/* ============================================
   UCS GREEN SYSTEM — v3
   Brand: Ink #0F0F0F · White · Orange #E46703 (accent only)
   Tone: Serious. Corporate. Refined.
   Orange = typographic accent, thin lines, CTA only.
   Never used as section backgrounds.
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:ital,wght@0,300;0,400;0,500;0,600;1,300&display=swap');
@import url('https://api.fontshare.com/v2/css?f[]=switzer@600,700,800&display=swap');

:root {
  /* Core neutrals — do the heavy lifting */
  --ink:         #0F0F0F;
  --ink-2:       #1A1A1A;
  --ink-3:       #242424;
  --ink-4:       #323232;
  --mid:         #6B6B6B;
  --muted:       #9A9A9A;
  --border-dk:   rgba(255,255,255,0.07);
  --border:      #E5E5E5;
  --surface:     #F6F6F6;
  --white:       #FFFFFF;

  /* Accent — only for: number highlights, thin lines,
     hover underlines, CTA button, eyebrow labels.
     NEVER as a section/panel background. */
  --accent:      #E46703;
  --accent-dk:   #C45500;
  --accent-pale: #FDF3EC;

  /* Brand cream (from logo PDF) */
  --cream:       #DDD4C1;

  /* Type */
  --sans:        'Inter', -apple-system, sans-serif;
  --display:     'Switzer', sans-serif;

  /* Layout */
  --max:         1280px;
  --pad:         32px;
  --sec:         96px;

  /* Effects */
  --sh-sm:  0 1px 4px rgba(0,0,0,0.05), 0 4px 14px rgba(0,0,0,0.05);
  --sh:     0 4px 28px rgba(0,0,0,0.09);
  --sh-lg:  0 20px 56px rgba(0,0,0,0.14);
  --ease:   cubic-bezier(0.4, 0, 0.2, 1);
  --t:      all 0.26s var(--ease);
  --r:      4px;
  --r-md:   10px;
}

/* ── RESET ──────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
body {
  font-family: var(--sans);
  color: var(--ink);
  background: var(--white);
  overflow-x: hidden;
  line-height: 1.6;
}
img { max-width: 100%; display: block; }
a   { text-decoration: none; color: inherit; }
button { font-family: inherit; cursor: pointer; }

/* ── LAYOUT ─────────────────────────────────── */
.container { max-width: var(--max); margin: 0 auto; padding: 0 var(--pad); }
.section         { padding: var(--sec) 0; }
.section--light  { background: var(--surface); }
.section--dark   { background: var(--ink);   color: var(--white); }
.section--ink2   { background: var(--ink-2); color: var(--white); }
.section--ink3   { background: var(--ink-3); color: var(--white); }

/* ── EYEBROW LABEL ──────────────────────────── */
.label {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 10.5px;
  font-weight: 600;
  letter-spacing: 2.5px;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 16px;
}
.label::before {
  content: '';
  width: 22px; height: 2px;
  background: var(--accent);
  flex-shrink: 0;
}
.label--white { color: rgba(255,255,255,0.45); }
.label--white::before { background: rgba(255,255,255,0.25); }
.label--muted { color: var(--muted); }
.label--muted::before { background: var(--muted); }

/* ── HEADINGS ───────────────────────────────── */
.h-display {
  font-family: var(--display);
  font-size: clamp(48px, 6.5vw, 92px);
  font-weight: 800;
  line-height: 0.96;
  letter-spacing: -0.03em;
}
.h2 {
  font-family: var(--display);
  font-size: clamp(30px, 3.8vw, 52px);
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: -0.025em;
}
.h3 {
  font-family: var(--display);
  font-size: clamp(18px, 2vw, 24px);
  font-weight: 700;
  line-height: 1.2;
}
.lead {
  font-size: 16.5px;
  font-weight: 400;
  line-height: 1.78;
  color: var(--mid);
}
.lead--white { color: rgba(255,255,255,0.48); }

/* ── BUTTONS ────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 14px 28px;
  font-family: var(--sans); font-size: 13.5px; font-weight: 600;
  letter-spacing: 0.2px; border-radius: var(--r);
  transition: var(--t); border: none; cursor: pointer;
}
/* Only CTA gets accent background — nowhere else */
.btn--primary { background: var(--accent); color: var(--white); }
.btn--primary:hover { background: var(--accent-dk); transform: translateY(-1px); box-shadow: 0 6px 20px rgba(228,103,3,0.26); }

.btn--ghost-white {
  background: transparent; color: var(--white);
  border: 1.5px solid rgba(255,255,255,0.25);
}
.btn--ghost-white:hover { border-color: rgba(255,255,255,0.65); background: rgba(255,255,255,0.05); }

.btn--ghost-dark {
  background: transparent; color: var(--ink);
  border: 1.5px solid var(--border);
}
.btn--ghost-dark:hover { border-color: var(--ink); background: var(--ink); color: var(--white); }

.btn--text {
  background: none; border: none; padding: 0;
  color: var(--accent); font-size: 13.5px; font-weight: 600;
  display: inline-flex; align-items: center; gap: 6px;
}
.btn--text:hover { gap: 10px; }

/* ── TOP BAR ────────────────────────────────── */
.topbar {
  background: var(--ink-2);
  padding: 9px 0;
  font-size: 12px;
  color: rgba(255,255,255,0.38);
}
.topbar .container {
  display: flex; align-items: center;
  justify-content: space-between; gap: 16px; flex-wrap: wrap;
}
.topbar__left, .topbar__right { display: flex; align-items: center; gap: 24px; }
.topbar__item { display: flex; align-items: center; gap: 7px; }
.topbar a { color: rgba(255,255,255,0.38); transition: color 0.2s; }
.topbar a:hover { color: rgba(255,255,255,0.80); }
.topbar__patent {
  display: flex; align-items: center; gap: 8px;
  font-size: 11px; font-weight: 600; letter-spacing: 1px; color: var(--cream);
}
.topbar__patent-pip {
  width: 4px; height: 4px; background: var(--accent);
  border-radius: 50%; flex-shrink: 0;
}

/* ── NAVBAR ─────────────────────────────────── */
.navbar {
  position: sticky; top: 0; z-index: 1000;
  background: #3063a0;
  border-bottom: 1px solid rgba(0,0,0,0.15);
  transition: box-shadow 0.3s var(--ease);
}
.navbar.scrolled { box-shadow: 0 2px 24px rgba(0,0,0,0.08); }
.navbar .container {
  display: flex; align-items: center;
  justify-content: space-between; height: 70px;
}
.navbar__logo {
  display: flex; align-items: center; flex-shrink: 0; align-self: stretch;
  margin-left: -32px; padding: 0;
}
.navbar__logo img { display: block; height: 70px; width: auto; margin: 0; padding: 0; }
.navbar__logo svg { display: none; }

.navbar__nav { display: flex; align-items: center; gap: 0; list-style: none; }
.navbar__nav > li { position: relative; }
.navbar__nav > li > a {
  color: rgba(255,255,255,0.88);
  display: flex; align-items: center; gap: 4px;
  padding: 8px 13px; font-size: 13.5px; font-weight: 500;
  color: var(--ink-4); border-radius: var(--r); transition: var(--t);
}
.navbar__nav > li > a:hover { color: #fff; background: rgba(255,255,255,0.08); }
.navbar__nav > li > a.active { color: #fff; }
.navbar__nav > li > a.active::after {
  content: '';
  position: absolute; bottom: -1px; left: 13px; right: 13px;
  height: 2px; background: var(--accent);
}

.dropdown-menu {
  display: none;
  position: absolute; top: 100%; left: 0;
  min-width: 230px; background: var(--white);
  border: 1px solid var(--border); border-radius: var(--r-md);
  box-shadow: var(--sh-lg);
  padding: 14px 0 8px; /* top padding acts as hover bridge — no gap */
  z-index: 200;
}
/* Bridge pseudo-element fills the space between trigger and menu */
.dropdown-menu::before {
  content: '';
  position: absolute;
  top: -12px; left: 0; right: 0;
  height: 12px;
}
.dropdown:hover .dropdown-menu { display: block; animation: dropIn 0.16s ease; }
.dropdown-menu a {
  display: block; padding: 10px 20px;
  font-size: 13.5px; font-weight: 500; color: var(--ink-4);
  transition: var(--t); border-left: 2px solid transparent;
}
.dropdown-menu a:hover {
  color: var(--ink); background: var(--surface);
  border-left-color: var(--accent); padding-left: 24px;
}
@keyframes dropIn { from { opacity:0; transform:translateY(-5px); } to { opacity:1; transform:none; } }

.navbar__cta { margin-left: 14px; }
.hamburger {
  display: none; flex-direction: column; gap: 5px;
  cursor: pointer; padding: 8px; border: none; background: none;
}
.hamburger span { display: block; width: 22px; height: 2px; background: var(--ink); transition: var(--t); border-radius: 2px; }

/* ── HERO ───────────────────────────────────── */
.hero {
  position: relative;
  min-height: 96vh;
  display: flex; flex-direction: column; justify-content: flex-end;
  overflow: hidden; background: var(--ink);
}
.hero__bg {
  position: absolute; inset: 0;
  background-image: url('../images/projects/17.jpg');
  background-size: cover; background-position: center 30%;
  transform: scale(1.04);
  animation: heroZoom 22s ease-in-out infinite alternate;
}
@keyframes heroZoom { from { transform: scale(1.04); } to { transform: scale(1.10); } }
.hero__overlay {
  position: absolute; inset: 0;
  background:
    linear-gradient(100deg,
      rgba(15,15,15,0.96) 0%,
      rgba(15,15,15,0.82) 45%,
      rgba(15,15,15,0.25) 100%);
}
.hero__body { position: relative; z-index: 2; padding: 100px 0 0; }
.hero__inner { max-width: 740px; }

.hero__title {
  font-family: var(--display);
  font-size: clamp(50px, 7.5vw, 104px);
  font-weight: 800; line-height: 0.95;
  letter-spacing: -0.03em; color: var(--white);
  margin-bottom: 28px;
}
/* Orange on single word — typographic use only, not a colored section */
.hero__title .t-accent { color: var(--accent); }

.hero__sub {
  font-size: 17px; font-weight: 400; line-height: 1.78;
  color: rgba(255,255,255,0.52); max-width: 460px; margin-bottom: 40px;
}
.hero__actions { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 72px; }

/* ── STAT ANCHOR — grounded at bottom of hero, never floating ── */
.stat-anchor {
  position: relative; z-index: 2;
  background: var(--ink-3);
  border-top: 1px solid rgba(255,255,255,0.05);
}
.stat-anchor__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-left: 1px solid var(--border-dk);
}
.stat-anchor__cell {
  padding: 30px 40px;
  border-right: 1px solid var(--border-dk);
}
.stat-anchor__cell:last-child { border-right: none; }
.stat-anchor__num {
  font-family: var(--display);
  font-size: 36px; font-weight: 800;
  color: var(--white); line-height: 1;
  letter-spacing: -0.02em;
}
/* Accent used ONLY on the suffix digit — tiny, controlled detail */
.stat-anchor__num sup { font-size: 0.65em; color: var(--accent); }
.stat-anchor__label {
  font-size: 10.5px; font-weight: 600;
  letter-spacing: 2px; text-transform: uppercase;
  color: rgba(255,255,255,0.28); margin-top: 7px;
}

/* ── BRAND STRIP ────────────────────────────── */
.brand-strip { background: var(--ink-2); border-bottom: 1px solid var(--border-dk); }
.brand-strip__inner { display: flex; flex-wrap: wrap; }
.brand-strip__item {
  display: flex; align-items: center; gap: 10px;
  padding: 15px 36px;
  font-size: 10.5px; font-weight: 600;
  letter-spacing: 2px; text-transform: uppercase;
  color: rgba(255,255,255,0.30);
  border-right: 1px solid var(--border-dk);
  flex-shrink: 0;
}
.brand-strip__item:last-child { border-right: none; }

/* Inline SVG icon — stroke only, no fill, no bubble background */
.strip-icon {
  width: 16px; height: 16px;
  stroke: var(--accent); fill: none;
  stroke-width: 2; stroke-linecap: round; stroke-linejoin: round;
  flex-shrink: 0;
}

/* ── ABOUT SPLIT ────────────────────────────── */
.about-split {
  display: grid; grid-template-columns: 5fr 6fr;
  min-height: 660px;
}
.about-split__media { position: relative; overflow: hidden; background: var(--ink); }
.about-split__media img {
  width: 100%; height: 100%; object-fit: cover;
  opacity: 0.78; transition: opacity 0.5s ease;
}
.about-split__media:hover img { opacity: 0.88; }
.about-split__yr {
  position: absolute; bottom: 0; left: 0;
  background: var(--ink); padding: 24px 32px;
  border-top: 2px solid var(--accent); /* accent used as thin accent line only */
}
.about-split__yr-num {
  font-family: var(--display); font-size: 48px;
  font-weight: 800; color: var(--white); line-height: 1;
}
.about-split__yr-label {
  font-size: 10px; font-weight: 600; letter-spacing: 2px;
  text-transform: uppercase; color: rgba(255,255,255,0.32); margin-top: 5px;
}
.about-split__body {
  background: var(--white); padding: 80px 72px;
  display: flex; flex-direction: column; justify-content: center;
}

.feat-list { margin-top: 40px; display: flex; flex-direction: column; }
.feat-item {
  display: flex; gap: 20px; align-items: flex-start;
  padding: 22px 0; border-bottom: 1px solid var(--border);
}
.feat-item:last-child { border-bottom: none; }
/* Icon — line/stroke only, no colored pill background */
.feat-item__icon {
  width: 36px; height: 36px;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0; margin-top: 2px;
}
.feat-item__icon svg {
  width: 22px; height: 22px; stroke: var(--ink-4);
  fill: none; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round;
}
.feat-item__title { font-size: 14px; font-weight: 600; color: var(--ink); margin-bottom: 4px; }
.feat-item__desc  { font-size: 13.5px; color: var(--mid); line-height: 1.65; }

/* ── SYSTEMS ────────────────────────────────── */
.systems-grid {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 1px; background: var(--border);
  border: 1px solid var(--border); border-radius: var(--r-md);
  overflow: hidden; margin-top: 56px;
}
.sys-card {
  background: var(--white); padding: 40px 34px;
  display: flex; flex-direction: column; gap: 12px;
  transition: background 0.24s; position: relative; overflow: hidden;
}
.sys-card:hover { background: var(--surface); }
.sys-card::after {
  content: ''; position: absolute; bottom: 0; left: 0; right: 0;
  height: 2px; background: var(--accent);
  transform: scaleX(0); transform-origin: left;
  transition: transform 0.28s var(--ease);
}
.sys-card:hover::after { transform: scaleX(1); }

.sys-card__num {
  font-size: 10.5px; font-weight: 700;
  letter-spacing: 2px; text-transform: uppercase; color: var(--accent);
}
/* Icon — outline only */
.sys-card__icon { width: 28px; height: 28px; }
.sys-card__icon svg {
  width: 28px; height: 28px; stroke: var(--ink);
  fill: none; stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round;
}
.sys-card__title {
  font-family: var(--sans);
  font-size: 16px; font-weight: 600;
  color: var(--ink); line-height: 1.3;
  letter-spacing: -0.01em;
}
.sys-card__desc { font-size: 13.5px; color: var(--mid); line-height: 1.65; flex: 1; }
.sys-card__link {
  font-size: 13px; font-weight: 600; color: var(--accent);
  display: inline-flex; align-items: center; gap: 6px; transition: gap 0.2s;
}
.sys-card:hover .sys-card__link { gap: 10px; }

/* ── ADVANTAGES — dark section ──────────────── */
.adv-section { background: var(--ink); padding: var(--sec) 0; }
.adv-grid {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 1px; background: var(--border-dk);
  border: 1px solid var(--border-dk); margin-top: 0;
}
.adv-card {
  background: var(--ink); padding: 36px 28px;
  transition: background 0.22s; position: relative;
}
.adv-card::before {
  content: '';
  position: absolute; top: 0; left: 0;
  width: 2px; height: 0; background: var(--accent);
  transition: height 0.3s var(--ease);
}
.adv-card:hover::before { height: 100%; }
.adv-card:hover { background: #161616; }

.adv-card__num {
  font-size: 10.5px; font-weight: 700;
  letter-spacing: 2px; text-transform: uppercase;
  color: var(--accent); margin-bottom: 22px;
}
/* Icon — stroke only on dark */
.adv-card__icon { width: 28px; height: 28px; margin-bottom: 14px; }
.adv-card__icon svg {
  width: 28px; height: 28px; stroke: rgba(255,255,255,0.40);
  fill: none; stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round;
}
.adv-card__title {
  font-family: var(--sans); font-size: 15px;
  font-weight: 600; color: var(--white); margin-bottom: 10px; line-height: 1.3;
  letter-spacing: -0.01em;
}
.adv-card__desc { font-size: 13px; color: rgba(255,255,255,0.35); line-height: 1.7; }

/* ── PATENT BAND — dark, charcoal. Accent = left border only ── */
.patent-band {
  background: var(--ink-3); padding: 72px 0;
  border-top: 1px solid var(--border-dk);
}
.patent-band .container {
  display: flex; align-items: center;
  justify-content: space-between; gap: 48px; flex-wrap: wrap;
}
.patent-band__label {
  font-size: 10.5px; font-weight: 600; letter-spacing: 2.5px;
  text-transform: uppercase; color: rgba(255,255,255,0.28); margin-bottom: 10px;
}
.patent-band__num {
  font-family: var(--display);
  font-size: clamp(34px, 4.5vw, 60px);
  font-weight: 800; color: var(--white);
  letter-spacing: -0.02em; line-height: 1;
  padding-left: 20px;
  border-left: 3px solid var(--accent); /* accent as structural line, never fill */
}
.patent-band__sub {
  font-size: 15px; color: rgba(255,255,255,0.38);
  max-width: 400px; line-height: 1.75; margin-top: 16px;
}
.patent-band__actions { display: flex; flex-direction: column; gap: 12px; align-items: flex-start; }

/* ── PROJECTS ───────────────────────────────── */
.projects-header {
  display: flex; align-items: flex-end;
  justify-content: space-between; margin-bottom: 36px;
  flex-wrap: wrap; gap: 20px;
}
.projects-filter { display: flex; gap: 8px; flex-wrap: wrap; }
.filter-btn {
  padding: 7px 18px; font-size: 12px; font-weight: 600;
  border: 1.5px solid var(--border); border-radius: 100px;
  background: var(--white); color: var(--mid); cursor: pointer; transition: var(--t);
}
.filter-btn.active, .filter-btn:hover {
  background: var(--ink); border-color: var(--ink); color: var(--white);
}
.projects-masonry { columns: 3; column-gap: 14px; }
.project-item {
  break-inside: avoid; margin-bottom: 14px;
  position: relative; overflow: hidden;
  border-radius: var(--r); cursor: pointer; background: var(--ink);
}
.project-item img {
  width: 100%; display: block;
  transition: transform 0.5s var(--ease), opacity 0.28s;
  opacity: 0.88;
}
.project-item:hover img { transform: scale(1.04); opacity: 0.60; }
.project-item__over {
  position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(15,15,15,0.88) 0%, transparent 55%);
  display: flex; align-items: flex-end; padding: 20px;
  opacity: 0; transition: opacity 0.26s var(--ease);
}
.project-item:hover .project-item__over { opacity: 1; }
.project-item__name {
  font-family: var(--display); font-size: 14px;
  font-weight: 700; color: var(--white); line-height: 1.2;
}
.project-item__loc { font-size: 11.5px; color: rgba(255,255,255,0.52); margin-top: 3px; }

/* ── STATS BAND — solid anchored dark section ── */
.stats-band { background: var(--ink-2); }
.stats-band__grid {
  display: grid; grid-template-columns: repeat(4, 1fr);
  border-left: 1px solid var(--border-dk);
}
.stats-band__cell {
  padding: 52px 44px;
  border-right: 1px solid var(--border-dk);
  position: relative;
}
.stats-band__cell:last-child { border-right: none; }
/* Vertical accent rule appears on hover — accent as structural detail */
.stats-band__cell::before {
  content: '';
  position: absolute; top: 0; left: 0;
  width: 2px; height: 0; background: var(--accent);
  transition: height 0.36s var(--ease);
}
.stats-band__cell:hover::before { height: 100%; }
.stats-band__num {
  font-family: var(--display);
  font-size: clamp(44px, 4.5vw, 62px);
  font-weight: 800; color: var(--white);
  line-height: 1; letter-spacing: -0.03em;
}
.stats-band__num sup { font-size: 0.52em; color: var(--accent); }
.stats-band__label {
  font-size: 10.5px; font-weight: 600; letter-spacing: 2px;
  text-transform: uppercase; color: rgba(255,255,255,0.27); margin-top: 12px;
}

/* ── VIDEO SECTION ──────────────────────────── */
.video-section { background: var(--ink-3); padding: var(--sec) 0; }
.video-section .container {
  display: grid; grid-template-columns: 1.1fr 1fr;
  gap: 80px; align-items: center;
}
.video-wrap {
  position: relative; padding-bottom: 56.25%;
  border-radius: var(--r-md); overflow: hidden;
}
.video-wrap iframe { position: absolute; inset: 0; width: 100%; height: 100%; }
.video-chips { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 24px; }
.video-chip {
  padding: 12px 16px;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border-dk);
  border-radius: var(--r); flex: 1; min-width: 76px;
}
.video-chip__val {
  font-family: var(--display); font-size: 22px;
  font-weight: 800; color: var(--white); line-height: 1;
}
.video-chip__key {
  font-size: 9.5px; font-weight: 600; letter-spacing: 1.5px;
  text-transform: uppercase; color: rgba(255,255,255,0.27); margin-top: 5px;
}

/* ── PROCESS ────────────────────────────────── */
.process-steps {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 0; margin-top: 64px; position: relative;
}
.process-steps::before {
  content: '';
  position: absolute; top: 19px; left: 52px; right: 52px;
  height: 1px; background: var(--border); z-index: 0;
}
.process-step { padding: 0 24px; position: relative; z-index: 1; }
.process-step__dot {
  width: 38px; height: 38px; border-radius: 50%;
  border: 2px solid var(--border); background: var(--white);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--display); font-size: 14px;
  font-weight: 700; color: var(--ink); margin-bottom: 24px;
  transition: var(--t);
}
.process-step:hover .process-step__dot {
  border-color: var(--accent); color: var(--accent);
}
.process-step__title {
  font-family: var(--display); font-size: 15px;
  font-weight: 700; color: var(--ink); margin-bottom: 10px;
}
.process-step__desc { font-size: 13px; color: var(--mid); line-height: 1.65; }

/* ── CTA BAND — dark, not colored ──────────── */
.cta-band { background: var(--ink-2); padding: 80px 0; }
.cta-band .container {
  display: grid; grid-template-columns: 1fr auto;
  align-items: center; gap: 40px;
}

/* ── PAGE HERO (inner pages) ────────────────── */
.page-hero { background: var(--ink); padding: 80px 0 72px; position: relative; overflow: hidden; }
.page-hero__bg { position: absolute; inset: 0; opacity: 0.10; background-size: cover; background-position: center; }
.page-hero .container { position: relative; z-index: 1; }
.page-hero__title {
  font-family: var(--display);
  font-size: clamp(34px, 5vw, 62px);
  font-weight: 800; color: var(--white);
  letter-spacing: -0.025em; line-height: 1.05;
  margin: 12px 0 16px;
}
.page-hero__sub { font-size: 16px; color: rgba(255,255,255,0.42); max-width: 520px; line-height: 1.78; }
.breadcrumb {
  display: flex; gap: 8px; align-items: center;
  font-size: 11.5px; color: rgba(255,255,255,0.25);
}
.breadcrumb a { color: rgba(255,255,255,0.52); transition: color 0.2s; }
.breadcrumb a:hover { color: rgba(255,255,255,0.80); }

/* ── CONTACT FORM ───────────────────────────── */
.form-group { margin-bottom: 20px; }
.form-group label {
  display: block; font-size: 10.5px; font-weight: 600;
  letter-spacing: 1px; text-transform: uppercase; color: var(--mid); margin-bottom: 7px;
}
.form-group input,
.form-group textarea,
.form-group select {
  width: 100%; padding: 13px 16px;
  border: 1.5px solid var(--border); border-radius: var(--r);
  font-family: var(--sans); font-size: 15px; color: var(--ink);
  transition: var(--t); background: var(--white);
}
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--ink);
  box-shadow: 0 0 0 3px rgba(15,15,15,0.05);
}
.form-group textarea { resize: vertical; min-height: 130px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }

/* ── FOOTER ─────────────────────────────────── */
.footer { background: var(--ink); color: rgba(255,255,255,0.36); border-top: 1px solid var(--border-dk); }
.footer__main { padding: 80px 0; }
.footer__grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 56px; }
.footer__brand p { font-size: 13.5px; line-height: 1.8; max-width: 260px; margin-top: 20px; }
.footer__heading {
  font-size: 10.5px; font-weight: 700; letter-spacing: 2px;
  text-transform: uppercase; color: rgba(255,255,255,0.50); margin-bottom: 20px;
}
.footer__links { list-style: none; display: flex; flex-direction: column; gap: 12px; }
.footer__links a { font-size: 13.5px; color: rgba(255,255,255,0.36); transition: color 0.2s; }
.footer__links a:hover { color: rgba(255,255,255,0.82); }
.footer__bottom { border-top: 1px solid var(--border-dk); padding: 24px 0; }
.footer__bottom .container {
  display: flex; align-items: center;
  justify-content: space-between; flex-wrap: wrap; gap: 12px;
}
.footer__copy { font-size: 12px; color: rgba(255,255,255,0.22); }
.footer__patent { font-size: 12px; color: var(--cream); font-weight: 500; letter-spacing: 0.3px; }

/* ── LIGHTBOX ───────────────────────────────── */
.lightbox {
  display: none; position: fixed; inset: 0;
  background: rgba(0,0,0,0.97); z-index: 9999;
  align-items: center; justify-content: center;
}
.lightbox.open { display: flex; }
.lightbox__img { max-width: 90vw; max-height: 88vh; object-fit: contain; border-radius: var(--r); }
.lightbox__close {
  position: absolute; top: 24px; right: 32px;
  font-size: 30px; color: rgba(255,255,255,0.50);
  cursor: pointer; background: none; border: none; line-height: 1; transition: color 0.2s;
}
.lightbox__close:hover { color: var(--white); }
.lightbox__nav {
  position: absolute; top: 50%; transform: translateY(-50%);
  background: rgba(255,255,255,0.07); border: none;
  color: rgba(255,255,255,0.65); font-size: 24px;
  width: 48px; height: 48px; border-radius: 50%;
  cursor: pointer; display: flex; align-items: center; justify-content: center;
  transition: var(--t);
}
.lightbox__nav:hover { background: rgba(255,255,255,0.14); color: var(--white); }
.lightbox__prev { left: 24px; }
.lightbox__next { right: 24px; }

/* ── SCROLL REVEAL ──────────────────────────── */
.reveal { opacity: 0; transform: translateY(22px); transition: opacity 0.6s var(--ease), transform 0.6s var(--ease); }
.reveal.visible { opacity: 1; transform: none; }
.reveal-d1 { transition-delay: 0.07s; }
.reveal-d2 { transition-delay: 0.14s; }
.reveal-d3 { transition-delay: 0.21s; }
.reveal-d4 { transition-delay: 0.28s; }

/* ── RESPONSIVE ─────────────────────────────── */
@media (max-width: 1100px) {
  .footer__grid { grid-template-columns: 1fr 1fr; }
  .adv-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 960px) {
  .about-split { grid-template-columns: 1fr; min-height: auto; }
  .about-split__media { height: 400px; }
  .about-split__body { padding: 60px 40px; }
  .video-section .container { grid-template-columns: 1fr; }
  .stat-anchor__grid { grid-template-columns: 1fr 1fr; }
  .stats-band__grid { grid-template-columns: 1fr 1fr; }
  .systems-grid { grid-template-columns: 1fr 1fr; }
  .process-steps { grid-template-columns: 1fr 1fr; gap: 32px; }
  .process-steps::before { display: none; }
  .cta-band .container { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
  :root { --sec: 64px; --pad: 20px; }
  .topbar { display: none; }
  .hamburger { display: flex; }
  .navbar__nav, .navbar__cta {
    display: none; position: absolute;
    top: 70px; left: 0; right: 0;
    background: var(--white); border-top: 1px solid var(--border);
    padding: 12px 20px; box-shadow: var(--sh);
    flex-direction: column; align-items: stretch; gap: 0;
  }
  .navbar__nav.open, .navbar__cta.open { display: flex; }
  .navbar__nav > li > a { padding: 13px 0; border-bottom: 1px solid var(--border); border-radius: 0; }
  .navbar__nav > li > a.active::after { display: none; }
  .navbar__cta { display: none; padding: 12px 20px 20px; }
  .navbar__cta.open { display: block; }
  .dropdown-menu { position: static; box-shadow: none; border: none; padding: 0 0 0 12px; }
  .hero__title { font-size: 44px; }
  .systems-grid { grid-template-columns: 1fr; }
  .adv-grid { grid-template-columns: 1fr 1fr; }
  .projects-masonry { columns: 1; }
  .footer__grid { grid-template-columns: 1fr; gap: 32px; }
  .form-row { grid-template-columns: 1fr; }
  .patent-band .container { flex-direction: column; gap: 28px; }
  .hero__actions { flex-direction: column; }
  .stat-anchor__cell { padding: 22px 24px; }
  .stats-band__cell { padding: 36px 28px; }
}
@media (max-width: 500px) {
  .adv-grid { grid-template-columns: 1fr; }
  .stat-anchor__grid { grid-template-columns: 1fr 1fr; }
  .stats-band__grid { grid-template-columns: 1fr 1fr; }
}