:root {
  --bg: #f7f4ef;
  --bg-soft: #fffdf9;
  --surface: rgba(255, 255, 255, 0.82);
  --surface-strong: rgba(255, 255, 255, 0.94);
  --line: rgba(65, 55, 45, 0.12);
  --line-strong: rgba(65, 55, 45, 0.18);
  --text: #1d252c;
  --muted: #59626c;
  --accent: #365c74;
  --accent-soft: rgba(54, 92, 116, 0.12);
  --shadow: 0 24px 60px rgba(29, 37, 44, 0.08);
  --radius-lg: 28px;
  --radius-md: 20px;
  --radius-sm: 14px;
  --container: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Manrope", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(54, 92, 116, 0.14), transparent 32%),
    radial-gradient(circle at top right, rgba(185, 152, 116, 0.12), transparent 28%),
    linear-gradient(180deg, #fbf8f2 0%, var(--bg) 50%, #f5f0e8 100%);
}

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

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

code {
  font-family: inherit;
  background: rgba(29, 37, 44, 0.06);
  padding: 0.15rem 0.4rem;
  border-radius: 0.45rem;
}

.site-shell {
  width: min(calc(100% - 2rem), var(--container));
  margin: 0 auto;
  padding-bottom: 4rem;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 0;
  backdrop-filter: blur(18px);
}

.brand {
  font-weight: 800;
  letter-spacing: -0.04em;
  font-size: 1.35rem;
}

.nav {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  padding: 0.8rem 1rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.7);
}

.nav a,
.menu-toggle {
  color: var(--muted);
  font-size: 0.96rem;
}

.menu-toggle {
  display: none;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.7);
  border-radius: 999px;
  padding: 0.8rem 1rem;
  cursor: pointer;
}

.section {
  padding: 4rem 0 1rem;
}

.hero {
  min-height: calc(100vh - 5rem);
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(220px, 0.65fr);
  align-items: center;
  gap: 2.5rem;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.45rem 0.85rem;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 0.9rem;
  font-weight: 700;
}

.hero h1,
.section-heading h2 {
  margin: 1rem 0 0.8rem;
  font-family: "Instrument Serif", serif;
  font-size: clamp(2.8rem, 5vw, 5.2rem);
  font-weight: 400;
  letter-spacing: -0.04em;
  line-height: 0.95;
}

.hero-role {
  font-size: 1.18rem;
  color: var(--text);
  margin: 0 0 0.7rem;
  font-weight: 700;
}

.hero-summary,
.section-heading p,
.about-copy p,
.about-highlight p,
.timeline-body p,
.project-card p,
.project-detail p,
.contact-card p,
.skill-card span,
#profile-summary {
  color: var(--muted);
  line-height: 1.7;
}

.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: 0.9rem 1.3rem;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 700;
  transition: transform 180ms ease, box-shadow 180ms ease, background 180ms ease;
}

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

.button-primary {
  color: #fff;
  background: linear-gradient(135deg, #2d5168 0%, #456f89 100%);
  box-shadow: 0 16px 30px rgba(54, 92, 116, 0.22);
}

.button-secondary {
  background: rgba(255, 255, 255, 0.72);
  border-color: var(--line);
}

.button-full {
  width: 100%;
}

.card-surface,
.project-card,
.timeline-item,
.skill-card,
.contact-card {
  background: var(--surface);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  backdrop-filter: blur(14px);
}

.card-surface {
  border-radius: var(--radius-lg);
}

.hero-visual {
  position: relative;
  width: min(100%, 260px);
  justify-self: center;
  padding: 0.9rem;
  overflow: hidden;
}

.hero-visual::before {
  content: "";
  position: absolute;
  inset: 0.55rem;
  border: 1px solid rgba(54, 92, 116, 0.1);
  border-radius: 24px;
}

.hero-visual img {
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  border-radius: 22px;
}

.section-heading {
  max-width: 700px;
  margin-bottom: 2rem;
}

.section-heading h2 {
  font-size: clamp(2.2rem, 3vw, 3.6rem);
}

.about-grid,
.other-grid,
.timeline-layout,
.contact-grid {
  display: grid;
  gap: 1.4rem;
}

.about-grid {
  grid-template-columns: minmax(0, 1.3fr) minmax(290px, 0.7fr);
}

.about-copy,
.about-highlight,
.other-grid > article {
  padding: 1.6rem;
}

.about-highlight-label {
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.78rem;
  color: var(--accent);
}

.timeline-layout {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  align-items: start;
}

.subsection-title {
  margin: 0 0 1rem;
  font-size: 1.1rem;
}

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

.timeline-item {
  position: relative;
  border-radius: var(--radius-md);
  padding: 1.4rem;
}

.timeline-item::before {
  content: "";
  position: absolute;
  left: 1.35rem;
  top: 1.35rem;
  bottom: 1.35rem;
  width: 2px;
  background: linear-gradient(180deg, rgba(54, 92, 116, 0.35), transparent);
}

.timeline-body {
  padding-left: 1.25rem;
}

.timeline-meta {
  display: inline-flex;
  margin-bottom: 0.65rem;
  padding: 0.3rem 0.7rem;
  border-radius: 999px;
  background: rgba(54, 92, 116, 0.09);
  color: var(--accent);
  font-size: 0.85rem;
  font-weight: 700;
}

.timeline-item h4,
.project-card h3,
.contact-card h3,
.project-detail h3 {
  margin: 0;
  font-size: 1.12rem;
}

.timeline-item strong {
  display: block;
  margin-top: 0.35rem;
}

.simple-list {
  margin: 0;
  padding-left: 1.15rem;
  color: var(--muted);
  line-height: 1.8;
}

.other-grid {
  grid-template-columns: minmax(0, 1fr);
  margin-top: 1.4rem;
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1.25rem;
}

.project-card {
  border-radius: var(--radius-md);
  overflow: hidden;
  cursor: pointer;
  transition: transform 220ms ease, box-shadow 220ms ease, border-color 220ms ease;
}

.project-card:hover {
  transform: translateY(-6px);
  border-color: var(--line-strong);
  box-shadow: 0 26px 44px rgba(29, 37, 44, 0.12);
}

.project-thumb {
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: linear-gradient(140deg, rgba(54, 92, 116, 0.18), rgba(185, 152, 116, 0.18));
}

.project-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.project-copy {
  padding: 1.25rem;
}

.project-copy p {
  min-height: 5.5rem;
}

.project-tags,
.detail-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin-top: 0.95rem;
}

.tag {
  display: inline-flex;
  padding: 0.38rem 0.7rem;
  border-radius: 999px;
  background: rgba(29, 37, 44, 0.06);
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 700;
}

.skills-groups {
  display: grid;
  gap: 1.5rem;
}

.skill-group {
  padding: 1.5rem;
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.6);
  border: 1px solid var(--line);
}

.skill-group h3 {
  margin: 0 0 1rem;
  font-size: 1.05rem;
}

.skills-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.9rem;
}

.skill-card {
  display: grid;
  justify-items: center;
  gap: 0.75rem;
  padding: 1.05rem 0.9rem;
  border-radius: 18px;
  text-align: center;
}

.skill-card img {
  width: 54px;
  height: 54px;
  object-fit: contain;
  transition: transform 360ms cubic-bezier(0.2, 0.8, 0.2, 1);
}

.skill-card:hover img {
  animation: skill-bounce 520ms ease;
}

@keyframes skill-bounce {
  0% {
    transform: translateY(0);
  }
  40% {
    transform: translateY(-7px);
  }
  100% {
    transform: translateY(0);
  }
}

.contact-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.contact-card {
  padding: 1.4rem;
  border-radius: var(--radius-md);
}

.contact-card span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.3rem;
  height: 2.3rem;
  border-radius: 999px;
  background: rgba(54, 92, 116, 0.1);
  color: var(--accent);
  font-weight: 800;
}

.project-modal {
  width: min(860px, calc(100% - 1.5rem));
  border: 1px solid var(--line);
  border-radius: 30px;
  padding: 1rem;
  background: rgba(250, 247, 241, 0.96);
  box-shadow: 0 36px 80px rgba(29, 37, 44, 0.18);
}

.project-modal::backdrop {
  background: rgba(20, 24, 28, 0.48);
  backdrop-filter: blur(6px);
}

.modal-close {
  display: inline-flex;
  margin-left: auto;
  margin-bottom: 0.4rem;
  border: 0;
  background: rgba(29, 37, 44, 0.06);
  color: var(--muted);
  border-radius: 999px;
  padding: 0.7rem 1rem;
  cursor: pointer;
}

.project-detail {
  display: grid;
  gap: 1.4rem;
  padding: 0.25rem 0.4rem 0.8rem;
}

.project-detail-cover {
  max-width: 520px;
  margin: 0 auto;
  overflow: hidden;
  border-radius: 22px;
}

.project-detail-cover img {
  width: 100%;
  max-height: 280px;
  object-fit: cover;
}

.project-detail-section {
  padding: 1.2rem 1.25rem;
  border-radius: 20px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.68);
}

.project-detail-section ul {
  margin: 0.8rem 0 0;
  padding-left: 1.1rem;
  color: var(--muted);
  line-height: 1.8;
}

.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 520ms ease, transform 520ms ease;
}

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

@media (max-width: 1024px) {
  .hero,
  .about-grid,
  .timeline-layout,
  .contact-grid,
  .other-grid {
    grid-template-columns: 1fr;
  }

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

  .skills-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .hero {
    min-height: auto;
    padding-top: 2rem;
  }
}

@media (max-width: 720px) {
  .site-shell {
    width: min(calc(100% - 1rem), var(--container));
  }

  .topbar {
    align-items: flex-start;
    flex-wrap: wrap;
  }

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

  .nav {
    display: none;
    width: 100%;
    flex-direction: column;
    align-items: flex-start;
    border-radius: 22px;
  }

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

  .hero h1,
  .section-heading h2 {
    line-height: 1.02;
  }

  .hero-actions {
    flex-direction: column;
  }

  .button {
    width: 100%;
  }

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

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

  .project-modal {
    padding: 0.8rem;
    border-radius: 22px;
  }
}