/* Basic reset */
* {
	box-sizing: border-box;
}
html {
	scroll-behavior: smooth;
}
body {
	margin: 0;
	font-family: system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial,
		sans-serif;
	background: var(--bg);
	color: var(--text);
}

/* Theme */
:root {
	--bg: #0f172a; /* slate-900 */
	--text: #e2e8f0; /* slate-200 */
	--muted: #94a3b8; /* slate-400 */
	--primary: #38bdf8; /* sky-400 */
	--secondary: #22c55e; /* green-500 */
	--card: #111827; /* gray-900 */
	--border: #1f2937; /* gray-800 */
}

.site-header {
	position: sticky;
	top: 0;
	backdrop-filter: blur(6px);
	background: rgba(15, 23, 42, 0.8);
	border-bottom: 1px solid var(--border);
	z-index: 1000;
}
.nav {
	max-width: 1000px;
	margin: 0 auto;
	display: flex;
	align-items: center;
	justify-content: space-between;
	padding: 0.75rem 1rem;
}
.nav .brand {
	color: var(--text);
	text-decoration: none;
	font-weight: 700;
	letter-spacing: 0.5px;
}
.nav .nav-links {
	list-style: none;
	display: flex;
	gap: 1rem;
	margin: 0;
	padding: 0;
}
.nav .nav-links a {
	color: var(--text);
	text-decoration: none;
	opacity: 0.9;
}
.nav .nav-links a:hover {
	color: var(--primary);
}
.menu-toggle {
	display: none;
}

.hero {
	display: grid;
	place-items: center;
	min-height: 60vh;
	padding: 2rem 1rem;
	text-align: center;
}
.hero .avatar-wrapper {
	width: 350px;
	height: 350px;
	position: relative;
	display: flex;
	align-items: center;
	justify-content: center;
}
.hero .avatar-wrapper::before {
	content: "";
	position: absolute;
	inset: 0;
	border-radius: 50%;
	background: conic-gradient(from 0deg, #fc466b, #3f5efb, #fc466b);
	animation: rotate-gradient 9s linear infinite;
	z-index: -1;
}
.hero .avatar {
	width: 342px;
	height: 342px;
	border-radius: 50%;
	object-fit: cover;
	object-position: center;
	display: block;
}
.hero h1 {
	margin: 1rem 0 0.5rem;
}
.subtitle {
	color: var(--muted);
	margin-bottom: 1rem;
}
.cta {
	display: flex;
	gap: 0.75rem;
	justify-content: center;
	flex-wrap: wrap;
}
.section {
	max-width: 1000px;
	margin: 0 auto;
	padding: 2rem 1rem;
}
.section h2 {
	font-size: clamp(1.5rem, 4vw, 2rem);
	margin-bottom: 1rem;
}
.section p {
	color: var(--text);
	opacity: 0.9;
}

.cards {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
	gap: 1rem;
}
.card {
	background: var(--card);
	border: 1px solid var(--border);
	border-radius: 12px;
	padding: 1rem;
}
.card h3 {
	margin-top: 0;
}

.button {
	display: inline-flex;
	align-items: center;
	gap: 0.5rem;
	padding: 0.6rem 0.9rem;
	border-radius: 999px;
	border: 1px solid var(--primary);
	color: var(--bg);
	background: var(--primary);
	text-decoration: none;
	font-weight: 600;
	font-size: 1rem; /* normalize size across <a> and <button> */
	line-height: 1; /* keep consistent height */
	appearance: none; /* remove native button styling */
	-webkit-appearance: none;
	cursor: pointer;
}
.button svg {
	width: 16px;
	height: 16px;
	flex: 0 0 auto;
}
.button.secondary {
	border-color: var(--secondary);
	background: transparent;
	color: var(--secondary);
}
.button:hover {
	filter: brightness(1.1);
}

.site-footer {
	border-top: 1px solid var(--border);
	padding: 2rem 1rem;
	text-align: center;
	color: var(--muted);
}

/* Email popover */
.email-popover {
	position: relative;
	display: inline-block;
}
.popover {
	display: none;
	position: absolute;
	bottom: 100%;
	margin-bottom: 10px;
	right: 0;
	background: var(--card);
	border: 1px solid var(--border);
	border-radius: 10px;
	padding: 0.5rem 0.75rem;
	box-shadow: 0 8px 24px rgba(0, 0, 0, 0.35);
	z-index: 1000;
}
.popover.open {
	display: inline-flex;
	align-items: center;
	gap: 0.5rem;
}
.popover::before,
.popover::after {
	content: "";
	position: absolute;
	top: 100%;
	right: 16px;
	width: 0;
	height: 0;
}
.popover::before {
	border-left: 7px solid transparent;
	border-right: 7px solid transparent;
	border-top: 7px solid var(--border);
}
.popover::after {
	margin-top: -1px;
	border-left: 6px solid transparent;
	border-right: 6px solid transparent;
	border-top: 6px solid var(--card);
}
.email-text {
	color: var(--text);
	font-weight: 600;
	white-space: nowrap;
}
.icon-button {
	display: inline-flex;
	align-items: center;
	gap: 0.35rem;
	padding: 0.35rem 0.6rem;
	border-radius: 8px;
	border: 1px solid var(--border);
	background: transparent;
	color: var(--text);
	cursor: pointer;
}
.icon-button:hover {
	border-color: var(--primary);
	color: var(--primary);
}
.copy-label {
	min-width: 7ch;
}
.copy-success {
	color: var(--secondary);
}

/* Responsive nav */
@media (max-width: 640px) {
	.menu-toggle {
		display: inline-flex;
		background: transparent;
		color: var(--text);
		border: 1px solid var(--border);
		border-radius: 8px;
		padding: 0.35rem 0.5rem;
	}
	.nav .nav-links {
		display: none;
		position: absolute;
		top: 56px;
		right: 12px;
		background: var(--card);
		border: 1px solid var(--border);
		border-radius: 10px;
		padding: 0.5rem;
		flex-direction: column;
	}
	.nav .nav-links.open {
		display: flex;
	}
}

@keyframes rotate-gradient {
	0% {
		transform: rotate(0deg);
	}
	100% {
		transform: rotate(360deg);
	}
}

@keyframes counter-rotate {
	0% {
		transform: rotate(0deg);
	}
	100% {
		transform: rotate(-360deg);
	}
}

@keyframes counter-rotate {
	0% {
		transform: rotate(0deg);
	}
	100% {
		transform: rotate(-360deg);
	}
}