/* ==========================================================================
   Layout: header, full-screen menu, footer, floating actions,
   loader, page-transition cover, scroll progress, cursor
   ========================================================================== */

/* ---------- Header ---------- */

.site-header {
  --hdr-fg: var(--ink);
  position: fixed;
  inset: 0 0 auto 0;
  z-index: var(--z-header);
  height: var(--header-h);
  color: var(--hdr-fg);
  transition: height var(--dur) var(--ease-out), color var(--dur-fast);
}

.site-header::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(16, 28, 53, 0.9);
  -webkit-backdrop-filter: blur(14px) saturate(1.2);
  backdrop-filter: blur(14px) saturate(1.2);
  border-bottom: 1px solid rgba(245, 247, 251, 0.1);
  opacity: 0;
  transition: opacity var(--dur) var(--ease-out);
}

[data-header='dark'] .site-header,
.site-header.is-scrolled,
.menu-open .site-header {
  --hdr-fg: var(--d-ink);
}

/* Without JavaScript the header cannot react to what is behind it, so it stays at the top of the page. */
.no-js .site-header {
  position: absolute;
}

.site-header.is-scrolled {
  height: calc(var(--header-h) - 22px);
}

.site-header.is-scrolled::before {
  opacity: 1;
}

.menu-open .site-header::before {
  opacity: 0;
}

.site-header__inner {
  position: relative;
  display: flex;
  align-items: center;
  gap: clamp(1rem, 2.4vw, 2.75rem);
  height: 100%;
  width: min(100% - 2 * var(--gutter), var(--maxw));
  margin-inline: auto;
}

.site-header__logo {
  display: grid;
  flex: none;
  margin-right: auto;
}

.logo {
  grid-area: 1 / 1;
  width: auto;
  height: 52px;
  transition: opacity var(--dur-fast), height var(--dur) var(--ease-out);
}

.site-header.is-scrolled .logo {
  height: 42px;
}

.logo--on-dark {
  opacity: 0;
}

[data-header='dark'] .logo--on-dark,
.site-header.is-scrolled .logo--on-dark,
.menu-open .logo--on-dark {
  opacity: 1;
}

[data-header='dark'] .logo--on-light,
.site-header.is-scrolled .logo--on-light,
.menu-open .logo--on-light {
  opacity: 0;
}

.site-nav__list {
  display: flex;
  gap: clamp(1rem, 1.7vw, 2rem);
}

.site-nav__link {
  position: relative;
  display: block;
  padding: 0.6rem 0;
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: 0.01em;
  opacity: 0.86;
  transition: opacity var(--dur-fast);
}

.site-nav__link::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0.25rem;
  height: 1px;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: right center;
  transition: transform var(--dur) var(--ease-out);
}

.site-nav__link:hover,
.site-nav__link:focus-visible,
.site-nav__link[aria-current='page'] {
  opacity: 1;
}

.site-nav__link:hover::after,
.site-nav__link:focus-visible::after {
  transform: scaleX(1);
  transform-origin: left center;
}

/* Current page: a small amber marker rather than a full underline */
.site-nav__link[aria-current='page']::before {
  content: '';
  position: absolute;
  left: 50%;
  bottom: -0.35rem;
  width: 5px;
  height: 5px;
  margin-left: -2.5px;
  background: var(--amber);
}

/* Menu toggle */
.menu-toggle {
  display: none;
  align-items: center;
  gap: 0.75rem;
  min-height: 44px;
  padding-inline: 0.25rem;
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--hdr-fg);
}

.menu-toggle__bars {
  position: relative;
  width: 28px;
  height: 12px;
}

.menu-toggle__bars span {
  position: absolute;
  left: 0;
  width: 100%;
  height: 1.5px;
  background: currentColor;
  transition: transform var(--dur) var(--ease-out), width var(--dur) var(--ease-out);
}

.menu-toggle__bars span:first-child {
  top: 0;
}

.menu-toggle__bars span:last-child {
  bottom: 0;
  width: 62%;
}

.menu-toggle:hover .menu-toggle__bars span:last-child {
  width: 100%;
}

.menu-toggle[aria-expanded='true'] .menu-toggle__bars span:first-child {
  transform: translateY(5.25px) rotate(45deg);
}

.menu-toggle[aria-expanded='true'] .menu-toggle__bars span:last-child {
  width: 100%;
  transform: translateY(-5.25px) rotate(-45deg);
}

@media (max-width: 1199px) {
  .site-nav,
  .site-header__cta {
    display: none;
  }

  .menu-toggle {
    display: inline-flex;
  }
}

@media (max-width: 767px) {
  .logo {
    height: 42px;
  }

  .site-header.is-scrolled .logo {
    height: 36px;
  }

  .site-header.is-scrolled {
    height: calc(var(--header-h) - 12px);
  }

  .menu-toggle__label {
    display: none;
  }
}

/* ---------- Full-screen menu ---------- */

.menu {
  position: fixed;
  inset: 0;
  z-index: var(--z-menu);
  color: var(--d-ink);
  --fg: var(--d-ink);
  --fg-2: var(--d-ink-2);
  --fg-3: var(--d-ink-3);
  --line: var(--d-rule);
  --line-strong: var(--d-rule-strong);
  --accent: var(--sky);
  --bg: var(--navy);
}

.menu[hidden] {
  display: none;
}

.menu__backdrop {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--navy), var(--navy-deep));
  clip-path: inset(0 0 100% 0);
  transition: clip-path 0.7s var(--ease-in-out);
}

.menu.is-open .menu__backdrop {
  clip-path: inset(0 0 0 0);
}

.menu__body {
  position: relative;
  display: grid;
  grid-template-rows: 1fr auto;
  gap: 2rem;
  height: 100%;
  padding: calc(var(--header-h) + 1.5rem) var(--gutter) max(1.75rem, env(safe-area-inset-bottom));
  overflow-y: auto;
  overscroll-behavior: contain;
}

.menu__list {
  display: grid;
  align-content: center;
  height: 100%;
  counter-reset: menu;
}

.menu__link {
  display: flex;
  align-items: baseline;
  gap: 1rem;
  padding-block: 0.3rem;
  overflow: hidden;
  font-family: var(--font-display);
  font-size: clamp(2rem, 8.4vw, 4rem);
  font-weight: 600;
  line-height: 1.12;
  letter-spacing: -0.035em;
}

.menu__link span {
  display: block;
  transform: translateY(115%);
  transition: transform 0.8s var(--ease-out), color var(--dur-fast);
}

.menu.is-open .menu__link span {
  transform: none;
}

.menu__list li:nth-child(1) span { transition-delay: 0.16s; }
.menu__list li:nth-child(2) span { transition-delay: 0.20s; }
.menu__list li:nth-child(3) span { transition-delay: 0.24s; }
.menu__list li:nth-child(4) span { transition-delay: 0.28s; }
.menu__list li:nth-child(5) span { transition-delay: 0.32s; }
.menu__list li:nth-child(6) span { transition-delay: 0.36s; }
.menu__list li:nth-child(7) span { transition-delay: 0.40s; }
.menu__list li:nth-child(8) span { transition-delay: 0.44s; }

.menu__link:hover span,
.menu__link:focus-visible span {
  color: var(--sky);
}

.menu__link[aria-current='page']::after {
  content: '';
  width: 0.5rem;
  height: 0.5rem;
  background: var(--amber);
  translate: 0 -0.5em;
}

.menu__foot {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: end;
  gap: 1.5rem 3rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--d-rule);
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.5s ease, transform 0.6s var(--ease-out);
}

.menu.is-open .menu__foot {
  opacity: 1;
  transform: none;
  transition-delay: 0.5s;
}

.menu__contact {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 2.5rem;
  font-size: var(--fs-small);
}

.menu__contact dt {
  font-size: var(--fs-label);
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--d-ink-3);
  margin-bottom: 0.2rem;
}

@media (max-width: 767px) {
  .menu__foot {
    grid-template-columns: 1fr;
    align-items: start;
  }

  .menu__foot .btn {
    justify-self: start;
  }
}

/* ---------- Social list ---------- */

.social-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.social-link {
  display: grid;
  place-items: center;
  width: 2.75rem;
  height: 2.75rem;
  border: 1px solid var(--line-strong);
  color: var(--fg);
  transition: background-color var(--dur-fast), color var(--dur-fast), border-color var(--dur-fast);
}

.social-link span {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip-path: inset(50%);
}

.social-link .icon {
  width: 1.15rem;
  height: 1.15rem;
}

a.social-link:hover,
a.social-link:focus-visible {
  background: var(--fg);
  border-color: var(--fg);
  color: var(--bg);
}

.social-link.is-pending {
  opacity: 0.55;
  border-style: dashed;
}

/* ---------- Footer ---------- */

.site-footer {
  position: relative;
  background: var(--navy-deep);
  color: var(--fg);
  padding-top: clamp(4rem, 8vw, 7.5rem);
  overflow: hidden;
}

.site-footer__top {
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 4fr) auto;
  align-items: end;
  gap: 2rem clamp(2rem, 5vw, 5rem);
  padding-bottom: clamp(3rem, 6vw, 5rem);
  border-bottom: 1px solid var(--line);
}

.site-footer__tagline {
  font-family: var(--font-display);
  font-size: clamp(2.1rem, 4.6vw, 4.5rem);
  font-weight: 600;
  line-height: 0.98;
  letter-spacing: -0.04em;
}

.site-footer__statement {
  color: var(--fg-2);
  max-width: 28em;
}

.site-footer__grid {
  display: grid;
  grid-template-columns: minmax(0, 5fr) repeat(3, minmax(0, 3fr));
  gap: 3rem clamp(1.5rem, 4vw, 4rem);
  padding-block: clamp(3rem, 6vw, 5rem);
}

.site-footer__logo {
  width: auto;
  height: 64px;
}

.site-footer__founder {
  margin-top: 2rem;
  font-size: var(--fs-small);
  color: var(--fg-3);
  line-height: 1.5;
}

.site-footer__founder strong {
  font-family: var(--font-display);
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--fg);
}

.site-footer__heading {
  margin-bottom: 1.25rem;
  font-family: var(--font-body);
  font-size: var(--fs-label);
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--fg-3);
}

.site-footer__col li + li {
  margin-top: 0.55rem;
}

.site-footer__col .link {
  color: var(--fg-2);
}

.site-footer__col .link:hover,
.site-footer__col .link[aria-current='page'] {
  color: var(--fg);
}

.site-footer__contact {
  margin-bottom: 1.5rem;
  color: var(--fg-2);
}

.site-footer__col .social-list li + li {
  margin-top: 0;
}

.site-footer__wordmark {
  display: flex;
  justify-content: center;
  padding-inline: var(--gutter);
  font-family: var(--font-display);
  font-size: 9.9vw;
  font-weight: 700;
  line-height: 0.82;
  letter-spacing: -0.045em;
  text-transform: uppercase;
  white-space: nowrap;
  user-select: none;
}

.site-footer__wordmark-line {
  --fill: 0%;
  color: transparent;
  -webkit-text-stroke: 1px rgba(86, 197, 245, 0.34);
  background: linear-gradient(90deg, var(--paper) var(--fill), transparent var(--fill));
  -webkit-background-clip: text;
  background-clip: text;
}

.no-js .site-footer__wordmark-line,
.no-gsap .site-footer__wordmark-line,
.no-motion .site-footer__wordmark-line {
  --fill: 100%;
}

.site-footer__legal {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.75rem 2rem;
  padding-block: 1.75rem 2rem;
  margin-top: clamp(2rem, 4vw, 3.5rem);
  border-top: 1px solid var(--line);
  font-size: var(--fs-small);
  color: var(--fg-3);
}

.site-footer__legal ul {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.75rem;
}

@media (max-width: 1023px) {
  .site-footer__top {
    grid-template-columns: 1fr 1fr;
  }

  .site-footer__tagline {
    grid-column: 1 / -1;
  }

  .site-footer__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .site-footer__brand {
    grid-column: 1 / -1;
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 2rem;
  }

  .site-footer__founder {
    margin-top: 0;
    text-align: right;
  }
}

@media (max-width: 767px) {
  .site-footer__top {
    grid-template-columns: 1fr;
    align-items: start;
  }

  .site-footer__top .btn {
    justify-self: start;
  }

  .site-footer__grid {
    grid-template-columns: 1fr 1fr;
  }

  .site-footer__grid > :last-child {
    grid-column: 1 / -1;
  }

  .site-footer__logo {
    height: 52px;
  }

  /* leave room for the floating WhatsApp action */
  .site-footer__legal {
    padding-bottom: 5.5rem;
  }
}

/* ---------- Floating actions ---------- */

.floating {
  position: fixed;
  right: max(1.25rem, env(safe-area-inset-right));
  bottom: max(1.25rem, env(safe-area-inset-bottom));
  z-index: var(--z-floating);
  display: grid;
  justify-items: end;
  gap: 0.6rem;
  pointer-events: none;
}

.floating > * {
  pointer-events: auto;
}

.floating__top,
.floating__whatsapp {
  display: grid;
  place-items: center;
  width: 3.25rem;
  height: 3.25rem;
  border-radius: 50%;
  background: var(--navy);
  color: var(--paper);
  border: 1px solid rgba(245, 247, 251, 0.22);
  box-shadow: 0 10px 28px -12px rgba(11, 19, 39, 0.55);
  transition: transform var(--dur) var(--ease-out), background-color var(--dur-fast), opacity var(--dur-fast), visibility var(--dur-fast);
}

.floating__top {
  width: 2.75rem;
  height: 2.75rem;
  margin-right: 0.25rem;
  background: var(--paper);
  color: var(--navy);
  border-color: var(--rule-strong);
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
}

.floating.is-scrolled .floating__top {
  opacity: 1;
  visibility: visible;
  transform: none;
}

.floating__top:hover,
.floating__whatsapp:hover {
  transform: translateY(-3px);
}

.floating__whatsapp {
  position: relative;
}

.floating__whatsapp:hover {
  background: var(--blue);
}

.floating__whatsapp .icon {
  width: 1.55rem;
  height: 1.55rem;
}

/* presence dot — the one place WhatsApp green appears */
.floating__whatsapp::after {
  content: '';
  position: absolute;
  top: 0.15rem;
  right: 0.15rem;
  width: 0.6rem;
  height: 0.6rem;
  border-radius: 50%;
  background: #25D366;
  box-shadow: 0 0 0 2px var(--navy);
}

.floating__whatsapp-text {
  display: none;
}

@media (max-width: 767px) {
  .floating__top {
    display: none;
  }

  /* compact bottom action with a text label */
  .floating__whatsapp {
    display: inline-flex;
    gap: 0.5rem;
    width: auto;
    height: 2.875rem;
    padding-inline: 0.85rem 1.05rem;
    border-radius: 2rem;
  }

  .floating__whatsapp .icon {
    width: 1.3rem;
    height: 1.3rem;
  }

  .floating__whatsapp-text {
    display: block;
    font-family: var(--font-display);
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
  }

  .floating__whatsapp::after {
    top: -0.1rem;
    right: 0.1rem;
  }
}

.menu-open .floating {
  opacity: 0;
  visibility: hidden;
}

/* ---------- Loader ---------- */

/* Everything is stacked on the exact centre of the screen and swaps in place:
   mark (waiting) → 3D growth chart → logo. The meter sits on its own line below. */

.loader {
  position: fixed;
  inset: 0;
  z-index: var(--z-cover);
  display: none;
  background: linear-gradient(135deg, var(--navy), var(--navy-deep));
  color: var(--d-ink);
  overflow: hidden;
}

.is-loading .loader {
  display: block;
  /* failsafe: never trap the visitor behind the loader if scripts fail */
  animation: cover-failsafe 0.4s ease 5s forwards;
}

.loader__canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
}

.loader__mark,
.loader__lockup {
  position: absolute;
  left: 50%;
  top: 50%;
  translate: -50% -50%;
}

.loader__mark {
  width: clamp(3.75rem, 7vw, 5rem);
  height: auto;
  animation: loader-mark 0.6s var(--ease-out) backwards;
}

@keyframes loader-mark {
  from {
    opacity: 0;
    transform: scale(0.8);
  }
}

.loader__lockup {
  opacity: 0;
}

.loader__logo {
  width: auto;
  max-width: 78vw;
  height: clamp(3.75rem, 10vw, 6.75rem);
}

/* Progress block: one fixed-width unit on the centre axis.
   The step name sits at the left end of the line and the percentage at the right end,
   so the block stays symmetric whatever the text says. */
.loader__meter {
  position: absolute;
  left: 50%;
  bottom: clamp(3rem, 12vh, 7rem);
  translate: -50% 0;
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: baseline;
  row-gap: 0.7rem;
  width: clamp(12rem, 26vw, 18rem);
}

.loader__step {
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  white-space: nowrap;
  color: var(--d-ink-2);
}

.loader__count {
  font-family: var(--font-display);
  font-size: 0.875rem;
  font-weight: 600;
  line-height: 1;
  letter-spacing: 0.02em;
  font-variant-numeric: tabular-nums;
  color: var(--d-ink);
}

.loader__track {
  grid-column: 1 / -1;
  position: relative;
  height: 2px;
  background: rgba(245, 247, 251, 0.16);
  overflow: hidden;
}

.loader__fill {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, var(--blue), var(--sky));
  transform: scaleX(0);
  transform-origin: left center;
}

@keyframes cover-failsafe {
  to {
    opacity: 0;
    visibility: hidden;
  }
}

/* ---------- Page transition cover ---------- */

.transition {
  position: fixed;
  inset: 0;
  z-index: var(--z-cover);
  display: grid;
  place-items: center;
  visibility: hidden;
  pointer-events: none;
}

.transition__panel {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--navy), var(--navy-deep));
  transform: translateY(101%);
}

.transition__content {
  position: relative;
  display: flex;
  align-items: center;
  gap: 1.25rem;
  color: var(--d-ink);
  opacity: 0;
}

.transition__mark {
  width: 3.25rem;
  height: auto;
}

.transition__title {
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 3vw, 2.25rem);
  font-weight: 600;
  letter-spacing: -0.025em;
}

.is-arriving .transition {
  visibility: visible;
  animation: cover-failsafe 0.4s ease 2.4s forwards;
}

.is-arriving .transition__panel {
  transform: none;
}

.is-arriving .transition__content {
  opacity: 1;
}

.is-leaving .transition {
  visibility: visible;
  pointer-events: auto;
}

/* ---------- Scroll progress ---------- */

.progress {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: var(--z-progress);
  height: 2px;
  pointer-events: none;
}

.progress__bar {
  display: block;
  height: 100%;
  background: var(--blue);
  transform: scaleX(0);
  transform-origin: left center;
}

/* ---------- Cursor (desktop, fine pointer) ---------- */

.cursor {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  z-index: var(--z-cursor);
  pointer-events: none;
}

.has-cursor .cursor {
  display: block;
}

.cursor__ring,
.cursor__dot {
  position: absolute;
  top: 0;
  left: 0;
  border-radius: 50%;
  will-change: transform;
}

.cursor__ring {
  width: 34px;
  height: 34px;
  margin: -17px 0 0 -17px;
  border: 1px solid rgba(86, 142, 214, 0.6);
  transition: scale 0.35s var(--ease-out), background-color 0.25s, border-color 0.25s, opacity 0.25s;
}

.cursor__dot {
  width: 5px;
  height: 5px;
  margin: -2.5px 0 0 -2.5px;
  background: var(--blue);
  transition: opacity 0.2s;
}

.cursor.is-active .cursor__ring {
  scale: 1.75;
  background: rgba(22, 115, 230, 0.1);
  border-color: rgba(22, 115, 230, 0.75);
}

.cursor.is-active .cursor__dot {
  opacity: 0;
}

.cursor.is-hidden .cursor__ring,
.cursor.is-hidden .cursor__dot {
  opacity: 0;
}

/* ---------- Inner page hero ---------- */

.page-hero {
  position: relative;
  display: grid;
  align-content: end;
  min-height: min(86svh, 54rem);
  padding-block: calc(var(--header-h) + clamp(3rem, 8vw, 7rem)) clamp(3rem, 6vw, 5.5rem);
  background: var(--bg);
  color: var(--fg);
  overflow: hidden;
}

.page-hero__scene {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

.page-hero__scene canvas {
  width: 100%;
  height: 100%;
}

.page-hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  column-gap: clamp(1rem, 2vw, 2rem);
  row-gap: clamp(1.5rem, 3vw, 2.5rem);
}

.page-hero__inner > * {
  grid-column: 1 / -1;
}

.page-hero__title {
  grid-column: 1 / span 10;
}

.page-hero__lead {
  grid-column: 1 / span 6;
}

.page-hero__aside {
  grid-column: 9 / -1;
  align-self: end;
}

@media (max-width: 1023px) {
  .page-hero__title,
  .page-hero__lead,
  .page-hero__aside {
    grid-column: 1 / -1;
  }

  .page-hero {
    min-height: 0;
  }
}

/* ---------- Closing call-to-action band ---------- */

.cta-band {
  position: relative;
  overflow: hidden;
}

.cta-band__line {
  position: absolute;
  inset: auto 0 0 0;
  width: 100%;
  height: 78%;
  pointer-events: none;
  color: var(--blue);
  opacity: 0.9;
}

.cta-band__inner {
  position: relative;
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: clamp(2rem, 4vw, 3.5rem) clamp(1rem, 2vw, 2rem);
}

.cta-band__inner > * {
  grid-column: 1 / -1;
}

.cta-band__title {
  grid-column: 1 / span 9;
  font-size: clamp(2.4rem, 6.6vw, 6.75rem);
  line-height: 0.96;
  letter-spacing: -0.045em;
}

.cta-band__text {
  grid-column: 1 / span 5;
}

.cta-band__actions {
  grid-column: 1 / -1;
}

@media (max-width: 1023px) {
  .cta-band__title,
  .cta-band__text {
    grid-column: 1 / -1;
  }
}