/* ============================================================
   BrawnTR — brand stylesheet
   Brand: Brawn GP-inspired. Black / white / signature lime-yellow.
   Display type: Berthold Akzidenz Grotesk (self-hosted).
   ============================================================ */

/* ---------- Fonts ---------- */
@font-face {
  font-family: "Akzidenz Super";
  src: url("../fonts/akzidenz-super.otf") format("opentype");
  font-weight: 800;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Akzidenz Medium";
  src: url("../fonts/akzidenz-medium.otf") format("opentype");
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}

/* ---------- Tokens ---------- */
:root {
  --black: #0a0a0a;
  --ink: #111213;
  --charcoal: #18191b;
  --charcoal-2: #202225;
  --line: rgba(255, 255, 255, 0.10);
  --line-dark: rgba(0, 0, 0, 0.10);
  --white: #ffffff;
  --paper: #f4f5f3;
  --lime: #d4f500;
  --lime-dim: #b9d600;
  --grey: #6b7280;
  --grey-2: #9aa0a6;
  --grey-light: #c9cdd1;

  --maxw: 1180px;
  --pad: clamp(20px, 5vw, 56px);
  --radius: 4px;

  --display: "Akzidenz Super", "Arial Narrow", system-ui, sans-serif;
  --sub: "Akzidenz Medium", system-ui, sans-serif;
  --body: system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--body);
  background: var(--black);
  color: var(--white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img, video { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul, ol { margin: 0; padding: 0; list-style: none; }
h1, h2, h3 { margin: 0; line-height: 1.02; }

.container { width: 100%; max-width: var(--maxw); margin-inline: auto; padding-inline: var(--pad); }
.lime { color: var(--lime); }

/* ---------- Logo ---------- */
.logo { display: inline-flex; align-items: center; }
.logo img { height: 30px; width: auto; display: block; }
.site-header.scrolled .logo img { height: 26px; transition: height .3s ease; }
.logo-footer img { height: 28px; }
@media (max-width: 760px) {
  .logo img { height: 26px; }
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5em;
  font-family: var(--sub);
  font-weight: 500;
  font-size: 0.9rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 0.85em 1.5em;
  border-radius: var(--radius);
  border: 1.5px solid transparent;
  cursor: pointer;
  transition: transform .15s ease, background .2s ease, color .2s ease, border-color .2s ease;
  white-space: nowrap;
}
.btn:active { transform: translateY(1px); }
.btn-lime { background: var(--lime); color: var(--black); }
.btn-lime:hover { background: #e4ff1f; transform: translateY(-2px); }
.btn-ghost { background: transparent; color: var(--white); border-color: rgba(255,255,255,.35); }
.btn-ghost:hover { border-color: var(--lime); color: var(--lime); }
.btn-lg { font-size: 0.98rem; padding: 1.05em 1.9em; }
.btn-block { width: 100%; }

/* ---------- Header ---------- */
.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  background: transparent;
  transition: background .3s ease, border-color .3s ease, padding .3s ease;
  border-bottom: 1px solid transparent;
}
.site-header.scrolled {
  background: rgba(10,10,10,.88);
  backdrop-filter: blur(12px);
  border-bottom-color: var(--line);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: clamp(24px, 5vw, 56px);
  padding-block: 18px;
  transition: padding .3s ease;
}
.logo { flex-shrink: 0; }
.site-header.scrolled .header-inner { padding-block: 12px; }
.nav { display: flex; align-items: center; gap: clamp(14px, 2vw, 30px); }
.nav > a:not(.btn) {
  font-family: var(--sub);
  font-size: 0.86rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--grey-light);
  transition: color .2s ease;
}
.nav > a:not(.btn):hover { color: var(--lime); }
.nav-cta { font-size: 0.82rem; padding: 0.7em 1.2em; }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: 0;
  padding: 8px;
  cursor: pointer;
}
.nav-toggle span {
  width: 26px; height: 2px; background: var(--white);
  transition: transform .25s ease, opacity .25s ease;
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding-top: 80px;
}
.hero-bg {
  position: absolute; inset: 0; z-index: 0; overflow: hidden;
  background:
    radial-gradient(120% 100% at 80% 0%, #1c1f12 0%, #0c0d0a 45%, var(--black) 100%);
}
.hero-bg::before {
  /* subtle technical grid */
  content: ""; position: absolute; inset: 0; opacity: .5;
  background-image:
    linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(110% 80% at 70% 30%, #000 0%, transparent 80%);
}
.ribbon {
  position: absolute; height: 8px; border-radius: 8px;
  transform: skewX(-22deg);
  filter: drop-shadow(0 0 24px rgba(212,245,0,.35));
}
.ribbon.r1 { top: 24%; right: -6%; width: 46%; background: var(--lime); opacity: .95; }
.ribbon.r2 { top: 30%; right: 2%;  width: 30%; background: var(--lime); opacity: .55; height: 6px; }
.ribbon.r3 { top: 37%; right: 10%; width: 18%; background: var(--lime); opacity: .30; height: 5px; }
@media (max-width: 760px) {
  .ribbon.r1 { top: 12%; width: 70%; }
  .ribbon.r2 { top: 18%; width: 48%; }
  .ribbon.r3 { top: 23%; width: 30%; }
}
.hero-overlay {
  position: absolute; inset: 0; z-index: 1;
  background:
    linear-gradient(180deg, rgba(10,10,10,.20) 0%, rgba(10,10,10,.10) 40%, rgba(10,10,10,.85) 100%),
    linear-gradient(90deg, rgba(10,10,10,.75) 0%, rgba(10,10,10,0) 75%);
}
.hero-content { position: relative; z-index: 2; max-width: 760px; padding-block: 60px; }
.hero-eyebrow {
  font-family: var(--sub);
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 0.82rem;
  color: var(--lime);
  margin: 0 0 22px;
  padding-left: 52px;
  position: relative;
}
.hero-eyebrow::before {
  content: ""; position: absolute; left: 0; top: 50%;
  width: 38px; height: 2px; background: var(--lime); transform: translateY(-50%);
}
.hero-title {
  font-family: var(--display);
  font-weight: 800;
  font-size: clamp(2.6rem, 7vw, 5.4rem);
  letter-spacing: -0.02em;
  text-transform: uppercase;
  transform: skewX(-6deg);
  margin: 0 0 26px;
}
.hero-sub {
  font-size: clamp(1.02rem, 1.6vw, 1.22rem);
  color: var(--grey-light);
  max-width: 560px;
  margin: 0 0 34px;
}
.hero-sub strong { color: var(--white); }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 46px; }
.hero-tagline {
  display: flex; gap: 22px; flex-wrap: wrap;
  font-family: var(--display);
  font-style: italic;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  font-size: clamp(1rem, 2vw, 1.5rem);
  margin: 0;
}
.hero-tagline span { position: relative; padding-left: 26px; }
.hero-tagline span::before {
  content: ""; position: absolute; left: 0; top: 50%; transform: translateY(-50%) skewX(-12deg);
  width: 16px; height: 4px; background: var(--lime);
}

/* ---------- Trust bar ---------- */
.trust { background: var(--lime); color: var(--black); }
.trust-grid {
  display: grid; grid-template-columns: repeat(4, 1fr);
}
.trust-item {
  padding: 26px var(--pad);
  display: flex; flex-direction: column; gap: 2px;
  border-right: 1px solid rgba(0,0,0,.12);
}
.trust-grid { padding-inline: 0; }
.trust-item:last-child { border-right: 0; }
.trust-key {
  font-family: var(--display); font-style: italic; text-transform: uppercase;
  font-size: 1.5rem; letter-spacing: -0.01em; line-height: 1;
}
.trust-val { font-family: var(--sub); font-size: 0.82rem; text-transform: uppercase; letter-spacing: 0.04em; }

/* ---------- Sections ---------- */
.section { padding-block: clamp(64px, 9vw, 120px); }
.section-dark { background: var(--ink); }
.section-head { max-width: 720px; margin-bottom: clamp(38px, 5vw, 64px); }
.eyebrow {
  font-family: var(--sub);
  text-transform: uppercase; letter-spacing: 0.16em;
  font-size: 0.78rem; color: var(--lime);
  margin: 0 0 16px; padding-left: 38px; position: relative;
}
.eyebrow::before {
  content: ""; position: absolute; left: 0; top: 50%; transform: translateY(-50%);
  width: 26px; height: 2px; background: var(--lime);
}
.section-title {
  font-family: var(--display); font-weight: 800;
  font-size: clamp(1.9rem, 4.2vw, 3.2rem);
  text-transform: uppercase; letter-spacing: -0.015em;
  transform: skewX(-5deg);
}
.section-lead { color: var(--grey-2); font-size: 1.08rem; margin: 20px 0 0; max-width: 620px; }

/* ---------- Card grids ---------- */
.card-grid { display: grid; gap: 18px; }
.card-grid.two { grid-template-columns: repeat(2, 1fr); }
.card-grid.four { grid-template-columns: repeat(4, 1fr); }

/* Value cards */
.vcard {
  background: var(--charcoal);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 30px 26px 32px;
  position: relative;
  overflow: hidden;
  transition: transform .25s ease, border-color .25s ease;
}
.vcard::before {
  content: ""; position: absolute; left: 0; top: 0; height: 3px; width: 0;
  background: var(--lime); transition: width .35s ease;
}
.vcard:hover { transform: translateY(-4px); border-color: rgba(212,245,0,.45); }
.vcard:hover::before { width: 100%; }
.vcard-num {
  font-family: var(--display); font-style: italic; color: var(--lime);
  font-size: 1.1rem; letter-spacing: 0.1em; margin-bottom: 18px;
}
.vcard h3 { font-family: var(--sub); font-size: 1.18rem; margin-bottom: 10px; }
.vcard p { color: var(--grey-2); font-size: 0.96rem; margin: 0; }

/* Fleet cards */
.fleet-card {
  background: var(--charcoal-2);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 32px 30px 34px;
  display: flex; flex-direction: column;
  position: relative; overflow: hidden;
}
.fleet-card::after {
  content: ""; position: absolute; right: -40px; top: -40px;
  width: 130px; height: 130px;
  background: linear-gradient(135deg, rgba(212,245,0,.18), transparent 70%);
  transform: skewX(-18deg);
}
.fleet-tag {
  align-self: flex-start;
  font-family: var(--sub); font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.12em;
  background: var(--lime); color: var(--black);
  padding: 5px 11px; border-radius: 2px; margin-bottom: 18px;
}
.fleet-card h3 {
  font-family: var(--display); font-style: italic; text-transform: uppercase;
  font-size: clamp(1.8rem, 3vw, 2.4rem); letter-spacing: -0.01em; margin-bottom: 14px;
}
.fleet-card > p { color: var(--grey-2); margin: 0 0 22px; }
.spec-list { display: flex; flex-direction: column; gap: 10px; margin-bottom: 28px; }
.spec-list li {
  padding-left: 26px; position: relative; color: var(--grey-light); font-size: 0.95rem;
}
.spec-list li::before {
  content: ""; position: absolute; left: 0; top: 0.5em;
  width: 12px; height: 3px; background: var(--lime); transform: skewX(-20deg);
}
.fleet-card .btn { margin-top: auto; }
.fleet-note { text-align: center; color: var(--grey-2); margin: 36px 0 0; }
.fleet-note a { color: var(--lime); border-bottom: 1px solid rgba(212,245,0,.4); }

/* ---------- Savings band ---------- */
.band {
  background: var(--lime); color: var(--black);
  padding-block: clamp(44px, 6vw, 72px);
}
.band-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; }
.band-stat { text-align: center; }
.band-num {
  display: block; font-family: var(--display); font-style: italic;
  font-size: clamp(3rem, 8vw, 5.5rem); line-height: 0.9; letter-spacing: -0.02em;
}
.band-label { display: block; font-family: var(--sub); text-transform: uppercase; letter-spacing: 0.04em; font-size: 0.86rem; max-width: 240px; margin: 12px auto 0; }

/* ---------- Steps ---------- */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; counter-reset: step; }
.step { position: relative; padding-top: 14px; border-top: 2px solid var(--line); }
.step-num {
  font-family: var(--display); font-style: italic; color: var(--lime);
  font-size: 2.4rem; line-height: 1; margin-bottom: 14px;
}
.step h3 { font-family: var(--sub); font-size: 1.12rem; margin-bottom: 8px; }
.step p { color: var(--grey-2); font-size: 0.95rem; margin: 0; }

/* ---------- Sectors ---------- */
.sector-card {
  border: 1px solid var(--line); border-radius: var(--radius);
  padding: 28px 24px; transition: background .25s ease, transform .25s ease;
}
.sector-card:hover { background: var(--charcoal); transform: translateY(-4px); }
.sector-card h3 {
  font-family: var(--sub); font-size: 1.14rem; margin-bottom: 10px;
  padding-bottom: 12px; border-bottom: 1px solid var(--line);
}
.sector-card p { color: var(--grey-2); font-size: 0.95rem; margin: 12px 0 0; }

/* ---------- Coverage ---------- */
.cities { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.city {
  border: 1px solid var(--line); border-radius: var(--radius);
  padding: 34px 26px; display: flex; flex-direction: column; gap: 4px;
  position: relative; overflow: hidden; transition: border-color .25s ease;
}
.city::before {
  content: ""; position: absolute; left: 0; bottom: 0; height: 4px; width: 40%;
  background: var(--lime); transform: skewX(-30deg) translateX(-6px);
}
.city:hover { border-color: rgba(212,245,0,.5); }
.city-name { font-family: var(--display); font-style: italic; text-transform: uppercase; font-size: 1.7rem; }
.city-state { font-family: var(--sub); text-transform: uppercase; letter-spacing: 0.1em; font-size: 0.78rem; color: var(--grey-2); }
.city-soon { border-style: dashed; }
.city-soon .city-name { color: var(--lime); }

/* ---------- Founders ---------- */
.founder {
  background: var(--charcoal); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 30px 28px;
}
.founder h3 { font-family: var(--display); font-style: italic; text-transform: uppercase; font-size: 1.7rem; }
.founder-role { font-family: var(--sub); text-transform: uppercase; letter-spacing: 0.1em; font-size: 0.78rem; color: var(--lime); margin: 4px 0 16px; }
.founder p:last-child { color: var(--grey-2); margin: 0; }

/* ---------- Contact ---------- */
.contact { background: var(--ink); }
.contact-grid { display: grid; grid-template-columns: 1fr 1.05fr; gap: clamp(34px, 5vw, 70px); align-items: start; }
.contact-direct { margin-top: 34px; display: flex; flex-direction: column; gap: 18px; }
.contact-direct li { display: flex; flex-direction: column; gap: 2px; border-left: 2px solid var(--lime); padding-left: 16px; }
.cd-label { font-family: var(--sub); text-transform: uppercase; letter-spacing: 0.1em; font-size: 0.74rem; color: var(--grey-2); }
.cd-val { font-size: 1.08rem; }
a.cd-val:hover { color: var(--lime); }

.enquiry {
  background: var(--charcoal); border: 1px solid var(--line);
  border-radius: var(--radius); padding: clamp(26px, 4vw, 40px);
}
.field { margin-bottom: 18px; display: flex; flex-direction: column; gap: 7px; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.field label {
  font-family: var(--sub); text-transform: uppercase; letter-spacing: 0.06em;
  font-size: 0.76rem; color: var(--grey-light);
}
.field .optional { text-transform: none; letter-spacing: 0; color: var(--grey); }
.field input, .field select, .field textarea {
  background: var(--black); border: 1px solid var(--line); border-radius: var(--radius);
  color: var(--white); padding: 12px 14px; font-size: 0.98rem; font-family: var(--body);
  width: 100%; transition: border-color .2s ease, box-shadow .2s ease;
}
.field textarea { resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none; border-color: var(--lime); box-shadow: 0 0 0 3px rgba(212,245,0,.18);
}
.field select { appearance: none; background-image: linear-gradient(45deg, transparent 50%, var(--lime) 50%), linear-gradient(135deg, var(--lime) 50%, transparent 50%); background-position: calc(100% - 20px) center, calc(100% - 14px) center; background-size: 6px 6px, 6px 6px; background-repeat: no-repeat; }
.form-status { margin: 14px 0 0; font-size: 0.92rem; min-height: 1.2em; }
.form-status.ok { color: var(--lime); }
.form-status.err { color: #ff6b6b; }

/* ---------- Footer ---------- */
.site-footer { background: var(--black); border-top: 1px solid var(--line); padding-top: 56px; }
.footer-inner { display: flex; justify-content: space-between; gap: 40px; flex-wrap: wrap; padding-bottom: 40px; }
.footer-tag { font-family: var(--display); font-style: italic; text-transform: uppercase; color: var(--lime); margin: 16px 0 6px; letter-spacing: 0.02em; }
.footer-desc { color: var(--grey-2); margin: 0; max-width: 280px; }
.footer-nav { display: flex; flex-wrap: wrap; gap: 14px 28px; align-content: flex-start; }
.footer-nav a { font-family: var(--sub); text-transform: uppercase; letter-spacing: 0.05em; font-size: 0.84rem; color: var(--grey-light); }
.footer-nav a:hover { color: var(--lime); }
.footer-bottom {
  display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap;
  border-top: 1px solid var(--line); padding-block: 22px; margin-top: 0;
  font-size: 0.82rem; color: var(--grey);
}

/* ---------- Scroll reveal ---------- */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .6s ease, transform .6s ease; }
.reveal.in { opacity: 1; transform: none; }

/* ---------- Responsive ---------- */
@media (max-width: 980px) {
  .card-grid.four { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .cities { grid-template-columns: repeat(2, 1fr); }
  .trust-grid { grid-template-columns: repeat(2, 1fr); }
  .trust-item:nth-child(2) { border-right: 0; }
  .trust-item:nth-child(1), .trust-item:nth-child(2) { border-bottom: 1px solid rgba(0,0,0,.12); }
  .contact-grid { grid-template-columns: 1fr; }
}

@media (max-width: 1024px) {
  .nav {
    position: fixed; inset: 0 0 0 auto; width: min(82vw, 340px);
    flex-direction: column; align-items: flex-start; justify-content: center;
    gap: 26px; background: var(--ink); padding: 40px;
    transform: translateX(100%); transition: transform .3s ease;
    border-left: 1px solid var(--line); z-index: 99;
  }
  .nav.open { transform: translateX(0); }
  .nav > a:not(.btn) { font-size: 1.1rem; }
  .nav-cta { font-size: 0.92rem; }
  .nav-toggle { display: flex; z-index: 100; }
  body.menu-open { overflow: hidden; }
  body.menu-open .nav-toggle span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  body.menu-open .nav-toggle span:nth-child(2) { opacity: 0; }
  body.menu-open .nav-toggle span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
}

@media (max-width: 560px) {
  .card-grid.two, .card-grid.four, .steps, .cities { grid-template-columns: 1fr; }
  .band-grid { grid-template-columns: 1fr; gap: 28px; }
  .trust-grid { grid-template-columns: 1fr; }
  .trust-item { border-right: 0 !important; border-bottom: 1px solid rgba(0,0,0,.12); }
  .field-row { grid-template-columns: 1fr; }
  .hero-actions .btn { flex: 1; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
}