/* ============================================================
   Abacus Webware — Shared Stylesheet
   ============================================================ */

:root {
  --green-900: #0f2e18;
  --green-800: #1a4728;
  --green-700: #215c32;
  --green-600: #2d7a44;
  --green-500: #3a9955;
  --green-400: #5cb87a;
  --green-100: #d6f0df;
  --green-50:  #f0faf3;

  --gray-900: #1a1a1a;
  --gray-700: #3d3d3d;
  --gray-500: #6b6b6b;
  --gray-300: #c4c4c4;
  --gray-100: #f4f4f4;
  --white:    #ffffff;

  --accent:        var(--green-600);
  --accent-dark:   var(--green-800);
  --accent-light:  var(--green-50);
  --text-primary:  var(--gray-900);
  --text-muted:    var(--gray-500);
  --border:        var(--gray-300);

  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 14px;

  --shadow-sm: 0 1px 4px rgba(0,0,0,0.07);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.10);

  --font: 'Inter', 'Segoe UI', system-ui, sans-serif;
  --max-w: 1100px;
  --nav-h: 68px;
}

/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.7;
  color: var(--text-primary);
  background: var(--white);
}
img { max-width: 100%; display: block; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
ul, ol { padding-left: 1.4rem; }

/* ── Typography ── */
h1, h2, h3, h4 { line-height: 1.25; font-weight: 700; color: var(--gray-900); }
h1 { font-size: clamp(2rem, 4vw, 3rem); }
h2 { font-size: clamp(1.5rem, 3vw, 2.1rem); }
h3 { font-size: 1.2rem; }
p  { margin-bottom: 1rem; }

/* ── Layout ── */
.container { max-width: var(--max-w); margin: 0 auto; padding: 0 1.5rem; }
.section    { padding: 5rem 0; }
.section-alt { background: var(--green-50); }

/* ── Navigation ── */
nav {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--nav-h);
  background: var(--white);
  border-bottom: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
}
.nav-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 1.5rem;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--green-800);
  text-decoration: none;
}
.nav-brand span { color: var(--green-600); }
.nav-links {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  list-style: none;
  padding: 0;
}
.nav-links a {
  padding: 0.45rem 0.85rem;
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--gray-700);
  text-decoration: none;
  transition: background 0.15s, color 0.15s;
}
.nav-links a:hover,
.nav-links a.active { background: var(--green-50); color: var(--green-700); }
.nav-cta {
  background: var(--accent) !important;
  color: var(--white) !important;
  border-radius: var(--radius-md) !important;
  padding: 0.45rem 1.1rem !important;
}
.nav-cta:hover { background: var(--green-700) !important; }

/* Hamburger */
.nav-toggle { display: none; background: none; border: none; cursor: pointer; padding: 0.5rem; }
.nav-toggle span {
  display: block; width: 22px; height: 2px;
  background: var(--gray-700); margin: 5px 0;
  transition: all 0.2s;
}

/* ── Hero ── */
.hero {
  background: linear-gradient(135deg, var(--green-900) 0%, var(--green-700) 100%);
  color: var(--white);
  padding: 6rem 0 5rem;
  text-align: center;
}
.hero h1 { color: var(--white); margin-bottom: 1.25rem; }
.hero p  {
  font-size: 1.2rem;
  color: rgba(255,255,255,0.85);
  max-width: 640px;
  margin: 0 auto 2.25rem;
}
.hero-badges {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 2.5rem;
}
.badge {
  background: rgba(255,255,255,0.15);
  border: 1px solid rgba(255,255,255,0.3);
  color: var(--white);
  padding: 0.35rem 1rem;
  border-radius: 99px;
  font-size: 0.85rem;
  font-weight: 500;
}

/* ── Buttons ── */
.btn {
  display: inline-block;
  padding: 0.75rem 1.75rem;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  text-decoration: none;
  transition: background 0.15s, transform 0.1s;
  border: none;
}
.btn:active { transform: scale(0.98); }
.btn-primary  { background: var(--accent); color: var(--white); }
.btn-primary:hover { background: var(--green-700); text-decoration: none; color: var(--white); }
.btn-outline  { background: transparent; border: 2px solid var(--white); color: var(--white); }
.btn-outline:hover { background: rgba(255,255,255,0.12); text-decoration: none; color: var(--white); }
.btn-dark     { background: var(--green-800); color: var(--white); }
.btn-dark:hover { background: var(--green-900); text-decoration: none; color: var(--white); }

/* ── Cards ── */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}
.card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  box-shadow: var(--shadow-sm);
  transition: box-shadow 0.2s, transform 0.2s;
}
.card:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }
.card-icon {
  width: 48px; height: 48px;
  background: var(--green-100);
  border-radius: var(--radius-md);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 1rem;
  font-size: 1.5rem;
}
.card h3 { margin-bottom: 0.5rem; }

/* ── Section headings ── */
.section-label {
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--green-600);
  margin-bottom: 0.6rem;
}
.section-title { margin-bottom: 1rem; }
.section-sub   { color: var(--text-muted); max-width: 600px; margin-bottom: 3rem; font-size: 1.05rem; }

/* ── Testimonial ── */
.testimonial {
  background: var(--green-800);
  color: var(--white);
  border-radius: var(--radius-lg);
  padding: 2.5rem 3rem;
  position: relative;
}
.testimonial blockquote {
  font-size: 1.2rem;
  font-style: italic;
  line-height: 1.7;
  margin-bottom: 1.25rem;
  color: rgba(255,255,255,0.92);
}
.testimonial cite { font-size: 0.9rem; color: var(--green-100); font-style: normal; font-weight: 600; }

/* ── Logo strip ── */
.logo-strip {
  padding: 3rem 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: var(--gray-100);
}
.logo-strip p {
  text-align: center;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 1.5rem;
}
.logo-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 2rem 3rem;
}
.logo-grid img { height: 40px; width: auto; filter: grayscale(1) opacity(0.6); transition: filter 0.2s; }
.logo-grid img:hover { filter: grayscale(0) opacity(1); }

/* ── Stats bar ── */
.stats-bar {
  background: var(--green-800);
  color: var(--white);
  padding: 3rem 0;
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 2rem;
  text-align: center;
}
.stat-num  { font-size: 2.5rem; font-weight: 800; color: var(--green-400); line-height: 1; }
.stat-label{ font-size: 0.95rem; color: rgba(255,255,255,0.75); margin-top: 0.4rem; }

/* ── Steps / Process ── */
.steps { counter-reset: step; display: grid; gap: 1.5rem; }
.step  {
  display: grid;
  grid-template-columns: 3rem 1fr;
  gap: 1.25rem;
  align-items: start;
}
.step-num {
  counter-increment: step;
  width: 3rem; height: 3rem;
  background: var(--green-100);
  color: var(--green-800);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-weight: 800; font-size: 1rem;
  flex-shrink: 0;
}
.step-num::before { content: counter(step); }
.step-body h3 { margin-bottom: 0.3rem; font-size: 1rem; }
.step-body p  { margin: 0; color: var(--text-muted); font-size: 0.95rem; }

/* ── CTA Banner ── */
.cta-banner {
  background: var(--green-800);
  color: var(--white);
  text-align: center;
  padding: 5rem 1.5rem;
}
.cta-banner h2 { color: var(--white); margin-bottom: 1rem; }
.cta-banner p  { color: rgba(255,255,255,0.8); max-width: 520px; margin: 0 auto 2rem; }

/* ── Contact ── */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
}
.contact-info h3   { margin-bottom: 1.5rem; }
.contact-detail    { display: flex; align-items: flex-start; gap: 1rem; margin-bottom: 1.25rem; }
.contact-detail-icon {
  width: 40px; height: 40px; flex-shrink: 0;
  background: var(--green-100);
  border-radius: var(--radius-md);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.1rem;
}
.contact-detail-text p { margin: 0; font-size: 0.95rem; }
.contact-detail-text strong { display: block; font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--text-muted); margin-bottom: 0.15rem; }

.contact-form { background: var(--white); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 2rem; box-shadow: var(--shadow-sm); }
.form-group   { margin-bottom: 1.25rem; }
.form-group label { display: block; font-size: 0.875rem; font-weight: 600; margin-bottom: 0.4rem; color: var(--gray-700); }
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 0.65rem 0.9rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  font-family: var(--font);
  font-size: 0.95rem;
  color: var(--text-primary);
  background: var(--white);
  transition: border-color 0.15s;
  outline: none;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus { border-color: var(--accent); box-shadow: 0 0 0 3px var(--green-100); }
.form-group textarea { resize: vertical; min-height: 130px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }

/* ── Footer ── */
footer {
  background: var(--green-900);
  color: rgba(255,255,255,0.75);
  padding: 3rem 0 2rem;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 2.5rem;
}
.footer-brand { font-size: 1.1rem; font-weight: 700; color: var(--white); margin-bottom: 0.75rem; }
.footer-brand span { color: var(--green-400); }
.footer-desc { font-size: 0.9rem; line-height: 1.6; }
footer h4 { color: var(--white); font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.1em; margin-bottom: 1rem; }
footer ul { list-style: none; padding: 0; }
footer ul li { margin-bottom: 0.5rem; }
footer ul a { color: rgba(255,255,255,0.65); font-size: 0.9rem; text-decoration: none; transition: color 0.15s; }
footer ul a:hover { color: var(--white); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 1.5rem;
  display: flex; justify-content: space-between; align-items: center;
  font-size: 0.85rem;
}

/* ── Page hero (inner pages) ── */
.page-hero {
  background: linear-gradient(135deg, var(--green-900) 0%, var(--green-700) 100%);
  color: var(--white);
  padding: 4rem 0 3.5rem;
}
.page-hero h1 { color: var(--white); margin-bottom: 0.75rem; font-size: clamp(1.8rem, 3.5vw, 2.6rem); }
.page-hero p  { color: rgba(255,255,255,0.82); font-size: 1.1rem; max-width: 600px; margin: 0; }

/* ── Responsive ── */
@media (max-width: 768px) {
  .nav-links { display: none; flex-direction: column; position: absolute; top: var(--nav-h); left: 0; right: 0; background: var(--white); border-bottom: 1px solid var(--border); padding: 1rem 1.5rem; gap: 0.25rem; }
  .nav-links.open { display: flex; }
  .nav-toggle { display: block; }
  .contact-grid { grid-template-columns: 1fr; gap: 2rem; }
  .footer-grid  { grid-template-columns: 1fr; gap: 2rem; }
  .form-row     { grid-template-columns: 1fr; }
  .hero { padding: 4rem 0 3.5rem; }
  .section { padding: 3.5rem 0; }
  .testimonial { padding: 1.75rem; }
}