/* ═══════════════════════════════════════════════════════════ */
/* EDUIMPACT CONNECT — DESIGN SYSTEM COMPONENTS              */
/* 7 reusable components · Responsive mobile-first           */
/* Navy #1B2A4A · Dorado #C9A84C · Montserrat                */
/* ═══════════════════════════════════════════════════════════ */

:root {
  --ei-navy: #1B2A4A;
  --ei-navy-dark: #0D1B30;
  --ei-gold: #C9A84C;
  --ei-gold-bright: #D4B65A;
  --ei-cream: #FAF8F2;
  --ei-white: #FFFFFF;
  --ei-gray-100: #F3F4F6;
  --ei-gray-200: #E5E7EB;
  --ei-gray-400: #9CA3AF;
  --ei-gray-600: #4B5563;
  --ei-gray-800: #1F2937;
  --ei-green: #25D366;
  --ei-red: #DC2626;
  --ei-font-display: 'Montserrat', sans-serif;
  --ei-font-body: 'Open Sans', sans-serif;
  --ei-radius: 12px;
  --ei-radius-pill: 100px;
  --ei-shadow: 0 4px 20px rgba(27,42,74,0.08);
  --ei-shadow-lg: 0 8px 40px rgba(27,42,74,0.12);
  --ei-transition: 0.2s ease;
}

/* ─── 1. HEADER NAV ─── */
.ei-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
  background: var(--ei-navy);
  position: sticky;
  top: 0;
  z-index: 100;
}
.ei-header__logo {
  font-family: var(--ei-font-display);
  font-weight: 900;
  font-size: 14px;
  letter-spacing: 2px;
  color: var(--ei-gold);
  text-decoration: none;
}
.ei-header__nav {
  display: flex;
  gap: 24px;
  list-style: none;
  margin: 0;
  padding: 0;
}
.ei-header__nav a {
  color: rgba(255,255,255,0.7);
  text-decoration: none;
  font-family: var(--ei-font-display);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.5px;
  transition: color var(--ei-transition);
}
.ei-header__nav a:hover { color: var(--ei-gold); }
.ei-header__hamburger {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}
.ei-header__hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--ei-cream);
  margin: 5px 0;
  transition: transform var(--ei-transition);
}

/* ─── 2. HERO SECTION ─── */
.ei-hero {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  min-height: 480px;
  padding: 60px 48px;
  background: linear-gradient(165deg, var(--ei-navy-dark), var(--ei-navy));
  color: var(--ei-cream);
}
.ei-hero__eyebrow {
  font-family: var(--ei-font-display);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 3px;
  color: var(--ei-gold);
  text-transform: uppercase;
  margin-bottom: 16px;
}
.ei-hero__headline {
  font-family: var(--ei-font-display);
  font-size: 42px;
  font-weight: 900;
  line-height: 1.15;
  letter-spacing: -0.5px;
  margin-bottom: 20px;
  max-width: 700px;
}
.ei-hero__headline em {
  font-style: normal;
  color: var(--ei-gold);
}
.ei-hero__subtitle {
  font-family: var(--ei-font-body);
  font-size: 15px;
  color: rgba(255,255,255,0.65);
  line-height: 1.7;
  max-width: 550px;
  margin-bottom: 28px;
}
.ei-hero__actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

/* ─── 3. PRICING CARD ─── */
.ei-pricing {
  background: var(--ei-white);
  border: 1px solid var(--ei-gray-200);
  border-radius: var(--ei-radius);
  padding: 32px 28px;
  box-shadow: var(--ei-shadow);
  display: flex;
  flex-direction: column;
  transition: transform var(--ei-transition), box-shadow var(--ei-transition);
}
.ei-pricing:hover {
  transform: translateY(-4px);
  box-shadow: var(--ei-shadow-lg);
}
.ei-pricing--featured {
  border-color: var(--ei-gold);
  border-width: 2px;
}
.ei-pricing__name {
  font-family: var(--ei-font-display);
  font-size: 16px;
  font-weight: 800;
  color: var(--ei-navy);
  margin-bottom: 6px;
}
.ei-pricing__price {
  font-family: var(--ei-font-display);
  font-size: 36px;
  font-weight: 900;
  color: var(--ei-navy);
  margin-bottom: 4px;
}
.ei-pricing__price-currency {
  font-size: 16px;
  font-weight: 700;
}
.ei-pricing__usd {
  font-size: 13px;
  color: var(--ei-gray-400);
  margin-bottom: 20px;
}
.ei-pricing__features {
  list-style: none;
  padding: 0;
  margin: 0 0 24px;
  flex: 1;
}
.ei-pricing__features li {
  font-family: var(--ei-font-body);
  font-size: 13px;
  color: var(--ei-gray-600);
  padding: 8px 0;
  border-bottom: 1px solid var(--ei-gray-100);
  display: flex;
  align-items: center;
  gap: 8px;
}
.ei-pricing__features li::before {
  content: '✓';
  color: var(--ei-gold);
  font-weight: 800;
}

/* ─── 4. TESTIMONIAL BLOCK ─── */
.ei-testimonial {
  background: var(--ei-cream);
  border-radius: var(--ei-radius);
  padding: 32px;
  border: 1px solid var(--ei-gray-200);
}
.ei-testimonial__quote {
  font-family: var(--ei-font-body);
  font-size: 16px;
  font-style: italic;
  color: var(--ei-gray-800);
  line-height: 1.7;
  margin-bottom: 20px;
}
.ei-testimonial__quote::before {
  content: '"';
  font-family: Georgia, serif;
  font-size: 48px;
  color: var(--ei-gold);
  line-height: 0;
  vertical-align: -12px;
  margin-right: 4px;
}
.ei-testimonial__author {
  display: flex;
  align-items: center;
  gap: 14px;
}
.ei-testimonial__avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--ei-navy);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--ei-gold);
  font-weight: 900;
  font-size: 16px;
  flex-shrink: 0;
}
.ei-testimonial__name {
  font-family: var(--ei-font-display);
  font-weight: 700;
  font-size: 14px;
  color: var(--ei-navy);
}
.ei-testimonial__role {
  font-size: 12px;
  color: var(--ei-gray-400);
  margin-top: 2px;
}

/* ─── 5. STAT COUNTER ─── */
.ei-stat {
  text-align: center;
  padding: 24px 16px;
}
.ei-stat__number {
  font-family: var(--ei-font-display);
  font-size: 48px;
  font-weight: 900;
  color: var(--ei-gold);
  line-height: 1;
  margin-bottom: 8px;
}
.ei-stat__label {
  font-family: var(--ei-font-body);
  font-size: 13px;
  color: var(--ei-gray-600);
  line-height: 1.4;
}
.ei-stat__icon {
  font-size: 24px;
  margin-bottom: 8px;
}

/* ─── 6. CTA SECTION ─── */
.ei-cta {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 60px 40px;
  background: var(--ei-navy);
  color: var(--ei-cream);
}
.ei-cta__headline {
  font-family: var(--ei-font-display);
  font-size: 28px;
  font-weight: 900;
  margin-bottom: 12px;
  max-width: 600px;
}
.ei-cta__subtitle {
  font-size: 14px;
  color: rgba(255,255,255,0.6);
  margin-bottom: 24px;
}

/* ─── 7. FOOTER ─── */
.ei-footer {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: flex-start;
  padding: 40px 48px;
  background: var(--ei-navy-dark);
  color: rgba(255,255,255,0.6);
  gap: 32px;
}
.ei-footer__brand {
  font-family: var(--ei-font-display);
  font-weight: 900;
  font-size: 14px;
  letter-spacing: 2px;
  color: var(--ei-gold);
  margin-bottom: 8px;
}
.ei-footer__text {
  font-size: 12px;
  line-height: 1.7;
}
.ei-footer__links {
  list-style: none;
  padding: 0;
  margin: 0;
}
.ei-footer__links li {
  margin-bottom: 8px;
}
.ei-footer__links a {
  color: rgba(255,255,255,0.5);
  text-decoration: none;
  font-size: 12px;
  transition: color var(--ei-transition);
}
.ei-footer__links a:hover { color: var(--ei-gold); }

/* ─── SHARED BUTTONS ─── */
.ei-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: var(--ei-radius-pill);
  font-family: var(--ei-font-display);
  font-weight: 800;
  font-size: 13px;
  letter-spacing: 0.5px;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: transform var(--ei-transition), box-shadow var(--ei-transition);
}
.ei-btn:hover { transform: translateY(-2px); }
.ei-btn--gold {
  background: var(--ei-gold);
  color: var(--ei-navy);
}
.ei-btn--gold:hover { box-shadow: 0 6px 20px rgba(201,168,76,0.35); }
.ei-btn--whatsapp {
  background: var(--ei-green);
  color: #FFF;
}
.ei-btn--whatsapp:hover { box-shadow: 0 6px 20px rgba(37,211,102,0.35); }
.ei-btn--outline {
  background: transparent;
  color: var(--ei-cream);
  border: 1px solid rgba(255,255,255,0.3);
}
.ei-btn--outline:hover { border-color: var(--ei-gold); color: var(--ei-gold); }
.ei-btn--navy {
  background: var(--ei-navy);
  color: #FFF;
}

/* ═══════════════════════════════════════════════════════════ */
/* RESPONSIVE — 375px / 768px / 1200px                       */
/* ═══════════════════════════════════════════════════════════ */

@media (max-width: 1200px) {
  .ei-hero__headline { font-size: 36px; }
  .ei-footer { padding: 32px; }
}

@media (max-width: 768px) {
  .ei-header__nav { display: none; }
  .ei-header__hamburger { display: block; }
  .ei-header__nav.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--ei-navy);
    padding: 16px 24px;
    gap: 12px;
    border-top: 1px solid rgba(201,168,76,0.15);
  }
  .ei-hero {
    padding: 40px 24px;
    min-height: 360px;
  }
  .ei-hero__headline { font-size: 28px; }
  .ei-hero__subtitle { font-size: 14px; }
  .ei-cta { padding: 40px 24px; }
  .ei-cta__headline { font-size: 22px; }
  .ei-footer {
    flex-direction: column;
    padding: 32px 24px;
    gap: 24px;
  }
  .ei-pricing__price { font-size: 28px; }
  .ei-stat__number { font-size: 36px; }
}

@media (max-width: 375px) {
  .ei-header { padding: 12px 16px; }
  .ei-hero { padding: 32px 16px; min-height: auto; }
  .ei-hero__headline { font-size: 24px; }
  .ei-hero__actions { flex-direction: column; width: 100%; }
  .ei-btn { width: 100%; justify-content: center; }
  .ei-cta { padding: 32px 16px; }
  .ei-cta__headline { font-size: 20px; }
  .ei-footer { padding: 24px 16px; }
  .ei-pricing { padding: 24px 20px; }
}