/* ─────────────────────────────────────────────
   RESET & BASE
───────────────────────────────────────────── */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --black:      #0a0a0a;
  --dark:       #111111;
  --dark-mid:   #1a1a1a;
  --mid:        #2a2a2a;
  --border:     #2e2e2e;
  --muted:      #666666;
  --light-muted:#999999;
  --light:      #cccccc;
  --white:      #f5f4f0;
  --accent:     #c8a96e;       /* warm gold — authoritative, premium */
  --accent-dim: rgba(200,169,110,0.15);

  --font-serif: 'Playfair Display', Georgia, serif;
  --font-sans:  'Inter', system-ui, sans-serif;

  --max-w: 1200px;
  --section-pad: clamp(80px, 10vw, 140px);
}

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

body {
  background: var(--black);
  color: var(--white);
  font-family: var(--font-sans);
  font-weight: 400;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: inherit;
  text-decoration: none;
}

/* ─────────────────────────────────────────────
   TYPOGRAPHY SYSTEM
───────────────────────────────────────────── */
h1, h2, h3 {
  font-family: var(--font-serif);
  line-height: 1.1;
  letter-spacing: -0.02em;
}

h1 { font-size: clamp(3rem, 6vw, 5.5rem); font-weight: 900; }
h2 { font-size: clamp(2rem, 4vw, 3.5rem); font-weight: 700; }
h3 { font-size: clamp(1.4rem, 2.5vw, 2rem); font-weight: 700; }
h4 { font-size: 1rem; font-weight: 600; font-family: var(--font-sans); letter-spacing: 0; }

p { font-size: clamp(1rem, 1.5vw, 1.125rem); color: var(--light); line-height: 1.75; }

.lede {
  font-size: clamp(1.1rem, 2vw, 1.35rem);
  color: var(--white);
  font-weight: 300;
  line-height: 1.65;
}

.label {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 20px;
}

.label--light {
  color: var(--accent);
}

/* ─────────────────────────────────────────────
   BUTTONS
───────────────────────────────────────────── */
.btn {
  display: inline-block;
  padding: 14px 32px;
  font-family: var(--font-sans);
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  cursor: pointer;
  transition: all 0.2s ease;
  border: 1px solid transparent;
}

.btn--primary {
  background: var(--accent);
  color: var(--black);
  border-color: var(--accent);
}

.btn--primary:hover {
  background: transparent;
  color: var(--accent);
}

.btn--ghost {
  background: transparent;
  color: var(--white);
  border-color: var(--border);
}

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

/* ─────────────────────────────────────────────
   NAV
───────────────────────────────────────────── */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: transparent;
  transition: background 0.3s ease, border-bottom 0.3s ease;
}

.nav.scrolled {
  background: rgba(10, 10, 10, 0.97);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(12px);
}

.nav__inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 24px 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav__logo {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--white);
  letter-spacing: -0.02em;
}

.nav__links {
  list-style: none;
  display: flex;
  align-items: center;
  gap: 36px;
}

.nav__links a {
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--light-muted);
  transition: color 0.2s;
}

.nav__links a:hover { color: var(--white); }

.nav__cta {
  background: var(--accent) !important;
  color: var(--black) !important;
  padding: 10px 22px;
  font-size: 0.75rem !important;
}

.nav__cta:hover {
  background: transparent !important;
  color: var(--accent) !important;
  outline: 1px solid var(--accent);
}

/* ─────────────────────────────────────────────
   HERO
───────────────────────────────────────────── */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: var(--black);
  position: relative;
  overflow: hidden;
  padding: 120px 40px 80px;
}

.hero::before {
  content: '';
  position: absolute;
  top: -20%;
  right: -10%;
  width: 60vw;
  height: 60vw;
  background: radial-gradient(circle, rgba(200,169,110,0.06) 0%, transparent 65%);
  pointer-events: none;
}

.hero__inner {
  max-width: var(--max-w);
  margin: 0 auto;
  width: 100%;
}

.hero__eyebrow {
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 28px;
}

.hero__headline {
  color: var(--white);
  margin-bottom: 32px;
  max-width: 14ch;
}

.hero__headline em {
  font-style: italic;
  color: var(--accent);
}

.hero__sub {
  font-size: clamp(1.1rem, 1.8vw, 1.3rem);
  color: var(--light-muted);
  max-width: 580px;
  margin-bottom: 48px;
  font-weight: 300;
  line-height: 1.7;
}

.hero__actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

/* ─────────────────────────────────────────────
   SIGNAL BAR (CLIENTS)
───────────────────────────────────────────── */
.signal {
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: var(--dark);
  padding: 28px 40px;
}

.signal__inner {
  max-width: var(--max-w);
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 48px;
  flex-wrap: wrap;
}

.signal__label {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
  white-space: nowrap;
  flex-shrink: 0;
}

.signal__logos {
  display: flex;
  align-items: center;
  gap: 36px;
  flex-wrap: wrap;
}

.signal__logos span {
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--light-muted);
  white-space: nowrap;
}

/* ─────────────────────────────────────────────
   POSITIONING / APPROACH
───────────────────────────────────────────── */
.positioning {
  padding: var(--section-pad) 40px;
  background: var(--dark);
}

.positioning__inner {
  max-width: var(--max-w);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 80px;
  align-items: start;
}

.positioning__left h2 {
  color: var(--white);
  position: sticky;
  top: 100px;
}

.positioning__right p {
  margin-bottom: 28px;
}

.positioning__pillars {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  margin-top: 48px;
  border-top: 1px solid var(--border);
}

.pillar {
  padding: 28px 0;
  border-bottom: 1px solid var(--border);
}

.pillar h4 {
  color: var(--white);
  margin-bottom: 10px;
  font-size: 0.9rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.pillar p {
  font-size: 0.95rem;
  color: var(--light-muted);
  line-height: 1.65;
}

/* ─────────────────────────────────────────────
   WORK / CASE STUDIES
───────────────────────────────────────────── */
.work {
  padding: var(--section-pad) 40px;
  background: var(--black);
}

.work__inner {
  max-width: var(--max-w);
  margin: 0 auto;
}

.work__header {
  margin-bottom: 64px;
}

.work__header h2 {
  color: var(--white);
}

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

.case {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 60px;
  padding: 52px 0;
  border-bottom: 1px solid var(--border);
  transition: background 0.2s;
}

.case:hover {
  background: rgba(255,255,255,0.015);
}

.case__meta {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding-top: 6px;
}

.case__industry {
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  color: var(--accent);
  line-height: 1.5;
}

.case__type {
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
}

.case__title {
  color: var(--white);
  margin-bottom: 20px;
  font-size: clamp(1.25rem, 2vw, 1.6rem);
}

.case__outcome {
  color: var(--light);
  margin-bottom: 16px;
}

.case__detail {
  color: var(--light-muted);
  font-size: 0.95rem;
  margin-bottom: 32px;
}

/* ── Case study narrative (Challenge → Approach → Outcome) ── */
.case__narrative {
  display: flex;
  flex-direction: column;
  gap: 0;
  margin-bottom: 36px;
  border-left: 2px solid var(--border);
}

.narrative-block {
  padding: 24px 0 24px 28px;
  border-bottom: 1px solid var(--border);
  position: relative;
}

.narrative-block:last-child {
  border-bottom: none;
}

.narrative-block::before {
  content: '';
  position: absolute;
  left: -5px;
  top: 28px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--border);
  transition: background 0.2s;
}

.case:hover .narrative-block::before {
  background: var(--accent);
}

.narrative-label {
  display: block;
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 10px;
}

.narrative-block p {
  font-size: 0.95rem;
  color: var(--light-muted);
  line-height: 1.7;
  margin: 0;
}

/* ── Process artifact slot ── */
.case__artifact {
  margin-bottom: 36px;
}

.artifact__label {
  display: block;
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 14px;
}

.artifact__frame {
  border: 1px solid var(--border);
  background: var(--dark-mid);
  overflow: hidden;
}

.artifact__img {
  display: block;
  width: 100%;
  height: auto;
}

/* Shown only when src is empty — hides itself once a real image is set */
.artifact__placeholder {
  display: none;
}

.artifact__placeholder[src=""] {
  display: flex;
}

/* Visible placeholder stand-in when no image loaded */
.artifact__frame:has(.artifact__placeholder[src=""]) {
  min-height: 280px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  border: 1px dashed var(--border);
  background: repeating-linear-gradient(
    -45deg,
    transparent,
    transparent 12px,
    rgba(255,255,255,0.015) 12px,
    rgba(255,255,255,0.015) 24px
  );
}

.artifact__frame:has(.artifact__placeholder[src=""])::before {
  content: '[ Process artifact — add image file here ]';
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  color: var(--muted);
  text-transform: uppercase;
}

.artifact__caption {
  padding: 14px 20px;
  font-size: 0.75rem;
  color: var(--muted);
  border-top: 1px solid var(--border);
  letter-spacing: 0.05em;
}

/* Wide-format artifact — for merged framework images */
.artifact__frame--wide {
  width: 100%;
}

.artifact__placeholder--wide[src=""] ~ .artifact__caption,
.artifact__frame--wide:has(.artifact__placeholder--wide[src=""])::before {
  content: '[ Wide-format framework artifact — add image file here ]';
}

.artifact__frame--wide:has(.artifact__placeholder--wide[src=""]) {
  min-height: 360px;
}

.case__impact {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  border-top: 1px solid var(--border);
  padding-top: 28px;
  margin-top: 8px;
}

.impact-item {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.impact-item strong {
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--muted);
}

.impact-item span {
  font-size: 0.875rem;
  color: var(--light);
  line-height: 1.5;
}

/* ─────────────────────────────────────────────
   SPEAKING
───────────────────────────────────────────── */
.speaking {
  padding: var(--section-pad) 40px;
  background: var(--dark-mid);
}

.speaking__inner {
  max-width: var(--max-w);
  margin: 0 auto;
}

.speaking__header {
  margin-bottom: 64px;
  max-width: 680px;
}

.speaking__header h2 {
  color: var(--white);
  margin-bottom: 20px;
}

.speaking__header p {
  color: var(--light-muted);
}

.speaking__category {
  margin-bottom: 56px;
}

.speaking__cat-label {
  display: block;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 20px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--border);
}

.speaking__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  border-top: none;
  border-left: 1px solid var(--border);
}

.talk {
  padding: 32px 28px;
  border-right: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  transition: background 0.2s;
}

.talk:hover {
  background: var(--mid);
}

.talk__type {
  display: inline-block;
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 14px;
}

.talk h4 {
  color: var(--white);
  font-size: 0.95rem;
  font-weight: 600;
  margin-bottom: 10px;
  line-height: 1.4;
}

.talk p {
  font-size: 0.875rem;
  color: var(--light-muted);
  line-height: 1.6;
}

.speaking__topics {
  background: var(--mid);
  border: 1px solid var(--border);
  padding: 48px;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 48px;
  align-items: center;
}

.speaking__topics-label {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 20px;
}

.speaking__topics ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.speaking__topics ul li {
  font-size: 0.95rem;
  color: var(--light);
  padding-left: 20px;
  position: relative;
}

.speaking__topics ul li::before {
  content: '—';
  position: absolute;
  left: 0;
  color: var(--accent);
  font-size: 0.8rem;
}

/* ─────────────────────────────────────────────
   CREDENTIALS STRIP
───────────────────────────────────────────── */
.credentials {
  background: var(--dark);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 48px 40px;
}

.credentials__inner {
  max-width: var(--max-w);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 40px;
}

.cred {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding-right: 40px;
  border-right: 1px solid var(--border);
}

.cred:last-child {
  border-right: none;
  padding-right: 0;
}

.cred strong {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.cred span {
  font-size: 0.85rem;
  color: var(--light-muted);
  line-height: 1.5;
}

/* ─────────────────────────────────────────────
   BIO
───────────────────────────────────────────── */
.bio {
  position: relative;
  padding: var(--section-pad) 40px;
  overflow: hidden;
  background: var(--black);
}

/* Full-bleed background photo */
.bio__bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center 30%;
  background-repeat: no-repeat;
  filter: grayscale(30%);
  transform: scale(1.02); /* prevents edge flash on hover */
  transition: transform 8s ease, filter 8s ease;
}

.bio:hover .bio__bg {
  transform: scale(1.05);
  filter: grayscale(10%);
}

/* Layered overlay: heavy on left for text legibility, fades to darker right */
.bio__overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(to right,
      rgba(10,10,10,0.92) 0%,
      rgba(10,10,10,0.75) 45%,
      rgba(10,10,10,0.35) 75%,
      rgba(10,10,10,0.55) 100%
    ),
    linear-gradient(to top,
      rgba(10,10,10,0.7) 0%,
      transparent 40%
    );
}

.bio__inner {
  position: relative; /* sits above overlay */
  max-width: var(--max-w);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.bio__text h2 {
  color: var(--white);
  margin-bottom: 28px;
}

.bio__text p {
  color: var(--light-muted);
  margin-bottom: 20px;
}

.bio__links {
  display: flex;
  gap: 24px;
  margin-top: 36px;
}

.bio__links a {
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  border-bottom: 1px solid rgba(200,169,110,0.3);
  padding-bottom: 2px;
  transition: border-color 0.2s;
}

.bio__links a:hover {
  border-color: var(--accent);
}

/* ─────────────────────────────────────────────
   CONTACT
───────────────────────────────────────────── */
.contact {
  padding: var(--section-pad) 40px;
  background: var(--dark-mid);
  text-align: center;
}

.contact__inner {
  max-width: 680px;
  margin: 0 auto;
}

.contact__inner h2 {
  color: var(--white);
  margin-bottom: 24px;
}

.contact__inner p {
  color: var(--light-muted);
  margin-bottom: 48px;
}

.contact__email {
  display: inline-block;
  font-family: var(--font-serif);
  font-size: clamp(1.5rem, 3vw, 2.5rem);
  font-weight: 700;
  color: var(--accent);
  border-bottom: 2px solid rgba(200,169,110,0.3);
  padding-bottom: 4px;
  margin-bottom: 28px;
  letter-spacing: -0.02em;
  transition: border-color 0.2s;
}

.contact__email:hover {
  border-color: var(--accent);
}

.contact__note {
  font-size: 0.8rem;
  color: var(--muted);
  letter-spacing: 0.06em;
}

/* ─────────────────────────────────────────────
   FOOTER
───────────────────────────────────────────── */
.footer {
  background: var(--black);
  border-top: 1px solid var(--border);
  padding: 32px 40px;
}

.footer__inner {
  max-width: var(--max-w);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px 24px;
}

.footer__name {
  font-family: var(--font-serif);
  font-size: 1rem;
  font-weight: 700;
  color: var(--white);
}

.footer__copy {
  font-size: 0.75rem;
  color: var(--muted);
}

.footer__collab {
  font-size: 0.7rem;
  color: var(--muted);
  opacity: 0.6;
}

.footer__collab a {
  color: var(--muted);
  border-bottom: 1px solid rgba(102,102,102,0.3);
  transition: color 0.2s, border-color 0.2s;
}

.footer__collab a:hover {
  color: var(--accent);
  border-color: var(--accent);
}

.footer__copy {
  font-size: 0.75rem;
  color: var(--muted);
}

/* ─────────────────────────────────────────────
   RESPONSIVE
───────────────────────────────────────────── */
@media (max-width: 1024px) {
  .positioning__inner {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .positioning__left h2 {
    position: static;
  }

  .case {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .case__impact {
    grid-template-columns: 1fr 1fr;
  }

  .speaking__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .credentials__inner {
    grid-template-columns: repeat(2, 1fr);
  }

  .cred:nth-child(2) {
    border-right: none;
    padding-right: 0;
  }

  .cred:nth-child(3) {
    border-right: 1px solid var(--border);
    padding-right: 40px;
  }

  .bio__inner {
    grid-template-columns: 1fr;
    gap: 0;
  }

  .speaking__topics {
    grid-template-columns: 1fr;
    gap: 32px;
  }
}

@media (max-width: 768px) {
  :root { --section-pad: 64px; }

  .nav__inner { padding: 20px 24px; }

  .hero { padding: 100px 24px 64px; }

  .signal { padding: 24px; }
  .signal__inner { gap: 20px; }
  .signal__logos { gap: 20px; }

  .positioning,
  .work,
  .speaking,
  .bio,
  .contact { padding: var(--section-pad) 24px; }

  .credentials { padding: 40px 24px; }

  .case__impact { grid-template-columns: 1fr; gap: 16px; }

  .speaking__grid { grid-template-columns: 1fr; }

  .speaking__topics { padding: 32px 24px; }

  .credentials__inner {
    grid-template-columns: 1fr;
  }

  .cred {
    border-right: none;
    padding-right: 0;
    padding-bottom: 28px;
    border-bottom: 1px solid var(--border);
  }

  .cred:last-child {
    border-bottom: none;
    padding-bottom: 0;
  }

  .nav__links { gap: 20px; }

  .footer__inner { flex-direction: column; gap: 8px; text-align: center; }

  .footer { padding: 28px 24px; }
}

@media (max-width: 480px) {
  .nav__links li:not(:last-child) { display: none; }
  .hero__actions { flex-direction: column; }
  .hero__actions .btn { text-align: center; }
}

/* ─────────────────────────────────────────────
   SCROLL ANIMATIONS
───────────────────────────────────────────── */
.fade-up {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}