/*
Theme Name: SumaCA
Theme URI: https://centrors-ca.org/
Author: Editorial SumaCA
Author URI: https://centrors-ca.org/
Description: Spanish RSE library theme for centrors-ca.org.
Version: 1.2.0
Requires at least: 6.0
Tested up to: 6.7
Requires PHP: 8.0
License: GNU General Public License v2 or later
Text Domain: sumaca
*/

:root {
  --suma-ink: #042f2a;
  --suma-muted: #3d5c56;
  --suma-paper: #f2f8f5;
  --suma-panel: #ffffff;
  --suma-line: #9fc9bf;
  --suma-accent: #0f766e;
  --suma-accent-2: #14b8a6;
  --suma-mast: #04352f;
  --suma-max: 72rem;
  --suma-display: "Sora", "Segoe UI", sans-serif;
  --suma-ui: "IBM Plex Sans", "Segoe UI", sans-serif;
  --suma-body: "IBM Plex Serif", Georgia, serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body.suma-body {
  margin: 0;
  font-family: var(--suma-body);
  font-size: 1.05rem;
  line-height: 1.7;
  color: var(--suma-ink);
  background: var(--suma-paper);
  min-height: 100vh;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: var(--suma-accent);
}

a:hover {
  color: var(--suma-ink);
}

.suma-shell {
  width: min(100% - 1.5rem, var(--suma-max));
  margin-inline: auto;
}

.screen-reader-text {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

/* Chrome */
.suma-topbar {
  background: var(--suma-mast);
  color: #d1fae5;
  font-family: var(--suma-ui);
  font-size: 0.78rem;
}

.suma-topbar__row {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.45rem 0;
}

.suma-topbar a {
  color: #5eead4;
  text-decoration: none;
  font-weight: 600;
}

.suma-masthead {
  border-bottom: 3px solid var(--suma-accent-2);
  background: var(--suma-panel);
  position: sticky;
  top: 0;
  z-index: 40;
}

.suma-masthead__row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.85rem 0;
  position: relative;
}

.suma-brand {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  text-decoration: none;
  color: var(--suma-ink);
}

.suma-brand__text {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
}

.suma-brand__text strong {
  font-family: var(--suma-display);
  font-size: 1.3rem;
  letter-spacing: -0.03em;
}

.suma-brand__text em {
  font-style: normal;
  font-family: var(--suma-ui);
  font-size: 0.7rem;
  color: var(--suma-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.suma-burger {
  display: none;
  width: 2.5rem;
  height: 2.5rem;
  border: 1px solid var(--suma-line);
  background: var(--suma-panel);
  padding: 0.55rem;
  cursor: pointer;
  flex-direction: column;
  justify-content: space-between;
}

.suma-burger span:not(.screen-reader-text) {
  display: block;
  height: 2px;
  background: var(--suma-ink);
}

.suma-nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 1.1rem;
  font-family: var(--suma-ui);
  font-size: 0.9rem;
  font-weight: 600;
}

.suma-nav a {
  text-decoration: none;
  color: var(--suma-ink);
  border-bottom: 2px solid transparent;
}

.suma-nav a:hover {
  border-bottom-color: var(--suma-accent-2);
}

@media (max-width: 900px) {
  .suma-burger {
    display: inline-flex;
  }

  .suma-nav {
    display: none;
    position: absolute;
    inset: 100% 0 auto;
    background: var(--suma-panel);
    border-bottom: 3px solid var(--suma-accent-2);
    padding: 1rem 1.25rem 1.25rem;
    z-index: 30;
  }

  .suma-nav.is-open {
    display: block;
  }

  .suma-nav ul {
    flex-direction: column;
    gap: 0.85rem;
  }
}

/* Full-bleed hero */
.suma-hero {
  position: relative;
  min-height: min(78vh, 40rem);
  display: grid;
  align-items: end;
  overflow: hidden;
  color: #ecfdf8;
}

.suma-hero__plane {
  position: absolute;
  inset: 0;
  overflow: hidden;
}

.suma-hero__photo,
.suma-hero__plane picture,
.suma-hero__plane img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  display: block;
}

.suma-hero__plane picture {
  position: absolute;
  inset: 0;
}

.suma-hero__plane img {
  transform-origin: center;
  animation: suma-plane 18s ease-in-out infinite alternate;
  filter: brightness(0.55) saturate(1.05);
}

.suma-hero__plane::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(105deg, rgba(2, 30, 26, 0.92) 0%, rgba(2, 44, 38, 0.78) 38%, rgba(15, 118, 110, 0.42) 68%, rgba(2, 44, 38, 0.7) 100%),
    linear-gradient(0deg, rgba(2, 30, 26, 0.55) 0%, transparent 42%),
    repeating-linear-gradient(
      115deg,
      transparent 0 18px,
      rgba(255, 255, 255, 0.025) 18px 19px
    );
  pointer-events: none;
}

@keyframes suma-plane {
  from {
    transform: scale(1);
  }
  to {
    transform: scale(1.08) translate(-1.2%, 1%);
  }
}

.suma-hero__copy {
  position: relative;
  z-index: 1;
  padding: 4.5rem 0 3.25rem;
  animation: suma-rise 0.9s ease both;
}

@keyframes suma-rise {
  from {
    opacity: 0;
    transform: translateY(1.25rem);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

.suma-brand-mark {
  font-family: var(--suma-display);
  font-size: clamp(1.6rem, 3vw, 2rem);
  letter-spacing: -0.03em;
  margin: 0 0 0.75rem;
}

.suma-hero h1 {
  font-family: var(--suma-display);
  font-size: clamp(2.2rem, 6vw, 3.75rem);
  line-height: 1.05;
  letter-spacing: -0.035em;
  margin: 0 0 1rem;
  font-weight: 700;
}

.suma-hero__lead {
  margin: 0 0 1.5rem;
  font-size: 1.1rem;
  max-width: 28rem;
  color: #b7e4d8;
}

.suma-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.suma-cta {
  display: inline-flex;
  align-items: center;
  padding: 0.75rem 1.15rem;
  font-family: var(--suma-ui);
  font-weight: 600;
  font-size: 0.92rem;
  text-decoration: none;
  background: #ecfdf8;
  color: var(--suma-ink);
}

.suma-cta:hover {
  background: #fff;
  color: var(--suma-ink);
}

.suma-cta--quiet {
  background: transparent;
  color: #ecfdf8;
  outline: 1px solid rgba(236, 253, 248, 0.45);
}

.suma-cta--quiet:hover {
  background: rgba(236, 253, 248, 0.1);
  color: #fff;
}

/* Horizontal rail */
.suma-band {
  background: var(--suma-panel);
  border-bottom: 1px solid var(--suma-line);
  padding: 0.85rem 0 1rem;
  position: relative;
}

.suma-band::after {
  content: "Desliza →";
  position: absolute;
  right: 1rem;
  bottom: 0.15rem;
  font-family: var(--suma-ui);
  font-size: 0.7rem;
  color: var(--suma-muted);
  pointer-events: none;
  opacity: 0;
}

@media (max-width: 900px) {
  .suma-band::after {
    opacity: 1;
  }
}

.suma-rail {
  display: flex;
  gap: 0.65rem;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  padding-bottom: 0.45rem;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
}

.suma-rail__item {
  flex: 0 0 auto;
  scroll-snap-align: start;
  min-width: 9.5rem;
  padding: 0.65rem 0.85rem;
  text-decoration: none;
  color: var(--suma-ink);
  font-family: var(--suma-ui);
  border-bottom: 2px solid transparent;
}

.suma-rail__item:hover {
  border-bottom-color: var(--suma-accent-2);
  color: var(--suma-ink);
}

.suma-rail__item strong {
  display: block;
  font-size: 0.95rem;
}

.suma-rail__item span {
  font-size: 0.75rem;
  color: var(--suma-muted);
}

/* Content blocks */
.suma-block {
  padding: 3.25rem 0;
}

.suma-block--tint {
  background: linear-gradient(180deg, #e7f5f0 0%, var(--suma-paper) 100%);
}

.suma-block__head {
  margin-bottom: 1.5rem;
  max-width: 36rem;
}

.suma-block__head h2,
.suma-section-head {
  font-family: var(--suma-display);
  font-size: clamp(1.5rem, 3vw, 2rem);
  letter-spacing: -0.03em;
  margin: 0 0 0.35rem;
}

.suma-block__head p {
  margin: 0;
  color: var(--suma-muted);
}

.suma-kicker {
  display: block;
  font-family: var(--suma-ui);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--suma-accent);
  margin-bottom: 0.5rem;
}

/* Feature split (magazine) */
.suma-split {
  display: grid;
  gap: 1.75rem;
}

@media (min-width: 900px) {
  .suma-split {
    grid-template-columns: 1.35fr 0.9fr;
    align-items: start;
    gap: 2.5rem;
  }
}

.suma-lead {
  display: block;
  text-decoration: none;
  color: var(--suma-ink);
  padding: 1.75rem 0;
  border-top: 2px solid var(--suma-ink);
  border-bottom: 1px solid var(--suma-line);
  transition: transform 0.35s ease;
}

.suma-lead:hover {
  transform: translateY(-3px);
  color: var(--suma-ink);
}

.suma-lead h3 {
  font-family: var(--suma-display);
  font-size: clamp(1.6rem, 3.2vw, 2.35rem);
  line-height: 1.15;
  letter-spacing: -0.03em;
  margin: 0 0 0.85rem;
}

.suma-lead p {
  margin: 0 0 1.1rem;
  color: var(--suma-muted);
  max-width: 36rem;
}

.suma-lead__cta {
  font-family: var(--suma-ui);
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--suma-accent);
}

.suma-sidelist {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--suma-line);
}

.suma-sidelist li {
  border-bottom: 1px solid var(--suma-line);
}

.suma-sidelist a {
  display: block;
  padding: 0.95rem 0;
  text-decoration: none;
  color: var(--suma-ink);
  font-family: var(--suma-ui);
  font-weight: 600;
  font-size: 0.98rem;
}

.suma-sidelist a:hover {
  color: var(--suma-accent);
  padding-left: 0.35rem;
  transition: padding-left 0.2s ease, color 0.2s ease;
}

/* Numbered index list */
.suma-index {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--suma-line);
}

.suma-index__row a {
  display: grid;
  grid-template-columns: 2.5rem 1fr auto;
  gap: 0.85rem;
  align-items: baseline;
  padding: 1.05rem 0;
  border-bottom: 1px solid var(--suma-line);
  text-decoration: none;
  color: var(--suma-ink);
}

.suma-index__row a:hover {
  background: linear-gradient(90deg, rgba(20, 184, 166, 0.08), transparent 55%);
}

.suma-index__num {
  font-family: var(--suma-ui);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--suma-muted);
}

.suma-index__body strong {
  display: block;
  font-family: var(--suma-ui);
  font-size: 1.02rem;
  margin-bottom: 0.2rem;
}

.suma-index__body em {
  font-style: normal;
  font-size: 0.9rem;
  color: var(--suma-muted);
}

.suma-index__go {
  font-size: 1.1rem;
  color: var(--suma-accent-2);
  transition: transform 0.2s ease;
}

.suma-index__row a:hover .suma-index__go {
  transform: translateX(4px);
}

.suma-more {
  margin: 1.5rem 0 0;
  font-family: var(--suma-ui);
  font-weight: 600;
}

.suma-more a {
  text-decoration: none;
  border-bottom: 1px solid currentColor;
}

.suma-empty {
  color: var(--suma-muted);
}

/* Find strip */
.suma-block--find {
  padding-top: 0;
}

.suma-find {
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem 2rem;
  align-items: end;
  justify-content: space-between;
  padding: 1.75rem 0;
  border-top: 2px solid var(--suma-ink);
}

.suma-find h2 {
  font-family: var(--suma-display);
  font-size: 1.45rem;
  margin: 0 0 0.25rem;
  letter-spacing: -0.02em;
}

.suma-find p {
  margin: 0;
  color: var(--suma-muted);
}

.suma-search {
  display: flex;
  gap: 0.35rem;
  min-width: min(100%, 22rem);
}

.suma-search input[type="search"] {
  flex: 1;
  border: 1px solid var(--suma-line);
  border-radius: 0;
  padding: 0.65rem 0.75rem;
  font-family: var(--suma-ui);
  background: #fff;
}

.suma-search button {
  border: 0;
  border-radius: 0;
  padding: 0.65rem 0.95rem;
  background: var(--suma-accent);
  color: #fff;
  font-family: var(--suma-ui);
  font-weight: 600;
  cursor: pointer;
}

/* Inner reading */
.suma-read__titleband {
  background: var(--suma-mast);
  color: #ecfdf8;
  padding: 2.25rem 0 2rem;
  margin-bottom: 2rem;
}

.suma-read__titleband h1 {
  font-family: var(--suma-display);
  font-size: clamp(1.8rem, 4vw, 2.7rem);
  letter-spacing: -0.03em;
  margin: 0.35rem 0 0.5rem;
  line-height: 1.12;
}

.suma-read__titleband a {
  color: #5eead4;
}

.suma-meta {
  font-family: var(--suma-ui);
  font-size: 0.88rem;
  color: #9fd5c8;
  margin: 0;
}

.suma-crumbs {
  font-family: var(--suma-ui);
  font-size: 0.8rem;
  margin-bottom: 0.35rem;
}

.suma-crumbs ol {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 0.5rem;
  color: #9fd5c8;
}

.suma-crumbs li:not(:last-child)::after {
  content: "›";
  margin-left: 0.45rem;
}

.suma-crumbs a {
  color: #9fd5c8;
  text-decoration: none;
}

.suma-read__layout {
  padding-bottom: 3.5rem;
}

.suma-read__layout--with-side {
  display: grid;
  gap: 2rem;
  align-items: start;
}

@media (min-width: 980px) {
  .suma-read__layout--with-side {
    grid-template-columns: minmax(0, 1fr) 17.5rem;
  }
}

.suma-read__main {
  min-width: 0;
}

.suma-prose {
  max-width: 46rem;
}

.suma-prose__media {
  margin: 0 0 1.5rem;
}

.suma-prose p {
  margin: 0 0 1rem;
}

.suma-prose h2,
.suma-prose h3 {
  font-family: var(--suma-display);
  letter-spacing: -0.02em;
  margin-top: 1.75rem;
  scroll-margin-top: 5.5rem;
}

/* TOC */
.suma-toc {
  margin: 0 0 1.5rem;
  padding: 1rem 1.1rem;
  background: var(--suma-panel);
  border: 1px solid var(--suma-line);
  border-left: 4px solid var(--suma-accent);
  font-family: var(--suma-ui);
  max-width: 46rem;
}

.suma-toc__title {
  margin: 0 0 0.5rem;
  font-weight: 700;
  font-size: 0.88rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--suma-muted);
}

.suma-toc ol {
  margin: 0;
  padding-left: 1.1rem;
}

.suma-toc li {
  margin: 0.3rem 0;
  font-size: 0.92rem;
}

.suma-toc__h3 {
  margin-left: 0.75rem;
}

.suma-toc a {
  text-decoration: none;
  color: var(--suma-ink);
}

.suma-toc a:hover,
.suma-toc a.is-active {
  color: var(--suma-accent);
}

.suma-toc--side {
  margin: 0 0 1rem;
  max-width: none;
  position: sticky;
  top: 5.25rem;
  z-index: 2;
}

@media (max-width: 979px) {
  .suma-toc--side {
    display: none;
  }
}

@media (min-width: 980px) {
  .suma-read__main .suma-toc:not(.suma-toc--side) {
    display: none;
  }
}

/* Sidebar */
.suma-sidebar {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.suma-side-card {
  padding: 1rem;
  background: var(--suma-panel);
  border: 1px solid var(--suma-line);
  font-family: var(--suma-ui);
}

.suma-side-card--soft {
  background: #e7f5f0;
  border-color: transparent;
}

.suma-side-card__title {
  margin: 0 0 0.55rem;
  font-weight: 700;
  font-size: 0.82rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--suma-muted);
}

.suma-side-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.suma-side-list li {
  margin: 0.35rem 0;
}

.suma-side-list a {
  text-decoration: none;
  color: var(--suma-ink);
  font-size: 0.92rem;
  font-weight: 600;
}

.suma-side-list a:hover,
.suma-side-list .is-active a {
  color: var(--suma-accent);
}

.suma-side-note {
  margin: 0;
  font-size: 0.88rem;
  color: var(--suma-muted);
  line-height: 1.45;
}

.suma-sidebar .suma-search {
  margin: 0;
  max-width: none;
  min-width: 0;
}

.suma-sidebar .suma-search input {
  min-width: 0;
  width: 100%;
}

@media (min-width: 980px) {
  .suma-sidebar {
    position: sticky;
    top: 4.75rem;
  }

  .suma-toc--side {
    position: static;
  }
}

.suma-cross {
  margin-top: 2rem;
  padding: 1.1rem 0 0;
  border-top: 1px dashed var(--suma-line);
}

.suma-cross h2 {
  font-family: var(--suma-display);
  font-size: 1.2rem;
  margin: 0 0 0.4rem;
}

.suma-cross p {
  margin: 0;
  color: var(--suma-muted);
}

.suma-byline h3 {
  margin: 0 0 0.35rem;
  font-family: var(--suma-ui);
  font-size: 1.05rem;
}

.suma-byline p:last-child {
  margin: 0;
  color: var(--suma-muted);
}

.suma-related {
  margin-top: 2.5rem;
}

.suma-section-visual {
  margin: 0 0 1.75rem;
  max-width: 52rem;
}

.suma-section-visual img,
.suma-figure img,
.suma-prose__media img {
  width: 100%;
  height: auto;
  display: block;
  border: 0;
}

.suma-section-visual figcaption,
.suma-figure figcaption {
  font-family: var(--suma-ui);
  font-size: 0.82rem;
  color: var(--suma-muted);
  margin-top: 0.45rem;
}

.suma-figure {
  margin: 1.5rem 0;
}

.suma-duo {
  display: grid;
  gap: 1.5rem;
  margin-bottom: 1rem;
}

@media (min-width: 900px) {
  .suma-duo {
    grid-template-columns: 0.95fr 1.2fr;
    align-items: start;
    gap: 2rem;
  }
}

.suma-section-visual--side {
  margin: 0;
  position: sticky;
  top: 5.5rem;
}

.suma-prose__media {
  margin: 0 0 1.5rem;
  max-width: none;
}

.suma-read__titleband + .suma-shell .suma-prose__media img,
.suma-prose .wp-post-image {
  width: 100%;
  max-height: 22rem;
  object-fit: cover;
}

/* Reveal on scroll */
.suma-reveal {
  opacity: 0;
  transform: translateY(1rem);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.suma-reveal.is-in {
  opacity: 1;
  transform: none;
}

/* Footer */
.suma-foot {
  margin-top: 1rem;
  background: var(--suma-mast);
  color: #b7e4d8;
  font-family: var(--suma-ui);
  font-size: 0.88rem;
  padding: 2.25rem 0 1.5rem;
}

.suma-foot a {
  color: #5eead4;
  text-decoration: none;
}

.suma-foot a:hover {
  color: #fff;
}

.suma-foot__grid {
  display: grid;
  gap: 1.5rem;
  grid-template-columns: repeat(auto-fit, minmax(14rem, 1fr));
  margin-bottom: 1.75rem;
}

.suma-foot__brand strong {
  display: block;
  color: #fff;
  font-family: var(--suma-display);
  font-size: 1.15rem;
  margin-bottom: 0.4rem;
}

.suma-foot__nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}

.suma-foot__copy {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: space-between;
  align-items: center;
  border-top: 1px solid rgba(159, 201, 191, 0.25);
  padding-top: 1rem;
}

.suma-foot__copy .suma-search input {
  background: #065f56;
  border-color: #0f766e;
  color: #ecfdf8;
}

.suma-foot__copy .suma-search button {
  background: var(--suma-accent-2);
  color: var(--suma-ink);
}