/* ==========================================================================
   Phương IELTS — stylesheet
   Static, mobile-first, light + dark, accessible
   ========================================================================== */

/* ---------- Design tokens ---------- */
:root {
  --font: "Be Vietnam Pro", "Segoe UI", system-ui, -apple-system, Roboto,
    "Helvetica Neue", Arial, sans-serif;

  --bg: #f7f4ee;
  --bg-2: #efe9de;
  --surface: #ffffff;
  --surface-2: #f3efe6;
  --ink: #1d2334;
  --ink-2: #565d6f;
  --ink-3: #878d9d;
  --line: #e6e0d4;
  --line-strong: #d6cfbf;

  --accent: #c13a22;
  --accent-soft: #f9e6df;
  --accent-soft-2: #f2d3c8;

  --gold: #a5761b;
  --gold-soft: #f6ecd6;
  --gold-strong: #8a6112;

  --navy: #26304f;

  --btn-bg: #b73a23;
  --btn-bg-hover: #9c2f1b;
  --btn-text: #ffffff;

  --radius: 16px;
  --radius-sm: 10px;
  --radius-lg: 26px;
  --shadow-sm: 0 1px 2px rgba(29, 35, 52, 0.05), 0 3px 10px rgba(29, 35, 52, 0.05);
  --shadow-md: 0 8px 26px rgba(29, 35, 52, 0.09);
  --shadow-lg: 0 18px 50px rgba(29, 35, 52, 0.14);

  --maxw: 1120px;
  --header-h: 72px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #14161f;
    --bg-2: #191c27;
    --surface: #1d202c;
    --surface-2: #232736;
    --ink: #eef0f6;
    --ink-2: #aab0c0;
    --ink-3: #7c8294;
    --line: #2d3242;
    --line-strong: #3a4054;

    --accent: #ff8a6b;
    --accent-soft: #3a241f;
    --accent-soft-2: #4a2c24;

    --gold: #e0b25c;
    --gold-soft: #37301f;
    --gold-strong: #efc47a;

    --navy: #d7dceb;

    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.4), 0 3px 10px rgba(0, 0, 0, 0.35);
    --shadow-md: 0 8px 26px rgba(0, 0, 0, 0.45);
    --shadow-lg: 0 18px 50px rgba(0, 0, 0, 0.55);
  }
}

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

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font);
  font-size: 1rem;
  line-height: 1.7;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

h1,
h2,
h3,
h4 {
  margin: 0 0 0.5em;
  line-height: 1.2;
  letter-spacing: -0.015em;
  font-weight: 700;
  color: var(--ink);
  text-wrap: balance;
}

h1 {
  font-size: clamp(2rem, 1.15rem + 3.4vw, 3.35rem);
  font-weight: 800;
}

h2 {
  font-size: clamp(1.55rem, 1.15rem + 1.6vw, 2.25rem);
}

h3 {
  font-size: 1.16rem;
}

p {
  margin: 0 0 1rem;
}

a {
  color: var(--accent);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

a:hover {
  text-decoration: none;
}

ul,
ol {
  padding-left: 1.25rem;
}

:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 2px;
  border-radius: 4px;
}

::selection {
  background: var(--accent);
  color: #fff;
}

.container {
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: clamp(1.1rem, 3vw, 2rem);
}

.section {
  padding-block: clamp(3.4rem, 7vw, 5.5rem);
}

.section-alt {
  background: var(--bg-2);
}

.section[id],
[id] {
  scroll-margin-top: calc(var(--header-h) + 14px);
}

/* ---------- Shared bits ---------- */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin: 0 0 0.85rem;
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
}

.eyebrow .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  flex: none;
}

.section-head {
  max-width: 640px;
  margin-bottom: clamp(1.8rem, 4vw, 3rem);
}

.section-sub {
  color: var(--ink-2);
  font-size: 1.05rem;
  margin-bottom: 0;
}

.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;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.82rem 1.5rem;
  border-radius: 999px;
  font-family: inherit;
  font-size: 0.98rem;
  font-weight: 600;
  line-height: 1.2;
  cursor: pointer;
  border: 1.5px solid transparent;
  text-decoration: none;
  transition: transform 0.15s ease, background-color 0.15s ease,
    border-color 0.15s ease, box-shadow 0.15s ease, color 0.15s ease;
}

.btn:active {
  transform: translateY(1px);
}

.btn-primary {
  background: var(--btn-bg);
  color: var(--btn-text);
  box-shadow: 0 8px 20px -8px rgba(183, 58, 35, 0.7);
}

.btn-primary:hover {
  background: var(--btn-bg-hover);
  color: var(--btn-text);
}

.btn-secondary {
  background: var(--surface);
  color: var(--ink);
  border-color: var(--line-strong);
}

.btn-secondary:hover {
  border-color: var(--ink-3);
  background: var(--surface-2);
}

.btn-dark {
  background: var(--navy);
  color: #fff;
}

.btn-dark:hover {
  background: var(--ink);
  color: #fff;
}

.btn-lg {
  padding: 1rem 2rem;
  font-size: 1.05rem;
}

.btn-sm {
  padding: 0.6rem 1.15rem;
  font-size: 0.9rem;
}

.btn-block {
  width: 100%;
}

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: color-mix(in srgb, var(--bg) 86%, transparent);
  backdrop-filter: saturate(1.4) blur(10px);
  -webkit-backdrop-filter: saturate(1.4) blur(10px);
  border-bottom: 1px solid var(--line);
}

.header-inner {
  display: flex;
  align-items: center;
  gap: 1rem;
  height: var(--header-h);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  text-decoration: none;
  color: var(--ink);
  font-weight: 800;
  font-size: 1.12rem;
  letter-spacing: -0.01em;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 2.2rem;
  height: 2.2rem;
  border-radius: 10px;
  background: var(--btn-bg);
  color: #fff;
  font-weight: 800;
  font-size: 1.05rem;
  flex: none;
}

.brand em {
  font-style: normal;
  color: var(--accent);
}

.nav {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  margin-left: auto;
}

.nav-link {
  display: inline-flex;
  align-items: center;
  padding: 0.45rem 0.8rem;
  border-radius: 999px;
  color: var(--ink-2);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.95rem;
  transition: color 0.15s ease, background-color 0.15s ease;
}

.nav-link:hover {
  color: var(--ink);
  background: var(--surface-2);
}

.nav-link[aria-current="page"] {
  color: var(--accent);
  background: var(--accent-soft);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin-left: 0.4rem;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 10px;
  background: var(--surface);
  border: 1px solid var(--line-strong);
  border-radius: 12px;
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  height: 2px;
  width: 100%;
  border-radius: 2px;
  background: var(--ink);
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.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-block: clamp(3rem, 7vw, 6rem) clamp(3.5rem, 8vw, 6.5rem);
  overflow: hidden;
  background:
    radial-gradient(48rem 26rem at 110% -10%, var(--accent-soft), transparent 60%),
    radial-gradient(34rem 22rem at -12% 30%, var(--gold-soft), transparent 55%),
    var(--bg);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.25fr 0.75fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
}

.hero-copy .lede {
  font-size: clamp(1.05rem, 1rem + 0.5vw, 1.22rem);
  color: var(--ink-2);
  max-width: 34rem;
  margin-bottom: 1.75rem;
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-bottom: 1.6rem;
}

.hero-points {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem 1.4rem;
  color: var(--ink-2);
  font-size: 0.94rem;
}

.hero-points li {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
}

.hero-points svg {
  width: 18px;
  height: 18px;
  color: var(--accent);
  flex: none;
}

/* Hero portrait */
.hero-media {
  display: flex;
  justify-content: center;
}

.portrait-wrap {
  position: relative;
}

.portrait-wrap::before {
  content: "";
  position: absolute;
  inset: -14px;
  border-radius: 34px;
  background: conic-gradient(
    from 180deg,
    var(--accent-soft-2),
    var(--gold-soft),
    var(--accent-soft-2)
  );
  transform: rotate(-4deg);
  z-index: 0;
}

.portrait-frame {
  position: relative;
  z-index: 1;
  width: clamp(220px, 26vw, 300px);
  aspect-ratio: 1;
  border-radius: 26px;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  border: 5px solid var(--surface);
  background: var(--surface-2);
}

.portrait-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.portrait-chip {
  position: absolute;
  left: -12px;
  bottom: 18px;
  z-index: 2;
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.55rem 0.95rem;
  border-radius: 999px;
  background: var(--surface);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-md);
  font-size: 0.86rem;
  font-weight: 700;
  color: var(--ink);
}

.portrait-chip svg {
  width: 18px;
  height: 18px;
  color: var(--accent);
}

.portrait-note {
  position: absolute;
  right: -8px;
  top: 22px;
  z-index: 2;
  padding: 0.45rem 0.9rem;
  border-radius: 999px;
  background: var(--btn-bg);
  color: #fff;
  font-size: 0.82rem;
  font-weight: 700;
  box-shadow: var(--shadow-md);
  white-space: nowrap;
}

/* ---------- Steps ---------- */
.steps {
  list-style: none;
  counter-reset: step;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
}

.step {
  counter-increment: step;
  position: relative;
  padding: 1.6rem 1.4rem 1.4rem;
  border-radius: var(--radius);
  background: var(--surface);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-sm);
}

.step::before {
  content: counter(step);
  display: grid;
  place-items: center;
  width: 2.4rem;
  height: 2.4rem;
  margin-bottom: 1rem;
  border-radius: 12px;
  background: var(--accent-soft);
  color: var(--accent);
  font-weight: 800;
  font-size: 1.05rem;
}

.step h3 {
  margin-bottom: 0.35rem;
}

.step p {
  margin: 0;
  color: var(--ink-2);
  font-size: 0.95rem;
}

.step .muted {
  font-size: 0.85rem;
  color: var(--ink-3);
}

/* ---------- Pricing ---------- */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem;
  align-items: stretch;
}

.pricing-card {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: clamp(1.6rem, 3vw, 2.2rem);
  border-radius: var(--radius-lg);
  background: var(--surface);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-sm);
}

.pricing-card-featured {
  border-color: var(--accent);
  box-shadow: var(--shadow-md);
}

.pricing-flag {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  padding: 0.35rem 0.95rem;
  border-radius: 999px;
  background: var(--btn-bg);
  color: #fff;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  white-space: nowrap;
}

.chip {
  display: inline-block;
  padding: 0.28rem 0.7rem;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.01em;
}

.chip-dark {
  background: var(--navy);
  color: #fff;
}

.pricing-top h3 {
  margin: 0.7rem 0 0.35rem;
  font-size: 1.3rem;
}

.pricing-desc {
  color: var(--ink-2);
  font-size: 0.96rem;
}

.price {
  display: flex;
  align-items: baseline;
  gap: 0.35rem;
  margin: 0.4rem 0 1.1rem;
}

.price .amount {
  font-size: clamp(1.9rem, 2.5vw, 2.5rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--ink);
}

.price .unit {
  color: var(--ink-2);
  font-weight: 600;
}

.pricing-features {
  list-style: none;
  padding: 0;
  margin: 0 0 1.6rem;
  display: grid;
  gap: 0.65rem;
  flex: 1;
}

.pricing-features li {
  display: flex;
  gap: 0.6rem;
  align-items: flex-start;
  color: var(--ink-2);
  font-size: 0.96rem;
}

.pricing-features svg {
  width: 19px;
  height: 19px;
  flex: none;
  margin-top: 3px;
  color: var(--accent);
}

.pricing-note {
  margin: 1.6rem auto 0;
  max-width: 660px;
  text-align: center;
  color: var(--ink-2);
  font-size: 0.9rem;
  padding: 0.8rem 1.1rem;
  border-radius: 12px;
  background: var(--accent-soft);
  border: 1px dashed var(--accent-soft-2);
}

/* ---------- Sample report teaser ---------- */
.sample-teaser {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
}

.sample-copy .lede {
  color: var(--ink-2);
  font-size: 1.02rem;
}

.sample-preview {
  border-radius: var(--radius-lg);
  background: var(--surface);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-md);
  padding: 1.6rem;
}

.sample-preview-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.1rem;
}

.sample-preview-head strong {
  font-size: 1.05rem;
}

.sample-total {
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
  margin-bottom: 1.1rem;
}

.sample-total .big {
  font-size: 2.6rem;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.sample-total .label {
  color: var(--ink-2);
  font-weight: 600;
}

.sample-bars {
  display: grid;
  gap: 0.6rem;
}

.sample-bar {
  display: grid;
  grid-template-columns: 44px 1fr 42px;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--ink-2);
}

.sample-bar .track {
  height: 8px;
  border-radius: 999px;
  background: var(--surface-2);
  overflow: hidden;
}

.sample-bar .fill {
  height: 100%;
  border-radius: 999px;
  background: var(--accent);
}

.sample-bar .val {
  text-align: right;
  color: var(--ink);
}

/* ---------- Form ---------- */
.submit-form,
.contact-form {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  padding: clamp(1.5rem, 3.5vw, 2.4rem);
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.15rem 1.25rem;
  margin-bottom: 1.5rem;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  min-width: 0;
}

.field-full {
  grid-column: 1 / -1;
}

.field-label {
  font-weight: 600;
  font-size: 0.94rem;
}

.field input,
.field select,
.field textarea {
  width: 100%;
  padding: 0.85rem 1rem;
  border-radius: var(--radius-sm);
  border: 1.5px solid var(--line-strong);
  background: var(--bg);
  color: var(--ink);
  font-family: inherit;
  font-size: 1rem;
  line-height: 1.5;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.field textarea {
  resize: vertical;
  min-height: 180px;
}

.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}

.field input::placeholder,
.field textarea::placeholder {
  color: var(--ink-3);
}

.radio-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.8rem;
}

.radio-card {
  position: relative;
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
  padding: 0.9rem 1rem;
  border-radius: var(--radius-sm);
  border: 1.5px solid var(--line-strong);
  background: var(--bg);
  cursor: pointer;
  font-size: 0.94rem;
  transition: border-color 0.15s ease, background-color 0.15s ease;
}

.radio-card:has(input:checked) {
  border-color: var(--accent);
  background: var(--accent-soft);
}

.radio-card input {
  margin-top: 4px;
  accent-color: var(--accent);
}

.radio-card .rc-label strong {
  display: block;
  font-size: 0.98rem;
}

.radio-card .rc-label span {
  color: var(--ink-2);
  font-size: 0.85rem;
}

.form-hint {
  margin: 1rem 0 0;
  text-align: center;
  color: var(--ink-3);
  font-size: 0.85rem;
}

/* ---------- FAQ ---------- */
.faq-list {
  max-width: 780px;
  margin-inline: auto;
  display: grid;
  gap: 0.8rem;
}

.faq details {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}

.faq summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.1rem 1.4rem;
  cursor: pointer;
  font-weight: 600;
  list-style: none;
}

.faq summary::-webkit-details-marker {
  display: none;
}

.faq summary::after {
  content: "";
  width: 10px;
  height: 10px;
  flex: none;
  border-right: 2px solid var(--ink-3);
  border-bottom: 2px solid var(--ink-3);
  transform: rotate(45deg);
  transition: transform 0.2s ease;
  margin-top: -4px;
}

.faq details[open] summary::after {
  transform: rotate(225deg);
  margin-top: 4px;
}

.faq-body {
  padding: 0 1.4rem 1.25rem;
  color: var(--ink-2);
}

.faq-body p {
  margin: 0;
}

/* ---------- Contact ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: start;
}

.contact-copy .lede {
  color: var(--ink-2);
  font-size: 1.02rem;
}

.zalo-chip {
  display: inline-flex;
  flex-direction: column;
  gap: 0.15rem;
  padding: 0.9rem 1.3rem;
  border-radius: var(--radius);
  background: var(--surface);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-sm);
  color: var(--ink);
  text-decoration: none;
  margin-top: 0.5rem;
}

.zalo-chip .zc-main {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  font-weight: 700;
}

.zalo-chip .zc-main svg {
  width: 22px;
  height: 22px;
  color: var(--accent);
}

.zalo-chip .zc-sub {
  color: var(--ink-3);
  font-size: 0.84rem;
}

/* ---------- Footer ---------- */
.site-footer {
  border-top: 1px solid var(--line);
  background: var(--bg-2);
  padding-block: 2.6rem 2rem;
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem 2rem;
  align-items: flex-start;
  justify-content: space-between;
}

.footer-brand .brand {
  font-size: 1.1rem;
}

.footer-tag {
  margin: 0.5rem 0 0;
  color: var(--ink-2);
  font-size: 0.9rem;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem 1.3rem;
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-links a {
  color: var(--ink-2);
  text-decoration: none;
  font-size: 0.92rem;
}

.footer-links a:hover {
  color: var(--accent);
}

.footer-small {
  flex-basis: 100%;
  margin: 0.4rem 0 0;
  padding-top: 1.4rem;
  border-top: 1px solid var(--line);
  color: var(--ink-3);
  font-size: 0.85rem;
}

/* ---------- Toast ---------- */
.toast-region {
  position: fixed;
  left: 50%;
  bottom: 1.4rem;
  transform: translateX(-50%);
  z-index: 100;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  width: min(92vw, 480px);
  pointer-events: none;
}

.toast {
  display: flex;
  gap: 0.75rem;
  align-items: flex-start;
  padding: 1rem 1.2rem;
  border-radius: var(--radius);
  background: var(--ink);
  color: var(--bg);
  box-shadow: var(--shadow-lg);
  font-size: 0.95rem;
  animation: toast-in 0.25s ease;
}

.toast svg {
  width: 20px;
  height: 20px;
  flex: none;
  color: var(--gold-strong);
}

@keyframes toast-in {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ==========================================================================
   Report page
   ========================================================================== */
.report-hero {
  padding-block: clamp(3rem, 6vw, 4.5rem);
  background:
    radial-gradient(46rem 24rem at 108% -8%, var(--accent-soft), transparent 58%),
    radial-gradient(30rem 20rem at -10% 24%, var(--gold-soft), transparent 55%),
    var(--bg);
  border-bottom: 1px solid var(--line);
}

.report-hero h1 {
  max-width: 24ch;
}

.report-hero .lede {
  max-width: 46rem;
  color: var(--ink-2);
  font-size: 1.06rem;
  margin-bottom: 0;
}

.report-body {
  display: grid;
  gap: 1.5rem;
  padding-block: clamp(2.2rem, 5vw, 3.5rem);
}

.report-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  padding: clamp(1.4rem, 3.5vw, 2.2rem);
}

.report-card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 1.1rem;
}

.report-card-head h2 {
  margin: 0;
  font-size: 1.3rem;
}

/* essay */
.prompt {
  padding: 0.95rem 1.15rem;
  border-radius: var(--radius-sm);
  background: var(--surface-2);
  border-left: 3px solid var(--accent);
  color: var(--ink-2);
  font-size: 0.97rem;
}

.essay-text p {
  color: var(--ink);
}

/* score summary */
.score-card {
  background: var(--navy);
  border-color: transparent;
  color: #fff;
}

.score-card .report-card-head h2 {
  color: #fff;
}

.score-grid {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: clamp(1.4rem, 4vw, 3rem);
  align-items: center;
}

.score-total {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.1rem;
  padding: 1rem 1.6rem;
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.1);
}

.score-total .big {
  font-size: clamp(3rem, 6vw, 4.2rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1;
}

.score-total .label {
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.85);
  font-weight: 600;
}

.score-criteria {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.7rem;
}

.score-crit {
  padding: 0.8rem 0.7rem;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.08);
  text-align: center;
}

.score-crit .name {
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.8);
  font-weight: 600;
  display: block;
}

.score-crit .val {
  font-size: 1.25rem;
  font-weight: 800;
}

/* criterion blocks */
.criteria-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.criterion {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.2rem 1.3rem;
  background: var(--bg);
}

.criterion-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.8rem;
  margin-bottom: 0.6rem;
}

.criterion-head h3 {
  margin: 0;
  font-size: 1.05rem;
}

.band-chip {
  display: inline-block;
  padding: 0.22rem 0.65rem;
  border-radius: 999px;
  background: var(--gold-soft);
  color: var(--gold-strong);
  font-weight: 800;
  font-size: 0.86rem;
  white-space: nowrap;
}

.criterion p {
  margin: 0;
  color: var(--ink-2);
  font-size: 0.95rem;
}

/* error list */
.error-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 0.9rem;
}

.error-item {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1rem 1.2rem;
  background: var(--bg);
}

.error-item-head {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin-bottom: 0.6rem;
}

.error-type {
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  padding: 0.2rem 0.6rem;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
}

.error-type.vocab {
  background: var(--gold-soft);
  color: var(--gold-strong);
}

.error-lines {
  display: grid;
  gap: 0.5rem;
}

.error-lines p {
  margin: 0;
  font-size: 0.97rem;
  line-height: 1.6;
}

.error-lines .orig {
  color: var(--ink-2);
}

.error-lines .orig mark {
  background: #fde2d8;
  color: #7c2413;
  padding: 0 0.25rem;
  border-radius: 4px;
  font-weight: 600;
}

.error-lines .fix {
  color: var(--ink);
}

.error-lines .fix ins {
  background: #dff0dd;
  color: #1f5a2c;
  text-decoration: none;
  padding: 0 0.25rem;
  border-radius: 4px;
  font-weight: 600;
}

.arrow {
  color: var(--ink-3);
  font-weight: 700;
}

@media (prefers-color-scheme: dark) {
  .error-lines .orig mark {
    background: #4a2c24;
    color: #ffb49d;
  }
  .error-lines .fix ins {
    background: #1f3a28;
    color: #8fd6a0;
  }
}

/* rewrite */
.rewrite-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.rewrite-box {
  border-radius: var(--radius);
  padding: 1.2rem 1.3rem;
  border: 1px solid var(--line);
  background: var(--bg);
}

.rewrite-box .rb-label {
  display: inline-block;
  margin-bottom: 0.6rem;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  color: var(--ink-3);
}

.rewrite-box p {
  margin: 0;
  font-size: 0.98rem;
}

.rewrite-box.before p {
  color: var(--ink-2);
}

.rewrite-box.after {
  background: var(--accent-soft);
  border-color: var(--accent-soft-2);
}

/* report CTA */
.report-cta {
  text-align: center;
  padding: clamp(2rem, 5vw, 3rem);
  border-radius: var(--radius-lg);
  background:
    radial-gradient(40rem 16rem at 50% -40%, var(--accent-soft), transparent 60%),
    var(--surface);
  border: 1px solid var(--line);
}

.report-cta h2 {
  margin-bottom: 0.4rem;
}

.report-cta p {
  color: var(--ink-2);
  margin-bottom: 1.4rem;
}

.report-cta .cta-row {
  display: flex;
  gap: 0.8rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .hero-grid,
  .sample-teaser,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .hero-media {
    order: -1;
  }

  .portrait-frame {
    width: clamp(200px, 52vw, 260px);
  }

  .steps {
    grid-template-columns: 1fr 1fr;
  }

  .score-grid {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .score-total {
    flex-direction: row;
    justify-content: center;
    gap: 0.6rem;
    align-items: baseline;
  }

  .score-criteria,
  .criteria-grid,
  .rewrite-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 720px) {
  :root {
    --header-h: 64px;
  }

  .header-actions .btn {
    display: none;
  }

  .nav-toggle {
    display: flex;
  }

  .nav {
    position: absolute;
    top: var(--header-h);
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0.2rem;
    padding: 0.8rem 1.1rem 1.1rem;
    background: var(--surface);
    border-bottom: 1px solid var(--line);
    box-shadow: var(--shadow-md);
    display: none;
  }

  .nav.open {
    display: flex;
  }

  .nav-link {
    padding: 0.75rem 0.9rem;
    border-radius: 12px;
    font-size: 1rem;
  }

  .pricing-grid,
  .form-grid,
  .radio-row,
  .score-criteria,
  .criteria-grid,
  .rewrite-grid,
  .steps {
    grid-template-columns: 1fr;
  }

  .sample-preview {
    padding: 1.25rem;
  }
}

/* ---------- Motion ---------- */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
}