/* Inner pages (video library, contact) + shared nav states.
   Loaded after the homepage layers; uses the logo palette from brand.css
   and the reading scale from readability.css. */
:root{
 --danger:#b42318;--danger-soft:#fdecea;--success:#0f7b4f;--success-soft:#e3f6ec;
 --card-border:#d6e3f8;--card-shadow:0 14px 40px #004bd60f;--card-shadow-hover:0 24px 56px #004bd624;
 --font-read:'Be Vietnam Pro',system-ui,sans-serif;
}

.visually-hidden{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}

/* ── Navigation: current page + fit for five links ───────────────────────── */
.desktop-nav a{position:relative;white-space:nowrap}
.desktop-nav a[aria-current=page]{color:var(--brand-blue)}
.desktop-nav a[aria-current=page]:after{content:"";position:absolute;left:0;right:0;bottom:-8px;height:2px;border-radius:2px;background:var(--brand-blue)}
.mobile-nav a[aria-current=page]{color:var(--brand-blue);font-weight:400}
@media(max-width:1150px) and (min-width:701px){.desktop-nav{gap:16px;font-size:13px}}
@media(max-width:900px) and (min-width:701px){.desktop-nav a:nth-child(2){display:none}}

/* ── Page hero ───────────────────────────────────────────────────────────── */
.page-hero{position:relative;overflow:hidden;isolation:isolate;padding:92px 0 84px;text-align:center;background:#fff}
.page-hero:before{content:"";position:absolute;inset:0;z-index:-2;background:
 radial-gradient(ellipse at 6% 105%,#42b8ff59 0,transparent 42%),
 radial-gradient(ellipse at 96% 100%,#00dfff40 0,transparent 42%),
 radial-gradient(ellipse at 50% 120%,#bad7ffa6 0,transparent 60%),
 linear-gradient(#fff 0%,#f4f8ff 45%,#e4efff 100%)}
.page-hero:after{content:"";position:absolute;z-index:-1;left:50%;top:58%;width:min(1180px,140vw);aspect-ratio:2.6;transform:translate(-50%,-10%);border:1px solid #9fbdeb66;border-radius:50%;pointer-events:none}
.page-kicker{display:inline-flex;align-items:center;gap:10px;padding:8px 16px;border:1px solid #c8d9f3;border-radius:40px;background:#fff;font-size:var(--text-meta);letter-spacing:.7px;line-height:1.6;color:var(--brand-secondary);text-transform:uppercase}
.page-kicker .live-dot{width:6px;height:6px;border-radius:50%;display:inline-block}
.page-hero h1{margin:26px auto 0;max-width:1080px;padding-inline:20px;font-size:clamp(44px,5.4vw,82px);line-height:1.2;color:var(--brand-ink)}
.page-hero h1 .blue{color:var(--brand-blue)}
.page-hero .page-lead{margin:24px auto 0;max-width:640px;padding-inline:20px;font-size:var(--text-body);font-weight:300;line-height:var(--reading-leading)}
.page-hero-note{display:inline-flex;flex-wrap:wrap;justify-content:center;align-items:center;gap:6px 10px;margin-top:22px;font-size:var(--text-small);color:var(--brand-text)}
.page-hero-note svg{width:15px;height:15px;color:var(--brand-blue)}

/* ── Video library ───────────────────────────────────────────────────────── */
.video-section{padding:72px 0 116px}
.video-toolbar{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:36px}
.video-count{font-size:var(--text-small);color:var(--brand-secondary)}
.video-count strong{color:var(--brand-ink);font-weight:400}
.search-field{position:relative;width:min(380px,100%)}
.search-field svg{position:absolute;left:18px;top:50%;width:17px;height:17px;transform:translateY(-50%);color:var(--brand-secondary);pointer-events:none}
.search-field input{width:100%;min-height:50px;margin:0;padding:12px 18px 12px 46px;border:1px solid var(--card-border);border-radius:40px;background:#fff;font-size:var(--text-body);color:var(--brand-ink);box-shadow:0 4px 14px #004bd60a;transition:border-color .2s,box-shadow .2s}
.search-field input:focus{outline:none;border-color:var(--brand-blue);box-shadow:0 0 0 4px #004bd61a}
.search-field input::placeholder{color:#6f84a3}

.video-feature{display:grid;grid-template-columns:minmax(0,1.4fr) minmax(0,1fr);margin-bottom:36px;border:1px solid var(--card-border);border-radius:28px;overflow:hidden;background:#fff;box-shadow:var(--card-shadow);transition:box-shadow .24s,border-color .24s,transform .24s}
.video-feature:hover{box-shadow:var(--card-shadow-hover);border-color:#8cb5ee;transform:translateY(-3px)}
.video-feature .video-thumb{aspect-ratio:16/9;height:100%}
.video-feature-body{display:flex;flex-direction:column;align-items:flex-start;gap:18px;padding:44px 42px}
.video-feature-body .pill{font-size:var(--text-meta);letter-spacing:.7px;padding:7px 13px;border:1px solid #b6cbf0;border-radius:30px}
.video-feature-body h2{font-family:var(--font-read);text-transform:none;letter-spacing:normal;font-weight:600;font-size:clamp(20px,2vw,26px);line-height:1.45;color:var(--brand-ink)}
.video-feature-body p{font-size:var(--text-body);font-weight:300;line-height:var(--reading-leading);display:-webkit-box;-webkit-line-clamp:4;-webkit-box-orient:vertical;overflow:hidden}
.video-feature-body .video-meta{margin-top:auto}
.video-feature-body .button{margin-top:6px}

.video-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:28px}
.video-card{display:flex;flex-direction:column;border:1px solid var(--card-border);border-radius:22px;overflow:hidden;background:#fff;box-shadow:var(--card-shadow);transition:transform .24s,box-shadow .24s,border-color .24s}
a.video-card:hover,a.video-card:focus-visible{transform:translateY(-4px);box-shadow:var(--card-shadow-hover);border-color:#8cb5ee}
a.video-card:focus-visible,a.video-feature:focus-visible{outline:3px solid var(--brand-blue);outline-offset:3px}
.video-thumb{position:relative;display:block;aspect-ratio:16/9;overflow:hidden;background:linear-gradient(135deg,var(--brand-navy),var(--brand-blue) 70%,#1c8cff)}
.video-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .6s var(--ease)}
a:hover .video-thumb img{transform:scale(1.045)}
.video-thumb:after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 55%,#071b4840);pointer-events:none}
.video-thumb-fallback{position:absolute;inset:0;display:flex;align-items:flex-end;justify-content:flex-start;padding:16px 18px;font-family:var(--font-display);text-transform:uppercase;letter-spacing:.06em;font-size:15px;line-height:1.3;color:#ffffffb3}
.play-badge{position:absolute;z-index:2;left:50%;top:50%;display:flex;align-items:center;justify-content:center;width:64px;height:64px;border-radius:50%;transform:translate(-50%,-50%);background:#ffffffeb;color:var(--brand-blue);box-shadow:0 10px 30px #071b4840;transition:background .22s,color .22s,transform .22s}
.play-badge svg{width:24px;height:24px;margin-left:3px;fill:currentColor;stroke:currentColor;stroke-width:1}
a:hover .play-badge{background:var(--brand-blue);color:#fff;transform:translate(-50%,-50%) scale(1.06)}
.video-feature .play-badge{width:80px;height:80px}
.video-feature .play-badge svg{width:30px;height:30px}
.thumb-tag{position:absolute;z-index:2;top:14px;display:inline-flex;align-items:center;gap:6px;padding:5px 11px;border-radius:30px;font-size:11px;letter-spacing:.8px;line-height:1.6;text-transform:uppercase}
.thumb-tag svg{width:12px;height:12px}
.thumb-provider{left:14px;background:#071b48d9;color:#fff;backdrop-filter:blur(6px)}
.thumb-featured{right:14px;background:var(--brand-cyan);color:var(--brand-navy)}
.video-body{display:flex;flex-direction:column;flex:1;gap:10px;padding:22px 24px 24px}
.video-body h3{font-family:var(--font-read);text-transform:none;letter-spacing:normal;font-weight:600;font-size:16px;line-height:1.55;color:var(--brand-ink);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.video-body p{font-size:var(--text-body);font-weight:300;line-height:1.75;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.video-meta{display:flex;align-items:center;justify-content:space-between;gap:12px;width:100%;margin-top:auto;padding-top:14px;border-top:1px solid #e3ebf8;font-size:var(--text-meta);line-height:1.6;color:var(--brand-secondary)}
.video-meta>span:first-child{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.video-watch{display:inline-flex;align-items:center;gap:6px;flex-shrink:0;color:var(--brand-blue);font-size:13px}
.video-watch svg{width:14px;height:14px}
.video-feature .video-meta{border-top:0;padding-top:0}
.video-feature .video-watch{display:none}

/* Skeleton */
.video-card.is-skeleton{pointer-events:none;box-shadow:none}
.skeleton-block{display:block;border-radius:8px;background:linear-gradient(90deg,#e8effc 0%,#f5f8ff 50%,#e8effc 100%);background-size:200% 100%;animation:skeleton 1.4s ease-in-out infinite}
.is-skeleton .video-thumb{background:none}
.is-skeleton .video-thumb .skeleton-block{position:absolute;inset:0;border-radius:0}
.skeleton-line{height:14px}.skeleton-line.short{width:55%}
@keyframes skeleton{0%{background-position:200% 0}100%{background-position:-200% 0}}

.video-range{color:var(--brand-secondary)}
.video-pagination{display:flex;align-items:center;justify-content:center;gap:10px;margin-top:48px}
.video-pagination[hidden]{display:none}
.page-list{display:flex;align-items:center;gap:6px;margin:0;padding:0;list-style:none}
.page-link,.page-step{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-width:46px;height:46px;padding:0 14px;border:1px solid var(--card-border);border-radius:14px;background:#fff;font:inherit;font-size:var(--text-body);color:var(--brand-text);cursor:pointer;transition:border-color .2s,color .2s,background .2s,box-shadow .2s}
.page-link:hover,.page-step:not(:disabled):hover{border-color:var(--brand-blue);color:var(--brand-blue)}
.page-link:focus-visible,.page-step:focus-visible{outline:3px solid var(--brand-blue);outline-offset:2px}
.page-link.is-current{background:var(--brand-blue);border-color:var(--brand-blue);color:#fff;box-shadow:0 6px 18px #004bd633;cursor:default}
.page-step svg{width:16px;height:16px}
.page-step svg.flip{transform:rotate(180deg)}
.page-step:disabled{opacity:.45;cursor:not-allowed}
.page-gap{display:inline-flex;align-items:flex-end;justify-content:center;min-width:24px;height:46px;padding-bottom:10px;color:var(--brand-secondary)}

/* ── Shared state panel (empty / error / success) ────────────────────────── */
.state-panel{display:flex;flex-direction:column;align-items:center;text-align:center;gap:16px;padding:64px 28px;border:1px dashed #a9c2ea;border-radius:28px;background:linear-gradient(#fff,#f5f8ff)}
.state-icon{display:flex;align-items:center;justify-content:center;width:64px;height:64px;border-radius:50%;background:var(--brand-blue-soft);color:var(--brand-blue)}
.state-icon svg{width:26px;height:26px}
.state-panel h2,.state-panel h3{font-size:clamp(26px,2.6vw,34px);line-height:1.25;color:var(--brand-ink)}
.state-panel p{max-width:520px;font-size:var(--text-body);font-weight:300;line-height:var(--reading-leading)}
.state-actions{display:flex;flex-wrap:wrap;justify-content:center;gap:12px;margin-top:8px}
.state-panel.is-error .state-icon{background:var(--danger-soft);color:var(--danger)}
.state-panel.is-success{border-style:solid;border-color:#b9e3cc;background:linear-gradient(#fff,#f2fbf6)}
.state-panel.is-success .state-icon{background:var(--success-soft);color:var(--success)}

/* ── Contact page ────────────────────────────────────────────────────────── */
.contact-section{padding:72px 0 116px}
.contact-layout{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:56px;align-items:start}
.contact-aside{display:flex;flex-direction:column;gap:40px;position:sticky;top:32px}
.contact-aside h2{font-size:clamp(30px,3vw,42px);line-height:1.25;color:var(--brand-ink)}
.contact-aside h2 .blue{color:var(--brand-blue)}
.contact-aside>div>p{margin-top:16px;font-size:var(--text-body);font-weight:300;line-height:var(--reading-leading)}
.contact-topics{display:grid;gap:12px;margin:0;padding:0;list-style:none}
.contact-topics li{display:flex;gap:16px;align-items:flex-start;padding:16px 18px;border:1px solid var(--card-border);border-radius:16px;background:#fff}
.contact-topics .topic-icon{display:flex;align-items:center;justify-content:center;flex-shrink:0;width:40px;height:40px;border-radius:12px;background:var(--brand-blue-soft);color:var(--brand-blue)}
.contact-topics .topic-icon svg{width:19px;height:19px}
.contact-topics strong{display:block;font-weight:400;color:var(--brand-ink);font-size:var(--text-body);line-height:1.6}
.contact-topics span{display:block;font-size:var(--text-small);font-weight:300;line-height:1.7;color:var(--brand-text)}
.contact-steps{display:grid;gap:18px;margin:18px 0 0;padding:0;list-style:none;counter-reset:step}
.contact-steps li{position:relative;padding-left:48px;font-size:var(--text-body);font-weight:300;line-height:1.75;color:var(--brand-text);counter-increment:step}
.contact-steps li:before{content:counter(step,decimal-leading-zero);position:absolute;left:0;top:0;display:flex;align-items:center;justify-content:center;width:32px;height:32px;border-radius:50%;border:1px solid #b6cbf0;font-size:12px;color:var(--brand-blue);background:#fff}
.contact-steps strong{display:block;font-weight:400;color:var(--brand-ink)}
.mini-label{display:block;font-size:var(--text-meta);letter-spacing:1px;text-transform:uppercase;color:var(--brand-secondary)}
.duo-sign{display:flex;align-items:center;gap:14px}
.duo-sign img{width:48px;height:48px;border-radius:50%;object-fit:cover;border:2px solid #fff;box-shadow:0 4px 12px #004bd61f;background:var(--brand-blue-soft)}
.duo-sign img+img{margin-left:-24px}
.duo-sign span{font-size:var(--text-body);line-height:1.6;color:var(--brand-ink)}
.duo-sign small{display:block;font-size:var(--text-small);font-weight:300;color:var(--brand-secondary)}
.contact-channels{display:grid;gap:10px;margin:14px 0 0;padding:0;list-style:none}
.contact-channels a{display:flex;align-items:center;gap:12px;padding:12px 16px;border:1px solid var(--card-border);border-radius:14px;background:#fff;color:var(--brand-ink);transition:border-color .2s,color .2s}
.contact-channels a:hover{border-color:var(--brand-blue);color:var(--brand-blue)}
.contact-channels svg{width:18px;height:18px;color:var(--brand-blue)}

.contact-card{border:1px solid #cddcf5;border-radius:28px;overflow:hidden;background:#fff;box-shadow:0 26px 64px #004bd614}
.contact-card-top{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:18px 26px;border-bottom:1px solid #e3ebf8;background:var(--brand-paper)}
.contact-card-top>span{font-size:var(--text-meta);letter-spacing:1px;color:var(--brand-secondary)}
.contact-card-top .window-dots{display:flex;gap:6px}
.contact-card-top .window-dots i{width:9px;height:9px;border-radius:50%}
.contact-card-top>svg{width:16px;height:16px;color:var(--brand-blue)}
.contact-form{display:grid;gap:22px;padding:32px 32px 30px}
.contact-success{padding:32px}
.contact-success .state-panel{border:0;background:none;padding:40px 8px}

/* Form fields (scoped to override the workshop's global label/input rules) */
.field{display:grid;gap:8px;min-width:0}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.field>label,.field>.field-label{position:static;display:flex;align-items:baseline;justify-content:space-between;gap:10px;margin:0;padding:0;border:0;background:none;backdrop-filter:none;min-width:0;font-size:var(--text-body);font-weight:400;line-height:1.6;letter-spacing:normal;color:var(--brand-ink)}
.field-label small,.field>label small{font-size:var(--text-meta);font-weight:300;color:var(--brand-secondary)}
.req{color:var(--brand-blue)}
.field input,.field textarea,.field select{width:100%;min-height:50px;margin:0;padding:12px 15px;border:1px solid #bccfee;border-radius:12px;background:#fff;color:var(--brand-ink);font-family:var(--font-read);font-size:var(--text-body);font-weight:300;line-height:1.7;transition:border-color .2s,box-shadow .2s}
.field textarea{min-height:168px;resize:vertical;background:#fff}
.field input::placeholder,.field textarea::placeholder{color:#7085a3}
.field input:focus,.field textarea:focus,.field select:focus{outline:none;border-color:var(--brand-blue);box-shadow:0 0 0 4px #004bd61a}
.field.has-error input,.field.has-error textarea{border-color:var(--danger);box-shadow:0 0 0 3px #b4231814}
.field-error{min-height:0;font-size:13px;line-height:1.6;color:var(--danger)}
.field-error:empty{display:none}
.field-hint{font-size:var(--text-meta);line-height:1.6;color:var(--brand-secondary)}
.field-footer{display:flex;justify-content:space-between;gap:12px}
.char-count{margin-left:auto;white-space:nowrap;flex-shrink:0;font-size:var(--text-meta);color:var(--brand-secondary);font-variant-numeric:tabular-nums}
.chip-group{display:flex;flex-wrap:wrap;gap:10px;margin:0;padding:0;border:0}
.chip-group legend{padding:0;margin-bottom:10px;font-size:var(--text-body);font-weight:400;color:var(--brand-ink)}
.chip{position:relative}
.chip input{position:absolute;opacity:0;width:1px;height:1px;min-height:0;pointer-events:none}
.chip>label{position:static;display:inline-flex;align-items:center;gap:8px;min-height:44px;margin:0;padding:10px 16px;border:1px solid #bccfee;border-radius:40px;background:#fff;backdrop-filter:none;min-width:0;font-size:var(--text-body);font-weight:300;line-height:1.4;color:var(--brand-text);cursor:pointer;transition:border-color .2s,background .2s,color .2s}
.chip>label svg{width:16px;height:16px}
.chip>label:hover{border-color:var(--brand-blue);color:var(--brand-blue)}
.chip input:checked+label{border-color:var(--brand-blue);background:var(--brand-blue-soft);color:var(--brand-blue);font-weight:400}
.chip input:focus-visible+label{outline:3px solid var(--brand-blue);outline-offset:2px}
.hp-field{position:absolute!important;left:-10000px!important;width:1px;height:1px;overflow:hidden}
.form-alert{display:flex;gap:12px;align-items:flex-start;padding:14px 16px;border-radius:14px;background:var(--danger-soft);color:var(--danger);font-size:var(--text-body);line-height:1.6}
.form-alert svg{width:18px;height:18px;margin-top:2px}
.form-alert[hidden]{display:none}
.form-actions{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px;padding-top:4px}
.form-note{display:flex;align-items:center;gap:8px;max-width:330px;font-size:var(--text-meta);line-height:1.6;color:var(--brand-secondary)}
.form-note svg{width:15px;height:15px;color:var(--brand-blue)}
.button[aria-busy=true]{opacity:.75;pointer-events:none}
.button .spinner{width:16px;height:16px;border-radius:50%;border:2px solid #ffffff66;border-top-color:#fff;animation:spin .8s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}

/* ── Responsive ──────────────────────────────────────────────────────────── */
@media(max-width:1100px){
 .video-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
 .video-feature{grid-template-columns:1fr}
 .video-feature .video-thumb{height:auto}
 .contact-layout{grid-template-columns:1fr;gap:44px}
 .contact-aside{position:static}
}
@media(max-width:700px){
 .page-hero{padding:64px 0 60px}
 .page-hero h1{font-size:clamp(36px,10vw,52px)}
 .video-section,.contact-section{padding:48px 0 80px}
 .video-toolbar{flex-direction:column-reverse;align-items:stretch;gap:14px;margin-bottom:26px}
 .search-field{width:100%}
 .video-grid{grid-template-columns:1fr;gap:22px}
 .video-pagination{gap:6px;margin-top:36px}
 .page-step span{display:none}
 .page-link,.page-step{min-width:42px;height:42px;padding:0 10px}
 .video-feature-body{padding:26px 22px 28px}
 .video-feature .button{width:100%}
 .contact-form{padding:24px 20px}
 .contact-success{padding:16px}
 .field-row{grid-template-columns:1fr}
 .form-actions .button{width:100%}
 .state-panel{padding:44px 20px}
}
@media(prefers-reduced-motion:reduce){
 .skeleton-block,.button .spinner{animation:none}
 .video-card,.video-feature,.video-thumb img,.play-badge{transition:none}
}