/* GRADENIK — Website styles
   Palette mirrors the app exactly:
   ink #1B2430 · paper #EDE6D6 · paperDim #DCD3BC · rust #B23A2E
   gold #C9A227 · slate #6B7A8F · charcoal #2A2620 · cardDark #232D3D
*/

:root {
  --ink: #1B2430;
  --paper: #EDE6D6;
  --paper-dim: #DCD3BC;
  --rust: #B23A2E;
  --gold: #C9A227;
  --slate: #6B7A8F;
  --charcoal: #2A2620;
  --card-dark: #232D3D;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  max-width: 100%;
  overflow-x: hidden;
}

body {
  background: var(--paper);
  color: var(--charcoal);
  font-family: "Exo 2", sans-serif;
  line-height: 1.55;
  -webkit-text-size-adjust: 100%;
}

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

.container {
  width: 100%;
  max-width: 640px;
  margin: 0 auto;
  padding: 0 20px;
}

h1, h2 {
  font-family: "Montserrat", sans-serif;
  margin: 0;
}

a { color: inherit; }
a:focus-visible, button:focus-visible, summary:focus-visible {
  outline: 3px solid var(--gold);
  outline-offset: 2px;
}

/* ---------- Hero ---------- */
.hero {
  background: var(--ink);
  color: var(--paper);
  padding: 48px 0 44px;
  text-align: center;
}
.hero .badge { margin: 0 auto 18px; }
.wordmark {
  font-size: 34px;
  font-weight: 800;
  letter-spacing: 4px;
  color: var(--paper);
}
.wordmark-accent {
  color: var(--gold);
}
.tagline {
  font-size: 14px;
  letter-spacing: 1.2px;
  text-transform: uppercase;
  color: var(--slate);
  margin: 10px 0 22px;
}
.hero-copy {
  font-size: 15.5px;
  color: var(--paper);
  max-width: 480px;
  margin: 0 auto 28px;
}
.cta-row {
  display: flex;
  flex-direction: column;
  gap: 12px;
  align-items: stretch;
  max-width: 340px;
  margin: 0 auto;
}
.hero-sub {
  font-size: 12.5px;
  color: var(--slate);
  margin-top: 14px;
}

.btn {
  display: block;
  text-decoration: none;
  font-family: "Montserrat", sans-serif;
  font-weight: 700;
  font-size: 14px;
  letter-spacing: 0.6px;
  text-align: center;
  padding: 15px 20px;
  border-radius: 6px;
  transition: transform 0.15s ease, opacity 0.15s ease;
}
.btn:active { transform: scale(0.98); }
.btn-primary {
  background: var(--gold);
  color: var(--ink);
}
.btn-primary:hover { opacity: 0.92; }
.btn-ghost {
  background: transparent;
  color: var(--gold);
  border: 1px solid var(--gold);
}
.btn-ghost:hover { background: rgba(201, 162, 39, 0.1); }

/* ---------- Sections ---------- */
.section { padding: 48px 0; }
.section:nth-of-type(even) { background: var(--paper-dim); }

.eyebrow {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--rust);
  margin: 0 0 8px;
}
.section-title {
  font-size: 24px;
  font-weight: 800;
  color: var(--ink);
  margin-bottom: 12px;
}
.section-intro {
  font-size: 14.5px;
  color: var(--charcoal);
  max-width: 520px;
  margin: 0 0 28px;
}

/* ---------- Grade scale table ---------- */
.grade-table {
  border: 1px solid var(--paper-dim);
  border-radius: 6px;
  overflow: hidden;
  background: var(--ink);
}
.grade-row {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 14px 18px;
  border-bottom: 1px solid rgba(237, 230, 214, 0.1);
}
.grade-row:last-child { border-bottom: none; }
.grade-number {
  font-family: "Montserrat", sans-serif;
  font-weight: 800;
  font-size: 20px;
  color: var(--gold);
  width: 52px;
  flex-shrink: 0;
  border-left: 3px solid var(--gold);
  padding-left: 12px;
}
.grade-text { flex: 1; min-width: 0; }
.grade-name {
  font-size: 13.5px;
  font-weight: 600;
  color: var(--paper);
}
.grade-comment {
  font-size: 12px;
  color: var(--slate);
  margin-top: 2px;
}

/* ---------- Tutorial / factor list ---------- */
.factor-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.factor {
  background: var(--ink);
  border-radius: 6px;
  overflow: hidden;
}
.factor summary {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  cursor: pointer;
  list-style: none;
  color: var(--paper);
}
.factor summary::-webkit-details-marker { display: none; }
.factor-num {
  font-family: "Montserrat", sans-serif;
  font-weight: 700;
  font-size: 12px;
  color: var(--ink);
  background: var(--gold);
  width: 26px;
  height: 26px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.factor-title {
  flex: 1;
  font-weight: 600;
  font-size: 14.5px;
}
.factor-chevron {
  color: var(--gold);
  font-size: 16px;
  transition: transform 0.2s ease;
  flex-shrink: 0;
}
.factor[open] .factor-chevron { transform: rotate(45deg); }
.factor-body {
  padding: 0 16px 18px 54px;
  color: var(--paper-dim);
  font-size: 13.5px;
}
.factor-question {
  color: var(--paper);
  font-style: italic;
  margin: 0 0 10px;
}
.factor-why { margin: 0 0 8px; }
.factor-why strong { color: var(--gold); }
.factor-background { margin: 0; color: var(--slate); }

/* ---------- CTA band ---------- */
.cta-band {
  background: var(--ink);
  color: var(--paper);
  text-align: center;
}
.cta-band .section-intro { margin-left: auto; margin-right: auto; color: var(--paper-dim); }
.cta-band .btn-primary { display: inline-block; max-width: 320px; margin: 0 auto; }

/* ---------- Footer ---------- */
.footer {
  background: var(--charcoal);
  color: var(--paper-dim);
  padding: 32px 0;
  text-align: center;
}
.footer-brand {
  font-family: "Montserrat", sans-serif;
  font-weight: 800;
  letter-spacing: 2px;
  color: var(--paper-dim);
  margin-bottom: 14px;
}
.footer-brand .wordmark-accent {
  color: var(--gold);
}
.footer-links {
  display: flex;
  justify-content: center;
  gap: 18px;
  flex-wrap: wrap;
  margin-bottom: 14px;
  font-size: 13px;
}
.footer-links a { text-decoration: none; }
.footer-links a:hover { color: var(--gold); }
.footer-fine {
  font-size: 11.5px;
  color: var(--slate);
  margin: 0;
}

/* ---------- Small screens: keep everything snug, no overflow ---------- */
@media (max-width: 380px) {
  .wordmark { font-size: 28px; letter-spacing: 2.5px; }
  .grade-number { width: 44px; font-size: 17px; }
}

/* ---------- Pricing pack cards ---------- */
.pack-row {
  display: flex;
  gap: 12px;
  justify-content: center;
  margin-top: 8px;
}
.pack-card {
  flex: 1;
  max-width: 150px;
  background: var(--card-dark);
  border: 1px solid var(--gold);
  border-radius: 6px;
  padding: 16px 10px;
  text-align: center;
}
.pack-name {
  font-size: 12px;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--slate);
  margin-bottom: 6px;
}
.pack-price {
  font-family: "Montserrat", sans-serif;
  font-weight: 800;
  font-size: 22px;
  color: var(--gold);
}
.pack-grades {
  font-size: 12px;
  color: var(--paper);
  margin-top: 4px;
}
@media (max-width: 380px) {
  .pack-card { padding: 12px 6px; }
  .pack-price { font-size: 18px; }
}