:root {
  --black: #000000;
  --stone: #1a1a1a;
  --silver: #e8eaed;
  --muted: #8f959e;
  --line: rgba(255, 255, 255, 0.16);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  background: var(--black);
  color: var(--silver);
  font-family: "Inter", "Avenir Next", "Segoe UI", sans-serif;
  scroll-behavior: smooth;
}

body {
  line-height: 1.5;
  letter-spacing: 0.01em;
}

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

.section-shell {
  width: min(1160px, calc(100% - 3rem));
  margin: 0 auto;
}

.section-frame {
  width: min(1320px, calc(100% - 2rem));
  margin: 1rem auto 0;
  border: 1px solid var(--line);
  border-radius: 14px;
  overflow: hidden;
}

.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  transition: transform 240ms ease;
}

.site-header.is-hidden {
  transform: translateY(-110%);
}

.top-nav {
  width: min(1160px, calc(100% - 2rem));
  margin: 1rem auto 0;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: rgba(9, 9, 9, 0.85);
  backdrop-filter: blur(12px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.85rem 1rem;
}

.brand {
  font-size: 1.35rem;
  font-weight: 600;
  letter-spacing: 0.14em;
}

.nav-links {
  display: flex;
  gap: 1.1rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-links a {
  color: var(--muted);
  font-size: 0.77rem;
  letter-spacing: 0.14em;
  transition: color 180ms ease;
}

.nav-links a:hover,
.nav-links a.is-active {
  color: var(--silver);
}

.nav-toggle {
  display: none;
  border: 1px solid var(--line);
  color: var(--silver);
  background: transparent;
  border-radius: 999px;
  padding: 0.5rem 0.85rem;
  font-size: 0.72rem;
  letter-spacing: 0.1em;
}

.hero {
  margin-top: 6.5rem;
  position: relative;
  min-height: 88vh;
}

.hero-image {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(0, 0, 0, 0.84) 20%, rgba(0, 0, 0, 0.44) 72%),
    linear-gradient(180deg, rgba(0, 0, 0, 0.12), rgba(0, 0, 0, 0.88));
}

.hero-content {
  position: relative;
  z-index: 2;
  width: min(760px, calc(100% - 3rem));
  margin: 0;
  padding: clamp(6rem, 14vh, 9rem) 0 5rem 3rem;
}

.kicker {
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--muted);
  font-size: 0.71rem;
}

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

h1 {
  margin-top: 0.65rem;
  font-size: clamp(2.2rem, 6vw, 4.65rem);
  line-height: 1.08;
  letter-spacing: -0.02em;
  max-width: 12ch;
}

.lead {
  margin-top: 1.15rem;
  color: #cad0d7;
  max-width: 64ch;
}

.lead-sub {
  margin-top: 0.75rem;
  color: #b9c1ca;
  max-width: 64ch;
}

.cta-row {
  margin-top: 2rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 3.15rem;
  padding: 0.78rem 1.4rem;
  border-radius: 999px;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  font-size: 0.72rem;
  border: 1px solid var(--line);
  transition: transform 180ms ease, background-color 180ms ease, color 180ms ease;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn-primary {
  background: #f2f5f8;
  color: #080808;
}

.btn-subtle,
.btn-ghost {
  background: transparent;
  color: var(--silver);
}

.btn-subtle:hover,
.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.08);
}

.signal-list {
  margin: 1.3rem 0 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem 1rem;
}

.signal-list li {
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0.36rem 0.9rem;
  color: #cfd4db;
  font-size: 0.72rem;
  letter-spacing: 0.04em;
}

.services,
.philosophy,
.founder,
.inquire {
  padding: clamp(4.2rem, 7vw, 6.5rem) 0 0;
}

.section-topline p {
  color: var(--muted);
  letter-spacing: 0.18em;
  font-size: 0.72rem;
}

.section-topline h2 {
  margin-top: 0.4rem;
  font-size: clamp(1.8rem, 4vw, 3rem);
  line-height: 1.15;
  letter-spacing: -0.02em;
}

.service-grid {
  margin-top: 1.7rem;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.service-card {
  border: 1px solid var(--line);
  border-radius: 12px;
  overflow: hidden;
  background: #0a0a0a;
  transition: transform 220ms ease, border-color 220ms ease;
}

.service-card:hover {
  transform: translateY(-4px);
  border-color: rgba(255, 255, 255, 0.3);
}

.service-card img {
  width: 100%;
  height: 230px;
  object-fit: cover;
}

.card-content {
  padding: 1.1rem;
}

.card-content h3 {
  font-size: 0.9rem;
  line-height: 1.35;
  letter-spacing: 0.08em;
}

.card-content p {
  margin-top: 0.5rem;
  color: #c2c8cf;
  font-size: 0.93rem;
}

.card-bullets {
  margin: 0.55rem 0 0;
  padding-left: 1.1rem;
  color: #d1d7de;
  font-size: 0.88rem;
}

.card-bullets li + li {
  margin-top: 0.35rem;
}

.chip-link {
  margin-top: 1rem;
  display: inline-flex;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0.38rem 0.75rem;
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  color: #d7dce1;
}

.philosophy-copy {
  margin-top: 1rem;
  font-size: clamp(1.05rem, 1.35vw, 1.42rem);
  line-height: 1.5;
  max-width: 64ch;
  color: #ced3da;
}

.philosophy-subcopy {
  margin-top: 0.6rem;
  color: #b8c0c8;
  font-size: 0.98rem;
  letter-spacing: 0.03em;
}

.pillar-grid {
  margin-top: 1.45rem;
  display: grid;
  gap: 0.8rem;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.pillar-grid article {
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 1rem;
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.03), rgba(255, 255, 255, 0.01));
}

.pillar-grid span {
  color: var(--muted);
  font-size: 0.75rem;
  letter-spacing: 0.14em;
}

.pillar-grid h3 {
  margin-top: 0.25rem;
  font-size: 0.95rem;
  letter-spacing: 0.07em;
}

.founder-layout {
  display: grid;
  align-items: stretch;
  grid-template-columns: minmax(260px, 1fr) minmax(260px, 1fr);
  gap: 1.25rem;
}

.founder figure {
  margin: 0;
  border-radius: 10px;
  border: 1px solid var(--line);
  overflow: hidden;
}

.founder figure img {
  display: block;
  width: 100%;
  height: 100%;
  min-height: 420px;
  object-fit: cover;
}

.founder-copy {
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #0b0b0b;
  padding: clamp(1.25rem, 3.2vw, 2rem);
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.founder-copy h2 {
  margin-top: 0.4rem;
  font-size: clamp(1.65rem, 3vw, 2.4rem);
}

.founder-copy p {
  margin-top: 0.9rem;
  color: #c5cbd2;
  max-width: 48ch;
}

.founder-copy .btn {
  margin-top: 1.4rem;
  align-self: flex-start;
}

.qualification-list {
  margin: 1rem 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.45rem 0.8rem;
}

.qualification-list li {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 0.4rem 0.55rem;
  font-size: 0.77rem;
  color: #d2d7de;
}

.inquire-box {
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: clamp(1.5rem, 4vw, 2.5rem);
  background:
    linear-gradient(160deg, rgba(255, 255, 255, 0.04), rgba(255, 255, 255, 0.01)),
    #0b0b0b;
}

.inquire-box h2 {
  margin-top: 0.35rem;
  font-size: clamp(1.7rem, 4vw, 2.85rem);
  letter-spacing: -0.02em;
}

.inquire-box p {
  margin-top: 0.9rem;
  color: #c7cdd4;
}

.inquire-box .btn {
  margin-top: 1.25rem;
}

.site-footer {
  width: min(1160px, calc(100% - 3rem));
  margin: 5rem auto 2rem;
  border-top: 1px solid var(--line);
  padding-top: 1rem;
  color: var(--muted);
  font-size: 0.8rem;
}

.floating-cta {
  position: fixed;
  right: 1rem;
  bottom: 1rem;
  z-index: 110;
  border: 1px solid var(--line);
  background: rgba(0, 0, 0, 0.9);
  border-radius: 999px;
  padding: 0.72rem 1.05rem;
  letter-spacing: 0.12em;
  font-size: 0.68rem;
}

@media (max-width: 920px) {
  .nav-toggle {
    display: inline-flex;
  }

  .nav-links {
    position: absolute;
    right: 1rem;
    top: calc(100% + 0.65rem);
    width: min(290px, calc(100vw - 2rem));
    background: rgba(10, 10, 10, 0.97);
    border: 1px solid var(--line);
    border-radius: 10px;
    padding: 0.75rem;
    flex-direction: column;
    gap: 0.5rem;
    transform-origin: top right;
    transform: scale(0.96);
    opacity: 0;
    visibility: hidden;
    transition: all 140ms ease;
  }

  .nav-links.is-open {
    opacity: 1;
    visibility: visible;
    transform: scale(1);
  }

  .nav-links a {
    padding: 0.45rem 0.35rem;
    display: block;
  }

  .hero-content {
    width: calc(100% - 2rem);
    padding: 5.75rem 0 3.8rem 1rem;
  }

  .service-grid,
  .pillar-grid {
    grid-template-columns: 1fr;
  }

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

  .qualification-list {
    grid-template-columns: 1fr;
  }
}