/* Clean Portfolio Styles with Human-readable CSS Variables */
:root {
	/* Color Scheme - Minimal and Professional */
	--clean-white: #ffffff;
	--soft-white: #fafafa;
	--light-gray: #f5f5f5;
	--medium-gray: #e0e0e0;
	--text-dark: #2c3e50;
	--text-medium: #34495e;
	--text-light: #7f8c8d;
	--text-muted: #95a5a6;
	--brand-green: #1ab394;
	--brand-green-hover: #17a185;
	--brand-green-light: #e8f5f3;

	/* Typography */
	--main-font: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
	--font-size-small: 14px;
	--font-size-normal: 16px;
	--font-size-medium: 18px;
	--font-size-large: 24px;
	--font-size-xl: 32px;
	--font-size-xxl: 40px;
	--line-height-normal: 1.6;
	--line-height-tight: 1.3;

	/* Spacing */
	--space-xs: 0.5rem;
	--space-sm: 1rem;
	--space-md: 1.5rem;
	--space-lg: 2rem;
	--space-xl: 3rem;
	--space-xxl: 4rem;

	/* Layout */
	--sidebar-width: 80px;
	--content-max-width: 1200px;
	--border-radius: 8px;
	--border-radius-small: 4px;
	--box-shadow-light: 0 2px 10px rgba(0, 0, 0, 0.05);
	--box-shadow-medium: 0 4px 20px rgba(0, 0, 0, 0.1);

	/* Transitions */
	--transition-fast: 0.2s ease;
	--transition-smooth: 0.3s ease;
}

/* Reset and Base */
* {
	margin: 0;
	padding: 0;
	box-sizing: border-box;
}

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

body {
	font-family: var(--main-font);
	background-color: var(--clean-white);
	color: var(--text-dark);
	line-height: var(--line-height-normal);
}

/* Left Sidebar Navigation */
.side-navigation {
	position: fixed;
	left: 0;
	top: 0;
	bottom: 0;
	width: var(--sidebar-width);
	background-color: var(--clean-white);
	border-right: 1px solid var(--medium-gray);
	display: flex;
	flex-direction: column;
	align-items: center;
	padding: var(--space-lg) 0;
	z-index: 1000;
	box-shadow: 2px 0 10px rgba(0, 0, 0, 0.05);
}

.logo-container {
	margin-bottom: var(--space-xl);
	position: relative;
}

.profile-logo {
	width: 45px;
	height: 45px;
	border-radius: 50%;
	object-fit: cover;
	border: 2px solid var(--brand-green-light);
	transition: all var(--transition-smooth);
}

.profile-logo:hover {
	transform: scale(1.1);
	border-color: var(--brand-green);
}

.logo-glow {
	position: absolute;
	top: -2px;
	left: -2px;
	right: -2px;
	bottom: -2px;
	border-radius: 50%;
	background: linear-gradient(
		45deg,
		var(--brand-green),
		var(--brand-green-light)
	);
	opacity: 0;
	transition: opacity var(--transition-smooth);
	z-index: -1;
}

.profile-logo:hover + .logo-glow {
	opacity: 0.3;
}

.navigation-menu {
	list-style: none;
	display: flex;
	flex-direction: column;
	gap: var(--space-sm);
	flex: 1;
	width: 100%;
	padding: 0 var(--space-sm);
}

.navigation-link {
	position: relative;
	display: flex;
	flex-direction: column;
	align-items: center;
	padding: var(--space-md) var(--space-sm);
	border-radius: var(--border-radius);
	text-decoration: none;
	color: var(--text-light);
	transition: all var(--transition-smooth);
	min-height: 65px;
	justify-content: center;
	overflow: hidden;
}

.navigation-link::before {
	content: "";
	position: absolute;
	top: 0;
	left: -100%;
	width: 100%;
	height: 100%;
	background: linear-gradient(
		90deg,
		transparent,
		rgba(26, 179, 148, 0.1),
		transparent
	);
	transition: left var(--transition-smooth);
}

.navigation-link:hover::before {
	left: 100%;
}

.navigation-link:hover,
.navigation-link.active {
	background-color: var(--brand-green-light);
	color: var(--brand-green);
	transform: translateX(2px);
}

.nav-icon svg {
	width: 20px;
	height: 20px;
	transition: all var(--transition-smooth);
}

.navigation-link:hover .nav-icon svg,
.navigation-link.active .nav-icon svg {
	transform: scale(1.1);
}

.nav-text {
	font-size: 9px;
	font-weight: 600;
	letter-spacing: 0.8px;
	margin-top: var(--space-xs);
	opacity: 0.8;
	transition: all var(--transition-smooth);
}

.navigation-link:hover .nav-text,
.navigation-link.active .nav-text {
	opacity: 1;
	transform: translateY(-1px);
}

.nav-indicator {
	position: absolute;
	left: -2px;
	top: 50%;
	transform: translateY(-50%);
	width: 3px;
	height: 0;
	background: linear-gradient(
		to bottom,
		var(--brand-green),
		var(--brand-green-hover)
	);
	border-radius: 0 3px 3px 0;
	transition: height var(--transition-smooth);
}

.navigation-link.active .nav-indicator {
	height: 40px;
}

/* Social Media Section */
.social-media {
	display: flex;
	flex-direction: column;
	gap: var(--space-sm);
	margin-top: var(--space-lg);
	padding-top: var(--space-lg);
	border-top: 1px solid var(--medium-gray);
	width: 100%;
	align-items: center;
}

.social-link {
	display: flex;
	align-items: center;
	justify-content: center;
	width: 40px;
	height: 40px;
	color: var(--text-light);
	text-decoration: none;
	border-radius: var(--border-radius);
	transition: all var(--transition-smooth);
	position: relative;
	overflow: hidden;
}

.social-link::before {
	content: "";
	position: absolute;
	top: 0;
	left: 0;
	right: 0;
	bottom: 0;
	background: var(--brand-green);
	opacity: 0;
	transform: scale(0);
	transition: all var(--transition-smooth);
	border-radius: var(--border-radius);
}

.social-link:hover::before {
	opacity: 0.1;
	transform: scale(1);
}

.social-link:hover {
	color: var(--brand-green);
	transform: translateY(-2px);
}

.social-link svg {
	position: relative;
	z-index: 1;
	transition: transform var(--transition-smooth);
}

.social-link:hover svg {
	transform: scale(1.1);
}

/* Main Content Area */
.main-content {
	margin-left: var(--sidebar-width);
	min-height: 100vh;
}

.content-section {
	min-height: 100vh;
	padding: calc(var(--space-xxl) * 1.5) var(--space-xl);
	display: flex;
	flex-direction: column;
	justify-content: center;
	max-width: var(--content-max-width);
	margin: 0 auto;
}

/* Better spacing for sections */
.content-section:not(:last-child) {
	border-bottom: 1px solid var(--light-gray);
}

/* Section Titles */
.section-title {
	font-size: var(--font-size-xl);
	font-weight: 600;
	text-align: center;
	margin-bottom: var(--space-xxl);
	color: var(--text-dark);
	position: relative;
}

.section-title::after {
	content: "";
	position: absolute;
	bottom: -10px;
	left: 50%;
	transform: translateX(-50%);
	width: 60px;
	height: 3px;
	background: linear-gradient(
		90deg,
		var(--brand-green),
		var(--brand-green-hover)
	);
	border-radius: 2px;
}

.accent-text {
	color: var(--brand-green);
}

/* Home Section */
.home-section {
	background-color: var(--clean-white);
}

.hero-container {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: var(--space-xxl);
	align-items: center;
	margin-top: calc(var(--space-xxl) * -0.5);
}

.hero-text {
	padding-right: var(--space-lg);
}

.greeting {
	font-size: var(--font-size-medium);
	color: var(--text-light);
	display: block;
	margin-bottom: var(--space-sm);
	opacity: 0;
	animation: fadeInUp 0.8s ease forwards;
}

.hero-title {
	font-size: var(--font-size-xxl);
	font-weight: 700;
	margin-bottom: var(--space-sm);
	line-height: var(--line-height-tight);
	color: var(--text-dark);
	opacity: 0;
	animation: fadeInUp 0.8s ease 0.2s forwards;
}

.hero-subtitle {
	font-size: var(--font-size-large);
	color: var(--brand-green);
	font-weight: 500;
	margin-bottom: var(--space-md);
	opacity: 0;
	animation: fadeInUp 0.8s ease 0.4s forwards;
}

.hero-description {
	font-size: var(--font-size-normal);
	color: var(--text-medium);
	margin-bottom: var(--space-xl);
	max-width: 500px;
	line-height: 1.7;
	opacity: 0;
	animation: fadeInUp 0.8s ease 0.6s forwards;
}

.hero-actions {
	display: flex;
	gap: var(--space-md);
	opacity: 0;
	animation: fadeInUp 0.8s ease 0.8s forwards;
}

@keyframes fadeInUp {
	from {
		opacity: 0;
		transform: translateY(30px);
	}
	to {
		opacity: 1;
		transform: translateY(0);
	}
}

.primary-button {
	background-color: var(--brand-green);
	color: var(--clean-white);
	padding: var(--space-md) var(--space-xl);
	border-radius: var(--border-radius);
	text-decoration: none;
	font-weight: 500;
	transition: all var(--transition-fast);
	border: 2px solid var(--brand-green);
	position: relative;
	overflow: hidden;
}

.primary-button::before {
	content: "";
	position: absolute;
	top: 0;
	left: -100%;
	width: 100%;
	height: 100%;
	background: linear-gradient(
		90deg,
		transparent,
		rgba(255, 255, 255, 0.2),
		transparent
	);
	transition: left var(--transition-smooth);
}

.primary-button:hover::before {
	left: 100%;
}

.primary-button:hover {
	background-color: var(--brand-green-hover);
	transform: translateY(-3px);
	box-shadow: 0 8px 25px rgba(26, 179, 148, 0.3);
}

.secondary-button {
	background-color: transparent;
	color: var(--brand-green);
	padding: var(--space-md) var(--space-xl);
	border-radius: var(--border-radius);
	text-decoration: none;
	font-weight: 500;
	transition: all var(--transition-fast);
	border: 2px solid var(--brand-green);
	position: relative;
	overflow: hidden;
}

.secondary-button::before {
	content: "";
	position: absolute;
	top: 0;
	left: 0;
	width: 0;
	height: 100%;
	background-color: var(--brand-green);
	transition: width var(--transition-smooth);
	z-index: -1;
}

.secondary-button:hover::before {
	width: 100%;
}

.secondary-button:hover {
	color: var(--clean-white);
	transform: translateY(-3px);
	box-shadow: 0 8px 25px rgba(26, 179, 148, 0.2);
}

.hero-image {
	display: flex;
	justify-content: center;
	position: relative;
}

.profile-image {
	width: 350px;
	height: 350px;
	border-radius: 50%;
	object-fit: cover;
	box-shadow: var(--box-shadow-medium);
	position: relative;
	z-index: 2;
}

.image-decoration {
	position: absolute;
	top: 0;
	left: 0;
	right: 0;
	bottom: 0;
	pointer-events: none;
}

.floating-element {
	position: absolute;
	border-radius: 50%;
	opacity: 0.6;
	animation: float 6s ease-in-out infinite;
}

.floating-element-1 {
	width: 20px;
	height: 20px;
	background: linear-gradient(
		45deg,
		var(--brand-green),
		var(--brand-green-light)
	);
	top: 15%;
	right: 10%;
	animation-delay: 0s;
}

.floating-element-2 {
	width: 30px;
	height: 30px;
	background: linear-gradient(
		135deg,
		var(--brand-green-light),
		var(--brand-green)
	);
	bottom: 20%;
	left: 5%;
	animation-delay: 2s;
}

.floating-element-3 {
	width: 15px;
	height: 15px;
	background: linear-gradient(
		225deg,
		var(--brand-green),
		var(--brand-green-hover)
	);
	top: 60%;
	right: 5%;
	animation-delay: 4s;
}

@keyframes float {
	0%,
	100% {
		transform: translateY(0px) rotate(0deg);
	}
	25% {
		transform: translateY(-10px) rotate(90deg);
	}
	50% {
		transform: translateY(-20px) rotate(180deg);
	}
	75% {
		transform: translateY(-10px) rotate(270deg);
	}
}

/* About Section */
.about-section {
	background-color: var(--soft-white);
}

.about-container {
	display: grid;
	grid-template-columns: 300px 1fr;
	gap: var(--space-xxl);
	align-items: start;
}

.about-photo {
	width: 100%;
	border-radius: var(--border-radius);
	box-shadow: var(--box-shadow-light);
}

.about-subtitle {
	font-size: var(--font-size-large);
	color: var(--brand-green);
	margin-bottom: var(--space-lg);
	font-weight: 600;
}

.info-grid {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: var(--space-md);
	margin-bottom: var(--space-xl);
}

.info-item {
	display: flex;
	justify-content: space-between;
	padding: var(--space-sm);
	background-color: var(--clean-white);
	border-radius: var(--border-radius-small);
	box-shadow: var(--box-shadow-light);
}

.info-label {
	font-weight: 500;
	color: var(--text-medium);
}

.info-value {
	color: var(--text-light);
}

.download-button {
	display: inline-flex;
	align-items: center;
	gap: var(--space-sm);
	background-color: var(--brand-green);
	color: var(--clean-white);
	padding: var(--space-md) var(--space-lg);
	border-radius: var(--border-radius);
	text-decoration: none;
	font-weight: 500;
	transition: all var(--transition-fast);
}

.download-button:hover {
	background-color: var(--brand-green-hover);
	transform: translateY(-2px);
	box-shadow: var(--box-shadow-medium);
}

/* Skills Section */
.skills-section {
	background-color: var(--clean-white);
}

.skills-container {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: var(--space-xxl);
	align-items: start;
}

.skills-subtitle {
	font-size: var(--font-size-large);
	color: var(--brand-green);
	margin-bottom: var(--space-lg);
	font-weight: 600;
}

.skills-text {
	color: var(--text-medium);
	margin-bottom: var(--space-md);
}

.skills-note {
	color: var(--text-light);
	font-style: italic;
}

.skills-list {
	display: flex;
	flex-direction: column;
	gap: var(--space-lg);
}

.skill-item {
	background-color: var(--soft-white);
	padding: var(--space-lg);
	border-radius: var(--border-radius);
	box-shadow: var(--box-shadow-light);
}

.skill-header {
	display: flex;
	justify-content: space-between;
	margin-bottom: var(--space-sm);
}

.skill-name {
	font-weight: 500;
	color: var(--text-dark);
}

.skill-percentage {
	color: var(--brand-green);
	font-weight: 600;
}

.skill-bar {
	height: 8px;
	background-color: var(--medium-gray);
	border-radius: 4px;
	overflow: hidden;
}

.skill-progress {
	height: 100%;
	background: linear-gradient(
		90deg,
		var(--brand-green),
		var(--brand-green-hover)
	);
	border-radius: 4px;
	transition: width 1s ease-in-out;
}

.skill-progress[data-width="90"] {
	width: 90%;
}
.skill-progress[data-width="85"] {
	width: 85%;
}
.skill-progress[data-width="70"] {
	width: 70%;
}
.skill-progress[data-width="45"] {
	width: 45%;
}
.skill-progress[data-width="55"] {
	width: 55%;
}

/* Projects Section */
.projects-section {
	background-color: var(--soft-white);
}

.project-category {
	margin-bottom: var(--space-xxl);
}

.category-title {
	font-size: var(--font-size-large);
	text-align: center;
	margin-bottom: var(--space-xl);
	color: var(--text-dark);
	font-weight: 600;
}

.featured-project {
	max-width: 800px;
	margin: 0 auto var(--space-xxl);
}

.project-showcase {
	position: relative;
	border-radius: var(--border-radius);
	overflow: hidden;
	box-shadow: var(--box-shadow-medium);
}

.project-image {
	width: 100%;
	height: 400px;
	object-fit: cover;
	transition: transform var(--transition-smooth);
}

.project-overlay {
	position: absolute;
	top: 0;
	left: 0;
	right: 0;
	bottom: 0;
	background: rgba(0, 0, 0, 0.8);
	color: var(--clean-white);
	display: flex;
	flex-direction: column;
	justify-content: center;
	align-items: center;
	opacity: 0;
	transition: opacity var(--transition-smooth);
	padding: var(--space-lg);
	text-align: center;
}

.project-showcase:hover .project-overlay {
	opacity: 1;
}

.project-showcase:hover .project-image {
	transform: scale(1.05);
}

.project-title {
	font-size: var(--font-size-large);
	margin-bottom: var(--space-md);
	font-weight: 600;
}

.project-description {
	margin-bottom: var(--space-lg);
	max-width: 500px;
}

.project-actions {
	display: flex;
	gap: var(--space-md);
}

.project-button {
	padding: var(--space-sm) var(--space-lg);
	border: 2px solid var(--clean-white);
	background: transparent;
	color: var(--clean-white);
	border-radius: var(--border-radius);
	cursor: pointer;
	font-weight: 500;
	transition: all var(--transition-fast);
}

.project-button:hover {
	background-color: var(--clean-white);
	color: var(--brand-green);
}

.project-button.secondary {
	border-color: var(--medium-gray);
}

.projects-grid {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
	gap: var(--space-lg);
}

.project-card {
	background-color: var(--clean-white);
	border-radius: var(--border-radius);
	overflow: hidden;
	box-shadow: var(--box-shadow-light);
	transition: all var(--transition-smooth);
}

.project-card:hover {
	transform: translateY(-5px);
	box-shadow: var(--box-shadow-medium);
}

/* Enhanced Project Cards */
.project-card.featured-card {
	background-color: var(--clean-white);
	border-radius: var(--border-radius);
	overflow: hidden;
	box-shadow: var(--box-shadow-light);
	transition: all var(--transition-smooth);
	cursor: pointer;
	position: relative;
}

.project-card.featured-card:hover {
	transform: translateY(-8px);
	box-shadow: 0 10px 30px rgba(26, 179, 148, 0.15);
}

.project-card.featured-card::before {
	content: "";
	position: absolute;
	top: 0;
	left: 0;
	right: 0;
	height: 3px;
	background: linear-gradient(
		90deg,
		var(--brand-green),
		var(--brand-green-hover)
	);
	opacity: 0;
	transition: opacity var(--transition-smooth);
}

.project-card.featured-card:hover::before {
	opacity: 1;
}

.card-content {
	padding: var(--space-lg);
}

.card-description {
	color: var(--text-medium);
	font-size: var(--font-size-small);
	line-height: 1.5;
	margin: var(--space-sm) 0 var(--space-md);
}

.card-tech {
	display: flex;
	flex-wrap: wrap;
	gap: var(--space-xs);
}

.tech-tag {
	background-color: var(--brand-green-light);
	color: var(--brand-green);
	padding: 4px 8px;
	border-radius: 12px;
	font-size: 10px;
	font-weight: 500;
	text-transform: uppercase;
	letter-spacing: 0.5px;
}

/* Project Card Click Effect */
.project-card.featured-card:active {
	transform: translateY(-5px);
	transition-duration: 0.1s;
}

/* Responsive adjustments for project cards */
@media (max-width: 768px) {
	.projects-grid {
		grid-template-columns: 1fr;
		gap: var(--space-lg);
	}

	.card-content {
		padding: var(--space-md);
	}
}

/* Contact Section */
.contact-section {
	background-color: var(--clean-white);
}

.contact-container {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: var(--space-xxl);
}

.contact-subtitle {
	font-size: var(--font-size-large);
	color: var(--brand-green);
	margin-bottom: var(--space-md);
	font-weight: 600;
}

.availability-text {
	color: var(--text-light);
	margin-bottom: var(--space-xl);
}

.contact-details {
	display: flex;
	flex-direction: column;
	gap: var(--space-lg);
}

.contact-item {
	display: flex;
	align-items: center;
	gap: var(--space-md);
	padding: var(--space-lg);
	background-color: var(--soft-white);
	border-radius: var(--border-radius);
	box-shadow: var(--box-shadow-light);
}

.contact-item svg {
	color: var(--brand-green);
}

.contact-item h4 {
	color: var(--text-dark);
	margin-bottom: var(--space-xs);
	font-weight: 500;
}

.contact-item span {
	color: var(--text-light);
}

.contact-form {
	background-color: var(--soft-white);
	padding: var(--space-xl);
	border-radius: var(--border-radius);
	box-shadow: var(--box-shadow-light);
}

.form-group {
	margin-bottom: var(--space-lg);
}

.form-group label {
	display: block;
	margin-bottom: var(--space-xs);
	font-weight: 500;
	color: var(--text-dark);
}

.form-group input,
.form-group textarea {
	width: 100%;
	padding: var(--space-md);
	border: 2px solid var(--medium-gray);
	border-radius: var(--border-radius-small);
	font-family: inherit;
	transition: border-color var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus {
	outline: none;
	border-color: var(--brand-green);
}

.form-group textarea {
	height: 120px;
	resize: vertical;
}

.submit-button {
	width: 100%;
	padding: var(--space-md);
	background-color: var(--brand-green);
	color: var(--clean-white);
	border: none;
	border-radius: var(--border-radius);
	font-weight: 500;
	cursor: pointer;
	transition: all var(--transition-fast);
}

.submit-button:hover {
	background-color: var(--brand-green-hover);
	transform: translateY(-2px);
	box-shadow: var(--box-shadow-medium);
}

/* Additional Visual Enhancements */

/* Keyboard navigation support */
.keyboard-navigation *:focus {
	outline: 2px solid var(--brand-green);
	outline-offset: 2px;
}

/* Smooth transitions for all interactive elements */
* {
	transition: color var(--transition-fast),
		background-color var(--transition-fast),
		border-color var(--transition-fast), transform var(--transition-fast),
		box-shadow var(--transition-fast);
}

/* Loading states */
.loading {
	position: relative;
	overflow: hidden;
}

.loading::after {
	content: "";
	position: absolute;
	top: 0;
	left: -100%;
	width: 100%;
	height: 100%;
	background: linear-gradient(
		90deg,
		transparent,
		rgba(255, 255, 255, 0.2),
		transparent
	);
	animation: loading-sweep 1.5s infinite;
}

@keyframes loading-sweep {
	0% {
		left: -100%;
	}
	100% {
		left: 100%;
	}
}

/* Better scroll indicators */
::-webkit-scrollbar {
	width: 8px;
}

::-webkit-scrollbar-track {
	background: var(--light-gray);
}

::-webkit-scrollbar-thumb {
	background: var(--brand-green);
	border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
	background: var(--brand-green-hover);
}

/* Selection styling */
::selection {
	background-color: var(--brand-green);
	color: var(--clean-white);
}

::-moz-selection {
	background-color: var(--brand-green);
	color: var(--clean-white);
}

/* Print styles */
@media print {
	.side-navigation,
	.floating-element {
		display: none;
	}

	.main-content {
		margin-left: 0;
	}

	.content-section {
		page-break-inside: avoid;
		padding: 20px;
	}
}

/* High contrast mode support */
@media (prefers-contrast: high) {
	:root {
		--text-light: #000000;
		--text-medium: #000000;
		--medium-gray: #000000;
	}
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
	*,
	*::before,
	*::after {
		animation-duration: 0.01ms !important;
		animation-iteration-count: 1 !important;
		transition-duration: 0.01ms !important;
	}

	.floating-element {
		animation: none;
	}
}