/* ======================================================================
   Artículos para fotógrafos — índice y lectura editorial
   ====================================================================== */

.article-index-page,
.article-page {
  min-height: 100%;
  overflow-x: hidden;
  overflow-y: auto;
  background: var(--c-bg-primary);
  color: var(--c-text-primary);
}

.article-index-page a,
.article-page a {
  color: inherit;
}

.articles-header,
.article-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: clamp(20px, 3vw, 46px) clamp(20px, 4.5vw, 80px);
  border-bottom: 1px solid rgba(0, 0, 0, 0.14);
}

.articles-home-link,
.article-home-link,
.article-back-link,
.articles-section-label {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.09em;
  line-height: 1.2;
  text-decoration: none;
  text-transform: uppercase;
}

.articles-home-link span { color: var(--c-text-secondary); margin: 0 5px; }
.articles-section-label { color: var(--c-text-secondary); margin: 0; }

.articles-index-shell {
  width: min(1320px, calc(100% - 40px));
  margin: 0 auto;
  padding: clamp(72px, 11vw, 172px) 0 clamp(80px, 12vw, 180px);
}

.articles-index-intro {
  max-width: 820px;
  margin-bottom: clamp(70px, 10vw, 150px);
}

.article-eyebrow,
.article-section-number,
.article-summary-title,
.article-toc > p,
.signal-diagram-intro p,
.article-author > p {
  margin: 0 0 14px;
  color: #777;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.11em;
  line-height: 1.25;
  text-transform: uppercase;
}

.articles-index-intro h1 {
  max-width: 100%;
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(88px, 15.8vw, 252px);
  font-weight: 400;
  letter-spacing: -0.045em;
  line-height: 0.79;
}

.articles-index-intro > p:last-child {
  max-width: 460px;
  margin: clamp(32px, 4vw, 62px) 0 0;
  font-family: var(--font-secondary);
  font-size: clamp(24px, 2.35vw, 38px);
  line-height: 1.15;
}

.article-list { border-top: 1px solid #000; }

.article-list-card {
  display: grid;
  grid-template-columns: minmax(260px, 0.95fr) minmax(320px, 1fr);
  gap: clamp(28px, 5vw, 92px);
  align-items: center;
  padding: clamp(24px, 3vw, 48px) 0;
  border-bottom: 1px solid #000;
}

.article-list-visual {
  position: relative;
  display: block;
  overflow: hidden;
  min-height: 330px;
  padding: 23px;
  background: #111;
  color: #fff !important;
  text-decoration: none;
}

.article-list-visual svg {
  display: block;
  width: 100%;
  height: auto;
  margin-top: 38px;
  transition: transform 0.8s cubic-bezier(0.22, 1, 0.36, 1);
}

.article-list-card:hover .article-list-visual svg { transform: scale(1.035); }

.article-list-visual-label,
.article-list-visual-scale {
  display: flex;
  justify-content: space-between;
  color: #b5b5b5;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.article-list-visual-scale { margin-top: 14px; color: #8c8c8c; font-weight: 400; }
.article-list-visual-grid path { stroke: #343434; stroke-width: 1; }
.article-list-visual-histogram { fill: #d6d6d6; }
.article-list-visual-marker { stroke: #fff; stroke-width: 1.4; }
.article-list-visual circle { fill: #fff; }

.article-list-copy { max-width: 575px; }

.article-list-meta,
.article-byline {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  color: #6f6f6f;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.07em;
  line-height: 1.35;
  text-transform: uppercase;
}

.article-list-meta { justify-content: space-between; }

.article-list-copy h2 {
  margin: 18px 0 20px;
  font-family: var(--font-primary);
  font-size: clamp(27px, 3vw, 49px);
  font-weight: 700;
  letter-spacing: -0.055em;
  line-height: 1.06;
}

.article-list-copy h2 a,
.article-read-link { text-decoration: none; }

.article-list-copy > p {
  max-width: 485px;
  margin: 0;
  font-size: clamp(15px, 1.2vw, 18px);
  line-height: 1.6;
}

.article-read-link {
  display: inline-block;
  margin-top: 30px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.article-read-link span,
.article-author span,
.article-end span { margin-left: 5px; transition: transform 0.3s ease; }
.article-read-link:hover span,
.article-author a:hover span,
.article-end a:hover span { display: inline-block; transform: translate(3px, -3px); }

.articles-footer,
.article-end {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: clamp(20px, 3vw, 46px) clamp(20px, 4.5vw, 80px);
  background: #000;
  color: #fff;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.articles-footer a,
.article-end a { text-underline-offset: 4px; }

/* Página de artículo */
.article-topbar {
  position: relative;
  z-index: 1;
  background: #fff;
}

.article-back-link,
.article-home-link {
  transition: color 0.25s ease, transform 0.35s cubic-bezier(0.22, 1, 0.36, 1);
}

.article-back-link:hover { color: #777; transform: translateX(-4px); }
.article-home-link:hover { color: #777; transform: translateX(4px); }

.article-hero {
  width: min(1500px, 100%);
  margin: 0 auto;
  padding: clamp(60px, 9vw, 150px) clamp(20px, 4.5vw, 80px) 0;
}

.article-hero-copy { max-width: 1120px; }

.article-breadcrumb {
  display: flex;
  gap: 8px;
  margin-bottom: clamp(42px, 6vw, 84px);
  color: #707070;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.article-breadcrumb a { text-underline-offset: 3px; }

.article-hero h1 {
  max-width: 1100px;
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(60px, 8.15vw, 132px);
  font-weight: 400;
  letter-spacing: -0.043em;
  line-height: 1.1;
  text-wrap: balance;
}

.article-deck {
  max-width: 700px;
  margin: clamp(30px, 4vw, 56px) 0 0;
  font-family: var(--font-secondary);
  font-size: clamp(23px, 2.35vw, 37px);
  line-height: 1.15;
}

.article-byline { margin-top: clamp(32px, 4vw, 52px); }
.article-byline a { text-underline-offset: 3px; }

.low-key-visual-head {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  color: #a4a4a4;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.08em;
  line-height: 1.3;
  text-transform: uppercase;
}

.low-key-visual figcaption {
  margin-top: 11px;
  color: #a6a6a6;
  font-size: 12px;
  line-height: 1.45;
}

.article-layout {
  display: grid;
  grid-template-columns: minmax(155px, 0.35fr) minmax(0, 1fr);
  gap: clamp(40px, 8.5vw, 160px);
  width: min(1200px, calc(100% - 40px));
  margin: clamp(70px, 10vw, 166px) auto clamp(90px, 12vw, 180px);
}

.article-toc {
  align-self: start;
  position: sticky;
  top: 30px;
  padding-top: 9px;
}

.article-toc ol {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.article-toc a {
  color: #777;
  font-size: 12px;
  line-height: 1.25;
  text-decoration: none;
  transition: color 0.25s ease;
}

.article-toc a:hover { color: #000; }

.article-body { max-width: 730px; min-width: 0; }

.article-body section { margin-top: clamp(68px, 9vw, 120px); scroll-margin-top: 28px; }
.article-body > section:first-of-type { margin-top: clamp(70px, 10vw, 132px); }

.article-lead {
  margin: 0;
  font-family: var(--font-secondary);
  font-size: clamp(25px, 2.55vw, 39px);
  line-height: 1.22;
}

.article-lead strong { font-family: var(--font-primary); font-weight: 700; }

.article-summary {
  margin-top: clamp(38px, 5vw, 62px);
  padding: clamp(23px, 3vw, 38px);
  border: 1px solid #000;
}

.article-summary p:last-child { margin: 0; font-size: 17px; line-height: 1.55; }

.article-body h2 {
  max-width: 700px;
  margin: 0 0 clamp(24px, 3vw, 36px);
  font-family: var(--font-display);
  font-size: clamp(44px, 5.3vw, 76px);
  font-weight: 400;
  letter-spacing: -0.038em;
  line-height: 1.08;
}

.article-body h3 {
  margin: clamp(50px, 7vw, 82px) 0 18px;
  font-size: clamp(22px, 2.5vw, 32px);
  font-weight: 700;
  letter-spacing: -0.045em;
  line-height: 1.08;
}

.article-body p,
.article-body li,
.article-body td {
  font-size: clamp(16px, 1.35vw, 19px);
  line-height: 1.66;
}

.article-body p { margin: 0 0 22px; }
.article-body a { text-decoration-thickness: 1px; text-underline-offset: 3px; }
.article-body a:hover { color: #666; }

.article-body blockquote {
  margin: clamp(34px, 5vw, 60px) 0;
  padding: 0 0 0 clamp(20px, 3vw, 38px);
  border-left: 2px solid #000;
  font-family: var(--font-secondary);
  font-size: clamp(28px, 3vw, 44px);
  line-height: 1.1;
}

.article-note,
.article-warning {
  margin: clamp(32px, 5vw, 54px) 0;
  padding: clamp(22px, 3.4vw, 34px);
  background: #efefef;
  font-size: clamp(15px, 1.25vw, 18px);
  line-height: 1.55;
}

.article-warning { background: #000; color: #fff; }

.signal-diagram {
  margin: clamp(38px, 6vw, 74px) 0;
  padding: clamp(25px, 4vw, 52px);
  background: #111;
  color: #fff;
}

.signal-diagram-intro { display: grid; gap: 4px; margin-bottom: clamp(30px, 5vw, 52px); }
.signal-diagram-intro p { margin: 0; color: #9e9e9e; }
.signal-diagram-intro strong { font-family: var(--font-secondary); font-size: clamp(24px, 3vw, 36px); font-weight: 300; line-height: 1.05; }

.signal-funnel { display: grid; gap: 3px; }

.signal-funnel-row {
  display: grid;
  grid-template-columns: minmax(108px, 1fr) minmax(35px, 2.65fr) auto;
  gap: 12px;
  align-items: center;
  color: #bcbcbc;
  font-size: clamp(10px, 1.1vw, 13px);
  line-height: 1.15;
}

.signal-funnel-row i {
  display: block;
  justify-self: center;
  width: var(--funnel-width);
  height: clamp(10px, 1.25vw, 16px);
  background: #696969;
}

.signal-funnel-row b { color: #fff; font-size: inherit; font-weight: 400; text-align: right; }
.signal-funnel-highlight { color: #fff; }
.signal-funnel-highlight i { background: #fff; }

.signal-caption { margin: clamp(30px, 4vw, 42px) 0 0 !important; color: #a8a8a8; font-size: 12px !important; line-height: 1.45 !important; }

.article-steps,
.article-checklist {
  display: grid;
  gap: 0;
  margin: clamp(36px, 5vw, 62px) 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid #000;
}

.article-steps li {
  display: grid;
  grid-template-columns: minmax(160px, 0.75fr) minmax(0, 1.45fr);
  gap: 20px;
  padding: 20px 0;
  border-bottom: 1px solid #000;
}

.article-steps strong { font-size: 15px; line-height: 1.4; }
.article-steps span { font-size: 15px; line-height: 1.45; }

.low-key-visual {
  margin: clamp(68px, 9vw, 120px) 0 0;
  padding: clamp(23px, 3vw, 38px);
  background: #111;
  color: #fff;
}

.low-key-visual-columns {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(18px, 4vw, 58px);
  margin-top: clamp(30px, 5vw, 58px);
}

.low-key-visual-columns > div > p { margin: 0 0 12px; color: #a7a7a7; font-size: 10px; font-weight: 700; letter-spacing: 0.07em; }
.low-key-visual-columns > div > span { display: block; margin-top: 12px; color: #bdbdbd; font-size: 11px; }

.low-key-frame {
  position: relative;
  aspect-ratio: 1 / 1;
  overflow: hidden;
  background: #030303;
}

.low-key-frame::before {
  position: absolute;
  top: 13%;
  left: 50%;
  width: 34%;
  height: 34%;
  border: 1px solid #686868;
  border-radius: 50%;
  content: '';
  transform: translateX(-50%);
}

.low-key-frame i,
.low-key-frame b,
.low-key-frame em { position: absolute; display: block; background: #4b4b4b; }
.low-key-frame i { bottom: 0; left: 33%; width: 34%; height: 59%; }
.low-key-frame b { bottom: 22%; left: 19%; width: 64%; height: 1px; transform: rotate(-26deg); transform-origin: left; }
.low-key-frame em { right: 14%; bottom: 16%; width: 6px; height: 6px; border-radius: 50%; }
.low-key-frame-noisy { background-image: radial-gradient(#242424 0.7px, transparent 0.7px); background-size: 4px 4px; }
.low-key-frame-noisy::before { border-color: #4b4b4b; }
.low-key-frame-noisy i { background: #272727; }
.low-key-frame-noisy b { background: #363636; }
.low-key-frame-clean::before { border-color: #9c9c9c; }
.low-key-frame-clean i { background: #585858; }
.low-key-frame-clean b { background: #cfcfcf; }
.low-key-frame-clean em { background: #fff; }

.article-table-wrap {
  margin: clamp(34px, 5vw, 58px) 0;
  overflow-x: auto;
  border-top: 1px solid #000;
  border-bottom: 1px solid #000;
}

.article-table-wrap table { width: 100%; min-width: 590px; border-collapse: collapse; }
.article-table-wrap th,
.article-table-wrap td { padding: 17px 14px; text-align: left; vertical-align: top; }
.article-table-wrap th { color: #666; font-size: 10px; letter-spacing: 0.08em; text-transform: uppercase; }
.article-table-wrap td { border-top: 1px solid #d0d0d0; font-size: 14px; line-height: 1.42; }
.article-table-wrap th:first-child,
.article-table-wrap td:first-child { padding-left: 0; }
.article-table-wrap th:last-child,
.article-table-wrap td:last-child { padding-right: 0; }

.article-checklist li {
  display: grid;
  grid-template-columns: 32px 1fr;
  gap: 16px;
  padding: 17px 0;
  border-bottom: 1px solid #000;
}

.article-checklist span { color: #858585; font-size: 11px; font-weight: 700; letter-spacing: 0.06em; }

.article-faq details { border-top: 1px solid #000; }
.article-faq details:last-of-type { border-bottom: 1px solid #000; }
.article-faq summary { position: relative; padding: 19px 32px 19px 0; cursor: pointer; font-size: clamp(17px, 1.5vw, 20px); font-weight: 700; letter-spacing: -0.03em; line-height: 1.25; list-style: none; }
.article-faq summary::-webkit-details-marker { display: none; }
.article-faq summary::after { position: absolute; right: 4px; top: 15px; content: '+'; font-size: 25px; font-weight: 400; transition: transform 0.25s ease; }
.article-faq details[open] summary::after { transform: rotate(45deg); }
.article-faq details p { max-width: 650px; padding-bottom: 22px; }

.article-conclusion {
  padding: clamp(35px, 5vw, 62px) 0 0;
  border-top: 2px solid #000;
}

.article-conclusion h2 { max-width: 670px; }
.article-conclusion p:last-child { max-width: 590px; }

.article-author {
  padding-top: clamp(42px, 6vw, 70px);
  border-top: 1px solid #000;
}

.article-author > div { max-width: 610px; }
.article-author h2 { margin-bottom: 16px; font-size: clamp(46px, 5vw, 72px); line-height: 1.08; }
.article-author p:not(:first-child) { max-width: 560px; }
.article-author a { display: inline-block; margin-top: 10px; font-size: 11px; font-weight: 700; letter-spacing: 0.08em; text-decoration: none; }

.article-end { margin-top: 0; }
.article-end p { margin: 0; color: #b7b7b7; font-size: 10px; }
.article-end p a { color: #fff; }

@media (max-width: 850px) {
  .article-layout { display: block; }
  .article-toc { position: static; margin-bottom: 54px; padding-bottom: 24px; border-bottom: 1px solid #000; }
  .article-toc ol { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px 22px; }
  .article-body { max-width: 760px; }
}

@media (max-width: 640px) {
  .articles-header,
  .article-topbar { padding: 20px; }
  .articles-section-label { display: none; }
  .articles-index-shell { width: min(100% - 40px, 1320px); padding-top: 72px; }
  .articles-index-intro h1 { font-size: clamp(76px, 21.5vw, 118px); }
  .article-list-card { grid-template-columns: 1fr; gap: 27px; }
  .article-list-copy h2 { max-width: 500px; }
  .articles-footer,
  .article-end { padding: 22px 20px; }
  .article-hero { padding: 56px 20px 0; }
  .article-breadcrumb { margin-bottom: 44px; }
  .article-hero h1 { font-size: clamp(51px, 14.5vw, 82px); }
  .article-deck { font-size: 25px; }
  .article-layout { width: min(100% - 40px, 1200px); margin-top: 72px; }
  .article-toc ol { grid-template-columns: 1fr; }
  .article-body section { margin-top: 76px; }
  .article-body h2 { font-size: clamp(43px, 12vw, 62px); }
  .article-body p,
  .article-body li { font-size: 16px; }
  .article-steps li { grid-template-columns: 1fr; gap: 7px; }
  .signal-diagram { margin-left: -20px; margin-right: -20px; }
  .low-key-visual-columns { gap: 18px; }
  .signal-funnel-row { grid-template-columns: 93px minmax(20px, 1fr) 47px; gap: 8px; }
  .article-end { align-items: flex-start; flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
  .article-list-visual svg,
  .article-read-link span,
  .article-author span,
  .article-end span,
  .article-back-link,
  .article-home-link,
  .article-faq summary::after { transition: none; }
}