/* ==========================================================================
   MICHAEL THOMAS CONSULTING GROUP — Design tokens
   Concept: infrastructure-as-schematic. Blueprint discipline, warm materials.
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@400;500;600;700&family=Inter:wght@400;500;600&family=IBM+Plex+Mono:wght@400;500&display=swap');

:root{
  /* color */
  --ink:        #0a1219;   /* base background — deep navy-black, not pure black */
  --ink-2:      #0e1a24;   /* secondary background band */
  --panel:      #121f2b;   /* card / panel surface */
  --panel-line: #24374a;   /* hairline rules on dark */
  --paper:      #eae5d8;   /* warm off-white — primary text on dark */
  --paper-dim:  #a9b3bb;   /* secondary text on dark */
  --copper:     #c9803f;   /* accent 1 — energy / solar / wiring warmth */
  --copper-dim: #8a5a30;
  --signal:     #6fab93;   /* accent 2 — network / data / water */
  --signal-dim: #3f6657;

  /* on light sections (about/contact alt bands) */
  --paper-bg:   #f4f1e9;
  --paper-ink:  #14202b;
  --paper-line: #d8d1bd;

  /* type */
  --f-display: 'Space Grotesk', sans-serif;
  --f-body:    'Inter', sans-serif;
  --f-mono:    'IBM Plex Mono', monospace;

  /* scale */
  --step-1: clamp(0.8rem, 0.77rem + 0.15vw, 0.9rem);
  --step0:  clamp(1rem, 0.96rem + 0.2vw, 1.125rem);
  --step1:  clamp(1.25rem, 1.15rem + 0.5vw, 1.5rem);
  --step2:  clamp(1.75rem, 1.5rem + 1.2vw, 2.25rem);
  --step3:  clamp(2.5rem, 2rem + 2.4vw, 3.75rem);
  --step4:  clamp(3.2rem, 2.4rem + 3.8vw, 5.5rem);

  --edge: 1.5rem;
  --maxw: 1180px;
  --radius: 2px;
}

*, *::before, *::after{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
html:focus-within{ scroll-behavior: auto; }

body{
  margin:0;
  background: var(--ink);
  color: var(--paper);
  font-family: var(--f-body);
  font-size: var(--step0);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

h1,h2,h3,h4{
  font-family: var(--f-display);
  font-weight: 600;
  line-height: 1.1;
  margin: 0 0 0.5em;
  letter-spacing: -0.01em;
}
h1{ font-size: var(--step4); }
h2{ font-size: var(--step3); }
h3{ font-size: var(--step1); }

p{ margin: 0 0 1em; max-width: 62ch; }
.dim{ color: var(--paper-dim); }

.eyebrow{
  font-family: var(--f-mono);
  font-size: var(--step-1);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--copper);
  display:flex;
  align-items:center;
  gap: 0.6em;
  margin-bottom: 1em;
}
.eyebrow::before{
  content:"";
  width: 1.4em;
  height: 1px;
  background: var(--copper);
  display:inline-block;
}

/* focus visibility */
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible{
  outline: 2px solid var(--signal);
  outline-offset: 3px;
}

@media (prefers-reduced-motion: reduce){
  *{ animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; }
}

/* ---------- layout shell ---------- */
.wrap{
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: var(--edge);
}

.band{ padding-block: clamp(3.5rem, 6vw, 6.5rem); }
.band-alt{ background: var(--ink-2); }
.band-paper{ background: var(--paper-bg); color: var(--paper-ink); }
.band-paper p, .band-paper .dim{ color: #4a5560; }
.band-paper .eyebrow{ color: var(--copper-dim); }
.band-paper .eyebrow::before{ background: var(--copper-dim); }

/* schematic panel: corner brackets, like a technical viewport */
.blueprint{
  position: relative;
  border: 1px solid var(--panel-line);
  background: var(--panel);
  padding: clamp(1.5rem, 3vw, 2.5rem);
}
.band-paper .blueprint{ background: #fff; border-color: var(--paper-line); }

.blueprint::before, .blueprint::after,
.blueprint .bp-tl, .blueprint .bp-br{
  content:"";
  position:absolute;
  width: 14px; height: 14px;
  border: 2px solid var(--copper);
  pointer-events:none;
}
.blueprint::before{ top:-1px; left:-1px; border-width: 2px 0 0 2px; }
.blueprint::after{ bottom:-1px; right:-1px; border-width: 0 2px 2px 0; }

/* spec label row — data-sheet style facts, not generic numbered badges */
.spec-row{
  display:grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 1px;
  background: var(--panel-line);
  border: 1px solid var(--panel-line);
  margin-block: 2.5rem;
}
.spec{
  background: var(--ink);
  padding: 1.4rem 1.2rem;
}
.spec .n{
  font-family: var(--f-display);
  font-size: var(--step2);
  color: var(--paper);
  display:block;
}
.spec .l{
  font-family: var(--f-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--paper-dim);
}

/* buttons */
.btn{
  display:inline-flex;
  align-items:center;
  gap: 0.6em;
  font-family: var(--f-mono);
  font-size: 0.85rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 0.9em 1.4em;
  border: 1px solid var(--copper);
  color: var(--paper);
  background: transparent;
  transition: background 0.2s ease, color 0.2s ease;
  cursor:pointer;
}
.btn:hover{ background: var(--copper); color: var(--ink); }
.btn-solid{ background: var(--copper); color: var(--ink); }
.btn-solid:hover{ background: var(--paper); border-color: var(--paper); }

/* ---------- header / nav ---------- */
header.site{
  position: sticky; top:0; z-index: 40;
  background: rgba(10,18,25,0.86);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--panel-line);
}
header.site .wrap{
  display:flex; align-items:center; justify-content:space-between;
  padding-block: 0.9rem;
}
.brand{ display:flex; align-items:center; gap: 0.7rem; }
.brand svg{ width: 38px; height: 38px; }
.brand-text{
  font-family: var(--f-display);
  font-size: 0.95rem;
  letter-spacing: 0.04em;
  line-height: 1.15;
}
.brand-text small{
  display:block;
  font-family: var(--f-mono);
  font-size: 0.62rem;
  letter-spacing: 0.12em;
  color: var(--paper-dim);
  text-transform: uppercase;
}
nav.primary ul{
  list-style:none; display:flex; gap: clamp(1.2rem, 2vw, 2.2rem);
  margin:0; padding:0;
  font-family: var(--f-mono); font-size: 0.82rem; letter-spacing: 0.05em; text-transform: uppercase;
}
nav.primary a{ position:relative; padding-bottom: 4px; color: var(--paper-dim); }
nav.primary a:hover, nav.primary a[aria-current="page"]{ color: var(--paper); }
nav.primary a[aria-current="page"]::after{
  content:""; position:absolute; left:0; right:0; bottom:-6px; height:2px; background: var(--copper);
}
.nav-toggle{ display:none; }

@media (max-width: 760px){
  nav.primary ul{
    position: fixed; inset: 62px 0 auto 0;
    background: var(--ink);
    flex-direction: column;
    padding: 1.2rem var(--edge) 1.6rem;
    border-bottom: 1px solid var(--panel-line);
    transform: translateY(-8px);
    opacity: 0; pointer-events:none;
    transition: transform 0.2s ease, opacity 0.2s ease;
  }
  nav.primary.open ul{ transform: translateY(0); opacity:1; pointer-events:auto; }
  .nav-toggle{
    display:inline-flex; background:none; border:1px solid var(--panel-line);
    color: var(--paper); width: 40px; height: 40px; align-items:center; justify-content:center;
    font-family: var(--f-mono); font-size: 1.1rem;
  }
}

/* ---------- footer ---------- */
footer.site{
  border-top: 1px solid var(--panel-line);
  padding-block: 2.4rem;
  background: var(--ink-2);
}
footer.site .wrap{
  display:flex; flex-wrap:wrap; gap: 1.5rem 3rem; justify-content:space-between; align-items:flex-start;
}
footer.site .f-col h4{
  font-family: var(--f-mono); font-size: 0.72rem; letter-spacing:0.1em; text-transform:uppercase;
  color: var(--paper-dim); margin-bottom: 0.8em;
}
footer.site .f-col a{ display:block; color: var(--paper-dim); font-size: 0.92rem; margin-bottom: 0.4em; }
footer.site .f-col a:hover{ color: var(--copper); }
footer .legal{ font-family: var(--f-mono); font-size: 0.72rem; color: var(--paper-dim); }

/* ---------- hero ---------- */
.hero{
  position: relative;
  min-height: 86vh;
  display:flex; align-items:center;
  overflow:hidden;
  border-bottom: 1px solid var(--panel-line);
}
.hero-bg{
  position:absolute; inset:0;
  background-image:
    linear-gradient(180deg, rgba(10,18,25,0.55) 0%, rgba(10,18,25,0.86) 62%, var(--ink) 100%),
    url('../assets/earth.jpg');
  background-size: cover;
  background-position: center 68%;
  filter: saturate(0.85) brightness(0.8);
}
.hero-grid{
  position:absolute; inset:0;
  background-image:
    linear-gradient(90deg, rgba(234,229,216,0.05) 1px, transparent 1px),
    linear-gradient(0deg, rgba(234,229,216,0.05) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: linear-gradient(180deg, black, transparent 85%);
}
.hero .wrap{ position:relative; z-index:2; padding-block: 5rem; }
.hero-grid-2col{
  display:grid; grid-template-columns: 1.3fr 0.9fr; gap: clamp(2rem, 5vw, 4rem);
  align-items:center;
}
@media (max-width: 860px){ .hero-grid-2col{ grid-template-columns: 1fr; } }

.hero h1{ margin-bottom: 0.4em; }
.hero .lede{ font-size: var(--step1); color: var(--paper-dim); max-width: 42ch; }
.hero-actions{ display:flex; gap: 1rem; flex-wrap:wrap; margin-top: 2rem; }

.hero-mark{
  display:flex; align-items:center; justify-content:center;
  aspect-ratio: 1; width: min(360px, 100%);
  margin-inline: auto;
}
.hero-mark svg{ width:100%; height:100%; }

/* ---------- generic content blocks ---------- */
.grid-2{ display:grid; grid-template-columns: 1fr 1fr; gap: clamp(1.5rem, 4vw, 3rem); align-items:start; }
.grid-3{ display:grid; grid-template-columns: repeat(3, 1fr); gap: 1.4rem; }
.grid-4{ display:grid; grid-template-columns: repeat(4, 1fr); gap: 1.2rem; }
@media (max-width: 900px){ .grid-2{ grid-template-columns:1fr; } .grid-3{ grid-template-columns:1fr 1fr; } .grid-4{ grid-template-columns:1fr 1fr; } }
@media (max-width: 560px){ .grid-3, .grid-4{ grid-template-columns:1fr; } }

.card{
  border: 1px solid var(--panel-line);
  padding: 1.6rem;
  background: var(--panel);
  height:100%;
}
.card .tag{
  font-family: var(--f-mono); font-size: 0.68rem; letter-spacing:0.1em; text-transform:uppercase;
  color: var(--signal); margin-bottom: 0.9em; display:block;
}
.card h3{ margin-bottom: 0.4em; }
.card p{ color: var(--paper-dim); font-size: 0.95rem; }

.section-head{ max-width: 60ch; margin-bottom: 2.4rem; }

/* reveal-on-scroll */
.reveal{ opacity:0; transform: translateY(16px); transition: opacity 0.6s ease, transform 0.6s ease; }
.reveal.in{ opacity:1; transform: translateY(0); }

/* timeline (About page) — a real chronology, so sequence markers are earned */
.timeline{ position:relative; padding-left: 2.2rem; border-left: 1px solid var(--panel-line); }
.tl-item{ position:relative; padding-bottom: 2.4rem; }
.tl-item:last-child{ padding-bottom:0; }
.tl-item::before{
  content:""; position:absolute; left:-2.31rem; top:0.3rem;
  width:9px; height:9px; border-radius:50%;
  background: var(--ink); border: 2px solid var(--copper);
}
.tl-year{ font-family: var(--f-mono); font-size: 0.78rem; color: var(--copper); letter-spacing:0.06em; }
.tl-item h3{ margin: 0.2em 0 0.3em; font-size: var(--step1); }
.tl-item p{ color: var(--paper-dim); font-size: 0.95rem; }

/* contact */
.contact-grid{ display:grid; grid-template-columns: 1fr 1fr; gap: clamp(2rem,4vw,3.5rem); }
@media (max-width: 860px){ .contact-grid{ grid-template-columns:1fr; } }
.field{ margin-bottom: 1.3rem; }
.field label{
  display:block; font-family: var(--f-mono); font-size: 0.72rem; letter-spacing:0.08em;
  text-transform:uppercase; color: var(--paper-dim); margin-bottom: 0.5em;
}
.field input, .field textarea, .field select{
  width:100%; background: var(--ink); border: 1px solid var(--panel-line); color: var(--paper);
  padding: 0.8em 0.9em; font-family: var(--f-body); font-size: 0.95rem;
}
.field textarea{ min-height: 130px; resize: vertical; }
.field input:focus, .field textarea:focus, .field select:focus{ border-color: var(--copper); }

.pulse-dot{
  width:8px; height:8px; border-radius:50%; background: var(--signal);
  display:inline-block; margin-right:0.5em;
  box-shadow: 0 0 0 0 rgba(111,171,147,0.6);
  animation: pulse 2.4s infinite;
}
@keyframes pulse{
  0%{ box-shadow: 0 0 0 0 rgba(111,171,147,0.55); }
  70%{ box-shadow: 0 0 0 8px rgba(111,171,147,0); }
  100%{ box-shadow: 0 0 0 0 rgba(111,171,147,0); }
}

/* ---------- signature mark (actual logo, white-on-transparent) ---------- */
section[id]{ scroll-margin-top: 84px; }

.brand-mark{
  width: 38px; height: 38px;
  object-fit: contain;
}
.hero-mark-img{
  width: 100%;
  object-fit: contain;
  animation: mark-fade-in 1s ease both, mark-breathe 3.6s ease-in-out 1s infinite;
}
@keyframes mark-fade-in{
  from{ opacity: 0; transform: scale(0.96); }
  to{ opacity: 1; transform: scale(1); }
}
@keyframes mark-breathe{
  0%, 100%{ filter: drop-shadow(0 0 0 rgba(201,128,63,0)); }
  50%{ filter: drop-shadow(0 0 14px rgba(201,128,63,0.45)); }
}
@media (prefers-reduced-motion: reduce){
  .hero-mark-img{ animation: none; }
}

.final-cta{
  text-align:center;
  padding-block: clamp(4rem, 8vw, 7rem);
  background: var(--ink-2);
  border-top: 1px solid var(--panel-line);
}
.final-cta h2{ max-width: 18ch; margin-inline:auto; }
.final-cta .eyebrow{ justify-content:center; }
.final-cta .eyebrow::before{ display:none; }