:root {
  --paper: #f6f4ee;
  --surface: #fffcf5;
  --ink: #171a1d;
  --muted: #626a6d;
  --soft: #e7e2d7;
  --line: rgba(23, 26, 29, 0.13);
  --accent: #0f6f66;
  --accent-soft: #d8ebe6;
  --charcoal: #202528;
  --white: #ffffff;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: "Inter", Arial, sans-serif;
  letter-spacing: 0;
}

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

a {
  color: inherit;
  text-decoration: none;
}

.site-header {
  position: fixed;
  z-index: 20;
  top: 0;
  left: 0;
  right: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 18px clamp(20px, 4vw, 56px);
  color: var(--white);
  transition: background 180ms ease, color 180ms ease, border-color 180ms ease;
}

.site-header.is-scrolled {
  color: var(--ink);
  background: rgba(246, 244, 238, 0.92);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-size: 0.95rem;
  font-weight: 800;
}

.brand-mark {
  position: relative;
  display: block;
  width: 54px;
  height: 38px;
  overflow: hidden;
}

.brand-logo {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.brand-logo-light {
  opacity: 0;
}

.site-header.is-scrolled .brand-logo-dark {
  opacity: 0;
}

.site-header.is-scrolled .brand-logo-light {
  opacity: 1;
}

.nav {
  display: flex;
  align-items: center;
  gap: clamp(14px, 2.2vw, 28px);
  font-size: 0.92rem;
  font-weight: 700;
}

.menu-toggle {
  display: none;
  place-items: center;
  width: 42px;
  height: 42px;
  padding: 0;
  border: 1px solid rgba(255, 255, 255, 0.34);
  border-radius: 7px;
  color: inherit;
  background: rgba(255, 255, 255, 0.08);
  cursor: pointer;
}

.menu-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  margin: 2px 0;
  background: currentColor;
  border-radius: 999px;
  transition: transform 160ms ease, opacity 160ms ease;
}

.site-header.is-scrolled .menu-toggle {
  border-color: var(--line);
  background: rgba(255, 255, 255, 0.58);
}

.site-header.is-menu-open .menu-toggle span:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}

.site-header.is-menu-open .menu-toggle span:nth-child(2) {
  opacity: 0;
}

.site-header.is-menu-open .menu-toggle span:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

.nav a,
.product-menu span {
  opacity: 0.84;
  text-shadow: 0 1px 18px rgba(0, 0, 0, 0.24);
}

.site-header.is-scrolled .nav a,
.site-header.is-scrolled .product-menu span {
  text-shadow: none;
}

.nav a:hover {
  opacity: 1;
}

.nav-product {
  position: relative;
  padding: 12px 0;
}

.product-menu {
  position: absolute;
  top: 100%;
  left: 50%;
  display: grid;
  min-width: 170px;
  padding: 8px;
  color: var(--ink);
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(246, 244, 238, 0.96);
  box-shadow: 0 18px 50px rgba(23, 26, 29, 0.16);
  opacity: 0;
  pointer-events: none;
  transform: translate(-50%, -8px);
  transition: opacity 160ms ease, transform 160ms ease;
  backdrop-filter: blur(18px);
}

.nav-product:hover .product-menu,
.nav-product:focus-within .product-menu {
  opacity: 1;
  pointer-events: auto;
  transform: translate(-50%, 0);
}

.product-menu a,
.product-menu span {
  padding: 10px 12px;
  border-radius: 6px;
  font-size: 0.9rem;
  text-shadow: none;
}

.product-menu a:hover {
  background: var(--accent-soft);
}

.product-menu span {
  color: var(--muted);
  cursor: default;
  opacity: 0.58;
}

.hero {
  position: relative;
  min-height: 94vh;
  display: grid;
  align-items: end;
  overflow: hidden;
  padding: 124px clamp(20px, 4vw, 56px) 56px;
  color: var(--white);
  background: var(--charcoal);
}

.hero-image,
.hero-shade {
  position: absolute;
  inset: 0;
}

.hero-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 58% center;
}

.hero-shade {
  background:
    linear-gradient(90deg, rgba(30, 34, 35, 0.9) 0%, rgba(30, 34, 35, 0.66) 44%, rgba(30, 34, 35, 0.2) 100%),
    linear-gradient(0deg, rgba(30, 34, 35, 0.64) 0%, rgba(30, 34, 35, 0.04) 54%);
}

.hero-inner {
  position: relative;
  z-index: 2;
  width: min(900px, 100%);
}

.eyebrow {
  margin: 0 0 16px;
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 800;
  text-transform: uppercase;
}

.hero .eyebrow,
.founders .eyebrow,
.closing .eyebrow {
  color: #9bd8cf;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 850px;
  margin-bottom: 26px;
  font-size: clamp(3rem, 6vw, 5.8rem);
  line-height: 0.98;
  font-weight: 800;
}

h2 {
  margin-bottom: 22px;
  font-size: clamp(2.25rem, 4.8vw, 5rem);
  line-height: 0.98;
  font-weight: 800;
}

h3 {
  margin-bottom: 10px;
  font-size: 1.18rem;
}

p {
  color: var(--muted);
  font-size: 1.05rem;
  line-height: 1.68;
}

.hero-copy {
  max-width: 690px;
  color: rgba(255, 255, 255, 0.82);
  font-size: clamp(1.12rem, 1.7vw, 1.32rem);
}

.hero-footnote {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 36px;
  color: rgba(255, 255, 255, 0.86);
  font-weight: 700;
}

.hero-footnote span {
  padding: 11px 14px;
  border: 1px solid rgba(255, 255, 255, 0.28);
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.08);
}

.section {
  padding: clamp(78px, 10vw, 140px) clamp(20px, 4vw, 56px);
}

.section-inner {
  width: min(1160px, 100%);
  margin: 0 auto;
}

.thesis {
  background: var(--surface);
}

.thesis-layout,
.platform-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(320px, 0.76fr);
  gap: clamp(38px, 7vw, 96px);
  align-items: start;
}

.prose p:first-child,
.section-heading p,
.platform-layout p,
.closing-inner p {
  font-size: clamp(1.1rem, 1.8vw, 1.28rem);
}

.markets {
  background: var(--paper);
}

.section-heading {
  max-width: 880px;
  margin-bottom: 48px;
}

.market-list,
.product-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap: 1px;
  border: 1px solid var(--line);
  background: var(--line);
}

.market-list article,
.product-row article {
  min-height: 238px;
  padding: 28px;
  background: var(--surface);
}

.market-list span {
  display: block;
  margin-bottom: 54px;
  color: var(--accent);
  font-weight: 800;
}

.market-list p,
.product-row p {
  font-size: 0.97rem;
}

.founders,
.closing {
  color: var(--white);
  background: var(--charcoal);
}

.founders p,
.closing p {
  color: rgba(255, 255, 255, 0.72);
}

.founders-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.78fr) minmax(330px, 0.9fr);
  gap: clamp(38px, 7vw, 96px);
  align-items: start;
}

.founders-intro {
  position: sticky;
  top: 118px;
}

.founder-line {
  margin-bottom: 20px;
  color: #9bd8cf;
  font-size: clamp(1.1rem, 1.8vw, 1.32rem);
  font-weight: 800;
  line-height: 1.4;
}

.founder-column {
  display: grid;
  gap: 16px;
}

.founder-column article {
  display: grid;
  grid-template-columns: 116px minmax(0, 1fr);
  gap: 24px;
  align-items: start;
  padding: 28px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.045);
}

.founder-photo {
  width: 116px;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  border: 0;
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.06);
  filter: saturate(0.92) contrast(1.02);
}

.role {
  margin-bottom: 8px;
  color: #9bd8cf;
  font-size: 0.76rem;
  font-weight: 800;
  line-height: 1.2;
  text-transform: uppercase;
}

.founder-thesis {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  margin-top: 8px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  background: rgba(255, 255, 255, 0.16);
}

.founder-thesis span,
.founder-thesis strong {
  padding: 22px;
  background: #2a3033;
  font-size: clamp(1.05rem, 1.7vw, 1.35rem);
}

.founder-thesis strong {
  color: #9bd8cf;
}

.platform {
  background: var(--surface);
}

.architecture {
  display: grid;
  gap: 10px;
}

.architecture div {
  padding: 18px 20px;
  border: 1px solid var(--line);
  border-left: 4px solid var(--accent);
  border-radius: 8px;
  background: var(--white);
  font-weight: 800;
}

.product-row {
  margin-top: 46px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  align-items: stretch;
}

.product-row article {
  min-height: 175px;
  padding: 24px;
}

.product-row article:last-child {
  color: var(--white);
  background: var(--charcoal);
}

.product-row article:last-child p {
  color: rgba(255, 255, 255, 0.72);
}

.product-row .product-card-clickable {
  padding: 0;
  min-height: 175px;
}

.product-card-clickable a {
  display: block;
  height: 100%;
  min-height: 175px;
  padding: 24px;
  transition: background 160ms ease, color 160ms ease;
}

.product-card-clickable a:hover {
  color: var(--white);
  background: var(--accent);
}

.product-card-clickable a:hover p {
  color: rgba(255, 255, 255, 0.78);
}

.closing-inner {
  max-width: 940px;
  text-align: center;
}

.closing-inner h2,
.closing-inner p {
  margin-left: auto;
  margin-right: auto;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  margin-top: 34px;
}

.contact-details {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  margin-top: 28px;
}

.contact-details a {
  display: inline-flex;
  align-items: center;
  min-height: 42px;
  padding: 10px 14px;
  color: rgba(255, 255, 255, 0.88);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 7px;
  background: rgba(255, 255, 255, 0.06);
  font-weight: 800;
}

.contact-details a:hover {
  color: var(--white);
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  padding: 14px 22px;
  border-radius: 7px;
  font-weight: 800;
  transition: transform 160ms ease, background 160ms ease, color 160ms ease;
}

.button:hover {
  transform: translateY(-1px);
}

.button.primary {
  color: var(--white);
  background: var(--accent);
}

.button.secondary {
  color: var(--white);
  border: 1px solid rgba(255, 255, 255, 0.32);
}

.footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 26px clamp(20px, 4vw, 56px);
  color: rgba(255, 255, 255, 0.68);
  background: var(--charcoal);
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  font-size: 0.92rem;
}

.footer-logo {
  display: block;
  width: 126px;
}

.footer-logo img {
  width: 100%;
  height: auto;
}

@media (max-width: 900px) {
  .site-header {
    align-items: center;
  }

  .menu-toggle {
    display: grid;
    position: relative;
    z-index: 31;
  }

  .nav {
    position: fixed;
    z-index: 30;
    top: 70px;
    left: 18px;
    right: 18px;
    display: grid;
    gap: 0;
    padding: 10px;
    color: var(--ink);
    border: 1px solid var(--line);
    border-radius: 8px;
    background: rgba(246, 244, 238, 0.97);
    box-shadow: 0 18px 50px rgba(23, 26, 29, 0.2);
    opacity: 0;
    pointer-events: none;
    transform: translateY(-8px);
    transition: opacity 160ms ease, transform 160ms ease;
    backdrop-filter: blur(18px);
  }

  .site-header.is-menu-open .nav {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
  }

  .nav a,
  .product-menu span {
    padding: 12px;
    text-shadow: none;
  }

  .nav-product {
    padding: 0;
  }

  .product-menu {
    position: static;
    min-width: 0;
    margin: 0 0 4px 12px;
    padding: 0;
    border: 0;
    box-shadow: none;
    opacity: 1;
    pointer-events: auto;
    transform: none;
    background: transparent;
    backdrop-filter: none;
  }

  .hero {
    min-height: 88vh;
  }

  .thesis-layout,
  .platform-layout,
  .founders-grid {
    grid-template-columns: 1fr;
  }

  .founders-intro {
    position: static;
  }

  .founder-thesis {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 620px) {
  .site-header {
    padding: 14px 18px;
  }

  .brand-mark {
    width: 48px;
    height: 34px;
  }

  .hero {
    padding: 96px 18px 44px;
  }

  h1 {
    font-size: clamp(2.55rem, 12vw, 3.6rem);
  }

  h2 {
    font-size: clamp(2.1rem, 10vw, 3.35rem);
  }

  .section {
    padding: 68px 18px;
  }

  .market-list article {
    min-height: auto;
  }

  .product-row {
    grid-template-columns: 1fr;
  }

  .market-list span {
    margin-bottom: 28px;
  }

  .founder-column article {
    grid-template-columns: 86px minmax(0, 1fr);
    gap: 16px;
    padding: 22px;
  }

  .founder-photo {
    width: 86px;
  }

  .hero-footnote,
  .actions,
  .contact-details {
    display: grid;
  }

  .button {
    width: 100%;
  }

  .footer {
    flex-direction: column;
  }
}