/* Theme: Rocket prototype design language (decision D2), with the accessibility tokens from improvement list section 3. */
:root {
  --font: "Plus Jakarta Sans", system-ui, -apple-system, "Segoe UI", Arial, sans-serif;
  --c-dark: #0A1F3C;          /* navy: headings, dark sections, header, footer */
  --c-dark-2: #12305A;        /* raised surface on navy */
  --c-accent: #E8631A;        /* orange: buttons, rules, large display words */
  --c-on-accent: #0A1F3C;     /* text on orange, 4.89:1 (A1) */
  --c-accent-text: #B84A0E;   /* orange text under 24 px on light, 4.86:1 (A2) */
  --c-accent-on-dark: #F07A35;/* orange text on navy */
  --c-text: #0A1F3C;
  --c-body: #2B3A52;
  --c-muted: #5A6A82;         /* 5.12:1 on surface */
  --c-bg: #FFFFFF;
  --c-surface: #F5F7FA;
  --c-surface-2: #E8EDF5;
  --c-border: #E2E7EF;
  --c-on-dark: rgba(255,255,255,.92);
  --c-on-dark-muted: rgba(255,255,255,.72);  /* 8.6:1 (A3) */
  --c-on-dark-line: rgba(255,255,255,.14);
  --radius-card: 18px;
  --radius-btn: 999px;
  --radius-input: 12px;
  --h1: clamp(2.4rem, 1.4rem + 4vw, 4.5rem);
  --h2: clamp(1.75rem, 1.3rem + 1.6vw, 2.75rem);
  --display-weight: 700;
  --heading-tracking: -0.03em;
}

/* Shared structure for the Core Optic mockups. Colours and type come from theme.css. */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-padding-top: 88px; }
body { margin: 0; font-family: var(--font); font-size: 1rem; line-height: 1.6; color: var(--c-body); background: var(--c-bg); }
img { display: block; max-width: 100%; height: auto; }
h1, h2, h3, .h3 { color: var(--c-text); font-weight: var(--display-weight); letter-spacing: var(--heading-tracking); line-height: 1.12; margin: 0; text-wrap: balance; }
h1 { font-size: var(--h1); }
h2 { font-size: var(--h2); }
h3, .h3 { font-size: 1.125rem; letter-spacing: -0.01em; line-height: 1.3; }
p { margin: 0; }
a { color: inherit; text-underline-offset: 3px; }
::selection { background: var(--c-accent); color: var(--c-on-accent); }
:focus-visible { outline: 2px solid var(--c-accent); outline-offset: 2px; border-radius: 4px; }
.wrap { width: min(100% - 32px, 1200px); margin-inline: auto; }
.measure { max-width: 62ch; }
.skip { position: absolute; left: -9999px; }
.skip:focus { left: 16px; top: 16px; z-index: 100; background: var(--c-bg); color: var(--c-text); padding: 12px 16px; min-height: 44px; display: inline-flex; align-items: center; }
.ic { width: 22px; height: 22px; stroke-width: 1.75; flex: none; }
.ic-sm { width: 18px; height: 18px; }

/* Buttons: 48 px tall, at least 44 px everywhere */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 48px; padding: 0 24px; border-radius: var(--radius-btn); font: 600 0.9375rem/1 var(--font); text-decoration: none; border: 1.5px solid transparent; cursor: pointer; transition: background-color .2s cubic-bezier(.16,1,.3,1), color .2s, border-color .2s; }
.btn-sm { min-height: 44px; padding: 0 20px; }
.btn-block { width: 100%; }
.btn-accent { background: var(--c-accent); color: var(--c-on-accent); }
.btn-accent:hover { background: color-mix(in srgb, var(--c-accent) 88%, #fff); }
.btn-dark { background: var(--c-dark); color: #fff; }
.btn-dark:hover { background: var(--c-dark-2); }
.btn-ghost { color: #fff; border-color: rgba(255,255,255,.55); }
.btn-ghost:hover { background: rgba(255,255,255,.1); }
.btn-outline { color: var(--c-text); border-color: var(--c-text); }
.btn-outline:hover { background: var(--c-surface); }
.text-link { display: inline-flex; align-items: center; gap: 6px; min-height: 44px; font-weight: 600; color: var(--c-accent-text); }
.text-link.on-dark { color: var(--c-accent-on-dark); }

/* Header: solid from first paint (M1) */
.site-header { position: sticky; top: 0; z-index: 50; background: var(--c-dark); color: #fff; }
.bar { display: flex; align-items: center; gap: 24px; min-height: 72px; }
.brand { display: inline-flex; align-items: center; gap: 12px; min-height: 44px; color: #fff; text-decoration: none; font-weight: 700; font-size: 1.0625rem; letter-spacing: -0.01em; }
.brand img { width: 46px; height: 40px; object-fit: contain; }
.nav { display: flex; gap: 8px; margin-left: auto; }
.nav a { display: inline-flex; align-items: center; min-height: 44px; padding: 0 12px; color: var(--c-on-dark-muted); text-decoration: none; font-weight: 500; font-size: 0.9375rem; position: relative; }
.nav a:hover { color: #fff; }
.nav a[aria-current="page"] { color: #fff; }
.nav a[aria-current="page"]::after { content: ""; position: absolute; left: 12px; right: 12px; bottom: 6px; height: 2px; background: var(--c-accent); }
.menu-btn { display: none; margin-left: auto; width: 48px; height: 48px; align-items: center; justify-content: center; background: transparent; color: #fff; border: 1px solid var(--c-on-dark-line); border-radius: 12px; cursor: pointer; }

/* Hero */
.hero { position: relative; background: var(--c-dark); color: #fff; overflow: hidden; isolation: isolate; }
.hero-img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; z-index: -2; animation: settle 1.6s cubic-bezier(.16,1,.3,1) both; }
.hero::after { content: ""; position: absolute; inset: 0; z-index: -1; background: linear-gradient(180deg, color-mix(in srgb, var(--c-dark) 70%, transparent) 0%, color-mix(in srgb, var(--c-dark) 55%, transparent) 40%, color-mix(in srgb, var(--c-dark) 92%, transparent) 100%), linear-gradient(90deg, color-mix(in srgb, var(--c-dark) 80%, transparent) 0%, transparent 70%); }
.hero-in { padding: clamp(64px, 9vw, 120px) 0 clamp(48px, 7vw, 88px); }
.hero-short .hero-in { padding: clamp(56px, 7vw, 96px) 0 clamp(48px, 6vw, 80px); }
.hero h1 { color: #fff; max-width: 16ch; }
.hero h1 em, .page-head h1 em { font-style: normal; color: var(--c-accent-on-dark); }
.hero .lead { margin-top: 20px; max-width: 58ch; font-size: clamp(1rem, .95rem + .3vw, 1.1875rem); color: var(--c-on-dark); }
.actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 32px; }
.systems { margin-top: 48px; display: flex; flex-wrap: wrap; align-items: center; gap: 12px 16px; }
.systems p { font-size: 0.875rem; color: var(--c-on-dark-muted); }
.systems ul, .chips { display: flex; flex-wrap: wrap; gap: 8px; margin: 0; padding: 0; list-style: none; }
.systems li { padding: 6px 12px; border: 1px solid var(--c-on-dark-line); border-radius: 999px; font-size: 0.875rem; font-weight: 600; color: #fff; font-variant-numeric: tabular-nums; }
.chips li { padding: 8px 14px; border: 1px solid var(--c-border); background: var(--c-bg); border-radius: 999px; font-weight: 600; color: var(--c-text); }
@keyframes settle { from { transform: scale(1.06); } to { transform: none; } }

/* Sections */
.section { padding: clamp(64px, 8vw, 112px) 0; }
.section-tight { padding-top: 32px; }
.section-alt { background: var(--c-surface); }
.section-dark { background: var(--c-dark); color: var(--c-on-dark); }
.section-dark h2, .section-dark h3 { color: #fff; }
.split { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 24px 64px; align-items: end; margin-bottom: 48px; }
.section-dark .measure { color: var(--c-on-dark-muted); }
.page-head { background: var(--c-surface); padding: clamp(56px, 7vw, 96px) 0 40px; }
.page-head .lead { margin-top: 16px; font-size: 1.125rem; color: var(--c-muted); }

/* Stats: a flat row with a thin top rule (L5), no cards */
.stats { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 32px; margin: 0 auto; }
.stats > div { border-top: 2px solid var(--c-accent); padding-top: 20px; display: grid; grid-template-rows: auto auto 1fr; }
.stats dt { order: 2; font-weight: 600; color: var(--c-text); }
.stats dd { order: 1; margin: 0 0 8px; font-size: clamp(2.25rem, 1.8rem + 1.5vw, 3rem); font-weight: 700; color: var(--c-text); letter-spacing: -0.03em; line-height: 1; font-variant-numeric: tabular-nums; }
.stats p { order: 3; font-size: 0.9375rem; color: var(--c-muted); }

/* Project cards (Home): option A, illustrative caption (I3) */
.proj-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; margin-bottom: 32px; }
.proj { background: var(--c-dark-2); border-radius: var(--radius-card); overflow: hidden; display: flex; flex-direction: column; }
.proj figure { margin: 0; position: relative; aspect-ratio: 16 / 10; }
.proj figure img { width: 100%; height: 100%; object-fit: cover; filter: grayscale(.35); }
.proj figcaption { position: absolute; right: 10px; bottom: 10px; padding: 4px 10px; border-radius: 999px; background: rgba(10,10,10,.62); color: #fff; font-size: 0.875rem; font-weight: 600; }
.proj-body { padding: 24px; display: grid; gap: 10px; }
.proj-body p { color: var(--c-on-dark-muted); font-size: 0.9375rem; }
.meta { display: flex; align-items: center; gap: 8px; font-size: 0.875rem; font-weight: 600; color: var(--c-on-dark) !important; }
.year { display: inline-block; padding: 2px 10px; border-radius: 999px; background: var(--c-accent); color: var(--c-on-accent); font-weight: 700; font-variant-numeric: tabular-nums; margin-right: 4px; }
.client { padding-top: 12px; border-top: 1px solid var(--c-on-dark-line); color: #fff !important; font-weight: 600; }
.client span { display: block; font-size: 0.875rem; font-weight: 500; color: var(--c-on-dark-muted); }

/* Capability list: inline icons, two columns, no tiles (L6) */
.cap-list { list-style: none; padding: 0; margin: 0 auto; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 64px; }
.cap-list li { display: flex; gap: 16px; padding: 24px 0; border-top: 1px solid var(--c-border); }
.cap-list .ic { color: var(--c-accent-text); margin-top: 2px; }
.cap-list p { margin-top: 6px; color: var(--c-muted); }

/* Why choose */
.why { display: grid; grid-template-columns: 5fr 6fr; gap: 64px; align-items: center; }
.why h2 { margin-bottom: 16px; }
.quote { margin: 0; position: relative; border-radius: var(--radius-card); overflow: hidden; background: var(--c-dark); }
.quote img { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; object-position: 50% 22%; }
.quote blockquote { margin: 0; padding: 24px; color: #fff; }
.quote p { font-size: 1.125rem; font-weight: 600; line-height: 1.45; }
.quote footer { margin-top: 10px; font-size: 0.875rem; color: var(--c-accent-on-dark); font-weight: 600; }
.ticks { list-style: none; padding: 0; margin: 24px 0 32px; display: grid; gap: 12px; }
.ticks li { display: flex; gap: 12px; align-items: flex-start; }
.ticks .ic { color: var(--c-accent-text); margin-top: 3px; }
.ticks.on-dark { margin: 0; }
.ticks.on-dark li { color: var(--c-on-dark); }
.ticks.on-dark .ic { color: var(--c-accent-on-dark); }

/* Services: numbered pillars (lifecycle order), all equal (L4) */
.pillars { list-style: none; padding: 0; margin: 0 auto; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 64px; }
.pillars > li { display: grid; grid-template-columns: 56px 1fr; gap: 16px; padding: 32px 0; border-top: 1px solid var(--c-border); }
.pillars .num { font-size: 1.75rem; font-weight: 700; color: var(--c-accent-text); font-variant-numeric: tabular-nums; line-height: 1.2; }
.pillars p { margin-top: 8px; color: var(--c-muted); }
.pillars ul { margin: 12px 0 0; padding-left: 18px; color: var(--c-body); font-size: 0.9375rem; }
.pillars ul li::marker { color: var(--c-accent); }
.cls { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 48px 64px; align-items: center; }
.cls h2 { margin-bottom: 16px; }
.draft-note { margin-top: 16px; font-size: 0.875rem; color: var(--c-accent-on-dark); font-weight: 600; }
.other { list-style: none; padding: 0; margin: 0 auto; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 64px; }
.other li { padding: 20px 0; border-top: 1px solid var(--c-border); }
.other p { margin-top: 4px; color: var(--c-muted); font-size: 0.9375rem; }
.repair { display: grid; grid-template-columns: 6fr 5fr; gap: 64px; align-items: center; }
.repair h2 { margin-bottom: 16px; }
.figure { margin-top: 24px; display: flex; align-items: baseline; gap: 12px; color: var(--c-text); font-weight: 600; }
.figure span { font-size: 3rem; font-weight: 700; color: var(--c-text); letter-spacing: -0.03em; line-height: 1; font-variant-numeric: tabular-nums; }
.rounded { border-radius: var(--radius-card); aspect-ratio: 4 / 3; object-fit: cover; width: 100%; }

/* Projects page: option B, route card with no photograph (I3) */
.proj-list { display: grid; gap: 24px; }
.proj-wide { display: grid; grid-template-columns: 340px 1fr; border: 1px solid var(--c-border); border-radius: var(--radius-card); overflow: hidden; background: var(--c-bg); }
.route { position: relative; background: var(--c-dark); min-height: 220px; display: flex; flex-direction: column; justify-content: space-between; padding: 24px; color: #fff; }
.route svg { position: absolute; inset: 35% 24px 25% 24px; width: calc(100% - 48px); height: 40%; overflow: visible; }
.route path { fill: none; stroke: var(--c-accent); stroke-width: 2.5; stroke-dasharray: 6 6; vector-effect: non-scaling-stroke; }
.route circle { fill: var(--c-accent); }
.route .sys { font-size: 2rem; font-weight: 700; letter-spacing: -0.02em; }
.route .pin { align-self: flex-end; font-weight: 600; color: var(--c-on-dark); }
.proj-wide .proj-body { padding: 32px; gap: 12px; }
.proj-wide .proj-body p { color: var(--c-muted); }
.proj-wide .meta { color: var(--c-text) !important; }
.facts { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; margin: 12px 0 0; padding-top: 16px; border-top: 1px solid var(--c-border); }
.facts dt { font-size: 0.875rem; color: var(--c-muted); }
.facts dd { margin: 2px 0 0; font-weight: 600; color: var(--c-text); }

/* Contact */
.contact { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: start; }
.form { display: grid; gap: 8px; }
.form h2, .details h2 { margin-bottom: 16px; }
.form label { font-weight: 600; color: var(--c-text); margin-top: 8px; }
.req { color: var(--c-accent-text); }
.form input, .form textarea { font: inherit; color: var(--c-text); min-height: 48px; padding: 12px 16px; border: 1px solid #A9B4C4; border-radius: var(--radius-input); background: var(--c-bg); }
.form input::placeholder, .form textarea::placeholder { color: #5A6A82; }
.form input:focus, .form textarea:focus { outline: 2px solid var(--c-accent); outline-offset: 1px; border-color: var(--c-text); }
.form .btn { margin-top: 16px; }
.fine { font-size: 0.875rem; color: var(--c-muted); }
.fine a { color: var(--c-accent-text); }
.details .measure { color: var(--c-muted); }
.contact-list { margin: 32px 0; display: grid; gap: 0; }
.contact-list > div { display: grid; grid-template-columns: 32px 1fr; column-gap: 12px; padding: 18px 0; border-top: 1px solid var(--c-border); }
.contact-list .ic { grid-row: span 2; color: var(--c-accent-text); }
.contact-list dt { font-size: 0.875rem; color: var(--c-muted); }
.contact-list dd { margin: 2px 0 0; font-weight: 600; color: var(--c-text); }
.contact-list dd a { display: inline-flex; min-height: 44px; align-items: center; color: var(--c-text); }
.contact-list dd span { display: block; font-weight: 400; font-size: 0.9375rem; color: var(--c-muted); }
.callout { margin: 0; padding: 24px; border-radius: var(--radius-card); background: var(--c-dark); color: #fff; }
.callout p { font-weight: 600; line-height: 1.5; }
.callout footer { margin-top: 10px; font-size: 0.875rem; color: var(--c-on-dark-muted); }

/* Profile download band (5.3) */
.band-profile { background: var(--c-surface-2); padding: 48px 0; }
.profile { display: flex; align-items: center; justify-content: space-between; gap: 24px; flex-wrap: wrap; }
.profile h2 { font-size: 1.5rem; }
.profile p { margin-top: 6px; color: var(--c-muted); }

/* Footer: legible on navy (A3), real links only (C4, C5) */
.site-footer { background: var(--c-dark); color: var(--c-on-dark-muted); padding: 64px 0 24px; }
.foot-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1.4fr; gap: 40px; }
.foot-brand p { margin-top: 12px; }
.motto { font-style: italic; }
.foot-h { font-size: 0.9375rem; color: #fff; letter-spacing: 0; margin-bottom: 8px; }
.foot-links { list-style: none; margin: 0; padding: 0; }
.foot-links a, .foot-contact a { display: inline-flex; align-items: center; min-height: 44px; min-width: 44px; color: var(--c-on-dark-muted); text-decoration: none; }
.foot-links a:hover, .foot-contact a:hover { color: #fff; text-decoration: underline; }
.foot-contact { font-style: normal; display: grid; }
.foot-contact span { padding-top: 10px; }
.foot-legal { display: flex; justify-content: space-between; align-items: center; gap: 16px; flex-wrap: wrap; margin-top: 48px; padding-top: 16px; border-top: 1px solid var(--c-on-dark-line); font-size: 0.875rem; }
.foot-legal a { display: inline-flex; align-items: center; min-height: 44px; color: var(--c-on-dark-muted); }

/* Tablet */
@media (max-width: 960px) {
  .split, .why, .repair, .cls, .contact { grid-template-columns: 1fr; gap: 24px; }
  .split { margin-bottom: 32px; }
  .why, .repair, .contact { gap: 48px; }
  .stats { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .proj-grid { grid-template-columns: 1fr 1fr; }
  .proj-wide { grid-template-columns: 1fr; }
  .route { min-height: 160px; }
  .facts { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .foot-grid { grid-template-columns: 1fr 1fr; }
}
/* Phone */
@media (max-width: 760px) {
  .nav { display: none; position: absolute; top: 72px; left: 0; right: 0; flex-direction: column; gap: 0; padding: 8px 16px 16px; background: var(--c-dark); border-top: 1px solid var(--c-on-dark-line); }
  .nav.open { display: flex; }
  .menu-btn { display: inline-flex; }
  .hide-sm { display: none; }
}
@media (max-width: 600px) {
  .proj-grid, .cap-list, .pillars, .other { grid-template-columns: 1fr; }
  .cap-list li { padding: 18px 0; }
  .pillars > li { grid-template-columns: 44px 1fr; padding: 24px 0; }
  .stats { gap: 24px 16px; }
  .systems { margin-top: 32px; }
  .actions .btn { flex: 1 1 auto; }
  .foot-grid { grid-template-columns: 1fr; gap: 24px; }
  .brand span { font-size: 1rem; }
}
/* Motion: content is visible by default; the one moment is the hero image settle (A5) */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
}


@font-face { font-family: "Plus Jakarta Sans"; src: url("fonts/plus-jakarta-sans-latin-var.woff2") format("woff2"); font-weight: 400 700; font-style: normal; font-display: swap; }
/* Labels above headings, restored as in the prototype (D10), at the 14 px floor */
.kicker { display: block; margin: 0 0 12px; font-size: 0.875rem; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; color: var(--c-accent-text); }
.section-dark .kicker, .hero .kicker, .cls .kicker { color: var(--c-accent-on-dark); }
.hero .kicker { margin-bottom: 20px; }
.regs { margin-top: 48px; padding: 24px 0 0; border-top: 1px solid var(--c-border); display: flex; flex-wrap: wrap; align-items: baseline; gap: 12px 32px; }
.regs .kicker { margin: 0; }
.regs ul { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 8px 32px; }
.regs li { font-weight: 600; color: var(--c-text); }
.proj-wide.with-img { grid-template-columns: 340px 1fr; }
.proj-wide figure { margin: 0; position: relative; min-height: 220px; }
.proj-wide figure img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; filter: grayscale(.35); }
.proj-wide figcaption { position: absolute; right: 10px; bottom: 10px; padding: 4px 10px; border-radius: 999px; background: rgba(10,10,10,.62); color: #fff; font-size: 0.875rem; font-weight: 600; }
.form-msg { padding: 12px 16px; border-radius: var(--radius-input); background: #FDECEA; color: #8A1C12; font-weight: 600; }
.hp { position: absolute; left: -10000px; width: 1px; height: 1px; overflow: hidden; }
.prose { max-width: 54ch; }
.prose h2 { font-size: 1.5rem; margin: 40px 0 12px; }
.prose h3 { margin: 24px 0 8px; }
.prose p, .prose li { margin: 0 0 12px; }
.prose ul { padding-left: 20px; }
.lang-switch { display: flex; gap: 16px; margin-top: 16px; }
.center-page { min-height: 60vh; display: flex; align-items: center; }
@media (max-width: 960px) { .proj-wide.with-img { grid-template-columns: 1fr; } .proj-wide figure { min-height: 200px; } }