/* ── Vantage Growth Partners — Professional Services Template 03 ── */
:root {
  --bg: #0B0D10;
  --bg-alt: #14171B;
  --card: #191D22;
  --border: #2A2F36;
  --lime: #D4FF3D;
  --lime-dim: #A8CC2F;
  --white: #F5F6F7;
  --text: #E4E6E8;
  --muted: #9098A3;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: 'Inter', sans-serif; background: var(--bg); color: var(--text); line-height: 1.7; }

h1, h2, h3 { font-family: 'Space Grotesk', sans-serif; font-weight: 700; color: var(--white); line-height: 1.15; letter-spacing: -0.01em; }
h1 { font-size: clamp(2.4rem, 5.5vw, 4rem); }
h2 { font-size: clamp(1.9rem, 4vw, 2.6rem); }
h3 { font-size: 1.25rem; }
p { color: var(--muted); }
a { text-decoration: none; color: inherit; }
img { max-width: 100%; display: block; }

.container { max-width: 1180px; margin: 0 auto; padding: 0 2rem; }
.section { padding: 6rem 0; }
.section-alt { background: var(--bg-alt); }

.eyebrow {
  display: inline-flex; align-items: center; gap: 0.6rem;
  font-family: 'Space Grotesk', sans-serif; font-size: 0.8rem; font-weight: 700;
  letter-spacing: 0.08em; text-transform: uppercase; color: var(--lime); margin-bottom: 1.2rem;
}
.eyebrow::before { content: ''; width: 8px; height: 8px; background: var(--lime); border-radius: 50%; display: inline-block; }

/* ── HEADER ── */
.site-header { position: sticky; top: 0; z-index: 100; background: rgba(11,13,16,0.92); backdrop-filter: blur(10px); padding: 1.15rem 0; border-bottom: 1px solid var(--border); }
.header-inner { display: flex; align-items: center; justify-content: space-between; }
.logo-text { font-family: 'Space Grotesk', sans-serif; font-size: 1.4rem; font-weight: 700; color: var(--white); }
.logo-text span { color: var(--lime); }
.nav-links { display: flex; align-items: center; gap: 2.2rem; }
.nav-link { font-size: 0.9rem; font-weight: 500; color: var(--text); transition: color 0.2s; }
.nav-link:hover { color: var(--lime); }
.btn-nav { background: var(--lime); color: var(--bg); font-weight: 700; font-size: 0.85rem; padding: 0.75rem 1.5rem; border-radius: 4px; transition: background 0.2s; }
.btn-nav:hover { background: var(--lime-dim); }
.hamburger { display: none; flex-direction: column; gap: 5px; cursor: pointer; background: none; border: none; padding: 4px; }
.hamburger span { display: block; width: 24px; height: 2px; background: var(--white); }

.mobile-nav {
  display: none; position: fixed; top: 4.3rem; left: 1rem; right: 1rem; z-index: 99;
  background: var(--card); border: 1px solid var(--border); border-radius: 8px;
  padding: 1.6rem 2rem; flex-direction: column; gap: 1.2rem; box-shadow: 0 20px 50px rgba(0,0,0,0.4);
}
.mobile-nav.open { display: flex; }
.mobile-nav a { font-size: 1rem; font-weight: 600; color: var(--white); }

/* ── HERO ── */
.hero { padding: 6rem 0 5rem; background:
  radial-gradient(ellipse 900px 500px at 80% -10%, rgba(212,255,61,0.09), transparent);
}
.hero-content { max-width: 760px; }
.hero h1 { margin-bottom: 1.4rem; }
.hero h1 .accent { color: var(--lime); }
.hero p.lead { font-size: 1.15rem; max-width: 560px; margin-bottom: 2.4rem; }
.hero-ctas { display: flex; gap: 1rem; flex-wrap: wrap; margin-bottom: 3.5rem; }
.btn-primary { background: var(--lime); color: var(--bg); font-weight: 700; font-size: 0.95rem; padding: 1rem 2.1rem; border-radius: 4px; display: inline-block; transition: background 0.2s; }
.btn-primary:hover { background: var(--lime-dim); }
.btn-outline { border: 1px solid var(--border); color: var(--white); font-weight: 600; font-size: 0.95rem; padding: 1rem 2.1rem; border-radius: 4px; display: inline-block; transition: all 0.2s; }
.btn-outline:hover { border-color: var(--lime); color: var(--lime); }

.hero-stats-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; border-top: 1px solid var(--border); padding-top: 2.5rem; }
.hero-stat .num { font-family: 'Space Grotesk', sans-serif; font-size: 2.4rem; font-weight: 700; color: var(--lime); }
.hero-stat .label { font-size: 0.82rem; color: var(--muted); font-weight: 500; margin-top: 0.2rem; }

/* ── APPROACH / SERVICES ── */
.approach-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.6rem; margin-top: 3rem; }
.approach-card { background: var(--card); border: 1px solid var(--border); border-radius: 8px; padding: 2.2rem; transition: border-color 0.2s; }
.approach-card:hover { border-color: var(--lime); }
.approach-num { font-family: 'Space Grotesk', sans-serif; font-size: 0.85rem; font-weight: 700; color: var(--lime); margin-bottom: 1rem; }
.approach-card h3 { margin-bottom: 0.7rem; }
.approach-card p { font-size: 0.9rem; }

/* ── CASE STUDIES ── */
.case-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.6rem; margin-top: 3rem; }
.case-card { background: var(--bg); border: 1px solid var(--border); border-radius: 8px; overflow: hidden; }
.case-tag { display: inline-block; font-size: 0.72rem; font-weight: 700; letter-spacing: 0.04em; text-transform: uppercase; color: var(--lime); background: rgba(212,255,61,0.1); padding: 0.35rem 0.8rem; border-radius: 3px; margin-bottom: 1.2rem; }
.case-card-body { padding: 2rem; }
.case-card h3 { font-size: 1.1rem; margin-bottom: 0.7rem; }
.case-card p.challenge { font-size: 0.87rem; margin-bottom: 1.6rem; }
.case-metric { display: flex; align-items: baseline; gap: 0.6rem; padding-top: 1.4rem; border-top: 1px solid var(--border); }
.case-metric .metric-num { font-family: 'Space Grotesk', sans-serif; font-size: 2rem; font-weight: 700; color: var(--lime); }
.case-metric .metric-label { font-size: 0.8rem; color: var(--muted); font-weight: 500; }

/* ── PROCESS TIMELINE (vertical) ── */
.timeline { max-width: 720px; margin: 3rem auto 0; position: relative; }
.timeline::before { content: ''; position: absolute; left: 27px; top: 10px; bottom: 10px; width: 1px; background: var(--border); }
.timeline-step { display: flex; gap: 2rem; padding-bottom: 3rem; position: relative; }
.timeline-step:last-child { padding-bottom: 0; }
.timeline-marker { flex-shrink: 0; width: 56px; height: 56px; border-radius: 50%; background: var(--card); border: 1px solid var(--lime); color: var(--lime); font-family: 'Space Grotesk', sans-serif; font-weight: 700; font-size: 1.2rem; display: flex; align-items: center; justify-content: center; z-index: 1; }
.timeline-content h3 { margin-bottom: 0.6rem; }
.timeline-content p { font-size: 0.92rem; max-width: 520px; }

/* ── TESTIMONIALS ── */
.testimonial-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.6rem; margin-top: 3rem; }
.testimonial-card { background: var(--card); border: 1px solid var(--border); border-left: 3px solid var(--lime); border-radius: 4px; padding: 2.2rem; }
.testimonial-card p.quote { font-size: 1rem; color: var(--white); margin-bottom: 1.4rem; }
.testimonial-author { font-size: 0.85rem; font-weight: 700; color: var(--lime); }
.testimonial-author span { display: block; font-size: 0.78rem; font-weight: 400; color: var(--muted); margin-top: 0.1rem; }

/* ── FINAL CTA ── */
.final-cta { text-align: center; padding: 6rem 2rem; background: var(--bg-alt); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.final-cta .eyebrow { justify-content: center; }
.final-cta h2 { max-width: 640px; margin: 0 auto 1.2rem; }
.final-cta p { max-width: 480px; margin: 0 auto 2.2rem; }

/* ── FOOTER ── */
.site-footer { background: var(--bg); padding: 3rem 2rem 2rem; }
.footer-inner { max-width: 1180px; margin: 0 auto; display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 1.5rem; padding-bottom: 2rem; border-bottom: 1px solid var(--border); }
.footer-logo-text { font-family: 'Space Grotesk', sans-serif; font-size: 1.3rem; font-weight: 700; color: var(--white); }
.footer-logo-text span { color: var(--lime); }
.footer-links { display: flex; gap: 2rem; flex-wrap: wrap; }
.footer-links a { font-size: 0.85rem; font-weight: 500; color: var(--muted); transition: color 0.2s; }
.footer-links a:hover { color: var(--lime); }
.footer-bottom { max-width: 1180px; margin: 1.5rem auto 0; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 0.5rem; }
.footer-copy, .footer-credit { font-size: 0.8rem; color: #565D66; }
.footer-credit a { color: var(--muted); }
.footer-credit a:hover { color: var(--lime); }

/* ── RESPONSIVE ── */
@media (max-width: 1024px) {
  .approach-grid, .case-grid { grid-template-columns: 1fr 1fr; }
  .testimonial-grid { grid-template-columns: 1fr; }
  .hero-stats-row { grid-template-columns: 1fr; gap: 1.5rem; }
}
@media (max-width: 768px) {
  .nav-links { display: none; }
  .hamburger { display: flex; }
  .container { padding: 0 1.25rem; }
  .section { padding: 4rem 0; }
  .approach-grid, .case-grid { grid-template-columns: 1fr; }
  .timeline::before { left: 22px; }
  .timeline-marker { width: 46px; height: 46px; font-size: 1rem; }
  .timeline-step { gap: 1.4rem; }
  .hero { padding: 4rem 0 3rem; }
}