:root{
  --ink: #171717;
  --gray: #6E6E6E;
  --line: #E7E7E7;
  --paper: #FFFFFF;
  --red: #A3320F;

  --sans: "Helvetica Neue", Helvetica, Arial, sans-serif;
  --max: 1080px;
  --edge: clamp(24px, 6vw, 88px);
}

*, *::before, *::after{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce){ html{ scroll-behavior: auto; } }

body{
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

a{ color: inherit; text-decoration: none; }
h1, h2{ font-family: var(--sans); font-weight: 700; line-height: 1.15; margin: 0; letter-spacing: -0.01em; }
p{ margin: 0 0 1em; max-width: 62ch; color: var(--gray); }
p:last-child{ margin-bottom: 0; }

.eyebrow{
  font-family: var(--sans); font-size: 12px; letter-spacing: 0.12em; text-transform: uppercase; font-weight: 700;
  color: var(--red); display: inline-flex; align-items: center; gap: 10px;
}
.eyebrow::before{ content: ""; width: 22px; height: 1px; background: var(--red); display: inline-block; }

header{
  position: sticky; top: 0; z-index: 40;
  background: rgba(255,255,255,0.95); backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--line);
}
.nav-wrap{ max-width: var(--max); margin: 0 auto; padding: 16px var(--edge); display: flex; align-items: center; justify-content: space-between; gap: 20px; }

.brand{ display:flex; align-items:center; gap:10px; }
.brand img{ height:26px; width:auto; display:block; }
.brand .wordmark{ display:flex; flex-direction:column; line-height:1.05; }
.brand .wordmark span:first-child{ font-weight:700; font-size:16px; letter-spacing:0.01em; }
.brand .wordmark span:last-child{ font-weight:400; font-size:9px; letter-spacing:0.18em; color:var(--red); }

.nav-right{ display:flex; align-items:center; gap:24px; }
nav.primary{ display: flex; gap: 4px; }
nav.primary a{ font-size: 14px; font-weight: 500; padding: 8px 14px; border-radius: 3px; }
nav.primary a:hover{ background: #F6F6F6; }

.lang-switch{ display:flex; gap:2px; font-size:12px; font-weight:700; }
.lang-switch button{
  font-family: var(--sans); background:none; border:none; cursor:pointer;
  padding:6px 8px; color:var(--gray); letter-spacing:0.03em;
}
.lang-switch button.active{ color:var(--red); }
.lang-switch span{ color:var(--line); }

.wrap{ max-width: var(--max); margin: 0 auto; padding: 0 var(--edge); }
section{ padding: clamp(48px, 8vw, 96px) 0; }
.section-head{ max-width: 640px; margin-bottom: clamp(28px, 4vw, 48px); }
.section-head h2{ font-size: clamp(24px, 3vw, 34px); margin-top: 10px; }

.sunrise-visual{
  position: relative;
  width: 100%;
  height: 46vh;
  min-height: 300px;
  max-height: 460px;
  overflow: hidden;
  background: #fff;
}
.sunrise-visual svg{ position:absolute; left:0; width:100%; display:block; }
.sv-sky{ top:0; height:100%; width:100%; }
.sunrise-visual .sv-sun{
  width: 90px !important; height: 90px;
  left: 50%; top: 55%;
  margin-left: -45px;
  will-change: top, opacity;
  transition: top 0.05s linear;
}
.sv-ridge{ bottom:0; height:62%; width:100%; }
.sv-back{ opacity:0.9; }

@media (max-width: 720px){
  .sunrise-visual{ height:36vh; min-height:220px; }
}

.hero{ padding-top: clamp(56px, 9vw, 108px); position: relative; overflow: hidden; }
.node-canvas{ position: absolute; inset: 0; width: 100%; height: 100%; z-index: 0; }
.hero .wrap{ position: relative; z-index: 1; }
.hero .mark{ height:38px; width:auto; margin-bottom: 28px; display:block; }
.hero h1{ font-size: clamp(30px, 4.6vw, 48px); max-width: 18ch; }
.hero-subtitle{ font-size: clamp(17px, 1.8vw, 20px); font-weight: 500; color: var(--ink); margin-top: 10px; max-width: 40ch; }
.hero p{ font-size: clamp(16px, 1.5vw, 18px); margin-top: 18px; max-width: 56ch; }

/* Sectors node-network diagram */
.node-network{ position: relative; padding: 32px 0 8px; }
.node-network-lines{ position: absolute; inset: 0; width: 100%; height: 100%; opacity: 0; transition: opacity 1s ease 0.3s; }
.node-network-lines line{ stroke: var(--line); stroke-width: 0.4; }
#sector-network.is-visible .node-network-lines{ opacity: 1; }

.node-grid{ position: relative; z-index: 1; display: grid; grid-template-columns: repeat(3, 1fr); gap: 40px 16px; }
.node-item{
  display: flex; flex-direction: column; align-items: center; text-align: center; gap: 10px;
  opacity: 0; transform: translateY(10px) scale(0.94);
  transition: opacity 0.5s ease, transform 0.5s ease;
}
#sector-network.is-visible .node-item{ opacity: 1; transform: none; }
.node-item:nth-child(1){ transition-delay: 0.05s; }
.node-item:nth-child(2){ transition-delay: 0.10s; }
.node-item:nth-child(3){ transition-delay: 0.15s; }
.node-item:nth-child(4){ transition-delay: 0.20s; }
.node-item:nth-child(5){ transition-delay: 0.25s; }
.node-item:nth-child(6){ transition-delay: 0.30s; }
.node-item:nth-child(7){ transition-delay: 0.35s; }
.node-item:nth-child(8){ transition-delay: 0.40s; }
.node-item:nth-child(9){ transition-delay: 0.45s; }

.node-dot{ width: 10px; height: 10px; border-radius: 50%; background: var(--ink); flex-shrink: 0; }
.node-dot-red{ background: var(--red); }
.node-label{ font-size: 13.5px; color: var(--gray); max-width: 18ch; line-height: 1.4; }

@media (max-width: 720px){
  .node-network-lines{ display: none; }
  .node-grid{ grid-template-columns: repeat(2, 1fr); gap: 32px 12px; }
}

.btn{
  display: inline-flex; align-items: center; gap: 8px; font-weight: 700; font-size: 14.5px;
  padding: 12px 20px; border-radius: 3px; background: var(--red); color: var(--paper); margin-top: 26px;
}
.btn:hover{ background: #82280d; }

.plain-list{ list-style: none; margin: 0; padding: 0; }
.plain-list li{ padding: 22px 0; border-top: 1px solid var(--line); }
.plain-list li:last-child{ border-bottom: 1px solid var(--line); }
.plain-list h3{ font-family: var(--sans); font-weight: 700; font-size: 16.5px; margin: 0 0 6px; }
.plain-list p{ margin: 0; }

.tag-line{ font-size: 14px; color: var(--gray); line-height: 2; }

.contact-block p{ margin: 0 0 4px; }
.contact-block a{ color: var(--red); }

footer{ padding: 26px 0; border-top: 1px solid var(--line); }
footer .wrap{ display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px; font-size: 12px; color: var(--gray); }
footer a:hover{ color: var(--red); }

@media (max-width: 720px){
  nav.primary{ display: none; }
}