/* =====================================================================
   IPSB — landing page sections
   ===================================================================== */

/* ---- Hero ---- */
.hero { padding-block: 4.5rem 4rem; }
.hero-grid { display: grid; grid-template-columns: 1.02fr .98fr; gap: 4rem; align-items: center; }
.hero h1 { margin-top: 1.1rem; }
.hero .lede { max-width: 46ch; margin-top: .7rem; }
.hero-cta { display: flex; gap: 1.1rem; align-items: center; flex-wrap: wrap; margin-top: 2rem; }
.hero-cta-note { flex-basis: 100%; margin-top: .15rem; font-family: var(--font-mono); font-size: .7rem; letter-spacing: .08em; text-transform: uppercase; color: var(--muted); }
.hero-trust { display: flex; align-items: center; gap: .75rem; margin-top: 2.1rem; font-size: var(--fs-sm); color: var(--muted); }
.hero-trust .r { width: 34px; height: 1px; background: var(--brass); opacity: .8; flex: none; }

/* ---- Certificate artifact ---- */
.cert-frame {
  background: var(--paper-warm); border: 1px solid var(--brass);
  padding: 11px; border-radius: 3px;
  box-shadow: 0 34px 64px -28px rgba(8,38,42,.45), 0 6px 16px -10px rgba(8,38,42,.25);
}
.cert { position: relative; border: 1px solid rgba(156,122,60,.55); padding: 2.1rem 1.9rem 1.6rem; text-align: center; overflow: hidden; }
.cert .guilloche { height: 30px; margin: -.4rem -.4rem 1rem; opacity: .5; }
.cert .org { font-family: var(--font-mono); font-size: .68rem; letter-spacing: .22em; text-transform: uppercase; color: var(--brass-deep); }
.cert .seal { margin: .7rem auto .2rem; }
.cert .conf { font-family: var(--font-display); font-style: italic; font-size: var(--fs-sm); color: var(--muted); margin-top: .6rem; }
.cert .name { font-family: var(--font-display); font-size: 2rem; color: var(--ink-2); line-height: 1.1; margin: .15rem 0; }
.cert .for { font-family: var(--font-display); font-style: italic; font-size: var(--fs-sm); color: var(--muted); }
.cert .track { font-family: var(--font-display); font-weight: 500; font-size: var(--fs-lg); color: var(--ink-2); margin-top: .2rem; }
.cert .lvrow { display: inline-flex; align-items: center; gap: .6rem; margin-top: .7rem; }
.cert .diamond { display: flex; align-items: center; justify-content: center; gap: .6rem; margin: 1.05rem 0 .9rem; }
.cert .diamond::before, .cert .diamond::after { content: ""; height: 1px; width: 64px; background: var(--brass); opacity: .55; }
.cert .diamond span { width: 5px; height: 5px; background: var(--brass); transform: rotate(45deg); }
.cert .foot { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 1rem; align-items: end; }
.cert .foot .cell { font-family: var(--font-mono); font-size: .68rem; letter-spacing: .08em; text-transform: uppercase; color: var(--faint); }
.cert .foot .cell .v { display: block; color: var(--ink-2); font-size: .73rem; margin-top: .3rem; }
.cert .foot .sign { display: block; font-family: var(--font-script); font-size: 1.55rem; color: #1B3A80; line-height: 1; text-transform: none; letter-spacing: 0; margin-bottom: .1rem; }
.cert .foot .sigline { height: 1px; background: var(--line-2); margin: .15rem auto .5rem; }
.cert .ribbon {
  position: absolute; top: 14px; right: -34px; transform: rotate(45deg);
  background: var(--brass); color: #fff;
  font-family: var(--font-mono); font-size: .72rem; letter-spacing: .14em; text-transform: uppercase;
  padding: .35em 2.6em;
}

/* ---- Credential ribbon (facts) ---- */
.facts { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.facts .grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; }
.fact { padding: 1.7rem 1.4rem; text-align: center; border-left: 1px solid var(--line); }
.fact:first-child { border-left: 0; }
.fact .n { font-family: var(--font-display); font-size: var(--fs-xl); color: var(--ink-2); line-height: 1; }
.fact .n .u { color: var(--brass); }
.fact .l { font-family: var(--font-mono); font-size: .72rem; letter-spacing: .13em; text-transform: uppercase; color: var(--muted); margin-top: .55rem; }

/* ---- Why (editorial, rule-led, no icons) ---- */
.why-head { max-width: 54ch; }
.why-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2.4rem; margin-top: 3rem; }
.why-col { padding-top: 1.2rem; border-top: 2px solid var(--brass); }
.why-col .lbl { font-family: var(--font-mono); font-size: .73rem; letter-spacing: .18em; text-transform: uppercase; color: var(--brass-deep); }
.why-col h4 { margin: .7rem 0 .5rem; font-size: var(--fs-lg); }
.why-col p { font-size: var(--fs-sm); color: var(--muted); margin: 0; }

/* ---- Certifications ---- */
.cert-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.2rem; margin-top: 2.8rem; }
.track-card { display: flex; flex-direction: column; background: var(--surface); border: 1px solid var(--line); border-radius: var(--r-lg); padding: 1.5rem 1.5rem 1.4rem; transition: transform var(--tr), box-shadow var(--tr); }
.track-card:hover { transform: translateY(-3px); box-shadow: 0 18px 40px -24px rgba(8,38,42,.45); }
.track-card.is-open { border-top: 3px solid var(--brass); }
.track-card .code { font-family: var(--font-mono); font-size: .72rem; letter-spacing: .14em; text-transform: uppercase; color: var(--faint); }
.track-card h4 { margin: .5rem 0 0; font-size: var(--fs-md); line-height: 1.18; }
.track-card .status { display: inline-flex; align-items: center; gap: .45rem; font-family: var(--font-mono); font-size: .73rem; letter-spacing: .08em; text-transform: uppercase; margin-top: .7rem; }
.track-card .status.open { color: var(--accent-700); }
.track-card .status.closed { color: var(--faint); }
.track-card .status .d { width: .5rem; height: .5rem; border-radius: 50%; }
.track-card .status.open .d { background: var(--accent); }
.track-card .status.closed .d { background: var(--line-2); }
.track-card .status.soon { color: var(--brass); }
.track-card .status.soon .d { background: var(--brass-2); }
.track-card .desc { font-size: var(--fs-sm); color: var(--muted); margin: .9rem 0 1.2rem; }
.track-card .scale-row { display: flex; align-items: center; justify-content: space-between; gap: 1rem; margin-top: auto; padding-top: 1.1rem; border-top: 1px solid var(--line); }
.track-card .cta { margin-top: 1.15rem; }
.tracks-more { text-align: center; margin-top: 2rem; font-size: var(--fs-sm); color: var(--muted); }

/* ---- Levels — calibrated ruler ---- */
.ruler-wrap { margin-top: 3.2rem; }
.ruler-bars { display: grid; grid-template-columns: repeat(5, 1fr); align-items: end; column-gap: 1rem; }
.ruler-bars .b { display: flex; flex-direction: column; align-items: center; gap: .55rem; }
.ruler-bars .b .num { font-family: var(--font-mono); font-size: .95rem; color: var(--ink-2); }
.ruler-bars .b .stem { width: 2px; background: var(--brass); position: relative; }
.ruler-bars .b .stem::before { content: ""; position: absolute; top: -4px; left: 50%; transform: translateX(-50%); width: 6px; height: 6px; border-radius: 50%; background: var(--brass); }
.ruler-bars .b:nth-child(1) .stem { height: 18px; }
.ruler-bars .b:nth-child(2) .stem { height: 32px; }
.ruler-bars .b:nth-child(3) .stem { height: 46px; }
.ruler-bars .b:nth-child(4) .stem { height: 60px; }
.ruler-bars .b:nth-child(5) .stem { height: 74px; }
.ruler-base { height: 2px; background: var(--brass); }
.ruler-labels { display: grid; grid-template-columns: repeat(5, 1fr); column-gap: 1rem; margin-top: 1rem; }
.ruler-labels .l { text-align: center; }
.ruler-labels .l .nm { font-family: var(--font-display); font-size: var(--fs-md); color: var(--ink-2); }
.ruler-labels .l .ds { font-size: var(--fs-xs); color: var(--muted); margin-top: .2rem; }

/* ---- Testimonials ---- */
.quotes { display: grid; grid-template-columns: 1fr 1fr; gap: 0; margin-top: 3rem; border: 1px solid var(--line); border-radius: var(--r-lg); overflow: hidden; background: var(--surface); }
.quote { padding: 2.4rem 2.2rem; }
.quote + .quote { border-left: 1px solid var(--line); }
.quote p { font-family: var(--font-display); font-size: var(--fs-lg); color: var(--ink-2); line-height: 1.42; margin: 0 0 1.5rem; }
.quote .by { display: flex; align-items: center; gap: .85rem; }
.quote .mono-circ { width: 2.6rem; height: 2.6rem; border-radius: 50%; border: 1px solid var(--brass); color: var(--brass-deep); display: grid; place-items: center; font-family: var(--font-mono); font-size: .72rem; letter-spacing: .04em; flex: none; }
.quote .by .nm { font-weight: 600; color: var(--ink-2); font-size: var(--fs-sm); }
.quote .by .rl { font-size: var(--fs-xs); color: var(--muted); margin-top: .1rem; }

/* ---- About ---- */
.about-grid { display: grid; grid-template-columns: .85fr 1.15fr; gap: 3.4rem; align-items: center; }
.about-seal { display: flex; justify-content: center; }
.about-seal .seal { filter: drop-shadow(0 18px 30px rgba(8,38,42,.16)); }
.about blockquote { margin: 1.4rem 0 0; font-family: var(--font-display); font-style: italic; font-size: var(--fs-lg); color: var(--ink-2); line-height: 1.42; border-left: 2px solid var(--brass); padding-left: 1.3rem; }

/* ---- CTA band ---- */
.cta-band { position: relative; overflow: hidden; background: var(--ink); color: #fff; border-radius: var(--r-lg); padding: 3.4rem; display: flex; align-items: center; justify-content: space-between; gap: 2rem; flex-wrap: wrap; box-shadow: 0 30px 60px -30px rgba(8,38,42,.7); }
.cta-band h3 { color: #fff; margin: .5rem 0 .4rem; font-size: var(--fs-2xl); }
.cta-band p { color: var(--on-dark-muted); margin: 0; font-family: var(--font-mono); font-size: .72rem; letter-spacing: .1em; text-transform: uppercase; }
.cta-band .gl { position: absolute; inset: auto -20px -30px auto; width: 340px; opacity: .12; }
.cta-band > * { position: relative; }

/* ---- Entrance motion ---- */
@keyframes rise { from { opacity: 0; transform: translateY(16px); } to { opacity: 1; transform: none; } }
.rise { animation: rise .75s cubic-bezier(.2,.7,.3,1) both; }
.rise.d1 { animation-delay: .09s; }
.rise.d2 { animation-delay: .18s; }
.rise.d3 { animation-delay: .27s; }

/* ---- Responsive ---- */
@media (max-width: 920px) {
  .hero-grid, .about-grid { grid-template-columns: 1fr; gap: 2.8rem; }
  .why-grid { grid-template-columns: 1fr; gap: 1.6rem; }
  .why-col { padding-top: 1rem; }
  .cert-grid { grid-template-columns: 1fr 1fr; }
  .facts .grid { grid-template-columns: 1fr 1fr; }
  .fact:nth-child(3) { border-left: 0; }
  .quotes { grid-template-columns: 1fr; }
  .quote + .quote { border-left: 0; border-top: 1px solid var(--line); }
  .ruler-labels .l .ds { display: none; }
}
@media (max-width: 560px) {
  .cert-grid { grid-template-columns: 1fr; }
  .facts .grid { grid-template-columns: 1fr 1fr; }
  .cert .name { font-size: 1.7rem; }
  .ruler-bars { column-gap: .4rem; }
  .ruler-labels { column-gap: .4rem; }
  .ruler-labels .l .nm { font-size: .72rem; line-height: 1.2; }
  .cert { padding: 1.7rem 1.3rem 1.3rem; }
  .cert .foot { gap: .5rem; }
  .cert .foot .cell { font-size: .6rem; }
  .cert .foot .cell .v { font-size: .62rem; letter-spacing: -.01em; }
  .cert .foot .sign { font-size: 1.3rem; }
}
@media (max-width: 380px) {
  .ruler-labels .l .nm { font-size: .64rem; }
  .cert .foot .cell .v { font-size: .56rem; }
}
@media (prefers-reduced-motion: reduce) { .rise { animation: none; } }