:root {
  --black: #0b0b0c;
  --ink: #151517;
  --grey-900: #1d1d20;
  --grey-700: #3a3a3f;
  --grey-500: #7b7b82;
  --grey-300: #c9c9ce;
  --grey-100: #f1f1f2;
  --white: #ffffff;
  --red: #d7262e;
  --red-hot: #ff3b43;
  --display: 'Archivo', 'Helvetica Neue', Arial, sans-serif;
  --body: 'Inter', 'Helvetica Neue', Arial, sans-serif;
  --pad: clamp(16px, 5vw, 64px);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--black);
  color: var(--white);
  font-family: var(--body);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
a { color: inherit; }
h1, h2, h3 { font-family: var(--display); margin: 0; letter-spacing: -0.02em; }
:focus-visible { outline: 2px solid var(--red-hot); outline-offset: 3px; }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  font: 600 15px/1 var(--body); text-decoration: none; cursor: pointer;
  padding: 14px 22px; border-radius: 4px; border: 1px solid transparent;
  transition: background .15s, border-color .15s, transform .15s;
}
.btn:active { transform: translateY(1px); }
.btn-red { background: var(--red); color: var(--white); }
.btn-red:hover { background: var(--red-hot); }
.btn-ghost { background: transparent; color: var(--white); border-color: var(--grey-700); }
.btn-ghost:hover { border-color: var(--grey-300); }
.btn.wide { width: 100%; }
.btn[disabled] { opacity: .5; cursor: progress; }

/* ---------- nav ---------- */
.nav {
  position: sticky; top: 0; z-index: 10;
  display: flex; align-items: center; gap: 24px;
  padding: 14px var(--pad);
  background: rgba(11, 11, 12, .82);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--grey-900);
}
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; margin-right: auto; }
.brand span, .foot-brand span { font: 800 15px/1 var(--display); letter-spacing: .08em; }
.brand b, .foot-brand b { font-weight: 800; color: var(--grey-300); }
.brand i, .foot-brand i { font-style: normal; color: var(--red); }
.tower { width: 34px; height: 34px; color: var(--white); flex: none; }
.nav-links { display: flex; gap: 22px; }
.nav-links a { text-decoration: none; color: var(--grey-300); font-size: 14px; }
.nav-links a:hover { color: var(--white); }
.nav .btn { padding: 10px 18px; }

/* ---------- hero ---------- */
.hero {
  display: grid; grid-template-columns: 1.2fr .8fr; align-items: center; gap: 32px;
  padding: clamp(48px, 9vw, 120px) var(--pad) clamp(40px, 7vw, 96px);
  background:
    radial-gradient(60% 70% at 85% 30%, rgba(215, 38, 46, .22), transparent 60%),
    linear-gradient(180deg, var(--black), var(--ink));
}
.eyebrow {
  display: inline-flex; align-items: center; gap: 10px; margin: 0 0 18px;
  font: 600 12px/1 var(--body); letter-spacing: .18em; text-transform: uppercase; color: var(--red);
}
.pulse { width: 8px; height: 8px; border-radius: 50%; background: var(--red); box-shadow: 0 0 0 0 rgba(215,38,46,.7); animation: pulse 2s infinite; }
@keyframes pulse { 70% { box-shadow: 0 0 0 10px rgba(215,38,46,0); } 100% { box-shadow: 0 0 0 0 rgba(215,38,46,0); } }
.hero h1 { font-size: clamp(48px, 9vw, 112px); font-weight: 900; line-height: .92; text-transform: uppercase; }
.lede { max-width: 560px; margin: 26px 0 32px; font-size: clamp(17px, 2vw, 20px); color: var(--grey-300); }
.lede strong { color: var(--white); font-weight: 600; }
.cta-row { display: flex; flex-wrap: wrap; gap: 12px; }

.hero-art { position: relative; display: grid; place-items: center; min-height: 320px; }
.tower.big { width: min(320px, 70vw); height: auto; aspect-ratio: 1; filter: drop-shadow(0 0 30px rgba(215, 38, 46, .35)); }
.rings span {
  position: absolute; left: 50%; top: 22%; width: 120px; height: 120px; margin: -60px 0 0 -60px;
  border: 2px solid var(--red); border-radius: 50%; opacity: 0;
  animation: broadcast 3.6s ease-out infinite;
}
.rings span:nth-child(2) { animation-delay: 1.2s; }
.rings span:nth-child(3) { animation-delay: 2.4s; }
@keyframes broadcast { 0% { transform: scale(.3); opacity: .8; } 100% { transform: scale(3.2); opacity: 0; } }
@media (prefers-reduced-motion: reduce) {
  .rings span, .pulse { animation: none; }
  html { scroll-behavior: auto; }
}

/* ---------- gas / car / road ---------- */
.trio {
  display: grid; grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--grey-900); border-bottom: 1px solid var(--grey-900);
  background: var(--ink);
}
.trio-item { padding: 36px var(--pad); border-right: 1px solid var(--grey-900); }
.trio-item:last-of-type { border-right: 0; }
.trio-k { font: 800 12px/1 var(--display); letter-spacing: .2em; text-transform: uppercase; color: var(--red); }
.trio h3 { font-size: 26px; margin: 10px 0 8px; }
.trio p { margin: 0; color: var(--grey-300); font-size: 15px; }
.trio-line {
  grid-column: 1 / -1; margin: 0; padding: 22px var(--pad);
  background: var(--red); color: var(--white);
  font: 800 clamp(18px, 2.4vw, 24px)/1.2 var(--display); text-transform: uppercase; letter-spacing: .02em;
}

/* ---------- sections ---------- */
.section { padding: clamp(56px, 9vw, 112px) var(--pad); background: var(--white); color: var(--black); }
.section h2 { font-size: clamp(32px, 5vw, 56px); font-weight: 900; line-height: 1.02; max-width: 900px; }
.section.dark { background: var(--black); color: var(--white); }

.grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; margin-top: 48px; background: var(--grey-300); border: 1px solid var(--grey-300); }
.card { background: var(--white); padding: 28px; }
.card h3 { font-size: 20px; margin: 10px 0 8px; }
.card p { margin: 0; color: var(--grey-700); font-size: 15px; }
.bolt { width: 22px; height: 22px; fill: var(--red); display: block; }

.steps { list-style: none; margin: 48px 0 0; padding: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; counter-reset: s; }
.steps li { border-top: 3px solid var(--red); padding-top: 18px; }
.steps b { font: 900 14px/1 var(--display); color: var(--red); letter-spacing: .1em; }
.steps h3 { font-size: 24px; margin: 10px 0 8px; text-transform: uppercase; }
.steps p { margin: 0; color: var(--grey-300); font-size: 15px; }

/* ---------- apply ---------- */
.apply { display: grid; grid-template-columns: .8fr 1.2fr; gap: clamp(32px, 6vw, 80px); background: var(--grey-100); }
.apply-copy p:not(.eyebrow) { color: var(--grey-700); font-size: 17px; }
.ticks { list-style: none; padding: 0; margin: 24px 0 0; }
.ticks li { padding: 6px 0 6px 26px; position: relative; color: var(--grey-700); }
.ticks li::before {
  content: ''; position: absolute; left: 0; top: 9px; width: 14px; height: 14px; background: var(--red);
  -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M13 2 4 14h7l-1 8 9-12h-7z'/%3E%3C/svg%3E") center / contain no-repeat;
          mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M13 2 4 14h7l-1 8 9-12h-7z'/%3E%3C/svg%3E") center / contain no-repeat;
}
.apply-form { background: var(--white); padding: clamp(20px, 4vw, 36px); border-top: 4px solid var(--red); }
.row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.apply-form label { display: block; margin-bottom: 16px; font-size: 13px; font-weight: 600; color: var(--grey-700); }
.opt { font-weight: 400; color: var(--grey-500); }
.apply-form input, .apply-form select, .apply-form textarea {
  display: block; width: 100%; margin-top: 6px; padding: 12px 14px;
  font: 400 15px/1.4 var(--body); color: var(--black);
  background: var(--white); border: 1px solid var(--grey-300); border-radius: 4px;
}
.apply-form input:focus, .apply-form select:focus, .apply-form textarea:focus { outline: none; border-color: var(--black); box-shadow: 0 0 0 3px rgba(215, 38, 46, .18); }
.apply-form .invalid { border-color: var(--red); }
.hp { position: absolute !important; left: -9999px !important; width: 1px; height: 1px; overflow: hidden; }
.form-msg { margin: 14px 0 0; font-size: 14px; min-height: 1.4em; }
.form-msg.ok { color: #157a3c; font-weight: 600; }
.form-msg.err { color: var(--red); }

/* ---------- footer ---------- */
.footer { padding: 40px var(--pad); background: var(--black); border-top: 1px solid var(--grey-900); }
.foot-brand { display: flex; align-items: center; gap: 10px; margin-bottom: 18px; }
.legal { color: var(--grey-500); font-size: 12px; max-width: 820px; margin: 0 0 10px; }

/* ---------- responsive ---------- */
@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; }
  .hero-art { min-height: 240px; order: -1; }
  .tower.big { width: 200px; }
  .trio, .grid { grid-template-columns: 1fr; }
  .trio-item { border-right: 0; border-bottom: 1px solid var(--grey-900); }
  .steps { grid-template-columns: 1fr 1fr; }
  .apply { grid-template-columns: 1fr; }
}
@media (max-width: 600px) {
  .nav-links { display: none; }
  .steps, .row { grid-template-columns: 1fr; }
}