/* =========================================================
   K DE V TRANSPORT — Editorial / Architectural direction
   Palette: warm stone paper, petrol teal, signal amber
   Type: Archivo (headlines) + IBM Plex Sans (body)
   ========================================================= */

:root {
  --paper: #f2ede4;
  --paper-2: #e8e1d3;
  --stone: #d9d2c4;
  --ink: #12181a;
  --ink-soft: #4a5457;
  --teal: #0f3d3e;
  --teal-deep: #08292a;
  --amber: #e2a72e;
  --amber-dark: #c98f1c;
  --line: rgba(18, 24, 26, .16);
  --container: 1280px;
  --header-h: 84px;
  --font-head: "Archivo", "Arial Narrow", Arial, sans-serif;
  --font-body: "IBM Plex Sans", system-ui, -apple-system, "Segoe UI", sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: var(--header-h); }
body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.65;
  color: var(--ink);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; }
ul, ol { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, h4 { font-family: var(--font-head); margin: 0; line-height: 1.05; letter-spacing: -.01em; }
p { margin: 0; }

.container { width: min(var(--container), 100% - 3rem); margin-inline: auto; }
.skip-link { position: absolute; left: -999px; top: 8px; background: var(--ink); color: #fff; padding: .6rem 1rem; z-index: 200; }
.skip-link:focus { left: 8px; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: .6rem;
  padding: 1rem 1.7rem;
  font: 600 .95rem/1 var(--font-body);
  letter-spacing: .02em;
  text-decoration: none;
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform .25s ease, background .25s ease, color .25s ease, border-color .25s ease;
}
.btn:hover { transform: translateY(-2px); }
.btn-dark { background: var(--teal); color: var(--paper); }
.btn-dark:hover { background: var(--teal-deep); }
.btn-amber { background: var(--amber); color: var(--ink); }
.btn-amber:hover { background: var(--amber-dark); }
.btn-line { border-color: var(--ink); color: var(--ink); background: transparent; }
.btn-line:hover { background: var(--ink); color: var(--paper); }

/* ---------- Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(242, 237, 228, .96);
  border-bottom: 1px solid var(--line);
  transition: box-shadow .3s ease;
}
.site-header.scrolled { box-shadow: 0 6px 24px rgba(8, 41, 42, .08); }
.header-inner { display: flex; align-items: center; justify-content: space-between; height: var(--header-h); }

.brand { display: inline-flex; align-items: center; gap: .85rem; text-decoration: none; }
.brand-text { display: flex; flex-direction: column; line-height: 1.1; }
.brand-text strong { font: 800 1.35rem var(--font-head); letter-spacing: .04em; }
.brand-text em { font-style: normal; font-size: .72rem; letter-spacing: .14em; text-transform: uppercase; color: var(--ink-soft); }
.brand.light .brand-text em { color: rgba(242, 237, 228, .65); }

.nav { display: flex; align-items: center; gap: 2.2rem; }
.nav ul { display: flex; gap: 2rem; }
.nav a:not(.btn) {
  text-decoration: none; font-weight: 500; font-size: .95rem; position: relative; padding: .3rem 0;
}
.nav a:not(.btn)::after {
  content: ""; position: absolute; left: 0; bottom: 0; height: 2px; width: 100%;
  background: var(--amber); transform: scaleX(0); transform-origin: left; transition: transform .3s ease;
}
.nav a:not(.btn):hover::after { transform: scaleX(1); }
.nav-cta { padding: .8rem 1.3rem; }

.nav-toggle { display: none; background: none; border: 0; width: 44px; height: 44px; cursor: pointer; padding: 10px; flex-direction: column; justify-content: center; gap: 6px; }
.nav-toggle span { display: block; height: 2px; background: var(--ink); transition: transform .3s ease, opacity .3s ease; }
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }

/* ---------- Eyebrow ---------- */
.eyebrow {
  display: inline-flex; align-items: center; gap: .6rem;
  font: 600 .8rem var(--font-body); letter-spacing: .18em; text-transform: uppercase;
  color: var(--teal);
}
.eyebrow .dot { width: 10px; height: 10px; background: var(--amber); display: inline-block; }
.eyebrow.light { color: var(--paper); }

/* ---------- Hero ---------- */
.hero { padding: 4.5rem 0 0; position: relative; overflow: hidden; }
.hero-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 4rem; align-items: center; }
.hero h1 {
  font-size: clamp(2.8rem, 6vw, 5.6rem);
  font-weight: 800;
  font-stretch: 85%;
  text-transform: uppercase;
  line-height: .96;
  margin: 1.4rem 0 1.6rem;
}
.hero h1 .outline { color: transparent; -webkit-text-stroke: 2px var(--teal); }
.lead { font-size: 1.15rem; color: var(--ink-soft); max-width: 56ch; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 1rem; margin: 2.2rem 0 2rem; }
.hero-points { display: flex; flex-wrap: wrap; gap: .6rem 1.6rem; font-weight: 500; font-size: .95rem; }
.hero-points li { display: flex; align-items: center; gap: .55rem; }
.hero-points li::before { content: ""; width: 14px; height: 2px; background: var(--amber); }

.hero-visual { position: relative; }
.visual-frame { box-shadow: 18px 18px 0 var(--stone); }
.hero-svg { width: 100%; height: auto; }
.route { animation: dash 14s linear infinite; }
@keyframes dash { to { stroke-dashoffset: -260; } }
.float-card {
  position: absolute; left: -2.2rem; bottom: 2.2rem;
  background: var(--paper); padding: 1.1rem 1.5rem;
  border-left: 5px solid var(--amber);
  box-shadow: 0 14px 34px rgba(8, 41, 42, .18);
  display: flex; flex-direction: column;
  animation: float 6s ease-in-out infinite;
}
.float-label { font-size: .72rem; letter-spacing: .16em; text-transform: uppercase; color: var(--ink-soft); }
.float-card strong { font: 800 1.6rem var(--font-head); }
.float-sub { font-size: .85rem; color: var(--ink-soft); }
@keyframes float { 50% { transform: translateY(-8px); } }

.fact-strip {
  display: grid; grid-template-columns: repeat(4, 1fr);
  margin: 4.5rem 0 0; border-top: 2px solid var(--ink);
}
.fact-strip > div { display: flex; gap: 1rem; padding: 1.6rem 1.4rem 1.6rem 0; border-right: 1px solid var(--line); }
.fact-strip > div:not(:first-child) { padding-left: 1.4rem; }
.fact-strip > div:last-child { border-right: 0; }
.fact-strip dt { font: 800 1rem var(--font-head); color: var(--amber-dark); }
.fact-strip dd { margin: 0; display: flex; flex-direction: column; }
.fact-strip strong { font: 700 1.1rem var(--font-head); }
.fact-strip span { font-size: .9rem; color: var(--ink-soft); }

/* ---------- Sections ---------- */
.section { padding: 7rem 0; }
.section h2 { font-size: clamp(2rem, 3.8vw, 3.4rem); font-weight: 800; font-stretch: 90%; margin-top: 1rem; }
.section-head { max-width: 760px; margin-bottom: 3.5rem; }
.section-head p:last-child { margin-top: 1.2rem; color: var(--ink-soft); font-size: 1.08rem; }

/* About */
.about { background: var(--paper-2); }
.about-grid { display: grid; grid-template-columns: .85fr 1.15fr; gap: 5rem; align-items: start; }
.about-head { position: sticky; top: calc(var(--header-h) + 2rem); }
.about-art { margin-top: 2.5rem; overflow: hidden; aspect-ratio: 13/9; }
.about-art svg { width: 100%; height: 100%; transition: transform .8s ease; }
.about-art:hover svg { transform: scale(1.05); }
.about-body .big { font: 500 1.55rem/1.4 var(--font-head); font-stretch: 95%; margin-bottom: 2rem; }
.about-cols { columns: 2; column-gap: 2.5rem; color: var(--ink-soft); }
.about-cols p { margin-bottom: 1rem; break-inside: avoid; }
.about-blocks { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; margin: 2.6rem 0; border: 1px solid var(--line); }
.mini { padding: 1.6rem; border-right: 1px solid var(--line); background: var(--paper); transition: background .3s ease; }
.mini:last-child { border-right: 0; }
.mini:hover { background: #fff; }
.mini h3 { font-size: 1.15rem; margin-bottom: .6rem; }
.mini p { font-size: .95rem; color: var(--ink-soft); }
.registry { background: var(--teal); color: var(--paper); padding: 1.8rem 2rem; }
.registry h3 { font-size: 1.1rem; letter-spacing: .06em; text-transform: uppercase; margin-bottom: 1rem; color: var(--amber); }
.registry li { display: flex; gap: 1.2rem; padding: .7rem 0; border-top: 1px solid rgba(242, 237, 228, .18); font-size: .97rem; }
.registry li span { flex: 0 0 5.5rem; font: 700 .9rem var(--font-head); color: var(--amber); letter-spacing: .06em; }

/* Services — numbered rows */
.service-list { border-top: 2px solid var(--ink); }
.service {
  display: grid; grid-template-columns: 70px 1.1fr 1.4fr 1fr; gap: 2rem; align-items: start;
  padding: 2.2rem 1rem; border-bottom: 1px solid var(--line);
  transition: background .35s ease, padding-left .35s ease;
}
.service:hover { background: var(--paper-2); padding-left: 1.8rem; }
.num { font: 800 1.2rem var(--font-head); color: var(--amber-dark); padding-top: .35rem; }
.service-title h3 { font-size: 1.7rem; font-stretch: 90%; margin-bottom: .7rem; }
.tag { display: inline-block; font: 600 .72rem var(--font-body); letter-spacing: .14em; text-transform: uppercase; padding: .3rem .7rem; border: 1px solid var(--teal); color: var(--teal); }
.service p { color: var(--ink-soft); }
.chips { display: flex; flex-wrap: wrap; gap: .5rem; }
.chips li { font-size: .85rem; padding: .35rem .75rem; background: var(--paper-2); border-left: 3px solid var(--amber); }
.service:hover .chips li { background: var(--paper); }

/* Process */
.process { background: var(--stone); }
.process-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 5rem; align-items: start; }
.process-intro p { margin: 1.2rem 0 2rem; color: var(--ink-soft); font-size: 1.08rem; max-width: 46ch; }
.steps { counter-reset: s; border-left: 2px solid var(--teal); }
.steps li { display: flex; gap: 1.6rem; padding: 0 0 2.2rem 2rem; position: relative; }
.steps li:last-child { padding-bottom: 0; }
.steps li > span {
  position: absolute; left: -19px; top: 0;
  width: 36px; height: 36px; background: var(--teal); color: var(--paper);
  font: 800 1rem var(--font-head); display: grid; place-items: center;
}
.steps h3 { font-size: 1.5rem; margin-bottom: .4rem; }
.steps p { color: var(--ink-soft); max-width: 48ch; }

/* Benefits */
.benefits { background: var(--teal); color: var(--paper); }
.benefits h2 { color: var(--paper); }
.benefit-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: 1.2rem; }
.benefit {
  grid-column: span 2; padding: 2rem 1.8rem;
  border: 1px solid rgba(242, 237, 228, .22);
  transition: background .35s ease, transform .35s ease, border-color .35s ease;
}
.benefit:hover { background: var(--teal-deep); transform: translateY(-5px); border-color: var(--amber); }
.b-large { grid-column: span 4; padding: 2.6rem 2.4rem; background: var(--teal-deep); }
.b-large h3 { font-size: 2.1rem; max-width: 18ch; }
.b-wide { grid-column: span 4; }
.b-num { display: block; font: 800 .95rem var(--font-head); color: var(--amber); margin-bottom: 1.4rem; letter-spacing: .1em; }
.benefit h3 { font-size: 1.4rem; margin-bottom: .8rem; }
.benefit p { color: rgba(242, 237, 228, .78); font-size: .98rem; max-width: 52ch; }

/* Contact */
.contact { background: var(--paper); }
.contact-grid { display: grid; grid-template-columns: .95fr 1.05fr; gap: 5rem; align-items: start; }
.contact-info > p { margin: 1.2rem 0 2.2rem; color: var(--ink-soft); font-size: 1.08rem; max-width: 46ch; }
.company-card { border: 2px solid var(--ink); padding: 2rem; background: var(--paper-2); }
.company-card h3 { font-size: 1.3rem; margin-bottom: 1.2rem; }
.company-card dl { margin: 0; }
.company-card dl > div { display: grid; grid-template-columns: 7rem 1fr; padding: .9rem 0; border-top: 1px solid var(--line); }
.company-card dt { font: 600 .78rem var(--font-body); letter-spacing: .14em; text-transform: uppercase; color: var(--ink-soft); padding-top: .2rem; }
.company-card dd { margin: 0; font-weight: 500; }
.company-card a { color: var(--teal); text-decoration-thickness: 2px; text-underline-offset: 3px; }

.form { background: #fff; padding: 2.6rem; border-top: 6px solid var(--amber); box-shadow: 0 20px 50px rgba(8, 41, 42, .1); }
.form h3 { font-size: 1.7rem; margin-bottom: 1.6rem; }
.field { margin-bottom: 1.2rem; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1.2rem; }
label { display: block; font-weight: 600; font-size: .9rem; margin-bottom: .4rem; }
label small { font-weight: 400; color: var(--ink-soft); }
input[type="text"], input[type="email"], input[type="tel"], select, textarea {
  width: 100%; font: inherit; color: var(--ink);
  padding: .9rem 1rem; background: var(--paper);
  border: 1.5px solid transparent; border-bottom-color: var(--ink);
  border-radius: 0; transition: border-color .25s ease, background .25s ease;
}
input:focus, select:focus, textarea:focus { outline: none; background: #fff; border-color: var(--teal); }
textarea { resize: vertical; min-height: 130px; }
.field.invalid input, .field.invalid select, .field.invalid textarea { border-color: #b3261e; background: #fdf1f0; }
.error { display: block; min-height: 1.1rem; margin-top: .3rem; font-size: .82rem; color: #b3261e; }
.consent { display: flex; gap: .7rem; align-items: flex-start; font-weight: 400; font-size: .9rem; color: var(--ink-soft); }
.consent input { margin-top: .3rem; accent-color: var(--teal); }
.consent-error { margin-bottom: 1rem; }
.form-status { margin-top: 1rem; font-weight: 500; }
.form-status.ok { color: var(--teal); }
.form-status.fail { color: #b3261e; }

/* Footer */
.site-footer { background: var(--ink); color: rgba(242, 237, 228, .8); padding: 5rem 0 0; }
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1.3fr; gap: 3rem; padding-bottom: 3.5rem; }
.footer-brand .brand strong { color: var(--paper); }
.footer-brand p { margin-top: 1.4rem; max-width: 34ch; font-size: .95rem; }
.site-footer h4 { color: var(--amber); font-size: .85rem; letter-spacing: .16em; text-transform: uppercase; margin-bottom: 1.2rem; }
.site-footer li { margin-bottom: .55rem; font-size: .95rem; }
.site-footer a { text-decoration: none; transition: color .2s ease; }
.site-footer a:hover { color: var(--amber); }
.site-footer address { font-style: normal; font-size: .95rem; line-height: 1.8; }
.footer-bottom { display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap; padding: 1.5rem 0; border-top: 1px solid rgba(242, 237, 228, .15); font-size: .87rem; }

/* ---------- Reveal animation ---------- */
.js .reveal { opacity: 0; transform: translateY(26px); transition: opacity .8s ease, transform .8s ease; }
.js .reveal.visible { opacity: 1; transform: none; }

/* ---------- Responsive ---------- */
@media (max-width: 1100px) {
  .service { grid-template-columns: 60px 1fr 1.3fr; }
  .service .chips { grid-column: 2 / -1; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 960px) {
  :root { --header-h: 72px; }
  .nav-toggle { display: flex; }
  .nav {
    position: fixed; top: var(--header-h); left: 0; right: 0;
    flex-direction: column; align-items: stretch; gap: 1.2rem;
    background: var(--paper); padding: 1.5rem 1.5rem 2rem;
    border-bottom: 2px solid var(--ink);
    transform: translateY(-120%); visibility: hidden;
    transition: transform .35s ease, visibility .35s;
  }
  .nav.open { transform: none; visibility: visible; }
  .nav ul { flex-direction: column; gap: 0; }
  .nav li a:not(.btn) { display: block; padding: 1rem 0; border-bottom: 1px solid var(--line); font-size: 1.1rem; }
  .nav-cta { justify-content: center; }

  .hero { padding-top: 3rem; }
  .hero-grid, .about-grid, .process-grid, .contact-grid { grid-template-columns: 1fr; gap: 3rem; }
  .about-head { position: static; }
  .float-card { left: 1rem; }
  .visual-frame { box-shadow: 10px 10px 0 var(--stone); }
  .fact-strip { grid-template-columns: 1fr 1fr; }
  .fact-strip > div:nth-child(2) { border-right: 0; }
  .fact-strip > div:nth-child(3) { padding-left: 0; border-top: 1px solid var(--line); }
  .fact-strip > div:nth-child(4) { border-top: 1px solid var(--line); }
  .section { padding: 5rem 0; }
  .benefit-grid { grid-template-columns: 1fr 1fr; }
  .benefit, .b-large, .b-wide { grid-column: span 1; }
  .b-large, .b-wide { grid-column: span 2; }
}

@media (max-width: 640px) {
  body { font-size: 16px; }
  .container { width: min(var(--container), 100% - 2rem); }
  .hero h1 { font-size: 2.6rem; }
  .hero-actions .btn { width: 100%; justify-content: center; }
  .fact-strip { margin-top: 3rem; }
  .about-cols { columns: 1; }
  .about-body .big { font-size: 1.25rem; }
  .about-blocks { grid-template-columns: 1fr; }
  .mini { border-right: 0; border-bottom: 1px solid var(--line); }
  .mini:last-child { border-bottom: 0; }
  .service { grid-template-columns: 1fr; gap: 1rem; padding: 1.8rem 0; }
  .service:hover { padding-left: 0; }
  .service .chips { grid-column: auto; }
  .service-title h3 { font-size: 1.45rem; }
  .benefit-grid { grid-template-columns: 1fr; }
  .b-large, .b-wide { grid-column: span 1; }
  .b-large h3 { font-size: 1.6rem; }
  .field-row { grid-template-columns: 1fr; gap: 0; }
  .form { padding: 1.6rem; }
  .company-card dl > div { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 2rem; }
  .registry li { flex-direction: column; gap: .2rem; }
}

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