:root {
	--twine: #bb9450;
	--black: #040404;
	--dallas: #604820;
	--boulder: #7c7c7c;
	--punch: #dc332e;
	--boulder-alt: #747474;
	--mikado: #302513;
	--tuatara: #3c3c3b;
	--mine-shaft: #343434;
	--hunter-green: #1c2414;
	--gradient-primary: linear-gradient(135deg, var(--twine), var(--dallas));
	--gradient-dark: linear-gradient(135deg, var(--black), var(--mikado));
	--shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
	--shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
	--shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
	--transition-fast: 0.3s ease;
	--transition-medium: 0.5s ease;
}

* {
	margin: 0;
	padding: 0;
	box-sizing: border-box;
	font-family: 'Poppins', sans-serif;
}

html {
	scroll-behavior: smooth;
}

body {
	min-height: 100vh;
	width: 100%;
	background-color: var(--black);
	color: #fff;
	overflow-x: hidden;
	line-height: 1.6;
}

/* Header and Navigation Styles */
.header, .sub-header {
	background: rgba(4, 4, 4, 0.95);
	backdrop-filter: blur(10px);
	position: fixed;
	width: 100%;
	top: 0;
	z-index: 1000;
	transition: all var(--transition-fast);
	padding: 1rem 0;
}

.header.scrolled {
	background: rgba(4, 4, 4, 0.98);
	box-shadow: var(--shadow-lg);
	padding: 0.8rem 0;
}

nav {
	display: flex;
	padding: 0 6%;
	justify-content: space-between;
	align-items: center;
	max-width: 1400px;
	margin: 0 auto;
}

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

nav img {
	width: 180px;
	transition: transform var(--transition-fast);
}

nav img:hover {
	transform: scale(1.05);
}

.nav-links {
	flex: 1;
	text-align: right;
}

.nav-links ul {
	display: flex;
	justify-content: flex-end;
	align-items: center;
	gap: 2rem;
	margin: 0;
	padding: 0;
}

.nav-links ul li {
	list-style: none;
	position: relative;
}

.nav-links ul li a {
	color: #fff;
	text-decoration: none;
	font-size: 1rem;
	font-weight: 500;
	transition: color var(--transition-fast);
	padding: 0.5rem 1rem;
	border-radius: 4px;
}

.nav-links ul li a:hover,
.nav-links ul li a.active {
	color: var(--twine);
	background: rgba(187, 148, 80, 0.1);
}

/* Hide menu icons on desktop */
.fa-bars, .fa-times {
	display: none !important;
	color: var(--twine);
	font-size: 1.5rem;
	cursor: pointer;
}

/* Responsive Navigation */
@media (max-width: 768px) {
	.fa-bars, .fa-times {
		display: block !important;
		margin: 1rem;
	}

	.nav-links {
		position: fixed;
		background: rgba(48, 37, 19, 0.98);
		backdrop-filter: blur(10px);
		height: 100vh;
		width: 250px;
		top: 0;
		right: -250px;
		text-align: left;
		z-index: 999;
		transition: var(--transition-fast);
	}

	.nav-links ul {
		flex-direction: column;
		padding: 3rem 2rem;
		gap: 1.5rem;
	}

	.nav-links ul li {
		margin: 0;
	}

	.nav-links ul li a {
		display: block;
		padding: 0.8rem 1rem;
	}
}

/* Hero Section Styles */
.hero-section {
	min-height: 100vh;
	display: flex;
	align-items: center;
	justify-content: center;
	background: var(--gradient-dark);
	position: relative;
	overflow: hidden;
}

.hero-section::before {
	content: '';
	position: absolute;
	width: 100%;
	height: 100%;
	background: url('../images/pattern.png') repeat;
	opacity: 0.1;
	animation: backgroundMove 20s linear infinite;
}

@keyframes backgroundMove {
	from { background-position: 0 0; }
	to { background-position: 100% 100%; }
}

.text-box {
	text-align: center;
	max-width: 900px;
	padding: 2rem;
	position: relative;
	z-index: 1;
}

.text-box h1 {
	font-size: 4rem;
	margin-bottom: 1.5rem;
	background: var(--gradient-primary);
	-webkit-background-clip: text;
	-webkit-text-fill-color: transparent;
	line-height: 1.2;
	font-weight: 700;
	text-shadow: 0 1px 1px rgba(0, 0, 0, 0.3);
}

.text-box p {
	font-size: 1.25rem;
	color: #ffffff;
	margin-bottom: 2.5rem;
	max-width: 700px;
	margin-left: auto;
	margin-right: auto;
}

.hero-btn {
	display: inline-block;
	text-decoration: none;
	color: var(--twine);
	border: 2px solid var(--twine);
	padding: 1rem 2.5rem;
	font-size: 1rem;
	font-weight: 600;
	background: transparent;
	position: relative;
	cursor: pointer;
	overflow: hidden;
	transition: all var(--transition-fast);
	z-index: 1;
	border-radius: 30px;
}

.hero-btn::before {
	content: '';
	position: absolute;
	top: 0;
	left: 0;
	width: 100%;
	height: 100%;
	background: var(--gradient-primary);
	transform: translateX(-100%) rotate(45deg);
	transition: all 0.6s ease;
	z-index: -1;
}

.hero-btn:hover::before {
	transform: translateX(0) rotate(45deg);
}

.hero-btn:hover {
	color: var(--black);
	border-color: transparent;
	transform: translateY(-3px);
	box-shadow: var(--shadow-lg);
}

/* About Section Styles */
.about-us {
	padding: 8rem 2rem;
	background: var(--mine-shaft);
	position: relative;
}

.about-us::before {
	content: '';
	position: absolute;
	top: 0;
	left: 0;
	width: 100%;
	height: 100%;
	background: linear-gradient(45deg, rgba(187, 148, 80, 0.05) 0%, transparent 100%);
}

.section-title {
	text-align: center;
	margin-bottom: 4rem;
	position: relative;
}

.section-title h2 {
	color: var(--twine);
	font-size: 3.5rem;
	margin-bottom: 1rem;
	position: relative;
	display: inline-block;
}

.section-title h2::after {
	content: '';
	position: absolute;
	bottom: -10px;
	left: 50%;
	transform: translateX(-50%);
	width: 80px;
	height: 3px;
	background: var(--gradient-primary);
}

.section-title p {
	/* color: var(--boulder); */
	font-size: 1.1rem;
	max-width: 600px;
	margin: 0 auto;
}

.row {
	display: flex;
	flex-wrap: wrap;
	justify-content: center;
	gap: 2rem;
	max-width: 1400px;
	margin: 0 auto;
}

.about-col {
	flex: 1;
	min-width: 300px;
	background: rgba(4, 4, 4, 0.3);
	border-radius: 15px;
	padding: 2.5rem;
	transition: all var(--transition-medium);
	border: 1px solid rgba(187, 148, 80, 0.1);
	position: relative;
	overflow: hidden;
}

.about-col::before {
	content: '';
	position: absolute;
	top: 0;
	left: 0;
	width: 100%;
	height: 100%;
	background: var(--gradient-primary);
	opacity: 0;
	transition: opacity var(--transition-medium);
	z-index: 0;
}

.about-col:hover {
	transform: translateY(-10px);
	border-color: var(--twine);
	box-shadow: var(--shadow-lg);
}

.about-col:hover::before {
	opacity: 0.05;
}

.about-col i {
	color: var(--twine);
	margin-bottom: 1.5rem;
	font-size: 2.5rem;
	position: relative;
	z-index: 1;
}

.about-col h3 {
	color: var(--twine);
	font-size: 1.5rem;
	margin-bottom: 1rem;
	position: relative;
	z-index: 1;
}

.about-col p {
	/* color: var(--boulder); */
	line-height: 1.8;
	position: relative;
	z-index: 1;
}

/* Team Section Styles */
.campus {
	padding: 8rem 2rem;
	background: var(--black);
	position: relative;
}

/* .team-grid {
	display: block;
	/* grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); */
	/* gap: 2rem; */
	/* max-width: 1400px; 
	margin: 0 auto;
} */

.campus-col {
	position: relative;
	border-radius: 15px;
	overflow: hidden;
	aspect-ratio: 1;
}

.campus-col img {
	display: block; margin: auto; 
	width: 20%;
	height: 20%;
	/* object-fit: cover; */
	transition: transform 0.8s ease;
}

.layer {
	margin-bottom: 237px;
	/* margin-left: 100px; */
	/* background: linear-gradient(to top, 
		rgba(48, 37, 19, 0.95),
		rgba(48, 37, 19, 0.7) 50%,
		transparent 100%); */
	/* position: absolute;
	bottom: 0;
	left: 0;
	width: 20%;
	height: 20%;
	display: flex;
	flex-direction: column;
	justify-content: flex-end;
	padding: 2rem;
	transform: translateY(20%);
	transition: all var(--transition-medium); */

	/* margin-bottom: 237px;
	margin-left: 100px;
	 opacity: 1 !important;
	visibility: visible !important;
	width: 50%;
	height: 50%; 
	width: 50%;
	height: 50%;
	object-fit: cover;
	transition: transform 0.8s ease; */

	display: block; margin: auto; 
	width: 20%;
	height: 20%;
	/* object-fit: cover; */
	transition: transform 0.8s ease;
}

.campus-col:hover .layer {
	transform: translateY(0);
}

.campus-col:hover img {
	transform: scale(1.1);
}

.layer h3 {
	color: white;
	font-size: 1.5rem;
	/* margin-top: 15rem; */
	margin-top: -6rem;
}

/* @media (max-width: 1024px) {
	.layer h3 {
		margin-top: 0rem;
	}
} */

@media (max-width:700px) {
	.layer h3 {
		margin-top: -35%;
	}
}

@media (max-width: 768px) {
.layer h3 {
	/* margin-left: 5%; */
	/* margin-top: -58%; */
	font-size: 20px;
	margin-left: -5%;
	margin-top: -63%;
}	
}

@media (max-width: 600px) {
	.layer h3 {
		margin-left: -13%;
        margin-top: -76%;
        font-size: 18px;
    }
}

@media (max-width: 500px) {
	.layer h3 {
		margin-left: -14%;
        margin-top: -72%;
        font-size: 15px;
    }
}

/* @media (max-width:1440px){
	.layer h3 {
        margin-left: -10%;
        margin-top: -60%;
        font-size: 30px;
    }
} */

.layer p {
	margin-bottom: 1000px;
	color: #fff;
	font-size: 1rem;
	opacity: 0;
	transform: translateY(20px);
	transition: all var(--transition-medium);
}

.campus-col:hover .layer p {
	opacity: 1;
	transform: translateY(1);
	margin-bottom: 200px;
}

/* Services Section Styles */
.facilities {
	padding: 8rem 2rem;
	background: var(--mine-shaft);
	position: relative;
}

.facilities-col {
	background: rgba(4, 4, 4, 0.3);
	border-radius: 15px;
	padding: 2.5rem;
	transition: all var(--transition-medium);
	position: relative;
	overflow: hidden;
	flex: 1;
	min-width: 300px;
	border: 1px solid rgba(187, 148, 80, 0.1);
	display: flex;
	flex-direction: column;
	height: 100%;
}

.facilities-col::before {
	content: '';
	position: absolute;
	top: 0;
	left: 0;
	width: 100%;
	height: 100%;
	background: var(--gradient-primary);
	opacity: 0;
	transition: opacity var(--transition-medium);
	z-index: 0;
}

.facilities-col:hover {
	transform: translateY(-10px);
	border-color: var(--twine);
	box-shadow: var(--shadow-lg);
}

.facilities-col:hover::before {
	opacity: 0.05;
}

.facilities-col i {
	color: var(--twine);
	margin-bottom: 2rem;
	font-size: 2.5rem;
	position: relative;
	z-index: 1;
}

.facilities-col h3 {
	color: var(--twine);
	font-size: 1.5rem;
	margin-bottom: 1.5rem;
	position: relative;
	z-index: 1;
}

.facilities-col p {
	/* color: var(--boulder); */
	line-height: 1.8;
	position: relative;
	z-index: 1;
	margin-bottom: 1rem;
}

/* Service List Styles */
.service-list {
	list-style: none;
	margin-top: 1.5rem;
	position: relative;
	z-index: 1;
}

.service-list li {
	/* color: var(--boulder); */
	margin-bottom: 0.8rem;
	padding-left: 1.5rem;
	position: relative;
	transition: all var(--transition-fast);
}

.service-list li::before {
	content: '';
	position: absolute;
	left: 0;
	top: 50%;
	transform: translateY(-50%);
	width: 6px;
	height: 6px;
	border-radius: 50%;
	background: var(--twine);
}

/* Add hover effect for service items */
.service-list li:hover {
	color: var(--twine);
	transform: translateX(5px);
}

.service-list li:hover::before {
	background: var(--gradient-primary);
	transform: translateY(-50%) scale(1.5);
}

/* Testimonials Section */
.testimonials {
	/* margin-bottom: 1000px; */
	margin-top: -60rem;
	padding: 8rem 2rem;
	background: var(--black);
}

.testimonial-col {
	background: rgba(4, 4, 4, 0.3);
	border-radius: 15px;
	padding: 3rem;
	text-align: left;
	position: relative;
	border: 1px solid rgba(187, 148, 80, 0.1);
	transition: all var(--transition-medium);
}

.testimonial-col:hover {
	transform: translateY(-10px);
	border-color: var(--twine);
	box-shadow: var(--shadow-lg);
}

.testimonial-col .fa-quote-left {
	color: var(--twine);
	opacity: 0.3;
	font-size: 2rem;
	margin-bottom: 1rem;
}

.testimonial-col p {
	font-size: 1.1rem;
	line-height: 1.8;
	margin-bottom: 1.5rem;
	/* color: var(--boulder); */
}

.testimonial-col h3 {
	color: var(--twine);
	font-size: 1.2rem;
	margin-bottom: 0.5rem;
}

.testimonial-col .fa-star {
	color: var(--twine);
	margin-right: 0.3rem;
}

/* CTA Section Styles */
.cta {
	padding: 8rem 2rem;
	text-align: center;
	background: var(--gradient-dark);
	position: relative;
	overflow: hidden;
}

.cta::before {
	content: '';
	position: absolute;
	width: 100%;
	height: 100%;
	background: url('../images/pattern.png') repeat;
	opacity: 0.1;
	animation: backgroundMove 20s linear infinite;
}

.cta h2 {
	color: var(--twine);
	font-size: 3rem;
	margin-bottom: 1.5rem;
	position: relative;
}

.cta p {
	/* color: var(--boulder); */
	font-size: 1.2rem;
	margin-bottom: 2rem;
	position: relative;
}

.social-icons {
	margin-top: 3rem;
	position: relative;
}

.social-icons a {
	color: var(--twine);
	font-size: 1.5rem;
	margin: 0 1rem;
	transition: all var(--transition-fast);
}

.social-icons a:hover {
	background: var(--twine) !important;
	transform: translateY(-5px);
}

/* Footer Styles */
footer {
	background: var(--black);
	padding: 60px 0 20px;
	margin-top: 40px;
	border-top: 1px solid rgba(187, 148, 80, 0.3);
}

.footer-content {
	max-width: 1200px;
	margin: 0 auto;
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
	gap: 3rem;
	text-align: left;
	padding: 0 20px;
}

.footer-section {
	padding: 0 20px;
}

.footer-section h3 {
	color: var(--twine);
	font-size: 1.2rem;
	margin-bottom: 25px;
	position: relative;
	font-weight: 600;
}

.footer-section h3::after {
	content: '';
	position: absolute;
	left: 0;
	bottom: -10px;
	width: 50px;
	height: 2px;
	background: var(--twine);
}

.footer-section ul {
	list-style: none;
}

.footer-section ul li {
	margin-bottom: 12px;
}

.footer-section ul li a {
	color: #ccc;
	text-decoration: none;
	transition: all 0.3s ease;
}

.footer-section ul li a:hover {
	color: var(--twine);
	padding-left: 10px;
}

.footer-section p {
	color: #ccc;
	margin-bottom: 15px;
}

.footer-bottom {
	margin-top: 40px;
	padding-top: 20px;
	border-top: 1px solid rgba(187, 148, 80, 0.1);
	text-align: center;
}

.footer-bottom p {
	color: var(--boulder);
}

/* Contact Page Styles */
.contact-info {
	padding: 80px 0;
	background-color: var(--mine-shaft);
}

.contact-grid {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
	gap: 30px;
	margin-top: 40px;
}

.contact-card {
	background: rgba(52, 52, 52, 0.7);
	padding: 30px;
	border-radius: 10px;
	box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
	text-align: center;
	transition: transform 0.3s ease;
}

.contact-card:hover {
	transform: translateY(-10px);
}

.contact-card i {
	font-size: 2.5em;
	color: #bb9450;
	margin-bottom: 20px;
}

.contact-card h3 {
	color: var(--twine);
	margin-bottom: 15px;
	font-size: 1.2em;
}

.contact-card p {
	color: #ffffff;
	line-height: 1.6;
}

.contact-form {
	padding: 80px 0;
	background-color: var(--black);
	margin-top: 20px;
}

.form-wrapper {
	max-width: 800px;
	margin: 0 auto;
	padding: 40px;
	background: rgba(60, 60, 60, 0.8);
	border-radius: 10px;
	box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
	border: 1px solid var(--twine);
}

.form-wrapper h2 {
	text-align: center;
	color: var(--twine);
	margin-bottom: 10px;
}

.form-wrapper p {
	text-align: center;
	color: #ffffff;
	margin-bottom: 30px;
}

.form-group {
	position: relative;
	margin-bottom: 30px;
}

.form-group input{
	width: 100%;
	padding: 15px;
	background-color: rgba(255, 255, 255, 0.9);
	color: var(--twine);
	border: 1px solid #aaa;
	border-radius: 5px;
	font-size: 16px;
	/* transition: all 0.3s ease; */
}
.form-group textarea,
.form-group select {
	width: 100%;
	padding: 15px;
	background-color: rgba(255, 255, 255, 0.9);
	color: var(--twine);
	border: 1px solid #aaa;
	border-radius: 5px;
	font-size: 16px;
	/* transition: all 0.3s ease; */
}

.form-group select {
	height: 50px;
	appearance: none;
	-webkit-appearance: none;
	background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23bb9450' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e");
	background-repeat: no-repeat;
	background-position: right 15px center;
	background-size: 15px;
}

.form-group label {
	position: absolute;
	left: 15px;
	top: 15px;
	color: #666;
	pointer-events: none;
	transition: all 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
	border-color: var(--twine);
	outline: none;
	box-shadow: 0 0 0 2px rgba(187, 148, 80, 0.1);
}

.form-group input:focus + label,
.form-group textarea:focus + label,
.form-group input:valid + label,
.form-group textarea:valid + label,
.form-group input:not(:placeholder-shown) + label,
.form-group textarea:not(:placeholder-shown) + label {
	top: -25px;
	left: 0;
	font-size: 14px;
	color: var(--twine);
}

.submit-btn {
	display: block;
	width: 100%;
	padding: 15px;
	background: var(--twine);
	color: #fff;
	border: none;
	border-radius: 30px;
	font-size: 16px;
	font-weight: 600;
	cursor: pointer;
	transition: all 0.3s ease; 

}

.submit-btn-btn{
	/*display: block;
	 width: 40%; */
	 vertical-align: middle;
	 color: #fff;
	border: none;
	 width: 45%;
	 border-radius: 30px;
	padding: 15px;
	background: var(--twine);
	display: inline-block; 
	margin: 15px;
}

.submit-btn:hover {
	background: var(--dallas);
	transform: translateY(-3px);
	box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.social-connect {
	padding: 80px 0;
	background-color: var(--mine-shaft);
}

.social-icons {
	display: flex;
	justify-content: center;
	gap: 20px;
	margin-top: 30px;
}

.social-icon {
	width: 50px;
	height: 50px;
	background: #fff;
	border-radius: 50%;
	display: flex;
	align-items: center;
	justify-content: center;
	color: #ff5733;
	font-size: 1.5em;
	transition: all 0.3s ease;
	box-shadow: 0 3px 10px rgba(0, 0, 0, 0.1);
}

.social-icon:hover {
	background: #ff5733;
	color: #fff;
	transform: translateY(-5px);
}

@media (max-width: 768px) {
	.contact-grid {
		grid-template-columns: 1fr;
	}

	.form-wrapper {
		padding: 20px;
	}

	.social-icons {
		flex-wrap: wrap;
	}
}

/* Animation Classes */
.animate-on-scroll {
	opacity: 0;
	transform: translateY(20px);
	transition: all 0.6s ease;
}

.animate-on-scroll.show,
.animate-on-scroll.visible {
	opacity: 1;
	transform: translateY(0);
}

/* Responsive Styles */
@media (max-width: 768px) {
	.contact-grid {
		grid-template-columns: 1fr;
	}

	.form-wrapper {
		padding: 20px;
	}

	.social-icons {
		gap: 15px;
	}

	.social-icon {
		width: 40px;
		height: 40px;
		font-size: 1.2em;
	}

	.footer-content {
		grid-template-columns: 1fr;
		text-align: center;
	}
}

/* Animations */
@keyframes slideInLeft {
	from {
		transform: translateX(-100px);
		opacity: 0;
	}
	to {
		transform: translateX(0);
		opacity: 1;
	}
}

@keyframes slideInRight {
	from {
		transform: translateX(100px);
		opacity: 0;
	}
	to {
		transform: translateX(0);
		opacity: 1;
	}
}

.slide-in-left {
	animation: slideInLeft var(--transition-medium);
}

.slide-in-right {
	animation: slideInRight var(--transition-medium);
}

/* Scroll Animations */
.reveal {
	position: relative;
	opacity: 0;
	transition: all 0.8s ease;
}

.reveal.active {
	opacity: 1;
}

.reveal.fade-bottom {
	transform: translateY(50px);
}

.reveal.fade-bottom.active {
	transform: translateY(0);
}

/* Loading Animation */
.loader {
	width: 48px;
	height: 48px;
	border: 3px solid var(--twine);
	border-radius: 50%;
	display: inline-block;
	position: relative;
	box-sizing: border-box;
	animation: rotation 1s linear infinite;
}

.loader::after {
	content: '';  
	box-sizing: border-box;
	position: absolute;
	left: 50%;
	top: 50%;
	transform: translate(-50%, -50%);
	width: 40px;
	height: 40px;
	border-radius: 50%;
	border: 3px solid transparent;
	border-bottom-color: var(--punch);
}

@keyframes rotation {
	0% {
		transform: rotate(0deg);
	}
	100% {
		transform: rotate(360deg);
	}
}

/* Form Validation Styles */
.form-group input.error,
.form-group textarea.error,
.form-group select.error {
    border-color: #ff3333;
    background-color: rgba(255, 240, 240, 0.9);
}

.error-message {
    color: #ff3333;
    font-size: 0.85rem;
    margin-top: 5px;
    padding-left: 12px;
}

.success-message {
    background-color: rgba(34, 139, 34, 0.1);
    color: #3c763d;
    padding: 15px;
    margin-top: 20px;
    border-radius: 5px;
    text-align: center;
    animation: fadeIn 0.5s ease;
    border: 1px solid rgba(34, 139, 34, 0.3);
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Active Label State */
.form-group label.active {
    transform: translateY(-25px);
    font-size: 12px;
    color: #f44336;
}

/* Form Focus States */
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    border-color: #f44336;
    box-shadow: 0 0 0 2px rgba(244, 67, 54, 0.1);
}

/* Loading State */
.submit-btn.loading {
    position: relative;
    color: transparent;
}

.submit-btn.loading::after {
    content: "";
    position: absolute;
    width: 20px;
    height: 20px;
    top: 50%;
    left: 50%;
    margin: -10px 0 0 -10px;
    border: 2px solid #fff;
    border-top-color: transparent;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}