/* === MANIFESTLINK INDEX PAGE STYLES === */

/* Enhanced Professional Typography */
:root {
    --color-primary: #1e3a8a;
    --color-secondary: #3b82f6;
    --color-accent: #06b6d4;
    --color-sky-blue: #0ea5e9;
    --color-turquoise: #14b8a6;
    --color-text-dark: #1f2937;
    --color-text-light: #6b7280;
    --color-text-muted: #9ca3af;
    --color-background: #ffffff;
    --color-surface: #f8fafc;
    --color-border: #e5e7eb;
    --color-success: #10b981;
    --color-warning: #f59e0b;
    --color-error: #ef4444;
    --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);
    --border-radius-sm: 0.375rem;
    --border-radius-md: 0.5rem;
    --border-radius-lg: 0.75rem;
    --border-radius-xl: 1rem;
    --border-radius-2xl: 1.5rem;
    --font-family-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-family-mono: 'SF Mono', Monaco, 'Cascadia Code', 'Roboto Mono', Consolas, monospace;
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-normal: 250ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 350ms cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    font-family: var(--font-family-sans);
    line-height: 1.6;
    color: var(--color-text-dark);
    background: var(--color-background);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* Enhanced Professional Background */
.animated-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    overflow: hidden;
}

.bg-circle {
    position: absolute;
    border-radius: 50%;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.1), rgba(6, 182, 212, 0.1));
    animation: float 20s infinite ease-in-out;
    filter: blur(1px);
}

.circle-1 {
    width: 300px;
    height: 300px;
    top: 10%;
    left: 10%;
    animation-delay: 0s;
}

.circle-2 {
    width: 200px;
    height: 200px;
    top: 60%;
    right: 15%;
    animation-delay: 5s;
}

.circle-3 {
    width: 150px;
    height: 150px;
    bottom: 20%;
    left: 20%;
    animation-delay: 10s;
}

.circle-4 {
    width: 250px;
    height: 250px;
    top: 30%;
    right: 30%;
    animation-delay: 15s;
}

.circle-5 {
    width: 180px;
    height: 180px;
    bottom: 40%;
    right: 10%;
    animation-delay: 20s;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0px) rotate(0deg);
        opacity: 0.7;
    }
    33% {
        transform: translateY(-20px) rotate(120deg);
        opacity: 0.9;
    }
    66% {
        transform: translateY(10px) rotate(240deg);
        opacity: 0.5;
    }
}

/* Enhanced Professional Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 2px solid rgba(255, 255, 255, 0.3);
    z-index: 1000;
    transition: var(--transition-normal);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.15);
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.25);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.2);
    border-bottom: 2px solid rgba(255, 255, 255, 0.4);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 85px;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 1rem;
    text-decoration: none;
    color: var(--color-text-dark);
    font-weight: 800;
    font-size: 1.5rem;
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.nav-logo::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(59, 130, 246, 0.1), transparent);
    transition: var(--transition-slow);
}

.nav-logo:hover::before {
    left: 100%;
}

.nav-logo:hover {
    transform: translateY(-1px);
    color: var(--color-primary);
}

.logo-img {
    width: 50px;
    height: 50px;
    transition: var(--transition-normal);
}

.nav-logo:hover .logo-img {
    transform: scale(1.1) rotate(5deg);
}

.logo-text {
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 800;
    letter-spacing: -0.025em;
    transition: var(--transition-normal);
}

.nav-logo:hover .logo-text {
    background: linear-gradient(135deg, var(--color-secondary), var(--color-accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 2.5rem;
    list-style: none;
}

.nav-link {
    color: var(--color-text-dark);
    text-decoration: none;
    font-weight: 700;
    font-size: 1.1rem;
    padding: 1rem 1.5rem;
    border-radius: var(--border-radius-xl);
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
    background: rgba(255, 255, 255, 0.15);
    border: 2px solid rgba(255, 255, 255, 0.2);
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
}

.nav-link::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    opacity: 0;
    transition: var(--transition-normal);
    z-index: -1;
    border-radius: var(--border-radius-md);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
    transition: var(--transition-normal);
    transform: translateX(-50%);
}

.nav-link:hover::before {
    opacity: 0.1;
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 80%;
}

.nav-link:hover {
    color: var(--color-primary);
    transform: translateY(-2px);
    background: rgba(255, 255, 255, 0.25);
    border-color: rgba(255, 255, 255, 0.4);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
}

.nav-link.active {
    color: var(--color-primary);
    font-weight: 800;
    background: rgba(255, 255, 255, 0.3);
    border-color: rgba(255, 255, 255, 0.5);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
}

.btn-register {
    background: rgba(255, 255, 255, 0.95);
    color: var(--color-primary) !important;
    padding: 1rem 2rem !important;
    border-radius: var(--border-radius-xl);
    font-weight: 700;
    font-size: 1.1rem;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
    border: 2px solid rgba(255, 255, 255, 0.8);
    text-shadow: none;
}

.btn-register::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(30, 58, 138, 0.1), transparent);
    transition: var(--transition-slow);
}

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

.btn-register:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.3);
    color: white !important;
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    border-color: var(--color-primary);
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    padding: 0.5rem;
    border-radius: var(--border-radius-md);
    transition: var(--transition-normal);
}

.hamburger:hover {
    background: rgba(59, 130, 246, 0.1);
}

.hamburger .bar {
    width: 25px;
    height: 3px;
    background: var(--color-text-dark);
    margin: 3px 0;
    transition: var(--transition-normal);
    border-radius: 2px;
}

/* Enhanced Professional Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    padding: 120px 0 80px;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('../background.jpg') center/cover no-repeat;
    opacity: 1.0;
    z-index: -1;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero-content {
    max-width: 600px;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.1;
    color: white;
    margin-bottom: 1.5rem;
    letter-spacing: -0.025em;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.7);
}

.hero-title .highlight {
    color: white;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.7);
}

.hero-title .highlight::after {
    display: none;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: white;
    margin-bottom: 2rem;
    line-height: 1.7;
    font-weight: 500;
    text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.7);
}

.hero-stats {
    display: flex;
    gap: 2rem;
    margin-bottom: 2.5rem;
}

.stat {
    text-align: center;
    padding: 1.5rem;
    background: rgba(255, 255, 255, 0.9);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    transition: var(--transition-normal);
    border: 1px solid rgba(255, 255, 255, 0.5);
}

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

.stat-number {
    display: block;
    font-size: 2rem;
    font-weight: 800;
    color: var(--color-primary);
    margin-bottom: 0.25rem;
}

.stat-label {
    font-size: 0.9rem;
    color: var(--color-text-light);
    font-weight: 500;
}

/* Enhanced Features Section */
.features {
    padding: 100px 0;
    background: linear-gradient(135deg, var(--color-bg-light) 0%, #fff 100%);
    position: relative;
}

.features::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('../background.jpg') center center/cover no-repeat;
    opacity: 1.0;
    z-index: 0;
}

.features .container {
    position: relative;
    z-index: 1;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2.5rem;
}

.feature-card {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-light);
    padding: 2.5rem 2rem;
    text-align: center;
    transition: all var(--transition);
    border: 1px solid rgba(255, 255, 255, 0.3);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--color-sky-blue), var(--color-turquoise));
    transform: scaleX(0);
    transition: transform var(--transition);
}

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

.feature-card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: var(--shadow-heavy);
}

.feature-icon {
    font-size: 3rem;
    color: var(--color-turquoise);
    margin-bottom: 1.5rem;
    filter: drop-shadow(0 4px 8px rgba(64, 224, 208, 0.3));
    transition: transform var(--transition);
}

.feature-card:hover .feature-icon {
    transform: scale(1.1) rotate(5deg);
}

.feature-card h3 {
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--color-text);
}

.feature-card p {
    color: var(--color-text-light);
    font-size: 1.1rem;
    line-height: 1.6;
}

/* Enhanced How It Works Section */
.how-it-works {
    padding: 6rem 0;
    background: var(--color-background);
    position: relative;
}

.how-it-works::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(248, 250, 252, 0.8) 0%, rgba(241, 245, 249, 0.8) 100%);
    z-index: 0;
}

.how-it-works .container {
    position: relative;
    z-index: 1;
}

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

.step {
    background: var(--color-background);
    padding: 2.5rem;
    border-radius: var(--border-radius-xl);
    box-shadow: var(--shadow-md);
    transition: var(--transition-normal);
    border: 1px solid var(--color-border);
    position: relative;
    overflow: hidden;
    text-align: center;
}

.step::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
    transform: scaleX(0);
    transition: var(--transition-normal);
}

.step:hover::before {
    transform: scaleX(1);
}

.step:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.step-number {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    font-weight: 800;
    color: white;
    margin: 0 auto 1.5rem;
    transition: var(--transition-normal);
    box-shadow: var(--shadow-md);
}

.step:hover .step-number {
    transform: scale(1.1) rotate(5deg);
}

.step-content h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-text-dark);
    margin-bottom: 1rem;
}

.step-content p {
    color: var(--color-text-light);
    line-height: 1.6;
    font-size: 1rem;
}

/* Enhanced Professional How to Use Section */
.how-to-use {
    padding: 6rem 0;
    background: var(--color-surface);
    position: relative;
}

.how-to-use::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.03) 0%, rgba(6, 182, 212, 0.03) 100%);
    z-index: 0;
}

.how-to-use .container {
    position: relative;
    z-index: 1;
}

.usage-section {
    background: var(--color-background);
    border-radius: var(--border-radius-2xl);
    padding: 3rem;
    margin-bottom: 3rem;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--color-border);
    transition: var(--transition-normal);
}

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

.usage-header {
    text-align: center;
    margin-bottom: 2.5rem;
    position: relative;
}

.usage-header::before {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
    border-radius: 2px;
}

.usage-header > * {
    margin: 0;
}

.usage-header h3 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-text-dark);
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
}

.usage-header h3 i {
    color: var(--color-primary);
    font-size: 1.8rem;
    animation: bounce 2s infinite;
}

.usage-header p {
    color: var(--color-text-light);
    font-size: 1.1rem;
    font-weight: 500;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateY(0);
    }
    40% {
        transform: translateY(-10px);
    }
    60% {
        transform: translateY(-5px);
    }
}

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

.usage-step {
    background: var(--color-surface);
    padding: 2rem;
    border-radius: var(--border-radius-xl);
    border: 1px solid var(--color-border);
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.usage-step::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
    transform: scaleX(0);
    transition: var(--transition-normal);
}

.usage-step:hover::before {
    transform: scaleX(1);
}

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

.usage-step .step-number {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    font-weight: 700;
    color: white;
    margin-bottom: 1rem;
    transition: var(--transition-normal);
    position: relative;
}

.usage-step:hover .step-number {
    transform: scale(1.1);
}

.usage-step .step-number::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 60px;
    height: 60px;
    border: 2px solid var(--color-primary);
    border-radius: 50%;
    opacity: 0;
    transition: var(--transition-normal);
}

.usage-step:hover .step-number::after {
    opacity: 0.3;
    transform: translate(-50%, -50%) scale(1.2);
}

.usage-step h4 {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--color-text-dark);
    margin-bottom: 0.75rem;
}

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

/* Enhanced Professional Tips Section */
.tips-section {
    background: var(--color-background);
    border-radius: var(--border-radius-2xl);
    padding: 3rem;
    margin-top: 3rem;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--color-border);
}

.tips-section h3 {
    text-align: center;
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-text-dark);
    margin-bottom: 2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
}

.tips-section h3 i {
    color: var(--color-warning);
    font-size: 1.8rem;
    animation: glow 2s infinite alternate;
}

@keyframes glow {
    from {
        filter: drop-shadow(0 0 5px rgba(245, 158, 11, 0.5));
    }
    to {
        filter: drop-shadow(0 0 15px rgba(245, 158, 11, 0.8));
    }
}

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

.tip-card {
    background: var(--color-surface);
    padding: 2rem;
    border-radius: var(--border-radius-xl);
    border: 1px solid var(--color-border);
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.tip-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--color-success), var(--color-warning));
    transform: scaleX(0);
    transition: var(--transition-normal);
}

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

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

.tip-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--color-success), var(--color-warning));
    border-radius: var(--border-radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1rem;
    transition: var(--transition-normal);
}

.tip-card:hover .tip-icon {
    transform: scale(1.1) rotate(5deg);
}

.tip-card h4 {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--color-text-dark);
    margin-bottom: 1rem;
}

.tip-card ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.tip-card ul li {
    color: var(--color-text-light);
    margin-bottom: 0.5rem;
    padding-left: 1.5rem;
    position: relative;
    line-height: 1.5;
}

.tip-card ul li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--color-success);
    font-weight: bold;
    font-size: 1.1rem;
}

.tip-card ul li:last-child {
    margin-bottom: 0;
}

/* Enhanced Professional About Section */
.about {
    padding: 6rem 0;
    background: var(--color-background);
    position: relative;
}

.about::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(248, 250, 252, 0.8) 0%, rgba(241, 245, 249, 0.8) 100%);
    z-index: 0;
}

.about .container {
    position: relative;
    z-index: 1;
}

.about-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 4rem;
    align-items: start;
}

.about-text {
    max-width: 800px;
}

.about-text h2 {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--color-text-dark);
    margin-bottom: 1.5rem;
    letter-spacing: -0.025em;
}

.about-text h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-text-dark);
    margin: 2rem 0 1rem;
}

.about-text p {
    color: var(--color-text-light);
    line-height: 1.7;
    margin-bottom: 1rem;
    font-size: 1.05rem;
}

.about-text ul {
    list-style: none;
    padding: 0;
    margin: 1rem 0;
}

.about-text ul li {
    color: var(--color-text-light);
    margin-bottom: 0.5rem;
    padding-left: 1.5rem;
    position: relative;
    line-height: 1.6;
}

.about-text ul li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--color-primary);
    font-weight: bold;
    font-size: 1.2rem;
}

.about-visual {
    display: flex;
    align-items: center;
    justify-content: center;
}

.compliance-badges {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.badge {
    background: var(--color-background);
    padding: 1.5rem;
    border-radius: var(--border-radius-xl);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--color-border);
    display: flex;
    align-items: center;
    gap: 1rem;
    transition: var(--transition-normal);
    min-width: 200px;
}

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

.badge i {
    font-size: 1.5rem;
    color: var(--color-primary);
    width: 30px;
    text-align: center;
}

/* Enhanced Professional Contact Section */
.contact {
    padding: 6rem 0;
    background: var(--color-surface);
    position: relative;
}

.contact::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.05) 0%, rgba(6, 182, 212, 0.05) 100%);
    z-index: 0;
}

.contact .container {
    position: relative;
    z-index: 1;
}

.contact-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    margin: 3rem auto 0;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    text-align: center;
    width: 100%;
    max-width: 480px;
}

.contact-item {
    background: var(--color-background);
    padding: 2rem;
    border-radius: var(--border-radius-xl);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--color-border);
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 1rem;
    width: 100%;
    max-width: 480px;
    transition: var(--transition-normal);
}

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

.contact-item i {
    font-size: 1.5rem;
    color: var(--color-primary);
    width: 30px;
    text-align: center;
}

.contact-item h4 {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--color-text-dark);
    margin-bottom: 0.25rem;
}

.contact-item p {
    color: var(--color-text-light);
    margin: 0;
}

.contact-form {
    background: var(--color-background);
    padding: 2.5rem;
    border-radius: var(--border-radius-xl);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--color-border);
}

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

input, textarea {
    width: 100%;
    padding: 1rem;
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-md);
    font-size: 1rem;
    transition: var(--transition-normal);
    background: var(--color-background);
    color: var(--color-text-dark);
}

input:focus, textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

button.btn, .btn {
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    color: white;
    border: none;
    padding: 1rem 2rem;
    border-radius: var(--border-radius-lg);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

button.btn::before, .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: var(--transition-slow);
}

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

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

/* Enhanced Professional Footer */
.footer {
    background: var(--color-text-dark);
    color: white;
    padding: 4rem 0 2rem;
    position: relative;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(30, 58, 138, 0.95) 0%, rgba(59, 130, 246, 0.95) 100%);
    z-index: 0;
}

.footer .container {
    position: relative;
    z-index: 1;
}

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

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

.footer-logo {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    color: white;
    text-decoration: none;
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    transition: var(--transition-normal);
}

.footer-logo:hover {
    transform: translateY(-2px);
    color: rgba(255, 255, 255, 0.9);
}

.footer-logo img {
    width: 40px;
    height: 40px;
    transition: var(--transition-normal);
}

.footer-logo:hover img {
    transform: scale(1.1) rotate(5deg);
}

.footer-section p {
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.6;
    margin-bottom: 1.5rem;
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
}

.social-links {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-top: 1.5rem;
}

.social-links a {
    width: 45px;
    height: 45px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    text-decoration: none;
    transition: var(--transition-normal);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.social-links a:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
    border-color: rgba(255, 255, 255, 0.4);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    padding-top: 2rem;
    text-align: center;
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.7);
    margin: 0.5rem 0;
    font-size: 0.9rem;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 2rem;
    }
    
    .about-content {
        flex-direction: column;
        gap: 3rem;
    }
    
    .footer-content {
        flex-direction: column;
        gap: 2rem;
    }
    
    .contact-content {
        flex-direction: column;
        gap: 2rem;
    }
    
    .hero-title {
        font-size: 2.8rem;
    }
}

@media (max-width: 768px) {
    .nav-container {
        height: 70px;
    }
    
    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 300px;
        height: 100vh;
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        flex-direction: column;
        justify-content: flex-start;
        align-items: flex-start;
        padding: 100px 2rem 2rem;
        gap: 1rem;
        transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
        box-shadow: -10px 0 30px rgba(0, 0, 0, 0.1);
        border-left: 1px solid rgba(135, 206, 235, 0.2);
        overflow-y: auto;
    }
    
    .nav-menu.active {
        right: 0;
    }
    
    .nav-link {
        width: 100%;
        padding: 1rem 1.5rem;
        border-radius: 12px;
        font-size: 1.1rem;
        font-weight: 600;
        border: 1px solid rgba(135, 206, 235, 0.1);
        transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    }
    
    .hamburger {
        display: flex;
    }
    
    .hero-container {
        flex-direction: column;
        gap: 3rem;
        text-align: center;
    }
    
    .hero-content {
        align-items: center;
        justify-content: center;
    }
    
    .hero-title {
        font-size: 2.2rem;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: 1.5rem;
        align-items: center;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .how-it-works .steps-container,
    .usage-steps {
        flex-direction: column;
        gap: 2rem;
    }
    
    .usage-steps {
        grid-template-columns: 1fr;
        padding: 1.5rem;
    }
    
    .usage-section {
        margin-bottom: 3rem;
    }
    
    .usage-header {
        padding: 1.5rem;
    }
    
    .usage-header h3 {
        font-size: 1.5rem;
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .usage-header h3 i {
        font-size: 1.8rem;
    }
    
    .usage-step {
        padding: 1.5rem 1rem;
    }
    
    .usage-step .step-number {
        width: 50px;
        height: 50px;
        font-size: 1.3rem;
    }
    
    .about-content {
        flex-direction: column;
        gap: 2rem;
    }
    
    .footer-content {
        flex-direction: column;
        gap: 2rem;
        align-items: flex-start;
    }
    
    .footer-section {
        margin-bottom: 2rem;
    }
    
    .contact-content {
        flex-direction: column;
        gap: 2rem;
    }
    
    .contact-form {
        padding: 2rem 1.5rem;
    }
    
    .tips-grid {
        grid-template-columns: 1fr;
        padding: 1.5rem;
        gap: 1.5rem;
    }
    
    .tips-section h3 {
        font-size: 1.4rem;
        padding: 1.5rem;
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .tips-section h3 i {
        font-size: 1.6rem;
    }
    
    .tip-card {
        padding: 1.5rem 1rem;
    }
    
    .tip-icon {
        font-size: 2.5rem;
    }
}

@media (max-width: 480px) {
    .container {
        width: 95%;
        padding: 0 10px;
    }
    
    .navbar {
        font-size: 0.95rem;
    }
    
    .nav-logo {
        font-size: 1.4rem;
    }
    
    .hero-title {
        font-size: 1.8rem;
    }
    
    .section-header h2 {
        font-size: 2rem;
    }
    
    .feature-card,
    .step,
    .usage-step,
    .tip-card,
    .contact-item,
    .contact-form,
    .badge {
        padding: 1.5rem 1rem;
        font-size: 0.95rem;
    }
    
    .about-text h2 {
        font-size: 2rem;
    }
    
    .about-text h3 {
        font-size: 1.2rem;
    }
    
    .footer {
        padding: 3rem 0 1.5rem 0;
    }
    
    .footer-logo {
        font-size: 1.3rem;
    }
    
    .footer-section h4 {
        font-size: 1.2rem;
    }
    
    .footer-bottom {
        font-size: 0.9rem;
    }
}

/* Responsive Navigation */
@media (max-width: 1024px) {
    .nav-container {
        padding: 0 1.5rem;
    }
    
    .nav-menu {
        gap: 0.25rem;
    }
    
    .nav-link {
        padding: 0.6rem 1rem;
        font-size: 0.95rem;
    }
    
    .logo-text {
        font-size: 1.6rem;
    }
    
    .logo-img {
        height: 40px;
    }
}

@media (max-width: 768px) {
    .nav-container {
        padding: 0 1rem;
        height: 70px;
    }
    
    .hamburger {
        display: flex;
        z-index: 1001;
    }
    
    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 300px;
        height: 100vh;
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        flex-direction: column;
        justify-content: flex-start;
        align-items: flex-start;
        padding: 100px 2rem 2rem;
        gap: 1rem;
        transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
        box-shadow: -10px 0 30px rgba(0, 0, 0, 0.1);
        border-left: 1px solid rgba(135, 206, 235, 0.2);
        overflow-y: auto;
    }
    
    .nav-menu.active {
        right: 0;
    }
    
    .nav-item {
        width: 100%;
    }
    
    .nav-link {
        width: 100%;
        padding: 1rem 1.5rem;
        border-radius: 12px;
        font-size: 1.1rem;
        font-weight: 600;
        border: 1px solid rgba(135, 206, 235, 0.1);
        transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    }
    
    .nav-link:hover {
        background: rgba(135, 206, 235, 0.1);
        border-color: rgba(135, 206, 235, 0.3);
        transform: translateX(10px);
    }
    
    .nav-link.active {
        background: linear-gradient(135deg, rgba(135, 206, 235, 0.1), rgba(64, 224, 208, 0.1));
        border-color: rgba(135, 206, 235, 0.3);
        color: var(--color-sky-blue);
    }
    
    .btn-register {
        margin-top: 1rem;
        width: 100%;
        text-align: center;
        justify-content: center;
        padding: 1.2rem 1.5rem;
        font-size: 1.1rem;
    }
    
    .logo-text {
        font-size: 1.5rem;
    }
    
    .logo-img {
        height: 35px;
    }
    
    /* Mobile menu animation */
    .nav-menu .nav-item {
        opacity: 0;
        transform: translateX(50px);
        transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    }
    
    .nav-menu.active .nav-item {
        opacity: 1;
        transform: translateX(0);
    }
    
    .nav-menu.active .nav-item:nth-child(1) { transition-delay: 0.1s; }
    .nav-menu.active .nav-item:nth-child(2) { transition-delay: 0.2s; }
    .nav-menu.active .nav-item:nth-child(3) { transition-delay: 0.3s; }
    .nav-menu.active .nav-item:nth-child(4) { transition-delay: 0.4s; }
    .nav-menu.active .nav-item:nth-child(5) { transition-delay: 0.5s; }
}

@media (max-width: 480px) {
    .nav-container {
        padding: 0 0.75rem;
        height: 65px;
    }
    
    .nav-menu {
        width: 280px;
        padding: 90px 1.5rem 2rem;
    }
    
    .nav-link {
        padding: 0.9rem 1.25rem;
        font-size: 1rem;
    }
    
    .btn-register {
        padding: 1rem 1.25rem;
        font-size: 1rem;
    }
    
    .logo-text {
        font-size: 1.3rem;
    }
    
    .logo-img {
        height: 30px;
    }
    
    .hamburger {
        padding: 10px;
    }
    
    .hamburger .bar {
        width: 24px;
        height: 2.5px;
    }
}

/* Dark mode support for navigation */
@media (prefers-color-scheme: dark) {
    .navbar {
        background: rgba(15, 23, 42, 0.95);
        border-bottom: 1px solid rgba(135, 206, 235, 0.1);
    }
    
    .navbar.scrolled {
        background: rgba(15, 23, 42, 0.98);
        border-bottom: 1px solid rgba(135, 206, 235, 0.2);
    }
    
    .nav-link {
        color: rgba(255, 255, 255, 0.9);
    }
    
    .nav-link:hover {
        color: var(--color-sky-blue);
        background: rgba(135, 206, 235, 0.1);
    }
    
    .nav-link.active {
        background: rgba(135, 206, 235, 0.15);
        color: var(--color-sky-blue);
    }
    
    @media (max-width: 768px) {
        .nav-menu {
            background: rgba(15, 23, 42, 0.98);
            border-left: 1px solid rgba(135, 206, 235, 0.2);
        }
        
        .nav-link {
            background: rgba(255, 255, 255, 0.05);
            border-color: rgba(135, 206, 235, 0.1);
            color: rgba(255, 255, 255, 0.9);
        }
        
        .nav-link:hover {
            background: rgba(135, 206, 235, 0.1);
            border-color: rgba(135, 206, 235, 0.3);
        }
        
        .nav-link.active {
            background: linear-gradient(135deg, rgba(135, 206, 235, 0.15), rgba(64, 224, 208, 0.15));
            border-color: rgba(135, 206, 235, 0.3);
        }
    }
}

@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);
    }
}

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

/* Enhanced Professional QR Demo */
.qr-demo {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border-radius: var(--border-radius-2xl);
    box-shadow: var(--shadow-xl);
    padding: 4rem 3rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    border: 1px solid var(--color-border);
    position: relative;
    overflow: hidden;
    min-width: 400px;
    min-height: 500px;
    transition: var(--transition-normal);
}

.qr-demo::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 6px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
    border-radius: var(--border-radius-2xl) var(--border-radius-2xl) 0 0;
}

.qr-demo::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(59, 130, 246, 0.1) 0%, transparent 70%);
    border-radius: 50%;
    z-index: 0;
    animation: pulse-glow 3s infinite ease-in-out;
}

.qr-code {
    margin-bottom: 2.5rem;
    filter: drop-shadow(0 10px 20px rgba(59, 130, 246, 0.3));
    animation: qr-pulse 3s infinite ease-in-out;
    position: relative;
    z-index: 1;
    transition: var(--transition-normal);
}

.qr-code:hover {
    transform: scale(1.05) rotate(2deg);
    filter: drop-shadow(0 15px 30px rgba(59, 130, 246, 0.4));
}

/* Enhanced Professional QR Icon */
.qr-icon {
    position: relative;
    width: 120px;
    height: 120px;
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    border-radius: var(--border-radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-lg);
    overflow: hidden;
}

.qr-icon i {
    font-size: 4rem;
    color: #fff;
    z-index: 2;
    position: relative;
    filter: drop-shadow(0 2px 8px rgba(0, 0, 0, 0.2));
    animation: icon-float 2s infinite ease-in-out;
}

.qr-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.3) 0%, transparent 70%);
    border-radius: var(--border-radius-xl);
    animation: glow-pulse 3s infinite ease-in-out;
}

.qr-icon::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, transparent 30%, rgba(255, 255, 255, 0.1) 50%, transparent 70%);
    animation: shimmer 2s infinite;
}

@keyframes icon-float {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-5px);
    }
}

@keyframes glow-pulse {
    0%, 100% {
        opacity: 0.3;
        transform: translate(-50%, -50%) scale(1);
    }
    50% {
        opacity: 0.6;
        transform: translate(-50%, -50%) scale(1.1);
    }
}

@keyframes shimmer {
    0% {
        transform: translateX(-100%);
    }
    100% {
        transform: translateX(100%);
    }
}

/* Enhanced Professional QR Demo Components */
.scan-animation {
    width: 250px;
    height: 12px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
    border-radius: var(--border-radius-lg);
    animation: enhanced-scan 2.5s infinite alternate ease-in-out;
    box-shadow: var(--shadow-md);
    position: relative;
    z-index: 1;
    margin-bottom: 2.5rem;
}

.scan-animation::before {
    content: '';
    position: absolute;
    top: -3px;
    left: -3px;
    right: -3px;
    bottom: -3px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
    border-radius: var(--border-radius-xl);
    opacity: 0.3;
    animation: scan-glow 2.5s infinite alternate ease-in-out;
}

.qr-info {
    text-align: center;
    margin-bottom: 2.5rem;
    position: relative;
    z-index: 1;
}

.qr-info h3 {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 0.8rem;
}

.qr-info p {
    color: var(--color-text-light);
    font-size: 1.1rem;
    font-weight: 500;
    line-height: 1.6;
    max-width: 300px;
}

.qr-action {
    position: relative;
    z-index: 1;
}

.qr-action .btn {
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    color: #fff;
    border: none;
    padding: 1.2rem 2.5rem;
    border-radius: var(--border-radius-lg);
    font-size: 1.2rem;
    font-weight: 600;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.8rem;
    transition: var(--transition-normal);
    box-shadow: var(--shadow-md);
    position: relative;
    overflow: hidden;
}

.qr-action .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: var(--transition-slow);
}

.qr-action .btn:hover::before {
    left: 100%;
}

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

.qr-action .btn i {
    font-size: 1.1rem;
    transition: var(--transition-normal);
}

.qr-action .btn:hover i {
    transform: scale(1.1);
}

/* Enhanced Professional Animations */
@keyframes enhanced-scan {
    0% { 
        opacity: 0.4;
        transform: scaleX(0.6) translateY(-5px);
        box-shadow: var(--shadow-sm);
    }
    50% {
        opacity: 0.8;
        transform: scaleX(1.1) translateY(0);
        box-shadow: var(--shadow-md);
    }
    100% { 
        opacity: 1;
        transform: scaleX(1.4) translateY(5px);
        box-shadow: var(--shadow-lg);
    }
}

@keyframes scan-glow {
    0% {
        opacity: 0.2;
        transform: scale(0.8);
    }
    100% {
        opacity: 0.5;
        transform: scale(1.2);
    }
}

@keyframes qr-pulse {
    0%, 100% { 
        transform: scale(1) rotate(0deg);
        filter: drop-shadow(0 8px 16px rgba(59, 130, 246, 0.3));
    }
    25% {
        transform: scale(1.02) rotate(1deg);
        filter: drop-shadow(0 10px 20px rgba(59, 130, 246, 0.4));
    }
    50% { 
        transform: scale(1.05) rotate(0deg);
        filter: drop-shadow(0 12px 24px rgba(59, 130, 246, 0.5));
    }
    75% {
        transform: scale(1.02) rotate(-1deg);
        filter: drop-shadow(0 10px 20px rgba(59, 130, 246, 0.4));
    }
}

@keyframes pulse-glow {
    0%, 100% {
        opacity: 0.3;
        transform: translate(-50%, -50%) scale(1);
    }
    50% {
        opacity: 0.6;
        transform: translate(-50%, -50%) scale(1.1);
    }
}

/* Enhanced Professional Section Headers */
.section-header {
    text-align: center;
    margin-bottom: 4rem;
    position: relative;
}

.section-header::after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
    border-radius: 2px;
}

.section-header h2 {
    font-size: 2.8rem;
    font-weight: 800;
    color: var(--color-text-dark);
    margin-bottom: 1rem;
    letter-spacing: -0.025em;
}

.section-header p {
    color: var(--color-text-light);
    font-size: 1.2rem;
    font-weight: 500;
    max-width: 600px;
    margin: 0 auto;
}

/* Enhanced Professional Features Section */
.features {
    padding: 6rem 0;
    background: var(--color-surface);
    position: relative;
}

.features::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.05) 0%, rgba(6, 182, 212, 0.05) 100%);
    z-index: 0;
}

.features .container {
    position: relative;
    z-index: 1;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.feature-card {
    background: var(--color-background);
    padding: 2.5rem;
    border-radius: var(--border-radius-xl);
    box-shadow: var(--shadow-md);
    transition: var(--transition-normal);
    border: 1px solid var(--color-border);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
    transform: scaleX(0);
    transition: var(--transition-normal);
}

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

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.feature-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    border-radius: var(--border-radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    transition: var(--transition-normal);
}

.feature-card:hover .feature-icon {
    transform: scale(1.1) rotate(5deg);
}

.feature-card h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-text-dark);
    margin-bottom: 1rem;
}

.feature-card p {
    color: var(--color-text-light);
    line-height: 1.6;
    font-size: 1rem;
}

/* === ENHANCED USER EXPERIENCE STYLES === */

/* Loading States and Animations */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.loading-overlay.active {
    opacity: 1;
    visibility: visible;
}

.loading-spinner {
    width: 60px;
    height: 60px;
    border: 4px solid rgba(59, 130, 246, 0.1);
    border-left: 4px solid var(--color-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    position: relative;
}

.loading-spinner::after {
    content: '';
    position: absolute;
    top: -8px;
    left: -8px;
    right: -8px;
    bottom: -8px;
    border: 2px solid rgba(59, 130, 246, 0.2);
    border-radius: 50%;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

@keyframes pulse {
    0%, 100% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.1); opacity: 0.7; }
}

.loading-text {
    margin-top: 1rem;
    font-size: 1.1rem;
    font-weight: 500;
    color: var(--color-text-dark);
    text-align: center;
}

/* Form Validation and Feedback */
.form-group {
    position: relative;
    margin-bottom: 1.5rem;
}

.form-group.success input,
.form-group.success textarea,
.form-group.success select {
    border-color: var(--color-success);
    box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.1);
}

.form-group.error input,
.form-group.error textarea,
.form-group.error select {
    border-color: var(--color-error);
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1);
}

.form-group.warning input,
.form-group.warning textarea,
.form-group.warning select {
    border-color: var(--color-warning);
    box-shadow: 0 0 0 3px rgba(245, 158, 11, 0.1);
}

.validation-icon {
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 1.2rem;
    transition: all 0.3s ease;
    opacity: 0;
}

.form-group.success .validation-icon {
    color: var(--color-success);
    opacity: 1;
}

.form-group.error .validation-icon {
    color: var(--color-error);
    opacity: 1;
}

.form-group.warning .validation-icon {
    color: var(--color-warning);
    opacity: 1;
}

.validation-message {
    font-size: 0.875rem;
    margin-top: 0.5rem;
    padding: 0.5rem;
    border-radius: var(--border-radius-sm);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    opacity: 0;
    transform: translateY(-10px);
    transition: all 0.3s ease;
}

.validation-message.show {
    opacity: 1;
    transform: translateY(0);
}

.validation-message.success {
    background: rgba(16, 185, 129, 0.1);
    color: var(--color-success);
    border: 1px solid rgba(16, 185, 129, 0.2);
}

.validation-message.error {
    background: rgba(239, 68, 68, 0.1);
    color: var(--color-error);
    border: 1px solid rgba(239, 68, 68, 0.2);
}

.validation-message.warning {
    background: rgba(245, 158, 11, 0.1);
    color: var(--color-warning);
    border: 1px solid rgba(245, 158, 11, 0.2);
}

/* Enhanced Form Inputs */
.form-group input,
.form-group textarea,
.form-group select {
    transition: all 0.3s ease;
    position: relative;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(59, 130, 246, 0.15);
}

.form-group input:focus + .input-highlight,
.form-group textarea:focus + .input-highlight,
.form-group select:focus + .input-highlight {
    width: 100%;
    opacity: 1;
}

.input-highlight {
    position: absolute;
    bottom: 0;
    left: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
    width: 0;
    opacity: 0;
    transition: all 0.3s ease;
}

/* Progress Indicator */
.form-progress {
    margin-bottom: 2rem;
    padding: 1rem;
    background: rgba(255, 255, 255, 0.8);
    border-radius: var(--border-radius-lg);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.progress-bar {
    width: 100%;
    height: 8px;
    background: rgba(59, 130, 246, 0.1);
    border-radius: 4px;
    overflow: hidden;
    position: relative;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
    border-radius: 4px;
    transition: width 0.5s ease;
    position: relative;
}

.progress-fill::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    animation: shimmer 2s infinite;
}

@keyframes shimmer {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

.progress-text {
    margin-top: 0.5rem;
    font-size: 0.875rem;
    color: var(--color-text-light);
    text-align: center;
}

/* Enhanced QR Code Generation Experience */
.qr-generation-container {
    position: relative;
    padding: 2rem;
    background: rgba(255, 255, 255, 0.9);
    border-radius: var(--border-radius-xl);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    box-shadow: var(--shadow-xl);
    overflow: hidden;
}

.qr-generation-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-secondary), var(--color-accent));
    animation: progress-flow 3s ease-in-out infinite;
}

@keyframes progress-flow {
    0%, 100% { transform: translateX(-100%); }
    50% { transform: translateX(100%); }
}

.qr-preview {
    text-align: center;
    margin: 2rem 0;
    padding: 2rem;
    background: rgba(255, 255, 255, 0.5);
    border-radius: var(--border-radius-lg);
    border: 2px dashed rgba(59, 130, 246, 0.3);
    transition: all 0.3s ease;
}

.qr-preview:hover {
    border-color: var(--color-primary);
    background: rgba(255, 255, 255, 0.8);
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.qr-preview-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    color: var(--color-text-light);
}

.qr-preview-placeholder i {
    font-size: 4rem;
    color: var(--color-primary);
    opacity: 0.5;
    animation: qr-pulse 2s ease-in-out infinite;
}

@keyframes qr-pulse {
    0%, 100% { transform: scale(1); opacity: 0.5; }
    50% { transform: scale(1.1); opacity: 0.8; }
}

.qr-preview img {
    max-width: 200px;
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
}

.qr-preview img:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow-lg);
}

/* Success Animation */
.success-animation {
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 2rem 0;
}

.success-checkmark {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: var(--color-success);
    display: flex;
    align-items: center;
    justify-content: center;
    animation: success-bounce 0.6s ease-in-out;
}

.success-checkmark i {
    color: white;
    font-size: 2rem;
    animation: check-appear 0.8s ease-in-out 0.3s both;
}

@keyframes success-bounce {
    0% { transform: scale(0); }
    50% { transform: scale(1.2); }
    100% { transform: scale(1); }
}

@keyframes check-appear {
    0% { transform: scale(0) rotate(-45deg); opacity: 0; }
    100% { transform: scale(1) rotate(0deg); opacity: 1; }
}

/* Toast Notifications */
.toast-container {
    position: fixed;
    top: 100px;
    right: 20px;
    z-index: 10000;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.toast {
    background: white;
    border-radius: var(--border-radius-md);
    padding: 1rem 1.5rem;
    box-shadow: var(--shadow-lg);
    border-left: 4px solid var(--color-primary);
    display: flex;
    align-items: center;
    gap: 0.75rem;
    min-width: 300px;
    transform: translateX(100%);
    opacity: 0;
    transition: all 0.3s ease;
}

.toast.show {
    transform: translateX(0);
    opacity: 1;
}

.toast.success {
    border-left-color: var(--color-success);
}

.toast.error {
    border-left-color: var(--color-error);
}

.toast.warning {
    border-left-color: var(--color-warning);
}

.toast-icon {
    font-size: 1.2rem;
}

.toast.success .toast-icon {
    color: var(--color-success);
}

.toast.error .toast-icon {
    color: var(--color-error);
}

.toast.warning .toast-icon {
    color: var(--color-warning);
}

.toast-content {
    flex: 1;
}

.toast-title {
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.toast-message {
    font-size: 0.875rem;
    color: var(--color-text-light);
}

.toast-close {
    background: none;
    border: none;
    color: var(--color-text-light);
    cursor: pointer;
    padding: 0.25rem;
    border-radius: var(--border-radius-sm);
    transition: all 0.2s ease;
}

.toast-close:hover {
    background: rgba(0, 0, 0, 0.1);
    color: var(--color-text-dark);
}

/* Enhanced Button States */
.btn {
    position: relative;
    overflow: hidden;
    transition: all 0.3s ease;
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none !important;
}

.btn.loading {
    pointer-events: none;
}

.btn.loading .btn-text {
    opacity: 0;
}

.btn.loading .btn-spinner {
    opacity: 1;
    transform: translate(-50%, -50%) scale(1);
}

.btn-spinner {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0);
    width: 20px;
    height: 20px;
    border: 2px solid transparent;
    border-top: 2px solid currentColor;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    opacity: 0;
    transition: all 0.3s ease;
}

/* Responsive Enhancements */
@media (max-width: 768px) {
    .loading-spinner {
        width: 50px;
        height: 50px;
    }
    
    .loading-text {
        font-size: 1rem;
    }
    
    .toast-container {
        right: 10px;
        left: 10px;
    }
    
    .toast {
        min-width: auto;
        width: 100%;
    }
    
    .qr-generation-container {
        padding: 1rem;
    }
    
    .qr-preview {
        padding: 1rem;
    }
    
    .qr-preview img {
        max-width: 150px;
    }
}

@media (max-width: 480px) {
    .loading-spinner {
        width: 40px;
        height: 40px;
    }
    
    .success-checkmark {
        width: 60px;
        height: 60px;
    }
    
    .success-checkmark i {
        font-size: 1.5rem;
    }
    
    .validation-message {
        font-size: 0.8rem;
    }
}

/* Additional Styles for Registration and QR Pages */
.registration-form .form-group,
.qr-display-content .form-group {
    position: relative;
    margin-bottom: 1.5rem;
}

.registration-form input,
.registration-form textarea,
.registration-form select,
.qr-display-content input,
.qr-display-content textarea,
.qr-display-content select {
    transition: all 0.3s ease;
    position: relative;
}

.registration-form input:focus,
.registration-form textarea:focus,
.registration-form select:focus,
.qr-display-content input:focus,
.qr-display-content textarea:focus,
.qr-display-content select:focus {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(59, 130, 246, 0.15);
}

.registration-form .btn,
.qr-display-content .btn {
    position: relative;
    overflow: hidden;
    transition: all 0.3s ease;
}

.registration-form .btn:disabled,
.qr-display-content .btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none !important;
}

.registration-form .btn.loading,
.qr-display-content .btn.loading {
    pointer-events: none;
}

.registration-form .btn.loading .btn-text,
.qr-display-content .btn.loading .btn-text {
    opacity: 0;
}

.registration-form .btn.loading .btn-spinner,
.qr-display-content .btn.loading .btn-spinner {
    opacity: 1;
    transform: translate(-50%, -50%) scale(1);
}

.download-btn {
    position: relative;
    overflow: hidden;
}

.download-btn .btn-spinner {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0);
    width: 20px;
    height: 20px;
    border: 2px solid transparent;
    border-top: 2px solid currentColor;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    opacity: 0;
    transition: all 0.3s ease;
}

.download-btn.loading .btn-text {
    opacity: 0;
}

.download-btn.loading .btn-spinner {
    opacity: 1;
    transform: translate(-50%, -50%) scale(1);
}

/* Enhanced QR Display Styles */
.qr-display-content {
    position: relative;
}

.qr-image-container {
    text-align: center;
    margin: 2rem 0;
}

.qr-preview {
    display: inline-block;
    padding: 2rem;
    background: rgba(255, 255, 255, 0.5);
    border-radius: var(--border-radius-lg);
    border: 2px dashed rgba(59, 130, 246, 0.3);
    transition: all 0.3s ease;
}

.qr-preview:hover {
    border-color: var(--color-primary);
    background: rgba(255, 255, 255, 0.8);
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.qr-preview img {
    max-width: 200px;
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
}

.qr-preview img:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow-lg);
}

/* Success Animation for QR Page */
.qr-display-section .success-animation {
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 2rem 0;
}

.qr-display-section .success-checkmark {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: var(--color-success);
    display: flex;
    align-items: center;
    justify-content: center;
    animation: success-bounce 0.6s ease-in-out;
}

.qr-display-section .success-checkmark i {
    color: white;
    font-size: 2rem;
    animation: check-appear 0.8s ease-in-out 0.3s both;
}

/* Form Progress for Registration */
.registration-form .form-progress {
    margin-bottom: 2rem;
    padding: 1rem;
    background: rgba(255, 255, 255, 0.8);
    border-radius: var(--border-radius-lg);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.registration-form .progress-bar {
    width: 100%;
    height: 8px;
    background: rgba(59, 130, 246, 0.1);
    border-radius: 4px;
    overflow: hidden;
    position: relative;
}

.registration-form .progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
    border-radius: 4px;
    transition: width 0.5s ease;
    position: relative;
}

.registration-form .progress-fill::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    animation: shimmer 2s infinite;
}

.registration-form .progress-text {
    margin-top: 0.5rem;
    font-size: 0.875rem;
    color: var(--color-text-light);
    text-align: center;
}

/* Mobile Responsive Enhancements */
@media (max-width: 768px) {
    .qr-preview {
        padding: 1rem;
    }
    
    .qr-preview img {
        max-width: 150px;
    }
    
    .success-checkmark {
        width: 60px;
        height: 60px;
    }
    
    .success-checkmark i {
        font-size: 1.5rem;
    }
    
    .download-buttons {
        flex-direction: column;
        gap: 1rem;
    }
    
    .download-btn {
        width: 100%;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .qr-preview img {
        max-width: 120px;
    }
    
    .success-checkmark {
        width: 50px;
        height: 50px;
    }
    
    .success-checkmark i {
        font-size: 1.2rem;
    }
}

/* Enhanced Form Layout and Alignments */
.registration-section {
    padding: 120px 0 80px 0;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.registration-card {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border-radius: var(--border-radius-xl);
    padding: 3rem;
    box-shadow: var(--shadow-xl);
    border: 1px solid rgba(255, 255, 255, 0.3);
    max-width: 600px;
    width: 100%;
    margin: 0 auto;
}

.registration-header {
    text-align: center;
    margin-bottom: 2.5rem;
}

.registration-header .header-icon {
    margin-bottom: 1.5rem;
}

.registration-header .header-logo {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    box-shadow: var(--shadow-md);
}

.registration-header h1 {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--color-text-dark);
    margin-bottom: 1rem;
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.registration-header p {
    font-size: 1.1rem;
    color: var(--color-text-light);
    line-height: 1.6;
}

.registration-form {
    margin-top: 2rem;
}

.registration-form h2 {
    font-size: 1.8rem;
    font-weight: 600;
    color: var(--color-text-dark);
    margin-bottom: 1.5rem;
    text-align: center;
}

.form-group {
    margin-bottom: 1.8rem;
}

.form-group label {
    display: block;
    font-weight: 500;
    color: var(--color-text-dark);
    margin-bottom: 0.75rem;
    font-size: 1rem;
}

.form-group label i {
    margin-right: 0.5rem;
    color: var(--color-primary);
    width: 16px;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 1rem 1.25rem;
    border: 2px solid rgba(59, 130, 246, 0.2);
    border-radius: var(--border-radius-md);
    font-size: 1rem;
    background: rgba(255, 255, 255, 0.8);
    transition: all 0.3s ease;
    font-family: inherit;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--color-primary);
    background: rgba(255, 255, 255, 0.95);
    box-shadow: 0 0 0 4px rgba(59, 130, 246, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    margin-bottom: 1.8rem;
}

.form-actions {
    display: flex;
    gap: 1rem;
    margin-top: 2.5rem;
    justify-content: center;
    flex-wrap: wrap;
}

.form-actions .btn {
    padding: 1rem 2rem;
    font-size: 1.1rem;
    font-weight: 600;
    min-width: 180px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.form-footer {
    margin-top: 2rem;
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(59, 130, 246, 0.1);
}

.security-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    background: rgba(16, 185, 129, 0.1);
    color: var(--color-success);
    border-radius: var(--border-radius-md);
    font-size: 0.9rem;
    font-weight: 500;
}

.security-badge i {
    font-size: 1.1rem;
}

/* Enhanced QR Display Layout */
.qr-display-section {
    padding: 80px 0;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.qr-display-card {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border-radius: var(--border-radius-xl);
    padding: 3rem;
    box-shadow: var(--shadow-xl);
    border: 1px solid rgba(255, 255, 255, 0.3);
    max-width: 700px;
    width: 100%;
    margin: 0 auto;
    text-align: center;
}

.qr-display-header {
    margin-bottom: 2.5rem;
}

.qr-display-header .header-icon {
    margin-bottom: 1.5rem;
}

.qr-display-header .header-icon i {
    font-size: 3rem;
    color: var(--color-primary);
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.qr-display-header h1 {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--color-text-dark);
    margin-bottom: 1rem;
}

.qr-display-header p {
    font-size: 1.1rem;
    color: var(--color-text-light);
    line-height: 1.6;
}

.qr-display-content {
    margin: 2rem 0;
}

.download-section {
    margin: 2.5rem 0;
}

.download-section h3 {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--color-text-dark);
    margin-bottom: 1.5rem;
}

.download-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 1.5rem;
}

.download-buttons .btn {
    padding: 1rem 2rem;
    font-size: 1.1rem;
    font-weight: 600;
    min-width: 160px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.download-info {
    background: rgba(59, 130, 246, 0.1);
    color: var(--color-primary);
    padding: 1rem;
    border-radius: var(--border-radius-md);
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    max-width: 500px;
    margin: 0 auto;
}

.user-info-section {
    margin: 2.5rem 0;
    text-align: left;
}

.user-info-section h3 {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--color-text-dark);
    margin-bottom: 1.5rem;
    text-align: center;
}

.user-info-grid {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    max-width: 500px;
    margin: 0 auto;
}

.info-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: rgba(255, 255, 255, 0.5);
    border-radius: var(--border-radius-md);
    border: 1px solid rgba(59, 130, 246, 0.1);
}

.info-item i {
    font-size: 1.2rem;
    color: var(--color-primary);
    width: 20px;
    text-align: center;
}

.info-item strong {
    font-weight: 600;
    color: var(--color-text-dark);
    min-width: 120px;
}

.info-item span {
    color: var(--color-text-light);
    flex: 1;
}

.action-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    margin-top: 2.5rem;
}

.action-buttons .btn {
    padding: 1rem 2rem;
    font-size: 1.1rem;
    font-weight: 600;
    min-width: 160px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

/* Mobile Responsive Improvements */
@media (max-width: 768px) {
    .registration-card,
    .qr-display-card {
        margin: 1rem;
        padding: 2rem;
    }
    
    .registration-header h1,
    .qr-display-header h1 {
        font-size: 2rem;
    }
    
    .form-row {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .form-actions,
    .download-buttons,
    .action-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .form-actions .btn,
    .download-buttons .btn,
    .action-buttons .btn {
        width: 100%;
        max-width: 300px;
    }
    
    .user-info-grid {
        grid-template-columns: 1fr;
    }
    
    .info-item {
        flex-direction: column;
        text-align: center;
        gap: 0.5rem;
    }
    
    .info-item strong {
        min-width: auto;
    }
}

@media (max-width: 480px) {
    .registration-card,
    .qr-display-card {
        padding: 1.5rem;
        margin: 0.5rem;
    }
    
    .registration-header h1,
    .qr-display-header h1 {
        font-size: 1.8rem;
    }
    
    .form-group input,
    .form-group textarea,
    .form-group select {
        padding: 0.875rem 1rem;
        font-size: 0.95rem;
    }
    
    .form-actions .btn,
    .download-buttons .btn,
    .action-buttons .btn {
        padding: 0.875rem 1.5rem;
        font-size: 1rem;
    }
}

/* Alert Styling for QR Display */
.qr-display-card .alert {
    text-align: center;
    margin: 2rem 0;
    padding: 1.5rem;
    border-radius: var(--border-radius-md);
    font-size: 1.1rem;
    font-weight: 500;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
}

.qr-display-card .alert.success {
    background: rgba(16, 185, 129, 0.1);
    color: var(--color-success);
    border: 1px solid rgba(16, 185, 129, 0.2);
}

.qr-display-card .alert.error {
    background: rgba(239, 68, 68, 0.1);
    color: var(--color-error);
    border: 1px solid rgba(239, 68, 68, 0.2);
}

.qr-display-card .alert i {
    font-size: 1.3rem;
}

/* Force Single Column Layout for Passenger Information */
.qr-display-card .user-info-section .user-info-grid,
.user-info-section .user-info-grid,
.user-info-grid {
    display: flex !important;
    flex-direction: column !important;
    grid-template-columns: none !important;
    grid-template-rows: none !important;
    gap: 1rem !important;
    max-width: 500px !important;
    margin: 0 auto !important;
}

.qr-display-card .user-info-section .info-item,
.user-info-section .info-item,
.info-item {
    display: flex !important;
    align-items: center !important;
    gap: 1rem !important;
    padding: 1rem !important;
    background: rgba(255, 255, 255, 0.5) !important;
    border-radius: var(--border-radius-md) !important;
    border: 1px solid rgba(59, 130, 246, 0.1) !important;
    width: 100% !important;
    max-width: 500px !important;
}