/* ============================================================
   NISM Mock Test — Landing Page
   Design tokens
   ============================================================ */
:root {
  --paper:      #F4F5F1;
  --card:       #FFFFFF;
  --ink:        #16233F;
  --ink-soft:   #4A5772;
  --line:       #DEDACB;
  --line-dark:  rgba(255,255,255,0.14);

  --gold:       #B08A2E;
  --gold-soft:  #E8DCB8;

  --correct:    #2E7D5B;
  --correct-bg: #E4F0E9;
  --wrong:      #B8433F;
  --wrong-bg:   #F6E4E3;
  --skip:       #8A8577;

  --font-display: 'Space Grotesk', system-ui, sans-serif;
  --font-body:    'IBM Plex Sans', system-ui, sans-serif;
  --font-mono:    'IBM Plex Mono', ui-monospace, monospace;

  --radius: 14px;
  --shadow: 0 1px 2px rgba(22,35,63,0.06), 0 12px 32px -16px rgba(22,35,63,0.18);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

.wrap {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 24px;
}

a { color: inherit; }

h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.1;
  margin: 0;
  letter-spacing: -0.01em;
}

:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 3px;
}

/* ============================================================
   Bubble motif (signature element)
   ============================================================ */
.bubble {
  display: inline-block;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  border: 2px solid var(--ink-soft);
  flex-shrink: 0;
  background: transparent;
}
.bubble--lg { width: 26px; height: 26px; border-width: 2.5px; }
.bubble--filled {
  border-color: var(--correct);
  background: var(--correct);
  box-shadow: inset 0 0 0 2.5px var(--card);
}
.bubble--marked {
  border-color: var(--wrong);
  background: var(--wrong);
  box-shadow: inset 0 0 0 2.5px var(--card);
}

/* ============================================================
   Buttons
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 22px;
  border-radius: 999px;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  border: 1.5px solid transparent;
  transition: transform 0.15s ease, background 0.15s ease, border-color 0.15s ease;
  cursor: pointer;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary {
  background: var(--ink);
  color: var(--paper);
}
.btn-primary:hover { background: #1F3159; }
.btn-lg { padding: 14px 28px; font-size: 1rem; }
.btn-ghost {
  border-color: var(--ink);
  background: transparent;
  padding: 9px 20px;
}
.btn-ghost:hover { background: var(--ink); color: var(--paper); }
.btn-text {
  padding: 12px 4px;
  color: var(--ink-soft);
}
.btn-text:hover { color: var(--ink); }

/* ============================================================
   Header
   ============================================================ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(244,245,241,0.85);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.05rem;
  text-decoration: none;
  color: var(--ink);
}
.brand-mark { display: inline-flex; color: var(--gold); }
.header-nav {
  display: flex;
  align-items: center;
  gap: 28px;
  font-size: 0.92rem;
  font-weight: 500;
}
.header-nav a:not(.btn) { text-decoration: none; color: var(--ink-soft); }
.header-nav a:not(.btn):hover { color: var(--ink); }

/* ============================================================
   Eyebrow / section labels
   ============================================================ */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--gold);
  margin: 0 0 18px;
}
.eyebrow--dark { color: var(--gold-soft); }

.section-sub {
  max-width: 46ch;
  color: var(--ink-soft);
  font-size: 1.05rem;
  margin: 14px 0 0;
}

/* ============================================================
   Hero
   ============================================================ */
.hero { padding: 88px 0 96px; }
.hero-inner {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 56px;
  align-items: center;
}
.hero h1 {
  font-size: clamp(2.4rem, 4.6vw, 3.6rem);
  animation: rise 0.6s ease both;
}
.hero-sub {
  font-size: 1.1rem;
  color: var(--ink-soft);
  max-width: 46ch;
  margin: 22px 0 32px;
  animation: rise 0.6s ease 0.08s both;
}
.hero-actions {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
  animation: rise 0.6s ease 0.16s both;
}

@keyframes rise {
  from { opacity: 0; transform: translateY(14px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* Hero mock-question card */
.hero-card {
  background: var(--card);
  border-radius: var(--radius);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  padding: 24px 24px 20px;
  animation: rise 0.7s ease 0.1s both;
}
.card-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
}
.card-label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.05em;
  color: var(--ink-soft);
  text-transform: uppercase;
}
.card-label--mono {
  background: var(--paper);
  border: 1px solid var(--line);
  padding: 3px 9px;
  border-radius: 999px;
}
.card-question {
  font-size: 1.05rem;
  font-weight: 500;
  margin: 0 0 18px;
  line-height: 1.4;
}
.options {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.option {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 11px 14px;
  border-radius: 10px;
  border: 1px solid var(--line);
  font-size: 0.94rem;
}
.option.is-correct { background: var(--correct-bg); border-color: #C4DED0; }
.option.is-wrong { background: var(--wrong-bg); border-color: #EAC7C4; }
.option-text { flex: 1; }
.option-tag {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: 999px;
}
.tag-correct { color: var(--correct); background: rgba(46,125,91,0.12); }
.tag-wrong { color: var(--wrong); background: rgba(184,67,63,0.12); }
.tag-skip { color: var(--skip); background: rgba(138,133,119,0.14); }

/* ============================================================
   Scoring section (dark band)
   ============================================================ */
.scoring {
  background: var(--ink);
  color: var(--paper);
  padding: 84px 0;
}
.scoring h2 {
  font-size: clamp(1.7rem, 3vw, 2.3rem);
  max-width: 22ch;
}
.scoring .section-sub { color: #B7C0D6; }

.scoring-grid {
  margin-top: 52px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.scoring-item {
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--line-dark);
  border-radius: var(--radius);
  padding: 30px 20px;
  text-align: center;
}
.scoring-item .bubble--lg { margin-bottom: 16px; }
.scoring-value {
  display: block;
  font-family: var(--font-mono);
  font-size: 1.8rem;
  font-weight: 600;
  margin-bottom: 6px;
}
.scoring-item p { margin: 0; color: #B7C0D6; font-size: 0.95rem; }

/* ============================================================
   Features
   ============================================================ */
.features { padding: 96px 0; }
.features h2 {
  font-size: clamp(1.7rem, 3vw, 2.3rem);
  max-width: 20ch;
  margin-bottom: 48px;
}
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.feature-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 26px 24px;
}
.feature-card .bubble { margin-bottom: 16px; }
.feature-card h3 {
  font-size: 1.08rem;
  margin-bottom: 8px;
}
.feature-card p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.95rem;
}

/* ============================================================
   CTA band
   ============================================================ */
.cta-band {
  background: var(--gold-soft);
  padding: 64px 0;
}
.cta-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}
.cta-inner h2 { font-size: 1.7rem; margin-bottom: 6px; }
.cta-inner p { margin: 0; color: #6B5A2A; }

/* ============================================================
   Footer
   ============================================================ */
.site-footer {
  border-top: 1px solid var(--line);
  padding: 28px 0;
}
.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.88rem;
  color: var(--ink-soft);
}
.footer-nav { display: flex; gap: 20px; }
.footer-nav a { text-decoration: none; color: var(--ink-soft); }
.footer-nav a:hover { color: var(--ink); }

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width: 880px) {
  .hero-inner { grid-template-columns: 1fr; gap: 44px; }
  .scoring-grid { grid-template-columns: 1fr; }
  .feature-grid { grid-template-columns: 1fr 1fr; }
  .cta-inner { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 560px) {
  .header-nav a:not(.btn) { display: none; }
  .hero { padding: 56px 0 64px; }
  .feature-grid { grid-template-columns: 1fr; }
  .card-head { flex-wrap: wrap; gap: 8px; }
}