/* ============================================================================
   coldqubit.org · surface styles
   ----------------------------------------------------------------------------
   Page-level layout for the coldqubit project-home surface (cyan-forward).
   Tokens and canonical component classes come from styles.css (fonts +
   colors_and_type + components); nothing here re-implements them.
   ============================================================================ */

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
html, body { margin: 0; background: var(--bg); color: var(--text); font-family: var(--font-sans); -webkit-font-smoothing: antialiased; }
a { color: inherit; text-decoration: none; }
/* anchor-nav targets clear the sticky topnav */
:is(.section, .panel)[id] { scroll-margin-top: 80px; }
.wrap { max-width: 1180px; margin: 0 auto; padding: 0 40px; }

/* kicker: canonical (components.css), wider tick on this surface */
.kicker { gap: 12px; }
.kicker .tick { width: 26px; }

/* top nav: canonical .topnav (components.css); height bump on this surface */
.topnav-inner { height: 68px; }

.gh-link { display: inline-flex; align-items: center; gap: 8px; font-family: var(--font-mono); font-size: 14px; color: var(--text-secondary); }
.gh-link:hover { color: var(--text); }
.gh-link svg { width: 17px; height: 17px; }

/* hero */
.hero { position: relative; overflow: hidden; border-bottom: 1px solid var(--line); }
.hero .lattice { position: absolute; inset: 0; background-image: var(--dot-grid); background-size: var(--dot-size) var(--dot-size); -webkit-mask-image: radial-gradient(120% 130% at 92% -10%, #000 0%, transparent 60%); mask-image: radial-gradient(120% 130% at 92% -10%, #000 0%, transparent 60%); }
.hero .glow { position: absolute; top: -240px; right: -160px; width: 680px; height: 680px; background: radial-gradient(circle, var(--cyan-glow) 0%, transparent 62%); pointer-events: none; }
/* .hero-inner shares its element with .wrap; keep the 40px side padding */
.hero-inner { position: relative; padding: 64px 40px 54px; }
.hero h1 { font: var(--text-display); font-family: var(--font-display); letter-spacing: -0.04em; margin: 18px 0 0; }
.hero .tagline { font: var(--text-lead); color: var(--fg-2); margin: 16px 0 0; max-width: 46ch; text-wrap: balance; }
.hero .tagline .c { color: var(--cyan-300); }

/* stat row */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin-top: 38px; }
.stat { background: var(--bg-elevated); border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 18px 20px; }
.stat .l { font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--fg-4); }
.stat .v { font-family: var(--font-display); font-weight: 600; font-size: 30px; color: var(--fg-1); margin-top: 8px; letter-spacing: -0.02em; }
.stat .s { font-family: var(--font-mono); font-size: 12.5px; color: var(--fg-3); margin-top: 6px; }
.stat .v .tick { display: inline-block; width: 9px; height: 9px; border-radius: 2px; background: var(--cyan-400); margin-right: 9px; vertical-align: middle; }

/* section */
.section { padding: 56px 0; }
.section.alt { background: var(--bg-sunken); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.sec-head { margin-bottom: 26px; }
.sec-head h2 { font: var(--text-h2); font-family: var(--font-display); letter-spacing: -0.02em; margin: 12px 0 0; }
.sec-head p { font: var(--text-body); color: var(--fg-3); margin: 8px 0 0; max-width: 64ch; }

/* projects grid */
.projects { display: grid; grid-template-columns: 1.55fr 1fr; gap: 16px; }
.proj { background: var(--bg-elevated); border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 26px 26px 22px; display: flex; flex-direction: column; transition: border-color var(--dur) var(--ease-out), box-shadow var(--dur) var(--ease-out); }
.proj:hover { border-color: var(--ink-500); box-shadow: var(--shadow-md); }
.proj-top { display: flex; align-items: center; gap: 14px; }
.proj-top img { width: 46px; height: 46px; }
.proj-name { font: var(--text-h3); font-family: var(--font-display); color: var(--fg-1); letter-spacing: -0.01em; }
.proj-role { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--fg-4); margin-top: 3px; }
.proj-status { margin-left: auto; }
.proj-desc { font: var(--text-body-sm); color: var(--fg-2); margin: 18px 0 0; }

.row { display: flex; align-items: center; gap: 9px; flex-wrap: wrap; }
.field-label { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--fg-4); margin: 20px 0 10px; }

/* chips: canonical (components.css .chip.working/.alpha/.planned) */

.exit { font-family: var(--font-mono); font-size: 12.5px; color: var(--fg-3); margin-top: 18px; padding-top: 16px; border-top: 1px solid var(--line); }
.exit b { color: var(--fg-2); font-weight: 600; }
.exit .sep { color: var(--ink-400); margin: 0 8px; }

.proj-links { display: flex; gap: 10px; margin-top: 18px; }
/* .plink: canonical (components.css), reads the project accent */

/* planned project card */
.proj.planned-card { border-style: dashed; border-color: var(--ink-500); background: transparent; justify-content: center; align-items: flex-start; }
.planned-tile { width: 46px; height: 46px; border-radius: 13px; border: 1.5px dashed var(--ink-500); display: flex; align-items: center; justify-content: center; color: var(--fg-4); font-size: 26px; font-family: var(--font-display); }
.proj.planned-card .proj-name { color: var(--fg-3); }
.proj.planned-card .proj-desc { color: var(--fg-3); }

/* lower two-column */
.lower { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.panel { background: var(--bg-elevated); border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 28px; }
.panel h3 { font: var(--text-h4); font-family: var(--font-display); margin: 12px 0 0; color: var(--fg-1); }
.panel p { font: var(--text-body-sm); color: var(--fg-2); margin: 12px 0 0; }
.glist { list-style: none; margin: 18px 0 0; padding: 0; display: flex; flex-direction: column; gap: 12px; }
.glist li { display: flex; gap: 12px; font: var(--text-body-sm); color: var(--fg-2); }
.glist .arr { color: var(--cyan-400); font-family: var(--font-mono); flex-shrink: 0; }
.panel-links { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 22px; }

/* marks rows */
.mark-row { display: flex; align-items: center; gap: 14px; padding: 14px 0; border-top: 1px solid var(--line); }
.mark-row:first-of-type { margin-top: 18px; }
.mark-row img { width: 40px; height: 40px; }
.mark-row .mn { font-family: var(--font-display); font-size: 17px; color: var(--fg-1); }
.mark-row .md { font-family: var(--font-mono); font-size: 11.5px; color: var(--fg-3); margin-top: 2px; }
.mark-row .mr { margin-left: auto; font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.1em; text-transform: uppercase; }
.mr.cyan { color: var(--cyan-300); }
.mr.coral { color: var(--coral-300); }

/* footer */
.foot { border-top: 1px solid var(--line); }
.foot-inner { display: flex; align-items: center; gap: 16px; padding: 26px 0; flex-wrap: wrap; font-family: var(--font-mono); font-size: 13px; color: var(--fg-3); }
.foot-inner .right { margin-left: auto; display: flex; gap: 18px; flex-wrap: wrap; }
.foot-inner a:hover { color: var(--fg-1); }

/* 404 */
.nf { min-height: calc(100vh - 68px); display: flex; align-items: center; }
.nf .terminal-window { width: min(640px, 100%); margin: 0 auto; }
.nf .terminal-body { min-height: 0; }
.nf-actions { margin-top: 14px; }
.nf-actions a { font-family: var(--font-mono); font-size: 13.5px; color: var(--accent); }
.nf-actions a:hover { text-decoration: underline; }

/* grid children hold mono lines and chip rows: let them shrink */
.projects > *, .lower > *, .stats > * { min-width: 0; }

@media (max-width: 980px) {
  .stats { grid-template-columns: repeat(2, 1fr); }
  .projects, .lower { grid-template-columns: 1fr; }
}

/* mobile nav: never hide the links; they become a scrollable mono row */
@media (max-width: 980px) {
  .topnav-inner { flex-wrap: wrap; height: auto; padding-top: 12px; column-gap: 16px; }
  .topnav-brand { order: 1; }
  .gh-link { order: 2; margin-left: auto; }
  .topnav-links { order: 3; flex-basis: 100%; margin-left: 0; gap: 18px; font-size: 13px; padding: 10px 2px 12px; overflow-x: auto; -webkit-overflow-scrolling: touch; scrollbar-width: none; }
  .topnav-links::-webkit-scrollbar { display: none; }
  :is(.section, .panel)[id] { scroll-margin-top: 112px; }
}

@media (max-width: 640px) {
  .wrap { padding: 0 22px; }
  .hero-inner { padding-left: 22px; padding-right: 22px; padding-top: 46px; }
  .kicker { white-space: normal; }
  .section { padding: 44px 0; }
  .stats { grid-template-columns: 1fr 1fr; gap: 10px; }
  .stat { padding: 14px 16px; }
  .stat .v { font-size: 22px; }
  .panel { padding: 22px 20px; }
  .proj { padding: 20px 18px 18px; }
  .foot-inner .right { margin-left: 0; }
}