/* OhhQueTee Design System */
:root {
    /* Brand Colors */
    --color-primary: #4A90E2;
    --color-secondary: #9B59B6;
    --color-success: #2ECC71;
    --color-success-dark: #27AE60;
    --color-danger: #E74C3C;
    --color-warning: #F1C40F;
    
    /* Neutral Colors */
    --color-background: #F8F9FA;
    --color-surface: #FFFFFF;
    --color-text: #2C3E50;
    --color-text-light: #6C757D;
    --color-border: #E9ECEF;
    --color-border-light: #DEE2E6;
    
    /* Typography */
    --font-family-base: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-size-base: 1rem;
    --font-size-lg: 1.25rem;
    --font-size-xl: 1.5rem;
    --font-size-2xl: 2rem;
    --font-size-3xl: 2.5rem;
    --font-size-4xl: 3.5rem;
    --line-height-base: 1.6;
    --line-height-tight: 1.2;
    --line-height-relaxed: 1.8;
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    --spacing-4xl: 5rem;
    
    /* Border Radius */
    --radius-sm: 0.25rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 40px rgba(0, 0, 0, 0.15);
    
    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-base: 0.2s ease;
    --transition-slow: 0.3s ease;
}

* {
    box-sizing: border-box;
}

body {
    font-family: var(--font-family-base);
    font-size: var(--font-size-base);
    line-height: var(--line-height-base);
    margin: 0;
    padding: 0;
    background: var(--color-background);
    color: var(--color-text);
}

/* Hero Section */
.hero-section {
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    color: var(--color-surface);
    min-height: 100vh;
    display: flex;
    align-items: center;
    text-align: center;
    position: relative;
    padding-top: var(--spacing-4xl);
}

/* Scroll indicator */
.scroll-indicator {
    position: absolute;
    bottom: var(--spacing-xl);
    left: 50%;
    transform: translateX(-50%);
    animation: bounce 2s infinite;
    color: rgba(255, 255, 255, 0.9);
}

.scroll-indicator svg {
    width: 32px;
    height: 32px;
    stroke: currentColor;
    stroke-width: 3;
}

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

.content-wrapper {
    max-width: 900px;
    margin: 0 auto;
    padding: 0 var(--spacing-xl);
    width: 100%;
}

.logo-container {
    margin-bottom: var(--spacing-xl);
}

.brand-logo {
    max-width: 300px;
    height: auto;
    filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.1));
}

.heading-primary {
    font-size: var(--font-size-4xl);
    margin: 0 0 var(--spacing-sm) 0;
    font-weight: 700;
    line-height: var(--line-height-tight);
}

.brand-subtitle {
    font-size: var(--font-size-xl);
    font-weight: 600;
    margin: 0 0 var(--spacing-xl) 0;
    opacity: 0.9;
}

.text-tagline {
    font-size: var(--font-size-lg);
    margin: 0 0 var(--spacing-sm) 0;
    font-weight: 500;
}

.text-subtitle {
    font-size: var(--font-size-base);
    margin: 0 0 var(--spacing-2xl) 0;
    opacity: 0.9;
}

/* Form Components */
.form-container {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    max-width: 500px;
    margin: 0 auto;
}

.secondary-cta {
    margin-top: var(--spacing-lg);
    text-align: center;
}

.reserve-text {
    font-size: 0.9rem;
    margin: 0;
    opacity: 0.8;
    color: inherit;
}

.reserve-link {
    color: inherit;
    text-decoration: none;
    font-weight: 500;
    opacity: 1;
    transition: all 0.2s ease;
    border-bottom: 1px solid transparent;
}

.reserve-link:hover {
    opacity: 0.7;
    border-bottom: 1px solid currentColor;
}

.input-field {
    padding: var(--spacing-md) var(--spacing-lg);
    flex: 1;
    min-width: 280px;
    border: none;
    border-radius: var(--radius-lg);
    font-size: var(--font-size-base);
    box-shadow: var(--shadow-md);
    transition: box-shadow var(--transition-base);
}

.input-field:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(74, 144, 226, 0.3);
}

.btn-primary {
    padding: var(--spacing-md) var(--spacing-2xl);
    background: var(--color-success);
    color: var(--color-surface);
    border: none;
    border-radius: var(--radius-lg);
    cursor: pointer;
    font-size: var(--font-size-base);
    font-weight: 600;
    transition: all var(--transition-base);
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    background: var(--color-success-dark);
    transform: translateY(-1px);
    box-shadow: var(--shadow-lg);
}

.btn-secondary {
    padding: var(--spacing-md) var(--spacing-lg);
    background: rgba(255, 255, 255, 0.2);
    color: var(--color-surface);
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: var(--radius-lg);
    cursor: pointer;
    font-size: var(--font-size-base);
    font-weight: 600;
    transition: all var(--transition-base);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.3);
    border-color: rgba(255, 255, 255, 0.5);
    transform: translateY(-1px);
}

/* Hamburger Menu */
.hamburger-menu {
    position: fixed;
    top: var(--spacing-xl);
    right: var(--spacing-xl);
    z-index: 1001;
    background: rgba(255, 255, 255, 0.1);
    border: none;
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    cursor: pointer;
    transition: all var(--transition-base);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
}

.hamburger-menu:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: scale(1.05);
}

.hamburger-icon,
.close-icon {
    position: absolute;
    width: 24px;
    height: 24px;
    color: var(--color-surface);
    transition: all 0.3s ease;
}

.hamburger-icon {
    opacity: 1;
    transform: rotate(0deg) scale(1);
}

.close-icon {
    opacity: 0;
    transform: rotate(90deg) scale(0.8);
}

.hamburger-menu.active .hamburger-icon {
    opacity: 0;
    transform: rotate(-90deg) scale(0.8);
}

.hamburger-menu.active .close-icon {
    opacity: 1;
    transform: rotate(0deg) scale(1);
}

/* Menu Overlay */
.menu-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.95);
    backdrop-filter: blur(20px);
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    overflow-y: auto;
}

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

.menu-content {
    max-width: 600px;
    margin: 0 auto;
    padding: var(--spacing-4xl) var(--spacing-xl);
    position: relative;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
}


.menu-header {
    text-align: center;
    margin-bottom: var(--spacing-3xl);
}

.menu-header h2 {
    font-size: var(--font-size-3xl);
    margin: 0 0 var(--spacing-md) 0;
    color: var(--color-surface);
    font-weight: 700;
}

.menu-header p {
    font-size: var(--font-size-lg);
    margin: 0;
    color: rgba(255, 255, 255, 0.8);
}

/* Navigation Menu */
.main-navigation {
    display: flex;
    flex-direction: column;
    justify-content: center;
    height: 100%;
    padding: var(--spacing-2xl) 0;
}

.nav-menu {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.nav-item {
    opacity: 0;
    transform: translateX(-30px);
    animation: slideInNav 0.6s ease forwards;
}

.nav-item:nth-child(1) { animation-delay: 0.1s; }
.nav-item:nth-child(2) { animation-delay: 0.2s; }
.nav-item:nth-child(3) { animation-delay: 0.3s; }
.nav-item:nth-child(4) { animation-delay: 0.4s; }

@keyframes slideInNav {
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.nav-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    padding: var(--spacing-lg) var(--spacing-xl);
    color: var(--color-surface);
    text-decoration: none;
    font-size: var(--font-size-lg);
    font-weight: 500;
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
    border: 1px solid transparent;
}

.nav-link:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.2);
    transform: translateX(10px);
}

.nav-link i {
    width: 24px;
    height: 24px;
    opacity: 0.8;
}

.nav-link:hover i {
    opacity: 1;
    color: var(--color-primary);
}

.nav-link-active {
    background: rgba(255, 255, 255, 0.15);
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.nav-link-active i {
    opacity: 1;
    color: var(--color-primary);
}

.nav-actions {
    margin-top: var(--spacing-3xl);
    padding-top: var(--spacing-2xl);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.btn-nav-primary {
    display: block;
    width: 100%;
    padding: var(--spacing-lg) var(--spacing-2xl);
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    color: var(--color-surface);
    text-decoration: none;
    text-align: center;
    border-radius: var(--radius-lg);
    font-size: var(--font-size-lg);
    font-weight: 600;
    transition: all var(--transition-base);
    box-shadow: var(--shadow-lg);
}

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

/* Profile Signup Page */
.profile-signup-container {
    max-width: 900px;
    margin: 0 auto;
}

.signup-header {
    text-align: center;
    margin-bottom: var(--spacing-4xl);
}

.section-description {
    font-size: var(--font-size-lg);
    color: var(--color-text-light);
    margin: var(--spacing-md) 0 0 0;
    line-height: var(--line-height-relaxed);
}

/* Profile Signup Form */
.profile-signup-form {
    background: var(--color-surface);
    border-radius: var(--radius-xl);
    padding: var(--spacing-4xl);
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow-lg);
    margin-bottom: var(--spacing-4xl);
}

.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-4xl);
}

.input-group {
    display: flex;
    flex-direction: column;
}

.input-group.full-width {
    grid-column: 1 / -1;
}

.input-group label {
    font-size: var(--font-size-base);
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: var(--spacing-sm);
}

.input-group input,
.input-group select {
    padding: var(--spacing-md);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    background: var(--color-surface);
    color: var(--color-text);
    font-size: var(--font-size-base);
    font-family: var(--font-family-base);
    font-weight: 400;
    transition: all var(--transition-base);
    appearance: none;
    cursor: pointer;
}

.input-group select {
    background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%236C757D' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6,9 12,15 18,9'%3e%3c/polyline%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right var(--spacing-md) center;
    background-size: 16px;
    padding-right: calc(var(--spacing-md) + 24px);
}

.input-group input:focus,
.input-group select:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(74, 144, 226, 0.1);
    cursor: text;
}

.input-group select:focus {
    cursor: pointer;
}

.input-group input::placeholder {
    color: var(--color-text-light);
}

.username-input {
    display: flex;
    align-items: center;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    background: var(--color-surface);
    transition: all var(--transition-base);
}

.username-input:focus-within {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(74, 144, 226, 0.1);
}

.username-prefix {
    padding: var(--spacing-md);
    color: var(--color-text-light);
    font-weight: 600;
    border-right: 1px solid var(--color-border);
    background: var(--color-background);
}

.username-input input {
    border: none;
    background: transparent;
    flex: 1;
}

.username-status {
    padding: var(--spacing-sm);
    font-size: 1.2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 32px;
}

.username-status.checking {
    color: var(--color-text-light);
    animation: pulse 1.5s ease-in-out infinite;
}

.username-status.available {
    color: var(--color-success);
}

.username-status.unavailable {
    color: var(--color-danger);
}

.username-feedback {
    margin-top: var(--spacing-xs);
    font-size: 0.9rem;
    padding: var(--spacing-xs) 0;
    min-height: 1.2em;
}

.username-feedback.available {
    color: var(--color-success);
}

.username-feedback.unavailable {
    color: var(--color-danger);
}

.username-feedback.suggestion {
    color: var(--color-text-light);
    font-style: italic;
}

@keyframes pulse {
    0%, 100% { opacity: 0.4; }
    50% { opacity: 1; }
}

.input-hint {
    font-size: 0.85rem;
    color: var(--color-text-light);
    margin-top: var(--spacing-xs);
}

.btn-signup {
    width: 100%;
    padding: var(--spacing-lg) var(--spacing-2xl);
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    color: var(--color-surface);
    border: none;
    border-radius: var(--radius-lg);
    font-size: var(--font-size-lg);
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-base);
    box-shadow: var(--shadow-md);
}

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

/* Benefits Section */
.benefits-section {
    text-align: center;
}

.benefits-title {
    font-size: var(--font-size-2xl);
    margin: 0 0 var(--spacing-3xl) 0;
    color: var(--color-text);
    font-weight: 700;
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-2xl);
}

.benefit-card {
    padding: var(--spacing-2xl);
    text-align: center;
    border-radius: var(--radius-lg);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    transition: all var(--transition-slow);
}

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

.benefit-icon {
    margin-bottom: var(--spacing-lg);
    color: var(--color-primary);
}

.benefit-icon i {
    width: 48px;
    height: 48px;
    font-size: 48px;
}

.benefit-card h4 {
    font-size: var(--font-size-lg);
    margin: 0 0 var(--spacing-sm) 0;
    color: var(--color-text);
    font-weight: 600;
}

.benefit-card p {
    font-size: var(--font-size-base);
    margin: 0;
    color: var(--color-text-light);
    line-height: var(--line-height-base);
}

/* About Page Styles */
.about-section {
    margin-bottom: var(--spacing-4xl);
}

.about-content {
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
}

.about-text {
    font-size: var(--font-size-lg);
    line-height: var(--line-height-relaxed);
    color: var(--color-text-light);
    margin-bottom: var(--spacing-xl);
}

.values-section {
    margin-bottom: var(--spacing-4xl);
}

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

.value-card {
    background: var(--color-surface);
    padding: var(--spacing-2xl);
    border-radius: var(--radius-xl);
    text-align: center;
    border: 1px solid var(--color-border);
    transition: all var(--transition-slow);
}

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

.value-icon {
    margin-bottom: var(--spacing-lg);
    color: var(--color-primary);
}

/* Use higher specificity for consistent icon sizing */
.value-card .value-icon i,
.value-card .value-icon svg {
    width: 64px;
    height: 64px;
    font-size: 64px;
}

.value-card h3 {
    font-size: var(--font-size-xl);
    margin: 0 0 var(--spacing-md) 0;
    color: var(--color-text);
    font-weight: 600;
}

.value-card p {
    font-size: var(--font-size-base);
    margin: 0;
    color: var(--color-text-light);
    line-height: var(--line-height-base);
}

.safety-section {
    margin-bottom: var(--spacing-4xl);
}

.safety-features {
    margin-top: var(--spacing-3xl);
}

.safety-feature {
    display: grid;
    grid-template-columns: 64px 1fr;
    align-items: center;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-3xl);
    padding: var(--spacing-2xl);
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
}

.safety-icon {
    flex-shrink: 0;
    color: var(--color-primary);
}

/* Use higher specificity for consistent icon sizing */
.safety-feature .safety-icon i,
.safety-feature .safety-icon svg {
    width: 64px;
    height: 64px;
    font-size: 64px;
}

.safety-content h3 {
    font-size: var(--font-size-lg);
    margin: 0 0 var(--spacing-sm) 0;
    color: var(--color-text);
    font-weight: 600;
}

.safety-content p {
    font-size: var(--font-size-base);
    margin: 0;
    color: var(--color-text-light);
    line-height: var(--line-height-base);
}

.community-section {
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
}

.community-text {
    font-size: var(--font-size-lg);
    line-height: var(--line-height-relaxed);
    color: var(--color-text-light);
    margin-bottom: var(--spacing-3xl);
}

.cta-section {
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    padding: var(--spacing-4xl);
    border-radius: var(--radius-xl);
    color: var(--color-surface);
    margin-top: var(--spacing-4xl);
}

.cta-section h3 {
    font-size: var(--font-size-2xl);
    margin: 0 0 var(--spacing-md) 0;
    font-weight: 700;
}

.cta-section p {
    font-size: var(--font-size-lg);
    margin: 0 0 var(--spacing-2xl) 0;
    opacity: 0.9;
}

.cta-buttons {
    display: flex;
    gap: var(--spacing-lg);
    justify-content: center;
}

.cta-buttons .btn-primary {
    background: var(--color-surface);
    color: var(--color-primary);
}

.cta-buttons .btn-primary:hover {
    background: var(--color-background);
    transform: translateY(-2px);
}

.cta-buttons .btn-secondary {
    background: rgba(255, 255, 255, 0.2);
    color: var(--color-surface);
    border: 2px solid rgba(255, 255, 255, 0.3);
}

.cta-buttons .btn-secondary:hover {
    background: rgba(255, 255, 255, 0.3);
    border-color: rgba(255, 255, 255, 0.5);
    transform: translateY(-2px);
}

/* Features Section */
.content-section {
    padding: var(--spacing-4xl) var(--spacing-xl);
    background: var(--color-surface);
}

.section-content {
    max-width: 1200px;
    margin: 0 auto;
    text-align: center;
}

.heading-secondary {
    font-size: var(--font-size-3xl);
    margin: 0 0 var(--spacing-3xl) 0;
    color: var(--color-text);
    font-weight: 700;
}

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

.content-card {
    background: var(--color-background);
    padding: var(--spacing-2xl) var(--spacing-xl);
    border-radius: var(--radius-xl);
    text-align: center;
    transition: all var(--transition-slow);
    border: 1px solid var(--color-border);
}

.content-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
    border-color: var(--color-primary);
}

.card-icon {
    margin-bottom: var(--spacing-xl);
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-primary);
}

/* Use higher specificity to override Lucide defaults without !important */
.content-card .card-icon i,
.content-card .card-icon svg {
    width: 64px;
    height: 64px;
    font-size: 64px;
}

.card-title {
    font-size: var(--font-size-lg);
    margin: 0 0 var(--spacing-md) 0;
    color: var(--color-text);
    font-weight: 600;
}

.card-description {
    font-size: var(--font-size-base);
    margin: 0;
    color: var(--color-text-light);
    line-height: var(--line-height-base);
}

/* Footer */
.site-footer {
    padding: var(--spacing-2xl) var(--spacing-xl);
    background: var(--color-text);
    color: var(--color-surface);
    text-align: center;
}

.social-links {
    display: flex;
    justify-content: center;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.social-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    color: var(--color-primary);
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    transition: all var(--transition-base);
    text-decoration: none;
}

.social-link:hover {
    color: var(--color-surface);
    background: var(--color-primary);
    transform: translateY(-2px);
}

.social-link:nth-child(2):hover {
    background: #ff0050; /* TikTok pink */
}

.social-link:nth-child(3):hover {
    background: #1da1f2; /* X/Twitter blue */
}

.social-link:first-child:hover {
    background: linear-gradient(45deg, #f09433, #e6683c, #dc2743, #cc2366, #bc1888); /* Instagram gradient */
}

.copyright {
    margin: 0;
    font-size: var(--font-size-base);
    opacity: 0.8;
}

/* Message Components (Legacy - keeping for server-side messages) */
.message-container {
    margin: var(--spacing-xl) auto;
    padding: var(--spacing-md) var(--spacing-lg);
    max-width: 600px;
    border-radius: var(--radius-lg);
    font-weight: 600;
    text-align: center;
}

.message-success {
    background: rgba(46, 204, 113, 0.1);
    color: var(--color-success-dark);
    border: 1px solid rgba(46, 204, 113, 0.3);
}

.message-error {
    background: rgba(231, 76, 60, 0.1);
    color: var(--color-danger);
    border: 1px solid rgba(231, 76, 60, 0.3);
}

/* Beautiful Notification Popups */
.notification-popup {
    position: fixed;
    top: var(--spacing-xl);
    right: var(--spacing-xl);
    max-width: 400px;
    z-index: 1000;
    opacity: 0;
    transform: translateX(100%);
    transition: all 0.3s ease;
}

.notification-popup.notification-show {
    opacity: 1;
    transform: translateX(0);
}

.notification-popup.notification-fade-out {
    opacity: 0;
    transform: translateX(100%);
}

.notification-content {
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-xl);
    border-left: 4px solid var(--color-primary);
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    position: relative;
}

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

.notification-error .notification-content {
    border-left-color: var(--color-danger);
}

.notification-info .notification-content {
    border-left-color: var(--color-primary);
}

.notification-content p {
    margin: 0;
    flex: 1;
    font-size: var(--font-size-base);
    line-height: var(--line-height-base);
    color: var(--color-text);
}

.notification-close {
    background: none;
    border: none;
    cursor: pointer;
    color: var(--color-text-light);
    transition: color var(--transition-base);
    padding: 0;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
}

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

.notification-close i {
    width: 18px;
    height: 18px;
}

/* Loading state for button */
.btn-primary:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

/* Mobile responsive notifications */
@media (max-width: 768px) {
    .notification-popup {
        top: var(--spacing-lg);
        right: var(--spacing-lg);
        left: var(--spacing-lg);
        max-width: none;
    }
}

/* Animations */
@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.05); }
    100% { transform: scale(1); }
}

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

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

/* Responsive Design */
@media (max-width: 768px) {
    .heading-primary {
        font-size: var(--font-size-3xl);
    }
    
    .brand-subtitle {
        font-size: var(--font-size-lg);
    }
    
    .text-tagline {
        font-size: var(--font-size-base);
    }
    
    .text-subtitle {
        font-size: 0.9rem;
    }
    
    .form-container {
        flex-direction: column;
        gap: var(--spacing-md);
    }
    
    .input-field {
        min-width: 100%;
    }
    
    .btn-primary {
        width: 100%;
    }
    
    .content-section {
        padding: var(--spacing-3xl) var(--spacing-xl);
    }
    
    .heading-secondary {
        font-size: var(--font-size-2xl);
        margin-bottom: var(--spacing-2xl);
    }
    
    .card-grid {
        gap: var(--spacing-xl);
        margin-top: var(--spacing-2xl);
    }
    
    .content-card {
        padding: var(--spacing-xl) var(--spacing-lg);
    }
    
    .hero-section {
        min-height: 100vh;
        min-height: 100dvh; /* Dynamic viewport height for mobile */
    }
    
    .content-wrapper {
        padding: 0 var(--spacing-lg);
    }
    
    .scroll-indicator {
        display: none; /* Hide on mobile to save space */
    }
    
    /* Mobile hamburger menu adjustments */
    .hamburger-menu {
        top: var(--spacing-lg);
        right: var(--spacing-lg);
        padding: var(--spacing-sm);
        width: 44px;
        height: 44px;
    }
    
    .hamburger-icon,
    .close-icon {
        width: 20px;
        height: 20px;
    }
    
    .menu-content {
        padding: var(--spacing-xl) var(--spacing-lg);
        justify-content: flex-start;
        padding-top: var(--spacing-4xl);
    }
    
    .main-navigation {
        padding: var(--spacing-xl) 0;
    }
    
    .nav-menu {
        gap: var(--spacing-md);
    }
    
    .nav-link {
        font-size: var(--font-size-base);
        padding: var(--spacing-md) var(--spacing-lg);
        gap: var(--spacing-md);
    }
    
    .nav-link i {
        width: 20px;
        height: 20px;
    }
    
    .nav-actions {
        margin-top: var(--spacing-2xl);
        padding-top: var(--spacing-xl);
    }
    
    .btn-nav-primary {
        font-size: var(--font-size-base);
        padding: var(--spacing-md) var(--spacing-xl);
    }
    
    /* Mobile reserve page adjustments */
    .profile-signup-form {
        padding: var(--spacing-2xl) var(--spacing-lg);
    }
    
    .form-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
        margin-bottom: var(--spacing-2xl);
    }
    
    .input-group.full-width {
        grid-column: 1;
    }
    
    .username-input {
        flex-direction: column;
        align-items: stretch;
    }
    
    .username-prefix {
        border-right: none;
        border-bottom: 1px solid var(--color-border);
        text-align: center;
    }
    
    .benefits-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }
    
    .benefit-icon i {
        width: 40px;
        height: 40px;
        font-size: 40px;
    }
    
    .benefits-title {
        font-size: var(--font-size-xl);
        margin-bottom: var(--spacing-2xl);
    }
    
    /* Mobile about page adjustments */
    .values-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }
    
    .safety-feature {
        grid-template-columns: 1fr;
        text-align: center;
        gap: var(--spacing-md);
        justify-items: center;
    }
    
    .safety-icon {
        margin-bottom: var(--spacing-md);
    }
    
    .cta-buttons {
        flex-direction: column;
        gap: var(--spacing-md);
    }
    
    .cta-buttons .btn-primary,
    .cta-buttons .btn-secondary {
        width: 100%;
        text-align: center;
    }
}