/* ============================================
   MAIN.CSS - Traductor LSP
   Premium Dark Theme with Glassmorphism
   ============================================ */

/* ---- CSS Reset ---- */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* ---- Root Variables ---- */
:root {
    /* Colors */
    --primary: #6C63FF;
    --primary-dark: #5A52D5;
    --primary-light: #8B83FF;
    --primary-glow: rgba(108, 99, 255, 0.4);
    --secondary: #FF6584;
    --secondary-dark: #E0516D;
    --accent: #00D9FF;
    --accent-glow: rgba(0, 217, 255, 0.3);

    /* Backgrounds */
    --bg-primary: #0a0a1a;
    --bg-secondary: #0f0f23;
    --bg-tertiary: #1a1a2e;
    --bg-card: rgba(255, 255, 255, 0.03);
    --bg-card-hover: rgba(255, 255, 255, 0.06);
    --bg-glass: rgba(255, 255, 255, 0.05);
    --bg-glass-strong: rgba(255, 255, 255, 0.08);
    --bg-input: rgba(255, 255, 255, 0.05);
    --bg-navbar: rgba(10, 10, 26, 0.8);

    /* Text */
    --text-primary: #FFFFFF;
    --text-secondary: #A0A0B8;
    --text-muted: #5A5A7A;
    --text-inverse: #0a0a1a;

    /* Borders */
    --border-subtle: rgba(255, 255, 255, 0.06);
    --border-light: rgba(255, 255, 255, 0.1);
    --border-focus: rgba(108, 99, 255, 0.5);

    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #6C63FF, #a855f7);
    --gradient-secondary: linear-gradient(135deg, #FF6584, #FF8BA0);
    --gradient-hero: linear-gradient(135deg, #0a0a1a 0%, #1a1a2e 50%, #16213e 100%);
    --gradient-card: linear-gradient(135deg, rgba(108, 99, 255, 0.1), rgba(168, 85, 247, 0.05));
    --gradient-text: linear-gradient(135deg, #6C63FF, #a855f7, #FF6584);

    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);
    --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.6);
    --shadow-glow: 0 0 20px rgba(108, 99, 255, 0.3);
    --shadow-glow-lg: 0 0 40px rgba(108, 99, 255, 0.2);

    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 2rem;
    --font-size-4xl: 2.5rem;
    --font-size-5xl: 3.5rem;
    --font-size-6xl: 4.5rem;

    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    --space-4xl: 6rem;

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

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 400ms ease;
    --transition-spring: 500ms cubic-bezier(0.34, 1.56, 0.64, 1);

    /* Z-index */
    --z-dropdown: 100;
    --z-navbar: 1000;
    --z-modal: 2000;
    --z-notification: 3000;
}

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

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-primary);
    overflow-x: hidden;
    min-height: 100vh;
}

a {
    color: var(--primary-light);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--primary);
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

::selection {
    background: rgba(108, 99, 255, 0.3);
    color: var(--text-primary);
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
    background: var(--bg-tertiary);
    border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary-dark);
}

/* ---- Animated Background ---- */
.bg-animation {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    overflow: hidden;
    pointer-events: none;
}

.bg-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.15;
    animation: orbFloat 20s infinite ease-in-out;
}

.bg-orb-1 {
    width: 600px;
    height: 600px;
    background: var(--primary);
    top: -200px;
    right: -100px;
    animation-delay: 0s;
}

.bg-orb-2 {
    width: 400px;
    height: 400px;
    background: var(--secondary);
    bottom: -100px;
    left: -100px;
    animation-delay: -7s;
}

.bg-orb-3 {
    width: 500px;
    height: 500px;
    background: var(--accent);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation-delay: -14s;
    opacity: 0.08;
}

@keyframes orbFloat {
    0%, 100% { transform: translate(0, 0) scale(1); }
    25% { transform: translate(50px, -50px) scale(1.1); }
    50% { transform: translate(-30px, 30px) scale(0.95); }
    75% { transform: translate(40px, 20px) scale(1.05); }
}

/* ---- Container ---- */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

/* ---- Typography ---- */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -0.02em;
}

.gradient-text {
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

.section-badge {
    display: inline-block;
    padding: var(--space-xs) var(--space-lg);
    background: rgba(108, 99, 255, 0.1);
    border: 1px solid rgba(108, 99, 255, 0.2);
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--primary-light);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--space-md);
}

.section-title {
    font-size: var(--font-size-4xl);
    margin-bottom: var(--space-md);
}

.section-subtitle {
    font-size: var(--font-size-lg);
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

.section-title-sm {
    font-size: var(--font-size-xl);
    margin-bottom: var(--space-lg);
    color: var(--text-primary);
}

/* ---- Navbar ---- */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: var(--z-navbar);
    padding: var(--space-md) 0;
    background: var(--bg-navbar);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border-bottom: 1px solid var(--border-subtle);
    transition: all var(--transition-base);
}

.navbar.scrolled {
    padding: var(--space-sm) 0;
    background: rgba(10, 10, 26, 0.95);
    box-shadow: var(--shadow-lg);
}

.navbar-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.navbar-brand {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: var(--font-size-xl);
    font-weight: 800;
    color: var(--text-primary);
    text-decoration: none;
}

.brand-icon {
    font-size: 1.5rem;
}

.brand-highlight {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

.nav-link {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    padding: var(--space-sm) var(--space-md);
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
    font-weight: 500;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    text-decoration: none;
}

.nav-link:hover {
    color: var(--text-primary);
    background: var(--bg-glass);
}

.nav-link.active {
    color: var(--primary-light);
    background: rgba(108, 99, 255, 0.1);
}

.nav-icon {
    width: 16px;
    height: 16px;
}

.nav-user {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    margin-left: var(--space-sm);
    padding-left: var(--space-md);
    border-left: 1px solid var(--border-subtle);
}

.nav-user-name {
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--text-secondary);
}

.nav-cta {
    margin-left: var(--space-sm);
}

/* Navbar Toggle (Mobile) */
.navbar-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--space-sm);
}

.toggle-bar {
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: all var(--transition-base);
}

/* ---- Buttons ---- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: 0.625rem 1.5rem;
    font-family: var(--font-family);
    font-size: var(--font-size-sm);
    font-weight: 600;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-base);
    text-decoration: none;
    white-space: nowrap;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.1), transparent);
    transition: left 0.5s ease;
}

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

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: 0 4px 15px rgba(108, 99, 255, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 25px rgba(108, 99, 255, 0.45);
    color: white;
}

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

.btn-outline {
    background: transparent;
    color: var(--text-primary);
    border: 1px solid var(--border-light);
}

.btn-outline:hover {
    background: var(--bg-glass);
    border-color: var(--primary);
    color: var(--primary-light);
    transform: translateY(-1px);
}

.btn-ghost {
    background: transparent;
    color: var(--text-secondary);
}

.btn-ghost:hover {
    color: var(--text-primary);
    background: var(--bg-glass);
}

.btn-danger {
    background: linear-gradient(135deg, #ef4444, #dc2626);
    color: white;
}

.btn-danger:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(239, 68, 68, 0.35);
    color: white;
}

.btn-sm {
    padding: 0.375rem 1rem;
    font-size: var(--font-size-xs);
}

.btn-lg {
    padding: 0.875rem 2rem;
    font-size: var(--font-size-base);
}

.btn-block {
    width: 100%;
}

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

.icon-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: var(--radius-md);
    background: var(--bg-glass);
    border: 1px solid var(--border-subtle);
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.icon-btn:hover {
    background: var(--bg-glass-strong);
    color: var(--primary-light);
    border-color: var(--primary);
}

/* ---- Forms ---- */
.form-group {
    margin-bottom: var(--space-lg);
}

.form-label {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    margin-bottom: var(--space-sm);
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--text-secondary);
}

.form-input {
    width: 100%;
    padding: 0.75rem 1rem;
    background: var(--bg-input);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    transition: all var(--transition-base);
    outline: none;
}

.form-input::placeholder {
    color: var(--text-muted);
}

.form-input:focus {
    border-color: var(--border-focus);
    box-shadow: 0 0 0 3px rgba(108, 99, 255, 0.15), var(--shadow-glow);
    background: rgba(255, 255, 255, 0.07);
}

.form-input:hover {
    border-color: var(--border-light);
}

.input-password-wrapper {
    position: relative;
}

.input-password-wrapper .form-input {
    padding-right: 3rem;
}

.password-toggle {
    position: absolute;
    right: 0.75rem;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: 0.25rem;
    transition: color var(--transition-fast);
}

.password-toggle:hover {
    color: var(--primary-light);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-md);
}

.form-options {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-lg);
}

.form-checkbox {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    cursor: pointer;
}

.form-checkbox input[type="checkbox"] {
    width: 16px;
    height: 16px;
    accent-color: var(--primary);
}

.form-link {
    font-size: var(--font-size-sm);
    color: var(--primary-light);
    font-weight: 500;
}

.form-link:hover {
    color: var(--primary);
    text-decoration: underline;
}

.form-select-sm {
    padding: 0.375rem 0.75rem;
    background: var(--bg-input);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-family: var(--font-family);
    font-size: var(--font-size-xs);
    outline: none;
    cursor: pointer;
}

.form-select-sm:focus {
    border-color: var(--border-focus);
}

/* ---- Toggle Switch ---- */
.toggle-switch {
    position: relative;
    display: inline-block;
    width: 44px;
    height: 24px;
}

.toggle-switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.toggle-slider {
    position: absolute;
    cursor: pointer;
    inset: 0;
    background: var(--bg-tertiary);
    border-radius: var(--radius-full);
    transition: var(--transition-base);
    border: 1px solid var(--border-subtle);
}

.toggle-slider::before {
    content: '';
    position: absolute;
    width: 18px;
    height: 18px;
    left: 2px;
    bottom: 2px;
    background: var(--text-secondary);
    border-radius: 50%;
    transition: var(--transition-base);
}

.toggle-switch input:checked + .toggle-slider {
    background: var(--primary);
    border-color: var(--primary);
}

.toggle-switch input:checked + .toggle-slider::before {
    transform: translateX(20px);
    background: white;
}

/* ---- Notifications ---- */
.notification {
    position: fixed;
    top: 80px;
    left: 0;
    right: 0;
    z-index: var(--z-notification);
    animation: slideDown var(--transition-spring) forwards;
}

.notification-content {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-md) var(--space-lg);
    border-radius: var(--radius-md);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
}

.notification-success .notification-content {
    background: rgba(74, 222, 128, 0.1);
    border: 1px solid rgba(74, 222, 128, 0.3);
}

.notification-error .notification-content {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.3);
}

.notification-icon {
    font-size: var(--font-size-lg);
    font-weight: 700;
}

.notification-success .notification-icon { color: #4ade80; }
.notification-error .notification-icon { color: #ef4444; }

.notification-text {
    flex: 1;
    font-size: var(--font-size-sm);
    color: var(--text-primary);
}

.notification-close {
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 1.25rem;
    cursor: pointer;
    padding: 0.25rem;
    line-height: 1;
    transition: color var(--transition-fast);
}

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

@keyframes slideDown {
    from { transform: translateY(-100%); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

/* ---- Hero Section ---- */
.hero {
    padding: 110px 0 var(--space-4xl);
    min-height: auto;
    display: flex;
    align-items: center;
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4xl);
    align-items: center;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-xs) var(--space-lg);
    background: rgba(108, 99, 255, 0.08);
    border: 1px solid rgba(108, 99, 255, 0.2);
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--primary-light);
    margin-bottom: var(--space-xl);
}

.badge-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #4ade80;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(1.3); }
}

.hero-title {
    font-size: var(--font-size-6xl);
    font-weight: 900;
    line-height: 1.05;
    letter-spacing: -0.03em;
    margin-bottom: var(--space-xl);
}

.hero-subtitle {
    font-size: var(--font-size-lg);
    color: var(--text-secondary);
    line-height: 1.7;
    max-width: 540px;
    margin-bottom: var(--space-2xl);
}

.hero-actions {
    display: flex;
    gap: var(--space-md);
    margin-bottom: var(--space-3xl);
    flex-wrap: wrap;
}

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

.stat-value {
    display: block;
    font-size: var(--font-size-2xl);
    font-weight: 800;
    color: var(--text-primary);
}

.stat-label {
    font-size: var(--font-size-xs);
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.stat-divider {
    width: 1px;
    height: 40px;
    background: var(--border-subtle);
}

/* Hero Visual Card */
.hero-visual {
    display: flex;
    justify-content: center;
}

.hero-card {
    width: 100%;
    max-width: 480px;
    background: var(--bg-glass);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-xl), var(--shadow-glow-lg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    animation: heroFloat 6s ease-in-out infinite;
}

@keyframes heroFloat {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

.hero-card-header {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-lg);
    background: rgba(0, 0, 0, 0.3);
    border-bottom: 1px solid var(--border-subtle);
}

.card-dots {
    display: flex;
    gap: 6px;
}

.dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
}

.dot-red { background: #ff5f57; }
.dot-yellow { background: #febc2e; }
.dot-green { background: #28c840; }

.card-title-small {
    margin-left: auto;
    font-size: var(--font-size-xs);
    color: var(--text-muted);
    font-family: 'Courier New', monospace;
}

.hero-card-body {
    padding: var(--space-lg);
}

.demo-webcam {
    background: rgba(0, 0, 0, 0.4);
    border-radius: var(--radius-md);
    padding: var(--space-3xl) var(--space-xl);
    margin-bottom: var(--space-lg);
    border: 1px dashed var(--border-subtle);
}

.webcam-placeholder {
    text-align: center;
    color: var(--text-muted);
}

.webcam-placeholder p {
    margin-top: var(--space-sm);
    font-size: var(--font-size-sm);
}

.demo-result {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.result-item {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-sm) var(--space-md);
    background: rgba(255, 255, 255, 0.03);
    border-radius: var(--radius-sm);
    border: 1px solid transparent;
    transition: all var(--transition-base);
}

.result-item.active {
    background: rgba(108, 99, 255, 0.08);
    border-color: rgba(108, 99, 255, 0.2);
}

.result-sign {
    font-size: 1.5rem;
}

.result-text {
    flex: 1;
    font-weight: 500;
    font-size: var(--font-size-sm);
}

.result-confidence {
    font-size: var(--font-size-xs);
    font-weight: 700;
    color: #4ade80;
    background: rgba(74, 222, 128, 0.1);
    padding: 2px 8px;
    border-radius: var(--radius-full);
}

/* ---- Features Section ---- */
.features {
    padding: var(--space-xl) 0;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-xl);
}

.feature-card {
    position: relative;
    padding: var(--space-2xl);
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-xl);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    transition: all var(--transition-slow);
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--gradient-primary);
    opacity: 0;
    transition: opacity var(--transition-base);
}

.feature-card:hover {
    transform: translateY(-8px);
    background: var(--bg-card-hover);
    border-color: rgba(108, 99, 255, 0.15);
    box-shadow: var(--shadow-lg), 0 0 30px rgba(108, 99, 255, 0.1);
}

.feature-card:hover::before {
    opacity: 1;
}

.feature-card.featured {
    border-color: rgba(108, 99, 255, 0.2);
    background: var(--gradient-card);
}

.feature-card.featured::before {
    opacity: 1;
}

.feature-icon-wrapper {
    position: relative;
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--space-lg);
}

.feature-icon-bg {
    position: absolute;
    inset: 0;
    background: var(--gradient-primary);
    border-radius: var(--radius-lg);
    opacity: 0.15;
}

.feature-icon {
    width: 28px;
    height: 28px;
    color: var(--primary-light);
    position: relative;
    z-index: 1;
}

.feature-title {
    font-size: var(--font-size-xl);
    margin-bottom: var(--space-sm);
}

.feature-desc {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: var(--space-lg);
}

.feature-tag {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    padding: var(--space-xs) var(--space-md);
    background: rgba(108, 99, 255, 0.08);
    border-radius: var(--radius-full);
    font-size: var(--font-size-xs);
    color: var(--primary-light);
    font-weight: 500;
}

/* ---- How It Works Section ---- */
.how-it-works {
    padding: var(--space-xl) 0;
}

.steps-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-xl);
}

.step-card {
    position: relative;
    text-align: center;
    padding: var(--space-2xl) var(--space-lg);
}

.step-number {
    font-size: var(--font-size-5xl);
    font-weight: 900;
    background: linear-gradient(135deg, rgba(108, 99, 255, 0.2), rgba(108, 99, 255, 0.05));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--space-md);
}

.step-connector {
    display: none;
}

.step-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto var(--space-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-glass);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    color: var(--primary-light);
}

.step-title {
    font-size: var(--font-size-xl);
    margin-bottom: var(--space-sm);
}

.step-desc {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ---- CTA Section ---- */
.cta-section {
    padding: var(--space-xl) 0;
}

.cta-card {
    position: relative;
    background: var(--gradient-card);
    border: 1px solid rgba(108, 99, 255, 0.2);
    border-radius: var(--radius-xl);
    padding: var(--space-4xl);
    text-align: center;
    overflow: hidden;
}

.cta-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--gradient-primary);
}

.cta-title {
    font-size: var(--font-size-4xl);
    margin-bottom: var(--space-md);
}

.cta-text {
    font-size: var(--font-size-lg);
    color: var(--text-secondary);
    margin-bottom: var(--space-2xl);
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
}

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

/* ---- Auth Section ---- */
.auth-section {
    padding: calc(80px + var(--space-4xl)) 0 var(--space-4xl);
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.auth-card {
    max-width: 440px;
    margin: 0 auto;
    background: var(--bg-glass);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-xl);
    padding: var(--space-2xl);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: var(--shadow-xl);
}

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

.auth-logo {
    font-size: 3rem;
    margin-bottom: var(--space-md);
}

.auth-title {
    font-size: var(--font-size-2xl);
    margin-bottom: var(--space-xs);
}

.auth-subtitle {
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
}

.auth-footer {
    text-align: center;
    margin-top: var(--space-xl);
    padding-top: var(--space-lg);
    border-top: 1px solid var(--border-subtle);
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

/* ---- Dashboard Section ---- */
.dashboard-section {
    padding: calc(80px + var(--space-3xl)) 0 var(--space-4xl);
}

.dashboard-header {
    margin-bottom: var(--space-2xl);
}

.dashboard-title {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    font-size: var(--font-size-3xl);
    margin-bottom: var(--space-sm);
}

.dashboard-subtitle {
    font-size: var(--font-size-lg);
    color: var(--text-secondary);
}

.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-lg);
    margin-bottom: var(--space-3xl);
}

.dash-card {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
    padding: var(--space-xl);
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
}

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

.dash-card-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
    flex-shrink: 0;
}

.dash-card-value {
    display: block;
    font-size: var(--font-size-2xl);
    font-weight: 800;
}

.dash-card-label {
    font-size: var(--font-size-xs);
    color: var(--text-muted);
}

.dashboard-actions {
    margin-bottom: var(--space-3xl);
}

.actions-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-lg);
}

.action-card {
    padding: var(--space-xl);
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
    text-decoration: none;
    color: var(--text-primary);
}

.action-card:hover {
    background: var(--bg-card-hover);
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border-color: var(--primary);
    color: var(--text-primary);
}

.action-card h3 {
    font-size: var(--font-size-base);
    margin: var(--space-md) 0 var(--space-xs);
}

.action-card p {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

.recent-empty {
    text-align: center;
    padding: var(--space-3xl);
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
}

.recent-empty p {
    color: var(--text-muted);
    margin: var(--space-md) 0;
}

.recent-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.recent-item {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-md) var(--space-lg);
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
}

.recent-item-icon {
    width: 36px;
    height: 36px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md, 0.5rem);
    background: rgba(139, 92, 246, 0.1);
}

.recent-item-info {
    display: flex;
    flex-direction: column;
    gap: 0.125rem;
}

.recent-item-title {
    font-weight: 500;
    color: var(--text-primary);
}

.recent-item-meta {
    font-size: var(--font-size-sm);
    color: var(--text-muted);
}

/* ---- Footer ---- */
.footer {
    padding: var(--space-4xl) 0 var(--space-xl);
    border-top: 1px solid var(--border-subtle);
    background: rgba(0, 0, 0, 0.3);
}

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

.footer-brand .brand-icon {
    font-size: 2rem;
}

.footer-brand .brand-text {
    font-size: var(--font-size-xl);
    font-weight: 800;
}

.footer-tagline {
    margin-top: var(--space-md);
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
    max-width: 300px;
}

.footer-title {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--space-lg);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

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

.footer-links a {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    transition: color var(--transition-fast);
}

.footer-links a:hover {
    color: var(--primary-light);
}

.footer-bottom {
    padding-top: var(--space-xl);
    border-top: 1px solid var(--border-subtle);
    text-align: center;
}

.footer-bottom p {
    font-size: var(--font-size-sm);
    color: var(--text-muted);
}

.footer-tech {
    margin-top: var(--space-xs);
    font-size: var(--font-size-xs) !important;
}

/* ---- Main Content Spacing ---- */
.main-content {
    min-height: 100vh;
}

.page-home .main-content {
    min-height: auto;
}

/* ---- Responsive ---- */
@media (max-width: 1024px) {
    .hero .container {
        grid-template-columns: 1fr;
        gap: var(--space-2xl);
    }

    .hero-title {
        font-size: var(--font-size-4xl);
    }

    .hero-visual {
        display: none;
    }

    .features-grid {
        grid-template-columns: 1fr 1fr;
    }

    .steps-grid {
        grid-template-columns: 1fr;
        gap: var(--space-lg);
    }

    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: var(--space-xl);
    }

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

@media (max-width: 768px) {
    :root {
        --font-size-6xl: 2.5rem;
        --font-size-5xl: 2rem;
        --font-size-4xl: 1.75rem;
        --font-size-3xl: 1.5rem;
    }

    .navbar-toggle {
        display: flex;
    }

    .navbar-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        flex-direction: column;
        padding: var(--space-md) var(--space-lg);
        background: rgba(10, 10, 26, 0.98);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        border-bottom: 1px solid var(--border-subtle);
        gap: var(--space-xs);
    }

    .navbar-menu.active {
        display: flex;
    }

    .nav-user {
        border-left: none;
        margin-left: 0;
        padding-left: 0;
        padding-top: var(--space-md);
        border-top: 1px solid var(--border-subtle);
    }

    .features-grid {
        grid-template-columns: 1fr;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .hero-actions {
        flex-direction: column;
    }

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

    .hero-stats {
        flex-wrap: wrap;
        gap: var(--space-lg);
    }

    .stat-divider {
        display: none;
    }

    .footer-grid {
        grid-template-columns: 1fr;
    }

    .cta-card {
        padding: var(--space-2xl);
    }

    .dashboard-grid {
        grid-template-columns: 1fr;
    }

    .actions-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--space-md);
    }

    .auth-card {
        padding: var(--space-lg);
    }
}