/* ─────────────────────────────────────────────────────────────
   Page 12 — Applications
   ───────────────────────────────────────────────────────────── */

/* Surface-introducing strip — four surfaces overview */
.surface-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  border: 1px solid var(--border-default);
  border-radius: var(--radius-xl);
  overflow: hidden;
}
@media (max-width: 900px) { .surface-strip { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 540px) { .surface-strip { grid-template-columns: 1fr; } }
.surface-strip a {
  padding: 22px 22px 24px;
  border-right: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
  display: flex;
  flex-direction: column;
  gap: 6px;
  cursor: pointer;
  transition: background 160ms ease;
}
.surface-strip a:hover { background: rgba(255,255,255,0.04); }
.surface-strip a:last-child { border-right: 0; }
.surface-strip .n {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--blue-300);
  margin-bottom: 4px;
}
.surface-strip .name {
  font-size: 18px;
  font-weight: 600;
  letter-spacing: -0.012em;
  color: var(--fg-default);
  margin-bottom: 4px;
}
.surface-strip .desc {
  font-size: 12.5px;
  color: var(--fg-muted);
  line-height: 1.5;
}

/* Print — business card front/back */
.print-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}
@media (max-width: 820px) { .print-row { grid-template-columns: 1fr; } }
.card-face {
  aspect-ratio: 85.6 / 54;
  border-radius: var(--radius-md);
  position: relative;
  overflow: hidden;
  border: 1px solid;
  padding: 24px;
  display: flex;
  flex-direction: column;
}
.card-face.front {
  background:
    radial-gradient(ellipse 60% 100% at 100% 100%, rgba(47,55,255,0.22), transparent 60%),
    linear-gradient(180deg, #000000, #050818);
  color: #FFFFFF;
  border-color: rgba(255,255,255,0.10);
  justify-content: space-between;
}
.card-face.front::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image: radial-gradient(circle, rgba(255,255,255,0.5) 0.5px, transparent 0.5px);
  background-size: 180px 180px;
  background-position: 30px 20px;
  opacity: 0.4;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 30%, black, transparent 85%);
}
.card-face.front > * { position: relative; z-index: 1; }
.card-face.front .logo svg, .card-face.front .logo img { height: 28px; width: auto; }
.card-face.front .url {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: rgba(255,255,255,0.55);
}
.card-face.back {
  background: #FFFFFF;
  color: #000;
  border-color: rgba(0,0,0,0.12);
  justify-content: space-between;
}
.card-face.back .who {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.card-face.back .who .nm {
  font-size: 20px;
  font-weight: 600;
  letter-spacing: -0.014em;
}
.card-face.back .who .ttl {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #767781;
}
.card-face.back .contact {
  display: grid;
  gap: 4px;
  font-size: 12px;
  color: #4E4E56;
}
.card-face.back .contact b {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.08em;
  color: #767781;
  text-transform: uppercase;
  font-weight: 400;
  margin-right: 8px;
}
.card-face .scale {
  position: absolute;
  bottom: 8px;
  right: 12px;
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.08em;
  z-index: 2;
}
.card-face.front .scale { color: rgba(255,255,255,0.45); }
.card-face.back .scale { color: #93949D; }

/* Letterhead specimen */
.letterhead {
  border: 1px solid rgba(0,0,0,0.12);
  background: #FFFFFF;
  color: #000;
  border-radius: var(--radius-md);
  padding: 40px 40px 56px;
  aspect-ratio: 210 / 297;
  max-width: 520px;
  margin: 0 auto;
  position: relative;
  overflow: hidden;
}
.letterhead .top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 36px;
  padding-bottom: 18px;
  border-bottom: 1px solid rgba(0,0,0,0.08);
}
.letterhead .top .logo img { height: 24px; }
.letterhead .top .meta {
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.08em;
  color: #767781;
  text-align: right;
  text-transform: uppercase;
  line-height: 1.6;
}
.letterhead h3 {
  font-size: 18px;
  font-weight: 600;
  letter-spacing: -0.012em;
  margin: 0 0 10px;
}
.letterhead p {
  font-size: 11px;
  line-height: 1.6;
  color: #434349;
  margin: 0 0 8px;
}
.letterhead .sig {
  margin-top: auto;
  padding-top: 24px;
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #767781;
  line-height: 1.6;
}
.letterhead .foot {
  position: absolute;
  left: 40px;
  right: 40px;
  bottom: 18px;
  display: flex;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 8px;
  letter-spacing: 0.1em;
  color: #93949D;
  text-transform: uppercase;
  border-top: 1px solid rgba(0,0,0,0.08);
  padding-top: 10px;
}

/* Page wrap for letterhead + caption */
.print-letterhead-wrap {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 32px;
  align-items: center;
}
@media (max-width: 900px) { .print-letterhead-wrap { grid-template-columns: 1fr; } }
.print-letterhead-wrap .note {
  font-size: 14px;
  line-height: 1.6;
  color: var(--fg-secondary);
}
.print-letterhead-wrap .note h4 {
  font-size: 18px;
  font-weight: 600;
  letter-spacing: -0.012em;
  margin: 0 0 8px;
  color: var(--fg-default);
}

/* Social — LinkedIn + 1080×1080 post */
.social-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}
@media (max-width: 900px) { .social-row { grid-template-columns: 1fr; } }
.linkedin-card {
  border-radius: var(--radius-xl);
  overflow: hidden;
  background: #FFFFFF;
  color: #000;
  border: 1px solid rgba(0,0,0,0.08);
}
.linkedin-card .banner {
  height: 140px;
  background:
    radial-gradient(ellipse 60% 100% at 30% 30%, rgba(47,55,255,0.4), transparent 60%),
    linear-gradient(180deg, #000000, #050818);
  position: relative;
  isolation: isolate;
  overflow: hidden;
}
.linkedin-card .banner::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle, rgba(255,255,255,0.55) 0.5px, transparent 0.5px);
  background-size: 140px 140px;
  background-position: 20px 20px;
  opacity: 0.5;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black, transparent);
}
.linkedin-card .banner .orbits {
  position: absolute;
  inset: 0;
}
.linkedin-card .banner .orbits svg { width: 100%; height: 100%; overflow: visible; }
.linkedin-card .body {
  padding: 28px 24px 24px;
  position: relative;
}
.linkedin-card .avatar {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: #FFFFFF;
  border: 4px solid #FFFFFF;
  position: absolute;
  top: -48px;
  left: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 2px 6px rgba(0,0,0,0.10);
  overflow: hidden;
}
.linkedin-card .avatar img { width: 70%; }
.linkedin-card .name {
  font-size: 18px;
  font-weight: 600;
  letter-spacing: -0.012em;
  margin: 28px 0 4px;
}
.linkedin-card .tag {
  font-size: 13px;
  color: #4E4E56;
  margin: 0 0 14px;
  line-height: 1.45;
}
.linkedin-card .meta-row {
  display: flex;
  gap: 14px;
  font-size: 11px;
  color: #767781;
  font-family: var(--font-mono);
  letter-spacing: 0.04em;
  border-top: 1px solid rgba(0,0,0,0.06);
  padding-top: 12px;
}

.social-post {
  aspect-ratio: 1;
  border-radius: var(--radius-xl);
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(ellipse 60% 80% at 80% 20%, rgba(132,82,255,0.35), transparent 60%),
    radial-gradient(ellipse 70% 80% at 20% 90%, rgba(47,55,255,0.30), transparent 60%),
    linear-gradient(180deg, #000000, #050818);
  border: 1px solid rgba(255,255,255,0.10);
  padding: 40px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  isolation: isolate;
}
.social-post::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image: radial-gradient(circle, rgba(255,255,255,0.55) 0.5px, transparent 0.5px);
  background-size: 180px 180px;
  background-position: 20px 20px;
  opacity: 0.5;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black, transparent);
}
.social-post > * { position: relative; z-index: 1; }
.social-post .top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
}
.social-post .top .logo img { height: 22px; }
.social-post .top .ix {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  color: rgba(255,255,255,0.55);
  text-transform: uppercase;
}
.social-post h3 {
  font-size: clamp(28px, 3.5vw, 40px);
  letter-spacing: -0.022em;
  line-height: 1.08;
  font-weight: 600;
  color: #FFFFFF;
  margin: 0;
  text-wrap: balance;
}
.social-post .foot {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  color: rgba(255,255,255,0.55);
  text-transform: uppercase;
}
.social-post .foot b { color: #FFFFFF; font-weight: 500; }

/* Website hero mock */
.web-mock {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  border: 1px solid rgba(255,255,255,0.10);
  background:
    radial-gradient(ellipse 70% 80% at 80% 0%, rgba(47,55,255,0.20), transparent 60%),
    radial-gradient(ellipse 60% 70% at 0% 100%, rgba(132,82,255,0.16), transparent 60%),
    linear-gradient(180deg, #000000, #050818);
  isolation: isolate;
}
.web-mock::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image: radial-gradient(circle, rgba(255,255,255,0.55) 0.5px, transparent 0.5px);
  background-size: 220px 220px;
  background-position: 30px 20px;
  opacity: 0.5;
  mask-image: radial-gradient(ellipse 90% 80% at 50% 30%, black, transparent 90%);
}
.web-mock .topnav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 36px;
  border-bottom: 1px solid rgba(255,255,255,0.06);
  position: relative;
  z-index: 1;
}
.web-mock .topnav .logo img { height: 22px; }
.web-mock .topnav .links {
  display: flex;
  gap: 26px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: rgba(255,255,255,0.55);
  text-transform: uppercase;
}
.web-mock .topnav .cta {
  background: #FFFFFF;
  color: #000;
  padding: 8px 14px;
  font-size: 12px;
  border-radius: 4px;
  font-weight: 500;
}
.web-mock .hero {
  padding: 80px 60px 100px;
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 48px;
  align-items: center;
  position: relative;
  z-index: 1;
  border-bottom: 0;
}
@media (max-width: 900px) {
  .web-mock .hero { grid-template-columns: 1fr; padding: 48px 28px 60px; gap: 32px; }
  .web-mock .topnav .links { display: none; }
}
.web-mock .hero .lead .ey {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--blue-300);
  margin-bottom: 18px;
}
.web-mock .hero h1 {
  font-size: clamp(36px, 4.5vw, 64px);
  letter-spacing: -0.032em;
  line-height: 1.02;
  font-weight: 600;
  margin: 0 0 18px;
  color: #FFFFFF;
  text-wrap: balance;
}
.web-mock .hero p {
  font-size: 16px;
  color: rgba(255,255,255,0.78);
  line-height: 1.55;
  margin: 0 0 28px;
  max-width: 44ch;
}
.web-mock .hero .ctas { display: flex; gap: 10px; }
.web-mock .hero .ctas .btn-w {
  background: #FFFFFF; color: #000;
  padding: 12px 20px; font-size: 13.5px;
  font-weight: 500; border-radius: 4px;
  display: inline-flex; align-items: center; gap: 6px;
}
.web-mock .hero .ctas .btn-o {
  background: transparent; color: #FFF;
  border: 1px solid rgba(255,255,255,0.22);
  padding: 12px 20px; font-size: 13.5px;
  font-weight: 500; border-radius: 4px;
}
.web-mock .hero .orb-art {
  position: relative;
  aspect-ratio: 1;
  max-width: 380px;
  width: 100%;
  margin: 0 auto;
}
.web-mock .hero .orb-art svg {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  overflow: visible;
}

/* Product UI mock — Vital Signs */
.product-mock {
  border-radius: var(--radius-xl);
  overflow: hidden;
  border: 1px solid rgba(0,0,0,0.08);
  background: #FFFFFF;
  color: #000;
}
.product-mock .pchrome {
  padding: 12px 18px;
  background: #F7F7F8;
  border-bottom: 1px solid rgba(0,0,0,0.06);
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: #767781;
  letter-spacing: 0.04em;
}
.product-mock .pchrome .dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #DADADD;
}
.product-mock .pchrome .url {
  margin-left: 14px;
  color: #4E4E56;
}
.product-mock .pbody {
  display: grid;
  grid-template-columns: 220px 1fr;
}
@media (max-width: 900px) { .product-mock .pbody { grid-template-columns: 1fr; } }
.product-mock .pside {
  border-right: 1px solid rgba(0,0,0,0.06);
  padding: 20px 16px;
  font-size: 13px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.product-mock .pside .sec {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #767781;
  margin: 14px 8px 6px;
}
.product-mock .pside .sec:first-child { margin-top: 0; }
.product-mock .pside .nv {
  padding: 8px 10px;
  border-radius: 4px;
  color: #4E4E56;
}
.product-mock .pside .nv.active { background: #000000; color: #FFFFFF; }
.product-mock .pmain {
  padding: 32px 36px 40px;
  background: #FFFFFF;
}
.product-mock .pmain .crumbs {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.08em;
  color: #767781;
  text-transform: uppercase;
  margin-bottom: 14px;
}
.product-mock .pmain h2 {
  font-size: 28px;
  font-weight: 600;
  letter-spacing: -0.018em;
  margin: 0 0 6px;
}
.product-mock .pmain .sub {
  color: #4E4E56;
  font-size: 14px;
  margin: 0 0 28px;
}
.product-mock .pmain .pcards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-bottom: 20px;
}
@media (max-width: 720px) { .product-mock .pmain .pcards { grid-template-columns: 1fr; } }
.product-mock .pmain .pcard {
  background: #FAFAFB;
  border: 1px solid rgba(0,0,0,0.06);
  border-radius: var(--radius-lg);
  padding: 16px 18px 18px;
}
.product-mock .pmain .pcard .lbl {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  color: #767781;
  text-transform: uppercase;
  margin-bottom: 4px;
}
.product-mock .pmain .pcard .v {
  font-size: 26px;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: #000;
  line-height: 1.1;
}
.product-mock .pmain .pcard .trend {
  font-family: var(--font-mono);
  font-size: 11px;
  color: #767781;
  display: flex;
  justify-content: space-between;
  margin-top: 8px;
}
.product-mock .pmain .pcard .trend .up { color: #1A7B2E; }
.product-mock .pmain .ribbon {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 18px;
  background: #FAFAFB;
  border: 1px solid rgba(0,0,0,0.06);
  border-radius: var(--radius-lg);
  border-left: 3px solid #1A3CB3;
}
.product-mock .pmain .ribbon .txt {
  font-size: 13px;
  color: #4E4E56;
}
.product-mock .pmain .ribbon .txt b {
  color: #000;
  font-weight: 500;
}
.product-mock .pmain .ribbon button {
  background: #000;
  color: #FFF;
  border: 0;
  padding: 9px 14px;
  font-size: 12.5px;
  font-weight: 500;
  border-radius: 4px;
  cursor: pointer;
}