/* ══════════════════════════════════════
   GrowMeridian — Global Styles
   Brand: Digital Horticulture
   ══════════════════════════════════════ */

:root {
  --dark-bg: #1A2E1A;
  --primary: #7AC142;
  --gold: #C9A84C;
  --teal: #2D8B5E;
  --mid-green: #3A7D44;
  --card-bg: #1E351E;
  --white: #FFFFFF;
  --gray: #B8C4B8;
  --body-txt: #E8EFE8;
  --light-bg: #F5F8F0;
  --font-heading: Georgia, 'Times New Roman', serif;
  --font-body: Calibri, 'Segoe UI', Tahoma, sans-serif;
}

/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: var(--font-body);
  background: var(--dark-bg);
  color: var(--body-txt);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }
a { color: var(--primary); text-decoration: none; transition: color .2s; }
a:hover { color: var(--gold); }

h1, h2, h3, h4 { font-family: var(--font-heading); color: var(--primary); line-height: 1.25; }
h1 { font-size: 2.75rem; }
h2 { font-size: 2rem; margin-bottom: 0.5em; }
h3 { font-size: 1.35rem; margin-bottom: 0.4em; }
h4 { font-size: 1.1rem; color: var(--gold); }

.container { max-width: 1140px; margin: 0 auto; padding: 0 1.5rem; }

/* ── Top Accent Bar ── */
.accent-bar { height: 4px; background: var(--primary); width: 100%; }

/* ══════════════════════════════════════
   HEADER / NAV
   ══════════════════════════════════════ */
header {
  background: var(--dark-bg);
  border-bottom: 1px solid var(--mid-green);
  position: sticky; top: 0; z-index: 100;
}
header .container {
  display: flex; align-items: center; justify-content: space-between;
  padding-top: 0.75rem; padding-bottom: 0.75rem;
}
.logo-link { display: flex; align-items: center; gap: 0.6rem; }
.logo-link img { height: 44px; width: auto; }
.logo-link span {
  font-family: var(--font-body); font-size: 1.15rem;
  color: var(--primary); letter-spacing: 3px; font-weight: 600;
}
.logo-link small {
  display: block; font-size: 0.55rem; color: var(--teal);
  letter-spacing: 2.5px; text-transform: uppercase; margin-top: -2px;
}

nav ul { list-style: none; display: flex; gap: 1.8rem; align-items: center; }
nav a {
  font-size: 0.92rem; color: var(--gray); font-weight: 500;
  transition: color .2s; position: relative;
}
nav a:hover, nav a.active { color: var(--primary); }
nav a::after {
  content: ''; position: absolute; bottom: -4px; left: 0;
  width: 0; height: 2px; background: var(--primary); transition: width .25s;
}
nav a:hover::after, nav a.active::after { width: 100%; }

.nav-cta {
  background: var(--primary); color: var(--dark-bg) !important;
  padding: 0.45rem 1.1rem; border-radius: 4px; font-weight: 700;
  font-size: 0.85rem; letter-spacing: 0.5px;
}
.nav-cta:hover { background: var(--gold); color: var(--dark-bg) !important; }
.nav-cta::after { display: none !important; }

/* Mobile menu toggle */
.menu-toggle { display: none; background: none; border: none; cursor: pointer; padding: 0.5rem; }
.menu-toggle span { display: block; width: 24px; height: 2px; background: var(--primary); margin: 5px 0; transition: .3s; }

/* ══════════════════════════════════════
   HERO
   ══════════════════════════════════════ */
.hero {
  padding: 5rem 0 4rem;
  background: linear-gradient(135deg, var(--dark-bg) 0%, #1e3a1e 50%, var(--dark-bg) 100%);
  text-align: center;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; bottom: 0;
  background: radial-gradient(ellipse at 50% 40%, rgba(122,193,66,0.06) 0%, transparent 70%);
}
.hero .container { position: relative; z-index: 1; }
.hero h1 { margin-bottom: 0.4em; }
.hero h1 .brand-green { color: var(--primary); }
.hero .tagline {
  font-size: 1.2rem; color: var(--teal); margin-bottom: 1rem;
  letter-spacing: 2px; font-weight: 400;
}
.hero .subtitle {
  font-size: 1.1rem; color: var(--body-txt); max-width: 700px;
  margin: 0 auto 2rem; line-height: 1.7;
}
.hero .cta-row { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; }

/* ── Buttons ── */
.btn {
  display: inline-block; padding: 0.75rem 1.8rem; border-radius: 4px;
  font-weight: 700; font-size: 0.95rem; transition: all .25s;
  cursor: pointer; border: 2px solid transparent; letter-spacing: 0.5px;
}
.btn-primary { background: var(--primary); color: var(--dark-bg); }
.btn-primary:hover { background: var(--gold); color: var(--dark-bg); }
.btn-outline {
  background: transparent; border-color: var(--teal); color: var(--teal);
}
.btn-outline:hover { border-color: var(--primary); color: var(--primary); }

/* ══════════════════════════════════════
   SECTIONS
   ══════════════════════════════════════ */
section { padding: 4.5rem 0; }
section:nth-child(even) { background: var(--card-bg); }

.section-header {
  text-align: center; margin-bottom: 3rem;
}
.section-header h2 { margin-bottom: 0.3em; }
.section-header .overline {
  font-size: 0.78rem; color: var(--gold); text-transform: uppercase;
  letter-spacing: 3px; font-weight: 700; margin-bottom: 0.5rem;
}
.section-header p {
  max-width: 640px; margin: 0 auto; color: var(--gray); font-size: 1rem;
}
.divider-line {
  width: 80px; height: 2px; background: var(--gold);
  margin: 0.8rem auto 1rem;
}

/* ── Cards ── */
.card-grid { display: grid; gap: 1.5rem; }
.card-grid.cols-2 { grid-template-columns: repeat(2, 1fr); }
.card-grid.cols-3 { grid-template-columns: repeat(3, 1fr); }
.card-grid.cols-4 { grid-template-columns: repeat(4, 1fr); }

.card {
  background: var(--card-bg); border-radius: 6px; padding: 1.8rem;
  border-left: 4px solid var(--primary);
  transition: transform .2s, box-shadow .2s;
}
.card:hover { transform: translateY(-3px); box-shadow: 0 8px 24px rgba(0,0,0,0.3); }
.card.border-teal { border-left-color: var(--teal); }
.card.border-gold { border-left-color: var(--gold); }
.card.border-mid { border-left-color: var(--mid-green); }

.card h3 { font-size: 1.15rem; }
.card p { font-size: 0.93rem; color: var(--gray); line-height: 1.6; }

/* ── Stat Cards ── */
.stat-card {
  text-align: center; background: var(--card-bg); border-radius: 6px;
  padding: 2rem 1.5rem;
}
.stat-card .stat-value {
  font-family: var(--font-heading); font-size: 2.5rem;
  font-weight: 700; margin-bottom: 0.3rem;
}
.stat-card .stat-label { font-size: 0.9rem; color: var(--gray); }

/* ── Two-column split ── */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; align-items: start; }
.split.reverse > :first-child { order: 2; }
.split.reverse > :last-child { order: 1; }

/* ── Feature list ── */
.feature-list { list-style: none; }
.feature-list li {
  padding: 0.6rem 0 0.6rem 1.6rem; position: relative;
  font-size: 0.95rem; color: var(--body-txt);
}
.feature-list li::before {
  content: '\2713'; position: absolute; left: 0; color: var(--primary);
  font-weight: 700; font-size: 1.05rem;
}

/* ── Pipeline / Flow ── */
.pipeline { display: flex; align-items: flex-start; gap: 0; justify-content: center; flex-wrap: wrap; }
.pipeline-step {
  flex: 1; min-width: 180px; max-width: 220px; text-align: center;
  padding: 1.5rem 1rem; position: relative;
}
.pipeline-step .step-num {
  width: 48px; height: 48px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-heading); font-size: 1.2rem; font-weight: 700;
  margin: 0 auto 0.8rem; color: var(--dark-bg);
}
.pipeline-step h4 { color: var(--primary); font-size: 1rem; margin-bottom: 0.4rem; }
.pipeline-step p { font-size: 0.85rem; color: var(--gray); }
.pipeline-arrow {
  display: flex; align-items: center; padding-top: 2.5rem;
  color: var(--primary); font-size: 1.5rem;
}

/* ── Team ── */
.team-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 1.5rem; }
.team-member { text-align: center; }
.team-member .avatar {
  width: 120px; height: 120px; border-radius: 50%; margin: 0 auto 1rem;
  background: var(--mid-green); overflow: hidden;
  border: 3px solid var(--primary);
}
.team-member .avatar img { width: 100%; height: 100%; object-fit: cover; }
.team-member h4 { color: var(--primary); font-size: 1.05rem; margin-bottom: 0.15rem; }
.team-member .role { font-size: 0.8rem; color: var(--gold); text-transform: uppercase; letter-spacing: 1px; }
.team-member p { font-size: 0.88rem; color: var(--gray); margin-top: 0.4rem; }

/* ── Partners ── */
.partner-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 1.2rem; }
.partner-card {
  background: var(--card-bg); border-radius: 6px; padding: 1.3rem 1.5rem;
  border-left: 3px solid var(--teal); display: flex; gap: 1rem; align-items: center;
}
.partner-card h4 { color: var(--primary); font-size: 1rem; margin-bottom: 0.2rem; }
.partner-card p { font-size: 0.85rem; color: var(--gray); }

/* ══════════════════════════════════════
   VRIC PARTNERSHIP SECTION
   ══════════════════════════════════════ */
.vric-hero {
  background: linear-gradient(135deg, var(--dark-bg) 0%, #14291a 100%);
  padding: 4rem 0;
}
.vric-columns { display: grid; grid-template-columns: 1fr 1fr; gap: 2rem; margin-top: 2rem; }
.vric-box {
  background: var(--card-bg); border-radius: 6px; padding: 2rem;
  border-top: 4px solid var(--teal);
}
.vric-box.gold-border { border-top-color: var(--gold); }

/* ── CTA Banner ── */
.cta-banner {
  background: var(--mid-green); padding: 3rem 0; text-align: center;
}
.cta-banner h2 { color: var(--white); margin-bottom: 0.5rem; }
.cta-banner p { color: var(--body-txt); margin-bottom: 1.5rem; max-width: 600px; margin-left: auto; margin-right: auto; }

/* ══════════════════════════════════════
   CONTACT / FORM
   ══════════════════════════════════════ */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; }
.contact-info h3 { margin-bottom: 1rem; }
.contact-info p { margin-bottom: 0.6rem; }
.contact-info a { color: var(--primary); }

.contact-form label {
  display: block; font-size: 0.85rem; color: var(--gold);
  margin-bottom: 0.3rem; font-weight: 600;
}
.contact-form input,
.contact-form textarea,
.contact-form select {
  width: 100%; padding: 0.7rem 1rem; border-radius: 4px;
  border: 1px solid var(--mid-green); background: var(--card-bg);
  color: var(--body-txt); font-family: var(--font-body);
  font-size: 0.95rem; margin-bottom: 1rem; transition: border-color .2s;
}
.contact-form input:focus,
.contact-form textarea:focus,
.contact-form select:focus {
  outline: none; border-color: var(--primary);
}
.contact-form textarea { min-height: 130px; resize: vertical; }

/* ══════════════════════════════════════
   FOOTER
   ══════════════════════════════════════ */
footer {
  background: #111e11; padding: 3rem 0 1.5rem;
  border-top: 1px solid var(--mid-green);
}
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 2rem; margin-bottom: 2rem; }
.footer-brand img { height: 36px; margin-bottom: 0.8rem; }
.footer-brand p { font-size: 0.85rem; color: var(--gray); max-width: 260px; }
footer h4 { font-size: 0.85rem; color: var(--gold); text-transform: uppercase; letter-spacing: 1.5px; margin-bottom: 0.8rem; }
footer ul { list-style: none; }
footer li { margin-bottom: 0.4rem; }
footer li a { font-size: 0.88rem; color: var(--gray); }
footer li a:hover { color: var(--primary); }
.footer-bottom {
  border-top: 1px solid var(--mid-green); padding-top: 1rem;
  display: flex; justify-content: space-between; align-items: center;
  font-size: 0.8rem; color: var(--gray);
}

/* ══════════════════════════════════════
   PAGE-SPECIFIC
   ══════════════════════════════════════ */
.page-hero {
  padding: 3.5rem 0 2.5rem; text-align: center;
  background: linear-gradient(135deg, var(--dark-bg) 0%, #1e3a1e 100%);
}
.page-hero h1 { font-size: 2.2rem; margin-bottom: 0.4rem; }
.page-hero p { color: var(--teal); font-size: 1.05rem; }

.breadcrumb { font-size: 0.82rem; color: var(--gray); margin-bottom: 1rem; }
.breadcrumb a { color: var(--teal); }

/* ══════════════════════════════════════
   RESPONSIVE
   ══════════════════════════════════════ */
@media (max-width: 900px) {
  .card-grid.cols-3, .card-grid.cols-4 { grid-template-columns: repeat(2, 1fr); }
  .split, .vric-columns, .contact-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  h1 { font-size: 2rem; }
}
@media (max-width: 640px) {
  .card-grid.cols-2, .card-grid.cols-3, .card-grid.cols-4 { grid-template-columns: 1fr; }
  nav ul { display: none; }
  .menu-toggle { display: block; }
  nav.open ul {
    display: flex; flex-direction: column; position: absolute;
    top: 100%; left: 0; right: 0; background: var(--dark-bg);
    padding: 1rem 1.5rem; border-bottom: 2px solid var(--primary);
  }
  .hero { padding: 3rem 0 2.5rem; }
  .pipeline { flex-direction: column; align-items: center; }
  .pipeline-arrow { transform: rotate(90deg); padding: 0; }
  .footer-grid { grid-template-columns: 1fr; }
}