/**
 * Sandly - Main Stylesheet
 * Modern SaaS Design System
 */

/* ==========================================
   CSS Variables / Design Tokens
   ========================================== */
:root {
    /* Colors */
    --primary: #6366f1;
    --primary-dark: #4f46e5;
    --primary-light: #818cf8;
    --primary-50: #eef2ff;
    --primary-100: #e0e7ff;
    
    --secondary: #0ea5e9;
    --secondary-dark: #0284c7;
    
    --success: #10b981;
    --warning: #f59e0b;
    --error: #ef4444;
    
    --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;
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    --gradient-dark: linear-gradient(135deg, var(--gray-900) 0%, var(--gray-800) 100%);
    --gradient-hero: radial-gradient(ellipse 80% 50% at 50% -20%, rgba(99, 102, 241, 0.3), transparent);
    
    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 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: 1.875rem;
    --font-size-4xl: 2.25rem;
    --font-size-5xl: 3rem;
    --font-size-6xl: 3.75rem;
    
    /* Spacing */
    --spacing-1: 0.25rem;
    --spacing-2: 0.5rem;
    --spacing-3: 0.75rem;
    --spacing-4: 1rem;
    --spacing-5: 1.25rem;
    --spacing-6: 1.5rem;
    --spacing-8: 2rem;
    --spacing-10: 2.5rem;
    --spacing-12: 3rem;
    --spacing-16: 4rem;
    --spacing-20: 5rem;
    --spacing-24: 6rem;
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-full: 9999px;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
    --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);
    --shadow-glow: 0 0 40px rgba(99, 102, 241, 0.3);
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 200ms ease;
    --transition-slow: 300ms ease;
    
    /* Z-index */
    --z-dropdown: 100;
    --z-sticky: 200;
    --z-fixed: 300;
    --z-modal-backdrop: 400;
    --z-modal: 500;
    --z-tooltip: 600;
}

/* ==========================================
   Reset & Base Styles
   ========================================== */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

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(--gray-900);
    background-color: #fff;
}

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

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

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

ul, ol {
    list-style: none;
}

/* ==========================================
   Container
   ========================================== */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-6);
}

/* ==========================================
   Buttons
   ========================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-2);
    padding: var(--spacing-3) var(--spacing-5);
    font-size: var(--font-size-sm);
    font-weight: 500;
    line-height: 1;
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
    white-space: nowrap;
}

.btn svg {
    width: 18px;
    height: 18px;
}

.btn-primary {
    background: var(--gradient-primary);
    color: #fff;
    box-shadow: var(--shadow-md), 0 0 0 0 rgba(99, 102, 241, 0.5);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg), 0 0 20px rgba(99, 102, 241, 0.4);
}

.btn-outline {
    background: transparent;
    color: var(--gray-700);
    border: 1px solid var(--gray-300);
}

.btn-outline:hover {
    background: var(--gray-50);
    border-color: var(--gray-400);
}

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

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

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

.btn-sm {
    padding: var(--spacing-2) var(--spacing-3);
    font-size: var(--font-size-xs);
}

.btn-block {
    width: 100%;
}

/* ==========================================
   Header / Navigation
   ========================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: var(--z-sticky);
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--gray-200);
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

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

.logo-icon {
    width: 32px;
    height: 32px;
    color: var(--primary);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: var(--spacing-8);
}

.nav-links a {
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--gray-600);
    transition: color var(--transition-fast);
}

.nav-links a:hover {
    color: var(--gray-900);
}

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

/* User Menu in Header (Landing Page) */
.user-menu-header {
    position: relative;
}

.user-menu-btn-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    padding: var(--spacing-2) var(--spacing-3);
    background: var(--gray-50);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.user-menu-btn-header:hover {
    background: var(--gray-100);
    border-color: var(--gray-300);
}

.user-avatar-header {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    color: white;
    font-weight: 600;
    font-size: var(--font-size-sm);
    border-radius: 50%;
}

.user-info-header {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    line-height: 1.2;
}

.user-name-header {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--gray-900);
}

.user-plan-header {
    font-size: 10px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    padding: 1px 6px;
    border-radius: var(--radius-sm);
    background: var(--gray-200);
    color: var(--gray-600);
}

.user-plan-header.basic {
    background: #dbeafe;
    color: #1d4ed8;
}

.user-plan-header.advanced {
    background: #f3e8ff;
    color: #7c3aed;
}

.user-plan-header.business {
    background: #fef3c7;
    color: #d97706;
}

.user-plan-header.enterprise {
    background: #fce7f3;
    color: #db2777;
}

.user-menu-btn-header svg {
    width: 16px;
    height: 16px;
    color: var(--gray-400);
    transition: transform var(--transition-fast);
}

.user-dropdown-header {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    min-width: 200px;
    background: white;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all var(--transition-fast);
    z-index: var(--z-dropdown);
}

.user-dropdown-header.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-item-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
    padding: var(--spacing-3) var(--spacing-4);
    color: var(--gray-700);
    font-size: var(--font-size-sm);
    transition: background var(--transition-fast);
}

.dropdown-item-header:hover {
    background: var(--gray-50);
}

.dropdown-item-header svg {
    width: 16px;
    height: 16px;
    color: var(--gray-400);
}

.dropdown-item-header.text-danger {
    color: var(--error);
}

.dropdown-item-header.text-danger svg {
    color: var(--error);
}

.dropdown-divider-header {
    height: 1px;
    background: var(--gray-100);
    margin: var(--spacing-2) 0;
}

/* Security Badge */
.security-badge {
    position: relative;
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-3);
    margin-top: var(--spacing-8);
    padding: var(--spacing-3) var(--spacing-5);
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.12) 0%, rgba(6, 182, 212, 0.12) 100%);
    border: 2px solid transparent;
    border-radius: var(--radius-xl);
    color: #047857;
    font-size: var(--font-size-sm);
    box-shadow: 0 4px 20px rgba(16, 185, 129, 0.2), inset 0 0 20px rgba(16, 185, 129, 0.05);
    background-clip: padding-box;
    animation: badgePulse 3s ease-in-out infinite;
}

.security-badge::before {
    content: '';
    position: absolute;
    inset: -2px;
    border-radius: var(--radius-xl);
    background: linear-gradient(135deg, #10b981 0%, #06b6d4 100%);
    z-index: -1;
    opacity: 0.6;
}

.security-badge::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: calc(var(--radius-xl) - 2px);
    background: linear-gradient(135deg, rgba(255,255,255,0.95) 0%, rgba(240,253,244,0.95) 100%);
    z-index: -1;
}

@keyframes badgePulse {
    0%, 100% {
        box-shadow: 0 4px 20px rgba(16, 185, 129, 0.2), inset 0 0 20px rgba(16, 185, 129, 0.05);
    }
    50% {
        box-shadow: 0 4px 30px rgba(16, 185, 129, 0.35), inset 0 0 25px rgba(16, 185, 129, 0.1);
    }
}

.security-badge-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    border-radius: var(--radius-lg);
    box-shadow: 0 3px 10px rgba(16, 185, 129, 0.4);
}

.security-badge-icon svg {
    width: 20px;
    height: 20px;
    color: white;
}

.security-badge-text {
    display: flex;
    flex-direction: column;
    line-height: 1.3;
}

.security-badge-title {
    font-weight: 700;
    font-size: var(--font-size-sm);
    color: #065f46;
}

.security-badge-subtitle {
    font-size: 12px;
    color: #047857;
}

.security-badge-subtitle strong {
    font-weight: 700;
    color: #059669;
    background: linear-gradient(135deg, #10b981, #0891b2);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.mobile-menu-btn {
    display: none;
    padding: var(--spacing-2);
    color: var(--gray-700);
}

.mobile-menu-btn svg {
    width: 24px;
    height: 24px;
}

.mobile-menu {
    display: none;
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    background: #fff;
    border-bottom: 1px solid var(--gray-200);
    padding: var(--spacing-6);
    z-index: var(--z-dropdown);
}

.mobile-menu.active {
    display: block;
}

.mobile-menu-content {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-4);
}

.mobile-menu-content a {
    font-size: var(--font-size-base);
    color: var(--gray-700);
    padding: var(--spacing-2) 0;
}

.mobile-menu-content hr {
    border: none;
    border-top: 1px solid var(--gray-200);
    margin: var(--spacing-2) 0;
}

.mobile-user-info {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
    padding: var(--spacing-2) 0;
}

.mobile-user-info .user-name-header {
    display: block;
    font-size: var(--font-size-base);
}

.mobile-user-info .user-plan-header {
    display: inline-block;
    margin-top: 4px;
}

@media (max-width: 768px) {
    .nav-links, .nav-actions {
        display: none;
    }
    
    .mobile-menu-btn {
        display: block;
    }
    
    .security-badge {
        font-size: 12px;
        padding: var(--spacing-2) var(--spacing-3);
    }
}

/* ==========================================
   Hero Section
   ========================================== */
.hero {
    position: relative;
    padding: calc(72px + var(--spacing-20)) 0 var(--spacing-20);
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    pointer-events: none;
}

.hero-gradient {
    position: absolute;
    inset: 0;
    background: var(--gradient-hero);
}

.hero-grid {
    position: absolute;
    inset: 0;
    background-image: 
        linear-gradient(rgba(99, 102, 241, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(99, 102, 241, 0.03) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse 80% 50% at 50% 0%, black, transparent);
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-16);
    align-items: center;
}

.hero-content {
    position: relative;
    z-index: 1;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-2);
    padding: var(--spacing-2) var(--spacing-4);
    background: var(--primary-50);
    color: var(--primary);
    font-size: var(--font-size-sm);
    font-weight: 500;
    border-radius: var(--radius-full);
    margin-bottom: var(--spacing-6);
}

.hero-badge svg {
    width: 16px;
    height: 16px;
}

.hero-title {
    font-size: var(--font-size-5xl);
    font-weight: 800;
    line-height: 1.1;
    color: var(--gray-900);
    margin-bottom: var(--spacing-6);
}

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

.hero-subtitle {
    font-size: var(--font-size-xl);
    color: var(--gray-600);
    margin-bottom: var(--spacing-8);
    max-width: 500px;
}

.hero-actions {
    display: flex;
    gap: var(--spacing-4);
    margin-bottom: var(--spacing-12);
}

.hero-stats {
    display: flex;
    gap: var(--spacing-10);
}

.stat {
    display: flex;
    flex-direction: column;
}

.stat-value {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--gray-900);
}

.stat-label {
    font-size: var(--font-size-sm);
    color: var(--gray-500);
}

/* Hero Visual / Demo */
.hero-visual {
    position: relative;
    z-index: 1;
}

.upload-demo {
    background: #fff;
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-2xl), var(--shadow-glow);
    overflow: hidden;
    border: 1px solid var(--gray-200);
}

.upload-demo-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-4);
    padding: var(--spacing-4) var(--spacing-5);
    background: var(--gray-50);
    border-bottom: 1px solid var(--gray-200);
}

.window-dots {
    display: flex;
    gap: var(--spacing-2);
}

.window-dots span {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--gray-300);
}

.window-dots span:first-child { background: #ef4444; }
.window-dots span:nth-child(2) { background: #f59e0b; }
.window-dots span:last-child { background: #10b981; }

.upload-demo-title {
    font-size: var(--font-size-sm);
    color: var(--gray-500);
}

.upload-demo-body {
    padding: var(--spacing-6);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-4);
}

.upload-zone {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-10);
    border: 2px dashed var(--gray-300);
    border-radius: var(--radius-xl);
    background: var(--gray-50);
    text-align: center;
    transition: all var(--transition-base);
}

.upload-zone:hover {
    border-color: var(--primary);
    background: var(--primary-50);
}

.upload-zone svg {
    width: 48px;
    height: 48px;
    color: var(--gray-400);
    margin-bottom: var(--spacing-3);
}

.upload-zone p {
    color: var(--gray-600);
    margin-bottom: var(--spacing-1);
}

.upload-zone span {
    font-size: var(--font-size-sm);
    color: var(--gray-400);
}

.upload-file {
    display: flex;
    align-items: center;
    gap: var(--spacing-4);
    padding: var(--spacing-4);
    background: var(--gray-50);
    border-radius: var(--radius-lg);
}

.file-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary-100);
    border-radius: var(--radius-md);
}

.file-icon svg {
    width: 20px;
    height: 20px;
    color: var(--primary);
}

.file-info {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.file-name {
    font-weight: 500;
    color: var(--gray-900);
}

.file-size {
    font-size: var(--font-size-sm);
    color: var(--gray-500);
}

.file-status svg {
    width: 20px;
    height: 20px;
    color: var(--success);
}

.upload-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
    padding: var(--spacing-3) var(--spacing-4);
    background: var(--gray-900);
    border-radius: var(--radius-lg);
}

.upload-link span {
    flex: 1;
    font-family: monospace;
    font-size: var(--font-size-sm);
    color: var(--gray-300);
}

@media (max-width: 1024px) {
    .hero .container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-subtitle {
        margin-left: auto;
        margin-right: auto;
    }
    
    .hero-actions {
        justify-content: center;
    }
    
    .hero-stats {
        justify-content: center;
    }
    
    .hero-visual {
        max-width: 500px;
        margin: 0 auto;
    }
}

@media (max-width: 640px) {
    .hero-title {
        font-size: var(--font-size-3xl);
    }
    
    .hero-subtitle {
        font-size: var(--font-size-base);
    }
    
    .hero-actions {
        flex-direction: column;
    }
    
    .hero-stats {
        flex-wrap: wrap;
        gap: var(--spacing-6);
    }
}

/* ==========================================
   Section Styles
   ========================================== */
section {
    padding: var(--spacing-16) 0;
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-12);
}

.section-badge {
    display: inline-block;
    padding: var(--spacing-2) var(--spacing-4);
    background: var(--primary-50);
    color: var(--primary);
    font-size: var(--font-size-sm);
    font-weight: 600;
    border-radius: var(--radius-full);
    margin-bottom: var(--spacing-4);
}

.section-title {
    font-size: var(--font-size-4xl);
    font-weight: 800;
    color: var(--gray-900);
    margin-bottom: var(--spacing-4);
}

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

/* ==========================================
   Features Section
   ========================================== */
.features {
    background: var(--gray-50);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-8);
}

.feature-card {
    background: #fff;
    padding: var(--spacing-8);
    border-radius: var(--radius-2xl);
    border: 1px solid var(--gray-200);
    transition: all var(--transition-base);
}

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

.feature-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    border-radius: var(--radius-xl);
    margin-bottom: var(--spacing-5);
}

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

.feature-card h3 {
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: var(--spacing-3);
}

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

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

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

/* ==========================================
   How it Works Section
   ========================================== */
.steps {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-6);
}

.step {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    max-width: 250px;
}

.step-number {
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    color: #fff;
    font-size: var(--font-size-2xl);
    font-weight: 700;
    border-radius: 50%;
    margin-bottom: var(--spacing-5);
}

.step-content h3 {
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: var(--spacing-2);
}

.step-content p {
    color: var(--gray-600);
}

.step-connector {
    color: var(--gray-300);
}

.step-connector svg {
    width: 32px;
    height: 32px;
}

@media (max-width: 768px) {
    .steps {
        flex-direction: column;
    }
    
    .step-connector {
        transform: rotate(90deg);
    }
}

/* ==========================================
   Pricing Section
   ========================================== */
.pricing {
    background: var(--gray-50);
}

.pricing-grid,
.plans-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-6);
    margin-bottom: var(--spacing-6);
}

.pricing-card,
.plan-card {
    position: relative;
    background: #fff;
    padding: var(--spacing-8);
    border-radius: var(--radius-2xl);
    border: 1px solid var(--gray-200);
    transition: all var(--transition-base);
    display: flex;
    flex-direction: column;
}

.pricing-card:hover,
.plan-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

.pricing-card.popular,
.plan-card.popular {
    border-color: var(--primary);
    box-shadow: var(--shadow-glow);
}

.plan-card.current {
    border-color: var(--primary);
    background: var(--primary-50);
}

.popular-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    padding: var(--spacing-2) var(--spacing-4);
    background: var(--gradient-primary);
    color: #fff;
    font-size: var(--font-size-xs);
    font-weight: 600;
    border-radius: var(--radius-full);
    white-space: nowrap;
}

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

.pricing-header h3,
.plan-header h3,
.plan-name {
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: var(--spacing-4);
}

.pricing-price,
.plan-price {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 2px;
    margin-bottom: var(--spacing-2);
}

.price-currency {
    font-size: var(--font-size-lg);
    font-weight: 500;
    color: var(--gray-500);
}

.price-value {
    font-size: var(--font-size-5xl);
    font-weight: 800;
    color: var(--gray-900);
    line-height: 1;
}

.price-decimal {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--gray-900);
}

.price-period {
    font-size: var(--font-size-base);
    color: var(--gray-500);
}

.pricing-description,
.plan-description {
    font-size: var(--font-size-sm);
    color: var(--gray-500);
    margin: 0;
}

.pricing-features,
.plan-features {
    margin-bottom: var(--spacing-8);
    flex: 1;
    list-style: none;
    padding: 0;
}

.pricing-features li,
.plan-features li {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
    padding: var(--spacing-3) 0;
    font-size: var(--font-size-sm);
    color: var(--gray-700);
}

.pricing-features li svg,
.plan-features li svg {
    width: 18px;
    height: 18px;
    color: var(--success);
    flex-shrink: 0;
}

.pricing-features li.disabled,
.plan-features li.disabled {
    color: var(--gray-400);
}

.pricing-features li.disabled svg,
.plan-features li.disabled svg {
    color: var(--gray-300);
}

.plan-action {
    margin-top: auto;
}

.pricing-enterprise,
.enterprise-card {
    background: var(--gradient-dark);
    padding: var(--spacing-6) var(--spacing-8);
    border-radius: var(--radius-2xl);
    margin-top: var(--spacing-6);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-6);
}

.enterprise-content {
    display: flex;
    align-items: center;
    gap: var(--spacing-6);
    flex: 1;
}

.enterprise-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    flex-shrink: 0;
}

.enterprise-icon svg {
    width: 24px;
    height: 24px;
    color: #fff;
}

.enterprise-info h3 {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: #fff;
    margin-bottom: var(--spacing-1);
}

.enterprise-info p {
    color: var(--gray-400);
    font-size: var(--font-size-sm);
    margin: 0;
    max-width: 450px;
}

.enterprise-content .btn-outline,
.enterprise-card .btn-outline {
    color: #fff;
    border-color: var(--gray-600);
}

.enterprise-content .btn-outline:hover,
.enterprise-card .btn-outline:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--gray-500);
}

/* Payment Info */
.payment-info {
    background: var(--gray-100);
    border-radius: var(--radius-xl);
    padding: var(--spacing-6);
    text-align: center;
}

.payment-info h4 {
    font-size: var(--font-size-base);
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: var(--spacing-4);
}

.payment-methods {
    display: flex;
    justify-content: center;
    gap: var(--spacing-8);
    margin-bottom: var(--spacing-4);
}

.payment-method {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    color: var(--gray-600);
    font-size: var(--font-size-sm);
}

.payment-method svg {
    width: 20px;
    height: 20px;
    color: var(--gray-400);
}

.payment-note {
    font-size: var(--font-size-sm);
    color: var(--gray-500);
    margin: 0;
}

@media (max-width: 1200px) {
    .pricing-grid,
    .plans-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .pricing-grid,
    .plans-grid {
        grid-template-columns: 1fr;
        max-width: 400px;
        margin-left: auto;
        margin-right: auto;
    }
    
    .enterprise-content {
        flex-direction: column;
        text-align: center;
    }
    
    .payment-methods {
        flex-direction: column;
        gap: var(--spacing-3);
    }
}

/* ==========================================
   FAQ Section
   ========================================== */
.faq-grid {
    max-width: 800px;
    margin: 0 auto;
}

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

.faq-question {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    padding: var(--spacing-6) 0;
    font-size: var(--font-size-lg);
    font-weight: 500;
    color: var(--gray-900);
    text-align: left;
    transition: color var(--transition-fast);
}

.faq-question:hover {
    color: var(--primary);
}

.faq-question svg {
    width: 20px;
    height: 20px;
    color: var(--gray-400);
    transition: transform var(--transition-base);
}

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

.faq-answer {
    display: none;
    padding-bottom: var(--spacing-6);
}

.faq-item.active .faq-answer {
    display: block;
}

.faq-answer p {
    color: var(--gray-600);
    line-height: 1.7;
}

/* ==========================================
   CTA Section
   ========================================== */
.cta {
    background: var(--gradient-primary);
    padding: var(--spacing-20) 0;
}

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

.cta-content h2 {
    font-size: var(--font-size-4xl);
    font-weight: 800;
    color: #fff;
    margin-bottom: var(--spacing-4);
}

.cta-content p {
    font-size: var(--font-size-lg);
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: var(--spacing-8);
}

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

.cta .btn-primary:hover {
    background: var(--gray-100);
}

/* ==========================================
   Footer
   ========================================== */
.footer {
    background: var(--gray-900);
    padding: var(--spacing-16) 0 var(--spacing-8);
}

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

.footer-brand .logo {
    color: #fff;
    margin-bottom: var(--spacing-4);
}

.footer-brand .logo-icon {
    color: var(--primary-light);
}

.footer-brand p {
    color: var(--gray-400);
    margin-bottom: var(--spacing-6);
}

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

.footer-social a {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gray-800);
    border-radius: var(--radius-lg);
    color: var(--gray-400);
    transition: all var(--transition-fast);
}

.footer-social a:hover {
    background: var(--primary);
    color: #fff;
}

.footer-social svg {
    width: 20px;
    height: 20px;
}

.footer-links h4 {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: #fff;
    margin-bottom: var(--spacing-5);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

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

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

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

.footer-bottom {
    padding-top: var(--spacing-8);
    border-top: 1px solid var(--gray-800);
    text-align: center;
}

.footer-bottom p {
    font-size: var(--font-size-sm);
    color: var(--gray-500);
}

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

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

/* ==========================================
   Utility Classes
   ========================================== */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mt-4 { margin-top: var(--spacing-4); }
.mt-8 { margin-top: var(--spacing-8); }
.mb-4 { margin-bottom: var(--spacing-4); }
.mb-8 { margin-bottom: var(--spacing-8); }

.hidden { display: none; }
.block { display: block; }
.flex { display: flex; }
.grid { display: grid; }

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

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

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

.animate-pulse {
    animation: pulse 2s ease-in-out infinite;
}

/* ==========================================
   Guest Upload Styles
   ========================================== */
.guest-upload-container {
    position: relative;
}

.guest-upload-zone {
    cursor: pointer;
    transition: all var(--transition-base);
}

.guest-upload-zone:hover {
    border-color: var(--primary);
    background: rgba(99, 102, 241, 0.05);
}

.guest-upload-zone.dragover {
    border-color: var(--primary);
    background: rgba(99, 102, 241, 0.1);
    transform: scale(1.02);
}

.guest-file-preview {
    display: flex;
    align-items: center;
    gap: var(--spacing-4);
    padding: var(--spacing-4);
    background: var(--gray-50);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-4);
}

.guest-file-preview .file-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary-100);
    border-radius: var(--radius-md);
}

.guest-file-preview .file-icon svg {
    width: 24px;
    height: 24px;
    color: var(--primary);
}

.guest-file-preview .file-info {
    flex: 1;
}

.guest-file-preview .file-name {
    font-weight: 600;
    color: var(--gray-900);
    display: block;
    margin-bottom: 2px;
}

.guest-file-preview .file-size {
    font-size: var(--font-size-sm);
    color: var(--gray-500);
}

.guest-upload-progress {
    padding: var(--spacing-4);
}

.guest-upload-progress .progress-bar {
    height: 8px;
    background: var(--gray-200);
    border-radius: var(--radius-full);
    overflow: hidden;
    margin-bottom: var(--spacing-2);
}

.guest-upload-progress .progress-fill {
    height: 100%;
    background: var(--gradient-primary);
    border-radius: var(--radius-full);
    transition: width 0.3s ease;
}

.guest-upload-progress .progress-text {
    display: block;
    text-align: center;
    font-size: var(--font-size-sm);
    color: var(--gray-600);
}

.guest-upload-success {
    text-align: center;
    padding: var(--spacing-4);
}

.guest-upload-success .success-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto var(--spacing-4);
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    animation: successPop 0.5s ease;
}

.guest-upload-success .success-icon svg {
    width: 32px;
    height: 32px;
    color: white;
}

.guest-upload-success p {
    color: var(--gray-700);
    margin-bottom: var(--spacing-4);
}

.guest-upload-success .upload-link {
    margin: var(--spacing-4) 0;
}

.guest-upload-success .success-note {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-2);
    font-size: var(--font-size-sm);
    color: var(--gray-500);
    margin-bottom: var(--spacing-4);
}

.guest-upload-success .success-note svg {
    width: 16px;
    height: 16px;
}

.guest-upload-footer {
    padding-top: var(--spacing-4);
    border-top: 1px solid var(--gray-100);
}

.guest-upload-footer p {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-2);
    font-size: var(--font-size-xs);
    color: var(--gray-400);
}

.guest-upload-footer p svg {
    width: 14px;
    height: 14px;
}

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

/* Guest Upload Modal */
.guest-modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: var(--z-modal-backdrop);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
}

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

.guest-modal {
    background: white;
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-2xl);
    width: 100%;
    max-width: 480px;
    max-height: 90vh;
    overflow-y: auto;
    transform: scale(0.9) translateY(20px);
    transition: all var(--transition-base);
}

.guest-modal-overlay.active .guest-modal {
    transform: scale(1) translateY(0);
}

.guest-modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-5) var(--spacing-6);
    border-bottom: 1px solid var(--gray-100);
}

.guest-modal-header h3 {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--gray-900);
}

.guest-modal-header h3 svg {
    width: 20px;
    height: 20px;
    color: var(--primary);
}

.guest-modal-close {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gray-100);
    border: none;
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.guest-modal-close:hover {
    background: var(--gray-200);
}

.guest-modal-close svg {
    width: 18px;
    height: 18px;
    color: var(--gray-500);
}

.guest-modal-body {
    padding: var(--spacing-6);
    overflow: hidden;
}

.guest-file-info {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
    padding: var(--spacing-4);
    background: var(--gray-50);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-6);
    overflow: hidden;
}

.guest-file-info .file-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary-100);
    border-radius: var(--radius-md);
}

.guest-file-info .file-icon svg {
    width: 24px;
    height: 24px;
    color: var(--primary);
}

.guest-file-info .file-details {
    flex: 1;
}

.guest-file-info .file-name {
    display: block;
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: 2px;
    word-break: break-all;
}

.guest-file-info .file-size {
    font-size: var(--font-size-sm);
    color: var(--gray-500);
}

.guest-modal-body .form-group {
    margin-bottom: var(--spacing-5);
}

.guest-modal-body label {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--gray-700);
    margin-bottom: var(--spacing-2);
}

.guest-modal-body label svg {
    width: 16px;
    height: 16px;
    color: var(--gray-400);
}

.guest-modal-body label .required {
    color: var(--error);
}

.guest-modal-body label .optional {
    font-weight: 400;
    color: var(--gray-400);
}

.guest-modal-body input[type="email"],
.guest-modal-body input[type="text"] {
    width: 100%;
    padding: var(--spacing-3) var(--spacing-4);
    border: 1px solid var(--gray-300);
    border-radius: var(--radius-lg);
    font-size: var(--font-size-base);
    transition: all var(--transition-fast);
}

.guest-modal-body input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.guest-modal-body small {
    display: block;
    margin-top: var(--spacing-2);
    font-size: var(--font-size-xs);
    color: var(--gray-500);
}

.guest-modal-body small.error {
    color: var(--error);
}

.guest-modal-body small.success {
    color: var(--success);
}

.guest-modal-body small.checking {
    color: var(--warning);
}

.input-prefix {
    display: flex;
    align-items: stretch;
    border: 1px solid var(--gray-300);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all var(--transition-fast);
}

.input-prefix:focus-within {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.input-prefix span {
    display: flex;
    align-items: center;
    padding: 0 var(--spacing-3);
    background: var(--gray-50);
    color: var(--gray-500);
    font-size: var(--font-size-sm);
    border-right: 1px solid var(--gray-200);
    white-space: nowrap;
}

.input-prefix input {
    flex: 1;
    border: none !important;
    border-radius: 0 !important;
    box-shadow: none !important;
}

.input-prefix input:focus {
    box-shadow: none !important;
}

.guest-info-box {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-3);
    padding: var(--spacing-4);
    background: var(--primary-50);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-6);
}

.guest-info-box svg {
    width: 20px;
    height: 20px;
    color: var(--primary);
    flex-shrink: 0;
    margin-top: 2px;
}

.guest-info-box p {
    font-size: var(--font-size-sm);
    color: var(--gray-700);
    line-height: 1.5;
}

.guest-info-box strong {
    color: var(--primary-dark);
}

.guest-modal-actions {
    display: flex;
    gap: var(--spacing-3);
    justify-content: flex-end;
}

.guest-modal-actions .btn {
    min-width: 120px;
}

/* Multiple files in guest upload */
.guest-files-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
    max-height: 150px;
    overflow-y: auto;
    margin-bottom: 12px;
}

.guest-file-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 12px;
    background: var(--gray-50);
    border-radius: var(--radius-md);
    font-size: 13px;
}

.guest-file-item svg {
    width: 18px;
    height: 18px;
    color: var(--primary);
    flex-shrink: 0;
}

.guest-file-item .name {
    flex: 1;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    color: var(--gray-800);
    font-weight: 500;
}

.guest-file-item .size {
    color: var(--gray-500);
    font-size: 12px;
}

.guest-file-item .remove-file {
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    color: var(--gray-400);
    transition: all 0.2s;
}

.guest-file-item .remove-file:hover {
    background: var(--error-100);
    color: var(--error);
}

.guest-file-item .remove-file svg {
    width: 14px;
    height: 14px;
    color: inherit;
}

.guest-files-summary {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 13px;
    color: var(--gray-600);
    margin-bottom: 12px;
}

.guest-files-summary span:first-child {
    font-weight: 600;
    color: var(--gray-800);
}

/* Modal multiple files */
.modal-file-single {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px;
    background: var(--gray-50);
    border-radius: var(--radius-lg);
    margin-bottom: 20px;
    overflow: hidden;
}

.modal-file-single .file-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary-100);
    border-radius: var(--radius-md);
    flex-shrink: 0;
}

.modal-file-single .file-icon svg {
    width: 24px;
    height: 24px;
    color: var(--primary);
}

.modal-file-single .file-details {
    flex: 1;
    min-width: 0;
    overflow: hidden;
}

.modal-file-single .file-name {
    display: block;
    font-weight: 600;
    color: var(--gray-900);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    margin-bottom: 2px;
}

.modal-file-single .file-size {
    font-size: 13px;
    color: var(--gray-500);
}

.modal-files-multiple {
    background: var(--gray-50);
    border-radius: var(--radius-lg);
    padding: 16px;
    margin-bottom: 20px;
    overflow: hidden;
}

.modal-files-multiple .files-header {
    display: flex;
    align-items: center;
    gap: 10px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--gray-200);
    margin-bottom: 12px;
}

.modal-files-multiple .files-header svg {
    width: 20px;
    height: 20px;
    color: var(--primary);
    flex-shrink: 0;
}

.modal-files-multiple .files-header span {
    font-weight: 600;
    color: var(--gray-800);
    white-space: nowrap;
}

.modal-files-multiple .files-header .total-size {
    margin-left: auto;
    font-weight: 400;
    font-size: 13px;
    color: var(--gray-500);
    flex-shrink: 0;
}

.modal-files-multiple .files-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
    max-height: 120px;
    overflow-y: auto;
    overflow-x: hidden;
}

.modal-files-multiple .file-row {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    min-width: 0;
}

.modal-files-multiple .file-row svg {
    width: 16px;
    height: 16px;
    color: var(--gray-400);
    flex-shrink: 0;
}

.modal-files-multiple .file-row .name {
    flex: 1;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    color: var(--gray-700);
    min-width: 0;
}

.modal-files-multiple .file-row .size {
    color: var(--gray-400);
    font-size: 12px;
    flex-shrink: 0;
    white-space: nowrap;
}

/* Guest file preview adjustments */
.guest-file-preview {
    flex-direction: column;
    gap: 12px;
    padding: 16px;
}

@media (max-width: 640px) {
    .guest-modal {
        margin: var(--spacing-4);
        max-height: calc(100vh - var(--spacing-8));
    }
    
    .guest-modal-actions {
        flex-direction: column-reverse;
    }
    
    .guest-modal-actions .btn {
        width: 100%;
    }
    
    .input-prefix {
        flex-direction: column;
    }
    
    .input-prefix span {
        border-right: none;
        border-bottom: 1px solid var(--gray-200);
        padding: var(--spacing-2) var(--spacing-3);
    }
}