:root {
  --ink: #080b12;
  --ink-soft: #0d111c;
  --surface: #121826;
  --surface-raised: #171e2e;
  --line: rgba(196, 211, 255, 0.14);
  --line-strong: rgba(196, 211, 255, 0.24);
  --text: #f1f4ff;
  --muted: #9da9c3;
  --muted-dim: #74809b;
  --accent: #6575f3;
  --accent-bright: #aeb8ff;
  --cyan: #78d7ff;
  --green: #61e5ad;
  --yellow: #ffd07a;
  --red: #ff8e9b;
  --content: min(1180px, calc(100vw - 48px));
  --radius-lg: 28px;
  --radius-md: 18px;
  --radius-sm: 12px;
  --shadow-blue: 0 30px 90px rgba(49, 70, 220, 0.28);
  --scene-progress: 0;
  color-scheme: dark;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  overflow-x: hidden;
  background:
    radial-gradient(circle at 78% 4%, rgba(80, 103, 244, 0.13), transparent 29rem),
    radial-gradient(circle at 4% 34%, rgba(69, 168, 218, 0.08), transparent 30rem),
    var(--ink);
  color: var(--text);
  font-family: "Manrope", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

::selection { background: rgba(120, 215, 255, 0.32); color: var(--text); }

a { color: inherit; text-decoration: none; }

button, a { -webkit-tap-highlight-color: transparent; }

a:focus-visible, button:focus-visible {
  outline: 3px solid var(--cyan);
  outline-offset: 4px;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.section-shell { width: var(--content); margin-inline: auto; }

.site-header {
  position: sticky;
  z-index: 20;
  top: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: var(--content);
  margin-inline: auto;
  padding: 18px 0;
  border-bottom: 1px solid transparent;
  transition: background 240ms ease, border-color 240ms ease;
}

.site-header.is-scrolled {
  border-color: var(--line);
  background: rgba(8, 11, 18, 0.72);
  -webkit-backdrop-filter: blur(18px);
  backdrop-filter: blur(18px);
}

.brand, .footer-brand { display: inline-flex; align-items: center; gap: 10px; font-size: 18px; font-weight: 800; letter-spacing: -0.06em; }
.brand img { width: 34px; height: 34px; object-fit: contain; }
.desktop-nav { display: flex; align-items: center; gap: 28px; margin-left: 80px; color: var(--muted); font-size: 13px; font-weight: 600; }
.header-actions { display: flex; align-items: center; gap: 18px; }
.desktop-nav a, .header-support-link, .header-link, .text-link { transition: color 180ms ease; }
.desktop-nav a:hover, .header-support-link:hover, .header-link:hover, .text-link:hover { color: var(--text); }
.header-support-link { color: var(--muted); font-size: 13px; font-weight: 700; }
.header-link { color: var(--accent-bright); font-size: 13px; font-weight: 700; }
.header-link[aria-disabled="true"] { cursor: not-allowed; opacity: 0.7; }

.hero { position: relative; display: grid; grid-template-columns: 0.95fr 1.05fr; align-items: center; min-height: 760px; padding: 96px 0 130px; gap: 30px; }
.hero-copy { position: relative; z-index: 2; max-width: 620px; }
.eyebrow, .feature-index, .small-label, .card-kicker, .ui-label, .review-prompt, .step-number { color: var(--accent-bright); font-family: "DM Mono", monospace; font-size: 11px; letter-spacing: 0.08em; text-transform: uppercase; }
.eyebrow { margin: 0 0 18px; }
h1, h2, h3, p { margin-top: 0; }
h1, h2, h3 { letter-spacing: -0.065em; }
h1 { max-width: 670px; margin-bottom: 24px; font-size: clamp(3.6rem, 7vw, 7.3rem); font-weight: 700; line-height: 0.96; }
.hero-lede { max-width: 560px; margin-bottom: 34px; color: var(--muted); font-size: clamp(1.05rem, 1.7vw, 1.23rem); line-height: 1.65; }
.hero-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 20px; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 13px; min-height: 52px; padding: 14px 20px; border: 1px solid transparent; border-radius: 999px; font-size: 14px; font-weight: 800; letter-spacing: -0.02em; transition: transform 180ms ease, border-color 180ms ease, background 180ms ease; }
.button:hover { transform: translateY(-2px); }
.button-primary { background: linear-gradient(135deg, #6575f3, #4c5bd6); box-shadow: 0 13px 30px rgba(81, 98, 229, 0.25); }
.button-primary:hover { background: linear-gradient(135deg, #7887ff, #5969ec); }
.button-light { background: var(--text); color: var(--ink); }
.button-light:hover { background: #fff; }
.button-full { width: 100%; margin-top: 23px; }
.button[aria-disabled="true"] { cursor: not-allowed; filter: saturate(0.78); }
.button[aria-disabled="true"]:hover { transform: none; }
.text-link { color: var(--muted); font-size: 13px; font-weight: 700; }
.offer-row { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; margin-top: 28px; color: var(--muted-dim); font-size: 12px; }
.offer-pill { display: inline-flex; align-items: center; gap: 7px; padding: 7px 10px; border: 1px solid rgba(97, 229, 173, 0.22); border-radius: 999px; background: rgba(97, 229, 173, 0.08); color: var(--green); font-weight: 700; }
.pulse-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--green); box-shadow: 0 0 0 4px rgba(97, 229, 173, 0.12); }
.offer-note strong { color: var(--text); font-weight: 700; }

.hero-visual { position: relative; display: grid; place-items: center; min-height: 520px; perspective: 1200px; }
.hero-card, .hero-card-back { width: min(390px, 74vw); height: 492px; border-radius: var(--radius-lg); }
.flashcard { position: relative; display: flex; flex-direction: column; padding: 25px; border: 1px solid var(--line-strong); background: linear-gradient(150deg, rgba(30, 40, 62, 0.98), rgba(14, 19, 31, 0.98)); box-shadow: var(--shadow-blue), inset 0 1px 0 rgba(255, 255, 255, 0.08); }
.hero-card { z-index: 2; transform: rotate(5deg) translate3d(calc(var(--scene-progress) * -13px), calc(var(--scene-progress) * 26px), 0); transition: transform 120ms linear; }
.hero-card-back { position: absolute; z-index: 1; transform: rotate(-9deg) translate(-20px, 22px); background: linear-gradient(140deg, rgba(91, 104, 224, 0.35), rgba(29, 40, 67, 0.42)); border-color: rgba(174, 184, 255, 0.15); }
.card-topline { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.language-chip { display: inline-flex; align-items: center; padding: 5px 8px; border-radius: 7px; background: rgba(101, 117, 243, 0.19); color: var(--accent-bright); font-family: "DM Mono", monospace; font-size: 10px; font-weight: 500; letter-spacing: 0.04em; }
.card-kicker { color: var(--muted-dim); font-size: 10px; }
.card-word { margin-top: auto; font-size: clamp(3.3rem, 7vw, 5.5rem); font-weight: 700; letter-spacing: -0.09em; line-height: 0.95; }
.card-hint { margin-top: 15px; color: var(--muted); font-size: 14px; }
.card-divider, .review-divider, .price-rule { height: 1px; background: var(--line); }
.card-divider { margin: 28px 0 20px; }
.card-answer-preview { display: grid; gap: 7px; color: var(--text); font-size: 13px; line-height: 1.5; }
.small-label { color: var(--cyan); font-size: 10px; }
.card-footer-line { display: flex; justify-content: space-between; margin-top: auto; padding-top: 18px; border-top: 1px solid var(--line); color: var(--muted-dim); font-family: "DM Mono", monospace; font-size: 10px; text-transform: uppercase; }
.mini-arrow { color: var(--cyan); font-size: 16px; }
.orbit { position: absolute; border: 1px solid rgba(120, 215, 255, 0.2); border-radius: 50%; transform: rotate(-22deg); pointer-events: none; }
.orbit-one { width: 560px; height: 220px; border-color: rgba(120, 215, 255, 0.21); transform: rotate(-31deg) translate(12px, -10px); }
.orbit-two { width: 480px; height: 160px; border-color: rgba(101, 117, 243, 0.3); transform: rotate(44deg) translate(18px, 14px); }
.floating-label { position: absolute; z-index: 3; padding: 8px 10px; border: 1px solid var(--line); border-radius: 999px; background: rgba(13, 17, 28, 0.8); color: var(--muted); font-family: "DM Mono", monospace; font-size: 10px; box-shadow: 0 8px 20px rgba(0, 0, 0, 0.18); }
.label-one { top: 16%; right: 3%; transform: rotate(6deg); }
.label-two { bottom: 17%; left: 3%; transform: rotate(-7deg); }

.marquee-strip { overflow: hidden; width: 100%; border-block: 1px solid var(--line); background: rgba(17, 24, 38, 0.45); }
.marquee-track { display: flex; align-items: center; width: max-content; gap: 28px; padding: 15px 0; color: var(--muted-dim); font-family: "DM Mono", monospace; font-size: 10px; letter-spacing: 0.05em; text-transform: uppercase; animation: drift 35s linear infinite; }
.marquee-track i { color: var(--accent); font-style: normal; }
@keyframes drift { to { transform: translateX(-50%); } }

.journey { padding: 170px 0; }
.section-intro { max-width: 600px; }
.section-intro h2, .split-intro h2, .price-copy h2, .final-card h2 { margin-bottom: 18px; font-size: clamp(2.6rem, 5vw, 5rem); line-height: 0.98; }
.section-intro > p:last-child, .split-intro > p, .price-copy > p:last-child { color: var(--muted); font-size: 1.06rem; }
.journey-layout { display: grid; grid-template-columns: 0.83fr 1.17fr; align-items: center; gap: 60px; margin-top: 80px; }
.journey-steps { display: grid; gap: 14px; }
.journey-step { display: grid; grid-template-columns: 45px 1fr; gap: 16px; padding: 22px 0; border-top: 1px solid var(--line); opacity: 0.42; transition: opacity 300ms ease, transform 300ms ease; }
.journey-step:last-child { border-bottom: 1px solid var(--line); }
.journey-step.is-visible { opacity: 1; transform: translateX(8px); }
.journey-step h3 { margin-bottom: 7px; font-size: 1.2rem; letter-spacing: -0.04em; }
.journey-step p { margin: 0; color: var(--muted); font-size: 14px; line-height: 1.6; }
.step-number { padding-top: 3px; color: var(--muted-dim); }
.journey-step.is-visible .step-number { color: var(--cyan); }
.journey-stage { position: relative; display: grid; place-items: center; min-height: 530px; overflow: hidden; border: 1px solid var(--line); border-radius: var(--radius-lg); background: radial-gradient(circle at 50% 40%, rgba(92, 111, 246, 0.22), transparent 18rem), linear-gradient(145deg, rgba(25, 32, 51, 0.72), rgba(10, 14, 23, 0.78)); }
.stage-glow { position: absolute; width: 280px; height: 280px; border-radius: 50%; background: rgba(93, 118, 246, 0.35); filter: blur(85px); opacity: 0.55; }
.journey-card { z-index: 2; width: min(365px, 70%); height: 420px; transform: rotate(-5deg) translate3d(calc(var(--scene-progress) * 5px), calc(var(--scene-progress) * -28px), 0); transition: transform 120ms linear; }
.journey-card-back { position: absolute; z-index: 1; transform: rotate(9deg) translate(18px, 22px); background: rgba(101, 117, 243, 0.18); box-shadow: none; }
.journey-word { margin-top: auto; font-size: 3.7rem; font-weight: 700; letter-spacing: -0.09em; line-height: 1; }
.review-answer { margin-top: 13px; color: var(--cyan); font-size: 1.25rem; font-weight: 700; }
.example-line { margin: 28px 0 20px; color: var(--muted); font-size: 14px; font-style: italic; }
.review-divider { margin-bottom: 14px; }
.rating-row { display: grid; gap: 6px; width: 100%; margin-top: auto; }
.rating-button, .review-rating { display: flex; align-items: center; justify-content: space-between; gap: 12px; border-radius: 7px; color: var(--text); font-size: 10px; font-weight: 700; }
.rating-button { padding: 7px 10px; }
.rating-button small, .review-rating small { font-size: 9px; font-weight: 600; opacity: 0.9; }
.rating-again { background: #f87171; }
.rating-hard { background: #fbbf24; }
.rating-good { background: #34d399; }
.rating-easy { background: #60a5fa; }
.stage-caption { position: absolute; right: 20px; bottom: 18px; color: var(--muted-dim); font-family: "DM Mono", monospace; font-size: 10px; }

.feature-section { padding: 90px 0 170px; }
.split-intro { display: grid; grid-template-columns: 1.25fr 0.75fr; align-items: end; gap: 80px; max-width: none; }
.split-intro > p { max-width: 300px; margin-bottom: 4px; }
.feature-grid { display: grid; grid-template-columns: repeat(12, 1fr); gap: 14px; margin-top: 70px; }
.feature-card { position: relative; display: flex; flex-direction: column; gap: 24px; min-height: 535px; overflow: hidden; padding: 27px; border: 1px solid var(--line); border-radius: var(--radius-lg); background: linear-gradient(145deg, rgba(25, 33, 54, 0.9), rgba(12, 17, 28, 0.96)); }
.feature-card:nth-child(1) { grid-column: span 7; }
.feature-card:nth-child(2) { grid-column: span 5; }
.feature-card:nth-child(3) { grid-column: span 5; }
.feature-card:nth-child(4) { grid-column: span 7; min-height: 470px; }
.feature-copy { position: relative; z-index: 2; max-width: 345px; }
.feature-index { display: block; margin-bottom: 54px; color: var(--muted-dim); font-size: 10px; }
.feature-copy h3 { margin-bottom: 13px; font-size: clamp(1.75rem, 3vw, 2.7rem); line-height: 1.03; }
.feature-copy p { margin: 0; color: var(--muted); font-size: 14px; line-height: 1.65; }
.fake-add-ui, .fake-generate-ui, .fake-review-ui, .fake-library-ui { position: relative; right: auto; bottom: auto; left: auto; width: 100%; box-sizing: border-box; margin-top: auto; padding: 18px; border: 1px solid var(--line-strong); border-radius: var(--radius-md); background: rgba(8, 11, 18, 0.65); box-shadow: 0 22px 44px rgba(0, 0, 0, 0.24); }
.fake-add-ui { display: grid; gap: 12px; transform: rotate(-3deg) translateY(calc((1 - var(--scene-progress)) * 20px)); transition: transform 120ms linear; }
.fake-generate-ui { display: grid; gap: 10px; transform: rotate(3deg) translateY(calc((1 - var(--scene-progress)) * 20px)); transition: transform 120ms linear; }
.generate-head { display: flex; align-items: center; justify-content: space-between; gap: 10px; padding-bottom: 9px; border-bottom: 1px solid var(--line); color: var(--green); font-family: "DM Mono", monospace; font-size: 9px; text-transform: uppercase; }
.generate-row { display: grid; grid-template-columns: 0.7fr 1.3fr; gap: 10px; padding: 7px 0; border-bottom: 1px solid var(--line); color: var(--muted-dim); font-family: "DM Mono", monospace; font-size: 9px; }
.generate-row strong { color: var(--text); font-family: "Manrope", sans-serif; font-size: 12px; font-weight: 600; }
.generate-save { display: flex; justify-content: space-between; margin-top: 3px; padding: 10px 12px; border-radius: 9px; background: rgba(97, 229, 173, 0.16); color: var(--green); font-size: 12px; font-weight: 800; }
.generate-save b { font-size: 16px; font-weight: 500; }
.ui-label { color: var(--muted-dim); font-size: 9px; }
.typed-word { display: inline-block; padding-bottom: 10px; border-bottom: 1px solid var(--accent); color: var(--text); font-size: 1.55rem; font-weight: 700; letter-spacing: -0.06em; }
.cursor { position: absolute; top: 66px; left: 130px; width: 2px; height: 22px; background: var(--cyan); }
.ui-suggestion { padding: 10px 11px; border-radius: 9px; background: rgba(101, 117, 243, 0.15); color: var(--accent-bright); font-size: 13px; font-weight: 700; }
.ui-suggestion small { float: right; color: var(--muted-dim); font-family: "DM Mono", monospace; font-size: 9px; font-weight: 400; }
.ui-button { display: flex; justify-content: space-between; padding: 10px 12px; border-radius: 9px; background: var(--accent); color: white; font-size: 12px; font-weight: 800; }
.fake-review-ui { display: grid; gap: 18px; transform: rotate(4deg) translateY(calc((1 - var(--scene-progress)) * 8px)); transition: transform 120ms linear; }
.review-count { display: flex; justify-content: space-between; color: var(--muted-dim); font-family: "DM Mono", monospace; font-size: 10px; text-transform: uppercase; }
.review-count b { color: var(--accent-bright); font-weight: 500; }
.review-term { margin-top: 10px; font-size: 2.35rem; font-weight: 700; letter-spacing: -0.08em; }
.review-prompt { color: var(--muted-dim); text-align: center; }
.review-ratings { display: grid; gap: 5px; }
.review-rating { padding: 7px 9px; font-size: 9px; }
.fake-library-ui { display: grid; gap: 9px; transform: translateY(calc((1 - var(--scene-progress)) * 23px)); transition: transform 120ms linear; }
.library-search { padding: 9px 10px; border: 1px solid var(--line); border-radius: 9px; color: var(--muted-dim); font-size: 12px; }
.library-search span { margin-left: 6px; }
.library-row { display: grid; grid-template-columns: 1fr auto; gap: 2px 8px; padding: 10px 0; border-bottom: 1px solid var(--line); }
.library-row b { font-size: 13px; }
.library-row small { color: var(--muted-dim); font-size: 10px; }
.library-row em { grid-column: 2; grid-row: 1 / span 2; align-self: center; padding: 4px 6px; border-radius: 5px; background: rgba(101, 117, 243, 0.15); color: var(--accent-bright); font-family: "DM Mono", monospace; font-size: 8px; font-style: normal; }

.bilingual-section { padding: 0 0 170px; }
.bilingual-card { position: relative; display: grid; grid-template-columns: 1fr 0.82fr; align-items: center; min-height: 480px; overflow: hidden; padding: 55px 7%; border: 1px solid var(--line); border-radius: var(--radius-lg); background: linear-gradient(115deg, rgba(31, 41, 78, 0.88), rgba(17, 24, 39, 0.85)); }
.bilingual-copy { position: relative; z-index: 2; max-width: 570px; }
.bilingual-copy h2 { max-width: 570px; margin-bottom: 20px; font-size: clamp(2.5rem, 4.4vw, 4.2rem); line-height: 0.98; }
.bilingual-title-lead { white-space: nowrap; }
.bilingual-copy > p:not(.eyebrow) { max-width: 520px; color: var(--muted); }
.language-pair { display: flex; align-items: center; gap: 15px; margin-top: 28px; color: var(--text); font-size: 15px; font-weight: 800; }
.language-pair span { padding: 9px 13px; border: 1px solid var(--line-strong); border-radius: 8px; background: rgba(8, 11, 18, 0.35); }
.language-pair b { color: var(--cyan); font-size: 1.2rem; }
.bilingual-art { position: absolute; inset: -20% -4% -20% 54%; transform: rotate(-18deg); }
.big-letter { position: absolute; font-size: clamp(18rem, 35vw, 32rem); font-weight: 800; letter-spacing: -0.17em; line-height: 0.8; opacity: 0.88; }
.letter-e { top: 19%; left: 4%; color: #5b72ed; }
.letter-es { top: 29%; right: 3%; color: #74d5ff; }
.orbit-three { top: 40%; left: 5%; width: 470px; height: 190px; border-color: rgba(255, 255, 255, 0.22); transform: rotate(45deg); }
.orbit-four { top: 15%; left: 20%; width: 420px; height: 160px; border-color: rgba(174, 184, 255, 0.25); transform: rotate(-15deg); }

.price-section { display: grid; grid-template-columns: 1fr 0.75fr; align-items: center; gap: 90px; padding: 20px 0 180px; }
.price-copy { max-width: 600px; }
.price-copy h2 { max-width: 610px; }
.price-card { position: relative; padding: 31px; border: 1px solid rgba(174, 184, 255, 0.32); border-radius: var(--radius-lg); background: linear-gradient(145deg, rgba(42, 51, 112, 0.95), rgba(25, 31, 67, 0.95)); box-shadow: 0 25px 75px rgba(57, 77, 208, 0.2); }
.price-badge { display: inline-flex; padding: 6px 9px; border-radius: 999px; background: rgba(120, 215, 255, 0.13); color: var(--cyan); font-family: "DM Mono", monospace; font-size: 9px; letter-spacing: 0.06em; text-transform: uppercase; }
.price-free-line { margin: 24px 0 0; color: var(--text); font-size: 14px; font-weight: 700; }
.price-amount { display: flex; align-items: flex-start; margin: 10px 0 0; font-size: 6.5rem; font-weight: 700; letter-spacing: -0.12em; line-height: 0.85; }
.price-amount > span { margin-top: 9px; font-size: 2.2rem; letter-spacing: -0.08em; }
.price-cents { align-self: flex-start; margin: 8px 0 0 5px; font-size: 2.1rem; letter-spacing: -0.09em; }
.price-card > p:not(.price-free-line) { margin: 14px 0 23px; color: var(--muted); font-size: 13px; }
.price-rule { background: rgba(255, 255, 255, 0.16); }
.future-price { display: flex; justify-content: space-between; margin-top: 17px; color: var(--muted); font-family: "DM Mono", monospace; font-size: 10px; text-transform: uppercase; }
.future-price strong { color: var(--text); font-weight: 500; }
.price-card small { display: block; margin-top: 16px; color: var(--muted); font-size: 11px; text-align: center; }

.final-cta { padding: 0 0 120px; }
.final-card { position: relative; display: flex; flex-direction: column; align-items: center; overflow: hidden; padding: 90px 25px; border-radius: var(--radius-lg); background: linear-gradient(135deg, #6476f4, #3fafe4); box-shadow: 0 30px 90px rgba(62, 125, 224, 0.25); text-align: center; }
.final-card::before, .final-card::after { position: absolute; width: 540px; height: 170px; border: 1px solid rgba(255, 255, 255, 0.22); border-radius: 50%; content: ""; transform: rotate(-24deg); }
.final-card::before { top: 4%; left: -22%; }
.final-card::after { right: -24%; bottom: 1%; transform: rotate(26deg); }
.final-card > * { position: relative; z-index: 1; }
.final-card img { margin-bottom: 26px; filter: brightness(0) invert(1); }
.final-card .eyebrow { color: rgba(255, 255, 255, 0.78); }
.final-card h2 { max-width: 700px; margin-bottom: 27px; color: white; }
.final-note { margin: 17px 0 0; color: rgba(255, 255, 255, 0.74); font-family: "DM Mono", monospace; font-size: 10px; text-transform: uppercase; }

.site-footer { display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; padding: 23px 0 34px; border-top: 1px solid var(--line); color: var(--muted-dim); font-size: 11px; }
.footer-brand { color: var(--text); font-size: 14px; }
.footer-brand img { width: 24px; height: 24px; object-fit: contain; }
.site-footer p { margin: 0; }
.site-footer > p:nth-child(2) { font-family: "DM Mono", monospace; font-size: 10px; }
.footer-note { justify-self: end; }
.footer-note a { color: var(--accent-bright); }

.support-page { min-height: 100vh; }
.support-main { padding: 110px 0 150px; }
.support-hero { display: grid; grid-template-columns: 0.95fr 1.05fr; align-items: end; gap: 80px; }
.support-hero h1 { max-width: 650px; margin-bottom: 22px; font-size: clamp(3.6rem, 7vw, 6.5rem); }
.support-lede { max-width: 570px; margin: 0; color: var(--muted); font-size: 1.1rem; }
.support-grid { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(280px, 0.75fr); gap: 30px; margin-top: 80px; }
.support-card { padding: clamp(24px, 4vw, 42px); border: 1px solid var(--line-strong); border-radius: var(--radius-lg); background: linear-gradient(145deg, rgba(25, 33, 54, 0.92), rgba(12, 17, 28, 0.96)); box-shadow: 0 25px 75px rgba(57, 77, 208, 0.14); }
.support-card h2 { margin-bottom: 10px; font-size: clamp(2rem, 4vw, 3.3rem); line-height: 1; }
.support-card > p { color: var(--muted); font-size: 14px; }
.support-form { display: grid; gap: 19px; margin-top: 30px; }
.support-form label { display: grid; gap: 8px; color: var(--text); font-size: 12px; font-weight: 700; }
.support-form input, .support-form select, .support-form textarea { width: 100%; border: 1px solid var(--line-strong); border-radius: 10px; background: rgba(8, 11, 18, 0.62); color: var(--text); font: inherit; font-size: 14px; outline: none; }
.support-form input, .support-form select { min-height: 48px; padding: 11px 13px; }
.support-form textarea { min-height: 150px; padding: 13px; resize: vertical; }
.support-form input::placeholder, .support-form textarea::placeholder { color: var(--muted-dim); }
.support-form input:focus, .support-form select:focus, .support-form textarea:focus { border-color: var(--cyan); box-shadow: 0 0 0 3px rgba(120, 215, 255, 0.12); }
.support-form [aria-invalid="true"] { border-color: var(--red); }
.support-form select { appearance: none; background-image: linear-gradient(45deg, transparent 50%, var(--accent-bright) 50%), linear-gradient(135deg, var(--accent-bright) 50%, transparent 50%); background-position: calc(100% - 18px) 21px, calc(100% - 13px) 21px; background-repeat: no-repeat; background-size: 5px 5px, 5px 5px; }
.field-error { min-height: 0; color: var(--red); font-size: 11px; font-weight: 600; }
.field-error:not([data-fs-active]) { display: none; }
.field-error[data-fs-active] { display: block; }
.support-message { display: none; margin: 0 0 18px; padding: 12px 14px; border-radius: 10px; font-size: 13px; }
.support-message[data-fs-active] { display: block; }
.support-message-success { border: 1px solid rgba(97, 229, 173, 0.28); background: rgba(97, 229, 173, 0.11); color: var(--green); }
.support-message-error { border: 1px solid rgba(255, 142, 155, 0.3); background: rgba(255, 142, 155, 0.1); color: #ffb6bf; }
.support-form .button { width: 100%; border: 0; cursor: pointer; }
.support-form .button:disabled { cursor: wait; opacity: 0.65; }
.support-privacy { margin: 0; color: var(--muted-dim); font-size: 11px; line-height: 1.55; }
.support-aside { display: grid; align-content: start; gap: 14px; }
.support-aside-card { padding: 25px; border: 1px solid var(--line); border-radius: var(--radius-md); background: rgba(18, 24, 38, 0.62); }
.support-aside-card h3 { margin-bottom: 9px; font-size: 1.15rem; }
.support-aside-card p { margin: 0; color: var(--muted); font-size: 13px; line-height: 1.65; }
.support-aside-card ul { display: grid; gap: 9px; margin: 0; padding-left: 19px; color: var(--muted); font-size: 13px; }
.support-aside-card li::marker { color: var(--cyan); }
.honeypot { position: absolute; left: -10000px; width: 1px; height: 1px; overflow: hidden; }

[data-motion-scene] { --scene-progress: 0; }
[data-motion-scene].is-visible { --scene-progress: 1; }

@media (max-width: 860px) {
  :root { --content: min(100% - 32px, 680px); }
  .site-header { width: var(--content); }
  .desktop-nav { display: none; }
  .hero { grid-template-columns: 1fr; min-height: auto; padding: 84px 0 110px; }
  h1 { max-width: 620px; font-size: clamp(3.3rem, 12vw, 5.3rem); }
  .hero-visual { min-height: 475px; margin-top: 20px; }
  .journey-layout, .price-section { grid-template-columns: 1fr; gap: 45px; }
  .support-hero, .support-grid { grid-template-columns: 1fr; gap: 38px; }
  .journey-stage { min-height: 500px; }
  .split-intro { grid-template-columns: 1fr; gap: 20px; }
  .split-intro > p { max-width: 520px; }
  .bilingual-card { grid-template-columns: 1fr; min-height: 640px; padding: 42px 8%; }
  .bilingual-title-lead { white-space: normal; }
  .bilingual-art { inset: 48% -5% -16% 28%; opacity: 0.75; }
  .site-footer { grid-template-columns: 1fr 1fr; gap: 18px; }
  .site-footer > p:nth-child(2) { justify-self: end; }
  .footer-note { grid-column: 1 / -1; justify-self: start; }
}

@media (max-width: 560px) {
  :root { --content: calc(100% - 32px); }
  .site-header { padding: 14px 0; }
  .header-link { font-size: 11px; }
  .hero { padding-top: 67px; }
  .hero-actions { align-items: stretch; flex-direction: column; }
  .button { width: 100%; }
  .text-link { text-align: center; }
  .offer-row { align-items: flex-start; flex-direction: column; }
  .hero-visual { min-height: 400px; }
  .hero-card, .hero-card-back { width: min(310px, 82vw); height: 400px; }
  .card-word { font-size: 3.55rem; }
  .floating-label { display: none; }
  .journey, .feature-section { padding-block: 110px; }
  .journey-stage { min-height: 430px; }
  .journey-card { width: min(280px, 77%); height: 350px; }
  .journey-word { font-size: 3rem; }
  .feature-grid { display: grid; grid-template-columns: 1fr; margin-top: 48px; }
  .feature-card, .feature-card:nth-child(1), .feature-card:nth-child(2), .feature-card:nth-child(3), .feature-card:nth-child(4) { grid-column: auto; min-height: 475px; }
  .feature-index { margin-bottom: 38px; }
  .bilingual-section { padding-bottom: 110px; }
  .bilingual-card { min-height: 630px; }
  .bilingual-art { inset: 52% -18% -10% 15%; }
  .big-letter { font-size: 17rem; }
  .price-section { padding-bottom: 110px; }
  .support-main { padding: 75px 0 100px; }
  .support-grid { margin-top: 55px; }
  .price-amount { font-size: 5.3rem; }
  .final-card { padding: 70px 20px; }
  .final-card h2 { font-size: 2.8rem; }
  .site-footer { font-size: 10px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
  .marquee-track { animation: none; transform: none; }
  .hero-card, .journey-card, .fake-add-ui, .fake-generate-ui, .fake-review-ui, .fake-library-ui { transform: none; }
  .journey-step { opacity: 1; transform: none; }
}