:root {
  --ink: #06111f;
  --navy: #071c35;
  --navy-2: #0b2a4b;
  --teal: #0fb7b7;
  --cyan: #20d5ff;
  --sky: #a8e8ff;
  --glow: #f4fcff;
  --orange: #ff8a2a;
  --copper: #c7783d;
  --text: #d9ecf6;
  --muted: #7a91a6;
  --panel: rgba(255, 255, 255, 0.08);
  --line: rgba(255, 255, 255, 0.14);
  --shadow: 0 24px 60px rgba(4, 19, 36, 0.28);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Leelawadee UI", "Tahoma", "Segoe UI", system-ui, sans-serif;
  color: var(--ink);
  background: #f5fbfd;
  line-height: 1.7;
}

body.nav-open {
  overflow: hidden;
}

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

svg {
  width: 1.25rem;
  height: 1.25rem;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
  flex: 0 0 auto;
}

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 50;
  padding: 14px clamp(16px, 4vw, 48px);
}

.navbar {
  max-width: 1180px;
  min-height: 66px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 22px;
  padding: 10px 12px 10px 16px;
  color: #fff;
  background: rgba(6, 17, 31, 0.78);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 18px;
  box-shadow: 0 18px 44px rgba(0, 0, 0, 0.22);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: max-content;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 46px;
  height: 46px;
  border-radius: 14px;
  color: #06111f;
  font-weight: 800;
  background: linear-gradient(135deg, var(--cyan), var(--orange));
}

.brand-text {
  display: grid;
  line-height: 1.2;
}

.brand-text strong {
  font-size: 0.98rem;
}

.brand-text small {
  color: var(--sky);
  font-size: 0.78rem;
}

.nav-links {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav-links a {
  padding: 10px 12px;
  border-radius: 12px;
  color: rgba(255, 255, 255, 0.82);
  font-weight: 600;
  font-size: 0.94rem;
}

.nav-links a:hover,
.nav-links a:focus-visible {
  color: #fff;
  background: rgba(255, 255, 255, 0.1);
}

.nav-cta,
.btn,
.contact-link {
  min-height: 46px;
}

.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 11px 16px;
  border-radius: 14px;
  color: #071c35;
  font-weight: 800;
  background: linear-gradient(135deg, var(--orange), #ffd36a);
}

.menu-toggle {
  display: none;
  width: 46px;
  height: 46px;
  margin-left: auto;
  border: 0;
  border-radius: 14px;
  color: #fff;
  background: rgba(255, 255, 255, 0.1);
}

.menu-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  margin: 5px auto;
  background: currentColor;
  border-radius: 20px;
}

.hero {
  position: relative;
  min-height: 88svh;
  display: grid;
  align-items: center;
  overflow: hidden;
  padding: 132px clamp(18px, 5vw, 56px) 76px;
  color: #fff;
  background:
    linear-gradient(90deg, rgba(5, 17, 31, 0.98), rgba(5, 22, 40, 0.86) 42%, rgba(5, 22, 40, 0.42)),
    url("assets/hero-network.svg") center / cover no-repeat,
    var(--navy);
}

.hero::after {
  content: "";
  position: absolute;
  inset: auto 0 0;
  height: 150px;
  background: linear-gradient(0deg, #f5fbfd, rgba(245, 251, 253, 0));
  pointer-events: none;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(32, 213, 255, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(32, 213, 255, 0.08) 1px, transparent 1px);
  background-size: 58px 58px;
  mask-image: linear-gradient(90deg, #000, transparent 70%);
}

.hero-content {
  position: relative;
  z-index: 1;
  width: min(760px, 100%);
  margin: 0 auto;
  transform: translateX(calc((min(1180px, 100vw - 36px) - min(760px, 100vw - 36px)) / -2));
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--cyan);
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

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

h1 {
  max-width: 720px;
  margin-bottom: 18px;
  font-size: clamp(2.7rem, 7vw, 5.7rem);
  line-height: 1.02;
  letter-spacing: 0;
}

.hero-lead {
  max-width: 670px;
  margin-bottom: 28px;
  color: rgba(244, 252, 255, 0.9);
  font-size: clamp(1.08rem, 2vw, 1.42rem);
}

.hero-actions,
.contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 13px 20px;
  border-radius: 14px;
  font-weight: 800;
  box-shadow: var(--shadow);
}

.btn-primary {
  color: #071c35;
  background: linear-gradient(135deg, var(--orange), #ffd36a);
}

.btn-secondary {
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.28);
  background: rgba(255, 255, 255, 0.09);
}

.hero-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  max-width: 660px;
  margin-top: 28px;
}

.hero-stats span {
  padding: 9px 13px;
  border: 1px solid rgba(168, 232, 255, 0.3);
  border-radius: 999px;
  color: var(--glow);
  background: rgba(7, 42, 75, 0.58);
  font-weight: 700;
  font-size: 0.9rem;
}

.section {
  padding: 86px clamp(18px, 5vw, 56px);
}

.section-head {
  max-width: 720px;
  margin: 0 auto 34px;
  text-align: center;
}

.section-head.align-left {
  margin: 0;
  text-align: left;
}

.section-head h2,
.contact-panel h2 {
  margin-bottom: 12px;
  color: var(--navy);
  font-size: clamp(2rem, 4vw, 3rem);
  line-height: 1.14;
}

.section-head p,
.contact-panel p,
.service-card p,
.process-card p,
.reason-item p,
.site-footer p {
  color: #527083;
}

.service-grid,
.process-grid {
  width: min(1180px, 100%);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.card {
  border-radius: 8px;
  border: 1px solid rgba(7, 42, 75, 0.12);
  background: rgba(255, 255, 255, 0.92);
  box-shadow: 0 18px 50px rgba(8, 42, 75, 0.08);
}

.service-card {
  min-height: 250px;
  padding: 26px;
}

.service-card h3,
.process-card h3,
.reason-item h3 {
  margin-bottom: 10px;
  color: var(--navy);
  font-size: 1.2rem;
}

.icon-wrap {
  display: grid;
  place-items: center;
  width: 52px;
  height: 52px;
  margin-bottom: 20px;
  border-radius: 16px;
  color: var(--cyan);
  background: linear-gradient(135deg, rgba(32, 213, 255, 0.16), rgba(255, 138, 42, 0.12));
}

.icon-wrap svg {
  width: 28px;
  height: 28px;
}

.accent-card {
  color: #fff;
  background: linear-gradient(135deg, var(--navy-2), #09576c);
  border-color: rgba(32, 213, 255, 0.3);
}

.accent-card h3,
.accent-card p {
  color: #fff;
}

.why-section {
  color: #fff;
  background:
    radial-gradient(circle at 18% 20%, rgba(32, 213, 255, 0.2), transparent 30%),
    linear-gradient(135deg, var(--navy), #09263f 55%, #0b3e4a);
}

.why-layout {
  width: min(1180px, 100%);
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: 34px;
  align-items: start;
}

.why-section .section-head h2,
.why-section .section-head p {
  color: #fff;
}

.reason-list {
  display: grid;
  gap: 16px;
}

.reason-item {
  display: grid;
  grid-template-columns: 64px 1fr;
  gap: 18px;
  padding: 22px;
  border-radius: 8px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  background: rgba(255, 255, 255, 0.08);
}

.reason-item span {
  display: grid;
  place-items: center;
  width: 56px;
  height: 56px;
  border-radius: 16px;
  color: #071c35;
  font-weight: 800;
  background: linear-gradient(135deg, var(--cyan), #f7c96c);
}

.reason-item h3,
.reason-item p {
  color: #fff;
}

.process-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.process-card {
  min-height: 246px;
  padding: 24px;
  position: relative;
  overflow: hidden;
}

.process-card span {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  margin-bottom: 18px;
  border-radius: 14px;
  color: #fff;
  font-weight: 800;
  background: linear-gradient(135deg, var(--navy-2), var(--teal));
}

.contact-section {
  padding: 36px clamp(18px, 5vw, 56px) 86px;
}

.contact-panel {
  width: min(1180px, 100%);
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(320px, 0.95fr);
  gap: 30px;
  align-items: center;
  padding: clamp(28px, 5vw, 48px);
  border-radius: 8px;
  color: #fff;
  background:
    linear-gradient(135deg, rgba(7, 28, 53, 0.95), rgba(7, 42, 75, 0.9)),
    url("assets/hero-network.svg") center / cover no-repeat;
  box-shadow: var(--shadow);
}

.contact-panel h2,
.contact-panel p {
  color: #fff;
}

.contact-link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  padding: 14px 16px;
  border-radius: 16px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  color: #fff;
  background: rgba(255, 255, 255, 0.1);
  font-weight: 700;
}

.contact-link.main {
  color: #071c35;
  background: linear-gradient(135deg, var(--orange), #ffd36a);
  border-color: transparent;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  padding: 28px clamp(18px, 5vw, 56px);
  color: #dceef7;
  background: #06111f;
}

.site-footer strong {
  display: block;
  margin-bottom: 4px;
}

.site-footer p {
  margin: 0;
  color: #9ab0c2;
}

.site-footer a {
  color: var(--sky);
  font-weight: 700;
}

@media (max-width: 980px) {
  .nav-links,
  .nav-cta {
    display: none;
  }

  .menu-toggle {
    display: block;
  }

  .nav-links.is-open {
    position: fixed;
    top: 92px;
    left: 16px;
    right: 16px;
    display: grid;
    gap: 6px;
    padding: 16px;
    border-radius: 18px;
    background: rgba(6, 17, 31, 0.96);
    box-shadow: var(--shadow);
  }

  .nav-links.is-open a {
    padding: 14px;
  }

  .hero-content {
    transform: none;
    margin: 0;
  }

  .service-grid,
  .process-grid,
  .why-layout,
  .contact-panel {
    grid-template-columns: 1fr;
  }

  .process-grid {
    max-width: 720px;
  }
}

@media (max-width: 640px) {
  .site-header {
    padding: 10px 12px;
  }

  .navbar {
    min-height: 60px;
    border-radius: 16px;
  }

  .brand-text strong {
    font-size: 0.88rem;
  }

  .hero {
    min-height: 86svh;
    padding: 112px 18px 58px;
    background-position: 58% center;
  }

  h1 {
    font-size: clamp(2.4rem, 15vw, 3.7rem);
  }

  .hero-actions,
  .btn {
    width: 100%;
  }

  .hero-stats span {
    flex: 1 1 92px;
    text-align: center;
  }

  .section {
    padding: 64px 18px;
  }

  .service-grid,
  .process-grid {
    gap: 14px;
  }

  .reason-item {
    grid-template-columns: 1fr;
  }

  .contact-section {
    padding: 24px 18px 64px;
  }

  .contact-panel {
    min-width: 0;
  }

  .site-footer {
    display: grid;
  }
}