/* ===================================================================
   Danici Artiom — CV
   A developer-tool aesthetic: terminal hero, git-log style timeline.
   =================================================================== */

:root {
	--ink: #14171c;
	--ink-soft: #1c2027;
	--ink-raised: #22262e;
	--paper: #f6f3ec;
	--paper-dim: #a9a49a;
	--rule: #3a3f47;
	--amber: #e8a33d;
	--teal: #4fa393;

	--font-display: "Space Grotesk", "Segoe UI", Arial, sans-serif;
	--font-body: "IBM Plex Sans", "Segoe UI", Helvetica, Arial, sans-serif;
	--font-mono: "IBM Plex Mono", "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;

	--container: 920px;
}

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

html {
	scroll-behavior: smooth;
}

@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;
	}
}

body {
	margin: 0;
	background: var(--ink);
	color: var(--paper);
	font-family: var(--font-body);
	font-size: 18px;
	line-height: 1.6;
	-webkit-font-smoothing: antialiased;
}

h1,
h2,
h3,
h4 {
	font-family: var(--font-display);
	font-weight: 600;
	line-height: 1.2;
	margin: 0 0 0.5em;
}

p {
	margin: 0 0 1em;
}

a {
	color: var(--amber);
	text-decoration-thickness: 1px;
	text-underline-offset: 3px;
}

a:hover {
	color: #f2b968;
}

a:focus-visible,
button:focus-visible,
dialog:focus-visible {
	outline: 2px solid var(--amber);
	outline-offset: 3px;
}

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

ul {
	margin: 0;
	padding: 0;
}

.skip-link {
	position: absolute;
	left: 1rem;
	top: -3rem;
	background: var(--amber);
	color: var(--ink);
	padding: 0.6em 1em;
	border-radius: 4px;
	font-family: var(--font-mono);
	font-size: 0.9rem;
	transition: top 0.15s ease;
	z-index: 100;
}

.skip-link:focus {
	top: 1rem;
}

.visually-hidden {
	position: absolute;
	width: 1px;
	height: 1px;
	overflow: hidden;
	clip: rect(0 0 0 0);
	white-space: nowrap;
}

.container {
	max-width: var(--container);
	margin: 0 auto;
	padding: 0 1.5rem;
}

.section-eyebrow {
	display: block;
	font-family: var(--font-mono);
	font-size: 0.95rem;
	color: var(--teal);
	margin-bottom: 0.5rem;
}

section {
	padding: 4.5rem 0;
}

section h2 {
	font-size: clamp(1.6rem, 3vw, 2.2rem);
}

/* ============ HERO ============ */

.hero {
	background: var(--ink);
	padding: 2.5rem 0 3.5rem;
	border-bottom: 1px solid var(--rule);
}

.hero__nav {
	display: flex;
	align-items: center;
	justify-content: space-between;
	flex-wrap: wrap;
	gap: 0.75rem;
	margin-bottom: 2rem;
}

.hero__tutorials-link {
	font-family: var(--font-mono);
	font-size: 0.9rem;
	color: var(--teal);
}

.hero__tutorials-link:hover {
	color: var(--paper);
}

.lang-switch {
	display: flex;
	justify-content: flex-end;
	gap: 0.5rem;
	margin-bottom: 0;
}

.lang-switch ul {
	display: flex;
	gap: 0.5rem;
	list-style: none;
}

.lang-switch a {
	display: inline-block;
	font-family: var(--font-mono);
	font-size: 0.85rem;
	color: var(--paper-dim);
	padding: 0.4em 0.8em;
	border: 1px solid var(--rule);
	border-radius: 999px;
	text-decoration: none;
}

.lang-switch a:hover {
	color: var(--paper);
	border-color: var(--paper-dim);
}

.lang-switch a[aria-current="page"] {
	color: var(--ink);
	background: var(--amber);
	border-color: var(--amber);
}

.hero__inner {
	display: grid;
	gap: 2rem;
	align-items: start;
}

@media (min-width: 760px) {
	.hero__inner {
		grid-template-columns: auto 1fr;
	}
}

.hero__avatar img {
	width: 128px;
	height: 128px;
	border-radius: 16px;
	object-fit: cover;
	border: 1px solid var(--rule);
}

.terminal {
	background: var(--ink-soft);
	border: 1px solid var(--rule);
	border-radius: 10px;
	overflow: hidden;
	box-shadow: 0 20px 40px -20px rgba(0, 0, 0, 0.6);
}

.terminal__bar {
	display: flex;
	align-items: center;
	gap: 0.4rem;
	padding: 0.65rem 0.9rem;
	background: var(--ink-raised);
	border-bottom: 1px solid var(--rule);
}

.terminal__bar .dot {
	width: 11px;
	height: 11px;
	border-radius: 50%;
	background: var(--rule);
}

.terminal__title {
	margin-left: 0.6rem;
	font-family: var(--font-mono);
	font-size: 0.8rem;
	color: var(--paper-dim);
}

.terminal__body {
	padding: 1.5rem 1.5rem 1.75rem;
	font-family: var(--font-mono);
	font-size: 0.98rem;
}

.terminal__body p {
	margin: 0 0 0.15em;
}

.prompt {
	color: var(--teal);
	margin-right: 0.5em;
}

.cmd {
	color: var(--paper-dim);
}

.terminal__out {
	color: var(--paper);
	margin-bottom: 1.1em !important;
}

.terminal__out a {
	color: inherit;
}

h1.terminal__out {
	font-family: var(--font-display);
	font-size: 1.7rem;
	font-weight: 700;
}

.terminal__role {
	color: var(--amber);
}

.cursor {
	display: inline-block;
	width: 0.55em;
	height: 1.05em;
	background: var(--amber);
	vertical-align: -0.15em;
	animation: blink 1s steps(1) infinite;
}

@media (prefers-reduced-motion: reduce) {
	.cursor {
		animation: none;
	}
}

@keyframes blink {
	50% {
		opacity: 0;
	}
}

/* ============ ABOUT ============ */

.about {
	background: var(--ink-soft);
}

.about__grid {
	display: grid;
	gap: 3rem;
	align-items: start;
}

@media (min-width: 760px) {
	.about__grid {
		grid-template-columns: 1fr 1fr;
	}
}

.life-timeline {
	border-left: 2px solid var(--rule);
	list-style: none;
	display: grid;
	gap: 1.25rem;
	padding-left: 1.25rem;
}

.life-timeline time {
	display: block;
	font-family: var(--font-mono);
	font-size: 0.85rem;
	color: var(--amber);
	margin-bottom: 0.15em;
}

.life-timeline p {
	margin: 0;
}

.skill-group {
	margin-bottom: 1.75rem;
}

.skill-group:last-child {
	margin-bottom: 0;
}

.skill-group h4 {
	font-family: var(--font-mono);
	font-weight: 500;
	font-size: 0.85rem;
	text-transform: uppercase;
	letter-spacing: 0.06em;
	color: var(--teal);
	margin-bottom: 0.75rem;
}

.skill-chips {
	list-style: none;
	display: flex;
	flex-wrap: wrap;
	gap: 0.5rem;
}

.skill-chips li {
	font-family: var(--font-mono);
	font-size: 0.85rem;
	background: var(--ink-raised);
	border: 1px solid var(--rule);
	border-radius: 6px;
	padding: 0.35em 0.7em;
	color: var(--paper);
}

.skill-group--legacy .skill-chips li {
	color: var(--paper-dim);
}

/* ============ PORTFOLIO ============ */

.portfolio__grid {
	display: grid;
	grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
	gap: 1.25rem;
	margin-top: 2.5rem;
	list-style: none;
}

.portfolio__item {
	margin: 0;
	position: relative;
}

.portfolio__trigger {
	display: block;
	width: 100%;
	border: 1px solid var(--rule);
	border-radius: 8px;
	background: var(--ink-raised);
	padding: 0;
	cursor: pointer;
	overflow: hidden;
	aspect-ratio: 4 / 3;
	position: relative;
}

.portfolio__trigger img {
	width: 100%;
	height: 100%;
	object-fit: cover;
	transition: transform 0.25s ease;
}

.portfolio__trigger:hover img {
	transform: scale(1.04);
}

.portfolio__caption {
	position: absolute;
	left: 0;
	right: 0;
	bottom: 0;
	background: linear-gradient(to top, rgba(20, 23, 28, 0.92), transparent);
	color: var(--paper);
	font-size: 0.9rem;
	padding: 1.5rem 0.9rem 0.7rem;
	text-align: left;
}

.lightbox {
	border: 1px solid var(--rule);
	background: var(--ink-soft);
	color: var(--paper);
	border-radius: 10px;
	padding: 0;
	max-width: min(92vw, 900px);
	max-height: 88vh;
}

.lightbox::backdrop {
	background: rgba(10, 11, 14, 0.85);
}

.lightbox__head {
	display: flex;
	justify-content: flex-end;
	padding: 0.5rem 0.5rem 0;
}

.lightbox__close {
	background: none;
	border: none;
	color: var(--paper);
	font-size: 1.6rem;
	line-height: 1;
	cursor: pointer;
	padding: 0.4rem 0.6rem;
	border-radius: 6px;
}

.lightbox__close:hover {
	color: var(--amber);
}

.lightbox img {
	max-width: 100%;
	max-height: 65vh;
	margin: 0 auto;
	object-fit: contain;
}

.lightbox figcaption {
	font-family: var(--font-mono);
	font-size: 0.9rem;
	color: var(--paper-dim);
	padding: 0.9rem 1.25rem 1.25rem;
}

/* ============ EXPERIENCE (signature) ============ */

.experience {
	background: var(--ink-soft);
}

.timeline {
	list-style: none;
	margin-top: 2.5rem;
	border-left: 2px solid var(--rule);
	display: grid;
	gap: 2.5rem;
}

.job {
	position: relative;
	padding-left: 2rem;
	opacity: 1;
	transform: none;
}

.job__node {
	position: absolute;
	left: -0.5rem;
	top: 0.3rem;
	width: 0.9rem;
	height: 0.9rem;
	border-radius: 50%;
	background: var(--ink-soft);
	border: 2px solid var(--paper-dim);
}

.job[data-current="true"] .job__node {
	background: var(--amber);
	border-color: var(--amber);
}

.job__meta {
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	gap: 0.75rem;
	margin-bottom: 0.4rem;
}

.job__date {
	font-family: var(--font-mono);
	font-size: 0.85rem;
	color: var(--amber);
}

.job__badge {
	font-family: var(--font-mono);
	font-size: 0.75rem;
	color: var(--ink);
	background: var(--teal);
	border-radius: 999px;
	padding: 0.15em 0.6em;
}

.job__title {
	margin-bottom: 0.15em;
	font-size: 1.25rem;
}

.job__company {
	font-family: var(--font-mono);
	font-size: 0.9rem;
	color: var(--paper-dim);
	margin-bottom: 0.9rem;
}

.job__tasks {
	list-style: none;
	display: grid;
	gap: 0.4rem;
}

.job__tasks li {
	position: relative;
	padding-left: 1.3rem;
}

.job__tasks li::before {
	content: "+";
	position: absolute;
	left: 0;
	color: var(--teal);
	font-family: var(--font-mono);
}

/* scroll reveal (progressive enhancement) */
.job.will-reveal,
.portfolio__item.will-reveal {
	opacity: 0;
	transform: translateY(12px);
	transition: opacity 0.5s ease, transform 0.5s ease;
}

.job.will-reveal.is-visible,
.portfolio__item.will-reveal.is-visible {
	opacity: 1;
	transform: none;
}

/* ============ FOOTER ============ */

.site-footer {
	padding: 2.5rem 0 3rem;
	text-align: center;
	font-family: var(--font-mono);
	font-size: 0.85rem;
	color: var(--paper-dim);
}

.back-to-top {
	display: inline-block;
	margin-bottom: 0.75rem;
}