:root {
  --ink: #0B1F3A;
  --muted: #666d73;
  --paper: #ffffff;
  --soft: #F6F4EE;
  --line: #deded9;
  --accent: #C6A15B;
  --dark: #08182D;
  --max: 1220px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: Arial, Helvetica, sans-serif;
  line-height: 1.6;
}

a {
  color: inherit;
}

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


/* NAV */

.topbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,.96);
  border-bottom: 1px solid var(--line);
}

.nav-wrap {
  max-width: var(--max);
  min-height: 78px;
  margin: auto;
  padding: 0 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}

.brand {
  text-decoration: none;
  display: flex;
  flex-direction: column;
  line-height: 1;
  letter-spacing: .08em;
}

.brand-name {
  font-size: 11px;
  color: var(--muted);
}

.brand-last {
  margin-top: 5px;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 22px;
  font-weight: 700;
}

nav {
  display: flex;
  align-items: center;
  gap: 23px;
}

nav a {
  font-size: 13px;
  text-decoration: none;
  color: #333;
}

nav a:hover {
  color: var(--accent);
}

.menu-btn {
  display: none;
  border: 0;
  background: transparent;
  font-size: 25px;
  cursor: pointer;
}


/* HERO */

.hero {
  max-width: var(--max);
  margin: auto;
  padding: 72px 28px 80px;
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  gap: 72px;
  align-items: center;
}

.eyebrow,
.section-label {
  display: inline-block;
  margin-bottom: 20px;
  color: var(--accent);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .19em;
}

.hero h1 {
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(48px, 6vw, 82px);
  line-height: .98;
  font-weight: 400;
  letter-spacing: -.04em;
}

.hero h1 strong {
  font-weight: 700;
}

.hero-role {
  margin: 30px 0 10px;
  font-size: 19px;
  font-weight: 600;
}

.hero-description {
  max-width: 610px;
  margin: 0;
  color: var(--muted);
  font-size: 16px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 34px;
}

.btn {
  min-height: 48px;
  padding: 12px 21px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  font-size: 13px;
  font-weight: 700;
}

.btn.primary {
  color: #fff;
  background: var(--ink);
}

.btn.secondary {
  border: 1px solid var(--ink);
  background: transparent;
}

.hero-photo {
  position: relative;
}

.hero-photo::before {
  content: "";
  position: absolute;
  top: -18px;
  right: -18px;
  width: 42%;
  height: 45%;
  border-top: 3px solid var(--accent);
  border-right: 3px solid var(--accent);
  z-index: -1;
}

.hero-photo img {
  width: 100%;
  aspect-ratio: 1 / 1.04;
  object-fit: cover;
  object-position: center 30%;
}


/* QUOTE */

.quote-section {
  padding: 76px 28px;
  text-align: center;
  background: var(--dark);
  color: white;
}

.quote-section blockquote {
  max-width: 900px;
  margin: auto;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(27px, 4vw, 43px);
  line-height: 1.25;
}

.quote-section p {
  margin-top: 22px;
  color: #bbb;
  font-size: 13px;
  letter-spacing: .12em;
  text-transform: uppercase;
}


/* GENERAL SECTIONS */

.section {
  max-width: var(--max);
  margin: auto;
  padding: 105px 28px;
}

.section.soft,
.section.dark {
  max-width: none;
  padding-left: max(28px, calc((100% - var(--max)) / 2 + 28px));
  padding-right: max(28px, calc((100% - var(--max)) / 2 + 28px));
}

.soft {
  background: var(--soft);
}

.dark {
  background: var(--dark);
  color: white;
}

.section h2 {
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(35px, 4vw, 54px);
  line-height: 1.08;
  letter-spacing: -.025em;
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 90px;
}

.about-text {
  color: var(--muted);
  font-size: 17px;
}

.about-text p:first-child {
  margin-top: 0;
}

.section-heading {
  margin-bottom: 55px;
  display: grid;
  grid-template-columns: 1fr .65fr;
  gap: 70px;
  align-items: end;
}

.section-heading p {
  margin: 0;
  color: var(--muted);
}

.dark .section-heading p {
  color: #aaa;
}

.light {
  color: #d7a8ad;
}


/* TIMELINE */

.timeline {
  border-top: 1px solid var(--line);
}

.timeline-item {
  padding: 30px 0;
  border-bottom: 1px solid var(--line);
  display: grid;
  grid-template-columns: 130px 1fr 1fr 160px;
  gap: 25px;
  align-items: center;
}

.timeline-item span {
  color: var(--accent);
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
}

.timeline-item h3,
.timeline-item p,
.timeline-item small {
  margin: 0;
}

.timeline-item h3 {
  font-family: Georgia, "Times New Roman", serif;
  font-size: 22px;
}

.timeline-item p,
.timeline-item small {
  color: var(--muted);
}


/* CARDS */

.cards {
  display: grid;
  grid-template-columns: repeat(4,1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.card {
  min-height: 300px;
  padding: 28px;
  background: white;
}

.card span {
  color: var(--accent);
  font-size: 12px;
}

.card h3 {
  margin: 70px 0 15px;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 25px;
}

.card p {
  color: var(--muted);
  font-size: 14px;
}


/* PUBLICATIONS */

.publication-placeholder {
  padding: 55px;
  border: 1px solid #33393d;
}

.publication-placeholder p {
  margin: 0 0 10px;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 28px;
}

.publication-placeholder span {
  color: #aaa;
}


/* PROJECTS */

.project-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.project {
  min-height: 210px;
  padding: 32px;
  background: white;
  display: flex;
  gap: 28px;
}

.project-number {
  color: var(--accent);
  font-size: 12px;
}

.project h3 {
  margin: 0 0 12px;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 25px;
}

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


/* VIDEO */

.video-placeholder {
  min-height: 250px;
  padding: 45px;
  display: flex;
  align-items: center;
  gap: 30px;
  border: 1px solid var(--line);
  background: white;
}

.play {
  width: 70px;
  height: 70px;
  flex: 0 0 70px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--ink);
  color: white;
  padding-left: 4px;
}

.video-placeholder strong {
  font-family: Georgia, "Times New Roman", serif;
  font-size: 25px;
}

.video-placeholder p {
  margin-bottom: 0;
  color: var(--muted);
}


/* CONTACT */

.contact {
  padding-top: 120px;
  padding-bottom: 120px;
  text-align: center;
}

.contact h2 {
  font-size: clamp(42px, 6vw, 72px);
}

.contact p {
  max-width: 650px;
  margin: 30px auto 0;
  color: var(--muted);
}


/* FOOTER */

footer {
  padding: 38px max(28px, calc((100% - var(--max)) / 2 + 28px));
  background: var(--dark);
  color: white;
  display: flex;
  justify-content: space-between;
  gap: 30px;
  align-items: center;
}

footer div {
  display: flex;
  flex-direction: column;
}

footer span,
footer p {
  color: #999;
  font-size: 12px;
}

footer p {
  margin: 0;
}


/* MOBILE */

@media (max-width: 900px) {

  .menu-btn {
    display: block;
  }

  nav {
    display: none;
    position: absolute;
    top: 78px;
    left: 0;
    right: 0;
    padding: 22px 28px 30px;
    background: white;
    border-bottom: 1px solid var(--line);
    flex-direction: column;
    align-items: flex-start;
  }

  nav.open {
    display: flex;
  }

  .hero {
    grid-template-columns: 1fr;
    gap: 45px;
    padding-top: 55px;
  }

  .hero-photo {
    max-width: 620px;
  }

  .about-grid,
  .section-heading {
    grid-template-columns: 1fr;
    gap: 30px;
  }

  .cards {
    grid-template-columns: 1fr 1fr;
  }

  .timeline-item {
    grid-template-columns: 100px 1fr;
  }

  .timeline-item p,
  .timeline-item small {
    grid-column: 2;
  }

}

@media (max-width: 600px) {

  .nav-wrap {
    padding-left: 20px;
    padding-right: 20px;
  }

  .hero,
  .section {
    padding-left: 20px;
    padding-right: 20px;
  }

  .hero {
    padding-top: 42px;
    padding-bottom: 55px;
  }

  .hero h1 {
    font-size: 48px;
  }

  .section {
    padding-top: 75px;
    padding-bottom: 75px;
  }

  .cards,
  .project-grid {
    grid-template-columns: 1fr;
  }

  .card {
    min-height: 230px;
  }

  .card h3 {
    margin-top: 45px;
  }

  .timeline-item {
    grid-template-columns: 1fr;
    gap: 7px;
  }

  .timeline-item p,
  .timeline-item small {
    grid-column: auto;
  }

  .video-placeholder {
    align-items: flex-start;
    flex-direction: column;
  }

  footer {
    align-items: flex-start;
    flex-direction: column;
  }

}


/* ========================================================
   v0.2 — IDENTIDAD ACADÉMICA
   ======================================================== */


/* Distinción Investigador Nacional */

.snii-badge {
  max-width: 530px;
  margin: 24px 0 22px;
  padding: 14px 18px;
  display: flex;
  align-items: center;
  gap: 15px;
  border-left: 3px solid var(--accent);
  background: #F8F6F0;
}

.snii-mark {
  width: 48px;
  height: 48px;
  flex: 0 0 48px;
  display: grid;
  place-items: center;
  border: 1px solid var(--accent);
  color: var(--ink);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 17px;
  font-weight: 700;
  letter-spacing: .05em;
}

.snii-copy {
  display: flex;
  flex-direction: column;
  line-height: 1.3;
}

.snii-copy strong {
  color: var(--ink);
  font-size: 12px;
  letter-spacing: .12em;
}

.snii-copy span {
  margin-top: 4px;
  color: var(--muted);
  font-size: 12px;
}


/* Perfil académico */

.academic-profile {
  border-top: 1px solid #D9D4C7;
  border-bottom: 1px solid #D9D4C7;
  background: #F6F4EE;
}

.academic-inner {
  max-width: var(--max);
  margin: auto;
  padding: 0 28px;
  display: grid;
  grid-template-columns: 1.15fr repeat(4, 1fr);
}

.academic-intro,
.academic-item {
  min-height: 155px;
  padding: 28px 24px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  border-right: 1px solid #D9D4C7;
}

.academic-intro {
  padding-left: 0;
}

.academic-item:last-child {
  border-right: 0;
}

.academic-kicker,
.academic-item > span {
  margin-bottom: 12px;
  color: var(--accent);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .17em;
}

.academic-intro strong {
  max-width: 180px;
  color: var(--ink);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 21px;
  line-height: 1.15;
}

.academic-item strong {
  color: var(--ink);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 17px;
  line-height: 1.2;
}

.academic-item small {
  margin-top: 8px;
  color: var(--muted);
  font-size: 11px;
  line-height: 1.35;
}

.academic-item.featured {
  position: relative;
  background: var(--ink);
}

.academic-item.featured::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--accent);
}

.academic-item.featured span {
  color: var(--accent);
}

.academic-item.featured strong {
  color: white;
}

.academic-item.featured small {
  color: #BCC5CF;
}


/* El botón principal adopta plenamente el azul marino */

.btn.primary {
  background: var(--ink);
  color: white;
}

.btn.primary:hover {
  background: #102B50;
}


/* Botón secundario con detalle dorado */

.btn.secondary {
  border-color: var(--accent);
  color: var(--ink);
}

.btn.secondary:hover {
  background: #F6F4EE;
}


/* Responsive del perfil académico */

@media (max-width: 1050px) {

  .academic-inner {
    grid-template-columns: 1fr 1fr;
  }

  .academic-intro,
  .academic-item {
    border-bottom: 1px solid #D9D4C7;
  }

  .academic-intro {
    padding-left: 24px;
  }

}

@media (max-width: 600px) {

  .snii-badge {
    padding: 13px;
  }

  .academic-inner {
    padding: 0;
    grid-template-columns: 1fr;
  }

  .academic-intro,
  .academic-item {
    min-height: auto;
    padding: 25px 20px;
    border-right: 0;
  }

}