/* ——— Light theme variables ——— */
:root {
    --color-bg: #ffffff;
    --color-bg-alt: #f8fafc;
    --color-text: #1e293b;
    --color-text-muted: #64748b;
    --color-border: #e2e8f0;
    --color-accent: #2563eb;
    --color-accent-hover: #1d4ed8;
    --color-cta-bg: #0f172a;
    --color-cta-text: #ffffff;
}

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

/* AOS: плавные анимации в светлой теме */
[data-aos] {
    transition-timing-function: cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 72px;
    overflow-x: clip;
    padding-bottom: 0;
    margin-bottom: 0;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
    font-size: 16px;
    overflow-x: clip;
    padding-bottom: 0;
    margin-bottom: 0;
}

main {
    overflow-x: clip;
}

.container {
    max-width: 960px;
    margin: 0 auto;
    padding: 0 24px;
}

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

/* ——— Sticky Header ——— */
.header-sticky {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-border);
    box-shadow: 0 1px 0 rgba(0, 0, 0, 0.04);
}

.header-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 16px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

.header-logo {
    font-weight: 700;
    font-size: 1.25rem;
    letter-spacing: -0.02em;
    color: #1a1a1a;
    text-decoration: none;
}

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

.header-links {
    list-style: none;
    display: flex;
    align-items: center;
    gap: 8px 28px;
}

.header-links a {
    color: var(--color-text-muted);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.15s;
}

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

.header-cta {
    padding: 10px 20px;
    background: var(--color-accent);
    color: var(--color-cta-text) !important;
    border: 1px solid var(--color-accent);
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    font-size: 0.9rem;
    transition: background 0.15s;
}

.header-cta:hover {
    background: var(--color-accent-hover);
}

.header-admin {
    padding: 6px 12px;
    font-size: 0.85rem;
    color: var(--color-text-muted);
    text-decoration: none;
    border: 1px solid var(--color-border);
    border-radius: 8px;
    transition: color 0.15s, background 0.15s;
}

.header-admin:hover {
    color: var(--color-text);
    background: var(--color-bg-alt);
}

/* ——— Burger (mobile) ——— */
.header-burger {
    display: none;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-width: 44px;
    min-height: 44px;
    gap: 5px;
    padding: 8px;
    background: none;
    border: none;
    cursor: pointer;
}

.header-burger span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--color-text);
    border-radius: 1px;
}

/* ——— Mobile menu ——— */
.header-mobile {
    display: none;
    flex-direction: column;
    gap: 12px;
    padding: 20px 24px;
    background: var(--color-bg);
    border-top: 1px solid var(--color-border);
}

.header-mobile a {
    color: var(--color-text);
    text-decoration: none;
    font-size: 1rem;
}

.header-mobile a:not(.header-cta):hover {
    color: var(--color-accent);
}

.header-mobile .header-cta {
    margin-top: 8px;
    text-align: center;
    display: inline-block;
    padding: 12px 20px;
}

.header-sticky.is-open .header-mobile {
    display: flex;
}

@media (max-width: 768px) {
    .header-links,
    .header-inner .header-admin,
    .header-inner .header-cta {
        display: none;
    }
    .header-burger {
        display: flex;
    }
    .header-inner {
        padding: 12px 16px;
    }
}

@media (max-width: 480px) {
    .header-inner {
        padding: 12px 16px;
    }
}

/* ——— Секции ——— */
.section {
    padding: 80px 0;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 50px;
    font-weight: 700;
    letter-spacing: -0.03em;
    color: var(--color-text);
}

/* ——— Hero ——— */
.hero-section,
.hero {
    padding: 100px 0 80px;
    text-align: center;
    background: linear-gradient(180deg, var(--color-bg) 0%, var(--color-bg-alt) 100%);
}

.hero-section .container {
    max-width: 720px;
}

.hero-languages {
    display: inline-block;
    margin-bottom: 20px;
    padding: 10px 18px;
    background: rgba(37, 99, 235, 0.08);
    border: 1px solid rgba(37, 99, 235, 0.2);
    border-radius: 8px;
    font-size: 0.9rem;
    color: var(--color-text);
}

.hero-badge {
    display: inline-block;
    padding: 8px 16px;
    background: rgba(37, 99, 235, 0.1);
    color: var(--color-accent);
    font-size: 0.875rem;
    font-weight: 600;
    border-radius: 100px;
    letter-spacing: 0.02em;
    margin-bottom: 24px;
}

.hero-eyebrow {
    font-size: 0.95rem;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 16px;
}

.hero-title {
    font-size: clamp(1.75rem, 4vw, 2.75rem);
    font-weight: 700;
    letter-spacing: -0.03em;
    line-height: 1.25;
    max-width: 720px;
    margin: 0 auto 20px;
    color: var(--color-text);
}

.hero-subtitle {
    font-size: 1.2rem;
    color: var(--color-text-muted);
    margin-bottom: 32px;
    line-height: 1.6;
}

.hero-cta {
    margin-top: 28px;
}

.btn-primary {
    display: inline-block;
    padding: 14px 28px;
    background: var(--color-accent);
    color: #fff;
    text-decoration: none;
    border-radius: 10px;
    font-weight: 600;
    font-size: 1rem;
    transition: background 0.2s;
    cursor: pointer;
    position: relative;
    z-index: 1;
}

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

.btn-cta-light {
    background: var(--color-cta-text);
    color: var(--color-cta-bg);
}

.btn-cta-light:hover {
    background: #e2e8f0;
    color: var(--color-cta-bg);
}

/* ——— Problems (light cards) ——— */
.section-light {
    background: var(--color-bg-alt);
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
}

.problem-card-light {
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    padding: 28px 24px;
    border-radius: 16px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.06);
    transition: transform 0.2s, box-shadow 0.2s;
}

.problem-card-light:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
}

.problem-card-light .icon {
    font-size: 2rem;
    margin-bottom: 16px;
}

.problem-card-light h3 {
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--color-text);
}

.problem-card-light p {
    color: var(--color-text-muted);
    font-size: 0.95rem;
    line-height: 1.5;
    margin: 0;
}

/* Legacy glass-card (kept for compatibility) */
.glass-card {
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    padding: 28px 24px;
    border-radius: 16px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.06);
    transition: transform 0.2s, box-shadow 0.2s;
}

.glass-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
}

.glass-card .icon {
    font-size: 2rem;
    margin-bottom: 16px;
}

.glass-card h3 {
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--color-text);
}

.glass-card p {
    color: var(--color-text-muted);
    font-size: 0.95rem;
    line-height: 1.5;
    margin: 0;
}

/* ——— Проблемы (legacy) ——— */
.problems {
    background: #fafafa;
}

.problems-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.problem-card {
    background: #fff;
    border: 1px solid #e5e5e5;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
    display: flex;
    flex-direction: column;
}

.problem-card-media {
    width: 100%;
    aspect-ratio: 16 / 10;
    min-height: 160px;
    background: #eee;
    overflow: hidden;
}

.problem-card-media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.problem-card-body {
    padding: 24px 28px;
    flex: 1;
}

.problem-heading {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 12px;
    color: #1a1a1a;
}

.problem-desc {
    color: #4a4a4a;
    margin-bottom: 16px;
}

.problem-card ul {
    margin: 0;
    padding-left: 20px;
    color: #4a4a4a;
}

.problem-card li {
    margin-bottom: 8px;
}

@media (max-width: 768px) {
    .problems-grid {
        grid-template-columns: 1fr;
    }
    .grid-3 {
        grid-template-columns: 1fr;
    }
    .audience-grid {
        grid-template-columns: 1fr;
    }
    .section-title {
        font-size: 1.8rem;
    }
    .hero-title {
        font-size: 2rem;
    }
}

/* ——— Comparison (Human vs AI table) ——— */
.comparison-intro {
    text-align: center;
    color: var(--color-text-muted);
    margin-bottom: 32px;
    font-size: 1rem;
}

.comparison-table-wrap {
    overflow-x: auto;
    border-radius: 12px;
    border: 1px solid var(--color-border);
    background: var(--color-bg);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.06);
}

.comparison-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.95rem;
}

.comparison-table th,
.comparison-table td {
    padding: 16px 20px;
    text-align: left;
    border-bottom: 1px solid var(--color-border);
}

.comparison-table th {
    background: var(--color-bg-alt);
    font-weight: 600;
    color: var(--color-text);
}

.comparison-table tbody tr:last-child td {
    border-bottom: none;
}

.comparison-table tbody tr:hover td {
    background: rgba(37, 99, 235, 0.02);
}

.comparison-table-ai {
    background: rgba(37, 99, 235, 0.06);
    color: var(--color-text);
    font-weight: 500;
}

.comparison-table th.comparison-table-ai {
    background: rgba(37, 99, 235, 0.1);
    color: var(--color-accent);
}

@media (max-width: 640px) {
    .comparison-table th,
    .comparison-table td {
        padding: 12px 14px;
        font-size: 0.9rem;
    }
}

/* ——— Product Interface ——— */
.product-interface-intro {
    text-align: center;
    color: var(--color-text-muted);
    font-size: 1.05rem;
    max-width: 560px;
    margin: 0 auto 40px;
    line-height: 1.5;
}

.product-interface-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.product-interface-card {
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.06);
}

.product-interface-placeholder,
.product-interface-image {
    aspect-ratio: 16 / 10;
    overflow: hidden;
    border-bottom: 1px solid var(--color-border);
}

.product-interface-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.product-interface-placeholder {
    background: linear-gradient(135deg, var(--color-bg-alt) 0%, #e2e8f0 100%);
    display: flex;
    align-items: center;
    justify-content: center;
}

.product-interface-label {
    font-weight: 600;
    color: var(--color-text-muted);
    font-size: 1rem;
}

.product-interface-desc {
    padding: 20px;
    margin: 0;
    font-size: 0.95rem;
    color: var(--color-text-muted);
    line-height: 1.5;
}

@media (max-width: 768px) {
    .product-interface-grid {
        grid-template-columns: 1fr;
    }
}

/* ——— How It Works (features-minimal) ——— */
.features-minimal {
    max-width: 720px;
    margin: 0 auto;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 20px;
    background: var(--color-bg);
    padding: 24px 28px;
    border-radius: 12px;
    border: 1px solid var(--color-border);
    border-left: 4px solid var(--color-accent);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
}

.feature-item .step-num {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--color-accent);
}

.feature-item p {
    margin: 0;
    color: var(--color-text);
    line-height: 1.5;
}

/* ——— Implementation (steps-container, step-box) ——— */
.steps-container {
    display: flex;
    justify-content: space-between;
    gap: 24px;
    flex-wrap: wrap;
}

.step-box {
    flex: 1;
    min-width: 250px;
    padding: 28px 24px;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: 12px;
    text-align: center;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.06);
}

.step-box h4 {
    color: var(--color-accent);
    margin-bottom: 12px;
    text-transform: uppercase;
    font-size: 0.85rem;
    font-weight: 700;
}

.step-box p {
    margin: 0;
    color: var(--color-text-muted);
    font-size: 0.95rem;
    line-height: 1.5;
}

/* ——— Target Audience ——— */
.audience-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 24px;
}

.audience-card {
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    padding: 32px 28px;
    border-radius: 16px;
    text-align: center;
    transition: transform 0.2s, box-shadow 0.2s;
}

.audience-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
}

.audience-card .audience-icon {
    font-size: 2.5rem;
    margin-bottom: 16px;
}

.audience-card h3 {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--color-text);
}

.audience-card p {
    color: var(--color-text-muted);
    font-size: 0.95rem;
    line-height: 1.5;
    margin: 0;
}

/* ——— CTA block (light theme) ——— */
.section-cta-light,
#cta {
    margin-bottom: 0;
}

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

.section-cta-light .cta-subtitle {
    font-size: 1.05rem;
    color: var(--color-text-muted);
    max-width: 600px;
    margin: 0 auto 40px;
    line-height: 1.6;
    text-align: center;
}

.cta-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.cta-option {
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: 16px;
    padding: 28px 24px;
    text-align: center;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.06);
}

.cta-option-title {
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--color-text);
}

.cta-option-desc {
    font-size: 0.9rem;
    color: var(--color-text-muted);
    margin-bottom: 20px;
    line-height: 1.4;
}

.cta-form {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.cta-input {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--color-border);
    border-radius: 10px;
    font-size: 1rem;
    background: var(--color-bg);
    color: var(--color-text);
    transition: border-color 0.2s;
}

.cta-input::placeholder {
    color: var(--color-text-muted);
}

.cta-input:focus {
    outline: none;
    border-color: var(--color-accent);
}

.btn-cta-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 24px;
    background: var(--color-accent);
    color: #fff;
    border: none;
    border-radius: 10px;
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: background 0.2s;
    width: 100%;
}

.btn-cta-primary:hover {
    background: var(--color-accent-hover);
}

.btn-cta-whatsapp {
    background: #25d366;
}

.btn-cta-whatsapp:hover {
    background: #20bd5a;
}

.btn-cta-telegram {
    background: #0088cc;
}

.btn-cta-telegram:hover {
    background: #0077b5;
}

@media (max-width: 768px) {
    .cta-grid {
        grid-template-columns: 1fr;
    }
}

/* ——— Results / ROI ——— */
.roi-metrics {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-bottom: 40px;
}

.roi-metric {
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: 16px;
    padding: 32px 24px;
    text-align: center;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.06);
}

.roi-value {
    display: block;
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-accent);
    margin-bottom: 8px;
}

.roi-label {
    font-size: 0.95rem;
    color: var(--color-text-muted);
}

.roi-badge-wrap {
    text-align: center;
}

.roi-badge {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    padding: 16px 24px;
    background: rgba(37, 99, 235, 0.08);
    border: 1px solid rgba(37, 99, 235, 0.2);
    border-radius: 12px;
    font-size: 1rem;
    color: var(--color-text);
    max-width: 640px;
}

.roi-badge-icon {
    font-size: 1.5rem;
    flex-shrink: 0;
}

@media (max-width: 640px) {
    .roi-metrics {
        grid-template-columns: 1fr;
    }
    .roi-badge {
        flex-direction: column;
        text-align: center;
    }
}

/* Legacy dark CTA (kept for compatibility) */
.section-cta {
    background: var(--color-cta-bg);
    color: var(--color-cta-text);
    padding: 80px 0;
    text-align: center;
}

.section-cta .section-title {
    color: var(--color-cta-text);
}

.section-cta .btn-cta-light {
    display: inline-block;
    padding: 16px 32px;
    background: var(--color-cta-text);
    color: var(--color-cta-bg);
    text-decoration: none;
    border-radius: 10px;
    font-weight: 600;
    font-size: 1rem;
    transition: background 0.2s, color 0.2s;
}

.section-cta .btn-cta-light:hover {
    background: #e2e8f0;
    color: var(--color-cta-bg);
}

@media (max-width: 768px) {
    .steps-container {
        flex-direction: column;
    }
}

/* ——— Решение ——— */
.solution-block {
    margin-bottom: 40px;
}

.solution-num {
    font-size: 1.35rem;
    font-weight: 700;
    margin-bottom: 20px;
    color: #1a1a1a;
}

.solution-item {
    background: #fafafa;
    border-radius: 10px;
    padding: 20px 24px;
    margin-bottom: 12px;
    border: 1px solid #eee;
}

.solution-item h4 {
    font-size: 1.05rem;
    font-weight: 700;
    margin-bottom: 8px;
    color: #1a1a1a;
}

.solution-item p {
    color: #4a4a4a;
    margin: 0;
}

.solution-summary {
    background: #f0f4f8;
    border-radius: 10px;
    padding: 24px 28px;
    margin: 32px 0 40px;
    border-left: 4px solid #1a1a1a;
}

.solution-summary p {
    margin: 0;
    color: #1a1a1a;
}

.solution .btn-primary {
    display: block;
    text-align: center;
    max-width: 280px;
    margin: 0 auto;
}

/* ——— Как это работает ——— */
.how {
    background: #fff;
}

.how-step {
    background: #fafafa;
    border: 1px solid #e5e5e5;
    border-radius: 12px;
    padding: 28px 32px;
    margin-bottom: 24px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
}

.how-step-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 12px;
    color: #1a1a1a;
}

.how-step-desc {
    color: #4a4a4a;
    margin-bottom: 16px;
}

.how-step-list {
    margin: 0;
    padding-left: 20px;
    color: #4a4a4a;
}

.how-step-list li {
    margin-bottom: 10px;
}

/* ——— Основано на опыте практика ——— */
.experience {
    background: var(--color-bg-alt);
}

.experience-block {
    max-width: 720px;
    margin: 0 auto;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: 12px;
    padding: 36px 40px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
}

.experience-title {
    font-size: 1.35rem;
    font-weight: 700;
    margin-bottom: 20px;
    color: var(--color-text);
}

.experience-block p {
    color: var(--color-text-muted);
    margin-bottom: 16px;
}

.experience-block p:last-child {
    margin-bottom: 0;
}

/* ——— Плейсхолдеры ——— */
.placeholder {
    background: var(--color-bg-alt);
    border-top: 1px solid var(--color-border);
}

.placeholder-text {
    text-align: center;
    color: var(--color-text-muted);
    font-size: 0.95rem;
}

/* ——— Политика конфиденциальности ——— */
.privacy-updated {
    color: #666;
    font-size: 0.95rem;
    margin-bottom: 32px;
}
.privacy-block {
    margin-bottom: 28px;
}
.privacy-block h2 {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 12px;
    color: #1a1a1a;
}
.privacy-block p,
.privacy-block ul {
    color: #4a4a4a;
    margin-bottom: 12px;
}
.privacy-block ul {
    padding-left: 24px;
}
.privacy-block li {
    margin-bottom: 6px;
}

/* ——— Product Showcase ——— */
.showcase-intro {
    text-align: center;
    color: var(--color-text-muted);
    font-size: 1.05rem;
    max-width: 560px;
    margin: 0 auto 40px;
    line-height: 1.5;
}

.showcase-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.showcase-card {
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.06);
    transition: box-shadow 0.2s;
}

.showcase-card:hover {
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
}

.showcase-placeholder,
.showcase-image {
    aspect-ratio: 16 / 10;
    background: var(--color-bg-alt);
    overflow: hidden;
    border-bottom: 1px solid var(--color-border);
}

.showcase-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.showcase-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 8px;
    background: linear-gradient(135deg, var(--color-bg-alt) 0%, #e2e8f0 100%);
}

.showcase-label {
    font-weight: 600;
    color: var(--color-text);
    font-size: 1rem;
}

.showcase-hint {
    font-size: 0.8rem;
    color: var(--color-text-muted);
}

.showcase-desc {
    padding: 20px;
    margin: 0;
    font-size: 0.95rem;
    color: var(--color-text-muted);
    line-height: 1.5;
}

@media (max-width: 768px) {
    .showcase-grid {
        grid-template-columns: 1fr;
    }
}

/* ——— Materials (scripts, presentations) ——— */
.materials-intro {
    text-align: center;
    color: var(--color-text-muted);
    font-size: 1.05rem;
    max-width: 640px;
    margin: 0 auto 32px;
    line-height: 1.6;
}

.materials-list {
    max-width: 760px;
    margin: 0 auto;
}

.material-item {
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: 12px;
    margin-bottom: 12px;
    overflow: hidden;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
}

.material-item summary {
    padding: 18px 20px;
    cursor: pointer;
    list-style: none;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
}

.material-item summary::-webkit-details-marker {
    display: none;
}

.material-summary-main {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.material-title {
    font-weight: 600;
    color: var(--color-text);
    font-size: 1rem;
}

.material-meta {
    font-size: 0.85rem;
    color: var(--color-text-muted);
}

.material-download {
    padding: 8px 14px;
    border-radius: 999px;
    border: 1px solid var(--color-accent);
    background: transparent;
    color: var(--color-accent);
    font-size: 0.85rem;
    font-weight: 500;
    cursor: pointer;
    white-space: nowrap;
    transition: background 0.15s, color 0.15s;
}

.material-download:hover {
    background: var(--color-accent);
    color: #fff;
}

.material-body {
    padding: 0 20px 20px;
    border-top: 1px solid var(--color-border);
}

.material-article h3,
.material-article h4,
.material-article h5 {
    margin-top: 18px;
    margin-bottom: 8px;
    color: var(--color-text);
}

.material-article h3:first-child {
    margin-top: 16px;
}

.material-article p {
    margin: 6px 0;
    font-size: 0.95rem;
    color: var(--color-text-muted);
}

.material-article blockquote {
    margin: 8px 0 10px;
    padding: 8px 12px;
    border-left: 3px solid var(--color-accent);
    background: var(--color-bg-alt);
    font-size: 0.95rem;
    color: var(--color-text);
}

.material-article ul,
.material-article ol {
    margin: 6px 0 10px 20px;
    padding-left: 16px;
    font-size: 0.95rem;
    color: var(--color-text-muted);
}

.material-article li {
    margin-bottom: 4px;
}

.material-article hr {
    border: none;
    border-top: 1px solid var(--color-border);
    margin: 20px 0 12px;
}

@media (max-width: 640px) {
    .material-item summary {
        align-items: flex-start;
        flex-direction: column;
    }
    .material-download {
        align-self: flex-start;
    }
}

/* ——— Integrations ——— */
.integrations-intro {
    text-align: center;
    color: var(--color-text-muted);
    font-size: 1.05rem;
    max-width: 560px;
    margin: 0 auto 32px;
    line-height: 1.5;
}

.integrations-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 12px;
}

.integration-badge {
    display: inline-flex;
    align-items: center;
    padding: 12px 20px;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: 10px;
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--color-text);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
    transition: border-color 0.2s, box-shadow 0.2s;
}

.integration-badge:hover {
    border-color: var(--color-accent);
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.1);
}

/* ——— Pricing ——— */
.pricing-note {
    text-align: center;
    color: var(--color-text-muted);
    font-size: 1rem;
    max-width: 560px;
    margin: 0 auto 32px;
    line-height: 1.5;
}

.pricing-period {
    font-size: 1rem;
    font-weight: 500;
    color: var(--color-text-muted);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    align-items: stretch;
}

.pricing-card {
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: 16px;
    padding: 32px 28px;
    text-align: center;
    position: relative;
    display: flex;
    flex-direction: column;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.06);
}

.pricing-card-popular {
    background: rgba(37, 99, 235, 0.04);
    border-color: var(--color-accent);
    border-width: 2px;
    box-shadow: 0 4px 24px rgba(37, 99, 235, 0.2);
}

.pricing-card-popular .pricing-name {
    color: var(--color-accent);
}

.pricing-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--color-accent);
    color: #fff;
    font-size: 0.75rem;
    font-weight: 600;
    padding: 4px 12px;
    border-radius: 100px;
}

.pricing-name {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--color-text);
}

.pricing-desc {
    font-size: 0.9rem;
    color: var(--color-text-muted);
    margin-bottom: 24px;
}

.pricing-price {
    margin-bottom: 24px;
}

.pricing-amount {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-text);
}

.pricing-features {
    list-style: none;
    margin: 0 0 28px 0;
    padding: 0;
    text-align: left;
}

.pricing-features li {
    padding: 8px 0;
    font-size: 0.95rem;
    color: var(--color-text-muted);
    border-bottom: 1px solid var(--color-border);
}

.pricing-features li:last-child {
    border-bottom: none;
}

.btn-pricing {
    display: block;
    padding: 14px 24px;
    background: var(--color-bg);
    color: var(--color-accent);
    border: 1px solid var(--color-accent);
    border-radius: 10px;
    font-weight: 600;
    text-decoration: none;
    text-align: center;
    margin-top: auto;
    transition: background 0.2s, color 0.2s;
}

.btn-pricing:hover {
    background: rgba(37, 99, 235, 0.08);
}

.btn-pricing-primary {
    background: var(--color-accent);
    color: #fff;
    border-color: var(--color-accent);
}

.btn-pricing-primary:hover {
    background: var(--color-accent-hover);
}

@media (max-width: 768px) {
    .pricing-grid {
        grid-template-columns: 1fr;
    }
}

/* ——— Security ——— */
.security-block {
    max-width: 720px;
    margin: 0 auto;
    text-align: center;
}

.security-title {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--color-text);
}

.security-desc {
    color: var(--color-text-muted);
    margin-bottom: 32px;
    font-size: 1rem;
}

.security-features {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 24px;
}

.security-item {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    text-align: left;
    background: var(--color-bg);
    padding: 24px;
    border-radius: 12px;
    border: 1px solid var(--color-border);
    flex: 1;
    min-width: 200px;
    max-width: 280px;
}

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

.security-item strong {
    display: block;
    font-size: 1rem;
    color: var(--color-text);
    margin-bottom: 6px;
}

.security-item p {
    margin: 0;
    font-size: 0.9rem;
    color: var(--color-text-muted);
    line-height: 1.5;
}

@media (max-width: 640px) {
    .security-features {
        flex-direction: column;
    }
    .security-item {
        max-width: none;
    }
}

/* ——— FAQ accordion ——— */
.faq-list {
    max-width: 640px;
    margin: 0 auto;
}

.faq-item {
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: 12px;
    margin-bottom: 12px;
    overflow: hidden;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
}

.faq-item summary {
    padding: 20px 24px;
    font-weight: 600;
    color: var(--color-text);
    cursor: pointer;
    list-style: none;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.faq-item summary::-webkit-details-marker {
    display: none;
}

.faq-item summary::after {
    content: "+";
    font-size: 1.25rem;
    color: var(--color-accent);
    font-weight: 400;
}

.faq-item[open] summary::after {
    content: "−";
}

.faq-item p {
    padding: 0 24px 20px;
    margin: 0;
    color: var(--color-text-muted);
    font-size: 0.95rem;
    line-height: 1.6;
    border-top: 1px solid var(--color-border);
    padding-top: 16px;
    margin-top: 0;
}

/* ——— Footer ——— */
.footer {
    padding: 48px 0 32px;
    margin-bottom: 0;
    border-top: 1px solid var(--color-border);
    background: var(--color-bg-alt);
}

.footer-inner {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

.footer-brand {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.footer-brand strong {
    font-size: 1.1rem;
    color: var(--color-text);
}

.footer-brand span {
    font-size: 0.85rem;
    color: var(--color-text-muted);
}

.footer-nav {
    display: flex;
    flex-wrap: wrap;
    gap: 8px 24px;
}

.footer-nav a {
    color: var(--color-text-muted);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.15s;
}

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

.footer-contacts {
    display: flex;
    flex-wrap: wrap;
    gap: 8px 20px;
}

.footer-contacts a {
    color: var(--color-text-muted);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.15s;
}

.footer-contacts a:hover {
    color: var(--color-accent);
}

.footer-copy {
    width: 100%;
    text-align: center;
    color: var(--color-text-muted);
    font-size: 0.875rem;
    margin-top: 8px;
}

.footer-copy a {
    color: inherit;
}

@media (max-width: 640px) {
    .footer-inner {
        flex-direction: column;
        text-align: center;
    }
    .footer-nav,
    .footer-contacts {
        justify-content: center;
    }
}


@media (max-width: 640px) {
    .section {
        padding: 48px 0;
    }
    .hero,
    .hero-section {
        padding: 80px 0 60px;
    }
    .problem-card,
    .solution-item {
        padding: 20px;
    }
}

@media (max-width: 480px) {
    .section-title {
        font-size: 1.5rem;
        margin-bottom: 32px;
    }
    .hero-title {
        font-size: 1.65rem;
    }
}

/* ——— Floating contact widget (слева) + голосовой виджет (справа) ——— */
.float-widget {
    position: fixed;
    bottom: 24px;
    z-index: 999;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.float-widget-left {
    left: 24px;
    right: auto;
}

@media (max-width: 480px) {
    .float-widget,
    .float-widget-left {
        bottom: 16px;
        left: 16px;
    }
}

.float-btn {
    width: 52px;
    height: 52px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
    transition: transform 0.2s, box-shadow 0.2s;
    border: none;
    cursor: pointer;
    position: relative;
}

.float-btn:hover {
    transform: scale(1.08);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.2);
}

.float-btn-messengers {
    background: linear-gradient(135deg, #0088cc 0%, #25d366 100%);
    color: #fff;
}

.float-btn-messengers svg:first-of-type {
    width: 24px;
    height: 24px;
}

.float-btn-wa-icon {
    position: absolute;
    bottom: 6px;
    right: 6px;
    width: 14px;
    height: 14px;
    background: #fff;
    border-radius: 50%;
    padding: 2px;
}

.float-widget-dropdown {
    position: absolute;
    bottom: 100%;
    left: 0;
    margin-bottom: 10px;
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
    overflow: hidden;
    display: none;
    flex-direction: column;
    min-width: 140px;
}

.float-widget-dropdown.is-open {
    display: flex;
}

.float-dropdown-item {
    padding: 12px 16px;
    color: #1e293b;
    text-decoration: none;
    font-size: 0.9rem;
    transition: background 0.15s;
}

.float-dropdown-item:hover {
    background: #f8fafc;
}

.float-dropdown-item:first-child {
    border-bottom: 1px solid #e2e8f0;
}

/* ——— Voice widget: ensure visible, remove from document flow ——— */
body > ai-voice-widget {
    display: block !important;
    visibility: visible !important;
    position: fixed !important;
    bottom: 24px !important;
    right: 24px !important;
    left: auto !important;
    margin: 0 !important;
    padding: 0 !important;
    z-index: 999999 !important;
    width: auto !important;
    height: auto !important;
}

/* Ensure footer is the last element in document flow; widgets stay fixed overlay */
.footer,
.site-footer {
    margin-bottom: 0 !important;
}

/* ——— Demo Modal ——— */
.modal-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(15, 23, 42, 0.6);
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
    z-index: 10000;
    align-items: center;
    justify-content: center;
    padding: 24px;
}

.modal-overlay.active {
    display: flex;
}

.modal-content {
    background: var(--color-bg);
    border-radius: 16px;
    padding: 32px;
    max-width: 440px;
    width: 100%;
    position: relative;
    box-shadow: 0 24px 48px rgba(0, 0, 0, 0.2);
}

.modal-close {
    position: absolute;
    top: 16px;
    right: 16px;
    width: 36px;
    height: 36px;
    border: none;
    background: transparent;
    font-size: 28px;
    line-height: 1;
    color: var(--color-text-muted);
    cursor: pointer;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: color 0.15s;
}

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

.modal-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: 12px;
    padding-right: 40px;
}

.modal-subtitle {
    font-size: 0.95rem;
    color: var(--color-text-muted);
    line-height: 1.5;
    margin-bottom: 24px;
}

.modal-form {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.modal-input {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--color-border);
    border-radius: 10px;
    font-size: 1rem;
    background: var(--color-bg);
    color: var(--color-text);
    transition: border-color 0.2s;
}

.modal-input::placeholder {
    color: var(--color-text-muted);
}

.modal-input:focus {
    outline: none;
    border-color: var(--color-accent);
}

.modal-submit {
    padding: 14px 24px;
    background: var(--color-accent);
    color: #fff;
    border: none;
    border-radius: 10px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s;
}

.modal-submit:hover {
    background: var(--color-accent-hover);
}

@media (max-width: 480px) {
    .modal-overlay {
        padding: 16px;
        align-items: flex-end;
    }
    .modal-content {
        padding: 24px 20px;
        max-width: none;
        border-radius: 16px 16px 0 0;
    }
    .modal-title {
        font-size: 1.25rem;
        padding-right: 36px;
    }
    .modal-subtitle {
        font-size: 0.9rem;
        margin-bottom: 20px;
    }
}

body.modal-open {
    overflow: hidden;
}