/* ==================================================================
   GastroScope – GI Endoscopy Workshop · Public design system
   Deep-ocean 3D glassmorphism · Share In Agency
   ================================================================== */

:root {
	--bg-0: #02090e;
	--bg-1: #04202b;
	--bg-2: #062e3c;
	--ink: #ecf9fb;
	--ink-dim: #a8cdd5;
	--muted: #7fa9b2;
	--aqua: #4fd8e6;
	--aqua-2: #8ceaf4;
	--aqua-deep: #0f7f92;
	--coral: #f2695c;
	--coral-2: #ff8d81;
	--gold: #ffd9a0;
	--glass: rgba(11, 44, 56, 0.42);
	--glass-2: rgba(8, 33, 43, 0.6);
	--brd: rgba(130, 226, 238, 0.16);
	--brd-hi: rgba(140, 234, 244, 0.45);
	--hi: rgba(255, 255, 255, 0.09);
	--r-lg: 28px;
	--r-md: 20px;
	--r-sm: 14px;
	--shadow: 0 30px 70px -30px rgba(0, 0, 0, 0.65);
	--font-d: 'Sora', system-ui, sans-serif;
	--font-b: 'Manrope', system-ui, sans-serif;
	--ease: cubic-bezier(0.22, 1, 0.36, 1);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
	font-family: var(--font-b);
	color: var(--ink);
	background: var(--bg-0);
	min-height: 100vh;
	-webkit-font-smoothing: antialiased;
	overflow-x: hidden;
}
img { max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
::selection { background: rgba(79, 216, 230, 0.35); color: #fff; }

.skip {
	position: absolute; left: -9999px; top: 0; z-index: 200;
	background: var(--aqua); color: #02222b; font-weight: 800;
	padding: 10px 18px; border-radius: 0 0 12px 0;
}
.skip:focus { left: 0; }

/* ---------------- ambient background ---------------- */
.ambient { position: fixed; inset: 0; z-index: -2; overflow: hidden; pointer-events: none; }
.ambient::before {
	content: ''; position: absolute; inset: 0;
	background:
		linear-gradient(180deg, rgba(2, 9, 14, 0.55), rgba(2, 9, 14, 0.2) 30%, rgba(2, 9, 14, 0.75)),
		url('img/ocean-bg.webp') center / cover no-repeat;
	filter: saturate(1.05);
}
.ambient::after {
	content: ''; position: absolute; inset: 0;
	background:
		radial-gradient(1000px 640px at 82% -12%, rgba(79, 216, 230, 0.16), transparent 60%),
		radial-gradient(900px 600px at -12% 40%, rgba(15, 127, 146, 0.18), transparent 55%),
		radial-gradient(760px 560px at 60% 118%, rgba(242, 105, 92, 0.1), transparent 60%);
}
.orb { position: absolute; border-radius: 50%; filter: blur(55px); opacity: 0.5; will-change: transform; }
.orb-a { width: 420px; height: 420px; top: -120px; left: -100px; background: radial-gradient(circle at 35% 35%, rgba(79, 216, 230, 0.5), transparent 70%); animation: drift 26s ease-in-out infinite alternate; }
.orb-b { width: 380px; height: 380px; bottom: 8%; right: -120px; background: radial-gradient(circle at 60% 40%, rgba(15, 127, 146, 0.55), transparent 70%); animation: drift 32s ease-in-out infinite alternate-reverse; }
.orb-c { width: 300px; height: 300px; top: 42%; left: 34%; background: radial-gradient(circle at 50% 50%, rgba(242, 105, 92, 0.28), transparent 70%); animation: drift 38s ease-in-out infinite alternate; }
@keyframes drift {
	from { transform: translate3d(0, 0, 0) scale(1); }
	to   { transform: translate3d(60px, 46px, 0) scale(1.12); }
}
.grid-floor {
	position: absolute; inset: auto 0 0 0; height: 44vh;
	background:
		linear-gradient(transparent 0, rgba(79, 216, 230, 0.05) 100%),
		repeating-linear-gradient(90deg, rgba(130, 226, 238, 0.05) 0 1px, transparent 1px 90px),
		repeating-linear-gradient(0deg, rgba(130, 226, 238, 0.05) 0 1px, transparent 1px 90px);
	transform: perspective(700px) rotateX(58deg) scale(1.6);
	transform-origin: 50% 100%;
	mask-image: linear-gradient(transparent, #000 40%);
	-webkit-mask-image: linear-gradient(transparent, #000 40%);
}

/* ---------------- glass panel ---------------- */
.glass {
	background: linear-gradient(120deg, rgba(10, 40, 51, 0.55), rgba(6, 26, 34, 0.45));
	border: 1px solid var(--brd);
	box-shadow: var(--shadow), inset 0 1px 0 var(--hi);
	backdrop-filter: blur(14px) saturate(1.25);
	-webkit-backdrop-filter: blur(14px) saturate(1.25);
}

/* ---------------- glass nav ---------------- */
.glass-nav {
	position: fixed; top: 14px; left: 0; right: 0; z-index: 100;
	padding: 0 22px;
	transition: top 0.35s var(--ease);
}
.glass-nav .nav-inner {
	max-width: 1180px; margin: 0 auto;
	display: flex; align-items: center; gap: 22px;
	padding: 10px 14px 10px 18px;
	border-radius: 999px;
	background: linear-gradient(120deg, rgba(10, 40, 51, 0.62), rgba(6, 26, 34, 0.55));
	border: 1px solid var(--brd);
	box-shadow: 0 18px 44px -18px rgba(0, 0, 0, 0.6), inset 0 1px 0 var(--hi);
	backdrop-filter: blur(22px) saturate(1.3);
	-webkit-backdrop-filter: blur(22px) saturate(1.3);
}
.glass-nav.scrolled .nav-inner {
	background: linear-gradient(120deg, rgba(8, 32, 42, 0.85), rgba(4, 18, 24, 0.8));
	box-shadow: 0 22px 50px -18px rgba(0, 0, 0, 0.75), inset 0 1px 0 var(--hi);
}
.brand { display: inline-flex; align-items: center; flex: 0 0 auto; }
.brand img { height: 46px; width: auto; display: block; }
.glass-nav nav { display: flex; gap: 4px; margin-left: auto; }
.glass-nav nav a {
	position: relative;
	font: 600 14px/1 var(--font-b);
	letter-spacing: 0.02em;
	color: var(--ink-dim);
	padding: 12px 18px;
	border-radius: 999px;
	transition: color 0.25s, background 0.25s, transform 0.25s;
}
.glass-nav nav a:hover { color: #fff; background: var(--hi); transform: translateY(-1px); }
.glass-nav nav a[aria-current="page"] { color: #02222b; background: linear-gradient(135deg, var(--aqua-2), var(--aqua)); font-weight: 800; box-shadow: 0 8px 22px -8px rgba(79, 216, 230, 0.65); }
.nav-cta { display: flex; align-items: center; gap: 10px; flex: 0 0 auto; }
.nav-burger {
	display: none; width: 44px; height: 44px; border-radius: 50%;
	border: 1px solid var(--brd); background: var(--hi);
	cursor: pointer; position: relative;
}
.nav-burger span {
	position: absolute; left: 12px; right: 12px; height: 2px; border-radius: 2px;
	background: var(--ink); transition: transform 0.3s var(--ease), opacity 0.3s;
}
.nav-burger span:nth-child(1) { top: 15px; }
.nav-burger span:nth-child(2) { top: 21px; }
.nav-burger span:nth-child(3) { top: 27px; }
.nav-burger.open span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.nav-burger.open span:nth-child(2) { opacity: 0; }
.nav-burger.open span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

/* ---------------- buttons ---------------- */
.btn {
	display: inline-flex; align-items: center; justify-content: center; gap: 10px;
	font: 700 15px/1 var(--font-b);
	letter-spacing: 0.01em;
	padding: 15px 28px;
	border-radius: 999px;
	border: 1px solid var(--brd);
	background: var(--glass-2);
	color: var(--ink);
	cursor: pointer;
	position: relative;
	transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease), background 0.3s, border-color 0.3s;
}
.btn:hover { transform: translateY(-3px); }
.btn:active { transform: translateY(-1px); }
.btn:disabled { opacity: 0.6; cursor: wait; transform: none; }
.btn-primary {
	background: linear-gradient(135deg, #35dbe9 0%, #1490a3 100%);
	border-color: transparent;
	color: #032730;
	font-weight: 800;
	box-shadow: 0 16px 38px -14px rgba(53, 219, 233, 0.65), inset 0 1px 0 rgba(255, 255, 255, 0.4);
}
.btn-primary:hover { box-shadow: 0 22px 48px -14px rgba(53, 219, 233, 0.8), inset 0 1px 0 rgba(255, 255, 255, 0.4); }
.btn-glow::before {
	content: ''; position: absolute; inset: -2px; border-radius: inherit; z-index: -1;
	background: linear-gradient(135deg, rgba(53, 219, 233, 0.7), rgba(242, 105, 92, 0.5));
	filter: blur(14px); opacity: 0.55;
	transition: opacity 0.3s;
}
.btn-glow:hover::before { opacity: 0.95; }
.btn-ghost { background: rgba(255, 255, 255, 0.04); backdrop-filter: blur(8px); }
.btn-ghost:hover { background: rgba(255, 255, 255, 0.09); border-color: var(--brd-hi); }
.btn-lg { padding: 18px 36px; font-size: 16px; }
.btn.small { padding: 11px 20px; font-size: 13.5px; }
.text-link {
	display: inline-block; margin-top: 14px;
	color: var(--aqua-2); font-weight: 700; font-size: 14.5px;
	border-bottom: 1px solid transparent;
	transition: border-color 0.2s, color 0.2s;
}
.text-link:hover { color: #fff; border-color: var(--aqua-2); }

.eyebrow {
	display: inline-flex; align-items: center; gap: 12px;
	font: 700 11.5px/1 var(--font-b);
	letter-spacing: 0.28em;
	text-transform: uppercase;
	color: var(--aqua);
}
.eyebrow i { width: 34px; height: 1px; background: linear-gradient(90deg, transparent, var(--aqua)); display: inline-block; }
.muted { color: var(--muted); }

/* ---------------- hero ---------------- */
.hero { position: relative; min-height: 100svh; display: flex; align-items: center; padding: 140px 22px 80px; }
.hero-inner {
	max-width: 1180px; margin: 0 auto; width: 100%;
	display: grid; grid-template-columns: 1.08fr 0.92fr; gap: 40px; align-items: center;
}
.uni-logos {
	display: flex; justify-content: flex-start; align-items: center;
	margin-bottom: 26px;
	padding: 14px 22px;
	width: fit-content; max-width: 100%;
	border-radius: 18px;
	background: rgba(255, 255, 255, 0.05);
	border: 1px solid var(--brd);
	backdrop-filter: blur(14px);
	-webkit-backdrop-filter: blur(14px);
}
.uni-logos img { height: 62px; width: auto; display: block; }
.hero-eyebrow { margin-bottom: 18px; }
.hero-title { display: flex; flex-direction: column; gap: 10px; align-items: flex-start; }
.hero-title .t-wordmark { width: min(560px, 92%); filter: drop-shadow(0 14px 34px rgba(79, 216, 230, 0.35)); }
.t-divider { width: min(420px, 80%); height: 2px; background: linear-gradient(90deg, var(--aqua), transparent); border-radius: 2px; }
.hero-title .t-sub { width: min(430px, 78%); }
.hero-tagline { width: min(470px, 84%); margin: 18px 0 6px; }
.hero-intro {
	max-width: 560px; margin-top: 18px;
	color: var(--ink-dim);
	font-size: 17px; line-height: 1.75;
}
.hero-actions { display: flex; gap: 14px; margin-top: 30px; flex-wrap: wrap; }
.hero-meta { display: flex; gap: 14px; margin-top: 34px; flex-wrap: wrap; }
.meta-chip {
	display: flex; align-items: center; gap: 14px;
	padding: 13px 20px 13px 13px;
	border-radius: 18px;
}
.meta-chip img { height: 46px; width: auto; border-radius: 10px; }
.meta-chip span { display: block; font-size: 10.5px; letter-spacing: 0.22em; color: var(--aqua); font-weight: 800; }
.meta-chip b { font-size: 14px; line-height: 1.4; }

/* hero art */
.hero-art { position: relative; height: min(72vh, 660px); min-height: 460px; }
.art-glow {
	position: absolute; inset: 8% 4%;
	background: radial-gradient(circle at 50% 45%, rgba(79, 216, 230, 0.28), transparent 62%);
	filter: blur(30px);
	animation: pulse 7s ease-in-out infinite alternate;
}
@keyframes pulse { from { opacity: 0.65; transform: scale(0.96); } to { opacity: 1; transform: scale(1.05); } }
.art-ring {
	position: absolute; inset: 10%;
	border-radius: 50%;
	border: 1px solid rgba(130, 226, 238, 0.18);
	box-shadow: 0 0 80px rgba(79, 216, 230, 0.12) inset, 0 0 60px rgba(79, 216, 230, 0.1);
	transform: rotateX(64deg);
	mask-image: linear-gradient(transparent 55%, #000);
	-webkit-mask-image: linear-gradient(transparent 55%, #000);
	animation: ring-spin 24s linear infinite;
}
@keyframes ring-spin { from { transform: rotateX(64deg) rotate(0deg); } to { transform: rotateX(64deg) rotate(360deg); } }
.gi-float {
	position: absolute; inset: 0;
	display: grid; place-items: center;
	mix-blend-mode: screen;
	transform-style: preserve-3d;
	will-change: transform;
}
.gi-float img {
	width: min(120%, 560px);
	filter: drop-shadow(0 40px 70px rgba(0, 0, 0, 0.55));
	animation: float 7s ease-in-out infinite;
}
@keyframes float { 0%, 100% { transform: translateY(-10px) rotate(-1deg); } 50% { transform: translateY(14px) rotate(1.2deg); } }
.free-float {
	position: absolute; right: 4%; bottom: 12%;
	width: 132px; mix-blend-mode: screen;
	animation: float 6s 0.8s ease-in-out infinite;
	filter: drop-shadow(0 18px 34px rgba(242, 105, 92, 0.4));
}
.floating-card {
	position: absolute; left: 0; bottom: 6%; z-index: 5;
	padding: 16px 20px;
	border-radius: 18px;
	background: linear-gradient(120deg, rgba(8, 33, 43, 0.78), rgba(4, 18, 24, 0.72));
	animation: float 8s 0.4s ease-in-out infinite;
}
.floating-card span { display: block; font-size: 10px; letter-spacing: 0.24em; color: var(--aqua); font-weight: 800; }
.floating-card b { display: block; font-family: var(--font-d); font-size: 17px; margin: 4px 0; }
.floating-card small { color: var(--muted); font-weight: 700; letter-spacing: 0.08em; }
.scroll-cue {
	position: absolute; bottom: 26px; left: 50%; transform: translateX(-50%);
	width: 26px; height: 44px; border-radius: 999px;
	border: 1.5px solid rgba(130, 226, 238, 0.35);
}
.scroll-cue span {
	position: absolute; left: 50%; top: 8px; width: 4px; height: 8px;
	border-radius: 4px; background: var(--aqua);
	transform: translateX(-50%);
	animation: cue 1.8s ease-in-out infinite;
}
@keyframes cue { 0% { transform: translate(-50%, 0); opacity: 1; } 70% { transform: translate(-50%, 16px); opacity: 0; } 100% { opacity: 0; } }

/* ---------------- generic sections ---------------- */
section { position: relative; }
.strip { padding: 0 22px 30px; }
.strip-inner {
	max-width: 1080px; margin: 0 auto;
	display: flex; align-items: center; justify-content: space-between; gap: 18px;
	padding: 22px 34px;
	border-radius: 999px;
	flex-wrap: wrap;
}
.strip-item { display: grid; gap: 2px; }
.strip-item b { font-family: var(--font-d); font-size: 20px; color: var(--aqua-2); }
.strip-item span { font-size: 13px; color: var(--ink-dim); font-weight: 600; }
.strip-sep { width: 1px; height: 34px; background: linear-gradient(transparent, var(--brd-hi), transparent); }

.section-heading { text-align: center; margin-bottom: 54px; }
.section-heading .eyebrow { justify-content: center; }
.section-heading h2 {
	font: 300 clamp(30px, 4.6vw, 52px) / 1.12 var(--font-d);
	letter-spacing: -0.01em;
	margin-top: 16px;
}
.section-heading h2 em { font-style: normal; font-weight: 700; background: linear-gradient(100deg, var(--aqua-2) 10%, var(--aqua) 60%, #b7f6ff); -webkit-background-clip: text; background-clip: text; color: transparent; }

/* details */
.details { max-width: 1180px; margin: 0 auto; padding: 90px 22px 40px; }
.details-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.detail-card {
	position: relative; overflow: hidden;
	padding: 40px 38px 34px;
	border-radius: var(--r-lg);
	transition: transform 0.45s var(--ease), border-color 0.3s, box-shadow 0.45s;
	transform-style: preserve-3d;
}
.detail-card:hover { border-color: var(--brd-hi); box-shadow: 0 40px 90px -34px rgba(0, 0, 0, 0.75), 0 0 0 1px rgba(79, 216, 230, 0.12), inset 0 1px 0 var(--hi); }
.detail-glow {
	position: absolute; top: -60px; right: -60px; width: 240px; height: 240px;
	background: radial-gradient(circle, rgba(79, 216, 230, 0.22), transparent 65%);
	filter: blur(8px);
}
.detail-glow.alt { background: radial-gradient(circle, rgba(242, 105, 92, 0.2), transparent 65%); }
.detail-num {
	position: absolute; top: 26px; right: 30px;
	font: 800 54px/1 var(--font-d);
	color: transparent;
	-webkit-text-stroke: 1px rgba(140, 234, 244, 0.3);
}
.detail-title { width: min(400px, 92%); margin: 26px 0 18px; }
.detail-card p { color: var(--ink-dim); line-height: 1.8; font-size: 15.5px; }
.detail-list { list-style: none; margin-top: 22px; display: grid; gap: 12px; }
.detail-list li {
	position: relative; padding-left: 30px;
	font-weight: 600; font-size: 14.5px; color: #cfeef4;
}
.detail-list li::before {
	content: '✦'; position: absolute; left: 2px; top: 0;
	color: var(--aqua); font-size: 13px;
}
.dept-band {
	margin-top: 26px; padding: 26px 34px;
	display: flex; justify-content: center; align-items: center;
	border-radius: var(--r-lg);
}
.dept-band img { width: min(620px, 90%); }

/* poster */
.poster {
	max-width: 1180px; margin: 0 auto; padding: 90px 22px;
	display: grid; grid-template-columns: 0.95fr 1.05fr; gap: 56px; align-items: center;
}
.poster-wrap { position: relative; perspective: 1200px; }
.poster-frame {
	border-radius: var(--r-lg); overflow: hidden;
	transform-style: preserve-3d;
	transition: transform 0.5s var(--ease), box-shadow 0.5s;
	box-shadow: 0 50px 110px -40px rgba(0, 0, 0, 0.8);
}
.poster-frame img { display: block; width: 100%; }
.poster-badge {
	position: absolute; top: -20px; right: -18px;
	padding: 16px 22px; border-radius: 20px; text-align: center;
	animation: float 5.5s ease-in-out infinite;
}
.poster-badge b { display: block; font: 800 26px/1 var(--font-d); color: var(--coral-2); }
.poster-badge span { font-size: 11px; letter-spacing: 0.2em; text-transform: uppercase; color: var(--ink-dim); font-weight: 700; }
.poster-copy h2 { font: 300 clamp(28px, 4vw, 46px)/1.14 var(--font-d); margin: 16px 0 18px; }
.poster-copy h2 em { font-style: normal; font-weight: 700; background: linear-gradient(100deg, var(--aqua-2), var(--aqua)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.poster-copy p { color: var(--ink-dim); line-height: 1.8; max-width: 480px; }
.poster-facts { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-top: 30px; }
.fact { padding: 18px 20px; border-radius: var(--r-sm); display: grid; gap: 4px; }
.fact b { font-family: var(--font-d); font-size: 15px; }
.fact span { font-size: 11px; letter-spacing: 0.18em; text-transform: uppercase; color: var(--muted); font-weight: 700; }

/* paths */
.paths { max-width: 1180px; margin: 0 auto; padding: 40px 22px 110px; }
.path-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.path-card {
	position: relative; overflow: hidden;
	padding: 38px 34px 30px;
	border-radius: var(--r-lg);
	transition: transform 0.45s var(--ease), border-color 0.3s;
	display: block;
}
.path-card:hover { border-color: var(--brd-hi); }
.path-number { font-size: 11px; letter-spacing: 0.26em; color: var(--muted); font-weight: 800; }
.path-icon {
	width: 58px; height: 58px; margin: 22px 0 18px;
	display: grid; place-items: center;
	font-size: 22px; color: #032730;
	border-radius: 18px;
	background: linear-gradient(135deg, var(--aqua-2), var(--aqua-deep));
	box-shadow: 0 14px 30px -10px rgba(79, 216, 230, 0.55);
	transition: transform 0.4s var(--ease);
}
.path-card:hover .path-icon { transform: translate3d(6px, -6px, 30px) rotate(-6deg); }
.path-card h3 { font: 700 22px/1.2 var(--font-d); margin-bottom: 10px; }
.path-card p { color: var(--ink-dim); font-size: 15px; line-height: 1.75; }
.path-link { display: inline-block; margin-top: 22px; color: var(--aqua-2); font-weight: 800; font-size: 14.5px; }
.path-card::after {
	content: ''; position: absolute; inset: 0; z-index: -1;
	background: radial-gradient(420px 200px at 20% 0%, rgba(79, 216, 230, 0.1), transparent);
	opacity: 0; transition: opacity 0.4s;
}
.path-card:hover::after { opacity: 1; }

/* ---------------- flow pages (register / certificate) ---------------- */
.flow-shell {
	max-width: 1180px; margin: 0 auto;
	padding: 150px 22px 90px;
	display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 56px;
	align-items: start;
	min-height: 80vh;
}
.flow-center { display: block; padding-top: 170px; }
.flow-center .flow-content { max-width: 640px; margin: 0 auto; }
.flow-aside { position: sticky; top: 120px; }
.flow-aside h1 { font: 300 clamp(34px, 4.6vw, 54px)/1.1 var(--font-d); margin: 18px 0; }
.flow-aside h1 em { font-style: normal; font-weight: 700; background: linear-gradient(100deg, var(--aqua-2), var(--aqua)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.flow-aside > p { color: var(--ink-dim); font-size: 16px; line-height: 1.8; margin-bottom: 28px; }
.steps { list-style: none; display: grid; gap: 16px; margin-bottom: 30px; counter-reset: step; }
.steps li { display: flex; align-items: center; gap: 16px; opacity: 0.45; transition: opacity 0.3s; }
.steps li.current { opacity: 1; }
.steps b {
	width: 44px; height: 44px; border-radius: 50%;
	display: grid; place-items: center;
	font: 700 14px var(--font-d);
	border: 1px solid var(--brd);
	background: var(--glass);
	flex: 0 0 auto;
}
.steps li.current b { background: linear-gradient(135deg, var(--aqua-2), var(--aqua)); color: #032730; border-color: transparent; box-shadow: 0 10px 24px -8px rgba(79, 216, 230, 0.6); }
.steps span { font-weight: 600; font-size: 15px; }
.aside-note { display: flex; gap: 14px; padding: 18px 20px; border-radius: var(--r-md); }
.aside-note span { font-size: 18px; color: var(--aqua); }
.aside-note p { font-size: 14px; color: var(--ink-dim); line-height: 1.7; }

.flow-card { padding: 40px; border-radius: var(--r-lg); }
.flow-card h2 { font: 600 clamp(24px, 3vw, 32px)/1.2 var(--font-d); margin: 12px 0 14px; }
.flow-card > .eyebrow { margin-top: 6px; }
.flow-card .muted { line-height: 1.75; }

.instruction-list { list-style: none; display: grid; gap: 20px; margin: 26px 0 32px; }
.instruction-list li {
	padding: 20px 22px;
	border-radius: var(--r-sm);
	background: rgba(255, 255, 255, 0.035);
	border: 1px solid rgba(130, 226, 238, 0.1);
	transition: border-color 0.3s, transform 0.3s;
}
.instruction-list li:hover { border-color: var(--brd-hi); transform: translateX(4px); }
.instruction-list b { display: block; font-family: var(--font-d); font-size: 15.5px; margin-bottom: 6px; color: var(--aqua-2); }
.instruction-list p { color: var(--ink-dim); font-size: 14.5px; line-height: 1.7; }

.back {
	background: none; border: 0; color: var(--muted);
	font: 700 13.5px var(--font-b); letter-spacing: 0.04em;
	cursor: pointer; margin-bottom: 18px; padding: 4px 0;
	transition: color 0.2s;
}
.back:hover { color: #fff; }

/* form */
.form-heading { margin-bottom: 24px; }
.form-heading h2 { margin: 10px 0 6px; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; margin-bottom: 18px; }
.field { display: grid; gap: 8px; }
.field.full { grid-column: 1 / -1; }
.field label { font-weight: 700; font-size: 13.5px; color: #cfeef4; }
.field label small { color: var(--muted); font-weight: 600; }
.field input, .field textarea, .cert-form input {
	font: 500 15px/1.45 var(--font-b);
	color: var(--ink);
	background: rgba(2, 14, 19, 0.55);
	border: 1px solid var(--brd);
	border-radius: 14px;
	padding: 14px 16px;
	width: 100%;
	transition: border-color 0.25s, box-shadow 0.25s, background 0.25s;
}
.field input::placeholder, .field textarea::placeholder { color: #4f7781; }
.field input:focus, .field textarea:focus, .cert-form input:focus {
	outline: none;
	border-color: rgba(79, 216, 230, 0.65);
	box-shadow: 0 0 0 4px rgba(79, 216, 230, 0.13);
	background: rgba(2, 14, 19, 0.75);
}
.field small { color: var(--muted); font-size: 12.5px; }
.err { color: #ff9a8d; font-size: 13px; min-height: 18px; font-weight: 600; }
.notice {
	padding: 14px 18px;
	border-radius: var(--r-sm);
	background: rgba(79, 216, 230, 0.08);
	border: 1px solid rgba(79, 216, 230, 0.25);
	color: #c9f2f7;
	font-size: 14.5px; line-height: 1.7;
	margin: 18px 0;
}
.hp { position: absolute; left: -9999px; opacity: 0; height: 0; overflow: hidden; }
#formMsg { color: #ff9a8d; font-weight: 600; font-size: 14px; min-height: 20px; margin-bottom: 8px; }
#formMsg.ok { color: var(--aqua-2); }
.submit { width: 100%; padding: 18px; font-size: 16px; }
.form-footnote { text-align: center; color: var(--muted); font-size: 12.5px; margin-top: 14px; }
.registration-form { position: relative; }

/* success */
.success { text-align: center; }
.success .eyebrow { justify-content: center; margin-top: 18px; }
.success h2 { margin: 14px auto; }
.success p { color: var(--ink-dim); line-height: 1.8; }
.success-mark {
	width: 74px; height: 74px; margin: 8px auto 0;
	display: grid; place-items: center;
	font-size: 30px; color: #032730;
	border-radius: 50%;
	background: linear-gradient(135deg, #8ceaf4, #2fbccb);
	box-shadow: 0 18px 44px -12px rgba(79, 216, 230, 0.7);
	animation: pop 0.6s var(--ease);
}
.success-mark.art { background: linear-gradient(135deg, rgba(140, 234, 244, 0.2), rgba(15, 127, 146, 0.35)); color: var(--aqua-2); border: 1px solid var(--brd); box-shadow: none; }
@keyframes pop { from { transform: scale(0.4); opacity: 0; } to { transform: scale(1); opacity: 1; } }
.success .btn { margin: 22px 6px 0; }
.success .text-link { display: block; }

/* closed states */
.closed-card { text-align: center; max-width: 560px; margin: 0 auto; }
.closed-card .eyebrow { justify-content: center; margin-top: 16px; }
.closed-card h2 { margin: 12px 0; }
.closed-card .muted { margin-bottom: 24px; line-height: 1.8; }
.closed-art { display: grid; place-items: center; margin-bottom: 8px; mix-blend-mode: screen; }
.closed-art img { width: 180px; opacity: 0.9; filter: grayscale(0.4); }
.closed-actions { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; margin-top: 8px; }

/* certificate page */
.cert-shell { max-width: 720px; margin: 0 auto; padding: 170px 22px 110px; min-height: 80vh; }
.cert-form { display: grid; gap: 18px; margin-top: 22px; }
.cert-form .btn { justify-self: start; }
.loader-container { text-align: center; padding: 34px 0 20px; }
.loader {
	width: 46px; height: 46px; margin: 0 auto 20px;
	border-radius: 50%;
	border: 3px solid rgba(79, 216, 230, 0.18);
	border-top-color: var(--aqua);
	animation: spin 0.9s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }
.loader-container h3, .done-container h3 { font: 600 20px var(--font-d); margin-bottom: 8px; }
.done-container { text-align: center; padding: 24px 0 10px; display: grid; justify-items: center; gap: 8px; }
.done-mark { font-size: 44px; }

/* ---------------- footer ---------------- */
.site-footer {
	margin-top: 60px;
	border-top: 1px solid var(--brd);
	background: linear-gradient(180deg, rgba(3, 14, 19, 0.4), rgba(2, 8, 12, 0.9));
	backdrop-filter: blur(16px);
	-webkit-backdrop-filter: blur(16px);
}
.footer-inner {
	max-width: 1180px; margin: 0 auto;
	padding: 54px 22px 34px;
	display: grid; grid-template-columns: 1.2fr 1fr 0.8fr; gap: 34px;
	align-items: start;
}
.footer-logo { width: 240px; margin-bottom: 16px; }
.footer-brand p { color: var(--ink-dim); font-size: 14.5px; line-height: 1.75; max-width: 340px; }
.footer-meta { display: grid; gap: 10px; padding-top: 8px; }
.footer-meta span { color: var(--ink-dim); font-size: 14.5px; position: relative; padding-left: 20px; }
.footer-meta span::before { content: '◆'; position: absolute; left: 0; top: 1px; font-size: 9px; color: var(--aqua); }
.footer-nav { display: grid; gap: 10px; padding-top: 8px; justify-items: start; }
.footer-nav a { color: var(--ink-dim); font-weight: 700; font-size: 14.5px; transition: color 0.2s, transform 0.2s; }
.footer-nav a:hover { color: var(--aqua-2); transform: translateX(4px); }
.footer-strip {
	border-top: 1px solid rgba(130, 226, 238, 0.1);
	padding: 22px;
	display: flex; align-items: center; justify-content: center; gap: 14px; flex-wrap: wrap;
}
.footer-strip p { color: var(--muted); font-size: 13px; letter-spacing: 0.14em; text-transform: uppercase; font-weight: 700; }
.sharein-chip {
	display: inline-grid; place-items: center;
	background: rgba(240, 250, 250, 0.92);
	border: 1px solid rgba(255, 255, 255, 0.5);
	border-radius: 14px;
	padding: 7px 12px;
	box-shadow: 0 10px 26px -10px rgba(0, 0, 0, 0.6);
	transition: transform 0.3s var(--ease), box-shadow 0.3s;
}
.sharein-chip:hover { transform: translateY(-3px); box-shadow: 0 16px 34px -10px rgba(79, 216, 230, 0.35); }
.sharein-chip img { height: 30px; width: auto; display: block; }
.footer-strip small { color: var(--muted); font-size: 12.5px; }

/* ---------------- reveal animations ---------------- */
.reveal { opacity: 0; transform: translateY(34px); transition: opacity 0.9s var(--ease), transform 0.9s var(--ease); transition-delay: 0ms; }
.reveal.d1 { transition-delay: 90ms; }
.reveal.d2 { transition-delay: 180ms; }
.reveal.d3 { transition-delay: 270ms; }
.reveal.d4 { transition-delay: 360ms; }
.reveal.d5 { transition-delay: 450ms; }
html.js .reveal.in { opacity: 1; transform: none; }
html:not(.js) .reveal { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
	*, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
	html { scroll-behavior: auto; }
	.reveal { opacity: 1; transform: none; }
}

/* ---------------- responsive ---------------- */
@media (max-width: 1080px) {
	.hero-inner { grid-template-columns: 1fr; gap: 10px; }
	.hero { padding-top: 130px; }
	.hero-art { height: 420px; min-height: 380px; order: -1; }
	.gi-float img { width: min(72%, 420px); }
	.floating-card { left: 4%; bottom: 2%; }
	.free-float { right: 8%; bottom: 4%; }
	.poster { grid-template-columns: 1fr; gap: 40px; }
	.poster-copy { text-align: center; }
	.poster-copy p { margin: 0 auto; }
	.poster-facts { max-width: 560px; margin-inline: auto; }
	.flow-shell { grid-template-columns: 1fr; gap: 30px; }
	.flow-aside { position: static; }
}
@media (max-width: 860px) {
	.details-grid, .path-grid { grid-template-columns: 1fr; }
	.footer-inner { grid-template-columns: 1fr; gap: 28px; }
	.strip-inner { border-radius: var(--r-md); justify-content: center; text-align: center; }
	.strip-sep { display: none; }
}
@media (max-width: 720px) {
	.glass-nav { padding: 0 12px; top: 10px; }
	.glass-nav nav {
		position: fixed; inset: 74px 12px auto 12px;
		flex-direction: column; gap: 6px;
		padding: 14px;
		border-radius: 24px;
		background: rgba(5, 22, 29, 0.92);
		border: 1px solid var(--brd);
		backdrop-filter: blur(24px);
		-webkit-backdrop-filter: blur(24px);
		box-shadow: var(--shadow);
		display: none;
	}
	.glass-nav nav.open { display: flex; }
	.glass-nav nav a { padding: 14px 18px; text-align: center; }
	.nav-burger { display: block; }
	.nav-cta .btn { display: none; }
	.brand img { height: 40px; }
	.hero { padding: 120px 16px 60px; }
	.hero-intro { font-size: 15.5px; }
	.hero-actions .btn { width: 100%; }
	.hero-meta { flex-direction: column; }
	.uni-logos { padding: 12px 16px; }
	.uni-logos img { height: 44px; }
	.flow-card { padding: 26px 20px; }
	.form-grid { grid-template-columns: 1fr; }
	.detail-card { padding: 30px 24px; }
	.cert-shell { padding-top: 150px; }
	.floating-card { display: none; }
	.hero-art { height: 340px; min-height: 300px; }
	.free-float { width: 96px; right: 2%; }
}