/* Shimla Transport — shares the Sinas Interior type and colour family */
@font-face { font-family: "Marcellus"; src: url("fonts/marcellus.woff2") format("woff2"); font-weight: 400; font-display: swap; }
@font-face { font-family: "DM Sans"; src: url("fonts/dm-sans.woff2") format("woff2"); font-weight: 100 1000; font-display: swap; }

:root {
  --ink: #1A1813;          /* Sinas footer black */
  --ink-2: #242119;
  --ink-3: #322E25;
  --paper: #FCFBFA;        /* Sinas page background */
  --concrete: #EFEDE8;     /* precast grey, warm */
  --line: #DEDAD2;
  --head: #39352D;         /* Sinas heading colour */
  --text: #5F5B53;
  --muted: #817F79;        /* Sinas body grey */
  --gold: #9F8752;         /* Sinas bronze */
  --gold-dark: #85703F;
  --gold-light: #CDB680;
  --on-dark: #E9E4D8;
  --on-dark-muted: #B2AFA8;
  --wrap: 1200px;
  --gutter: 24px;
  --serif: "Marcellus", Georgia, serif;
  --sans: "DM Sans", "Helvetica Neue", Arial, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-padding-top: 96px; }
body { margin: 0; background: var(--paper); color: var(--text); font: 400 1.0625rem/1.65 var(--sans); }
img, svg { max-width: 100%; }
a { color: var(--gold-dark); text-underline-offset: 3px; }
a:hover { color: var(--head); }
:focus-visible { outline: 2px solid var(--gold); outline-offset: 3px; }

h1, h2, h3 { font-family: var(--serif); font-weight: 400; color: var(--head); line-height: 1.1; margin: 0 0 .5em; }
h1 { font-size: clamp(2.6rem, 6vw, 4.6rem); letter-spacing: -0.02em; }
h2 { font-size: clamp(1.9rem, 3.4vw, 2.75rem); letter-spacing: -0.01em; }
h3 { font-size: 1.35rem; }
p { margin: 0 0 1em; max-width: 66ch; }
.lead { font-size: clamp(1.1rem, 1.5vw, 1.25rem); max-width: 58ch; }
.muted { color: var(--muted); }

.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 var(--gutter); }
.section { padding: clamp(64px, 9vw, 120px) 0; }
.band-concrete { background: var(--concrete); }
.band-dark { background: var(--ink); color: var(--on-dark-muted); }
.band-dark h2 { color: var(--paper); }
.center { text-align: center; }
.center p { margin-left: auto; margin-right: auto; }

.skip { position: absolute; left: -999px; top: 8px; background: var(--gold); color: var(--ink); padding: 8px 12px; z-index: 60; }
.skip:focus { left: 8px; }

/* buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; min-height: 50px; padding: 0 28px;
  border: 1px solid transparent; border-radius: 2px; font: 500 1rem/1 var(--sans); letter-spacing: .01em;
  text-decoration: none; cursor: pointer; transition: background-color .2s, color .2s, border-color .2s; }
.btn-gold { background: var(--gold); color: #fff; }
.btn-gold:hover { background: var(--gold-dark); color: #fff; }
.btn-outline { border-color: var(--head); color: var(--head); background: transparent; }
.btn-outline:hover { background: var(--head); color: var(--paper); }
.btn-outline-light { border-color: rgba(233,228,216,.5); color: var(--on-dark); }
.btn-outline-light:hover { background: var(--on-dark); color: var(--ink); }
.btn-row { display: flex; flex-wrap: wrap; gap: 12px; }
.btn-row.center { justify-content: center; }
.text-link { font-weight: 500; color: var(--gold-dark); }
.text-link.light { color: var(--gold-light); }

/* header */
.site-head { position: sticky; top: 0; z-index: 30; background: #fff; border-bottom: 1px solid var(--line); box-shadow: 0 1px 0 rgba(26,24,19,.04); }
.head-row { display: flex; align-items: center; gap: 32px; min-height: 88px; }
.brand { display: inline-flex; align-items: center; gap: 12px; color: var(--gold-light); text-decoration: none; }
.brand:hover { color: var(--gold-light); }
.brand .logo { display: block; height: 58px; width: auto; }
.foot-brand .brand .logo { height: 64px; border-radius: 3px; }
.brand-name { font-family: var(--serif); font-size: 1.5rem; line-height: 1; letter-spacing: .14em; text-transform: uppercase; color: var(--paper); display: flex; flex-direction: column; }
.brand-name small { font-family: var(--sans); font-size: .62rem; letter-spacing: .42em; color: var(--gold-light); margin-top: 5px; }
.site-nav { margin-left: auto; }
.site-nav ul { list-style: none; display: flex; gap: 2px; margin: 0; padding: 0; }
.site-nav a { display: block; padding: 8px 12px; color: var(--text); text-decoration: none; font-size: .98rem; border-bottom: 1px solid transparent; }
.site-nav a:hover { color: var(--head); }
.site-nav a[aria-current="page"] { color: var(--head); border-bottom-color: var(--gold); }
.head-cta { min-height: 44px; padding: 0 20px; font-size: .95rem; }
.nav-toggle { display: none; }

/* hero */
.hero { background: var(--ink); color: var(--on-dark); overflow: hidden; }
.hero-inner { padding-top: clamp(64px, 9vw, 120px); max-width: calc(var(--wrap)); }
.hero h1 { color: var(--paper); font-size: clamp(2.8rem, 7vw, 5.6rem); max-width: 13ch; }
.hero-lead { color: var(--on-dark-muted); font-size: clamp(1.1rem, 1.5vw, 1.3rem); max-width: 54ch; margin-bottom: 32px; }
.hero-drawing { padding-top: clamp(40px, 6vw, 72px); padding-bottom: clamp(32px, 4vw, 56px); }
.hero-drawing svg { max-width: 980px; margin-left: auto; }

/* statement */
.statement { padding: clamp(64px, 9vw, 112px) 0; text-align: center; border-bottom: 1px solid var(--line); }
.statement p { font-family: var(--serif); color: var(--head); font-size: clamp(1.5rem, 2.6vw, 2.1rem); line-height: 1.35; max-width: 34ch; margin: 0 auto; }

/* drawings */
.drawing { display: block; width: 100%; height: auto; overflow: visible; }
.drawing * { vector-effect: non-scaling-stroke; }
.drawing .body { fill: var(--paper); stroke: var(--head); stroke-width: 1.3px; }
.drawing .frame { stroke: var(--head); stroke-width: 1.3px; }
.drawing .glass { fill: var(--head); opacity: .15; }
.drawing .tyre { fill: var(--head); }
.drawing .hub { fill: var(--concrete); }
.drawing .panel { fill: #CFCAC0; stroke: var(--head); stroke-width: 1.1px; }
.drawing .opening { fill: var(--paper); stroke: var(--head); stroke-width: 1px; }
.drawing .slab { fill: #CFCAC0; stroke: var(--head); stroke-width: 1px; }
.drawing .core { fill: var(--paper); }
.drawing .bearer { fill: var(--gold); }
.drawing .strap { stroke: var(--gold-dark); stroke-width: 1.4px; }
.drawing .ground { stroke: var(--head); stroke-width: 1.3px; }
.drawing .ground.faint { stroke: var(--line); }
.drawing .dim line { stroke: var(--muted); stroke-width: .9px; }
.drawing text { font: 500 3.6px var(--sans); fill: var(--head); }
.lineup text { font-size: 3.1px; }
.ruler line { stroke: var(--muted); stroke-width: .9px; }
.ruler text { font-weight: 400; fill: var(--muted); font-size: 2.8px; }

.on-dark .body { fill: var(--ink-2); stroke: var(--gold-light); }
.on-dark .frame { stroke: var(--gold-light); }
.on-dark .glass { fill: var(--gold-light); opacity: .18; }
.on-dark .tyre { fill: #0E0D0A; stroke: var(--gold-light); stroke-width: 1.1px; }
.on-dark .hub { fill: var(--gold-light); }
.on-dark .panel { fill: var(--ink-3); stroke: var(--gold-light); }
.on-dark .opening { fill: var(--ink); stroke: var(--gold-light); }
.on-dark .strap { stroke: var(--gold); }
.on-dark .ground { stroke: var(--ink-3); }
.on-dark .dim line { stroke: var(--on-dark-muted); }
.on-dark .dim-hero .dimline { stroke: var(--gold); stroke-width: 1.6px; }
.on-dark text { fill: var(--on-dark-muted); font-size: 3.2px; }

@media (prefers-reduced-motion: no-preference) {
  .dim-hero .dimline { transform-box: fill-box; transform-origin: left center; transform: scaleX(0); animation: draw 1.4s .5s cubic-bezier(.3,.1,.2,1) forwards; }
  .dim-hero text { opacity: 0; animation: show .5s 1.8s forwards; }
  @keyframes draw { to { transform: scaleX(1); } }
  @keyframes show { to { opacity: 1; } }
}

/* section heads */
.section-head { margin-bottom: clamp(40px, 5vw, 64px); }
.section-head p { color: var(--muted); }

/* element cards — same card language as Sinas service cards */
.cards { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.card { background: #fff; border: 1px solid var(--line); padding: 36px 32px 30px; }
.card .icon { width: 48px; height: 48px; fill: none; stroke: var(--gold); stroke-width: 1.4; margin-bottom: 22px; }
.card h3 { margin-bottom: 10px; }
.card p { color: var(--muted); margin-bottom: 14px; }
.card-meta { color: var(--head) !important; font-size: .92rem; font-weight: 500; margin: 0 !important; padding-top: 14px; border-top: 1px solid var(--line); }

/* split layout */
.split { display: grid; grid-template-columns: 5fr 7fr; gap: clamp(40px, 6vw, 96px); align-items: start; }
.split-head p { color: var(--muted); }
.band-dark .split-head p, .band-dark .prose p { color: var(--on-dark-muted); }
.prose p:last-child { margin-bottom: 0; }

.facts { list-style: none; margin: 28px 0; padding: 0; }
.facts li { display: grid; grid-template-columns: 7.5rem 1fr; padding: 12px 0; border-top: 1px solid var(--line); color: var(--head); }
.facts li:last-child { border-bottom: 1px solid var(--line); }
.facts span { color: var(--muted); }
.lineup-fig { margin: 0; }

/* steps (a real sequence, so numbered) */
.steps { list-style: none; counter-reset: s; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; border-top: 1px solid var(--line); }
.steps li { counter-increment: s; padding: 32px 28px 8px 0; position: relative; }
.steps li + li { padding-left: 28px; border-left: 1px solid var(--line); }
.steps li::before { content: counter(s); display: block; font-family: var(--serif); font-size: 2.6rem; line-height: 1; color: var(--gold); margin-bottom: 18px; }
.steps p { color: var(--muted); margin: 0; }

/* page header */
.page-head { background: var(--ink); padding: clamp(64px, 9vw, 120px) 0 clamp(56px, 7vw, 96px); }
.page-head h1 { color: var(--paper); }
.page-head .lead { color: var(--on-dark-muted); }
.crumb { margin-bottom: 18px; }
.crumb a { color: var(--gold-light); }

/* services */
.services { display: grid; gap: 0; }
.service { display: grid; grid-template-columns: 5fr 7fr; gap: clamp(32px, 6vw, 96px); padding: 44px 0; border-top: 1px solid var(--line); }
.service:last-child { border-bottom: 1px solid var(--line); }
.service h2 { font-size: clamp(1.6rem, 2.6vw, 2.1rem); margin: 0; }
.ticks { list-style: none; margin: 0; padding: 0; }
.ticks li { position: relative; padding: 10px 0 10px 28px; border-bottom: 1px solid var(--line); color: var(--head); }
.ticks li::before { content: ""; position: absolute; left: 0; top: 20px; width: 12px; height: 1px; background: var(--gold); }
.ticks.two { display: grid; grid-template-columns: 1fr 1fr; column-gap: 36px; }

/* fleet */
.units { display: grid; }
.unit { display: grid; grid-template-columns: 7fr 5fr; gap: 56px; align-items: center; padding: 48px 0; border-top: 1px solid var(--line); }
.unit:last-child { border-bottom: 1px solid var(--line); }
.unit h2 { font-size: clamp(1.6rem, 2.4vw, 2rem); }
.unit dl { margin: 0; }
.unit dl div { display: grid; grid-template-columns: 6.5rem 1fr; padding: 10px 0; border-top: 1px solid var(--line); }
.unit dt { color: var(--muted); }
.unit dd { margin: 0; color: var(--head); }

/* about */
.values { list-style: none; margin: 0; padding: 0; display: grid; gap: 28px; }
.values li { border-top: 1px solid var(--gold); padding-top: 20px; }
.values p { color: var(--muted); margin: 0; }
.group-list { list-style: none; margin: 0; padding: 0; }
.group-list li { display: grid; grid-template-columns: 1fr 1fr; gap: 4px 24px; padding: 16px 0; border-bottom: 1px solid var(--line); }
.group-list li:first-child { border-top: 1px solid var(--line); }
.group-list strong { font-weight: 500; color: var(--head); }
.group-list span { color: var(--muted); }

/* projects + template placeholders */
.ph { background: #F3E9CF; color: #6B5525; padding: 0 .3em; border-radius: 2px; box-decoration-break: clone; -webkit-box-decoration-break: clone; }
.template-note { background: #F3E9CF; color: #6B5525; padding: 14px 18px; margin-bottom: 40px; max-width: none; border-left: 3px solid var(--gold); }
.project-grid { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.project-card a { display: block; text-decoration: none; color: inherit; }
.project-card h3 { margin: 20px 0 6px; }
.project-card p { margin: 0 0 4px; color: var(--muted); }
.project-img { position: relative; aspect-ratio: 4 / 3; background: var(--concrete); display: grid; place-items: center; padding: 28px; }
.ph-photo { position: absolute; left: 12px; bottom: 10px; font-size: .8rem; color: var(--muted); }
.photo-slot { position: relative; background: var(--concrete); border: 1px dashed #C9C3B6; aspect-ratio: 4 / 3; }
.photo-slot.wide { aspect-ratio: 21 / 9; margin-top: 48px; }
.band-concrete .photo-slot { background: #E3E0D9; }
.photo-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.fact-grid { display: grid; grid-template-columns: repeat(3, 1fr); margin: 0; border-top: 1px solid var(--line); }
.fact-grid div { padding: 18px 20px 18px 0; border-bottom: 1px solid var(--line); }
.fact-grid dt { color: var(--muted); font-size: .9rem; }
.fact-grid dd { margin: 4px 0 0; color: var(--head); }

/* contact */
.contact-grid { display: grid; grid-template-columns: 5fr 7fr; gap: clamp(40px, 6vw, 88px); align-items: start; }
.contact-ways { display: grid; gap: 0; margin-bottom: 40px; border-top: 1px solid var(--line); }
.way { display: flex; flex-direction: column; padding: 18px 0; border-bottom: 1px solid var(--line); text-decoration: none; }
.way span { font-size: .9rem; color: var(--muted); }
.way strong { font-family: var(--serif); font-weight: 400; font-size: 1.6rem; color: var(--head); word-break: break-word; }
.way:hover strong { color: var(--gold-dark); }
.details { margin: 0; display: grid; gap: 22px; }
.details dt { color: var(--head); font-weight: 500; }
.details dd { margin: 0; color: var(--muted); }

.request { background: #fff; border: 1px solid var(--line); padding: clamp(24px, 4vw, 44px); }
.request h2 { font-size: 2rem; }
.request label { display: block; color: var(--head); font-size: .95rem; font-weight: 500; margin-bottom: 18px; }
.request input:not([type=radio]), .request select {
  display: block; width: 100%; margin-top: 6px; min-height: 48px; padding: 10px 14px;
  font: 400 1rem var(--sans); color: var(--head); background: var(--paper);
  border: 1px solid #CFCAC0; border-radius: 2px; }
.request input:focus, .request select:focus { outline: 2px solid var(--gold); outline-offset: 0; border-color: var(--gold); }
.request input[aria-invalid="true"] { border-color: #A3341F; }
.request .two { display: grid; grid-template-columns: 1fr 1fr; gap: 0 18px; }
.request fieldset { border: 0; margin: 0 0 18px; padding: 0; }
.request legend { color: var(--head); font-size: .95rem; font-weight: 500; margin-bottom: 8px; }
.request .radio { display: inline-flex; align-items: center; gap: 8px; margin: 0 24px 0 0; font-weight: 400; }
.request .radio input { width: 18px; height: 18px; accent-color: var(--gold); }
.form-error { color: #A3341F; font-weight: 500; }
.map-wrap iframe { display: block; width: 100%; height: 420px; border: 0; filter: grayscale(.7) sepia(.15); }

/* CTA */
.cta { background: var(--concrete); text-align: center; padding: clamp(64px, 8vw, 104px) 0; }
.cta-inner p { margin: 0 auto 28px; color: var(--muted); }

/* footer */
.site-foot { background: var(--ink); color: var(--on-dark-muted); }
.foot-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 40px; padding-top: 72px; padding-bottom: 48px; }
.foot-brand p { max-width: 36ch; margin-top: 20px; }
.foot-group a, .site-foot a { color: var(--on-dark); text-decoration: none; }
.site-foot a:hover { color: var(--gold-light); }
.foot-h { font-family: var(--sans); font-size: .95rem; font-weight: 500; color: var(--gold-light); margin-bottom: 14px; }
.foot-links { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.foot-addr { color: var(--on-dark-muted); margin-top: 6px; }
.foot-base { border-top: 1px solid var(--ink-3); padding-top: 20px; padding-bottom: 24px; font-size: .88rem; }
.foot-base p { margin: 0; }

/* floating call + WhatsApp, as on sinasinterior.com */
.fab { position: fixed; left: 20px; bottom: 20px; z-index: 40; display: grid; gap: 12px; }
.fab a { width: 52px; height: 52px; border-radius: 50%; background: var(--gold); display: grid; place-items: center; box-shadow: 0 4px 14px rgba(26,24,19,.25); }
.fab a:hover { background: var(--gold-dark); }
.fab svg { width: 24px; height: 24px; fill: #fff; }

/* responsive */
@media (max-width: 1100px) {
  .head-cta { display: none; }
}
@media (max-width: 960px) {
  .nav-toggle { display: inline-flex; align-items: center; margin-left: auto; min-height: 44px; padding: 0 18px;
    font: 500 1rem var(--sans); color: var(--head); background: transparent; border: 1px solid var(--line); border-radius: 2px; cursor: pointer; }
  .site-nav { display: none; position: absolute; left: 0; right: 0; top: 100%; background: #fff; border-bottom: 1px solid var(--line); margin: 0; box-shadow: 0 8px 20px rgba(26,24,19,.08); }
  .site-nav.open { display: block; }
  .site-nav ul { flex-direction: column; padding: 8px var(--gutter) 20px; }
  .site-nav a { padding: 14px 0; border-bottom: 1px solid var(--line); font-size: 1.1rem; }
  .site-nav a[aria-current="page"] { border-bottom-color: var(--line); color: var(--gold-dark); }
  .cards, .project-grid { grid-template-columns: 1fr 1fr; }
  .split, .service, .unit, .contact-grid { grid-template-columns: 1fr; gap: 28px; }
  .steps { grid-template-columns: 1fr 1fr; }
  .steps li:nth-child(3) { padding-left: 0; border-left: 0; }
  .steps li:nth-child(n+3) { border-top: 1px solid var(--line); }
  .foot-grid { grid-template-columns: 1fr 1fr; }
  .foot-brand { grid-column: span 2; }
}
@media (max-width: 640px) {
  :root { --gutter: 20px; }
  .head-row { min-height: 72px; }
  .brand .logo { height: 44px; }
  .foot-brand .brand .logo { height: 56px; }
  .cards, .project-grid, .photo-row { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; }
  .steps li, .steps li + li { padding-left: 0; border-left: 0; border-top: 1px solid var(--line); }
  .steps li:first-child { border-top: 0; }
  .ticks.two { grid-template-columns: 1fr; }
  .group-list li { grid-template-columns: 1fr; }
  .fact-grid { grid-template-columns: 1fr 1fr; }
  .request .two { grid-template-columns: 1fr; }
  .foot-grid { grid-template-columns: 1fr; }
  .foot-brand { grid-column: auto; }
  .drawing text { font-size: 6px; }
  .lineup text { font-size: 5.4px; }
  .ruler text { font-size: 4.6px; }
  .on-dark text { font-size: 5.2px; }
  .fab { left: auto; right: 16px; bottom: 16px; }
  .fab a { width: 48px; height: 48px; }
}