/* Evolingua — shared base styles for secondary pages
   The homepage (index.html) keeps its own inline styles for performance. */

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

:root {
  --black:    #1d1d1f;
  --gray-900: #333336;
  --gray-600: #6e6e73;
  --gray-400: #a1a1a6;
  --gray-200: #d2d2d7;
  --gray-100: #f5f5f7;
  --white:    #ffffff;
  --accent:   #c9963b;
  --accent-light: #f3e8d2;
  --radius:   16px;
  --radius-sm: 10px;
}

html { scroll-behavior: smooth; }

body {
  font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'SF Pro Text',
               'Helvetica Neue', Helvetica, Arial, sans-serif;
  background: var(--white);
  color: var(--black);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: rgba(255,255,255,.72);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 1px solid rgba(0,0,0,.08);
}
.nav-inner {
  max-width: 980px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 52px;
  padding: 0 1.5rem;
}
.logo {
  font-size: 1.25rem;
  font-weight: 600;
  letter-spacing: -.02em;
  color: var(--black);
  text-decoration: none;
}
.logo span { color: var(--accent); }
nav { display: flex; align-items: center; gap: 1.75rem; }
nav a {
  color: var(--gray-600);
  text-decoration: none;
  font-size: .875rem;
  font-weight: 400;
  transition: color .2s;
}
nav a:hover, nav a[aria-current="page"] { color: var(--black); }

.menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  width: 28px; height: 28px;
  position: relative;
}
.menu-toggle span {
  display: block;
  width: 18px; height: 1.5px;
  background: var(--black);
  position: absolute;
  left: 5px;
  transition: transform .3s, opacity .3s;
}
.menu-toggle span:nth-child(1) { top: 9px; }
.menu-toggle span:nth-child(2) { top: 14px; }
.menu-toggle span:nth-child(3) { top: 19px; }
.menu-toggle.active span:nth-child(1) { top: 14px; transform: rotate(45deg); }
.menu-toggle.active span:nth-child(2) { opacity: 0; }
.menu-toggle.active span:nth-child(3) { top: 14px; transform: rotate(-45deg); }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  font-weight: 500;
  padding: .875rem 2rem;
  border-radius: 980px;
  text-decoration: none;
  cursor: pointer;
  transition: background .3s, transform .2s, box-shadow .3s;
}
.btn-primary { background: var(--black); color: var(--white); }
.btn-primary:hover { background: var(--gray-900); transform: scale(1.02); }
.btn-secondary {
  background: transparent;
  color: var(--black);
  border: 1.5px solid var(--gray-200);
}
.btn-secondary:hover { background: var(--gray-100); border-color: var(--gray-400); }
.btn-accent { background: var(--accent); color: var(--white); }
.btn-accent:hover { background: #b5852f; transform: scale(1.02); }
.btn-link {
  background: none;
  color: var(--accent);
  font-weight: 500;
  font-size: 1.05rem;
  text-decoration: none;
}
.btn-link::after { content: ' →'; transition: transform .2s; display: inline-block; }
.btn-link:hover::after { transform: translateX(4px); }

.page-hero {
  padding: 8rem 2rem 4rem;
  text-align: center;
  background: var(--white);
  position: relative;
  overflow: hidden;
}
.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 70% 50% at 50% 0%, rgba(201,150,59,.07) 0%, transparent 100%);
  pointer-events: none;
}
.page-hero .eyebrow {
  display: inline-block;
  font-size: .8125rem;
  font-weight: 500;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1rem;
}
.page-hero h1 {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 700;
  letter-spacing: -.025em;
  line-height: 1.12;
  color: var(--black);
  max-width: 820px;
  margin: 0 auto;
}
.page-hero .lede {
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: var(--gray-600);
  max-width: 620px;
  margin: 1.25rem auto 0;
  line-height: 1.6;
}

section { padding: 4rem 2rem; }
.container { max-width: 760px; margin: 0 auto; }
.container-wide { max-width: 980px; margin: 0 auto; }

.prose { font-size: 1.05rem; line-height: 1.75; color: var(--gray-900); }
.prose h2 {
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 700;
  letter-spacing: -.02em;
  color: var(--black);
  margin: 2.5rem 0 1rem;
}
.prose h3 {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--black);
  margin: 2rem 0 .75rem;
}
.prose p { color: var(--gray-600); margin-bottom: 1rem; }
.prose ul, .prose ol { margin: 0 0 1.25rem 1.25rem; color: var(--gray-600); }
.prose li { margin-bottom: .35rem; }
.prose strong { color: var(--black); font-weight: 600; }
.prose a { color: var(--accent); text-decoration: none; border-bottom: 1px solid var(--accent-light); }
.prose a:hover { border-bottom-color: var(--accent); }

.cta-banner {
  background: var(--gray-100);
  border-radius: var(--radius);
  padding: 2.5rem 2rem;
  text-align: center;
  margin: 3rem 0 1rem;
}
.cta-banner h2 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--black);
  margin-bottom: .5rem;
}
.cta-banner p { color: var(--gray-600); margin-bottom: 1.5rem; }

.faq-list { display: flex; flex-direction: column; gap: .75rem; margin-top: 1.5rem; }
.faq-item { background: var(--gray-100); border-radius: var(--radius-sm); overflow: hidden; }
.faq-item[open] { background: var(--white); box-shadow: 0 2px 16px rgba(0,0,0,.05); }
.faq-item summary {
  cursor: pointer;
  list-style: none;
  padding: 1.15rem 1.5rem;
  font-size: 1rem;
  font-weight: 600;
  color: var(--black);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: '+';
  font-size: 1.5rem;
  font-weight: 400;
  color: var(--accent);
  transition: transform .25s;
}
.faq-item[open] summary::after { transform: rotate(45deg); }
.faq-answer { padding: 0 1.5rem 1.25rem; font-size: .95rem; color: var(--gray-600); line-height: 1.6; }
.faq-answer p + p { margin-top: .75rem; }
.faq-answer a { color: var(--accent); }

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-top: 2rem;
}
.pricing-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  padding: 2rem 1.75rem;
  display: flex;
  flex-direction: column;
}
.pricing-card.featured {
  border-color: var(--accent);
  box-shadow: 0 12px 40px rgba(201,150,59,.12);
  position: relative;
}
.pricing-card.featured::before {
  content: 'Most popular';
  position: absolute;
  top: -.7rem;
  left: 50%;
  transform: translateX(-50%);
  background: var(--accent);
  color: var(--white);
  font-size: .75rem;
  font-weight: 600;
  letter-spacing: .04em;
  padding: .25rem .75rem;
  border-radius: 980px;
}
.pricing-card h3 { font-size: 1.25rem; font-weight: 600; margin-bottom: .35rem; color: var(--black); }
.pricing-card .pkg-desc { font-size: .9rem; color: var(--gray-600); margin-bottom: 1.25rem; }
.pricing-card ul { list-style: none; margin: 0 0 1.5rem; flex: 1; }
.pricing-card ul li { font-size: .95rem; color: var(--gray-600); padding: .4rem 0; border-bottom: 1px solid var(--gray-100); }
.pricing-card ul li:last-child { border-bottom: none; }
.pricing-card ul li::before { content: '✓ '; color: var(--accent); font-weight: 600; }

footer {
  background: var(--gray-100);
  border-top: 1px solid var(--gray-200);
  padding: 1.5rem 2rem;
}
.footer-inner {
  max-width: 980px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: .75rem;
}
.footer-copy { font-size: .8125rem; color: var(--gray-400); }
.footer-links { display: flex; gap: 1.25rem; flex-wrap: wrap; }
.footer-links a {
  font-size: .8125rem;
  color: var(--gray-400);
  text-decoration: none;
  transition: color .2s;
}
.footer-links a:hover { color: var(--black); }

@media (max-width: 768px) {
  section { padding: 3rem 1.5rem; }
  .pricing-grid { grid-template-columns: 1fr; }
  .footer-inner { flex-direction: column; text-align: center; }
  .footer-links { justify-content: center; }
  nav { display: none; }
  nav.open {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 52px;
    left: 0;
    right: 0;
    height: calc(100vh - 52px);
    height: calc(100dvh - 52px);
    background: rgba(255,255,255,.97);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    padding: 2rem 1.5rem;
    gap: 1.5rem;
    border-top: 1px solid var(--gray-200);
    overflow-y: auto;
  }
  nav.open a { font-size: 1.1rem; color: var(--black); }
  .menu-toggle { display: block; }
}