/* ==========================================================================
   SEVEN HANDS Digital — design system
   Engineering intelligence visual language. Mobile-first.
   ========================================================================== */

/* 1. TOKENS ------------------------------------------------------------- */
:root {
  /* brand */
  --sh-deep: #04121f;
  --sh-deep-2: #061d31;
  --sh-navy-900: #062b47;
  --sh-navy: #094878;
  --sh-navy-600: #0e5d96;
  --sh-cyan: #13b7cd;
  --sh-cyan-300: #56d9e8;
  --sh-ink: #0a1b28;
  --slate: #51616f;
  --cloud: #f2f5f7;
  --white: #ffffff;
  --line: #dbe3e9;
  --line-dark: rgba(140, 190, 214, 0.16);
  --dark-text: #e8f1f6;
  --dark-text-2: rgba(213, 231, 240, 0.66);

  /* type */
  --font-display: 'Space Grotesk', 'Inter', system-ui, sans-serif;
  --font-body: 'Inter', system-ui, -apple-system, 'Segoe UI', sans-serif;
  --font-mono: 'IBM Plex Mono', ui-monospace, 'SF Mono', Menlo, monospace;

  --fs-display: clamp(2.35rem, 5.6vw, 4.6rem);
  --fs-h2: clamp(1.65rem, 3.2vw, 2.7rem);
  --fs-h3: clamp(1.2rem, 1.8vw, 1.55rem);
  --fs-lead: clamp(1rem, 1.35vw, 1.15rem);

  /* layout */
  --wrap: 1360px;
  --gutter: clamp(18px, 4vw, 44px);
  --sec: clamp(4.2rem, 9vw, 7.5rem);

  /* details */
  --r-sm: 4px;
  --r-md: 10px;
  --ease: cubic-bezier(0.22, 0.61, 0.21, 1);
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --dur: 0.45s;
  --header-h: 68px;
}

/* 2. RESET -------------------------------------------------------------- */
*,
*::before,
*::after { box-sizing: border-box; }

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.65;
  color: var(--sh-ink);
  background: var(--cloud);
  overflow-x: hidden;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

img, svg, video, iframe { max-width: 100%; height: auto; display: block; }
img { font-style: italic; background: rgba(10, 27, 40, 0.05); }

h1, h2, h3, h4, h5 {
  font-family: var(--font-display);
  line-height: 1.1;
  margin: 0 0 0.55em;
  font-weight: 600;
  letter-spacing: -0.01em;
}

p { margin: 0 0 1em; }
ul, ol { margin: 0; padding: 0; list-style: none; }

a { color: inherit; text-decoration: none; }
a:hover { color: var(--sh-cyan); transition: color 0.2s var(--ease); }

button {
  font: inherit;
  color: inherit;
  background: none;
  border: 0;
  cursor: pointer;
  padding: 0;
}

input, select, textarea { font: inherit; color: inherit; }

::selection { background: var(--sh-cyan); color: var(--sh-deep); }

:focus-visible {
  outline: 2px solid var(--sh-cyan);
  outline-offset: 3px;
  border-radius: 2px;
}

.screen-reader-text,
.sh-hp {
  position: absolute !important;
  width: 1px; height: 1px;
  margin: -1px; padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: fixed;
  top: 8px; left: 8px;
  z-index: 999;
  background: var(--sh-deep);
  color: #fff;
  padding: 10px 16px;
  border-radius: var(--r-sm);
  transform: translateY(-200%);
  transition: transform 0.2s;
}
.skip-link:focus { transform: none; color: #fff; }

.sh-mono {
  font-family: var(--font-mono);
  letter-spacing: 0.08em;
}

/* 3. LAYOUT UTILITIES ---------------------------------------------------- */
.wrap {
  width: 100%;
  max-width: var(--wrap);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.section { padding-block: var(--sec); }
.section--tight { padding-block: calc(var(--sec) * 0.6); }
.section--dark { background: var(--sh-deep-2); color: var(--dark-text); }
.section--deep {
  background:
    radial-gradient(120% 90% at 85% 0%, rgba(19, 183, 205, 0.07), transparent 55%),
    linear-gradient(180deg, var(--sh-deep) 0%, var(--sh-deep-2) 100%);
  color: var(--dark-text);
}

.section__head { max-width: 880px; margin-bottom: clamp(2.2rem, 4.5vw, 3.6rem); }
.section__head--split {
  max-width: none;
  display: grid;
  gap: 1.4rem;
  align-items: end;
}
.section__side { color: var(--slate); display: grid; gap: 1rem; justify-items: start; max-width: 460px; }
.section--dark .section__side, .section--deep .section__side { color: var(--dark-text-2); }
.section__title { font-size: var(--fs-h2); font-weight: 600; max-width: 21ch; }
.section__title--sm { font-size: clamp(1.35rem, 2.2vw, 1.8rem); }
.section__lead { font-size: var(--fs-lead); color: var(--slate); max-width: 62ch; margin: 0; }
.section--dark .section__lead, .section--deep .section__lead { color: var(--dark-text-2); }

.sh-kicker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.22em;
  color: var(--sh-navy);
  margin: 0 0 1.1rem;
  text-transform: uppercase;
}
.sh-kicker--light { color: var(--sh-cyan-300); }
.sh-kicker__dot {
  width: 7px; height: 7px;
  background: currentColor;
  transform: rotate(45deg);
  flex: none;
}

/* 4. BUTTONS & LINKS ------------------------------------------------------ */
.sh-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 13px 22px;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  border-radius: var(--r-sm);
  border: 1px solid transparent;
  transition: transform 0.25s var(--ease), background 0.25s var(--ease), color 0.25s var(--ease), border-color 0.25s var(--ease), box-shadow 0.25s var(--ease);
  position: relative;
  isolation: isolate;
}
.sh-btn svg { transition: transform 0.25s var(--ease); }
.sh-btn:hover svg { transform: translate(2px, -2px); }
.sh-btn--solid {
  background: linear-gradient(135deg, var(--sh-cyan) 0%, #0ea2b8 100%);
  color: var(--sh-deep);
  font-weight: 600;
}
.sh-btn--solid:hover { color: var(--sh-deep); box-shadow: 0 10px 30px -10px rgba(19, 183, 205, 0.55); transform: translateY(-1px); }
.sh-btn--light {
  background: var(--white);
  color: var(--sh-ink);
  font-weight: 600;
}
.sh-btn--light:hover { color: var(--sh-navy); transform: translateY(-1px); }
.sh-btn--outline { border-color: var(--sh-navy); color: var(--sh-navy); }
.sh-btn--outline:hover { background: var(--sh-navy); color: #fff; }
.sh-btn--ghost { border-color: rgba(255, 255, 255, 0.32); color: #fff; }
.sh-btn--ghost:hover { border-color: var(--sh-cyan); color: var(--sh-cyan-300); }
.sh-btn--sm { padding: 10px 16px; font-size: 0.68rem; }
.sh-btn--lg { padding: 16px 30px; font-size: 0.8rem; }
.section--dark .sh-btn--outline, .section--deep .sh-btn--outline { border-color: rgba(255,255,255,.3); color: #fff; }
.section--dark .sh-btn--outline:hover, .section--deep .sh-btn--outline:hover { background: rgba(19,183,205,.14); border-color: var(--sh-cyan); color: var(--sh-cyan-300); }

.sh-textlink {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--sh-navy);
  position: relative;
}
.sh-textlink::after {
  content: '';
  position: absolute;
  left: 0; bottom: -4px;
  width: 100%; height: 1px;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s var(--ease);
}
.sh-textlink:hover::after { transform: scaleX(1); }
.sh-textlink svg { transition: transform 0.25s var(--ease); }
.sh-textlink:hover svg { transform: translateX(3px); }
.sh-textlink--light { color: #fff; }

.sh-chip {
  display: inline-flex;
  align-items: center;
  padding: 6px 12px;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  border: 1px solid var(--line);
  border-radius: 100px;
  color: var(--slate);
  background: var(--white);
  transition: border-color 0.2s, color 0.2s, background 0.2s;
}
.sh-chip:hover { border-color: var(--sh-cyan); color: var(--sh-navy); }
.sh-chip--sm { padding: 4px 9px; font-size: 0.6rem; }
.sh-chip.is-active { background: var(--sh-navy); border-color: var(--sh-navy); color: #fff; }

.sh-flip { transform: scaleX(-1); }

/* 5. HEADER ---------------------------------------------------------------- */
.sh-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 90;
  transition: background 0.35s var(--ease), box-shadow 0.35s var(--ease), backdrop-filter 0.35s;
  color: #fff;
}
.sh-header::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(4, 18, 31, 0.82), rgba(4, 18, 31, 0));
  opacity: 1;
  transition: opacity 0.35s var(--ease);
  pointer-events: none;
}
.sh-header.is-solid::before { opacity: 0; background: transparent; }
.sh-header.is-stuck { background: rgba(4, 18, 31, 0.9); backdrop-filter: blur(14px); box-shadow: 0 1px 0 var(--line-dark); }
.sh-header.is-stuck::before { opacity: 0; }

.sh-header__inner {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  height: var(--header-h);
  max-width: var(--wrap);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.sh-brand { display: inline-flex; align-items: center; gap: 12px; }
.sh-brand__img { width: 40px; height: 40px; object-fit: contain; background: none; }
.sh-brand__img--cyan { display: none; }
.sh-brand__text { display: flex; flex-direction: column; line-height: 1.15; }
.sh-brand__name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.95rem;
  letter-spacing: 0.14em;
}
.sh-brand__tag {
  font-family: var(--font-mono);
  font-size: 0.55rem;
  letter-spacing: 0.3em;
  color: var(--sh-cyan-300);
}

.sh-nav { display: none; }
.sh-nav__list { display: flex; align-items: center; gap: 4px; }
.sh-nav-item > a {
  display: inline-block;
  padding: 10px 15px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  color: rgba(255, 255, 255, 0.85);
  position: relative;
}
.sh-nav-item > a > span { position: relative; z-index: 1; }
.sh-nav-item > a::after {
  content: '';
  position: absolute;
  left: 15px; right: 15px; bottom: 5px;
  height: 1px;
  background: var(--sh-cyan);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s var(--ease);
}
.sh-nav-item:hover > a, .sh-nav-item.is-active > a { color: #fff; }
.sh-nav-item:hover > a::after, .sh-nav-item.is-active > a::after { transform: scaleX(1); }

.sh-header__actions { display: flex; align-items: center; gap: 12px; }
.sh-header__actions .sh-btn { display: none; }

.sh-burger {
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px; height: 44px;
  align-items: center;
  border: 1px solid rgba(255, 255, 255, 0.25);
  border-radius: var(--r-sm);
}
.sh-burger span {
  display: block;
  width: 18px; height: 2px;
  background: #fff;
  transition: transform 0.3s var(--ease), opacity 0.3s;
}

/* mega menu */
.sh-mega {
  position: absolute;
  top: 100%;
  left: 0; right: 0;
  background: rgba(4, 18, 31, 0.97);
  backdrop-filter: blur(18px);
  border-top: 1px solid var(--line-dark);
  border-bottom: 1px solid var(--line-dark);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: opacity 0.28s var(--ease), transform 0.28s var(--ease), visibility 0.28s;
  pointer-events: none;
}
.sh-nav-item.has-mega:hover ~ .sh-mega[data-mega-panel="services"],
.sh-header:has(.sh-nav-item.has-mega[data-mega="services"]:hover) .sh-mega[data-mega-panel="services"],
.sh-header:has(.sh-nav-item.has-mega[data-mega="projects"]:hover) .sh-mega[data-mega-panel="projects"],
.sh-mega:focus-within {
  opacity: 1;
  visibility: visible;
  transform: none;
  pointer-events: auto;
}
.sh-header:has(.sh-mega:hover) .sh-mega { opacity: 1; visibility: visible; transform: none; pointer-events: auto; }
.sh-mega__inner {
  max-width: var(--wrap);
  margin-inline: auto;
  padding: 30px var(--gutter) 34px;
  display: grid;
  grid-template-columns: 1.6fr 1fr;
  gap: 40px;
}
.sh-mega__label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.26em;
  color: var(--sh-cyan-300);
  margin-bottom: 14px;
}
.sh-mega__col--list ul { display: grid; gap: 2px; columns: 2; column-gap: 30px; }
.sh-mega__col--list a {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  border-radius: var(--r-sm);
  color: var(--dark-text);
  font-size: 0.9rem;
  font-weight: 500;
  break-inside: avoid;
  transition: background 0.2s, color 0.2s;
}
.sh-mega__col--list a:hover { background: rgba(19, 183, 205, 0.1); color: var(--sh-cyan-300); }
.sh-mega__num { font-family: var(--font-mono); font-size: 0.62rem; color: var(--sh-cyan); width: 20px; }
.sh-mega__arr { margin-left: auto; opacity: 0; transform: translateX(-4px); transition: 0.25s var(--ease); }
.sh-mega__col--list a:hover .sh-mega__arr { opacity: 1; transform: none; }
.sh-mega__col--aside { display: grid; gap: 4px; align-content: start; border-left: 1px solid var(--line-dark); padding-left: 40px; }
.sh-mega__chips { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 18px; }
.sh-mega__chips a {
  padding: 6px 12px;
  border: 1px solid var(--line-dark);
  border-radius: 100px;
  font-size: 0.72rem;
  color: var(--dark-text-2);
  transition: 0.2s;
}
.sh-mega__chips a:hover { border-color: var(--sh-cyan); color: var(--sh-cyan-300); }
.sh-mega__res {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 0;
  color: var(--dark-text);
  font-size: 0.85rem;
  border-bottom: 1px solid var(--line-dark);
}
.sh-mega__res:hover { color: var(--sh-cyan-300); }
.sh-mega__foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-top: 14px;
  padding: 13px 16px;
  background: rgba(19, 183, 205, 0.1);
  border: 1px solid rgba(19, 183, 205, 0.25);
  border-radius: var(--r-sm);
  color: var(--sh-cyan-300);
  font-size: 0.8rem;
  transition: 0.25s var(--ease);
}
.sh-mega__foot:hover { background: rgba(19, 183, 205, 0.18); }

/* scroll progress */
.sh-progress {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: 2px;
  z-index: 95;
  pointer-events: none;
}
.sh-progress span {
  display: block;
  height: 100%;
  width: 100%;
  background: linear-gradient(90deg, var(--sh-cyan), var(--sh-cyan-300));
  transform: scaleX(0);
  transform-origin: left;
}

/* drawer (mobile) */
.sh-drawer {
  position: fixed;
  inset: 0;
  z-index: 120;
  background: rgba(4, 18, 31, 0.98);
  color: var(--dark-text);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.35s var(--ease), visibility 0.35s;
}
.sh-drawer.is-open { opacity: 1; visibility: visible; }
.sh-drawer__scroll {
  height: 100%;
  overflow-y: auto;
  padding: 18px var(--gutter) 40px;
  display: flex;
  flex-direction: column;
}
.sh-drawer__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line-dark);
}
.sh-drawer__label { font-family: var(--font-mono); font-size: 0.62rem; letter-spacing: 0.3em; color: var(--sh-cyan-300); }
.sh-drawer__close { width: 44px; height: 44px; display: grid; place-items: center; border: 1px solid var(--line-dark); border-radius: var(--r-sm); color: #fff; }
.sh-drawer__list { display: grid; margin-top: 10px; }
.sh-drawer__list a, .sh-drawer__toggle {
  display: flex;
  align-items: center;
  gap: 16px;
  width: 100%;
  padding: 16px 4px;
  border-bottom: 1px solid var(--line-dark);
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 5.5vw, 1.8rem);
  font-weight: 600;
  color: #fff;
  text-align: left;
  transition: color 0.2s, padding-left 0.25s var(--ease);
}
.sh-drawer__list a:active, .sh-drawer__toggle:active { color: var(--sh-cyan-300); }
.sh-drawer__list em { font-family: var(--font-mono); font-style: normal; font-size: 0.68rem; color: var(--sh-cyan); width: 26px; }
.sh-drawer__toggle svg { margin-left: auto; transition: transform 0.3s var(--ease); }
.sh-drawer__toggle[aria-expanded="true"] svg { transform: rotate(180deg); }
.sh-drawer__sub { display: none; padding: 6px 0 14px 42px; gap: 2px; }
.sh-drawer__toggle[aria-expanded="true"] + .sh-drawer__sub { display: grid; }
.sh-drawer__sub a {
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 400;
  padding: 8px 0;
  border: 0;
  color: var(--dark-text-2);
}
.sh-drawer__sub a:hover { color: var(--sh-cyan-300); }
.sh-drawer__meta { margin-top: auto; padding-top: 26px; display: grid; gap: 16px; }
.sh-drawer__contacts { display: grid; gap: 6px; font-family: var(--font-mono); font-size: 0.78rem; color: var(--dark-text-2); }

/* mobile action bar */
.sh-mobilebar {
  position: fixed;
  bottom: 0; left: 0; right: 0;
  z-index: 80;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  background: rgba(4, 18, 31, 0.96);
  backdrop-filter: blur(14px);
  border-top: 1px solid var(--line-dark);
  padding-bottom: env(safe-area-inset-bottom);
}
.sh-mobilebar a, .sh-mobilebar button {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  padding: 10px 4px 9px;
  color: rgba(255, 255, 255, 0.82);
  font-family: var(--font-mono);
  font-size: 0.58rem;
  letter-spacing: 0.14em;
}
.sh-mobilebar a:hover, .sh-mobilebar button:hover { color: #fff; }
.sh-mobilebar__cta { color: var(--sh-cyan-300) !important; }

body { --mobilebar-h: 0px; }
@media (max-width: 899px) {
  body { --mobilebar-h: 58px; padding-bottom: 58px; }
  .sh-hero__ui { bottom: calc(22px + var(--mobilebar-h)); }
  .sh-hero__content { padding-bottom: calc(84px + var(--mobilebar-h)); }
}

/* 6. HERO CINEMA ------------------------------------------------------------ */
.sh-hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  background: var(--sh-deep);
  color: #fff;
  overflow: hidden;
  isolation: isolate;
}
.sh-hero__grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(19, 183, 205, 0.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(19, 183, 205, 0.055) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: radial-gradient(85% 75% at 60% 40%, #000 20%, transparent 100%);
  pointer-events: none;
  z-index: 3;
}
.sh-hero__slides { position: absolute; inset: 0; }
.sh-hero__slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.9s var(--ease), visibility 0.9s;
}
.sh-hero__slide.is-active { opacity: 1; visibility: visible; z-index: 2; }
.sh-hero__media { position: absolute; inset: 0; overflow: hidden; }
.sh-hero__media img {
  width: 100%; height: 100%;
  object-fit: cover;
  transform: scale(1.08);
  transition: transform 6.5s linear;
  will-change: transform;
}
.sh-hero__slide.is-active .sh-hero__media img { transform: scale(1); }
.sh-hero__slide.is-leaving .sh-hero__media img { transform: scale(1.04); }
.sh-hero__shade {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(4, 18, 31, 0.62) 0%, rgba(4, 18, 31, 0.18) 32%, rgba(4, 18, 31, 0.28) 58%, rgba(4, 18, 31, 0.9) 100%),
    linear-gradient(100deg, rgba(4, 18, 31, 0.75) 0%, rgba(4, 18, 31, 0.18) 55%);
}

.sh-hero__content {
  position: relative;
  z-index: 4;
  width: 100%;
  max-width: var(--wrap);
  margin-inline: auto;
  padding: calc(var(--header-h) + 42px) var(--gutter) clamp(84px, 12vh, 110px);
}
.sh-hero__title {
  font-size: var(--fs-display);
  font-weight: 700;
  letter-spacing: -0.015em;
  max-width: 13ch;
  margin: 0 0 1.1rem;
  text-wrap: balance;
}
.sh-hero__title-line { display: inline-block; }
.sh-hero__meta {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--line-dark);
  border: 1px solid var(--line-dark);
  max-width: 640px;
  margin-bottom: 1.6rem;
  backdrop-filter: blur(6px);
}
.sh-hero__meta-item {
  background: rgba(4, 18, 31, 0.55);
  padding: 12px 16px;
  display: grid;
  gap: 3px;
}
.sh-hero__meta-label {
  font-family: var(--font-mono);
  font-size: 0.56rem;
  letter-spacing: 0.26em;
  color: var(--sh-cyan-300);
}
.sh-hero__meta-value { font-size: 0.86rem; font-weight: 600; letter-spacing: 0.02em; }
.sh-hero__meta-item--coords .sh-hero__meta-value { font-family: var(--font-mono); font-weight: 400; font-size: 0.78rem; color: var(--dark-text-2); }

.sh-hero__actions { display: flex; flex-wrap: wrap; gap: 12px; }

.sh-hero__ui {
  position: absolute;
  z-index: 5;
  right: var(--gutter);
  bottom: 26px;
  display: flex;
  align-items: center;
  gap: 18px;
}
.sh-hero__count { font-size: 0.78rem; color: rgba(255, 255, 255, 0.9); }
.sh-hero__count [data-hero-current] { color: var(--sh-cyan-300); }
.sh-hero__count-sep { opacity: 0.4; margin: 0 6px; }
.sh-hero__progress {
  width: clamp(70px, 12vw, 140px);
  height: 2px;
  background: rgba(255, 255, 255, 0.22);
  overflow: hidden;
  border-radius: 2px;
}
.sh-hero__progress span {
  display: block;
  height: 100%;
  width: 100%;
  background: var(--sh-cyan-300);
  transform: scaleX(0);
  transform-origin: left;
}
.sh-hero__progress.is-running span { animation: sh-progress var(--hero-dur, 6.5s) linear forwards; }
@keyframes sh-progress { from { transform: scaleX(0); } to { transform: scaleX(1); } }
.sh-hero__controls { display: flex; gap: 8px; }
.sh-hero__controls button {
  width: 46px; height: 46px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: var(--r-sm);
  color: #fff;
  background: rgba(4, 18, 31, 0.4);
  backdrop-filter: blur(6px);
  transition: 0.25s var(--ease);
}
.sh-hero__controls button:hover { border-color: var(--sh-cyan); background: rgba(19, 183, 205, 0.16); }

.sh-hero__scrollcue {
  position: absolute;
  z-index: 5;
  left: var(--gutter);
  bottom: 26px;
  display: none;
  align-items: center;
  gap: 10px;
  font-size: 0.62rem;
  color: rgba(255, 255, 255, 0.65);
}
.sh-hero__scrollcue svg { animation: sh-bounce 2s infinite var(--ease); }
@keyframes sh-bounce { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(5px); } }

/* hero reveal animation */
.js [data-hero-anim] {
  opacity: 0;
  transform: translateY(26px);
}
.sh-hero.is-in [data-hero-anim] {
  animation: sh-hero-in 0.85s var(--ease-out) forwards;
}
.sh-hero.is-in [data-hero-anim]:nth-of-type(1) { animation-delay: 0.1s; }
.sh-hero.is-in .sh-kicker[data-hero-anim] { animation-delay: 0.05s; }
.sh-hero.is-in .sh-hero__title[data-hero-anim] { animation-delay: 0.16s; }
.sh-hero.is-in .sh-hero__meta[data-hero-anim] { animation-delay: 0.3s; }
.sh-hero.is-in .sh-hero__actions[data-hero-anim] { animation-delay: 0.42s; }
@keyframes sh-hero-in { to { opacity: 1; transform: none; } }

/* 7. TICKER ------------------------------------------------------------------ */
.sh-ticker {
  background: var(--sh-navy);
  color: rgba(255, 255, 255, 0.88);
  border-block: 1px solid rgba(255, 255, 255, 0.08);
  overflow: hidden;
  padding-block: 13px;
}
.sh-ticker__track { display: flex; width: max-content; animation: sh-ticker 42s linear infinite; }
.sh-ticker:hover .sh-ticker__track { animation-play-state: paused; }
.sh-ticker__group { display: flex; align-items: center; }
.sh-ticker__item {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.22em;
  padding-inline: 20px;
  white-space: nowrap;
}
.sh-ticker__sep {
  width: 6px; height: 6px;
  background: var(--sh-cyan);
  transform: rotate(45deg);
  opacity: 0.8;
}
@keyframes sh-ticker { to { transform: translateX(-50%); } }

/* 8. ENGINEERING INTELLIGENCE -------------------------------------------------- */
.sh-intel { background: var(--cloud); }
.sh-intel__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}
.sh-intel__card {
  position: relative;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  padding: 22px 20px 20px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  overflow: hidden;
  transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease), border-color 0.3s;
}
.sh-intel__card:hover { transform: translateY(-3px); box-shadow: 0 18px 44px -22px rgba(9, 72, 120, 0.28); border-color: rgba(19, 183, 205, 0.5); }
.sh-intel__card::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 46px; height: 3px;
  background: linear-gradient(90deg, var(--sh-cyan), transparent);
}
.sh-intel__card--accent {
  background: linear-gradient(160deg, var(--sh-navy-900), var(--sh-deep));
  color: #fff;
  border-color: var(--sh-navy-900);
}
.sh-intel__card--accent .sh-intel__note { color: var(--dark-text-2); }
.sh-intel__index {
  font-size: 0.58rem;
  letter-spacing: 0.28em;
  color: var(--sh-cyan);
  margin-bottom: 8px;
}
.sh-intel__value {
  font-family: var(--font-display);
  font-size: clamp(2.3rem, 4.5vw, 3.4rem);
  font-weight: 700;
  line-height: 1;
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.02em;
}
.sh-intel__value--small { font-size: clamp(1.5rem, 2.6vw, 2rem); }
.sh-intel__sup { font-size: 0.5em; color: var(--sh-cyan); }
.sh-intel__label {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.24em;
  color: var(--slate);
  margin-top: 2px;
}
.sh-intel__card--accent .sh-intel__label { color: var(--dark-text-2); }
.sh-intel__note { font-size: 0.82rem; color: var(--slate); margin: 8px 0 0; line-height: 1.5; }
.sh-intel__card--wide { grid-column: 1 / -1; }
.sh-intel__presence { display: grid; gap: 12px; margin-top: 4px; }
.sh-intel__presence-row {
  display: grid;
  grid-template-columns: 118px 1fr;
  gap: 12px;
  align-items: start;
}
.sh-intel__presence-country {
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.16em;
  color: var(--sh-navy);
  padding-top: 6px;
  font-weight: 500;
}
.sh-intel__presence-cities { display: flex; flex-wrap: wrap; gap: 6px; }
.sh-intel__card--cert .sh-intel__note { margin-bottom: 2px; }

/* 9. SERVICES EXPLORER -------------------------------------------------------- */
.sh-services { background: var(--sh-deep-2); color: var(--dark-text); }
.sh-services__layout { display: grid; gap: 22px; }
.sh-services__index { display: none; }
.sh-services__panels { position: relative; display: grid; }
.sh-services__panel {
  position: absolute;
  inset: 0;
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition: opacity 0.5s var(--ease), transform 0.5s var(--ease), visibility 0.5s;
}
.sh-services__panel.is-active { position: relative; opacity: 1; visibility: visible; transform: none; }
.sh-services__panel-media {
  position: relative;
  border-radius: var(--r-md);
  overflow: hidden;
  border: 1px solid var(--line-dark);
  aspect-ratio: 16 / 10;
  background: var(--sh-deep);
}
.sh-services__panel-media img { width: 100%; height: 100%; object-fit: cover; }
.sh-services__panel-glyph { height: 100%; display: grid; place-items: center; color: rgba(19, 183, 205, 0.5); background: linear-gradient(160deg, var(--sh-navy-900), var(--sh-deep)); }
.sh-services__panel-frame {
  position: absolute;
  inset: 14px;
  border: 1px solid rgba(19, 183, 205, 0.35);
  border-radius: var(--r-sm);
  pointer-events: none;
}
.sh-services__panel-frame::before, .sh-services__panel-frame::after {
  content: '';
  position: absolute;
  width: 14px; height: 14px;
  border-color: var(--sh-cyan);
  border-style: solid;
}
.sh-services__panel-frame::before { top: -1px; left: -1px; border-width: 2px 0 0 2px; }
.sh-services__panel-frame::after { bottom: -1px; right: -1px; border-width: 0 2px 2px 0; }
.sh-services__panel-body { padding-top: 20px; }
.sh-services__panel-tag { font-size: 0.64rem; color: var(--sh-cyan-300); margin-bottom: 10px; }
.sh-services__panel-title { font-size: var(--fs-h3); color: #fff; }
.sh-services__panel-desc { color: var(--dark-text-2); font-size: 0.95rem; max-width: 58ch; }
.sh-services__panel-list { display: grid; gap: 8px; margin: 14px 0 18px; }
.sh-services__panel-list li { display: flex; gap: 10px; align-items: flex-start; font-size: 0.86rem; color: var(--dark-text-2); }
.sh-services__panel-list svg { color: var(--sh-cyan); flex: none; margin-top: 4px; }
.sh-services__panel .sh-textlink { color: var(--sh-cyan-300); }

/* mobile rail cards */
.sh-services__rail { display: grid; gap: 12px; }
.sh-services__card {
  border: 1px solid var(--line-dark);
  border-radius: var(--r-md);
  background: rgba(255, 255, 255, 0.025);
  overflow: hidden;
}
.sh-services__card summary {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 17px 18px;
  cursor: pointer;
  list-style: none;
  color: #fff;
  font-weight: 600;
  font-size: 0.95rem;
}
.sh-services__card summary::-webkit-details-marker { display: none; }
.sh-services__card-num { font-size: 0.62rem; color: var(--sh-cyan); }
.sh-services__card-ic { color: var(--sh-cyan-300); flex: none; }
.sh-services__card-chev { margin-left: auto; color: var(--dark-text-2); transition: transform 0.3s var(--ease); }
.sh-services__card[open] .sh-services__card-chev { transform: rotate(180deg); }
.sh-services__card-body { padding: 0 18px 18px 50px; color: var(--dark-text-2); font-size: 0.88rem; }
.sh-services__card-body .sh-textlink { margin-top: 10px; color: var(--sh-cyan-300); }

/* 10. PROJECT GRID + CARDS ------------------------------------------------------ */
.sh-projects { background: var(--cloud); }
.sh-pgrid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}
.sh-pgrid--row { grid-template-columns: 1fr; }

.sh-pcard {
  display: flex;
  flex-direction: column;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  overflow: hidden;
  transition: transform 0.35s var(--ease), box-shadow 0.35s var(--ease), border-color 0.35s;
  position: relative;
}
.sh-pcard:hover {
  transform: translateY(-4px);
  box-shadow: 0 24px 54px -24px rgba(9, 72, 120, 0.35);
  border-color: rgba(19, 183, 205, 0.55);
  color: inherit;
}
.sh-pcard__media {
  position: relative;
  overflow: hidden;
  aspect-ratio: 880 / 560;
  background: var(--sh-navy-900);
}
.sh-pcard--featured .sh-pcard__media, .sh-pgrid__lead .sh-pcard__media { aspect-ratio: 1280 / 720; }
.sh-pcard__media img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.8s var(--ease);
  will-change: transform;
}
.sh-pcard:hover .sh-pcard__media img { transform: scale(1.05); }
.sh-pcard__media--empty { background: linear-gradient(155deg, var(--sh-navy-900), var(--sh-deep)); display: grid; }
.sh-pcard__pending { position: relative; display: grid; place-content: center; justify-items: center; gap: 10px; width: 100%; height: 100%; overflow: hidden; }
.sh-pcard__pending-grid {
  position: absolute; inset: 0;
  background-image: linear-gradient(rgba(19,183,205,.12) 1px, transparent 1px), linear-gradient(90deg, rgba(19,183,205,.12) 1px, transparent 1px);
  background-size: 34px 34px;
}
.sh-pcard__pending-mark {
  font-family: var(--font-display);
  font-size: 2.6rem;
  font-weight: 700;
  color: rgba(19, 183, 205, 0.55);
  letter-spacing: 0.06em;
}
.sh-pcard__pending-label { position: relative; font-size: 0.52rem; letter-spacing: 0.22em; color: rgba(213, 231, 240, 0.45); padding: 0 14px; text-align: center; }
.sh-pcard__frame i, .sh-pcard__frame::before, .sh-pcard__frame::after { position: absolute; pointer-events: none; }
.sh-pcard__frame { position: absolute; inset: 0; pointer-events: none; }
.sh-pcard__frame::before, .sh-pcard__frame::after {
  content: '';
  width: 16px; height: 16px;
  border-color: rgba(255, 255, 255, 0.9);
  border-style: solid;
  opacity: 0;
  transition: opacity 0.3s;
  z-index: 2;
}
.sh-pcard__frame::before { top: 10px; left: 10px; border-width: 2px 0 0 2px; }
.sh-pcard__frame::after { bottom: 10px; right: 10px; border-width: 0 2px 2px 0; }
.sh-pcard__frame i {
  inset: 10px;
  border: 1px solid rgba(19, 183, 205, 0.55);
  border-radius: 2px;
  opacity: 0;
  transition: opacity 0.3s;
}
.sh-pcard:hover .sh-pcard__frame::before,
.sh-pcard:hover .sh-pcard__frame::after,
.sh-pcard:hover .sh-pcard__frame i { opacity: 1; }
.sh-pcard__lod {
  position: absolute;
  top: 12px; right: 12px;
  z-index: 2;
  font-size: 0.6rem;
  letter-spacing: 0.14em;
  color: var(--sh-cyan-300);
  background: rgba(4, 18, 31, 0.72);
  backdrop-filter: blur(4px);
  border: 1px solid rgba(19, 183, 205, 0.4);
  padding: 5px 9px;
  border-radius: var(--r-sm);
}
.sh-pcard__hover {
  position: absolute;
  inset: 0;
  z-index: 1;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  gap: 10px;
  padding: 18px;
  background: linear-gradient(180deg, rgba(4, 18, 31, 0) 30%, rgba(4, 18, 31, 0.88) 100%);
  color: #fff;
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 0.35s var(--ease), transform 0.35s var(--ease);
}
.sh-pcard:hover .sh-pcard__hover { opacity: 1; transform: none; }
.sh-pcard__hover p { margin: 0; font-size: 0.84rem; color: var(--dark-text); max-width: 46ch; }
.sh-pcard__body { padding: 16px 18px 18px; display: grid; gap: 7px; }
.sh-pcard__top { display: flex; align-items: flex-start; justify-content: space-between; gap: 12px; }
.sh-pcard__title { font-size: 1.06rem; margin: 0; line-height: 1.25; }
.sh-pcard__arrow { color: var(--sh-cyan); transition: transform 0.3s var(--ease); flex: none; margin-top: 3px; }
.sh-pcard:hover .sh-pcard__arrow { transform: translate(2px, -2px); }
.sh-pcard__meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 0.62rem;
  color: var(--slate);
  margin: 0;
}
.sh-pcard__loc { color: var(--sh-navy); font-weight: 500; }
.sh-pcard__dot { width: 4px; height: 4px; background: var(--sh-cyan); border-radius: 50%; display: inline-block; flex: none; }
.sh-pcard__disc { font-size: 0.78rem; color: var(--slate); margin: 0; }
.section--dark .sh-pcard, .section--deep .sh-pcard { background: rgba(255, 255, 255, 0.03); border-color: var(--line-dark); }
.section--dark .sh-pcard__title, .section--deep .sh-pcard__title { color: #fff; }
.section--dark .sh-pcard__meta, .section--dark .sh-pcard__disc, .section--deep .sh-pcard__meta, .section--deep .sh-pcard__disc { color: var(--dark-text-2); }
.section--dark .sh-pcard__loc, .section--deep .sh-pcard__loc { color: var(--sh-cyan-300); }

/* 11. BIM PIPELINE ------------------------------------------------------------- */
.sh-bim__pipeline { position: relative; margin-bottom: clamp(2.6rem, 5vw, 4rem); }
.sh-bim__line {
  position: absolute;
  top: 34px; left: 0; right: 0;
  height: 1px;
  background: var(--line-dark);
  display: none;
}
.sh-bim__line span {
  display: block;
  height: 100%;
  width: 100%;
  background: linear-gradient(90deg, var(--sh-cyan), var(--sh-cyan-300));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 1.4s var(--ease-out);
}
.sh-bim__stages { display: grid; gap: 12px; counter-reset: stage; }
.sh-bim__stage {
  border: 1px solid var(--line-dark);
  border-radius: var(--r-md);
  background: rgba(255, 255, 255, 0.025);
  overflow: hidden;
  transition: border-color 0.3s, background 0.3s;
}
.sh-bim__stage.is-active { border-color: rgba(19, 183, 205, 0.5); background: rgba(19, 183, 205, 0.05); }
.sh-bim__stage-btn {
  display: flex;
  align-items: center;
  gap: 14px;
  width: 100%;
  padding: 16px 18px;
  text-align: left;
  color: var(--dark-text);
}
.sh-bim__stage-num { font-size: 0.66rem; color: var(--sh-cyan); }
.sh-bim__stage-node {
  width: 10px; height: 10px;
  border: 2px solid var(--sh-cyan);
  border-radius: 50%;
  flex: none;
  transition: background 0.3s;
  display: none;
}
.sh-bim__stage.is-active .sh-bim__stage-node { background: var(--sh-cyan); }
.sh-bim__stage-ic { color: var(--sh-cyan-300); flex: none; }
.sh-bim__stage-title { font-family: var(--font-display); font-weight: 600; font-size: 1rem; }
.sh-bim__stage-meta { margin-left: auto; font-size: 0.58rem; color: var(--dark-text-2); display: none; }
.sh-bim__stage-body {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 0.45s var(--ease);
}
.sh-bim__stage-body > p {
  overflow: hidden;
  margin: 0;
  font-size: 0.88rem;
  color: var(--dark-text-2);
}
.sh-bim__stage.is-active .sh-bim__stage-body { grid-template-rows: 1fr; }
.sh-bim__stage.is-active .sh-bim__stage-body > p { padding: 0 18px 18px 50px; }

.sh-bim__showcase {
  display: grid;
  gap: 22px;
  align-items: center;
}
.sh-bim__shot {
  position: relative;
  margin: 0;
  border-radius: var(--r-md);
  overflow: hidden;
  border: 1px solid var(--line-dark);
}
.sh-bim__shot img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; }
.sh-bim__shot figcaption {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  padding: 12px 16px;
  font-size: 0.6rem;
  color: #fff;
  background: linear-gradient(180deg, transparent, rgba(4, 18, 31, 0.9));
}
.sh-bim__facts { display: grid; gap: 16px; }
.sh-bim__fact { display: flex; gap: 16px; align-items: baseline; border-bottom: 1px solid var(--line-dark); padding-bottom: 14px; }
.sh-bim__fact-n {
  font-family: var(--font-display);
  font-size: 1.9rem;
  font-weight: 700;
  color: var(--sh-cyan-300);
  min-width: 64px;
}
.sh-bim__fact-l { color: var(--dark-text-2); font-size: 0.92rem; }

/* 12. RESOURCES ------------------------------------------------------------------ */
.sh-resources { background: var(--white); }
.sh-resources__grid { display: grid; gap: 16px; }
.sh-resources__card {
  position: relative;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  padding: 26px 22px;
  display: grid;
  gap: 12px;
  justify-items: start;
  background: var(--white);
  transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease);
  overflow: hidden;
}
.sh-resources__card:hover { transform: translateY(-3px); box-shadow: 0 20px 48px -24px rgba(9, 72, 120, 0.3); }
.sh-resources__num { font-size: 0.62rem; color: var(--sh-cyan); letter-spacing: 0.2em; }
.sh-resources__ic {
  width: 62px; height: 62px;
  display: grid;
  place-items: center;
  border-radius: var(--r-md);
  color: var(--sh-cyan);
  background: linear-gradient(160deg, rgba(19, 183, 205, 0.14), rgba(19, 183, 205, 0.04));
  border: 1px solid rgba(19, 183, 205, 0.3);
}
.sh-resources__title { font-size: 1.15rem; margin: 0; max-width: 24ch; }
.sh-resources__blurb { color: var(--slate); font-size: 0.9rem; margin: 0; }
.sh-resources__frame { position: absolute; inset: 0; pointer-events: none; }
.sh-resources__frame i { display: none; }
.sh-resources__frame::before, .sh-resources__frame::after {
  content: '';
  position: absolute;
  width: 18px; height: 18px;
  border-color: var(--sh-cyan);
  border-style: solid;
  opacity: 0;
  transition: opacity 0.3s;
}
.sh-resources__frame::before { top: 10px; left: 10px; border-width: 2px 0 0 2px; }
.sh-resources__frame::after { bottom: 10px; right: 10px; border-width: 0 2px 2px 0; }
.sh-resources__card:hover .sh-resources__frame::before, .sh-resources__card:hover .sh-resources__frame::after { opacity: 1; }

/* 13. TIMELINE --------------------------------------------------------------------- */
.sh-timeline { background: var(--white); }
.sh-timeline__track { position: relative; overflow: hidden; }
.sh-timeline__rail {
  position: absolute;
  left: 9px; right: 9px;
  top: 12px;
  height: 2px;
  background: var(--line);
  display: none;
}
.sh-timeline__list {
  display: grid;
  gap: 0;
  padding-left: 34px;
  position: relative;
}
.sh-timeline__list::before {
  content: '';
  position: absolute;
  left: 9px; top: 6px; bottom: 6px;
  width: 2px;
  background: linear-gradient(180deg, var(--sh-cyan), var(--line));
}
.sh-timeline__item { position: relative; padding: 0 0 30px; }
.sh-timeline__item:last-child { padding-bottom: 0; }
.sh-timeline__node {
  position: absolute;
  left: -32px; top: 5px;
  width: 12px; height: 12px;
  border-radius: 50%;
  background: var(--white);
  border: 3px solid var(--sh-cyan);
  box-shadow: 0 0 0 4px rgba(19, 183, 205, 0.15);
}
.sh-timeline__year {
  display: block;
  font-size: 0.7rem;
  color: var(--sh-cyan);
  margin-bottom: 4px;
}
.sh-timeline__tag {
  display: block;
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--sh-ink);
  margin-bottom: 6px;
}
.sh-timeline__text { color: var(--slate); font-size: 0.9rem; max-width: 44ch; margin: 0; }

/* 14. TEAM -------------------------------------------------------------------------- */
.sh-team { background: var(--sh-deep-2); color: var(--dark-text); }
.sh-team__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
}
.sh-tcard {
  border: 1px solid var(--line-dark);
  border-radius: var(--r-md);
  overflow: hidden;
  background: rgba(255, 255, 255, 0.025);
  transition: transform 0.3s var(--ease), border-color 0.3s;
}
.sh-tcard:hover { transform: translateY(-3px); border-color: rgba(19, 183, 205, 0.5); }
.sh-tcard__media { aspect-ratio: 4 / 5; overflow: hidden; background: linear-gradient(160deg, var(--sh-navy-900), var(--sh-deep)); }
.sh-tcard__media img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.7s var(--ease); filter: saturate(0.9); }
.sh-tcard:hover .sh-tcard__media img { transform: scale(1.045); filter: saturate(1.05); }
.sh-tcard__mono { height: 100%; display: grid; place-items: center; font-family: var(--font-display); font-size: 3rem; font-weight: 700; color: rgba(19, 183, 205, 0.4); }
.sh-tcard__body { padding: 16px 16px 18px; display: grid; gap: 5px; }
.sh-tcard__name { font-size: 1rem; margin: 0; color: #fff; }
.sh-tcard__role { font-size: 0.82rem; color: var(--dark-text-2); margin: 0; }
.sh-tcard__disc { font-size: 0.58rem; color: var(--sh-cyan-300); letter-spacing: 0.22em; margin: 0; }
.sh-tcard__exp { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 8px; }
.sh-tcard__exp .sh-chip { background: transparent; border-color: var(--line-dark); color: var(--dark-text-2); }

/* 15. CLIENTS -------------------------------------------------------------------------- */
.sh-clients { background: var(--white); border-block: 1px solid var(--line); padding-block: clamp(2rem, 4vw, 3rem); }
.sh-clients__head { display: flex; align-items: center; justify-content: space-between; gap: 14px; margin-bottom: 20px; }
.sh-clients__head .sh-kicker { margin: 0; }
.sh-clients__hint { font-size: 0.58rem; color: var(--slate); }
.sh-clients__row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
}
.sh-clients__logo {
  display: grid;
  place-items: center;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: var(--white);
  filter: grayscale(1);
  opacity: 0.75;
  transition: filter 0.3s var(--ease), opacity 0.3s, border-color 0.3s;
}
.sh-clients__logo:hover { filter: grayscale(0); opacity: 1; border-color: rgba(19, 183, 205, 0.5); }
.sh-clients__logo img { max-height: 44px; width: auto; object-fit: contain; }

/* 16. INSIGHTS + ARTICLE CARDS ------------------------------------------------------ */
.sh-insights { background: var(--cloud); }
.sh-insights__grid { display: grid; gap: 16px; }
.sh-insights__empty { color: var(--slate); font-size: 0.95rem; padding: 30px 0; }
.sh-acard {
  display: flex;
  flex-direction: column;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  overflow: hidden;
  transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease), border-color 0.3s;
}
.sh-acard:hover { transform: translateY(-3px); box-shadow: 0 20px 46px -24px rgba(9, 72, 120, 0.3); border-color: rgba(19, 183, 205, 0.5); }
.sh-acard__media { display: block; aspect-ratio: 16 / 9; overflow: hidden; background: linear-gradient(160deg, var(--sh-navy-900), var(--sh-deep)); }
.sh-acard__media img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.7s var(--ease); }
.sh-acard:hover .sh-acard__media img { transform: scale(1.045); }
.sh-acard__placeholder { height: 100%; display: grid; place-items: center; color: rgba(19, 183, 205, 0.4); }
.sh-acard__body { padding: 18px 18px 20px; display: grid; gap: 8px; }
.sh-acard__meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 0.6rem;
  color: var(--slate);
  margin: 0;
}
.sh-acard__cat { color: var(--sh-cyan); letter-spacing: 0.18em; }
.sh-acard__title { font-size: 1.1rem; margin: 0; line-height: 1.3; }
.sh-acard__title a:hover { color: var(--sh-navy); }
.sh-acard__excerpt { color: var(--slate); font-size: 0.88rem; margin: 0; }

.sh-cats { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 26px; }
.sh-pagination { margin-top: 34px; }
.sh-pagination ul { display: flex; gap: 6px; justify-content: center; }
.sh-pagination a, .sh-pagination span {
  min-width: 42px;
  height: 42px;
  display: inline-grid;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  background: var(--white);
}
.sh-pagination .current { background: var(--sh-navy); border-color: var(--sh-navy); color: #fff; }
.sh-pagination a:hover { border-color: var(--sh-cyan); color: var(--sh-navy); }

.sh-article__head { padding: calc(var(--header-h) + clamp(2.4rem, 6vw, 4.6rem)) 0 0; background: var(--cloud); }
.sh-article__title {
  font-size: clamp(1.8rem, 4vw, 3rem);
  max-width: 24ch;
}
.sh-article__banner { margin: clamp(1.6rem, 4vw, 2.8rem) auto 0; max-width: var(--wrap); padding-inline: var(--gutter); }
.sh-article__banner img { width: 100%; max-height: 560px; object-fit: cover; border-radius: var(--r-md); }
.sh-article__layout { max-width: 820px; padding-block: clamp(2rem, 5vw, 3.4rem); }
.sh-article__related {
  display: grid;
  gap: 26px;
  padding-bottom: var(--sec);
  max-width: 820px;
}
.sh-article__relcol { display: grid; gap: 8px; align-content: start; }
.sh-article__relcol .sh-project__facts-label { margin-bottom: 6px; }

/* 17. CTA BAND ------------------------------------------------------------------------ */
.sh-cta {
  position: relative;
  background:
    radial-gradient(90% 120% at 12% 0%, rgba(19, 183, 205, 0.14), transparent 55%),
    linear-gradient(160deg, var(--sh-navy-900) 0%, var(--sh-deep) 80%);
  color: #fff;
  padding-block: clamp(3.4rem, 7vw, 6rem);
  overflow: hidden;
  isolation: isolate;
}
.sh-cta__grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(19, 183, 205, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(19, 183, 205, 0.05) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(75% 90% at 50% 20%, #000, transparent);
  pointer-events: none;
}
.sh-cta__inner { position: relative; display: grid; gap: 14px; justify-items: start; }
.sh-cta__title {
  font-size: clamp(1.75rem, 3.8vw, 3rem);
  max-width: 20ch;
  margin: 0;
}
.sh-cta__lead { color: var(--dark-text-2); max-width: 54ch; margin: 0; font-size: var(--fs-lead); }
.sh-cta__actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 10px; }
.sh-cta__contacts {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin-top: 14px;
  font-size: 0.68rem;
  color: var(--dark-text-2);
}
.sh-cta__contacts a:hover { color: var(--sh-cyan-300); }

/* 18. FOOTER ---------------------------------------------------------------------------- */
.sh-footer {
  background: var(--sh-deep);
  color: var(--dark-text);
  padding: clamp(3rem, 6vw, 4.6rem) 0 0;
  border-top: 1px solid var(--line-dark);
}
.sh-footer__grid {
  max-width: var(--wrap);
  margin-inline: auto;
  padding-inline: var(--gutter);
  display: grid;
  grid-template-columns: 1fr;
  gap: 34px;
}
.sh-footer__brand { display: flex; align-items: center; gap: 14px; }
.sh-footer__brand img { width: 54px; height: 54px; object-fit: contain; }
.sh-footer__name { display: block; font-family: var(--font-display); font-weight: 700; letter-spacing: 0.12em; font-size: 1rem; color: #fff; }
.sh-footer__tag { display: block; font-family: var(--font-mono); font-size: 0.52rem; letter-spacing: 0.26em; color: var(--sh-cyan-300); margin-top: 3px; }
.sh-footer__note { color: var(--dark-text-2); font-size: 0.88rem; max-width: 40ch; margin: 16px 0 20px; }
.sh-footer__social { display: flex; gap: 8px; }
.sh-footer__social a {
  width: 40px; height: 40px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line-dark);
  border-radius: var(--r-sm);
  color: var(--dark-text-2);
  transition: 0.25s var(--ease);
}
.sh-footer__social a:hover { border-color: var(--sh-cyan); color: var(--sh-cyan-300); transform: translateY(-2px); }
.sh-footer__label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.58rem;
  letter-spacing: 0.26em;
  color: var(--sh-cyan-300);
  margin-bottom: 16px;
}
.sh-footer__col ul { display: grid; gap: 10px; }
.sh-footer__col a { color: var(--dark-text-2); font-size: 0.88rem; transition: color 0.2s, padding-left 0.25s var(--ease); }
.sh-footer__col a:hover { color: #fff; padding-left: 4px; }
.sh-footer__contact li { display: flex; gap: 10px; align-items: flex-start; color: var(--dark-text-2); font-size: 0.84rem; }
.sh-footer__contact svg { color: var(--sh-cyan); flex: none; margin-top: 3px; }
.sh-footer__base {
  margin-top: clamp(2.4rem, 5vw, 3.6rem);
  border-top: 1px solid var(--line-dark);
  padding: 18px var(--gutter) 22px;
  max-width: var(--wrap);
  margin-inline: auto;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: space-between;
  font-size: 0.68rem;
  color: rgba(213, 231, 240, 0.5);
}
.sh-footer__coords { font-family: var(--font-mono); letter-spacing: 0.14em; }

/* 19. EXPLORER (archive) ------------------------------------------------------------------- */
.sh-explorer__head {
  position: relative;
  background:
    radial-gradient(110% 110% at 85% -10%, rgba(19, 183, 205, 0.13), transparent 50%),
    linear-gradient(165deg, var(--sh-deep-2) 0%, var(--sh-deep) 70%);
  color: var(--dark-text);
  padding: calc(var(--header-h) + clamp(2.2rem, 5.5vw, 4.2rem)) 0 clamp(1.8rem, 4vw, 2.8rem);
  overflow: hidden;
}
.sh-explorer__title { font-size: clamp(2rem, 4.6vw, 3.4rem); margin: 0 0 10px; }
.sh-explorer__lead { color: var(--dark-text-2); max-width: 60ch; margin: 0; font-size: var(--fs-lead); }
.sh-explorer__lead .sh-mono { color: var(--sh-cyan-300); }
.sh-explorer__coords {
  position: absolute;
  right: var(--gutter);
  bottom: 18px;
  font-size: 0.58rem;
  color: rgba(213, 231, 240, 0.4);
  display: none;
}
.sh-explorer__filters {
  position: sticky;
  top: var(--header-h);
  z-index: 40;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}
.sh-explorer__bar {
  display: flex;
  align-items: center;
  gap: 10px;
  padding-block: 12px;
  overflow-x: auto;
  scrollbar-width: none;
}
.sh-explorer__bar::-webkit-scrollbar { display: none; }
.sh-filter { flex: none; display: grid; gap: 3px; }
.sh-filter__label { font-size: 0.52rem; letter-spacing: 0.2em; color: var(--slate); }
.sh-filter select {
  appearance: none;
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  background: var(--white) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6' viewBox='0 0 10 6'%3E%3Cpath d='M1 1l4 4 4-4' stroke='%23094878' fill='none' stroke-width='1.5'/%3E%3C/svg%3E") no-repeat right 10px center;
  padding: 8px 30px 8px 10px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  color: var(--sh-ink);
  min-width: 130px;
  cursor: pointer;
  transition: border-color 0.2s;
}
.sh-filter select:hover, .sh-filter select:focus { border-color: var(--sh-cyan); outline: none; }
.sh-filter__reset {
  flex: none;
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.12em;
  color: var(--sh-navy);
  border-bottom: 1px solid transparent;
  padding: 8px 2px;
}
.sh-filter__reset:hover { border-color: var(--sh-navy); }
.sh-explorer__grid { padding-block: clamp(1.8rem, 4vw, 3rem); }
@media (min-width: 900px) {
  .sh-explorer__grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
  .sh-explorer__grid .sh-pgrid__lead { grid-column: 1 / -1; }
}
.sh-explorer__empty { color: var(--slate); padding: 40px 0; grid-column: 1 / -1; }
.sh-explorer__more { display: grid; place-items: center; padding-bottom: var(--sec); }
.sh-explorer.is-busy .sh-explorer__grid { opacity: 0.45; pointer-events: none; transition: opacity 0.2s; }

/* 20. SINGLE PROJECT ------------------------------------------------------------------------- */
.sh-project__hero {
  position: relative;
  min-height: clamp(380px, 62vh, 640px);
  display: flex;
  align-items: flex-end;
  color: #fff;
  overflow: hidden;
  isolation: isolate;
}
.sh-project__hero-media { position: absolute; inset: 0; z-index: -1; }
.sh-project__hero-media img { width: 100%; height: 100%; object-fit: cover; }
.sh-project__hero-shade {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(4, 18, 31, 0.55) 0%, rgba(4, 18, 31, 0.12) 40%, rgba(4, 18, 31, 0.88) 100%),
    linear-gradient(90deg, rgba(4, 18, 31, 0.5), transparent 60%);
}
.sh-project__hero-content { position: relative; padding-block: clamp(2.6rem, 6vw, 4rem) clamp(2rem, 4.5vw, 3rem); }
.sh-project__hero-content .sh-crumbs { margin-bottom: 18px; }
.sh-project__title { font-size: clamp(2rem, 5vw, 3.8rem); max-width: 16ch; margin: 0 0 12px; }
.sh-project__loc { color: var(--sh-cyan-300); font-size: 0.72rem; margin: 0; }

.sh-project__databar {
  background: var(--sh-deep-2);
  color: var(--dark-text);
  border-block: 1px solid var(--line-dark);
}
.sh-project__databar-grid {
  display: flex;
  gap: 26px;
  overflow-x: auto;
  scrollbar-width: none;
  padding-block: 16px;
}
.sh-project__databar-grid::-webkit-scrollbar { display: none; }
.sh-project__databar-cell { flex: none; display: grid; gap: 3px; min-width: 120px; }
.sh-project__databar-label { font-size: 0.52rem; letter-spacing: 0.24em; color: var(--sh-cyan-300); }
.sh-project__databar-value { font-size: 0.84rem; font-weight: 600; }

.sh-project__layout {
  display: grid;
  gap: 40px;
  padding-block: clamp(2.4rem, 5vw, 4rem);
}
.sh-project__section { position: relative; padding-top: 22px; border-top: 1px solid var(--line); margin-bottom: clamp(2.2rem, 4vw, 3rem); }
.sh-project__section-num {
  position: absolute;
  top: 22px; right: 0;
  font-size: 0.72rem;
  color: rgba(19, 183, 205, 0.6);
}
.sh-project__section h2 { font-size: clamp(1.3rem, 2.2vw, 1.7rem); }
.sh-scope { display: grid; gap: 10px; }
.sh-scope li { display: flex; gap: 12px; align-items: flex-start; font-size: 0.94rem; }
.sh-scope svg { color: var(--sh-cyan); flex: none; margin-top: 5px; }
.sh-gallery { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.sh-gallery__item { margin: 0; border-radius: var(--r-md); overflow: hidden; border: 1px solid var(--line); }
.sh-gallery__item--lead { grid-column: 1 / -1; }
.sh-gallery__item img { width: 100%; height: 100%; aspect-ratio: 16 / 10; object-fit: cover; transition: transform 0.6s var(--ease); }
.sh-gallery__item:hover img { transform: scale(1.03); }
.sh-project__aside { display: grid; gap: 26px; align-content: start; }
.sh-project__facts, .sh-project__related-services, .sh-service__aside-projects {
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: var(--white);
  padding: 20px;
  display: grid;
  gap: 12px;
  align-content: start;
}
.sh-project__facts-label, .sh-service__aside-label {
  font-size: 0.56rem;
  letter-spacing: 0.24em;
  color: var(--sh-cyan);
}
.sh-project__fact { display: grid; gap: 2px; border-bottom: 1px solid var(--line); padding-bottom: 10px; }
.sh-project__fact:last-of-type { border-bottom: 0; padding-bottom: 0; }
.sh-project__fact-k { font-size: 0.54rem; letter-spacing: 0.18em; color: var(--slate); }
.sh-project__fact-v { font-size: 0.9rem; font-weight: 500; }
.sh-project__fact-empty { color: var(--slate); font-size: 0.84rem; margin: 0; }
.sh-project__service-link {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--sh-ink);
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  transition: 0.25s var(--ease);
}
.sh-project__service-link:hover { border-color: var(--sh-cyan); color: var(--sh-navy); }
.sh-project__service-link svg { margin-left: auto; color: var(--sh-cyan); }
.sh-project__related { background: var(--cloud); border-top: 1px solid var(--line); padding-block: clamp(2.4rem, 5vw, 4rem); }
.sh-project__related .section__head { margin-bottom: 1.6rem; }

/* 21. SINGLE SERVICE ------------------------------------------------------------------------ */
.sh-service__hero {
  position: relative;
  background:
    radial-gradient(110% 120% at 88% -10%, rgba(19, 183, 205, 0.15), transparent 52%),
    linear-gradient(165deg, var(--sh-deep-2), var(--sh-deep));
  color: var(--dark-text);
  padding: calc(var(--header-h) + clamp(2.2rem, 5.5vw, 4rem)) 0 clamp(2.2rem, 5vw, 3.6rem);
}
.sh-service__hero--img { overflow: hidden; isolation: isolate; }
.sh-service__hero--img .sh-service__hero-media { position: absolute; inset: 0; z-index: -1; }
.sh-service__hero--img img { width: 100%; height: 100%; object-fit: cover; }
.sh-service__hero--img .sh-service__hero-shade {
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(4, 18, 31, 0.8), rgba(4, 18, 31, 0.72));
}
.sh-service__title { font-size: clamp(2rem, 4.6vw, 3.4rem); max-width: 18ch; margin: 0; }
.sh-service__layout { display: grid; gap: 40px; padding-block: clamp(2.4rem, 5vw, 4rem); }
.sh-service__section { position: relative; border-top: 1px solid var(--line); padding-top: 22px; margin-bottom: clamp(2rem, 4vw, 2.8rem); }
.sh-service__section-num { position: absolute; top: 22px; right: 0; font-size: 0.72rem; color: rgba(19, 183, 205, 0.6); }
.sh-service__section h2 { font-size: clamp(1.3rem, 2.2vw, 1.7rem); }
.sh-service__caps { display: flex; flex-wrap: wrap; gap: 8px; }
.sh-service__aside { display: grid; gap: 22px; align-content: start; }
.sh-service__aside-card {
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: linear-gradient(165deg, var(--sh-navy-900), var(--sh-deep));
  color: var(--dark-text);
  padding: 24px;
  display: grid;
  gap: 14px;
  justify-items: start;
}
.sh-service__aside-card svg { color: var(--sh-cyan-300); }
.sh-service__aside-card p { margin: 0; font-size: 0.95rem; }

/* 22. PAGE HEADERS, PROSE, CONTACT, FORMS ----------------------------------------------------- */
.sh-pagehead {
  background:
    radial-gradient(110% 120% at 88% -10%, rgba(19, 183, 205, 0.13), transparent 50%),
    linear-gradient(165deg, var(--sh-deep-2), var(--sh-deep));
  color: var(--dark-text);
  padding: calc(var(--header-h) + clamp(2.2rem, 5.5vw, 4rem)) 0 clamp(2rem, 4.5vw, 3.2rem);
}
.sh-pagehead__title { font-size: clamp(2rem, 4.6vw, 3.4rem); margin: 0 0 12px; }
.sh-pagehead__lead { color: var(--dark-text-2); max-width: 62ch; margin: 0; font-size: var(--fs-lead); }

.sh-prose { font-size: 1rem; color: var(--sh-ink); max-width: 72ch; }
.sh-prose > * + * { margin-top: 1em; }
.sh-prose h2, .sh-prose h3 { margin-top: 1.6em; color: var(--sh-ink); }
.sh-prose h2 { font-size: 1.45rem; }
.sh-prose h3 { font-size: 1.15rem; }
.sh-prose ul { list-style: none; display: grid; gap: 8px; margin-top: 1em; }
.sh-prose ul li { padding-left: 22px; position: relative; }
.sh-prose ul li::before {
  content: '';
  position: absolute;
  left: 2px; top: 11px;
  width: 7px; height: 7px;
  background: var(--sh-cyan);
  transform: rotate(45deg);
}
.sh-prose a { color: var(--sh-navy); text-decoration: underline; text-underline-offset: 3px; }
.sh-prose a:hover { color: var(--sh-cyan); }
.sh-prose strong { color: var(--sh-ink); }
.sh-prose img { border-radius: var(--r-md); }
.sh-prose blockquote {
  margin: 1.4em 0;
  padding: 14px 20px;
  border-left: 3px solid var(--sh-cyan);
  background: var(--white);
  border-radius: 0 var(--r-md) var(--r-md) 0;
  font-size: 1.05rem;
}
.sh-prose--page { padding-block: clamp(2rem, 4vw, 3rem); }
.sh-prose--article { max-width: none; }

.sh-vision-grid { display: grid; gap: 16px; }
.sh-vision__card {
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: var(--white);
  padding: clamp(22px, 3vw, 34px);
  display: grid;
  gap: 10px;
  align-content: start;
  position: relative;
  overflow: hidden;
}
.sh-vision__card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--sh-cyan), transparent);
}
.sh-vision__label { font-size: 0.62rem; letter-spacing: 0.26em; color: var(--sh-cyan); }
.sh-vision__card h2 { font-size: clamp(1.15rem, 1.9vw, 1.5rem); margin: 0; max-width: 30ch; }
.sh-vision__card p { color: var(--slate); font-size: 0.92rem; margin: 0; }
.sh-vision__card--cert { background: linear-gradient(165deg, var(--sh-navy-900), var(--sh-deep)); border-color: var(--sh-navy-900); }
.sh-vision__card--cert h2 { color: #fff; }
.sh-vision__card--cert p { color: var(--dark-text-2); }

.sh-contact { display: grid; gap: 34px; padding-block: clamp(2.2rem, 5vw, 3.6rem); }
.sh-contact__info { display: grid; gap: 10px; align-content: start; }
.sh-contact__card {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  padding: 16px 18px;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: var(--white);
  transition: border-color 0.25s var(--ease), transform 0.25s var(--ease);
}
.sh-contact__card:hover { border-color: rgba(19, 183, 205, 0.55); transform: translateX(3px); }
.sh-contact__card svg { color: var(--sh-cyan); flex: none; margin-top: 4px; }
.sh-contact__label { display: block; font-size: 0.54rem; letter-spacing: 0.22em; color: var(--slate); margin-bottom: 3px; }
.sh-contact__card a, .sh-contact__card span:not(.sh-contact__label) { font-weight: 500; font-size: 0.94rem; }
.sh-contact__formwrap {
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: var(--white);
  padding: clamp(20px, 3vw, 32px);
}
.sh-contact__context {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.66rem;
  color: var(--sh-navy);
  background: rgba(19, 183, 205, 0.1);
  border: 1px solid rgba(19, 183, 205, 0.3);
  border-radius: var(--r-sm);
  padding: 10px 14px;
  margin: 0 0 20px;
}
.sh-contact__context svg { color: var(--sh-cyan); }
.sh-contact__sent { display: grid; gap: 10px; justify-items: start; padding: 20px 0; }
.sh-contact__sent svg { color: var(--sh-cyan); }
.sh-contact__sent h2 { margin: 0; }

.sh-form { display: grid; gap: 16px; }
.sh-form__row { display: grid; gap: 16px; }
.sh-form label { display: grid; gap: 6px; }
.sh-form label > span { font-size: 0.58rem; letter-spacing: 0.2em; color: var(--slate); }
.sh-form input, .sh-form select, .sh-form textarea {
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  padding: 12px 14px;
  font-size: 0.95rem;
  background: var(--cloud);
  transition: border-color 0.2s, background 0.2s;
  width: 100%;
}
.sh-form input:focus, .sh-form select:focus, .sh-form textarea:focus {
  outline: none;
  border-color: var(--sh-cyan);
  background: var(--white);
  box-shadow: 0 0 0 3px rgba(19, 183, 205, 0.15);
}
.sh-form textarea { resize: vertical; min-height: 120px; }
.sh-form__note { font-size: 0.6rem; letter-spacing: 0.2em; color: var(--slate); margin: 0; text-align: center; }

/* 23. 404 / SEARCH ---------------------------------------------------------------------------- */
.sh-404 {
  min-height: 72vh;
  display: grid;
  align-items: center;
  background:
    radial-gradient(90% 100% at 80% 0%, rgba(19, 183, 205, 0.12), transparent 55%),
    linear-gradient(165deg, var(--sh-deep-2), var(--sh-deep));
  color: var(--dark-text);
  text-align: left;
}
.sh-404__code { color: var(--sh-cyan-300); font-size: 0.78rem; letter-spacing: 0.3em; margin-bottom: 12px; }
.sh-404__title { font-size: clamp(1.9rem, 4.4vw, 3.2rem); }
.sh-404__lead { color: var(--dark-text-2); max-width: 48ch; }
.sh-404__actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 18px; }
.sh-searchform { display: flex; gap: 10px; max-width: 520px; }
.sh-searchform input {
  flex: 1;
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  padding: 12px 14px;
  background: var(--white);
}
.sh-searchform input:focus { outline: none; border-color: var(--sh-cyan); }

/* 24. BREADCRUMBS ------------------------------------------------------------------------------ */
.sh-crumbs ol { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; font-family: var(--font-mono); font-size: 0.62rem; letter-spacing: 0.12em; }
.sh-crumbs li { color: rgba(255, 255, 255, 0.55); display: flex; align-items: center; gap: 8px; }
.sh-crumbs li + li::before { content: '/'; color: rgba(255, 255, 255, 0.25); }
.sh-crumbs a { color: rgba(255, 255, 255, 0.8); }
.sh-crumbs a:hover { color: var(--sh-cyan-300); }
.sh-project__layout .sh-crumbs, .sh-article .sh-crumbs, .sh-pagehead .sh-crumbs, .sh-explorer .sh-crumbs { margin-bottom: 16px; }
.sh-project__layout .sh-crumbs li, .sh-article .sh-crumbs li { color: var(--slate); }
.sh-project__layout .sh-crumbs a, .sh-article .sh-crumbs a { color: var(--sh-navy); }

/* 25. REVEAL ANIMATIONS --------------------------------------------------------------------------- */
.js [data-reveal] {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out);
}
.js [data-reveal].is-inview { opacity: 1; transform: none; }
.js [data-reveal-group] > * {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.6s var(--ease-out), transform 0.6s var(--ease-out);
}
.js [data-reveal-group].is-inview > * { opacity: 1; transform: none; }
.js [data-reveal-group].is-inview > *:nth-child(1) { transition-delay: 0.02s; }
.js [data-reveal-group].is-inview > *:nth-child(2) { transition-delay: 0.09s; }
.js [data-reveal-group].is-inview > *:nth-child(3) { transition-delay: 0.16s; }
.js [data-reveal-group].is-inview > *:nth-child(4) { transition-delay: 0.23s; }
.js [data-reveal-group].is-inview > *:nth-child(5) { transition-delay: 0.3s; }
.js [data-reveal-group].is-inview > *:nth-child(6) { transition-delay: 0.37s; }
.js [data-reveal-group].is-inview > *:nth-child(7) { transition-delay: 0.44s; }
.js [data-reveal-group].is-inview > *:nth-child(8) { transition-delay: 0.51s; }
.js [data-reveal-group].is-inview > *:nth-child(9) { transition-delay: 0.58s; }

/* 26. RESPONSIVE — min-width enhancements (mobile-first) -------------------------------------------- */
@media (min-width: 640px) {
  .sh-intel__grid { grid-template-columns: repeat(3, 1fr); }
  .sh-hero__meta { grid-template-columns: repeat(4, 1fr); }
  .sh-hero__scrollcue { display: flex; }
  .sh-pgrid { grid-template-columns: repeat(2, 1fr); }
  .sh-pgrid .sh-pgrid__lead { grid-column: 1 / -1; }
  .sh-services__rail { grid-template-columns: repeat(2, 1fr); }
  .sh-resources__grid { grid-template-columns: repeat(2, 1fr); }
  .sh-team__grid { grid-template-columns: repeat(3, 1fr); }
  .sh-insights__grid { grid-template-columns: repeat(2, 1fr); }
  .sh-gallery { grid-template-columns: repeat(3, 1fr); }
  .sh-form__row { grid-template-columns: 1fr 1fr; }
  .sh-clients__row { grid-template-columns: repeat(4, 1fr); }
  .sh-bim__showcase { grid-template-columns: 1.1fr 1fr; }
  .sh-contact { grid-template-columns: 0.9fr 1.4fr; }
  .sh-footer__grid { grid-template-columns: 1.5fr 1fr 1fr; }
  .sh-vision-grid { grid-template-columns: repeat(3, 1fr); }
  .sh-article__related { grid-template-columns: 1fr 1fr; }
}

@media (min-width: 900px) {
  :root { --header-h: 76px; }
  .sh-burger, .sh-mobilebar { display: none; }
  body { --mobilebar-h: 0px; padding-bottom: 0; }
  .sh-header__actions .sh-btn { display: inline-flex; }
  .sh-nav { display: block; }
  .sh-services__layout { grid-template-columns: minmax(300px, 0.9fr) 1.5fr; gap: 40px; }
  .sh-services__index { display: grid; gap: 4px; align-content: start; position: sticky; top: calc(var(--header-h) + 20px); }
  .sh-services__rail { display: none; }
  .sh-services__row {
    display: flex;
    align-items: center;
    gap: 14px;
    text-align: left;
    padding: 15px 16px;
    border: 1px solid var(--line-dark);
    border-radius: var(--r-sm);
    color: var(--dark-text-2);
    transition: 0.3s var(--ease);
    position: relative;
    overflow: hidden;
  }
  .sh-services__row::before {
    content: '';
    position: absolute;
    left: 0; top: 0; bottom: 0;
    width: 3px;
    background: var(--sh-cyan);
    transform: scaleY(0);
    transition: transform 0.3s var(--ease);
  }
  .sh-services__row:hover { color: #fff; border-color: rgba(19, 183, 205, 0.4); background: rgba(19, 183, 205, 0.05); }
  .sh-services__row.is-active {
    color: #fff;
    border-color: rgba(19, 183, 205, 0.55);
    background: rgba(19, 183, 205, 0.08);
  }
  .sh-services__row.is-active::before { transform: scaleY(1); }
  .sh-services__row-title { font-family: var(--font-display); font-weight: 600; font-size: 0.98rem; flex: 1; }
  .sh-services__row-ic { color: var(--sh-cyan-300); }
  .sh-services__row-arrow { opacity: 0; transform: translateX(-6px); transition: 0.3s var(--ease); }
  .sh-services__row:hover .sh-services__row-arrow, .sh-services__row.is-active .sh-services__row-arrow { opacity: 1; transform: none; }
  .sh-pgrid { grid-template-columns: repeat(3, 1fr); gap: 18px; }
  .sh-pgrid .sh-pgrid__lead { grid-column: span 2; grid-row: span 2; }
  .sh-pgrid--row { grid-template-columns: repeat(3, 1fr); }
  .sh-insights__grid { grid-template-columns: repeat(3, 1fr); }
  .sh-timeline__rail { display: block; }
  .sh-timeline__list {
    grid-template-columns: repeat(7, 1fr);
    gap: 18px;
    padding-left: 0;
    padding-top: 44px;
  }
  .sh-timeline__list::before { display: none; }
  .sh-timeline__item { padding: 0; }
  .sh-timeline__node { left: 0; top: -38px; }
  .sh-project__layout { grid-template-columns: 1.7fr 1fr; gap: 56px; }
  .sh-project__aside { position: sticky; top: calc(var(--header-h) + 24px); }
  .sh-service__layout { grid-template-columns: 1.7fr 1fr; gap: 56px; }
  .sh-footer__grid { grid-template-columns: 1.6fr 1fr 1.2fr 1.2fr; }
  .sh-explorer__coords { display: block; }
  .sh-mega { padding-inline: 0; }
}

@media (min-width: 1200px) {
  .sh-intel__grid { grid-template-columns: repeat(4, 1fr); }
  .sh-intel__card--wide { grid-column: span 2; grid-row: span 2; }
  .sh-intel__card--accent { grid-row: span 1; }
  .sh-hero__meta { max-width: 760px; }
  .sh-team__grid { grid-template-columns: repeat(4, 1fr); gap: 16px; }
  .sh-bim__line { display: block; }
  .sh-bim__stages { grid-template-columns: repeat(5, 1fr); gap: 14px; }
  .sh-bim__stage { border: 0; background: none; }
  .sh-bim__stage-btn { flex-direction: column; align-items: flex-start; gap: 10px; padding: 0 0 0 26px; position: relative; }
  .sh-bim__stage-num { order: 3; }
  .sh-bim__stage-node { display: block; position: absolute; left: 0; top: 4px; }
  .sh-bim__stage-meta { display: block; margin-left: 0; order: 4; }
  .sh-bim__stage-title { font-size: 1.02rem; }
  .sh-bim__stage-body { grid-template-rows: 0fr; }
  .sh-bim__stage.is-active .sh-bim__stage-body { grid-template-rows: 1fr; }
  .sh-bim__stage.is-active .sh-bim__stage-body > p { padding: 6px 0 0 26px; }
}

/* 27. REDUCED MOTION ----------------------------------------------------------------------------- */
@media (max-width: 899px) {
  .sh-hero__ui { bottom: calc(22px + var(--mobilebar-h)); }
  .sh-hero__content { padding-bottom: calc(84px + var(--mobilebar-h)); }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.001s !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001s !important;
  }
  .js [data-reveal], .js [data-reveal-group] > *, .js [data-hero-anim] { opacity: 1 !important; transform: none !important; }
  .sh-hero__media img { transform: none !important; }
  .sh-ticker__track { animation: none; }
}

/* 28. PRINT ---------------------------------------------------------------------------------------- */
@media print {
  .sh-header, .sh-mobilebar, .sh-drawer, .sh-progress, .sh-cta, .sh-footer { display: none !important; }
  body { background: #fff; color: #000; }
}