/* ==========================================================================
   CircAg Holdings Pty Ltd — Main Stylesheet
   Hello Computer Web Development
   chip-runtime: unknown (CHIP_RUNTIME_MODEL unset) · 2026-08-05
   ========================================================================== */

/* Reset & base
   ========================================================================== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; scroll-behavior: smooth; }
body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.6;
  color: #1c2a20;
  background: #f6f8f5;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

:root {
  --deep-green: #1b4332;
  --mid-green: #2d6a4f;
  --accent-green: #74c69d;
  --pale-green: #eaf5ee;
  --off-white: #f6f8f5;
  --text-dark: #1c2a20;
  --text-muted: #4a5b4f;
}

/* Layout
   ========================================================================== */
.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 1.5rem;
}
section { padding: 4rem 0; }
section:nth-of-type(even) { background: var(--pale-green); }

.section-heading {
  font-size: 1.9rem;
  color: var(--deep-green);
  margin-bottom: 0.75rem;
  font-weight: 700;
}
.section-subheading {
  font-size: 1.15rem;
  color: var(--mid-green);
  margin-bottom: 1.5rem;
  font-weight: 500;
}
.section-body p { margin-bottom: 1rem; color: var(--text-muted); max-width: 720px; }

.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem;
  align-items: center;
}
@media (max-width: 720px) {
  .two-col { grid-template-columns: 1fr; }
}

/* Header & nav
   ========================================================================== */
header {
  background: #fff;
  border-bottom: 1px solid #e2ebe4;
  position: sticky;
  top: 0;
  z-index: 10;
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.5rem;
  max-width: 1100px;
  margin: 0 auto;
}
.logo img { height: 48px; }
nav ul { display: flex; gap: 2rem; }
nav a {
  font-weight: 600;
  color: var(--deep-green);
  padding: 0.5rem 0;
  border-bottom: 2px solid transparent;
  transition: border-color 0.2s ease;
}
nav a:hover, nav a.active { border-bottom-color: var(--accent-green); }

/* Hero
   ========================================================================== */
.hero {
  background: linear-gradient(135deg, var(--deep-green), var(--mid-green));
  color: #fff;
  text-align: center;
  padding: 5rem 1.5rem;
}
.hero .logo-mark img { height: 72px; margin: 0 auto 1.5rem; filter: brightness(0) invert(1); }
.hero h1 { font-size: 2.4rem; font-weight: 800; margin-bottom: 1rem; letter-spacing: 0.5px; }
.hero p { font-size: 1.15rem; max-width: 780px; margin: 0 auto; color: #dff5e8; }

/* Partnership badge
   ========================================================================== */
.partner-badge {
  display: inline-block;
  margin-top: 1.25rem;
  padding: 0.6rem 1.1rem;
  background: var(--accent-green);
  color: var(--deep-green);
  font-weight: 700;
  font-size: 0.9rem;
  border-radius: 999px;
}

/* Video grid
   ========================================================================== */
.video-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-top: 2rem;
}
@media (max-width: 900px) {
  .video-grid { grid-template-columns: 1fr; }
}
.video-wrap {
  position: relative;
  width: 100%;
  padding-top: 56.25%; /* 16:9 */
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 4px 16px rgba(0,0,0,0.08);
}
.video-wrap iframe {
  position: absolute;
  top: 0; left: 0; width: 100%; height: 100%; border: 0;
}

/* CTA
   ========================================================================== */
.cta {
  text-align: center;
  background: var(--deep-green);
  color: #fff;
  padding: 3.5rem 1.5rem;
}
.cta h2 { font-size: 1.6rem; margin-bottom: 1.25rem; }
.btn {
  display: inline-block;
  background: var(--accent-green);
  color: var(--deep-green);
  font-weight: 700;
  padding: 0.85rem 2rem;
  border-radius: 6px;
  transition: transform 0.15s ease, background 0.2s ease;
}
.btn:hover { background: #fff; transform: translateY(-2px); }

/* Contact page
   ========================================================================== */
.contact-hero {
  background: var(--pale-green);
  text-align: center;
  padding: 4rem 1.5rem 2.5rem;
}
.contact-hero h1 { color: var(--deep-green); font-size: 2.2rem; margin-bottom: 0.5rem; }
.contact-hero .lead { color: var(--mid-green); font-size: 1.2rem; margin-bottom: 0.5rem; font-weight: 600; }
.contact-hero .intro { color: var(--text-muted); }

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: 2.5rem;
}
@media (max-width: 720px) { .contact-grid { grid-template-columns: 1fr; } }

.contact-details h3 { color: var(--deep-green); margin-bottom: 1rem; font-size: 1.3rem; }
.contact-details p { margin-bottom: 0.75rem; color: var(--text-muted); }
.contact-details a { color: var(--mid-green); font-weight: 600; }

form.contact-form { display: flex; flex-direction: column; gap: 1rem; }
form.contact-form label { font-weight: 600; color: var(--deep-green); margin-bottom: 0.25rem; display: block; }
form.contact-form input,
form.contact-form textarea {
  width: 100%;
  padding: 0.75rem;
  border: 1px solid #cddccf;
  border-radius: 6px;
  font-size: 1rem;
  font-family: inherit;
}
form.contact-form .name-row { display: flex; gap: 1rem; }
form.contact-form .name-row > div { flex: 1; }
form.contact-form button {
  align-self: flex-start;
  background: var(--mid-green);
  color: #fff;
  border: none;
  padding: 0.85rem 2rem;
  border-radius: 6px;
  font-weight: 700;
  font-size: 1rem;
  cursor: pointer;
  transition: background 0.2s ease;
}
form.contact-form button:hover { background: var(--deep-green); }

/* Footer
   ========================================================================== */
footer {
  background: #12261b;
  color: #b9ccbf;
  text-align: center;
  padding: 2rem 1.5rem;
  font-size: 0.9rem;
}

/* Utilities
   ========================================================================== */
.text-center { text-align: center; }
.mt-2 { margin-top: 2rem; }