/* ========================================
   EverSafe Design System
   ======================================== */

/* CSS Custom Properties (Design Tokens) */
:root {
    /* Primary Colors */
    --electric-blue: #0066FF;
    --electric-blue-light: #3385FF;
    --electric-blue-dark: #0052CC;
    --electric-blue-50: #E6F0FF;
    --electric-blue-100: #CCE0FF;

    /* Accent Colors */
    --crimson: #DC143C;
    --crimson-light: #E64A5F;
    --crimson-dark: #B01030;

    /* Success/Warning/Error */
    --success: #10B981;
    --success-light: #D1FAE5;
    --warning: #F59E0B;
    --warning-light: #FEF3C7;
    --error: #EF4444;
    --error-light: #FEE2E2;

    /* Neutrals */
    --gray-50: #F9FAFB;
    --gray-100: #F3F4F6;
    --gray-200: #E5E7EB;
    --gray-300: #D1D5DB;
    --gray-400: #9CA3AF;
    --gray-500: #6B7280;
    --gray-600: #4B5563;
    --gray-700: #374151;
    --gray-800: #1F2937;
    --gray-900: #111827;
    --gray-950: #030712;

    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-display: 'Plus Jakarta Sans', var(--font-primary);

    /* Font Sizes */
    --text-xs: 0.75rem;
    --text-sm: 0.875rem;
    --text-base: 1rem;
    --text-lg: 1.125rem;
    --text-xl: 1.25rem;
    --text-2xl: 1.5rem;
    --text-3xl: 1.875rem;
    --text-4xl: 2.25rem;
    --text-5xl: 3rem;
    --text-6xl: 3.75rem;

    /* Spacing */
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-10: 2.5rem;
    --space-12: 3rem;
    --space-16: 4rem;
    --space-20: 5rem;
    --space-24: 6rem;

    /* Border Radius */
    --radius-sm: 0.25rem;
    --radius-md: 0.375rem;
    --radius-lg: 0.5rem;
    --radius-xl: 0.75rem;
    --radius-2xl: 1rem;
    --radius-3xl: 1.5rem;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    --shadow-2xl: 0 25px 50px -12px rgb(0 0 0 / 0.25);

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 200ms ease;
    --transition-slow: 300ms ease;

    /* Container */
    --container-sm: 640px;
    --container-md: 768px;
    --container-lg: 1024px;
    --container-xl: 1280px;
    --container-2xl: 1400px;
}

/* ========================================
   CSS Reset
   ======================================== */

*, *::before, *::after {
    box-sizing: border-box;
}

* {
    margin: 0;
    padding: 0;
}

html {
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    font-size: var(--text-base);
    line-height: 1.6;
    color: var(--gray-900);
    background-color: #fff;
}

img, picture, video, canvas, svg {
    display: block;
    max-width: 100%;
}

input, button, textarea, select {
    font: inherit;
}

p, h1, h2, h3, h4, h5, h6 {
    overflow-wrap: break-word;
}

a {
    color: inherit;
    text-decoration: none;
}

ul, ol {
    list-style: none;
}

/* ========================================
   Typography
   ======================================== */

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 700;
    line-height: 1.2;
    color: var(--gray-900);
}

h1 { font-size: var(--text-5xl); }
h2 { font-size: var(--text-4xl); }
h3 { font-size: var(--text-3xl); }
h4 { font-size: var(--text-2xl); }
h5 { font-size: var(--text-xl); }
h6 { font-size: var(--text-lg); }

.display-1 {
    font-size: var(--text-6xl);
    font-weight: 800;
    letter-spacing: -0.02em;
}

.display-2 {
    font-size: var(--text-5xl);
    font-weight: 700;
    letter-spacing: -0.01em;
}

.text-gradient {
    background: linear-gradient(135deg, var(--electric-blue) 0%, var(--electric-blue-light) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.text-muted {
    color: var(--gray-500);
}

.text-small {
    font-size: var(--text-sm);
}

.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

/* ========================================
   Layout
   ======================================== */

.container {
    width: 100%;
    max-width: var(--container-xl);
    margin: 0 auto;
    padding: 0 var(--space-6);
}

.container-sm { max-width: var(--container-sm); }
.container-md { max-width: var(--container-md); }
.container-lg { max-width: var(--container-lg); }
.container-2xl { max-width: var(--container-2xl); }

.section {
    padding: var(--space-20) 0;
}

.section-sm {
    padding: var(--space-12) 0;
}

.section-lg {
    padding: var(--space-24) 0;
}

/* Grid */
.grid {
    display: grid;
    gap: var(--space-6);
}

.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

@media (max-width: 1024px) {
    .grid-4 { grid-template-columns: repeat(2, 1fr); }
    .grid-3 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 640px) {
    .grid-4, .grid-3, .grid-2 { grid-template-columns: 1fr; }
}

/* Flex */
.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.items-start { align-items: flex-start; }
.items-end { align-items: flex-end; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.justify-end { justify-content: flex-end; }
.gap-2 { gap: var(--space-2); }
.gap-3 { gap: var(--space-3); }
.gap-4 { gap: var(--space-4); }
.gap-6 { gap: var(--space-6); }
.gap-8 { gap: var(--space-8); }

/* ========================================
   Buttons
   ======================================== */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-6);
    font-size: var(--text-base);
    font-weight: 600;
    line-height: 1.5;
    border: none;
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-fast);
    text-decoration: none;
    white-space: nowrap;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.btn-primary {
    background: var(--electric-blue);
    color: #fff;
}

.btn-primary:hover:not(:disabled) {
    background: var(--electric-blue-dark);
    transform: translateY(-1px);
    box-shadow: var(--shadow-lg);
}

.btn-secondary {
    background: var(--gray-100);
    color: var(--gray-900);
}

.btn-secondary:hover:not(:disabled) {
    background: var(--gray-200);
}

.btn-outline {
    background: transparent;
    color: var(--electric-blue);
    border: 2px solid var(--electric-blue);
}

.btn-outline:hover:not(:disabled) {
    background: var(--electric-blue);
    color: #fff;
}

.btn-ghost {
    background: transparent;
    color: var(--gray-600);
}

.btn-ghost:hover:not(:disabled) {
    background: var(--gray-100);
    color: var(--gray-900);
}

.btn-danger {
    background: var(--error);
    color: #fff;
}

.btn-danger:hover:not(:disabled) {
    background: var(--crimson-dark);
}

.btn-lg {
    padding: var(--space-4) var(--space-8);
    font-size: var(--text-lg);
}

.btn-sm {
    padding: var(--space-2) var(--space-4);
    font-size: var(--text-sm);
}

.btn-icon {
    padding: var(--space-3);
    aspect-ratio: 1;
}

/* ========================================
   Cards
   ======================================== */

.card {
    background: #fff;
    border-radius: var(--radius-xl);
    border: 1px solid var(--gray-200);
    padding: var(--space-6);
    transition: all var(--transition-base);
}

.card-hover:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
    border-color: var(--electric-blue-100);
}

.card-featured {
    border-color: var(--electric-blue);
    box-shadow: var(--shadow-lg);
    position: relative;
    margin-top: var(--space-6);
}

.card-featured::before {
    content: 'Most Popular';
    position: absolute;
    top: -14px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--electric-blue);
    color: #fff;
    padding: var(--space-2) var(--space-5);
    border-radius: var(--radius-full);
    font-size: var(--text-xs);
    font-weight: 600;
    white-space: nowrap;
    text-align: center;
    line-height: 1;
}

/* ========================================
   Forms
   ======================================== */

.form-group {
    margin-bottom: var(--space-5);
}

.form-label {
    display: block;
    margin-bottom: var(--space-2);
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--gray-700);
}

.form-input,
.form-textarea,
.form-select {
    width: 100%;
    padding: var(--space-3) var(--space-4);
    font-size: var(--text-base);
    border: 1px solid var(--gray-300);
    border-radius: var(--radius-lg);
    background: #fff;
    transition: all var(--transition-fast);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
    outline: none;
    border-color: var(--electric-blue);
    box-shadow: 0 0 0 3px var(--electric-blue-50);
}

.form-input::placeholder,
.form-textarea::placeholder {
    color: var(--gray-400);
}

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

.form-error {
    color: var(--error);
    font-size: var(--text-sm);
    margin-top: var(--space-1);
}

.form-hint {
    color: var(--gray-500);
    font-size: var(--text-sm);
    margin-top: var(--space-1);
}

/* ========================================
   Navigation
   ======================================== */

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--gray-100);
    transition: all var(--transition-base);
}

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

.navbar-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
    padding: 0 var(--space-6);
    max-width: var(--container-xl);
    margin: 0 auto;
}

.navbar-logo {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-family: var(--font-display);
    font-size: var(--text-xl);
    font-weight: 700;
    color: var(--gray-900);
}

.navbar-logo-img {
    width: 40px;
    height: auto;
    object-fit: contain;
}

.navbar-logo-text {
    display: flex;
}

.navbar-logo-ever {
    color: var(--electric-blue);
}

.navbar-logo-safe {
    color: var(--success);
}

.navbar-nav {
    display: flex;
    align-items: center;
    gap: var(--space-1);
}

.navbar-link {
    padding: var(--space-2) var(--space-4);
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--gray-600);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.navbar-link:hover,
.navbar-link.active {
    color: var(--electric-blue);
    background: var(--electric-blue-50);
}

.navbar-actions {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.navbar-mobile-toggle {
    display: none;
    padding: var(--space-2);
    background: none;
    border: none;
    cursor: pointer;
}

@media (max-width: 1024px) {
    .navbar-nav {
        display: none;
    }

    .navbar-mobile-toggle {
        display: block;
    }
}

/* ========================================
   Footer
   ======================================== */

.footer {
    background: var(--gray-900);
    color: var(--gray-300);
    padding: var(--space-16) 0 var(--space-8);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr repeat(3, 1fr);
    gap: var(--space-12);
    margin-bottom: var(--space-12);
}

@media (max-width: 1024px) {
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 640px) {
    .footer-grid {
        grid-template-columns: 1fr;
    }
}

.footer-brand {
    max-width: 300px;
}

.footer-brand p {
    margin-top: var(--space-4);
    font-size: var(--text-sm);
    line-height: 1.7;
}

.footer-column h4 {
    color: #fff;
    font-size: var(--text-sm);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--space-4);
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.footer-link {
    font-size: var(--text-sm);
    color: var(--gray-400);
    transition: color var(--transition-fast);
}

.footer-link:hover {
    color: #fff;
}

.footer-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: var(--space-8);
    border-top: 1px solid var(--gray-800);
    font-size: var(--text-sm);
}

.footer-social {
    display: flex;
    gap: var(--space-4);
}

.footer-social a {
    color: var(--gray-400);
    transition: color var(--transition-fast);
}

.footer-social a:hover {
    color: #fff;
}

@media (max-width: 640px) {
    .footer-bottom {
        flex-direction: column;
        gap: var(--space-4);
        text-align: center;
    }
}

/* ========================================
   Hero Section
   ======================================== */

.hero {
    padding-top: 72px;
    background: linear-gradient(180deg, var(--gray-50) 0%, #fff 100%);
    overflow: hidden;
}

.hero .container {
    padding-top: var(--space-10);
    padding-bottom: var(--space-12);
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-4);
    background: var(--electric-blue-50);
    color: var(--electric-blue);
    border-radius: var(--radius-full);
    font-size: var(--text-sm);
    font-weight: 500;
    margin-bottom: var(--space-8);
}

/* Two-column hero grid */
.hero-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-12);
    align-items: center;
    margin-bottom: var(--space-10);
}

/* Left column - text content */
.hero-text {
    max-width: 560px;
}

.hero-brand {
    font-family: var(--font-display);
    font-size: 4.5rem;
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -0.03em;
    margin-bottom: var(--space-2);
}

.hero-brand-ever {
    color: var(--electric-blue);
}

.hero-brand-safe {
    color: var(--success);
}

.hero-tagline {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 500;
    color: var(--gray-500);
    margin-bottom: var(--space-6);
}

.hero-subtitle {
    font-size: var(--text-lg);
    color: var(--gray-600);
    margin-bottom: var(--space-8);
    line-height: 1.7;
}

.hero-actions {
    display: flex;
    align-items: center;
    gap: var(--space-4);
}

/* Right column - logo image */
.hero-logo {
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-logo-img {
    width: 100%;
    max-width: 400px;
    height: auto;
}

/* Trust badges below the grid */
.hero-trust {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-8);
    font-size: var(--text-sm);
    color: var(--gray-500);
    padding-top: var(--space-8);
    border-top: 1px solid var(--gray-200);
}

.hero-trust-item {
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.hero-trust-item svg {
    width: 20px;
    height: 20px;
    color: var(--success);
}

/* Tablet responsive */
@media (max-width: 1024px) {
    .hero-brand {
        font-size: 3.5rem;
    }

    .hero-tagline {
        font-size: 1.75rem;
    }

    .hero-logo-img {
        max-width: 320px;
    }
}

/* Mobile responsive */
@media (max-width: 768px) {
    .hero .container {
        padding-top: var(--space-8);
        padding-bottom: var(--space-8);
    }

    .hero-grid {
        grid-template-columns: 1fr;
        gap: var(--space-8);
        text-align: center;
    }

    .hero-text {
        max-width: 100%;
        order: 1;
    }

    .hero-logo {
        order: 0;
    }

    .hero-logo-img {
        max-width: 240px;
    }

    .hero-brand {
        font-size: 3rem;
    }

    .hero-tagline {
        font-size: 1.5rem;
    }

    .hero-actions {
        justify-content: center;
    }
}

@media (max-width: 640px) {
    .hero-brand {
        font-size: 2.5rem;
    }

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

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

    .hero-actions .btn {
        width: 100%;
    }

    .hero-trust {
        flex-direction: column;
        gap: var(--space-3);
    }

    .hero-logo-img {
        max-width: 180px;
    }
}

/* ========================================
   Feature Cards
   ======================================== */

.feature-card {
    padding: var(--space-8);
    text-align: center;
}

.feature-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--space-5);
    background: var(--electric-blue-50);
    color: var(--electric-blue);
    border-radius: var(--radius-xl);
}

.feature-icon svg {
    width: 28px;
    height: 28px;
}

.feature-card h3 {
    font-size: var(--text-xl);
    margin-bottom: var(--space-3);
}

.feature-card p {
    color: var(--gray-600);
    font-size: var(--text-sm);
    line-height: 1.7;
}

/* ========================================
   Pricing Cards
   ======================================== */

.pricing-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-4);
    margin-bottom: var(--space-10);
}

.pricing-toggle-label {
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--gray-500);
}

.pricing-toggle-label.active {
    color: var(--gray-900);
}

.pricing-switch {
    width: 56px;
    height: 28px;
    background: var(--gray-200);
    border-radius: var(--radius-full);
    position: relative;
    cursor: pointer;
    transition: background var(--transition-fast);
}

.pricing-switch.active {
    background: var(--electric-blue);
}

.pricing-switch::after {
    content: '';
    position: absolute;
    width: 22px;
    height: 22px;
    background: #fff;
    border-radius: 50%;
    top: 3px;
    left: 3px;
    transition: transform var(--transition-fast);
    box-shadow: var(--shadow-sm);
}

.pricing-switch.active::after {
    transform: translateX(28px);
}

.pricing-save {
    background: var(--success-light);
    color: var(--success);
    padding: var(--space-1) var(--space-3);
    border-radius: var(--radius-full);
    font-size: var(--text-xs);
    font-weight: 600;
}

.pricing-card {
    padding: var(--space-8);
    display: flex;
    flex-direction: column;
    height: 100%;
}

.pricing-card-header {
    text-align: center;
    padding-bottom: var(--space-6);
    border-bottom: 1px solid var(--gray-200);
    margin-bottom: var(--space-6);
}

.pricing-card-name {
    font-size: var(--text-lg);
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: var(--space-2);
}

.pricing-card-storage {
    font-size: var(--text-sm);
    color: var(--gray-500);
    margin-bottom: var(--space-4);
}

.pricing-card-price {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: var(--space-1);
}

.pricing-currency {
    font-size: var(--text-xl);
    font-weight: 600;
    color: var(--gray-900);
}

.pricing-amount {
    font-size: var(--text-4xl);
    font-weight: 700;
    color: var(--gray-900);
}

.pricing-period {
    font-size: var(--text-sm);
    color: var(--gray-500);
}

.pricing-card-features {
    flex: 1;
    margin-bottom: var(--space-6);
}

.pricing-feature {
    display: flex;
    align-items: flex-start;
    gap: var(--space-3);
    padding: var(--space-2) 0;
    font-size: var(--text-sm);
    color: var(--gray-600);
}

.pricing-feature svg {
    width: 20px;
    height: 20px;
    color: var(--success);
    flex-shrink: 0;
    margin-top: 1px;
}

.pricing-card .btn {
    width: 100%;
}

/* ========================================
   Testimonials
   ======================================== */

.testimonial-card {
    padding: var(--space-8);
}

.testimonial-content {
    font-size: var(--text-lg);
    color: var(--gray-700);
    line-height: 1.7;
    margin-bottom: var(--space-6);
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: var(--space-4);
}

.testimonial-avatar {
    width: 48px;
    height: 48px;
    background: var(--gray-200);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    color: var(--gray-600);
}

.testimonial-name {
    font-weight: 600;
    color: var(--gray-900);
}

.testimonial-role {
    font-size: var(--text-sm);
    color: var(--gray-500);
}

/* ========================================
   FAQ
   ======================================== */

.faq-item {
    border-bottom: 1px solid var(--gray-200);
}

.faq-question {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    padding: var(--space-5) 0;
    background: none;
    border: none;
    cursor: pointer;
    text-align: left;
    font-size: var(--text-base);
    font-weight: 500;
    color: var(--gray-900);
}

.faq-question svg {
    width: 24px;
    height: 24px;
    color: var(--gray-400);
    transition: transform var(--transition-base);
}

.faq-item.open .faq-question svg {
    transform: rotate(180deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-slow);
}

.faq-item.open .faq-answer {
    max-height: 500px;
}

.faq-answer-content {
    padding-bottom: var(--space-5);
    color: var(--gray-600);
    line-height: 1.7;
}

/* ========================================
   Cookie Consent
   ======================================== */

.cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: var(--gray-900);
    color: #fff;
    padding: var(--space-4) var(--space-6);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-6);
    transform: translateY(100%);
    transition: transform var(--transition-slow);
}

.cookie-banner.visible {
    transform: translateY(0);
}

.cookie-banner p {
    font-size: var(--text-sm);
    flex: 1;
}

.cookie-banner p a {
    color: var(--electric-blue-light);
    text-decoration: underline;
}

.cookie-banner-actions {
    display: flex;
    gap: var(--space-3);
    flex-shrink: 0;
}

@media (max-width: 768px) {
    .cookie-banner {
        flex-direction: column;
        text-align: center;
    }
}

/* ========================================
   Page-specific styles
   ======================================== */

/* Contact page */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-12);
}

@media (max-width: 768px) {
    .contact-grid {
        grid-template-columns: 1fr;
    }
}

.contact-info-card {
    display: flex;
    gap: var(--space-4);
    padding: var(--space-5);
    background: var(--gray-50);
    border-radius: var(--radius-lg);
}

.contact-info-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--electric-blue-50);
    color: var(--electric-blue);
    border-radius: var(--radius-md);
    flex-shrink: 0;
}

/* Download page */
.download-hero {
    text-align: center;
    padding: calc(72px + var(--space-16)) 0 var(--space-16);
}

.download-box {
    max-width: 500px;
    margin: 0 auto var(--space-12);
    padding: var(--space-8);
    background: var(--gray-50);
    border-radius: var(--radius-2xl);
    text-align: center;
}

.download-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--space-6);
    background: var(--electric-blue);
    color: #fff;
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
}

.download-icon svg {
    width: 40px;
    height: 40px;
}

.system-requirements {
    text-align: left;
}

.system-requirements h4 {
    margin-bottom: var(--space-4);
}

.system-requirements li {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-2) 0;
    color: var(--gray-600);
    font-size: var(--text-sm);
}

.system-requirements li svg {
    width: 18px;
    height: 18px;
    color: var(--success);
}

/* Portal Sidebar */
.portal-layout {
    display: flex;
    min-height: 100vh;
    padding-top: 72px;
}

.portal-sidebar {
    width: 260px;
    background: var(--gray-50);
    border-right: 1px solid var(--gray-200);
    padding: var(--space-6);
    flex-shrink: 0;
}

.portal-nav {
    display: flex;
    flex-direction: column;
    gap: var(--space-1);
}

.portal-nav-item {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-3) var(--space-4);
    border-radius: var(--radius-lg);
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--gray-600);
    transition: all var(--transition-fast);
}

.portal-nav-item:hover,
.portal-nav-item.active {
    background: var(--electric-blue-50);
    color: var(--electric-blue);
}

.portal-nav-item svg {
    width: 20px;
    height: 20px;
}

.portal-content {
    flex: 1;
    padding: var(--space-8);
    max-width: 1000px;
}

@media (max-width: 768px) {
    .portal-layout {
        flex-direction: column;
    }

    .portal-sidebar {
        width: 100%;
        border-right: none;
        border-bottom: 1px solid var(--gray-200);
    }

    .portal-nav {
        flex-direction: row;
        overflow-x: auto;
        gap: var(--space-2);
    }
}

/* ========================================
   404 Page
   ======================================== */

.not-found {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 60vh;
    text-align: center;
    padding: var(--space-8);
}

.not-found h1 {
    font-size: 8rem;
    font-weight: 800;
    color: var(--gray-200);
    line-height: 1;
}

.not-found p {
    font-size: var(--text-xl);
    color: var(--gray-500);
    margin: var(--space-4) 0 var(--space-8);
}

/* ========================================
   Utility Classes
   ======================================== */

.mb-0 { margin-bottom: 0; }
.mb-2 { margin-bottom: var(--space-2); }
.mb-4 { margin-bottom: var(--space-4); }
.mb-6 { margin-bottom: var(--space-6); }
.mb-8 { margin-bottom: var(--space-8); }
.mb-12 { margin-bottom: var(--space-12); }
.mb-16 { margin-bottom: var(--space-16); }

.mt-0 { margin-top: 0; }
.mt-2 { margin-top: var(--space-2); }
.mt-4 { margin-top: var(--space-4); }
.mt-6 { margin-top: var(--space-6); }
.mt-8 { margin-top: var(--space-8); }

.mx-auto { margin-left: auto; margin-right: auto; }

.w-full { width: 100%; }
.max-w-lg { max-width: 32rem; }
.max-w-xl { max-width: 36rem; }
.max-w-2xl { max-width: 42rem; }
.max-w-3xl { max-width: 48rem; }

.hidden { display: none; }

@media (max-width: 768px) {
    .md\:hidden { display: none; }
}

/* ========================================
   Animations
   ======================================== */

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

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

.animate-fadeIn {
    animation: fadeIn 0.5s ease forwards;
}

.animate-slideUp {
    animation: slideUp 0.5s ease forwards;
}

/* Staggered animations */
.animate-stagger > * {
    opacity: 0;
    animation: slideUp 0.5s ease forwards;
}

.animate-stagger > *:nth-child(1) { animation-delay: 0.1s; }
.animate-stagger > *:nth-child(2) { animation-delay: 0.2s; }
.animate-stagger > *:nth-child(3) { animation-delay: 0.3s; }
.animate-stagger > *:nth-child(4) { animation-delay: 0.4s; }
.animate-stagger > *:nth-child(5) { animation-delay: 0.5s; }

/* ========================================
   Blazor-specific
   ======================================== */

#blazor-error-ui {
    background: var(--error);
    color: #fff;
    padding: var(--space-4);
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 9999;
    display: none;
    text-align: center;
}

#blazor-error-ui .dismiss {
    cursor: pointer;
    margin-left: var(--space-4);
}

.blazor-error-boundary {
    background: var(--error-light);
    border: 1px solid var(--error);
    padding: var(--space-6);
    border-radius: var(--radius-lg);
    text-align: center;
}

.blazor-error-boundary::after {
    content: "An error has occurred. Please refresh the page.";
}

.valid.modified:not([type=checkbox]) {
    outline: 1px solid var(--success);
}

.invalid {
    outline: 1px solid var(--error);
}

.validation-message {
    color: var(--error);
    font-size: var(--text-sm);
    margin-top: var(--space-1);
}