/* Octavarium – site styles on top of theme.json.
   Colour ratio from the brand guide: navy ~60%, paper ~30%, brass ≤10% (accent only). */

:root {
	--oct-navy: var(--wp--preset--color--navy, #14213D);
	--oct-paper: var(--wp--preset--color--paper, #F4EFE6);
	--oct-brass: var(--wp--preset--color--brass, #C8893B);
	--oct-slate: var(--wp--preset--color--slate, #5B6475);
	--oct-line: var(--wp--preset--color--line, #DDD5C7);
	--oct-paper-deep: var(--wp--preset--color--paper-deep, #ECE5D8);
	--oct-gutter: clamp(1rem, 5vw, 2.5rem);
}

html { scroll-behavior: smooth; }
body { -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility; }
strong, b { font-weight: 500; }
.wp-site-blocks { padding-top: 0; }
.wp-site-blocks > * + * { margin-block-start: 0; }
.oct-main > .wp-block-post-content > * + * { margin-block-start: 0; }
:where(.oct-main) :where(p, li) { max-width: 68ch; }
:focus-visible { outline: 2px solid var(--oct-brass); outline-offset: 3px; }

/* ---------- Label (Medium 12, +160 tracking, caps) ---------- */
.oct-label {
	font-size: var(--wp--preset--font-size--label) !important;
	font-weight: 500;
	letter-spacing: 0.16em;
	text-transform: uppercase;
	color: var(--oct-slate);
	margin-block-end: 0.75rem;
}
.has-navy-background-color .oct-label { color: var(--oct-brass); }

.oct-lead { font-size: var(--wp--preset--font-size--lead); line-height: 1.55; }
.oct-muted { color: var(--oct-slate); }
.has-navy-background-color .oct-muted { color: rgba(244, 239, 230, 0.72); }

/* ---------- Header ---------- */
.oct-site-header {
	background: var(--oct-paper);
	border-bottom: 1px solid var(--oct-line);
	position: sticky;
	top: 0;
	z-index: 50;
}
.admin-bar .oct-site-header { top: 32px; }
@media (max-width: 782px) { .admin-bar .oct-site-header { top: 0; position: relative; } }

.oct-header {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 2rem;
	min-height: 76px;
	max-width: var(--wp--style--global--wide-size);
	margin-inline: auto !important;
	width: 100%;
}
.oct-skip {
	position: absolute; left: -9999px; top: 0;
	background: var(--oct-navy); color: var(--oct-paper); padding: 0.75rem 1rem; z-index: 100;
}
.oct-skip:focus { left: 1rem; top: 0.5rem; }
.oct-header__logo { display: block; line-height: 0; flex-shrink: 0; }
.oct-header__logo img { height: 38px; width: auto; }

.oct-nav { display: flex; align-items: center; gap: 2.25rem; }
.oct-nav ul { list-style: none; margin: 0; padding: 0; display: flex; }
.oct-nav__list { gap: 1.75rem; }
.oct-nav a {
	color: var(--oct-navy);
	text-decoration: none;
	font-size: 0.9375rem;
	font-weight: 400;
	padding-block: 0.4rem;
	border-bottom: 1.5px solid transparent;
	transition: border-color 0.15s ease;
}
.oct-nav__list a:hover { border-bottom-color: var(--oct-line); }
.oct-nav__list a[aria-current="page"] { border-bottom-color: var(--oct-brass); font-weight: 500; }

.oct-lang { gap: 0.25rem; padding-left: 1.5rem !important; border-left: 1px solid var(--oct-line); }
.oct-lang a { font-size: 0.75rem; letter-spacing: 0.12em; font-weight: 500; color: var(--oct-slate); padding: 0.35rem 0.4rem; border: 0; }
.oct-lang abbr { text-decoration: none; }
.oct-lang a[aria-current="true"] { color: var(--oct-navy); box-shadow: inset 0 -1.5px 0 var(--oct-brass); }
.oct-lang a:hover { color: var(--oct-navy); }

.oct-header__toggle {
	display: none;
	align-items: center;
	gap: 0.6rem;
	background: none;
	border: 0;
	padding: 0.5rem 0;
	font: inherit;
	font-size: 0.875rem;
	font-weight: 500;
	color: var(--oct-navy);
	cursor: pointer;
}
.oct-header__toggle-bars,
.oct-header__toggle-bars::before,
.oct-header__toggle-bars::after {
	display: block; width: 20px; height: 1.5px; background: currentColor; position: relative; transition: transform 0.2s ease, background 0.2s ease;
}
.oct-header__toggle-bars::before, .oct-header__toggle-bars::after { content: ""; position: absolute; left: 0; }
.oct-header__toggle-bars::before { top: -6px; }
.oct-header__toggle-bars::after { top: 6px; }
.oct-header__toggle[aria-expanded="true"] .oct-header__toggle-bars { background: transparent; }
.oct-header__toggle[aria-expanded="true"] .oct-header__toggle-bars::before { transform: translateY(6px) rotate(45deg); }
.oct-header__toggle[aria-expanded="true"] .oct-header__toggle-bars::after { transform: translateY(-6px) rotate(-45deg); }

@media (max-width: 880px) {
	.oct-header { min-height: 64px; }
	.oct-header__logo img { height: 32px; }
	.oct-header__toggle { display: inline-flex; }
	.oct-nav {
		display: none;
		position: absolute;
		left: 0; right: 0; top: 100%;
		background: var(--oct-paper);
		border-bottom: 1px solid var(--oct-line);
		flex-direction: column;
		align-items: stretch;
		gap: 0;
		padding: 0.5rem var(--oct-gutter) 1.5rem;
		box-shadow: 0 12px 24px -16px rgba(20, 33, 61, 0.25);
	}
	.oct-nav.is-open { display: flex; }
	.oct-nav__list { flex-direction: column; gap: 0; }
	.oct-nav__list a { display: block; padding: 0.9rem 0; border-bottom: 1px solid var(--oct-line); font-size: 1.0625rem; }
	.oct-nav__list a[aria-current="page"] { border-bottom-color: var(--oct-line); box-shadow: inset 3px 0 0 var(--oct-brass); padding-left: 0.9rem; }
	.oct-lang { border-left: 0; padding: 1rem 0 0 !important; }
	.no-js .oct-nav { display: flex; position: static; box-shadow: none; }
}

/* ---------- Sections ---------- */
.oct-section { padding-block: var(--wp--preset--spacing--60); }
.oct-section--tight { padding-block: var(--wp--preset--spacing--50); }
.oct-section--deep { background: var(--oct-paper-deep); }
.oct-section + .oct-section:not(.has-background):not(.oct-section--deep) { border-top: 1px solid var(--oct-line); }
.oct-section > .wp-block-heading:first-child,
.oct-section > .oct-label:first-child { margin-top: 0; }
.oct-intro { max-width: 760px; }
.oct-intro > h2 { margin-block: 0 1rem; }

/* ---------- Hero ---------- */
.oct-hero {
	position: relative;
	overflow: hidden;
	padding-block: clamp(4rem, 11vw, 8.5rem) clamp(5.5rem, 13vw, 10rem);
	isolation: isolate;
}
.oct-hero::after {
	/* Octave wave: one cycle, then two, brass on the second half. */
	content: "";
	position: absolute;
	left: 0; right: 0; bottom: clamp(1.5rem, 4vw, 3rem);
	height: clamp(48px, 8vw, 110px);
	background: url("../images/hero-wave.svg") center / 100% 100% no-repeat;
	opacity: 0.9;
	z-index: -1;
	pointer-events: none;
}
.oct-hero h1 { color: var(--oct-paper); max-width: 16ch; margin-block: 0 1.5rem; }
.oct-hero .oct-lead { max-width: 40ch; color: rgba(244, 239, 230, 0.86); }
.oct-hero .wp-block-buttons { margin-top: 2.25rem; }

.oct-page-hero { padding-block: clamp(3.5rem, 8vw, 6rem) clamp(2.5rem, 6vw, 4.5rem); border-bottom: 1px solid var(--oct-line); }
.oct-page-hero h1 { max-width: 20ch; margin-block: 0 1.25rem; font-size: clamp(2rem, 4.5vw, 3rem); }
.oct-page-hero .oct-lead { color: var(--oct-slate); max-width: 52ch; }

.oct-page-title { padding-block: clamp(3rem, 7vw, 5rem); }
.oct-page-title h1 { font-size: clamp(2rem, 4.5vw, 3rem); }

/* ---------- Buttons ---------- */
.wp-block-button__link { transition: background-color 0.15s ease, color 0.15s ease; }
.oct-btn-brass .wp-block-button__link { background: var(--oct-brass); color: var(--oct-navy); }
.oct-btn-brass .wp-block-button__link:hover { background: var(--oct-paper); color: var(--oct-navy); }
.wp-block-button.is-style-outline .wp-block-button__link {
	background: transparent; border: 1px solid currentColor; padding: calc(0.9rem - 1px) calc(1.6rem - 1px);
}
.has-navy-background-color .wp-block-button.is-style-outline .wp-block-button__link { color: var(--oct-paper); }
.has-navy-background-color .wp-block-button.is-style-outline .wp-block-button__link:hover { background: rgba(244, 239, 230, 0.08); }
.wp-block-button.is-style-outline .wp-block-button__link:hover { background: rgba(20, 33, 61, 0.05); }
.oct-textlink a { font-weight: 500; text-decoration: none; border-bottom: 1.5px solid var(--oct-brass); padding-bottom: 2px; }
.oct-textlink a:hover { border-bottom-color: var(--oct-navy); }

/* ---------- Key figures ---------- */
.oct-figures { gap: 0 !important; margin-top: 2.5rem !important; }
.oct-figures > .wp-block-column {
	padding: 1.5rem 1.75rem 0.25rem 0;
	border-top: 1px solid var(--oct-line);
	position: relative;
}
.oct-figures > .wp-block-column::before {
	content: ""; position: absolute; top: -1px; left: 0; width: 40px; height: 2px; background: var(--oct-brass);
}
.oct-figure {
	font-size: clamp(1.9rem, 3.3vw, 2.9rem) !important;
	font-weight: 500;
	line-height: 1.05;
	letter-spacing: -0.02em;
	margin: 0 0 0.6rem !important;
	white-space: nowrap;
}
.oct-figure-caption { font-size: 0.9375rem; color: var(--oct-slate); margin: 0 !important; line-height: 1.5; }
@media (max-width: 781px) {
	.oct-figures > .wp-block-column { padding-right: 0; padding-bottom: 1.25rem; }
}

/* ---------- Cards (services) ---------- */
.oct-cards { gap: 1.25rem !important; margin-top: 2.5rem !important; }
.oct-card {
	background: var(--oct-paper);
	border: 1px solid var(--oct-line);
	padding: 1.75rem 1.75rem 1.5rem !important;
	height: 100%;
}
.oct-section--deep .oct-card { background: var(--oct-paper); }
.oct-card h3 { margin-top: 0; margin-bottom: 0.75rem; }
.oct-card p { font-size: 0.975rem; }
.oct-card .oct-card__no { font-size: 0.75rem; letter-spacing: 0.16em; color: var(--oct-slate); font-weight: 500; margin-bottom: 1.25rem; }
.oct-card .oct-textlink { margin-top: 1rem; font-size: 0.9375rem; }
.oct-cards > .wp-block-column { display: flex; flex-direction: column; }
.oct-cards > .wp-block-column > .oct-card { flex: 1; }

/* ---------- Steps ---------- */
.oct-steps { counter-reset: oct-step; gap: 1.5rem !important; margin-top: 2.5rem !important; }
.oct-step { border-top: 1px solid var(--oct-navy); padding-top: 1.25rem; counter-increment: oct-step; }
.has-navy-background-color .oct-step { border-top-color: rgba(244, 239, 230, 0.3); }
.oct-step::before {
	content: counter(oct-step, decimal-leading-zero);
	display: block;
	font-size: 0.75rem; font-weight: 500; letter-spacing: 0.16em;
	color: var(--oct-slate);
	margin-bottom: 0.9rem;
}
.has-navy-background-color .oct-step::before { color: var(--oct-brass); }
.oct-step h3 { margin: 0 0 0.6rem; }
.oct-step p { font-size: 0.975rem; margin: 0; }
.has-navy-background-color .oct-step p { color: rgba(244, 239, 230, 0.8); }

/* ---------- Service detail rows ---------- */
.oct-service { padding-block: 2.5rem !important; border-top: 1px solid var(--oct-line); gap: 2rem !important; margin: 0 !important; }
.oct-service:first-of-type { border-top: 0; }
.oct-service h2 { font-size: var(--wp--preset--font-size--heading); margin: 0; }
.oct-service h3 { font-size: 0.8125rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--oct-slate); margin: 1.5rem 0 0.5rem; }
.oct-service ul { padding-left: 1.1rem; margin-top: 0.25rem; }
.oct-service li { margin-bottom: 0.35rem; }
.oct-service li::marker { color: var(--oct-brass); }

/* ---------- Case / results ---------- */
.oct-case { padding-block: 2.75rem !important; border-top: 1px solid var(--oct-line); gap: 2.5rem !important; margin: 0 !important; }
.oct-case:first-of-type { border-top: 1px solid var(--oct-navy); }
.oct-case__meta h2 { font-size: 1.5rem; margin: 0 0 0.35rem; }
.oct-case__meta p { margin: 0; color: var(--oct-slate); font-size: 0.9375rem; }
.oct-case__figure { font-size: var(--wp--preset--font-size--figure) !important; font-weight: 500; line-height: 1.05; margin: 1.25rem 0 0.25rem !important; letter-spacing: -0.02em; }
.oct-case h3 { font-size: 0.8125rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--oct-slate); margin: 0 0 0.4rem; }
.oct-case h3:not(:first-child) { margin-top: 1.4rem; }
.oct-case p { margin-top: 0; }

/* ---------- Pull statement ---------- */
.oct-statement { font-size: clamp(1.4rem, 2.6vw, 1.9rem) !important; font-weight: 400; line-height: 1.4; max-width: 30ch !important; letter-spacing: -0.01em; }
.oct-statement strong { font-weight: 500; }
/* "Experience still matters." – brass accent on navy (the invoice uses the same two-tone line). */
.oct-brass { color: var(--oct-brass); }
.oct-experience .oct-statement { font-weight: 500; }

/* ---------- Timeline (about) ---------- */
.oct-timeline { list-style: none; padding: 0 !important; margin: 1.5rem 0 0 !important; border-top: 1px solid var(--oct-line); }
.oct-timeline li { display: grid; grid-template-columns: 7.5rem 1fr; gap: 1rem; padding: 0.9rem 0; border-bottom: 1px solid var(--oct-line); max-width: none !important; margin: 0 !important; }
.oct-timeline li strong { font-weight: 500; }
.oct-timeline .oct-yr { color: var(--oct-slate); font-size: 0.9375rem; font-variant-numeric: tabular-nums; }
@media (max-width: 600px) { .oct-timeline li { grid-template-columns: 1fr; gap: 0.15rem; } }

.oct-facts { list-style: none; padding: 0 !important; margin: 0 !important; }
.oct-facts li { padding: 0.6rem 0; border-bottom: 1px solid var(--oct-line); font-size: 0.975rem; max-width: none !important; }
.oct-facts li:first-child { border-top: 1px solid var(--oct-line); }

.oct-portrait {
	aspect-ratio: 4 / 5;
	background: var(--oct-navy) url("../images/octavarium-mark-reversed.svg") center / 38% no-repeat;
	margin: 0 !important;
}
.oct-portrait img { width: 100%; height: 100%; object-fit: cover; display: block; }
.oct-portrait figure { margin: 0 !important; height: 100%; }
.oct-portrait:has(img) { background: none; }

/* ---------- CTA band ---------- */
.oct-cta { padding-block: var(--wp--preset--spacing--60); }
.oct-cta h2 { color: var(--oct-paper); max-width: 22ch; margin-top: 0; }
.oct-cta p { color: rgba(244, 239, 230, 0.8); max-width: 50ch; }

/* ---------- Contact ---------- */
.oct-contact-list { list-style: none; padding: 0 !important; margin: 0 !important; }
.oct-contact-list li { padding: 0.75rem 0; border-bottom: 1px solid var(--oct-line); max-width: none !important; }
.oct-contact-list li:first-child { border-top: 1px solid var(--oct-line); }

.oct-form { display: grid; gap: 0.25rem; }
.oct-form__row { display: grid; grid-template-columns: 1fr 1fr; gap: 1.25rem; }
@media (max-width: 600px) { .oct-form__row { grid-template-columns: 1fr; gap: 0.25rem; } }
.oct-form__field { margin: 0 0 1rem; max-width: none !important; }
.oct-form label { display: block; font-size: 0.875rem; font-weight: 500; margin-bottom: 0.4rem; }
.oct-form input[type="text"],
.oct-form input[type="email"],
.oct-form input[type="tel"],
.oct-form textarea {
	width: 100%;
	box-sizing: border-box;
	font: inherit;
	font-weight: 300;
	color: var(--oct-navy);
	background: #FBF9F5;
	border: 1px solid #C9BFAE;
	border-radius: 2px;
	padding: 0.8rem 0.9rem;
}
.oct-form input:focus, .oct-form textarea:focus { outline: 2px solid var(--oct-navy); outline-offset: 0; border-color: var(--oct-navy); }
.oct-form__consent { display: flex; gap: 0.7rem; align-items: flex-start; font-size: 0.875rem; color: var(--oct-slate); max-width: none !important; margin: 0.25rem 0 1.25rem; }
.oct-form__consent input { margin-top: 0.3rem; width: 1rem; height: 1rem; accent-color: var(--oct-navy); flex-shrink: 0; }
.oct-form__consent label { font-weight: 300; font-size: 0.875rem; margin: 0; }
.oct-form button { border: 0; cursor: pointer; font-family: inherit; }
.oct-form__hp { position: absolute !important; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.oct-form__notice { padding: 1rem 1.25rem; border-left: 3px solid var(--oct-navy); background: var(--oct-paper-deep); max-width: none !important; }
.oct-form__notice--error { border-left-color: #A4452C; }

/* ---------- Footer ---------- */
.oct-site-footer { padding-block: clamp(3rem, 6vw, 4.5rem) 2rem; font-size: 0.9375rem; }
.oct-footer {
	display: grid;
	grid-template-columns: 1.4fr 1fr 1fr;
	gap: 2.5rem;
	max-width: var(--wp--style--global--wide-size);
	margin-inline: auto !important;
	width: 100%;
}
.oct-footer__brand img { height: 36px; width: auto; }
.oct-footer__brand .oct-label { margin-top: 1rem; }
.oct-footer__tagline { margin: 1rem 0 0; font-size: 1.125rem; font-weight: 500; letter-spacing: -0.01em; color: var(--oct-paper); }
.oct-footer__tagline + .oct-label { margin-top: 0.5rem; }
.oct-footer__heading { font-size: 0.75rem !important; letter-spacing: 0.16em; text-transform: uppercase; color: rgba(244, 239, 230, 0.6) !important; font-weight: 500; margin: 0.4rem 0 1rem; }
.oct-footer ul { list-style: none; margin: 0; padding: 0; }
.oct-footer li { margin-bottom: 0.45rem; color: rgba(244, 239, 230, 0.86); }
.oct-footer a { color: var(--oct-paper); text-decoration: none; border-bottom: 1px solid rgba(244, 239, 230, 0.3); }
.oct-footer a:hover { border-bottom-color: var(--oct-brass); }
.oct-footer__legal { grid-column: 1 / -1; border-top: 1px solid rgba(244, 239, 230, 0.15); padding-top: 1.5rem; margin: 1rem 0 0; color: rgba(244, 239, 230, 0.55); font-size: 0.8125rem; }
@media (max-width: 781px) { .oct-footer { grid-template-columns: 1fr; gap: 2rem; } }

/* ---------- Legal/long text pages ---------- */
.oct-prose h2 { font-size: 1.375rem; margin-top: 2.5rem; }
.oct-prose h3 { font-size: 1.0625rem; margin-top: 1.75rem; }

/* Columns stack a bit later than core default for readability */
@media (max-width: 781px) {
	.wp-block-columns.oct-stack-md { flex-wrap: wrap !important; }
}

/* ---------- On navy ---------- */
.has-navy-background-color :is(h1, h2, h3, h4) { color: var(--oct-paper); }
.oct-case .oct-case__figure { color: var(--oct-navy); }
.oct-site-footer { border-top: 1px solid rgba(244, 239, 230, 0.14); }
.oct-muted + .oct-contact-list { margin-top: 1.25rem !important; }
.oct-step h3:only-child { font-size: 1.0625rem; font-weight: 500; }

/* ---------- References: tags (v1.1) ---------- */
.oct-refs { margin-top: 1.25rem !important; }
.oct-refs:first-of-type { margin-top: 2.5rem !important; }
.oct-ref h3 { margin-bottom: 0.6rem; }
.oct-tags { display: flex; flex-wrap: wrap; gap: 0.4rem; margin: 1rem 0 0 !important; }
.oct-tag {
	display: inline-block;
	font-size: 0.75rem; font-weight: 500; letter-spacing: 0.04em;
	padding: 0.25rem 0.65rem;
	border: 1px solid var(--oct-brass);
	border-radius: 999px;
	color: var(--oct-navy);
	background: transparent;
	line-height: 1.4;
}
.oct-ref .oct-tags { margin-top: auto !important; padding-top: 1rem; }
.oct-ref { display: flex; flex-direction: column; }
@media (max-width: 781px) { .oct-refs > .wp-block-column:empty { display: none; } }

/* ---------- Training topics (v1.1) ---------- */
.oct-topics { list-style: none; padding: 0 !important; margin: 0 !important; border-top: 1px solid rgba(244, 239, 230, 0.3); }
.oct-topics li { padding: 0.85rem 0; border-bottom: 1px solid rgba(244, 239, 230, 0.3); font-weight: 500; max-width: none !important; margin: 0 !important; }
.has-navy-background-color .oct-textlink a { color: var(--oct-brass); }