:root {
  --ink: #f5f8f7;
  --muted: #aab8b8;
  --surface: #071317;
  --surface-2: #0b1b1f;
  --line: rgba(214, 235, 232, 0.18);
  --accent: #78d8cf;
  --display: Georgia, "Times New Roman", serif;
  --ui: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--surface);
  color: var(--ink);
  font-family: var(--ui);
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; }

.site-header {
  position: absolute;
  z-index: 5;
  inset: 0 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 30px clamp(24px, 5vw, 76px);
}

.brand {
  color: #fff;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.24em;
  text-decoration: none;
}

.header-link {
  border-bottom: 1px solid rgba(255,255,255,.55);
  color: #fff;
  font-size: 13px;
  letter-spacing: .12em;
  padding-bottom: 5px;
  text-decoration: none;
  text-transform: uppercase;
}

.hero {
  min-height: 820px;
  height: 100svh;
  max-height: 1040px;
  overflow: hidden;
  position: relative;
}

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

.hero-shade {
  background:
    linear-gradient(90deg, rgba(3, 9, 11, .92) 0%, rgba(3, 9, 11, .7) 34%, rgba(3, 9, 11, .12) 72%),
    linear-gradient(0deg, rgba(3, 9, 11, .82) 0%, transparent 34%);
  inset: 0;
  position: absolute;
}

.hero-content {
  left: clamp(24px, 8vw, 132px);
  max-width: 680px;
  position: absolute;
  top: 50%;
  transform: translateY(-44%);
}

.brand-line,
.section-label {
  color: var(--accent);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .22em;
  margin: 0 0 24px;
  text-transform: uppercase;
}

h1,
h2 {
  font-family: var(--display);
  font-weight: 400;
  letter-spacing: -.04em;
  margin: 0;
}

h1 {
  font-size: clamp(58px, 7.3vw, 116px);
  line-height: .95;
}

.hero-copy {
  color: #d4dddd;
  font-size: clamp(16px, 1.35vw, 20px);
  line-height: 1.6;
  margin: 32px 0 38px;
  max-width: 590px;
}

.primary-button,
.contact-form button {
  align-items: center;
  background: var(--accent);
  border: 1px solid var(--accent);
  color: #051113;
  cursor: pointer;
  display: inline-flex;
  font-family: var(--ui);
  font-size: 13px;
  font-weight: 750;
  justify-content: center;
  letter-spacing: .1em;
  min-height: 52px;
  padding: 0 24px;
  text-decoration: none;
  text-transform: uppercase;
  transition: background .2s ease, color .2s ease;
}

.primary-button:hover,
.contact-form button:hover {
  background: transparent;
  color: var(--accent);
}

.scroll-cue {
  align-items: center;
  bottom: 34px;
  display: flex;
  font-size: 11px;
  gap: 12px;
  letter-spacing: .18em;
  position: absolute;
  right: clamp(24px, 5vw, 76px);
  text-decoration: none;
  text-transform: uppercase;
}

.scroll-cue svg {
  fill: none;
  height: 19px;
  stroke: currentColor;
  stroke-width: 1.5;
  width: 19px;
}

.approach {
  display: grid;
  gap: clamp(30px, 5vw, 80px);
  grid-template-columns: .3fr 1.2fr 1fr;
  margin: 0 auto;
  max-width: 1440px;
  padding: clamp(100px, 12vw, 180px) clamp(24px, 5vw, 76px);
}

.section-number {
  color: #5b7375;
  font-family: var(--display);
  font-size: 30px;
  margin: 7px 0 0;
}

h2 {
  font-size: clamp(42px, 5vw, 74px);
  line-height: 1.06;
}

.approach-copy,
.contact p {
  color: var(--muted);
  font-size: 17px;
  line-height: 1.8;
  margin: 42px 0 0;
}

.principles {
  border-bottom: 1px solid var(--line);
  border-top: 1px solid var(--line);
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  margin: 0 auto;
  max-width: 1440px;
}

.principles article {
  min-height: 330px;
  padding: 58px clamp(30px, 4vw, 58px);
}

.principles article + article { border-left: 1px solid var(--line); }
.principles span { color: var(--accent); font-size: 12px; letter-spacing: .14em; }
.principles h3 { font-family: var(--display); font-size: 32px; font-weight: 400; margin: 54px 0 20px; }
.principles p { color: var(--muted); line-height: 1.7; margin: 0; }

.contact {
  background: var(--surface-2);
  display: grid;
  gap: clamp(48px, 9vw, 140px);
  grid-template-columns: .85fr 1fr;
  padding: clamp(100px, 12vw, 170px) max(clamp(24px, 7vw, 118px), calc((100vw - 1440px) / 2 + 76px));
}

.contact p { max-width: 520px; }

.contact-email {
  color: var(--accent);
  text-decoration-color: rgba(94, 210, 202, .45);
  text-underline-offset: 4px;
}

.contact-email:hover { text-decoration-color: var(--accent); }

.contact-form {
  display: grid;
  gap: 26px;
}

.contact-form label { display: grid; gap: 10px; }
.contact-form label span { color: #c4d0d0; font-size: 12px; letter-spacing: .12em; text-transform: uppercase; }

.contact-form input,
.contact-form textarea {
  background: transparent;
  border: 0;
  border-bottom: 1px solid #466065;
  border-radius: 0;
  color: var(--ink);
  font: 17px/1.5 var(--ui);
  outline: none;
  padding: 10px 0 14px;
  resize: vertical;
}

.contact-form input:focus,
.contact-form textarea:focus { border-color: var(--accent); }
.contact-form button { justify-self: start; margin-top: 10px; }
.form-note { font-size: 13px !important; margin: -8px 0 0 !important; }

footer {
  align-items: center;
  display: flex;
  justify-content: space-between;
  padding: 42px clamp(24px, 5vw, 76px);
}

footer p { color: #829294; font-size: 12px; margin: 0; }

@media (max-width: 820px) {
  .hero { min-height: 720px; }
  .hero-image { object-position: 60% center; }
  .hero-shade { background: linear-gradient(90deg, rgba(3,9,11,.89), rgba(3,9,11,.28)), linear-gradient(0deg, rgba(3,9,11,.88), transparent 50%); }
  .hero-content { top: 47%; transform: translateY(-40%); }
  .hero-copy { max-width: 88%; }
  .approach { grid-template-columns: 1fr; }
  .section-number { display: none; }
  .approach-copy { margin-top: 0; }
  .principles { grid-template-columns: 1fr; }
  .principles article { min-height: 250px; }
  .principles article + article { border-left: 0; border-top: 1px solid var(--line); }
  .contact { grid-template-columns: 1fr; }
}

@media (max-width: 520px) {
  .site-header { padding-top: 22px; }
  h1 { font-size: clamp(50px, 15vw, 72px); }
  .hero-copy { font-size: 16px; }
  .scroll-cue { display: none; }
  .approach, .contact { padding-bottom: 90px; padding-top: 90px; }
  footer { align-items: flex-start; flex-direction: column; gap: 18px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; }
}