:root {
  --bg: #eef0f2;
  --paper: #ffffff;
  --soft: #f7f8fa;
  --soft-2: #f1f4f7;
  --ink: #0b0d10;
  --muted: #5f6874;
  --quiet: #8c95a1;
  --line: #dfe4ea;
  --line-strong: #cfd6dd;
  --accent: #06a7e5;
  --accent-soft: #e4f6fd;
  --shadow: 0 24px 70px rgba(15, 21, 27, 0.1);
  --radius: 8px;
  --max: 1360px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family:
    -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB",
    "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
  letter-spacing: 0;
}

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

ul,
ol {
  margin: 0;
  padding: 0;
  list-style: none;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  display: grid;
  grid-template-columns: 172px minmax(0, 1fr) auto;
  align-items: center;
  gap: 28px;
  max-width: var(--max);
  margin: 0 auto;
  padding: 22px 36px;
  background: rgba(255, 255, 255, 0.88);
  border-bottom: 1px solid rgba(223, 228, 234, 0.86);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 6px;
}

.brand-title {
  font-size: 24px;
  font-weight: 760;
  line-height: 1;
}

.brand-mark {
  width: 44px;
  height: 8px;
  background:
    radial-gradient(circle at 8px 8px, transparent 7px, var(--accent) 7.5px, var(--accent) 9px, transparent 9.5px),
    radial-gradient(circle at 24px 0, transparent 7px, var(--accent) 7.5px, var(--accent) 9px, transparent 9.5px);
  background-repeat: repeat-x;
  background-size: 32px 8px;
}

.nav-links {
  display: flex;
  justify-content: center;
  gap: clamp(14px, 2.15vw, 34px);
  color: #252a30;
  font-size: 14px;
}

.nav-links a {
  transition: color 0.18s ease;
}

.nav-links a:hover {
  color: var(--accent);
}

.nav-cta,
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 21px;
  border-radius: 7px;
  font-size: 14px;
  font-weight: 720;
  white-space: nowrap;
  transition:
    transform 0.18s ease,
    border-color 0.18s ease,
    box-shadow 0.18s ease;
}

.nav-cta,
.button-primary {
  background: #08090b;
  color: #fff;
  box-shadow: 0 18px 34px rgba(8, 9, 11, 0.18);
}

.button-secondary {
  background: rgba(255, 255, 255, 0.78);
  border: 1px solid var(--line-strong);
  color: #111418;
}

.nav-cta:hover,
.button:hover {
  transform: translateY(-2px);
}

.section-shell {
  max-width: var(--max);
  margin: 0 auto;
  padding: 86px 36px;
  background: var(--paper);
}

.section-shell[id] {
  scroll-margin-top: 96px;
}

.hero {
  position: relative;
  display: grid;
  grid-template-columns: minmax(440px, 0.88fr) minmax(580px, 1.12fr);
  gap: 42px;
  min-height: calc(100vh - 89px);
  overflow: hidden;
}

.hero-copy {
  position: relative;
  z-index: 1;
  display: flex;
  min-width: 0;
  min-height: 680px;
  flex-direction: column;
  justify-content: center;
  overflow: hidden;
}

.hero-watermark {
  position: absolute;
  top: 96px;
  left: -8px;
  z-index: -1;
  color: #eff1f3;
  font-size: clamp(96px, 11vw, 190px);
  font-weight: 850;
  letter-spacing: -0.05em;
  line-height: 0.85;
  pointer-events: none;
}

.hero h1 {
  max-width: 640px;
  margin: 0;
  font-size: clamp(54px, 5.6vw, 88px);
  font-weight: 860;
  letter-spacing: -0.02em;
  line-height: 1.04;
}

.hero h1 span {
  display: block;
  white-space: nowrap;
}

.hero-lede {
  max-width: 690px;
  margin: 26px 0 0;
  color: #21262c;
  font-size: 22px;
  font-weight: 680;
  line-height: 1.72;
}

.hero-subline {
  max-width: 560px;
  margin: 12px 0 0;
  color: var(--muted);
  font-size: 18px;
  line-height: 1.85;
}

.hero-actions {
  display: flex;
  gap: 12px;
  margin-top: 34px;
}

.hero-stage {
  position: relative;
  display: flex;
  min-width: 0;
  min-height: 680px;
  align-items: center;
}

.stage-word {
  position: absolute;
  top: 88px;
  right: 0;
  color: #b5b8bd;
  font-size: clamp(58px, 7vw, 112px);
  font-weight: 820;
  letter-spacing: -0.05em;
}

.browser-preview {
  position: relative;
  z-index: 1;
  width: min(670px, 78%);
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
  overflow: hidden;
}

.browser-top {
  display: flex;
  align-items: center;
  gap: 8px;
  height: 40px;
  padding: 0 18px;
  background: #f8f9fa;
  border-bottom: 1px solid var(--line);
}

.browser-top span {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #c8ced5;
}

.browser-top p {
  margin: 0 0 0 8px;
  color: #737b85;
  font-size: 12px;
}

.app-preview {
  display: grid;
  grid-template-columns: 58px 1fr;
  min-height: 442px;
}

.preview-rail {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 18px;
  padding-top: 36px;
  background: #fbfcfd;
  border-right: 1px solid var(--line);
}

.preview-rail span {
  width: 18px;
  height: 18px;
  border: 1px solid #ccd3db;
  border-radius: 50%;
}

.preview-rail .active {
  background: var(--accent);
  border-color: var(--accent);
  box-shadow: 0 0 0 5px rgba(6, 167, 229, 0.12);
}

.preview-main {
  padding: 32px;
}

.preview-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
}

.preview-head p {
  margin: 0;
  font-size: 20px;
  font-weight: 760;
}

.preview-head strong {
  color: var(--accent);
  font-size: 13px;
  white-space: nowrap;
}

.preview-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
  margin-top: 22px;
}

.preview-grid div,
.preview-bottom article {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.preview-grid div {
  min-height: 78px;
  padding: 15px 13px;
}

.preview-grid strong,
.preview-grid span {
  display: block;
}

.preview-grid strong {
  font-size: 17px;
}

.preview-grid span {
  margin-top: 8px;
  color: var(--muted);
  font-size: 12px;
}

.preview-progress {
  position: relative;
  display: flex;
  justify-content: space-between;
  margin-top: 26px;
  padding: 20px 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
}

.preview-progress::before {
  content: "";
  position: absolute;
  top: 28px;
  left: 22px;
  right: 22px;
  height: 2px;
  background: #d8dee5;
}

.preview-progress span {
  position: relative;
  z-index: 1;
  width: 18px;
  height: 18px;
  border: 2px solid #c9d0d8;
  border-radius: 50%;
  background: #fff;
}

.preview-progress .done {
  background: var(--accent);
  border-color: var(--accent);
}

.preview-bottom {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin-top: 18px;
}

.preview-bottom article {
  min-height: 118px;
  padding: 18px;
}

.preview-bottom h3 {
  margin: 0 0 9px;
  font-size: 16px;
}

.preview-bottom p {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.72;
}

.phone-preview {
  position: absolute;
  z-index: 2;
  right: 8px;
  bottom: 72px;
  width: 254px;
  min-height: 540px;
  padding: 14px;
  background: #fff;
  border: 6px solid #08090b;
  border-radius: 38px;
  box-shadow: 0 24px 62px rgba(15, 21, 27, 0.22);
}

.phone-notch {
  position: absolute;
  top: 10px;
  left: 50%;
  width: 78px;
  height: 22px;
  transform: translateX(-50%);
  border-radius: 999px;
  background: #08090b;
}

.phone-screen {
  padding: 44px 12px 18px;
}

.phone-screen h2 {
  margin: 0 0 20px;
  font-size: 18px;
}

.phone-screen li {
  position: relative;
  display: grid;
  grid-template-columns: 20px 1fr;
  gap: 10px;
  padding-bottom: 16px;
}

.phone-screen li::after {
  content: "";
  position: absolute;
  top: 17px;
  bottom: 0;
  left: 9px;
  width: 2px;
  background: #d8dee5;
}

.phone-screen li:last-child::after {
  display: none;
}

.phone-screen li > span {
  position: relative;
  z-index: 1;
  grid-row: 1 / span 2;
  width: 20px;
  height: 20px;
  border: 2px solid #c8d0d8;
  border-radius: 50%;
  background: #fff;
}

.phone-screen .active > span {
  background: var(--accent);
  border-color: var(--accent);
}

.phone-screen strong,
.phone-screen em {
  display: block;
  grid-column: 2;
}

.phone-screen strong {
  font-size: 13px;
  line-height: 1.36;
}

.phone-screen em {
  margin-top: 4px;
  color: var(--muted);
  font-size: 11px;
  font-style: normal;
  line-height: 1.45;
}

.section-heading {
  max-width: 860px;
  margin-bottom: 34px;
}

.split-heading {
  display: flex;
  max-width: none;
  align-items: flex-end;
  justify-content: space-between;
  gap: 42px;
}

.split-heading > p {
  max-width: 560px;
}

.section-kicker {
  display: block;
  margin-bottom: 12px;
  color: var(--accent);
  font-size: 13px;
  font-weight: 760;
  letter-spacing: 0.02em;
}

.section-heading h2 {
  margin: 0;
  font-size: clamp(32px, 3.4vw, 52px);
  font-weight: 820;
  letter-spacing: -0.02em;
  line-height: 1.16;
}

.section-heading p {
  margin: 14px 0 0;
  color: var(--muted);
  font-size: 17px;
  line-height: 1.82;
}

.positioning,
.journey,
.mentors,
.enterprise,
.guarantee,
.faq {
  background: var(--soft);
}

.problem-grid,
.module-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 14px;
}

.problem-grid article,
.compare-grid article,
.journey-grid article,
.module-grid article,
.course-grid article,
.session-panel,
.course-panel,
.mentor-profile,
.mentor-proof,
.mentor-pool article,
.enterprise-grid article,
.timeline-list article,
.guarantee-grid article,
.prepare-card,
.faq details {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
}

.problem-grid article {
  min-height: 218px;
  padding: 24px 20px;
}

.problem-grid span,
.journey-grid span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 36px;
  height: 28px;
  margin-bottom: 24px;
  color: #29313a;
  font-size: 12px;
  font-weight: 760;
  border: 1px solid var(--line);
  border-radius: 999px;
}

.problem-grid h3,
.journey-grid h3,
.compare-grid h3,
.module-grid strong,
.enterprise-grid h3,
.timeline-list h3,
.guarantee-grid h3 {
  margin: 0;
  font-size: 18px;
  line-height: 1.42;
}

.problem-grid p,
.journey-grid p,
.module-grid p,
.enterprise-grid p,
.timeline-list p,
.guarantee-grid p {
  margin: 13px 0 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.78;
}

.compare-grid,
.enterprise-grid,
.guarantee-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.compare-grid article,
.guarantee-grid article {
  padding: 32px;
}

.muted-card {
  background: #f9fafb !important;
}

.compare-grid ul,
.prepare-card ul {
  display: grid;
  gap: 13px;
  margin-top: 22px;
}

.compare-grid li,
.prepare-card li {
  position: relative;
  padding-left: 20px;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.75;
}

.compare-grid li::before,
.prepare-card li::before {
  content: "";
  position: absolute;
  top: 11px;
  left: 0;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent);
}

.journey-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}

.journey-grid article {
  min-height: 235px;
  padding: 26px 22px;
}

.journey-grid .wide-step {
  grid-column: span 2;
  background:
    linear-gradient(120deg, rgba(255, 255, 255, 0.96), rgba(255, 255, 255, 0.82)),
    var(--soft-2);
}

.service {
  background: #fff;
}

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

.module-grid article {
  min-height: 178px;
  padding: 26px;
}

.module-grid strong,
.module-grid span {
  display: block;
}

.module-grid span {
  margin-top: 10px;
  color: var(--accent);
  font-size: 13px;
  font-weight: 760;
}

.course-panel {
  margin-top: 16px;
  padding: 30px;
  background: #fff;
}

.course-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}

.course-grid article {
  min-height: 238px;
  padding: 24px;
  background: var(--soft);
}

.course-grid span {
  display: inline-flex;
  margin-bottom: 18px;
  padding: 7px 10px;
  border-radius: 999px;
  color: var(--accent);
  background: var(--accent-soft);
  font-size: 12px;
  font-weight: 800;
}

.course-grid h4 {
  margin: 0;
  font-size: 18px;
  line-height: 1.42;
}

.course-grid ul {
  display: grid;
  gap: 10px;
  margin-top: 15px;
}

.course-grid li {
  position: relative;
  padding-left: 16px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.65;
}

.course-grid li::before {
  content: "";
  position: absolute;
  top: 9px;
  left: 0;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--accent);
}

.session-panel {
  margin-top: 16px;
  padding: 30px;
  background: var(--soft);
}

.panel-heading {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 32px;
  margin-bottom: 22px;
}

.panel-heading h3 {
  margin: 0;
  font-size: 26px;
}

.panel-heading p {
  max-width: 620px;
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.75;
}

.session-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}

.session-grid article {
  min-height: 182px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
}

.session-grid span {
  display: inline-flex;
  margin-bottom: 20px;
  padding: 7px 10px;
  color: #fff;
  font-size: 11px;
  font-weight: 760;
  background: #0b0d10;
  border-radius: 5px;
}

.session-grid h4 {
  margin: 0;
  font-size: 17px;
}

.session-grid p {
  margin: 12px 0 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.72;
}

.mentor-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.18fr) minmax(360px, 0.82fr);
  gap: 16px;
}

.mentor-profile {
  display: block;
  padding: 32px;
  background: #fff;
}

.mentor-label {
  display: inline-flex;
  margin-bottom: 18px;
  padding: 8px 12px;
  color: var(--accent);
  background: var(--accent-soft);
  border-radius: 999px;
  font-size: 13px;
  font-weight: 800;
}

.mentor-profile h3 {
  max-width: 620px;
  margin: 0;
  font-size: clamp(28px, 3vw, 44px);
  line-height: 1.16;
}

.mentor-profile p {
  max-width: 660px;
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.82;
}

.mentor-proof {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  overflow: hidden;
}

.mentor-proof div {
  min-height: 132px;
  padding: 24px;
  background: #fff;
}

.mentor-proof div:nth-child(odd) {
  border-right: 1px solid var(--line);
}

.mentor-proof div:nth-child(n + 3) {
  border-top: 1px solid var(--line);
}

.mentor-proof strong {
  display: block;
  font-size: 28px;
  line-height: 1.08;
}

.mentor-proof span {
  display: block;
  margin-top: 10px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.62;
}

.mentor-pool {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin-top: 16px;
}

.mentor-pool article {
  min-height: 176px;
  padding: 26px;
  background: #fff;
}

.mentor-pool h3 {
  margin: 0;
  font-size: 18px;
}

.mentor-pool p {
  margin: 13px 0 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.78;
}

.enterprise-grid article {
  padding: 32px;
}

.enterprise-grid article:last-child {
  border-color: rgba(6, 167, 229, 0.38);
  box-shadow: 0 22px 56px rgba(6, 167, 229, 0.08);
}

.enterprise-grid span {
  display: inline-flex;
  margin-bottom: 24px;
  padding: 8px 12px;
  color: var(--accent);
  font-size: 13px;
  font-weight: 760;
  background: var(--accent-soft);
  border-radius: 999px;
}

.enterprise-grid em {
  display: block;
  margin-top: 28px;
  padding-top: 20px;
  color: var(--muted);
  font-size: 13px;
  font-style: normal;
  line-height: 1.72;
  border-top: 1px solid var(--line);
}

.timeline {
  background: #fff;
}

.timeline-list {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

.timeline-list article {
  min-height: 206px;
  padding: 26px 22px;
  border: 0;
  border-radius: 0;
}

.timeline-list article + article {
  border-left: 1px solid var(--line);
}

.timeline-list span {
  display: inline-flex;
  margin-bottom: 24px;
  color: var(--accent);
  font-size: 13px;
  font-weight: 800;
}

.timeline-note {
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.72;
}

.guarantee-grid article {
  min-height: 250px;
}

.guarantee-grid article:first-child {
  border-color: rgba(6, 167, 229, 0.38);
}

.prepare {
  padding-top: 58px;
  padding-bottom: 58px;
  background: var(--soft);
}

.prepare-card {
  display: grid;
  grid-template-columns: minmax(320px, 0.9fr) minmax(440px, 1.1fr);
  gap: 54px;
  padding: 44px;
  background:
    linear-gradient(105deg, rgba(255, 255, 255, 0.94), rgba(255, 255, 255, 0.82)),
    var(--soft-2);
}

.prepare-card h2 {
  margin: 0;
  font-size: clamp(32px, 3.4vw, 52px);
  line-height: 1.16;
}

.prepare-card p {
  max-width: 560px;
  margin: 16px 0 0;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.78;
}

.faq-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}

.faq details {
  padding: 0 22px;
}

.faq summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 22px 0;
  font-size: 16px;
  font-weight: 720;
  cursor: pointer;
}

.faq summary::-webkit-details-marker {
  display: none;
}

.faq summary::after {
  content: "+";
  color: #3e4650;
  font-size: 22px;
  line-height: 1;
}

.faq details[open] summary::after {
  content: "-";
}

.faq p {
  margin: 0;
  padding: 0 0 22px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.82;
}

.final-cta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
  padding-top: 54px;
  padding-bottom: 54px;
  background: #fff;
  overflow: hidden;
}

.final-cta div {
  position: relative;
}

.final-cta span {
  position: absolute;
  right: -190px;
  bottom: -52px;
  color: #f0f2f4;
  font-size: 110px;
  font-weight: 850;
  letter-spacing: -0.05em;
  line-height: 1;
}

.final-cta h2 {
  position: relative;
  margin: 0;
  font-size: clamp(28px, 3vw, 44px);
  line-height: 1.22;
}

.final-cta p {
  position: relative;
  margin: 12px 0 0;
  color: var(--muted);
  font-size: 17px;
}

.contact-dialog {
  width: min(460px, calc(100vw - 36px));
  padding: 32px;
  border: 1px solid var(--line);
  border-radius: 10px;
  color: var(--ink);
  background: #fff;
  box-shadow: 0 32px 100px rgba(8, 9, 11, 0.26);
}

.contact-dialog::backdrop {
  background: rgba(8, 10, 12, 0.42);
  backdrop-filter: blur(6px);
}

.contact-dialog h2 {
  margin: 0;
  font-size: 32px;
  line-height: 1.18;
}

.contact-dialog p {
  margin: 16px 0 24px;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.78;
}

.dialog-close {
  position: absolute;
  top: 14px;
  right: 14px;
  width: 32px;
  height: 32px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: #20262d;
  background: #fff;
  font-size: 22px;
  line-height: 1;
  cursor: pointer;
}

@media (max-width: 1180px) {
  .site-header {
    grid-template-columns: 148px minmax(0, 1fr) auto;
    gap: 18px;
    padding-inline: 24px;
  }

  .nav-links {
    gap: 14px;
    font-size: 13px;
  }

  .section-shell {
    padding-inline: 24px;
  }

  .hero {
    grid-template-columns: minmax(0, 1fr);
    min-height: auto;
  }

  .hero-copy {
    min-height: auto;
    padding-top: 70px;
  }

  .hero-stage {
    min-height: 640px;
  }

  .problem-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .journey-grid,
  .session-grid,
  .course-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .mentor-layout {
    grid-template-columns: 1fr;
  }

  .timeline-list {
    grid-template-columns: repeat(2, 1fr);
  }

  .timeline-list article + article {
    border-left: 0;
  }

  .timeline-list article:nth-child(even) {
    border-left: 1px solid var(--line);
  }

  .timeline-list article:nth-child(n + 3) {
    border-top: 1px solid var(--line);
  }
}

@media (max-width: 860px) {
  .site-header {
    grid-template-columns: 1fr auto;
  }

  .nav-links {
    display: none;
  }

  .section-shell {
    padding: 68px 24px;
  }

  .hero h1 {
    font-size: clamp(40px, 10.5vw, 66px);
    word-break: keep-all;
  }

  .hero-lede {
    font-size: 18px;
  }

  .hero-actions,
  .final-cta,
  .panel-heading,
  .split-heading {
    flex-direction: column;
    align-items: flex-start;
  }

  .hero-stage {
    min-height: 740px;
    overflow: hidden;
  }

  .browser-preview {
    width: 100%;
  }

  .phone-preview {
    right: 22px;
    bottom: 28px;
    width: 232px;
  }

  .preview-grid,
  .preview-bottom,
  .compare-grid,
  .module-grid,
  .course-grid,
  .mentor-pool,
  .enterprise-grid,
  .guarantee-grid,
  .prepare-card,
  .faq-grid {
    grid-template-columns: 1fr;
  }

  .journey-grid {
    grid-template-columns: 1fr;
  }

  .journey-grid .wide-step {
    grid-column: auto;
  }

  .prepare {
    padding-top: 44px;
    padding-bottom: 44px;
  }

  .final-cta span {
    display: none;
  }
}

@media (max-width: 560px) {
  .site-header {
    padding: 18px;
  }

  .nav-cta {
    min-height: 40px;
    padding-inline: 14px;
    font-size: 13px;
  }

  .section-shell {
    padding: 58px 18px;
  }

  .hero-copy {
    padding-top: 24px;
  }

  .hero h1 {
    font-size: clamp(34px, 11vw, 48px);
  }

  .hero-stage {
    min-height: 650px;
    flex-direction: column;
    align-items: center;
  }

  .stage-word {
    display: none;
  }

  .browser-preview {
    width: 100%;
  }

  .app-preview {
    grid-template-columns: 42px 1fr;
  }

  .preview-main {
    padding: 22px;
  }

  .phone-preview {
    position: relative;
    right: auto;
    bottom: auto;
    width: min(232px, 76vw);
    margin: -30px auto 0;
  }

  .problem-grid,
  .session-grid,
  .course-grid,
  .mentor-proof,
  .mentor-pool,
  .timeline-list {
    grid-template-columns: 1fr;
  }

  .mentor-proof div:nth-child(odd) {
    border-right: 0;
  }

  .mentor-proof div + div {
    border-top: 1px solid var(--line);
  }

  .timeline-list article:nth-child(even) {
    border-left: 0;
  }

  .timeline-list article + article {
    border-top: 1px solid var(--line);
  }

  .problem-grid article,
  .compare-grid article,
  .journey-grid article,
  .module-grid article,
  .course-grid article,
  .mentor-profile,
  .mentor-pool article,
  .enterprise-grid article,
  .guarantee-grid article,
  .session-panel,
  .course-panel,
  .prepare-card {
    padding: 24px;
  }
}