/* brueckencode — Editorial/Swiss + Technik */

:root {
  --bg: #fafaf9;
  --bg-raised: #ffffff;
  --bg-dark: #0c0a09;
  --bg-code: #1c1917;
  --ink: #0c0a09;
  --ink-muted: #44403c;
  --ink-soft: #78716c;
  --line: #e7e5e4;
  --line-strong: #a8a29e;
  --accent: #c2410c;
  --accent-hover: #9a3412;
  --accent-soft: #fed7aa;
  --success: #15803d;
  --warn: #b45309;
  --danger: #991b1b;

  --font-mono: "JetBrains Mono", "SF Mono", Menlo, Consolas, monospace;
  --font-sans: -apple-system, BlinkMacSystemFont, "Inter", "Helvetica Neue", Arial, sans-serif;
  --font-serif: "Iowan Old Style", "Palatino Linotype", Palatino, "URW Palladio L", Georgia, serif;

  --max: 1200px;
  --max-prose: 68ch;
  --gap: clamp(1rem, 2vw, 1.5rem);
  --gap-lg: clamp(2rem, 4vw, 3rem);
  --gap-xl: clamp(3rem, 6vw, 5rem);

  --radius: 2px;
  --shadow-sm: 0 1px 0 var(--line);
  --shadow: 0 4px 24px rgba(12, 10, 9, 0.06), 0 1px 0 var(--line);
}

* { box-sizing: border-box; }
*::before, *::after { box-sizing: border-box; }

html {
  font-size: 17px;
  -webkit-text-size-adjust: 100%;
  text-rendering: optimizeLegibility;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  line-height: 1.6;
  color: var(--ink);
  background: var(--bg);
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 48px 48px;
  background-position: 0 0;
  background-attachment: fixed;
  background-blend-mode: normal;
  -webkit-font-smoothing: antialiased;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  background: var(--bg);
  opacity: 0.92;
  z-index: -1;
  pointer-events: none;
}

a {
  color: var(--accent);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
  transition: color 0.15s;
}
a:hover { color: var(--accent-hover); }

h1, h2, h3, h4 {
  font-family: var(--font-mono);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.1;
  margin: 0 0 0.5em;
  color: var(--ink);
  text-wrap: balance;
  hyphens: auto;
  overflow-wrap: break-word;
}

h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.5rem, 3vw, 2.25rem); }
h3 { font-size: 1.25rem; }
h4 { font-size: 1.05rem; }

p { margin: 0 0 1em; }

hr {
  border: none;
  border-top: 1px solid var(--line);
  margin: var(--gap-lg) 0;
}

code, pre, kbd, samp {
  font-family: var(--font-mono);
  font-size: 0.92em;
}

pre {
  background: var(--bg-code);
  color: #e7e5e4;
  padding: 1.25rem 1.5rem;
  overflow-x: auto;
  border-radius: var(--radius);
  border-left: 3px solid var(--accent);
  font-size: 0.88em;
  line-height: 1.6;
  margin: 1.5em 0;
}

code {
  background: var(--line);
  padding: 0.1em 0.4em;
  border-radius: var(--radius);
  color: var(--ink);
}

pre code {
  background: none;
  padding: 0;
  color: inherit;
}

blockquote {
  margin: 1.5em 0;
  padding: 0.5em 1.5em;
  border-left: 3px solid var(--accent);
  font-style: italic;
  color: var(--ink-muted);
}

ul, ol { padding-left: 1.25em; }
li { margin-bottom: 0.35em; }

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

/* Layout containers */

.wrap {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 var(--gap);
}

.wrap-narrow {
  max-width: var(--max-prose);
  margin: 0 auto;
  padding: 0 var(--gap);
}

section { padding: var(--gap-xl) 0; }
section + section { border-top: 1px solid var(--line); }

/* Header */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(8px);
  background: rgba(250, 250, 249, 0.92);
}

.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 1rem;
  padding-bottom: 1rem;
  gap: 1rem;
  position: relative;
}

.brand {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--ink);
  text-decoration: none;
  letter-spacing: -0.02em;
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  flex-shrink: 0;
}

.brand-mark {
  display: inline-block;
  width: 1.1rem;
  height: 1.1rem;
  background: var(--accent);
  position: relative;
  transform: rotate(45deg);
  flex-shrink: 0;
}
.brand-mark::before {
  content: "";
  position: absolute;
  inset: 0.18rem;
  background: var(--bg);
}

.nav-toggle { display: none; }

.nav-burger {
  display: none;
  width: 2.4rem;
  height: 2.4rem;
  cursor: pointer;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  padding: 0.5rem;
  border: 1px solid var(--line-strong);
  background: var(--bg);
  flex-shrink: 0;
}
.nav-burger span {
  display: block;
  width: 1.1rem;
  height: 2px;
  background: var(--ink);
  transition: transform 0.2s, opacity 0.2s;
}
.nav-toggle:checked + .nav-burger span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.nav-toggle:checked + .nav-burger span:nth-child(2) {
  opacity: 0;
}
.nav-toggle:checked + .nav-burger span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.nav {
  display: flex;
  gap: 1.5rem;
  align-items: center;
  list-style: none;
  padding: 0;
  margin: 0;
}
.nav a {
  color: var(--ink-muted);
  text-decoration: none;
  font-size: 0.95rem;
  font-family: var(--font-mono);
  padding: 0.3rem 0;
  border-bottom: 2px solid transparent;
  white-space: nowrap;
}
.nav a:hover {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

.nav-cta {
  background: var(--ink);
  color: var(--bg) !important;
  padding: 0.55rem 1rem !important;
  border: 2px solid var(--ink) !important;
  white-space: nowrap;
  flex-shrink: 0;
}
.nav-cta:hover {
  background: var(--accent);
  border-color: var(--accent) !important;
  color: var(--bg) !important;
}

@media (max-width: 860px) {
  /* Header sits above the overlay */
  .site-header { z-index: 200; }
  .nav-burger { display: flex; position: relative; z-index: 210; }

  /* Fullscreen overlay menu */
  .nav-wrap {
    position: fixed;
    inset: 0;
    background: var(--accent);
    z-index: 150;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity 0.25s ease, visibility 0s linear 0.25s;
  }
  .nav-toggle:checked ~ .nav-wrap {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transition: opacity 0.25s ease;
  }

  /* Body scroll lock when menu open (modern browsers) */
  body:has(.nav-toggle:checked) {
    overflow: hidden;
  }

  /* Header morphs: transparent so accent shows through, brand + burger become light */
  body:has(.nav-toggle:checked) .site-header {
    background: transparent;
    border-bottom-color: transparent;
    backdrop-filter: none;
  }
  body:has(.nav-toggle:checked) .brand { color: #fff; }
  body:has(.nav-toggle:checked) .brand-mark { background: #fff; }
  body:has(.nav-toggle:checked) .brand-mark::before { background: var(--accent); }
  body:has(.nav-toggle:checked) .nav-burger {
    background: transparent;
    border-color: rgba(255, 255, 255, 0.4);
  }
  body:has(.nav-toggle:checked) .nav-burger span { background: #fff; }

  .nav {
    flex-direction: column;
    align-items: center;
    gap: 0;
    padding: 0;
    width: 100%;
    max-width: 24rem;
  }
  .nav li {
    width: 100%;
    text-align: center;
    border: none;
  }
  .nav a {
    display: block;
    padding: 1.1rem 1rem;
    font-size: 1.75rem;
    font-family: var(--font-mono);
    font-weight: 500;
    color: #fff;
    border-bottom: none;
    letter-spacing: -0.01em;
    white-space: normal;
    opacity: 0.9;
    transition: opacity 0.15s, transform 0.15s;
  }
  .nav a:hover,
  .nav a:focus {
    color: #fff;
    background: transparent;
    opacity: 1;
    transform: translateX(4px);
    border-bottom: none;
  }

  .nav-cta {
    background: var(--ink) !important;
    color: #fff !important;
    border: 2px solid var(--ink) !important;
    margin: 1.5rem auto 0 !important;
    padding: 1rem 2rem !important;
    font-size: 1rem !important;
    display: inline-block !important;
    opacity: 1 !important;
  }
  .nav-cta:hover {
    background: #fff !important;
    color: var(--accent) !important;
    border-color: #fff !important;
    transform: none !important;
  }
}

/* Hero */

.hero {
  position: relative;
  padding: clamp(3rem, 8vw, 6rem) 0 clamp(3rem, 6vw, 5rem);
  border-bottom: 1px solid var(--line);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: var(--gap-lg);
  align-items: center;
}

.hero-tag {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 1rem;
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
}
.hero-tag::before {
  content: "";
  display: inline-block;
  width: 2rem;
  height: 1px;
  background: var(--accent);
}

.hero h1 {
  font-size: clamp(2.25rem, 5.5vw, 4rem);
  line-height: 1.05;
  margin-bottom: 1.25rem;
}
.hero h1 .accent { color: var(--accent); }

.hero-lead {
  font-size: clamp(1.1rem, 1.6vw, 1.3rem);
  color: var(--ink-muted);
  max-width: 48ch;
  line-height: 1.55;
}

.hero-cta {
  display: flex;
  gap: 1rem;
  margin-top: 2rem;
  flex-wrap: wrap;
}

.hero-art {
  position: relative;
  aspect-ratio: 4/5;
  background: var(--bg-dark);
  overflow: hidden;
  border: 1px solid var(--line-strong);
}
.hero-art img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.hero-art-label {
  position: absolute;
  left: 0;
  bottom: 0;
  background: var(--bg);
  color: var(--ink);
  padding: 0.4rem 0.8rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border-top: 1px solid var(--line-strong);
  border-right: 1px solid var(--line-strong);
}

@media (max-width: 800px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-art { aspect-ratio: 3/2; max-height: 340px; }
}

/* Buttons */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.85rem 1.4rem;
  font-family: var(--font-mono);
  font-size: 0.95rem;
  font-weight: 600;
  text-decoration: none;
  border: 2px solid var(--ink);
  background: var(--ink);
  color: var(--bg);
  transition: background 0.15s, border-color 0.15s, transform 0.15s;
  white-space: nowrap;
  flex-shrink: 0;
  cursor: pointer;
}
.btn:hover {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--bg);
  transform: translate(-2px, -2px);
  box-shadow: 2px 2px 0 var(--ink);
}
.btn-ghost {
  background: transparent;
  color: var(--ink);
}
.btn-ghost:hover {
  background: var(--ink);
  color: var(--bg);
}
.btn-arrow::after {
  content: "→";
  display: inline-block;
  transition: transform 0.15s;
}
.btn-arrow:hover::after { transform: translateX(4px); }

/* Problem/Loesung */

.pl {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--gap-lg);
}
.pl-side h3 {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--ink-soft);
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.6rem;
}
.pl-side h3::before {
  content: "";
  display: inline-block;
  width: 0.6rem;
  height: 0.6rem;
  background: currentColor;
}
.pl-side.problem h3::before { background: var(--danger); }
.pl-side.solution h3::before { background: var(--success); }

.pl-side p {
  font-size: 1.1rem;
  color: var(--ink);
  line-height: 1.55;
}
.pl-side ul {
  list-style: none;
  padding: 0;
}
.pl-side ul li {
  padding: 0.6rem 0;
  border-bottom: 1px solid var(--line);
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
}
.pl-side ul li::before {
  content: "";
  display: inline-block;
  width: 0.4rem;
  height: 0.4rem;
  margin-top: 0.6rem;
  flex-shrink: 0;
}
.pl-side.problem ul li::before {
  background: var(--danger);
  transform: rotate(45deg);
}
.pl-side.solution ul li::before {
  background: var(--success);
  border-radius: 50%;
}

@media (max-width: 800px) {
  .pl { grid-template-columns: 1fr; }
}

/* Section header */

.section-head {
  margin-bottom: var(--gap-lg);
  max-width: 60ch;
}
.section-head .eyebrow {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin-bottom: 0.8rem;
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
}
.section-head .eyebrow::before {
  content: "// ";
  color: var(--ink-soft);
}

/* Services grid */

.services {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2px;
  background: var(--line-strong);
  border: 1px solid var(--line-strong);
}

.service-card {
  background: var(--bg-raised);
  padding: 2rem;
  display: flex;
  flex-direction: column;
  transition: background 0.2s;
  text-decoration: none;
  color: var(--ink);
  position: relative;
  min-height: 280px;
}
.service-card:hover {
  background: var(--ink);
  color: var(--bg);
}
.service-card:hover .service-num,
.service-card:hover .service-more { color: var(--accent-soft); }
.service-card:hover h3 { color: var(--bg); }

.service-num {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--ink-soft);
  margin-bottom: 1rem;
  letter-spacing: 0.08em;
}
.service-card h3 {
  font-size: 1.4rem;
  margin-bottom: 0.75rem;
  line-height: 1.15;
}
.service-card p {
  color: inherit;
  opacity: 0.85;
  font-size: 0.95rem;
  margin-bottom: 1.5rem;
  flex-grow: 1;
}
.service-more {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--accent);
  margin-top: auto;
  letter-spacing: 0.04em;
}
.service-more::after { content: " →"; }

@media (max-width: 700px) {
  .services { grid-template-columns: 1fr; }
}

/* Process */

.process {
  counter-reset: step;
  display: grid;
  gap: 2rem;
}
.step {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1.5rem;
  align-items: start;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--line);
}
.step:last-child { border-bottom: none; }
.step-num {
  counter-increment: step;
  font-family: var(--font-mono);
  font-size: 3rem;
  font-weight: 700;
  color: var(--accent);
  line-height: 1;
  min-width: 4rem;
}
.step-num::before {
  content: counter(step, decimal-leading-zero);
}
.step h3 {
  font-size: 1.35rem;
  margin-bottom: 0.5rem;
}
.step p {
  color: var(--ink-muted);
  font-size: 1rem;
  max-width: 60ch;
}

/* Blog list */

.posts {
  display: grid;
  gap: 0;
}
.post-item {
  display: grid;
  grid-template-columns: 120px 1fr auto;
  gap: 2rem;
  padding: 1.75rem 0;
  border-bottom: 1px solid var(--line);
  text-decoration: none;
  color: var(--ink);
  align-items: baseline;
  transition: padding-left 0.2s;
}
.post-item:hover {
  padding-left: 1rem;
}
.post-item:hover h3 {
  color: var(--accent);
}
.post-date {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--ink-soft);
  letter-spacing: 0.03em;
}
.post-item h3 {
  font-size: 1.25rem;
  margin: 0;
  transition: color 0.15s;
}
.post-tag {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ink-soft);
  padding: 0.25rem 0.6rem;
  border: 1px solid var(--line-strong);
}

@media (max-width: 700px) {
  .post-item {
    grid-template-columns: 1fr;
    gap: 0.5rem;
  }
  .post-tag { justify-self: start; }
}

/* Article (blog single) */

article.post {
  padding: var(--gap-xl) 0;
}

article.post header {
  max-width: var(--max-prose);
  margin: 0 auto var(--gap-lg);
  padding: 0 var(--gap);
}

article.post header .meta {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--ink-soft);
  margin-bottom: 1rem;
  letter-spacing: 0.04em;
}

article.post header h1 {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  margin-bottom: 1rem;
}

article.post header .summary {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 1.2rem;
  color: var(--ink-muted);
  max-width: 60ch;
  line-height: 1.55;
}

article.post .content {
  max-width: var(--max-prose);
  margin: 0 auto;
  padding: 0 var(--gap);
  font-family: var(--font-serif);
  font-size: 1.1rem;
  line-height: 1.75;
}

article.post .content h2 {
  font-family: var(--font-mono);
  font-size: 1.4rem;
  margin-top: 2.5em;
  margin-bottom: 0.8em;
  padding-top: 0.5em;
  border-top: 1px solid var(--line);
}

article.post .content h3 {
  font-family: var(--font-mono);
  font-size: 1.1rem;
  margin-top: 2em;
}

article.post .content p { margin-bottom: 1.2em; }

article.post .content ul,
article.post .content ol { margin-bottom: 1.2em; }

article.post .content figure {
  margin: 2em 0;
}
article.post .content figure img {
  border: 1px solid var(--line-strong);
}
article.post .content figcaption {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--ink-soft);
  text-align: center;
  margin-top: 0.6rem;
  letter-spacing: 0.03em;
}

/* Service single page */

.service-head {
  padding: var(--gap-xl) 0 var(--gap-lg);
  border-bottom: 1px solid var(--line);
}
.service-head .breadcrumb {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--ink-soft);
  margin-bottom: 1rem;
  letter-spacing: 0.04em;
}
.service-head .breadcrumb a { color: var(--ink-soft); }
.service-head h1 {
  font-size: clamp(2rem, 5vw, 3.5rem);
  max-width: 16ch;
}
.service-head .lead {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 1.3rem;
  color: var(--ink-muted);
  max-width: 60ch;
  margin-top: 1rem;
}

.service-body {
  padding: var(--gap-xl) var(--gap);
  display: grid;
  grid-template-columns: 1fr 280px;
  gap: var(--gap-xl);
  align-items: start;
}
.service-body .content {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  line-height: 1.7;
  max-width: var(--max-prose);
}
.service-body .content h2 {
  font-family: var(--font-mono);
  font-size: 1.4rem;
  margin-top: 2em;
  padding-top: 0.5em;
  border-top: 1px solid var(--line);
}
.service-body .content p { margin-bottom: 1.15em; }
.service-body .content ul { margin-bottom: 1.15em; }

.service-aside {
  position: sticky;
  top: 6rem;
  padding: 1.5rem;
  border: 1px solid var(--line-strong);
  background: var(--bg-raised);
}
.service-aside h3 {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--ink-soft);
  margin-bottom: 1rem;
}
.service-aside ul {
  list-style: none;
  padding: 0;
  margin: 0 0 1.5rem;
}
.service-aside ul li {
  padding: 0.5rem 0;
  border-bottom: 1px dashed var(--line);
  font-size: 0.92rem;
  font-family: var(--font-mono);
}
.service-aside ul li::before { content: "▸  "; color: var(--accent); }
.service-aside .cta {
  display: block;
  text-align: center;
  margin-top: 1rem;
}

@media (max-width: 900px) {
  .service-body { grid-template-columns: 1fr; }
  .service-aside { position: static; }
}

/* Contact form */

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--gap-xl);
  align-items: start;
}
.contact-info h2 {
  font-size: 1.8rem;
  margin-bottom: 1rem;
}
.contact-info .ways {
  list-style: none;
  padding: 0;
  margin: 2rem 0 0;
}
.contact-info .ways li {
  padding: 1rem 0;
  border-bottom: 1px solid var(--line);
}
.contact-info .ways .label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--ink-soft);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  display: block;
  margin-bottom: 0.25rem;
}
.contact-info .ways .value {
  font-family: var(--font-mono);
  font-size: 1.1rem;
  color: var(--ink);
}

form.contact {
  display: grid;
  gap: 1.25rem;
  padding: 2rem;
  border: 1px solid var(--line-strong);
  background: var(--bg-raised);
}
form.contact label {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ink-soft);
  display: block;
  margin-bottom: 0.35rem;
}
form.contact input,
form.contact textarea,
form.contact select {
  width: 100%;
  padding: 0.75rem 0.9rem;
  font-family: var(--font-sans);
  font-size: 1rem;
  border: 1px solid var(--line-strong);
  background: var(--bg);
  color: var(--ink);
  border-radius: 0;
  transition: border-color 0.15s;
}
form.contact input:focus,
form.contact textarea:focus,
form.contact select:focus {
  outline: none;
  border-color: var(--accent);
}
form.contact textarea {
  min-height: 140px;
  resize: vertical;
  font-family: var(--font-sans);
}
form.contact button {
  justify-self: start;
}
form.contact .privacy {
  font-size: 0.85rem;
  color: var(--ink-soft);
  margin-top: 0.5rem;
}

.contact-status {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  padding: 0.85rem 1rem;
  margin-top: 0.25rem;
  border: 1px solid transparent;
  display: none;
}
.contact-status.loading,
.contact-status.success,
.contact-status.error {
  display: block;
}
.contact-status.loading {
  color: var(--ink-muted);
  background: var(--bg);
  border-color: var(--line-strong);
}
.contact-status.success {
  color: var(--success);
  background: #f0fdf4;
  border-color: var(--success);
}
.contact-status.error {
  color: var(--danger);
  background: #fef2f2;
  border-color: var(--danger);
}

@media (max-width: 800px) {
  .contact-grid { grid-template-columns: 1fr; }
}

/* Footer */

.site-footer {
  margin-top: var(--gap-xl);
  padding: var(--gap-lg) 0;
  border-top: 1px solid var(--line-strong);
  background: var(--bg-dark);
  color: var(--ink-soft);
}
.site-footer .wrap {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--gap-lg);
}
.site-footer h4 {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: #a8a29e;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 1rem;
}
.site-footer ul {
  list-style: none;
  padding: 0;
  margin: 0;
}
.site-footer ul li { margin-bottom: 0.5rem; }
.site-footer a {
  color: #d6d3d1;
  text-decoration: none;
  font-size: 0.92rem;
}
.site-footer a:hover { color: var(--accent); }
.site-footer .brand { color: #fff; font-size: 1.2rem; }
.site-footer .tagline {
  font-size: 0.9rem;
  color: #a8a29e;
  max-width: 34ch;
  margin-top: 0.6rem;
  line-height: 1.5;
}
.site-footer .bottom {
  grid-column: 1 / -1;
  padding-top: 1.5rem;
  margin-top: 1.5rem;
  border-top: 1px solid #292524;
  font-size: 0.82rem;
  color: #78716c;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}

@media (max-width: 800px) {
  .site-footer .wrap { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 500px) {
  .site-footer .wrap { grid-template-columns: 1fr; }
}

/* Utility */

.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

.callout {
  padding: 1.5rem 1.75rem;
  border-left: 3px solid var(--accent);
  background: var(--bg-raised);
  margin: 2em 0;
  font-family: var(--font-sans);
  font-size: 1rem;
  font-style: normal;
  color: var(--ink);
}
.callout strong { font-family: var(--font-mono); }

.tech-stack {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin: 1rem 0 2rem;
}
.tech-stack span {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  padding: 0.3rem 0.6rem;
  background: var(--bg-raised);
  border: 1px solid var(--line-strong);
  color: var(--ink-muted);
}

/* Diagram styling (inline SVG blueprints) */

.diagram {
  margin: 2em 0;
  padding: 2rem 1rem;
  background: var(--bg-raised);
  border: 1px solid var(--line-strong);
  text-align: center;
}
.diagram svg {
  max-width: 100%;
  height: auto;
}
.diagram .label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--ink-soft);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-top: 1rem;
}