/* Global */
:root {
	/* Color */
	--color-white: #ffffff;
	--color-light-white: #eeeeee;
	--color-dark-white: #bdbdbd;
	--color-pink: #fe918d;
	--color-dark-pink: #ff6863;
	--color-black: #4d4d4d;
	--color-dark-grey: #4d4d4d;
	--color-grey: #616161;
	--color-light-grey: #7c7979;
	--color-blue: #73aace;
	--color-yellow: #fff7d1;
	--color-orange: #feb546;
	--color-black: #000000;

	/* Font size */
	--font-large: 48px;
	--font-medium: 28px;
	--font-regular: 18px;
	--font-small: 16px;
	--font-micro: 14px;

	/* Font weight */
	--weight-bold: 700;
	--weight-semi-bold: 600;
	--weight-regular: 400;

	/* Size */
	--size-border-radius: 4px;

	/* Annimation */
	--animation-duration: 300ms;
}

/* Universal tags */
* {
	box-sizing: border-box;
}

body {
	font-family: "Open Sans", sans-serif;
	margin: 0;
}

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

ul {
	padding-left: 0;
}

li {
	list-style: none;
}

button {
	background-color: transparent;
	cursor: pointer;
	border: none;
	outline: none;
}

/* Typography */
h1 {
	font-size: var(--font-large);
	font-weight: var(--weight-bold);
	color: var(--color-black);
	margin: 16px 0px;
}

h2 {
	font-size: var(--font-medium);
	font-weight: var(--weight-semi-bold);
	color: var(--color-black);
	margin: 8px 0;
}

h3 {
	font-size: var(--font-regular);
	font-weight: var(--font-regular);
	color: var(--color-black);
	margin: 8px 0;
}

p {
	font-size: var(--font-regular);
	font-weight: var(--font-regular);
	color: var(--color-black);
	margin: 4px 0;
}

/* Navbar */
#navbar {
	position: fixed;
	width: 100%;
	display: flex;
	justify-content: space-between;
	align-items: center;
	padding: 16px;
	background-color: transparent;
	transition: all var(--animation-duration) ease-in-out;
	z-index: 1;
}

#navbar.navbar--dark {
	background-color: var(--color-pink);
	padding: 8px;
}

.navbar__logo {
	font-size: var(--font-medium);
	font-weight: var(--weight-semi-bold);
	color: white;
}

.navbar__menu {
	display: flex;
	margin: 0;
}

.navbar__menu__item {
	padding: 8px 12px;
	margin: 0 4px;
	color: var(--color-white);
	cursor: pointer;
	border-radius: var(--size-border-radius);
}

.navbar__menu__item.active {
	border: 1px solid var(--color-white);
}

.navbar__menu__item:hover {
	border-color: var(--color-white);
	background-color: var(--color-dark-pink);
}

.navbar__toggle-btn {
	position: absolute;
	top: 24px;
	right: 32px;
	font-size: 24px;
	color: var(--color-white);
	display: none;
}

/* Home */
#home {
	background: url("imgs/home-background.png") center/cover no-repeat;
	padding: 40px;
	padding-top: 120px;
	text-align: center;
}

.home__avatar {
	width: 250px;
	height: 250px;
	border-radius: 50%;
	border: 2px solid var(--color-light-white);
}

.home__title,
.home__description {
	color: var(--color-white);
}

.home__contact {
	color: var(--color-white);
	font-size: var(--font-regular);
	font-weight: var(--weight-bold);
	margin: 24px;
	padding: 8px 12px;
	border: 2px solid var(--color-white);
	border-radius: var(--size-border-radius);
}

.home__contact:hover {
	background-color: var(--color-orange);
}
/* Section common */
.section {
	padding: 50px;
	text-align: center;
	margin: auto;
}

.section__container {
	max-width: 1200px;
	margin: auto;
}

/* About */
.about__majors {
	display: flex;
	justify-content: space-around;
	margin: 80px 0;
}

.major__icon {
	width: 170px;
	height: 170px;
	line-height: 170px;
	font-size: 70px;
	margin: auto;
	color: var(--color-blue);
	border: 1px solid var(--color-blue);
	border-radius: 50%;
	margin-bottom: 16px;
}

.major__icon i {
	transition: all var(--animation-duration) ease;
}

.major__icon:hover i {
	color: var(--color-pink);
	transform: rotate(-30deg) scale(1.1);
}

.major__title,
.major__description {
	color: var(--color-dark-grey);
}

.major__description {
	font-size: var(--font-small);
}

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

.job__description {
	margin: 0 16px;
	text-align: left;
}

.job__name,
.job__period {
	color: var(--color-light-grey);
}

.job__name {
	font-size: var(--font-small);
}

.job__period {
	font-size: var(--font-micro);
}

/* Skill */

#skills {
	background-color: var(--color-yellow);
}

.skillset {
	display: flex;
	background-color: var(--color-light-grey);
	color: var(--color-light-white);
	margin: 20px 0;
}

.skillset__title {
	color: var(--color-white);
}
.skillset__left {
	flex-basis: 60%;
	background-color: var(--color-dark-grey);
	padding: 20px 40px;
}

.skill {
	margin-bottom: 32px;
}
.skill__description {
	display: flex;
	justify-content: space-between;
}

.skill__bar {
	width: 100%;
	height: 3px;
	background-color: var(--color-grey);
}

.skill__value {
	height: 3px;
	background-color: var(--color-orange);
}

.skillset__right {
	flex-basis: 40%;
}

.tools {
	background-color: var(--color-grey);
}

.tools {
	padding: 20px;
}

/* Work */

.work__categories {
	margin: 40px;
}

.category__btn {
	border: 1px solid var(--color-dark-white);
	border-radius: var(--size-border-radius);
	font-size: var(--font-regular);
	padding: 8px 48px;
	position: relative;
}

.category__btn.selected,
.category__btn:hover {
	background-color: var(--color-pink);
	color: var(--color-white);
}

.category__btn.selected .category__count,
.category__btn:hover .category__count {
	opacity: 1;
	top: 0;
}

.category__count {
	background-color: var(--color-orange);
	border-radius: 50%;
	color: var(--color-white);
	width: 24px;
	height: 24px;
	line-height: 24px;
	display: inline-block;
	position: absolute;
	top: -20px;
	right: 16px;
	opacity: 0;
	transition: all var(--animation-duration) ease-in;
}

.work__projects {
	display: flex;
	flex-wrap: wrap;
	justify-content: center;
	opacity: 1;
	transition: all var(--animation-duration) ease-out;
}

.work__projects.anim-out {
	opacity: 0;
	transform: scale(0.96) translateY(40px);
}

.project {
	position: relative;
	display: flex;
	justify-content: center;
	align-items: center;
	width: 280px;
	height: 250px;
	margin: 2px;
	background-color: var(--color-light-white);
}

.project.invisible {
	display: none;
}

.project__img {
	width: 100%;
	height: 100%;
	align-self: center;
}

.project__description {
	position: absolute;
	background-color: black;
	display: flex;
	flex-direction: column;
	justify-content: center;
	width: 100%;
	height: 100%;
	top: 0;
	left: 0;
	opacity: 0;
	transform: translateY(10px);
	transition: all var(--animation-duration) ease-in;
}

.project:hover .project__description {
	opacity: 0.8;
	transform: translateY(0px);
}

.project__description h3 {
	color: var(--color-orange);
}

.project__description h3:after {
	content: "";
	display: block;
	position: relative;
	left: 50%;
	width: 50px;
	height: 2px;
	transform: translateX(-50%);
	margin-top: 8px;
	background-color: var(--color-dark-white);
}

/* Testimonial */
#testimonials {
	background-color: var(--color-light-white);
}

.testimonials {
	margin: 40px;
}

.testimonial {
	display: flex;
	margin: 32px 0;
}

.testimonial__avatar {
	width: 150px;
	height: 150px;
	border-radius: 50%;
}

.testimonial__avatar:nth-child(odd) {
	margin-right: 40px;
}

.testimonial__avatar:nth-child(even) {
	margin-left: 40px;
}

.testimonial__speech-bubble {
	padding: 18px;
	background-color: var(--color-white);
	border-radius: var(--size-border-radius);
}

.testimonial__speech-bubble p {
	color: var(--color-light-grey);
}

.testimonial__speech-bubble a {
	color: var(--color-pink);
}

/* Contact */
#contact {
	background-color: var(--color-pink);
}

.contact__title,
.contact__email,
.contact__rights {
	color: var(--color-white);
}

.contact__title {
	margin: 32px 0;
}

.contact__links {
	font-size: var(--font-large);
	margin: 24px 0;
	transition: all var(--animation-duration) ease-in;
}

.contact__links i:hover {
	transform: scale(1.1);
	color: var(--color-yellow);
}

/* Scroll */
.arrow-up {
	position: fixed;
	bottom: 50px;
	right: 50px;
	width: 70px;
	height: 70px;
	font-size: 50px;
	color: var(--color-white);
	background-color: var(--color-pink);
	border-radius: 50%;
	opacity: 0;
	pointer-events: none;
	transition: opacity 300ms ease-in;
}

.arrow-up.visible {
	opacity: 1;
	pointer-events: auto;
}

/* For below 768px screen width */
@media screen and (max-width: 768px) {
	:root {
		/* Font size */
		--font-large: 30px;
		--font-medium: 18px;
		--font-regular: 16px;
		--font-small: 14px;
		--font-micro: 12px;
	}

	.navbar__toggle-btn {
		display: block;
		top: 16px;
		right: 16px;
		font-size: var(--font-medium);
	}

	#navbar {
		flex-direction: column;
		align-items: flex-start;
		background-color: var(--color-pink);
	}

	#navbar.navbar--dark {
		padding: 16px;
	}
	.navbar__menu {
		flex-direction: column;
		text-align: center;
		width: 100%;
		display: none;
	}

	.navbar__menu.open {
		display: block;
	}

	.section {
		padding: 16px;
		padding-top: 40px;
	}

	.about__majors {
		flex-direction: column;
		margin-top: 30px;
		margin-bottom: 0px;
	}

	.major {
		margin-bottom: 30px;
	}

	.skillset {
		flex-direction: column;
	}

	.category__btn {
		margin: 4px 0;
		width: 100%;
	}

	.project {
		flex-grow: 1;
	}

	.testimonial {
		flex-direction: column;
		align-items: center;
	}

	.testimonial__avatar {
		width: 120px;
		height: 120px;
	}

	.testimonial__avatar:nth-child(even),
	.testimonial__avatar:nth-child(odd) {
		margin: 0;
		margin-bottom: 8px;
	}

	.testimonial__speech-bubble {
		order: 1;
	}

	.arrow-up {
		width: 50px;
		height: 50px;
		font-size: 30px;
		line-height: 50px;
		right: 16px;
		bottom: 16px;
	}
}