/* MeldCAD website — Ember theme, calm version */
@font-face { font-family: "Sora"; src: url("fonts/sora.woff") format("woff"); font-weight: 100 800; font-display: swap; }
@font-face { font-family: "IBM Plex Sans"; src: url("fonts/ibm-plex-sans.woff") format("woff"); font-weight: 100 700; font-display: swap; }
@font-face { font-family: "JetBrains Mono"; src: url("fonts/jetbrains-mono.woff") format("woff"); font-weight: 100 800; font-display: swap; }

:root {
  --bg: #0c0a19; --bg-2: #110e20; --line: #221d38; --line-2: #2f2850;
  --text: #ece8ff; --text-2: #bdb7da; --text-3: #9a94bb;
  --purple: #6d4aff; --purple-2: #a874ff; --orange: #ff8a3d; --orange-2: #ffb27a;
  --display: "Sora", system-ui, sans-serif; --body: "IBM Plex Sans", system-ui, sans-serif; --mono: "JetBrains Mono", ui-monospace, monospace;
  color-scheme: dark;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
body { margin: 0; background: var(--bg); color: var(--text); font: 16px/1.6 var(--body); overflow-x: hidden; }
a { color: var(--purple-2); }
a:hover { color: var(--orange-2); }
:focus-visible { outline: 2px solid var(--orange-2); outline-offset: 3px; border-radius: 6px; }
.wrap { max-width: 1120px; margin: 0 auto; padding: 0 24px; }
.narrow { max-width: 640px; }
.muted { color: var(--text-3); }
.fine { color: var(--text-3); font-size: 14px; margin: 0; }
.skip { position: absolute; left: 16px; top: -60px; z-index: 20; background: var(--orange-2); color: #1a0f08; padding: 10px 16px; border-radius: 10px; font-weight: 600; text-decoration: none; }
.skip:focus { top: 12px; }
[hidden] { display: none !important; }

/* beta strip: one quiet line */
.beta-strip { margin: 0; padding: 7px 24px; text-align: center; font-size: 13.5px; color: var(--text-2); background: #15102a; border-bottom: 1px solid var(--line); }
.beta-tag { font: 600 11px/1 var(--mono); letter-spacing: .08em; text-transform: uppercase; color: var(--orange-2); margin-right: 6px; }

/* header */
.site-header { position: sticky; top: 0; z-index: 10; background: rgba(12, 10, 25, .9); backdrop-filter: blur(10px); border-bottom: 1px solid var(--line); }
.bar { display: flex; align-items: center; gap: 24px; height: 64px; }
.brand { display: flex; align-items: center; gap: 9px; text-decoration: none; color: var(--text); }
.brand:hover { color: var(--text); }
.wordmark { font: 700 19px/1 var(--display); letter-spacing: -.02em; }
.wordmark span { color: var(--orange); }
.nav { margin-left: auto; display: flex; align-items: center; gap: 28px; font-size: 15px; }
.nav a:not(.btn) { color: var(--text-2); text-decoration: none; }
.nav a:not(.btn):hover { color: var(--text); }
.bar-right { display: flex; align-items: center; gap: 8px; }

/* language picker: small, top right */
.lang { position: relative; }
.lang summary { list-style: none; display: flex; align-items: center; gap: 6px; min-height: 36px; padding: 0 10px; border: 1px solid var(--line-2); border-radius: 8px; color: var(--text-2); font: 600 12.5px/1 var(--body); letter-spacing: .04em; cursor: pointer; }
.lang summary::-webkit-details-marker { display: none; }
.lang summary:hover, .lang[open] summary { color: var(--text); border-color: var(--purple-2); }
.lang-menu { position: absolute; right: 0; top: calc(100% + 6px); min-width: 150px; padding: 6px; background: #17132c; border: 1px solid var(--line-2); border-radius: 10px; box-shadow: 0 16px 40px -12px #000; display: flex; flex-direction: column; }
.lang-menu button { text-align: left; min-height: 40px; padding: 0 12px; border: 0; border-radius: 6px; background: none; color: var(--text-2); font: 15px var(--body); cursor: pointer; }
.lang-menu button:hover { background: #221c3f; color: var(--text); }
.lang-menu button[aria-checked="true"] { color: var(--text); }
.lang-menu button[aria-checked="true"]::after { content: " ✓"; color: var(--orange-2); }

.menu-btn { display: none; width: 40px; height: 40px; border: 1px solid var(--line-2); border-radius: 8px; background: none; cursor: pointer; padding: 0; flex-direction: column; align-items: center; justify-content: center; gap: 4px; }
.menu-btn span { display: block; width: 16px; height: 1.5px; background: var(--text-2); }

/* buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; min-height: 48px; padding: 0 22px; border-radius: 10px; font: 600 16px/1 var(--body); text-decoration: none; cursor: pointer; border: 0; }
.btn-primary { color: #fff; background: var(--purple); }
.btn-primary:hover { color: #fff; background: #7b5bff; }
.btn-ghost { color: var(--text); border: 1px solid var(--line-2); font-weight: 500; }
.btn-ghost:hover { color: var(--text); border-color: var(--purple-2); }
.btn-sm { min-height: 40px; padding: 0 16px; font-size: 14.5px; }
.text-link { color: var(--text-2); text-decoration: none; font-weight: 500; }
.text-link:hover { color: var(--text); }

/* hero */
.hero { padding: 96px 0 0; text-align: center; background: radial-gradient(700px 300px at 50% 100%, rgba(255, 138, 61, .10), transparent 70%); }
.eyebrow { margin: 0 0 18px; font: 500 13px/1.4 var(--mono); letter-spacing: .06em; color: var(--orange-2); }
h1 { margin: 0 auto; font: 800 clamp(2.4rem, 5.6vw, 4.2rem)/1.06 var(--display); letter-spacing: -.035em; max-width: 15ch; }
.grad { background: linear-gradient(90deg, #7d5cff, #a874ff 55%, #ff8a3d); -webkit-background-clip: text; background-clip: text; color: transparent; }
.lead { margin: 22px auto 0; max-width: 54ch; font-size: clamp(1.05rem, 1.5vw, 1.2rem); color: var(--text-2); }
.cta-row { margin-top: 32px; display: flex; flex-wrap: wrap; justify-content: center; align-items: center; gap: 14px 28px; }

.app-window { margin: 64px auto 0; max-width: 960px; border: 1px solid var(--line-2); border-bottom: 0; border-radius: 14px 14px 0 0; background: #0f0c1f; overflow: hidden; text-align: left; }
.aw-bar { display: flex; align-items: center; gap: 7px; padding: 11px 14px; border-bottom: 1px solid var(--line); }
.aw-bar i { width: 10px; height: 10px; border-radius: 50%; background: #2a2447; }
.aw-file { margin-left: 10px; font: 12px var(--mono); color: var(--text-3); }
.aw-view { background: linear-gradient(180deg, #0c0a19, #100c1e 60%, #1a1120); }
.aw-view svg { display: block; width: 100%; height: auto; }
.aw-timeline { display: flex; gap: 8px; padding: 10px 14px; border-top: 1px solid var(--line); font: 12px var(--mono); color: var(--text-3); overflow: hidden; white-space: nowrap; }
.aw-timeline span { border: 1px solid var(--line-2); padding: 3px 9px; border-radius: 6px; }
.aw-timeline .now { color: var(--text); border-color: var(--purple); }

/* sections */
section { padding: 112px 0; }
section + section { border-top: 1px solid var(--line); }
h2 { margin: 0 0 16px; font: 700 clamp(1.8rem, 3.2vw, 2.4rem)/1.15 var(--display); letter-spacing: -.025em; }
h2.h3 { font-size: 20px; letter-spacing: -.01em; margin-bottom: 10px; }
section p { margin: 0 0 16px; color: var(--text-2); }

.why { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 48px; }
.why > div { border-top: 2px solid var(--purple); padding-top: 22px; }
.why > div:last-child { border-color: var(--orange); }
.why p { margin: 0; }

.inside { margin-top: 96px; }
.checks { list-style: none; margin: 8px 0 28px; padding: 0; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); column-gap: 48px; }
.checks li { padding: 13px 0 13px 28px; border-bottom: 1px solid var(--line); position: relative; color: var(--text); }
.checks li::before { content: ""; position: absolute; left: 2px; top: 21px; width: 10px; height: 6px; border-left: 2px solid var(--orange-2); border-bottom: 2px solid var(--orange-2); transform: rotate(-45deg); }

.band { background: var(--bg-2); }
.platforms { list-style: none; margin: 8px 0 0; padding: 0; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.platforms li { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 18px 20px; border: 1px solid var(--line-2); border-radius: 12px; font-weight: 500; }
.status { font-size: 13px; color: var(--text-3); white-space: nowrap; }
.status.on { color: #1a0f08; background: var(--orange-2); padding: 3px 10px; border-radius: 999px; font-weight: 600; }

.os-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 12px 16px; margin: 8px 0 24px; }

/* try-it demo */
.try-head { max-width: 640px; margin-bottom: 28px; }
.demo { border: 1px solid var(--line-2); border-radius: 14px; overflow: hidden; background: #0d0b1a; }
.demo-tools { display: flex; flex-wrap: wrap; align-items: center; gap: 6px; padding: 10px; border-bottom: 1px solid var(--line); background: #110e22; }
.tool { display: inline-flex; align-items: center; gap: 7px; min-height: 40px; padding: 0 12px; border: 1px solid var(--line-2); border-radius: 8px; background: none; color: var(--text); font: 500 14px var(--body); cursor: pointer; }
.tool:hover:not(:disabled) { border-color: var(--purple-2); }
.tool:disabled { opacity: .4; cursor: default; }
.tool svg { width: 18px; height: 18px; fill: none; stroke: var(--purple-2); stroke-width: 1.6; stroke-linejoin: round; }
.sep { width: 1px; height: 24px; background: var(--line-2); margin: 0 4px; }
.demo-stage { position: relative; aspect-ratio: 16 / 9; touch-action: none; }
.demo-stage canvas { display: block; width: 100%; height: 100%; cursor: grab; }
.demo-poster { position: absolute; inset: 0; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 14px; padding: 24px; text-align: center; background: radial-gradient(500px 220px at 50% 90%, rgba(255, 138, 61, .08), transparent 70%); }
.demo-poster svg { width: min(260px, 60%); height: auto; }
.demo-poster .err { color: #ffb3a6; margin: 0; }
.demo-foot { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 10px 20px; padding: 10px 12px; border-top: 1px solid var(--line); background: #110e22; }
.demo-size { display: flex; flex-wrap: wrap; align-items: flex-end; gap: 10px 14px; }
.demo-size label { display: flex; flex-direction: column; gap: 4px; font-size: 12.5px; color: var(--text-3); }
.stepper { display: flex; }
.stepper button { width: 36px; min-height: 40px; border: 1px solid var(--line-2); background: #17132c; color: var(--text); font: 600 16px var(--body); cursor: pointer; }
.stepper button:first-child { border-radius: 8px 0 0 8px; }
.stepper button:last-child { border-radius: 0 8px 8px 0; }
.stepper input { width: 58px; min-height: 40px; border: 1px solid var(--line-2); border-left: 0; border-right: 0; background: #0f0c1f; color: var(--text); font: 15px var(--mono); text-align: center; -moz-appearance: textfield; }
.stepper input::-webkit-outer-spin-button, .stepper input::-webkit-inner-spin-button { -webkit-appearance: none; margin: 0; }
.unit { font: 13px var(--mono); color: var(--text-3); padding-bottom: 11px; }
.tools-end { margin-left: auto; display: flex; gap: 6px; }
.demo-sel { width: 100%; display: flex; flex-wrap: wrap; align-items: flex-end; justify-content: space-between; gap: 12px 20px; }
.demo-actions { display: flex; flex-wrap: wrap; gap: 6px; }
.seg { display: inline-flex; border: 1px solid var(--line-2); border-radius: 8px; overflow: hidden; }
.seg button { min-height: 38px; padding: 0 12px; border: 0; background: none; color: var(--text-2); font: 500 14px var(--body); cursor: pointer; }
.seg button + button { border-left: 1px solid var(--line-2); }
.seg button[aria-pressed="true"] { background: #2a2150; color: var(--text); }
.demo-text input { width: 160px; min-height: 40px; padding: 0 10px; border: 1px solid var(--line-2); border-radius: 8px; background: #0f0c1f; color: var(--text); font: 15px var(--body); }
.demo-msg { width: 100%; margin: 0; min-height: 0; font-size: 13.5px; color: var(--orange-2); }
.demo-msg:empty { display: none; }
.demo-hint { margin: 0; font-size: 13px; color: var(--text-3); }
.demo-count { font-family: var(--mono); margin-left: 6px; }
.try-note { margin-top: 14px; }
@media (max-width: 800px) {
  .demo-stage { aspect-ratio: 4 / 5; }
  .tool span { font-size: 13px; }
  .tool { padding: 0 10px; }
  .tools-end { margin-left: 0; }
  .demo-text input { width: 100%; }
  .demo-text { flex-basis: 100%; }
}

/* beta sign-up */
.beta { background: radial-gradient(600px 260px at 50% 120%, rgba(109, 74, 255, .14), transparent 70%); }
.signup { margin-top: 28px; display: grid; gap: 14px; }
.signup label { display: flex; flex-direction: column; gap: 6px; font-size: 14px; color: var(--text-2); }
.signup input { min-height: 50px; padding: 0 16px; border-radius: 10px; border: 1px solid var(--line-2); background: #0f0c1f; color: var(--text); font: 16px var(--body); }
.signup input:focus { border-color: var(--purple-2); }
.signup .btn { margin-top: 4px; }
.signup .hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.form-msg { min-height: 1.6em; margin: 14px 0 8px; font-size: 15px; }
.form-msg.ok { color: #9ff0c3; }
.form-msg.err { color: #ffb3a6; }

/* footer */
.site-footer { border-top: 1px solid var(--line); }
.foot { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 8px 24px; padding-top: 28px; padding-bottom: 28px; font-size: 14px; color: var(--text-2); }
.foot .wordmark { font-size: 15px; }

/* 404 */
.notfound { min-height: 70vh; display: flex; flex-direction: column; align-items: center; justify-content: center; text-align: center; gap: 18px; padding: 80px 24px; }

/* phones and small tablets */
@media (max-width: 800px) {
  .menu-btn { display: inline-flex; }
  .nav { display: none; position: absolute; left: 0; right: 0; top: 64px; flex-direction: column; align-items: stretch; gap: 0; padding: 8px 24px 20px; background: #0f0c1f; border-bottom: 1px solid var(--line); }
  .nav.open { display: flex; }
  .nav a:not(.btn) { padding: 14px 0; border-bottom: 1px solid var(--line); font-size: 16px; }
  .nav .btn { margin-top: 16px; min-height: 48px; }
  .bar-right { margin-left: auto; }
  section { padding: 80px 0; }
  .hero { padding-top: 64px; }
  .why { grid-template-columns: 1fr; gap: 32px; }
  .inside { margin-top: 72px; }
  .checks { grid-template-columns: 1fr; }
  .platforms { grid-template-columns: 1fr; }
  .app-window { margin-top: 48px; }
}