/* Long-form product sections on the homepage. Uses the landing tokens only. */

/* the intro must be the only thing visible until it finishes */
body.intro { overflow: hidden; }
body.intro .kvkk-link { opacity: 0; pointer-events: none; }

/* hero proof line */
.hero-proof { display: flex; flex-wrap: wrap; gap: 10px 24px; margin-top: 10px; padding-top: 16px; border-top: 1px solid rgba(248,247,244,.1); }
.hero-proof span { display: inline-flex; align-items: center; gap: 8px; font-size: 13px; line-height: 18px; color: rgba(248,247,244,.72); }
.hero-proof svg { color: var(--teal-glow); opacity: .95; }

/* what Ackoff does */
.cap { padding-top: 136px; padding-bottom: 136px; }
.cap-head { display: grid; gap: 28px; margin-bottom: 60px; }
.cap-head-grid { display: grid; grid-template-columns: minmax(0,1.05fr) minmax(320px,.72fr); gap: 64px; align-items: end; }
.cap-head h2 span { color: var(--deep-teal); }
.cap-head-copy { display: grid; gap: 18px; justify-items: start; }
.cap-head-copy .lead { max-width: 540px; }
.cap-note { font-size: 13.5px; line-height: 22px; color: var(--text-subtle); padding-left: 14px; border-left: 1.5px solid var(--deep-teal); }
.cap-grid { display: grid; grid-template-columns: repeat(4,minmax(0,1fr)); border-top: 1px solid var(--border-default); border-left: 1px solid var(--border-default); }
.cap-card { padding: 30px 26px 32px; border-right: 1px solid var(--border-default); border-bottom: 1px solid var(--border-default); display: grid; grid-template-rows: auto auto 1fr auto; gap: 12px; min-height: 268px; background: var(--surface-page); transition: background 180ms; }
.cap-card:hover { background: var(--surface-card); }
.cap-icon { width: 42px; height: 42px; border-radius: 10px; display: grid; place-items: center; background: var(--teal-50); color: var(--deep-teal); border: 1px solid var(--teal-100); }
.cap-card h3 { font-size: 18px; line-height: 25px; font-weight: 500; color: var(--text-strong); margin-top: 4px; }
.cap-card p { font-size: 14.5px; line-height: 22px; color: var(--text-muted); }
.cap-ex { font-size: 12.5px; line-height: 18px; color: var(--deep-teal); border-top: 1px solid var(--border-subtle); padding-top: 12px; align-self: end; }

/* integrations band */
.int-band { background: var(--obsidian); color: var(--warm-white); background-image: radial-gradient(ellipse at 82% 0%,rgba(47,183,167,.15),transparent 55%),radial-gradient(ellipse at 0% 100%,rgba(142,211,224,.07),transparent 50%); }
.int { padding-top: 136px; padding-bottom: 136px; }
.int-head { display: grid; grid-template-columns: minmax(0,1fr) 300px; gap: 64px; align-items: end; }
.int-head h2 { color: var(--warm-white); }
.int-head h2 span { color: var(--teal-glow); }
.int-head .lead { color: rgba(248,247,244,.72); max-width: 610px; margin-top: 22px; }
.int-all { display: inline-flex; align-items: center; gap: 8px; margin-top: 26px; color: var(--teal-glow); font-size: 14px; font-weight: 500; }
.int-all:hover { color: #fff; text-decoration: none; }
.int-stat { border: 1px solid rgba(248,247,244,.14); background: rgba(248,247,244,.04); border-radius: 16px; padding: 28px; display: grid; gap: 4px; }
.int-stat strong { font-size: 54px; line-height: 1; font-weight: 300; color: var(--teal-glow); letter-spacing: -.04em; }
.int-stat span { font-size: 12px; letter-spacing: .2em; text-transform: uppercase; color: rgba(248,247,244,.6); }
.int-stat p { font-size: 13px; line-height: 20px; color: rgba(248,247,244,.55); margin-top: 14px; border-top: 1px solid rgba(248,247,244,.12); padding-top: 14px; }
.int-home-search { display: flex; align-items: center; gap: 10px; background: rgba(255,255,255,.07); border: 1px solid rgba(248,247,244,.2); border-radius: 999px; padding: 11px 20px; margin-top: 20px; max-width: 540px; transition: border-color 180ms, background 180ms; }
.int-home-search:focus-within { border-color: var(--teal-glow); background: rgba(255,255,255,.12); }
.int-home-search svg { color: var(--teal-glow); flex-shrink: 0; }
.int-home-search input { border: 0; background: transparent; color: #fff; font: 400 14px/1.4 Inter, sans-serif; width: 100%; outline: none; }
.int-home-search input::placeholder { color: rgba(248,247,244,.45); }
.int-home-count { font-size: 12px; color: var(--teal-glow); white-space: nowrap; padding-left: 6px; }
.int-flow { position: relative; width: 100%; height: 72px; margin: 38px 0 16px; overflow: visible; pointer-events: none; }
.int-flow svg { width: 100%; height: 100%; display: block; overflow: visible; }
.int-wall { display: grid; grid-template-columns: repeat(6,minmax(0,1fr)); gap: 10px; margin-top: 16px; }
.int-tile { min-height: 94px; border-radius: 12px; background: #fff; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 8px; padding: 14px 10px 10px; transition: transform 180ms var(--eo), box-shadow 180ms var(--eo); text-align: center; content-visibility: auto; contain-intrinsic-size: 120px 94px; }
.int-tile:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(0,0,0,.22); }
.int-tile img { max-width: 100%; max-height: 32px; object-fit: contain; }
.int-tile-name { font-size: 12px; line-height: 15px; font-weight: 500; color: var(--text-strong); max-width: 100%; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.int-note { font-size: 12.5px; line-height: 19px; color: rgba(248,247,244,.5); margin-top: 32px; max-width: 820px; }

/* control layers */
.ctrl-band { background: var(--sand); border-top: 1px solid var(--border-default); border-bottom: 1px solid var(--border-default); }
.ctrl { padding-top: 130px; padding-bottom: 130px; }
.ctrl-head { display: grid; grid-template-columns: minmax(0,1fr) minmax(320px,.75fr); gap: 64px; align-items: end; margin-bottom: 52px; }
.ctrl-head > div { display: grid; gap: 24px; }
.ctrl-head h2 span { color: var(--deep-teal); }
.ctrl-head .lead { max-width: 520px; }
.ctrl-grid { display: grid; grid-template-columns: repeat(4,minmax(0,1fr)); border-top: 1px solid var(--border-strong); border-left: 1px solid var(--border-default); }
.ctrl-item { padding: 26px 24px 30px; border-right: 1px solid var(--border-default); border-bottom: 1px solid var(--border-default); display: grid; gap: 8px; align-content: start; min-height: 196px; }
.ctrl-n { font-size: 11px; letter-spacing: .18em; color: var(--deep-teal); font-variant-numeric: tabular-nums; }
.ctrl-icon { width: 36px; height: 36px; border-radius: 9px; display: grid; place-items: center; background: rgba(14,111,102,.08); color: var(--deep-teal); }
.ctrl-item h3 { font-size: 17px; line-height: 24px; font-weight: 500; color: var(--text-strong); }
.ctrl-item p { font-size: 14px; line-height: 21px; color: var(--text-muted); }
.ctrl-note { display: flex; gap: 16px; align-items: flex-start; margin-top: 32px; padding: 24px 26px; border: 1px solid var(--border-default); background: rgba(255,255,255,.55); border-radius: 14px; }
.ctrl-note-icon { flex: 0 0 auto; width: 40px; height: 40px; border-radius: 10px; display: grid; place-items: center; background: var(--teal-50); color: var(--deep-teal); }
.ctrl-note strong { display: block; font-size: 13px; line-height: 18px; letter-spacing: .12em; text-transform: uppercase; color: var(--text-strong); }
.ctrl-note p { font-size: 14.5px; line-height: 23px; color: var(--text-muted); margin-top: 4px; max-width: 900px; }

/* use cases */
.use { padding-top: 136px; padding-bottom: 136px; }
.use-head { display: grid; gap: 28px; margin-bottom: 52px; }
.use-head-grid { display: grid; grid-template-columns: minmax(0,1.05fr) minmax(320px,.72fr); gap: 64px; align-items: end; }
.use-head h2 span { color: var(--deep-teal); }
.use-head-grid .lead { max-width: 540px; }
.use-grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 16px; }
.use-card { border: 1px solid var(--border-default); border-radius: 14px; padding: 28px 26px; background: var(--surface-card); display: grid; gap: 14px; align-content: start; min-height: 220px; }
.use-icon { width: 42px; height: 42px; border-radius: 10px; background: var(--teal-50); color: var(--deep-teal); display: grid; place-items: center; }
.use-card h3 { font-size: 20px; line-height: 27px; font-weight: 400; color: var(--text-strong); }
.use-card ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.use-card li { display: flex; gap: 8px; align-items: flex-start; font-size: 14px; line-height: 22px; color: var(--text-muted); }
.use-card li svg { color: var(--deep-teal); margin-top: 3px; }

/* measurement */
.measure-band { border-top: 1px solid var(--border-default); border-bottom: 1px solid var(--border-default); background: var(--surface-card); }
.measure { padding-top: 130px; padding-bottom: 130px; }
.measure-head { display: grid; grid-template-columns: minmax(0,1fr) minmax(320px,.75fr); gap: 64px; align-items: end; margin-bottom: 48px; }
.measure-head > div { display: grid; gap: 24px; }
.measure-head h2 span { color: var(--deep-teal); }
.measure-head .lead { max-width: 520px; }
.measure-grid { display: grid; grid-template-columns: repeat(4,minmax(0,1fr)); border-top: 1px solid var(--border-strong); border-left: 1px solid var(--border-default); }
.measure-item { padding: 26px 24px 28px; border-right: 1px solid var(--border-default); border-bottom: 1px solid var(--border-default); display: grid; gap: 8px; align-content: start; }
.measure-index { font-size: 11px; letter-spacing: .18em; color: var(--deep-teal); font-variant-numeric: tabular-nums; }
.measure-item h3 { font-size: 16px; line-height: 23px; font-weight: 500; color: var(--text-strong); }
.measure-item p { font-size: 14px; line-height: 21px; color: var(--text-muted); }
.measure-foot { display: flex; justify-content: space-between; align-items: center; gap: 24px; margin-top: 28px; }
.measure-foot p { font-size: 13.5px; line-height: 20px; color: var(--text-subtle); max-width: 620px; }
.measure-cta { display: inline-flex; align-items: center; gap: 8px; border: 1px solid var(--border-strong); border-radius: 999px; padding: 11px 18px; font-size: 14px; color: var(--text-strong); white-space: nowrap; }
.measure-cta:hover { text-decoration: none; border-color: var(--deep-teal); color: var(--deep-teal); }

/* FAQ */
.faq { padding-top: 128px; padding-bottom: 128px; display: grid; grid-template-columns: minmax(0,.7fr) minmax(0,1.3fr); gap: 72px; align-items: start; }
.faq-head { position: sticky; top: 110px; display: grid; gap: 22px; }
.faq-head h2 { font-size: clamp(34px,4vw,50px); }
.faq-head .lead { max-width: 380px; }
.faq-list { display: grid; border-top: 1px solid var(--border-default); }
.faq-item { border-bottom: 1px solid var(--border-default); }
.faq-item summary { list-style: none; cursor: pointer; display: flex; align-items: flex-start; justify-content: space-between; gap: 20px; padding: 20px 0; font-size: 16px; line-height: 23px; font-weight: 500; color: var(--text-strong); }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary svg { flex: 0 0 auto; margin-top: 2px; color: var(--deep-teal); transition: transform 180ms var(--eo); }
.faq-item[open] summary svg { transform: rotate(45deg); }
.faq-item[open] summary { color: var(--deep-teal); }
.faq-item p { padding: 0 36px 20px 0; font-size: 14px; line-height: 22px; color: var(--text-muted); max-width: 680px; }

/* Ask AI */
.ask-ai-band { background: var(--surface-page); border-top: 1px solid var(--border-default); }
.ask-ai { padding-top: 110px; padding-bottom: 110px; }
.ask-ai-card { background: var(--obsidian); color: var(--warm-white); border-radius: 24px; padding: 56px 48px; border: 1px solid rgba(248,247,244,.14); box-shadow: 0 24px 64px rgba(0,0,0,.35); display: grid; gap: 32px; position: relative; overflow: hidden; }
.ask-ai-card::before { content: ""; position: absolute; top: -140px; right: -80px; width: 440px; height: 440px; border-radius: 999px; background: radial-gradient(circle, rgba(47,183,167,.18) 0%, rgba(47,183,167,0) 70%); pointer-events: none; }
.ask-ai-head { display: grid; gap: 14px; max-width: 720px; }
.ask-ai-head h2 { font-size: clamp(32px,4vw,50px); line-height: 1.1; font-weight: 300; letter-spacing: -.02em; color: var(--warm-white); }
.ask-ai-head h2 span { color: var(--teal-glow); }
.ask-ai-head .lead { color: rgba(248,247,244,.74); font-size: 16.5px; line-height: 26px; max-width: 640px; }
.ask-ai-box { background: rgba(18,24,31,.75); border: 1px solid rgba(248,247,244,.14); border-radius: 16px; padding: 22px 24px; display: grid; gap: 12px; backdrop-filter: blur(8px); }
.ask-ai-box-top { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.ask-ai-tag { font-size: 11px; line-height: 14px; letter-spacing: .14em; text-transform: uppercase; color: var(--teal-glow); font-weight: 500; }
.ask-ai-copy-btn { display: inline-flex; align-items: center; gap: 6px; background: rgba(248,247,244,.08); border: 1px solid rgba(248,247,244,.18); border-radius: 999px; padding: 6px 14px; color: var(--warm-white); font: 500 12px/1 Inter,sans-serif; cursor: pointer; transition: all .15s ease; }
.ask-ai-copy-btn:hover { background: rgba(47,183,167,.2); border-color: var(--teal-glow); color: var(--teal-glow); }
.ask-ai-copy-btn.ok { background: var(--deep-teal); border-color: var(--teal-glow); color: #fff; }
.ask-ai-prompt { font-size: 15.5px; line-height: 24px; color: rgba(248,247,244,.92); font-style: normal; margin: 0; }
.ask-ai-grid { display: grid; grid-template-columns: repeat(4,minmax(0,1fr)); gap: 14px; }
.ask-ai-btn { display: flex; align-items: center; gap: 14px; padding: 16px 18px; background: rgba(248,247,244,.06); border: 1px solid rgba(248,247,244,.14); border-radius: 14px; color: var(--warm-white); cursor: pointer; text-align: left; transition: all .18s var(--eo); text-decoration: none; }
.ask-ai-btn:hover { background: rgba(248,247,244,.12); border-color: var(--teal-glow); transform: translateY(-2px); box-shadow: 0 10px 24px rgba(0,0,0,.3); text-decoration: none; }
.ask-ai-btn-icon { width: 40px; height: 40px; border-radius: 10px; background: rgba(255,255,255,.08); display: grid; place-items: center; flex-shrink: 0; transition: background .15s; color: var(--teal-glow); }
.ask-ai-btn-icon img { width: 24px; height: 24px; object-fit: contain; display: block; }
.ask-ai-btn:hover .ask-ai-btn-icon { background: rgba(47,183,167,.24); }
.ask-ai-btn-info { display: grid; gap: 2px; min-width: 0; }
.ask-ai-btn-name { font-size: 15px; line-height: 20px; font-weight: 500; color: var(--warm-white); }
.ask-ai-btn-action { font-size: 12px; line-height: 16px; color: var(--teal-glow); display: inline-flex; align-items: center; gap: 4px; }
.ask-ai-foot { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 12px; font-size: 12.5px; line-height: 18px; color: rgba(248,247,244,.55); padding-top: 8px; border-top: 1px solid rgba(248,247,244,.1); }

@media (max-width: 1040px) {
  .cap-head-grid, .int-head, .ctrl-head, .measure-head, .use-head-grid { grid-template-columns: minmax(0,1fr); gap: 28px; }
  .cap-grid, .ctrl-grid, .measure-grid { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .ask-ai-grid { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .int-wall { grid-template-columns: repeat(4,minmax(0,1fr)); }
  .int-erp-grid { grid-template-columns: repeat(4,minmax(0,1fr)); }
  .use-grid { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .faq { grid-template-columns: minmax(0,1fr); gap: 36px; }
  .faq-head { position: static; }
}

@media (max-width: 760px) {
  .int-wall { grid-template-columns: repeat(3,minmax(0,1fr)); }
  .int-erp-grid { grid-template-columns: repeat(3,minmax(0,1fr)); }
  .cap-card { min-height: 0; }
  .measure-foot { align-items: flex-start; flex-direction: column; gap: 14px; }
}

@media (max-width: 640px) {
  .cap, .int, .ctrl, .use, .measure, .faq, .ask-ai { padding-top: 80px; padding-bottom: 80px; }
  .ask-ai-card { padding: 32px 20px; border-radius: 18px; gap: 24px; }
  .ask-ai-grid { grid-template-columns: minmax(0,1fr); gap: 10px; }
  .ask-ai-prompt { font-size: 14.5px; line-height: 22px; }
  .cap-grid, .ctrl-grid, .measure-grid, .use-grid { grid-template-columns: minmax(0,1fr); }
  .int-wall { grid-template-columns: repeat(2,minmax(0,1fr)); gap: 8px; }
  .int-tile { height: 68px; padding: 12px; }
  .int-tile img { max-height: 28px; }
  .int-erp-grid { grid-template-columns: repeat(2,minmax(0,1fr)); gap: 8px; }
  .int-erp-card { min-height: 86px; }
  .int-stat { padding: 22px; }
  .int-stat strong { font-size: 44px; }
  .ctrl-note { padding: 18px; }
  .faq-item summary { font-size: 15px; line-height: 22px; }
  .faq-item p { padding-right: 0; }
}