/********************************************************************************
 * Copyright (C) 2026 EclipseSource GmbH and others.
 *
 * This program and the accompanying materials are made available under the
 * terms of the MIT License, which is available in the project root.
 *
 * SPDX-License-Identifier: MIT
 ********************************************************************************/

/* ==========================================================================
   Eclipse Enclave marketing site.
   These tokens are the single source of truth for this page. The Docusaurus
   theme in website/docs/ carries its own palette and is edited separately.
   ========================================================================== */

:root {
  /* Neutral grays */
  --bg: #ffffff;
  --bg-subtle: #f7f8fa;
  --surface: #ffffff;
  --border: #e6e8ec;
  --border-strong: #d4d8df;

  /* Text */
  --text: #4a5261;
  --heading: #14181f;
  --muted: #616a79;

  /* A restrained indigo/violet accent for the AI feel */
  --accent: #4f46e5;
  --accent-hover: #4338ca;
  --accent-soft: #eef1fe;
  --violet: #7c3aed;
  --grad: linear-gradient(135deg, #4f46e5 0%, #7c3aed 100%);

  /* Signal colors */
  --amber: #b45309;
  --amber-soft: #fef6e7;
  --green: #047857;
  --green-soft: #ecfdf5;
  --red: #b91c1c;

  --radius: 16px;
  --radius-sm: 10px;
  --maxw: 1080px;
  --shadow-sm: 0 1px 2px rgba(16, 24, 40, 0.05);
  --shadow-md: 0 8px 28px rgba(16, 24, 40, 0.08);
  --font-sans: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', 'Consolas', monospace;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-hover); }

/* ------- Layout ------- */
.container { max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }
section { padding: 76px 0; }
.section-alt { background: var(--bg-subtle); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }

h2 {
  font-size: clamp(1.6rem, 3vw, 2rem);
  font-weight: 800;
  color: var(--heading);
  letter-spacing: -0.025em;
  margin-bottom: 12px;
  text-wrap: balance;
}
h2 .highlight {
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.section-lead {
  color: var(--muted);
  font-size: 1.05rem;
  margin-bottom: 40px;
  text-wrap: pretty;
}
.eyebrow {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.09em;
  margin-bottom: 10px;
}
h2 + .section-lead { margin-top: 0; }

/* ------- Nav ------- */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.82);
  backdrop-filter: saturate(160%) blur(12px);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 14px 24px;
  display: flex;
  align-items: center;
  gap: 20px;
}
.nav-brand { display: flex; align-items: center; gap: 10px; font-weight: 800; color: var(--heading); font-size: 1.05rem; }
.nav-brand img { width: 28px; height: 28px; }
.nav-links { margin-left: auto; display: flex; align-items: center; gap: 26px; }
.nav-links a { color: var(--muted); font-weight: 600; font-size: 0.92rem; }
.nav-links a:hover { color: var(--heading); }

/* ------- Buttons ------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 22px;
  border-radius: var(--radius-sm);
  font-weight: 650;
  font-size: 0.95rem;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.06s ease, box-shadow 0.15s ease, background 0.15s ease, border-color 0.15s ease;
}
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--accent); color: #fff; box-shadow: var(--shadow-sm); }
.btn-primary:hover { background: var(--accent-hover); color: #fff; box-shadow: var(--shadow-md); }
.btn-ghost { background: #fff; color: var(--heading); border-color: var(--border-strong); }
.btn-ghost:hover { background: var(--bg-subtle); color: var(--heading); }

/* ------- Hero ------- */
.hero {
  text-align: center;
  padding: 84px 24px 76px;
  background:
    radial-gradient(680px 340px at 50% -8%, rgba(124, 58, 237, 0.10), transparent 70%),
    radial-gradient(520px 300px at 82% 8%, rgba(79, 70, 229, 0.08), transparent 70%),
    var(--bg);
}
.hero h1 {
  font-size: clamp(2.3rem, 5.5vw, 3.4rem);
  font-weight: 850;
  color: var(--heading);
  letter-spacing: -0.035em;
  line-height: 1.08;
  margin-bottom: 18px;
}
.hero h1 .grad {
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.hero-eyebrow {
  font-size: 0.85rem;
  font-weight: 650;
  letter-spacing: 0.03em;
  color: var(--accent);
  margin-bottom: 14px;
}
.hero .tagline {
  font-size: 1.2rem;
  color: var(--muted);
  max-width: 620px;
  margin: 0 auto 28px;
  text-wrap: pretty;
}
.hero-cmd {
  display: inline-flex;
  align-items: baseline;
  gap: 12px;
  flex-wrap: wrap;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 0.92rem;
  background: var(--bg-subtle);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 12px 20px;
  margin: 0 auto 30px;
  box-shadow: var(--shadow-sm);
}
.hero-cmd .prompt { color: var(--muted); }
.hero-cmd .cmd { color: var(--accent-hover); font-weight: 500; }
.hero-cmd .note {
  font-family: var(--font-sans);
  font-size: 0.85rem;
  color: var(--muted);
}
.hero-cmd .note::before { content: '# '; }
.hero-actions { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; margin-bottom: 30px; }
.hero-facts {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px 22px;
  font-size: 0.88rem;
  color: var(--muted);
}
.hero-facts li { display: inline-flex; align-items: center; gap: 7px; }
.hero-facts li::before {
  content: '';
  flex: none;
  width: 13px;
  height: 13px;
  background: var(--accent);
  -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E") no-repeat center / contain;
  mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E") no-repeat center / contain;
}

/* ------- Card grids ------- */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 26px 28px;
  box-shadow: var(--shadow-sm);
}
.card h3 { font-size: 1.05rem; font-weight: 700; color: var(--heading); margin-bottom: 8px; }
.card p { font-size: 0.94rem; color: var(--text); line-height: 1.6; }
.card .icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: 11px;
  background: var(--accent-soft);
  color: var(--accent);
  margin-bottom: 14px;
}
.card .icon svg { width: 22px; height: 22px; }

/* ------- Diagram ------- */
.diagram-section { text-align: center; }
.diagram-wrap {
  display: inline-block;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 28px 24px;
  max-width: 860px;
  width: 100%;
  box-shadow: var(--shadow-sm);
}
.diagram-wrap svg { width: 100%; height: auto; }
/* Authored near 1:1, so cap the width rather than letting it scale up. */
.diagram-stacked { display: none; max-width: 340px; margin: 0 auto; }
.diagram-caption { font-size: 0.9rem; color: var(--muted); margin-top: 16px; }

/* ------- UI preview (coming soon) ------- */
.ui-preview { position: relative; }
.sticker {
  position: absolute;
  top: -16px;
  right: 22px;
  z-index: 2;
  transform: rotate(-4deg);
  background: var(--grad);
  color: #fff;
  font-weight: 800;
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 9px 18px;
  border-radius: 999px;
  border: 2px solid #fff;
  box-shadow: 0 8px 20px rgba(79, 70, 229, 0.35);
}
.ui-frame {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow-md);
  overflow: hidden;
}
.ui-frame img { display: block; width: 100%; height: auto; }

/* ------- Feature columns ------- */
.features-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; }
.feature-col h3 {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 14px;
}
.feature-col ul { list-style: none; padding: 0; }
.feature-col li {
  position: relative;
  padding-left: 22px;
  margin-bottom: 10px;
  font-size: 0.94rem;
  color: var(--text);
}
.feature-col li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 8px;
  width: 8px;
  height: 8px;
  border-radius: 3px;
  background: var(--grad);
}
.feature-col .more {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  margin-top: 4px;
  font-size: 0.85rem;
  font-weight: 650;
  color: var(--accent);
}
.feature-col .more:hover { gap: 8px; color: var(--accent-hover); }
.feature-col code {
  font-family: var(--font-mono);
  font-size: 0.85em;
  background: var(--bg-subtle);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 1px 6px;
  color: var(--accent-hover);
}

/* ------- CLI block (dark terminal for contrast) ------- */
.cli-block {
  background: #14181f;
  border: 1px solid #232833;
  border-radius: var(--radius);
  padding: 24px 26px;
  font-family: var(--font-mono);
  font-size: 0.88rem;
  line-height: 1.9;
  color: #c7cbd4;
  overflow-x: auto;
  box-shadow: var(--shadow-md);
}
.cli-block .cmd { color: #a5b4fc; }
.cli-block .comment { color: #858e9c; }
.cli-block .flag { color: #fcd34d; }

/* ------- Compliance ------- */
.compliance-card {
  background: linear-gradient(135deg, #f5f4ff 0%, #f7f8fa 100%);
  border: 1px solid #e4e2fb;
  border-radius: var(--radius);
  padding: 32px;
}
.compliance-card h3 { font-size: 1.15rem; font-weight: 700; color: var(--heading); margin-bottom: 12px; }
.compliance-card p { font-size: 0.95rem; color: var(--text); margin-bottom: 20px; line-height: 1.65; }
.compliance-card ul { list-style: none; padding: 0; display: grid; grid-template-columns: 1fr 1fr; gap: 10px 28px; }
.compliance-card li { font-size: 0.9rem; color: var(--text); padding-left: 24px; position: relative; }
.compliance-card li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 7px;
  width: 14px;
  height: 14px;
  background: var(--accent);
  -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E") no-repeat center / contain;
  mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E") no-repeat center / contain;
}

/* ------- CTA band ------- */
.cta-band { text-align: center; }
.cta-band h2 { margin-bottom: 14px; }
.cta-band p { color: var(--muted); margin-bottom: 28px; font-size: 1.05rem; }
.cta-actions { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }

/* ------- Footer ------- */
footer.site-footer {
  text-align: center;
  padding: 40px 24px;
  border-top: 1px solid var(--border);
  font-size: 0.88rem;
  color: var(--muted);
}
footer.site-footer a { font-weight: 600; }

/* ------- Responsive ------- */
@media (max-width: 720px) {
  .grid-2, .features-grid, .compliance-card ul { grid-template-columns: 1fr; }
  .nav-links { gap: 16px; }
  .nav-links a.hide-sm { display: none; }
  section { padding: 54px 0; }
  .hero { padding: 56px 20px 56px; }
  .diagram-wide { display: none; }
  .diagram-stacked { display: block; }
  .diagram-wrap { padding: 24px 16px 18px; }
}