/* ============================================================
   Pathbuilders — corrected brand design system (Concept D)
   Built to the real Brand Guidelines + Homepage v5 brief.
   Fonts: Helvetica Neue / Arial (heads) + Georgia (body) — brand-faithful,
   no trendy web fonts on purpose. Restraint is the brand.
   ============================================================ */

:root {
	/* --- Corporate palette (non-negotiable) --- */
	--corp-1:        #005670;  /* primary — headers, hero overlay, CTA bands, closing */
	--corp-1-deep:   #00455a;  /* darker navy for gradients/footers */
	--corp-2:        #005B39;  /* secondary — accents, Perspective Calibration, pull lines */
	--corp-2-bright: #2f8f63;  /* lifted green so it reads on dark photo overlays */
	--corp-3:        #94B7BB;  /* tertiary — light tints, rules on dark */
	--corp-3-tint:   #e9f1f1;  /* washed teal background tint */
	--yellow:        #F2F0A1;  /* quaternary — sparing accent only */
	--gray-1:        #545859;  /* primary body text */
	--gray-2:        #63666A;  /* secondary text */
	--ink-faint:     #8a8f90;
	--paper:         #ffffff;
	--paper-soft:    #f6f8f8;
	--line:          rgba(0,86,112,0.12);
	--line-soft:     rgba(0,86,112,0.07);

	/* --- Program palettes (non-negotiable) --- */
	--perform:  #AF9800;  --perform-2:  #897630;  --perform-3:  #BFBE69;
	--manage:   #8E6320;  --manage-2:   #5C462B;  --manage-3:   #D9A51B;
	--lead:     #9D432C;  --lead-2:     #833921;  --lead-3:     #A76D11;
	--inspire:  #693C5E;  --inspire-2:  #86647A;  --inspire-3:  #688197;

	/* --- Type --- */
	--sans: 'Helvetica Neue', Helvetica, Arial, sans-serif;
	--serif: Georgia, 'Times New Roman', 'Minion Pro', serif;

	/* --- Fibonacci / golden spacing --- */
	--f1: 8px;  --f2: 13px;  --f3: 21px;  --f4: 34px;
	--f5: 55px; --f6: 89px;  --f7: 144px; --f8: 233px;
	--phi: 1.618;

	--maxw: 1240px;
	--nav-h: 76px;
	--ribbon-h: 38px;
	--ease: cubic-bezier(.22,.61,.36,1);
}

*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
	margin: 0;
	font-family: var(--serif);
	font-size: 18px;
	line-height: 1.62;
	color: var(--gray-1);
	background: var(--paper);
	-webkit-font-smoothing: antialiased;
	text-rendering: optimizeLegibility;
}

img { max-width: 100%; height: auto; display: block; }

/* --- Headings: Helvetica, tight, navy --- */
h1, h2, h3, h4, .head {
	font-family: var(--sans);
	font-weight: 700;
	color: var(--corp-1);
	line-height: 1.06;
	letter-spacing: -0.018em;
	margin: 0;
}
h1 { font-size: clamp(2.5rem, 5.2vw, 4.4rem); }
h2 { font-size: clamp(1.9rem, 3.4vw, 2.9rem); letter-spacing: -0.022em; }
h3 { font-size: 1.18rem; letter-spacing: -0.01em; }

p { margin: 0 0 var(--f3); }
a { color: var(--corp-1); text-decoration: none; transition: color .2s var(--ease); }
strong { color: var(--gray-1); }

/* --- Eyebrow --- */
.eyebrow {
	font-family: var(--sans);
	font-size: 0.7rem;
	font-weight: 700;
	letter-spacing: 0.22em;
	text-transform: uppercase;
	color: var(--corp-2);
	margin: 0 0 var(--f3);
	display: inline-flex;
	align-items: center;
	gap: var(--f2);
}
.eyebrow::before {
	content: "";
	width: 28px; height: 1px;
	background: var(--corp-2);
	display: inline-block;
}

/* --- Layout --- */
.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 var(--f4); }
.section { padding: var(--f7) 0; }
.section-tight { padding: var(--f6) 0; }
.lead {
	font-family: var(--serif);
	font-size: 1.24rem;
	line-height: 1.6;
	color: var(--gray-1);
	max-width: 36rem;
}
.measure { max-width: 40rem; }

/* --- Buttons --- */
.btn {
	font-family: var(--sans);
	font-weight: 700;
	font-size: 0.92rem;
	letter-spacing: 0.01em;
	display: inline-flex;
	align-items: center;
	gap: var(--f2);
	padding: 15px 28px;
	border-radius: 2px;
	border: 1.5px solid transparent;
	cursor: pointer;
	transition: all .22s var(--ease);
	white-space: nowrap;
}
.btn-primary { background: var(--corp-1); color: #fff; }
.btn-primary:hover { background: var(--corp-1-deep); color: #fff; transform: translateY(-1px); box-shadow: 0 10px 24px -12px rgba(0,86,112,.6); }
.btn-green { background: var(--corp-2); color: #fff; }
.btn-green:hover { background: #00472d; color: #fff; transform: translateY(-1px); }
.btn-outline { background: transparent; color: var(--corp-1); border-color: var(--line); }
.btn-outline:hover { border-color: var(--corp-1); color: var(--corp-1); }
.btn-ghost { background: transparent; color: #fff; border-color: rgba(255,255,255,.4); }
.btn-ghost:hover { background: rgba(255,255,255,.1); color: #fff; border-color: #fff; }
.link-arrow {
	font-family: var(--sans); font-weight: 700; font-size: 0.86rem;
	letter-spacing: 0.04em; color: var(--corp-1);
	display: inline-flex; align-items: center; gap: 8px;
}
.link-arrow .ar { transition: transform .2s var(--ease); }
.link-arrow:hover .ar { transform: translateX(5px); }

/* ============================================================
   Review ribbon + header
   ============================================================ */
.concept-ribbon {
	height: var(--ribbon-h);
	background: var(--corp-1-deep);
	color: rgba(255,255,255,.85);
	font-family: var(--sans);
	font-size: 0.72rem; letter-spacing: 0.08em;
	display: flex; align-items: center; gap: var(--f3);
	padding: 0 var(--f4); position: relative; z-index: 60;
}
.concept-ribbon b { color: #fff; letter-spacing: 0.14em; }
.concept-ribbon a { margin-left: auto; color: var(--yellow); font-weight: 700; }

.site-header {
	position: sticky; top: 0; z-index: 50;
	background: rgba(255,255,255,.92);
	backdrop-filter: saturate(140%) blur(10px);
	border-bottom: 1px solid var(--line-soft);
}
.header-inner { display: flex; align-items: center; gap: var(--f4); height: var(--nav-h); }
.logo img { height: 42px; width: auto; }
.main-nav { list-style: none; display: flex; gap: var(--f4); margin: 0; padding: 0; align-items: center; }
.main-nav > li { position: relative; }
/* top-level nav links only — child combinator so flyout anchors don't inherit the flex centering */
.main-nav > li > a, .nav-trigger {
	font-family: var(--sans); font-weight: 600; font-size: 0.92rem;
	color: var(--gray-1); background: none; border: 0; cursor: pointer;
	display: inline-flex; align-items: center; gap: 6px; padding: 6px 0;
	letter-spacing: 0.005em;
}
.main-nav > li > a:hover, .nav-trigger:hover { color: var(--corp-1); }
.nav-trigger .chev { width: 9px; height: 9px; fill: none; stroke: currentColor; stroke-width: 1.6; transition: transform .2s var(--ease); }
.has-flyout:hover .chev { transform: rotate(180deg); }
.header-cta { margin-left: auto; display: flex; gap: var(--f2); align-items: center; }

.flyout {
	position: absolute; top: calc(100% + 10px); left: -20px;
	background: #fff; border: 1px solid var(--line);
	box-shadow: 0 24px 50px -24px rgba(0,86,112,.35);
	padding: var(--f2); border-radius: 4px;
	opacity: 0; visibility: hidden; transform: translateY(8px);
	transition: all .2s var(--ease); min-width: 440px;
}
.has-flyout:hover .flyout, .flyout:hover { opacity: 1; visibility: visible; transform: translateY(0); }
.flyout-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 4px; }
.flyout-card { display: block; padding: 12px 14px; border-radius: 3px; transition: background .15s; }
.flyout-card:hover { background: var(--corp-3-tint); }
.flyout-card strong { display: block; font-family: var(--sans); font-size: 0.9rem; color: var(--corp-1); letter-spacing: 0.04em; }
.flyout-card span { font-family: var(--serif); font-size: 0.82rem; color: var(--gray-2); }

/* ============================================================
   Section B — The Reframe (navy band, four beats)
   ============================================================ */
.reframe {
	background:
		radial-gradient(120% 80% at 50% -10%, #0a6884 0%, var(--corp-1) 45%, var(--corp-1-deep) 100%);
	color: #fff; text-align: center; position: relative; overflow: hidden;
	padding: var(--f8) var(--f4);
}
.reframe::after {
	content: ""; position: absolute; inset: 0;
	background-image: radial-gradient(rgba(255,255,255,.045) 1px, transparent 1px);
	background-size: 22px 22px; pointer-events: none;
}
.reframe .inner { max-width: 50rem; margin: 0 auto; position: relative; z-index: 1; }
.reframe .beat {
	font-family: var(--sans); font-weight: 600;
	font-size: clamp(1.4rem, 2.6vw, 2rem); line-height: 1.28;
	letter-spacing: -0.012em; color: #fff; margin: 0 0 var(--f5);
}
.reframe .beat:last-of-type { margin-bottom: var(--f6); }
.reframe .beat em { font-family: var(--serif); font-style: italic; font-weight: 400; color: var(--corp-3); }
.reframe .pull {
	font-family: var(--serif); font-style: italic;
	font-size: clamp(1.15rem, 1.8vw, 1.45rem); color: var(--corp-3);
	max-width: 36rem; margin: 0 auto; line-height: 1.5;
	padding-top: var(--f4); border-top: 1px solid rgba(148,183,187,.3);
}

/* ============================================================
   Section C — Leadership Architecture (3 tiles + accordions)
   ============================================================ */
.arch { background: var(--paper); }
.arch-intro { max-width: 44rem; margin: 0 auto var(--f6); text-align: center; }
.arch-intro h2 { margin-bottom: var(--f3); }
.arch-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--f4); }
.tile {
	border: 1px solid var(--line-soft);
	border-top: 3px solid var(--tile-accent, var(--corp-1));
	padding: var(--f4) var(--f4) var(--f3);
	background: #fff; display: flex; flex-direction: column;
	transition: box-shadow .25s var(--ease), transform .25s var(--ease);
}
.tile:hover { box-shadow: 0 26px 50px -30px rgba(0,86,112,.4); transform: translateY(-3px); }
.tile-num { font-family: var(--sans); font-weight: 700; font-size: 0.74rem; letter-spacing: 0.18em; color: var(--tile-accent, var(--corp-1)); margin-bottom: var(--f2); }
.tile-name { font-family: var(--sans); font-weight: 700; font-size: 1.05rem; letter-spacing: 0.06em; color: var(--tile-accent, var(--corp-1)); margin-bottom: var(--f3); }
.tile h3 { font-size: 1.32rem; color: var(--corp-1); line-height: 1.18; margin-bottom: var(--f3); }
.tile p { font-size: 1rem; line-height: 1.58; margin-bottom: var(--f3); }
.tile .tile-spacer { flex: 1; }
.tile .metric-row { font-family: var(--sans); font-weight: 700; font-size: 0.82rem; letter-spacing: 0.02em; color: var(--gray-2); margin-bottom: var(--f3); }
.tile .metric-row span { color: var(--tile-accent); }

.accordion { border-top: 1px solid var(--line-soft); margin-top: var(--f2); }
.acc-trigger {
	width: 100%; text-align: left; background: none; border: 0; cursor: pointer;
	font-family: var(--sans); font-weight: 700; font-size: 0.85rem; color: var(--corp-1);
	display: flex; align-items: center; gap: 10px; padding: var(--f3) 0 0;
}
.acc-trigger .ico { width: 16px; height: 16px; flex: none; position: relative; transition: transform .25s var(--ease); }
.acc-trigger .ico::before, .acc-trigger .ico::after { content: ""; position: absolute; background: var(--corp-1); transition: opacity .2s; }
.acc-trigger .ico::before { left: 0; top: 7px; width: 16px; height: 2px; }
.acc-trigger .ico::after { left: 7px; top: 0; width: 2px; height: 16px; }
.acc-trigger[aria-expanded="true"] .ico::after { opacity: 0; }
.acc-panel { max-height: 0; overflow: hidden; transition: max-height .35s var(--ease); }
.acc-panel-inner { padding: var(--f3) 0 var(--f1); font-size: 0.94rem; line-height: 1.55; color: var(--gray-2); }
.acc-panel-inner .lbl { font-family: var(--sans); font-weight: 700; font-size: 0.72rem; letter-spacing: 0.14em; color: var(--tile-accent); display: block; margin: var(--f2) 0 4px; }

/* ============================================================
   Section D — Programs grid + spiral
   ============================================================ */
.programs { background: var(--paper-soft); }
.programs-head { display: grid; grid-template-columns: 1fr 1fr; gap: var(--f6); align-items: center; margin-bottom: var(--f6); }
.programs-head .lead { font-size: 1.3rem; max-width: 32rem; }
.prog-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--f3); }
.prog {
	background: #fff; border: 1px solid var(--line-soft);
	border-top: 3px solid var(--p, var(--corp-1));
	padding: var(--f4) var(--f3) var(--f3); display: flex; flex-direction: column;
	transition: transform .25s var(--ease), box-shadow .25s var(--ease);
}
.prog:hover { transform: translateY(-4px); box-shadow: 0 26px 46px -28px color-mix(in srgb, var(--p) 55%, transparent); }
.prog-name { font-family: var(--sans); font-weight: 700; font-size: 1.25rem; letter-spacing: 0.05em; color: var(--p); margin-bottom: 6px; }
.prog-stage { font-family: var(--sans); font-weight: 600; font-size: 0.72rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--ink-faint); margin-bottom: var(--f3); }
.prog p { font-size: 0.96rem; line-height: 1.5; margin-bottom: var(--f3); }
.prog .tile-spacer { flex: 1; }
.prog .acc-trigger, .prog .acc-trigger .ico::before, .prog .acc-trigger .ico::after { color: var(--p); }
.prog .acc-trigger .ico::before, .prog .acc-trigger .ico::after { background: var(--p); }
.prog .acc-panel-inner .lbl { color: var(--p); }
.prog .link-arrow { color: var(--p); margin-top: var(--f2); }
.programs-cta { text-align: center; margin-top: var(--f6); }

/* spiral */
.spiral-wrap { position: relative; }
.spiral-wrap svg { width: 100%; height: auto; display: block; overflow: visible; }
.spiral-curve { fill: none; stroke-width: 2.2; stroke-linecap: round; }
.spiral-rect { fill: none; stroke: rgba(0,86,112,.10); stroke-width: .6; }
.s-node { transition: r .25s var(--ease); }
.s-label { font-family: var(--sans); font-weight: 700; font-size: 17px; paint-order: stroke; stroke: #fff; stroke-width: 4px; }
.s-num { font-family: var(--sans); font-weight: 700; font-size: 10.5px; letter-spacing: .14em; paint-order: stroke; stroke: #fff; stroke-width: 3px; }
.s-theme { font-family: Georgia, serif; font-style: italic; font-size: 12px; fill: var(--gray-2); paint-order: stroke; stroke: #fff; stroke-width: 3px; }

/* ============================================================
   Section E — Mentoring Perfected
   ============================================================ */
.mentoring { background: #fff; }
.mentoring .wrap { display: grid; grid-template-columns: 0.95fr 1.05fr; gap: var(--f6); align-items: center; }
.mentoring-media { position: relative; }
.mentoring-media img { width: 100%; aspect-ratio: 4/5; object-fit: cover; border-radius: 3px; }
.mentoring-media .tag { position: absolute; left: 0; bottom: var(--f4); background: var(--corp-1); color: #fff; font-family: var(--sans); font-weight: 700; font-size: 0.72rem; letter-spacing: 0.14em; padding: 10px 18px; }
.element { padding: var(--f3) 0; border-top: 1px solid var(--line-soft); }
.element:first-of-type { border-top: 0; }
.element h4 { font-family: var(--sans); font-weight: 700; font-size: 1.05rem; color: var(--corp-1); margin-bottom: 6px; }
.element h4 span { color: var(--corp-2); }
.element p { font-size: 0.98rem; line-height: 1.55; margin: 0; color: var(--gray-1); }
.mentoring .pull { font-family: var(--serif); font-style: italic; font-size: 1.2rem; color: var(--corp-2); margin-top: var(--f4); }

/* ============================================================
   Section F — Social proof
   ============================================================ */
.proof { background: var(--paper-soft); text-align: center; }
.proof h2 { font-size: clamp(1.4rem,2.4vw,1.9rem); margin-bottom: var(--f5); }
.logo-strip { display: flex; flex-wrap: wrap; justify-content: center; align-items: center; gap: var(--f5) var(--f6); margin-bottom: var(--f6); }
.logo-strip img { height: 56px; width: auto; filter: grayscale(1); opacity: .62; transition: all .25s var(--ease); }
.logo-strip img:hover { filter: grayscale(0); opacity: 1; }
.proof-bar { display: flex; justify-content: center; gap: var(--f6); flex-wrap: wrap; max-width: 56rem; margin: 0 auto; }
.proof-bar div { max-width: 16rem; }
.proof-bar strong { display: block; font-family: var(--sans); font-size: 2.4rem; color: var(--corp-1); line-height: 1; margin-bottom: 8px; }
.proof-bar span { font-family: var(--serif); font-size: 0.98rem; color: var(--gray-2); line-height: 1.45; }

/* ============================================================
   Section G — Closing CTA
   ============================================================ */
.closing {
	background:
		radial-gradient(120% 120% at 80% 10%, #0a6884 0%, var(--corp-1) 50%, var(--corp-1-deep) 100%);
	color: #fff; text-align: center; padding: var(--f8) var(--f4);
}
.closing .l1 { font-family: var(--sans); font-weight: 700; font-size: clamp(1.8rem,3.4vw,2.8rem); line-height: 1.12; color: #fff; margin-bottom: var(--f4); letter-spacing: -0.02em; }
.closing .l2 { font-family: var(--serif); font-style: italic; font-size: clamp(1.2rem,2vw,1.6rem); color: #fff; margin-bottom: var(--f3); }
.closing .l3 { font-family: var(--serif); font-style: italic; font-size: clamp(1.05rem,1.6vw,1.25rem); color: var(--corp-3); margin-bottom: var(--f5); }
.closing .btn-primary { background: #fff; color: var(--corp-1); }
.closing .btn-primary:hover { background: var(--yellow); color: var(--corp-1-deep); }

/* ============================================================
   Footer
   ============================================================ */
.site-footer { background: var(--corp-1-deep); color: rgba(255,255,255,.7); padding: var(--f5) 0; font-family: var(--sans); }
.footer-bottom { display: flex; justify-content: space-between; gap: var(--f4); flex-wrap: wrap; font-size: 0.84rem; }
.footer-bottom a { color: var(--corp-3); }

/* ============================================================
   Reveal animations
   ============================================================ */
.reveal { opacity: 0; transform: translateY(22px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.reveal.in { opacity: 1; transform: none; }
.reveal[data-d="1"] { transition-delay: .08s; }
.reveal[data-d="2"] { transition-delay: .16s; }
.reveal[data-d="3"] { transition-delay: .24s; }
.reveal[data-d="4"] { transition-delay: .32s; }
@media (prefers-reduced-motion: reduce) { .reveal { opacity: 1; transform: none; transition: none; } html { scroll-behavior: auto; } }

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width: 1000px) {
	.arch-grid { grid-template-columns: 1fr; max-width: 36rem; margin: 0 auto; }
	.prog-grid { grid-template-columns: 1fr 1fr; }
	.programs-head { grid-template-columns: 1fr; gap: var(--f4); }
	.mentoring .wrap { grid-template-columns: 1fr; }
	.mentoring-media img { aspect-ratio: 16/10; }
}
@media (max-width: 760px) {
	body { font-size: 17px; }
	.section { padding: var(--f6) 0; }
	.main-nav, .header-cta .btn-outline { display: none; }
	.prog-grid { grid-template-columns: 1fr; max-width: 26rem; margin: 0 auto; }
	.proof-bar { gap: var(--f4); }
}