/* DTUI page — People, Talent & Culture Professional (PTC) credential.
   Loaded only by app/views/dtui/pages/people_talent_culture_credential.html.erb.
   Everything is scoped under .dtui-ptc and built from the DTUI tokens
   (tokens.css) and existing dtui-* components, so no other page is affected. */

.dtui-ptc .ptc-section { padding-top: 88px; padding-bottom: 88px; }
.dtui-ptc .ptc-h3 { font-family: var(--font-display); font-size: 28px; font-weight: 500; line-height: 1.2; color: var(--text-strong); margin: 0 0 14px; }
.dtui-ptc .ptc-h2-ink { font-family: var(--font-display); font-size: 42px; font-weight: 500; line-height: 1.15; letter-spacing: var(--tracking-tight); color: #fff; margin: 0; }
.dtui-ptc .ptc-p { font-size: 16.5px; line-height: 1.7; color: var(--text-body); margin: 0 0 16px; }
.dtui-ptc .ptc-p:last-child { margin-bottom: 0; }
.dtui-ptc .ptc-meta { font-family: var(--font-mono); font-size: 13px; letter-spacing: 0.02em; color: var(--text-muted); margin: 22px 0 0; }
.dtui-ptc .ptc-btns { display: flex; gap: 12px; flex-wrap: wrap; }
.dtui-ptc .ptc-btn-ghost { background: transparent; border: 1px solid rgba(255, 255, 255, 0.4); color: #fff; }
.dtui-ptc .ptc-btn-ghost:hover { background: rgba(255, 255, 255, 0.1); color: #fff; text-decoration: none; }
.dtui-ptc .ptc-cta-row { display: flex; flex-wrap: wrap; justify-content: center; gap: 14px; margin-top: 52px; }
.dtui-ptc .ptc-link-row { margin-top: 36px; text-align: center; }
.dtui-ptc .ptc-link { display: inline-flex; align-items: center; gap: 8px; font-size: 16px; font-weight: 700; color: var(--text-accent); text-decoration: none; }
.dtui-ptc .ptc-link:hover { color: var(--color-primary); text-decoration: underline; }
.dtui-ptc .ptc-link svg { width: 17px; height: 17px; }
.dtui-ptc .ptc-link--ink { color: var(--gold-400); }
.dtui-ptc .ptc-link--ink:hover { color: #fff; }

/* ---- Hero ---------------------------------------------------------------- */
.dtui-ptc .ptc-hero { min-height: 560px; }
.dtui-ptc .ptc-hero__bg { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: center 40%; }
.dtui-ptc .ptc-hero__shade { position: absolute; inset: 0; background: linear-gradient(100deg, rgba(16, 23, 40, 0.95) 0%, rgba(24, 35, 63, 0.86) 52%, rgba(24, 35, 63, 0.55) 100%); }
.dtui-ptc .ptc-hero__inner { padding-block: 56px 72px; }
.dtui-ptc .ptc-hero__inner > * { max-width: 780px; }
.dtui-ptc .ptc-hero__title { font-family: var(--font-display); font-size: 54px; font-weight: 500; line-height: 1.08; letter-spacing: var(--tracking-tighter); color: #fff; margin: 14px 0 14px; }
.dtui-ptc .ptc-hero__since { font-family: var(--font-display); font-style: italic; font-size: 24px; color: var(--gold-400); margin: 0 0 18px; }
.dtui-ptc .ptc-hero__lead { font-size: 19px; line-height: 1.6; color: var(--text-on-ink); max-width: 62ch; margin: 0 0 28px; }
.dtui-ptc .ptc-hero__meta { font-family: var(--font-mono); font-size: 13px; color: var(--blue-200); margin: 24px 0 0; }
.dtui-ptc .ptc-trust { list-style: none; margin: 26px 0 0; padding: 0; display: flex; flex-wrap: wrap; align-items: center; gap: 14px; }
.dtui-ptc .ptc-trust li { height: 72px; display: flex; align-items: center; background: #fff; border-radius: var(--radius-md); padding: 8px 12px; box-shadow: var(--shadow-md); }
.dtui-ptc .ptc-trust img { height: 100%; width: auto; }
.dtui-ptc .ptc-trust--round { width: 72px; padding: 0 !important; border-radius: 50% !important; overflow: hidden; }
.dtui-ptc .ptc-trust--round img { width: 100%; height: 100%; object-fit: cover; }

/* ---- Group banner (overlaps the hero) ------------------------------------ */
.dtui-ptc .ptc-banner { position: relative; margin-top: -44px; }
.dtui-ptc .ptc-banner__img { aspect-ratio: 3 / 1; border-radius: 20px; overflow: hidden; box-shadow: var(--shadow-lg); border: 1px solid var(--border-subtle); background: var(--surface-ink); }

/* ---- Two paths ----------------------------------------------------------- */
.dtui-ptc .ptc-paths { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; }
.dtui-ptc .ptc-path { background: var(--surface-card); border: 1px solid var(--border-subtle); border-radius: var(--radius-lg); box-shadow: var(--shadow-xs); padding: 36px 34px; text-align: center; }
.dtui-ptc .ptc-path__img { width: 200px; height: 200px; margin: 0 auto 24px; border-radius: 16px; overflow: hidden; box-shadow: var(--shadow-md); }
.dtui-ptc .ptc-path__img--round { border-radius: 50%; }

/* Check lists */
.dtui-ptc .ptc-checks { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 12px; text-align: left; }
.dtui-ptc .ptc-checks li { display: flex; gap: 12px; align-items: flex-start; font-size: 15.5px; line-height: 1.6; color: var(--text-body); }
.dtui-ptc .ptc-checks svg { flex: none; width: 20px; height: 20px; margin-top: 2px; color: var(--teal-500); }
.dtui-ptc .ptc-checks--ink li { color: var(--text-on-ink); }
.dtui-ptc .ptc-checks--ink svg { color: var(--gold-400); }

/* ---- Why it matters ------------------------------------------------------ */
.dtui-ptc .ptc-matters { position: relative; overflow: hidden; padding: 84px 0 132px; }
.dtui-ptc .ptc-matters__bg { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.dtui-ptc .ptc-matters__shade { position: absolute; inset: 0; background: linear-gradient(110deg, rgba(16, 23, 40, 0.94) 0%, rgba(24, 35, 63, 0.84) 60%, rgba(42, 62, 112, 0.74) 100%); }
.dtui-ptc .ptc-matters__inner { position: relative; display: grid; grid-template-columns: auto 1fr; gap: 56px; align-items: center; }
.dtui-ptc .ptc-matters__logo { width: 320px; background: #fff; border-radius: 16px; padding: 16px; box-shadow: var(--shadow-xl); }
.dtui-ptc .ptc-matters__logo img { width: 100%; height: auto; }
.dtui-ptc .ptc-matters__sub { font-family: var(--font-display); font-size: 24px; line-height: 1.35; color: var(--gold-400); margin: 14px 0 0; }
.dtui-ptc .ptc-matters-body { position: relative; padding-bottom: 88px; }
.dtui-ptc .ptc-matters-card { max-width: 1052px; margin: -72px auto 0; position: relative; background: var(--surface-card); border: 1px solid var(--border-subtle); border-radius: 20px; box-shadow: var(--shadow-lg); padding: 44px 48px; }
.dtui-ptc .ptc-quote { font-family: var(--font-display); font-size: 22px; font-style: italic; line-height: 1.45; color: var(--text-strong); border-left: 4px solid var(--color-accent); background: var(--color-accent-subtle); border-radius: 0 12px 12px 0; padding: 20px 24px; margin: 24px 0; }
.dtui-ptc .ptc-pills { list-style: none; margin: 26px 0 0; padding: 0; display: flex; flex-wrap: wrap; gap: 10px; }
.dtui-ptc .ptc-pills .dtui-credential-pill { padding: 7px 14px; font-size: 13.5px; font-weight: 600; color: var(--gold-600); }

/* ---- Professional Education (ink) ---------------------------------------- */
.dtui-ptc .ptc-edu { grid-template-columns: 0.8fr 1.2fr; gap: 64px; }
.dtui-ptc .ptc-portrait { border-radius: 20px; overflow: hidden; aspect-ratio: 900 / 1070; box-shadow: var(--shadow-xl); border: 1px solid var(--border-ink); background: var(--blue-800); }
.dtui-ptc .ptc-help { font-size: 17px; font-weight: 600; color: #fff; margin: 28px 0 14px; }

/* Tiles */
.dtui-ptc .ptc-tiles { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.dtui-ptc .ptc-tiles li { display: flex; gap: 12px; align-items: center; font-size: 15px; font-weight: 600; line-height: 1.4; color: var(--text-strong); background: var(--surface-card); border: 1px solid var(--border-subtle); border-radius: 12px; padding: 15px 17px; box-shadow: var(--shadow-xs); transition: all var(--duration-base) var(--ease-out); }
.dtui-ptc .ptc-tiles li:hover { border-color: var(--gold-300); background: var(--color-credential-subtle); }
.dtui-ptc .ptc-tiles svg { flex: none; width: 19px; height: 19px; color: var(--teal-500); }
.dtui-ptc .ptc-tiles--single { grid-template-columns: 1fr; }
.dtui-ptc .ptc-tiles--ink li { color: #fff; background: rgba(255, 255, 255, 0.07); border-color: var(--border-ink); box-shadow: none; }
.dtui-ptc .ptc-tiles--ink li:hover { background: rgba(255, 255, 255, 0.12); border-color: rgba(230, 180, 80, 0.55); }
.dtui-ptc .ptc-tiles--ink svg { color: var(--gold-400); }
.dtui-ptc .ptc-tiles--center li { justify-content: center; text-align: center; min-height: 80px; font-family: var(--font-display); font-size: 17px; font-weight: 500; }

/* ---- Learning for Organizations ------------------------------------------ */
.dtui-ptc .ptc-org { grid-template-columns: 1.15fr 0.85fr; gap: 64px; }
.dtui-ptc .ptc-org__label { font-family: var(--font-display); font-size: 22px; font-weight: 600; color: var(--text-strong); margin: 0 0 16px; }
.dtui-ptc .ptc-decisions { font-family: var(--font-display); font-size: 24px; font-weight: 500; line-height: 1.4; color: var(--color-primary); margin: 0 0 16px; }

/* ---- Six steps ------------------------------------------------------------ */
.dtui-ptc .ptc-motto { font-family: var(--font-display); font-style: italic; font-size: 22px; color: var(--text-accent); text-align: center; margin: 0 0 40px; }
/* Column-major on desktop, as in the reference; DOM order is process order,
   so the single-column mobile layout reads 1 → 6. */
.dtui-ptc .ptc-steps { list-style: none; margin: 0 auto; padding: 0; max-width: 1100px; display: grid; grid-template-columns: 1fr 1fr; grid-template-rows: repeat(3, auto); grid-auto-flow: column; gap: 18px 26px; }
.dtui-ptc .ptc-step { display: flex; gap: 20px; align-items: center; background: var(--surface-ink); border-radius: 16px; padding: 16px; box-shadow: var(--shadow-md); transition: transform var(--duration-base) var(--ease-out), box-shadow var(--duration-base) var(--ease-out); }
.dtui-ptc .ptc-step:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg); }
.dtui-ptc .ptc-step img { flex: none; width: 100px; height: 100px; border-radius: 12px; object-fit: cover; }
.dtui-ptc .ptc-step h3 { font-family: var(--font-sans); font-size: 16px; font-weight: 700; line-height: 1.3; letter-spacing: 0.03em; text-transform: uppercase; color: #fff; margin: 0 0 7px; }
.dtui-ptc .ptc-step p { font-size: 14px; line-height: 1.5; color: var(--gold-300); margin: 0; }

/* ---- Overview --------------------------------------------------------------- */
.dtui-ptc .ptc-overview__grid { gap: 56px; align-items: stretch; }
.dtui-ptc .ptc-overview__label { color: var(--text-accent); font-size: 30px; }
.dtui-ptc .ptc-overview__media-col { display: flex; flex-direction: column; }
/* Photo takes the text column's height (out of flow so it cannot stretch the row). */
.dtui-ptc .ptc-overview__media { position: relative; flex: 1 1 auto; min-height: 440px; border-radius: 20px; overflow: hidden; box-shadow: var(--shadow-lg); }
.dtui-ptc .ptc-overview__media img { position: absolute; inset: 0; object-position: center 42%; }
.dtui-ptc .ptc-overview__text { align-self: center; }
.dtui-ptc .ptc-overview__text .ptc-p { font-size: 18px; line-height: 1.8; margin-bottom: 22px; }

/* ---- Media frames ------------------------------------------------------------ */
.dtui-ptc .ptc-media { border-radius: 20px; overflow: hidden; box-shadow: var(--shadow-lg); border: 1px solid var(--border-subtle); }
.dtui-ptc .ptc-media img { display: block; width: 100%; height: auto; }
.dtui-ptc .ptc-media--ink { border-color: var(--border-ink); box-shadow: var(--shadow-xl); }

/* ---- Already hold a credential (ink) ----------------------------------------- */
.dtui-ptc .ptc-credit { grid-template-columns: 1.05fr 0.95fr; gap: 56px; }
.dtui-ptc .ptc-credit__sub { font-family: var(--font-display); font-size: 24px; color: var(--gold-400); margin: 0 0 14px; }
.dtui-ptc .ptc-credit .ptc-tiles { margin-top: 28px; }

/* ---- Teams ------------------------------------------------------------------- */
.dtui-ptc .ptc-rule { border: 0; border-top: 1px solid var(--border-default); margin: 24px 0; }
.dtui-ptc .ptc-areas { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.dtui-ptc .ptc-areas li { display: flex; align-items: center; justify-content: center; text-align: center; min-height: 56px; font-size: 15px; font-weight: 600; color: var(--color-primary); background: var(--color-primary-subtle); border: 1px solid var(--blue-100); border-radius: 12px; padding: 12px 16px; transition: all var(--duration-base) var(--ease-out); }
.dtui-ptc .ptc-areas li:hover { background: var(--color-primary); color: #fff; }

/* ---- Panels: Learning Pathway, three tiers, Why DTUI ------------------------- */
.dtui-ptc .ptc-panel { margin: 40px 0 0; background: var(--surface-card); border: 1px solid var(--border-subtle); border-radius: 20px; box-shadow: var(--shadow-sm); padding: 40px 36px; text-align: center; }
.dtui-ptc .ptc-panel__title { font-family: var(--font-display); font-size: 30px; font-weight: 500; line-height: 1.2; color: var(--text-strong); margin: 0 0 10px; }
.dtui-ptc .ptc-panel__sub { font-size: 16px; line-height: 1.6; color: var(--text-muted); max-width: 68ch; margin: 0 auto 32px; }
.dtui-ptc .ptc-tiers { max-width: 900px; margin: 0 auto; padding: 20px; }
.dtui-ptc .ptc-tiers-svg { display: block; width: 100%; height: auto; border-radius: 12px; }
.dtui-ptc .ptc-why { margin-top: 0; }

/* Pathway stages */
.dtui-ptc .ptc-stages { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.dtui-ptc .ptc-stage { position: relative; display: flex; flex-direction: column; align-items: center; margin-top: 22px; padding: 44px 18px 24px; background: var(--surface-card); border: 1px solid var(--border-subtle); border-radius: 16px; box-shadow: var(--shadow-xs); }
.dtui-ptc .ptc-stage__num { position: absolute; top: -22px; left: 50%; transform: translateX(-50%); width: 44px; height: 44px; border-radius: 50%; display: grid; place-items: center; background: var(--blue-500); color: #fff; font-family: var(--font-display); font-size: 20px; font-weight: 600; box-shadow: 0 0 0 5px var(--blue-50), var(--shadow-md); }
.dtui-ptc .ptc-stage:first-child .ptc-stage__num { background: var(--blue-900); }
.dtui-ptc .ptc-stage h4 { position: relative; font-family: var(--font-display); font-size: 23px; font-weight: 600; color: var(--text-strong); margin: 0 0 10px; padding-bottom: 12px; }
.dtui-ptc .ptc-stage h4::after { content: ""; position: absolute; left: 50%; bottom: 0; width: 36px; height: 3px; border-radius: 2px; background: var(--gold-500); transform: translateX(-50%); }
.dtui-ptc .ptc-stage p { font-size: 14.5px; line-height: 1.55; color: var(--text-body); margin: 0 0 18px; }
.dtui-ptc .ptc-stage__icon { margin-top: auto; width: 76px; height: 76px; border-radius: 50%; display: grid; place-items: center; background: var(--blue-50); color: var(--color-primary); }
.dtui-ptc .ptc-stage__icon svg { width: 32px; height: 32px; }
.dtui-ptc .ptc-stage--current { background: var(--blue-50); border: 1.5px solid var(--blue-200); box-shadow: var(--shadow-lg); }
.dtui-ptc .ptc-stage--current .ptc-stage__num { background: var(--color-accent); box-shadow: 0 0 0 5px var(--clay-50), var(--shadow-md); }
.dtui-ptc .ptc-stage--current .ptc-stage__icon { background: #fff; }
.dtui-ptc .ptc-stage__flag { font-family: var(--font-mono); font-size: 11px; font-weight: 500; letter-spacing: 0.1em; text-transform: uppercase; color: var(--text-accent); background: var(--clay-50); border-radius: var(--radius-pill); padding: 4px 12px; margin: -12px 0 10px; }
.dtui-ptc .ptc-stage__btn { margin-top: 18px; font-size: 14px; }
.dtui-ptc .ptc-stage__btn svg { width: 16px; height: 16px; }

/* Why DTUI columns */
.dtui-ptc .ptc-why__cols { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; text-align: left; }
.dtui-ptc .ptc-why__col { background: var(--surface-card); border: 1px solid var(--border-subtle); border-radius: 16px; overflow: hidden; box-shadow: var(--shadow-xs); }
.dtui-ptc .ptc-why__head { display: flex; align-items: center; gap: 16px; padding: 22px 26px; background: var(--blue-50); border-bottom: 1px solid var(--blue-100); }
.dtui-ptc .ptc-why__head .dtui-service-card__icon { background: #fff; box-shadow: var(--shadow-sm); }
.dtui-ptc .ptc-why__head > div { padding-left: 16px; border-left: 2px solid var(--blue-200); }
.dtui-ptc .ptc-why__head h4 { font-family: var(--font-display); font-size: 23px; font-weight: 600; color: var(--text-strong); margin: 0; }
.dtui-ptc .ptc-why__tag { display: block; margin-top: 4px; font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--color-primary); }
.dtui-ptc .ptc-why__list { list-style: none; margin: 0; padding: 6px 26px 14px; }
.dtui-ptc .ptc-why__list li { display: flex; gap: 14px; align-items: center; padding: 14px 0; border-bottom: 1px solid var(--border-subtle); font-size: 14.5px; line-height: 1.5; color: var(--text-muted); }
.dtui-ptc .ptc-why__list li:last-child { border-bottom: 0; }
.dtui-ptc .ptc-why__list strong { display: block; font-size: 15.5px; color: var(--text-strong); }
.dtui-ptc .ptc-why__check { flex: none; width: 30px; height: 30px; border-radius: 50%; display: grid; place-items: center; background: var(--color-primary); color: #fff; box-shadow: 0 0 0 4px var(--blue-50); }
.dtui-ptc .ptc-why__check svg { width: 16px; height: 16px; }

/* ---- Responsive ------------------------------------------------------------- */
@media (max-width: 1024px) {
  .dtui-ptc .ptc-edu, .dtui-ptc .ptc-org, .dtui-ptc .ptc-credit { grid-template-columns: 1fr; gap: 40px; }
  .dtui-ptc .ptc-portrait { max-width: 420px; margin: 0 auto; width: 100%; }
  .dtui-ptc .ptc-matters__inner { grid-template-columns: 1fr; gap: 28px; }
  .dtui-ptc .ptc-stages { grid-template-columns: 1fr 1fr; gap: 30px 18px; }
  .dtui-ptc .ptc-overview__media { min-height: 0; aspect-ratio: 4 / 3; flex: none; }
}
@media (max-width: 820px) {
  .dtui-ptc .ptc-section { padding-top: 64px; padding-bottom: 64px; }
  .dtui-ptc .ptc-hero__title { font-size: 38px; }
  .dtui-ptc .ptc-hero__since { font-size: 20px; }
  .dtui-ptc .ptc-h2-ink { font-size: 32px; }
  .dtui-ptc .ptc-matters { padding: 64px 0 104px; }
  .dtui-ptc .ptc-matters__logo { width: 250px; }
  .dtui-ptc .ptc-matters-card { margin-top: -56px; padding: 28px 22px; }
  .dtui-ptc .ptc-banner { margin-top: -28px; }
  .dtui-ptc .ptc-banner__img { aspect-ratio: 2 / 1; }
  .dtui-ptc .ptc-paths, .dtui-ptc .ptc-why__cols { grid-template-columns: 1fr; }
  .dtui-ptc .ptc-steps { grid-template-columns: 1fr; grid-template-rows: none; grid-auto-flow: row; }
  .dtui-ptc .ptc-panel { padding: 28px 18px; }
  .dtui-ptc .ptc-trust li { height: 58px; }
  .dtui-ptc .ptc-trust--round { width: 58px; }
}
@media (max-width: 560px) {
  .dtui-ptc .ptc-tiles, .dtui-ptc .ptc-areas, .dtui-ptc .ptc-stages { grid-template-columns: 1fr; }
  .dtui-ptc .ptc-btns .dtui-btn, .dtui-ptc .ptc-cta-row .dtui-btn { width: 100%; }
  .dtui-ptc .ptc-path { padding: 28px 22px; }
  .dtui-ptc .ptc-path__img { width: 170px; height: 170px; }
  .dtui-ptc .ptc-step img { width: 80px; height: 80px; }
  .dtui-ptc .ptc-quote { font-size: 19px; }
}