:root {
  --pti-ink: #0b1730;
  --pti-navy: #0b2451;
  --pti-navy-2: #123a72;
  --pti-blue: #0b63ce;
  --pti-blue-dark: #084ea4;
  --pti-cyan: #12a8c4;
  --pti-teal: #0b8f84;
  --pti-gold: #d99a16;
  --pti-white: #ffffff;
  --pti-surface: #f4f7fb;
  --pti-surface-2: #eaf1f8;
  --pti-line: #d9e3ef;
  --pti-muted: #526176;
  --pti-shadow-sm: 0 8px 24px rgba(11, 23, 48, 0.08);
  --pti-shadow-lg: 0 24px 70px rgba(8, 35, 78, 0.16);
  --pti-radius-sm: 12px;
  --pti-radius-md: 18px;
  --pti-radius-lg: 28px;
  --pti-max: 1180px;
  --pti-font: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--pti-ink);
  background: var(--pti-white);
  font-family: var(--pti-font);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; }
button, input, textarea, select { font: inherit; }

.skip-link {
  position: fixed;
  left: 1rem;
  top: 1rem;
  z-index: 999;
  transform: translateY(-180%);
  background: var(--pti-white);
  color: var(--pti-navy);
  padding: .75rem 1rem;
  border-radius: 10px;
  box-shadow: var(--pti-shadow-sm);
}
.skip-link:focus { transform: translateY(0); }

.pti-shell { width: min(calc(100% - 2rem), var(--pti-max)); margin-inline: auto; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 1px solid rgba(217, 227, 239, .85);
  background: rgba(255, 255, 255, .94);
  backdrop-filter: blur(14px);
}
.site-header__inner {
  min-height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: .75rem;
  text-decoration: none;
  min-width: max-content;
}
.brand__mark {
  position: relative;
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border-radius: 13px;
  color: var(--pti-white);
  font-weight: 850;
  letter-spacing: -.05em;
  background: linear-gradient(145deg, var(--pti-navy), var(--pti-blue));
  box-shadow: 0 9px 22px rgba(11, 99, 206, .22);
}
.brand__mark::after {
  content: "";
  position: absolute;
  right: -5px;
  top: 8px;
  width: 16px;
  height: 4px;
  border-radius: 999px;
  background: var(--pti-cyan);
  box-shadow: 0 8px 0 rgba(18, 168, 196, .7), 0 16px 0 rgba(18, 168, 196, .38);
}
.brand__copy { display: grid; line-height: 1.1; }
.brand__name { font-weight: 800; letter-spacing: -.02em; }
.brand__tagline { margin-top: .24rem; color: var(--pti-muted); font-size: .72rem; letter-spacing: .045em; text-transform: uppercase; }

.primary-nav { display: flex; align-items: center; gap: 1.75rem; }
.primary-nav__list { display: flex; align-items: center; gap: 1.4rem; list-style: none; padding: 0; margin: 0; }
.primary-nav a { position: relative; text-decoration: none; font-weight: 650; font-size: .94rem; }
.primary-nav__list a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 100%;
  bottom: -.45rem;
  height: 2px;
  background: var(--pti-blue);
  transition: right .2s ease;
}
.primary-nav__list a:hover::after,
.primary-nav__list a[aria-current="page"]::after { right: 0; }
.nav-cta, .button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .55rem;
  min-height: 46px;
  padding: .78rem 1.15rem;
  border: 1px solid transparent;
  border-radius: 12px;
  font-weight: 760;
  line-height: 1.1;
  text-decoration: none;
  transition: transform .18s ease, box-shadow .18s ease, background .18s ease, border-color .18s ease;
}
.nav-cta, .button--primary {
  color: var(--pti-white);
  background: var(--pti-blue);
  box-shadow: 0 10px 24px rgba(11, 99, 206, .22);
}
.nav-cta:hover, .button--primary:hover { transform: translateY(-2px); background: var(--pti-blue-dark); box-shadow: 0 14px 30px rgba(11, 99, 206, .28); }
.button--secondary { color: var(--pti-navy); background: var(--pti-white); border-color: var(--pti-line); box-shadow: var(--pti-shadow-sm); }
.button--secondary:hover { transform: translateY(-2px); border-color: #b8c9dc; }
.button--ghost { min-height: 42px; padding: .62rem .8rem; color: var(--pti-blue); border-color: rgba(11,99,206,.24); background: rgba(255,255,255,.75); }
.button--ghost:hover { background: var(--pti-white); transform: translateY(-1px); }
.nav-toggle { display: none; width: 46px; height: 46px; border: 1px solid var(--pti-line); border-radius: 12px; background: white; color: var(--pti-navy); cursor: pointer; }
.nav-toggle span, .nav-toggle::before, .nav-toggle::after { content: ""; display: block; width: 20px; height: 2px; margin: 4px auto; background: currentColor; transition: transform .2s ease, opacity .2s ease; }
.nav-toggle[aria-expanded="true"] span { opacity: 0; }
.nav-toggle[aria-expanded="true"]::before { transform: translateY(6px) rotate(45deg); }
.nav-toggle[aria-expanded="true"]::after { transform: translateY(-6px) rotate(-45deg); }

.hero {
  position: relative;
  overflow: hidden;
  color: var(--pti-white);
  background:
    radial-gradient(circle at 18% 6%, rgba(18,168,196,.23), transparent 29rem),
    linear-gradient(135deg, #081a38 0%, #0b2f63 58%, #0c4a8f 100%);
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  opacity: .24;
  background-image: linear-gradient(rgba(255,255,255,.06) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.06) 1px, transparent 1px);
  background-size: 42px 42px;
  mask-image: linear-gradient(to bottom, black, transparent 88%);
}
.hero__inner {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.04fr) minmax(360px, .96fr);
  gap: clamp(2.25rem, 5vw, 5rem);
  align-items: center;
  min-height: 680px;
  padding-block: clamp(4.8rem, 8vw, 7.6rem);
}
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: .65rem;
  width: fit-content;
  margin: 0 0 1.35rem;
  padding: .5rem .75rem;
  border: 1px solid rgba(255,255,255,.24);
  border-radius: 999px;
  color: #e4f4ff;
  background: rgba(255,255,255,.08);
  font-weight: 720;
  font-size: .83rem;
  letter-spacing: .02em;
}
.eyebrow svg { width: 18px; height: 18px; color: #71d7e8; }
.hero h1 {
  max-width: 780px;
  margin: 0;
  font-size: clamp(2.65rem, 5.15vw, 5.2rem);
  line-height: .98;
  letter-spacing: -.055em;
  text-wrap: balance;
}
.hero h1 span { color: #67d3e9; }
.hero__lede { max-width: 720px; margin: 1.55rem 0 0; color: #d7e6f6; font-size: clamp(1.04rem, 1.55vw, 1.24rem); line-height: 1.72; }
.hero__actions { display: flex; flex-wrap: wrap; gap: .8rem; margin-top: 2rem; }
.hero__metrics { display: grid; grid-template-columns: repeat(3, 1fr); gap: .8rem; max-width: 690px; margin-top: 2.2rem; }
.metric { padding: 1rem 1.05rem; border: 1px solid rgba(255,255,255,.14); border-radius: 14px; background: rgba(255,255,255,.07); }
.metric strong { display: block; color: white; font-size: 1.35rem; line-height: 1.1; }
.metric span { display: block; margin-top: .3rem; color: #b9cce2; font-size: .78rem; }
.hero__visual { position: relative; }
.hero__image-frame {
  position: relative;
  overflow: hidden;
  aspect-ratio: 4 / 5;
  border: 1px solid rgba(255,255,255,.18);
  border-radius: var(--pti-radius-lg);
  background: #c9dcea;
  box-shadow: var(--pti-shadow-lg);
}
.hero__image-frame img { width: 100%; height: 100%; object-fit: cover; object-position: 58% center; }
.hero__image-frame::after { content: ""; position: absolute; inset: 0; background: linear-gradient(to top, rgba(6,23,49,.48), transparent 45%); }
.hero__delivery {
  position: absolute;
  left: -1.5rem;
  right: 1.5rem;
  bottom: 1.5rem;
  z-index: 2;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: .55rem;
  padding: .75rem;
  border: 1px solid rgba(255,255,255,.22);
  border-radius: 16px;
  background: rgba(7, 28, 59, .88);
  backdrop-filter: blur(12px);
  box-shadow: 0 14px 40px rgba(2, 13, 31, .28);
}
.hero__delivery div { padding: .45rem .55rem; text-align: center; }
.hero__delivery strong { display: block; color: white; font-size: .86rem; }
.hero__delivery span { display: block; margin-top: .18rem; color: #a9bed7; font-size: .7rem; }
.hero__accent {
  position: absolute;
  width: 120px;
  height: 120px;
  right: -34px;
  top: 42px;
  border: 24px solid rgba(18,168,196,.23);
  border-radius: 50%;
}

.trust-strip { border-bottom: 1px solid var(--pti-line); background: var(--pti-white); }
.trust-strip__inner { display: grid; grid-template-columns: auto 1fr; gap: 2rem; align-items: center; min-height: 112px; }
.trust-strip p { margin: 0; color: var(--pti-muted); font-weight: 720; white-space: nowrap; }
.trust-list { display: flex; flex-wrap: wrap; justify-content: space-between; gap: .75rem 1.4rem; color: #65748a; font-size: .88rem; font-weight: 780; letter-spacing: .03em; text-transform: uppercase; }

.section { padding-block: clamp(4.2rem, 7vw, 7rem); }
.section--muted { background: var(--pti-surface); }
.section--navy { color: white; background: var(--pti-navy); }
.section-head { display: grid; grid-template-columns: minmax(0, .8fr) minmax(300px, .55fr); gap: 3rem; align-items: end; margin-bottom: 2.6rem; }
.kicker { margin: 0 0 .65rem; color: var(--pti-blue); font-size: .78rem; font-weight: 820; letter-spacing: .11em; text-transform: uppercase; }
.section--navy .kicker { color: #6dd5e7; }
.section h2 { margin: 0; font-size: clamp(2rem, 3.5vw, 3.35rem); line-height: 1.05; letter-spacing: -.045em; text-wrap: balance; }
.section-head > p { margin: 0; color: var(--pti-muted); font-size: 1.03rem; }
.section--navy .section-head > p { color: #c4d3e6; }

.pathways { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem; }
.pathway {
  display: flex;
  flex-direction: column;
  min-height: 310px;
  padding: 1.45rem;
  border: 1px solid var(--pti-line);
  border-radius: var(--pti-radius-md);
  background: white;
  box-shadow: 0 8px 25px rgba(18, 40, 70, .05);
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.pathway:hover { transform: translateY(-5px); border-color: #bdd1e6; box-shadow: 0 18px 42px rgba(18,40,70,.1); }
.pathway__icon { display: grid; place-items: center; width: 48px; height: 48px; border-radius: 14px; color: var(--pti-blue); background: #e9f2ff; }
.pathway__icon svg { width: 25px; height: 25px; }
.pathway h3 { margin: 1.2rem 0 .65rem; font-size: 1.22rem; line-height: 1.25; }
.pathway p { margin: 0; color: var(--pti-muted); font-size: .92rem; }
.pathway a { margin-top: auto; padding-top: 1.35rem; color: var(--pti-blue); font-weight: 760; text-decoration: none; }

.corporate-grid { display: grid; grid-template-columns: minmax(0, 1.03fr) minmax(340px, .97fr); gap: clamp(2rem, 5vw, 5rem); align-items: center; }
.corporate-media { position: relative; }
.corporate-media img { width: 100%; aspect-ratio: 5 / 4; object-fit: cover; border-radius: var(--pti-radius-lg); box-shadow: var(--pti-shadow-lg); }
.corporate-callout { position: absolute; left: 1.3rem; right: 1.3rem; bottom: 1.3rem; display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding: 1rem 1.1rem; border-radius: 14px; color: white; background: rgba(7,30,63,.9); backdrop-filter: blur(8px); }
.corporate-callout strong { font-size: 1.1rem; }
.corporate-copy h2 { margin: .3rem 0 1rem; }
.corporate-copy > p { color: var(--pti-muted); }
.check-list { display: grid; gap: .85rem; list-style: none; padding: 0; margin: 1.6rem 0 2rem; }
.check-list li { position: relative; padding-left: 2rem; }
.check-list li::before { content: ""; position: absolute; left: 0; top: .28rem; width: 1.15rem; height: 1.15rem; border-radius: 50%; background: var(--pti-teal); box-shadow: inset 0 0 0 4px white, 0 0 0 1px var(--pti-teal); }

.schedule-panel { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 2rem; align-items: center; padding: clamp(1.7rem, 4vw, 3rem); border: 1px solid #244b7f; border-radius: var(--pti-radius-lg); background: linear-gradient(120deg, #0d2c5d, #0b3f7a); box-shadow: var(--pti-shadow-lg); }
.schedule-panel__label { margin: 0 0 .55rem; color: #6dd5e7; font-weight: 790; letter-spacing: .09em; text-transform: uppercase; font-size: .76rem; }
.schedule-panel h2 { margin: 0; font-size: clamp(2rem, 4vw, 3.4rem); }
.schedule-panel p { max-width: 720px; margin: .85rem 0 0; color: #cfdded; }
.schedule-panel__actions { display: grid; gap: .7rem; min-width: 210px; }

.book-grid { display: grid; grid-template-columns: minmax(220px, .52fr) minmax(0, 1.1fr) minmax(220px, .55fr); gap: clamp(1.5rem, 4vw, 4rem); align-items: center; }
.book-cover { justify-self: center; width: min(100%, 330px); height: auto; filter: drop-shadow(0 24px 32px rgba(11,23,48,.22)); transform: rotate(-2deg); }
#book-title { scroll-margin-top: 150px; }
.book-copy h2 { margin: .25rem 0 1rem; }
.book-copy p { color: var(--pti-muted); }
.book-points { display: grid; gap: .75rem; margin: 1.3rem 0 1.8rem; }
.book-points span { display: flex; gap: .65rem; align-items: center; font-weight: 690; }
.book-points span::before { content: ""; flex: 0 0 9px; width: 9px; height: 9px; border-radius: 2px; background: var(--pti-cyan); transform: rotate(45deg); }
.founder-card { overflow: hidden; border: 1px solid var(--pti-line); border-radius: var(--pti-radius-md); background: white; box-shadow: var(--pti-shadow-sm); }
.founder-card img { display: block; width: 100%; height: auto; object-fit: contain; background: #eaf1f8; }
.founder-card__body { padding: 1.15rem; align-self: center; }
.founder-card__body strong { display: block; font-size: 1.05rem; }
.founder-card__body p { margin: .35rem 0 .85rem; color: var(--pti-muted); font-size: .84rem; }
.founder-card__body a { color: var(--pti-blue); font-weight: 750; text-decoration: none; }

.partner-grid { display: grid; grid-template-columns: minmax(280px, .7fr) minmax(0, 1fr); gap: clamp(2rem, 6vw, 6rem); align-items: center; }
.partner-logo { display: grid; place-items: center; min-height: 260px; padding: 2.4rem; border: 1px solid rgba(255,255,255,.15); border-radius: var(--pti-radius-lg); background: white; }
.partner-logo img { width: min(100%, 430px); height: auto; }
.partner-copy p { color: #c7d7ea; }
.partner-facts { display: grid; grid-template-columns: repeat(2, 1fr); gap: .8rem; margin-top: 1.5rem; }
.partner-facts div { padding: 1rem; border: 1px solid rgba(255,255,255,.13); border-radius: 14px; background: rgba(255,255,255,.06); }
.partner-facts strong { display: block; color: white; }
.partner-facts span { color: #aec2da; font-size: .82rem; }

.testimonial-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1rem; }
.quote-card { position: relative; padding: 1.7rem; border: 1px solid var(--pti-line); border-radius: var(--pti-radius-md); background: white; box-shadow: var(--pti-shadow-sm); }
.quote-card::before { content: "“"; position: absolute; right: 1.4rem; top: .6rem; color: #d8e8fb; font-size: 5rem; line-height: 1; font-family: Georgia, serif; }
.quote-card blockquote { position: relative; margin: 0; color: #27364b; font-size: 1.03rem; }
.quote-card footer { margin-top: 1.2rem; color: var(--pti-muted); font-size: .83rem; }

.final-cta { padding-block: clamp(4rem, 7vw, 6.5rem); background: linear-gradient(115deg, #eaf4ff, #f7fbff 52%, #e9f8f7); }
.final-cta__inner { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 2rem; align-items: center; }
.final-cta h2 { margin: 0; font-size: clamp(2.1rem, 4vw, 3.6rem); line-height: 1.05; letter-spacing: -.045em; }
.final-cta p { max-width: 720px; margin: .8rem 0 0; color: var(--pti-muted); }
.final-cta__actions { display: flex; flex-wrap: wrap; gap: .75rem; }

.site-footer { color: #c8d5e5; background: #07162e; }
.site-footer__top { display: grid; grid-template-columns: 1.4fr repeat(3, 1fr); gap: 2.5rem; padding-block: 3.7rem; }
.site-footer h3 { margin: 0 0 .9rem; color: white; font-size: .87rem; text-transform: uppercase; letter-spacing: .09em; }
.site-footer p { max-width: 390px; color: #98acc4; font-size: .9rem; }
.site-footer ul { list-style: none; padding: 0; margin: 0; display: grid; gap: .55rem; }
.site-footer a { color: #c8d5e5; text-decoration: none; font-size: .9rem; }
.site-footer a:hover { color: white; }
.site-footer__bottom { display: flex; justify-content: space-between; gap: 1rem; padding-block: 1.25rem; border-top: 1px solid rgba(255,255,255,.1); color: #8297b1; font-size: .78rem; }

:focus-visible { outline: 3px solid #f2ba38; outline-offset: 3px; }

@media (max-width: 1000px) {
  .primary-nav { gap: .8rem; }
  .primary-nav__list { gap: .9rem; }
  .hero__inner { grid-template-columns: 1fr .7fr; gap: 2.2rem; }
  .pathways { grid-template-columns: repeat(2, 1fr); }
  .book-grid { grid-template-columns: .65fr 1.2fr; }
  .founder-card { grid-column: 1 / -1; display: grid; grid-template-columns: 160px 1fr; width: min(100%, 520px); justify-self: center; }
  .site-footer__top { grid-template-columns: 1.4fr repeat(2, 1fr); }
  .site-footer__top > :last-child { grid-column: 2 / -1; }
}

@media (max-width: 820px) {
  .site-header__inner { min-height: 68px; }
  .brand__tagline { display: none; }
  .nav-toggle { display: block; }
  .js .primary-nav {
    position: absolute;
    left: 1rem;
    right: 1rem;
    top: calc(100% + .5rem);
    display: none;
    align-items: stretch;
    padding: 1rem;
    border: 1px solid var(--pti-line);
    border-radius: 16px;
    background: white;
    box-shadow: var(--pti-shadow-lg);
  }
  .js .primary-nav[data-open="true"] { display: grid; }
  .no-js .nav-toggle { display: none; }
  .no-js .primary-nav { display: grid; width: 100%; padding: .75rem 0 1rem; }
  .no-js .site-header__inner { flex-wrap: wrap; }
  .primary-nav__list { display: grid; gap: .2rem; }
  .primary-nav__list a { display: block; padding: .72rem .8rem; border-radius: 9px; }
  .primary-nav__list a:hover { background: var(--pti-surface); }
  .primary-nav__list a::after { display: none; }
  .nav-cta { width: 100%; }
  .hero__inner { grid-template-columns: 1fr; min-height: 0; padding-block: 4.5rem; }
  .hero__visual { max-width: 620px; margin-inline: auto; }
  .hero__image-frame { aspect-ratio: 16 / 10; }
  .hero__delivery { left: 1rem; right: 1rem; }
  .hero__accent { display: none; }
  .trust-strip__inner { grid-template-columns: 1fr; gap: .8rem; padding-block: 1.4rem; }
  .trust-list { justify-content: flex-start; }
  .section-head { grid-template-columns: 1fr; gap: 1rem; }
  .corporate-grid, .partner-grid { grid-template-columns: 1fr; }
  .schedule-panel, .final-cta__inner { grid-template-columns: 1fr; }
  .schedule-panel__actions { display: flex; flex-wrap: wrap; min-width: 0; }
  .book-grid { grid-template-columns: .65fr 1fr; }
  .founder-card { grid-column: 1 / -1; }
  .site-footer__top { grid-template-columns: 1fr 1fr; }
  .site-footer__top > :first-child { grid-column: 1 / -1; }
  .site-footer__top > :last-child { grid-column: auto; }
}

@media (max-width: 620px) {
  .pti-shell { width: min(calc(100% - 1.25rem), var(--pti-max)); }
  .brand__name { font-size: .92rem; }
  .hero__inner { padding-block: 3.6rem; }
  .hero h1 { font-size: clamp(2.45rem, 12vw, 3.45rem); }
  .hero__lede { font-size: 1rem; }
  .hero__actions .button { width: 100%; }
  .hero__metrics { grid-template-columns: 1fr; }
  .metric { display: flex; align-items: baseline; justify-content: space-between; gap: 1rem; }
  .metric span { margin-top: 0; text-align: right; }
  .hero__image-frame { aspect-ratio: 4 / 3; }
  .hero__delivery { position: relative; left: auto; right: auto; bottom: auto; margin: -2.2rem .7rem 0; }
  .pathways, .testimonial-grid { grid-template-columns: 1fr; }
  .pathway { min-height: 0; }
  .corporate-callout { position: relative; left: auto; right: auto; bottom: auto; margin: -1.2rem .7rem 0; }
  .book-grid { grid-template-columns: 1fr; }
  .book-cover { width: 250px; }
  .founder-card { display: grid; grid-template-columns: 120px 1fr; }
  .founder-card img { aspect-ratio: auto; }
  .partner-facts { grid-template-columns: 1fr; }
  .final-cta__actions .button { width: 100%; }
  .site-footer__top { grid-template-columns: 1fr; }
  .site-footer__top > * { grid-column: auto !important; }
  .site-footer__bottom { display: grid; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition: none !important; animation: none !important; }
}