:root {
  --dark-blue: #06162f;
  --dark-blue-2: #0a2144;
  --orange: #ff8a1f;
  --orange-soft: rgba(255, 138, 31, 0.14);
  --white: #ffffff;
  --muted: #9fb0ca;
  --line: rgba(255, 255, 255, 0.12);
  --card: rgba(255, 255, 255, 0.06);
  --card-strong: rgba(255, 255, 255, 0.1);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family:
    Inter,
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    "PingFang SC",
    "Microsoft YaHei",
    sans-serif;
  color: var(--white);
  background:
    radial-gradient(circle at 15% 10%, rgba(255, 138, 31, 0.18), transparent 28%),
    radial-gradient(circle at 85% 20%, rgba(79, 134, 255, 0.16), transparent 26%),
    linear-gradient(180deg, #06162f 0%, #071a37 45%, #041024 100%);
  min-height: 100vh;
}

a {
  color: inherit;
  text-decoration: none;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(18px);
  background: rgba(6, 22, 47, 0.72);
  border-bottom: 1px solid var(--line);
}

.navbar {
  width: min(1180px, calc(100% - 40px));
  height: 78px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-weight: 800;
  letter-spacing: -0.03em;
  font-size: 20px;
}

.logo-mark {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background:
    linear-gradient(135deg, var(--orange), #ffd08a);
  box-shadow: 0 0 28px rgba(255, 138, 31, 0.48);
}

.logo-img {
  height: 36px;
  width: auto;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 34px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 600;
}

.nav-links a {
  position: relative;
  transition: color 0.2s ease;
}

.nav-links a:hover {
  color: var(--orange);
}

.nav-links a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -8px;
  width: 0;
  height: 2px;
  border-radius: 999px;
  background: var(--orange);
  transition: width 0.2s ease;
}

.nav-links a:hover::after {
  width: 100%;
}

.menu-btn {
  display: none;
  width: 42px;
  height: 42px;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: transparent;
  cursor: pointer;
}

.menu-btn span {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--white);
  margin: 5px auto;
}

.hero {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
  padding: 112px 0 96px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 70px;
  align-items: center;
}

.eyebrow {
  margin: 0 0 18px;
  color: var(--orange);
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 12px;
  font-weight: 800;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 780px;
  margin-bottom: 28px;
  font-size: clamp(45px, 6.2vw, 45px);
  line-height: 0.98;
  letter-spacing: -0.065em;
}

h1 span {
  color: var(--orange);
}

.hero-text {
  max-width: 630px;
  color: var(--muted);
  font-size: 18px;
  line-height: 1.85;
  margin-bottom: 38px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0 24px;
  border-radius: 999px;
  font-weight: 800;
  font-size: 14px;
  transition:
    transform 0.2s ease,
    box-shadow 0.2s ease,
    background 0.2s ease;
}

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

.btn-primary {
  background: var(--orange);
  color: #111827;
  box-shadow: 0 18px 40px rgba(255, 138, 31, 0.32);
}

.btn-secondary {
  color: var(--white);
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid var(--line);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.12);
}

.hero-visual {
  position: relative;
  min-height: 470px;
  display: grid;
  place-items: center;
}

.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(2px);
}

.orb-one {
  width: 260px;
  height: 260px;
  background: rgba(255, 138, 31, 0.13);
  top: 16px;
  right: 52px;
}

.orb-two {
  width: 180px;
  height: 180px;
  background: rgba(88, 143, 255, 0.16);
  left: 20px;
  bottom: 36px;
}

.data-card,
.mini-card,
.service-card,
.contact-card {
  border: 1px solid var(--line);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.09), rgba(255, 255, 255, 0.035));
  backdrop-filter: blur(20px);
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.28);
}

.main-card {
  position: relative;
  z-index: 2;
  width: min(420px, 100%);
  border-radius: 32px;
  padding: 34px;
}

.card-label {
  color: var(--muted);
  margin-bottom: 22px;
  font-size: 14px;
}

.main-card h3 {
  margin-bottom: 6px;
  color: var(--orange);
  font-size: 68px;
  line-height: 1;
  letter-spacing: -0.06em;
}

.main-card > span {
  color: var(--muted);
}

.progress-list {
  margin-top: 34px;
  display: grid;
  gap: 22px;
}

.progress-list p {
  margin-bottom: 9px;
  color: var(--white);
  font-size: 14px;
  font-weight: 700;
}

.progress-list span {
  display: block;
  width: 100%;
  height: 8px;
  overflow: hidden;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.1);
}

.progress-list span::after {
  content: "";
  display: block;
  width: var(--width);
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--orange), #ffd08a);
}

.mini-card {
  position: absolute;
  z-index: 3;
  width: 240px;
  padding: 18px;
  border-radius: 22px;
}

.mini-card strong {
  display: block;
  margin-bottom: 6px;
  color: var(--white);
}

.mini-card span {
  color: var(--muted);
  font-size: 13px;
}

.mini-card-top {
  top: 20px;
  left: 0;
}

.mini-card-bottom {
  right: 0;
  bottom: 42px;
}

.section,
.split-section,
.contact-section {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
}

.section {
  padding: 92px 0;
}

.section-heading {
  max-width: 960px;
  margin-bottom: 46px;
}

.section-heading h2,
.split-content h2,
.contact-card h2 {
  margin-bottom: 20px;
  font-size: clamp(34px, 4.5vw, 58px);
  line-height: 1.04;
  letter-spacing: -0.055em;
}

.section-heading p:not(.eyebrow),
.split-content p,
.contact-card p {
  color: var(--muted);
  font-size: 17px;
  line-height: 1.8;
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}

.service-card {
  min-height: 300px;
  padding: 28px;
  border-radius: 28px;
  transition:
    transform 0.2s ease,
    border-color 0.2s ease,
    background 0.2s ease;
}

.service-card:hover {
  transform: translateY(-6px);
  border-color: rgba(255, 138, 31, 0.45);
  background:
    linear-gradient(180deg, rgba(255, 138, 31, 0.12), rgba(255, 255, 255, 0.04));
}

.number {
  display: inline-block;
  margin-bottom: 34px;
  color: var(--orange);
  font-weight: 900;
  font-size: 13px;
  letter-spacing: 0.12em;
}

.service-card h3 {
  margin-bottom: 16px;
  font-size: 22px;
  line-height: 1.2;
  letter-spacing: -0.03em;
}

.service-card p {
  color: var(--muted);
  line-height: 1.75;
  font-size: 15px;
}

.split-section {
  padding: 72px 0;
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 72px;
  align-items: start;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.steps {
  display: grid;
  gap: 14px;
}

.step {
  display: grid;
  grid-template-columns: 64px 1fr;
  gap: 20px;
  align-items: center;
  min-height: 88px;
  padding: 20px;
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.055);
  border: 1px solid var(--line);
}

.step span {
  color: var(--orange);
  font-weight: 900;
}

.step p {
  margin: 0;
  color: var(--white);
  line-height: 1.5;
  font-weight: 700;
}

.compact {
  padding-bottom: 48px;
}

.team-section {
  width: 100%;
  padding: 92px max(20px, calc((100% - 1180px) / 2));
}

.team-section .section-heading {
  max-width: 1180px;
  margin-bottom: 56px;
}

.team-section .section-heading h2 {
  max-width: 1120px;
}

.team-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 72px;
  align-items: start;
  margin-top: 56px;
}

.team-card {
  text-align: center;
  color: #1f2937;
  background: #ffffff;
  padding: 46px 42px 52px;
  border-radius: 34px;
  box-shadow: 0 28px 70px rgba(0, 0, 0, 0.18);
}

.team-photo {
  width: 260px;
  height: 260px;
  object-fit: cover;
  object-position: center;
  border-radius: 50%;
  padding: 10px;
  background: #f0f2f5;
  margin-bottom: 32px;
}

.team-card h3 {
  margin-bottom: 10px;
  color: #111827;
  font-size: 22px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.team-role,
.team-affiliation {
  margin: 0;
  color: #7a7a7a;
  font-size: 20px;
  line-height: 1.45;
  font-weight: 700;
}

.team-affiliation {
  margin-bottom: 32px;
}

.team-bio {
  max-width: 560px;
  margin: 0 auto;
  color: #7a7a7a;
  font-size: 18px;
  line-height: 1.75;
}

.team-bio a {
  color: #d96f10;
  font-weight: 700;
  text-decoration: none;
  border-bottom: 1px solid rgba(217, 111, 16, 0.45);
  transition:
    color 0.2s ease,
    border-color 0.2s ease;
}

.team-bio a:hover {
  color: #a8550a;
  border-bottom-color: #a8550a;
}

.contact-section {
  padding: 42px 0 90px;
}

.contact-card {
  padding: clamp(34px, 6vw, 70px);
  border-radius: 36px;
  background:
    radial-gradient(circle at top right, rgba(255, 138, 31, 0.2), transparent 35%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.09), rgba(255, 255, 255, 0.04));
}

.contact-card p {
  max-width: 680px;
  margin-bottom: 34px;
}

.footer {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
  padding: 30px 0;
  color: var(--muted);
  border-top: 1px solid var(--line);
  font-size: 14px;
}

.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition:
    opacity 0.7s ease,
    transform 0.7s ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 980px) {
  .hero-grid,
  .split-section {
    grid-template-columns: 1fr;
  }

  .service-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .hero {
    padding-top: 76px;
  }

  .hero-visual {
    min-height: 420px;
  }
}

@media (max-width: 900px) {
  .team-grid {
    grid-template-columns: 1fr;
    gap: 36px;
  }

  .team-photo {
    width: 220px;
    height: 220px;
  }
}

@media (max-width: 700px) {
  .navbar {
    width: min(100% - 28px, 1180px);
  }

  .menu-btn {
    display: block;
  }

  .nav-links {
    position: absolute;
    top: 78px;
    left: 14px;
    right: 14px;
    display: none;
    flex-direction: column;
    align-items: flex-start;
    gap: 18px;
    padding: 22px;
    border-radius: 22px;
    background: rgba(6, 22, 47, 0.96);
    border: 1px solid var(--line);
  }

  .nav-links.is-open {
    display: flex;
  }

  .nav-links a::after {
    bottom: -5px;
  }

  .hero,
  .section,
  .split-section,
  .contact-section,
  .footer {
    width: min(100% - 28px, 1180px);
  }

  .hero {
    padding: 64px 0 72px;
  }

  h1 {
    font-size: clamp(42px, 14vw, 42px);
  }

  .hero-text {
    font-size: 16px;
  }

  .hero-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .btn {
    width: 100%;
  }

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

  .service-card {
    min-height: auto;
  }

  .mini-card {
    position: relative;
    inset: auto;
    width: 100%;
    margin-top: 14px;
  }

  .hero-visual {
    display: block;
    min-height: auto;
  }

  .main-card {
    width: 100%;
  }

  .orb {
    display: none;
  }

  .step {
    grid-template-columns: 48px 1fr;
  }

  .team-section {
    padding: 72px 14px;
  }

  .team-card {
    padding: 34px 24px 40px;
  }

  .team-photo {
    width: 180px;
    height: 180px;
  }

  .team-card h3 {
    font-size: 18px;
  }

  .team-role,
  .team-affiliation {
    font-size: 17px;
  }

  .team-bio {
    font-size: 16px;
  }
}