/* ── AWS Bag — Main Stylesheet ──────────────────────────────────────── */
@import url("https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap");

:root {
  --aws-orange:  #ff9900;
  --aws-dark:    #232f3e;
  --aws-blue:    #146eb4;
  --aws-light:   #0096c7;
  --ink:         #1a2332;
  --ink-muted:   #5a6a7a;
  --paper:       #f5f7fa;
  --white:       #ffffff;
  --border:      #dde4ed;
  --radius-sm:   8px;
  --radius-md:   14px;
  --radius-lg:   22px;
  --shadow-sm:   0 2px 8px rgba(26,35,50,.08);
  --shadow-md:   0 6px 24px rgba(26,35,50,.10);
  --shadow-lg:   0 12px 40px rgba(26,35,50,.12);
}

/* ── Reset & Base ────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; }

body {
  font-family: Inter, -apple-system, Arial, sans-serif;
  font-size: 15px;
  line-height: 1.65;
  color: var(--ink);
  background: var(--paper);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--aws-blue); }
a:hover { color: var(--aws-dark); }

h1,h2,h3,h4,h5,h6 { font-weight: 700; line-height: 1.25; }

img { max-width: 100%; }

/* ── Skip link ───────────────────────────────────────────────────── */
.skip-link {
  position: absolute; left: -9999px; top: 1rem; z-index: 9999;
  background: var(--aws-orange); color: #000; padding: .4rem 1rem;
  border-radius: var(--radius-sm); font-weight: 600;
}
.skip-link:focus { left: 1rem; }

/* ── Navbar ──────────────────────────────────────────────────────── */
.site-header {
  background: var(--white);
  box-shadow: 0 1px 0 var(--border), var(--shadow-sm);
  z-index: 1000;
}
.navbar-brand {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--aws-dark) !important;
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: .5rem;
}
.navbar-brand img { width: 30px; height: 30px; border-radius: 6px; }
.navbar-brand strong { color: var(--aws-orange); }
.navbar .nav-link {
  color: var(--ink) !important;
  font-weight: 500;
  font-size: .9rem;
  padding: .45rem .7rem !important;
  border-radius: var(--radius-sm);
  transition: background .15s, color .15s;
}
.navbar .nav-link:hover,
.navbar .nav-link.active {
  background: rgba(20,110,180,.08);
  color: var(--aws-blue) !important;
}
.navbar .nav-link.active { font-weight: 600; }
.navbar-toggler { border: 1px solid var(--border); padding: .3rem .5rem; }
.dropdown-menu { border: 1px solid var(--border); border-radius: var(--radius-md); box-shadow: var(--shadow-md); }
.dropdown-item { font-size: .88rem; padding: .45rem 1rem; }
.dropdown-item:hover { background: var(--paper); color: var(--aws-blue); }

/* ── Buttons ─────────────────────────────────────────────────────── */
.btn-aws {
  background: var(--aws-orange);
  border: 0;
  color: #111;
  font-weight: 700;
  padding: .65rem 1.35rem;
  border-radius: var(--radius-md);
  transition: filter .15s, transform .1s;
}
.btn-aws:hover { filter: brightness(1.08); color: #111; transform: translateY(-1px); }
.btn-aws.btn-lg { padding: .8rem 1.8rem; font-size: 1rem; }

.btn-glass {
  background: rgba(255,255,255,.18);
  border: 1px solid rgba(255,255,255,.45);
  color: #fff;
  font-weight: 600;
  padding: .65rem 1.35rem;
  border-radius: var(--radius-md);
  backdrop-filter: blur(4px);
  transition: background .15s;
}
.btn-glass:hover { background: rgba(255,255,255,.28); color: #fff; }
.btn-glass.btn-lg { padding: .8rem 1.8rem; font-size: 1rem; }

/* ── Hero Section ────────────────────────────────────────────────── */
.hero-section {
  background: linear-gradient(135deg, #0a2540 0%, #146eb4 55%, #0096c7 100%);
  color: #fff;
  padding: 4rem 0 4.5rem;
}
.hero-eyebrow {
  font-size: .8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: rgba(255,255,255,.7);
  margin-bottom: .5rem;
}
.hero-title {
  font-size: clamp(1.8rem, 4vw, 3.2rem);
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: .75rem;
  color: #fff;
}
.hero-sub {
  font-size: 1.05rem;
  color: rgba(255,255,255,.85);
  max-width: 560px;
}
.hero-actions { display: flex; gap: .75rem; flex-wrap: wrap; }

/* Hero stats card */
.hero-stats-card {
  background: rgba(255,255,255,.12);
  border: 1px solid rgba(255,255,255,.2);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(8px);
  padding: 2rem 2.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  min-width: 200px;
}
.hsc-item { text-align: center; }
.hsc-num { display: block; font-size: 2.2rem; font-weight: 800; color: var(--aws-orange); line-height: 1; }
.hsc-label { font-size: .8rem; color: rgba(255,255,255,.7); text-transform: uppercase; letter-spacing: .05em; }

/* ── Section titles ──────────────────────────────────────────────── */
.section-title { font-size: 1.55rem; font-weight: 800; }
.section-sub   { color: var(--ink-muted); }
.bg-light-subtle { background: var(--white) !important; }
.link-muted { color: var(--ink-muted); text-decoration: none; font-weight: 500; }
.link-muted:hover { color: var(--aws-blue); }

/* ── Exam Cards (homepage listing) ──────────────────────────────── */
.exam-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  color: var(--ink);
  transition: box-shadow .2s, transform .2s, border-color .2s;
}
.exam-card:hover {
  border-color: var(--aws-blue);
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
  color: var(--ink);
}
.exam-card-provider {
  font-size: .72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--ink-muted);
  margin-bottom: .4rem;
}
.exam-card-name {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: .4rem;
  line-height: 1.3;
}
.exam-card-desc { font-size: .85rem; color: var(--ink-muted); }
.exam-card-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: .75rem;
  border-top: 1px solid var(--border);
  margin-top: .75rem;
}
.exam-badge {
  background: var(--aws-orange);
  color: #111;
  font-size: .72rem;
  font-weight: 700;
  padding: .2rem .55rem;
  border-radius: 999px;
}
.exam-qcount { font-size: .8rem; color: var(--ink-muted); font-weight: 500; }

/* ── Topic Cards ─────────────────────────────────────────────────── */
.topic-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 1.1rem 1.25rem;
  color: var(--ink);
  transition: box-shadow .18s, transform .18s, border-color .18s;
}
.topic-card:hover {
  border-color: var(--aws-blue);
  box-shadow: var(--shadow-sm);
  transform: translateY(-2px);
  color: var(--ink);
}
.tc-name  { font-size: .95rem; font-weight: 700; margin-bottom: .25rem; }
.tc-desc  { font-size: .8rem; color: var(--ink-muted); margin-bottom: .3rem; }
.tc-count { font-size: .78rem; color: var(--ink-muted); font-weight: 500; }

.topics-category-heading {
  font-size: 1rem;
  font-weight: 700;
  color: var(--ink-muted);
  text-transform: uppercase;
  letter-spacing: .06em;
  padding-bottom: .4rem;
  border-bottom: 2px solid var(--aws-orange);
  display: inline-block;
}

/* ── Why section ─────────────────────────────────────────────────── */
.why-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2rem 1.5rem;
  height: 100%;
  transition: box-shadow .2s;
}
.why-card:hover { box-shadow: var(--shadow-md); }
.why-icon { font-size: 2.2rem; margin-bottom: .75rem; }
.why-card h3 { font-size: 1rem; }
.why-card p  { font-size: .9rem; color: var(--ink-muted); margin: 0; }

/* ── Breadcrumbs ─────────────────────────────────────────────────── */
.breadcrumb-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: .3rem;
  align-items: center;
  font-size: .82rem;
  color: var(--ink-muted);
}
.breadcrumb-list a { color: var(--aws-blue); text-decoration: none; }
.breadcrumb-list a:hover { text-decoration: underline; }
.breadcrumb-list [aria-current="page"] { color: var(--ink-muted); }

/* ── Question Cards ──────────────────────────────────────────────── */
.question-card {
  background: var(--white);
  border: 1px solid var(--border);
  padding: clamp(1rem, 3vw, 1.75rem);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}
.question-card h2 { font-size: 1rem; font-weight: 600; }

/* Options — single answer */
.option {
  width: 100%;
  text-align: left;
  margin: .35rem 0;
  padding: .75rem 1rem;
  border: 1.5px solid var(--border);
  background: var(--white);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: border-color .13s, background .13s;
  font-size: .92rem;
}
button.option { border: 1.5px solid var(--border); }
.option:hover  { border-color: var(--aws-blue); background: #eef6ff; }
.option.selected { border-color: var(--aws-blue); background: #ddeeff; }

/* Options — multi answer checkboxes */
label.option { display: flex; align-items: flex-start; gap: .65rem; }
label.option input[type=checkbox] {
  margin-top: .22rem;
  accent-color: var(--aws-blue);
  width: 1.1rem; height: 1.1rem;
  flex-shrink: 0; cursor: pointer; pointer-events: none;
}

/* Answer reveal */
.answer {
  border-left: 5px solid #28a745;
  background: #f0fbf3;
  padding: 1rem 1.25rem;
  border-radius: var(--radius-sm);
  margin-top: .75rem;
}
.answer-official {
  background: #f0fbf3;
  border-left: 5px solid #28a745;
  padding: 1rem 1.25rem;
  border-radius: var(--radius-sm);
}
.reveal {
  margin-top: .75rem;
  font-size: .88rem;
}

/* ── Community Answers Panel ─────────────────────────────────────── */
.ca-panel { background: #f8fafc; border: 1px solid var(--border); border-radius: var(--radius-md); padding: 1.25rem; margin-top: 1rem; }
.ca-panel-header { border-bottom: 1px solid var(--border); padding-bottom: .6rem; margin-bottom: 1rem; }
.ca-vote-row { padding: .7rem .9rem; margin-bottom: .5rem; background: var(--white); border-radius: var(--radius-sm); border: 1px solid var(--border); }
.ca-admin-row { border-color: #0d6efd; background: #f0f5ff; }
.ca-choice-label { display: flex; align-items: center; gap: .4rem; flex-wrap: wrap; }
.ca-progress { height: 8px; border-radius: 999px; background: #e9ecef; }
.ca-explanation { font-size: .83rem; color: #444; margin: .4rem 0 .2rem; line-height: 1.5; }
.ca-authors { font-size: .75rem; opacity: .65; }
.ca-badge { display: inline-block; font-size: .68rem; font-weight: 700; padding: .15rem .45rem; border-radius: 4px; text-transform: uppercase; letter-spacing: .03em; }
.ca-admin   { background: #0d6efd; color: #fff; }
.ca-correct { background: #198754; color: #fff; }
.ca-official{ background: #6c757d; color: #fff; }
.ca-opt-btn { min-width: 36px; border: 2px solid #adb5bd; background: #fff; border-radius: var(--radius-sm); font-weight: 700; transition: .12s; color: #333; }
.ca-opt-btn.active { border-color: #0d6efd; background: #0d6efd; color: #fff; }
.ca-opt-btn:hover:not(.active) { border-color: #0d6efd; color: #0d6efd; }
.ca-submit-form { border-top: 1px solid var(--border); padding-top: .9rem; margin-top: .9rem; }
.ca-load-btn { font-size: .82rem; }

/* ── Bookmark button ─────────────────────────────────────────────── */
.mark {
  background: none !important;
  border: 1px solid var(--border) !important;
  color: var(--ink-muted) !important;
  font-size: 1rem;
  width: 32px; height: 32px;
  padding: 0;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
}
.mark:hover { border-color: var(--aws-orange) !important; color: var(--aws-orange) !important; }

/* ── Search ──────────────────────────────────────────────────────── */
.search-wrap { position: relative; max-width: 600px; }
.search-wrap .form-control { border-radius: var(--radius-md); border: 1.5px solid var(--border); padding: .75rem 1rem; }
.search-wrap .form-control:focus { border-color: var(--aws-blue); box-shadow: 0 0 0 3px rgba(20,110,180,.12); }

/* ── Timer ───────────────────────────────────────────────────────── */
#timer { font-weight: 800; font-size: 1.1rem; color: var(--aws-dark); }

/* ── Pagination ──────────────────────────────────────────────────── */
.page-link { border-radius: var(--radius-sm) !important; font-size: .85rem; }

/* ── Footer ──────────────────────────────────────────────────────── */
.site-footer {
  background: var(--aws-dark);
  color: rgba(255,255,255,.75);
  padding: 3rem 0 1.5rem;
  margin-top: 4rem;
}
.footer-brand {
  display: flex; align-items: center; gap: .5rem;
  font-size: 1.1rem; font-weight: 700; color: #fff; text-decoration: none;
}
.footer-brand strong { color: var(--aws-orange); }
.footer-tagline { font-size: .83rem; color: rgba(255,255,255,.55); max-width: 280px; }
.footer-heading { color: rgba(255,255,255,.4); font-size: .7rem; text-transform: uppercase; letter-spacing: .1em; font-weight: 700; margin-bottom: .75rem; }
.footer-links { list-style: none; padding: 0; margin: 0; }
.footer-links li { margin-bottom: .35rem; }
.footer-links a { color: rgba(255,255,255,.7); text-decoration: none; font-size: .88rem; transition: color .15s; }
.footer-links a:hover { color: #fff; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.1); padding-top: 1rem; font-size: .78rem; color: rgba(255,255,255,.4); }

/* ── Utility ─────────────────────────────────────────────────────── */
.badge { font-size: .72rem; }
.badge.bg-warning { font-size: .72rem; }
.toolbar { display: flex; gap: .6rem; flex-wrap: wrap; }

/* ── Legal pages ─────────────────────────────────────────────────── */
.legal-content h1 { font-size: 2rem; margin-bottom: .5rem; }
.legal-content h2 { font-size: 1.25rem; margin-top: 2rem; }
.legal-content p, .legal-content li { line-height: 1.8; color: var(--ink); }
.legal-content a { color: var(--aws-blue); }
.legal-content code { background: #f0f4f8; padding: .1em .35em; border-radius: 4px; font-size: .88em; }

/* ── AdSense blocks ──────────────────────────────────────────────── */
.ad-block { text-align: center; overflow: hidden; }
.ad-header-banner { background: #f8f9fa; padding: .25rem 0; border-bottom: 1px solid var(--border); }
.ad-footer { max-width: 970px; margin: 0 auto; }
.ad-block--ad_slot_in_question { margin: 1.5rem 0; }
.ad-block--ad_slot_before_pagination { margin: 1.5rem 0; }

/* ── Provider pills (homepage filter) ───────────────────────── */
.provider-pill {
  display: inline-flex; align-items: center; gap: .35rem;
  padding: .3rem .85rem; border-radius: 999px;
  font-size: .8rem; font-weight: 600;
  background: rgba(255,255,255,.15); color: rgba(255,255,255,.85);
  border: 1px solid rgba(255,255,255,.25); text-decoration: none;
  transition: background .15s, color .15s;
}
.provider-pill:hover, .provider-pill.active {
  background: rgba(255,255,255,.35); color: #fff;
}
.provider-pill-count {
  background: rgba(255,255,255,.25); border-radius: 999px;
  font-size: .7rem; padding: .05rem .35rem; font-weight: 700;
}

/* ── btn-outline-light fix ───────────────────────────────────── */
.btn-outline-light {
  border: 2px solid rgba(255,255,255,.7);
  color: #fff; background: transparent;
  font-weight: 600; padding: .65rem 1.35rem; border-radius: var(--radius-md);
  transition: background .15s, color .15s;
}
.btn-outline-light:hover { background: rgba(255,255,255,.15); color: #fff; }
.btn-outline-light.btn-lg { padding: .8rem 1.8rem; font-size: 1rem; }