/* ============================================================
   0. TOKENS
   Design system: "The Dual Index" — every piece of content is
   tagged BUILD (amber, shipped engineering) or RESEARCH (teal,
   inquiry & analysis), carried through nav, stats, skills and
   project filters rather than used as decoration.
   ============================================================ */

:root{
  --bg:#0B0E13;
  --bg-soft:#10141B;
  --surface:#161B23;
  --surface-2:#1E2530;
  --border:rgba(236,232,222,0.10);
  --border-strong:rgba(236,232,222,0.20);
  --paper:#ECE8DE;
  --paper-dim:#C9C5BB;
  --muted:#888E99;
  --amber:#FFA400;
  --amber-soft:rgba(232,149,74,0.14);
  --teal:#4FB8AC;
  --teal-soft:rgba(79,184,172,0.14);
  --danger:#E2685B;

  --font-display:'Newsreader', Georgia, serif;
  --font-body:'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono:'JetBrains Mono', 'SF Mono', Consolas, monospace;

  --fs-h1: clamp(2.6rem, 1.6rem + 4.6vw, 5.6rem);
  --fs-h2: clamp(2rem, 1.4rem + 2.4vw, 3.4rem);
  --fs-h3: clamp(1.3rem, 1.1rem + 0.8vw, 1.7rem);
  --fs-lead: clamp(1.05rem, 0.95rem + 0.4vw, 1.3rem);
  --fs-body: clamp(0.98rem, 0.92rem + 0.15vw, 1.05rem);
  --fs-small: 0.85rem;
  --fs-eyebrow: 0.78rem;

  --container: min(1240px, 100% - 2.8rem);
  --radius-sm: 4px;
  --radius-md: 10px;
  --radius-lg: 18px;
  --ease: cubic-bezier(.22,.61,.36,1);
  --dur: .6s;
}

/* ============================================================
   1. RESET
   ============================================================ */

*,*::before,*::after{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
body{ margin:0; }
img,svg,video{ display:block; max-width:100%; }
a{ color:inherit; text-decoration:none; }
button{ font:inherit; color:inherit; background:none; border:0; cursor:pointer; }
ul{ margin:0; padding:0; list-style:none; }
h1,h2,h3,h4,p,figure{ margin:0; }
input,textarea{ font:inherit; color:inherit; }

body{
  background:var(--bg);
  color:var(--paper);
  font-family:var(--font-body);
  font-size:var(--fs-body);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  /* faint lab-grid texture */
  background-image:
    radial-gradient(circle at 1px 1px, rgba(236,232,222,0.05) 1px, transparent 0);
  background-size: 28px 28px;
}

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

.skip-link{
  position:absolute; left:-999px; top:0;
  background:var(--amber); color:var(--bg);
  padding:.6rem 1rem; font-family:var(--font-mono); font-size:.85rem;
  z-index:200; border-radius:0 0 var(--radius-sm) 0;
}
.skip-link:focus{ left:0; }

@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior:auto; }
  *,*::before,*::after{ animation-duration:0.001ms !important; animation-iteration-count:1 !important; transition-duration:0.001ms !important; scroll-behavior:auto !important; }
}

/* ============================================================
   2. LAYOUT PRIMITIVES
   ============================================================ */
.container{ width:var(--container); margin-inline:auto; }
.section{ padding-block: clamp(4rem, 3rem + 5vw, 8rem); position:relative; }
.section--soft{ background:var(--bg-soft); border-top:1px solid var(--border); border-bottom:1px solid var(--border); }

.section-head{ max-width:46rem; margin-bottom: clamp(2.4rem, 2rem + 2vw, 4rem); }
.eyebrow{
  display:inline-flex; align-items:center; gap:.6rem;
  font-family:var(--font-mono); font-size:var(--fs-eyebrow);
  letter-spacing:.12em; text-transform:uppercase; color:var(--muted);
  margin-bottom:1rem;
}
.eyebrow .idx{ color:var(--amber); }
.eyebrow .rule{ width:2.4rem; height:1px; background:var(--border-strong); }

h2.section-title{
  font-family:var(--font-display); font-weight:500; font-size:var(--fs-h2);
  line-height:1.1; color:var(--paper);
}
h2.section-title em{ font-style:italic; color:var(--amber); font-weight:500; }
.section-sub{ margin-top:1rem; color:var(--paper-dim); font-size:var(--fs-lead); max-width:38rem; }

/* tag pill: shared BUILD / RESEARCH index marker */
.tag{
  display:inline-flex; align-items:center; gap:.4rem;
  font-family:var(--font-mono); font-size:.72rem; letter-spacing:.08em;
  text-transform:uppercase; padding:.3rem .55rem; border-radius:3px;
  border:1px solid var(--border-strong);
}
.tag::before{ content:''; width:6px; height:6px; border-radius:50%; }
.tag--build{ color:var(--amber); background:var(--amber-soft); border-color:rgba(232,149,74,.35); }
.tag--build::before{ background:var(--amber); }
.tag--research{ color:var(--teal); background:var(--teal-soft); border-color:rgba(79,184,172,.35); }
.tag--research::before{ background:var(--teal); }

.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:.5rem;
  font-family:var(--font-mono); font-size:.85rem; letter-spacing:.03em;
  padding:.85rem 2.4rem; border-radius:var(--radius-sm); transition:transform .25s var(--ease), background .25s, border-color .25s;
  white-space:nowrap;
}
.btn:active{ transform:translateY(1px); }
.btn--primary{ background:var(--amber); color:#1A0E03; font-weight:600; }
.btn--primary:hover{ background:#f0a662; }
.btn--ghost{ border:1px solid var(--border-strong); color:var(--paper); }
.btn--ghost:hover{ border-color:var(--amber); color:var(--amber); }

/* progressive-enhancement reveal: visible-by-default, JS opts in to animate */
.has-js [data-reveal]{
  opacity:0; transform:translateY(28px);
  transition:opacity var(--dur) var(--ease), transform var(--dur) var(--ease);
}
.has-js [data-reveal].is-visible{ opacity:1; transform:none; }
.has-js [data-reveal-group] > *{ transition-delay:calc(var(--i, 0) * 90ms); }

/* ============================================================
   3. HEADER / NAV
   ============================================================ */
.site-header{
  position:fixed; inset:0 0 auto 0; z-index:100;
  border-bottom:1px solid transparent;
  transition:background .35s var(--ease), border-color .35s var(--ease), backdrop-filter .35s;
}
.site-header.is-scrolled{
  background:rgba(11,14,19,0.82);
  backdrop-filter:blur(10px) saturate(120%);
  border-bottom-color:var(--border);
}
.nav-row{
  display:flex; align-items:center; justify-content:space-between;
  padding-block:1.1rem;
}
.brand{
  font-family:var(--font-mono); font-weight:600; font-size:1rem; letter-spacing:.02em;
  display:flex; align-items:center; gap:.5rem;
}
.brand .dot{ width:7px; height:7px; border-radius:50%; background:var(--amber); box-shadow:0 0 0 3px var(--amber-soft); }
.brand small{ color:var(--muted); font-weight:400; }

.nav-disclosure{ position:relative; }
.nav-disclosure summary{
  list-style:none; cursor:pointer; display:flex; align-items:center; gap:.6rem;
  font-family:var(--font-mono); font-size:.85rem;
}
.nav-disclosure summary::-webkit-details-marker{ display:none; }
.nav-disclosure summary::marker{ content:''; }

.hamburger{ width:22px; height:16px; position:relative; flex-shrink:0; }
.hamburger span{
  position:absolute; left:0; width:100%; height:2px; background:var(--paper);
  transition:transform .3s var(--ease), opacity .3s var(--ease), top .3s var(--ease);
}
.hamburger span:nth-child(1){ top:0; }
.hamburger span:nth-child(2){ top:7px; }
.hamburger span:nth-child(3){ top:14px; }
.nav-disclosure[open] .hamburger span:nth-child(1){ top:7px; transform:rotate(45deg); }
.nav-disclosure[open] .hamburger span:nth-child(2){ opacity:0; }
.nav-disclosure[open] .hamburger span:nth-child(3){ top:7px; transform:rotate(-45deg); }
.menu-label{ display:none; }

.nav-panel{
  position:fixed; inset:4.2rem 0 0 0;
  background:var(--bg); overflow-x:auto;
  display:flex; flex-direction:column; gap:.25rem; padding:1.4rem;
  z-index: auto;height:calc(100vh - 5.2rem); 
}
.nav-panel a{
  font-family:var(--font-display); font-size:1.6rem; font-weight:500;
  padding:.7rem .2rem; border-bottom:1px solid var(--border);
  display:flex; align-items:baseline; gap:.8rem; color:var(--paper-dim);
  transition:color .2s, padding-left .2s;
}
.nav-panel a .num{ font-family:var(--font-mono); font-size:.75rem; color:var(--muted); }
.nav-panel a:hover, .nav-panel a.is-active{ color:var(--paper); padding-left:.6rem; }
.nav-panel a.is-active .num{ color:var(--amber); }
.nav-cta{ margin-top:1rem; }

body.nav-open{ overflow:hidden; }

@media (min-width:900px){
  .menu-label{ display:inline; }
  .nav-disclosure{ display:none; } /* desktop uses inline nav instead */
  .nav-row{ gap:2rem; }
  .nav-inline{
    display:flex; align-items:center; gap:1.8rem;
    font-family:var(--font-mono); font-size:.82rem; color:var(--paper-dim);
  }
  .nav-inline a{ position:relative; padding-block:.3rem; transition:color .2s; }
  .nav-inline a::after{
    content:''; position:absolute; left:0; right:100%; bottom:0; height:1px; background:var(--amber);
    transition:right .25s var(--ease);
  }
  .nav-inline a:hover, .nav-inline a.is-active{ color:var(--paper); }
  .nav-inline a:hover::after, .nav-inline a.is-active::after{ right:0; }
  .nav-actions{ display:flex; align-items:center; gap:1.2rem; }
}
@media (max-width:899px){
  .nav-inline{ display:none; }
  .nav-actions .btn--primary{ display:none; }
}

/* ============================================================
   4. INDEX RAIL (signature element, wide screens)
   ============================================================ */
.index-rail{
  position:fixed; right:1.4rem; top:50%; transform:translateY(-50%);
  z-index:90; display:none; flex-direction:column; gap:1.1rem;
  font-family:var(--font-mono); font-size:.7rem; color:var(--muted);
}
.index-rail a{ display:flex; align-items:center; justify-content:flex-end; gap:.6rem; }
.index-rail .lbl{
  opacity:0; transform:translateX(6px); transition:opacity .2s, transform .2s;
  letter-spacing:.06em; text-transform:uppercase; white-space:nowrap;
}
.index-rail a:hover .lbl, .index-rail a:focus-visible .lbl{ opacity:1; transform:none; }
.index-rail .num{
  width:1.6rem; text-align:right; padding-bottom:2px; border-bottom:1px solid var(--border-strong);
  transition:color .2s, border-color .2s;
}
.index-rail a:hover .num, .index-rail a.is-active .num{ color:var(--amber); border-color:var(--amber); }
@media (min-width:1280px){ .index-rail{ display:flex; } }

/* ============================================================
   5. HERO
   ============================================================ */
.hero{
  position:relative; padding-top:clamp(7rem, 6rem + 4vw, 10rem);
  padding-bottom:clamp(3rem, 2rem + 4vw, 5rem);
  overflow:hidden;
}
.hero::before{
  content:''; position:absolute; top:-20%; right:-10%; width:60%; height:70%;
  background:radial-gradient(circle, rgba(232,149,74,0.10), transparent 65%);
  pointer-events:none;
}
.hero::after{
  content:''; position:absolute; bottom:-30%; left:-10%; width:55%; height:70%;
  background:radial-gradient(circle, rgba(79,184,172,0.08), transparent 65%);
  pointer-events:none;
}
.hero-grid{ position:relative; display:grid; gap:2.6rem; }
.hero-kicker{
  display:flex; align-items:center; gap:.7rem; font-family:var(--font-mono);
  font-size:var(--fs-eyebrow); color:var(--muted); letter-spacing:.1em; text-transform:uppercase;
  margin-bottom:1.4rem;
}
.hero-kicker .pulse{ width:7px; height:7px; border-radius:50%; background:var(--teal); position:relative; }
.hero-kicker .pulse::after{
  content:''; position:absolute; inset:-5px; border-radius:50%; border:1px solid var(--teal);
  animation:pulse 2.4s ease-out infinite;
}
@keyframes pulse{ 0%{ transform:scale(.5); opacity:1; } 100%{ transform:scale(1.8); opacity:0; } }

.hero h1{
  font-family:var(--font-display); font-weight:500; font-size:var(--fs-h1);
  line-height:1.04; letter-spacing:-0.01em; color:var(--paper);
}
.hero h1 em{ font-style:italic; color:var(--amber); }
.hero h1 .cursor{
  display:inline-block; width:.08em; height:.78em; background:var(--teal);
  margin-left:.12em; vertical-align:-0.05em; animation:blink 1.1s step-end infinite;
}
@media (prefers-reduced-motion: reduce){ .hero h1 .cursor{ animation:none; } }
@keyframes blink{ 50%{ opacity:0; } }

.hero-lead{ margin-top:1.6rem; font-size:var(--fs-lead); color:var(--paper-dim); max-width:36rem; }
.hero-actions{ margin-top:2.2rem; display:flex; flex-wrap:wrap; gap:1rem; align-items:center; }
.hero-meta{
  margin-top:1.6rem; font-family:var(--font-mono); font-size:.8rem; color:var(--muted);
  display:flex; flex-wrap:wrap; gap:1.4rem;
}
.hero-meta span{ display:flex; align-items:center; gap:.5rem; }
.hero-meta .dot-amber, .hero-meta .dot-teal{ width:6px; height:6px; border-radius:50%; }
.hero-meta .dot-amber{ background:var(--amber); }
.hero-meta .dot-teal{ background:var(--teal); }

/* stat / readout panel */
.readout{
  border:1px solid var(--border); border-radius:var(--radius-lg);
  background:linear-gradient(180deg, var(--surface), var(--bg-soft));
  padding:1.6rem; display:grid; grid-template-columns:repeat(2,1fr); gap:1.4rem;
}
.readout-head{
  grid-column:1/-1; display:flex; justify-content:space-between; align-items:center;
  font-family:var(--font-mono); font-size:.72rem; color:var(--muted); letter-spacing:.08em;
  text-transform:uppercase; padding-bottom:1rem; border-bottom:1px solid var(--border);
}
.readout-head .live{ display:flex; align-items:center; gap:.4rem; color:var(--teal); }
.readout-head .live .pulse{ width:6px; height:6px; border-radius:50%; background:var(--teal); }
.stat{ display:flex; flex-direction:column; gap:.3rem; }
.stat .num{
  font-family:var(--font-display); font-size:clamp(1.8rem,1.5rem + 1.4vw,2.6rem);
  font-weight:500; color:var(--paper);
}
.stat.is-build .num{ color:var(--amber); }
.stat.is-research .num{ color:var(--teal); }
.stat .lbl{ font-family:var(--font-mono); font-size:.72rem; color:var(--muted); letter-spacing:.04em; text-transform:uppercase; }

@media (min-width:900px){
  .hero-grid{ grid-template-columns:1.15fr 0.85fr; align-items:center; gap:3rem; }
}

/* ============================================================
   6. ABOUT
   ============================================================ */
.about-grid{ display:grid; gap:2.6rem; align-items:start; }
.about-portrait{
  position:relative; border-radius:var(--radius-lg); overflow:hidden;
  border:1px solid var(--border); background:var(--surface);
  aspect-ratio:4/6; max-width:360px;
}
.about-portrait img{ width:100%; height:100%; object-fit:cover; }
.about-portrait .frame-tag{
  position:absolute; bottom:.9rem; left:.9rem; font-family:var(--font-mono);
  font-size:.68rem; letter-spacing:.08em; text-transform:uppercase; color:var(--paper);
  background:rgba(11,14,19,0.7); border:1px solid var(--border-strong);
  padding:.3rem .55rem; border-radius:3px; backdrop-filter:blur(4px);
}
.about-body p{ color:var(--paper-dim); }
.about-body p + p{ margin-top:1.1rem; }
.about-facts{
  margin-top:2rem; display:grid; gap:.9rem; grid-template-columns:repeat(2,1fr);
  font-family:var(--font-mono); font-size:.82rem;
}
.about-facts dt{ color:var(--muted); font-size:.72rem; text-transform:uppercase; letter-spacing:.06em; }
.about-facts dd{ margin:.25rem 0 0; color:var(--paper); }
.about-facts div{ border-top:1px solid var(--border); padding-top:.7rem; }

@media (min-width:900px){
  .about-grid{ grid-template-columns:320px 1fr; gap:3.4rem; }
}

/* ============================================================
   7. SKILLS
   ============================================================ */
.skills-columns{ display:grid; gap:2.6rem; }
.skill-col-head{ display:flex; align-items:center; justify-content:space-between; margin-bottom:1.4rem; }
.skill-col-head h3{ font-family:var(--font-display); font-size:var(--fs-h3); font-weight:500; }
.skill-list{ display:flex; flex-direction:column; gap:1.1rem; }
.skill-row{ display:grid; grid-template-columns:1fr auto; gap:.6rem .9rem; align-items:center; }
.skill-row .name{ font-size:.92rem; color:var(--paper); }
.skill-row .pct{ font-family:var(--font-mono); font-size:.78rem; color:var(--muted); }
.skill-bar{ grid-column:1/-1; height:4px; background:var(--surface-2); border-radius:2px; overflow:hidden; }
.skill-bar i{ display:block; height:100%; width:0; border-radius:2px; transition:width 1.1s var(--ease); }
.is-build .skill-bar i{ background:linear-gradient(90deg, rgba(232,149,74,.5), var(--amber)); }
.is-research .skill-bar i{ background:linear-gradient(90deg, rgba(79,184,172,.5), var(--teal)); }
.has-js .skill-bar i{ width:0 !important; }
.has-js .skill-bar.in-view i{ width:var(--w); }

@media (min-width:900px){
  .skills-columns{ grid-template-columns:1fr 1fr; gap:4rem; }
}

/* ============================================================
   8. SERVICES
   ============================================================ */
.services-grid{ display:grid; gap:1.2rem; grid-template-columns:1fr; }
.service-card{
  border:1px solid var(--border); border-radius:var(--radius-md); padding:1.6rem;
  background:var(--surface); transition:transform .3s var(--ease), border-color .3s;
}
.service-card:hover{ transform:translateY(-4px); border-color:var(--border-strong); }
.service-card .icon{ width:34px; height:34px; margin-bottom:1.1rem; }
.service-card .icon svg{ width:100%; height:100%; }
.service-card.is-build .icon svg{ stroke:var(--amber); }
.service-card.is-research .icon svg{ stroke:var(--teal); }
.service-card h3{ font-family:var(--font-display); font-size:1.25rem; font-weight:500; margin-bottom:.5rem; }
.service-card p{ color:var(--paper-dim); font-size:.92rem; }
.service-card .tag{ margin-top:1.1rem; }

@media (min-width:680px){ .services-grid{ grid-template-columns:repeat(2,1fr); } }
@media (min-width:1100px){ .services-grid{ grid-template-columns:repeat(3,1fr); } }

/* ============================================================
   9. PROJECTS
   ============================================================ */
.filter-bar{ display:flex; flex-wrap:wrap; gap:.6rem; margin-bottom:2.2rem; }
.filter-btn{
  font-family:var(--font-mono); font-size:.78rem; letter-spacing:.04em;
  padding:.55rem 1rem; border:1px solid var(--border-strong); border-radius:999px;
  color:var(--muted); transition:color .2s, border-color .2s, background .2s;
}
.filter-btn:hover{ color:var(--paper); }
.filter-btn.is-active{ color:var(--bg); background:var(--paper); border-color:var(--paper); }

.projects-grid{ display:grid; gap:1.4rem; grid-template-columns:1fr; }
.project-card{
  border:1px solid var(--border); border-radius:var(--radius-md); overflow:hidden;
  background:var(--surface);
  transition:opacity .3s var(--ease), transform .3s var(--ease), border-color .3s;
}
.project-card:hover{ border-color:var(--border-strong); }
.project-card.is-hidden{ opacity:0; transform:scale(.97); }
.project-cover{
  height:15rem; position:relative; display:flex;
  align-items:flex-end; padding:1rem;
  background:
    repeating-linear-gradient(135deg, rgba(255,255,255,0.03) 0 2px, transparent 2px 14px);
}
.project-cover::before{ content:''; position:absolute; inset:0; opacity:.7; }
.proj-1 .project-cover, .proj-1 .project-cover::before{ background-image: url(./images/child-care.png);}
.proj-2 .project-cover, .proj-2 .project-cover::before{ background-image: url(./images/Nirex-blog.png);}
.proj-3 .project-cover, .proj-3 .project-cover::before{ background-image:linear-gradient(160deg, rgba(232,149,74,.18), rgba(79,184,172,.12)); }
.proj-4 .project-cover, .proj-4 .project-cover::before{ background-image: linear-gradient(160deg, rgba(79,184,172,.22), rgba(11,14,19,0)); }
.project-cover .idx{ font-family:var(--font-mono); font-size:.75rem; color:var(--paper-dim); position:relative; z-index:1;background-color: #161b23d2;padding: 5px 10px; }

/*============================= Project body styling======================= */
.project-body{ padding:1.4rem; }
.project-body h3{ font-family:var(--font-display); font-size:1.3rem; font-weight:500; margin-bottom:.5rem; }
.project-body p{ color:var(--paper-dim); font-size:.92rem; margin-bottom:1rem; }
.project-tags{ display:flex; flex-wrap:wrap; gap:.5rem; margin-bottom:1.1rem; }
.chip{
  font-family:var(--font-mono); font-size:.7rem; color:var(--muted);
  border:1px solid var(--border); padding:.25rem .5rem; border-radius:3px;
}
.project-links{ display:flex; gap:1.1rem; font-family:var(--font-mono); font-size:.8rem; }
.project-links a{ color:var(--paper-dim); border-bottom:1px solid transparent; transition:color .2s, border-color .2s; }
.project-links a:hover{ color:var(--amber); border-color:var(--amber); }

@media (min-width:680px){ .projects-grid{ grid-template-columns:repeat(2,1fr); } }
@media (min-width:1100px){ .projects-grid{ grid-template-columns:repeat(3,1fr); } }

/* ============================================================
   10. EXPERIENCE (timeline — order is genuinely chronological)
   ============================================================ */
.timeline{ position:relative; display:grid; gap:0; }
.timeline::before{
  content:''; position:absolute; left:5.4rem; top:0; bottom:0; width:1px; background:var(--border);
}
.tl-item{ position:relative; display:grid; grid-template-columns:5.4rem 1fr; gap:1.4rem; padding-block:1.8rem; border-top:1px solid var(--border); }
.tl-item:first-child{ border-top:none; }
.tl-year{ font-family:var(--font-mono); font-size:.82rem; color:var(--muted); padding-top:.2rem; }
.tl-dot{ position:absolute; left:5.4rem; top:2.1rem; width:9px; height:9px; border-radius:50%; background:var(--bg); border:2px solid var(--amber); transform:translateX(-50%); }
.tl-item.is-research .tl-dot{ border-color:var(--teal); }
.tl-role{ font-family:var(--font-display); font-size:1.3rem; font-weight:500; }
.tl-org{ color:var(--muted); font-size:.9rem; margin-top:.2rem; font-family:var(--font-mono); }
.tl-list{ margin-top:.9rem; display:grid; gap:.5rem; color:var(--paper-dim); font-size:.92rem; }
.tl-list li{ padding-left:1.1rem; position:relative; }
.tl-list li::before{ content:'—'; position:absolute; left:0; color:var(--muted); }

@media (min-width:700px){
  .tl-item{ grid-template-columns:7rem 1fr; }
  .timeline::before{ left:7rem; }
  .tl-dot{ left:7rem; }
}


/* ============================================================
   12. CONTACT
   ============================================================ */
.contact-grid{ display:grid; gap:2.6rem; }
.contact-info dl{ display:grid; gap:1.2rem; margin-top:1.8rem; }
.contact-info dt{ font-family:var(--font-mono); font-size:.72rem; color:var(--muted); text-transform:uppercase; letter-spacing:.06em; }
.contact-info dd{ margin:.3rem 0 0; font-size:1.05rem; }
.contact-info dd a:hover{ color:var(--amber); }
.social-row{ display:flex; gap:.9rem; margin-top:2rem; }
.social-row a{
  width:42px; height:42px; border:1px solid var(--border-strong); border-radius:50%;
  display:flex; align-items:center; justify-content:center; transition:border-color .2s, color .2s, transform .2s;
}
.social-row a:hover{ border-color:var(--teal); color:var(--teal); transform:translateY(-2px); }

.field{ margin-bottom:1.3rem; }
.field label{ display:block; font-family:var(--font-mono); font-size:.78rem; color:var(--muted); text-transform:uppercase; letter-spacing:.05em; margin-bottom:.5rem; }
.field input, .field textarea{
  width:100%; background:var(--surface); border:1px solid var(--border-strong); border-radius:var(--radius-sm);
  padding:.85rem 1rem; color:var(--paper); transition:border-color .2s, background .2s;
}
.field input:focus, .field textarea:focus{ border-color:var(--amber); background:var(--surface-2); outline:none; }
.field textarea{ min-height:9rem; resize:vertical; }
.field .err{ display:none; color:var(--danger); font-size:.78rem; margin-top:.4rem; font-family:var(--font-mono); }
.field.has-error input, .field.has-error textarea{ border-color:var(--danger); }
.field.has-error .err{ display:block; }
.form-status{ font-family:var(--font-mono); font-size:.85rem; margin-top:1rem; min-height:1.2em; }
.form-status.is-success{ color:var(--teal); }
.form-status.is-error{ color:var(--danger); }
.contact-form .btn{ width:100%; margin-top:.4rem; }
.contact-form .btn[disabled]{ opacity:.6; cursor:wait; }

@media (min-width:900px){ .contact-grid{ grid-template-columns:0.85fr 1.15fr; gap:4rem; } }

/* ============================================================
   13. FOOTER
   ============================================================ */
.site-footer{ border-top:1px solid var(--border); padding-block:2.2rem; }
.footer-row{
  display:flex; flex-direction:column; gap:1rem; align-items:flex-start;
  font-family:var(--font-mono); font-size:.78rem; color:var(--muted);
}
.footer-row a:hover{ color:var(--amber); }
.back-to-top{ display:flex; align-items:center; gap:.4rem; }

@media (min-width:700px){
  .footer-row{ flex-direction:row; justify-content:space-between; align-items:center; }
}


script{
  height: 300px;width: 200px;
}