/*
 * petafora.com — PT Petafora Engineering Consultant
 *
 * Arah: dokumen kredibilitas, bukan alat kerja.
 * Berbeda dari Geoportal secara sengaja: hero gelap penuh dengan garis kontur,
 * tipografi besar, blok warna penuh, dan ruang lapang. Palet dan nada bicara
 * tetap satu keluarga supaya keduanya terbaca sebagai satu perusahaan.
 *
 * Yang dipakai bersama: tinta hijau, kuningan, Archivo, dan kalimat yang
 * mengutamakan bukti di atas klaim.
 */

/* ---------- Font ---------- */
@font-face {
	font-family: 'Archivo';
	font-style: normal;
	font-display: swap;
	font-weight: 100 900;
	font-stretch: 62% 125%;
	src: url('./fonts/archivo-latin-wdth-normal.woff2') format('woff2-variations');
	unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA,
		U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193,
		U+2212, U+2215, U+FEFF, U+FFFD;
}

@font-face {
	font-family: 'Archivo';
	font-style: normal;
	font-display: swap;
	font-weight: 100 900;
	font-stretch: 62% 125%;
	src: url('./fonts/archivo-latin-ext-wdth-normal.woff2') format('woff2-variations');
	unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF,
		U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020,
		U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}

/* ---------- Token ---------- */
:root {
	--ink: #16352a;
	--ink-deep: #0e241c;
	--ink-hover: #0f261e;
	--brass: #c9a356;
	--brass-strong: #6d5718;

	--paper: #fbfbf9;
	--surface: #ffffff;
	--surface-alt: #f2f3ef;
	--text: #14170f;
	--muted: #5c6159;
	--line: #e3e5e0;
	--line-strong: #c3c8c0;
	--border-control: #6b7268;
	--on-dark: #eef1ec;
	--on-dark-muted: #a8b3ab;

	--font: 'Archivo', system-ui, -apple-system, 'Segoe UI', sans-serif;
	--mono: ui-monospace, 'SF Mono', 'Cascadia Mono', Menlo, monospace;

	--text-xs: 0.75rem;
	--text-sm: 0.875rem;
	--text-base: 1rem;
	--text-lg: 1.125rem;
	--text-xl: 1.375rem;
	--text-2xl: 1.75rem;

	--space-1: 0.25rem;
	--space-2: 0.5rem;
	--space-3: 0.75rem;
	--space-4: 1rem;
	--space-5: 1.25rem;
	--space-6: 1.5rem;
	--space-8: 2rem;
	--space-10: 2.5rem;
	--space-12: 3rem;
	--space-16: 4rem;
	--space-20: 5rem;
	--space-24: 6rem;
	--space-32: 8rem;

	--radius-sm: 4px;
	--radius-md: 10px;
	--radius-pill: 999px;

	--container: 74rem;
	--pad: 1.5rem;
	--header-h: 4.5rem;

	--ease-out: cubic-bezier(0.23, 1, 0.32, 1);
}

@media (max-width: 640px) {
	:root {
		--pad: 1.25rem;
		--header-h: 3.9rem;
	}
}

/* ---------- Dasar ---------- */
*,
*::before,
*::after {
	box-sizing: border-box;
}

html {
	-webkit-text-size-adjust: 100%;
	text-size-adjust: 100%;
	scroll-behavior: smooth;
	scroll-padding-top: calc(var(--header-h) + 1rem);
}

body {
	margin: 0;
	font-family: var(--font);
	font-size: var(--text-base);
	line-height: 1.6;
	color: var(--text);
	background: var(--paper);
	-webkit-font-smoothing: antialiased;
	-moz-osx-font-smoothing: grayscale;
}

h1,
h2,
h3 {
	margin: 0;
	font-family: var(--font);
	line-height: 1.1;
	letter-spacing: -0.026em;
	text-wrap: balance;
}

h1 {
	font-size: clamp(2.5rem, 1.4rem + 5vw, 5rem);
	font-weight: 620;
	letter-spacing: -0.038em;
	line-height: 1.02;
}

h2 {
	font-size: clamp(1.75rem, 1.15rem + 2.4vw, 3rem);
	font-weight: 620;
	letter-spacing: -0.03em;
}

h3 {
	font-size: var(--text-xl);
	font-weight: 620;
	letter-spacing: -0.02em;
}

p {
	margin: 0;
	text-wrap: pretty;
}

ul,
ol {
	margin: 0;
	padding: 0;
	list-style: none;
}

a {
	color: var(--ink);
	text-decoration: none;
}

a:hover {
	text-decoration: underline;
	text-underline-offset: 0.18em;
	text-decoration-thickness: 1px;
}

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

:focus-visible {
	outline: 2px solid currentColor;
	outline-offset: 3px;
	border-radius: 2px;
}

.skip {
	position: absolute;
	left: var(--pad);
	top: 0;
	padding: var(--space-2) var(--space-4);
	background: var(--ink);
	color: #fff;
	border-radius: var(--radius-sm);
	transform: translateY(-200%);
	transition: transform 140ms var(--ease-out);
	z-index: 100;
}

.skip:focus {
	transform: translateY(var(--space-3));
	text-decoration: none;
}

.container {
	width: 100%;
	max-width: var(--container);
	margin-inline: auto;
	padding-inline: var(--pad);
}

.eyebrow {
	font-size: var(--text-sm);
	font-weight: 560;
	letter-spacing: 0.01em;
	color: var(--brass-strong);
	margin-bottom: var(--space-3);
}

/* ---------- Header ---------- */
.site-header {
	position: sticky;
	top: 0;
	z-index: 40;
	background: color-mix(in srgb, var(--paper) 94%, transparent);
	backdrop-filter: saturate(140%) blur(8px);
	border-bottom: 1px solid var(--line);
}

.header-inner {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: var(--space-6);
	min-height: var(--header-h);
}

.brand {
	display: inline-flex;
	align-items: center;
	gap: 0.6rem;
	color: var(--ink);
	flex-shrink: 0;
}

.brand:hover {
	text-decoration: none;
}

.brand-mark {
	width: 1.5rem;
	height: 1.5rem;
	flex-shrink: 0;
}

.brand-text {
	display: flex;
	flex-direction: column;
	line-height: 1.15;
}

.brand-name {
	font-size: 1.125rem;
	font-weight: 680;
	font-stretch: 96%;
	letter-spacing: -0.025em;
}

.brand-sub {
	font-size: 0.6875rem;
	font-weight: 440;
	color: var(--muted);
	letter-spacing: 0.02em;
}

.site-nav {
	display: flex;
	align-items: center;
	gap: 0.35rem;
	margin-left: auto;
}

.site-nav a {
	display: inline-flex;
	align-items: center;
	min-height: 2.25rem;
	padding: 0.35rem 0.75rem;
	border-radius: var(--radius-sm);
	font-size: var(--text-sm);
	font-weight: 500;
	color: var(--muted);
	transition:
		color 160ms ease,
		background-color 160ms ease;
}

.site-nav a:hover {
	color: var(--ink);
	background: color-mix(in srgb, var(--ink) 5%, transparent);
	text-decoration: none;
}

.header-cta {
	display: inline-flex;
	align-items: center;
	min-height: 2.5rem;
	padding: 0.45rem 1.1rem;
	border-radius: var(--radius-sm);
	background: var(--ink);
	color: #fff;
	font-size: var(--text-sm);
	font-weight: 560;
	transition:
		background-color 160ms ease,
		transform 120ms var(--ease-out);
}

.header-cta:hover {
	background: var(--ink-hover);
	text-decoration: none;
}

.header-cta:active {
	transform: scale(0.975);
}

.menu-toggle {
	display: none;
	align-items: center;
	justify-content: center;
	width: 2.75rem;
	height: 2.75rem;
	padding: 0;
	background: transparent;
	border: 1px solid var(--border-control);
	border-radius: var(--radius-sm);
	cursor: pointer;
}

.menu-bars,
.menu-bars::before,
.menu-bars::after {
	display: block;
	width: 1rem;
	height: 1.5px;
	background: var(--ink);
	transition: transform 160ms var(--ease-out);
}

.menu-bars {
	position: relative;
}

.menu-bars::before,
.menu-bars::after {
	content: '';
	position: absolute;
	left: 0;
}

.menu-bars::before {
	top: -5px;
}

.menu-bars::after {
	top: 5px;
}

[aria-expanded='true'] .menu-bars {
	background: transparent;
}

[aria-expanded='true'] .menu-bars::before {
	transform: translateY(5px) rotate(45deg);
}

[aria-expanded='true'] .menu-bars::after {
	transform: translateY(-5px) rotate(-45deg);
}

/* ---------- Tombol ---------- */
.btn {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	gap: var(--space-2);
	min-height: 3rem;
	padding: 0.7rem 1.4rem;
	font-family: var(--font);
	font-size: var(--text-base);
	font-weight: 560;
	font-stretch: 102%;
	letter-spacing: -0.01em;
	border-radius: var(--radius-sm);
	border: 1px solid transparent;
	cursor: pointer;
	text-decoration: none;
	transition:
		transform 120ms var(--ease-out),
		background-color 160ms ease,
		border-color 160ms ease,
		color 160ms ease;
}

.btn-brass {
	background: var(--brass);
	color: var(--ink-deep);
	font-weight: 620;
}

.btn-primary {
	background: var(--ink);
	color: #fff;
}

.btn-ghost {
	background: transparent;
	color: var(--on-dark);
	border-color: color-mix(in srgb, var(--on-dark) 34%, transparent);
}

@media (hover: hover) and (pointer: fine) {
	.btn-brass:hover {
		background: color-mix(in srgb, var(--brass) 84%, #fff);
		text-decoration: none;
	}

	.btn-primary:hover {
		background: var(--ink-hover);
		text-decoration: none;
	}

	.btn-ghost:hover {
		border-color: var(--on-dark);
		background: color-mix(in srgb, var(--on-dark) 10%, transparent);
		text-decoration: none;
	}
}

.btn:active {
	transform: scale(0.975);
}

/* ---------- Hero: gelap penuh, kontur, tipografi besar ---------- */
.hero {
	position: relative;
	overflow: hidden;
	background: var(--ink-deep);
	color: var(--on-dark);
}

.hero-art {
	position: absolute;
	inset: 0;
	pointer-events: none;
}

.hero-art img {
	width: 100%;
	height: 100%;
	object-fit: cover;
}

.hero-inner {
	position: relative;
	padding-block: var(--space-32) var(--space-24);
	max-width: var(--container);
}

.hero .eyebrow {
	color: var(--brass);
}

.hero h1 {
	max-width: 22ch;
	color: #fff;
}

.hero-lede {
	margin-top: var(--space-6);
	max-width: 54ch;
	font-size: var(--text-lg);
	line-height: 1.62;
	color: var(--on-dark-muted);
}

.hero-actions {
	display: flex;
	flex-wrap: wrap;
	gap: var(--space-3);
	margin-top: var(--space-10);
}

/* ---------- Pernyataan besar ---------- */
.statement {
	padding-block: var(--space-24);
}

.statement .eyebrow {
	margin-bottom: var(--space-6);
}

.statement-text {
	max-width: 30ch;
	font-size: clamp(1.5rem, 1rem + 2.2vw, 2.75rem);
	font-weight: 520;
	line-height: 1.24;
	letter-spacing: -0.028em;
	color: var(--ink);
	text-wrap: balance;
}
.statement-body {
	max-width: 58ch;
	margin-top: var(--space-6);
	color: var(--muted);
	line-height: 1.7;
}

/* ---------- Section head ---------- */
.section-head {
	max-width: 60rem;
	margin-bottom: var(--space-16);
}

.section-lede {
	margin-top: var(--space-4);
	max-width: 56ch;
	font-size: var(--text-lg);
	line-height: 1.6;
	color: var(--muted);
}

/* ---------- Layanan ---------- */
.services-section {
	padding-block: var(--space-16) var(--space-24);
	border-top: 1px solid var(--line);
}

.service-list {
	display: flex;
	flex-direction: column;
	gap: var(--space-20);
}

.service {
	display: grid;
	grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
	gap: var(--space-12);
	align-items: center;
}

.service:nth-child(even) {
	grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
}

.service:nth-child(even) .service-visual {
	order: 2;
}

.service-visual {
	position: relative;
	margin: 0;
	overflow: hidden;
	border-radius: var(--radius-md);
	border: 1px solid var(--line);
	background: var(--surface);
}

.service-visual img {
	display: block;
	width: 100%;
	height: auto;
	aspect-ratio: 4 / 3;
}

.service-visual figcaption {
	padding: var(--space-3) var(--space-4);
	font-family: var(--mono);
	font-size: var(--text-xs);
	line-height: 1.4;
	color: var(--muted);
	border-top: 1px solid var(--line);
}

.service-body {
	display: flex;
	flex-direction: column;
	gap: var(--space-4);
}

.service-num {
	font-family: var(--mono);
	font-size: var(--text-sm);
	font-variant-numeric: tabular-nums;
	color: var(--brass-strong);
	letter-spacing: 0.04em;
}

.service-body p {
	color: var(--muted);
	line-height: 1.65;
	max-width: 52ch;
}

.service-items {
	display: grid;
	gap: var(--space-2);
	padding-top: var(--space-2);
	border-top: 1px solid var(--line);
}

.service-items li {
	position: relative;
	padding-left: var(--space-5);
	font-size: var(--text-sm);
}

.service-items li::before {
	content: '';
	position: absolute;
	left: 0;
	top: 0.6em;
	width: 0.4rem;
	height: 0.4rem;
	border-radius: 50%;
	background: var(--brass);
}

.deliverables {
	display: grid;
	grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
	gap: var(--space-12);
	align-items: start;
	margin-top: var(--space-24);
	padding-top: var(--space-10);
	border-top: 2px solid var(--ink);
}

.deliverables h3 {
	margin-bottom: var(--space-3);
}

.deliverables p {
	color: var(--muted);
	max-width: 48ch;
}

.chips {
	display: flex;
	flex-wrap: wrap;
	gap: var(--space-2);
	align-content: start;
}

.chips li {
	padding: 0.3rem 0.75rem;
	border: 1px solid var(--line-strong);
	border-radius: var(--radius-pill);
	font-size: var(--text-sm);
	font-weight: 500;
	color: var(--muted);
	background: var(--surface);
}

/* ---------- Cara kerja: blok gelap penuh ---------- */
.process-section {
	background: var(--ink);
	color: var(--on-dark);
	padding-block: var(--space-24);
}

.process-section .eyebrow {
	color: var(--brass);
}

.process-section h2 {
	color: #fff;
}

.process-section .section-lede {
	color: var(--on-dark-muted);
}

.steps {
	display: grid;
	grid-template-columns: repeat(4, minmax(0, 1fr));
	gap: var(--space-8);
}

.steps li {
	display: flex;
	flex-direction: column;
	gap: var(--space-3);
	padding-top: var(--space-5);
	border-top: 1px solid color-mix(in srgb, var(--on-dark) 26%, transparent);
}

.step-num {
	font-family: var(--mono);
	font-size: var(--text-sm);
	font-variant-numeric: tabular-nums;
	color: var(--brass);
}

.steps h3 {
	font-size: var(--text-lg);
	color: #fff;
}

.steps p {
	font-size: var(--text-sm);
	line-height: 1.62;
	color: var(--on-dark-muted);
}

/* ---------- Proyek ---------- */
.projects-section {
	padding-block: var(--space-24) var(--space-16);
}

.featured-project {
	display: grid;
	grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
	gap: var(--space-12);
	align-items: center;
	padding: var(--space-10);
	border-radius: var(--radius-md);
	background: var(--surface-alt);
}

.project-tag {
	font-size: var(--text-sm);
	font-weight: 560;
	color: var(--brass-strong);
}

.featured-copy h3 {
	margin-top: var(--space-2);
	font-size: clamp(1.5rem, 1.1rem + 1.4vw, 2.25rem);
	letter-spacing: -0.028em;
}

.featured-copy p {
	margin-top: var(--space-4);
	color: var(--muted);
	max-width: 52ch;
	line-height: 1.65;
}

.featured-copy .btn {
	margin-top: var(--space-6);
}

/* Pratinjau isi katalog: tiga baris nyata, bukan kotak abu-abu dekoratif. */
.featured-art {
	display: flex;
	flex-direction: column;
	padding: var(--space-2) var(--space-4);
	border-radius: var(--radius-sm);
	background: var(--surface);
	border: 1px solid var(--line);
}

.sheet-row {
	display: flex;
	flex-direction: column;
	gap: 0.1rem;
	padding-block: var(--space-3);
	border-bottom: 1px solid var(--line);
}

.sheet-tag {
	font-size: var(--text-xs);
	font-weight: 560;
	color: var(--brass-strong);
}

.sheet-title {
	font-size: var(--text-sm);
	font-weight: 560;
	color: var(--ink);
	line-height: 1.35;
}

.sheet-meta {
	font-family: var(--mono);
	font-size: 0.6875rem;
	color: var(--muted);
}

.sheet-foot {
	margin-top: var(--space-3);
	font-family: var(--mono);
	font-size: var(--text-xs);
	color: var(--muted);
}

.project-note {
	margin-top: var(--space-8);
	max-width: 58ch;
	color: var(--muted);
	font-size: var(--text-sm);
	line-height: 1.65;
}

/* ---------- Kontak ---------- */
.contact-section {
	padding-block: var(--space-16) var(--space-24);
}

.contact-inner {
	display: grid;
	grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
	gap: var(--space-12);
	align-items: center;
	padding-block: var(--space-12);
	border-top: 2px solid var(--ink);
	border-bottom: 1px solid var(--line);
}

.contact-copy p {
	margin-top: var(--space-4);
	color: var(--muted);
	max-width: 48ch;
	line-height: 1.65;
}

.contact-actions {
	display: flex;
	flex-direction: column;
	align-items: flex-start;
	gap: var(--space-4);
}

.contact-alt {
	display: inline-flex;
	align-items: center;
	gap: var(--space-2);
	font-size: var(--text-sm);
	color: var(--muted);
	text-decoration: underline;
	text-underline-offset: 0.18em;
}

/* ---------- Footer ---------- */
.site-footer {
	padding-block: var(--space-12) var(--space-10);
	border-top: 1px solid var(--line);
}

.footer-inner {
	display: grid;
	grid-template-columns: minmax(0, 1.4fr) minmax(0, 0.7fr) minmax(0, 1fr);
	gap: var(--space-10);
	align-items: start;
}

.footer-identity {
	display: flex;
	flex-direction: column;
	gap: var(--space-2);
}

.footer-name {
	font-size: var(--text-lg);
	font-weight: 660;
	font-stretch: 96%;
	letter-spacing: -0.022em;
	color: var(--ink);
}

.footer-identity p {
	color: var(--muted);
	font-size: var(--text-sm);
}

.footer-links {
	display: flex;
	flex-direction: column;
	gap: 0.15rem;
}

.footer-links a {
	display: inline-flex;
	align-items: center;
	min-height: 2rem;
	font-size: var(--text-sm);
	color: var(--muted);
}

.footer-links a:hover {
	color: var(--ink);
	text-decoration: underline;
}

.footer-contact {
	display: flex;
	flex-direction: column;
	gap: var(--space-2);
	justify-self: end;
	text-align: right;
	font-size: var(--text-sm);
}

.footer-contact p {
	color: var(--muted);
	font-size: var(--text-xs);
}

/* ---------- Responsif ---------- */
@media (max-width: 1000px) {
	.hero-inner {
		padding-block: var(--space-20) var(--space-16);
	}

	.statement {
		padding-block: var(--space-16);
	}

	.service,
	.service:nth-child(even) {
		grid-template-columns: 1fr;
		gap: var(--space-6);
	}

	.service:nth-child(even) .service-visual {
		order: 0;
	}

	.deliverables {
		grid-template-columns: 1fr;
		gap: var(--space-6);
	}

	.steps {
		grid-template-columns: repeat(2, minmax(0, 1fr));
		gap: var(--space-6);
	}

	.featured-project {
		grid-template-columns: 1fr;
		gap: var(--space-8);
		padding: var(--space-6);
	}

	.contact-inner {
		grid-template-columns: 1fr;
		gap: var(--space-8);
	}

	.footer-inner {
		grid-template-columns: 1fr;
		gap: var(--space-6);
	}

	.footer-contact {
		justify-self: start;
		text-align: left;
	}
}

@media (max-width: 820px) {
	.header-cta {
		display: none;
	}

	.menu-toggle {
		display: inline-flex;
	}

	.site-nav {
		display: none;
		position: absolute;
		inset-inline: 0;
		top: 100%;
		flex-direction: column;
		align-items: stretch;
		gap: 0.15rem;
		margin-left: 0;
		padding: var(--space-3) var(--pad) var(--space-4);
		background: var(--surface);
		border-bottom: 1px solid var(--line);
		box-shadow: 0 12px 24px -16px rgb(22 53 42 / 0.35);
	}

	.site-nav.open {
		display: flex;
	}

	.site-nav a {
		min-height: 2.75rem;
		padding-inline: var(--space-2);
	}
}

@media (max-width: 640px) {
	.hero-inner {
		padding-block: var(--space-16) var(--space-12);
	}

	.hero-lede {
		font-size: var(--text-base);
	}

	.statement {
		padding-block: var(--space-12);
	}

	.services-section,
	.projects-section,
	.process-section {
		padding-block: var(--space-12);
	}

	.section-head {
		margin-bottom: var(--space-10);
	}

	.service-list {
		gap: var(--space-12);
	}

	.service-visual {
		padding: var(--space-5);
	}

	.steps {
		grid-template-columns: 1fr;
	}

	.deliverables {
		margin-top: var(--space-12);
	}
}

@media (prefers-reduced-motion: reduce) {
	html {
		scroll-behavior: auto;
	}

	*,
	*::before,
	*::after {
		transition-duration: 0.01ms !important;
		animation-duration: 0.01ms !important;
	}
}