:root {
  --bg: #F4ECDD; --paper: #FFFFFF; --ink: #122A2E; --pencil: #1D2A2D; --muted: #4F5F63; --label: #5E6A6D; --faint: #7A7466;
  --teal: #0F5C58; --teal-deep: #0A3533; --teal-soft: #E3EEEB; --on-dark: #CFE3DF;
  --amber: #E8A33D; --amber-soft: #FAEFD8; --amber-ink: #6B4410; --red: #C8412F;
  --serif: "Lora", Georgia, serif; --hand: "Patrick Hand", "Comic Sans MS", cursive;
  --r-pill: 255px 15px 225px 15px / 15px 225px 15px 255px;
  --r-pill2: 15px 225px 15px 255px / 255px 15px 225px 15px;
  --r-card: 30px 22px 28px 20px / 22px 28px 20px 30px;
  --r-card2: 22px 30px 20px 28px / 28px 20px 30px 22px;
  --r-box: 14px 8px 12px 6px / 8px 12px 6px 14px;
  --r-box2: 8px 14px 6px 12px / 12px 6px 14px 8px;
  --r-round: 50% 46% 53% 48% / 47% 52% 48% 53%;
  --wave: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 120 10'%3E%3Cpath d='M0 5C20 1 40 9 60 5S100 1 120 5' fill='none' stroke='%23000' stroke-width='2.2' stroke-linecap='round'/%3E%3C/svg%3E");
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; overflow-x: hidden; background: var(--bg); color: var(--ink); font: 400 17px/1.6 "Be Vietnam Pro", system-ui, -apple-system, "Segoe UI", sans-serif; }
a { color: var(--teal); }
a:hover { color: var(--teal-deep); }
:focus-visible { outline: 3px solid var(--amber); outline-offset: 3px; }
h1, h2, h3 { margin: 0; font-family: var(--serif); font-weight: 600; letter-spacing: -.015em; text-wrap: balance; }
p { margin: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }
.wrap { position: relative; max-width: 1280px; margin: 0 auto; padding: 0 20px; }
section { padding: 64px 0; }
.ic { width: 20px; height: 20px; flex-shrink: 0; fill: none; stroke: currentColor; stroke-width: 2.2; stroke-linecap: round; stroke-linejoin: round; }
.doodle { position: absolute; fill: none; stroke: rgba(29, 42, 45, .38); stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; filter: url(#pencil); pointer-events: none; }

.sketch { position: relative; }
.sketch::after { content: ""; position: absolute; inset: 0; border: 2px solid var(--pencil); border-radius: inherit; filter: url(#pencil); pointer-events: none; }
.tape::before { content: ""; position: absolute; top: -10px; left: 50%; z-index: 2; width: 56px; height: 16px; margin-left: -28px; background: rgba(255, 255, 255, .72); box-shadow: 0 1px 2px rgba(0, 0, 0, .08); transform: rotate(-6deg); }
.hl { background: linear-gradient(transparent 58%, rgba(232, 163, 61, .55) 58%, rgba(232, 163, 61, .55) 90%, transparent 90%); padding: 0 .06em; -webkit-box-decoration-break: clone; box-decoration-break: clone; }
.wavy::after { content: ""; position: absolute; left: 0; right: 0; height: 10px; background: var(--pencil); opacity: .55; -webkit-mask: var(--wave) repeat-x 0 0 / 120px 10px; mask: var(--wave) repeat-x 0 0 / 120px 10px; }

.btn { display: inline-flex; align-items: center; justify-content: center; gap: 10px; min-height: 54px; padding: 0 28px; border-radius: var(--r-pill); box-shadow: 3px 4px 0 var(--pencil); font-size: 16px; font-weight: 700; text-decoration: none; transition: transform .1s, box-shadow .1s; }
.btn:active { transform: translate(2px, 2px); box-shadow: 1px 2px 0 var(--pencil); }
.btn .ic { width: 18px; height: 18px; }
.btn-teal, .btn-teal:hover { background: var(--teal); color: #fff; }
.btn-paper, .btn-paper:hover { background: var(--paper); color: var(--ink); }
.btn-amber, .btn-amber:hover { background: var(--amber); color: var(--ink); }

.eyebrow { display: inline-flex; align-items: center; gap: 8px; font-family: var(--hand); font-size: 21px; line-height: 1; color: var(--teal); transform: rotate(-2deg); transform-origin: left center; }
.eyebrow::before { content: ""; width: 30px; height: 10px; background: currentColor; -webkit-mask: var(--wave) center / 30px 10px no-repeat; mask: var(--wave) center / 30px 10px no-repeat; }
.head, .head-title { display: flex; flex-direction: column; gap: 12px; }
.head { margin-bottom: 36px; }
.head h2, .tutor h2 { font-size: clamp(32px, 3.6vw, 46px); line-height: 1.15; }
.head p { max-width: 480px; font-size: 17px; color: var(--muted); }

.site-header { position: relative; }
.site-header.wavy::after { bottom: -5px; }
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding-top: 14px; padding-bottom: 14px; }
.logo { display: flex; align-items: center; gap: 10px; font-size: 20px; font-weight: 700; letter-spacing: -.02em; color: var(--ink); text-decoration: none; }
.logo:hover { color: var(--ink); }
.logo-img { display: block; height: 1.9em; width: auto; aspect-ratio: 427 / 112; }
.nav { display: flex; align-items: center; gap: 28px; font-size: 15px; font-weight: 600; }
.nav a:not(.btn) { display: none; color: var(--muted); text-decoration: none; }
.nav a:not(.btn):hover { color: var(--ink); text-decoration: underline wavy var(--amber) 2px; text-underline-offset: 6px; }
.nav .btn { min-height: 44px; padding: 0 18px; font-size: 14px; }

.hero { position: relative; overflow: hidden; padding: 40px 0 72px; }
.hero::before, .hero::after { content: ""; position: absolute; border-radius: 50%; pointer-events: none; }
.hero::before { top: -110px; right: -140px; width: 340px; height: 340px; background: rgba(232, 163, 61, .35); }
.hero::after { bottom: 40px; left: -150px; width: 280px; height: 280px; background: rgba(15, 92, 88, .14); }
.hero .wrap { display: grid; gap: 48px; align-items: center; }
.hero-copy { position: relative; display: flex; flex-direction: column; align-items: flex-start; gap: 20px; }
.pill { display: inline-flex; align-items: center; gap: 8px; padding: 4px 14px; border: 1.5px solid var(--pencil); border-radius: var(--r-pill); background: var(--paper); font-size: 13px; font-weight: 700; }
.pill::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--amber); }
.hero h1 { font-size: clamp(38px, 4.4vw, 60px); line-height: 1.1; letter-spacing: -.02em; }
.hero h1 em { font-weight: 500; color: var(--teal); text-decoration: underline wavy var(--amber) 3px; text-decoration-skip-ink: none; text-underline-offset: 10px; }
.lead { max-width: 560px; font-size: 17px; color: var(--muted); text-wrap: pretty; }
.actions { align-self: stretch; display: flex; flex-direction: column; gap: 12px; margin-top: 4px; }
.trust { display: flex; flex-direction: column; gap: 10px; font-size: 15px; font-weight: 600; color: var(--muted); }
.trust li { display: flex; align-items: center; gap: 8px; }
.trust .ic, .checks .ic, .tools .cell .ic, .card-foot .ic { color: var(--teal); stroke-width: 2.6; filter: url(#pencil); }

.visual { position: relative; display: flex; flex-direction: column; width: 100%; max-width: 520px; padding: 22px 6px 0 0; }
.visual-back { position: absolute; top: 44px; left: 16px; right: 6px; bottom: 34px; border-radius: var(--r-card2); background: var(--paper); transform: rotate(4deg); }
.class-card { position: relative; display: flex; flex-direction: column; gap: 14px; padding: 26px 22px 22px; border-radius: var(--r-card); background: var(--paper); box-shadow: 6px 7px 0 var(--pencil); }
.class-card::after { border-width: 2.5px; }
.tag { position: relative; align-self: flex-start; padding: 5px 12px 3px; border-radius: 3px; background: var(--amber-soft); font-family: var(--hand); font-size: 17px; line-height: 1.2; transform: rotate(-3deg); }
.tag::before { width: 40px; margin-left: -20px; top: -9px; }
.class-card h3 { font-size: 23px; line-height: 1.25; letter-spacing: 0; }
.class-card dl { margin: 0; font-size: 14px; }
.class-card dl div { display: flex; justify-content: space-between; gap: 12px; padding: 10px 0; border-top: 1.5px dashed rgba(29, 42, 45, .25); }
.class-card dt { color: var(--muted); }
.class-card dd { max-width: 210px; margin: 0; font-weight: 700; text-align: right; }
.card-foot { display: flex; align-items: center; gap: 10px; padding: 11px 14px; border-radius: var(--r-box2); background: var(--amber-soft); font-size: 14px; font-weight: 700; }
.card-foot::after { border-width: 1.5px; }
.card-foot .ic { width: 18px; height: 18px; }
.sticker { background: var(--paper); box-shadow: 3px 4px 0 var(--pencil); }
.rec { position: absolute; top: 0; right: 10px; z-index: 1; display: flex; align-items: center; gap: 8px; padding: 8px 14px; border-radius: var(--r-pill2); font-size: 13px; font-weight: 700; transform: rotate(4deg); }
.rec > span { width: 9px; height: 9px; border-radius: 50%; background: var(--red); box-shadow: 0 0 0 4px #F7DAD5; }
.notice { position: relative; align-self: flex-end; width: min(290px, 100%); margin: -18px -4px 0 0; display: flex; align-items: flex-start; gap: 12px; padding: 16px 16px 14px; border-radius: var(--r-box); transform: rotate(-2deg); }
.notice-ic { flex-shrink: 0; width: 38px; height: 38px; display: grid; place-items: center; border-radius: var(--r-round); background: var(--teal-soft); color: var(--teal); }
.notice-ic .ic { stroke-width: 2; }
.notice strong { display: block; font-size: 14px; }
.notice p { font-size: 13px; line-height: 1.5; color: var(--muted); }

.cards { display: grid; gap: 22px; }
.card { display: flex; flex-direction: column; gap: 16px; padding: 28px 26px; border-radius: var(--r-card); background: var(--paper); box-shadow: 5px 6px 0 var(--pencil); }
.card:nth-child(2) { border-radius: var(--r-card2); }
.card-top { display: flex; justify-content: space-between; align-items: center; }
.icon-box { flex-shrink: 0; width: 50px; height: 50px; display: grid; place-items: center; border-radius: var(--r-box); background: var(--teal-soft); color: var(--teal); }
.icon-box::after { border-width: 1.5px; }
.icon-box .ic { width: 24px; height: 24px; stroke-width: 2; }
.icon-box.amber { background: var(--amber-soft); color: var(--amber-ink); }
.num { font-family: var(--hand); font-size: 36px; line-height: 1; color: var(--faint); transform: rotate(-6deg); }
.card h3 { font-size: 27px; line-height: 1.2; }
.checks { display: flex; flex-direction: column; gap: 12px; }
.checks li { display: flex; gap: 10px; font-size: 16px; color: var(--muted); }
.checks .ic { margin-top: 2px; }

.tools-sec { background-color: #FBF8F1; background-image: linear-gradient(rgba(15, 92, 88, .08) 1px, transparent 1px), linear-gradient(90deg, rgba(15, 92, 88, .08) 1px, transparent 1px); background-size: 24px 24px; }
.tools { width: 100%; border-collapse: collapse; font-size: 15px; }
.tools th { font-weight: inherit; text-align: left; }
.tool { display: flex; align-items: center; gap: 12px; }
.tool .icon-box { width: 44px; height: 44px; }
.tool .icon-box .ic { width: 22px; height: 22px; }
.tool b { display: block; font-size: 17px; }
.tool small { font-size: 13px; color: var(--muted); }
.badge { display: inline-block; margin-top: 12px; padding: 3px 12px 1px; border-radius: 3px; background: var(--amber); font-family: var(--hand); font-size: 16px; line-height: 1.3; transform: rotate(-3deg); }
.badge::after { border-width: 1.5px; }
.tools td { color: var(--muted); }
.tools .cell .ic { margin-top: 2px; }
.tools .na .ic { color: var(--faint); filter: none; }

.steps { position: relative; display: flex; flex-direction: column; gap: 28px; }
.steps::before { content: ""; position: absolute; top: 28px; bottom: 28px; left: 27px; border-left: 2px dashed rgba(29, 42, 45, .45); }
.steps li { position: relative; display: flex; gap: 16px; }
.step-num { flex-shrink: 0; width: 56px; height: 56px; display: grid; place-items: center; border-radius: var(--r-round); background: var(--paper); box-shadow: 3px 3px 0 var(--pencil); font-family: var(--hand); font-size: 30px; line-height: 1; color: var(--teal); }
.steps li:nth-child(even) .step-num { border-radius: 48% 53% 47% 52% / 53% 47% 52% 48%; }
.steps li:last-child .step-num { background: var(--amber); color: var(--ink); }
.steps li > div { padding-top: 10px; }
.steps h3 { margin-bottom: 6px; font-size: 21px; }
.steps p { font-size: 16px; color: var(--muted); }

.tutor { background-color: var(--teal-deep); background-image: radial-gradient(rgba(255, 255, 255, .07) 1.2px, transparent 1.2px); background-size: 18px 18px; color: #fff; }
.tutor .wrap { display: grid; gap: 36px; align-items: center; }
.tutor-copy { display: flex; flex-direction: column; align-items: flex-start; gap: 20px; }
.tutor .eyebrow { color: var(--amber); }
.tutor h2 { color: #fff; }
.tutor h2 .hl { background: none; color: var(--amber); }
.tutor-copy > p { max-width: 480px; font-size: 17px; color: var(--on-dark); }
.stat { display: flex; align-items: center; gap: 20px; margin: 6px 0 4px; }
.stat b { position: relative; flex-shrink: 0; padding: 12px 16px 8px; border-radius: var(--r-box); background: var(--amber); color: var(--ink); box-shadow: 4px 5px 0 rgba(0, 0, 0, .45); font-family: var(--serif); font-size: 52px; line-height: 1; transform: rotate(-4deg); }
.stat span { max-width: 300px; font-size: 15px; line-height: 1.5; color: var(--on-dark); }
.tutor .btn { align-self: stretch; box-shadow: 4px 5px 0 rgba(0, 0, 0, .45); }
.perks { padding: 6px 22px; border-radius: var(--r-card); background: var(--paper); color: var(--ink); box-shadow: 7px 8px 0 var(--amber); }
.perks li { display: flex; gap: 14px; padding: 18px 0; font-size: 16px; line-height: 1.55; }
.perks li + li { border-top: 1.5px dashed rgba(29, 42, 45, .25); }
.perk-ic { flex-shrink: 0; width: 28px; height: 28px; display: grid; place-items: center; border-radius: var(--r-round); background: var(--amber); color: var(--ink); }
.perk-ic::after { border-width: 1.5px; }
.perk-ic .ic { width: 15px; height: 15px; stroke-width: 3; }

.faq .wrap { display: grid; gap: 28px; align-items: start; }
.faq .head { margin: 0; }
.faq .head p { font-size: 16px; }
.faq-list { display: flex; flex-direction: column; gap: 14px; }
.faq details { padding: 18px 20px; border-radius: var(--r-box); background: var(--paper); box-shadow: 3px 4px 0 var(--pencil); }
.faq details:nth-child(even) { border-radius: var(--r-box2); }
.faq summary { display: flex; justify-content: space-between; align-items: center; gap: 16px; cursor: pointer; list-style: none; font-family: var(--serif); font-size: 18px; font-weight: 600; }
.faq summary::-webkit-details-marker { display: none; }
.faq-ic { flex-shrink: 0; width: 34px; height: 34px; display: grid; place-items: center; border-radius: var(--r-round); background: var(--amber-soft); color: var(--ink); transition: transform .2s; }
.faq-ic::after { border-width: 1.5px; }
.faq-ic .ic { width: 15px; height: 15px; stroke-width: 2.6; }
.faq details[open] .faq-ic { transform: rotate(45deg); }
.faq details p { max-width: 640px; margin-top: 12px; font-size: 16px; color: var(--muted); }

.cta { position: relative; padding: 56px 0 72px; }
.cta-card { position: relative; display: flex; flex-direction: column; align-items: center; gap: 18px; padding: 52px 22px 44px; border-radius: var(--r-card); background: var(--amber); box-shadow: 8px 9px 0 var(--pencil); text-align: center; }
.cta-card::after { border-width: 2.5px; }
.cta-card::before { left: 24%; }
.cta-tape { position: absolute; top: -10px; right: 18%; width: 56px; height: 16px; background: rgba(255, 255, 255, .72); box-shadow: 0 1px 2px rgba(0, 0, 0, .08); transform: rotate(7deg); }
.cta h2 { font-size: clamp(34px, 4vw, 54px); line-height: 1.12; }
.cta .hl { background: linear-gradient(transparent 58%, rgba(255, 255, 255, .75) 58%, rgba(255, 255, 255, .75) 90%, transparent 90%); }
.cta-card > p { max-width: 560px; font-size: 17px; }
.cta .btn { align-self: stretch; min-height: 56px; margin-top: 4px; }
.cta small { font-size: 15px; }
.cta small a { color: var(--ink); font-weight: 700; text-decoration: underline wavy var(--teal) 1.5px; text-underline-offset: 5px; }
.site-footer { position: relative; padding: 30px 0 36px; font-size: 14px; color: var(--muted); }
.site-footer.wavy::after { top: -5px; }
.site-footer .wrap { display: flex; flex-direction: column; align-items: flex-start; gap: 10px; }
.site-footer .logo { font-size: 17px; }

@media (max-width: 959px) {
  .tools thead { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); }
  .tools, .tools tbody, .tools tr, .tools th, .tools td { display: block; }
  .tools tbody { display: flex; flex-direction: column; gap: 16px; }
  .tools tr { position: relative; display: flex; flex-direction: column; gap: 12px; padding: 18px 18px 16px; border-radius: var(--r-box); background: var(--paper); box-shadow: 4px 5px 0 var(--pencil); }
  .tools tr:nth-child(even) { border-radius: var(--r-box2); }
  .tools tr::after { content: ""; position: absolute; inset: 0; border: 2px solid var(--pencil); border-radius: inherit; filter: url(#pencil); pointer-events: none; }
  .tools td { line-height: 1.6; }
  .tools td::before { content: attr(data-label) ": "; font-weight: 700; color: var(--ink); }
  .tools .cell .ic, .tools td.na { display: none; }
}

@media (min-width: 960px) {
  .wrap { padding: 0 40px; }
  section { padding: 104px 0; }
  .site-header .wrap { padding-top: 20px; padding-bottom: 20px; }
  .logo { font-size: 22px; }
  .nav a:not(.btn) { display: inline; }
  .nav .btn { padding: 0 22px; font-size: 15px; }

  .hero { padding: 72px 0 112px; }
  .hero .wrap { grid-template-columns: minmax(0, 620fr) minmax(0, 520fr); gap: 60px; }
  .hero-copy { gap: 28px; }
  .pill { padding: 5px 16px; font-size: 14px; }
  .lead { font-size: 19px; }
  .actions { flex-direction: row; align-self: auto; gap: 14px; margin-top: 0; }
  .actions .btn { min-height: 56px; font-size: 17px; }
  .trust { flex-direction: row; gap: 24px; }
  .visual { justify-self: end; padding-top: 18px; }
  .visual-back { top: 48px; left: 70px; right: 0; bottom: 40px; }
  .class-card { width: 400px; max-width: 80%; gap: 16px; padding: 30px 28px 26px; }
  .class-card h3 { font-size: 25px; }
  .class-card dl div { padding: 11px 0; }
  .rec { right: 0; padding: 10px 16px; font-size: 14px; }
  .notice { width: 300px; margin: -40px 0 0; gap: 14px; padding: 18px 18px 16px; }
  .notice-ic { width: 40px; height: 40px; }
  .notice p { font-size: 14px; }

  .head { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); column-gap: 60px; align-items: end; margin-bottom: 56px; }
  .head-title { gap: 16px; }
  .head p { font-size: 18px; line-height: 1.65; }
  .eyebrow { font-size: 23px; }

  .cards { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 30px; }
  .card { gap: 20px; padding: 36px 32px; }
  .card:nth-child(1) { transform: rotate(-.6deg); }
  .card:nth-child(2) { transform: rotate(.5deg) translateY(10px); }
  .card:nth-child(3) { transform: rotate(-.3deg); }
  .icon-box { width: 54px; height: 54px; }
  .icon-box .ic { width: 26px; height: 26px; }
  .card h3 { font-size: 29px; }
  .checks { gap: 14px; }
  .checks li { gap: 12px; }

  .table-wrap { border-radius: var(--r-box); background: var(--paper); box-shadow: 7px 8px 0 var(--pencil); }
  .table-wrap::after { border-width: 2.5px; }
  .tools { font-size: 16px; }
  .tools th, .tools td { padding: 24px 28px; vertical-align: top; border-top: 1.5px dashed rgba(29, 42, 45, .25); }
  .tools th + td, .tools td + td, .tools thead th + th { border-left: 1.5px dashed rgba(29, 42, 45, .25); }
  .tools thead th { width: 320px; padding: 20px 28px 14px; border-top: 0; border-bottom: 2px solid var(--pencil); font-family: var(--hand); font-size: 20px; color: var(--muted); }
  .tools thead th + th { width: auto; }
  .tools tbody tr:first-child > * { border-top: 0; }
  .tool { gap: 14px; }
  .tool small { font-size: 14px; }
  .tools .cell { display: flex; gap: 10px; line-height: 1.6; }
  .tools .na { color: var(--faint); }

  .steps { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 32px; }
  .steps::before { top: 28px; bottom: auto; left: 28px; right: 28px; border-left: 0; border-top: 2px dashed rgba(29, 42, 45, .45); }
  .steps li { flex-direction: column; gap: 12px; }
  .steps li > div { padding-top: 10px; }
  .steps h3 { margin-bottom: 12px; font-size: 22px; }

  .tutor .wrap { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 80px; }
  .tutor-copy { gap: 24px; }
  .tutor-copy > p { font-size: 18px; line-height: 1.65; }
  .stat b { font-size: 64px; }
  .stat span { font-size: 16px; }
  .tutor .btn { align-self: flex-start; min-height: 56px; font-size: 17px; }
  .perks { padding: 10px 36px; transform: rotate(1deg); }
  .perks li { gap: 16px; padding: 22px 0; font-size: 17px; }

  .faq .wrap { grid-template-columns: 400px minmax(0, 1fr); gap: 80px; }
  .faq .head { display: flex; align-items: flex-start; }
  .faq .head p { font-size: 17px; }
  .faq details { padding: 22px 26px; }
  .faq summary { gap: 24px; font-size: 21px; }
  .faq-ic { width: 38px; height: 38px; }
  .faq details p { margin-top: 14px; font-size: 17px; line-height: 1.65; }

  .cta { padding: 72px 0 104px; }
  .cta-card { gap: 22px; padding: 80px 40px 72px; transform: rotate(-.6deg); }
  .cta-card > p { font-size: 19px; }
  .cta .btn { align-self: center; min-height: 58px; padding: 0 34px; font-size: 17px; }
  .site-footer .wrap { flex-direction: row; justify-content: space-between; align-items: center; }
  .site-footer .logo { font-size: 18px; }
}