/* WindEdge Cloud — windedgecloud.com
   Dark, technical, European. Blue/green accents. No framework. */

:root {
  --bg: #0a0f17;
  --bg-alt: #0c131e;
  --panel: #111a27;
  --panel-2: #0f1722;
  --border: #1e2c3d;
  --text: #e7eef6;
  --muted: #9bb0c4;
  --blue: #2f81f7;
  --cyan: #38bdf8;
  --green: #34d399;
  --accent-grad: linear-gradient(100deg, #38bdf8 0%, #34d399 100%);
  --radius: 14px;
  --maxw: 1120px;
  --shadow: 0 18px 50px rgba(0, 0, 0, .45);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, "Inter", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
.container { max-width: var(--maxw); margin: 0 auto; padding: 0 22px; }
a { color: var(--cyan); text-decoration: none; }
h1, h2, h3 { line-height: 1.2; margin: 0 0 .5em; font-weight: 700; letter-spacing: -.01em; }
h2 { font-size: clamp(1.5rem, 3.2vw, 2.2rem); }
p { margin: 0 0 1rem; }
.muted { color: var(--muted); }
.small { font-size: .9rem; }

/* ---- Nav ---- */
.nav {
  position: sticky; top: 0; z-index: 50;
  background: rgba(10, 15, 23, .82);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.brand { display: flex; align-items: center; gap: 10px; color: var(--text); font-weight: 700; }
.brand-mark {
  width: 22px; height: 22px; border-radius: 6px;
  background: var(--accent-grad);
  box-shadow: 0 0 18px rgba(56, 189, 248, .5);
}
.brand-accent { color: var(--cyan); }
.nav-links { display: flex; align-items: center; gap: 22px; }
.nav-links a { color: var(--muted); font-size: .95rem; }
.nav-links a:hover { color: var(--text); }
.nav-cta {
  color: var(--text) !important; border: 1px solid var(--border);
  padding: 7px 14px; border-radius: 9px; background: var(--panel);
}
.nav-cta:hover { border-color: var(--cyan); }
.nav-toggle { display: none; background: none; border: 0; cursor: pointer; padding: 8px; }
.nav-toggle span { display: block; width: 24px; height: 2px; background: var(--text); margin: 5px 0; transition: .25s; }

/* ---- Hero ---- */
.hero {
  position: relative; overflow: hidden; padding: 120px 0 104px; border-bottom: 1px solid var(--border);
  background:
    linear-gradient(180deg, rgba(8,15,23,.74) 0%, rgba(8,15,23,.80) 55%, rgba(8,15,23,.92) 100%),
    url("hero-windfarm.jpg") center 35% / cover no-repeat;
}
.hero-glow {
  position: absolute; inset: -30% -10% auto -10%; height: 520px;
  background: radial-gradient(60% 80% at 70% 20%, rgba(56,189,248,.18), transparent 60%),
              radial-gradient(50% 70% at 25% 30%, rgba(52,211,153,.14), transparent 60%);
  pointer-events: none;
}
.hero-inner { position: relative; text-align: center; }
.eyebrow { text-transform: uppercase; letter-spacing: .18em; font-size: .78rem; color: var(--cyan); margin-bottom: 14px; }
.hero-title {
  font-size: clamp(2.6rem, 7vw, 4.6rem); margin: 0 0 .2em;
  background: var(--accent-grad); -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero-sub { font-size: clamp(1.05rem, 2.4vw, 1.45rem); color: var(--text); max-width: 760px; margin: 0 auto 28px; }
.hero-actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }
.hero-note { color: var(--muted); max-width: 640px; margin: 26px auto 0; font-size: .95rem; }

/* ---- Buttons ---- */
.btn { display: inline-block; padding: 12px 22px; border-radius: 11px; font-weight: 600; font-size: 1rem; transition: transform .12s, box-shadow .2s, border-color .2s; }
.btn:hover { transform: translateY(-1px); }
.btn-primary { background: var(--accent-grad); color: #04121b; box-shadow: 0 10px 30px rgba(56,189,248,.25); }
.btn-primary:hover { box-shadow: 0 14px 38px rgba(56,189,248,.4); }
.btn-ghost { color: var(--text); border: 1px solid var(--border); background: var(--panel); }
.btn-ghost:hover { border-color: var(--cyan); }
.btn-lg { padding: 15px 30px; font-size: 1.05rem; }

/* ---- Sections ---- */
.section { padding: 80px 0; border-bottom: 1px solid var(--border); }
.section-alt { background: var(--bg-alt); }
.kicker { text-transform: uppercase; letter-spacing: .16em; font-size: .76rem; color: var(--green); margin: 0 0 8px; font-weight: 700; }
.lead { font-size: 1.12rem; color: var(--text); max-width: 820px; }

/* ---- Grids / cards ---- */
.grid { display: grid; gap: 18px; margin-top: 30px; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.feature, .card {
  background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 22px; transition: border-color .2s, transform .15s, box-shadow .2s;
}
.feature:hover, .card:hover { border-color: rgba(56,189,248,.5); transform: translateY(-3px); box-shadow: var(--shadow); }
.feature h3, .card h3 { font-size: 1.12rem; }
.feature p, .card p { color: var(--muted); margin: 0; }
.small-feature { padding: 18px; }
.card { border-left: 3px solid transparent; border-image: var(--accent-grad) 1; border-left-width: 3px; }

/* ---- Architecture ---- */
.arch { margin: 34px 0 10px; display: flex; flex-direction: column; align-items: center; }
.arch-layer { width: 100%; max-width: 720px; }
.arch-box {
  background: linear-gradient(180deg, var(--panel), var(--panel-2));
  border: 1px solid var(--border); border-radius: var(--radius); padding: 20px 22px; text-align: left;
  position: relative;
}
.arch-box h3 { margin: 6px 0 6px; }
.arch-box p { color: var(--muted); margin: 0; }
.arch-tag {
  display: inline-block; font-size: .68rem; text-transform: uppercase; letter-spacing: .12em;
  color: #04121b; background: var(--accent-grad); padding: 3px 10px; border-radius: 999px; font-weight: 700;
}
.arch-connector { width: 2px; height: 30px; background: linear-gradient(var(--cyan), var(--green)); opacity: .6; }
.arch-extra { margin-top: 28px; }

/* ---- Statement ---- */
.statement {
  background: var(--panel); border: 1px solid var(--border); border-left: 4px solid var(--cyan);
  border-radius: var(--radius); padding: 26px 28px; margin-top: 26px; max-width: 880px;
}
.statement-date { color: var(--cyan); font-weight: 600; font-size: .92rem; margin-bottom: 14px; }
.statement p:last-child { margin-bottom: 0; }

/* ---- Chips ---- */
.chips { list-style: none; padding: 0; margin: 26px 0 0; display: flex; flex-wrap: wrap; gap: 12px; }
.chips li { background: var(--panel); border: 1px solid var(--border); border-radius: 999px; padding: 9px 18px; color: var(--text); font-size: .95rem; }

/* ---- CTA ---- */
.cta { text-align: center; background:
  radial-gradient(60% 120% at 50% 0%, rgba(47,129,247,.12), transparent 60%), var(--bg-alt); }
.cta-inner { max-width: 720px; margin: 0 auto; }
.cta .lead { margin: 0 auto 26px; }

/* ---- Footer ---- */
.footer { padding: 40px 0; background: var(--bg); }
.footer-inner { display: flex; justify-content: space-between; gap: 24px; flex-wrap: wrap; }
.footer .brand-name { font-weight: 700; font-size: 1.1rem; }

/* ---- Reveal animation ---- */
.section, .hero-inner { opacity: 1; }
[data-reveal] { opacity: 0; transform: translateY(16px); transition: opacity .6s ease, transform .6s ease; }
[data-reveal].in { opacity: 1; transform: none; }

/* ---- Responsive ---- */
@media (max-width: 860px) {
  .grid-3 { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 720px) {
  .nav-links {
    position: absolute; top: 64px; left: 0; right: 0; flex-direction: column; align-items: stretch;
    gap: 0; background: var(--bg-alt); border-bottom: 1px solid var(--border); padding: 8px 0; display: none;
  }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 12px 22px; }
  .nav-cta { margin: 8px 22px; text-align: center; }
  .nav-toggle { display: block; }
  .grid-3, .grid-2 { grid-template-columns: 1fr; }
  .section { padding: 56px 0; }
  .hero { padding: 64px 0 56px; }
}