/* Intelligent Title — V4 institutional homepage concept. Builds on it-visual.css tokens. */
.v4 { --v4-w: min(1152px, calc(100vw - 48px)); }
.v4-wrap { width: var(--v4-w); margin: 0 auto; position: relative; }
.v4-k { font-size: 12px; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; color: var(--itb-cyan); margin: 0 0 14px; }
.v4-k-d { color: var(--itb-teal); text-align: center; }
.v4-h1 { font-family: var(--serif, Georgia, serif); font-size: clamp(34px, 4.2vw, 56px); line-height: 1.08; color: #fff; margin: 0 0 18px; font-weight: 700; letter-spacing: -.01em; text-wrap: balance; }
.v4-h2 { font-family: var(--serif, Georgia, serif); font-size: clamp(26px, 2.8vw, 38px); line-height: 1.16; color: var(--itb-navy); margin: 0 auto 30px; max-width: 26em; text-align: center; text-wrap: balance; font-weight: 700; }
.v4-h2-l { text-align: left; margin-left: 0; }
.v4-k-l { text-align: left; }
.v4-lead { font-size: clamp(19px, 1.7vw, 23px); color: var(--itb-cyan-soft); font-weight: 600; margin: 0 0 16px; }
.v4-sub, .v4-p { font-size: 16.5px; line-height: 1.65; }
.v4-sub { color: rgba(255,255,255,.82); max-width: 36em; margin: 0 0 26px; }
.v4-p { color: #3E4C63; max-width: 44em; margin: 0 auto 18px; text-align: center; }
.v4-act .v4-p { text-align: left; margin-left: 0; }
.v4-ic { width: 44px; height: 44px; border-radius: 12px; display: inline-flex; align-items: center; justify-content: center; background: var(--itb-teal-50); color: var(--itb-teal); flex: none; }
.v4-ic .it-i { width: 22px; height: 22px; }
.v4-sec { padding: 84px 0; position: relative; }
.v4-center { justify-content: center; }

/* Hero */
.v4-hero { position: relative; isolation: isolate; overflow: hidden; background: var(--itb-ink); color: #fff; padding: 34px 0 88px; }
.v4-hero .it-bd img { object-position: 60% 55%; }
.v4-hero::before { content: ""; position: absolute; inset: 0; z-index: 1; background: linear-gradient(100deg, rgba(7,20,41,.96) 0%, rgba(10,27,54,.88) 45%, rgba(10,27,54,.55) 100%); }
.v4-hero-in { z-index: 2; }
.v4-hero-grid { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr); gap: 56px; align-items: center; margin-top: 46px; }
.v4-convo { margin: 0; padding: 22px; border-radius: 18px; background: rgba(10,27,54,.62); border: 1px solid rgba(95,211,227,.32); box-shadow: var(--itb-glow); backdrop-filter: blur(6px); }
.v4-convo-k { font-size: 11px; letter-spacing: .14em; text-transform: uppercase; color: rgba(255,255,255,.55); margin: 0 0 14px; font-weight: 700; }
.v4-msg { border-radius: 14px; padding: 14px 16px; font-size: 15px; line-height: 1.55; margin: 0 0 12px; }
.v4-msg b { display: block; font-size: 11.5px; letter-spacing: .1em; text-transform: uppercase; margin-bottom: 4px; }
.v4-msg-u { background: rgba(255,255,255,.1); color: #fff; margin-right: 34px; }
.v4-msg-u b { color: rgba(255,255,255,.65); }
.v4-msg-i { background: linear-gradient(160deg, #13A0B3, var(--itb-teal)); color: #fff; margin-left: 34px; }
.v4-msg-i b { color: #D8F7FB; }
.v4-convo-bar { display: flex; gap: 6px; padding: 4px 0 0 36px; }
.v4-convo-bar span { width: 7px; height: 7px; border-radius: 50%; background: var(--itb-cyan); opacity: .45; }
.v4-convo-bar span:nth-child(2) { opacity: .7; } .v4-convo-bar span:nth-child(3) { opacity: 1; box-shadow: 0 0 8px var(--itb-cyan); }

/* Four ways */
.v4-four { background: linear-gradient(180deg, #F1F7F9, #fff); }
.v4-ways { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; position: relative; }
.v4-ways::after { content: ""; position: absolute; left: 12%; right: 12%; bottom: -34px; height: 2px; background: linear-gradient(90deg, transparent, var(--itb-teal), var(--itb-cyan), var(--itb-teal), transparent); }
.v4-ways li { background: #fff; border: 1px solid #D5E3EA; border-radius: 16px; padding: 24px; display: flex; flex-direction: column; gap: 8px; box-shadow: 0 16px 40px -28px rgba(15,35,66,.4); transition: transform .25s var(--itb-ease), box-shadow .25s; }
.v4-ways li:hover { transform: translateY(-4px); box-shadow: 0 0 0 1px rgba(14,127,145,.35), 0 22px 44px -22px rgba(14,127,145,.45); }
.v4-ways b { font-size: 18px; color: var(--itb-navy); margin-top: 6px; }
.v4-ways li span:last-child { color: #3E4C63; font-size: 15px; line-height: 1.55; }
.v4-strip { display: flex; justify-content: center; flex-wrap: wrap; gap: 10px 28px; margin: 62px 0 0; font-weight: 600; color: var(--itb-navy); font-size: 15px; }
.v4-strip span { display: inline-flex; align-items: center; gap: 10px; }
.v4-strip span::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--itb-teal); box-shadow: 0 0 0 4px var(--itb-teal-100); }

/* What IRIS does */
.v4-does { background: var(--itb-ink); color: #fff; isolation: isolate; overflow: hidden; }
.v4-does::before { content: ""; position: absolute; inset: 0; z-index: 1; background: linear-gradient(180deg, rgba(10,27,54,.9), rgba(7,20,41,.95)); }
.v4-does-in { z-index: 2; }
.v4-does .v4-h2 { color: #fff; }
.v4-verbs { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(5, 1fr); gap: 14px; position: relative; }
.v4-verbs::before { content: ""; position: absolute; left: 10%; right: 10%; top: 44px; height: 2px; background: linear-gradient(90deg, var(--itb-teal), var(--itb-cyan), var(--itb-teal)); box-shadow: 0 0 10px rgba(63,227,240,.5); z-index: 0; }
.v4-verbs li { position: relative; z-index: 1; background: rgba(255,255,255,.06); border: 1px solid rgba(95,211,227,.24); border-radius: 16px; padding: 22px 18px; display: flex; flex-direction: column; gap: 8px; transition: border-color .25s, background .25s, transform .25s var(--itb-ease); }
.v4-verbs li:hover { border-color: var(--itb-cyan); background: rgba(63,227,240,.1); transform: translateY(-4px); }
.v4-verbs .v4-ic { background: var(--itb-navy); color: var(--itb-cyan); border: 1px solid rgba(63,227,240,.5); box-shadow: 0 0 14px rgba(63,227,240,.3); }
.v4-verbs b { font-size: 17px; color: #fff; margin-top: 4px; }
.v4-verbs li span:last-child { font-size: 14.5px; line-height: 1.55; color: rgba(255,255,255,.78); }
.v4-note { margin: 28px 0 0; color: rgba(255,255,255,.7); font-size: 15px; }

/* Pipelines */
.v4-pipes { background: linear-gradient(180deg, #fff, #F1F7F9); }
.v4-pipe-grid { display: grid; gap: 14px; max-width: 900px; margin: 0 auto; }
.v4-pipe { display: grid; grid-template-columns: 42px 250px 1fr 96px; align-items: center; gap: 20px; background: #fff; border: 1px solid #D5E3EA; border-radius: 14px; padding: 16px 22px; }
.v4-pipe-n { width: 34px; height: 34px; border-radius: 50%; display: inline-flex; align-items: center; justify-content: center; font-weight: 700; background: var(--itb-teal-50); color: var(--itb-teal); }
.v4-pipe b { display: block; color: var(--itb-navy); font-size: 17px; } .v4-pipe div span { color: #56657D; font-size: 14px; }
.v4-bar { height: 12px; border-radius: 99px; background: #E4EDF2; position: relative; overflow: hidden; display: block; }
.v4-bar-full::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, #8FA3BA, #5E7593); border-radius: 99px; }
.v4-pipe em { font-style: normal; font-size: 12px; letter-spacing: .1em; text-transform: uppercase; font-weight: 700; color: #56657D; text-align: right; }
.v4-pipe-t { background: linear-gradient(120deg, var(--itb-navy), var(--itb-ink)); border-color: rgba(63,227,240,.45); box-shadow: 0 0 0 1px rgba(63,227,240,.25), 0 24px 50px -26px rgba(14,127,145,.7); }
.v4-pipe-t b { color: #fff; } .v4-pipe-t div span { color: rgba(255,255,255,.75); }
.v4-pipe-t .v4-pipe-n { background: var(--itb-cyan); color: var(--itb-ink); box-shadow: 0 0 12px var(--itb-cyan); }
.v4-bar-iris { background: rgba(255,255,255,.1); }
.v4-bar-iris::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, var(--itb-teal), var(--itb-cyan)); box-shadow: 0 0 12px var(--itb-cyan); border-radius: 99px; }
.v4-pipe-t em { color: var(--itb-cyan); }
.v4-oct { max-width: 900px; margin: 34px auto 0; display: grid; grid-template-columns: 170px 1fr; gap: 6px 30px; border-top: 2px solid var(--itb-teal); padding-top: 26px; }
.v4-oct-date { grid-row: span 2; font-family: var(--serif, Georgia, serif); font-size: 30px; font-weight: 700; color: var(--itb-teal); margin: 0; line-height: 1.1; }
.v4-oct p { margin: 0 0 10px; color: #3E4C63; font-size: 16px; line-height: 1.65; }
.v4-oct .v4-oct-a { color: var(--itb-navy); font-weight: 600; }

/* Every participant */
.v4-every { background: #F1F7F9; padding-top: 20px; }
.v4-hub { display: grid; grid-template-columns: 1fr 380px; gap: 26px; align-items: stretch; }
.v4-roles { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.v4-roles li { display: grid; grid-template-columns: 130px 1fr; align-items: center; gap: 16px; background: #fff; border: 1px solid #D5E3EA; border-radius: 12px; padding: 14px 18px; position: relative; transition: border-color .2s, box-shadow .2s; }
.v4-roles li::after { content: ""; position: absolute; right: -27px; top: 50%; width: 26px; height: 2px; background: var(--itb-teal); }
.v4-roles li:hover { border-color: var(--itb-teal); box-shadow: 0 10px 26px -18px rgba(14,127,145,.6); }
.v4-roles b { color: var(--itb-teal); font-size: 12.5px; letter-spacing: .12em; text-transform: uppercase; }
.v4-roles span { color: var(--itb-navy); font-size: 15.5px; }
.v4-core { border-radius: 18px; background: linear-gradient(160deg, #173763, var(--itb-ink)); color: #fff; padding: 26px; display: flex; flex-direction: column; justify-content: center; box-shadow: 0 0 0 1px rgba(63,227,240,.3), 0 26px 50px -24px rgba(10,27,54,.8); }
.v4-core p:not(.it-brandbar) { font-size: 17px; line-height: 1.6; color: rgba(255,255,255,.88); margin: 18px 0 0; }

/* Who we serve and assurance */
.v4-serve { background: #fff; }
.v4-assure { background: linear-gradient(180deg, #fff, #F1F7F9); padding-top: 64px; }
.v4-proof { margin-top: 30px; }

/* Activation */
.v4-act { background: #F1F7F9; padding-top: 30px; }
.v4-act-grid { display: grid; grid-template-columns: 1fr 440px; gap: 56px; align-items: center; }
.v4-loi { margin: 0; background: #fff; border-radius: 12px; padding: 26px 26px 18px; box-shadow: 0 30px 60px -30px rgba(15,35,66,.45); border: 1px solid #D5E3EA; transform: rotate(-1.2deg); }
.v4-loi-h { font-family: var(--serif, Georgia, serif); font-size: 20px; font-weight: 700; color: var(--itb-navy); margin: 0 0 16px; display: flex; justify-content: space-between; align-items: baseline; border-bottom: 1px solid #E4EDF2; padding-bottom: 12px; }
.v4-loi-h span { font-family: inherit; font-size: 11px; letter-spacing: .12em; text-transform: uppercase; color: #56657D; font-weight: 700; }
.v4-loi-row { display: flex; align-items: center; gap: 12px; color: #3E4C63; font-size: 15px; margin: 0 0 12px; }
.v4-loi-row i { width: 16px; height: 16px; border-radius: 4px; border: 2px solid var(--itb-teal); background: var(--itb-teal-50); flex: none; }
.v4-loi-dim { opacity: .5; }
.v4-loi-iris { margin: 4px -10px 14px; padding: 16px 18px; border-radius: 12px; background: linear-gradient(120deg, var(--itb-navy), var(--itb-ink)); color: #fff; box-shadow: var(--itb-glow); }
.v4-loi-iris b { display: block; color: var(--itb-cyan); font-size: 15px; margin-bottom: 6px; }
.v4-loi-iris span { font-size: 14px; line-height: 1.55; color: rgba(255,255,255,.85); }

/* Close */
.v4-close { position: relative; isolation: isolate; overflow: hidden; background: var(--itb-ink); color: #fff; padding: 64px 0 80px; text-align: center; }
.v4-close::before { content: ""; position: absolute; inset: 0; z-index: 1; background: linear-gradient(180deg, rgba(10,27,54,.75), rgba(10,27,54,.92) 75%, #0A1B36); }
.v4-close-in { z-index: 2; }
.v4-close .it-brandbar { justify-content: center; }
.v4-close-h { margin-top: 30px; }

@media (max-width: 1100px) {
  .v4-verbs { grid-template-columns: repeat(3, 1fr); } .v4-verbs::before { display: none; }
}
@media (max-width: 900px) {
  .v4-hero-grid, .v4-hub, .v4-act-grid { grid-template-columns: 1fr; gap: 30px; }
  .v4-ways { grid-template-columns: 1fr 1fr; }
  .v4-verbs { grid-template-columns: 1fr; }
  .v4-pipe { grid-template-columns: 34px 1fr; gap: 12px 14px; }
  .v4-pipe .v4-bar { grid-column: 1 / -1; } .v4-pipe em { grid-column: 1 / -1; text-align: left; }
  .v4-oct { grid-template-columns: 1fr; } .v4-oct-date { grid-row: auto; }
  .v4-roles li { grid-template-columns: 1fr; gap: 4px; } .v4-roles li::after { display: none; }
  .v4-sec { padding: 60px 0; }
  .v4-loi { transform: none; }
}
@media (max-width: 560px) { .v4-ways { grid-template-columns: 1fr; } .v4-msg-u { margin-right: 0; } .v4-msg-i { margin-left: 0; } }
@media (prefers-reduced-motion: reduce) { .v4 * { transition: none !important; } }