style.css

@charset "UTF-8";
/**
 * encryptor.app - STYLESHEET
 * Version 2.2.0 | AES-256-GCM | Zero-Knowledge
 * 
 * Built by: George A. Rauscher
 * Company: intelligent piXel GmbH, Starnberg, Germany
 * GitHub: https://github.com/georgerauscher/encryptor-app
 * License: MIT
 * 
 * Design: Slate-Gray Glassmorphism (Hetzner Console inspired)
 */

/* Colors: Slate palette | Typography: System fonts | Responsive: 768px/480px */

:root {
    /* Slate Color Palette (Hetzner/IPMahnwesen Style) */
    --slate-950: #020617;
    --slate-900: #0f172a;
    --slate-800: #1e293b;
    --slate-700: #334155;
    --slate-600: #475569;
    --slate-500: #64748b;
    --slate-400: #94a3b8;
    --slate-300: #cbd5e1;
    --slate-200: #e2e8f0;
    --slate-100: #f1f5f9;
    
    /* Accent Colors */
    --blue-500: #3b82f6;
    --blue-600: #2563eb;
    --blue-700: #1d4ed8;
    --green-500: #10b981;
    --green-600: #059669;
    --red-500: #ef4444;
    --red-600: #dc2626;
    --amber-500: #f59e0b;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 0.75rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.5);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.6);
    
    /* Glassmorphism */
    --glass-bg: rgba(30, 41, 59, 0.6);
    --glass-border: rgba(148, 163, 184, 0.1);
    --glass-blur: blur(16px);
}

/* ========================================
   GLOBAL RESET & BASE
   ======================================== */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Inter', 'Roboto', sans-serif;
    background: var(--slate-950);
    color: var(--slate-200);
    font-size: 16px;
    line-height: 1.6;
    min-height: 100vh;
    position: relative;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Animated Grain Overlay */
.grain-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    opacity: 0.03;
    /* REMOVED DATA-URI FOR SAFARI COMPATIBILITY */
    background: transparent;
    z-index: 9999;
    animation: grain 8s steps(10) infinite;
}

@keyframes grain {
    0%, 100% { transform: translate(0, 0); }
    10% { transform: translate(-5%, -10%); }
    20% { transform: translate(-15%, 5%); }
    30% { transform: translate(7%, -25%); }
    40% { transform: translate(-5%, 25%); }
    50% { transform: translate(-15%, 10%); }
    60% { transform: translate(15%, 0%); }
    70% { transform: translate(0%, 15%); }
    80% { transform: translate(3%, 35%); }
    90% { transform: translate(-10%, 10%); }
}

/* ========================================
   NAVIGATION
   ======================================== */

.nav {
    background: var(--glass-bg);
    -webkit-backdrop-filter: var(--glass-blur);
    backdrop-filter: var(--glass-blur);
    border-bottom: 1px solid var(--glass-border);
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--shadow-md);
}

.nav-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--spacing-md) var(--spacing-xl);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--slate-100);
}

.nav-icon {
    width: 24px;
    height: 24px;
    color: var(--blue-500);
}

.nav-brand {
    color: var(--slate-100);
}

.nav-links {
    display: flex;
    gap: var(--spacing-lg);
    align-items: center;
}

.nav-link {
    color: var(--slate-300);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s ease;
    position: relative;
}

.nav-link:hover {
    color: var(--slate-100);
}

.nav-link.active {
    color: var(--blue-500);
}

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--blue-500);
    border-radius: 2px;
}

/* ========================================
   CONTAINER & LAYOUT
   ======================================== */

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--spacing-2xl) 0;
}

main {
    min-height: calc(100vh - 200px);
}

/* ========================================
   HERO SECTION
   ======================================== */

.hero {
    text-align: center;
    padding: var(--spacing-2xl) 0;
    margin-bottom: var(--spacing-2xl);
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    background: var(--glass-bg);
    -webkit-backdrop-filter: var(--glass-blur);
    backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: 9999px;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--slate-300);
    margin-bottom: var(--spacing-lg);
    box-shadow: var(--shadow-sm);
}

.badge-icon {
    width: 16px;
    height: 16px;
    color: var(--blue-500);
}

.hero-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 800;
    line-height: 1.1;
    color: var(--slate-100);
    margin-bottom: var(--spacing-lg);
    letter-spacing: -0.02em;
}

.hero-gradient {
    /* Fallback for Safari and older browsers */
    color: var(--blue-500);
    
    /* Gradient Text Effect */
    background: linear-gradient(135deg, var(--blue-500) 0%, var(--blue-600) 100%);
    -webkit-background-clip: text;
    -moz-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    
    /* Safari Fix: Must be inline-block */
    display: inline-block;
    
    /* Smooth rendering */
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.hero-description {
    font-size: 1.25rem;
    color: var(--slate-400);
    margin-bottom: var(--spacing-2xl);
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.8;
}

/* ========================================
   BUTTONS
   ======================================== */

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

.cta-buttons .btn {
    width: 240px;
    flex: 0 0 240px;
    justify-content: center;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: 1.125rem;
    font-weight: 600;
    text-decoration: none;
    border-radius: var(--radius-lg);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
    border: none;
    position: relative;
    overflow: hidden;
}

.btn-icon {
    width: 20px;
    height: 20px;
    transition: transform 0.3s ease;
}

.btn-arrow {
    width: 20px;
    height: 20px;
    transition: transform 0.3s ease;
}

.btn-primary {
    background: linear-gradient(135deg, var(--blue-600) 0%, var(--blue-700) 100%);
    color: white;
    box-shadow: 0 0 0 0 rgba(59, 130, 246, 0.5);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px -5px rgba(59, 130, 246, 0.4);
}

.btn-primary:hover .btn-arrow {
    transform: translateX(4px);
}

.btn-secondary {
    background: var(--glass-bg);
    -webkit-backdrop-filter: var(--glass-blur);
    backdrop-filter: var(--glass-blur);
    color: var(--slate-200);
    border: 1px solid var(--glass-border);
}

.btn-secondary:hover {
    background: var(--slate-700);
    border-color: var(--slate-600);
    transform: translateY(-2px);
}

.btn-danger {
    background: linear-gradient(135deg, var(--red-500) 0%, var(--red-600) 100%);
    color: white;
}

.btn-danger:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px -5px rgba(239, 68, 68, 0.4);
}

.btn-success {
    background: linear-gradient(135deg, var(--green-500) 0%, var(--green-600) 100%);
    color: white;
}

.btn-success:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px -5px rgba(16, 185, 129, 0.4);
}

.btn:active {
    transform: translateY(0);
}

/* ========================================
   FEATURES GRID
   ======================================== */

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

.feature-card {
    background: var(--glass-bg);
    -webkit-backdrop-filter: var(--glass-blur);
    backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    transition: all 0.3s ease;
    box-shadow: var(--shadow-md);
}

.feature-card:hover {
    transform: translateY(-4px);
    border-color: var(--blue-500);
    box-shadow: var(--shadow-lg);
}

.feature-icon {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--blue-600) 0%, var(--blue-700) 100%);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-md);
}

.feature-icon .icon {
    width: 24px;
    height: 24px;
    color: white;
}

.feature-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--slate-100);
    margin-bottom: var(--spacing-sm);
}

.feature-text {
    color: var(--slate-400);
    line-height: 1.7;
}

/* ========================================
   INFO SECTION
   ======================================== */

.info-section {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-2xl);
}

.info-card {
    background: var(--glass-bg);
    -webkit-backdrop-filter: var(--glass-blur);
    backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-md);
}

.info-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid var(--glass-border);
}

.info-icon {
    width: 28px;
    height: 28px;
    color: var(--blue-500);
}

.info-header h2 {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--slate-100);
}

.info-content p {
    color: var(--slate-300);
    margin-bottom: var(--spacing-md);
    line-height: 1.8;
}

.info-content p:last-child {
    margin-bottom: 0;
}

.info-highlight {
    background: var(--slate-800);
    border-left: 3px solid var(--blue-500);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    color: var(--slate-200);
    font-weight: 500;
}

.text-link {
    color: var(--blue-500);
    text-decoration: none;
    transition: color 0.2s ease;
}

.text-link:hover {
    color: var(--blue-400);
    text-decoration: underline;
}

/* ========================================
   STEPS
   ======================================== */

.step {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.step:last-child {
    margin-bottom: 0;
}

.step-number {
    flex-shrink: 0;
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--blue-600) 0%, var(--blue-700) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.125rem;
    color: white;
}

.step-content h4 {
    font-size: 1.125rem;
    color: var(--slate-100);
    margin-bottom: var(--spacing-xs);
}

.step-content p {
    color: var(--slate-400);
    line-height: 1.6;
}

/* ========================================
   AUTHOR SECTION
   ======================================== */

.author-section {
    margin-bottom: var(--spacing-2xl);
}

.author-card {
    background: var(--glass-bg);
    -webkit-backdrop-filter: var(--glass-blur);
    backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-xl);
    padding: var(--spacing-2xl);
    box-shadow: var(--shadow-md);
}

.author-content h3 {
    font-size: 1.5rem;
    color: var(--slate-100);
    margin-bottom: var(--spacing-md);
}

.author-content p {
    color: var(--slate-300);
    margin-bottom: var(--spacing-md);
    line-height: 1.8;
}

.author-link {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--blue-500);
    text-decoration: none;
    font-weight: 600;
    transition: all 0.2s ease;
}

.author-link:hover {
    color: var(--blue-400);
    gap: var(--spacing-sm);
}

.link-icon {
    width: 18px;
    height: 18px;
}

/* ========================================
   FOOTER
   ======================================== */

.footer {
    background: var(--slate-900);
    border-top: 1px solid var(--glass-border);
    padding: var(--spacing-xl) 0;
    margin-top: auto;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-xl);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.footer-text {
    color: var(--slate-400);
    font-size: 0.875rem;
    line-height: 1.6;
}

.footer-section {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.footer-link {
    color: var(--slate-400);
    text-decoration: none;
    font-size: 0.875rem;
    transition: color 0.2s ease;
}

.footer-link:hover {
    color: var(--slate-200);
}

.footer-separator {
    color: var(--slate-600);
}

/* ========================================
   FORM ELEMENTS (for encrypt/decrypt pages)
   ======================================== */

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

.form-card {
    background: var(--glass-bg);
    -webkit-backdrop-filter: var(--glass-blur);
    backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-xl);
    padding: var(--spacing-2xl);
    box-shadow: var(--shadow-lg);
}

.form-header {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

.form-header h1 {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--slate-100);
    margin-bottom: var(--spacing-sm);
}

.form-header p {
    color: var(--slate-400);
    font-size: 1.125rem;
}

.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-label {
    display: block;
    font-weight: 600;
    color: var(--slate-200);
    margin-bottom: var(--spacing-sm);
    font-size: 1rem;
}

.form-input,
.form-textarea {
    width: 100%;
    background: var(--slate-800);
    border: 1px solid var(--slate-700);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    color: var(--slate-100);
    font-size: 1rem;
    font-family: inherit;
    transition: all 0.2s ease;
    resize: vertical;
}

.form-input:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--blue-500);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.form-input.error,
.form-textarea.error {
    border-color: var(--red-500);
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1);
}

.form-textarea {
    min-height: 150px;
    font-family: inherit; /* Use same font as rest of the form */
}

.error-message {
    display: block;
    color: var(--red-500);
    font-size: 0.875rem;
    margin-top: var(--spacing-xs);
    min-height: 1.25rem;
    opacity: 0;
    transform: translateY(-4px);
    transition: opacity 0.2s ease, transform 0.2s ease;
}

.error-message.active {
    opacity: 1;
    transform: translateY(0);
}

.password-group {
    position: relative;
}

.password-toggle {
    position: absolute;
    right: var(--spacing-md);
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--slate-400);
    cursor: pointer;
    padding: var(--spacing-xs);
    display: flex;
    align-items: center;
    transition: color 0.2s ease;
}

.password-toggle svg {
    color: var(--slate-400);
}

.password-toggle:hover {
    color: var(--slate-200);
}

.password-toggle:hover svg {
    color: var(--slate-200);
}

.password-toggle-icon {
    width: 20px;
    height: 20px;
    color: var(--slate-400);
}

.form-actions {
    display: flex;
    gap: var(--spacing-md);
    margin-top: var(--spacing-xl);
}

.form-actions .btn {
    flex: 1;
    justify-content: center;
}

/* Result Display */
.result-card {
    background: var(--slate-800);
    border: 1px solid var(--slate-700);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    margin-top: var(--spacing-lg);
}

.result-label {
    font-weight: 600;
    color: var(--slate-300);
    margin-bottom: var(--spacing-sm);
    display: block;
}

.result-output {
    background: var(--slate-900);
    border: 1px solid var(--slate-700);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    color: var(--slate-100);
    font-family: 'Courier New', monospace;
    font-size: 0.875rem;
    word-break: break-all;
    white-space: pre-wrap;
    max-height: 300px;
    overflow-y: auto;
}

/* Alerts */
.alert {
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-lg);
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
}

.alert-icon {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
}

.alert-success {
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid rgba(16, 185, 129, 0.3);
    color: var(--green-500);
}

.alert-error {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.3);
    color: var(--red-500);
}

.alert-warning {
    background: rgba(245, 158, 11, 0.1);
    border: 1px solid rgba(245, 158, 11, 0.3);
    color: var(--amber-500);
}

/* Password Strength Meter */
.password-strength {
    margin-top: var(--spacing-sm);
}

.strength-label {
    font-size: 0.875rem;
    color: var(--slate-400);
    margin-bottom: var(--spacing-xs);
}

.strength-bar {
    height: 4px;
    background: var(--slate-700);
    border-radius: 2px;
    overflow: hidden;
}

.strength-fill {
    height: 100%;
    transition: width 0.3s ease, background-color 0.3s ease;
    border-radius: 2px;
}

.strength-weak { background: var(--red-500); }
.strength-medium { background: var(--amber-500); }
.strength-strong { background: var(--green-500); }

/* ========================================
   RESPONSIVE
   ======================================== */

@media (max-width: 768px) {
    .nav-content {
        flex-direction: column;
        gap: var(--spacing-md);
        padding: var(--spacing-sm) var(--spacing-md);
    }
    
    .nav-links {
        width: 100%;
        justify-content: center;
        flex-wrap: wrap;
        gap: var(--spacing-sm);
    }
    
    .nav-link {
        font-size: 0.875rem;
    }
    
    .hero {
        padding: var(--spacing-xl) 0;
        margin-bottom: var(--spacing-xl);
    }
    
    .hero-title {
        font-size: 2rem;
        line-height: 1.2;
    }
    
    .hero-description {
        font-size: 1rem;
        padding: 0 var(--spacing-sm);
    }
    
    .hero-badge {
        font-size: 0.75rem;
        padding: var(--spacing-xs) var(--spacing-sm);
    }
    
    .cta-buttons {
        flex-direction: column;
        width: 100%;
        padding: 0 var(--spacing-sm);
        gap: var(--spacing-sm);
    }
    
    .cta-buttons .btn {
        width: 100%;
        justify-content: center;
        padding: 0.5rem 1rem !important;
        font-size: 0.875rem !important;
        min-height: auto !important;
        line-height: 1.3 !important;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .footer-content {
        flex-direction: column;
        text-align: center;
        gap: var(--spacing-md);
    }
    
    .footer-section {
        justify-content: center;
    }
    
    .form-actions {
        flex-direction: column;
    }
    
    .form-actions .btn {
        width: 100%;
    }
    
    .container {
        padding: var(--spacing-lg) var(--spacing-md);
    }
    
    .info-card {
        padding: var(--spacing-md);
    }
    
    .feature-card {
        padding: var(--spacing-md);
    }
    
    .form-card {
        padding: var(--spacing-lg);
    }
    
    /* Code blocks scrollable on mobile */
    pre, code {
        overflow-x: auto;
        max-width: 100%;
        word-break: break-all;
        overflow-wrap: break-word;
    }
    
    /* Break long numbers on mobile */
    .info-card p,
    .info-card li,
    .info-card ul,
    .info-card ol {
        word-break: break-word;
        overflow-wrap: break-word;
        hyphens: auto;
    }
    
    /* Tables responsive */
    table {
        display: block;
        overflow-x: auto;
        white-space: nowrap;
    }
    
    /* Step numbers smaller on mobile */
    .step {
        flex-direction: row;
        gap: var(--spacing-sm);
    }
    
    .step-number {
        width: 32px;
        height: 32px;
        font-size: 1rem;
    }
    
    .step-content h4 {
        font-size: 1rem;
    }
    
    .step-content p {
        font-size: 0.875rem;
    }
    
    /* Info headers smaller */
    .info-header h2 {
        font-size: 1.5rem;
    }
    
    .info-header h3 {
        font-size: 1.25rem;
    }
    
    /* Feature titles smaller */
    .feature-title {
        font-size: 1.125rem;
    }
    
    .feature-text {
        font-size: 0.875rem;
    }
}

/* iPhone specific fixes */
@media (max-width: 480px) {
    body {
        font-size: 14px;
    }
    
    .hero-title {
        font-size: 1.75rem;
    }
    
    .hero-description {
        font-size: 0.875rem;
    }
    
    .btn {
        padding: 0.5rem 1rem;
        font-size: 0.875rem;
        line-height: 1.3;
    }
    
    .cta-buttons .btn {
        padding: 0.5rem 1rem !important;
        font-size: 0.875rem !important;
        min-height: auto !important;
        line-height: 1.3 !important;
    }
    
    .nav-logo span {
        font-size: 1rem;
    }
    
    .container {
        padding: var(--spacing-md) var(--spacing-sm);
    }
    
    /* Smaller form inputs on iPhone */
    .form-input,
    .form-textarea {
        font-size: 16px; /* Prevents zoom on iPhone */
        padding: var(--spacing-sm);
    }
    
    /* Math code blocks */
    .info-content div[style*="font-family: 'Courier"] {
        font-size: 0.75rem;
        padding: var(--spacing-sm);
    }
    
    /* 🐛 FIX: Break long numbers/text on tiny screens */
    .info-card * {
        word-break: break-word !important;
        overflow-wrap: break-word !important;
    }
    
    /* Force code blocks to wrap */
    code, pre {
        white-space: pre-wrap !important;
        word-break: break-all !important;
    }
    
    /* Lists with long numbers */
    ul, ol {
        padding-left: var(--spacing-md);
    }
}

/* Landscape mobile */
@media (max-width: 896px) and (orientation: landscape) {
    .hero {
        padding: var(--spacing-md) 0;
    }
    
    .hero-title {
        font-size: 1.5rem;
    }
    
    .nav {
        position: relative;
    }
}

/* Touch optimizations */
@media (hover: none) and (pointer: coarse) {
    /* Larger touch targets on mobile */
    .btn {
        min-height: auto;
        padding: 0.5rem 1rem;
        font-size: 0.875rem;
        line-height: 1.3;
    }
    
    .cta-buttons .btn {
        padding: 0.5rem 1rem !important;
        font-size: 0.875rem !important;
        min-height: auto !important;
        line-height: 1.3 !important;
    }
    
    .nav-link {
        padding: var(--spacing-sm);
        min-height: 44px;
        display: flex;
        align-items: center;
    }
    
    /* Remove hover effects on touch devices */
    .btn:hover,
    .nav-link:hover,
    .feature-card:hover {
        transform: none;
    }
    
    /* Add active/tap states instead */
    .btn:active {
        transform: scale(0.98);
        opacity: 0.9;
    }
    
    .nav-link:active {
        opacity: 0.7;
    }
}

/* Disable animations on low-power mode */
@media (prefers-reduced-motion: reduce) {
    * {
        animation: none !important;
        transition: none !important;
    }
    
    .grain-overlay {
        animation: none;
    }
}

/* ========================================
   UTILITY CLASSES
   ======================================== */

.hidden {
    display: none !important;
}

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

.mt-lg {
    margin-top: var(--spacing-lg);
}

.mb-lg {
    margin-bottom: var(--spacing-lg);
}

/* ========================================
   FILE ENCRYPTION STYLES (v2.2.0)
   ======================================== */

/* Drop Zone */
.drop-zone {
    position: relative;
    border: 2px dashed var(--slate-600);
    border-radius: var(--radius-lg);
    padding: var(--spacing-2xl);
    text-align: center;
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    transition: all 0.3s ease;
    cursor: pointer;
    min-height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.drop-zone:hover {
    border-color: var(--blue-500);
    background: rgba(59, 130, 246, 0.05);
}

.drop-zone.drag-over {
    border-color: var(--blue-400);
    background: rgba(59, 130, 246, 0.1);
    transform: scale(1.02);
}

.drop-zone-content {
    pointer-events: none;
}

.file-input {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    cursor: pointer;
}

/* File Info Card */
.file-info {
    margin-top: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--slate-800);
    border: 1px solid var(--slate-700);
    border-radius: var(--radius-md);
}

.file-info-content {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.file-info-icon {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--slate-700);
    border-radius: var(--radius-md);
    color: var(--blue-400);
}

.file-info-details {
    flex: 1;
    min-width: 0;
}

.file-info-name {
    font-weight: 500;
    color: var(--slate-100);
    font-size: 1rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.file-info-meta {
    font-size: 0.875rem;
    color: var(--slate-400);
    margin-top: 0.25rem;
}

.file-info-remove {
    flex-shrink: 0;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: 1px solid var(--slate-600);
    border-radius: var(--radius-md);
    color: var(--slate-400);
    cursor: pointer;
    transition: all 0.2s ease;
}

.file-info-remove:hover {
    background: var(--red-500);
    border-color: var(--red-500);
    color: white;
}

/* Progress Bar */
.progress-container {
    margin-top: var(--spacing-xl);
    padding: var(--spacing-2xl);
    background: var(--slate-800);
    border: 2px solid var(--blue-500);
    border-radius: var(--radius-lg);
    text-align: center;
    box-shadow: 0 0 20px rgba(59, 130, 246, 0.3);
}

.progress-header {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.progress-header .spinner {
    width: 120px;
    height: 120px;
    border: 6px solid var(--slate-700);
    border-top-color: var(--blue-500);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

.progress-header span:first-of-type {
    color: var(--slate-100);
    font-weight: 600;
    font-size: 1.25rem;
}

.progress-header span:last-of-type {
    color: var(--blue-400);
    font-weight: 600;
}

.progress-bar {
    height: 8px;
    background: var(--slate-700);
    border-radius: 4px;
    overflow: hidden;
    position: relative;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--blue-500) 0%, var(--blue-400) 100%);
    border-radius: 4px;
    transition: width 0.3s ease;
    width: 0%;
    position: relative;
    overflow: hidden;
}

.progress-fill::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(
        90deg,
        transparent 0%,
        rgba(255, 255, 255, 0.3) 50%,
        transparent 100%
    );
    animation: shimmer 2s infinite;
}

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

.progress-details {
    display: flex;
    justify-content: space-between;
    margin-top: var(--spacing-sm);
    font-size: 0.75rem;
    color: var(--slate-400);
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .drop-zone {
        padding: var(--spacing-xl);
        min-height: 160px;
    }
    
    .file-info-content {
        gap: var(--spacing-sm);
    }
    
    .file-info-icon {
        width: 40px;
        height: 40px;
    }
    
    .file-info-name {
        font-size: 0.875rem;
    }
    
    .progress-container {
        padding: var(--spacing-md);
    }
}

/* ============================================
   MARKETING SECTIONS - Handcoded Style
   ============================================ */

/* Step Number Circle */
.step-number {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--slate-800);
    border: 2px solid var(--blue-500);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--blue-400);
    font-weight: 700;
    font-size: 1.125rem;
    flex-shrink: 0;
}

/* Step Container */
.step-container {
    display: flex;
    gap: 1rem;
}

.step-content {
    flex: 1;
}

.step-title {
    font-size: 1.125rem;
    color: var(--slate-200);
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.step-text {
    color: var(--slate-400);
    line-height: 1.6;
    margin: 0;
}

/* Use Case Card */
.use-case-card {
    padding: 1.25rem;
    background: var(--slate-800);
    border: 1px solid var(--slate-700);
    border-radius: 0.75rem;
}

.use-case-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 0.75rem;
}

.use-case-icon {
    width: 24px;
    height: 24px;
    color: var(--blue-400);
}

.use-case-title {
    font-size: 1.0625rem;
    color: var(--slate-200);
    font-weight: 600;
    margin: 0;
}

.use-case-text {
    color: var(--slate-400);
    line-height: 1.6;
    margin: 0;
    font-size: 0.9375rem;
}

/* Warning/Info Boxes */
.warning-box {
    padding: 1.25rem;
    border-radius: 0.75rem;
    margin-top: 1rem;
}

.warning-box p {
    color: var(--slate-200);
    line-height: 1.7;
    margin: 0;
    font-size: 0.9375rem;
}

.warning-box.error {
    background: linear-gradient(135deg, rgba(239, 68, 68, 0.1) 0%, rgba(185, 28, 28, 0.05) 100%);
    border: 1px solid rgba(239, 68, 68, 0.2);
}

.warning-box.warning {
    background: linear-gradient(135deg, rgba(245, 158, 11, 0.1) 0%, rgba(217, 119, 6, 0.05) 100%);
    border: 1px solid rgba(245, 158, 11, 0.2);
}

.warning-box.info {
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.1) 0%, rgba(37, 99, 235, 0.05) 100%);
    border: 1px solid rgba(59, 130, 246, 0.2);
}

.warning-label {
    font-weight: 600;
}

.warning-label.error {
    color: var(--red-400);
}

.warning-label.warning {
    color: var(--amber-400);
}

.warning-label.info {
    color: var(--blue-400);
}

/* Tech Spec Grid */
.tech-spec-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1rem;
    margin-top: 1.5rem;
}

.tech-spec-item {
    /* No specific styles, inherits from parent */
}

.tech-spec-label {
    color: var(--slate-500);
    font-size: 0.8125rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.375rem;
}

.tech-spec-value {
    color: var(--slate-200);
    font-weight: 600;
}

.tech-spec-desc {
    color: var(--slate-400);
    font-size: 0.875rem;
}

/* Code inline */
.inline-code {
    background: var(--slate-800);
    padding: 0.125rem 0.375rem;
    border-radius: 0.25rem;
    color: var(--blue-400);
    font-family: 'Courier New', monospace;
}

/* Spinner Animation */
.spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--slate-700);
    border-top-color: var(--blue-500);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

/* Mobile adjustments for marketing sections */
@media (max-width: 768px) {
    .step-number {
        width: 36px;
        height: 36px;
        font-size: 1rem;
    }
    
    .use-case-card {
        padding: 1rem;
    }
    
    .tech-spec-grid {
        grid-template-columns: 1fr;
    }
}

/* ═══════════════════════════════════════════════════════════════════════════
   LICENSES MODAL
   ═══════════════════════════════════════════════════════════════════════════ */

.licenses-modal {
    display: none !important;
    visibility: hidden !important;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(15, 23, 42, 0.95);
    backdrop-filter: blur(8px);
    z-index: -9999;
    opacity: 0;
    transition: opacity 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    pointer-events: none !important;
}

.licenses-modal.active {
    display: flex !important;
    visibility: visible !important;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    z-index: 10000;
    pointer-events: auto !important;
    animation: fadeIn 0.3s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

.licenses-modal-content {
    background: var(--slate-900);
    border: 1px solid var(--slate-700);
    border-radius: var(--radius-lg);
    max-width: 800px;
    width: 100%;
    max-height: 90vh;
    position: relative;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
    transform: scale(0.95);
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.licenses-modal.active .licenses-modal-content {
    transform: scale(1);
}

.licenses-modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 2rem 2rem 1rem 2rem;
    border-bottom: 1px solid var(--slate-800);
}

.licenses-modal-title {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin: 0;
    font-size: 1.5rem;
    color: var(--slate-100);
}

.licenses-modal-title i {
    color: var(--blue-500);
}

.licenses-modal-close {
    background: transparent;
    border: none;
    color: var(--slate-400);
    cursor: pointer;
    padding: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.licenses-modal-close:hover {
    background: var(--slate-800);
    color: var(--slate-200);
    transform: scale(1.1);
}

.licenses-modal-body {
    padding: 2rem;
    max-height: calc(90vh - 140px);
    overflow-y: auto;
}

/* Custom scrollbar for modal */
.licenses-modal-body::-webkit-scrollbar {
    width: 8px;
}

.licenses-modal-body::-webkit-scrollbar-track {
    background: var(--slate-800);
    border-radius: 4px;
}

.licenses-modal-body::-webkit-scrollbar-thumb {
    background: var(--slate-600);
    border-radius: 4px;
}

.licenses-modal-body::-webkit-scrollbar-thumb:hover {
    background: var(--slate-500);
}

/* License content styling */
.license-section {
    margin-bottom: 2rem;
}

.license-section:last-child {
    margin-bottom: 0;
}

.license-section h2 {
    color: var(--slate-100);
    font-size: 1.25rem;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.license-section h3 {
    color: var(--slate-200);
    font-size: 1.125rem;
    margin-top: 1.5rem;
    margin-bottom: 0.75rem;
}

.license-section p {
    color: var(--slate-300);
    line-height: 1.6;
    margin-bottom: 1rem;
}

.license-section strong {
    color: var(--slate-200);
    font-weight: 600;
}

.license-section a {
    color: var(--blue-400);
    text-decoration: none;
    transition: color 0.2s;
}

.license-section a:hover {
    color: var(--blue-300);
    text-decoration: underline;
}

.license-section hr {
    border: none;
    border-top: 1px solid var(--slate-800);
    margin: 2rem 0;
}

.license-text {
    background: var(--slate-800);
    border: 1px solid var(--slate-700);
    border-radius: var(--radius-md);
    padding: 1.5rem;
    font-family: 'Courier New', monospace;
    font-size: 0.875rem;
    line-height: 1.6;
    color: var(--slate-300);
    white-space: pre-wrap;
    word-wrap: break-word;
}

.license-badge {
    display: inline-block;
    background: var(--slate-800);
    border: 1px solid var(--slate-700);
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-md);
    color: var(--blue-400);
    font-size: 0.875rem;
    font-weight: 600;
    margin-left: 0.5rem;
}

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

/* Mobile responsive */
@media (max-width: 768px) {
    .licenses-modal {
        display: none !important;
        visibility: hidden !important;
        z-index: -9999 !important;
        opacity: 0 !important;
        pointer-events: none !important;
    }
    
    .licenses-modal.active {
        padding: 1rem;
        display: flex !important;
        visibility: visible !important;
        z-index: 10000 !important;
        opacity: 1 !important;
        pointer-events: auto !important;
    }
    
    .licenses-modal-header {
        padding: 1.5rem 1.5rem 1rem 1.5rem;
    }
    
    .licenses-modal-title {
        font-size: 1.25rem;
    }
    
    .licenses-modal-body {
        padding: 1.5rem;
        max-height: calc(90vh - 120px);
    }
    
    .license-text {
        font-size: 0.8125rem;
        padding: 1rem;
    }
}