/* ============================================================
   Technomark LS — private outreach concept
   Aesthetic: investment-memorandum editorial. Warm ivory paper,
   deep ink navy, brass rule-work. Fraunces + Instrument Sans.
   ============================================================ */

:root {
  --ink: #0e1c26;
  --ink-deep: #0a141c;
  --ink-soft: #16242f;
  --paper: #f5f1e8;
  --paper-deep: #ece5d6;
  --paper-card: #faf7f0;
  --brass: #8a6b33;
  --brass-bright: #c9a45c;
  --slate: #44545e;
  --slate-light: #a8b4ba;
  --line: rgba(14, 28, 38, 0.16);
  --line-dark: rgba(245, 241, 232, 0.16);

  --serif: "Fraunces", "Iowan Old Style", Georgia, serif;
  --sans: "Instrument Sans", "Helvetica Neue", Arial, sans-serif;

  --shell: 1180px;
  --pad: clamp(20px, 4vw, 48px);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

#model, #track, #heritage, #contact { scroll-margin-top: 28px; }

body {
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.65;
  color: var(--ink);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img { max-width: 100%; display: block; }

.shell {
  max-width: var(--shell);
  margin-inline: auto;
  padding-inline: var(--pad);
}

/* ---------- a11y ---------- */
.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 100;
  background: var(--ink);
  color: var(--paper);
  padding: 10px 18px;
  font-weight: 600;
}
.skip-link:focus { left: 12px; top: 12px; }

:focus-visible {
  outline: 2px solid var(--brass);
  outline-offset: 3px;
}

::selection { background: var(--brass-bright); color: var(--ink-deep); }

/* ---------- type primitives ---------- */
.eyebrow {
  font-family: var(--sans);
  font-weight: 600;
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--brass);
}
.eyebrow-light { color: var(--brass-bright); }
.eyebrow-brass { color: var(--brass-bright); }

h1, h2, h3 {
  font-family: var(--serif);
  font-weight: 400;
  line-height: 1.06;
  letter-spacing: -0.01em;
}

h1 {
  font-size: clamp(46px, 6.4vw, 88px);
  font-variation-settings: "opsz" 144;
}
h1 em {
  font-style: italic;
  color: var(--brass-bright);
}

h2 {
  font-size: clamp(34px, 4.2vw, 56px);
  font-variation-settings: "opsz" 110;
}

h3 {
  font-size: 22px;
  line-height: 1.25;
  font-weight: 500;
  font-variation-settings: "opsz" 40;
}

/* ---------- buttons ---------- */
.btn {
  display: inline-block;
  font-family: var(--sans);
  font-weight: 600;
  font-size: 14px;
  letter-spacing: 0.04em;
  text-decoration: none;
  padding: 15px 28px;
  border: 1px solid transparent;
  transition: background-color .25s ease, color .25s ease, border-color .25s ease;
}
.btn-solid {
  background: var(--paper);
  color: var(--ink-deep);
  border-color: var(--paper);
}
.btn-solid:hover {
  background: var(--brass-bright);
  border-color: var(--brass-bright);
  color: var(--ink-deep);
}
.btn-ghost {
  color: var(--paper);
  border-color: rgba(245, 241, 232, 0.45);
}
.btn-ghost:hover {
  border-color: var(--paper);
  background: rgba(245, 241, 232, 0.08);
}
.btn-brass {
  background: var(--brass-bright);
  color: var(--ink-deep);
  border-color: var(--brass-bright);
}
.btn-brass:hover {
  background: var(--paper);
  border-color: var(--paper);
}

/* ============================================================
   CONCEPT BAR
   ============================================================ */
.concept-bar {
  background: var(--ink-deep);
  color: rgba(245, 241, 232, 0.65);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  text-align: center;
  padding: 9px 16px;
  border-bottom: 1px solid rgba(201, 164, 92, 0.25);
  position: relative;
  z-index: 30;
}

/* ============================================================
   HEADER (transparent, sits over hero)
   ============================================================ */
.site-head {
  position: absolute;
  top: 0; /* anchored inside .hero, independent of concept-bar height */
  left: 0;
  right: 0;
  z-index: 20;
  padding-block: 22px;
}
.head-cta .cta-short { display: none; }
.head-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.wordmark {
  font-family: var(--serif);
  font-size: 26px;
  font-weight: 500;
  letter-spacing: -0.01em;
  color: var(--paper);
  text-decoration: none;
}
.wordmark span {
  color: var(--brass-bright);
  font-style: italic;
}
.head-nav {
  display: flex;
  align-items: center;
  gap: 32px;
}
.head-nav a {
  color: rgba(245, 241, 232, 0.82);
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.02em;
  transition: color .2s ease;
}
.head-nav a:hover { color: var(--paper); }
.head-nav .head-cta {
  border: 1px solid rgba(245, 241, 232, 0.4);
  padding: 9px 18px;
  font-weight: 600;
  transition: border-color .2s ease, background-color .2s ease;
}
.head-nav .head-cta:hover {
  border-color: var(--brass-bright);
  background: rgba(201, 164, 92, 0.12);
}

/* ============================================================
   HERO
   ============================================================ */
.hero {
  position: relative;
  background: var(--ink-deep);
  color: var(--paper);
  overflow: hidden;
  padding-top: clamp(150px, 18vh, 200px);
  padding-bottom: clamp(64px, 9vh, 110px);
}
.hero-photo {
  position: absolute;
  inset: 0;
  background: url("assets/images/back_bridge_london2.jpg") center 18% / cover no-repeat;
  filter: grayscale(0.55) brightness(0.62) contrast(1.04);
}
.hero-scrim {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg,
      rgba(10, 20, 28, 0.78) 0%,
      rgba(10, 20, 28, 0.55) 30%,
      rgba(10, 20, 28, 0.68) 62%,
      rgba(10, 20, 28, 0.97) 88%,
      var(--ink-deep) 100%),
    linear-gradient(90deg,
      rgba(10, 20, 28, 0.55) 0%,
      rgba(10, 20, 28, 0.1) 60%);
}
/* fine grain over the photograph */
.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0.5;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3CfeComponentTransfer%3E%3CfeFuncA type='linear' slope='0.05'/%3E%3C/feComponentTransfer%3E%3C/filter%3E%3Crect width='160' height='160' filter='url(%23n)'/%3E%3C/svg%3E");
}

.hero-grid {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(300px, 0.65fr);
  gap: clamp(40px, 6vw, 96px);
  align-items: end;
}

.hero-copy .eyebrow { margin-bottom: 26px; }
.dek {
  margin-top: 28px;
  max-width: 54ch;
  font-size: 19px;
  line-height: 1.6;
  color: rgba(245, 241, 232, 0.85);
}
.cta-row {
  margin-top: 40px;
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

/* term card — the investment summary as a memorandum sheet */
.term-card {
  background: var(--paper-card);
  color: var(--ink);
  padding: 34px 34px 26px;
  border-top: 3px solid var(--brass-bright);
  box-shadow: 0 30px 60px -20px rgba(0, 0, 0, 0.55);
}
.term-card-kicker {
  font-weight: 600;
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--brass);
  margin-bottom: 18px;
}
.term-list { margin: 0; }
.term-row {
  display: grid;
  grid-template-columns: 92px 1fr;
  gap: 16px;
  padding-block: 13px;
  border-top: 1px solid var(--line);
  font-size: 14.5px;
  line-height: 1.5;
}
.term-row dt {
  font-weight: 600;
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--slate);
  padding-top: 2px;
}
.term-row dd { color: var(--ink); }
.term-card-note {
  margin-top: 18px;
  padding-top: 14px;
  border-top: 1px solid var(--line);
  font-size: 12px;
  font-style: italic;
  font-family: var(--serif);
  color: var(--slate);
}

/* ============================================================
   FACT STRIP
   ============================================================ */
.facts {
  background: var(--paper-deep);
  border-bottom: 1px solid var(--line);
  padding-block: clamp(48px, 7vw, 84px) clamp(28px, 4vw, 44px);
}
.facts-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: clamp(24px, 3vw, 40px);
}
.fact {
  border-top: 2px solid var(--ink);
  padding-top: 18px;
}
.fact-num {
  display: block;
  font-family: var(--serif);
  font-size: clamp(44px, 4.6vw, 64px);
  font-weight: 400;
  line-height: 1;
  font-variation-settings: "opsz" 144;
  color: var(--ink);
}
.fact-label {
  display: block;
  margin-top: 12px;
  font-size: 13px;
  line-height: 1.5;
  color: var(--slate);
}
.facts-footnote {
  margin-top: clamp(28px, 4vw, 44px);
  font-family: var(--serif);
  font-style: italic;
  font-size: 13px;
  color: var(--slate);
}

/* ============================================================
   SECTION HEADS
   ============================================================ */
.sec-head { max-width: 760px; }
.sec-head .eyebrow { margin-bottom: 20px; }
.sec-head h2 { color: var(--ink); }
.sec-head-dark h2 { color: var(--paper); }
.sec-dek {
  margin-top: 24px;
  font-size: 17px;
  line-height: 1.65;
  color: var(--slate-light);
  max-width: 62ch;
}

/* ============================================================
   THE MODEL
   ============================================================ */
.model {
  padding-block: clamp(80px, 11vw, 150px);
  background: var(--paper);
}
.model-grid {
  margin-top: clamp(48px, 6vw, 80px);
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(28px, 4vw, 56px);
}
.model-step {
  border-top: 1px solid var(--line);
  padding-top: 26px;
  position: relative;
}
.model-step::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 0;
  width: 48px;
  height: 2px;
  background: var(--brass);
}
.step-index {
  font-family: var(--serif);
  font-style: italic;
  font-size: 16px;
  color: var(--brass);
}
.model-step h3 {
  margin-top: 14px;
  color: var(--ink);
}
.model-step p {
  margin-top: 14px;
  font-size: 15.5px;
  color: var(--slate);
}

.pull-quote {
  margin-top: clamp(64px, 9vw, 120px);
  padding-left: clamp(20px, 6vw, 96px);
  border-left: 2px solid var(--brass);
}
.pull-quote blockquote p {
  font-family: var(--serif);
  font-size: clamp(24px, 2.9vw, 38px);
  font-weight: 400;
  font-style: italic;
  line-height: 1.3;
  color: var(--ink);
  max-width: 26ch;
  font-variation-settings: "opsz" 80;
}
.pull-quote figcaption {
  margin-top: 22px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--slate);
}

/* ============================================================
   TRACK RECORD (dark ledger)
   ============================================================ */
.ledger {
  position: relative;
  background: var(--ink);
  color: var(--paper);
  padding-block: clamp(80px, 11vw, 150px);
  overflow: hidden;
}
/* grain on dark */
.ledger::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0.4;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3CfeComponentTransfer%3E%3CfeFuncA type='linear' slope='0.04'/%3E%3C/feComponentTransfer%3E%3C/filter%3E%3Crect width='160' height='160' filter='url(%23n)'/%3E%3C/svg%3E");
}
.ledger .shell { position: relative; z-index: 2; }

.ledger-grid {
  margin-top: clamp(48px, 6vw, 80px);
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) minmax(260px, 0.7fr);
  gap: clamp(40px, 6vw, 96px);
  align-items: start;
}

.ledger-head {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 24px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--brass-bright);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--brass-bright);
}
.ledger-row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 24px;
  align-items: baseline;
  padding-block: 17px;
  border-bottom: 1px solid var(--line-dark);
  transition: border-color .25s ease;
}
.ledger-row:hover { border-bottom-color: rgba(201, 164, 92, 0.6); }
.ledger-co {
  font-family: var(--serif);
  font-size: clamp(20px, 2vw, 26px);
  font-weight: 400;
  font-variation-settings: "opsz" 60;
  color: var(--paper);
}
.ledger-acq {
  font-size: 15px;
  font-weight: 500;
  color: var(--brass-bright);
  white-space: nowrap;
}
.ledger-acq::before {
  content: "→ ";
  color: rgba(201, 164, 92, 0.55);
}
.ledger-dash {
  color: var(--slate-light);
  font-style: italic;
  font-weight: 400;
}
.ledger-dash::before { content: ""; }

.co-investors {
  border-top: 1px solid var(--line-dark);
  padding-top: 22px;
}
.co-kicker {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--brass-bright);
  margin-bottom: 18px;
}
.co-investors ul { list-style: none; }
.co-investors li {
  padding-block: 10px;
  border-bottom: 1px solid var(--line-dark);
  font-size: 14.5px;
  font-weight: 500;
  color: var(--paper);
  line-height: 1.45;
}
.co-investors li span {
  color: var(--slate-light);
  font-weight: 400;
}
.ledger-footnote {
  position: relative;
  z-index: 2;
  margin-top: clamp(40px, 5vw, 64px);
  font-family: var(--serif);
  font-style: italic;
  font-size: 13px;
  color: var(--slate-light);
}

/* ============================================================
   HERITAGE TIMELINE
   ============================================================ */
.heritage {
  background: var(--paper);
  padding-block: clamp(80px, 11vw, 150px);
}
.timeline {
  margin-top: clamp(48px, 6vw, 80px);
  list-style: none;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: clamp(28px, 3.5vw, 48px);
  counter-reset: tl;
}
.tl-item {
  border-top: 1px solid var(--line);
  padding-top: 24px;
  position: relative;
}
.tl-item::before {
  content: "";
  position: absolute;
  top: -4px;
  left: 0;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--brass);
}
.tl-year {
  font-family: var(--serif);
  font-style: italic;
  font-size: 18px;
  color: var(--brass);
}
.tl-item h3 {
  margin-top: 12px;
  font-size: 20px;
  color: var(--ink);
}
.tl-item p {
  margin-top: 12px;
  font-size: 14.5px;
  color: var(--slate);
}

/* ============================================================
   CONTACT
   ============================================================ */
.contact {
  position: relative;
  background: var(--ink-deep);
  color: var(--paper);
  overflow: hidden;
  padding-block: clamp(90px, 12vw, 160px);
}
.contact-photo {
  position: absolute;
  inset: 0;
  background: url("assets/images/back_bridge_ben2.jpg") center 30% / cover no-repeat;
  filter: grayscale(0.65) brightness(0.5) contrast(1.05);
}
.contact-scrim {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg,
    var(--ink-deep) 0%,
    rgba(10, 20, 28, 0.72) 28%,
    rgba(10, 20, 28, 0.66) 64%,
    var(--ink-deep) 100%);
}
.contact-grid {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(300px, 0.7fr);
  gap: clamp(40px, 6vw, 96px);
  align-items: center;
}
.contact-copy .eyebrow { margin-bottom: 20px; }
.contact-copy h2 { color: var(--paper); }
.contact-dek {
  margin-top: 24px;
  max-width: 50ch;
  color: rgba(245, 241, 232, 0.82);
}
.contact-card {
  background: var(--paper-card);
  color: var(--ink);
  padding: 38px 38px 42px;
  border-top: 3px solid var(--brass-bright);
  box-shadow: 0 30px 60px -20px rgba(0, 0, 0, 0.55);
}
.contact-card-kicker {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--slate);
}
.contact-name {
  margin-top: 18px;
  font-family: var(--serif);
  font-size: 28px;
  font-weight: 400;
  color: var(--ink);
}
.contact-role {
  margin-top: 2px;
  font-size: 14px;
  color: var(--slate);
}
.contact-card .btn {
  margin-top: 26px;
  width: 100%;
  text-align: center;
  font-size: 13.5px;
  padding-inline: 16px;
}

/* ============================================================
   FOOTER
   ============================================================ */
.site-foot {
  background: var(--ink-deep);
  color: var(--slate-light);
  border-top: 1px solid var(--line-dark);
  padding-block: 44px 52px;
}
.foot-grid {
  display: grid;
  grid-template-columns: auto minmax(0, 640px);
  justify-content: space-between;
  gap: 32px;
}
.foot-mark {
  font-family: var(--serif);
  font-size: 21px;
  color: var(--paper);
}
.foot-mark span {
  color: var(--brass-bright);
  font-style: italic;
}
.foot-note {
  font-size: 12.5px;
  line-height: 1.7;
}

/* ============================================================
   REVEALS
   ============================================================ */
@keyframes rise {
  from { opacity: 0; transform: translateY(18px); }
  to { opacity: 1; transform: translateY(0); }
}
.reveal-load {
  opacity: 0;
  animation: rise 0.9s cubic-bezier(0.22, 1, 0.36, 1) forwards;
  animation-delay: var(--d, 0s);
}
.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.8s cubic-bezier(0.22, 1, 0.36, 1), transform 0.8s cubic-bezier(0.22, 1, 0.36, 1);
  transition-delay: var(--d, 0s);
}
.reveal.in {
  opacity: 1;
  transform: translateY(0);
}
/* no-JS and reduced-motion safety */
.no-js .reveal { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal-load { animation: none; opacity: 1; }
  .reveal { opacity: 1; transform: none; transition: none; }
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1020px) {
  .hero-grid { grid-template-columns: 1fr; align-items: start; }
  .term-card { max-width: 560px; }
  .facts-grid { grid-template-columns: repeat(3, 1fr); }
  .model-grid { grid-template-columns: 1fr; gap: 36px; }
  .ledger-grid { grid-template-columns: 1fr; }
  .timeline { grid-template-columns: repeat(2, 1fr); }
  .contact-grid { grid-template-columns: 1fr; }
  .contact-card { max-width: 480px; }
  .foot-grid { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  body { font-size: 16px; }
  .head-nav a:not(.head-cta) { display: none; }
  .head-cta .cta-long { display: none; }
  .head-cta .cta-short { display: inline; }
  .hero { padding-top: 140px; }
  .dek { font-size: 17px; }
  .facts-grid { grid-template-columns: repeat(2, 1fr); }
  .fact:last-child { grid-column: 1 / -1; }
  .term-row { grid-template-columns: 1fr; gap: 4px; }
  .timeline { grid-template-columns: 1fr; }
  .pull-quote { padding-left: 20px; }
  .cta-row .btn { width: 100%; text-align: center; }
  .contact-card { padding: 30px 26px 34px; }
}