:root {
  color-scheme: dark;
  --ink: #080b12;
  --ink-soft: #10141e;
  --paper: #f4f2ec;
  --paper-strong: #ffffff;
  --muted: #aeb3bf;
  --line: rgba(255, 255, 255, 0.13);
  --dark-line: rgba(8, 11, 18, 0.13);
  --ember: #ff6b1a;
  --ember-hot: #ff8a3d;
  --max: 1240px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--ink);
  color: var(--paper);
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img { display: block; max-width: 100%; }
a { color: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }

.skip-link {
  position: fixed;
  left: 1rem;
  top: -5rem;
  z-index: 100;
  padding: .75rem 1rem;
  background: var(--paper);
  color: var(--ink);
  border-radius: 2px;
  transition: top .2s ease;
}
.skip-link:focus { top: 1rem; }

.site-header {
  position: absolute;
  inset: 0 0 auto;
  z-index: 20;
  width: min(100% - 3rem, var(--max));
  height: 92px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--line);
}
.brand, .footer-brand {
  display: inline-flex;
  align-items: center;
  gap: .8rem;
  color: var(--paper);
  font-size: 1.08rem;
  font-weight: 800;
  letter-spacing: -.02em;
  text-decoration: none;
}
.brand-mark {
  width: 2.3rem;
  height: 2.3rem;
  display: grid;
  place-items: center;
  border: 1px solid rgba(255, 107, 26, .65);
  color: var(--ember);
  font-weight: 900;
  line-height: 1;
  transform: skew(-5deg);
}
.site-header nav { display: flex; align-items: center; gap: 2rem; }
.site-header nav a {
  color: #d4d7de;
  font-size: .88rem;
  font-weight: 650;
  text-decoration: none;
  transition: color .2s ease;
}
.site-header nav a:hover, .site-header nav a:focus-visible { color: white; }
.site-header nav .nav-cta {
  padding: .7rem 1rem;
  border: 1px solid rgba(255, 107, 26, .8);
  color: white;
}

.hero {
  min-height: 790px;
  position: relative;
  overflow: hidden;
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  align-items: center;
  gap: 4rem;
  width: min(100% - 3rem, var(--max));
  margin: 0 auto;
  padding: 150px 0 80px;
}
.hero::before {
  content: "";
  position: absolute;
  width: 650px;
  height: 650px;
  right: -200px;
  top: 30px;
  background: radial-gradient(circle, rgba(255, 107, 26, .14), transparent 66%);
  pointer-events: none;
}
.hero-copy { position: relative; z-index: 2; }
.eyebrow {
  display: flex;
  align-items: center;
  gap: .7rem;
  margin: 0 0 1.25rem;
  color: var(--ember-hot);
  font-size: .75rem;
  font-weight: 800;
  letter-spacing: .16em;
  text-transform: uppercase;
}
.eyebrow span { width: 1.8rem; height: 1px; background: currentColor; }
.eyebrow.light { color: #ffc4a4; }
h1, h2, h3, p { margin-top: 0; }
h1, h2 {
  font-family: Georgia, "Times New Roman", serif;
  font-weight: 400;
  letter-spacing: -.045em;
  line-height: .99;
}
h1 { max-width: 760px; margin-bottom: 1.65rem; font-size: clamp(3.5rem, 6.2vw, 6.2rem); }
h1 em { color: var(--ember); font-weight: 400; }
h2 { font-size: clamp(2.7rem, 5vw, 4.8rem); }
.hero-lead { max-width: 650px; color: #c6cad2; font-size: 1.1rem; line-height: 1.75; }
.hero-actions { display: flex; flex-wrap: wrap; gap: .8rem; margin: 2rem 0 3rem; }
.button {
  min-height: 54px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 1.2rem;
  padding: .85rem 1.35rem;
  border: 1px solid transparent;
  text-decoration: none;
  font-size: .9rem;
  font-weight: 800;
  transition: transform .2s ease, background .2s ease, border-color .2s ease;
}
.button:hover { transform: translateY(-2px); }
.button-primary { background: var(--ember); color: #130a05; }
.button-primary:hover { background: var(--ember-hot); }
.button-secondary { border-color: var(--line); color: white; }
.button-secondary:hover { border-color: rgba(255, 255, 255, .4); }
.button.large { min-height: 62px; padding-inline: 1.7rem; }
.quick-facts { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; max-width: 590px; margin: 0; }
.quick-facts div { border-left: 1px solid var(--line); padding-left: 1rem; }
.quick-facts dt { color: white; font-size: 1.5rem; font-weight: 800; line-height: 1.1; }
.quick-facts dd { margin: .35rem 0 0; color: #888f9c; font-size: .8rem; text-transform: uppercase; letter-spacing: .09em; }

.hero-visual { min-height: 540px; position: relative; display: grid; place-items: center; }
.spark-field {
  position: absolute;
  inset: 3rem 0 0 4rem;
  opacity: .25;
  background-image: radial-gradient(circle, var(--ember) 1px, transparent 1.6px);
  background-size: 34px 34px;
  mask-image: linear-gradient(135deg, black, transparent 75%);
}
.product-stage {
  width: min(100%, 520px);
  min-height: 310px;
  position: relative;
  display: grid;
  place-items: center;
  padding: 4.5rem 2rem 3rem;
  background: linear-gradient(145deg, #191e29, #0b0e15 75%);
  border: 1px solid var(--line);
  box-shadow: 0 35px 100px rgba(0, 0, 0, .36);
  transform: rotate(2deg);
}
.product-stage::after {
  content: "";
  position: absolute;
  left: 6%;
  bottom: -1px;
  width: 38%;
  height: 3px;
  background: var(--ember);
}
.product-stage img { width: 100%; transform: rotate(-2deg); filter: drop-shadow(0 18px 16px rgba(0, 0, 0, .45)); }
.stage-label { position: absolute; top: 1.5rem; left: 1.7rem; color: #888f9c; font-size: .72rem; font-weight: 750; text-transform: uppercase; letter-spacing: .13em; }
.wire-line { position: absolute; top: 3rem; right: 2rem; width: 72px; height: 72px; border-top: 1px solid var(--ember); border-right: 1px solid var(--ember); }
.distance-note {
  position: absolute;
  right: 0;
  bottom: 1.2rem;
  display: flex;
  align-items: center;
  gap: .8rem;
  padding: .9rem 1.1rem;
  background: var(--paper);
  color: var(--ink);
  box-shadow: 0 14px 35px rgba(0, 0, 0, .25);
}
.distance-note > span { color: var(--ember); font-size: 1.7rem; }
.distance-note p { margin: 0; font-size: .8rem; line-height: 1.4; }

.trust-strip {
  width: 100%;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  background: var(--ember);
  color: #1b0b04;
}
.trust-strip p { margin: 0; padding: 1.1rem 2rem; text-align: center; font-size: .82rem; }
.trust-strip p + p { border-left: 1px solid rgba(27, 11, 4, .25); }
.trust-strip strong { margin-right: .35rem; text-transform: uppercase; letter-spacing: .08em; }

.section { padding: 8rem max(1.5rem, calc((100vw - var(--max)) / 2)); }
.section-heading { display: grid; grid-template-columns: .72fr 1.1fr .8fr; align-items: end; gap: 3rem; margin-bottom: 4rem; }
.section-heading .eyebrow { align-self: start; }
.section-heading h2, .section-heading p { margin-bottom: 0; }
.section-heading > p:last-child { color: #606570; line-height: 1.75; }

.steps-section { background: var(--paper); color: var(--ink); }
.steps-layout { display: grid; grid-template-columns: .72fr 1.28fr; gap: 5rem; align-items: stretch; }
.application-photo { min-height: 620px; margin: 0; position: relative; overflow: hidden; background: #dedbd2; }
.application-photo::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, transparent 60%, rgba(8,11,18,.84)); }
.application-photo img { width: 100%; height: 100%; object-fit: cover; image-rendering: auto; }
.application-photo figcaption { position: absolute; z-index: 1; left: 1.5rem; bottom: 1.5rem; color: white; font-size: .85rem; }
.steps-list { list-style: none; padding: 0; margin: 0; }
.steps-list li { min-height: 25%; display: grid; grid-template-columns: 70px 1fr; gap: 1rem; align-items: center; padding: 1.5rem 0; border-top: 1px solid var(--dark-line); }
.steps-list li:last-child { border-bottom: 1px solid var(--dark-line); }
.step-number { color: var(--ember); font-size: .82rem; font-weight: 800; letter-spacing: .08em; }
.steps-list h3 { margin-bottom: .35rem; font-size: 1.3rem; }
.steps-list p { margin-bottom: 0; color: #5f636b; }

.video-section { display: grid; grid-template-columns: .68fr 1.32fr; gap: 5rem; align-items: center; background: #10141d; }
.video-copy h2 { margin-bottom: 1.8rem; }
.video-copy > p:not(.eyebrow) { color: #aeb3bf; }
.text-link { display: inline-flex; gap: .8rem; margin-top: 1rem; color: var(--ember-hot); font-weight: 750; text-decoration: none; }
.text-link:hover span { transform: translateX(4px); }
.text-link span { transition: transform .2s ease; }
.video-frame, .second-video { aspect-ratio: 16 / 9; position: relative; overflow: hidden; background: black; border: 1px solid var(--line); }
.video-frame iframe, .second-video iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }

.tech-section { background: var(--paper); color: var(--ink); }
.section-heading.compact { grid-template-columns: .65fr 1.35fr; }
.spec-grid { display: grid; grid-template-columns: repeat(2, 1fr); border-top: 1px solid var(--dark-line); border-left: 1px solid var(--dark-line); }
.spec-card { min-height: 345px; position: relative; padding: 2rem; border-right: 1px solid var(--dark-line); border-bottom: 1px solid var(--dark-line); }
.spec-card.featured { background: var(--ink); color: white; }
.spec-index { position: absolute; top: 1.5rem; right: 1.5rem; color: var(--ember); font-size: .72rem; font-weight: 800; }
.spec-value { margin-bottom: 3rem; font-family: Georgia, "Times New Roman", serif; font-size: clamp(2.7rem, 5vw, 4.5rem); line-height: 1; letter-spacing: -.04em; }
.spec-value small { font-family: inherit; font-size: 1.1rem; }
.spec-card h3 { margin-bottom: .55rem; font-size: 1.1rem; }
.spec-card > p:last-child { max-width: 560px; margin-bottom: 0; color: #666b74; }
.spec-card.featured > p:last-child { color: #aeb3bf; }
.notice { display: grid; grid-template-columns: 50px 1fr; gap: 1rem; max-width: 900px; margin: 2.5rem 0 0 auto; padding: 1.5rem 0; }
.notice-icon { width: 34px; height: 34px; display: grid; place-items: center; border-radius: 50%; background: var(--ember); color: #1b0b04; font-weight: 900; }
.notice h3 { margin-bottom: .35rem; }
.notice p { margin-bottom: 0; color: #606570; }

.quality-section { display: grid; grid-template-columns: .9fr 1.1fr; gap: 5rem; align-items: center; position: relative; overflow: hidden; background: var(--ember); color: #210d05; }
.quality-section::before { content: "ORIGINAL"; position: absolute; left: -1rem; bottom: -4rem; color: rgba(33, 13, 5, .08); font-size: clamp(7rem, 16vw, 15rem); font-weight: 900; line-height: 1; pointer-events: none; }
.quality-statement, .second-video { position: relative; z-index: 1; }
.quality-statement blockquote { margin: 0 0 2rem; font-family: Georgia, "Times New Roman", serif; font-size: clamp(2.1rem, 3.6vw, 3.6rem); line-height: 1.15; letter-spacing: -.035em; }
.quality-statement > p:last-child { max-width: 600px; margin-bottom: 0; }

.buy-section {
  width: min(100% - 3rem, var(--max));
  min-height: 350px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 3rem;
  padding: 5rem 0;
}
.buy-section h2 { max-width: 850px; margin-bottom: 0; font-size: clamp(2.5rem, 5vw, 4.7rem); }
.buy-section .button { flex: 0 0 auto; }

.site-footer {
  width: min(100% - 3rem, var(--max));
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 2rem;
  align-items: end;
  padding: 2.5rem 0 3rem;
  border-top: 1px solid var(--line);
  color: #9da3af;
  font-size: .82rem;
}
.footer-brand div { display: grid; }
.footer-brand small { color: #747b88; font-size: .7rem; font-weight: 500; }
.site-footer address { font-style: normal; }
.site-footer a { text-underline-offset: 3px; }
.footer-links { display: flex; justify-content: flex-end; flex-wrap: wrap; gap: 1.2rem; }

:focus-visible { outline: 3px solid var(--ember-hot); outline-offset: 4px; }

@media (max-width: 980px) {
  .site-header nav a:not(.nav-cta) { display: none; }
  .hero { grid-template-columns: 1fr; gap: 1.5rem; padding-top: 145px; }
  .hero-visual { min-height: 450px; }
  .product-stage { max-width: 620px; }
  .section-heading { grid-template-columns: 1fr 1.6fr; }
  .section-heading > p:last-child { grid-column: 2; }
  .steps-layout, .video-section, .quality-section { grid-template-columns: 1fr; gap: 3rem; }
  .application-photo { min-height: 480px; }
  .video-copy { max-width: 650px; }
  .site-footer { grid-template-columns: 1fr 1fr; }
  .footer-links { grid-column: 1 / -1; justify-content: flex-start; }
}

@media (max-width: 680px) {
  .site-header { width: min(100% - 2rem, var(--max)); height: 78px; }
  .site-header nav { gap: .5rem; }
  .site-header nav .nav-cta { padding: .55rem .7rem; font-size: .75rem; }
  .brand { font-size: .95rem; }
  .brand-mark { width: 2rem; height: 2rem; }
  .hero { width: min(100% - 2rem, var(--max)); min-height: auto; padding: 125px 0 60px; }
  h1 { font-size: clamp(3.1rem, 15vw, 4.7rem); }
  h2 { font-size: clamp(2.5rem, 12vw, 3.8rem); }
  .hero-actions { display: grid; }
  .button { width: 100%; }
  .quick-facts { gap: .5rem; }
  .quick-facts div { padding-left: .7rem; }
  .quick-facts dt { font-size: 1.15rem; }
  .quick-facts dd { font-size: .65rem; }
  .hero-visual { min-height: 350px; }
  .product-stage { min-height: 250px; padding-inline: 1rem; }
  .distance-note { right: .5rem; bottom: -.5rem; }
  .trust-strip { grid-template-columns: 1fr; }
  .trust-strip p + p { border-left: 0; border-top: 1px solid rgba(27, 11, 4, .25); }
  .section { padding: 6rem 1rem; }
  .section-heading, .section-heading.compact { grid-template-columns: 1fr; gap: 1.2rem; margin-bottom: 3rem; }
  .section-heading > p:last-child { grid-column: auto; }
  .steps-layout { gap: 2rem; }
  .application-photo { min-height: 380px; }
  .steps-list li { grid-template-columns: 48px 1fr; }
  .spec-grid { grid-template-columns: 1fr; }
  .spec-card { min-height: 300px; }
  .quality-section { padding-inline: 1rem; }
  .buy-section { width: min(100% - 2rem, var(--max)); min-height: 400px; flex-direction: column; align-items: stretch; justify-content: center; }
  .site-footer { width: min(100% - 2rem, var(--max)); grid-template-columns: 1fr; align-items: start; }
  .footer-links { grid-column: auto; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
}