@import './variables.css';

/* Reset & Base */
*,
*::before,
*::after {
	box-sizing: border-box;
	margin: 0;
	padding: 0;
}

html {
	scroll-behavior: smooth;
	-webkit-font-smoothing: antialiased;
	-moz-osx-font-smoothing: grayscale;
}

body {
	font-family: var(--font-body);
	font-size: var(--text-base);
	line-height: 1.6;
	color: var(--color-text);
	background-color: var(--color-bg);
	min-height: 100vh;
}

/* Grid overlay for Industrial feel */
body::before {
	content: '';
	position: fixed;
	inset: 0;
	background-image:
		linear-gradient(to right, var(--color-border) 1px, transparent 1px),
		linear-gradient(to bottom, var(--color-border) 1px, transparent 1px);
	background-size: 40px 40px;
	opacity: 0;
	pointer-events: none;
	z-index: -1;
	animation: gridFadeIn 1s ease forwards;
}

[data-theme="light"] body::before {
	opacity: 0.08;
}

@keyframes gridFadeIn {
	to {
		opacity: 0.15;
	}
}

/* Floating Particles */
.particles {
	position: fixed;
	inset: 0;
	pointer-events: none;
	z-index: -1;
	overflow: hidden;
}

.particle {
	position: absolute;
	width: 4px;
	height: 4px;
	background: var(--color-accent);
	border-radius: 50%;
	opacity: 0;
	animation: particleFloat 20s infinite;
}

.particle:nth-child(1) {
	left: 10%;
	animation-delay: 0s;
}

.particle:nth-child(2) {
	left: 20%;
	animation-delay: 2s;
}

.particle:nth-child(3) {
	left: 30%;
	animation-delay: 4s;
}

.particle:nth-child(4) {
	left: 40%;
	animation-delay: 1s;
}

.particle:nth-child(5) {
	left: 50%;
	animation-delay: 3s;
}

.particle:nth-child(6) {
	left: 60%;
	animation-delay: 5s;
}

.particle:nth-child(7) {
	left: 70%;
	animation-delay: 2.5s;
}

.particle:nth-child(8) {
	left: 80%;
	animation-delay: 1.5s;
}

.particle:nth-child(9) {
	left: 90%;
	animation-delay: 3.5s;
}

.particle:nth-child(10) {
	left: 15%;
	animation-delay: 4.5s;
}

.particle:nth-child(11) {
	left: 35%;
	animation-delay: 6s;
}

.particle:nth-child(12) {
	left: 55%;
	animation-delay: 7s;
}

.particle:nth-child(13) {
	left: 75%;
	animation-delay: 8s;
}

.particle:nth-child(14) {
	left: 85%;
	animation-delay: 9s;
}

.particle:nth-child(15) {
	left: 25%;
	animation-delay: 10s;
}

@keyframes particleFloat {
	0% {
		opacity: 0;
		transform: translateY(100vh) scale(0);
	}

	10% {
		opacity: 0.6;
	}

	90% {
		opacity: 0.6;
	}

	100% {
		opacity: 0;
		transform: translateY(-100vh) scale(1);
	}
}

/* Grid subtle pulse */
@keyframes gridPulse {

	0%,
	100% {
		opacity: 0.15;
	}

	50% {
		opacity: 0.25;
	}
}

body::before {
	animation: gridFadeIn 1s ease forwards, gridPulse 8s ease-in-out infinite;
	animation-delay: 0s, 1s;
}

/* Typography */
h1,
h2,
h3,
h4,
h5,
h6 {
	font-family: var(--font-display);
	font-weight: 500;
	line-height: 1.2;
	letter-spacing: -0.02em;
}

h1 {
	font-size: var(--text-5xl);
}

h2 {
	font-size: var(--text-3xl);
}

h3 {
	font-size: var(--text-xl);
}

h4 {
	font-size: var(--text-lg);
}

p {
	color: var(--color-text-muted);
	max-width: 65ch;
}

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

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

/* Layout */
.container {
	width: 100%;
	max-width: var(--container-max);
	margin-inline: auto;
	padding-inline: var(--space-6);
}

.container--narrow {
	max-width: var(--container-narrow);
}

/* Header */
.header {
	position: fixed;
	top: 0;
	left: 0;
	right: 0;
	height: var(--header-height);
	background: var(--color-surface);
	backdrop-filter: blur(12px);
	border-bottom: 1px solid var(--color-border);
	z-index: 100;
	transform: translateY(-100%);
	animation: headerSlideDown 0.6s ease forwards;
	animation-delay: 0.8s;
}

@keyframes headerSlideDown {
	to {
		transform: translateY(0);
	}
}

.header__inner {
	display: flex;
	align-items: center;
	justify-content: space-between;
	height: 100%;
}

.logo {
	font-family: var(--font-display);
	font-size: var(--text-lg);
	font-weight: 600;
	color: var(--color-text);
	letter-spacing: -0.02em;
}

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

/* Navigation */
.nav {
	display: flex;
	align-items: center;
	gap: var(--space-8);
}

.nav__list {
	display: flex;
	list-style: none;
	gap: var(--space-6);
}

.nav__link {
	font-family: var(--font-display);
	font-size: var(--text-sm);
	color: var(--color-text-muted);
	text-transform: uppercase;
	letter-spacing: 0.05em;
	transition: color var(--transition-fast);
}

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

/* Mobile Menu */
.menu-toggle {
	display: none;
	flex-direction: column;
	justify-content: center;
	gap: 5px;
	width: 32px;
	height: 32px;
	background: none;
	border: none;
	cursor: pointer;
	padding: 4px;
}

.menu-toggle span {
	display: block;
	width: 100%;
	height: 2px;
	background: var(--color-text);
	transition: transform var(--transition-fast), opacity var(--transition-fast);
}

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

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

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

/* Main Content */
main {
	padding-top: var(--header-height);
}

/* Sections */
section {
	padding-block: var(--space-20);
	border-bottom: 1px solid var(--color-border);
}

section:last-child {
	border-bottom: none;
}

/* Hero Section */
.hero {
	min-height: calc(100vh - var(--header-height));
	display: flex;
	align-items: center;
	position: relative;
	overflow: hidden;
}

.hero__content {
	position: relative;
	z-index: 1;
}

.hero__label {
	font-family: var(--font-display);
	font-size: var(--text-sm);
	color: var(--color-accent);
	text-transform: uppercase;
	letter-spacing: 0.1em;
	margin-bottom: var(--space-4);
	opacity: 0;
	transform: translateY(20px);
	animation: fadeInUp 0.6s ease forwards;
	animation-delay: 0.3s;
}

.hero__title {
	margin-bottom: var(--space-4);
	overflow: hidden;
}

.hero__subtitle {
	font-family: var(--font-display);
	font-size: var(--text-xl);
	color: var(--color-text-muted);
	margin-bottom: var(--space-6);
	opacity: 0;
	transform: translateY(20px);
	animation: fadeInUp 0.6s ease forwards;
	animation-delay: 0.8s;
}

.hero__location {
	display: inline-flex;
	align-items: center;
	gap: var(--space-2);
	font-family: var(--font-display);
	font-size: var(--text-sm);
	color: var(--color-text-subtle);
	margin-bottom: var(--space-8);
	opacity: 0;
	transform: translateY(20px);
	animation: fadeInUp 0.6s ease forwards;
	animation-delay: 1s;
}

.hero__cta {
	display: flex;
	flex-wrap: wrap;
	gap: var(--space-4);
	opacity: 0;
	transform: translateY(20px);
	animation: fadeInUp 0.6s ease forwards;
	animation-delay: 1.2s;
}

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

/* Cursor blink effect */
.cursor {
	display: inline-block;
	width: 3px;
	height: 1.2em;
	background: var(--color-accent);
	margin-left: 2px;
	vertical-align: text-bottom;
	animation: cursorBlink 1s step-end infinite;
}

.hero-word {
	display: inline-block;
	font-family: var(--font-display);
	animation: wordFadeIn 0.5s ease forwards;
	opacity: 0;
}

.hero-word.accent {
	color: var(--color-accent);
}

.hero-word:nth-child(1) {
	animation-delay: 0.1s;
}

.hero-word:nth-child(3) {
	animation-delay: 0.5s;
}

@keyframes wordFadeIn {
	to {
		opacity: 1;
	}
}

/* Cursor blink effect */
.cursor {
	display: inline-block;
	width: 3px;
	height: 1.1em;
	background: var(--color-accent);
	margin-left: 4px;
	vertical-align: text-bottom;
	animation: cursorBlink 1s step-end infinite;
	font-family: var(--font-display);
	opacity: 0;
	animation-delay: 0.8s;
}

@keyframes cursorBlink {

	0%,
	100% {
		opacity: 1;
	}

	50% {
		opacity: 0;
	}
}

.hero-char {
	display: inline;
	opacity: 0;
	transform: translateY(15px);
	animation: charReveal 0.5s ease forwards;
	font-family: var(--font-display);
	font-size: inherit;
}

.hero-word.accent .hero-char {
	color: var(--color-accent);
}

@keyframes charReveal {
	to {
		opacity: 1;
		transform: translateY(0);
	}
}

@keyframes charReveal {
	to {
		opacity: 1 !important;
		transform: translateY(0);
	}
}

/* Cursor blink effect */
.cursor {
	display: inline-block;
	width: 3px;
	height: 1.1em;
	background: var(--color-accent);
	margin-left: 4px;
	vertical-align: text-bottom;
	animation: cursorBlink 1s step-end infinite;
	font-family: var(--font-display);
	animation-delay: 0.5s;
}

@keyframes cursorBlink {

	0%,
	100% {
		opacity: 1;
	}

	50% {
		opacity: 0;
	}
}

/* Buttons */
.btn {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	gap: var(--space-2);
	font-family: var(--font-display);
	font-size: var(--text-sm);
	font-weight: 500;
	text-transform: uppercase;
	letter-spacing: 0.05em;
	padding: var(--space-3) var(--space-6);
	border: 1px solid var(--color-border);
	border-radius: var(--radius-sm);
	cursor: pointer;
	transition: all var(--transition-fast);
	position: relative;
	overflow: hidden;
}

.btn::before {
	content: '';
	position: absolute;
	top: 0;
	left: -100%;
	width: 100%;
	height: 100%;
	background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
	transition: left 0.5s ease;
}

.btn:hover::before {
	left: 100%;
}

.btn--primary {
	background: var(--color-accent);
	border-color: var(--color-accent);
	color: var(--color-bg);
}

.btn--primary:hover {
	background: var(--color-accent-hover);
	border-color: var(--color-accent-hover);
	transform: translateY(-2px);
	box-shadow: 0 4px 20px rgba(245, 158, 11, 0.3);
}

.btn--secondary {
	background: transparent;
	color: var(--color-text);
}

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

/* Theme Toggle */
.theme-toggle {
	display: flex;
	align-items: center;
	justify-content: center;
	width: 40px;
	height: 40px;
	background: none;
	border: 1px solid var(--color-border);
	border-radius: var(--radius-sm);
	cursor: pointer;
	color: var(--color-text);
	transition: all 0.3s ease;
	overflow: hidden;
}

.theme-toggle:hover {
	border-color: var(--color-accent);
	color: var(--color-accent);
	transform: rotate(15deg);
}

.theme-toggle svg {
	transition: transform 0.5s ease;
}

.theme-toggle:hover svg {
	transform: rotate(180deg);
}

/* About Section */
.about__header {
	margin-bottom: var(--space-12);
}

.section-label {
	font-family: var(--font-display);
	font-size: var(--text-xs);
	color: var(--color-accent);
	text-transform: uppercase;
	letter-spacing: 0.15em;
	margin-bottom: var(--space-2);
}

.section-title {
	margin-bottom: var(--space-4);
}

.about__content {
	display: grid;
	grid-template-columns: 1fr;
	gap: var(--space-8);
}

.about__text {
	font-size: var(--text-lg);
	line-height: 1.8;
}

.about__motto {
	font-family: var(--font-display);
	font-size: var(--text-base);
	color: var(--color-text-subtle);
	border-left: 2px solid var(--color-accent);
	padding-left: var(--space-4);
	margin-top: var(--space-6);
}

/* Skills Section */
.skills__grid {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
	gap: var(--space-6);
}

.skill-card {
	background: var(--color-surface);
	border: 1px solid var(--color-border);
	padding: var(--space-6);
	transition: all 0.3s ease;
	opacity: 0;
	transform: translateY(30px);
}

.skill-card.visible {
	opacity: 1;
	transform: translateY(0);
}

.skill-card:hover {
	border-color: var(--color-accent);
	transform: translateY(-4px);
	box-shadow: 0 8px 30px rgba(245, 158, 11, 0.15), 0 0 0 1px var(--color-accent);
}

.skill-card__icon {
	font-size: var(--text-2xl);
	margin-bottom: var(--space-4);
	transition: transform 0.3s ease;
}

.skill-card:hover .skill-card__icon {
	transform: scale(1.1);
}

.skill-card__icon {
	font-size: var(--text-2xl);
	margin-bottom: var(--space-4);
}

.skill-card__title {
	font-family: var(--font-display);
	font-size: var(--text-lg);
	margin-bottom: var(--space-2);
}

.skill-card__description {
	font-size: var(--text-sm);
	color: var(--color-text-subtle);
}

/* Stats Section */
.stats {
	background: var(--color-surface);
	border: 1px solid var(--color-border);
}

.stats__grid {
	display: grid;
	grid-template-columns: repeat(3, 1fr);
	gap: var(--space-8);
	text-align: center;
}

.stat {
	opacity: 0;
	transform: translateY(30px);
	transition: all 0.4s ease;
}

.stat.visible {
	opacity: 1;
	transform: translateY(0);
}

.stat__value {
	font-family: var(--font-display);
	font-size: var(--text-4xl);
	font-weight: 600;
	color: var(--color-accent);
	line-height: 1;
	margin-bottom: var(--space-2);
	text-shadow: 0 0 30px rgba(245, 158, 11, 0.3);
}

.stat__label {
	font-family: var(--font-display);
	font-size: var(--text-sm);
	color: var(--color-text-subtle);
	text-transform: uppercase;
	letter-spacing: 0.1em;
}

/* Projects Section */
.projects__grid {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
	gap: var(--space-6);
}

.project-card {
	background: var(--color-surface);
	border: 1px solid var(--color-border);
	padding: var(--space-6);
	transition: all 0.3s ease;
	display: flex;
	flex-direction: column;
	height: 100%;
	opacity: 0;
	transform: translateY(30px);
}

.project-card.visible {
	opacity: 1;
	transform: translateY(0);
}

.project-card:hover {
	border-color: var(--color-accent);
	transform: translateY(-4px);
	box-shadow: 0 8px 30px rgba(245, 158, 11, 0.15), 0 0 0 1px var(--color-accent);
}

.project-card__header {
	display: flex;
	align-items: flex-start;
	justify-content: space-between;
	margin-bottom: var(--space-4);
}

.project-card__icon {
	font-size: var(--text-xl);
}

.project-card__link {
	color: var(--color-text-subtle);
	transition: color var(--transition-fast);
}

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

.project-card__title {
	font-family: var(--font-display);
	font-size: var(--text-lg);
	margin-bottom: var(--space-2);
}

.project-card__description {
	font-size: var(--text-sm);
	color: var(--color-text-subtle);
	flex-grow: 1;
}

.project-card__tags {
	display: flex;
	flex-wrap: wrap;
	gap: var(--space-2);
	margin-top: var(--space-4);
}

.tag {
	font-family: var(--font-display);
	font-size: var(--text-xs);
	color: var(--color-text-subtle);
	background: var(--color-surface-elevated);
	padding: var(--space-1) var(--space-2);
	border-radius: var(--radius-sm);
}

/* Contact Section */
.contact__inner {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: var(--space-12);
}

.contact__info {
	display: flex;
	flex-direction: column;
	gap: var(--space-6);
}

.contact__title {
	font-size: var(--text-2xl);
	margin-bottom: var(--space-2);
}

.contact__text {
	font-size: var(--text-lg);
}

.contact__links {
	display: flex;
	flex-direction: column;
	gap: var(--space-4);
}

.contact__link {
	display: inline-flex;
	align-items: center;
	gap: var(--space-3);
	font-family: var(--font-display);
	font-size: var(--text-sm);
	color: var(--color-text-muted);
}

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

.contact__link-icon {
	font-size: var(--text-lg);
}

/* Footer */
.footer {
	padding-block: var(--space-8);
	border-top: 1px solid var(--color-border);
}

.footer__inner {
	display: flex;
	align-items: center;
	justify-content: space-between;
	flex-wrap: wrap;
	gap: var(--space-4);
}

.footer__text {
	font-family: var(--font-display);
	font-size: var(--text-sm);
	color: var(--color-text-subtle);
}

.footer__security {
	display: flex;
	align-items: center;
	gap: var(--space-2);
	font-family: var(--font-display);
	font-size: var(--text-xs);
	color: var(--color-text-subtle);
}

/* Animations */
@keyframes fadeIn {
	from {
		opacity: 0;
		transform: translateY(20px);
	}

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

.animate-in {
	animation: fadeIn 0.6s ease forwards;
}

.animate-delay-1 {
	animation-delay: 0.1s;
}

.animate-delay-2 {
	animation-delay: 0.2s;
}

.animate-delay-3 {
	animation-delay: 0.3s;
}

.animate-delay-4 {
	animation-delay: 0.4s;
}

/* Section reveal animations */
.section-reveal {
	opacity: 0;
	transform: translateY(40px);
	transition: all 0.6s ease;
}

.section-reveal.visible {
	opacity: 1;
	transform: translateY(0);
}

/* Visible state for scroll-triggered elements */
.skill-card,
.project-card,
.stat {
	opacity: 0;
	transform: translateY(30px);
	transition: all 0.4s ease;
}

.skill-card.visible,
.project-card.visible,
.stat.visible {
	opacity: 1;
	transform: translateY(0);
}

/* Stagger delays for cards */
.skill-card:nth-child(1),
.project-card:nth-child(1),
.stat:nth-child(1) {
	transition-delay: 0s;
}

.skill-card:nth-child(2),
.project-card:nth-child(2),
.stat:nth-child(2) {
	transition-delay: 0.1s;
}

.skill-card:nth-child(3),
.project-card:nth-child(3),
.stat:nth-child(3) {
	transition-delay: 0.2s;
}

.skill-card:nth-child(4),
.project-card:nth-child(4),
.stat:nth-child(4) {
	transition-delay: 0.3s;
}

.skill-card:nth-child(5),
.project-card:nth-child(5) {
	transition-delay: 0.4s;
}

.skill-card:nth-child(6),
.project-card:nth-child(6) {
	transition-delay: 0.5s;
}

/* Nav link underline animation */
.nav__link {
	position: relative;
}

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

.nav__link:hover::after,
.nav__link.active::after {
	width: 100%;
}

/* Link hover animation */
.contact__link {
	position: relative;
	padding-left: 0;
	transition: padding-left 0.3s ease;
}

.contact__link:hover {
	padding-left: 8px;
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {

	*,
	*::before,
	*::after {
		animation-duration: 0.01ms !important;
		animation-iteration-count: 1 !important;
		transition-duration: 0.01ms !important;
	}

	html {
		scroll-behavior: auto;
	}
}

/* Responsive - Tablet */
@media (max-width: 1024px) {
	.stats__grid {
		grid-template-columns: repeat(3, 1fr);
		gap: var(--space-6);
	}

	.contact__inner {
		grid-template-columns: 1fr;
		gap: var(--space-8);
	}
}

/* Responsive - Mobile */
@media (max-width: 640px) {
	:root {
		--header-height: 64px;
	}

	.container {
		padding-inline: var(--space-4);
	}

	section {
		padding-block: var(--space-12);
	}

	/* Mobile Navigation */
	.nav {
		position: fixed;
		top: var(--header-height);
		left: 0;
		right: 0;
		bottom: 0;
		background: var(--color-bg);
		flex-direction: column;
		justify-content: flex-start;
		padding: var(--space-8);
		transform: translateX(100%);
		transition: transform var(--transition-base);
	}

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

	.nav__list {
		flex-direction: column;
		gap: var(--space-6);
	}

	.nav__link {
		font-size: var(--text-lg);
	}

	.menu-toggle {
		display: flex;
	}

	/* Typography adjustments */
	h1 {
		font-size: var(--text-3xl);
	}

	h2 {
		font-size: var(--text-2xl);
	}

	.hero__cta {
		flex-direction: column;
	}

	.btn {
		width: 100%;
		justify-content: center;
	}

	/* Stats - stack on mobile */
	.stats__grid {
		grid-template-columns: 1fr;
		gap: var(--space-8);
	}

	.stat__value {
		font-size: var(--text-3xl);
	}

	/* Projects */
	.projects__grid {
		grid-template-columns: 1fr;
	}

	/* Footer */
	.footer__inner {
		flex-direction: column;
		text-align: center;
	}
}