/* ERSA ROBOTONIO — robotonio.ngo
   Hand-written static site, no template/framework. */

@import url('https://fonts.googleapis.com/css2?family=Manrope:wght@400;500;600;700;800&display=swap');

:root {
  --color-primary: #e42023;
  --color-primary-dark: #b61f1f;
  --color-accent: #02b1c7;
  --color-accent-dark: #037c80;
  --color-accent-darker: #014f57;
  --color-yellow: #ffc72c;
  --color-ink: #2b2b2d;
  --color-ink-soft: #55555a;
  --color-line: #e4e4e7;
  --color-bg: #ffffff;
  --color-bg-soft: #f5f7f8;
  --radius: 14px;
  --shadow: 0 8px 24px rgba(43, 43, 45, 0.08);
  --max-width: 1120px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: 'Manrope', system-ui, -apple-system, sans-serif;
  color: var(--color-ink);
  background: var(--color-bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }

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

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

h1, h2, h3, h4 {
  font-weight: 800;
  line-height: 1.2;
  margin: 0 0 16px;
}

h1 { font-size: clamp(2rem, 4vw, 2.75rem); }
h2 { font-size: clamp(1.5rem, 3vw, 2rem); }
h3 { font-size: 1.15rem; }

p { margin: 0 0 16px; color: var(--color-ink-soft); }

.eyebrow {
  display: inline-block;
  font-weight: 700;
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-accent-dark);
  margin-bottom: 12px;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 0.95rem;
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
}
.btn:hover { text-decoration: none; transform: translateY(-1px); }

.btn-primary {
  background: var(--color-primary);
  color: #fff;
  box-shadow: var(--shadow);
}
.btn-primary:hover { background: var(--color-primary-dark); }

.btn-outline {
  background: transparent;
  border-color: var(--color-line);
  color: var(--color-ink);
}
.btn-outline:hover { border-color: var(--color-accent); color: var(--color-accent-dark); }

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--color-line);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 1.05rem;
  color: var(--color-ink);
}
.brand:hover { text-decoration: none; }
.brand img { height: 42px; width: auto; border-radius: 9px; }

.main-nav {
  display: flex;
  align-items: center;
  gap: 8px;
}

.main-nav a {
  color: var(--color-ink);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 10px 16px;
  border-radius: 999px;
  transition: color 0.15s ease, background 0.15s ease;
}
.main-nav a:hover { color: var(--color-accent-dark); text-decoration: none; }
.main-nav a.is-active { background: var(--color-accent); color: #fff; }
.main-nav a.is-active:hover { background: var(--color-accent-dark); color: #fff; }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}
.nav-toggle span {
  width: 24px;
  height: 2px;
  background: var(--color-ink);
  border-radius: 2px;
}

/* ---------- Hero ---------- */
.hero {
  padding: 72px 0 64px;
  background:
    radial-gradient(circle at 85% -10%, rgba(228, 32, 35, 0.10), transparent 45%),
    radial-gradient(circle at 5% 110%, rgba(2, 177, 199, 0.12), transparent 45%);
}

.hero-inner {
  max-width: 760px;
}

.hero p.lead {
  font-size: 1.15rem;
  color: var(--color-ink-soft);
}

.hero-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 24px;
}

/* ---------- Section ---------- */
.section {
  padding: 64px 0;
}
.section-header {
  max-width: 640px;
  margin: 0 auto 40px;
  text-align: center;
}
.section-alt { background: var(--color-bg-soft); }

/* ---------- Cards grid ---------- */
.grid {
  display: grid;
  gap: 24px;
  grid-template-columns: repeat(3, 1fr);
}

.card {
  background: var(--color-bg);
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  padding: 28px;
  transition: box-shadow 0.2s ease, transform 0.2s ease;
}
.card:hover { box-shadow: var(--shadow); transform: translateY(-2px); }

.card .icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: var(--color-bg-soft);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
  font-size: 1.4rem;
}

.card a.card-link {
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--color-primary-dark);
}

/* ---------- Team ---------- */
.team-grid {
  display: grid;
  gap: 24px;
  grid-template-columns: repeat(4, 1fr);
}
.team-card {
  text-align: center;
  padding: 24px 16px;
  border-radius: var(--radius);
  background: var(--color-bg-soft);
}
.team-avatar {
  width: 84px;
  height: 84px;
  border-radius: 50%;
  margin: 0 auto 16px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-weight: 800;
  font-size: 1.3rem;
}
.team-card h3 { margin-bottom: 4px; }
.team-role {
  font-weight: 700;
  font-size: 0.82rem;
  color: var(--color-primary-dark);
  text-transform: uppercase;
  letter-spacing: 0.03em;
  margin-bottom: 6px;
}
.team-sub { font-size: 0.88rem; color: var(--color-ink-soft); margin: 0; }

/* ---------- Facts strip ---------- */
.facts {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-top: 24px;
}

.hero-banner {
  width: 100%;
  border-radius: var(--radius);
  margin-top: 40px;
  box-shadow: var(--shadow);
}
.fact-pill {
  background: var(--color-bg-soft);
  border-radius: 999px;
  padding: 10px 20px;
  font-size: 0.9rem;
  font-weight: 600;
}
.fact-pill strong { color: var(--color-primary-dark); }

/* ---------- Contact ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
}

.contact-info-list {
  list-style: none;
  padding: 0;
  margin: 0 0 24px;
}
.contact-info-list li {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  padding: 14px 0;
  border-bottom: 1px solid var(--color-line);
}
.contact-info-list .icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: var(--color-bg-soft);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 1.1rem;
}
.contact-info-list a { color: var(--color-ink); font-weight: 600; }

.social-row {
  display: flex;
  gap: 12px;
  margin-top: 8px;
}
.social-row a {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: var(--color-bg-soft);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-ink);
  font-weight: 700;
}
.social-row a:hover { background: var(--color-primary); color: #fff; text-decoration: none; }

form.contact-form {
  background: var(--color-bg-soft);
  border-radius: var(--radius);
  padding: 32px;
}
.form-row { margin-bottom: 18px; }
.form-row label {
  display: block;
  font-weight: 700;
  font-size: 0.85rem;
  margin-bottom: 6px;
}
.form-row input,
.form-row textarea {
  width: 100%;
  padding: 12px 14px;
  border-radius: 10px;
  border: 1px solid var(--color-line);
  font-family: inherit;
  font-size: 0.95rem;
  background: #fff;
}
.form-row input:focus,
.form-row textarea:focus {
  outline: 2px solid var(--color-accent);
  outline-offset: 1px;
}
.form-note {
  font-size: 0.82rem;
  color: var(--color-ink-soft);
  margin-top: 12px;
}

/* ---------- Footer ---------- */
.site-footer {
  background: var(--color-ink);
  color: #d7d7db;
  padding: 48px 0 28px;
  margin-top: 40px;
}
.site-footer a { color: #fff; }
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 32px;
  margin-bottom: 32px;
}
.footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  color: #fff;
  margin-bottom: 12px;
}
.footer-brand img { height: 36px; border-radius: 8px; }
.site-footer h4 {
  color: #fff;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 14px;
}
.site-footer ul { list-style: none; padding: 0; margin: 0; }
.site-footer li { margin-bottom: 10px; font-size: 0.92rem; }
.site-footer p { color: #b9b9bf; font-size: 0.92rem; }
.footer-bottom {
  border-top: 1px solid #444448;
  padding-top: 20px;
  font-size: 0.82rem;
  color: #9a9aa0;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
}

/* ---------- Responsive ---------- */
@media (max-width: 860px) {
  .grid { grid-template-columns: repeat(2, 1fr); }
  .team-grid { grid-template-columns: repeat(2, 1fr); }
  .contact-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 640px) {
  .nav-toggle { display: flex; }
  .main-nav {
    position: absolute;
    top: 76px;
    left: 0;
    right: 0;
    background: #fff;
    border-bottom: 1px solid var(--color-line);
    flex-direction: column;
    align-items: stretch;
    padding: 12px 24px 20px;
    display: none;
    box-shadow: var(--shadow);
  }
  .main-nav.is-open { display: flex; }
  .main-nav a { padding: 12px 16px; }
  .grid { grid-template-columns: 1fr; }
  .team-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .hero { padding: 48px 0 40px; }
  .section { padding: 44px 0; }
}