/* ==========================================================================
   Emails.Help — Design tokens
   Palette: white canvas, cobalt signal-blue accent, warm amber for CTAs,
   ink-navy text. Type: Space Grotesk (display) + Inter (body) + JetBrains
   Mono (technical meta — IMAP/SMTP/ports, timestamps, category labels).
   Signature: "inbox row" list styling + address-bar-style search field.
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@500;600;700&family=Inter:wght@400;500;600;700&family=JetBrains+Mono:wght@400;500&display=swap');

:root {
  --color-bg: #ffffff;
  --color-bg-tint: #F4F8FF;
  --color-ink: #10192E;
  --color-ink-soft: #4B5768;
  --color-border: #E3E9F2;
  --color-blue: #2451FF;
  --color-blue-dark: #1636B8;
  --color-blue-tint: #EAF1FF;
  --color-amber: #F5A524;
  --color-amber-dark: #C97D0A;
  --color-success: #1B8A5A;
  --color-error: #D23C3C;

  --font-display: 'Space Grotesk', 'Segoe UI', sans-serif;
  --font-body: 'Inter', 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', 'Courier New', monospace;

  --radius: 10px;
  --radius-sm: 6px;
  --shadow-card: 0 1px 2px rgba(16, 25, 46, 0.04), 0 4px 16px rgba(16, 25, 46, 0.06);
  --shadow-hover: 0 8px 24px rgba(36, 81, 255, 0.14);
  --max-width: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--color-ink);
  background: var(--color-bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--color-blue); text-decoration: none; }
a:hover { text-decoration: underline; }
h1, h2, h3, h4 { font-family: var(--font-display); font-weight: 600; line-height: 1.2; color: var(--color-ink); margin: 0 0 0.5em; }
h1 { font-size: clamp(2rem, 4vw, 2.75rem); font-weight: 700; }
h2 { font-size: clamp(1.4rem, 2.6vw, 1.9rem); }
.container { max-width: var(--max-width); margin: 0 auto; padding: 0 24px; }
.container.narrow { max-width: 760px; }
:focus-visible { outline: 2px solid var(--color-blue); outline-offset: 2px; }

/* ---------------------------------------------------------------
   Header
   --------------------------------------------------------------- */
.site-header { border-bottom: 1px solid var(--color-border); position: sticky; top: 0; background: rgba(255,255,255,0.92); backdrop-filter: blur(8px); z-index: 100; }
.header-inner { display: flex; align-items: center; gap: 28px; padding: 16px 24px; }
.logo { font-family: var(--font-display); font-weight: 700; font-size: 1.25rem; color: var(--color-ink); }
.main-nav ul { display: flex; gap: 22px; list-style: none; margin: 0; padding: 0; }
.main-nav a { color: var(--color-ink-soft); font-weight: 500; font-size: 0.94rem; }
.main-nav a:hover { color: var(--color-blue); text-decoration: none; }
.main-nav .has-dropdown { position: relative; }
.main-nav .dropdown {
  display: none; position: absolute; top: 100%; left: 0; background: #fff; border: 1px solid var(--color-border);
  border-radius: var(--radius-sm); box-shadow: var(--shadow-card); list-style: none; padding: 8px; margin: 8px 0 0; min-width: 180px; flex-direction: column; gap: 0;
}
.main-nav .has-dropdown:hover .dropdown { display: flex; }
.main-nav .dropdown li { width: 100%; }
.main-nav .dropdown a { display: block; padding: 6px 10px; border-radius: var(--radius-sm); }
.main-nav .dropdown a:hover { background: var(--color-blue-tint); text-decoration: none; }

.header-search { margin-left: auto; display: flex; align-items: center; border: 1.5px solid var(--color-border); border-radius: 999px; padding: 6px 6px 6px 14px; font-family: var(--font-mono); font-size: 0.85rem; background: var(--color-bg-tint); }
.header-search input { border: none; background: transparent; outline: none; width: 180px; font-family: var(--font-mono); font-size: 0.85rem; color: var(--color-ink); }
.header-search button { border: none; background: var(--color-blue); color: #fff; width: 28px; height: 28px; border-radius: 50%; cursor: pointer; }

.mobile-nav-toggle { display: none; background: none; border: none; font-size: 1.4rem; cursor: pointer; }
.mobile-nav { border-bottom: 1px solid var(--color-border); background: #fff; }
.mobile-nav ul { list-style: none; margin: 0; padding: 12px 24px; display: flex; flex-direction: column; gap: 4px; }
.mobile-nav a { display: block; padding: 8px 0; color: var(--color-ink); font-weight: 500; }

@media (max-width: 900px) {
  .main-nav, .header-search { display: none; }
  .mobile-nav-toggle { display: block; margin-left: auto; }
}

/* ---------------------------------------------------------------
   Hero — address-bar-styled search (signature element)
   --------------------------------------------------------------- */
.hero { padding: 88px 0 72px; background: linear-gradient(180deg, var(--color-blue-tint) 0%, #ffffff 100%); text-align: center; }
.hero h1 { max-width: 760px; margin: 0 auto 14px; }
.hero p { max-width: 560px; margin: 0 auto 32px; color: var(--color-ink-soft); font-size: 1.1rem; }
.hero-search, .page-search {
  max-width: 620px; margin: 0 auto; display: flex; align-items: center; gap: 0;
  background: #fff; border: 1.5px solid var(--color-border); border-radius: 999px; padding: 6px 6px 6px 22px;
  box-shadow: var(--shadow-card);
}
.hero-search::before { content: '@'; font-family: var(--font-mono); color: var(--color-blue); font-weight: 500; margin-right: 10px; }
.hero-search input, .page-search input { flex: 1; border: none; outline: none; font-family: var(--font-mono); font-size: 1rem; padding: 10px 0; }
.hero-search button, .page-search button { border: none; background: var(--color-blue); color: #fff; padding: 12px 26px; border-radius: 999px; font-weight: 600; cursor: pointer; font-family: var(--font-body); }
.hero-search button:hover, .page-search button:hover { background: var(--color-blue-dark); }

/* ---------------------------------------------------------------
   Sections & grids
   --------------------------------------------------------------- */
.section { padding: 56px 0; }
.section h2 { margin-bottom: 24px; }
.section:nth-of-type(even) { background: var(--color-bg-tint); }

.provider-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); gap: 14px; }
.provider-card { display: flex; flex-direction: column; align-items: center; gap: 10px; padding: 22px 12px; background: #fff; border: 1px solid var(--color-border); border-radius: var(--radius); text-align: center; color: var(--color-ink); font-weight: 500; transition: box-shadow .15s, transform .15s; }
.provider-card:hover { box-shadow: var(--shadow-hover); transform: translateY(-2px); text-decoration: none; }
.provider-icon { width: 42px; height: 42px; border-radius: 50%; background: var(--color-blue-tint); color: var(--color-blue-dark); font-family: var(--font-display); font-weight: 700; display: flex; align-items: center; justify-content: center; }

.article-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(270px, 1fr)); gap: 22px; }
.article-card { background: #fff; border: 1px solid var(--color-border); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-card); transition: box-shadow .15s, transform .15s; }
.article-card:hover { box-shadow: var(--shadow-hover); transform: translateY(-2px); }
.article-card-img img { width: 100%; aspect-ratio: 5/3; object-fit: cover; }
.article-card-body { padding: 18px; }
.article-card-body h3 { font-size: 1.05rem; margin: 6px 0 8px; }
.article-card-body h3 a { color: var(--color-ink); }
.article-card-body p { color: var(--color-ink-soft); font-size: 0.92rem; margin: 0 0 10px; }
.category-pill { display: inline-block; background: var(--color-blue-tint); color: var(--color-blue-dark); font-family: var(--font-mono); font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.04em; padding: 3px 10px; border-radius: 999px; margin-bottom: 4px; }
.meta { font-family: var(--font-mono); font-size: 0.78rem; color: var(--color-ink-soft); }

/* "Inbox row" list styling — signature element for troubleshooting/security cards */
.card-row { display: flex; flex-direction: column; border: 1px solid var(--color-border); border-radius: var(--radius); overflow: hidden; background: #fff; }
.mini-card {
  display: flex; align-items: center; gap: 12px; padding: 14px 18px; color: var(--color-ink);
  border-bottom: 1px solid var(--color-border); font-weight: 500; position: relative; padding-left: 30px;
}
.mini-card:last-child { border-bottom: none; }
.mini-card::before { content: '✉'; position: absolute; left: 14px; color: var(--color-amber); font-size: 0.9rem; }
.mini-card:hover { background: var(--color-bg-tint); text-decoration: none; }

/* ---------------------------------------------------------------
   Newsletter
   --------------------------------------------------------------- */
.newsletter-section { text-align: center; }
.newsletter-form { display: flex; gap: 10px; max-width: 420px; margin: 0 auto; }
.newsletter-form input { flex: 1; padding: 12px 16px; border: 1.5px solid var(--color-border); border-radius: var(--radius-sm); font-family: var(--font-mono); font-size: 0.9rem; }
.newsletter-form button { background: var(--color-amber); color: #1a1200; border: none; padding: 12px 22px; border-radius: var(--radius-sm); font-weight: 700; cursor: pointer; }
.newsletter-form button:hover { background: var(--color-amber-dark); }

/* ---------------------------------------------------------------
   Article page
   --------------------------------------------------------------- */
.single-article { padding: 40px 0 64px; }
.breadcrumbs { font-family: var(--font-mono); font-size: 0.8rem; color: var(--color-ink-soft); margin-bottom: 20px; }
.breadcrumbs .sep { margin: 0 8px; }
.article-header { margin-bottom: 20px; }
.article-meta { display: flex; gap: 16px; font-family: var(--font-mono); font-size: 0.82rem; color: var(--color-ink-soft); flex-wrap: wrap; }
.featured-image { width: 100%; border-radius: var(--radius); margin: 24px 0; aspect-ratio: 16/9; object-fit: cover; }
.article-actions { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 12px; padding: 12px 0; border-top: 1px solid var(--color-border); border-bottom: 1px solid var(--color-border); margin-bottom: 24px; }
.copy-link-btn { border: 1px solid var(--color-border); background: #fff; padding: 8px 14px; border-radius: var(--radius-sm); cursor: pointer; font-size: 0.85rem; }
.share-links { display: flex; gap: 14px; font-size: 0.85rem; }
.toc { background: var(--color-bg-tint); border: 1px solid var(--color-border); border-radius: var(--radius); padding: 4px 20px; margin-bottom: 28px; }
.toc h2 { font-size: 0.95rem; text-transform: uppercase; letter-spacing: .04em; font-family: var(--font-mono); color: var(--color-blue-dark); }
.toc ul { padding-left: 18px; }
.toc li.h3 { list-style: none; margin-left: 14px; font-size: 0.9rem; }
.article-content { font-size: 1.05rem; }
.article-content h2 { margin-top: 2em; }
.article-content h3 { margin-top: 1.5em; }
.article-content img { border-radius: var(--radius); margin: 1.2em 0; }
.article-content code { background: var(--color-bg-tint); font-family: var(--font-mono); padding: 2px 6px; border-radius: 4px; font-size: 0.9em; }
.article-tags { display: flex; gap: 8px; flex-wrap: wrap; margin: 28px 0; }
.tag-pill { font-family: var(--font-mono); font-size: 0.78rem; background: var(--color-bg-tint); color: var(--color-ink-soft); padding: 4px 12px; border-radius: 999px; }
.faq-section { margin: 40px 0; }
.faq-item { border: 1px solid var(--color-border); border-radius: var(--radius-sm); padding: 14px 18px; margin-bottom: 10px; }
.faq-item summary { cursor: pointer; font-weight: 600; }
.faq-item div { margin-top: 10px; color: var(--color-ink-soft); }
.ad-slot { margin: 32px 0; text-align: center; }
.related-articles { margin-top: 48px; }

/* ---------------------------------------------------------------
   Static pages / search / category
   --------------------------------------------------------------- */
.static-page { padding: 56px 0; }
.category-archive { padding: 40px 0 64px; }
.category-desc { color: var(--color-ink-soft); margin-bottom: 28px; }
.alert { padding: 12px 18px; border-radius: var(--radius-sm); margin-bottom: 18px; font-size: 0.9rem; }
.alert-success { background: #E7F7EF; color: var(--color-success); }
.alert-error { background: #FCEAEA; color: var(--color-error); }
.contact-form { display: flex; flex-direction: column; gap: 16px; margin-top: 24px; }
.contact-form label { font-weight: 600; font-size: 0.9rem; display: flex; flex-direction: column; gap: 6px; }
.contact-form input, .contact-form textarea { border: 1.5px solid var(--color-border); border-radius: var(--radius-sm); padding: 10px 14px; font-family: var(--font-body); font-weight: 400; font-size: 0.95rem; }
.contact-form button { align-self: flex-start; background: var(--color-blue); color: #fff; border: none; padding: 12px 26px; border-radius: var(--radius-sm); font-weight: 600; cursor: pointer; }
.honeypot { position: absolute; left: -9999px; }

.pagination { display: flex; gap: 6px; justify-content: center; margin-top: 32px; font-family: var(--font-mono); font-size: 0.85rem; }
.page-link { border: 1px solid var(--color-border); border-radius: var(--radius-sm); padding: 8px 13px; color: var(--color-ink); }
.page-link.active { background: var(--color-blue); border-color: var(--color-blue); color: #fff; }
.page-link:hover { text-decoration: none; border-color: var(--color-blue); }
.page-dots { padding: 8px 4px; color: var(--color-ink-soft); }

/* ---------------------------------------------------------------
   Footer
   --------------------------------------------------------------- */
.site-footer { background: var(--color-ink); color: #C7D0E0; margin-top: 40px; }
.footer-inner { display: grid; grid-template-columns: 2fr 1fr 1fr 1.4fr; gap: 32px; padding: 56px 24px; }
.footer-col h3 { color: #fff; }
.footer-col h4 { color: #fff; font-size: 0.9rem; text-transform: uppercase; letter-spacing: .04em; font-family: var(--font-mono); }
.footer-col ul { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 8px; }
.footer-col a { color: #C7D0E0; }
.footer-col a:hover { color: #fff; }
.footer-col form { display: flex; gap: 8px; margin-top: 10px; }
.footer-col input { flex: 1; min-width: 0; border: 1px solid #33405C; background: #16223B; color: #fff; padding: 9px 12px; border-radius: var(--radius-sm); font-family: var(--font-mono); font-size: 0.85rem; }
.footer-col button { background: var(--color-amber); border: none; padding: 9px 14px; border-radius: var(--radius-sm); font-weight: 700; cursor: pointer; }
.footer-bottom { padding: 20px 24px; border-top: 1px solid #26314A; font-size: 0.8rem; color: #8493AC; }

@media (max-width: 900px) {
  .footer-inner { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 560px) {
  .footer-inner { grid-template-columns: 1fr; }
  .hero { padding: 56px 0 48px; }
}