/*
Theme Name: Luminous Blue
Theme URI: https://example.com/luminous-blue
Author: ChatGPT
Description: A clean WordPress theme using luminous blue, lime, and soft periwinkle inspired by the provided color palette. Includes Home, About Us, and Contact Us page templates.
Version: 1.0.0
License: GNU General Public License v2 or later
Text Domain: luminous-blue
*/

:root {
  --lb-blue: #001EDC;
  --lb-blue-dark: #00108A;
  --lb-blue-soft: #1232E8;
  --lb-lime: #D2D755;
  --lb-periwinkle: #9FAEE5;
  --lb-white: #FFFFFF;
  --lb-ink: #101326;
  --lb-muted: #6B7280;
  --lb-surface: #F5F7FF;
  --lb-radius: 24px;
  --lb-shadow: 0 24px 60px rgba(0, 30, 220, 0.18);
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--lb-ink);
  background: var(--lb-white);
  line-height: 1.6;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; height: auto; }
.container { width: min(1120px, calc(100% - 40px)); margin: 0 auto; }

.site-header {
  position: sticky; top: 0; z-index: 10;
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(159, 174, 229, 0.35);
}
.navbar { display: flex; align-items: center; justify-content: space-between; min-height: 76px; gap: 24px; }
.logo { font-size: 1.35rem; font-weight: 800; letter-spacing: -0.04em; color: var(--lb-blue); }
.logo span { color: var(--lb-lime); }
.menu { display: flex; gap: 22px; align-items: center; list-style: none; margin: 0; padding: 0; }
.menu a { font-weight: 700; color: var(--lb-ink); }
.menu a:hover { color: var(--lb-blue); }

.btn, .wp-block-button__link, input[type="submit"], button {
  display: inline-flex; align-items: center; justify-content: center;
  border: 0; border-radius: 999px; padding: 13px 22px;
  background: var(--lb-lime); color: var(--lb-ink); font-weight: 800;
  box-shadow: 0 12px 26px rgba(210, 215, 85, 0.32); cursor: pointer;
}
.btn.secondary { background: var(--lb-white); color: var(--lb-blue); box-shadow: none; }

.hero {
  position: relative; overflow: hidden; color: var(--lb-white);
  background: radial-gradient(circle at 75% 15%, rgba(159,174,229,.7), transparent 28%), linear-gradient(135deg, var(--lb-blue-dark), var(--lb-blue) 55%, var(--lb-blue-soft));
  padding: 96px 0 78px;
}
.hero::after {
  content: ""; position: absolute; inset: auto -120px -180px auto; width: 420px; height: 420px;
  background: var(--lb-lime); opacity: .28; border-radius: 50%; filter: blur(8px);
}
.hero-grid { display: grid; grid-template-columns: 1.08fr .92fr; align-items: center; gap: 48px; position: relative; z-index: 1; }
.eyebrow { color: var(--lb-lime); font-weight: 900; text-transform: uppercase; letter-spacing: .14em; font-size: .78rem; }
h1, h2, h3 { line-height: 1.08; letter-spacing: -0.055em; margin: 0 0 18px; }
h1 { font-size: clamp(3rem, 8vw, 6.6rem); }
h2 { font-size: clamp(2.2rem, 5vw, 4.2rem); }
h3 { font-size: 1.55rem; }
.lead { font-size: 1.18rem; max-width: 650px; color: rgba(255,255,255,.86); }
.hero-card {
  background: rgba(255,255,255,.12); border: 1px solid rgba(255,255,255,.22); border-radius: var(--lb-radius);
  padding: 28px; box-shadow: var(--lb-shadow); backdrop-filter: blur(18px);
}
.swatch-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-top: 20px; }
.swatch { min-height: 130px; border-radius: 20px; padding: 14px; display: flex; align-items: end; font-weight: 900; }
.swatch.blue { background: var(--lb-blue); color: var(--lb-white); border: 1px solid rgba(255,255,255,.3); }
.swatch.lime { background: var(--lb-lime); color: var(--lb-ink); }
.swatch.periwinkle { background: var(--lb-periwinkle); color: var(--lb-ink); }

.section { padding: 82px 0; }
.section.alt { background: var(--lb-surface); }
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; margin-top: 34px; }
.card { background: var(--lb-white); border: 1px solid rgba(159,174,229,.45); border-radius: var(--lb-radius); padding: 28px; box-shadow: 0 18px 44px rgba(16,19,38,.07); }
.card.accent { background: var(--lb-blue); color: var(--lb-white); }
.card.accent p { color: rgba(255,255,255,.78); }
.card .icon { width: 48px; height: 48px; border-radius: 16px; background: var(--lb-lime); margin-bottom: 20px; }

.page-hero { background: var(--lb-blue); color: var(--lb-white); padding: 76px 0; }
.page-hero p { color: rgba(255,255,255,.82); max-width: 720px; }
.content { padding: 72px 0; }
.content a { color: var(--lb-blue); text-decoration: underline; }

.contact-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 32px; align-items: start; }
.contact-panel { background: var(--lb-blue); color: var(--lb-white); border-radius: var(--lb-radius); padding: 32px; }
.contact-panel strong { color: var(--lb-lime); }
form.lb-contact { display: grid; gap: 16px; background: var(--lb-surface); border-radius: var(--lb-radius); padding: 28px; }
input, textarea { width: 100%; border: 1px solid rgba(159,174,229,.75); border-radius: 16px; padding: 14px 16px; font: inherit; background: var(--lb-white); }
textarea { min-height: 150px; resize: vertical; }

.site-footer { background: var(--lb-ink); color: var(--lb-white); padding: 34px 0; }
.footer-inner { display: flex; justify-content: space-between; gap: 18px; flex-wrap: wrap; color: rgba(255,255,255,.72); }

@media (max-width: 820px) {
  .hero-grid, .cards, .contact-grid { grid-template-columns: 1fr; }
  .menu { gap: 12px; font-size: .92rem; flex-wrap: wrap; justify-content: flex-end; }
  .hero { padding-top: 68px; }
}