/* --- VARIABLES & RESET --- */
:root {
	--primary: #0056b3;
	--secondary: #00a8cc;
	--dark: #1a1a1a;
	--light: #ffffff;
	--bg-body: #ffffff;
	--bg-section: #f8f9fa;
	--text-main: #333333;
	--text-muted: #666666;
	--border: #e1e1e1;
	--shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
	--radius: 8px;
	--nav-height: 80px;

	/* Header Vars */
	--header-text-scroll: #333333;
	--header-bg-scroll: rgba(255, 255, 255, 0.95);
}

[data-theme="dark"] {
	--primary: #4da3ff;
	--secondary: #00d2ff;
	--bg-body: #121212;
	--bg-section: #1e1e1e;
	--text-main: #e0e0e0;
	--text-muted: #aaaaaa;
	--border: #333333;
	--shadow: 0 10px 30px rgba(0, 0, 0, 0.5);

	--header-text-scroll: #e0e0e0;
	--header-bg-scroll: rgba(18, 18, 18, 0.95);
}

* {
	margin: 0;
	padding: 0;
	box-sizing: border-box;
}
html {
	scroll-behavior: smooth;
}
body {
	font-family: "Segoe UI", system-ui, sans-serif;
	background: var(--bg-body);
	color: var(--text-main);
	line-height: 1.7;
	transition:
		background 0.3s,
		color 0.3s;
}
a {
	text-decoration: none;
	color: inherit;
	transition: 0.3s;
}
ul {
	list-style: none;
}
img {
	max-width: 100%;
	display: block;
}

/* --- UTILITIES --- */
.container {
	max-width: 1200px;
	margin: 0 auto;
	padding: 0 20px;
}
.section {
	padding: 80px 0;
}
.bg-light {
	background: var(--bg-section);
}
.btn {
	display: inline-block;
	padding: 12px 30px;
	border-radius: 50px;
	font-weight: 600;
	cursor: pointer;
	border: 2px solid transparent;
	transition: 0.3s;
}
.btn-primary {
	background: var(--primary);
	color: #fff;
}
.btn-primary:hover {
	transform: translateY(-2px);
	box-shadow: 0 5px 15px rgba(0, 86, 179, 0.3);
}
.btn-outline {
	border-color: #fff;
	color: #fff;
	background: transparent;
}
.btn-outline:hover {
	background: #fff;
	color: var(--primary);
	border-color: #fff;
}

.section-subtitle {
	color: var(--secondary);
	text-transform: uppercase;
	font-size: 0.9rem;
	letter-spacing: 2px;
	font-weight: 700;
	margin-bottom: 10px;
}
.section-title {
	font-size: 2.5rem;
	margin-bottom: 20px;
	color: var(--text-main);
}
.center-header {
	text-align: center;
	max-width: 800px;
	margin: 0 auto 50px;
}

/* --- LANGUAGE DISPLAY --- */
body.lang-en .cn-content {
	display: none !important;
}
body.lang-cn .en-content {
	display: none !important;
}

/* --- HEADER FIX --- */
header {
	position: fixed;
	top: 0;
	width: 100%;
	height: var(--nav-height);
	z-index: 1000;
	transition: 0.3s;
	background: transparent;
	color: #ffffff !important;
}

/* Scrolled State */
header.scrolled {
	background: var(--header-bg-scroll);
	backdrop-filter: blur(10px);
	box-shadow: var(--shadow);
	color: var(--header-text-scroll) !important;
}

.nav-container {
	display: flex;
	justify-content: space-between;
	align-items: center;
	height: 100%;
}
.logo {
	display: flex;
	align-items: center;
	gap: 10px;
	color: inherit;
}

/* --- UPDATED LOGO CSS --- */
.logo-img {
	height: 45px;
	width: 45px;
	transition: 0.3s;
	filter: brightness(0) invert(1);
}

header.scrolled .logo-img {
	filter: none;
}

[data-theme="dark"] header.scrolled .logo-img {
	filter: brightness(0) invert(1);
}
/* ------------------------ */

.logo-text {
	font-weight: 800;
	font-size: 1.2rem;
	line-height: 1.1;
}
.logo-sub {
	display: block;
	font-size: 0.75rem;
	font-weight: 400;
	opacity: 0.8;
}

.nav-right {
	display: flex;
	align-items: center;
	gap: 30px;
}
.nav-links {
	display: flex;
	gap: 20px;
}
.nav-link {
	font-weight: 500;
	font-size: 0.9rem;
	position: relative;
	color: inherit;
}
.nav-link:hover {
	opacity: 0.7;
}
.btn-nav {
	padding: 8px 20px;
	background: var(--primary);
	color: #fff;
	border-radius: 4px;
	font-size: 0.9rem;
	border: none;
}

.controls {
	display: flex;
	gap: 10px;
	align-items: center;
}
.control-btn {
	background: rgba(255, 255, 255, 0.1);
	border: 1px solid currentColor;
	color: inherit;
	padding: 8px 15px;
	min-width: 44px;
	height: 40px;
	border-radius: 20px;
	cursor: pointer;
	display: flex;
	align-items: center;
	justify-content: center;
	gap: 8px;
	transition: 0.3s;
}
.control-btn:hover {
	background: rgba(128, 128, 128, 0.2);
}
.mobile-toggle {
	display: none;
	background: none;
	border: none;
	font-size: 1.5rem;
	color: inherit;
	cursor: pointer;
}

/* --- HERO --- */
.hero {
	min-height: 90vh;
	position: relative;
	display: flex;
	align-items: center;
	background: url("https://images.unsplash.com/photo-1497366216548-37526070297c?auto=format&fit=crop&w=1920&q=80") center/cover;
}
.hero-overlay {
	position: absolute;
	inset: 0;
	background: linear-gradient(135deg, rgba(0, 0, 0, 0.8) 0%, rgba(0, 86, 179, 0.4) 100%);
}
.hero-content {
	position: relative;
	z-index: 2;
	color: #fff;
	max-width: 900px;
	padding-top: 60px;
}
.hero-tag {
	display: inline-block;
	background: rgba(255, 255, 255, 0.1);
	padding: 5px 15px;
	border-radius: 20px;
	font-size: 0.9rem;
	margin-bottom: 20px;
	backdrop-filter: blur(5px);
	border: 1px solid rgba(255, 255, 255, 0.2);
}
.hero h1 {
	font-size: 3rem;
	line-height: 1.2;
	margin-bottom: 20px;
	font-weight: 800;
}
.hero p {
	font-size: 1.15rem;
	margin-bottom: 40px;
	opacity: 0.95;
	max-width: 700px;
	font-weight: 300;
}
.hero-btns {
	display: flex;
	gap: 20px;
	flex-wrap: wrap;
}

/* --- ABOUT & VMV GRID --- */
.vmv-grid {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
	gap: 30px;
	margin-top: 50px;
}
.vmv-card {
	background: var(--bg-section);
	padding: 30px;
	border-radius: var(--radius);
	border: 1px solid var(--border);
	transition: 0.3s;
}
.vmv-card:hover {
	box-shadow: var(--shadow);
	transform: translateY(-5px);
}
.icon-box-small {
	font-size: 1.5rem;
	color: var(--primary);
	margin-bottom: 15px;
}
.vmv-card h3 {
	margin-bottom: 15px;
	color: var(--text-main);
}
.simple-list li {
	margin-bottom: 8px;
	list-style-type: disc;
	margin-left: 18px;
	color: var(--text-muted);
}
.check-list-small li {
	margin-bottom: 8px;
	display: flex;
	align-items: center;
	gap: 10px;
	color: var(--text-muted);
}
.check-list-small li::before {
	content: "\f00c";
	font-family: "Font Awesome 6 Free";
	font-weight: 900;
	color: var(--secondary);
}

/* --- TRAINER SECTION --- */
.split-layout {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: 60px;
	align-items: center;
}
.trainer-layout .split-image img {
	height: 100%;
	width: 100%;
	object-fit: contain;
	max-height: 500px;
	border-radius: var(--radius);
}
.floating-name-card {
	position: absolute;
	bottom: 30px;
	left: 30px;
	right: 30px;
	background: rgba(255, 255, 255, 0.95);
	padding: 20px;
	border-radius: var(--radius);
	box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
	text-align: center;
}
[data-theme="dark"] .floating-name-card {
	background: rgba(30, 30, 30, 0.95);
}
.floating-name-card h4 {
	color: var(--primary);
	margin-bottom: 5px;
}
.floating-name-card span {
	font-size: 0.85rem;
	font-weight: 600;
	color: var(--text-muted);
}

/* --- SERVICES --- */
.two-col-grid {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
	gap: 30px;
}
.service-card {
	background: var(--bg-body);
	padding: 40px;
	border-radius: var(--radius);
	box-shadow: var(--shadow);
	transition: 0.3s;
	border: 1px solid var(--border);
}
.service-card:hover {
	transform: translateY(-5px);
	border-color: var(--primary);
}
.icon-box {
	width: 60px;
	height: 60px;
	background: rgba(0, 86, 179, 0.1);
	border-radius: 10px;
	display: flex;
	align-items: center;
	justify-content: center;
	color: var(--primary);
	font-size: 1.5rem;
	margin-bottom: 25px;
	transition: 0.3s;
}
.service-card:hover .icon-box {
	background: var(--primary);
	color: #fff;
}
.service-card h3 {
	margin-bottom: 20px;
	font-size: 1.5rem;
	color: var(--text-main);
}
.service-card ul {
	margin-top: 20px;
	border-top: 1px solid var(--border);
	padding-top: 20px;
}
.service-card li {
	font-size: 1rem;
	color: var(--text-muted);
	margin-bottom: 12px;
	position: relative;
	padding-left: 20px;
}
.service-card li::before {
	content: "•";
	color: var(--primary);
	position: absolute;
	left: 0;
	font-weight: bold;
	font-size: 1.2rem;
	line-height: 1.5rem;
}

/* --- COURSE PORTFOLIO (TABLE) --- */
.course-table-wrapper {
	overflow-x: auto;
	background: var(--bg-body);
	border-radius: var(--radius);
	box-shadow: var(--shadow);
}
.course-table {
	width: 100%;
	border-collapse: collapse;
	min-width: 600px;
}
.course-table th,
.course-table td {
	padding: 20px;
	text-align: left;
	border-bottom: 1px solid var(--border);
	vertical-align: top;
}
.course-table th {
	background: var(--primary);
	color: #fff;
	font-weight: 600;
	text-transform: uppercase;
	font-size: 0.9rem;
	letter-spacing: 1px;
}
.category-cell {
	width: 30%;
	background: var(--bg-section);
	color: var(--primary);
}
.table-list li {
	margin-bottom: 8px;
	list-style-type: disc;
	margin-left: 18px;
	color: var(--text-main);
}
.course-table tr:last-child td {
	border-bottom: none;
}

/* --- WHY CHOOSE US --- */
.process-steps {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
	gap: 20px;
}
.step {
	position: relative;
	padding: 20px;
	text-align: center;
}
.step-number {
	font-size: 4rem;
	font-weight: 900;
	color: rgba(0, 0, 0, 0.05);
	position: absolute;
	top: -10px;
	left: 50%;
	transform: translateX(-50%);
	z-index: 0;
}
[data-theme="dark"] .step-number {
	color: rgba(255, 255, 255, 0.05);
}
.step h3 {
	margin-bottom: 10px;
	font-size: 1.2rem;
	color: var(--primary);
	position: relative;
	z-index: 1;
}
.step p {
	position: relative;
	z-index: 1;
	font-size: 0.95rem;
}

.contact-section {
	background: linear-gradient(rgba(15, 23, 42, 0.9), rgba(15, 23, 42, 0.95));
	background-size: cover;
	background-attachment: fixed;
	color: #fff;
	text-align: center;
	padding-bottom: 100px;
}

.contact-box {
	max-width: 1000px;
	margin: 0 auto;
}

.contact-box h2 {
	font-size: 2.8rem;
	margin-bottom: 15px;
	font-weight: 800;
}

.contact-box .subtitle {
	font-size: 1.1rem;
	opacity: 0.9;
	max-width: 700px;
	margin: 0 auto 10px auto;
	font-weight: 300;
}

.contact-cards {
	display: flex;
	justify-content: center;
	gap: 30px;
	margin-top: 60px;
	flex-wrap: wrap;
}

.c-card {
	background: #ffffff;
	border-radius: 12px;
	box-shadow: 0 15px 35px rgba(0, 0, 0, 0.2);
	padding: 40px 30px;

	flex: 1;
	min-width: 280px;
	max-width: 350px;

	transform: translateY(0);
	transition: all 0.3s ease;
	border-bottom: 4px solid var(--secondary);

	display: flex;
	flex-direction: column;
	align-items: center;
	justify-content: center;
}

/* Hover Effect: Lift Up */
.c-card:hover {
	transform: translateY(-10px);
	box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

/* --- CARD CONTENT --- */
.c-card i {
	font-size: 2.5rem;
	color: var(--primary);
	margin-bottom: 20px;
	display: inline-block;
}

.c-card h4 {
	font-size: 1.2rem;
	font-weight: 800;
	color: var(--dark);
	margin-bottom: 10px;
	text-transform: uppercase;
	letter-spacing: 1px;
}

.c-card p,
.c-card a {
	color: #555;
	font-size: 1.05rem;
	font-weight: 500;
	text-decoration: none;
}

.c-card a:hover {
	color: var(--primary);
}

/* --- SOCIAL LINKS --- */
.social-links {
	margin-top: 60px;
	display: flex;
	justify-content: center;
	gap: 30px;
}

.social-links a {
	width: 70px;
	height: 70px;
	border-radius: 50%;
	background: rgba(255, 255, 255, 0.1);
	border: 2px solid rgba(255, 255, 255, 0.3);
	display: flex;
	align-items: center;
	justify-content: center;
	color: #fff;
	font-size: 2.2rem;
	transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

/* Specific Brand Colors on Hover */
.social-links a.facebook:hover {
	background: #1877f2;
	border-color: #1877f2;
	transform: scale(1.2);
	box-shadow: 0 0 25px rgba(24, 119, 242, 0.6);
}

.social-links a.whatsapp:hover {
	background: #25d366;
	border-color: #25d366;
	transform: scale(1.2);
	box-shadow: 0 0 25px rgba(37, 211, 102, 0.6);
}

/* Dark Mode Overrides for the White Cards */
[data-theme="dark"] .c-card {
	background: #2a2a2a;
	border-bottom: 4px solid var(--secondary);
}
[data-theme="dark"] .c-card h4 {
	color: #fff;
}
[data-theme="dark"] .c-card p,
[data-theme="dark"] .c-card a {
	color: #ccc;
}

/* --- FOOTER --- */
footer {
	background: #111;
	color: #888;
	padding: 40px 0;
	border-top: 1px solid #222;
}
.footer-content {
	text-align: center;
}

/* --- MOBILE RESPONSIVE --- */
@media (max-width: 992px) {
	.split-layout {
		grid-template-columns: 1fr;
		gap: 40px;
	}
	.trainer-layout .split-image {
		order: -1;
	}
	.floating-name-card {
		position: relative;
		bottom: 0;
		left: 0;
		right: 0;
		margin-top: -30px;
		width: 90%;
		margin-left: auto;
		margin-right: auto;
	}
	.hero h1 {
		font-size: 2.2rem;
	}
}

@media (max-width: 768px) {
	.nav-links {
		position: absolute;
		top: var(--nav-height);
		left: 0;
		width: 100%;
		background: var(--bg-body);
		color: var(--text-main);
		flex-direction: column;
		padding: 20px;
		box-shadow: var(--shadow);
		transform: translateY(-150%);
		transition: 0.3s;
		z-index: -1;
	}
	.nav-links.active {
		transform: translateY(0);
	}
	.mobile-toggle {
		display: block;
	}
	.nav-right {
		gap: 15px;
	}
	.c-card {
		flex: 0 0 100%;
		height: auto;
		padding: 30px;
	}
	.two-col-grid {
		grid-template-columns: 1fr;
	}
	.course-table th,
	.course-table td {
		padding: 15px;
		font-size: 0.9rem;
	}
}