/* Vo, Pham & Tran — modern variant
   Editorial / minimal. Cream paper, near-black ink, single clay accent.
   Fraunces (display) + Inter (body). */

:root {
  --paper: #f5f1ea;
  --paper-soft: #efe9df;
  --ink: #0e0d0c;
  --ink-soft: #2a2724;
  --mute: #6f6a62;
  --line: #d8d1c2;
  --accent: #c0461d;
  --accent-deep: #9a3614;
  --maxw: 1240px;
  --gutter: clamp(1.25rem, 4vw, 2.5rem);
  --radius: 4px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  font-size: 17px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  font-feature-settings: "ss01", "cv11";
}
a { color: inherit; text-decoration: none; }

::selection { background: var(--ink); color: var(--paper); }

/* ---------- Typography primitives ---------- */
.display, .h2 {
  font-family: "Fraunces", "Times New Roman", serif;
  font-weight: 500;
  color: var(--ink);
  letter-spacing: -.02em;
  margin: 0;
}
.display {
  font-size: clamp(3rem, 8vw, 6.5rem);
  line-height: .98;
  font-variation-settings: "opsz" 144;
}
.display em {
  font-style: italic;
  color: var(--accent);
  font-variation-settings: "opsz" 144;
}
.h2 {
  font-size: clamp(2.1rem, 4.4vw, 3.4rem);
  line-height: 1.05;
  font-variation-settings: "opsz" 96;
}
h3 {
  font-family: "Fraunces", serif;
  font-weight: 500;
  font-size: 1.4rem;
  letter-spacing: -.01em;
  margin: 0 0 .35rem;
  color: var(--ink);
  font-variation-settings: "opsz" 24;
}
p { margin: 0 0 1em; color: var(--ink-soft); }
em { font-style: italic; }

.eyebrow, .kicker {
  font-family: "Inter", sans-serif;
  font-size: .72rem;
  letter-spacing: .28em;
  text-transform: uppercase;
  font-weight: 500;
  color: var(--mute);
  margin: 0 0 1.25rem;
  display: block;
}
.kicker span { display: inline-block; padding-bottom: .35rem; border-bottom: 1px solid var(--ink); color: var(--ink); }

/* ---------- Section frame ---------- */
.section__wrap {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: clamp(4.5rem, 9vw, 7rem) var(--gutter);
}
.split {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}
@media (min-width: 880px) {
  .split { grid-template-columns: 1fr 1.5fr; gap: clamp(2rem, 6vw, 5rem); align-items: start; }
}

/* ---------- Topbar ---------- */
.topbar {
  position: sticky; top: 0; z-index: 50;
  background: rgba(245, 241, 234, .88);
  backdrop-filter: saturate(140%) blur(10px);
  -webkit-backdrop-filter: saturate(140%) blur(10px);
  border-bottom: 1px solid var(--line);
}
.topbar__row {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: .85rem var(--gutter);
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 1.25rem;
}
.mark { display: inline-flex; align-items: center; gap: .8rem; min-width: 0; }
.mark__glyph svg { display: block; border-radius: 10px; }
.mark__lockup { display: flex; flex-direction: column; line-height: 1.05; min-width: 0; }
.mark__name {
  font-family: "Fraunces", serif;
  font-weight: 500;
  font-size: 1.05rem;
  letter-spacing: -.01em;
  color: var(--ink);
}
.mark__sub {
  font-size: .68rem;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--mute);
  margin-top: 3px;
}

.topnav {
  display: flex;
  justify-content: center;
  gap: 1.6rem;
  font-size: .9rem;
  color: var(--ink);
}
.topnav a {
  position: relative;
  padding: .25rem 0;
  font-weight: 500;
}
.topnav a::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -3px;
  height: 1px; background: var(--accent);
  transform: scaleX(0); transform-origin: left;
  transition: transform .25s ease;
}
.topnav a:hover::after { transform: scaleX(1); }

.topbar__cta { display: flex; align-items: center; gap: .65rem; justify-content: end; }
.lang {
  background: transparent;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: .4rem .7rem;
  font: inherit;
  font-size: .78rem;
  font-weight: 500;
  letter-spacing: .04em;
  color: var(--mute);
  cursor: pointer;
}
.lang:hover { border-color: var(--ink); color: var(--ink); }
.lang__sep { margin: 0 .3em; color: var(--line); }
.topbar[data-lang="en"] .lang [data-lang-en] { color: var(--ink); }
.topbar[data-lang="vi"] .lang [data-lang-vi] { color: var(--ink); }

.pill {
  display: inline-flex; align-items: center;
  background: var(--ink);
  color: var(--paper);
  padding: .55rem 1rem;
  border-radius: 999px;
  font-size: .85rem;
  font-weight: 500;
  letter-spacing: .04em;
  transition: background .18s;
  white-space: nowrap;
}
.pill:hover { background: var(--accent); }

/* ---------- Lede / hero ---------- */
.lede { padding-top: clamp(2rem, 5vw, 4rem); }
.lede__wrap {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: clamp(3rem, 8vw, 6rem) var(--gutter) clamp(4rem, 8vw, 6rem);
}
.lede__body {
  max-width: 620px;
  font-size: clamp(1.05rem, 1.4vw, 1.2rem);
  color: var(--ink-soft);
  margin: 1.6rem 0 0;
}
.lede__cta {
  display: flex; gap: .9rem; flex-wrap: wrap;
  margin: 2.25rem 0 3rem;
}
.btn {
  display: inline-flex; align-items: center; gap: .35rem;
  background: var(--ink);
  color: var(--paper);
  padding: .95rem 1.5rem;
  border-radius: 999px;
  font-weight: 500;
  font-size: .96rem;
  letter-spacing: .01em;
  border: 1px solid var(--ink);
  transition: background .18s, color .18s, border-color .18s;
}
.btn:hover { background: var(--accent); border-color: var(--accent); }
.btn--ghost { background: transparent; color: var(--ink); border-color: var(--ink); }
.btn--ghost:hover { background: var(--ink); color: var(--paper); }

.meta-row {
  list-style: none;
  padding: 1.5rem 0 0;
  margin: 0;
  border-top: 1px solid var(--line);
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}
@media (min-width: 720px) { .meta-row { grid-template-columns: repeat(3, 1fr); gap: 1.5rem; } }
.meta-row li { display: flex; flex-direction: column; gap: .15rem; }
.meta-row__k { font-size: .7rem; letter-spacing: .22em; text-transform: uppercase; color: var(--mute); }
.meta-row__v { font-family: "Fraunces", serif; font-size: 1.05rem; color: var(--ink); font-variation-settings: "opsz" 14; }

/* ---------- Work ---------- */
.work { background: var(--paper-soft); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.work__list {
  list-style: none;
  padding: 0;
  margin: 2.5rem 0 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  border-top: 1px solid var(--line);
}
.work__item {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 1.5rem;
  padding: 1.75rem 0;
  border-bottom: 1px solid var(--line);
  align-items: baseline;
  transition: background .2s;
}
.work__item:hover { background: rgba(192, 70, 29, .04); }
.work__num {
  font-family: "Fraunces", serif;
  font-style: italic;
  font-size: 1.5rem;
  color: var(--accent);
  letter-spacing: -.01em;
  font-variation-settings: "opsz" 24;
}
.work__item h3 { margin-bottom: .35rem; }
.work__item p { margin: 0; max-width: 720px; color: var(--ink-soft); }

@media (min-width: 880px) {
  .work__list { grid-template-columns: 1fr 1fr; gap: 0 4rem; }
  .work__item { padding: 2rem 0; }
}

/* ---------- About ---------- */
.about__copy p { font-size: 1.08rem; max-width: 640px; }
.about__copy p:last-child { margin-bottom: 0; }

/* ---------- Khanh ---------- */
.khanh { background: var(--paper-soft); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.khanh__split { gap: clamp(2rem, 6vw, 5rem); }
@media (min-width: 880px) { .khanh__split { grid-template-columns: 1.05fr 1.2fr; align-items: start; } }
.khanh__photo {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  aspect-ratio: 1;
  background: var(--ink);
}
.khanh__photo img {
  width: 100%; height: 100%; object-fit: cover; display: block;
  filter: contrast(1.02) saturate(.95);
}
.khanh__caption {
  margin: .85rem 0 0;
  font-size: .8rem;
  color: var(--mute);
  letter-spacing: .04em;
}
.khanh__lede {
  font-size: 1.15rem;
  margin: 1rem 0 2rem;
  max-width: 580px;
  color: var(--ink-soft);
}
.facts {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  margin: 0;
  border-top: 1px solid var(--line);
}
.facts > div {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 1.25rem;
  padding: 1rem 0;
  border-bottom: 1px solid var(--line);
  align-items: baseline;
}
.facts dt {
  font-size: .72rem;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--mute);
  margin: 0;
  font-weight: 500;
}
.facts dd { margin: 0; font-family: "Fraunces", serif; font-size: 1.02rem; color: var(--ink); font-variation-settings: "opsz" 14; }
.facts--tight > div { grid-template-columns: 100px 1fr; padding: .65rem 0; }
.facts--tight dd { font-size: .92rem; }

@media (max-width: 520px) {
  .facts > div { grid-template-columns: 1fr; gap: .15rem; padding: .85rem 0; }
}

/* ---------- Also at this office ---------- */
.also__lead {
  max-width: 720px;
  font-size: 1.02rem;
  color: var(--ink-soft);
  margin: 0 0 2.25rem;
}
.also__grid {
  display: grid;
  gap: 1.25rem;
  grid-template-columns: 1fr;
}
@media (min-width: 720px) { .also__grid { grid-template-columns: 1fr 1fr; } }
@media (min-width: 1040px) {
  .also__grid--three { grid-template-columns: 1fr 1fr 1fr; }
}
.card {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 2rem;
  display: flex;
  flex-direction: column;
}
.card__avatar {
  width: 84px; height: 84px;
  border-radius: var(--radius);
  overflow: hidden;
  margin: 0 0 1.25rem;
  background: var(--ink);
  border: 1px solid var(--line);
}
.card__avatar svg { width: 100%; height: 100%; display: block; }
.card__avatar--photo img { width: 100%; height: 100%; object-fit: cover; display: block; }
.card__role {
  font-size: .7rem;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--accent-deep);
  margin: 0 0 .85rem;
  font-weight: 500;
}
.card__name {
  font-family: "Fraunces", serif;
  font-size: 1.55rem;
  font-weight: 500;
  margin: 0 0 .85rem;
  letter-spacing: -.01em;
  color: var(--ink);
}
.card__name .post { color: var(--mute); font-style: italic; font-size: 1.1rem; margin-left: .15em; }
.card p { font-size: .96rem; color: var(--ink-soft); margin-bottom: 1rem; }

/* ---------- Contact ---------- */
.contact { background: var(--ink); color: var(--paper); }
.contact .kicker span { color: var(--paper); border-color: var(--paper); }
.contact .kicker { color: rgba(245,241,234,.5); }
.contact .h2 { color: var(--paper); }
.contact__title { max-width: 18ch; }
.contact__lead { color: rgba(245,241,234,.65); max-width: 580px; margin: 1rem 0 3rem; font-size: 1.08rem; }
.contact__grid {
  display: grid;
  gap: 2.5rem;
  grid-template-columns: 1fr;
}
@media (min-width: 880px) { .contact__grid { grid-template-columns: 1fr 1fr; gap: 4rem; } }

.contact__list { margin: 0; display: grid; gap: 0; border-top: 1px solid rgba(245,241,234,.2); }
.contact__list > div {
  display: grid;
  grid-template-columns: 110px 1fr;
  gap: 1.5rem;
  padding: 1.25rem 0;
  border-bottom: 1px solid rgba(245,241,234,.2);
  align-items: baseline;
}
.contact__list dt {
  margin: 0;
  font-size: .7rem;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: rgba(245,241,234,.55);
  font-weight: 500;
}
.contact__list dd { margin: 0; font-family: "Fraunces", serif; font-size: 1.05rem; color: var(--paper); font-variation-settings: "opsz" 14; }
.contact__list dd a { border-bottom: 1px solid rgba(245,241,234,.3); padding-bottom: 1px; }
.contact__list dd a:hover { border-color: var(--accent); color: var(--accent); }
.contact__list address { font-style: normal; }
.hint { display: block; font-size: .76rem; color: rgba(245,241,234,.5); font-family: "Inter", sans-serif; letter-spacing: .04em; margin-top: .25rem; }

.map {
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid rgba(245,241,234,.18);
  min-height: 380px;
  filter: invert(.92) hue-rotate(180deg) saturate(.6) brightness(1.05);
}
.map iframe { width: 100%; height: 100%; min-height: 380px; border: 0; display: block; }

/* ---------- Footer ---------- */
.foot { background: var(--paper); border-top: 1px solid var(--line); }
.foot__wrap { padding-top: 2.5rem; padding-bottom: 2.5rem; display: grid; gap: .75rem; }
.foot__brand {
  font-family: "Fraunces", serif;
  font-size: 1.6rem;
  font-weight: 500;
  margin: 0;
  letter-spacing: -.01em;
  color: var(--ink);
}
.foot__sub { font-size: .9rem; color: var(--mute); font-weight: 400; margin-left: .5em; letter-spacing: .04em; text-transform: uppercase; }
.foot__addr { margin: 0; font-size: .92rem; color: var(--mute); }
.foot__legal { margin: 1rem 0 0; font-size: .78rem; line-height: 1.55; color: var(--mute); max-width: 760px; }

/* ---------- Responsive ---------- */
@media (max-width: 820px) {
  .topbar__row { grid-template-columns: auto 1fr auto; }
  .topnav { display: none; }
  .mark__sub { display: none; }
}
@media (max-width: 540px) {
  .topbar__cta .pill { display: none; }
  .work__item { grid-template-columns: 60px 1fr; gap: 1rem; }
  .display em { display: inline; }
}