/* Xanh Mộc Design & Build (noi-that-xay-dung 5.0): green design-and-build. Forest green and sand, a clay accent, a side
   navigation column on desktop (sticky, never over the CNTech bar), need tiles, service accordions, a process line, the
   app section. Fonts: Space Grotesk (headings) + Lora (text). */
:root {
  --forest: #1f3d2b;
  --moss: #3f6b4a;
  --sand: #efe6d2;
  --sand-2: #f7f2e7;
  --clay: #c4683a;
  --ink: #1d2a21;
  --soft: #5f6b61;
  --rule: rgba(29, 42, 33, 0.14);
  --k-font: 'Lora', Georgia, serif;
  --k-font-display: 'Space Grotesk', sans-serif;
  --k-accent: #1f3d2b;
  --k-accent-ink: #ffffff;
  --k-paper: #fbf8f1;
  --k-ink: #1d2a21;
  --k-line: rgba(29, 42, 33, 0.2);
  --k-radius: 14px;
}

body {
  background: var(--sand-2);
  color: var(--ink);
  font:
    400 16px/1.7 'Lora',
    Georgia,
    serif;
}
a {
  color: inherit;
}
h1,
h2,
h3 {
  margin: 0;
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 600;
}
.plain {
  margin: 0;
  padding: 0;
  list-style: none;
}
.eyebrow {
  margin: 0 0 8px;
  font:
    600 12px/1.3 'Space Grotesk',
    sans-serif;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--clay);
}
.h1 {
  font-size: 40px;
  line-height: 1.04;
  letter-spacing: -0.02em;
}
.h1.dark {
  color: var(--forest);
}
.h2 {
  margin-bottom: 18px;
  font-size: 28px;
  line-height: 1.15;
  letter-spacing: -0.01em;
  color: var(--forest);
}
.link {
  padding: 0;
  border: 0;
  background: none;
  color: var(--moss);
  font:
    600 15px/1.4 'Space Grotesk',
    sans-serif;
  text-decoration: underline;
  text-underline-offset: 3px;
  cursor: pointer;
}

/* Side navigation: a top bar on phones, a sticky column on desktop */
.side {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  background: var(--forest);
  color: #fff;
}
.side-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}
.side-logo > span:last-child {
  display: grid;
  font:
    700 20px/1.05 'Space Grotesk',
    sans-serif;
}
.side-logo small {
  font:
    400 12px/1.3 'Space Grotesk',
    sans-serif;
  letter-spacing: 0.1em;
  opacity: 0.8;
}
.leaf {
  width: 30px;
  height: 30px;
  border-radius: 0 60% 0 60%;
  background: linear-gradient(135deg, #a9d18e, var(--moss));
}
.side-toggle {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border: 0;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
  cursor: pointer;
}
.side-nav {
  display: none;
  flex-basis: 100%;
  flex-direction: column;
  gap: 2px;
  padding-top: 12px;
}
.side-nav[data-open] {
  display: flex;
}
.side-nav a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 11px 12px;
  border-radius: 12px;
  font:
    500 16px/1.2 'Space Grotesk',
    sans-serif;
  text-decoration: none;
}
.side-nav a:hover {
  background: rgba(255, 255, 255, 0.08);
}
.side-nav .side-cta {
  justify-content: center;
  margin-top: 8px;
  background: var(--clay);
  font-weight: 700;
}
.side-call {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 46px;
  margin-top: 6px;
  border: 1px solid rgba(255, 255, 255, 0.35);
  border-radius: 12px;
  background: none;
  color: #fff;
  font:
    600 15px/1 'Space Grotesk',
    sans-serif;
  cursor: pointer;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 48px;
  padding: 0 22px;
  border: 1.5px solid var(--forest);
  border-radius: 12px;
  background: var(--forest);
  color: #fff;
  font:
    600 15px/1 'Space Grotesk',
    sans-serif;
  text-decoration: none;
  cursor: pointer;
}
.btn-light {
  background: var(--sand);
  border-color: var(--sand);
  color: var(--forest);
}
.btn-ghost {
  background: transparent;
  border-color: rgba(255, 255, 255, 0.6);
  color: #fff;
}
.btn-line {
  background: transparent;
  color: var(--forest);
}
.btn-block {
  width: 100%;
}
.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

/* Hero and ribbon */
.hero {
  display: grid;
  background: var(--forest);
  color: #fff;
}
.hero-text {
  padding: 34px 16px 30px;
}
.hero .eyebrow {
  color: #a9d18e;
}
.hero-lead {
  margin: 14px 0 22px;
  color: rgba(255, 255, 255, 0.85);
}
.hero-img {
  display: block;
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}
.ribbon {
  display: grid;
  grid-template-columns: 1fr 1fr;
  margin: 0;
  background: var(--sand);
}
.ribbon div {
  padding: 16px;
  border-right: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
}
.ribbon dd {
  margin: 0;
  font:
    700 28px/1 'Space Grotesk',
    sans-serif;
  color: var(--forest);
}
.ribbon dt {
  margin-top: 4px;
  font-size: 13px;
  color: var(--soft);
}

/* Sections */
.sec {
  padding: 46px 16px 0;
}
.sec-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
}
.sec-sand {
  margin-top: 46px;
  padding-bottom: 40px;
  background: var(--sand);
}
.sec-green {
  margin-top: 46px;
  padding-bottom: 46px;
  background: var(--forest);
  color: #fff;
}
.sec-green .h2 {
  color: #fff;
}

/* Need tiles */
.needs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}
.need {
  display: grid;
  gap: 4px;
  padding: 10px 10px 14px;
  border: 1px solid var(--rule);
  border-radius: 16px;
  background: #fff;
  text-decoration: none;
}
.need img {
  width: 100%;
  aspect-ratio: 4 / 3;
  margin-bottom: 6px;
  border-radius: 10px;
  object-fit: cover;
}
.need .k-icon {
  width: 28px;
  height: 28px;
  margin-bottom: 4px;
  color: var(--clay);
}
.need-name {
  font:
    600 16px/1.25 'Space Grotesk',
    sans-serif;
  color: var(--forest);
}
.need-count {
  font-size: 13px;
  color: var(--soft);
}

/* Project cards */
.pcs {
  display: grid;
  gap: 16px;
}
.pc {
  overflow: hidden;
  border-radius: 18px;
  background: #fff;
}
.pc-img img {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
}
.pc-body {
  padding: 14px 16px 16px;
}
.pc-cat {
  margin: 0 0 2px;
  font:
    600 12px/1.3 'Space Grotesk',
    sans-serif;
  color: var(--clay);
}
.pc-name {
  font-size: 18px;
  line-height: 1.3;
  overflow-wrap: anywhere;
}
.pc-name a {
  text-decoration: none;
}
.pc-meta {
  margin: 4px 0 10px;
  font-size: 14px;
  color: var(--soft);
}
.pc-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin: 0;
}
.pc-row b {
  font:
    700 17px/1.2 'Space Grotesk',
    sans-serif;
  color: var(--forest);
}
.chip-btn {
  min-height: 38px;
  padding: 0 14px;
  border: 1px solid var(--forest);
  border-radius: 999px;
  background: transparent;
  color: var(--forest);
  font:
    600 13px/1 'Space Grotesk',
    sans-serif;
  cursor: pointer;
}

/* Service accordions */
.svcs {
  display: grid;
  gap: 22px;
}
.svc {
  margin-bottom: 8px;
  border-radius: 14px;
  background: #fff;
}
.svc summary {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 4px 12px;
  padding: 14px 16px;
  font:
    600 16px/1.35 'Space Grotesk',
    sans-serif;
  list-style: none;
  cursor: pointer;
}
.svc summary::-webkit-details-marker {
  display: none;
}
.svc summary b {
  color: var(--clay);
  text-align: right;
  white-space: nowrap;
}
.svc summary small {
  font-weight: 400;
  color: var(--soft);
}
.svc-body {
  padding: 0 16px 16px;
}
.svc-body p {
  margin: 0 0 10px;
}
.svc-attrs li {
  display: grid;
  gap: 2px;
  padding: 8px 0;
  border-top: 1px solid var(--rule);
  font-size: 14px;
}
.svc-attrs span {
  font:
    600 12px/1.3 'Space Grotesk',
    sans-serif;
  color: var(--soft);
}
.svc-actions {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-top: 12px !important;
}

/* Process line */
.flow {
  margin: 0;
  padding: 0 0 0 26px;
  list-style: none;
  border-left: 2px dashed var(--moss);
  counter-reset: f;
}
.flow li {
  position: relative;
  display: grid;
  padding: 0 0 22px 14px;
  counter-increment: f;
}
.flow li::before {
  content: counter(f);
  position: absolute;
  left: -44px;
  top: -2px;
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: var(--forest);
  color: #fff;
  font:
    700 15px/1 'Space Grotesk',
    sans-serif;
}
.flow b {
  font:
    600 17px/1.3 'Space Grotesk',
    sans-serif;
  color: var(--forest);
}
.flow span {
  color: var(--soft);
}

/* Team */
.team {
  display: grid;
  gap: 16px;
}
.mate {
  display: grid;
  grid-template-columns: 88px 1fr;
  gap: 14px;
  align-items: center;
  margin: 0;
}
.mate img {
  width: 88px;
  height: 88px;
  border-radius: 50%;
  object-fit: cover;
}
.mate figcaption {
  display: grid;
}
.mate b {
  font-family: 'Space Grotesk', sans-serif;
}
.mate span {
  font-size: 14px;
  color: var(--clay);
}
.mate small {
  font-size: 14px;
  color: var(--soft);
}

/* App */
.app-grid {
  display: grid;
  gap: 28px;
}
.sec-green .eyebrow {
  color: #a9d18e;
}
.perks {
  display: grid;
  gap: 14px;
  margin-bottom: 22px;
}
.perks li {
  display: flex;
  gap: 12px;
}
.perks .k-icon {
  margin-top: 4px;
  color: #a9d18e;
}
.app-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.sec-green .btn {
  background: var(--sand);
  border-color: var(--sand);
  color: var(--forest);
}
.store {
  min-height: 48px;
  padding: 0 18px;
  border: 1px solid rgba(255, 255, 255, 0.5);
  border-radius: 12px;
  background: #0f1f16;
  color: #fff;
  font:
    600 14px/1 'Space Grotesk',
    sans-serif;
  cursor: pointer;
}

/* Project names are long: in the app phone, put the price under the name instead of beside it. */
.k-app-items li {
  grid-template-columns: 44px minmax(0, 1fr);
}
.k-app-items li strong {
  grid-column: 2;
  font-size: 12px;
}
.k-app-items li img {
  grid-row: span 2;
}

/* Reviews, articles, FAQ */
.says {
  display: grid;
  gap: 14px;
}
.say {
  margin: 0;
  padding: 18px;
  border-radius: 18px;
  background: #fff;
}
.say-stars {
  margin: 0 0 6px;
  color: var(--clay);
  letter-spacing: 0.1em;
}
.say blockquote {
  margin: 0 0 10px;
  font-style: italic;
}
.say figcaption {
  font-size: 14px;
  color: var(--soft);
}
.arts {
  display: grid;
  gap: 14px;
}
.art {
  display: grid;
  grid-template-columns: 110px minmax(0, 1fr);
  gap: 14px;
  align-items: start;
  text-decoration: none;
}
.art img {
  width: 110px;
  height: 84px;
  border-radius: 12px;
  object-fit: cover;
}
.art-text {
  display: grid;
  gap: 2px;
}
.art-date {
  font:
    600 12px/1.3 'Space Grotesk',
    sans-serif;
  color: var(--clay);
}
.art-title {
  font:
    600 16px/1.3 'Space Grotesk',
    sans-serif;
  color: var(--forest);
}
.art-ex {
  font-size: 14px;
  color: var(--soft);
}
.faq {
  border-bottom: 1px solid var(--rule);
}
.faq summary {
  padding: 16px 0;
  font:
    600 16px/1.4 'Space Grotesk',
    sans-serif;
  color: var(--forest);
  cursor: pointer;
}
.faq p {
  margin: 0 0 16px;
  color: var(--soft);
}

/* Contact */
.contact {
  display: grid;
  gap: 18px;
}
.hours {
  margin: 8px 0 18px;
}
.hours li {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 7px 0;
  border-bottom: 1px solid var(--rule);
}
.map {
  min-height: 280px;
  overflow: hidden;
  border-radius: 18px;
}

/* List */
.finder {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin: 20px 0 12px;
}
.find {
  grid-column: 1 / -1;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 0 14px;
  border: 1px solid var(--rule);
  border-radius: 12px;
  background: #fff;
}
.find input {
  flex: 1;
  min-width: 0;
  min-height: 48px;
  border: 0;
  background: none;
  font:
    400 16px/1 'Lora',
    serif;
  outline: none;
}
.sel {
  min-width: 0;
  min-height: 44px;
  padding: 0 10px;
  border: 1px solid var(--rule);
  border-radius: 12px;
  background: #fff;
  font:
    500 14px/1 'Space Grotesk',
    sans-serif;
}
.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 22px;
}
.chips-list {
  display: contents;
}
.chip {
  min-height: 38px;
  padding: 0 14px;
  border: 1px solid var(--rule);
  border-radius: 999px;
  background: #fff;
  color: var(--forest);
  font:
    600 13px/1 'Space Grotesk',
    sans-serif;
  cursor: pointer;
}
.chip[aria-pressed='true'] {
  background: var(--forest);
  color: #fff;
}
.empty {
  padding: 18px;
  border-radius: 16px;
  background: #fff;
  color: var(--soft);
}

/* Detail */
.dtop {
  position: relative;
}
.dtop-img {
  display: block;
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}
.dtop-card {
  position: relative;
  margin: -40px 12px 0;
  padding: 20px;
  border-radius: 20px;
  background: var(--k-paper);
  box-shadow: 0 14px 36px rgba(29, 42, 33, 0.14);
}
.dtop-card .h1 {
  margin: 4px 0 8px;
  font-size: 30px;
}
.dprice {
  margin: 0 0 14px;
}
.dprice b {
  font:
    700 22px/1.2 'Space Grotesk',
    sans-serif;
  color: var(--clay);
}
.dbody {
  display: grid;
  gap: 18px;
}
.dshort {
  font-weight: 700;
}

/* Order, account */
.order {
  display: grid;
  gap: 22px;
}
.chosen {
  margin: 0;
  padding: 12px 16px;
  border-radius: 12px;
  background: var(--sand);
}
.chosen:has(b:empty) {
  display: none;
}
.panel {
  padding: 20px;
  border-radius: 20px;
  background: var(--k-paper);
  border: 1px solid var(--rule);
}

/* Article */
.read {
  max-width: 760px;
}
.read-lead {
  margin: 12px 0 18px;
  font-size: 19px;
  font-style: italic;
  color: var(--soft);
}
.read-img {
  display: block;
  width: 100%;
  aspect-ratio: 3 / 2;
  margin-bottom: 22px;
  border-radius: 18px;
  object-fit: cover;
}
.read-body p {
  margin: 0 0 16px;
  font-size: 17px;
  line-height: 1.8;
}

/* Footer */
.foot {
  display: grid;
  gap: 18px;
  margin-top: 60px;
  padding: 30px 16px 16px;
  background: var(--forest);
  color: rgba(255, 255, 255, 0.85);
  font-size: 15px;
}
.foot p {
  margin: 0 0 4px;
}
.foot-brand {
  font:
    700 20px/1.2 'Space Grotesk',
    sans-serif;
  color: #fff;
}
.foot-h {
  font:
    600 12px/1.3 'Space Grotesk',
    sans-serif;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: #a9d18e;
}
.foot .link {
  color: #fff;
}

@media (min-width: 980px) {
  /* Two columns: the side column sticks while the page scrolls; the CNTech bar and credit span both. */
  body {
    display: grid;
    grid-template-columns: 260px minmax(0, 1fr);
    align-items: start;
  }
  [data-cntech='demo-bar'],
  [data-cntech='credit'],
  .k-kit-error {
    grid-column: 1 / -1;
  }
  .side {
    position: sticky;
    top: 0;
    display: block;
    height: 100vh;
    padding: 28px 22px;
    overflow-y: auto;
  }
  .side-toggle {
    display: none;
  }
  .side-nav {
    display: flex;
    padding-top: 36px;
  }
  .page {
    min-width: 0;
  }
  .hero {
    grid-template-columns: 1fr 1fr;
  }
  .hero-text {
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 56px 48px;
  }
  .h1 {
    font-size: 62px;
  }
  .hero-img {
    height: 100%;
    aspect-ratio: auto;
    min-height: 520px;
  }
  .ribbon {
    grid-template-columns: repeat(4, 1fr);
  }
  .ribbon div {
    padding: 22px 32px;
    border-bottom: 0;
  }
  .sec {
    padding: 72px 48px 0;
    max-width: 1100px;
  }
  .sec-sand,
  .sec-green {
    max-width: none;
    padding-bottom: 64px;
  }
  .sec-sand > *,
  .sec-green > * {
    max-width: 1004px;
  }
  .h2 {
    font-size: 38px;
  }
  .needs {
    grid-template-columns: repeat(3, 1fr);
    gap: 14px;
  }
  .pcs {
    grid-template-columns: 1fr 1fr;
    gap: 20px;
  }
  .pcs-all {
    grid-template-columns: repeat(3, 1fr);
  }
  .svcs {
    grid-template-columns: repeat(3, 1fr);
    align-items: start;
  }
  .flow {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 18px;
    padding: 26px 0 0;
    border-left: 0;
    border-top: 2px dashed var(--moss);
  }
  .flow li {
    padding: 18px 0 0;
  }
  .flow li::before {
    left: 0;
    top: -44px;
  }
  .team {
    grid-template-columns: 1fr 1fr;
  }
  .app-grid {
    grid-template-columns: 320px 1fr;
    gap: 56px;
    align-items: center;
  }
  .says {
    grid-template-columns: repeat(3, 1fr);
  }
  .arts {
    grid-template-columns: repeat(3, 1fr);
  }
  .art {
    grid-template-columns: 1fr;
  }
  .art img {
    width: 100%;
    height: auto;
    aspect-ratio: 3 / 2;
  }
  .contact {
    grid-template-columns: 1fr 1.4fr;
  }
  .map {
    min-height: 340px;
  }
  .finder {
    grid-template-columns: minmax(0, 1fr) 200px 200px;
  }
  .find {
    grid-column: auto;
  }
  .dtop {
    display: grid;
    grid-template-columns: 1.4fr 1fr;
    align-items: center;
    padding: 48px 48px 0;
    max-width: 1100px;
  }
  .dtop-img {
    border-radius: 22px;
  }
  .dtop-card {
    margin: 0 0 0 -60px;
  }
  .dbody {
    grid-template-columns: 1.3fr 1fr;
    gap: 48px;
  }
  .order {
    grid-template-columns: 1fr 1.1fr;
    gap: 48px;
    align-items: start;
  }
  .foot {
    grid-template-columns: 1.3fr 1fr 1fr;
    padding: 40px 48px 20px;
  }
}