/*
Theme Name: SRUS — Del problema al modelo
Theme URI: https://srus.cl/
Author: Sebastián Rus
Description: Tema personal minimalista para srus.cl. Una portada profesional, notas y artículos, con una identidad visual inspirada en perspectiva arquitectónica.
Version: 1.0.0
Requires at least: 6.4
Tested up to: 6.6
Requires PHP: 7.4
License: GNU General Public License v2 or later
License URI: https://www.gnu.org/licenses/gpl-2.0.html
Text Domain: srus-minimal
Tags: block-patterns, full-site-editing, portfolio, blog, one-column, custom-logo, featured-images
*/

:root {
  --srus-ink: #071d3a;
  --srus-blue: #0f5aa6;
  --srus-blue-soft: #dceafb;
  --srus-text: #24364b;
  --srus-muted: #66768a;
  --srus-line: #dbe3eb;
  --srus-paper: #fbfbf9;
  --srus-warm: #f7f4ef;
  --srus-white: #ffffff;
}

html { scroll-behavior: smooth; }
body { margin: 0; }
a { text-underline-offset: .18em; }

.srus-shell {
  max-width: 1120px;
  margin-inline: auto;
  padding-inline: clamp(20px, 4vw, 48px);
}

.srus-header {
  position: relative;
  z-index: 20;
  border-bottom: 1px solid rgba(219, 227, 235, .72);
  background: rgba(255,255,255,.92);
  backdrop-filter: blur(10px);
}

.srus-header-inner {
  min-height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}

.srus-brand a {
  color: var(--srus-ink);
  text-decoration: none;
  letter-spacing: .08em;
  font-weight: 750;
  font-size: 1.12rem;
}

.srus-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 26px;
  font-size: .95rem;
}

.srus-nav a {
  color: var(--srus-ink);
  text-decoration: none;
  font-weight: 600;
}
.srus-nav a:hover { color: var(--srus-blue); }

.srus-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  border-bottom: 1px solid var(--srus-line);
  background:
    linear-gradient(90deg, rgba(255,255,255,.98) 0%, rgba(255,255,255,.94) 42%, rgba(255,255,255,.72) 68%, rgba(255,255,255,.86) 100%),
    var(--srus-white);
}

.srus-hero::before {
  content: "";
  position: absolute;
  inset: -20% -8% -18% 25%;
  z-index: -2;
  opacity: .43;
  background-image:
    repeating-linear-gradient(8deg, transparent 0 43px, rgba(15,90,166,.13) 44px, transparent 45px),
    repeating-linear-gradient(90deg, transparent 0 89px, rgba(15,90,166,.08) 90px, transparent 91px);
  transform: perspective(750px) rotateY(-25deg) rotateX(5deg) skewY(-4deg);
  transform-origin: 70% 50%;
}

.srus-hero::after {
  content: "";
  position: absolute;
  left: 49%;
  top: 47%;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: rgba(15,90,166,.36);
  box-shadow:
    -360px -120px 0 -2px rgba(15,90,166,.20),
    270px -185px 0 -2px rgba(15,90,166,.20),
    360px 125px 0 -2px rgba(15,90,166,.18);
  z-index: -1;
}

.srus-hero-grid {
  min-height: 540px;
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(280px, .8fr);
  align-items: end;
  gap: clamp(36px, 5vw, 72px);
  padding-top: clamp(70px, 9vw, 122px);
}

.srus-hero-copy {
  align-self: center;
  padding-bottom: clamp(68px, 8vw, 96px);
}

.srus-kicker {
  margin: 0 0 14px;
  color: var(--srus-blue);
  text-transform: uppercase;
  letter-spacing: .12em;
  font-size: .75rem;
  font-weight: 700;
}

.srus-hero-title {
  margin: 0;
  max-width: 780px;
  color: var(--srus-ink);
  font-size: clamp(3.25rem, 7.2vw, 6.9rem);
  line-height: .94;
  letter-spacing: -.055em;
  font-weight: 760;
}

.srus-hero-subtitle {
  margin: 26px 0 0;
  max-width: 690px;
  color: var(--srus-blue);
  font-size: clamp(1.22rem, 2.2vw, 1.75rem);
  line-height: 1.25;
  font-weight: 590;
}

.srus-hero-intro {
  margin: 22px 0 0;
  max-width: 620px;
  color: var(--srus-text);
  font-size: 1.03rem;
  line-height: 1.72;
}

.srus-actions { margin-top: 30px; display: flex; gap: 14px; flex-wrap: wrap; }
.srus-actions .wp-block-button__link {
  border-radius: 3px;
  padding: .86rem 1.15rem;
  font-weight: 650;
  box-shadow: none;
}
.srus-actions .is-style-outline .wp-block-button__link {
  background: rgba(255,255,255,.62);
  border-color: rgba(15,90,166,.35);
  color: var(--srus-blue);
}

.srus-portrait-wrap {
  align-self: end;
  justify-self: end;
  width: min(100%, 390px);
  margin: 0;
}
.srus-portrait-wrap img {
  display: block;
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  object-position: 50% 26%;
  filter: saturate(.92) contrast(1.01);
  border-radius: 10px 10px 0 0;
  box-shadow: 0 18px 45px rgba(7,29,58,.11);
}

.srus-section {
  padding-block: clamp(72px, 9vw, 116px);
}
.srus-section + .srus-section { border-top: 1px solid var(--srus-line); }
.srus-section-title {
  margin: 0 0 28px;
  color: var(--srus-ink);
  font-size: clamp(2rem, 4vw, 3.15rem);
  line-height: 1.05;
  letter-spacing: -.035em;
}

.srus-about-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(32px, 6vw, 74px);
  color: var(--srus-text);
}
.srus-about-grid p { margin-top: 0; line-height: 1.75; }

.srus-credentials {
  margin-top: 34px;
  padding-top: 24px;
  border-top: 1px solid var(--srus-line);
  display: flex;
  gap: 12px 20px;
  flex-wrap: wrap;
  color: var(--srus-muted);
  font-size: .93rem;
}
.srus-credentials span:not(:last-child)::after {
  content: "·";
  margin-left: 20px;
  color: #a6b2bf;
}

.srus-model-section {
  background: linear-gradient(180deg, #fcfbf8 0%, #f8f6f1 100%);
}
.srus-model-inner { text-align: center; }
.srus-flow {
  margin: 42px auto 0;
  display: grid;
  grid-template-columns: repeat(11, auto);
  align-items: center;
  justify-content: center;
  gap: clamp(8px, 1.4vw, 19px);
}
.srus-step { min-width: 86px; }
.srus-cube {
  width: 58px;
  height: 58px;
  margin: 0 auto 12px;
  position: relative;
  border: 1px solid rgba(7,29,58,.5);
  transform: rotate(30deg) skewY(-4deg) scale(.82);
  background: rgba(255,255,255,.38);
}
.srus-cube::before,
.srus-cube::after {
  content: "";
  position: absolute;
  inset: 11px;
  border: 1px solid rgba(15,90,166,.35);
}
.srus-cube::after { inset: 24px; background: rgba(15,90,166,.70); border-radius: 50%; }
.srus-step .srus-cube::after { background: transparent; border-radius: 0; }
.srus-step.srus-decision .srus-cube::after { background: rgba(15,90,166,.70); border-radius: 50%; }
.srus-step-label { color: var(--srus-ink); font-size: .89rem; font-weight: 650; }
.srus-arrow { color: var(--srus-blue); opacity: .66; font-size: 1.25rem; }

.srus-quote {
  max-width: 700px;
  margin: 44px auto 0;
  padding: 24px 30px;
  color: var(--srus-text);
  font-size: clamp(1.08rem, 2vw, 1.35rem);
  line-height: 1.55;
  font-style: italic;
  border-left: 0;
  position: relative;
}
.srus-quote::before,
.srus-quote::after {
  content: "";
  position: absolute;
  width: 20px;
  height: 20px;
  border-color: rgba(15,90,166,.44);
}
.srus-quote::before { left: 0; top: 0; border-left: 1px solid; border-top: 1px solid; }
.srus-quote::after { right: 0; bottom: 0; border-right: 1px solid; border-bottom: 1px solid; }

.srus-notes-grid ul.wp-block-post-template {
  display: grid !important;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}
.srus-note-card {
  height: 100%;
  box-sizing: border-box;
  padding: 24px;
  border: 1px solid var(--srus-line);
  border-radius: 6px;
  background: var(--srus-white);
  transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
}
.srus-note-card:hover {
  transform: translateY(-2px);
  border-color: #c5d5e5;
  box-shadow: 0 10px 30px rgba(7,29,58,.06);
}
.srus-note-card .wp-block-post-title { margin-top: 0; line-height: 1.25; }
.srus-note-card .wp-block-post-title a { color: var(--srus-ink); text-decoration: none; }
.srus-note-card .wp-block-post-excerpt { color: var(--srus-text); line-height: 1.55; }
.srus-note-card .wp-block-post-date,
.srus-note-card .taxonomy-category { color: var(--srus-muted); font-size: .79rem; }
.srus-notes-more { margin-top: 30px; text-align: center; }

.srus-footer {
  border-top: 1px solid var(--srus-line);
  padding-block: 28px;
  color: var(--srus-muted);
  font-size: .9rem;
}
.srus-footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}
.srus-footer-links { display: flex; gap: 20px; flex-wrap: wrap; }
.srus-footer a { color: var(--srus-ink); text-decoration: none; }

.srus-reading-wrap { max-width: 760px; margin-inline: auto; padding-inline: 22px; }
.srus-article-header { padding-top: 86px; padding-bottom: 36px; }
.srus-article-title { color: var(--srus-ink); font-size: clamp(2.6rem, 6vw, 4.6rem); line-height: 1.03; letter-spacing: -.045em; }
.srus-article-meta { color: var(--srus-muted); }
.srus-article-body { padding-bottom: 100px; color: var(--srus-text); font-size: 1.08rem; line-height: 1.78; }
.srus-article-body h2, .srus-article-body h3 { color: var(--srus-ink); line-height: 1.2; margin-top: 2em; }
.srus-article-body blockquote { border-left: 2px solid var(--srus-blue); margin-inline: 0; padding-left: 1.4rem; color: #405469; }

.srus-list-header { padding-top: 86px; padding-bottom: 36px; }
.srus-list-title { color: var(--srus-ink); font-size: clamp(2.8rem, 6vw, 5rem); letter-spacing: -.05em; }
.srus-post-list .wp-block-post { padding: 28px 0; border-top: 1px solid var(--srus-line); }
.srus-post-list .wp-block-post-title a { color: var(--srus-ink); text-decoration: none; }
.srus-post-list .wp-block-post-excerpt { color: var(--srus-text); }

@media (max-width: 850px) {
  .srus-header-inner { min-height: 68px; }
  .srus-nav { gap: 16px; font-size: .9rem; }
  .srus-hero-grid { grid-template-columns: 1fr; min-height: auto; align-items: start; padding-top: 68px; }
  .srus-hero-copy { padding-bottom: 10px; }
  .srus-portrait-wrap { width: min(72vw, 310px); justify-self: center; }
  .srus-about-grid { grid-template-columns: 1fr; gap: 10px; }
  .srus-flow { grid-template-columns: repeat(5, auto); row-gap: 24px; }
  .srus-flow .srus-step:nth-of-type(n+4) { margin-top: 4px; }
  .srus-notes-grid ul.wp-block-post-template { grid-template-columns: 1fr; }
}

@media (max-width: 560px) {
  .srus-shell { padding-inline: 20px; }
  .srus-header-inner { align-items: flex-start; padding-block: 18px; }
  .srus-nav { max-width: 210px; justify-content: flex-end; }
  .srus-nav a:first-child { display: none; }
  .srus-hero-title { font-size: clamp(3.15rem, 15vw, 4.8rem); }
  .srus-hero-subtitle { font-size: 1.2rem; }
  .srus-hero-grid { gap: 28px; }
  .srus-portrait-wrap { width: min(82vw, 290px); }
  .srus-credentials span { width: 100%; }
  .srus-credentials span::after { display: none; }
  .srus-flow { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 26px 14px; }
  .srus-step { min-width: 0; }
  .srus-arrow { display: none; }
  .srus-quote { padding-inline: 24px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; }
}