/* =========================================================
   TWSS LABS — Design System
   Direction: "Blueprint" — the visual language of process
   mapping and systems diagrams, translated into a premium
   editorial site. Warm paper + deep ink, index-blue linework,
   amber for rare emphasis. Space Grotesk (display) + IBM Plex
   Sans (body) + IBM Plex Mono (labels/data) — Plex is IBM's
   own engineering-documentation typeface, chosen because this
   is literally a systems/process company.
   ========================================================= */

:root{
  /* ---- Color tokens ---- */
  --color-ink:        #17351e;   /* primary dark bg + primary text on paper */
  --color-ink-2:      #182233;   /* secondary dark surface (cards on ink) */
  --color-paper:      #F5F3EE;   /* primary light bg, warm off-white */
  --color-paper-2:    #ECE8DF;   /* secondary light surface */
  --color-graphite:   #4A5160;   /* muted body text on paper */
  --color-graphite-2: #8B93A3;   /* muted text on ink */
  --color-primary:    #307b40;   /* index blue — links, active states, key accents */
  --color-primary-2:  #3D6BE0;   /* hover state of primary */
  --color-accent:     #C97A2E;   /* signal amber — rare emphasis only */
  --color-line:        #438f53; /* hairline border on paper */
  --color-line-dark:   #438f53; /* hairline border on ink */
  --color-white:       #FFFFFF;
  --color-success:     #2E7D5B;
  --color-error:       #B23A2E;

  /* ---- Type ---- */
  --font-display: 'Space Grotesk', 'Helvetica Neue', Arial, sans-serif;
  --font-body: 'IBM Plex Sans', 'Helvetica Neue', Arial, sans-serif;
  --font-mono: 'IBM Plex Mono', 'Courier New', monospace;

  --fs-eyebrow: clamp(0.72rem, 0.68rem + 0.2vw, 0.8rem);
  --fs-body:    clamp(1rem, 0.96rem + 0.15vw, 1.08rem);
  --fs-lead:    clamp(1.15rem, 1.05rem + 0.4vw, 1.4rem);
  --fs-h1:      clamp(2.6rem, 1.9rem + 3.2vw, 5.4rem);
  --fs-h2:      clamp(1.9rem, 1.5rem + 1.8vw, 3.2rem);
  --fs-h3:      clamp(1.3rem, 1.15rem + 0.8vw, 1.75rem);
  --fs-stat:    clamp(2.2rem, 1.8rem + 1.8vw, 3.4rem);

  /* ---- Layout ---- */
  --container-max: 1280px;
  --gutter: clamp(1.25rem, 4vw, 3rem);
  --section-pad: clamp(4rem, 8vw, 8rem);
  --radius-sm: 3px;
  --radius-md: 6px;

  /* ---- Motion ---- */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --dur-fast: 180ms;
  --dur-med: 420ms;
  --dur-slow: 900ms;
}

/* ---------------------------------------------------------
   Reset
   --------------------------------------------------------- */
*,*::before,*::after{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior: auto; }
  *,*::before,*::after{
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}
body,h1,h2,h3,h4,p,figure,blockquote,dl,dd{ margin: 0; }
ul[class],ol[class]{ list-style: none; margin: 0; padding: 0; }
img,picture,svg{ display: block; max-width: 100%; }
input,button,textarea,select{ font: inherit; color: inherit; }
button{ cursor: pointer; }
a{ color: inherit; text-decoration: none; }

body{
  font-family: var(--font-body);
  font-size: var(--fs-body);
  line-height: 1.6;
  color: var(--color-ink);
  background: var(--color-paper);
  -webkit-font-smoothing: antialiased;
}

h1,h2,h3,h4{
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.08;
  letter-spacing: -0.01em;
  color: var(--color-ink);
}
h1{ font-size: var(--fs-h1); letter-spacing: -0.02em;}
h2{ font-size: var(--fs-h2); }
h3{ font-size: var(--fs-h3); }

p{ color: var(--color-graphite); }
.lead{ font-size: var(--fs-lead); line-height: 1.5; color: var(--color-graphite); }

:focus-visible{
  outline: 2px solid var(--color-primary);
  outline-offset: 3px;
  border-radius: 2px;
}

/* Skip link */
.skip-link{
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--color-ink);
  color: var(--color-paper);
  padding: 0.9rem 1.4rem;
  z-index: 999;
  font-family: var(--font-mono);
  font-size: 0.85rem;
}
.skip-link:focus{ left: 1rem; top: 1rem; border-radius: var(--radius-sm); }

/* ---------------------------------------------------------
   Layout helpers
   --------------------------------------------------------- */
.container{
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--gutter);
}
section{ padding-block: var(--section-pad); }
.section-tight{ padding-block: clamp(3rem, 5vw, 5rem); }

.on-ink{ background: var(--color-ink); color: var(--color-paper); }
.on-ink p{ color: var(--color-graphite-2); }
.on-ink h1,.on-ink h2,.on-ink h3,.on-ink h4{ color: var(--color-paper); }
.on-paper-2{ background: var(--color-paper-2); }

.eyebrow{
  display: inline-flex;
  align-items: center;
  gap: 0.6em;
  font-family: var(--font-mono);
  font-size: var(--fs-eyebrow);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: 1.1rem;
}
.on-ink .eyebrow{ color: #7FA0F0; }
.eyebrow::before{
  content: "";
  width: 1.6em;
  height: 1px;
  background: currentColor;
  opacity: 0.6;
}

.section-head{
  max-width: 46rem;
  margin-bottom: clamp(2.25rem, 4vw, 3.5rem);
}
.section-head.centered{ margin-inline: auto; text-align: center; }

/* ---------------------------------------------------------
   Buttons
   --------------------------------------------------------- */
.btn{
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 0.95rem 1.6rem;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  transition: transform var(--dur-fast) var(--ease-out), background var(--dur-fast) var(--ease-out), border-color var(--dur-fast) var(--ease-out), color var(--dur-fast) var(--ease-out);
  white-space: nowrap;
}
.btn svg{ width: 1em; height: 1em; transition: transform var(--dur-fast) var(--ease-out); }
.btn:hover svg{ transform: translateX(3px); }
.btn:active{ transform: translateY(1px); }

.btn-primary{ background: var(--color-primary); color: var(--color-white); }
.btn-primary:hover{ background: var(--color-primary-2); }

.btn-outline{ border-color: currentColor; color: var(--color-ink); }
.btn-outline:hover{ background: var(--color-ink); color: var(--color-paper); }
.on-ink .btn-outline{ color: var(--color-paper); }
.on-ink .btn-outline:hover{ background: var(--color-paper); color: var(--color-ink); }

.btn-ghost{ color: var(--color-primary); padding-inline: 0; }
.btn-ghost::after{
  content: "";
  display: block;
  height: 1px;
  margin-top: 3px;
  background: currentColor;
  width: 100%;
  transform: scaleX(0.4);
  transform-origin: left;
  transition: transform var(--dur-fast) var(--ease-out);
}
.btn-ghost:hover::after{ transform: scaleX(1); }

/* ---------------------------------------------------------
   Header
   --------------------------------------------------------- */
.site-header{
  position: sticky;
  top: 0;
  z-index: 100;
  padding-block: 1.35rem;
  transition: background var(--dur-med) var(--ease-out), padding var(--dur-med) var(--ease-out), border-color var(--dur-med) var(--ease-out), backdrop-filter var(--dur-med) var(--ease-out);
  border-bottom: 1px solid transparent;
}
.site-header.is-scrolled{
  background: rgba(245, 243, 238, 0.86);
  backdrop-filter: blur(10px) saturate(1.1);
  -webkit-backdrop-filter: blur(10px) saturate(1.1);
  border-color: var(--color-line);
  padding-block: 0.85rem;
}
.header-row{
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}
.brand{
  display: flex;
  align-items: center;
  gap: 0.65rem;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.15rem;
  letter-spacing: -0.01em;
  color: var(--color-ink);
}
.brand svg{ width: 34px; height: 34px; flex-shrink: 0; }
.brand-sub{
  display: block;
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-graphite);
  font-weight: 400;
  margin-top: 1px;
}

.main-nav{ display: flex; align-items: center; gap: clamp(1.4rem, 2.4vw, 2.4rem); }
.main-nav ul{ display: flex; align-items: center; gap: clamp(1.4rem, 2.4vw, 2.4rem); }
.main-nav a{
  font-family: var(--font-mono);
  font-size: 0.82rem;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  color: var(--color-graphite);
  position: relative;
  padding-block: 0.3rem;
  transition: color var(--dur-fast) var(--ease-out);
}
.main-nav a:hover{ color: var(--color-ink); }
.main-nav a::after{
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -2px;
  height: 1px;
  background: var(--color-primary);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--dur-fast) var(--ease-out);
}
.main-nav a:hover::after{ transform: scaleX(1); }
.main-nav a[aria-current="page"]{ color: var(--color-ink); }
.main-nav a[aria-current="page"]::after{ transform: scaleX(1); background: var(--color-ink); }

.nav-cta{ display: none; }
@media (min-width: 860px){ .nav-cta{ display: inline-flex; } }

.menu-toggle{
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 42px;
  height: 42px;
  background: transparent;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-sm);
  align-items: center;
}
.menu-toggle span{
  width: 18px; height: 1.5px; background: var(--color-ink);
  transition: transform var(--dur-fast) var(--ease-out), opacity var(--dur-fast) var(--ease-out);
}
.menu-toggle[aria-expanded="true"] span:nth-child(1){ transform: translateY(6.5px) rotate(45deg); }
.menu-toggle[aria-expanded="true"] span:nth-child(2){ opacity: 0; }
.menu-toggle[aria-expanded="true"] span:nth-child(3){ transform: translateY(-6.5px) rotate(-45deg); }
@media (min-width: 860px){ .menu-toggle{ display: none; } }

.main-nav{ display: none; }
@media (min-width: 860px){ .main-nav{ display: flex; } }

.mobile-panel{
  position: fixed; inset: 0;
  background: var(--color-ink);
  z-index: 99;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 2rem var(--gutter);
  transform: translateY(-100%);
  transition: transform var(--dur-med) var(--ease-out);
}
.mobile-panel.is-open{ transform: translateY(0); }
.mobile-panel ul{ display: flex; flex-direction: column; gap: 1.6rem; }
.mobile-panel a{
  font-family: var(--font-display);
  font-size: 2rem;
  color: var(--color-paper);
}
.mobile-panel .btn{ margin-top: 2.4rem; align-self: flex-start; }
@media (min-width: 860px){ .mobile-panel{ display: none; } }

/* ---------------------------------------------------------
   Hero / blueprint diagram
   --------------------------------------------------------- */
.hero{
  position: relative;
  padding-top: clamp(3rem, 8vw, 6rem);
  padding-bottom: clamp(3.5rem, 8vw, 7rem);
  overflow: hidden;
  background: var(--color-ink);
  color: var(--color-paper);
}
.hero::before{
  content: "";
  position: absolute; inset: 0;
  background-image:
    linear-gradient(var(--color-line-dark) 1px, transparent 1px),
    linear-gradient(90deg, var(--color-line-dark) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 90% 70% at 50% 0%, black 40%, transparent 85%);
  opacity: 0.55;
  pointer-events: none;
}
.hero-grid{
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(2.5rem, 5vw, 4rem);
  align-items: center;
}
@media (min-width: 980px){
  .hero-grid{ grid-template-columns: 1.05fr 0.95fr; }
}
.hero h1{ margin-bottom: 1.4rem; color: #fff; }
.hero .lead{ color: var(--color-graphite-2); max-width: 34rem; margin-bottom: 2.2rem; }
.hero-ctas{ display: flex; flex-wrap: wrap; gap: 1rem; margin-bottom: 2.6rem; }
.hero-meta{
  display: flex; flex-wrap: wrap; gap: 1.6rem 2.2rem;
  font-family: var(--font-mono); font-size: 0.78rem; letter-spacing: 0.03em;
  color: var(--color-graphite-2);
  border-top: 1px solid var(--color-line-dark);
  padding-top: 1.4rem;
}
.hero-meta strong{ color: var(--color-paper); font-weight: 500; }

.diagram-wrap{
  position: relative;
  border: 1px solid var(--color-line-dark);
  border-radius: var(--radius-md);
  background: linear-gradient(180deg, rgba(255,255,255,0.02), transparent);
  padding: clamp(1.2rem, 3vw, 2rem);
}
.diagram-wrap svg{ width: 100%; height: auto; }
.diagram-caption{
  display: flex; justify-content: space-between;
  font-family: var(--font-mono); font-size: 0.68rem; letter-spacing: 0.08em;
  text-transform: uppercase; color: var(--color-graphite-2);
  margin-top: 0.9rem;
}
.diag-path{
  fill: none;
  stroke: #3D6BE0;
  stroke-width: 1.6;
  stroke-linecap: round;
  stroke-dasharray: 620;
  stroke-dashoffset: 620;
  animation: draw 2.2s var(--ease-out) 0.3s forwards;
}
.diag-node{
  fill: var(--color-ink-2);
  stroke: #3D6BE0;
  stroke-width: 1.4;
  opacity: 0;
  animation: pop 0.5s var(--ease-out) forwards;
}
.diag-node.n1{ animation-delay: 0.5s; }
.diag-node.n2{ animation-delay: 1.0s; }
.diag-node.n3{ animation-delay: 1.5s; }
.diag-node.n4{ animation-delay: 2.0s; }
.diag-label{
  fill: #C7CEDD;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 10.5px;
  letter-spacing: 0.04em;
  opacity: 0;
  animation: fadein 0.5s var(--ease-out) forwards;
}
.diag-label.n1{ animation-delay: 0.65s; }
.diag-label.n2{ animation-delay: 1.15s; }
.diag-label.n3{ animation-delay: 1.65s; }
.diag-label.n4{ animation-delay: 2.15s; }
.diag-dot{ fill: #C97A2E; }
@keyframes draw{ to{ stroke-dashoffset: 0; } }
@keyframes pop{ from{ opacity: 0; transform: scale(0.6); } to{ opacity: 1; transform: scale(1); } }
@keyframes fadein{ to{ opacity: 1; } }
@media (prefers-reduced-motion: reduce){
  .diag-path,.diag-node,.diag-label{ animation: none !important; opacity: 1 !important; stroke-dashoffset: 0 !important; }
}

/* ---------------------------------------------------------
   Reveal on scroll
   --------------------------------------------------------- */
.reveal{ opacity: 0; transform: translateY(22px); transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out); }
.reveal.is-visible{ opacity: 1; transform: translateY(0); }
.reveal-stagger > *{ opacity: 0; transform: translateY(18px); transition: opacity 0.6s var(--ease-out), transform 0.6s var(--ease-out); }
.reveal-stagger.is-visible > *{ opacity: 1; transform: translateY(0); }
.reveal-stagger.is-visible > *:nth-child(1){ transition-delay: 0.02s; }
.reveal-stagger.is-visible > *:nth-child(2){ transition-delay: 0.1s; }
.reveal-stagger.is-visible > *:nth-child(3){ transition-delay: 0.18s; }
.reveal-stagger.is-visible > *:nth-child(4){ transition-delay: 0.26s; }
.reveal-stagger.is-visible > *:nth-child(5){ transition-delay: 0.34s; }
@media (prefers-reduced-motion: reduce){
  .reveal,.reveal-stagger > *{ opacity: 1 !important; transform: none !important; }
}

/* ---------------------------------------------------------
   Intro / two-col content blocks
   --------------------------------------------------------- */
.split{
  display: grid;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: start;
}
@media (min-width: 900px){ .split{ grid-template-columns: 0.85fr 1.15fr; } }
.split.reverse{ direction: rtl; }
.split.reverse > *{ direction: ltr; }

.figure-frame{
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--color-line);
  aspect-ratio: 4 / 5;
}
.figure-frame img{ width: 100%; height: 100%; object-fit: cover; transition: transform 0.8s var(--ease-out); }
.figure-frame:hover img{ transform: scale(1.045); }
.figure-frame.wide{ aspect-ratio: 16/10; }
.figure-tag{
  position: absolute; left: 0.9rem; bottom: 0.9rem;
  background: rgba(16,22,31,0.82);
  color: var(--color-paper);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.5rem 0.7rem;
  border-radius: var(--radius-sm);
}

/* ---------------------------------------------------------
   Capability index (numbered services)
   --------------------------------------------------------- */
.index-list{ border-top: 1px solid var(--color-line); }
.index-item{
  display: grid;
  grid-template-columns: 3.5rem 1fr;
  gap: 1.5rem;
  padding-block: clamp(1.8rem, 3vw, 2.6rem);
  border-bottom: 1px solid var(--color-line);
  transition: background var(--dur-fast) var(--ease-out);
}
@media (min-width: 760px){
  .index-item{ grid-template-columns: 4.5rem 1.4fr 1.6fr; }
}
.index-num{
  font-family: var(--font-mono);
  font-size: 0.95rem;
  color: var(--color-primary);
  padding-top: 0.2rem;
}
.index-title h3{ margin-bottom: 0.6rem; }
.index-body{ max-width: 34rem; }
.index-item:hover{ background: rgba(36,81,196,0.035); }

/* Card grid (used sparingly, e.g. value props) */
.card-grid{ display: grid; gap: 1.25rem; grid-template-columns: repeat(auto-fit, minmax(240px,1fr)); }
.value-card{
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  padding: clamp(1.6rem, 2.5vw, 2.2rem);
  background: var(--color-white);
  transition: transform var(--dur-fast) var(--ease-out), border-color var(--dur-fast) var(--ease-out), box-shadow var(--dur-fast) var(--ease-out);
}
.value-card:hover{ transform: translateY(-4px); border-color: var(--color-primary); box-shadow: 0 18px 40px -24px rgba(16,22,31,0.35); }
.value-mark{
  width: 2.6rem; height: 2.6rem;
  display: flex; align-items: center; justify-content: center;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-sm);
  margin-bottom: 1.1rem;
  color: var(--color-primary);
}
.value-mark svg{ width: 1.25rem; height: 1.25rem; }

/* ---------------------------------------------------------
   Stat / mission band
   --------------------------------------------------------- */
.mission-band{
  border-top: 1px solid var(--color-line-dark);
  border-bottom: 1px solid var(--color-line-dark);
}
.mission-quote{
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 1.1rem + 1.6vw, 2.3rem);
  line-height: 1.32;
  font-weight: 500;
  letter-spacing: -0.01em;
  max-width: 52rem;
}
.mission-quote em{ font-style: normal; color: #7FA0F0; }

/* ---------------------------------------------------------
   CTA band
   --------------------------------------------------------- */
.cta-band{
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  isolation: isolate;
}
.cta-band img{ position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; z-index: -2; }
.cta-band::after{
  content: "";
  position: absolute; inset: 0; z-index: -1;
  background: linear-gradient(100deg, rgba(16,22,31,0.94) 30%, rgba(16,22,31,0.72) 100%);
}
.cta-inner{ padding: clamp(2.5rem, 6vw, 5rem); color: var(--color-paper); max-width: 42rem; }
.cta-inner .lead{ color: var(--color-graphite-2); margin-bottom: 2rem; }
.cta-inner .hero-ctas{ margin-bottom: 0; }

/* ---------------------------------------------------------
   Footer
   --------------------------------------------------------- */
.site-footer{ background: var(--color-ink); color: var(--color-graphite-2); padding-top: clamp(3rem, 6vw, 5rem); }
.footer-top{
  display: grid;
  gap: 2.5rem;
  padding-bottom: 3rem;
  border-bottom: 1px solid var(--color-line-dark);
}
@media (min-width: 760px){ .footer-top{ grid-template-columns: 1.3fr 0.8fr 0.8fr 1fr; } }
.footer-brand .brand{ color: var(--color-paper); margin-bottom: 0.9rem; }
.footer-brand p{ max-width: 26rem; }
.footer-col h4{
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-paper);
  margin-bottom: 1.1rem;
  font-weight: 500;
}
.footer-col ul{ display: flex; flex-direction: column; gap: 0.7rem; }
.footer-col a{ color: var(--color-graphite-2); transition: color var(--dur-fast) var(--ease-out); font-size: 0.92rem; }
.footer-col a:hover{ color: var(--color-paper); }
.footer-bottom{
  display: flex; flex-wrap: wrap; gap: 1rem;
  align-items: center; justify-content: space-between;
  padding-block: 1.6rem;
  font-family: var(--font-mono); font-size: 0.72rem; letter-spacing: 0.03em;
}
.back-to-top{
  display: inline-flex; align-items: center; gap: 0.5rem;
  color: var(--color-graphite-2);
  font-family: var(--font-mono); font-size: 0.72rem; letter-spacing: 0.05em; text-transform: uppercase;
}
.back-to-top:hover{ color: var(--color-paper); }
.back-to-top svg{ width: 0.9rem; height: 0.9rem; }

/* ---------------------------------------------------------
   Page hero (interior pages)
   --------------------------------------------------------- */
.page-hero{
  background: var(--color-ink);
  color: var(--color-paper);
  padding-top: clamp(3rem, 7vw, 5.5rem);
  padding-bottom: clamp(2.75rem, 6vw, 4.5rem);
  position: relative;
  overflow: hidden;
}
.page-hero::before{
  content: "";
  position: absolute; inset: 0;
  background-image: linear-gradient(var(--color-line-dark) 1px, transparent 1px), linear-gradient(90deg, var(--color-line-dark) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 80% 60% at 20% 0%, black 30%, transparent 80%);
  opacity: 0.5;
}
.page-hero .container{ position: relative; z-index: 1; }
.page-hero .lead{ color: var(--color-graphite-2); max-width: 40rem; }
.breadcrumb{
  font-family: var(--font-mono); font-size: 0.72rem; letter-spacing: 0.06em; text-transform: uppercase;
  color: var(--color-graphite-2); margin-bottom: 1.4rem; display: flex; gap: 0.5rem; align-items: center;
}
.breadcrumb a{ color: var(--color-graphite-2); }
.breadcrumb a:hover{ color: var(--color-paper); }

/* ---------------------------------------------------------
   Process approach (numbered, 3 steps)
   --------------------------------------------------------- */
.process-track{ position: relative; }
.process-track::before{
  content: "";
  position: absolute; left: 1.7rem; top: 0.4rem; bottom: 0.4rem;
  width: 1px; background: var(--color-line);
}
@media (min-width: 760px){ .process-track::before{ display: none; } }
.process-steps{ display: grid; gap: 2.4rem; }
@media (min-width: 760px){ .process-steps{ grid-template-columns: repeat(3, 1fr); gap: 1.75rem; } }
.process-step{ position: relative; padding-left: 3.6rem; }
@media (min-width: 760px){ .process-step{ padding-left: 0; padding-top: 3.2rem; border-top: 1px solid var(--color-line); } }
.process-step .step-num{
  position: absolute; left: 0; top: 0;
  font-family: var(--font-mono); font-size: 0.85rem; color: var(--color-paper);
  background: var(--color-ink); width: 2.6rem; height: 2.6rem; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
}
@media (min-width: 760px){
  .process-step .step-num{ position: static; width: auto; height: auto; background: none; color: var(--color-primary); border-radius: 0; margin-bottom: 0.6rem; display: block; }
}

/* ---------------------------------------------------------
   Forms
   --------------------------------------------------------- */
.form-grid{ display: grid; gap: 1.4rem; }
@media (min-width: 640px){ .form-grid.two-col{ grid-template-columns: 1fr 1fr; } }
.field{ display: flex; flex-direction: column; gap: 0.5rem; }
.field label{
  font-family: var(--font-mono); font-size: 0.72rem; letter-spacing: 0.06em; text-transform: uppercase;
  color: var(--color-graphite);
}
.field input,.field select,.field textarea{
  border: 1px solid var(--color-line);
  border-radius: var(--radius-sm);
  padding: 0.85rem 1rem;
  background: var(--color-white);
  font-size: 0.98rem;
  transition: border-color var(--dur-fast) var(--ease-out), box-shadow var(--dur-fast) var(--ease-out);
}
.field input:focus,.field select:focus,.field textarea:focus{
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(36,81,196,0.14);
  outline: none;
}
.field.has-error input,.field.has-error textarea,.field.has-error select{ border-color: var(--color-error); }
.field-error{ font-size: 0.8rem; color: var(--color-error); font-family: var(--font-mono); }
.checkbox-field{ display: flex; align-items: flex-start; gap: 0.7rem; }
.checkbox-field input{ margin-top: 0.3rem; width: 1rem; height: 1rem; accent-color: var(--color-primary); }
.checkbox-field label{ font-family: var(--font-body); text-transform: none; letter-spacing: 0; font-size: 0.88rem; color: var(--color-graphite); }
.honeypot{ position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

.form-alert{
  padding: 1rem 1.2rem;
  border-radius: var(--radius-sm);
  font-size: 0.92rem;
  margin-bottom: 1.6rem;
  border: 1px solid transparent;
}
.form-alert.success{ background: #E7F3EC; border-color: var(--color-success); color: #1E5E42; }
.form-alert.error{ background: #FBEAE8; border-color: var(--color-error); color: #8C2C22; }

/* ---------------------------------------------------------
   Contact page layout
   --------------------------------------------------------- */
.contact-grid{ display: grid; gap: clamp(2.5rem, 5vw, 4rem); }
@media (min-width: 940px){ .contact-grid{ grid-template-columns: 0.85fr 1.15fr; } }
.contact-detail{ display: flex; gap: 1rem; padding-block: 1.2rem; border-bottom: 1px solid var(--color-line); }
.contact-detail:first-child{ border-top: 1px solid var(--color-line); }
.contact-detail .mark{ width: 2.2rem; height: 2.2rem; border: 1px solid var(--color-line); border-radius: var(--radius-sm); display: flex; align-items: center; justify-content: center; flex-shrink: 0; color: var(--color-primary); }
.contact-detail .mark svg{ width: 1.05rem; height: 1.05rem; }
.contact-detail h4{ font-family: var(--font-mono); font-size: 0.72rem; letter-spacing: 0.06em; text-transform: uppercase; color: var(--color-graphite); margin-bottom: 0.3rem; font-weight: 500; }
.contact-panel{ border: 1px solid var(--color-line); border-radius: var(--radius-md); padding: clamp(1.75rem, 3vw, 2.5rem); background: var(--color-white); }

/* ---------------------------------------------------------
   404
   --------------------------------------------------------- */
.error-page{ min-height: 60vh; display: flex; align-items: center; }
.error-code{ font-family: var(--font-mono); color: var(--color-primary); font-size: 1rem; letter-spacing: 0.1em; }

/* ---------------------------------------------------------
   Utility
   --------------------------------------------------------- */
.mt-0{ margin-top: 0; }
.text-center{ text-align: center; }
.visually-hidden{
  position: absolute; width: 1px; height: 1px; overflow: hidden;
  clip: rect(0 0 0 0); white-space: nowrap;
}