/* =============================================
   MarkestrAI — Main Stylesheet
   ============================================= */

:root {
    --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
    --font-display: 'Space Grotesk', var(--font-sans);
    --header-height: 72px;
    --container-max: 1200px;
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 28px;
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: auto;
}

html.lenis, html.lenis body {
    height: auto;
}

.lenis.lenis-smooth {
    scroll-behavior: auto !important;
}

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

#bg-canvas {
    position: fixed;
    inset: 0;
    z-index: 0;
    pointer-events: none;
}

.noise-overlay {
    position: fixed;
    inset: 0;
    z-index: 1;
    pointer-events: none;
    opacity: 0.025;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 24px;
}

@media (min-width: 1100px) {
    .container {
        padding-right: 48px;
    }
}

.container.narrow {
    max-width: 800px;
}

/* ---- Header ---- */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    height: var(--header-height);
    background: var(--header-bg, rgba(10, 10, 15, 0.7));
    backdrop-filter: blur(20px);
    border-bottom: 1px solid transparent;
    transition: border-color var(--transition), background var(--transition);
    overflow: visible;
}

.site-header.scrolled {
    border-bottom-color: var(--border);
    background: var(--header-bg-scrolled, rgba(10, 10, 15, 0.9));
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
    overflow: visible;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    color: var(--text-primary);
}

.logo-text {
    font-family: var(--font-display);
    font-size: 1.15rem;
    font-weight: 500;
}

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

.nav-desktop {
    display: flex;
    gap: 22px;
}

.nav-desktop a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.8125rem;
    font-weight: 500;
    transition: color var(--transition);
}

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

.header-actions {
    display: flex;
    align-items: center;
    gap: 10px;
    position: relative;
    z-index: 5;
    overflow: visible;
}

.lang-switcher {
    position: relative;
}

.lang-switcher-btn {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    list-style: none;
    padding: 6px 10px;
    font-size: 0.75rem;
    font-weight: 600;
    font-family: inherit;
    color: var(--text-secondary);
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: color var(--transition), border-color var(--transition), background var(--transition);
}

.lang-switcher-btn::-webkit-details-marker {
    display: none;
}

.lang-switcher-btn::marker {
    content: '';
}

.lang-switcher-btn:hover,
.lang-switcher[open] .lang-switcher-btn {
    color: var(--text-primary);
    border-color: rgba(99, 102, 241, 0.45);
}

.lang-switcher-chevron {
    flex-shrink: 0;
    opacity: 0.7;
    transition: transform 0.2s ease;
}

.lang-switcher[open] .lang-switcher-chevron {
    transform: rotate(180deg);
}

.lang-switcher-menu {
    position: absolute;
    top: calc(100% + 6px);
    right: 0;
    z-index: 200;
    min-width: 72px;
    margin: 0;
    padding: 4px;
    list-style: none;
    background: var(--bg-elevated, var(--bg-card));
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    box-shadow: 0 12px 28px rgba(0, 0, 0, 0.28);
}

.lang-option {
    display: block;
    padding: 7px 12px;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-muted);
    text-decoration: none;
    border-radius: 6px;
    text-align: center;
    transition: color var(--transition), background var(--transition);
}

.lang-option:hover,
.lang-option.active {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.08);
}

[data-theme="aurora-claro"] .lang-option:hover,
[data-theme="aurora-claro"] .lang-option.active {
    background: rgba(0, 0, 0, 0.06);
}

.theme-toggle-inline {
    position: static;
    top: auto;
    left: auto;
    right: auto;
    bottom: auto;
    z-index: auto;
    transform: none;
    margin: 0;
    display: flex;
    align-items: center;
    gap: 2px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 3px;
}

.theme-toggle-inline .theme-toggle-btn {
    width: 34px;
    height: 30px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0;
    border: 0;
    border-radius: 6px;
    background: transparent;
    color: var(--text-muted);
    cursor: pointer;
    transition: all var(--transition);
}

.theme-toggle-inline .theme-toggle-btn:hover,
.theme-toggle-inline .theme-toggle-btn.active {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.08);
}

.theme-toggle-inline .theme-toggle-btn svg {
    display: block;
    width: 20px;
    height: 20px;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}

.nav-toggle span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: var(--transition);
}

.nav-mobile {
    display: none;
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    background: var(--header-bg-scrolled, rgba(10, 10, 15, 0.98));
    backdrop-filter: blur(20px);
    padding: 24px;
    flex-direction: column;
    gap: 16px;
    border-bottom: 1px solid var(--border);
    z-index: 99;
}

.nav-mobile.open {
    display: flex;
}

.nav-mobile a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 1rem;
    font-weight: 500;
    padding: 8px 0;
}

/* ---- Buttons ---- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 22px;
    font-family: var(--font-sans);
    font-size: 0.875rem;
    font-weight: 600;
    text-decoration: none;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition);
    white-space: nowrap;
}

.header-actions .btn-sm {
    padding: 9px 16px;
    font-size: 0.8125rem;
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: 0 0 20px color-mix(in srgb, var(--accent-indigo) 28%, transparent);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 30px rgba(99, 102, 241, 0.4);
}

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

.btn-ghost:hover {
    border-color: var(--border-hover);
    background: var(--bg-card);
}

.btn-whatsapp {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 14px;
    border-radius: 100px;
    border: 1px solid color-mix(in srgb, #25d366 40%, var(--border));
    background: color-mix(in srgb, #25d366 12%, var(--bg-card));
    color: #25d366;
    font-size: 0.8125rem;
    font-weight: 600;
    text-decoration: none;
    transition: background var(--transition), border-color var(--transition), transform var(--transition);
}

.btn-whatsapp:hover {
    background: color-mix(in srgb, #25d366 20%, var(--bg-card));
    border-color: #25d366;
    transform: translateY(-1px);
}

.btn-whatsapp .whatsapp-icon {
    width: 18px;
    height: 18px;
}

.whatsapp-float {
    position: fixed;
    right: 24px;
    bottom: 24px;
    z-index: 90;
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: #25d366;
    color: #fff;
    box-shadow: 0 10px 30px rgba(37, 211, 102, 0.35);
    text-decoration: none;
    transition: transform var(--transition), box-shadow var(--transition);
}

.whatsapp-float:hover {
    transform: translateY(-2px) scale(1.03);
    box-shadow: 0 14px 36px rgba(37, 211, 102, 0.45);
}

.whatsapp-float .whatsapp-icon {
    width: 28px;
    height: 28px;
}

.btn-sm { padding: 8px 16px; font-size: 0.8125rem; }
.btn-lg { padding: 14px 28px; font-size: 1rem; }
.btn-full { width: 100%; }

/* ---- Sections ---- */
main {
    position: relative;
    z-index: 2;
}

.section .container,
.hero .container {
    position: relative;
    z-index: 2;
}

.section-intro {
    font-size: 1.125rem;
    color: var(--text-secondary);
    max-width: 680px;
    margin-bottom: 16px;
    opacity: 1;
}

.section-result,
.section-tagline {
    font-size: 1rem;
    color: var(--text-secondary);
    max-width: 680px;
    margin-bottom: 48px;
}

.section {
    padding: 120px 0;
    position: relative;
    isolation: isolate;
    overflow: clip;
}

.section-dark {
    background: var(--bg-secondary);
}

.section-label {
    display: inline-block;
    font-size: 0.8125rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--accent-cyan);
    margin-bottom: 16px;
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(1.85rem, 3.5vw, 2.75rem);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 20px;
    max-width: 800px;
    color: var(--text-primary);
}

.badge {
    display: inline-block;
    padding: 6px 14px;
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--accent-cyan);
    background: rgba(6, 182, 212, 0.1);
    border: 1px solid rgba(6, 182, 212, 0.2);
    border-radius: 100px;
    margin-bottom: 24px;
}

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

.reveal-up {
    /* Visible by default; hidden only when JS animations are ready */
    opacity: 1;
    transform: none;
}

.js-anim .reveal-up {
    opacity: 0;
    transform: translateY(32px);
}

.js-anim .hero .reveal-up {
    opacity: 1;
    transform: none;
}

/* ---- Scroll progress (Keldai-style) ---- */
.scroll-progress {
    position: fixed;
    right: 16px;
    top: 50%;
    transform: translateY(-50%);
    z-index: 90;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    pointer-events: none;
}

.scroll-progress-value {
    font-family: var(--font-display);
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-muted);
}

.scroll-progress-bar {
    width: 2px;
    height: 120px;
    background: var(--border);
    border-radius: 2px;
    overflow: hidden;
}

.scroll-progress-fill {
    width: 100%;
    height: 0%;
    background: var(--gradient-primary);
    border-radius: 2px;
    transition: height 0.1s linear;
}

/* ---- Cursor glow ---- */
.cursor-glow {
    position: fixed;
    top: 0;
    left: 0;
    width: 400px;
    height: 400px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.12) 0%, transparent 70%);
    pointer-events: none;
    z-index: 1;
    opacity: 0;
    transition: opacity 0.4s ease;
    will-change: transform;
}

/* ---- Scroll hint ---- */
.scroll-hint {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    margin: 40px auto 0;
    width: fit-content;
    text-decoration: none;
    color: var(--text-muted);
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    z-index: 5;
}

.scroll-hint-line {
    width: 1px;
    height: 40px;
    background: linear-gradient(to bottom, var(--accent-cyan), transparent);
    animation: scrollPulse 1.8s ease-in-out infinite;
}

@keyframes scrollPulse {
    0%, 100% { transform: scaleY(0.5); opacity: 0.4; transform-origin: top; }
    50% { transform: scaleY(1); opacity: 1; transform-origin: top; }
}

/* ---- Marquee ---- */
.marquee-wrap {
    overflow: hidden;
    margin-bottom: 48px;
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
    padding: 18px 0;
    mask-image: linear-gradient(to right, transparent, black 10%, black 90%, transparent);
}

.marquee-track {
    display: flex;
    width: max-content;
    will-change: transform;
}

.marquee-track span {
    font-family: var(--font-display);
    font-size: clamp(1.5rem, 3vw, 2.25rem);
    font-weight: 600;
    color: transparent;
    -webkit-text-stroke: 1px var(--marquee-stroke, rgba(255, 255, 255, 0.2));
    white-space: nowrap;
    padding-right: 0.5em;
}

.step-card.is-active {
    border-color: var(--border-hover);
    background: var(--bg-card-hover);
}

.step-card.is-active::before {
    opacity: 1;
}

/* ---- Hero ---- */
.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding-top: calc(var(--header-height) + 48px);
    padding-bottom: 48px;
    background: var(--gradient-glow);
    position: relative;
    overflow: hidden;
}

.hero-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    gap: 48px;
    align-items: center;
}

.hero-content {
    position: relative;
    z-index: 2;
    min-width: 0;
}

.hero-title {
    font-family: var(--font-display);
    font-size: clamp(2.25rem, 4.5vw, 3.5rem);
    font-weight: 700;
    line-height: 1.15;
    margin-bottom: 20px;
    color: var(--text-primary);
}

.hero-subtitle {
    font-size: 1.125rem;
    color: var(--text-secondary);
    margin-bottom: 32px;
    max-width: 520px;
    line-height: 1.65;
    font-weight: 450;
}

.pain-item p,
.step-card p,
.agent-info p,
.why-card p,
.case-col li,
.audience-list li,
.faq-item p,
.includes-list li {
    color: var(--text-secondary);
}

.hero-cta {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 20px;
}

.hero-trust {
    font-size: 0.8125rem;
    color: var(--text-muted);
}

/* Agent orbit visual */
.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
    z-index: 1;
    min-width: 0;
}

.agent-orbit {
    position: relative;
    width: min(360px, 100%);
    aspect-ratio: 1;
    max-width: 360px;
}

.orbit-center {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 96px;
    height: 96px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: var(--bg-secondary);
    border: 2px solid var(--border);
    border-radius: 50%;
    font-family: var(--font-display);
    font-size: 0.875rem;
    z-index: 2;
    box-shadow: 0 0 40px rgba(99, 102, 241, 0.2);
}

.orbit-center strong {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-size: 1rem;
}

.orbit-node {
    --orbit-angle: 0deg;
    position: absolute;
    top: 50%;
    left: 50%;
    width: 84px;
    height: 84px;
    margin: -42px 0 0 -42px;
    transform: rotate(var(--orbit-angle)) translateX(130px) rotate(calc(-1 * var(--orbit-angle)));
    animation: orbitSpin 24s linear infinite;
    transform-origin: center;
}

.orbit-node[data-index="0"] { --orbit-angle: 0deg; animation-delay: 0s; }
.orbit-node[data-index="1"] { --orbit-angle: 90deg; animation-delay: 0s; }
.orbit-node[data-index="2"] { --orbit-angle: 180deg; animation-delay: 0s; }
.orbit-node[data-index="3"] { --orbit-angle: 270deg; animation-delay: 0s; }

.orbit-node-inner {
    width: 84px;
    height: 84px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 6px;
    text-align: center;
    background: var(--bg-secondary);
    border: 2px solid var(--agent-color, var(--accent-indigo));
    border-radius: 50%;
    box-shadow: 0 0 20px color-mix(in srgb, var(--agent-color, #6366f1) 30%, transparent);
}

.orbit-name {
    font-family: var(--font-display);
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--text-primary);
    line-height: 1.2;
}

@keyframes orbitSpin {
    from {
        transform: rotate(var(--orbit-angle)) translateX(130px) rotate(calc(-1 * var(--orbit-angle)));
    }
    to {
        transform: rotate(calc(var(--orbit-angle) + 360deg)) translateX(130px) rotate(calc(-1 * (var(--orbit-angle) + 360deg)));
    }
}

.hero-stats {
    display: flex;
    gap: 20px;
    margin-top: 56px;
    flex-wrap: wrap;
    position: relative;
    z-index: 2;
}

.stat-card {
    flex: 1;
    min-width: 180px;
    padding: 24px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    transition: all var(--transition);
}

.stat-card:hover {
    background: var(--bg-card-hover);
    border-color: var(--border-hover);
    transform: translateY(-4px);
}

.stat-value {
    display: block;
    font-family: var(--font-display);
    font-size: 1.75rem;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 4px;
}

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

/* ---- Problem ---- */
.two-col-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 32px;
}

.col-card {
    padding: 32px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
}

.col-card h3 {
    font-family: var(--font-display);
    font-size: 1.25rem;
    margin-bottom: 24px;
}

.pain-grid {
    display: grid;
    gap: 20px;
}

.pain-item h4 {
    font-size: 0.9375rem;
    font-weight: 600;
    margin-bottom: 6px;
    color: var(--text-primary);
}

.pain-item p {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.metrics-stack {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.metric-row {
    padding-bottom: 24px;
    border-bottom: 1px solid var(--border);
}

.metric-row:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.metric-value {
    display: block;
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 700;
    color: var(--accent-violet);
    margin-bottom: 4px;
}

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

.metrics-note {
    margin-top: 24px;
    font-size: 0.875rem;
    color: var(--text-muted);
    font-style: italic;
}

/* ---- Solution ---- */
.steps-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    margin-bottom: 48px;
}

.step-card {
    padding: 28px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    transition: all var(--transition);
    position: relative;
    overflow: hidden;
}

.step-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-primary);
    opacity: 0;
    transition: opacity var(--transition);
}

.step-card:hover {
    transform: translateY(-6px);
    border-color: var(--border-hover);
    background: var(--bg-card-hover);
}

.step-card:hover::before {
    opacity: 1;
}

.step-num {
    font-family: var(--font-display);
    font-size: 0.8125rem;
    font-weight: 700;
    color: var(--accent-indigo);
    margin-bottom: 12px;
    display: block;
}

.step-card h3 {
    font-family: var(--font-display);
    font-size: 1.125rem;
    margin-bottom: 10px;
}

.step-card p {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.benefits-row {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.benefit-chip {
    padding: 10px 20px;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--accent-emerald);
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid rgba(16, 185, 129, 0.2);
    border-radius: 100px;
}

/* ---- Agents ---- */
.flow-bar {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 20px 28px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    margin-bottom: 48px;
    flex-wrap: wrap;
    overflow: hidden;
}

.flow-label {
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    white-space: nowrap;
}

.flow-steps {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
}

.flow-step {
    padding: 6px 14px;
    font-size: 0.8125rem;
    font-weight: 600;
    background: rgba(99, 102, 241, 0.15);
    color: var(--accent-indigo);
    border-radius: 100px;
}

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

/* ---- Flow diagram image ---- */
.flow-diagram {
    margin: 0 0 48px;
    padding: 0;
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    background: #050814;
}

.flow-diagram img {
    display: block;
    width: 100%;
    height: auto;
}

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

.agent-card {
    display: flex;
    gap: 20px;
    padding: 28px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    transition: border-color var(--transition), box-shadow var(--transition);
    cursor: default;
    will-change: transform;
}

.agent-card:hover {
    border-color: var(--agent-accent);
    box-shadow: 0 8px 40px color-mix(in srgb, var(--agent-accent) 15%, transparent);
}

.agent-avatar {
    flex-shrink: 0;
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: color-mix(in srgb, var(--agent-accent) 15%, transparent);
    border: 2px solid var(--agent-accent);
    border-radius: 50%;
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--agent-accent);
}

.agent-info h3 {
    font-family: var(--font-display);
    font-size: 1.25rem;
    margin-bottom: 4px;
}

.agent-role {
    display: block;
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--agent-accent);
    margin-bottom: 10px;
}

.agent-info p {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.agent-how-link {
    display: inline-block;
    margin-top: 14px;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--agent-accent);
    text-decoration: none;
    border-bottom: 1px solid transparent;
    transition: border-color var(--transition), opacity var(--transition);
}

.agent-how-link:hover {
    border-bottom-color: var(--agent-accent);
    opacity: 0.9;
}

/* ---- Agent detail page ---- */
.agent-page {
    padding-top: calc(var(--header-height, 80px) + 48px);
}

.agent-page-hero {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 28px;
}

.agent-page-avatar {
    width: 72px;
    height: 72px;
    font-size: 1.5rem;
}

.agent-page-name {
    font-family: var(--font-display);
    font-size: clamp(1.75rem, 3vw, 2.25rem);
    margin: 0 0 4px;
}

.agent-page-headline {
    font-family: var(--font-display);
    font-size: clamp(1.35rem, 2.5vw, 1.75rem);
    line-height: 1.25;
    margin: 0 0 16px;
    max-width: 36ch;
}

.agent-page-lead {
    font-size: 1.0625rem;
    color: var(--text-secondary);
    line-height: 1.65;
    margin-bottom: 28px;
}

.agent-page-cta {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 48px;
}

.agent-page-block {
    margin-bottom: 40px;
}

.agent-page-block h3 {
    font-family: var(--font-display);
    font-size: 1.125rem;
    margin-bottom: 20px;
}

.agent-steps {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.agent-steps li {
    display: flex;
    gap: 16px;
    align-items: flex-start;
}

.agent-step-num {
    flex-shrink: 0;
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 0.875rem;
    color: var(--agent-accent);
    padding-top: 2px;
}

.agent-steps strong {
    display: block;
    margin-bottom: 4px;
}

.agent-steps p {
    margin: 0;
    font-size: 0.9375rem;
    color: var(--text-secondary);
}

.agent-handoff {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 40px;
}

.agent-handoff-card {
    padding: 24px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    border-top: 2px solid var(--agent-accent);
}

.agent-handoff-card h3 {
    font-family: var(--font-display);
    font-size: 0.9375rem;
    margin-bottom: 10px;
    color: var(--agent-accent);
}

.agent-handoff-card p {
    margin: 0;
    font-size: 0.9375rem;
    color: var(--text-secondary);
    line-height: 1.55;
}

.agent-results {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.agent-results li {
    position: relative;
    padding-left: 18px;
    font-size: 0.9375rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

.agent-results li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.55em;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--agent-accent);
}

.agent-next-teaser {
    font-size: 0.9375rem;
    color: var(--text-muted);
    font-style: italic;
    margin-bottom: 32px;
}

.flow-nav {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    padding-top: 8px;
    border-top: 1px solid var(--border);
}

.flow-nav-link {
    display: flex;
    flex-direction: column;
    gap: 4px;
    padding: 20px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    text-decoration: none;
    color: inherit;
    transition: border-color var(--transition), box-shadow var(--transition);
}

.flow-nav-link:hover {
    border-color: var(--agent-accent);
    box-shadow: 0 8px 32px color-mix(in srgb, var(--agent-accent) 12%, transparent);
}

.flow-nav-link.is-empty {
    visibility: hidden;
    pointer-events: none;
}

.flow-nav-next {
    text-align: right;
}

.flow-nav-dir {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--text-muted);
}

.flow-nav-link strong {
    font-family: var(--font-display);
    font-size: 1.125rem;
}

/* ---- Case detail page ---- */
.case-page {
    padding-top: calc(var(--header-height, 80px) + 48px);
}

.case-page-container {
    max-width: 880px;
}

.case-page .case-grid {
    margin: 36px 0;
}

.case-page-agents {
    margin: 48px 0 40px;
}

.case-page-agents h2 {
    font-family: var(--font-display);
    font-size: 1.25rem;
    margin-bottom: 20px;
}

.case-agent-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.case-agent-list li {
    display: flex;
    flex-direction: column;
    gap: 4px;
    padding: 16px 20px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md, 12px);
}

.case-agent-list strong {
    font-family: var(--font-display);
    font-size: 1rem;
}

.case-agent-list span {
    font-size: 0.9375rem;
    color: var(--text-secondary);
}

.case-workflow {
    margin: 56px 0 40px;
}

.case-workflow h2 {
    font-family: var(--font-display);
    font-size: 1.375rem;
    margin-bottom: 12px;
}

.case-workflow-intro {
    color: var(--text-secondary);
    font-size: 1rem;
    line-height: 1.6;
    margin: 0 0 24px;
    max-width: 52ch;
}

.case-stack {
    margin: 0 0 36px;
}

.case-stack-title {
    font-family: var(--font-display);
    font-size: 1.0625rem;
    margin: 0 0 8px;
}

.case-stack-intro {
    margin: 0 0 20px;
    color: var(--text-secondary);
    font-size: 0.9375rem;
    line-height: 1.55;
    max-width: 56ch;
}

.case-stack-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
}

@media (min-width: 720px) {
    .case-stack-grid {
        grid-template-columns: 1fr 1fr;
        align-items: start;
    }
}

.case-stack-card {
    margin: 0;
}

.case-stack-shot {
    border-radius: var(--radius-md, 12px);
    overflow: hidden;
    border: 1px solid var(--border);
    background: var(--bg);
}

.case-stack-shot img {
    display: block;
    width: 100%;
    height: auto;
}

.case-stack-card figcaption {
    margin-top: 12px;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.case-stack-card figcaption strong {
    font-size: 0.875rem;
    font-family: var(--font-display);
}

.case-stack-card figcaption span {
    font-size: 0.8125rem;
    color: var(--text-muted);
    line-height: 1.45;
}

.case-channel-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-top: 10px;
}

.case-channel-badge {
    display: inline-block;
    padding: 3px 9px;
    font-size: 0.6875rem;
    font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
    color: var(--agent-accent, #6366f1);
    background: rgba(99, 102, 241, 0.12);
    border: 1px solid rgba(99, 102, 241, 0.28);
    border-radius: 6px;
}

.case-trace-card {
    padding: 18px 22px;
    margin-bottom: 36px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-left: 3px solid var(--accent, #6366f1);
    border-radius: var(--radius-md, 12px);
}

.case-trace-card strong {
    display: block;
    font-family: var(--font-display);
    font-size: 0.9375rem;
    margin-bottom: 8px;
}

.case-trace-card p {
    margin: 0;
    font-size: 0.9375rem;
    color: var(--text-secondary);
    line-height: 1.55;
}

.case-workflow-step {
    margin-bottom: 40px;
    padding: 20px 18px 16px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    border-top: 3px solid var(--agent-accent, #6366f1);
    max-width: 100%;
}

.case-workflow-step-head {
    display: flex;
    gap: 16px;
    align-items: flex-start;
    margin-bottom: 16px;
}

.case-workflow-num {
    flex-shrink: 0;
    font-family: var(--font-display);
    font-size: 0.8125rem;
    font-weight: 600;
    letter-spacing: 0.06em;
    color: var(--agent-accent, #6366f1);
    opacity: 0.9;
}

.case-workflow-step h3 {
    font-family: var(--font-display);
    font-size: 1.125rem;
    margin: 0 0 10px;
}

.case-tool-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.case-tool-badge {
    display: inline-block;
    padding: 4px 10px;
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.02em;
    color: var(--text-secondary);
    background: var(--bg-elevated, var(--bg));
    border: 1px solid var(--border);
    border-radius: 999px;
}

.case-workflow-list {
    margin: 0 0 20px;
    padding-left: 1.25rem;
    color: var(--text-secondary);
    font-size: 0.9375rem;
    line-height: 1.6;
}

.case-workflow-list li + li {
    margin-top: 8px;
}

.case-step-shots {
    display: flex;
    flex-direction: column;
    gap: 16px;
    max-width: 100%;
}

.case-step-shot {
    margin: 0;
    border-radius: var(--radius-md, 12px);
    overflow: hidden;
    border: 1px solid var(--border);
    background: var(--bg);
    max-width: 100%;
}

.case-step-shot img {
    display: block;
    width: 100%;
    max-width: 100%;
    height: auto;
}

.case-step-evidence figcaption {
    padding: 10px 14px;
    font-size: 0.8125rem;
    color: var(--text-secondary);
    line-height: 1.45;
    border-top: 1px solid var(--border);
    background: var(--bg-card);
}

.case-step-shot-placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 200px;
    padding: 24px;
    text-align: center;
    color: var(--text-muted);
    font-size: 0.875rem;
    background: repeating-linear-gradient(
        -45deg,
        transparent,
        transparent 8px,
        var(--border) 8px,
        var(--border) 9px
    );
    background-size: 12px 12px;
    background-color: var(--bg-elevated, var(--bg-card));
}

.case-step-shot-placeholder span {
    padding: 10px 16px;
    background: var(--bg-card);
    border: 1px dashed var(--border);
    border-radius: var(--radius-sm, 8px);
}

/* ---- Legal pages ---- */
.legal-page {
    padding-top: calc(var(--header-height) + 48px);
}

.legal-content {
    max-width: 920px;
}

.legal-updated {
    color: var(--text-muted);
    margin: 12px 0 28px;
    font-size: 0.9375rem;
}

.legal-contact {
    display: flex;
    flex-wrap: wrap;
    gap: 16px 32px;
    padding: 20px 24px;
    margin-bottom: 32px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
}

.legal-contact p {
    margin: 0;
    font-size: 0.9375rem;
}

.legal-contact a,
.legal-links a {
    color: var(--accent-cyan);
    text-decoration: none;
}

.legal-contact a:hover,
.legal-links a:hover {
    text-decoration: underline;
}

.legal-section {
    margin-bottom: 32px;
}

.legal-section h2 {
    font-family: var(--font-display);
    font-size: 1.25rem;
    margin-bottom: 14px;
}

.legal-section p,
.legal-section li {
    color: var(--text-secondary);
    line-height: 1.7;
    font-size: 0.9375rem;
}

.legal-section ul {
    margin: 14px 0;
    padding-left: 20px;
}

.legal-links {
    padding-left: 20px;
}

.legal-table-wrap {
    overflow-x: auto;
    margin-top: 16px;
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    background: var(--bg-card);
}

.legal-table {
    width: 100%;
    border-collapse: collapse;
    min-width: 640px;
}

.legal-table th,
.legal-table td {
    padding: 14px 16px;
    text-align: left;
    border-bottom: 1px solid var(--border);
    font-size: 0.875rem;
    vertical-align: top;
}

.legal-table th {
    font-family: var(--font-display);
}

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

/* ---- Why ---- */
.why-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-bottom: 48px;
}

.why-card {
    padding: 32px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    transition: all var(--transition);
}

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

.why-card h3 {
    font-family: var(--font-display);
    font-size: 1.125rem;
    margin-bottom: 12px;
}

.why-card p {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

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

.integration-badge {
    padding: 10px 20px;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    transition: all var(--transition);
}

.integration-badge:hover {
    color: var(--text-primary);
    border-color: var(--border-hover);
}

/* ---- Case Study ---- */
.case-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 32px;
    margin-bottom: 40px;
}

.case-col {
    padding: 32px;
    border-radius: var(--radius-lg);
}

.case-before {
    background: rgba(239, 68, 68, 0.05);
    border: 1px solid rgba(239, 68, 68, 0.15);
}

.case-after {
    background: rgba(16, 185, 129, 0.05);
    border: 1px solid rgba(16, 185, 129, 0.15);
}

.case-col h3 {
    font-family: var(--font-display);
    font-size: 1.125rem;
    margin-bottom: 20px;
}

.case-before h3 { color: #f87171; }
.case-after h3 { color: var(--accent-emerald); }

.case-col ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.case-col li {
    font-size: 0.9375rem;
    color: var(--text-secondary);
    padding-left: 24px;
    position: relative;
}

.case-before li::before {
    content: '✕';
    position: absolute;
    left: 0;
    color: #f87171;
    font-weight: 700;
}

.case-after li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--accent-emerald);
    font-weight: 700;
}

.case-metrics {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    justify-content: center;
}

.case-metric {
    padding: 12px 24px;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--accent-cyan);
    background: rgba(6, 182, 212, 0.1);
    border: 1px solid rgba(6, 182, 212, 0.2);
    border-radius: 100px;
}

/* ---- Audience ---- */
.audience-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-bottom: 32px;
}

.audience-list li {
    font-size: 1.0625rem;
    color: var(--text-secondary);
    padding-left: 28px;
    position: relative;
}

.audience-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 10px;
    width: 8px;
    height: 8px;
    background: var(--gradient-primary);
    border-radius: 50%;
}

.audience-closing {
    font-size: 1.0625rem;
    color: var(--text-muted);
    margin-bottom: 32px;
}

/* ---- FAQ ---- */
.faq-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 32px;
}

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

.faq-item[open] {
    border-color: var(--border-hover);
}

.faq-item summary {
    padding: 20px 24px;
    font-weight: 600;
    font-size: 0.9375rem;
    cursor: pointer;
    list-style: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.faq-item summary::after {
    content: '+';
    font-size: 1.25rem;
    color: var(--text-muted);
    transition: transform var(--transition);
}

.faq-item[open] summary::after {
    transform: rotate(45deg);
}

.faq-item p {
    padding: 0 24px 20px;
    font-size: 0.9375rem;
    color: var(--text-secondary);
}

.faq-cta a {
    color: var(--accent-cyan);
    text-decoration: none;
    font-weight: 600;
}

.faq-cta a:hover {
    text-decoration: underline;
}

/* ---- Contact ---- */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
}

.includes-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-bottom: 32px;
}

.includes-list li {
    font-size: 0.9375rem;
    color: var(--text-secondary);
    padding-left: 24px;
    position: relative;
}

.includes-list li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--accent-indigo);
}

.designed-for {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-muted);
    margin-bottom: 12px;
}

.audience-tags {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.audience-tags span {
    padding: 6px 14px;
    font-size: 0.8125rem;
    color: var(--text-secondary);
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 100px;
}

.contact-form-wrap {
    padding: 36px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
}

.contact-form-wrap h3 {
    font-family: var(--font-display);
    font-size: 1.25rem;
    margin-bottom: 8px;
}

.contact-form-wrap > p {
    font-size: 0.9375rem;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.required-note {
    font-size: 0.8125rem !important;
    color: var(--text-muted) !important;
    margin-bottom: 24px !important;
}

.form-alert {
    padding: 14px 18px;
    border-radius: var(--radius-sm);
    margin-bottom: 20px;
    font-size: 0.9375rem;
    font-weight: 500;
}

.form-success {
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid rgba(16, 185, 129, 0.3);
    color: var(--accent-emerald);
}

.form-error {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.3);
    color: #f87171;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.form-group {
    margin-bottom: 18px;
}

.form-group label {
    display: block;
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 6px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 14px;
    font-family: var(--font-sans);
    font-size: 0.9375rem;
    color: var(--text-primary);
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    transition: border-color var(--transition);
    outline: none;
}

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

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

.checkbox-group {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.875rem;
    color: var(--text-secondary);
    cursor: pointer;
}

.checkbox-label input[type="checkbox"] {
    width: 16px;
    height: 16px;
    accent-color: var(--accent-indigo);
}

.form-checkbox .checkbox-label {
    font-size: 0.8125rem;
    line-height: 1.5;
}

.form-checkbox a {
    color: var(--accent-cyan);
    text-decoration: none;
}

.form-footer-note {
    text-align: center;
    font-size: 0.8125rem;
    color: var(--text-muted);
    margin-top: 16px;
}

.form-privacy-note {
    text-align: center;
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: 8px;
}

/* ---- Footer ---- */
.site-footer {
    position: relative;
    z-index: 2;
    padding: 40px 0;
    border-top: 1px solid var(--border);
}

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

.footer-brand p {
    font-size: 0.8125rem;
    color: var(--text-muted);
    margin-top: 4px;
}

.footer-links {
    display: flex;
    gap: 12px;
    align-items: center;
}

.footer-links a {
    font-size: 0.8125rem;
    color: var(--text-muted);
    text-decoration: none;
    transition: color var(--transition);
}

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

.footer-links span {
    color: var(--text-muted);
}

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

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

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

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

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

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

@media (max-width: 768px) {
    .section {
        padding: 80px 0;
    }

    .scroll-progress,
    .cursor-glow {
        display: none;
    }

    .nav-desktop {
        display: none;
    }

    .nav-toggle {
        display: flex;
    }

    .header-actions .btn-sm {
        display: none;
    }

    .header-actions .btn-whatsapp-label {
        display: none;
    }

    .header-actions .btn-whatsapp {
        padding: 8px 10px;
    }

    .theme-toggle-inline {
        order: 2;
    }

    .two-col-grid,
    .case-grid,
    .agents-grid,
    .agent-handoff,
    .flow-nav {
        grid-template-columns: 1fr;
    }

    .flow-nav-next {
        text-align: left;
    }

    .flow-nav-link.is-empty {
        display: none;
    }

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

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

    .agent-orbit {
        width: min(280px, 85vw);
    }

    .orbit-node {
        width: 72px;
        height: 72px;
        margin: -36px 0 0 -36px;
    }

    .orbit-node-inner {
        width: 72px;
        height: 72px;
    }

    @keyframes orbitSpin {
        from {
            transform: rotate(var(--orbit-angle)) translateX(100px) rotate(calc(-1 * var(--orbit-angle)));
        }
        to {
            transform: rotate(calc(var(--orbit-angle) + 360deg)) translateX(100px) rotate(calc(-1 * (var(--orbit-angle) + 360deg)));
        }
    }

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

    .footer-inner {
        flex-direction: column;
        text-align: center;
    }
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }

    .reveal-up {
        opacity: 1;
        transform: none;
    }
}