:root {
  --bg: #edf5ff;
  --bg-soft: #ffffff;
  --ink: #0b2a57;
  --muted: #4f6990;
  --line: rgba(11, 42, 87, 0.12);
  --blue: #125fcb;
  --blue-deep: #0a3b7a;
  --blue-soft: #dcecff;
  --blue-pale: #f5faff;
  --card-shadow: 0 24px 60px rgba(10, 59, 122, 0.1);
  --radius-xl: 28px;
  --radius-lg: 22px;
  --radius-md: 16px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Manrope", sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at top left, rgba(18, 95, 203, 0.16), transparent 24rem),
    radial-gradient(circle at 85% 10%, rgba(104, 170, 255, 0.22), transparent 20rem),
    linear-gradient(180deg, #ffffff 0%, var(--bg) 46%, #e3efff 100%);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(29, 42, 47, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(29, 42, 47, 0.03) 1px, transparent 1px);
  background-size: 24px 24px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.7), transparent 90%);
}

.page-shell {
  width: min(1080px, calc(100% - 2rem));
  margin: 0 auto;
  padding: 1.5rem 0 4rem;
}

.hero,
.card,
.info-card {
  backdrop-filter: blur(10px);
}

.hero {
  position: relative;
  overflow: hidden;
  padding: 2rem;
  border: 1px solid rgba(255, 255, 255, 0.5);
  border-radius: 32px;
  background:
    linear-gradient(135deg, rgba(10, 59, 122, 0.98), rgba(18, 95, 203, 0.88)),
    linear-gradient(135deg, rgba(255, 255, 255, 0.16), transparent 55%);
  color: #ffffff;
  box-shadow: var(--card-shadow);
}

.hero-brand {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  margin-bottom: 1.4rem;
}

.hero-logo {
  width: 132px;
  height: auto;
  padding: 0.45rem 0.65rem;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.98);
  box-shadow: 0 14px 35px rgba(6, 28, 59, 0.16);
}

.hero-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(280px, 0.95fr);
  gap: 1.25rem;
  align-items: center;
}

.hero-copy-block {
  position: relative;
  z-index: 1;
}

.hero::after {
  content: "";
  position: absolute;
  inset: auto -2rem -3rem auto;
  width: 10rem;
  height: 10rem;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.28), transparent 68%);
}

.eyebrow,
.section-kicker {
  margin: 0 0 0.4rem;
  font-size: 0.84rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.eyebrow {
  color: rgba(255, 255, 255, 0.82);
}

h1,
h2,
h3 {
  margin: 0;
  font-family: "Sora", sans-serif;
  line-height: 1;
}

h1 {
  max-width: 10ch;
  font-size: clamp(2.9rem, 8vw, 5.5rem);
}

h2 {
  font-size: clamp(2rem, 5vw, 3rem);
}

h3 {
  font-size: 1.45rem;
  margin-top: 0.35rem;
}

.hero-copy,
.section-note,
p,
li {
  line-height: 1.55;
}

.hero-copy {
  max-width: 40rem;
  margin: 1.1rem 0 0;
  font-size: 1.05rem;
  color: rgba(255, 255, 255, 0.88);
}

.hero-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.4rem;
}

.hero-badges span {
  padding: 0.7rem 0.95rem;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.12);
  font-weight: 700;
}

.hero-visual {
  position: relative;
  margin: 0;
  aspect-ratio: 1 / 1;
  border-radius: 28px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.16);
  box-shadow: 0 24px 50px rgba(0, 0, 0, 0.16);
}

.hero-visual img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
}

main {
  display: grid;
  gap: 1rem;
  margin-top: 1rem;
}

.card {
  padding: 1.5rem;
  border: 1px solid rgba(255, 255, 255, 0.55);
  border-radius: var(--radius-xl);
  background: rgba(255, 255, 255, 0.84);
  box-shadow: var(--card-shadow);
}

.intro {
  display: grid;
  gap: 1rem;
}

.mobile-sections {
  display: none;
}

.mobile-video {
  display: none;
}

.video-card {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
  gap: 1.2rem;
  align-items: center;
}

.video-copy p:last-child {
  margin-bottom: 0;
}

.video-frame {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 24px;
  background: #dcecff;
  box-shadow: 0 18px 38px rgba(10, 59, 122, 0.14);
}

.video-frame video {
  display: block;
  width: 100%;
  height: auto;
  background: #0a3b7a;
}

.grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.info-card {
  position: relative;
  overflow: hidden;
  padding: 1.5rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  box-shadow: var(--card-shadow);
}

.accent-sand {
  background: linear-gradient(180deg, rgba(220, 236, 255, 0.98), rgba(255, 255, 255, 0.95));
}

.accent-blue {
  background: linear-gradient(180deg, rgba(18, 95, 203, 0.14), rgba(255, 255, 255, 0.95));
}

.info-card::after {
  content: "";
  position: absolute;
  right: -2rem;
  bottom: -2rem;
  width: 7rem;
  height: 7rem;
  border-radius: 50%;
  background: rgba(18, 95, 203, 0.08);
}

ul {
  margin: 1rem 0 0;
  padding-left: 1.2rem;
}

.section-head,
.cta {
  display: flex;
  gap: 1rem;
  align-items: start;
  justify-content: space-between;
}

.section-note {
  margin: 0.35rem 0 0;
  color: var(--muted);
}

.accordion-list {
  display: grid;
  gap: 0.85rem;
  margin-top: 1.2rem;
}

details {
  padding: 1rem 1.1rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: rgba(245, 250, 255, 0.9);
  transition: transform 180ms ease, background 180ms ease;
}

details[open] {
  background: rgba(255, 255, 255, 1);
  transform: translateY(-2px);
}

summary {
  cursor: pointer;
  list-style: none;
  font-weight: 700;
}

summary::-webkit-details-marker {
  display: none;
}

summary::after {
  content: "+";
  float: right;
  font-size: 1.25rem;
  line-height: 1;
}

details[open] summary::after {
  content: "−";
}

details p {
  margin: 0.9rem 0 0;
  color: var(--muted);
}

details ul {
  margin: 0.85rem 0 0;
  color: var(--muted);
}

.timeline-track {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.9rem;
  margin-top: 1.2rem;
}

.timeline-step {
  min-height: 100%;
  padding: 1rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: rgba(245, 250, 255, 0.95);
}

.timeline-date {
  display: inline-block;
  margin-bottom: 0.6rem;
  padding: 0.35rem 0.65rem;
  border-radius: 999px;
  background: var(--blue-deep);
  color: #fff;
  font-size: 0.9rem;
  font-weight: 700;
}

.cta {
  align-items: center;
}

.cta-actions {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  align-items: stretch;
}

.ghost-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  min-width: 18rem;
  padding: 0.95rem 1.1rem;
  border: 1px solid var(--blue);
  border-radius: 999px;
  background: #ffffff;
  color: var(--blue-deep);
  font: inherit;
  font-weight: 700;
  text-align: center;
  text-decoration: none;
  cursor: pointer;
  transition: transform 180ms ease, background 180ms ease, color 180ms ease;
}

.ghost-button:hover,
.ghost-button:focus-visible {
  color: #fff;
  background: var(--blue);
  transform: translateY(-1px);
}

.ghost-button.is-copied {
  border-color: var(--blue-deep);
  background: var(--blue-deep);
  color: #ffffff;
}

.ghost-button-secondary {
  border-color: rgba(18, 95, 203, 0.18);
  background: rgba(220, 236, 255, 0.5);
}

@media (max-width: 800px) {
  .page-shell {
    width: min(100%, calc(100% - 1rem));
    padding: 0.5rem 0 2rem;
  }

  .desktop-section {
    display: none;
  }

  .mobile-sections {
    display: grid;
    gap: 1rem;
  }

  .mobile-video {
    display: grid;
    gap: 0.9rem;
  }

  .grid,
  .video-card,
  .timeline-track,
  .cta,
  .section-head {
    grid-template-columns: 1fr;
    flex-direction: column;
  }

  .cta {
    align-items: stretch;
  }

  .hero {
    padding: 1rem;
    border-radius: 28px;
  }

  .hero-layout {
    grid-template-columns: 1fr;
    gap: 0.95rem;
    justify-items: center;
  }

  .hero-logo {
    width: 102px;
  }

  .hero-visual {
    width: 100%;
    max-width: 100%;
    aspect-ratio: 16 / 10;
    order: -1;
  }

  .hero-copy-block {
    width: 100%;
  }

  .hero-brand {
    margin-bottom: 0.85rem;
  }

  h1 {
    max-width: none;
    font-size: clamp(3rem, 15vw, 4.2rem);
  }

  h2 {
    font-size: clamp(1.7rem, 9vw, 2.35rem);
  }

  .hero-copy {
    margin-top: 0.8rem;
    font-size: 0.98rem;
  }

  .hero-badges {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, max-content));
    gap: 0.65rem;
    margin-top: 1rem;
  }

  .hero-badges span {
    padding: 0.62rem 0.9rem;
    font-size: 0.98rem;
  }

  .hero-badges span:last-child {
    grid-column: 1 / -1;
    width: fit-content;
  }

  .card,
  .info-card {
    padding: 1.15rem;
    border-radius: 24px;
  }

  .section-kicker,
  .eyebrow {
    font-size: 0.78rem;
  }

  .mobile-sections .section-note {
    margin-top: 0.2rem;
  }

  details {
    padding: 0.95rem 1rem;
  }

  summary {
    font-size: 1.02rem;
  }

  .video-frame-mobile {
    margin-top: 0.35rem;
  }

  .cta p {
    margin-bottom: 0;
  }

  .cta-actions {
    width: 100%;
  }

  .ghost-button {
    width: 100%;
    min-width: 0;
  }
}

@media (prefers-reduced-motion: no-preference) {
  .hero,
  .card,
  .info-card {
    animation: rise-in 650ms ease both;
  }

  .card:nth-of-type(2),
  .grid .info-card:last-child,
  .timeline {
    animation-delay: 110ms;
  }

  .highlights,
  .cta {
    animation-delay: 170ms;
  }
}

@keyframes rise-in {
  from {
    opacity: 0;
    transform: translateY(18px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}
