/* zyapp.io: tokens mirror apps/mobile/src/theme.ts (C, F, R). */
:root {
  --ink: #1f2340; --ink-soft: #5d6182; --ink-faint: #9a9db5;
  --paper: #fff9f1; --card: #ffffff; --line: #efe5d6;
  --teal: #2f8f83; --teal-dark: #1f6b61; --teal-soft: #d9f2ec;
  --coral: #ff7a59; --coral-dark: #e2553a; --coral-soft: #ffe3da;
  --sun: #ffc94d; --sun-dark: #e0a420; --sun-soft: #fff1c9;
  --lilac: #c7b4f0; --lilac-soft: #efe8ff; --mint: #9fdcc4; --pink: #f7a6ba; --cobalt: #4f7ad6; --cobalt-dark: #3a5fb0;
  --green: #2bb673;
  --r-sm: 12px; --r-md: 18px; --r-lg: 26px; --r-xl: 34px;
  /* spacing scale (form + pricing use only these) */
  --sp-1: 4px; --sp-2: 8px; --sp-3: 12px; --sp-4: 16px; --sp-5: 24px; --sp-6: 32px; --sp-7: 48px;
  --control-h: 52px; --control-pad: 16px; --control-border: 2.5px;
  --shadow: 0 6px 14px rgba(43, 32, 48, .18);
  --shadow-lg: 0 24px 60px -18px rgba(43, 32, 48, .35);
  --display: "Fredoka", ui-rounded, "SF Pro Rounded", system-ui, sans-serif;
  --body: "Nunito", ui-rounded, system-ui, -apple-system, "Segoe UI", sans-serif;
  color-scheme: light;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--paper); color: var(--ink); font: 600 16px/1.5 var(--body); -webkit-font-smoothing: antialiased; overflow-x: hidden; }
img, video, svg { display: block; max-width: 100%; }
a { color: inherit; }
h1, h2, h3 { font-family: var(--display); font-weight: 700; margin: 0; letter-spacing: -.01em; }
p { margin: 0; }
:focus-visible { outline: 3px solid var(--cobalt); outline-offset: 3px; border-radius: 8px; }
[hidden] { display: none !important; }

.wrap { width: 100%; max-width: 1120px; margin: 0 auto; padding: 0 16px; }
.wrap.narrow { max-width: 760px; }
.skip { position: absolute; left: -999px; top: 8px; background: var(--ink); color: #fff; padding: 8px 14px; border-radius: 12px; z-index: 99; }
.skip:focus { left: 8px; }

/* type */
.label { font: 800 12px/1.2 var(--body); letter-spacing: .1em; color: var(--ink-soft); margin-bottom: 10px; }
.label.center, .center { text-align: center; }
h2 { font-size: clamp(30px, 6.4vw, 46px); line-height: 1.08; max-width: 18ch; }
.sub { font-size: 17px; color: var(--ink-soft); max-width: 58ch; margin-top: 14px; }
.fine { font-size: 13px; color: var(--ink-faint); margin-top: 12px; }
.fine a { color: var(--ink-soft); }

/* glyph badge (kit.tsx Glyph) */
.glyph { display: inline-flex; align-items: center; justify-content: center; width: 30px; height: 30px; border-radius: 50%; color: #fff; font: 700 12px/1 var(--display); letter-spacing: .03em; border-bottom: 3px solid rgba(0,0,0,.14); flex: none; }
.glyph.sm { width: 34px; height: 34px; font-size: 15px; }
.glyph.xs { width: 24px; height: 24px; font-size: 10px; border-bottom-width: 2px; }
.g-teal { background: var(--teal); } .g-coral { background: var(--coral); } .g-cobalt { background: var(--cobalt); }
.g-pink { background: var(--pink); } .g-sun { background: var(--sun); color: var(--ink); }

/* chunky 3D button (kit.tsx Button): face over a darker base it presses into */
.btn { --base: var(--teal-dark); --face: var(--teal); display: inline-flex; align-items: center; justify-content: center; gap: 8px; border: 0; cursor: pointer; text-decoration: none;
  font: 600 18px/1 var(--display); letter-spacing: .015em; color: #fff; background: var(--face); padding: 17px 24px; border-radius: var(--r-md);
  box-shadow: 0 6px 0 var(--base); transform: translateY(0); transition: transform .08s ease, box-shadow .08s ease, filter .15s; margin-bottom: 6px; -webkit-tap-highlight-color: transparent; }
.btn:hover { filter: brightness(1.04); }
.btn:active { transform: translateY(4px); box-shadow: 0 2px 0 var(--base); }
.btn[disabled] { opacity: .55; cursor: progress; }
.btn-coral { --face: var(--coral); --base: var(--coral-dark); }
.btn-teal { --face: var(--teal); --base: var(--teal-dark); }
.btn-sun { --face: var(--sun); --base: var(--sun-dark); color: var(--ink); }
.btn-white { --face: #fff; --base: var(--line); color: var(--ink); }
.btn-sm { font-size: 15px; padding: 11px 15px; border-radius: 14px; box-shadow: 0 4px 0 var(--base); margin-bottom: 4px; }
.btn-sm:active { transform: translateY(3px); box-shadow: 0 1px 0 var(--base); }
.btn-block { width: 100%; }
.btn-ghost { font: 800 15px/1 var(--body); color: var(--ink-soft); text-decoration: none; padding: 12px 6px; border-bottom: 2px solid var(--line); }
.btn-ghost:hover { color: var(--ink); border-color: var(--coral); }

/* nav */
.nav { position: sticky; top: 0; z-index: 20; background: rgba(255, 249, 241, .86); backdrop-filter: saturate(1.4) blur(12px); -webkit-backdrop-filter: saturate(1.4) blur(12px); border-bottom: 2px solid transparent; transition: border-color .2s; }
.nav.scrolled { border-color: var(--line); }
.nav-in { display: flex; align-items: center; gap: 20px; height: 64px; }
.logo { font: 700 28px/1 var(--display); letter-spacing: -.04em; text-decoration: none; color: var(--ink); }
.logo span { color: var(--coral); }
.nav-links { display: none; gap: 22px; margin-left: auto; }
.nav-links a { font: 800 14px/1 var(--body); color: var(--ink-soft); text-decoration: none; }
.nav-links a:hover { color: var(--ink); }
.nav .btn { margin-left: auto; }
@media (min-width: 900px) { .nav-links { display: flex; } .nav .btn { margin-left: 8px; } }

/* hero */
.hero { position: relative; overflow: hidden; padding: 28px 0 40px; }
.blob { position: absolute; border-radius: 50%; filter: blur(10px); z-index: 0; pointer-events: none; }
.b1 { width: 560px; height: 560px; right: -160px; top: -120px; background: radial-gradient(circle at 40% 40%, var(--sun-soft), rgba(255, 241, 201, 0) 68%); }
.b2 { width: 520px; height: 520px; left: -220px; bottom: -200px; background: radial-gradient(circle, var(--teal-soft), rgba(217, 242, 236, 0) 66%); }
.hero-in { position: relative; z-index: 1; display: grid; gap: 34px; align-items: center; }
.eyebrow { display: inline-flex; align-items: center; gap: 8px; font: 800 13px/1 var(--body); color: var(--teal-dark); background: var(--teal-soft); padding: 8px 12px; border-radius: 99px; letter-spacing: .02em; }
.dot-live { width: 8px; height: 8px; border-radius: 50%; background: var(--teal); box-shadow: 0 0 0 0 rgba(47, 143, 131, .5); animation: live 2s infinite; }
@keyframes live { 70% { box-shadow: 0 0 0 8px rgba(47, 143, 131, 0); } 100% { box-shadow: 0 0 0 0 rgba(47, 143, 131, 0); } }
.hero h1 { font-size: clamp(40px, 10.4vw, 76px); line-height: 1.02; letter-spacing: -.025em; margin: 16px 0 14px; }
.nw { white-space: nowrap; }
.lede { font-size: 18px; line-height: 1.55; color: var(--ink-soft); max-width: 50ch; }
.hero-cta { display: flex; flex-wrap: wrap; align-items: center; gap: 14px 20px; margin-top: 26px; }
.langs { list-style: none; padding: 0; margin: 26px 0 0; display: flex; flex-wrap: wrap; gap: 10px 18px; }
.langs li { display: inline-flex; align-items: center; gap: 8px; font: 800 14px/1 var(--body); color: var(--ink); }
.langs .soon { color: var(--ink-faint); }
.langs em { font-style: normal; font-size: 11px; letter-spacing: .06em; text-transform: uppercase; background: var(--line); color: var(--ink-soft); padding: 4px 7px; border-radius: 9px; }

.hero-demo { position: relative; justify-self: center; padding: 10px 0 0; }
.phone { position: relative; margin: 0; width: min(300px, 74vw); aspect-ratio: 540 / 1168; border-radius: 48px; padding: 10px; background: var(--ink);
  box-shadow: inset 0 0 0 2px #3a3f66, 0 2px 0 6px rgba(31, 35, 64, .06), var(--shadow-lg); transform: rotate(2deg); }
.phone-screen { width: 100%; height: 100%; object-fit: cover; border-radius: 38px; background: #e9dcc8; }
.island { position: absolute; z-index: 2; top: 18px; left: 50%; width: 76px; height: 21px; margin-left: -38px; border-radius: 12px; background: var(--ink); }
.sticker { position: absolute; z-index: 3; display: flex; align-items: center; gap: 6px; font: 800 13px/1.2 var(--body); background: #fff; color: var(--ink); border-radius: 16px; padding: 9px 12px; box-shadow: var(--shadow); animation: bob 5s ease-in-out infinite; }
.sticker svg { width: 18px; height: 18px; flex: none; }
.s-goal { top: 12%; right: -14px; background: var(--sun); animation-delay: -1s; }
.s-goal svg { fill: var(--ink); }
.s-fix { display: grid; gap: 2px; left: -18px; top: 45%; width: 200px; padding: 12px 14px; border: 2px solid var(--line); animation-delay: -2.5s; }
.s-fix .k { font: 800 10px/1.2 var(--body); letter-spacing: .08em; text-transform: uppercase; color: var(--ink-faint); }
.s-fix .k.teal { color: var(--teal); margin-top: 6px; }
.s-fix s { color: var(--ink-soft); text-decoration-color: var(--coral); text-decoration-thickness: 2px; }
.s-fix b { font: 600 15px/1.25 var(--display); color: var(--teal-dark); }
.s-cards { left: -10px; top: 24%; background: var(--lilac-soft); animation-delay: -3.7s; }
.s-cards svg { fill: none; stroke: var(--cobalt); stroke-width: 2.4; stroke-linecap: round; stroke-linejoin: round; }
@keyframes bob { 0%, 100% { transform: translateY(0) rotate(-1deg); } 50% { transform: translateY(-8px) rotate(1deg); } }
.sound { display: flex; align-items: center; gap: 8px; margin: 22px auto 0; border: 2px solid var(--line); background: #fff; color: var(--ink); font: 800 14px/1 var(--body); padding: 10px 16px 10px 12px; border-radius: 99px; cursor: pointer; box-shadow: 0 3px 0 var(--line); }
.sound:active { transform: translateY(2px); box-shadow: 0 1px 0 var(--line); }
.sound svg { width: 22px; height: 22px; fill: none; stroke: var(--ink); stroke-width: 2.2; stroke-linecap: round; stroke-linejoin: round; }
.sound .spk { fill: var(--coral); stroke: var(--coral); }
.sound .wave { display: none; }
.sound[aria-pressed="true"] .wave { display: block; }
.sound[aria-pressed="true"] .mute { display: none; }
.sound[aria-pressed="true"] { border-color: var(--coral); }

@media (max-width: 520px) {
  .s-fix { left: -8px; width: 168px; padding: 10px 11px; }
  .s-fix b { font-size: 13.5px; }
  .s-goal { right: -6px; }
  .s-cards { left: -8px; }
  .s-fix { top: 48%; }
  .lede { font-size: 17px; }
  .hero-cta { margin-top: 22px; }
  .hero-cta .btn-ghost { display: none; }
  .langs { margin-top: 20px; gap: 8px 14px; }
  .langs .soon { display: none; }
}
@media (min-width: 900px) {
  .hero { padding: 56px 0 72px; }
  .hero-in { grid-template-columns: 1.15fr .85fr; gap: 40px; }
  .phone { width: 318px; }
  .s-fix { left: -150px; }
  .s-goal { right: -60px; }
  .s-cards { left: -78px; top: 22%; }
}

/* scenes marquee */
.scenes { padding: 8px 0 18px; }
.marquee { display: flex; overflow: hidden; -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent); mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent); }
.marquee-track { list-style: none; margin: 0; padding: 4px 0 8px; display: flex; gap: 10px; padding-right: 10px; flex: none; animation: marquee 48s linear infinite; }
.marquee:hover .marquee-track { animation-play-state: paused; }
.marquee-track li { display: inline-flex; align-items: center; gap: 8px; white-space: nowrap; background: #fff; border: 2px solid var(--line); border-radius: 99px; padding: 9px 14px; font: 600 15px/1 var(--display); }
.marquee-track i { width: 10px; height: 10px; border-radius: 50%; }
@keyframes marquee { to { transform: translateX(-100%); } }
.c-teal { background: var(--teal); } .c-sun { background: var(--sun); } .c-coral { background: var(--coral); } .c-lilac { background: var(--lilac); } .c-mint { background: var(--mint); } .c-cobalt { background: var(--cobalt); }

/* sections */
.section { padding: 64px 0; scroll-margin-top: 64px; }
@media (min-width: 900px) { .section { padding: 96px 0; } }

/* steps */
.steps { list-style: none; padding: 0; margin: 40px 0 0; display: grid; gap: 16px; }
@media (min-width: 720px) { .steps { grid-template-columns: 1fr 1fr; } }
@media (min-width: 1080px) { .steps { grid-template-columns: repeat(4, 1fr); } }
.step { background: var(--card); border: 2px solid var(--line); border-radius: var(--r-lg); padding: 18px; display: flex; flex-direction: column; gap: 12px; }
.step > p { color: var(--ink-soft); font-size: 15px; }
.step-head { display: flex; align-items: center; gap: 12px; }
.step h3 { font-size: 22px; line-height: 1.1; }
.tag { font: 800 12px/1.3 var(--body); color: var(--ink-faint); letter-spacing: .04em; text-transform: uppercase; }
.num { width: 42px; height: 42px; border-radius: 50%; display: grid; place-items: center; color: #fff; font: 700 19px/1 var(--display); border-bottom: 3px solid rgba(0,0,0,.15); flex: none; }
.n-teal { background: var(--teal); } .n-coral { background: var(--coral); } .n-cobalt { background: var(--cobalt); } .n-sun { background: var(--sun); color: var(--ink); }
.mock { margin-top: auto; border-radius: var(--r-md); background: var(--paper); border: 2px solid var(--line); padding: 14px; min-height: 196px; }
.mock .k { font: 800 10.5px/1.2 var(--body); letter-spacing: .1em; color: var(--ink-soft); }
.mock-shot { padding: 0; overflow: hidden; height: 214px; background: #f3e4cf; }
.mock-shot img { width: 100%; height: 100%; object-fit: cover; object-position: 50% 92%; }
.mock-learn { position: relative; }
.mock-learn img { object-position: 50% 30%; }
.ml-bubble { position: absolute; left: 10px; right: 10px; bottom: 56px; background: #fff; border-radius: 14px; padding: 8px 10px; font: 600 14px/1.25 var(--display); color: var(--ink); box-shadow: 0 3px 0 rgba(0, 0, 0, .08); }
.ml-who { display: block; width: fit-content; font: 800 9.5px/1 var(--body); background: var(--teal-soft); color: var(--teal-dark); padding: 4px 6px; border-radius: 7px; margin-bottom: 4px; }
.ml-replies { position: absolute; left: 10px; right: 10px; bottom: 10px; display: grid; grid-template-columns: 1fr 1fr; gap: 6px; }
.ml-reply { display: grid; background: #fff; border: 2px solid var(--sun); border-radius: 10px; padding: 4px 7px; font: 800 9.5px/1.25 var(--body); color: var(--ink-soft); }
.ml-reply b { font: 800 11.5px/1.25 var(--body); color: var(--ink); }
.ml-reply.on { background: var(--sun-soft); }
/* results mock */
.res-top { position: relative; display: flex; gap: 12px; align-items: center; }
.ring { width: 64px; height: 64px; transform: rotate(-90deg); flex: none; }
.ring.sm { width: 56px; height: 56px; }
.ring circle { fill: none; stroke-width: 8; }
.ring .trk { stroke: var(--line); }
.ring .val { stroke: var(--coral); stroke-linecap: round; stroke-dasharray: calc(169.6 * var(--v)) 170; }
.ring-n { position: absolute; left: 0; top: 0; width: 64px; height: 64px; display: grid; place-items: center; font: 700 20px/1 var(--display); }
.ring-n.sm { width: 56px; height: 56px; font-size: 15px; }
.stars { display: flex; gap: 2px; }
.stars b { width: 18px; height: 18px; background: var(--sun); clip-path: polygon(50% 0, 62% 35%, 100% 38%, 70% 60%, 80% 100%, 50% 77%, 20% 100%, 30% 60%, 0 38%, 38% 35%); }
.stars b.off { background: var(--line); }
.res-h { font: 700 19px/1.15 var(--display); margin-top: 2px; }
.res-s { font-size: 12.5px; color: var(--ink-soft); }
.bars { display: grid; grid-template-columns: auto 1fr; gap: 9px 10px; align-items: center; margin-top: 16px; font: 800 12px/1 var(--body); color: var(--ink-soft); }
.bars i { height: 8px; border-radius: 4px; background: var(--line); position: relative; overflow: hidden; }
.bars i::after { content: ""; position: absolute; inset: 0 auto 0 0; width: var(--w); background: var(--c); border-radius: 4px; }
/* card mock */
.mock-cards { position: relative; display: grid; place-items: center; padding: 22px 18px 18px; }
.fc { position: relative; z-index: 2; width: 100%; background: #fff; border: 2px solid var(--line); border-radius: var(--r-md); padding: 14px; display: grid; gap: 4px; box-shadow: 0 4px 0 var(--line); }
.fc.back1, .fc.back2 { position: absolute; z-index: 1; width: 86%; height: 60%; top: 14px; }
.fc.back1 { transform: rotate(-4deg); background: var(--lilac-soft); }
.fc.back2 { transform: rotate(5deg); background: var(--teal-soft); top: 10px; }
.fc-t { font: 600 19px/1.2 var(--display); color: var(--ink); margin-top: 4px; }
.fc-e { font-size: 13.5px; color: var(--ink-soft); }
.boxdots { display: flex; gap: 4px; margin-top: 6px; }
.boxdots b { width: 9px; height: 9px; border-radius: 50%; background: var(--line); }
.boxdots b.on { background: var(--cobalt); }
/* goal mock */
.goal-top { position: relative; display: flex; gap: 12px; align-items: center; }
.goal-t { font: 700 17px/1.2 var(--display); margin-top: 3px; }
.cando { list-style: none; padding: 0; margin: 14px 0 0; display: grid; gap: 9px; }
.cando li { position: relative; padding-left: 30px; font: 800 13.5px/1.35 var(--body); color: var(--ink-soft); }
.cando li::before { content: ""; position: absolute; left: 0; top: -1px; width: 18px; height: 18px; border-radius: 50%; border: 2px solid var(--line); background: #fff; }
.cando li.done { color: var(--ink); }
.cando li.done::before { background: var(--green) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M5 12.5l4.5 4.5L19 7.5' fill='none' stroke='%23fff' stroke-width='3.4' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/14px no-repeat; border-color: var(--green); }

/* cast */
.cast-sec { background: linear-gradient(180deg, var(--paper), #fdf1e2 40%, var(--paper)); }
/* eight cards, one row of personalities: 2 columns on phones, 4 on desktop. Portraits stay small (head and shoulders). */
.cast-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--sp-3); margin-top: var(--sp-6); }
@media (min-width: 760px) { .cast-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); gap: var(--sp-4); } }
.who { --tint: var(--teal-soft); background: #fff; border: 2px solid var(--line); border-radius: var(--r-lg); overflow: hidden; display: flex; flex-direction: column; transition: transform .25s cubic-bezier(.34, 1.56, .64, 1); }
.who:hover { transform: translateY(-4px) rotate(-.5deg); }
.who-pic { position: relative; background: radial-gradient(120% 90% at 50% 100%, #fff 0%, var(--tint) 70%); aspect-ratio: 6 / 5; overflow: hidden; }
.who-pic img { position: absolute; left: 50%; top: 6%; width: 92%; max-width: none; height: auto; transform: translateX(-50%); }
.who-tag-top { position: absolute; z-index: 1; top: var(--sp-2); left: var(--sp-2); font: 800 10.5px/1 var(--body); letter-spacing: .06em; text-transform: uppercase; background: var(--ink); color: #fff; padding: 5px 7px; border-radius: 8px; }
.who-b { padding: var(--sp-3) var(--sp-3) var(--sp-4); display: grid; gap: var(--sp-1); align-content: start; }
@media (min-width: 760px) { .who-b { padding: var(--sp-4) var(--sp-4) var(--sp-5); gap: 6px; } }
.who h3 { font-size: 22px; line-height: 1.05; }
.who-role { font: 800 12px/1.3 var(--body); letter-spacing: .02em; color: var(--teal-dark); }
.who p:not(.who-role) { font-size: 14px; line-height: 1.45; color: var(--ink-soft); margin-top: 2px; }
.c-teal-bg { --tint: var(--teal-soft); } .c-cobalt-bg { --tint: #dfe7fa; } .c-sun-bg { --tint: var(--sun-soft); } .c-pink-bg { --tint: #fde3ea; }
.c-coral-bg { --tint: var(--coral-soft); } .c-mint-bg { --tint: #dcf3ea; } .c-lilac-bg { --tint: var(--lilac-soft); }

/* IELTS */
.ielts { display: grid; gap: 28px; background: var(--cobalt); color: #fff; border-radius: var(--r-xl); padding: 32px 22px; position: relative; overflow: hidden; }
.ielts::before { content: ""; position: absolute; width: 380px; height: 380px; border-radius: 50%; right: -120px; top: -140px; background: rgba(255, 255, 255, .08); }
.ielts h2 { color: #fff; max-width: 16ch; }
.ielts-copy > p { color: rgba(255, 255, 255, .86); margin: 14px 0 20px; max-width: 52ch; font-size: 17px; }
.label.on-cobalt { color: var(--sun); }
.parts { list-style: none; margin: 0 0 26px; padding: 0; display: grid; gap: 10px; }
.parts li { display: grid; grid-template-columns: 62px 1fr; align-items: center; gap: 10px; font: 800 15px/1.35 var(--body); }
.pt { text-align: center; font: 700 13px/1 var(--display); background: rgba(255, 255, 255, .16); padding: 7px 10px; border-radius: 10px; letter-spacing: .02em; }
.parts em { display: inline-block; vertical-align: 1px; margin-left: 4px; font-style: normal; font: 800 10.5px/1 var(--body); letter-spacing: .08em; text-transform: uppercase; padding: 5px 7px; border-radius: 8px; background: rgba(255, 255, 255, .14); color: rgba(255, 255, 255, .8); }
.parts em.ok { background: var(--mint); color: var(--ink); }
.ielts-mock { position: relative; display: grid; gap: 12px; align-content: center; }
.exam-room { margin: 0; border-radius: var(--r-lg); overflow: hidden; aspect-ratio: 4 / 3; background: #2b3a55; box-shadow: 0 6px 0 rgba(0, 0, 0, .12); }
.exam-room img { width: 100%; height: 100%; object-fit: cover; object-position: 50% 8%; }
.exam-room + .bubble { margin: -64px 0 0 12px; position: relative; }
/* exam packs strip (matches the pricing card's exam select) */
.packs-strip { margin-top: var(--sp-6); }
.packs-head { display: grid; gap: var(--sp-2); margin-bottom: var(--sp-4); }
.packs-head h3 { font-size: 26px; line-height: 1.1; }
.packs-head p { color: var(--ink-soft); max-width: 60ch; }
@media (min-width: 900px) { .packs-head { grid-template-columns: auto 1fr; align-items: baseline; gap: var(--sp-5); } }
.packs { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--sp-3); }
@media (min-width: 900px) { .packs { grid-template-columns: repeat(4, minmax(0, 1fr)); gap: var(--sp-4); } }
.pk { background: #fff; border: 2px solid var(--line); border-radius: var(--r-lg); padding: var(--sp-4); display: flex; flex-direction: column; gap: var(--sp-2); }
.pk .glyph { margin-bottom: var(--sp-1); }
.pk h4 { margin: 0; font: 700 18px/1.15 var(--display); }
.pk p { font-size: 14px; line-height: 1.45; color: var(--ink-soft); }
.pk-link { margin-top: auto; padding-top: var(--sp-2); font: 800 14px/1 var(--body); color: var(--cobalt-dark); text-decoration: none; }
.pk-link::after { content: " →"; }
.pk-link:hover { text-decoration: underline; }
.bubble { background: #fff; color: var(--ink); border-radius: var(--r-md); padding: 14px 16px; font: 600 17px/1.35 var(--display); max-width: 92%; box-shadow: 0 6px 0 rgba(0, 0, 0, .12); }
.bubble.q { justify-self: start; border-bottom-left-radius: 6px; }
.bubble.a { justify-self: end; background: var(--coral-soft); border-bottom-right-radius: 6px; }
.bubble.tip { justify-self: stretch; max-width: 100%; background: var(--sun-soft); font: 800 14.5px/1.45 var(--body); }
.bubble.tip b { font-weight: 800; color: var(--teal-dark); }
.bubble .k { display: block; font: 800 10.5px/1.2 var(--body); letter-spacing: .1em; color: var(--sun-dark); margin-bottom: 4px; }
.who-tag { display: block; width: fit-content; font: 800 11.5px/1 var(--body); background: var(--teal-soft); color: var(--teal-dark); padding: 5px 8px; border-radius: 9px; margin-bottom: 8px; }
@media (min-width: 900px) { .ielts { grid-template-columns: 1.2fr .8fr; padding: 56px; gap: 48px; } .ielts h2 { max-width: 20ch; } }

/* section heading, centred */
.section-head.center { text-align: center; }
.section-head.center h2, .section-head.center .sub { margin-left: auto; margin-right: auto; }
.section-head.center h2 { max-width: 20ch; }

/* pricing */
.billing { display: flex; width: fit-content; margin: var(--sp-6) auto 0; padding: var(--sp-1); gap: var(--sp-1); background: #fff; border: 2px solid var(--line); border-radius: 99px; }
.seg { display: inline-flex; align-items: center; gap: var(--sp-2); height: 44px; padding: 0 var(--sp-5); border: 0; border-radius: 99px; background: transparent; color: var(--ink-soft); font: 800 15px/1 var(--body); cursor: pointer; }
.seg[aria-pressed="true"] { background: var(--ink); color: #fff; }
.seg .save { font: 800 11px/1 var(--body); letter-spacing: .04em; text-transform: uppercase; background: var(--mint); color: var(--ink); padding: 5px 7px; border-radius: 8px; }
.plans { display: grid; gap: var(--sp-6); max-width: 520px; margin: var(--sp-6) auto 0; }
@media (min-width: 980px) { .plans { grid-template-columns: repeat(3, 1fr); max-width: 1088px; gap: var(--sp-5); align-items: stretch; } }
.plans[data-show="yearly"] .only-monthly, .plans[data-show="monthly"] .only-yearly { display: none; }
/* buy buttons only when checkout is live for this visitor (the Worker sets data-buy-* on <html>) */
.when-pro-on, .when-pack-on { display: none !important; }
html[data-buy-pro="1"] .when-pro-on, html[data-buy-pack="1"] .when-pack-on { display: revert !important; }
html[data-buy-pro="1"] .when-pro-off, html[data-buy-pack="1"] .when-pack-off { display: none !important; }
html[data-buy-pro="1"] .btn.when-pro-on, html[data-buy-pack="1"] .btn.when-pack-on { display: inline-flex !important; }
.plan { --plan-pad: var(--sp-5); position: relative; background: #fff; border: 2px solid var(--line); border-radius: var(--r-lg); padding: var(--sp-6) var(--plan-pad) var(--plan-pad); display: flex; flex-direction: column; gap: var(--sp-5); }
@media (min-width: 900px) { .plan { --plan-pad: var(--sp-6); padding-top: 40px; } }
.plan.pro { border: 2.5px solid var(--teal); box-shadow: var(--shadow-lg); }
.plan-top { display: grid; gap: var(--sp-3); }
.plan-n { font: 700 22px/1 var(--display); }
.price { display: flex; align-items: baseline; gap: var(--sp-2); font: 700 46px/1 var(--display); letter-spacing: -.02em; }
.price small { font: 800 14px/1 var(--body); color: var(--ink-soft); letter-spacing: 0; }
.alt { font-size: 14.5px; line-height: 20px; color: var(--ink-soft); }
.alt b { color: var(--ink); }
.ticks { list-style: none; padding: var(--sp-5) 0 0; margin: 0; display: grid; gap: var(--sp-3); border-top: 2px dashed var(--line); }
.ticks li { position: relative; padding-left: 30px; font-size: 15px; line-height: 1.4; }
.ticks li::before { content: ""; position: absolute; left: 0; top: 1px; width: 19px; height: 19px; border-radius: 50%; background: var(--teal-soft) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M5 12.5l4.5 4.5L19 7.5' fill='none' stroke='%231f6b61' stroke-width='3.4' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/13px no-repeat; }
.plan-foot { margin-top: auto; display: grid; gap: var(--sp-3); justify-items: center; text-align: center; }
.founding { font-size: 14px; line-height: 1.45; color: var(--ink-soft); background: var(--teal-soft); border-radius: var(--r-sm); padding: var(--sp-3) var(--sp-4); text-align: left; width: 100%; }
.founding b { color: var(--teal-dark); }
.pack-pick .flabel { font-size: 15px; margin-bottom: var(--sp-2); }
.pack-pick select { --control-h: 48px; font-size: 16px; }
.price-fine { text-align: center; font-size: 13px; color: var(--ink-faint); margin-top: var(--sp-5); }
.price-fine .err { display: block; margin-top: var(--sp-2); }
.price-fine .err:empty { display: none; }
.plan-foot .btn { margin-bottom: 6px; padding-left: var(--sp-4); padding-right: var(--sp-4); font-size: 17px; white-space: nowrap; }
.plan .btn-white { box-shadow: inset 0 0 0 2.5px var(--line), 0 6px 0 var(--line); }
.plan .btn-white:active { box-shadow: inset 0 0 0 2.5px var(--line), 0 2px 0 var(--line); }
.plan-note { font: 800 14px/20px var(--body); color: var(--ink-faint); text-align: center; }
.plan-note.link { color: var(--ink-soft); }
.plan-note.link:hover { color: var(--ink); }
.ribbon { position: absolute; top: -14px; left: var(--plan-pad); background: var(--teal); color: #fff; font: 800 11.5px/1 var(--body); letter-spacing: .06em; text-transform: uppercase; padding: 8px 11px; border-radius: 10px; }

/* join */
.join-sec { background: radial-gradient(1000px 500px at 85% 30%, var(--coral-soft), rgba(255, 227, 218, 0) 70%), radial-gradient(800px 500px at 0% 100%, var(--teal-soft), rgba(217, 242, 236, 0) 70%); }
.join { display: grid; gap: var(--sp-6); align-items: start; }
@media (min-width: 900px) { .join { grid-template-columns: .9fr 1.1fr; gap: 56px; } .join-copy { position: sticky; top: 110px; } }
.perks { list-style: none; padding: 0; margin: var(--sp-5) 0 0; display: grid; gap: var(--sp-3); }
.perks li { display: flex; align-items: center; gap: var(--sp-3); font: 800 15.5px/1.35 var(--body); }

/* the sign-up sheet: one rhythm. label → control: --f-label; field → field: --f-field */
.sheet { --sheet-pad: 20px; --f-label: var(--sp-2); --f-field: var(--sp-5); --f-chip: var(--sp-2);
  background: var(--paper); border-radius: var(--r-xl); padding: var(--sp-3) var(--sheet-pad) var(--sheet-pad); box-shadow: var(--shadow-lg); border: 2px solid #fff; }
@media (min-width: 900px) { .sheet { --sheet-pad: var(--sp-6); --f-field: 28px; } }
.grabber { width: 44px; height: 5px; border-radius: 3px; background: var(--line); margin: 0 auto var(--sp-5); }
form { display: grid; gap: var(--f-field); }
fieldset { border: 0; padding: 0; margin: 0; min-width: 0; }
.field { display: block; }
.field-group { display: grid; gap: var(--f-field); }
/* <legend> can't be a grid/flex item, so the label gap is a margin on every label instead */
.flabel { display: block; float: none; width: 100%; margin: 0 0 var(--f-label); padding: 0; font: 600 17px/1.25 var(--display); color: var(--ink); }
.hint { font: 800 11px/1 var(--body); letter-spacing: .06em; text-transform: uppercase; color: var(--ink-faint); margin-left: var(--sp-2); vertical-align: 1px; white-space: nowrap; }
input[type="email"], select, #share-url { display: block; width: 100%; height: var(--control-h); font: 600 18px/1.2 var(--display); color: var(--ink); background: #fff; border: var(--control-border) solid var(--line); border-radius: var(--r-md); padding: 0 var(--control-pad); outline: none; transition: border-color .15s; appearance: none; -webkit-appearance: none; }
select { background: #fff url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M6 9l6 6 6-6' fill='none' stroke='%235d6182' stroke-width='2.6' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") right 14px center/20px no-repeat; padding-right: 44px; }
input[type="email"]:focus, select:focus { border-color: var(--teal); }
input::placeholder { color: var(--ink-faint); }
.field.bad input[type="email"] { border-color: var(--coral); }
/* option groups: a grid that lines up with the full-width inputs above and below */
.chips { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: var(--f-chip); }
.chips.two { grid-template-columns: 1fr 1fr; }
.chips.col { grid-template-columns: 1fr; }
.chip { position: relative; cursor: pointer; min-width: 0; }
.chip input { position: absolute; opacity: 0; inset: 0; margin: 0; cursor: pointer; }
.chip > span { display: flex; align-items: center; gap: var(--sp-2); height: 100%; min-height: var(--control-h); padding: var(--sp-2) var(--sp-3) var(--sp-2) var(--control-pad); border: var(--control-border) solid var(--line); border-radius: var(--r-md); background: #fff; font: 800 15px/1.2 var(--body); color: var(--ink); transition: transform .1s, border-color .15s, background-color .15s; user-select: none; }
.chip:hover > span { border-color: #e2d4bf; }
.chip:active > span { transform: scale(.97); }
.chip input:checked + span { border-color: var(--teal); background: #eef7f5; }
.chip input:checked + span::after { content: ""; margin-left: auto; width: 20px; height: 20px; flex: none; border-radius: 50%; background: var(--teal) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M5 12.5l4.5 4.5L19 7.5' fill='none' stroke='%23fff' stroke-width='3.4' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/13px no-repeat; }
.chip input:focus-visible + span { outline: 3px solid var(--cobalt); outline-offset: 2px; }
.field.bad .chip > span { border-color: var(--coral-soft); }
.err { font: 800 13.5px/1.3 var(--body); color: var(--coral-dark); margin-top: var(--f-label); }
.err:empty { display: none; }
.hp { position: absolute !important; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.form-foot { display: grid; gap: var(--sp-3); margin-top: var(--sp-2); }
.form-foot .err { margin-top: 0; }
.form-foot .fine { text-align: center; margin-top: 0; }

/* success */
.success { display: grid; gap: var(--sp-5); padding: var(--sp-2) 0 0; animation: pop .5s cubic-bezier(.34, 1.56, .64, 1); }
.success:focus { outline: none; }
.done-head { display: grid; justify-items: center; text-align: center; gap: var(--sp-3); }
.done-head .label { margin: var(--sp-2) 0 0; }
.done-badge { width: 72px; height: 72px; border-radius: 50%; background: var(--green); display: grid; place-items: center; border-bottom: 4px solid rgba(0, 0, 0, .15); }
.done-badge svg { width: 38px; height: 38px; fill: none; stroke: #fff; stroke-width: 3.2; stroke-linecap: round; stroke-linejoin: round; }
.done-h { font-size: clamp(26px, 7vw, 32px); line-height: 1.12; max-width: 20ch; text-wrap: balance; }
.done-s { color: var(--ink-soft); max-width: 40ch; text-wrap: pretty; }
.share { background: #fff; border: 2px solid var(--line); border-radius: var(--r-lg); padding: var(--sp-5) var(--sp-4); display: grid; gap: var(--sp-3); }
@media (min-width: 900px) { .share { padding: var(--sp-5); } }
.share .flabel { margin: 0; }
.share-s { font-size: 14.5px; color: var(--ink-soft); margin-top: calc(var(--sp-2) * -1); }
.share-row { display: grid; grid-template-columns: 1fr auto; gap: var(--sp-2); align-items: start; margin-top: var(--sp-1); }
#share-url { --control-h: 48px; font-size: 15px; padding: 0 var(--sp-3); border-width: 2px; text-overflow: ellipsis; }
.share-row .btn { height: 44px; padding: 0 20px; margin: 0; }
.share-btns { display: grid; grid-template-columns: repeat(auto-fit, minmax(96px, 1fr)); gap: var(--sp-2); }
.sbtn { display: flex; align-items: center; justify-content: center; height: 44px; font: 800 14px/1 var(--body); color: var(--ink); background: var(--paper); border: 2px solid var(--line); border-radius: 12px; padding: 0 var(--sp-4); text-decoration: none; cursor: pointer; }
.sbtn:hover { border-color: var(--teal); }
@keyframes pop { from { opacity: 0; transform: scale(.9) translateY(14px); } to { opacity: 1; transform: none; } }

/* faq */
.faq { margin-top: 32px; display: grid; gap: 10px; }
.faq details { background: #fff; border: 2px solid var(--line); border-radius: var(--r-md); padding: 0 18px; transition: border-color .15s; }
.faq details[open] { border-color: var(--teal); }
.faq summary { cursor: pointer; list-style: none; padding: 17px 34px 17px 0; position: relative; font: 600 18px/1.3 var(--display); }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: ""; position: absolute; right: 0; top: 50%; width: 22px; height: 22px; margin-top: -11px; border-radius: 50%; background: var(--paper) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M6 9l6 6 6-6' fill='none' stroke='%231f2340' stroke-width='2.8' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/16px no-repeat; transition: transform .2s; }
.faq details[open] summary::after { transform: rotate(180deg); }
.faq details p { padding: 0 0 18px; color: var(--ink-soft); }

/* footer */
.footer { border-top: 2px solid var(--line); padding: 36px 0 28px; background: #fbf2e6; }
.foot-in { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 20px; align-items: flex-start; }
.foot-tag { color: var(--ink-soft); margin-top: 6px; }
.foot-links { display: flex; flex-wrap: wrap; gap: 10px 22px; font: 800 14px/1.6 var(--body); color: var(--ink-soft); }
.foot-links a { text-decoration: none; }
.foot-links a:hover { color: var(--ink); }
.foot-fine { margin-top: 24px; display: grid; gap: 6px; font-size: 12.5px; color: var(--ink-faint); }
.foot-fine a { color: inherit; }

/* scroll reveal */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity .6s ease, transform .6s cubic-bezier(.22, 1, .36, 1); }
.reveal.in { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .marquee { overflow-x: auto; }
  .reveal { opacity: 1; transform: none; }
}