/* main.css — Material Design 3 (dark) landing page for Myles Nieman */

:root {
	/* ---- MD3 dark color tokens (blue primary, Google-style) ---- */
	--md-primary: #a8c7fa;
	--md-on-primary: #0a305f;
	--md-primary-container: #274777;
	--md-on-primary-container: #d7e3ff;
	--md-secondary-container: #3b4258;
	--md-on-secondary-container: #dae2f9;
	--md-tertiary: #ddbce0;

	--md-background: #111318;
	--md-surface: #111318;
	--md-surface-container-lowest: #0b0e13;
	--md-surface-container-low: #191c20;
	--md-surface-container: #1d2024;
	--md-surface-container-high: #282a2f;
	--md-surface-container-highest: #33353a;

	--md-on-surface: #e2e2e9;
	--md-on-surface-variant: #c4c6d0;
	--md-outline: #8e9099;
	--md-outline-variant: #44474e;
	--md-error: #ffb4ab;

	/* ---- shape ---- */
	--shape-sm: 8px;
	--shape-md: 12px;
	--shape-lg: 16px;
	--shape-xl: 28px;
	--shape-full: 999px;

	/* ---- elevation (dark) ---- */
	--elev-1: 0 1px 2px rgba(0, 0, 0, 0.3), 0 1px 3px 1px rgba(0, 0, 0, 0.15);
	--elev-2: 0 1px 2px rgba(0, 0, 0, 0.3), 0 2px 6px 2px rgba(0, 0, 0, 0.15);
	--elev-3: 0 1px 3px rgba(0, 0, 0, 0.3), 0 4px 8px 3px rgba(0, 0, 0, 0.15);

	/* ---- motion ---- */
	--ease: cubic-bezier(0.2, 0, 0, 1);
	--ease-emph: cubic-bezier(0.3, 0, 0.8, 0.15);
	--dur: 200ms;

	/* ---- type ---- */
	--font-sans: "Roboto", system-ui, -apple-system, "Segoe UI", sans-serif;
	--font-mono: "Roboto Mono", ui-monospace, Menlo, Consolas, monospace;

	--maxw: 62rem;
}

* {
	box-sizing: border-box;
}

html {
	scroll-behavior: smooth;
	scroll-padding-top: 5rem;
}

body {
	margin: 0;
	font-family: var(--font-sans);
	line-height: 1.55;
	color: var(--md-on-surface);
	background: var(--md-background);
	-webkit-font-smoothing: antialiased;
	min-height: 100vh;
}

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

a:hover {
	text-decoration: underline;
}

.material-symbols-outlined {
	font-family: "Material Symbols Outlined";
	font-weight: normal;
	font-style: normal;
	line-height: 1;
	letter-spacing: normal;
	text-transform: none;
	display: inline-block;
	white-space: nowrap;
	word-wrap: normal;
	direction: ltr;
	font-feature-settings: "liga";
	-webkit-font-smoothing: antialiased;
	font-variation-settings: "FILL" 0, "wght" 400, "GRAD" 0, "opsz" 24;
	font-size: 20px;
}

/* ---------- top app bar ---------- */

.top-app-bar {
	position: sticky;
	top: 0;
	z-index: 50;
	background: color-mix(in srgb, var(--md-surface-container) 92%, transparent);
	backdrop-filter: blur(12px);
	border-bottom: 1px solid var(--md-outline-variant);
}

.bar-inner {
	max-width: var(--maxw);
	margin: 0 auto;
	height: 4rem;
	padding: 0 1rem;
	display: flex;
	align-items: center;
	gap: 0.5rem;
}

.app-title {
	font-size: 1.375rem;
	font-weight: 500;
	color: var(--md-on-surface);
	margin-right: auto;
}

.app-title:hover {
	text-decoration: none;
}

.bar-nav {
	display: flex;
	align-items: center;
	gap: 0.25rem;
}

@media (max-width: 680px) {
	.bar-nav .nav-text {
		display: none;
	}
}

/* ---------- buttons (Material) ---------- */

.btn {
	position: relative;
	overflow: hidden;
	display: inline-flex;
	align-items: center;
	justify-content: center;
	gap: 0.5rem;
	height: 40px;
	padding: 0 1.5rem;
	border: none;
	border-radius: var(--shape-full);
	font-family: var(--font-sans);
	font-size: 0.875rem;
	font-weight: 500;
	letter-spacing: 0.01em;
	cursor: pointer;
	text-decoration: none;
	transition: box-shadow var(--dur) var(--ease), background var(--dur) var(--ease);
	-webkit-tap-highlight-color: transparent;
}

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

/* state layer */
.btn::before {
	content: "";
	position: absolute;
	inset: 0;
	background: currentColor;
	opacity: 0;
	transition: opacity var(--dur) var(--ease);
}

.btn:hover::before {
	opacity: 0.08;
}

.btn:focus-visible {
	outline: 3px solid var(--md-primary);
	outline-offset: 2px;
}

.btn .material-symbols-outlined {
	font-size: 18px;
	margin-left: -0.25rem;
}

.btn.filled {
	background: var(--md-primary);
	color: var(--md-on-primary);
}

.btn.filled:hover {
	box-shadow: var(--elev-1);
}

.btn.tonal {
	background: var(--md-secondary-container);
	color: var(--md-on-secondary-container);
}

.btn.outlined {
	background: transparent;
	color: var(--md-primary);
	border: 1px solid var(--md-outline);
	padding: 0 1.4rem;
}

.btn.text {
	background: transparent;
	color: var(--md-primary);
	padding: 0 0.75rem;
	height: 36px;
}

.btn.nav-text {
	color: var(--md-on-surface-variant);
}

/* disabled / coming-soon button */
.btn.is-disabled {
	color: var(--md-on-surface-variant);
	border-color: var(--md-outline-variant);
	opacity: 0.55;
	cursor: not-allowed;
	pointer-events: auto;
}

.btn.is-disabled:hover::before {
	opacity: 0;
}

.btn-soon {
	font-size: 0.65rem;
	font-weight: 500;
	letter-spacing: 0.02em;
	text-transform: uppercase;
	color: var(--md-on-surface-variant);
	border: 1px solid var(--md-outline-variant);
	border-radius: var(--shape-sm);
	padding: 0.05rem 0.35rem;
	margin-left: 0.1rem;
}

/* icon button */
.icon-btn {
	position: relative;
	overflow: hidden;
	display: inline-grid;
	place-items: center;
	width: 40px;
	height: 40px;
	border: none;
	border-radius: var(--shape-full);
	background: transparent;
	color: var(--md-on-surface-variant);
	cursor: pointer;
	transition: color var(--dur) var(--ease);
	-webkit-tap-highlight-color: transparent;
}

.icon-btn::before {
	content: "";
	position: absolute;
	inset: 0;
	background: currentColor;
	opacity: 0;
	transition: opacity var(--dur) var(--ease);
}

.icon-btn:hover {
	color: var(--md-on-surface);
	text-decoration: none;
}

.icon-btn:hover::before {
	opacity: 0.08;
}

/* ripple */
.ripple {
	position: absolute;
	border-radius: 50%;
	transform: scale(0);
	background: currentColor;
	opacity: 0.24;
	pointer-events: none;
	animation: ripple 500ms var(--ease);
}

@keyframes ripple {
	to {
		transform: scale(2.6);
		opacity: 0;
	}
}

/* ---------- layout ---------- */

main {
	max-width: var(--maxw);
	margin: 0 auto;
	padding: 0 1.25rem 5rem;
}

section {
	padding-top: 5rem;
}

.section-head {
	display: flex;
	align-items: center;
	gap: 0.6rem;
	margin: 0 0 1.75rem;
}

.section-head .material-symbols-outlined {
	color: var(--md-primary);
	font-size: 24px;
}

.section-head h2 {
	font-size: 1.375rem;
	font-weight: 500;
	margin: 0;
	letter-spacing: 0;
}

/* ---------- hero ---------- */

.hero {
	padding-top: 4.5rem;
	padding-bottom: 1rem;
	display: grid;
	gap: 2.5rem;
	align-items: center;
}

@media (min-width: 900px) {
	.hero {
		grid-template-columns: 1.05fr 0.95fr;
		gap: 3.5rem;
	}
}

.hero-intro {
	display: grid;
	gap: 1.5rem;
	align-content: center;
}

.identity {
	display: flex;
	align-items: center;
	gap: 1.1rem;
}

/* Circular profile photo. Tune framing with the --face-* vars if the crop is
   off — the source is a wide webcam shot, so it's zoomed in on the face. */
.avatar {
	--face-x: 50%;
	--face-y: 22%;
	--face-zoom: 1.2;
	position: relative;
	flex-shrink: 0;
	width: 84px;
	height: 84px;
	border-radius: 50%;
	overflow: hidden;
	background: var(--md-surface-container-high);
	box-shadow: var(--elev-2);
	outline: 2px solid var(--md-outline-variant);
	outline-offset: 2px;
}

.avatar img {
	width: 100%;
	height: 100%;
	object-fit: cover;
	object-position: var(--face-x) var(--face-y);
	transform: scale(var(--face-zoom));
	transform-origin: var(--face-x) var(--face-y);
	position: relative;
	z-index: 1;
}

.avatar-initials {
	position: absolute;
	inset: 0;
	display: grid;
	place-items: center;
	font-size: 1.75rem;
	font-weight: 500;
	color: var(--md-primary);
	background: var(--md-surface-container-high);
}

.chips {
	display: flex;
	flex-wrap: wrap;
	gap: 0.5rem;
}

.chip {
	font-size: 0.8rem;
	font-weight: 500;
	color: var(--md-on-surface-variant);
	background: var(--md-surface-container-high);
	border: 1px solid var(--md-outline-variant);
	border-radius: var(--shape-sm);
	padding: 0.3rem 0.7rem;
	line-height: 1.2;
}

.hero h1 {
	font-size: clamp(2.5rem, 7vw, 3.75rem);
	font-weight: 400;
	line-height: 1.05;
	letter-spacing: -0.01em;
	margin: 0;
}

.hero .role {
	font-size: 1.25rem;
	font-weight: 400;
	color: var(--md-primary);
	margin: 0.5rem 0 0;
}

.hero .tagline {
	font-size: 1.05rem;
	line-height: 1.65;
	color: var(--md-on-surface-variant);
	max-width: 38ch;
	margin: 0;
}

.btn-row {
	display: flex;
	flex-wrap: wrap;
	gap: 0.75rem;
	margin-top: 0.25rem;
}

/* ---------- terminal (as Material card) ---------- */

.terminal {
	border-radius: var(--shape-lg);
	background: var(--md-surface-container-low);
	box-shadow: var(--elev-2);
	overflow: hidden;
	width: 100%;
	max-width: 40rem;
	margin-inline: auto;
}

@media (min-width: 900px) {
	.hero .terminal {
		max-width: none;
		margin-inline: 0;
	}
}

.terminal-bar {
	display: flex;
	align-items: center;
	gap: 0.5rem;
	padding: 0.65rem 0.9rem;
	background: var(--md-surface-container-high);
	font-family: var(--font-mono);
	font-size: 0.75rem;
	color: var(--md-on-surface-variant);
}

.terminal-bar .dot {
	width: 11px;
	height: 11px;
	border-radius: 50%;
	display: inline-block;
}

.dot.r { background: #ff5f56; }
.dot.y { background: #ffbd2e; }
.dot.g { background: #27c93f; }

.terminal-bar .path {
	margin-left: 0.5rem;
}

.terminal-body {
	padding: 1rem 1.1rem 1.2rem;
	font-family: var(--font-mono);
	font-size: 0.9rem;
	line-height: 1.6;
	margin: 0;
	height: 20rem;
	overflow-y: auto;
	cursor: text;
	background: var(--md-surface-container-lowest);
	scrollbar-width: thin;
	scrollbar-color: var(--md-outline-variant) transparent;
}

.terminal-body::-webkit-scrollbar {
	width: 8px;
}

.terminal-body::-webkit-scrollbar-thumb {
	background: var(--md-outline-variant);
	border-radius: 4px;
}

.terminal-body .line {
	margin: 0.15rem 0;
	white-space: pre-wrap;
	word-break: break-word;
}

.terminal-body .prompt {
	color: var(--md-primary);
	user-select: none;
}

.terminal-body .out {
	color: var(--md-on-surface-variant);
}

.terminal-body .err {
	color: var(--md-error);
}

.terminal-body a {
	color: var(--md-primary);
}

.term-inputline {
	display: flex;
	align-items: baseline;
	gap: 0.5ch;
	margin-top: 0.15rem;
}

.term-input {
	flex: 1;
	min-width: 0;
	background: transparent;
	border: none;
	outline: none;
	color: var(--md-on-surface);
	font-family: var(--font-mono);
	font-size: 0.9rem;
	line-height: 1.6;
	padding: 0;
	caret-color: var(--md-primary);
}

/* ---------- cards / experience ---------- */

.timeline {
	display: grid;
	gap: 1rem;
	position: relative;
}

@media (min-width: 560px) {
	.timeline {
		padding-left: 2rem;
	}

	.timeline::before {
		content: "";
		position: absolute;
		left: 6px;
		top: 12px;
		bottom: 12px;
		width: 2px;
		background: var(--md-outline-variant);
	}

	.timeline .card::before {
		content: "";
		position: absolute;
		left: -2rem;
		top: 1.6rem;
		width: 14px;
		height: 14px;
		border-radius: 50%;
		background: var(--md-primary);
		box-shadow: 0 0 0 4px var(--md-background);
	}

	.timeline .card {
		position: relative;
	}
}

.card {
	border-radius: var(--shape-lg);
	background: var(--md-surface-container-low);
	box-shadow: var(--elev-1);
	padding: 1.25rem 1.4rem;
	transition: box-shadow var(--dur) var(--ease), background var(--dur) var(--ease);
}

.card.interactive:hover {
	box-shadow: var(--elev-2);
	background: var(--md-surface-container);
}

.entry-head {
	display: flex;
	flex-wrap: wrap;
	align-items: baseline;
	justify-content: space-between;
	gap: 0.25rem 1rem;
}

.entry-role {
	font-weight: 500;
	font-size: 1.1rem;
	color: var(--md-on-surface);
}

.entry-org {
	color: var(--md-primary);
	font-size: 0.95rem;
}

.entry-dates {
	font-family: var(--font-mono);
	font-size: 0.8rem;
	color: var(--md-on-surface-variant);
	white-space: nowrap;
}

.entry p {
	margin: 0.6rem 0 0;
	color: var(--md-on-surface-variant);
}

/* ---------- certs ---------- */

.cert-list {
	list-style: none;
	margin: 0;
	padding: 0;
	display: grid;
	gap: 0.75rem;
}

.cert-list li {
	border-radius: var(--shape-md);
	background: var(--md-surface-container-low);
	box-shadow: var(--elev-1);
	padding: 0.9rem 1.1rem;
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	justify-content: space-between;
	gap: 0.4rem 1rem;
	transition: box-shadow var(--dur) var(--ease);
}

.cert-list li:hover {
	box-shadow: var(--elev-2);
}

.cert-name {
	display: inline-flex;
	align-items: center;
	gap: 0.5rem;
	font-weight: 500;
}

.cert-name .material-symbols-outlined {
	color: var(--md-tertiary);
	font-size: 20px;
}

a.cert-name {
	color: var(--md-primary);
}

.cert-meta {
	font-family: var(--font-mono);
	font-size: 0.8rem;
	color: var(--md-on-surface-variant);
}

/* ---------- elsewhere ---------- */

.link-grid {
	display: grid;
	grid-template-columns: repeat(auto-fill, minmax(14rem, 1fr));
	gap: 1rem;
}

.link-card {
	border-radius: var(--shape-lg);
	background: var(--md-surface-container-low);
	box-shadow: var(--elev-1);
	padding: 1.1rem 1.2rem;
	display: block;
	position: relative;
	overflow: hidden;
	transition: box-shadow var(--dur) var(--ease), background var(--dur) var(--ease);
}

.link-card:hover {
	box-shadow: var(--elev-2);
	background: var(--md-surface-container);
	text-decoration: none;
}

.lc-title {
	display: flex;
	align-items: center;
	gap: 0.6rem;
	color: var(--md-on-surface);
	font-weight: 500;
}

.lc-title .lead {
	color: var(--md-primary);
}

.lc-title .arrow {
	margin-left: auto;
	color: var(--md-on-surface-variant);
	font-size: 20px;
}

.lc-sub {
	color: var(--md-on-surface-variant);
	font-size: 0.875rem;
	margin-top: 0.4rem;
	padding-left: 1.9rem;
}

.link-card.soon {
	opacity: 0.6;
	cursor: not-allowed;
}

.link-card.soon:hover {
	box-shadow: var(--elev-1);
	background: var(--md-surface-container-low);
}

.link-card.soon .lead {
	color: var(--md-on-surface-variant);
}

/* ---------- extended FAB ---------- */

.fab {
	position: fixed;
	right: 1.5rem;
	bottom: 1.5rem;
	z-index: 40;
	display: inline-flex;
	align-items: center;
	gap: 0.6rem;
	height: 56px;
	padding: 0 1.25rem;
	border-radius: var(--shape-lg);
	border: none;
	background: var(--md-primary-container);
	color: var(--md-on-primary-container);
	font-family: var(--font-sans);
	font-size: 0.95rem;
	font-weight: 500;
	box-shadow: var(--elev-3);
	cursor: pointer;
	overflow: hidden;
	position: fixed;
	transition: box-shadow var(--dur) var(--ease);
	-webkit-tap-highlight-color: transparent;
}

.fab::before {
	content: "";
	position: absolute;
	inset: 0;
	background: currentColor;
	opacity: 0;
	transition: opacity var(--dur) var(--ease);
}

.fab:hover {
	box-shadow: var(--elev-3), 0 0 0 1px transparent;
	text-decoration: none;
}

.fab:hover::before {
	opacity: 0.08;
}

/* ---------- footer ---------- */

.site-footer {
	border-top: 1px solid var(--md-outline-variant);
	margin-top: 3rem;
}

.footer-inner {
	max-width: var(--maxw);
	margin: 0 auto;
	padding: 1.5rem 1.25rem;
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	justify-content: space-between;
	gap: 0.5rem;
	font-size: 0.85rem;
	color: var(--md-on-surface-variant);
}

/* ---------- scroll reveal ---------- */

/* Hidden state is gated behind .has-reveal (added by JS only when the observer
   is wired up) so content is never invisible if JS/IO fails to run. */
.has-reveal .reveal {
	opacity: 0;
	transform: translateY(18px);
	transition: opacity 0.6s var(--ease), transform 0.6s var(--ease);
	transition-delay: var(--reveal-delay, 0ms);
}

.has-reveal .reveal.in {
	opacity: 1;
	transform: none;
}

@media (prefers-reduced-motion: reduce) {
	* {
		scroll-behavior: auto;
	}
	.ripple {
		display: none;
	}
	.reveal {
		opacity: 1;
		transform: none;
		transition: none;
	}
}