/* ============================================
   Alec Lubin — Portfolio v5 (copy of v2)
   ============================================ */

:root {
	--bg: #0c0f18;
	--bg-elevated: #131720;
	--bg-card: #181c28;
	--text: #e8eef4;
	--text-muted: #94a3b8;
	--accent: #0ea5e9;
	--accent-hover: #38bdf8;
	--accent-subtle: rgba(14, 165, 233, 0.15);
	--border: rgba(255, 255, 255, 0.08);
	--radius: 12px;
	--radius-lg: 20px;
	--font-display: 'Syne', sans-serif;
	--font-body: 'DM Sans', sans-serif;
	--transition: 0.25s ease;
}

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

html {
	scroll-behavior: smooth;
}

/* Spacing when scrolling to section (e.g. from nav links) */
#about,
#projects,
#experience,
#contact {
	scroll-margin-top: 3.5rem;
}

body {
	margin: 0;
	font-family: var(--font-body);
	font-size: 1rem;
	line-height: 1.6;
	color: var(--text);
	background: var(--bg);
	-webkit-font-smoothing: antialiased;
	-moz-osx-font-smoothing: grayscale;
	font-variant-numeric: lining-nums;
	font-feature-settings: "lnum" 1;
}

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

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

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

.container {
	width: 100%;
	max-width: 1100px;
	margin: 0 auto;
	padding: 0 1.5rem;
}

/* ============================================
   Header & Nav
   ============================================ */

.header {
	position: fixed;
	top: 0;
	left: 0;
	right: 0;
	z-index: 110;
	padding: 1rem 0;
	background: rgba(13, 13, 15, 0.8);
	backdrop-filter: blur(12px);
	border-bottom: 1px solid var(--border);
	transition: background var(--transition);
	overflow: visible;
}

.nav {
	display: flex;
	align-items: center;
	justify-content: space-between;
}

.nav-logo {
	font-family: var(--font-display);
	font-weight: 700;
	font-size: 1.25rem;
	letter-spacing: 0.05em;
	color: var(--text);
}

.nav-logo:hover {
	color: var(--accent);
}

.nav-toggle {
	display: none;
	flex-direction: column;
	justify-content: center;
	align-items: center;
	gap: 5px;
	width: 44px;
	height: 44px;
	background: none;
	border: none;
	border-radius: var(--radius);
	cursor: pointer;
	padding: 0;
	transition: background var(--transition);
}

.nav-toggle:hover {
	background: var(--accent-subtle);
}

.nav-toggle span {
	display: block;
	width: 22px;
	height: 2px;
	background: var(--text);
	border-radius: 1px;
	transform-origin: center;
	transition: transform 0.25s ease, opacity 0.2s ease;
}

.nav-toggle[aria-expanded="true"] span:nth-child(1) {
	transform: rotate(45deg) translateY(7px);
}

.nav-toggle[aria-expanded="true"] span:nth-child(2) {
	opacity: 0;
	transform: scaleX(0);
}

.nav-toggle[aria-expanded="true"] span:nth-child(3) {
	transform: rotate(-45deg) translateY(-7px);
}

.nav-links {
	display: flex;
	list-style: none;
	margin: 0;
	padding: 0;
	gap: 2rem;
}

.nav-links a {
	color: var(--text-muted);
	font-weight: 500;
	font-size: 0.95rem;
}

.nav-links a:hover {
	color: var(--text);
}

/* ============================================
   Hero
   ============================================ */

.hero {
	position: relative;
	min-height: 72vh;
	display: flex;
	align-items: center;
	justify-content: center;
	padding: 8rem 0 4rem;
	overflow: hidden;
}

.hero-bg {
	position: absolute;
	inset: 0;
	background: 
		radial-gradient(ellipse 80% 50% at 50% 0%, rgba(14, 165, 233, 0.15) 0%, transparent 50%),
		radial-gradient(ellipse 60% 40% at 80% 60%, rgba(56, 189, 248, 0.08) 0%, transparent 40%);
	pointer-events: none;
}

/* Subtle dot pattern — soft texture, no lines */
.hero-bg::after {
	content: '';
	position: absolute;
	inset: 0;
	background-image: radial-gradient(circle at center, rgba(255,255,255,0.04) 1px, transparent 1px);
	background-size: 24px 24px;
	pointer-events: none;
}

.hero-content {
	position: relative;
	text-align: center;
}

.hero-title {
	font-family: var(--font-display);
	font-size: clamp(3rem, 10vw, 5.5rem);
	font-weight: 700;
	letter-spacing: -0.02em;
	line-height: 1.1;
	margin: 0 0 0.5rem;
}

.hero-tagline {
	font-size: clamp(1rem, 2.5vw, 1.25rem);
	color: var(--accent);
	font-weight: 500;
	margin: 0 0 0.25rem;
	letter-spacing: 0.15em;
}

.hero-sub {
	color: var(--text-muted);
	font-size: 1rem;
	margin: 0 0 2rem;
}

.hero-cta {
	display: inline-block;
	padding: 0.875rem 2rem;
	background: var(--accent);
	color: var(--bg) !important;
	font-weight: 600;
	border-radius: var(--radius);
	transition: background var(--transition), transform var(--transition);
}

.hero-cta:hover {
	background: var(--accent-hover);
	transform: translateY(-2px);
}

.hero-scroll {
	position: absolute;
	bottom: 2rem;
	left: 50%;
	transform: translateX(-50%);
}

.hero-scroll a {
	color: var(--text-muted);
	font-size: 1.5rem;
	animation: bounce 2s infinite;
}

.hero-scroll a:hover {
	color: var(--accent);
}

@keyframes bounce {
	0%, 100% { transform: translateY(0); }
	50% { transform: translateY(8px); }
}

/* ============================================
   Sections
   ============================================ */

.section {
	padding: 5rem 0;
}

.section-title {
	font-family: var(--font-display);
	font-size: clamp(2rem, 4vw, 2.5rem);
	font-weight: 600;
	margin: 0 0 0.5rem;
}

.section-subtitle {
	color: var(--text-muted);
	margin: 0 0 2.5rem;
}

.section-subtitle a {
	color: var(--text-muted);
}

.section-subtitle a:hover {
	color: var(--accent);
}

/* ============================================
   About
   ============================================ */

.section-about {
	background: var(--bg-elevated);
}

.about-grid {
	display: grid;
	grid-template-columns: 280px 1fr;
	gap: 3rem;
	align-items: start;
}

.about-image {
	border-radius: var(--radius-lg);
	overflow: hidden;
	box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
}

.about-image img {
	width: 100%;
	aspect-ratio: 1;
	object-fit: cover;
}

.about-content p {
	margin: 0 0 1rem;
	color: var(--text);
	font-size: 1.1rem;
}

.about-links {
	display: flex;
	gap: 1.5rem;
	margin-top: 1.5rem;
}

.about-links a {
	display: inline-flex;
	align-items: center;
	gap: 0.5rem;
	font-weight: 500;
}

/* ============================================
   Projects
   ============================================ */

.projects-grid {
	display: grid;
	grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
	gap: 1.5rem;
}

.project-card {
	display: flex;
	flex-direction: column;
	background: var(--bg-card);
	border: 1px solid var(--border);
	border-radius: var(--radius);
	overflow: visible;
	transition: border-color var(--transition), transform var(--transition);
}

.project-card:hover {
	border-color: var(--accent);
	transform: translateY(-4px);
}

.project-card:hover .project-poster img {
	transform: scale(1.03);
}

.project-poster {
	aspect-ratio: 2 / 3;
	overflow: hidden;
	background: var(--bg-elevated);
	border-radius: var(--radius) var(--radius) 0 0;
}

.project-poster img {
	width: 100%;
	height: 100%;
	object-fit: cover;
	transition: transform var(--transition);
}

.project-poster--placeholder {
	display: flex;
	align-items: center;
	justify-content: center;
	background: linear-gradient(135deg, var(--bg-elevated) 0%, var(--bg-card) 100%);
}

.project-poster-placeholder {
	font-family: var(--font-display);
	font-size: 1rem;
	font-weight: 600;
	color: var(--text-muted);
	text-align: center;
	padding: 1rem;
}

.project-info {
	padding: 1rem 1.25rem 1.5rem;
	display: flex;
	flex-direction: column;
	gap: 0.25rem;
	background: var(--bg-card);
	border-radius: 0 0 var(--radius) var(--radius);
}

.project-studio {
	display: block;
	font-size: 0.75rem;
	color: var(--accent);
	text-transform: uppercase;
	letter-spacing: 0.1em;
	font-variant-numeric: lining-nums;
}

.project-card h3 {
	font-family: var(--font-display);
	font-size: 1.1rem;
	font-weight: 600;
	margin: 0;
	color: var(--text);
	line-height: 1.45;
}

.project-link {
	font-size: 0.85rem;
	color: var(--text-muted);
	display: flex;
	align-items: center;
	gap: 0.35rem;
	margin-top: 0.25rem;
}

.project-card:hover .project-link {
	color: var(--accent);
}

/* ============================================
   Experience / Timeline
   ============================================ */

.section-experience {
	background: var(--bg-elevated);
}

.timeline {
	display: flex;
	flex-direction: column;
	gap: 0;
}

.timeline-item {
	display: grid;
	grid-template-columns: 140px 1fr;
	gap: 2rem;
	padding: 1.5rem 0;
	border-bottom: 1px solid var(--border);
	overflow: visible;
}

.timeline-content {
	overflow: visible;
}

.timeline-item:last-child {
	border-bottom: none;
}

.timeline-date {
	font-size: 0.9rem;
	color: var(--text-muted);
	font-weight: 500;
	font-variant-numeric: lining-nums;
}

.timeline-content h3 {
	font-family: var(--font-body);
	font-size: 1.1rem;
	font-weight: 600;
	margin: 0 0 0.5rem;
	color: var(--text);
	line-height: 1.5;
	font-variant-numeric: lining-nums;
	font-feature-settings: "lnum" 1;
}

.timeline-content p {
	margin: 0;
	color: var(--text-muted);
	font-size: 0.95rem;
}

/* ============================================
   Contact
   ============================================ */

.contact-links {
	display: flex;
	flex-wrap: wrap;
	gap: 1.5rem;
}

.contact-item {
	display: inline-flex;
	align-items: center;
	gap: 0.75rem;
	padding: 1rem 1.5rem;
	background: var(--bg-card);
	border: 1px solid var(--border);
	border-radius: var(--radius);
	transition: border-color var(--transition), background var(--transition);
}

.contact-item:hover {
	border-color: var(--accent);
	background: var(--accent-subtle);
}

.contact-item i {
	font-size: 1.25rem;
	color: var(--accent);
}

.contact-item span {
	font-weight: 500;
}

/* Hidden (keep in HTML, hide visually) */
.u-hidden {
	display: none !important;
}

/* ============================================
   Footer
   ============================================ */

.footer {
	padding: 2rem 0;
	border-top: 1px solid var(--border);
}

.footer .container {
	display: flex;
	align-items: center;
	justify-content: space-between;
	flex-wrap: wrap;
	gap: 1rem;
}

.footer p {
	margin: 0;
	color: var(--text-muted);
	font-size: 0.9rem;
}

.footer-social {
	display: flex;
	gap: 1rem;
}

.footer-social a {
	display: flex;
	align-items: center;
	justify-content: center;
	width: 40px;
	height: 40px;
	background: var(--bg-card);
	border: 1px solid var(--border);
	border-radius: var(--radius);
	color: var(--text-muted);
	transition: color var(--transition), border-color var(--transition);
}

.footer-social a:hover {
	color: var(--accent);
	border-color: var(--accent);
}

/* ============================================
   Responsive
   ============================================ */

@media (max-width: 768px) {
	.nav-toggle {
		display: flex;
	}

	.nav-backdrop {
		position: fixed;
		inset: 0;
		background: rgba(12, 15, 24, 0.35);
		backdrop-filter: blur(4px);
		-webkit-backdrop-filter: blur(4px);
		z-index: 95;
		opacity: 0;
		pointer-events: none;
		transition: opacity 0.5s ease;
	}

	body.nav-open .nav-backdrop {
		opacity: 1;
		pointer-events: auto;
	}

	.nav {
		overflow: visible;
	}

	.nav-links {
		position: fixed;
		top: 0;
		right: 0;
		bottom: 0;
		left: auto;
		width: 280px;
		max-width: 85vw;
		height: 100vh;
		min-height: 100vh;
		background: var(--bg-card);
		flex-direction: column;
		padding: 5.5rem 1.5rem 2rem;
		gap: 0;
		transform: translateX(100%);
		transition: transform 0.3s ease;
		border-left: 1px solid var(--border);
		box-shadow: -8px 0 32px rgba(0, 0, 0, 0.25);
		z-index: 100;
	}

	.nav-links.is-open {
		transform: translateX(0);
	}

	.nav-links li {
		border-bottom: 1px solid var(--border);
	}

	.nav-links li:last-child {
		border-bottom: none;
	}

	.nav-links a {
		display: block;
		padding: 1rem 0;
		font-size: 1.05rem;
		color: var(--text);
	}

	.nav-links a:hover {
		color: var(--accent);
	}

	.about-grid {
		grid-template-columns: 1fr;
		text-align: center;
	}

	.about-image {
		max-width: 240px;
		margin: 0 auto;
	}

	.about-links {
		justify-content: center;
	}

	.timeline-item {
		grid-template-columns: 1fr;
		gap: 0.25rem;
	}

	.timeline-date {
		font-size: 0.85rem;
	}

	.section-contact {
		padding-bottom: 3rem;
	}

	.contact-links {
		flex-direction: column;
		width: 100%;
		gap: 0.75rem;
	}

	.contact-item {
		width: 100%;
		justify-content: flex-start;
		box-sizing: border-box;
	}
}

@media (max-width: 480px) {
	.projects-grid {
		grid-template-columns: repeat(2, 1fr);
		gap: 1rem;
	}

	.project-info {
		padding: 0.75rem 1rem;
	}

	.project-card h3 {
		font-size: 0.95rem;
	}
}