:root {
  --bg: #f5f1ea;
  --bg-line: rgba(28, 23, 20, 0.08);
  --text: #171412;
  --muted: #665e56;
  --accent: #8d6042;
  --surface: rgba(255, 255, 255, 0.56);
  --surface-strong: rgba(255, 255, 255, 0.82);
  --shadow: 0 18px 38px rgba(43, 31, 20, 0.05);
  --shadow-soft: 0 10px 22px rgba(43, 31, 20, 0.045);
  --radius: 18px;
  --max-width: 1180px;
  --duration-fast: 160ms;
  --duration-medium: 240ms;
  --duration-reveal: 560ms;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --nav-offset: 6rem;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--nav-offset) + 0.35rem);
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text);
  background:
    linear-gradient(to right, transparent 0, transparent calc(100% - 1px), var(--bg-line) calc(100% - 1px), var(--bg-line) 100%),
    linear-gradient(180deg, #faf7f2 0%, var(--bg) 100%);
  background-size: 100% 100%, 100% 100%;
}

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

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

h1,
h2,
p,
ul {
  margin: 0;
}

.frame {
  width: min(calc(100% - 2rem), var(--max-width));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  background: rgba(245, 241, 234, 0.72);
  border-bottom: 1px solid rgba(28, 23, 20, 0.06);
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  min-height: 4.25rem;
}

.brand {
  font-weight: 700;
  letter-spacing: -0.03em;
}

.topnav {
  display: flex;
  flex-wrap: wrap;
  gap: 1.2rem;
}

.topnav a,
.action-link,
.contact-links a,
.project-item {
  transition:
    color var(--duration-medium) var(--ease),
    transform var(--duration-fast) var(--ease),
    opacity var(--duration-medium) var(--ease),
    border-color var(--duration-medium) var(--ease),
    background-color var(--duration-medium) var(--ease),
    box-shadow var(--duration-medium) var(--ease);
}

.topnav a {
  color: var(--muted);
  font-size: 0.95rem;
  position: relative;
}

.topnav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -0.32rem;
  width: 100%;
  height: 1px;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--duration-medium) var(--ease);
}

.topnav a:hover,
.topnav a:focus-visible,
.topnav a.is-active {
  color: var(--text);
}

.topnav a:hover::after,
.topnav a:focus-visible::after,
.topnav a.is-active::after {
  transform: scaleX(1);
}

main {
  padding: 0.95rem 0 2.85rem;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(300px, 0.82fr);
  gap: clamp(1rem, 2.4vw, 2rem);
  align-items: center;
  padding: 0.25rem 0 0.95rem;
}

.meta-line,
.section-name,
.project-kicker,
.timeline-org,
.timeline-date {
  font-size: 0.74rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
}

.hero-text {
  max-width: 33rem;
  padding-top: 0.05rem;
}

h1,
h2,
.brand,
.action-link {
  letter-spacing: -0.05em;
}

h1 {
  margin-top: 0.48rem;
  max-width: 12ch;
  font-size: clamp(1.78rem, 2.75vw, 2.85rem);
  line-height: 0.9;
  text-wrap: balance;
}

.hero-summary,
.timeline-summary,
.timeline-body ul,
.project-item p,
.skills-row p,
.contact-intro,
.contact-links a {
  color: var(--muted);
  line-height: 1.72;
}

.hero-summary {
  margin-top: 0.56rem;
  max-width: 37ch;
  font-size: 0.9rem;
  line-height: 1.44;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.42rem 0.5rem;
  margin-top: 0.72rem;
}

.action-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.24rem;
  padding: 0.56rem 0.82rem;
  border: 1px solid rgba(23, 20, 18, 0.1);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.66);
  box-shadow: var(--shadow-soft);
  color: var(--muted);
  font-size: 0.91rem;
}

.action-link.is-primary {
  color: var(--text);
  border-color: rgba(23, 20, 18, 0.16);
  background: rgba(255, 255, 255, 0.9);
}

.action-link:hover,
.action-link:focus-visible,
.project-item:hover,
.project-item:focus-visible,
.contact-links a:hover,
.contact-links a:focus-visible {
  color: var(--text);
  transform: translate3d(0, -1px, 0);
}

.action-link:hover,
.action-link:focus-visible {
  border-color: rgba(23, 20, 18, 0.16);
  background: rgba(255, 255, 255, 0.92);
}

.action-link:active,
.contact-links a:active {
  transform: translate3d(0, 0, 0) scale(0.985);
}

.hero-side {
  display: grid;
  align-self: end;
  justify-items: center;
  padding-top: 0.28rem;
}

.portrait-wrap {
  justify-self: center;
  width: min(100%, 412px);
  padding: 0.28rem;
  background: var(--surface-strong);
  box-shadow: var(--shadow);
}

.portrait {
  width: 100%;
  aspect-ratio: 4 / 4.85;
  object-fit: cover;
  object-position: center 12%;
  background: #f2ece4;
}

.portrait-wrap:hover,
.portrait-wrap:focus-within {
  transform: translate3d(0, -2px, 0);
  box-shadow: 0 22px 40px rgba(43, 31, 20, 0.07);
}

.section {
  display: grid;
  grid-template-columns: 170px minmax(0, 1fr);
  gap: 1.55rem;
  padding: 1.2rem 0 1.45rem;
  border-top: 1px solid rgba(23, 20, 18, 0.09);
  scroll-margin-top: calc(var(--nav-offset) + 0.35rem);
}

.section-rail {
  padding-top: 0.15rem;
}

.section-name {
  color: var(--muted);
}

.timeline {
  display: grid;
}

.timeline-entry {
  display: grid;
  grid-template-columns: 156px minmax(0, 1fr);
  gap: 0.92rem;
  padding: 0.82rem 0;
  border-top: 1px solid rgba(23, 20, 18, 0.09);
}

.timeline-entry:first-child {
  padding-top: 0;
  border-top: 0;
}

.timeline-body {
  position: relative;
}

.timeline-body h2 {
  font-size: clamp(1.18rem, 1.8vw, 1.58rem);
  line-height: 1.08;
}

.timeline-org {
  margin-top: 0.2rem;
  color: #7c695a;
}

.timeline-summary {
  margin-top: 0.5rem;
  max-width: 54ch;
  line-height: 1.62;
}

.timeline-body ul {
  margin: 0.58rem 0 0;
  padding-left: 1.1rem;
  display: grid;
  gap: 0.28rem;
  line-height: 1.62;
}

.timeline-entry:hover .timeline-body,
.timeline-entry:focus-within .timeline-body {
  transform: translate3d(6px, 0, 0);
}

.timeline-body,
.timeline-entry {
  transition: transform var(--duration-medium) var(--ease), opacity var(--duration-medium) var(--ease);
}

.project-list {
  display: grid;
  gap: 0.9rem;
}

.project-item {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(250px, 0.72fr);
  gap: 0.85rem;
  align-items: start;
  padding: 0.82rem 0;
  border-top: 1px solid rgba(23, 20, 18, 0.09);
}

.project-item:first-child {
  border-top: 0;
  padding-top: 0;
}

.project-item h2 {
  margin-top: 0.2rem;
  font-size: clamp(1.45rem, 2.2vw, 2rem);
  line-height: 1.04;
}

.project-item:hover,
.project-item:focus-visible {
  background: linear-gradient(90deg, rgba(255,255,255,0.44), transparent);
  border-color: rgba(23, 20, 18, 0.18);
  transform: translate3d(3px, 0, 0);
}

.project-item[data-clickable="true"] {
  cursor: pointer;
}

.skills-main {
  display: grid;
  gap: 1rem;
}

.skills-row {
  display: grid;
  grid-template-columns: 150px minmax(0, 1fr);
  gap: 1rem;
  padding: 0.9rem 0;
  border-top: 1px solid rgba(23, 20, 18, 0.09);
}

.skills-row:first-child {
  padding-top: 0;
  border-top: 0;
}

.skills-row span {
  color: var(--accent);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.contact-main {
  display: grid;
  gap: 1.35rem;
}

.contact-intro {
  max-width: 24ch;
  font-size: clamp(1.45rem, 2.4vw, 2rem);
  line-height: 1.12;
  color: var(--text);
}

.contact-links {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 280px));
  gap: 0.75rem;
}

.contact-button {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  min-height: 3rem;
  padding: 0.78rem 0.95rem;
  border: 1px solid rgba(23, 20, 18, 0.1);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.62);
  box-shadow: var(--shadow-soft);
  overflow: hidden;
}

.contact-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.2rem;
  height: 1.2rem;
  color: var(--text);
  flex: 0 0 auto;
}

.contact-icon svg {
  width: 100%;
  height: 100%;
}

.contact-copy {
  position: relative;
  display: grid;
  min-width: 0;
  min-height: 1.25rem;
  align-items: center;
}

.contact-label,
.contact-detail {
  grid-area: 1 / 1;
  white-space: nowrap;
  transition:
    opacity var(--duration-medium) var(--ease),
    transform var(--duration-medium) var(--ease);
}

.contact-detail {
  opacity: 0;
  transform: translate3d(0, 6px, 0);
  font-size: 0.94rem;
}

.contact-button-reveal:hover .contact-label,
.contact-button-reveal:focus-visible .contact-label {
  opacity: 0;
  transform: translate3d(0, -6px, 0);
}

.contact-button-reveal:hover .contact-detail,
.contact-button-reveal:focus-visible .contact-detail {
  opacity: 1;
  transform: translate3d(0, 0, 0);
}

.contact-static {
  white-space: nowrap;
}

.contact-button:hover,
.contact-button:focus-visible {
  border-color: rgba(23, 20, 18, 0.16);
  background: rgba(255, 255, 255, 0.88);
  box-shadow: 0 14px 28px rgba(43, 31, 20, 0.06);
}

.reveal {
  opacity: 0;
  transform: translate3d(0, 16px, 0);
  transition:
    opacity var(--duration-reveal) var(--ease),
    transform var(--duration-reveal) var(--ease);
}

.reveal-delay {
  transition-delay: 90ms;
}

.reveal.is-visible,
.reveal-delay.is-visible {
  opacity: 1;
  transform: translate3d(0, 0, 0);
}

@media (max-width: 960px) {
  :root {
    --nav-offset: 6.9rem;
  }

  .hero,
  .section,
  .timeline-entry,
  .project-item,
  .skills-row,
  .contact-links {
    grid-template-columns: 1fr;
  }

  .contact-button-reveal .contact-label {
    opacity: 0;
    transform: translate3d(0, -6px, 0);
  }

  .contact-button-reveal .contact-detail {
    opacity: 1;
    transform: translate3d(0, 0, 0);
  }

  .hero {
    gap: 0.85rem;
    padding-top: 0.35rem;
    padding-bottom: 0.95rem;
  }

  .hero-text,
  .hero-side {
    padding-top: 0;
  }

  .portrait-wrap {
    justify-self: center;
    width: min(100%, 352px);
    padding: 0.22rem;
  }

  .portrait {
    aspect-ratio: 4 / 4.55;
    object-fit: cover;
    object-position: center 11%;
  }


  .section {
    gap: 1rem;
  }

  .timeline-entry,
  .project-item,
  .skills-row {
    gap: 0.7rem;
  }
}

@media (max-width: 720px) {
  :root {
    --nav-offset: 8rem;
  }

  .frame {
    width: min(calc(100% - 1rem), var(--max-width));
  }

  .topbar {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.48rem;
    padding: 0.58rem 0;
  }

  .topnav {
    width: 100%;
    gap: 0.48rem 0.76rem;
  }

  main {
    padding-top: 1.1rem;
  }

  .hero {
    gap: 0.68rem;
    padding-top: 0.25rem;
    padding-bottom: 0.9rem;
  }

  .hero-text {
    max-width: none;
  }

  h1 {
    max-width: 11.8ch;
    font-size: clamp(1.36rem, 5.25vw, 1.86rem);
    line-height: 0.94;
  }

  .hero-summary {
    margin-top: 0.5rem;
    max-width: 33ch;
    font-size: 0.86rem;
    line-height: 1.42;
  }

  .hero-actions {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.42rem;
    margin-top: 0.66rem;
  }

  .action-link {
    min-height: 2.5rem;
    padding: 0.62rem 0.72rem;
    font-size: 0.9rem;
  }

  .portrait-wrap {
    width: min(100%, 100%);
    max-width: 298px;
    padding: 0.14rem;
  }

  .portrait {
    aspect-ratio: 4 / 4.26;
    object-fit: cover;
    object-position: center 8%;
  }

  .project-list {
    gap: 0.55rem;
  }

  .section {
    padding: 1rem 0 1.2rem;
  }
}

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

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

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