/* Hi */

* {
	margin: 0;
	padding: 0;
	box-sizing: border-box;
}

:root {
	--font-mono: Roboto, Consolas, monospace;
	--text-primary: #2a2a2a;
	--text-secondary: #555555;
	--bg-main: #fafafa;
	--bg-subtle: #f5f5f5;
	--border-color: #e5e5e5;
	--link-hover: #000000;
	--transition-smooth: cubic-bezier(0.4, 0, 0.2, 1);
	--transition-fast: 120ms cubic-bezier(0.1, 0.7, 0.1, 1);
	--theme-toggle-size: 32px;
	--signature-color: #165fe8;
	--selection-bg: rgba(22, 95, 232, 0.2);
	--selection-color: var(--text-primary);
	--page-transition: 0.4s var(--transition-smooth);
	--popup-bg: rgba(0, 0, 0, 0.1);
	--z-page: 1;
	--z-theme: 2;
	--z-popup: 3;
	--highlight-text: rgba(67, 90, 111, 0.08);
}

/* Dark theme variables */
[data-theme="dark"] {
	--text-primary: #d1d1d1;
	--text-secondary: #999999;
	--bg-main: #1a1a1e;
	--bg-subtle: #18181c;
	--border-color: #272729;
	--link-hover: #ffffff;
	--signature-color: #71a2ff;
	--selection-bg: rgba(113, 162, 255, 0.2);
	--selection-color: var(--text-primary);
	--highlight-text: rgba(152, 170, 189, 0.08);
}

body {
	font-family: var(--font-mono);
	line-height: 1.5;
	color: var(--text-primary);
	font-size: 14px;
	-webkit-font-smoothing: antialiased;
	background: var(--bg-main);
	letter-spacing: -0.011em;
}

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

a:hover {
	color: var(--link-hover);
}

::selection {
	background: var(--selection-bg);
	color: var(--selection-color);
}

.highlight-text {
	background-color: var(--highlight-text);
	border-radius: 3px;
	padding: 2px 4px;
	margin: 0 -4px;
}

#page-wrapper {
	transition: opacity var(--transition-fast);
	position: relative;
	z-index: var(--z-page);
}

#popup-wrapper {
	position: fixed;
	z-index: var(--z-popup);
	pointer-events: none;
}

.container {
	max-width: 520px;
	margin: 0 auto;
	padding: 0 24px;
}

.header {
	padding: 72px 0 12px;
}

.header-id .logo {
	width: 36px;
	height: 36px;
	margin-bottom: 24px;
	border-radius: 4px;
	cursor: pointer;
	transform: rotate(0deg);
	transition: transform 0.2s var(--transition-smooth);
}

.header-id h1 {
	font-size: 30px;
	font-weight: 500;
	margin-bottom: 16px;
	line-height: 1.3;
}

.header-id h1 .title {
	letter-spacing: -0.02em;
	display: inline-block;
}

.header-id h1 .byline {
	display: block;
	color: var(--text-secondary);
	font-size: 14px;
	font-weight: 400;
	margin-top: 4px;
	letter-spacing: normal;
}

.header-desc {
	color: var(--text-secondary);
	font-size: 13px;
	margin-bottom: 8px;
}

.projects,
.companies,
.services,
.founder-message {
	padding: 48px 0;
}

.companies,
.services,
.founder-message,
.footer {
	border-top: 1px solid var(--border-color);
}

.projects h2,
.companies h2,
.services h2,
.founder-message h2 {
	font-size: 16px;
	margin-bottom: 24px;
	font-weight: 500;
	letter-spacing: -0.02em;
}

.card-grid {
	display: grid;
	gap: 16px;
}

.card {
	padding: 16px;
	margin: 0 -16px;
	border: 1px solid var(--border-color);
	border-radius: 4px;
	transition: background-color var(--transition-fast);
	will-change: background-color;
	background-color: transparent;
}

.card:hover {
	background-color: var(--bg-subtle);
}

.card.is-available {
	border-style: dashed;
}

.card.is-available:hover .cursor {
	display: inline;
}

.card h3 {
	font-size: 14px;
	margin-bottom: 8px;
	font-weight: 500;
}

.card p {
	font-size: 13px;
	color: var(--text-secondary);
}

.card .card-icon {
	width: 24px;
	height: 24px;
	display: block;
	margin-bottom: 14px;
}

.founder-message p {
	color: var(--text-secondary);
	font-size: 13px;
	margin-bottom: 16px;
	max-width: 580px;
}

.founder-message p:last-child {
	margin-bottom: 0;
}

.founder-name {
	margin-top: 24px;
	font-weight: 500;
	color: var(--text-primary);
}

.founder-photos {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: 16px;
	margin: 24px 0;
}

.founder-photos img {
	display: block;
	max-width: 100%;
	height: auto;
	border-radius: 4px;
	border: 1px solid var(--border-color);
	transition: filter var(--transition-fast);
}

.founder-photos img:hover {
	filter: brightness(1.05);
}

.signature-container {
	margin-top: 24px;
}

.footer {
	padding: 48px 0;
	margin-top: 48px;
}

.social-links {
	display: flex;
	gap: 16px;
	justify-content: flex-start;
	white-space: nowrap;
}

.social-link {
	color: var(--text-secondary);
	font-size: 13px;
	transition: color var(--transition-fast);
}

.social-link:hover {
	color: var(--text-primary);
}

/* Performance optimization for images */
img {
	backface-visibility: hidden;
	-webkit-backface-visibility: hidden;
}

/* Better mobile tap targets */
@media (max-width: 768px) {
	.header {
		padding: 56px 0 40px;
	}

	.header h1 {
		font-size: 24px;
	}
}

@media (prefers-reduced-motion: reduce) {
	* {
		transition-duration: 0.01ms !important;
		animation-duration: 0.01ms !important;
		animation-iteration-count: 1 !important;
		scroll-behavior: auto !important;
	}
}

/* Theme toggle styles */
.theme-toggle {
	position: fixed;
	top: 20px;
	right: 20px;
	width: var(--theme-toggle-size);
	height: var(--theme-toggle-size);
	padding: 8px;
	border-radius: 50%;
	border: 1px solid var(--border-color);
	background: var(--bg-main);
	color: var(--text-primary);
	cursor: pointer;
	transition: background-color var(--transition-fast);
	z-index: var(--z-theme);
}

.theme-toggle:hover {
	background: var(--bg-subtle);
}

.theme-toggle svg {
	width: 100%;
	height: 100%;
}

.reaction-overlay {
	position: fixed;
	width: 308px;
	height: 176px;
	z-index: 9999;
	pointer-events: none;
}

.cursor {
	display: none;
	animation: blink 1s step-end infinite;
	color: var(--signature-color);
}

@keyframes blink {

	0%,
	100% {
		opacity: 1;
	}

	50% {
		opacity: 0;
	}
}

/* Email popup styles */
.email-popup {
	position: fixed;
	inset: 0;
	background: transparent;
	pointer-events: all;
	display: flex;
	align-items: center;
	justify-content: center;
	animation: fadeBackground 400ms var(--transition-smooth) forwards;
}

.email-popup.closing {
	animation: fadeBackgroundOut 400ms var(--transition-smooth) forwards;
}

.email-popup-content {
	background: var(--bg-main);
	padding: 48px 24px 24px 24px;
	border-radius: 4px;
	border: 1px solid var(--border-color);
	text-align: center;
	animation: slideFromLeft 400ms var(--transition-smooth);
	width: 100%;
	max-width: 300px;
	margin-top: 36px;
	position: relative;
}

.email-popup.closing .email-popup-content {
	animation: slideToRight 400ms var(--transition-smooth) forwards;
}

.email-popup-content h3 {
	font-weight: 500;
	color: var(--text-primary);
	margin-bottom: 8px;
	letter-spacing: -0.02em;
}

.email-popup-content p {
	color: var(--text-secondary);
	margin-bottom: 16px;
}

.email-popup-content button {
	background: var(--bg-subtle);
	border: 1px solid var(--border-color);
	padding: 8px 16px;
	border-radius: 4px;
	color: var(--text-primary);
	cursor: pointer;
	font-family: var(--font-mono);
	transition: background-color var(--transition-fast);
}

.email-popup-content button:hover {
	background: var(--border-color);
}

.email-popup-avatar {
	position: absolute;
	top: -36px;
	left: 50%;
	transform: translateX(-50%);
	width: 72px;
	height: 72px;
	border-radius: 50%;
	border: 1px solid var(--border-color);
	object-fit: cover;
	background: var(--bg-main);
}

@keyframes fadeBackground {
	from {
		background-color: transparent;
	}

	to {
		background-color: var(--popup-bg);
	}
}

@keyframes fadeBackgroundOut {
	from {
		background-color: var(--popup-bg);
	}

	to {
		background-color: transparent;
	}
}

@keyframes slideFromLeft {
	from {
		opacity: 0;
		transform: translateX(-100vw);
	}

	to {
		opacity: 1;
		transform: translateX(0);
	}
}

@keyframes slideToRight {
	from {
		opacity: 1;
		transform: translateX(0);
	}

	to {
		opacity: 0;
		transform: translateX(100vw);
	}
}