/* Vincent Lam portfolio — GitHub Pages friendly, single CSS file (light theme) */

:root {
  color-scheme: light;
  /* Warm paper theme — base rgb(252, 248, 245) + variants */
  --paper: #fcf8f5;
  --paper-2: #f9f5f1;
  --paper-3: #f3ebe4;
  --paper-deep: #ebe3db;
  --bg-deep: var(--paper);
  --bg-elevated: #fffdfb;
  --bg-card: rgba(255, 253, 251, 0.94);
  --border: rgba(62, 44, 34, 0.09);
  --border-strong: rgba(62, 44, 34, 0.15);
  --text: #2a2420;
  --text-muted: #6b6058;
  --text-dim: #8a7f76;
  --accent: #a84a2e;
  --accent-2: #8b6914;
  --accent-warm: #b45309;
  --accent-soft: rgba(168, 74, 46, 0.12);
  --sketch-red: #d32f2f;
  --font-sketch: "Caveat", cursive;
  --rotating-ink: #b45309;
  --gradient-hero: linear-gradient(135deg, #9a3412 0%, #c17857 48%, #a16207 100%);
  --radius-lg: 20px;
  --radius-md: 14px;
  --radius-sm: 10px;
  --shadow-soft: 0 24px 60px rgba(62, 44, 34, 0.09);
  --shadow-card: 0 4px 24px rgba(62, 44, 34, 0.06);
  --font-sans: "DM Sans", system-ui, sans-serif;
  --font-display: "Outfit", var(--font-sans);
  --max: 1120px;
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-sans);
  font-size: 1.0625rem;
  line-height: 1.65;
  color: var(--text);
  background: linear-gradient(165deg, #fffdfb 0%, var(--paper) 42%, var(--paper-3) 100%);
  background-attachment: fixed;
  overflow-x: hidden;
}

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

a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

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

/* Atmospheric layers */
.noise {
  pointer-events: none;
  position: fixed;
  inset: 0;
  z-index: 0;
  opacity: 0.04;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

.glow {
  pointer-events: none;
  position: fixed;
  border-radius: 50%;
  filter: blur(100px);
  opacity: 0.45;
  z-index: 0;
}

.glow--1 {
  width: min(60vw, 520px);
  height: min(60vw, 520px);
  top: -12%;
  right: -8%;
  background: radial-gradient(circle, rgba(234, 179, 120, 0.38) 0%, transparent 70%);
}

.glow--2 {
  width: min(50vw, 420px);
  height: min(50vw, 420px);
  bottom: 10%;
  left: -10%;
  background: radial-gradient(circle, rgba(196, 132, 110, 0.22) 0%, transparent 70%);
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  padding: 1rem clamp(1.25rem, 4vw, 2rem);
  backdrop-filter: blur(16px);
  background: rgba(252, 248, 245, 0.88);
  border-bottom: 1px solid var(--border);
}

.nav {
  max-width: var(--max);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.nav__brand {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(0.95rem, 2.8vw, 1.2rem);
  letter-spacing: 0.04em;
  white-space: nowrap;
}

.nav__brand-text {
  background: var(--gradient-hero);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.nav__brand-avatar {
  width: clamp(1.5rem, 3.8vw, 2rem);
  height: clamp(1.5rem, 3.8vw, 2rem);
  border-radius: 50%;
  flex-shrink: 0;
  object-fit: cover;
}

.nav__links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  align-items: center;
  gap: 0.25rem 1.5rem;
}

.nav__links a {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--text-muted);
  transition: color 0.2s var(--ease-out);
}

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

.nav__social {
  display: flex;
  align-items: center;
  gap: 0.2rem;
}

.nav__icon-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: var(--radius-sm);
  color: var(--text-muted);
  transition:
    color 0.2s var(--ease-out),
    background 0.2s var(--ease-out);
}

.nav__icon-link:hover {
  color: var(--text);
  background: rgba(62, 44, 34, 0.06);
}

.nav__icon {
  width: 1.25rem;
  height: 1.25rem;
  flex-shrink: 0;
}

.nav__toggle {
  display: none;
  position: relative;
  width: 44px;
  height: 44px;
  padding: 0;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  background: var(--bg-elevated);
  cursor: pointer;
}

.nav__toggle-bar {
  display: block;
  width: 18px;
  height: 2px;
  margin: 4px auto;
  background: var(--text);
  border-radius: 1px;
  transition: transform 0.25s var(--ease-out), opacity 0.2s;
}

.nav__toggle-label {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

@media (max-width: 768px) {
  .nav__toggle {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
  }

  .nav__links {
    position: fixed;
    inset: 72px 1rem auto;
    flex-direction: column;
    align-items: stretch;
    padding: 1rem;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-strong);
    background: rgba(255, 255, 255, 0.97);
    box-shadow: var(--shadow-soft);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: opacity 0.25s var(--ease-out), transform 0.25s var(--ease-out), visibility 0.25s;
  }

  .nav__links.is-open {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }

  .nav__links a:not(.nav__icon-link) {
    padding: 0.65rem 0.75rem;
    border-radius: var(--radius-sm);
  }

  .nav__links a:not(.nav__icon-link):hover {
    background: rgba(62, 44, 34, 0.04);
  }

  .nav__social {
    justify-content: center;
    padding: 0.35rem 0;
  }

  .nav__icon-link:hover {
    background: rgba(62, 44, 34, 0.08);
  }
}

/* Layout */
main,
.site-footer {
  position: relative;
  z-index: 1;
}

main > section:not(:first-child) {
  border-top: 1px solid var(--border-strong);
}

.section {
  max-width: var(--max);
  margin: 0 auto;
  padding: clamp(2.65rem, 6vw, 4.5rem) clamp(1.25rem, 4vw, 2rem);
}

.section--tight {
  padding-top: clamp(1.65rem, 4vw, 2.5rem);
}

.section__eyebrow {
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0 0 0.75rem;
}

/* Sole section titles (main page sections — not small eyebrow labels) */
.section__heading {
  font-family: var(--font-display);
  font-size: clamp(1.1rem, 2.65vw, 1.5rem);
  font-weight: 700;
  letter-spacing: 0.11em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0 0 0.75rem;
  line-height: 1.25;
}

.section__title {
  font-family: var(--font-display);
  font-size: clamp(1.45rem, 3.35vw, 1.95rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin: 0 0 0.75rem;
}

.section__sub {
  margin: 0;
  max-width: 52ch;
  color: var(--text-muted);
  font-size: 1rem;
}

.section__head {
  margin-bottom: 2rem;
}

.section__head--gallery-intro .section__eyebrow,
.section__head--gallery-intro .section__heading {
  margin-bottom: 0.35rem;
}

.section__title--gallery-main {
  color: var(--text);
  font-size: clamp(1.65rem, 4vw, 2.5rem);
  font-weight: 700;
  letter-spacing: -0.035em;
  margin: 0 0 0.75rem;
}

/* Hero */
.hero {
  padding-top: clamp(2rem, 6vw, 4rem);
  padding-bottom: clamp(1.65rem, 4.5vw, 2.65rem);
}

.hero__grid {
  display: grid;
  gap: 1.5rem 2.5rem;
  grid-template-columns: 1fr;
}

@media (min-width: 900px) {
  .hero__grid {
    grid-template-columns: 1.15fr 0.85fr;
    grid-template-rows: auto auto auto auto 1fr;
    align-items: start;
  }

  .hero__eyebrow {
    grid-column: 1;
  }

  .hero__title {
    grid-column: 1;
  }

  .hero__lead {
    grid-column: 1;
  }

  .hero__actions {
    grid-column: 1;
  }

  .hero__profile-wrap {
    grid-column: 2;
    grid-row: 1 / -1;
    align-self: start;
    justify-self: center;
  }
}

.hero__eyebrow {
  margin: 0 0 0.65rem;
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--text-muted);
}

.hero__title {
  margin: 0;
  line-height: 1.18;
}

.hero__headline {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(1.85rem, 5.2vw, 3.15rem);
  font-weight: 700;
  letter-spacing: -0.025em;
  line-height: 1.2;
}

.hero__static {
  color: var(--text);
  font-weight: 700;
}

.hero__rotating-wrap {
  display: inline-block;
  min-width: 12.5ch;
  text-align: left;
  vertical-align: baseline;
}

.hero__rotating {
  display: inline-block;
  font-family: inherit;
  font-size: inherit;
  font-weight: 700;
  letter-spacing: inherit;
  line-height: inherit;
  color: var(--rotating-ink);
  transition: opacity 0.35s var(--ease-out), transform 0.35s var(--ease-out);
}

.hero__rotating.is-animating {
  opacity: 0;
  transform: translateY(6px);
}

.hero__lead {
  margin: 0;
  max-width: 54ch;
  color: var(--text-muted);
  font-size: 1.0625rem;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 0.25rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.35rem;
  font-family: inherit;
  font-size: 0.9375rem;
  font-weight: 600;
  border-radius: 999px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.2s var(--ease-out), box-shadow 0.2s var(--ease-out), background 0.2s;
}

.btn--primary {
  background: linear-gradient(135deg, #9a3412, #b45309);
  color: #fff;
  box-shadow: 0 10px 36px rgba(154, 52, 18, 0.22);
}

.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 44px rgba(180, 83, 9, 0.28);
}

.btn--ghost {
  background: transparent;
  border-color: var(--border-strong);
  color: var(--text);
}

.btn--ghost:hover {
  border-color: rgba(168, 74, 46, 0.35);
  background: rgba(168, 74, 46, 0.06);
}

.hero__panel {
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-strong);
  background: linear-gradient(155deg, #fffdfb 0%, var(--paper-2) 100%);
  box-shadow: var(--shadow-soft);
  overflow: hidden;
}

.hero__profile-wrap {
  display: flex;
  flex-direction: row;
  align-items: flex-start;
  justify-content: center;
  gap: 0;
  width: fit-content;
  max-width: 100%;
  margin-left: auto;
  margin-right: auto;
  position: relative;
  isolation: isolate;
}

.hero__sketch {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  flex-shrink: 0;
  padding-top: 0.35rem;
  min-width: 6.5rem;
  user-select: none;
  /* Label overlaps the photo edge */
  margin-left: -2.75rem;
  z-index: 1;
}

.hero__sketch-text {
  font-family: var(--font-sketch);
  font-size: clamp(1.5rem, 3.8vw, 2rem);
  font-weight: 600;
  color: var(--sketch-red);
  line-height: 1.05;
  transform: rotate(-3deg);
  /* Thin light edge so red stays readable when crossing the portrait */
  text-shadow: 0 0.5px 0 rgba(211, 47, 47, 0.12), 0 0 0.08em rgba(252, 248, 245, 0.98),
    0 0 0.2em rgba(252, 248, 245, 0.75);
}

@media (max-width: 380px) {
  .hero__sketch {
    margin-left: -1.85rem;
  }
}

@media (max-width: 480px) {
  .hero__panel--image {
    width: min(100%, 220px);
  }

  .hero__sketch {
    margin-left: -1.5rem;
  }

  .hero__sketch-text {
    font-size: 1.35rem;
  }
}

.hero__panel--image {
  padding: 0;
  line-height: 0;
  width: min(100%, 320px);
  aspect-ratio: 1 / 1;
  flex-shrink: 0;
  position: relative;
  z-index: 0;
  /* Inset vignette: eases hard crop edges into the paper frame */
  box-shadow: var(--shadow-soft), inset 0 0 40px rgba(252, 248, 245, 0.45),
    inset 0 0 1px rgba(62, 44, 34, 0.06);
}

.hero__highlights-img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  margin: 0;
  /* Slightly softer than raw PNG-at-small-size (less “digital crisp”) */
  filter: contrast(0.97) saturate(0.98);
}

/* Projects */
.project-grid {
  display: grid;
  gap: 1.25rem;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
}

.project-card {
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border);
  background: var(--bg-elevated);
  transition: transform 0.35s var(--ease-out), border-color 0.35s, box-shadow 0.35s;
}

.project-card:hover {
  transform: translateY(-6px);
  border-color: rgba(168, 74, 46, 0.22);
  box-shadow: 0 20px 48px rgba(62, 44, 34, 0.1);
}

.project-card__visual {
  height: 140px;
  background-size: 200% 200%;
  animation: gradient-shift 8s ease infinite;
}

.project-card__visual--1 {
  background-image: linear-gradient(135deg, #38bdf8, #818cf8, #c084fc);
}

.project-card__visual--2 {
  background-image: linear-gradient(135deg, #67e8f9, #60a5fa, #a78bfa);
  animation-delay: -2s;
}

.project-card__visual--3 {
  background-image: linear-gradient(135deg, #fcd34d, #f472b6, #a78bfa);
  animation-delay: -4s;
}

.project-card__visual--4 {
  background-image: linear-gradient(135deg, #6ee7b7, #22d3ee, #818cf8);
  animation-delay: -6s;
}

@keyframes gradient-shift {
  0%,
  100% {
    background-position: 0% 50%;
  }
  50% {
    background-position: 100% 50%;
  }
}

.project-card__body {
  padding: 1.25rem 1.35rem 1.4rem;
}

.project-card__title {
  font-family: var(--font-display);
  font-size: 1.125rem;
  font-weight: 600;
  margin: 0 0 0.5rem;
  letter-spacing: -0.02em;
}

.project-card__desc {
  margin: 0;
  font-size: 0.9375rem;
  color: var(--text-muted);
  line-height: 1.55;
}

/* Career & Education — scrollable rail + detail panel (hover / focus) */
.resume-unified {
  width: 100%;
}

.resume-panel {
  min-width: 0;
  background: linear-gradient(165deg, #fffdfb 0%, var(--paper-2) 100%);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.35rem 1.2rem 1.5rem;
  box-shadow: var(--shadow-card);
}

.timeline__kind {
  margin: 0 0 0.38rem;
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
}

/* Scrollable rail + hover / focus detail panel */
.resume-panel--interactive {
  --timeline-rust: #a0522d;
  display: grid;
  grid-template-columns: minmax(8.75rem, 10.5rem) minmax(0, 1fr);
  gap: 1.15rem 1.35rem;
  align-items: start;
}

.timeline-rail-scroll {
  position: relative;
  z-index: 2;
  width: 100%;
  max-width: 10.5rem;
  max-height: min(70vh, 34rem);
  overflow-y: auto;
  overflow-x: hidden;
  padding: 0.55rem 0.45rem 0.55rem 0.4rem;
  scrollbar-gutter: stable;
  border-radius: 1.5rem;
  background: rgba(168, 74, 46, 0.05);
  border: 1px solid rgba(62, 44, 34, 0.08);
  box-shadow: inset 0 1px 0 rgba(255, 253, 251, 0.65);
}

/* Vertical capsule rail (rounded ends via border-radius only) */
.timeline-rail-line {
  --rail-w: 6px;
  position: absolute;
  /* Align to hollow node centers: scroll padding + button padding + half node − half rail */
  left: calc(0.4rem + 3px);
  top: 0.85rem;
  bottom: 0.85rem;
  width: var(--rail-w);
  border-radius: 999px;
  background: linear-gradient(
    180deg,
    rgba(160, 82, 45, 0.45) 0%,
    var(--timeline-rust) 18%,
    var(--timeline-rust) 82%,
    rgba(160, 82, 45, 0.45) 100%
  );
  opacity: 0.92;
  pointer-events: none;
  box-shadow: inset 0 0 0 1px rgba(255, 253, 251, 0.35);
}

.timeline-rail {
  list-style: none;
  margin: 0;
  padding: 0;
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.timeline-rail__item {
  margin: 0;
}

.timeline-rail__btn {
  display: flex;
  align-items: flex-start;
  gap: 0.35rem;
  width: 100%;
  margin: 0;
  padding: 0.45rem 0.3rem 0.45rem 0.1rem;
  border: none;
  border-radius: var(--radius-sm);
  background: transparent;
  font: inherit;
  text-align: left;
  cursor: pointer;
  color: var(--text);
  transition: background 0.18s var(--ease-out), box-shadow 0.18s var(--ease-out);
}

.timeline-rail__btn:hover {
  background: transparent;
}

.timeline-rail__btn:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.timeline-rail__btn.is-active {
  background: transparent;
  box-shadow: none;
}

.timeline-rail__node {
  flex-shrink: 0;
  width: 12px;
  height: 12px;
  margin-top: 0.2rem;
  border: 2px solid var(--timeline-rust);
  border-radius: 50%;
  background: linear-gradient(165deg, #fffdfb 0%, #faf6f2 100%);
  box-shadow: 0 0 0 1px rgba(255, 253, 251, 0.95);
  transition:
    background 0.18s var(--ease-out),
    border-color 0.18s var(--ease-out),
    box-shadow 0.18s var(--ease-out);
}

.timeline-rail__btn:hover .timeline-rail__node,
.timeline-rail__btn:focus-visible .timeline-rail__node {
  background: var(--timeline-rust);
  border-color: var(--timeline-rust);
  box-shadow: 0 0 0 1px rgba(255, 253, 251, 0.5);
}

.timeline-rail__btn.is-active .timeline-rail__node {
  background: var(--timeline-rust);
  border-color: var(--timeline-rust);
  box-shadow: 0 0 0 1px rgba(255, 253, 251, 0.5);
}

.timeline-rail__meta {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  min-width: 0;
}

.timeline-rail__year {
  font-size: 0.9375rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--timeline-rust);
  line-height: 1.15;
}

.timeline-rail__kind {
  font-size: 0.625rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  opacity: 0.9;
}

.timeline-detail {
  position: sticky;
  top: 5.5rem;
  z-index: 1;
  min-width: 0;
}

.timeline-detail__card {
  min-height: 11.25rem;
}

.timeline-detail__card:has(.timeline-pair) {
  min-height: unset;
}

.timeline__card {
  --timeline-logo-col: 4.75rem;
  padding: 0.9rem 1.05rem;
  margin: 0;
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  background: #fffdfb;
  box-shadow: 0 4px 18px rgba(62, 44, 34, 0.07);
}

/* Same grid + logo column as .timeline-pair (2018) */
.timeline__card--has-logo {
  display: grid;
  grid-template-columns: minmax(0, 1fr) var(--timeline-logo-col);
  column-gap: 1.15rem;
  row-gap: 0.42rem;
  align-items: center;
}

.timeline__card--has-logo > .timeline__body {
  grid-column: 1;
}

.timeline__card--has-logo > .timeline__logo {
  grid-column: 2;
  grid-row: 1;
  align-self: center;
  justify-self: center;
  margin: 0;
}

/* Detail panel keeps --has-logo on the outer article; 2018 merged content uses .timeline-pair instead */
.timeline-detail__card.timeline__card--has-logo:has(.timeline-pair) {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 0;
}

.timeline__body {
  min-width: 0;
}

.timeline__logo {
  flex-shrink: 0;
  width: var(--timeline-logo-col, 4.75rem);
  height: var(--timeline-logo-col, 4.75rem);
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  background: #fff;
  border: 1px solid var(--border);
  padding: 0.4rem;
}

.timeline__logo img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

/* 2018 Career + Education: two rows; shared-width logo column so marks line up */
.timeline__card--paired {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.timeline-pair {
  display: grid;
  grid-template-columns: minmax(0, 1fr) var(--timeline-logo-col);
  column-gap: 1.15rem;
  row-gap: 0.42rem;
  align-items: center;
}

.timeline-pair .timeline__body {
  grid-column: 1;
}

.timeline-pair .timeline__logo {
  grid-column: 2;
  grid-row: 1;
  margin: 0;
  align-self: center;
  justify-self: center;
}

.timeline-pair--split {
  margin-top: 0.85rem;
  padding-top: 0.85rem;
  border-top: 1px solid var(--border);
}

@media (max-width: 520px) {
  .timeline__card--has-logo {
    grid-template-columns: 1fr;
  }

  .timeline__card--has-logo > .timeline__logo {
    grid-column: 1;
    grid-row: auto;
    justify-self: end;
    margin-top: 0.35rem;
  }

  .timeline-pair {
    grid-template-columns: 1fr;
    align-items: start;
  }

  .timeline-pair .timeline__logo {
    grid-column: 1;
    grid-row: auto;
    justify-self: end;
    margin-top: 0.35rem;
  }
}

.timeline__role {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 600;
  margin: 0 0 0.3rem;
  letter-spacing: -0.02em;
  color: var(--text);
  line-height: 1.32;
}

.timeline__gpa {
  display: inline-block;
  margin-left: 0.45rem;
  font-size: 0.78em;
  font-weight: 700;
  color: var(--accent-warm);
  letter-spacing: 0;
}

.timeline__org {
  margin: 0 0 0.55rem;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-muted);
}

.timeline__text {
  margin: 0;
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.55;
}

@media (max-width: 800px) {
  .resume-panel--interactive {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  .timeline-rail-scroll {
    max-width: none;
    max-height: min(38vh, 15rem);
  }

  .timeline-detail {
    position: relative;
    top: auto;
  }
}

/* Certifications — tabs + badge cards */
.cert-block {
  max-width: 56rem;
  margin: 0 auto;
}

.cert-toolbar {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
}

.cert-tab {
  font-family: inherit;
  font-size: 0.8125rem;
  font-weight: 600;
  padding: 0.45rem 0.95rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text-muted);
  cursor: pointer;
  transition: background 0.2s, color 0.2s, border-color 0.2s;
}

.cert-tab:hover {
  color: var(--text);
  border-color: var(--border-strong);
}

.cert-tab.is-active {
  background: rgba(168, 74, 46, 0.1);
  border-color: rgba(168, 74, 46, 0.32);
  color: var(--text);
}

.cert-panels {
  min-height: 8rem;
}

.cert-panel[hidden] {
  display: none !important;
}

.cert-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(10.5rem, 1fr));
  gap: 1.5rem 1.25rem;
  align-items: start;
}

.cert-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 0.85rem;
  margin: 0;
  padding: 0;
}

.cert-card__badge {
  width: 100%;
  max-width: 9rem;
  margin: 0 auto;
  aspect-ratio: 1;
  display: flex;
  align-items: center;
  justify-content: center;
}

.cert-card__badge img {
  width: 100%;
  height: auto;
  max-height: 100%;
  object-fit: contain;
  display: block;
  border-radius: var(--radius-sm);
  box-shadow: 0 6px 20px rgba(62, 44, 34, 0.08);
}

.cert-card__title {
  font-family: var(--font-sans);
  font-size: 0.8125rem;
  font-weight: 600;
  line-height: 1.4;
  margin: 0;
  color: var(--text-muted);
  max-width: 14rem;
}

@media (max-width: 520px) {
  .cert-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.25rem 0.85rem;
  }
}

/* Contact */
.section--contact {
  border-top: none;
  padding-top: clamp(2rem, 5vw, 3rem);
  padding-bottom: clamp(2rem, 5.5vw, 3.25rem);
}

.contact-panel {
  padding: clamp(1.35rem, 3.25vw, 2rem) clamp(1.25rem, 3vw, 1.75rem);
  border-radius: calc(var(--radius-lg) + 2px);
  background: linear-gradient(135deg, #fde8e0 0%, #f5e6dc 42%, #ebe0d4 100%);
  border: 1px solid rgba(62, 44, 34, 0.1);
  box-shadow: 0 16px 44px rgba(62, 44, 34, 0.1);
  text-align: center;
}

.contact-panel__eyebrow {
  margin-bottom: 0.35rem;
}

.contact-panel__title {
  font-family: var(--font-display);
  font-size: clamp(1.15rem, 2.65vw, 1.5rem);
  font-weight: 700;
  margin: 0 0 0.85rem;
  letter-spacing: -0.02em;
  color: var(--text);
  line-height: 1.25;
}

.contact-panel__tagline {
  margin: 0 0 1.75rem;
  color: var(--text-muted);
  font-size: 1rem;
}

.contact-panel__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  justify-content: center;
  align-items: center;
  list-style: none;
  margin: 0;
  padding: 0;
}

.contact-panel__actions li {
  margin: 0;
  padding: 0;
}

.contact-panel__icon-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.85rem;
  height: 2.85rem;
  border-radius: 999px;
  color: var(--text);
  background: rgba(255, 253, 251, 0.55);
  border: 1px solid rgba(62, 44, 34, 0.14);
  box-shadow: 0 1px 0 rgba(255, 253, 251, 0.65);
  transition:
    color 0.2s var(--ease-out),
    background 0.2s var(--ease-out),
    border-color 0.2s var(--ease-out),
    box-shadow 0.2s var(--ease-out);
}

.contact-panel__icon-link:hover {
  color: var(--text);
  background: rgba(255, 255, 255, 0.88);
  border-color: rgba(168, 74, 46, 0.35);
  box-shadow: 0 0 0 1px rgba(168, 74, 46, 0.12);
}

.contact-panel__icon {
  width: 1.3rem;
  height: 1.3rem;
  flex-shrink: 0;
}

/* Footer */
.site-footer {
  padding: 2rem clamp(1.25rem, 4vw, 2rem) 3rem;
  text-align: center;
  font-size: 0.875rem;
  color: var(--text-dim);
  border-top: 1px solid var(--border);
}

/* Reveal animation */
.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.65s var(--ease-out), transform 0.65s var(--ease-out);
}

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

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

  .project-card__visual {
    animation: none;
  }

  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .btn--primary:hover {
    transform: none;
  }
}