/*
 * DrivErp - Landing comercial de IA Legalización de Gastos (/gastos-ia)
 *
 * Sigue los lineamientos del design system "DrivErp Modern 2026" (paleta
 * neutra + accent azul #008BD0, Inter, spacing 8pt, sombras sutiles).
 * Self-contained: todas las variables se declaran bajo .iaex-landing para
 * que el landing sobreviva aunque tokens.css del dashboard no este disponible.
 */

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

/* ============================================================
 * Tokens (scopeados)
 * ============================================================ */
.iaex-landing {
    /* Neutrals */
    --iaex-neutral-0:   #FFFFFF;
    --iaex-neutral-50:  #FAFAFA;
    --iaex-neutral-100: #F5F5F5;
    --iaex-neutral-200: #E5E5E5;
    --iaex-neutral-300: #D4D4D4;
    --iaex-neutral-400: #A3A3A3;
    --iaex-neutral-500: #737373;
    --iaex-neutral-600: #525252;
    --iaex-neutral-700: #404040;
    --iaex-neutral-800: #262626;
    --iaex-neutral-900: #171717;

    /* Accent — Azul DrivErp #008BD0 (corporativo, fuente unica) */
    --iaex-accent-50:   #E6F4FB;
    --iaex-accent-100:  #C2E5F3;
    --iaex-accent-200:  #8FCFEA;
    --iaex-accent-500:  #008BD0;
    --iaex-accent-600:  #0073AB;
    --iaex-accent-700:  #005A87;
    --iaex-accent-900:  #00324B;

    /* Semantic */
    --iaex-success-50:  #D1FAE5;
    --iaex-success-500: #10B981;
    --iaex-success-700: #047857;
    --iaex-warning-50:  #FEF3C7;
    --iaex-warning-500: #F59E0B;
    --iaex-warning-700: #B45309;
    --iaex-danger-50:   #FEE2E2;
    --iaex-danger-500:  #EF4444;
    --iaex-danger-700:  #B91C1C;

    /* Surface */
    --iaex-bg:          var(--iaex-neutral-50);
    --iaex-surface:     var(--iaex-neutral-0);
    --iaex-surface-alt: var(--iaex-neutral-100);
    --iaex-border:      var(--iaex-neutral-200);
    --iaex-text:        var(--iaex-neutral-900);
    --iaex-text-muted:  var(--iaex-neutral-500);
    --iaex-text-soft:   var(--iaex-neutral-600);

    /* Typography */
    --iaex-font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI',
                 Roboto, 'Helvetica Neue', system-ui, sans-serif;
    --iaex-mono: 'JetBrains Mono', 'Fira Code', ui-monospace, SFMono-Regular,
                 Menlo, Consolas, monospace;

    /* Spacing 8pt */
    --iaex-s-1: 4px;
    --iaex-s-2: 8px;
    --iaex-s-3: 12px;
    --iaex-s-4: 16px;
    --iaex-s-5: 20px;
    --iaex-s-6: 24px;
    --iaex-s-8: 32px;
    --iaex-s-10: 40px;
    --iaex-s-12: 48px;
    --iaex-s-16: 64px;
    --iaex-s-20: 80px;
    --iaex-s-24: 96px;

    /* Radii */
    --iaex-r-sm: 6px;
    --iaex-r-md: 8px;
    --iaex-r-lg: 12px;
    --iaex-r-xl: 16px;
    --iaex-r-2xl: 24px;
    --iaex-r-pill: 9999px;

    /* Shadows */
    --iaex-sh-sm: 0 1px 2px rgba(0, 50, 75, 0.04);
    --iaex-sh-md: 0 4px 12px rgba(0, 50, 75, 0.06), 0 1px 2px rgba(0, 50, 75, 0.04);
    --iaex-sh-lg: 0 12px 32px rgba(0, 50, 75, 0.10), 0 2px 6px rgba(0, 50, 75, 0.05);

    /* Motion */
    --iaex-ease: cubic-bezier(0.4, 0, 0.2, 1);

    background: var(--iaex-bg);
    color: var(--iaex-text);
    font-family: var(--iaex-font);
    font-size: 15px;
    line-height: 1.55;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.iaex-landing,
.iaex-landing * {
    box-sizing: border-box;
}

/* ============================================================
 * Layout helpers
 * ============================================================ */
.iaex-landing .iaex-container {
    width: 100%;
    max-width: 1180px;
    margin: 0 auto;
    padding: 0 var(--iaex-s-6);
}

.iaex-landing .iaex-section {
    padding: var(--iaex-s-20) 0;
}

.iaex-landing .iaex-section-head {
    text-align: center;
    max-width: 720px;
    margin: 0 auto var(--iaex-s-12);
}

.iaex-landing .iaex-section-title {
    font-size: clamp(28px, 3.4vw, 40px);
    line-height: 1.15;
    font-weight: 700;
    letter-spacing: -0.02em;
    margin: var(--iaex-s-3) 0 var(--iaex-s-4);
}

.iaex-landing .iaex-section-lead {
    color: var(--iaex-text-soft);
    font-size: 16px;
    line-height: 1.65;
    margin: 0;
}

.iaex-landing .iaex-text-accent {
    background: linear-gradient(135deg, var(--iaex-accent-500), var(--iaex-accent-700));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.iaex-landing .iaex-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: var(--iaex-s-2);
    padding: 6px var(--iaex-s-3);
    border-radius: var(--iaex-r-pill);
    background: var(--iaex-accent-50);
    color: var(--iaex-accent-700);
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.iaex-landing .iaex-eyebrow--soft {
    background: var(--iaex-surface-alt);
    color: var(--iaex-text-soft);
}

/* ============================================================
 * Botones
 * ============================================================ */
.iaex-landing .iaex-btn {
    display: inline-flex;
    align-items: center;
    gap: var(--iaex-s-2);
    padding: 12px 22px;
    border-radius: var(--iaex-r-md);
    font-size: 14px;
    font-weight: 600;
    line-height: 1;
    text-decoration: none;
    border: 1px solid transparent;
    transition: transform 160ms var(--iaex-ease), background 160ms var(--iaex-ease),
                border-color 160ms var(--iaex-ease), color 160ms var(--iaex-ease),
                box-shadow 160ms var(--iaex-ease);
    cursor: pointer;
    white-space: nowrap;
}

.iaex-landing .iaex-btn--lg {
    padding: 16px 28px;
    font-size: 15px;
}

.iaex-landing .iaex-btn--primary {
    background: var(--iaex-accent-600);
    color: var(--iaex-neutral-0);
    box-shadow: 0 6px 14px rgba(0, 139, 208, 0.25);
}

.iaex-landing .iaex-btn--primary:hover {
    background: var(--iaex-accent-700);
    color: var(--iaex-neutral-0);
    transform: translateY(-1px);
    text-decoration: none;
}

.iaex-landing .iaex-btn--ghost {
    background: transparent;
    color: var(--iaex-text);
    border-color: var(--iaex-border);
}

.iaex-landing .iaex-btn--ghost:hover {
    background: var(--iaex-surface);
    border-color: var(--iaex-neutral-400);
    color: var(--iaex-text);
    text-decoration: none;
}

.iaex-landing .iaex-btn--text {
    background: transparent;
    color: var(--iaex-text-soft);
    border-color: transparent;
    padding-left: var(--iaex-s-2);
    padding-right: var(--iaex-s-2);
}

.iaex-landing .iaex-btn--text:hover {
    color: var(--iaex-accent-700);
    background: transparent;
    text-decoration: underline;
    text-decoration-thickness: 1.5px;
    text-underline-offset: 4px;
}

/* ============================================================
 * HERO
 * ============================================================ */
.iaex-landing .iaex-hero {
    position: relative;
    padding: var(--iaex-s-24) 0 var(--iaex-s-20);
    overflow: hidden;
}

.iaex-landing .iaex-hero__bg {
    position: absolute;
    inset: 0;
    z-index: 0;
    background:
        radial-gradient(circle at 12% 10%, rgba(0, 139, 208, 0.10), transparent 45%),
        radial-gradient(circle at 90% 0%, rgba(0, 115, 171, 0.10), transparent 50%),
        radial-gradient(circle at 70% 90%, rgba(16, 185, 129, 0.06), transparent 50%);
    pointer-events: none;
}

.iaex-landing .iaex-hero__inner {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1.05fr 1fr;
    gap: var(--iaex-s-16);
    align-items: center;
}

.iaex-landing .iaex-hero__title {
    font-size: clamp(36px, 5vw, 60px);
    line-height: 1.05;
    font-weight: 800;
    letter-spacing: -0.03em;
    margin: var(--iaex-s-5) 0;
    color: var(--iaex-text);
}

.iaex-landing .iaex-hero__subtitle {
    color: var(--iaex-text-soft);
    font-size: 18px;
    line-height: 1.65;
    margin: 0 0 var(--iaex-s-8);
    max-width: 560px;
}

.iaex-landing .iaex-hero__cta {
    display: flex;
    gap: var(--iaex-s-3);
    flex-wrap: wrap;
    margin-bottom: var(--iaex-s-10);
}

.iaex-landing .iaex-hero__trust {
    display: flex;
    gap: var(--iaex-s-6);
    flex-wrap: wrap;
}

.iaex-landing .iaex-trust-item {
    display: inline-flex;
    align-items: center;
    gap: var(--iaex-s-2);
    font-size: 13px;
    color: var(--iaex-text-muted);
    font-weight: 500;
}

.iaex-landing .iaex-trust-item .fa {
    color: var(--iaex-accent-600);
}

/* ── Mockup: escaneo de comprobante → datos extraidos ─────── */
.iaex-landing .iaex-hero__right {
    position: relative;
    min-height: 520px;
}

.iaex-landing .iaex-mockup {
    position: relative;
    width: 100%;
    max-width: 440px;
    margin: 0 auto;
    background: var(--iaex-surface);
    border-radius: var(--iaex-r-2xl);
    box-shadow: var(--iaex-sh-lg);
    overflow: hidden;
    border: 1px solid var(--iaex-border);
}

.iaex-landing .iaex-mockup__chrome {
    display: flex;
    align-items: center;
    gap: var(--iaex-s-3);
    padding: var(--iaex-s-3) var(--iaex-s-4);
    background: var(--iaex-neutral-100);
    border-bottom: 1px solid var(--iaex-border);
}

.iaex-landing .iaex-mockup__chrome-dots {
    display: flex;
    gap: 6px;
}

.iaex-landing .iaex-mockup__chrome-dots span {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--iaex-neutral-300);
}

.iaex-landing .iaex-mockup__chrome-dots span:nth-child(1) { background: #ff5f57; }
.iaex-landing .iaex-mockup__chrome-dots span:nth-child(2) { background: #ffbd2e; }
.iaex-landing .iaex-mockup__chrome-dots span:nth-child(3) { background: #28ca42; }

.iaex-landing .iaex-mockup__chrome-title {
    font-size: 12px;
    color: var(--iaex-text-muted);
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    gap: var(--iaex-s-2);
}

.iaex-landing .iaex-mockup__chrome-title .fa {
    color: var(--iaex-accent-600);
}

.iaex-landing .iaex-mockup__body {
    padding: var(--iaex-s-5);
    background:
        radial-gradient(circle at 50% 0%, rgba(0, 139, 208, 0.05), transparent 60%),
        var(--iaex-surface);
    display: flex;
    flex-direction: column;
    gap: var(--iaex-s-4);
}

/* Comprobante escaneado (recibo POS) */
.iaex-landing .iaex-receipt {
    position: relative;
    background: var(--iaex-neutral-0);
    border: 1px solid var(--iaex-border);
    border-radius: var(--iaex-r-md);
    padding: var(--iaex-s-4);
    font-family: var(--iaex-mono);
    font-size: 11px;
    line-height: 1.6;
    color: var(--iaex-text-soft);
    overflow: hidden;
    box-shadow: inset 0 0 0 1px rgba(0, 50, 75, 0.02);
}

.iaex-landing .iaex-receipt__title {
    text-align: center;
    font-weight: 700;
    color: var(--iaex-text);
    letter-spacing: 0.04em;
    margin-bottom: 2px;
}

.iaex-landing .iaex-receipt__sub {
    text-align: center;
    color: var(--iaex-text-muted);
    margin-bottom: var(--iaex-s-3);
}

.iaex-landing .iaex-receipt__row {
    display: flex;
    justify-content: space-between;
}

.iaex-landing .iaex-receipt__rule {
    border: 0;
    border-top: 1px dashed var(--iaex-neutral-300);
    margin: var(--iaex-s-2) 0;
}

.iaex-landing .iaex-receipt__row--total {
    font-weight: 700;
    color: var(--iaex-text);
    font-size: 12px;
}

/* Barra de escaneo animada */
.iaex-landing .iaex-receipt__scanbar {
    position: absolute;
    left: 0;
    right: 0;
    top: 0;
    height: 44px;
    background: linear-gradient(180deg,
        rgba(0, 139, 208, 0), rgba(0, 139, 208, 0.18) 60%, rgba(0, 139, 208, 0.02));
    border-bottom: 2px solid var(--iaex-accent-500);
    animation: iaex-scan 2.6s var(--iaex-ease) infinite;
    pointer-events: none;
}

@keyframes iaex-scan {
    0%   { transform: translateY(-46px); opacity: 0; }
    12%  { opacity: 1; }
    88%  { opacity: 1; }
    100% { transform: translateY(230px); opacity: 0; }
}

/* Progreso de lectura */
.iaex-landing .iaex-mockup__progress {
    display: inline-flex;
    align-items: center;
    gap: var(--iaex-s-2);
    padding: var(--iaex-s-2) var(--iaex-s-3);
    background: var(--iaex-accent-50);
    border-radius: var(--iaex-r-md);
    border: 1px solid var(--iaex-accent-200);
    font-size: 12px;
    color: var(--iaex-accent-700);
    align-self: flex-start;
    font-weight: 500;
}

.iaex-landing .iaex-mockup__progress .fa {
    animation: iaex-spin 1.4s linear infinite;
    color: var(--iaex-accent-600);
}

@keyframes iaex-spin {
    to { transform: rotate(360deg); }
}

/* Datos extraidos por la IA */
.iaex-landing .iaex-extract {
    display: flex;
    flex-direction: column;
    gap: var(--iaex-s-2);
    background: var(--iaex-surface-alt);
    border: 1px solid var(--iaex-border);
    border-radius: var(--iaex-r-lg);
    padding: var(--iaex-s-4);
}

.iaex-landing .iaex-field {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 12.5px;
}

.iaex-landing .iaex-field__key {
    color: var(--iaex-text-muted);
}

.iaex-landing .iaex-field__val {
    color: var(--iaex-text);
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.iaex-landing .iaex-field__val .fa {
    color: var(--iaex-success-500);
    font-size: 11px;
}

.iaex-landing .iaex-extract__foot {
    display: flex;
    align-items: center;
    gap: var(--iaex-s-2);
    margin-top: var(--iaex-s-1);
    padding-top: var(--iaex-s-3);
    border-top: 1px solid var(--iaex-border);
    flex-wrap: wrap;
}

.iaex-landing .iaex-chip {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 3px 10px;
    border-radius: var(--iaex-r-pill);
    font-size: 11px;
    font-weight: 600;
}

.iaex-landing .iaex-chip--ok {
    background: var(--iaex-success-50);
    color: var(--iaex-success-700);
}

.iaex-landing .iaex-chip--accent {
    background: var(--iaex-accent-50);
    color: var(--iaex-accent-700);
}

/* Floaters alrededor del mockup */
.iaex-landing .iaex-floater {
    position: absolute;
    display: flex;
    align-items: center;
    gap: var(--iaex-s-3);
    padding: var(--iaex-s-3) var(--iaex-s-4);
    background: var(--iaex-surface);
    border: 1px solid var(--iaex-border);
    border-radius: var(--iaex-r-lg);
    box-shadow: var(--iaex-sh-md);
    z-index: 2;
    animation: iaex-float 4s var(--iaex-ease) infinite;
}

.iaex-landing .iaex-floater .fa {
    font-size: 18px;
    width: 36px;
    height: 36px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--iaex-r-md);
    background: var(--iaex-success-50);
    color: var(--iaex-success-700);
}

.iaex-landing .iaex-floater strong {
    display: block;
    font-size: 13px;
    color: var(--iaex-text);
}

.iaex-landing .iaex-floater small {
    font-size: 11px;
    color: var(--iaex-text-muted);
}

.iaex-landing .iaex-floater--nit {
    top: 8%;
    left: -18px;
    animation-delay: 0s;
}

.iaex-landing .iaex-floater--iva {
    bottom: 10%;
    right: -18px;
    animation-delay: 1.5s;
}

.iaex-landing .iaex-floater--iva .fa {
    background: var(--iaex-accent-50);
    color: var(--iaex-accent-700);
}

@keyframes iaex-float {
    0%, 100% { transform: translateY(0); }
    50%      { transform: translateY(-8px); }
}

/* ============================================================
 * METRICAS
 * ============================================================ */
.iaex-landing .iaex-metrics {
    background: var(--iaex-surface);
    border-top: 1px solid var(--iaex-border);
    border-bottom: 1px solid var(--iaex-border);
    padding: var(--iaex-s-16) 0;
}

.iaex-landing .iaex-metrics__grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--iaex-s-8);
    text-align: center;
}

.iaex-landing .iaex-metric__value {
    font-size: 56px;
    font-weight: 800;
    line-height: 1;
    letter-spacing: -0.03em;
    background: linear-gradient(135deg, var(--iaex-accent-600), var(--iaex-accent-900));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    margin-bottom: var(--iaex-s-3);
}

.iaex-landing .iaex-metric__value span {
    font-size: 32px;
    vertical-align: top;
    margin-left: 4px;
}

.iaex-landing .iaex-metric__label {
    font-size: 13px;
    color: var(--iaex-text-muted);
    font-weight: 500;
    max-width: 220px;
    margin: 0 auto;
}

/* ============================================================
 * FEATURES
 * ============================================================ */
.iaex-landing .iaex-features {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--iaex-s-6);
}

.iaex-landing .iaex-feature {
    background: var(--iaex-surface);
    border: 1px solid var(--iaex-border);
    border-radius: var(--iaex-r-xl);
    padding: var(--iaex-s-8);
    transition: transform 200ms var(--iaex-ease), box-shadow 200ms var(--iaex-ease),
                border-color 200ms var(--iaex-ease);
}

.iaex-landing .iaex-feature:hover {
    transform: translateY(-3px);
    box-shadow: var(--iaex-sh-md);
    border-color: var(--iaex-neutral-300);
}

.iaex-landing .iaex-feature__icon {
    width: 48px;
    height: 48px;
    border-radius: var(--iaex-r-md);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    margin-bottom: var(--iaex-s-5);
}

.iaex-landing .iaex-feature__icon--accent {
    background: var(--iaex-accent-50);
    color: var(--iaex-accent-700);
}

.iaex-landing .iaex-feature__icon--success {
    background: var(--iaex-success-50);
    color: var(--iaex-success-700);
}

.iaex-landing .iaex-feature__icon--warning {
    background: var(--iaex-warning-50);
    color: var(--iaex-warning-700);
}

.iaex-landing .iaex-feature__icon--danger {
    background: var(--iaex-danger-50);
    color: var(--iaex-danger-700);
}

.iaex-landing .iaex-feature h3 {
    font-size: 18px;
    font-weight: 700;
    margin: 0 0 var(--iaex-s-2);
    color: var(--iaex-text);
    letter-spacing: -0.01em;
}

.iaex-landing .iaex-feature p {
    margin: 0;
    color: var(--iaex-text-soft);
    font-size: 14px;
    line-height: 1.65;
}

/* ============================================================
 * COMPROBANTES (variantes con card featured)
 * ============================================================ */
.iaex-landing .iaex-docs-section {
    background: var(--iaex-surface);
    border-top: 1px solid var(--iaex-border);
    border-bottom: 1px solid var(--iaex-border);
}

.iaex-landing .iaex-docs {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--iaex-s-6);
    align-items: stretch;
}

.iaex-landing .iaex-doc {
    position: relative;
    background: var(--iaex-bg);
    border: 1px solid var(--iaex-border);
    border-radius: var(--iaex-r-xl);
    padding: var(--iaex-s-8);
    transition: transform 200ms var(--iaex-ease), border-color 200ms var(--iaex-ease);
}

.iaex-landing .iaex-doc:hover {
    transform: translateY(-3px);
    border-color: var(--iaex-neutral-400);
}

.iaex-landing .iaex-doc--featured {
    background: linear-gradient(160deg, var(--iaex-accent-900), var(--iaex-accent-700));
    color: var(--iaex-neutral-0);
    border-color: var(--iaex-accent-900);
    box-shadow: var(--iaex-sh-lg);
    transform: translateY(-6px);
}

/* Reglas del card featured con doble clase para ganar a `.iaex-doc > p`
 * independiente del orden de declaracion (especificidad 0,3,1). */
.iaex-landing .iaex-doc.iaex-doc--featured h3,
.iaex-landing .iaex-doc.iaex-doc--featured .iaex-doc__list li {
    color: var(--iaex-neutral-0);
}

.iaex-landing .iaex-doc.iaex-doc--featured .iaex-doc__list li .fa {
    color: #6EE7B7;
    background: rgba(110, 231, 183, 0.18);
}

.iaex-landing .iaex-doc.iaex-doc--featured > p {
    color: rgba(255, 255, 255, 0.88);
}

.iaex-landing .iaex-doc__chip {
    position: absolute;
    top: var(--iaex-s-5);
    right: var(--iaex-s-5);
    background: rgba(255, 255, 255, 0.18);
    color: var(--iaex-neutral-0);
    padding: 4px 10px;
    border-radius: var(--iaex-r-pill);
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

.iaex-landing .iaex-doc__visual {
    width: 72px;
    height: 72px;
    border-radius: var(--iaex-r-lg);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    margin-bottom: var(--iaex-s-5);
}

.iaex-landing .iaex-doc__visual--pdf {
    background: rgba(255, 255, 255, 0.16);
    color: var(--iaex-neutral-0);
}

.iaex-landing .iaex-doc__visual--pos {
    background: var(--iaex-accent-50);
    color: var(--iaex-accent-700);
}

.iaex-landing .iaex-doc__visual--multi {
    background: var(--iaex-surface-alt);
    color: var(--iaex-text-soft);
}

.iaex-landing .iaex-doc h3 {
    font-size: 22px;
    font-weight: 700;
    margin: 0 0 var(--iaex-s-3);
    letter-spacing: -0.015em;
}

.iaex-landing .iaex-doc > p {
    color: var(--iaex-text-soft);
    font-size: 14px;
    line-height: 1.65;
    margin: 0 0 var(--iaex-s-5);
}

.iaex-landing .iaex-doc__list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: var(--iaex-s-3);
}

.iaex-landing .iaex-doc__list li {
    display: flex;
    align-items: flex-start;
    gap: var(--iaex-s-2);
    font-size: 14px;
    color: var(--iaex-text-soft);
}

.iaex-landing .iaex-doc__list li .fa {
    color: var(--iaex-success-500);
    font-size: 12px;
    width: 18px;
    height: 18px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: var(--iaex-success-50);
    flex-shrink: 0;
    margin-top: 2px;
}

/* ============================================================
 * HOW IT WORKS
 * ============================================================ */
.iaex-landing .iaex-how .iaex-steps {
    display: grid;
    grid-template-columns: 1fr 24px 1fr 24px 1fr;
    align-items: stretch;
    gap: var(--iaex-s-2);
}

.iaex-landing .iaex-step {
    background: var(--iaex-surface);
    border: 1px solid var(--iaex-border);
    border-radius: var(--iaex-r-xl);
    padding: var(--iaex-s-8);
    position: relative;
}

.iaex-landing .iaex-step__num {
    font-size: 14px;
    font-weight: 700;
    color: var(--iaex-accent-600);
    background: var(--iaex-accent-50);
    padding: 4px 10px;
    border-radius: var(--iaex-r-pill);
    display: inline-block;
    margin-bottom: var(--iaex-s-4);
    letter-spacing: 0.04em;
}

.iaex-landing .iaex-step h3 {
    font-size: 20px;
    font-weight: 700;
    margin: 0 0 var(--iaex-s-3);
    letter-spacing: -0.015em;
}

.iaex-landing .iaex-step p {
    margin: 0;
    color: var(--iaex-text-soft);
    font-size: 14px;
    line-height: 1.65;
}

.iaex-landing .iaex-step__connector {
    align-self: center;
    height: 2px;
    background: linear-gradient(90deg, var(--iaex-accent-200), var(--iaex-accent-500), var(--iaex-accent-200));
    border-radius: 2px;
    min-width: 24px;
}

/* ============================================================
 * CATEGORIAS
 * ============================================================ */
.iaex-landing .iaex-categories-section {
    background: var(--iaex-surface);
    border-top: 1px solid var(--iaex-border);
    border-bottom: 1px solid var(--iaex-border);
}

.iaex-landing .iaex-categories {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--iaex-s-5);
}

.iaex-landing .iaex-category {
    background: var(--iaex-bg);
    border: 1px solid var(--iaex-border);
    border-radius: var(--iaex-r-lg);
    padding: var(--iaex-s-6);
    text-align: center;
    transition: transform 200ms var(--iaex-ease), border-color 200ms var(--iaex-ease),
                box-shadow 200ms var(--iaex-ease);
}

.iaex-landing .iaex-category:hover {
    transform: translateY(-3px);
    border-color: var(--iaex-accent-200);
    box-shadow: var(--iaex-sh-md);
}

.iaex-landing .iaex-category__icon {
    width: 56px;
    height: 56px;
    border-radius: var(--iaex-r-md);
    background: var(--iaex-accent-50);
    color: var(--iaex-accent-700);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    margin-bottom: var(--iaex-s-3);
}

.iaex-landing .iaex-category h3 {
    font-size: 15px;
    font-weight: 700;
    margin: 0;
    color: var(--iaex-text);
}

/* ============================================================
 * EVIDENCIAS / CONFIANZA
 * ============================================================ */
.iaex-landing .iaex-evidence__grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: var(--iaex-s-12);
    align-items: center;
}

.iaex-landing .iaex-evidence__copy h2 {
    text-align: left;
}

.iaex-landing .iaex-evidence__copy .iaex-section-lead {
    text-align: left;
    margin-bottom: var(--iaex-s-6);
}

.iaex-landing .iaex-evidence__list {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--iaex-s-3);
}

.iaex-landing .iaex-evidence__item {
    display: flex;
    gap: var(--iaex-s-3);
    padding: var(--iaex-s-4);
    background: var(--iaex-surface);
    border: 1px solid var(--iaex-border);
    border-radius: var(--iaex-r-lg);
    align-items: flex-start;
}

.iaex-landing .iaex-evidence__icon {
    flex: 0 0 36px;
    height: 36px;
    border-radius: var(--iaex-r-md);
    background: var(--iaex-accent-50);
    color: var(--iaex-accent-700);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
}

.iaex-landing .iaex-evidence__item strong {
    display: block;
    font-size: 14px;
    color: var(--iaex-text);
    margin-bottom: 2px;
}

.iaex-landing .iaex-evidence__item span {
    font-size: 12.5px;
    color: var(--iaex-text-muted);
    line-height: 1.5;
}

/* ============================================================
 * FLUJO DE ESTADOS
 * ============================================================ */
.iaex-landing .iaex-flow {
    background: var(--iaex-surface);
    border-top: 1px solid var(--iaex-border);
    border-bottom: 1px solid var(--iaex-border);
}

.iaex-landing .iaex-states {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--iaex-s-3);
    flex-wrap: wrap;
}

.iaex-landing .iaex-state {
    background: var(--iaex-bg);
    border: 1px solid var(--iaex-border);
    border-radius: var(--iaex-r-lg);
    padding: var(--iaex-s-5) var(--iaex-s-6);
    text-align: center;
    min-width: 160px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    transition: transform 160ms var(--iaex-ease);
}

.iaex-landing .iaex-state:hover { transform: translateY(-3px); }

.iaex-landing .iaex-state .fa {
    font-size: 22px;
    margin-bottom: var(--iaex-s-2);
    color: var(--iaex-accent-600);
}

.iaex-landing .iaex-state strong {
    font-size: 14px;
    color: var(--iaex-text);
}

.iaex-landing .iaex-state span {
    font-size: 12px;
    color: var(--iaex-text-muted);
}

.iaex-landing .iaex-state__sep {
    color: var(--iaex-text-muted);
    font-size: 20px;
}

/* ============================================================
 * STACK
 * ============================================================ */
.iaex-landing .iaex-tech-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--iaex-s-3);
}

.iaex-landing .iaex-tech-chip {
    background: var(--iaex-surface);
    border: 1px solid var(--iaex-border);
    border-radius: var(--iaex-r-lg);
    padding: var(--iaex-s-5);
    display: flex;
    flex-direction: column;
    gap: 4px;
    transition: border-color 160ms var(--iaex-ease), transform 160ms var(--iaex-ease);
}

.iaex-landing .iaex-tech-chip:hover {
    border-color: var(--iaex-accent-200);
    transform: translateY(-2px);
}

.iaex-landing .iaex-tech-chip .fa {
    font-size: 20px;
    color: var(--iaex-accent-600);
    margin-bottom: var(--iaex-s-2);
}

.iaex-landing .iaex-tech-chip strong {
    font-size: 14px;
    color: var(--iaex-text);
    font-weight: 700;
}

.iaex-landing .iaex-tech-chip small {
    font-size: 12px;
    color: var(--iaex-text-muted);
}

/* ============================================================
 * COMPARATIVO
 * ============================================================ */
.iaex-landing .iaex-compare__table {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--iaex-s-4);
}

.iaex-landing .iaex-compare__col {
    background: var(--iaex-surface);
    border: 1px solid var(--iaex-border);
    border-radius: var(--iaex-r-xl);
    padding: var(--iaex-s-8);
}

.iaex-landing .iaex-compare__col h3 {
    font-size: 18px;
    font-weight: 700;
    color: var(--iaex-text-soft);
    margin: 0 0 var(--iaex-s-5);
    letter-spacing: -0.01em;
}

.iaex-landing .iaex-compare__col ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: var(--iaex-s-3);
}

.iaex-landing .iaex-compare__col li {
    display: flex;
    align-items: flex-start;
    gap: var(--iaex-s-3);
    font-size: 14px;
    color: var(--iaex-text-soft);
    line-height: 1.5;
}

.iaex-landing .iaex-compare__col--traditional li .fa {
    color: var(--iaex-danger-500);
    margin-top: 4px;
}

.iaex-landing .iaex-compare__col--driverp {
    background: linear-gradient(160deg, var(--iaex-accent-50), var(--iaex-surface));
    border-color: var(--iaex-accent-200);
    position: relative;
}

.iaex-landing .iaex-compare__col--driverp li .fa {
    color: var(--iaex-success-700);
    background: var(--iaex-success-50);
    width: 20px;
    height: 20px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    font-size: 11px;
    flex-shrink: 0;
    margin-top: 2px;
}

.iaex-landing .iaex-compare__col--driverp li {
    color: var(--iaex-text);
    font-weight: 500;
}

.iaex-landing .iaex-compare__brand {
    font-size: 18px;
    font-weight: 800;
    color: var(--iaex-accent-700);
    margin-bottom: var(--iaex-s-5);
    letter-spacing: -0.01em;
}

/* ============================================================
 * CTA FINAL
 * ============================================================ */
.iaex-landing .iaex-cta {
    padding-bottom: var(--iaex-s-24);
}

.iaex-landing .iaex-cta__card {
    background: linear-gradient(135deg, var(--iaex-accent-900), var(--iaex-accent-600));
    border-radius: var(--iaex-r-2xl);
    padding: var(--iaex-s-12);
    color: var(--iaex-neutral-0);
    display: grid;
    grid-template-columns: 1.4fr 1fr;
    gap: var(--iaex-s-8);
    align-items: center;
    box-shadow: var(--iaex-sh-lg);
    position: relative;
    overflow: hidden;
}

.iaex-landing .iaex-cta__card::before {
    content: '';
    position: absolute;
    top: -60px;
    right: -60px;
    width: 280px;
    height: 280px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.16), transparent 70%);
    pointer-events: none;
}

.iaex-landing .iaex-cta__copy h2 {
    margin: 0 0 var(--iaex-s-3);
    font-size: clamp(24px, 3vw, 34px);
    line-height: 1.2;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.iaex-landing .iaex-cta__copy p {
    margin: 0;
    color: rgba(255, 255, 255, 0.82);
    font-size: 16px;
    line-height: 1.6;
}

.iaex-landing .iaex-cta__actions {
    display: flex;
    flex-direction: column;
    gap: var(--iaex-s-3);
    align-items: flex-end;
    position: relative;
    z-index: 1;
}

.iaex-landing .iaex-cta .iaex-btn--primary {
    background: var(--iaex-neutral-0);
    color: var(--iaex-accent-700);
    box-shadow: 0 8px 18px rgba(0, 0, 0, 0.18);
}

.iaex-landing .iaex-cta .iaex-btn--primary:hover {
    background: var(--iaex-neutral-100);
    color: var(--iaex-accent-700);
}

/* ============================================================
 * RESPONSIVE
 * ============================================================ */
@media (max-width: 1024px) {
    .iaex-landing .iaex-hero__inner { grid-template-columns: 1fr; gap: var(--iaex-s-12); }
    .iaex-landing .iaex-hero__right { min-height: auto; margin-top: var(--iaex-s-6); }
    .iaex-landing .iaex-features,
    .iaex-landing .iaex-docs,
    .iaex-landing .iaex-tech-grid { grid-template-columns: repeat(2, 1fr); }
    .iaex-landing .iaex-categories { grid-template-columns: repeat(2, 1fr); }
    .iaex-landing .iaex-how .iaex-steps { grid-template-columns: 1fr; }
    .iaex-landing .iaex-step__connector { display: none; }
    .iaex-landing .iaex-evidence__grid { grid-template-columns: 1fr; gap: var(--iaex-s-8); }
    .iaex-landing .iaex-metrics__grid { grid-template-columns: repeat(2, 1fr); gap: var(--iaex-s-6); }
    .iaex-landing .iaex-cta__card { grid-template-columns: 1fr; text-align: left; }
    .iaex-landing .iaex-cta__actions { align-items: stretch; }
    .iaex-landing .iaex-compare__table { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
    .iaex-landing .iaex-section { padding: var(--iaex-s-16) 0; }
    .iaex-landing .iaex-hero { padding: var(--iaex-s-16) 0 var(--iaex-s-12); }
    .iaex-landing .iaex-features,
    .iaex-landing .iaex-docs,
    .iaex-landing .iaex-tech-grid,
    .iaex-landing .iaex-categories { grid-template-columns: 1fr; }
    .iaex-landing .iaex-evidence__list { grid-template-columns: 1fr; }
    .iaex-landing .iaex-metric__value { font-size: 40px; }
    .iaex-landing .iaex-floater { display: none; }
    .iaex-landing .iaex-states { flex-direction: column; }
    .iaex-landing .iaex-state__sep { transform: rotate(90deg); }
}