/* ─── Section rhythm ─────────────────────────────────────── */
section { padding: var(--s11) 0; position: relative; }

@media (max-width: 768px) { section { padding: var(--s10) 0; } }
@media (max-width: 640px) { section { padding: var(--s9) 0; } }

/* Alternating section backgrounds */
.proof, .services, .coaching { background: var(--bg-elev); }
.problems, .portfolio, .cta-strip { background: var(--bg); }

.section-head {
  max-width: 700px;
  margin-bottom: var(--s9);
}
.section-head__title { margin-top: var(--s4); }
.section-head__sub {
  margin-top: var(--s5);
  font-size: 1.1rem;
  color: var(--text-muted);
  line-height: 1.65;
}

/* ─── Nav ────────────────────────────────────────────────── */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 50;
  padding: var(--s4) 0;
}

/* ─── Hero ───────────────────────────────────────────────── */
.hero {
  padding: 160px 0 var(--s11);
  overflow: hidden;
}
@media (max-width: 768px) { .hero { padding: 100px 0 var(--s10); } }
@media (max-width: 480px)  { .hero { padding: 84px 0 var(--s9); } }

.hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--border) 1px, transparent 1px),
    linear-gradient(90deg, var(--border) 1px, transparent 1px);
  background-size: 64px 64px;
  background-position: -1px -1px;
  opacity: 0.5;
  pointer-events: none;
  -webkit-mask-image: radial-gradient(ellipse 80% 80% at 50% 40%, black 30%, transparent 80%);
  mask-image: radial-gradient(ellipse 80% 80% at 50% 40%, black 30%, transparent 80%);
  z-index: 0;
}

.hero__grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: var(--s9);
  align-items: center;
  position: relative;
  z-index: 1;
}

@media (max-width: 1024px) { .hero__grid { grid-template-columns: 1fr; } }

.hero__sub {
  margin-top: var(--s6);
  font-size: 1.125rem;
  max-width: 560px;
  line-height: 1.65;
}

.hero__cta { margin-top: var(--s8); display: flex; flex-wrap: wrap; gap: var(--s4); }
@media (max-width: 480px) {
  .hero__cta { flex-direction: column; }
  .hero__cta .btn { width: 100%; justify-content: center; }
}

.hero__headline { margin-top: var(--s6); }

.hero__meta {
  margin-top: var(--s7);
  display: flex; align-items: center; gap: var(--s3);
  font-family: var(--font-mono); font-size: 0.78rem; color: var(--text-dim);
}

/* ─── Proof bar ──────────────────────────────────────────── */
.proof { border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); padding: var(--s9) 0; }

.proof__grid {
  display: grid; grid-template-columns: repeat(5, 1fr); gap: var(--s7);
}
@media (max-width: 1024px) { .proof__grid { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 640px)  { .proof__grid { grid-template-columns: repeat(2, 1fr); gap: var(--s6); } }

/* ─── Problems ───────────────────────────────────────────── */
.problems__grid {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--s6);
}
@media (max-width: 768px) { .problems__grid { grid-template-columns: 1fr; } }

/* ─── Services accordion ─────────────────────────────────── */
.accordion { border-top: 1px solid var(--border); }

.ladder { margin-top: var(--s10); }
.ladder__head {
  display: flex; align-items: baseline; justify-content: space-between;
  flex-wrap: wrap; gap: var(--s4); margin-bottom: var(--s7);
}
.ladder__head h3 { font-size: 1.4rem; }
.ladder__head p  { font-size: 0.95rem; max-width: 480px; }

.ladder__grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--s5);
}
@media (max-width: 1024px) { .ladder__grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px)  { .ladder__grid { grid-template-columns: 1fr; } }

/* ─── Portfolio ──────────────────────────────────────────── */
.portfolio__grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: var(--s8); align-items: center;
}
@media (max-width: 1024px) { .portfolio__grid { grid-template-columns: 1fr; } }

/* ─── Coaching ───────────────────────────────────────────── */
.coaching__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--s6); }
@media (max-width: 768px) { .coaching__grid { grid-template-columns: 1fr; } }

/* ─── About ──────────────────────────────────────────────── */
.about { border-top: 1px solid var(--border); }

.expertise-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--s5);
  margin-bottom: var(--s10);
}
@media (max-width: 1024px) { .expertise-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px)  { .expertise-grid { grid-template-columns: 1fr; } }

.principles {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--s7);
  padding-top: var(--s9);
  border-top: 1px solid var(--border);
}
@media (max-width: 768px) { .principles { grid-template-columns: 1fr; gap: var(--s6); } }

/* ─── CTA strip ──────────────────────────────────────────── */
.cta-strip { padding: var(--s10) 0; text-align: center; border-top: 1px solid var(--border); }

/* ─── Footer ─────────────────────────────────────────────── */
.footer { background: var(--bg-elev); border-top: 1px solid var(--border); padding: var(--s9) 0 var(--s7); }

.footer__grid {
  display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: var(--s8); margin-bottom: var(--s8);
}
@media (max-width: 768px) { .footer__grid { grid-template-columns: 1fr 1fr; gap: var(--s7); } }

.footer__bottom {
  border-top: 1px solid var(--border); padding-top: var(--s6);
  display: flex; justify-content: space-between; align-items: center;
  flex-wrap: wrap; gap: var(--s4);
}

/* ─── Mobile utilities ───────────────────────────────────── */
@media (max-width: 640px) { .hide-mobile { display: none !important; } }
@media (max-width: 480px) {
  .container { padding-left: var(--s4); padding-right: var(--s4); }
}