/* Logic Writer — logicwriter.online
   Colours and type follow the Kickstarter video (Lora + crimson palette). */
:root {
	--bg: #160a0d;
	--bg-2: #1d0e12;
	--card: #241216;
	--line: rgba(255, 247, 237, 0.08);
	--primary: #7a2e35;
	--primary-bright: #b4414c;
	--accent: #e2475a;
	--orange: #c2410c;
	--violet: #8b5cf6;
	--text: #fff7ed;
	--muted: #d6c3b8;
	--radius: 18px;
	--shadow: 0 30px 60px rgba(0, 0, 0, 0.55), 0 8px 20px rgba(0, 0, 0, 0.4);
	--ease: cubic-bezier(0.16, 1, 0.3, 1);
	--serif: 'Lora', Georgia, serif;
	--sans: 'Inter', system-ui, -apple-system, 'Segoe UI', sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }
/* overflow-x: clip on html too: elements waiting to slide in sit off-screen and must not widen the page on phones */
html { scroll-behavior: smooth; scroll-padding-top: 80px; overflow-x: clip; }
main, footer { overflow-x: clip; }
body {
	margin: 0;
	background: var(--bg);
	color: var(--text);
	font-family: var(--sans);
	font-size: 17px;
	line-height: 1.65;
	-webkit-font-smoothing: antialiased;
	overflow-x: hidden;
}
img, video { display: block; max-width: 100%; height: auto; }
a { color: inherit; }
h1, h2, h3, h4 { font-family: var(--serif); font-weight: 700; line-height: 1.15; margin: 0 0 0.5em; }
h1 { font-size: clamp(44px, 6.4vw, 84px); letter-spacing: -0.02em; }
h1 em { font-style: italic; font-weight: 500; color: var(--accent); }
h2 { font-size: clamp(30px, 4vw, 50px); letter-spacing: -0.01em; }
h3 { font-size: clamp(24px, 2.6vw, 34px); }
h4 { font-size: 20px; margin: 14px 0 4px; }
p { margin: 0 0 1em; }
code { font-family: ui-monospace, Consolas, monospace; background: rgba(255, 255, 255, 0.08); padding: 1px 7px; border-radius: 6px; font-size: 0.92em; }

.container { width: min(1200px, 100% - 48px); margin: 0 auto; }
.container--narrow { width: min(820px, 100% - 48px); }
.section { padding: clamp(80px, 11vw, 140px) 0; position: relative; }
.section--tight { padding: 60px 0; }
.center { text-align: center; }
.muted { color: var(--muted); }
.small { font-size: 14px; }
.eyebrow { font-size: 14px; font-weight: 600; letter-spacing: 0.14em; text-transform: uppercase; color: var(--accent); margin-bottom: 14px; }
.lead { font-size: clamp(18px, 1.6vw, 21px); color: var(--muted); max-width: 560px; }

/* Buttons */
.btn {
	display: inline-flex; align-items: center; justify-content: center; gap: 10px;
	padding: 15px 28px; border-radius: 999px; font-weight: 600; text-decoration: none;
	border: 1px solid transparent; transition: transform 0.25s var(--ease), box-shadow 0.25s, background 0.25s;
}
.btn--primary { background: linear-gradient(135deg, var(--primary-bright), var(--primary)); box-shadow: 0 12px 30px -10px rgba(226, 71, 90, 0.6); }
.btn--primary:hover { transform: translateY(-2px); box-shadow: 0 18px 40px -12px rgba(226, 71, 90, 0.75); }
.btn--ghost { border-color: rgba(255, 247, 237, 0.25); }
.btn--ghost:hover { background: rgba(255, 247, 237, 0.06); }
.btn--sm { padding: 10px 20px; font-size: 15px; }
.btn--block { width: 100%; }
.play { font-size: 12px; width: 28px; height: 28px; border-radius: 50%; display: inline-grid; place-items: center; background: rgba(255, 255, 255, 0.12); }

/* Nav */
.nav { position: fixed; inset: 0 0 auto; z-index: 50; transition: background 0.3s, backdrop-filter 0.3s, border-color 0.3s; border-bottom: 1px solid transparent; }
.nav.is-scrolled { background: rgba(22, 10, 13, 0.82); backdrop-filter: blur(14px); border-color: var(--line); }
.nav__inner { display: flex; align-items: center; justify-content: space-between; height: 72px; gap: 24px; }
.brand { display: inline-flex; align-items: center; gap: 10px; font-family: var(--serif); font-weight: 700; font-size: 20px; text-decoration: none; }
.nav__links { display: flex; gap: 28px; }
.nav__links a { text-decoration: none; color: var(--muted); font-size: 15px; transition: color 0.2s; }
.nav__links a:hover { color: var(--text); }

/* Hero */
.hero { position: relative; padding: 150px 0 110px; overflow: hidden; }
.hero__glow {
	position: absolute; inset: -20% -10% auto; height: 120%; pointer-events: none;
	background: radial-gradient(ellipse at 20% 20%, rgba(122, 46, 53, 0.55), transparent 55%), radial-gradient(ellipse at 85% 70%, rgba(194, 65, 12, 0.18), transparent 50%);
	animation: glow 14s ease-in-out infinite alternate;
}
@keyframes glow { to { transform: translate3d(3%, -4%, 0) scale(1.08); } }
.hero__inner { position: relative; display: grid; grid-template-columns: 1fr 1.15fr; gap: 56px; align-items: center; }
.hero__cta { display: flex; flex-wrap: wrap; gap: 14px; margin: 30px 0 26px; }
.hero__facts { list-style: none; padding: 0; margin: 0; display: flex; flex-wrap: wrap; gap: 10px 22px; color: var(--muted); font-size: 14px; }
.hero__facts li::before { content: '✓'; color: var(--accent); margin-right: 7px; }
.hero__visual { position: relative; }

.frame { border-radius: var(--radius); overflow: hidden; background: var(--card); border: 1px solid var(--line); box-shadow: var(--shadow); }
.frame__bar { display: flex; gap: 7px; padding: 12px 14px; background: #2b161b; }
.frame__bar span { width: 11px; height: 11px; border-radius: 50%; background: rgba(255, 255, 255, 0.18); }
.frame--tilt { transform: perspective(1400px) rotateY(-9deg) rotateX(4deg); transition: transform 0.6s var(--ease); }
.hero__visual:hover .frame--tilt { transform: perspective(1400px) rotateY(-3deg) rotateX(1deg); }

.float-chip {
	position: absolute; padding: 9px 18px; border-radius: 999px; font-weight: 600; font-size: 15px; white-space: nowrap;
	background: var(--primary); border: 1.5px solid var(--primary-bright); box-shadow: var(--shadow);
	animation: bob 6s ease-in-out infinite;
}
.float-chip--1 { top: 8%; left: -6%; }
.float-chip--2 { bottom: 14%; left: -10%; animation-delay: -2s; background: #3a1d47; border-color: var(--violet); }
.float-chip--3 { top: -4%; right: 6%; animation-delay: -4s; background: #4a2412; border-color: var(--orange); }
@keyframes bob { 50% { transform: translateY(-12px); } }

/* Problem */
.problem { background: linear-gradient(180deg, transparent, var(--bg-2)); }
.problem__inner { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.pile { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.pile__card {
	position: relative; padding: 34px 20px; border-radius: var(--radius); text-align: center; font-family: var(--serif); font-size: 24px; font-weight: 700;
	background: linear-gradient(160deg, #3a1a20, #2a1216); border: 1px solid rgba(180, 65, 76, 0.45); box-shadow: var(--shadow);
}
.pile__card:nth-child(odd) { transform: rotate(-2deg); }
.pile__card:nth-child(even) { transform: rotate(1.5deg); }
.pile__card span { display: block; font-size: 30px; margin-bottom: 6px; }
.pile__card em { position: absolute; top: -12px; right: 14px; font-family: var(--sans); font-style: normal; font-size: 12px; font-weight: 600; padding: 3px 10px; border-radius: 999px; background: #fff; color: #b91c1c; opacity: 0; transition: opacity 0.4s 0.9s; }
.pile__card--wrong.is-visible { animation: wrong 0.9s 0.7s both; }
.pile__card--wrong.is-visible em { opacity: 1; }
@keyframes wrong {
	0%, 100% { transform: rotate(-2deg); }
	15% { transform: rotate(-2deg) translateX(-10px); } 30% { transform: rotate(-2deg) translateX(9px); }
	45% { transform: rotate(-2deg) translateX(-6px); } 60% { transform: rotate(-2deg) translateX(4px); }
	100% { background: linear-gradient(160deg, #b91c1c, #7f1d1d); box-shadow: 0 0 40px rgba(226, 71, 90, 0.55); }
}

/* Video */
.video__wrap { margin-top: 40px; border-radius: 22px; overflow: hidden; border: 1px solid var(--line); box-shadow: var(--shadow); background: #000; }
.video__wrap video { width: 100%; aspect-ratio: 16 / 9; }

/* Features */
.feature { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 64px; align-items: center; margin-top: clamp(70px, 9vw, 120px); }
.feature--flip .feature__copy { order: 2; }
.feature__num { display: block; font-family: var(--serif); font-size: 15px; color: var(--accent); letter-spacing: 0.1em; margin-bottom: 8px; }
.feature__copy p { color: var(--muted); }
.ticks { list-style: none; padding: 0; margin: 0; display: grid; gap: 8px; }
.ticks li { padding-left: 30px; position: relative; }
.ticks li::before { content: ''; position: absolute; left: 0; top: 7px; width: 18px; height: 18px; border-radius: 50%; background: rgba(226, 71, 90, 0.18); box-shadow: inset 0 0 0 1.5px var(--accent); }
.ticks li::after { content: ''; position: absolute; left: 6px; top: 11px; width: 6px; height: 9px; border: solid var(--accent); border-width: 0 2px 2px 0; transform: rotate(45deg); }
.formats { display: flex; gap: 10px; flex-wrap: wrap; }
.formats span { padding: 8px 16px; border-radius: 10px; background: var(--card); border: 1px solid rgba(180, 65, 76, 0.4); font-weight: 600; letter-spacing: 0.05em; }

/* Story bible cards */
.bible { background: var(--bg-2); }
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; margin: 50px 0 30px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 14px 14px 20px; transition: transform 0.35s var(--ease), border-color 0.35s, box-shadow 0.35s; }
.card img { border-radius: 12px; aspect-ratio: 16 / 9; object-fit: cover; object-position: top left; }
.card p { color: var(--muted); font-size: 15px; margin: 0; }
.card:hover { transform: translateY(-6px); border-color: rgba(180, 65, 76, 0.5); box-shadow: var(--shadow); }

/* Facts */
.facts__grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.fact { padding: 26px; border-radius: var(--radius); background: linear-gradient(160deg, rgba(122, 46, 53, 0.35), rgba(36, 18, 22, 0.6)); border: 1px solid var(--line); }
.fact strong { display: block; font-family: var(--serif); font-size: 28px; }
.fact span { color: var(--muted); font-size: 15px; }

/* Pricing */
.plans { display: flex; justify-content: center; margin-top: 46px; }
.plan { position: relative; width: min(440px, 100%); padding: 40px 34px; border-radius: 24px; background: var(--card); border: 1px solid var(--line); }
.plan--featured { border-color: rgba(226, 71, 90, 0.6); box-shadow: 0 30px 80px -30px rgba(226, 71, 90, 0.5); }
.plan__badge { position: absolute; top: -14px; left: 34px; padding: 5px 14px; border-radius: 999px; background: var(--accent); font-size: 13px; font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase; }
.plan__price { font-family: var(--serif); font-size: 64px; font-weight: 700; line-height: 1; margin: 18px 0 26px; }
.plan__currency { font-size: 30px; vertical-align: top; margin-right: 2px; }
.plan__term { font-family: var(--sans); font-size: 15px; font-weight: 500; color: var(--muted); margin-left: 10px; }
.plan .ticks { margin-bottom: 30px; }
.plan .small { margin: 14px 0 0; text-align: center; }

/* Languages */
.langs { background: radial-gradient(ellipse at 50% 0%, rgba(122, 46, 53, 0.35), transparent 60%); }
.langs__lead { max-width: 720px; margin: 0 auto 36px; }
.langs__main, .langs__more { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; }
.langs__main { margin-bottom: 18px; }
.lang { padding: 9px 18px; border-radius: 999px; background: var(--card); border: 1px solid var(--line); color: var(--muted); font-size: 15px; }
.lang--main { padding: 13px 26px; font-family: var(--serif); font-size: 22px; font-weight: 700; color: var(--text); background: linear-gradient(135deg, var(--primary-bright), var(--primary)); border-color: var(--accent); box-shadow: 0 12px 30px -12px rgba(226, 71, 90, 0.6); }
.lang--cjk { font-family: 'Noto Sans JP', 'Noto Sans SC', 'Yu Gothic', 'Microsoft YaHei', 'PingFang SC', sans-serif; }
.lang--plus { color: var(--accent); border-color: rgba(226, 71, 90, 0.5); font-weight: 600; }

/* Online membership */
.online { background: radial-gradient(ellipse at 15% 50%, rgba(139, 92, 246, 0.16), transparent 55%), var(--bg-2); }
.online__inner { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.online__value { display: inline-block; margin-top: 8px; padding: 12px 18px; border-radius: 14px; background: rgba(139, 92, 246, 0.14); border: 1px solid rgba(139, 92, 246, 0.45); font-weight: 600; }
.online__value span { color: var(--muted); font-weight: 400; }
.online__list { list-style: none; padding: 0; margin: 0; display: grid; gap: 16px; }
.online__list li { padding: 20px 22px; border-radius: var(--radius); background: var(--card); border: 1px solid var(--line); }
.online__list strong { display: block; font-family: var(--serif); font-size: 20px; margin-bottom: 4px; }
.online__list span { color: var(--muted); font-size: 15px; }

/* 3 plans */
.plans--3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; align-items: stretch; margin-bottom: 18px; }
.plans--3 .plan { width: auto; display: flex; flex-direction: column; }
.plans--3 .plan .ticks { flex: 1; }
.plan__desc { color: var(--muted); font-size: 15px; margin: -4px 0 0; }
.plan--best { border-color: rgba(139, 92, 246, 0.55); box-shadow: 0 30px 80px -30px rgba(139, 92, 246, 0.45); }
.plan__badge--best { background: var(--violet); }
.plan--featured { transform: translateY(-10px); }
.js .plan--featured[data-reveal].is-visible { transform: translateY(-10px); }

/* Bank transfer */
.bank { margin-top: 60px; padding: 34px; border-radius: 24px; background: var(--card); border: 1px solid var(--line); }
.bank__head h3 { margin-bottom: 6px; }
.bank__grid { display: grid; grid-template-columns: 1.1fr 1fr; gap: 34px; margin-top: 22px; }
.bank__row { display: grid; grid-template-columns: 130px 1fr auto; gap: 12px; align-items: center; padding: 12px 0; border-bottom: 1px solid var(--line); }
.bank__row span { color: var(--muted); font-size: 14px; }
.mono { font-family: ui-monospace, Consolas, monospace; letter-spacing: 0.03em; }
.copy { cursor: pointer; padding: 6px 12px; border-radius: 8px; border: 1px solid rgba(255, 247, 237, 0.2); background: transparent; color: var(--text); font: 600 13px var(--sans); transition: background 0.2s; }
.copy:hover { background: rgba(255, 247, 237, 0.08); }
.copy.is-done { background: var(--primary); border-color: var(--primary-bright); }
.bank__note label, .bank__label { display: block; font-size: 14px; color: var(--muted); margin: 0 0 6px; }
.bank__note select, .bank__note input { width: 100%; margin-bottom: 14px; padding: 12px 14px; border-radius: 12px; border: 1px solid rgba(255, 247, 237, 0.18); background: var(--bg); color: var(--text); font: 15px var(--sans); }
.bank__memo { display: flex; align-items: center; gap: 10px; padding: 12px 14px; border-radius: 12px; background: rgba(226, 71, 90, 0.12); border: 1px dashed var(--accent); margin-bottom: 12px; }
.bank__memo code { flex: 1; background: none; padding: 0; font-size: 15px; word-break: break-all; }

/* FAQ */
.faq details { border-bottom: 1px solid var(--line); padding: 4px 0; }
.faq summary { cursor: pointer; list-style: none; padding: 20px 40px 20px 0; position: relative; font-family: var(--serif); font-size: 21px; font-weight: 500; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: '+'; position: absolute; right: 4px; top: 16px; font-size: 26px; color: var(--accent); transition: transform 0.3s var(--ease); }
.faq details[open] summary::after { transform: rotate(45deg); }
.faq details p { color: var(--muted); padding-bottom: 18px; margin: 0; }

/* CTA + footer */
.cta { background: radial-gradient(ellipse at 50% 100%, rgba(122, 46, 53, 0.55), transparent 65%); }
.cta__logo { margin: 0 auto 26px; border-radius: 18px; box-shadow: var(--shadow); }
.footer { border-top: 1px solid var(--line); padding: 34px 0; }
.footer__inner { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 18px; }
.footer nav { display: flex; flex-wrap: wrap; gap: 22px; }
.footer nav a { color: var(--muted); text-decoration: none; font-size: 15px; }
.footer nav a:hover { color: var(--text); }
.footer p { margin: 0; }

/* Legal pages */
.legal { padding: 130px 0 90px; }
.legal h1 { font-size: clamp(36px, 5vw, 54px); }
.legal h2 { font-size: 26px; margin-top: 1.6em; }
.legal p, .legal li { color: var(--muted); }
.legal a { color: var(--accent); }

/* ---------- Scroll animations ----------
   [data-reveal]            fade up
   [data-reveal="zoom"]     scale in
   [data-reveal="left|right"] slide in from that side
   data-delay="1..4"        stagger inside a section; children of [data-reveal-group] get it from JS */
.js [data-reveal] { opacity: 0; transform: translate3d(0, 34px, 0); transition: opacity 0.9s var(--ease), transform 1s var(--ease); transition-delay: calc(var(--d, 0) * 110ms); will-change: opacity, transform; }
.js [data-reveal="zoom"] { transform: scale(0.92); }
.js [data-reveal="left"] { transform: translate3d(-70px, 0, 0); }
.js [data-reveal="right"] { transform: translate3d(70px, 0, 0); }
.js [data-reveal].is-visible { opacity: 1; transform: none; }
.js .pile__card[data-reveal].is-visible:nth-child(odd) { transform: rotate(-2deg); }
.js .pile__card[data-reveal].is-visible:nth-child(even) { transform: rotate(1.5deg); }
[data-delay="1"] { --d: 1; } [data-delay="2"] { --d: 2; } [data-delay="3"] { --d: 3; } [data-delay="4"] { --d: 4; }

@media (prefers-reduced-motion: reduce) {
	html { scroll-behavior: auto; }
	.js [data-reveal] { opacity: 1 !important; transform: none !important; transition: none !important; }
	.hero__glow, .float-chip, .pile__card--wrong.is-visible { animation: none !important; }
}

/* ---------- Responsive ---------- */
@media (max-width: 980px) {
	.nav__links { display: none; }
	.hero { padding-top: 120px; }
	.hero__inner, .problem__inner, .feature, .online__inner, .bank__grid { grid-template-columns: 1fr; gap: 40px; }
	.plans--3 { grid-template-columns: 1fr; max-width: 480px; margin-left: auto; margin-right: auto; }
	.plan--featured, .js .plan--featured[data-reveal].is-visible { transform: none; }
	.feature--flip .feature__copy { order: 0; }
	.frame--tilt { transform: none; }
	.cards { grid-template-columns: repeat(2, 1fr); }
	.facts__grid { grid-template-columns: repeat(2, 1fr); }
	.float-chip--1 { left: 2%; } .float-chip--2 { left: 2%; }
}
@media (max-width: 600px) {
	body { font-size: 16px; }
	.brand, .nav .btn { white-space: nowrap; }
	.brand { font-size: 18px; }
	.nav .btn--sm { padding: 9px 16px; font-size: 14px; }
	.js [data-reveal="left"] { transform: translate3d(-28px, 0, 0); }
	.js [data-reveal="right"] { transform: translate3d(28px, 0, 0); }
	.cards, .facts__grid { grid-template-columns: 1fr; }
	.float-chip { display: none; }
	.pile__card { font-size: 20px; padding: 26px 14px; }
	.footer__inner { flex-direction: column; align-items: flex-start; }
	.bank { padding: 24px 18px; }
	.bank__row { grid-template-columns: 1fr auto; }
	.bank__row span { grid-column: 1 / -1; }
}