/* =========================================================================
   Certified.Photos — shared site chrome
   Loads after colors_and_type.css. Used by all sub-pages.
   Homepage keeps its own inline styles (large layout-specific block).
   ========================================================================= */

:root {
  --vault-stroke: rgba(242,240,235,0.14);
  --vault-stroke-strong: rgba(242,240,235,0.28);
  --grid-line: rgba(242,240,235,0.04);
}

html, body { margin: 0; padding: 0; }
body.certified {
  background: #050505;
  color: var(--fg-1);
  font: var(--type-body);
  min-height: 100vh;
  overflow-x: hidden;
}

a { color: var(--signal); }

.room {
  position: fixed; inset: 0;
  background:
    linear-gradient(var(--grid-line) 1px, transparent 1px) 0 0 / 100% 64px,
    linear-gradient(90deg, var(--grid-line) 1px, transparent 1px) 0 0 / 64px 100%,
    radial-gradient(ellipse 80% 60% at 50% 20%, rgba(244,208,63,0.04), transparent 70%),
    #050505;
  z-index: 0;
  pointer-events: none;
}

.page {
  position: relative;
  z-index: 1;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 var(--s-6);
}

/* ---------- Top bar ---------- */
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--s-5) 0;
  gap: var(--s-5);
}
.brand {
  display: flex;
  align-items: center;
  gap: var(--s-3);
  text-decoration: none;
}
.brand-mark {
  width: 28px; height: 28px;
  display: grid; place-items: center;
  border: 1px solid var(--vault-stroke-strong);
  border-radius: 6px;
  background: #0c0c0c;
}
.brand-mark svg { display: block; }
.brand-name {
  font: var(--type-h3);
  color: var(--fg-1);
  letter-spacing: -0.01em;
}
.brand-name .dim { color: var(--fg-2); font-weight: 400; }

.topnav {
  display: flex; align-items: center; gap: var(--s-5);
  font: var(--type-label);
}
.topnav a {
  color: var(--fg-2);
  text-decoration: none;
  transition: color var(--dur-press) ease-out;
}
.topnav a:hover { color: var(--fg-1); }
.topnav a.current { color: var(--fg-1); }
.topnav .verify-cta {
  color: var(--fg-1);
  border: 1px solid var(--vault-stroke-strong);
  padding: 8px 14px;
  border-radius: var(--r-pill);
  font: 500 13px/1 var(--font-sans);
}
.topnav .verify-cta:hover { border-color: var(--signal); color: var(--signal); }

/* ---------- Section heads ---------- */
.section-head {
  display: flex; align-items: baseline; justify-content: space-between;
  margin-bottom: var(--s-5);
  gap: var(--s-4);
  flex-wrap: wrap;
}
.section-head h2 {
  margin: 0;
  font: 600 26px/30px var(--font-sans);
  letter-spacing: -0.015em;
  color: var(--fg-1);
}
.section-head .meta {
  font: var(--type-caption);
  color: var(--fg-3);
  text-transform: uppercase;
  letter-spacing: var(--tracking-meta);
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: var(--s-2);
  height: 48px; padding: 0 var(--s-5);
  border-radius: var(--r-button);
  font: 500 15px/1 var(--font-sans);
  transition: background var(--dur-press) ease-out, transform var(--dur-press) ease-out, border-color var(--dur-press) ease-out;
  border: 1px solid transparent;
  text-decoration: none;
}
.btn-primary { background: var(--signal); color: var(--signal-on-fg); }
.btn-primary:hover { background: var(--signal-pressed); }
.btn-ghost {
  background: transparent;
  color: var(--fg-1);
  border-color: var(--vault-stroke-strong);
}
.btn-ghost:hover { background: rgba(242,240,235,0.04); border-color: var(--fg-2); }
.btn .arrow {
  font-family: var(--font-mono);
  font-weight: 500;
  transition: transform var(--dur-press) ease-out;
}
.btn:hover .arrow { transform: translateX(3px); }
.btn-text {
  display: inline-flex; align-items: center; gap: var(--s-2);
  color: var(--fg-2);
  text-decoration: none;
  font: 500 14px/1 var(--font-sans);
  padding: 0 var(--s-3);
  height: 48px;
  transition: color var(--dur-press) ease-out;
}
.btn-text:hover { color: var(--signal); }
.btn-text .arrow { transition: transform var(--dur-press) ease-out; font-family: var(--font-mono); }
.btn-text:hover .arrow { transform: translateX(3px); }

/* ---------- Sub-page hero ---------- */
.sub-hero {
  padding: var(--s-7) 0 var(--s-6) 0;
  max-width: 760px;
}
.sub-hero .eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--s-2);
  padding: 6px 10px 6px 8px;
  border: 1px solid var(--vault-stroke);
  border-radius: var(--r-pill);
  font: var(--type-caption);
  color: var(--fg-2);
  text-transform: uppercase;
  letter-spacing: var(--tracking-meta);
  background: rgba(242,240,235,0.02);
  margin-bottom: var(--s-4);
}
.sub-hero .eyebrow .dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--signal);
  box-shadow: 0 0 8px rgba(244,208,63,0.7);
}
.sub-hero h1 {
  font: 700 52px/1.05 var(--font-sans);
  letter-spacing: -0.025em;
  color: var(--fg-1);
  margin: 0 0 var(--s-4) 0;
  text-wrap: balance;
}
.sub-hero h1 .yellow { color: var(--signal); }
.sub-hero p.lead {
  font: 400 18px/28px var(--font-sans);
  color: var(--fg-2);
  max-width: 56ch;
  text-wrap: pretty;
  margin: 0 0 var(--s-6) 0;
}
.sub-hero p.lead em { font-style: normal; color: var(--fg-1); font-weight: 500; }
.sub-hero .cta-row {
  display: flex; align-items: center; gap: var(--s-3); flex-wrap: wrap;
}

/* ---------- Use-case cards ---------- */
.cases {
  padding: var(--s-6) 0;
  border-top: 1px solid var(--vault-stroke);
}
.case-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--s-4);
}
.case {
  padding: var(--s-5);
  border: 1px solid var(--vault-stroke);
  border-radius: var(--r-card);
  background: rgba(12,12,12,0.6);
  display: flex; flex-direction: column; gap: var(--s-3);
}
.case .tag {
  font: 500 11px/1 var(--font-mono);
  color: var(--fg-3);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.case h3 {
  margin: 0;
  font: 600 18px/22px var(--font-sans);
  letter-spacing: -0.01em;
  color: var(--fg-1);
}
.case p {
  margin: 0;
  font: 400 13px/20px var(--font-sans);
  color: var(--fg-2);
}

/* ---------- Feature list ---------- */
.features {
  padding: var(--s-6) 0;
  border-top: 1px solid var(--vault-stroke);
}
.feature-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--s-5);
}
.feature {
  display: flex; flex-direction: column; gap: var(--s-2);
}
.feature .label {
  font: 500 11px/1 var(--font-mono);
  color: var(--signal);
  letter-spacing: 0.08em;
}
.feature h4 {
  margin: 0;
  font: 600 17px/22px var(--font-sans);
  color: var(--fg-1);
  letter-spacing: -0.01em;
}
.feature p {
  margin: 0;
  font: 400 14px/22px var(--font-sans);
  color: var(--fg-2);
}

/* ---------- CTA block ---------- */
.cta-block {
  margin: var(--s-7) 0;
  padding: var(--s-7);
  border: 1px solid var(--vault-stroke);
  border-radius: var(--r-card);
  background:
    linear-gradient(180deg, rgba(244,208,63,0.05), transparent 50%),
    #0a0a0a;
  text-align: center;
}
.cta-block h2 {
  margin: 0 0 var(--s-3) 0;
  font: 600 28px/32px var(--font-sans);
  letter-spacing: -0.015em;
  color: var(--fg-1);
}
.cta-block p {
  margin: 0 auto var(--s-5) auto;
  font: 400 16px/24px var(--font-sans);
  color: var(--fg-2);
  max-width: 52ch;
}
.cta-block .cta-row {
  display: flex; justify-content: center; gap: var(--s-3); flex-wrap: wrap;
}

/* ---------- Code/sample blocks ---------- */
.sample {
  border: 1px solid var(--vault-stroke);
  border-radius: var(--r-button);
  background: #08090b;
  padding: var(--s-4) var(--s-5);
  font: 500 13px/22px var(--font-mono);
  color: var(--fg-2);
  overflow-x: auto;
  white-space: pre;
}
.sample .k { color: var(--signal); }
.sample .v { color: var(--fg-1); }
.sample .c { color: var(--fg-3); }

/* ---------- Footer ---------- */
footer.site {
  padding: var(--s-6) 0 var(--s-7) 0;
  border-top: 1px solid var(--vault-stroke);
  margin-top: var(--s-5);
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: var(--s-6);
}
footer.site .col h5 {
  margin: 0 0 var(--s-3) 0;
  font: var(--type-caption);
  text-transform: uppercase;
  letter-spacing: var(--tracking-meta);
  color: var(--fg-3);
}
footer.site .col ul {
  list-style: none; padding: 0; margin: 0;
  display: flex; flex-direction: column; gap: var(--s-2);
}
footer.site .col a {
  color: var(--fg-2);
  text-decoration: none;
  font: var(--type-label);
}
footer.site .col a:hover { color: var(--fg-1); }
footer.site .col.about p {
  margin: 0 0 var(--s-3) 0;
  color: var(--fg-2);
  font: 400 13px/20px var(--font-sans);
  max-width: 36ch;
}
footer.site .legal {
  grid-column: 1 / -1;
  padding-top: var(--s-5);
  border-top: 1px solid var(--vault-stroke);
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: var(--s-3);
  font: var(--type-caption);
  color: var(--fg-3);
}
footer.site .legal strong { color: var(--fg-2); font-weight: 500; }

/* ---------- Responsive ---------- */
/* Topnav label switching: long labels on wide screens, short labels on phones. */
.topnav .lbl-m { display: none; }

@media (max-width: 980px) {
  .sub-hero h1 { font-size: 40px; }
  .case-grid { grid-template-columns: 1fr 1fr; }
  .feature-grid { grid-template-columns: 1fr; }
  footer.site { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 700px) {
  .topbar { gap: var(--s-3); }
  .topnav { gap: var(--s-3); }
  .topnav .lbl-d { display: none; }
  .topnav .lbl-m { display: inline; }
}
@media (max-width: 560px) {
  .page { padding: 0 var(--s-4); }
  .sub-hero h1 { font-size: 32px; }
  .section-head h2 { font-size: 22px; line-height: 26px; }
  .cta-block h2 { font-size: 22px; line-height: 26px; }
  .case-grid { grid-template-columns: 1fr; }
  footer.site { grid-template-columns: 1fr; }
  footer.site .col a { display: block; padding: 6px 0; }
  .cta-block { padding: var(--s-5); }
}