:root {
  --wine: #9e2b25;
  --wine-dark: #571a17;
  --gold: #c8a97e;
  --gold-soft: #f0dfc8;
  --warm: #f5f3f0;
  --paper: #fffaf4;
  --ink: #2c2c2c;
  --muted: #7a7672;
  --line: rgba(44, 44, 44, 0.12);
  --line-light: rgba(255, 250, 244, 0.18);
  --teal: #1f6f6d;
  --charcoal: #161412;
  --shadow: 0 26px 60px rgba(44, 24, 20, 0.18);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--warm);
  color: var(--ink);
  font-family:
    "PingFang SC",
    "Microsoft YaHei",
    "Noto Sans CJK SC",
    system-ui,
    sans-serif;
  font-size: 16px;
  line-height: 1.65;
  letter-spacing: 0;
  overflow-x: hidden;
}

body.nav-open {
  overflow: hidden;
}

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

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

button,
input,
select,
textarea {
  font: inherit;
  letter-spacing: 0;
}

button {
  cursor: pointer;
}

::selection {
  background: var(--wine);
  color: #fff;
}

.cursor {
  position: fixed;
  z-index: 60;
  width: 22px;
  height: 22px;
  border: 1px solid rgba(200, 169, 126, 0.85);
  border-radius: 50%;
  pointer-events: none;
  transform: translate(-50%, -50%);
  mix-blend-mode: difference;
  opacity: 0;
  transition:
    opacity 180ms ease,
    width 180ms ease,
    height 180ms ease;
}

.cursor.is-active {
  opacity: 1;
}

.cursor.is-hovering {
  width: 42px;
  height: 42px;
}

.site-header {
  position: fixed;
  top: 18px;
  left: 50%;
  z-index: 50;
  width: min(1180px, calc(100% - 32px));
  height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 12px 10px 18px;
  border: 1px solid rgba(255, 250, 244, 0.22);
  border-radius: 8px;
  background: rgba(22, 20, 18, 0.52);
  color: #fff;
  backdrop-filter: blur(22px);
  transform: translateX(-50%);
  transition:
    background 180ms ease,
    box-shadow 180ms ease,
    border-color 180ms ease;
}

.site-header.is-scrolled {
  border-color: rgba(44, 44, 44, 0.1);
  background: rgba(255, 250, 244, 0.9);
  color: var(--ink);
  box-shadow: 0 18px 46px rgba(44, 24, 20, 0.1);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
  font-weight: 700;
  white-space: nowrap;
}

.brand img {
  width: 42px;
  height: 42px;
  object-fit: contain;
  border-radius: 6px;
  background: #fff;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 4px;
}

.main-nav a {
  padding: 10px 14px;
  border-radius: 6px;
  color: currentColor;
  font-size: 0.92rem;
  opacity: 0.86;
  transition:
    background 180ms ease,
    color 180ms ease,
    opacity 180ms ease;
}

.main-nav a:hover,
.main-nav a.is-active {
  background: rgba(200, 169, 126, 0.22);
  opacity: 1;
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 0;
  border-radius: 6px;
  background: rgba(200, 169, 126, 0.22);
  color: currentColor;
}

.nav-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  margin: 5px auto;
  background: currentColor;
  transition: transform 180ms ease;
}

.nav-toggle[aria-expanded="true"] span:first-child {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] span:last-child {
  transform: translateY(-7px) rotate(-45deg);
}

.hero {
  position: relative;
  min-height: 100svh;
  display: grid;
  align-items: end;
  padding: 150px min(7vw, 88px) 72px;
  isolation: isolate;
  overflow: hidden;
  color: #fff;
}

.hero-photo,
#hero-canvas,
.hero-shade {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.hero-photo {
  z-index: -4;
  object-fit: cover;
  filter: saturate(0.9) contrast(1.04);
  transform: scale(1.03);
}

#hero-canvas {
  z-index: -2;
  opacity: 0.88;
}

.hero-shade {
  z-index: -3;
  background:
    linear-gradient(90deg, rgba(18, 15, 13, 0.9), rgba(39, 16, 15, 0.56) 52%, rgba(22, 20, 18, 0.1)),
    linear-gradient(0deg, rgba(18, 15, 13, 0.8), rgba(18, 15, 13, 0.1) 45%, rgba(18, 15, 13, 0.34));
}

.hero-content {
  width: min(760px, 100%);
  padding-top: 16vh;
}

.eyebrow,
.section-kicker,
.dialog-kicker {
  margin: 0 0 14px;
  color: var(--gold);
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
}

.hero h1,
.section h2,
.contact-copy h2 {
  margin: 0;
  font-weight: 800;
  line-height: 1.08;
}

.hero h1 {
  max-width: 760px;
  font-size: 4.3rem;
}

.hero h1 span {
  display: block;
}

.hero-lede {
  max-width: 690px;
  margin: 26px 0 0;
  color: rgba(255, 250, 244, 0.84);
  font-size: 1.12rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 36px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 48px;
  padding: 12px 18px;
  border: 1px solid transparent;
  border-radius: 6px;
  font-weight: 700;
  line-height: 1.2;
  transition:
    transform 180ms ease,
    background 180ms ease,
    border-color 180ms ease,
    color 180ms ease,
    box-shadow 180ms ease;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn-primary {
  background: var(--wine);
  color: #fff;
  box-shadow: 0 14px 34px rgba(158, 43, 37, 0.26);
}

.btn-primary:hover {
  background: #b6332c;
}

.btn-ghost {
  border-color: rgba(200, 169, 126, 0.58);
  background: rgba(255, 250, 244, 0.08);
  color: inherit;
}

.btn-ghost:hover {
  background: rgba(200, 169, 126, 0.16);
}

.hero-metrics {
  position: absolute;
  right: min(7vw, 88px);
  bottom: 74px;
  width: min(430px, calc(100% - 40px));
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border: 1px solid rgba(255, 250, 244, 0.22);
  border-radius: 8px;
  background: rgba(22, 20, 18, 0.42);
  backdrop-filter: blur(20px);
}

.hero-metrics div {
  min-width: 0;
  padding: 18px;
  border-right: 1px solid rgba(255, 250, 244, 0.14);
}

.hero-metrics div:last-child {
  border-right: 0;
}

.hero-metrics strong {
  display: block;
  color: var(--gold);
  font-size: 2rem;
  line-height: 1;
}

.hero-metrics span {
  display: block;
  margin-top: 8px;
  color: rgba(255, 250, 244, 0.78);
  font-size: 0.86rem;
}

.scroll-cue {
  position: absolute;
  left: min(7vw, 88px);
  bottom: 30px;
  color: rgba(255, 250, 244, 0.62);
  font-size: 0.78rem;
  writing-mode: vertical-rl;
}

.ticker-band {
  overflow: hidden;
  border-block: 1px solid var(--line);
  background: var(--paper);
}

.ticker {
  display: flex;
  width: max-content;
  gap: 34px;
  padding: 18px 0;
  animation: ticker 28s linear infinite;
}

.ticker span {
  color: var(--wine);
  font-size: 0.96rem;
  font-weight: 700;
  white-space: nowrap;
}

.ticker span::before {
  content: "";
  display: inline-block;
  width: 7px;
  height: 7px;
  margin: 0 12px 1px 0;
  border-radius: 50%;
  background: var(--gold);
}

@keyframes ticker {
  from {
    transform: translateX(0);
  }
  to {
    transform: translateX(-50%);
  }
}

.section {
  position: relative;
  padding: 104px min(7vw, 88px);
}

.section-light {
  background: var(--warm);
}

.section-dark {
  background:
    linear-gradient(180deg, #1b1715, #241412 54%, #171412),
    var(--charcoal);
  color: #fff;
}

.section h2,
.contact-copy h2 {
  max-width: 860px;
  font-size: 3rem;
}

.section-header {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 460px);
  gap: 48px;
  align-items: end;
  margin-bottom: 48px;
}

.section-header p,
.section-copy p,
.contact-copy p {
  margin: 0;
  color: var(--muted);
}

.section-dark .section-header p {
  color: rgba(255, 250, 244, 0.72);
}

.split-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(320px, 0.72fr);
  gap: 48px;
  align-items: stretch;
}

.section-copy p {
  max-width: 740px;
  margin-top: 24px;
  font-size: 1.05rem;
}

.identity-panel {
  display: grid;
  gap: 18px;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--paper);
  box-shadow: var(--shadow);
  transform-style: preserve-3d;
}

.identity-panel img {
  width: 136px;
  height: 136px;
  object-fit: contain;
  border-radius: 8px;
  background: #fff;
}

.identity-panel span {
  display: block;
  margin-bottom: 6px;
  color: var(--wine);
  font-size: 0.82rem;
  font-weight: 800;
}

.identity-panel p {
  margin: 0;
  color: var(--ink);
}

.trait-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin-top: 64px;
}

.trait,
.product-card,
.course-card,
.diagnosis-form,
.diagnosis-result,
.contact-form,
.step,
.cockpit {
  border-radius: 8px;
}

.trait {
  min-height: 205px;
  padding: 26px;
  border: 1px solid var(--line);
  background: rgba(255, 250, 244, 0.72);
  transition:
    transform 180ms ease,
    border-color 180ms ease,
    background 180ms ease;
}

.trait:hover {
  transform: translateY(-5px);
  border-color: rgba(158, 43, 37, 0.28);
  background: var(--paper);
}

.trait span,
.step span {
  color: var(--gold);
  font-size: 0.78rem;
  font-weight: 900;
}

.trait h3,
.product-card h3,
.course-card h3,
.step h3,
.cockpit h3 {
  margin: 12px 0 10px;
  line-height: 1.18;
}

.trait p,
.product-card p,
.course-card p,
.step p,
.cockpit p {
  margin: 0;
}

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

.filter-row,
.course-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 30px;
}

.filter-btn,
.course-tab {
  min-height: 42px;
  padding: 9px 14px;
  border: 1px solid rgba(255, 250, 244, 0.2);
  border-radius: 6px;
  background: rgba(255, 250, 244, 0.06);
  color: inherit;
  font-size: 0.92rem;
}

.course-tab {
  border-color: var(--line);
  background: var(--paper);
  color: var(--ink);
}

.filter-btn.active,
.filter-btn:hover,
.course-tab.active,
.course-tab:hover {
  border-color: var(--gold);
  background: var(--gold);
  color: #1f1712;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.product-card {
  min-height: 320px;
  display: flex;
  flex-direction: column;
  gap: 18px;
  padding: 22px;
  border: 1px solid rgba(255, 250, 244, 0.14);
  background: rgba(255, 250, 244, 0.06);
  transition:
    transform 180ms ease,
    border-color 180ms ease,
    background 180ms ease;
}

.product-card:hover {
  transform: translateY(-6px);
  border-color: rgba(200, 169, 126, 0.48);
  background: rgba(255, 250, 244, 0.1);
}

.product-icon {
  width: 46px;
  height: 46px;
  display: grid;
  place-items: center;
  border-radius: 6px;
  background: rgba(200, 169, 126, 0.14);
  color: var(--gold);
  font-weight: 900;
}

.product-card h3 {
  color: #fff;
  font-size: 1.08rem;
}

.product-card p {
  color: rgba(255, 250, 244, 0.68);
  font-size: 0.94rem;
}

.product-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: auto;
}

.product-tags span {
  padding: 5px 8px;
  border-radius: 999px;
  background: rgba(200, 169, 126, 0.13);
  color: rgba(255, 250, 244, 0.78);
  font-size: 0.78rem;
}

.product-card button {
  width: 100%;
  min-height: 42px;
  border: 1px solid rgba(200, 169, 126, 0.45);
  border-radius: 6px;
  background: transparent;
  color: var(--gold);
  font-weight: 700;
}

.product-card button:hover {
  background: rgba(200, 169, 126, 0.12);
}

.method-section {
  background: var(--paper);
}

.scrolly {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(340px, 0.68fr);
  gap: 48px;
  align-items: start;
}

.scrolly-steps {
  display: grid;
  gap: 18px;
}

.step {
  min-height: 190px;
  padding: 28px;
  border: 1px solid var(--line);
  background: #fff;
}

.step h3 {
  font-size: 1.32rem;
}

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

.cockpit {
  position: sticky;
  top: 120px;
  min-height: 520px;
  padding: 30px;
  overflow: hidden;
  border: 1px solid rgba(158, 43, 37, 0.18);
  background:
    linear-gradient(145deg, rgba(87, 26, 23, 0.94), rgba(22, 20, 18, 0.94)),
    #1b1715;
  color: #fff;
  box-shadow: var(--shadow);
  transform-style: preserve-3d;
}

.cockpit::before {
  content: "";
  position: absolute;
  inset: 18px;
  border: 1px solid rgba(200, 169, 126, 0.22);
  border-radius: 8px;
  pointer-events: none;
}

.cockpit-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: rgba(255, 250, 244, 0.64);
  font-size: 0.82rem;
}

.cockpit-top strong {
  color: var(--gold);
  font-size: 3.2rem;
  line-height: 1;
}

.cockpit h3 {
  margin-top: 76px;
  font-size: 2rem;
}

.cockpit p {
  max-width: 420px;
  color: rgba(255, 250, 244, 0.76);
}

.signal-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin-top: 54px;
}

.signal-card {
  position: relative;
  min-height: 82px;
  display: grid;
  align-content: space-between;
  gap: 10px;
  padding: 14px;
  border: 1px solid rgba(200, 169, 126, 0.24);
  border-radius: 6px;
  background:
    radial-gradient(circle at 22% 18%, rgba(200, 169, 126, 0.2), transparent 42%),
    linear-gradient(180deg, rgba(200, 169, 126, 0.16), rgba(200, 169, 126, 0.02)),
    rgba(255, 250, 244, 0.04);
  box-shadow: inset 0 1px 0 rgba(255, 250, 244, 0.08);
  overflow: hidden;
}

.signal-card::after {
  content: "";
  position: absolute;
  inset: auto 0 0;
  height: calc(var(--level) * 0.5%);
  background: linear-gradient(180deg, rgba(200, 169, 126, 0), rgba(200, 169, 126, 0.14));
  pointer-events: none;
}

.signal-card svg {
  position: relative;
  z-index: 1;
  width: 24px;
  height: 24px;
  color: var(--gold);
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.8;
}

.signal-card span {
  position: relative;
  z-index: 1;
  color: rgba(255, 250, 244, 0.86);
  font-size: 0.86rem;
  font-weight: 800;
}

.signal-card i {
  position: relative;
  z-index: 1;
  display: block;
  height: 4px;
  border-radius: 999px;
  background: rgba(255, 250, 244, 0.14);
  overflow: hidden;
}

.signal-card i b {
  display: block;
  width: calc(var(--level) * 1%);
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--gold), rgba(255, 250, 244, 0.86));
  transition: width 240ms ease;
}

.progress-rail {
  position: absolute;
  right: 30px;
  bottom: 30px;
  left: 30px;
  height: 4px;
  border-radius: 999px;
  background: rgba(255, 250, 244, 0.12);
}

.progress-rail span {
  display: block;
  width: 20%;
  height: 100%;
  border-radius: inherit;
  background: var(--gold);
  transition: width 240ms ease;
}

.diagnosis-section {
  background:
    linear-gradient(180deg, rgba(245, 243, 240, 0.92), rgba(255, 250, 244, 0.98)),
    var(--warm);
}

.diagnosis-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.96fr) minmax(320px, 0.78fr);
  gap: 28px;
  align-items: stretch;
}

.diagnosis-form,
.diagnosis-result,
.contact-form {
  padding: 28px;
  border: 1px solid var(--line);
  background: var(--paper);
  box-shadow: 0 18px 50px rgba(44, 24, 20, 0.08);
}

.diagnosis-form,
.contact-form {
  display: grid;
  gap: 18px;
}

label {
  display: grid;
  gap: 8px;
}

label span {
  color: var(--wine-dark);
  font-size: 0.9rem;
  font-weight: 800;
}

input,
select,
textarea {
  width: 100%;
  border: 1px solid rgba(44, 44, 44, 0.16);
  border-radius: 6px;
  background: #fff;
  color: var(--ink);
  outline: 0;
  transition:
    border-color 180ms ease,
    box-shadow 180ms ease;
}

input,
select {
  min-height: 48px;
  padding: 0 14px;
}

textarea {
  resize: vertical;
  min-height: 116px;
  padding: 12px 14px;
}

input:focus,
select:focus,
textarea:focus {
  border-color: var(--gold);
  box-shadow: 0 0 0 4px rgba(200, 169, 126, 0.2);
}

.diagnosis-result {
  display: grid;
  align-items: center;
  justify-items: center;
  text-align: center;
}

.diagnosis-result canvas {
  width: min(360px, 100%);
  height: auto;
}

.result-label {
  display: block;
  color: var(--muted);
  font-size: 0.88rem;
}

#score {
  display: block;
  color: var(--wine);
  font-size: 4rem;
  line-height: 1.05;
}

#recommendation {
  max-width: 440px;
  margin: 10px auto 0;
  color: var(--muted);
}

.course-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.course-card {
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--paper);
  box-shadow: 0 18px 44px rgba(44, 24, 20, 0.08);
  transition:
    transform 180ms ease,
    box-shadow 180ms ease;
}

.course-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow);
}

.course-media {
  position: relative;
  min-height: 210px;
  background: #1b1715;
}

.course-media img {
  width: 100%;
  height: 230px;
  object-fit: cover;
  opacity: 0.86;
}

.course-media span {
  position: absolute;
  left: 16px;
  bottom: 16px;
  padding: 7px 10px;
  border-radius: 6px;
  background: rgba(255, 250, 244, 0.9);
  color: var(--wine);
  font-size: 0.8rem;
  font-weight: 800;
}

.course-body {
  padding: 22px;
}

.course-card h3 {
  min-height: 48px;
  font-size: 1.18rem;
}

.course-card p {
  color: var(--muted);
}

.course-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-top: 20px;
}

.course-meta strong {
  color: var(--wine);
  font-size: 1.2rem;
}

.course-meta button {
  min-height: 38px;
  padding: 8px 12px;
  border: 1px solid var(--wine);
  border-radius: 6px;
  background: transparent;
  color: var(--wine);
  font-weight: 800;
}

.proof-section {
  background: #1b1715;
  color: #fff;
}

.proof-section .section-header p {
  color: rgba(255, 250, 244, 0.72);
}

.case-reel {
  display: grid;
  grid-auto-columns: minmax(300px, 420px);
  grid-auto-flow: column;
  gap: 18px;
  overflow-x: auto;
  padding-bottom: 14px;
  scroll-snap-type: x mandatory;
}

.case-reel figure {
  min-height: 480px;
  margin: 0;
  overflow: hidden;
  border: 1px solid rgba(255, 250, 244, 0.14);
  border-radius: 8px;
  background: rgba(255, 250, 244, 0.06);
  scroll-snap-align: start;
}

.case-reel img {
  width: 100%;
  height: 420px;
  object-fit: cover;
  transition: transform 500ms ease;
}

.case-reel figure:hover img {
  transform: scale(1.05);
}

.case-reel figcaption {
  padding: 18px;
  color: rgba(255, 250, 244, 0.82);
  font-weight: 800;
}

.contact-section {
  display: grid;
  grid-template-columns: minmax(0, 0.82fr) minmax(340px, 0.72fr);
  gap: 54px;
  align-items: start;
  background:
    linear-gradient(90deg, rgba(87, 26, 23, 0.94), rgba(22, 20, 18, 0.92)),
    var(--charcoal);
  color: #fff;
}

.contact-copy {
  position: sticky;
  top: 120px;
}

.contact-copy p,
.contact-copy li {
  color: rgba(255, 250, 244, 0.74);
}

.contact-copy ul {
  display: grid;
  gap: 12px;
  margin: 28px 0 0;
  padding: 0;
  list-style: none;
}

.contact-copy li {
  position: relative;
  padding-left: 24px;
}

.contact-copy li::before {
  content: "";
  position: absolute;
  top: 12px;
  left: 0;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--gold);
}

.contact-form {
  color: var(--ink);
}

.form-note {
  min-height: 26px;
  margin: 0;
  color: var(--wine);
  font-weight: 800;
}

.site-footer {
  display: grid;
  grid-template-columns: minmax(260px, 1fr) auto auto;
  gap: 32px;
  align-items: center;
  padding: 34px min(7vw, 88px);
  border-top: 1px solid var(--line);
  background: var(--paper);
}

.site-footer img {
  width: 92px;
  height: 92px;
  object-fit: contain;
}

.site-footer p {
  margin: 8px 0 0;
  color: var(--muted);
}

.site-footer nav {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.site-footer a {
  color: var(--wine);
  font-weight: 800;
}

.site-footer small {
  color: var(--muted);
}

.product-dialog {
  width: min(860px, calc(100% - 28px));
  max-height: min(82vh, 760px);
  padding: 34px;
  border: 1px solid rgba(200, 169, 126, 0.38);
  border-radius: 8px;
  background: var(--paper);
  color: var(--ink);
  box-shadow: var(--shadow);
}

.product-dialog::backdrop {
  background: rgba(22, 20, 18, 0.7);
  backdrop-filter: blur(10px);
}

.dialog-close {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 38px;
  height: 38px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #fff;
  color: var(--ink);
  font-size: 1.3rem;
}

.product-dialog h2 {
  margin: 0;
  max-width: 720px;
  font-size: 2.1rem;
  line-height: 1.12;
}

#dialog-subtitle {
  max-width: 720px;
  margin: 14px 0 28px;
  color: var(--muted);
}

.dialog-columns {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
}

.dialog-columns h3 {
  margin: 0 0 12px;
  color: var(--wine);
}

.dialog-columns ul {
  display: grid;
  gap: 10px;
  margin: 0;
  padding-left: 18px;
  color: var(--muted);
}

.dialog-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition:
    opacity 520ms ease,
    transform 520ms ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 1180px) {
  .hero h1 {
    font-size: 3.5rem;
  }

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

@media (max-width: 920px) {
  .site-header {
    top: 12px;
    width: calc(100% - 24px);
  }

  .nav-toggle {
    display: block;
  }

  .main-nav {
    position: fixed;
    top: 86px;
    right: 12px;
    left: 12px;
    display: grid;
    gap: 6px;
    padding: 14px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: rgba(255, 250, 244, 0.96);
    color: var(--ink);
    box-shadow: var(--shadow);
    transform: translateY(-16px);
    opacity: 0;
    pointer-events: none;
    transition:
      transform 180ms ease,
      opacity 180ms ease;
  }

  body.nav-open .main-nav {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .hero {
    min-height: 920px;
    padding: 132px 24px 150px;
    align-items: end;
  }

  .hero h1 {
    font-size: 2.75rem;
  }

  .hero-metrics {
    right: 24px;
    bottom: 38px;
    left: 24px;
    width: auto;
  }

  .scroll-cue {
    display: none;
  }

  .section {
    padding: 78px 24px;
  }

  .section h2,
  .contact-copy h2 {
    font-size: 2.25rem;
  }

  .section-header,
  .split-layout,
  .scrolly,
  .diagnosis-layout,
  .contact-section {
    grid-template-columns: 1fr;
  }

  .section-header {
    gap: 18px;
  }

  .trait-grid,
  .product-grid,
  .course-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .cockpit,
  .contact-copy {
    position: relative;
    top: auto;
  }

  .site-footer {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  body {
    font-size: 15px;
  }

  .cursor {
    display: none;
  }

  .brand span {
    max-width: 86px;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  .hero {
    min-height: auto;
    display: block;
    padding: 122px 18px 42px;
  }

  .hero-content {
    padding-top: 92px;
  }

  .hero h1 {
    font-size: 2.25rem;
  }

  .hero-lede {
    font-size: 1rem;
  }

  .hero-actions,
  .dialog-actions {
    display: grid;
    grid-template-columns: 1fr;
  }

  .btn {
    width: 100%;
  }

  .hero-metrics {
    position: relative;
    right: auto;
    bottom: auto;
    left: auto;
    width: 100%;
    grid-template-columns: 1fr;
    margin-top: 34px;
  }

  .hero-metrics div {
    border-right: 0;
    border-bottom: 1px solid rgba(255, 250, 244, 0.14);
  }

  .hero-metrics div:last-child {
    border-bottom: 0;
  }

  .section {
    padding: 64px 18px;
  }

  .trait-grid,
  .product-grid,
  .course-grid,
  .dialog-columns {
    grid-template-columns: 1fr;
  }

  .identity-panel,
  .diagnosis-form,
  .diagnosis-result,
  .contact-form,
  .step,
  .cockpit,
  .product-dialog {
    padding: 22px;
  }

  .cockpit {
    min-height: 420px;
  }

  .signal-grid {
    grid-template-columns: repeat(2, 1fr);
    margin-top: 36px;
  }

  .course-media img {
    height: 210px;
  }

  .case-reel {
    grid-auto-columns: minmax(260px, 84vw);
  }

  .case-reel figure {
    min-height: 390px;
  }

  .case-reel img {
    height: 330px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 1ms !important;
    scroll-behavior: auto !important;
    transition-duration: 1ms !important;
  }
}