/* ===========================================================
   MULLERTECH — Design tokens
   Base: near-black blue-charcoal. Accent: warm amber (signal),
   muted teal (secondary/status). Headline face: Space Grotesk.
   Body/UI face: Inter. Technical labels: JetBrains Mono.
=========================================================== */

:root{
  --bg:            #0B0F14;
  --panel:         #10151C;
  --panel-raised:  #141B24;
  --line:          #212A35;
  --line-soft:     #1A222C;
  --text:          #E7ECF2;
  --text-dim:      #97A3B3;
  --text-faint:    #5C6878;
  --amber:         #E2A63C;
  --amber-dim:     #8A6A2C;
  --teal:          #4FB8A6;
  --danger:        #D8664F;

  --serif: "Space Grotesk", "Inter", sans-serif;
  --sans:  "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --mono:  "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;

  --maxw: 1120px;

  --header-bg: rgba(11,15,20,0.86);
  color-scheme: dark;
}

:root[data-theme="light"]{
  --bg:            #F6F4EF;
  --panel:         #FFFFFF;
  --panel-raised:  #FBFAF7;
  --line:          #DCD7CC;
  --line-soft:     #E7E3D9;
  --text:          #17191C;
  --text-dim:      #5B5F66;
  --text-faint:    #93968F;
  --amber:         #B87A1E;
  --amber-dim:     #D8B77C;
  --teal:          #1F8A78;
  --danger:        #B0432F;

  --header-bg: rgba(246,244,239,0.86);
  color-scheme: light;
}

:root[data-theme="light"] .btn-primary{ color: #FFFDF9; }
:root[data-theme="light"] .nav-cta:hover{ color: #FFFDF9; }

*, *::before, *::after{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
body{
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  transition: background .2s ease, color .2s ease;
}

.theme-toggle{
  display: flex; align-items: center; justify-content: center;
  width: 38px; height: 38px;
  border: 1px solid var(--line);
  border-radius: 3px;
  background: none;
  color: var(--text-dim);
  cursor: pointer;
  font-family: var(--mono);
  font-size: 0.95rem;
  transition: border-color .15s ease, color .15s ease;
}
.theme-toggle:hover{ border-color: var(--text-dim); color: var(--text); }
.theme-toggle .icon-sun{ display: none; }
:root[data-theme="light"] .theme-toggle .icon-moon{ display: none; }
:root[data-theme="light"] .theme-toggle .icon-sun{ display: block; }

img{ max-width: 100%; display: block; }
a{ color: inherit; text-decoration: none; }

.wrap{
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 28px;
}

h1, h2, h3{
  font-family: var(--serif);
  font-weight: 600;
  line-height: 1.12;
  letter-spacing: -0.01em;
  margin: 0;
}

h1{ font-size: clamp(2.4rem, 5vw, 4rem); }
h2{ font-size: clamp(1.7rem, 3vw, 2.4rem); }
h3{ font-size: 1.2rem; }

p{ margin: 0; color: var(--text-dim); max-width: 62ch; }

.mono{ font-family: var(--mono); }

/* ---------- header ---------- */
header{
  border-bottom: 1px solid var(--line-soft);
  position: sticky; top: 0; z-index: 20;
  background: var(--header-bg);
  backdrop-filter: blur(10px);
}
.nav{
  display: flex; align-items: center; justify-content: space-between;
  height: 68px;
}
.brand{
  display: flex; align-items: baseline; gap: 8px;
  font-family: var(--serif); font-weight: 600; font-size: 1.15rem;
}
.brand .dot{ color: var(--amber); }
.navlinks{ display: flex; gap: 30px; font-size: 0.92rem; color: var(--text-dim); }
.navlinks a{ transition: color .15s ease; }
.navlinks a:hover, .navlinks a[aria-current="page"]{ color: var(--text); }
.navlinks a[aria-current="page"]{ color: var(--amber); }
.nav-cta{
  border: 1px solid var(--amber-dim);
  color: var(--amber);
  padding: 8px 16px;
  border-radius: 3px;
  font-size: 0.88rem;
  transition: background .15s ease, color .15s ease;
}
.nav-cta:hover{ background: var(--amber); color: #14100a; }
.navtoggle{
  display: none;
  background: none; border: 1px solid var(--line); border-radius: 3px;
  color: var(--text); width: 38px; height: 38px; font-family: var(--mono); font-size: 0.9rem;
  cursor: pointer;
}

/* ---------- hero / sections ---------- */
section{ padding: 88px 0; border-bottom: 1px solid var(--line-soft); }
section:last-of-type{ border-bottom: none; }

.eyebrow{
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--teal);
  display: flex; align-items: center; gap: 8px;
  margin-bottom: 18px;
}
.eyebrow::before{
  content: ""; width: 6px; height: 6px; border-radius: 50%;
  background: var(--teal); display: inline-block;
  box-shadow: 0 0 0 3px rgba(79,184,166,0.15);
}

.hero{
  padding-top: 76px;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 56px;
  align-items: center;
}
.hero h1{ margin-bottom: 22px; }
.hero p.lead{ font-size: 1.08rem; margin-bottom: 32px; color: var(--text-dim); }
.hero-actions{ display: flex; gap: 14px; flex-wrap: wrap; }

.btn{
  display: inline-block;
  padding: 13px 24px;
  border-radius: 3px;
  font-size: 0.94rem;
  font-weight: 500;
  border: 1px solid transparent;
  transition: transform .12s ease, background .15s ease, border-color .15s ease;
}
.btn-primary{ background: var(--amber); color: #14100a; }
.btn-primary:hover{ transform: translateY(-1px); }
.btn-ghost{ border-color: var(--line); color: var(--text); }
.btn-ghost:hover{ border-color: var(--text-dim); }

/* ---------- status / services panel (hero visual) ---------- */
.panel{
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 6px;
  overflow: hidden;
}
.panel-head{
  display: flex; align-items: center; justify-content: space-between;
  padding: 12px 16px;
  border-bottom: 1px solid var(--line-soft);
  font-family: var(--mono);
  font-size: 0.74rem;
  color: var(--text-faint);
}
.panel-head .lights{ display: flex; gap: 6px; }
.panel-head .lights span{ width: 8px; height: 8px; border-radius: 50%; background: var(--line); }

.svc-row{
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 16px;
  border-bottom: 1px solid var(--line-soft);
  font-size: 0.9rem;
}
.svc-row:last-child{ border-bottom: none; }
.svc-name{ display: flex; flex-direction: column; gap: 2px; }
.svc-name span.tag{ font-family: var(--mono); font-size: 0.72rem; color: var(--text-faint); }
.svc-status{
  font-family: var(--mono); font-size: 0.72rem;
  color: var(--teal);
  display: flex; align-items: center; gap: 6px;
}
.svc-status::before{ content:"●"; font-size: 0.55rem; }
@media (prefers-reduced-motion: no-preference){
  .svc-status.is-live::before{ animation: pulse-dot 2.2s ease-in-out infinite; }
  @keyframes pulse-dot{
    0%, 100%{ opacity: 1; }
    50%{ opacity: 0.35; }
  }
}

/* ---------- grids ---------- */
.grid-2{ display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.grid-3{ display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }

.card{
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 28px;
}
.card .idx{ font-family: var(--mono); font-size: 0.78rem; color: var(--amber); margin-bottom: 14px; display: block; }
.card h3{ margin-bottom: 10px; }
.card p{ font-size: 0.93rem; }

.section-head{
  display: flex; align-items: flex-end; justify-content: space-between;
  margin-bottom: 40px; gap: 24px; flex-wrap: wrap;
}
.section-head p{ font-size: 0.95rem; margin-top: 10px; }

/* ---------- work / case studies ---------- */
.work-row{
  display: grid; grid-template-columns: 0.9fr 1.4fr;
  gap: 40px;
  padding: 40px 0;
  border-bottom: 1px solid var(--line-soft);
}
.work-row:last-child{ border-bottom: none; }
.work-meta{ font-family: var(--mono); font-size: 0.78rem; color: var(--text-faint); margin-top: 16px; display: flex; gap: 18px; flex-wrap: wrap; }
.work-meta b{ color: var(--text-dim); font-weight: 500; }
.stack-tags{ display: flex; gap: 8px; flex-wrap: wrap; margin-top: 18px; }
.stack-tags span{
  font-family: var(--mono); font-size: 0.72rem;
  border: 1px solid var(--line); color: var(--text-dim);
  padding: 4px 9px; border-radius: 3px;
}

.service-row{
  display: grid; grid-template-columns: 160px 1fr;
  gap: 32px; padding: 32px 0;
  border-bottom: 1px solid var(--line-soft);
}
.service-row:last-child{ border-bottom: none; }
.service-label{
  font-size: 0.8rem; color: var(--text-faint);
  padding-top: 4px;
}

.work-problem{
  font-size: 0.88rem; color: var(--text-faint);
  margin: 10px 0 16px; padding-left: 14px;
  border-left: 2px solid var(--line);
}

.work-toggle{
  margin-top: 18px;
  background: none; border: none; padding: 0;
  font-family: var(--mono); font-size: 0.78rem; color: var(--teal);
  cursor: pointer; display: flex; align-items: center; gap: 6px;
}
.work-toggle::after{ content: "+"; font-size: 0.95rem; line-height: 1; }
.work-toggle[aria-expanded="true"]::after{ content: "–"; }
.work-details{
  display: none;
  margin-top: 18px; padding-top: 18px; border-top: 1px solid var(--line-soft);
}
.work-details.open{ display: block; }

/* ---------- featured case study (work page) ---------- */
.work-featured{
  border: 1px solid var(--amber-dim);
  border-radius: 6px;
  padding: 36px;
  margin-bottom: 44px;
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 40px;
}
.work-featured .eyebrow{ color: var(--amber); }
.work-featured .eyebrow::before{ background: var(--amber); box-shadow: 0 0 0 3px rgba(226,166,60,0.15); }

.mini-panel{ background: var(--panel); border: 1px solid var(--line); border-radius: 6px; overflow: hidden; align-self: start; }
.mini-panel .panel-head{ padding: 10px 14px; }
.mini-panel .svc-row{ padding: 12px 14px; }

/* ---------- process ---------- */
.process-list{ counter-reset: step; }
.process-item{
  display: grid; grid-template-columns: 60px 1fr;
  gap: 20px; padding: 22px 0; border-bottom: 1px solid var(--line-soft);
}
.process-item:last-child{ border-bottom: none; }
.process-num{ font-family: var(--mono); color: var(--amber-dim); font-size: 1.1rem; }

/* ---------- footer ---------- */
footer{ padding: 48px 0 32px; }
.foot-top{
  display: flex; justify-content: space-between; align-items: flex-start;
  flex-wrap: wrap; gap: 24px; margin-bottom: 32px;
}
.foot-links{ display: flex; gap: 36px; flex-wrap: wrap; }
.foot-col h4{ font-family: var(--mono); font-size: 0.72rem; color: var(--text-faint); margin: 0 0 12px; font-weight: 500; }
.foot-col a{ display: block; font-size: 0.9rem; color: var(--text-dim); padding: 4px 0; }
.foot-col a:hover{ color: var(--text); }
.foot-bottom{
  display: flex; justify-content: space-between; align-items: center;
  padding-top: 24px; border-top: 1px solid var(--line-soft);
  font-size: 0.8rem; color: var(--text-faint); flex-wrap: wrap; gap: 10px;
}

/* ---------- page header (subpages) ---------- */
.page-head{ padding: 64px 0 48px; }
.page-head .eyebrow{ margin-bottom: 22px; }
.page-head p.lead{ font-size: 1.05rem; margin-top: 18px; color: var(--text-dim); max-width: 60ch; }

/* ---------- contact ---------- */
.contact-grid{ display: grid; grid-template-columns: 1fr 1fr; gap: 48px; }
.field{ margin-bottom: 18px; }
.field label{ display:block; font-size: 0.82rem; color: var(--text-dim); margin-bottom: 7px; font-family: var(--mono); }
.field input, .field textarea{
  width: 100%; background: var(--panel-raised); border: 1px solid var(--line);
  border-radius: 3px; padding: 12px 14px; color: var(--text); font-family: var(--sans);
  font-size: 0.95rem;
}
.field input:focus, .field textarea:focus{ outline: 2px solid var(--amber); outline-offset: 1px; border-color: transparent; }
.field textarea{ resize: vertical; min-height: 120px; }
.contact-info .row{ display: flex; align-items: center; gap: 12px; padding: 14px 0; border-bottom: 1px solid var(--line-soft); }
.contact-info .row .k{ font-family: var(--mono); font-size: 0.76rem; color: var(--text-faint); width: 90px; flex-shrink: 0; }

/* ---------- misc reveal (single orchestrated hero entrance) ---------- */
@media (prefers-reduced-motion: no-preference){
  .reveal{ animation: rise .6s cubic-bezier(.16,.8,.3,1) both; }
  .reveal.d1{ animation-delay: .08s; }
  .reveal.d2{ animation-delay: .16s; }
  @keyframes rise{
    from{ opacity: 0; transform: translateY(14px); }
    to{ opacity: 1; transform: translateY(0); }
  }
}

/* ---------- focus ---------- */
a:focus-visible, button:focus-visible, .btn:focus-visible{
  outline: 2px solid var(--amber); outline-offset: 2px;
}

/* ===========================================================
   ADMIN PANEL
=========================================================== */
.admin-shell{ display: grid; grid-template-columns: 220px 1fr; min-height: 100vh; }
.admin-sidebar{
  background: var(--panel);
  border-right: 1px solid var(--line);
  padding: 24px 18px;
  display: flex; flex-direction: column; gap: 4px;
}
.admin-sidebar .brand{ margin-bottom: 28px; padding: 0 8px; }
.admin-nav a{
  display: block; padding: 10px 12px; border-radius: 4px;
  font-size: 0.9rem; color: var(--text-dim);
}
.admin-nav a:hover{ background: var(--panel-raised); color: var(--text); }
.admin-nav a[aria-current="page"]{ background: var(--panel-raised); color: var(--amber); }
.admin-nav .logout{ margin-top: auto; color: var(--text-faint); }

.admin-main{ padding: 36px 40px; }
.admin-topbar{ display:flex; justify-content:space-between; align-items:center; margin-bottom: 28px; flex-wrap: wrap; gap: 16px; }

.stat-grid{ display:grid; grid-template-columns: repeat(3,1fr); gap:18px; margin-bottom: 36px; }
.stat-card{ background: var(--panel); border:1px solid var(--line); border-radius:6px; padding:20px 22px; }
.stat-card .num{ font-family: var(--serif); font-size: 2rem; font-weight:600; }
.stat-card .lbl{ font-family: var(--mono); font-size: 0.72rem; color: var(--text-faint); margin-top:4px; }

table.admin-table{ width:100%; border-collapse: collapse; background: var(--panel); border:1px solid var(--line); border-radius:6px; overflow:hidden; }
table.admin-table th, table.admin-table td{ text-align:left; padding: 12px 16px; border-bottom:1px solid var(--line-soft); font-size:0.9rem; }
table.admin-table th{ font-family: var(--mono); font-size:0.72rem; color: var(--text-faint); font-weight:500; }
table.admin-table tr:last-child td{ border-bottom:none; }
table.admin-table td.actions{ display:flex; gap:10px; }
table.admin-table td.actions a{ font-family: var(--mono); font-size: 0.78rem; color: var(--teal); }
table.admin-table td.actions a.danger{ color: var(--danger); }

.alert{ border-radius: 6px; border:1px solid var(--line); padding: 14px 18px; margin-bottom: 20px; font-size: 0.9rem; }
.alert-success{ border-color: var(--teal); color: var(--text); }
.alert-error{ border-color: var(--danger); color: var(--text); }

.login-shell{ min-height: 100vh; display:flex; align-items:center; justify-content:center; }
.login-card{ width: 380px; background: var(--panel); border:1px solid var(--line); border-radius:8px; padding: 36px; }

@media (max-width: 760px){
  .admin-shell{ grid-template-columns: 1fr; }
  .admin-sidebar{ border-right:none; border-bottom:1px solid var(--line); flex-direction:row; overflow-x:auto; }
  .admin-sidebar .brand{ display:none; }
  .stat-grid{ grid-template-columns: 1fr; }
}

/* ---------- responsive ---------- */
@media (max-width: 860px){
  .navlinks{
    display: none;
    position: absolute; top: 68px; left: 0; right: 0;
    background: var(--panel); border-bottom: 1px solid var(--line-soft);
    flex-direction: column; gap: 0; padding: 8px 28px 18px;
  }
  .navlinks.open{ display: flex; }
  .navlinks a{ padding: 12px 0; border-bottom: 1px solid var(--line-soft); }
  .navtoggle{ display: block; }
  .hero{ grid-template-columns: 1fr; }
  .grid-3{ grid-template-columns: 1fr; }
  .grid-2{ grid-template-columns: 1fr; }
  .work-row{ grid-template-columns: 1fr; }
  .work-featured{ grid-template-columns: 1fr; padding: 24px; }
  .service-row{ grid-template-columns: 1fr; gap: 10px; }
  .contact-grid{ grid-template-columns: 1fr; }
  .foot-top{ flex-direction: column; }
}