:root {
  --bg: #06080f;
  --bg-soft: #0d1320;
  --gold: #d8b067;
  --steel: #90a4c0;
  --text: #eef1f7;
  --muted: #9ea8b7;
  --line: rgba(255, 255, 255, 0.14);
  --card: rgba(13, 20, 33, 0.76);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  font-family: "Manrope", "Noto Sans SC", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 8% -12%, #21395d 0%, transparent 34%),
    radial-gradient(circle at 92% 0%, #2a3242 0%, transparent 30%),
    linear-gradient(180deg, var(--bg) 0%, #05070c 100%);
  min-height: 100vh;
  overflow-x: hidden;
}

.veil,
.halo,
.grain {
  position: fixed;
  inset: 0;
  pointer-events: none;
}

.veil {
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: radial-gradient(circle at center, black 14%, transparent 74%);
}

.halo {
  filter: blur(95px);
}

.halo-left {
  width: 460px;
  height: 460px;
  left: -130px;
  top: -140px;
  border-radius: 999px;
  background: rgba(216, 176, 103, 0.2);
}

.halo-right {
  width: 420px;
  height: 420px;
  right: -130px;
  bottom: -150px;
  border-radius: 999px;
  background: rgba(128, 164, 216, 0.18);
}

.grain {
  opacity: 0.06;
  background-image: radial-gradient(rgba(255, 255, 255, 0.92) 0.55px, transparent 0.55px);
  background-size: 4px 4px;
}

.container {
  width: min(1240px, calc(100% - 3.2rem));
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.nav-shell {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(10px);
  background: linear-gradient(to bottom, rgba(6, 8, 15, 0.82), rgba(6, 8, 15, 0.34));
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.nav-inner {
  width: min(1240px, calc(100% - 3.2rem));
  margin: 0 auto;
  min-height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.2rem;
}

.logo {
  font-family: "Playfair Display", serif;
  letter-spacing: 0.06em;
  font-weight: 700;
  font-size: clamp(1.2rem, 2.5vw, 1.95rem);
}

.logo span {
  color: var(--gold);
}

nav {
  display: flex;
  gap: 1.3rem;
}

nav a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.93rem;
}

nav a:hover {
  color: var(--text);
}

.lang-btn {
  border: 1px solid rgba(216, 176, 103, 0.44);
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
  border-radius: 999px;
  padding: 0.52rem 0.92rem;
  font-weight: 700;
  cursor: pointer;
}

.hero {
  min-height: 92vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 5.3rem 0 4.2rem;
}

.overline {
  margin: 0 0 1rem;
  font-size: 0.73rem;
  letter-spacing: 0.23em;
  color: var(--gold);
}

.hero h1 {
  margin: 0;
  font-family: "Playfair Display", serif;
  font-weight: 700;
  font-size: clamp(2.4rem, 6.6vw, 6rem);
  line-height: 1.03;
  max-width: 12em;
}

.hero-copy {
  margin: 1.4rem 0 0;
  max-width: 760px;
  color: var(--muted);
  font-size: clamp(1.03rem, 2vw, 1.24rem);
  line-height: 1.9;
}

.hero-cta {
  margin-top: 2rem;
  display: flex;
  gap: 0.85rem;
  flex-wrap: wrap;
}

.btn {
  text-decoration: none;
  border-radius: 999px;
  padding: 0.84rem 1.25rem;
  font-weight: 700;
  display: inline-block;
}

.btn-primary {
  background: linear-gradient(130deg, var(--gold), #f2d39b);
  color: #121722;
}

.btn-secondary {
  color: var(--text);
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.03);
}

.hero-stat {
  margin-top: 2.6rem;
  padding-top: 1.3rem;
  border-top: 1px solid var(--line);
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  max-width: 760px;
}

.metric {
  margin: 0;
  font-family: "Playfair Display", serif;
  font-size: clamp(1.8rem, 3vw, 2.5rem);
  color: var(--steel);
}

.hero-stat p {
  margin: 0.2rem 0 0;
  color: var(--muted);
}

.peak-visual {
  margin-top: 2.2rem;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.04), rgba(255, 255, 255, 0.01));
  padding: 1rem;
  max-width: 900px;
}

.peak-badge {
  display: inline-flex;
  align-items: baseline;
  gap: 0.5rem;
  padding: 0.35rem 0.65rem;
  border: 1px solid rgba(216, 176, 103, 0.5);
  border-radius: 999px;
  margin-bottom: 0.8rem;
}

.peak-num {
  margin: 0;
  font-family: "Playfair Display", serif;
  font-size: 1.2rem;
  color: var(--gold);
}

.peak-unit {
  margin: 0;
  font-size: 0.76rem;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.peak-svg {
  width: 100%;
  height: auto;
  display: block;
}

.ridge-main,
.ridge-sub {
  fill: none;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.ridge-main {
  stroke: rgba(216, 176, 103, 0.95);
  stroke-width: 4.2;
}

.ridge-sub {
  stroke: rgba(255, 255, 255, 0.42);
  stroke-width: 2.2;
}

.summit-line {
  stroke: rgba(216, 176, 103, 0.9);
  stroke-width: 1.6;
}

.summit-dot {
  fill: rgba(216, 176, 103, 1);
}

.portfolio,
.platform,
.contact {
  padding: 5.3rem 0;
}

.section-head p {
  margin: 0;
  color: var(--gold);
  letter-spacing: 0.18em;
  font-size: 0.73rem;
}

.section-head h2,
.platform h2,
.contact h2 {
  margin: 0.6rem 0 0;
  font-family: "Playfair Display", serif;
  font-size: clamp(1.8rem, 4.5vw, 3.7rem);
  line-height: 1.14;
  max-width: 18ch;
}

.portfolio-grid {
  margin-top: 1.6rem;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.card {
  min-height: 220px;
  border-radius: 18px;
  border: 1px solid var(--line);
  background: linear-gradient(150deg, rgba(255, 255, 255, 0.05), transparent 52%), var(--card);
  padding: 1.35rem;
}

.card .num {
  margin: 0;
  font-family: "Playfair Display", serif;
  color: var(--gold);
}

.card h3 {
  margin: 0.35rem 0 0.55rem;
  font-family: "Playfair Display", serif;
  font-size: 1.44rem;
}

.card p {
  margin: 0;
  color: var(--muted);
  line-height: 1.85;
}

.platform {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.pillars {
  margin-top: 1.35rem;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.pillars div {
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 1rem;
  background: rgba(255, 255, 255, 0.02);
}

.pillars h4 {
  margin: 0;
  font-family: "Playfair Display", serif;
  font-size: 1.24rem;
}

.pillars p,
.contact p {
  margin: 0.55rem 0 0;
  color: var(--muted);
  line-height: 1.85;
}

.footer {
  border-top: 1px solid var(--line);
  padding: 1rem 0 2.1rem;
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.footer p {
  margin: 0;
  color: var(--muted);
}

.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.75s ease, transform 0.75s ease;
}

.reveal.in {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 1080px) {
  .portfolio-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .pillars {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 860px) {
  nav {
    display: none;
  }

  .hero {
    min-height: auto;
    padding-top: 4rem;
  }

  .hero-stat {
    grid-template-columns: 1fr;
  }

  .portfolio-grid {
    grid-template-columns: 1fr;
  }

  .peak-unit {
    letter-spacing: 0.04em;
  }
}

@media (max-width: 620px) {
  .container,
  .nav-inner {
    width: min(1240px, calc(100% - 1.6rem));
  }

  .portfolio,
  .platform,
  .contact {
    padding: 4.2rem 0;
  }
}