:root {
	--ink: #16181b;
	--muted: #62686d;
	--line: #e7e9eb;
	--bg-alt: #f6f7f8;
	--brand: #ff6a3d;
	--brand-dark: #e0552b;
	--as: #13aff0;
	--gr: #ff90e8;
	--cg: #2ecc71;
	--ud: #a435f0;
	--radius: 14px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 84px; }
body {
	margin: 0;
	font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
	color: var(--ink);
	background: #fff;
	-webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; }

/* ---- header ---- */
.site-header {
	position: sticky;
	top: 0;
	z-index: 999;
	background: rgba(255, 255, 255, 0.92);
	backdrop-filter: blur(8px);
	border-bottom: 1px solid var(--line);
}
.header-inner {
	max-width: 1180px;
	margin: 0 auto;
	padding: 16px 24px;
	display: flex;
	align-items: center;
	justify-content: space-between;
}
.brand {
	font-size: 20px;
	font-weight: 800;
	text-decoration: none;
	letter-spacing: -0.02em;
}
.brand span { color: var(--brand); }
.main-nav { display: flex; gap: 6px; }
.main-nav a {
	text-decoration: none;
	font-weight: 600;
	font-size: 14.5px;
	color: var(--ink);
	padding: 9px 14px;
	border-radius: 8px;
	transition: background-color 0.15s ease, color 0.15s ease;
}
.main-nav a:hover { background: var(--bg-alt); color: var(--brand-dark); }
.nav-toggle {
	display: none;
	flex-direction: column;
	justify-content: center;
	gap: 5px;
	width: 40px;
	height: 40px;
	border: 1px solid var(--line);
	border-radius: 9px;
	background: #fff;
	cursor: pointer;
}
.nav-toggle span {
	display: block;
	width: 18px;
	height: 2px;
	margin: 0 auto;
	background: var(--ink);
	transition: transform 0.2s ease, opacity 0.2s ease;
}
.nav-toggle.is-active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.is-active span:nth-child(2) { opacity: 0; }
.nav-toggle.is-active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
.mobile-nav {
	display: none;
	flex-direction: column;
	border-top: 1px solid var(--line);
	background: #fff;
}
.mobile-nav.is-open { display: flex; }
.mobile-nav a {
	padding: 16px 24px;
	text-decoration: none;
	font-weight: 600;
	color: var(--ink);
	border-bottom: 1px solid var(--line);
}
@media (max-width: 760px) {
	.main-nav { display: none; }
	.nav-toggle { display: flex; }
}

/* ---- hero ---- */
.hero {
	background: linear-gradient(180deg, #fff 0%, var(--bg-alt) 100%);
	padding: 76px 24px 56px;
	text-align: center;
}
.hero-inner { max-width: 720px; margin: 0 auto; }
.eyebrow {
	text-transform: uppercase;
	letter-spacing: 0.08em;
	font-size: 12.5px;
	font-weight: 700;
	color: var(--brand-dark);
	margin: 0 0 10px;
}
.hero h1 {
	font-size: clamp(32px, 5vw, 48px);
	line-height: 1.12;
	margin: 0 0 16px;
	letter-spacing: -0.02em;
}
.lede { font-size: 17px; color: var(--muted); line-height: 1.6; margin: 0 auto 30px; max-width: 56ch; }
.hero-links { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }

.btn {
	display: inline-flex;
	align-items: center;
	gap: 6px;
	text-decoration: none;
	font-weight: 700;
	font-size: 15px;
	padding: 13px 24px;
	border-radius: 30px;
	transition: transform 0.15s ease, background-color 0.15s ease, border-color 0.15s ease;
	white-space: nowrap;
}
.btn-primary { background: var(--brand); color: #fff; }
.btn-primary:hover { background: var(--brand-dark); transform: translateY(-1px); }
.btn-outline { background: #fff; color: var(--ink); border: 1.5px solid var(--line); }
.btn-outline:hover { border-color: var(--brand); color: var(--brand-dark); transform: translateY(-1px); }
.btn-sm { padding: 9px 18px; font-size: 13.5px; }

/* ---- platform strip ---- */
.platform-strip {
	max-width: 1180px;
	margin: -30px auto 0;
	padding: 0 24px 48px;
	display: grid;
	grid-template-columns: repeat(4, 1fr);
	gap: 14px;
	position: relative;
}
.platform-chip {
	display: flex;
	align-items: center;
	gap: 12px;
	background: #fff;
	border: 1px solid var(--line);
	border-radius: var(--radius);
	padding: 16px 18px;
	text-decoration: none;
	color: var(--ink);
	font-weight: 700;
	font-size: 14.5px;
	box-shadow: 0 6px 20px rgba(20, 20, 20, 0.05);
	transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.platform-chip:hover { transform: translateY(-2px); box-shadow: 0 10px 26px rgba(20, 20, 20, 0.09); }
.chip-icon {
	flex: none;
	width: 34px;
	height: 34px;
	border-radius: 9px;
	display: flex;
	align-items: center;
	justify-content: center;
	color: #fff;
	font-weight: 800;
	font-size: 15px;
}
.chip-artstation { background: var(--as); }
.chip-gumroad { background: var(--gr); color: #4a1436; }
.chip-cgtrader { background: var(--cg); }
.chip-udemy { background: var(--ud); }
@media (max-width: 820px) {
	.platform-strip { grid-template-columns: repeat(2, 1fr); }
}

/* ---- embed sections ---- */
.embed-section { padding: 60px 24px; max-width: 1180px; margin: 0 auto; }
.embed-section.alt { background: var(--bg-alt); max-width: none; }
.embed-section.alt > * { max-width: 1180px; margin-left: auto; margin-right: auto; }
.section-head {
	display: flex;
	align-items: flex-end;
	justify-content: space-between;
	gap: 20px;
	margin-bottom: 26px;
	flex-wrap: wrap;
}
.section-head h2 { font-size: 26px; margin: 0; letter-spacing: -0.01em; }
.embed-frame {
	border: 1px solid var(--line);
	border-radius: var(--radius);
	overflow: hidden;
	box-shadow: 0 10px 30px rgba(20, 20, 20, 0.06);
}
.embed-frame iframe {
	width: 100%;
	height: 800px;
	border: 0;
	display: block;
}

/* ---- CGTrader link card ---- */
.link-section { padding: 20px 24px 60px; max-width: 1180px; margin: 0 auto; }
.link-card {
	display: flex;
	align-items: center;
	gap: 24px;
	background: linear-gradient(135deg, #eafaf1 0%, #fff 60%);
	border: 1px solid var(--line);
	border-radius: 20px;
	padding: 32px;
	flex-wrap: wrap;
}
.link-card-icon {
	width: 56px;
	height: 56px;
	border-radius: 16px;
	display: flex;
	align-items: center;
	justify-content: center;
	color: #fff;
	font-weight: 800;
	font-size: 24px;
	flex: none;
}
.link-card-body { flex: 1; min-width: 220px; }
.link-card-body h2 { margin: 4px 0 6px; font-size: 22px; }
.link-card-body p { margin: 0; color: var(--muted); font-size: 15px; }

/* ---- courses ---- */
.courses-section { padding: 60px 24px; max-width: 1180px; margin: 0 auto; }
.course-grid {
	display: grid;
	grid-template-columns: repeat(3, 1fr);
	gap: 16px;
}
.course-card {
	display: block;
	text-decoration: none;
	color: var(--ink);
	background: #fff;
	border: 1px solid var(--line);
	border-radius: var(--radius);
	padding: 22px;
	transition: transform 0.15s ease, box-shadow 0.15s ease, border-color 0.15s ease;
}
.course-card:hover {
	transform: translateY(-2px);
	box-shadow: 0 10px 26px rgba(20, 20, 20, 0.08);
	border-color: var(--ud);
}
.course-card h3 { margin: 0 0 12px; font-size: 15.5px; line-height: 1.4; }
.course-tag {
	display: inline-block;
	font-size: 12px;
	font-weight: 700;
	color: var(--ud);
	background: rgba(164, 53, 240, 0.09);
	padding: 5px 10px;
	border-radius: 20px;
}
@media (max-width: 900px) {
	.course-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 600px) {
	.course-grid { grid-template-columns: 1fr; }
}

/* ---- contact ---- */
.contact-section {
	text-align: center;
	padding: 70px 24px;
	background: var(--ink);
	color: #fff;
}
.contact-section h2 { margin: 0 0 10px; font-size: 28px; }
.contact-section p { margin: 0 0 26px; color: #b7bcc1; }

/* ---- footer ---- */
.site-footer { text-align: center; padding: 22px; font-size: 13px; color: var(--muted); }