@font-face {
  font-family: "Montserrat";
  src: url("assets/fonts/Montserrat-Light.ttf") format("truetype");
  font-weight: 300;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Montserrat";
  src: url("assets/fonts/Montserrat-Regular.ttf") format("truetype");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Montserrat";
  src: url("assets/fonts/Montserrat-Bold.ttf") format("truetype");
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

:root {
  --navy: #1f2b4e;
  --navy-deep: #141d36;
  --navy-soft: #2a3865;
  --gold: #c49a4c;
  --gold-soft: #d8b469;
  --gold-muted: #a07f37;
  --ink: #1a1f2e;
  --paper: #ffffff;
  --cream: #faf7f1;
  --muted: #f3f0e9;
  --rule: rgba(196, 154, 76, 0.4);
  --text: #2b3142;
  --text-dim: #5a6175;
  --max: 1200px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: "Montserrat", "Helvetica Neue", Helvetica, Arial, sans-serif;
  font-weight: 300;
  font-size: 16px;
  line-height: 1.78;
  color: var(--text);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3 {
  font-family: "Montserrat", "Helvetica Neue", Helvetica, Arial, sans-serif;
  color: var(--navy);
  font-weight: 300;
  letter-spacing: 0;
  margin: 0 0 0.6em;
}

h1 { font-size: clamp(3rem, 6vw, 5rem); line-height: 1.1; font-weight: 300; letter-spacing: -0.01em; }
h2 { font-size: clamp(2rem, 3.8vw, 2.9rem); line-height: 1.2; font-weight: 300; letter-spacing: -0.005em; }
h3 { font-size: 1.3rem; line-height: 1.35; font-weight: 400; letter-spacing: 0.02em; }

p { margin: 0 0 1rem; }

a {
  color: var(--navy);
  text-decoration: none;
  transition: color 0.2s ease;
}
a:hover { color: var(--gold); }

.container {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 clamp(1.25rem, 4vw, 2.5rem);
}

/* ---------- Eyebrow ---------- */
.eyebrow {
  font-size: 0.74rem;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--gold-muted);
  margin: 0 0 1.25rem;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 0.9rem;
}

.eyebrow--gold { color: var(--gold); }

.eyebrow-line {
  display: inline-block;
  width: 36px;
  height: 1px;
  background: currentColor;
  opacity: 0.8;
}

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--navy);
  border-bottom: 1px solid transparent;
  transition: background 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}

.site-header.is-scrolled {
  background: rgba(20, 29, 54, 0.92);
  backdrop-filter: saturate(140%) blur(10px);
  -webkit-backdrop-filter: saturate(140%) blur(10px);
  border-bottom: 1px solid rgba(196, 154, 76, 0.2);
  box-shadow: 0 10px 30px -22px rgba(0, 0, 0, 0.6);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 0.9rem;
  padding-bottom: 0.9rem;
  gap: 2rem;
}

.brand img {
  display: block;
  height: 84px;
  width: auto;
}

.site-nav .nav-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: 2.5rem;
}

.nav-list a {
  color: #ffffff;
  font-size: 0.78rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  font-weight: 500;
  position: relative;
  padding: 0.25rem 0;
}

.nav-list a::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -6px;
  height: 1px;
  background: var(--gold);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s ease;
}

.nav-list a:hover { color: var(--gold-soft); }
.nav-list a:hover::after { transform: scaleX(1); }

.nav-toggle {
  display: none;
  background: transparent;
  border: 0;
  cursor: pointer;
  padding: 0.5rem;
  width: 44px; height: 44px;
}
.nav-toggle span {
  display: block;
  width: 24px;
  height: 1.5px;
  background: #fff;
  margin: 5px auto;
  transition: 0.2s ease;
}

/* ---------- Reveal animation ---------- */
.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: clamp(560px, 82vh, 780px);
  display: flex;
  align-items: center;
  color: #f0ecdf;
  padding: clamp(5rem, 12vw, 8rem) 0 clamp(5rem, 12vw, 7rem);
  overflow: hidden;
  isolation: isolate;
}

.hero-photo {
  position: absolute;
  inset: 0;
  z-index: -2;
  background: url("assets/images/hero-hk.jpg") center center / cover no-repeat;
  transform: scale(1.04);
  animation: heroDrift 28s ease-in-out infinite alternate;
}

@keyframes heroDrift {
  from { transform: scale(1.04) translate3d(0, 0, 0); }
  to   { transform: scale(1.08) translate3d(-1%, -1.5%, 0); }
}

.hero-tint {
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    linear-gradient(90deg,
      rgba(13, 20, 39, 0.92) 0%,
      rgba(20, 29, 54, 0.78) 32%,
      rgba(20, 29, 54, 0.5) 55%,
      rgba(20, 29, 54, 0.25) 80%,
      rgba(20, 29, 54, 0.15) 100%),
    linear-gradient(180deg, rgba(13, 20, 39, 0.35) 0%, rgba(13, 20, 39, 0) 35%, rgba(13, 20, 39, 0.45) 100%);
}

.hero-inner {
  position: relative;
  display: block;
}

.hero-copy {
  max-width: 640px;
  text-align: left;
}

.hero-copy .eyebrow { color: var(--gold-soft); }

.hero h1 {
  color: #ffffff;
  margin: 0 0 1.5rem;
  font-size: clamp(2.8rem, 6vw, 4.6rem);
  font-weight: 300;
  letter-spacing: -0.01em;
  line-height: 1.08;
}

.hero .lede {
  font-size: clamp(1.02rem, 1.3vw, 1.15rem);
  color: rgba(255, 255, 255, 0.85);
  line-height: 1.85;
  max-width: 58ch;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.25);
}

.hero-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  margin-top: 1.5rem;
  padding: 0.95rem 1.85rem;
  border: 1px solid var(--gold);
  color: var(--gold-soft);
  font-size: 0.76rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  font-weight: 600;
  transition: background 0.25s ease, color 0.25s ease, transform 0.25s ease;
  backdrop-filter: blur(2px);
  -webkit-backdrop-filter: blur(2px);
}

.hero-cta svg { transition: transform 0.3s ease; }

.hero-cta:hover {
  background: var(--gold);
  color: var(--navy-deep);
  border-color: var(--gold);
}
.hero-cta:hover svg { transform: translateX(4px); }

.hero-location {
  position: absolute;
  right: clamp(1.5rem, 4vw, 2.5rem);
  bottom: 1.75rem;
  display: inline-flex;
  align-items: center;
  gap: 0.85rem;
  font-size: 0.72rem;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.7);
  font-weight: 500;
}
.hero-location-line {
  width: 36px;
  height: 1px;
  background: var(--gold);
  opacity: 0.8;
}

/* ---------- Generic section head ---------- */
section { padding: clamp(5rem, 10vw, 8rem) 0; }

.section-head {
  max-width: 780px;
  margin: 0 auto 4rem;
  text-align: center;
}

.section-head .eyebrow {
  justify-content: center;
}

.section-head h2 {
  color: var(--navy);
}

.section-head--light h2,
.section-head--light .eyebrow {
  color: #ffffff;
}
.section-head--light .eyebrow { color: var(--gold-soft); }

/* ---------- Strategy cards ---------- */
.strategy {
  background: var(--cream);
  position: relative;
}

.strategy::before {
  content: "";
  position: absolute;
  top: 0; left: 50%;
  transform: translateX(-50%);
  width: 1px; height: 60px;
  background: var(--gold);
  opacity: 0.6;
}

.cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: clamp(1.25rem, 2vw, 2rem);
}

.card {
  position: relative;
  background: var(--navy-deep);
  border: 1px solid rgba(31, 43, 78, 0.2);
  overflow: hidden;
  min-height: 380px;
  transition: transform 0.35s ease, box-shadow 0.35s ease, border-color 0.35s ease;
  isolation: isolate;
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: 0 40px 70px -30px rgba(13, 20, 39, 0.55);
  border-color: rgba(196, 154, 76, 0.55);
}

.card-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  transform: scale(1.02);
  transition: transform 0.8s ease, filter 0.6s ease;
  filter: saturate(0.85) brightness(0.75);
}
.card:hover .card-bg { transform: scale(1.08); }

.card-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(13, 20, 39, 0.35) 0%, rgba(13, 20, 39, 0.55) 40%, rgba(13, 20, 39, 0.92) 100%),
    linear-gradient(135deg, rgba(20, 29, 54, 0.4) 0%, rgba(13, 20, 39, 0.25) 100%);
}

.card--1 .card-bg { background-image: url("assets/images/card-1.jpg"); }
.card--2 .card-bg { background-image: url("assets/images/card-2.jpg"); }
.card--3 .card-bg { background-image: url("assets/images/card-3.jpg"); }
.card--4 .card-bg { background-image: url("assets/images/card-4.jpg"); }

.card-face {
  position: relative;
  display: flex;
  flex-direction: column;
  height: 100%;
  min-height: 380px;
  padding: 2.75rem 2.5rem 2.5rem;
  z-index: 1;
}

.card-num {
  position: absolute;
  top: -0.25em;
  right: 0.6rem;
  font-family: "Montserrat", sans-serif;
  font-weight: 300;
  font-size: clamp(5rem, 9vw, 7rem);
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 1px rgba(216, 180, 105, 0.75);
  letter-spacing: -0.02em;
  pointer-events: none;
  user-select: none;
}

.card-face h3 {
  color: #ffffff;
  margin: 2.5rem 0 0.75rem;
  font-size: 1.32rem;
  font-weight: 500;
  letter-spacing: 0.015em;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.35);
}

.card-rule {
  display: block;
  width: 42px;
  height: 2px;
  background: var(--gold);
  margin: 0.4rem 0 1.25rem;
}

.card-teaser {
  color: rgba(255, 255, 255, 0.82);
  font-size: 0.98rem;
  line-height: 1.7;
  margin: 0 0 1.5rem;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
}

.card-open {
  align-self: flex-start;
  margin-top: auto;
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  padding: 0.7rem 1.35rem;
  background: transparent;
  border: 1px solid var(--gold);
  color: var(--gold-soft);
  font-family: inherit;
  font-size: 0.72rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  font-weight: 600;
  cursor: pointer;
  backdrop-filter: blur(2px);
  -webkit-backdrop-filter: blur(2px);
  transition: background 0.25s ease, color 0.25s ease, border-color 0.25s ease, transform 0.25s ease;
}
.card-open svg { transition: transform 0.3s ease; }
.card-open:hover {
  background: var(--gold);
  border-color: var(--gold);
  color: var(--navy-deep);
}
.card-open:hover svg { transform: translateX(3px); }

/* Overlay popup */
.card-overlay {
  position: absolute;
  inset: 0;
  z-index: 3;
  display: flex;
  flex-direction: column;
  padding: 2.75rem 2.5rem 2.25rem;
  background: linear-gradient(155deg, var(--navy) 0%, var(--navy-deep) 100%);
  color: rgba(255, 255, 255, 0.88);
  opacity: 0;
  transform: scale(0.97);
  pointer-events: none;
  transition: opacity 0.3s ease, transform 0.35s ease;
  overflow: hidden;
}

.card-overlay::before {
  content: "";
  position: absolute;
  inset: 10px;
  border: 1px solid rgba(196, 154, 76, 0.35);
  pointer-events: none;
}

.card.is-open .card-overlay {
  opacity: 1;
  transform: scale(1);
  pointer-events: auto;
}

.overlay-close {
  position: absolute;
  top: 0.85rem;
  right: 0.85rem;
  width: 36px;
  height: 36px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: 1px solid rgba(196, 154, 76, 0.35);
  color: var(--gold-soft);
  cursor: pointer;
  border-radius: 999px;
  transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
  z-index: 2;
}
.overlay-close:hover {
  background: var(--gold);
  border-color: var(--gold);
  color: var(--navy-deep);
  transform: rotate(90deg);
}

.overlay-body {
  position: relative;
  overflow-y: auto;
  overflow-x: hidden;
  padding: 0.5rem 0.25rem 0.25rem;
  margin-right: -0.25rem;
  z-index: 1;
  flex: 1;
  scrollbar-width: thin;
  scrollbar-color: rgba(196, 154, 76, 0.5) transparent;
}
.overlay-body::-webkit-scrollbar { width: 5px; }
.overlay-body::-webkit-scrollbar-track { background: transparent; }
.overlay-body::-webkit-scrollbar-thumb {
  background: rgba(196, 154, 76, 0.4);
  border-radius: 4px;
}

.overlay-label {
  font-size: 0.7rem;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--gold-soft);
  font-weight: 600;
  margin: 0 0 1.25rem;
}

.overlay-body p {
  margin: 0 0 1rem;
  font-size: 0.96rem;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.85);
}
.overlay-body p:last-child { margin-bottom: 0; }

/* ---------- Contact ---------- */
.contact {
  background: var(--navy-deep);
  position: relative;
  overflow: hidden;
  color: rgba(255, 255, 255, 0.85);
}

.contact::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 40% at 85% 0%, rgba(196, 154, 76, 0.14), transparent 60%),
    radial-gradient(ellipse 60% 40% at 10% 100%, rgba(196, 154, 76, 0.1), transparent 60%);
  pointer-events: none;
}

.contact .container { position: relative; }

.offices {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.75rem;
  max-width: 860px;
  margin: 0 auto;
}

.office {
  position: relative;
  text-align: center;
  padding: 3rem 1.75rem 2.5rem;
  border: 1px solid rgba(196, 154, 76, 0.25);
  background: rgba(255, 255, 255, 0.02);
  transition: background 0.3s ease, border-color 0.3s ease, transform 0.3s ease;
}

.office:hover {
  background: rgba(196, 154, 76, 0.05);
  border-color: rgba(196, 154, 76, 0.55);
  transform: translateY(-3px);
}

.office-icon { margin: 0 auto 1rem; display: block; }

.office-country {
  font-size: 0.72rem;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--gold-soft);
  margin: 0 0 0.5rem;
  font-weight: 600;
}

.office h3 {
  color: #ffffff;
  font-family: "Montserrat", sans-serif;
  font-size: 1.8rem;
  font-weight: 300;
  text-transform: none;
  letter-spacing: 0;
  margin-bottom: 0.9rem;
}

.office h3::after {
  content: "";
  display: block;
  width: 36px;
  height: 1px;
  background: var(--gold);
  margin: 1rem auto 0;
}

.office address {
  font-style: normal;
  color: rgba(255, 255, 255, 0.72);
  line-height: 1.85;
  font-size: 0.96rem;
  margin-top: 1.25rem;
}


/* ---------- Footer ---------- */
.site-footer {
  background: #0d1427;
  color: rgba(255, 255, 255, 0.55);
  padding: 3rem 0 2.5rem;
  font-size: 0.82rem;
  letter-spacing: 0.04em;
  border-top: 1px solid rgba(196, 154, 76, 0.18);
}

.footer-inner { text-align: center; }

.footer-brand {
  font-family: "Montserrat", sans-serif;
  font-weight: 400;
  font-size: 1rem;
  letter-spacing: 0.35em;
  color: #ffffff;
  text-transform: uppercase;
  margin-bottom: 0.35rem;
}

.footer-tag {
  font-size: 0.72rem;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--gold);
  margin: 0 0 1.5rem;
  font-weight: 600;
}

.footer-copy { margin: 0; font-size: 0.78rem; letter-spacing: 0.08em; }

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .hero-mark { max-width: 240px; }
}

@media (max-width: 760px) {
  .nav-toggle { display: block; }
  .nav-list {
    position: absolute;
    top: 100%;
    left: 0; right: 0;
    background: var(--navy-deep);
    flex-direction: column;
    gap: 0;
    padding: 0.5rem 0;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.25s ease;
  }
  .nav-list.is-open { max-height: 320px; }
  .nav-list li { border-top: 1px solid rgba(255, 255, 255, 0.06); }
  .nav-list a {
    display: block;
    padding: 1rem 1.5rem;
  }
  .nav-list a::after { display: none; }
  .header-inner { position: relative; }

  .cards { grid-template-columns: 1fr; }
  .offices { grid-template-columns: 1fr; }
  .brand img { height: 60px; }

  .card { min-height: 340px; }
  .card-face { padding: 2.25rem 1.75rem 2rem; min-height: 340px; }
  .card-overlay { padding: 2.25rem 1.75rem 2rem; }
  .card-num { font-size: 5rem; right: 0.4rem; }
  .hero-location { display: none; }
}