/* ---- Tokens ---- */
:root {
  --blue: #0B57F0;
  --blue-dim: #0A4AD1;
  --black: #0A0A0A;
  --offwhite: #F5F5F3;
  --white: #FFFFFF;
  --grey: #C9CDD6;
  --grey-text: #6B6E76;

  --font-display: 'Archivo', sans-serif;
  --font-body: 'Inter', sans-serif;

  --max-w: 1200px;
  --pad: clamp(1.25rem, 4vw, 3rem);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; }
}

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--black);
  background: var(--offwhite);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1, h2 { font-family: var(--font-display); font-weight: 900; line-height: 1.05; margin: 0 0 0.5em; letter-spacing: -0.01em; }
h2 { font-size: clamp(1.75rem, 3.2vw, 2.75rem); text-transform: uppercase; }
p { margin: 0 0 1em; }
a { color: inherit; }

.skip-link {
  position: absolute; left: -999px; top: 0; background: var(--blue); color: var(--white);
  padding: 0.75em 1em; z-index: 100;
}
.skip-link:focus { left: 0; }

:focus-visible { outline: 3px solid var(--blue); outline-offset: 2px; }

.section-inner { max-width: var(--max-w); margin: 0 auto; padding: 0 var(--pad); }

/* ---- Nav ---- */
.nav {
  position: sticky; top: 0; z-index: 50;
  background: var(--offwhite);
  border-bottom: 1px solid var(--black);
}
.nav-inner {
  max-width: var(--max-w); margin: 0 auto; padding: 0.9em var(--pad);
  display: flex; align-items: center; justify-content: space-between; gap: 1.5em;
}
.logo { display: flex; align-items: center; gap: 0.6em; text-decoration: none; font-family: var(--font-display); font-weight: 700; font-size: 1.05rem; color: var(--black); }
.logo-mark { width: 20px; height: 20px; flex-shrink: 0; }
.nav-links { display: flex; gap: 2em; font-size: 0.95rem; font-weight: 500; }
.nav-links a { text-decoration: none; }
.nav-links a:hover { color: var(--blue); }
@media (max-width: 720px) { .nav-links { display: none; } }

/* ---- Buttons ---- */
.btn {
  display: inline-block; text-decoration: none; font-weight: 600; text-align: center;
  border-radius: 4px; border: 1.5px solid transparent; transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}
.btn-small { padding: 0.55em 1.1em; font-size: 0.9rem; }
.btn-large { padding: 0.85em 1.6em; font-size: 1rem; }
.btn-primary { background: var(--blue); color: var(--white); }
.btn-primary:hover { background: var(--blue-dim); }
.btn-inverse { background: var(--white); color: var(--blue); }
.btn-inverse:hover { background: var(--offwhite); }
.btn-outline { border-color: rgba(255,255,255,0.6); color: var(--white); }
.btn-outline:hover { border-color: var(--white); background: rgba(255,255,255,0.08); }

/* ---- Hero ---- */
.hero {
  position: relative; overflow: hidden;
  background: var(--blue); color: var(--white);
  padding: clamp(3.5rem, 10vw, 7rem) 0 clamp(3rem, 8vw, 5.5rem);
}
.hero-mark { position: absolute; top: -20px; right: -20px; width: clamp(140px, 20vw, 260px); height: auto; }
.hero-eyebrow { font-weight: 600; opacity: 0.85; margin-bottom: 1em; }
.hero-title { font-size: clamp(2.4rem, 6.5vw, 5rem); }
.hero-title span { display: block; opacity: 0; transform: translateY(0.4em); animation: rise 0.7s ease forwards; }
.hero-title span:nth-child(1) { animation-delay: 0.05s; }
.hero-title span:nth-child(2) { animation-delay: 0.2s; }
.hero-title span:nth-child(3) { animation-delay: 0.35s; }
@keyframes rise { to { opacity: 1; transform: translateY(0); } }
@media (prefers-reduced-motion: reduce) { .hero-title span { opacity: 1; transform: none; animation: none; } }
.hero-sub { max-width: 46ch; font-size: 1.1rem; opacity: 0.92; margin-top: 1em; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 1em; margin-top: 2em; }

/* ---- Generic section ---- */
.section { padding: clamp(3rem, 8vw, 5.5rem) 0; border-bottom: 1px solid rgba(10,10,10,0.1); }
.two-col { display: grid; grid-template-columns: 1.3fr 1fr; gap: clamp(2rem, 5vw, 4rem); align-items: start; }
@media (max-width: 800px) { .two-col { grid-template-columns: 1fr; } }
.lede { font-size: 1.15rem; max-width: 62ch; }
.col-main p:not(.lede) { max-width: 62ch; color: var(--grey-text); }

.col-aside { border-left: 2px solid var(--blue); padding-left: 1.5em; }
.aside-label { font-weight: 600; margin-bottom: 0.75em; }
.not-list { list-style: none; margin: 0 0 1em; padding: 0; display: flex; flex-direction: column; gap: 0.5em; }
.not-list li { color: var(--grey-text); }
.aside-note { font-weight: 500; }

/* ---- Split panels ---- */
.split { display: grid; grid-template-columns: 1fr 1fr; padding: 0; border-bottom: none; }
.split-panel { padding: clamp(2.5rem, 6vw, 4rem) 0; color: var(--white); }
.panel-academy { background: var(--black); }
.panel-consultancy { background: var(--blue); }
.panel-inner { max-width: 560px; margin: 0; padding-left: var(--pad); padding-right: var(--pad); }
.split-panel:first-child .panel-inner { margin-left: auto; }
.split-panel:last-child .panel-inner { margin-right: auto; }
.panel-label { font-weight: 600; opacity: 0.75; margin-bottom: 0.5em; }
.panel-inner h2 { font-size: clamp(1.5rem, 2.6vw, 2rem); }
.tag-list { list-style: none; margin: 1.5em 0 0; padding: 0; display: flex; flex-wrap: wrap; gap: 0.6em; }
.tag-list li { border: 1px solid rgba(255,255,255,0.35); border-radius: 999px; padding: 0.4em 0.9em; font-size: 0.85rem; }
@media (max-width: 780px) { .split { grid-template-columns: 1fr; } }

/* ---- Philosophy ---- */
.philosophy-chain { list-style: none; margin: 2em 0 0; padding: 0; display: flex; align-items: flex-start; gap: 0; flex-wrap: wrap; }
.philosophy-chain li { flex: 1 1 200px; padding: 0 1.5em 0 0; position: relative; }
.philosophy-chain li:not(:last-child)::after {
  content: "→"; position: absolute; right: 0.2em; top: 0; color: var(--blue); font-size: 1.4rem;
}
@media (max-width: 720px) { .philosophy-chain li:not(:last-child)::after { content: "↓"; position: static; display: block; margin: 0.6em 0; } .philosophy-chain { flex-direction: column; } }
.pnum { display: block; font-family: var(--font-display); font-weight: 900; font-size: 1.6rem; margin-bottom: 0.2em; }
.philosophy-chain p { color: var(--grey-text); margin: 0; }

/* ---- Who we work with ---- */
.chip-list { list-style: none; margin: 1.5em 0 0; padding: 0; display: flex; flex-wrap: wrap; gap: 0.75em; }
.chip-list li { border: 1.5px solid var(--black); padding: 0.6em 1.2em; font-weight: 500; font-size: 0.95rem; }

/* ---- Contact ---- */
.contact { background: var(--black); color: var(--white); border-bottom: none; }
.contact .lede { opacity: 0.9; }
.contact-direct { font-size: 0.95rem; opacity: 0.75; }
.contact-direct a { text-decoration: underline; }
.contact-form { display: flex; flex-direction: column; gap: 0.4em; }
.contact-form label { font-size: 0.9rem; font-weight: 600; margin-top: 0.8em; }
.contact-form input[type="text"],
.contact-form input[type="email"],
.contact-form textarea {
  background: #171717; border: 1px solid #333; color: var(--white);
  padding: 0.7em 0.9em; border-radius: 4px; font: inherit;
}
.contact-form input:focus, .contact-form textarea:focus { border-color: var(--blue); }
.optional { font-weight: 400; opacity: 0.6; }
.contact-form button { margin-top: 1.3em; }
.hp { position: absolute; left: -9999px; opacity: 0; }
.form-status { min-height: 1.2em; font-size: 0.9rem; margin-top: 0.7em; }
.form-status[data-state="success"] { color: #7CD992; }
.form-status[data-state="error"] { color: #FF8A8A; }

/* ---- Footer ---- */
.footer { background: var(--black); color: var(--white); padding: 2.5em 0; }
.footer-inner { text-align: left; }
.footer-brand { display: flex; align-items: center; gap: 0.6em; font-family: var(--font-display); font-weight: 700; margin-bottom: 0.6em; }
.footer-line { opacity: 0.8; }
.footer-meta { opacity: 0.55; font-size: 0.85rem; }