/* ============================================================
 * THE ONYX CO — v2 BLACK TAPE — Site stylesheet
 * ============================================================ */

:root {
  /* Palette */
  --onyx:   #0A0A0A;
  --signal: #F7DC0B;
  --bone:   #F4F1EA;
  --paper:  #FFFFFF;
  --stone:  #4A4A4A;
  --light-stone: #8A8A8A;
  --hairline: #E0DCD0;
  --dark-card: #141414;

  /* Type */
  --font-display: 'Unbounded', system-ui, sans-serif;
  --font-mark:    'Archivo', system-ui, sans-serif;
  --font-body:    'Inter Tight', system-ui, -apple-system, sans-serif;
}

* { box-sizing: border-box; }
*:focus-visible { outline: 3px solid var(--signal); outline-offset: 3px; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bone);
  color: var(--onyx);
  font-family: var(--font-body);
  font-weight: 400;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a { color: inherit; text-decoration: none; }
a.inline-link {
  border-bottom: 1px solid currentColor;
  transition: border-color 0.2s, opacity 0.2s;
}
a.inline-link:hover { opacity: 0.7; }

/* ============================================================
 * LAYOUT PRIMITIVES
 * ============================================================ */
.container {
  max-width: 1320px;
  margin: 0 auto;
  padding: 0 48px;
}
@media (max-width: 800px) {
  .container { padding: 0 24px; }
}

.section {
  padding: 100px 0;
  border-bottom: 1px solid var(--hairline);
}
.section.dark { background: var(--onyx); color: var(--bone); border-color: transparent; }
.section.yellow { background: var(--signal); color: var(--onyx); border-color: transparent; }
.section.bone { background: var(--bone); }
.section.paper { background: var(--paper); }
@media (max-width: 800px) {
  .section { padding: 64px 0; }
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 24px;
  font-family: var(--font-body);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 3px;
  text-transform: uppercase;
}
.eyebrow .marker {
  display: inline-block;
  width: 12px; height: 12px;
  background: var(--signal);
}
.eyebrow .num {
  margin-left: auto;
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--signal);
}
.section.yellow .eyebrow .marker { background: var(--onyx); }
.section.yellow .eyebrow .num { color: var(--onyx); }

/* ============================================================
 * TYPE
 * ============================================================ */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 800;
  line-height: 1;
  letter-spacing: -2px;
  margin: 0 0 24px;
}
h1 { font-size: clamp(56px, 9vw, 130px); letter-spacing: -4px; line-height: 0.92; }
h2 { font-size: clamp(48px, 6vw, 88px); letter-spacing: -3px; line-height: 0.94; }
h3 { font-size: clamp(28px, 3.2vw, 44px); letter-spacing: -1.5px; line-height: 1; }
h4 { font-size: clamp(20px, 2vw, 26px); letter-spacing: -0.5px; line-height: 1.1; }

p { margin: 0 0 1.2em; font-size: 16px; line-height: 1.55; }

.lede {
  font-family: var(--font-body);
  font-weight: 300;
  font-size: clamp(18px, 1.8vw, 24px);
  line-height: 1.4;
  color: var(--stone);
  max-width: 760px;
  margin-bottom: 48px;
}
.section.dark .lede,
.hero .lede { color: #C4C0B5; }
.hero.bone .lede,
.hero.signal .lede,
.section.yellow .lede { color: var(--stone); font-weight: 400; }
.section.yellow .lede { color: var(--onyx); }

.lede strong, .lede em {
  color: var(--onyx);
  font-style: normal;
  font-weight: 500;
}
.section.dark .lede strong, .section.dark .lede em,
.hero:not(.bone):not(.signal) .lede strong, .hero:not(.bone):not(.signal) .lede em {
  color: var(--signal);
  font-weight: 500;
}

.body-text {
  font-size: 16px;
  line-height: 1.65;
  max-width: 680px;
}
.body-text p { margin: 0 0 1.2em; }
.body-text strong { font-weight: 600; }
.body-text a.inline-link { color: var(--onyx); }
.section.dark .body-text { color: #C4C0B5; }
.section.dark .body-text a.inline-link { color: var(--bone); }

.section-rule {
  width: 80px;
  height: 4px;
  background: var(--signal);
  margin: 24px 0 32px;
  border: 0;
}

/* ============================================================
 * TOPBAR — sticky navigation
 * ============================================================ */
.topbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--onyx);
  color: var(--bone);
  border-bottom: 3px solid var(--signal);
}
.topbar .inner {
  max-width: 1320px;
  margin: 0 auto;
  padding: 16px 48px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
}
.topbar .brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-display);
  font-weight: 800;
  letter-spacing: -0.5px;
  font-size: 18px;
}
.topbar .brand .brand-mark {
  width: 28px; height: 28px;
  background: var(--signal);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-mark);
  font-weight: 900;
  font-size: 22px;
  letter-spacing: -2px;
  color: var(--onyx);
  line-height: 1;
  padding-bottom: 3px;
}
.topbar nav { display: flex; gap: 32px; align-items: center; }
.topbar nav a {
  font-family: var(--font-body);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 2.5px;
  text-transform: uppercase;
  color: var(--bone);
  position: relative;
  padding: 4px 0;
  transition: color 0.2s;
}
.topbar nav a:hover, .topbar nav a.active { color: var(--signal); }
.topbar nav a.active::after {
  content: '';
  position: absolute;
  bottom: -3px; left: 0; right: 0;
  height: 2px; background: var(--signal);
}

.topbar .cta {
  background: var(--signal);
  color: var(--onyx);
  padding: 10px 18px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 2.5px;
  text-transform: uppercase;
  transition: background 0.2s, transform 0.2s;
  display: inline-block;
}
.topbar .cta:hover { background: var(--bone); }

.menu-toggle {
  display: none;
  background: none; border: 0;
  color: var(--bone);
  font-family: var(--font-body);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 2.5px;
  cursor: pointer;
  padding: 8px 12px;
  border: 1px solid var(--signal);
}

@media (max-width: 900px) {
  .topbar .inner { padding: 14px 24px; }
  .topbar nav, .topbar > .inner > .cta { display: none; }
  .menu-toggle { display: block; }
  .topbar nav.open {
    display: flex; flex-direction: column;
    position: absolute;
    top: 100%; left: 0; right: 0;
    background: var(--onyx);
    padding: 24px;
    border-bottom: 3px solid var(--signal);
    gap: 16px;
    align-items: flex-start;
  }
  .topbar nav.open a { font-size: 16px; }
}

/* ============================================================
 * HERO
 * ============================================================ */
.hero {
  background: var(--onyx);
  color: var(--bone);
  padding: 120px 0 140px;
}
.hero.bone { background: var(--bone); color: var(--onyx); }
.hero.signal { background: var(--signal); color: var(--onyx); }
.hero .hero-eyebrow {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 4px;
  color: var(--signal);
  text-transform: uppercase;
  margin-bottom: 32px;
}
.hero.bone .hero-eyebrow { color: var(--onyx); }
.hero.signal .hero-eyebrow { color: var(--onyx); }

.hero h1 .accent { color: var(--signal); }
.hero.bone h1 .accent, .hero.signal h1 .accent { color: var(--onyx); position: relative; display: inline-block; }
.hero.bone h1 .accent::after, .hero.signal h1 .accent::after {
  content: '';
  position: absolute;
  bottom: 8px; left: 0; right: 0;
  height: 14px;
  background: var(--signal);
  z-index: -1;
  opacity: 0.85;
}
.hero.bone h1 .accent { background: linear-gradient(transparent 70%, var(--signal) 70%); }

.hero-rule {
  width: 80px;
  height: 4px;
  background: var(--signal);
  margin: 32px 0;
}
.hero.bone .hero-rule, .hero.signal .hero-rule { background: var(--onyx); }

.hero-meta {
  display: flex;
  justify-content: space-between;
  align-items: end;
  margin-top: 100px;
  gap: 24px;
  flex-wrap: wrap;
}
.hero-meta .label {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--light-stone);
  margin-bottom: 4px;
}
.hero-meta .value {
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 700;
}
.hero-meta .right .value { color: var(--signal); }
.hero.bone .hero-meta .label, .hero.signal .hero-meta .label { color: var(--stone); }
.hero.bone .hero-meta .right .value, .hero.signal .hero-meta .right .value { color: var(--onyx); }

@media (max-width: 800px) {
  .hero { padding: 80px 0 100px; }
}

/* ============================================================
 * BUTTONS
 * ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 16px 28px;
  font-family: var(--font-body);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 2.5px;
  text-transform: uppercase;
  background: var(--signal);
  color: var(--onyx);
  border: 2px solid var(--signal);
  cursor: pointer;
  transition: background 0.2s, color 0.2s, transform 0.2s;
}
.btn:hover { background: var(--bone); border-color: var(--bone); }
.btn.outline {
  background: transparent;
  color: var(--signal);
}
.btn.outline:hover { background: var(--signal); color: var(--onyx); }
.btn.dark {
  background: var(--onyx);
  color: var(--bone);
  border-color: var(--onyx);
}
.btn.dark:hover { background: var(--bone); color: var(--onyx); border-color: var(--bone); }
.btn .arrow {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 14px;
  margin-left: 4px;
}

/* ============================================================
 * MANIFESTO / TEXT BLOCKS
 * ============================================================ */
.manifesto {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(28px, 4vw, 56px);
  line-height: 1.1;
  letter-spacing: -1.5px;
  max-width: 1000px;
}
.manifesto .accent { color: var(--signal); }
.section.bone .manifesto .accent {
  background: linear-gradient(transparent 70%, var(--signal) 70%);
  color: var(--onyx);
}

/* ============================================================
 * PILLAR GRID
 * ============================================================ */
.pillars {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
.pillar {
  padding: 48px;
  background: var(--dark-card);
  border-left: 4px solid var(--signal);
  position: relative;
  transition: transform 0.2s;
}
.pillar:hover { transform: translateY(-4px); }
.pillar .num {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 3px;
  color: var(--signal);
  margin-bottom: 16px;
}
.pillar h4 {
  font-family: var(--font-display);
  font-size: 32px;
  font-weight: 800;
  letter-spacing: -1px;
  margin: 0 0 14px;
  color: var(--bone);
}
.pillar p {
  font-size: 15px;
  color: #C4C0B5;
  margin: 0;
  line-height: 1.55;
}
.section.bone .pillar {
  background: var(--paper);
  border-color: var(--signal);
  color: var(--onyx);
}
.section.bone .pillar h4 { color: var(--onyx); }
.section.bone .pillar p { color: var(--stone); }
.section.bone .pillar .num { color: var(--onyx); }

@media (max-width: 800px) {
  .pillars { grid-template-columns: 1fr; }
  .pillar { padding: 32px; }
}

/* ============================================================
 * PORTFOLIO GRID
 * ============================================================ */
.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.portfolio-card {
  background: var(--paper);
  border: 1px solid var(--hairline);
  padding: 32px;
  transition: transform 0.2s, border-color 0.2s;
  display: flex;
  flex-direction: column;
  min-height: 320px;
}
.portfolio-card:hover {
  transform: translateY(-4px);
  border-color: var(--onyx);
}
.portfolio-card .pillar-tag {
  display: inline-block;
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 2.5px;
  text-transform: uppercase;
  background: var(--signal);
  color: var(--onyx);
  padding: 4px 8px;
  align-self: flex-start;
  margin-bottom: 32px;
}
.portfolio-card h3 {
  font-family: var(--font-display);
  font-size: 28px;
  font-weight: 800;
  letter-spacing: -1px;
  margin: 0 0 8px;
}
.portfolio-card .sector {
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 1.5px;
  color: var(--stone);
  text-transform: uppercase;
  margin-bottom: 16px;
}
.portfolio-card p {
  font-size: 14px;
  color: var(--stone);
  margin: 0;
  line-height: 1.55;
}
.portfolio-card .stamp {
  margin-top: auto;
  padding-top: 24px;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 2px;
  color: var(--light-stone);
  border-top: 1px solid var(--hairline);
}

@media (max-width: 1100px) { .portfolio-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 700px) { .portfolio-grid { grid-template-columns: 1fr; } }

/* ============================================================
 * FILTER CHIPS (portfolio filter)
 * ============================================================ */
.filter-row {
  display: flex;
  gap: 8px;
  margin-bottom: 48px;
  flex-wrap: wrap;
}
.chip {
  background: transparent;
  border: 1px solid var(--onyx);
  color: var(--onyx);
  font-family: var(--font-body);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  padding: 10px 18px;
  cursor: pointer;
  transition: all 0.15s;
}
.chip:hover { background: var(--onyx); color: var(--bone); }
.chip.active { background: var(--onyx); color: var(--signal); }

/* ============================================================
 * CTA BAND
 * ============================================================ */
.cta-band {
  background: var(--signal);
  padding: 100px 0;
}
.cta-band .cta-inner {
  max-width: 1320px;
  margin: 0 auto;
  padding: 0 48px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 48px;
  flex-wrap: wrap;
}
.cta-band h3 {
  font-family: var(--font-display);
  font-size: clamp(32px, 4.5vw, 56px);
  font-weight: 800;
  line-height: 1;
  letter-spacing: -2px;
  margin: 0;
  max-width: 700px;
}

@media (max-width: 800px) {
  .cta-band { padding: 64px 0; }
  .cta-band .cta-inner { padding: 0 24px; }
}

/* ============================================================
 * FORM
 * ============================================================ */
.form {
  background: var(--paper);
  padding: 48px;
  border: 1px solid var(--hairline);
  max-width: 720px;
}
.form .row { margin-bottom: 24px; }
.form label {
  display: block;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 2.5px;
  text-transform: uppercase;
  color: var(--onyx);
  margin-bottom: 8px;
}
.form input,
.form textarea,
.form select {
  width: 100%;
  padding: 14px 16px;
  background: var(--bone);
  border: 1px solid var(--hairline);
  border-bottom: 2px solid var(--onyx);
  font-family: var(--font-body);
  font-size: 15px;
  color: var(--onyx);
  transition: border-color 0.2s, background 0.2s;
  border-radius: 0;
}
.form input:focus,
.form textarea:focus,
.form select:focus {
  outline: none;
  background: var(--paper);
  border-bottom-color: var(--signal);
  border-bottom-width: 3px;
}
.form textarea { min-height: 140px; resize: vertical; }
.form .double {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
@media (max-width: 600px) { .form .double { grid-template-columns: 1fr; } }
.form .submit {
  margin-top: 16px;
}
.form .note {
  font-size: 12px;
  color: var(--stone);
  margin-top: 16px;
  line-height: 1.5;
}

@media (max-width: 600px) { .form { padding: 32px 24px; } }

/* ============================================================
 * NEWSLETTER STRIP
 * ============================================================ */
.newsletter {
  background: var(--onyx);
  color: var(--bone);
  padding: 64px 0;
  border-top: 4px solid var(--signal);
}
.newsletter .inner {
  max-width: 1320px;
  margin: 0 auto;
  padding: 0 48px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
.newsletter h3 {
  font-family: var(--font-display);
  font-size: clamp(24px, 3vw, 36px);
  font-weight: 800;
  letter-spacing: -1px;
  margin: 0 0 8px;
  color: var(--bone);
}
.newsletter p {
  font-size: 14px;
  color: #C4C0B5;
  margin: 0;
}
.newsletter form {
  display: flex;
  gap: 8px;
}
.newsletter input {
  flex: 1;
  padding: 14px 18px;
  background: transparent;
  border: 1px solid #2A2A2A;
  border-radius: 0;
  color: var(--bone);
  font-family: var(--font-body);
  font-size: 14px;
}
.newsletter input::placeholder { color: var(--light-stone); }
.newsletter input:focus { outline: none; border-color: var(--signal); }
.newsletter button {
  padding: 14px 24px;
  background: var(--signal);
  border: 1px solid var(--signal);
  color: var(--onyx);
  font-family: var(--font-body);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 2.5px;
  text-transform: uppercase;
  cursor: pointer;
  transition: background 0.2s;
}
.newsletter button:hover { background: var(--bone); }
@media (max-width: 800px) {
  .newsletter .inner { grid-template-columns: 1fr; padding: 0 24px; }
}

/* ============================================================
 * FOOTER
 * ============================================================ */
footer {
  background: var(--onyx);
  color: var(--bone);
  padding: 80px 0 40px;
}
footer .footer-inner {
  max-width: 1320px;
  margin: 0 auto;
  padding: 0 48px;
}
footer .footer-mark {
  margin-bottom: 56px;
}
footer .footer-mark img { width: 280px; }
footer .row {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 56px;
  border-bottom: 1px solid #2A2A2A;
}
footer h4 {
  font-family: var(--font-body);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--signal);
  margin: 0 0 16px;
  padding-bottom: 8px;
  border-bottom: 2px solid var(--signal);
  display: inline-block;
}
footer p {
  font-size: 13px;
  line-height: 1.65;
  margin: 0;
  color: #C4C0B5;
}
footer p a:hover { color: var(--signal); }
footer ul { list-style: none; padding: 0; margin: 0; }
footer li { margin: 0 0 8px; }
footer li a {
  font-size: 13px;
  color: #C4C0B5;
  border-bottom: 1px solid transparent;
  transition: color 0.2s, border-color 0.2s;
}
footer li a:hover { color: var(--signal); border-color: var(--signal); }
footer .signoff {
  margin-top: 32px;
  padding-top: 32px;
  border-top: 1px solid #2A2A2A;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--stone);
  flex-wrap: wrap;
  gap: 16px;
}
footer .signoff .right { color: var(--signal); }
@media (max-width: 800px) {
  footer .row { grid-template-columns: 1fr 1fr; gap: 32px; }
  footer .footer-inner { padding: 0 24px; }
}
@media (max-width: 500px) {
  footer .row { grid-template-columns: 1fr; }
}

/* ============================================================
 * STAT / NUMBER BLOCK
 * ============================================================ */
.stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.stat {
  background: var(--signal);
  padding: 40px 32px;
  color: var(--onyx);
}
.stat .number {
  font-family: var(--font-display);
  font-size: clamp(36px, 5vw, 64px);
  font-weight: 800;
  line-height: 1;
  letter-spacing: -2px;
  margin: 0 0 16px;
}
.stat .label {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 2.5px;
  text-transform: uppercase;
  line-height: 1.3;
}
@media (max-width: 800px) {
  .stats { grid-template-columns: 1fr; }
}

/* ============================================================
 * QUOTE
 * ============================================================ */
.pullquote {
  padding: 100px 0;
}
.pullquote .openmark {
  font-family: var(--font-display);
  font-size: clamp(120px, 14vw, 200px);
  line-height: 0.6;
  font-weight: 800;
  color: var(--signal);
  margin-bottom: 32px;
}
.pullquote blockquote {
  font-family: var(--font-display);
  font-size: clamp(28px, 4vw, 52px);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -1.5px;
  margin: 0 0 48px;
  color: var(--onyx);
  max-width: 1100px;
}
.pullquote .attribution {
  font-family: var(--font-body);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 3px;
  text-transform: uppercase;
  border-bottom: 3px solid var(--onyx);
  padding-bottom: 8px;
  display: inline-block;
}

/* ============================================================
 * APPROACH STEPS
 * ============================================================ */
.steps {
  display: grid;
  gap: 8px;
}
.step {
  background: var(--paper);
  color: var(--onyx);
  border: 1px solid var(--hairline);
  border-left: 4px solid var(--signal);
  padding: 40px;
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 24px;
  align-items: start;
}
.step .num {
  font-family: var(--font-display);
  font-size: 56px;
  font-weight: 800;
  letter-spacing: -2px;
  color: var(--onyx);
  line-height: 0.8;
}
.step h4 {
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 800;
  letter-spacing: -0.5px;
  margin: 0 0 12px;
  color: var(--onyx);
}
.step p {
  font-size: 15px;
  color: var(--stone);
  margin: 0;
  line-height: 1.6;
}
.step a.inline-link { color: var(--onyx); }
@media (max-width: 600px) {
  .step { grid-template-columns: 1fr; padding: 32px 24px; }
  .step .num { font-size: 44px; }
}

/* ============================================================
 * UTILITY
 * ============================================================ */
.hidden { display: none; }
.divider { height: 4px; background: var(--signal); width: 80px; margin: 32px 0; border: 0; }
.muted { color: var(--stone); }

.signal-bg { background: var(--signal); }
.onyx-bg { background: var(--onyx); color: var(--bone); }
.bone-bg { background: var(--bone); }

.text-center { text-align: center; }
.mt-0 { margin-top: 0; }
.mb-0 { margin-bottom: 0; }

/* Print */
@media print {
  .topbar, footer .signoff, .newsletter { display: none; }
}

/* v3.1 — group marks on About pillars */
.pillar .mark { display:block; width:56px; height:56px; margin-bottom:16px; }