/* ============================================================
   MATTERHORN — Recycled Suede
   White-background redesign, inspired by Clarino aesthetic
   Palette: Off-white, warm grey, deep forest green, near-black
   ============================================================ */

:root {
  /* Core palette */
  --white:      #FFFFFF;
  --off-white:  #F8F7F4;
  --light-grey: #EFEFED;
  --mid-grey:   #C8C5BE;
  --text-muted: #888580;
  --text-body:  #3A3835;
  --text-dark:  #1A1815;

  /* Accent — deep forest green */
  --green:      #2C4A3E;
  --green-light:#3D6355;
  --green-pale: #EBF0EE;

  /* Fonts */
  --font-display: 'Cormorant Garamond', Georgia, serif;
  --font-body:    'DM Sans', system-ui, sans-serif;

  /* Spacing & shape */
  --radius: 3px;
  --max-w:  1180px;
  --nav-h:  72px;
}

/* ── Reset ─────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  color: var(--text-body);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
}
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }

/* ── Container ──────────────────────────────────────────── */
.container {
  width: 100%;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 2rem;
}

/* ── Typography helpers ─────────────────────────────────── */
.section-label {
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--green);
  font-weight: 500;
  margin-bottom: 1rem;
}
.section-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3.25rem);
  font-weight: 400;
  color: var(--text-dark);
  line-height: 1.15;
  margin-bottom: 1.25rem;
}
.section-title em,
h1 em, h2 em {
  font-style: italic;
  color: var(--green);
}
.section-intro {
  font-size: 1.0625rem;
  color: var(--text-muted);
  max-width: 580px;
  line-height: 1.8;
}

/* ── Buttons ────────────────────────────────────────────── */
.btn-primary {
  display: inline-block;
  background: var(--green);
  color: var(--white);
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  padding: 0.75rem 1.75rem;
  border-radius: var(--radius);
  transition: background 0.2s;
}
.btn-primary:hover { background: var(--green-light); }

.btn-ghost {
  display: inline-block;
  color: var(--text-dark);
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  border-bottom: 1px solid var(--mid-grey);
  padding-bottom: 2px;
  transition: color 0.2s, border-color 0.2s;
}
.btn-ghost:hover { color: var(--green); border-color: var(--green); }

.btn-light {
  background: var(--white);
  color: var(--green);
}
.btn-light:hover { background: var(--off-white); }

.use-link {
  font-size: 0.8125rem;
  color: var(--green);
  font-weight: 500;
  letter-spacing: 0.04em;
  border-bottom: 1px solid var(--green-pale);
  padding-bottom: 1px;
  transition: border-color 0.2s;
}
.use-link:hover { border-color: var(--green); }

/* ── Navigation ─────────────────────────────────────────── */
.nav-wrap {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(255,255,255,0.96);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--light-grey);
  height: var(--nav-h);
}
.nav {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 2rem;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-logo {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  color: var(--text-dark);
  text-transform: uppercase;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
}
.nav-links a {
  font-size: 0.8125rem;
  font-weight: 400;
  color: var(--text-muted);
  letter-spacing: 0.04em;
  transition: color 0.18s;
}
.nav-links a:hover,
.nav-links a.active { color: var(--text-dark); }

.nav-cta {
  background: var(--green) !important;
  color: var(--white) !important;
  padding: 0.5rem 1.25rem;
  border-radius: var(--radius);
  font-weight: 500 !important;
  letter-spacing: 0.06em !important;
  transition: background 0.2s !important;
}
.nav-cta:hover { background: var(--green-light) !important; }

.nav-burger { display: none; font-size: 1.3rem; color: var(--text-dark); }

/* Mobile menu */
.mobile-menu {
  display: none;
  position: fixed;
  top: var(--nav-h); left: 0; right: 0;
  background: var(--white);
  border-bottom: 1px solid var(--light-grey);
  z-index: 99;
  padding: 1.5rem 2rem;
}
.mobile-menu.open { display: block; }
.mobile-menu ul { display: flex; flex-direction: column; gap: 1rem; }
.mobile-menu a {
  font-size: 1rem;
  color: var(--text-body);
  font-weight: 400;
}

/* ── Hero ───────────────────────────────────────────────── */
.hero {
  min-height: 100vh;
  padding-top: var(--nav-h);
  background: var(--off-white);
  display: flex;
  flex-direction: column;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

/* Subtle texture — vertical lines */
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(
    90deg,
    transparent,
    transparent 59px,
    rgba(0,0,0,0.03) 60px
  );
  pointer-events: none;
}

.hero-content {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 5rem 2rem 3rem;
  position: relative;
}
.hero-eyebrow {
  font-size: 0.72rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--green);
  font-weight: 500;
  margin-bottom: 1.5rem;
}
.hero-title {
  font-family: var(--font-display);
  font-size: clamp(3rem, 7vw, 6.5rem);
  font-weight: 400;
  color: var(--text-dark);
  line-height: 1.05;
  margin-bottom: 1.75rem;
  max-width: 820px;
}
.hero-sub {
  font-size: 1.0625rem;
  color: var(--text-muted);
  line-height: 1.8;
  max-width: 480px;
  margin-bottom: 2.5rem;
}
.hero-actions {
  display: flex;
  gap: 1.5rem;
  align-items: center;
  flex-wrap: wrap;
}

/* Badges row at bottom of hero */
.hero-badges {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 2rem 2rem 4rem;
  display: flex;
  gap: 1px;
  position: relative;
}
.badge {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  padding: 1.25rem 1.5rem;
  background: var(--white);
  border: 1px solid var(--light-grey);
}
.badge:first-child { border-radius: var(--radius) 0 0 var(--radius); }
.badge:last-child  { border-radius: 0 var(--radius) var(--radius) 0; }
.badge strong, .badge > *:first-child {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-dark);
  font-family: var(--font-display);
  font-size: 1.15rem;
}
.badge span {
  font-size: 0.72rem;
  color: var(--text-muted);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

/* ── Section: What we make ──────────────────────────────── */
.section-what {
  padding: 6rem 0;
  background: var(--white);
  border-bottom: 1px solid var(--light-grey);
}
.use-cases {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  margin-top: 3rem;
}
.use-card {
  background: var(--off-white);
  border: 1px solid var(--light-grey);
  border-radius: var(--radius);
  padding: 2.5rem;
}
.use-icon {
  font-size: 2rem;
  margin-bottom: 1rem;
}
.use-card h3 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 400;
  color: var(--text-dark);
  margin-bottom: 0.75rem;
}
.use-card p {
  font-size: 0.9375rem;
  color: var(--text-muted);
  line-height: 1.75;
  margin-bottom: 1.25rem;
}

/* ── Credentials strip ──────────────────────────────────── */
.cred-strip {
  background: var(--green);
  padding: 3.5rem 0;
}
.cred-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 0;
}
.cred-item {
  padding: 1rem 1.25rem;
  border-right: 1px solid rgba(255,255,255,0.12);
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}
.cred-item:last-child { border-right: none; }
.cred-item strong {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--white);
}
.cred-item span {
  font-size: 0.75rem;
  color: rgba(255,255,255,0.65);
  line-height: 1.5;
}

/* ── Section: Why Matterhorn ────────────────────────────── */
.section-why {
  padding: 6rem 0;
  background: var(--off-white);
  border-bottom: 1px solid var(--light-grey);
}
.why-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: center;
}
.why-text p {
  font-size: 0.9375rem;
  color: var(--text-muted);
  line-height: 1.8;
  margin-bottom: 1rem;
}
.why-stats {
  display: flex;
  flex-direction: column;
  gap: 0;
}
.stat {
  padding: 2rem 0;
  border-bottom: 1px solid var(--light-grey);
  display: flex;
  align-items: baseline;
  gap: 1.5rem;
}
.stat:first-child { padding-top: 0; }
.stat-num {
  font-family: var(--font-display);
  font-size: 3.5rem;
  font-weight: 400;
  color: var(--green);
  line-height: 1;
  min-width: 80px;
}
.stat-label {
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* ── CTA Band ───────────────────────────────────────────── */
.cta-band {
  background: var(--text-dark);
  padding: 5rem 0;
  text-align: center;
}
.cta-band h2 {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 3.5vw, 3rem);
  font-weight: 400;
  color: var(--white);
  margin-bottom: 0.75rem;
}
.cta-band p {
  font-size: 0.9375rem;
  color: rgba(255,255,255,0.6);
  margin-bottom: 2rem;
}

/* ── Footer ─────────────────────────────────────────────── */
.footer {
  background: var(--off-white);
  border-top: 1px solid var(--light-grey);
  padding: 4rem 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 3rem;
  padding-bottom: 3rem;
}
.footer-logo {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  color: var(--text-dark);
  margin-bottom: 0.75rem;
}
.footer-brand p {
  font-size: 0.8125rem;
  color: var(--text-muted);
  line-height: 1.7;
}
.footer-links {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}
.footer-links strong {
  font-size: 0.72rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-dark);
  margin-bottom: 0.25rem;
}
.footer-links a {
  font-size: 0.875rem;
  color: var(--text-muted);
  transition: color 0.15s;
}
.footer-links a:hover { color: var(--green); }
.footer-contact {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}
.footer-contact strong {
  font-size: 0.72rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-dark);
  margin-bottom: 0.25rem;
}
.footer-contact a {
  font-size: 0.875rem;
  color: var(--text-muted);
  transition: color 0.15s;
}
.footer-contact a:hover { color: var(--green); }
.footer-bottom {
  border-top: 1px solid var(--light-grey);
  padding: 1.25rem 0;
  text-align: center;
}
.footer-bottom p {
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* ── Page Hero (inner pages) ────────────────────────────── */
.page-hero {
  padding: calc(var(--nav-h) + 4rem) 0 4rem;
  background: var(--off-white);
  border-bottom: 1px solid var(--light-grey);
}
.page-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.25rem, 5vw, 4.25rem);
  font-weight: 400;
  color: var(--text-dark);
  line-height: 1.1;
  margin: 0.75rem 0 1.25rem;
}
.page-hero p {
  font-size: 1.0625rem;
  color: var(--text-muted);
  max-width: 540px;
  line-height: 1.8;
}

/* ── About page ─────────────────────────────────────────── */
.about-section {
  padding: 5rem 0;
  background: var(--white);
}
.about-grid {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 4rem;
  align-items: start;
}
.about-main h2 {
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 400;
  color: var(--text-dark);
  margin: 2rem 0 0.75rem;
}
.about-main h2:first-child { margin-top: 0; }
.about-main p {
  font-size: 0.9375rem;
  color: var(--text-muted);
  line-height: 1.85;
  margin-bottom: 1rem;
}
.sidebar-card {
  background: var(--off-white);
  border: 1px solid var(--light-grey);
  border-radius: var(--radius);
  padding: 1.75rem;
  position: sticky;
  top: calc(var(--nav-h) + 2rem);
}
.sidebar-card h3 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 400;
  color: var(--text-dark);
  margin-bottom: 1rem;
}
.fact-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}
.fact-list li {
  font-size: 0.8125rem;
  color: var(--text-muted);
  line-height: 1.6;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--light-grey);
}
.fact-list li:last-child { border-bottom: none; padding-bottom: 0; }
.fact-list strong {
  display: block;
  color: var(--text-dark);
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 0.2rem;
}

/* ── Certifications page ────────────────────────────────── */
.cert-section {
  padding: 5rem 0;
  background: var(--white);
  display: flex;
  flex-direction: column;
  gap: 2rem;
}
.cert-card {
  border: 1px solid var(--light-grey);
  border-radius: var(--radius);
  overflow: hidden;
}
.cert-header {
  background: var(--off-white);
  padding: 2rem;
  display: flex;
  align-items: center;
  gap: 1.5rem;
  border-bottom: 1px solid var(--light-grey);
}
.cert-body-logo {
  width: 56px; height: 56px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.875rem;
  letter-spacing: 0.05em;
  flex-shrink: 0;
}
.sgs-logo { background: var(--green); color: var(--white); }
.bv-logo  { background: var(--text-dark); color: var(--white); }
.cert-header-text { flex: 1; }
.cert-header-text h2 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 400;
  color: var(--text-dark);
  margin-bottom: 0.25rem;
}
.cert-meta { font-size: 0.8125rem; color: var(--text-muted); }
.cert-result {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  padding: 0.4rem 0.9rem;
  border-radius: 2px;
}
.cert-result.pass { background: #E8F5EE; color: #1A6B3A; }
.cert-detail {
  padding: 1.5rem 2rem;
  border-bottom: 1px solid var(--light-grey);
}
.cert-detail p {
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 0.5rem;
}
.cert-detail p:last-child { margin-bottom: 0; }
.cert-params { padding: 1.5rem 2rem; border-bottom: 1px solid var(--light-grey); }
.cert-params h3 {
  font-size: 0.72rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 1rem;
}
.params-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.5rem;
}
.param {
  font-size: 0.8125rem;
  padding: 0.5rem 0.75rem;
  border-radius: 2px;
  color: var(--text-body);
}
.pass-item { background: var(--off-white); border: 1px solid var(--light-grey); }
.cert-note {
  padding: 1.25rem 2rem;
  font-size: 0.8125rem;
  color: var(--text-muted);
  font-style: italic;
}

/* Compliance section */
.compliance-section {
  padding: 5rem 0;
  background: var(--off-white);
  border-top: 1px solid var(--light-grey);
  border-bottom: 1px solid var(--light-grey);
}
.compliance-section h2 {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3vw, 2.5rem);
  font-weight: 400;
  color: var(--text-dark);
  margin-bottom: 2.5rem;
}
.compliance-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}
.compliance-item {
  background: var(--white);
  border: 1px solid var(--light-grey);
  border-radius: var(--radius);
  padding: 2rem;
}
.compliance-item h3 {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 400;
  color: var(--green);
  margin-bottom: 0.6rem;
}
.compliance-item p {
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.7;
}

/* ── Products page ──────────────────────────────────────── */
.product-section {
  padding: 5rem 0;
  background: var(--white);
  border-bottom: 1px solid var(--light-grey);
}
.product-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
}
.product-grid-reverse { direction: rtl; }
.product-grid-reverse > * { direction: ltr; }
.product-tag {
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--green);
  font-weight: 500;
  margin-bottom: 0.75rem;
}
.product-info h2 {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3vw, 2.5rem);
  font-weight: 400;
  color: var(--text-dark);
  line-height: 1.15;
  margin-bottom: 1rem;
}
.product-info h3 {
  font-size: 0.72rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin: 1.75rem 0 0.75rem;
}
.product-info p {
  font-size: 0.9375rem;
  color: var(--text-muted);
  line-height: 1.8;
  margin-bottom: 0.75rem;
}
.spec-list {
  display: flex;
  flex-direction: column;
  gap: 0;
}
.spec-list li {
  font-size: 0.8125rem;
  color: var(--text-body);
  padding: 0.6rem 0;
  border-bottom: 1px solid var(--light-grey);
  line-height: 1.5;
}
.spec-list li:last-child { border-bottom: none; }
.product-visual {
  background: var(--off-white);
  border: 1px solid var(--light-grey);
  border-radius: var(--radius);
  padding: 3rem 2rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  position: sticky;
  top: calc(var(--nav-h) + 2rem);
}
.visual-label {
  font-size: 0.72rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-muted);
}
.spec-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}
.spec-chips span {
  font-size: 0.75rem;
  color: var(--green);
  background: var(--green-pale);
  border: 1px solid rgba(44,74,62,0.15);
  padding: 0.3rem 0.75rem;
  border-radius: 20px;
  letter-spacing: 0.04em;
}
.visual-note {
  font-size: 0.8125rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* Divider between products */
.product-divider {
  height: 1px;
  background: var(--light-grey);
}

/* How to order steps */
.how-section {
  padding: 5rem 0;
  background: var(--off-white);
}
.how-section h2 {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 3vw, 2.75rem);
  font-weight: 400;
  color: var(--text-dark);
  margin-bottom: 3rem;
}
.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}
.step {
  padding: 2rem;
  background: var(--white);
  border: 1px solid var(--light-grey);
  border-radius: var(--radius);
}
.step-num {
  width: 36px; height: 36px;
  background: var(--green);
  color: var(--white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: 1.25rem;
}
.step h3 {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 400;
  color: var(--text-dark);
  margin-bottom: 0.6rem;
}
.step p {
  font-size: 0.8125rem;
  color: var(--text-muted);
  line-height: 1.7;
}

/* ── Contact page ───────────────────────────────────────── */
.contact-section {
  padding: 5rem 0;
  background: var(--white);
}
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 4rem;
}
.form-wrap h2 {
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 400;
  color: var(--text-dark);
  margin-bottom: 2rem;
}
.inquiry-form {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}
.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}
.form-group label {
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
}
.form-group input,
.form-group select,
.form-group textarea {
  font-family: var(--font-body);
  font-size: 0.9375rem;
  color: var(--text-dark);
  background: var(--off-white);
  border: 1px solid var(--light-grey);
  border-radius: var(--radius);
  padding: 0.75rem 1rem;
  transition: border-color 0.15s;
  width: 100%;
  outline: none;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--green);
}
.form-group textarea { resize: vertical; }
.form-check {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.875rem;
  color: var(--text-muted);
}
.form-check input[type="checkbox"] { accent-color: var(--green); }
.btn-submit {
  align-self: flex-start;
}
.form-note {
  font-size: 0.78rem;
  color: var(--text-muted);
}
.form-success {
  background: var(--green-pale);
  border: 1px solid rgba(44,74,62,0.2);
  color: var(--green);
  padding: 1rem;
  border-radius: var(--radius);
  font-size: 0.875rem;
}
.contact-info-card {
  background: var(--off-white);
  border: 1px solid var(--light-grey);
  border-radius: var(--radius);
  padding: 1.75rem;
}
.contact-info-card h3 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 400;
  color: var(--text-dark);
  margin-bottom: 1.25rem;
}
.contact-method {
  display: flex;
  gap: 0.75rem;
  align-items: flex-start;
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--light-grey);
}
.contact-method:last-child { border-bottom: none; }
.contact-icon { font-size: 1rem; margin-top: 2px; }
.contact-method strong {
  display: block;
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 0.2rem;
}
.contact-method a {
  font-size: 0.875rem;
  color: var(--green);
}
.contact-sub {
  display: block;
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 0.15rem;
}
.expect-list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.expect-list li {
  font-size: 0.8125rem;
  color: var(--text-muted);
  padding: 0.4rem 0;
  border-bottom: 1px solid var(--light-grey);
  line-height: 1.5;
}
.expect-list li:last-child { border-bottom: none; }

/* ── Blog pages ─────────────────────────────────────────── */
.blog-index-hero {
  padding: calc(var(--nav-h) + 4rem) 0 4rem;
  background: var(--off-white);
  border-bottom: 1px solid var(--light-grey);
}
.blog-index-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 5vw, 4rem);
  font-weight: 400;
  color: var(--text-dark);
  margin: 1rem 0 1.25rem;
  line-height: 1.1;
}
.blog-index-hero p {
  font-size: 1.0625rem;
  color: var(--text-muted);
  max-width: 520px;
  line-height: 1.8;
}
.articles-section {
  padding: 5rem 0;
  background: var(--white);
}
.articles-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-top: 3rem;
}
.article-card-featured {
  grid-column: 1 / -1;
  background: var(--off-white);
  border: 1px solid var(--light-grey);
  border-radius: var(--radius);
  padding: 3rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
  transition: border-color 0.2s;
  text-decoration: none;
}
.article-card-featured:hover { border-color: var(--green); }
.featured-label {
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--green);
  margin-bottom: 1rem;
  display: block;
}
.article-card-featured h2 {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 2.5vw, 2.25rem);
  font-weight: 400;
  color: var(--text-dark);
  line-height: 1.2;
  margin-bottom: 1rem;
}
.article-card-featured p {
  font-size: 0.9375rem;
  color: var(--text-muted);
  line-height: 1.8;
  margin-bottom: 1.5rem;
}
.article-meta {
  display: flex;
  gap: 1rem;
  align-items: center;
  flex-wrap: wrap;
}
.article-tag {
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--green);
  background: var(--green-pale);
  border: 1px solid rgba(44,74,62,0.15);
  padding: 0.25rem 0.6rem;
  border-radius: 2px;
}
.article-date, .article-read {
  font-size: 0.8rem;
  color: var(--text-muted);
}
.featured-visual {
  background: var(--white);
  border: 1px solid var(--light-grey);
  border-radius: var(--radius);
  height: 240px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 1rem;
}
.featured-visual-icon { font-size: 3rem; opacity: 0.3; }
.featured-visual-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.article-card {
  background: var(--off-white);
  border: 1px solid var(--light-grey);
  border-radius: var(--radius);
  padding: 2rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  transition: border-color 0.2s;
  text-decoration: none;
}
.article-card:hover { border-color: var(--green); }
.article-card h3 {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 400;
  color: var(--text-dark);
  line-height: 1.3;
}
.article-card p {
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.7;
  flex: 1;
}
.article-card-footer {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding-top: 0.75rem;
  border-top: 1px solid var(--light-grey);
  margin-top: auto;
}
.article-card-soon { opacity: 0.5; pointer-events: none; }
.soon-badge {
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
  border: 1px solid var(--light-grey);
  padding: 0.2rem 0.5rem;
  border-radius: 2px;
}
.topics-filter {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}
.topic-btn {
  font-size: 0.8rem;
  color: var(--text-muted);
  border: 1px solid var(--light-grey);
  padding: 0.4rem 1rem;
  border-radius: 20px;
  cursor: pointer;
  background: none;
  transition: color 0.2s, border-color 0.2s;
}
.topic-btn:hover, .topic-btn.active {
  color: var(--green);
  border-color: var(--green);
}
.newsletter-strip {
  background: var(--off-white);
  border-top: 1px solid var(--light-grey);
  border-bottom: 1px solid var(--light-grey);
  padding: 3rem 0;
}
.newsletter-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  flex-wrap: wrap;
}
.newsletter-text h3 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 400;
  color: var(--text-dark);
  margin-bottom: 0.4rem;
}
.newsletter-text p {
  font-size: 0.875rem;
  color: var(--text-muted);
}

/* Blog article page */
.article-hero {
  padding: calc(var(--nav-h) + 4rem) 0 3rem;
  background: var(--off-white);
  border-bottom: 1px solid var(--light-grey);
}
.article-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 4rem);
  font-weight: 400;
  color: var(--text-dark);
  line-height: 1.1;
  margin: 1rem 0 1.5rem;
  max-width: 780px;
}
.article-body {
  padding: 4rem 0 6rem;
  background: var(--white);
}
.article-layout {
  display: grid;
  grid-template-columns: 1fr 280px;
  gap: 5rem;
  align-items: start;
}
.article-content h2 {
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 400;
  color: var(--text-dark);
  margin: 2.5rem 0 0.75rem;
}
.article-content h3 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-dark);
  margin: 1.75rem 0 0.5rem;
  letter-spacing: 0.04em;
}
.article-content p {
  font-size: 0.9375rem;
  color: var(--text-muted);
  line-height: 1.9;
  margin-bottom: 1.1rem;
}
.article-content ul, .article-content ol {
  margin: 0 0 1.1rem 1.5rem;
  list-style: disc;
}
.article-content li {
  font-size: 0.9375rem;
  color: var(--text-muted);
  line-height: 1.8;
  margin-bottom: 0.4rem;
}
.article-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.5rem 0;
  font-size: 0.8125rem;
}
.article-content th {
  background: var(--off-white);
  border: 1px solid var(--light-grey);
  padding: 0.75rem 1rem;
  text-align: left;
  font-weight: 600;
  color: var(--text-dark);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.article-content td {
  border: 1px solid var(--light-grey);
  padding: 0.75rem 1rem;
  color: var(--text-muted);
}
.article-content tr:nth-child(even) td { background: var(--off-white); }
.article-sidebar {
  position: sticky;
  top: calc(var(--nav-h) + 2rem);
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}
.toc-card, .cta-card {
  background: var(--off-white);
  border: 1px solid var(--light-grey);
  border-radius: var(--radius);
  padding: 1.5rem;
}
.toc-card h4, .cta-card h4 {
  font-size: 0.72rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 1rem;
}
.toc-list { display: flex; flex-direction: column; gap: 0.5rem; }
.toc-list a {
  font-size: 0.8125rem;
  color: var(--text-muted);
  transition: color 0.15s;
}
.toc-list a:hover { color: var(--green); }
.cta-card p {
  font-size: 0.8125rem;
  color: var(--text-muted);
  line-height: 1.65;
  margin-bottom: 1rem;
}

/* ── WhatsApp float ─────────────────────────────────────── */
.whatsapp-float {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 52px; height: 52px;
  background: #25D366;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(0,0,0,0.15);
  z-index: 200;
  transition: transform 0.2s;
}
.whatsapp-float:hover { transform: scale(1.08); }
.whatsapp-float svg {
  width: 26px; height: 26px;
  fill: white;
}

/* ── Responsive ─────────────────────────────────────────── */
@media (max-width: 1024px) {
  .cred-grid { grid-template-columns: repeat(3, 1fr); }
  .cred-item { border-bottom: 1px solid rgba(255,255,255,0.12); }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 2rem; }
}

@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-burger { display: block; }

  .hero-title { font-size: clamp(2.5rem, 8vw, 4rem); }
  .hero-badges { flex-wrap: wrap; }
  .badge { flex: 1 1 calc(50% - 1px); }

  .use-cases { grid-template-columns: 1fr; }
  .why-grid { grid-template-columns: 1fr; gap: 3rem; }
  .about-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .product-grid, .product-grid-reverse { grid-template-columns: 1fr; direction: ltr; }
  .steps { grid-template-columns: 1fr 1fr; }
  .params-grid { grid-template-columns: 1fr 1fr; }
  .articles-grid { grid-template-columns: 1fr; }
  .article-card-featured { grid-template-columns: 1fr; gap: 1.5rem; }
  .article-layout { grid-template-columns: 1fr; }
  .compliance-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .cred-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
  .steps { grid-template-columns: 1fr; }
  .badge { flex: 1 1 100%; }
}