/* ============================================================
   HÀ TRANG — Bê tông thương phẩm, Vật tư xây dựng & Vận tải
   Design system: Industrial Corporate
   Palette: navy / bright blue / near-black diagonal accent
   Type: Be Vietnam Pro (display/body) + IBM Plex Mono (technical)
   ============================================================ */

:root {
  /* Ink / dark */
  --ink:        #0A0A12;
  --ink-2:      #10122A;
  --navy:       #1c1966;
  --navy-2:     #23207a;

  /* Blue */
  --blue:       #1f37a2;
  --blue-600:   #2457e0;
  --accent:     #2f5bff;
  --accent-300: #8fb0ff;

  /* Steel neutrals */
  --steel-900:  #262A3B;
  --steel-700:  #454A63;
  --steel-500:  #6D7290;
  --steel-300:  #ABAFC7;
  --steel-200:  #CDD0E1;

  /* Light surfaces */
  --fog:        #E9EBF5;
  --paper:      #F4F6FB;
  --white:      #FFFFFF;

  /* Lines */
  --line:       #E3E6F0;
  --line-dark:  rgba(255,255,255,0.10);
  --line-dark-2:rgba(255,255,255,0.18);

  /* Effects */
  --shadow-sm:  0 1px 2px rgba(10,10,18,.06), 0 2px 8px rgba(10,10,18,.04);
  --shadow-md:  0 8px 30px rgba(10,10,18,.10);
  --shadow-lg:  0 24px 70px rgba(10,10,18,.20);

  --maxw:       1240px;
  --pad:        clamp(20px, 5vw, 64px);

  --r-sm: 6px;
  --r:    12px;
  --r-lg: 20px;

  --ff-sans: "Be Vietnam Pro", "Noto Sans SC", system-ui, -apple-system, "Segoe UI", sans-serif;
  --ff-mono: "IBM Plex Mono", ui-monospace, "SFMono-Regular", monospace;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--ff-sans);
  color: var(--steel-900);
  background: var(--white);
  font-size: 17px;
  line-height: 1.6;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; }
h1,h2,h3,h4 { margin: 0; font-weight: 800; line-height: 1.05; letter-spacing: -0.02em; color: var(--ink); }
p { margin: 0; }

/* ---------- Layout ---------- */
.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding-inline: var(--pad); }
.section { padding-block: clamp(64px, 8vw, 128px); position: relative; scroll-margin-top: 70px; }
.section--alt { background: var(--paper); }
.section--dark { background: var(--ink); color: #fff; }

.kicker {
  display: inline-flex; align-items: center; gap: 12px;
  font-family: var(--ff-mono); font-size: 13px; font-weight: 500;
  letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--blue-600);
}
.kicker .bar { width: 34px; height: 1px; background: var(--steel-300); }
.on-dark .kicker { color: var(--accent-300); }
.on-dark .kicker .bar { background: var(--line-dark-2); }

.h-lead { font-size: clamp(28px, 4vw, 48px); margin-top: 20px; letter-spacing: -0.03em; }
.lead-sub { font-size: clamp(16.5px, 1.4vw, 18.5px); color: var(--steel-700); max-width: 60ch; margin-top: 18px; line-height: 1.7; }
.on-dark, .on-dark h1, .on-dark h2, .on-dark h3 { color: #fff; }
.on-dark .lead-sub { color: var(--steel-300); }

.shead { max-width: 66ch; }
.shead--split { display: grid; grid-template-columns: 1.15fr .85fr; gap: 44px; align-items: end; max-width: none; }
.shead--split .shead__r { padding-bottom: 6px; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  height: 54px; padding-inline: 26px; border-radius: var(--r-sm);
  font-weight: 600; font-size: 16px; letter-spacing: -0.01em;
  border: 1px solid transparent; white-space: nowrap;
  transition: transform .18s ease, background .2s ease, box-shadow .2s ease, border-color .2s;
}
.btn svg { width: 19px; height: 19px; }
.btn--primary { background: var(--accent); color: #fff; box-shadow: 0 8px 24px rgba(47,91,255,.32); }
.btn--primary:hover { background: var(--blue-600); transform: translateY(-2px); box-shadow: 0 14px 32px rgba(47,91,255,.4); }
.btn--dark { background: var(--navy); color: #fff; }
.btn--dark:hover { background: var(--ink); transform: translateY(-2px); }
.btn--ghost { background: transparent; color: var(--ink); border-color: var(--line); }
.btn--ghost:hover { border-color: var(--ink); background: var(--paper); }
.on-dark .btn--ghost { color: #fff; border-color: var(--line-dark-2); }
.on-dark .btn--ghost:hover { background: rgba(255,255,255,.08); border-color: rgba(255,255,255,.45); }
.btn--sm { height: 44px; padding-inline: 18px; font-size: 14.5px; }
.btn--block { width: 100%; }

/* ---------- Nav (always solid, like Heidelberg Materials' bar) ---------- */
.nav {
  position: fixed; inset: 0 0 auto 0; z-index: 80;
  background: #fff;
  border-bottom: 1px solid var(--line);
  box-shadow: 0 1px 0 rgba(10,10,18,.02);
}
.nav__inner { display: flex; align-items: center; gap: 14px; height: 72px; }
.brand { display: flex; align-items: center; gap: 11px; flex-shrink: 0; }
.brand__logo { height: 30px; width: auto; display: block; }
.brand__logo--white { display: none; }

.nav__links { display: flex; align-items: center; flex-wrap: nowrap; justify-content: center; flex: 1 1 auto; min-width: 0; }
.nav__links a {
  font-size: 13.5px; font-weight: 500; color: var(--steel-700); white-space: nowrap;
  padding: 8px 8px; border-radius: 7px; transition: color .15s, background .15s;
}
.nav__profile-link { display: inline-flex !important; align-items: center; gap: 5px; }
.nav__profile-link svg { width: 14px; height: 14px; flex-shrink: 0; }
.nav__links a:hover { color: var(--ink); background: var(--paper); }

.nav__right { margin-left: auto; display: flex; align-items: center; gap: 14px; flex-shrink: 0; }

.lang-select {
  display: inline-flex; align-items: center; gap: 6px; height: 40px; padding-inline: 10px 8px;
  border: 1px solid var(--line); border-radius: var(--r-sm); color: var(--steel-700); position: relative;
}
.lang-select svg { width: 16px; height: 16px; flex-shrink: 0; }
.lang-select select {
  appearance: none; -webkit-appearance: none; background: none; border: 0; outline: 0;
  font-family: var(--ff-mono); font-size: 12.5px; font-weight: 600; color: var(--ink); letter-spacing: .04em;
  padding-right: 14px; cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%236D7290' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right center; background-size: 13px;
}

.burger { display: none; width: 46px; height: 46px; border: 1px solid var(--line); border-radius: 8px; background: #fff; align-items: center; justify-content: center; }
.burger span { display:block; width: 19px; height: 2px; background: var(--ink); position: relative; }
.burger span::before, .burger span::after { content:""; position:absolute; left:0; width:19px; height:2px; background: var(--ink); }
.burger span::before { top: -6px; } .burger span::after { top: 6px; }

/* mobile menu */
.mobile-menu { position: fixed; inset: 0; z-index: 90; background: var(--ink); color: #fff; padding: 26px var(--pad); transform: translateX(100%); transition: transform .35s cubic-bezier(.16,1,.3,1); display: flex; flex-direction: column; overflow-y: auto; }
.mobile-menu.open { transform: none; }
.mobile-menu__top { display: flex; align-items: center; justify-content: space-between; }
.mobile-menu__close { width: 46px; height: 46px; border: 1px solid var(--line-dark-2); border-radius: 8px; background: none; color: #fff; font-size: 22px; }
.mobile-menu nav { display: flex; flex-direction: column; gap: 4px; margin-top: 40px; }
.mobile-menu nav a { font-size: 25px; font-weight: 700; letter-spacing: -.02em; padding: 12px 0; border-bottom: 1px solid var(--line-dark); }
.mobile-menu__actions { margin-top: 32px; display: grid; gap: 12px; }

/* ---------- Hero ---------- */
.hero { position: relative; min-height: 100svh; display: flex; align-items: flex-end; color: #fff; overflow: hidden; background: var(--ink); }
.hero__media { position: absolute; inset: 0; z-index: 0; }
.hero__media img { width: 100%; height: 100%; object-fit: cover; }
.hero__scrim { position: absolute; inset: 0; z-index: 1;
  background:
    linear-gradient(180deg, rgba(10,10,18,.60) 0%, rgba(16,18,42,.30) 30%, rgba(16,18,42,.65) 62%, rgba(10,10,18,.95) 100%),
    linear-gradient(100deg, rgba(28,25,102,.75) 0%, rgba(10,10,18,.15) 55%);
}
/* diagonal black accent cut, echoing the brand's print material */
.hero__wedge { position: absolute; z-index: 2; top: 0; right: 0; width: 46%; height: 100%;
  background: linear-gradient(200deg, rgba(10,10,18,.0) 0%, rgba(10,10,18,.55) 100%);
  clip-path: polygon(100% 0, 100% 100%, 38% 100%);
  pointer-events: none; }
.hero__inner { position: relative; z-index: 3; width: 100%; padding-bottom: clamp(36px, 6vw, 68px); padding-top: 120px; }

.hero__badge {
  display: inline-flex; align-items: center; gap: 11px; font-family: var(--ff-mono); font-size: clamp(13px,1.5vw,15.5px); font-weight: 700;
  letter-spacing: .1em; text-transform: uppercase; padding: 12px 20px; border-radius: 100px;
  background: rgba(47,91,255,.22); border: 1px solid rgba(143,176,255,.55); color: #fff; backdrop-filter: blur(6px);
  box-shadow: 0 0 0 0 rgba(47,91,255,.5);
}
.hero__badge::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--accent-300); flex-shrink: 0; }
@media (prefers-reduced-motion: no-preference) {
  .hero__badge { animation: badgeGlow 2.6s ease-in-out infinite; }
  .hero__badge::before { animation: badgeDot 2.6s ease-in-out infinite; }
}
@keyframes badgeGlow {
  0%, 100% { box-shadow: 0 0 0 0 rgba(47,91,255,.45); }
  50% { box-shadow: 0 0 0 8px rgba(47,91,255,0); }
}
@keyframes badgeDot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: .5; transform: scale(1.3); }
}
.hero h1 { font-size: clamp(38px, 6.6vw, 88px); margin-top: 24px; letter-spacing: -.03em; line-height: .98; max-width: 16ch; color: #fff; }
.hero h1 em { font-style: normal; color: var(--accent-300); }
.hero__quote { margin-top: 22px; font-size: clamp(16px,1.5vw,19px); color: #e7eaf9; max-width: 52ch; line-height: 1.65; font-style: italic; border-left: 3px solid var(--accent-300); padding-left: 18px; }
.hero__desc { margin-top: 18px; font-size: clamp(15.5px,1.3vw,17.5px); color: var(--steel-300); max-width: 60ch; line-height: 1.65; }
.hero__cta { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 32px; }

.hero__stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; margin-top: 48px;
  background: var(--line-dark); border: 1px solid var(--line-dark); border-radius: var(--r); overflow: hidden;
  backdrop-filter: blur(4px); }
.hstat { padding: 20px 22px; background: rgba(10,10,18,.42); }
.hstat__n { font-size: clamp(24px, 2.8vw, 36px); font-weight: 800; letter-spacing: -.03em; color: #fff; line-height: 1; }
.hstat__n sup { font-size: .4em; font-weight: 600; vertical-align: super; color: var(--accent-300); margin-left: 2px; }
.hstat__l { font-family: var(--ff-mono); font-size: 11px; letter-spacing: .1em; text-transform: uppercase; color: var(--steel-300); margin-top: 9px; }

/* ---------- Trust / legal strip ---------- */
.trust { background: var(--ink-2); color: #fff; border-block: 1px solid var(--line-dark); }
.trust__inner { display: flex; align-items: center; gap: clamp(20px,4vw,52px); padding-block: 26px; flex-wrap: wrap; }
.trust__label { font-family: var(--ff-mono); font-size: 12px; letter-spacing: .14em; text-transform: uppercase; color: var(--steel-500); flex: none; }
.trust__items { display: flex; flex-wrap: wrap; gap: clamp(14px,3vw,40px); align-items: center; }
.trust__item { display: flex; align-items: center; gap: 10px; color: var(--steel-200); font-size: 14.5px; font-weight: 500; }
.trust__item svg { width: 19px; height: 19px; color: var(--accent-300); flex: none; }

/* ---------- About stats ---------- */
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(32px,5vw,64px); margin-top: 48px; align-items: center; }
.about-copy p { font-size: 15.5px; color: var(--steel-700); line-height: 1.75; }
.about-stats { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.astat { padding: 24px; border: 1px solid var(--line); border-radius: var(--r); background: var(--paper); }
.astat__n { font-family: var(--ff-mono); font-size: clamp(26px,3vw,36px); font-weight: 700; color: var(--blue-600); letter-spacing: -.02em; }
.astat__l { font-size: 13.5px; color: var(--steel-700); margin-top: 6px; }

/* ---------- Business lines (editorial rows: image/icon + copy, à la Heidelberg's product teasers) ---------- */
.biz-list { display: flex; flex-direction: column; gap: clamp(40px,6vw,72px); margin-top: 52px; }
.biz-row { display: grid; grid-template-columns: 62% 1fr; gap: clamp(24px,4vw,56px); align-items: center; }
.biz-row--rev { grid-template-columns: 1fr 62%; }
.biz-row--rev .biz-row__media { order: 2; }
.biz-row--rev .biz-row__body { order: 1; }
.biz-row__media { aspect-ratio: 16/9; border-radius: var(--r-lg); overflow: hidden; background: var(--fog); }
.biz-row__media img { width: 100%; height: 100%; object-fit: cover; display: block; }
.biz-row__body { display: flex; flex-direction: column; align-items: flex-start; }
.biz-row__n { font-family: var(--ff-mono); font-size: 12.5px; font-weight: 600; color: var(--blue-600); }
.biz-row__body h3 { font-size: clamp(21px,2.2vw,27px); margin-top: 12px; letter-spacing: -.01em; }
.biz-row__body p { font-size: 15px; color: var(--steel-700); margin-top: 12px; line-height: 1.7; }
.biz-row__link {
  display: inline-flex; align-items: center; gap: 8px; margin-top: 20px;
  font-weight: 600; font-size: 14.5px; color: var(--blue-600); padding-bottom: 2px;
  border-bottom: 1.5px solid var(--blue-600); transition: gap .18s, color .18s;
}
.biz-row__link svg { width: 15px; height: 15px; }
.biz-row__link:hover { gap: 12px; color: var(--navy); border-color: var(--navy); }
.biz-row--featured .biz-row__media { box-shadow: var(--shadow-lg); }
.biz-row--featured .biz-row__n { color: var(--accent); }

/* ---------- Equipment ---------- */
.equip-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; margin-top: 52px; }
.equip-card { background: #fff; border: 1px solid var(--line); border-radius: var(--r-lg); overflow: hidden; transition: transform .25s ease, box-shadow .25s ease; }
.equip-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.equip-card__media { aspect-ratio: 4/3; background: var(--fog); overflow: hidden; }
.equip-card__media img { width: 100%; height: 100%; object-fit: cover; }
.equip-card__body { padding: 18px 18px 20px; }
.equip-card h3 { font-size: 16px; }
.equip-card__meta { margin-top: 10px; display: flex; flex-direction: column; gap: 4px; }
.equip-card__row { display: flex; justify-content: space-between; gap: 8px; font-size: 12.5px; }
.equip-card__row dt { font-family: var(--ff-mono); color: var(--steel-500); letter-spacing: .04em; }
.equip-card__row dd { margin: 0; font-weight: 600; color: var(--ink); text-align: right; }

/* ---------- Values ---------- */
.values-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; margin-top: 52px; }
.vm-card { padding: 32px; border-radius: var(--r-lg); background: var(--ink); color: #fff; }
.vm-card h3 { font-family: var(--ff-mono); font-size: 12.5px; letter-spacing: .12em; text-transform: uppercase; color: var(--accent-300); }
.vm-card p { margin-top: 14px; font-size: 15.5px; line-height: 1.7; color: var(--steel-300); }

.core-title { margin-top: 64px; font-size: 13px; font-family: var(--ff-mono); letter-spacing: .12em; text-transform: uppercase; color: var(--steel-500); }
.core-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 16px; margin-top: 20px; }
.core-item { padding: 22px 18px; border-radius: var(--r); background: var(--paper); border: 1px solid var(--line); text-align: center; }
.core-item h4 { font-size: 16px; color: var(--ink); }
.core-item p { margin-top: 8px; font-size: 13px; color: var(--steel-700); line-height: 1.55; }

/* ---------- Why choose us ---------- */
.why-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; margin-top: 52px; background: var(--line); border: 1px solid var(--line); border-radius: var(--r-lg); overflow: hidden; }
.why-item { background: #fff; padding: 30px 26px 34px; transition: background .2s; }
.why-item:hover { background: var(--paper); }
.why-item__n { display: inline-flex; align-items: center; justify-content: center; width: 40px; height: 40px; border-radius: 10px; background: linear-gradient(150deg, var(--blue-600) 0%, var(--navy) 130%); color: #fff; font-family: var(--ff-mono); font-weight: 700; font-size: 15px; }
.why-item h3 { font-size: 17.5px; margin-top: 20px; letter-spacing: -.01em; }
.why-item p { font-size: 14px; color: var(--steel-700); margin-top: 9px; line-height: 1.6; }

/* ---------- Projects ---------- */
.proj-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; margin-top: 52px; }
.proj-card { background: #fff; border: 1px solid var(--line); border-radius: var(--r-lg); overflow: hidden; display: flex; flex-direction: column; transition: transform .25s ease, box-shadow .25s ease; }
.proj-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-lg); }
.proj-card__media { aspect-ratio: 4/3; background: var(--fog); overflow: hidden; }
.proj-card__media img { width: 100%; height: 100%; object-fit: cover; }
.proj-card__body { padding: 22px 22px 26px; display: flex; flex-direction: column; flex: 1; }
.proj-card h3 { font-size: 18.5px; line-height: 1.3; }
.proj-card__rows { margin-top: 16px; display: flex; flex-direction: column; gap: 9px; }
.proj-card__row { display: grid; grid-template-columns: 88px 1fr; gap: 10px; font-size: 13px; }
.proj-card__row dt { font-family: var(--ff-mono); color: var(--steel-500); font-size: 10.5px; letter-spacing: .06em; text-transform: uppercase; padding-top: 2px; }
.proj-card__row dd { margin: 0; color: var(--steel-900); font-weight: 500; line-height: 1.4; }
.proj-card__row dd.hl { color: var(--blue-600); font-weight: 700; font-family: var(--ff-mono); }
.proj-card__link { margin-top: auto; padding-top: 16px; }

/* ---------- Capability (A/B/C) ---------- */
.cap-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; margin-top: 48px; }
.cap-card { background: var(--paper); border: 1px solid var(--line); border-radius: var(--r-lg); padding: 28px 26px 30px; }
.cap-card h3 { font-size: 18px; }
.cap-card p { margin-top: 12px; font-size: 14px; color: var(--steel-700); line-height: 1.7; }
.cap-card__services { margin-top: 18px; padding-top: 16px; border-top: 1px solid var(--line); }
.cap-card__services-label { font-family: var(--ff-mono); font-size: 11px; font-weight: 600; letter-spacing: .08em; text-transform: uppercase; color: var(--blue-600); }
.cap-card__services ul { list-style: none; margin: 10px 0 0; padding: 0; display: flex; flex-direction: column; gap: 7px; }
.cap-card__services li { font-size: 13.5px; color: var(--steel-900); padding-left: 16px; position: relative; }
.cap-card__services li::before { content: ""; position: absolute; left: 0; top: 8px; width: 6px; height: 6px; border-radius: 50%; background: var(--accent); }

/* ---------- Other projects ---------- */
.other-proj-list { margin-top: 48px; display: grid; grid-template-columns: 1fr 1fr; gap: 0 40px; }
.oproj-row { display: flex; align-items: baseline; gap: 14px; padding: 14px 0; border-bottom: 1px solid var(--line); }
.oproj-row__n { font-family: var(--ff-mono); font-size: 12px; color: var(--steel-300); font-weight: 600; flex-shrink: 0; }
.oproj-row__body { display: flex; flex-direction: column; gap: 2px; min-width: 0; }
.oproj-row__name { font-size: 14.5px; font-weight: 600; color: var(--ink); }
.oproj-row__investor { font-size: 12.5px; color: var(--steel-500); }

/* ---------- Partners ---------- */
.partners-wall { margin-top: 44px; background: #fff; border: 1px solid var(--line); border-radius: var(--r-lg); padding: clamp(16px,3vw,32px); }
.partners-wall img { width: 100%; height: auto; border-radius: var(--r); }

/* ---------- Location map ---------- */
.map-card { position: relative; border-radius: var(--r-lg); overflow: hidden; border: 1px solid var(--line); box-shadow: var(--shadow-md); background: var(--fog); }
.map-card--wide { margin-top: 44px; min-height: 420px; }
.map-card iframe { display: block; width: 100%; height: 420px; border: 0; filter: grayscale(.2) contrast(1.02); }
.map-card__tag { position: absolute; top: 16px; left: 16px; z-index: 2; display: flex; align-items: center; gap: 9px; background: rgba(255,255,255,.95); backdrop-filter: blur(6px); padding: 10px 14px; border-radius: 8px; box-shadow: var(--shadow-sm); font-size: 13.5px; font-weight: 600; color: var(--ink); }
.map-card__tag svg { width: 17px; height: 17px; color: var(--accent); }
.map-card__open { position: absolute; bottom: 16px; right: 16px; z-index: 2; }

/* ---------- Thanks banner ---------- */
.thanks { background: linear-gradient(135deg, var(--navy) 0%, var(--ink) 100%); color: #fff; text-align: center; }
.thanks__inner { max-width: 68ch; margin: 0 auto; }
.thanks h2 { font-size: clamp(26px,3.4vw,38px); color: #fff; }
.thanks p { margin-top: 20px; font-size: 15.5px; line-height: 1.75; color: #fff; }

/* ---------- Contact (banner + info grid, à la Heidelberg's "We're here to help") ---------- */
.contact { background: #fff; }
.contact-banner { display: grid; grid-template-columns: 1fr 1.1fr; min-height: clamp(280px, 32vw, 420px); }
.contact-banner__panel {
  background: linear-gradient(135deg, var(--navy) 0%, var(--blue-600) 100%);
  border-radius: var(--r-lg) 0 0 var(--r-lg);
  padding: clamp(28px,4vw,56px); display: flex; flex-direction: column; justify-content: center;
}
.contact-banner__panel h2 { color: #fff; font-size: clamp(28px,3vw,42px); margin-top: 18px; letter-spacing: -.02em; line-height: 1.08; }
.contact-banner__panel p { margin-top: 16px; font-size: 15px; color: var(--steel-300); max-width: 42ch; line-height: 1.65; }
.contact-banner__media { border-radius: 0 var(--r-lg) var(--r-lg) 0; overflow: hidden; }
.contact-banner__media img { width: 100%; height: 100%; object-fit: cover; display: block; }

.contact-grid { margin-top: 52px; display: grid; grid-template-columns: 1fr 1fr 1fr 1.2fr; gap: 28px; align-items: stretch; }
.contact-col h4 { font-family: var(--ff-mono); font-size: 12px; font-weight: 600; letter-spacing: .08em; text-transform: uppercase; color: var(--blue-600); }
.contact-col p { margin-top: 12px; font-size: 15px; color: var(--steel-700); line-height: 1.6; }
.contact-col a:not(.contact-col__link) { display: block; margin-top: 10px; font-size: 19px; font-weight: 700; color: var(--ink); letter-spacing: -.01em; text-decoration: underline; text-decoration-color: var(--line); text-underline-offset: 4px; overflow-wrap: anywhere; }
.contact-col a:not(.contact-col__link):hover { text-decoration-color: var(--blue-600); }
.contact-col__sub { display: block; margin-top: 18px; font-size: 12.5px; color: var(--steel-500); }
.contact-col--cta {
  background: linear-gradient(135deg, var(--navy) 0%, var(--blue-600) 100%);
  border-radius: var(--r-lg); padding: 28px 26px; display: flex; flex-direction: column;
}
.contact-col--cta h4 { color: var(--accent-300); }
.contact-col--cta p { color: rgba(255,255,255,.85); flex: 1; }
.contact-col__link {
  display: inline-flex; align-items: center; gap: 8px; margin-top: 20px; font-weight: 700; font-size: 15px; color: #fff;
}
.contact-col__link svg { width: 17px; height: 17px; transition: transform .18s; }
.contact-col__link:hover svg { transform: translateX(4px); }

/* ---------- Footer ---------- */
.footer { background: linear-gradient(135deg, var(--navy) 0%, var(--ink) 100%); color: var(--steel-300); }
.footer__inner { padding-block: 44px 26px; }

.footer__brand-row {
  display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 18px;
  padding-bottom: 32px; border-bottom: 1px solid var(--line-dark-2);
}
.footer__brand-addr { display: flex; align-items: center; gap: 10px; font-size: 15px; color: #fff; font-weight: 500; }
.footer__brand-addr svg { width: 19px; height: 19px; flex-shrink: 0; color: var(--accent-300); }

.footer__offices { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; padding-block: 36px; border-bottom: 1px solid var(--line-dark-2); }
.footer__office h4 { color: #fff; font-size: 17px; font-weight: 700; letter-spacing: -.01em; margin-bottom: 18px; }
.footer__office-row { display: flex; align-items: flex-start; gap: 12px; padding: 7px 0; font-size: 14.5px; color: var(--steel-300); transition: color .15s; }
.footer__office-row svg { width: 17px; height: 17px; flex-shrink: 0; margin-top: 1px; color: var(--accent-300); }
a.footer__office-row:hover { color: #fff; }

.footer__bottom { display: flex; justify-content: space-between; align-items: center; gap: 18px; padding-top: 22px; font-size: 13px; color: var(--steel-500); flex-wrap: wrap; }

/* ---------- Floating mobile call bar ---------- */
.call-bar { position: fixed; left: 0; right: 0; bottom: 0; z-index: 70; display: none; gap: 10px; padding: 12px var(--pad) calc(12px + env(safe-area-inset-bottom)); background: rgba(255,255,255,.92); backdrop-filter: blur(14px); border-top: 1px solid var(--line); }
.call-bar .btn { flex: 1; height: 50px; }

/* ---------- Reveal ---------- */
@media (prefers-reduced-motion: no-preference) {
  [data-reveal] { opacity: 0; transform: translateY(24px); transition: opacity .7s cubic-bezier(.16,1,.3,1), transform .7s cubic-bezier(.16,1,.3,1); }
  [data-reveal].in { opacity: 1; transform: none; }
}

/* ---------- Responsive ---------- */
@media (max-width: 860px) {
  .nav__links { display: none; }
  .burger { display: inline-flex; }
}
@media (min-width: 861px) and (max-width: 1060px) {
  .nav__links a { font-size: 12.5px; padding: 8px 6px; }
  .nav__profile-link span { display: none; }
}
@media (max-width: 1080px) {
  .shead--split { grid-template-columns: 1fr; gap: 20px; }
  .about-grid { grid-template-columns: 1fr; }
  .biz-row, .biz-row--rev { grid-template-columns: 1fr; gap: 22px; }
  .biz-row--rev .biz-row__media, .biz-row__media { order: 1; }
  .biz-row--rev .biz-row__body, .biz-row__body { order: 2; }
  .equip-grid { grid-template-columns: repeat(3, 1fr); }
  .values-grid { grid-template-columns: 1fr; }
  .core-grid { grid-template-columns: repeat(3, 1fr); }
  .why-grid { grid-template-columns: 1fr 1fr; }
  .proj-grid { grid-template-columns: 1fr 1fr; }
  .cap-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 720px) {
  body { font-size: 16px; }
  .hero__wedge { display: none; }
  .hero__stats { grid-template-columns: 1fr 1fr; }
  .equip-grid { grid-template-columns: 1fr 1fr; }
  .about-stats { grid-template-columns: 1fr 1fr; }
  .core-grid { grid-template-columns: 1fr 1fr; }
  .why-grid { grid-template-columns: 1fr; }
  .proj-grid { grid-template-columns: 1fr; }
  .other-proj-list { grid-template-columns: 1fr; }
  .contact-banner { grid-template-columns: 1fr; min-height: 0; }
  .contact-banner__panel { border-radius: var(--r-lg) var(--r-lg) 0 0; }
  .contact-banner__media { border-radius: 0 0 var(--r-lg) var(--r-lg); aspect-ratio: 4/3; }
  .contact-grid { grid-template-columns: 1fr; }
  .footer__brand-row { flex-direction: column; align-items: flex-start; }
  .footer__offices { grid-template-columns: 1fr; gap: 28px; }
  .call-bar { display: flex; }
}
@media (max-width: 460px) {
  .equip-grid { grid-template-columns: 1fr; }
  .core-grid { grid-template-columns: 1fr; }
  .about-stats { grid-template-columns: 1fr; }
  .map-card iframe { height: 320px; }
}