/* =========================================================================
   Shard & Sterling — main.css
   A dark, editorial, one-page theme.

   Contents
   1.  Design tokens (custom properties)
   2.  Base & typography
   3.  Layout primitives (container, section, eyebrow, hallmark, seam)
   4.  Buttons & links
   5.  Site header & navigation
   6.  Mobile menu overlay
   7.  Hero
   8.  Positioning
   9.  Practice areas (cards)
   10. Approach (sequence)
   11. Clients
   12. Contact & form
   13. Site footer
   14. Reveal animation utilities
   15. Responsive
   16. Reduced motion & focus
   ========================================================================= */

/* ----------------------------------------------------------------------- */
/* 1. Design tokens                                                        */
/* These can be overridden from the WordPress Customizer (see functions.php) */
:root {
	--c-ink:        #0B0C0E; /* base background            */
	--c-charcoal:   #131418; /* elevated surface           */
	--c-graphite:   #16171B; /* cards                      */
	--c-hairline:   #2A2C32; /* borders / rules            */
	--c-hairline-2: #202228; /* quieter borders            */
	--c-silver:     #9A9DA4; /* secondary text             */
	--c-soft-white: #ECEAE3; /* primary text               */
	--c-gold:       #B79A6B; /* muted accent               */
	--c-gold-dim:   #8C7752; /* gold, recessed             */

	--font-serif: "Spectral", Georgia, "Times New Roman", serif;
	--font-sans:  "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;

	/* Fluid type scale */
	--fs-hero:    clamp(2.6rem, 1.6rem + 4.6vw, 4.75rem);
	--fs-h2:      clamp(1.9rem, 1.4rem + 2.2vw, 2.85rem);
	--fs-lead:    clamp(1.2rem, 1.05rem + 0.7vw, 1.5rem);
	--fs-h3:      1.3rem;
	--fs-body:    1.0625rem;
	--fs-small:   0.9375rem;
	--fs-eyebrow: 0.72rem;

	/* Rhythm */
	--space-section: clamp(5rem, 3rem + 8vw, 9rem);
	--container:     1180px;
	--measure:       64ch;

	--ease: cubic-bezier(0.22, 0.61, 0.36, 1);
	--header-h: 76px;
}

/* ----------------------------------------------------------------------- */
/* 2. Base & typography                                                    */
html {
	scroll-behavior: smooth;
	scroll-padding-top: calc(var(--header-h) + 12px);
	-webkit-text-size-adjust: 100%;
}

body {
	margin: 0;
	background: var(--c-ink);
	color: var(--c-soft-white);
	font-family: var(--font-sans);
	font-size: var(--fs-body);
	line-height: 1.7;
	font-weight: 400;
	-webkit-font-smoothing: antialiased;
	-moz-osx-font-smoothing: grayscale;
	text-rendering: optimizeLegibility;
	overflow-x: hidden;
}

h1, h2, h3, h4 {
	font-family: var(--font-serif);
	font-weight: 300;
	line-height: 1.1;
	margin: 0 0 0.6em;
	letter-spacing: -0.01em;
	color: var(--c-soft-white);
}

p { margin: 0 0 1.25rem; max-width: var(--measure); }
p:last-child { margin-bottom: 0; }

a { color: var(--c-soft-white); text-decoration: none; }

strong { font-weight: 500; color: var(--c-soft-white); }

::selection { background: rgba(183, 154, 107, 0.28); color: #fff; }

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

/* ----------------------------------------------------------------------- */
/* 3. Layout primitives                                                    */
.container {
	width: 100%;
	max-width: var(--container);
	margin-inline: auto;
	padding-inline: clamp(1.25rem, 5vw, 3rem);
}

.section { padding-block: var(--space-section); position: relative; }
.section--tight { padding-block: clamp(3.5rem, 6vw, 6rem); }
.section + .section { border-top: 1px solid var(--c-hairline-2); }

/* Eyebrow label with leading hallmark lozenge */
.eyebrow {
	display: inline-flex;
	align-items: center;
	gap: 0.7rem;
	font-family: var(--font-sans);
	font-size: var(--fs-eyebrow);
	font-weight: 500;
	letter-spacing: 0.22em;
	text-transform: uppercase;
	color: var(--c-gold);
	margin: 0 0 1.4rem;
}
.eyebrow::before {
	content: "";
	width: 9px;
	height: 9px;
	flex: 0 0 auto;
	border: 1px solid var(--c-gold);
	transform: rotate(45deg);
	position: relative;
	top: -1px;
}

.section__head { max-width: 56ch; margin-bottom: clamp(2.5rem, 5vw, 3.75rem); }

/* The signature hallmark mark (brand + dividers) */
.hallmark { color: var(--c-gold); display: block; }

/* A quiet centered divider seam with the shard motif */
.seam {
	display: flex;
	align-items: center;
	justify-content: center;
	gap: 0.9rem;
	color: var(--c-gold);
	opacity: 0.85;
}
.seam::before, .seam::after {
	content: "";
	height: 1px;
	width: min(120px, 22vw);
	background: linear-gradient(90deg, transparent, var(--c-hairline));
}
.seam::after { background: linear-gradient(90deg, var(--c-hairline), transparent); }

.lead {
	font-family: var(--font-serif);
	font-weight: 300;
	font-size: var(--fs-lead);
	line-height: 1.5;
	color: var(--c-soft-white);
	letter-spacing: -0.005em;
	max-width: 40ch;
}

.muted { color: var(--c-silver); }

/* ----------------------------------------------------------------------- */
/* 4. Buttons & links                                                      */
.btn {
	display: inline-flex;
	align-items: center;
	gap: 0.6rem;
	font-family: var(--font-sans);
	font-size: 0.9rem;
	font-weight: 500;
	letter-spacing: 0.02em;
	line-height: 1;
	padding: 0.95rem 1.6rem;
	border: 1px solid var(--c-gold);
	border-radius: 2px;
	color: var(--c-ink);
	background: var(--c-gold);
	cursor: pointer;
	transition: background 0.35s var(--ease), color 0.35s var(--ease),
		border-color 0.35s var(--ease), transform 0.35s var(--ease);
}
.btn:hover { background: transparent; color: var(--c-gold); transform: translateY(-1px); }

.btn--ghost {
	background: transparent;
	color: var(--c-soft-white);
	border-color: var(--c-hairline);
}
.btn--ghost:hover {
	background: transparent;
	color: var(--c-gold);
	border-color: var(--c-gold);
}

.btn__arrow { transition: transform 0.35s var(--ease); }
.btn:hover .btn__arrow { transform: translateX(3px); }

/* Inline text link with gold underline grow */
.link-underline {
	color: var(--c-soft-white);
	position: relative;
	padding-bottom: 2px;
}
.link-underline::after {
	content: "";
	position: absolute;
	left: 0; bottom: 0;
	width: 100%; height: 1px;
	background: var(--c-gold);
	transform: scaleX(0);
	transform-origin: left;
	transition: transform 0.4s var(--ease);
}
.link-underline:hover::after { transform: scaleX(1); }

/* ----------------------------------------------------------------------- */
/* 5. Site header & navigation                                             */
.site-header {
	position: fixed;
	inset: 0 0 auto 0;
	z-index: 900;
	height: var(--header-h);
	display: flex;
	align-items: center;
	background: transparent;
	transition: background 0.4s var(--ease), border-color 0.4s var(--ease),
		backdrop-filter 0.4s var(--ease);
	border-bottom: 1px solid transparent;
}
.site-header.is-scrolled {
	background: rgba(11, 12, 14, 0.82);
	backdrop-filter: saturate(140%) blur(10px);
	-webkit-backdrop-filter: saturate(140%) blur(10px);
	border-bottom-color: var(--c-hairline-2);
}

/* Drop the fixed header below the WordPress admin bar when logged in. */
body.admin-bar .site-header { top: 32px; }
@media screen and (max-width: 782px) {
	body.admin-bar .site-header { top: 46px; }
}

.site-header__inner {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 1.5rem;
	width: 100%;
}

.brand {
	display: inline-flex;
	align-items: center;
	gap: 0.7rem;
	font-family: var(--font-serif);
	font-weight: 400;
	font-size: 1.16rem;
	letter-spacing: 0.01em;
	color: var(--c-soft-white);
	white-space: nowrap;
}
.brand__mark { width: 20px; height: 20px; flex: 0 0 auto; }
.brand__amp { color: var(--c-gold); font-style: italic; padding: 0 0.06em; }

.site-nav { display: flex; align-items: center; }

.menu {
	list-style: none;
	display: flex;
	align-items: center;
	gap: 2.1rem;
	margin: 0;
	padding: 0;
}
.menu a {
	font-family: var(--font-sans);
	font-size: 0.86rem;
	font-weight: 500;
	letter-spacing: 0.03em;
	color: var(--c-silver);
	position: relative;
	padding: 0.4rem 0;
	transition: color 0.3s var(--ease);
}
.menu a::after {
	content: "";
	position: absolute;
	left: 0; bottom: -2px;
	width: 100%; height: 1px;
	background: var(--c-gold);
	transform: scaleX(0);
	transform-origin: left;
	transition: transform 0.35s var(--ease);
}
.menu a:hover,
.menu a.is-active { color: var(--c-soft-white); }
.menu a:hover::after,
.menu a.is-active::after { transform: scaleX(1); }

.menu .menu__cta {
	color: var(--c-gold);
	border: 1px solid var(--c-hairline);
	border-radius: 2px;
	padding: 0.6rem 1.05rem;
	transition: border-color 0.3s var(--ease), color 0.3s var(--ease), background 0.3s var(--ease);
}
.menu .menu__cta::after { display: none; }
.menu .menu__cta:hover { border-color: var(--c-gold); color: var(--c-ink); background: var(--c-gold); }

/* Hamburger toggle (hidden on desktop) */
.nav-toggle {
	display: none;
	width: 44px; height: 44px;
	align-items: center;
	justify-content: center;
	background: transparent;
	border: 1px solid var(--c-hairline);
	border-radius: 2px;
	cursor: pointer;
	padding: 0;
	z-index: 1000;
}
.nav-toggle__bars,
.nav-toggle__bars::before,
.nav-toggle__bars::after {
	content: "";
	display: block;
	width: 18px; height: 1.5px;
	background: var(--c-soft-white);
	transition: transform 0.35s var(--ease), opacity 0.2s var(--ease);
}
.nav-toggle__bars { position: relative; }
.nav-toggle__bars::before { position: absolute; top: -6px; left: 0; }
.nav-toggle__bars::after  { position: absolute; top: 6px;  left: 0; }

/* ----------------------------------------------------------------------- */
/* 6. Mobile menu overlay                                                  */
/* (Desktop styles above; the overlay state activates at the breakpoint.)  */

/* ----------------------------------------------------------------------- */
/* 7. Hero                                                                 */
.hero {
	min-height: 100svh;
	display: flex;
	flex-direction: column;
	padding-top: calc(var(--header-h) + clamp(2rem, 6vw, 4rem));
	padding-bottom: clamp(3rem, 8vw, 6rem);
	position: relative;
	overflow: hidden;
}
/* Auto margins center the content when there is room, but collapse to 0 when
   content is taller than the viewport — so the top is never hidden behind the
   fixed header (or the WP admin bar). */
.hero > .container { margin-block: auto; width: 100%; }
/* Faint vertical shard seam running through the hero */
.hero::before {
	content: "";
	position: absolute;
	top: 0; bottom: 0;
	left: clamp(1.25rem, 5vw, 3rem);
	width: 1px;
	background: linear-gradient(180deg, transparent, var(--c-hairline) 22%, var(--c-hairline) 78%, transparent);
	opacity: 0.7;
}
@media (min-width: 1024px) {
	.hero::before { left: max(calc((100vw - var(--container)) / 2 + 3rem), 3rem); }
}

.hero__inner { max-width: 44rem; }
.hero h1 {
	font-size: var(--fs-hero);
	line-height: 1.02;
	letter-spacing: -0.018em;
	margin-bottom: 1.6rem;
	max-width: 16ch;
}
.hero h1 em { font-style: italic; color: var(--c-gold); }
.hero__sub {
	font-size: var(--fs-lead);
	line-height: 1.55;
	color: var(--c-silver);
	max-width: 46ch;
	margin-bottom: 2.4rem;
	font-family: var(--font-sans);
	font-weight: 400;
}
.hero__cta { display: flex; flex-wrap: wrap; gap: 0.9rem; }

/* tiny meta line under the hero (founded year) */
.hero__meta {
	margin-top: clamp(2.5rem, 6vw, 4rem);
	display: inline-flex;
	align-items: center;
	gap: 0.8rem;
	font-family: var(--font-sans);
	font-size: var(--fs-eyebrow);
	letter-spacing: 0.22em;
	text-transform: uppercase;
	color: var(--c-silver);
}
.hero__meta span { width: 28px; height: 1px; background: var(--c-gold); display: inline-block; }

/* ----------------------------------------------------------------------- */
/* 8. Positioning                                                          */
.positioning__grid {
	display: grid;
	grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
	gap: clamp(2rem, 6vw, 5rem);
	align-items: start;
}
.positioning__body p { color: var(--c-silver); }
.positioning__body p + p { margin-top: 1.25rem; }
.positioning__aside {
	border-left: 1px solid var(--c-hairline);
	padding-left: clamp(1.5rem, 3vw, 2.5rem);
}
.positioning__aside .stat { margin-bottom: 2rem; }
.positioning__aside .stat:last-child { margin-bottom: 0; }
.positioning__aside .stat dt {
	font-family: var(--font-sans);
	font-size: var(--fs-eyebrow);
	letter-spacing: 0.18em;
	text-transform: uppercase;
	color: var(--c-gold);
	margin-bottom: 0.5rem;
}
.positioning__aside .stat dd {
	margin: 0;
	font-family: var(--font-serif);
	font-size: 1.15rem;
	color: var(--c-soft-white);
	line-height: 1.4;
}

/* ----------------------------------------------------------------------- */
/* 9. Practice areas                                                       */
.cards {
	display: grid;
	grid-template-columns: repeat(3, 1fr);
	gap: 1px;
	background: var(--c-hairline-2);
	border: 1px solid var(--c-hairline-2);
}
.card {
	background: var(--c-ink);
	padding: clamp(1.75rem, 3vw, 2.5rem);
	display: flex;
	flex-direction: column;
	gap: 0.9rem;
	position: relative;
	transition: background 0.4s var(--ease);
	min-height: 220px;
}
.card::before {
	content: "";
	position: absolute;
	top: 0; left: 0;
	width: 100%; height: 2px;
	background: var(--c-gold);
	transform: scaleX(0);
	transform-origin: left;
	transition: transform 0.45s var(--ease);
}
.card:hover { background: var(--c-graphite); }
.card:hover::before { transform: scaleX(1); }
.card__index {
	font-family: var(--font-sans);
	font-size: var(--fs-eyebrow);
	letter-spacing: 0.18em;
	color: var(--c-gold-dim);
}
.card h3 { font-size: var(--fs-h3); font-weight: 500; margin: 0; letter-spacing: -0.005em; }
.card p { color: var(--c-silver); font-size: var(--fs-small); margin: 0; }

/* ----------------------------------------------------------------------- */
/* 10. Approach (a real sequence — numbered markers earn their place here) */
.steps { display: grid; gap: 1px; background: var(--c-hairline-2); }
.step {
	background: var(--c-ink);
	display: grid;
	grid-template-columns: minmax(0, auto) 1fr;
	gap: clamp(1.5rem, 4vw, 3.5rem);
	align-items: baseline;
	padding: clamp(1.75rem, 4vw, 2.75rem) 0;
}
.step:first-child { padding-top: 0; }
.step__num {
	font-family: var(--font-serif);
	font-size: clamp(1.6rem, 3vw, 2.4rem);
	font-weight: 300;
	color: var(--c-gold);
	line-height: 1;
	min-width: 2.4ch;
}
.step__num small {
	font-size: 0.7rem;
	vertical-align: super;
	color: var(--c-gold-dim);
	letter-spacing: 0.1em;
}
.step__body h3 { font-size: clamp(1.3rem, 2.2vw, 1.7rem); margin-bottom: 0.55rem; }
.step__body p { color: var(--c-silver); margin: 0; }

/* ----------------------------------------------------------------------- */
/* 11. Clients                                                             */
.clients__grid {
	display: grid;
	grid-template-columns: repeat(4, 1fr);
	gap: 1px;
	background: var(--c-hairline-2);
	border: 1px solid var(--c-hairline-2);
	margin-top: 1rem;
}
.client {
	background: var(--c-ink);
	padding: clamp(1.5rem, 3vw, 2.25rem);
	transition: background 0.4s var(--ease);
}
.client:hover { background: var(--c-graphite); }
.client__label {
	font-family: var(--font-serif);
	font-size: 1.2rem;
	color: var(--c-soft-white);
	margin-bottom: 0.5rem;
}
.client p { font-size: var(--fs-small); color: var(--c-silver); margin: 0; }

/* ----------------------------------------------------------------------- */
/* 12. Contact & form                                                      */
.contact { position: relative; }
.contact__grid {
	display: grid;
	grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
	gap: clamp(2.5rem, 6vw, 5rem);
	align-items: start;
}
.contact h2 { font-size: var(--fs-h2); max-width: 18ch; }
.contact__intro { color: var(--c-silver); margin-bottom: 2.25rem; }

.contact__details { list-style: none; margin: 0; padding: 0; }
.contact__details li {
	display: flex;
	flex-direction: column;
	gap: 0.2rem;
	padding: 1.1rem 0;
	border-top: 1px solid var(--c-hairline-2);
}
.contact__details li:last-child { border-bottom: 1px solid var(--c-hairline-2); }
.contact__details .label {
	font-family: var(--font-sans);
	font-size: var(--fs-eyebrow);
	letter-spacing: 0.18em;
	text-transform: uppercase;
	color: var(--c-gold);
}
.contact__details .value { color: var(--c-soft-white); font-size: 1.02rem; }
.contact__details a.value:hover { color: var(--c-gold); }

/* Form */
.form { display: grid; gap: 1.2rem; }
.form__row { display: grid; gap: 1.2rem; }
@media (min-width: 560px) { .form__row { grid-template-columns: 1fr 1fr; } }

.field { display: flex; flex-direction: column; gap: 0.5rem; }
.field label {
	font-family: var(--font-sans);
	font-size: 0.78rem;
	letter-spacing: 0.12em;
	text-transform: uppercase;
	color: var(--c-silver);
}
.field input,
.field textarea {
	font-family: var(--font-sans);
	font-size: 1rem;
	color: var(--c-soft-white);
	background: var(--c-charcoal);
	border: 1px solid var(--c-hairline);
	border-radius: 2px;
	padding: 0.85rem 1rem;
	width: 100%;
	transition: border-color 0.3s var(--ease), background 0.3s var(--ease);
}
.field textarea { resize: vertical; min-height: 130px; }
.field input::placeholder,
.field textarea::placeholder { color: #595c63; }
.field input:focus,
.field textarea:focus {
	outline: none;
	border-color: var(--c-gold);
	background: var(--c-graphite);
}

/* Honeypot — visually & functionally hidden from humans */
.field--hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

.form__actions { display: flex; align-items: center; gap: 1.25rem; flex-wrap: wrap; }
.form__note { font-size: var(--fs-small); color: var(--c-silver); margin: 0; }

.form-message {
	border: 1px solid var(--c-gold);
	background: rgba(183, 154, 107, 0.08);
	color: var(--c-soft-white);
	padding: 0.9rem 1.1rem;
	border-radius: 2px;
	font-size: var(--fs-small);
}
.form-message--error { border-color: #7a4a4a; background: rgba(122, 74, 74, 0.12); }

/* ----------------------------------------------------------------------- */
/* 13. Site footer                                                         */
.site-footer {
	border-top: 1px solid var(--c-hairline-2);
	padding-block: clamp(2.5rem, 5vw, 3.5rem);
}
.site-footer__inner {
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	justify-content: space-between;
	gap: 1.5rem;
}
.site-footer .brand { font-size: 1.05rem; }
.site-footer__meta {
	font-size: var(--fs-small);
	color: var(--c-silver);
	display: flex;
	flex-wrap: wrap;
	gap: 0.4rem 1.4rem;
	align-items: center;
}
.site-footer__meta a:hover { color: var(--c-gold); }
.to-top {
	font-family: var(--font-sans);
	font-size: var(--fs-eyebrow);
	letter-spacing: 0.18em;
	text-transform: uppercase;
	color: var(--c-silver);
	display: inline-flex;
	align-items: center;
	gap: 0.6rem;
	transition: color 0.3s var(--ease);
}
.to-top:hover { color: var(--c-gold); }

/* ----------------------------------------------------------------------- */
/* 14. Reveal animation utilities                                          */
.reveal {
	opacity: 0;
	transform: translateY(18px);
	transition: opacity 0.8s var(--ease), transform 0.8s var(--ease);
	will-change: opacity, transform;
}
.reveal.is-visible { opacity: 1; transform: none; }
.reveal[data-delay="1"] { transition-delay: 0.08s; }
.reveal[data-delay="2"] { transition-delay: 0.16s; }
.reveal[data-delay="3"] { transition-delay: 0.24s; }

/* ----------------------------------------------------------------------- */
/* 15. Responsive                                                          */
@media (max-width: 980px) {
	.positioning__grid { grid-template-columns: 1fr; }
	.positioning__aside { border-left: 0; border-top: 1px solid var(--c-hairline); padding-left: 0; padding-top: 2rem; }
	.cards { grid-template-columns: repeat(2, 1fr); }
	.clients__grid { grid-template-columns: repeat(2, 1fr); }
	.contact__grid { grid-template-columns: 1fr; }
}

@media (max-width: 760px) {
	/* Switch to mobile navigation */
	.nav-toggle { display: inline-flex; }

	.menu {
		position: fixed;
		inset: 0;
		flex-direction: column;
		align-items: flex-start;
		justify-content: center;
		gap: 0.75rem;
		padding: 6rem clamp(1.5rem, 8vw, 3rem) 3rem;
		background: var(--c-ink);
		transform: translateX(100%);
		transition: transform 0.5s var(--ease);
		z-index: 950;
		border-left: 1px solid var(--c-hairline);
	}
	.menu.is-open { transform: translateX(0); }
	.menu a { font-family: var(--font-serif); font-size: 1.8rem; color: var(--c-soft-white); padding: 0.35rem 0; }
	.menu a::after { bottom: 2px; }
	.menu .menu__cta {
		margin-top: 1rem;
		font-family: var(--font-sans);
		font-size: 0.95rem;
		padding: 0.85rem 1.4rem;
		border-color: var(--c-gold);
		color: var(--c-gold);
	}

	body.menu-open { overflow: hidden; }

	/* Animate hamburger into a close (×) */
	.nav-toggle[aria-expanded="true"] { z-index: 960; }
	.nav-toggle[aria-expanded="true"] .nav-toggle__bars { background: transparent; }
	.nav-toggle[aria-expanded="true"] .nav-toggle__bars::before { transform: translateY(6px) rotate(45deg); }
	.nav-toggle[aria-expanded="true"] .nav-toggle__bars::after  { transform: translateY(-6px) rotate(-45deg); }
}

@media (max-width: 600px) {
	.cards { grid-template-columns: 1fr; }
	.clients__grid { grid-template-columns: 1fr; }
	.step { grid-template-columns: 1fr; gap: 0.5rem; }
	.step__num { font-size: 1.5rem; }
	.hero__cta .btn { flex: 1 1 auto; justify-content: center; }
}

/* ----------------------------------------------------------------------- */
/* 16. Reduced motion & focus                                              */
:where(a, button, input, textarea, [tabindex]):focus-visible {
	outline: 2px solid var(--c-gold);
	outline-offset: 3px;
	border-radius: 2px;
}

@media (prefers-reduced-motion: reduce) {
	html { scroll-behavior: auto; }
	*, *::before, *::after {
		animation-duration: 0.001ms !important;
		animation-iteration-count: 1 !important;
		transition-duration: 0.001ms !important;
		scroll-behavior: auto !important;
	}
	.reveal { opacity: 1; transform: none; }
}