/* ============================================
   ARHILED Landing Page - Styles
   Modern, Professional Dark Theme
   ============================================ */

/* CSS Variables */
:root {
    /* Colors */
    --color-bg-primary: #0a0a0f;
    --color-bg-secondary: #12121a;
    --color-bg-tertiary: #1a1a25;
    --color-bg-card: #16161f;

    --color-primary: #3b82f6;
    --color-primary-light: #60a5fa;
    --color-primary-dark: #2563eb;
    --color-primary-glow: rgba(59, 130, 246, 0.3);

    --color-accent: #f59e0b;
    --color-accent-light: #fbbf24;

    --color-success: #10b981;
    --color-warning: #f59e0b;
    --color-error: #ef4444;

    --color-text-primary: #ffffff;
    --color-text-secondary: #94a3b8;
    --color-text-muted: #64748b;

    --color-border: rgba(255, 255, 255, 0.1);
    --color-border-light: rgba(255, 255, 255, 0.05);

    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

    /* Spacing */
    --section-padding: 100px;
    --container-max-width: 1200px;

    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;

    /* Border Radius */
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 30px;

    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 40px var(--color-primary-glow);
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

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

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

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition-base);
}

ul {
    list-style: none;
}

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

/* Container */
.container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 24px;
}

/* ============================================
   Navigation
   ============================================ */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 20px 0;
    transition: var(--transition-base);
}

.navbar.scrolled {
    background: rgba(10, 10, 15, 0.95);
    backdrop-filter: blur(20px);
    padding: 12px 0;
    border-bottom: 1px solid var(--color-border);
}

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

.logo {
    font-size: 1.75rem;
    font-weight: 800;
    letter-spacing: -0.02em;
}

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

.logo-led {
    color: var(--color-accent);
    position: relative;
}

.logo-led::after {
    content: '';
    position: absolute;
    bottom: 2px;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--color-accent);
    border-radius: 2px;
    box-shadow: 0 0 10px var(--color-accent);
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-menu a {
    color: var(--color-text-secondary);
    font-size: 0.9rem;
    font-weight: 500;
    transition: var(--transition-fast);
}

.nav-menu a:hover {
    color: var(--color-text-primary);
}

.nav-cta {
    background: var(--color-primary);
    color: var(--color-text-primary) !important;
    padding: 10px 20px;
    border-radius: var(--radius-sm);
    font-weight: 600;
}

.nav-cta:hover {
    background: var(--color-primary-dark);
    transform: translateY(-2px);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 5px;
}

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

/* ============================================
   Hero Section
   ============================================ */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    padding-top: 80px;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: -1;
}

.hero-gradient {
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at 30% 20%, rgba(59, 130, 246, 0.15) 0%, transparent 50%),
                radial-gradient(ellipse at 70% 80%, rgba(245, 158, 11, 0.1) 0%, transparent 50%);
}

.hero-grid {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse at center, black 30%, transparent 70%);
}

.hero-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-content {
    max-width: 600px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: rgba(245, 158, 11, 0.1);
    border: 1px solid rgba(245, 158, 11, 0.3);
    padding: 8px 16px;
    border-radius: var(--radius-xl);
    font-size: 0.875rem;
    color: var(--color-accent);
    margin-bottom: 24px;
}

.badge-icon {
    font-size: 1.25rem;
}

.hero-title {
    font-size: clamp(2.5rem, 5vw, 3.5rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 24px;
    letter-spacing: -0.02em;
}

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

.hero-subtitle {
    font-size: 1.125rem;
    color: var(--color-text-secondary);
    margin-bottom: 32px;
    max-width: 500px;
}

.hero-ctas {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 48px;
}

.hero-stats {
    display: flex;
    align-items: center;
    gap: 32px;
}

.stat {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--color-text-primary);
}

.stat-label {
    font-size: 0.875rem;
    color: var(--color-text-muted);
}

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

/* Dashboard Mockup */
.hero-visual {
    position: relative;
}

.dashboard-mockup {
    background: var(--color-bg-card);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
    overflow: hidden;
    box-shadow: var(--shadow-lg), var(--shadow-glow);
    animation: float 6s ease-in-out infinite;
}

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

.mockup-header {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    background: var(--color-bg-tertiary);
    border-bottom: 1px solid var(--color-border);
}

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

.mockup-dots span {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--color-border);
}

.mockup-dots span:first-child { background: #ef4444; }
.mockup-dots span:nth-child(2) { background: #f59e0b; }
.mockup-dots span:nth-child(3) { background: #10b981; }

.mockup-title {
    font-size: 0.75rem;
    color: var(--color-text-muted);
    margin-left: auto;
}

.mockup-content {
    display: flex;
    padding: 20px;
    gap: 20px;
}

.mockup-sidebar {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.sidebar-item {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-sm);
    background: var(--color-bg-tertiary);
}

.sidebar-item.active {
    background: var(--color-primary);
}

.mockup-main {
    flex: 1;
}

.mockup-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
    margin-bottom: 16px;
}

.mini-card {
    padding: 12px;
    border-radius: var(--radius-sm);
    background: var(--color-bg-tertiary);
    text-align: center;
}

.mini-card.green { background: rgba(16, 185, 129, 0.1); border: 1px solid rgba(16, 185, 129, 0.2); }
.mini-card.blue { background: rgba(59, 130, 246, 0.1); border: 1px solid rgba(59, 130, 246, 0.2); }
.mini-card.purple { background: rgba(139, 92, 246, 0.1); border: 1px solid rgba(139, 92, 246, 0.2); }

.mini-icon {
    font-size: 1.25rem;
    display: block;
    margin-bottom: 4px;
}

.mini-value {
    display: block;
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--color-text-primary);
}

.mini-label {
    font-size: 0.65rem;
    color: var(--color-text-muted);
}

.mockup-chart {
    background: var(--color-bg-tertiary);
    border-radius: var(--radius-sm);
    padding: 16px;
    height: 120px;
}

.chart-bars {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    height: 100%;
    gap: 8px;
}

.chart-bars .bar {
    flex: 1;
    background: linear-gradient(180deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    border-radius: 4px 4px 0 0;
    animation: barGrow 1s ease-out forwards;
}

@keyframes barGrow {
    from { transform: scaleY(0); }
    to { transform: scaleY(1); }
}

.hero-scroll {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
}

.hero-scroll a {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    color: var(--color-text-muted);
    font-size: 0.875rem;
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(8px); }
}

/* ============================================
   Buttons
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 0.9rem;
    transition: var(--transition-base);
    cursor: pointer;
}

.btn-lg {
    padding: 16px 32px;
    font-size: 1rem;
}

.btn-full {
    width: 100%;
}

.btn-primary {
    background: var(--color-primary);
    color: white;
    border: none;
}

.btn-primary:hover {
    background: var(--color-primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}

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

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

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

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

/* ============================================
   Section Header
   ============================================ */
.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 60px;
}

.section-badge {
    display: inline-block;
    background: rgba(59, 130, 246, 0.1);
    color: var(--color-primary-light);
    padding: 6px 16px;
    border-radius: var(--radius-xl);
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 16px;
}

.section-title {
    font-size: clamp(2rem, 4vw, 2.75rem);
    font-weight: 800;
    margin-bottom: 16px;
    letter-spacing: -0.02em;
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--color-text-secondary);
}

/* ============================================
   Problems Section
   ============================================ */
.problems {
    padding: var(--section-padding) 0;
    background: var(--color-bg-secondary);
}

.problems-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 24px;
}

.problem-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 32px;
    transition: var(--transition-base);
}

.problem-card:hover {
    border-color: var(--color-primary);
    transform: translateY(-4px);
}

.problem-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(239, 68, 68, 0.1);
    border-radius: var(--radius-md);
    margin-bottom: 20px;
    color: #ef4444;
}

.problem-card h3 {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 12px;
}

.problem-card p {
    color: var(--color-text-secondary);
    font-size: 0.95rem;
}

.problem-card.highlight-card {
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.1) 0%, rgba(16, 185, 129, 0.1) 100%);
    border-color: var(--color-primary);
}

.problem-card.highlight-card .problem-icon {
    background: rgba(16, 185, 129, 0.1);
    color: var(--color-success);
}

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

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
}

.feature-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 32px;
    transition: var(--transition-base);
}

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

.feature-icon {
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    border-radius: var(--radius-md);
    margin-bottom: 20px;
    font-size: 1.75rem;
}

.feature-card h3 {
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 16px;
}

.feature-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.feature-list li {
    color: var(--color-text-secondary);
    font-size: 0.9rem;
    padding-left: 20px;
    position: relative;
}

.feature-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 8px;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--color-primary);
}

.feature-list li strong {
    color: var(--color-text-primary);
}

/* ============================================
   How It Works Section
   ============================================ */
.how-it-works {
    padding: var(--section-padding) 0;
    background: var(--color-bg-secondary);
}

.steps-container {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0;
    flex-wrap: wrap;
}

.step {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 40px;
    max-width: 300px;
    position: relative;
}

.step-number {
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    border-radius: 50%;
    font-size: 1.5rem;
    font-weight: 800;
    margin-bottom: 24px;
    box-shadow: var(--shadow-glow);
}

.step-content h3 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 12px;
}

.step-content p {
    color: var(--color-text-secondary);
    font-size: 0.95rem;
}

.step-icon {
    position: absolute;
    bottom: 20px;
    opacity: 0.1;
    color: var(--color-primary);
}

.step-connector {
    width: 80px;
    height: 2px;
    background: linear-gradient(90deg, var(--color-primary) 0%, var(--color-primary-glow) 100%);
    position: relative;
}

.step-connector::after {
    content: '';
    position: absolute;
    right: -4px;
    top: 50%;
    transform: translateY(-50%);
    border: 6px solid transparent;
    border-left-color: var(--color-primary);
}

/* ============================================
   Benefits Section
   ============================================ */
.benefits {
    padding: var(--section-padding) 0;
}

.benefits-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.device-frame {
    background: var(--color-bg-card);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.device-screen {
    padding: 24px;
}

.screen-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--color-border);
}

.screen-logo {
    font-weight: 700;
    color: var(--color-primary);
}

.screen-user {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
}

.screen-stat {
    text-align: center;
    margin-bottom: 24px;
}

.screen-stat-value {
    display: block;
    font-size: 2.5rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--color-success) 0%, var(--color-primary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.screen-stat-label {
    color: var(--color-text-muted);
    font-size: 0.9rem;
}

.screen-mini-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
}

.mini-stat {
    background: var(--color-bg-tertiary);
    padding: 16px;
    border-radius: var(--radius-sm);
    text-align: center;
}

.mini-stat span {
    display: block;
    font-weight: 600;
    margin-bottom: 4px;
}

.mini-stat small {
    color: var(--color-text-muted);
    font-size: 0.75rem;
}

.benefits-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.benefit-item {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    padding: 20px;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    transition: var(--transition-base);
}

.benefit-item:hover {
    border-color: var(--color-primary);
    transform: translateX(8px);
}

.benefit-check {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(16, 185, 129, 0.1);
    border-radius: 50%;
    color: var(--color-success);
    flex-shrink: 0;
}

.benefit-text strong {
    display: block;
    font-weight: 600;
    margin-bottom: 4px;
}

.benefit-text span {
    color: var(--color-text-secondary);
    font-size: 0.9rem;
}

/* ============================================
   Pricing Section
   ============================================ */
.pricing {
    padding: var(--section-padding) 0;
    background: var(--color-bg-secondary);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 24px;
    max-width: 1000px;
    margin: 0 auto;
}

.pricing-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 40px;
    position: relative;
    transition: var(--transition-base);
}

.pricing-card:hover {
    transform: translateY(-8px);
}

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

.pricing-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: white;
    padding: 6px 20px;
    border-radius: var(--radius-xl);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
}

.pricing-header {
    text-align: center;
    margin-bottom: 24px;
}

.pricing-header h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 8px;
}

.pricing-header p {
    color: var(--color-text-secondary);
    font-size: 0.9rem;
}

.pricing-price {
    text-align: center;
    margin-bottom: 32px;
}

.price-amount {
    font-size: 3rem;
    font-weight: 800;
}

.price-currency {
    font-size: 1.25rem;
    color: var(--color-text-secondary);
}

.price-period {
    color: var(--color-text-muted);
    font-size: 0.9rem;
}

.pricing-features {
    margin-bottom: 32px;
}

.pricing-features li {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 0;
    border-bottom: 1px solid var(--color-border-light);
    color: var(--color-text-secondary);
}

.pricing-features li svg {
    color: var(--color-success);
    flex-shrink: 0;
}

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

/* ============================================
   Social Proof Section
   ============================================ */
.social-proof {
    padding: var(--section-padding) 0;
}

.proof-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    max-width: 800px;
    margin: 0 auto 60px;
    text-align: center;
}

.proof-stat {
    padding: 20px;
}

.proof-number {
    display: block;
    font-size: 3rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.proof-number::after {
    content: '+';
    -webkit-text-fill-color: var(--color-accent);
}

.proof-label {
    color: var(--color-text-secondary);
    font-size: 0.95rem;
    margin-top: 8px;
    display: block;
}

.testimonials-slider {
    max-width: 700px;
    margin: 0 auto;
}

.testimonial {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 40px;
    text-align: center;
}

.testimonial-content p {
    font-size: 1.15rem;
    line-height: 1.8;
    color: var(--color-text-secondary);
    font-style: italic;
    margin-bottom: 24px;
}

.testimonial-content p::before,
.testimonial-content p::after {
    content: '"';
    color: var(--color-primary);
}

.testimonial-author {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
}

.author-avatar {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    border-radius: 50%;
    font-weight: 700;
}

.author-info {
    text-align: left;
}

.author-info strong {
    display: block;
    font-weight: 600;
}

.author-info span {
    color: var(--color-text-muted);
    font-size: 0.875rem;
}

/* ============================================
   FAQ Section
   ============================================ */
.faq {
    padding: var(--section-padding) 0;
    background: var(--color-bg-secondary);
}

.faq-grid {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.faq-item {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: var(--transition-base);
}

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

.faq-item.active {
    border-color: var(--color-primary);
}

.faq-question {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 24px;
    text-align: left;
    color: var(--color-text-primary);
    font-weight: 600;
    font-size: 1rem;
    background: transparent;
    cursor: pointer;
    transition: var(--transition-base);
}

.faq-question svg {
    color: var(--color-text-muted);
    transition: var(--transition-base);
    flex-shrink: 0;
}

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

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

.faq-item.active .faq-answer {
    max-height: 300px;
}

.faq-answer p {
    padding: 0 24px 24px;
    color: var(--color-text-secondary);
    line-height: 1.7;
}

/* ============================================
   CTA Section
   ============================================ */
.cta-section {
    padding: var(--section-padding) 0;
    position: relative;
    overflow: hidden;
}

.cta-bg {
    position: absolute;
    inset: 0;
    z-index: -1;
}

.cta-gradient {
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at center, rgba(59, 130, 246, 0.2) 0%, transparent 60%);
}

.cta-content {
    text-align: center;
    margin-bottom: 48px;
}

.cta-content h2 {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 800;
    margin-bottom: 16px;
    letter-spacing: -0.02em;
}

.cta-content p {
    color: var(--color-text-secondary);
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto;
}

.cta-form-container {
    max-width: 600px;
    margin: 0 auto;
}

.contact-form {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 40px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-text-secondary);
    margin-bottom: 8px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 14px 16px;
    background: var(--color-bg-tertiary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    color: var(--color-text-primary);
    font-size: 1rem;
    font-family: inherit;
    transition: var(--transition-base);
}

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

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--color-primary-glow);
}

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

.form-success {
    display: none;
    text-align: center;
    padding: 60px 40px;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
}

.form-success.show {
    display: block;
}

.form-success .success-icon {
    color: var(--color-success);
    margin-bottom: 24px;
}

.form-success h3 {
    font-size: 1.5rem;
    margin-bottom: 12px;
}

.form-success p {
    color: var(--color-text-secondary);
}

/* ============================================
   Footer
   ============================================ */
.footer {
    background: var(--color-bg-secondary);
    border-top: 1px solid var(--color-border);
    padding: 60px 0 30px;
}

.footer-main {
    display: grid;
    grid-template-columns: 1.5fr 2fr;
    gap: 60px;
    margin-bottom: 40px;
}

.footer-brand p {
    color: var(--color-text-secondary);
    margin: 16px 0 24px;
    max-width: 300px;
    font-size: 0.95rem;
}

.footer-social {
    display: flex;
    gap: 12px;
}

.footer-social a {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-bg-tertiary);
    border-radius: var(--radius-sm);
    color: var(--color-text-secondary);
    transition: var(--transition-base);
}

.footer-social a:hover {
    background: var(--color-primary);
    color: white;
    transform: translateY(-4px);
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

.footer-column h4 {
    font-size: 0.9rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-text-primary);
    margin-bottom: 20px;
}

.footer-column ul {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-column a,
.footer-column li {
    color: var(--color-text-secondary);
    font-size: 0.9rem;
    transition: var(--transition-fast);
}

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

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 30px;
    border-top: 1px solid var(--color-border);
    font-size: 0.875rem;
    color: var(--color-text-muted);
}

.footer-legal {
    display: flex;
    gap: 24px;
}

.footer-legal a {
    color: var(--color-text-muted);
}

.footer-legal a:hover {
    color: var(--color-text-secondary);
}

/* ============================================
   Animations
   ============================================ */
[data-aos] {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

[data-aos].aos-animate {
    opacity: 1;
    transform: translateY(0);
}

[data-aos="fade-right"] {
    transform: translateX(-30px);
}

[data-aos="fade-right"].aos-animate {
    transform: translateX(0);
}

[data-aos="fade-left"] {
    transform: translateX(30px);
}

[data-aos="fade-left"].aos-animate {
    transform: translateX(0);
}

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

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

    .hero-subtitle {
        margin-left: auto;
        margin-right: auto;
    }

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

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

    .hero-visual {
        display: none;
    }

    .benefits-container {
        grid-template-columns: 1fr;
    }

    .benefits-visual {
        order: 2;
    }

    .footer-main {
        grid-template-columns: 1fr;
        gap: 40px;
    }
}

@media (max-width: 768px) {
    :root {
        --section-padding: 60px;
    }

    .nav-toggle {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 280px;
        height: 100vh;
        background: var(--color-bg-secondary);
        flex-direction: column;
        padding: 80px 24px 24px;
        gap: 0;
        transition: right var(--transition-base);
        border-left: 1px solid var(--color-border);
    }

    .nav-menu.active {
        right: 0;
    }

    .nav-menu li {
        width: 100%;
    }

    .nav-menu a {
        display: block;
        padding: 16px 0;
        border-bottom: 1px solid var(--color-border);
    }

    .nav-cta {
        margin-top: 20px;
        text-align: center;
    }

    .nav-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }

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

    .nav-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(5px, -5px);
    }

    .hero-title {
        font-size: 2rem;
    }

    .hero-stats {
        flex-direction: column;
        gap: 20px;
    }

    .stat-divider {
        width: 40px;
        height: 1px;
    }

    .hero-scroll {
        display: none;
    }

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

    .steps-container {
        flex-direction: column;
    }

    .step-connector {
        width: 2px;
        height: 40px;
        background: linear-gradient(180deg, var(--color-primary) 0%, var(--color-primary-glow) 100%);
    }

    .step-connector::after {
        right: auto;
        top: auto;
        bottom: -4px;
        left: 50%;
        transform: translateX(-50%);
        border: 6px solid transparent;
        border-top-color: var(--color-primary);
        border-left-color: transparent;
    }

    .proof-stats {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .proof-number {
        font-size: 2.5rem;
    }

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

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

    .footer-links {
        grid-template-columns: 1fr 1fr;
        gap: 30px;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 16px;
        text-align: center;
    }

    .footer-legal {
        flex-wrap: wrap;
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }

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

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

    .btn-lg {
        padding: 14px 24px;
    }

    .section-title {
        font-size: 1.75rem;
    }

    .contact-form {
        padding: 24px;
    }

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

/* ============================================
   Language Switcher
   ============================================ */
.lang-switcher {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-left: 16px;
    padding-left: 16px;
    border-left: 1px solid var(--color-border);
}

.lang-btn {
    padding: 6px 10px;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--color-text-muted);
    background: transparent;
    border: 1px solid transparent;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: var(--transition-fast);
}

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

.lang-btn.active {
    color: var(--color-primary);
    background: rgba(59, 130, 246, 0.1);
    border-color: var(--color-primary);
}

.lang-divider {
    color: var(--color-border);
    font-size: 0.8rem;
}

/* ============================================
   Form Errors & Validation
   ============================================ */
.form-honeypot {
    position: absolute;
    left: -9999px;
    top: -9999px;
    opacity: 0;
    height: 0;
    width: 0;
    overflow: hidden;
    pointer-events: none;
}

.form-error {
    display: block;
    font-size: 0.8rem;
    color: var(--color-error);
    margin-top: 6px;
    min-height: 0;
    opacity: 0;
    transform: translateY(-5px);
    transition: all var(--transition-fast);
}

.form-error.visible {
    opacity: 1;
    transform: translateY(0);
    min-height: 1.2em;
}

.form-group input.error,
.form-group textarea.error {
    border-color: var(--color-error);
    background: rgba(239, 68, 68, 0.05);
}

.form-group input.error:focus,
.form-group textarea.error:focus {
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.2);
}

.form-error-general {
    text-align: center;
    padding: 12px 16px;
    margin-bottom: 20px;
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.3);
    border-radius: var(--radius-sm);
    color: var(--color-error);
    font-size: 0.9rem;
    display: none;
}

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

/* Spinner animation for form submit */
.spinner {
    animation: spin 1s linear infinite;
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* ============================================
   Responsive - Language Switcher
   ============================================ */
@media (max-width: 768px) {
    .lang-switcher {
        margin-left: 0;
        padding-left: 0;
        border-left: none;
        padding-top: 20px;
        border-top: 1px solid var(--color-border);
        justify-content: center;
    }

    .lang-btn {
        padding: 10px 20px;
        font-size: 0.9rem;
    }
}

/* Print Styles */
@media print {
    .navbar,
    .hero-scroll,
    .cta-section,
    .footer-social,
    .lang-switcher {
        display: none;
    }

    body {
        background: white;
        color: black;
    }
}