:root {
  --ink: #122631;
  --ink-soft: #2c4550;
  --paper: #f4efe5;
  --paper-deep: #e7ddca;
  --signal: #cf5543;
  --line: rgba(18, 38, 49, .2);
  --serif: "Manrope", Arial, sans-serif;
  --sans: "Manrope", Arial, sans-serif;
  --mono: "DM Mono", monospace;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--paper); color: var(--ink); font-family: var(--sans); line-height: 1.5; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; }
button { cursor: pointer; }

.skip-link { position: fixed; left: 1rem; top: -4rem; z-index: 20; background: var(--signal); color: white; padding: .75rem 1rem; }
.skip-link:focus { top: 1rem; }
.section-shell { padding-left: max(1.5rem, calc((100vw - 1280px) / 2)); padding-right: max(1.5rem, calc((100vw - 1280px) / 2)); }
.section-rule { border-top: 1px solid var(--line); }

.site-header { min-height: 5.3rem; display: flex; align-items: center; justify-content: space-between; gap: 2rem; padding: 1rem max(1.5rem, calc((100vw - 1280px) / 2)); border-bottom: 1px solid var(--line); position: sticky; top: 0; z-index: 10; background: rgba(244,239,229,.94); backdrop-filter: blur(14px); }
.brand { display: inline-flex; align-items: center; gap: .6rem; font: 500 .72rem/1.05 var(--mono); letter-spacing: .13em; }
.brand-mark { display: grid; width: 2.25rem; height: 2.25rem; place-items: center; border: 1px solid currentColor; border-radius: 50%; letter-spacing: -.1em; font-family: var(--serif); font-size: .95rem; }
.site-header nav { display: flex; gap: 1.75rem; font-size: .87rem; }
.site-header nav a { transition: color .2s ease; }
.site-header nav a:hover, .text-link:hover { color: var(--signal); }
.header-cta { font-size: .82rem; font-weight: 700; border-bottom: 1px solid var(--ink); padding-bottom: .2rem; }

.flash { position: fixed; z-index: 30; right: 1.2rem; top: 6.4rem; max-width: 28rem; padding: .9rem 1rem; box-shadow: 0 8px 24px rgba(18,38,49,.18); font-size: .9rem; }
.flash--success { color: white; background: var(--ink); }
.flash--error { color: white; background: var(--signal); }

.hero { min-height: 47rem; display: grid; grid-template-columns: minmax(0, 1fr); align-items: center; position: relative; isolation: isolate; overflow: hidden; padding-top: 6rem; padding-bottom: 7rem; color: var(--paper); background: url("../images/gustavo-baron-jornadas-trip-2017.jpg") center 48% / cover no-repeat; }
.hero::before { content: ""; position: absolute; z-index: 0; inset: -1rem; background: url("../images/gustavo-baron-jornadas-trip-2017.jpg") center 48% / cover no-repeat; filter: blur(8px); transform: scale(1.03); -webkit-mask-image: linear-gradient(90deg, #000 0%, #000 44%, transparent 68%); mask-image: linear-gradient(90deg, #000 0%, #000 44%, transparent 68%); }
.hero::after { content: ""; position: absolute; z-index: 1; inset: 0; background: linear-gradient(90deg, rgba(7,22,29,.9) 0%, rgba(7,22,29,.77) 41%, rgba(7,22,29,.22) 67%, rgba(7,22,29,.12) 100%), linear-gradient(0deg, rgba(7,22,29,.42), transparent 48%); }
.eyebrow { margin: 0 0 1rem; color: var(--signal); font: 500 .68rem/1.3 var(--mono); text-transform: uppercase; letter-spacing: .1em; }
h1, h2, h3, p { margin-top: 0; }
h1 { max-width: 14ch; margin-bottom: 2rem; font: 800 clamp(3.25rem, 6.8vw, 7rem)/.98 var(--serif); letter-spacing: -.07em; }
h1 em, h2 em { color: var(--signal); font-weight: 500; }
.hero .eyebrow { color: #f3a195; }
.hero h1 { max-width: 11.5ch; }
.hero h1 em { color: #f3a195; }
.hero-intro { max-width: 38rem; font-size: clamp(1.05rem, 1.5vw, 1.3rem); color: rgba(244,239,229,.84); }
.hero-copy, .hero-index { position: relative; z-index: 2; }
.hero-actions { display: flex; align-items: center; gap: 1.6rem; margin-top: 2.4rem; }
.button { display: inline-flex; gap: .85rem; align-items: center; justify-content: center; padding: .95rem 1.2rem; border: 1px solid transparent; font-size: .84rem; font-weight: 700; transition: transform .2s ease, background .2s ease; }
.button:hover { transform: translateY(-2px); }
.button--ink { color: var(--paper); background: var(--ink); }
.button--paper { color: var(--ink); background: var(--paper); }
.button--outline { color: var(--ink); background: transparent; border-color: var(--ink); }
.text-link { font-size: .88rem; font-weight: 700; border-bottom: 1px solid currentColor; padding-bottom: .18rem; transition: color .2s ease; }
.hero .button--ink { color: var(--ink); background: var(--paper); }
.hero .text-link { color: var(--paper); }
.hero .text-link:hover { color: #f3a195; }

.evidence-ledger { align-self: stretch; padding: 2rem 0 1.7rem 1.75rem; border-left: 1px solid var(--ink); display: flex; flex-direction: column; justify-content: center; }
.ledger-row { display: grid; grid-template-columns: 5rem 1fr; gap: .8rem; padding: 1.15rem 0; border-bottom: 1px solid var(--line); font-size: .9rem; }
.ledger-row span { color: var(--signal); font: .72rem var(--mono); }
.ledger-row strong { font-weight: 500; }
.ledger-callout { margin-top: 2rem; padding: 1.15rem; background: var(--ink); color: var(--paper); }
.ledger-callout p { margin: 0; font: 600 1rem/1.35 var(--serif); }
.signal-dot { display: block; width: .55rem; height: .55rem; margin-bottom: .7rem; border-radius: 50%; background: var(--signal); }
.hero-index { position: absolute; bottom: 1.7rem; left: max(1.5rem, calc((100vw - 1280px) / 2)); margin: 0; font: .65rem var(--mono); letter-spacing: .08em; color: rgba(244,239,229,.7); }

.thesis { padding-top: 7rem; padding-bottom: 7rem; }
.section-heading { max-width: 54rem; }
h2 { margin-bottom: 2.5rem; font: 800 clamp(2.45rem, 4.8vw, 5.2rem)/1.02 var(--serif); letter-spacing: -.065em; }
.signal-grid { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.signal-grid article { min-height: 15rem; padding: 1.4rem 1.3rem 1.3rem 0; border-right: 1px solid var(--line); }
.signal-grid article + article { padding-left: 1.3rem; }
.signal-grid article:last-child { border-right: 0; }
.signal-grid span, .talk-list > article > span:first-child { color: var(--signal); font: .72rem var(--mono); }
.signal-grid h3 { margin: 2.3rem 0 .8rem; font: 700 1.5rem/1.1 var(--serif); letter-spacing: -.055em; }
.signal-grid p { max-width: 15rem; margin: 0; color: var(--ink-soft); font-size: .9rem; }
.thesis-turn { display: grid; grid-template-columns: minmax(14rem, .72fr) minmax(0, 1.28fr); gap: clamp(2rem, 8vw, 8rem); margin-top: 4rem; padding: 2.35rem 0; border-bottom: 1px solid var(--line); }
.thesis-turn h3 { max-width: 11ch; margin: 0; font: 700 clamp(2rem, 3.2vw, 3.25rem)/1.02 var(--serif); letter-spacing: -.065em; }
.thesis-turn-copy { max-width: 42rem; margin: 0; color: var(--ink-soft); font-size: clamp(1rem, 1.5vw, 1.2rem); }
.selection-sequence { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); margin-top: 2rem; border: 1px solid var(--line); }
.selection-sequence > div { min-height: 8rem; padding: 1.25rem; }
.selection-sequence > div + div { border-left: 1px solid var(--line); }
.selection-sequence span { display: block; margin-bottom: 1.8rem; color: var(--signal); font: .62rem var(--mono); letter-spacing: .08em; }
.selection-sequence p { max-width: 18rem; margin: 0; font: 600 1rem/1.35 var(--serif); letter-spacing: -.025em; }
.selection-sequence b { color: var(--signal); font-weight: 500; }
.selection-sequence--proposal { color: var(--paper); background: var(--ink); }
.selection-sequence--proposal span { color: #f3a195; }
.thesis-close { max-width: 40rem; margin: 3.4rem 0 0 auto; font: 600 1.3rem/1.35 var(--serif); letter-spacing: -.035em; }

.book { min-height: 42rem; padding-top: 7rem; padding-bottom: 7rem; display: grid; grid-template-columns: .8fr 1fr; align-items: center; gap: clamp(3rem, 12vw, 13rem); background: var(--ink); color: var(--paper); }
.book-object { width: min(19rem, 80%); margin: auto; transform: rotate(-3deg); }
.book-object img { display: block; width: 100%; height: auto; box-shadow: 1.2rem 1.35rem 0 rgba(207,85,67,.9); }
.book-copy { max-width: 35rem; }
.book-copy .eyebrow { color: #f3a195; }
.book-copy h2 { margin-bottom: 1.2rem; }
.book-subtitle { margin: -.7rem 0 1.6rem; color: #f3a195; font: .72rem var(--mono); text-transform: uppercase; letter-spacing: .08em; }
.large-copy { font: 600 clamp(1.22rem, 2vw, 1.65rem)/1.35 var(--serif); letter-spacing: -.045em; }
.book-copy > p:not(.eyebrow):not(.large-copy):not(.book-subtitle) { color: rgba(244,239,229,.75); }
.book-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 1.35rem; margin-top: 1.7rem; }
.book-actions .button { margin: 0; }
.book-amazon { color: var(--paper); font-size: .82rem; font-weight: 700; border-bottom: 1px solid currentColor; padding-bottom: .18rem; }
.book-amazon:hover { color: #f3a195; }

.speaking { padding-top: 7rem; padding-bottom: 7rem; }
.section-heading--split { max-width: none; display: grid; grid-template-columns: 1.5fr .5fr; gap: 4rem; }
.section-heading--split h2 { max-width: 55rem; }
.section-heading--split > p { margin: 2.3rem 0 0; color: var(--ink-soft); }
.talk-list { border-top: 1px solid var(--line); }
.talk-list article { min-height: 12rem; display: grid; grid-template-columns: 5rem 1.35fr .8fr .55fr; gap: 1.5rem; align-items: center; padding: 1.2rem 0; border-bottom: 1px solid var(--line); }
.talk-list h3 { margin: 0; font: 700 clamp(1.45rem, 2.5vw, 2.25rem)/1.06 var(--serif); letter-spacing: -.065em; }
.talk-list p { margin: 0; color: var(--ink-soft); font-size: .9rem; }
.talk-format { justify-self: end; font: .62rem var(--mono); letter-spacing: .05em; }
.stage-proof { display: grid; grid-template-columns: minmax(15rem, .7fr) minmax(0, 1.3fr); gap: clamp(2rem, 5vw, 6rem); margin-top: 5rem; padding-top: 2rem; border-top: 1px solid var(--line); }
.stage-proof-copy { align-self: center; }
.stage-proof-copy h3 { max-width: 19rem; margin: 0 0 1.1rem; font: 700 clamp(1.7rem, 2.8vw, 2.6rem)/1.05 var(--serif); letter-spacing: -.065em; }
.stage-proof-copy > p:not(.eyebrow):not(.stage-proof-note) { max-width: 25rem; margin-bottom: 1.4rem; color: var(--ink-soft); font-size: .93rem; }
.stage-proof-note { margin: 0; color: var(--signal); font: .67rem/1.45 var(--mono); letter-spacing: .06em; }
.stage-gallery { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1rem; align-items: start; }
.stage-shot { margin: 0; }
.stage-shot img { display: block; width: 100%; object-fit: cover; }
.stage-shot--des img { aspect-ratio: 1.35; object-position: center 52%; }
.stage-shot--google img { aspect-ratio: 1.35; object-position: 62% center; }
.stage-shot--w3c img { aspect-ratio: 1.35; object-position: center; }
.stage-shot figcaption { padding-top: .55rem; color: var(--ink-soft); font: .62rem/1.35 var(--mono); letter-spacing: .04em; }
.photo-archive { margin-top: 4rem; padding-top: 2rem; border-top: 1px solid var(--line); }
.photo-archive-heading { display: flex; align-items: end; justify-content: space-between; gap: 3rem; margin-bottom: 1.7rem; }
.photo-archive-heading h3 { margin: 0; font: 700 clamp(1.7rem, 2.8vw, 2.6rem)/1.05 var(--serif); letter-spacing: -.065em; }
.photo-archive-heading > p { max-width: 22rem; margin: 0; color: var(--ink-soft); font-size: .9rem; }
.photo-archive-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1rem; }
.photo-archive-shot { position: relative; margin: 0; overflow: hidden; background: var(--ink); }
.photo-archive-shot img { display: block; width: 100%; aspect-ratio: 1.35; object-fit: cover; object-position: center; transition: transform .35s ease; }
.photo-archive-shot:hover img { transform: scale(1.03); }
.photo-archive-shot figcaption { position: absolute; right: 0; bottom: 0; left: 0; margin: 0; padding: 2.5rem .8rem .7rem; color: var(--paper); background: linear-gradient(transparent, rgba(18,38,49,.88)); font: .62rem/1.35 var(--mono); letter-spacing: .04em; }
.photo-archive-shot figcaption a { color: inherit; }
.photo-archive-shot--wide { grid-column: span 3; }
.photo-archive-shot--wide img { aspect-ratio: 2.2; object-position: center 48%; }
.event-proof { margin-top: 6rem; padding-top: 2rem; border-top: 1px solid var(--line); }
.event-list { border-top: 1px solid var(--line); }
.event-list article { display: grid; grid-template-columns: 6rem 1fr 2rem; gap: 1rem; padding: 1rem 0; align-items: center; border-bottom: 1px solid var(--line); }
.event-list time { color: var(--signal); font: .68rem var(--mono); }
.event-list h3 { margin: 0; font: 700 1rem/1.25 var(--serif); letter-spacing: -.03em; }
.event-list p { margin: .3rem 0 0; color: var(--ink-soft); font-size: .8rem; }
.event-list a { justify-self: end; font-size: 1.2rem; }

.speaker-form, .contact-form { margin-top: 5rem; padding: clamp(1.5rem, 4vw, 3.5rem); display: grid; grid-template-columns: repeat(2, 1fr); gap: 1rem 1.4rem; background: var(--paper-deep); }
.form-intro, .speaker-form label:nth-last-of-type(1), .consent, .speaker-form button, .contact-form label:nth-last-of-type(1), .contact-form button { grid-column: 1 / -1; }
.form-intro h3 { max-width: 26rem; margin: 0; font: 700 1.8rem/1.1 var(--serif); letter-spacing: -.06em; }
label { display: grid; gap: .4rem; color: var(--ink-soft); font-size: .78rem; font-weight: 700; }
input, textarea, select { width: 100%; min-width: 0; padding: .7rem 0; border: 0; border-bottom: 1px solid var(--ink); background: transparent; color: var(--ink); border-radius: 0; outline-offset: .2rem; }
textarea { resize: vertical; }
input:focus, textarea:focus, select:focus { outline: 2px solid var(--signal); }
.consent { grid-template-columns: 1.1rem 1fr; align-items: start; margin-top: .5rem; font-weight: 400; }
.consent input { width: 1rem; margin-top: .25rem; }
.speaker-form button, .contact-form button { justify-self: start; margin-top: .5rem; }
.honeypot { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

.trajectory { padding-top: 7rem; padding-bottom: 7rem; background: var(--paper-deep); }
.trajectory .section-heading--split > p { max-width: 19rem; }
.trajectory-profile-link { display: inline-block; margin-top: 1.2rem; color: var(--ink); font-size: .78rem; font-weight: 700; border-bottom: 1px solid currentColor; padding-bottom: .16rem; }
.trajectory-profile-link:hover { color: var(--signal); }
.trajectory-list { margin-top: 1.5rem; border-top: 1px solid var(--line); }
.trajectory-list article { display: grid; grid-template-columns: 7rem minmax(0, 1fr) 10rem; gap: 1.5rem; align-items: center; padding: 1.65rem 0; border-bottom: 1px solid var(--line); }
.trajectory-date, .trajectory-tag { margin: 0; color: var(--signal); font: .68rem var(--mono); letter-spacing: .06em; }
.trajectory-list h3 { margin: 0 0 .45rem; font: 700 clamp(1.3rem, 2.15vw, 1.8rem)/1.08 var(--serif); letter-spacing: -.055em; }
.trajectory-list div > p { max-width: 43rem; margin: 0; color: var(--ink-soft); font-size: .9rem; }
.trajectory-tag { justify-self: end; text-align: right; }
.trajectory-link { justify-self: end; font-size: .78rem; font-weight: 700; border-bottom: 1px solid currentColor; padding-bottom: .16rem; }
.trajectory-link:hover { color: var(--signal); }
.trajectory-evidence { display: grid; justify-items: end; gap: .4rem; }
.trajectory-evidence a { color: var(--ink-soft); font: .62rem var(--mono); letter-spacing: .04em; text-align: right; }
.trajectory-evidence a:hover { color: var(--signal); }
.education-note { display: grid; grid-template-columns: 7rem minmax(0, 43rem); gap: 1.5rem; margin-top: 3.2rem; padding-top: 1.5rem; border-top: 1px solid var(--ink); }
.education-note .eyebrow { margin: .25rem 0 0; color: var(--ink); }
.education-note > p:last-child { margin: 0; color: var(--ink-soft); font-size: .93rem; }

.buscos { padding-top: 7rem; padding-bottom: 7rem; background: var(--signal); color: var(--paper); }
.buscos .eyebrow { color: var(--ink); }
.buscos-grid { display: grid; grid-template-columns: 1.1fr .65fr; gap: 7rem; align-items: end; }
.buscos h2 { max-width: 16ch; margin: 0; }
.buscos-grid > div { max-width: 27rem; }
.buscos-grid p:not(.large-copy) { color: rgba(244,239,229,.83); }
.buscos .text-link { color: var(--ink); }

.community { padding-top: 7rem; padding-bottom: 7rem; display: grid; grid-template-columns: 1fr .8fr; gap: 8rem; background: var(--ink); color: var(--paper); }
.community .eyebrow { color: #f3a195; }
.community h2 { margin-bottom: 1rem; color: var(--signal); }
.newsletter-form { display: grid; gap: 1rem; align-content: center; }
.newsletter-form label { color: rgba(244,239,229,.78); }
.newsletter-form input, .newsletter-form select { color: var(--paper); border-bottom-color: rgba(244,239,229,.65); }
.newsletter-form select option { color: var(--ink); }
.newsletter-form .consent { color: rgba(244,239,229,.75); }
.newsletter-form button { justify-self: start; margin-top: .7rem; }

.contact { padding-top: 7rem; padding-bottom: 7rem; display: grid; grid-template-columns: .85fr 1fr; gap: 8rem; }
.contact h2 { max-width: 12ch; }
.contact > div > p:not(.eyebrow) { max-width: 31rem; color: var(--ink-soft); }
.contact-form { margin-top: 0; align-self: start; }
.site-footer { min-height: 9rem; display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 2rem; align-items: center; border-top: 1px solid var(--line); color: var(--ink-soft); font-size: .75rem; }
.site-footer > :last-child { text-align: right; }

@media (max-width: 850px) {
  .site-header { gap: 1rem; }
  .site-header nav { display: none; }
  .header-cta { margin-left: auto; }
  .hero { min-height: auto; grid-template-columns: 1fr; gap: 3rem; padding-top: 4.5rem; padding-bottom: 5.5rem; }
  .signal-grid { grid-template-columns: repeat(2, 1fr); }
  .signal-grid article:nth-child(2) { border-right: 0; }
  .signal-grid article:nth-child(n+3) { border-top: 1px solid var(--line); }
  .signal-grid article:nth-child(3) { padding-left: 0; }
  .book, .community, .contact, .thesis-turn { grid-template-columns: 1fr; gap: 3.5rem; }
  .book-object { width: min(15rem, 70%); }
  .section-heading--split, .buscos-grid { grid-template-columns: 1fr; gap: 0; }
  .section-heading--split > p { margin: 0 0 2rem; }
  .talk-list article { grid-template-columns: 3.5rem 1fr; gap: 1rem; padding: 1.6rem 0; }
  .talk-list article > p { grid-column: 2; }
  .talk-format { grid-column: 2; justify-self: start; }
  .stage-proof { grid-template-columns: 1fr; gap: 2rem; }
  .stage-proof-copy h3 { max-width: 26rem; }
  .photo-archive-heading { display: block; }
  .photo-archive-heading > p { margin-top: 1rem; }
  .trajectory-list article { grid-template-columns: 5.5rem 1fr; gap: 1rem; }
  .trajectory-tag, .trajectory-link, .trajectory-evidence { grid-column: 2; justify-self: start; text-align: left; }
  .trajectory-evidence { justify-items: start; }
  .education-note { grid-template-columns: 1fr; gap: .4rem; }
  .speaker-form, .contact-form { grid-template-columns: 1fr; }
  .speaker-form > *, .contact-form > * { grid-column: 1 / -1 !important; }
  .site-footer { grid-template-columns: 1fr; padding-top: 2rem; padding-bottom: 2rem; }
  .site-footer > :last-child { text-align: left; }
}

@media (max-width: 520px) {
  .section-shell { padding-left: 1.15rem; padding-right: 1.15rem; }
  .site-header { padding-left: 1.15rem; padding-right: 1.15rem; }
  .header-cta { font-size: .72rem; }
  h1 { font-size: clamp(3.15rem, 15vw, 4.5rem); }
  h2 { font-size: clamp(2.4rem, 12.5vw, 3.5rem); }
  .hero-actions { align-items: flex-start; flex-direction: column; }
  .signal-grid { grid-template-columns: 1fr; }
  .signal-grid article, .signal-grid article + article { padding: 1.4rem 0; border-right: 0; border-top: 1px solid var(--line); }
  .signal-grid article:first-child { border-top: 0; }
  .thesis-turn { gap: 1.8rem; margin-top: 3rem; }
  .selection-sequence { grid-template-columns: 1fr; }
  .selection-sequence > div + div { border-top: 1px solid var(--line); border-left: 0; }
  .speaker-form, .contact-form { padding: 1.25rem; }
  .stage-gallery { grid-template-columns: 1fr; }
  .stage-shot--des img, .stage-shot--google img, .stage-shot--w3c img { aspect-ratio: 1.35; }
  .photo-archive-grid { grid-template-columns: 1fr; }
  .photo-archive-shot--wide { grid-column: auto; }
  .photo-archive-shot--wide img { aspect-ratio: 1.5; }
  .event-list article { grid-template-columns: 4.6rem 1fr 1rem; }
}