/* Base styles: variables, reset, nav, buttons, section helpers, typography. */

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

:root {
  --accent: #3f6441;
  --accent-dark: #2e4a30;
  --accent-light: #edf3ee;
  --bg: #ffffff;
  --text: #1a1a1a;
  --text-muted: #6b7280;
  --border: #e5e7eb;
  --radius: 10px;
  --shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.12);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: 'Plus Jakarta Sans', system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

main { flex: 1; }

/* ── Nav ── */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 1px 8px rgba(0,0,0,0.05);
}

.nav__inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 1.5rem;
  height: 64px;
  display: flex;
  align-items: center;
}

.nav__right {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  margin-left: auto;
}

.nav__logo {
  font-weight: 700;
  font-size: 1.2rem;
  color: var(--accent);
  text-decoration: none;
  letter-spacing: -0.02em;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.nav__logo-img {
  height: 1.6rem;
  width: auto;
}

.nav__links {
  display: flex;
  gap: 2rem;
  list-style: none;
}

.nav__links a {
  text-decoration: none;
  color: var(--text);
  font-weight: 500;
  font-size: 0.95rem;
  transition: color 0.15s;
}

.nav__links a:hover,
.nav__links a.active { color: var(--accent); }

.nav__cta {
  background: var(--accent);
  color: #fff !important;
  padding: 0.45rem 1.1rem;
  border-radius: 999px;
  font-size: 0.9rem !important;
  transition: background 0.15s !important;
}

.nav__cta:hover { background: var(--accent-dark) !important; color: #fff !important; }

/* ── Language switcher ── */
.lang-switch {
  display: flex;
  align-items: center;
  gap: 0.2rem;
}

.lang-switch__btn {
  background: none;
  border: 1.5px solid var(--border);
  border-radius: 6px;
  font-family: inherit;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  padding: 0.2rem 0.45rem;
  cursor: pointer;
  color: var(--text-muted);
  transition: background 0.15s, color 0.15s, border-color 0.15s;
}

.lang-switch__btn:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.lang-switch__btn--active {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

.lang-switch__btn--active:hover {
  background: var(--accent-dark);
  border-color: var(--accent-dark);
}

/* ── Hamburger (mobile) ── */
.nav__toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.25rem;
  flex-direction: column;
  gap: 5px;
}

.nav__toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: transform 0.2s, opacity 0.2s;
}

@media (max-width: 680px) {
  .nav__right { gap: 0.75rem; }
  .nav__toggle { display: flex; }
  .nav__links {
    display: none;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    background: var(--bg);
    flex-direction: column;
    gap: 0;
    border-bottom: 1px solid var(--border);
    padding: 0.5rem 0;
  }
  .nav__links.open { display: flex; }
  .nav__links li a { display: block; padding: 0.75rem 1.5rem; }
  .nav__cta { margin: 0.5rem 1.5rem; display: inline-block; text-align: center; }
}

/* ── Buttons ── */
.btn {
  display: inline-block;
  padding: 0.7rem 1.6rem;
  border-radius: 999px;
  font-family: inherit;
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  text-decoration: none;
  transition: background 0.15s, box-shadow 0.15s, transform 0.1s;
  border: none;
}

.btn--primary {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 2px 8px rgba(63,100,65,0.25);
}

.btn--primary:hover {
  background: var(--accent-dark);
  box-shadow: 0 4px 16px rgba(63,100,65,0.3);
  transform: translateY(-1px);
}

.btn--outline {
  background: transparent;
  color: var(--accent);
  border: 2px solid var(--accent);
}

.btn--outline:hover { background: var(--accent-light); }

/* ── Section helpers + typography ── */
.section { padding: 5rem 1.5rem; }
.section--tight { padding: 3rem 1.5rem; }
.container { max-width: 1100px; margin: 0 auto; }
.section-tag {
  display: inline-block;
  background: var(--accent-light);
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.3rem 0.8rem;
  border-radius: 999px;
  margin-bottom: 1rem;
}

h1, h2, h3 { line-height: 1.2; letter-spacing: -0.02em; }
h1 { font-size: clamp(2.2rem, 5vw, 3.5rem); font-weight: 700; }
h2 { font-size: clamp(1.6rem, 3vw, 2.2rem); font-weight: 700; }
h3 { font-size: 1.2rem; font-weight: 600; }
p { color: var(--text-muted); }
p + p { margin-top: 0.8rem; }