:root {
	--ioe-primary: #0095da;
	--ioe-primary-hover: #007ab8;
	--ioe-blue-medium: #1681ef;
	--ioe-blue-dark: #206fce;
	--ioe-blue-deeper: #004390;
	--ioe-blue-light: #00bfff;
	--ioe-text-dark: #1d1e1f;
	--ioe-text-body: #252525;
	--ioe-text-nav: #101828;
	--ioe-text-nav-active: #2072b8;
	--ioe-pink: #fe61b4;
	--ioe-pink-shadow: #ff0087;
	--ioe-bg: #f6f8f6;
	--ioe-white: #ffffff;
	--ioe-border: #dee2e6;
	--ioe-shadow-pink: 0 6px 11px rgba(254, 97, 180, 0.1);
	--ioe-shadow-card: 0 6px 11px rgba(29, 30, 31, 0.05);
	--ioe-heading-gradient: linear-gradient(91.27deg, #3b02f8 0%, #00ffb2 99.23%);
	--ioe-card-gradient: linear-gradient(91.09deg, #0095da 0%, #00bfff 100%);
	--ioe-radius-card: 28px;
	--ioe-radius-btn: 22.5px;
	--ioe-content-max: 1156px;
	--ioe-section-px: 60px;
}
*,
*::before,
*::after {
	box-sizing: border-box;
}
html {
	scroll-behavior: smooth;
}
body {
	font-family: "Montserrat", "Segoe UI", sans-serif;
	font-size: 16px;
	line-height: 1.5;
	color: var(--ioe-text-body);
	background: var(--ioe-bg);
	margin: 0;
	overflow-x: hidden;
}
img {
	max-width: 100%;
	display: block;
}
.ioe-section {
	padding: 96px 1rem clamp(16px, 2vw, 32px);
}

.ioe-container {
	max-width: var(--ioe-content-max);
	margin: 0 auto;
}
.ioe-heading-gradient {
	background: var(--ioe-heading-gradient);
	-webkit-background-clip: text;
	background-clip: text;
	-webkit-text-fill-color: transparent;
	color: transparent;
	font-family: "Montserrat", sans-serif;
	font-weight: 700;
	font-size: 50px;
	letter-spacing: -0.5px;
	line-height: 1.1;
	display: inline-block;
	width: 100%;
	margin-bottom: clamp(16px, 6vw, 32px);
}
header {
	width: 100%;
	position: fixed;
	top: 0;
	z-index: 100;
	background: var(--ioe-white);
	box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
}
.ioe-header {
	padding: 0.75rem 1rem;
	height: unset;
	display: flex;
	align-items: center;
	justify-content: space-between;
}
.ioe-header__logo img {
	height: 48px;
	width: auto;
	object-fit: contain;
}
.ioe-header__nav {
	display: flex;
	align-items: center;
	gap: 32px;
	list-style: none;
	margin: 0;
	padding: 0;
}
.ioe-header__nav-link {
	font-weight: 500;
	font-size: 16px;
	color: var(--ioe-text-nav);
	text-decoration: none;
	white-space: nowrap;
	transition: color 0.15s ease;
}
.ioe-header__nav-link:hover,
.ioe-header__nav-link.is-active {
	color: var(--ioe-text-nav-active);
}
.ioe-btn-cta {
	position: relative;
	display: inline-block;
	cursor: pointer;
	text-decoration: none;
	border: none;
	background: none;
	padding: 0;
	transform: translateY(-4px);
	animation: ioe-cta-bob 2.4s ease-in-out infinite;
}
.ioe-btn-cta:hover,
.ioe-btn-cta:active {
	animation-play-state: paused;
}
.ioe-btn-cta__shadow {
	position: absolute;
	inset: 0;
	background: #e4e4e4;
	border-radius: var(--ioe-radius-btn);
	box-shadow: 0 2px 0 0 var(--ioe-pink-shadow);
	width: 100%;
	max-width: 207px;
	height: 48px;
}
.ioe-btn-cta__face {
	width: calc(201 / 1036 * 100%);
	min-width: 164px;
	position: relative;
	overflow: hidden;
	margin: 3px 3px 0 3px;
	background: var(--ioe-pink);
	border-radius: 18.5px;
	max-width: 201px;
	height: 38px;
	display: flex;
	align-items: center;
	justify-content: center;
	filter: drop-shadow(0 4px 0 var(--ioe-pink-shadow));
	font-weight: 700;
	font-size: 16px;
	color: var(--ioe-white);
	letter-spacing: 0.5px;
	transition:
		transform 0.1s ease,
		filter 0.1s ease;
	animation: ioe-cta-glow 2.4s ease-in-out infinite;
}
.ioe-btn-cta__face::after {
	content: "";
	position: absolute;
	top: 0;
	left: -100%;
	width: 55%;
	height: 100%;
	background: linear-gradient(to right, transparent, rgba(255, 255, 255, 0.38), transparent);
	transform: skewX(-18deg);
	pointer-events: none;
}
.ioe-btn-cta:hover .ioe-btn-cta__face::after {
	animation: ioe-cta-shimmer 0.55s ease-in-out;
}
.ioe-btn-cta:hover .ioe-btn-cta__face,
.ioe-btn-cta:active .ioe-btn-cta__face {
	animation-play-state: paused;
}
.ioe-btn-cta:hover .ioe-btn-cta__face {
	transform: translateY(1px);
	filter: drop-shadow(0 2px 0 var(--ioe-pink-shadow));
}
.ioe-btn-cta:active .ioe-btn-cta__face {
	transform: translateY(3px);
	filter: drop-shadow(0 1px 0 var(--ioe-pink-shadow));
}
@keyframes ioe-cta-bob {
	0%,
	100% {
		transform: translateY(-4px);
	}
	50% {
		transform: translateY(-9px);
	}
}
@keyframes ioe-cta-glow {
	0%,
	100% {
		filter: drop-shadow(0 4px 0 var(--ioe-pink-shadow));
	}
	50% {
		filter: drop-shadow(0 4px 10px rgba(255, 0, 135, 0.55)) drop-shadow(0 4px 0 var(--ioe-pink-shadow));
	}
}
@keyframes ioe-cta-shimmer {
	to {
		left: 150%;
	}
}
.ioe-hero {
	position: relative;
}
.ioe-hero__banner {
	width: 100%;
	border-radius: 45px;
	overflow: hidden;
	line-height: 0;
	aspect-ratio: 1036/582.75;
}
.ioe-hero__content {
	width: calc(201 / 1036 * 100%);
	position: absolute;
	bottom: 20%;
	left: 50%;
	transform: translate(-50%, 50%);
	/* min-width: 164px; */
	display: flex;
	justify-content: center;
	align-items: center;
}
.ioe-hero__banner img {
	width: 100%;
	height: auto;
	display: block;
}
.ioe-users__inner {
	display: flex;
	align-items: center;
	gap: 24px;
}
.ioe-users__left {
	flex: 0 0 62%;
	max-width: 62%;
	position: relative;
}
.ioe-users__left img {
	width: 100%;
	pointer-events: none;
}
.ioe-users__right {
	flex: 1;
	min-width: 0;
}
.ioe-users-card {
	border-left: 1.5px solid var(--ioe-text-dark);
	padding: 4px 0 4px 32px;
	margin-bottom: 24px;
}
.ioe-users-card__name {
	font-size: 28px;
	font-weight: 700;
	color: var(--ioe-text-dark);
	letter-spacing: -0.9px;
	line-height: 1.4;
	margin: 0 0 8px;
}
.ioe-users-card__grades {
	font-size: 18px;
	font-weight: 400;
	color: var(--ioe-text-dark);
	letter-spacing: -0.9px;
	line-height: 1.5;
	margin: 0;
}
.ioe-ioe-trip__list {
	display: flex;
	flex-direction: column;
	gap: 16px;
	list-style: none;
	margin: 0;
	padding: 0;
}
.ioe-trip-item {
	background: var(--ioe-white);
	border-radius: var(--ioe-radius-card);
	box-shadow: var(--ioe-shadow-card);
	overflow: hidden;
	transition: box-shadow 0.2s ease;
}
.ioe-trip-item:first-child {
	border: 2px solid #1d84d4;
	background-color: #ebf6ff;
}
.ioe-trip-item:first-child .ioe-trip-item__date {
	color: #0095da;
}
.ioe-trip-item:nth-child(2) {
	border: 2px solid #3b02f8;
	background-color: #f0eeff;
}
.ioe-trip-item:nth-child(2) .ioe-trip-item__date {
	color: #3b02f8;
}
.ioe-trip-item:last-child {
	border: 2px solid #fe61b4;
	background-color: #fff0f7;
}
.ioe-trip-item:last-child .ioe-trip-item__date {
	color: #fe61b4;
}
.ioe-trip-item.is-open {
	box-shadow: var(--ioe-shadow-pink);
}
.ioe-trip-item__header {
	display: flex;
	align-items: flex-start;
	justify-content: space-between;
	padding: 16px 24px 0;
	cursor: pointer;
	user-select: none;
	gap: 16px;
}
.ioe-trip-item__header-left {
	flex: 1;
}
.ioe-trip-item__round {
	font-size: clamp(16px, 2.5vw, 20px);
	font-weight: 700;
	color: var(--ioe-text-body);
	letter-spacing: -0.9px;
	margin-bottom: 8px;
	text-transform: uppercase;
}
.ioe-trip-item__dates {
	display: flex;
	align-items: center;
	gap: 20px;
	padding-bottom: 16px;
}
.ioe-trip-item__date {
	font-size: clamp(20px, 2.5vw, 24px);
	font-weight: 700;
	color: var(--ioe-primary);
	line-height: 1.27;
}
.ioe-trip-item__arrow {
	display: flex;
	align-items: center;
	flex-shrink: 0;
}
.ioe-trip-item__arrow svg {
	width: 16px;
	height: 13px;
	fill: var(--ioe-primary);
}
.ioe-trip-item__toggle {
	flex-shrink: 0;
	width: 40px;
	height: 40px;
	border: none;
	background: none;
	cursor: pointer;
	padding: 0;
	display: flex;
	align-items: center;
	justify-content: center;
	margin-top: 4px;
}
.ioe-trip-item__toggle .icon-chevron {
	display: flex;
	transition: transform 0.25s ease;
}
.ioe-trip-item.is-open .ioe-trip-item__toggle .icon-chevron {
	transform: rotate(180deg);
}
.ioe-trip-item__toggle svg {
	width: 28px;
	height: 28px;
}
.ioe-trip-item:first-child .ioe-trip-item__toggle .icon-chevron {
	color: #0095da;
}
.ioe-trip-item:nth-child(2) .ioe-trip-item__toggle .icon-chevron {
	color: #3b02f8;
}
.ioe-trip-item:last-child .ioe-trip-item__toggle .icon-chevron {
	color: #fe61b4;
}
.ioe-trip-item__body {
	display: grid;
	grid-template-rows: 0fr;
	transition: grid-template-rows 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}
.ioe-trip-item.is-open .ioe-trip-item__body {
	grid-template-rows: 1fr;
}
.ioe-trip-item__content {
	overflow: hidden;
	padding: 0 24px 0;
	transition: padding-bottom 0.35s cubic-bezier(0.4, 0, 0.2, 1);
	font-size: clamp(14px, 2vw, 16px);
	font-weight: 500;
	color: var(--ioe-text-body);
	line-height: 1.5;
	overflow-wrap: break-word;
	word-break: break-word;
}
.ioe-trip-item.is-open .ioe-trip-item__content {
	padding-bottom: 24px;
}
.ioe-trip-item__content strong {
	font-weight: 700;
}
.ioe-trip-item__content p {
	margin: 0 0 2px;
}
.ioe-trip-item__content p:last-child {
	margin-bottom: 0;
}
.ioe-trip-time {
	color: #29abe2;
}
.ioe-prize {
	position: relative;
	background: url("../images/bg_gift_section.png") no-repeat center center/cover;
	margin: 0;
	padding-bottom: 4rem;
}
.ioe-prize::before {
	content: "";
	position: absolute;
	inset: 0;
	background: rgba(255, 255, 255, 0.6);
}
.ioe-prize__inner {
	position: relative;
	z-index: 1;
}
.prize-podium {
	display: grid;
	grid-template-columns: repeat(3, 1fr);
	place-items: center;
	gap: 24px;
	margin-bottom: 32px;
}
.prize-card {
	display: flex;
	flex-direction: column;
	align-items: center;
	border-radius: var(--ioe-radius-card);
	box-shadow: 0 4px 16px 0 #00000014;
	overflow: hidden;
}
.prize-card img {
	border-radius: 32px;
	pointer-events: none;
}
@property --ioe-prize-angle {
	syntax: "<angle>";
	initial-value: 0deg;
	inherits: false;
}
@keyframes ioe-prize-border-spin {
	to {
		--ioe-prize-angle: 360deg;
	}
}
.prize-card.isCenter {
	overflow: visible;
	position: relative;
	/* background: linear-gradient(160deg, #ffe066 8.49%, #d4960a 91.51%); */
	box-shadow: 0 0 25.2px 0 #c8900a66;
}
.prize-card.isCenter::before {
	content: "";
	position: absolute;
	inset: -2px;
	border-radius: calc(var(--ioe-radius-card) + 3px);
	background: conic-gradient(from var(--ioe-prize-angle), #a06200, #ffe066, #fffbe8, #ffffff, #ffe066, #a06200);
	animation: ioe-prize-border-spin 3s linear infinite;
	z-index: -1;
}
.prize-rules {
	border-radius: var(--ioe-radius-card);
	padding: 20px 32px;
	display: flex;
	flex-direction: column;
	align-items: center;
	justify-content: center;
	border: 1.5px solid #1558b033;
	color: #000;
	text-align: center;
	font-weight: 500;
	background: linear-gradient(135deg, rgba(255, 255, 255, 0.094) 100%, rgba(255, 255, 255, 0.07) 100%);
}
.prize-rules__title {
	font-size: 22px;
	font-weight: 700;
	line-height: 1.5;
	color: #1558b0;
	display: flex;
	align-items: center;
	gap: 8px;
}
.prize-rules__title::before {
	content: "";
	display: inline-block;
	width: 28px;
	height: 28px;
	background: url("../images/ic_gift_box.png") no-repeat center center/contain;
}
.ioe-footer {
	background: var(--ioe-blue-medium);
	padding: 40px 60px 0;
	color: var(--ioe-white);
}
.ioe-footer__top {
	display: flex;
	flex-direction: column;
	align-items: center;
	gap: 20px;
	padding-bottom: 28px;
}
.ioe-footer__logos {
	display: flex;
	align-items: center;
	gap: 20px;
}
.ioe-footer__logos img {
	height: 60px;
	width: auto;
}
.ioe-footer__logos img.ioe-logo-ioe {
	height: 68px;
	object-fit: contain;
}
.ioe-footer__address {
	font-size: 16px;
	font-weight: 500;
	line-height: 1.5;
	text-align: center;
	overflow-wrap: break-word;
	word-break: break-word;
}
.ioe-footer__address p {
	margin: 0 0 4px;
}
.ioe-footer__bottom {
	border-top: 1px solid rgba(243, 244, 246, 0.4);
	display: flex;
	align-items: center;
	justify-content: space-between;
	padding: 21px 0 20px;
}
.ioe-footer__copyright {
	font-size: 14px;
	font-weight: 600;
	margin: 0;
}
.ioe-footer__links {
	display: flex;
	gap: 24px;
}
.ioe-footer__link {
	font-size: 14px;
	font-weight: 700;
	color: var(--ioe-white);
	text-decoration: none;
}
.ioe-footer__link:hover {
	text-decoration: underline;
}
@media (max-width: 1199px) {
	:root {
		--ioe-section-px: 32px;
	}
	.ioe-heading-gradient {
		font-size: 40px;
	}
	.prize-podium {
		gap: 16px;
	}
}
@media (max-width: 991px) {
	.ioe-header__nav {
		gap: 20px;
	}
	.ioe-header__nav-link {
		font-size: 14px;
	}
}
@media (max-width: 767px) {
	:root {
		--ioe-section-px: 16px;
	}
	.ioe-section {
		padding: 48px 1rem clamp(16px, 8vw, 32px);
	}
	.ioe-intro {
		padding: 0 1rem 0;
	}
	.ioe-heading-gradient {
		font-size: 28px;
	}
	.prize-rules__title {
		font-size: 18px;
	}
	.ioe-header__nav {
		display: none;
	}
	.ioe-header__logo img {
		height: 42px;
	}
	.ioe-btn-cta__shadow {
		max-width: 170px;
		height: 36px;
	}
	.ioe-btn-cta__face {
		min-width: 130px;
		max-width: 164px;
		font-size: 14px;
		height: 28px;
		font-size: 12px;
	}
	.ioe-hero {
		padding: 16px 0 0;
	}
	.ioe-hero__banner {
		border-radius: 20px;
	}
	.ioe-trip-item__date {
		font-size: 22px;
	}
	.ioe-footer {
		padding: 32px 16px 0;
	}
	.ioe-footer__bottom {
		flex-direction: column;
		gap: 12px;
		text-align: center;
	}
	.ioe-users__inner {
		flex-direction: column;
	}
	.ioe-users__left {
		flex: none;
		max-width: 100%;
		width: 100%;
	}
	.ioe-users__right {
		display: flex;
		flex-direction: column;
		margin-top: 1.5rem;
	}
	.ioe-users__right,
	.ioe-users__right > div {
		width: 100%;
	}
	.ioe-users-card {
		margin-left: 24px;
		padding-left: 16px;
		margin-bottom: 16px;
	}
	.prize-podium {
		grid-template-columns: repeat(1, 1fr);
	}
	.ioe-hero__content {
		bottom: 15%;
		left: 50%;
		transform: translate(-50%, 50%);
	}
	header {
	position: sticky;
}
}

/* ===================== Custom Scrollbar ===================== */
::-webkit-scrollbar {
	width: 8px;
	height: 8px;
}

::-webkit-scrollbar-track {
	background: #e8f4fc;
	border-radius: 4px;
}

::-webkit-scrollbar-thumb {
	background: var(--ioe-primary);
	border-radius: 4px;
	transition: background 0.2s ease;
}

::-webkit-scrollbar-thumb:hover {
	background: var(--ioe-primary-hover);
}

::-webkit-scrollbar-corner {
	background: #e8f4fc;
}

* {
	scrollbar-width: thin;
	scrollbar-color: var(--ioe-primary) #e8f4fc;
}
