:root {
  --ink: #0c1412;
  --paper: #e8efe9;
  --muted: #5a6b62;
  --line: rgba(12, 20, 18, 0.12);
  --teal: #0d5c4d;
  --teal-deep: #083d34;
  --signal: #c4a35a;
  --panel: #f3f7f4;
  --max: 920px;
  --sans: "DM Sans", system-ui, sans-serif;
  --display: "Fraunces", Georgia, serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--sans);
  color: var(--ink);
  background: var(--paper);
  line-height: 1.55;
}
a { color: var(--teal); }
.skip {
  position: absolute; left: -999px; top: 0;
  background: var(--ink); color: #fff; padding: .5rem 1rem;
}
.skip:focus { left: 0; z-index: 100; }

.top {
  position: sticky; top: 0; z-index: 40;
  display: flex; align-items: center; justify-content: space-between;
  gap: 1rem; padding: .85rem 1.25rem;
  background: rgba(232, 239, 233, 0.92);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(8px);
}
.brand { text-decoration: none; color: var(--ink); display: flex; flex-direction: column; line-height: 1.15; }
.brand-mark { font-family: var(--display); font-weight: 700; font-size: 1.15rem; letter-spacing: -.02em; }
.brand small { font-size: .68rem; color: var(--muted); font-weight: 600; letter-spacing: .04em; }
.top nav { display: flex; flex-wrap: wrap; gap: .65rem 1rem; align-items: center; font-size: .88rem; }
.top nav a { text-decoration: none; color: var(--muted); font-weight: 600; }
.top nav a:hover { color: var(--ink); }
.nav-cta {
  background: var(--teal) !important; color: #fff !important;
  padding: .4rem .75rem; border-radius: 2px;
}

.hero {
  position: relative;
  min-height: min(100svh, 780px);
  display: flex; align-items: flex-end;
  padding: 4rem 1.25rem 3rem;
  color: #eef5f1;
  overflow: hidden;
  isolation: isolate;
  background: linear-gradient(180deg, #051412 0%, #0a2a24 45%, #0c1c18 100%);
}
.hero-stars {
  position: absolute; inset: 0; z-index: 0;
  width: 100%; height: 100%;
  pointer-events: none;
  opacity: .45;
}
.city-stage {
  position: absolute; inset: 0; z-index: 1; pointer-events: none;
}
@media (max-width: 720px) {
  .city-stage { opacity: .7; }
}
.city-glow {
  position: absolute; right: 0; bottom: 0;
  width: min(72vw, 720px); height: min(45vh, 340px);
  background: radial-gradient(ellipse at 60% 100%, rgba(61,214,140,.22), transparent 65%);
  filter: blur(8px);
  animation: cityGlow 6s ease-in-out infinite;
}
.city-skyline {
  position: absolute; right: 0; bottom: 0;
  width: min(72vw, 720px); height: min(48vh, 380px);
  filter: drop-shadow(0 -8px 24px rgba(0,0,0,.45));
}
.city-windows .w { animation: windowBlink 3.2s ease-in-out infinite; }
.city-windows .w:nth-child(3n) { animation-delay: .4s; }
.city-windows .w:nth-child(3n+1) { animation-delay: 1.1s; }
.city-windows .w:nth-child(3n+2) { animation-delay: 1.9s; }
.city-windows .w:nth-child(5n) { animation-duration: 4.5s; fill: #e8c07a; }

.city-pins { position: absolute; inset: 0; }
.pin {
  position: absolute; border: 0; background: transparent; padding: 0;
  display: flex; flex-direction: column; align-items: center; gap: .35rem;
  z-index: 2;
}
.pin--1 { left: 42%; top: 10%; animation: pinPop 5s ease-in-out infinite; }
.pin--2 { left: 58%; top: 6%; animation: pinPop 5s .5s ease-in-out infinite; }
.pin--3 { left: 74%; top: 12%; animation: pinPop 5s 1s ease-in-out infinite; }
.pin--4 { left: 48%; top: 22%; animation: pinPop 5s 1.4s ease-in-out infinite; }
.pin--5 { left: 66%; top: 20%; animation: pinPop 5s 1.9s ease-in-out infinite; }
.pin--6 { left: 82%; top: 26%; animation: pinPop 5s 2.3s ease-in-out infinite; }

.pin-dot {
  width: 12px; height: 12px; border-radius: 50%;
  background: #3dd68c;
  box-shadow: 0 0 0 6px rgba(61,214,140,.2), 0 0 18px rgba(61,214,140,.6);
  animation: pinPulse 2.2s ease-in-out infinite;
}
.pin--2 .pin-dot {
  background: #e8c07a;
  box-shadow: 0 0 0 6px rgba(232,192,122,.2), 0 0 18px rgba(232,192,122,.55);
}
.pin--3 .pin-dot {
  background: #7eb6ff;
  box-shadow: 0 0 0 6px rgba(126,182,255,.2), 0 0 18px rgba(126,182,255,.5);
}
.pin--4 .pin-dot {
  background: #c4a574;
  box-shadow: 0 0 0 6px rgba(196,165,116,.2), 0 0 18px rgba(196,165,116,.5);
}
.pin--5 .pin-dot {
  background: #ff8a7a;
  box-shadow: 0 0 0 6px rgba(255,138,122,.2), 0 0 18px rgba(255,138,122,.5);
}
.pin--6 .pin-dot {
  background: #9ad8ff;
  box-shadow: 0 0 0 6px rgba(154,216,255,.2), 0 0 18px rgba(154,216,255,.5);
}
.pin-label {
  font-family: var(--display);
  font-size: .68rem; font-weight: 600;
  color: #f4faf6;
  background: rgba(8,16,12,.82);
  border: 1px solid rgba(232,240,234,.12);
  padding: .35rem .55rem;
  max-width: 11rem;
  line-height: 1.25;
  text-align: center;
  backdrop-filter: blur(6px);
}
@media (max-width: 720px) { .pin-label { display: none; } }

.city-road {
  position: absolute; right: 0; bottom: 6%;
  width: min(72vw, 720px); height: 2px;
  background: linear-gradient(90deg, transparent, rgba(232,192,122,.35), transparent);
}
.car {
  position: absolute; width: 18px; height: 4px; border-radius: 2px;
  background: #e8c07a; box-shadow: 0 0 12px rgba(232,192,122,.8);
  top: -1px; animation: carDrive 9s linear infinite;
}

.hero-inner {
  position: relative; z-index: 3;
  max-width: var(--max); margin: 0 auto; width: 100%;
}
.eyebrow {
  font-size: .72rem; letter-spacing: .14em; text-transform: uppercase;
  color: rgba(196, 163, 90, 0.95); font-weight: 700; margin: 0 0 .75rem;
}
.brand-hero {
  font-family: var(--display);
  font-size: clamp(2.8rem, 9vw, 4.6rem);
  margin: 0 0 .6rem; letter-spacing: -.03em; line-height: 1;
  font-weight: 700;
}
.lede {
  max-width: 34rem; margin: 0 0 1.5rem;
  font-size: 1.08rem; color: rgba(238, 245, 241, 0.88);
}
.lede strong { color: #fff; font-weight: 600; }
.lede em { font-style: italic; color: var(--signal); }
.hero-actions { display: flex; flex-wrap: wrap; gap: .65rem; margin-bottom: 1.5rem; }
.hero-sponsors {
  font-size: .85rem; color: rgba(238, 245, 241, 0.65); margin: 0;
}
.hero-sponsors a { color: #fff; }

@keyframes windowBlink {
  0%, 100% { opacity: .25; }
  40% { opacity: .9; }
  70% { opacity: .4; }
}
@keyframes pinPulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.15); }
}
@keyframes pinPop {
  0%, 100% { opacity: .55; transform: translateY(0); }
  40% { opacity: 1; transform: translateY(-4px); }
}
@keyframes cityGlow {
  0%, 100% { opacity: .7; }
  50% { opacity: 1; }
}
@keyframes carDrive {
  0% { left: 5%; opacity: 0; }
  8% { opacity: 1; }
  92% { opacity: 1; }
  100% { left: 92%; opacity: 0; }
}

@media (prefers-reduced-motion: reduce) {
  .city-windows .w, .pin, .pin-dot, .car, .city-glow { animation: none !important; }
}

.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: .7rem 1.15rem; font-weight: 700; font-size: .9rem;
  text-decoration: none; border: 1px solid transparent; cursor: pointer;
  font-family: inherit; border-radius: 2px;
}
.btn-primary { background: var(--signal); color: var(--ink); }
.btn-primary:hover { filter: brightness(1.06); }
.btn-ghost { background: transparent; color: #fff; border-color: rgba(255,255,255,.35); }
.btn-ghost:hover { border-color: #fff; }
.partner .btn-primary { border: 0; }

.strip {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: center;
  gap: 1.25rem 2rem; padding: 1.25rem;
  background: #fff; border-block: 1px solid var(--line);
}
.strip img { height: 36px; width: auto; max-width: 140px; object-fit: contain; }
.strip img.on-light { height: 40px; }
.strip img.fic { height: 38px; max-width: 160px; }
.strip-note { font-size: .82rem; color: var(--muted); max-width: 22rem; }

.block { max-width: var(--max); margin: 0 auto; padding: 3rem 1.25rem; }
.head h2 {
  font-family: var(--display); font-size: clamp(1.6rem, 3vw, 2rem);
  margin: 0 0 .5rem; letter-spacing: -.02em;
}
.head p { margin: 0; color: var(--muted); max-width: 40rem; }

.when-box {
  margin: 1.5rem 0 0;
  padding: 1.1rem 1.2rem;
  background: #fff;
  border-left: 4px solid var(--teal);
  border: 1px solid var(--line);
  border-left-width: 4px;
  border-left-color: var(--teal);
}
.when-box p { margin: 0 0 .55rem; font-size: .92rem; color: var(--muted); }
.when-box p:last-child { margin: 0; }

.pillars {
  list-style: none; margin: 2rem 0 0; padding: 0;
  display: grid; gap: 1rem;
}
@media (min-width: 720px) {
  .pillars { grid-template-columns: repeat(3, 1fr); }
}
.pillars li {
  background: var(--panel); border: 1px solid var(--line);
  padding: 1.15rem 1.2rem;
}
.pillars .k {
  display: block; font-size: .7rem; letter-spacing: .1em; text-transform: uppercase;
  color: var(--teal); font-weight: 700; margin-bottom: .4rem;
}
.pillars strong { display: block; margin-bottom: .35rem; }
.pillars p { margin: 0; font-size: .92rem; color: var(--muted); }

.demos { background: transparent; }
.demo-list {
  list-style: none; margin: 1.75rem 0 0; padding: 0;
  display: grid; gap: .65rem;
}
@media (min-width: 640px) {
  .demo-list { grid-template-columns: 1fr 1fr; }
}
.demo-list li {
  display: flex; flex-direction: column; gap: .2rem;
  padding: 1rem 1.1rem; background: #fff; border-left: 3px solid var(--teal);
}
.demo-list span { font-size: .85rem; color: var(--muted); }
.more { margin: 1.25rem 0 0; font-size: .9rem; color: var(--muted); }

.auspicio .tiers {
  display: grid; gap: 1rem; margin-top: 1.75rem;
}
@media (min-width: 720px) {
  .auspicio .tiers { grid-template-columns: repeat(3, 1fr); }
}
.tiers article {
  padding: 1.15rem; background: #fff; border: 1px solid var(--line);
}
.tiers h3 {
  font-size: .78rem; letter-spacing: .08em; text-transform: uppercase;
  color: var(--teal); margin: 0 0 .5rem;
}
.tiers p { margin: 0; font-size: .92rem; color: var(--muted); }

.partner {
  background: linear-gradient(180deg, #dfeae3 0%, var(--paper) 100%);
  max-width: none; padding-left: 0; padding-right: 0;
}
.partner .head,
.partner-form { max-width: var(--max); margin-left: auto; margin-right: auto; padding-left: 1.25rem; padding-right: 1.25rem; }

.partner-form {
  margin-top: 1.5rem; display: grid; gap: 1rem;
  background: #fff; border: 1px solid var(--line); padding: 1.35rem 1.25rem 1.5rem;
}
.partner-form .row {
  display: grid; gap: 1rem;
}
@media (min-width: 560px) {
  .partner-form .row { grid-template-columns: 1fr 1fr; }
}
.partner-form label {
  display: grid; gap: .35rem; font-size: .82rem; font-weight: 600; color: var(--ink);
}
.partner-form .opt { font-weight: 400; color: var(--muted); }
.partner-form input[type="text"],
.partner-form input[type="email"],
.partner-form input[type="tel"],
.partner-form textarea {
  font: inherit; padding: .65rem .7rem; border: 1px solid var(--line);
  background: var(--panel); color: var(--ink); border-radius: 2px;
}
.partner-form fieldset {
  border: 1px solid var(--line); margin: 0; padding: .85rem 1rem 1rem;
}
.partner-form legend { font-size: .82rem; font-weight: 700; padding: 0 .35rem; }
.partner-form .check {
  display: flex; align-items: center; gap: .5rem;
  font-weight: 500; margin: .35rem 0; font-size: .9rem;
}
.form-note { min-height: 1.2em; font-size: .88rem; color: var(--teal-deep); margin: 0; }
.form-note.is-error { color: #b45309; }
.field-error { display: block; margin-top: 0.25rem; font-size: 0.8rem; color: #b45309; line-height: 1.35; }
.field-error[hidden] { display: none !important; }
.partner-form .is-invalid { border-color: #b45309 !important; }
.partner-form .btn[disabled] { opacity: 0.55; cursor: wait; }
.form-fine { font-size: .8rem; color: var(--muted); margin: 0; }

.foot {
  border-top: 1px solid var(--line);
  padding: 1.5rem 1.25rem 2.5rem;
  text-align: center; font-size: .85rem; color: var(--muted);
}
.foot .fine { font-size: .75rem; margin-top: .5rem; }
.foot p { margin: 0; }

@media (max-width: 640px) {
  .top nav a:not(.nav-cta) { display: none; }
}