/* ============================ */
/* VARIABLES            */
/* ============================ */
:root {
	--header-height: 3.5rem;

	/* Colors (Light Mode) */
	--primary-color-light: #3b82f6;
	--primary-color-light-rgb: 59, 130, 246;
	--secondary-color-light: #60a5fa;
	--background-color-light: #f1f5f9;
	--text-color-light: #1e293b;
	--text-color-secondary-light: #64748b;
	/* slate-500 */
	--card-bg-light: rgba(255, 255, 255, 0.6);
	--card-border-light: 1px solid rgba(255, 255, 255, 0.8);
	--shadow-light: 0 8px 32px 0 rgba(31, 38, 135, 0.1);
	--shadow-hover-light: 0 12px 32px 0 rgba(31, 38, 135, 0.15);
	--toggle-bg-light: #e2e8f0;
	--toggle-active-bg-light: var(--primary-color-light);
	--form-bg-light: #fff;
	--form-input-bg-light: #f8fafc;
	/* slate-50 */
	--form-border-light: #cbd5e1;
	/* slate-300 */
	--shape-bg-light: #e0f2fe;
	/* sky-100 */

	/* Colors (Dark Mode) */
	--primary-color-dark: #60a5fa;
	--primary-color-dark-rgb: 96, 165, 250;
	--secondary-color-dark: #3b82f6;
	--background-color-dark: #0f172a;
	--text-color-dark: #e2e8f0;
	--text-color-secondary-dark: #94a3b8;
	/* slate-400 */
	--card-bg-dark: rgba(30, 41, 59, 0.4);
	--card-border-dark: 1px solid rgba(255, 255, 255, 0.1);
	--shadow-dark: 0 8px 32px 0 rgba(0, 0, 0, 0.2);
	--shadow-hover-dark: 0 12px 32px 0 rgba(0, 0, 0, 0.35);
	--toggle-bg-dark: #334155;
	--toggle-active-bg-dark: var(--primary-color-dark);
	--form-bg-dark: #1e293b;
	/* slate-800 */
	--form-input-bg-dark: #334155;
	/* slate-700 */
	--form-border-dark: #475569;
	/* slate-600 */
	--shape-bg-dark: #1e293b;
	/* slate-800 */

	/* Typography */
	--body-font: 'Libre Baskerville', serif;
	--h1-font-size: 2.75rem;
	--h2-font-size: 2.25rem;
	--h3-font-size: 1.25rem;
	--normal-font-size: 1rem;
}

/* Apply theme variables */
html[data-theme='light'] {
	--primary-color: var(--primary-color-light);
	--primary-color-rgb: var(--primary-color-light-rgb);
	--secondary-color: var(--secondary-color-light);
	--background-color: var(--background-color-light);
	--text-color: var(--text-color-light);
	--text-color-secondary: var(--text-color-secondary-light);
	--card-bg: var(--card-bg-light);
	--card-border: var(--card-border-light);
	--shadow: var(--shadow-light);
	--shadow-hover: var(--shadow-hover-light);
	--toggle-bg: var(--toggle-bg-light);
	--toggle-active-bg: var(--toggle-active-bg-light);
	--form-bg: var(--form-bg-light);
	--form-input-bg: var(--form-input-bg-light);
	--form-border: var(--form-border-light);
	--shape-bg: var(--shape-bg-light);
}

html[data-theme='dark'] {
	--primary-color: var(--primary-color-dark);
	--primary-color-rgb: var(--primary-color-dark-rgb);
	--secondary-color: var(--secondary-color-dark);
	--background-color: var(--background-color-dark);
	--text-color: var(--text-color-dark);
	--text-color-secondary: var(--text-color-secondary-dark);
	--card-bg: var(--card-bg-dark);
	--card-border: var(--card-border-dark);
	--shadow: var(--shadow-dark);
	--shadow-hover: var(--shadow-hover-dark);
	--toggle-bg: var(--toggle-bg-dark);
	--toggle-active-bg: var(--toggle-active-bg-dark);
	--form-bg: var(--form-bg-dark);
	--form-input-bg: var(--form-input-bg-dark);
	--form-border: var(--form-border-dark);
	--shape-bg: var(--shape-bg-dark);
}

/* ============================ */
/* ANIMATIONS                  */
/* ============================ */
/*
 * HOW TO USE SCROLL ANIMATIONS:
 * 1. Add the "scroll-reveal" class to any HTML element you want to animate on scroll.
 *    <h2 class="section__title scroll-reveal">My Title</h2>
 *
 * 2. For staggered animations (like a list of cards), add an inline style for the delay.
 *    <div class="card scroll-reveal" style="--delay: 0.1s">...</div>
 *    <div class="card scroll-reveal" style="--delay: 0.2s">...</div>
 *
 * 3. Add this JavaScript snippet to your project, just before the closing </body> tag.
 *
 * <script>
 *   document.addEventListener('DOMContentLoaded', () => {
 *     const observer = new IntersectionObserver((entries) => {
 *       entries.forEach(entry => {
 *         if (entry.isIntersecting) {
 *           entry.target.classList.add('animate');
 *           observer.unobserve(entry.target);
 *         }
 *       });
 *     }, { threshold: 0.1 });
 *
 *     document.querySelectorAll('.scroll-reveal').forEach(el => {
 *       observer.observe(el);
 *     });
 *   });
 * </script>
 */
.scroll-reveal {
	opacity: 0;
	transform: translateY(30px);
	transition: opacity 0.8s cubic-bezier(0.175, 0.885, 0.32, 1.275), transform 0.8s cubic-bezier(0.175, 0.885, 0.32, 1.275);
	transition-delay: var(--delay, 0s);
	/* Use custom property for staggering */
}

.scroll-reveal.animate {
	opacity: 1;
	transform: translateY(0);
}

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

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

@keyframes scaleIn {
	from {
		opacity: 0;
		transform: scale(0.9);
	}

	to {
		opacity: 1;
		transform: scale(1);
	}
}

/* Base and other sections styles... */
* {
	margin: 0;
	padding: 0;
	box-sizing: border-box;
}

html {
	scroll-behavior: smooth;
}

body {
	font-family: var(--body-font);
	background-color: var(--background-color);
	color: var(--text-color);
	transition: background-color 0.4s, color 0.4s;
}

h1,
h2,
h3,
h4,
h5,
h6 {
	font-family: var(--body-font);
	color: var(--primary-color);
	font-weight: 700;
}

ul {
	list-style: none;
}

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

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

.container {
	max-width: 1024px;
	margin-left: auto;
	margin-right: auto;
	padding: 0 1.5rem;
}

.section {
	padding: 6rem 0 2rem;
	overflow-x: hidden;
}

/* Added overflow-x to prevent horizontal scrollbars from animations */
.section__title {
	font-size: var(--h2-font-size);
	text-align: center;
	margin-bottom: 4rem;
}

.section__subtitle {
	text-align: center;
	margin-bottom: 4rem;
	color: var(--secondary-color);
	font-weight: 400;
	font-family: var(--body-font);
}

.header {
	width: 100%;
	position: fixed;
	top: 0;
	left: 0;
	z-index: 100;
	background-color: transparent;
	transition: background-color 0.4s, box-shadow 0.4s;
}

.header.scrolled {
	background-color: var(--card-bg);
	backdrop-filter: blur(15px);
	-webkit-backdrop-filter: blur(15px);
	box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.header__nav {
	height: var(--header-height);
	display: flex;
	justify-content: space-between;
	align-items: center;
}

.header__logo {
	font-weight: 700;
	font-size: 1.5rem;
	color: var(--primary-color);
}

.header__list {
	display: flex;
	gap: 2.5rem;
}

.header__link {
	font-weight: 700;
	transition: color 0.3s;
	position: relative;
	padding-bottom: 0.5rem;
}

.header__link::after {
	content: '';
	position: absolute;
	width: 0;
	height: 2px;
	bottom: 0;
	left: 50%;
	transform: translateX(-50%);
	background-color: var(--primary-color);
	transition: width 0.3s ease;
}

.header__link:hover,
.header__link.active-link {
	color: var(--primary-color);
}

.header__link:hover::after,
.header__link.active-link::after {
	width: 100%;
}

.header__actions {
	display: flex;
	align-items: center;
}

.header__toggle {
	cursor: pointer;
	color: var(--primary-color);
	width: 36px;
	height: 36px;
	display: flex;
	align-items: center;
	justify-content: center;
	border-radius: 50%;
	transition: background-color 0.3s;
}

.header__toggle:hover {
	background-color: rgba(128, 128, 128, 0.1);
}

.theme-icon {
	display: none;
	width: 22px;
	height: 22px;
}

html[data-theme='dark'] .theme-icon--moon {
	display: block;
}

html[data-theme='light'] .theme-icon--sun {
	display: block;
}

.home__container {
	display: grid;
	grid-template-columns: 1fr 1fr;
	align-items: center;
	gap: 5rem;
	min-height: 100vh;
	padding-top: var(--header-height);
}

.home__content {
	display: flex;
	flex-direction: column;
	gap: 1rem;
}

/* Home section entrance animation */
.home__content>* {
	animation: fadeInUp 0.8s ease-out backwards;
}

.home__title {
	animation-delay: 0.2s;
	font-size: var(--h1-font-size);
}

.home__subtitle {
	animation-delay: 0.4s;
	font-size: var(--h3-font-size);
	color: var(--secondary-color);
}

.home__description {
	animation-delay: 0.6s;
	line-height: 1.8;
}

.home__content .button {
	animation-delay: 0.8s;
}

.home__image img {
	width: 300px;
	height: 300px;
	object-fit: cover;
	border-radius: 50%;
	border: 7px solid var(--primary-color);
	box-shadow: var(--shadow);
	justify-self: center;
	animation: scaleIn 1s 0.2s ease-out backwards;
}

.button {
	display: inline-block;
	background-color: var(--primary-color);
	color: #fff;
	padding: 1rem 2.5rem;
	border-radius: 0.5rem;
	font-weight: 700;
	transition: transform 0.3s, box-shadow 0.3s;
	border: none;
	cursor: pointer;
	text-align: center;
	margin-top: 1rem;
}

.button:hover {
	transform: translateY(-4px);
	box-shadow: 0 8px 25px rgba(var(--primary-color-rgb), 0.3);
}

.card {
	background: var(--card-bg);
	backdrop-filter: blur(10px);
	-webkit-backdrop-filter: blur(10px);
	border-radius: 1rem;
	border: var(--card-border);
	box-shadow: var(--shadow);
	padding: 1.5rem;
	transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card:hover {
	transform: translateY(-8px);
	box-shadow: var(--shadow-hover);
}

.about__container {
	display: grid;
	grid-template-columns: 0.8fr 1fr;
	gap: 5rem;
	align-items: center;
}

.about__shape {
	width: 350px;
	height: 350px;
	justify-self: center;
	animation: blob-animation 8s ease-in-out infinite;
	transition: border-radius 1s ease-in-out;
	overflow: hidden;
	position: relative;
}

.about__shape-img {
	width: 100%;
	height: 100%;
	object-fit: cover;
}

@keyframes blob-animation {
	0% {
		border-radius: 30% 70% 70% 30% / 30% 30% 70% 70%;
	}

	50% {
		border-radius: 60% 40% 30% 70% / 70% 60% 40% 30%;
		transform: scale(1.05);
	}

	100% {
		border-radius: 30% 70% 70% 30% / 30% 30% 70% 70%;
	}
}

.about__content p {
	font-size: 1.1rem;
	line-height: 1.8;
	margin-bottom: 2.5rem;
}

.about__stats {
	display: flex;
	gap: 3rem;
	margin-bottom: 2.5rem;
}

.about__stat {
	text-align: center;
}

.about__stat-main {
	font-size: 1.5rem;
	color: var(--primary-color);
	font-weight: 700;
	margin-bottom: 0.25rem;
}

.about__stat-title {
	font-size: 0.9rem;
	color: var(--text-color-secondary);
	line-height: 1.4;
}

/* SKILLS SECTION */
.skills__main-container {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: 5rem;
	align-items: center;
}

.skills__description {
	line-height: 1.8;
	margin-bottom: 2rem;
}

.skills__toggle-buttons {
	background-color: var(--toggle-bg);
	padding: 0.5rem;
	border-radius: 50px;
	display: inline-flex;
	gap: 0.5rem;
}

.skills__toggle-btn {
	border: none;
	background-color: transparent;
	color: var(--text-color);
	padding: 0.75rem 1.5rem;
	border-radius: 50px;
	cursor: pointer;
	font-family: var(--body-font);
	font-weight: 700;
	font-size: 1rem;
	transition: background-color 0.3s, color 0.3s;
}

.skills__toggle-btn.active {
	background-color: var(--toggle-active-bg);
	color: #fff;
}

.skills__content-grid {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(80px, 1fr));
	gap: 1.5rem;
}

.skill__card {
	display: flex;
	align-items: center;
	justify-content: center;
	padding: 1.5rem;
	background: var(--card-bg);
	border: var(--card-border);
	border-radius: 1rem;
	transition: transform 0.3s, box-shadow 0.3s;
	aspect-ratio: 1 / 1;
}

.skill__card:hover {
	transform: translateY(-8px);
	box-shadow: var(--shadow-hover);
}

.skill__card svg {
	width: 50px;
	height: 50px;
	fill: var(--primary-color);
	transition: transform 0.3s, filter 0.3s;
}

.skill__card:hover svg {
	transform: scale(1.15);
	filter: drop-shadow(0 0 8px rgba(var(--primary-color-rgb), 0.6));
}

/* PROJECTS SECTION */
.projects__container {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
	gap: 2rem;
}

.project__card {
	background-color: var(--form-bg);
	border-radius: 1rem;
	overflow: hidden;
	display: flex;
	flex-direction: column;
	transition: transform 0.3s, box-shadow 0.3s;
	box-shadow: var(--shadow);
}

.project__card:hover {
	transform: translateY(-8px);
	box-shadow: var(--shadow-hover);
}

.project__image {
	width: 100%;
	height: 200px;
	object-fit: cover;
}

.project__content {
	padding: 1.5rem;
	display: flex;
	flex-direction: column;
	flex-grow: 1;
}

.project__title {
	font-size: 1.3rem;
	color: var(--primary-color);
	margin-bottom: 0.5rem;
}

.project__description {
	flex-grow: 1;
	line-height: 1.8;
	margin-bottom: 1rem;
	color: var(--text-color-secondary);
}

.project__links {
	display: flex;
	gap: 1rem;
	margin-top: auto;
}

.project__link-btn {
	padding: 0.6rem 1.2rem;
	border-radius: 50px;
	text-decoration: none;
	text-align: center;
	font-weight: 700;
	transition: background-color 0.3s, color 0.3s, transform 0.3s, opacity 0.3s;
	font-size: 0.9rem;
}

.project__link-btn {
	background-color: var(--primary-color);
	color: #fff;
}

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

.project__link-btn:hover {
	transform: translateY(-2px);
	opacity: 0.9;
}

/* CONTACT SECTION */
.contact__main-container {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: 5rem;
	align-items: flex-start;
}

.contact__info-text {
	line-height: 1.8;
	margin-bottom: 2rem;
	color: var(--text-color-secondary);
}

.contact__info-item {
	display: flex;
	align-items: center;
	gap: 1rem;
	margin-bottom: 1.5rem;
}

.contact__info-item svg {
	flex-shrink: 0;
	color: var(--primary-color);
}

.contact__socials {
	display: flex;
	gap: 1rem;
	margin-top: 2.5rem;
}

.contact__socials a {
	color: var(--text-color-secondary);
	transition: color 0.3s, transform 0.3s;
}

.contact__socials a:hover {
	color: var(--primary-color);
	transform: translateY(-3px);
}

.contact__form-wrapper {
	background-color: var(--form-bg);
	padding: 2rem;
	border-radius: 1rem;
	box-shadow: var(--shadow);
}

.contact__form {
	display: flex;
	flex-direction: column;
	gap: 1.25rem;
}

.contact__group {
	display: flex;
	flex-direction: column;
	gap: 0.5rem;
}

.contact__label {
	font-weight: 700;
	font-size: 0.9rem;
}

.contact__input-wrapper {
	position: relative;
	display: flex;
	align-items: center;
}

.contact__input-wrapper svg {
	position: absolute;
	left: 1rem;
	color: var(--text-color-secondary);
	transition: color 0.3s;
}

.contact__input {
	width: 100%;
	padding: 1rem 1rem 1rem 3rem;
	border-radius: 0.5rem;
	border: 1px solid var(--form-border);
	background-color: var(--form-input-bg);
	color: var(--text-color);
	font-family: var(--body-font);
	font-size: 1rem;
	transition: border-color 0.3s, box-shadow 0.3s;
}

.contact__input:focus {
	outline: none;
	border-color: var(--primary-color);
	box-shadow: 0 0 0 3px rgba(var(--primary-color-rgb), 0.2);
}

.contact__input:focus+svg {
	color: var(--primary-color);
}

textarea.contact__input {
	resize: vertical;
	min-height: 100px;
}

/* FOOTER */
.footer {
	background-color: var(--card-bg);
	backdrop-filter: blur(15px);
	-webkit-backdrop-filter: blur(15px);
	padding: 2rem 0;
	margin-top: 4rem;
	border-top: 1px solid var(--card-border);
	text-align: center;
	color: var(--text-color-secondary);
}

/* SCROLL TOP BUTTON */
.scroll-top-btn {
	position: fixed;
	bottom: 2rem;
	right: 2rem;
	background-color: var(--primary-color);
	color: #fff;
	width: 50px;
	height: 50px;
	border-radius: 50%;
	display: flex;
	align-items: center;
	justify-content: center;
	box-shadow: var(--shadow);
	z-index: 99;
	opacity: 0;
	visibility: hidden;
	transition: opacity 0.4s ease, visibility 0.4s ease, transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
	transform: translateY(20px);
}

.scroll-top-btn.visible {
	opacity: 1;
	visibility: visible;
	transform: translateY(0);
}

.scroll-top-btn:hover {
	transform: scale(1.1);
}

/* MEDIA QUERIES */
@media screen and (max-width: 992px) {

	.skills__main-container,
	.contact__main-container,
	.about__container {
		grid-template-columns: 1fr;
		gap: 2rem;
	}

	.skills__text-content,
	.contact__info,
	.about__content {
		text-align: center;
		align-items: center;
	}

	.about__stats {
		justify-content: center;
	}
}

@media screen and (max-width: 768px) {
	:root {
		--h1-font-size: 2.25rem;
		--h2-font-size: 1.75rem;
	}

	.header__menu {
		position: fixed;
		bottom: 1.5rem;
		left: 50%;
		transform: translateX(-50%);
		width: 90%;
		max-width: 350px;
		background-color: var(--card-bg);
		backdrop-filter: blur(15px);
		padding: 0.75rem 1.5rem;
		border-radius: 50px;
		box-shadow: var(--shadow);
		border: var(--card-border);
	}

	.header__list {
		justify-content: space-around;
		gap: 0;
	}

	.header__link {
		font-size: 0.9rem;
		padding-bottom: 0.25rem;
	}

	.header__logo {
		display: none;
	}

	.home__container {
		grid-template-columns: 1fr;
		text-align: center;
		gap: 3rem;
	}

	.home {
		padding-top: 8rem;
		padding-bottom: 4rem;
	}

	.home__image {
		grid-row: 1;
		justify-self: center;
	}

	.home__image img {
		width: 220px;
		height: 220px;
	}

	.home__content {
		align-items: center;
	}

	.section {
		padding: 4rem 0 1rem;
	}

	.about__shape {
		display: none;
	}
}