:root {
  --teal: #3dbdb8;
  --teal-dark: #2a8a86;
  --ink: #1a1f23;
  --ink-soft: #3a4248;
  --muted: #6b757c;
  --bg: #ffffff;
  --bg-soft: #f5f6f7;
  --bg-dark: #1a1f23;
  --border: #e6e8ea;
  --max: 1140px;
  --pad: clamp(20px, 4vw, 40px);
  --shadow-sm: 0 1px 2px rgba(0,0,0,.04), 0 1px 3px rgba(0,0,0,.06);
  --shadow-md: 0 4px 12px rgba(0,0,0,.05), 0 12px 32px rgba(0,0,0,.06);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: 'Inter', system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img { max-width: 100%; height: auto; display: block; }
a { color: var(--teal-dark); text-decoration: none; }
a:hover { text-decoration: underline; }

.container {
  width: 100%;
  max-width: var(--max);
  margin: 0 auto;
  padding-left: var(--pad);
  padding-right: var(--pad);
}

/* ----- Header ----- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255,255,255,.92);
  backdrop-filter: saturate(140%) blur(10px);
  border-bottom: 1px solid var(--border);
}
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}
.brand img { height: 44px; width: auto; }
.nav-links {
  display: flex;
  gap: 28px;
  list-style: none;
  margin: 0;
  padding: 0;
}
.nav-links a {
  color: var(--ink-soft);
  font-weight: 500;
  font-size: 15px;
  letter-spacing: .01em;
}
.nav-links a:hover { color: var(--teal-dark); text-decoration: none; }

@media (max-width: 640px) {
  .nav-links { display: none; }
}

/* ----- Typography ----- */
h1, h2, h3 {
  font-family: 'Playfair Display', Georgia, serif;
  color: var(--ink);
  letter-spacing: -.01em;
  line-height: 1.15;
  margin: 0 0 .5em;
}
h1 { font-size: clamp(36px, 5.5vw, 60px); font-weight: 700; }
h2 { font-size: clamp(28px, 3.6vw, 40px); font-weight: 600; }
h3 { font-size: 20px; font-weight: 600; font-family: 'Inter', sans-serif; }

p { margin: 0 0 1em; }
.eyebrow {
  text-transform: uppercase;
  letter-spacing: .18em;
  font-size: 12px;
  font-weight: 600;
  color: var(--teal-dark);
  margin: 0 0 16px;
}
.eyebrow-on-dark { color: var(--teal); }
.lede { font-size: 18px; color: var(--ink-soft); max-width: 60ch; }
.lede-on-dark { color: rgba(255,255,255,.85); }

em { color: var(--muted); font-style: italic; font-size: .9em; }

/* ----- Buttons ----- */
.btn {
  display: inline-block;
  padding: 14px 26px;
  border-radius: 4px;
  font-weight: 600;
  font-size: 15px;
  letter-spacing: .02em;
  transition: transform .15s ease, background .15s ease, color .15s ease;
  cursor: pointer;
  border: 1px solid transparent;
}
.btn:hover { text-decoration: none; transform: translateY(-1px); }
.btn-primary {
  background: var(--teal);
  color: #fff;
}
.btn-primary:hover { background: var(--teal-dark); }
.btn-ghost {
  background: transparent;
  color: var(--ink);
  border-color: var(--border);
}
.btn-ghost:hover { border-color: var(--teal); color: var(--teal-dark); }
.cta-row { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 32px; }

/* ----- Hero ----- */
.hero {
  position: relative;
  padding: clamp(80px, 12vw, 140px) 0 clamp(80px, 12vw, 140px);
  background:
    radial-gradient(1100px 600px at 80% -10%, rgba(61,189,184,.12), transparent 60%),
    linear-gradient(180deg, #fafbfc 0%, #ffffff 100%);
  border-bottom: 1px solid var(--border);
}
.hero-inner { max-width: 820px; }

/* ----- Sections ----- */
.section { padding: clamp(72px, 10vw, 120px) 0; }
.section-light { background: var(--bg); }
.section-light + .section-light { border-top: 1px solid var(--border); }

.section-dark {
  background: var(--bg-dark);
  color: rgba(255,255,255,.9);
}
.section-dark h2, .section-dark h3 { color: #fff; }
.section-dark p { color: rgba(255,255,255,.75); }
.section-dark em { color: rgba(255,255,255,.5); }

.section-accent {
  background: linear-gradient(135deg, #1a1f23 0%, #243033 100%);
  color: #fff;
}
.section-accent h2 { color: #fff; }

/* ----- Two column ----- */
.two-col {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: clamp(40px, 6vw, 80px);
  align-items: start;
}
@media (max-width: 800px) {
  .two-col { grid-template-columns: 1fr; }
}
.prose p { color: var(--ink-soft); font-size: 17px; }

/* ----- Card grid ----- */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
  margin-top: 48px;
}
.card {
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.08);
  padding: 32px;
  border-radius: 8px;
  transition: border-color .2s ease, transform .2s ease;
}
.card:hover {
  border-color: var(--teal);
  transform: translateY(-2px);
}
.card-icon {
  width: 44px;
  height: 44px;
  color: var(--teal);
  margin-bottom: 20px;
}
.card-icon svg { width: 100%; height: 100%; stroke-linecap: round; stroke-linejoin: round; }

/* ----- Project grid (Strategy section) ----- */
.section-lede { max-width: 70ch; margin-bottom: 8px; }

.project-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin-top: 56px;
}
@media (max-width: 720px) {
  .project-grid { grid-template-columns: 1fr; }
}
.project-card {
  position: relative;
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.08);
  padding: 36px 32px 32px;
  border-radius: 8px;
  transition: border-color .2s ease, transform .2s ease, background .2s ease;
}
.project-card:hover {
  border-color: var(--teal);
  background: rgba(61,189,184,.05);
  transform: translateY(-2px);
}
.project-num {
  display: block;
  font-family: 'Playfair Display', serif;
  font-size: 28px;
  font-weight: 600;
  color: var(--teal);
  line-height: 1;
  margin-bottom: 14px;
  letter-spacing: .04em;
}
.project-card h3 {
  color: #fff;
  font-size: 22px;
  margin-bottom: 10px;
}
.project-card p {
  color: rgba(255,255,255,.72);
  font-size: 15.5px;
  margin: 0;
  line-height: 1.6;
}

/* ----- Process (How We Work) ----- */
.process {
  list-style: none;
  padding: 0;
  margin: 56px 0 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  counter-reset: step;
}
@media (max-width: 800px) {
  .process { grid-template-columns: 1fr; gap: 28px; }
}
.process li {
  padding-top: 28px;
  border-top: 2px solid var(--teal);
  position: relative;
}
.process-label {
  display: block;
  text-transform: uppercase;
  letter-spacing: .18em;
  font-size: 11px;
  font-weight: 600;
  color: var(--teal-dark);
  margin-bottom: 12px;
}
.process h3 {
  font-family: 'Playfair Display', serif;
  font-size: 28px;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 10px;
}
.process p {
  color: var(--ink-soft);
  margin: 0;
  font-size: 16px;
}

/* ----- Contact ----- */
.contact-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(40px, 6vw, 72px);
  align-items: start;
}
@media (max-width: 800px) {
  .contact-inner { grid-template-columns: 1fr; }
}
.contact-list {
  list-style: none;
  padding: 0;
  margin: 28px 0 0;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.contact-list li {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 14px;
  align-items: baseline;
  font-size: 16px;
  color: rgba(255,255,255,.9);
}
.contact-list span {
  text-transform: uppercase;
  letter-spacing: .14em;
  font-size: 11px;
  font-weight: 600;
  color: var(--teal);
  min-width: 70px;
}
.contact-list a { color: #fff; border-bottom: 1px solid rgba(255,255,255,.25); }
.contact-list a:hover { border-color: var(--teal); text-decoration: none; }

.contact-form {
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.1);
  border-radius: 8px;
  padding: 32px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.contact-form label {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.contact-form span {
  font-size: 13px;
  font-weight: 500;
  color: rgba(255,255,255,.7);
}
.contact-form input,
.contact-form textarea {
  background: rgba(0,0,0,.2);
  border: 1px solid rgba(255,255,255,.15);
  color: #fff;
  font: inherit;
  padding: 12px 14px;
  border-radius: 4px;
  outline: none;
  transition: border-color .15s ease;
}
.contact-form input:focus,
.contact-form textarea:focus { border-color: var(--teal); }
.contact-form textarea { resize: vertical; min-height: 96px; }
.contact-form button { margin-top: 4px; }

/* ----- Footer ----- */
.site-footer {
  background: #11161a;
  padding: 40px 0;
  color: rgba(255,255,255,.55);
  font-size: 14px;
}
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}
.footer-logo { height: 36px; width: auto; opacity: .9; }