/* ============================================================
   iPhoneGuia – style.css
   Design: Editorial tech blog, inspired by Wirecutter / The Verge
   Fonts: DM Sans (body) + DM Serif Display (headings)
   ============================================================ */

/* ── Variables ─────────────────────────────────────────────── */
:root {
  --c-bg:        #fafaf8;
  --c-surface:   #ffffff;
  --c-border:    #e8e8e4;
  --c-text:      #1a1a18;
  --c-muted:     #6b6b67;
  --c-accent:    #0070f3;
  --c-accent-dk: #0057c2;
  --c-green:     #16a34a;
  --c-badge:     #f97316;

  --font-body:    'DM Sans', system-ui, sans-serif;
  --font-display: 'DM Serif Display', Georgia, serif;

  --max-w:   1100px;
  --max-w-sm: 720px;
  --radius:  8px;
  --radius-lg: 16px;

  --shadow-sm: 0 1px 3px rgba(0,0,0,.08);
  --shadow-md: 0 4px 16px rgba(0,0,0,.10);
}

/* ── Reset ─────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.65;
  color: var(--c-text);
  background: var(--c-bg);
}
img, svg { display: block; max-width: 100%; }
a { color: var(--c-accent); text-decoration: none; }
a:hover { text-decoration: underline; }
ul { list-style: none; }

/* ── Container ─────────────────────────────────────────────── */
.container {
  width: 100%;
  max-width: var(--max-w);
  margin-inline: auto;
  padding-inline: 1.25rem;
}

/* ── Typography ────────────────────────────────────────────── */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  line-height: 1.2;
  color: var(--c-text);
}
h1 { font-size: clamp(2rem, 5vw, 3rem); }
h2 { font-size: clamp(1.4rem, 3vw, 2rem); }
h3 { font-size: clamp(1.1rem, 2vw, 1.4rem); }

.section-title {
  font-size: clamp(1.3rem, 3vw, 1.8rem);
  margin-bottom: 1.5rem;
}
.section-label {
  font-family: var(--font-body);
  font-size: .75rem;
  font-weight: 600;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--c-muted);
  margin-bottom: 1rem;
}

/* ── Buttons ───────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  padding: .65rem 1.4rem;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: .9rem;
  cursor: pointer;
  transition: all .18s ease;
  border: 2px solid transparent;
  text-decoration: none !important;
}
.btn-primary  { background: var(--c-accent); color: #fff; }
.btn-primary:hover { background: var(--c-accent-dk); }
.btn-ghost    { color: var(--c-accent); background: transparent; }
.btn-ghost:hover { background: rgba(0,112,243,.07); }
.btn-outline  { border-color: var(--c-border); color: var(--c-text); background: var(--c-surface); }
.btn-outline:hover { border-color: var(--c-accent); color: var(--c-accent); }
.btn-affiliate {
  background: #ffe600;
  color: #1a1a18;
  border-color: #ffe600;
  font-weight: 700;
  width: 100%;
  justify-content: center;
  margin-top: .75rem;
}
.btn-affiliate:hover { background: #e6cf00; border-color: #e6cf00; }

/* ── Header ────────────────────────────────────────────────── */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--c-surface);
  border-bottom: 1px solid var(--c-border);
  padding-block: .85rem;
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}
.site-logo img { height: 34px; width: auto; }

.nav-list {
  display: flex;
  gap: .25rem;
}
.nav-link {
  padding: .45rem .75rem;
  border-radius: var(--radius);
  font-size: .9rem;
  font-weight: 500;
  color: var(--c-text);
  transition: background .15s;
}
.nav-link:hover, .nav-link--active {
  background: rgba(0,112,243,.08);
  color: var(--c-accent);
  text-decoration: none;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: .5rem;
}
.hamburger-line {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--c-text);
  border-radius: 2px;
  transition: all .2s;
}

.mobile-menu {
  display: none;
  background: var(--c-surface);
  border-top: 1px solid var(--c-border);
  padding: 1rem 1.25rem;
}
.mobile-menu.is-open { display: block; }
.mobile-nav-link {
  display: block;
  padding: .65rem 0;
  font-size: 1rem;
  font-weight: 500;
  color: var(--c-text);
  border-bottom: 1px solid var(--c-border);
}
.mobile-nav-link:last-child { border-bottom: none; }

/* ── Hero ──────────────────────────────────────────────────── */
.hero {
  padding: 4.5rem 0 3.5rem;
  background: linear-gradient(135deg, #f0f4ff 0%, var(--c-bg) 60%);
  border-bottom: 1px solid var(--c-border);
}
.hero-inner { max-width: 640px; }
.hero-label {
  font-size: .8rem;
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--c-accent);
  margin-bottom: .75rem;
}
.hero-title {
  font-size: clamp(2.2rem, 5.5vw, 3.5rem);
  line-height: 1.1;
  margin-bottom: 1rem;
}
.hero-title em { font-style: italic; color: var(--c-accent); }
.hero-subtitle {
  font-size: 1.1rem;
  color: var(--c-muted);
  margin-bottom: 2rem;
  max-width: 520px;
}
.hero-cta-group { display: flex; gap: .75rem; flex-wrap: wrap; }

/* ── Categories strip ──────────────────────────────────────── */
.categories-strip {
  padding: 1.25rem 0;
  background: var(--c-surface);
  border-bottom: 1px solid var(--c-border);
  overflow-x: auto;
}
.categories-list {
  display: flex;
  gap: .5rem;
  flex-wrap: nowrap;
  min-width: max-content;
}
.cat-pill {
  display: inline-flex;
  align-items: center;
  gap: .35rem;
  padding: .45rem 1rem;
  background: var(--c-bg);
  border: 1px solid var(--c-border);
  border-radius: 99px;
  font-size: .85rem;
  font-weight: 500;
  color: var(--c-text);
  white-space: nowrap;
  transition: all .15s;
}
.cat-pill:hover { border-color: var(--c-accent); color: var(--c-accent); text-decoration: none; }

/* ── Article Cards ─────────────────────────────────────────── */
.latest-articles { padding: 3.5rem 0; }
.articles-list {
  display: grid;
  gap: 1.25rem;
}

.article-card {
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: box-shadow .2s, transform .2s;
}
.article-card:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }
.article-card-body { padding: 1.4rem 1.5rem; }
.article-card-meta {
  display: flex;
  align-items: center;
  gap: .75rem;
  font-size: .78rem;
  color: var(--c-muted);
  margin-bottom: .6rem;
}
.article-card-category {
  background: #eff6ff;
  color: var(--c-accent);
  padding: .2rem .6rem;
  border-radius: 99px;
  font-weight: 600;
  font-size: .72rem;
  text-transform: uppercase;
  letter-spacing: .05em;
}
.article-card-title { font-size: 1.15rem; margin-bottom: .5rem; }
.article-card-title a { color: var(--c-text); }
.article-card-title a:hover { color: var(--c-accent); text-decoration: none; }
.article-card-excerpt { color: var(--c-muted); font-size: .9rem; margin-bottom: 1rem; }
.article-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: .82rem;
}
.reading-time { color: var(--c-muted); }
.read-more { font-weight: 600; color: var(--c-accent); }

.view-all-wrap { text-align: center; margin-top: 2rem; }

/* ── Categories feature grid ────────────────────────────────── */
.categories-feature {
  padding: 3.5rem 0;
  background: var(--c-surface);
  border-top: 1px solid var(--c-border);
}
.categories-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  gap: 1rem;
}
.category-card {
  display: block;
  padding: 1.5rem;
  background: var(--c-bg);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-lg);
  transition: all .2s;
  color: var(--c-text);
}
.category-card:hover {
  border-color: var(--c-accent);
  background: #eff6ff;
  text-decoration: none;
  transform: translateY(-2px);
}
.category-card-icon { font-size: 2rem; margin-bottom: .65rem; }
.category-card h3 { font-size: 1rem; margin-bottom: .35rem; }
.category-card p { font-size: .85rem; color: var(--c-muted); }

/* ── Trust strip ───────────────────────────────────────────── */
.trust-strip {
  padding: 1.5rem 0;
  background: var(--c-text);
  color: #fff;
}
.trust-items {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  justify-content: center;
}
.trust-item {
  display: flex;
  align-items: center;
  gap: .5rem;
  font-size: .88rem;
  font-weight: 500;
}

/* ── Category page ─────────────────────────────────────────── */
.category-hero {
  padding: 3rem 0 2rem;
  background: linear-gradient(135deg, #f0f4ff 0%, var(--c-bg) 70%);
  border-bottom: 1px solid var(--c-border);
  margin-bottom: 2.5rem;
}
.category-title { margin-bottom: .75rem; }
.category-description { font-size: 1.05rem; color: var(--c-muted); max-width: 640px; }

.featured-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1rem;
  margin-bottom: 2.5rem;
}
.featured-card {
  display: block;
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  color: var(--c-text);
  transition: all .2s;
}
.featured-card:hover { box-shadow: var(--shadow-md); text-decoration: none; transform: translateY(-2px); }
.featured-category {
  font-size: .72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--c-accent);
  display: block;
  margin-bottom: .5rem;
}
.featured-title { font-size: 1.1rem; margin-bottom: .5rem; }
.featured-excerpt { font-size: .88rem; color: var(--c-muted); margin-bottom: .75rem; }
.featured-cta { font-size: .85rem; font-weight: 600; color: var(--c-accent); }

.articles-section { margin-bottom: 3rem; }

/* ── Article single ────────────────────────────────────────── */
.article-header {
  padding: 3rem 0 2rem;
  background: linear-gradient(135deg, #f0f4ff 0%, var(--c-bg) 70%);
  border-bottom: 1px solid var(--c-border);
  margin-bottom: 2rem;
}
.category-badge {
  display: inline-block;
  background: #eff6ff;
  color: var(--c-accent);
  padding: .25rem .7rem;
  border-radius: 99px;
  font-size: .75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .07em;
  margin-bottom: 1rem;
}
.article-title { max-width: var(--max-w-sm); margin-bottom: .75rem; }
.article-subtitle {
  font-size: 1.15rem;
  color: var(--c-muted);
  max-width: 640px;
  margin-bottom: .75rem;
}
.article-meta {
  font-size: .82rem;
  color: var(--c-muted);
  margin-bottom: 1rem;
}
.article-lead {
  font-size: 1.1rem;
  color: var(--c-muted);
  max-width: 640px;
  line-height: 1.6;
}

.disclaimer-box {
  display: flex;
  gap: .5rem;
  align-items: flex-start;
  background: #fffbeb;
  border: 1px solid #fde68a;
  border-radius: var(--radius);
  padding: .85rem 1rem;
  font-size: .85rem;
  color: #78350f;
  margin-bottom: 2rem;
}

/* Quick picks */
.quick-picks { margin-bottom: 2.5rem; }
.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.25rem;
}

/* Product card */
.product-card {
  position: relative;
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: box-shadow .2s;
}
.product-card:hover { box-shadow: var(--shadow-md); }
.product-badge {
  position: absolute;
  top: .75rem;
  right: .75rem;
  background: var(--c-badge);
  color: #fff;
  font-size: .7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .07em;
  padding: .2rem .6rem;
  border-radius: 99px;
}
.product-card-body { padding: 1.25rem 1.25rem 0; flex: 1; }
.product-name { font-size: 1rem; margin-bottom: .5rem; }
.product-desc { font-size: .85rem; color: var(--c-muted); margin-bottom: .75rem; }
.product-pros {
  display: flex;
  flex-direction: column;
  gap: .3rem;
  margin-bottom: .75rem;
}
.product-pros li { font-size: .83rem; display: flex; gap: .4rem; }
.pro-check { color: var(--c-green); font-weight: 700; }
.product-rating {
  display: flex;
  align-items: center;
  gap: .2rem;
  margin-bottom: .75rem;
}
.star { color: var(--c-border); font-size: 1rem; }
.star--filled { color: #f59e0b; }
.rating-num { font-size: .8rem; color: var(--c-muted); margin-left: .25rem; }

.product-card-footer {
  padding: 1rem 1.25rem 1.25rem;
  border-top: 1px solid var(--c-border);
  background: var(--c-bg);
}
.product-price { font-size: 1.2rem; font-weight: 700; color: var(--c-text); }

/* Article body typography */
.article-body {
  max-width: var(--max-w-sm);
  margin-inline: auto;
  padding-block: 2rem;
}
.article-body h2 { margin: 2rem 0 .75rem; font-size: 1.5rem; }
.article-body h3 { margin: 1.5rem 0 .5rem; font-size: 1.2rem; }
.article-body p  { margin-bottom: 1.25rem; }
.article-body ul, .article-body ol {
  padding-left: 1.5rem;
  margin-bottom: 1.25rem;
}
.article-body li { margin-bottom: .4rem; list-style: disc; }
.article-body a  { color: var(--c-accent); text-decoration: underline; }
.article-body strong { font-weight: 600; }

/* Related articles */
.related-articles {
  padding: 2.5rem 0 3rem;
  border-top: 1px solid var(--c-border);
}
.related-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 1rem;
}
.related-card {
  display: flex;
  flex-direction: column;
  gap: .35rem;
  padding: 1.1rem 1.2rem;
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  color: var(--c-text);
  transition: all .18s;
}
.related-card:hover { border-color: var(--c-accent); text-decoration: none; }
.related-category { font-size: .7rem; font-weight: 700; text-transform: uppercase; color: var(--c-accent); }
.related-title { font-size: .9rem; font-weight: 600; line-height: 1.3; }

/* ── Footer ────────────────────────────────────────────────── */
.site-footer {
  background: #111;
  color: #ccc;
  padding-top: 3rem;
  margin-top: 3rem;
}
.footer-inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 2rem;
  padding-bottom: 2.5rem;
}
.footer-brand img { filter: invert(1) brightness(2); margin-bottom: .75rem; }
.footer-tagline { font-size: .85rem; }
.footer-nav-title {
  font-family: var(--font-body);
  font-size: .75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .1em;
  color: #fff;
  margin-bottom: .75rem;
}
.footer-nav ul { display: flex; flex-direction: column; gap: .5rem; }
.footer-nav a { font-size: .88rem; color: #aaa; }
.footer-nav a:hover { color: #fff; }

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.1);
  padding: 1.25rem 0;
}
.footer-disclaimer { font-size: .78rem; color: #888; margin-bottom: .5rem; }
.footer-copy { font-size: .78rem; color: #666; }

/* Utility (temporary) */
.footer-hidden { display: none !important; }

/* ── Pagination ────────────────────────────────────────────── */
.pagination {
  display: flex;
  justify-content: center;
  gap: .5rem;
  padding: 2rem 0;
}
.page-item a, .page-item span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.2rem;
  height: 2.2rem;
  border-radius: var(--radius);
  border: 1px solid var(--c-border);
  font-size: .88rem;
  font-weight: 500;
  color: var(--c-text);
  transition: all .15s;
}
.page-item.active span,
.page-item a:hover {
  background: var(--c-accent);
  border-color: var(--c-accent);
  color: #fff;
  text-decoration: none;
}

/* ── Responsive ────────────────────────────────────────────── */
@media (max-width: 768px) {
  .site-nav { display: none; }
  .nav-toggle { display: flex; }

  .hero { padding: 3rem 0 2.5rem; }
  .hero-title { font-size: 2rem; }

  .footer-inner { grid-template-columns: 1fr; gap: 1.5rem; }

  .article-body { padding-inline: 1rem; }
  .article-header { padding: 2rem 1rem 1.5rem; }

  .articles-list { padding-inline: 0.5rem; }
}

@media (max-width: 480px) {
  .categories-grid { grid-template-columns: 1fr 1fr; }
  .products-grid   { grid-template-columns: 1fr; }
  .hero-cta-group  { flex-direction: column; }
  .btn             { justify-content: center; }
}