:root {
  --bg:        #F5F3EF;
  --ink:       #000000;
  --muted:     #595959; /* #595959 on #F5F3EF = 7.0:1 ✓ WCAG AA */
  --rule:      #DEDEDE;
  --blue:      #0a78ff;
  --serif:     'Newsreader', Georgia, serif;
  --sans:      'Inter', system-ui, sans-serif;
  /* Dark-section palette — all values verified against #000 background */
  --dk-hi:     #ffffff;                  /* 21:1  — headings          */
  --dk-body:   rgba(255,255,255,0.82);   /* 14:1  — body copy         */
  --dk-muted:  rgba(255,255,255,0.62);   /*  7.7:1 — secondary text   */
  --dk-faint:  rgba(255,255,255,0.55);   /*  6.3:1 — labels/numbers   */
  --dk-rule:   rgba(255,255,255,0.10);
}

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

html { font-size: 16px; scroll-behavior: smooth; font-optical-sizing: auto; }

body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-weight: 400;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ── 12-col grid container ───────────────────────────────── */

.container {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  column-gap: 24px;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 56px;
}

/* ── Sections ────────────────────────────────────────────── */

.section {
  padding: 120px 0;
  border-top: 1px solid var(--rule);
}

#perspective,
#cycle,
#contact {
  scroll-margin-top: 72px;
}

.divider {
  grid-column: 1 / -1;
  border: none;
  border-top: 1px solid var(--rule);
  margin: 80px 0;
}

.cycle-section .divider {
  border-color: var(--dk-rule);
}

/* ── Nav ────────────────────────────────────────────────── */

nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 24px 56px;
  background: rgba(245, 243, 239, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.nav-wordmark {
  font-family: var(--serif);
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--ink);
  text-decoration: none;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-link {
  font-size: 0.6875rem;
  font-weight: 400;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
  text-decoration: none;
  transition: color 0.2s;
}

.nav-link:hover { color: var(--ink); }

/* ── Labels ─────────────────────────────────────────────── */

.label {
  grid-column: 1 / -1;
  font-size: 0.6875rem;
  font-weight: 400;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--ink);
  margin-bottom: 48px;
}

/* ── Hero ───────────────────────────────────────────────── */

.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding-top: 100px;
  padding-bottom: 96px;
}

.hero-headline {
  grid-column: 1 / 11;
  font-family: var(--serif);
  font-size: clamp(2.75rem, 5.5vw, 5.25rem);
  font-optical-sizing: none;
  font-variation-settings: 'opsz' 72, 'wght' 600;
  line-height: 1.06;
  letter-spacing: -0.022em;
  text-wrap: balance;
  margin-bottom: 48px;
}

.hero-sub {
  grid-column: 1 / 7;
  display: flex;
  flex-direction: column;
  gap: 0.55em;
  font-size: 1rem;
  font-weight: 400;
  color: var(--muted);
  line-height: 1.65;
}

/* ── Perspective section ─────────────────────────────────── */

.persp-intro {
  grid-column: 1 / 10;
  font-family: var(--serif);
  font-size: clamp(1.5rem, 2.5vw, 2.25rem);
  font-weight: 700;
  line-height: 1.14;
  letter-spacing: -0.01em;
  text-wrap: balance;
  margin-bottom: 56px;
}

.persp-body {
  grid-column: 5 / 13;
  display: flex;
  flex-direction: column;
  gap: 0.75em;
  margin-bottom: 72px;
}

.persp-body p {
  font-size: 1rem;
  font-weight: 400;
  line-height: 1.7;
  color: var(--muted);
  text-wrap: pretty;
}

.persp-body p.accent {
  font-family: var(--serif);
  font-size: 1.4375rem;
  font-weight: 600;
  line-height: 1.25;
  letter-spacing: -0.01em;
  color: var(--ink);
  text-wrap: balance;
  margin: 0.35em 0;
}

.persp-close {
  grid-column: 1 / 10;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.persp-close p {
  font-family: var(--serif);
  font-size: clamp(1.375rem, 2.25vw, 1.875rem);
  font-weight: 700;
  line-height: 1.3;
  color: var(--ink);
}

.persp-close p:last-child {
  color: var(--muted);
}

/* ── Cycle (dark) ────────────────────────────────────────── */

.cycle-section {
  background: #000;
  padding: 120px 0;
}

.cycle-section .label {
  color: var(--dk-faint);
}

.cycle-intro {
  grid-column: 1 / 8;
  font-family: var(--serif);
  font-size: clamp(1.125rem, 1.75vw, 1.625rem);
  font-weight: 400;
  line-height: 1.42;
  color: var(--dk-muted);
  text-wrap: balance;
  margin-bottom: 72px;
}

.cycle-phases {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--dk-rule);
}

.cycle-phase {
  background: #000;
  padding: 52px 40px;
}

.phase-number {
  font-size: 0.625rem;
  font-weight: 400;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--dk-faint);
  margin-bottom: 28px;
}

.phase-name {
  font-family: var(--serif);
  font-size: 2.5rem;
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.025em;
  color: var(--dk-hi);
  margin-bottom: 24px;
}

.phase-body {
  font-size: 0.9375rem;
  font-weight: 400;
  line-height: 1.65;
  color: var(--dk-body);
  text-wrap: pretty;
}

.phase-body em {
  display: block;
  font-family: var(--serif);
  font-style: italic;
  font-weight: 400;
  color: var(--dk-muted);
  margin-top: 10px;
}

/* ── How we work (inside dark section) ──────────────────── */

.work-intro {
  grid-column: 1 / 7;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.work-statement {
  font-family: var(--serif);
  font-size: clamp(1.375rem, 2.25vw, 1.875rem);
  font-weight: 700;
  line-height: 1.25;
  color: var(--dk-hi);
  text-wrap: balance;
}

.work-note {
  font-size: 0.9375rem;
  font-weight: 400;
  line-height: 1.75;
  color: var(--dk-muted);
  text-wrap: balance;
}

.work-principles {
  grid-column: 7 / 13;
  list-style: none;
  display: flex;
  flex-direction: column;
}

.work-principles li {
  font-family: var(--serif);
  font-size: clamp(1.0625rem, 1.5vw, 1.375rem);
  font-weight: 700;
  line-height: 1.3;
  color: var(--dk-body);
  padding: 18px 0;
  border-bottom: 1px solid var(--dk-rule);
  text-wrap: balance;
}

.work-principles li:first-child {
  border-top: 1px solid var(--dk-rule);
}

/* ── Cycle note ─────────────────────────────────────────── */

.cycle-note {
  grid-column: 1 / 8;
  margin-top: 64px;
  font-size: 0.9375rem;
  font-weight: 400;
  line-height: 1.75;
  color: var(--dk-muted);
  text-wrap: balance;
}

/* ── Contact ────────────────────────────────────────────── */

.closing-headline {
  grid-column: 1 / 6;
  font-family: var(--serif);
  font-size: clamp(2.25rem, 4.5vw, 4.5rem);
  font-weight: 700;
  line-height: .8;
  letter-spacing: -0.025em;
  align-self: start;
}

.closing-body {
  grid-column: 7 / 13;
  display: flex;
  flex-direction: column;
  gap: 20px;
  align-self: start;
}

.closing-body p {
  font-size: 0.9375rem;
  font-weight: 400;
  line-height: 1.7;
  color: var(--muted);
  text-wrap: pretty;
}

/* ── Footer ─────────────────────────────────────────────── */

footer {
  border-top: 1px solid var(--rule);
  padding: 36px 56px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-left {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.footer-wordmark {
  font-family: var(--serif);
  font-size: 1rem;
  font-weight: 700;
  color: var(--ink);
}

.footer-tagline {
  font-size: 0.75rem;
  font-weight: 400;
  color: var(--muted);
}

/* Email copy button */
.email-btn {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-family: var(--sans);
  font-size: 0.75rem;
  font-weight: 400;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--muted);
  background: none;
  border: none;
  cursor: pointer;
  transition: color 0.2s;
}

.email-btn .email-text {
  border-bottom: 1px solid var(--rule);
  padding-bottom: 2px;
  transition: border-color 0.2s;
}

.email-btn:hover { color: var(--ink); }
.email-btn:hover .email-text { border-color: var(--muted); }

.email-btn .copy-icon {
  opacity: 0;
  transform: scale(0.85);
  transition: opacity 0.15s, transform 0.15s;
  display: flex;
  align-items: center;
}

.email-btn:hover .copy-icon {
  opacity: 1;
  transform: scale(1);
}

.email-btn .copy-icon svg {
  width: 11px;
  height: 11px;
  stroke: currentColor;
  fill: none;
  stroke-width: 1.5;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.email-btn .copied-label {
  display: none;
  font-size: 0.625rem;
  letter-spacing: 0.1em;
  color: var(--blue);
}

.email-btn.copied .email-text,
.email-btn.copied .copy-icon { display: none; }
.email-btn.copied .copied-label { display: inline; }

/* ── Scroll reveal ───────────────────────────────────────── */

.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}

.reveal.visible { opacity: 1; transform: translateY(0); }

.reveal-delay-1 { transition-delay: 0.10s; }
.reveal-delay-2 { transition-delay: 0.20s; }
.reveal-delay-3 { transition-delay: 0.30s; }
.reveal-delay-4 { transition-delay: 0.40s; }

/* ── Responsive ─────────────────────────────────────────── */

@media (max-width: 960px) {
  .container {
    grid-template-columns: 1fr;
    column-gap: 0;
  }

  /* Reset all explicit column placements */
  .hero-headline,
  .hero-sub,
  .persp-intro,
  .persp-body,
  .persp-close,
  .cycle-intro,
  .cycle-phases,
  .cycle-note,
  .closing-headline,
  .closing-body,
  .label,
  .divider {
    grid-column: 1 / -1;
  }

  .persp-body { margin-bottom: 48px; }

  .closing-headline { margin-bottom: 40px; }

  .cycle-phases {
    display: grid;
    grid-template-columns: 1fr 1fr;
  }

  .work-intro { margin-bottom: 40px; }
}

@media (max-width: 680px) {
  nav { padding: 20px 24px; }
  .nav-links .nav-link { display: none; }

  .hero { padding-bottom: 72px; }

  .container { padding: 0 24px; }

  .section { padding: 80px 0; }

  .cycle-section { padding: 80px 0; }

  .cycle-phases { grid-template-columns: 1fr; }

  .phase-name { font-size: 2rem; }

  .closing-headline br { display: none; }
}