/* AFY — simple consulting site */

:root {
  /* Pastel sage & mint — light surfaces */
  --bg: #ecf4ef;
  --bg-elevated: #f5faf7;
  --surface: #ffffff;
  --border: rgba(30, 70, 55, 0.11);
  --text: #1c2e26;
  --text-muted: #5c6f66;
  /* Deeper mint/sage for contrast on light backgrounds */
  --accent: #3d8b6e;
  --accent-hover: #2d6b52;
  --on-accent: #ffffff;
  --accent-soft: rgba(61, 139, 110, 0.14);
  --accent-glow: rgba(61, 139, 110, 0.3);
  --accent-border: rgba(61, 139, 110, 0.28);
  --shadow-soft: 0 14px 44px rgba(25, 55, 45, 0.07);
  --shadow-card: 0 8px 28px rgba(25, 55, 45, 0.06);
  --font-sans: "Instrument Sans", system-ui, sans-serif;
  --font-serif: "Instrument Serif", Georgia, serif;
  --radius: 12px;
  --radius-lg: 20px;
  --max: 1100px;
  --narrow: 680px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  color-scheme: light;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 1.0625rem;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

.skip-link {
  position: absolute;
  top: -100px;
  left: 1rem;
  padding: 0.5rem 1rem;
  background: var(--accent);
  color: var(--on-accent);
  border-radius: 4px;
  z-index: 100;
  font-weight: 600;
}

.skip-link:focus {
  top: 1rem;
}

a {
  color: var(--accent);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

a:hover {
  color: var(--accent-hover);
}

.container {
  width: min(100% - 2.5rem, var(--max));
  margin-inline: auto;
}

.narrow {
  max-width: var(--narrow);
  margin-inline: auto;
}

/* Header */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(236, 244, 239, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 4rem;
}

.logo {
  font-weight: 700;
  font-size: clamp(1rem, 3.2vw, 1.2rem);
  letter-spacing: 0.04em;
  color: var(--text);
  text-decoration: none;
  white-space: nowrap;
}

.logo:hover {
  color: var(--accent);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 6px;
  width: 2.75rem;
  height: 2.75rem;
  padding: 0;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--bg-elevated);
  cursor: pointer;
}

.nav-toggle-bar {
  display: block;
  width: 1.25rem;
  height: 2px;
  margin-inline: auto;
  background: var(--text);
  border-radius: 1px;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.site-nav ul {
  display: flex;
  align-items: center;
  gap: 2rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.site-nav a {
  color: var(--text-muted);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.9375rem;
}

.site-nav a:hover {
  color: var(--text);
}

.site-nav .nav-cta {
  padding: 0.5rem 1rem;
  background: var(--accent-soft);
  color: var(--accent);
  border-radius: 999px;
  border: 1px solid var(--accent-border);
}

.site-nav .nav-cta:hover {
  background: rgba(61, 139, 110, 0.18);
  color: var(--accent-hover);
}

@media (max-width: 768px) {
  .nav-toggle {
    display: flex;
  }

  .site-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--bg-elevated);
    border-bottom: 1px solid var(--border);
    padding: 1rem 1.25rem 1.25rem;
    visibility: hidden;
    opacity: 0;
    transform: translateY(-8px);
    transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s;
  }

  .site-nav.is-open {
    visibility: visible;
    opacity: 1;
    transform: translateY(0);
  }

  .site-nav ul {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
  }

  .site-nav li {
    border-bottom: 1px solid var(--border);
  }

  .site-nav li:last-child {
    border-bottom: none;
    padding-top: 0.75rem;
  }

  .site-nav a {
    display: block;
    padding: 0.75rem 0;
  }

  .site-nav .nav-cta {
    text-align: center;
  }

  .nav-toggle[aria-expanded="true"] .nav-toggle-bar:first-child {
    transform: translateY(4px) rotate(45deg);
  }

  .nav-toggle[aria-expanded="true"] .nav-toggle-bar:last-child {
    transform: translateY(-4px) rotate(-45deg);
  }
}

/* Hero */

.hero {
  padding: clamp(3rem, 8vw, 5.5rem) 0 clamp(4rem, 10vw, 6rem);
  background:
    radial-gradient(ellipse 90% 55% at 50% -15%, rgba(190, 228, 210, 0.55), transparent),
    radial-gradient(ellipse 55% 45% at 100% 5%, rgba(210, 235, 225, 0.5), transparent),
    radial-gradient(ellipse 40% 35% at 0% 80%, rgba(200, 225, 215, 0.35), transparent),
    var(--bg);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
  align-items: start;
}

@media (min-width: 900px) {
  .hero-grid {
    grid-template-columns: 1.1fr 0.9fr;
    gap: 4rem;
    align-items: center;
  }
}

.eyebrow {
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0 0 1rem;
}

.hero h1 {
  font-family: var(--font-serif);
  font-size: clamp(2.25rem, 5vw, 3.25rem);
  font-weight: 400;
  line-height: 1.15;
  margin: 0 0 1.25rem;
  letter-spacing: -0.02em;
}

.hero h1 em {
  font-style: italic;
  color: #4a7d68;
}

.lead {
  font-size: 1.125rem;
  color: var(--text-muted);
  max-width: 36ch;
  margin: 0 0 2rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.65rem 1.25rem;
  font-family: inherit;
  font-size: 0.9375rem;
  font-weight: 600;
  border-radius: 999px;
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: background 0.15s ease, border-color 0.15s ease, color 0.15s ease;
}

.btn-primary {
  background: var(--accent);
  color: var(--on-accent);
  border-color: var(--accent);
}

.btn-primary:hover {
  background: var(--accent-hover);
  border-color: var(--accent-hover);
  color: var(--on-accent);
}

.btn-ghost {
  background: transparent;
  color: var(--text);
  border-color: var(--border);
}

.btn-ghost:hover {
  border-color: var(--text-muted);
  color: var(--text);
}

.btn-large {
  padding: 0.85rem 1.5rem;
  font-size: 1rem;
}

.hero-panel {
  display: flex;
  justify-content: stretch;
}

.hero-card {
  width: 100%;
  padding: 1.5rem 1.75rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-soft);
}

.hero-card-label {
  display: block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 1rem;
}

.hero-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.hero-list li {
  position: relative;
  padding-left: 1.25rem;
  margin-bottom: 0.65rem;
  color: var(--text-muted);
  font-size: 0.9375rem;
}

.hero-list li:last-child {
  margin-bottom: 0;
}

.hero-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 12px var(--accent-glow);
}

/* Sections */

.section {
  padding: clamp(3.5rem, 8vw, 5rem) 0;
}

.section-head {
  text-align: center;
  max-width: 560px;
  margin: 0 auto 2.5rem;
}

.section-head--left {
  text-align: left;
  margin-left: 0;
}

.section h2 {
  font-family: var(--font-serif);
  font-size: clamp(1.75rem, 3vw, 2.25rem);
  font-weight: 400;
  margin: 0 0 0.75rem;
}

.section-intro {
  margin: 0;
  color: var(--text-muted);
  font-size: 1.0625rem;
}

.services {
  background: var(--bg);
  border-top: 1px solid var(--border);
}

.card-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}

@media (min-width: 700px) {
  .card-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.card {
  padding: 1.75rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: 0 2px 12px rgba(25, 55, 45, 0.04);
  transition: border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
}

.card:hover {
  border-color: rgba(61, 139, 110, 0.32);
  box-shadow: var(--shadow-card);
  transform: translateY(-2px);
}

.card h3 {
  font-size: 1.125rem;
  font-weight: 600;
  margin: 0 0 0.75rem;
  color: var(--text);
}

.card p {
  margin: 0;
  font-size: 0.9375rem;
  color: var(--text-muted);
}

.approach {
  background: linear-gradient(180deg, var(--bg-elevated) 0%, var(--bg) 100%);
  border-top: 1px solid var(--border);
}

.split {
  display: grid;
  gap: 2.5rem;
}

@media (min-width: 800px) {
  .split {
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: start;
  }
}

.steps {
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: step;
}

.steps li {
  position: relative;
  padding: 1.25rem 0 1.25rem 3rem;
  border-bottom: 1px solid var(--border);
}

.steps li:last-child {
  border-bottom: none;
}

.steps li::before {
  counter-increment: step;
  content: counter(step);
  position: absolute;
  left: 0;
  top: 1.15rem;
  width: 2rem;
  height: 2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--accent);
  background: var(--accent-soft);
  border-radius: 50%;
}

.steps strong {
  display: block;
  font-size: 1rem;
  margin-bottom: 0.35rem;
  color: var(--text);
}

.steps span {
  font-size: 0.9375rem;
  color: var(--text-muted);
}

.about {
  border-top: 1px solid var(--border);
}

.about p {
  color: var(--text-muted);
  margin: 0 0 1rem;
}

.about-subhead {
  font-family: var(--font-sans);
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--text);
  margin: 1.75rem 0 0.75rem;
}

.about-list {
  margin: 0 0 1rem;
  padding-left: 1.35rem;
  color: var(--text-muted);
}

.about-list li {
  margin-bottom: 0.5rem;
}

.about-list li:last-child {
  margin-bottom: 0;
}

.about-list strong {
  color: var(--text);
  font-weight: 600;
}

.about p:last-child {
  margin-bottom: 0;
}

.contact {
  background:
    radial-gradient(ellipse 65% 50% at 85% 100%, rgba(175, 220, 200, 0.45), transparent),
    radial-gradient(ellipse 50% 45% at 8% 95%, rgba(200, 230, 218, 0.4), transparent),
    var(--bg-elevated);
  border-top: 1px solid var(--border);
}

.contact-inner {
  display: grid;
  gap: 2rem;
  text-align: center;
}

@media (min-width: 700px) {
  .contact-inner {
    grid-template-columns: 1fr auto;
    align-items: center;
    text-align: left;
  }
}

.contact h2 {
  font-family: var(--font-serif);
  font-size: clamp(1.75rem, 3vw, 2.25rem);
  font-weight: 400;
  margin: 0 0 0.5rem;
}

.contact-copy p {
  margin: 0;
  color: var(--text-muted);
  max-width: 42ch;
}

.contact-actions {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
}

@media (min-width: 700px) {
  .contact-actions {
    align-items: flex-end;
  }
}

/* Footer */

.site-footer {
  padding: 1.5rem 0;
  border-top: 1px solid var(--border);
  background: var(--bg);
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.5rem;
  font-size: 0.875rem;
  color: var(--text-muted);
}

.footer-brand {
  color: var(--text-muted);
}