/* ============================================
   ACN Landing — Editorial / Refined Aesthetic
   ============================================ */

:root {
	--paper:    #f5f1e8;
	--ink:      #1a1614;
	--ink-soft: #2a2522;
	--rust:     #c8553d;
	--rust-dk:  #a8412c;
	--moss:     #4a5d3a;
	--muted:    #857d72;
	--cream:    #ebe4d4;
	--white:    #ffffff;

	--ff-display: "Fraunces", "Times New Roman", Georgia, serif;
	--ff-body:    "Inter Tight", system-ui, -apple-system, sans-serif;
	--ff-mono:    "JetBrains Mono", ui-monospace, SFMono-Regular, monospace;

	--maxw:    1240px;
	--gutter:  clamp(1.25rem, 4vw, 3rem);
	--section: clamp(4rem, 10vw, 8rem);

	--ease: cubic-bezier(0.22, 1, 0.36, 1);
}

/* Reset-ish */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
	margin: 0;
	background: var(--paper);
	color: var(--ink);
	font-family: var(--ff-body);
	font-size: 1.0625rem;
	line-height: 1.6;
	-webkit-font-smoothing: antialiased;
	-moz-osx-font-smoothing: grayscale;
	font-feature-settings: "ss01", "cv11";
}
img, svg { max-width: 100%; height: auto; display: block; }
a { color: var(--rust); text-decoration: none; transition: color .2s var(--ease); }
a:hover { color: var(--rust-dk); }

/* Selection */
::selection { background: var(--ink); color: var(--paper); }

/* Layout helpers */
.acn-wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 var(--gutter); }
.acn-section { padding-block: var(--section); }
.acn-section--tight { padding-block: clamp(2rem, 5vw, 4rem); }

/* Section number tag — small editorial detail */
.acn-eyebrow {
	display: inline-flex;
	align-items: center;
	gap: .75rem;
	font-family: var(--ff-mono);
	font-size: .75rem;
	letter-spacing: .15em;
	text-transform: uppercase;
	color: var(--muted);
	margin-bottom: 1.5rem;
}
.acn-eyebrow::before {
	content: "";
	width: 2rem;
	height: 1px;
	background: var(--muted);
}

/* ============================================
   HEADER
   ============================================ */
.acn-header {
	position: sticky;
	top: 0;
	z-index: 100;
	background: color-mix(in srgb, var(--paper) 92%, transparent);
	backdrop-filter: blur(12px);
	border-bottom: 1px solid transparent;
	transition: border-color .3s var(--ease);
}
.acn-header.is-scrolled { border-color: color-mix(in srgb, var(--ink) 10%, transparent); }
.acn-header__inner {
	display: flex;
	align-items: center;
	justify-content: space-between;
	padding-block: 1.25rem;
}
.acn-logo {
	font-family: var(--ff-display);
	font-size: 1.5rem;
	font-weight: 400;
	letter-spacing: -0.02em;
	color: var(--ink);
}
.acn-logo span { color: var(--rust); }

.acn-nav { display: flex; gap: 2rem; align-items: center; }
.acn-nav a {
	color: var(--ink);
	font-size: .95rem;
	font-weight: 500;
	position: relative;
}
.acn-nav a::after {
	content: "";
	position: absolute;
	left: 0; bottom: -4px;
	width: 0; height: 1px;
	background: var(--rust);
	transition: width .3s var(--ease);
}
.acn-nav a:hover { color: var(--ink); }
.acn-nav a:hover::after { width: 100%; }

.acn-nav__cta {
	background: var(--ink);
	color: var(--paper) !important;
	padding: .65rem 1.25rem;
	border-radius: 999px;
	font-size: .9rem;
	font-weight: 500;
}
.acn-nav__cta::after { display: none; }
.acn-nav__cta:hover { background: var(--rust); }

.acn-burger {
	display: none;
	width: 44px; height: 44px;
	background: none;
	border: 1px solid var(--ink);
	border-radius: 999px;
	cursor: pointer;
	align-items: center; justify-content: center;
}
.acn-burger span {
	display: block;
	width: 18px; height: 1.5px;
	background: var(--ink);
	position: relative;
}
.acn-burger span::before, .acn-burger span::after {
	content: ""; position: absolute; left: 0;
	width: 18px; height: 1.5px;
	background: var(--ink);
}
.acn-burger span::before { top: -6px; }
.acn-burger span::after  { top: 6px; }

@media (max-width: 768px) {
	.acn-nav { display: none; }
	.acn-burger { display: inline-flex; }
	.acn-nav.is-open {
		display: flex;
		position: absolute;
		top: 100%; left: 0; right: 0;
		flex-direction: column;
		padding: 2rem var(--gutter);
		background: var(--paper);
		border-bottom: 1px solid var(--cream);
	}
}

/* ============================================
   HERO
   ============================================ */
.acn-hero {
	position: relative;
	padding-top: clamp(3rem, 8vw, 6rem);
	padding-bottom: var(--section);
	overflow: hidden;
}
.acn-hero__inner { position: relative; z-index: 2; }
.acn-hero__kicker {
	font-family: var(--ff-mono);
	font-size: .8rem;
	letter-spacing: .2em;
	text-transform: uppercase;
	color: var(--muted);
	margin-bottom: 2rem;
	opacity: 0;
	animation: rise .8s var(--ease) .1s forwards;
}
.acn-hero__title {
	font-family: var(--ff-display);
	font-size: clamp(3rem, 8vw, 6.5rem);
	line-height: 0.98;
	letter-spacing: -0.035em;
	font-weight: 400;
	margin: 0 0 2rem;
	max-width: 16ch;
}
.acn-hero__title .italic {
	font-style: italic;
	color: var(--rust);
	font-variation-settings: "opsz" 144;
}
.acn-hero__title > * {
	display: block;
	opacity: 0;
	animation: rise 1s var(--ease) forwards;
}
.acn-hero__title > *:nth-child(1) { animation-delay: .2s; }
.acn-hero__title > *:nth-child(2) { animation-delay: .35s; }
.acn-hero__title > *:nth-child(3) { animation-delay: .5s; }

.acn-hero__lede {
	font-size: clamp(1.125rem, 1.5vw, 1.375rem);
	line-height: 1.5;
	color: var(--ink-soft);
	max-width: 52ch;
	margin: 0 0 2.5rem;
	opacity: 0;
	animation: rise .8s var(--ease) .7s forwards;
}
.acn-hero__cta-row {
	display: flex; gap: 1rem; flex-wrap: wrap;
	opacity: 0;
	animation: rise .8s var(--ease) .85s forwards;
}

/* Decorative hero element — a single drifting circle, very subtle */
.acn-hero__ornament {
	position: absolute;
	top: 8%; right: -10%;
	width: clamp(280px, 40vw, 520px);
	height: clamp(280px, 40vw, 520px);
	border-radius: 50%;
	background: radial-gradient(circle at 30% 30%, var(--rust) 0%, transparent 70%);
	opacity: 0.12;
	z-index: 1;
	animation: drift 18s ease-in-out infinite alternate;
}
.acn-hero__ornament-2 {
	position: absolute;
	bottom: 10%; left: -8%;
	width: clamp(200px, 25vw, 320px);
	height: clamp(200px, 25vw, 320px);
	border-radius: 50%;
	background: radial-gradient(circle at 70% 70%, var(--moss) 0%, transparent 70%);
	opacity: 0.08;
	z-index: 1;
	animation: drift 22s ease-in-out infinite alternate-reverse;
}

@keyframes rise {
	from { opacity: 0; transform: translateY(24px); }
	to   { opacity: 1; transform: translateY(0); }
}
@keyframes drift {
	from { transform: translate(0, 0) scale(1); }
	to   { transform: translate(-30px, 20px) scale(1.05); }
}

/* ============================================
   BUTTONS
   ============================================ */
.acn-btn {
	display: inline-flex;
	align-items: center;
	gap: .6rem;
	padding: 1rem 1.75rem;
	border-radius: 999px;
	font-family: var(--ff-body);
	font-size: .95rem;
	font-weight: 500;
	letter-spacing: -0.005em;
	border: 1px solid transparent;
	cursor: pointer;
	transition: all .25s var(--ease);
	text-decoration: none;
}
.acn-btn--primary { background: var(--ink); color: var(--paper); }
.acn-btn--primary:hover { background: var(--rust); color: var(--paper); transform: translateY(-2px); }

.acn-btn--ghost { background: transparent; color: var(--ink); border-color: var(--ink); }
.acn-btn--ghost:hover { background: var(--ink); color: var(--paper); }

.acn-btn__arrow {
	display: inline-block;
	transition: transform .25s var(--ease);
}
.acn-btn:hover .acn-btn__arrow { transform: translateX(4px); }

/* ============================================
   STATS / ACHIEVEMENTS
   ============================================ */
.acn-stats {
	background: var(--ink);
	color: var(--paper);
	padding-block: clamp(4rem, 8vw, 6rem);
}
.acn-stats__grid {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
	gap: 3rem 4rem;
}
.acn-stat {
	border-top: 1px solid color-mix(in srgb, var(--paper) 15%, transparent);
	padding-top: 1.5rem;
}
.acn-stat__value {
	font-family: var(--ff-display);
	font-size: clamp(3rem, 6vw, 4.5rem);
	line-height: 1;
	letter-spacing: -0.04em;
	color: var(--paper);
	margin-bottom: .75rem;
}
.acn-stat__value .unit {
	font-size: .5em;
	color: var(--rust);
	margin-left: .15em;
}
.acn-stat__label {
	font-size: .95rem;
	color: color-mix(in srgb, var(--paper) 70%, transparent);
	line-height: 1.4;
}

/* ============================================
   SERVICES
   ============================================ */
.acn-services__head {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: 4rem;
	margin-bottom: 4rem;
	align-items: end;
}
.acn-services__head h2 { margin: 0; }
.acn-services__head p { color: var(--muted); margin: 0; font-size: 1.1rem; line-height: 1.55; }

.acn-services__grid {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
	gap: 0;
	border-top: 1px solid color-mix(in srgb, var(--ink) 15%, transparent);
}
.acn-service {
	padding: 2.5rem 2rem 2.5rem 0;
	border-bottom: 1px solid color-mix(in srgb, var(--ink) 15%, transparent);
	border-right: 1px solid color-mix(in srgb, var(--ink) 15%, transparent);
	position: relative;
	transition: background .3s var(--ease);
}
.acn-service:hover { background: color-mix(in srgb, var(--cream) 50%, transparent); }
.acn-service:hover .acn-service__num { color: var(--rust); }
.acn-service:nth-child(3n) { border-right: none; }
.acn-service__num {
	font-family: var(--ff-mono);
	font-size: .8rem;
	color: var(--muted);
	display: block;
	padding-left: 2rem;
	margin-bottom: 1.5rem;
	transition: color .3s var(--ease);
}
.acn-service h3 {
	font-size: 1.5rem;
	margin: 0 0 .75rem;
	padding-left: 2rem;
}
.acn-service p {
	color: var(--ink-soft);
	margin: 0;
	padding-left: 2rem;
	font-size: .98rem;
	line-height: 1.55;
}

@media (max-width: 900px) {
	.acn-services__head { grid-template-columns: 1fr; gap: 1.5rem; }
	.acn-service:nth-child(3n) { border-right: 1px solid color-mix(in srgb, var(--ink) 15%, transparent); }
	.acn-service { border-right: none; }
}

/* ============================================
   CASE STUDIES
   ============================================ */
.acn-cases__grid {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
	gap: 2rem;
}
.acn-case {
	background: var(--white);
	border-radius: 4px;
	overflow: hidden;
	transition: transform .4s var(--ease), box-shadow .4s var(--ease);
	display: flex; flex-direction: column;
}
.acn-case:hover {
	transform: translateY(-6px);
	box-shadow: 0 30px 60px -20px color-mix(in srgb, var(--ink) 25%, transparent);
}
.acn-case__media {
	aspect-ratio: 4/3;
	background: var(--cream);
	overflow: hidden;
	position: relative;
}
.acn-case__media img {
	width: 100%; height: 100%; object-fit: cover;
	transition: transform .6s var(--ease);
}
.acn-case:hover .acn-case__media img { transform: scale(1.04); }
.acn-case__media--placeholder {
	background: linear-gradient(135deg, var(--cream) 0%, color-mix(in srgb, var(--rust) 20%, var(--cream)) 100%);
	display: flex; align-items: center; justify-content: center;
}
.acn-case__media--placeholder::after {
	content: ""; width: 60px; height: 60px;
	border-radius: 50%;
	background: color-mix(in srgb, var(--ink) 8%, transparent);
}
.acn-case__body { padding: 1.75rem; flex-grow: 1; display: flex; flex-direction: column; }
.acn-case__meta {
	display: flex; justify-content: space-between;
	font-family: var(--ff-mono); font-size: .75rem;
	color: var(--muted); letter-spacing: .1em; text-transform: uppercase;
	margin-bottom: 1rem;
}
.acn-case__title {
	font-family: var(--ff-display);
	font-size: 1.5rem;
	line-height: 1.15;
	letter-spacing: -0.02em;
	margin: 0 0 1rem;
	color: var(--ink);
}
.acn-case__excerpt { color: var(--ink-soft); font-size: .95rem; flex-grow: 1; margin: 0 0 1.25rem; }
.acn-case__metric {
	padding-top: 1.25rem;
	border-top: 1px solid var(--cream);
	display: flex; justify-content: space-between; align-items: center;
}
.acn-case__metric strong { font-family: var(--ff-display); font-size: 1.1rem; color: var(--rust); }
.acn-case__metric a { font-size: .9rem; font-weight: 500; }

/* ============================================
   CONTACT
   ============================================ */
.acn-contact { background: var(--cream); }
.acn-contact__grid {
	display: grid;
	grid-template-columns: 1.1fr 1fr;
	gap: clamp(2rem, 5vw, 5rem);
	align-items: start;
}
.acn-contact__intro h2 { margin-top: 0; }
.acn-contact__intro p { color: var(--ink-soft); font-size: 1.1rem; max-width: 40ch; }
.acn-contact__details { margin-top: 2.5rem; }
.acn-contact__detail {
	display: flex; gap: 1rem;
	padding: 1rem 0;
	border-top: 1px solid color-mix(in srgb, var(--ink) 12%, transparent);
}
.acn-contact__detail:last-child { border-bottom: 1px solid color-mix(in srgb, var(--ink) 12%, transparent); }
.acn-contact__detail dt {
	font-family: var(--ff-mono);
	font-size: .75rem;
	letter-spacing: .15em;
	text-transform: uppercase;
	color: var(--muted);
	flex-basis: 90px;
	flex-shrink: 0;
	padding-top: .1rem;
}
.acn-contact__detail dd { margin: 0; color: var(--ink); }

.acn-form {
	background: var(--paper);
	padding: 2.5rem;
	border-radius: 4px;
	display: grid;
	gap: 1.25rem;
}
.acn-field { display: grid; gap: .5rem; }
.acn-field label {
	font-size: .8rem;
	letter-spacing: .1em;
	text-transform: uppercase;
	color: var(--muted);
	font-family: var(--ff-mono);
}
.acn-field input, .acn-field textarea {
	border: none;
	border-bottom: 1px solid color-mix(in srgb, var(--ink) 20%, transparent);
	background: transparent;
	padding: .75rem 0;
	font-family: var(--ff-body);
	font-size: 1.05rem;
	color: var(--ink);
	border-radius: 0;
	transition: border-color .2s var(--ease);
}
.acn-field input:focus, .acn-field textarea:focus {
	outline: none;
	border-bottom-color: var(--rust);
}
.acn-field textarea { resize: vertical; min-height: 120px; }
.acn-field--honeypot {
	position: absolute;
	left: -9999px;
	width: 1px; height: 1px;
	overflow: hidden;
}
.acn-form__row { display: grid; grid-template-columns: 1fr 1fr; gap: 1.25rem; }
.acn-form__status { font-size: .9rem; min-height: 1.5em; }
.acn-form__status.is-success { color: var(--moss); }
.acn-form__status.is-error   { color: var(--rust); }
.acn-form button[type="submit"] {
	justify-self: start;
	margin-top: .5rem;
}

@media (max-width: 900px) {
	.acn-contact__grid { grid-template-columns: 1fr; }
	.acn-form__row { grid-template-columns: 1fr; }
}

/* ============================================
   FOOTER
   ============================================ */
.acn-footer {
	background: var(--ink);
	color: color-mix(in srgb, var(--paper) 70%, transparent);
	padding-block: clamp(3rem, 6vw, 5rem) 2rem;
	font-size: .9rem;
}
.acn-footer__grid {
	display: grid;
	grid-template-columns: 2fr 1fr 1fr 1fr;
	gap: 3rem;
	margin-bottom: 3rem;
}
.acn-footer__brand {
	font-family: var(--ff-display);
	color: var(--paper);
	font-size: 2rem;
	letter-spacing: -0.02em;
	margin-bottom: 1rem;
}
.acn-footer h4 {
	color: var(--paper);
	font-family: var(--ff-mono);
	font-size: .8rem;
	font-weight: 500;
	letter-spacing: .15em;
	text-transform: uppercase;
	margin: 0 0 1.25rem;
}
.acn-footer ul { list-style: none; padding: 0; margin: 0; display: grid; gap: .6rem; }
.acn-footer a { color: color-mix(in srgb, var(--paper) 70%, transparent); }
.acn-footer a:hover { color: var(--rust); }
.acn-footer__bottom {
	border-top: 1px solid color-mix(in srgb, var(--paper) 15%, transparent);
	padding-top: 2rem;
	display: flex; justify-content: space-between; flex-wrap: wrap; gap: 1rem;
	font-size: .8rem;
	color: color-mix(in srgb, var(--paper) 50%, transparent);
}

@media (max-width: 768px) {
	.acn-footer__grid { grid-template-columns: 1fr 1fr; }
	.acn-footer__brand-col { grid-column: 1 / -1; }
}

/* ============================================
   REVEAL ON SCROLL
   ============================================ */
.reveal {
	opacity: 0;
	transform: translateY(24px);
	transition: opacity .8s var(--ease), transform .8s var(--ease);
}
.reveal.is-visible { opacity: 1; transform: translateY(0); }

@media (prefers-reduced-motion: reduce) {
	*, *::before, *::after {
		animation-duration: .01ms !important;
		transition-duration: .01ms !important;
	}
	.reveal { opacity: 1; transform: none; }
}