/**
 * JekCMS Marketing Site - Main Styles
 * Modern, Minimalist, No Border Radius
 */

/* ============================================
   CSS Variables
   ============================================ */
:root {
    /* Colors - Light Mode */
    --color-primary: #2563EB;
    --color-primary-dark: #1D4ED8;
    --color-primary-light: #3B82F6;

    --color-bg: #FFFFFF;
    --color-bg-alt: #F8FAFC;
    --color-bg-card: #FFFFFF;

    --color-text: #0F172A;
    --color-text-secondary: #475569;
    --color-text-muted: #94A3B8;

    --color-border: #E2E8F0;
    --color-border-light: #F1F5F9;

    --color-success: #10B981;
    --color-warning: #F59E0B;
    --color-error: #EF4444;

    /* Gradients */
    --gradient-hero: linear-gradient(135deg, #0F172A 0%, #1E293B 50%, #334155 100%);
    --gradient-primary: linear-gradient(135deg, #2563EB 0%, #1D4ED8 100%);
    --gradient-accent: linear-gradient(135deg, #3B82F6 0%, #8B5CF6 100%);

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

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

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

    /* Container */
    --container-max: 1200px;
    --container-padding: 1.5rem;

    /* Header */
    --header-height: 72px;
}

/* Dark Mode */
[data-theme="dark"] {
    --color-bg: #0F172A;
    --color-bg-alt: #1E293B;
    --color-bg-card: #1E293B;

    --color-text: #F8FAFC;
    --color-text-secondary: #CBD5E1;
    --color-text-muted: #64748B;

    --color-border: #334155;
    --color-border-light: #1E293B;

    --gradient-hero: linear-gradient(135deg, #020617 0%, #0F172A 50%, #1E293B 100%);
}

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

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

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

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

ul, ol {
    list-style: none;
}

/* ============================================
   Utility Classes
   ============================================ */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

.section {
    padding: var(--spacing-4xl) 0;
}

.section-alt {
    background-color: var(--color-bg-alt);
}

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

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

.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* ============================================
   Typography
   ============================================ */
.section-header {
    text-align: center;
    margin-bottom: var(--spacing-3xl);
}

.section-title {
    font-size: var(--font-size-4xl);
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
}

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

/* ============================================
   Buttons
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: 0.75rem 1.5rem;
    font-size: var(--font-size-sm);
    font-weight: 600;
    line-height: 1;
    text-align: center;
    white-space: nowrap;
    transition: all var(--transition-base);
    border: 2px solid transparent;
}

.btn-primary {
    background: var(--gradient-primary);
    color: #FFFFFF;
}

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

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

.btn-secondary:hover {
    background-color: var(--color-bg-alt);
    border-color: var(--color-text-muted);
}

.btn-outline {
    background-color: transparent;
    color: var(--color-primary);
    border-color: var(--color-primary);
}

.btn-outline:hover {
    background-color: var(--color-primary);
    color: #FFFFFF;
}

.btn-lg {
    padding: 1rem 2rem;
    font-size: var(--font-size-base);
}

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: var(--font-size-xs);
}

.btn-block {
    width: 100%;
}

/* ============================================
   Header
   ============================================ */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background-color: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
    height: var(--header-height);
    transition: all var(--transition-base);
}

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

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: var(--header-height);
}

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

.logo-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    background: var(--gradient-primary);
    color: #FFFFFF;
    font-weight: 800;
    font-size: var(--font-size-lg);
}

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

/* Mobile controls (lang + theme) inside hamburger – hidden on desktop */
.nav-menu .nav-mobile-controls {
    display: none;
    list-style: none;
}

.nav-link {
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--color-text-secondary);
    transition: color var(--transition-fast);
    position: relative;
}

.nav-link:hover,
.nav-link.active {
    color: var(--color-text);
}

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    right: 0;
    height: 2px;
    background-color: var(--color-primary);
}

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

/* Language Toggle */
.lang-toggle {
    display: flex;
    border: 1px solid var(--color-border);
}

.lang-btn {
    padding: 0.35rem 0.6rem;
    font-size: var(--font-size-xs);
    font-weight: 600;
    color: var(--color-text-muted);
    transition: all var(--transition-fast);
}

.lang-btn:hover {
    color: var(--color-text);
}

.lang-btn.active {
    background-color: var(--color-primary);
    color: #FFFFFF;
}

/* Theme Toggle */
.theme-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    color: var(--color-text-secondary);
    transition: color var(--transition-fast);
}

.theme-toggle:hover {
    color: var(--color-text);
}

.theme-toggle .sun-icon {
    display: block;
}

.theme-toggle .moon-icon {
    display: none;
}

[data-theme="dark"] .theme-toggle .sun-icon {
    display: none;
}

[data-theme="dark"] .theme-toggle .moon-icon {
    display: block;
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 40px;
    height: 40px;
}

.mobile-menu-toggle span {
    width: 24px;
    height: 2px;
    background-color: var(--color-text);
    transition: all var(--transition-fast);
}

/* ============================================
   Hero Section
   ============================================ */
.hero {
    position: relative;
    padding: calc(var(--header-height) + var(--spacing-4xl)) 0 var(--spacing-4xl);
    background: var(--gradient-hero);
    color: #FFFFFF;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-4xl);
    align-items: center;
}

.hero-text {
    max-width: 560px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: 0.5rem 1rem;
    background-color: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    font-size: var(--font-size-sm);
    font-weight: 500;
    margin-bottom: var(--spacing-lg);
}

.hero-badge-dot {
    width: 8px;
    height: 8px;
    background-color: var(--color-success);
    animation: pulse 2s infinite;
}

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

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

.hero-title span {
    background: linear-gradient(135deg, #60A5FA 0%, #A78BFA 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: var(--font-size-xl);
    line-height: 1.6;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: var(--spacing-2xl);
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.hero-buttons .btn-primary {
    background: #FFFFFF;
    color: var(--color-primary);
}

.hero-buttons .btn-primary:hover {
    background: #F8FAFC;
}

.hero-buttons .btn-secondary {
    color: #FFFFFF;
    border-color: rgba(255, 255, 255, 0.3);
}

.hero-buttons .btn-secondary:hover {
    background-color: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.5);
}

/* Hero Mockup */
.hero-mockup {
    position: relative;
}

.mockup-window {
    background-color: #1E293B;
    border: 1px solid #334155;
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

.mockup-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    background-color: #0F172A;
    border-bottom: 1px solid #334155;
}

.mockup-dot {
    width: 12px;
    height: 12px;
}

.mockup-dot.red { background-color: #EF4444; }
.mockup-dot.yellow { background-color: #F59E0B; }
.mockup-dot.green { background-color: #10B981; }

.mockup-content {
    padding: var(--spacing-lg);
}

.mockup-nav {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid #334155;
}

.mockup-nav-item {
    padding: 0.5rem 1rem;
    background-color: #334155;
    color: #94A3B8;
    font-size: var(--font-size-xs);
}

.mockup-nav-item.active {
    background-color: var(--color-primary);
    color: #FFFFFF;
}

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

.mockup-card {
    padding: var(--spacing-md);
    background-color: #334155;
}

.mockup-card-icon {
    width: 32px;
    height: 32px;
    background-color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
}

.mockup-card-title {
    height: 8px;
    background-color: #475569;
    margin-bottom: var(--spacing-xs);
    width: 70%;
}

.mockup-card-text {
    height: 6px;
    background-color: #475569;
    width: 100%;
}

/* Floating Elements */
.hero-float {
    position: absolute;
    background-color: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    padding: var(--spacing-md);
    animation: float 6s ease-in-out infinite;
}

.hero-float-1 {
    top: 10%;
    right: -10%;
    animation-delay: 0s;
}

.hero-float-2 {
    bottom: 20%;
    left: -5%;
    animation-delay: 2s;
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
}

/* ============================================
   Stats Section
   ============================================ */
.stats {
    padding: var(--spacing-3xl) 0;
    background-color: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-xl);
    text-align: center;
}

.stat-item {
    padding: var(--spacing-lg);
}

.stat-number {
    font-size: var(--font-size-4xl);
    font-weight: 800;
    color: var(--color-primary);
    margin-bottom: var(--spacing-xs);
}

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

/* ============================================
   Features Section
   ============================================ */
.features {
    padding: var(--spacing-4xl) 0;
}

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

.feature-card {
    padding: var(--spacing-2xl);
    background-color: var(--color-bg-card);
    border: 1px solid var(--color-border);
    transition: all var(--transition-base);
}

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

.feature-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 56px;
    height: 56px;
    background: var(--gradient-primary);
    color: #FFFFFF;
    font-size: var(--font-size-2xl);
    margin-bottom: var(--spacing-lg);
}

.feature-title {
    font-size: var(--font-size-xl);
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

.feature-description {
    color: var(--color-text-secondary);
    line-height: 1.7;
}

/* ============================================
   Pricing Section
   ============================================ */
.pricing {
    padding: var(--spacing-4xl) 0;
    background-color: var(--color-bg-alt);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-lg);
    align-items: start;
}

.pricing-card {
    background-color: var(--color-bg-card);
    border: 1px solid var(--color-border);
    padding: var(--spacing-2xl);
    position: relative;
    transition: all var(--transition-base);
}

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

.pricing-card.featured {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-xl);
}

.pricing-badge {
    position: absolute;
    top: 0;
    left: 50%;
    transform: translate(-50%, -50%);
    background: var(--gradient-primary);
    color: #FFFFFF;
    padding: 0.35rem 1rem;
    font-size: var(--font-size-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.pricing-header {
    text-align: center;
    padding-bottom: var(--spacing-xl);
    border-bottom: 1px solid var(--color-border);
    margin-bottom: var(--spacing-xl);
}

.pricing-name {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-md);
}

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

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

.pricing-amount {
    font-size: var(--font-size-5xl);
    font-weight: 800;
    line-height: 1;
}

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

.pricing-features {
    margin-bottom: var(--spacing-2xl);
}

.pricing-feature {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) 0;
}

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

.pricing-feature span {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}

.pricing-card.featured .btn-primary {
    background: var(--gradient-primary);
    color: #FFFFFF;
}

/* ============================================
   Testimonials Section
   ============================================ */
.testimonials {
    padding: var(--spacing-4xl) 0;
}

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

.testimonial-card {
    padding: var(--spacing-2xl);
    background-color: var(--color-bg-card);
    border: 1px solid var(--color-border);
}

.testimonial-rating {
    display: flex;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-lg);
}

.testimonial-star {
    color: #F59E0B;
}

.testimonial-text {
    font-size: var(--font-size-lg);
    line-height: 1.7;
    margin-bottom: var(--spacing-xl);
    color: var(--color-text);
}

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

.testimonial-avatar {
    width: 48px;
    height: 48px;
    background: var(--gradient-accent);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #FFFFFF;
    font-weight: 700;
    font-size: var(--font-size-lg);
}

.testimonial-info h4 {
    font-size: var(--font-size-base);
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

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

/* ============================================
   CTA Section
   ============================================ */
.cta {
    padding: var(--spacing-4xl) 0;
    background: var(--gradient-hero);
    color: #FFFFFF;
}

.cta-content {
    max-width: 600px;
    margin: 0 auto;
    text-align: center;
}

.cta-title {
    font-size: var(--font-size-4xl);
    font-weight: 800;
    margin-bottom: var(--spacing-md);
}

.cta-subtitle {
    font-size: var(--font-size-lg);
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: var(--spacing-2xl);
}

.cta-form {
    display: flex;
    gap: var(--spacing-md);
    max-width: 480px;
    margin: 0 auto;
}

.cta-form input {
    flex: 1;
    padding: 0.875rem 1rem;
    font-size: var(--font-size-base);
    background-color: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: #FFFFFF;
    outline: none;
    transition: all var(--transition-fast);
}

.cta-form input::placeholder {
    color: rgba(255, 255, 255, 0.5);
}

.cta-form input:focus {
    background-color: rgba(255, 255, 255, 0.15);
    border-color: rgba(255, 255, 255, 0.4);
}

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

.cta-form .btn:hover {
    background-color: #F8FAFC;
}

/* ============================================
   Footer
   ============================================ */
.footer {
    background-color: var(--color-bg-alt);
    padding: var(--spacing-4xl) 0 var(--spacing-2xl);
    border-top: 1px solid var(--color-border);
}

.footer-grid {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: var(--spacing-3xl);
    margin-bottom: var(--spacing-3xl);
    align-items: start;
}

.footer-brand {
    padding-right: var(--spacing-2xl);
}

.footer-brand .logo {
    margin-bottom: var(--spacing-lg);
}

.footer-description {
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-xl);
    line-height: 1.7;
    font-size: var(--font-size-sm);
}

.social-links {
    display: flex;
    gap: var(--spacing-sm);
}

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    background-color: var(--color-bg);
    border: 1px solid var(--color-border);
    color: var(--color-text-secondary);
    transition: all var(--transition-fast);
}

.social-link:hover {
    background-color: var(--color-primary);
    border-color: var(--color-primary);
    color: #FFFFFF;
}

.footer-links-wrapper {
    display: grid !important;
    grid-template-columns: repeat(4, 1fr) !important;
    gap: var(--spacing-xl);
    width: 100%;
}

.footer-links-wrapper .footer-links {
    min-width: 0;
}

.footer-links h4 {
    font-size: var(--font-size-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--spacing-lg);
    color: var(--color-text-primary);
}

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

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

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

.footer-bottom {
    padding-top: var(--spacing-2xl);
    border-top: 1px solid var(--color-border);
}

.footer-bottom-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

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

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

.footer-subsidiary a {
    color: var(--color-primary);
    font-weight: 500;
    transition: color var(--transition-fast);
}

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

/* ============================================
   Page Headers
   ============================================ */
.page-header {
    padding: calc(var(--header-height) + var(--spacing-4xl)) 0 var(--spacing-3xl);
    background: var(--gradient-hero);
    color: #FFFFFF;
    text-align: center;
}

.page-title {
    font-size: var(--font-size-5xl);
    font-weight: 800;
    margin-bottom: var(--spacing-md);
}

.page-subtitle {
    font-size: var(--font-size-xl);
    color: rgba(255, 255, 255, 0.8);
    max-width: 600px;
    margin: 0 auto;
}

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

.form-label {
    display: block;
    font-size: var(--font-size-sm);
    font-weight: 500;
    margin-bottom: var(--spacing-sm);
}

.form-input,
.form-textarea,
.form-select {
    width: 100%;
    padding: 0.75rem 1rem;
    font-size: var(--font-size-base);
    font-family: inherit;
    background-color: var(--color-bg);
    border: 1px solid var(--color-border);
    color: var(--color-text);
    outline: none;
    transition: all var(--transition-fast);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-textarea {
    min-height: 150px;
    resize: vertical;
}

/* ============================================
   Contact Section
   ============================================ */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-4xl);
}

.contact-form {
    background-color: var(--color-bg-card);
    border: 1px solid var(--color-border);
    padding: var(--spacing-2xl);
}

.contact-info {
    padding: var(--spacing-2xl);
}

.contact-info-title {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    margin-bottom: var(--spacing-xl);
}

.contact-info-item {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.contact-info-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    background: var(--gradient-primary);
    color: #FFFFFF;
    flex-shrink: 0;
}

.contact-info-content h4 {
    font-size: var(--font-size-base);
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.contact-info-content p {
    color: var(--color-text-secondary);
}

/* ============================================
   Documentation
   ============================================ */
.docs-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-xl);
}

.docs-card {
    padding: var(--spacing-2xl);
    background-color: var(--color-bg-card);
    border: 1px solid var(--color-border);
    transition: all var(--transition-base);
}

.docs-card:hover {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-lg);
}

.docs-card-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    background: var(--gradient-primary);
    color: #FFFFFF;
    margin-bottom: var(--spacing-lg);
}

.docs-card-title {
    font-size: var(--font-size-xl);
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.docs-card-description {
    color: var(--color-text-secondary);
}

/* ============================================
   Features Page
   ============================================ */
.features-detail {
    padding: var(--spacing-4xl) 0;
}

.feature-detail-item {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-4xl);
    align-items: center;
    margin-bottom: var(--spacing-4xl);
}

.feature-detail-item:nth-child(even) {
    direction: rtl;
}

.feature-detail-item:nth-child(even) > * {
    direction: ltr;
}

.feature-detail-content h3 {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    margin-bottom: var(--spacing-lg);
}

.feature-detail-content p {
    color: var(--color-text-secondary);
    font-size: var(--font-size-lg);
    line-height: 1.7;
    margin-bottom: var(--spacing-lg);
}

.feature-detail-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.feature-detail-list li {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--color-text-secondary);
}

.feature-detail-list svg {
    color: var(--color-success);
    flex-shrink: 0;
}

.feature-detail-visual {
    background-color: var(--color-bg-alt);
    border: 1px solid var(--color-border);
    padding: var(--spacing-2xl);
    min-height: 300px;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* ============================================
   Responsive Design
   ============================================ */
@media (max-width: 1024px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

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

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

    .hero-mockup {
        display: none;
    }

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

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

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

    .footer-grid {
        grid-template-columns: 250px 1fr;
        gap: var(--spacing-2xl);
    }

    .footer-links-wrapper {
        grid-template-columns: repeat(4, 1fr);
        gap: var(--spacing-md);
    }

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

    .feature-detail-item,
    .feature-detail-item:nth-child(even) {
        grid-template-columns: 1fr;
        direction: ltr;
    }

    .docs-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;
        --spacing-4xl: 4rem;
    }

    .nav-menu {
        display: none;
        position: fixed;
        top: var(--header-height);
        left: 0;
        right: 0;
        bottom: 0;
        flex-direction: column;
        background-color: var(--color-bg);
        padding: var(--spacing-xl);
        gap: var(--spacing-lg);
        border-top: 1px solid var(--color-border);
    }

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

    .nav-link {
        font-size: var(--font-size-lg);
    }

    .nav-actions .btn {
        display: none;
    }

    .nav-actions .btn-login {
        display: inline-flex;
        padding: 0.5rem 0.75rem;
    }

    /* Hide lang + theme toggles from header bar on mobile – they live in the hamburger menu */
    .nav-actions .lang-toggle,
    .nav-actions .theme-toggle {
        display: none;
    }

    /* Show mobile controls block inside hamburger – only when menu is open */
    .nav-menu.active .nav-mobile-controls {
        display: flex;
        align-items: center;
        justify-content: space-between;
        width: 100%;
        padding-top: var(--spacing-lg);
        margin-top: auto;
        border-top: 1px solid var(--color-border);
    }

    .mobile-menu-toggle {
        display: flex;
    }

    .mobile-menu-toggle.active span:nth-child(1) {
        transform: translateY(7px) rotate(45deg);
    }

    .mobile-menu-toggle.active span:nth-child(2) {
        opacity: 0;
    }

    .mobile-menu-toggle.active span:nth-child(3) {
        transform: translateY(-7px) rotate(-45deg);
    }

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

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

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

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

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

    .footer-brand {
        padding-right: 0;
        text-align: center;
    }

    .footer-description {
        margin-left: auto;
        margin-right: auto;
        max-width: 400px;
    }

    .social-links {
        justify-content: center;
    }

    .footer-links-wrapper {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-xl);
    }

    .footer-bottom-content {
        flex-direction: column;
        gap: var(--spacing-sm);
        text-align: center;
    }

    .cta-form {
        flex-direction: column;
    }

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

/* ============================================
   Animations
   ============================================ */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

.animate-delay-100 { animation-delay: 100ms; }
.animate-delay-200 { animation-delay: 200ms; }
.animate-delay-300 { animation-delay: 300ms; }
.animate-delay-400 { animation-delay: 400ms; }
.animate-delay-500 { animation-delay: 500ms; }

/* Intersection Observer Animations */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ============================================
   Auth Modal
   ============================================ */
.auth-modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 9999;
    display: none;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-md);
    visibility: hidden;
    opacity: 0;
    transition: visibility 0s 0.3s, opacity 0.3s ease;
}

.auth-modal.active {
    display: flex;
    visibility: visible;
    opacity: 1;
    transition: visibility 0s, opacity 0.3s ease;
}

.auth-modal-backdrop {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}

.auth-modal-container {
    position: relative;
    width: 100%;
    max-width: 440px;
    max-height: 90vh;
    overflow-y: auto;
    background-color: var(--color-bg);
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow-xl);
    transform: translateY(20px) scale(0.95);
    transition: transform 0.3s ease;
}

.auth-modal.active .auth-modal-container {
    transform: translateY(0) scale(1);
}

.auth-modal-close {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-muted);
    z-index: 10;
    transition: color var(--transition-fast), background-color var(--transition-fast);
}

.auth-modal-close:hover {
    color: var(--color-text);
    background-color: var(--color-bg-alt);
}

.auth-modal-content {
    padding: var(--spacing-2xl);
}

/* Auth Tabs */
.auth-tabs {
    display: flex;
    position: relative;
    margin-bottom: var(--spacing-xl);
    border-bottom: 1px solid var(--color-border);
}

.auth-tab {
    flex: 1;
    padding: var(--spacing-md) var(--spacing-lg);
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-text-muted);
    text-align: center;
    transition: color var(--transition-fast);
}

.auth-tab:hover {
    color: var(--color-text-secondary);
}

.auth-tab.active {
    color: var(--color-primary);
}

.auth-tab-indicator {
    position: absolute;
    bottom: -1px;
    left: 0;
    height: 2px;
    background-color: var(--color-primary);
    transition: transform 0.3s ease, width 0.3s ease;
}

/* Auth Panels */
.auth-panel {
    display: none;
}

.auth-panel.active {
    display: block;
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Auth Header */
.auth-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.auth-header h2 {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
}

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

/* Google OAuth Button */
.auth-google-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-md);
    width: 100%;
    padding: 0.875rem var(--spacing-lg);
    background-color: var(--color-bg);
    border: 1px solid var(--color-border);
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--color-text);
    transition: all var(--transition-fast);
}

.auth-google-btn:hover {
    background-color: var(--color-bg-alt);
    border-color: var(--color-text-muted);
}

.auth-google-btn svg {
    flex-shrink: 0;
}

/* Auth Divider */
.auth-divider {
    display: flex;
    align-items: center;
    margin: var(--spacing-xl) 0;
}

.auth-divider::before,
.auth-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background-color: var(--color-border);
}

.auth-divider span {
    padding: 0 var(--spacing-md);
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Auth Form */
.auth-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.auth-form-group {
    position: relative;
}

.auth-form-group label {
    display: block;
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--color-text);
    margin-bottom: var(--spacing-sm);
}

.auth-form-group input {
    width: 100%;
    padding: 0.875rem var(--spacing-md);
    font-size: var(--font-size-base);
    background-color: var(--color-bg);
    border: 1px solid var(--color-border);
    color: var(--color-text);
    outline: none;
    transition: all var(--transition-fast);
}

.auth-form-group input:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

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

.auth-form-group.has-error input {
    border-color: var(--color-error);
}

.auth-form-group.has-error input:focus {
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1);
}

/* Field Error */
.auth-field-error {
    display: block;
    font-size: var(--font-size-xs);
    color: var(--color-error);
    margin-top: var(--spacing-xs);
    opacity: 0;
    transform: translateY(-5px);
    transition: all var(--transition-fast);
}

.auth-field-error.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Password Wrapper */
.auth-password-wrapper {
    position: relative;
}

.auth-password-wrapper input {
    padding-right: 48px;
}

.auth-password-toggle {
    position: absolute;
    top: 50%;
    right: var(--spacing-md);
    transform: translateY(-50%);
    color: var(--color-text-muted);
    padding: var(--spacing-xs);
    transition: color var(--transition-fast);
}

.auth-password-toggle:hover {
    color: var(--color-text);
}

/* Password Strength */
.auth-password-strength {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-sm);
}

.auth-strength-bar {
    flex: 1;
    height: 4px;
    background-color: var(--color-border);
    overflow: hidden;
}

.auth-strength-fill {
    height: 100%;
    width: 0;
    transition: width 0.3s ease, background-color 0.3s ease;
}

.auth-strength-fill.weak {
    background-color: var(--color-error);
}

.auth-strength-fill.medium {
    background-color: var(--color-warning);
}

.auth-strength-fill.strong {
    background-color: var(--color-success);
}

.auth-strength-text {
    font-size: var(--font-size-xs);
    font-weight: 500;
}

.auth-strength-text.weak {
    color: var(--color-error);
}

.auth-strength-text.medium {
    color: var(--color-warning);
}

.auth-strength-text.strong {
    color: var(--color-success);
}

/* Form Options */
.auth-form-options {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

/* Checkbox */
.auth-checkbox {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    cursor: pointer;
}

.auth-checkbox input {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
}

.auth-checkbox-mark {
    flex-shrink: 0;
    width: 18px;
    height: 18px;
    border: 1px solid var(--color-border);
    background-color: var(--color-bg);
    position: relative;
    transition: all var(--transition-fast);
}

.auth-checkbox input:checked + .auth-checkbox-mark {
    background-color: var(--color-primary);
    border-color: var(--color-primary);
}

.auth-checkbox input:checked + .auth-checkbox-mark::after {
    content: '';
    position: absolute;
    left: 5px;
    top: 2px;
    width: 5px;
    height: 9px;
    border: solid white;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}

.auth-checkbox input:focus + .auth-checkbox-mark {
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.auth-checkbox a {
    color: var(--color-primary);
    text-decoration: underline;
}

.auth-checkbox a:hover {
    color: var(--color-primary-dark);
}

/* Forgot Password Link */
.auth-forgot-link {
    font-size: var(--font-size-sm);
    color: var(--color-primary);
    transition: color var(--transition-fast);
}

.auth-forgot-link:hover {
    color: var(--color-primary-dark);
}

/* Form Error */
.auth-form-error {
    padding: var(--spacing-md);
    background-color: rgba(239, 68, 68, 0.1);
    border: 1px solid var(--color-error);
    color: var(--color-error);
    font-size: var(--font-size-sm);
    display: none;
}

.auth-form-error.visible {
    display: block;
}

.auth-form-error.success {
    background-color: rgba(16, 185, 129, 0.1);
    border-color: var(--color-success);
    color: var(--color-success);
}

/* Submit Button */
.auth-submit-btn {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    padding: 1rem var(--spacing-lg);
    background: var(--gradient-primary);
    color: #FFFFFF;
    font-size: var(--font-size-base);
    font-weight: 600;
    transition: all var(--transition-fast);
    overflow: hidden;
}

.auth-submit-btn:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.auth-submit-btn:disabled {
    opacity: 0.7;
    cursor: not-allowed;
}

.auth-submit-btn .auth-btn-text {
    transition: opacity 0.2s ease;
}

.auth-submit-btn.loading .auth-btn-text {
    opacity: 0;
}

.auth-btn-loader {
    position: absolute;
    width: 20px;
    height: 20px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: #FFFFFF;
    animation: spin 0.8s linear infinite;
    opacity: 0;
    transition: opacity 0.2s ease;
}

.auth-submit-btn.loading .auth-btn-loader {
    opacity: 1;
}

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

/* Switch Text */
.auth-switch-text {
    text-align: center;
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    margin-top: var(--spacing-xl);
}

.auth-switch-btn {
    color: var(--color-primary);
    font-weight: 500;
    transition: color var(--transition-fast);
}

.auth-switch-btn:hover {
    color: var(--color-primary-dark);
}

/* Auth Modal Responsive */
@media (max-width: 480px) {
    .auth-modal {
        padding: 0;
        align-items: flex-end;
    }

    .auth-modal-container {
        max-width: 100%;
        max-height: 95vh;
        border-left: none;
        border-right: none;
        border-bottom: none;
    }

    .auth-modal.active .auth-modal-container {
        transform: translateY(0);
    }

    .auth-modal-content {
        padding: var(--spacing-xl);
    }

    .auth-form-options {
        flex-direction: column;
        align-items: flex-start;
    }
}