/* Audit revision: fewer repeated sections, clear course choice and practical program. */
.anchor-target { display: block; scroll-margin-top: 100px; }
.hero-notes { display: grid; gap: 16px; margin-top: 22px; }
.hero-notes > p { margin: 0; font-size: 14px; line-height: 1.7; }
.hero .button-row { margin-top: 28px; }
.hero-intro { max-width: 34em; }
.hero { padding-bottom: 56px; }
.section { padding-block: clamp(48px, 6vw, 80px); }
.course-grid { margin-top: 0; }
.course-count { font-size: 13px; color: var(--muted); }
.course-dark .course-count { color: #e3e4ef; }
.course-card .card-top { gap: 16px; align-items: flex-start; flex-wrap: wrap; }
.course-card .check-list { margin-block: 24px; }
.course-card > p:not(.course-subtitle) { max-width: 38em; }
.course-footer { margin-top: auto; padding-top: 24px; align-items: flex-end; }
.course-footer .button { width: 100%; margin-top: 10px; }
.course-price { font-size: 36px; font-weight: 700; line-height: 1.15; }
.course-price > span { font-size: 25px; }
.course-price small { display: block; margin-top: 8px; font-size: 13px; font-weight: 400; color: var(--muted); }
.course-dark .course-price small { color: #e3e4ef; }
.course-common { margin-top: 22px; max-width: 850px; font-size: 15px; color: var(--muted); }
.practice-showcase { background: white; }
.assistant-lab { border: 1px solid var(--line); border-radius: 24px; overflow: hidden; background: var(--bg); box-shadow: 0 18px 60px #2a2d5009; }
.assistant-lab-top { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 12px; padding: 22px 30px; border-bottom: 1px solid var(--line); background: white; }
.assistant-project-label { display: flex; align-items: center; gap: 10px; color: var(--ink); font-size: 15px; font-weight: 500; }
.assistant-project-label .icon { color: var(--accent); }
.assistant-course-label { color: var(--accent); background: var(--soft); border-radius: 100px; padding: 6px 12px; font-size: 12px; }
.assistant-capabilities { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 24px; padding: 28px 30px; }
.assistant-capabilities strong { display: block; font-size: 16px; line-height: 1.4; font-weight: 500; }
.assistant-capabilities p { color: var(--muted); font-size: 13px; line-height: 1.65; margin-top: 7px; }
.assistant-scenarios { display: flex; gap: 8px; padding: 0 30px 24px; }
.assistant-scenarios button { display: flex; align-items: center; justify-content: center; gap: 8px; min-height: 48px; flex: 1; border: 1px solid var(--line); border-radius: 10px; padding: 10px 12px; background: white; color: var(--ink); font-size: 14px; line-height: 1.4; transition: background .18s, border-color .18s; }
.assistant-scenarios button[aria-pressed="true"] { color: white; background: var(--ink); border-color: var(--ink); }
.assistant-scenarios button:hover { border-color: var(--accent); }
.assistant-scenarios .icon { width: 19px; height: 19px; flex: 0 0 19px; }
.assistant-demo { display: grid; grid-template-columns: minmax(0,1.06fr) minmax(0,1fr); gap: 30px; padding: 0 30px 28px; align-items: start; }
.assistant-chat-window { min-width: 0; border: 1px solid #dedee8; border-radius: 18px; overflow: hidden; background: linear-gradient(155deg,#f4eef4,#e9edf5); }
.assistant-chat-header { display: flex; align-items: center; gap: 12px; padding: 18px 22px; background: white; border-bottom: 1px solid var(--line); }
.assistant-avatar { display: grid; place-items: center; width: 42px; height: 42px; background: var(--ink); color: white; border-radius: 50%; flex-shrink: 0; }
.assistant-chat-header strong { display: block; font-size: 15px; font-weight: 500; }
.assistant-chat-header div > span { font-size: 11px; color: var(--muted); }
.assistant-chat-tag { margin-left: auto; color: var(--accent); font-size: 11px; white-space: nowrap; }
.assistant-conversation { display: flex; flex-direction: column; gap: 18px; padding: 24px; min-height: 474px; }
.assistant-context { padding: 16px; border: 1px solid #d2d5e0; background: #ffffffb8; border-radius: 12px; font-size: 13px; color: var(--muted); }
.assistant-context .mini-label { display: block; margin-bottom: 10px; font-size: 10px; letter-spacing: .05em; color: var(--muted); }
.assistant-context > p { font-size: 13px; line-height: 1.6; color: var(--ink); }
.assistant-record { display: flex; justify-content: space-between; gap: 12px; padding-block: 8px; border-top: 1px solid var(--line); font-size: 12px; line-height: 1.5; }
.assistant-record b { font-size: 11px; font-weight: 500; color: var(--accent); }
.assistant-record > :last-child { white-space: nowrap; }
.assistant-memory-tag { display: block; color: var(--accent); font-size: 11px; margin-top: 10px; }
.assistant-document { display: flex; align-items: center; gap: 10px; margin-bottom: 12px; color: var(--ink); }
.assistant-document > .icon { flex: 0 0 24px; color: var(--accent); }
.assistant-document strong { font-size: 12px; font-weight: 500; overflow-wrap: anywhere; }
.assistant-document div > span { display: block; color: var(--muted); font-size: 11px; margin-top: 3px; }
.assistant-message { max-width: 94%; padding: 16px 18px; border-radius: 14px; font-size: 14px; line-height: 1.65; }
.assistant-message > span { display: flex; gap: 6px; align-items: center; font-size: 11px; font-weight: 500; margin-bottom: 6px; }
.assistant-message > span .icon { width: 15px; height: 15px; }
.assistant-message-user { align-self: flex-end; background: var(--ink); color: white; border-bottom-right-radius: 4px; }
.assistant-message-user > span { color: #e3e4ef; }
.assistant-message-bot { align-self: flex-start; background: white; color: var(--ink); border: 1px solid #e0dfe8; border-bottom-left-radius: 4px; }
.assistant-message-bot > span { color: var(--accent); }
.assistant-message-bot ul { padding-left: 18px; margin-block: 10px; }
.assistant-message-bot li + li { margin-top: 6px; }
.assistant-message-bot strong { font-weight: 500; }
.assistant-result-tag { display: flex; align-items: flex-start; gap: 8px; color: #355e47; font-size: 12px; }
.assistant-result-tag .icon { flex: 0 0 16px; width: 16px; height: 16px; margin-top: 2px; }
.assistant-build { min-width: 0; padding: 8px 0; }
.assistant-build-heading > .mini-label { font-size: 11px; color: var(--accent); letter-spacing: .07em; }
.assistant-build-heading h3 { font-size: clamp(22px,2.2vw,28px); margin-top: 10px; line-height: 1.3; max-width: 24ch; }
.assistant-pipeline { list-style: none; padding: 0; margin: 24px 0; display: grid; gap: 16px; }
.assistant-pipeline li { position: relative; display: flex; align-items: center; gap: 14px; min-height: 77px; padding: 14px 16px; border: 1px solid var(--line); border-radius: 12px; background: white; }
.assistant-pipeline li + li::before { content: ''; position: absolute; height: 16px; width: 2px; top: -17px; left: 34px; background: #a8aec3; }
.assistant-node-icon { display: grid; place-items: center; width: 38px; height: 38px; flex-shrink: 0; border: 1px solid var(--line); border-radius: 9px; color: var(--ink); background: var(--bg); }
.assistant-node-icon .icon { width: 20px; height: 20px; }
.assistant-pipeline strong { display: block; font-size: 15px; line-height: 1.4; font-weight: 500; }
.assistant-pipeline div > span { display: block; font-size: 12px; line-height: 1.5; color: var(--muted); margin-top: 4px; }
.assistant-pipeline .assistant-agent-node { border-color: #bb7a98; background: #fcf6f9; }
.assistant-agent-node .assistant-node-icon { border-color: transparent; background: var(--accent); color: white; }
.assistant-model-port { padding-left: 14px; border-left: 2px solid var(--accent); }
.assistant-model-port > span { display: flex; align-items: center; gap: 8px; font-size: 13px; font-weight: 500; }
.assistant-model-port .icon { width: 17px; height: 17px; color: var(--accent); }
.assistant-model-port p { font-size: 12px; line-height: 1.65; color: var(--muted); margin-top: 6px; }
.assistant-recipe { margin-top: 22px; border-top: 1px solid var(--line); }
.assistant-recipe summary { display: flex; justify-content: space-between; align-items: center; gap: 12px; min-height: 52px; padding-block: 12px; font-size: 14px; font-weight: 500; color: var(--accent); }
.assistant-recipe summary .icon { width: 18px; height: 18px; }
.assistant-recipe[open] summary .icon { transform: rotate(45deg); }
.assistant-recipe ol { padding-left: 20px; font-size: 13px; line-height: 1.7; }
.assistant-recipe li + li { margin-top: 6px; }
.assistant-recipe p { margin-top: 14px; color: var(--muted); font-size: 12px; line-height: 1.65; }
.assistant-demo-note { border-top: 1px solid var(--line); padding: 16px 30px; color: var(--muted); font-size: 12px; line-height: 1.6; background: white; }
@media (max-width: 1023px) {
  .assistant-demo { gap: 22px; padding-inline: 22px; }
  .assistant-lab-top, .assistant-capabilities { padding-inline: 22px; }
  .assistant-scenarios { padding-inline: 22px; }
  .assistant-chat-header { padding-inline: 16px; }
  .assistant-chat-tag { display: none; }
  .assistant-conversation { padding: 16px; }
  .assistant-record { flex-wrap: wrap; gap: 4px 12px; }
}
@media (max-width: 767px) {
  .assistant-lab { border-radius: 18px; }
  .assistant-lab-top { padding: 18px; gap: 12px; }
  .assistant-project-label { font-size: 14px; }
  .assistant-project-label .icon { flex-shrink: 0; }
  .assistant-capabilities { grid-template-columns: 1fr; gap: 16px; padding: 22px 18px; }
  .assistant-capabilities > div { padding-left: 14px; border-left: 2px solid #b98aa2; }
  .assistant-capabilities strong { font-size: 15px; }
  .assistant-capabilities p { font-size: 13px; margin-top: 4px; }
  .assistant-scenarios { flex-direction: column; padding: 0 18px 22px; gap: 8px; }
  .assistant-scenarios button { justify-content: flex-start; padding-inline: 14px; }
  .assistant-demo { grid-template-columns: minmax(0,1fr); gap: 26px; padding: 0 18px 22px; }
  .assistant-conversation { min-height: 0; padding: 16px 12px; gap: 14px; }
  .assistant-context { padding: 12px; }
  .assistant-message { max-width: 96%; padding: 14px; font-size: 13px; }
  .assistant-build { padding: 0; }
  .assistant-pipeline { margin-block: 20px; }
  .assistant-pipeline li { padding: 12px; gap: 12px; }
  .assistant-pipeline li + li::before { left: 30px; }
  .assistant-demo-note { padding-inline: 18px; }
  .practice-showcase .example-footer .button { width: 100%; font-size: 13px; padding-inline: 12px; white-space: normal; }
}
@media (prefers-reduced-motion: reduce) { .assistant-scenarios button { transition: none; } }
.example-footer { display: flex; flex-wrap: wrap; gap: 20px; justify-content: space-between; align-items: center; margin-top: 22px; }
.example-footer p { max-width: 670px; font-size: 13px; color: var(--muted); }
.audience-panel { margin-bottom: 0; padding: clamp(22px, 3vw, 36px); }
.audience-skills { margin-top: 20px; margin-bottom: 22px; gap: 12px; }
.audience-result { align-self: stretch; display: flex; flex-direction: column; justify-content: center; }
.audience-result .recommendation { margin-top: 18px; margin-bottom: 0; }
.audience-result .before-after { margin-top: 16px; }
.skills-disclosure { border: 1px solid var(--line); border-radius: 20px; background: white; margin-top: 24px; padding: 0 24px; }
.skills-disclosure > summary { display: flex; align-items: center; justify-content: space-between; gap: 16px; min-height: 96px; padding-block: 20px; }
.skills-disclosure summary strong { display: block; font-size: 21px; line-height: 1.3; margin-top: 6px; }
.disclosure-action { display: inline-flex; gap: 12px; align-items: center; flex-shrink: 0; font-size: 13px; color: var(--accent); }
.skills-disclosure[open] > summary .icon { transform: rotate(45deg); }
.skills-disclosure .skills-grid { padding-bottom: 24px; margin-top: 0; }
.skill-card { padding: 20px; min-height: 0; box-shadow: none; }
.skill-card h4 { font-size: 18px; line-height: 1.35; margin-block: 14px 8px; }
.skill-card > p { font-size: 14px; line-height: 1.55; margin: 0; }
.program-overview { align-items: flex-start; gap: 20px; margin: 24px 0; }
.program-overview > div { max-width: 850px; }
.program-overview h3 { font-size: clamp(25px, 2.5vw, 32px); margin-bottom: 12px; }
.program-overview p { font-size: 17px; line-height: 1.6; margin: 0; }
.program-overview .program-entry { margin-top: 12px; font-size: 14px; color: var(--accent); }
.program-count { flex-shrink: 0; }
.program-portfolio { padding: 22px 24px; background: var(--soft); border-radius: 16px; margin-bottom: 26px; }
.program-portfolio > .mini-label { color: var(--accent); }
.program-portfolio ul { list-style: none; display: grid; gap: 14px; margin-top: 16px; padding: 0; }
.program-portfolio li { display: flex; align-items: flex-start; gap: 10px; font-size: 15px; line-height: 1.5; }
.program-portfolio .icon { width: 19px; height: 19px; margin-top: 3px; color: var(--accent); }
.module summary { padding-block: 20px; }
.module-title > span { margin-top: 7px; font-size: 14px; line-height: 1.5; }
.module-body { display: grid; gap: 22px; padding: 0 0 24px; }
.module-label { font-size: 13px; font-weight: 500; color: var(--accent); margin-bottom: 14px; }
.module-lessons { grid-template-columns: 1fr; gap: 10px; font-size: 15px; line-height: 1.6; }
.module-practice { padding: 22px; border-radius: 14px; background: var(--bg); }
.module-practice p { font-size: 15px; line-height: 1.6; color: var(--muted); }
.module-practice p + p { margin-top: 18px; }
.module-practice strong { display: block; color: var(--ink); font-size: 15px; margin-bottom: 7px; }
.project-card { margin-top: 28px; border-left: 3px solid var(--accent); padding: 4px 0 4px 22px; }
.project-card .mini-label { color: var(--accent); }
.project-card h3 { font-size: clamp(23px, 2.3vw, 29px); margin: 10px 0; }
.project-card p { max-width: 870px; font-size: 16px; color: var(--muted); }
.program-principle, .program-glossary { margin-top: 22px; max-width: 960px; font-size: 14px; color: var(--muted); }
.learning-steps { margin-top: 34px; }
.mentor-panel { margin-top: 28px; padding: 26px; }
.mentor-heading h3 { font-size: 24px; }
.process-disclosure { margin-top: 24px; border-block: 1px solid var(--line); }
.process-disclosure > summary { display: flex; justify-content: space-between; align-items: center; min-height: 62px; font-size: 16px; color: var(--accent); }
.process-disclosure .process-film { margin-top: 0; margin-bottom: 24px; }
.experts .section-description { margin-bottom: 22px; }
.experts-toolbar { justify-content: flex-end; margin-bottom: 20px; }
.experts-total { white-space: nowrap; }
.credential-summary { display: grid; gap: 26px; }
.credential-summary h2 { max-width: 17ch; }
.credential-summary p { font-size: 16px; line-height: 1.65; }
.credential-summary p + p { margin-top: 16px; color: var(--muted); }
.credential-summary .text-link { margin-top: 22px; }
.credential-title { margin-top: 24px; padding-top: 16px; border-top: 1px solid var(--line); }
.credential-title summary { font-size: 14px; color: var(--accent); }
.credential-title p { margin-top: 12px; font-size: 14px; color: var(--muted); }
.business-panel { padding: clamp(24px, 4vw, 48px); gap: 36px; }
.corporate-note { font-size: 13px !important; line-height: 1.6; }
.faq-answer { font-size: 16px; }
.download-choices { display: grid; gap: 14px; }
.download-choice { display: flex; justify-content: space-between; gap: 16px; align-items: center; padding: 24px; border-radius: 16px; background: white; color: var(--ink); transition: transform .2s; }
.download-choice:hover { transform: translateY(-3px); }
.download-choice strong { display: block; font-size: 24px; }
.download-choice small { display: block; margin-top: 6px; color: var(--muted); font-size: 14px; }
.download-choice > .icon { color: var(--accent); }
.field input, .field select { font-size: 16px; }
.footer-links { flex-wrap: wrap; }
@media (min-width: 768px) {
  .hero-notes { grid-template-columns: 1.08fr 1fr; column-gap: 32px; align-items: start; }
  .program-portfolio ul { grid-template-columns: repeat(3,minmax(0,1fr)); gap: 24px; }
  .module-body { grid-template-columns: 1fr 1fr; padding-left: 48px; }
  .credential-summary { grid-template-columns: 1fr 1fr; gap: 48px; align-items: start; }
}
@media (min-width: 1024px) {
  .hero-grid, .hero-notes { grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr); column-gap: 40px; }
}
@media (max-height: 500px) and (min-width: 768px) and (max-width: 1023px) {
  .hero-notes { grid-template-columns: 1fr; }
  .hero-video-caption { max-width: 540px; width: 100%; margin-inline: auto; }
}
@media (max-width: 767px) {
  .hero { padding-block: 34px 40px; }
  .hero-intro { font-size: 17px; line-height: 1.6; margin-top: 24px; }
  .hero h1 { font-size: clamp(46px,12vw,60px); }
  .hero-notes .hero-meta { font-size: 13px; line-height: 1.8; }
  .course-card { padding: 24px; }
  .course-card .card-top { gap: 8px; margin-bottom: 18px; }
  .course-level { font-size: 11px; }
  .course-card .check-list { gap: 12px; }
  .course-footer .button { padding-inline: 14px; }
  .course-count { font-size: 12px; }
  .section-heading { margin-bottom: 26px; }
  .example-footer .text-link { font-size: 15px; }
  .skills-disclosure { padding-inline: 18px; }
  .skills-disclosure > summary { gap: 12px; }
  .skills-disclosure summary strong { font-size: 19px; }
  .disclosure-action { font-size: 0; }
  .disclosure-action .icon { width: 22px; }
  .program-overview { flex-direction: column; }
  .program-count { align-self: flex-start; }
  .program-tabs { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); overflow: visible; gap: 8px; }
  .program-tabs .tab { display: flex; flex-direction: column; justify-content: center; gap: 4px; min-width: 0; width: 100%; padding: 12px 10px; font-size: 14px; white-space: normal; }
  .program-tabs .tab span { margin-left: 0; font-size: 12px; }
  .program-overview p { font-size: 16px; }
  .module-title strong { font-size: 20px; }
  .module-number { font-size: 12px; }
  .module summary { gap: 12px; }
  .module-practice { padding: 18px; }
  .learning-steps { gap: 24px; }
  .mentor-panel { padding: 22px; }
  .experts-toolbar { justify-content: stretch; }
  .download-choice { padding: 20px; }
}
@media (prefers-reduced-motion: reduce) { .download-choice { transition: none; } .download-choice:hover { transform: none; } }

/* Designer review 1: shared heading alignment and compact actions. */
.section-heading { flex-direction: column; align-items: stretch; padding-bottom: 20px; }
.section-heading > div { min-width: 0; }
.section-heading h2 { position: relative; }
.section-heading h2::after { position: absolute; top: 100%; left: 0; }
.section-heading .section-intro { margin-top: 20px; }

.button.button-course { background: var(--ink); border-color: var(--ink); color: white; box-shadow: none; }
.button.button-course:hover:not(:disabled) { background: #393d66; border-color: #393d66; box-shadow: 0 4px 14px #2a2d501a; }
.button.button-course:active:not(:disabled) { background: #20233e; border-color: #20233e; box-shadow: none; }
.button.button-course:focus-visible { outline: 3px solid var(--accent); outline-offset: 4px; }
.button.button-course:disabled { background: var(--line); border-color: var(--line); color: #54596d; opacity: 1; box-shadow: none; transform: none; }
.button.button-course:disabled .icon { transform: none; }

.program-toolbar { display: flex; flex-direction: column; align-items: stretch; gap: 16px; margin-bottom: 26px; }
.program-toolbar .program-tabs { margin: 0; }
.program-toolbar #download-program { max-width: 100%; padding-inline: 16px; }

.experts-header-row { display: flex; flex-direction: column; align-items: stretch; gap: 20px; margin: 20px 0 20px; }
.experts-header-row .section-description { margin: 0; }
.experts-header-row .experts-toolbar { flex-direction: row; align-items: center; justify-content: space-between; gap: 16px; margin: 0; }
.experts-total { font-size: 14px; }
.carousel-controls { flex-shrink: 0; gap: 10px; }
.carousel-button { width: 48px; height: 48px; min-height: 48px; padding: 0; border-radius: 50%; color: var(--ink); }
.carousel-button:hover:not(:disabled) { background: var(--soft); color: var(--accent); }
.carousel-button:active:not(:disabled) { background: #e9d4dd; border-color: var(--accent); }
.carousel-button:focus-visible { outline: 3px solid var(--accent); outline-offset: 3px; }
.carousel-button:disabled { background: transparent; color: #9598a8; opacity: 1; }
.experts-progress { height: 3px; }
.experts-progress > span { width: 0; }

@media (min-width: 1024px) {
  .section-heading, .experts .section-heading { flex-direction: row; align-items: last baseline; }
  .section-heading > div { flex: 1; }
  .section-heading .section-intro { flex: 0 1 380px; margin: 0; }
  .program-toolbar { flex-direction: row; align-items: center; justify-content: space-between; gap: 24px; }
  .program-toolbar #download-program { flex-shrink: 0; }
  .experts-header-row { flex-direction: row; align-items: center; justify-content: space-between; gap: 36px; margin-bottom: 24px; }
  .experts-header-row .section-description { flex: 1; }
  .experts-header-row .experts-toolbar { flex-shrink: 0; gap: 24px; }
  .experts-total { font-size: 15px; }
}
@media (min-width: 768px) and (max-width: 1023px) {
  .program-toolbar .program-tabs { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
  .program-toolbar .tab { justify-content: center; }
}