/*
Theme Name: BESTRUCK SWELL Child
Theme URI: https://bestruck.co.jp/
Description: Nutchecker landing page child theme based on SWELL.
Author: BESTRUCK
Template: swell
Version: 1.1.7
Text Domain: bestruck-swell-child
*/
:root {
  color-scheme: light;
  --ink: #111820;
  --ink-soft: #27323f;
  --muted: #65717d;
  --line: #dce3e8;
  --paper: #f5f7f8;
  --white: #ffffff;
  --red: #d90d25;
  --red-dark: #a60e1c;
  --yellow: #f6bd16;
  --green: #17765f;
  --blue: #1f4e68;
  --steel: #1f2e3b;
  --steel-2: #314454;
  --steel-soft: #eaf0f3;
  --shadow: 0 18px 52px rgba(17, 24, 32, 0.14);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: "Hiragino Kaku Gothic ProN", "Yu Gothic", Meiryo, system-ui, sans-serif;
  line-height: 1.75;
}

img {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
  text-decoration: none;
}

.nowrap {
  white-space: nowrap;
}

.hero-line {
  display: block;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 16px;
  font-size: 66px;
  line-height: 1.02;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 18px;
  font-size: 44px;
  line-height: 1.18;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 10px;
  font-size: 21px;
  line-height: 1.36;
  letter-spacing: 0;
}

p {
  margin-bottom: 0;
}

.site-header {
  position: fixed;
  z-index: 50;
  top: 0;
  right: 0;
  left: 0;
  display: grid;
  grid-template-columns: 1fr auto auto;
  gap: 30px;
  align-items: center;
  min-height: 82px;
  padding: 0 clamp(32px, 4vw, 64px);
  color: var(--white);
  background: rgba(7, 11, 16, 0.88);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(16px);
  transition: background 180ms ease, box-shadow 180ms ease, color 180ms ease, border-color 180ms ease;
}

.site-header[data-elevated="true"] {
  color: var(--ink);
  background: rgba(255, 255, 255, 0.96);
  border-bottom-color: rgba(220, 227, 232, 0.92);
  box-shadow: 0 1px 0 rgba(220, 227, 232, 0.92);
  backdrop-filter: blur(18px);
}

.site-header a {
  color: inherit;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
  font-weight: 900;
}

.brand img {
  width: 130px;
  height: auto;
  filter: brightness(0) invert(1);
}

.site-header[data-elevated="true"] .brand img {
  filter: none;
}

.brand span {
  color: var(--white);
  white-space: nowrap;
}

.site-header[data-elevated="true"] .brand span {
  color: var(--ink);
}

.nav {
  display: flex;
  gap: 24px;
  font-size: 14px;
  font-weight: 900;
}

.nav a {
  color: rgba(255, 255, 255, 0.9);
  opacity: 0.9;
}

.site-header[data-elevated="true"] .nav a,
.site-header[data-elevated="true"] .header-link {
  color: var(--ink);
}

.nav a:hover,
.header-link:hover {
  opacity: 1;
}

.header-actions {
  display: flex;
  gap: 12px;
  align-items: center;
}

.header-link {
  color: inherit;
  font-size: 14px;
  font-weight: 900;
  opacity: 0.9;
}

.header-cta,
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  border: 1px solid transparent;
  border-radius: 6px;
  padding: 11px 18px;
  font-weight: 900;
  line-height: 1.25;
  text-align: center;
}

.header-cta {
  color: var(--ink);
  background: var(--yellow);
}

.button.primary {
  color: var(--white);
  background: var(--red);
  box-shadow: 0 12px 26px rgba(217, 13, 37, 0.26);
}

.button.primary:hover {
  background: var(--red-dark);
}

.button.secondary {
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.68);
  background: rgba(255, 255, 255, 0.08);
}

.button.light {
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.68);
  background: rgba(255, 255, 255, 0.09);
}

.button.secondary-dark {
  color: var(--ink);
  border-color: rgba(17, 24, 32, 0.16);
  background: var(--white);
}

.hero {
  position: relative;
  min-height: 86svh;
  display: flex;
  align-items: flex-end;
  overflow: hidden;
  color: var(--white);
  background:
    linear-gradient(90deg, rgba(8, 15, 22, 0.98) 0%, rgba(8, 15, 22, 0.86) 43%, rgba(8, 15, 22, 0.34) 100%),
    linear-gradient(0deg, rgba(8, 15, 22, 0.8), rgba(8, 15, 22, 0.12) 48%),
    url("./assets/hero-wheel.jpg") center right / cover no-repeat;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
  background-size: 96px 96px;
  mask-image: linear-gradient(90deg, black, transparent 72%);
  pointer-events: none;
}

.hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 700px) minmax(320px, 420px);
  gap: clamp(34px, 6vw, 82px);
  align-items: end;
  width: min(1180px, calc(100% - 48px));
  margin: 0 auto;
  padding: 138px 0 46px;
}

.hero-copy-block {
  min-width: 0;
}

.hero h1 {
  max-width: 760px;
  line-height: 0.96;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--yellow);
  font-size: 13px;
  font-weight: 900;
  letter-spacing: 0;
}

.hero-statement {
  max-width: 760px;
  margin-bottom: 16px;
  color: var(--white);
  font-size: 34px;
  font-weight: 900;
  line-height: 1.34;
}

.hero-lead {
  max-width: 720px;
  margin-bottom: 28px;
  color: rgba(255, 255, 255, 0.88);
  font-size: 18px;
}

.hero-actions,
.agency-actions,
.final-actions,
.audience-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
}

.hero-actions {
  margin-bottom: 38px;
}

.hero-facts {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  width: min(760px, 100%);
  margin: 0;
  border-top: 1px solid rgba(255, 255, 255, 0.26);
}

.hero-facts div {
  min-height: 88px;
  padding: 17px 26px 0 0;
}

.hero-facts dt {
  color: rgba(255, 255, 255, 0.68);
  font-size: 13px;
  font-weight: 900;
}

.hero-facts dd {
  margin: 0;
  font-size: 28px;
  font-weight: 900;
  line-height: 1.25;
}

.hero-facts small {
  font-size: 14px;
}

.hero-product-card {
  margin: 0;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 8px;
  padding: 18px;
  color: var(--ink);
  background: rgba(255, 255, 255, 0.94);
  box-shadow: 0 26px 70px rgba(0, 0, 0, 0.38);
  backdrop-filter: blur(14px);
}

.hero-mobile-product {
  display: none;
}

.hero-product-kicker {
  margin-bottom: 12px;
  color: var(--red);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0;
  text-transform: uppercase;
}

.hero-product-frame {
  display: grid;
  place-items: center;
  min-height: 198px;
  border: 1px solid #e0e7eb;
  border-radius: 8px;
  padding: 20px;
  background:
    linear-gradient(rgba(17, 24, 32, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(17, 24, 32, 0.04) 1px, transparent 1px),
    linear-gradient(145deg, #ffffff 0%, #eef3f4 100%);
  background-size: 28px 28px, 28px 28px, auto;
}

.hero-product-frame img {
  max-height: 214px;
  object-fit: contain;
  filter: drop-shadow(0 18px 24px rgba(17, 24, 32, 0.22));
}

.hero-product-card figcaption {
  display: grid;
  gap: 6px;
  margin-top: 16px;
}

.hero-product-card figcaption strong {
  font-size: 18px;
  line-height: 1.35;
}

.hero-product-card figcaption span {
  color: var(--muted);
  font-size: 14px;
}

.hero-product-specs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  overflow: hidden;
  margin: 16px 0 0;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--line);
}

.hero-product-specs div {
  padding: 12px 14px;
  background: #fbfcfc;
}

.hero-product-specs dt {
  color: var(--muted);
  font-size: 11px;
  font-weight: 900;
}

.hero-product-specs dd {
  margin: 0;
  color: var(--ink);
  font-size: 15px;
  font-weight: 900;
  line-height: 1.35;
}

.hero-product-specs small {
  display: block;
  font-size: 11px;
}

.audience-bar {
  color: var(--white);
  background: var(--red);
}

.audience-inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 20px;
  align-items: center;
  width: min(1180px, calc(100% - 48px));
  margin: 0 auto;
  padding: 18px 0;
}

.audience-inner p {
  font-weight: 900;
}

.audience-actions a {
  min-width: 132px;
  min-height: 38px;
  border: 1px solid rgba(255, 255, 255, 0.64);
  border-radius: 6px;
  padding: 7px 12px;
  color: var(--white);
  text-align: center;
  font-size: 14px;
  font-weight: 900;
}

.section,
.route-section,
.comparison-section {
  width: min(1180px, calc(100% - 48px));
  margin: 0 auto;
  padding: 92px 0;
}

.section-head {
  max-width: 820px;
  margin-bottom: 36px;
}

.section-head p,
.issue-grid p,
.solution-copy p,
.value-grid p,
.calculation-band p,
.agency-main p,
.agency-points p,
.route-flow span,
.spec-note p,
.faq-list p,
.final-cta p,
figcaption {
  color: var(--muted);
}

.issue-grid,
.role-grid,
.value-grid,
.price-grid,
.agency-points,
.sample-checks,
.voice-grid {
  display: grid;
  gap: 18px;
}

.issue-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.issue-grid article,
.price-grid article,
.agency-points article,
.route-flow li,
.spec-note,
details,
.sample-checks article,
.voice-grid article {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
}

.issue-grid article {
  min-height: 236px;
  padding: 26px;
}

.issue-grid span,
.agency-points span,
.route-flow li::before,
.sample-checks span {
  display: block;
  color: var(--red);
  font-size: 34px;
  font-weight: 900;
  line-height: 1;
}

.issue-grid span {
  margin-bottom: 30px;
}

.public-context {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 380px);
  gap: 28px;
  align-items: stretch;
  width: min(1180px, calc(100% - 48px));
  margin: 0 auto;
  padding: 0 0 92px;
}

.context-copy,
.context-metric {
  border-radius: 8px;
  background: var(--white);
  box-shadow: 0 1px 0 rgba(17, 24, 32, 0.04);
}

.context-copy {
  border: 1px solid var(--line);
  padding: 34px;
}

.context-copy p {
  color: var(--muted);
}

.source-link {
  display: inline-flex;
  align-items: center;
  min-height: 42px;
  margin-top: 22px;
  border-bottom: 2px solid var(--red);
  color: var(--ink);
  font-weight: 900;
}

.context-metric {
  display: grid;
  align-content: center;
  border: 1px solid rgba(217, 13, 37, 0.22);
  padding: 34px;
  color: var(--white);
  background:
    linear-gradient(145deg, rgba(217, 13, 37, 0.96), rgba(31, 46, 59, 0.96)),
    url("./assets/hero-wheel.jpg") center / cover no-repeat;
}

.context-metric p {
  margin-bottom: 8px;
  color: rgba(255, 255, 255, 0.74);
  font-weight: 900;
}

.context-metric strong {
  display: block;
  font-size: 76px;
  line-height: 1;
  letter-spacing: 0;
}

.context-metric span {
  margin-top: 12px;
  color: rgba(255, 255, 255, 0.86);
  font-weight: 900;
}

.solution-band {
  display: grid;
  grid-template-columns: minmax(24px, 1fr) minmax(330px, 560px) minmax(360px, 600px) minmax(24px, 1fr);
  gap: 58px;
  align-items: center;
  padding: 96px 0;
  background: var(--white);
}

.solution-copy {
  grid-column: 2;
}

.product-visual {
  grid-column: 3;
  margin: 0;
}

.product-visual img {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  box-shadow: var(--shadow);
}

figcaption {
  margin-top: 12px;
  font-size: 13px;
}

.check-list {
  display: grid;
  gap: 10px;
  padding: 0;
  margin: 24px 0 0;
  list-style: none;
}

.check-list li {
  position: relative;
  padding-left: 28px;
  font-weight: 900;
}

.check-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 14px;
  height: 8px;
  border-bottom: 3px solid var(--green);
  border-left: 3px solid var(--green);
  transform: rotate(-45deg);
}

.value-section {
  position: relative;
  width: auto;
  padding: 94px max(24px, calc((100vw - 1180px) / 2));
  background:
    linear-gradient(180deg, #f8fafb 0%, #edf3f6 100%);
  isolation: isolate;
}

.role-section {
  width: min(1180px, calc(100% - 48px));
  margin: 0 auto;
  padding: 92px 0;
}

.role-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.role-grid article {
  min-height: 244px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 24px;
  background: var(--white);
}

.role-label {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  margin-bottom: 18px;
  border-radius: 4px;
  padding: 4px 10px;
  color: var(--white);
  background: var(--steel);
  font-size: 13px;
  font-weight: 900;
}

.role-grid p:not(.role-label) {
  color: var(--muted);
  font-size: 15px;
}

.value-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
}

.value-grid article {
  position: relative;
  display: grid;
  grid-template-rows: auto auto 1fr;
  overflow: hidden;
  border: 1px solid rgba(31, 46, 59, 0.14);
  border-radius: 6px;
  background: var(--white);
  box-shadow: 0 22px 54px rgba(17, 24, 32, 0.08);
}

.value-grid article::before {
  content: "";
  position: absolute;
  z-index: 2;
  inset: 0 0 auto;
  height: 3px;
  background: linear-gradient(90deg, var(--red), rgba(217, 13, 37, 0.2));
}

.value-card-head {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  align-items: center;
  min-height: 68px;
  padding: 18px 22px;
  color: var(--white);
  background:
    linear-gradient(90deg, rgba(217, 13, 37, 0.16), transparent 52%),
    #101923;
}

.value-card-head span {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  border: 1px solid rgba(217, 13, 37, 0.42);
  border-radius: 999px;
  padding: 4px 10px;
  color: rgba(255, 255, 255, 0.82);
  background: rgba(217, 13, 37, 0.12);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 11px;
  font-weight: 900;
  line-height: 1;
}

.value-media {
  margin: 0;
  border: 0;
  border-radius: 0;
  overflow: hidden;
  background:
    radial-gradient(circle at 72% 12%, rgba(217, 13, 37, 0.18), transparent 28%),
    linear-gradient(145deg, #0d141c 0%, #182432 62%, #0d141c 100%);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.06),
    inset 0 -1px 0 rgba(255, 255, 255, 0.06);
}

.value-media img {
  width: 100%;
  height: 184px;
  object-fit: contain;
  object-position: center;
}

.benefit-graphic {
  position: relative;
  height: 212px;
  overflow: hidden;
  background:
    radial-gradient(circle at 72% 16%, rgba(217, 13, 37, 0.1), transparent 26%),
    linear-gradient(145deg, #ffffff 0%, #f5f8f9 62%, #e9f0f2 100%);
}

.benefit-graphic::after {
  content: "";
  position: absolute;
  inset: auto -18% -48% 28%;
  height: 82%;
  border-radius: 999px;
  background: rgba(31, 46, 59, 0.08);
  filter: blur(24px);
  transform: rotate(-8deg);
  pointer-events: none;
}

.benefit-graphic svg {
  position: relative;
  z-index: 1;
  display: block;
  width: 100%;
  height: 100%;
}

.graphic-bg {
  fill: transparent;
}

.graphic-grid-lines path {
  fill: none;
  stroke: rgba(31, 46, 59, 0.08);
  stroke-width: 1;
}

.nut-core,
.grip-ring,
.wheel-outer {
  fill: #ffffff;
  stroke: var(--steel);
  stroke-width: 12;
}

.nut-hole,
.grip-hole {
  fill: #eef3f4;
  stroke: rgba(31, 46, 59, 0.34);
  stroke-width: 5;
}

.checker-ring,
.checker-tail,
.grip-tail,
.grip-teeth {
  fill: none;
  stroke: var(--red);
  stroke-linecap: round;
  stroke-linejoin: round;
}

.checker-ring,
.grip-ring {
  stroke-width: 14;
}

.checker-tail,
.grip-tail {
  stroke-width: 16;
}

.grip-teeth {
  stroke: rgba(17, 24, 32, 0.62);
  stroke-width: 5;
}

.checker-pair,
.checker-grip {
  filter: drop-shadow(0 12px 18px rgba(17, 24, 32, 0.12));
}

.left-pair {
  animation: unifyHold 4.8s ease-in-out infinite;
}

.right-pair {
  animation: unifyHold 4.8s ease-in-out infinite 0.24s;
}

.unify-guides path {
  fill: none;
  stroke: rgba(217, 13, 37, 0.34);
  stroke-width: 3;
  stroke-dasharray: 10 12;
  animation: guideFlow 3.4s linear infinite;
}

.shift-signal {
  animation: signalNudge 2.8s ease-in-out infinite;
}

.signal-line {
  fill: none;
  stroke: var(--red);
  stroke-width: 6;
  stroke-linecap: round;
  stroke-dasharray: 16 10;
}

.signal-arrow,
.signal-dot {
  fill: var(--red);
}

.hand-shape {
  animation: handPinch 3.5s ease-in-out infinite;
  transform-origin: 235px 148px;
}

.hand-palm {
  fill: #f4c3a6;
  stroke: #a85532;
  stroke-width: 7;
  stroke-linejoin: round;
}

.hand-line {
  fill: none;
  stroke: rgba(168, 85, 50, 0.48);
  stroke-width: 4;
  stroke-linecap: round;
}

.checker-grip {
  animation: checkerRelease 3.5s ease-in-out infinite;
  transform-origin: 360px 132px;
}

.tool-body,
.tool-circle {
  fill: none;
  stroke: var(--red);
  stroke-linecap: round;
}

.tool-body {
  stroke-width: 11;
}

.tool-circle {
  stroke-width: 7;
  stroke-dasharray: 18 8;
  animation: toolPulse 2.4s linear infinite;
}

.wheel-outer {
  fill: #182332;
  stroke-width: 13;
}

.wheel-inner {
  fill: #2e3b47;
  stroke: rgba(255, 255, 255, 0.34);
  stroke-width: 8;
}

.wheel-hub {
  fill: var(--red);
}

.wheel-bolts circle {
  fill: #ffffff;
  opacity: 0.82;
}

.heat-wheel {
  filter: drop-shadow(0 18px 24px rgba(17, 24, 32, 0.22));
  animation: heatPulse 2.8s ease-in-out infinite;
  transform-origin: 188px 138px;
}

.heat-waves path {
  fill: none;
  stroke: #ff5a2a;
  stroke-width: 10;
  stroke-linecap: round;
  animation: heatRise 2.2s ease-in-out infinite;
}

.heat-waves path:nth-child(2) {
  animation-delay: 0.18s;
}

.heat-waves path:nth-child(3) {
  animation-delay: 0.36s;
}

.melt-ring {
  fill: rgba(217, 13, 37, 0.92);
  stroke: #8f0d17;
  stroke-width: 7;
  stroke-linejoin: round;
}

.melt-drip {
  fill: none;
  stroke: #8f0d17;
  stroke-width: 9;
  stroke-linecap: round;
  animation: dripMove 2.4s ease-in-out infinite;
}

.drip-two {
  animation-delay: 0.35s;
}

.warning-mark path:first-child {
  fill: var(--yellow);
  stroke: #bb7b00;
  stroke-width: 6;
  stroke-linejoin: round;
}

.warning-mark path:not(:first-child),
.warning-mark circle {
  fill: none;
  stroke: var(--steel);
  stroke-width: 8;
  stroke-linecap: round;
}

.warning-mark circle {
  fill: var(--steel);
  stroke: none;
  animation: warningBlink 1.4s ease-in-out infinite;
}

@keyframes unifyHold {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-3px);
  }
}

@keyframes guideFlow {
  to {
    stroke-dashoffset: -44;
  }
}

@keyframes signalNudge {
  0%,
  100% {
    opacity: 0.56;
    transform: translateX(-8px);
  }
  48% {
    opacity: 1;
    transform: translateX(10px);
  }
}

@keyframes handPinch {
  0%,
  100% {
    transform: translateX(0) rotate(0deg);
  }
  50% {
    transform: translateX(12px) rotate(-2deg);
  }
}

@keyframes checkerRelease {
  0%,
  100% {
    transform: translateX(0) scale(1);
  }
  50% {
    transform: translateX(12px) scale(1.03);
  }
}

@keyframes toolPulse {
  to {
    stroke-dashoffset: -52;
  }
}

@keyframes heatPulse {
  0%,
  100% {
    transform: scale(1);
    filter: drop-shadow(0 18px 24px rgba(17, 24, 32, 0.22));
  }
  50% {
    transform: scale(1.035);
    filter: drop-shadow(0 18px 30px rgba(217, 13, 37, 0.28));
  }
}

@keyframes heatRise {
  0%,
  100% {
    opacity: 0.35;
    transform: translateY(8px);
  }
  50% {
    opacity: 1;
    transform: translateY(-8px);
  }
}

@keyframes dripMove {
  0%,
  100% {
    transform: translateY(-3px);
  }
  50% {
    transform: translateY(9px);
  }
}

@keyframes warningBlink {
  0%,
  100% {
    opacity: 1;
  }
  50% {
    opacity: 0.35;
  }
}

@media (prefers-reduced-motion: reduce) {
  .benefit-graphic *,
  .benefit-graphic *::before,
  .benefit-graphic *::after,
  .tech-visual *,
  .tech-visual *::before,
  .tech-visual *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
}

.tech-visual {
  position: relative;
  min-height: 222px;
  overflow: hidden;
  color: #eaf0f3;
  background:
    linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    radial-gradient(circle at 70% 18%, rgba(217, 13, 37, 0.24), transparent 28%),
    linear-gradient(145deg, #0a1118 0%, #182332 58%, #090f15 100%);
  background-size: 38px 38px, 38px 38px, auto, auto;
}

.tech-visual::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.08), transparent);
  transform: translateX(-110%);
  animation: techSweep 5.8s ease-in-out infinite;
  pointer-events: none;
}

.tech-visual::after {
  content: "";
  position: absolute;
  inset: auto 18px 16px;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(217, 13, 37, 0.82), transparent);
  opacity: 0.72;
}

.tech-label,
.tech-status {
  position: absolute;
  z-index: 2;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  letter-spacing: 0;
}

.tech-label {
  top: 15px;
  left: 16px;
  color: rgba(234, 240, 243, 0.64);
  font-size: 11px;
  font-weight: 800;
}

.tech-status {
  right: 16px;
  bottom: 15px;
  display: inline-flex;
  gap: 8px;
  align-items: center;
  min-height: 27px;
  border: 1px solid rgba(217, 13, 37, 0.36);
  border-radius: 999px;
  padding: 5px 9px;
  background: rgba(9, 15, 21, 0.72);
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.22);
}

.tech-status span {
  color: var(--red);
  font-size: 12px;
  font-weight: 900;
}

.tech-status strong {
  color: rgba(234, 240, 243, 0.88);
  font-size: 10px;
  font-weight: 800;
}

.tech-visual svg {
  position: relative;
  z-index: 1;
  display: block;
  width: 100%;
  height: 222px;
}

.tech-axis {
  fill: none;
  stroke: rgba(234, 240, 243, 0.1);
  stroke-width: 1;
}

.tech-outer,
.tech-inner,
.tech-center {
  fill: rgba(234, 240, 243, 0.06);
  stroke: rgba(234, 240, 243, 0.72);
  stroke-width: 4;
}

.tech-inner {
  fill: rgba(234, 240, 243, 0.9);
  stroke: rgba(234, 240, 243, 0.28);
}

.tech-center {
  fill: var(--red);
  stroke: none;
}

.tech-checker,
.tech-index,
.tech-motion,
.tech-bolts,
.tech-no-tool,
.tech-temperature,
.tech-threshold,
.tech-curve,
.tech-scan {
  fill: none;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.tech-checker {
  stroke: var(--red);
  stroke-width: 8;
}

.tech-index,
.tech-motion {
  stroke: rgba(217, 13, 37, 0.72);
  stroke-width: 3;
  stroke-dasharray: 8 8;
}

.tech-bolts {
  stroke: rgba(234, 240, 243, 0.58);
  stroke-width: 4;
}

.tech-no-tool {
  stroke: rgba(234, 240, 243, 0.72);
  stroke-width: 5;
}

.tech-arrow {
  fill: var(--red);
}

.tech-scan {
  stroke: rgba(255, 255, 255, 0.72);
  stroke-width: 2;
  stroke-dasharray: 24 360;
  animation: techScan 4.8s linear infinite;
}

.tech-unit-left,
.tech-unit-right,
.tech-hub,
.tech-wheel {
  filter: drop-shadow(0 16px 22px rgba(0, 0, 0, 0.28));
}

.tech-release {
  animation: technicalSlide 4.6s ease-in-out infinite;
}

.tech-temperature {
  stroke: rgba(234, 240, 243, 0.22);
  stroke-width: 5;
}

.tech-threshold {
  stroke: rgba(217, 13, 37, 0.52);
  stroke-width: 3;
  stroke-dasharray: 8 8;
}

.tech-curve {
  stroke: var(--red);
  stroke-width: 6;
}

.tech-heat-part {
  animation: heatLinePulse 3.6s ease-in-out infinite;
}

@keyframes techSweep {
  0%,
  58% {
    transform: translateX(-110%);
  }
  100% {
    transform: translateX(110%);
  }
}

@keyframes techScan {
  to {
    stroke-dashoffset: -384;
  }
}

@keyframes technicalSlide {
  0%,
  100% {
    transform: translateX(0);
  }
  50% {
    transform: translateX(10px);
  }
}

@keyframes heatLinePulse {
  0%,
  100% {
    opacity: 0.62;
  }
  50% {
    opacity: 1;
  }
}

.value-body {
  display: flex;
  flex-direction: column;
  padding: 24px 24px 26px;
}

.value-body h3 {
  min-height: 54px;
  margin-bottom: 12px;
  color: var(--ink);
}

.value-body p {
  color: var(--muted);
  font-size: 15px;
}

.value-proof {
  display: grid;
  gap: 8px;
  margin: 18px 0 0;
  padding: 18px 0 0;
  border-top: 1px solid rgba(31, 46, 59, 0.1);
  list-style: none;
}

.value-proof li {
  display: grid;
  grid-template-columns: 58px 1fr;
  gap: 10px;
  align-items: start;
  color: #2f3a45;
  font-size: 13px;
  font-weight: 800;
  line-height: 1.55;
}

.value-proof span {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  min-height: 24px;
  border-radius: 3px;
  color: var(--red);
  background: rgba(217, 13, 37, 0.08);
  font-size: 11px;
  font-weight: 900;
}

.tag {
  display: inline-flex;
  min-height: 28px;
  align-items: center;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 999px;
  padding: 4px 9px;
  margin-bottom: 0;
  color: rgba(255, 255, 255, 0.88);
  background: rgba(255, 255, 255, 0.08);
  font-size: 12px;
  font-weight: 900;
}

.sample-offer {
  display: grid;
  grid-template-columns: minmax(24px, 1fr) minmax(330px, 470px) minmax(500px, 710px) minmax(24px, 1fr);
  gap: 44px;
  align-items: start;
  padding: 92px 0;
  color: var(--white);
  background:
    linear-gradient(90deg, rgba(17, 24, 32, 0.98), rgba(17, 24, 32, 0.9)),
    url("./assets/merit-check.jpg") center / cover no-repeat;
}

.sample-main {
  grid-column: 2;
}

.sample-main p,
.sample-checks p {
  color: rgba(255, 255, 255, 0.78);
}

.sample-main .button {
  margin-top: 26px;
}

.sample-checks {
  grid-column: 3;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.sample-checks article {
  min-height: 252px;
  padding: 24px;
  border-color: rgba(255, 255, 255, 0.16);
  background: rgba(255, 255, 255, 0.08);
}

.sample-checks span {
  margin-bottom: 34px;
  color: var(--yellow);
  font-size: 30px;
}

.calculation-band {
  padding: 92px max(24px, calc((100vw - 1180px) / 2));
  background: var(--steel-soft);
}

.calc-panel {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(340px, 0.8fr);
  gap: 18px;
  align-items: stretch;
  margin-bottom: 22px;
}

.calc-controls,
.calc-result {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
}

.calc-controls {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  overflow: hidden;
}

.calc-controls label {
  display: grid;
  gap: 12px;
  min-height: 132px;
  padding: 22px;
  background: #fbfcfc;
  font-weight: 900;
}

.calc-controls span {
  color: var(--steel);
}

.calc-controls input {
  width: 100%;
  min-height: 48px;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 8px 12px;
  color: var(--ink);
  background: var(--white);
  font: inherit;
  font-size: 22px;
  font-weight: 900;
}

.calc-controls input:focus {
  outline: 3px solid rgba(246, 189, 22, 0.42);
  border-color: var(--yellow);
}

.calc-result {
  display: grid;
  grid-template-columns: 1fr;
  align-content: center;
  padding: 22px 26px;
}

.calc-result div {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  align-items: baseline;
  border-top: 1px solid var(--line);
  padding: 12px 0;
}

.calc-result div:first-child {
  border-top: 0;
}

.calc-result span {
  color: var(--muted);
  font-size: 14px;
  font-weight: 900;
}

.calc-result strong {
  font-size: 28px;
  line-height: 1.1;
}

.price-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.price-grid article {
  padding: 28px;
}

.vehicle {
  color: var(--muted);
  font-size: 14px;
  font-weight: 900;
}

.price-grid h3 {
  margin-bottom: 22px;
  font-size: 44px;
}

.price-grid dl {
  display: grid;
  gap: 12px;
  margin: 0;
}

.price-grid dl div {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  border-top: 1px solid var(--line);
  padding-top: 12px;
}

.price-grid dt {
  color: var(--muted);
  font-weight: 900;
}

.price-grid dd {
  margin: 0;
  font-weight: 900;
}

.price-note {
  margin-top: 18px;
  font-size: 13px;
}

.comparison-table-wrap {
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
}

.voice-section {
  padding-top: 0;
}

.voice-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.voice-grid article {
  min-height: 198px;
  padding: 26px;
}

.voice-grid h3 {
  color: var(--red);
}

.voice-grid p {
  color: var(--muted);
}

.proof-note {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 24px;
  align-items: start;
  margin-top: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 22px 26px;
  background: var(--white);
}

.proof-note strong {
  color: var(--steel);
  font-size: 18px;
  line-height: 1.4;
}

.proof-note ul {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
  padding: 0;
  margin: 0;
  list-style: none;
}

.proof-note li {
  position: relative;
  padding-left: 18px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 800;
  line-height: 1.55;
}

.proof-note li::before {
  content: "";
  position: absolute;
  top: 0.68em;
  left: 0;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--red);
}

table {
  width: 100%;
  border-collapse: collapse;
}

.comparison-table {
  min-width: 920px;
}

.comparison-table thead th:last-child {
  background: rgba(246, 189, 22, 0.26);
}

.comparison-table tbody td:last-child {
  color: var(--ink);
  background: rgba(246, 189, 22, 0.1);
  font-weight: 800;
}

th,
td {
  border-top: 1px solid var(--line);
  padding: 17px 20px;
  text-align: left;
  vertical-align: top;
}

thead th {
  border-top: 0;
  color: var(--ink);
  background: #f2f5f6;
  font-weight: 900;
}

tbody th {
  width: 20%;
  color: var(--ink);
  background: #fafbfb;
  font-weight: 900;
}

td {
  color: var(--muted);
}

.agency-band {
  display: grid;
  grid-template-columns: minmax(24px, 1fr) minmax(340px, 470px) minmax(470px, 690px) minmax(24px, 1fr);
  gap: 44px;
  align-items: start;
  padding: 96px 0;
  color: var(--white);
  background:
    linear-gradient(90deg, rgba(31, 46, 59, 0.98), rgba(31, 46, 59, 0.94)),
    url("./assets/hero-wheel.jpg") center / cover no-repeat;
}

.agency-main {
  grid-column: 2;
}

.agency-main p,
.agency-points p {
  color: rgba(255, 255, 255, 0.78);
}

.agency-points {
  grid-column: 3;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.agency-points article {
  min-height: 220px;
  padding: 24px;
  border-color: rgba(255, 255, 255, 0.16);
  background: rgba(255, 255, 255, 0.08);
}

.agency-points span {
  margin-bottom: 28px;
  color: var(--yellow);
  font-size: 28px;
}

.route-section {
  padding-bottom: 78px;
}

.route-flow {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 14px;
  padding: 0;
  margin: 0;
  list-style: none;
  counter-reset: route;
}

.route-flow li {
  min-height: 216px;
  padding: 24px;
}

.route-flow li::before {
  counter-increment: route;
  content: counter(route, decimal-leading-zero);
  margin-bottom: 28px;
  font-size: 28px;
}

.route-flow strong,
.route-flow span {
  display: block;
}

.route-flow strong {
  margin-bottom: 8px;
  font-size: 18px;
  line-height: 1.35;
}

.route-flow span {
  font-size: 14px;
}

.spec-band {
  padding: 92px max(24px, calc((100vw - 1180px) / 2));
  background: #eef3f4;
}

.spec-layout {
  display: grid;
  grid-template-columns: minmax(360px, 1fr) minmax(300px, 410px);
  gap: 22px;
  align-items: stretch;
}

.compatibility-panel {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(340px, 0.95fr);
  gap: 28px;
  align-items: start;
  margin-top: 24px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 30px;
  background: var(--white);
}

.compatibility-copy h3 {
  margin-bottom: 12px;
  font-size: 26px;
}

.compatibility-copy p {
  color: var(--muted);
}

.compatibility-list {
  display: grid;
  gap: 12px;
  padding: 0;
  margin: 0;
  list-style: none;
}

.compatibility-list li {
  display: grid;
  grid-template-columns: 132px minmax(0, 1fr);
  gap: 14px;
  align-items: center;
  min-height: 62px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 13px 16px;
  background: #fbfcfc;
}

.compatibility-list strong {
  color: var(--ink);
  font-size: 14px;
}

.compatibility-list span {
  color: var(--muted);
  font-size: 14px;
}

.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
}

.table-wrap table {
  min-width: 620px;
}

.table-wrap th,
.table-wrap td {
  border-top: 1px solid var(--line);
}

.table-wrap tr:first-child th,
.table-wrap tr:first-child td {
  border-top: 0;
}

.table-wrap th {
  width: 32%;
  color: var(--steel);
  background: #f7f9fa;
  font-weight: 900;
}

.spec-note {
  padding: 28px;
}

.faq-list {
  display: grid;
  gap: 12px;
}

details {
  padding: 18px 22px;
}

summary {
  cursor: pointer;
  font-weight: 900;
}

details p {
  margin-top: 12px;
}

.final-cta {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 28px;
  align-items: center;
  padding: 78px max(24px, calc((100vw - 1180px) / 2));
  color: var(--ink);
  background: var(--yellow);
}

.final-cta .eyebrow,
.final-cta p {
  color: rgba(17, 24, 32, 0.76);
}

.final-cta h2 {
  max-width: 780px;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 28px 48px;
  color: var(--white);
  background: #111820;
}

.site-footer p {
  margin: 0;
  font-weight: 900;
}

.site-footer a {
  color: rgba(255, 255, 255, 0.78);
}

.mobile-cta {
  display: none;
}

@media (max-width: 1040px) {
  h1 {
    font-size: 56px;
  }

  h2 {
    font-size: 36px;
  }

  .site-header {
    grid-template-columns: 1fr auto;
    padding: 0 22px;
  }

  .nav {
    display: none;
  }

  .hero-inner {
    grid-template-columns: 1fr;
    gap: 30px;
  }

  .hero-product-card {
    width: min(560px, 100%);
  }

  .hero-statement {
    font-size: 28px;
  }

  .hero-facts,
  .audience-inner,
  .issue-grid,
  .role-grid,
  .public-context,
  .value-grid,
  .price-grid,
  .calc-panel,
  .calc-controls,
  .sample-checks,
  .voice-grid,
  .proof-note,
  .route-flow,
  .spec-layout,
  .compatibility-panel,
  .final-cta {
    grid-template-columns: 1fr;
  }

  .proof-note ul {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .solution-band,
  .agency-band,
  .sample-offer {
    grid-template-columns: 24px minmax(0, 1fr) 24px;
    gap: 32px;
  }

  .solution-copy,
  .product-visual,
  .agency-main,
  .agency-points,
  .sample-main,
  .sample-checks {
    grid-column: 2;
  }

  .agency-points {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .final-actions {
    justify-content: flex-start;
  }
}

@media (max-width: 680px) {
  body {
    padding-bottom: 64px;
  }

  h1 {
    font-size: 40px;
  }

  h2 {
    font-size: 30px;
  }

  h3 {
    font-size: 19px;
  }

  .site-header {
    min-height: 62px;
    padding: 0 14px;
  }

  .brand img {
    width: 104px;
  }

  .brand span,
  .header-link {
    display: none;
  }

  .header-cta {
    min-height: 38px;
    padding: 8px 11px;
    font-size: 13px;
  }

  .hero {
    min-height: auto;
    background-position: center;
  }

  .hero::before {
    display: none;
  }

  .hero-inner {
    width: min(100% - 28px, 1180px);
    padding: 92px 0 92px;
    gap: 24px;
  }

  .hero-statement {
    font-size: 23px;
  }

  .hero-lead {
    font-size: 16px;
  }

  .hero-actions .button {
    width: 100%;
  }

  .hero-facts div {
    min-height: 74px;
    padding: 12px 8px 0 0;
  }

  .hero-facts {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .hero-facts dt {
    font-size: 11px;
  }

  .hero-facts dd {
    font-size: 15px;
  }

  .hero-facts small {
    display: block;
    font-size: 10px;
  }

  .hero-product-card {
    display: none;
  }

  .hero-mobile-product {
    display: grid;
    grid-template-columns: 96px minmax(0, 1fr);
    gap: 12px;
    align-items: center;
    margin: 0 0 22px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 8px;
    padding: 12px;
    color: var(--ink);
    background: rgba(255, 255, 255, 0.94);
    box-shadow: 0 18px 36px rgba(0, 0, 0, 0.28);
  }

  .hero-mobile-product img {
    width: 96px;
    height: 78px;
    object-fit: contain;
    filter: drop-shadow(0 10px 14px rgba(17, 24, 32, 0.2));
  }

  .hero-mobile-product p {
    display: grid;
    gap: 2px;
    margin: 0;
    line-height: 1.35;
  }

  .hero-mobile-product strong {
    font-size: 15px;
  }

  .hero-mobile-product span {
    color: var(--muted);
    font-size: 12px;
    font-weight: 900;
  }

  .audience-bar {
    display: none;
  }

  .section,
  .role-section,
  .route-section,
  .comparison-section,
  .public-context {
    width: min(100% - 28px, 1180px);
    padding: 66px 0;
  }

  .proof-note ul,
  .compatibility-list li {
    grid-template-columns: 1fr;
  }

  .solution-band,
  .agency-band,
  .sample-offer,
  .calculation-band,
  .spec-band,
  .final-cta {
    padding-top: 66px;
    padding-bottom: 66px;
  }

  .solution-band,
  .agency-band,
  .sample-offer {
    grid-template-columns: 14px minmax(0, 1fr) 14px;
  }

  .issue-grid article,
  .role-grid article,
  .price-grid article,
  .agency-points article,
  .sample-checks article,
  .voice-grid article,
  .route-flow li,
  .context-copy,
  .context-metric,
  .spec-note,
  details {
    padding: 22px;
  }

  .calc-controls label {
    min-height: 112px;
    padding: 18px;
  }

  .calc-result {
    padding: 18px;
  }

  .calc-result strong {
    font-size: 23px;
  }

  .context-metric strong {
    font-size: 58px;
  }

  .value-media img {
    height: 190px;
  }

  .benefit-graphic {
    height: 196px;
  }

  .value-body h3 {
    min-height: 0;
  }

  .agency-points {
    grid-template-columns: 1fr;
  }

  .table-wrap table {
    min-width: 560px;
  }

  .site-footer {
    display: block;
    padding: 26px 20px;
  }

  .site-footer a {
    display: inline-block;
    margin-top: 8px;
  }

  .mobile-cta {
    position: fixed;
    z-index: 60;
    right: 0;
    bottom: 0;
    left: 0;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1px;
    background: rgba(255, 255, 255, 0.4);
    box-shadow: 0 -1px 0 rgba(17, 24, 32, 0.12);
  }

  .mobile-cta a {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 58px;
    color: var(--white);
    background: var(--red);
    font-size: 14px;
    font-weight: 900;
  }

  .mobile-cta a:last-child {
    background: var(--steel);
  }
}