:root {
  --bg: #f8fafc;
  --ink: #0f172a;
  --muted: #64748b;
  --line: #e2e8f0;
  --blue: #2563eb;
  --blue-soft: #eff6ff;
  --card: rgba(255,255,255,.86);
  --shadow: 0 28px 80px rgba(15, 23, 42, .12);
  --radius: 28px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 116px; }
body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--bg);
  letter-spacing: .015em;
  overflow-x: hidden;
}
a { color: inherit; }
button, input, select { font: inherit; }

.animated-bg {
  position: fixed;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(circle at 9% 22%, rgba(37,99,235,.17), transparent 34%),
    radial-gradient(circle at 88% 15%, rgba(236,72,153,.13), transparent 33%),
    radial-gradient(circle at 72% 74%, rgba(251,191,36,.12), transparent 30%),
    linear-gradient(180deg, #ffffff 0%, #f8fafc 100%);
  animation: bgFlow 14s ease-in-out infinite alternate;
}
@keyframes bgFlow {
  0% { filter: hue-rotate(0deg); transform: scale(1); }
  100% { filter: hue-rotate(10deg); transform: scale(1.035); }
}

.section-shell { width: min(100% - 88px, 1260px); margin: 0 auto; }
.section { padding: 94px 0; scroll-margin-top: 116px; }
.section-divided { border-top: 1px solid rgba(226,232,240,.9); }

.site-header {
  position: sticky;
  top: 0;
  height: 74px;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  padding: 0 58px;
  z-index: 50;
  background: rgba(255,255,255,.78);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(226,232,240,.9);
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 18px;
  text-decoration: none;
  font-weight: 850;
  font-size: 19px;
  letter-spacing: .025em;
}
.brand-icon { width: 48px; height: 48px; border-radius: 13px; box-shadow: 0 12px 30px rgba(37,99,235,.22); }
.nav {
  justify-self: center;
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 7px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255,255,255,.78);
}
.nav a {
  text-decoration: none;
  color: #475569;
  font-weight: 760;
  padding: 9px 17px;
  border-radius: 999px;
  transition: background .2s ease, color .2s ease, transform .2s ease;
}
.nav a:hover { background: #f1f5f9; color: var(--ink); transform: translateY(-1px); }
.language-selector {
  justify-self: end;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  height: 46px;
  padding: 0 18px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: #fff;
  color: var(--ink);
  font-weight: 780;
  font-family: inherit;
  font-size: inherit;
  appearance: none;
  cursor: pointer;
}

.lang-flag,
.ifc-language-flag {
  display: block;
  width: 18px;
  height: 13px;
  border-radius: 2px;
  object-fit: cover;
  flex: 0 0 auto;
}

.hero {
  min-height: calc(100vh - 74px);
  display: grid;
  grid-template-columns: minmax(0, 1fr) 460px;
  gap: 50px;
  align-items: start;
  padding-top: 86px;
  padding-bottom: 78px;
}
.eyebrow {
  margin: 0 0 24px;
  color: var(--blue);
  font-size: 14px;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: .16em;
}
.hero-copy h1,
.section-heading h2,
.install-card h2 {
  margin: 0;
  color: var(--ink);
  font-weight: 920;
  line-height: .94;
  letter-spacing: -.012em;
}
.hero-copy h1 { font-size: clamp(58px, 8vw, 112px); max-width: 780px; }
.hero-text {
  margin: 30px 0 0;
  max-width: 740px;
  color: var(--muted);
  font-size: clamp(22px, 2vw, 31px);
  line-height: 1.55;
  letter-spacing: .01em;
  text-align: justify;
}
.hero-actions { display: flex; gap: 20px; margin-top: 44px; flex-wrap: wrap; }
.btn {
  min-height: 60px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 0 38px;
  border-radius: 22px;
  text-decoration: none;
  font-size: 20px;
  font-weight: 880;
  letter-spacing: .004em;
  transition: transform .2s ease, box-shadow .2s ease;
}
.btn:hover { transform: translateY(-2px); }
.btn-primary { background: #111827; color: white; box-shadow: 0 20px 44px rgba(15,23,42,.16); }
.btn-secondary { background: rgba(255,255,255,.9); color: var(--ink); border: 1px solid var(--line); }
.trust-row {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 26px;
}
.trust-row span {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: #475569;
  background: rgba(255,255,255,.74);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 10px 14px;
  font-weight: 760;
  font-size: 14px;
}
.trust-row strong { color: #16a34a; }
.security-seals { gap: 14px; align-items: stretch; }
.security-seals .seal {
  min-width: 132px;
  justify-content: center;
  border-radius: 18px;
  border: 1px solid rgba(37,99,235,.22);
  background: linear-gradient(180deg, rgba(255,255,255,.92), rgba(239,246,255,.72));
  box-shadow: 0 14px 34px rgba(37,99,235,.08);
  text-transform: uppercase;
  font-size: 11px;
  letter-spacing: .11em;
}
.security-seals .seal strong {
  width: 22px; height: 22px; border-radius: 999px;
  display:inline-flex; align-items:center; justify-content:center;
  background:#dcfce7; color:#16a34a; font-size:13px;
}
.hero-visual { display: flex; justify-content: center; align-items: flex-start; }

/* Extension preview */
.ifc-preview-root {
  width: 440px;
  background: #ffffff;
  color: #111827;
  border: 1px solid #e5e7eb;
  box-shadow: var(--shadow);
  border-radius: 22px;
  overflow: hidden;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
}
.ifc-header { padding: 16px 18px; border-bottom: 1px solid #f3f4f6; display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.ifc-title { margin: 0; font-size: 16px; font-weight: 850; letter-spacing: -.02em; }
.ifc-subtitle { display: inline-flex; margin-top: 8px; padding: 6px 10px; border: 1px solid #dbeafe; border-radius: 999px; background: linear-gradient(90deg,#eff6ff,#fff); font-size: 13px; font-weight: 750; }
.ifc-header-right { display:flex; align-items:center; gap:8px; }
.ifc-language {
  border: 1px solid #e5e7eb;
  border-radius: 999px;
  background: #fff;
  padding: 6px 10px;
  color: #111827;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 780;
  font-family: inherit;
}
.ifc-close { border: 0; background:#f3f4f6; color:#111827; width:32px; height:32px; border-radius:999px; font-size:22px; display:inline-flex; align-items:center; justify-content:center; }
.ifc-body { padding: 16px 18px 14px; }
.ifc-actions { display:grid; grid-template-columns: 1.08fr .78fr .92fr .78fr; gap:8px; margin-bottom: 10px; }
.ifc-btn { border:0; border-radius:10px; padding: 10px 9px; cursor: default; font-size:12px; font-weight:750; white-space:nowrap; }
.ifc-btn-primary { background:#111827; color:#fff; }
.ifc-btn-secondary { background:#f3f4f6; color:#111827; }
.ifc-btn-danger { background:#fee2e2; color:#991b1b; }
.ifc-status { color:#1f2937; font-size:13px; line-height:1.45; padding:11px 12px; border:1px solid #bfdbfe; background:#eff6ff; border-radius:12px; font-weight:650; margin-bottom:12px; }
.ifc-metrics { display:grid; grid-template-columns: repeat(3,1fr); gap:8px; margin-bottom:12px; }
.ifc-metric { border:1px solid #f3f4f6; background:#fafafa; border-radius:12px; padding:10px; }
.ifc-metric-value { font-size:20px; font-weight:850; }
.ifc-metric-label { font-size:11px; color:#6b7280; margin-top:3px; }
.ifc-filter-grid { display:grid; grid-template-columns: minmax(0,1fr) 112px 112px; gap:8px; margin-bottom:10px; }
.ifc-search,.ifc-select { width:100%; border:1px solid #e5e7eb; border-radius:10px; padding:10px; font-size:13px; background:#fff; color:#111827; }
.ifc-filter-tools { display:flex; justify-content:space-between; gap:8px; color:#6b7280; font-size:12px; margin-bottom:10px; }
.ifc-link-btn { border:0; background:transparent; color:#2563eb; font-weight:800; padding:0; }
.ifc-selection-panel { display:grid; gap:10px; margin:10px 0 12px; padding:12px; border:1px solid #f3f4f6; border-radius:12px; background:#fafafa; }
.ifc-selection-row { display:flex; justify-content:space-between; align-items:center; gap:10px; }
.ifc-check-label { display:flex; align-items:center; gap:8px; font-size:13px; font-weight:700; }
.ifc-checkbox { width:16px; height:16px; accent-color:#111827; }
.ifc-selected-count { color:#6b7280; font-size:12px; }
.ifc-label { font-size:12px; font-weight:750; color:#374151; display:block; margin-bottom:10px; }
.ifc-speed-toggle { display:grid; grid-template-columns:1fr 1fr; gap:6px; padding:4px; border:1px solid #e5e7eb; background:#f9fafb; border-radius:12px; }
.ifc-speed-option input { display:none; }
.ifc-speed-card { min-height:44px; display:flex; flex-direction:column; align-items:center; justify-content:center; border-radius:9px; color:#374151; text-align:center; padding:6px 6px; }
.ifc-speed-name { font-size:12px; font-weight:800; line-height:1.15; }
.ifc-speed-hint { margin-top:3px; font-size:10px; font-weight:600; color:#6b7280; line-height:1.15; }
.ifc-speed-option:first-child .ifc-speed-card { background:#111827; color:white; }
.ifc-speed-option:first-child .ifc-speed-card .ifc-speed-hint { color:#d1d5db; }
.ifc-unfollow-btn { width:100%; }
.ifc-list-box { margin-top: 10px; border:1px solid #e5e7eb; border-radius:14px; overflow:hidden; background:#fff; }
.ifc-list-header { display:flex; justify-content:space-between; padding:10px 12px; border-bottom:1px solid #f3f4f6; background:#fafafa; color:#374151; font-size:12px; font-weight:800; }
.ifc-list { height:auto; overflow: hidden; }
.ifc-row { display:flex; justify-content:space-between; align-items:center; gap:10px; padding:10px 12px; border-bottom:1px solid #f3f4f6; }
.ifc-row:last-child { border-bottom:0; }
.ifc-user-wrap { display:flex; align-items:center; gap:8px; min-width:0; flex:1 1 auto; }
.ifc-avatar,
.ifc-avatar-fallback {
  width:34px;
  height:34px;
  border-radius:999px;
  flex:0 0 auto;
}
.ifc-avatar {
  display:block;
  object-fit:cover;
  background:#f3f4f6;
  border:1px solid #e5e7eb;
}
.ifc-user { min-width:0; flex:1 1 auto; }
.ifc-username { display:flex; align-items:center; gap:6px; font-size:13px; font-weight:800; }
.ifc-fullname { color:#6b7280; font-size:12px; margin-top:2px; }
.ifc-open { color:#2563eb; text-decoration:none; font-size:12px; font-weight:800; }
.ifc-blue-badge { width:15px; height:15px; display:inline-flex; align-items:center; justify-content:center; border-radius:999px; background:#0095f6; color:white; font-size:10px; font-weight:900; }
.ifc-footer { padding: 13px 18px 12px; border-top:1px solid #f3f4f6; color:#6b7280; font-size:11px; line-height:1.45; background:#fff; text-align:justify; }
.ifc-copyright { margin-top:8px; padding-top:8px; border-top:1px dashed #e5e7eb; text-align:center; color:#4b5563; font-size:10.5px; font-weight:700; }
.ifc-copyright a { color:#2563eb; text-decoration:none; font-weight:850; }

.section-heading { text-align:center; max-width: 900px; margin: 0 auto 48px; }
.section-heading.align-left { text-align:left; margin:0; max-width:680px; }
.section-heading.align-left p:not(.eyebrow) { text-align:justify; text-align-last:left; }
.section-heading h2, .install-card h2 { font-size: clamp(42px, 5.4vw, 76px); }
.section-heading p:not(.eyebrow), .privacyText { color: var(--muted); font-size:22px; line-height:1.55; letter-spacing:.012em; text-align:justify; text-align-last:center; }
.feature-grid { display:grid; grid-template-columns: repeat(4,1fr); gap:24px; }
.feature-card {
  min-height: 248px;
  padding: 36px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--card);
  box-shadow: 0 18px 50px rgba(15,23,42,.06);
}
.feature-card h3 { margin:0 0 24px; font-size:28px; line-height:1.12; letter-spacing:.002em; }
.feature-card p { margin:0; color:var(--muted); font-size:20px; line-height:1.55; text-align:justify; }
.split-section { display:grid; grid-template-columns: 1.05fr .95fr; gap:76px; align-items:center; }
.privacy-list {
  padding: 38px 48px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255,255,255,.78);
  box-shadow: 0 20px 60px rgba(15,23,42,.08);
}
.privacy-list ul { margin:0; padding:0; list-style:none; display:grid; gap:24px; }
.privacy-list li { display:flex; align-items:center; gap:14px; color:#1f2937; font-size:22px; line-height:1.35; }
.privacy-list li span { width:24px; height:24px; display:inline-flex; align-items:center; justify-content:center; border-radius:999px; background:#dcfce7; color:#16a34a; font-size:14px; flex:0 0 auto; }
.install-card {
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:50px;
  padding: 54px;
  border: 1px solid var(--line);
  border-radius: 36px;
  background: rgba(255,255,255,.82);
  box-shadow: 0 18px 60px rgba(15,23,42,.07);
}
.install-card p:not(.eyebrow) { max-width: 840px; color:var(--muted); font-size:22px; line-height:1.55; text-align:justify; }
.btn-download { min-width: 430px; text-align:center; white-space:nowrap; flex-shrink:0; }
.btn-download > span:first-child { font-size: 22px; line-height:1; transform: translateY(-1px); }
.faq-grid { display:grid; gap:18px; max-width: 1020px; margin: 0 auto; }
details { border:1px solid var(--line); border-radius:22px; background:rgba(255,255,255,.84); padding:0; overflow:hidden; }
summary { cursor:pointer; padding:24px 28px; font-size:20px; font-weight:850; letter-spacing:-.015em; }
details p { margin:0; padding:0 28px 24px; color:var(--muted); font-size:18px; line-height:1.6; }

.site-footer {
  margin-top: 44px;
  border-top: 1px solid rgba(226,232,240,.95);
  background: linear-gradient(180deg, rgba(255,255,255,.92), rgba(248,250,252,.96));
}
.footer-inner {
  display:grid;
  grid-template-columns: 1fr auto;
  align-items:start;
  gap: 36px;
  padding-top: 28px;
  padding-bottom: 20px;
}
.footer-inner h2 { margin:0 0 10px; font-size:24px; letter-spacing:.004em; }
.footer-inner p { margin: 0; color:#64748b; line-height:1.55; text-align:justify; }
.footer-disclaimer { max-width: 880px; }
.footer-author {
  min-width: 230px;
  color:#64748b;
  line-height:1.5;
  display:grid;
  gap:4px;
}
.footer-author strong { color:#0f172a; }
.footer-author a { color:#2563eb; text-decoration:none; font-weight:800; }
.footer-bottom { border-top:1px solid rgba(226,232,240,.9); padding-top:14px; padding-bottom:18px; color:#64748b; font-weight:700; font-size:13px; }

.reveal { opacity:0; transform: translateY(18px); transition: opacity .7s ease, transform .7s ease; }
.reveal.visible { opacity:1; transform: translateY(0); }
.delay-1 { transition-delay: .08s; } .delay-2 { transition-delay:.16s; } .delay-3 { transition-delay:.24s; }

@media (max-width: 1100px) {
  .hero, .split-section { grid-template-columns: 1fr; }
  .hero { gap: 46px; }
  .feature-grid { grid-template-columns: repeat(2,1fr); }
  .footer-inner, .footer-meta { grid-template-columns: 1fr; }
}
@media (max-width: 860px) {
  .nav { display:none; }
  .site-header { grid-template-columns: 1fr auto; padding: 0 20px; }
  .language-selector { grid-column:2; }
  .section-shell { width: min(100% - 36px, 1260px); }
  .hero-copy h1 { font-size: 58px; }
  .install-card { flex-direction: column; align-items:flex-start; }
}
@media (max-width: 620px) {
  .feature-grid { grid-template-columns: 1fr; }
  .hero { padding-top: 46px; }
  .hero-copy h1 { font-size: 46px; }
  .hero-text { font-size: 20px; }
  .btn { width:100%; padding:0 22px; font-size:18px; }
  .ifc-preview-root { transform: scale(.86); transform-origin: top center; margin-bottom:-80px; }
  .ifc-actions { grid-template-columns:repeat(2,1fr); }
  .ifc-filter-grid { grid-template-columns: 1fr; }
  .section { padding:70px 0; }
}

/* v8 refinements */
.hero-copy h1, .section-heading h2, .install-card h2 { letter-spacing: -.012em; }
.hero-copy h1 { font-size: clamp(56px, 7.4vw, 104px); }
.section-heading h2, .install-card h2 { font-size: clamp(40px, 5vw, 70px); }
.privacy-list li { letter-spacing: .012em; }
summary { letter-spacing: .006em; }
details p { text-align: justify; }
@media (max-width: 1100px) { .hero { grid-template-columns: 1fr; } .ifc-preview-root { width: min(100%, 500px); } }
@media (max-width: 860px) { .btn-download { min-width: 0; width: 100%; } .footer-inner { grid-template-columns: 1fr; } }

/* v9 refinements */
body { letter-spacing: .022em; }
.hero-copy h1,
.section-heading h2,
.install-card h2,
.feature-card h3,
.footer-inner h2 {
  letter-spacing: .018em !important;
}
.hero-copy h1 {
  font-size: clamp(48px, 6.15vw, 86px) !important;
  line-height: 1.02;
  max-width: 760px;
}
.section-heading h2,
.install-card h2 {
  font-size: clamp(34px, 4.1vw, 58px) !important;
  line-height: 1.08;
}
.hero-text,
.section-heading p:not(.eyebrow),
.feature-card p,
.install-card p:not(.eyebrow),
.footer-inner p,
details p {
  text-align: justify;
  text-align-last: left;
}
.section-heading:not(.align-left) p:not(.eyebrow) {
  max-width: 760px;
  margin-left: auto;
  margin-right: auto;
}

.security-certificates {
  display: grid;
  grid-template-columns: repeat(3, minmax(118px, 1fr));
  gap: 14px;
  margin-top: 28px;
  max-width: 590px;
}
.certificate {
  min-height: 96px;
  border-radius: 18px;
  padding: 14px 13px;
  display: grid;
  align-content: center;
  justify-items: start;
  gap: 4px;
  border: 1px solid rgba(226,232,240,.95);
  box-shadow: 0 18px 42px rgba(15,23,42,.10);
  overflow: hidden;
  position: relative;
}
.certificate::after {
  content: "";
  position: absolute;
  width: 90px;
  height: 90px;
  border-radius: 999px;
  right: -34px;
  top: -34px;
  background: rgba(255,255,255,.12);
}
.certificate-dark { background: linear-gradient(135deg, #111827, #1e293b); color: #ffffff; }
.certificate-blue { background: linear-gradient(135deg, #2563eb, #1d4ed8); color: #ffffff; }
.certificate-light { background: linear-gradient(135deg, #ffffff, #eff6ff); color: #111827; }
.certificate-icon {
  font-size: 20px;
  line-height: 1;
  font-weight: 900;
  letter-spacing: .04em;
}
.certificate-label {
  font-size: 13px;
  font-weight: 920;
  letter-spacing: .12em;
  white-space: nowrap;
}
.certificate small {
  font-size: 11px;
  font-weight: 750;
  opacity: .82;
  letter-spacing: .05em;
}

.btn-download {
  min-width: 540px;
  white-space: nowrap;
  flex-direction: row;
  justify-content: center;
  align-items: center;
  text-align: center;
  gap: 14px;
}
.btn-download span { white-space: nowrap; }
.btn-download > span:first-child {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  flex: 0 0 auto;
}

.site-footer {
  margin-top: 36px;
  border-top: 1px solid rgba(203,213,225,.95);
  background: linear-gradient(180deg, rgba(255,255,255,.96), rgba(241,245,249,.98));
}
.footer-inner {
  display: block;
  padding-top: 24px;
  padding-bottom: 14px;
}
.footer-inner h2 {
  font-size: 20px;
  margin-bottom: 8px;
}
.footer-disclaimer {
  max-width: 1000px;
  font-size: 15px;
  line-height: 1.55;
}
.footer-author { display: none !important; }
.footer-bottom {
  padding-top: 12px;
  padding-bottom: 16px;
  font-size: 13px;
}
.footer-bottom a {
  color: #2563eb;
  text-decoration: none;
  font-weight: 850;
}
.footer-bottom a:hover { text-decoration: underline; }

@media (max-width: 860px) {
  .security-certificates { grid-template-columns: 1fr; max-width: none; }
  .btn-download { min-width: 0; width: 100%; }
}

/* v10 refinements requested: smaller typography, no justified text, compact download button */
html { scroll-padding-top: 132px; }
.section { scroll-margin-top: 132px; }
body { letter-spacing: .012em; }
.hero-copy h1,
.section-heading h2,
.install-card h2,
.feature-card h3,
.footer-inner h2 {
  letter-spacing: .006em !important;
}
.hero-copy h1 {
  font-size: clamp(42px, 5.65vw, 74px) !important;
  line-height: 1.05 !important;
}
.section-heading h2,
.install-card h2 {
  font-size: clamp(30px, 3.6vw, 50px) !important;
  line-height: 1.12 !important;
}
.hero-text {
  font-size: clamp(18px, 1.55vw, 24px) !important;
  line-height: 1.55;
  text-align: left !important;
  text-align-last: auto !important;
}
.section-heading p:not(.eyebrow),
.privacyText,
.feature-card p,
.install-card p:not(.eyebrow),
.footer-inner p,
details p {
  font-size: 17px;
  line-height: 1.58;
  text-align: left !important;
  text-align-last: auto !important;
}
.section-heading:not(.align-left) p:not(.eyebrow) {
  text-align: center !important;
  text-align-last: center !important;
}
.feature-card h3 { font-size: 23px; line-height: 1.17; }
.feature-card { min-height: 214px; padding: 30px; }
.privacy-list li { font-size: 18px; letter-spacing: .006em; }
summary { font-size: 18px; letter-spacing: .004em; }
.eyebrow { font-size: 13px; letter-spacing: .13em; }
.btn { min-height: 56px; font-size: 17px; padding: 0 30px; border-radius: 20px; }
.btn-download {
  min-width: 0 !important;
  width: fit-content !important;
  max-width: none !important;
  padding: 0 30px !important;
  gap: 11px !important;
  white-space: nowrap;
  line-height: 1;
}
.btn-download > span:first-child { width: 20px !important; font-size: 20px !important; }
.install-card { padding: 46px; gap: 36px; }
.install-card p:not(.eyebrow) { font-size: 18px; max-width: 760px; }
.footer-inner { padding-top: 22px; padding-bottom: 10px; }
.footer-inner h2 { font-size: 19px; }
.footer-disclaimer { font-size: 14px; max-width: 980px; }
.footer-bottom { text-align: center; padding-top: 12px; padding-bottom: 16px; }
@media (max-width: 860px) {
  .btn-download { width: 100% !important; }
  .install-card { padding: 32px; }
}

/* v11 final refinements */
html { scroll-padding-top: 88px !important; }
.section { scroll-margin-top: 88px !important; }

body { letter-spacing: .006em !important; }

.hero-copy h1,
.section-heading h2,
.install-card h2,
.feature-card h3,
.footer-inner h2,
summary {
  letter-spacing: -0.004em !important;
}

.eyebrow {
  letter-spacing: .115em !important;
}

.feature-card p,
.install-card p:not(.eyebrow),
.privacyText,
.section-heading.align-left p:not(.eyebrow),
details p {
  text-align: left !important;
  text-align-last: auto !important;
}

.site-footer,
.footer-inner,
.footer-inner h2,
.footer-inner p,
.footer-disclaimer,
.footer-bottom {
  text-align: center !important;
  text-align-last: center !important;
}

.footer-disclaimer {
  margin-left: auto;
  margin-right: auto;
  max-width: 960px;
}

.footer-bottom {
  display: block;
  width: min(100% - 88px, 1260px);
  margin-left: auto;
  margin-right: auto;
}

@media (max-width: 860px) {
  .footer-bottom { width: min(100% - 36px, 1260px); }
}

/* v12 corrections: smaller typography, precise anchors, centered footer */
html {
  scroll-padding-top: 78px !important;
}
.section {
  padding: 64px 0 !important;
  scroll-margin-top: 78px !important;
}
#features { scroll-margin-top: 0 !important; }
#faq { scroll-margin-top: -64px !important; }
.section-shell {
  width: min(100% - 88px, 1240px) !important;
}
body {
  letter-spacing: .002em !important;
}
.site-header {
  height: 70px !important;
  padding: 0 54px !important;
}
.brand {
  gap: 12px !important;
  font-size: 15px !important;
  white-space: nowrap !important;
}
.brand-icon {
  width: 42px !important;
  height: 42px !important;
  border-radius: 11px !important;
}
.nav a {
  font-size: 14px !important;
  padding: 8px 15px !important;
}
.language-selector {
  height: 42px !important;
  font-size: 14px !important;
  gap: 8px !important;
}
.hero {
  min-height: calc(100vh - 70px) !important;
  grid-template-columns: minmax(0, 1fr) 430px !important;
  gap: 44px !important;
  padding-top: 70px !important;
  padding-bottom: 64px !important;
}
.eyebrow {
  font-size: 12px !important;
  letter-spacing: .105em !important;
  margin-bottom: 18px !important;
}
.hero-copy h1,
.section-heading h2,
.install-card h2,
.feature-card h3,
.footer-inner h2,
summary {
  letter-spacing: -0.018em !important;
}
.hero-copy h1 {
  font-size: clamp(36px, 4.95vw, 64px) !important;
  line-height: 1.06 !important;
  max-width: 680px !important;
}
.hero-text {
  margin-top: 22px !important;
  max-width: 680px !important;
  font-size: clamp(16px, 1.28vw, 20px) !important;
  line-height: 1.52 !important;
}
.hero-actions {
  margin-top: 32px !important;
  gap: 14px !important;
}
.btn {
  min-height: 50px !important;
  padding: 0 24px !important;
  border-radius: 17px !important;
  font-size: 15px !important;
  gap: 10px !important;
}
.security-certificates {
  margin-top: 22px !important;
  gap: 10px !important;
  max-width: 500px !important;
}
.certificate {
  min-height: 78px !important;
  border-radius: 15px !important;
  padding: 12px !important;
}
.certificate-label {
  font-size: 11px !important;
  letter-spacing: .08em !important;
}
.certificate small {
  font-size: 10px !important;
}
.ifc-preview-root {
  width: 420px !important;
}
.ifc-title { font-size: 15px !important; }
.ifc-status, .ifc-username, .ifc-search, .ifc-select, .ifc-subtitle { font-size: 12px !important; }
.ifc-metric-value { font-size: 18px !important; }
.ifc-body { padding: 14px 16px 12px !important; }
.ifc-footer { text-align: left !important; }
.section-heading {
  margin-bottom: 38px !important;
}
.section-heading h2,
.install-card h2 {
  font-size: clamp(27px, 3.15vw, 42px) !important;
  line-height: 1.12 !important;
}
.section-heading p:not(.eyebrow),
.privacyText,
.feature-card p,
.install-card p:not(.eyebrow),
details p {
  font-size: 16px !important;
  line-height: 1.55 !important;
}
.feature-grid {
  gap: 20px !important;
}
.feature-card {
  min-height: 190px !important;
  padding: 26px !important;
}
.feature-card h3 {
  font-size: 20px !important;
  margin-bottom: 18px !important;
}
.split-section {
  gap: 56px !important;
}
.privacy-list {
  padding: 30px 36px !important;
}
.privacy-list ul {
  gap: 18px !important;
}
.privacy-list li {
  font-size: 16px !important;
  line-height: 1.35 !important;
}
.install-card {
  min-height: 0 !important;
  padding: 38px 44px !important;
  gap: 32px !important;
  align-items: center !important;
}
.install-card p:not(.eyebrow) {
  font-size: 16px !important;
  max-width: 690px !important;
}
.btn-download {
  min-width: 0 !important;
  width: auto !important;
  max-width: none !important;
  padding: 0 24px !important;
  gap: 10px !important;
  white-space: nowrap !important;
}
.btn-download > span:first-child {
  width: 18px !important;
  font-size: 18px !important;
}
summary {
  font-size: 16px !important;
  padding: 19px 24px !important;
}
details p {
  padding: 0 24px 20px !important;
}
.site-footer {
  margin-top: 28px !important;
}
.footer-inner,
.footer-inner h2,
.footer-inner p,
.footer-disclaimer,
.footer-bottom {
  text-align: center !important;
  text-align-last: center !important;
}
.footer-inner {
  display: block !important;
  padding-top: 20px !important;
  padding-bottom: 10px !important;
}
.footer-inner h2 {
  font-size: 18px !important;
  margin-bottom: 8px !important;
}
.footer-disclaimer {
  max-width: 850px !important;
  margin: 0 auto !important;
  font-size: 13px !important;
  line-height: 1.5 !important;
}
.footer-bottom {
  width: min(100% - 88px, 1240px) !important;
  margin: 0 auto !important;
  padding-top: 11px !important;
  padding-bottom: 14px !important;
  font-size: 12px !important;
}
@media (max-width: 1100px) {
  .hero { grid-template-columns: 1fr !important; }
  .feature-grid { grid-template-columns: repeat(2, 1fr) !important; }
}
@media (max-width: 860px) {
  .site-header { padding: 0 20px !important; }
  .section-shell { width: min(100% - 36px, 1240px) !important; }
  .hero-copy h1 { font-size: 42px !important; }
  .install-card { padding: 30px !important; align-items: flex-start !important; }
  .btn-download { width: 100% !important; }
  .footer-bottom { width: min(100% - 36px, 1240px) !important; }
}
@media (max-width: 620px) {
  .feature-grid { grid-template-columns: 1fr !important; }
}