/*
	Modern Portfolio Design for Pushti Shah
	Clean, minimalist single-page scroll design
*/

/* ===== CSS VARIABLES ===== */
:root {
	/* Colors */
	--color-primary: #000000;
	--color-secondary: #666666;
	--color-accent: #ffc34d;
	--color-bg: #ffffff;
	--color-bg-alt: #fafafa;
	--color-border: #e5e5e5;
	--color-text: #1a1a1a;
	--color-text-light: #666666;
	--color-text-lighter: #999999;

	/* Typography */
	--font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
	--font-display: 'Playfair Display', Georgia, serif;

	/* Spacing */
	--spacing-xs: 0.5rem;
	--spacing-sm: 1rem;
	--spacing-md: 2rem;
	--spacing-lg: 4rem;
	--spacing-xl: 7rem;
	--spacing-xxl: 10rem;

	/* Layout */
	--max-width: 1200px;
	--max-width-text: 680px;
	--border-radius: 8px;
	--transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ===== RESET & BASE STYLES ===== */
* {
	margin: 0;
	padding: 0;
	box-sizing: border-box;
}

html {
	scroll-behavior: smooth;
	font-size: 16px;
}

body {
	font-family: var(--font-primary);
	color: var(--color-text);
	background-color: var(--color-bg);
	line-height: 1.7;
	font-weight: 400;
	-webkit-font-smoothing: antialiased;
	-moz-osx-font-smoothing: grayscale;
	position: relative;
}

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

a {
	color: inherit;
	text-decoration: none;
}

/* ===== TYPOGRAPHY ===== */
h1, h2, h3, h4, h5, h6 {
	font-family: var(--font-display);
	line-height: 1.2;
	font-weight: 700;
}

h1 {
	font-size: clamp(2.5rem, 8vw, 5rem);
}

h2 {
	font-size: clamp(2rem, 5vw, 3.5rem);
}

h3 {
	font-size: clamp(1.5rem, 3vw, 2rem);
}

p {
	margin-bottom: 1rem;
}

.lead {
	font-size: 1.25rem;
	font-weight: 500;
	line-height: 1.7;
	color: var(--color-primary);
}

/* ===== LAYOUT UTILITIES ===== */
.container {
	max-width: var(--max-width);
	margin: 0 auto;
	padding: 0 var(--spacing-md);
}

section {
	padding: var(--spacing-xxl) 0;
	position: relative;
}

/* ===== NAVIGATION ===== */
#nav {
	position: fixed;
	top: 0;
	left: 0;
	right: 0;
	background: rgba(255, 255, 255, 0.95);
	backdrop-filter: blur(10px);
	border-bottom: 1px solid var(--color-border);
	z-index: 1000;
	transition: var(--transition);
}

#nav.scrolled {
	box-shadow: 0 2px 20px rgba(0, 0, 0, 0.05);
}

.nav-container {
	max-width: var(--max-width);
	margin: 0 auto;
	padding: var(--spacing-md);
	display: flex;
	justify-content: space-between;
	align-items: center;
}

.nav-logo {
	font-family: var(--font-display);
	font-size: 1.25rem;
	font-weight: 700;
	color: var(--color-primary);
	transition: var(--transition);
}

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

.nav-links {
	display: flex;
	gap: var(--spacing-lg);
}

.nav-links a {
	font-size: 0.95rem;
	font-weight: 500;
	color: var(--color-secondary);
	position: relative;
	transition: color 0.3s ease;
	text-transform: lowercase;
}

.nav-links a::after {
	content: '';
	position: absolute;
	bottom: -4px;
	left: 0;
	width: 0;
	height: 2px;
	background: var(--color-accent);
	transition: width 0.3s ease;
	border-radius: 2px;
}

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

.nav-links a:hover::after {
	width: 100%;
}

/* ===== HERO SECTION ===== */
.hero {
	min-height: 100vh;
	display: flex;
	align-items: center;
	justify-content: center;
	padding-top: 80px;
	background: linear-gradient(180deg, #ffffff 0%, #fafafa 100%);
}

.hero-content {
	text-align: center;
	max-width: 800px;
	margin: 0 auto;
}

.hero-title {
	margin-bottom: var(--spacing-sm);
	color: var(--color-primary);
}

.hero-subtitle {
	font-size: clamp(1.5rem, 4vw, 2.5rem);
	font-weight: 300;
	color: var(--color-secondary);
	margin-bottom: var(--spacing-md);
	min-height: 60px;
}

.rotating-text {
	display: inline-block;
	position: relative;
	color: var(--color-accent);
	font-weight: 500;
}

.hero-description {
	font-size: 1.125rem;
	color: var(--color-text-light);
	max-width: 600px;
	margin: 0 auto var(--spacing-lg);
	line-height: 1.85;
	font-weight: 400;
}

.hero-cta {
	display: flex;
	gap: var(--spacing-md);
	justify-content: center;
	flex-wrap: wrap;
}

/* ===== BUTTONS ===== */
.btn {
	display: inline-block;
	font-family: var(--font-primary);
	padding: 1rem 2rem;
	font-size: 1rem;
	font-weight: 500;
	border-radius: var(--border-radius);
	transition: var(--transition);
	cursor: pointer;
	border: 2px solid transparent;
	min-width: 140px;
	text-align: center;
}

.btn-primary {
	background: var(--color-primary);
	color: white;
}

.btn-primary:hover {
	background: var(--color-accent);
	color: var(--color-primary);
	transform: translateY(-2px);
	box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
}

.btn-secondary {
	background: var(--color-primary);
	color: white;
	border: 2px solid transparent;
}

.btn-secondary:hover {
	background: var(--color-accent);
	color: var(--color-primary);
	transform: translateY(-2px);
	border: 2px solid transparent;
}

.btn-full {
	width: 100%;
}

/* ===== SCROLL INDICATOR ===== */
.scroll-indicator {
	position: absolute;
	bottom: var(--spacing-lg);
	left: 50%;
	transform: translateX(-50%);
	text-align: center;
	animation: bounce 2s infinite;
}

.scroll-indicator span {
	display: block;
	font-size: 0.875rem;
	color: var(--color-text-lighter);
	margin-bottom: var(--spacing-xs);
	text-transform: uppercase;
	letter-spacing: 1px;
}

.scroll-arrow {
	width: 24px;
	height: 24px;
	border-left: 2px solid var(--color-text-lighter);
	border-bottom: 2px solid var(--color-text-lighter);
	transform: rotate(-45deg);
	margin: 0 auto;
}

@keyframes bounce {
	0%, 20%, 50%, 80%, 100% {
		transform: translateX(-50%) translateY(0);
	}
	40% {
		transform: translateX(-50%) translateY(-10px);
	}
	60% {
		transform: translateX(-50%) translateY(-5px);
	}
}

/* ===== SECTION HEADERS ===== */
.section-header {
	text-align: center;
	margin-bottom: var(--spacing-md);
}

.section-label {
	display: inline-block;
	font-family: var(--font-display);
	font-size: 1.5rem;
	letter-spacing: 2px;
	color: var(--color-accent);
	font-weight: 600;
	margin-bottom: var(--spacing-sm);
}

.section-title {
	margin-bottom: var(--spacing-md);
	color: var(--color-primary);
}

.section-description {
	font-size: 1.125rem;
	color: var(--color-text-light);
	max-width: 600px;
	margin: 0 auto;
}

/* ===== ABOUT SECTION ===== */
.about {
	background: var(--color-bg);
	padding: var(--spacing-xxl) 0;
}

.about-content-centered {
	max-width: 680px;
	margin: 0 auto;
	text-align: center;
}

.about-image-circle {
	max-width: 400px;
	margin: 0 auto var(--spacing-xl);
}

.about-image-circle img {
	width: 100%;
	height: auto;
	display: block;
}

.about-label {
	font-family: var(--font-display);
	font-size: 1.5rem;
	font-weight: 600;
	letter-spacing: 2px;
	color: var(--color-accent);
	margin-bottom: var(--spacing-md);
	text-align: center;
	text-transform: lowercase;
}

.about-text-centered {
	font-size: 1.125rem;
	line-height: 1.85;
	color: var(--color-text);
	text-align: left;
	max-width: 65ch;
	font-weight: 400;
}

.about-text-centered p {
	margin-bottom: 2rem;
}

.about-text-centered a {
	color: var(--color-primary);
	text-decoration: none;
	border-bottom: 1px solid var(--color-primary);
	transition: var(--transition);
}

.about-text-centered a:hover {
	color: var(--color-accent);
	border-bottom-color: var(--color-accent);
}

.ping-link {
	font-weight: 500;
	color: #0066cc !important;
	border-bottom: 1px solid #0066cc !important;
}

.ping-link:hover {
	color: #0052a3 !important;
	border-bottom-color: #0052a3 !important;
}

/* ===== WORK SECTION ===== */
.work {
	background: var(--color-bg-alt);
}

.work-grid {
	display: grid;
	grid-template-columns: repeat(2, 1fr);
	gap: var(--spacing-lg);
	max-width: 1000px;
	margin: 0 auto;
}

.work-card {
	background: white;
	border-radius: var(--border-radius);
	overflow: hidden;
	transition: var(--transition);
	border: 1px solid var(--color-border);
}

.work-card:hover {
	transform: translateY(-8px);
	box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
	border-color: var(--color-accent);
}

.work-card-link {
	display: block;
}

.work-card-image {
	position: relative;
	overflow: hidden;
	padding-top: 65%; /* Adjusted aspect ratio */
	background: #ffffff;
}

.work-card-image img {
	position: absolute;
	top: 5%;
	left: 5%;
	width: 90%;
	height: 90%;
	object-fit: contain;
	object-position: center;
	transition: var(--transition);
	filter: grayscale(100%);
}

.work-card:hover .work-card-image img {
	transform: scale(1.05);
	filter: grayscale(0%);
}

.work-card-content {
	padding: var(--spacing-lg);
	text-align: center;
}

.work-card-content h3 {
	font-size: 1.5rem;
	margin-bottom: var(--spacing-xs);
	color: var(--color-primary);
}

.work-role {
	font-size: 0.875rem;
	color: var(--color-secondary);
	font-weight: 400;
	letter-spacing: 0.5px;
	margin-bottom: 0;
}

.work-description {
	color: var(--color-text-light);
	margin-bottom: var(--spacing-sm);
	font-size: 0.9375rem;
	line-height: 1.6;
}

.work-tags {
	display: flex;
	flex-wrap: wrap;
	gap: var(--spacing-xs);
}

.tag {
	display: inline-block;
	padding: 0.25rem 0.75rem;
	font-size: 0.8125rem;
	background: var(--color-bg-alt);
	color: var(--color-text-light);
	border-radius: 20px;
	font-weight: 500;
}

/* ===== CONTACT SECTION ===== */
.contact {
	background: var(--color-bg);
}

.contact-icons-minimal {
	display: flex;
	justify-content: center;
	align-items: center;
	gap: var(--spacing-md);
}

.contact-icon-link {
	width: 32px;
	height: 32px;
	color: var(--color-text);
	transition: var(--transition);
	display: block;
}

.contact-icon-link svg {
	width: 100%;
	height: 100%;
}

.contact-icon-link:hover {
	color: var(--color-primary);
	transform: translateY(-2px);
}

/* ===== FOOTER ===== */
.footer {
	background: var(--color-primary);
	color: white;
	padding: var(--spacing-lg) 0;
	text-align: center;
	position: relative;
}

.footer-content {
	font-size: 0.9375rem;
}

.footer-content p {
	margin-bottom: 0.5rem;
}

.footer-credit a {
	color: var(--color-accent);
	text-decoration: underline;
	transition: var(--transition);
}

.footer-credit a:hover {
	color: white;
}

/* ===== ANIMATIONS ===== */
.fade-in {
	animation: fadeIn 0.8s ease-out;
}

.fade-in-delay-1 {
	animation: fadeIn 0.8s ease-out 0.2s both;
}

.fade-in-delay-2 {
	animation: fadeIn 0.8s ease-out 0.4s both;
}

.fade-in-delay-3 {
	animation: fadeIn 0.8s ease-out 0.6s both;
}

@keyframes fadeIn {
	from {
		opacity: 0;
		transform: translateY(20px);
	}
	to {
		opacity: 1;
		transform: translateY(0);
	}
}

/* ===== RESPONSIVE DESIGN ===== */
@media (max-width: 1024px) {
	:root {
		--spacing-xl: 4rem;
		--spacing-xxl: 6rem;
	}

	.about-image-circle {
		max-width: 350px;
	}
}

@media (max-width: 768px) {
	:root {
		--spacing-lg: 2rem;
		--spacing-xl: 3rem;
		--spacing-xxl: 4rem;
	}

	.nav-links {
		gap: var(--spacing-md);
	}

	.nav-links a {
		font-size: 0.875rem;
	}

	section {
		padding: var(--spacing-xl) 0;
	}

	.hero {
		min-height: 90vh;
	}

	.about-image-circle {
		max-width: 280px;
	}

	.about-text-centered {
		font-size: 1rem;
	}

	.work-grid {
		grid-template-columns: 1fr;
		gap: var(--spacing-md);
	}

	.hero-cta {
		flex-direction: column;
		align-items: stretch;
	}

	.btn {
		text-align: center;
	}
}

@media (max-width: 480px) {
	:root {
		--spacing-md: 1.5rem;
		--spacing-lg: 2rem;
		--spacing-xl: 2.5rem;
	}

	.container {
		padding: 0 var(--spacing-sm);
	}

	.nav-container {
		padding: var(--spacing-sm);
	}

	.nav-links {
		gap: var(--spacing-sm);
	}

	.scroll-indicator {
		display: none;
	}
}

/* ===== PROJECT NAVIGATION ===== */
.project-nav {
	display: flex;
	justify-content: space-between;
	gap: var(--spacing-md);
	padding-top: var(--spacing-lg);
	border-top: 1px solid var(--color-border);
	margin-top: var(--spacing-lg);
}

.project-nav-link {
	font-family: var(--font-display);
	font-size: 1.125rem;
	font-weight: 600;
	color: var(--color-primary);
	text-transform: lowercase;
	transition: var(--transition);
	position: relative;
	letter-spacing: 0.5px;
}

.project-nav-link:hover {
	color: var(--color-accent);
	transform: translateX(-2px);
}

.project-nav-link.next:hover {
	transform: translateX(2px);
}

.project-nav-link::after {
	content: '';
	position: absolute;
	bottom: -4px;
	left: 0;
	width: 0;
	height: 2px;
	background: var(--color-accent);
	transition: width 0.3s ease;
}

.project-nav-link:hover::after {
	width: 100%;
}

.project-nav-center {
	justify-content: center;
}

/* ===== UTILITY CLASSES ===== */
.text-center {
	text-align: center;
}

.mt-lg {
	margin-top: var(--spacing-lg);
}

.mb-lg {
	margin-bottom: var(--spacing-lg);
}