:root {
  --sc-blue: #0b5fc6;
  --sc-blue-dark: #073b82;
  --sc-ink: #0d1a2b;
  --sc-muted: #5f6f82;
  --sc-line: #dfe6ee;
  --sc-soft: #f4f7fa;
  --sc-white: #fff;
  --sc-shadow: 0 22px 65px rgba(9, 35, 69, .12);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body.structacon-page { margin: 0; color: var(--sc-ink); background: #fff; font-family: Inter, system-ui, sans-serif; }
.structacon-page .section-shell { width: min(1180px, calc(100% - 40px)); }
.structacon-page .site-header { position: sticky; top: 0; z-index: 40; background: rgba(255,255,255,.94); backdrop-filter: blur(16px); border-bottom: 1px solid rgba(13,26,43,.08); }
.structacon-page .site-header-shell { min-height: 76px; }
.structacon-page .site-nav a { color: #34445a; }
.structacon-page .site-nav a:hover { color: var(--sc-blue); }
.structacon-page .brand-copy strong { color: var(--sc-ink); }
.structacon-page .brand-copy span { color: #6b7b8d; }
.structacon-page .landing-button-secondary,
.structacon-page .structacon-secondary {
  background: #fff;
  border-color: #c9d6e5;
  color: var(--sc-ink);
}
.structacon-page .landing-button-secondary:hover,
.structacon-page .structacon-secondary:hover {
  background: #f4f8fc;
  border-color: #a9bfdc;
  color: var(--sc-blue);
}
.structacon-page .mobile-nav-toggle {
  border: 1px solid var(--sc-line);
  background: #fff;
  border-radius: 999px;
  width: 46px;
  height: 46px;
  align-items: center;
  justify-content: center;
  gap: 4px;
}
.structacon-page .mobile-nav-toggle span {
  display: block;
  width: 16px;
  height: 2px;
  border-radius: 999px;
  background: var(--sc-ink);
}
.structacon-page .mobile-nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.structacon-page .mobile-nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.structacon-page .mobile-nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

.structacon-brandline { display: inline-flex; align-items: baseline; letter-spacing: -.035em; font-size: 1.08rem; margin-bottom: 22px; }
.structacon-brandline span { font-weight: 800; color: var(--sc-ink); }
.structacon-brandline strong { font-weight: 800; color: var(--sc-blue); }
.structacon-brandline em { margin-left: 10px; font-size: .72rem; font-style: normal; font-weight: 600; color: #7f8c9c; letter-spacing: .02em; }
.structacon-hero { position: relative; overflow: hidden; padding: 92px 0 94px; background: linear-gradient(180deg,#fff 0%,#f7f9fc 100%); }
.structacon-hero::before { content: ""; position: absolute; inset: 0; pointer-events:none; opacity: .35; background-image: linear-gradient(rgba(10,86,180,.08) 1px,transparent 1px),linear-gradient(90deg,rgba(10,86,180,.08) 1px,transparent 1px); background-size: 42px 42px; mask-image: linear-gradient(to right,transparent 0,#000 45%,#000 100%); }
.structacon-hero-grid { position: relative; display: grid; grid-template-columns: 1.02fr .98fr; align-items: center; gap: 72px; }
.structacon-hero-copy { max-width: 650px; }
.structacon-hero .hero-kicker { color: var(--sc-blue); font-size: .76rem; letter-spacing: .13em; font-weight: 800; margin: 0 0 15px; }
.structacon-hero h1 { margin: 0; font-size: clamp(3.2rem, 6vw, 5.65rem); line-height: .97; letter-spacing: -.067em; font-weight: 800; color: var(--sc-ink); }
.structacon-hero h1 span { color: var(--sc-blue); }
.structacon-hero-lede { max-width: 650px; margin: 26px 0 0; color: var(--sc-muted); font-size: 1.1rem; line-height: 1.72; }
.structacon-hero-actions { display:flex; flex-wrap:wrap; gap:12px; margin-top:30px; }
.structacon-primary { box-shadow: 0 12px 28px rgba(11,95,198,.22); }
.structacon-proof-row { display:grid; grid-template-columns:repeat(3,1fr); margin-top:36px; border-top:1px solid var(--sc-line); padding-top:20px; gap:18px; }
.structacon-proof-row span { color:#53657a; font-size:.76rem; font-weight:650; line-height:1.35; }
.structacon-proof-row b { display:block; margin-bottom:4px; color:#99a7b7; font-size:.68rem; letter-spacing:.08em; }
.structacon-hero-visual { min-height: 530px; position: relative; perspective: 1200px; }
.plan-sheet { position:absolute; background:#fff; border:1px solid #d8e0e8; box-shadow: var(--sc-shadow); overflow:hidden; }
.plan-sheet img { display:block; width:100%; height:100%; object-fit:contain; background:#fff; }
.plan-sheet-main { width: 88%; height: 430px; top:36px; left:0; transform:rotate(-2.8deg); z-index:2; padding:18px 18px 56px; }
.plan-sheet-secondary { width:62%; height:310px; right:-6%; bottom:7px; transform:rotate(5.5deg); z-index:3; padding:12px; }
.sheet-top { display:flex; justify-content:space-between; padding: 0 2px 10px; border-bottom:1px solid #dfe5eb; margin-bottom:12px; }
.sheet-top span { font-weight:800; color:var(--sc-blue); font-size:.7rem; letter-spacing:.06em; }
.sheet-top small { font-size:.54rem; font-weight:700; color:#8a97a6; letter-spacing:.08em; }
.sheet-caption { position:absolute; left:18px; right:18px; bottom:16px; display:flex; align-items:end; justify-content:space-between; border-top:1px solid #dfe5eb; padding-top:10px; }
.sheet-caption b { font-size:.72rem; letter-spacing:.06em; }
.sheet-caption span { font-size:.62rem; color:#7d8a98; }
.hero-stamp { position:absolute; left:-28px; bottom:25px; z-index:5; width:150px; height:150px; border:1px solid rgba(11,95,198,.3); background:rgba(255,255,255,.96); border-radius:50%; display:grid; place-content:center; text-align:center; box-shadow:0 16px 35px rgba(13,38,70,.14); transform:rotate(-8deg); }
.hero-stamp span { color:var(--sc-blue); font-size:.65rem; font-weight:800; letter-spacing:.14em; }
.hero-stamp strong { margin-top:5px; font-size:.83rem; line-height:1.3; }
.structacon-trust-strip { background:var(--sc-ink); color:#dce7f3; border-top:1px solid rgba(255,255,255,.05); border-bottom:1px solid rgba(255,255,255,.05); }
.structacon-trust-grid { min-height:72px; display:flex; align-items:center; justify-content:space-between; gap:20px; font-size:.69rem; font-weight:700; letter-spacing:.09em; white-space:nowrap; }
.structacon-trust-grid i { width:4px; height:4px; border-radius:50%; background:#3991ef; }
.structacon-section, .structacon-gallery, .structacon-faq { padding: 100px 0; }
.structacon-section-heading { display:grid; grid-template-columns:1.18fr .82fr; gap:70px; align-items:end; margin-bottom:44px; }
.structacon-section-heading .section-kicker, .inputs-copy .section-kicker, .audience-section .section-kicker, .faq-intro .section-kicker { color:var(--sc-blue); font-size:.74rem; font-weight:800; letter-spacing:.13em; }
.structacon-section-heading h2, .inputs-copy h2, .audience-section h2, .faq-intro h2 { margin:8px 0 0; font-size:clamp(2.35rem,4vw,4.1rem); line-height:1.02; letter-spacing:-.055em; }
.structacon-section-heading > p, .faq-intro > p, .inputs-copy > p { color:var(--sc-muted); line-height:1.7; font-size:1rem; margin:0; }
.service-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:14px; }
.service-card { padding:30px 28px 32px; min-height:260px; border:1px solid var(--sc-line); background:#fff; transition:transform .2s ease, box-shadow .2s ease, border-color .2s ease; }
.service-card:hover { transform:translateY(-4px); border-color:#bfd3ec; box-shadow:0 16px 34px rgba(19,47,80,.08); }
.service-card > span { display:inline-flex; align-items:center; justify-content:center; width:35px; height:35px; background:#edf5ff; color:var(--sc-blue); font-size:.69rem; font-weight:800; border-radius:50%; }
.service-card h3 { margin:34px 0 10px; font-size:1.2rem; letter-spacing:-.02em; }
.service-card p { margin:0; color:var(--sc-muted); line-height:1.65; font-size:.91rem; }
.structacon-dark-section { padding:102px 0 108px; background:var(--sc-ink); color:#fff; position:relative; overflow:hidden; }
.structacon-dark-section::after { content:""; position:absolute; width:460px; height:460px; border:1px solid rgba(80,156,245,.16); border-radius:50%; right:-180px; top:-190px; box-shadow:0 0 0 80px rgba(80,156,245,.025),0 0 0 160px rgba(80,156,245,.015); }
.structacon-section-heading.on-dark { position:relative; z-index:1; }
.structacon-section-heading.on-dark .section-kicker { color:#72b2ff; }
.structacon-section-heading.on-dark > p { color:#9eafc2; }
.process-grid { position:relative; z-index:1; display:grid; grid-template-columns:repeat(4,1fr); border-top:1px solid rgba(255,255,255,.16); }
.process-grid article { padding:30px 26px 10px 0; min-height:270px; border-right:1px solid rgba(255,255,255,.12); margin-right:24px; }
.process-grid article:last-child { border-right:0; margin-right:0; }
.process-number { color:#6eb0ff; font-size:.78rem; font-weight:800; letter-spacing:.08em; }
.process-grid h3 { margin:60px 0 11px; font-size:1.2rem; }
.process-grid p { color:#9eafc2; line-height:1.65; font-size:.9rem; }
.structacon-inputs-section { background:var(--sc-soft); }
.inputs-grid { display:grid; grid-template-columns:.86fr 1.14fr; gap:88px; align-items:center; }
.inputs-copy > p { margin:20px 0 26px; max-width:520px; }
.input-list { background:#fff; border:1px solid var(--sc-line); }
.input-list > div { display:grid; grid-template-columns:150px 1fr; gap:28px; align-items:center; padding:22px 26px; border-bottom:1px solid var(--sc-line); }
.input-list > div:last-child { border-bottom:0; }
.input-list span { color:var(--sc-blue); font-size:.76rem; font-weight:800; letter-spacing:.05em; }
.input-list p { margin:0; color:var(--sc-muted); font-size:.9rem; line-height:1.5; }
.structacon-gallery { background:#fff; }
.gallery-grid { display:grid; grid-template-columns:repeat(12,1fr); gap:14px; }
.gallery-card { grid-column:span 4; margin:0; background:#f7f9fb; border:1px solid var(--sc-line); min-height:360px; display:flex; flex-direction:column; overflow:hidden; }
.gallery-card.gallery-wide { grid-column:span 6; }
.gallery-card img { width:100%; flex:1; min-height:270px; height:300px; object-fit:contain; background:#fff; padding:12px; }
.gallery-card figcaption { display:flex; justify-content:space-between; gap:15px; align-items:end; padding:16px 18px 18px; border-top:1px solid var(--sc-line); }
.gallery-card figcaption strong { font-size:.88rem; }
.gallery-card figcaption span { color:#748496; font-size:.72rem; text-align:right; }
.audience-section { border-top:1px solid var(--sc-line); border-bottom:1px solid var(--sc-line); }
.audience-grid { display:grid; grid-template-columns:.8fr 1.2fr; gap:90px; }
.audience-list article { display:grid; grid-template-columns:220px 1fr; gap:35px; padding:24px 0; border-bottom:1px solid var(--sc-line); }
.audience-list article:last-child { border-bottom:0; }
.audience-list strong { font-size:.95rem; }
.audience-list p { margin:0; color:var(--sc-muted); line-height:1.6; font-size:.9rem; }
.structacon-faq { background:var(--sc-soft); }
.faq-layout { display:grid; grid-template-columns:.82fr 1.18fr; gap:90px; align-items:start; }
.faq-intro { position:sticky; top:110px; }
.faq-intro > p { margin-top:20px; max-width:440px; }
.structacon-page .faq-list { border-top:1px solid #cad5e0; }
.structacon-page .faq-item { border-bottom:1px solid #cad5e0; background:transparent; }
.structacon-page .faq-item summary { padding:24px 0; cursor:pointer; font-weight:700; font-size:1rem; list-style:none; display:flex; justify-content:space-between; gap:20px; }
.structacon-page .faq-item summary::-webkit-details-marker { display:none; }
.structacon-page .faq-item summary::after { content:"+"; font-weight:400; color:var(--sc-blue); font-size:1.3rem; }
.structacon-page .faq-item[open] summary::after { content:"–"; }
.structacon-page .faq-item p { padding:0 0 24px; margin:0; color:var(--sc-muted); line-height:1.7; font-size:.91rem; max-width:680px; }
.structacon-final-cta { padding:82px 0; background:var(--sc-blue); color:#fff; }
.final-cta-inner { display:grid; grid-template-columns:1fr auto; gap:70px; align-items:end; }
.structacon-brandline.inverse { margin-bottom:12px; }
.structacon-brandline.inverse span,.structacon-brandline.inverse strong { color:#fff; }
.structacon-final-cta h2 { margin:0; max-width:760px; font-size:clamp(2.4rem,4.6vw,4.8rem); line-height:.99; letter-spacing:-.06em; }
.structacon-final-cta p { color:#d9ebff; max-width:700px; line-height:1.65; }
.structacon-final-cta .final-cta-actions { display:flex; flex-direction:column; align-items:flex-start; gap:14px; }
.structacon-white-button { background:#fff !important; color:var(--sc-blue) !important; border-color:#fff !important; }
.final-email { color:#fff; font-size:.86rem; font-weight:600; text-decoration:none; }
.structacon-page .site-footer { background:#071425; }
.structacon-page .site-footer p, .structacon-page .site-footer a, .structacon-page .site-footer h3, .structacon-page .site-footer .brand-copy span { color:#9eb0c3; }
.structacon-page .site-footer h3,.structacon-page .site-footer .brand-copy strong { color:#fff; }

@media (max-width: 1050px) {
  .structacon-hero-grid { grid-template-columns:1fr; gap:35px; }
  .structacon-hero-copy { max-width:780px; }
  .structacon-hero-visual { min-height:500px; max-width:720px; width:100%; }
  .service-grid { grid-template-columns:repeat(2,1fr); }
  .process-grid { grid-template-columns:repeat(2,1fr); }
  .process-grid article:nth-child(2) { border-right:0; }
  .structacon-section-heading,.inputs-grid,.audience-grid,.faq-layout { grid-template-columns:1fr; gap:35px; }
  .faq-intro { position:static; }
  .final-cta-inner { grid-template-columns:1fr; gap:30px; }
}
@media (max-width: 820px) {
  .structacon-page .section-shell { width:min(100% - 28px,1180px); }
  .structacon-page .site-header-actions { display:none; }
  .structacon-page .site-nav { display:none; position:absolute; left:14px; right:14px; top:72px; background:#fff; border:1px solid var(--sc-line); box-shadow:0 18px 45px rgba(15,38,68,.14); padding:12px; }
  .structacon-page .site-nav.is-open { display:grid; }
  .structacon-page .site-nav a { padding:10px 12px; }
  .structacon-page .mobile-nav-toggle { display:inline-flex; }
  .structacon-hero { padding:65px 0 62px; }
  .structacon-hero h1 { font-size:clamp(3rem,13vw,4.8rem); }
  .structacon-proof-row { grid-template-columns:1fr; gap:10px; }
  .structacon-proof-row span { display:grid; grid-template-columns:28px 1fr; align-items:center; }
  .structacon-proof-row b { margin:0; }
  .structacon-trust-grid { overflow-x:auto; justify-content:flex-start; padding:0 4px; }
  .structacon-section,.structacon-gallery,.structacon-faq { padding:72px 0; }
  .service-grid { grid-template-columns:1fr; }
  .service-card { min-height:0; }
  .process-grid { grid-template-columns:1fr; }
  .process-grid article { border-right:0; border-bottom:1px solid rgba(255,255,255,.12); min-height:0; padding-bottom:28px; margin-right:0; }
  .process-grid h3 { margin-top:28px; }
  .input-list > div { grid-template-columns:1fr; gap:8px; }
  .gallery-card,.gallery-card.gallery-wide { grid-column:span 12; }
  .audience-list article { grid-template-columns:1fr; gap:10px; }
}
@media (max-width: 560px) {
  .structacon-hero-visual { min-height:390px; }
  .plan-sheet-main { height:325px; width:94%; left:1%; }
  .plan-sheet-secondary { height:210px; width:60%; right:-2%; }
  .hero-stamp { width:112px; height:112px; left:-5px; bottom:5px; }
  .hero-stamp strong { font-size:.66rem; }
  .structacon-hero-actions { display:grid; }
  .structacon-hero-actions a { width:100%; }
  .gallery-card img { min-height:220px; height:240px; }
  .structacon-section-heading { margin-bottom:28px; }
}

/* StructaCON project-sheet preview supplied as a real drawing sample. */
.plan-sheet-main.plan-sheet-project {
  width: 100%;
  height: 455px;
  left: -2%;
  top: 28px;
  padding: 10px 10px 52px;
  transform: rotate(-1.6deg);
}
.plan-sheet-main.plan-sheet-project img {
  object-fit: contain;
  object-position: center;
}
.sheet-caption-overlay {
  background: rgba(255,255,255,.96);
  backdrop-filter: blur(5px);
  left: 10px;
  right: 10px;
  bottom: 8px;
  padding: 9px 8px 6px;
}
.gallery-project-sheet img {
  object-fit: contain;
  background: #fff;
  padding: 8px;
}
@media (max-width: 560px) {
  .plan-sheet-main.plan-sheet-project {
    width: 100%;
    left: 0;
    height: 300px;
    top: 28px;
    padding: 7px 7px 44px;
  }
}

/* Embedded StructaCON sample image: no external asset path required. */
.plan-sheet-main.plan-sheet-project > img { width:100%; height:100%; object-fit:contain; object-position:center; background:#fff; }
.gallery-project-sheet > img { width:100%; object-fit:contain; background:#fff; }