/* /voice-agent/: κατεύθυνση Α «Μελάνι και χαρτί» (Φάση Β1). Φορτώνεται μετά το css/site.css. */
body { overflow-x: clip; }

/* ---- Hero ---- */
.page-hero { padding: 22px 0 30px; }
.page-hero-grid { container-type: inline-size; display: grid; gap: 22px; }
.page-n { font: 400 22px/1 var(--serif); color: var(--vermilion); font-variant-numeric: lining-nums; }
.page-hero h1 { margin: 0; font: 300 clamp(46px, 14vw, 104px)/.94 var(--serif); letter-spacing: -.035em; }  /* fallback με vw */
.page-hero h1 { font-size: clamp(46px, 16cqw, 104px); }
.page-hero h1::after { content: "."; color: var(--vermilion); }
.page-hero h1::after { content: "." / ""; }
.page-lead { margin: 0; max-width: 22em; font: 400 clamp(20px, 5.4vw, 28px)/1.3 var(--sans); color: var(--ink-2); }

/* Κάρτα demo (ο player κρατά το markup και τα ids του: το js/demo.js δεν αλλάζει) */
.demo { margin: 6px 0 0; padding: 18px 18px 12px; background: var(--paper-2); border: 1px solid var(--ink); border-radius: 6px; }
.demo-head { margin: 0 0 16px; }
.demo-title { margin: 0 0 4px; font: 400 24px/1.2 var(--serif); }
.demo-meta { margin: 0; font-size: 14px; color: var(--muted); }
.player { display: grid; grid-template-columns: 64px minmax(0, 1fr); align-items: center; gap: 14px; }
.play { width: 64px; height: 64px; padding: 0; border: 0; border-radius: 50%; background: var(--ink); cursor: pointer; display: grid; place-items: center; }
.play:hover { background: var(--ink-2); }
.play svg { width: 22px; height: 22px; fill: var(--paper); }
.play .i-pause, .demo.is-playing .play .i-play { display: none; }
.demo.is-playing .play .i-pause { display: block; }
.wave { height: 48px; display: flex; align-items: center; gap: 2px; cursor: pointer; touch-action: none; }
.wave span { flex: 1; min-width: 1px; border-radius: 2px; background: rgb(var(--ink-rgb) / .45); }  /* ≥3:1 σε paper-2 (3,06:1) */
.wave span.on { background: var(--ink); }
.demo-time { grid-column: 1 / -1; margin-top: -2px; font-size: 14px; color: var(--muted); font-variant-numeric: tabular-nums; white-space: nowrap; }
.live { margin-top: 16px; padding-top: 14px; border-top: 1px solid var(--line); min-height: 118px; }
.who { margin-bottom: 4px; font-size: 13px; font-weight: 600; color: var(--muted); }
.who.bot { color: var(--ink); }
.say { margin: 0; font: 400 17px/1.5 var(--serif); }
.say .w { opacity: .58; }  /* ≥4.5:1 σε paper-2 (μετρημένο 4.7:1) */
.say .w.on { opacity: 1; }
.demo-toggle { margin-top: 6px; padding: 6px 0; border: 0; background: none; color: var(--ink-2); font: 500 14px/1.2 var(--sans); cursor: pointer; text-decoration: underline; text-underline-offset: 3px; }
.demo-toggle:hover { color: var(--ink); }
.transcript { margin: 8px 0 4px; padding: 0; list-style: none; max-height: 280px; overflow: auto; border-top: 1px solid var(--line); }
.transcript[hidden] { display: none; }
.transcript li { display: grid; grid-template-columns: 1fr; gap: 2px; padding: 9px 0; border-bottom: 1px solid var(--line); font-size: 15px; line-height: 1.5; color: var(--muted); cursor: pointer; }
.transcript li:hover, .transcript li.cur { color: var(--ink); }
.transcript .n { padding-top: 2px; font-size: 13px; font-weight: 600; }

/* ---- Ενότητες ---- */
.voice-body > section { padding: 24px 0 28px; border-top: 1px solid var(--ink); margin: 0; }
.voice-body > section > * { min-width: 0; }
.sec-h { margin: 0 0 8px; font: 300 clamp(26px, 7vw, 32px)/1.1 var(--serif); letter-spacing: -.02em; }
.voice-body { font-size: 17px; line-height: 1.6; }
.voice-body p { margin: 0 0 14px; max-width: 42em; }
.voice-body h3 { margin: 0 0 8px; font: 500 15px/1.3 var(--sans); }
.svc-note, .wa-note { color: var(--muted); font-size: 15px; }
.fd-lead { font-size: 19px; }
.lead { font-size: 19px; }

/* Ζώνη ink: το «Τηλεφωνία στο cloud» είναι η ΜΟΝΗ σκούρα ζώνη της σελίδας (συνταγή: .ink-zone του site.css) */
#cloud { border-top: 0 !important; }

/* Λίστες και αρίθμηση */
.strip { margin: 0; padding: 0; list-style: none; counter-reset: s; max-width: none; border-top: 1px solid var(--ink); }
.strip li { display: flex; align-items: baseline; gap: 14px; margin: 0; padding: 8px 0; border-bottom: 1px solid var(--line); font: 400 clamp(19px, 5.2vw, 24px)/1.2 var(--serif); counter-increment: s; }
.strip li::before { content: counter(s, decimal-leading-zero); content: counter(s, decimal-leading-zero) / ""; flex: none; min-width: 30px; font: 400 18px/1 var(--serif); color: var(--vermilion); }

/* Αναδιπλούμενα */
.folds { margin-top: 12px; border-top: 1px solid var(--ink); }
.fold { border-bottom: 1px solid var(--line); }
.fold > summary { display: flex; align-items: center; justify-content: space-between; gap: 16px; min-height: 50px; padding: 10px 0; list-style: none; cursor: pointer; font: 400 clamp(19px, 5vw, 24px)/1.2 var(--serif); }
.fold > summary::-webkit-details-marker { display: none; }
.fold > summary::after { content: "+"; flex: none; display: grid; place-items: center; width: 36px; height: 36px; border: 1px solid var(--ink); border-radius: 50%; font: 400 22px/1 var(--sans); }
.fold[open] > summary::after { content: "\2013"; }
.fold-body { max-width: 42em; padding: 0 0 14px; }
.fold-body p { margin: 0 0 12px; }
.fold-body ul, .fold-body ol { margin: 0 0 12px; padding-left: 22px; }
.fold-body li { margin: 0 0 8px; }
#roi .fold-body { max-width: none; }

.human { max-width: 42em; margin: 24px 0 0; padding: 16px 20px; border: 1px solid var(--ink); border-radius: 6px; background: var(--paper-2); font-size: 15.5px; }
.human strong { font-weight: 600; }

/* Chips κατάστασης και λίστες */
.stage { display: inline-flex; align-items: center; gap: 7px; flex: none; padding: 5px 12px; border: 1px solid var(--vermilion); border-radius: 999px; font: 500 14px/1 var(--sans); white-space: nowrap; color: var(--vermilion-text); }
.stage::before { content: ""; flex: none; width: 8px; height: 8px; border-radius: 50%; background: var(--vermilion); }
.stage-proto::before { background: transparent; border: 1px solid var(--vermilion); }
.apps { margin: 0 0 12px; padding: 0; list-style: none; max-width: 42em; border-top: 1px solid var(--ink); }
.apps li { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 9px 0; border-bottom: 1px solid var(--line); font: 400 18px/1.25 var(--serif); }
.sector { color: var(--muted); font-size: 14.5px; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; margin: 0 0 12px; padding: 0; list-style: none; }
.chips li { margin: 0; padding: 7px 14px; border: 1px solid var(--field-border); border-radius: 999px; font-size: 15px; }
.link-row { display: flex; flex-wrap: wrap; gap: 12px; margin: 18px 0 0; }
.btn-out { display: inline-flex; align-items: center; gap: 10px; min-height: 48px; padding: 8px 22px; border: 1px solid var(--ink); border-radius: 999px; background: transparent; color: var(--ink); font: 500 15px/1.3 var(--sans); cursor: pointer; }
.btn-out:hover { background: var(--ink); color: var(--paper); }
.case-listen .tri { width: 0; height: 0; border-left: 8px solid currentColor; border-top: 5px solid transparent; border-bottom: 5px solid transparent; }
.case-listen[aria-pressed="true"] .tri { width: 8px; height: 10px; border: 0; border-left: 3px solid currentColor; border-right: 3px solid currentColor; }

/* Ενδεικτικές εφαρμογές: οι περιπτώσεις γίνονται κάρτες */
.cards { display: grid; gap: 12px; border-top: 0; margin-top: 18px; }
.cards .fold { padding: 0 20px; border: 1px solid var(--ink); border-radius: 6px; background: var(--paper-2); }
.cards .fold > summary { padding: 12px 0; font-size: clamp(18px, 4.8vw, 22px); }
.cards .fold > summary > span:first-child { flex: 1; min-width: 0; }

/* Ποιος απαντά πρώτος */
.matrix { display: grid; gap: 0; margin: 16px 0 0; counter-reset: m; }
.matrix .col { position: relative; padding: 10px 0 10px 44px; border-top: 1px solid var(--ink); counter-increment: m; }
.matrix .col::before { content: counter(m, decimal-leading-zero); content: counter(m, decimal-leading-zero) / ""; position: absolute; left: 0; top: 13px; font: 400 18px/1 var(--serif); color: var(--vermilion); }
.matrix h3 { margin: 0 0 4px; font: 400 22px/1.2 var(--serif); }
.matrix p { margin: 0; }
.wa-note { margin-top: 16px; }

/* Υπολογιστής ROI (σε paper, ως κάρτα με περίγραμμα) */
.roi-grid { display: grid; gap: 20px; margin-top: 8px; }
.roi-grid > *, .roi-money > *, .roi-rows dt, .roi-field label, .roi-field-top > * { min-width: 0; }
.roi-rows dt, .roi-field label { overflow-wrap: anywhere; }
.roi-field-top output { flex: none; min-width: auto; }
.roi-inputs, .roi-result { padding: 24px 20px; background: var(--paper-2); border: 1px solid var(--ink); border-radius: 6px; }
.roi-inputs h3 { margin: 0 0 4px; font: 400 24px/1.25 var(--serif); }
.roi-hint { margin: 0 0 20px; font-size: 15px; color: var(--muted); }
.roi-top { display: flex; justify-content: space-between; align-items: flex-start; gap: 16px; }
.roi-reset { padding: 8px 16px; border: 1px solid var(--ink); border-radius: 999px; background: transparent; color: var(--ink); font: 500 14px/1 var(--sans); cursor: pointer; }
.roi-field { margin-bottom: 22px; }
.roi-field-top { display: flex; justify-content: space-between; align-items: baseline; gap: 16px; margin-bottom: 8px; }
.roi-field label { font-size: 15px; font-weight: 500; line-height: 1.4; }
.roi-field output { font: 400 20px/1.2 var(--serif); white-space: nowrap; }
.roi-field input[type="range"] { width: 100%; height: 28px; accent-color: var(--vermilion); cursor: pointer; }
.roi-scale { display: flex; justify-content: space-between; font-size: 13px; color: var(--muted); }
.roi-divider { margin: 28px 0 16px; padding-top: 20px; border-top: 1px solid var(--line); font-weight: 500; }
.roi-divider small { display: block; margin-top: 4px; font-size: 14px; font-weight: 400; color: var(--muted); }
.roi-money { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.field-num { display: block; }
.field-num > span { display: block; margin-bottom: 6px; font-size: 14px; font-weight: 500; line-height: 1.4; }
.num-wrap { display: flex; align-items: center; border: 1px solid var(--field-border); border-radius: 8px; background: var(--paper); }
.num-wrap span { padding-left: 12px; color: var(--muted); }
.num-wrap input { flex: 1; min-width: 0; min-height: 46px; padding: 0 12px; border: 0; background: transparent; color: var(--ink); font: 400 16px/1.5 var(--sans); }
.num-wrap input:focus { outline: none; }
.num-wrap:focus-within { outline: 2px solid var(--ink); outline-offset: 2px; }
.roi-result .k { margin: 0; font-size: 14px; font-weight: 500; color: var(--muted); }
.roi-big { margin: 6px 0 4px; font: 300 clamp(36px, 5vw, 52px)/1.1 var(--serif); letter-spacing: -.02em; color: var(--ink); }
.roi-sub { margin: 0 0 6px; font-size: 15px; color: var(--muted); }
.roi-example { margin: 0 0 20px; font-size: 14.5px; color: var(--muted); }
.roi-rows { margin: 0; }
.roi-rows div { display: flex; justify-content: space-between; gap: 16px; padding: 12px 0; border-top: 1px solid var(--line); }
.roi-rows dt { color: var(--muted); }
.roi-rows dd { margin: 0; font-weight: 500; text-align: right; }
.roi-rows [hidden] { display: none; }
.roi-explain { margin: 16px 0 0; font-size: 14.5px; color: var(--muted); }
.roi-disclaimer { margin: 14px 0 0; padding-top: 12px; border-top: 1px solid var(--line); font-size: 14px; font-weight: 600; }
.roi-note { margin: 20px 0 0; font-size: 14px; color: var(--muted); }

/* Τελικό CTA */
.cta-row { padding: 24px 0 44px; border-top: 1px solid var(--ink); }

@media (max-width: 359px) {
  .wave { gap: 1px; }
  .cards .fold { min-width: 0; }
  .cards .fold > summary { flex-wrap: wrap; row-gap: 8px; }
}
@media (min-width: 720px) {
  .demo { padding: 26px 26px 16px; }
  .transcript li { grid-template-columns: 124px minmax(0, 1fr); gap: 10px; }
  .matrix { grid-template-columns: repeat(3, 1fr); column-gap: 32px; }
  .cards { grid-template-columns: 1fr; }
}
@media (min-width: 1280px) {
  .page-hero-grid { grid-template-columns: repeat(12, minmax(0, 1fr)); column-gap: 32px; row-gap: 22px; align-items: start; }
  .page-n, .page-hero h1, .page-lead { grid-column: 1 / span 8; }
  .page-hero h1 { font-size: clamp(56px, 9.2vw, 128px); }  /* fallback με vw */
  .page-hero h1 { font-size: clamp(56px, calc(10.7cqw - 2px), 128px); }
  .page-hero .demo { grid-column: 9 / span 4; grid-row: 1 / span 3; align-self: center; margin: 0; }
}
@media (min-width: 1024px) {
  .voice-body > section { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); column-gap: 32px; padding: 44px 0 50px; }
  .voice-body > section > .sec-h { grid-column: 1 / span 3; font-size: clamp(32px, 3vw, 44px); margin: 0; }
  .voice-body > section > :not(.sec-h) { grid-column: 4 / span 9; }
  .voice-body > section > .sec-h + * { margin-top: 0; }
  .roi-grid { grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr); gap: 32px; align-items: start; }
  .roi-inputs, .roi-result { padding: 32px; }
  .fold > summary { font-size: 26px; }
  .strip li { font-size: 26px; }
  .cta-row { padding: 32px 0 56px; }
}