:root {
  --bg: #080808;
  --bg-soft: #111111;
  --paper: #f0eee8;
  --text: #ffffff;
  --ink: #0b0b0b;
  --muted: #b8b8b8;
  --muted-dark: #656565;
  --line: rgba(255, 255, 255, .16);
  --line-dark: rgba(8, 8, 8, .16);
  --container: 1280px;
  --topbar-h: 42px;
  --header-h: 90px;
  --header-total-h: calc(var(--topbar-h) + var(--header-h));
  --brand-red: #d91f2a;
  --navy: #101827;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: Arial, Helvetica, sans-serif;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
body.menu-open { overflow: hidden; }
a { color: inherit; text-decoration: none; }
button { font: inherit; }
img { display: block; max-width: 100%; }

.container {
  width: min(calc(100% - 48px), var(--container));
  margin-inline: auto;
}

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 50;
  height: var(--header-total-h);
  background: #fff;
  box-shadow: 0 8px 30px rgba(8, 14, 28, .08);
}
.header-topbar {
  height: var(--topbar-h);
  background: var(--navy);
  color: #fff;
}
.topbar-inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}
.topbar-inner p {
  margin: 0;
  font-size: 13px;
  font-weight: 600;
  color: rgba(255,255,255,.92);
}
.topbar-contact {
  display: flex;
  align-items: center;
  gap: 28px;
  font-size: 13px;
  color: rgba(255,255,255,.9);
}
.topbar-contact a { transition: color .2s ease; }
.topbar-contact a:hover { color: #fff; }
.header-main {
  height: var(--header-h);
  background: rgba(255,255,255,.98);
  border-bottom: 1px solid rgba(15,24,39,.08);
  transition: box-shadow .25s ease, background .25s ease;
}
.site-header.is-scrolled .header-main {
  background: rgba(255,255,255,.96);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: 0 8px 24px rgba(8,14,28,.08);
}
.header-inner {
  height: 100%;
  display: grid;
  grid-template-columns: 170px 1fr auto;
  align-items: center;
  gap: 34px;
}
.brand {
  width: fit-content;
  display: inline-flex;
  align-items: center;
}
.brand-logo-stage {
  width: 92px;
  height: 74px;
  display: grid;
  place-items: center;
  overflow: hidden;
}
.brand-logo {
  width: 100%;
  height: 100%;
  max-width: none;
  object-fit: contain;
  transform: scale(1.42);
  transform-origin: center;
  filter: drop-shadow(0 3px 8px rgba(0,0,0,.08));
}
.desktop-nav {
  justify-self: center;
  display: flex;
  align-items: center;
  gap: clamp(24px, 2.6vw, 42px);
}
.desktop-nav a {
  position: relative;
  padding: 33px 0 30px;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0;
  text-transform: none;
  color: #151b28;
  transition: color .2s ease;
}
.desktop-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 100%;
  bottom: 20px;
  height: 2px;
  background: var(--brand-red);
  transition: right .25s ease;
}
.desktop-nav a:hover { color: var(--brand-red); }
.desktop-nav a:hover::after { right: 0; }
.header-cta,
.mobile-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 25px;
  border: 1px solid var(--brand-red);
  border-radius: 999px;
  background: var(--brand-red);
  color: #fff;
  box-shadow: 0 10px 28px rgba(217,31,42,.18);
  font-size: 14px;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: none;
  transition: transform .2s ease, background .25s ease, border-color .25s ease;
}
.header-cta:hover,
.mobile-cta:hover {
  background: #b91724;
  border-color: #b91724;
  color: #fff;
  transform: translateY(-1px);
}
.menu-toggle {
  display: none;
  width: 46px;
  height: 46px;
  padding: 0;
  border: 1px solid rgba(15,24,39,.14);
  border-radius: 10px;
  background: #fff;
  color: #151b28;
  cursor: pointer;
}
.menu-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  margin: 5px auto;
  background: currentColor;
  transition: transform .25s ease;
}
.menu-toggle[aria-expanded="true"] span:first-child { transform: translateY(3.5px) rotate(45deg); }
.menu-toggle[aria-expanded="true"] span:last-child { transform: translateY(-3.5px) rotate(-45deg); }
.mobile-nav { display: none; }

/* HERO */
.hero {
  position: relative;
  min-height: calc(100svh - var(--header-total-h));
  margin-top: var(--header-total-h);
  overflow: hidden;
  isolation: isolate;
  display: flex;
  align-items: center;
}
.hero-slider,
.hero-slide,
.hero-overlay,
.hero-grain {
  position: absolute;
  inset: 0;
}
.hero-slider { z-index: 0; }
.hero-slide {
  opacity: 0;
  /* Ảnh chụp sạch, không dùng banner có typography nền. */
  background-position: center;
  background-size: cover;
  transform: scale(1.035);
  transition: opacity 1s ease, transform 7s ease;
}
.hero-slide.is-active { opacity: 1; transform: scale(1); }
.hero-overlay {
  z-index: 1;
  /* Vùng tối tập trung bên trái để chữ dễ đọc, nửa phải giữ hình ảnh rõ hơn. */
  background:
    linear-gradient(90deg, rgba(5,10,18,.88) 0%, rgba(5,10,18,.73) 30%, rgba(5,10,18,.42) 49%, rgba(5,10,18,.12) 72%, rgba(5,10,18,.18) 100%),
    linear-gradient(0deg, rgba(5,10,18,.64) 0%, rgba(5,10,18,0) 48%);
}
.hero-grain {
  z-index: 2;
  opacity: .09;
  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='.75' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.38'/%3E%3C/svg%3E");
  pointer-events: none;
}
.hero-content {
  position: relative;
  z-index: 3;
  padding-top: 54px;
  padding-bottom: 124px;
  /* Khóa vùng nội dung ở bên trái để không tràn lên chủ thể của ảnh. */
  padding-right: min(48vw, 820px);
}
.eyebrow {
  margin: 0 0 18px;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .22em;
  color: rgba(255,255,255,.72);
}
.hero h1 {
  max-width: 690px;
  margin: 0;
  font-size: clamp(48px, 5.15vw, 82px);
  line-height: .94;
  letter-spacing: -.045em;
  text-transform: uppercase;
  text-wrap: balance;
}
.hero-tagline {
  margin: 14px 0 0;
  color: transparent;
  -webkit-text-stroke: 1px rgba(255,255,255,.78);
  font-size: clamp(27px, 2.45vw, 42px);
  line-height: 1;
  font-weight: 800;
  letter-spacing: -.03em;
  text-transform: uppercase;
}
.hero-copy {
  max-width: 560px;
  margin: 24px 0 0;
  color: rgba(255,255,255,.78);
  font-size: clamp(14px, 1.12vw, 17px);
  line-height: 1.65;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 34px;
}
.btn {
  min-height: 54px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 0 25px;
  border: 1px solid rgba(255,255,255,.72);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .11em;
  text-transform: uppercase;
  transition: transform .2s ease, background .25s ease, color .25s ease;
}
.btn:hover { transform: translateY(-2px); }
.btn-primary { background: #fff; color: #080808; }
.btn-ghost { background: rgba(0,0,0,.16); }
.btn-ghost:hover { background: #fff; color: #080808; }
.hero-bottom {
  z-index: 3;
  position: absolute;
  left: 50%;
  bottom: 28px;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.slide-controls { display: flex; align-items: center; gap: 14px; }
.slide-arrow {
  width: 40px;
  height: 40px;
  border: 1px solid var(--line);
  background: rgba(0,0,0,.16);
  color: #fff;
  cursor: pointer;
}
.slide-dots { display: flex; gap: 7px; }
.slide-dot {
  width: 28px;
  height: 2px;
  padding: 0;
  border: 0;
  background: rgba(255,255,255,.34);
  cursor: pointer;
  transition: background .25s ease, width .25s ease;
}
.slide-dot.is-active { width: 45px; background: #fff; }
.scroll-link {
  font-size: 11px;
  font-weight: 800;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: rgba(255,255,255,.72);
}

#about, #services, #projects, #process, #contact {
  scroll-margin-top: calc(var(--header-total-h) + 18px);
}

/* SHARED SECTION UI */
.section-kicker {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding-bottom: 22px;
  border-bottom: 1px solid var(--line-dark);
  color: rgba(8,8,8,.58);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: .18em;
  text-transform: uppercase;
}
.section-kicker-dark {
  border-color: var(--line);
  color: rgba(255,255,255,.52);
}
.section-no { font-variant-numeric: tabular-nums; }
.section-name { text-align: right; }
.reveal-on-scroll {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity .7s ease, transform .7s cubic-bezier(.2,.7,.2,1);
}
.reveal-on-scroll.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ABOUT */
.about-section {
  position: relative;
  padding: 118px 0 124px;
  background: var(--paper);
  color: var(--ink);
}
.about-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(330px, .75fr);
  gap: clamp(52px, 8vw, 128px);
  align-items: end;
  padding: 86px 0 72px;
}
.eyebrow-light { color: rgba(8,8,8,.5); }
.about-heading h2,
.services-intro h2 {
  margin: 0;
  font-size: clamp(58px, 7.7vw, 116px);
  line-height: .88;
  letter-spacing: -.065em;
  text-transform: uppercase;
}
.about-heading h2 span {
  color: transparent;
  -webkit-text-stroke: 1px rgba(8,8,8,.72);
}
.about-copy {
  padding-bottom: 4px;
}
.about-lead {
  margin: 0 0 28px;
  font-size: clamp(22px, 2.1vw, 31px);
  line-height: 1.28;
  letter-spacing: -.025em;
}
.about-copy > p:not(.about-lead) {
  margin: 0;
  color: var(--muted-dark);
  font-size: 15px;
  line-height: 1.85;
}
.about-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 34px;
}
.about-tags span {
  padding: 10px 13px;
  border: 1px solid rgba(8,8,8,.18);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: .14em;
  text-transform: uppercase;
}
.about-visual {
  position: relative;
  margin: 0;
  overflow: hidden;
  background: #d5d2ca;
}
.about-visual::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(0deg, rgba(0,0,0,.42), transparent 42%);
}
.about-visual img {
  width: 100%;
  height: clamp(460px, 58vw, 760px);
  object-fit: cover;
  transition: transform .8s cubic-bezier(.2,.7,.2,1);
}
.about-visual:hover img { transform: scale(1.025); }
.about-visual figcaption {
  position: absolute;
  z-index: 2;
  left: 24px;
  right: 24px;
  bottom: 20px;
  display: flex;
  justify-content: space-between;
  gap: 24px;
  color: #fff;
  font-size: 10px;
  font-weight: 800;
  letter-spacing: .12em;
  text-transform: uppercase;
}

/* SERVICES */
.services-section {
  padding: 118px 0 130px;
  background: var(--bg);
  color: #fff;
}
.services-intro {
  display: grid;
  grid-template-columns: 1.2fr .8fr;
  gap: clamp(40px, 8vw, 130px);
  align-items: end;
  padding: 86px 0 78px;
}
.services-intro h2 span {
  color: transparent;
  -webkit-text-stroke: 1px rgba(255,255,255,.68);
}
.services-intro > p {
  max-width: 500px;
  margin: 0 0 4px auto;
  color: rgba(255,255,255,.58);
  font-size: 15px;
  line-height: 1.85;
}
.services-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(360px, .7fr);
  gap: clamp(46px, 6vw, 96px);
  align-items: start;
}
.services-list {
  border-top: 1px solid var(--line);
}
.service-item {
  position: relative;
  display: grid;
  grid-template-columns: 52px minmax(0, 1fr) auto;
  gap: 22px;
  align-items: start;
  padding: 27px 0 29px;
  border-bottom: 1px solid var(--line);
  cursor: default;
  outline: none;
  transition: opacity .25s ease, padding-left .3s ease, background .3s ease;
}
.service-item::before {
  content: "";
  position: absolute;
  left: 0;
  bottom: -1px;
  width: 0;
  height: 1px;
  background: #fff;
  transition: width .35s ease;
}
.service-item:hover,
.service-item:focus-visible,
.service-item.is-active { padding-left: 10px; }
.service-item:hover::before,
.service-item:focus-visible::before,
.service-item.is-active::before { width: 100%; }
.service-no {
  padding-top: 7px;
  color: rgba(255,255,255,.38);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: .14em;
}
.service-main h3 {
  margin: 0;
  font-size: clamp(25px, 2.35vw, 38px);
  line-height: 1;
  letter-spacing: -.035em;
  text-transform: uppercase;
}
.service-main p {
  max-width: 590px;
  margin: 12px 0 0;
  color: rgba(255,255,255,.5);
  font-size: 13px;
  line-height: 1.65;
  transition: color .25s ease;
}
.service-item:hover .service-main p,
.service-item:focus-visible .service-main p,
.service-item.is-active .service-main p { color: rgba(255,255,255,.74); }
.service-arrow {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border: 1px solid var(--line);
  font-size: 16px;
  transition: background .25s ease, color .25s ease, transform .25s ease;
}
.service-item:hover .service-arrow,
.service-item:focus-visible .service-arrow,
.service-item.is-active .service-arrow {
  background: #fff;
  color: #080808;
  transform: rotate(45deg);
}
.service-preview {
  position: sticky;
  top: calc(var(--header-h) + 32px);
}
.service-preview-frame {
  position: relative;
  overflow: hidden;
  aspect-ratio: 4 / 5;
  background: #181818;
}
.service-preview-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: opacity .22s ease, transform .55s cubic-bezier(.2,.7,.2,1);
}
.service-preview-frame.is-changing img {
  opacity: .18;
  transform: scale(1.025);
}
.service-preview-shade {
  position: absolute;
  inset: 0;
  background: linear-gradient(0deg, rgba(0,0,0,.7), transparent 48%);
  pointer-events: none;
}
.service-preview-label {
  position: absolute;
  left: 22px;
  right: 22px;
  bottom: 20px;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: .14em;
  text-transform: uppercase;
}
.service-preview > p {
  margin: 14px 0 0;
  color: rgba(255,255,255,.38);
  font-size: 10px;
  letter-spacing: .08em;
  line-height: 1.6;
  text-transform: uppercase;
}


/* PROJECTS / PORTFOLIO */
.projects-section {
  position: relative;
  padding: 118px 0 130px;
  background: var(--paper);
  color: var(--ink);
}
.projects-intro {
  display: grid;
  grid-template-columns: minmax(0, 1.18fr) minmax(320px, .82fr);
  gap: clamp(44px, 8vw, 128px);
  align-items: end;
  padding: 86px 0 72px;
}
.projects-intro h2 {
  margin: 0;
  font-size: clamp(58px, 7.1vw, 108px);
  line-height: .9;
  letter-spacing: -.06em;
  text-transform: uppercase;
}
.projects-intro h2 span {
  color: transparent;
  -webkit-text-stroke: 1px rgba(8,8,8,.72);
}
.projects-intro-copy {
  max-width: 500px;
  margin-left: auto;
  padding-bottom: 3px;
}
.projects-intro-copy > p:first-child {
  margin: 0;
  color: var(--muted-dark);
  font-size: 15px;
  line-height: 1.85;
}
.projects-note {
  margin: 22px 0 0;
  color: rgba(8,8,8,.44);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: .12em;
  text-transform: uppercase;
}
.projects-grid {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: 18px;
}
.project-card {
  position: relative;
  grid-column: span 5;
  padding: 0;
  border: 0;
  background: transparent;
  color: inherit;
  text-align: left;
  cursor: zoom-in;
  overflow: hidden;
  isolation: isolate;
}
.project-card-wide { grid-column: span 7; }
.project-card-tall { grid-column: span 5; }
.project-visual {
  position: relative;
  display: block;
  width: 100%;
  overflow: hidden;
  background: #d9d6cf;
}
.project-card-wide .project-visual { aspect-ratio: 16 / 10; }
.project-card-tall .project-visual { aspect-ratio: 4 / 5; }
.project-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .75s cubic-bezier(.2,.7,.2,1), filter .35s ease;
}
.project-card:nth-child(2) .project-visual img { object-position: center center; }
.project-card:nth-child(3) .project-visual img { object-position: 58% center; }
.project-card:nth-child(6) .project-visual img { object-position: center center; }
.project-shade {
  position: absolute;
  inset: 0;
  background: linear-gradient(0deg, rgba(0,0,0,.52), rgba(0,0,0,0) 52%);
  opacity: .72;
  transition: opacity .35s ease;
}
.project-info {
  position: absolute;
  z-index: 2;
  left: 22px;
  right: 22px;
  bottom: 19px;
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 20px;
  color: #fff;
  pointer-events: none;
}
.project-info > span:first-child {
  display: grid;
  gap: 6px;
}
.project-info strong {
  font-size: clamp(18px, 1.8vw, 27px);
  line-height: 1;
  letter-spacing: -.025em;
  text-transform: uppercase;
}
.project-info small,
.project-index {
  color: rgba(255,255,255,.72);
  font-size: 9px;
  font-weight: 800;
  letter-spacing: .14em;
  text-transform: uppercase;
}
.project-index {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  flex: 0 0 36px;
  border: 1px solid rgba(255,255,255,.46);
  border-radius: 50%;
  color: #fff;
}
.project-card:hover .project-visual img,
.project-card:focus-visible .project-visual img {
  transform: scale(1.035);
}
.project-card:hover .project-shade,
.project-card:focus-visible .project-shade { opacity: 1; }
.project-card:focus-visible {
  outline: 2px solid var(--ink);
  outline-offset: 4px;
}
.project-lightbox {
  position: fixed;
  inset: 0;
  z-index: 120;
  display: grid;
  place-items: center;
  padding: 28px;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity .28s ease, visibility .28s ease;
}
.project-lightbox.is-open {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}
.project-lightbox-backdrop {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  padding: 0;
  border: 0;
  background: rgba(4,7,12,.91);
  cursor: zoom-out;
}
.project-lightbox-dialog {
  position: relative;
  z-index: 1;
  width: min(1120px, 94vw);
  max-height: 90vh;
  display: grid;
  grid-template-rows: minmax(0, 1fr) auto;
  background: #0b0d11;
  box-shadow: 0 28px 80px rgba(0,0,0,.45);
}
.project-lightbox-image-wrap {
  display: grid;
  place-items: center;
  min-height: 0;
  background: #080a0d;
}
.project-lightbox-image-wrap img {
  display: block;
  max-width: 100%;
  max-height: calc(90vh - 82px);
  width: auto;
  height: auto;
  object-fit: contain;
}
.project-lightbox-caption {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 18px 22px;
  border-top: 1px solid rgba(255,255,255,.1);
  color: #fff;
}
.project-lightbox-caption strong {
  font-size: 14px;
  letter-spacing: .03em;
  text-transform: uppercase;
}
.project-lightbox-caption span {
  color: rgba(255,255,255,.56);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: .12em;
  text-transform: uppercase;
}
.project-lightbox-close {
  position: absolute;
  z-index: 2;
  top: 12px;
  right: 12px;
  width: 42px;
  height: 42px;
  padding: 0;
  border: 1px solid rgba(255,255,255,.28);
  border-radius: 50%;
  background: rgba(0,0,0,.46);
  color: #fff;
  font-size: 27px;
  line-height: 1;
  cursor: pointer;
}
body.lightbox-open { overflow: hidden; }

/* PLACEHOLDERS FOR NEXT BUILD STEP */
.placeholder-section {
  min-height: 58vh;
  padding: 110px 0;
  border-top: 1px solid rgba(255,255,255,.08);
  background: var(--bg-soft);
}
.placeholder-section:nth-of-type(even) { background: var(--bg); }
.placeholder-inner span {
  display: block;
  margin-bottom: 18px;
  color: #777;
  font-size: 12px;
  letter-spacing: .15em;
}
.placeholder-inner h2 {
  max-width: 900px;
  margin: 0;
  font-size: clamp(40px, 6vw, 86px);
  line-height: .95;
  letter-spacing: -.05em;
  text-transform: uppercase;
}

@media (max-width: 1080px) {
  .about-grid,
  .services-intro,
  .projects-intro { grid-template-columns: 1fr; }
  .about-grid { gap: 38px; }
  .about-copy { max-width: 720px; margin-left: auto; }
  .services-intro { gap: 34px; }
  .services-intro > p { margin-left: 0; }
  .projects-intro { gap: 34px; }
  .projects-intro-copy { max-width: 720px; margin-left: 0; }
  .services-layout { grid-template-columns: minmax(0, 1fr) 360px; gap: 38px; }
}

@media (max-width: 1020px) {
  :root {
    --topbar-h: 0px;
    --header-h: 76px;
  }
  .header-topbar { display: none; }
  .container { width: min(calc(100% - 32px), var(--container)); }
  .header-inner { grid-template-columns: 1fr auto; gap: 16px; }
  .brand-logo-stage { width: 78px; height: 62px; }
  .brand-logo { transform: scale(1.38); }
  .desktop-nav, .header-cta { display: none; }
  .menu-toggle { display: block; }
  .mobile-nav {
    position: fixed;
    top: var(--header-total-h);
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 49;
    display: flex;
    flex-direction: column;
    padding: 28px 16px 40px;
    background: rgba(255,255,255,.99);
    transform: translateY(-110%);
    opacity: 0;
    pointer-events: none;
    transition: transform .35s ease, opacity .35s ease;
  }
  .mobile-nav.is-open { transform: translateY(0); opacity: 1; pointer-events: auto; }
  .mobile-nav > a:not(.mobile-cta) {
    padding: 19px 4px;
    border-bottom: 1px solid rgba(15,24,39,.10);
    color: #151b28;
    font-size: 20px;
    font-weight: 700;
    text-transform: none;
  }
  .mobile-cta { margin-top: 26px; }

  .services-layout { grid-template-columns: 1fr; }
  .service-preview {
    position: relative;
    top: auto;
    display: grid;
    grid-template-columns: minmax(0, 1fr) 220px;
    align-items: end;
    gap: 18px;
    order: -1;
  }
  .service-preview-frame { aspect-ratio: 16 / 9; }
}

@media (max-width: 1100px) and (min-width: 681px) {
  .hero-content { padding-right: 34vw; }
  .hero h1 { max-width: 600px; font-size: clamp(50px, 6.2vw, 70px); }
  .hero-tagline { font-size: clamp(26px, 3.3vw, 36px); }
  .hero-copy { max-width: 500px; }
}

@media (max-width: 680px) {
  .container { width: min(calc(100% - 28px), var(--container)); }
  .hero { min-height: calc(100svh - var(--header-total-h)); }
  .hero-overlay {
    background:
      linear-gradient(90deg, rgba(0,0,0,.86), rgba(0,0,0,.54) 58%, rgba(0,0,0,.2)),
      linear-gradient(0deg, rgba(0,0,0,.8), rgba(0,0,0,.08) 70%);
  }
  .hero-content {
    padding-top: 72px;
    padding-right: 0;
    padding-bottom: 146px;
    max-width: 520px;
    margin-left: 0;
  }
  .eyebrow { margin-bottom: 16px; font-size: 10px; }
  .hero h1 { max-width: 480px; font-size: clamp(42px, 11.5vw, 62px); line-height: .96; }
  .hero-tagline { margin-top: 10px; font-size: clamp(24px, 7.2vw, 34px); }
  .hero-copy { max-width: 430px; margin-top: 19px; font-size: 14px; }
  .hero-actions { display: grid; grid-template-columns: 1fr; width: 100%; max-width: 360px; }
  .btn { width: 100%; }
  .hero-bottom { bottom: 20px; }
  .scroll-link { display: none; }
  .slide-arrow { width: 38px; height: 38px; }

  .about-section,
  .services-section,
  .projects-section { padding: 78px 0 84px; }
  .section-kicker { padding-bottom: 16px; }
  .about-grid,
  .services-intro,
  .projects-intro { padding: 58px 0 50px; }
  .about-heading h2,
  .services-intro h2,
  .projects-intro h2 { font-size: clamp(48px, 15vw, 74px); line-height: .9; }
  .about-lead { font-size: 21px; }
  .about-copy > p:not(.about-lead),
  .services-intro > p { font-size: 14px; line-height: 1.75; }
  .about-visual img { height: 470px; }
  .about-visual figcaption {
    left: 16px;
    right: 16px;
    bottom: 14px;
    display: grid;
    gap: 6px;
    font-size: 9px;
  }
  .services-layout { gap: 34px; }
  .service-preview { display: block; }
  .service-preview-frame { aspect-ratio: 4 / 3; }
  .service-preview > p { display: none; }
  .service-item {
    grid-template-columns: 34px minmax(0, 1fr) 34px;
    gap: 12px;
    padding: 22px 0 24px;
  }
  .service-item:hover,
  .service-item:focus-visible,
  .service-item.is-active { padding-left: 0; }
  .service-main h3 { font-size: clamp(23px, 7.2vw, 31px); line-height: 1.02; }
  .service-main p { margin-top: 10px; font-size: 12px; }
  .service-arrow { width: 32px; height: 32px; }
  .projects-grid { grid-template-columns: 1fr; gap: 12px; }
  .project-card,
  .project-card-wide,
  .project-card-tall { grid-column: 1; }
  .project-card-wide .project-visual,
  .project-card-tall .project-visual { aspect-ratio: 4 / 3; }
  .project-info { left: 16px; right: 16px; bottom: 14px; }
  .project-info strong { font-size: 20px; }
  .project-lightbox { padding: 12px; }
  .project-lightbox-dialog { width: 100%; max-height: 92vh; }
  .project-lightbox-image-wrap img { max-height: calc(92vh - 100px); }
  .project-lightbox-caption { align-items: flex-start; flex-direction: column; gap: 7px; padding: 15px 16px; }
  .placeholder-section { min-height: 48vh; padding: 80px 0; }
}



/* =========================================================
   V2.6 — Quy trình sản xuất
   ========================================================= */
.process-section {
  position: relative;
  padding: 116px 0 126px;
  background: #f7f6f2;
  color: var(--ink);
  overflow: hidden;
}
.process-section::before {
  content: "";
  position: absolute;
  width: 420px;
  height: 420px;
  right: -220px;
  top: 80px;
  border: 1px solid rgba(217,31,42,.08);
  border-radius: 50%;
  pointer-events: none;
}
.process-kicker {
  border-color: rgba(8,8,8,.14);
}
.process-intro {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(320px, .85fr);
  gap: clamp(48px, 8vw, 126px);
  align-items: end;
  padding: 78px 0 64px;
}
.process-eyebrow {
  display: block;
  margin-bottom: 18px;
  color: var(--brand-red);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: .14em;
  text-transform: uppercase;
}
.process-heading h2 {
  margin: 0;
  max-width: 800px;
  font-size: clamp(50px, 6vw, 88px);
  line-height: .94;
  letter-spacing: -.055em;
}
.process-heading h2 span {
  color: #6d7076;
  font-weight: 500;
}
.process-intro-copy {
  max-width: 520px;
  margin-left: auto;
  padding-bottom: 4px;
}
.process-intro-copy p {
  margin: 0;
  color: #5f6268;
  font-size: 15px;
  line-height: 1.85;
}
.process-cta {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  margin-top: 26px;
  padding-bottom: 7px;
  border-bottom: 1px solid rgba(217,31,42,.42);
  color: var(--brand-red);
  font-size: 13px;
  font-weight: 800;
  transition: gap .2s ease, border-color .2s ease;
}
.process-cta:hover {
  gap: 17px;
  border-color: var(--brand-red);
}
.process-layout {
  display: grid;
  grid-template-columns: minmax(330px, .78fr) minmax(0, 1.22fr);
  gap: clamp(34px, 5vw, 78px);
  align-items: start;
}
.process-visual {
  position: sticky;
  top: calc(var(--header-total-h) + 28px);
  margin: 0;
  min-height: 590px;
  overflow: hidden;
  background: #111;
  border-radius: 3px;
  box-shadow: 0 18px 50px rgba(13,20,32,.10);
}
.process-visual img {
  width: 100%;
  height: 100%;
  min-height: 590px;
  object-fit: cover;
  object-position: center;
  transition: transform .8s cubic-bezier(.2,.7,.2,1);
}
.process-visual:hover img { transform: scale(1.025); }
.process-visual-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(9,15,26,.02) 38%, rgba(9,15,26,.78) 100%);
}
.process-visual figcaption {
  position: absolute;
  left: 26px;
  right: 26px;
  bottom: 24px;
  display: grid;
  gap: 7px;
  color: #fff;
}
.process-visual figcaption span {
  color: rgba(255,255,255,.72);
  font-size: 9px;
  font-weight: 800;
  letter-spacing: .16em;
}
.process-visual figcaption strong {
  font-size: clamp(21px, 2vw, 29px);
  line-height: 1.05;
  letter-spacing: -.025em;
}
.process-steps {
  position: relative;
  display: grid;
}
.process-steps::before {
  content: "";
  position: absolute;
  left: 22px;
  top: 24px;
  bottom: 24px;
  width: 1px;
  background: linear-gradient(180deg, var(--brand-red), rgba(217,31,42,.13));
}
.process-step {
  position: relative;
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr);
  gap: 22px;
  padding: 25px 0 27px;
  border-bottom: 1px solid rgba(8,8,8,.12);
}
.process-step:first-child { border-top: 1px solid rgba(8,8,8,.12); }
.process-step-no {
  position: relative;
  z-index: 2;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 46px;
  height: 46px;
  border: 1px solid rgba(217,31,42,.25);
  border-radius: 50%;
  background: #f7f6f2;
  color: var(--brand-red);
  font-size: 10px;
  font-weight: 900;
  letter-spacing: .08em;
  transition: background .25s ease, color .25s ease, transform .25s ease;
}
.process-step > div {
  padding: 2px 18px 0 0;
}
.process-step h3 {
  margin: 0;
  color: #131722;
  font-size: clamp(21px, 2vw, 29px);
  line-height: 1.05;
  letter-spacing: -.025em;
}
.process-step p {
  max-width: 650px;
  margin: 10px 0 0;
  color: #6b6e74;
  font-size: 13px;
  line-height: 1.72;
}
.process-step:hover .process-step-no {
  background: var(--brand-red);
  color: #fff;
  transform: scale(1.05);
}
.process-step:hover h3 { color: var(--brand-red); }

@media (max-width: 1080px) {
  .process-intro { grid-template-columns: 1fr; gap: 30px; }
  .process-intro-copy { max-width: 720px; margin-left: 0; }
  .process-layout { grid-template-columns: minmax(280px, .72fr) minmax(0, 1.28fr); gap: 34px; }
}

@media (max-width: 820px) {
  .process-layout { grid-template-columns: 1fr; }
  .process-visual {
    position: relative;
    top: auto;
    min-height: 440px;
  }
  .process-visual img { min-height: 440px; }
}

@media (max-width: 680px) {
  .process-section { padding: 78px 0 86px; }
  .process-intro { padding: 56px 0 44px; }
  .process-eyebrow { margin-bottom: 14px; font-size: 9px; }
  .process-heading h2 { font-size: clamp(42px, 13vw, 62px); line-height: .95; }
  .process-intro-copy p { font-size: 14px; line-height: 1.75; }
  .process-visual,
  .process-visual img { min-height: 380px; }
  .process-visual figcaption { left: 18px; right: 18px; bottom: 17px; }
  .process-steps::before { left: 19px; }
  .process-step {
    grid-template-columns: 40px minmax(0, 1fr);
    gap: 16px;
    padding: 21px 0 23px;
  }
  .process-step-no { width: 40px; height: 40px; font-size: 9px; }
  .process-step > div { padding-right: 0; }
  .process-step h3 { font-size: 21px; }
  .process-step p { margin-top: 8px; font-size: 12px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; animation-duration: .01ms !important; }
  .reveal-on-scroll { opacity: 1; transform: none; }
}

/* =========================================================
   V2.5 — Portfolio editorial / masonry layout
   ========================================================= */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(28px, 3.2vw, 52px);
  align-items: start;
}
.projects-column {
  display: grid;
  gap: clamp(46px, 5vw, 78px);
  align-content: start;
}
.projects-column-right {
  padding-top: clamp(38px, 5vw, 78px);
}
.project-card,
.project-card-wide,
.project-card-tall {
  display: block;
  width: 100%;
  grid-column: auto;
  padding: 0;
  overflow: visible;
  border: 0;
  background: transparent;
  color: var(--ink);
  text-align: left;
  cursor: zoom-in;
}
.project-visual {
  position: relative;
  display: block;
  width: 100%;
  overflow: hidden;
  background: #d9d6cf;
  box-shadow: 0 14px 34px rgba(11, 17, 28, .08);
}
.project-card-wide .project-visual { aspect-ratio: 16 / 10; }
.project-card-tall .project-visual { aspect-ratio: 4 / 5; }
.project-shade {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(7, 12, 22, .02), rgba(7, 12, 22, .18));
  opacity: .25;
  transition: opacity .35s ease;
}
.project-visual::after {
  content: "Xem ảnh ↗";
  position: absolute;
  z-index: 3;
  top: 18px;
  right: 18px;
  padding: 10px 13px;
  border: 1px solid rgba(255,255,255,.28);
  border-radius: 999px;
  background: rgba(9, 15, 26, .76);
  color: #fff;
  font-size: 10px;
  font-weight: 800;
  letter-spacing: .08em;
  text-transform: uppercase;
  opacity: 0;
  transform: translateY(-6px);
  transition: opacity .3s ease, transform .3s ease;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}
.project-info {
  position: static;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 20px;
  margin-top: 17px;
  padding: 0 2px 0;
  color: var(--ink);
  background: transparent;
  border: 0;
  border-radius: 0;
  box-shadow: none;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
  pointer-events: none;
}
.project-info > span:first-child {
  display: grid;
  gap: 7px;
  min-width: 0;
}
.project-info small {
  order: -1;
  color: #d8202a;
  font-size: 10px;
  font-weight: 800;
  letter-spacing: .13em;
  line-height: 1.35;
  text-transform: uppercase;
}
.project-info strong {
  color: var(--ink);
  font-size: clamp(22px, 2vw, 31px);
  font-weight: 750;
  line-height: 1.05;
  letter-spacing: -.035em;
  text-transform: none;
  text-shadow: none;
}
.project-index {
  display: inline-flex;
  align-items: center;
  justify-content: flex-end;
  width: auto;
  height: auto;
  min-width: 56px;
  flex: 0 0 auto;
  padding-top: 3px;
  border: 0;
  border-radius: 0;
  background: transparent;
  color: rgba(8, 8, 8, .44);
  box-shadow: none;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: .12em;
}
.project-index::before {
  content: "";
  width: 24px;
  height: 1px;
  margin-right: 9px;
  background: #d8202a;
}
.project-card:hover .project-visual img,
.project-card:focus-visible .project-visual img {
  transform: scale(1.028);
  filter: saturate(1.03) contrast(1.02);
}
.project-card:hover .project-shade,
.project-card:focus-visible .project-shade {
  opacity: .55;
}
.project-card:hover .project-visual::after,
.project-card:focus-visible .project-visual::after {
  opacity: 1;
  transform: translateY(0);
}
.project-card:focus-visible {
  outline: none;
}
.project-card:focus-visible .project-visual {
  outline: 2px solid #d8202a;
  outline-offset: 4px;
}

@media (max-width: 900px) {
  .projects-grid {
    grid-template-columns: 1fr;
    gap: 0;
  }
  .projects-column,
  .projects-column-right {
    gap: 48px;
    padding-top: 0;
  }
  .projects-column-right {
    margin-top: 48px;
  }
  .project-card-wide .project-visual,
  .project-card-tall .project-visual {
    aspect-ratio: 4 / 3;
  }
}

@media (max-width: 680px) {
  .projects-column,
  .projects-column-right {
    gap: 42px;
  }
  .projects-column-right {
    margin-top: 42px;
  }
  .project-info {
    margin-top: 14px;
    padding: 0;
  }
  .project-info strong {
    font-size: 22px;
  }
  .project-info small {
    font-size: 9px;
  }
  .project-index {
    min-width: 48px;
    font-size: 10px;
  }
  .project-index::before {
    width: 18px;
    margin-right: 7px;
  }
  .project-visual::after {
    display: none;
  }
}

/* =========================================================
   V2.7 — Vì sao chọn Hava + CTA chuyển đổi
   ========================================================= */
.why-section {
  position: relative;
  padding: 116px 0 126px;
  overflow: hidden;
  background: var(--navy);
  color: #fff;
}
.why-section::before {
  content: "";
  position: absolute;
  width: 540px;
  height: 540px;
  top: -300px;
  right: -210px;
  border: 1px solid rgba(255,255,255,.07);
  border-radius: 50%;
  pointer-events: none;
}
.why-section::after {
  content: "";
  position: absolute;
  width: 300px;
  height: 300px;
  left: -190px;
  bottom: 190px;
  border: 1px solid rgba(217,31,42,.16);
  border-radius: 50%;
  pointer-events: none;
}
.why-kicker {
  border-color: rgba(255,255,255,.16);
}
.why-kicker .section-no,
.why-kicker .section-name {
  color: rgba(255,255,255,.72);
}
.why-intro {
  display: grid;
  grid-template-columns: minmax(0, 1.18fr) minmax(320px, .82fr);
  gap: clamp(46px, 8vw, 124px);
  align-items: end;
  padding: 78px 0 64px;
}
.why-eyebrow {
  display: block;
  margin-bottom: 18px;
  color: #ff7c84;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: .14em;
  text-transform: uppercase;
}
.why-heading h2 {
  max-width: 860px;
  margin: 0;
  font-size: clamp(48px, 5.7vw, 84px);
  line-height: .95;
  letter-spacing: -.055em;
}
.why-heading h2 span {
  color: rgba(255,255,255,.54);
  font-weight: 500;
}
.why-copy {
  max-width: 520px;
  margin-left: auto;
  padding-bottom: 4px;
}
.why-copy p {
  margin: 0;
  color: rgba(255,255,255,.66);
  font-size: 15px;
  line-height: 1.85;
}
.why-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border-top: 1px solid rgba(255,255,255,.15);
  border-bottom: 1px solid rgba(255,255,255,.15);
}
.why-card {
  position: relative;
  min-height: 330px;
  padding: 30px 28px 32px;
  border-right: 1px solid rgba(255,255,255,.13);
  transition: background .3s ease, transform .3s ease;
}
.why-card:last-child { border-right: 0; }
.why-card:hover {
  background: rgba(255,255,255,.045);
  transform: translateY(-3px);
}
.why-card-no {
  display: block;
  color: #ff7c84;
  font-size: 10px;
  font-weight: 900;
  letter-spacing: .13em;
}
.why-card-line {
  width: 34px;
  height: 2px;
  margin: 54px 0 26px;
  background: var(--brand-red);
  transition: width .3s ease;
}
.why-card:hover .why-card-line { width: 58px; }
.why-card h3 {
  margin: 0;
  color: #fff;
  font-size: clamp(22px, 1.8vw, 28px);
  line-height: 1.08;
  letter-spacing: -.03em;
}
.why-card p {
  margin: 18px 0 0;
  color: rgba(255,255,255,.56);
  font-size: 13px;
  line-height: 1.72;
}
.conversion-cta {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.18fr) auto;
  gap: 48px;
  align-items: end;
  margin-top: 72px;
  padding: clamp(38px, 5vw, 64px);
  overflow: hidden;
  background: #fff;
  color: var(--ink);
  box-shadow: 0 26px 70px rgba(0,0,0,.16);
}
.conversion-cta::after {
  content: "";
  position: absolute;
  width: 210px;
  height: 210px;
  top: -125px;
  right: -75px;
  border: 34px solid rgba(217,31,42,.07);
  border-radius: 50%;
  pointer-events: none;
}
.conversion-cta-copy {
  position: relative;
  z-index: 1;
  max-width: 790px;
}
.conversion-label {
  display: block;
  margin-bottom: 18px;
  color: var(--brand-red);
  font-size: 10px;
  font-weight: 900;
  letter-spacing: .15em;
  text-transform: uppercase;
}
.conversion-cta h3 {
  max-width: 760px;
  margin: 0;
  font-size: clamp(34px, 4.2vw, 62px);
  line-height: .98;
  letter-spacing: -.045em;
}
.conversion-cta p {
  max-width: 700px;
  margin: 22px 0 0;
  color: #676b72;
  font-size: 14px;
  line-height: 1.75;
}
.conversion-actions {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 12px;
  min-width: 218px;
}
.conversion-primary,
.conversion-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  min-height: 54px;
  padding: 0 22px;
  border: 1px solid rgba(11,11,11,.16);
  font-size: 13px;
  font-weight: 800;
  transition: transform .2s ease, background .2s ease, color .2s ease, border-color .2s ease;
}
.conversion-primary {
  border-color: var(--brand-red);
  background: var(--brand-red);
  color: #fff;
}
.conversion-primary:hover {
  background: #b91724;
  border-color: #b91724;
  transform: translateY(-2px);
}
.conversion-secondary {
  background: #fff;
  color: var(--ink);
}
.conversion-secondary:hover {
  border-color: var(--ink);
  transform: translateY(-2px);
}

@media (max-width: 1080px) {
  .why-intro { grid-template-columns: 1fr; gap: 30px; }
  .why-copy { max-width: 720px; margin-left: 0; }
  .why-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .why-card:nth-child(2) { border-right: 0; }
  .why-card:nth-child(-n+2) { border-bottom: 1px solid rgba(255,255,255,.13); }
  .conversion-cta { grid-template-columns: 1fr; align-items: start; }
  .conversion-actions { grid-template-columns: repeat(2, minmax(0, 1fr)); min-width: 0; }
}

@media (max-width: 680px) {
  .why-section { padding: 78px 0 86px; }
  .why-intro { padding: 56px 0 46px; }
  .why-eyebrow { margin-bottom: 14px; font-size: 9px; }
  .why-heading h2 { font-size: clamp(40px, 12.5vw, 60px); line-height: .96; }
  .why-copy p { font-size: 14px; line-height: 1.75; }
  .why-grid { grid-template-columns: 1fr; }
  .why-card,
  .why-card:nth-child(2) {
    min-height: 0;
    padding: 28px 2px 30px;
    border-right: 0;
    border-bottom: 1px solid rgba(255,255,255,.13);
  }
  .why-card:last-child { border-bottom: 0; }
  .why-card-line { margin: 28px 0 20px; }
  .why-card h3 { font-size: 24px; }
  .why-card p { margin-top: 13px; font-size: 12px; }
  .conversion-cta {
    margin-top: 54px;
    padding: 30px 22px;
    gap: 30px;
  }
  .conversion-cta h3 { font-size: clamp(31px, 9vw, 44px); }
  .conversion-cta p { margin-top: 17px; font-size: 13px; }
  .conversion-actions { grid-template-columns: 1fr; }
}

/* =========================================================
   V2.8 — LIÊN HỆ & NHẬN BÁO GIÁ + FOOTER
   ========================================================= */
.contact-section {
  position: relative;
  padding: 116px 0 126px;
  background: var(--paper);
  color: var(--ink);
  border-top: 1px solid rgba(8,8,8,.08);
}
.contact-kicker {
  color: var(--ink);
  border-color: rgba(8,8,8,.16);
}
.contact-intro {
  display: grid;
  grid-template-columns: minmax(0, 1.18fr) minmax(320px, .82fr);
  gap: clamp(44px, 8vw, 128px);
  align-items: end;
  padding: 82px 0 68px;
}
.contact-eyebrow {
  display: block;
  margin-bottom: 18px;
  color: var(--brand-red);
  font-size: 10px;
  font-weight: 900;
  letter-spacing: .15em;
  text-transform: uppercase;
}
.contact-heading h2 {
  margin: 0;
  max-width: 900px;
  font-size: clamp(54px, 6.8vw, 102px);
  line-height: .92;
  letter-spacing: -.055em;
  text-transform: uppercase;
}
.contact-heading h2 span {
  color: transparent;
  -webkit-text-stroke: 1px rgba(11,11,11,.74);
}
.contact-intro-copy {
  max-width: 510px;
  margin-left: auto;
}
.contact-intro-copy p {
  margin: 0;
  color: #62666d;
  font-size: 15px;
  line-height: 1.85;
}
.contact-layout {
  display: grid;
  grid-template-columns: minmax(280px, .72fr) minmax(0, 1.28fr);
  gap: 24px;
  align-items: start;
}
.contact-details {
  display: grid;
  gap: 1px;
  background: rgba(8,8,8,.12);
  border: 1px solid rgba(8,8,8,.12);
}
.contact-detail-card {
  min-height: 150px;
  padding: 26px 28px;
  background: #fff;
}
.contact-detail-primary {
  min-height: 190px;
  background: var(--navy);
  color: #fff;
}
.contact-detail-label {
  display: block;
  margin-bottom: 18px;
  color: var(--brand-red);
  font-size: 9px;
  font-weight: 900;
  letter-spacing: .14em;
  text-transform: uppercase;
}
.contact-detail-primary .contact-detail-label { color: #ff9ca2; }
.contact-detail-card > a {
  display: inline-block;
  max-width: 100%;
  color: var(--ink);
  font-size: clamp(19px, 2vw, 28px);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -.025em;
  overflow-wrap: anywhere;
  transition: color .2s ease;
}
.contact-detail-card > a:hover { color: var(--brand-red); }
.contact-detail-primary > a {
  color: #fff;
  font-size: clamp(28px, 3vw, 42px);
}
.contact-detail-primary > a:hover { color: #ff8d95; }
.contact-detail-card p {
  margin: 15px 0 0;
  color: #74777d;
  font-size: 13px;
  line-height: 1.7;
}
.contact-detail-primary p { color: rgba(255,255,255,.62); }
.contact-detail-value {
  margin-top: 0 !important;
  color: #272a30 !important;
  font-size: 16px !important;
  font-weight: 700;
  line-height: 1.55 !important;
}
.quote-panel {
  padding: clamp(30px, 4vw, 54px);
  background: #fff;
  border: 1px solid rgba(8,8,8,.1);
  box-shadow: 0 24px 70px rgba(15,24,39,.08);
}
.quote-panel-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 24px;
  padding-bottom: 26px;
  margin-bottom: 30px;
  border-bottom: 1px solid rgba(8,8,8,.12);
}
.quote-panel-head span {
  color: var(--brand-red);
  font-size: 9px;
  font-weight: 900;
  letter-spacing: .15em;
  text-transform: uppercase;
}
.quote-panel-head strong {
  color: var(--ink);
  font-size: clamp(24px, 2.5vw, 36px);
  line-height: 1;
  letter-spacing: -.035em;
}
.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 26px 22px;
}
.form-field {
  display: grid;
  gap: 10px;
}
.form-field-full { grid-column: 1 / -1; }
.form-field > span {
  color: #3a3d43;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: .04em;
}
.form-field > span b {
  color: var(--brand-red);
  font-weight: 900;
}
.form-field input,
.form-field select,
.form-field textarea {
  width: 100%;
  border: 0;
  border-bottom: 1px solid rgba(8,8,8,.24);
  border-radius: 0;
  outline: 0;
  background: transparent;
  color: var(--ink);
  font: inherit;
  font-size: 15px;
  transition: border-color .2s ease, box-shadow .2s ease;
}
.form-field input,
.form-field select { min-height: 50px; }
.form-field textarea {
  min-height: 126px;
  padding: 12px 0;
  resize: vertical;
  line-height: 1.6;
}
.form-field select { cursor: pointer; }
.form-field input::placeholder,
.form-field textarea::placeholder { color: #a0a2a6; }
.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
  border-color: var(--brand-red);
  box-shadow: 0 1px 0 var(--brand-red);
}
.quote-form-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  margin-top: 34px;
}
.quote-form-footer p {
  max-width: 520px;
  margin: 0;
  color: #85888e;
  font-size: 10px;
  line-height: 1.65;
}
.quote-submit {
  min-width: 230px;
  min-height: 58px;
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: 22px;
  padding: 0 24px;
  border: 1px solid var(--brand-red);
  border-radius: 0;
  background: var(--brand-red);
  color: #fff;
  font-size: 12px;
  font-weight: 900;
  cursor: pointer;
  transition: transform .2s ease, background .2s ease, border-color .2s ease;
}
.quote-submit:hover {
  transform: translateY(-2px);
  background: #b91724;
  border-color: #b91724;
}

.site-footer {
  background: #0c1320;
  color: #fff;
  border-top: 1px solid rgba(255,255,255,.08);
}
.footer-main {
  display: grid;
  grid-template-columns: minmax(320px, 1.35fr) minmax(150px, .55fr) minmax(260px, .8fr);
  gap: clamp(44px, 7vw, 100px);
  padding: 76px 0 64px;
}
.footer-brand { max-width: 460px; }
.footer-logo-link {
  display: inline-flex;
  align-items: center;
  width: 112px;
  height: 82px;
  overflow: hidden;
  margin-bottom: 24px;
}
.footer-logo {
  width: 100%;
  height: 100%;
  object-fit: contain;
  transform: scale(1.36);
  filter: drop-shadow(0 4px 10px rgba(0,0,0,.16));
}
.footer-brand p,
.footer-contact p {
  margin: 0;
  color: rgba(255,255,255,.58);
  font-size: 13px;
  line-height: 1.75;
}
.footer-title {
  display: block;
  margin-bottom: 24px;
  color: #ff969d;
  font-size: 9px;
  font-weight: 900;
  letter-spacing: .15em;
  text-transform: uppercase;
}
.footer-links,
.footer-contact {
  display: grid;
  align-content: start;
  gap: 13px;
}
.footer-links a,
.footer-contact a {
  width: fit-content;
  color: rgba(255,255,255,.86);
  font-size: 13px;
  font-weight: 700;
  transition: color .2s ease, transform .2s ease;
}
.footer-links a:hover,
.footer-contact a:hover {
  color: #fff;
  transform: translateX(3px);
}
.footer-contact p { margin-top: 6px; }
.footer-bottom {
  min-height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  border-top: 1px solid rgba(255,255,255,.11);
}
.footer-bottom p {
  margin: 0;
  color: rgba(255,255,255,.42);
  font-size: 10px;
  line-height: 1.5;
}
.footer-bottom a {
  color: rgba(255,255,255,.78);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: .08em;
  text-transform: uppercase;
  transition: color .2s ease;
}
.footer-bottom a:hover { color: #fff; }

@media (max-width: 1080px) {
  .contact-intro { grid-template-columns: 1fr; gap: 28px; }
  .contact-intro-copy { max-width: 720px; margin-left: 0; }
  .contact-layout { grid-template-columns: 1fr; }
  .contact-details { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .contact-detail-primary { min-height: 170px; }
  .footer-main {
    grid-template-columns: minmax(280px, 1fr) repeat(2, minmax(160px, .55fr));
    gap: 42px;
  }
}

@media (max-width: 680px) {
  .contact-section { padding: 78px 0 82px; }
  .contact-intro { padding: 56px 0 44px; }
  .contact-eyebrow { margin-bottom: 14px; font-size: 9px; }
  .contact-heading h2 { font-size: clamp(40px, 12.5vw, 58px); line-height: .96; }
  .contact-intro-copy p { font-size: 14px; line-height: 1.75; }
  .contact-details { grid-template-columns: 1fr; }
  .contact-detail-card,
  .contact-detail-primary { min-height: 0; padding: 24px 22px; }
  .contact-detail-primary > a { font-size: 30px; }
  .quote-panel { padding: 28px 20px; }
  .quote-panel-head {
    align-items: start;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 26px;
  }
  .form-grid { grid-template-columns: 1fr; gap: 22px; }
  .form-field-full { grid-column: auto; }
  .quote-form-footer {
    align-items: stretch;
    flex-direction: column;
  }
  .quote-submit { width: 100%; min-width: 0; }
  .footer-main {
    grid-template-columns: 1fr;
    gap: 42px;
    padding: 58px 0 46px;
  }
  .footer-brand { max-width: 100%; }
  .footer-bottom {
    align-items: flex-start;
    flex-direction: column;
    justify-content: center;
    gap: 12px;
    padding: 24px 0;
  }
}

/* =========================================================
   V2.9 — Google Sheets form states + footer logo alignment
   ========================================================= */
.honeypot {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
  white-space: nowrap !important;
  border: 0 !important;
}

.form-field.is-invalid input,
.form-field.is-invalid select,
.form-field.is-invalid textarea {
  border-color: #d91f2c;
  box-shadow: 0 1px 0 #d91f2c;
}

.form-status {
  min-height: 22px;
  margin: 18px 0 0;
  font-size: 12px;
  font-weight: 700;
  line-height: 1.6;
}
.form-status:empty { min-height: 0; margin-top: 0; }
.form-status.is-sending { color: #6d7178; }
.form-status.is-success { color: #087443; }
.form-status.is-error { color: #c31d2a; }

.quote-submit:disabled {
  cursor: wait;
  opacity: .72;
  transform: none;
}
.quote-submit.is-loading .quote-submit-icon {
  animation: havaSubmitPulse .85s ease-in-out infinite alternate;
}
@keyframes havaSubmitPulse {
  from { opacity: .35; transform: translateX(-2px); }
  to { opacity: 1; transform: translateX(2px); }
}

/* Giữ logo footer đúng tỷ lệ và kích thước như landing page Team Building. */
.footer-logo-link {
  display: inline-flex;
  align-items: center;
  width: auto;
  height: auto;
  overflow: visible;
  margin-bottom: 24px;
  line-height: 0;
}
.footer-logo {
  display: block;
  width: auto;
  height: 112px;
  max-width: 160px;
  object-fit: contain;
  transform: none;
  filter: drop-shadow(0 10px 24px rgba(0,0,0,.24));
}

@media (max-width: 680px) {
  .footer-logo { height: 98px; }
}


/* V2.10 — Gợi ý định dạng số điện thoại */
.field-hint {
  display: block;
  margin-top: 7px;
  color: rgba(8, 8, 8, .52);
  font-size: 11px;
  line-height: 1.45;
}
.form-field.is-invalid .field-hint {
  color: #b3131b;
}