/* ============================================
   Sash Windows London — Modern Editorial
   ============================================ */

:root {
  /* Color */
  --bg: #F6F2EC;
  --bg-2: #EFE9DF;
  --paper: #FBF8F3;
  --ink: #1B1F1A;
  --ink-2: #2D332C;
  --muted: #6B6E66;
  --line: #D9D2C5;
  --line-2: #C8C0AF;
  --accent: #B5532A;       /* terracotta */
  --accent-ink: #6F2F12;
  --accent-soft: #E8D5C5;
  --green: #2F3D2A;
  --shadow-sm: 0 1px 2px rgba(27,31,26,.06), 0 4px 12px rgba(27,31,26,.04);
  --shadow-md: 0 8px 24px rgba(27,31,26,.08), 0 2px 6px rgba(27,31,26,.05);
  --shadow-lg: 0 24px 60px rgba(27,31,26,.18), 0 4px 12px rgba(27,31,26,.06);

  /* Type */
  --display: "Fraunces", "Times New Roman", serif;
  --sans: "Inter", -apple-system, BlinkMacSystemFont, sans-serif;
  --mono: "JetBrains Mono", "SF Mono", Menlo, monospace;

  /* Layout */
  --container: 1280px;
  --gutter: 48px;
  --radius: 4px;
  --radius-lg: 12px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img { max-width: 100%; display: block; }
button { font-family: inherit; cursor: pointer; }
a { color: inherit; text-decoration: none; }

/* ---------- Typography ---------- */
.eyebrow {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
  font-weight: 500;
}
.h-display {
  font-family: var(--display);
  font-weight: 350;
  font-style: normal;
  font-optical-sizing: auto;
  line-height: 0.98;
  letter-spacing: -0.02em;
  font-variation-settings: "SOFT" 30, "WONK" 0;
}
.h-display em {
  font-style: italic;
  font-weight: 350;
  font-variation-settings: "SOFT" 100;
  color: var(--accent);
}
.lede {
  font-family: var(--display);
  font-weight: 350;
  font-size: clamp(20px, 2.2vw, 28px);
  line-height: 1.35;
  letter-spacing: -0.01em;
  color: var(--ink-2);
}

/* ---------- Containers ---------- */
.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--gutter);
}
.section {
  padding: clamp(64px, 10vh, 140px) 0;
  position: relative;
}
.section-head {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 48px;
  margin-bottom: 64px;
  align-items: end;
}
.section-head .eyebrow-wrap { display: flex; flex-direction: column; gap: 12px; }
.section-head h2 {
  font-family: var(--display);
  font-weight: 350;
  font-size: clamp(36px, 5vw, 64px);
  line-height: 1.0;
  letter-spacing: -0.025em;
  margin: 0;
}
.section-head h2 em {
  font-style: italic;
  color: var(--accent);
}
.section-head .head-rt {
  color: var(--muted);
  font-size: 17px;
  line-height: 1.5;
  max-width: 520px;
  justify-self: end;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 22px;
  border: 1px solid var(--ink);
  background: var(--ink);
  color: var(--bg);
  font-family: var(--sans);
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.01em;
  border-radius: 999px;
  transition: all .25s ease;
  white-space: nowrap;
}
.btn:hover { background: var(--accent); border-color: var(--accent); color: #fff; transform: translateY(-1px); }
.btn-ghost {
  background: transparent;
  color: var(--ink);
  border-color: var(--ink);
}
.btn-ghost:hover { background: var(--ink); color: var(--bg); transform: translateY(-1px); }
.btn-light {
  background: rgba(255,255,255,0.92);
  color: var(--ink);
  border-color: rgba(255,255,255,0.92);
  backdrop-filter: blur(8px);
}
.btn-light:hover { background: var(--accent); color: #fff; border-color: var(--accent); }
.btn-clear {
  background: transparent;
  color: #fff;
  border-color: rgba(255,255,255,0.7);
}
.btn-clear:hover { background: #fff; color: var(--ink); border-color: #fff; }
.btn .arr {
  width: 18px; height: 10px; flex: none;
  transition: transform .3s ease;
}
.btn:hover .arr { transform: translateX(4px); }

/* ---------- Nav ---------- */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 80;
  padding: 18px var(--gutter);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
  transition: all .35s ease;
  color: #fff;
}
.nav.is-light { color: #fff; }
.nav.is-scrolled {
  background: rgba(246,242,236,0.92);
  backdrop-filter: saturate(140%) blur(14px);
  -webkit-backdrop-filter: saturate(140%) blur(14px);
  color: var(--ink);
  border-bottom: 1px solid var(--line);
  padding-top: 12px; padding-bottom: 12px;
}
.brand {
  display: flex; align-items: center; gap: 14px;
  font-family: var(--display);
  font-size: 20px;
  font-weight: 400;
  letter-spacing: -0.01em;
}
.brand-mark.wndw-mark {
  width: 38px; height: 38px;
  display: grid; place-items: center;
  background: transparent;
  border: none;
  border-radius: 0;
  flex: none;
}
.brand-mark.wndw-mark svg { width: 38px; height: 38px; display: block; }
.brand-word {
  font-family: var(--display);
  font-weight: 500;
  font-size: 20px;
  letter-spacing: 0.04em;
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
}
.brand-tld {
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 400;
  letter-spacing: 0.12em;
  text-transform: lowercase;
  opacity: 0.65;
  padding-left: 8px;
  border-left: 1px solid currentColor;
  align-self: center;
}
.brand-footer .brand-mark.wndw-mark { width: 56px; height: 56px; }
.brand-footer .brand-mark.wndw-mark svg { width: 56px; height: 56px; }
.brand-footer .brand-word { font-size: 24px; }
@media (max-width: 720px) {
  .brand-tld { display: none; }
  .brand-word { font-size: 18px; }
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
  list-style: none; margin: 0; padding: 0;
}
.nav-links > li > a {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 10px 16px;
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.005em;
  border-radius: 999px;
  transition: background .25s ease;
}
.nav-links > li > a:hover { background: rgba(255,255,255,0.12); }
.nav.is-scrolled .nav-links > li > a:hover { background: rgba(27,31,26,0.06); }
.has-sub { position: relative; }
/* Invisible bridge so the cursor can reach the submenu without closing */
.has-sub::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 100%;
  height: 14px;
  z-index: 19;
}
.has-sub > a::after {
  content: ""; width: 8px; height: 8px;
  border-right: 1.5px solid currentColor;
  border-bottom: 1.5px solid currentColor;
  transform: rotate(45deg) translateY(-2px);
  display: inline-block; opacity: 0.7;
  transition: transform .25s;
}
.has-sub.open > a::after,
.has-sub:hover > a::after,
.has-sub:focus-within > a::after {
  transform: rotate(-135deg) translateY(2px);
}
.submenu {
  position: absolute;
  top: 100%;
  left: 0;
  margin-top: 6px;
  background: var(--paper);
  color: var(--ink);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 10px;
  min-width: 220px;
  box-shadow: var(--shadow-md);
  list-style: none;
  margin-left: 0;
  display: none;
  flex-direction: column;
  gap: 2px;
  z-index: 20;
}
.has-sub.open .submenu,
.has-sub:hover .submenu,
.has-sub:focus-within .submenu {
  display: flex;
}
.submenu li a {
  display: block;
  padding: 10px 14px;
  border-radius: 6px;
  font-size: 14px;
  color: var(--ink);
}
.submenu li a:hover { background: var(--bg-2); color: var(--accent); }
.nav-cta { display: flex; align-items: center; gap: 12px; }
.nav-phone {
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.01em;
  opacity: 0.85;
}
.nav-burger {
  display: none;
  width: 40px; height: 40px;
  border: 1px solid currentColor;
  background: transparent;
  border-radius: 999px;
  position: relative;
  color: inherit;
}
.nav-burger span {
  position: absolute; left: 10px; right: 10px; height: 1.5px; background: currentColor;
}
.nav-burger span:nth-child(1) { top: 14px; }
.nav-burger span:nth-child(2) { top: 19px; }
.nav-burger span:nth-child(3) { top: 24px; }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: 100vh;
  color: #fff;
  display: flex; flex-direction: column;
  padding: 140px var(--gutter) 56px;
  overflow: hidden;
}
.hero-bg {
  position: absolute; inset: 0;
  background:
    linear-gradient(180deg, rgba(20,22,18,0.45) 0%, rgba(20,22,18,0.15) 30%, rgba(20,22,18,0.7) 100%),
    var(--hero-gradient);
  z-index: 0;
}
.hero-bg::after {
  /* Stylized "London terrace" placeholder using gradients */
  content: "";
  position: absolute; inset: 0;
  background-image: var(--hero-pattern);
  background-size: cover;
  background-position: center;
  z-index: -1;
  opacity: 0.85;
  filter: saturate(0.7) contrast(1.05);
}
.hero-inner {
  position: relative; z-index: 2;
  max-width: var(--container);
  width: 100%;
  margin: auto auto 0;
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  align-items: end;
  gap: 64px;
}
.hero-meta {
  display: flex;
  align-items: center;
  gap: 16px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  margin-bottom: 24px;
  opacity: 0.85;
}
.hero-meta .dot { width: 4px; height: 4px; background: currentColor; border-radius: 50%; opacity: 0.6; }
.hero h1 {
  font-family: var(--display);
  font-weight: 300;
  font-size: clamp(48px, 7.5vw, 112px);
  line-height: 0.95;
  letter-spacing: -0.03em;
  margin: 0;
  font-variation-settings: "SOFT" 30, "WONK" 0;
}
.hero h1 em {
  font-style: italic;
  font-weight: 300;
  font-variation-settings: "SOFT" 100;
}
.hero-card {
  background: rgba(246,242,236,0.96);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  color: var(--ink);
  padding: 28px;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  display: flex; flex-direction: column; gap: 18px;
  border: 1px solid rgba(255,255,255,0.4);
}
.hero-card p {
  font-family: var(--display);
  font-weight: 350;
  font-size: 18px;
  line-height: 1.4;
  margin: 0;
}
.hero-card .row { display: flex; gap: 8px; flex-wrap: wrap; }
.hero-bullets {
  list-style: none; padding: 0; margin: 0;
  display: grid; gap: 10px;
  font-size: 13px;
}
.hero-bullets li {
  display: flex; align-items: center; gap: 10px;
  font-family: var(--mono);
  letter-spacing: 0.04em;
  color: var(--muted);
  padding-top: 10px;
  border-top: 1px solid var(--line);
}
.hero-bullets li::before {
  content: ""; width: 14px; height: 1px; background: var(--accent);
}
.hero-foot {
  position: relative; z-index: 2;
  margin-top: 56px;
  padding-top: 24px;
  border-top: 1px solid rgba(255,255,255,0.25);
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 32px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.85);
}
.hero-foot strong {
  display: block;
  font-family: var(--display);
  font-weight: 350;
  font-size: 28px;
  letter-spacing: -0.01em;
  text-transform: none;
  color: #fff;
  margin-bottom: 4px;
  font-style: italic;
}

/* Pattern: stylized London terrace facade with sash windows */
.hero {
  --hero-pattern:
    radial-gradient(ellipse at 50% 100%, rgba(60,40,30,0.6) 0%, transparent 70%),
    linear-gradient(180deg, #c4b09b 0%, #a08b78 35%, #6e5a48 70%, #3e3025 100%);
  --hero-gradient: linear-gradient(180deg, rgba(0,0,0,0.0) 0%, rgba(0,0,0,0.0) 100%);
}

.hero-facade {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
}

/* ---------- Intro strip ---------- */
.intro {
  background: var(--paper);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.intro-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 80px;
  align-items: start;
}
.intro-grid h3 {
  font-family: var(--display);
  font-weight: 350;
  font-size: clamp(28px, 3.5vw, 44px);
  line-height: 1.05;
  letter-spacing: -0.02em;
  margin: 0;
}
.intro-grid h3 em { font-style: italic; color: var(--accent); }
.intro-rt p {
  font-size: 17px;
  line-height: 1.65;
  color: var(--ink-2);
  margin: 0 0 24px;
}
.intro-rt .small {
  display: flex; gap: 24px; flex-wrap: wrap;
  margin-top: 32px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
}

/* ---------- Marquee ribbon ---------- */
.ribbon {
  background: var(--ink);
  color: var(--bg);
  padding: 18px 0;
  overflow: hidden;
  border-top: 1px solid var(--ink);
  border-bottom: 1px solid var(--ink);
}
.ribbon-track {
  display: flex;
  gap: 56px;
  animation: marquee 40s linear infinite;
  white-space: nowrap;
  font-family: var(--display);
  font-size: 24px;
  font-weight: 300;
  letter-spacing: -0.01em;
  font-style: italic;
}
.ribbon-track span { display: inline-flex; align-items: center; gap: 56px; }
.ribbon-track span::after {
  content: "✦";
  font-size: 14px;
  font-style: normal;
  color: var(--accent);
  margin-left: 56px;
}
@keyframes marquee {
  to { transform: translateX(-50%); }
}

/* ---------- Stats ---------- */
.stats-section { background: var(--bg); }
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.stat {
  padding: 48px 32px;
  border-right: 1px solid var(--line);
  display: flex; flex-direction: column; gap: 8px;
  position: relative;
  transition: background .3s ease;
}
.stat:hover { background: var(--paper); }
.stat:last-child { border-right: none; }
.stat-num {
  font-family: var(--display);
  font-weight: 300;
  font-size: clamp(48px, 6vw, 84px);
  line-height: 0.95;
  letter-spacing: -0.03em;
  color: var(--ink);
}
.stat-num em { font-style: italic; color: var(--accent); }
.stat-label {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
  margin-top: 12px;
}
.stat-desc {
  font-size: 14px;
  color: var(--ink-2);
  line-height: 1.45;
  margin-top: 4px;
}

/* ---------- Window styles tabs ---------- */
.styles-section { background: var(--paper); border-top: 1px solid var(--line); }
.styles-tabs {
  display: flex;
  gap: 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  margin-bottom: 56px;
}
.styles-tab {
  flex: 1;
  background: transparent;
  border: none;
  border-right: 1px solid var(--line);
  padding: 24px 24px;
  text-align: left;
  font-family: var(--display);
  font-weight: 350;
  font-size: 22px;
  color: var(--muted);
  letter-spacing: -0.01em;
  cursor: pointer;
  position: relative;
  transition: all .3s ease;
}
.styles-tab:last-child { border-right: none; }
.styles-tab .num {
  display: block;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  font-weight: 500;
  color: var(--muted);
  margin-bottom: 8px;
}
.styles-tab[aria-selected="true"] {
  color: var(--ink);
  background: var(--bg);
}
.styles-tab[aria-selected="true"]::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -1px; height: 2px; background: var(--accent);
}
.styles-tab:hover { color: var(--ink); }

.style-panel { display: none; }
.style-panel.is-active { display: grid; }
.style-panel {
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.style-illus {
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  aspect-ratio: 4/5;
  padding: 48px;
  position: relative;
  overflow: hidden;
}
.style-illus::before {
  content: ""; position: absolute; inset: 0;
  background-image:
    repeating-linear-gradient(0deg, transparent 0, transparent 39px, rgba(27,31,26,0.04) 39px, rgba(27,31,26,0.04) 40px),
    repeating-linear-gradient(90deg, transparent 0, transparent 39px, rgba(27,31,26,0.04) 39px, rgba(27,31,26,0.04) 40px);
}
.style-illus svg { width: 100%; height: 100%; position: relative; z-index: 1; }
.style-illus .badge {
  position: absolute; top: 20px; left: 20px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
  z-index: 2;
}
.style-illus .badge-r {
  position: absolute; top: 20px; right: 20px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
  z-index: 2;
}
.style-content h3 {
  font-family: var(--display);
  font-weight: 350;
  font-size: clamp(32px, 4vw, 52px);
  line-height: 1.0;
  letter-spacing: -0.025em;
  margin: 0 0 24px;
}
.style-content h3 em { font-style: italic; color: var(--accent); }
.style-content p {
  font-size: 17px;
  line-height: 1.6;
  color: var(--ink-2);
  margin: 0 0 28px;
}
.style-specs {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px 32px;
  padding: 24px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  margin-bottom: 32px;
}
.spec-k {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 4px;
}
.spec-v {
  font-family: var(--display);
  font-size: 20px;
  font-weight: 350;
  letter-spacing: -0.01em;
}

/* ---------- Advantages ---------- */
.adv-section { background: var(--bg); }
.adv-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.adv-grid--4,
.page-service-index .adv-grid {
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
}
.adv-card {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 32px;
  display: flex; flex-direction: column; gap: 20px;
  min-height: 360px;
  transition: all .35s ease;
}
.adv-card:hover {
  background: var(--ink);
  color: var(--bg);
  border-color: var(--ink);
  transform: translateY(-2px);
}
.adv-card:hover .adv-num { color: var(--accent-soft); }
.adv-card:hover .adv-glyph { background: rgba(255,255,255,0.08); border-color: rgba(255,255,255,0.2); }
.adv-num {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
}
.adv-glyph {
  width: 64px; height: 64px;
  display: grid; place-items: center;
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 50%;
  margin-top: auto;
  transition: all .3s ease;
}
.adv-glyph svg { width: 28px; height: 28px; }
.adv-card h4 {
  font-family: var(--display);
  font-weight: 350;
  font-size: 28px;
  line-height: 1.05;
  letter-spacing: -0.02em;
  margin: 12px 0 0;
}
.adv-card p {
  font-size: 15px;
  line-height: 1.55;
  margin: 0;
  opacity: 0.82;
}

/* ---------- Process ---------- */
.process-section { background: var(--ink); color: var(--bg); }
.process-section .eyebrow { color: var(--accent-soft); }
.process-section .section-head h2 { color: #fff; }
.process-section .head-rt { color: rgba(255,255,255,0.7); }
.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  border-top: 1px solid rgba(255,255,255,0.18);
}
.proc {
  padding: 32px 24px 32px 0;
  border-right: 1px solid rgba(255,255,255,0.15);
  position: relative;
  display: flex; flex-direction: column; gap: 16px;
  min-height: 280px;
}
.proc:last-child { border-right: none; padding-right: 0; }
.proc:not(:first-child) { padding-left: 24px; }
.proc-num {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--accent-soft);
}
.proc h4 {
  font-family: var(--display);
  font-weight: 350;
  font-size: 28px;
  line-height: 1.05;
  letter-spacing: -0.02em;
  margin: 0;
}
.proc h4 em { font-style: italic; color: var(--accent-soft); }
.proc p { font-size: 14px; line-height: 1.5; color: rgba(255,255,255,0.7); margin: 0; }
.proc-time {
  margin-top: auto;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.5);
  display: flex; align-items: center; gap: 8px;
}
.proc-time::before { content: ""; width: 6px; height: 6px; background: var(--accent); border-radius: 50%; }

/* ---------- Before/After ---------- */
.ba-section { background: var(--paper); border-top: 1px solid var(--line); }
.ba-stage {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--line);
  user-select: none;
  background: var(--bg-2);
  cursor: ew-resize;
}
.ba-img {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
}
.ba-after {
  clip-path: inset(0 0 0 var(--ba-pos, 50%));
}
.ba-handle {
  position: absolute; top: 0; bottom: 0;
  left: var(--ba-pos, 50%);
  width: 2px; background: #fff;
  transform: translateX(-1px);
  pointer-events: none;
  box-shadow: 0 0 0 1px rgba(0,0,0,0.15);
}
.ba-handle::before {
  content: "";
  position: absolute; top: 50%; left: 50%;
  width: 48px; height: 48px;
  transform: translate(-50%, -50%);
  background: #fff;
  border-radius: 50%;
  box-shadow: var(--shadow-md);
}
.ba-handle::after {
  content: "";
  position: absolute; top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 16px; height: 16px;
  background-image:
    linear-gradient(90deg, transparent 0 5px, var(--ink) 5px 6px, transparent 6px 10px, var(--ink) 10px 11px, transparent 11px);
}
.ba-tag {
  position: absolute;
  top: 24px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: #fff;
  background: rgba(20,22,18,0.65);
  backdrop-filter: blur(8px);
  padding: 8px 14px;
  border-radius: 999px;
  pointer-events: none;
}
.ba-tag.l { left: 24px; }
.ba-tag.r { right: 24px; }
.ba-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 32px;
}
.ba-thumb {
  aspect-ratio: 4/3;
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  position: relative;
  overflow: hidden;
  cursor: pointer;
  transition: transform .25s ease;
}
.ba-thumb:hover { transform: translateY(-2px); }
.ba-thumb[aria-selected="true"] { outline: 2px solid var(--accent); outline-offset: 2px; }
.ba-thumb-tag {
  position: absolute; bottom: 8px; left: 8px;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #fff;
  background: rgba(20,22,18,0.7);
  padding: 4px 8px;
  border-radius: 4px;
}

/* ---------- Testimonials ---------- */
.test-section { background: var(--bg); }
.test-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.test {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 32px;
  display: flex; flex-direction: column; gap: 24px;
  min-height: 320px;
  position: relative;
}
.test::before {
  content: "“";
  position: absolute;
  top: 18px; right: 28px;
  font-family: var(--display);
  font-size: 80px;
  line-height: 1;
  color: var(--accent);
  opacity: 0.5;
}
.test-stars {
  display: flex; gap: 4px;
}
.test-stars svg { width: 14px; height: 14px; color: var(--accent); }
.test-q {
  font-family: var(--display);
  font-size: 20px;
  font-weight: 350;
  line-height: 1.4;
  letter-spacing: -0.01em;
  margin: 0;
}
.test-by {
  margin-top: auto;
  display: flex; align-items: center; gap: 12px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
}
.test-av {
  width: 40px; height: 40px;
  border-radius: 50%;
  background: var(--bg-2);
  border: 1px solid var(--line);
  display: grid; place-items: center;
  font-family: var(--display);
  font-size: 16px;
  color: var(--ink);
}
.test-by .who { font-size: 14px; font-weight: 500; }
.test-by .role { font-size: 12px; color: var(--muted); font-family: var(--mono); letter-spacing: 0.04em; }

/* ---------- Form ---------- */
.form-section { background: var(--ink); color: var(--bg); border-top: 1px solid var(--ink); }
.form-section .eyebrow { color: var(--accent-soft); }
.form-section .section-head h2 { color: #fff; }
.form-section .section-head h2 em { color: var(--accent-soft); }
.form-section .head-rt { color: rgba(255,255,255,0.7); }

.form-wrap {
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: 80px;
  align-items: start;
}
.form-aside {
  display: flex; flex-direction: column; gap: 28px;
}
.form-aside .item {
  padding: 20px 0;
  border-top: 1px solid rgba(255,255,255,0.15);
  display: grid; grid-template-columns: 32px 1fr; gap: 16px; align-items: start;
}
.form-aside .item:last-child { border-bottom: 1px solid rgba(255,255,255,0.15); }
.form-aside .item .k {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent-soft);
}
.form-aside .item .v {
  font-family: var(--display);
  font-size: 22px;
  font-weight: 350;
  line-height: 1.2;
  margin-top: 4px;
}
.form-aside .item .num {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--accent-soft);
  letter-spacing: 0.16em;
}

form.quote {
  background: var(--bg);
  color: var(--ink);
  border-radius: var(--radius-lg);
  padding: 36px;
  display: grid;
  gap: 20px;
}
.field { display: flex; flex-direction: column; gap: 6px; }
.field label {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
}
.field input, .field select, .field textarea {
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--line-2);
  padding: 10px 0 12px;
  font-family: var(--sans);
  font-size: 16px;
  color: var(--ink);
  outline: none;
  border-radius: 0;
  resize: vertical;
  transition: border-color .25s;
}
.field input:focus, .field select:focus, .field textarea:focus {
  border-color: var(--accent);
}
.field textarea { min-height: 90px; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.chip-group { display: flex; gap: 8px; flex-wrap: wrap; }
.chip {
  display: inline-flex;
  align-items: center;
  padding: 8px 16px;
  border: 1px solid var(--line-2);
  border-radius: 999px;
  font-size: 13px;
  cursor: pointer;
  transition: all .2s ease;
  background: transparent;
  color: var(--ink);
  font-family: var(--sans);
  font-weight: 500;
}
.chip:hover { border-color: var(--ink); }
.chip[aria-pressed="true"] {
  background: var(--ink);
  color: var(--bg);
  border-color: var(--ink);
}
.terms { display: flex; align-items: center; gap: 10px; font-size: 13px; color: var(--muted); }
.terms input { accent-color: var(--accent); }
.form-foot { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin-top: 12px; }
.form-foot .meta {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
}

/* ---------- FAQ ---------- */
.faq-section { background: var(--paper); border-top: 1px solid var(--line); }
.faq-list {
  border-top: 1px solid var(--line);
}
.faq-item {
  border-bottom: 1px solid var(--line);
}
.faq-q {
  width: 100%;
  display: grid; grid-template-columns: 60px 1fr 40px;
  align-items: center;
  gap: 24px;
  padding: 28px 0;
  background: transparent;
  border: none;
  text-align: left;
  font-family: var(--display);
  font-weight: 350;
  font-size: clamp(20px, 2vw, 26px);
  letter-spacing: -0.01em;
  color: var(--ink);
  cursor: pointer;
  transition: color .2s;
}
.faq-q:hover { color: var(--accent); }
.faq-q .n {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--muted);
  font-weight: 500;
}
.faq-q .ic {
  width: 32px; height: 32px;
  border-radius: 50%;
  border: 1px solid var(--line-2);
  position: relative;
  justify-self: end;
  transition: all .25s;
}
.faq-q .ic::before, .faq-q .ic::after {
  content: ""; position: absolute; left: 50%; top: 50%;
  background: currentColor;
  transition: transform .3s;
}
.faq-q .ic::before { width: 12px; height: 1px; transform: translate(-50%, -50%); }
.faq-q .ic::after { width: 1px; height: 12px; transform: translate(-50%, -50%); }
.faq-item.open .faq-q .ic { background: var(--ink); color: var(--bg); border-color: var(--ink); }
.faq-item.open .faq-q .ic::after { transform: translate(-50%, -50%) rotate(90deg); opacity: 0; }
.faq-a {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows .35s ease;
}
.faq-a-inner {
  overflow: hidden;
}
.faq-item.open .faq-a { grid-template-rows: 1fr; }
.faq-a-inner > div {
  padding: 0 0 32px 84px;
  font-size: 16px;
  line-height: 1.6;
  color: var(--ink-2);
  max-width: 760px;
}

.faq-foot {
  margin-top: 56px;
  padding: 32px;
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  display: flex; align-items: center; justify-content: space-between;
  gap: 24px;
}
.faq-foot p {
  font-family: var(--display);
  font-size: 24px;
  font-weight: 350;
  letter-spacing: -0.01em;
  margin: 0;
}
.faq-foot p em { font-style: italic; color: var(--accent); }

/* ---------- Team ---------- */
.team-section { background: var(--bg); }
.team-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.team-card {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 24px;
  display: flex; flex-direction: column; gap: 20px;
  transition: transform .3s ease;
}
.team-card:hover { transform: translateY(-2px); }
.team-portrait {
  aspect-ratio: 4/5;
  background: var(--bg-2);
  border-radius: var(--radius);
  position: relative;
  overflow: hidden;
  background-image:
    repeating-linear-gradient(135deg, transparent 0 8px, rgba(27,31,26,0.04) 8px 9px);
}
.team-portrait::before {
  content: "";
  position: absolute; inset: 20% 24% 0;
  background: var(--bg);
  border-radius: 50% 50% 0 0;
  border: 1px solid var(--line);
}
.team-portrait::after {
  content: "";
  position: absolute; left: 30%; right: 30%; top: 28%;
  height: 28%;
  background: var(--bg);
  border-radius: 50%;
  border: 1px solid var(--line);
}
.team-meta { display: flex; flex-direction: column; gap: 6px; }
.team-name {
  font-family: var(--display);
  font-weight: 350;
  font-size: 24px;
  letter-spacing: -0.01em;
  margin: 0;
}
.team-role {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
}
.team-bio { font-size: 14px; line-height: 1.55; color: var(--ink-2); margin: 0; }
.team-foot {
  display: flex; align-items: center; justify-content: space-between;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  padding-top: 12px;
  border-top: 1px solid var(--line);
}

/* ---------- Contact CTA ---------- */
.cta-section { background: var(--paper); border-top: 1px solid var(--line); }
.cta-wrap {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 80px;
  align-items: center;
}
.cta-wrap h2 {
  font-family: var(--display);
  font-weight: 300;
  font-size: clamp(40px, 6vw, 88px);
  line-height: 0.95;
  letter-spacing: -0.03em;
  margin: 0 0 24px;
}
.cta-wrap h2 em { font-style: italic; color: var(--accent); }
.cta-wrap p {
  font-size: 18px;
  line-height: 1.5;
  color: var(--ink-2);
  max-width: 480px;
  margin: 0 0 32px;
}
.cta-wrap .actions { display: flex; gap: 12px; flex-wrap: wrap; }
.cta-info {
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 32px;
  display: flex; flex-direction: column; gap: 20px;
}
.cta-info .row { display: flex; flex-direction: column; gap: 6px; padding: 12px 0; border-top: 1px solid var(--line); }
.cta-info .row:first-child { border-top: none; padding-top: 0; }
.cta-info .row .k {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
}
.cta-info .row .v {
  font-family: var(--display);
  font-size: 22px;
  font-weight: 350;
  letter-spacing: -0.01em;
}

/* ---------- Footer ---------- */
.footer {
  background: var(--ink);
  color: var(--bg);
  padding: 80px var(--gutter) 32px;
}
.footer-inner { max-width: var(--container); margin: 0 auto; }
.footer-top {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 64px;
  padding-bottom: 56px;
  border-bottom: 1px solid rgba(255,255,255,0.18);
}
.footer-brand h3 {
  font-family: var(--display);
  font-weight: 300;
  font-size: 44px;
  line-height: 0.95;
  letter-spacing: -0.025em;
  margin: 24px 0 16px;
}
.footer-brand h3 em { font-style: italic; color: var(--accent-soft); }
.footer-brand p { color: rgba(255,255,255,0.65); font-size: 14px; line-height: 1.5; max-width: 320px; }
.footer-col h5 {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent-soft);
  margin: 0 0 16px;
  font-weight: 500;
}
.footer-col ul { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 10px; }
.footer-col a { font-size: 14px; color: rgba(255,255,255,0.85); transition: color .2s; }
.footer-col a:hover { color: var(--accent-soft); }
.footer-bot {
  padding-top: 24px;
  display: flex; align-items: center; justify-content: space-between;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.55);
  flex-wrap: wrap;
  gap: 16px;
}

/* ---------- Scroll progress ---------- */
.progress {
  position: fixed;
  top: 0; left: 0;
  height: 2px;
  background: var(--accent);
  z-index: 100;
  transition: width .15s;
  width: 0;
}

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  :root { --gutter: 32px; }
  .hero-inner { grid-template-columns: 1fr; gap: 32px; }
  .hero-foot { grid-template-columns: repeat(2, 1fr); gap: 20px; }
  .intro-grid, .style-panel.is-active, .cta-wrap, .form-wrap { grid-template-columns: 1fr; gap: 40px; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .stat:nth-child(2) { border-right: none; }
  .stat:nth-child(1), .stat:nth-child(2) { border-bottom: 1px solid var(--line); }
  .adv-grid, .test-grid, .team-grid { grid-template-columns: 1fr; }
  .process-grid { grid-template-columns: repeat(2, 1fr); }
  .proc:nth-child(2) { border-right: none; }
  .proc:nth-child(1), .proc:nth-child(2) { border-bottom: 1px solid rgba(255,255,255,0.15); padding-bottom: 32px; }
  .proc:nth-child(3), .proc:nth-child(4) { padding-top: 32px; }
  .footer-top { grid-template-columns: 1fr 1fr; gap: 40px; }
  .section-head { grid-template-columns: 1fr; gap: 24px; }
  .section-head .head-rt { justify-self: start; }
}
@media (max-width: 720px) {
  :root { --gutter: 20px; }
  .nav-links, .nav-phone { display: none; }
  .nav-burger { display: grid; place-items: center; }
  .hero { padding-top: 100px; min-height: auto; padding-bottom: 40px; }
  .hero-foot { grid-template-columns: repeat(3, 1fr); gap: 20px; }
  .styles-tabs { overflow-x: auto; }
  .styles-tab { min-width: 200px; flex: 0 0 auto; }
  .field-row { grid-template-columns: 1fr; gap: 20px; }
  .footer-top { grid-template-columns: 1fr; }
  .faq-q { grid-template-columns: 36px 1fr 32px; gap: 16px; }
  .faq-a-inner > div { padding-left: 52px; }
  .faq-foot { flex-direction: column; align-items: flex-start; }
  .ribbon-track { font-size: 18px; gap: 32px; }
  .ribbon-track span::after { margin-left: 32px; }
  form.quote { padding: 24px; }
  .stats-grid { grid-template-columns: 1fr; }
  .stat { border-right: none; border-bottom: 1px solid var(--line); }
  .stat:last-child { border-bottom: none; }
  .process-grid { grid-template-columns: 1fr; }
  .proc { border-right: none; border-bottom: 1px solid rgba(255,255,255,0.15); padding: 24px 0; }
  .proc:last-child { border-bottom: none; }
}

/* ---------- Reveal on scroll ---------- */
.reveal { opacity: 0; transform: translateY(20px); transition: opacity .8s ease, transform .8s ease; }
.reveal.is-visible { opacity: 1; transform: translateY(0); }