/* marketing.css — Solar design system, shared across all marketing pages */

/* ── Reset ────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
img { max-width: 100%; display: block; }
a { text-decoration: none; }
ul { list-style: none; }

/* ── Tokens ───────────────────────────────────────────────────── */
:root {
  --accent:       #d62828;
  --accent-dark:  #a11f1f;
  --accent-light: #f5c0c0;
  --surface:      #ffffff;
  --surface-2:    #f8f8f8;
  --surface-3:    #f0f0f0;
  --border:       #e4e4e4;
  --text:         #1a1a1a;
  --text-2:       #555555;
  --text-3:       #888888;
  --radius-sm:    6px;
  --radius:       12px;
  --radius-lg:    20px;
  --shadow-sm:    0 1px 4px rgba(0,0,0,.08);
  --shadow:       0 4px 16px rgba(0,0,0,.10);
  --shadow-lg:    0 8px 32px rgba(0,0,0,.14);
  --nav-h:        68px;
  --transition:   .22s ease;
}

/* ── Base ─────────────────────────────────────────────────────── */
html { scroll-behavior: smooth; }
body {
  font-family: 'DM Sans', sans-serif;
  color: var(--text);
  background: var(--surface);
  line-height: 1.6;
}

/* ── Container ────────────────────────────────────────────────── */
.container {
  width: 100%;
  max-width: 1140px;
  margin-inline: auto;
  padding-inline: 24px;
}

/* ── Section helpers ──────────────────────────────────────────── */
.section-tag {
  display: inline-block;
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--accent);
  background: var(--accent-light);
  padding: 4px 12px;
  border-radius: 99px;
  margin-bottom: 12px;
}
.section-title {
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  font-weight: 700;
  line-height: 1.2;
  color: var(--text);
  margin-bottom: 12px;
}
.section-sub {
  font-size: 1.05rem;
  color: var(--text-2);
  max-width: 600px;
  margin-inline: auto;
  margin-bottom: 40px;
}
.text-center { text-align: center; }

/* ── Buttons ──────────────────────────────────────────────────── */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--accent);
  color: #fff;
  font-weight: 700;
  font-size: .95rem;
  padding: 12px 28px;
  border-radius: var(--radius);
  border: none;
  cursor: pointer;
  transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
}
.btn-primary:hover {
  background: var(--accent-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow);
  color: #fff;
}
.btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: transparent;
  color: var(--text);
  font-weight: 600;
  font-size: .95rem;
  padding: 11px 26px;
  border-radius: var(--radius);
  border: 1.5px solid var(--border);
  cursor: pointer;
  transition: border-color var(--transition), color var(--transition), transform var(--transition);
}
.btn-ghost:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-2px);
}
.btn-hero {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--accent);
  color: #fff;
  font-weight: 700;
  font-size: 1rem;
  padding: 15px 32px;
  border-radius: var(--radius);
  border: none;
  cursor: pointer;
  transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
}
.btn-hero:hover {
  background: var(--accent-dark);
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(214,40,40,.35);
  color: #fff;
}
.btn-hero-ghost {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: transparent;
  color: #fff;
  font-weight: 600;
  font-size: 1rem;
  padding: 14px 30px;
  border-radius: var(--radius);
  border: 1.5px solid rgba(255,255,255,.5);
  cursor: pointer;
  transition: border-color var(--transition), background var(--transition), transform var(--transition);
}
.btn-hero-ghost:hover {
  border-color: #fff;
  background: rgba(255,255,255,.12);
  transform: translateY(-3px);
  color: #fff;
}

/* ── Navbar ───────────────────────────────────────────────────── */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  padding: 0 5%;
  z-index: 1000;
  transition: border-color var(--transition), box-shadow var(--transition);
  background: var(--nav-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--badge-border);
}
.navbar.scrolled {
  border-bottom-color: var(--border);
  box-shadow: var(--shadow-sm);
}
.navbar__logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.navbar__logo img { height: 52px; width: auto; }
.navbar__logo span {
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--text);
  letter-spacing: -.02em;
}
.navbar__links {
  display: flex;
  align-items: center;
  gap: 28px;
  margin-left: 3rem;
  font-size: .9rem;
  font-weight: 500;
}
.navbar__links a {
  font-size: .92rem;
  font-weight: 500;
  color: var(--text-2);
  transition: color var(--transition);
}
.navbar__links a:hover { color: var(--accent); }
.navbar__links a.active { color: var(--accent); font-weight: 700; }
.navbar__ctas {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
  margin-left: auto;
}
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}
@media (max-width: 768px) {
  .hamburger { display: flex; }
  .navbar__links, .navbar__ctas {
    display: none;
    position: fixed;
    top: var(--nav-h);
    left: 0; right: 0;
    background: #fff;
    border-top: 1px solid var(--border);
    padding: 20px 24px;
    z-index: 999;
  }
  .navbar__links {
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
    box-shadow: var(--shadow);
    margin-left: 3rem;
    font-size: .9rem;
    font-weight: 500;
  }
  .navbar__ctas {
    top: calc(var(--nav-h) + 220px);
    flex-direction: column;
    align-items: stretch;
    padding-top: 0;
    padding-bottom: 20px;
    border-top: none;
    box-shadow: var(--shadow);
    margin-left: auto;
  }
  .navbar__links.open, .navbar__ctas.open { display: flex; }
}

/* ── Footer ───────────────────────────────────────────────────── */
footer {
  background: #111;
  color: #ccc;
  padding: 60px 0 28px;
  font-size: .9rem;
}
.footer__grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}
.footer__brand img {
  height: 48px;
  width: auto;
  /*filter: brightness(0) invert(1);*/
  margin-bottom: 12px;
}
.footer__brand p {
  font-size: .85rem;
  line-height: 1.6;
  color: #999;
}
.footer__col h4 {
  color: #fff;
  font-weight: 700;
  font-size: .88rem;
  text-transform: uppercase;
  letter-spacing: .08em;
  margin-bottom: 16px;
}
.footer__col a {
  display: block;
  color: #aaa;
  font-size: .88rem;
  margin-bottom: 8px;
  transition: color var(--transition);
}
.footer__col a:hover { color: var(--accent); }
.footer__bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid #222;
  padding-top: 24px;
  gap: 16px;
  flex-wrap: wrap;
}
.footer__bottom p { font-size: .82rem; color: #666; }
.footer__socials {
  display: flex;
  gap: 16px;
}
.footer__socials a {
  color: #666;
  font-size: 1rem;
  transition: color var(--transition);
}
.footer__socials a:hover { color: var(--accent); }
@media (max-width: 768px) {
  .footer__grid { grid-template-columns: 1fr 1fr; gap: 28px; }
}
@media (max-width: 480px) {
  .footer__grid { grid-template-columns: 1fr; }
  .footer__bottom { flex-direction: column; align-items: flex-start; }
}

/* ── FAB WhatsApp ─────────────────────────────────────────────── */
.fab {
  position: fixed;
  bottom: 28px;
  right: 28px;
  width: 52px;
  height: 52px;
  background: #25D366;
  color: #fff;
  font-size: 1.5rem;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 16px rgba(37,211,102,.4);
  z-index: 900;
  transition: transform var(--transition), box-shadow var(--transition);
}
.fab:hover {
  transform: scale(1.12);
  box-shadow: 0 6px 24px rgba(37,211,102,.55);
  color: #fff;
}

/* ── FAQ common ───────────────────────────────────────────────── */
.faq-list { display: flex; flex-direction: column; gap: 8px; }
.faq-item {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--surface);
  transition: border-color var(--transition);
}
.faq-item[open] { border-color: var(--accent); }
.faq-item summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 18px 20px;
  cursor: pointer;
  font-weight: 600;
  font-size: .97rem;
  list-style: none;
  user-select: none;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-icon {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--surface-3);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: .8rem;
  color: var(--text-2);
  transition: background var(--transition), color var(--transition), transform var(--transition);
}
.faq-item[open] .faq-icon {
  background: var(--accent);
  color: #fff;
  transform: rotate(45deg);
}
.faq-body {
  padding: 0 20px 18px;
  color: var(--text-2);
  font-size: .93rem;
  line-height: 1.7;
}

/* ── CTA band ─────────────────────────────────────────────────── */
.cta-band {
  background: var(--accent);
  color: #fff;
  padding: 72px 0;
  text-align: center;
}
.cta-band h2 {
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  font-weight: 800;
  margin-bottom: 12px;
}
.cta-band p {
  font-size: 1.05rem;
  opacity: .88;
  margin-bottom: 32px;
  max-width: 540px;
  margin-inline: auto;
}
.cta-band .btn-hero {
  background: #fff;
  color: var(--accent);
}
.cta-band .btn-hero:hover {
  background: rgba(255,255,255,.9);
  box-shadow: 0 8px 24px rgba(0,0,0,.2);
  color: var(--accent);
}
.cta-band .btn-hero-ghost {
  border-color: rgba(255,255,255,.6);
}

/* ── Scroll-reveal animation ──────────────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity .6s ease, transform .6s ease;
}
.reveal.visible {
  opacity: 1;
  transform: none;
}