/* ==========================================================================
   Krats.tech — design tokens
   Paleta: tinta profunda + duo deepskyblue/ámbar (inspirado en syntax highlighting)
   Tipografía: Space Grotesk (display) / Inter (texto) / JetBrains Mono (código)
   ========================================================================== */

:root {
    --bg-base: #0b0e14;
    --bg-elevated: #121623;
    --bg-elevated-2: #171c2c;
    --border: #232a3d;
    --border-soft: #1a2032;

    --text-primary: #edeff4;
    --text-muted: #8a93a6;
    --text-faint: #545c70;

    --accent-indigo: deepskyblue;
    --accent-indigo-soft: #00bfff26;
    --accent-amber: #ffb454;
    --accent-green: #4ade80;

    --font-display: "Space Grotesk", "Inter", system-ui, sans-serif;
    --font-body: "Inter", system-ui, sans-serif;
    --font-mono: "JetBrains Mono", ui-monospace, "SFMono-Regular", monospace;

    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 20px;

    --container-width: 1160px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    *, *::before, *::after {
        animation-duration: 0.001ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.001ms !important;
        scroll-behavior: auto !important;
    }
}

body {
    margin: 0;
    background: var(--bg-base);
    color: var(--text-primary);
    font-family: var(--font-body);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

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

h1, h2, h3 {
    font-family: var(--font-display);
    font-weight: 600;
    line-height: 1.15;
    margin: 0 0 12px;
    letter-spacing: -0.01em;
}

p { margin: 0 0 16px; color: var(--text-muted); }

a { color: inherit; text-decoration: none; }

.skip-link {
    position: absolute;
    left: -9999px;
    top: 0;
    background: var(--accent-indigo);
    color: #fff;
    padding: 10px 16px;
    border-radius: 0 0 8px 0;
    z-index: 999;
}
.skip-link:focus {
    left: 0;
}

:focus-visible {
    outline: 2px solid var(--accent-amber);
    outline-offset: 3px;
}

.visually-hidden {
    position: absolute;
    width: 1px; height: 1px;
    overflow: hidden;
    clip: rect(0 0 0 0);
    white-space: nowrap;
}

/* ---------- eyebrow / labels ---------- */
.eyebrow {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--accent-amber);
    letter-spacing: 0.02em;
    margin-bottom: 10px;
}
.eyebrow--center { text-align: center; }

/* ---------- botones ---------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-family: var(--font-body);
    font-weight: 600;
    font-size: 0.95rem;
    padding: 12px 22px;
    border-radius: var(--radius-sm);
    border: 1px solid transparent;
    cursor: pointer;
    transition: transform 0.15s ease, background 0.15s ease, border-color 0.15s ease;
}
.btn--primary {
    background: var(--accent-indigo);
    color: #fff;
}
.btn--primary:hover { transform: translateY(-1px); background: #33ccff; }
.btn--ghost {
    background: transparent;
    border-color: var(--border);
    color: var(--text-primary);
}
.btn--ghost:hover { border-color: var(--accent-indigo); }
.btn--sm { padding: 8px 16px; font-size: 0.85rem; }
.btn--lg { padding: 16px 32px; font-size: 1.05rem; }
.btn--block { width: 100%; }

/* ==========================================================================
   Topbar
   ========================================================================== */
.topbar {
    position: sticky;
    top: 0;
    z-index: 50;
    background: rgba(11, 14, 20, 0.85);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-soft);
}
.topbar__inner {
    display: flex;
    align-items: center;
    gap: 24px;
    padding-block: 16px;
}
.brand {
    display: flex;
    align-items: center;
    gap: 8px;
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 1.15rem;
}
.brand__mark {
    font-family: var(--font-mono);
    color: var(--accent-indigo);
}
.brand__dot { color: var(--accent-amber); }

.nav {
    display: flex;
    gap: 18px;
    margin-inline: auto;
    font-size: 0.88rem;
}
.nav a { color: var(--text-muted); transition: color 0.15s ease; }
.nav a:hover { color: var(--text-primary); }

.topbar__actions {
    display: flex;
    align-items: center;
    gap: 14px;
}

.selector-idioma__select {
    background: var(--bg-elevated);
    color: var(--text-primary);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 8px 10px;
    font-family: var(--font-mono);
    font-size: 0.78rem;
    cursor: pointer;
}

.nav-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    flex-direction: column;
    gap: 5px;
    padding: 4px;
}
.nav-toggle span {
    width: 22px; height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
}

.nav-movil {
    display: none;
    flex-direction: column;
    gap: 4px;
    padding: 8px 24px 18px;
    border-top: 1px solid var(--border-soft);
}
.nav-movil a {
    padding: 10px 0;
    color: var(--text-muted);
    border-bottom: 1px solid var(--border-soft);
}
.nav-movil.is-open { display: flex; }

/* ==========================================================================
   Hero
   ========================================================================== */
.hero {
    display: grid;
    grid-template-columns: 1.05fr 0.95fr;
    align-items: center;
    gap: 56px;
    padding-block: 96px 80px;
}
.hero__title {
    font-size: clamp(2.1rem, 4vw, 3.1rem);
    color: var(--text-primary);
}
.hero__subtitle {
    font-size: 1.05rem;
    max-width: 46ch;
}
.hero__ctas {
    display: flex;
    gap: 14px;
    margin-top: 28px;
    flex-wrap: wrap;
}

.hero__visual { position: relative; }

.terminal {
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: 0 30px 60px -20px rgba(0,0,0,0.6);
}
.terminal__bar {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 16px;
    background: var(--bg-elevated-2);
    border-bottom: 1px solid var(--border);
}
.terminal__dot {
    width: 10px; height: 10px; border-radius: 50%;
    display: inline-block;
}
.terminal__dot--red { background: #ff5f57; }
.terminal__dot--amber { background: #febc2e; }
.terminal__dot--green { background: #28c840; }
.terminal__title {
    margin-left: 8px;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--text-faint);
}
.terminal__body {
    padding: 22px 20px 28px;
    font-family: var(--font-mono);
    font-size: 0.88rem;
}
.terminal__line { margin: 0 0 10px; color: var(--text-primary); word-break: break-word; }
.terminal__line--muted { color: var(--text-faint); }
.terminal__line--accent { color: var(--accent-green); }
.terminal__prompt { color: var(--accent-indigo); margin-right: 8px; }
.terminal__cursor {
    display: inline-block;
    width: 8px; height: 16px;
    background: var(--accent-amber);
    animation: blink 1.1s step-end infinite;
    vertical-align: middle;
}
@keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0; }
}

.status-chip {
    position: absolute;
    top: -14px;
    right: 18px;
    background: var(--bg-elevated-2);
    border: 1px solid var(--border);
    border-radius: 999px;
    padding: 6px 14px;
    font-family: var(--font-mono);
    font-size: 0.72rem;
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--accent-green);
}
.status-chip__dot {
    width: 7px; height: 7px; border-radius: 50%;
    background: var(--accent-green);
    box-shadow: 0 0 0 3px rgba(74, 222, 128, 0.18);
}

/* ==========================================================================
   Secciones genéricas
   ========================================================================== */
.section { padding-block: 88px; }
.section--alt { background: var(--bg-elevated); border-top: 1px solid var(--border-soft); border-bottom: 1px solid var(--border-soft); }
.section__title { font-size: clamp(1.6rem, 3vw, 2.3rem); }
.section__title--center { text-align: center; }
.section__subtitle {
    text-align: center;
    max-width: 56ch;
    margin-inline: auto;
    margin-bottom: 48px;
}

/* ---------- servicios ---------- */
.services-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-top: 48px;
}
.service-card {
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 24px;
    transition: border-color 0.2s ease, transform 0.2s ease;
}
.service-card:hover { border-color: var(--accent-indigo); transform: translateY(-2px); }
.service-card__icon {
    width: 46px; height: 46px;
    display: flex; align-items: center; justify-content: center;
    border-radius: var(--radius-sm);
    background: var(--accent-indigo-soft);
    color: var(--accent-indigo);
    margin-bottom: 20px;
}
.service-card__icon svg { width: 24px; height: 24px; }
.service-card h3 { color: var(--text-primary); font-size: 1.12rem; }
.service-card__features {
    list-style: none;
    margin: 18px 0 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 10px;
}
.service-card__features li {
    font-size: 0.9rem;
    color: var(--text-muted);
    padding-left: 20px;
    position: relative;
}
.service-card__features li::before {
    content: "→";
    position: absolute;
    left: 0;
    color: var(--accent-amber);
    font-family: var(--font-mono);
}

/* ---------- portafolio ---------- */
.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-top: 48px;
}
.portfolio-card {
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 24px;
    transition: border-color 0.2s ease, transform 0.2s ease;
}
.portfolio-card:hover { border-color: var(--accent-amber); transform: translateY(-2px); }
.portfolio-card__meta {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 16px;
}
.portfolio-card__tag {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: 0.68rem;
    color: var(--accent-indigo);
    background: var(--accent-indigo-soft);
    padding: 4px 10px;
    border-radius: 999px;
}
.portfolio-card__level {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: 0.68rem;
    color: var(--accent-amber);
    background: rgba(255, 180, 84, 0.12);
    padding: 4px 10px;
    border-radius: 999px;
}
.portfolio-card h3 { color: var(--text-primary); font-size: 1.05rem; }
.portfolio-card p { font-size: 0.88rem; margin-bottom: 0; }

/* ---------- proceso ---------- */
.process {
    list-style: none;
    margin: 48px 0 0;
    padding: 0;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}
.process__step {
    border-top: 2px solid var(--border);
    padding-top: 18px;
    position: relative;
}
.process__index {
    display: block;
    font-family: var(--font-mono);
    color: var(--accent-indigo);
    font-size: 0.85rem;
    margin-bottom: 10px;
}
.process__step h3 { font-size: 1.05rem; color: var(--text-primary); }
.process__step p { font-size: 0.9rem; margin-bottom: 0; }

/* ---------- precios ---------- */
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    align-items: stretch;
}
.price-card {
    position: relative;
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 32px 28px;
    display: flex;
    flex-direction: column;
}
.price-card--featured {
    border-color: var(--accent-indigo);
    background: linear-gradient(180deg, var(--accent-indigo-soft), var(--bg-elevated) 60%);
}
.price-card__badge {
    position: absolute;
    top: -13px;
    left: 28px;
    background: var(--accent-indigo);
    color: #fff;
    font-size: 0.72rem;
    font-family: var(--font-mono);
    padding: 5px 12px;
    border-radius: 999px;
}
.price-card h3 { color: var(--text-primary); font-size: 1.1rem; margin-bottom: 6px; }
.price-card__price {
    font-family: var(--font-display);
    font-size: 1.7rem;
    color: var(--accent-amber);
    margin-bottom: 10px;
}
.price-card__desc { font-size: 0.9rem; }
.price-card__features {
    list-style: none;
    padding: 0;
    margin: 0 0 26px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    flex-grow: 1;
}
.price-card__features li {
    font-size: 0.88rem;
    color: var(--text-muted);
    padding-left: 22px;
    position: relative;
}
.price-card__features li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--accent-green);
}

.custom-strip {
    margin-top: 32px;
    background: var(--bg-elevated-2);
    border: 1px dashed var(--border);
    border-radius: var(--radius-lg);
    padding: 28px 32px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    flex-wrap: wrap;
}
.custom-strip h3 { color: var(--text-primary); margin-bottom: 4px; font-size: 1.1rem; }
.custom-strip p { margin: 0; font-size: 0.9rem; }

.mvp-banner {
    position: relative;
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 32px;
    flex-wrap: wrap;
    margin-bottom: 40px;
    padding: 36px 32px 32px;
    border: 1px solid var(--accent-indigo);
    border-radius: var(--radius-lg);
    background: linear-gradient(180deg, var(--accent-indigo-soft), var(--bg-elevated) 55%);
}
.mvp-banner__copy { flex: 1 1 420px; }
.mvp-banner h3 { color: var(--text-primary); font-size: 1.35rem; }
.mvp-banner__desc { max-width: 62ch; }
.mvp-banner__features {
    margin-bottom: 0;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px 24px;
}
.mvp-banner .btn { flex-shrink: 0; }

.support-strip { align-items: flex-start; }
.support-strip__price {
    font-size: 1.35rem;
    margin: 4px 0 10px;
}
.support-strip__features {
    list-style: none;
    margin: 14px 0 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 8px;
}
.support-strip__features li {
    font-size: 0.88rem;
    color: var(--text-muted);
    padding-left: 22px;
    position: relative;
}
.support-strip__features li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--accent-green);
}

.section__subtitle-heading {
    text-align: center;
    color: var(--text-primary);
    font-size: 1.2rem;
    margin: 48px 0 24px;
}

.pay-grid {
    display: grid;
    gap: 20px;
}
.pay-grid--models { grid-template-columns: repeat(2, 1fr); }
.pay-grid--methods { grid-template-columns: repeat(5, 1fr); }
.pay-card {
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 28px;
    transition: border-color 0.2s ease, transform 0.2s ease;
}
.pay-card:hover { border-color: var(--accent-indigo); transform: translateY(-2px); }
.pay-card h3 { color: var(--text-primary); font-size: 1.1rem; }
.pay-card p { font-size: 0.9rem; margin-bottom: 0; }
.pay-card--method { padding: 22px; }
.pay-card--method h3 { font-size: 1rem; }

.garantias { margin-top: 16px; }
.garantias-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 20px;
}
.pagos-cta {
    display: flex;
    justify-content: center;
    margin-top: 40px;
}

/* ---------- contacto ---------- */
.section--contact { text-align: center; }
.contact-box {
    display: flex;
    flex-direction: column;
    align-items: center;
}
.contact-email {
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    margin: 12px 0 32px;
    padding: 18px 32px;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    background: var(--bg-elevated);
    transition: border-color 0.2s ease;
}
.contact-email:hover { border-color: var(--accent-amber); }
.contact-email__label {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    color: var(--text-faint);
    text-transform: uppercase;
    letter-spacing: 0.08em;
}
.contact-email__value {
    font-family: var(--font-mono);
    font-size: 1.05rem;
    color: var(--accent-amber);
}

/* ---------- formulario de contacto ---------- */
.contact-form {
    width: 100%;
    max-width: 520px;
    display: flex;
    flex-direction: column;
    gap: 18px;
    text-align: left;
    margin-top: 8px;
}
.contact-form__row {
    display: flex;
    flex-direction: column;
    gap: 6px;
}
.contact-form__row label {
    font-family: var(--font-mono);
    font-size: 0.78rem;
    color: var(--text-muted);
}
.contact-form__row input,
.contact-form__row textarea {
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: 0.95rem;
    padding: 12px 14px;
    resize: vertical;
}
.contact-form__row input:focus,
.contact-form__row textarea:focus {
    border-color: var(--accent-indigo);
    outline: none;
}
.contact-form__row input.input-validation-error,
.contact-form__row textarea.input-validation-error {
    border-color: #ff6b6b;
}
.contact-form__error {
    color: #ff6b6b;
    font-size: 0.82rem;
}

.alert {
    width: 100%;
    max-width: 520px;
    border-radius: var(--radius-sm);
    padding: 14px 18px;
    font-size: 0.9rem;
    margin-bottom: 20px;
    text-align: left;
}
.alert--success {
    background: rgba(74, 222, 128, 0.1);
    border: 1px solid var(--accent-green);
    color: var(--accent-green);
}
.alert--error {
    background: rgba(255, 107, 107, 0.1);
    border: 1px solid #ff6b6b;
    color: #ff8a8a;
}

.contact-alt {
    margin-top: 22px;
    font-size: 0.88rem;
    color: var(--text-faint);
}
.contact-alt a {
    color: var(--accent-indigo);
    font-family: var(--font-mono);
}

/* ==========================================================================
   Footer
   ========================================================================== */
.footer {
    border-top: 1px solid var(--border-soft);
    padding-block: 40px;
}
.footer__inner {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 8px;
}
.footer__brand { display: flex; align-items: center; gap: 8px; font-family: var(--font-display); font-weight: 600; }
.footer__tagline { max-width: 46ch; font-size: 0.9rem; }
.footer__meta {
    font-family: var(--font-mono);
    font-size: 0.78rem;
    color: var(--text-faint);
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
    justify-content: center;
}
.footer__email { color: var(--accent-indigo); }
.service-card__link {
    display: flex;
    flex-direction: column;
    color: inherit;
    height: 100%;
}
.text-link {
    margin-top: 16px;
    color: var(--accent-indigo);
    font-family: var(--font-mono);
    font-size: 0.82rem;
}
.section-more { text-align: center; margin-top: 36px; }
.page-hero { padding-block: 56px 12px; }
.page-hero .hero__title { max-width: 22ch; }
.crumbs {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    font-family: var(--font-mono);
    font-size: 0.78rem;
    color: var(--text-faint);
    margin-bottom: 18px;
}
.crumbs a { color: var(--accent-indigo); }
.prose { max-width: 72ch; }
.prose h2 { margin-top: 32px; color: var(--text-primary); font-size: 1.35rem; }
.prose h3 { margin-top: 22px; color: var(--text-primary); font-size: 1.1rem; }
.prose ul { color: var(--text-muted); padding-left: 20px; }
.faq-list { max-width: 72ch; display: flex; flex-direction: column; gap: 28px; }
.faq-item h2 { font-size: 1.15rem; color: var(--text-primary); }
.article-meta {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--text-faint);
    margin-bottom: 24px;
}
.footer__nav {
    display: flex;
    flex-wrap: wrap;
    gap: 12px 18px;
    justify-content: center;
    margin: 16px 0 8px;
    font-size: 0.85rem;
}
.footer__nav a { color: var(--text-muted); }
.footer__nav a:hover { color: var(--text-primary); }
.footer__author { font-size: 0.85rem; color: var(--text-faint); }

/* ==========================================================================
   Responsive
   ========================================================================== */
@media (max-width: 1100px) {
    .services-grid,
    .portfolio-grid { grid-template-columns: repeat(2, 1fr); }
    .pay-grid--methods,
    .garantias-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 960px) {
    .hero { grid-template-columns: 1fr; padding-block: 64px 48px; }
    .process { grid-template-columns: repeat(2, 1fr); }
    .pricing-grid { grid-template-columns: 1fr; }
    .mvp-banner__features { grid-template-columns: 1fr; }
    .nav, .topbar__actions .btn--sm { display: none; }
    .nav-toggle { display: flex; }
}

@media (max-width: 600px) {
    .services-grid,
    .portfolio-grid,
    .pay-grid--models,
    .pay-grid--methods,
    .garantias-grid,
    .process { grid-template-columns: 1fr; }
    .custom-strip { flex-direction: column; align-items: flex-start; }
    .topbar__actions .selector-idioma__select { font-size: 0.72rem; }
}