    border-radius: var(--border-radius);
    color: var(--text-color);
    transition: var(--transition);
    text-align: center;
    font-weight: 500;
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.qr-type-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    opacity: 0;
    z-index: -1;
    transition: opacity 0.3s ease;
}

.qr-type-btn i {
    margin-right: 8px;
    display: inline-block;
    font-size: 1.1rem;
}

.qr-type-btn.active, .qr-type-btn:focus {
    background: var(--primary-color);
    color: #fff;
    border-color: var(--primary-dark);
    box-shadow: 0 2px 12px rgba(79,70,229,0.20);
    transform: scale(1.06);
}

.qr-type-btn.active::before {
    opacity: 1;
}

.qr-type-btn:not(.active):hover {
    background-color: var(--medium-gray);
    transform: translateY(-2px);
}

/* Form Elements */
.form-control, .form-select {
    border-radius: 14px;
    border: 1.5px solid var(--medium-gray);
    transition: var(--transition);
    box-shadow: none;
    background: #f9fafb;
    font-size: 1.1rem;
}

.form-control:focus, .form-select:focus {
    border-color: var(--primary-light);
    box-shadow: 0 0 0 0.25rem rgba(99, 102, 241, 0.25);
}

.input-group-text {
    background-color: var(--light-gray);
    color: var(--primary-color);
}

.form-floating label {
    color: var(--light-text);
}

.form-label {
    font-weight: 500;
    margin-bottom: 0.5rem;
}

/* Customization Options */
.customize-options {
    position: relative;
    transition: var(--transition);
    margin: 2rem auto 1.5rem;
    padding: 2.5rem;
    background: linear-gradient(145deg, #ffffff, #f8fafc);
    border-radius: 24px;
    box-shadow: 0 12px 40px rgba(79,70,229,0.06);
    border: none;
    max-width: 720px;
    border-left: 6px solid var(--primary-color);
}

.customize-options:hover {
    transform: translateY(-5px) scale(1.01);
    box-shadow: 0 16px 64px rgba(79,70,229,0.08);
}

.customize-options > .form-label.fw-bold {
    display: inline-block;
    font-size: 1.3rem;
    padding-bottom: 0.25rem;
    margin-bottom: 1.5rem;
    border-bottom: 3px solid var(--primary-color);
}

.customize-options .input-group {
    border-radius: 12px;
    overflow: hidden;
    border: 1.5px solid var(--medium-gray);
    background: #f8fafc;
    margin-bottom: 1.2rem;
}

.customize-options .input-group-text {
    background: var(--primary-light);
    color: #fff;
    border: none;
    font-size: 1.2rem;
    border-radius: 10px 0 0 10px;
}

.customize-options input[type="color"] {
    width: 50px;
    height: 50px;
    border: 2px solid var(--primary-light);
    border-radius: 10px;
    padding: 2px;
    background: #fff;
    box-shadow: 0 4px 16px rgba(79,70,229,0.11);
    cursor: pointer;
    transition: border 0.2s, box-shadow 0.2s;
}

.customize-options input[type="color"]:hover, .customize-options input[type="color"]:focus {
    border: 2px solid var(--primary-color);
    box-shadow: 0 4px 24px rgba(79,70,229,0.18);
}

.customize-options label.form-label, .customize-options .fw-bold {
    font-weight: bold !important;
    color: var(--primary-dark);
    font-size: 1.1rem;
    margin-bottom: 0.7rem;
    letter-spacing: 0.3px;
}

.customize-options .form-control {
    background: #f8fafc;
    border: none;
    font-size: 1.08rem;
    font-weight: 500;
    color: var(--text-color);
    border-radius: 10px;
    min-height: 44px;
}

.customize-options .logo-upload {
    border: 2px dashed var(--primary-light);
    background: #fafaff;
    padding: 2rem 1.5rem;
    border-radius: 16px;
    margin-top: 1rem;
    transition: var(--transition);
    position: relative;
    min-height: 180px;
    display: flex;
    justify-content: center;
    align-items: center;
    box-shadow: 0 4px 20px rgba(79,70,229,0.05);
}

.customize-options .logo-upload .upload-text {
    color: var(--light-text);
    font-size: 0.95rem;
    margin-bottom: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.customize-options .logo-upload .browse-files {
    background: linear-gradient(90deg, var(--primary-color), var(--tertiary-color));
    color: #fff;
    padding: 0.6rem 1.6rem;
    border-radius: 30px;
    box-shadow: 0 4px 16px rgba(79,70,229,0.09);
    transition: var(--transition);
    margin-top: 0.8rem;
}

.customize-options .logo-upload .browse-files:hover {
    transform: translateY(-2px) scale(1.05);
}

.customize-options .logo-upload:hover, .customize-options .logo-upload:focus-within {
    border-color: var(--primary-color);
    background: var(--card-bg);
    box-shadow: 0 12px 48px rgba(79,70,229,0.12);
    transform: scale(1.02);
}

/* QR Code Container */
#qrcode-container {
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 2rem 0;
    position: relative;
}

.qr-placeholder {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    min-height: 250px;
    border-radius: var(--border-radius);
    background-color: var(--light-gray);
    padding: 2rem;
    color: var(--light-text);
}

#qrcode {
    padding: 1.5rem;
    background-color: white;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    transition: transform 0.4s ease;
}

#qrcode:hover {
    transform: scale(1.02);
}

.download-options {
    margin-top: 2rem;
}

.download-btn {
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    transition: var(--transition);
}

.download-btn:hover {
    transform: translateY(-3px);
}

/* Scanner Section */
.scanner-options {
    margin-bottom: 2rem;
}

.scan-option-btn {
    background-color: white;
    border: 1px solid var(--medium-gray);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    transition: var(--transition);
    cursor: pointer;
    min-width: 150px;
}

.scan-option-btn:hover {
    border-color: var(--primary-color);
    transform: translateY(-3px);
    box-shadow: var(--shadow);
}

.scan-option-btn .scan-option-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    margin-bottom: 1rem;
}

.scan-option-btn .scan-option-icon i {
    color: white;
    font-size: 1.5rem;
}

.scan-option-btn span {
    font-weight: 600;
    color: var(--text-color);
}

#scanner-container {
    position: relative;
    width: 100%;
    min-height: 320px;
    margin: 0 auto;
    border-radius: var(--border-radius);
    overflow: hidden;
}

.camera-frame {
    position: relative;
    width: 100%;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow);
}

#qr-video {
    width: 100%;
    height: auto;
    border-radius: var(--border-radius);
}

.scan-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    display: flex;
    justify-content: center;
    align-items: center;
}

.scan-marker {
    width: 70%;
    height: 70%;
    border: 2px solid var(--primary-color);
    border-radius: 10px;
    position: relative;
}

.scan-marker::before,
.scan-marker::after {
    content: '';
    position: absolute;
    width: 20px;
    height: 20px;
    border-color: var(--primary-color);
    border-style: solid;
}

.scan-marker::before {
    top: -2px;
    left: -2px;
    border-width: 4px 0 0 4px;
    border-radius: 5px 0 0 0;
}

.scan-marker::after {
    bottom: -2px;
    right: -2px;
    border-width: 0 4px 4px 0;
    border-radius: 0 0 5px 0;
}

.scan-line {
    position: absolute;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--primary-color), transparent);
    top: 50%;
    animation: scan 2s ease-in-out infinite;
}

@keyframes scan {
    0% {
        top: 20%;
    }
    50% {
        top: 80%;
    }
    100% {
        top: 20%;
    }
}

.scanner-msg {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    height: 300px;
    color: var(--light-text);
    background-color: var(--light-gray);
    border-radius: var(--border-radius);
}

.scanner-msg i {
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.upload-frame {
    min-height: 300px;
    display: flex;
    justify-content: center;
    align-items: center;
}

/* Scan Result */
.scan-result-placeholder {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    height: 300px;
    color: var(--light-text);
    padding: 2rem;
    border-radius: var(--border-radius);
    background-color: var(--light-gray);
}

.empty-result-icon {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: rgba(148, 163, 184, 0.1);
    display: flex;
    justify-content: center;
    align-items: center;
    margin-bottom: 1rem;
}

.empty-result-icon i {
    font-size: 2rem;
    color: var(--light-text);
}

.result-card {
    background-color: white;
    box-shadow: var(--shadow-sm);
}

.result-icon {
    width: 30px;
    height: 30px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.result-icon i {
    font-size: 1.25rem;
}

.result-content {
    word-break: break-all;
    margin-bottom: 1rem;
    font-size: 1.1rem;
    line-height: 1.6;
}

.scan-history {
    max-height: 350px;
    overflow-y: auto;
    padding-right: 0.5rem;
}

.history-list {
    border: 1px solid var(--medium-gray);
}

.scan-history-item {
    cursor: pointer;
    transition: var(--transition);
    border-left: 3px solid transparent;
    padding: 1rem;
}

.scan-history-item:hover {
    background-color: var(--light-gray);
    border-left-color: var(--primary-color);
}

/* Features Section */
.features-section {
    background-color: white;
    position: relative;
    overflow: hidden;
}

.features-section::before {
    content: '';
    position: absolute;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.1) 0%, rgba(99, 102, 241, 0) 70%);
    top: -150px;
    left: -150px;
    border-radius: 50%;
    z-index: 0;
}

.features-section::after {
    content: '';
    position: absolute;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(219, 39, 119, 0.1) 0%, rgba(219, 39, 119, 0) 70%);
    bottom: -150px;
    right: -150px;
    border-radius: 50%;
    z-index: 0;
}

.section-header {
    position: relative;
    z-index: 1;
}

.feature-card {
    text-align: center;
    padding: 2.5rem 2rem;
    border-radius: var(--border-radius);
    background-color: white;
    height: 100%;
    transition: var(--transition);
    border: 1px solid var(--light-gray);
    position: relative;
    z-index: 1;
}

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

.feature-icon {
    display: inline-flex;
    justify-content: center;
    align-items: center;
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    border-radius: 20px;
    font-size: 1.75rem;
    margin-bottom: 1.5rem;
    position: relative;
    transition: var(--transition);
}

.feature-icon::before {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    border-radius: 20px;
    background: inherit;
    filter: blur(10px);
    opacity: 0.5;
    z-index: -1;
    transition: var(--transition);
}

.feature-card:hover .feature-icon {
    transform: scale(1.1);
}

.feature-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--text-color);
}

.feature-card p {
    color: var(--light-text);
    margin-bottom: 1.5rem;
}

.feature-link {
    color: var(--primary-color);
    font-weight: 600;
    text-decoration: none;
    position: relative;
    display: inline-block;
}

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

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

.cta-card {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
}

/* Contact Section */
.contact-section {
    position: relative;
}

/* Footer */
.footer {
    background-color: var(--dark-bg);
    color: #fff;
    border-top-left-radius: 40px;
    border-top-right-radius: 40px;
    box-shadow: 0 -8px 32px rgba(15,23,42,0.13);
    margin-top: 3rem;
}

.footer h4, .footer h5 {
    font-weight: 700;
    margin-bottom: 1.5rem;
}

.footer-links {
    padding-left: 0;
}

.footer-links li {
    margin-bottom: 0.75rem;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: var(--transition);
    position: relative;
    padding-left: 0;
    display: inline-block;
}

.footer-links a:hover {
    color: white;
    padding-left: 8px;
}

.footer-links a::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    width: 0;
    height: 2px;
    background-color: var(--primary-color);
    transform: translateY(-50%);
    transition: width 0.3s ease;
    opacity: 0;
}

.footer-links a:hover::before {
    width: 5px;
    opacity: 1;
}

.social-links a {
    display: inline-flex;
    justify-content: center;
    align-items: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.1);
    color: white;
    margin-right: 12px;
    transition: var(--transition);
}

.social-links a:hover {
    background-color: var(--primary-color);
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(79, 70, 229, 0.4);
}

/* Buttons */
.btn {
    font-weight: 600;
    padding: 0.5rem 1.5rem;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.btn-lg {
    padding: 0.8rem 2rem;
    font-size: 1.1rem;
}

.btn-primary {
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    border: none;
    position: relative;
    z-index: 1;
    overflow: hidden;
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, var(--secondary-color), var(--primary-color));
    z-index: -1;
    transition: opacity 0.3s ease;
    opacity: 0;
}

.btn-primary:hover::before {
    opacity: 1;
}

.btn-primary:hover,
.btn-primary:focus {
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(79, 70, 229, 0.3);
}

.btn-outline-primary {
    color: var(--primary-color);
    border-color: var(--primary-color);
    background-color: transparent;
}

.btn-outline-primary:hover,
.btn-outline-primary:focus {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(79, 70, 229, 0.2);
}

/* Additional Components */
.empty-state {
    text-align: center;
    padding: 3rem;
    background-color: var(--light-gray);
    border-radius: var(--border-radius);
}

.section-divider {
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--medium-gray), transparent);
    margin: 3rem 0;
}

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

.fade-in {
    animation: fadeIn 0.6s ease forwards;
}

/* Responsiveness */
@media (max-width: 992px) {
    .hero-section {
        padding: 6rem 0 4rem;
    }
    
    .display-3 {
        font-size: 2.5rem;
    }
    
    .scan-option-btn {
        min-width: 120px;
        padding: 1rem;
    }
    
    .scan-option-btn .scan-option-icon {
        width: 50px;
        height: 50px;
    }
}

@media (max-width: 768px) {
    .qr-type-selector {
        flex-wrap: wrap;
    }
    
    .qr-type-btn {
        flex: 1 0 45%;
        margin-bottom: 0.75rem;
    }
    
    .feature-card {
        padding: 2rem 1.5rem;
    }
    
    .cta-card {
        margin-top: 1rem;
    }
    
    .footer {
        text-align: center;
    }
    
    .footer-links {
        margin-bottom: 2rem;
    }
}

@media (max-width: 576px) {
    html {
        font-size: 15px;
    }
    
    .navbar {
        padding: 0.5rem 0.5rem;
    }
    .navbar-brand {
        font-size: 1.1rem;
    }
    .hero-section {
        padding: 3rem 0 1.5rem;
        text-align: center;
    }
    .display-3, .display-5 {
        font-size: 1.6rem;
    }
    .switcher {
        flex-direction: column;
        gap: 0.5rem;
        width: 100%;
        margin-bottom: 1.5rem;
    }
    .switcher .btn {
        width: 100%;
        padding: 1rem 0.5rem;
        font-size: 1.05rem;
        border-radius: 12px;
        margin-bottom: 0.5rem;
    }
    .qr-type-selector {
        flex-direction: column;
        gap: 0.75rem;
    }
    .qr-type-btn {
        flex: 1 0 100%;
        padding: 1.2rem 0.5rem;
        font-size: 1.1rem;
        border-radius: 14px;
        margin-bottom: 0.5rem;
    }
    .card {
        border-radius: 18px;
        margin-bottom: 1.5rem;
    }
    .card-body {
        padding: 1.2rem 0.7rem;
    }
    .form-control, .form-select, .input-group-text {
        border-radius: 12px;
        font-size: 1rem;
        padding: 0.9rem 0.8rem;
    }
    .form-label {
        font-size: 1rem;
    }
    .customize-options .row {
        flex-direction: column;
        gap: 1rem;
    }
    .logo-uploader, .dropzone {
        padding: 1.2rem;
        border-radius: 12px;
    }
    .scan-option-btn {
        padding: 1.3rem 0.5rem;
        border-radius: 14px;
        min-width: 100px;
        font-size: 1.05rem;
    }
    .scan-option-btn .scan-option-icon {
        width: 44px;
        height: 44px;
        font-size: 1.2rem;
    }
    #qrcode-container {
        margin: 1.2rem 0;
    }
    #qrcode {
        padding: 0.7rem;
        border-radius: 14px;
    }
    .qr-placeholder {
        min-height: 120px;
        padding: 1.2rem;
        border-radius: 14px;
    }
    .features-section, .feature-card {
        border-radius: 0;
        padding: 1.2rem 0.5rem;
    }
    .feature-card {
        margin-bottom: 1.2rem;
        padding: 1.2rem 0.6rem;
        border-radius: 14px;
    }
    .footer {
        padding: 2rem 0.5rem;
        font-size: 0.95rem;
    }
    .footer-links a {
        font-size: 1rem;
    }
    .btn, .btn-lg {
        padding: 1.1rem 1.5rem;
        font-size: 1.1rem;
        border-radius: 14px;
    }
    .cta-card {
        padding: 1.4rem 0.7rem;
        border-radius: 14px;
    }
    .empty-state {
        padding: 1.5rem;
        border-radius: 14px;
    }
    .scan-result-placeholder, .result-card, .history-list {
        border-radius: 14px;
    }
}