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

:root {
  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --text: #111827;
  --muted: #6b7280;
  --border: #e5e7eb;
  --light: #f9fafb;
  --accent: #4f46e5;
  --hero-bg: #111827;
  --max-w: 880px;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.65;
  color: var(--text);
  background: #fff;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ─── Layout ─────────────────────────────────────── */
.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 80px 24px;
}

.bg-light { background: var(--light); }

/* ─── Nav ────────────────────────────────────────── */
nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: #fff;
  border-bottom: 1px solid var(--border);
}

.nav-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.nav-brand {
  font-weight: 600;
  font-size: 15px;
  color: var(--text);
  white-space: nowrap;
  flex-shrink: 0;
}
.nav-brand:hover { text-decoration: none; }

.nav-links {
  display: flex;
  gap: 24px;
  list-style: none;
}

.nav-links a {
  font-size: 13px;
  font-weight: 500;
  color: var(--muted);
  white-space: nowrap;
  transition: color 0.15s;
}
.nav-links a:hover { color: var(--text); text-decoration: none; }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  flex-shrink: 0;
}
.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
}

@media (max-width: 720px) {
  .nav-toggle { display: flex; }
  .nav-links {
    display: none;
    flex-direction: column;
    gap: 0;
    position: absolute;
    top: 56px;
    left: 0;
    right: 0;
    background: #fff;
    border-bottom: 1px solid var(--border);
    padding: 8px 24px 16px;
  }
  .nav-links a {
    display: block;
    padding: 11px 0;
    border-bottom: 1px solid var(--border);
    font-size: 15px;
  }
  .nav-links li:last-child a { border-bottom: none; }
  nav.open .nav-links { display: flex; }
}

/* ─── Hero ───────────────────────────────────────── */
#hero {
  background: var(--hero-bg);
  color: #fff;
  padding: 110px 24px 96px;
}

.hero-inner {
  max-width: var(--max-w);
  margin: 0 auto;
}

#hero h1 {
  font-size: clamp(36px, 6vw, 60px);
  font-weight: 700;
  letter-spacing: -0.025em;
  line-height: 1.1;
  margin-bottom: 20px;
}

#hero p {
  font-size: clamp(16px, 2.5vw, 20px);
  color: #9ca3af;
  line-height: 1.55;
  margin-bottom: 40px;
  max-width: 540px;
}

.hero-cta {
  display: inline-block;
  padding: 11px 26px;
  background: var(--accent);
  color: #fff;
  border-radius: 6px;
  font-weight: 500;
  font-size: 15px;
  transition: opacity 0.15s;
}
.hero-cta:hover { opacity: 0.85; text-decoration: none; }

/* ─── Section headings ───────────────────────────── */
h2 {
  font-size: 24px;
  font-weight: 600;
  letter-spacing: -0.01em;
  margin-bottom: 6px;
}

.section-sub {
  color: var(--muted);
  font-size: 15px;
  margin-bottom: 32px;
}

/* ─── About ──────────────────────────────────────── */
.lead {
  font-size: 17px;
  margin-bottom: 16px;
}

#about p { margin-bottom: 14px; }
#about p:last-child { margin-bottom: 0; }

/* ─── Clean list (Who I Help, Projects, Pricing, Contact) ── */
.clean-list {
  list-style: none;
  border-top: 1px solid var(--border);
}

.clean-list li {
  padding: 14px 0;
  border-bottom: 1px solid var(--border);
  color: #374151;
}

/* ─── Service grid ───────────────────────────────── */
.service-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
}

@media (max-width: 560px) {
  .service-grid { grid-template-columns: 1fr; }
}

.service-card {
  padding: 22px 24px;
  border: 1px solid var(--border);
  border-radius: 8px;
}

.service-card h3 {
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 6px;
  letter-spacing: 0.01em;
}

.service-card p {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.55;
}

/* ─── Tag cloud ──────────────────────────────────── */
.tag-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tag {
  padding: 5px 13px;
  border: 1px solid var(--border);
  border-radius: 4px;
  font-size: 13px;
  color: #374151;
}

/* ─── Footer ─────────────────────────────────────── */
footer {
  background: var(--hero-bg);
  color: var(--muted);
}

footer .container {
  padding-top: 28px;
  padding-bottom: 28px;
}

footer p { font-size: 14px; }