:root {
  --bg: #f6f8fa;
  --surface: #ffffff;
  --ink: #16232d;
  --muted: #61717c;
  --line: #dce5e9;
  --blue: #185b76;
  --blue2: #2e7d8e;
  --dark: #102a36;
  --radius: 16px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system,
    BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.65;
}

a {
  color: inherit;
}

.container {
  width: min(1120px, calc(100% - 40px));
  margin: auto;
}

/* =========================
   HEADER
   ========================= */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}

.nav {
  height: 70px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  font-weight: 800;
  letter-spacing: 0.1em;
  text-decoration: none;
  color: var(--blue);
}

.nav-links {
  display: flex;
  gap: 20px;
}

.nav-links a {
  text-decoration: none;
  color: var(--muted);
  font-size: 0.88rem;
}

.nav-links a:hover {
  color: var(--blue);
}

.menu-toggle {
  display: none;
  border: 0;
  background: none;
  font-size: 1.5rem;
  color: var(--blue);
}

/* =========================
   HERO
   ========================= */

.hero {
  min-height: calc(100vh - 70px);
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  background: #f8fafb;
}

.hero-content {
  padding: 90px 0;
  position: relative;
  z-index: 2;
  max-width: 700px;
	transform: translateX(-200px);
}

.eyebrow,
.section-kicker {
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 0.75rem;
  font-weight: 800;
  color: var(--blue);
}

h1 {
  font-size: clamp(3rem, 7vw, 6.2rem);
  line-height: 0.98;
  letter-spacing: -0.055em;
  margin: 18px 0;
  color: var(--ink);
}

.hero-subtitle {
  font-size: clamp(1.1rem, 2vw, 1.45rem);
  color: var(--blue);
  max-width: 650px;
}

blockquote {
  margin: 32px 0 0;
  max-width: 650px;
  padding: 3px 0 3px 18px;
  border-left: 2px solid var(--blue2);
  font: 1.08rem/1.6 Georgia, serif;
  color: var(--muted);
}

blockquote cite {
  display: block;
  font: 600 0.82rem/1.5 Inter, system-ui;
  margin-top: 7px;
  color: var(--ink);
}

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

.button {
  display: inline-block;
  padding: 12px 18px;
  border-radius: 9px;
  text-decoration: none;
  font-weight: 750;
  border: 1px solid var(--blue);
  cursor: pointer;
}

.button.primary {
  background: var(--blue);
  color: #fff;
}

.button.secondary {
  background: #fff;
  color: var(--blue);
}

.button:hover {
  transform: translateY(-1px);
}

/* =========================
   HERO IMAGE
   ========================= */

.hero-image {
  position: absolute;
  right: 175px;
  top: 50%;
  transform: translateY(-50%);
  width: 620px;
  z-index: 1;
  pointer-events: none;
}

.hero-image img {
  width: 100%;
  height: auto;
  display: block;
}

/* =========================
   SECTIONS
   ========================= */

.section {
  padding: 105px 0;
}

.section-alt {
  background: #edf3f5;
}

.section-heading {
  max-width: 800px;
}

.section h2 {
  font-size: clamp(2rem, 4vw, 3.2rem);
  line-height: 1.08;
  letter-spacing: -0.035em;
  margin: 8px 0 18px;
}

.section-heading p,
.section > .container > p:not(.section-kicker) {
  color: var(--muted);
  font-size: 1.06rem;
}

/* =========================
   SOBRE
   ========================= */

.two-col {
  display: grid;
  grid-template-columns: 1.4fr 0.8fr;
  gap: 70px;
  margin-top: 42px;
}

.two-col p {
  color: #42535d;
}

.quote-card {
  background: #fff;
  border: 1px solid var(--line);
  padding: 32px;
  border-radius: var(--radius);
  position: relative;
}

.quote-mark {
  font: 4rem Georgia;
  color: var(--blue2);
  line-height: 0.5;
}

.quote-card p {
  font-size: 1.15rem !important;
  color: var(--ink) !important;
}

/* =========================
   DOCÊNCIA
   ========================= */

.cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 22px;
  margin-top: 38px;
}

.card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px;
}

.card h3,
.skills h3 {
  margin-top: 0;
}

.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
}

.tags span {
  background: #edf4f6;
  color: var(--blue);
  padding: 6px 10px;
  border-radius: 99px;
  font-size: 0.82rem;
}

.clean-list {
  padding-left: 18px;
  color: var(--muted);
}

.clean-list li {
  margin: 10px 0;
}

.teaching-highlight {
  margin-top: 22px;
  background: var(--dark);
  color: #fff;
  border-radius: var(--radius);
  padding: 26px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
}

.big-number {
  font-size: 2.2rem;
  font-weight: 850;
  margin-right: 18px;
  color: #a9d0d8;
}

.text-link {
  color: #fff;
  text-decoration: none;
  font-weight: 700;
  white-space: nowrap;
}

/* =========================
   PESQUISA
   ========================= */

.research-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  margin-top: 45px;
}

.research-item {
  background: #fff;
  padding: 28px;
  min-height: 245px;
}

.research-item span {
  color: var(--blue2);
  font-weight: 800;
}

.research-item h3 {
  margin: 20px 0 10px;
}

.research-item p {
  color: var(--muted);
}

/* =========================
   TRAJETÓRIA
   ========================= */

.section-dark {
  background: var(--dark);
  color: #fff;
}

.section-dark .section-kicker {
  color: #9fc8d1;
}

.section-dark h2 {
  max-width: 700px;
}

.path {
  display: flex;
  align-items: center;
  gap: 16px;
  margin: 45px 0;
  flex-wrap: wrap;
}

.path div {
  border: 1px solid #40616c;
  padding: 15px 18px;
  border-radius: 10px;
  color: #d7e6ea;
}

.path i {
  color: #78aeb9;
  font-style: normal;
  font-size: 1.3rem;
}

.dark-note {
  color: #b9ccd2;
  max-width: 760px;
}

/* =========================
   PROJETOS
   ========================= */

.project-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin-top: 42px;
}

.project-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 25px;
  min-height: 230px;
  display: flex;
  flex-direction: column;
}

.project-card small {
  color: var(--blue);
  font-weight: 800;
}

.project-card h3 {
  font-size: 1.25rem;
  margin: 12px 0 8px;
}

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

.project-card span {
  margin-top: auto;
  font-size: 0.78rem;
  color: var(--blue);
  font-weight: 750;
}

/* =========================
   FORMAÇÃO
   ========================= */

.timeline {
  border-left: 2px solid #cfdde2;
  margin: 45px 0 0;
  padding-left: 32px;
}

.timeline article {
  position: relative;
  display: grid;
  grid-template-columns: 130px 1fr;
  gap: 20px;
  margin-bottom: 36px;
}

.timeline article:before {
  content: "";
  position: absolute;
  left: -39px;
  top: 7px;
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: var(--blue);
  border: 4px solid #edf3f5;
}

.timeline time {
  font-weight: 800;
  color: var(--blue);
}

.timeline h3 {
  margin: 0 0 4px;
}

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

/* =========================
   PUBLICAÇÕES
   ========================= */

.publication-list {
  margin-top: 40px;
  border-top: 1px solid var(--line);
}

.publication-list article {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 20px;
  padding: 20px 0;
  border-bottom: 1px solid var(--line);
}

.publication-list span {
  color: var(--blue);
  font-weight: 850;
}

.publication-list p {
  margin: 0;
}

.technical {
  margin-top: 25px;
  padding: 20px;
  background: #edf4f6;
  border-radius: 12px;
  color: #465962;
}

/* =========================
   FERRAMENTAS
   ========================= */

.skills {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 22px;
  margin-top: 35px;
}

.skills > div {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 25px;
}

.skills p {
  color: var(--muted);
}

/* =========================
   CURRÍCULOS
   ========================= */

.curriculum-box {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  align-items: center;
  gap: 40px;
}

.curriculum-actions {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

/* =========================
   DESTAQUE
   ========================= */

.featured {
  background: #e7f0f2;
}

.featured-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 30px;
}

.featured h2 {
  margin-bottom: 5px;
}

/* =========================
   CONTATO
   ========================= */

.contact {
  background: #102a36;
  color: #fff;
}

.contact .section-kicker {
  color: #9fc8d1;
}

.contact p {
  max-width: 700px;
  color: #c4d4d8;
}

.contact-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.contact-links a {
  color: #fff;
  text-decoration: none;
  border-bottom: 1px solid #5b818a;
  padding-bottom: 3px;
}

/* =========================
   FOOTER
   ========================= */

footer {
  background: #0b2029;
  color: #aebfc4;
  padding: 25px 0;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  font-size: 0.84rem;
}

/* =========================
   TABLET
   ========================= */

@media (max-width: 1100px) {
  .hero-image {
    right: -180px;
    width: 570px;
    opacity: 0.65;
  }
}

@media (max-width: 900px) {
  .nav-links {
    gap: 12px;
  }

  .nav-links a {
    font-size: 0.8rem;
  }

  .hero-image {
    right: -230px;
    width: 540px;
    opacity: 0.35;
  }

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

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

  .two-col {
    gap: 35px;
  }
}

/* =========================
   CELULAR
   ========================= */

@media (max-width: 720px) {
  .container {
    width: min(100% - 32px, 1120px);
  }

  .nav {
    height: 64px;
  }

  .menu-toggle {
    display: block;
  }

  .nav-links {
    display: none;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    background: #fff;
    border-bottom: 1px solid var(--line);
    padding: 15px 20px;
    flex-direction: column;
    gap: 14px;
  }

  .nav-links.open {
    display: flex;
  }
	
	.hero {
  	min-height: calc(100vh - 64px);
  	overflow: hidden;
	}

	.hero-content {
  	padding: 70px 0;
  	max-width: none;
  	transform: none;
	}

  /*
     No celular, a imagem fica atrás do conteúdo,
     com baixa opacidade para não prejudicar a leitura.
  */
  .hero-image {
    right: -150px;
    top: 50%;
    width: 480px;
    opacity: 0.12;
  }

  .section {
    padding: 72px 0;
  }

  .two-col,
  .cards,
  .skills,
  .curriculum-box {
    grid-template-columns: 1fr;
  }

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

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

  .timeline article {
    grid-template-columns: 1fr;
    gap: 3px;
  }

  .teaching-highlight,
  .featured-inner {
    align-items: flex-start;
    flex-direction: column;
  }

  .footer-inner {
    flex-direction: column;
  }

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

  .path i {
    transform: rotate(90deg);
  }
}

/* =========================
   ACESSIBILIDADE
   ========================= */

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .button:hover {
    transform: none;
  }
}