/* =============================================================
   Clarions — academia / centro de estudios · Alcora
   Arquetipo: Magazine editorial (adaptado a landing de una página)
   ============================================================= */

/* =============================================================
   1. Tokens
   ============================================================= */
:root {
  --bg:        #f6f2ea;   /* papel cálido */
  --bg-2:      #ede6d8;
  --paper:     #fffdf8;
  --ink:       #1c1b18;
  --ink-soft:  #3a3731;
  --ink-mute:  #6f695f;
  --accent:    #22504a;   /* verde pizarra — confianza, calma */
  --accent-2:  #183a35;
  --warm:      #b06a2c;   /* ocre — calidez, solo detalles */
  --line:      rgba(28,27,24,.16);
  --line-strong: #1c1b18;
  --wa:        #1f7a4d;

  --display: "Newsreader", "Iowan Old Style", Georgia, serif;
  --serif:   "Source Serif 4", Georgia, serif;
  --sans:    "Manrope", system-ui, -apple-system, "Segoe UI", sans-serif;

  --container: 1200px;
  --gutter: clamp(1rem, 4vw, 2.5rem);
  --nav-h: 72px;

  --ease-out:  cubic-bezier(0.16, 1, 0.3, 1);
  --ease-soft: cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

/* =============================================================
   2. Reset & base
   ============================================================= */
*, *::before, *::after { box-sizing: border-box; margin: 0; }
html {
  -webkit-text-size-adjust: 100%;
  overflow-x: clip;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--nav-h) + 12px);
}
body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--serif);
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: clip;
}
img, svg, video { display: block; max-width: 100%; }
img { height: auto; }
button { font: inherit; color: inherit; cursor: pointer; border: 0; background: none; }
a { color: inherit; text-decoration: none; }
p { text-wrap: pretty; }
h1, h2, h3, h4 { text-wrap: balance; line-height: 1.05; letter-spacing: -0.015em; font-weight: 500; }
::selection { background: var(--accent); color: var(--paper); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 4px; }

/* =============================================================
   3. Utilities
   ============================================================= */
.container { width: 100%; max-width: var(--container); margin-inline: auto; padding-inline: var(--gutter); }
.skip-link {
  position: fixed; top: -100px; left: 1rem; z-index: 9999;
  padding: .6rem 1rem; background: var(--ink); color: var(--paper);
  border-radius: 8px; font-family: var(--sans); font-weight: 600;
}
.skip-link:focus { top: 1rem; }
.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

/* =============================================================
   4. Typography
   ============================================================= */
.kicker {
  font-family: var(--sans); font-weight: 600; font-size: .78rem;
  letter-spacing: .14em; text-transform: uppercase; color: var(--ink-mute);
  display: flex; align-items: center; gap: .9rem;
  padding-top: 1rem; border-top: 1px solid var(--line-strong);
}
.kicker-num { color: var(--accent); }
.section-title {
  font-family: var(--display);
  font-size: clamp(2.2rem, 5.2vw, 4rem);
  margin-top: 1.4rem; max-width: 18ch;
}
.section-title em, .hero-title em { font-style: italic; color: var(--accent); }
.section-sub { margin-top: 1rem; color: var(--ink-soft); max-width: 52ch; }

.link {
  color: var(--accent);
  background-image: linear-gradient(currentColor, currentColor);
  background-size: 100% 1px; background-position: 0 100%; background-repeat: no-repeat;
  transition: background-size .45s var(--ease-out);
  padding-bottom: 1px;
}
.link:hover { background-size: 0% 1px; background-position: 100% 100%; }

/* Marcas de borrador visibles */
.draft-note, .placeholder-inline {
  font-family: var(--sans); font-size: .76rem; font-weight: 600; letter-spacing: .04em;
  color: var(--warm);
}
.draft-note { margin-top: 1rem; }
/* Web publicada: notas internas de borrador ocultas (siguen en el HTML para editarlas) */
.draft-note, .placeholder-inline { display: none; }
.form-intro { font-size: .95rem; color: var(--ink-soft); }
.placeholder-inline { margin-top: .75rem; }

/* =============================================================
   5. Components
   ============================================================= */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .6rem;
  min-height: 52px; padding: .8rem 1.5rem; border-radius: 999px;
  font-family: var(--sans); font-weight: 600; font-size: .95rem; letter-spacing: .01em;
  transition: transform .35s var(--ease-out), background-color .3s var(--ease-soft), color .3s var(--ease-soft), border-color .3s var(--ease-soft), box-shadow .35s var(--ease-out);
}
.btn:hover { transform: translateY(-2px); }
.btn-primary { background: var(--accent); color: var(--paper); box-shadow: 0 10px 24px -14px rgba(34,80,74,.7); }
.btn-primary:hover { background: var(--accent-2); box-shadow: 0 16px 30px -14px rgba(34,80,74,.75); }
.btn-ghost { border: 1px solid var(--line-strong); color: var(--ink); }
.btn-ghost:hover { background: var(--ink); color: var(--paper); }
.btn-whatsapp { background: var(--wa); color: #fff; }
.btn-whatsapp:hover { background: #17633e; }
.btn-small { min-height: 42px; padding: .5rem 1.1rem; font-size: .85rem; }
.btn-note {
  font-weight: 500; font-size: .74rem; opacity: .8;
  padding-left: .6rem; border-left: 1px solid rgba(255,253,248,.35);
}

/* Placeholders de imagen */
.ph {
  position: relative; display: grid; place-items: center;
  background:
    repeating-linear-gradient(135deg, transparent 0 14px, rgba(28,27,24,.035) 14px 15px),
    linear-gradient(160deg, #e7dfcf, #d9cfbb);
  border: 1px solid var(--line);
  overflow: hidden;
}
.ph-label {
  max-width: 30ch; padding: 1rem; text-align: center;
  font-family: var(--sans); font-size: .78rem; font-weight: 600; line-height: 1.5;
  color: var(--ink-mute); letter-spacing: .02em;
}
.ph-portrait { aspect-ratio: 4 / 5; }
.ph-wide { aspect-ratio: 16 / 9; }
.ph-map { aspect-ratio: 16 / 10; border-radius: 4px; }

/* Fotos: el marco recorta, la imagen se desplaza dentro (parallax) */
.photo { position: relative; overflow: hidden; background: var(--bg-2); }
.photo img {
  width: 100%; height: calc(100% + 40px); margin-top: -20px;
  object-fit: cover; filter: saturate(.92) sepia(.06);
}
.photo-portrait { aspect-ratio: 4 / 5; }
.photo-wide { aspect-ratio: 16 / 9; }
.course-feature .photo { margin-bottom: 1.6rem; }

/* =============================================================
   6. Sections
   ============================================================= */

/* --- progress --- */
.progress { position: fixed; inset: 0 0 auto 0; height: 2px; z-index: 60; pointer-events: none; }
.progress span { display: block; height: 100%; width: 100%; background: var(--accent); transform-origin: 0 50%; transform: scaleX(0); }

/* --- nav --- */
.nav {
  position: sticky; top: 0; z-index: 50; height: var(--nav-h);
  background: rgba(246,242,234,.82);
  border-bottom: 1px solid transparent;
  transition: border-color .3s var(--ease-soft), background-color .3s var(--ease-soft);
}
@supports (backdrop-filter: blur(10px)) {
  .nav { backdrop-filter: blur(10px) saturate(140%); -webkit-backdrop-filter: blur(10px) saturate(140%); }
}
.nav.is-scrolled { border-color: var(--line); background: rgba(246,242,234,.94); }
.nav-inner { height: 100%; display: flex; align-items: center; justify-content: space-between; gap: 1.5rem; }
.brand { display: flex; align-items: center; gap: .65rem; }
.brand-mark {
  width: 36px; height: 36px; border-radius: 50%; display: grid; place-items: center;
  background: var(--accent); color: var(--paper);
  font-family: var(--display); font-style: italic; font-size: 1.25rem; line-height: 1;
}
.brand-name { font-family: var(--display); font-size: 1.45rem; letter-spacing: -.01em; }
.nav-links { display: none; gap: 2rem; font-family: var(--sans); font-size: .88rem; font-weight: 500; }
.nav-links a { position: relative; color: var(--ink-soft); padding-block: .3rem; }
.nav-links a::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 1px; background: var(--accent);
  transform: scaleX(0); transform-origin: right; transition: transform .45s var(--ease-out);
}
.nav-links a:hover { color: var(--ink); }
.nav-links a:hover::after, .nav-links a.is-active::after { transform: scaleX(1); transform-origin: left; }
.nav-cta { display: none; }

/* --- hero --- */
.hero { padding-block: clamp(2rem, 5vw, 4rem) clamp(3.5rem, 8vw, 6.5rem); }
.hero-meta {
  display: flex; align-items: center; gap: .9rem; flex-wrap: wrap;
  font-family: var(--sans); font-size: .75rem; font-weight: 600; letter-spacing: .14em; text-transform: uppercase;
  color: var(--ink-mute);
  padding-bottom: 1rem; border-bottom: 1px solid var(--line-strong);
}
.hero-meta-sep { width: 28px; height: 1px; background: var(--ink-mute); }
.hero-grid { display: grid; gap: 2.5rem; margin-top: clamp(2rem, 5vw, 3.5rem); }
.hero-title {
  font-family: var(--display);
  font-size: clamp(2.7rem, 7.4vw, 5.9rem);
  line-height: .98; letter-spacing: -.025em;
  max-width: 13ch;
}
.hero-title em { display: inline; }
.hero-sub { margin-top: 1.6rem; font-size: clamp(1.05rem, 1.6vw, 1.22rem); color: var(--ink-soft); max-width: 46ch; }
.hero-actions { display: flex; flex-wrap: wrap; gap: .8rem; margin-top: 2.2rem; }
.hero-foot {
  margin-top: 2.2rem; max-width: 42ch; padding-left: 1rem; border-left: 2px solid var(--warm);
  font-style: italic; color: var(--ink-mute); font-size: .98rem;
}
.hero-figure figcaption, .course-feature figcaption {
  margin-top: .7rem; font-style: italic; font-size: .88rem; color: var(--ink-mute);
}

/* --- generic section --- */
.section { padding-block: clamp(4rem, 10vw, 8rem); }
.section-head { margin-bottom: clamp(2.5rem, 6vw, 4.5rem); }

/* --- courses --- */
.courses { background: var(--paper); border-block: 1px solid var(--line); }
.courses-layout { display: grid; gap: 0; border-top: 1px solid var(--line-strong); }
.course { padding-block: 2rem; border-bottom: 1px solid var(--line); }
.course h3 { font-family: var(--display); font-size: clamp(1.55rem, 2.6vw, 2.1rem); margin-bottom: .75rem; }
.course p { color: var(--ink-soft); max-width: 48ch; }
.course-num {
  display: block; margin-bottom: .6rem;
  font-family: var(--display); font-style: italic; font-size: 1.05rem; color: var(--warm);
}
.course-feature .ph { margin-bottom: 1.6rem; }
.course-feature h3 { font-size: clamp(2rem, 4vw, 3.1rem); }
.course-feature p { font-size: 1.1rem; }
.course-pair { display: grid; gap: 2rem; }
.formats {
  margin-block: 2rem 0; padding: 2rem; background: var(--accent); color: var(--paper);
  border-radius: 2px; display: grid; gap: 1.6rem; align-content: start;
}
.formats-kicker {
  font-family: var(--sans); font-weight: 600; font-size: .75rem; letter-spacing: .14em; text-transform: uppercase;
  opacity: .75; padding-bottom: .9rem; border-bottom: 1px solid rgba(255,253,248,.3);
}
.format h3 { font-family: var(--display); font-style: italic; font-size: 1.7rem; margin-bottom: .4rem; }
.format p { opacity: .88; }
.format + .format { padding-top: 1.6rem; border-top: 1px solid rgba(255,253,248,.2); }
.formats .placeholder-inline { color: #f0c493; opacity: 1; }
.courses-cta { margin-top: 3rem; font-size: 1.1rem; color: var(--ink-soft); }

/* --- why --- */
.why-intro { display: grid; gap: 2.5rem; margin-bottom: clamp(3rem, 7vw, 5rem); }
.lede { font-size: clamp(1.15rem, 1.9vw, 1.38rem); line-height: 1.6; color: var(--ink-soft); max-width: 60ch; }
.dropcap {
  float: left; font-family: var(--display); font-style: italic; color: var(--accent);
  font-size: 5.4em; line-height: .78; margin: .08em .1em 0 -.03em;
}
.pullquote {
  position: relative; padding-top: 2.6rem; border-top: 1px solid var(--line-strong);
  font-family: var(--display); font-style: italic;
  font-size: clamp(1.6rem, 3.2vw, 2.4rem); line-height: 1.15; color: var(--ink);
}
.pullquote::before {
  content: "“"; position: absolute; top: -.1rem; left: 0;
  font-size: 4.5rem; line-height: 1; color: var(--warm); font-style: normal;
}
.reasons { list-style: none; padding: 0; display: grid; border-top: 1px solid var(--line-strong); }
.reason {
  display: grid; grid-template-columns: 3rem 1fr; column-gap: 1rem; row-gap: .4rem;
  padding-block: 1.8rem; border-bottom: 1px solid var(--line);
}
.reason-num { grid-row: span 2; font-family: var(--sans); font-weight: 700; font-size: .8rem; color: var(--accent); padding-top: .45rem; letter-spacing: .08em; }
.reason h3 { font-family: var(--display); font-size: clamp(1.35rem, 2.2vw, 1.7rem); }
.reason p { color: var(--ink-soft); max-width: 46ch; }

/* --- testimonials --- */
.testimonials { background: var(--bg-2); }
.sample-warning {
  margin-bottom: 2.5rem; padding: 1rem 1.25rem;
  border: 1.5px dashed var(--warm); background: rgba(176,106,44,.08);
  font-family: var(--sans); font-size: .88rem; color: #6b3f17; line-height: 1.55;
}
.sample-warning strong { display: block; margin-bottom: .2rem; }
.quotes { display: grid; gap: 1.5rem; }
.quote {
  background: var(--paper); padding: 2rem; border: 1px solid var(--line);
  display: flex; flex-direction: column; gap: 1.2rem;
  transition: transform .45s var(--ease-out), box-shadow .45s var(--ease-out);
}
.quote:hover { transform: translateY(-4px); box-shadow: 0 24px 40px -28px rgba(28,27,24,.35); }
.sample-tag {
  align-self: flex-start; padding: .25rem .55rem; border-radius: 3px;
  background: var(--warm); color: #fff;
  font-family: var(--sans); font-weight: 700; font-size: .7rem; letter-spacing: .08em;
}
.quote blockquote p { font-family: var(--display); font-size: 1.3rem; line-height: 1.35; }
.quote-main blockquote p { font-size: clamp(1.6rem, 3vw, 2.3rem); line-height: 1.2; font-style: italic; }
.quote figcaption { margin-top: auto; font-family: var(--sans); font-size: .82rem; font-weight: 600; color: var(--ink-mute); }
.quote figcaption span { color: var(--warm); }

/* --- contact --- */
.contact-grid { display: grid; gap: 3rem; }
.contact-actions { display: flex; flex-wrap: wrap; gap: .8rem; }
.contact-list { margin-top: 2.2rem; border-top: 1px solid var(--line-strong); }
.contact-list > div {
  display: grid; grid-template-columns: minmax(8rem, 11rem) 1fr; gap: 1rem;
  padding-block: 1rem; border-bottom: 1px solid var(--line);
}
.contact-list dt { font-family: var(--sans); font-size: .75rem; font-weight: 600; letter-spacing: .12em; text-transform: uppercase; color: var(--ink-mute); padding-top: .2rem; }
.contact-list dd { margin: 0; }
.map { margin-top: 2.2rem; }
.muted { color: var(--ink-mute); font-size: .92em; }
.map-frame {
  position: relative; aspect-ratio: 16 / 10; border: 1px solid var(--line); border-radius: 4px; overflow: hidden;
  background:
    repeating-linear-gradient(0deg, transparent 0 38px, rgba(34,80,74,.07) 38px 39px),
    repeating-linear-gradient(90deg, transparent 0 38px, rgba(34,80,74,.07) 38px 39px),
    var(--bg-2);
}
.map-frame iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }
.map-card {
  position: absolute; inset: 0; display: grid; place-content: center; justify-items: center; gap: .8rem;
  padding: 1rem; text-align: center;
}
.map-pin {
  width: 22px; height: 22px; border-radius: 50% 50% 50% 0; transform: rotate(-45deg);
  background: var(--accent); box-shadow: 0 0 0 6px rgba(34,80,74,.15);
}
.map-addr { font-size: .98rem; }
.map-note { font-family: var(--sans); font-size: .72rem; color: var(--ink-mute); }
.map-link { display: inline-block; margin-top: .8rem; font-family: var(--sans); font-size: .9rem; font-weight: 600; }

.form {
  background: var(--paper); border: 1px solid var(--line); padding: clamp(1.5rem, 4vw, 2.5rem);
  display: grid; gap: 1.3rem; align-content: start;
}
.field { display: grid; gap: .45rem; border: 0; padding: 0; min-width: 0; }
.field label, .field legend {
  font-family: var(--sans); font-size: .82rem; font-weight: 600; color: var(--ink-soft);
}
.field legend { margin-bottom: .55rem; padding: 0; }
.optional { font-weight: 500; color: var(--ink-mute); }
.field input, .field textarea {
  width: 100%; padding: .85rem 1rem; font: inherit; font-size: 1rem; color: var(--ink);
  background: var(--bg); border: 1px solid var(--line); border-radius: 4px;
  transition: border-color .25s var(--ease-soft), background-color .25s var(--ease-soft);
}
.field input:focus, .field textarea:focus { outline: none; border-color: var(--accent); background: var(--paper); }
.field textarea { resize: vertical; min-height: 7rem; }
.field input::placeholder, .field textarea::placeholder { color: #9b9488; }
.field.is-invalid input, .field.is-invalid .choices { border-color: #a3402a; }
.choices { display: flex; flex-wrap: wrap; gap: .5rem; border: 1px solid transparent; border-radius: 6px; }
.choice { position: relative; cursor: pointer; }
.choice input { position: absolute; opacity: 0; pointer-events: none; }
.choice span {
  display: inline-block; padding: .55rem .95rem; border-radius: 999px;
  border: 1px solid var(--line-strong); font-family: var(--sans); font-size: .86rem; font-weight: 500;
  transition: background-color .25s var(--ease-soft), color .25s var(--ease-soft);
}
.choice:hover span { background: var(--bg-2); }
.choice input:checked + span { background: var(--accent); border-color: var(--accent); color: var(--paper); }
.choice input:focus-visible + span { outline: 2px solid var(--accent); outline-offset: 2px; }
.consent { display: flex; gap: .7rem; align-items: flex-start; font-size: .92rem; color: var(--ink-soft); cursor: pointer; }
.consent input { width: 18px; height: 18px; margin-top: .2rem; accent-color: var(--accent); flex-shrink: 0; }
.consent.is-invalid { color: #a3402a; }
.btn-submit { justify-self: start; }
.form-status { font-family: var(--sans); font-size: .88rem; font-weight: 500; min-height: 1.4em; }
.form-status.is-error { color: #a3402a; }
.form-status.is-ok { color: var(--accent); }

/* --- footer --- */
.footer { background: var(--ink); color: rgba(255,253,248,.82); padding-block: 3rem calc(3rem + 64px); }
.footer-inner { display: grid; gap: 1.6rem; }
.footer-brand { font-family: var(--display); font-size: 1.8rem; color: var(--paper); }
.footer-sub { font-family: var(--sans); font-size: .82rem; opacity: .7; margin-top: .3rem; }
.footer-links { display: flex; flex-wrap: wrap; gap: 1.2rem; font-family: var(--sans); font-size: .82rem; }
.footer-links a:hover { color: var(--paper); text-decoration: underline; }
.footer-copy { font-family: var(--sans); font-size: .8rem; opacity: .6; }

/* --- mobile bar --- */
.mobile-bar {
  position: fixed; inset: auto 0 0 0; z-index: 55;
  display: grid; grid-template-columns: repeat(3, 1fr);
  background: var(--paper); border-top: 1px solid var(--line);
  padding-bottom: env(safe-area-inset-bottom);
}
.mobile-bar a {
  display: grid; place-items: center; min-height: 56px;
  font-family: var(--sans); font-weight: 600; font-size: .88rem;
}
.mobile-bar a:first-child { background: var(--wa); color: #fff; }
.mobile-bar a + a { border-left: 1px solid var(--line); }

/* =============================================================
   7. Effects
   ============================================================= */
.js .reveal { opacity: 0; transform: translateY(24px); transition: opacity .9s var(--ease-out), transform .9s var(--ease-out); animation: revealSafety .01s 8s forwards; }
.js .reveal.is-visible { opacity: 1; transform: none; animation: none; }
@keyframes revealSafety { to { opacity: 1; transform: none; } }
.hero-in { animation: heroIn .8s var(--ease-out) both; }
.hero-sub.hero-in { animation-delay: .08s; }
.hero-actions.hero-in { animation-delay: .16s; }
.hero-foot.hero-in { animation-delay: .24s; }
.hero-figure.hero-in { animation-delay: .12s; }
@keyframes heroIn { from { opacity: 0; transform: translateY(16px); } to { opacity: 1; transform: none; } }
.reveal[data-split] { opacity: 1; transform: none; }
[data-parallax] { will-change: transform; }

/* =============================================================
   8. Responsive
   ============================================================= */
@media (min-width: 720px) {
  .course-pair { grid-template-columns: 1fr 1fr; gap: 3rem; }
  .quotes { grid-template-columns: 1fr 1fr; }
  .quote-main { grid-column: 1 / -1; }
  .reasons { grid-template-columns: 1fr 1fr; column-gap: 3rem; }
  .reason:last-child { grid-column: 1 / -1; }
  .footer-inner { grid-template-columns: 1fr auto; align-items: end; }
  .footer-copy { grid-column: 1 / -1; }
}

@media (min-width: 960px) {
  .nav-links { display: flex; }
  .nav-cta { display: inline-flex; }
  .mobile-bar { display: none; }
  .footer { padding-bottom: 3rem; }

  .hero-grid { grid-template-columns: 1.25fr .75fr; gap: 4rem; align-items: end; }

  .courses-layout {
    grid-template-columns: repeat(12, 1fr);
    column-gap: 3rem;
  }
  .course-feature { grid-column: 1 / 8; grid-row: 1 / 3; border-right: 0; padding-right: 0; }
  .courses-layout > .course:nth-of-type(2) { grid-column: 8 / -1; grid-row: 1; }
  .courses-layout > .course:nth-of-type(3) { grid-column: 8 / -1; grid-row: 2; }
  .course-wide { grid-column: 1 / 9; grid-row: 3; }
  .formats { grid-column: 9 / -1; grid-row: 3; margin-block: 2rem; }

  .why-intro { grid-template-columns: 1.4fr 1fr; gap: 4rem; align-items: end; }
  .reasons { grid-template-columns: repeat(3, 1fr); }
  .reason:last-child { grid-column: auto; }
  .reason:nth-child(4) { grid-column: 1 / 3; }

  .quotes { grid-template-columns: 1.3fr 1fr; grid-template-rows: auto auto; }
  .quote-main { grid-column: 1; grid-row: 1 / 3; justify-content: center; padding: 3rem; }

  .contact-grid { grid-template-columns: 1fr 1fr; gap: 4rem; align-items: start; }
}

@media (min-width: 1280px) {
  .hero-title { font-size: 6.2rem; }
}

/* =============================================================
   9. Reduced motion — solo efectos intrusivos
   ============================================================= */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  [data-parallax] { transform: none !important; }
}