:root {
  --ink: #171817;
  --ink-2: #232523;
  --ink-3: #3b3d3b;
  --paper: #f3f0e9;
  --paper-2: #e8e3d9;
  --white: #fbfaf6;
  --red: #d31f2b;
  --red-deep: #a61620;
  --gray: #626262;
  --line: rgba(23, 24, 23, 0.16);
  --line-inverse: rgba(255, 255, 255, 0.18);
  --serif: "Cormorant Garamond", Georgia, serif;
  --sans: "Manrope", sans-serif;
  --container: min(1240px, calc(100% - 64px));
  --ease: cubic-bezier(.2, .7, .2, 1);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 96px; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
body::before {
  position: fixed;
  z-index: 200;
  inset: 0;
  content: "";
  pointer-events: none;
  opacity: .045;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.8' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}
a { color: inherit; text-decoration: none; }
button, input, textarea { font: inherit; }
button { cursor: pointer; }
img { display: block; max-width: 100%; }
p, h1, h2, h3 { margin-top: 0; }
h1, h2, h3 { font-weight: 500; text-wrap: balance; }
.container { width: var(--container); margin-inline: auto; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); border: 0; }
.skip-link { position: fixed; z-index: 300; top: -100px; left: 20px; padding: 12px 18px; color: white; background: var(--red); font-weight: 700; }
.skip-link:focus { top: 20px; }
:focus-visible { outline: 2px solid var(--red); outline-offset: 4px; }

.utility-bar { color: rgba(255,255,255,.7); background: var(--ink); font-size: 10px; letter-spacing: .11em; text-transform: uppercase; }
.utility-content { min-height: 34px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.utility-content p { margin: 0; }
.utility-links { display: flex; align-items: center; gap: 18px; }
.utility-links span { width: 1px; height: 12px; background: rgba(255,255,255,.25); }
.utility-links a { transition: color .25s ease; }
.utility-links a:hover { color: white; }

.site-header {
  position: sticky;
  z-index: 100;
  top: 0;
  border-bottom: 1px solid var(--line);
  background: rgba(243, 240, 233, .93);
  backdrop-filter: blur(18px);
}
.nav-wrap { min-height: 92px; display: flex; align-items: center; gap: 32px; }
.brand { width: 150px; height: 84px; display: grid; place-items: center; overflow: hidden; }
.brand img { width: 132px; }
.main-nav { display: flex; align-items: center; gap: clamp(22px, 2.4vw, 40px); margin-left: auto; }
.main-nav a {
  position: relative;
  padding: 36px 0 32px;
  color: #656865;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .015em;
  transition: color .25s ease;
}
.main-nav a::after {
  position: absolute;
  right: 0;
  bottom: 26px;
  left: 0;
  height: 1px;
  content: "";
  background: var(--red);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform .28s var(--ease);
}
.main-nav a:hover, .main-nav a.active { color: var(--ink); }
.main-nav a:hover::after, .main-nav a.active::after { transform: scaleX(1); transform-origin: left; }
.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-left: 10px;
  padding: 12px 16px;
  color: white;
  background: var(--ink);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .02em;
  transition: transform .25s var(--ease), background .25s ease;
}
.nav-cta svg { width: 15px; fill: none; stroke: currentColor; stroke-width: 1.7; }
.nav-cta:hover { background: var(--red); transform: translateY(-2px); }
.nav-cta:active { transform: translateY(0) scale(.98); }
.menu-toggle { display: none; }

.hero { position: relative; overflow: hidden; background: var(--paper); }
.hero::before {
  position: absolute;
  top: 0;
  right: 0;
  width: 38%;
  height: 100%;
  content: "";
  background: var(--ink);
}
.hero::after {
  position: absolute;
  right: calc(38% - 1px);
  bottom: 0;
  width: 1px;
  height: 42%;
  content: "";
  background: var(--red);
}
.hero-noise { position: absolute; inset: 0; pointer-events: none; background: radial-gradient(circle at 18% 8%, rgba(255,255,255,.9), transparent 34%); }
.hero-grid {
  position: relative;
  z-index: 2;
  min-height: 650px;
  display: grid;
  grid-template-columns: minmax(0, 1.06fr) minmax(390px, .94fr);
  align-items: center;
  gap: clamp(52px, 7vw, 112px);
  padding: 72px 0 76px;
}
.hero-copy { position: relative; padding-left: 42px; }
.hero-copy::before {
  position: absolute;
  top: 4px;
  bottom: 3px;
  left: 0;
  width: 1px;
  content: "";
  background: var(--line);
}
.eyebrow, .section-label {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 0 0 25px;
  color: #767975;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .16em;
  text-transform: uppercase;
}
.eyebrow span { width: 29px; height: 2px; background: var(--red); }
h1 {
  max-width: 720px;
  margin-bottom: 26px;
  font-family: var(--serif);
  font-size: clamp(64px, 7vw, 104px);
  letter-spacing: -.055em;
  line-height: .82;
}
h1 em, h2 em { color: var(--red); font-style: italic; font-weight: 500; }
.hero-intro { max-width: 555px; color: #595d59; font-size: 16px; line-height: 1.85; text-wrap: pretty; }
.hero-actions { display: flex; align-items: center; gap: 28px; margin-top: 35px; }
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 25px;
  min-height: 50px;
  padding: 14px 20px;
  border: 0;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .02em;
  transition: transform .25s var(--ease), background .25s ease, color .25s ease;
}
.button span { font-size: 19px; font-weight: 400; line-height: 0; }
.button-red { color: white; background: var(--red); }
.button-red:hover { background: var(--red-deep); transform: translateY(-3px); }
.button:active { transform: translateY(0) scale(.985); }
.text-link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding-bottom: 3px;
  border-bottom: 1px solid currentColor;
  font-size: 11px;
  font-weight: 700;
  transition: gap .25s var(--ease), color .25s ease;
}
.text-link:hover { gap: 17px; color: var(--red); }
.text-link.light { color: var(--ink); }
.text-link.dark { color: var(--ink); }
.text-link span { font-size: 17px; line-height: 1; }
.hero-note { display: flex; align-items: center; gap: 16px; margin-top: 52px; }
.note-mark {
  display: grid;
  width: 46px;
  height: 46px;
  flex: 0 0 46px;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 50%;
  color: var(--red);
  font-family: var(--serif);
  font-size: 18px;
}
.hero-note p { margin: 0; color: #707470; font-size: 11px; line-height: 1.7; }
.hero-note strong { color: var(--ink); font-size: 12px; font-weight: 700; }
.hero-art { position: relative; padding: 22px 30px 22px 0; }
.hero-art::before {
  position: absolute;
  top: -32px;
  right: -28px;
  width: 190px;
  height: 190px;
  content: "";
  border: 1px solid rgba(255,255,255,.18);
  border-radius: 50%;
}
.hero-art-frame {
  position: relative;
  min-height: 430px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: #e7e2d8;
  box-shadow: 24px 24px 0 rgba(0,0,0,.12);
}
.hero-art-frame::before {
  position: absolute;
  width: 410px;
  height: 410px;
  content: "";
  border: 1px solid rgba(23,24,23,.14);
  border-radius: 50%;
  transform: translate(29%, -29%);
}
.hero-art-frame::after { position: absolute; inset: 18px; content: ""; border: 1px solid rgba(23,24,23,.18); }
.hero-art-frame img { position: relative; z-index: 2; width: min(82%, 380px); filter: drop-shadow(0 15px 18px rgba(0,0,0,.12)); }
.hero-art-caption {
  position: absolute;
  z-index: 3;
  right: 30px;
  bottom: 27px;
  color: rgba(23,24,23,.5);
  font-size: 8px;
  font-weight: 700;
  letter-spacing: .19em;
}
.art-rule { position: absolute; z-index: 4; width: 54px; height: 54px; border-color: var(--red); border-style: solid; }
.art-rule-top { top: 0; left: 0; border-width: 2px 0 0 2px; }
.art-rule-bottom { right: 0; bottom: 0; border-width: 0 2px 2px 0; }
.art-side-note {
  position: absolute;
  z-index: 3;
  top: 0;
  right: -7px;
  bottom: 16px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 13px;
  color: rgba(255,255,255,.44);
  font-size: 7px;
  font-weight: 700;
  letter-spacing: .18em;
  writing-mode: vertical-rl;
  transform: rotate(180deg);
}
.art-side-note i { width: 1px; height: 72px; background: rgba(255,255,255,.25); }
.hero-footer {
  position: relative;
  z-index: 4;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--line);
  border-right: 1px solid var(--line);
}
.hero-footer a {
  min-height: 70px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 23px;
  border-left: 1px solid var(--line);
  color: #5c615d;
  font-size: 11px;
  font-weight: 600;
  transition: background .25s ease, color .25s ease;
}
.hero-footer a span { color: var(--red); font-family: var(--serif); font-size: 18px; }
.hero-footer a:hover { color: white; background: var(--ink); }

.section-space { padding: 126px 0 140px; }
.intro-section { background: var(--white); }
.intro-grid { display: grid; grid-template-columns: .55fr 1.35fr .8fr; gap: clamp(34px, 5vw, 80px); align-items: start; }
h2 {
  margin-bottom: 28px;
  font-family: var(--serif);
  font-size: clamp(50px, 5vw, 74px);
  letter-spacing: -.045em;
  line-height: .96;
}
.large-copy { max-width: 630px; margin-bottom: 31px; color: #595e59; font-size: 16px; line-height: 1.95; text-wrap: pretty; }
.intro-aside { padding: 18px 0 0 25px; border-left: 1px solid var(--line); }
.intro-aside > p { margin-bottom: 18px; color: #888c88; font-size: 9px; font-weight: 700; letter-spacing: .15em; text-transform: uppercase; }
.intro-aside ul { padding: 0; margin: 0; list-style: none; }
.intro-aside li {
  display: grid;
  grid-template-columns: 31px 1fr;
  gap: 8px;
  padding: 14px 0;
  border-top: 1px solid var(--line);
  font-size: 11px;
  line-height: 1.6;
}
.intro-aside li span { color: var(--red); font-family: var(--serif); font-size: 17px; }

.practice-section { position: relative; overflow: hidden; padding: 118px 0 130px; color: white; background: var(--ink); }
.practice-section::before {
  position: absolute;
  top: 0;
  right: -12%;
  width: 50%;
  height: 100%;
  content: "A";
  color: rgba(255,255,255,.022);
  font-family: var(--serif);
  font-size: 60vw;
  line-height: .72;
}
.split-heading { position: relative; display: flex; justify-content: space-between; align-items: end; gap: 45px; margin-bottom: 58px; }
.section-label.on-dark { color: rgba(255,255,255,.48); }
.split-heading h2 { margin: 0; color: white; }
.split-heading > p { max-width: 390px; margin: 0 0 8px; color: rgba(255,255,255,.58); font-size: 13px; line-height: 1.9; }
.practice-list { position: relative; border-top: 1px solid var(--line-inverse); }
.practice-item {
  display: grid;
  grid-template-columns: 80px 1fr auto;
  gap: 30px;
  align-items: center;
  padding: 27px 5px;
  border-bottom: 1px solid var(--line-inverse);
  transition: padding .28s var(--ease), background .28s ease;
}
.practice-item:hover { padding-right: 20px; padding-left: 20px; background: rgba(255,255,255,.055); }
.practice-number { color: var(--red); font-family: var(--serif); font-size: 20px; font-variant-numeric: tabular-nums; }
.practice-item div { display: grid; grid-template-columns: minmax(270px, .8fr) 1.3fr; align-items: baseline; gap: 26px; }
.practice-item h3 { margin: 0; font-family: var(--serif); font-size: clamp(29px, 3vw, 41px); letter-spacing: -.03em; line-height: 1; }
.practice-item p { margin: 0; color: rgba(255,255,255,.55); font-size: 12px; line-height: 1.75; }
.arrow-circle {
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  border: 1px solid rgba(255,255,255,.35);
  border-radius: 50%;
  color: var(--red);
  font-size: 19px;
  transition: background .25s ease, color .25s ease, transform .25s var(--ease);
}
.practice-item:hover .arrow-circle { color: white; border-color: var(--red); background: var(--red); transform: rotate(45deg); }

.process-section { background: var(--paper-2); }
.centered-heading { max-width: 780px; margin: 0 auto; text-align: center; }
.centered-heading .section-label { justify-content: center; }
.process-grid {
  display: grid;
  grid-template-columns: 1fr 1.16fr 1fr;
  align-items: start;
  gap: 0;
  margin-top: 58px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.process-card { min-height: 300px; padding: 31px 31px 35px; border-left: 1px solid var(--line); background: transparent; transition: transform .28s var(--ease), background .28s ease; }
.process-card:last-child { border-right: 1px solid var(--line); }
.process-card:hover { z-index: 1; background: var(--white); transform: translateY(-8px); }
.process-card.featured { margin-top: -16px; padding-top: 47px; color: white; background: var(--ink); box-shadow: 0 20px 40px rgba(23,24,23,.14); }
.process-top { display: flex; align-items: flex-start; justify-content: space-between; color: var(--red); font-family: var(--serif); font-size: 20px; }
.process-top svg { width: 48px; fill: none; stroke: currentColor; stroke-width: 1.35; }
.process-card h3 { margin: 56px 0 11px; font-family: var(--serif); font-size: 31px; letter-spacing: -.025em; }
.process-card p { margin: 0; color: #626863; font-size: 12px; line-height: 1.82; }
.process-card.featured p { color: rgba(255,255,255,.61); }

.knowledge-section { background: var(--white); }
.knowledge-header { display: flex; justify-content: space-between; align-items: end; gap: 30px; margin-bottom: 50px; }
.knowledge-header h2 { margin-bottom: 0; max-width: 850px; }
.article-grid { display: grid; grid-template-columns: 1.25fr .92fr .92fr; gap: 24px; }
.article-card { display: flex; flex-direction: column; }
.article-visual { position: relative; height: 240px; overflow: hidden; color: white; background: var(--ink); }
.article-featured .article-visual { height: 315px; }
.article-visual::before {
  position: absolute;
  top: 0;
  left: 42%;
  width: 1px;
  height: 100%;
  content: "";
  background: rgba(255,255,255,.14);
  transform: rotate(21deg);
}
.article-visual::after {
  position: absolute;
  right: -70px;
  bottom: -145px;
  width: 250px;
  height: 250px;
  content: "";
  border: 1px solid rgba(255,255,255,.25);
  border-radius: 50%;
}
.article-visual span { position: absolute; top: 22px; left: 22px; font-size: 8px; font-weight: 700; letter-spacing: .16em; opacity: .66; }
.article-visual b { position: absolute; z-index: 2; right: 22px; bottom: 11px; font-family: var(--serif); font-size: 79px; font-weight: 500; letter-spacing: -.08em; line-height: .8; }
.article-visual i { position: absolute; top: 24%; left: 20%; width: 58%; height: 48%; border: 1px solid var(--red); transform: rotate(-24deg); }
.visual-contract { background: #2c2e2d; }
.visual-land { background: #66635e; }
.visual-land i { border-color: rgba(255,255,255,.45); border-radius: 50% 50% 0 0; }
.visual-business { background: #444745; }
.visual-business i { transform: rotate(43deg); }
.article-meta { display: flex; justify-content: space-between; gap: 16px; margin: 18px 0 9px; color: #8a8f8a; font-size: 9px; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; }
.article-card h3 { flex: 1; margin-bottom: 16px; font-family: var(--serif); font-size: 29px; letter-spacing: -.03em; line-height: 1.08; }
.article-card > a { display: inline-flex; align-items: center; align-self: flex-start; gap: 9px; border-bottom: 1px solid currentColor; color: var(--red); font-size: 11px; font-weight: 700; transition: gap .25s var(--ease); }
.article-card > a:hover { gap: 16px; }
.article-card > a span { font-size: 17px; }

.contact-section { position: relative; overflow: hidden; padding: 122px 0 128px; color: white; background: var(--ink); }
.contact-section::before {
  position: absolute;
  top: -220px;
  left: -140px;
  width: 520px;
  height: 520px;
  content: "";
  border: 1px solid rgba(255,255,255,.09);
  border-radius: 50%;
}
.contact-grid { position: relative; display: grid; grid-template-columns: .95fr 1.05fr; gap: clamp(55px, 8vw, 130px); align-items: start; }
.contact-copy h2 { color: white; }
.contact-copy > p:not(.section-label) { max-width: 470px; color: rgba(255,255,255,.63); font-size: 14px; line-height: 1.95; }
.callout-phone { display: inline-flex; flex-direction: column; gap: 2px; margin-top: 25px; font-family: var(--serif); font-size: clamp(40px, 4vw, 56px); letter-spacing: -.04em; line-height: 1; }
.callout-phone span { color: rgba(255,255,255,.52); font-family: var(--sans); font-size: 9px; font-weight: 700; letter-spacing: .15em; text-transform: uppercase; }
.callout-phone b { color: var(--red); font-family: var(--sans); font-size: 18px; font-weight: 400; }
.contact-copy address { display: flex; gap: 13px; margin-top: 37px; color: rgba(255,255,255,.78); font-size: 12px; font-style: normal; line-height: 1.8; }
.contact-copy address svg { width: 20px; flex: 0 0 20px; fill: none; stroke: var(--red); stroke-width: 1.6; }
.contact-copy address a { border-bottom: 1px solid rgba(255,255,255,.25); }
.contact-form { position: relative; padding: 38px 38px 30px; color: var(--ink); background: var(--paper); box-shadow: 18px 18px 0 var(--red); }
.contact-form::before { position: absolute; top: 0; left: 0; width: 72px; height: 3px; content: ""; background: var(--red); }
.form-heading { display: flex; justify-content: space-between; gap: 25px; margin-bottom: 23px; padding-bottom: 17px; border-bottom: 1px solid var(--line); }
.form-heading span { font-size: 9px; font-weight: 700; letter-spacing: .14em; }
.form-heading p { max-width: 260px; margin: 0; color: #747974; font-size: 10px; line-height: 1.6; }
.contact-form label { display: block; margin-top: 17px; color: #555b56; font-size: 10px; font-weight: 700; letter-spacing: .05em; }
.contact-form input, .contact-form textarea {
  width: 100%;
  margin-top: 4px;
  padding: 8px 0;
  outline: 0;
  border: 0;
  border-bottom: 1px solid #c5c2b9;
  border-radius: 0;
  color: var(--ink);
  background: transparent;
  font-size: 13px;
  font-weight: 500;
  resize: vertical;
  transition: border-color .25s ease;
}
.contact-form input:focus, .contact-form textarea:focus { border-color: var(--red); }
.contact-form input::placeholder, .contact-form textarea::placeholder { color: #a0a59f; font-weight: 400; }
.full-width { width: 100%; margin-top: 25px; }
.form-status { min-height: 20px; margin: 10px 0 0; color: #4d6158; font-size: 10px; font-weight: 600; line-height: 1.5; }
.contact-form small { display: block; color: #7c817c; font-size: 8px; line-height: 1.6; }

.site-footer { color: rgba(255,255,255,.6); background: #101110; }
.footer-top { display: grid; grid-template-columns: 190px 1fr auto; align-items: center; gap: 45px; padding: 48px 0; border-bottom: 1px solid rgba(255,255,255,.12); }
.footer-brand { width: 160px; }
.footer-brand img { width: 154px; }
.footer-top p { max-width: 430px; margin: 0; font-size: 11px; line-height: 1.8; }
.footer-back { display: inline-flex; align-items: center; gap: 10px; border-bottom: 1px solid rgba(255,255,255,.45); color: white; font-size: 10px; font-weight: 700; }
.footer-back span { color: var(--red); font-size: 17px; }
.footer-bottom { display: flex; justify-content: space-between; gap: 20px; padding: 21px 0 27px; font-size: 9px; }
.footer-bottom p { margin: 0; }
.footer-bottom div { display: flex; gap: 22px; color: white; font-weight: 600; }
.footer-bottom a:hover { color: var(--red); }
.floating-zalo {
  position: fixed;
  z-index: 90;
  right: 22px;
  bottom: 22px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 11px 10px 15px;
  border: 1px solid rgba(255,255,255,.22);
  border-radius: 99px;
  color: white;
  background: var(--red);
  box-shadow: 0 12px 30px rgba(166,22,32,.26);
  font-size: 11px;
  font-weight: 700;
  transition: transform .25s var(--ease), background .25s ease;
}
.floating-zalo i { display: grid; width: 20px; height: 20px; place-items: center; border-radius: 50%; color: var(--red); background: white; font-size: 12px; font-style: normal; }
.floating-zalo:hover { background: var(--red-deep); transform: translateY(-4px); }

.reveal { animation: reveal .85s both var(--ease); }
.reveal-delay { animation-delay: .14s; }
@keyframes reveal { from { opacity: 0; transform: translateY(24px); } to { opacity: 1; transform: translateY(0); } }

@media (max-width: 980px) {
  :root { --container: min(100% - 44px, 760px); }
  .nav-wrap { min-height: 76px; }
  .brand { width: 128px; height: 70px; }
  .brand img { width: 113px; }
  .main-nav {
    position: absolute;
    top: 76px;
    right: 0;
    left: 0;
    display: grid;
    gap: 0;
    max-height: 0;
    overflow: hidden;
    margin: 0;
    border-bottom: 0 solid var(--line);
    background: var(--paper);
    opacity: 0;
    transition: max-height .3s var(--ease), opacity .3s ease, border .3s ease;
  }
  .main-nav.open { max-height: 330px; border-bottom-width: 1px; opacity: 1; }
  .main-nav a { padding: 15px max(22px, calc((100vw - min(100% - 44px, 760px)) / 2)); border-top: 1px solid var(--line); }
  .main-nav a::after { display: none; }
  .nav-cta { margin-left: auto; }
  .menu-toggle { display: grid; width: 41px; height: 41px; padding: 10px; place-content: center; gap: 5px; border: 1px solid var(--line); background: transparent; }
  .menu-toggle span:not(.sr-only) { display: block; width: 19px; height: 1.5px; background: var(--ink); transition: transform .25s ease, opacity .25s ease; }
  .menu-toggle.is-open span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
  .menu-toggle.is-open span:nth-child(2) { opacity: 0; }
  .menu-toggle.is-open span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }
  .hero::before { top: 50%; width: 100%; height: 50%; }
  .hero::after { display: none; }
  .hero-grid { min-height: 0; grid-template-columns: 1fr; gap: 46px; padding: 64px 0 54px; }
  .hero-art { width: 88%; max-width: 590px; justify-self: center; padding-right: 24px; }
  .hero-art-frame { min-height: 390px; }
  .hero-footer { grid-template-columns: 1fr; border-right: 0; }
  .hero-footer a { min-height: 55px; border-right: 1px solid var(--line); }
  .intro-grid { grid-template-columns: 1fr; gap: 20px; }
  .intro-aside { max-width: 560px; margin-top: 15px; }
  .practice-item div { grid-template-columns: 1fr; gap: 7px; }
  .knowledge-header { align-items: start; }
  .article-grid { grid-template-columns: 1fr 1fr; }
  .article-featured { grid-row: span 2; }
  .article-featured .article-visual { min-height: 330px; height: 100%; }
  .contact-grid { grid-template-columns: 1fr; gap: 55px; }
  .contact-copy > p:not(.section-label) { max-width: 620px; }
}

@media (max-width: 640px) {
  :root { --container: calc(100% - 32px); }
  .utility-content { min-height: 31px; justify-content: center; }
  .utility-content p, .utility-links > a:last-child, .utility-links span { display: none; }
  .nav-wrap { min-height: 68px; gap: 10px; }
  .brand { width: 112px; height: 58px; }
  .brand img { width: 108px; }
  .nav-cta { padding: 10px; }
  .nav-cta span { display: none; }
  .main-nav { top: 68px; }
  .main-nav a { padding: 14px 16px; }
  .hero-grid { padding-top: 50px; }
  .hero-copy { padding-left: 21px; }
  h1 { font-size: clamp(58px, 18vw, 80px); }
  .hero-intro { font-size: 14px; }
  .hero-actions { flex-direction: column; align-items: flex-start; gap: 20px; }
  .hero-note { margin-top: 40px; }
  .hero-art { width: calc(100% - 16px); padding-right: 17px; }
  .hero-art-frame { min-height: 280px; }
  .art-side-note { display: none; }
  .section-space { padding: 82px 0 94px; }
  h2 { font-size: clamp(45px, 13vw, 62px); }
  .practice-section { padding: 82px 0 94px; }
  .split-heading, .knowledge-header { display: block; }
  .split-heading > p { margin-top: 20px; }
  .practice-list { margin-top: 38px; }
  .practice-item { grid-template-columns: 34px 1fr auto; gap: 10px; padding: 21px 0; }
  .practice-item:hover { padding-right: 6px; padding-left: 6px; }
  .practice-item h3 { font-size: 29px; }
  .practice-item p { font-size: 11px; }
  .arrow-circle { width: 33px; height: 33px; font-size: 16px; }
  .process-grid { grid-template-columns: 1fr; border-bottom: 0; }
  .process-card { min-height: 0; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
  .process-card.featured { margin-top: 0; }
  .process-card h3 { margin-top: 38px; }
  .article-grid { grid-template-columns: 1fr; }
  .article-featured { grid-row: auto; }
  .article-featured .article-visual { min-height: 0; height: 255px; }
  .article-visual { height: 220px; }
  .contact-section { padding: 84px 0 96px; }
  .contact-form { padding: 29px 22px 24px; box-shadow: 9px 9px 0 var(--red); }
  .form-heading { display: block; }
  .form-heading p { margin-top: 8px; }
  .footer-top { grid-template-columns: 1fr; gap: 18px; padding: 36px 0; }
  .footer-back { justify-self: start; }
  .footer-bottom { display: block; }
  .footer-bottom div { margin-top: 9px; }
  .floating-zalo { right: 14px; bottom: 14px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}