/* ============================================================
   StellarLink Media — Apple-flavored design system
   ============================================================ */
:root {
  --bg: #fbfbfd;
  --bg-2: #f5f5f7;
  --bg-dark: #0a0a0c;
  --bg-dark-2: #141416;
  --ink: #1d1d1f;
  --ink-2: #515154;
  --ink-3: #86868b;
  --line: #d2d2d7;
  --accent: #0071e3;
  --accent-2: #2997ff;
  --ok: #30d158;

  --sans: "Inter Tight", -apple-system, BlinkMacSystemFont, "SF Pro Display", "Segoe UI", Roboto, sans-serif;
  --text: "Inter", -apple-system, BlinkMacSystemFont, "SF Pro Text", sans-serif;
  --mono: "JetBrains Mono", "SF Mono", ui-monospace, Menlo, monospace;

  --max: 1440px;
  --gutter: clamp(22px, 4vw, 56px);
}

* { box-sizing: border-box; -webkit-font-smoothing: antialiased; margin: 0; padding: 0; }
html, body { background: var(--bg); color: var(--ink); }
body {
  font-family: var(--text);
  font-size: 17px;
  line-height: 1.47;
  letter-spacing: -0.01em;
}
a { color: inherit; text-decoration: none; }
img, svg { display: block; max-width: 100%; }
button { font: inherit; cursor: pointer; border: none; background: none; color: inherit; }
ul { list-style: none; }
::selection { background: var(--accent); color: #fff; }

.container { max-width: var(--max); margin: 0 auto; padding: 0 var(--gutter); }

/* ---- Typography ---- */
.display {
  font-family: var(--sans);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.05;
  text-wrap: balance;
}
.d-xxl { font-size: clamp(56px, 9.5vw, 144px); font-weight: 700; letter-spacing: -0.042em; line-height: 0.98; }
.d-xl  { font-size: clamp(44px, 6.4vw, 96px);  font-weight: 700; letter-spacing: -0.035em; line-height: 1.02; }
.d-l   { font-size: clamp(32px, 4.2vw, 64px);  font-weight: 700; letter-spacing: -0.028em; line-height: 1.05; }
.d-m   { font-size: clamp(24px, 2.4vw, 36px);  font-weight: 600; letter-spacing: -0.02em;  line-height: 1.15; }

.sub   { font-size: clamp(18px, 1.6vw, 24px); color: var(--ink-2); line-height: 1.38; letter-spacing: -0.01em; max-width: 28ch; text-wrap: pretty; }
.over  { font-family: var(--sans); font-size: 14px; font-weight: 500; letter-spacing: 0.02em; color: var(--accent); }
.lead  { font-size: clamp(19px, 1.5vw, 22px); color: var(--ink-2); line-height: 1.42; letter-spacing: -0.01em; }
.light-text { color: var(--ink-3); }

/* ---- Nav ---- */
.nav {
  position: sticky; top: 14px; z-index: 50;
  display: flex; justify-content: center;
  padding: 0 var(--gutter);
  pointer-events: none;
}
.nav-inner {
  width: 100%; max-width: 980px;
  display: flex; align-items: center; justify-content: space-between;
  padding: 12px 22px;
  background: rgba(255,255,255,0.72);
  backdrop-filter: saturate(1.6) blur(24px);
  -webkit-backdrop-filter: saturate(1.6) blur(24px);
  border: 1px solid rgba(0,0,0,0.06);
  border-radius: 999px;
  box-shadow: 0 8px 28px -18px rgba(0,0,0,0.18);
  font-family: var(--sans);
  font-size: 14px;
  font-weight: 500;
  letter-spacing: -0.005em;
  pointer-events: all;
}
.nav-brand { display: flex; align-items: center; gap: 10px; color: var(--ink); font-weight: 600; }
.nav-mk { width: 22px; height: 22px; border-radius: 6px; display: grid; place-items: center; background: var(--ink); color: var(--bg); font-size: 12px; font-weight: 700; letter-spacing: -0.02em; font-family: var(--sans); flex-shrink: 0; }
.nav-links { display: flex; align-items: center; gap: 28px; color: var(--ink-2); }
.nav-links a { transition: color .2s; }
.nav-links a:hover { color: var(--ink); }
.nav-links a.active { color: var(--ink); }
.nav-cta {
  padding: 7px 14px; border-radius: 999px;
  background: var(--ink); color: #fff !important; font-weight: 500;
  transition: background .2s !important;
}
.nav-cta:hover { background: #333 !important; }

.nav-mobile-toggle {
  display: none;
  width: 30px; height: 30px;
  flex-direction: column; justify-content: center; gap: 5px;
  cursor: pointer;
}
.nav-mobile-toggle span {
  display: block; height: 1.5px; background: var(--ink);
  border-radius: 2px; transition: all .3s;
}
@media (max-width: 760px) {
  .nav-links a:not(.nav-cta):not(.nav-persistent) { display: none; }
  .nav-mobile-toggle { display: flex; }
}

/* Mobile nav drawer */
.nav-drawer {
  display: none;
  position: fixed; inset: 0; z-index: 49;
  background: rgba(251,251,253,0.97);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  flex-direction: column;
  align-items: center; justify-content: center;
  gap: 32px;
}
.nav-drawer.open { display: flex; }
.nav-drawer a {
  font-family: var(--sans); font-size: 32px; font-weight: 700;
  letter-spacing: -0.03em; color: var(--ink);
}
.nav-drawer a:hover { color: var(--accent); }
.nav-drawer-close {
  position: absolute; top: 28px; right: 28px;
  font-size: 28px; color: var(--ink-3); cursor: pointer; line-height: 1;
}

/* ---- Sections ---- */
.section { padding: clamp(80px, 10vw, 160px) 0; position: relative; }
.section.dark { background: var(--bg-dark); color: #f5f5f7; }
.section.dark .sub { color: #a1a1a6; }
.section.dark .light-text { color: #6e6e73; }
.section.dark .over { color: var(--accent-2); }
.section.tight { padding: clamp(56px, 7vw, 96px) 0; }
.section.bg-2 { background: var(--bg-2); }

/* ---- Hero ---- */
.hero {
  padding: 120px 0 clamp(72px, 8vw, 120px);
  text-align: center;
  position: relative;
  overflow: hidden;
}
.hero .over { display: inline-block; margin-bottom: 18px; }
.hero h1 { margin: 0 auto; max-width: 16ch; }
.hero .sub { margin: 22px auto 0; text-align: center; max-width: 44ch; color: var(--ink-2); font-size: clamp(20px, 1.8vw, 28px); line-height: 1.3; }
.hero-actions {
  display: flex; gap: 18px; justify-content: center; margin-top: 36px; flex-wrap: wrap;
  font-family: var(--sans); font-size: 17px; font-weight: 500; letter-spacing: -0.01em;
}
.hero-actions a { display: inline-flex; align-items: center; gap: 6px; color: var(--accent); }
.hero-actions a:hover { text-decoration: underline; }
.btn-primary-pill {
  padding: 14px 22px; border-radius: 999px; background: var(--accent); color: #fff !important;
  text-decoration: none !important; transition: background .2s;
}
.btn-primary-pill:hover { background: #0077ed !important; text-decoration: none !important; }

/* ---- Stage / brief ---- */
.stage {
  margin-top: clamp(56px, 7vw, 96px);
  perspective: 1800px;
  position: relative;
  display: grid; place-items: center;
}
.stage::before {
  content: "";
  position: absolute;
  width: 72%; height: 80px; left: 14%; bottom: -20px;
  background: radial-gradient(ellipse at center, rgba(0,0,0,0.18), transparent 60%);
  filter: blur(12px);
  z-index: 0;
}
.brief {
  width: min(760px, 84vw);
  aspect-ratio: 8.5 / 11;
  background: #ffffff;
  border-radius: 8px;
  box-shadow:
    0 40px 80px -30px rgba(0,0,0,0.35),
    0 12px 40px -16px rgba(0,0,0,0.25),
    0 2px 0 rgba(0,0,0,0.02);
  transform: rotateX(6deg) rotateY(-6deg) rotateZ(0.5deg);
  transition: transform .6s ease;
  position: relative;
  overflow: hidden;
  padding: 56px 64px;
  z-index: 1;
  font-family: var(--text);
  color: var(--ink);
  text-align: left;
}
.brief::before {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(135deg, transparent 0%, transparent 55%, rgba(0,113,227,0.06) 100%);
  pointer-events: none;
}
.brief:hover { transform: rotateX(3deg) rotateY(-3deg); }
.brief-head { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 24px; padding-bottom: 14px; border-bottom: 1px solid var(--line); }
.brief-head .b-logo { font-family: var(--sans); font-weight: 700; font-size: 13px; letter-spacing: -0.01em; }
.brief-head .b-ref { font-family: var(--mono); font-size: 10px; color: var(--ink-3); letter-spacing: 0.08em; }
.brief h2 { font-family: var(--sans); font-size: 28px; font-weight: 700; letter-spacing: -0.02em; line-height: 1.12; margin: 0 0 10px; }
.brief .b-sub { color: var(--ink-2); font-size: 13.5px; margin: 0 0 22px; max-width: 52ch; }
.brief .b-rec {
  padding: 14px 16px; background: #f5f7fb; border: 1px solid #e3e7f0; border-radius: 6px; margin-bottom: 22px;
}
.brief .b-rec .b-lbl { font-family: var(--mono); font-size: 10px; letter-spacing: 0.1em; color: var(--accent); text-transform: uppercase; margin-bottom: 4px; }
.brief .b-rec .b-txt { font-family: var(--sans); font-size: 14px; font-weight: 600; letter-spacing: -0.01em; }
.brief table { width: 100%; border-collapse: collapse; font-size: 11px; }
.brief th, .brief td { padding: 8px 10px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
.brief th { font-family: var(--mono); font-size: 9px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--ink-3); font-weight: 500; }
.brief td:first-child { font-weight: 600; }
.b-dot { display: inline-block; width: 7px; height: 7px; border-radius: 50%; margin-right: 4px; vertical-align: 1px; }
.b-fill { height: 8px; border-radius: 4px; background: #e8eaed; overflow: hidden; margin-top: 4px; }
.b-fill > span { display: block; height: 100%; background: linear-gradient(90deg, var(--accent), var(--accent-2)); }

@media (max-width: 680px) {
  .brief { padding: 36px 32px; transform: none; }
  .brief:hover { transform: none; }
}

/* ---- Keynote ---- */
.keynote {
  min-height: 60vh;
  display: grid; place-items: center;
  text-align: center;
  padding: clamp(80px, 10vw, 140px) 0;
  border-top: 1px solid var(--line);
}
.keynote.dark { background: var(--bg-dark); color: #f5f5f7; border-top: none; }
.keynote .eyebrow { font-family: var(--sans); font-size: 14px; color: var(--accent); font-weight: 500; letter-spacing: 0.01em; margin-bottom: 14px; }
.keynote.dark .eyebrow { color: var(--accent-2); }
.keynote h2 { margin: 0 auto; max-width: 20ch; }
.keynote p { margin: 20px auto 0; max-width: 52ch; color: var(--ink-2); font-size: clamp(18px, 1.5vw, 22px); line-height: 1.4; }
.keynote.dark p { color: #a1a1a6; }
.keynote .hero-actions { font-size: 16px; margin-top: 28px; }

/* ---- Bento / features ---- */
.features {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 12px;
}
.tile {
  background: var(--bg-2);
  border-radius: 22px;
  padding: 44px 40px 40px;
  grid-column: span 6;
  display: flex; flex-direction: column; gap: 16px;
  position: relative; overflow: hidden; min-height: 420px;
  transition: transform .3s ease;
}
.tile:hover { transform: translateY(-2px); }
.tile.dark { background: var(--bg-dark); color: #f5f5f7; }
.tile.dark .tile-body { color: #a1a1a6; }
.tile.w-4 { grid-column: span 4; min-height: 340px; }
.tile.w-8 { grid-column: span 8; min-height: 420px; }
.tile.w-12 { grid-column: span 12; }
@media (max-width: 900px) { .tile, .tile.w-4, .tile.w-8 { grid-column: span 12; min-height: 320px; } }

.tile .over { font-size: 13px; }
.tile h3 {
  font-family: var(--sans); font-size: clamp(28px, 2.4vw, 40px); font-weight: 700;
  letter-spacing: -0.025em; line-height: 1.08; margin: 0; max-width: 18ch; text-wrap: balance;
}
.tile.dark h3 { color: #f5f5f7; }
.tile-body { color: var(--ink-2); max-width: 40ch; font-size: 15.5px; line-height: 1.5; margin: 0; }
.tile-foot {
  display: flex; justify-content: space-between; align-items: baseline;
  margin-top: auto; padding-top: 18px;
  font-family: var(--mono); font-size: 11px; color: var(--ink-3); letter-spacing: 0.05em;
}
.tile.dark .tile-foot { color: #6e6e73; }
.tile-price { font-family: var(--sans); font-size: 16px; color: var(--ink); font-weight: 600; letter-spacing: -0.015em; }
.tile.dark .tile-price { color: #fff; }
.tile-from { color: var(--ink-3); font-weight: 500; font-size: 12px; margin-right: 3px; font-family: var(--mono); }
.tile-glow {
  position: absolute; right: -20%; top: -20%; width: 80%; height: 130%; pointer-events: none;
  background: radial-gradient(circle at center, color-mix(in oklch, var(--accent) 30%, transparent), transparent 60%);
  filter: blur(20px);
}

/* ---- Specs ---- */
.specs {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: 18px;
  overflow: hidden;
}
@media (max-width: 800px) { .specs { grid-template-columns: repeat(2, 1fr); } }
.spec { background: var(--bg); padding: 32px 28px; }
.spec-big {
  font-family: var(--sans); font-size: clamp(44px, 4.6vw, 64px); font-weight: 700;
  letter-spacing: -0.035em; line-height: 1; color: var(--ink);
}
.spec-big sup { font-size: 0.42em; font-weight: 600; vertical-align: super; margin-left: 4px; color: var(--ink-3); letter-spacing: 0; }
.spec-lbl { color: var(--ink-2); font-size: 14px; margin-top: 10px; letter-spacing: -0.005em; line-height: 1.35; }

/* ---- Principal ---- */
.principal-block {
  background: var(--bg-dark);
  color: #f5f5f7;
  border-radius: 24px;
  padding: clamp(48px, 6vw, 96px);
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  gap: clamp(32px, 5vw, 80px);
  align-items: center;
}
@media (max-width: 900px) { .principal-block { grid-template-columns: 1fr; } }
.principal-block .p-lead {
  font-family: var(--sans); font-size: clamp(28px, 3vw, 44px); font-weight: 600;
  letter-spacing: -0.025em; line-height: 1.15; color: #fff; margin: 0 0 24px;
}
.principal-block .p-body { color: #a1a1a6; font-size: 17px; line-height: 1.55; margin: 0; max-width: 56ch; }
.principal-block .over { color: var(--accent-2); margin-bottom: 18px; display: block; }

.portrait-a {
  aspect-ratio: 4/5;
  border-radius: 20px;
  overflow: hidden;
  position: relative;
  background:
    radial-gradient(circle at 30% 30%, #2a2a2e, transparent 55%),
    radial-gradient(circle at 70% 70%, #1a1a1e, transparent 60%),
    linear-gradient(135deg, #1a1a1e 0%, #0a0a0c 100%);
  display: grid; place-items: center;
}
.portrait-a .glyph {
  font-family: var(--sans); font-weight: 700;
  font-size: clamp(96px, 10vw, 160px);
  letter-spacing: -0.05em;
  background: linear-gradient(180deg, #f5f5f7, #8e8e93);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
  line-height: 1;
}
.portrait-a::after {
  content: "PRINCIPAL / BILLU";
  position: absolute; bottom: 18px; left: 20px;
  font-family: var(--mono); font-size: 10px; letter-spacing: 0.14em; color: #6e6e73;
}

.cred-list { list-style: none; padding: 0; margin: 28px 0 0; border-top: 1px solid #2a2a2e; }
.cred-list li {
  display: grid; grid-template-columns: 92px 1fr; gap: 20px;
  padding: 16px 0;
  border-bottom: 1px solid #2a2a2e;
  align-items: baseline;
}
.cred-yr { font-family: var(--mono); font-size: 11px; color: #6e6e73; letter-spacing: 0.08em; }
.cred-what { color: #f5f5f7; font-size: 15.5px; line-height: 1.45; }
.cred-what em { font-style: normal; color: #a1a1a6; }

/* ---- Research strip ---- */
.research-strip {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}
@media (max-width: 900px) { .research-strip { grid-template-columns: 1fr; } }
.article {
  background: var(--bg-2);
  border-radius: 20px;
  padding: 36px 32px 28px;
  min-height: 320px;
  display: flex; flex-direction: column; gap: 16px;
  transition: background .2s;
  color: var(--ink);
}
.article:hover { background: #e8e8ed; }
.article .art-cat { font-family: var(--sans); font-size: 13px; color: var(--accent); font-weight: 500; }
.article h4 {
  font-family: var(--sans); font-weight: 700; font-size: clamp(20px, 1.7vw, 26px);
  letter-spacing: -0.02em; line-height: 1.18; margin: 0; max-width: 22ch; text-wrap: balance; color: var(--ink);
}
.article .art-meta { margin-top: auto; display: flex; justify-content: space-between; font-family: var(--mono); font-size: 11px; color: var(--ink-3); letter-spacing: 0.05em; }
.article .art-link { color: var(--accent); font-weight: 500; font-size: 14px; }

/* ---- Footer ---- */
.footer-a {
  background: var(--bg-2); color: var(--ink-2);
  padding: 40px 0 24px;
  font-size: 12px; line-height: 1.5;
}
.footer-a .f-cols {
  display: grid; grid-template-columns: 2fr repeat(3, 1fr);
  gap: 40px; padding-bottom: 28px; border-bottom: 1px solid #d2d2d7;
}
@media (max-width: 760px) { .footer-a .f-cols { grid-template-columns: 1fr 1fr; } }
.footer-a h6 { font-family: var(--sans); font-size: 12px; font-weight: 600; color: var(--ink); margin: 0 0 14px; letter-spacing: -0.005em; }
.footer-a ul { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 9px; }
.footer-a a:hover { text-decoration: underline; }
.footer-a .f-bot {
  margin-top: 22px;
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px;
  color: var(--ink-3); font-size: 12px;
}
.footer-brand { display: flex; align-items: center; gap: 10px; margin-bottom: 12px; }
.footer-brand-name { font-family: var(--sans); font-weight: 600; color: var(--ink); font-size: 14px; }

/* ---- Form ---- */
.form-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: clamp(36px, 5vw, 64px);
  max-width: 640px;
  margin: 0 auto;
}
.form-card h2 { font-family: var(--sans); font-weight: 700; letter-spacing: -0.025em; line-height: 1.1; margin-bottom: 8px; }
.form-card .form-sub { color: var(--ink-2); font-size: 16px; margin-bottom: 36px; }
.form-group { margin-bottom: 20px; }
.form-label {
  display: block; font-family: var(--sans); font-size: 13px; font-weight: 600;
  color: var(--ink); margin-bottom: 8px; letter-spacing: -0.005em;
}
.form-label.req::after { content: " *"; color: var(--accent); }
.form-input {
  width: 100%;
  font-family: var(--text); font-size: 16px;
  padding: 12px 16px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--bg);
  color: var(--ink);
  transition: border-color .2s, box-shadow .2s;
  outline: none;
  appearance: none;
}
.form-input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(0,113,227,0.15);
}
.form-input::placeholder { color: var(--ink-3); }
textarea.form-input { resize: vertical; min-height: 120px; }
select.form-input { cursor: pointer; }
.form-submit {
  width: 100%; padding: 16px;
  background: var(--ink); color: #fff;
  font-family: var(--sans); font-size: 16px; font-weight: 600;
  border-radius: 999px; border: none; cursor: pointer;
  transition: background .2s;
  letter-spacing: -0.01em;
}
.form-submit:hover { background: #333; }
.form-note { text-align: center; color: var(--ink-3); font-size: 12px; margin-top: 14px; font-family: var(--mono); }
.visually-hidden { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; }

/* ---- Work page ---- */
.research-2col {
  display: grid; grid-template-columns: repeat(2, 1fr);
  gap: 14px;
}
@media (max-width: 760px) { .research-2col { grid-template-columns: 1fr; } }

.sample-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: clamp(32px, 4vw, 56px);
  max-width: 720px;
  margin: 0 auto;
}
.sample-card .s-badge {
  display: inline-block; font-family: var(--mono); font-size: 10px; letter-spacing: 0.12em;
  text-transform: uppercase; color: var(--accent); background: rgba(0,113,227,0.08);
  padding: 4px 10px; border-radius: 999px; margin-bottom: 20px;
}
.sample-card h3 {
  font-family: var(--sans); font-size: clamp(22px, 2.2vw, 32px); font-weight: 700;
  letter-spacing: -0.025em; line-height: 1.15; margin-bottom: 8px;
}
.sample-card .s-meta { color: var(--ink-3); font-family: var(--mono); font-size: 12px; letter-spacing: 0.04em; margin-bottom: 28px; }
.sample-block {
  background: var(--bg-2); border-radius: 12px; padding: 24px 28px;
  margin-bottom: 16px;
}
.sample-block h4 {
  font-family: var(--mono); font-size: 10px; letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--ink-3); margin-bottom: 16px;
}
.sample-block ol, .sample-block ul { padding-left: 20px; display: flex; flex-direction: column; gap: 10px; }
.sample-block li { font-size: 15px; color: var(--ink-2); line-height: 1.5; }
.sample-block strong { color: var(--ink); }
.sample-excerpt {
  background: var(--bg-2); border-radius: 12px; padding: 24px 28px;
  border-left: 3px solid var(--accent); margin-bottom: 16px;
}
.sample-excerpt h4 {
  font-family: var(--mono); font-size: 10px; letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--accent); margin-bottom: 16px;
}
.sample-excerpt p { font-size: 15px; color: var(--ink-2); line-height: 1.65; margin-bottom: 12px; }
.sample-excerpt p:last-child { margin-bottom: 0; }
.sample-excerpt strong { color: var(--ink); font-size: 14px; display: block; margin-bottom: 6px; }

/* ---- Pain triggers (about / home) ---- */
.pain-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}
@media (max-width: 900px) { .pain-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 600px) { .pain-grid { grid-template-columns: 1fr; } }
.pain-tile {
  background: var(--bg-2); border-radius: 16px;
  padding: 28px 24px;
  border-left: 3px solid var(--accent);
}
.pain-tile .p-tag { font-family: var(--mono); font-size: 11px; color: var(--ink-3); letter-spacing: 0.08em; margin-bottom: 10px; }
.pain-tile p { color: var(--ink); font-size: 15px; line-height: 1.5; font-weight: 500; margin: 0; }

/* ---- Scroll fade ---- */
.fade-up { opacity: 0; transform: translateY(24px); transition: opacity .8s ease, transform .8s ease; }
.fade-up.in { opacity: 1; transform: none; }

/* ---- Section headers ---- */
.section-header { max-width: 820px; margin: 0 auto clamp(48px, 6vw, 96px); text-align: center; }
.section-header .over { margin-bottom: 12px; display: block; }
.section-header h2 { margin-top: 0; }
.section-header p { margin-top: 18px; max-width: 48ch; margin-left: auto; margin-right: auto; }

/* ---- Page hero (inner pages) ---- */
.page-hero {
  padding: 120px 0 clamp(64px, 8vw, 100px);
  text-align: center;
}
.page-hero .over { display: inline-block; margin-bottom: 18px; }
.page-hero h1 { margin: 0 auto; }
.page-hero p { margin: 22px auto 0; max-width: 48ch; }

/* ---- How we work (about) ---- */
.how-grid {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}
@media (max-width: 760px) { .how-grid { grid-template-columns: 1fr; } }
.how-tile {
  border-radius: 22px; padding: 40px 36px;
  display: flex; flex-direction: column; gap: 14px;
  background: var(--bg-dark-2); color: #f5f5f7;
}
.how-num { font-family: var(--mono); font-size: 11px; letter-spacing: 0.1em; color: #6e6e73; }
.how-title { font-family: var(--sans); font-size: clamp(22px, 1.8vw, 28px); font-weight: 700; letter-spacing: -0.02em; line-height: 1.15; }
.how-body { color: #a1a1a6; font-size: 15.5px; line-height: 1.55; margin: 0; }