/* ECHO Coming Soon – colours from the official brand guide (ECHO_Mini_Brand_Guide_v1). */
/* Sora (headlines) is loaded only if assets/fonts/Sora-700.woff2 is present; otherwise the system stack is used. */
@font-face {
  font-family: "Sora";
  src: url("assets/fonts/Sora-700.woff2") format("woff2");
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

:root {
  --ink-900: #070B12;
  --ink-800: #0E141E;
  --ink-600: #232C3B;
  --blue: #3FB6FF;
  --blue-light: #8FD6FF;
  --blue-deep: #0B7FC4;
  --text: #F3F6FB;
  --text-2: #93A4BC;
  --radius: 16px;
  --display: "Sora", system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --body: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; overflow-x: clip; }
body {
  margin: 0;
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  background: var(--ink-900);
  color: var(--text);
  font-family: var(--body);
  font-size: 1rem;
  line-height: 1.6;
  overflow-x: clip;
}
a { color: var(--blue); text-underline-offset: 3px; }
a:hover { color: var(--blue-light); }
:focus-visible { outline: 2px solid var(--blue-light); outline-offset: 3px; border-radius: 6px; }

.skip {
  position: absolute; left: 16px; top: -64px; z-index: 10;
  background: var(--blue); color: var(--ink-900); padding: 10px 16px; border-radius: 999px; font-weight: 600;
}
.skip:focus { top: 16px; }

.site-header { padding: 28px 24px 0; display: flex; justify-content: center; }
.brand { display: inline-block; line-height: 0; }
.brand img { width: clamp(220px, 46vw, 340px); height: auto; }

main { flex: 1; width: 100%; max-width: 1040px; margin: 0 auto; padding: 0 24px; }

.hero { position: relative; text-align: center; padding: clamp(36px, 8vw, 88px) 0 clamp(40px, 7vw, 72px); isolation: isolate; }
.glow {
  position: absolute; z-index: -1; left: 50%; top: 0; width: min(900px, 140%); aspect-ratio: 1.6;
  transform: translate(-50%, -34%);
  background: radial-gradient(closest-side, rgba(63,182,255,.16) 0%, rgba(63,182,255,.06) 45%, rgba(63,182,255,0) 100%);
  pointer-events: none;
  animation: breathe 9s ease-in-out infinite;
}
@keyframes breathe { 0%, 100% { opacity: .75; } 50% { opacity: 1; } }

.eyebrow {
  display: inline-block; margin: 0 0 20px; padding: 6px 16px;
  border: 1px solid var(--ink-600); border-radius: 999px; background: var(--ink-800);
  color: var(--blue-light); font-size: .78rem; font-weight: 600; letter-spacing: .22em; text-transform: uppercase;
}
h1 {
  margin: 0 auto; max-width: 18ch;
  font-family: var(--display); font-weight: 700; letter-spacing: -.02em; line-height: 1.12;
  font-size: clamp(2rem, 6.4vw, 3.6rem);
}
.lede { margin: 22px auto 32px; max-width: 54ch; color: var(--text-2); font-size: clamp(1rem, 2.2vw, 1.15rem); }

.button {
  display: inline-block; padding: 14px 30px; border-radius: 999px;
  background: var(--blue); color: var(--ink-900); text-decoration: none; font-weight: 600;
  box-shadow: 0 0 16px rgba(63,182,255,.3);
  transition: background-color .2s ease, transform .2s ease;
}
.button:hover { background: var(--blue-light); color: var(--ink-900); transform: translateY(-1px); }

.highlights ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 16px; grid-template-columns: 1fr; }
.highlights li {
  background: var(--ink-800); border: 1px solid var(--ink-600); border-radius: var(--radius);
  padding: 24px; box-shadow: 0 4px 12px rgba(0,0,0,.24);
}
.highlights h2 { margin: 0 0 8px; font-family: var(--display); font-size: 1.1rem; font-weight: 700; letter-spacing: -.01em; }
.highlights p { margin: 0; color: var(--text-2); font-size: .98rem; }

.contact { text-align: center; padding: clamp(48px, 8vw, 80px) 0; }
.contact h2 { margin: 0 0 8px; font-family: var(--display); font-size: clamp(1.3rem, 3vw, 1.6rem); font-weight: 700; }
.contact p { margin: 0; color: var(--text-2); }

.site-footer { border-top: 1px solid var(--ink-600); padding: 28px 24px 36px; text-align: center; color: var(--text-2); font-size: .88rem; }
.site-footer p { margin: 0; }
.site-footer .tag { color: var(--blue-light); letter-spacing: .3em; font-size: .75rem; margin-bottom: 8px; }

@media (min-width: 760px) {
  .highlights ul { grid-template-columns: repeat(3, 1fr); gap: 20px; }
  .site-header { padding-top: 40px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
}