/* Trendmasters Marketing — Design System */
:root {
  --bg: #0E0E0C;
  --bg-2: #15140F;
  --fg: #F2EFE6;
  --fg-dim: #A8A498;
  --fg-faint: #5C5A52;
  --line: #2A2823;
  --accent: oklch(0.86 0.18 120);
  --accent-ink: #0E0E0C;
  --serif: "Instrument Serif", "Times New Roman", serif;
  --display: "Bricolage Grotesque", "Helvetica Neue", Helvetica, Arial, sans-serif;
  --sans: "Inter", "Helvetica Neue", Helvetica, Arial, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
}

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

.container {
  width: 100%;
  max-width: 1440px;
  margin: 0 auto;
  padding: 0 48px;
}
@media (max-width: 720px) { .container { padding: 0 24px; } }

.eyebrow {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--fg-dim);
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.eyebrow::before {
  content: "";
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 14px var(--accent);
}

.display {
  font-family: var(--display);
  font-weight: 500;
  letter-spacing: -0.035em;
  line-height: 0.92;
  font-variation-settings: "wdth" 100;
}

.italic-serif {
  font-family: var(--serif);
  font-style: italic;
  font-weight: 400;
  letter-spacing: -0.01em;
}

/* NAV */
.nav {
  position: fixed; inset: 0 0 auto 0;
  z-index: 50;
  padding: 18px 0;
  backdrop-filter: blur(14px);
  background: color-mix(in oklab, var(--bg) 70%, transparent);
  border-bottom: 1px solid transparent;
  transition: border-color .3s ease, background .3s ease;
}
.nav.scrolled { border-color: var(--line); background: color-mix(in oklab, var(--bg) 88%, transparent); }
.nav-inner {
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px;
}
.logo {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--display); font-weight: 600;
  font-size: 18px; letter-spacing: -0.02em;
}
.logo-mark {
  width: 26px; height: 26px;
  border-radius: 7px;
  background: var(--accent);
  color: var(--accent-ink);
  display: grid; place-items: center;
  font-family: var(--display); font-weight: 700;
  font-size: 15px;
}
.nav-links { display: flex; gap: 28px; align-items: center; }
.nav-links a {
  font-size: 14px; color: var(--fg-dim);
  transition: color .2s ease;
}
.nav-links a:hover { color: var(--fg); }

/* Burger button (mobile only) */
.nav-burger {
  display: none;
  width: 40px; height: 40px;
  border-radius: 999px;
  border: 1px solid var(--line);
  flex-direction: column;
  align-items: center; justify-content: center;
  gap: 5px;
  background: transparent;
  position: relative;
}
.nav-burger span {
  display: block;
  width: 16px; height: 1.5px;
  background: var(--fg);
  border-radius: 2px;
  transition: transform .3s ease, opacity .2s ease;
}
.nav-burger.open span:nth-child(1) { transform: translateY(3.25px) rotate(45deg); }
.nav-burger.open span:nth-child(2) { transform: translateY(-3.25px) rotate(-45deg); }

/* Mobile slide-down menu */
.nav-mobile {
  position: fixed; inset: 0;
  z-index: 49;
  background: var(--bg);
  padding: 96px 24px 32px;
  display: flex; flex-direction: column;
  opacity: 0;
  pointer-events: none;
  transition: opacity .25s ease;
}
.nav-mobile.open { opacity: 1; pointer-events: auto; }
.nav-mobile-inner {
  display: flex; flex-direction: column;
  gap: 0;
  height: 100%;
}
.nav-mobile a:not(.btn) {
  font-family: var(--display);
  font-size: 36px;
  font-weight: 500;
  letter-spacing: -0.025em;
  color: var(--fg);
  padding: 20px 0;
  border-bottom: 1px solid var(--line);
  display: flex; justify-content: space-between; align-items: center;
}
.nav-mobile a:not(.btn).active { color: var(--accent); }
.nav-mobile a:not(.btn)::after {
  content: "→";
  font-family: var(--sans);
  font-size: 20px;
  color: var(--fg-faint);
}
.nav-mobile-cta {
  margin-top: 32px;
  align-self: flex-start;
  font-size: 16px;
  padding: 14px 22px;
}
.nav-mobile-foot {
  margin-top: auto;
  display: flex; flex-direction: column;
  gap: 6px;
  font-size: 13px;
  color: var(--fg-faint);
  padding-top: 32px;
  border-top: 1px solid var(--line);
}
.nav-mobile-foot a {
  font-size: 14px !important;
  font-family: var(--sans) !important;
  padding: 0 !important;
  border: 0 !important;
  color: var(--fg) !important;
}
.nav-mobile-foot a::after { content: none !important; }

@media (max-width: 820px) {
  .nav-desktop { display: none !important; }
  .nav-burger { display: flex; }
}

.btn {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 12px 18px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 500;
  transition: transform .2s ease, background .2s ease, color .2s ease, border-color .2s ease;
  white-space: nowrap;
}
.btn-primary {
  background: var(--accent);
  color: var(--accent-ink);
}
.btn-primary:hover { transform: translateY(-1px); }
.btn-ghost {
  border: 1px solid var(--line);
  color: var(--fg);
}
.btn-ghost:hover { border-color: var(--fg-dim); }
.btn .arrow {
  width: 16px; height: 16px;
  transition: transform .2s ease;
}
.btn:hover .arrow { transform: translate(2px, -2px); }

/* HERO */
.hero {
  padding: 180px 0 80px;
  position: relative;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 56px;
}
.hero h1 {
  margin: 0;
  font-size: clamp(56px, 10vw, 168px);
}
.hero h1 .accent-word {
  color: var(--accent);
}
.hero-sub {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 48px;
  align-items: end;
}
@media (max-width: 820px) { .hero-sub { grid-template-columns: 1fr; gap: 32px; } }
.hero-lede {
  font-size: 20px;
  line-height: 1.45;
  max-width: 560px;
  color: var(--fg);
}
.hero-meta {
  display: flex; flex-direction: column; gap: 14px;
}
.hero-cta-row { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 8px; }

/* Service pill marquee */
.marquee {
  margin-top: 72px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 18px 0;
  overflow: hidden;
  mask-image: linear-gradient(to right, transparent, #000 8%, #000 92%, transparent);
}
.marquee-track {
  display: flex;
  gap: 56px;
  width: max-content;
  animation: marquee 38s linear infinite;
  font-family: var(--display);
  font-size: 28px;
  letter-spacing: -0.02em;
  color: var(--fg);
}
.marquee-item { display: inline-flex; align-items: center; gap: 56px; }
.marquee-item::after {
  content: "";
  width: 10px; height: 10px;
  background: var(--accent);
  border-radius: 50%;
}
@keyframes marquee {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

/* SECTION */
.section {
  padding: 120px 0;
  border-top: 1px solid var(--line);
}
.section-head {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 64px;
  margin-bottom: 72px;
  align-items: end;
}
@media (max-width: 820px) { .section-head { grid-template-columns: 1fr; gap: 24px; } }
.section-title {
  margin: 14px 0 0;
  font-size: clamp(40px, 6vw, 84px);
}
.section-lede {
  font-size: 18px;
  color: var(--fg-dim);
  max-width: 520px;
  line-height: 1.55;
}

/* SERVICES */
.services {
  display: grid;
  grid-template-columns: 1fr 1fr;
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}
@media (max-width: 820px) { .services { grid-template-columns: 1fr; } }
.service {
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 40px 36px 36px;
  display: flex; flex-direction: column;
  gap: 18px;
  position: relative;
  cursor: pointer;
  background: transparent;
  transition: background .25s ease;
  min-height: 280px;
}
.service:hover { background: var(--bg-2); }
.service:hover .service-arrow { opacity: 1; transform: translate(0,0); }
.service-num {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--fg-faint);
}
.service-title {
  font-family: var(--display);
  font-size: 36px;
  font-weight: 500;
  letter-spacing: -0.025em;
  line-height: 1;
  margin: 0;
}
.service-desc {
  color: var(--fg-dim);
  font-size: 15px;
  line-height: 1.55;
  max-width: 420px;
}
.service-tags {
  margin-top: auto;
  display: flex; flex-wrap: wrap; gap: 8px;
}
.tag {
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 5px 9px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--fg-dim);
}
.service-arrow {
  position: absolute; top: 36px; right: 36px;
  width: 20px; height: 20px;
  color: var(--accent);
  opacity: 0;
  transform: translate(-6px, 6px);
  transition: opacity .25s ease, transform .25s ease;
}

/* PROCESS */
.process {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
}
@media (max-width: 980px) { .process { grid-template-columns: 1fr 1fr; } }
@media (max-width: 540px) { .process { grid-template-columns: 1fr; } }
.step {
  padding: 36px 28px 32px 0;
  border-top: 1px solid var(--line);
  position: relative;
}
.step-num {
  font-family: var(--display);
  font-size: 64px;
  font-weight: 500;
  letter-spacing: -0.03em;
  line-height: 1;
  color: var(--accent);
  margin-bottom: 24px;
}
.step h3 {
  margin: 0 0 10px;
  font-family: var(--display);
  font-size: 22px;
  font-weight: 500;
  letter-spacing: -0.02em;
}
.step p { margin: 0; color: var(--fg-dim); font-size: 14.5px; line-height: 1.55; }

/* PRINCIPLES */
.principles {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 0;
}
@media (max-width: 820px) { .principles { grid-template-columns: 1fr; } }
.principle {
  padding: 40px 36px;
  border-left: 1px solid var(--line);
  display: flex; flex-direction: column; gap: 12px;
}
.principle:first-child { border-left: 0; padding-left: 0; }
@media (max-width: 820px) {
  .principle { border-left: 0; border-top: 1px solid var(--line); padding: 32px 0; }
  .principle:first-child { border-top: 0; padding-top: 0; }
}
.principle .icon {
  width: 36px; height: 36px;
  display: grid; place-items: center;
  border-radius: 50%;
  color: var(--accent);
  background: color-mix(in oklab, var(--accent) 14%, transparent);
  margin-bottom: 14px;
}
.principle h3 {
  font-family: var(--display);
  font-size: 26px;
  font-weight: 500;
  letter-spacing: -0.02em;
  margin: 0;
  line-height: 1.05;
}
.principle p { margin: 0; color: var(--fg-dim); font-size: 15px; }

/* STACK / TOOLS */
.stack {
  display: flex; flex-wrap: wrap; gap: 10px;
}
.stack-item {
  padding: 10px 16px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 14px;
  color: var(--fg-dim);
  font-family: var(--mono);
  letter-spacing: 0.02em;
  transition: border-color .2s ease, color .2s ease;
}
.stack-item:hover { border-color: var(--accent); color: var(--fg); }

/* FAQ */
.faq {
  display: flex; flex-direction: column;
}
.faq-item {
  border-top: 1px solid var(--line);
  padding: 28px 0;
  cursor: pointer;
}
.faq-item:last-child { border-bottom: 1px solid var(--line); }
.faq-q {
  display: flex; justify-content: space-between; align-items: center;
  gap: 32px;
}
.faq-q-text {
  font-family: var(--display);
  font-size: clamp(20px, 2.4vw, 28px);
  font-weight: 500;
  letter-spacing: -0.02em;
  line-height: 1.15;
}
.faq-toggle {
  flex-shrink: 0;
  width: 36px; height: 36px;
  border-radius: 50%;
  border: 1px solid var(--line);
  display: grid; place-items: center;
  transition: background .2s ease, border-color .2s ease, color .2s ease;
}
.faq-item.open .faq-toggle { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.faq-item.open .faq-toggle svg { transform: rotate(45deg); }
.faq-toggle svg { transition: transform .25s ease; width: 14px; height: 14px; }
.faq-a {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows .35s ease, margin-top .35s ease;
}
.faq-a > div { overflow: hidden; }
.faq-item.open .faq-a {
  grid-template-rows: 1fr;
  margin-top: 18px;
}
.faq-a p {
  margin: 0;
  color: var(--fg-dim);
  font-size: 16px;
  max-width: 720px;
  line-height: 1.6;
}

/* CONTACT */
.contact {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 64px;
  align-items: start;
}
@media (max-width: 980px) { .contact { grid-template-columns: 1fr; } }
.contact h2 { margin: 16px 0 24px; font-size: clamp(48px, 7vw, 96px); }
.contact-lede { color: var(--fg-dim); font-size: 18px; max-width: 480px; }
.contact-meta {
  margin-top: 40px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}
.contact-meta div { font-size: 14px; }
.contact-meta .label {
  font-family: var(--mono); font-size: 11px; letter-spacing: 0.12em;
  text-transform: uppercase; color: var(--fg-faint); margin-bottom: 6px;
}
.contact-meta a:hover { color: var(--accent); }

.form {
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 32px;
  display: flex; flex-direction: column; gap: 18px;
}
.field { display: flex; flex-direction: column; gap: 8px; }
.field label {
  font-family: var(--mono); font-size: 11px; letter-spacing: 0.12em;
  text-transform: uppercase; color: var(--fg-faint);
}
.field input, .field textarea, .field select {
  background: transparent;
  border: 0;
  border-bottom: 1px solid var(--line);
  color: var(--fg);
  font: inherit;
  font-size: 16px;
  padding: 8px 0;
  outline: none;
  transition: border-color .2s ease;
  font-family: var(--sans);
}
.field input:focus, .field textarea:focus, .field select:focus { border-color: var(--accent); }
.field textarea { resize: vertical; min-height: 90px; }
.field select option { background: var(--bg-2); color: var(--fg); }
.budget-pills { display: flex; flex-wrap: wrap; gap: 8px; }
.budget-pill {
  padding: 8px 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 13px;
  font-family: var(--mono);
  color: var(--fg-dim);
  cursor: pointer;
  transition: all .2s ease;
}
.budget-pill.active { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.form button[type="submit"] {
  margin-top: 8px;
  align-self: flex-start;
}
.form-success {
  padding: 14px 16px;
  border-radius: 12px;
  background: color-mix(in oklab, var(--accent) 16%, transparent);
  border: 1px solid var(--accent);
  font-size: 14px;
  color: var(--fg);
}

.spinner {
  display: inline-block;
  width: 14px; height: 14px;
  border-radius: 50%;
  border: 2px solid color-mix(in oklab, var(--accent-ink) 30%, transparent);
  border-top-color: var(--accent-ink);
  animation: spin 0.7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* FOOTER */
.footer {
  padding: 96px 0 40px;
  border-top: 1px solid var(--line);
}
.footer-big {
  font-family: var(--display);
  font-size: clamp(80px, 18vw, 280px);
  font-weight: 500;
  letter-spacing: -0.05em;
  line-height: 0.85;
  margin: 0 0 64px;
  background: linear-gradient(180deg, var(--fg) 0%, var(--fg) 50%, transparent 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid var(--line);
}
@media (max-width: 820px) {
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 36px 32px; }
}
@media (max-width: 540px) {
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
}
.footer-col { display: flex; flex-direction: column; gap: 10px; font-size: 14px; }
.footer-col h5 {
  font-family: var(--mono);
  font-size: 11px; letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--fg-faint);
  margin: 0 0 6px;
  font-weight: 500;
}
.footer-col a, .footer-col span { color: var(--fg-dim); }
.footer-col a:hover { color: var(--fg); }
.footer-brand p {
  margin: 0 0 18px;
  color: var(--fg-dim);
  font-size: 14px;
  max-width: 320px;
  line-height: 1.55;
}
.footer-bar {
  margin-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
  font-size: 13px;
  color: var(--fg-faint);
}
.footer-legal { display: flex; gap: 18px; }
.footer-legal a { color: var(--fg-dim); }
.footer-legal a:hover { color: var(--fg); }

.social-icon {
  display: inline-grid;
  place-items: center;
  width: 36px; height: 36px;
  border-radius: 50%;
  border: 1px solid var(--line);
  color: var(--fg-dim);
  transition: color .2s ease, border-color .2s ease, background .2s ease;
}
.social-icon:hover {
  color: var(--accent-ink);
  background: var(--accent);
  border-color: var(--accent);
}

/* SCROLL REVEAL */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .9s ease, transform .9s ease;
}
.reveal.in {
  opacity: 1;
  transform: none;
}

/* selection */
::selection { background: var(--accent); color: var(--accent-ink); }

/* ============ SUBPAGE STYLES ============ */
.nav-links a.active { color: var(--fg); }
.nav-links a.active::after {
  content: ""; display: block;
  height: 1px; background: var(--accent);
  margin-top: 4px;
}

.page-hero { padding: 180px 0 100px; }
.page-hero-title { font-size: clamp(56px, 9vw, 132px); max-width: 1200px; }

/* Service detail (Services page) */
.svc-detail {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 64px;
  padding: 64px 0;
  border-top: 1px solid var(--line);
}
@media (max-width: 900px) { .svc-detail { grid-template-columns: 1fr; gap: 32px; } }
.svc-detail-left { position: sticky; top: 100px; align-self: start; }
@media (max-width: 900px) { .svc-detail-left { position: static; } }
.svc-detail-num {
  font-family: var(--mono); font-size: 11px; letter-spacing: 0.14em;
  color: var(--fg-faint); margin-bottom: 18px;
}
.svc-detail-title {
  font-family: var(--display);
  font-size: clamp(40px, 5vw, 64px);
  font-weight: 500; letter-spacing: -0.03em; line-height: 0.95;
  margin: 0 0 20px;
}
.svc-detail-lede { color: var(--fg-dim); font-size: 17px; max-width: 380px; }
.svc-detail-right { display: grid; grid-template-columns: 1fr 1fr; gap: 40px 56px; }
@media (max-width: 640px) { .svc-detail-right { grid-template-columns: 1fr; } }
.svc-block h4 {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--fg-faint);
  margin: 0 0 14px;
  font-weight: 500;
}
.svc-block ul { margin: 0; padding: 0; list-style: none; display: flex; flex-direction: column; gap: 10px; }
.svc-block li {
  display: flex; gap: 12px; align-items: flex-start;
  font-size: 15px; line-height: 1.5;
}
.svc-block li svg { color: var(--accent); flex-shrink: 0; margin-top: 5px; }
.svc-block p { margin: 0; font-size: 15px; color: var(--fg-dim); line-height: 1.55; }

/* Process page phases */
.phase {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 64px;
  padding: 72px 0;
  border-top: 1px solid var(--line);
}
@media (max-width: 900px) { .phase { grid-template-columns: 1fr; gap: 24px; } }
.phase-num {
  font-family: var(--display);
  font-size: clamp(80px, 11vw, 160px);
  font-weight: 500; letter-spacing: -0.04em;
  line-height: 0.85;
  color: var(--accent);
}
.phase-meta {
  font-family: var(--mono); font-size: 11px; letter-spacing: 0.14em;
  color: var(--fg-faint); margin-top: 18px;
  text-transform: uppercase;
}
.phase h2 {
  font-family: var(--display);
  font-size: clamp(36px, 4.5vw, 56px);
  font-weight: 500; letter-spacing: -0.025em;
  margin: 0 0 18px; line-height: 1;
}
.phase-lede { font-size: 18px; color: var(--fg); max-width: 620px; line-height: 1.5; }
.phase-grid {
  margin-top: 36px;
  display: grid; grid-template-columns: 1fr 1fr; gap: 32px;
}
@media (max-width: 640px) { .phase-grid { grid-template-columns: 1fr; } }
.phase-grid h4 {
  font-family: var(--mono); font-size: 11px; letter-spacing: 0.14em;
  text-transform: uppercase; color: var(--fg-faint); margin: 0 0 12px;
  font-weight: 500;
}
.phase-grid ul { margin: 0; padding: 0; list-style: none; display: flex; flex-direction: column; gap: 8px; }
.phase-grid li { display: flex; gap: 10px; font-size: 15px; color: var(--fg-dim); }
.phase-grid li::before {
  content: ""; flex-shrink: 0; width: 5px; height: 5px;
  border-radius: 50%; background: var(--accent);
  margin-top: 9px;
}

/* Principles page — large essays */
.principle-essay {
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: 64px;
  padding: 80px 0;
  border-top: 1px solid var(--line);
}
@media (max-width: 900px) { .principle-essay { grid-template-columns: 1fr; gap: 32px; } }
.principle-essay-meta {
  font-family: var(--mono); font-size: 11px; letter-spacing: 0.14em;
  color: var(--fg-faint); text-transform: uppercase;
  margin-bottom: 24px;
}
.principle-essay h2 {
  font-family: var(--display);
  font-size: clamp(36px, 4.6vw, 60px);
  font-weight: 500; letter-spacing: -0.025em; line-height: 0.95;
  margin: 0;
}
.principle-essay p {
  margin: 0 0 18px;
  font-size: 17px; line-height: 1.6;
  color: var(--fg);
}
.principle-essay p.dim { color: var(--fg-dim); }
.principle-essay .pull {
  font-family: var(--serif); font-style: italic;
  font-size: clamp(22px, 2.4vw, 28px);
  line-height: 1.35;
  color: var(--fg);
  border-left: 2px solid var(--accent);
  padding: 4px 0 4px 20px;
  margin: 32px 0;
  letter-spacing: -0.01em;
}

/* FAQ page categories */
.faq-cat {
  padding: 72px 0;
  border-top: 1px solid var(--line);
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 64px;
  align-items: start;
}
@media (max-width: 900px) { .faq-cat { grid-template-columns: 1fr; gap: 24px; } }
.faq-cat h2 {
  font-family: var(--display);
  font-size: clamp(32px, 4vw, 48px);
  font-weight: 500; letter-spacing: -0.025em;
  margin: 0; line-height: 1;
}
.faq-cat-meta {
  font-family: var(--mono); font-size: 11px; letter-spacing: 0.14em;
  color: var(--fg-faint); text-transform: uppercase;
  margin-bottom: 16px;
}

/* CTA Strip */
.cta-strip { padding: 80px 0 120px; }
.cta-card {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 48px;
  align-items: center;
  padding: 64px 56px;
  border: 1px solid var(--line);
  border-radius: 24px;
  background: var(--bg-2);
  position: relative;
  overflow: hidden;
}
.cta-card::before {
  content: "";
  position: absolute;
  inset: auto -10% -60% auto;
  width: 50%; height: 280px;
  background: radial-gradient(closest-side, color-mix(in oklab, var(--accent) 28%, transparent), transparent);
  pointer-events: none;
}
@media (max-width: 720px) {
  .cta-card { grid-template-columns: 1fr; padding: 40px 28px; }
}
.cta-title {
  margin: 14px 0 12px;
  font-size: clamp(36px, 4.6vw, 64px);
  line-height: 0.95;
}
.cta-sub { color: var(--fg-dim); max-width: 480px; font-size: 17px; }
.cta-btn { justify-self: end; }
@media (max-width: 720px) { .cta-btn { justify-self: start; } }

/* ============ MOBILE TIGHTENING ============ */
@media (max-width: 820px) {
  body { font-size: 15px; }

  /* Hero */
  .hero { padding: 130px 0 56px; }
  .hero-grid { gap: 32px; }
  .hero h1 { font-size: clamp(48px, 12vw, 88px); }
  .hero-lede { font-size: 17px; }
  .marquee { margin-top: 48px; padding: 14px 0; }
  .marquee-track { font-size: 22px; gap: 36px; }
  .marquee-item { gap: 36px; }
  .hero-cta-row .btn { font-size: 13px; padding: 11px 16px; }

  /* Sections */
  .section { padding: 72px 0; }
  .section-head { margin-bottom: 40px; gap: 14px; }
  .section-title { font-size: clamp(34px, 9vw, 56px); }
  .section-lede { font-size: 16px; }

  /* Services grid → narrower cells */
  .service { padding: 32px 24px; min-height: 240px; }
  .service-title { font-size: 28px; }

  /* Process */
  .step { padding: 28px 0 24px; }
  .step-num { font-size: 48px; margin-bottom: 16px; }

  /* Principles homepage */
  .principle { padding: 28px 0; }
  .principle h3 { font-size: 22px; }

  /* FAQ homepage */
  .faq-q-text { font-size: 19px; }
  .faq-item { padding: 22px 0; }

  /* Page hero */
  .page-hero { padding: 130px 0 64px; }
  .page-hero-title { font-size: clamp(48px, 12vw, 80px); }

  /* Service detail blocks */
  .svc-detail { padding: 48px 0; gap: 28px; }
  .svc-detail-title { font-size: clamp(34px, 9vw, 48px); }
  .svc-detail-right { gap: 28px; }

  /* Phase blocks */
  .phase { padding: 48px 0; gap: 24px; }
  .phase h2 { font-size: clamp(30px, 8vw, 40px); }
  .phase-lede { font-size: 16px; }
  .phase-grid { margin-top: 24px; gap: 24px; }

  /* Principle essay */
  .principle-essay { padding: 56px 0; gap: 28px; }
  .principle-essay h2 { font-size: clamp(30px, 8vw, 44px); }
  .principle-essay p { font-size: 16px; }
  .principle-essay .pull { font-size: 20px; padding-left: 16px; margin: 24px 0; }

  /* FAQ categories */
  .faq-cat { padding: 56px 0; gap: 24px; }
  .faq-cat h2 { font-size: clamp(28px, 7vw, 36px); }

  /* CTA card */
  .cta-strip { padding: 56px 0 80px; }
  .cta-card { padding: 36px 24px; gap: 28px; }
  .cta-title { font-size: clamp(30px, 8vw, 44px); }
  .cta-sub { font-size: 15px; }

  /* Contact form */
  .form { padding: 24px; }
  .contact h2 { font-size: clamp(44px, 12vw, 64px); }
  .contact-lede { font-size: 16px; }

  /* Footer */
  .footer { padding: 64px 0 32px; }
  .footer-big { margin: 0 0 40px; }
  .footer-bar { font-size: 12px; flex-direction: column; align-items: flex-start; gap: 12px; }
}

@media (max-width: 540px) {
  .hero h1 { line-height: 0.95; }
  .service { padding: 28px 20px; min-height: 220px; }
  .service-tags { gap: 6px; }
  .tag { font-size: 10px; padding: 4px 8px; }
  .stack-item { font-size: 12.5px; padding: 8px 12px; }

  /* Hero CTA stack */
  .hero-cta-row { flex-direction: column; align-items: flex-start; }
  .hero-cta-row .btn { width: auto; }

  /* CTA card stacks naturally */
  .cta-card { padding: 28px 20px; }
}

/* Hover-only effects: skip on touch */
@media (hover: none) {
  .service:hover { background: transparent; }
  .service:hover .service-arrow { opacity: 0; }
}