/**
 * AIBot.Direct - Dark Theme Stylesheet
 * Mobile-First | Bold Tech Aesthetic
 */

/* ==================== CSS Variables ==================== */
:root {
    /* Primary Colors - Bold Tech Palette (Green, Yellow, Red) */
    --color-primary: #22C55E;
    --color-primary-dark: #16A34A;
    --color-primary-light: #4ADE80;
    --color-secondary: #EAB308;
    --color-accent: #EF4444;

    /* Dark Theme Backgrounds */
    --color-bg: #0A0A0F;
    --color-bg-alt: #12121A;
    --color-bg-elevated: #1A1A24;
    --color-bg-card: #15151F;

    /* Dark Theme Text */
    --color-text: #F1F5F9;
    --color-text-secondary: #94A3B8;
    --color-text-muted: #64748B;
    --color-border: #2A2A3A;
    --color-border-light: #1F1F2E;

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

    /* Glow Effects */
    --glow-primary: 0 0 20px rgba(34, 197, 94, 0.4);
    --glow-primary-strong: 0 0 30px rgba(34, 197, 94, 0.6);
    --glow-secondary: 0 0 20px rgba(234, 179, 8, 0.4);
    --glow-accent: 0 0 20px rgba(239, 68, 68, 0.4);

    /* Typography */
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

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

    /* Borders */
    --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 / 0.3);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.4), 0 2px 4px -2px rgb(0 0 0 / 0.3);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.5), 0 4px 6px -4px rgb(0 0 0 / 0.4);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.5), 0 8px 10px -6px rgb(0 0 0 / 0.4);

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

    /* Container - Mobile First */
    --container-max: 1200px;
    --container-padding: 1rem;
}

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-sans);
    font-size: 1rem;
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-bg);
    min-height: 100vh;
}

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

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

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

ul, ol {
    list-style: none;
}

::selection {
    background: var(--color-primary);
    color: white;
}

/* ==================== Typography ==================== */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    color: var(--color-text);
}

h1 {
    font-size: clamp(2rem, 8vw, 3.5rem);
    letter-spacing: -0.03em;
    font-weight: 800;
}

h2 {
    font-size: clamp(1.5rem, 6vw, 2.5rem);
    letter-spacing: -0.02em;
    margin-bottom: var(--space-lg);
}

h3 {
    font-size: clamp(1.25rem, 4vw, 1.75rem);
    letter-spacing: -0.01em;
}

h4 {
    font-size: 1.25rem;
}

p {
    margin-bottom: var(--space-md);
    color: var(--color-text-secondary);
}

.lead {
    font-size: 1.125rem;
    color: var(--color-text-secondary);
    line-height: 1.7;
}

.text-gradient {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 50%, var(--color-accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.text-glow {
    text-shadow: var(--glow-primary);
}

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

.section {
    padding: var(--space-3xl) 0;
}

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

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

.grid {
    display: grid;
    gap: var(--space-lg);
}

/* Mobile-first: single column by default */
.grid-2,
.grid-3,
.grid-4 {
    grid-template-columns: 1fr;
}

/* ==================== Header & Navigation ==================== */
.header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(10, 10, 15, 0.9);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--color-border-light);
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--color-text);
}

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

.logo-dot {
    color: var(--color-primary-light);
    text-shadow: var(--glow-primary);
}

/* Mobile: hide menu, show toggle */
.nav-menu {
    display: none;
    flex-direction: column;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    padding: var(--space-lg);
    background: var(--color-bg-elevated);
    border-bottom: 1px solid var(--color-border);
    box-shadow: var(--shadow-lg);
}

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

.nav-item {
    position: relative;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    padding: var(--space-sm) var(--space-md);
    color: var(--color-text-secondary);
    font-weight: 500;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.nav-link:hover,
.nav-link.active {
    color: var(--color-primary-light);
    background: rgba(34, 197, 94, 0.1);
}

.dropdown-arrow {
    transition: transform var(--transition-fast);
}

.nav-item:hover .dropdown-arrow {
    transform: rotate(180deg);
}

.dropdown-menu {
    position: static;
    min-width: auto;
    padding: var(--space-sm) 0 var(--space-sm) var(--space-lg);
    background: transparent;
    border: none;
    border-radius: 0;
    box-shadow: none;
    opacity: 1;
    visibility: visible;
    transform: none;
}

.dropdown-menu a {
    display: block;
    padding: var(--space-sm) var(--space-md);
    color: var(--color-text-muted);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.dropdown-menu a:hover {
    color: var(--color-primary-light);
    background: rgba(34, 197, 94, 0.1);
}

.nav-actions {
    display: none;
    align-items: center;
    gap: var(--space-md);
}

.nav-toggle {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 32px;
    height: 32px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}

.nav-toggle span {
    display: block;
    width: 100%;
    height: 2px;
    background: var(--color-text);
    border-radius: var(--radius-full);
    transition: all var(--transition-fast);
}

.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);
}

/* ==================== Buttons ==================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: 0.875rem 1.5rem;
    font-size: 0.9375rem;
    font-weight: 600;
    line-height: 1;
    border: none;
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-fast);
    text-align: center;
}

.btn-primary {
    color: white;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    box-shadow: var(--glow-primary);
}

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

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

.btn-secondary:hover {
    color: var(--color-primary-light);
    border-color: var(--color-primary);
    background: rgba(34, 197, 94, 0.1);
}

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

.btn-outline:hover {
    color: var(--color-primary-light);
    border-color: var(--color-primary);
    background: rgba(34, 197, 94, 0.05);
}

.btn-glow {
    position: relative;
    overflow: hidden;
}

.btn-glow::before {
    content: '';
    position: absolute;
    inset: -2px;
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary), var(--color-accent));
    border-radius: inherit;
    z-index: -1;
    opacity: 0;
    transition: opacity var(--transition-base);
}

.btn-glow:hover::before {
    opacity: 1;
    animation: glow-pulse 2s ease-in-out infinite;
}

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

.btn-large {
    padding: 1rem 2rem;
    font-size: 1rem;
}

.btn-full {
    width: 100%;
}

.btn-icon {
    padding: 0.75rem;
}

/* ==================== Hero Section ==================== */
.hero {
    padding: var(--space-3xl) 0;
    background: radial-gradient(ellipse at top, var(--color-bg-alt) 0%, var(--color-bg) 70%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle at 30% 30%, rgba(34, 197, 94, 0.08) 0%, transparent 50%),
                radial-gradient(circle at 70% 70%, rgba(234, 179, 8, 0.06) 0%, transparent 50%);
    animation: hero-bg 20s ease-in-out infinite;
}

@keyframes hero-bg {
    0%, 100% { transform: translate(0, 0); }
    50% { transform: translate(-5%, -5%); }
}

.hero-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
    align-items: center;
    position: relative;
    z-index: 1;
}

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

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: 0.5rem 1rem;
    margin-bottom: var(--space-lg);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-primary-light);
    background: rgba(34, 197, 94, 0.15);
    border: 1px solid rgba(34, 197, 94, 0.3);
    border-radius: var(--radius-full);
}

.hero h1 {
    margin-bottom: var(--space-lg);
}

.hero .lead {
    margin-bottom: var(--space-xl);
    font-size: 1.125rem;
}

.hero-actions {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.hero-image {
    position: relative;
    order: -1;
}

.hero-image img {
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl), var(--glow-primary);
}

/* ==================== Cards ==================== */
.card {
    padding: var(--space-lg);
    background: var(--color-bg-card);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-xl);
    transition: all var(--transition-base);
}

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

.card-glow:hover {
    box-shadow: var(--shadow-lg), var(--glow-primary);
}

.card-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    margin-bottom: var(--space-md);
    background: linear-gradient(135deg, rgba(34, 197, 94, 0.2) 0%, rgba(234, 179, 8, 0.2) 100%);
    border-radius: var(--radius-lg);
    color: var(--color-primary-light);
}

.card h3 {
    margin-bottom: var(--space-sm);
    font-size: 1.125rem;
}

.card p {
    color: var(--color-text-muted);
    margin-bottom: 0;
    font-size: 0.9375rem;
}

/* Feature Cards */
.feature-card {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
    padding: var(--space-lg);
}

.feature-card .card-icon {
    margin-bottom: 0;
}

/* ==================== Stats ==================== */
.stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-lg);
    text-align: center;
}

.stat-item {
    padding: var(--space-lg);
    background: var(--color-bg-card);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-lg);
}

.stat-value {
    font-size: 2rem;
    font-weight: 800;
    color: var(--color-primary-light);
    line-height: 1;
    margin-bottom: var(--space-xs);
    text-shadow: var(--glow-primary);
}

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

/* ==================== Pricing ==================== */
.pricing-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-lg);
}

.pricing-card {
    position: relative;
    padding: var(--space-xl);
    background: var(--color-bg-card);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-xl);
}

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

.pricing-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    padding: 0.375rem 1rem;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: white;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    border-radius: var(--radius-full);
    white-space: nowrap;
}

.pricing-title {
    font-size: 1.125rem;
    margin-bottom: var(--space-sm);
    text-align: center;
}

.pricing-price {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--color-text);
    line-height: 1;
    text-align: center;
    margin-bottom: var(--space-lg);
}

.pricing-price span {
    font-size: 1rem;
    font-weight: 400;
    color: var(--color-text-muted);
}

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

.pricing-features li {
    display: flex;
    align-items: flex-start;
    gap: var(--space-sm);
    padding: var(--space-sm) 0;
    color: var(--color-text-secondary);
    font-size: 0.9375rem;
}

.pricing-features li::before {
    content: '';
    flex-shrink: 0;
    width: 20px;
    height: 20px;
    margin-top: 2px;
    background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20' fill='%2310B981'%3E%3Cpath fill-rule='evenodd' d='M16.707 5.293a1 1 0 010 1.414l-8 8a1 1 0 01-1.414 0l-4-4a1 1 0 011.414-1.414L8 12.586l7.293-7.293a1 1 0 011.414 0z' clip-rule='evenodd'/%3E%3C/svg%3E") no-repeat center;
}

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

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

.faq-question {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-md);
    width: 100%;
    padding: var(--space-lg) 0;
    font-size: 1rem;
    font-weight: 600;
    text-align: left;
    color: var(--color-text);
    background: none;
    border: none;
    cursor: pointer;
}

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

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

.faq-item.active .faq-question svg {
    transform: rotate(45deg);
    color: var(--color-primary-light);
}

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

.faq-item.active .faq-answer {
    max-height: 500px;
}

.faq-answer p {
    padding-bottom: var(--space-lg);
    color: var(--color-text-muted);
}

/* ==================== Footer ==================== */
.footer {
    padding: var(--space-3xl) 0 var(--space-xl);
    background: var(--color-bg-alt);
    border-top: 1px solid var(--color-border-light);
}

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

.footer-brand .logo {
    margin-bottom: var(--space-md);
}

.footer-description {
    color: var(--color-text-muted);
    margin-bottom: var(--space-lg);
    font-size: 0.9375rem;
}

.footer-social {
    display: flex;
    gap: var(--space-sm);
}

.footer-social a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    color: var(--color-text-muted);
    background: var(--color-bg-elevated);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.footer-social a:hover {
    color: var(--color-primary-light);
    border-color: var(--color-primary);
    box-shadow: var(--glow-primary);
}

.footer-nav h4 {
    color: var(--color-text);
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--space-md);
}

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

.footer-nav a {
    color: var(--color-text-muted);
    font-size: 0.9375rem;
    transition: color var(--transition-fast);
}

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

.footer-bottom {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
    padding-top: var(--space-xl);
    border-top: 1px solid var(--color-border-light);
    color: var(--color-text-muted);
    font-size: 0.875rem;
    text-align: center;
}

.footer-author {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
}

.author-avatar {
    border-radius: var(--radius-full);
    border: 2px solid var(--color-primary);
    box-shadow: var(--glow-primary);
}

/* ==================== Article Content ==================== */
.article {
    max-width: 800px;
    margin: 0 auto;
}

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

.article-meta {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--space-md);
    margin-top: var(--space-md);
    color: var(--color-text-muted);
    font-size: 0.875rem;
}

.article-content h2 {
    margin: var(--space-2xl) 0 var(--space-md);
    padding-top: var(--space-lg);
    border-top: 1px solid var(--color-border-light);
}

.article-content h2:first-child {
    margin-top: 0;
    padding-top: 0;
    border-top: none;
}

.article-content h3 {
    margin: var(--space-xl) 0 var(--space-md);
}

.article-content p {
    margin-bottom: var(--space-md);
    color: var(--color-text-secondary);
}

.article-content ul,
.article-content ol {
    margin-bottom: var(--space-lg);
    padding-left: var(--space-xl);
}

.article-content li {
    margin-bottom: var(--space-sm);
    list-style: disc;
    color: var(--color-text-secondary);
}

.article-content ol li {
    list-style: decimal;
}

.article-content blockquote {
    margin: var(--space-xl) 0;
    padding: var(--space-lg);
    background: var(--color-bg-elevated);
    border-left: 4px solid var(--color-primary);
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

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

.article-content pre {
    margin: var(--space-xl) 0;
    padding: var(--space-lg);
    background: var(--color-bg-elevated);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-lg);
    overflow-x: auto;
}

.article-content code {
    font-family: var(--font-mono);
    font-size: 0.9em;
}

.article-content pre code {
    color: var(--color-text-secondary);
}

.article-content :not(pre) > code {
    padding: 0.2em 0.4em;
    background: var(--color-bg-elevated);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-sm);
    color: var(--color-primary-light);
}

/* Table of Contents */
.toc {
    padding: var(--space-lg);
    margin-bottom: var(--space-2xl);
    background: var(--color-bg-elevated);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-lg);
}

.toc h4 {
    margin-bottom: var(--space-md);
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.toc ul {
    padding-left: var(--space-lg);
}

.toc li {
    margin-bottom: var(--space-xs);
    list-style: decimal;
    color: var(--color-text-muted);
}

.toc a {
    color: var(--color-text-secondary);
}

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

/* ==================== CTA Section ==================== */
.cta {
    text-align: center;
    padding: var(--space-2xl);
    background: linear-gradient(135deg, rgba(34, 197, 94, 0.2) 0%, rgba(234, 179, 8, 0.2) 100%);
    border: 1px solid rgba(34, 197, 94, 0.3);
    border-radius: var(--radius-xl);
    position: relative;
    overflow: hidden;
}

.cta::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at center, rgba(34, 197, 94, 0.1) 0%, transparent 70%);
}

.cta h2 {
    position: relative;
    margin-bottom: var(--space-md);
}

.cta p {
    position: relative;
    color: var(--color-text-secondary);
    margin-bottom: var(--space-xl);
}

.cta .btn {
    position: relative;
}

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

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

.form-input,
.form-textarea {
    width: 100%;
    padding: 0.875rem 1rem;
    font-family: inherit;
    font-size: 1rem;
    color: var(--color-text);
    background: var(--color-bg-elevated);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    transition: all var(--transition-fast);
}

.form-input:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(34, 197, 94, 0.2);
}

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

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

/* ==================== Responsive - Tablet+ ==================== */
@media (min-width: 640px) {
    :root {
        --container-padding: 1.5rem;
    }

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

    .lead {
        font-size: 1.25rem;
    }

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

    .hero-actions {
        flex-direction: row;
        justify-content: center;
    }

    .btn-full-mobile {
        width: auto;
    }

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

    .footer-bottom {
        flex-direction: row;
        justify-content: space-between;
        text-align: left;
    }

    .feature-card {
        flex-direction: row;
        align-items: flex-start;
    }
}

/* ==================== Responsive - Desktop ==================== */
@media (min-width: 768px) {
    .nav {
        height: 72px;
    }

    .nav-toggle {
        display: none;
    }

    .nav-menu {
        display: flex;
        flex-direction: row;
        position: static;
        padding: 0;
        background: transparent;
        border: none;
        box-shadow: none;
        gap: var(--space-sm);
    }

    .nav-actions {
        display: flex;
    }

    .dropdown-menu {
        position: absolute;
        top: 100%;
        left: 0;
        min-width: 220px;
        padding: var(--space-sm);
        background: var(--color-bg-elevated);
        border: 1px solid var(--color-border);
        border-radius: var(--radius-lg);
        box-shadow: var(--shadow-lg);
        opacity: 0;
        visibility: hidden;
        transform: translateY(10px);
        transition: all var(--transition-base);
    }

    .nav-item:hover .dropdown-menu {
        opacity: 1;
        visibility: visible;
        transform: translateY(0);
    }

    .hero {
        padding: var(--space-4xl) 0;
    }

    .hero-grid {
        grid-template-columns: 1fr 1fr;
        gap: var(--space-3xl);
    }

    .hero-content {
        text-align: left;
    }

    .hero-actions {
        justify-content: flex-start;
    }

    .hero-image {
        order: 0;
    }

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

    .faq-question {
        font-size: 1.125rem;
    }

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

    .footer-bottom {
        flex-direction: row;
        justify-content: space-between;
    }
}

/* ==================== Responsive - Large Desktop ==================== */
@media (min-width: 1024px) {
    .grid-3 {
        grid-template-columns: repeat(3, 1fr);
    }

    .grid-4 {
        grid-template-columns: repeat(4, 1fr);
    }

    .stats {
        grid-template-columns: repeat(4, 1fr);
    }

    .pricing-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .footer-grid {
        grid-template-columns: 2fr repeat(4, 1fr);
    }
}

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

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: var(--space-md); }
.mb-2 { margin-bottom: var(--space-lg); }
.mb-3 { margin-bottom: var(--space-xl); }
.mb-4 { margin-bottom: var(--space-2xl); }

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: var(--space-md); }
.mt-2 { margin-top: var(--space-lg); }
.mt-3 { margin-top: var(--space-xl); }
.mt-4 { margin-top: var(--space-2xl); }

.pt-0 { padding-top: 0; }
.pb-0 { padding-bottom: 0; }

.hidden { display: none; }

.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;
}

/* Animation Classes */
.fade-in {
    animation: fadeIn 0.5s ease-out;
}

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

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

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

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

::-webkit-scrollbar-thumb:hover {
    background: var(--color-text-muted);
}

/* ==================== SEO Content Blocks ==================== */
.seo-block {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-xl);
    padding: var(--space-xl);
    margin-bottom: var(--space-xl);
}

.seo-block-header {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    margin-bottom: var(--space-md);
}

.seo-icon {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, rgba(34, 197, 94, 0.2) 0%, rgba(234, 179, 8, 0.2) 100%);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-primary-light);
}

.seo-block h3 {
    margin: 0;
    font-size: 1.25rem;
}

.seo-block p {
    margin: 0;
    color: var(--color-text-secondary);
}

.seo-section-title {
    text-align: center;
    margin: var(--space-2xl) 0 var(--space-lg);
    font-size: 1.5rem;
}

.seo-highlight-block {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-xl);
    background: linear-gradient(135deg, rgba(34, 197, 94, 0.1) 0%, rgba(234, 179, 8, 0.05) 100%);
    border: 1px solid rgba(34, 197, 94, 0.3);
    border-radius: var(--radius-xl);
    padding: var(--space-xl);
    margin: var(--space-2xl) 0;
}

.seo-highlight-content h3 {
    margin-bottom: var(--space-sm);
    color: var(--color-primary-light);
}

.seo-highlight-content p {
    color: var(--color-text-secondary);
    margin-bottom: var(--space-md);
}

.seo-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
}

.seo-tags span {
    background: var(--color-bg-elevated);
    color: var(--color-text-muted);
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-full);
    font-size: 0.8rem;
}

.seo-highlight-image img {
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
    width: 100%;
}

/* Timeline */
.timeline {
    position: relative;
    padding-left: 40px;
    margin: var(--space-xl) 0;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 15px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(to bottom, var(--color-primary), var(--color-secondary));
}

.timeline-item {
    position: relative;
    padding-bottom: var(--space-lg);
}

.timeline-item:last-child {
    padding-bottom: 0;
}

.timeline-marker {
    position: absolute;
    left: -40px;
    width: 32px;
    height: 32px;
    background: var(--color-primary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.875rem;
    box-shadow: var(--glow-primary);
}

.timeline-content {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-lg);
    padding: var(--space-md);
}

.timeline-content h4 {
    margin: 0 0 var(--space-xs);
    font-size: 1rem;
    color: var(--color-text);
}

.timeline-content p {
    margin: 0;
    font-size: 0.9rem;
    color: var(--color-text-muted);
}

.seo-result {
    text-align: center;
    padding: var(--space-xl);
    background: var(--color-bg-card);
    border: 1px solid var(--color-primary);
    border-radius: var(--radius-xl);
    margin-top: var(--space-xl);
}

.seo-result p {
    margin: 0;
    font-size: 1.1rem;
    color: var(--color-text-secondary);
}

.seo-result strong {
    color: var(--color-primary-light);
}

@media (min-width: 768px) {
    .seo-highlight-block {
        grid-template-columns: 1fr 1fr;
        align-items: center;
    }
}

/* ==================== Scroll Animations (no CLS) ==================== */
.animate-on-scroll {
    opacity: 0.01;
    transform: translateY(10px);
    transition: opacity 0.4s ease, transform 0.4s ease;
}

.animate-on-scroll.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ==================== Modal / Popup ==================== */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(4px);
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-md);
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-base), visibility var(--transition-base);
}

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

.modal {
    background: var(--color-bg-elevated);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    max-width: 480px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
    transform: scale(0.9) translateY(20px);
    transition: transform var(--transition-base);
    box-shadow: var(--shadow-xl), var(--glow-primary);
}

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

.modal-close {
    position: absolute;
    top: var(--space-md);
    right: var(--space-md);
    width: 36px;
    height: 36px;
    border: none;
    background: var(--color-bg-card);
    border-radius: var(--radius-full);
    color: var(--color-text-secondary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
    z-index: 10;
}

.modal-close:hover {
    background: var(--color-border);
    color: var(--color-text);
}

.modal-close svg {
    width: 20px;
    height: 20px;
}

.modal-header {
    padding: var(--space-xl) var(--space-xl) var(--space-md);
    text-align: center;
}

.modal-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto var(--space-md);
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--glow-primary);
}

.modal-icon svg {
    width: 32px;
    height: 32px;
    color: white;
}

.modal-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: var(--space-sm);
    line-height: 1.3;
}

.modal-subtitle {
    font-size: 0.95rem;
    color: var(--color-text-secondary);
    line-height: 1.5;
}

.modal-body {
    padding: 0 var(--space-xl) var(--space-xl);
}

.modal-form {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.modal-form .form-group {
    margin-bottom: 0;
}

.modal-form .form-input {
    padding: 1rem 1.25rem;
    font-size: 1rem;
}

.modal-form .form-input:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(34, 197, 94, 0.2), var(--glow-primary);
}

.modal-form .btn {
    width: 100%;
    padding: 1rem 1.5rem;
    font-size: 1rem;
    font-weight: 600;
}

.modal-footer {
    padding: var(--space-md) var(--space-xl) var(--space-xl);
    text-align: center;
}

.modal-privacy {
    font-size: 0.8rem;
    color: var(--color-text-muted);
    line-height: 1.5;
}

.modal-privacy a {
    color: var(--color-text-secondary);
    text-decoration: underline;
}

/* WhatsApp Icon */
.modal-icon-whatsapp {
    background: linear-gradient(135deg, #25D366, #128C7E);
}

.modal-success-icon-whatsapp {
    background: linear-gradient(135deg, #25D366, #128C7E);
}

/* Checkboxes */
.form-checkboxes {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
    margin-top: var(--space-sm);
}

.checkbox-label {
    display: flex;
    align-items: flex-start;
    gap: var(--space-sm);
    cursor: pointer;
    font-size: 0.85rem;
    color: var(--color-text-secondary);
    line-height: 1.4;
    user-select: none;
}

.checkbox-label input[type="checkbox"] {
    position: absolute;
    opacity: 0;
    pointer-events: none;
}

.checkbox-custom {
    flex-shrink: 0;
    width: 18px;
    height: 18px;
    border: 2px solid var(--color-border);
    border-radius: var(--radius-sm);
    background: var(--color-bg-card);
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-top: 1px;
}

.checkbox-custom::after {
    content: '';
    width: 10px;
    height: 10px;
    background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3'%3E%3Cpolyline points='20 6 9 17 4 12'%3E%3C/polyline%3E%3C/svg%3E") center/contain no-repeat;
    opacity: 0;
    transform: scale(0);
    transition: all var(--transition-fast);
}

.checkbox-label input:checked + .checkbox-custom {
    background: linear-gradient(135deg, #25D366, #128C7E);
    border-color: #25D366;
}

.checkbox-label input:checked + .checkbox-custom::after {
    opacity: 1;
    transform: scale(1);
}

.checkbox-label:hover .checkbox-custom {
    border-color: var(--color-text-secondary);
}

.checkbox-label input:focus + .checkbox-custom {
    box-shadow: 0 0 0 3px rgba(37, 211, 102, 0.2);
}

/* Checkbox error state */
.checkbox-label.error .checkbox-custom {
    border-color: var(--color-error);
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.2);
}

.checkbox-text a {
    color: var(--color-text-secondary);
    text-decoration: underline;
    transition: color var(--transition-fast);
}

.checkbox-text a:hover {
    color: var(--color-text);
}

/* WhatsApp button */
.btn-whatsapp {
    background: linear-gradient(135deg, #25D366, #128C7E) !important;
    border: none !important;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
}

.btn-whatsapp:hover {
    background: linear-gradient(135deg, #22c35e, #0d6b5a) !important;
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(37, 211, 102, 0.3);
}

.btn-whatsapp svg {
    flex-shrink: 0;
}

/* Success State */
.modal-success {
    text-align: center;
    padding: var(--space-xl);
}

.modal-success-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--space-lg);
    background: linear-gradient(135deg, var(--color-success), var(--color-primary));
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    animation: successPulse 2s infinite;
}

@keyframes successPulse {
    0%, 100% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.4); }
    50% { box-shadow: 0 0 0 20px rgba(16, 185, 129, 0); }
}

.modal-success-icon svg {
    width: 40px;
    height: 40px;
    color: white;
}

.modal-success h3 {
    font-size: 1.5rem;
    margin-bottom: var(--space-sm);
    color: var(--color-text);
}

.modal-success p {
    color: var(--color-text-secondary);
    margin-bottom: var(--space-lg);
}

.modal-success .btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
}

/* Override modal-close styles inside success state */
.modal-success .modal-close {
    position: static;
    width: auto;
    height: auto;
    background: transparent;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--space-sm) var(--space-lg);
    color: var(--color-text-secondary);
    font-size: 0.95rem;
}

.modal-success .modal-close:hover {
    background: var(--color-bg-card);
    color: var(--color-text);
    border-color: var(--color-text-secondary);
}

/* Error state */
.form-input.error {
    border-color: var(--color-error);
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.2);
}

.form-error-message {
    font-size: 0.8rem;
    color: var(--color-error);
    margin-top: var(--space-xs);
}

/* Loading state */
.btn.loading {
    position: relative;
    color: transparent;
    pointer-events: none;
}

.btn.loading::after {
    content: '';
    position: absolute;
    width: 20px;
    height: 20px;
    top: 50%;
    left: 50%;
    margin: -10px 0 0 -10px;
    border: 2px solid transparent;
    border-top-color: white;
    border-radius: 50%;
    animation: btnSpinner 0.8s linear infinite;
}

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

/* Phone input mask indicator */
.form-input[type="tel"]::placeholder {
    color: var(--color-text-muted);
}

/* Inline form in footer */
.footer-form {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    padding: var(--space-xl);
    margin-top: var(--space-xl);
}

.footer-form-title {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: var(--space-md);
    color: var(--color-text);
}

.footer-form-row {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

@media (min-width: 640px) {
    .footer-form-row {
        flex-direction: row;
    }

    .footer-form-row .form-input {
        flex: 1;
    }

    .footer-form-row .btn {
        flex-shrink: 0;
    }
}

/* Responsive modal */
@media (min-width: 640px) {
    .modal {
        max-width: 440px;
    }

    .modal-header {
        padding: var(--space-2xl) var(--space-2xl) var(--space-lg);
    }

    .modal-body {
        padding: 0 var(--space-2xl) var(--space-2xl);
    }

    .modal-footer {
        padding: var(--space-md) var(--space-2xl) var(--space-2xl);
    }
}

/* ==================== Demo Page ==================== */
.hero-compact {
    padding: var(--space-3xl) 0 var(--space-xl);
}

.hero-compact .hero-description {
    font-size: 1.1rem;
}

.demo-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3xl);
    align-items: start;
}

@media (max-width: 968px) {
    .demo-grid {
        grid-template-columns: 1fr;
        gap: var(--space-xl);
    }
}

/* Instructions */
.demo-instructions h2 {
    margin-bottom: var(--space-xl);
}

.instruction-steps {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}

.instruction-step {
    display: flex;
    gap: var(--space-md);
}

.step-number {
    flex-shrink: 0;
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.1rem;
    color: white;
}

.step-content h3 {
    font-size: 1.1rem;
    margin-bottom: var(--space-xs);
}

.step-content p {
    color: var(--color-text-secondary);
    font-size: 0.95rem;
    line-height: 1.5;
}

/* Notice */
.demo-notice {
    margin-top: var(--space-xl);
    padding: var(--space-lg);
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    display: flex;
    gap: var(--space-md);
}

.notice-icon {
    flex-shrink: 0;
    width: 24px;
    height: 24px;
    color: var(--color-primary-light);
}

.notice-icon svg {
    width: 100%;
    height: 100%;
}

.notice-content h4 {
    font-size: 0.95rem;
    margin-bottom: var(--space-xs);
    color: var(--color-text);
}

.notice-content p {
    font-size: 0.9rem;
    color: var(--color-text-secondary);
    line-height: 1.6;
}

/* Demo Form Card */
.demo-form-card {
    background: var(--color-bg-elevated);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    padding: var(--space-xl);
    box-shadow: var(--shadow-xl), var(--glow-primary);
}

.demo-form-card .form-header {
    text-align: center;
    margin-bottom: var(--space-lg);
}

.demo-form-card .form-header h3 {
    font-size: 1.3rem;
    margin-bottom: var(--space-xs);
}

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

.demo-form .form-group {
    margin-bottom: var(--space-md);
}

.demo-form .form-group label {
    display: block;
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: var(--space-xs);
    color: var(--color-text);
}

/* Messenger Choice */
.messenger-choice {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-sm);
}

.messenger-option {
    cursor: pointer;
}

.messenger-option input {
    position: absolute;
    opacity: 0;
    pointer-events: none;
}

.messenger-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-md);
    background: var(--color-bg-card);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-lg);
    transition: all var(--transition-fast);
}

.messenger-option:hover .messenger-card {
    border-color: var(--color-text-secondary);
}

.messenger-option input:checked + .messenger-card {
    border-color: var(--color-primary);
    background: rgba(99, 102, 241, 0.1);
}

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

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

.messenger-icon-telegram {
    background: linear-gradient(135deg, #2AABEE, #229ED9);
}

.messenger-icon-whatsapp {
    background: linear-gradient(135deg, #25D366, #128C7E);
}

.messenger-name {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--color-text);
}

/* Compact messenger choice for modals */
.messenger-choice-compact .messenger-card {
    flex-direction: row;
    padding: var(--space-sm) var(--space-md);
}

.messenger-choice-compact .messenger-icon {
    width: 32px;
    height: 32px;
}

.messenger-choice-compact .messenger-icon svg {
    width: 18px;
    height: 18px;
}

/* Submit button with messenger */
.btn-submit-messenger {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    width: 100%;
}

.btn-submit-messenger .btn-icon {
    width: 20px;
    height: 20px;
    transition: transform var(--transition-fast);
}

.btn-submit-messenger:hover .btn-icon {
    transform: translateX(4px);
}

/* Demo Form Button */
.btn-demo {
    width: 100%;
    margin-top: var(--space-md);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
}

.btn-demo .btn-icon {
    width: 20px;
    height: 20px;
    transition: transform var(--transition-fast);
}

.btn-demo:hover .btn-icon {
    transform: translateX(4px);
}

/* Demo Success */
.demo-success {
    text-align: center;
    padding: var(--space-lg) 0;
}

.demo-success .success-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto var(--space-md);
    background: linear-gradient(135deg, var(--color-success), #059669);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    animation: successPulse 2s infinite;
}

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

.demo-success h3 {
    font-size: 1.5rem;
    margin-bottom: var(--space-sm);
    color: var(--color-text);
}

.demo-success .success-message {
    font-size: 1rem;
    color: var(--color-text-secondary);
    margin-bottom: var(--space-sm);
}

.demo-success .success-hint {
    font-size: 0.85rem;
    color: var(--color-text-muted);
}

.demo-success #messenger-name {
    font-weight: 600;
    color: var(--color-primary-light);
}

/* ==================== Ghost Button ==================== */
.btn-ghost {
    color: var(--color-text-secondary);
    background: transparent;
    border: none;
    padding: 0.875rem 1rem;
}

.btn-ghost:hover {
    color: var(--color-primary-light);
    background: rgba(34, 197, 94, 0.05);
}

/* ==================== Consent Note ==================== */
.consent-note {
    display: block;
    font-size: 0.75rem;
    color: var(--color-text-muted);
    margin-top: 2px;
}

/* ==================== Final CTA Section ==================== */
.final-cta {
    background: var(--color-bg-alt);
}

.final-cta h2 {
    margin-bottom: var(--space-xl);
}

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

@media (min-width: 768px) {
    .cta-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

.cta-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-xl);
    padding: var(--space-xl);
    text-align: center;
    transition: all var(--transition-base);
}

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

.cta-card h3 {
    font-size: 1.25rem;
    margin-bottom: var(--space-sm);
    color: var(--color-text);
}

.cta-card p {
    color: var(--color-text-secondary);
    margin-bottom: var(--space-lg);
    font-size: 0.95rem;
}

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

/* ==================== Demo Preview Section ==================== */
.demo-preview {
    background: linear-gradient(135deg, rgba(34, 197, 94, 0.05) 0%, rgba(234, 179, 8, 0.03) 100%);
}

.demo-preview-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-xl);
    align-items: center;
}

@media (min-width: 768px) {
    .demo-preview-content {
        grid-template-columns: 1fr 1fr;
        gap: var(--space-3xl);
    }
}

.demo-preview-text h2 {
    margin-bottom: var(--space-md);
}

.demo-preview-text p {
    color: var(--color-text-secondary);
    margin-bottom: var(--space-lg);
    font-size: 1.05rem;
    line-height: 1.7;
}

.demo-preview-features {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-md);
}

@media (min-width: 480px) {
    .demo-preview-features {
        grid-template-columns: repeat(2, 1fr);
    }
}

.demo-feature {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-lg);
    padding: var(--space-md);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.demo-feature-icon {
    flex-shrink: 0;
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, rgba(34, 197, 94, 0.2) 0%, rgba(234, 179, 8, 0.2) 100%);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-primary-light);
}

.demo-feature-icon svg {
    width: 20px;
    height: 20px;
}

.demo-feature span {
    font-size: 0.9rem;
    color: var(--color-text);
    font-weight: 500;
}

/* ==================== Founder Photo ==================== */
.founder-photo {
    border-radius: var(--radius-full);
    border: 4px solid var(--color-primary);
    box-shadow: var(--glow-primary-strong);
    max-width: 280px;
    height: auto;
    margin: 0 auto;
}

/* ==================== About Page ==================== */
.about-founder {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 3rem;
    align-items: start;
}

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

.founder-image .founder-photo {
    max-width: 250px;
    margin-bottom: 1.5rem;
}

.founder-social {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.founder-social a {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    color: var(--color-text-muted);
    font-size: 0.875rem;
    transition: all var(--transition-base);
}

.founder-social a:hover {
    border-color: var(--color-primary);
    color: var(--color-primary-light);
    box-shadow: var(--glow-primary);
}

.founder-bio h3 {
    margin-bottom: 1.5rem;
}

.founder-bio p {
    margin-bottom: 1rem;
    line-height: 1.8;
}

.founder-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px solid var(--color-border);
}

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

.founder-stat .stat-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-primary-light);
    display: block;
}

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

/* Ecosystem Grid */
.ecosystem-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.ecosystem-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 2rem;
    position: relative;
    transition: all var(--transition-base);
}

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

.ecosystem-card .card-badge {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: linear-gradient(135deg, var(--color-success), var(--color-secondary));
    color: var(--color-bg);
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
}

.ecosystem-card .card-badge.soon {
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    color: var(--color-text-muted);
}

.ecosystem-card h3 {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.ecosystem-card .card-icon {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

.ecosystem-card p {
    color: var(--color-text-muted);
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.ecosystem-card .card-features {
    list-style: none;
    padding: 0;
    margin: 0 0 1.5rem 0;
}

.ecosystem-card .card-features li {
    padding: 0.5rem 0;
    padding-left: 1.5rem;
    position: relative;
    color: var(--color-text-muted);
    font-size: 0.9rem;
}

.ecosystem-card .card-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--color-success);
}

/* Testimonials */
.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.testimonial-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 2rem;
    position: relative;
}

.testimonial-card::before {
    content: '"';
    position: absolute;
    top: 1rem;
    left: 1.5rem;
    font-size: 4rem;
    line-height: 1;
    color: var(--color-primary);
    opacity: 0.3;
    font-family: Georgia, serif;
}

.testimonial-card .rating {
    display: flex;
    gap: 0.25rem;
    margin-bottom: 1rem;
}

.testimonial-card .rating span {
    color: var(--color-secondary);
    font-size: 1.25rem;
}

.testimonial-card blockquote {
    font-style: italic;
    color: var(--color-text);
    line-height: 1.7;
    margin-bottom: 1.5rem;
    position: relative;
    z-index: 1;
}

.testimonial-card .testimonial-result {
    background: rgba(34, 197, 94, 0.1);
    border-left: 3px solid var(--color-success);
    padding: 0.75rem 1rem;
    margin-bottom: 1.5rem;
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

.testimonial-card .testimonial-result strong {
    color: var(--color-success);
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--color-border);
}

.testimonial-author .author-avatar {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 600;
    font-size: 1.25rem;
}

.testimonial-author .author-info .author-name {
    font-weight: 600;
    color: var(--color-text);
}

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

/* NDA Notice */
.nda-notice {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    background: rgba(99, 102, 241, 0.1);
    border: 1px solid var(--color-primary);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    margin-bottom: 3rem;
}

.nda-notice .nda-icon {
    font-size: 1.5rem;
    flex-shrink: 0;
}

.nda-notice p {
    margin: 0;
    color: var(--color-text-muted);
    line-height: 1.6;
}

.nda-notice strong {
    color: var(--color-text);
}

/* About Page Responsive */
@media (max-width: 1024px) {
    .about-founder {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .founder-bio {
        text-align: left;
    }

    .founder-stats {
        grid-template-columns: repeat(3, 1fr);
    }

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

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

@media (max-width: 768px) {
    .founder-stats {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

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

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

    .nda-notice {
        flex-direction: column;
        text-align: center;
    }
}

/* ==================== SEO Content Structured Components ==================== */

/* Comparison Block (Manager vs AI) */
.comparison-block {
    display: flex;
    align-items: stretch;
    gap: 2rem;
    max-width: 900px;
    margin: 0 auto;
}

.comparison-card {
    flex: 1;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 2rem;
}

.comparison-old {
    border-color: rgba(239, 68, 68, 0.3);
}

.comparison-new {
    border-color: rgba(34, 197, 94, 0.3);
    background: linear-gradient(135deg, rgba(34, 197, 94, 0.05), rgba(234, 179, 8, 0.05));
}

.comparison-vs {
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-text-muted);
    flex-shrink: 0;
}

.comparison-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.comparison-icon {
    font-size: 2rem;
}

.comparison-header h3 {
    margin: 0;
}

.comparison-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.comparison-list li {
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--color-border);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.comparison-list li:last-child {
    border-bottom: none;
}

.comparison-value {
    font-weight: 600;
    color: var(--color-primary-light);
}

.comparison-old .comparison-value {
    color: #ef4444;
}

.comparison-new .comparison-value {
    color: var(--color-success);
}

/* Niche Grid */
.niche-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.niche-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 2rem;
    transition: all var(--transition-base);
}

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

.niche-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.niche-card h3 {
    margin-bottom: 0.5rem;
}

.niche-subtitle {
    color: var(--color-text-muted);
    font-size: 0.9rem;
    margin-bottom: 1.5rem;
}

.niche-features {
    list-style: none;
    padding: 0;
    margin: 0 0 1.5rem 0;
}

.niche-features li {
    padding: 0.5rem 0;
    padding-left: 1.5rem;
    position: relative;
    color: var(--color-text-muted);
    font-size: 0.9rem;
}

.niche-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--color-success);
}

/* Tech Grid */
.tech-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.tech-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    text-align: center;
    transition: all var(--transition-base);
}

.tech-card:hover {
    border-color: var(--color-primary);
}

.tech-logo {
    display: flex;
    justify-content: center;
    margin-bottom: 1rem;
}

.tech-card h4 {
    margin-bottom: 0.5rem;
}

.tech-card p {
    color: var(--color-text-muted);
    font-size: 0.875rem;
    margin: 0;
}

.tech-note {
    display: flex;
    align-items: center;
    gap: 1rem;
    background: rgba(34, 197, 94, 0.1);
    border: 1px solid rgba(34, 197, 94, 0.3);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    max-width: 700px;
    margin: 0 auto;
}

.tech-note-icon {
    font-size: 1.5rem;
    color: var(--color-success);
    flex-shrink: 0;
}

.tech-note p {
    margin: 0;
    color: var(--color-text-muted);
}

/* Problem/Solution Block */
.problem-solution-block {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    max-width: 900px;
    margin: 0 auto;
}

.problem-card,
.solution-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 2rem;
}

.problem-card {
    border-color: rgba(239, 68, 68, 0.3);
}

.solution-card {
    border-color: rgba(34, 197, 94, 0.3);
    background: linear-gradient(135deg, rgba(34, 197, 94, 0.05), rgba(234, 179, 8, 0.05));
}

.problem-header,
.solution-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.problem-icon,
.solution-icon {
    font-size: 1.5rem;
}

.problem-card p,
.solution-card p {
    color: var(--color-text-muted);
    margin-bottom: 1rem;
    line-height: 1.6;
}

.problem-result,
.solution-result {
    padding: 0.75rem 1rem;
    border-radius: var(--radius-md);
    font-size: 0.9rem;
}

.problem-result {
    background: rgba(239, 68, 68, 0.1);
    color: #ef4444;
}

.solution-result {
    background: rgba(34, 197, 94, 0.1);
    color: var(--color-success);
}

.problem-result span,
.solution-result span {
    font-weight: 600;
}

/* Funnel Steps */
.funnel-steps {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    max-width: 700px;
    margin: 0 auto;
}

.funnel-step {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    transition: all var(--transition-base);
}

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

.funnel-number {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--color-success), var(--color-secondary));
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-bg);
    flex-shrink: 0;
}

.funnel-content h4 {
    margin-bottom: 0.25rem;
}

.funnel-content p {
    color: var(--color-text-muted);
    font-size: 0.9rem;
    margin: 0;
}

/* CRM Features */
.crm-features {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 3rem;
}

.crm-feature {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-full);
    padding: 0.75rem 1.5rem;
}

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

/* Languages Block */
.languages-block {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 2rem;
    text-align: center;
    max-width: 700px;
    margin: 0 auto;
}

.languages-block h3 {
    margin-bottom: 0.5rem;
}

.languages-block > p {
    color: var(--color-text-muted);
    margin-bottom: 1.5rem;
}

.languages-list {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1rem;
}

.language-tag {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.1), rgba(129, 140, 248, 0.1));
    border: 1px solid var(--color-primary);
    border-radius: var(--radius-full);
    padding: 0.5rem 1.25rem;
    font-size: 0.9rem;
}

/* Advantages Grid */
.advantages-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
}

.advantage-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    text-align: center;
    transition: all var(--transition-base);
}

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

.advantage-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.advantage-card h4 {
    margin-bottom: 0.75rem;
}

.advantage-card p {
    color: var(--color-text-muted);
    font-size: 0.875rem;
    margin: 0;
    line-height: 1.6;
}

/* RAG Flow */
.rag-flow {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    flex-wrap: wrap;
    margin-bottom: 2rem;
}

.rag-step {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 1rem 1.5rem;
    text-align: center;
    min-width: 120px;
}

.rag-number {
    width: 32px;
    height: 32px;
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.875rem;
    font-weight: 700;
    color: white;
    margin: 0 auto 0.5rem;
}

.rag-content h4 {
    font-size: 0.9rem;
    margin-bottom: 0.25rem;
}

.rag-content p {
    font-size: 0.75rem;
    color: var(--color-text-muted);
    margin: 0;
}

.rag-arrow {
    font-size: 1.5rem;
    color: var(--color-primary);
}

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

.rag-usecases > p {
    margin-bottom: 1rem;
}

.usecase-tags {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.75rem;
}

.usecase-tag {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-full);
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
    color: var(--color-text-muted);
}

/* Models Grid */
.models-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.model-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    text-align: center;
    position: relative;
}

.model-name {
    font-weight: 600;
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
    color: var(--color-text);
}

.model-badge {
    position: absolute;
    top: -0.5rem;
    right: 1rem;
    background: linear-gradient(135deg, var(--color-success), var(--color-secondary));
    color: var(--color-bg);
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-full);
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
}

.model-card p {
    color: var(--color-text-muted);
    font-size: 0.875rem;
    margin: 0;
}

.gpu-note {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    background: rgba(99, 102, 241, 0.1);
    border: 1px solid var(--color-primary);
    border-radius: var(--radius-lg);
    padding: 1rem 1.5rem;
    max-width: 600px;
    margin: 0 auto;
}

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

.gpu-note p {
    margin: 0;
    color: var(--color-text-muted);
    font-size: 0.9rem;
}

/* Responsive for SEO Components */
@media (max-width: 1024px) {
    .comparison-block {
        flex-direction: column;
    }

    .comparison-vs {
        transform: rotate(90deg);
        margin: -1rem 0;
    }

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

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

    .problem-solution-block {
        grid-template-columns: 1fr;
    }

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

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

    .rag-flow {
        flex-direction: column;
    }

    .rag-arrow {
        transform: rotate(90deg);
    }
}

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

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

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

    .crm-features {
        flex-direction: column;
        align-items: center;
    }

    .languages-list {
        flex-direction: column;
        align-items: center;
    }

    .funnel-step {
        flex-direction: column;
        text-align: center;
    }

    .tech-note,
    .gpu-note {
        flex-direction: column;
        text-align: center;
    }
}