/* ============================================================
   Gift Box Configurator — Landing animations
   Inherits TeaLux --tl-* tokens, with standalone fallbacks.
   ============================================================ */

.gbc-landing {
	/* Fallbacks mirror TeaLux dark theme. */
	--gbc-gold:    var(--tl-gold, #c79a55);
	--gbc-gold-lt: var(--tl-gold-lt, #e8d09a);
	--gbc-surface: var(--tl-surface, #1a1710);
	--gbc-bg:      var(--tl-bg, #0c0a07);
	--gbc-text:    var(--tl-text, #f0e6d0);
	--gbc-text-2:  var(--tl-text-2, #bdb09a);
	--gbc-border:  var(--tl-border, rgba(200, 160, 90, 0.16));
	--gbc-serif:   "Fraunces", "Cormorant Garamond", Georgia, serif;
	--gbc-sans:    "Manrope", "Jost", -apple-system, "Segoe UI", sans-serif;
	--gbc-ease:    cubic-bezier(0.22, 0.61, 0.36, 1);
	--gbc-lux:     cubic-bezier(0.16, 1, 0.3, 1);

	background: var(--gbc-bg);
	color: var(--gbc-text);
	font-family: var(--gbc-sans);
	scroll-behavior: smooth;
	overflow-x: clip;
}

html:has(.gbc-landing) { scroll-behavior: smooth; }

.gbc-landing *,
.gbc-landing *::before,
.gbc-landing *::after { box-sizing: border-box; }

/* ───────── Shared bits ───────── */

.gbc-eyebrow {
	font-family: var(--gbc-sans);
	font-size: 0.62rem;
	letter-spacing: 0.42em;
	text-transform: uppercase;
	color: var(--gbc-gold);
	margin: 0 0 0.8rem;
}

.gbc-section-title {
	font-family: var(--gbc-serif);
	font-weight: 300;
	font-variation-settings: "opsz" 144;
	font-size: clamp(1.8rem, 4.5vw, 3rem);
	line-height: 1.1;
	color: var(--gbc-text);
	margin: 0;
}

.gbc-section-head { text-align: center; max-width: 40ch; margin-inline: auto; }

/* ───────── HERO ───────── */

.gbc-hero {
	position: relative;
	min-height: 88vh;
	min-height: 88svh;
	display: grid;
	place-items: center;
	text-align: center;
	overflow: hidden;
	padding: 3rem 1.4rem;
	background:
		radial-gradient(120% 80% at 50% -10%, rgba(199, 154, 85, 0.16), transparent 60%),
		var(--gbc-bg);
}

.gbc-hero-inner { position: relative; z-index: 3; max-width: 760px; }

.gbc-hero-title {
	font-family: var(--gbc-serif);
	font-weight: 300;
	font-variation-settings: "opsz" 144;
	font-size: clamp(2.4rem, 7vw, 5rem);
	line-height: 1.05;
	letter-spacing: -0.01em;
	margin: 0 0 1.2rem;
	color: var(--gbc-text);
	opacity: 0;
	transform: translateY(28px);
	animation: gbcFadeUp 1.1s var(--gbc-lux) 0.15s forwards;
}

.gbc-hero-sub {
	font-family: var(--gbc-serif);
	font-style: italic;
	font-size: clamp(1.05rem, 2.4vw, 1.5rem);
	color: var(--gbc-text-2);
	max-width: 32ch;
	margin: 0 auto 2.4rem;
	opacity: 0;
	transform: translateY(24px);
	animation: gbcFadeUp 1.1s var(--gbc-lux) 0.35s forwards;
}

.gbc-hero-cta {
	display: inline-block;
	padding: 0.95rem 2.4rem;
	border-radius: 30px;
	font-family: var(--gbc-sans);
	font-size: 0.66rem;
	font-weight: 600;
	letter-spacing: 0.24em;
	text-transform: uppercase;
	text-decoration: none;
	color: #0e0c08;
	background: linear-gradient(135deg, var(--gbc-gold-lt), var(--gbc-gold));
	box-shadow: 0 12px 40px -12px rgba(199, 154, 85, 0.6);
	transition: transform 0.4s var(--gbc-lux), box-shadow 0.4s var(--gbc-lux);
	opacity: 0;
	animation: gbcFadeUp 1.1s var(--gbc-lux) 0.55s forwards;
}
.gbc-hero-cta:hover { transform: translateY(-3px); box-shadow: 0 18px 50px -10px rgba(199, 154, 85, 0.75); }

/* Scroll hint */
.gbc-scroll-hint {
	position: absolute;
	left: 50%;
	bottom: 2rem;
	transform: translateX(-50%);
	display: flex;
	flex-direction: column;
	align-items: center;
	gap: 0.6rem;
	z-index: 3;
	opacity: 0;
	animation: gbcFadeIn 1s ease 1.1s forwards;
}
.gbc-scroll-mouse {
	width: 24px;
	height: 38px;
	border: 1.5px solid var(--gbc-border);
	border-radius: 14px;
	display: flex;
	justify-content: center;
	padding-top: 6px;
}
.gbc-scroll-dot {
	width: 4px;
	height: 8px;
	border-radius: 4px;
	background: var(--gbc-gold);
	animation: gbcScrollDot 1.8s var(--gbc-ease) infinite;
}
.gbc-scroll-text {
	font-size: 0.55rem;
	letter-spacing: 0.3em;
	text-transform: uppercase;
	color: var(--gbc-text-2);
}

/* Floating particles */
.gbc-particles { position: absolute; inset: 0; z-index: 1; pointer-events: none; }
.gbc-leaf {
	position: absolute;
	bottom: -40px;
	width: 14px;
	height: 14px;
	background: var(--gbc-gold);
	opacity: 0;
	border-radius: 0 100% 0 100%;
	transform: rotate(45deg);
	animation: gbcFloatUp linear infinite;
}

/* Gold shimmer diagonal lines */
.gbc-shimmer {
	position: absolute;
	inset: -50%;
	z-index: 1;
	pointer-events: none;
	background-image: repeating-linear-gradient(
		115deg,
		transparent 0 120px,
		rgba(199, 154, 85, 0.05) 120px 122px,
		transparent 122px 240px
	);
	background-size: 240px 240px;
	animation: gbcShimmerMove 14s linear infinite;
	mix-blend-mode: screen;
}

/* ───────── SCROLL-TRIGGERED 3D SCENE ───────── */

.gbc-scroll-scene { position: relative; height: 180vh; }
.gbc-scroll-sticky {
	position: sticky;
	top: 0;
	height: 100vh;
	height: 100svh;
	display: grid;
	place-items: center;
	overflow: hidden;
}

.gbc-scene-stage { position: relative; width: 280px; height: 280px; }

.gbc-scene-box {
	position: absolute;
	inset: 0;
	transform-style: preserve-3d;
	transform: rotateX(12deg) rotateY(-22deg) scale(0.9);
	will-change: transform;
}

.gbc-scene-body { position: absolute; inset: 0; transform-style: preserve-3d; }
.gbc-scene-face {
	position: absolute;
	border: 1px solid var(--gbc-border);
}
.gbc-scene-front {
	inset: 60px 0 0 0;
	background: linear-gradient(160deg, #2a2418, #18140d);
	border-radius: 6px;
	box-shadow: inset 0 0 60px rgba(0, 0, 0, 0.5);
}
.gbc-scene-side {
	top: 60px;
	left: 0;
	width: 220px;
	height: 220px;
	background: linear-gradient(160deg, #221d12, #100d08);
	transform: rotateY(90deg) translateZ(-110px) translateX(110px);
	transform-origin: left;
	border-radius: 6px;
}
.gbc-scene-inside {
	inset: 60px 0 0 0;
	background: radial-gradient(circle at 50% 40%, rgba(199, 154, 85, 0.25), #100d08 70%);
	transform: translateZ(-1px);
	border-radius: 6px;
}

.gbc-scene-lid {
	position: absolute;
	top: 30px;
	left: -8px;
	width: calc(100% + 16px);
	height: 56px;
	background: linear-gradient(160deg, #322a1b, #1d1810);
	border: 1px solid var(--gbc-gold);
	border-radius: 8px;
	transform-origin: top center;
	transform: rotateX(0deg);
	transition: transform 0.1s linear;
	box-shadow: 0 6px 24px -8px rgba(0, 0, 0, 0.7);
	will-change: transform;
}
.gbc-scene-ribbon-v {
	position: absolute;
	left: 50%;
	top: 0;
	width: 26px;
	height: 100%;
	transform: translateX(-50%);
	background: linear-gradient(var(--gbc-gold-lt), var(--gbc-gold));
	opacity: 0.85;
}
.gbc-scene-bow {
	position: absolute;
	left: 50%;
	top: -14px;
	width: 44px;
	height: 28px;
	transform: translateX(-50%);
	border: 3px solid var(--gbc-gold);
	border-radius: 50% 50% 0 0;
	border-bottom: none;
	filter: drop-shadow(0 0 8px rgba(199, 154, 85, 0.6));
}

.gbc-scene-items {
	position: absolute;
	inset: 0;
	display: flex;
	justify-content: center;
	align-items: flex-start;
	gap: 0.5rem;
	pointer-events: none;
}
.gbc-float-item {
	font-size: 2rem;
	opacity: 0;
	transform: translateY(0);
	transition: transform 0.2s linear, opacity 0.2s linear;
}

.gbc-scene-shadow {
	position: absolute;
	left: 50%;
	bottom: -30px;
	width: 240px;
	height: 40px;
	transform: translateX(-50%);
	background: radial-gradient(ellipse, rgba(0, 0, 0, 0.6), transparent 70%);
	filter: blur(8px);
	will-change: transform, opacity;
}

.gbc-scene-cta {
	position: absolute;
	left: 50%;
	bottom: 8%;
	transform: translateX(-50%) translateY(20px);
	text-align: center;
	opacity: 0;
	transition: opacity 0.5s var(--gbc-lux), transform 0.5s var(--gbc-lux);
	pointer-events: none;
}
.gbc-scene-cta.is-visible { opacity: 1; transform: translateX(-50%) translateY(0); pointer-events: auto; }
.gbc-scene-cta-title {
	font-family: var(--gbc-serif);
	font-weight: 300;
	font-size: clamp(1.6rem, 4vw, 2.6rem);
	margin: 0 0 1rem;
	color: var(--gbc-text);
}

/* ───────── SHOWCASE ───────── */

.gbc-showcase { padding: clamp(2.5rem, 6vw, 3.75rem) 1.4rem; max-width: 1100px; margin-inline: auto; }
.gbc-showcase-grid {
	display: grid;
	grid-template-columns: repeat(3, 1fr);
	gap: 1.6rem;
	margin-top: 1.6rem;
}

.gbc-show-card {
	appearance: none;
	cursor: pointer;
	border: 1px solid var(--gbc-border);
	border-radius: 20px;
	background: var(--gbc-surface);
	padding: 2rem 1.4rem 1.6rem;
	text-align: center;
	color: inherit;
	transition: border-color 0.4s var(--gbc-ease), transform 0.5s var(--gbc-lux), box-shadow 0.5s var(--gbc-lux);
}
.gbc-show-card:hover,
.gbc-show-card:focus-visible {
	border-color: var(--gbc-gold-lt);
	transform: translateY(-6px);
	box-shadow: 0 24px 60px -28px rgba(199, 154, 85, 0.5);
	outline: none;
}

/* 3D stage gives perspective to the box inside */
.gbc-show-stage {
	perspective: 720px;
	perspective-origin: 50% 30%;
	height: 150px;
	display: grid;
	place-items: center;
	margin-bottom: 1.2rem;
}
.gbc-show-3d {
	position: relative;
	width: 132px;
	height: 110px;
	transform-style: preserve-3d;
	transform: rotateX(18deg) rotateY(-24deg);
	transition: transform 0.7s var(--gbc-lux);
}
.gbc-show-card:hover .gbc-show-3d,
.gbc-show-card:focus-visible .gbc-show-3d { transform: rotateX(14deg) rotateY(-30deg) scale(1.05); }

/* Box body */
.gbc-show-base {
	position: absolute;
	inset: 30px 6px 0 6px;
	background:
		linear-gradient(115deg, rgba(255, 255, 255, 0.08), transparent 40%),
		linear-gradient(160deg, #3a3120 0%, #241d12 55%, #15110a 100%);
	border: 1px solid rgba(199, 154, 85, 0.35);
	border-radius: 5px;
	box-shadow:
		inset 0 -16px 26px rgba(0, 0, 0, 0.55),
		inset 14px 0 22px rgba(0, 0, 0, 0.4),
		0 16px 28px -16px rgba(0, 0, 0, 0.8);
}
/* Lid sitting on top of the body */
.gbc-show-lid {
	position: absolute;
	top: 18px;
	left: 0;
	width: 100%;
	height: 30px;
	background:
		linear-gradient(115deg, rgba(255, 255, 255, 0.12), transparent 45%),
		linear-gradient(160deg, #463a25, #2a2114);
	border: 1px solid var(--gbc-gold);
	border-radius: 6px;
	transform-origin: top center;
	transform: rotateX(0deg) translateZ(1px);
	transition: transform 0.6s var(--gbc-lux), box-shadow 0.6s var(--gbc-lux);
	box-shadow: 0 6px 16px -8px rgba(0, 0, 0, 0.7);
}
.gbc-show-card:hover .gbc-show-lid,
.gbc-show-card:focus-visible .gbc-show-lid {
	transform: translateY(-22px) rotateX(-52deg);
	box-shadow: 0 16px 28px -10px rgba(0, 0, 0, 0.6);
}
/* Vertical gold ribbon */
.gbc-show-ribbon {
	position: absolute;
	left: 50%;
	top: 18px;
	width: 16px;
	height: calc(100% - 18px);
	transform: translateX(-50%) translateZ(2px);
	background: linear-gradient(90deg, var(--gbc-gold), var(--gbc-gold-lt) 50%, var(--gbc-gold));
	box-shadow: 0 0 6px rgba(199, 154, 85, 0.4);
	transition: filter 0.5s var(--gbc-ease), box-shadow 0.5s var(--gbc-ease);
}
.gbc-show-card:hover .gbc-show-ribbon,
.gbc-show-card:focus-visible .gbc-show-ribbon {
	filter: brightness(1.2);
	box-shadow: 0 0 16px rgba(199, 154, 85, 0.9);
}
/* Gold bow on the lid */
.gbc-show-bow {
	position: absolute;
	left: 50%;
	top: 8px;
	width: 40px;
	height: 26px;
	transform: translateX(-50%) translateZ(3px);
	z-index: 3;
}
.gbc-show-bow::before,
.gbc-show-bow::after {
	content: "";
	position: absolute;
	top: 0;
	width: 18px;
	height: 26px;
	border: 3px solid var(--gbc-gold-lt);
	border-radius: 50% 50% 50% 50% / 60% 60% 40% 40%;
	box-shadow: 0 0 8px rgba(199, 154, 85, 0.6);
}
.gbc-show-bow::before { left: -2px; transform: rotate(-26deg); }
.gbc-show-bow::after  { right: -2px; transform: rotate(26deg); }

/* shape variants */
.gbc-show-heart .gbc-show-base {
	inset: 18px 4px 0 4px;
	border: none;
	border-radius: 0;
	background:
		radial-gradient(circle at 35% 35%, rgba(255, 255, 255, 0.1), transparent 40%),
		linear-gradient(160deg, #4a3420 0%, #2a1c12 60%, #170f0a 100%);
	clip-path: path("M66,96 C24,66 6,44 6,26 C6,12 17,4 30,4 C44,4 60,14 66,28 C72,14 88,4 102,4 C115,4 126,12 126,26 C126,44 108,66 66,96 Z");
	box-shadow: none;
}
.gbc-show-heart .gbc-show-lid { display: none; }
.gbc-show-heart .gbc-show-ribbon { display: none; }
.gbc-show-heart .gbc-show-bow { top: 0; }
.gbc-show-circle .gbc-show-base { inset: 30px 8px 0 8px; border-radius: 50%; }
.gbc-show-circle .gbc-show-lid { top: 22px; left: 8px; width: calc(100% - 16px); border-radius: 50% 50% 10px 10px; height: 34px; }

.gbc-show-go {
	display: inline-block;
	margin-top: 0.7rem;
	font-family: var(--gbc-sans);
	font-size: 0.6rem;
	font-weight: 600;
	letter-spacing: 0.2em;
	text-transform: uppercase;
	color: var(--gbc-gold-lt);
	opacity: 0;
	transform: translateY(4px);
	transition: opacity 0.4s var(--gbc-ease), transform 0.4s var(--gbc-ease);
}
.gbc-show-card:hover .gbc-show-go,
.gbc-show-card:focus-visible .gbc-show-go { opacity: 1; transform: translateY(0); }

.gbc-show-name {
	font-family: var(--gbc-serif);
	font-weight: 400;
	font-size: 1.4rem;
	color: var(--gbc-text);
	margin: 0 0 0.3rem;
}
.gbc-show-meta { color: var(--gbc-text-2); font-size: 0.78rem; margin: 0; }

/* ───────── Reveal-on-scroll ───────── */
.gbc-reveal { opacity: 0; transform: translateY(40px); transition: opacity 0.9s var(--gbc-lux), transform 0.9s var(--gbc-lux); }
.gbc-reveal.is-in { opacity: 1; transform: translateY(0); }

/* ───────── Buttons (shared) ───────── */
.gbc-btn {
	appearance: none;
	cursor: pointer;
	padding: 0.9rem 2rem;
	border-radius: 26px;
	font-family: var(--gbc-sans);
	font-size: 0.66rem;
	font-weight: 600;
	letter-spacing: 0.2em;
	text-transform: uppercase;
	border: 1px solid var(--gbc-border);
	background: transparent;
	color: var(--gbc-text-2);
	text-decoration: none;
	display: inline-flex;
	align-items: center;
	justify-content: center;
	gap: 0.5rem;
	transition: color 0.3s, border-color 0.3s, transform 0.3s var(--gbc-lux), background 0.3s;
}
.gbc-btn:hover:not(:disabled) { color: var(--gbc-text); border-color: var(--gbc-gold-lt); }
.gbc-btn:disabled { opacity: 0.4; cursor: not-allowed; }
.gbc-btn--primary {
	background: linear-gradient(135deg, var(--gbc-gold-lt), var(--gbc-gold));
	color: #0e0c08;
	border: none;
}
.gbc-btn--primary:hover:not(:disabled) { transform: translateY(-2px); color: #0e0c08; box-shadow: 0 14px 36px -14px rgba(199, 154, 85, 0.7); }
.gbc-btn--ghost { background: transparent; }
.gbc-btn--block { display: flex; width: 100%; }
.gbc-btn--sm { padding: 0.55rem 1.2rem; font-size: 0.6rem; }

/* ───────── Keyframes ───────── */
@keyframes gbcFadeUp { to { opacity: 1; transform: translateY(0); } }
@keyframes gbcFadeIn { to { opacity: 1; } }
@keyframes gbcScrollDot { 0% { transform: translateY(0); opacity: 1; } 70% { transform: translateY(12px); opacity: 0; } 100% { opacity: 0; } }
@keyframes gbcFloatUp {
	0% { transform: translateY(0) rotate(45deg); opacity: 0; }
	10% { opacity: 0.7; }
	90% { opacity: 0.5; }
	100% { transform: translateY(-105vh) rotate(225deg); opacity: 0; }
}
@keyframes gbcShimmerMove { to { background-position: 240px 240px; } }

/* ───────── Responsive ───────── */
@media (max-width: 760px) {
	.gbc-showcase-grid { grid-template-columns: 1fr; }
	.gbc-scene-stage { transform: scale(0.78); }
}

@media (prefers-reduced-motion: reduce) {
	.gbc-landing, html:has(.gbc-landing) { scroll-behavior: auto; }
	.gbc-leaf, .gbc-shimmer, .gbc-scroll-dot { animation: none; }
	.gbc-hero-title, .gbc-hero-sub, .gbc-hero-cta, .gbc-scroll-hint { opacity: 1; transform: none; animation: none; }
	.gbc-reveal { opacity: 1; transform: none; }
}