@import url('https://fonts.googleapis.com/css2?family=Manrope:wght@400;500;600;700;800&family=Space+Grotesk:wght@600;700&display=swap');

/* ========================================
   CSS Variables & Reset
   ======================================== */
:root {
    /* Colors */
    --color-primary: #17b59f;
    --color-primary-dark: #0f8d7b;
    --color-primary-light: #38d8c5;
    --color-secondary: #0e1a25;
    --color-accent: #ff8a34;
    --color-text: #f9fafb;
    --color-text-light: #b3bec9;
    --color-bg: #03070c;
    --color-bg-alt: #08121b;
    --color-bg-card: #0d1823;
    --color-border: #223143;
    --color-success: #10b981;
    --color-error: #ef4444;

    /* Typography */
    --font-sans: "Manrope", "Segoe UI", sans-serif;
    --font-display: "Space Grotesk", "Manrope", sans-serif;

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

    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;

    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);

    /* Transitions */
    --transition-base: 0.2s ease;
    --transition-slow: 0.3s ease;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    color: var(--color-text);
    background: radial-gradient(circle at 12% 8%, rgba(23, 181, 159, 0.18), transparent 35%),
        radial-gradient(circle at 92% 18%, rgba(255, 138, 52, 0.12), transparent 32%),
        var(--color-bg);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    padding: 0;
    margin: 0;
}

body.loading {
    overflow: hidden;
}

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

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

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

/* ========================================
   Container & Layout
   ======================================== */
.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
    width: 100%;
    box-sizing: border-box;
}

/* ========================================
   Header
   ======================================== */
.header {
    position: sticky;
    top: 0;
    background: rgba(3, 7, 12, 0.88);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-border);
    z-index: 1000;
    padding: var(--space-sm) 0;
    transition: box-shadow var(--transition-base);
}

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

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

.logo {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: transform var(--transition-base);
}

.logo-image {
    width: 100px;
    height: 100px;
    object-fit: contain;
    filter: drop-shadow(0 0 10px rgba(20, 184, 166, 0.35));
    image-rendering: -webkit-optimize-contrast;
    image-rendering: crisp-edges;
}

.logo:hover {
    transform: scale(1.03);
}

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

.nav-link {
    color: var(--color-text);
    font-weight: 500;
    transition: color var(--transition-base);
    position: relative;
}

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

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

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    padding: var(--space-xs);
}

.menu-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--color-text);
    transition: var(--transition-base);
}

/* ========================================
   Buttons
   ======================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.5rem;
    font-weight: 600;
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
    white-space: nowrap;
}

.btn:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

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

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

.btn-secondary {
    background: transparent;
    color: var(--color-primary);
    border: 2px solid var(--color-primary);
}

.btn-secondary:hover {
    background: var(--color-primary);
    color: var(--color-bg);
    transform: translateY(-2px);
}

.btn-lg {
    padding: 1rem 2rem;
    font-size: 1.125rem;
}

.btn-block {
    width: 100%;
}

.btn-whatsapp {
    background: #25D366;
    color: white;
    gap: 0.5rem;
}

.btn-whatsapp:hover {
    background: #1da851;
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

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


/* ========================================
   Hero Section
   ======================================== */
.hero {
    padding: var(--space-3xl) 0;
    background: linear-gradient(135deg, var(--color-bg) 0%, var(--color-bg-alt) 100%);
    width: 100%;
}

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

.hero-title {
    font-family: var(--font-display);
    font-size: 3rem;
    font-weight: 800;
    line-height: 1.1;
    color: var(--color-text);
    margin-bottom: var(--space-md);
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--color-text-light);
    margin-bottom: var(--space-xl);
    line-height: 1.6;
}

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

.hero-features {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-md);
}

.hero-feature {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    font-size: 0.875rem;
    color: var(--color-text);
}

.hero-feature svg {
    color: var(--color-primary);
    flex-shrink: 0;
}

.hero-image {
    display: flex;
    justify-content: center;
}

.hero-dashboard-image {
    width: 100%;
    max-width: 620px;
    border-radius: var(--radius-xl);
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow-xl);
    animation: float 6s ease-in-out infinite;
}

@keyframes float {

    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-20px);
    }
}

/* ========================================
   Social Proof
   ======================================== */
.social-proof {
    padding: var(--space-2xl) 0;
    background: var(--color-bg-alt);
    width: 100%;
}

.stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-xl);
    margin-bottom: var(--space-2xl);
    text-align: center;
}

.stat-value {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--color-primary);
    margin-bottom: var(--space-xs);
}

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

.brands {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--space-2xl);
    flex-wrap: wrap;
}

.brand-logo {
    font-weight: 600;
    color: var(--color-text-light);
    font-size: 1.25rem;
    opacity: 0.6;
    transition: opacity var(--transition-base);
}

.brand-logo:hover {
    opacity: 1;
}

/* ========================================
   Section Headers
   ======================================== */
.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto var(--space-2xl);
}

.section-tag {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: var(--color-secondary);
    color: var(--color-primary);
    border-radius: var(--radius-lg);
    font-weight: 600;
    font-size: 0.875rem;
    margin-bottom: var(--space-md);
}

.section-title {
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--color-text);
    margin-bottom: var(--space-md);
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--color-text-light);
}

/* ========================================
   Features & Modules
   ======================================== */
.features {
    padding: var(--space-3xl) 0 var(--space-xl);
    width: 100%;
}

.modules {
    padding: 0 0 var(--space-3xl);
    width: 100%;
}

.modules-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: var(--space-lg);
}

.module-card {
    background: var(--color-bg-card);
    padding: var(--space-xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--color-border);
    transition: all var(--transition-slow);
    backdrop-filter: blur(3px);
}

.module-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: var(--color-primary);
}

.module-icon {
    width: 64px;
    height: 64px;
    background: var(--color-secondary);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-primary);
    margin: 0 auto var(--space-md);
    animation: moduleIconFloat 3.2s ease-in-out infinite;
    transition: transform var(--transition-base), box-shadow var(--transition-base), background var(--transition-base);
}

.module-card:hover .module-icon {
    transform: translateY(-4px) scale(1.05);
    box-shadow: 0 10px 24px rgba(20, 184, 166, 0.22);
    background: rgba(20, 184, 166, 0.12);
}

@keyframes moduleIconFloat {

    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-6px);
    }
}

.module-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--space-sm);
}

.module-description {
    color: var(--color-text-light);
    margin-bottom: var(--space-md);
    line-height: 1.6;
}

.module-list {
    list-style: none;
}

.module-list li {
    padding: var(--space-xs) 0;
    padding-left: 1.5rem;
    position: relative;
    color: var(--color-text);
    font-size: 0.95rem;
}

.module-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--color-primary);
    font-weight: 700;
}

/* ========================================
   How it Works
   ======================================== */
.how-it-works {
    padding: var(--space-3xl) 0;
    background: var(--color-bg-alt);
    width: 100%;
}

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

.step {
    text-align: center;
    padding: var(--space-xl);
}

.step-number {
    width: 64px;
    height: 64px;
    background: var(--color-primary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0 auto var(--space-md);
}

.step-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--space-sm);
}

.step-description {
    color: var(--color-text-light);
    line-height: 1.6;
}

/* ========================================
   Pricing
   ======================================== */
.pricing {
    padding: var(--space-3xl) 0;
    width: 100%;
}

.pricing-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-md);
    margin-bottom: var(--space-2xl);
}

.toggle-label {
    font-weight: 600;
    color: var(--color-text);
}

.toggle-discount {
    display: inline-block;
    padding: 0.25rem 0.5rem;
    background: var(--color-success);
    color: white;
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 700;
}

.toggle-switch {
    position: relative;
    width: 56px;
    height: 28px;
    background: var(--color-border);
    border-radius: 14px;
    transition: background var(--transition-base);
    cursor: pointer;
}

.toggle-switch.active {
    background: var(--color-primary);
}

.toggle-slider {
    position: absolute;
    top: 2px;
    left: 2px;
    width: 24px;
    height: 24px;
    background: white;
    border-radius: 50%;
    transition: transform var(--transition-base);
    box-shadow: var(--shadow-sm);
}

.toggle-switch.active .toggle-slider {
    transform: translateX(28px);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(260px, 1fr));
    gap: var(--space-lg);
    margin-bottom: var(--space-lg);
    width: 100%;
    align-items: stretch;
}

.pricing-card {
    background: var(--color-bg-card);
    padding: var(--space-2xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    border: 2px solid var(--color-border);
    transition: all var(--transition-slow);
    position: relative;
    margin: 0;
}

.pricing-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: var(--color-primary);
}

.pricing-card-featured {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 1px rgba(23, 181, 159, 0.35), var(--shadow-xl);
}

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

.pricing-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--color-primary);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: var(--radius-lg);
    font-size: 0.875rem;
    font-weight: 600;
}

.pricing-name {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--space-xs);
}

.pricing-description {
    color: var(--color-text-light);
    margin-bottom: var(--space-lg);
}

.pricing-price {
    display: flex;
    align-items: baseline;
    margin-bottom: var(--space-xl);
}

.price-currency {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--color-text);
}

.price-amount {
    font-size: 3rem;
    font-weight: 800;
    color: var(--color-text);
    margin: 0 0.25rem;
}

.price-period {
    color: var(--color-text-light);
}

.pricing-features {
    list-style: none;
    margin-bottom: var(--space-xl);
}

.pricing-features li {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-xs) 0;
    color: var(--color-text);
}

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

.pricing-note {
    text-align: center;
    color: var(--color-text-light);
    font-size: 0.875rem;
}

/* ========================================
   Testimonials
   ======================================== */
.testimonials {
    padding: var(--space-3xl) 0;
    background: var(--color-bg-alt);
    width: 100%;
}

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

.testimonial-card {
    background: var(--color-bg-card);
    padding: var(--space-xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--color-border);
    transition: all var(--transition-slow);
}

.testimonial-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: var(--color-primary);
}

.testimonial-rating {
    margin-bottom: var(--space-md);
    font-size: 1.25rem;
}

.testimonial-text {
    color: var(--color-text);
    line-height: 1.6;
    margin-bottom: var(--space-lg);
    font-style: italic;
}

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

.author-avatar {
    width: 48px;
    height: 48px;
    background: var(--color-primary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    flex-shrink: 0;
}

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

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

/* ========================================
   FAQ
   ======================================== */
.faq {
    padding: var(--space-3xl) 0;
    width: 100%;
}

.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: var(--color-bg-card);
    border-radius: var(--radius-lg);
    margin-bottom: var(--space-md);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--color-border);
    transition: box-shadow var(--transition-base);
}

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

.faq-question {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-lg);
    text-align: left;
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--color-text);
    cursor: pointer;
    transition: color var(--transition-base);
}

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

.faq-question:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: -2px;
}

.faq-icon {
    color: var(--color-primary);
    flex-shrink: 0;
    transition: transform var(--transition-base);
}

.faq-question[aria-expanded="true"] .faq-icon {
    transform: rotate(180deg);
}

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

.faq-answer p {
    padding: 0 var(--space-lg) var(--space-lg);
    color: var(--color-text-light);
    line-height: 1.6;
}

/* ========================================
   Demo CTA & Form
   ======================================== */
.demo-cta {
    padding: var(--space-3xl) 0;
    background: linear-gradient(135deg, var(--color-bg) 0%, var(--color-bg-alt) 100%);
    width: 100%;
}

.demo-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-2xl);
    align-items: start;
}

.demo-title {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: var(--space-md);
}

.demo-subtitle {
    font-size: 1.125rem;
    color: var(--color-text-light);
    margin-bottom: var(--space-xl);
}

.demo-benefits {
    list-style: none;
}

.demo-benefits li {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) 0;
    font-size: 1.125rem;
}

.demo-benefits svg {
    color: var(--color-primary);
    flex-shrink: 0;
}

.demo-form-container {
    background: var(--color-bg-card);
    padding: var(--space-xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    border: 1px solid var(--color-border);
    background-image: linear-gradient(160deg, rgba(23, 181, 159, 0.08), rgba(255, 138, 52, 0.05));
}

.demo-form {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--space-sm) var(--space-md);
}

.form-group-full {
    grid-column: 1 / -1;
}

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

.form-group label {
    font-weight: 600;
    color: var(--color-text);
    font-size: 0.875rem;
}

.form-group textarea {
    resize: vertical;
    min-height: 90px;
    max-height: 180px;
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 0.75rem;
    border: 2px solid var(--color-border);
    border-radius: var(--radius-md);
    font-size: 1rem;
    transition: border-color var(--transition-base);
    font-family: inherit;
    background: var(--color-bg-alt);
    color: var(--color-text);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(23, 181, 159, 0.2);
}

.form-group input.error,
.form-group select.error,
.form-group textarea.error {
    border-color: var(--color-error);
}

.error-message {
    color: var(--color-error);
    font-size: 0.875rem;
    display: none;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: #92a2b2;
}

.error-message.visible {
    display: block;
}

.form-note {
    text-align: center;
    color: var(--color-text-light);
    font-size: 0.875rem;
    margin-top: var(--space-sm);
}

/* ========================================
   Footer
   ======================================== */
.footer {
    background: var(--color-bg-card);
    color: white;
    padding: var(--space-3xl) 0 var(--space-lg);
    border-top: 1px solid var(--color-border);
    width: 100%;
}

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

.footer-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: var(--space-sm);
}

.footer-brand {
    display: inline-flex;
    align-items: center;
    margin-bottom: var(--space-sm);
}

.footer-logo-image {
    width: 110px;
    height: 110px;
    object-fit: contain;
    filter: drop-shadow(0 0 12px rgba(20, 184, 166, 0.35));
    image-rendering: -webkit-optimize-contrast;
    image-rendering: crisp-edges;
}

.footer-description {
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.6;
}

.footer-heading {
    font-weight: 700;
    margin-bottom: var(--space-md);
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: var(--space-xs);
}

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    transition: color var(--transition-base);
}

.footer-links a:hover {
    color: white;
}

.footer-bottom {
    padding-top: var(--space-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: rgba(255, 255, 255, 0.7);
}

.footer-legal {
    display: flex;
    gap: var(--space-lg);
}

.footer-legal a {
    color: rgba(255, 255, 255, 0.7);
    transition: color var(--transition-base);
}

.footer-legal a:hover {
    color: white;
}

/* ========================================
   Back to Top Button
   ======================================== */
.back-to-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 48px;
    height: 48px;
    background: var(--color-primary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
    z-index: 999;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    background: var(--color-primary-dark);
    transform: translateY(-4px);
}

.back-to-top:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 4px;
}

/* ========================================
   Chat Widget
   ======================================== */
.chat-widget {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    z-index: 1000;
}

.chat-button {
    width: 60px;
    height: 60px;
    background: var(--color-primary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-xl);
    transition: all var(--transition-base);
}

.chat-button:hover {
    background: var(--color-primary-dark);
    transform: scale(1.1);
}

.chat-button:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 4px;
}

.chat-close-icon {
    display: none;
}

.chat-button.active .chat-icon {
    display: none;
}

.chat-button.active .chat-close-icon {
    display: block;
}

.chat-panel {
    position: absolute;
    bottom: 80px;
    right: 0;
    width: 380px;
    height: 500px;
    background: var(--color-bg-card);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    border: 1px solid var(--color-border);
    display: none;
    flex-direction: column;
    overflow: hidden;
}

.chat-panel.active {
    display: flex;
}

.chat-header {
    background: var(--color-primary);
    color: white;
    padding: var(--space-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.chat-header h3 {
    font-size: 1.125rem;
    font-weight: 600;
}

.chat-close-btn {
    color: white;
    padding: var(--space-xs);
    transition: opacity var(--transition-base);
}

.chat-close-btn:hover {
    opacity: 0.8;
}

.chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: var(--space-md);
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.chat-message {
    max-width: 80%;
    animation: slideIn 0.3s ease;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.message-content {
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius-lg);
    line-height: 1.5;
}

.bot-message .message-content {
    background: var(--color-bg-alt);
    color: var(--color-text);
    border-bottom-left-radius: 4px;
}

.user-message {
    align-self: flex-end;
}

.user-message .message-content {
    background: var(--color-primary);
    color: white;
    border-bottom-right-radius: 4px;
}

.chat-typing {
    padding: var(--space-sm) var(--space-md);
    display: flex;
    gap: 4px;
}

.chat-typing span {
    width: 8px;
    height: 8px;
    background: var(--color-text-light);
    border-radius: 50%;
    animation: typing 1.4s infinite;
}

.chat-typing span:nth-child(2) {
    animation-delay: 0.2s;
}

.chat-typing span:nth-child(3) {
    animation-delay: 0.4s;
}

@keyframes typing {

    0%,
    60%,
    100% {
        transform: translateY(0);
    }

    30% {
        transform: translateY(-10px);
    }
}

.chat-input-container {
    border-top: 1px solid var(--color-border);
    padding: var(--space-md);
    display: flex;
    gap: var(--space-sm);
}

.chat-input {
    flex: 1;
    padding: var(--space-sm);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    background: var(--color-bg-alt);
    color: var(--color-text);
}

.chat-input:focus {
    outline: none;
    border-color: var(--color-primary);
}

.chat-send-btn {
    width: 40px;
    height: 40px;
    background: var(--color-primary);
    color: white;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background var(--transition-base);
}

.chat-send-btn:hover {
    background: var(--color-primary-dark);
}

.chat-send-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* ========================================
   Reveal Animation
   ======================================== */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

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

/* ========================================
   Responsive Design
   ======================================== */
@media (max-width: 1024px) {
    .modules-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .pricing-grid {
        grid-template-columns: repeat(2, minmax(260px, 1fr));
    }

    .pricing-card-featured {
        transform: scale(1);
    }
}

@media (max-width: 768px) {
    .container {
        padding: 0 var(--space-md);
    }

    .header-content .btn-primary {
        display: none;
    }

    .nav {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--color-bg-card);
        flex-direction: column;
        padding: var(--space-md);
        box-shadow: var(--shadow-lg);
        border: 1px solid var(--color-border);
        display: none;
    }

    .nav.active {
        display: flex;
    }

    .menu-toggle {
        display: flex;
    }

    .hero-content,
    .demo-content {
        grid-template-columns: 1fr;
    }

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

    .hero-image {
        order: -1;
    }

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

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

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

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

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

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

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

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

    .footer-bottom {
        flex-direction: column;
        gap: var(--space-md);
        text-align: center;
    }

    .chat-panel {
        width: calc(100vw - 2rem);
        right: 1rem;
    }

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

@media (max-width: 480px) {
    .hero-features {
        grid-template-columns: 1fr;
    }

    .back-to-top,
    .chat-widget {
        bottom: 1rem;
        right: 1rem;
    }
}