/* === BRAIN-SECTIONS.CSS ===
 * Стили всех секций лендинга brain.ai-platform.space
 * Использует CSS-переменные из v2.css (gold + electric)
 */

/* === Общие стили секций === */
.brain-section {
    position: relative;
    padding: 96px 0;
    overflow: hidden;
}

/* Subtle radial-gradient orb внутри каждой секции (принцип "воздух между секциями") */
.brain-section::before {
    content: "";
    position: absolute;
    top: 50%; left: 50%;
    transform: translate(-50%, -50%);
    width: 1100px;
    height: 1100px;
    background: radial-gradient(circle,
        rgba(255, 215, 0, 0.05) 0%,
        rgba(255, 215, 0, 0.02) 40%,
        transparent 70%);
    pointer-events: none;
    z-index: 0;
}

.brain-section > .mkt-container {
    position: relative;
    z-index: 1;
}

/* Чередование цветов orbs между секциями */
.brain-section:nth-child(even)::before {
    background: radial-gradient(circle,
        rgba(0, 240, 255, 0.05) 0%,
        rgba(0, 240, 255, 0.02) 40%,
        transparent 70%);
}

/* Scroll-reveal для секций (только когда JS добавит .js-reveal на корень)
   Default: всё видимое. JS добавит .js-reveal → opacity:0 → IntersectionObserver выдаёт .is-revealed */
html.js-reveal .brain-section .brain-section-head,
html.js-reveal .brain-section .pain-card,
html.js-reveal .brain-section .how-step,
html.js-reveal .brain-section .feature-card,
html.js-reveal .brain-section .business-stage,
html.js-reveal .brain-section .faq-item,
html.js-reveal .brain-section .trigger-card,
html.js-reveal .brain-section .case-terminal,
html.js-reveal .brain-section .why-now-grid,
html.js-reveal .brain-section .manifesto-card {
    opacity: 0;
    transform: translateY(28px);
    transition:
        opacity 0.6s var(--ease-out-quart),
        transform 0.6s var(--ease-out-quart);
}

html.js-reveal .brain-section.is-revealed .brain-section-head,
html.js-reveal .brain-section.is-revealed .pain-card,
html.js-reveal .brain-section.is-revealed .how-step,
html.js-reveal .brain-section.is-revealed .feature-card,
html.js-reveal .brain-section.is-revealed .business-stage,
html.js-reveal .brain-section.is-revealed .faq-item,
html.js-reveal .brain-section.is-revealed .trigger-card,
html.js-reveal .brain-section.is-revealed .case-terminal,
html.js-reveal .brain-section.is-revealed .why-now-grid,
html.js-reveal .brain-section.is-revealed .manifesto-card {
    opacity: 1;
    transform: translateY(0);
}

/* Stagger для cards внутри секции */
.brain-section.is-revealed .pain-card:nth-child(1),
.brain-section.is-revealed .feature-card:nth-child(1),
.brain-section.is-revealed .trigger-card:nth-child(1),
.brain-section.is-revealed .business-stage:nth-child(1) { transition-delay: 0.1s; }
.brain-section.is-revealed .pain-card:nth-child(2),
.brain-section.is-revealed .feature-card:nth-child(2),
.brain-section.is-revealed .trigger-card:nth-child(2),
.brain-section.is-revealed .business-stage:nth-child(2) { transition-delay: 0.2s; }
.brain-section.is-revealed .pain-card:nth-child(3),
.brain-section.is-revealed .feature-card:nth-child(3),
.brain-section.is-revealed .trigger-card:nth-child(3),
.brain-section.is-revealed .business-stage:nth-child(3) { transition-delay: 0.3s; }
.brain-section.is-revealed .pain-card:nth-child(4),
.brain-section.is-revealed .feature-card:nth-child(4),
.brain-section.is-revealed .trigger-card:nth-child(4) { transition-delay: 0.4s; }
.brain-section.is-revealed .feature-card:nth-child(5),
.brain-section.is-revealed .trigger-card:nth-child(5) { transition-delay: 0.5s; }
.brain-section.is-revealed .feature-card:nth-child(6) { transition-delay: 0.6s; }

@media (prefers-reduced-motion: reduce) {
    .brain-section .brain-section-head,
    .pain-card, .how-step, .feature-card, .business-stage,
    .faq-item, .trigger-card, .case-terminal, .why-now-grid, .manifesto-card {
        opacity: 1 !important;
        transform: none !important;
        transition: none !important;
    }
}

.brain-section-head {
    text-align: center;
    max-width: 720px;
    margin: 0 auto 56px;
}

.brain-section-eyebrow {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: 12px;
    color: var(--gold);
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 16px;
    padding: 6px 14px;
    border: 1px solid var(--gold-dim);
    border-radius: 50px;
    background: rgba(255, 215, 0, 0.04);
}

.brain-section-title {
    font-family: var(--font-display);
    font-size: clamp(28px, 4vw, 44px);
    font-weight: 700;
    line-height: 1.15;
    margin-bottom: 16px;
    color: var(--text-primary);
}

.brain-section-subtitle {
    font-size: clamp(15px, 1.6vw, 17px);
    color: var(--text-secondary);
    line-height: 1.6;
}

.gradient-text {
    background: var(--gradient-text);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    color: transparent;
}

/* ================================================== */
/* === HERO ========================================== */
/* ================================================== */
.mkt-hero {
    position: relative;
    min-height: 100vh;
    padding: 25px 0 60px;
    display: flex;
    align-items: center;
    overflow: hidden;
}

.mkt-hero-grid {
    display: grid !important;
    grid-template-columns: minmax(0, 1fr) minmax(500px, 540px) !important;
    gap: 40px !important;
    align-items: center;
    position: relative;
    z-index: 2;
    flex-direction: row !important;
}

.mkt-hero-visual {
    max-width: none !important;
    width: 100% !important;
    flex: none !important;
}

@media (max-width: 1280px) {
    .mkt-hero-grid {
        grid-template-columns: minmax(0, 1fr) minmax(460px, 500px) !important;
        gap: 32px !important;
    }
}

.mkt-hero-content {
    display: flex;
    flex-direction: column;
    gap: 16px;
    min-width: 0;
}

/* Badges */
.mkt-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.mkt-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    border-radius: 50px;
    font-size: 12px;
    font-weight: 500;
    border: 1px solid var(--border);
    background: rgba(255, 255, 255, 0.03);
    backdrop-filter: blur(8px);
}

.mkt-badge-gold {
    color: var(--gold);
    border-color: var(--gold-dim);
    background: rgba(255, 215, 0, 0.08);
}

.mkt-badge-electric {
    color: var(--electric);
    border-color: var(--electric-dim);
    background: rgba(0, 240, 255, 0.08);
}

.mkt-badge-blue {
    color: var(--blue);
    border-color: rgba(59, 130, 246, 0.2);
    background: rgba(59, 130, 246, 0.08);
}

/* Hero title */
.mkt-hero-title {
    font-family: var(--font-display);
    font-size: clamp(34px, 4.6vw, 58px);
    font-weight: 700;
    line-height: 1.08;
    margin: 0;
    letter-spacing: -0.02em;
    word-spacing: normal;
}

.mkt-hero-typewriter {
    font-size: clamp(15px, 1.8vw, 18px);
    color: var(--text-secondary);
    min-height: 1.7em;
    margin: 0;
    display: flex;
    align-items: center;
    gap: 4px;
}
.brain-typewriter {
    display: inline-block;
    min-height: 1.4em;
}
.brain-typewriter::after {
    content: "";
    display: inline-block;
    width: 8px;
    height: 1em;
    background: var(--gold);
    margin-left: 2px;
    vertical-align: text-bottom;
    animation: tw-cursor 0.9s steps(2) infinite;
}
@keyframes tw-cursor {
    0%, 49%   { opacity: 1; }
    50%, 100% { opacity: 0; }
}

/* Slogan - главный лозунг */
.brain-slogan {
    margin: 8px 0;
    padding: 18px 22px;
    border-left: 3px solid var(--gold);
    background: linear-gradient(90deg, rgba(255, 215, 0, 0.05), transparent);
    font-style: italic;
    font-size: clamp(15px, 1.5vw, 17px);
    line-height: 1.6;
    color: var(--text-primary);
    border-radius: 0 12px 12px 0;
}

/* Client quote */
.brain-client-quote {
    display: flex;
    flex-direction: column;
    gap: 4px;
    margin: 4px 0;
}

.brain-client-quote-text {
    font-style: italic;
    font-size: 15px;
    color: var(--text-secondary);
    margin: 0;
}

.brain-client-quote-author {
    font-size: 12px;
    color: var(--text-muted);
    margin: 0;
}

/* CTA buttons */
.mkt-hero-cta {
    display: flex;
    gap: 12px;
    margin-bottom: 1px;
    flex-wrap: wrap;
}

.mkt-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 22px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 15px;
    cursor: pointer;
    border: none;
    transition: all 0.3s var(--ease-out-quart);
    text-decoration: none;
    font-family: var(--font-body);
}

.mkt-btn-primary {
    background: var(--gradient-gold);
    color: #0a0a0a;
}

.mkt-btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 32px rgba(255, 215, 0, 0.4);
}

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

.mkt-btn-ghost:hover {
    border-color: var(--gold);
    color: var(--gold);
}

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

.mkt-btn-glow::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg,
        transparent 0%,
        rgba(255, 255, 255, 0.4) 50%,
        transparent 100%);
    transform: translateX(-100%);
    transition: transform 0.6s var(--ease-out-quart);
}

.mkt-btn-glow:hover::before {
    transform: translateX(100%);
}

.mkt-btn-lg {
    padding: 16px 32px;
    font-size: 17px;
}

.mkt-btn-full {
    width: 100%;
    justify-content: center;
}

/* Hero meta */
.mkt-hero-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 16px 22px;
    margin: 5px 0 5px;
    font-size: 13px;
    color: var(--text-muted);
}

/* Hero stats */
.mkt-stats {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 18px 22px;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border);
    border-radius: 16px;
    margin-top: 8px;
}

.mkt-stat {
    display: flex;
    flex-direction: column;
    gap: 2px;
    flex: 1;
}

.mkt-stat-value {
    font-family: var(--font-display);
    font-size: 28px;
    font-weight: 700;
    color: var(--gold);
    line-height: 1;
}

.mkt-stat-unit {
    font-size: 13px;
    color: var(--text-secondary);
}

.mkt-stat-label {
    font-size: 11px;
    color: var(--text-muted);
    line-height: 1.3;
}

.mkt-stat-divider {
    width: 1px;
    height: 32px;
    background: var(--border);
}

/* Hero visual (Brain Pipeline holder) */
.mkt-hero-visual {
    position: relative;
    width: 100%;
    min-width: 0;
    min-height: 580px;
    height: 100%;
    display: flex;
    align-items: center;
}
.mkt-hero-visual > .brain-pipeline { flex: 1; }

/* ================================================== */
/* === HEADER ======================================== */
/* ================================================== */
.mkt-header {
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    background: color-mix(in srgb, var(--bg-primary) 75%, transparent);
    border-bottom: 1px solid var(--border);
    padding: 12px 0;
}

.mkt-header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
}

.mkt-logo {
    font-family: var(--font-display);
    font-size: 22px;
    font-weight: 800;
    color: var(--gold);
    text-decoration: none;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    gap: 6px;
}

.mkt-logo span {
    color: var(--text-secondary);
    font-weight: 400;
    font-size: 12px;
    letter-spacing: 1px;
}

.mkt-nav {
    display: flex;
    align-items: center;
    gap: 22px;
}

.mkt-nav-cta {
    padding: 8px 16px;
    border-radius: 50px;
    background: var(--gradient-gold);
    color: #0a0a0a !important;
    font-weight: 600;
    font-size: 13px;
}

.mkt-header-actions {
    display: flex;
    align-items: center;
    gap: 8px;
}

/* Burger button - скрыт на desktop, виден на mobile */
.mkt-burger {
    display: none;
    width: 38px;
    height: 38px;
    background: transparent;
    border: 1px solid var(--border);
    border-radius: 10px;
    cursor: pointer;
    position: relative;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 4px;
    padding: 0;
    transition: all 0.2s var(--ease-out-quart);
}

.mkt-burger:hover {
    border-color: var(--gold);
}

.mkt-burger-line {
    display: block;
    width: 18px;
    height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: all 0.3s var(--ease-out-quart);
}

.mkt-burger[aria-expanded="true"] .mkt-burger-line:nth-child(1) {
    transform: translateY(6px) rotate(45deg);
}
.mkt-burger[aria-expanded="true"] .mkt-burger-line:nth-child(2) {
    opacity: 0;
}
.mkt-burger[aria-expanded="true"] .mkt-burger-line:nth-child(3) {
    transform: translateY(-6px) rotate(-45deg);
}

.mkt-lang-switch {
    background: transparent;
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 6px 8px;
    color: var(--text-secondary);
    font-family: var(--font-body);
    font-size: 12px;
    cursor: pointer;
}

.mkt-theme-toggle {
    background: none;
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 6px 8px;
    cursor: pointer;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    transition: all 0.2s;
}

.mkt-theme-toggle:hover {
    color: var(--text-primary);
    border-color: var(--gold);
}

.mkt-icon-sun { display: none; }
.mkt-icon-moon { display: inline; }
html.light-theme .mkt-icon-sun { display: inline; }
html.light-theme .mkt-icon-moon { display: none; }

/* ================================================== */
/* === TRIGGER QUESTIONS ============================= */
/* ================================================== */
.brain-triggers { padding: 80px 0; }

.trigger-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 16px;
    margin-bottom: 32px;
}

.trigger-card {
    position: relative;
    padding: 22px 18px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 16px;
    transition: all 0.3s var(--ease-out-quart);
}

.trigger-card.is-yes {
    border-color: var(--green);
    background: rgba(16, 185, 129, 0.05);
}

.trigger-card.is-no {
    border-color: var(--red);
    background: rgba(239, 68, 68, 0.05);
}

.trigger-card-num {
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--gold);
    letter-spacing: 1px;
    margin-bottom: 8px;
}

.trigger-card-text {
    font-family: var(--font-display);
    font-size: 16px;
    font-weight: 600;
    line-height: 1.4;
    color: var(--text-primary);
    margin: 0 0 16px;
    min-height: 3em;
}

.trigger-card-actions {
    display: flex;
    gap: 8px;
}

.trigger-btn {
    flex: 1;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 10px 12px;
    border: 1px solid var(--border);
    background: rgba(255, 255, 255, 0.02);
    border-radius: 10px;
    font-size: 13px;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.2s var(--ease-out-quart);
    font-family: var(--font-body);
}

.trigger-btn-yes:hover,
.trigger-btn-yes.is-active {
    background: rgba(16, 185, 129, 0.15);
    border-color: var(--green);
    color: var(--green);
}

.trigger-btn-no:hover,
.trigger-btn-no.is-active {
    background: rgba(239, 68, 68, 0.15);
    border-color: var(--red);
    color: var(--red);
}

.trigger-btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

.trigger-result {
    text-align: center;
    padding: 32px;
    background: linear-gradient(135deg, rgba(255, 215, 0, 0.05), rgba(0, 240, 255, 0.05));
    border: 1px solid var(--gold-dim);
    border-radius: 20px;
    max-width: 540px;
    margin: 0 auto;
    animation: trigger-result-in 0.6s var(--ease-out-quart);
}

@keyframes trigger-result-in {
    from { opacity: 0; transform: translateY(20px); }
    to   { opacity: 1; transform: translateY(0); }
}

.trigger-result-icon { font-size: 40px; margin-bottom: 12px; }

.trigger-result-title {
    font-family: var(--font-display);
    font-size: 24px;
    font-weight: 700;
    color: var(--gold);
    margin: 0 0 8px;
}

.trigger-result-text {
    color: var(--text-secondary);
    margin: 0 0 20px;
    line-height: 1.5;
}

/* ================================================== */
/* === PAIN ========================================== */
/* ================================================== */
.pain-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
}

.pain-card {
    position: relative;
    padding: 28px 24px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 18px;
    transition: all 0.3s var(--ease-out-quart);
}

.pain-card:hover {
    border-color: var(--gold-dim);
    transform: translateY(-4px);
}

.pain-card-icon {
    font-size: 32px;
    margin-bottom: 16px;
}

.pain-card-quote {
    font-family: var(--font-display);
    font-size: 17px;
    font-style: italic;
    line-height: 1.5;
    color: var(--text-primary);
    margin: 0 0 14px;
}

.pain-card-author {
    font-size: 12px;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* ================================================== */
/* === HOW =========================================== */
/* ================================================== */
.how-steps {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
}

.how-step {
    flex: 1;
    min-width: 250px;
    max-width: 320px;
    padding: 28px 24px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 18px;
    text-align: center;
    position: relative;
    transition: all 0.3s var(--ease-out-quart);
}

.how-step-featured {
    border-color: var(--gold);
    background: linear-gradient(135deg, rgba(255, 215, 0, 0.05), transparent);
    box-shadow: 0 12px 32px rgba(255, 215, 0, 0.1);
}

.how-step-num {
    display: inline-block;
    width: 44px;
    height: 44px;
    line-height: 44px;
    border-radius: 50%;
    background: var(--gradient-gold);
    color: #0a0a0a;
    font-family: var(--font-display);
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 12px;
}

.how-step-icon { font-size: 32px; margin-bottom: 12px; }

.how-step-title {
    font-family: var(--font-display);
    font-size: 18px;
    font-weight: 700;
    margin: 0 0 8px;
    color: var(--text-primary);
}

.how-step-desc {
    color: var(--text-secondary);
    font-size: 14px;
    line-height: 1.5;
    margin: 0 0 16px;
}

.how-step-badge {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 50px;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 1px;
    text-transform: uppercase;
}

.how-step-badge-free {
    background: rgba(16, 185, 129, 0.15);
    color: var(--green);
}

.how-step-badge-paid {
    background: rgba(255, 215, 0, 0.15);
    color: var(--gold);
}

.how-arrow {
    flex: 0 0 80px;
    color: var(--gold);
    opacity: 0.85;
    filter: drop-shadow(0 0 8px rgba(255, 215, 0, 0.4));
    animation: how-arrow-pulse 2.5s ease-in-out infinite;
}

.how-arrow svg { width: 100%; height: auto; }

@keyframes how-arrow-pulse {
    0%, 100% { opacity: 0.5; transform: translateX(0); }
    50%      { opacity: 1; transform: translateX(4px); }
}

@media (prefers-reduced-motion: reduce) {
    .how-arrow { animation: none !important; transform: none !important; }
}

@media (max-width: 920px) {
    .how-arrow { transform: rotate(90deg); flex-basis: 40px; }
}

/* ================================================== */
/* === WHAT WORKS (features grid) ==================== */
/* ================================================== */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
}

.feature-card {
    position: relative;
    padding: 24px 20px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 18px;
    overflow: hidden;
    transition: all 0.3s var(--ease-out-quart);
}

.feature-card:hover {
    border-color: var(--electric-dim);
    transform: translateY(-3px);
    box-shadow: 0 12px 32px rgba(0, 240, 255, 0.1);
}

.feature-card-icon {
    font-size: 28px;
    margin-bottom: 12px;
}

.feature-card-title {
    font-family: var(--font-display);
    font-size: 17px;
    font-weight: 700;
    margin: 0 0 8px;
    color: var(--text-primary);
}

.feature-card-desc {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.5;
    margin: 0 0 14px;
}

.feature-card-proof {
    display: flex;
    align-items: center;
    gap: 6px;
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--green);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.feature-card-proof-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--green);
    box-shadow: 0 0 6px var(--green);
    animation: feature-proof-pulse 2s ease-in-out infinite;
}

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

.feature-card-graph {
    position: absolute;
    top: 16px;
    right: 16px;
    width: 80px;
    height: 40px;
    opacity: 0;
    transition: opacity 0.3s var(--ease-out-quart);
    pointer-events: none;
}

.feature-card:hover .feature-card-graph {
    opacity: 0.5;
}

.fc-node {
    fill: var(--gold);
}

.fc-node-main {
    fill: var(--electric);
}

.fc-edge {
    stroke: var(--gold);
    stroke-width: 1;
    opacity: 0.5;
}

/* ================================================== */
/* === CASE STUDY (Bloomberg terminal) =============== */
/* ================================================== */
.case-terminal {
    max-width: 720px;
    margin: 0 auto;
    background: linear-gradient(180deg, #0d0d0d 0%, #050505 100%);
    border: 1px solid var(--border);
    border-radius: 18px;
    padding: 28px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.6);
}

html.light-theme .case-terminal {
    background: linear-gradient(180deg, #fff 0%, #f5f1e8 100%);
    box-shadow: 0 20px 60px rgba(80, 60, 30, 0.15);
}

.case-msg {
    margin-bottom: 24px;
}

.case-msg-header {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 8px;
    font-size: 12px;
    color: var(--text-muted);
}

.case-msg-avatar { font-size: 18px; }
.case-msg-author { font-weight: 600; color: var(--text-primary); }
.case-msg-time { margin-left: auto; font-family: var(--font-mono); }

.case-msg-body {
    padding: 14px 18px;
    border-radius: 14px;
    font-size: 15px;
    line-height: 1.5;
    color: var(--text-primary);
}

.case-msg-user .case-msg-body {
    background: rgba(255, 255, 255, 0.04);
    border-left: 3px solid var(--blue);
}

.case-msg-brain .case-msg-body {
    background: rgba(255, 215, 0, 0.06);
    border-left: 3px solid var(--gold);
}

.case-msg-body-mono { font-family: var(--font-mono); font-size: 13px; }

/* Funnel visualization */
.case-funnel {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-bottom: 14px;
}

.case-funnel-step {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 8px 12px;
    background: rgba(0, 240, 255, 0.06);
    border-left: 2px solid var(--electric);
    border-radius: 0 10px 10px 0;
    width: var(--width, 100%);
    transition: width 0.6s var(--ease-out-quart);
}

.case-funnel-step-final {
    background: rgba(255, 215, 0, 0.1);
    border-left-color: var(--gold);
}

.case-funnel-label {
    font-family: var(--font-display);
    font-size: 22px;
    font-weight: 700;
    color: var(--gold);
    min-width: 36px;
}

.case-funnel-desc {
    font-size: 13px;
    color: var(--text-secondary);
}

.case-funnel-desc em {
    color: var(--electric);
    font-style: normal;
    font-weight: 600;
    margin-left: 6px;
}

.case-source {
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--text-muted);
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    align-items: center;
}

.case-source code {
    padding: 2px 6px;
    background: rgba(0, 240, 255, 0.1);
    border-radius: 4px;
    color: var(--electric);
    font-size: 10px;
}

.case-disclaimer {
    text-align: center;
    font-size: 12px;
    color: var(--text-muted);
    margin: 24px auto 0;
    max-width: 540px;
    font-style: italic;
}

/* ================================================== */
/* === WHY NOW ======================================= */
/* ================================================== */
.why-now-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: center;
}

.why-now-text {
    color: var(--text-secondary);
    font-size: 16px;
    line-height: 1.7;
    margin: 14px 0;
}

.why-now-highlight {
    margin-top: 18px;
    padding: 14px 18px;
    border-left: 3px solid var(--gold);
    background: rgba(255, 215, 0, 0.05);
    font-weight: 600;
    color: var(--text-primary);
    border-radius: 0 12px 12px 0;
}

.why-now-comparison {
    display: flex;
    align-items: center;
    gap: 16px;
}

.why-now-card {
    flex: 1;
    padding: 20px;
    border-radius: 16px;
    border: 1px solid var(--border);
}

.why-now-card-old {
    background: rgba(239, 68, 68, 0.04);
    border-color: rgba(239, 68, 68, 0.25);
    opacity: 0.85;
    position: relative;
}
.why-now-card-old::after {
    content: "";
    position: absolute;
    top: 50%;
    left: 12%;
    right: 12%;
    height: 2px;
    background: rgba(239, 68, 68, 0.5);
    transform: rotate(-3deg);
    pointer-events: none;
}
.why-now-card-old .why-now-card-price {
    color: rgba(239, 68, 68, 0.85);
    text-decoration: line-through;
    text-decoration-color: rgba(239, 68, 68, 0.6);
}

.why-now-card-new {
    background: linear-gradient(135deg, rgba(255, 215, 0, 0.10), rgba(0, 240, 255, 0.08));
    border-color: var(--gold);
    box-shadow: 0 12px 40px rgba(255, 215, 0, 0.18),
                inset 0 0 24px rgba(255, 215, 0, 0.04);
    transform: scale(1.02);
}
.why-now-card-new .why-now-card-price {
    background: var(--gradient-text);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    color: transparent;
    font-size: 38px !important;
}

.why-now-card-label {
    font-family: var(--font-mono);
    font-size: 11px;
    text-transform: uppercase;
    color: var(--text-muted);
    margin-bottom: 8px;
    letter-spacing: 1px;
}

.why-now-card-price {
    font-family: var(--font-display);
    font-size: 32px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 14px;
}

.why-now-card-new .why-now-card-price {
    color: var(--gold);
}

.why-now-card-list {
    list-style: none;
    padding: 0;
    margin: 0;
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.8;
}

.why-now-vs {
    font-size: 28px;
    color: var(--gold);
    flex-shrink: 0;
}

@media (max-width: 920px) {
    .why-now-grid { grid-template-columns: 1fr; }
    .why-now-comparison { flex-direction: column; }
    .why-now-vs { transform: rotate(90deg); }
}

/* ================================================== */
/* === FAQ =========================================== */
/* ================================================== */
.faq-list {
    max-width: 720px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.faq-item {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 14px;
    transition: all 0.3s var(--ease-out-quart);
    overflow: hidden;
}

.faq-item[open] {
    border-color: var(--gold-dim);
    background: rgba(255, 215, 0, 0.02);
}

.faq-summary {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 18px 22px;
    cursor: pointer;
    list-style: none;
    user-select: none;
}

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

.faq-q {
    font-family: var(--font-display);
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
}

.faq-chevron { color: var(--gold); flex-shrink: 0; }

.faq-a {
    padding: 0 22px 20px;
    color: var(--text-secondary);
    line-height: 1.6;
    font-size: 15px;
}

/* ================================================== */
/* === BUSINESS MODEL ================================ */
/* ================================================== */
.business-stages {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
    margin-bottom: 32px;
}

.business-stage {
    padding: 28px 24px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 18px;
    transition: all 0.3s var(--ease-out-quart);
    position: relative;
}

.business-stage-paid {
    border-color: var(--gold);
    background: linear-gradient(135deg, rgba(255, 215, 0, 0.05), transparent);
    box-shadow: 0 12px 32px rgba(255, 215, 0, 0.08);
}

.business-stage-num {
    font-family: var(--font-mono);
    font-size: 14px;
    color: var(--gold);
    margin-bottom: 14px;
    letter-spacing: 1px;
}

.business-stage-title {
    font-family: var(--font-display);
    font-size: 19px;
    font-weight: 700;
    margin: 0 0 8px;
    color: var(--text-primary);
}

.business-stage-desc {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.5;
    margin: 0 0 16px;
    min-height: 4em;
}

.business-stage-price {
    display: inline-block;
    padding: 6px 14px;
    border-radius: 50px;
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.business-stage-price-free {
    background: rgba(16, 185, 129, 0.15);
    color: var(--green);
}

.business-stage-price-paid {
    background: rgba(255, 215, 0, 0.15);
    color: var(--gold);
}

.business-stage-hint {
    display: block;
    margin-top: 10px;
    font-size: 11px;
    color: var(--text-muted);
    font-style: italic;
}

.business-quote {
    text-align: center;
    font-style: italic;
    font-size: 18px;
    color: var(--text-primary);
    max-width: 600px;
    margin: 24px auto 0;
}

.business-quote small {
    display: block;
    margin-top: 8px;
    font-size: 13px;
    color: var(--text-muted);
    font-style: normal;
}

/* ================================================== */
/* === MANIFESTO ===================================== */
/* ================================================== */
.manifesto-card {
    position: relative;
    padding: 56px 48px;
    background: linear-gradient(135deg, rgba(255, 215, 0, 0.04), rgba(0, 240, 255, 0.04));
    border: 1px solid var(--border);
    border-radius: 24px;
    overflow: hidden;
    max-width: 900px;
    margin: 0 auto;
}

.manifesto-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(60px);
    pointer-events: none;
}

.manifesto-orb-1 {
    width: 300px; height: 300px;
    top: -100px; left: -100px;
    background: var(--gold);
    opacity: 0.1;
}

.manifesto-orb-2 {
    width: 280px; height: 280px;
    bottom: -100px; right: -100px;
    background: var(--electric);
    opacity: 0.1;
}

.manifesto-eyebrow { margin-bottom: 12px; }

.manifesto-title {
    position: relative;
    font-family: var(--font-display);
    font-size: clamp(26px, 3.5vw, 38px);
    font-weight: 700;
    line-height: 1.2;
    margin: 0 0 28px;
    background: var(--gradient-text);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.manifesto-quote {
    position: relative;
    margin: 0;
    border: none;
    padding: 0;
}

.manifesto-quote p {
    font-size: 17px;
    line-height: 1.7;
    color: var(--text-primary);
    margin: 0 0 16px;
}

.manifesto-emphasis {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 22px !important;
    color: var(--gold) !important;
}

.manifesto-author {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-top: 32px;
    padding-top: 24px;
    border-top: 1px solid var(--border);
}

.manifesto-author-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--gradient-gold);
    color: #0a0a0a;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-display);
    font-size: 20px;
    font-weight: 700;
}

.manifesto-author-info { display: flex; flex-direction: column; }

.manifesto-author-name {
    font-weight: 700;
    color: var(--text-primary);
}

.manifesto-author-role {
    font-size: 13px;
    color: var(--text-muted);
}

/* ================================================== */
/* === FINAL CTA ===================================== */
/* ================================================== */
.brain-final-cta {
    position: relative;
    text-align: center;
}

.brain-cta-center {
    position: relative;
    max-width: 720px;
}

.brain-cta-pulse-orb {
    position: absolute;
    top: 50%; left: 50%;
    transform: translate(-50%, -50%);
    width: 600px;
    height: 600px;
    border-radius: 50%;
    background: radial-gradient(circle,
        rgba(255, 215, 0, 0.08) 0%,
        rgba(0, 240, 255, 0.04) 40%,
        transparent 70%);
    pointer-events: none;
    z-index: 0;
    animation: cta-orb-pulse 4s ease-in-out infinite;
}

@keyframes cta-orb-pulse {
    0%, 100% { transform: translate(-50%, -50%) scale(1); opacity: 0.7; }
    50%      { transform: translate(-50%, -50%) scale(1.1); opacity: 1; }
}

.brain-cta-title {
    position: relative;
    font-family: var(--font-display);
    font-size: clamp(28px, 4vw, 42px);
    font-weight: 700;
    margin: 0 0 14px;
    background: var(--gradient-text);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    z-index: 1;
}

.brain-cta-subtitle {
    position: relative;
    font-size: 17px;
    color: var(--text-secondary);
    margin: 0 0 32px;
    line-height: 1.6;
    z-index: 1;
}

.brain-cta-buttons {
    position: relative;
    display: flex;
    justify-content: center;
    z-index: 1;
}

/* ================================================== */
/* === FOOTER ======================================== */
/* ================================================== */
.brain-footer {
    padding: 40px 0;
    border-top: 1px solid var(--border);
    background:
        linear-gradient(180deg, transparent 0%, rgba(0, 0, 0, 0.4) 100%),
        var(--bg-secondary);
    position: relative;
}
.brain-footer::before {
    content: "";
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 2px;
    background: linear-gradient(90deg,
        transparent 0%,
        var(--gold-dim) 30%,
        var(--electric-dim) 70%,
        transparent 100%);
    opacity: 0.4;
}

.mkt-footer-content {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
}

.mkt-footer-brand {
    display: flex;
    align-items: baseline;
    gap: 10px;
}

.mkt-footer-logo {
    font-family: var(--font-display);
    font-size: 20px;
    font-weight: 800;
    color: var(--gold);
}

.mkt-footer-tagline {
    font-size: 13px;
    color: var(--text-muted);
}

.mkt-footer-nav {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
}

.mkt-footer-link {
    font-size: 13px;
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.2s;
}

.mkt-footer-link:hover { color: var(--gold); }

.mkt-footer-copy {
    font-size: 12px;
    color: var(--text-muted);
}

/* ================================================== */
/* === TOAST ========================================= */
/* ================================================== */
.mkt-toast {
    position: fixed;
    bottom: 24px;
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    background: var(--bg-card);
    border: 1px solid var(--gold);
    border-radius: 12px;
    padding: 12px 20px;
    color: var(--text-primary);
    font-size: 14px;
    z-index: 9999;
    opacity: 0;
    transition: all 0.4s var(--ease-out-quart);
    pointer-events: none;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
}

.mkt-toast.is-visible {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

/* ================================================== */
/* === RESPONSIVE ==================================== */
/* ================================================== */
@media (max-width: 960px) {
    .mkt-hero {
        padding: 80px 0 48px;
        min-height: auto;
    }
    .mkt-hero-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }
    .mkt-hero-content { gap: 14px; }
    .mkt-hero-visual {
        min-height: 480px;
        order: 2;
    }

    /* Burger показываем, nav прячем как drawer */
    .mkt-burger { display: inline-flex; }

    .mkt-nav {
        position: fixed;
        top: 64px;
        left: 0;
        right: 0;
        flex-direction: column;
        align-items: stretch;
        gap: 0;
        padding: 16px;
        background: var(--bg-secondary);
        border-bottom: 1px solid var(--border);
        box-shadow: 0 12px 32px rgba(0, 0, 0, 0.4);
        transform: translateY(-12px);
        opacity: 0;
        pointer-events: none;
        transition: opacity 0.25s var(--ease-out-quart),
                    transform 0.25s var(--ease-out-quart);
        max-height: calc(100vh - 64px);
        overflow-y: auto;
    }

    .mkt-nav.is-open {
        opacity: 1;
        transform: translateY(0);
        pointer-events: auto;
    }

    .mkt-nav-link,
    .mkt-nav-cta {
        padding: 14px 16px !important;
        border-radius: 12px;
        text-align: left;
        font-size: 16px;
    }

    .mkt-nav-link {
        border-bottom: 1px solid var(--border);
    }
    .mkt-nav-link:last-of-type {
        border-bottom: none;
    }

    .mkt-nav-cta {
        margin-top: 8px;
        text-align: center !important;
    }

    .brain-section { padding: 56px 0; }

    .brain-section-head { margin-bottom: 36px; }

    .manifesto-card { padding: 32px 24px; }
}

@media (max-width: 600px) {
    .mkt-hero-title { font-size: clamp(28px, 8vw, 36px) !important; }

    .mkt-stats {
        flex-direction: row;
        flex-wrap: wrap;
        gap: 14px 12px;
        padding: 14px 16px;
    }
    .mkt-stat-divider { display: none; }
    .mkt-stat { min-width: 28%; }
    .mkt-stat-value { font-size: 22px !important; }

    .mkt-badges { gap: 6px; }
    .mkt-badge { font-size: 11px; padding: 5px 10px; }

    .mkt-hero-cta { flex-direction: column; }
    .mkt-hero-cta .mkt-btn { width: 100%; justify-content: center; }
}

@media (max-width: 380px) {
    .mkt-container { padding-left: 14px; padding-right: 14px; }
    .mkt-logo { font-size: 18px; }
    .mkt-logo span:nth-of-type(2) { display: none; }
}