:root {
    --primary-color: #d45b35;
    --primary-color-rgb: 212, 91, 53;
    --primary-variant: #b84727;
    --secondary-color: #263a32;
    --secondary-variant: #3d5b4c;
    --accent-color: #d45b35;
    --background-color: #f4f1e9;
    --surface-color: #fbfaf6;
    --surface-variant: #e9e5da;
    --text-primary: #18231f;
    --text-secondary: #65716b;
    --text-muted: #848b82;
    --border-color: #d8d7cc;
    --gradient-primary: linear-gradient(135deg, #263a32 0%, #364a40 100%);
    --gradient-secondary: linear-gradient(135deg, #d45b35 0%, #bd4b2d 100%);
    --gradient-accent: linear-gradient(135deg, #d45b35 0%, #b84727 100%);
    --gradient-about: linear-gradient(135deg, #e9e5da, #f4f1e9);
    --gradient-experience: linear-gradient(135deg, #263a32, #364a40);
    --gradient-articles: linear-gradient(135deg, #e9e5da, #f4f1e9);
    --gradient-contact: linear-gradient(135deg, #263a32, #364a40);
    --shadow-light: 0 2px 10px rgba(24, 35, 31, .04);
    --shadow-medium: 0 8px 24px rgba(24, 35, 31, .07);
    --shadow-large: 0 12px 35px rgba(24, 35, 31, .08);
}

[data-theme="dark"] {
    --primary-color: #e18a66;
    --primary-color-rgb: 225, 138, 102;
    --primary-variant: #d45b35;
    --secondary-color: #263a32;
    --secondary-variant: #3d5b4c;
    --accent-color: #e18a66;
    --background-color: #18231f;
    --surface-color: #202c26;
    --surface-variant: #293831;
    --text-primary: #f4f1e9;
    --text-secondary: #c1c9c1;
    --text-muted: #929e94;
    --border-color: #3a4940;
}

html { scroll-behavior: smooth; scroll-padding-top: 86px; }
body { font-family: "Manrope", "PingFang SC", "Microsoft YaHei", sans-serif; background: var(--background-color); color: var(--text-primary); }
a { transition: color .18s ease, background-color .18s ease; }
:focus-visible { outline: 2px solid var(--primary-color); outline-offset: 4px; }

/* Shared navigation */
.navbar { background: color-mix(in srgb, var(--background-color) 94%, transparent); border-bottom: 1px solid var(--border-color); box-shadow: none; backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px); }
.nav-container { max-width: 1240px; height: 74px; padding-inline: 32px; }
.nav-logo h2 { display: flex; flex-direction: column; gap: 4px; color: var(--text-primary); font-family: "DM Mono", monospace; font-size: 11px; font-weight: 500; letter-spacing: .12em; }
.nav-logo h2::after { content: "PRODUCT · SUPPLY CHAIN"; color: var(--text-muted); font-size: 8px; letter-spacing: .08em; }
.nav-menu { gap: clamp(16px, 2.7vw, 36px); }
.nav-link { padding-block: 9px; color: var(--text-secondary); font-size: 11px; font-weight: 600; letter-spacing: .01em; }
.nav-link::after { height: 1px; bottom: 0; background: var(--primary-color); }
.nav-link:hover, .nav-link.active { color: var(--text-primary); }
.nav-controls { gap: 13px; }
.theme-toggle { display: grid; place-items: center; width: 34px; height: 34px; border: 1px solid var(--border-color); border-radius: 50%; color: var(--text-secondary); cursor: pointer; }
.theme-toggle:hover { border-color: var(--primary-color); color: var(--primary-color); }
.nav-toggle { color: var(--text-primary); }

.main-content { padding-top: 74px; }
.section { padding-block: 76px; margin-bottom: 0; }
.section-title { color: var(--text-primary); font-size: clamp(29px, 4vw, 42px); font-weight: 700; letter-spacing: -.055em; }
.section-description { color: var(--text-secondary); font-size: 13px; line-height: 1.9; }
.hero-title, .about-title { letter-spacing: -.06em; }
.hero-subtitle, .about-subtitle { color: var(--text-secondary); }
.btn, .read-more, .overview-link { border-radius: 2px; font-weight: 600; }
.btn-primary { background: var(--secondary-color); color: #f4f1e9; }
.btn-primary:hover { background: var(--primary-color); }
.btn-secondary { border-color: var(--border-color); color: var(--text-primary); }
.btn-secondary:hover { background: var(--surface-variant); }

/* About */
.about-hero { background: var(--gradient-about); }
.about-hero-content { gap: clamp(38px, 7vw, 100px); }
.about-title { max-width: 700px; color: var(--text-primary); font-size: clamp(38px, 5vw, 62px); }
.about-subtitle { max-width: 680px; font-size: 17px; line-height: 1.75; }
.about-description { max-width: 700px; color: var(--text-secondary); font-size: 13px; line-height: 2; }
.image-placeholder { padding: 10px; border: 1px solid var(--border-color); border-radius: 0; background: transparent; box-shadow: none; }
.profile-image { border-radius: 0; filter: saturate(.76); }
.career-timeline { background: var(--surface-color); }
.career-timeline .container { max-width: 1320px; }
.career-kicker { margin: 0 0 16px; color: var(--primary-color); font: 10px "DM Mono", monospace; letter-spacing: .14em; }
.career-timeline .section-title { margin-bottom: 12px; font-size: clamp(34px, 4.2vw, 50px); }
.career-intro { max-width: 1100px; margin: 0 auto; color: var(--text-secondary); font-size: 14px; line-height: 1.9; text-align: center; }
.career-list { max-width: none; margin-top: 36px; border-top: 1px solid var(--border-color); }
.career-item { display: grid; grid-template-columns: 180px minmax(0, 1fr) 205px; align-items: start; gap: 25px; padding: 25px 0; border-bottom: 1px solid var(--border-color); }
.career-date { padding-top: 5px; color: var(--primary-color); font: 11px "DM Mono", monospace; }
.career-heading { display: flex; min-height: 30px; align-items: center; gap: 12px; margin-bottom: 6px; }
.career-heading h3 { min-width: 0; }
.career-heading-early { flex-wrap: wrap; gap: 6px 12px; }
.career-heading-early h3 { flex-basis: 100%; }
.career-company-logo { display: block; flex: 0 0 auto; width: auto; max-width: 96px; height: 31px; object-fit: contain; }
.career-logo-cainiao { max-width: 58px; }
.career-logo-taobao { max-width: 68px; }
.career-logo-shanghai { max-width: 92px; }
.career-company-logos { display: flex; flex: 0 0 auto; align-items: center; gap: 11px; }
.career-logo-michelin { width: 128px; max-width: 128px; height: auto; object-fit: contain; }
.career-logo-dell { width: 96px; height: auto; }
.career-logo-alibaba { width: 72px; height: auto; }
.career-tags { display: flex; align-items: flex-start; justify-self: end; gap: 6px; flex-wrap: wrap; }
.career-tags .career-tag { justify-self: auto; }
.career-item h3 { margin: 0 0 6px; color: var(--text-primary); font-size: 16px; }
.career-heading h3 { margin: 0; }
.career-item p { max-width: 900px; margin: 0; color: var(--text-secondary); font-size: 13px; line-height: 1.85; }
.career-tag { justify-self: end; padding: 6px 9px; border: 1px solid var(--border-color); color: var(--text-muted); font: 9px "DM Mono", monospace; letter-spacing: .06em; }
.expertise, .core-skills, .education, .vision { background: var(--background-color); }
.expertise-areas { gap: 15px; }
.area-item, .skill-category, .education-item, .vision-item { border: 1px solid var(--border-color); border-radius: 2px; background: var(--surface-color); box-shadow: none; }
.area-item { padding: 25px; }
.area-item::before, .skill-category::before { display: none; }
.area-item:hover, .skill-category:hover, .education-item:hover, .vision-item:hover { transform: translateY(-2px); box-shadow: var(--shadow-medium); }
.area-icon, .vision-icon { color: var(--primary-color); }
.area-title, .category-title, .vision-title { color: var(--text-primary); }
.area-description, .skill-description, .vision-description, .education .description { color: var(--text-secondary); font-size: 12px; line-height: 1.9; }
.skill-tag { padding: 6px 9px; border: 1px solid var(--border-color); border-radius: 2px; background: var(--surface-variant); color: var(--text-secondary); font-size: 10px; }
.skills-categories { gap: 15px; }
.skill-category { padding: 25px; }
.skill-item { border-bottom: 1px solid var(--border-color); }
.skill-image-placeholder, .cert-image-placeholder { border-radius: 2px; overflow: hidden; }
.education-item { border-radius: 2px; }
.education .section-title, .vision .section-title { margin-bottom: 28px; }

/* Project experience */
.experience-hero {
    position: relative;
    overflow: hidden;
    padding-block: 0;
    background: radial-gradient(ellipse at 82% 12%, rgba(89, 118, 98, .34), transparent 38%), var(--gradient-experience);
}
.experience-hero::after {
    position: absolute;
    right: max(4vw, calc((100vw - 1180px) / 2));
    bottom: -100px;
    color: rgba(244, 241, 233, .045);
    content: "01";
    font: 800 clamp(220px, 34vw, 440px)/.8 "Manrope", sans-serif;
    letter-spacing: -.1em;
    pointer-events: none;
}
.experience-hero .md-container { position: relative; z-index: 1; max-width: 1180px; padding-inline: 32px; }
.experience-hero .md-page-title {
    display: grid;
    max-width: none;
    grid-template-columns: minmax(0, 1.1fr) minmax(280px, .62fr);
    align-items: end;
    gap: clamp(32px, 7vw, 100px);
    margin: 0;
    padding-block: clamp(54px, 7.5vw, 92px);
    text-align: left;
}
.experience-hero h1 { max-width: 680px; margin: 0; color: #f4f1e9 !important; font-size: clamp(44px, 6.5vw, 78px); line-height: 1.04; letter-spacing: -.075em; }
.experience-hero p { max-width: 460px; margin: 0 0 7px; color: #d2d8d0 !important; font-size: 13px; line-height: 2; }
.projects-section { background: var(--background-color); }
.ai-focus-section { background: var(--surface-variant); }
.ai-focus-kicker { margin: 0 0 14px; color: var(--primary-color); font: 9px "DM Mono", monospace; letter-spacing: .14em; }
.ai-focus-title { margin: 0 0 25px; color: var(--text-primary); font-size: clamp(28px, 4vw, 40px); letter-spacing: -.05em; }
.ai-focus-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.ai-focus-card { position: relative; display: flex; flex-direction: column; min-height: 250px; padding: clamp(20px, 2.4vw, 30px); border: 1px solid color-mix(in srgb, var(--border-color) 75%, transparent); background: var(--surface-color); transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease; }
.ai-focus-card:hover { transform: translateY(-3px); border-color: var(--primary-color); box-shadow: var(--shadow-medium); }
.ai-focus-card-primary { border-color: var(--secondary-color); background: var(--secondary-color); }
.ai-focus-meta { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 7px; color: var(--text-muted); font: 8px "DM Mono", monospace; letter-spacing: .05em; }
.ai-focus-card-primary .ai-focus-meta { color: #c1ccc2; }
.ai-focus-card h3 { margin: 28px 0 10px; color: var(--text-primary); font-size: clamp(17px, 1.8vw, 21px); letter-spacing: -.04em; }
.ai-focus-card-primary h3 { color: #f4f1e9; }
.ai-focus-card p { max-width: 660px; margin: 0; color: var(--text-secondary); font-size: 11px; line-height: 1.9; }
.ai-focus-card-primary p { color: #d2d8d0; }
.ai-focus-result { display: flex; flex-direction: column; gap: 4px; margin-top: auto; padding-top: 20px; }
.ai-focus-result strong { color: var(--primary-color); font-size: 23px; letter-spacing: -.04em; }
.ai-focus-card-primary .ai-focus-result strong { color: #e18a66; }
.ai-focus-result span, .ai-focus-note { color: var(--text-muted); font-size: 9px; }
.ai-focus-card-primary .ai-focus-result span { color: #c1ccc2; }
.ai-focus-card .md-card-action { margin-top: 20px; }
.ai-focus-card-primary .md-card-action { color: #f4f1e9; }
.ai-focus-note { margin: 16px 0 0; line-height: 1.7; }
.projects-section .md-container { max-width: 1180px; padding-inline: 32px; }
.md-section-title { margin-bottom: 26px; color: var(--text-primary); font-size: 28px; letter-spacing: -.04em; }
.projects-section .md-section-title { margin-bottom: 30px; text-align: left; }
.projects-section .md-section-title h2 { margin: 0; font-size: clamp(25px, 3.4vw, 36px); letter-spacing: -.05em; }
.md-row { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; margin: 0; }
.md-row > [class*="md-col-"] { width: auto; margin: 0 !important; padding: 0; }
.md-card { height: auto; margin: 0; overflow: hidden; border: 1px solid var(--border-color); border-radius: 2px; background: var(--surface-color); box-shadow: none; }
.md-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-medium); }
.md-card-media { height: 195px; background: var(--surface-variant); }
.md-card-media::after { content: ""; position: absolute; z-index: 2; inset: 45% 0 0; background: linear-gradient(transparent, rgba(24,35,31,.18)); }
.md-card-media img { transition: transform .5s ease; }
.md-card:hover .md-card-media img { transform: scale(1.025); }
.md-card-content { padding: 22px; }
.md-card-meta { flex-wrap: wrap; gap: 8px 12px; margin-bottom: 13px; }
.md-card-date, .md-card-role { color: var(--text-muted); font-size: 10px; }
.md-card-date i, .md-card-role i { color: var(--primary-color); }
.md-card-category { padding: 4px 8px; border-radius: 2px; background: var(--surface-variant); color: var(--secondary-color); font-size: 9px; }
.md-card-amount { color: var(--text-secondary); font-size: 10px; }
.md-card-title { margin-bottom: 10px; color: var(--text-primary); font-size: 20px; letter-spacing: -.035em; }
.md-card-excerpt { color: var(--text-secondary); font-size: 11px; line-height: 1.85; }
.md-card-highlights { margin-top: 17px; padding-top: 16px; border-top: 1px solid var(--border-color); }
.md-highlight-grid { gap: 16px; }
.md-highlight-item h4 { color: var(--text-primary); font-size: 11px; }
.md-highlight-item li { color: var(--text-secondary); font-size: 10px; line-height: 1.8; }
.md-highlight-number { color: var(--primary-color); font-weight: 700; }
.md-card-tags { gap: 6px; margin-top: 17px; }
.md-tag { padding: 5px 8px; border: 1px solid var(--border-color); border-radius: 2px; background: transparent; color: var(--text-secondary); font-size: 9px; }
.md-card-action { margin-top: 16px; color: var(--text-primary); font-size: 11px; font-weight: 700; }
.md-card-action:hover { color: var(--primary-color); }

/* Articles */
.articles-hero { background: var(--gradient-articles); }
.articles-hero .hero-content { max-width: 740px; padding-block: 28px; }
.articles-hero .hero-title, .contact-hero .hero-title { color: var(--text-primary); font-size: clamp(40px, 5vw, 62px); }
.articles-hero .hero-subtitle, .contact-hero .hero-subtitle { max-width: 640px; color: var(--text-secondary); font-size: 14px; line-height: 1.9; }
.articles-grid-section { background: var(--background-color); }
.articles-grid { grid-template-columns: minmax(0, 760px); justify-content: start; }
.article-card { overflow: hidden; border: 1px solid var(--border-color); border-radius: 2px; background: var(--surface-color); box-shadow: none; }
.article-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-medium); }
.article-image { height: 245px; background: var(--surface-variant); }
.article-image img { width: 100%; height: 100%; object-fit: cover; }
.article-placeholder { position: relative; background: linear-gradient(135deg, rgba(38,58,50,.15), rgba(212,91,53,.18)); }
.article-placeholder::before { content: none; }
.article-content { padding: 25px; }
.article-meta { color: var(--text-muted); font: 10px "DM Mono", monospace; }
.article-category { color: var(--primary-color); }
.article-title { color: var(--text-primary); font-size: 23px; letter-spacing: -.04em; }
.article-excerpt { color: var(--text-secondary); font-size: 12px; line-height: 1.9; }
.tag { border: 1px solid var(--border-color); border-radius: 2px; background: transparent; color: var(--text-secondary); font-size: 9px; }
.read-more { color: var(--text-primary); font-size: 11px; }
.pagination { display: none; }

/* Contact */
.contact-hero { background: var(--gradient-contact); }
.contact-hero .hero-content { max-width: 760px; padding-block: 30px; }
.quick-contact, .additional-info, .social-section { background: var(--background-color); }
.quick-contact-grid, .info-grid, .social-grid { gap: 14px; }
.contact-card, .info-card, .social-card { border: 1px solid var(--border-color); border-radius: 2px; background: var(--surface-color); box-shadow: none; }
.contact-card { padding: 25px; }
.contact-card:hover, .info-card:hover, .social-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-medium); }
.contact-icon, .info-icon, .social-icon { color: var(--primary-color); }
.contact-card h3, .info-card h3, .social-card h3 { color: var(--text-primary); font-size: 15px; }
.contact-value, .contact-note, .info-card p, .social-card p { color: var(--text-secondary); font-size: 11px; }
.contact-value { overflow-wrap: anywhere; }

/* Article reading */
.article-detail-section { background: var(--background-color); }
.article-detail-container { max-width: 790px; padding: 35px 0; }
.back-to-articles { display: inline-flex; gap: 9px; align-items: center; margin-bottom: 32px; color: var(--text-secondary); font-size: 11px; font-weight: 600; }
.back-to-articles:hover { color: var(--primary-color); }
.article-detail { padding: clamp(24px, 5vw, 56px); border: 1px solid var(--border-color); background: var(--surface-color); }
.article-detail-meta { justify-content: flex-start; gap: 13px; }
.article-detail-date { color: var(--text-muted); font: 10px "DM Mono", monospace; }
.article-detail-category { border-radius: 2px; background: var(--surface-variant); color: var(--primary-color); }
.article-detail-title { color: var(--text-primary); font-size: clamp(34px, 5vw, 52px); letter-spacing: -.06em; }
.article-detail-tag { border: 1px solid var(--border-color); border-radius: 2px; background: transparent; color: var(--text-secondary); }
.article-detail-content { color: var(--text-primary); font-family: "PingFang SC", "Microsoft YaHei", sans-serif; font-size: 15px; line-height: 2.05; }
.article-detail-content h1 { margin: 48px 0 18px; color: var(--text-primary); font-size: clamp(23px, 3.7vw, 32px); line-height: 1.45; letter-spacing: -.045em; }
.article-detail-content h1::after { background: var(--primary-color); }
.article-detail-content p { margin: 0 0 17px; color: var(--text-secondary); }
.article-detail-content strong { color: var(--text-primary); }
.article-intro, .highlight-block, .quote-block { border-left: 3px solid var(--primary-color); border-radius: 0; background: var(--surface-variant); color: var(--text-primary); box-shadow: none; }
.article-intro { padding: 22px 24px; }
.article-intro p, .highlight-block p, .quote-block p { color: var(--text-primary); }
.article-intro::before { color: rgba(212,91,53,.12); }
.keyword-highlight { background: rgba(212,91,53,.12); color: #a84225; }
.article-divider { margin: 38px 0; background: var(--border-color); }
.article-navigation { gap: 14px; margin-top: 20px; }
.article-nav-link { flex: 1; border: 1px solid var(--border-color); border-radius: 2px; background: var(--surface-color); color: var(--text-primary); }
.article-nav-link:hover { border-color: var(--primary-color); color: var(--primary-color); }

.footer { padding-block: 38px; background: var(--secondary-color); color: #f4f1e9; }
.footer .container { max-width: 1180px; }
.footer-section h3, .footer-section h4, .footer-title, .footer-subtitle { color: #f4f1e9; }
.footer-section p, .footer-text { color: #c5cec5; font-size: 11px; line-height: 1.8; }
.footer-links a, .social-link { color: #d4dbd2; }
.footer-links a:hover, .social-link:hover { color: #e18a66; }
.footer-bottom { border-color: rgba(255,255,255,.18); color: #aeb9af; }

@media (max-width: 900px) {
    .career-item { grid-template-columns: 150px minmax(0, 1fr) 170px; gap: 18px; }
    .career-company-logo { max-width: 82px; height: 28px; }
    .career-logo-cainiao { max-width: 50px; }
    .career-logo-taobao { max-width: 60px; }
    .career-logo-shanghai { max-width: 78px; }
    .career-logo-michelin { width: 112px; max-width: 112px; height: auto; }
    .career-logo-dell { width: 84px; }
    .career-logo-alibaba { width: 64px; }
    .experience-hero .md-container { padding-inline: 24px; }
    .experience-hero .md-page-title { grid-template-columns: minmax(0, 1fr) minmax(240px, .8fr); gap: 30px; }
    .projects-section .md-container { padding-inline: 24px; }
    .md-row { grid-template-columns: 1fr; }
    .ai-focus-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .ai-focus-card { min-height: 260px; }
    .md-card-media { height: 230px; }
    .main-content { padding-top: 68px; }
}
@media (max-width: 680px) {
    .nav-container { height: 68px; padding-inline: 20px; }
    .nav-menu { gap: 16px; }
    .nav-link { font-size: 10px; }
    .nav-controls { gap: 8px; }
    .main-content { padding-top: 68px; }
    .section { padding-block: 55px; }
    .experience-hero .md-container { padding-inline: 21px; }
    .experience-hero .md-page-title { grid-template-columns: 1fr; align-items: start; gap: 17px; padding-block: 47px 43px; }
    .experience-hero h1 { max-width: 520px; font-size: clamp(43px, 12vw, 62px); }
    .experience-hero p { max-width: 540px; margin: 0; font-size: 12px; line-height: 1.85; }
    .experience-hero::after { right: -18px; bottom: -35px; font-size: 210px; }
    .ai-focus-section.section { padding-block: 43px; }
    .ai-focus-kicker { margin-bottom: 10px; font-size: 8px; }
    .ai-focus-title { margin-bottom: 19px; font-size: 29px; }
    .ai-focus-grid { grid-template-columns: 1fr; gap: 10px; }
    .ai-focus-card { min-height: 0; padding: 20px; }
    .ai-focus-card h3 { margin-top: 21px; }
    .ai-focus-result { padding-top: 16px; }
    .projects-section .md-section-title { margin-bottom: 20px; }
    .about-hero-content { flex-direction: column-reverse; align-items: flex-start; }
    .about-image { width: min(76%, 320px); }
    .career-intro { text-align: left; }
    .career-item { grid-template-columns: 1fr; gap: 7px; }
    .career-heading { gap: 10px; }
    .career-timeline .section-title { font-size: clamp(29px, 8vw, 38px); }
    .career-intro { font-size: 12px; }
    .career-list { margin-top: 24px; }
    .career-item { padding: 18px 0; }
    .career-date { font-size: 10px; }
    .career-company-logo { max-width: 78px; height: 25px; }
    .career-logo-cainiao { max-width: 45px; }
    .career-logo-taobao { max-width: 54px; }
    .career-logo-shanghai { max-width: 72px; }
    .career-company-logos { gap: 9px; }
    .career-logo-michelin { width: 92px; max-width: 92px; height: auto; }
    .career-logo-dell { width: 82px; }
    .career-logo-alibaba { width: 60px; }
    .career-item h3 { font-size: 14px; }
    .career-item p { font-size: 12px; }
    .career-tag { padding: 5px 7px; font-size: 8px; }
    .career-tags { justify-self: start; }
    .skills-categories { grid-template-columns: 1fr; }
    .projects-section .md-container { padding-inline: 16px; }
    .md-card-content { padding: 18px; }
    .md-highlight-grid { grid-template-columns: 1fr; }
    .article-detail-container { padding: 22px 16px; }
    .article-detail { padding: 23px 19px; }
    .article-detail-content { font-size: 14px; }
    .footer-content { gap: 28px; }
}
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; transition-duration: .01ms !important; }
}

/* Career profile: compact, evidence-led AI practice and credentials. */
.profile-practice-grid { display: grid; grid-template-columns: 1.2fr .8fr; gap: 14px; }
.profile-practice-card { padding: 28px; border: 1px solid var(--border-color); background: var(--surface-color); }
.profile-practice-card h3 { margin: 0 0 12px; color: var(--text-primary); font-size: 21px; letter-spacing: -.035em; }
.profile-practice-card > p:not(.career-kicker) { max-width: 620px; margin: 0; color: var(--text-secondary); font-size: 13px; line-height: 1.85; }
.profile-practice-card .career-kicker { margin-bottom: 20px; }
.profile-chips { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 20px; }
.profile-chips span { padding: 7px 10px; border: 1px solid var(--border-color); color: var(--text-secondary); font-size: 11px; }
@media (max-width: 680px) { .profile-practice-grid { grid-template-columns: 1fr; } }

/* About: quieter editorial cards with small Lucide line icons. */
.expertise-areas {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0;
    margin-top: 32px;
    border-block: 1px solid var(--border-color);
    background: var(--surface-color);
}
.area-item {
    display: flex;
    min-height: 300px;
    flex-direction: column;
    padding: 25px 27px 22px;
    border: 0;
    border-right: 1px solid var(--border-color);
    background: transparent;
    box-shadow: none;
    transition: background-color .2s ease, transform .2s ease;
}
.area-item:last-child { border-right: 0; }
.area-item::before { display: none; }
.area-item:hover { transform: translateY(-2px); background: color-mix(in srgb, var(--surface-variant) 42%, transparent); box-shadow: none; }
.area-card-top { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 26px; }
.area-index, .vision-index { color: var(--text-muted); font: 9px "DM Mono", monospace; letter-spacing: .08em; }
.area-icon {
    display: grid;
    width: 44px;
    height: 44px;
    flex: 0 0 44px;
    place-items: center;
    margin: 0;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    background: var(--background-color);
    box-shadow: none;
    color: var(--primary-color);
}
.area-icon svg, .vision-icon svg { display: block; width: 21px; height: 21px; }
.area-title { margin: 0 0 10px; font-size: 20px; line-height: 1.35; letter-spacing: -.04em; }
.area-description { margin: 0; font-size: 12px; line-height: 1.9; font-weight: 400; }
.area-skills { gap: 6px; margin-top: auto; padding-top: 22px; }
.skill-tag { padding: 6px 8px; border-radius: 2px; background: transparent; font-size: 10px; line-height: 1.3; transition: border-color .18s ease, color .18s ease; }
.skill-tag:hover { transform: none; border-color: var(--primary-color); background: transparent; color: var(--primary-color); }

.vision-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; margin-top: 28px; }
.vision-item {
    min-height: 220px;
    padding: 22px 23px 24px;
    border: 1px solid var(--border-color);
    border-radius: 2px;
    background: var(--surface-color);
    box-shadow: none;
    text-align: left;
    transition: border-color .2s ease, transform .2s ease, background-color .2s ease;
}
.vision-item::before { display: none; }
.vision-item:hover { transform: translateY(-3px); border-color: color-mix(in srgb, var(--primary-color) 55%, var(--border-color)); background: var(--surface-color); box-shadow: none; }
.vision-item-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 24px; }
.vision-icon {
    display: grid;
    width: 42px;
    height: 42px;
    flex: 0 0 42px;
    place-items: center;
    margin: 0;
    border: 1px solid var(--border-color);
    border-radius: 50%;
    background: var(--background-color);
    box-shadow: none;
    color: var(--primary-color);
    transition: none;
}
.vision-item:hover .vision-icon { transform: none; box-shadow: none; }
.vision-title { margin: 0 0 9px; font-size: 18px; line-height: 1.4; letter-spacing: -.035em; text-align: left; }
.vision-description { margin: 0; font-size: 12px; line-height: 1.9; text-align: left; }

@media (max-width: 900px) {
    .area-item { min-height: 320px; padding-inline: 20px; }
    .area-title { font-size: 18px; }
    .area-description { font-size: 11px; }
    .vision-item { min-height: 230px; padding-inline: 18px; }
}
@media (max-width: 780px) {
    .expertise-areas, .vision-grid { grid-template-columns: 1fr; }
    .area-item { min-height: 0; padding: 23px 20px; border-right: 0; border-bottom: 1px solid var(--border-color); }
    .area-item:last-child { border-bottom: 0; }
    .area-card-top { margin-bottom: 18px; }
    .area-skills { margin-top: 0; padding-top: 18px; }
    .vision-item { min-height: 0; padding: 20px; }
    .vision-item-head { margin-bottom: 18px; }
}

/* Articles and contact pages: compact editorial layouts with clear next steps. */
.articles-hero, .contact-hero { padding: 72px 0 44px; background: var(--background-color); text-align: left; }
.articles-heading, .contact-heading { display: grid; grid-template-columns: minmax(0, 1fr) minmax(260px, .55fr); align-items: end; gap: clamp(30px, 7vw, 90px); }
.page-kicker { margin: 0 0 18px; color: var(--text-muted); font: 9px "DM Mono", monospace; letter-spacing: .14em; }
.articles-hero .hero-title, .contact-hero .hero-title { max-width: 760px; margin: 0; font-size: clamp(39px, 5.4vw, 64px); line-height: 1.12; white-space: normal; overflow: visible; text-overflow: clip; }
.articles-hero .hero-title em, .contact-hero .hero-title em { color: var(--primary-color); font-family: Georgia, "Songti SC", serif; font-weight: 400; }
.articles-hero .hero-title em { display: block; }
.articles-hero .hero-subtitle, .contact-hero .hero-subtitle { max-width: 420px; margin: 0 0 5px; font-size: 13px; line-height: 1.95; }
.articles-grid-section { padding-top: 28px; }
.articles-grid-section .container { max-width: 1180px; }
.articles-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; margin: 0; }
.article-featured { grid-column: 1 / -1; display: grid; grid-template-columns: minmax(220px, .62fr) minmax(0, 1fr); min-height: 230px; }
.article-featured .article-image { position: relative; height: 100%; min-height: 230px; }
.article-featured .article-placeholder { width: 100%; height: 100%; }
.article-featured .article-image img { display: block; }
.article-image-label { position: absolute; left: 16px; bottom: 16px; padding: 8px 10px; background: rgba(24,35,31,.88); color: #f4f1e9; font: 8px "DM Mono", monospace; letter-spacing: .1em; }
.article-featured .article-content { justify-content: center; padding: 22px clamp(22px, 3vw, 38px); }
.article-featured .article-meta { justify-content: flex-start; gap: 12px; margin-bottom: 13px; }
.article-featured .article-category { padding: 0; background: none; }
.article-featured .article-title { margin: 0 0 10px; font-size: clamp(23px, 2.5vw, 29px); line-height: 1.3; }
.article-featured .article-excerpt { max-width: 500px; }
.article-featured .article-tags { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 12px; }
.article-featured .tag { padding: 4px 7px; }
.article-featured .read-more { display: inline-flex; align-items: center; gap: 10px; align-self: flex-start; margin-top: 14px; }
.article-featured .read-more span { color: var(--primary-color); font-size: 16px; }
.articles-grid > .article-card:not(.article-featured) .article-image { height: 150px; }
.articles-grid > .article-card:not(.article-featured) .article-content { padding: 18px; }
.articles-grid > .article-card:not(.article-featured) .article-title { margin: 8px 0; font-size: 18px; line-height: 1.4; }
.articles-grid > .article-card:not(.article-featured) .article-excerpt { display: -webkit-box; overflow: hidden; -webkit-box-orient: vertical; -webkit-line-clamp: 3; }
.quick-contact.section { padding-top: 25px; }
.contact-heading-aside { padding-left: 25px; border-left: 1px solid var(--border-color); }
.contact-primary-link { display: inline-flex; align-items: center; gap: 14px; margin-top: 17px; padding: 12px 15px; background: var(--secondary-color); color: #f4f1e9; font-size: 11px; font-weight: 700; text-decoration: none; }
.contact-primary-link span { color: #e18a66; }
.contact-primary-link:hover { background: var(--primary-color); }
.quick-contact-grid { grid-template-columns: 1.25fr 1fr 1fr; margin-top: 0; }
.contact-card { position: relative; min-height: 202px; padding: 22px; text-align: left; }
.contact-card-primary { background: var(--secondary-color); color: #f4f1e9; }
.contact-icon { display: grid; width: 33px; height: 33px; place-items: center; margin: 0 0 20px; border: 1px solid currentColor; background: transparent; }
.contact-card .contact-icon i { color: var(--primary-color); font-size: 13px; }
.contact-card-primary .contact-icon i { color: #e18a66; }
.contact-card-kicker { margin: 0 0 7px; color: var(--text-muted); font: 8px "DM Mono", monospace; letter-spacing: .12em; }
.contact-card-primary .contact-card-kicker { color: #bac4bc; }
.contact-card h3 { margin: 0 0 8px; font-size: 16px; }
.contact-card-primary h3 { color: #f4f1e9; }
.contact-value { display: inline-block; margin: 0; color: var(--text-primary); font-size: 12px; font-weight: 700; }
.contact-card-primary .contact-value { color: #f4f1e9; }
.contact-note { margin: 8px 0 0; font-size: 10px; }
.contact-card-primary .contact-note { color: #bac4bc; }
.additional-info.section { padding-top: 8px; }
.info-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); margin-top: 0; border-block: 1px solid var(--border-color); }
.info-card { display: grid; grid-template-columns: 32px 1fr; gap: 4px 13px; align-items: baseline; padding: 19px 17px; border: 0; border-right: 1px solid var(--border-color); background: transparent; text-align: left; }
.info-card:last-child { border-right: 0; }
.info-index { grid-row: span 2; color: var(--primary-color); font: 9px "DM Mono", monospace; }
.info-card h3 { margin: 0; font-size: 12px; }
.info-card p { margin: 0; font-size: 10px; line-height: 1.6; }
.info-card:hover { transform: none; box-shadow: none; }
@media (max-width: 760px) {
    .articles-heading, .contact-heading { grid-template-columns: 1fr; gap: 18px; }
    .articles-hero, .contact-hero { padding: 50px 0 30px; }
    .contact-heading-aside { padding: 0; border-left: 0; }
    .articles-grid { grid-template-columns: 1fr; gap: 12px; }
    .article-featured { grid-template-columns: minmax(180px, .8fr) minmax(0, 1fr); min-height: 200px; }
    .article-featured .article-image { min-height: 200px; height: 100%; }
    .article-featured .article-content { padding: 18px; }
    .quick-contact-grid { grid-template-columns: 1fr; }
    .contact-card { min-height: 0; }
    .info-grid { grid-template-columns: 1fr; }
    .info-card { border-right: 0; border-bottom: 1px solid var(--border-color); }
    .info-card:last-child { border-bottom: 0; }
}

@media (max-width: 540px) {
    .article-featured { grid-template-columns: 1fr; }
    .article-featured .article-image { min-height: 190px; height: 190px; }
    .article-featured .article-content { padding: 18px; }
}

/* Compact, equal-weight article cards scale cleanly as the archive grows. */
.articles-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); align-items: stretch; }
.articles-grid > .article-card { display: flex; min-width: 0; flex-direction: column; }
.articles-grid > .article-card .article-image { position: relative; display: block; height: auto; aspect-ratio: 16 / 9; }
.articles-grid > .article-card .article-placeholder { width: 100%; height: 100%; border-radius: 0; box-shadow: none; backdrop-filter: none; }
.articles-grid > .article-card .article-image img { display: block; width: 100%; height: 100%; object-fit: cover; }
.articles-grid > .article-card .article-image-contained .article-placeholder { display: grid; place-items: center; background: #eef4ff; }
.articles-grid > .article-card .article-image-contained img { object-fit: contain; }
.articles-grid > .article-card:hover { transform: translateY(-2px); }
.articles-grid > .article-card:hover .article-placeholder { transform: none; }
.articles-grid > .article-card .article-content { display: flex; flex: 1; flex-direction: column; align-items: flex-start; padding: 20px; }
.articles-grid > .article-card .article-meta { justify-content: flex-start; gap: 10px; margin-bottom: 10px; }
.articles-grid > .article-card .article-category { padding: 0; background: none; }
.articles-grid > .article-card .article-title { margin: 4px 0 8px; font-size: clamp(17px, 1.8vw, 21px); line-height: 1.45; }
.articles-grid > .article-card .article-excerpt { display: -webkit-box; overflow: hidden; -webkit-box-orient: vertical; -webkit-line-clamp: 3; }
.articles-grid > .article-card .article-tags { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 10px; }
.articles-grid > .article-card .tag { padding: 4px 7px; }
.articles-grid > .article-card .read-more { display: inline-flex; align-items: center; gap: 8px; margin-top: auto; padding-top: 14px; }
.articles-grid > .article-card .read-more span { color: var(--primary-color); }
@media (max-width: 760px) {
    .articles-grid { grid-template-columns: 1fr; }
}