/* =================================================================
   ALCHEMY CODE LABS — Brutalist / Industrialist theme
   Palette: bone concrete, near-black ink, hazard orange accent.
   Type: Anton (display) · Archivo (body) · Space Mono (technical)
   ================================================================= */

:root {
	--concrete:   #e7e3d8;   /* page background — warm bone */
	--concrete-2: #dcd7c9;   /* slightly darker panel */
	--paper:      #f3f0e7;   /* lifted card surface */
	--ink:        #14130f;   /* near-black text */
	--ink-soft:   #4a473d;   /* muted text */
	--steel:      #8a8678;   /* faint labels / lines */
	--hazard:     #6ec5c2;   /* the one accent */
	--hazard-ink: #0c1b1a;   /* text on hazard */
	--line:       #14130f;   /* hard rule colour */
	--line-soft:  rgba(20, 19, 15, 0.14);

	--shell:      1240px;
	--gap:        clamp(20px, 4vw, 64px);
	--border:     2px solid var(--ink);
	--shadow-hard: 6px 6px 0 var(--ink);

	--font-display: 'Anton', 'Arial Narrow', sans-serif;
	--font-body:    'Archivo', system-ui, sans-serif;
	--font-mono:    'Space Mono', ui-monospace, monospace;
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
	margin: 0;
	font-family: var(--font-body);
	background: var(--concrete);
	color: var(--ink);
	line-height: 1.55;
	font-size: 17px;
	font-weight: 450;
	-webkit-font-smoothing: antialiased;
	overflow-x: hidden;
	/* faint grain */
	background-image:
		repeating-linear-gradient(0deg, transparent, transparent 2px, rgba(20,19,15,0.012) 2px, rgba(20,19,15,0.012) 4px);
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul, ol { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, h4 { margin: 0; }
button { font: inherit; cursor: pointer; }
::selection { background: var(--hazard); color: var(--hazard-ink); }

.avc-skip-link {
	position: absolute; left: -9999px; top: 0;
	background: var(--ink); color: var(--concrete);
	padding: 12px 18px; z-index: 200; font-family: var(--font-mono);
}
.avc-skip-link:focus { left: 12px; top: 12px; }

/* ---------- Layout shell ---------- */
.avc-shell { width: 100%; max-width: var(--shell); margin-inline: auto; padding-inline: var(--gap); }
.avc-main { display: block; }

/* ---------- Shared bits ---------- */
.avc-mono { font-family: var(--font-mono); }

.avc-eyebrow {
	font-family: var(--font-mono);
	font-size: 0.78rem;
	letter-spacing: 0.22em;
	text-transform: uppercase;
	color: var(--hazard);
	margin: 0 0 1rem;
	display: inline-flex; align-items: center;
}

.avc-grid-bg {
	position: absolute; inset: 0; pointer-events: none; z-index: 0;
	background-image:
		linear-gradient(var(--line-soft) 1px, transparent 1px),
		linear-gradient(90deg, var(--line-soft) 1px, transparent 1px);
	background-size: 56px 56px;
	mask-image: radial-gradient(ellipse 90% 80% at 50% 0%, #000 35%, transparent 80%);
}
.avc-grid-bg--light {
	background-image:
		linear-gradient(rgba(231,227,216,0.10) 1px, transparent 1px),
		linear-gradient(90deg, rgba(231,227,216,0.10) 1px, transparent 1px);
}

/* ---------- Buttons ---------- */
.avc-btn {
	display: inline-flex; align-items: center; gap: 0.6em;
	font-family: var(--font-mono);
	font-size: 0.82rem; font-weight: 700;
	letter-spacing: 0.08em; text-transform: uppercase;
	padding: 0.85em 1.3em;
	border: var(--border);
	background: var(--paper); color: var(--ink);
	border-radius: 0;
	transition: transform 0.12s ease, box-shadow 0.12s ease, background 0.12s ease, color 0.12s ease;
	white-space: nowrap;
}
.avc-btn .avc-icon { transition: transform 0.15s ease; }
.avc-btn:hover { transform: translate(-2px, -2px); box-shadow: var(--shadow-hard); }
.avc-btn:hover .avc-icon { transform: translateX(3px); }
.avc-btn:active { transform: translate(0, 0); box-shadow: 3px 3px 0 var(--ink); }
.avc-btn--solid { background: var(--hazard); color: var(--hazard-ink); border-color: var(--ink); }
.avc-btn--solid:hover { box-shadow: var(--shadow-hard); }
.avc-btn--ghost { background: transparent; }
.avc-btn--lg { font-size: 0.9rem; padding: 1.05em 1.7em; }

/* =================================================================
   HEADER
   ================================================================= */
.avc-header {
	position: sticky; top: 0; z-index: 100;
	background: rgba(231, 227, 216, 0.82);
	backdrop-filter: blur(8px);
	border-bottom: var(--border);
	transition: transform 0.3s ease;
}
.avc-header.is-hidden { transform: translateY(-100%); }
.avc-header__inner {
	display: flex; align-items: center; justify-content: space-between;
	gap: 24px; height: 72px;
}
.avc-brand { display: flex; align-items: center; gap: 12px; }
.avc-brand__logo { height: 38px; width: auto; display: block; }
.avc-brand__mark {
	display: grid; place-items: center;
	width: 40px; height: 40px;
	background: var(--ink); color: var(--hazard);
	border: var(--border);
}
.avc-brand__text { display: flex; flex-direction: column; line-height: 1; }
.avc-brand__name { font-family: var(--font-display); font-size: 1.15rem; letter-spacing: 0.02em; text-transform: uppercase; }
.avc-brand__tag { font-family: var(--font-mono); font-size: 0.6rem; letter-spacing: 0.16em; color: var(--ink-soft); margin-top: 3px; }

.avc-nav__list { display: flex; gap: 4px; }
.avc-nav__link {
	display: block;
	font-family: var(--font-mono); font-size: 0.8rem;
	letter-spacing: 0.06em; text-transform: uppercase;
	padding: 0.55em 0.9em; position: relative;
	color: var(--ink-soft);
	transition: color 0.12s ease;
}
.avc-nav__link::after {
	content: ""; position: absolute; left: 0.9em; right: 0.9em; bottom: 0.4em;
	height: 2px; background: var(--hazard); transform: scaleX(0); transform-origin: left;
	transition: transform 0.18s ease;
}
.avc-nav__link:hover { color: var(--ink); }
.avc-nav__link:hover::after { transform: scaleX(1); }

.avc-header__actions { display: flex; align-items: center; gap: 12px; }
.avc-burger { display: none; background: var(--paper); border: var(--border); padding: 8px; color: var(--ink); }

/* =================================================================
   HERO
   ================================================================= */
.avc-hero { position: relative; padding: clamp(48px, 9vw, 120px) 0 clamp(56px, 9vw, 120px); overflow: hidden; border-bottom: var(--border); }
.avc-hero__inner { position: relative; z-index: 1; }
.avc-hero__meta {
	display: inline-flex; align-items: center; gap: 10px;
	font-family: var(--font-mono); font-size: 0.74rem;
	letter-spacing: 0.18em; text-transform: uppercase; color: var(--ink-soft);
	border: var(--border); padding: 0.5em 0.9em; background: var(--paper);
	margin-bottom: clamp(28px, 5vw, 56px);
}
.avc-tick { width: 9px; height: 9px; background: var(--hazard); display: inline-block; animation: avc-blink 1.4s steps(2) infinite; }
@keyframes avc-blink { 50% { opacity: 0.15; } }

.avc-hero__title {
	font-family: var(--font-display);
	font-weight: 400;
	font-size: clamp(3.4rem, 13vw, 12rem);
	line-height: 0.86;
	letter-spacing: -0.01em;
	text-transform: uppercase;
	margin: 0;
}
.avc-hero__line { display: block; }
.avc-hero__line--accent { color: var(--hazard); -webkit-text-stroke: 0; }

.avc-hero__body {
	display: grid; grid-template-columns: 1.1fr 1fr; gap: var(--gap);
	align-items: end; margin-top: clamp(28px, 4vw, 48px);
	padding-top: 28px; border-top: var(--border);
}
.avc-hero__lede { font-size: clamp(1.05rem, 1.6vw, 1.3rem); max-width: 46ch; margin: 0; color: var(--ink-soft); }
.avc-hero__actions { display: flex; gap: 14px; flex-wrap: wrap; justify-content: flex-end; }

/* Stat strip */
.avc-stats {
	display: grid; grid-template-columns: repeat(4, 1fr);
	margin: clamp(48px, 7vw, 96px) 0 0;
	border: var(--border); border-bottom: none;
}
.avc-stats__cell { padding: clamp(20px, 3vw, 36px); border-right: var(--border); border-bottom: var(--border); }
.avc-stats__cell:last-child { border-right: none; }
.avc-stats__label { font-family: var(--font-mono); font-size: 0.7rem; letter-spacing: 0.14em; color: var(--ink-soft); text-transform: uppercase; }
.avc-stats__num { font-family: var(--font-display); font-size: clamp(2.4rem, 5vw, 4rem); line-height: 1; margin: 0.3em 0 0; }

/* =================================================================
   MARQUEE
   ================================================================= */
.avc-marquee {
	border-block: var(--border);
	background: var(--ink); color: var(--concrete);
	overflow: hidden; margin-top: clamp(40px, 6vw, 80px); padding: 16px 0;
}
.avc-marquee__track {
	display: flex; align-items: center; gap: 28px; width: max-content;
	animation: avc-scroll 38s linear infinite;
	font-family: var(--font-display); font-size: 1.5rem; text-transform: uppercase; letter-spacing: 0.04em;
}
.avc-marquee__sep { color: var(--hazard); }
@keyframes avc-scroll { to { transform: translateX(-50%); } }
@media (prefers-reduced-motion: reduce) { .avc-marquee__track { animation: none; } }

/* =================================================================
   SECTIONS
   ================================================================= */
.avc-section { position: relative; padding: clamp(64px, 10vw, 140px) 0; border-bottom: var(--border); }
.avc-section--invert { background: var(--ink); color: var(--concrete); overflow: hidden; }
.avc-section--invert .avc-eyebrow { color: var(--hazard); }
.avc-section__head { margin-bottom: clamp(40px, 6vw, 72px); position: relative; z-index: 1; }
.avc-section__title {
	font-family: var(--font-display); font-weight: 400;
	font-size: clamp(2.2rem, 6vw, 4.6rem); line-height: 0.95;
	text-transform: uppercase; letter-spacing: -0.01em; max-width: 18ch;
}

/* ---------- Services grid ---------- */
.avc-services {
	display: grid; grid-template-columns: repeat(3, 1fr);
	border: var(--border); border-right: none; border-bottom: none;
}
.avc-service {
	position: relative; padding: clamp(26px, 3vw, 40px);
	border-right: var(--border); border-bottom: var(--border);
	background: var(--concrete);
	transition: background 0.18s ease, color 0.18s ease;
}
.avc-service:hover { background: var(--hazard); color: var(--hazard-ink); }
.avc-service__no { position: absolute; top: 18px; right: 20px; font-family: var(--font-mono); font-size: 0.78rem; color: var(--steel); }
.avc-service:hover .avc-service__no { color: var(--hazard-ink); }
.avc-service__icon { display: inline-grid; place-items: center; width: 56px; height: 56px; border: var(--border); margin-bottom: 22px; background: var(--paper); }
.avc-service:hover .avc-service__icon { background: var(--hazard-ink); color: var(--hazard); border-color: var(--hazard-ink); }
.avc-service__title { font-family: var(--font-display); font-weight: 400; font-size: 1.5rem; text-transform: uppercase; letter-spacing: 0.01em; margin-bottom: 0.5em; }
.avc-service__desc { font-size: 0.98rem; color: var(--ink-soft); margin: 0; }
.avc-service:hover .avc-service__desc { color: var(--hazard-ink); }

/* ---------- Process ---------- */
.avc-process { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; border: 2px solid var(--concrete); border-right: none; border-bottom: none; position: relative; z-index: 1; }
.avc-step { padding: clamp(24px, 3vw, 38px); border-right: 2px solid rgba(231,227,216,0.28); border-bottom: 2px solid rgba(231,227,216,0.28); position: relative; }
.avc-step__no { font-family: var(--font-mono); font-size: 0.8rem; color: var(--hazard); display: block; margin-bottom: 20px; }
.avc-step__icon { display: inline-grid; place-items: center; width: 50px; height: 50px; border: 2px solid var(--concrete); margin-bottom: 20px; color: var(--concrete); }
.avc-step__title { font-family: var(--font-display); font-weight: 400; font-size: 1.4rem; text-transform: uppercase; margin-bottom: 0.5em; }
.avc-step__desc { font-size: 0.95rem; color: rgba(231,227,216,0.72); margin: 0; }

/* ---------- Work / cases ---------- */
.avc-work { display: grid; grid-template-columns: repeat(2, 1fr); gap: 0; border: var(--border); border-right: none; border-bottom: none; }
.avc-case {
	padding: clamp(28px, 3.5vw, 48px);
	border-right: var(--border); border-bottom: var(--border);
	background: var(--paper);
	transition: transform 0.16s ease, box-shadow 0.16s ease;
	cursor: pointer;
}
.avc-case:hover { background: var(--concrete-2); }
.avc-case__top { display: flex; align-items: center; justify-content: space-between; margin-bottom: 28px; }
.avc-case__tag { font-family: var(--font-mono); font-size: 0.72rem; letter-spacing: 0.16em; padding: 0.35em 0.7em; border: var(--border); background: var(--ink); color: var(--concrete); }
.avc-case__icon { color: var(--hazard); }
.avc-case__title { font-family: var(--font-display); font-weight: 400; font-size: clamp(1.6rem, 3vw, 2.4rem); text-transform: uppercase; line-height: 0.95; margin-bottom: 0.5em; }
.avc-case__desc { color: var(--ink-soft); margin: 0 0 1.6em; max-width: 40ch; }
.avc-case__more { display: inline-flex; align-items: center; gap: 0.5em; font-family: var(--font-mono); font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.1em; color: var(--hazard); }
.avc-case:hover .avc-case__more .avc-icon { transform: translate(2px, -2px); }
.avc-case__more .avc-icon { transition: transform 0.15s ease; }

/* ---------- Split / principles ---------- */
.avc-section--split { background: var(--concrete-2); }
.avc-split { display: grid; grid-template-columns: 1.1fr 1fr; gap: var(--gap); align-items: center; }
.avc-split__text { font-size: 1.1rem; color: var(--ink-soft); margin-top: 1.5em; max-width: 44ch; }
.avc-principles { border-top: var(--border); }
.avc-principle {
	display: flex; align-items: center; gap: 16px;
	padding: 1.1em 0; border-bottom: var(--border);
	font-family: var(--font-display); font-weight: 400; font-size: clamp(1.1rem, 2vw, 1.6rem);
	text-transform: uppercase; letter-spacing: 0.01em;
}
.avc-principle__check { display: grid; place-items: center; width: 34px; height: 34px; flex: none; background: var(--hazard); color: var(--hazard-ink); border: var(--border); }

/* =================================================================
   FOOTER
   ================================================================= */
.avc-footer { background: var(--ink); color: var(--concrete); padding: clamp(64px, 9vw, 120px) 0 40px; }
.avc-footer__cta { text-align: center; padding-bottom: clamp(48px, 7vw, 90px); border-bottom: 2px solid rgba(231,227,216,0.18); }
.avc-footer__cta .avc-eyebrow { justify-content: center; }
.avc-footer__headline { font-family: var(--font-display); font-weight: 400; font-size: clamp(2rem, 6vw, 5rem); text-transform: uppercase; line-height: 0.92; margin: 0.2em auto 1em; max-width: 16ch; }
.avc-footer__grid { display: grid; grid-template-columns: 2fr 1fr; gap: var(--gap); padding: clamp(40px, 6vw, 72px) 0; }
.avc-footer__logo { height: 56px; width: auto; margin-bottom: 22px; }
.avc-footer__name { font-family: var(--font-display); font-size: 1.4rem; text-transform: uppercase; margin: 0 0 0.6em; }
.avc-footer__blurb { color: rgba(231,227,216,0.6); max-width: 40ch; margin: 0; font-size: 0.95rem; }
.avc-footer__title { font-family: var(--font-mono); font-size: 0.74rem; letter-spacing: 0.18em; color: var(--hazard); margin-bottom: 1.4em; }
.avc-footer__list li { margin-bottom: 0.9em; }
.avc-footer__list a { display: inline-flex; align-items: center; gap: 0.6em; color: rgba(231,227,216,0.78); font-size: 0.95rem; transition: color 0.12s ease; }
.avc-footer__list a:hover { color: var(--hazard); }
.avc-footer__bar { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; padding-top: 32px; border-top: 2px solid rgba(231,227,216,0.18); font-family: var(--font-mono); font-size: 0.74rem; letter-spacing: 0.08em; color: rgba(231,227,216,0.5); text-transform: uppercase; }

/* =================================================================
   ARTICLES / BLOG / 404
   ================================================================= */
.avc-article__inner, .avc-prose { max-width: 760px; }
.avc-prose { font-size: 1.1rem; }
.avc-prose p { margin: 0 0 1.4em; }
.avc-prose h2, .avc-prose h3 { font-family: var(--font-display); font-weight: 400; text-transform: uppercase; margin: 1.6em 0 0.5em; }
.avc-prose a { color: var(--hazard); text-decoration: underline; text-underline-offset: 3px; }
.avc-prose blockquote { border-left: 4px solid var(--hazard); margin: 1.6em 0; padding-left: 1.2em; font-style: italic; color: var(--ink-soft); }
.avc-prose code { font-family: var(--font-mono); background: var(--concrete-2); padding: 0.15em 0.4em; font-size: 0.9em; }

.avc-posts { display: grid; gap: 0; border: var(--border); border-bottom: none; }
.avc-post { padding: clamp(24px, 3vw, 40px); border-bottom: var(--border); }
.avc-post__date { font-size: 0.76rem; letter-spacing: 0.12em; color: var(--steel); text-transform: uppercase; }
.avc-post__title { font-family: var(--font-display); font-weight: 400; font-size: clamp(1.6rem, 3vw, 2.6rem); text-transform: uppercase; margin: 0.3em 0; }
.avc-post__title a:hover { color: var(--hazard); }
.avc-post__excerpt { color: var(--ink-soft); }
.avc-post__more { display: inline-flex; align-items: center; gap: 0.5em; font-family: var(--font-mono); font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.1em; color: var(--hazard); margin-top: 1em; }
.avc-pagination { margin-top: 40px; font-family: var(--font-mono); }
.avc-pagination a, .avc-pagination .current { padding: 0.6em 1em; border: var(--border); margin-right: 8px; display: inline-block; }
.avc-pagination .current { background: var(--ink); color: var(--concrete); }

.avc-404 { text-align: center; }
.avc-404__inner { display: flex; flex-direction: column; align-items: center; }
.avc-404__code { font-family: var(--font-display); font-size: clamp(6rem, 22vw, 18rem); line-height: 0.8; color: var(--hazard); margin: 0 0 0.1em; }

.avc-empty { font-family: var(--font-mono); color: var(--ink-soft); }

/* =================================================================
   REVEAL ANIMATION
   ================================================================= */
[data-reveal] { opacity: 0; transform: translateY(24px); transition: opacity 0.6s ease, transform 0.6s ease; }
[data-reveal].is-visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { [data-reveal] { opacity: 1; transform: none; transition: none; } }

/* =================================================================
   RESPONSIVE
   ================================================================= */
@media (max-width: 1024px) {
	.avc-services { grid-template-columns: repeat(2, 1fr); }
	.avc-process { grid-template-columns: repeat(2, 1fr); }
	.avc-footer__grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 860px) {
	.avc-nav { position: fixed; inset: 72px 0 auto; background: var(--ink); border-bottom: var(--border); transform: translateY(-120%); transition: transform 0.3s ease; padding: 8px 0; }
	.avc-nav.is-open { transform: translateY(0); }
	.avc-nav__list { flex-direction: column; gap: 0; }
	.avc-nav__link { color: var(--concrete); padding: 1em var(--gap); font-size: 1rem; border-bottom: 2px solid rgba(231,227,216,0.12); }
	.avc-nav__link::after { display: none; }
	.avc-burger { display: inline-flex; }
	.avc-header__actions .avc-btn { display: none; }
	.avc-hero__body { grid-template-columns: 1fr; align-items: start; }
	.avc-hero__actions { justify-content: flex-start; }
	.avc-stats { grid-template-columns: repeat(2, 1fr); }
	.avc-stats__cell:nth-child(2) { border-right: none; }
	.avc-work { grid-template-columns: 1fr; }
	.avc-split { grid-template-columns: 1fr; }
	.avc-footer__grid { grid-template-columns: 1fr; }
	.avc-footer__bar { justify-content: flex-start; }
}
@media (max-width: 560px) {
	body { font-size: 16px; }
	.avc-services { grid-template-columns: 1fr; }
	.avc-process { grid-template-columns: 1fr; }
	.avc-stats { grid-template-columns: 1fr; }
	.avc-stats__cell { border-right: none; }
	.avc-hero__meta { font-size: 0.66rem; }
}