/* ============================================================
   Teqtive — Microsoft Dynamics 365 CE & Power Platform
   Design system derived from the wordmark:
   - chamfered (45° machine-cut) corners as a structural motif
   - plum-tinted near-black canvas pulled from the purple terminus
   - the real 4-stop logo gradient, used structurally
   ============================================================ */

:root {
  /* Brand gradient stops, sampled from the logo */
  --purple:  #8C2D8A;
  --magenta: #B23A6E;
  --coral:   #D8623E;
  --orange:  #F18A12;
  --brand-gradient: linear-gradient(100deg, var(--purple) 0%, var(--magenta) 38%, var(--coral) 70%, var(--orange) 100%);
  --brand-gradient-soft: linear-gradient(100deg, #8C2D8A33, #F18A1233);

  /* Plum-tinted neutrals */
  --ink:        #140A18; /* canvas */
  --ink-2:      #1B0F22; /* recessed */
  --panel:      #211327; /* raised surface */
  --panel-2:    #29183040;
  --line:       #ffffff14;
  --line-2:     #ffffff0a;

  --text:   #F4EEF6;
  --muted:  #B7A6C2;
  --faint:  #7E6E8A;

  /* Type */
  --display: "Space Grotesk", "Segoe UI", system-ui, sans-serif;
  --body:    "Inter", system-ui, sans-serif;
  --mono:    "JetBrains Mono", ui-monospace, "SFMono-Regular", monospace;

  /* Rhythm */
  --maxw: 1180px;
  --gutter: clamp(1.25rem, 4vw, 3rem);
  --cut: 14px;       /* default chamfer size */
  --cut-lg: 22px;
  --radius-soft: 4px;

  --ease: cubic-bezier(.22,.61,.36,1);
}

/* chamfer matching the wordmark silhouette: cut top-left + bottom-right */
@property --x {}
.chamfer    { clip-path: polygon(var(--cut) 0, 100% 0, 100% calc(100% - var(--cut)), calc(100% - var(--cut)) 100%, 0 100%, 0 var(--cut)); }
.chamfer-lg { clip-path: polygon(var(--cut-lg) 0, 100% 0, 100% calc(100% - var(--cut-lg)), calc(100% - var(--cut-lg)) 100%, 0 100%, 0 var(--cut-lg)); }

/* ---------- reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  font-family: var(--body);
  background: var(--ink);
  color: var(--text);
  line-height: 1.6;
  font-size: clamp(1rem, 0.97rem + 0.18vw, 1.0625rem);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; cursor: pointer; }
:focus-visible { outline: 2px solid var(--orange); outline-offset: 3px; border-radius: 2px; }

/* ambient plum glow fixed behind everything */
body::before {
  content: ""; position: fixed; inset: 0; z-index: -2; pointer-events: none;
  background:
    radial-gradient(60vw 50vh at 12% -5%, #8C2D8A24, transparent 60%),
    radial-gradient(55vw 45vh at 100% 8%, #F18A1218, transparent 55%);
}
/* faint blueprint grid */
body::after {
  content: ""; position: fixed; inset: 0; z-index: -2; pointer-events: none; opacity: .5;
  background-image:
    linear-gradient(var(--line-2) 1px, transparent 1px),
    linear-gradient(90deg, var(--line-2) 1px, transparent 1px);
  background-size: 64px 64px;
  -webkit-mask-image: radial-gradient(120vw 100vh at 50% 0%, #000 25%, transparent 75%);
          mask-image: radial-gradient(120vw 100vh at 50% 0%, #000 25%, transparent 75%);
}

/* ---------- layout helpers ---------- */
.wrap { width: 100%; max-width: var(--maxw); margin-inline: auto; padding-inline: var(--gutter); }
.section { padding-block: clamp(4.5rem, 9vw, 8rem); position: relative; }
.section--tight { padding-block: clamp(3rem, 6vw, 5rem); }

.eyebrow {
  font-family: var(--mono);
  font-size: .75rem;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--faint);
  display: inline-flex; align-items: center; gap: .6rem;
}
.eyebrow::before {
  content: ""; width: 26px; height: 2px;
  background: var(--brand-gradient); flex: none;
}
.eyebrow--center { justify-content: center; }

h1, h2, h3 { font-family: var(--display); font-weight: 700; line-height: 1.04; letter-spacing: -0.02em; }
h1 { font-size: clamp(2.6rem, 1.6rem + 4.4vw, 5.1rem); }
h2 { font-size: clamp(2rem, 1.4rem + 2.4vw, 3.2rem); }
h3 { font-size: clamp(1.2rem, 1.05rem + .6vw, 1.5rem); letter-spacing: -0.01em; }
.lead { font-size: clamp(1.08rem, 1rem + .5vw, 1.3rem); color: var(--muted); max-width: 60ch; }
.text-grad {
  background: var(--brand-gradient);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}

/* ---------- buttons ---------- */
.btn {
  --cut: 11px;
  display: inline-flex; align-items: center; gap: .65rem;
  padding: .92rem 1.5rem;
  font-family: var(--mono); font-size: .82rem; letter-spacing: .04em;
  font-weight: 500;
  position: relative; isolation: isolate;
  transition: transform .25s var(--ease), color .25s;
}
.btn .arrow { transition: transform .3s var(--ease); }
.btn:hover .arrow { transform: translateX(4px); }
.btn:active { transform: translateY(1px); }

.btn-primary { color: #1a0d14; }
.btn-primary::before {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background: var(--brand-gradient);
  clip-path: polygon(var(--cut) 0, 100% 0, 100% calc(100% - var(--cut)), calc(100% - var(--cut)) 100%, 0 100%, 0 var(--cut));
  transition: filter .25s;
}
.btn-primary:hover::before { filter: brightness(1.08); }

.btn-ghost { color: var(--text); }
.btn-ghost::before {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background: var(--panel);
  border: 1px solid var(--line);
  clip-path: polygon(var(--cut) 0, 100% 0, 100% calc(100% - var(--cut)), calc(100% - var(--cut)) 100%, 0 100%, 0 var(--cut));
  transition: background .25s, border-color .25s;
}
.btn-ghost:hover::before { background: var(--panel-2); border-color: #ffffff2a; }

/* ---------- header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  background: color-mix(in srgb, var(--ink) 72%, transparent);
  border-bottom: 1px solid var(--line-2);
}
.nav { display: flex; align-items: center; justify-content: space-between; gap: 2rem; height: 74px; }
.brand { display: flex; align-items: center; gap: .6rem; }
.brand img { height: 26px; width: auto; }
.brand .tld { font-family: var(--mono); font-size: .7rem; color: var(--faint); letter-spacing: .1em; align-self: flex-end; padding-bottom: 3px; }

.nav-links { display: flex; align-items: center; gap: .35rem; list-style: none; }
.nav-links a {
  font-family: var(--mono); font-size: .82rem; letter-spacing: .03em;
  color: var(--muted); padding: .55rem .85rem; position: relative;
  transition: color .2s;
}
.nav-links a:hover { color: var(--text); }
.nav-links a[aria-current="page"] { color: var(--text); }
.nav-links a[aria-current="page"]::after {
  content: ""; position: absolute; left: .85rem; right: .85rem; bottom: .25rem; height: 2px;
  background: var(--brand-gradient);
}
.nav-cta { margin-left: .4rem; }

.nav-toggle { display: none; background: none; border: 0; padding: .7rem; margin-right: -.7rem; -webkit-tap-highlight-color: transparent; }
.nav-toggle span { display: block; width: 24px; height: 2px; background: var(--text); margin: 5px 0; transition: .3s var(--ease); }

/* ---------- the gradient trace (signature) ---------- */
.trace-line {
  position: absolute; left: clamp(1.25rem, 4vw, 3rem); top: 0; bottom: 0; width: 2px;
  background: linear-gradient(var(--purple), var(--magenta), var(--coral), var(--orange));
  opacity: .45; z-index: 0;
  transform-origin: top;
}
.trace-node {
  position: absolute; left: calc(clamp(1.25rem, 4vw, 3rem) - 4px); width: 10px; height: 10px;
  background: var(--ink); border: 2px solid var(--orange);
  transform: rotate(45deg); z-index: 1;
}

/* ---------- cards / panels ---------- */
.panel {
  background: linear-gradient(180deg, var(--panel), var(--ink-2));
  border: 1px solid var(--line);
  position: relative;
}
.panel--cut { clip-path: polygon(var(--cut-lg) 0, 100% 0, 100% calc(100% - var(--cut-lg)), calc(100% - var(--cut-lg)) 100%, 0 100%, 0 var(--cut-lg)); }

.card {
  --cut: 16px;
  position: relative; padding: 1.9rem 1.8rem 2rem;
  background: linear-gradient(180deg, #24152b, #1a0f20);
  clip-path: polygon(var(--cut) 0, 100% 0, 100% calc(100% - var(--cut)), calc(100% - var(--cut)) 100%, 0 100%, 0 var(--cut));
  transition: transform .35s var(--ease);
}
/* gradient hairline border for chamfered cards via layered backgrounds */
.card::before {
  content: ""; position: absolute; inset: 0; padding: 1px; z-index: -1;
  background: linear-gradient(150deg, #ffffff20, #ffffff05 40%, transparent 70%);
  clip-path: polygon(var(--cut) 0, 100% 0, 100% calc(100% - var(--cut)), calc(100% - var(--cut)) 100%, 0 100%, 0 var(--cut));
}
.card:hover { transform: translateY(-5px); }
.card .idx {
  font-family: var(--mono); font-size: .72rem; letter-spacing: .15em;
  color: var(--faint); display: block; margin-bottom: 1rem;
}
.card h3 { margin-bottom: .6rem; }
.card .accent-bar {
  width: 38px; height: 3px; background: var(--brand-gradient); margin-bottom: 1.3rem;
}
.card p { color: var(--muted); font-size: .96rem; }
.card .tags { margin-top: 1.2rem; display: flex; flex-wrap: wrap; gap: .4rem; }
.tag {
  font-family: var(--mono); font-size: .68rem; letter-spacing: .04em;
  color: var(--muted); padding: .25rem .55rem; border: 1px solid var(--line);
  border-radius: var(--radius-soft);
}

.grid { display: grid; gap: 1.1rem; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

/* ---------- availability chip ---------- */
.availability {
  display: inline-flex; align-items: center; gap: .6rem;
  font-family: var(--mono); font-size: .72rem; letter-spacing: .08em;
  color: var(--muted); padding: .4rem .8rem .4rem .7rem;
  background: #ffffff08; border: 1px solid var(--line);
  --cut: 8px;
  clip-path: polygon(var(--cut) 0, 100% 0, 100% calc(100% - var(--cut)), calc(100% - var(--cut)) 100%, 0 100%, 0 var(--cut));
}
.availability .dot { width: 8px; height: 8px; border-radius: 50%; background: #46d39a; flex: none; position: relative; }
.availability .dot::after {
  content: ""; position: absolute; inset: -4px; border-radius: 50%;
  border: 2px solid #46d39a66; animation: ping 2s var(--ease) infinite;
}
@keyframes ping { 0% { transform: scale(.6); opacity: 1; } 100% { transform: scale(1.6); opacity: 0; } }

/* ---------- hero ---------- */
.hero { position: relative; padding-block: clamp(4rem, 10vw, 8rem) clamp(4rem, 8vw, 7rem); overflow: hidden; }
.hero-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: clamp(2rem, 5vw, 4.5rem); align-items: center; }
.hero h1 { margin: 1.4rem 0 1.5rem; }
.hero .lead { margin-bottom: 2.2rem; }
.hero-actions { display: flex; flex-wrap: wrap; gap: .9rem; align-items: center; }
.hero-meta {
  margin-top: 2.8rem; padding-top: 1.6rem; border-top: 1px solid var(--line-2);
  display: flex; gap: 2.2rem; flex-wrap: wrap;
}
.hero-meta .stat .n { font-family: var(--display); font-size: 1.6rem; font-weight: 700; display: block; }
.hero-meta .stat .l { font-family: var(--mono); font-size: .7rem; letter-spacing: .1em; text-transform: uppercase; color: var(--faint); }

/* ---------- hero schematic (signature visual) ---------- */
.schematic { position: relative; aspect-ratio: 1/1.02; width: 100%; max-width: 460px; margin-inline: auto; }
.schematic svg { position: absolute; inset: 0; width: 100%; height: 100%; overflow: visible; }
.node {
  position: absolute; padding: .85rem 1rem; min-width: 132px;
  background: linear-gradient(160deg, #271630, #190f1f);
  border: 1px solid var(--line);
  --cut: 10px;
  clip-path: polygon(var(--cut) 0, 100% 0, 100% calc(100% - var(--cut)), calc(100% - var(--cut)) 100%, 0 100%, 0 var(--cut));
  z-index: 2;
}
.node .k { display: block; font-family: var(--mono); font-size: .62rem; letter-spacing: .14em; color: var(--faint); text-transform: uppercase; }
.node .v { display: block; font-family: var(--display); font-weight: 600; font-size: .98rem; margin-top: .25rem; }
.node--accent { border-color: transparent; background: linear-gradient(160deg, #3a1c33, #2a1320); }
.node--accent::after {
  content: ""; position: absolute; inset: 0; padding: 1.5px; z-index: -1;
  background: var(--brand-gradient);
  clip-path: polygon(var(--cut) 0, 100% 0, 100% calc(100% - var(--cut)), calc(100% - var(--cut)) 100%, 0 100%, 0 var(--cut));
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
          mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor; mask-composite: exclude;
}
.n1 { top: 2%;  left: 4%; }
.n2 { top: 26%; right: 2%; }
.n3 { top: 52%; left: 0; }
.n4 { bottom: 1%; right: 6%; }
.schematic .flow {
  fill: none; stroke: url(#traceGrad); stroke-width: 2.5; stroke-linecap: round; stroke-linejoin: round;
  vector-effect: non-scaling-stroke;
  stroke-dasharray: var(--len, 1200); stroke-dashoffset: var(--len, 1200);
  filter: drop-shadow(0 0 6px #d8623e55);
}
.schematic .pulse { fill: var(--orange); }

/* ---------- list rows (process / experience) ---------- */
.rows { border-top: 1px solid var(--line); }
.row {
  display: grid; grid-template-columns: auto 1fr auto; gap: 1.5rem; align-items: start;
  padding: 1.8rem 0; border-bottom: 1px solid var(--line);
  transition: background .3s;
}
.row:hover { background: linear-gradient(90deg, #ffffff05, transparent); }
.row .row-idx { font-family: var(--mono); font-size: .8rem; color: var(--orange); padding-top: .2rem; }
.row .row-body h3 { margin-bottom: .35rem; }
.row .row-body p { color: var(--muted); max-width: 60ch; }
.row .row-meta { font-family: var(--mono); font-size: .72rem; color: var(--faint); text-align: right; padding-top: .2rem; white-space: nowrap; }

/* ---------- marquee strip ---------- */
.strip { border-block: 1px solid var(--line); padding-block: 1.4rem; overflow: hidden; }
.strip-track { display: flex; gap: 3rem; align-items: center; white-space: nowrap; animation: marquee 32s linear infinite; }
.strip-track span { font-family: var(--mono); font-size: .82rem; letter-spacing: .08em; color: var(--muted); display: inline-flex; gap: 3rem; }
.strip-track span::after { content: "◆"; color: var(--coral); opacity: .5; }
@keyframes marquee { to { transform: translateX(-50%); } }

/* ---------- CTA band ---------- */
/* the preceding section already provides its own bottom padding */
.cta-band { position: relative; padding-block-start: 0; }
.cta-inner {
  --cut: 26px; position: relative; overflow: hidden;
  padding: clamp(2.5rem, 6vw, 4.5rem);
  background: linear-gradient(135deg, #2a1330, #1a0d1f);
  clip-path: polygon(var(--cut) 0, 100% 0, 100% calc(100% - var(--cut)), calc(100% - var(--cut)) 100%, 0 100%, 0 var(--cut));
  text-align: center;
}
.cta-inner::before {
  content: ""; position: absolute; inset: -2px; z-index: 0; opacity: .9;
  background: var(--brand-gradient);
  -webkit-mask: linear-gradient(#000,#000) content-box, linear-gradient(#000,#000);
  padding: 2px;
}
.cta-inner > * { position: relative; }
.cta-inner h2 { margin-bottom: 1rem; }
.cta-inner .lead { margin: 0 auto 2rem; color: #fdf2e9e0; }
/* readable on the gradient fill */
.cta-inner .eyebrow { color: #ffffffb8; }
.cta-inner .eyebrow::before { background: #ffffffb8; }
.cta-inner .btn-primary { color: var(--text); }
.cta-inner .btn-primary::before { background: var(--ink); }
.cta-glow { position: absolute; width: 60%; height: 200%; left: 20%; top: -50%; background: radial-gradient(closest-side, #F18A1233, transparent); }

/* ---------- contact ---------- */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(2rem, 5vw, 4rem); align-items: start; }
.field { margin-bottom: 1.2rem; }
.field label { font-family: var(--mono); font-size: .74rem; letter-spacing: .1em; text-transform: uppercase; color: var(--muted); display: block; margin-bottom: .5rem; }
.field input, .field textarea, .field select {
  width: 100%; background: var(--ink-2); border: 1px solid var(--line);
  color: var(--text); font-family: var(--body); font-size: 1rem;
  padding: .85rem 1rem; border-radius: var(--radius-soft);
  transition: border-color .2s, background .2s;
}
.field input:focus, .field textarea:focus, .field select:focus { border-color: var(--coral); background: #1f1226; outline: none; }
.field textarea { min-height: 150px; resize: vertical; }
.contact-detail { display: flex; gap: 1rem; align-items: flex-start; padding: 1.3rem 0; border-bottom: 1px solid var(--line); }
.contact-detail .ic { width: 38px; height: 38px; flex: none; display: grid; place-items: center; background: var(--panel); border: 1px solid var(--line); --cut: 8px; clip-path: polygon(var(--cut) 0, 100% 0, 100% calc(100% - var(--cut)), calc(100% - var(--cut)) 100%, 0 100%, 0 var(--cut)); color: var(--coral); }
.contact-detail .k { font-family: var(--mono); font-size: .7rem; letter-spacing: .1em; text-transform: uppercase; color: var(--faint); }
.contact-detail .v { font-size: 1.02rem; }
.form-note { font-size: .82rem; color: var(--faint); margin-top: .4rem; }

/* ---------- clients ---------- */
.client-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); gap: 1rem; }
.client-tile {
  --cut: 10px; padding: 1.3rem 1.4rem;
  background: linear-gradient(170deg, #22142a, #190f1f);
  border: 1px solid var(--line);
  clip-path: polygon(var(--cut) 0, 100% 0, 100% calc(100% - var(--cut)), calc(100% - var(--cut)) 100%, 0 100%, 0 var(--cut));
  transition: transform .3s var(--ease);
}
.client-tile:hover { transform: translateY(-3px); }
.client-tile .logo-mark {
  height: 54px; display: flex; align-items: center; margin-bottom: .9rem;
  padding-bottom: .7rem; border-bottom: 1px solid var(--line-2);
}
.client-tile .logo-mark img { max-height: 34px; max-width: 75%; width: auto; height: auto; object-fit: contain; }
/* dark logos that need a white knockout to read on the dark canvas */
.client-tile .logo-mark img.logo-invert { filter: brightness(0) invert(1) opacity(.85); }
.client-tile h3 { font-size: 1.05rem; margin-bottom: .35rem; }
.client-tile p { color: var(--muted); font-size: .88rem; line-height: 1.5; }

/* ---------- recommendations ---------- */
.quote { padding: 2rem 1.9rem; display: flex; flex-direction: column; }
.quote blockquote { margin: 0; color: var(--muted); font-size: .98rem; line-height: 1.7; }
.quote blockquote::before {
  content: "\201C"; display: block; font-family: var(--display); font-weight: 700;
  font-size: 3rem; line-height: .6; margin-bottom: 1rem;
  background: var(--brand-gradient);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.quote figcaption { margin-top: 1.4rem; padding-top: 1.1rem; border-top: 1px solid var(--line-2); font-family: var(--mono); font-size: .74rem; color: var(--faint); line-height: 1.7; }
.quote figcaption b { color: var(--text); font-weight: 500; display: block; font-size: .82rem; letter-spacing: .04em; }

/* ---------- about ---------- */
.about-grid { display: grid; grid-template-columns: minmax(220px, 320px) 1fr; gap: clamp(2rem,5vw,4rem); align-items: start; }
.portrait-frame { position: relative; }
/* duotone portrait: grayscale photo, highlights tinted with the brand
   gradient, shadows lifted to the plum canvas so it melts into the page */
.duo-portrait { aspect-ratio: 4/5; position: relative; overflow: hidden; isolation: isolate; }
.duo-portrait img {
  width: 100%; height: 100%; object-fit: cover; object-position: 50% 22%;
  filter: grayscale(1) contrast(1.08) brightness(.94);
}
.duo-portrait span { position: absolute; inset: 0; pointer-events: none; }
.duo-portrait .duo-tint { background: var(--brand-gradient); mix-blend-mode: multiply; }
.duo-portrait .duo-base { background: var(--ink); mix-blend-mode: lighten; }
.duo-portrait .duo-fade { background: linear-gradient(180deg, transparent 60%, #140A18f2 100%); }
.portrait-frame .badge {
  position: absolute; bottom: -14px; left: -14px;
  background: var(--ink); border: 1px solid var(--line); --cut: 10px;
  clip-path: polygon(var(--cut) 0, 100% 0, 100% calc(100% - var(--cut)), calc(100% - var(--cut)) 100%, 0 100%, 0 var(--cut));
  padding: .8rem 1.1rem; font-family: var(--mono); font-size: .72rem; color: var(--muted);
}
.portrait-frame .badge b { color: var(--text); }
.values { list-style: none; }
.values li { display: flex; gap: .9rem; padding: 1rem 0; border-bottom: 1px solid var(--line); }
.values li .mk { color: var(--coral); font-family: var(--mono); flex: none; }
.values li b { font-family: var(--display); font-weight: 600; }
.values li span { color: var(--muted); }

.cert-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px,1fr)); gap: 1rem; }
.cert { padding: 1.2rem 1.3rem; }
.cert .lvl { font-family: var(--mono); font-size: .68rem; letter-spacing: .12em; text-transform: uppercase; color: var(--orange); }
.cert .nm { font-family: var(--display); font-weight: 600; margin-top: .35rem; }

/* ---------- page hero (inner pages) ---------- */
.page-hero { padding-block: clamp(3.5rem, 7vw, 6rem) clamp(2rem,4vw,3rem); position: relative; }
.page-hero h1 { margin: 1.2rem 0 1.2rem; max-width: 16ch; }
.page-hero .lead { max-width: 56ch; }
.breadcrumb { font-family: var(--mono); font-size: .72rem; color: var(--faint); letter-spacing: .08em; }
.breadcrumb a:hover { color: var(--muted); }

/* ---------- footer ---------- */
.site-footer { border-top: 1px solid var(--line); padding-block: clamp(3rem,6vw,4.5rem) 2rem; margin-top: 2rem; }
.footer-top { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 2rem; padding-bottom: 2.5rem; }
.footer-brand img { height: 24px; margin-bottom: 1rem; }
.footer-brand p { color: var(--muted); max-width: 34ch; font-size: .94rem; }
.footer-col h4 { font-family: var(--mono); font-size: .72rem; letter-spacing: .12em; text-transform: uppercase; color: var(--faint); margin-bottom: 1rem; }
.footer-col ul { list-style: none; display: grid; gap: .6rem; }
.footer-col a { color: var(--muted); font-size: .94rem; transition: color .2s; }
.footer-col a:hover { color: var(--text); }
.footer-bottom { display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap; padding-top: 1.6rem; border-top: 1px solid var(--line-2); font-family: var(--mono); font-size: .74rem; color: var(--faint); }

/* ---------- reveal animation ---------- */
.reveal { opacity: 0; transform: translateY(22px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.reveal.in { opacity: 1; transform: none; }
.reveal[data-delay="1"] { transition-delay: .08s; }
.reveal[data-delay="2"] { transition-delay: .16s; }
.reveal[data-delay="3"] { transition-delay: .24s; }

/* ---------- responsive ---------- */
@media (max-width: 940px) {
  .hero-grid { grid-template-columns: 1fr; }
  .case-grid { grid-template-columns: 1fr !important; }
  /* mobile: diagram becomes a clean vertical stack along a gradient rail */
  .schematic {
    order: -1; aspect-ratio: auto; max-width: 420px; margin-bottom: 1.5rem;
    display: flex; flex-direction: column; gap: .7rem; padding-left: 20px; position: relative;
  }
  .schematic svg { display: none; }
  .schematic::before {
    content: ""; position: absolute; left: 4px; top: 8px; bottom: 8px; width: 2px;
    background: linear-gradient(var(--purple), var(--magenta), var(--coral), var(--orange));
  }
  .schematic .node { position: static; inset: auto; min-width: 0; width: 100%; }
  .schematic .node::before { content: ""; position: absolute; left: -16px; top: 50%; width: 12px; height: 1px; background: var(--coral); }
  .grid-4 { grid-template-columns: repeat(2,1fr); }
  .grid-3 { grid-template-columns: repeat(2,1fr); }
  .about-grid, .contact-grid { grid-template-columns: 1fr; }
  .portrait-frame { max-width: 300px; }
  .footer-top { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
}
@media (max-width: 720px) {
  /* dropdown anchored to the sticky header itself: position:absolute against a
     sticky ancestor behaves identically in Safari and Chrome, unlike
     position:fixed under a backdrop-filter, which iOS repositions. */
  .nav-links {
    position: absolute; top: 100%; left: 0; right: 0;
    flex-direction: column; align-items: stretch; gap: 0;
    background: var(--ink-2);
    border-bottom: 1px solid var(--line);
    box-shadow: 0 24px 48px #00000066;
    padding: .5rem var(--gutter) 1.4rem;
    max-height: calc(100vh - 74px);
    max-height: calc(100dvh - 74px);
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    opacity: 0; visibility: hidden; transform: translateY(-8px);
    pointer-events: none;
    transition: opacity .25s var(--ease), transform .25s var(--ease), visibility 0s linear .25s;
  }
  .nav-links.open {
    opacity: 1; visibility: visible; transform: none; pointer-events: auto;
    transition: opacity .25s var(--ease), transform .25s var(--ease);
  }
  .nav-links a { padding: .95rem 0; font-size: 1rem; -webkit-tap-highlight-color: transparent; }
  /* tall mobile links: pin the current-page underline just beneath the word,
     not at the bottom of the tap area where it collides with the next link */
  .nav-links a[aria-current="page"]::after { left: 0; right: auto; width: 26px; bottom: .8rem; }
  .nav-cta { margin: .6rem 0 0; }
  .nav-toggle { display: block; }
  .nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .nav-toggle.open span:nth-child(2) { opacity: 0; }
  .nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
  .hero h1, .page-hero h1 { font-size: clamp(2.05rem, 8vw, 3rem); }
  .schematic { display: none; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .row { grid-template-columns: auto 1fr; }
  .row .row-meta { grid-column: 2; text-align: left; }
  .footer-top { grid-template-columns: 1fr; }
  .hero-meta { gap: 1.5rem; }
}

@media (prefers-reduced-motion: reduce) {
  * { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; }
  .schematic .flow { stroke-dashoffset: 0; }
}