/* ============================================
   ONYX AI SOLUTIONS — BRAND SYSTEM
   Black canvas. Gold accent. Editorial typography.
   Bloomberg terminal meets luxury editorial.
   ============================================ */

:root {
  --bg: #09090B;
  --bg-soft: #0F0F12;
  --bg-elevated: #15151A;
  --border: #1F1F26;
  --border-hover: #2A2A33;

  --gold: #C9A96E;
  --gold-bright: #E8D4A8;
  --gold-dim: #8A7448;

  --text: #F5F5F0;
  --text-muted: #A8A89E;
  --text-dim: #6B6B66;

  --accent-green: #4ADE80;

  --serif: 'Instrument Serif', 'Times New Roman', serif;
  --mono: 'JetBrains Mono', 'SF Mono', monospace;
  --sans: 'Inter', -apple-system, sans-serif;

  --max: 1400px;
  --pad: clamp(1.25rem, 4vw, 3rem);
}

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-weight: 300;
  line-height: 1.6;
  font-size: 16px;
  overflow-x: hidden;

  background-image:
    radial-gradient(circle at 20% 0%, rgba(201, 169, 110, 0.04) 0%, transparent 50%),
    radial-gradient(circle at 80% 100%, rgba(201, 169, 110, 0.03) 0%, transparent 50%);
  background-attachment: fixed;
}

/* Subtle grain overlay */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 1000;
  opacity: 0.025;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='3'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

/* ============================================
   TYPOGRAPHY UTILITIES
   ============================================ */

.mono-label {
  font-family: var(--mono);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.diamond {
  color: var(--gold);
  display: inline-block;
  font-size: 0.9em;
}

.diamond-large {
  color: var(--gold);
  font-size: 2.5rem;
  display: inline-block;
  margin-bottom: 1rem;
  text-shadow: 0 0 30px rgba(201, 169, 110, 0.3);
}

.section-label {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}

.section-title {
  font-family: var(--serif);
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 400;
  line-height: 1.05;
  letter-spacing: -0.02em;
  margin-bottom: 3rem;
  max-width: 18ch;
}

/* ============================================
   NAV
   ============================================ */

.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem var(--pad);
  background: rgba(9, 9, 11, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--mono);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.18em;
}

.logo .diamond {
  font-size: 1.1rem;
}

.logo-text {
  color: var(--text);
}

.nav-links {
  display: flex;
  gap: 2.5rem;
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.nav-links a {
  color: var(--text-muted);
  transition: color 0.2s ease;
  position: relative;
  padding: 0.25rem 0;
}

.nav-links a:hover { color: var(--text); }

.nav-links a.active {
  color: var(--gold);
}

.nav-links a.active::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 100%;
  height: 1px;
  background: var(--gold);
}

.nav-cta {
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  color: var(--gold);
  border: 1px solid var(--gold-dim);
  padding: 0.6rem 1.1rem;
  transition: all 0.25s ease;
  text-transform: uppercase;
}

.nav-cta:hover {
  background: var(--gold);
  color: var(--bg);
  border-color: var(--gold);
}

@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-cta { font-size: 0.7rem; padding: 0.5rem 0.8rem; }
}

/* ============================================
   BUTTONS
   ============================================ */

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  background: var(--gold);
  color: var(--bg);
  padding: 1rem 1.75rem;
  font-family: var(--mono);
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  transition: all 0.3s ease;
  border: 1px solid var(--gold);
  cursor: pointer;
}

.btn-primary:hover {
  background: var(--gold-bright);
  border-color: var(--gold-bright);
  transform: translateY(-1px);
  box-shadow: 0 8px 30px rgba(201, 169, 110, 0.25);
}

.btn-primary .arrow {
  transition: transform 0.3s ease;
}

.btn-primary:hover .arrow {
  transform: translateX(4px);
}

.btn-large {
  padding: 1.2rem 2.25rem;
  font-size: 0.9rem;
}

.btn-ghost {
  display: inline-flex;
  align-items: center;
  padding: 1rem 1.75rem;
  font-family: var(--mono);
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text);
  border: 1px solid var(--border-hover);
  transition: all 0.25s ease;
}

.btn-ghost:hover {
  border-color: var(--gold);
  color: var(--gold);
}

/* ============================================
   HERO
   ============================================ */

.hero {
  position: relative;
  min-height: 92vh;
  padding: clamp(3rem, 8vw, 6rem) var(--pad);
  display: flex;
  flex-direction: column;
  justify-content: center;
  border-bottom: 1px solid var(--border);
  overflow: hidden;
}

.hero::before {
  content: '◆';
  position: absolute;
  font-size: 32rem;
  color: var(--gold);
  opacity: 0.025;
  top: 50%;
  right: -8rem;
  transform: translateY(-50%);
  pointer-events: none;
  font-family: var(--serif);
}

.hero-grid {
  max-width: var(--max);
  margin: 0 auto;
  width: 100%;
  position: relative;
  z-index: 2;
}

.hero-meta {
  display: flex;
  gap: 2rem;
  margin-bottom: 2.5rem;
  animation: fadeUp 0.8s 0.1s both;
}

.hero-title {
  font-family: var(--serif);
  font-size: clamp(2.8rem, 8vw, 6.5rem);
  font-weight: 400;
  line-height: 0.98;
  letter-spacing: -0.025em;
  margin-bottom: 2.5rem;
  animation: fadeUp 0.9s 0.2s both;
}

.hero-title em {
  color: var(--gold);
  font-style: italic;
}

.hero-sub {
  max-width: 50ch;
  margin-bottom: 3rem;
  animation: fadeUp 0.9s 0.4s both;
}

.hero-sub p {
  font-size: clamp(1.05rem, 1.5vw, 1.25rem);
  color: var(--text-muted);
  margin-bottom: 0.5rem;
  font-weight: 300;
}

.hero-sub-small {
  font-size: 0.95rem !important;
  color: var(--text-dim) !important;
  font-family: var(--mono);
}

.hero-cta {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  animation: fadeUp 0.9s 0.6s both;
}

.hero-decoration {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  border-top: 1px solid var(--border);
  overflow: hidden;
  height: 3rem;
  display: flex;
  align-items: center;
  background: var(--bg-soft);
}

.ticker {
  display: flex;
  gap: 4rem;
  animation: ticker 60s linear infinite;
  white-space: nowrap;
  font-family: var(--mono);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  color: var(--text-dim);
}

.ticker span {
  flex-shrink: 0;
}

@keyframes ticker {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ============================================
   PROOF
   ============================================ */

.proof {
  padding: clamp(4rem, 8vw, 7rem) var(--pad);
  max-width: var(--max);
  margin: 0 auto;
  border-bottom: 1px solid var(--border);
}

.proof-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
}

.proof-item {
  border: 1px solid var(--border);
  padding: 2rem;
  background: var(--bg-soft);
  transition: all 0.3s ease;
  position: relative;
}

.proof-item:hover {
  border-color: var(--gold-dim);
  background: var(--bg-elevated);
}

.proof-name {
  font-family: var(--serif);
  font-size: 1.5rem;
  margin-bottom: 0.75rem;
  letter-spacing: -0.01em;
}

.proof-desc {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 1.5rem;
  line-height: 1.5;
}

.proof-status {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  color: var(--accent-green);
}

.proof-item:nth-child(3) .proof-status {
  color: var(--text-dim);
}

/* ============================================
   SERVICES
   ============================================ */

.services {
  padding: clamp(4rem, 8vw, 7rem) var(--pad);
  max-width: var(--max);
  margin: 0 auto;
  border-bottom: 1px solid var(--border);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 0;
  border-top: 1px solid var(--border);
  border-left: 1px solid var(--border);
}

.service {
  padding: 2.5rem;
  border-right: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: var(--bg);
  transition: all 0.3s ease;
  position: relative;
}

.service:hover {
  background: var(--bg-soft);
}

.service-num {
  font-family: var(--mono);
  font-size: 0.75rem;
  color: var(--gold);
  letter-spacing: 0.15em;
  margin-bottom: 1.5rem;
}

.service h3 {
  font-family: var(--serif);
  font-size: 1.65rem;
  font-weight: 400;
  letter-spacing: -0.01em;
  margin-bottom: 1rem;
  line-height: 1.15;
}

.service p {
  font-size: 0.95rem;
  color: var(--text-muted);
  margin-bottom: 1.5rem;
  line-height: 1.6;
}

.service-tag {
  font-family: var(--mono);
  font-size: 0.7rem;
  color: var(--text-dim);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding-top: 1rem;
  border-top: 1px dashed var(--border);
}

/* ============================================
   PROCESS
   ============================================ */

.process {
  padding: clamp(4rem, 8vw, 7rem) var(--pad);
  max-width: var(--max);
  margin: 0 auto;
  border-bottom: 1px solid var(--border);
}

.process-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 3rem;
  position: relative;
}

.step {
  position: relative;
}

.step-num {
  font-family: var(--serif);
  font-size: 4rem;
  color: var(--gold);
  line-height: 1;
  margin-bottom: 1.5rem;
  font-style: italic;
}

.step h3 {
  font-family: var(--serif);
  font-size: 1.75rem;
  font-weight: 400;
  margin-bottom: 0.75rem;
}

.step p {
  color: var(--text-muted);
  font-size: 0.95rem;
}

/* ============================================
   CTA
   ============================================ */

.cta {
  padding: clamp(5rem, 10vw, 9rem) var(--pad);
  border-top: 1px solid var(--border);
  background:
    radial-gradient(circle at 50% 50%, rgba(201, 169, 110, 0.06) 0%, transparent 60%),
    var(--bg);
  text-align: center;
}

.cta-inner {
  max-width: 700px;
  margin: 0 auto;
}

.cta h2 {
  font-family: var(--serif);
  font-size: clamp(2.25rem, 5vw, 4rem);
  font-weight: 400;
  line-height: 1.05;
  letter-spacing: -0.02em;
  margin-bottom: 1.5rem;
}

.cta p {
  color: var(--text-muted);
  font-size: 1.1rem;
  margin-bottom: 2.5rem;
}

.cta-fine {
  font-family: var(--mono);
  font-size: 0.8rem !important;
  color: var(--text-dim) !important;
  margin-top: 2rem !important;
  margin-bottom: 0 !important;
  letter-spacing: 0.05em;
}

/* ============================================
   PAGE HERO (sub-pages)
   ============================================ */

.page-hero {
  padding: clamp(4rem, 10vw, 8rem) var(--pad) clamp(3rem, 6vw, 5rem);
  border-bottom: 1px solid var(--border);
  position: relative;
  overflow: hidden;
}

.page-hero::before {
  content: '◆';
  position: absolute;
  font-size: 24rem;
  color: var(--gold);
  opacity: 0.03;
  top: 50%;
  left: -4rem;
  transform: translateY(-50%);
  pointer-events: none;
  font-family: var(--serif);
}

.page-hero-inner {
  max-width: var(--max);
  margin: 0 auto;
  position: relative;
  z-index: 2;
}

.page-title {
  font-family: var(--serif);
  font-size: clamp(2.5rem, 7vw, 5.5rem);
  font-weight: 400;
  line-height: 1;
  letter-spacing: -0.025em;
  margin: 1.5rem 0 2rem;
  animation: fadeUp 0.8s 0.1s both;
}

.page-title em {
  color: var(--gold);
  font-style: italic;
}

.page-lede {
  font-size: clamp(1.05rem, 1.5vw, 1.25rem);
  color: var(--text-muted);
  max-width: 60ch;
  font-weight: 300;
  animation: fadeUp 0.8s 0.3s both;
}

/* ============================================
   CASE STUDIES (work.html)
   ============================================ */

.case {
  padding: clamp(4rem, 8vw, 7rem) var(--pad);
  border-bottom: 1px solid var(--border);
  max-width: var(--max);
  margin: 0 auto;
}

.case-alt { background: var(--bg-soft); max-width: none; }
.case-alt > * { max-width: var(--max); margin-left: auto; margin-right: auto; }

.case-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 2rem;
  margin-bottom: 2.5rem;
  align-items: center;
}

.case-status {
  font-family: var(--mono);
  font-size: 0.7rem;
  color: var(--accent-green);
  letter-spacing: 0.1em;
}

.case-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 5rem;
  align-items: start;
}

.case-grid-reverse {
  grid-template-columns: 1fr 1.2fr;
}

.case-grid-reverse .case-content { order: 2; }
.case-grid-reverse .case-visual { order: 1; }

@media (max-width: 900px) {
  .case-grid, .case-grid-reverse {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  .case-grid-reverse .case-content { order: 1; }
  .case-grid-reverse .case-visual { order: 2; }
}

.case-content h2 {
  font-family: var(--serif);
  font-size: clamp(2rem, 4vw, 3.25rem);
  font-weight: 400;
  line-height: 1;
  letter-spacing: -0.02em;
  margin-bottom: 2.5rem;
}

.case-block {
  margin-bottom: 2rem;
}

.case-label {
  font-family: var(--mono);
  font-size: 0.7rem;
  color: var(--gold);
  letter-spacing: 0.15em;
  margin-bottom: 0.5rem;
  text-transform: uppercase;
}

.case-block p {
  color: var(--text-muted);
  font-size: 1rem;
  line-height: 1.65;
}

.case-results {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.case-results li {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 1.5rem;
  align-items: baseline;
  padding: 1rem 0;
  border-bottom: 1px dashed var(--border);
}

.result-num {
  font-family: var(--serif);
  font-size: 2rem;
  color: var(--gold);
  font-style: italic;
  line-height: 1;
}

.result-text {
  color: var(--text-muted);
  font-size: 0.95rem;
}

.case-stack {
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
}

.stack-label {
  font-family: var(--mono);
  font-size: 0.7rem;
  color: var(--gold);
  letter-spacing: 0.15em;
  margin-right: 0.5rem;
}

.stack-item {
  font-family: var(--mono);
  font-size: 0.75rem;
  color: var(--text-muted);
  border: 1px solid var(--border);
  padding: 0.4rem 0.75rem;
  background: var(--bg);
}

/* Case visual frames */
.case-visual {
  position: sticky;
  top: 6rem;
}

.visual-frame {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 4px;
  overflow: hidden;
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.4);
}

.visual-header {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1rem;
  background: var(--bg-soft);
  border-bottom: 1px solid var(--border);
}

.visual-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--border-hover);
}

.visual-dot:nth-child(1) { background: #FF5F57; }
.visual-dot:nth-child(2) { background: #FEBC2E; }
.visual-dot:nth-child(3) { background: #28C840; }

.visual-title {
  font-family: var(--mono);
  font-size: 0.7rem;
  color: var(--text-dim);
  margin-left: auto;
}

.visual-body {
  padding: 1.5rem;
  font-family: var(--mono);
  font-size: 0.85rem;
}

.visual-row {
  display: flex;
  justify-content: space-between;
  padding: 0.65rem 0;
  border-bottom: 1px dashed var(--border);
}

.visual-row:last-child { border: none; }

.visual-key { color: var(--text-dim); letter-spacing: 0.1em; font-size: 0.75rem; }
.visual-val { color: var(--text); }
.visual-val.ok { color: var(--accent-green); }
.visual-val.muted { color: var(--text-dim); }

/* Tool grid for Vero case */
.tool-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 4px;
}

.tool-cell {
  aspect-ratio: 1;
  background: var(--bg-soft);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--mono);
  font-size: 0.6rem;
  color: var(--gold);
  letter-spacing: 0.05em;
  transition: all 0.2s;
}

.tool-cell:hover {
  background: var(--gold);
  color: var(--bg);
}

/* Bilingual review demo */
.lang-toggle {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border);
}

.lang {
  font-family: var(--mono);
  font-size: 0.75rem;
  padding: 0.4rem 0.8rem;
  border: 1px solid var(--border);
  color: var(--text-dim);
}

.lang.active {
  background: var(--gold);
  color: var(--bg);
  border-color: var(--gold);
}

.review-prompt, .review-prompt-es {
  font-family: var(--serif);
  font-size: 1.25rem;
  margin-bottom: 1rem;
  color: var(--text);
}

.review-prompt-es {
  color: var(--text-muted);
  font-style: italic;
}

.stars {
  font-size: 1.5rem;
  color: var(--gold);
  letter-spacing: 0.5rem;
  text-align: center;
  margin: 1.5rem 0;
}

/* MORE WORK GRID */
.more-work {
  padding: clamp(4rem, 8vw, 7rem) var(--pad);
  max-width: var(--max);
  margin: 0 auto;
  border-bottom: 1px solid var(--border);
}

.more-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 0;
  border-top: 1px solid var(--border);
  border-left: 1px solid var(--border);
  margin-top: 2rem;
}

.more-item {
  padding: 2rem;
  border-right: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  transition: background 0.3s;
}

.more-item:hover { background: var(--bg-soft); }

.more-num {
  font-family: var(--mono);
  font-size: 0.7rem;
  color: var(--gold);
  letter-spacing: 0.15em;
  margin-bottom: 1rem;
}

.more-item h3 {
  font-family: var(--serif);
  font-size: 1.35rem;
  font-weight: 400;
  margin-bottom: 0.75rem;
  letter-spacing: -0.01em;
}

.more-item p {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.55;
}

/* ============================================
   ABOUT PAGE
   ============================================ */

.about-bio {
  padding: clamp(4rem, 8vw, 7rem) var(--pad);
  max-width: var(--max);
  margin: 0 auto;
  border-bottom: 1px solid var(--border);
}

.bio-grid {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 5rem;
  align-items: start;
}

@media (max-width: 900px) {
  .bio-grid { grid-template-columns: 1fr; gap: 3rem; }
}

.bio-photo { position: sticky; top: 6rem; }

.photo-frame {
  aspect-ratio: 3/4;
  background:
    linear-gradient(135deg, var(--bg-elevated), var(--bg-soft)),
    radial-gradient(circle at 30% 30%, rgba(201, 169, 110, 0.15) 0%, transparent 60%);
  border: 1px solid var(--gold-dim);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
  position: relative;
  overflow: hidden;
}

.photo-frame::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 50% 30%, rgba(201, 169, 110, 0.1) 0%, transparent 50%);
}

.photo-placeholder {
  position: relative;
  z-index: 2;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
}

.photo-name {
  font-family: var(--serif);
  font-size: 1.4rem;
  letter-spacing: 0.05em;
  color: var(--text);
}

.photo-title {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  color: var(--gold);
}

.bio-meta {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  padding: 1rem;
  background: var(--bg-soft);
  border: 1px solid var(--border);
}

.bio-meta-row {
  display: flex;
  justify-content: space-between;
  font-family: var(--mono);
  font-size: 0.75rem;
  padding: 0.4rem 0;
  border-bottom: 1px dashed var(--border);
}

.bio-meta-row:last-child { border: none; }

.meta-key { color: var(--text-dim); letter-spacing: 0.1em; }
.meta-val { color: var(--text-muted); }

.bio-content p, .bio-content h3 {
  margin-bottom: 1.25rem;
}

.bio-lede {
  font-family: var(--serif);
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  color: var(--gold);
  line-height: 1.2;
  margin-bottom: 2rem !important;
}

.bio-content p {
  color: var(--text-muted);
  font-size: 1.05rem;
  line-height: 1.7;
}

.bio-content h3 {
  font-family: var(--serif);
  font-size: 1.65rem;
  font-weight: 400;
  color: var(--text);
  margin-top: 2.5rem;
  letter-spacing: -0.01em;
}

/* PRINCIPLES */
.principles {
  padding: clamp(4rem, 8vw, 7rem) var(--pad);
  max-width: var(--max);
  margin: 0 auto;
  border-bottom: 1px solid var(--border);
}

.principles-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2.5rem;
  margin-top: 2rem;
}

.principle {
  border-left: 2px solid var(--gold);
  padding-left: 1.5rem;
}

.principle-num {
  font-family: var(--serif);
  font-style: italic;
  font-size: 1.5rem;
  color: var(--gold);
  margin-bottom: 0.5rem;
}

.principle h3 {
  font-family: var(--serif);
  font-size: 1.5rem;
  font-weight: 400;
  margin-bottom: 0.75rem;
  letter-spacing: -0.01em;
}

.principle p {
  color: var(--text-muted);
  line-height: 1.6;
}

/* STACK SECTION */
.stack-section {
  padding: clamp(4rem, 8vw, 7rem) var(--pad);
  max-width: var(--max);
  margin: 0 auto;
  border-bottom: 1px solid var(--border);
}

.stack-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 0;
  border-top: 1px solid var(--border);
  border-left: 1px solid var(--border);
  margin-top: 2rem;
}

.stack-col {
  padding: 2rem;
  border-right: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.stack-col-label {
  font-family: var(--mono);
  font-size: 0.7rem;
  color: var(--gold);
  letter-spacing: 0.15em;
  margin-bottom: 1.5rem;
}

.stack-col ul {
  list-style: none;
}

.stack-col li {
  font-family: var(--mono);
  font-size: 0.85rem;
  padding: 0.6rem 0;
  border-bottom: 1px dashed var(--border);
  color: var(--text-muted);
}

.stack-col li:last-child { border: none; }

/* ============================================
   CONTACT PAGE
   ============================================ */

.contact-grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 4rem;
  padding: clamp(4rem, 8vw, 7rem) var(--pad);
  max-width: var(--max);
  margin: 0 auto;
  border-bottom: 1px solid var(--border);
}

@media (max-width: 900px) {
  .contact-grid { grid-template-columns: 1fr; gap: 3rem; }
}

.contact-card {
  background: var(--bg-soft);
  border: 1px solid var(--border);
  padding: clamp(2rem, 5vw, 3.5rem);
  position: relative;
  overflow: hidden;
}

.contact-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
}

.contact-card h2 {
  font-family: var(--serif);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 400;
  margin: 0.5rem 0 1.25rem;
  letter-spacing: -0.02em;
}

.contact-card > p {
  color: var(--text-muted);
  margin-bottom: 2rem;
  font-size: 1.05rem;
}

.call-info {
  margin-top: 2.5rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.call-row {
  display: flex;
  justify-content: space-between;
  padding: 0.6rem 0;
  border-bottom: 1px dashed var(--border);
  font-family: var(--mono);
  font-size: 0.8rem;
}

.call-row:last-child { border: none; }
.call-key { color: var(--text-dim); letter-spacing: 0.1em; }
.call-val { color: var(--text); }

.contact-secondary {
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
}

.contact-block {
  border-top: 1px solid var(--border);
  padding-top: 1.5rem;
}

.contact-label {
  font-family: var(--mono);
  font-size: 0.7rem;
  color: var(--gold);
  letter-spacing: 0.15em;
  margin-bottom: 0.75rem;
}

.contact-link {
  font-family: var(--serif);
  font-size: 1.5rem;
  color: var(--text);
  display: inline-block;
  margin-bottom: 0.5rem;
  transition: color 0.2s;
  border-bottom: 1px solid var(--border);
  padding-bottom: 0.25rem;
}

.contact-link:hover { color: var(--gold); border-bottom-color: var(--gold); }

.contact-fine {
  font-size: 0.85rem;
  color: var(--text-dim);
  margin-top: 0.5rem;
}

.entity-grid {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.entity-row {
  display: flex;
  justify-content: space-between;
  padding: 0.5rem 0;
  border-bottom: 1px dashed var(--border);
  font-family: var(--mono);
  font-size: 0.78rem;
}

.entity-key { color: var(--text-dim); letter-spacing: 0.1em; }
.entity-val { color: var(--text-muted); }

/* FAQ */
.faq {
  padding: clamp(4rem, 8vw, 7rem) var(--pad);
  max-width: 900px;
  margin: 0 auto;
  border-bottom: 1px solid var(--border);
}

.faq-grid {
  display: flex;
  flex-direction: column;
  gap: 0;
  border-top: 1px solid var(--border);
}

.faq-item {
  border-bottom: 1px solid var(--border);
  padding: 1.5rem 0;
}

.faq-item summary {
  font-family: var(--serif);
  font-size: 1.4rem;
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding: 0.5rem 0;
  letter-spacing: -0.01em;
  transition: color 0.2s;
}

.faq-item summary::-webkit-details-marker { display: none; }

.faq-item summary::after {
  content: '+';
  color: var(--gold);
  font-size: 1.5rem;
  font-family: var(--mono);
  transition: transform 0.3s;
  flex-shrink: 0;
}

.faq-item[open] summary::after {
  content: '−';
  transform: rotate(180deg);
}

.faq-item summary:hover { color: var(--gold); }

.faq-body {
  padding: 1.25rem 0 0.5rem;
  color: var(--text-muted);
  line-height: 1.65;
}

.faq-body p {
  margin-bottom: 0.75rem;
}

.faq-body p:last-child { margin-bottom: 0; }

/* ============================================
   FOOTER
   ============================================ */

.footer {
  padding: clamp(3rem, 6vw, 5rem) var(--pad) 2rem;
  background: var(--bg-soft);
  border-top: 1px solid var(--border);
}

.footer-grid {
  max-width: var(--max);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 3rem;
}

@media (max-width: 768px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 2.5rem;
  }
  .footer-brand {
    grid-column: 1 / -1;
  }
}

.footer-brand .logo {
  margin-bottom: 1rem;
}

.footer-tag {
  color: var(--text-muted);
  font-size: 0.95rem;
  max-width: 35ch;
  font-family: var(--serif);
  font-style: italic;
  font-size: 1.05rem;
}

.footer-col {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.footer-label {
  font-family: var(--mono);
  font-size: 0.7rem;
  color: var(--gold);
  letter-spacing: 0.15em;
  margin-bottom: 0.5rem;
}

.footer-col a {
  font-size: 0.9rem;
  color: var(--text-muted);
  transition: color 0.2s;
}

.footer-col a:hover { color: var(--text); }

.footer-meta {
  font-family: var(--mono);
  font-size: 0.75rem;
  color: var(--text-dim);
  letter-spacing: 0.05em;
  margin-top: 0.5rem;
}

.footer-bottom {
  max-width: var(--max);
  margin: 0 auto;
  padding-top: 2rem;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  font-family: var(--mono);
  font-size: 0.75rem;
  color: var(--text-dim);
  letter-spacing: 0.05em;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-built {
  text-align: right;
}

/* ============================================
   ACCESSIBILITY
   ============================================ */

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
  .ticker { animation: none; }
}

::selection {
  background: var(--gold);
  color: var(--bg);
}