/* ExamPDFHub — shared styles
   Clean, academic, trustworthy. Navy + warm off-white, generous whitespace. */

:root {
  --navy-900: #16324f;
  --navy-800: #1e3a5f;
  --navy-700: #2c5282;
  --navy-100: #e8eef5;
  --gold-500: #c9922f;
  --gold-600: #b07f24;
  --ink: #1f2933;
  --ink-soft: #52606d;
  --paper: #fbf9f5;
  --paper-card: #ffffff;
  --line: #e2e0da;
  --green-600: #2f7a4d;
  --radius: 10px;
  --shadow: 0 2px 10px rgba(22, 50, 79, 0.08);
  --shadow-hover: 0 8px 24px rgba(22, 50, 79, 0.14);
  --max-w: 1120px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: "Georgia", "Iowan Old Style", "Palatino Linotype", serif;
  color: var(--ink);
  background: var(--paper);
  line-height: 1.6;
}

h1, h2, h3, h4 {
  font-family: "Georgia", "Iowan Old Style", "Palatino Linotype", serif;
  color: var(--navy-900);
  line-height: 1.25;
  margin: 0 0 0.5em;
}

p { margin: 0 0 1em; }

a { color: var(--navy-700); text-decoration: none; }
a:hover { text-decoration: underline; }

.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- Header ---------- */

.site-header {
  background: var(--navy-900);
  color: #fff;
  position: sticky;
  top: 0;
  z-index: 50;
  box-shadow: 0 1px 0 rgba(255,255,255,0.06);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 14px;
  padding-bottom: 14px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: "Georgia", serif;
  font-weight: 700;
  font-size: 1.3rem;
  color: #fff;
  letter-spacing: 0.2px;
}

.brand:hover { text-decoration: none; }

.brand-mark {
  width: 34px;
  height: 34px;
  border-radius: 8px;
  background: linear-gradient(145deg, var(--gold-500), var(--gold-600));
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--navy-900);
  font-weight: 800;
  font-family: "Helvetica Neue", Arial, sans-serif;
  font-size: 0.95rem;
}

.brand small {
  display: block;
  font-family: "Helvetica Neue", Arial, sans-serif;
  font-weight: 400;
  font-size: 0.62rem;
  letter-spacing: 1.5px;
  color: var(--navy-100);
  text-transform: uppercase;
  margin-top: 2px;
}

nav.main-nav {
  display: flex;
  align-items: center;
  gap: 28px;
  font-family: "Helvetica Neue", Arial, sans-serif;
  font-size: 0.92rem;
}

nav.main-nav a {
  color: var(--navy-100);
}

nav.main-nav a:hover,
nav.main-nav a.active {
  color: #fff;
  text-decoration: none;
  border-bottom: 2px solid var(--gold-500);
  padding-bottom: 4px;
}

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid rgba(255,255,255,0.3);
  color: #fff;
  border-radius: 6px;
  padding: 8px 10px;
  font-size: 1rem;
  cursor: pointer;
}

/* ---------- Hero ---------- */

.hero {
  background: linear-gradient(180deg, var(--navy-800) 0%, var(--navy-900) 100%);
  color: #fff;
  padding: 64px 0 76px;
}

.hero .container {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 40px;
  align-items: center;
}

.hero-eyebrow {
  font-family: "Helvetica Neue", Arial, sans-serif;
  text-transform: uppercase;
  letter-spacing: 2px;
  font-size: 0.75rem;
  color: var(--gold-500);
  margin-bottom: 14px;
  font-weight: 700;
}

.hero h1 {
  color: #fff;
  font-size: 2.4rem;
  margin-bottom: 18px;
}

.hero p.lead {
  color: var(--navy-100);
  font-size: 1.08rem;
  max-width: 46ch;
}

.hero-actions {
  display: flex;
  gap: 14px;
  margin-top: 28px;
  flex-wrap: wrap;
}

.hero-stats {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.14);
  border-radius: var(--radius);
  padding: 26px;
  font-family: "Helvetica Neue", Arial, sans-serif;
}

.hero-stats .stat {
  display: flex;
  justify-content: space-between;
  padding: 12px 0;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}

.hero-stats .stat:last-child { border-bottom: none; }

.hero-stats .stat strong {
  color: var(--gold-500);
  font-size: 1.1rem;
}

.hero-stats .stat span {
  color: var(--navy-100);
  font-size: 0.88rem;
}

/* ---------- Buttons ---------- */

.btn {
  display: inline-block;
  font-family: "Helvetica Neue", Arial, sans-serif;
  font-weight: 600;
  font-size: 0.92rem;
  padding: 12px 22px;
  border-radius: 7px;
  cursor: pointer;
  border: 1px solid transparent;
  transition: transform 0.12s ease, box-shadow 0.12s ease;
}

.btn:hover { text-decoration: none; transform: translateY(-1px); }

.btn-gold {
  background: var(--gold-500);
  color: var(--navy-900);
}
.btn-gold:hover { background: var(--gold-600); box-shadow: 0 6px 16px rgba(201,146,47,0.35); }

.btn-outline {
  background: transparent;
  color: #fff;
  border-color: rgba(255,255,255,0.5);
}
.btn-outline:hover { border-color: #fff; }

.btn-navy {
  background: var(--navy-800);
  color: #fff;
}
.btn-navy:hover { background: var(--navy-700); }

.btn-buy {
  display: block;
  width: 100%;
  text-align: center;
  background: var(--gold-500);
  color: var(--navy-900);
  font-weight: 700;
  padding: 11px 16px;
  border-radius: 7px;
}
.btn-buy:hover { background: var(--gold-600); text-decoration: none; }

.btn-small {
  padding: 7px 14px;
  font-size: 0.82rem;
}

/* ---------- Sections ---------- */

section { padding: 64px 0; }

.section-head {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 40px;
}

.section-head .kicker {
  font-family: "Helvetica Neue", Arial, sans-serif;
  text-transform: uppercase;
  letter-spacing: 2px;
  font-size: 0.75rem;
  color: var(--gold-600);
  font-weight: 700;
  margin-bottom: 10px;
}

.section-head h2 { font-size: 1.9rem; }
.section-head p { color: var(--ink-soft); }

.bg-alt { background: var(--navy-100); }

/* ---------- Category / product cards ---------- */

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.cat-card {
  background: var(--paper-card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 30px 26px;
  box-shadow: var(--shadow);
  transition: box-shadow 0.15s ease, transform 0.15s ease;
  display: block;
}

.cat-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-3px);
  text-decoration: none;
}

.cat-card .cat-icon {
  width: 46px;
  height: 46px;
  border-radius: 10px;
  background: var(--navy-100);
  color: var(--navy-800);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-family: "Helvetica Neue", Arial, sans-serif;
  margin-bottom: 16px;
  font-size: 1.1rem;
}

.cat-card h3 { font-size: 1.15rem; margin-bottom: 8px; }
.cat-card p { color: var(--ink-soft); font-size: 0.94rem; margin-bottom: 0; }

.cat-card .cat-meta {
  margin-top: 16px;
  font-family: "Helvetica Neue", Arial, sans-serif;
  font-size: 0.8rem;
  color: var(--gold-600);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.product-card {
  background: var(--paper-card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 24px;
  display: flex;
  flex-direction: column;
}

.product-card .badge {
  align-self: flex-start;
  font-family: "Helvetica Neue", Arial, sans-serif;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  color: var(--navy-800);
  background: var(--navy-100);
  padding: 4px 10px;
  border-radius: 100px;
  margin-bottom: 14px;
}

.product-card h3 {
  font-size: 1.08rem;
  margin-bottom: 8px;
}

.product-card .desc {
  color: var(--ink-soft);
  font-size: 0.9rem;
  flex-grow: 1;
}

.product-card ul.includes {
  font-family: "Helvetica Neue", Arial, sans-serif;
  font-size: 0.85rem;
  color: var(--ink-soft);
  margin: 0 0 18px;
  padding-left: 18px;
}

.product-card ul.includes li { margin-bottom: 4px; }

.price-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 14px;
  font-family: "Helvetica Neue", Arial, sans-serif;
}

.price-row .price {
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--navy-900);
}

.price-row .price-old {
  font-size: 0.9rem;
  color: #9aa5b1;
  text-decoration: line-through;
  margin-right: 8px;
}

/* ---------- Trust / how it works ---------- */

.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.step {
  text-align: center;
}

.step .step-num {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--navy-800);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: "Helvetica Neue", Arial, sans-serif;
  font-weight: 700;
  margin: 0 auto 16px;
}

.step h3 { font-size: 1.05rem; }
.step p { color: var(--ink-soft); font-size: 0.92rem; }

.trust-strip {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: #fff;
  padding: 22px 0;
}

.trust-strip .container {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 18px;
  font-family: "Helvetica Neue", Arial, sans-serif;
  font-size: 0.85rem;
  color: var(--ink-soft);
}

.trust-strip strong { color: var(--navy-800); }

/* ---------- Page header (inner pages) ---------- */

.page-header {
  background: var(--navy-900);
  color: #fff;
  padding: 46px 0;
}

.page-header .container {
  max-width: var(--max-w);
}

.page-header .breadcrumb {
  font-family: "Helvetica Neue", Arial, sans-serif;
  font-size: 0.8rem;
  color: var(--navy-100);
  margin-bottom: 10px;
}

.page-header .breadcrumb a { color: var(--navy-100); }

.page-header h1 { color: #fff; margin-bottom: 8px; }
.page-header p { color: var(--navy-100); max-width: 60ch; margin-bottom: 0; }

/* ---------- Content pages (about, policies) ---------- */

.prose {
  max-width: 760px;
  margin: 0 auto;
}

.prose h2 { margin-top: 1.6em; font-size: 1.35rem; }
.prose h3 { margin-top: 1.2em; font-size: 1.1rem; }
.prose ul, .prose ol { color: var(--ink-soft); }
.prose p { color: var(--ink-soft); }

/* ---------- Contact ---------- */

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: start;
}

.contact-card {
  background: var(--paper-card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: var(--shadow);
}

.contact-card .row {
  display: flex;
  gap: 12px;
  padding: 12px 0;
  border-bottom: 1px solid var(--line);
  font-family: "Helvetica Neue", Arial, sans-serif;
  font-size: 0.92rem;
}
.contact-card .row:last-child { border-bottom: none; }
.contact-card .row strong { color: var(--navy-800); min-width: 90px; display: inline-block; }

form.contact-form label {
  display: block;
  font-family: "Helvetica Neue", Arial, sans-serif;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--navy-800);
  margin-bottom: 6px;
  margin-top: 16px;
}

form.contact-form input,
form.contact-form textarea {
  width: 100%;
  padding: 11px 13px;
  border: 1px solid var(--line);
  border-radius: 7px;
  font-family: "Helvetica Neue", Arial, sans-serif;
  font-size: 0.92rem;
  background: #fff;
  color: var(--ink);
}

form.contact-form textarea { resize: vertical; min-height: 120px; }

form.contact-form button { margin-top: 20px; }

/* ---------- Footer ---------- */

.site-footer {
  background: var(--navy-900);
  color: var(--navy-100);
  padding: 48px 0 24px;
  margin-top: 40px;
  font-family: "Helvetica Neue", Arial, sans-serif;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 32px;
  padding-bottom: 30px;
  border-bottom: 1px solid rgba(255,255,255,0.12);
}

.footer-grid h4 {
  color: #fff;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 14px;
}

.footer-grid ul { list-style: none; padding: 0; margin: 0; }
.footer-grid li { margin-bottom: 9px; font-size: 0.9rem; }
.footer-grid a { color: var(--navy-100); }
.footer-grid a:hover { color: #fff; }

.footer-grid p { color: var(--navy-100); font-size: 0.9rem; }

.footer-bottom {
  padding-top: 20px;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
  font-size: 0.82rem;
  color: #9fb0c3;
}

/* ---------- Free sample ---------- */

.free-sample-section {
  padding: 56px 0;
}

.sample-card {
  background: var(--paper-card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  overflow: hidden;
}

.sample-card-text {
  padding: 40px 44px;
  background: linear-gradient(180deg, var(--navy-800) 0%, var(--navy-900) 100%);
  color: #fff;
}

.sample-badge {
  display: inline-block;
  font-family: "Helvetica Neue", Arial, sans-serif;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  color: var(--navy-900);
  background: var(--gold-500);
  padding: 5px 12px;
  border-radius: 100px;
  margin-bottom: 16px;
}

.sample-card-text h2 {
  color: #fff;
  font-size: 1.5rem;
  margin-bottom: 12px;
}

.sample-card-text p {
  color: var(--navy-100);
  font-size: 0.96rem;
}

.sample-points {
  font-family: "Helvetica Neue", Arial, sans-serif;
  font-size: 0.88rem;
  color: var(--navy-100);
  margin: 18px 0 0;
  padding-left: 18px;
}

.sample-points li { margin-bottom: 8px; }

.sample-card-form {
  padding: 40px 44px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.sample-form label {
  display: block;
  font-family: "Helvetica Neue", Arial, sans-serif;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--navy-800);
  margin-bottom: 8px;
}

.sample-form input[type="email"] {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 7px;
  font-family: "Helvetica Neue", Arial, sans-serif;
  font-size: 0.95rem;
  color: var(--ink);
  margin-bottom: 16px;
  background: #fff;
}

.sample-form button {
  width: 100%;
  border: none;
  font-size: 0.95rem;
}

.sample-form button:disabled {
  opacity: 0.7;
  cursor: default;
  transform: none;
}

.sample-note {
  font-family: "Helvetica Neue", Arial, sans-serif;
  font-size: 0.78rem;
  color: var(--ink-soft);
  text-align: center;
  margin: 12px 0 0;
}

.sample-error {
  font-family: "Helvetica Neue", Arial, sans-serif;
  font-size: 0.82rem;
  color: #b33636;
  margin: 12px 0 0;
}

.sample-success { text-align: center; }

.sample-success-icon {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--green-600);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  margin: 0 auto 16px;
  font-family: "Helvetica Neue", Arial, sans-serif;
}

.sample-success h3 { font-size: 1.15rem; margin-bottom: 8px; }
.sample-success p { color: var(--ink-soft); font-size: 0.92rem; margin-bottom: 20px; }

/* ---------- Misc ---------- */

.notice-banner {
  background: #fff7e6;
  border: 1px solid #f0d38a;
  color: #6b4d0a;
  border-radius: 8px;
  padding: 14px 18px;
  font-family: "Helvetica Neue", Arial, sans-serif;
  font-size: 0.88rem;
  max-width: var(--max-w);
  margin: 20px auto 0;
}

/* ---------- Responsive ---------- */

@media (max-width: 860px) {
  .hero .container { grid-template-columns: 1fr; }
  .grid-3 { grid-template-columns: 1fr 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .sample-card { grid-template-columns: 1fr; }
  .sample-card-text, .sample-card-form { padding: 32px 28px; }
}

@media (max-width: 640px) {
  nav.main-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--navy-900);
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    padding: 6px 24px 18px;
    display: none;
  }
  nav.main-nav.open { display: flex; }
  nav.main-nav a {
    padding: 12px 0;
    width: 100%;
    border-bottom: 1px solid rgba(255,255,255,0.08);
  }
  .nav-toggle { display: block; }
  .grid-3, .grid-2 { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .hero h1 { font-size: 1.9rem; }
  .steps { grid-template-columns: 1fr; }
}