/* =========================================================
   ProadSystem IA — Hoja de estilos exclusiva de esta landing
   Todas las clases usan el prefijo "psia-" a propósito, para
   que nunca choquen con los estilos de otros sistemas que
   vivan en el mismo hosting (ej. Bootstrap de otros proyectos).
   ========================================================= */

:root {
    --psia-navy-950: #070c16;
    --psia-navy-900: #0b1220;
    --psia-navy-800: #111a2e;
    --psia-navy-700: #1a2540;
    --psia-navy-600: #263455;
    --psia-cobalt: #2f5eff;
    --psia-cobalt-soft: #6f8dff;
    --psia-gold: #c9a15c;
    --psia-gold-soft: #e2c489;
    --psia-text-hi: #e8ebf2;
    --psia-text-mid: #a9b1c6;
    --psia-text-low: #6c7488;
    --psia-line: rgba(232, 235, 242, 0.09);
    --psia-line-strong: rgba(232, 235, 242, 0.16);

    --psia-font-display: 'Space Grotesk', 'Segoe UI', sans-serif;
    --psia-font-body: 'IBM Plex Sans', 'Segoe UI', sans-serif;
    --psia-font-mono: 'IBM Plex Mono', 'Courier New', monospace;

    --psia-maxw: 1180px;
    --psia-radius: 10px;
}

/* ---------- Reset acotado solo a esta página ---------- */
.psia-root, .psia-root * , .psia-root *::before, .psia-root *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}
.psia-root {
    background: var(--psia-navy-900);
    color: var(--psia-text-hi);
    font-family: var(--psia-font-body);
    font-size: 16px;
    line-height: 1.65;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}
.psia-root img { max-width: 100%; display: block; }
.psia-root a { color: inherit; text-decoration: none; }
.psia-root ul { list-style: none; }
.psia-root button { font-family: inherit; cursor: pointer; }
.psia-root :focus-visible {
    outline: 2px solid var(--psia-cobalt-soft);
    outline-offset: 3px;
}

.psia-container {
    width: 100%;
    max-width: var(--psia-maxw);
    margin: 0 auto;
    padding: 0 32px;
}

.psia-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-family: var(--psia-font-mono);
    font-size: 12.5px;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--psia-gold-soft);
}
.psia-eyebrow::before {
    content: '';
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--psia-gold);
    box-shadow: 0 0 0 3px rgba(201, 161, 92, 0.18);
}

.psia-h1, .psia-h2, .psia-h3 {
    font-family: var(--psia-font-display);
    font-weight: 600;
    color: var(--psia-text-hi);
    letter-spacing: -0.01em;
}
.psia-h1 { font-size: clamp(2.6rem, 5vw, 4.2rem); line-height: 1.06; letter-spacing: -0.02em; }
.psia-h2 { font-size: clamp(1.9rem, 3.2vw, 2.6rem); line-height: 1.15; }
.psia-h3 { font-size: 1.28rem; line-height: 1.3; }

.psia-lead {
    font-size: 1.15rem;
    color: var(--psia-text-mid);
    max-width: 640px;
}
.psia-p { color: var(--psia-text-mid); }

/* ---------- Botones ---------- */
.psia-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 26px;
    border-radius: 8px;
    font-family: var(--psia-font-body);
    font-weight: 600;
    font-size: 14.5px;
    border: 1px solid transparent;
    transition: transform 0.18s ease, box-shadow 0.18s ease, background 0.18s ease, border-color 0.18s ease;
}
.psia-btn-primary {
    background: linear-gradient(135deg, var(--psia-cobalt), #4a72ff);
    color: #fff;
    box-shadow: 0 8px 24px -8px rgba(47, 94, 255, 0.55);
}
.psia-btn-primary:hover { transform: translateY(-2px); box-shadow: 0 12px 30px -8px rgba(47, 94, 255, 0.7); }
.psia-btn-ghost {
    background: transparent;
    border-color: var(--psia-line-strong);
    color: var(--psia-text-hi);
}
.psia-btn-ghost:hover { border-color: var(--psia-gold); color: var(--psia-gold-soft); }

/* ---------- Nav ---------- */
.psia-nav {
    position: sticky;
    top: 0;
    z-index: 50;
    background: rgba(11, 18, 32, 0.78);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--psia-line);
}
.psia-nav-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 18px 32px;
}
.psia-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: var(--psia-font-display);
    font-weight: 700;
    font-size: 17px;
    letter-spacing: -0.01em;
}
.psia-logo-mark {
    width: 32px;
    height: 32px;
    border-radius: 8px;
    background: linear-gradient(135deg, var(--psia-cobalt), var(--psia-gold));
    position: relative;
    flex-shrink: 0;
}
.psia-logo-mark::before, .psia-logo-mark::after {
    content: '';
    position: absolute;
    background: var(--psia-navy-900);
}
.psia-logo-mark::before { top: 9px; left: 6px; right: 6px; height: 2px; }
.psia-logo-mark::after { top: 15px; left: 9px; right: 12px; height: 2px; }
.psia-logo-sub { color: var(--psia-gold-soft); font-weight: 400; }

.psia-nav-links {
    display: flex;
    gap: 34px;
    font-size: 14px;
    font-weight: 500;
    color: var(--psia-text-mid);
}
.psia-nav-links a { transition: color 0.15s ease; }
.psia-nav-links a:hover { color: var(--psia-text-hi); }
.psia-nav-cta { display: flex; align-items: center; gap: 18px; }
.psia-nav-toggle { display: none; }

/* ---------- Hero ---------- */
.psia-hero {
    position: relative;
    padding: 128px 0 110px;
    overflow: hidden;
    border-bottom: 1px solid var(--psia-line);
}
.psia-hero-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
    background-image:
        linear-gradient(var(--psia-line) 1px, transparent 1px),
        linear-gradient(90deg, var(--psia-line) 1px, transparent 1px);
    background-size: 42px 42px;
    -webkit-mask-image: radial-gradient(ellipse 70% 60% at 60% 30%, #000 40%, transparent 90%);
    mask-image: radial-gradient(ellipse 70% 60% at 60% 30%, #000 40%, transparent 90%);
}
.psia-hero-trace {
    position: absolute;
    inset: 0;
    z-index: 1;
    pointer-events: none;
}
.psia-hero-inner {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: 1.15fr 0.85fr;
    gap: 56px;
    align-items: center;
}
.psia-hero-copy .psia-eyebrow { margin-bottom: 22px; }
.psia-hero-copy .psia-h1 { margin-bottom: 22px; }
.psia-hero-copy .psia-lead { margin-bottom: 36px; }
.psia-hero-actions { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 46px; }

.psia-hero-stats {
    display: flex;
    gap: 34px;
    flex-wrap: wrap;
}
.psia-hero-stat-num {
    font-family: var(--psia-font-mono);
    font-size: 1.7rem;
    font-weight: 500;
    color: var(--psia-text-hi);
}
.psia-hero-stat-label {
    font-size: 12.5px;
    color: var(--psia-text-low);
    margin-top: 2px;
}

/* ---------- Panel de "consola" en el hero ---------- */
.psia-console {
    background: linear-gradient(180deg, var(--psia-navy-800), var(--psia-navy-700));
    border: 1px solid var(--psia-line-strong);
    border-radius: 14px;
    overflow: hidden;
    box-shadow: 0 30px 70px -30px rgba(0, 0, 0, 0.6);
}
.psia-console-bar {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 16px;
    border-bottom: 1px solid var(--psia-line);
}
.psia-console-dot { width: 9px; height: 9px; border-radius: 50%; background: var(--psia-navy-600); }
.psia-console-title {
    margin-left: 8px;
    font-family: var(--psia-font-mono);
    font-size: 12px;
    color: var(--psia-text-low);
}
.psia-console-body { padding: 22px 20px; font-family: var(--psia-font-mono); font-size: 13px; }
.psia-console-line { display: flex; gap: 10px; padding: 5px 0; color: var(--psia-text-mid); }
.psia-console-line .psia-console-ok { color: var(--psia-cobalt-soft); }
.psia-console-line .psia-console-tag { color: var(--psia-gold-soft); }
.psia-console-cursor {
    display: inline-block;
    width: 7px;
    height: 14px;
    background: var(--psia-cobalt-soft);
    margin-left: 2px;
    animation: psia-blink 1.1s steps(1) infinite;
}
@keyframes psia-blink { 50% { opacity: 0; } }

/* ---------- Secciones genéricas ---------- */
.psia-section { padding: 108px 0; }
.psia-section-alt { background: var(--psia-navy-950); border-top: 1px solid var(--psia-line); border-bottom: 1px solid var(--psia-line); }
.psia-section-head { max-width: 620px; margin-bottom: 58px; }
.psia-section-head .psia-eyebrow { margin-bottom: 16px; }
.psia-section-head .psia-h2 { margin-bottom: 14px; }

/* ---------- Servicios ---------- */
.psia-services-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1px;
    background: var(--psia-line);
    border: 1px solid var(--psia-line);
    border-radius: var(--psia-radius);
    overflow: hidden;
}
.psia-service-card {
    background: var(--psia-navy-900);
    padding: 34px 26px;
    transition: background 0.2s ease;
}
.psia-service-card:hover { background: var(--psia-navy-800); }
.psia-service-tag {
    display: inline-block;
    font-family: var(--psia-font-mono);
    font-size: 11.5px;
    letter-spacing: 0.08em;
    color: var(--psia-cobalt-soft);
    background: rgba(47, 94, 255, 0.1);
    border: 1px solid rgba(47, 94, 255, 0.28);
    padding: 4px 9px;
    border-radius: 5px;
    margin-bottom: 18px;
}
.psia-service-card .psia-h3 { margin-bottom: 10px; }
.psia-service-card .psia-p { font-size: 14.5px; }

/* ---------- Diferenciadores ---------- */
.psia-diff-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 28px;
}
.psia-diff-item {
    display: flex;
    gap: 18px;
    padding: 26px;
    border: 1px solid var(--psia-line);
    border-radius: var(--psia-radius);
    background: linear-gradient(180deg, var(--psia-navy-800), transparent);
}
.psia-diff-mark {
    flex-shrink: 0;
    width: 38px;
    height: 38px;
    border-radius: 9px;
    border: 1px solid rgba(201, 161, 92, 0.4);
    color: var(--psia-gold-soft);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--psia-font-mono);
    font-size: 13px;
}
.psia-diff-item .psia-h3 { margin-bottom: 6px; font-size: 1.08rem; }
.psia-diff-item .psia-p { font-size: 14.5px; }

/* ---------- Proceso (sí es secuencia real, sí lleva numeración) ---------- */
.psia-process {
    position: relative;
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 22px;
}
.psia-process::before {
    content: '';
    position: absolute;
    top: 21px;
    left: 5%;
    right: 5%;
    height: 1px;
    background: var(--psia-line-strong);
    z-index: 0;
}
.psia-process-step { position: relative; z-index: 1; }
.psia-process-num {
    width: 42px;
    height: 42px;
    border-radius: 50%;
    background: var(--psia-navy-900);
    border: 1px solid var(--psia-cobalt);
    color: var(--psia-cobalt-soft);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--psia-font-mono);
    font-size: 14px;
    margin-bottom: 18px;
}
.psia-process-step .psia-h3 { font-size: 1rem; margin-bottom: 6px; }
.psia-process-step .psia-p { font-size: 13.5px; }

/* ---------- Caso de éxito ---------- */
.psia-case {
    display: grid;
    grid-template-columns: 0.95fr 1.05fr;
    gap: 0;
    border: 1px solid var(--psia-line-strong);
    border-radius: 14px;
    overflow: hidden;
    background: var(--psia-navy-800);
}
.psia-case-visual {
    background:
        radial-gradient(circle at 30% 20%, rgba(47, 94, 255, 0.22), transparent 55%),
        radial-gradient(circle at 80% 80%, rgba(201, 161, 92, 0.16), transparent 50%),
        var(--psia-navy-950);
    padding: 40px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 14px;
    border-right: 1px solid var(--psia-line);
}
.psia-case-metric { display: flex; align-items: baseline; gap: 10px; }
.psia-case-metric-num { font-family: var(--psia-font-mono); font-size: 2.1rem; color: var(--psia-text-hi); }
.psia-case-metric-label { font-size: 13px; color: var(--psia-text-low); }
.psia-case-body { padding: 44px 40px; }
.psia-case-body .psia-eyebrow { margin-bottom: 16px; }
.psia-case-body .psia-h2 { margin-bottom: 16px; }
.psia-case-list { margin-top: 22px; display: flex; flex-direction: column; gap: 11px; }
.psia-case-list li {
    display: flex;
    gap: 10px;
    font-size: 14.5px;
    color: var(--psia-text-mid);
}
.psia-case-list li::before {
    content: '';
    width: 6px; height: 6px;
    margin-top: 8px;
    border-radius: 1px;
    background: var(--psia-gold);
    flex-shrink: 0;
    transform: rotate(45deg);
}

/* ---------- Contacto ---------- */
.psia-contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
}
.psia-contact-list { margin-top: 30px; display: flex; flex-direction: column; gap: 20px; }
.psia-contact-row {
    display: flex;
    gap: 16px;
    align-items: center;
    padding-bottom: 18px;
    border-bottom: 1px solid var(--psia-line);
}
.psia-contact-icon {
    width: 40px; height: 40px;
    border-radius: 9px;
    border: 1px solid var(--psia-line-strong);
    display: flex; align-items: center; justify-content: center;
    color: var(--psia-cobalt-soft);
    font-family: var(--psia-font-mono);
    font-size: 15px;
    flex-shrink: 0;
}
.psia-contact-row a:hover, .psia-contact-row a:focus-visible { color: var(--psia-gold-soft); }
.psia-contact-label { font-size: 12px; color: var(--psia-text-low); margin-bottom: 2px; }
.psia-contact-value { font-size: 15px; font-weight: 500; }

.psia-form { display: flex; flex-direction: column; gap: 16px; }
.psia-field label {
    display: block;
    font-size: 12.5px;
    color: var(--psia-text-low);
    margin-bottom: 7px;
    font-family: var(--psia-font-mono);
    letter-spacing: 0.04em;
}
.psia-field input, .psia-field textarea {
    width: 100%;
    background: var(--psia-navy-800);
    border: 1px solid var(--psia-line-strong);
    border-radius: 8px;
    padding: 13px 14px;
    color: var(--psia-text-hi);
    font-family: var(--psia-font-body);
    font-size: 14.5px;
    transition: border-color 0.15s ease;
}
.psia-field input:focus, .psia-field textarea:focus {
    outline: none;
    border-color: var(--psia-cobalt);
}
.psia-field textarea { resize: vertical; min-height: 110px; }
.psia-form-note { font-size: 12.5px; color: var(--psia-text-low); margin-top: 4px; }

/* ---------- Footer ---------- */
.psia-footer { padding: 56px 0 34px; border-top: 1px solid var(--psia-line); }
.psia-footer-inner {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    flex-wrap: wrap;
    gap: 32px;
}
.psia-footer-brand .psia-logo { margin-bottom: 12px; }
.psia-footer-brand .psia-p { font-size: 13.5px; max-width: 280px; }
.psia-footer-cols { display: flex; gap: 64px; flex-wrap: wrap; }
.psia-footer-col h4 {
    font-family: var(--psia-font-mono);
    font-size: 12px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--psia-text-low);
    margin-bottom: 14px;
}
.psia-footer-col ul { display: flex; flex-direction: column; gap: 10px; }
.psia-footer-col a { font-size: 14px; color: var(--psia-text-mid); transition: color 0.15s ease; }
.psia-footer-col a:hover { color: var(--psia-gold-soft); }
.psia-footer-bottom {
    margin-top: 48px;
    padding-top: 22px;
    border-top: 1px solid var(--psia-line);
    display: flex;
    justify-content: space-between;
    font-size: 12.5px;
    color: var(--psia-text-low);
    flex-wrap: wrap;
    gap: 10px;
}

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
    .psia-root * { animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; }
}

/* ---------- Responsive ---------- */
@media (max-width: 980px) {
    .psia-hero-inner { grid-template-columns: 1fr; }
    .psia-services-grid { grid-template-columns: repeat(2, 1fr); }
    .psia-diff-grid { grid-template-columns: 1fr; }
    .psia-process { grid-template-columns: repeat(3, 1fr); row-gap: 34px; }
    .psia-process::before { display: none; }
    .psia-case { grid-template-columns: 1fr; }
    .psia-case-visual { border-right: none; border-bottom: 1px solid var(--psia-line); }
    .psia-contact-grid { grid-template-columns: 1fr; gap: 40px; }
}

@media (max-width: 720px) {
    .psia-nav-links, .psia-hero-stats br { display: none; }
    .psia-nav-links { display: none; }
    .psia-section { padding: 76px 0; }
    .psia-hero { padding: 96px 0 70px; }
    .psia-services-grid { grid-template-columns: 1fr; }
    .psia-process { grid-template-columns: 1fr 1fr; }
    .psia-footer-inner { flex-direction: column; }
    .psia-footer-cols { gap: 40px; }
    .psia-container { padding: 0 20px; }
    .psia-nav-inner { padding: 16px 20px; }
}