/* ============================================================
   CROSSBLOC CAPITAL CLUB
   Design system — warm near-black + heraldic gold.
   Every dimension derives from the golden ratio (φ = 1.618).
   Type scale, vertical rhythm, and two-column splits all use φ.
   ============================================================ */

:root {
	/* ---- φ-driven type scale (base 17px) ---- */
	--fs-0: 0.764rem; /* 1/φ·1.236  — fine print           */
	--fs-1: 0.875rem; /* labels / mono eyebrows            */
	--fs-2: 1rem; /* body base                          */
	--fs-3: 1.272rem; /* √φ — lede / large body             */
	--fs-4: 1.618rem; /* φ  — h3                            */
	--fs-5: 2.058rem; /* h2 small                           */
	--fs-6: 2.618rem; /* φ² — h2                            */
	--fs-7: 4.236rem; /* φ³ — display                       */
	--fs-8: 6.854rem; /* φ⁴ — hero display                  */

	/* ---- φ-driven spacing rhythm ---- */
	--sp-1: 0.618rem;
	--sp-2: 1rem;
	--sp-3: 1.618rem;
	--sp-4: 2.618rem;
	--sp-5: 4.236rem;
	--sp-6: 6.854rem;
	--sp-7: 11.09rem;

	/* golden split: major 61.8% / minor 38.2% */
	--major: 61.8%;
	--minor: 38.2%;

	/* ---- palette ---- */
	--ink: #0c0b08; /* warm near-black page          */
	--ink-2: #121009; /* raised panel                  */
	--ink-3: #18150d; /* card                          */
	--line: #2a2618; /* hairline                      */
	--line-2: #3a3320;

	--gold: #c6a253; /* primary heraldic gold         */
	--gold-deep: #9c7c33;
	--gold-soft: #d9c189; /* highlight                     */
	--gold-glow: rgba(198, 162, 83, 0.16);

	--cream: #ece5d4; /* primary text                  */
	--cream-dim: #b6ad97; /* secondary text                */
	--cream-mute: #837a64; /* tertiary / captions           */

	--maxw: 1216px; /* φ-proportioned container       */
	--maxw-narrow: 752px;

	--serif: "Cormorant Garamond", Georgia, serif;
	--sans: "Hanken Grotesk", system-ui, sans-serif;
	--mono: "IBM Plex Mono", ui-monospace, monospace;

	--ease: cubic-bezier(0.2, 0.7, 0.2, 1);
}

* {
	box-sizing: border-box;
	margin: 0;
	padding: 0;
}
html {
	scroll-behavior: smooth;
	-webkit-text-size-adjust: 100%;
}
body {
	background: var(--ink);
	color: var(--cream);
	font-family: var(--sans);
	font-size: 17px;
	line-height: 1.6;
	font-weight: 340;
	letter-spacing: 0.005em;
	-webkit-font-smoothing: antialiased;
	text-rendering: optimizeLegibility;
	overflow-x: hidden;
}

/* grain + warm vignette atmosphere */
body::before {
	content: "";
	position: fixed;
	inset: 0;
	z-index: 0;
	pointer-events: none;
	background:
		radial-gradient(120% 80% at 80% -10%, rgba(198, 162, 83, 0.07), transparent 55%),
		radial-gradient(90% 70% at -10% 110%, rgba(198, 162, 83, 0.04), transparent 60%);
}
body::after {
	content: "";
	position: fixed;
	inset: 0;
	z-index: 0;
	pointer-events: none;
	opacity: 0.035;
	background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}
main,
header,
footer {
	position: relative;
	z-index: 1;
}

a {
	color: inherit;
	text-decoration: none;
}
img {
	display: block;
	max-width: 100%;
}

.wrap {
	width: 100%;
	max-width: var(--maxw);
	margin: 0 auto;
	padding: 0 var(--sp-3);
}

/* ---------- typography ---------- */
h1,
h2,
h3,
h4 {
	font-family: var(--serif);
	font-weight: 500;
	line-height: 1.04;
	letter-spacing: -0.01em;
}
.display {
	font-size: clamp(2.8rem, 7.4vw, var(--fs-8));
	font-weight: 500;
}
.hero-latin {
	font-family: "Cinzel", var(--serif);
	text-transform: uppercase;
	font-weight: 600;
	letter-spacing: 0.07em;
	line-height: 1.08;
	font-size: clamp(2.6rem, 7vw, 6rem);
}
h2 {
	font-size: clamp(2rem, 4.4vw, var(--fs-6));
}
h3 {
	font-size: var(--fs-4);
}
p {
	color: var(--cream-dim);
}
.lede {
	font-size: var(--fs-3);
	color: var(--cream);
	font-weight: 330;
	line-height: 1.5;
}

em,
.it {
	font-style: italic;
}
.gold {
	color: var(--gold-soft);
}

/* mono eyebrow / label */
.eyebrow {
	font-family: var(--mono);
	font-size: var(--fs-1);
	font-weight: 400;
	letter-spacing: 0.34em;
	text-transform: uppercase;
	color: var(--gold);
	display: inline-flex;
	align-items: center;
	gap: 0.7em;
}
.eyebrow::before {
	content: "";
	width: 2.2em;
	height: 1px;
	background: linear-gradient(90deg, transparent, var(--gold));
}

/* roman-numeral section marker */
.numeral {
	font-family: var(--serif);
	font-size: var(--fs-4);
	font-style: italic;
	color: var(--gold);
	letter-spacing: 0.02em;
}

/* ---------- header / nav ---------- */
.site-head {
	position: fixed;
	top: 0;
	left: 0;
	right: 0;
	z-index: 50;
	background: rgba(12, 11, 8, 0);
	border-bottom: 1px solid transparent;
	transition:
		background 0.4s var(--ease),
		border-color 0.4s var(--ease),
		backdrop-filter 0.4s var(--ease);
}
.site-head.scrolled {
	background: rgba(12, 11, 8, 0.82);
	backdrop-filter: blur(14px) saturate(120%);
	border-bottom: 1px solid var(--line);
}
.nav {
	display: flex;
	align-items: center;
	justify-content: space-between;
	height: 80px;
}
.brand {
	display: flex;
	align-items: center;
	gap: 0.72rem;
}
.brand-mark {
	height: 40px;
	width: auto;
	display: block;
	flex-shrink: 0;
	filter: drop-shadow(0 2px 6px rgba(0, 0, 0, 0.5));
}
.brand-lockup {
	height: 28px;
	width: auto;
	display: block;
	flex-shrink: 0;
}
.brand-name {
	font-family: var(--serif);
	font-size: 1.32rem;
	font-weight: 500;
	letter-spacing: 0.01em;
	color: var(--cream);
}
.brand-name small {
	display: block;
	font-family: var(--mono);
	font-size: 0.56rem;
	letter-spacing: 0.42em;
	text-transform: uppercase;
	color: var(--cream-mute);
	margin-top: 0.18rem;
	font-weight: 400;
}

.nav-links {
	display: flex;
	align-items: center;
	gap: var(--sp-3);
}
.nav-links a {
	font-family: var(--mono);
	font-size: 0.74rem;
	letter-spacing: 0.2em;
	text-transform: uppercase;
	color: var(--cream-dim);
	position: relative;
	padding: 0.4rem 0;
	transition: color 0.3s var(--ease);
}
.nav-links a::after {
	content: "";
	position: absolute;
	left: 0;
	bottom: -2px;
	width: 0;
	height: 1px;
	background: var(--gold);
	transition: width 0.35s var(--ease);
}
.nav-links a:hover {
	color: var(--cream);
}
.nav-links a:hover::after,
.nav-links a.active::after {
	width: 100%;
}
.nav-links a.nav-cta::after {
	content: none;
}
.nav-links a.active {
	color: var(--gold-soft);
}

.nav-links a.nav-cta {
	font-family: var(--mono);
	font-size: 0.7rem;
	letter-spacing: 0.12em;
	text-transform: uppercase;
	color: var(--cream);
	background: transparent;
	border: 1px solid rgba(236, 229, 212, 0.32);
	padding: 0.72rem 1.2rem;
	border-radius: 2px;
	white-space: nowrap;
	flex-shrink: 0;
	transition:
		border-color 0.3s var(--ease),
		color 0.3s var(--ease),
		transform 0.3s var(--ease);
}
.nav-links a.nav-cta:hover {
	color: #fff;
	border-color: rgba(236, 229, 212, 0.72);
	transform: translateY(-1px);
}

.nav-toggle {
	display: none;
	background: none;
	border: 0;
	cursor: pointer;
	padding: 0.4rem;
	flex-direction: column;
	gap: 5px;
}
.nav-toggle span {
	width: 24px;
	height: 1.5px;
	background: var(--cream);
	transition: 0.3s var(--ease);
}

/* ---------- buttons ---------- */
.btn {
	display: inline-flex;
	align-items: center;
	gap: 0.6em;
	cursor: pointer;
	font-family: var(--mono);
	font-size: 0.76rem;
	letter-spacing: 0.16em;
	text-transform: uppercase;
	padding: 1rem 1.7rem;
	border-radius: 2px;
	border: 1px solid transparent;
	transition: 0.32s var(--ease);
}
.btn-gold {
	background: var(--gold);
	color: var(--ink);
}
.btn-gold:hover {
	background: var(--gold-soft);
	transform: translateY(-2px);
	box-shadow: 0 12px 34px -16px var(--gold-glow);
}
.btn-ghost {
	border-color: var(--line-2);
	color: var(--cream-dim);
}
.btn-ghost:hover {
	border-color: var(--gold);
	color: var(--gold-soft);
}
.btn .arr {
	transition: transform 0.3s var(--ease);
}
.btn:hover .arr {
	transform: translateX(4px);
}

/* ---------- hero ---------- */
.hero {
	position: relative;
	min-height: 100vh;
	display: flex;
	align-items: center;
	overflow: hidden;
}
.hero-bg {
	position: absolute;
	inset: 0;
	z-index: 0;
}
.hero-bg img {
	width: 100%;
	height: 100%;
	object-fit: cover;
	object-position: 78% 50%;
	/* focal crest sits near the φ point on the right */
}
.hero-bg::after {
	content: "";
	position: absolute;
	inset: 0;
	background:
		linear-gradient(96deg, var(--ink) 30%, rgba(12, 11, 8, 0.62) 50%, rgba(12, 11, 8, 0.18) 70%, rgba(12, 11, 8, 0.42) 100%),
		linear-gradient(0deg, var(--ink) 4%, transparent 38%);
}
.hero .wrap {
	position: relative;
	z-index: 2;
	padding-top: 80px;
}
.hero-inner {
	max-width: 42rem;
}
.hero h1 {
	margin: var(--sp-3) 0 var(--sp-3);
}
.hero .lede {
	max-width: 34rem;
	margin-bottom: var(--sp-4);
}
.hero-actions {
	display: flex;
	gap: var(--sp-2);
	flex-wrap: wrap;
}
.scroll-cue {
	position: absolute;
	left: 50%;
	bottom: var(--sp-3);
	transform: translateX(-50%);
	z-index: 2;
	font-family: var(--mono);
	font-size: 0.62rem;
	letter-spacing: 0.32em;
	text-transform: uppercase;
	color: var(--cream-mute);
	display: flex;
	flex-direction: column;
	align-items: center;
	gap: 0.6rem;
}
.scroll-cue .line {
	width: 1px;
	height: 42px;
	background: linear-gradient(var(--gold), transparent);
	animation: cue 2.4s var(--ease) infinite;
	transform-origin: top;
}
@keyframes cue {
	0%,
	100% {
		transform: scaleY(0.4);
		opacity: 0.4;
	}
	50% {
		transform: scaleY(1);
		opacity: 1;
	}
}

/* ---------- section scaffolding ---------- */
section {
	padding: var(--sp-6) 0;
}
.section-head {
	max-width: var(--maxw-narrow);
	margin-bottom: var(--sp-5);
}
.section-head .row {
	display: flex;
	align-items: baseline;
	gap: var(--sp-2);
	margin-bottom: var(--sp-2);
}
.section-head h2 {
	margin: var(--sp-2) 0 var(--sp-2);
}
.divider {
	height: 1px;
	background: linear-gradient(90deg, var(--line), transparent);
	margin: var(--sp-6) 0;
}

/* golden two-column split */
.split {
	display: grid;
	grid-template-columns: var(--major) var(--minor);
	gap: var(--sp-5);
	align-items: center;
}
.split.rev {
	grid-template-columns: var(--minor) var(--major);
}
/* governance feature — table image enlarged and dominant */
.split.gov {
	grid-template-columns: 1.2fr 0.8fr;
	gap: var(--sp-5);
	align-items: center;
}
.split.gov .figure img {
	aspect-ratio: 3 / 2;
}
.split.gov .figure .tag {
	font-size: 0.66rem;
	padding: 0.6rem 0.9rem;
}
.figure {
	position: relative;
}
.figure img {
	width: 100%;
	aspect-ratio: 1.618 / 1;
	object-fit: cover;
	border-radius: 3px;
	border: 1px solid var(--line);
	filter: saturate(0.92) brightness(0.96);
}
.figure .tag {
	position: absolute;
	bottom: var(--sp-2);
	left: var(--sp-2);
	font-family: var(--mono);
	font-size: 0.62rem;
	letter-spacing: 0.24em;
	text-transform: uppercase;
	color: var(--gold-soft);
	background: rgba(12, 11, 8, 0.74);
	padding: 0.5rem 0.8rem;
	border: 1px solid var(--line);
	backdrop-filter: blur(6px);
}
.figure::after {
	content: "";
	position: absolute;
	inset: 0;
	border-radius: 3px;
	box-shadow:
		inset 0 0 0 1px rgba(198, 162, 83, 0.12),
		inset 0 -80px 80px -60px rgba(12, 11, 8, 0.9);
	pointer-events: none;
}

/* ---------- pillar / card grid ---------- */
.grid-3 {
	display: grid;
	grid-template-columns: repeat(3, 1fr);
	gap: var(--sp-3);
}
.grid-2 {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: var(--sp-3);
}
.card {
	background: linear-gradient(165deg, var(--ink-3), var(--ink-2));
	border: 1px solid var(--line);
	border-radius: 3px;
	padding: var(--sp-4);
	position: relative;
	overflow: hidden;
	transition: 0.4s var(--ease);
}
.card::before {
	content: "";
	position: absolute;
	top: 0;
	left: 0;
	width: 100%;
	height: 1px;
	background: linear-gradient(90deg, var(--gold-deep), transparent 60%);
	opacity: 0.5;
}
.card:hover {
	transform: translateY(-4px);
	border-color: var(--line-2);
	box-shadow: 0 26px 60px -34px rgba(0, 0, 0, 0.8);
}
.card .k {
	font-family: var(--mono);
	font-size: 0.7rem;
	letter-spacing: 0.24em;
	color: var(--gold);
	text-transform: uppercase;
	display: block;
	margin-bottom: var(--sp-2);
}
.card h3 {
	margin-bottom: var(--sp-2);
}
.card p {
	font-size: 0.96rem;
}

/* numbered process steps */
.steps {
	display: grid;
	grid-template-columns: repeat(2, 1fr);
	gap: 0;
	border-top: 1px solid var(--line);
}
.step {
	padding: var(--sp-4) var(--sp-4) var(--sp-4) 0;
	border-bottom: 1px solid var(--line);
	display: grid;
	grid-template-columns: 5.2rem 1fr;
	gap: var(--sp-2);
	align-items: start;
}
.step:nth-child(odd) {
	padding-right: var(--sp-5);
	border-right: 1px solid var(--line);
}
.step:nth-child(even) {
	padding-left: var(--sp-4);
}
.step .no {
	font-family: var(--serif);
	font-style: italic;
	font-size: var(--fs-6);
	color: var(--gold);
	line-height: 1;
	opacity: 0.8;
}
.step h3 {
	font-size: var(--fs-4);
	margin-bottom: 0.4rem;
}
.step p {
	font-size: 0.94rem;
}

/* asset class list — refined index rows */
.index-list {
	border-top: 1px solid var(--line);
}
.index-row {
	display: grid;
	grid-template-columns: 3.2rem var(--minor) 1fr;
	gap: var(--sp-3);
	align-items: baseline;
	padding: var(--sp-3) 0;
	border-bottom: 1px solid var(--line);
	transition: 0.35s var(--ease);
}
.index-row:hover {
	background: linear-gradient(90deg, rgba(198, 162, 83, 0.05), transparent);
	padding-left: var(--sp-2);
}
.index-row .num {
	font-family: var(--mono);
	font-size: 0.78rem;
	color: var(--gold-deep);
	letter-spacing: 0.1em;
}
.index-row h3 {
	font-size: var(--fs-4);
}
.index-row p {
	font-size: 0.95rem;
}

/* stat / quote band */
.band {
	background: var(--ink-2);
	border-top: 1px solid var(--line);
	border-bottom: 1px solid var(--line);
}
.quote {
	max-width: var(--maxw-narrow);
}
.quote p {
	font-family: var(--serif);
	font-size: clamp(1.6rem, 3.4vw, var(--fs-6));
	font-style: italic;
	color: var(--cream);
	line-height: 1.28;
}
.quote .by {
	font-family: var(--mono);
	font-size: 0.72rem;
	letter-spacing: 0.22em;
	text-transform: uppercase;
	color: var(--gold);
	margin-top: var(--sp-3);
}

/* ---------- contact form ---------- */
.form-grid {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: var(--sp-3);
}
.field {
	display: flex;
	flex-direction: column;
	gap: 0.5rem;
}
.field.full {
	grid-column: 1 / -1;
}
.field label {
	font-family: var(--mono);
	font-size: 0.68rem;
	letter-spacing: 0.2em;
	text-transform: uppercase;
	color: var(--cream-mute);
}
.field input,
.field select,
.field textarea {
	background: var(--ink-2);
	border: 1px solid var(--line);
	border-radius: 2px;
	color: var(--cream);
	font-family: var(--sans);
	font-size: 1rem;
	padding: 0.9rem 1rem;
	transition: 0.3s var(--ease);
	width: 100%;
}
.field textarea {
	resize: vertical;
	min-height: 8rem;
}
.field input:focus,
.field select:focus,
.field textarea:focus {
	outline: none;
	border-color: var(--gold);
	box-shadow: 0 0 0 3px var(--gold-glow);
}
.consent {
	display: flex;
	gap: 0.7rem;
	align-items: flex-start;
}
.consent input {
	width: auto;
	margin-top: 0.35rem;
	accent-color: var(--gold);
}
.consent label {
	font-family: var(--sans);
	text-transform: none;
	letter-spacing: 0;
	font-size: 0.84rem;
	color: var(--cream-mute);
}

/* ---------- footer ---------- */
.site-foot {
	border-top: 1px solid var(--line);
	padding: var(--sp-6) 0 var(--sp-4);
	background: var(--ink-2);
}
.foot-top {
	display: grid;
	grid-template-columns: var(--minor) repeat(3, 1fr);
	gap: var(--sp-4);
	margin-bottom: var(--sp-5);
}
.foot-col h4 {
	font-family: var(--mono);
	font-size: 0.68rem;
	font-weight: 400;
	letter-spacing: 0.24em;
	text-transform: uppercase;
	color: var(--gold);
	margin-bottom: var(--sp-3);
}
.foot-col a,
.foot-col p {
	display: block;
	font-size: 0.92rem;
	color: var(--cream-dim);
	margin-bottom: 0.7rem;
	transition: color 0.3s var(--ease);
}
.foot-col a:hover {
	color: var(--gold-soft);
}
.foot-brand .brand-name {
	margin-bottom: var(--sp-2);
}
.foot-brand p {
	font-size: 0.92rem;
	max-width: 22rem;
}
.foot-legal {
	border-top: 1px solid var(--line);
	padding-top: var(--sp-3);
}
.foot-legal .meta {
	display: flex;
	justify-content: space-between;
	gap: var(--sp-3);
	flex-wrap: wrap;
	font-family: var(--mono);
	font-size: 0.66rem;
	letter-spacing: 0.12em;
	text-transform: uppercase;
	color: var(--cream-mute);
	margin-bottom: var(--sp-3);
}
.disclaimer {
	font-size: 0.78rem;
	line-height: 1.7;
	color: var(--cream-mute);
	max-width: 62rem;
}

/* ---------- page hero (interior pages) ---------- */
.page-hero {
	padding: calc(80px + var(--sp-6)) 0 var(--sp-5);
	border-bottom: 1px solid var(--line);
}
.page-hero .lede {
	max-width: 40rem;
	margin-top: var(--sp-3);
}

/* ---------- reveal animation (progressive enhancement) ---------- */
.js [data-reveal] {
	opacity: 0;
	transform: translateY(22px);
	transition:
		opacity 0.9s var(--ease),
		transform 0.9s var(--ease);
}
.js [data-reveal].in {
	opacity: 1;
	transform: none;
}

/* ---------- responsive ---------- */
@media (max-width: 920px) {
	:root {
		--maxw: 100%;
	}
	.nav-links {
		position: fixed;
		inset: 80px 0 auto 0;
		background: rgba(12, 11, 8, 0.97);
		backdrop-filter: blur(16px);
		flex-direction: column;
		align-items: flex-start;
		gap: 0;
		padding: var(--sp-3) var(--sp-3);
		border-bottom: 1px solid var(--line);
		transform: translateY(-120%);
		transition: transform 0.42s var(--ease);
	}
	.nav-links.open {
		transform: none;
	}
	.nav-links a {
		width: 100%;
		padding: 1rem 0;
		border-bottom: 1px solid var(--line);
	}
	.nav-links .nav-cta {
		margin-top: var(--sp-2);
	}
	.nav-toggle {
		display: flex;
	}
	.split,
	.split.rev {
		grid-template-columns: 1fr;
		gap: var(--sp-4);
	}
	.split .figure {
		order: -1;
	}
	.grid-3 {
		grid-template-columns: 1fr;
	}
	.steps {
		grid-template-columns: 1fr;
	}
	.step:nth-child(odd) {
		border-right: 0;
		padding-right: var(--sp-4);
	}
	.step:nth-child(even) {
		padding-left: 0;
	}
	.index-row {
		grid-template-columns: 2.4rem 1fr;
	}
	.index-row p {
		grid-column: 2;
	}
	.form-grid,
	.grid-2,
	.foot-top {
		grid-template-columns: 1fr;
	}
	.foot-top {
		gap: var(--sp-4);
	}
}
@media (max-width: 560px) {
	.brand-lockup {
		height: 26px;
	}
	.grid-3 {
		gap: var(--sp-2);
	}
	.hero-bg img {
		object-position: 70% 50%;
	}
}
@media (prefers-reduced-motion: reduce) {
	* {
		animation: none !important;
		transition: none !important;
	}
	[data-reveal] {
		opacity: 1;
		transform: none;
	}
}

.field.consent .consent-label {
	display: flex !important;
	flex-direction: row !important;
	align-items: flex-start !important;
	gap: 12px !important;
	margin: 0 !important;
}

.field.consent .consent-label input[type="checkbox"] {
	width: 18px !important;
	height: 18px !important;
	margin: 5px 0 0 0 !important;
	flex: 0 0 18px !important;
}

.field.consent .consent-label span {
	display: block !important;
	line-height: 1.6;
}