/* =====================================================
   INFOWISE — GLOBAL DESIGN SYSTEM v9.0
   Dark Corporate. Orange Accent. Serious Animation.
   ===================================================== */

:root {
  --bg: #1a1a2e;
  --bg-elevated: #22223a;
  --bg-light: #2a2a45;
  --text: #f0f0f0;
  --text-secondary: #a0a0b0;
  --text-muted: #6b6b80;
  --secondary: #f58220;
  --secondary-light: #ff9a4d;
  --secondary-dark: #d96d12;
  --accent: #504c6a;
  --border: rgba(255,255,255,0.08);
  --border-hover: rgba(255,255,255,0.15);
  --white: #ffffff;

  --font-display: 'Barlow Condensed', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-body: 'Montserrat', -apple-system, BlinkMacSystemFont, sans-serif;

  --transition: 0.25s ease;
  --transition-slow: 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
}

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

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

body {
  font-family: var(--font-body);
  color: var(--text);
  background: var(--bg);
  line-height: 1.7;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; transition: var(--transition); }
ul { list-style: none; }

/* ─── Typography ─── */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.2;
  color: var(--text);
  letter-spacing: -0.01em;
}

p { color: var(--text-secondary); margin-bottom: 1rem; }

/* ─── Container ─── */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* ─── Section ─── */
.section { padding: 5rem 0; position: relative; }

/* ─── Buttons ─── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-body);
  font-size: 0.8rem;
  font-weight: 600;
  padding: 0.75rem 1.5rem;
  border-radius: 999px;
  border: none;
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
  letter-spacing: 0.02em;
}

.btn-primary {
  background: var(--secondary);
  color: white;
}
.btn-primary:hover {
  background: var(--secondary-light);
  transform: translateY(-2px);
  box-shadow: 0 4px 20px rgba(245,130,32,0.35);
}

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

/* ─── Header ─── */
header {
  position: fixed;
  top: 0; left: 0;
  width: 100%;
  z-index: 1000;
  transition: var(--transition-slow);
  background: transparent;
}

header.scrolled {
  background: rgba(26,26,46,0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.3rem;
  color: var(--text);
  letter-spacing: 0.5px;
}

.logo i { color: var(--secondary); font-size: 1.1rem; }

.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
  list-style: none;
}

.nav-links > li > a {
  color: var(--text-secondary);
  font-size: 0.8rem;
  font-weight: 500;
  transition: var(--transition);
}

.nav-links > li > a:hover { color: var(--secondary); }

.theme-toggle {
  background: none;
  border: none;
  color: var(--text-secondary);
  font-size: 0.9rem;
  cursor: pointer;
  padding: 0.4rem;
  transition: var(--transition);
}
.theme-toggle:hover { color: var(--secondary); }

/* Dropdown */
.dropdown { position: relative; }
.dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 10px;
  box-shadow: 0 10px 40px rgba(0,0,0,0.4);
  padding: 0.75rem 0;
  min-width: 260px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: all 0.2s ease;
  list-style: none;
}

.dropdown:hover .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown-menu li a {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.6rem 1.25rem;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: var(--transition);
}
.dropdown-menu li a:hover {
  background: rgba(245,130,32,0.08);
  color: var(--secondary);
}

.dropdown-header {
  padding: 0.4rem 1.25rem;
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
}

.dropdown-divider {
  height: 1px;
  background: var(--border);
  margin: 0.5rem 1rem;
}

.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  color: var(--text);
  font-size: 1.25rem;
  cursor: pointer;
}

/* ─── Footer ─── */
footer {
  background: var(--bg-elevated);
  color: var(--text-secondary);
  padding: 4rem 0 2rem;
  font-size: 0.85rem;
  border-top: 1px solid var(--border);
}

footer h4 {
  color: var(--text);
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 1.25rem;
}

.footer-content {
  display: grid;
  grid-template-columns: 2fr 1fr 1.5fr 1.5fr;
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer-about p { color: var(--text-muted); margin-bottom: 1.25rem; line-height: 1.7; }

.social-links { display: flex; gap: 0.75rem; }
.social-links a {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(255,255,255,0.06);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  font-size: 0.85rem;
  transition: var(--transition);
}
.social-links a:hover { background: var(--secondary); color: white; }

.footer-links li { margin-bottom: 0.5rem; }
.footer-links a {
  color: var(--text-muted);
  transition: var(--transition);
  font-size: 0.85rem;
}
.footer-links a:hover { color: var(--text); }

.footer-contact li {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
  font-size: 0.85rem;
}
.footer-contact i { color: var(--secondary); font-size: 0.9rem; margin-top: 3px; }
.footer-contact a { color: var(--text-muted); transition: var(--transition); }
.footer-contact a:hover { color: var(--text); }

.footer-bottom {
  border-top: 1px solid var(--border);
  padding-top: 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.footer-nap { font-size: 0.75rem; color: var(--text-muted); }
.footer-nap a { color: inherit; }

/* ─── Back to Top ─── */
.back-to-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--secondary);
  color: white;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: all 0.3s ease;
  z-index: 999;
}
.back-to-top.show { opacity: 1; visibility: visible; transform: translateY(0); }
.back-to-top:hover { background: var(--secondary-light); }

/* ─── Floating WhatsApp ─── */
.floating-whatsapp {
  position: fixed;
  bottom: 2rem;
  left: 2rem;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: #25d366;
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  box-shadow: 0 4px 16px rgba(37,211,102,0.35);
  transition: var(--transition);
  z-index: 998;
}
.floating-whatsapp:hover { transform: scale(1.08); box-shadow: 0 6px 24px rgba(37,211,102,0.5); }

/* ─── Responsive ─── */
@media (max-width: 992px) {
  .footer-content { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .nav-links {
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100vh;
    background: var(--bg);
    flex-direction: column;
    justify-content: center;
    gap: 2rem;
    left: -100%;
    transition: left 0.3s ease;
  }
  .nav-links.active { left: 0; }
  .nav-links > li > a { color: var(--text-secondary); font-size: 1.1rem; }
  .mobile-menu-btn { display: block; }
  .dropdown-menu {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    box-shadow: none;
    border: none;
    background: var(--bg-elevated);
    margin-top: 0.5rem;
    display: none;
  }
  .dropdown.active .dropdown-menu { display: block; }
  .footer-content { grid-template-columns: 1fr; gap: 2rem; }
  .footer-bottom { flex-direction: column; text-align: center; }
}