/* ============================================================
   Cocodrilo Studio - design system
   ============================================================ */
:root {
  /* Color */
  --bg:         #FBFAF7;   /* warm paper */
  --bg-alt:     #F1F0EA;   /* alternating ribbon band */
  --surface:    #FFFFFF;
  --ink:        #14181A;   /* near-black text */
  --ink-2:      #424B4E;   /* secondary text */
  --muted:      #6B7478;
  --line:       rgba(20, 24, 26, .12);
  --line-soft:  rgba(20, 24, 26, .07);
  --accent:     #1F5C43;   /* cocodrilo deep green */
  --accent-2:   #3E9C74;   /* lighter green for gradients */
  --accent-hover:#184A36;
  --accent-tint:#E8F0EB;

  /* Type */
  --font-body: "Inter", system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  --font-head: "Space Grotesk", var(--font-body);

  /* Spacing / shape */
  --nav-h: 68px;
  --container: 1140px;
  --r-sm: 10px;
  --r:    16px;
  --r-lg: 24px;
  --shadow: 0 1px 2px rgba(20,24,26,.04), 0 12px 30px rgba(20,24,26,.06);
  --shadow-lg: 0 24px 60px rgba(20,24,26,.12);

  --ease: cubic-bezier(.2, .7, .2, 1);
}

/* ----------------------- Reset / base ----------------------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.65;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
h1, h2, h3, h4 { font-family: var(--font-head); line-height: 1.1; margin: 0; letter-spacing: -.02em; }
p { margin: 0; }
a { color: inherit; text-decoration: none; }
img, svg { display: block; max-width: 100%; }
code { font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace; font-size: .9em; background: var(--accent-tint); color: var(--accent); padding: .08em .4em; border-radius: 5px; }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; border-radius: 4px; }

.container { width: 100%; max-width: var(--container); margin-inline: auto; padding-inline: clamp(20px, 5vw, 40px); }

.skip-link {
  position: absolute; left: 12px; top: -60px; z-index: 200;
  background: var(--ink); color: #fff; padding: 10px 16px; border-radius: 8px;
  transition: top .2s var(--ease);
}
.skip-link:focus { top: 12px; }


/* ----------------------- Buttons ----------------------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  font-family: var(--font-head); font-weight: 600; font-size: .98rem;
  padding: 13px 24px; border-radius: 999px; border: 1px solid transparent;
  cursor: pointer; transition: transform .15s var(--ease), background .2s var(--ease), color .2s var(--ease), border-color .2s var(--ease);
  white-space: nowrap;
}
.btn:active { transform: translateY(1px) scale(.99); }
.btn--primary { background: var(--accent); color: #fff; }
.btn--primary:hover { background: var(--accent-hover); }
.btn--ghost { background: transparent; color: var(--ink); border-color: var(--line); }
.btn--ghost:hover { border-color: var(--ink); background: rgba(20,24,26,.03); }
.btn--sm { padding: 9px 18px; font-size: .9rem; }
.btn--block { width: 100%; }

.eyebrow {
  font-family: var(--font-head); font-weight: 600; font-size: .8rem;
  letter-spacing: .16em; text-transform: uppercase; color: var(--accent); margin-bottom: 14px;
}

/* ----------------------- Nav ----------------------- */
.nav {
  position: sticky; top: 0; z-index: 100;
  background: rgba(251, 250, 247, .8);
  backdrop-filter: saturate(160%) blur(12px);
  -webkit-backdrop-filter: saturate(160%) blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color .3s var(--ease), box-shadow .3s var(--ease);
}
.nav.is-scrolled { border-color: var(--line-soft); box-shadow: 0 6px 24px rgba(20,24,26,.05); }
.nav__inner { display: flex; align-items: center; justify-content: space-between; height: var(--nav-h); }

.brand { display: inline-flex; align-items: center; gap: 10px; color: var(--ink); }
.brand__mark { color: var(--accent); flex: none; }
.brand__text { font-family: var(--font-head); font-weight: 700; font-size: 1.18rem; letter-spacing: -.02em; display: inline-flex; align-items: baseline; gap: 7px; }
.brand__sub { font-size: .62rem; letter-spacing: .22em; color: var(--muted); font-weight: 600; }

.nav__links { display: flex; align-items: center; gap: 8px; }
.nav__link { font-weight: 500; color: var(--ink-2); padding: 8px 14px; border-radius: 999px; transition: color .2s var(--ease), background .2s var(--ease); }
.nav__link:hover { color: var(--ink); background: rgba(20,24,26,.04); }
.nav__link.is-active { color: var(--accent); }
.nav__cta { margin-left: 8px; }

.nav__toggle { display: none; flex-direction: column; gap: 5px; background: none; border: 0; padding: 10px; cursor: pointer; }
.nav__toggle span { width: 22px; height: 2px; background: var(--ink); border-radius: 2px; transition: transform .25s var(--ease), opacity .2s var(--ease); }
.nav__toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav__toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav__toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ----------------------- Hero ----------------------- */
.hero { position: relative; overflow: hidden; padding-block: clamp(48px, 9vw, 104px); }
.hero::after {
  content: ""; position: absolute; inset: auto -20% -40% 50%; height: 520px;
  background: radial-gradient(closest-side, rgba(62,156,116,.16), transparent 70%);
  pointer-events: none; z-index: 0;
}
.hero__inner { position: relative; z-index: 1; display: grid; grid-template-columns: 1.05fr .95fr; gap: clamp(28px, 5vw, 64px); align-items: center; }
.hero__title { font-size: clamp(2.4rem, 6vw, 4.1rem); font-weight: 700; }
.hero__title .accent { color: var(--accent); }
.hero__lead { margin-top: 22px; font-size: clamp(1.02rem, 1.6vw, 1.18rem); color: var(--ink-2); max-width: 34ch; }
.hero__actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 30px; }
.hero__stats { display: flex; gap: clamp(20px, 4vw, 44px); margin: 44px 0 0; padding-top: 28px; border-top: 1px solid var(--line); }
.hero__stats dt { font-family: var(--font-head); font-weight: 700; font-size: 2rem; color: var(--ink); }
.hero__stats dd { margin: 2px 0 0; font-size: .86rem; color: var(--muted); max-width: 14ch; }

.hero__art { position: relative; }
.truss { width: 100%; height: auto; filter: drop-shadow(0 20px 40px rgba(31,92,67,.18)); }
.hero__scroll { position: absolute; bottom: 18px; left: 50%; transform: translateX(-50%); font-family: var(--font-head); font-size: .72rem; letter-spacing: .25em; text-transform: uppercase; color: var(--muted); }
.hero__scroll::after { content: ""; display: block; width: 1px; height: 28px; margin: 8px auto 0; background: linear-gradient(var(--muted), transparent); }

/* ----------------------- Ribbon / sections ----------------------- */
.ribbon { padding-block: clamp(64px, 10vw, 120px); scroll-margin-top: var(--nav-h); }
.ribbon--alt { background: var(--bg-alt); }
.ribbon--accent { background: var(--accent-tint); }
.hero, #home { scroll-margin-top: var(--nav-h); }

.section-head { max-width: 720px; margin-bottom: clamp(36px, 6vw, 60px); }
.section-head--sub { margin-top: clamp(30px, 5vw, 56px); }
.section-head--sub .section-title { font-size: clamp(1.5rem, 3vw, 2.1rem); }
.section-title { font-size: clamp(1.8rem, 4vw, 2.8rem); font-weight: 700; }
.section-lead { margin-top: 16px; font-size: 1.08rem; color: var(--ink-2); }

/* ----------------------- Cards grid (solutions) ----------------------- */
.grid--cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.card {
  background: var(--surface); border: 1px solid var(--line-soft); border-radius: var(--r);
  padding: 28px; box-shadow: var(--shadow); transition: transform .25s var(--ease), box-shadow .25s var(--ease), border-color .25s var(--ease);
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: var(--line); }
.card__icon { display: inline-flex; align-items: center; justify-content: center; width: 46px; height: 46px; border-radius: 12px; background: var(--accent-tint); color: var(--accent); margin-bottom: 18px; }
.card h3 { font-size: 1.22rem; margin-bottom: 10px; }
.card p { color: var(--ink-2); font-size: .96rem; }
.tag { display: inline-block; margin-top: 16px; font-family: var(--font-head); font-size: .74rem; font-weight: 600; letter-spacing: .04em; color: var(--muted); background: rgba(20,24,26,.04); padding: 5px 11px; border-radius: 999px; }

/* Home page: section link cards */
.card--link { text-decoration: none; color: inherit; }
.card--link .card__go { display: inline-flex; align-items: center; gap: 6px; margin-top: 18px; font-family: var(--font-head); font-weight: 600; font-size: .9rem; color: var(--accent); }
.card--link .card__go svg { transition: transform .2s var(--ease); }
.card--link:hover .card__go svg { transform: translateX(3px); }

/* ----------------------- Publications ----------------------- */
.pubs { list-style: none; margin: 40px 0 0; padding: 0; display: grid; gap: 14px; }
.pub__link {
  display: flex; align-items: center; gap: 24px; flex-wrap: wrap;
  background: var(--surface); border: 1px solid var(--line-soft); border-radius: var(--r);
  padding: 22px 26px; box-shadow: var(--shadow);
  transition: transform .2s var(--ease), box-shadow .2s var(--ease), border-color .2s var(--ease);
}
.pub__link:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg); border-color: var(--line); }
.pub__body { flex: 1 1 60%; min-width: 0; }
.pub__meta { display: block; font-family: var(--font-head); font-size: .74rem; font-weight: 600; letter-spacing: .05em; text-transform: uppercase; color: var(--accent); }
.pub__title { margin-top: 8px; font-size: 1.1rem; font-weight: 600; color: var(--ink); line-height: 1.28; }
.pub__go { display: inline-flex; align-items: center; gap: 6px; margin-left: auto; flex: none; font-family: var(--font-head); font-weight: 600; font-size: .86rem; color: var(--accent); white-space: nowrap; }
.pub__go svg { transition: transform .2s var(--ease); }
.pub__link:hover .pub__go svg { transform: translate(2px, -2px); }
@media (max-width: 560px) { .pub__go { margin-left: 0; } }

/* ----------------------- Download ----------------------- */
.download { margin-top: 40px; max-width: 780px; }
.download__steps { margin: 0; padding: 0; display: grid; gap: 16px; }
.download__step {
  display: flex; gap: 18px; align-items: flex-start;
  background: var(--surface); border: 1px solid var(--line-soft); border-radius: var(--r);
  padding: 22px 24px; box-shadow: var(--shadow);
}
.download__num { flex: none; display: inline-grid; place-items: center; width: 38px; height: 38px; border-radius: 50%; background: var(--accent-tint); color: var(--accent); font-family: var(--font-head); font-weight: 700; }
.download__step-body h3 { font-size: 1.06rem; }
.download__step-body p { margin-top: 6px; color: var(--ink-2); font-size: .96rem; }
.download__note { display: flex; align-items: center; gap: 11px; margin-top: 22px; padding: 14px 18px; border-radius: var(--r); background: var(--accent-tint); color: var(--accent); font-size: .92rem; }
.download__note svg { flex: none; }
.download__note--free { margin-top: 0; margin-bottom: 22px; background: var(--accent); color: #fff; }
.download__note--free strong { font-weight: 700; }
.download__f4r { margin: 0 0 14px; font-size: .92rem; color: var(--ink-2); }
.download__f4r a { display: inline-flex; align-items: center; gap: 4px; font-weight: 600; color: var(--accent); }
.download__f4r a:hover { color: var(--accent-hover); }

/* ----------------------- Download page: connect Claude ----------------------- */
.ai-benefits { list-style: none; margin: 40px 0 0; padding: 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.ai-benefits li { display: flex; gap: 14px; }
.ai-benefits__icon { flex: none; display: inline-grid; place-items: center; width: 44px; height: 44px; border-radius: 12px; background: var(--accent-tint); color: var(--accent); }
.ai-benefits h3 { font-size: 1.02rem; }
.ai-benefits p { margin-top: 5px; color: var(--ink-2); font-size: .92rem; }
.ai-lead { max-width: 72ch; margin: 40px 0 0; color: var(--ink-2); }
.ai-options { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; margin-top: 26px; align-items: start; }
.ai-option { background: var(--surface); border: 1px solid var(--line-soft); border-radius: var(--r); padding: 26px 28px; box-shadow: var(--shadow); }
.ai-option__label { display: inline-block; font-family: var(--font-head); font-weight: 600; font-size: .72rem; letter-spacing: .06em; text-transform: uppercase; color: var(--accent); background: var(--accent-tint); padding: 4px 11px; border-radius: 999px; }
.ai-option > h3 { margin-top: 14px; font-size: 1.24rem; }
.ai-option__why { margin-top: 10px; color: var(--ink-2); font-size: .96rem; }
.ai-option .download__steps { margin-top: 20px; }
.ai-option .download__step { background: var(--bg-alt); box-shadow: none; padding: 15px 18px; }
.ai-option .download__note { margin-top: 16px; }
@media (max-width: 820px) { .ai-benefits { grid-template-columns: 1fr; } .ai-options { grid-template-columns: 1fr; } }

/* ----------------------- AI assistant demo ----------------------- */
.aidemo { margin-top: 44px; background: var(--surface); border: 1px solid var(--line); border-radius: var(--r-lg); overflow: hidden; box-shadow: var(--shadow-lg); }
.aidemo__bar { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 12px 16px; border-bottom: 1px solid var(--line-soft); }
.aidemo__toggle { display: inline-flex; background: var(--bg-alt); border-radius: 999px; padding: 3px; }
.aidemo__tab { font-family: var(--font-head); font-weight: 600; font-size: .85rem; color: var(--ink-2); background: transparent; border: 0; border-radius: 999px; padding: 7px 17px; cursor: pointer; transition: background .2s var(--ease), color .2s var(--ease); }
.aidemo__tab:hover { color: var(--ink); }
.aidemo__tab.is-active { background: var(--accent); color: #fff; }
.aidemo__soon { font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace; font-size: .7rem; letter-spacing: .06em; color: var(--muted); }
.aidemo__grid { display: grid; grid-template-columns: 0.9fr 1.1fr; }
.aidemo__chat { display: flex; flex-direction: column; gap: 18px; padding: 26px 24px; border-right: 1px solid var(--line-soft); min-height: 440px; }
.aidemo__msg { display: flex; flex-direction: column; gap: 6px; max-width: 92%; }
.aidemo__msg--user { align-self: flex-end; align-items: flex-end; }
.aidemo__msg--bot { align-self: flex-start; }
.aidemo__who { font-family: var(--font-head); font-size: .68rem; font-weight: 600; letter-spacing: .08em; text-transform: uppercase; color: var(--muted); }
.aidemo__msg p { margin: 0; padding: 12px 15px; border-radius: 15px; font-size: .95rem; line-height: 1.55; }
.aidemo__msg--user p { background: var(--accent); color: #fff; border-bottom-right-radius: 5px; }
.aidemo__msg--bot p { background: var(--bg-alt); color: var(--ink); border-bottom-left-radius: 5px; }
.aidemo__msg--bot p:empty { display: none; }
.aidemo__stage { position: relative; background: linear-gradient(180deg, #ffffff, #f3f4f1); min-height: 440px; }
.aidemo__stage canvas { position: absolute; inset: 0; width: 100% !important; height: 100% !important; display: block; touch-action: none; cursor: grab; }
.aidemo__stage canvas:active { cursor: grabbing; }
@media (max-width: 820px) {
  .aidemo__grid { grid-template-columns: 1fr; }
  .aidemo__chat { border-right: 0; border-bottom: 1px solid var(--line-soft); min-height: 0; }
  .aidemo__stage { min-height: 320px; }
}

/* ----------------------- Services ----------------------- */
.services { display: grid; }
.service {
  display: grid; grid-template-columns: auto 1fr; gap: clamp(18px, 3vw, 32px);
  align-items: start; padding-block: clamp(28px, 4vw, 44px); border-top: 1px solid var(--line);
}
.service:last-of-type { border-bottom: 1px solid var(--line); }
.service__index { display: flex; align-items: center; gap: 18px; }
.service__no { font-family: var(--font-head); font-weight: 700; font-size: clamp(2rem, 4vw, 2.7rem); color: var(--accent); opacity: .35; line-height: 1; }
.service__icon { display: inline-grid; place-items: center; width: 54px; height: 54px; border-radius: 14px; background: var(--accent-tint); color: var(--accent); flex: none; }
.service__body h3 { font-size: clamp(1.3rem, 2.4vw, 1.6rem); margin-bottom: 12px; }
.service__body p { color: var(--ink-2); max-width: 62ch; }
.service__tags { list-style: none; display: flex; flex-wrap: wrap; gap: 8px; padding: 0; margin: 18px 0 0; }
.service__tags li { font-family: var(--font-head); font-size: .8rem; font-weight: 600; color: var(--accent); background: var(--accent-tint); padding: 5px 12px; border-radius: 999px; }
.service__link { display: inline-flex; align-items: center; gap: 7px; margin-top: 18px; font-family: var(--font-head); font-weight: 600; color: var(--accent); }
.service__link svg { transition: transform .2s var(--ease); }
.service__link:hover { color: var(--accent-hover); }
.service__link:hover svg { transform: translateX(3px); }
.services__cta { margin-top: clamp(32px, 5vw, 48px); }

/* ----------------------- Interoperability (BIM ↔ GH ↔ FEM) ----------------------- */
.interop { margin-top: clamp(40px, 6vw, 64px); padding-top: clamp(36px, 5vw, 52px); border-top: 1px solid var(--line); }
.interop__head { max-width: 760px; margin-bottom: clamp(28px, 4vw, 40px); }
.interop__head h3 { font-size: clamp(1.4rem, 2.8vw, 2rem); margin-top: 4px; }
.interop__head p { margin-top: 14px; color: var(--ink-2); }

.interop__flow { display: grid; grid-template-columns: 1fr auto 1.15fr auto 1fr; gap: clamp(10px, 1.6vw, 22px); align-items: stretch; }

.interop__col {
  background: var(--surface); border: 1px solid var(--line-soft); border-radius: var(--r-lg);
  padding: 24px; box-shadow: var(--shadow); display: flex; flex-direction: column; gap: 14px;
}
.interop__col-label { font-family: var(--font-head); font-weight: 600; font-size: .76rem; letter-spacing: .18em; text-transform: uppercase; color: var(--muted); }
.interop__chips { list-style: none; padding: 0; margin: 0; display: flex; flex-wrap: wrap; gap: 8px; }
.interop__chips li { font-family: var(--font-head); font-weight: 600; font-size: .85rem; color: var(--ink); background: var(--bg-alt); border: 1px solid var(--line-soft); padding: 7px 12px; border-radius: 999px; }
.interop__col-note { margin-top: auto; font-size: .82rem; color: var(--muted); }

.interop__hub {
  background: var(--accent); color: #fff; border-radius: var(--r-lg); padding: 28px 24px;
  display: flex; flex-direction: column; justify-content: center; gap: 8px; text-align: center;
  box-shadow: var(--shadow-lg);
}
.interop__hub-badge { font-family: var(--font-head); font-weight: 600; font-size: .72rem; letter-spacing: .2em; text-transform: uppercase; color: var(--accent-tint); }
.interop__hub h4 { font-size: clamp(1.2rem, 2vw, 1.5rem); color: #fff; }
.interop__hub p { font-size: .86rem; line-height: 1.55; color: rgba(255, 255, 255, .85); }
.interop__hub-foot { margin-top: 6px; font-family: var(--font-head); font-weight: 600; font-size: .74rem; color: rgba(255, 255, 255, .72); }

.interop__link { display: flex; align-items: center; justify-content: center; color: var(--accent); }
.interop__link svg { width: 100%; min-width: 38px; max-width: 64px; height: auto; }

.interop__note { margin-top: 20px; text-align: center; font-family: var(--font-head); font-weight: 500; font-size: .85rem; letter-spacing: .02em; color: var(--muted); }

@media (max-width: 860px) {
  .interop__flow { grid-template-columns: 1fr; gap: 0; max-width: 560px; margin-inline: auto; }
  .interop__link { padding: 6px 0; }
  .interop__link svg { width: 44px; transform: rotate(90deg); }
}

/* ----------------------- Case studies ----------------------- */
.coming-soon { max-width: 640px; margin: 0 auto; text-align: center; background: var(--surface); border: 1px solid var(--line); border-radius: var(--r-lg); padding: clamp(40px, 6vw, 64px) 32px; box-shadow: var(--shadow); }
.coming-soon__badge { display: inline-block; font-family: var(--font-head); font-weight: 600; font-size: .74rem; letter-spacing: .16em; text-transform: uppercase; color: var(--accent); background: var(--accent-tint); padding: 6px 14px; border-radius: 999px; }
.coming-soon__title { font-size: clamp(1.5rem, 3.5vw, 2.1rem); margin-top: 18px; }
.coming-soon__text { color: var(--ink-2); margin-top: 12px; }
.coming-soon__text a { color: var(--accent); font-weight: 500; }
.coming-soon__text a:hover { text-decoration: underline; }

/* Live 3D model viewer */
.model-viewer { margin: 0; }
.mv__frame { background: var(--surface); border: 1px solid var(--line); border-radius: var(--r-lg); overflow: hidden; box-shadow: var(--shadow-lg); }
.mv__topbar { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 12px 18px; border-bottom: 1px solid var(--line-soft); font-family: var(--font-head); font-weight: 600; font-size: .72rem; letter-spacing: .12em; color: var(--muted); }
.mv__chip { display: inline-flex; align-items: center; gap: 7px; color: var(--accent); }
.mv__stage { position: relative; aspect-ratio: 16 / 10; background: linear-gradient(180deg, #ffffff, #f5f5f0); overflow: hidden; }
.mv__stage canvas { position: absolute; inset: 0; width: 100% !important; height: 100% !important; display: block; touch-action: none; cursor: grab; }
.mv__stage canvas:active { cursor: grabbing; }
.mv__hint { position: absolute; bottom: 12px; right: 16px; font-size: .74rem; color: var(--muted); pointer-events: none; }
.mv__fallback { position: absolute; inset: 0; display: grid; place-items: center; color: var(--muted); font-size: .95rem; padding: 20px; text-align: center; }
/* Mesh-viewer controls */
.mv__bar { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 14px; padding: 12px 18px; border-top: 1px solid var(--line-soft); }
.mv__ctrls { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.mv__group { display: inline-flex; background: var(--bg-alt); border-radius: 999px; padding: 3px; }
.mv__btn {
  font-family: var(--font-head); font-weight: 600; font-size: .8rem; color: var(--ink-2);
  background: transparent; border: 0; border-radius: 999px; padding: 6px 14px; cursor: pointer;
  transition: background .2s var(--ease), color .2s var(--ease);
}
.mv__btn:hover { color: var(--ink); }
.mv__btn.is-active { background: var(--accent); color: #fff; }
.mv__btn--play { background: var(--accent); color: #fff; padding: 7px 18px; }
.mv__btn--play:hover { background: var(--accent-hover); color: #fff; }
.mv__slider { display: inline-flex; align-items: center; gap: 10px; }
.mv__slider-label { font-family: var(--font-head); font-size: .78rem; color: var(--muted); white-space: nowrap; }
.mv__slider-label b { color: var(--accent); font-variant-numeric: tabular-nums; }
.mv__slider input[type="range"] { width: 130px; accent-color: var(--accent); cursor: pointer; }
.mv__stats { padding: 0 18px 14px; margin: 0; font-size: .82rem; color: var(--muted); font-variant-numeric: tabular-nums; }
.mv__stats b { color: var(--ink); font-weight: 600; }
.mv__stage.is-loading::after {
  content: ""; position: absolute; top: 12px; left: 16px; width: 14px; height: 14px;
  border: 2px solid var(--line); border-top-color: var(--accent); border-radius: 50%;
  animation: mvspin .7s linear infinite;
}
@keyframes mvspin { to { transform: rotate(360deg); } }
@media (max-width: 620px) { .mv__bar { flex-direction: column; align-items: stretch; } }

/* Exchange-target tabs */
.mv__bar--tools { justify-content: flex-start; }
.tool-tabs { display: flex; flex-wrap: wrap; gap: 8px; }
.tool-tab {
  display: inline-flex; align-items: center; gap: 9px;
  background: var(--surface); border: 1px solid var(--line); border-radius: 999px;
  padding: 6px 15px 6px 7px; cursor: pointer; color: var(--ink-2);
  font-family: var(--font-head); font-weight: 600; font-size: .84rem;
  transition: border-color .2s var(--ease), color .2s var(--ease), background .2s var(--ease), transform .15s var(--ease);
}
.tool-tab:hover { border-color: var(--ink); color: var(--ink); transform: translateY(-1px); }
.tool-tab__mark {
  display: inline-grid; place-items: center; width: 30px; height: 30px; flex: none;
  border-radius: 50%; background: var(--bg-alt); color: var(--ink-2);
  font-size: .56rem; font-weight: 700; letter-spacing: .02em; overflow: hidden;
}
.tool-tab__mark img { width: 100%; height: 100%; object-fit: contain; }
.tool-tab.is-active { background: var(--accent); border-color: var(--accent); color: #fff; }
.tool-tab.is-active .tool-tab__mark { background: rgba(255,255,255,.18); color: #fff; }
.tool-tab--soon { cursor: default; border-style: dashed; color: var(--muted); }
.tool-tab--soon:hover { transform: none; border-color: var(--line); color: var(--muted); }
.mv__stage.is-dark { background: #0b0b0d; }
.mv__stage.is-dark .mv__hint { color: rgba(255,255,255,.55); }
@media (max-width: 560px) { .tool-tab__name { display: none; } .tool-tab { padding: 6px; } }

/* Object-attributes read-out (interop / ETABS) */
.attr-panel {
  position: absolute; top: 16px; right: 16px; width: min(250px, 46%);
  background: rgba(255,255,255,.92); backdrop-filter: blur(6px); -webkit-backdrop-filter: blur(6px);
  border: 1px solid var(--line); border-radius: 12px; box-shadow: var(--shadow);
  padding: 12px 14px; display: none; pointer-events: none;
}
.attr-panel.is-shown { display: block; }
.attr-panel__head { font-family: var(--font-head); font-weight: 600; font-size: .62rem; letter-spacing: .12em; text-transform: uppercase; color: var(--muted); margin-bottom: 9px; }
.attr-list { margin: 0; padding: 0; display: grid; gap: 6px; }
.attr { display: flex; align-items: baseline; justify-content: space-between; gap: 10px; }
.attr dt { display: inline-flex; align-items: center; gap: 7px; margin: 0; font-size: .78rem; color: var(--ink-2); }
.attr dd { margin: 0; font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace; font-size: .78rem; font-weight: 600; color: var(--ink); white-space: nowrap; }
.attr__dot { width: 9px; height: 9px; flex: none; border-radius: 50%; border: 2px solid #e0a92e; background: #fff; }
@media (max-width: 620px) { .attr-panel { display: none !important; } }

/* Integrations constellation */
.integrations { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(28px, 5vw, 64px); align-items: center; }
.eyebrow--icon { display: inline-flex; align-items: center; gap: 8px; }
.integrations__chip {
  display: inline-block; margin: 26px 0 22px; padding: 7px 14px;
  border: 1px solid var(--line); border-radius: 8px;
  font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  font-size: .72rem; letter-spacing: .08em; color: var(--muted);
}
.orbit {
  position: relative; aspect-ratio: 1; width: 100%; max-width: 440px; margin-inline: auto;
}
.orbit__links { position: absolute; inset: 0; width: 100%; height: 100%; color: var(--line); }
.orbit__node {
  position: absolute; transform: translate(-50%, -50%);
  display: grid; place-items: center; width: 66px; height: 66px;
  background: var(--surface); border: 1px solid var(--line-soft); border-radius: 50%;
  box-shadow: var(--shadow); color: var(--ink-2);
  font-family: var(--font-head); font-weight: 700; font-size: .64rem; letter-spacing: .02em;
}
.orbit__node--hub {
  top: 50%; left: 50%; width: 92px; height: 92px;
  color: var(--accent); border: 2px solid var(--accent); box-shadow: 0 0 0 6px var(--accent-tint), var(--shadow-lg);
}
.orbit__node--soon { border-style: dashed; color: var(--muted); box-shadow: none; background: transparent; }
.orbit__mark { display: grid; place-items: center; width: 100%; height: 100%; }
.orbit__mark img { width: 60%; height: 60%; object-fit: contain; }
@media (max-width: 860px) {
  .integrations { grid-template-columns: 1fr; }
  .orbit { max-width: 360px; }
}

.model-viewer__cap { margin-top: 24px; max-width: 640px; }
.model-viewer__cap h3 { font-size: clamp(1.3rem, 2.4vw, 1.7rem); margin-top: 10px; }
.model-viewer__cap p { color: var(--ink-2); margin-top: 10px; }
.cases-note { text-align: center; color: var(--muted); margin-top: clamp(28px, 4vw, 44px); }
.cases-note a { color: var(--accent); }
.cases-note a:hover { text-decoration: underline; }

/* ----------------------- Community ----------------------- */
.community { display: grid; grid-template-columns: repeat(2, 1fr); gap: 26px; }
.community-card {
  background: var(--surface); border: 1px solid var(--line-soft); border-radius: var(--r-lg);
  padding: 32px; box-shadow: var(--shadow); display: flex; flex-direction: column; align-items: flex-start;
}
.community-card__region { font-family: var(--font-head); font-weight: 600; font-size: .74rem; letter-spacing: .12em; text-transform: uppercase; color: var(--accent); }
.community-card h3 { font-size: 1.3rem; margin-top: 8px; }
.community-card p { color: var(--ink-2); margin: 14px 0 24px; }
.community-card .btn { margin-top: auto; }

.community-posts { margin-top: clamp(40px, 6vw, 64px); }
.community-posts__head { display: flex; flex-wrap: wrap; gap: 10px 20px; align-items: baseline; justify-content: space-between; margin-bottom: 20px; }
.community-posts__title { font-size: 1.2rem; }
.community-posts__all { font-family: var(--font-head); font-weight: 600; font-size: .88rem; color: var(--accent); }
.community-posts__all:hover { text-decoration: underline; }
.post-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.post-card {
  display: flex; flex-direction: column; gap: 10px; text-decoration: none; color: inherit;
  background: var(--surface); border: 1px solid var(--line-soft); border-radius: var(--r); padding: 22px;
  box-shadow: var(--shadow); transition: transform .2s var(--ease), box-shadow .2s var(--ease), border-color .2s var(--ease);
}
.post-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg); border-color: var(--line); }
.post-card__meta { font-family: var(--font-head); font-weight: 600; font-size: .72rem; letter-spacing: .04em; color: var(--muted); }
.post-card__text { color: var(--ink-2); font-size: .95rem; }
.post-card__link { margin-top: auto; color: var(--accent); font-family: var(--font-head); font-weight: 600; font-size: .85rem; }
@media (max-width: 820px) {
  .community { grid-template-columns: 1fr; }
  .post-grid { grid-template-columns: 1fr; }
}
@media (max-width: 560px) {
  .mv__hint { display: none; }
}

.cases { display: grid; grid-template-columns: repeat(2, 1fr); gap: 26px; }
.case {
  background: var(--surface); border: 1px solid var(--line-soft); border-radius: var(--r-lg);
  overflow: hidden; box-shadow: var(--shadow); display: flex; flex-direction: column;
  transition: transform .25s var(--ease), box-shadow .25s var(--ease), border-color .25s var(--ease);
}
.case:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: var(--line); }
.case__media { aspect-ratio: 16 / 9; background: var(--ink); }
.case__media svg, .case__media img { width: 100%; height: 100%; object-fit: cover; display: block; }
.case__body { padding: 24px 26px 28px; display: flex; flex-direction: column; align-items: flex-start; }
.case__tag { font-family: var(--font-head); font-weight: 600; font-size: .74rem; letter-spacing: .08em; text-transform: uppercase; color: var(--accent); }
.case__title { font-size: 1.25rem; margin-top: 8px; }
.case__desc { color: var(--ink-2); font-size: .96rem; margin-top: 10px; }
.case__link { display: inline-flex; align-items: center; gap: 7px; margin-top: 16px; font-family: var(--font-head); font-weight: 600; font-size: .9rem; color: var(--accent); }
.case__link svg { transition: transform .2s var(--ease); }
.case__link:hover { color: var(--accent-hover); }
.case__link:hover svg { transform: translateX(3px); }

/* ----------------------- Split (overview / contact) ----------------------- */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(28px, 5vw, 64px); align-items: center; }
.split--contact { align-items: start; }
.split__text p { color: var(--ink-2); font-size: 1.05rem; }
.ticks { list-style: none; padding: 0; margin: 22px 0; display: grid; gap: 12px; }
.ticks li { position: relative; padding-left: 32px; color: var(--ink-2); }
.ticks li::before {
  content: ""; position: absolute; left: 0; top: 4px; width: 20px; height: 20px; border-radius: 999px;
  background: var(--accent-tint) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%231F5C43' stroke-width='3'%3E%3Cpath d='m5 12 4 4 10-10'/%3E%3C/svg%3E") center/13px no-repeat;
}
.split__actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 28px; }
.fineprint { margin-top: 14px; font-size: .85rem; color: var(--muted); }

.split__media { margin: 0; }
.media-frame { border-radius: var(--r); overflow: hidden; box-shadow: var(--shadow-lg); border: 1px solid var(--line); aspect-ratio: 4 / 3; }
.media-frame svg { width: 100%; height: 100%; }
.split__media figcaption { margin-top: 12px; font-size: .82rem; color: var(--muted); text-align: center; }

/* ----------------------- Video (lite YouTube) ----------------------- */
.video { margin-top: clamp(40px, 6vw, 64px); }
.video__lite {
  position: relative; aspect-ratio: 16 / 9; border-radius: var(--r-lg); overflow: hidden; cursor: pointer;
  background: linear-gradient(135deg, var(--ink), #0a2c1f); border: 1px solid var(--line);
}
.video__lite iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }
.video__overlay { position: absolute; inset: 0; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 16px; color: #fff; transition: background .25s var(--ease); background: rgba(8,18,14,.35); }
.video__lite:hover .video__overlay { background: rgba(8,18,14,.18); }
.video__play { display: grid; place-items: center; width: 76px; height: 76px; border-radius: 999px; background: var(--accent); box-shadow: 0 12px 30px rgba(31,92,67,.5); transition: transform .2s var(--ease); }
.video__lite:hover .video__play { transform: scale(1.06); }
.video__label { font-family: var(--font-head); font-weight: 600; letter-spacing: .02em; }

/* ----------------------- Training ----------------------- */
.course { max-width: 880px; margin-inline: auto; }

.field { display: grid; gap: 7px; }
.field label { font-family: var(--font-head); font-weight: 600; font-size: .9rem; }
.field input, .field textarea {
  font: inherit; color: var(--ink); background: var(--bg); border: 1px solid var(--line); border-radius: var(--r-sm);
  padding: 12px 14px; width: 100%; transition: border-color .2s var(--ease), box-shadow .2s var(--ease);
}
.field input:focus, .field textarea:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-tint); }
.field textarea { resize: vertical; }

/* Sign up for updates */
.notify { max-width: 620px; margin: 28px auto 0; background: var(--surface); border: 1px solid var(--line); border-radius: var(--r-lg); padding: clamp(22px, 3vw, 30px); box-shadow: var(--shadow); }
.notify__inner { display: grid; grid-template-columns: 1fr auto; gap: 18px 32px; align-items: start; }
.notify__title { font-size: 1.2rem; }
.notify__text { color: var(--ink-2); margin-top: 6px; font-size: .92rem; max-width: 32ch; }
.notify__form { min-width: 320px; }
.notify__field { display: grid; gap: 7px; margin-bottom: 12px; text-align: left; }
.notify__field label { font-family: var(--font-head); font-weight: 600; font-size: .85rem; }
.notify__field input { font: inherit; color: var(--ink); background: var(--bg); border: 1px solid var(--line); border-radius: 999px; padding: 12px 18px; width: 100%; transition: border-color .2s var(--ease), box-shadow .2s var(--ease); }
.notify__field input:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-tint); }
.notify__row { display: flex; gap: 10px; }
.notify__row input { flex: 1; min-width: 0; font: inherit; color: var(--ink); background: var(--bg); border: 1px solid var(--line); border-radius: 999px; padding: 12px 18px; transition: border-color .2s var(--ease), box-shadow .2s var(--ease); }
.notify__row input:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-tint); }
.notify__row .btn { flex: none; }
.notify__status { font-size: .86rem; margin-top: 10px; min-height: 1.1em; }
.notify__status.is-ok { color: var(--accent); font-weight: 500; }
.notify__status.is-err { color: #b3261e; }

.modules { list-style: none; counter-reset: m; padding: 0; margin: 0 0 26px; display: grid; gap: 2px; }
.modules li { display: grid; grid-template-columns: auto 1fr auto auto; gap: 18px; align-items: center; padding: 18px 16px; border-bottom: 1px solid var(--line-soft); }
.modules li:hover { background: var(--surface); border-radius: var(--r-sm); }
.modules__no { font-family: var(--font-head); font-weight: 700; color: var(--accent); font-size: 1.05rem; }
.modules h4 { font-size: 1.05rem; }
.modules p { color: var(--ink-2); font-size: .92rem; margin-top: 3px; }
.modules__count, .modules__hours { font-size: .82rem; color: var(--muted); white-space: nowrap; text-align: right; }
.modules__hours { min-width: 34px; }

/* ----------------------- Creators / team ----------------------- */
.team { display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(22px, 3vw, 32px); }
.creator {
  background: var(--surface); border: 1px solid var(--line-soft); border-radius: var(--r-lg);
  padding: 32px 26px; box-shadow: var(--shadow); text-align: center;
}
.creator__photo {
  width: 116px; height: 116px; margin: 0 auto 18px; border-radius: 999px; overflow: hidden;
  background: var(--accent-tint); color: var(--accent); display: grid; place-items: center;
}
.creator__photo img { width: 100%; height: 100%; object-fit: cover; }
.creator__name { font-size: 1.2rem; }
.creator__role { color: var(--accent); font-family: var(--font-head); font-weight: 600; font-size: .82rem; letter-spacing: .05em; text-transform: uppercase; margin-top: 5px; }
.creator__bio { color: var(--ink-2); font-size: .95rem; margin-top: 12px; }
.creator:only-child { grid-column: 1 / -1; max-width: 520px; margin-inline: auto; }
.creator__social { display: inline-flex; align-items: center; justify-content: center; width: 40px; height: 40px; margin-top: 16px; border-radius: 999px; color: var(--accent); background: var(--accent-tint); transition: transform .2s var(--ease), background .2s var(--ease), color .2s var(--ease); }
.creator__social:hover { background: var(--accent); color: #fff; transform: translateY(-2px); }

/* ----------------------- Contact ----------------------- */
.contact-list { list-style: none; padding: 0; margin: 28px 0 0; display: grid; gap: 16px; }
.contact-list li { display: flex; align-items: center; gap: 12px; color: var(--ink-2); }
.contact-list a:hover { color: var(--accent); text-decoration: underline; }
.contact-form { background: var(--surface); border: 1px solid var(--line); border-radius: var(--r-lg); padding: clamp(24px, 4vw, 36px); box-shadow: var(--shadow); display: grid; gap: 16px; }
.form-status { font-size: .9rem; min-height: 1.2em; }
.form-status.is-ok { color: var(--accent); font-weight: 500; }
.form-status.is-err { color: #b3261e; }

/* ----------------------- Footer ----------------------- */
.footer { background: var(--ink); color: #cdd3d1; padding-block: 48px; }
.footer__inner { display: flex; flex-wrap: wrap; align-items: flex-start; justify-content: space-between; gap: 28px; }
/* anchor targets that aren't .ribbon sections still need the sticky-nav offset */
.service, .community-card, .notify { scroll-margin-top: var(--nav-h); }
.brand--footer { color: #fff; }
.brand--footer .brand__mark, .brand--footer svg { color: var(--accent-2); }
.brand--footer .brand__sub { color: #8a938f; }
.footer__links { display: flex; flex-wrap: wrap; gap: 22px; }
.footer__links a { color: #cdd3d1; font-size: .94rem; }
.footer__links a:hover { color: #fff; }
/* sitemap variant: each menu item with its subsections */
.footer__links--map { flex: 1 1 auto; justify-content: space-between; gap: 26px 34px; align-items: flex-start; }
.footer__col { display: flex; flex-direction: column; gap: 7px; min-width: 128px; }
.footer__col-head { font-family: var(--font-head); font-weight: 600; color: #fff; margin-bottom: 3px; }
.footer__col a:not(.footer__col-head) { font-size: .85rem; color: #9aa39f; }
.footer__col a:not(.footer__col-head):hover { color: #fff; }
@media (max-width: 720px) { .footer__links--map { justify-content: flex-start; } }
.footer__social { display: inline-grid; place-items: center; width: 38px; height: 38px; border-radius: 10px; border: 1px solid rgba(255,255,255,.18); color: #cdd3d1; transition: color .2s var(--ease), border-color .2s var(--ease), background .2s var(--ease); }
.footer__social:hover { color: #fff; border-color: #fff; background: rgba(255,255,255,.06); }
.footer__copy { width: 100%; font-size: .84rem; color: #8a938f; border-top: 1px solid rgba(255,255,255,.1); padding-top: 22px; margin-top: 4px; }

/* ----------------------- Reveal animation ----------------------- */
.reveal { opacity: 0; transform: translateY(22px); transition: opacity .6s var(--ease), transform .6s var(--ease); }
.reveal.is-visible { opacity: 1; transform: none; }
@keyframes fade-up { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: none; } }

/* ----------------------- Responsive ----------------------- */
@media (max-width: 900px) {
  .hero__inner { grid-template-columns: 1fr; }
  .hero__art { order: -1; max-width: 420px; }
  .grid--cards { grid-template-columns: repeat(2, 1fr); }
  .split { grid-template-columns: 1fr; }
  .split__media { order: -1; }
}
@media (max-width: 720px) {
  .nav__toggle { display: flex; }
  .nav__links {
    position: absolute; top: var(--nav-h); left: 0; right: 0;
    flex-direction: column; align-items: stretch; gap: 4px;
    background: var(--bg); border-bottom: 1px solid var(--line); padding: 16px clamp(20px,5vw,40px) 24px;
    box-shadow: var(--shadow-lg);
    transform: translateY(-12px); opacity: 0; pointer-events: none; transition: transform .25s var(--ease), opacity .25s var(--ease);
  }
  .nav__links.is-open { transform: none; opacity: 1; pointer-events: auto; }
  .nav__link { padding: 12px 14px; }
  .nav__cta { margin: 8px 0 0; }
  .grid--cards { grid-template-columns: 1fr; }
  .cases { grid-template-columns: 1fr; }
  .service { grid-template-columns: 1fr; gap: 14px; }
  .hero__stats { flex-wrap: wrap; gap: 24px; }
  .modules li { grid-template-columns: auto 1fr; }
  .modules__count, .modules__hours { grid-column: 2; text-align: left; }
  .notify__inner { grid-template-columns: 1fr; }
  .notify__form { min-width: 0; }
  .notify__row { flex-direction: column; }
  .notify__row .btn { width: 100%; }
  .team { grid-template-columns: 1fr; }
}
@media (max-width: 900px) and (min-width: 721px) {
  .team { grid-template-columns: repeat(2, 1fr); }
}

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