/* ===========================================================
   Lumenous — lighting design for events & live shows
   Design tokens
   =========================================================== */

@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700&display=swap');

:root{
  --stage:   #0A0A0C;   /* deep stage black — primary background */
  --stage-2: #131316;   /* slightly raised black, for panels on stage */
  --paper:   #F3F0E8;   /* house-lights-up surface, warm off-white */
  --ink:     #17171A;   /* text on paper */
  --amber:   #E8A33D;   /* warm key-light gel */
  --steel:   #5D7FA6;   /* cool wash gel */
  --magenta: #A8456B;   /* single rare accent — used once */
  --ash:     #8E8E96;   /* secondary text on stage */
  --ash-dim: #57575E;   /* tertiary / hairlines on stage */
  --line-on-stage: rgba(243,240,232,0.12);
  --line-on-paper: rgba(23,23,26,0.12);

  --display: 'Outfit', -apple-system, sans-serif;
  --body: 'Outfit', -apple-system, sans-serif;

  --max-w: 1180px;
  --gutter: clamp(1.5rem, 5vw, 4rem);
}

*{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
body{
  margin:0;
  background: var(--stage);
  color: var(--paper);
  font-family: var(--body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img{ max-width:100%; display:block; }
a{ color: inherit; }

.wrap{
  max-width: var(--max-w);
  margin: 0 auto;
  padding-left: var(--gutter);
  padding-right: var(--gutter);
}

/* ---------- Typography ---------- */
h1,h2,h3{
  font-family: var(--display);
  font-weight: 300;
  line-height: 1.1;
  margin: 0;
  letter-spacing: 0.01em;
}
h1{ font-size: clamp(2.6rem, 6vw, 5.2rem); font-weight: 300; }
h2{ font-size: clamp(1.9rem, 3.6vw, 3rem); }
h3{ font-size: clamp(1.2rem, 2vw, 1.5rem); font-weight: 400; letter-spacing: 0.02em; }

p{ margin: 0 0 1rem 0; max-width: 60ch; }
p.lede{
  font-size: clamp(1.05rem, 1.6vw, 1.3rem);
  color: var(--ash);
  max-width: 46ch;
}

.on-paper p, .on-paper .lede{ color: rgba(23,23,26,0.68); }

/* ---------- Nav ---------- */
.site-nav{
  position: sticky; top:0; z-index: 50;
  background: rgba(10,10,12,0.86);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line-on-stage);
}
.site-nav .wrap{
  display:flex; align-items:center; justify-content:space-between;
  height: 76px;
}
.brand{
  text-decoration:none;
  color: var(--paper);
  display:flex; align-items:center; gap:0.6rem;
}
.brand-mark-icon{
  height: 24px;
  width: auto;
  display:block;
}
footer .brand-mark-icon{ height: 28px; }
.brand-text{
  font-family: var(--display);
  font-weight: 400;
  font-size: 1.3rem;
  letter-spacing: 0.03em;
  color: var(--paper);
}
.brand-text .amber{ color: var(--amber); }
.nav-links{
  display:flex; gap: clamp(1.2rem, 2.4vw, 2.4rem);
  list-style:none; margin:0; padding:0;
}
.nav-links a{
  text-decoration:none;
  color: var(--ash);
  font-size: 0.95rem;
  transition: color 0.2s ease;
}
.nav-links a:hover, .nav-links a.active{ color: var(--paper); }
.nav-links a.active{ color: var(--amber); }

.nav-toggle{ display:none; }

@media (max-width: 720px){
  .nav-links{
    position:fixed; inset: 76px 0 auto 0;
    background: var(--stage);
    flex-direction:column;
    padding: 1.5rem var(--gutter) 2rem;
    border-bottom: 1px solid var(--line-on-stage);
    transform: translateY(-8px);
    opacity:0; pointer-events:none;
    transition: opacity 0.2s ease, transform 0.2s ease;
  }
  .nav-links.open{ opacity:1; pointer-events:auto; transform: translateY(0); }
  .nav-toggle{
    display:flex; flex-direction:column; gap:5px;
    background:none; border:none; cursor:pointer; padding: 8px;
  }
  .nav-toggle span{ width:22px; height:1.5px; background: var(--paper); }
}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex; align-items:center; gap:0.5rem;
  padding: 0.85rem 1.6rem;
  border-radius: 3px;
  font-size: 0.95rem;
  font-weight: 500;
  text-decoration:none;
  border: 1px solid transparent;
  cursor:pointer;
  transition: background 0.2s ease, border-color 0.2s ease, color 0.2s ease;
}
.btn-primary{ background: var(--amber); color: #1A1206; }
.btn-primary:hover{ background:#f0b158; }
.btn-ghost{ border-color: var(--line-on-stage); color: var(--paper); background:transparent; }
.btn-ghost:hover{ border-color: var(--paper); }
.on-paper .btn-ghost{ border-color: var(--line-on-paper); color: var(--ink); }
.on-paper .btn-ghost:hover{ border-color: var(--ink); }

/* ---------- Layout helpers ---------- */
section{ padding: clamp(3.5rem, 8vw, 7rem) 0; }
.section-on-paper{ background: var(--paper); color: var(--ink); }
.eyebrow-num{
  font-family: var(--body);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--ash);
  font-size: 0.8rem;
  margin-bottom: 0.9rem;
  display:block;
}
.on-paper .eyebrow-num{ color: var(--ash-dim); }

/* ---------- Portfolio project headings ---------- */
.project-heading{
  display:flex;
  align-items:baseline;
  gap: clamp(1rem, 3vw, 2rem);
  margin-bottom: clamp(1.4rem, 3vw, 2rem);
}
.project-num{
  font-family: var(--display);
  font-weight: 300;
  font-size: clamp(1rem, 2vw, 1.4rem);
  color: var(--amber);
  letter-spacing: 0.04em;
  flex-shrink: 0;
}
.project-title{
  font-family: var(--display);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: -0.01em;
  font-size: clamp(2.1rem, 5vw, 3.6rem);
  line-height: 0.98;
  margin: 0;
}
.project-title .sub{
  display:block;
  font-weight: 300;
  text-transform: none;
  letter-spacing: 0.01em;
  font-size: 0.42em;
  margin-top: 0.5rem;
  color: var(--ash);
}
@media (max-width: 560px){
  .project-heading{ flex-direction:column; align-items:flex-start; gap:0.4rem; }
}
.hairline{ border:none; border-top:1px solid var(--line-on-stage); margin: 0; }
.on-paper .hairline{ border-top:1px solid var(--line-on-paper); }

.grid-2{ display:grid; grid-template-columns: 1.1fr 0.9fr; gap: clamp(2rem, 6vw, 5rem); align-items:start; }
@media (max-width: 860px){ .grid-2{ grid-template-columns: 1fr; } }

/* ---------- Footer ---------- */
footer{
  background: var(--stage-2);
  border-top: 1px solid var(--line-on-stage);
  padding: 3rem 0 2.2rem;
}
.footer-grid{
  display:flex; flex-wrap:wrap; justify-content:space-between; gap:2rem;
  margin-bottom: 2rem;
}
.footer-links{ list-style:none; margin:0; padding:0; display:flex; flex-direction:column; gap:0.6rem; }
.footer-links a{ text-decoration:none; color: var(--ash); font-size:0.92rem; }
.footer-links a:hover{ color: var(--paper); }
.footer-fine{ color: var(--ash-dim); font-size:0.82rem; display:flex; justify-content:space-between; flex-wrap:wrap; gap:0.5rem; }