/* ============== Buttons ============== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  padding: 0.95rem 1.7rem;
  font-weight: 600;
  font-size: var(--fs-sm);
  letter-spacing: 0.08em;
  border-radius: 999px;
  border: 1.5px solid transparent;
  transition: transform 0.25s var(--ease-out),
    box-shadow 0.25s var(--ease-out),
    background-color 0.25s var(--ease-out), color 0.25s var(--ease-out),
    border-color 0.25s var(--ease-out);
  cursor: pointer;
  white-space: nowrap;
  will-change: transform;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn--primary {
  background: linear-gradient(135deg, var(--c-emerald-600), var(--c-emerald-500));
  color: var(--c-white);
  box-shadow: 0 12px 24px rgba(16, 185, 129, 0.28);
}

.btn--primary:hover {
  color: var(--c-white);
  box-shadow: 0 18px 32px rgba(16, 185, 129, 0.4);
}

.btn--ghost {
  background: transparent;
  color: var(--c-white);
  border-color: rgba(255, 255, 255, 0.6);
}

.btn--ghost:hover {
  background: rgba(255, 255, 255, 0.12);
  color: var(--c-white);
  border-color: var(--c-white);
}

.btn--outline {
  background: transparent;
  color: var(--c-navy-700);
  border-color: var(--c-navy-700);
}

.btn--outline:hover {
  background: var(--c-navy-700);
  color: var(--c-white);
}

.btn--text {
  padding: 0.5rem 0;
  background: none;
  color: var(--c-emerald-700);
  border: 0;
  border-radius: 0;
  font-weight: 600;
}

.btn--text::after {
  content: "→";
  margin-left: 0.4rem;
  transition: transform 0.3s var(--ease-out);
}

.btn--text:hover::after {
  transform: translateX(6px);
}

.btn-icon {
  width: 16px;
  height: 16px;
}

/* ============== Header ============== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 60;
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: saturate(160%) blur(14px);
  -webkit-backdrop-filter: saturate(160%) blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s var(--ease-out),
    background-color 0.3s var(--ease-out), box-shadow 0.3s var(--ease-out);
}

.site-header.is-scrolled {
  border-color: var(--c-border);
  box-shadow: 0 6px 18px rgba(15, 23, 42, 0.06);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  height: var(--header-height);
}

.site-logo {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  color: var(--c-navy-700);
}

.site-logo img {
  width: 38px;
  height: 38px;
  object-fit: contain;
}

.site-logo__brand {
  font-size: 1.05rem;
  letter-spacing: 0.22em;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.site-nav__list {
  display: flex;
  gap: 0.2rem;
  align-items: center;
}

.site-nav__item a {
  display: inline-flex;
  align-items: center;
  padding: 0.55rem 0.85rem;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--c-navy-800);
  letter-spacing: 0.08em;
  position: relative;
}

.site-nav__item a::after {
  content: "";
  position: absolute;
  left: 0.85rem;
  right: 0.85rem;
  bottom: 0.3rem;
  height: 2px;
  border-radius: 2px;
  background: var(--c-emerald-500);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s var(--ease-out);
}

.site-nav__item a:hover,
.site-nav__item a.is-active {
  color: var(--c-emerald-700);
}

.site-nav__item a:hover::after,
.site-nav__item a.is-active::after {
  transform: scaleX(1);
}

.site-nav__cta {
  margin-left: 0.6rem;
  padding: 0.65rem 1.2rem;
  font-size: 0.82rem;
  letter-spacing: 0.12em;
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  background: var(--c-navy-50);
  position: relative;
}

.nav-toggle span,
.nav-toggle span::before,
.nav-toggle span::after {
  content: "";
  display: block;
  width: 22px;
  height: 2px;
  background: var(--c-navy-800);
  border-radius: 2px;
  transition: transform 0.3s var(--ease-out), opacity 0.2s var(--ease-out);
}

.nav-toggle span {
  position: relative;
}

.nav-toggle span::before {
  position: absolute;
  top: -7px;
  left: 0;
}

.nav-toggle span::after {
  position: absolute;
  top: 7px;
  left: 0;
}

.nav-toggle[aria-expanded="true"] span {
  background: transparent;
}

.nav-toggle[aria-expanded="true"] span::before {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] span::after {
  transform: translateY(-7px) rotate(-45deg);
}

/* backdrop-filter on header makes position:fixed descendants use the header as
   containing block (tiny height) — breaks full-screen mobile menu */
@media (max-width: 1024px) {
  /* Drawer + backdrop sit below the bar so logo / close stay tappable */
  .site-header {
    z-index: 1100;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    background: rgba(255, 255, 255, 0.98);
  }

  .site-header.is-nav-open {
    box-shadow: 0 4px 24px rgba(15, 23, 42, 0.12);
  }

  .nav-toggle {
    display: inline-flex;
    position: relative;
    z-index: 1002;
    flex-shrink: 0;
  }

  .site-nav {
    position: fixed;
    left: 0;
    right: 0;
    top: var(--header-height);
    bottom: 0;
    width: 100%;
    max-width: 100vw;
    min-height: calc(100dvh - var(--header-height));
    min-height: calc(100vh - var(--header-height));
    background: var(--c-white);
    flex-direction: column;
    justify-content: flex-start;
    align-items: stretch;
    padding: 0.75rem 1.25rem calc(1.5rem + env(safe-area-inset-bottom, 0px));
    transform: translateY(-8px);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity 0.28s var(--ease-out), transform 0.28s var(--ease-out),
      visibility 0.28s;
    overflow-y: auto;
    overflow-x: hidden;
    -webkit-overflow-scrolling: touch;
    z-index: 1001;
    box-shadow: inset 0 1px 0 var(--c-border);
  }

  .site-nav.is-open {
    opacity: 1;
    visibility: visible;
    transform: none;
    pointer-events: auto;
  }

  .site-nav__list {
    flex-direction: column;
    align-items: stretch;
    width: 100%;
    gap: 0;
    flex-shrink: 0;
  }

  .site-nav__item {
    width: 100%;
  }

  .site-nav__item a {
    display: flex;
    align-items: center;
    min-height: 48px;
    padding: 0.85rem 0.25rem;
    font-size: 1rem;
    border-bottom: 1px solid var(--c-border);
    width: 100%;
    box-sizing: border-box;
  }

  .site-nav__item a::after {
    display: none;
  }

  .site-nav__cta {
    margin: 1.25rem 0 0;
    width: 100%;
    max-width: 100%;
    justify-content: center;
    box-sizing: border-box;
  }
}

/* Dimmed overlay behind drawer (inserted by JS after <header>) */
.nav-backdrop {
  display: none;
  position: fixed;
  inset: 0;
  top: var(--header-height);
  z-index: 1000;
  background: rgba(11, 31, 58, 0.45);
  -webkit-tap-highlight-color: transparent;
}

.nav-backdrop.is-visible {
  display: block;
}

body.is-nav-open {
  overflow: hidden;
  touch-action: none;
}

body.is-nav-open main {
  pointer-events: none;
}

body.is-nav-open .back-to-top {
  opacity: 0 !important;
  visibility: hidden !important;
  pointer-events: none;
}

@media (min-width: 1025px) {
  .nav-backdrop {
    display: none !important;
  }
}

/* Back to top */
.back-to-top {
  position: fixed;
  right: max(1rem, env(safe-area-inset-right, 0px));
  bottom: max(1rem, env(safe-area-inset-bottom, 0px));
  z-index: 900;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--c-navy-700), var(--c-navy-800));
  color: var(--c-white);
  box-shadow: var(--shadow-lg);
  border: 1px solid rgba(255, 255, 255, 0.12);
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition: opacity 0.3s var(--ease-out), transform 0.3s var(--ease-out),
    visibility 0.3s;
}

.back-to-top.is-visible {
  opacity: 1;
  visibility: visible;
  transform: none;
}

.back-to-top:hover {
  color: var(--c-white);
  background: linear-gradient(135deg, var(--c-emerald-700), var(--c-navy-700));
}

.back-to-top svg {
  width: 22px;
  height: 22px;
}

@media (min-width: 1025px) {
  .back-to-top {
    right: 1.5rem;
    bottom: 1.5rem;
  }
}

/* ============== Cards ============== */
.card {
  background: var(--c-white);
  border-radius: var(--radius-lg);
  border: 1px solid var(--c-border);
  overflow: hidden;
  transition: transform 0.35s var(--ease-out), box-shadow 0.35s var(--ease-out),
    border-color 0.35s var(--ease-out);
  display: flex;
  flex-direction: column;
}

.card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(16, 185, 129, 0.35);
}

.card__media {
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: var(--c-navy-50);
}

.card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s var(--ease-out);
}

.card:hover .card__media img {
  transform: scale(1.06);
}

.card__body {
  padding: 1.4rem 1.5rem 1.6rem;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
}

.card__tag {
  display: inline-block;
  align-self: flex-start;
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  padding: 0.25rem 0.65rem;
  background: var(--c-navy-50);
  color: var(--c-navy-700);
  border-radius: 999px;
  text-transform: uppercase;
  font-weight: 600;
}

.card__title {
  font-size: var(--fs-md);
  font-weight: 700;
  color: var(--c-navy-800);
}

.card__text {
  font-size: var(--fs-sm);
  color: var(--c-text-muted);
}

.card__meta {
  margin-top: auto;
  font-size: 0.78rem;
  color: var(--c-text-soft);
  letter-spacing: 0.08em;
}

/* ============== Placeholder media ============== */
.media-frame {
  position: relative;
  width: 100%;
  background: linear-gradient(135deg, #eef3fb, #dbe6f3);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--c-navy-700);
  border: 1px dashed rgba(26, 54, 93, 0.35);
}

.media-frame::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(45deg, rgba(26, 54, 93, 0.05) 25%, transparent 25%),
    linear-gradient(-45deg, rgba(26, 54, 93, 0.05) 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, rgba(26, 54, 93, 0.05) 75%),
    linear-gradient(-45deg, transparent 75%, rgba(26, 54, 93, 0.05) 75%);
  background-size: 22px 22px;
  background-position: 0 0, 0 11px, 11px -11px, -11px 0;
  opacity: 0.6;
  pointer-events: none;
}

.media-frame__label {
  position: relative;
  z-index: 1;
  text-align: center;
  padding: 1rem 1.5rem;
  background: rgba(255, 255, 255, 0.88);
  border-radius: var(--radius-md);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  color: var(--c-navy-800);
  box-shadow: var(--shadow-sm);
  max-width: 80%;
}

.media-frame__label span {
  display: block;
  font-size: 0.7rem;
  font-weight: 500;
  color: var(--c-text-muted);
  margin-top: 0.25rem;
  letter-spacing: 0.04em;
}

.media-frame--16x9 {
  aspect-ratio: 16 / 9;
}

.media-frame--4x3 {
  aspect-ratio: 4 / 3;
}

.media-frame--1x1 {
  aspect-ratio: 1 / 1;
}

.media-frame--video::after {
  content: "";
  position: absolute;
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.95) url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%23047857'><path d='M8 5v14l11-7z'/></svg>")
    center / 26px no-repeat;
  box-shadow: var(--shadow-md);
  z-index: 2;
}

/* ============== Footer ============== */
.site-footer {
  background: var(--c-navy-900);
  color: rgba(255, 255, 255, 0.75);
  padding-block: 4rem 2rem;
  font-size: 0.875rem;
}

.site-footer a {
  color: rgba(255, 255, 255, 0.75);
}

.site-footer a:hover {
  color: var(--c-emerald-400);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr repeat(3, 1fr);
  gap: 2.5rem;
}

.footer-brand p {
  color: rgba(255, 255, 255, 0.65);
  font-size: 0.85rem;
  margin-top: 1rem;
  line-height: 1.8;
}

.footer-brand .site-logo__brand,
.footer-brand .site-logo {
  color: var(--c-white);
}

.footer-col h4 {
  font-size: 0.8rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--c-emerald-400);
  margin-bottom: 1rem;
}

.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
}

.footer-bottom {
  margin-top: 3rem;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.78rem;
  color: rgba(255, 255, 255, 0.55);
}

.footer-bottom__links {
  display: flex;
  gap: 1.4rem;
}

@media (max-width: 880px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 540px) {
  .footer-grid {
    grid-template-columns: 1fr;
  }
}

/* ============== Reveal animation ============== */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out);
}

.reveal.is-visible {
  opacity: 1;
  transform: none;
}

.reveal[data-delay="1"] {
  transition-delay: 0.1s;
}

.reveal[data-delay="2"] {
  transition-delay: 0.2s;
}

.reveal[data-delay="3"] {
  transition-delay: 0.3s;
}

.reveal[data-delay="4"] {
  transition-delay: 0.4s;
}

.reveal[data-delay="5"] {
  transition-delay: 0.5s;
}

/* ============== Page hero ============== */
.page-hero {
  position: relative;
  padding: calc(var(--header-height) + 3rem) 0 4rem;
  background: linear-gradient(135deg, var(--c-navy-900), var(--c-navy-700) 60%, var(--c-navy-600));
  color: var(--c-white);
  overflow: hidden;
}

.page-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(
    circle at 80% 20%,
    rgba(16, 185, 129, 0.18),
    transparent 50%
  );
  pointer-events: none;
}

.page-hero__inner {
  position: relative;
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  align-items: center;
}

.page-hero__eyebrow {
  font-size: 0.78rem;
  letter-spacing: 0.4em;
  color: var(--c-emerald-400);
  font-weight: 600;
  text-transform: uppercase;
}

.page-hero__title {
  color: var(--c-white);
  font-size: var(--fs-3xl);
}

.page-hero__lead {
  max-width: 720px;
  color: rgba(255, 255, 255, 0.82);
}

.breadcrumb {
  display: flex;
  gap: 0.5rem;
  align-items: center;
  justify-content: center;
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  color: rgba(255, 255, 255, 0.6);
  margin-bottom: 1rem;
}

.breadcrumb a:hover {
  color: var(--c-emerald-400);
}

.breadcrumb span[aria-hidden="true"] {
  color: rgba(255, 255, 255, 0.35);
}