:root {
  --bg: #f4f6fb;
  --surface: #ffffff;
  --surface-soft: #eef3ff;
  --text: #10223f;
  --text-soft: #445b7c;
  --brand: #ff7a00;
  --brand-deep: #d45e00;
  --accent: #1298b8;
  --line: #d4deef;
  --shadow: 0 20px 55px rgba(16, 34, 63, 0.08);
  --radius-lg: 24px;
  --radius-md: 16px;
  --radius-sm: 10px;
  --container: 1120px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Space Grotesk", sans-serif;
  color: var(--text);
  background: linear-gradient(170deg, #f8faff 0%, #eef3fb 100%);
  line-height: 1.6;
}

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

.container {
  width: min(var(--container), calc(100% - 2.6rem));
  margin: 0 auto;
}

.bg-shape {
  position: fixed;
  border-radius: 999px;
  filter: blur(3px);
  z-index: -2;
}

.bg-shape-a {
  width: 420px;
  height: 420px;
  background: radial-gradient(circle at center, rgba(255, 122, 0, 0.22), rgba(255, 122, 0, 0));
  top: -160px;
  left: -120px;
}

.bg-shape-b {
  width: 460px;
  height: 460px;
  background: radial-gradient(circle at center, rgba(18, 152, 184, 0.2), rgba(18, 152, 184, 0));
  right: -130px;
  bottom: -180px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(14px);
  background: rgba(244, 246, 251, 0.82);
  border-bottom: 1px solid rgba(212, 222, 239, 0.8);
}

.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 76px;
  gap: 1rem;
}

.brand {
  font-family: "Outfit", sans-serif;
  font-size: 1.3rem;
  font-weight: 800;
  letter-spacing: 0.01em;
}

.brand span {
  color: var(--brand);
}

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

.site-nav a {
  color: var(--text-soft);
  font-weight: 500;
  transition: color 0.22s ease;
}

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

.menu-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--surface);
  cursor: pointer;
}

.menu-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--text);
  margin: 4px auto;
}

.section {
  padding: 6.2rem 0;
}

.hero {
  padding-top: 4.2rem;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.9fr;
  gap: 2rem;
  align-items: stretch;
}

.eyebrow {
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.9rem;
}

h1,
h2,
h3 {
  margin: 0;
  line-height: 1.12;
  font-family: "Outfit", sans-serif;
}

h1 {
  font-size: clamp(2rem, 6vw, 3.6rem);
  max-width: 16ch;
}

h2 {
  font-size: clamp(1.5rem, 3.2vw, 2.4rem);
}

h3 {
  font-size: 1.2rem;
}

p {
  margin-top: 0;
}

.hero-copy {
  max-width: 60ch;
  margin-top: 1.3rem;
  color: var(--text-soft);
}

.hero-cta {
  margin-top: 1.8rem;
  display: flex;
  gap: 0.9rem;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.82rem 1.2rem;
  border-radius: 999px;
  font-weight: 700;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

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

.btn-primary {
  background: var(--brand);
  color: #fff;
  box-shadow: 0 10px 22px rgba(255, 122, 0, 0.35);
}

.btn-primary:hover {
  background: var(--brand-deep);
}

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

.hero-meta {
  list-style: none;
  margin: 1.7rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.4rem;
  color: var(--text-soft);
}

.hero-meta a {
  color: #0f4f8f;
  font-weight: 600;
}

.hero-panel {
  background: linear-gradient(160deg, #0f2848 0%, #173b65 70%, #0f5271 100%);
  color: #eef4ff;
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  box-shadow: var(--shadow);
}

.hero-panel h2 {
  font-size: 1.45rem;
}

.metric-grid {
  margin-top: 1rem;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.8rem;
}

.metric-grid article {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.13);
  border-radius: var(--radius-sm);
  padding: 0.8rem;
}

.metric-grid span {
  display: block;
  font-family: "Outfit", sans-serif;
  font-size: 1.45rem;
  font-weight: 800;
  color: #ffd7b0;
}

.metric-grid p {
  margin: 0.25rem 0 0;
  font-size: 0.92rem;
}

.section-heading {
  margin-bottom: 1.7rem;
}

.about-grid,
.project-grid,
.education-grid {
  display: grid;
  gap: 1rem;
}

.about-grid {
  grid-template-columns: 1.1fr 1fr 1fr;
}

.card,
.project-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 1.2rem;
  box-shadow: 0 14px 30px rgba(15, 40, 72, 0.05);
}

.tag-list,
.feature-list {
  margin: 0.9rem 0 0;
  padding: 0;
  list-style: none;
}

.tag-list {
  display: flex;
  gap: 0.45rem;
  flex-wrap: wrap;
}

.tag-list li {
  padding: 0.35rem 0.6rem;
  border-radius: 999px;
  background: var(--surface-soft);
  color: #1a3d64;
  font-size: 0.86rem;
  font-weight: 500;
}

.feature-list li + li {
  margin-top: 0.45rem;
}

.timeline {
  position: relative;
  padding-left: 1.6rem;
  border-left: 1px solid var(--line);
  display: grid;
  gap: 1rem;
}

.timeline-item {
  position: relative;
}

.timeline-mark {
  position: absolute;
  left: -2.1rem;
  top: 0.4rem;
  width: 0.9rem;
  height: 0.9rem;
  border-radius: 50%;
  background: var(--brand);
  box-shadow: 0 0 0 5px rgba(255, 122, 0, 0.15);
}

.timeline-content {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 1rem 1.1rem;
}

.timeline-meta {
  color: var(--text-soft);
  margin: 0.45rem 0 0.75rem;
  font-size: 0.95rem;
}

.timeline-content ul {
  margin: 0;
  padding-left: 1.15rem;
}

.timeline-content a {
  color: #0f4f8f;
  font-weight: 600;
}

.project-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.project-card {
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
  transition: transform 0.23s ease, box-shadow 0.23s ease;
}

.project-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 35px rgba(15, 40, 72, 0.1);
}

.project-card p {
  color: var(--text-soft);
  margin: 0;
}

.project-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
}

.project-card a {
  width: fit-content;
  font-weight: 700;
  color: #0f4f8f;
}

.education-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.edu-meta {
  color: var(--text-soft) !important;
  font-weight: 600;
  margin: 0.45rem 0 0.8rem;
}

#educacion .edu-title-link,
#educacion .edu-meta a,
#educacion .thesis-link {
  color: #0b63ce !important;
  font-weight: 700;
  text-decoration-line: underline !important;
  text-decoration-color: #0b63ce !important;
  text-underline-offset: 3px;
  text-decoration-thickness: 2px;
  cursor: pointer;
}

#educacion .edu-title-link:hover,
#educacion .edu-meta a:hover,
#educacion .thesis-link:hover {
  color: #084c9b !important;
  text-decoration-color: #084c9b !important;
}

#educacion .edu-title-link:visited,
#educacion .edu-meta a:visited,
#educacion .thesis-link:visited {
  color: #0b63ce !important;
  text-decoration-color: #0b63ce !important;
}

#educacion .edu-title-link:focus-visible,
#educacion .edu-meta a:focus-visible,
#educacion .thesis-link:focus-visible {
  outline: 2px dashed #0b63ce;
  outline-offset: 3px;
  border-radius: 4px;
}

.contact {
  padding-top: 3rem;
}

.contact-wrap {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 1rem;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 1.4rem;
}

.contact-links {
  display: grid;
  gap: 0.7rem;
  align-content: center;
}

.contact-links a {
  padding: 0.8rem 0.85rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--line);
  background: var(--surface-soft);
  color: #124f8c;
  font-weight: 600;
}

.site-footer {
  padding: 2rem 0 2.3rem;
}

.footer-quote {
  text-align: center;
  color: #6a3d15;
  margin: 0 0 0.55rem;
  font-size: 1.02rem;
  font-style: italic;
}

.footer-copy {
  text-align: center;
  color: var(--text-soft);
  margin: 0;
  font-size: 0.93rem;
}

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

@media (max-width: 1020px) {
  .hero-grid,
  .about-grid,
  .contact-wrap {
    grid-template-columns: 1fr;
  }

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

@media (max-width: 840px) {
  .site-nav {
    position: absolute;
    top: calc(100% + 0.7rem);
    right: 1.3rem;
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow);
    padding: 0.8rem;
    min-width: 220px;
    display: none;
    flex-direction: column;
    align-items: flex-start;
    gap: 0.65rem;
  }

  .site-nav.open {
    display: flex;
  }

  .menu-toggle {
    display: inline-block;
  }
}

@media (max-width: 620px) {
  .section {
    padding: 4.4rem 0;
  }

  .hero {
    padding-top: 2.8rem;
  }

  .container {
    width: min(var(--container), calc(100% - 1.5rem));
  }

  .hero-panel,
  .contact-wrap {
    padding: 1rem;
  }

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