/* ==========================================================================
   KlaroNail — Design Tokens
   Palette, type, and layout locked to brand brief.
   Signature motif: the "mist arc" — a spray of dots that recurs as a
   section divider, hero backdrop, and ingredient-card accent. It's the one
   visual idea unique to a spray-format product, kept quiet everywhere else.
   ========================================================================== */

:root {
  /* Color */
  --navy: #142D53;
  --blue: #1F4B89;
  --teal: #3FB7C6;
  --white: #F8FAFC;
  --ink: #1E293B;
  --green: #4CAF50;

  --ink-soft: #47566E;
  --line: #E2E8F0;
  --card-bg: #FFFFFF;
  --navy-tint: #EEF3FA;

  /* Type */
  --font-display: 'Sora', system-ui, sans-serif;
  --font-body: 'Inter', system-ui, sans-serif;

  /* Layout */
  --max-w: 1180px;
  --radius-sm: 10px;
  --radius-md: 18px;
  --radius-lg: 28px;
  --shadow-card: 0 12px 32px -16px rgba(20, 45, 83, 0.22);
  --shadow-soft: 0 4px 14px -6px rgba(20, 45, 83, 0.14);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img { height: auto; max-width: 100%; display: block; }
a { color: inherit; }
button { font-family: inherit; cursor: pointer; }

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

h1, h2, h3, h4 {
  font-family: var(--font-display);
  color: var(--navy);
  line-height: 1.12;
  margin: 0;
  letter-spacing: -0.01em;
}

h1 { font-size: clamp(2.3rem, 4.4vw, 3.4rem); font-weight: 700; }
h2 { font-size: clamp(1.7rem, 3vw, 2.35rem); font-weight: 700; }
h3 { font-size: 1.28rem; font-weight: 700; }

p { margin: 0 0 1em; }
.lede { font-size: 1.13rem; color: var(--ink-soft); }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-body);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.11em;
  text-transform: uppercase;
  color: var(--teal);
  margin-bottom: 14px;
}
.eyebrow::before {
  content: '';
  width: 20px;
  height: 2px;
  background: var(--teal);
  border-radius: 2px;
}

@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; }
  html { scroll-behavior: auto; }
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 16px 34px;
  border-radius: 999px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: 0.01em;
  text-decoration: none;
  border: none;
  transition: transform 0.18s ease, box-shadow 0.18s ease, background 0.18s ease;
}
.btn:focus-visible {
  outline: 3px solid var(--teal);
  outline-offset: 3px;
}
.btn-primary {
  background: var(--green);
  color: #fff;
  box-shadow: 0 10px 24px -8px rgba(76, 175, 80, 0.55);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 14px 28px -8px rgba(76, 175, 80, 0.6); }
.btn-secondary {
  background: transparent;
  color: #fff;
  border: 1.5px solid rgba(255,255,255,0.55);
}
.btn-secondary:hover { background: rgba(255,255,255,0.12); }
.btn-outline {
  background: transparent;
  color: var(--navy);
  border: 1.5px solid var(--line);
}
.btn-outline:hover { border-color: var(--teal); color: var(--teal); }
.btn-block { width: 100%; }
.btn-sm { padding: 11px 22px; font-size: 0.9rem; }

/* ---------- Header / Nav ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(20, 45, 83, 0.97);
  backdrop-filter: blur(6px);
}
.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.28rem;
  color: #fff;
  text-decoration: none;
}
.brand-mark {
  width: 34px; height: 34px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--teal), var(--green));
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.brand-mark svg { width: 18px; height: 18px; }

.main-nav { display: flex; align-items: center; gap: 34px; }
.main-nav a {
  color: rgba(255,255,255,0.82);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 600;
  transition: color 0.15s ease;
}
.main-nav a:hover { color: #fff; }
.nav-links { display: flex; gap: 30px; }
.nav-cta { display: flex; align-items: center; gap: 18px; }
.nav-toggle {
  display: none;
  background: none; border: none; padding: 6px;
}
.nav-toggle span {
  display: block; width: 24px; height: 2px; background: #fff;
  margin: 5px 0; border-radius: 2px; transition: transform .2s ease, opacity .2s ease;
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, #142D53 0%, #1F4B89 100%);
  color: #fff;
  padding: 76px 0 96px;
}
.hero-mist {
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0.5;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 56px;
  align-items: center;
  position: relative;
}
.hero-badges {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin: 26px 0 32px;
}
.hero-badge {
  display: flex; align-items: center; gap: 7px;
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.18);
  padding: 7px 14px 7px 10px;
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 600;
  color: #fff;
}
.hero-badge .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--teal); }
.hero h1 { color: #fff; }
.hero h1 .accent { color: var(--teal); }
.hero .lede { color: rgba(255,255,255,0.82); max-width: 46ch; margin-top: 18px; }
.hero-ctas { display: flex; gap: 16px; margin-top: 34px; flex-wrap: wrap; }
.hero-trust {
  display: flex; gap: 24px; margin-top: 40px; flex-wrap: wrap;
  font-size: 0.82rem; color: rgba(255,255,255,0.68);
}
.hero-trust span { display: flex; align-items: center; gap: 7px; }
.hero-visual { position: relative; }
.hero-visual img {
  width: 100%;
  border-radius: var(--radius-lg);
  box-shadow: 0 30px 60px -20px rgba(0,0,0,0.45);
}
.hero-stat-card {
  position: absolute;
  bottom: -22px;
  left: -22px;
  background: #fff;
  color: var(--navy);
  border-radius: var(--radius-md);
  padding: 16px 20px;
  box-shadow: var(--shadow-card);
  display: flex;
  align-items: center;
  gap: 12px;
}
.hero-stat-card strong { font-family: var(--font-display); font-size: 1.4rem; display: block; }
.hero-stat-card span { font-size: 0.78rem; color: var(--ink-soft); }

/* ---------- Section divider (mist) ---------- */
.mist-divider {
  height: 60px;
  width: 100%;
  display: block;
}

/* ---------- Generic section ---------- */
.section { padding: 88px 0; }
.section-tint { background: var(--navy-tint); }
.section-head { max-width: 640px; margin-bottom: 52px; }
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }

/* ---------- Benefits ---------- */
.benefit-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.benefit-card {
  background: var(--card-bg);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 28px 24px;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.benefit-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-card); }
.icon-badge {
  width: 46px; height: 46px;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--teal), var(--blue));
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 16px;
}
.icon-badge svg { width: 22px; height: 22px; stroke: #fff; }
.benefit-card h3 { font-size: 1.05rem; margin-bottom: 8px; }
.benefit-card p { color: var(--ink-soft); font-size: 0.92rem; margin: 0; }

/* ---------- How it works ---------- */
.steps-rail {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 16px;
  counter-reset: step;
}
.step-card {
  background: var(--card-bg);
  border-radius: var(--radius-md);
  padding: 22px 18px;
  border: 1px solid var(--line);
  position: relative;
}
.step-card .step-num {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 0.78rem;
  color: var(--teal);
  letter-spacing: 0.06em;
  display: block;
  margin-bottom: 10px;
}
.step-card h4 { font-family: var(--font-display); font-size: 0.98rem; color: var(--navy); margin: 0 0 6px; }
.step-card p { font-size: 0.85rem; color: var(--ink-soft); margin: 0; }

/* ---------- Ingredients ---------- */
.ingredient-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(230px, 1fr));
  gap: 18px;
}
.ingredient-card {
  background: var(--card-bg);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 22px;
  position: relative;
  overflow: hidden;
}
.ingredient-card::after {
  content: '';
  position: absolute;
  top: -30px; right: -30px;
  width: 80px; height: 80px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(63,183,198,0.16), transparent 70%);
}
.ingredient-num {
  font-family: var(--font-display);
  font-size: 0.72rem;
  font-weight: 800;
  color: #fff;
  background: var(--navy);
  width: 26px; height: 26px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 14px;
}
.ingredient-card h3 { font-size: 1rem; margin-bottom: 6px; }
.ingredient-card p { font-size: 0.86rem; color: var(--ink-soft); margin: 0; }
.ingredient-role {
  display: inline-block;
  margin-top: 10px;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--teal);
}

/* ---------- Testimonial / social proof strip ---------- */
.proof-strip {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 40px;
  align-items: center;
  background: var(--navy);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.proof-strip img { height: 100%; object-fit: cover; }
.proof-copy { padding: 40px 44px 40px 0; color: #fff; }
.proof-copy .stars { color: #FFC94D; font-size: 1.1rem; letter-spacing: 3px; margin-bottom: 14px; }
.proof-copy blockquote {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 600;
  margin: 0 0 18px;
  line-height: 1.35;
}
.proof-copy cite { font-style: normal; color: rgba(255,255,255,0.7); font-size: 0.88rem; }
.proof-note {
  margin-top: 18px;
  font-size: 0.74rem;
  color: rgba(255,255,255,0.5);
  max-width: 44ch;
}

/* ---------- Pricing ---------- */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
  align-items: stretch;
}
.price-card {
  background: var(--card-bg);
  border: 1.5px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  display: flex;
  flex-direction: column;
  position: relative;
}
.price-card.featured {
  border-color: var(--teal);
  box-shadow: var(--shadow-card);
  transform: translateY(-10px);
}
.price-tag {
  position: absolute;
  top: -14px; left: 50%;
  transform: translateX(-50%);
  background: var(--green);
  color: #fff;
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 6px 16px;
  border-radius: 999px;
}
.price-card .plan-name { font-size: 0.8rem; font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase; color: var(--teal); margin-bottom: 6px; }
.price-card .plan-desc { color: var(--ink-soft); font-size: 0.88rem; margin-bottom: 20px; }
.price-card .price-row { display: flex; align-items: baseline; gap: 8px; margin-bottom: 4px; }
.price-card .price-per { font-family: var(--font-display); font-size: 2.4rem; font-weight: 800; color: var(--navy); }
.price-card .price-per span { font-size: 1rem; font-weight: 600; color: var(--ink-soft); }
.price-card .price-total { font-size: 0.85rem; color: var(--ink-soft); margin-bottom: 22px; }
.price-card ul { list-style: none; padding: 0; margin: 0 0 26px; flex: 1; }
.price-card li {
  display: flex; align-items: flex-start; gap: 10px;
  font-size: 0.9rem; color: var(--ink); margin-bottom: 11px;
}
.price-card li svg { width: 16px; height: 16px; flex-shrink: 0; margin-top: 3px; stroke: var(--green); }

/* ---------- Guarantee ---------- */
.guarantee-band {
  background: linear-gradient(120deg, var(--navy), var(--blue));
  border-radius: var(--radius-lg);
  color: #fff;
  padding: 52px;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 34px;
  align-items: center;
}
.guarantee-seal {
  width: 108px; height: 108px;
  border-radius: 50%;
  border: 2px solid rgba(255,255,255,0.35);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
  text-align: center;
  font-family: var(--font-display);
  font-weight: 800;
}
.guarantee-seal .num { font-size: 1.9rem; display: block; }
.guarantee-seal .lbl { font-size: 0.62rem; letter-spacing: 0.08em; text-transform: uppercase; }
.guarantee-band h3 { color: #fff; margin-bottom: 8px; }
.guarantee-band p { color: rgba(255,255,255,0.8); margin: 0; max-width: 62ch; }

/* ---------- FAQ ---------- */
.faq-list { border-top: 1px solid var(--line); }
.faq-item { border-bottom: 1px solid var(--line); }
.faq-q {
  width: 100%;
  background: none;
  border: none;
  text-align: left;
  padding: 22px 4px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--navy);
  font-size: 1.02rem;
}
.faq-q .plus {
  flex-shrink: 0;
  width: 26px; height: 26px;
  border-radius: 50%;
  border: 1.5px solid var(--line);
  display: flex; align-items: center; justify-content: center;
  position: relative;
  transition: transform 0.25s ease, border-color 0.2s ease;
}
.faq-q .plus::before, .faq-q .plus::after {
  content: ''; position: absolute; background: var(--navy);
}
.faq-q .plus::before { width: 11px; height: 1.6px; }
.faq-q .plus::after { width: 1.6px; height: 11px; }
.faq-item.open .faq-q .plus { transform: rotate(135deg); border-color: var(--teal); }
.faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}
.faq-a p { padding: 0 4px 22px; color: var(--ink-soft); margin: 0; font-size: 0.95rem; }

/* ---------- CTA band ---------- */
.cta-band {
  background: var(--navy);
  border-radius: var(--radius-lg);
  padding: 56px;
  text-align: center;
  color: #fff;
}
.cta-band h2 { color: #fff; margin-bottom: 14px; }
.cta-band p { color: rgba(255,255,255,0.78); max-width: 52ch; margin: 0 auto 30px; }

/* ---------- Footer ---------- */
.site-footer {
  background: var(--navy);
  color: rgba(255,255,255,0.7);
  padding: 60px 0 30px;
  font-size: 0.88rem;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.4fr;
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255,255,255,0.12);
}
.footer-grid .brand { margin-bottom: 14px; }
.footer-grid h4 { color: #fff; font-size: 0.82rem; letter-spacing: 0.06em; text-transform: uppercase; margin-bottom: 16px; font-family: var(--font-body); font-weight: 700; }
.footer-grid ul { list-style: none; padding: 0; margin: 0; }
.footer-grid li { margin-bottom: 10px; }
.footer-grid a { color: rgba(255,255,255,0.68); text-decoration: none; }
.footer-grid a:hover { color: #fff; }
.footer-disclaimer { padding-top: 28px; font-size: 0.78rem; line-height: 1.7; color: rgba(255,255,255,0.5); }
.footer-disclaimer p { margin: 0 0 10px; }
.footer-bottom {
  display: flex; justify-content: space-between; align-items: center;
  margin-top: 24px; padding-top: 24px; border-top: 1px solid rgba(255,255,255,0.1);
  font-size: 0.78rem; color: rgba(255,255,255,0.45); flex-wrap: wrap; gap: 12px;
}
.payment-icons img { height: 22px; width: auto; }

/* ---------- Breadcrumb ---------- */
.breadcrumb {
  font-size: 0.85rem;
  color: var(--ink-soft);
  padding: 20px 0;
  display: flex; gap: 8px; align-items: center;
}
.breadcrumb a { color: var(--ink-soft); text-decoration: none; }
.breadcrumb a:hover { color: var(--teal); }
.breadcrumb .sep { opacity: 0.5; }
.breadcrumb .current { color: var(--navy); font-weight: 600; }

/* ---------- Article (review / ingredients pages) ---------- */
.article-hero {
  background: linear-gradient(135deg, #142D53 0%, #1F4B89 100%);
  color: #fff;
  padding: 40px 0 70px;
}
.article-hero .eyebrow { color: var(--teal); }
.article-hero h1 { color: #fff; max-width: 20ch; }
.article-hero .lede { color: rgba(255,255,255,0.82); max-width: 60ch; margin-top: 16px; }
.article-meta {
  display: flex; gap: 22px; margin-top: 26px;
  font-size: 0.85rem; color: rgba(255,255,255,0.65); flex-wrap: wrap;
}
.article-body {
  max-width: 760px;
  margin: -34px auto 0;
  background: #fff;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  padding: 52px 60px;
  position: relative;
}
.article-body h2 {
  margin-top: 2.2em;
  padding-top: 0.2em;
  font-size: 1.5rem;
}
.article-body h2:first-child { margin-top: 0; }
.article-body h3 { margin-top: 1.7em; font-size: 1.12rem; color: var(--blue); }
.article-body p { color: var(--ink); font-size: 1rem; }
.article-body ul { padding-left: 1.3em; color: var(--ink); }
.article-body li { margin-bottom: 6px; }
.article-body .disclosure-box {
  background: var(--navy-tint);
  border-left: 3px solid var(--teal);
  border-radius: 10px;
  padding: 16px 20px;
  font-size: 0.88rem;
  color: var(--ink-soft);
  margin: 28px 0;
}
.article-img {
  width: 100%;
  max-height: 380px;
  object-fit: contain;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-soft);
  margin: 30px 0;
  background: var(--navy-tint);
}
.article-img-caption {
  text-align: center;
  font-size: 0.8rem;
  color: var(--ink-soft);
  margin-top: -20px;
  margin-bottom: 30px;
}
.pull-callout {
  background: var(--navy-tint);
  border-radius: var(--radius-md);
  padding: 24px 28px;
  margin: 30px 0;
  font-size: 0.95rem;
}
.pull-callout strong { color: var(--navy); }
.inline-cta {
  display: flex; align-items: center; justify-content: space-between; gap: 20px;
  background: var(--navy);
  border-radius: var(--radius-md);
  padding: 26px 30px;
  margin: 34px 0;
  color: #fff;
  flex-wrap: wrap;
}
.inline-cta p { margin: 0; color: rgba(255,255,255,0.85); font-size: 0.92rem; }

/* ---------- Blog ---------- */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 26px;
}
.blog-card {
  background: var(--card-bg);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  text-decoration: none;
}
.blog-card-img {
  width: 100%;
  height: 170px;
  object-fit: cover;
  display: block;
}
.blog-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-card); }
.blog-card-tag {
  padding: 22px 24px 0;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--teal);
}
.blog-card-body { padding: 10px 24px 26px; flex: 1; display: flex; flex-direction: column; }
.blog-card h3 { font-size: 1.14rem; margin: 6px 0 10px; }
.blog-card p { color: var(--ink-soft); font-size: 0.9rem; margin: 0; flex: 1; }
.blog-card-meta {
  margin-top: 16px;
  font-size: 0.78rem;
  color: var(--ink-soft);
  display: flex;
  gap: 14px;
}
.blog-card-read {
  margin-top: 16px;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--navy);
}
.blog-featured {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  background: var(--navy);
  border-radius: var(--radius-lg);
  overflow: hidden;
  color: #fff;
  margin-bottom: 48px;
  text-decoration: none;
}
.blog-featured-copy { padding: 44px 44px 44px 0; margin-left: 44px; display: flex; flex-direction: column; justify-content: center; }
.blog-featured-copy .eyebrow { color: var(--teal); }
.blog-featured-copy h2 { color: #fff; margin-bottom: 12px; }
.blog-featured-copy p { color: rgba(255,255,255,0.78); }
.blog-featured-visual { background: linear-gradient(135deg, #1F4B89, #142D53); display: flex; align-items: center; justify-content: center; padding: 30px; }
.blog-featured-visual img { border-radius: var(--radius-md); box-shadow: 0 20px 40px -14px rgba(0,0,0,0.5); }

/* ---------- Simple 404 ---------- */
.error-page {
  min-height: 78vh;
  display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, #142D53 0%, #1F4B89 100%);
  color: #fff; text-align: center;
}
.error-page .wrap { max-width: 560px; }
.error-code { font-family: var(--font-display); font-size: 5.5rem; font-weight: 800; color: var(--teal); margin-bottom: 10px; }

/* ==========================================================================
   Responsive
   ========================================================================== */
@media (max-width: 980px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-visual { order: -1; max-width: 420px; margin: 0 auto; }
  .hero-stat-card { left: 12px; bottom: -18px; }
  .benefit-grid { grid-template-columns: repeat(2, 1fr); }
  .steps-rail { grid-template-columns: repeat(3, 1fr); }
  .proof-strip { grid-template-columns: 1fr; }
  .proof-strip img { height: 320px; width: 100%; }
  .proof-copy { padding: 0 32px 36px; }
  .pricing-grid { grid-template-columns: 1fr; max-width: 420px; margin: 0 auto; }
  .price-card.featured { transform: none; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .article-body { padding: 40px 28px; }
  .blog-grid { grid-template-columns: 1fr; }
  .blog-featured { grid-template-columns: 1fr; }
  .blog-featured-copy { margin-left: 0; padding: 34px; }
}

@media (max-width: 640px) {
  .main-nav .nav-links, .main-nav .nav-cta .btn-outline { display: none; }
  .nav-toggle { display: block; }
  .benefit-grid { grid-template-columns: 1fr; }
  .steps-rail { grid-template-columns: 1fr 1fr; }
  .section { padding: 60px 0; }
  .guarantee-band { grid-template-columns: 1fr; text-align: center; padding: 36px 26px; }
  .guarantee-seal { margin: 0 auto; }
  .cta-band { padding: 40px 26px; }
  .footer-grid { grid-template-columns: 1fr; gap: 30px; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
  .article-body { padding: 32px 20px; }
  .article-body h2 { font-size: 1.3rem; }
}

/* Mobile nav drawer */
.main-nav.open .nav-links {
  display: flex;
  flex-direction: column;
  position: absolute;
  top: 76px; left: 0; right: 0;
  background: var(--navy);
  padding: 20px 24px 26px;
  gap: 18px;
  box-shadow: 0 16px 24px -12px rgba(0,0,0,0.4);
}
.main-nav.open .nav-cta .btn-outline { display: none; }

/* === network upgrade: popup + sources === */
.np-pop {
  position: fixed; left: 18px; bottom: 18px; z-index: 60;
  display: flex; align-items: center; gap: 12px;
  width: 320px; max-width: calc(100vw - 36px);
  padding: 12px 38px 12px 12px;
  background: #fff; color: #1c1c1c;
  border: 1px solid rgba(0,0,0,0.10); border-radius: 16px;
  box-shadow: 0 18px 44px -18px rgba(0,0,0,0.45);
  font-family: inherit; text-align: left;
  transform: translateX(calc(-100% - 24px)); opacity: 0; visibility: hidden;
  transition: transform .5s cubic-bezier(.22,1,.36,1), opacity .5s ease, visibility .5s;
}
.np-pop.is-in { transform: translateX(0); opacity: 1; visibility: visible; }
.np-pop img {
  width: 52px; height: auto; flex: 0 0 52px;
  border-radius: 10px; border: 1px solid rgba(0,0,0,0.08); background: #fafafa;
}
.np-pop-body { min-width: 0; }
.np-pop-name { font-weight: 700; font-size: .9rem; line-height: 1.3; }
.np-pop-what { font-size: .82rem; opacity: .72; line-height: 1.4; }
.np-pop-when { font-size: .68rem; letter-spacing: .04em; text-transform: uppercase; opacity: .6; margin-top: 2px; }
.np-pop-close {
  position: absolute; top: 6px; right: 6px; width: 26px; height: 26px;
  border: 0; border-radius: 50%; background: transparent; color: inherit;
  opacity: .5; font-size: 1rem; line-height: 1; cursor: pointer;
}
.np-pop-close:hover { opacity: 1; background: rgba(0,0,0,0.06); }
@media (max-width: 560px) {
  /* not edge-to-edge on phones: a full-bleed card sits on top of the
     full-width CTA buttons these pages use, so leave the right side free */
  .np-pop { left: 10px; right: auto; bottom: 10px; width: min(300px, calc(100vw - 84px)); max-width: none; }
}
@media (prefers-reduced-motion: reduce) {
  .np-pop { transition: opacity .2s ease, visibility .2s; transform: none; }
}

.np-sources { padding: 56px 0; }
.np-sources .np-wrap { max-width: 1100px; margin: 0 auto; padding: 0 24px; }
.np-sources h2 { margin: 0 0 10px; }
.np-sources .np-intro { opacity: .75; max-width: 62ch; margin: 0 0 26px; }
.np-ref-list { list-style: none; padding: 0; margin: 0; display: grid; gap: 14px; }
.np-ref-list li { padding-left: 16px; border-left: 3px solid rgba(0,0,0,0.12); font-size: .95rem; }
.np-ref-list a { text-decoration: underline; text-underline-offset: 3px; font-weight: 600; }
.np-ref-src { display: block; font-size: .72rem; text-transform: uppercase; letter-spacing: .04em; opacity: .6; margin-top: 2px; }

/* === network upgrade: final CTA === */
.np-final { padding: 64px 0; }
.np-final .np-wrap { max-width: 1100px; margin: 0 auto; padding: 0 24px; }
.np-final-inner {
  display: grid; grid-template-columns: minmax(0,300px) minmax(0,1fr);
  gap: 40px; align-items: center;
  background: #14100c; color: #f6efe7;
  border-radius: 24px; padding: 44px 40px;
}
.np-final-inner h2 { color: #fff; margin: 0 0 12px; }
.np-final-inner p { opacity: .82; margin: 0 0 24px; max-width: 56ch; }
.np-final-shot img {
  width: 100%; height: auto;          /* natural aspect ratio, never cropped */
  max-width: 300px; margin: 0 auto;
  filter: drop-shadow(0 18px 40px rgba(0,0,0,.5));
}
.np-final-btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 15px 34px; border-radius: 999px; font-weight: 700; font-size: 1rem;
  background: #f17e12; color: #fff; text-decoration: none;
  box-shadow: 0 12px 30px -12px rgba(241,126,18,.8);
}
.np-final-btn:hover { filter: brightness(1.07); }
.np-final-note { font-size: .78rem; letter-spacing: .04em; text-transform: uppercase; opacity: .6; margin: 18px 0 0; }
@media (max-width: 820px) {
  .np-final-inner { grid-template-columns: 1fr; text-align: center; padding: 34px 22px; }
  .np-final-inner p { margin-left: auto; margin-right: auto; }
  .np-final-shot img { max-width: 220px; }
}

/* === network upgrade: silo cross-links === */
.np-cross { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 14px; margin: 32px 0; }
.np-cross a {
  display: block; padding: 16px 18px; border: 1px solid rgba(0,0,0,.12);
  border-radius: 14px; text-decoration: none; color: inherit; background: rgba(0,0,0,.015);
  transition: border-color .15s ease, transform .15s ease;
}
.np-cross a:hover { border-color: rgba(0,0,0,.35); transform: translateY(-2px); }
.np-cross span { display: block; font-size: .68rem; letter-spacing: .08em; text-transform: uppercase; opacity: .55; margin-bottom: 5px; }
.np-cross strong { font-weight: 700; font-size: .98rem; line-height: 1.3; }
.np-crumbs { font-size: .85rem; opacity: .75; margin: 0 0 4px; }
.np-crumbs a { text-decoration: none; color: inherit; border-bottom: 1px solid rgba(0,0,0,.25); }
.np-crumbs .sep { opacity: .45; margin: 0 7px; }