/* Showcase: keep the existing content and use native dialog focus management. */
:root { color-scheme: light; --showcase-bg: #f3f4f5; --showcase-surface: #fff; --showcase-ink: #202326; --showcase-line: #dde1e4; --ink: #202326; --gray: #555d64; --surface: #fff; --bg: #f3f4f5; --muted: #555d64; --line: #dde1e4; --blue: #0066cc; --green: #0066cc; }
:root[data-theme=dark] { color-scheme: dark; --showcase-bg: #171b20; --showcase-surface: #232a32; --showcase-ink: #f3f5f7; --showcase-line: #46515d; --ink: #f3f5f7; --gray: #b9c2cb; --surface: #232a32; --bg: #171b20; --muted: #b9c2cb; --line: #46515d; --blue: #8fc5ff; --green: #8fc5ff; }
body { background: var(--showcase-bg); }
header { background: color-mix(in srgb, var(--showcase-bg) 94%, transparent); border-color: var(--line); }
.nav { gap: 24px; }
.site-controls { display: flex; gap: 8px; align-items: center; }
header #primary-nav a { color: var(--ink); }
header #primary-nav a[aria-current] { color: var(--blue); }
.skip { background: var(--surface); color: var(--ink); }
#caso-psiconectados > summary { background: var(--surface); }
.credential-mark { background: var(--ink); color: var(--bg); }
#tecnologias .stack-icons span { color: var(--gray); }
.site-controls button, .theme-select { min-height: 44px; border: 1px solid var(--line); border-radius: 8px; padding: 8px 10px; background: var(--surface); color: var(--ink); font: inherit; font-size: 13px; }
.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; }
.hero { text-align: left; padding-top: 96px; }
.hero h1 { max-width: 950px; font-size: clamp(48px,7.3vw,104px); letter-spacing: -.06em; }
.hero .intro { margin: 28px 0 32px; max-width: 660px; }
.hero > .actions, .hero-path { justify-content: flex-start; }
.section { padding-block: 100px; }
.heading { margin-bottom: 48px; }
.showcase, .feature, .project, .tool, .credential, .academic, .award, .case-study, .case-study summary, .steps li, .contact-form { background: var(--surface); border-color: var(--line); }
.showcase { box-shadow: 0 18px 55px #0000000d; }
.showcase figcaption { border-color: var(--line); background: var(--surface); }
.about, .contact { background: var(--bg); }
.about .profile img { border-radius: 20px; }
.portrait .caption { background: var(--surface); color: var(--ink); border: 1px solid var(--line); }
.portrait .caption p { color: var(--gray); }
.tool { border-radius: 16px; border: 1px solid var(--line); }
.credential, .academic { border-radius: 16px; }
.academic { color: var(--ink); }
.academic .eyebrow, .academic p { color: var(--gray); }
.academic .credential-status { color: var(--ink); background: var(--bg); border-color: var(--line); }
#proyectos .project.dark .actions a { color: var(--blue); }
.project.editorial { background: var(--surface); border: 1px solid var(--line); }
.editorial-intro { border-color: var(--line); }
.editorial-intro > span:last-child { color: var(--gray); }
.project .capabilities li, .tech-tags li { color: var(--gray); border-color: var(--line); }
.project-filters button { background: var(--surface); border-color: var(--line); color: var(--ink); }
.project-filters button[aria-pressed=true] { background: var(--ink); color: var(--bg); }
.project-filters button[aria-pressed=true] span { color: var(--bg); }
.button { background: #0066cc; color: #fff; border-color: #0066cc; }
.button.secondary { color: var(--ink); border-color: var(--line); background: transparent; }
.contact-shell { max-width: 850px; }
.contact-form { margin: 48px auto 0; padding: 32px; text-align: left; border: 1px solid var(--line); border-radius: 20px; }
.contact-form h3 { font-size: 28px; margin-bottom: 24px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.contact-form label { display: grid; gap: 8px; margin-bottom: 20px; font-size: 14px; color: var(--ink); }
.contact-form input, .contact-form textarea { box-sizing: border-box; width: 100%; min-width: 0; padding: 14px; border: 1px solid var(--line); border-radius: 8px; background: var(--bg); color: var(--ink); font: inherit; font-size: 16px; }
.contact-form textarea { resize: vertical; }
.contact-form button { font: inherit; cursor: pointer; }
.contact-form button:disabled { opacity: .65; cursor: wait; }
.form-status { font-size: 14px; }
.form-status:empty { display: none; }
input:focus-visible, textarea:focus-visible, select:focus-visible { outline: 3px solid var(--blue); outline-offset: 3px; }
.capture-label { color: #202326; }
.copy-email, .stack-carousel-toggle { color: var(--ink); background: var(--surface); border-color: var(--line); }
:root[data-theme=dark] .project.dark p, :root[data-theme=dark] .project.dark .number { color: var(--gray); }
:root[data-theme=dark] .project.dark .tech-tags li { color: var(--gray); border-color: var(--line); }
:root[data-theme=dark] .project-subtitle, :root[data-theme=dark] .dark .project-subtitle { color: var(--ink); }
:root[data-theme=dark] .project .actions a { color: var(--blue); }
:root[data-theme=dark] .credential-status { background: #303b46; color: #d9e3ed; border-color: var(--line); }
:root[data-theme=dark] footer { border-color: var(--line); }
:root[data-theme=dark] .stack-icons li { color: var(--gray); border-color: var(--line); }
:root[data-theme=dark] nav { background: var(--surface); }
.hero h1, .heading h2 { font-weight: 750; }
#proyectos .feature, #proyectos .project, .case-study { border-radius: 20px; }
#proyectos .project:not(.editorial) { background: var(--showcase-surface); color: var(--showcase-ink); border: 1px solid var(--showcase-line); }
#proyectos h3 { overflow-wrap: anywhere; }
#proyectos .project.dark p, #proyectos .project.dark .number { color: var(--gray); }
#proyectos .project.dark .tech-tags li { color: var(--gray); border-color: var(--line); }
.capture-button { position: relative; overflow: hidden; }
.capture-button img { transition: transform .5s ease; }
.capture-button:hover img { transform: scale(1.025); }
.capture-button:focus-visible { outline: 3px solid #0066cc; outline-offset: 5px; }
.concept-preview { margin-top: 24px; padding: 14px 18px; border: 1px solid currentColor; border-radius: 10px; background: transparent; font: inherit; text-align: left; }
.preview-dialog { width: min(1180px, calc(100% - 40px)); max-width: none; height: min(900px, calc(100dvh - 40px)); max-height: none; margin: auto; padding: 0; border: 1px solid var(--showcase-line); border-radius: 22px; background: var(--showcase-surface); color: var(--showcase-ink); overflow: hidden; box-shadow: 0 24px 80px #0003; }
.preview-dialog[open] { display: flex; flex-direction: column; animation: showcase-enter .24s ease both; }
.preview-dialog.closing { animation: showcase-exit .18s ease both; }
.preview-dialog::backdrop { background: #141b24b8; backdrop-filter: blur(6px); }
.preview-open { overflow: hidden; }
.preview-toolbar { display: flex; justify-content: space-between; align-items: center; gap: 20px; padding: 24px 28px 18px; flex: none; border-bottom: 1px solid var(--showcase-line); }
.preview-toolbar h2 { font-size: clamp(24px, 4vw, 38px); overflow-wrap: anywhere; }
.preview-category { margin: 0 0 8px; color: #555d64; }
.preview-close { position: static; flex: none; min-height: 44px; padding: 10px 14px; border: 1px solid var(--showcase-line); border-radius: 10px; background: #f3f4f5; color: #202326; font: inherit; }
.preview-tabs { display: flex; gap: 6px; padding: 12px 28px; flex: none; }
.preview-tabs button { min-height: 44px; padding: 10px 20px; border: 1px solid var(--showcase-line); border-radius: 10px; background: #fff; color: #444c53; font: inherit; }
.preview-tabs [aria-selected=true] { background: #202326; color: #fff; border-color: #202326; }
.preview-stage { flex: 1; min-height: 0; padding: 28px; overflow: auto; background: #eceff1; overscroll-behavior: contain; }
.preview-device { width: 100%; margin: 0 auto; border: 1px solid #c9cfd4; border-radius: 12px; background: #fff; overflow: hidden; transition: width .25s ease, border-radius .25s ease; }
.preview-screen { height: 550px; overflow: auto; }
.preview-frame { display: block; width: 100%; height: 100%; border: 0; background: #fff; }
.preview-stage[data-view=desktop] .preview-frame { min-width: 960px; }
.preview-stage[data-view=mobile] .preview-screen { height: 590px; }
.preview-stage[data-view=capture] .preview-device { width: 100%; }
.preview-toolbar { margin-bottom: 0; }
.preview-footer { padding-block: 18px; }
:root[data-theme=dark] .preview-toolbar h2 { color: var(--ink); }
:root[data-theme=dark] .preview-category { color: var(--gray); }
.preview-browser { display: flex; gap: 20px; align-items: center; padding: 14px 18px; border-bottom: 1px solid #dde1e4; font-size: 12px; color: #65717b; background: #fafbfc; }
.preview-address { overflow-wrap: anywhere; }
.preview-full { display: block; width: 100%; max-height: none; object-fit: initial; border-radius: 0; }
.preview-stage[data-view=mobile] .preview-device { width: min(360px, 100%); border: 8px solid #252b31; border-radius: 32px; }
.preview-stage[data-view=mobile] .preview-browser { justify-content: center; padding: 12px; }
.preview-stage[data-view=mobile] .preview-browser > span:first-child { display: none; }
.preview-stage[data-view=mobile] .preview-full { width: 100%; height: auto; }
.preview-context { display: none; padding: 24px; }
.preview-context h3 { font-size: 28px; overflow-wrap: anywhere; }
.preview-context p { font-size: 16px; line-height: 1.6; color: #555d64; }
.preview-stage[data-view=mobile] .preview-context { display: block; }
.preview-mockup { padding: clamp(24px, 4vw, 60px); min-height: 360px; }
.preview-mockup h3 { font-size: clamp(28px, 4vw, 48px); }
.preview-mockup p { color: #555d64; }
.preview-mockup ul { display: grid; gap: 14px; padding: 0; list-style: none; }
.preview-mockup li { padding: 20px; background: #f3f4f5; border: 1px solid #dde1e4; border-radius: 12px; }
.preview-footer { flex: none; display: flex; align-items: center; justify-content: space-between; gap: 24px; padding: 18px 28px; border-top: 1px solid var(--showcase-line); background: #fff; }
.preview-footer p { margin: 0; font-size: 14px; color: #424a51; line-height: 1.5; }
.preview-footer .preview-caption { margin-top: 5px; font-size: 12px; color: #65717b; }
.preview-cta { flex: none; font-size: 14px; }
.preview-dialog [hidden] { display: none !important; }
.preview-dialog :focus-visible { outline: 3px solid #0066cc; outline-offset: 3px; }
.showcase-ready .showcase-reveal { opacity: 0; transform: translateY(18px); transition: opacity .6s ease, transform .6s ease; }
.showcase-ready .showcase-reveal.visible { opacity: 1; transform: none; }
@keyframes showcase-enter { from { opacity: 0; transform: translateY(14px) scale(.985); } to { opacity: 1; transform: none; } }
@keyframes showcase-exit { to { opacity: 0; transform: translateY(8px) scale(.99); } }
@media (max-width: 640px) {
  .nav { flex-wrap: wrap; gap: 8px; padding-block: 10px; }
  .brand { margin-right: auto; }
  .site-controls { order: 2; }
  .menu-toggle { order: 3; }
  #primary-nav { order: 4; width: 100%; }
  .site-controls button, .theme-select { font-size: 12px; padding-inline: 8px; }
  .hero { padding-top: 50px; }
  .hero h1 { font-size: clamp(42px,11vw,68px); }
  .section { padding-block: 64px; }
  .heading { margin-bottom: 30px; }
  .contact-form { padding: 22px; }
  .form-row { grid-template-columns: 1fr; gap: 0; }
  .preview-dialog { width: calc(100% - 16px); height: calc(100dvh - 16px); border-radius: 16px; }
  .preview-toolbar { padding: 18px 16px; gap: 12px; }
  .preview-close { font-size: 13px; padding: 10px; }
  .preview-tabs { padding: 10px 16px; gap: 5px; flex-wrap: wrap; }
  .preview-tabs button { padding: 8px 10px; font-size: 13px; }
  .preview-stage { padding: 16px; }
  .preview-footer { padding: 14px 16px; flex-wrap: wrap; gap: 12px; max-height: 32dvh; overflow: auto; }
  .preview-cta { width: 100%; }
}
@media (min-width:641px) and (max-width:1000px) { .nav { flex-wrap: wrap; padding-block: 12px; gap: 16px; } .site-controls { margin-left: auto; } #primary-nav { order: 3; width: 100%; justify-content: center; } }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .capture-button:hover img, .capture-button:hover .project-preview { transform: none; }
  .preview-dialog[open], .preview-dialog.closing { animation: none; }
  .preview-device, .capture-button img, .showcase-ready .showcase-reveal { transition: none; }
  .showcase-ready .showcase-reveal { opacity: 1; transform: none; }
}

/* Personal identity: an engineering notebook, grounded in Tomás's background. */
:root { --showcase-bg: #f4f2ec; --showcase-surface: #fdfcf8; --showcase-ink: #242c29; --showcase-line: #d5d9d1; --ink: #242c29; --gray: #56635d; --surface: #fdfcf8; --bg: #f4f2ec; --muted: #56635d; --line: #d5d9d1; --blue: #24594f; --green: #24594f; }
:root[data-theme=dark] { --showcase-bg: #161e1c; --showcase-surface: #222d29; --showcase-ink: #f0f2eb; --showcase-line: #465950; --ink: #f0f2eb; --gray: #bdc8c0; --surface: #222d29; --bg: #161e1c; --muted: #bdc8c0; --line: #465950; --blue: #a3d5c3; --green: #a3d5c3; }
.personal-brand { display: flex; align-items: center; gap: 8px; }
.personal-brand > span { font-size: 12px; font-weight: 500; letter-spacing: 0; }
.personal-hero { display: grid; grid-template-columns: 1.35fr .8fr; gap: 40px 72px; align-items: center; padding-block: 80px 40px; }
.personal-hero .eyebrow, .identity-index, .identity-meta, .identity-principles > p > span, .heading .label, .personal-note > span { font-family: ui-monospace,SFMono-Regular,Consolas,monospace; }
.personal-hero .eyebrow { font-size: 12px; letter-spacing: .04em; margin-bottom: 26px; }
.personal-hero h1 { font-size: clamp(62px,7vw,100px); line-height: .98; margin-bottom: 30px; letter-spacing: -.065em; }
.personal-hero h1 > span { font-family: Georgia,'Times New Roman',serif; font-style: italic; font-weight: 400; letter-spacing: -.06em; color: var(--blue); }
.identity-statement { color: var(--ink); font-size: 24px; line-height: 1.4; font-weight: 600; letter-spacing: -.025em; margin: 0; }
.personal-hero .intro { margin: 20px 0 28px; font-size: 17px; line-height: 1.75; max-width: 560px; }
.personal-hero .actions { justify-content: flex-start; gap: 24px; }
.button { background: #24594f; border-color: #24594f; color: #fff; border-radius: 6px; }
.button.secondary { background: transparent; color: var(--ink); border-color: var(--line); }
.identity-cv { font-size: 14px; min-height: 44px; display: inline-flex; align-items: center; }
.identity-cv { gap: 10px; }
.identity-cv svg { width: 14px; height: 14px; transition: transform .2s; }
.identity-cv:hover svg { transform: translate(2px,-2px); }
.identity-meta { display: flex; flex-wrap: wrap; gap: 8px 20px; margin-top: 34px; padding-top: 18px; border-top: 1px solid var(--line); font-size: 11px; line-height: 1.7; color: var(--gray); }
.identity-portrait { position: relative; margin: 0; align-self: center; padding: 12px; border: 1px solid var(--line); border-radius: 3px; }
.identity-portrait::before, .identity-portrait::after { content: ''; position: absolute; width: 16px; height: 16px; border-color: var(--blue); }
.identity-portrait::before { left: -4px; top: -4px; border-left: 2px solid; border-top: 2px solid; }
.identity-portrait::after { right: -4px; bottom: -4px; border-right: 2px solid; border-bottom: 2px solid; }
.identity-portrait img { display: block; width: 100%; height: auto; aspect-ratio: 390/440; object-fit: cover; object-position: center top; border-radius: 2px; }
.identity-portrait figcaption { display: grid; gap: 12px; padding: 20px 2px 4px; font-size: 13px; line-height: 1.6; color: var(--gray); }
.identity-index { color: var(--blue); font-size: 11px; letter-spacing: .08em; }
.identity-principles { grid-column: 1/-1; display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 28px; padding: 26px 0; margin-top: 20px; border-block: 1px solid var(--line); }
.identity-principles p { margin: 0; font-size: 14px; line-height: 1.6; display: flex; gap: 14px; align-items: baseline; }
.identity-principles > p > span { font-size: 11px; color: var(--blue); white-space: nowrap; }
.identity-principles strong { color: var(--ink); font-weight: 500; }
.identity-principles > div { padding-right: 24px; border-right: 1px solid var(--line); }
.identity-principles > div:last-child { border: 0; padding-right: 0; }
.principle-number { font-family: ui-monospace,Consolas,monospace; font-size: 10px; letter-spacing: .06em; color: var(--blue); }
.identity-principles h2 { font-size: 21px; letter-spacing: -.025em; line-height: 1.3; margin: 14px 0 10px; }
.identity-principles p { display: block; font-size: 13px; line-height: 1.75; max-width: 290px; color: var(--gray); }
.heading h2, #sobre-mi h2, #tecnologias h2, #formacion h2, #contact-title { font-size: clamp(32px,4.2vw,56px); letter-spacing: -.045em; line-height: 1.1; }
.heading .label { font-size: 12px; letter-spacing: .025em; }
#proyectos .feature { display: grid; grid-template-columns: 1fr 1.15fr; gap: 18px 40px; padding: 40px; text-align: left; border-radius: 8px; }
#proyectos .feature > * { grid-column: 1; }
#proyectos .feature > .feature-capture { grid-column: 2; grid-row: 1/span 6; width: 100%; margin: 0; align-self: center; border-radius: 4px; }
#proyectos .feature > .eyebrow { margin: 0; }
#proyectos .feature h3 { font-size: clamp(30px,3.5vw,46px); }
#proyectos .feature .feature-subtitle { margin: 0; font-size: 20px; }
#proyectos .feature > p:not(.eyebrow) { margin: 0; font-size: 16px; }
#proyectos .feature .actions { justify-content: flex-start; }
#proyectos .feature > .stack { margin: 0; border-radius: 4px; font-size: 12px; padding: 8px 10px; }
#proyectos .feature > .feature-note { grid-column: 1/-1; margin-top: 18px; padding-top: 26px; }
#proyectos .feature-note > strong { font-size: 22px; }
.steps li { border-radius: 4px; }
#proyectos .grid { grid-template-columns: 1fr; gap: 0; }
#proyectos .project { border: 0; border-top: 1px solid var(--line); border-radius: 0; background: transparent; padding: 40px 0; display: grid; grid-template-columns: 1.05fr 1fr; gap: 14px 48px; min-height: 0; }
#proyectos .project > * { grid-column: 2; }
#proyectos .project > .capture-button { grid-column: 1; grid-row: 1/span 7; width: 100%; margin: 0; border-radius: 4px; box-shadow: none; align-self: center; }
#proyectos .project .number, #proyectos .project p, #proyectos .project .tech-tags, #proyectos .project .capabilities { margin: 0; }
#proyectos .project h3 { font-size: 32px; }
#proyectos .project .actions { margin-top: 10px; }
#proyectos .project.editorial { grid-template-columns: .4fr 1fr; }
#proyectos .project.editorial .editorial-intro { grid-column: 1; grid-row: 1/span 6; display: flex; flex-direction: column; align-items: flex-start; justify-content: flex-start; gap: 24px; border: 0; margin: 0; }
#proyectos .project.editorial .editorial-intro > span:first-child { font-family: Georgia,serif; font-size: 70px; font-weight: 400; color: var(--blue); }
.concept-preview { width: fit-content; margin: 0; font-size: 14px; padding: 10px 14px; }
.project-decision { margin: 8px 0; padding-left: 16px; border-left: 2px solid var(--line); }
.project-decision dt { color: var(--blue); font-family: ui-monospace,Consolas,monospace; font-size: 11px; margin-bottom: 8px; }
.project-decision dd { margin: 0; font-size: 14px; line-height: 1.6; color: var(--gray); }
.project-brief { border-block: 1px solid var(--line); margin-top: 8px; }
.project-brief summary { display: flex; justify-content: space-between; align-items: center; gap: 16px; padding: 16px 0; min-height: 48px; color: var(--ink); font-size: 14px; cursor: pointer; list-style: none; }
.project-brief summary::-webkit-details-marker { display: none; }
.project-brief[open] .details-sign { transform: rotate(45deg); }
.project-brief dl { margin: 0; padding-bottom: 20px; display: grid; gap: 20px; }
.project-brief dt { font-size: 12px; font-weight: 600; color: var(--ink); margin-bottom: 6px; }
.project-brief dd { margin: 0; color: var(--gray); font-size: 14px; line-height: 1.7; }
.personal-note { border-left: 2px solid var(--blue); margin-top: 30px; padding: 14px 0 14px 24px; }
.personal-note p { font-family: Georgia,serif; font-size: 26px; line-height: 1.5; color: var(--ink); margin: 14px 0 0; }
.award, .academic, .credential, .tool { border-radius: 6px; }
.contact-shell { background: transparent; padding: 0; text-align: left; }
.contact-shell .contact-copy, .contact-shell > p { margin-left: 0; }
.contact-shell .email-row, .contact-shell .social { justify-content: flex-start; }
.contact-form { border-radius: 8px; margin-top: 32px; }
.case-study { border-radius: 8px; }
.about { --ink: #eef3ec; --gray: #c4d2ca; --blue: #b5ddcb; --surface: #2d473e; --line: #5a7368; background: #223b32; color: var(--ink); }
.about h2 { max-width: 520px; }
.about .label { color: var(--gray); }
.about .split { align-items: start; }
.about .split > div:nth-child(2) { padding-top: 38px; }
.about .split > div:nth-child(2) > p { font-size: 18px; line-height: 1.8; }
.about .personal-note { padding-left: 20px; margin-top: 32px; border-color: #789a87; }
.about .personal-note p { font-size: 23px; }
.about .award { padding: 30px; margin-top: 56px; }
.about .award-place { border-color: var(--line); }
.about .award h3 { font-size: 25px; }
.about .award p { color: var(--gray); }
.about .button.secondary { color: var(--ink); }
.credential-details { border-block: 1px solid var(--line); margin-top: 28px; }
.credential-details > summary { display: flex; justify-content: space-between; align-items: center; gap: 20px; padding: 24px 0; font-size: 15px; list-style: none; cursor: pointer; color: var(--ink); }
.credential-details > summary::-webkit-details-marker { display: none; }
.details-sign { font-size: 24px; font-weight: 400; transition: transform .2s; }
.credential-details[open] .details-sign { transform: rotate(45deg); }
.credential-details .credential-intro { margin-top: 8px; }
.credential-details .credential-grid { padding-bottom: 28px; }
:root[data-theme=dark] .about { background: #1c3129; --surface: #263e33; }
.preview-dialog .button { background: #0066cc; border-color: #0066cc; }
@media (max-width:900px) {
  .personal-hero { gap: 32px; grid-template-columns: 1.2fr .8fr; }
  .personal-hero h1 { font-size: clamp(58px,8vw,78px); }
  .identity-principles { gap: 18px; }
  #proyectos .feature { padding: 28px; gap: 18px 24px; }
  #proyectos .project { gap: 14px 28px; }
}
@media (max-width:640px) {
  .personal-brand > span { display: none; }
  .personal-hero { grid-template-columns: 1fr; padding-top: 40px; gap: 30px; }
  .personal-hero h1 { font-size: clamp(58px,17vw,84px); }
  .identity-statement { font-size: 22px; }
  .identity-portrait { width: min(330px,100%); justify-self: start; }
  .identity-portrait { display: grid; grid-template-columns: 86px 1fr; align-items: center; width: 100%; gap: 14px; padding: 10px; }
  .identity-portrait img { width: 86px; height: 106px; aspect-ratio: auto; object-fit: cover; }
  .identity-portrait figcaption { padding: 0; font-size: 12px; gap: 8px; }
  .personal-hero .intro { font-size: 16px; margin-block: 18px 24px; }
  .identity-principles { grid-template-columns: 1fr; gap: 16px; margin-top: 0; }
  .identity-principles > div { border-right: 0; padding: 0 0 18px; border-bottom: 1px solid var(--line); }
  .identity-principles > div:last-child { padding-bottom: 0; }
  .identity-principles p { max-width: none; }
  #proyectos .feature { grid-template-columns: 1fr; padding: 24px; }
  #proyectos .feature > .feature-capture { grid-column: 1; grid-row: auto; order: 0; }
  #proyectos .feature > .feature-note { grid-column: 1; }
  #proyectos .project, #proyectos .project.editorial { grid-template-columns: 1fr; padding: 32px 0; }
  #proyectos .project > *, #proyectos .project > .capture-button, #proyectos .project.editorial .editorial-intro { grid-column: 1; grid-row: auto; }
  #proyectos .project.editorial .editorial-intro { flex-direction: row; align-items: center; }
  .personal-note p { font-size: 24px; }
  .about .split > div:nth-child(2) { padding-top: 0; }
  .about .award { padding: 24px; margin-top: 36px; }
}
@media (prefers-reduced-motion: reduce) { .identity-cv svg, .details-sign { transition: none; } .identity-cv:hover svg { transform: none; } }

/* Finishing system: precise frames, tactile controls and quiet, one-shot motion. */
:root { --finish-ease: cubic-bezier(.22,1,.36,1); --finish-shadow: 0 14px 38px #142c2010; --finish-radius: 14px; }
:root[data-theme=dark] { --finish-shadow: 0 14px 38px #00000030; }
header { box-shadow: 0 4px 24px #142c2006; }
.reading-progress { position: absolute; inset: auto 0 -1px; height: 2px; background: var(--blue); transform-origin: left; pointer-events: none; }
header #primary-nav a { position: relative; text-decoration: none; }
header #primary-nav a::after { content: ''; position: absolute; left: 0; right: 0; bottom: 5px; height: 2px; background: var(--blue); transform: scaleX(0); transform-origin: left; transition: transform .28s var(--finish-ease); }
header #primary-nav a[aria-current=location]::after { transform: scaleX(1); }
.identity-portrait { border-radius: var(--finish-radius); background: var(--surface); box-shadow: var(--finish-shadow); }
.identity-portrait img { border-radius: 8px; }
.identity-portrait::before, .identity-portrait::after { border-color: var(--blue); border-radius: 3px; }
.identity-principles { border-top-color: var(--blue); }
.heading .label { display: flex; align-items: center; gap: 12px; }
.heading .label::before { content: ''; width: 22px; height: 1px; background: var(--blue); flex: none; }
#proyectos .feature { border-radius: 18px; border: 1px solid var(--line); box-shadow: var(--finish-shadow); background: linear-gradient(135deg,var(--surface),color-mix(in srgb,var(--surface) 94%,var(--blue))); }
#proyectos .feature > .feature-capture, #proyectos .project > .capture-button { border-radius: 12px; border: 1px solid var(--line); box-shadow: var(--finish-shadow); }
.capture-button img { transition: transform .75s var(--finish-ease); }
.capture-label { backdrop-filter: blur(12px); border-radius: 8px; box-shadow: 0 4px 16px #00000010; transition: background .2s ease, transform .3s var(--finish-ease); }
.case-study, .contact-form, .academic, .tool, .credential, .about .award { border-radius: var(--finish-radius); }
.case-study { box-shadow: 0 4px 20px #142c2006; }
.steps li { border-radius: 8px; }
.tool, .academic, .credential, .about .award { transition: border-color .25s ease, box-shadow .3s ease, transform .4s var(--finish-ease); }
.tool, #proyectos .project, .case-grid > div { animation: none; }
.button, .concept-preview, .project-filters button, .copy-email, .site-controls button, .theme-select, .preview-tabs button, .preview-close { transition: background-color .2s ease, border-color .2s ease, box-shadow .25s ease, transform .3s var(--finish-ease); }
.button { border-radius: 9px; box-shadow: 0 3px 0 #102e2520; }
.button:hover { background: #1c493f; border-color: #1c493f; }
.button.secondary:hover { background: var(--surface); border-color: var(--blue); color: var(--ink); }
.preview-dialog .button:hover { background: #0055aa; border-color: #0055aa; }
.button:active, .concept-preview:active, .project-filters button:active { transform: translateY(1px); box-shadow: none; }
.concept-preview { border-radius: 9px; color: var(--blue); }
.contact-form { box-shadow: var(--finish-shadow); border-top: 2px solid var(--blue); }
.contact-form input, .contact-form textarea { border-radius: 9px; transition: border-color .2s ease, background-color .2s ease, box-shadow .2s ease; }
.contact-form input:focus, .contact-form textarea:focus { border-color: var(--blue); background: var(--surface); box-shadow: 0 0 0 4px color-mix(in srgb,var(--blue) 12%,transparent); }
.project-brief summary, .credential-details > summary { transition: color .2s ease; }
.project-brief summary:hover, .credential-details > summary:hover { color: var(--blue); }
.project-brief[open] dl, .credential-details[open] .credential-grid, .case-study[open] .case-grid { animation: finish-detail .35s var(--finish-ease) both; }
/* Replace platform-dependent arrow glyphs with a crisp CSS arrow. */
.project .actions a::after { content: ''; width: 12px; height: 12px; min-width: 12px; border: 0; border-radius: 0; padding: 0; background: currentColor; mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath fill='none' stroke='black' stroke-width='1.5' d='M3 13 13 3M3 3h10v10'/%3E%3C/svg%3E") center/contain no-repeat; transition: transform .3s var(--finish-ease); }
.project .actions a:hover::after, .project.dark .actions a:hover::after { background: currentColor; }
.showcase-ready .showcase-reveal { transform: translateY(24px); transition: opacity .7s var(--finish-ease), transform .7s var(--finish-ease); }
.showcase-ready .showcase-reveal.visible { transform: none; }
.showcase-ready .identity-portrait { transition-delay: .1s; }
.showcase-ready .identity-principles > div:nth-child(2) { transition-delay: .08s; }
.showcase-ready .identity-principles > div:nth-child(3) { transition-delay: .16s; }
@keyframes finish-detail { from { opacity: 0; transform: translateY(7px); } to { opacity: 1; transform: none; } }
@media (hover:hover) and (pointer:fine) {
  header #primary-nav a:hover::after { transform: scaleX(1); }
  .tool:hover, .academic:hover, .credential:hover { transform: translateY(-4px); border-color: var(--blue); box-shadow: var(--finish-shadow); }
  .about .award:hover { border-color: var(--blue); box-shadow: var(--finish-shadow); }
  .capture-button:hover .capture-label { transform: translateY(-3px); }
  .project .actions a:hover::after { transform: translate(2px,-2px); }
  .concept-preview:hover { background: color-mix(in srgb,var(--blue) 8%,transparent); border-color: var(--blue); }
}
@media (max-width:640px) {
  header #primary-nav a::after { bottom: 0; right: auto; width: 24px; }
  #proyectos .feature { border-radius: 14px; }
  .identity-portrait { border-radius: 12px; }
}
@media (prefers-reduced-motion:reduce) {
  .reading-progress { display: none; }
  .showcase-ready .showcase-reveal { opacity: 1; transform: none; transition: none; }
  .project-brief[open] dl, .credential-details[open] .credential-grid, .case-study[open] .case-grid { animation: none; }
  .tool:hover, .academic:hover, .credential:hover, .button:hover, .button:active, .concept-preview:active, .project-filters button:active, .capture-button:hover .capture-label, .project .actions a:hover::after { transform: none; }
}

/* Editorial composition: consistent spacing and a clear end to the journey. */
.section { padding-block: clamp(64px,7vw,104px); }
.heading { align-items: end; gap: 40px; }
.heading > div { max-width: 650px; }
.heading > p { font-size: 15px; line-height: 1.75; max-width: 290px; padding-left: 20px; border-left: 1px solid var(--line); }
#proyectos .project { padding-block: 48px; gap: 16px 56px; }
#proyectos .project h3 { font-size: clamp(30px,3vw,40px); letter-spacing: -.045em; }
#proyectos .project .number { font-family: ui-monospace,Consolas,monospace; font-size: 11px; letter-spacing: .06em; color: var(--blue); }
#proyectos .project .project-subtitle { font-size: 18px!important; line-height: 1.5; color: var(--ink); }
#proyectos .project > p:not(.project-subtitle):not(.stack) { font-size: 15px; line-height: 1.8; }
#proyectos .project > .capture-button { padding: 14px; background: color-mix(in srgb,var(--surface) 85%,var(--line)); align-self: start; }
#proyectos .project .capture-button img { border-radius: 6px; }
#proyectos .project .actions { padding-top: 4px; }
#proyectos .project .actions a { gap: 12px; font-size: 14px; }
#proyectos .project .actions a::after { position: static; margin-left: 4px; }
.project-brief { margin-top: 4px; }
.project-brief summary { font-weight: 500; }
.project-filters button { border-radius: 9px; }
.project-browser { padding-bottom: 20px; border-bottom: 1px solid var(--line); }
.tech-tags li, .project .capabilities li { border-radius: 6px; font-size: 12px; padding: 6px 9px; }
.about { border-block: 1px solid #5a7368; }
.about .award { background: color-mix(in srgb,var(--surface) 75%,transparent); }
#tecnologias > .wrap > .label { font-family: ui-monospace,Consolas,monospace; font-size: 12px; color: var(--blue); }
.tools { grid-template-columns: repeat(3,minmax(0,1fr)); gap: 16px; }
.tool { padding: 28px; min-height: 0; display: flex; flex-direction: column; }
.tool-icon { width: 42px; height: 42px; margin-bottom: 22px; border-radius: 10px; border-color: var(--line); background: var(--bg); color: var(--blue); }
.tool-icon svg { width: 23px; height: 23px; }
.tool h3 { font-size: 21px; line-height: 1.3; letter-spacing: -.025em; }
.tool .tool-purpose { font-size: 14px; line-height: 1.75; margin: 14px 0 24px; color: var(--gray); }
.tool .stack-icons { margin-top: auto; padding-top: 18px; border-top: 1px solid var(--line); gap: 10px 16px; }
.tool .stack-icons li { font-size: 12px; }
.academic { padding: 32px; border-left: 3px solid var(--blue); }
.academic h3 { font-size: clamp(24px,3vw,32px); line-height: 1.25; }
.credential-status.studying { border-radius: 6px; }
.contact { padding: 96px 28px; background: var(--bg); border-color: var(--line); }
.contact-shell { max-width: 1064px; display: grid; grid-template-columns: .95fr 1.05fr; gap: 72px; align-items: start; }
.contact-intro { min-width: 0; padding-top: 24px; }
.contact-intro .eyebrow { font-family: ui-monospace,Consolas,monospace; font-size: 12px; color: var(--blue); }
.contact-intro h2 { font-size: clamp(36px,4.2vw,56px); }
.contact-intro .contact-copy { font-size: 16px; line-height: 1.8; margin-block: 26px; }
.contact-intro > .button { display: none; }
.contact-intro .email-row { margin-top: 32px; display: flex; flex-direction: column; align-items: start; gap: 12px; }
.contact-intro .email-row > a { font-size: clamp(16px,2vw,21px); letter-spacing: -.02em; overflow-wrap: anywhere; }
.copy-email { border-radius: 7px; font-size: 12px; padding: 8px 12px; min-height: 40px; }
.contact-intro .social { justify-content: start; margin-top: 28px; gap: 24px; }
.contact-intro .social a { font-size: 14px; }
.contact-shell .contact-form { width: 100%; margin: 0; padding: 32px; }
.contact-form h3 { font-size: 23px; letter-spacing: -.025em; }
.contact-form label { font-size: 13px; }
.contact-form .button { width: 100%; }
footer { background: var(--surface); border-color: var(--line); }
.footer-identity .brand { font-family: Georgia,serif; font-style: italic; font-size: 38px; font-weight: 400; color: var(--blue); }
.footer-identity p { max-width: 320px; }
.footer-resources nav a { color: var(--gray); }
@media (max-width:1000px) {
  .tools { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .contact-shell { gap: 36px; }
}
@media (max-width:760px) {
  .heading { align-items: start; gap: 24px; }
  .heading > p { padding-left: 0; border: 0; max-width: 100%; }
  .contact { padding: 64px 22px; }
  .contact-shell { grid-template-columns: 1fr; gap: 32px; }
  .contact-intro { padding-top: 0; }
  .contact-shell .contact-form { padding: 24px; }
  .contact-intro .email-row { margin-top: 24px; }
  .academic { padding: 24px; }
}
@media (max-width:640px) {
  .tools { grid-template-columns: 1fr; }
  .tool { padding: 24px; }
  #proyectos .project { padding-block: 36px; gap: 16px; }
  #proyectos .project > .capture-button { padding: 10px; }
  .project-browser { align-items: start; flex-direction: column; gap: 14px; }
}
#tecnologias .stack-icons li { min-height: 36px; padding: 7px 9px; gap: 7px; font-size: 11px; border-radius: 7px; }
#tecnologias .stack-icons li > svg { width: 20px; height: 20px; min-width: 20px; max-width: 20px; }
:root[data-theme=dark] .stack-icons li:has(use[href="#si-express"]) svg,
:root[data-theme=dark] .stack-icons li:has(use[href="#si-github"]) svg,
:root[data-theme=dark] .stack-icons li:has(use[href="#si-owasp"]) svg,
:root[data-theme=dark] .stack-carousel-icon svg:has(use[href="#si-express"]),
:root[data-theme=dark] .stack-carousel-icon svg:has(use[href="#si-github"]),
:root[data-theme=dark] .stack-carousel-icon svg:has(use[href="#si-owasp"]) { filter: invert(1); }
:root[data-theme=dark] svg:has(use[href="#si-pandas"]) { filter: brightness(2.4); }

/* Navigation remains usable without scripting; anchor spacing follows the header. */
html { scroll-padding-top: var(--header-offset,100px); }
#caso-psiconectados { scroll-margin-top: 0; }
html:not(.navigation-ready) .menu-toggle { display: none; }
html:not(.navigation-ready) .nav #primary-nav { display: flex; }
html:not(.navigation-ready) { scroll-padding-top: 24px; }
html:not(.navigation-ready) header { position: static; }
@media (max-width:760px) {
  .nav { flex-wrap: wrap; gap: 8px; padding-block: 10px; }
  .personal-brand { margin-right: auto; }
  .site-controls { order: 2; margin-left: 0; }
  .navigation-ready .menu-toggle { display: inline-flex; align-items: center; justify-content: center; order: 3; min-height: 44px; border-radius: 8px; background: var(--surface); border-color: var(--line); color: var(--ink); }
  .nav #primary-nav { order: 4; width: 100%; flex-basis: 100%; flex-direction: column; gap: 0; padding: 6px 0; }
  .navigation-ready .nav #primary-nav { display: none; }
  .navigation-ready .nav #primary-nav.is-open { display: flex; animation: finish-detail .2s var(--finish-ease) both; }
  .nav #primary-nav a { min-height: 48px; border-color: var(--line); padding-inline: 12px; border-radius: 6px; }
  .nav #primary-nav a[aria-current=location] { background: color-mix(in srgb,var(--blue) 8%,transparent); }
  .nav #primary-nav a::after { display: none; }
}
@media (prefers-reduced-motion:reduce) { .navigation-ready .nav #primary-nav.is-open { animation: none; } }

/* Preview chrome belongs to the same personal identity as the portfolio. */
.preview-dialog { background: var(--surface); color: var(--ink); border-color: var(--line); border-radius: 18px; }
.preview-toolbar { border-color: var(--line); padding: 24px 28px 20px; }
.preview-category { color: var(--gray); font-family: ui-monospace,Consolas,monospace; font-size: 11px; }
.preview-toolbar h2 { font-size: clamp(24px,3vw,34px); line-height: 1.15; }
.preview-close, .preview-tabs button { background: var(--surface); color: var(--ink); border-color: var(--line); border-radius: 8px; }
.preview-tabs [aria-selected=true] { background: #24594f; border-color: #24594f; color: #fff; }
.preview-stage { background: var(--bg); }
.preview-device { border-color: var(--line); box-shadow: var(--finish-shadow); }
.preview-footer { background: var(--surface); border-color: var(--line); }
.preview-footer p, .preview-footer .preview-caption { color: var(--gray); }
.preview-dialog .button { background: #24594f; border-color: #24594f; }
.preview-dialog .button:hover { background: #1c493f; border-color: #1c493f; }
.preview-dialog :focus-visible { outline-color: var(--blue); }
.preview-load-state { min-height: 240px; padding: 40px 24px; display: grid; place-content: center; justify-items: center; gap: 20px; background: var(--surface); }
.preview-load-state p { color: var(--gray); margin: 0; font-size: 15px; }
.preview-load-state[data-state=loading]::before { content: ''; width: 28px; height: 28px; border: 2px solid var(--line); border-top-color: var(--blue); border-radius: 50%; animation: preview-loading .8s linear infinite; }
.preview-load-state[data-state=loading] + .preview-screen { display: none; }
.preview-load-state[data-state=error] + .preview-screen { display: none; }
.preview-load-state[hidden] + .preview-screen:not([hidden]) { display: block; }
@keyframes preview-loading { to { transform: rotate(360deg); } }
@media (max-width:640px) {
  .preview-toolbar { padding: 18px 16px; }
  .preview-tabs { gap: 8px; }
  .preview-tabs button { flex: 1; padding-inline: 8px; }
  .preview-stage { padding: 14px; }
  .preview-footer .preview-caption { font-size: 11px; }
  .preview-footer p { font-size: 13px; }
}
@media (prefers-reduced-motion:reduce) { .preview-load-state[data-state=loading]::before { animation: none; } }
.preview-cta, .concept-preview { display: inline-flex; align-items: center; justify-content: center; gap: 10px; }
.preview-cta::after, .concept-preview::after { content: ''; width: 12px; height: 12px; flex: none; background: currentColor; mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath fill='none' stroke='black' stroke-width='1.5' d='M3 13 13 3M3 3h10v10'/%3E%3C/svg%3E") center/contain no-repeat; }