/* Portfolio — Tesla-inspired design system
   Palette + type locked from tesla-DESIGN.md / tesla-tokens.json.
   One chromatic color (Electric Blue), one sans, two weights, no shadows/gradients/borders on cards. */

:root {
  --electric-blue: #3E6AE1;
  --electric-blue-hover: #3358c4;
  --white: #FFFFFF;
  --light-ash: #F4F4F4;
  --carbon-dark: #171A20;
  --graphite: #393C41;
  --pewter: #5C5E62;
  --silver-fog: #8E8E8E;
  --cloud-gray: #EEEEEE;
  --frost: rgba(255, 255, 255, 0.75);
  --t: 0.33s cubic-bezier(0.5, 0, 0, 0.75);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, Arial, sans-serif;
  font-weight: 400;
  color: var(--graphite);
  background: var(--white);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

h1, h2, h3, .nav-brand, .nav-link, .btn { font-weight: 500; color: var(--carbon-dark); letter-spacing: normal; }
h1 { font-size: clamp(1.9rem, 4vw, 2.5rem); line-height: 1.2; }
h2 { font-size: clamp(1.4rem, 3vw, 1.75rem); line-height: 1.25; }
h3 { font-size: 1.06rem; line-height: 1.2; }
p { margin-bottom: 1rem; }

a { color: inherit; text-decoration: none; }

/* ---------- Navigation: floating, borderless, frosts on scroll ---------- */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  display: flex; align-items: center; justify-content: space-between;
  padding: 1rem clamp(1.25rem, 4vw, 3rem);
  background: transparent;
  transition: background-color var(--t), backdrop-filter var(--t);
}
.nav.scrolled, .nav.solid {
  background: var(--frost);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}
.nav-brand { font-size: 1rem; letter-spacing: 0.18em; text-transform: uppercase; }
.nav-links { display: flex; gap: 0.25rem; list-style: none; }
.nav-link {
  font-size: 0.88rem; padding: 4px 16px; min-height: 32px;
  display: inline-flex; align-items: center; border-radius: 4px;
  transition: color var(--t), background-color var(--t);
}
.nav-link:hover, .nav-link[aria-current="page"] { background: rgba(23,26,32,0.06); }
.nav.on-dark .nav-brand, .nav.on-dark .nav-link { color: var(--white); }
.nav.on-dark.scrolled .nav-brand, .nav.on-dark.scrolled .nav-link { color: var(--carbon-dark); }
.nav.on-dark.scrolled .nav-link:hover { background: rgba(23,26,32,0.06); }

.nav-toggle { display: none; background: none; border: none; cursor: pointer; padding: 6px; }
.nav-toggle span { display: block; width: 22px; height: 2px; background: currentColor; margin: 4px 0; transition: background-color var(--t); color: var(--carbon-dark); }
.nav.on-dark .nav-toggle span { color: var(--white); }
.nav.on-dark.scrolled .nav-toggle span { color: var(--carbon-dark); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 0.88rem; min-height: 40px; padding: 4px 28px;
  border-radius: 4px; border: 3px solid transparent; cursor: pointer;
  transition: background-color var(--t), color var(--t), border-color var(--t), box-shadow 0.25s;
}
.btn-primary { background: var(--electric-blue); color: var(--white); }
.btn-primary:hover { background: var(--electric-blue-hover); }
.btn-primary:focus-visible { outline: none; box-shadow: 0 0 0 2px var(--white), 0 0 0 4px var(--electric-blue); }
.btn-secondary { background: var(--white); color: var(--graphite); }
.btn-secondary:hover { background: var(--light-ash); }
.btn-secondary:focus-visible { outline: none; box-shadow: 0 0 0 2px var(--carbon-dark); }
a.text-link { color: var(--pewter); transition: color var(--t); }
a.text-link:hover { color: var(--carbon-dark); text-decoration: underline; }

/* ---------- Section scaffolding: one message per screen ---------- */
.section {
  min-height: 100vh; display: flex; flex-direction: column;
  justify-content: center; padding: 7rem clamp(1.25rem, 6vw, 6rem) 5rem;
}
.section.alt { background: var(--light-ash); }
.section-narrow { max-width: 720px; margin: 0 auto; width: 100%; }
.eyebrow { font-size: 0.88rem; color: var(--pewter); text-transform: none; margin-bottom: 0.75rem; }

/* ---------- Hero ---------- */
.hero {
  min-height: 100vh; display: flex; flex-direction: column; justify-content: center;
  padding: 7rem clamp(1.25rem, 6vw, 6rem) 5rem;
  background: var(--carbon-dark); color: var(--white);
}
.hero h1 { color: var(--white); max-width: 16ch; }
.hero .lede { color: rgba(255,255,255,0.86); font-size: 1.06rem; max-width: 46ch; margin: 1.25rem 0 2rem; }
.hero-actions { display: flex; gap: 0.75rem; flex-wrap: wrap; }

/* ---------- Featured panels (homepage) ---------- */
.panel {
  min-height: 100vh; display: flex; align-items: flex-end;
  padding: clamp(2rem, 6vw, 5rem); color: var(--white); position: relative;
  /* Drop a full-bleed atmospheric image here:  background-image: url('images/first-meeting.jpg');  */
  background-color: var(--carbon-dark); background-size: cover; background-position: center;
}
.panel::after { content: ""; position: absolute; inset: 0; background: rgba(23,26,32,0.32); }
.panel .panel-inner { position: relative; z-index: 1; max-width: 40ch; }
.panel h2 { color: var(--white); }
.panel .panel-tag { font-size: 0.88rem; color: rgba(255,255,255,0.82); margin-bottom: 0.5rem; }
.panel .panel-setup { color: rgba(255,255,255,0.9); margin: 0.75rem 0 1.5rem; }

/* ---------- Piece index cards (list, no borders/shadows) ---------- */
.piece-list { display: grid; gap: 3.5rem; max-width: 760px; margin: 0 auto; width: 100%; }
.piece-item .piece-tag { font-size: 0.88rem; color: var(--pewter); margin-bottom: 0.4rem; }
.piece-item h3 { margin-bottom: 0.5rem; }
.piece-item h3 a { transition: color var(--t); }
.piece-item h3 a:hover { color: var(--electric-blue); }
.piece-item .piece-setup { color: var(--graphite); margin-bottom: 0.6rem; }
.content-note { font-size: 0.88rem; color: var(--pewter); margin: 0.5rem 0; }

/* ---------- Piece page ---------- */
.piece-head { padding: 8rem clamp(1.25rem, 6vw, 6rem) 2rem; max-width: 760px; margin: 0 auto; }
.piece-head .piece-tag { font-size: 0.88rem; color: var(--pewter); margin-bottom: 0.6rem; }
.piece-head .piece-setup { color: var(--graphite); font-size: 1.06rem; margin-top: 0.75rem; }
.piece-head .content-note { margin-top: 1rem; }
.piece-body { max-width: 680px; margin: 0 auto; padding: 1rem clamp(1.25rem, 6vw, 6rem) 5rem; }
.piece-body p { margin-bottom: 1.15rem; }
.prose p:first-of-type::first-letter { }

/* Screenplay formatting — single sans, structural only */
.screenplay { font-variant-numeric: tabular-nums; }
.screenplay .slug { font-weight: 500; color: var(--carbon-dark); text-transform: uppercase; letter-spacing: 0.02em; margin: 1.75rem 0 0.75rem; font-size: 0.95rem; }
.screenplay .action { margin-bottom: 1rem; color: var(--graphite); }
.screenplay .cue { margin: 1rem auto 0; max-width: 26rem; }
.screenplay .character { font-weight: 500; color: var(--carbon-dark); margin-left: 6rem; }
.screenplay .paren { color: var(--pewter); margin-left: 4.5rem; font-size: 0.95rem; }
.screenplay .line { margin: 0 3rem 0.9rem; }

/* Excerpt + read-more */
.full-text { display: none; }
.full-text.open { display: block; }
.reveal-wrap { margin: 2rem 0; }
.excerpt-fade { position: relative; }
.divider { height: 1px; background: var(--cloud-gray); border: 0; margin: 2.5rem 0; }

/* ---------- About ---------- */
.about-grid { display: grid; grid-template-columns: 220px 1fr; gap: 3rem; align-items: start; max-width: 820px; margin: 0 auto; width: 100%; }
.headshot { width: 220px; height: 260px; background: var(--light-ash); border-radius: 4px; position: relative; overflow: hidden; }
.headshot img { width: 100%; height: 100%; object-fit: cover; display: block; }
.headshot-fallback { position: absolute; inset: 0; display: none; align-items: center; justify-content: center; color: var(--silver-fog); font-size: 0.82rem; text-align: center; padding: 1rem; }
.about-body p { max-width: 60ch; }

/* ---------- Contact ---------- */
.contact a.mail { color: var(--electric-blue); transition: color var(--t); }
.contact a.mail:hover { color: var(--electric-blue-hover); text-decoration: underline; }

/* ---------- Footer ---------- */
.footer { padding: 2.5rem clamp(1.25rem, 6vw, 6rem); background: var(--white); color: var(--pewter); font-size: 0.82rem; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 1rem; border-top: 1px solid var(--cloud-gray); }
.footer a { transition: color var(--t); }
.footer a:hover { color: var(--carbon-dark); }

/* ---------- Responsive ---------- */
@media (max-width: 768px) {
  .nav-toggle { display: block; }
  .nav-links {
    position: absolute; top: 100%; right: clamp(1.25rem, 4vw, 3rem);
    flex-direction: column; gap: 0; background: var(--frost);
    backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
    border-radius: 4px; padding: 0.5rem; min-width: 180px; display: none;
  }
  .nav-links.open { display: flex; }
  .nav.on-dark .nav-links .nav-link { color: var(--carbon-dark); }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .hero-actions .btn { width: 100%; }
  .about-grid { grid-template-columns: 1fr; }
  .headshot { width: 100%; max-width: 240px; }
  .screenplay .character { margin-left: 3rem; }
  .screenplay .paren { margin-left: 2rem; }
  .screenplay .line { margin: 0 1rem 0.9rem; }
}

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; scroll-behavior: auto !important; }
}