/* ============================================================================
   GEM NET PAKISTAN — style.css
   Site 04 of 16 · Content DNA: FAQ-First · Design: D7 Soft Magazine
   ============================================================================ */

/* ---------- Design tokens ------------------------------------------------- */
:root {
  /* Palette */
  --bg:        #f9f5ec;   /* newsprint cream — page background */
  --ink:       #2a2724;   /* primary ink */
  --ink-soft:  #4a4540;   /* secondary text */
  --muted:     #6b6660;   /* tertiary text, captions */
  --accent:    #b91c1c;   /* vermillion red — kickers, accents */
  --accent-dk: #8e1313;   /* hover state */
  --border:    #d9d2c2;   /* subtle rules and card borders */
  --border-dk: #2a2724;   /* heavy rules (masthead, footer) */
  --ochre:     #c9bb98;   /* faded drop-cap numbers */
  --card:      #ffffff;   /* card background */
  --soft:      #f0ead8;   /* secondary surface */
  --info-bg:   #f4ede0;   /* notice box background */

  /* Typography */
  --serif:     'Lora', Georgia, 'Times New Roman', serif;
  --sans:      'Source Sans 3', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  /* Layout */
  --maxw:      1140px;
  --maxw-read: 720px;       /* article reading width */
  --gap:       24px;
  --gap-lg:    40px;
  --radius:    4px;         /* deliberately small — newspaper aesthetic */
}

/* ---------- Reset --------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.62;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img, svg { max-width: 100%; height: auto; display: block; }
a { color: var(--accent); text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: 2px; }
a:hover { color: var(--accent-dk); }
button { font: inherit; cursor: pointer; }
table { border-collapse: collapse; width: 100%; }

/* ---------- Typography ---------------------------------------------------- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--serif);
  color: var(--ink);
  font-weight: 600;
  line-height: 1.22;
  margin: 0 0 0.5em;
  letter-spacing: -0.2px;
}
h1 { font-size: 34px; line-height: 1.15; letter-spacing: -0.5px; }
h2 { font-size: 26px; margin-top: 1.8em; }
h3 { font-size: 20px; margin-top: 1.6em; }
h4 { font-size: 17px; margin-top: 1.4em; }
p  { margin: 0 0 1.05em; }
.lede { font-size: 19px; color: var(--ink-soft); line-height: 1.55; margin-bottom: 1.4em; }
.kicker {
  font-family: var(--sans);
  font-size: 11px;
  letter-spacing: 1.8px;
  text-transform: uppercase;
  color: var(--accent);
  font-weight: 600;
  margin-bottom: 8px;
  display: inline-block;
}
small, .small { font-size: 14px; color: var(--muted); }
strong { font-weight: 600; }
ul, ol { padding-left: 1.4em; margin: 0 0 1.1em; }
li { margin-bottom: 0.4em; }
code, kbd, samp { font-family: ui-monospace, Menlo, Consolas, monospace; font-size: 0.9em; background: var(--soft); padding: 1px 5px; border-radius: 3px; }

/* ---------- Layout container --------------------------------------------- */
.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 22px; }
.wrap-read { max-width: var(--maxw-read); margin: 0 auto; padding: 0 22px; }
.row { display: grid; gap: var(--gap); }
.row-2     { grid-template-columns: 1.5fr 1fr; }
.row-3     { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.row-4     { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.section { margin: 48px 0; }
.section + .section { padding-top: 36px; border-top: 0.5px solid var(--border); }
.divider-soft { border: 0; border-top: 0.5px solid var(--border); margin: 28px 0; }

/* ---------- Skip link (a11y) --------------------------------------------- */
.skip {
  position: absolute; left: -9999px; top: 0;
  background: var(--ink); color: var(--bg);
  padding: 10px 16px; z-index: 100;
}
.skip:focus { left: 12px; top: 12px; }

/* ---------- Masthead / Header -------------------------------------------- */
.masthead {
  background: var(--bg);
  border-top: 3px double var(--border-dk);
  border-bottom: 0.5px solid var(--border-dk);
  padding: 22px 0 18px;
  text-align: center;
}
.masthead-title {
  font-family: var(--serif);
  font-size: 42px;
  font-weight: 700;
  color: var(--ink);
  margin: 0;
  letter-spacing: -0.6px;
  text-decoration: none;
  display: inline-block;
}
.masthead-title:hover { color: var(--ink); }
.dateline {
  font-family: var(--sans);
  font-size: 11px;
  letter-spacing: 1.6px;
  text-transform: uppercase;
  color: var(--muted);
  margin-top: 8px;
  font-weight: 500;
}
.dateline .sep { color: var(--border); margin: 0 8px; }

/* Navigation under masthead */
.mainnav {
  background: var(--bg);
  border-bottom: 0.5px solid var(--border-dk);
  font-family: var(--sans);
}
.mainnav-inner { display: flex; align-items: center; justify-content: center; gap: 28px; padding: 12px 22px; flex-wrap: wrap; }
.mainnav a { color: var(--ink); text-decoration: none; font-size: 14px; font-weight: 500; letter-spacing: 0.3px; padding: 6px 0; position: relative; }
.mainnav a:hover { color: var(--accent); }
.mainnav .has-children { position: relative; }
.mainnav .has-children > a::after { content: '▾'; font-size: 9px; margin-left: 5px; color: var(--muted); }
.mainnav .submenu {
  position: absolute; left: 50%; top: 100%; transform: translateX(-50%);
  background: var(--card); border: 0.5px solid var(--border);
  padding: 10px 0; min-width: 180px;
  display: none; z-index: 50; box-shadow: 0 6px 18px rgba(42, 39, 36, 0.08);
}
.mainnav .submenu a { display: block; padding: 6px 18px; font-size: 14px; font-weight: 400; }
.mainnav .submenu a:hover { background: var(--soft); color: var(--accent); }
.mainnav .has-children:hover .submenu,
.mainnav .has-children:focus-within .submenu { display: block; }

/* Mobile nav toggle */
.navtoggle { display: none; background: none; border: 0.5px solid var(--border-dk); color: var(--ink); padding: 6px 12px; font-size: 14px; border-radius: var(--radius); }

/* ---------- Breadcrumbs --------------------------------------------------- */
.crumbs {
  font-family: var(--sans);
  font-size: 12px;
  color: var(--muted);
  margin: 22px 0 12px;
  letter-spacing: 0.2px;
}
.crumbs a { color: var(--muted); text-decoration: none; }
.crumbs a:hover { color: var(--accent); }
.crumbs .sep { margin: 0 7px; color: var(--border); }

/* ---------- Article page (telecom, calculator, PBN) ---------------------- */
.article-meta {
  font-family: var(--sans);
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 22px;
  letter-spacing: 0.2px;
}
.article-meta .author { color: var(--ink); font-weight: 500; }
.article-meta .sep { margin: 0 9px; color: var(--border); }

/* ---------- FAQ-First Box (THE defining DNA visual) ---------------------- */
.faq-first-box {
  background: var(--card);
  border-left: 3px solid var(--accent);
  padding: 22px 26px;
  margin: 26px 0 32px;
  border-radius: 0;  /* never round single-sided border */
}
.faq-first-label {
  font-family: var(--sans);
  font-size: 10px;
  letter-spacing: 1.6px;
  text-transform: uppercase;
  color: var(--accent);
  font-weight: 600;
  margin-bottom: 14px;
}
.faq-first-item { margin-bottom: 18px; }
.faq-first-item:last-child { margin-bottom: 0; }
.faq-first-item h3 {
  font-family: var(--serif);
  font-style: italic;
  font-weight: 500;
  font-size: 18px;
  margin: 0 0 6px;
  color: var(--ink);
  line-height: 1.32;
  letter-spacing: 0;
}
.faq-first-item p {
  font-size: 16px;
  color: var(--ink-soft);
  margin: 0;
  line-height: 1.58;
}

/* ---------- Bottom FAQ accordion ----------------------------------------- */
.faq-accordion { margin: 30px 0; }
.faq-accordion h2 { margin-bottom: 16px; }
.faq-item {
  border-bottom: 0.5px solid var(--border);
}
.faq-item:first-child { border-top: 0.5px solid var(--border); }
.faq-q {
  width: 100%;
  text-align: left;
  background: none;
  border: 0;
  padding: 16px 36px 16px 0;
  font-family: var(--serif);
  font-size: 17px;
  font-weight: 600;
  color: var(--ink);
  position: relative;
  line-height: 1.32;
}
.faq-q::after {
  content: '+';
  position: absolute;
  right: 6px; top: 14px;
  font-family: var(--sans);
  font-size: 22px;
  font-weight: 400;
  color: var(--accent);
  transition: transform 180ms ease;
}
.faq-q[aria-expanded="true"]::after { content: '−'; }
.faq-q:hover { color: var(--accent); }
.faq-a {
  padding: 0 0 18px;
  color: var(--ink-soft);
  font-size: 16px;
  line-height: 1.6;
  display: none;
}
.faq-q[aria-expanded="true"] + .faq-a { display: block; }

/* ---------- Cards (homepage tiles, package previews) --------------------- */
.card {
  background: var(--card);
  border: 0.5px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 20px;
  transition: border-color 180ms ease;
}
.card:hover { border-color: var(--ink-soft); }
.card a.card-link {
  color: var(--ink);
  text-decoration: none;
  display: block;
}
.card a.card-link:hover .card-title { color: var(--accent); }
.card-title {
  font-family: var(--serif);
  font-size: 17px;
  font-weight: 600;
  margin: 0 0 5px;
  line-height: 1.3;
  transition: color 180ms ease;
}
.card-sub { font-size: 13px; color: var(--muted); margin: 0; line-height: 1.5; }
.card-price {
  font-family: var(--serif);
  font-size: 17px;
  color: var(--accent);
  font-weight: 600;
  margin-top: 8px;
  display: block;
}

/* Numbered article list (homepage / footer) */
.numbered-list { list-style: none; padding: 0; margin: 0; }
.numbered-list li {
  display: flex;
  gap: 14px;
  padding: 12px 0;
  border-bottom: 0.5px solid var(--border);
  margin: 0;
}
.numbered-list li:last-child { border-bottom: none; }
.numbered-list .num {
  font-family: var(--serif);
  font-size: 30px;
  color: var(--ochre);
  line-height: 1;
  min-width: 32px;
  font-weight: 500;
}
.numbered-list .item-title {
  font-family: var(--serif);
  font-size: 15px;
  font-weight: 600;
  margin: 0 0 3px;
  line-height: 1.3;
}
.numbered-list .item-title a { color: var(--ink); text-decoration: none; }
.numbered-list .item-title a:hover { color: var(--accent); }
.numbered-list .item-meta { font-size: 11px; color: var(--muted); text-transform: uppercase; letter-spacing: 0.7px; }

/* ---------- Tables (package comparison, calculator results) -------------- */
.table-scroll { overflow-x: auto; -webkit-overflow-scrolling: touch; margin: 18px 0 24px; }
table.pkg-table {
  font-family: var(--sans);
  font-size: 14px;
  min-width: 540px;
  background: var(--card);
  border: 0.5px solid var(--border);
}
table.pkg-table th, table.pkg-table td {
  padding: 11px 14px;
  text-align: left;
  border-bottom: 0.5px solid var(--border);
  vertical-align: top;
}
table.pkg-table thead th {
  background: var(--soft);
  font-weight: 600;
  color: var(--ink);
  font-size: 12px;
  letter-spacing: 0.4px;
  text-transform: uppercase;
}
table.pkg-table tbody tr:last-child td { border-bottom: none; }
table.pkg-table .price-cell { color: var(--accent); font-weight: 600; white-space: nowrap; }
table.pkg-table .code-cell { font-family: ui-monospace, Menlo, monospace; white-space: nowrap; }

/* ---------- Notice / callout box ----------------------------------------- */
.notice {
  background: var(--info-bg);
  border: 0.5px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 18px;
  font-size: 15px;
  color: var(--ink-soft);
  margin: 20px 0;
  line-height: 1.55;
}
.notice strong { color: var(--ink); }

/* ---------- Calculator widget -------------------------------------------- */
/* Pattern: <div class="calc-tool"> + <input> + <button type="button">       */
/* NEVER use <form> elements.                                                */
.calc-tool {
  background: var(--card);
  border: 0.5px solid var(--border);
  border-radius: var(--radius);
  padding: 24px 26px;
  margin: 24px 0 30px;
}
.calc-tool h3 {
  font-family: var(--serif);
  font-size: 18px;
  margin: 0 0 16px;
  padding-bottom: 10px;
  border-bottom: 0.5px solid var(--border);
}
.calc-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px 18px; margin-bottom: 16px; }
.calc-field { display: flex; flex-direction: column; gap: 5px; }
.calc-field label {
  font-family: var(--sans);
  font-size: 13px;
  color: var(--ink-soft);
  font-weight: 500;
}
.calc-field input, .calc-field select {
  font-family: var(--sans);
  font-size: 15px;
  padding: 9px 11px;
  border: 0.5px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg);
  color: var(--ink);
  transition: border-color 150ms ease;
}
.calc-field input:focus, .calc-field select:focus {
  outline: 0;
  border-color: var(--accent);
}
.calc-field input::placeholder { color: var(--muted); }
.calc-actions { display: flex; gap: 10px; margin-top: 18px; }
.btn {
  font-family: var(--sans);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.3px;
  padding: 10px 22px;
  border: 0.5px solid var(--accent);
  background: var(--accent);
  color: var(--card);
  border-radius: var(--radius);
  cursor: pointer;
  transition: background 150ms ease;
}
.btn:hover { background: var(--accent-dk); border-color: var(--accent-dk); }
.btn-ghost {
  background: transparent;
  color: var(--ink);
  border: 0.5px solid var(--border-dk);
}
.btn-ghost:hover { background: var(--soft); color: var(--ink); }

.calc-result {
  background: var(--soft);
  border-radius: var(--radius);
  padding: 16px 18px;
  margin-top: 18px;
  font-family: var(--sans);
}
.calc-result-row {
  display: flex; justify-content: space-between; align-items: baseline;
  padding: 6px 0;
  border-bottom: 0.5px dashed var(--border);
  font-size: 14px;
}
.calc-result-row:last-child { border-bottom: none; }
.calc-result-row .lbl { color: var(--ink-soft); }
.calc-result-row .val { font-weight: 600; color: var(--ink); }
.calc-result-row.total .val { font-family: var(--serif); font-size: 22px; color: var(--accent); }
.calc-result-row.total .lbl { font-weight: 600; color: var(--ink); }

/* ---------- Internal link list (related pages) --------------------------- */
.related {
  background: var(--soft);
  padding: 20px 24px;
  margin: 36px 0;
  border-radius: var(--radius);
}
.related h3 { font-size: 16px; margin: 0 0 12px; font-family: var(--sans); text-transform: uppercase; letter-spacing: 1px; color: var(--muted); font-weight: 600; }
.related ul { list-style: none; padding: 0; margin: 0; columns: 2; column-gap: 24px; }
.related li { margin-bottom: 8px; break-inside: avoid; font-size: 15px; }
.related a { color: var(--ink); text-decoration: none; border-bottom: 0.5px solid var(--border); padding-bottom: 1px; }
.related a:hover { color: var(--accent); border-color: var(--accent); }

/* ---------- Footer -------------------------------------------------------- */
.sitefoot {
  background: var(--bg);
  border-top: 3px double var(--border-dk);
  margin-top: 60px;
  padding: 36px 0 22px;
  font-family: var(--sans);
}
.foot-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; }
.foot-grid h4 {
  font-family: var(--sans);
  font-size: 11px;
  letter-spacing: 1.6px;
  text-transform: uppercase;
  color: var(--accent);
  font-weight: 600;
  margin: 0 0 12px;
}
.foot-grid ul { list-style: none; padding: 0; margin: 0; }
.foot-grid li { margin-bottom: 7px; font-size: 14px; }
.foot-grid a { color: var(--ink); text-decoration: none; }
.foot-grid a:hover { color: var(--accent); }
.foot-bottom {
  border-top: 0.5px solid var(--border);
  margin-top: 28px;
  padding-top: 16px;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 12px;
  color: var(--muted);
}
.foot-disclaimer {
  font-size: 12px;
  color: var(--muted);
  margin-top: 14px;
  line-height: 1.55;
  max-width: 720px;
}

/* ---------- 404 page ------------------------------------------------------ */
.errorpage {
  text-align: center;
  padding: 80px 22px;
}
.errorpage .errnum {
  font-family: var(--serif);
  font-size: 96px;
  color: var(--ochre);
  line-height: 1;
  margin-bottom: 12px;
}
.errorpage h1 { font-size: 30px; margin-bottom: 14px; }
.errorpage p { color: var(--ink-soft); max-width: 460px; margin: 0 auto 22px; }

/* ---------- Responsive --------------------------------------------------- */
@media (max-width: 900px) {
  .row-2 { grid-template-columns: 1fr; }
  .row-3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .row-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .foot-grid { grid-template-columns: repeat(2, 1fr); }
  .related ul { columns: 1; }
  h1 { font-size: 28px; }
  h2 { font-size: 22px; }
  .masthead-title { font-size: 34px; }
}

@media (max-width: 640px) {
  body { font-size: 16px; }
  .row-3, .row-4 { grid-template-columns: 1fr; }
  .foot-grid { grid-template-columns: 1fr; }
  .calc-row { grid-template-columns: 1fr; }
  .masthead { padding: 16px 0 14px; }
  .masthead-title { font-size: 28px; }
  .dateline { font-size: 10px; letter-spacing: 1.2px; }
  .dateline .sep { display: none; }
  .dateline .dateline-line { display: block; margin-top: 4px; }
  .mainnav-inner { gap: 16px; padding: 10px 18px; justify-content: flex-start; overflow-x: auto; flex-wrap: nowrap; }
  .mainnav .submenu { position: static; transform: none; border: none; padding: 0 0 6px 14px; box-shadow: none; display: none; }
  .mainnav .has-children.open .submenu { display: block; }
  .navtoggle { display: inline-block; }
  .faq-first-box { padding: 18px 20px; }
  .faq-first-item h3 { font-size: 16px; }
  .calc-tool { padding: 18px 18px; }
  .errorpage .errnum { font-size: 72px; }
}

/* ---------- Print --------------------------------------------------------- */
@media print {
  .mainnav, .sitefoot, .navtoggle { display: none; }
  body { background: #fff; color: #000; }
  .faq-first-box { border-left-color: #000; }
  a { color: #000; text-decoration: none; }
}