/* ==========================================================
   Tips4IELTS: homepage styles
   ========================================================== */

:root {
  --navy: #0f2a4a;
  --navy-2: #163a63;
  --ink: #1b2433;
  --muted: #5b6676;
  --line: #e3e7ee;
  --bg: #ffffff;
  --tint: #f5f7fb;
  --coral: #ff8a5b;
  --coral-dark: #e8693a;
  --listen: #3b82f6;
  --read: #10b981;
  --write: #f59e0b;
  --speak: #a855f7;
  --radius: 16px;
  --shadow: 0 10px 30px rgba(15, 42, 74, 0.08);
  --shadow-lg: 0 24px 60px rgba(15, 42, 74, 0.16);
  --font-head: "Fraunces", Georgia, serif;
  --font-body: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
}

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

html { scroll-behavior: smooth; scroll-padding-top: 80px; }

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

img, svg { display: block; max-width: 100%; }
a { color: inherit; }

h1, h2, h3 { font-family: var(--font-head); line-height: 1.15; margin: 0 0 .5em; color: var(--navy); }
h1 { font-size: clamp(2.2rem, 5vw, 3.6rem); letter-spacing: -0.02em; }
h2 { font-size: clamp(1.8rem, 3.5vw, 2.6rem); letter-spacing: -0.01em; }
h3 { font-size: 1.3rem; }
p { margin: 0 0 1em; }

.container { width: 100%; max-width: 1180px; margin: 0 auto; padding: 0 20px; }
.narrow { max-width: 820px; }

.skip-link {
  position: absolute; left: -999px; top: 8px;
  background: var(--navy); color: #fff; padding: 8px 14px; border-radius: 8px; z-index: 100;
}
.skip-link:focus { left: 8px; }

:focus-visible { outline: 3px solid var(--coral); outline-offset: 3px; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 10px 20px; border-radius: 999px;
  font-weight: 600; font-size: .95rem; text-decoration: none;
  border: 2px solid transparent; cursor: pointer;
  transition: background .2s, color .2s, border-color .2s, transform .15s, box-shadow .2s;
}
.btn:hover { transform: translateY(-1px); }
.btn-lg { padding: 14px 28px; font-size: 1rem; }
.btn-block { width: 100%; }
.btn-primary { background: var(--coral); color: #fff; box-shadow: 0 6px 18px rgba(255, 138, 91, .35); }
.btn-primary:hover { background: var(--coral-dark); }
.btn-outline { border-color: var(--navy); color: var(--navy); background: transparent; }
.btn-outline:hover { background: var(--navy); color: #fff; }
.btn-ghost { color: var(--navy); }
.btn-ghost:hover { background: var(--tint); }

.text-link { color: var(--coral-dark); font-weight: 600; text-decoration: none; }
.text-link:hover { text-decoration: underline; }

.eyebrow {
  text-transform: uppercase; letter-spacing: .12em; font-size: .78rem;
  font-weight: 700; color: var(--coral-dark); margin-bottom: .75em;
}
.eyebrow-light { color: var(--coral); }

/* ---------- Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255, 255, 255, .92);
  backdrop-filter: saturate(160%) blur(10px);
  border-bottom: 1px solid transparent;
  transition: border-color .2s, box-shadow .2s;
}
.site-header.scrolled { border-color: var(--line); box-shadow: 0 2px 12px rgba(15, 42, 74, .05); }

.nav-wrap { display: flex; align-items: center; justify-content: space-between; height: 72px; }

.logo { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; }
.logo-mark {
  width: 36px; height: 36px; border-radius: 10px;
  background: var(--navy); color: var(--coral);
  display: grid; place-items: center;
  font-family: var(--font-head); font-weight: 700; font-size: 1.3rem;
}
.logo-text { font-family: var(--font-head); font-weight: 700; font-size: 1.35rem; color: var(--navy); }
.logo-text .accent { color: var(--coral); }
.logo-light .logo-text { color: #fff; }
.logo-light .logo-mark { background: #fff; }

.primary-nav { display: flex; align-items: center; gap: 28px; }
.primary-nav ul { display: flex; gap: 26px; list-style: none; margin: 0; padding: 0; }
.primary-nav ul a { text-decoration: none; font-weight: 500; color: var(--muted); font-size: .95rem; }
.primary-nav ul a:hover { color: var(--navy); }
.nav-actions { display: flex; gap: 8px; }

.nav-toggle {
  display: none; background: none; border: 0; padding: 8px; cursor: pointer;
  flex-direction: column; gap: 5px;
}
.nav-toggle span { display: block; width: 24px; height: 2px; background: var(--navy); border-radius: 2px; transition: transform .25s, opacity .25s; }
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- Hero ---------- */
.hero {
  padding: 72px 0 96px;
  background:
    radial-gradient(800px 400px at 90% 10%, rgba(255, 138, 91, .14), transparent 60%),
    radial-gradient(700px 400px at 0% 100%, rgba(59, 130, 246, .10), transparent 60%),
    var(--bg);
  overflow: hidden;
}
.hero-grid { display: grid; grid-template-columns: 1.1fr 1fr; gap: 56px; align-items: center; }
.hero h1 em { font-style: italic; color: var(--coral-dark); }
.lead { font-size: 1.15rem; color: var(--muted); max-width: 34em; }
.hero-ctas { display: flex; flex-wrap: wrap; gap: 12px; margin: 28px 0 24px; }
.hero-points { list-style: none; padding: 0; margin: 0; display: flex; flex-wrap: wrap; gap: 8px 22px; color: var(--muted); font-size: .95rem; }
.hero-points li::before { content: "✓"; color: var(--read); font-weight: 700; margin-right: 8px; }

.hero-visual { position: relative; }
.dash-card {
  background: #fff; border-radius: 22px; padding: 26px;
  box-shadow: var(--shadow-lg); border: 1px solid var(--line);
  transform: rotate(1.5deg);
}
.dash-top { display: flex; justify-content: space-between; align-items: center; margin-bottom: 22px; }
.dash-label { font-size: .78rem; color: var(--muted); text-transform: uppercase; letter-spacing: .08em; margin: 0; }
.dash-name { font-family: var(--font-head); font-size: 1.35rem; font-weight: 700; color: var(--navy); margin: 0; }
.band-badge {
  background: var(--navy); color: #fff; border-radius: 14px; padding: 8px 16px; text-align: center; line-height: 1.2;
}
.band-badge span { display: block; font-size: .7rem; opacity: .75; text-transform: uppercase; letter-spacing: .08em; }
.band-badge strong { font-family: var(--font-head); font-size: 1.6rem; color: var(--coral); }

.dash-skills { display: grid; gap: 14px; margin-bottom: 22px; }
.dash-skill { display: grid; grid-template-columns: 12px 80px 1fr 40px; align-items: center; gap: 10px; font-size: .9rem; }
.dash-skill b { font-size: .85rem; color: var(--muted); text-align: right; }
.dot { width: 10px; height: 10px; border-radius: 50%; }
.dot-listen { background: var(--listen); } .dot-read { background: var(--read); }
.dot-write { background: var(--write); } .dot-speak { background: var(--speak); }
.bar { height: 8px; background: var(--tint); border-radius: 99px; overflow: hidden; }
.bar i { display: block; height: 100%; border-radius: 99px; background: var(--navy-2); }
.dash-skill:nth-child(1) .bar i { background: var(--listen); }
.dash-skill:nth-child(2) .bar i { background: var(--read); }
.dash-skill:nth-child(3) .bar i { background: var(--write); }
.dash-skill:nth-child(4) .bar i { background: var(--speak); }

.dash-next { background: var(--tint); border-radius: 14px; padding: 16px; }
.dash-next p:not(.dash-label) { margin: 6px 0 10px; font-size: .95rem; }
.pill { display: inline-block; background: #fff; border: 1px solid var(--line); border-radius: 99px; padding: 3px 12px; font-size: .78rem; color: var(--muted); }

.float-note {
  position: absolute; left: -28px; bottom: -26px;
  display: flex; gap: 12px; align-items: center;
  background: #fff; border-radius: 14px; padding: 12px 16px;
  box-shadow: var(--shadow-lg); border: 1px solid var(--line);
  animation: float 5s ease-in-out infinite;
}
.float-note strong { display: block; font-size: .92rem; color: var(--navy); }
.float-note p { margin: 0; font-size: .8rem; color: var(--muted); }
.check { width: 32px; height: 32px; border-radius: 50%; background: var(--read); color: #fff; display: grid; place-items: center; font-weight: 700; }

@keyframes float { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-8px); } }

/* ---------- Sections ---------- */
.section { padding: 96px 0; }
.section-tint { background: var(--tint); }
.section-head { text-align: center; max-width: 680px; margin: 0 auto 56px; }
.section-head p:not(.eyebrow) { color: var(--muted); font-size: 1.05rem; }

/* Skills */
.skills-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.skill-card {
  --c: var(--navy);
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 28px 24px; border-top: 4px solid var(--c);
  transition: transform .2s, box-shadow .2s;
}
.skill-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.skill-listen { --c: var(--listen); } .skill-read { --c: var(--read); }
.skill-write { --c: var(--write); } .skill-speak { --c: var(--speak); }
.skill-icon {
  width: 48px; height: 48px; border-radius: 12px; margin-bottom: 18px;
  display: grid; place-items: center;
  background: color-mix(in srgb, var(--c) 12%, white);
}
.skill-icon svg { width: 24px; height: 24px; fill: none; stroke: var(--c); stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.skill-card p { color: var(--muted); font-size: .95rem; }
.skill-card ul { list-style: none; padding: 0; margin: 0; font-size: .9rem; }
.skill-card li { padding: 6px 0; border-top: 1px dashed var(--line); }
.skill-card li::before { content: "→"; color: var(--c); margin-right: 8px; font-weight: 700; }

/* Courses */
.course-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.course-card {
  background: #fff; border-radius: var(--radius); padding: 30px;
  border: 1px solid var(--line); display: flex; flex-direction: column;
  transition: transform .2s, box-shadow .2s;
}
.course-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.course-card.featured { border: 2px solid var(--coral); box-shadow: var(--shadow); }
.course-card p { color: var(--muted); }
.course-tag {
  align-self: flex-start; font-size: .75rem; font-weight: 700; text-transform: uppercase; letter-spacing: .08em;
  background: var(--tint); color: var(--navy); padding: 4px 12px; border-radius: 99px; margin-bottom: 16px;
}
.featured .course-tag { background: var(--coral); color: #fff; }
.course-meta { display: flex; gap: 28px; margin: auto 0 20px; padding-top: 16px; border-top: 1px solid var(--line); }
.course-meta dt { font-size: .75rem; color: var(--muted); text-transform: uppercase; letter-spacing: .06em; }
.course-meta dd { margin: 0; font-weight: 700; color: var(--navy); }

/* Steps */
.steps { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 28px; counter-reset: none; position: relative; }
.steps::before {
  content: ""; position: absolute; top: 26px; left: 12%; right: 12%;
  border-top: 2px dashed var(--line); z-index: 0;
}
.steps li { position: relative; z-index: 1; text-align: center; padding: 0 6px; }
.step-num {
  width: 54px; height: 54px; border-radius: 50%; margin: 0 auto 18px;
  display: grid; place-items: center; background: var(--navy); color: #fff;
  font-family: var(--font-head); font-size: 1.4rem; font-weight: 700;
  box-shadow: 0 0 0 8px #fff;
}
.steps li:last-child .step-num { background: var(--coral); }
.steps p { color: var(--muted); font-size: .95rem; }

/* Account (dark) */
.section-dark { background: linear-gradient(135deg, var(--navy), var(--navy-2)); color: #fff; }
.section-dark h2 { color: #fff; }
.lead-light { color: rgba(255, 255, 255, .75); font-size: 1.1rem; }
.account-grid { display: grid; grid-template-columns: 1fr 1.3fr; gap: 56px; align-items: center; }
.feature-list { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.feature-list li {
  background: rgba(255, 255, 255, .06); border: 1px solid rgba(255, 255, 255, .12);
  border-radius: var(--radius); padding: 22px;
}
.feature-list strong { display: block; margin-bottom: 6px; color: var(--coral); font-size: 1.02rem; }
.feature-list span { color: rgba(255, 255, 255, .78); font-size: .93rem; }

/* Plans */
.plan-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; align-items: stretch; }
.plan-card {
  position: relative; background: #fff; border: 1px solid var(--line); border-radius: 20px;
  padding: 34px 30px; display: flex; flex-direction: column;
}
.plan-featured { border: 2px solid var(--navy); box-shadow: var(--shadow-lg); transform: translateY(-8px); }
.plan-flag {
  position: absolute; top: -14px; left: 50%; transform: translateX(-50%);
  background: var(--navy); color: #fff; font-size: .75rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: .08em; padding: 5px 14px; border-radius: 99px;
}
.price { font-family: var(--font-head); font-size: 2.6rem; font-weight: 700; color: var(--navy); margin: 0 0 6px; }
.price span { font-family: var(--font-body); font-size: 1rem; font-weight: 500; color: var(--muted); }
.plan-desc { color: var(--muted); }
.plan-card ul { list-style: none; padding: 0; margin: 0 0 28px; flex: 1; }
.plan-card li { padding: 8px 0; border-top: 1px solid var(--line); font-size: .95rem; }
.plan-card li::before { content: "✓"; color: var(--read); font-weight: 700; margin-right: 10px; }

/* FAQ */
.faq { display: grid; gap: 12px; }
.faq details { background: #fff; border: 1px solid var(--line); border-radius: 14px; padding: 0 22px; }
.faq summary {
  cursor: pointer; list-style: none; padding: 18px 0; font-weight: 600; color: var(--navy);
  display: flex; justify-content: space-between; align-items: center; gap: 16px;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; font-size: 1.5rem; color: var(--coral-dark); transition: transform .2s; line-height: 1; }
.faq details[open] summary::after { transform: rotate(45deg); }
.faq details p { color: var(--muted); padding-bottom: 18px; margin: 0; }

/* CTA */
.cta { padding: 88px 0; background: var(--coral); text-align: center; }
.cta h2 { color: #fff; }
.cta p { color: rgba(255, 255, 255, .9); font-size: 1.1rem; margin-bottom: 28px; }
.cta .btn-primary { background: var(--navy); box-shadow: 0 8px 22px rgba(15, 42, 74, .3); }
.cta .btn-primary:hover { background: var(--navy-2); }

/* Footer */
.site-footer { background: #0b1f38; color: rgba(255, 255, 255, .7); padding: 64px 0 28px; font-size: .93rem; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; }
.footer-blurb { margin-top: 16px; max-width: 28em; }
.site-footer h4 { color: #fff; margin: 0 0 14px; font-size: .95rem; }
.site-footer ul { list-style: none; padding: 0; margin: 0; }
.site-footer li { margin-bottom: 8px; }
.site-footer a { text-decoration: none; }
.site-footer a:hover { color: #fff; }
.footer-bottom { border-top: 1px solid rgba(255, 255, 255, .1); margin-top: 48px; padding-top: 24px; font-size: .82rem; }
.footer-bottom p { margin: 0 0 6px; }
.disclaimer { opacity: .6; }

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  .skills-grid { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(2, 1fr); row-gap: 40px; }
  .steps::before { display: none; }
}

@media (max-width: 900px) {
  .nav-toggle { display: flex; }
  .primary-nav {
    position: absolute; top: 72px; left: 0; right: 0;
    flex-direction: column; align-items: stretch; gap: 16px;
    background: #fff; padding: 20px; border-bottom: 1px solid var(--line);
    box-shadow: var(--shadow);
    display: none;
  }
  .primary-nav.open { display: flex; }
  .primary-nav ul { flex-direction: column; gap: 4px; }
  .primary-nav ul a { display: block; padding: 10px 4px; font-size: 1.05rem; }
  .nav-actions { flex-direction: column; }
  .nav-actions .btn { width: 100%; }

  .hero { padding: 48px 0 72px; }
  .hero-grid, .account-grid { grid-template-columns: 1fr; gap: 48px; }
  .hero-visual { max-width: 480px; margin: 0 auto; width: 100%; }
  .course-grid, .plan-grid { grid-template-columns: 1fr; max-width: 520px; margin: 0 auto; }
  .plan-featured { transform: none; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 600px) {
  .container { padding: 0 16px; }
  .section { padding: 72px 0; }
  .skills-grid, .steps, .feature-list { grid-template-columns: 1fr; }
  .hero-ctas .btn { width: 100%; }
  .dash-card { transform: none; padding: 20px; }
  .dash-skill { grid-template-columns: 10px 70px 1fr 36px; font-size: .85rem; }
  .float-note { left: 8px; bottom: -22px; }
  .footer-grid { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
}

/* ==========================================================
   Inner pages (e.g. Speaking)
   ========================================================== */
.skill-link { display: inline-block; margin-top: 14px; font-size: .92rem; }
.primary-nav ul a[aria-current="page"] { color: var(--navy); font-weight: 600; }

.page-hero {
  padding: 56px 0 64px;
  background:
    radial-gradient(700px 360px at 95% 0%, color-mix(in srgb, var(--speak) 16%, transparent), transparent 65%),
    radial-gradient(600px 320px at 0% 100%, rgba(255, 138, 91, .12), transparent 60%),
    var(--bg);
  border-bottom: 1px solid var(--line);
}
.breadcrumb { font-size: .88rem; color: var(--muted); margin-bottom: 18px; }
.breadcrumb a { color: var(--muted); }
.breadcrumb a:hover { color: var(--navy); }
.page-hero h1 { max-width: 16em; }
.page-hero .lead { max-width: 40em; }
.eyebrow-speak { color: var(--speak); }

.toc { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 26px; padding: 0; list-style: none; }
.toc a {
  display: inline-block; padding: 6px 14px; border-radius: 99px; font-size: .88rem;
  background: #fff; border: 1px solid var(--line); text-decoration: none; color: var(--navy); font-weight: 500;
}
.toc a:hover { border-color: var(--speak); color: var(--speak); }

/* Practice area cards */
.practice-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.practice-grid-3 { grid-template-columns: repeat(3, 1fr); }
.practice-card {
  position: relative; background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 26px 22px; display: flex; flex-direction: column;
}
.practice-card h3 { font-size: 1.15rem; margin-top: 4px; }
.practice-card p { color: var(--muted); font-size: .93rem; flex: 1; }
.practice-abbr {
  width: 44px; height: 44px; border-radius: 12px; display: grid; place-items: center;
  background: color-mix(in srgb, var(--speak) 12%, white); color: var(--speak);
  font-weight: 700; font-size: .9rem; margin-bottom: 14px;
}
.soon {
  align-self: flex-start; font-size: .72rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase;
  color: var(--muted); background: var(--tint); border-radius: 99px; padding: 4px 10px;
}

/* Article content */
.article { display: grid; gap: 72px; }
.article section { scroll-margin-top: 90px; }
.prose { max-width: 760px; }
.prose p { font-size: 1.05rem; color: #333d4d; }
.prose h2 { margin-bottom: .6em; }
.prose a { color: var(--coral-dark); font-weight: 500; }
.prose a:hover { color: var(--navy); }
.ext::after { content: " ↗"; font-size: .85em; }

.stat-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin: 32px 0 8px; max-width: 900px; }
.stat {
  background: var(--tint); border-radius: 14px; padding: 18px; text-align: center;
}
.stat strong { display: block; font-family: var(--font-head); font-size: 1.9rem; color: var(--navy); line-height: 1.1; }
.stat span { font-size: .85rem; color: var(--muted); }

.callout {
  border-left: 4px solid var(--speak); background: color-mix(in srgb, var(--speak) 7%, white);
  border-radius: 0 14px 14px 0; padding: 18px 22px; margin: 24px 0; max-width: 760px;
}
.callout p { margin: 0; font-size: 1rem; }
.callout strong { color: var(--navy); }

/* Downloads */
.downloads { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 14px; margin-top: 22px; max-width: 900px; }
.download {
  display: flex; align-items: center; gap: 14px; padding: 16px 18px;
  background: #fff; border: 1px solid var(--line); border-radius: 14px;
  text-decoration: none; transition: border-color .2s, box-shadow .2s, transform .15s;
}
.download:hover { border-color: var(--coral); box-shadow: var(--shadow); transform: translateY(-2px); }
.file-icon {
  flex: none; width: 42px; height: 50px; border-radius: 6px; background: #fdecea; color: #d93025;
  display: grid; place-items: center; font-size: .7rem; font-weight: 700; letter-spacing: .04em;
}
.download strong { display: block; color: var(--navy); font-size: .97rem; line-height: 1.3; }
.download span { font-size: .82rem; color: var(--muted); }

/* Test format */
.parts { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 28px; }
.part {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 26px 24px;
  border-top: 4px solid var(--speak);
}
.part-label { font-size: .78rem; font-weight: 700; text-transform: uppercase; letter-spacing: .1em; color: var(--speak); }
.part h3 { margin: 6px 0 4px; }
.part-time { font-size: .85rem; color: var(--muted); margin-bottom: 12px; }
.part p:last-child { color: #333d4d; font-size: .97rem; margin: 0; }

/* Video */
.video-block { margin-top: 28px; max-width: 820px; }
.video-frame {
  aspect-ratio: 16 / 9; border-radius: var(--radius); overflow: hidden;
  background: linear-gradient(135deg, var(--navy), var(--navy-2));
  display: grid; place-items: center; color: rgba(255, 255, 255, .8); text-align: center;
}
.video-frame iframe, .video-frame video { width: 100%; height: 100%; border: 0; }
.video-placeholder .play {
  width: 68px; height: 68px; border-radius: 50%; background: var(--coral); margin: 0 auto 12px;
  display: grid; place-items: center; color: #fff; font-size: 1.6rem; padding-left: 5px;
}
.video-block figcaption { font-size: .9rem; color: var(--muted); margin-top: 12px; }

/* Band table */
.band-table { width: 100%; max-width: 900px; border-collapse: collapse; margin-top: 24px; font-size: .95rem; }
.band-table th, .band-table td { text-align: left; padding: 12px 14px; border-bottom: 1px solid var(--line); vertical-align: top; }
.band-table thead th { font-size: .78rem; text-transform: uppercase; letter-spacing: .08em; color: var(--muted); border-bottom: 2px solid var(--line); }
.band-table td:first-child { width: 64px; }
.band-num {
  display: inline-grid; place-items: center; width: 36px; height: 36px; border-radius: 10px;
  font-family: var(--font-head); font-weight: 700; color: #fff; background: var(--navy);
}
.band-table tr:nth-child(-n+3) .band-num { background: var(--read); }
.band-table tr:nth-child(n+4):nth-child(-n+5) .band-num { background: var(--listen); }
.band-table tr:nth-child(n+6):nth-child(-n+7) .band-num { background: var(--write); }
.band-table tr:nth-child(n+8) .band-num { background: #9aa3b1; }
.band-table td:nth-child(2) { font-weight: 600; color: var(--navy); white-space: nowrap; }
.source { font-size: .85rem; color: var(--muted); margin-top: 10px; }

.criteria { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; margin-top: 22px; max-width: 900px; }
.criteria div { background: var(--tint); border-radius: 14px; padding: 16px 18px; }
.criteria strong { display: block; color: var(--navy); margin-bottom: 4px; }
.criteria span { font-size: .93rem; color: var(--muted); }

@media (max-width: 1024px) {
  .practice-grid:not(.practice-grid-3) { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 900px) {
  .parts, .practice-grid-3 { grid-template-columns: 1fr; }
  .stat-row { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 600px) {
  .practice-grid, .criteria { grid-template-columns: 1fr; }
  .article { gap: 56px; }
  .band-table td:nth-child(2) { white-space: normal; }
  .band-table th, .band-table td { padding: 10px 8px; }
}