:root {
  --bg: #dfe8f5;
  --surface: rgba(245, 250, 255, 0.8);
  --surface-strong: rgba(10, 32, 62, 0.92);
  --text: #0d2442;
  --muted: #4c6584;
  --line: rgba(13, 36, 66, 0.13);
  --accent: #1e63b6;
  --accent-strong: #0f4f9d;
  --accent-soft: rgba(30, 99, 182, 0.16);
  --shadow: 0 24px 80px rgba(10, 32, 62, 0.14);
  --max-width: 1180px;
  --radius: 28px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Manrope", sans-serif;
  overflow-x: hidden;
  background:
    radial-gradient(circle at top left, rgba(30, 99, 182, 0.22), transparent 30%),
    radial-gradient(circle at 85% 20%, rgba(99, 158, 230, 0.18), transparent 25%),
    linear-gradient(180deg, #f6fbff 0%, var(--bg) 42%, #d4e0f2 100%);
  color: var(--text);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image: linear-gradient(rgba(18, 34, 41, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(18, 34, 41, 0.03) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.5), transparent 92%);
}

a {
  color: inherit;
  text-decoration: none;
}

main,
section[id] {
  scroll-margin-top: 5rem;
}

p,
li {
  font-size: 1rem;
  line-height: 1.75;
  color: var(--muted);
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: -3rem;
  z-index: 20;
  padding: 0.75rem 1rem;
  border-radius: 999px;
  background: var(--text);
  color: #fff;
  transition: top 180ms ease;
}

.skip-link:focus-visible {
  top: 1rem;
}

.page-shell {
  position: relative;
  z-index: 1;
  min-height: 100vh;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 1.1rem 1.5rem;
  backdrop-filter: blur(18px);
}

.brand,
.site-nav a {
  color: var(--text);
}

.brand {
  font-family: "Newsreader", serif;
  font-size: clamp(1.55rem, 2.1vw, 2.2rem);
  font-weight: 700;
  letter-spacing: 0.01em;
  line-height: 1;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 1.4rem;
}

.site-nav a {
  position: relative;
  font-size: 0.95rem;
  color: rgba(18, 34, 41, 0.8);
}

.site-nav a:hover,
.site-nav a:focus-visible {
  color: var(--accent);
}

.site-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -0.35rem;
  width: 100%;
  height: 1px;
  transform: scaleX(0);
  transform-origin: left;
  background: currentColor;
  transition: transform 180ms ease;
}

.site-nav a:hover::after,
.site-nav a:focus-visible::after {
  transform: scaleX(1);
}

main {
  padding-bottom: 5rem;
}

.hero,
.section {
  max-width: var(--max-width);
  margin: 0 auto;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(300px, 0.8fr);
  gap: 2rem;
  min-height: calc(100svh - 76px);
  align-items: center;
  padding-top: 2.5rem;
  padding-bottom: 4rem;
}

.eyebrow,
.section-label {
  margin-bottom: 1rem;
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  padding: 0.7rem 1rem;
  border: 1px solid rgba(30, 99, 182, 0.2);
  border-radius: 999px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.92), rgba(228, 239, 255, 0.9));
  box-shadow: 0 12px 30px rgba(30, 99, 182, 0.12);
}

h1,
h2 {
  margin: 0;
  font-family: "Newsreader", serif;
  font-weight: 700;
  line-height: 0.98;
  color: var(--text);
  text-wrap: balance;
}

h1 {
  max-width: 10ch;
  font-size: clamp(3.4rem, 8vw, 7rem);
}

h2 {
  max-width: 13ch;
  font-size: clamp(2.1rem, 4vw, 3.4rem);
}

.hero-text {
  max-width: 38rem;
  margin: 1.4rem 0 0;
  font-size: 1.1rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
  margin-top: 2rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 3.25rem;
  padding: 0 1.25rem;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 700;
  transition: transform 180ms ease, background-color 180ms ease, border-color 180ms ease;
}

.button:hover,
.button:focus-visible {
  transform: translateY(-2px);
}

a:focus-visible,
.button:focus-visible {
  outline: 3px solid rgba(30, 99, 182, 0.35);
  outline-offset: 4px;
}

.button-primary {
  background: linear-gradient(135deg, var(--accent-strong), var(--accent));
  color: #fbf9f3;
}

.button-secondary {
  border-color: var(--line);
  background: rgba(255, 255, 255, 0.55);
}

.hero-panel,
.spotlight-card,
.contact-card {
  padding: 2rem;
  border: 1px solid rgba(255, 255, 255, 0.5);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow);
  backdrop-filter: blur(10px);
}

.hero-panel {
  position: relative;
  overflow: hidden;
}

.hero-panel::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(140deg, rgba(30, 99, 182, 0.18), transparent 40%),
    linear-gradient(180deg, transparent 20%, rgba(10, 32, 62, 0.08));
}

.portrait-frame {
  aspect-ratio: 4 / 4.3;
  margin-bottom: 1.6rem;
  overflow: hidden;
  border-radius: 24px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.8), rgba(213, 229, 250, 0.5));
}

.portrait-frame img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
}

.hero-panel > * {
  position: relative;
}

.hero-panel-top p {
  margin: 0;
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
}

.hero-panel-top span {
  display: block;
  margin-top: 0.9rem;
  font-family: "Newsreader", serif;
  font-size: 1.7rem;
  line-height: 1.2;
  color: var(--text);
}

.hero-metrics {
  display: grid;
  gap: 1.3rem;
  margin: 2.2rem 0 0;
}

.hero-metrics div {
  padding-top: 1.2rem;
  border-top: 1px solid var(--line);
}

.hero-metrics dt {
  font-family: "Newsreader", serif;
  font-size: 2rem;
  color: var(--text);
}

.hero-metrics dd {
  margin: 0.45rem 0 0;
  color: var(--muted);
}

.section {
  padding-top: 2.5rem;
  padding-bottom: 2.5rem;
}

.intro-grid,
.split-section,
.spotlight {
  display: grid;
  gap: 2rem;
}

.intro-grid {
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  align-items: start;
}

.section-heading {
  display: grid;
  gap: 1rem;
  margin-bottom: 2rem;
}

.spotlight {
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  align-items: stretch;
}

.feature-list,
.stack-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.feature-list li,
.stack-list li {
  padding: 0.9rem 0;
  border-top: 1px solid var(--line);
  color: var(--text);
}

.feature-list li:first-child,
.stack-list li:first-child {
  border-top: none;
  padding-top: 0;
}

.spotlight-quote {
  display: flex;
  align-items: end;
  padding: 2rem;
  border-left: 1px solid var(--line);
}

.spotlight-quote p {
  margin: 0;
  font-family: "Newsreader", serif;
  font-size: clamp(1.8rem, 3vw, 2.8rem);
  line-height: 1.18;
  color: var(--text);
}

.timeline {
  position: relative;
  display: grid;
  gap: 1.25rem;
}

.timeline::before {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0.55rem;
  width: 1px;
  background: var(--line);
}

.timeline-item {
  position: relative;
  display: grid;
  grid-template-columns: minmax(220px, 0.52fr) minmax(0, 1fr);
  gap: 2rem;
  padding: 1.6rem 1.6rem 1.6rem 2.5rem;
  border-radius: 24px;
  background: rgba(247, 251, 255, 0.65);
}

.timeline-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 2rem;
  width: 1.1rem;
  height: 1.1rem;
  border: 3px solid #edf5ff;
  border-radius: 999px;
  background: var(--accent);
}

.timeline-role,
.timeline-org,
.timeline-date {
  margin: 0;
}

.timeline-role {
  font-weight: 800;
  color: var(--text);
}

.timeline-org {
  color: var(--muted);
}

.timeline-date {
  margin-top: 0.6rem;
  font-size: 0.92rem;
  color: var(--accent);
}

.split-section {
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
}

.subsection-label {
  margin-top: 2.4rem;
}

.compact li {
  padding: 0.8rem 0;
}

.publication-list {
  display: grid;
  gap: 1rem;
}

.publication-item {
  padding: 1.3rem 1.4rem;
  border-left: 2px solid var(--accent-soft);
  background: rgba(247, 251, 255, 0.7);
}

.publication-item p {
  margin: 0;
}

.contact-section {
  padding-top: 4rem;
}

.contact-card {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(280px, 0.8fr);
  gap: 2rem;
  background:
    linear-gradient(135deg, rgba(10, 32, 62, 0.97), rgba(21, 76, 145, 0.94)),
    var(--surface-strong);
  color: #f8f5ef;
  align-items: stretch;
  text-align: left;
}

.contact-intro {
  display: flex;
  align-items: center;
}

.contact-details {
  display: grid;
  align-content: center;
  gap: 1rem;
  padding-left: 2rem;
  border-left: 1px solid rgba(255, 255, 255, 0.18);
}

.contact-card h2,
.contact-card h3,
.contact-card p,
.contact-card a {
  color: inherit;
}

.contact-heading {
  width: 100%;
  max-width: none;
  margin: 0;
  font-family: "Newsreader", serif;
  font-size: clamp(1.5rem, 2.8vw, 2rem);
  font-weight: 700;
  line-height: 1.25;
  text-align: left;
}

.contact-links {
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  align-items: flex-start;
  gap: 0.9rem;
  width: 100%;
}

.contact-links a {
  font-size: 1.05rem;
  font-weight: 700;
  transition: color 180ms ease, transform 180ms ease;
}

.contact-links a:hover,
.contact-links a:focus-visible {
  color: #d9ebff;
  transform: translateX(2px);
}

.whatsapp-link {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
}

.whatsapp-link svg {
  width: 1.25rem;
  height: 1.25rem;
  fill: currentColor;
}

.reveal,
.reveal-delay {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 700ms ease, transform 700ms ease;
}

.reveal-delay {
  transition-delay: 120ms;
}

.reveal-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 920px) {
  .hero,
  .intro-grid,
  .spotlight,
  .split-section,
  .timeline-item {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
    padding-top: 1.4rem;
  }

  .spotlight-quote {
    padding-top: 0;
    border-left: none;
  }

  .timeline::before {
    left: 0.52rem;
  }
}

@media (max-width: 720px) {
  .site-header {
    position: static;
    flex-direction: column;
    align-items: flex-start;
    padding-bottom: 0;
  }

  .site-nav {
    flex-wrap: wrap;
    gap: 0.85rem 1.1rem;
  }

  h1 {
    max-width: 12ch;
  }

  .hero,
  .section {
    padding-left: 1rem;
    padding-right: 1rem;
  }

  .hero-panel,
  .spotlight-card,
  .contact-card,
  .timeline-item {
    padding: 1.35rem;
  }

  .timeline-item {
    padding-left: 2rem;
  }

  .contact-links {
    gap: 0.7rem;
  }
}

@media (max-width: 920px) {
  .contact-card {
    grid-template-columns: 1fr;
  }

  .contact-details {
    padding-left: 0;
    border-left: none;
    border-top: 1px solid rgba(255, 255, 255, 0.18);
    padding-top: 1.5rem;
  }

  .contact-links {
    align-items: flex-start;
  }
}

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

  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }

  .reveal,
  .reveal-delay {
    opacity: 1;
    transform: none;
  }
}