/* ============================================================
   David Kirui — premium portfolio
   Default theme: black + gold. The header toggle (or
   data-theme="light" on <html>) switches to white + gold.
   Cormorant (display serif) + Jost (sans).
   ============================================================ */

:root {
  /* black + gold (default) */
  --bg:        #0b0b0c;
  --bg-2:      #100f11;
  --surface:   #17161a;
  --surface-2: #1d1b21;
  --text:      #e7e1d4;
  --muted:     #9a9184;
  --head:      #efe9db;
  --gold:      #c9a24b;
  --gold-ink:  #d9b767;
  --line:      rgba(255, 255, 255, 0.09);
  --line-2:    rgba(255, 255, 255, 0.05);
  --line-gold: rgba(201, 162, 75, 0.40);
  --soft:      rgba(201, 162, 75, 0.09);
  --softer:    rgba(201, 162, 75, 0.05);
  --btn-fg:    #14100a;
  --gold-grad: linear-gradient(96deg, #efd79a 0%, #c9a24b 55%, #a87f2c 100%);
  --shadow:    0 40px 80px -40px rgba(0, 0, 0, 0.75);
  --shadow-lift: 0 28px 60px -34px rgba(0, 0, 0, 0.85);
  --grain-op:  0.035;
  --spot-op:   0.5;

  --maxw: 1140px;
  --gap: clamp(5rem, 9vw, 8.5rem);
  --radius: 3px;

  /* motion */
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-soft: cubic-bezier(0.4, 0, 0.2, 1);
  --dur: 0.7s;
}

html[data-theme="light"] {
  --bg:        #ffffff;
  --bg-2:      #f8f4ec;
  --surface:   #ffffff;
  --surface-2: #faf6ee;
  --text:      #2a2620;
  --muted:     #756d5f;
  --head:      #1a1711;
  --gold:      #b8912f;
  --gold-ink:  #8a6a15;
  --line:      rgba(26, 20, 8, 0.12);
  --line-2:    rgba(26, 20, 8, 0.07);
  --line-gold: rgba(160, 125, 40, 0.50);
  --soft:      rgba(184, 145, 47, 0.10);
  --softer:    rgba(184, 145, 47, 0.05);
  --btn-fg:    #ffffff;
  --gold-grad: linear-gradient(96deg, #c9a24b 0%, #a67d1c 100%);
  --shadow:    0 40px 80px -50px rgba(60, 45, 10, 0.35);
  --shadow-lift: 0 28px 60px -40px rgba(60, 45, 10, 0.30);
  --grain-op:  0.020;
  --spot-op:   0.30;
}

/* ---------- base ---------- */
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  font-family: "Jost", system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.72;
  font-size: 1.04rem;
  letter-spacing: 0.005em;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  margin: 0;
  overflow-x: hidden;
  transition: background-color 0.5s var(--ease-soft), color 0.5s var(--ease-soft);
}

h1, h2, h3, h4 {
  font-family: "Cormorant", Georgia, serif;
  color: var(--head);
  font-weight: 600;
  line-height: 1.06;
  margin: 0;
}

p { margin: 0 0 1.1rem; }
a { color: inherit; text-decoration: none; }
svg { fill: none; stroke: currentColor; stroke-width: 1.5; stroke-linecap: round; stroke-linejoin: round; }

::selection { background: var(--gold); color: #1a1408; }
:focus-visible { outline: 2px solid var(--gold); outline-offset: 3px; border-radius: 2px; }

.skip {
  position: absolute; left: -9999px; top: 0; z-index: 200;
  background: var(--gold); color: var(--btn-fg); padding: 0.7rem 1.2rem; font-size: 0.9rem;
}
.skip:focus { left: 1rem; top: 1rem; }

/* gold text (gradient) helper */
.gold-text {
  background: var(--gold-grad);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent; color: transparent;
}

/* ---------- ambient layers ---------- */
.grain {
  position: fixed; inset: 0; z-index: 3; pointer-events: none;
  opacity: var(--grain-op); mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}
.spotlight {
  position: fixed; inset: 0; z-index: 4; pointer-events: none; opacity: 0;
  transition: opacity 0.6s var(--ease-soft);
  background: radial-gradient(420px circle at var(--mx, 50%) var(--my, 30%), var(--soft), transparent 68%);
}
body.has-pointer .spotlight { opacity: var(--spot-op); }

/* ---------- layout ---------- */
.wrap { width: 100%; max-width: var(--maxw); margin-inline: auto; padding-inline: clamp(1.35rem, 5vw, 3rem); }
.section { padding-block: var(--gap); position: relative; }
.bg-alt { background: var(--bg-2); transition: background-color 0.5s var(--ease-soft); }
main { position: relative; z-index: 2; }

.section-head { margin-bottom: 3.5rem; max-width: 62ch; }
.section-index {
  display: inline-flex; align-items: center; gap: 0.9rem;
  font-family: "Cormorant", serif; font-style: italic;
  font-size: 1.25rem; color: var(--gold); margin-bottom: 1rem;
}
.section-index::after {
  content: ""; height: 1px; background: var(--line-gold);
  width: 54px; transform-origin: left; transform: scaleX(0);
  transition: transform 0.9s var(--ease) 0.15s;
}
.reveal.in .section-index::after, .in > .section-index::after { transform: scaleX(1); }
.section-head.in .section-index::after { transform: scaleX(1); }
.section-title { font-size: clamp(2.1rem, 5.2vw, 3.5rem); letter-spacing: -0.01em; }
.section-lead { color: var(--muted); max-width: 56ch; margin-top: 1rem; font-size: 1.08rem; }

/* ---------- nav ---------- */
.nav {
  position: sticky; top: 0; z-index: 50;
  background: var(--bg);
  background: color-mix(in srgb, var(--bg) 78%, transparent);
  backdrop-filter: saturate(150%) blur(14px);
  -webkit-backdrop-filter: saturate(150%) blur(14px);
  border-bottom: 1px solid var(--line-2);
  transition: border-color 0.4s var(--ease-soft), background-color 0.4s var(--ease-soft);
}
.nav.is-stuck { border-bottom-color: var(--line); box-shadow: 0 18px 40px -36px rgba(0,0,0,0.9); }
.nav .wrap { display: flex; align-items: center; justify-content: space-between; gap: 1rem; height: 78px; transition: height 0.4s var(--ease); }
.nav.is-stuck .wrap { height: 66px; }

.scroll-progress {
  position: absolute; left: 0; bottom: -1px; height: 2px; width: 100%;
  background: var(--gold-grad); transform-origin: left; transform: scaleX(0);
}

.brand { display: inline-flex; align-items: center; gap: 0.75rem; color: var(--head);
  font-family: "Cormorant", serif; font-weight: 700; font-size: 1.4rem; letter-spacing: 0.01em; }
.brand-mark {
  position: relative; display: grid; place-items: center; width: 38px; height: 38px;
  border: 1px solid var(--line-gold); color: var(--gold); overflow: hidden;
  font-family: "Cormorant", serif; font-size: 0.95rem; letter-spacing: 0.04em; border-radius: 2px;
  transition: color 0.35s var(--ease-soft), border-color 0.35s var(--ease-soft);
}
.brand-mark::before {
  content: ""; position: absolute; inset: 0; background: var(--gold-grad);
  transform: translateY(101%); transition: transform 0.45s var(--ease);
}
.brand-mark span { position: relative; z-index: 1; transition: color 0.35s var(--ease-soft); }
.brand:hover .brand-mark::before { transform: translateY(0); }
.brand:hover .brand-mark span { color: var(--btn-fg); }
.brand:hover .brand-mark { border-color: transparent; }

.nav-links { display: flex; align-items: center; gap: 2.1rem; list-style: none; margin: 0; padding: 0; }
.nav-links a {
  position: relative; display: inline-block; overflow: hidden;
  color: var(--muted); font-size: 0.95rem; letter-spacing: 0.02em; padding: 0.35rem 0;
  transition: color 0.25s var(--ease-soft);
}
.nav-links a::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 1px; background: var(--gold);
  transform: scaleX(0); transform-origin: right; transition: transform 0.4s var(--ease);
}
.nav-links a:hover::after, .nav-links a.active::after { transform: scaleX(1); transform-origin: left; }
.nav-links a:hover, .nav-links a.active { color: var(--head); }

.nav-actions { display: flex; align-items: center; gap: 0.6rem; }
.theme-toggle, .nav-toggle {
  background: none; border: 1px solid var(--line); width: 42px; height: 42px;
  color: var(--head); cursor: pointer; border-radius: 2px; display: grid; place-items: center;
  transition: border-color 0.25s var(--ease-soft), background-color 0.25s var(--ease-soft), transform 0.25s var(--ease);
}
.theme-toggle:hover, .nav-toggle:hover { border-color: var(--line-gold); background: var(--softer); }
.theme-toggle:active { transform: scale(0.94); }
.theme-toggle svg { width: 18px; height: 18px; color: var(--gold-ink); transition: opacity 0.35s var(--ease-soft), transform 0.45s var(--ease); grid-area: 1 / 1; }
.ico-sun { opacity: 0; transform: rotate(-90deg) scale(0.6); }
html[data-theme="light"] .ico-moon { opacity: 0; transform: rotate(90deg) scale(0.6); }
html[data-theme="light"] .ico-sun { opacity: 1; transform: none; }

.nav-toggle { display: none; }
.nav-toggle span, .nav-toggle span::before, .nav-toggle span::after {
  content: ""; display: block; width: 19px; height: 1px; background: var(--head); position: relative;
  transition: transform 0.35s var(--ease), opacity 0.2s linear;
}
.nav-toggle span::before { position: absolute; top: -6px; }
.nav-toggle span::after  { position: absolute; top: 6px; }
.nav-toggle[aria-expanded="true"] span { background: transparent; }
.nav-toggle[aria-expanded="true"] span::before { transform: translateY(6px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span::after  { transform: translateY(-6px) rotate(-45deg); }

/* ---------- hero ---------- */
.hero { position: relative; overflow: hidden; }
.hero .wrap {
  position: relative; z-index: 2; display: grid; grid-template-columns: 1.22fr 0.78fr;
  gap: clamp(2.5rem, 6vw, 5rem); align-items: center;
  padding-block: clamp(4.5rem, 11vw, 9rem) clamp(5.5rem, 12vw, 10rem);
}

/* drifting aurora */
.aurora { position: absolute; inset: -20% -10%; pointer-events: none; z-index: 0; filter: blur(70px); }
.orb { position: absolute; display: block; border-radius: 50%; opacity: 0.55; }
.orb-1 { width: 46vw; height: 46vw; top: -6%; right: -4%; background: radial-gradient(circle, rgba(201,162,75,0.30), transparent 68%); animation: drift1 24s var(--ease-soft) infinite alternate; }
.orb-2 { width: 34vw; height: 34vw; bottom: -12%; left: -6%; background: radial-gradient(circle, rgba(201,162,75,0.16), transparent 70%); animation: drift2 30s var(--ease-soft) infinite alternate; }
.orb-3 { width: 26vw; height: 26vw; top: 32%; left: 42%; background: radial-gradient(circle, rgba(239,215,154,0.12), transparent 72%); animation: drift3 20s var(--ease-soft) infinite alternate; }
html[data-theme="light"] .orb { opacity: 0.75; }

@keyframes drift1 { from { transform: translate3d(0,0,0) scale(1); } to { transform: translate3d(-5%, 6%, 0) scale(1.12); } }
@keyframes drift2 { from { transform: translate3d(0,0,0) scale(1.05); } to { transform: translate3d(7%, -5%, 0) scale(0.95); } }
@keyframes drift3 { from { transform: translate3d(0,0,0); opacity: 0.35; } to { transform: translate3d(-8%, -7%, 0); opacity: 0.7; } }

.hero-lines {
  position: absolute; inset: 0; z-index: 1; pointer-events: none;
  background-image: linear-gradient(to right, var(--line-2) 1px, transparent 1px);
  background-size: calc(100% / 6) 100%;
  -webkit-mask-image: linear-gradient(to bottom, transparent, #000 25%, #000 70%, transparent);
  mask-image: linear-gradient(to bottom, transparent, #000 25%, #000 70%, transparent);
  opacity: 0.8;
}

.status {
  display: inline-flex; align-items: center; gap: 0.6rem;
  font-size: 0.82rem; letter-spacing: 0.04em; color: var(--muted);
  border: 1px solid var(--line-gold); border-radius: 100px; padding: 0.42rem 1rem; margin-bottom: 2.25rem;
  background: var(--softer);
}
.status .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--gold); animation: pulse 2.4s var(--ease-soft) infinite; }
@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(201,162,75,0.55); }
  60%      { box-shadow: 0 0 0 7px rgba(201,162,75,0); }
}

.hero-title { font-size: clamp(3.2rem, 9vw, 6.2rem); font-weight: 700; letter-spacing: -0.015em; margin-bottom: 0.4rem; }
.hero-title .line { display: block; }
.hero-title .role {
  font-family: "Cormorant", serif; font-style: italic; font-weight: 500;
  font-size: clamp(1.5rem, 3.6vw, 2.4rem); color: var(--muted); letter-spacing: 0; margin-top: 0.45rem;
}
.hero-rule { width: 64px; height: 1px; background: var(--line-gold); margin: 1.9rem 0; }
.hero-lead { color: var(--muted); font-size: 1.15rem; max-width: 48ch; margin-bottom: 2.4rem; }
.hero-cta { display: flex; flex-wrap: wrap; gap: 0.9rem; }

.hero-marks {
  display: flex; flex-wrap: wrap; align-items: center; gap: 0.85rem;
  margin-top: 3rem; font-size: 0.82rem; letter-spacing: 0.05em; color: var(--muted); opacity: 0.85;
}
.hero-marks i { width: 3px; height: 3px; background: var(--gold); transform: rotate(45deg); display: block; }

/* profile card */
.readout {
  position: relative; background: var(--surface); border: 1px solid var(--line);
  border-radius: var(--radius); box-shadow: var(--shadow); overflow: hidden;
  transform-style: preserve-3d; transition: box-shadow 0.4s var(--ease-soft);
}
.readout::before { content: ""; position: absolute; left: 0; right: 0; top: 0; height: 2px; background: var(--gold-grad); z-index: 2; }
.readout-glow {
  position: absolute; inset: -1px; pointer-events: none; opacity: 0;
  background: radial-gradient(260px circle at var(--rx, 50%) var(--ry, 0%), var(--soft), transparent 70%);
  transition: opacity 0.45s var(--ease-soft);
}
.readout:hover .readout-glow { opacity: 1; }
.readout-bar {
  display: flex; align-items: center; justify-content: space-between; gap: 1rem;
  padding: 1.1rem 1.4rem 0.9rem; border-bottom: 1px solid var(--line);
  font-family: "Cormorant", serif; font-style: italic; font-size: 1.2rem; color: var(--gold);
}
.readout-live {
  display: inline-flex; align-items: center; gap: 0.45rem;
  font-family: "Jost", sans-serif; font-style: normal; font-size: 0.7rem;
  letter-spacing: 0.12em; text-transform: uppercase; color: var(--muted);
}
.readout-live i { width: 5px; height: 5px; border-radius: 50%; background: #5fbf7d; animation: pulse-green 2s ease-in-out infinite; }
@keyframes pulse-green { 0%, 100% { opacity: 1; } 50% { opacity: 0.35; } }

.readout-body { padding: 0.6rem 1.4rem 1.2rem; }
.readout-row {
  display: flex; justify-content: space-between; gap: 1.2rem; padding: 0.72rem 0;
  border-bottom: 1px solid var(--line); font-size: 0.95rem;
  transition: padding-left 0.3s var(--ease);
}
.readout-row:last-child { border-bottom: 0; }
.readout-row:hover { padding-left: 0.35rem; }
.readout-key { color: var(--muted); letter-spacing: 0.02em; }
.readout-val { color: var(--head); text-align: right; }
.readout-val .accent { color: var(--gold); }

/* scroll hint */
.scroll-hint {
  position: absolute; bottom: 2rem; left: 50%; transform: translateX(-50%); z-index: 3;
  display: grid; justify-items: center; gap: 0.6rem; color: var(--muted);
  font-size: 0.7rem; letter-spacing: 0.22em; text-transform: uppercase;
  opacity: 0; animation: fade-in 0.8s var(--ease) 1.1s forwards;
  transition: color 0.3s var(--ease-soft);
}
.scroll-hint:hover { color: var(--gold); }
.scroll-hint-line { width: 1px; height: 44px; background: var(--line-gold); position: relative; overflow: hidden; }
.scroll-hint-line i { position: absolute; inset: 0; background: var(--gold); animation: travel 2.2s var(--ease-soft) infinite; }
@keyframes travel { 0% { transform: translateY(-100%); } 60%, 100% { transform: translateY(100%); } }
@keyframes fade-in { to { opacity: 1; } }

/* ---------- buttons ---------- */
.btn2 {
  position: relative; display: inline-flex; align-items: center; gap: 0.6rem; overflow: hidden;
  font-family: "Jost", sans-serif; font-weight: 500; font-size: 0.98rem; letter-spacing: 0.02em;
  padding: 0.9rem 1.8rem; border-radius: var(--radius); border: 1px solid transparent;
  background: var(--gold-grad); color: var(--btn-fg); cursor: pointer;
  transition: box-shadow 0.35s var(--ease-soft), transform 0.35s var(--ease), color 0.3s var(--ease-soft);
  will-change: transform;
}
.btn2 > * { position: relative; z-index: 1; }
.btn2::after {
  content: ""; position: absolute; inset: 0; z-index: 0; opacity: 0;
  background: linear-gradient(110deg, transparent 20%, rgba(255,255,255,0.45) 50%, transparent 80%);
  transform: translateX(-120%); transition: opacity 0.2s linear;
}
.btn2:hover::after { opacity: 1; animation: sheen 0.85s var(--ease-soft); }
@keyframes sheen { to { transform: translateX(120%); } }
.btn2:hover { box-shadow: 0 18px 34px -18px rgba(201,162,75,0.7); }
.btn2:active { transform: scale(0.98); }
.btn-ico { width: 17px; height: 17px; transition: transform 0.35s var(--ease); }
.btn2:hover .btn-ico { transform: translateX(4px); }

.btn2-ghost { background: transparent; color: var(--gold-ink); border-color: var(--line-gold); }
.btn2-ghost::after { display: none; }
.btn2-ghost::before {
  content: ""; position: absolute; inset: 0; z-index: 0; background: var(--soft);
  transform: scaleX(0); transform-origin: left; transition: transform 0.45s var(--ease);
}
.btn2-ghost:hover { box-shadow: none; border-color: var(--gold); }
.btn2-ghost:hover::before { transform: scaleX(1); }

/* ---------- marquee ---------- */
.marquee {
  position: relative; overflow: hidden; border-block: 1px solid var(--line-2);
  background: var(--bg-2); padding-block: 0.95rem;
  -webkit-mask-image: linear-gradient(to right, transparent, #000 12%, #000 88%, transparent);
  mask-image: linear-gradient(to right, transparent, #000 12%, #000 88%, transparent);
}
.marquee-track { display: flex; width: max-content; animation: scroll-x 38s linear infinite; }
.marquee:hover .marquee-track { animation-play-state: paused; }
.marquee-set { display: flex; align-items: center; gap: 1.6rem; padding-right: 1.6rem; }
.marquee-set span { font-size: 0.82rem; letter-spacing: 0.16em; text-transform: uppercase; color: var(--muted); white-space: nowrap; }
.marquee-set em { color: var(--gold); font-size: 0.5rem; font-style: normal; opacity: 0.7; }
@keyframes scroll-x { to { transform: translateX(-50%); } }

/* ---------- about ---------- */
.about-grid { display: grid; grid-template-columns: 1.45fr 1fr; gap: clamp(2.5rem, 6vw, 5rem); align-items: start; }
.about-body p { font-size: 1.1rem; line-height: 1.85; color: var(--text); }
.about-body .lede {
  font-family: "Cormorant", serif; font-size: clamp(1.5rem, 2.6vw, 1.95rem);
  line-height: 1.45; color: var(--head); font-weight: 500;
}

.pillars { display: grid; gap: 1.6rem; margin-top: 3rem; }
.pillar {
  position: relative; padding-left: 3.4rem;
}
.pillar-ico {
  position: absolute; left: 0; top: 0.1rem; display: grid; place-items: center;
  width: 38px; height: 38px; border: 1px solid var(--line-gold); border-radius: 2px;
  color: var(--gold); background: var(--softer);
  transition: transform 0.4s var(--ease), background-color 0.4s var(--ease-soft);
}
.pillar-ico svg { width: 18px; height: 18px; }
.pillar:hover .pillar-ico { transform: translateY(-3px) rotate(-4deg); background: var(--soft); }
.pillar h3 { font-size: 1.35rem; margin-bottom: 0.25rem; }
.pillar p { color: var(--muted); font-size: 0.98rem; line-height: 1.65; margin: 0; }

.facts { border-top: 1px solid var(--line-gold); }
.fact {
  display: flex; justify-content: space-between; gap: 1rem; padding: 1rem 0;
  border-bottom: 1px solid var(--line); position: relative;
}
.fact::before {
  content: ""; position: absolute; left: -0.9rem; right: -0.9rem; top: 0; bottom: 0;
  background: var(--softer); opacity: 0; transition: opacity 0.3s var(--ease-soft);
}
.fact:hover::before { opacity: 1; }
.fact > * { position: relative; }
.fact-key { color: var(--muted); font-size: 0.92rem; letter-spacing: 0.02em; }
.fact-val { color: var(--head); text-align: right; }

/* ---------- skills ---------- */
.skill-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 290px), 1fr)); gap: 1.25rem; }
.skill-col {
  position: relative; padding: 1.9rem 1.7rem 2rem; border: 1px solid var(--line);
  border-radius: var(--radius); background: var(--surface);
  background: color-mix(in srgb, var(--surface) 55%, transparent);
  overflow: hidden;
  transition: transform 0.5s var(--ease), border-color 0.4s var(--ease-soft), box-shadow 0.5s var(--ease-soft);
}
.skill-col::before {
  content: ""; position: absolute; inset: 0; pointer-events: none; opacity: 0;
  background: radial-gradient(240px circle at var(--gx, 50%) var(--gy, 50%), var(--soft), transparent 65%);
  transition: opacity 0.4s var(--ease-soft);
}
.skill-col::after {
  content: ""; position: absolute; left: 0; top: 0; height: 2px; width: 100%;
  background: var(--gold-grad); transform: scaleX(0); transform-origin: left;
  transition: transform 0.55s var(--ease);
}
.skill-col:hover { transform: translateY(-5px); border-color: var(--line-gold); box-shadow: var(--shadow-lift); }
.skill-col:hover::before { opacity: 1; }
.skill-col:hover::after { transform: scaleX(1); }

.skill-col h3 {
  position: relative; font-size: 1.5rem; padding-bottom: 0.8rem; margin-bottom: 1.1rem;
  border-bottom: 1px solid var(--line-gold); display: flex; align-items: baseline; gap: 0.7rem;
}
.skill-col h3 .n { font-family: "Cormorant", serif; font-style: italic; font-size: 1rem; color: var(--gold); font-weight: 500; }
.skill-list { position: relative; list-style: none; margin: 0; padding: 0; }
.skill-list li {
  padding: 0.42rem 0; color: var(--text); display: flex; align-items: center; gap: 0.7rem; font-size: 0.99rem;
  transition: transform 0.3s var(--ease), color 0.3s var(--ease-soft);
}
.skill-list li::before {
  content: ""; width: 4px; height: 4px; transform: rotate(45deg); background: var(--gold); flex: none;
  transition: transform 0.35s var(--ease);
}
.skill-list li:hover { transform: translateX(4px); color: var(--head); }
.skill-list li:hover::before { transform: rotate(135deg) scale(1.3); }

/* ---------- work / NDA cases ---------- */
.nda-note {
  display: flex; gap: 1.1rem; align-items: flex-start;
  border: 1px solid var(--line-gold); border-left-width: 2px; border-radius: var(--radius);
  background: var(--softer); padding: 1.3rem 1.5rem; margin-bottom: 1rem;
}
.nda-ico {
  flex: none; display: grid; place-items: center; width: 34px; height: 34px;
  border-radius: 2px; background: var(--soft); color: var(--gold);
}
.nda-ico svg { width: 17px; height: 17px; }
.nda-note p { margin: 0; color: var(--muted); font-size: 0.99rem; line-height: 1.7; }
.nda-note strong { color: var(--head); font-weight: 500; }

.case {
  display: grid; grid-template-columns: 0.95fr 1.05fr; gap: clamp(2rem, 5vw, 4rem);
  align-items: center; padding-block: clamp(3rem, 6vw, 4.5rem); border-top: 1px solid var(--line);
}
.case:first-of-type { border-top: 0; }
/* alternate which side the dossier sits on */
.case.rev .case-media { order: 2; }
.case.rev .case-body { order: 1; }
.case + .case { border-top: 1px solid var(--line); }

/* the confidential dossier panel replaces a screenshot */
.dossier {
  position: relative; aspect-ratio: 4 / 3; border: 1px solid var(--line-gold); border-radius: var(--radius);
  background: linear-gradient(158deg, var(--surface-2), var(--bg) 85%);
  overflow: hidden; display: flex; flex-direction: column;
  transition: transform 0.6s var(--ease), box-shadow 0.6s var(--ease-soft), border-color 0.4s var(--ease-soft);
}
.dossier::after {
  content: ""; position: absolute; inset: 9px; border: 1px solid var(--line-2); pointer-events: none; border-radius: 2px;
}
.case:hover .dossier { transform: translateY(-6px); box-shadow: var(--shadow); border-color: var(--gold); }

.dossier-top {
  display: flex; align-items: center; justify-content: space-between; gap: 1rem;
  padding: 1.05rem 1.3rem 0.85rem; border-bottom: 1px solid var(--line-2); position: relative; z-index: 2;
}
.dossier-lock {
  display: inline-flex; align-items: center; gap: 0.5rem;
  font-size: 0.68rem; letter-spacing: 0.16em; text-transform: uppercase; color: var(--gold-ink);
}
.dossier-lock svg { width: 14px; height: 14px; }
.dossier-lock.is-open { color: #6fc389; }
.dossier-ref {
  font-family: "Cormorant", serif; font-style: italic; font-size: 0.95rem; color: var(--muted);
}

.dossier-redact { padding: 1.1rem 1.3rem 0.4rem; display: grid; gap: 0.5rem; position: relative; z-index: 2; }
.dossier-redact i {
  display: block; height: 7px; width: var(--w); border-radius: 1px;
  background: repeating-linear-gradient(90deg, var(--line) 0 6px, transparent 6px 10px);
  transform-origin: left; transform: scaleX(0.2); opacity: 0;
}
.case.in .dossier-redact i { animation: redact 0.7s var(--ease) forwards; }
.case.in .dossier-redact i:nth-child(1) { animation-delay: 0.20s; }
.case.in .dossier-redact i:nth-child(2) { animation-delay: 0.30s; }
.case.in .dossier-redact i:nth-child(3) { animation-delay: 0.40s; }
@keyframes redact { to { transform: scaleX(1); opacity: 1; } }

/* architecture schematic */
.schematic { width: 100%; flex: 1; min-height: 0; padding: 0.2rem 0.6rem 0.9rem; position: relative; z-index: 2; }
.schematic text {
  font-family: "Jost", sans-serif; font-size: 10px; letter-spacing: 0.08em; text-transform: uppercase;
  fill: var(--muted); stroke: none; text-anchor: middle;
}
.schematic text.sub {
  font-size: 8.5px; letter-spacing: 0.1em; fill: var(--gold-ink); text-transform: none;
}
.sch-rules path { stroke: var(--line-2); stroke-width: 1; }
.sch-links path { stroke: var(--line); stroke-width: 1; }

.sch-nodes rect {
  fill: var(--surface);
  fill: color-mix(in srgb, var(--surface) 80%, transparent);
  stroke: var(--line); stroke-width: 1;
  transition: stroke 0.4s var(--ease-soft);
}
.sch-node { opacity: 0; transform: translateY(8px); }
.case.in .sch-node { animation: node-in 0.6s var(--ease) forwards; animation-delay: calc(0.35s + var(--i) * 0.09s); }
@keyframes node-in { to { opacity: 1; transform: none; } }
.sch-core rect { stroke: var(--line-gold); fill: var(--surface-2); fill: color-mix(in srgb, var(--gold) 8%, var(--surface)); }
.sch-core text { fill: var(--head); }
.case:hover .sch-nodes rect { stroke: var(--line-gold); }

/* the travelling data pulse */
.sch-flow path {
  stroke: var(--gold); stroke-width: 1.4; stroke-dasharray: 16 150; stroke-dashoffset: 0; opacity: 0;
}
.case.in .sch-flow path { opacity: 0.9; animation: flow 3.4s linear infinite; }
.case.in .sch-flow path:nth-child(1) { animation-delay: 0.9s; }
.case.in .sch-flow path:nth-child(2) { animation-delay: 1.7s; }
.case.in .sch-flow path:nth-child(3) { animation-delay: 1.3s; }
.case.in .sch-flow path:nth-child(4) { animation-delay: 2.1s; }
@keyframes flow { from { stroke-dashoffset: 166; } to { stroke-dashoffset: 0; } }

/* case copy */
.case-eyebrow { display: flex; align-items: center; gap: 0.7rem; flex-wrap: wrap; margin-bottom: 0.7rem; }
.case-domain { color: var(--gold-ink); font-size: 0.85rem; letter-spacing: 0.06em; }
.case-badge {
  font-size: 0.64rem; letter-spacing: 0.16em; text-transform: uppercase; color: var(--muted);
  border: 1px solid var(--line); border-radius: 100px; padding: 0.2rem 0.65rem;
}
.case-badge.is-open { color: #6fc389; border-color: rgba(111,195,137,0.4); }
.case h3 { font-size: clamp(1.9rem, 3.4vw, 2.5rem); margin-bottom: 0.4rem; }
.case-meta { font-family: "Cormorant", serif; font-style: italic; color: var(--muted); font-size: 1.05rem; margin-bottom: 1rem; }
.case-meta .sep { color: var(--line-gold); margin: 0 0.5rem; }
.case-body > p { color: var(--muted); font-size: 1.05rem; }

.case-owned { list-style: none; margin: 1.3rem 0 0; padding: 0; border-top: 1px solid var(--line-2); }
.case-owned li {
  position: relative; padding: 0.62rem 0 0.62rem 1.55rem; border-bottom: 1px solid var(--line-2);
  color: var(--text); font-size: 0.97rem; line-height: 1.6;
}
.case-owned li::before {
  content: ""; position: absolute; left: 0; top: 1.15rem; width: 8px; height: 1px; background: var(--gold);
  transform-origin: left; transform: scaleX(0); transition: transform 0.5s var(--ease);
}
.case.in .case-owned li::before { transform: scaleX(1); }
.case.in .case-owned li:nth-child(1)::before { transition-delay: 0.30s; }
.case.in .case-owned li:nth-child(2)::before { transition-delay: 0.40s; }
.case.in .case-owned li:nth-child(3)::before { transition-delay: 0.50s; }

.case-stack { display: flex; flex-wrap: wrap; gap: 0.5rem; margin: 1.4rem 0 1.6rem; }
.chip {
  font-size: 0.8rem; letter-spacing: 0.02em; color: var(--muted);
  border: 1px solid var(--line); border-radius: 100px; padding: 0.3rem 0.9rem;
  transition: color 0.3s var(--ease-soft), border-color 0.3s var(--ease-soft), transform 0.3s var(--ease);
}
.chip:hover { color: var(--head); border-color: var(--line-gold); transform: translateY(-2px); }

.case-link {
  display: inline-flex; align-items: center; gap: 0.5rem; color: var(--gold-ink);
  font-weight: 500; letter-spacing: 0.02em; font-size: 0.97rem;
}
.case-link span { border-bottom: 1px solid var(--line-gold); padding-bottom: 3px; transition: border-color 0.3s var(--ease-soft); }
.case-link svg { width: 16px; height: 16px; transition: transform 0.35s var(--ease); }
.case-link:hover span { border-color: var(--gold); }
.case-link:hover svg { transform: translateX(4px); }

.work-foot {
  margin: 3rem 0 0; padding-top: 2rem; border-top: 1px solid var(--line);
  color: var(--muted); font-family: "Cormorant", serif; font-style: italic; font-size: 1.15rem;
}

/* ---------- contact ---------- */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(2.5rem, 6vw, 5rem); align-items: start; }
.contact-title { font-size: clamp(2.3rem, 6vw, 4rem); margin-top: 0.5rem; }
.contact-lead { color: var(--muted); font-size: 1.15rem; max-width: 42ch; margin-top: 1.2rem; }

.contact-methods { list-style: none; padding: 0; margin: 2.25rem 0 0; }
.contact-methods li {
  display: flex; align-items: center; gap: 1rem; padding: 1rem 0;
  border-bottom: 1px solid var(--line); position: relative;
}
.contact-methods li::before {
  content: ""; position: absolute; left: 0; bottom: -1px; height: 1px; width: 100%;
  background: var(--gold); transform: scaleX(0); transform-origin: left;
  transition: transform 0.5s var(--ease);
}
.contact-methods li:hover::before { transform: scaleX(1); }
.contact-methods .m-key { color: var(--muted); font-size: 0.78rem; letter-spacing: 0.12em; text-transform: uppercase; width: 92px; flex: none; }
.contact-methods a { color: var(--head); position: relative; }
.contact-methods a:hover { color: var(--gold-ink); }
.m-plain { color: var(--muted); }
.m-ext { margin-left: auto; color: var(--muted); display: grid; place-items: center; transition: transform 0.35s var(--ease), color 0.3s var(--ease-soft); }
.m-ext svg { width: 15px; height: 15px; }
.contact-methods li:hover .m-ext { transform: translate(3px, -3px); color: var(--gold); }

.copy {
  margin-left: auto; background: none; border: 1px solid var(--line); border-radius: 2px;
  width: 32px; height: 32px; display: grid; place-items: center; color: var(--muted); cursor: pointer;
  opacity: 0; transition: opacity 0.3s var(--ease-soft), color 0.3s var(--ease-soft), border-color 0.3s var(--ease-soft), transform 0.2s var(--ease);
}
.copy svg { width: 15px; height: 15px; }
.contact-methods li:hover .copy, .copy:focus-visible { opacity: 1; }
.copy:hover { color: var(--gold); border-color: var(--line-gold); }
.copy:active { transform: scale(0.9); }

/* form */
.contact-form {
  border: 1px solid var(--line); border-radius: var(--radius); padding: 1.8rem;
  background: var(--surface);
  background: color-mix(in srgb, var(--surface) 50%, transparent);
}
.form-head {
  display: flex; align-items: baseline; justify-content: space-between; gap: 1rem;
  padding-bottom: 1.1rem; margin-bottom: 1.6rem; border-bottom: 1px solid var(--line);
  font-family: "Cormorant", serif; font-size: 1.35rem; color: var(--head);
}
.form-head em { font-family: "Jost", sans-serif; font-style: normal; font-size: 0.72rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--muted); }

.field { position: relative; margin-bottom: 1.4rem; }
.field input, .field textarea {
  width: 100%; background: transparent; border: 1px solid var(--line); border-radius: var(--radius);
  color: var(--head); padding: 1.35rem 1rem 0.6rem; font-family: inherit; font-size: 1rem;
  transition: border-color 0.3s var(--ease-soft), box-shadow 0.3s var(--ease-soft);
}
.field textarea { resize: vertical; min-height: 132px; padding-top: 1.6rem; }
.field label {
  position: absolute; left: 1rem; top: 0.95rem; pointer-events: none;
  font-size: 0.98rem; color: var(--muted); letter-spacing: 0.02em;
  transform-origin: left top; transition: transform 0.28s var(--ease), color 0.28s var(--ease-soft);
}
.field input:focus, .field textarea:focus { outline: none; border-color: var(--gold); box-shadow: 0 0 0 3px var(--softer); }
.field input:focus + label, .field textarea:focus + label,
.field input:not(:placeholder-shown) + label, .field textarea:not(:placeholder-shown) + label {
  transform: translateY(-0.72rem) scale(0.76); color: var(--gold-ink);
}
.field.has-error input, .field.has-error textarea { border-color: #d9736a; }

.form-note { margin: 1rem 0 0; font-size: 0.88rem; color: var(--muted); min-height: 1.2rem; }
.form-note.ok { color: var(--gold-ink); }
.form-note.err { color: #d9736a; }

/* ---------- footer ---------- */
.foot { border-top: 1px solid var(--line); position: relative; z-index: 2; background: var(--bg); }
.foot .wrap { display: flex; justify-content: space-between; align-items: center; gap: 1rem; padding-block: 2.2rem; font-size: 0.9rem; color: var(--muted); flex-wrap: wrap; }
.foot-links { display: flex; align-items: center; gap: 1.6rem; }
.foot a { color: var(--muted); transition: color 0.3s var(--ease-soft); }
.foot a:hover { color: var(--gold); }
.foot-top { display: inline-flex; align-items: center; gap: 0.4rem; }
.foot-top svg { width: 15px; height: 15px; transition: transform 0.35s var(--ease); }
.foot-top:hover svg { transform: translateY(-3px); }

/* ---------- toast ---------- */
.toast {
  position: fixed; left: 50%; bottom: 2rem; z-index: 120;
  transform: translate(-50%, 140%); opacity: 0; pointer-events: none;
  background: var(--surface); border: 1px solid var(--line-gold); border-radius: 100px;
  color: var(--head); font-size: 0.88rem; letter-spacing: 0.02em; padding: 0.7rem 1.4rem;
  box-shadow: var(--shadow);
  transition: transform 0.5s var(--ease), opacity 0.4s var(--ease-soft);
}
.toast.show { transform: translate(-50%, 0); opacity: 1; }

/* ---------- reveal / intro animations ---------- */
.reveal { opacity: 0; transform: translateY(22px); }
.reveal.in {
  opacity: 1; transform: none;
  transition: opacity var(--dur) var(--ease) var(--d, 0s), transform var(--dur) var(--ease) var(--d, 0s);
}

.intro { opacity: 0; transform: translateY(26px); animation: intro-up 0.95s var(--ease) forwards; animation-delay: var(--d, 0s); }
/* once the intro has played the animation is removed, so inline transforms (tilt,
   magnetic buttons) are no longer outranked by the animation's forwards fill */
.intro-done { opacity: 1; transform: none; }
@keyframes intro-up { to { opacity: 1; transform: none; } }
.readout.intro { transform: translateY(30px) scale(0.985); }

/* ---------- responsive ---------- */
@media (max-width: 980px) {
  .case { grid-template-columns: 1fr; }
  .case-media { max-width: 560px; }
  .case.rev .case-media { order: -1; }
}

@media (max-width: 880px) {
  .hero .wrap { grid-template-columns: 1fr; padding-block: clamp(3.5rem, 10vw, 6rem) 6rem; }
  .readout { max-width: 480px; }
  .about-grid, .contact-grid { grid-template-columns: 1fr; }
  .hero-lines { background-size: calc(100% / 3) 100%; }
  .scroll-hint { display: none; }

  .nav-toggle { display: grid; }
  .nav-links {
    position: absolute; top: 100%; left: 0; right: 0; flex-direction: column; align-items: stretch; gap: 0;
    background: var(--bg);
    background: color-mix(in srgb, var(--bg) 96%, transparent); backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--line); padding: 0.4rem 0;
    max-height: 0; overflow: hidden; transition: max-height 0.45s var(--ease);
  }
  .nav-links.open { max-height: 340px; }
  .nav-links li { width: 100%; opacity: 0; transform: translateY(-8px); transition: opacity 0.4s var(--ease), transform 0.4s var(--ease); }
  .nav-links.open li { opacity: 1; transform: none; }
  .nav-links.open li:nth-child(1) { transition-delay: 0.06s; }
  .nav-links.open li:nth-child(2) { transition-delay: 0.12s; }
  .nav-links.open li:nth-child(3) { transition-delay: 0.18s; }
  .nav-links.open li:nth-child(4) { transition-delay: 0.24s; }
  .nav-links a { display: block; padding: 0.9rem clamp(1.35rem, 5vw, 3rem); width: 100%; }
  .nav-links a::after { display: none; }
}

@media (max-width: 620px) {
  .brand-name { display: none; }
  .contact-methods li { flex-wrap: wrap; }
  .contact-methods .m-key { width: 100%; }
  .copy { opacity: 1; }
  .contact-form { padding: 1.4rem; }
}

@media (max-width: 520px) {
  .foot .wrap { flex-direction: column; align-items: flex-start; }
  .foot-links { flex-wrap: wrap; gap: 1.1rem; }
}

/* ---------- reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal, .intro, .intro-done { opacity: 1 !important; transform: none !important; animation: none !important; transition: none !important; }
  .orb, .marquee-track, .status .dot, .readout-live i, .scroll-hint-line i,
  .sch-flow path, .sch-node, .dossier-redact i, .btn2::after {
    animation: none !important;
  }
  .sch-node, .dossier-redact i { opacity: 1 !important; transform: none !important; }
  .sch-flow path { opacity: 0.6 !important; stroke-dasharray: none; }
  .spotlight { display: none; }
  .scroll-hint { opacity: 1; }
  * { transition-duration: 0.01ms !important; }
}