/* PreparaTEC — landing (preparatec.altto.mx). Complementa base.css. */

.hero { min-height: 88svh; display: flex; flex-direction: column; justify-content: center; align-items: center; padding: clamp(70px, 12vh, 120px) var(--pad) 70px; text-align: center; position: relative; overflow: hidden; }
.hero-inner { position: relative; max-width: 980px; }
.eyebrow { color: var(--faint); font-size: 11.5px; letter-spacing: .24em; margin-bottom: clamp(20px, 4vh, 36px); font-family: 'DM Mono', monospace; }
.hero-title-wrap { position: relative; display: inline-block; padding: 14px clamp(6px, 3vw, 40px) 8px; }
.hero h1 { font-size: clamp(34px, 6.4vw, 76px); font-weight: 700; letter-spacing: -.02em; line-height: 1.02; }
.hero h1 em { font-style: normal; color: var(--blue); }
.dim { position: absolute; overflow: visible; }
.dim-top { left: 0; right: 0; top: -22px; width: 100%; height: 34px; }
.dim-side { right: -30px; top: 8%; height: 84%; width: 34px; }
.dim-line, .dim-tick { stroke: var(--line-strong); stroke-width: 1.4; fill: none; }
.dim-line { stroke-dasharray: 1000; stroke-dashoffset: 1000; }
.loaded .dim-line, html:not(.js) .dim-line { animation: dash 1.5s cubic-bezier(.4,0,.2,1) .3s forwards; }
.dim-tick { opacity: 0; }
.loaded .dim-tick, html:not(.js) .dim-tick { animation: fadein .4s ease 1.5s forwards; }
@keyframes dash { to { stroke-dashoffset: 0; } }
@keyframes fadein { to { opacity: 1; } }
.hero-sub { max-width: 64ch; margin: clamp(22px, 4vh, 38px) auto 0; color: var(--muted); font-size: clamp(16px, 1.8vw, 19px); }
.hero-sub strong { color: var(--ink); font-weight: 650; }
.hero-ctas { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; margin-top: clamp(24px, 4vh, 40px); }
.hero-nota { margin-top: 18px; color: var(--faint); font-size: 11.5px; letter-spacing: .14em; font-family: 'DM Mono', monospace; }
.scroll-cue { position: absolute; bottom: 22px; left: 50%; transform: translateX(-50%); color: var(--faint); font-size: 10px; letter-spacing: .3em; display: flex; flex-direction: column; align-items: center; gap: 10px; font-family: 'DM Mono', monospace; }
.scroll-cue:hover { color: var(--muted); text-decoration: none; }
.cue-line { width: 1.5px; height: 40px; background: var(--line-strong); position: relative; overflow: hidden; display: block; }
.cue-line::after { content: ''; position: absolute; top: -50%; left: 0; width: 100%; height: 50%; background: var(--blue); animation: cuedrop 1.8s cubic-bezier(.5,0,.5,1) infinite; }
@keyframes cuedrop { to { top: 110%; } }

.stats-wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 var(--pad) clamp(40px, 7vh, 70px); }

/* examen */
.examen-grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: clamp(24px, 4vw, 56px); align-items: start; }
.examen-notas { list-style: none; }
.examen-notas li { padding: 10px 0; border-bottom: 1px dashed var(--line); font-size: 14.5px; color: var(--muted); display: flex; gap: 12px; }
.examen-notas li::before { content: '—'; color: var(--blue); font-family: 'DM Mono', monospace; }
.lead { font-family: 'Fraunces', serif; font-size: clamp(19px, 2.3vw, 25px); line-height: 1.42; font-weight: 470; }
.lead em { font-style: normal; color: var(--blue); font-weight: 640; }

/* cómo funciona */
.pasos { list-style: none; display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; counter-reset: paso; }
.pasos li { padding: 20px 20px 22px; counter-increment: paso; position: relative; }
.pasos li::before { content: counter(paso, decimal-leading-zero); display: block; font-family: 'DM Mono', monospace; font-size: 11px; color: var(--blue); letter-spacing: .2em; margin-bottom: 12px; }
.pasos h3 { font-size: 19px; margin-bottom: 8px; }
.pasos p { color: var(--muted); font-size: 14px; }

/* contenido */
.secciones-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.seccion-card { padding: 22px; }
.seccion-card h3 { font-size: 22px; margin-bottom: 4px; }
.seccion-card .meta { font-family: 'DM Mono', monospace; font-size: 11px; letter-spacing: .16em; color: var(--faint); margin-bottom: 14px; }
.seccion-card ul { list-style: none; }
.seccion-card li { padding: 8px 0; border-bottom: 1px dashed var(--line); font-size: 14px; display: flex; justify-content: space-between; gap: 10px; }
.seccion-card li span:last-child { font-family: 'DM Mono', monospace; color: var(--faint); font-size: 11px; white-space: nowrap; }

/* planes */
.planes-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; max-width: 900px; }
.plan { padding: 26px 26px 28px; display: flex; flex-direction: column; gap: 14px; }
.plan.pro { border-color: var(--blue); box-shadow: inset 0 3px var(--blue); }
.plan h3 { font-size: 26px; }
.plan .precio { font-family: 'DM Mono', monospace; font-size: 40px; color: var(--blue); line-height: 1; }
.plan .precio small { font-size: 13px; color: var(--faint); letter-spacing: .1em; margin-left: 6px; }
.plan .pago { color: var(--muted); font-size: 13.5px; }
.plan ul { list-style: none; flex: 1; }
.plan li { padding: 8px 0; border-bottom: 1px dashed var(--line); font-size: 14.5px; display: flex; gap: 10px; }
.plan li::before { content: '✓'; color: var(--blue); font-family: 'DM Mono', monospace; flex-shrink: 0; }

/* guías */
.guias-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.guia-card { padding: 18px 20px; }
.guia-card h3 { font-size: 17px; }
.guia-card .cat { font-family: 'DM Mono', monospace; font-size: 10.5px; letter-spacing: .2em; color: var(--blue); text-transform: uppercase; }
.guia-card p { font-size: 13.5px; }
.guia-card a.mas { font-family: 'DM Mono', monospace; font-size: 11px; letter-spacing: .16em; margin-top: auto; }
.guia-page { display: grid; grid-template-columns: 240px 1fr; gap: clamp(24px, 4vw, 56px); align-items: start; }
.guia-nav { position: sticky; top: 80px; }
.guia-nav a { display: block; padding: 7px 0; font-size: 13.5px; color: var(--muted); border-bottom: 1px dashed var(--line); }
.guia-nav a.activa, .guia-nav a:hover { color: var(--blue); text-decoration: none; }
.guia-nav .cat { font-family: 'DM Mono', monospace; font-size: 10px; letter-spacing: .22em; color: var(--faint); margin: 16px 0 4px; text-transform: uppercase; }
.guia-meta { font-family: 'DM Mono', monospace; font-size: 11px; letter-spacing: .16em; color: var(--faint); margin-bottom: 18px; }

/* faq */
.faq { max-width: 820px; }
.faq details { border-bottom: 1px solid var(--line); padding: 4px 0; }
.faq summary { cursor: pointer; padding: 14px 0; font-family: 'Space Grotesk', sans-serif; font-weight: 600; font-size: 17px; list-style: none; display: flex; justify-content: space-between; gap: 12px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: '+'; font-family: 'DM Mono', monospace; color: var(--blue); }
.faq details[open] summary::after { content: '−'; }
.faq .resp { color: var(--muted); padding: 0 0 16px; font-size: 15px; max-width: 70ch; }
.faq .resp a { text-decoration: underline; }

/* cta final */
.cta-final { text-align: center; padding: clamp(40px, 8vh, 80px) var(--pad); }
.cta-final h2 { font-size: clamp(26px, 4vw, 44px); margin-bottom: 14px; }
.cta-final p { color: var(--muted); max-width: 56ch; margin: 0 auto 24px; }

.disclaimer { color: var(--faint); font-size: 12.5px; max-width: 80ch; line-height: 1.6; }

@media (max-width: 980px) {
  .examen-grid, .planes-grid { grid-template-columns: 1fr; }
  .pasos { grid-template-columns: 1fr 1fr; }
  .secciones-grid, .guias-grid { grid-template-columns: 1fr 1fr; }
  .guia-page { grid-template-columns: 1fr; }
  .guia-nav { position: static; }
}
@media (max-width: 640px) {
  .hero { min-height: 82svh; padding-top: 70px; }
  .dim-side { display: none; }
  .dim-top { top: -14px; }
  .pasos, .secciones-grid, .guias-grid { grid-template-columns: 1fr; }
  .cue-txt { display: none; }
}
@media (prefers-reduced-motion: reduce) {
  .dim-line { stroke-dashoffset: 0; animation: none !important; }
  .dim-tick { opacity: 1; animation: none !important; }
  .cue-line::after { animation: none; }
}