/* ============================================================
   ITechPro — layout.css
   Contenedor · Navegación · Footer · Grid
   ============================================================ */

/* ── CONTENEDOR ── */
.container {
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 28px;
  position: relative;
  z-index: 1;
}
.container-wide {
  max-width: 1340px;
  margin: 0 auto;
  padding: 0 28px;
  position: relative;
  z-index: 1;
}
.container-narrow {
  max-width: 820px;
  margin: 0 auto;
  padding: 0 28px;
  position: relative;
  z-index: 1;
}

/* ── GRID ── */
.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 28px;
}
.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
}
.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 24px;
}
.grid-hero {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: 64px;
  align-items: center;
}
.grid-hero-rev {
  display: grid;
  grid-template-columns: 1fr 1.15fr;
  gap: 64px;
  align-items: center;
}
.grid-60-40 {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 48px;
  align-items: start;
}

/* ── SECCIÓN ── */
.section {
  padding: var(--section-py) 0;
  position: relative;
  z-index: 1;
  overflow: hidden;
}
.section-sm {
  padding: var(--section-py-sm) 0;
}
.section-alt {
  background: var(--bg2);
}
.section-surf {
  background: var(--surf);
}

/* ── NAVEGACIÓN ── */
nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 20px 0;
  transition: var(--trans);
}
nav.scrolled {
  background: var(--glass);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  padding: 14px 0;
  box-shadow: var(--shadow-sm);
}
.nav-inner {
  display: flex;
  align-items: center;
  gap: 40px;
}
.nav-logo {
  font-family: var(--font-h);
  font-weight: 800;
  font-size: 1.3rem;
  color: var(--text);
  text-decoration: none;
  letter-spacing: -0.025em;
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.nav-logo .logo-pro {
  color: var(--cyan);
}
.nav-logo img {
  width: 36px;
  height: 36px;
  object-fit: contain;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 34px;
  margin-left: auto;
}
.nav-links a {
  color: var(--text2);
  font-size: 0.9rem;
  font-weight: 400;
  letter-spacing: 0.01em;
  transition: color 0.2s;
  position: relative;
  padding-bottom: 2px;
}
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 1.5px;
  background: var(--cyan);
  transition: width 0.25s;
}
.nav-links a:hover,
.nav-links a.active {
  color: var(--text);
}
.nav-links a:hover::after,
.nav-links a.active::after {
  width: 100%;
}
.nav-cta {
  background: var(--cyan) !important;
  color: #04080F !important;
  font-weight: 600 !important;
  padding: 9px 22px !important;
  border-radius: 8px !important;
  font-size: 0.88rem !important;
  letter-spacing: 0 !important;
  transition: var(--trans) !important;
}
.nav-cta::after { display: none !important; }
.nav-cta:hover {
  background: var(--cyan2) !important;
  transform: translateY(-1px);
  box-shadow: 0 4px 20px rgba(0, 170, 255, 0.35) !important;
}

/* ── HAMBURGER MOBILE ── */
.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
  margin-left: auto;
}
.nav-hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: var(--trans);
}
.nav-hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-hamburger.open span:nth-child(2) { opacity: 0; }
.nav-hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ── MOBILE MENU ── */
.mobile-menu {
  display: none;
  position: fixed;
  inset: 0;
  background: var(--bg);
  z-index: 99;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 36px;
  opacity: 0;
  transition: opacity 0.3s;
}
.mobile-menu.open {
  display: flex;
  opacity: 1;
}
.mobile-menu a {
  font-family: var(--font-h);
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.02em;
  transition: color 0.2s;
}
.mobile-menu a:hover { color: var(--cyan); }
.mobile-menu .mobile-cta {
  background: var(--cyan);
  color: #04080F !important;
  padding: 12px 32px;
  border-radius: 10px;
  font-size: 1rem !important;
  font-weight: 600 !important;
}

/* ── HERO SPACER ── */
.hero-spacer {
  padding-top: 100px;
}

/* ── PAGE HERO ── */
.page-hero {
  padding: 110px 0 80px;
  position: relative;
  z-index: 1;
  text-align: center;
}
.page-hero h1 {
  max-width: 720px;
  margin: 0 auto 20px;
}
.page-hero p {
  max-width: 580px;
  margin: 0 auto;
  font-size: 1.05rem;
}

/* ── FOOTER ── */
footer {
  position: relative;
  z-index: 1;
  background: var(--bg2);
  border-top: 1px solid var(--border);
  padding: 72px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 48px;
  padding-bottom: 56px;
  border-bottom: 1px solid var(--border3);
}
.footer-brand .nav-logo {
  margin-bottom: 16px;
}
.footer-brand p {
  font-size: 0.9rem;
  color: var(--text3);
  line-height: 1.6;
  max-width: 240px;
}
.footer-col h5 {
  font-family: var(--font-b);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text3);
  margin-bottom: 20px;
}
.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: 11px;
}
.footer-col ul li a {
  font-size: 0.9rem;
  color: var(--text2);
  transition: color 0.2s;
}
.footer-col ul li a:hover { color: var(--cyan); }
.footer-contact-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-bottom: 12px;
}
.footer-contact-icon {
  width: 18px;
  height: 18px;
  color: var(--cyan);
  flex-shrink: 0;
  margin-top: 3px;
}
.footer-contact-item p {
  font-size: 0.88rem;
  color: var(--text2);
  line-height: 1.5;
}
.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 22px 0;
}
.footer-bottom p {
  font-size: 0.82rem;
  color: var(--text3);
}
.footer-bottom-links {
  display: flex;
  gap: 24px;
}
.footer-bottom-links a {
  font-size: 0.82rem;
  color: var(--text3);
  transition: color 0.2s;
}
.footer-bottom-links a:hover { color: var(--cyan); }
.footer-social {
  display: flex;
  gap: 12px;
  margin-top: 20px;
}
.footer-social a {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  border: 1px solid var(--border);
  color: var(--text2);
  transition: var(--trans-fast);
}
.footer-social a:hover {
  border-color: var(--border2);
  color: var(--cyan);
  background: var(--cyan-dim);
}
.footer-social svg {
  width: 16px;
  height: 16px;
}

/* ── WHATSAPP FLOTANTE ── */
.wa-float {
  position: fixed;
  bottom: 28px;
  right: 28px;
  z-index: 99;
  width: 54px;
  height: 54px;
  background: #25D366;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(37, 211, 102, 0.40);
  transition: var(--trans);
  animation: wa-pulse 3s infinite;
}
.wa-float:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 28px rgba(37, 211, 102, 0.55);
}
.wa-float svg {
  width: 28px;
  height: 28px;
  color: #fff;
}
@keyframes wa-pulse {
  0%, 100% { box-shadow: 0 4px 20px rgba(37,211,102,.4); }
  50% { box-shadow: 0 4px 32px rgba(37,211,102,.65); }
}

/* ── RESPONSIVE ── */
@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 36px; }
}
@media (max-width: 768px) {
  :root { --section-py: 64px; --section-py-sm: 44px; }
  .container { padding: 0 20px; }
  .nav-links { display: none; }
  .nav-hamburger { display: flex; }
  .grid-2, .grid-3, .grid-hero, .grid-hero-rev, .grid-60-40 {
    grid-template-columns: 1fr;
    gap: 28px;
  }
  .grid-hero, .grid-hero-rev { gap: 40px; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; gap: 12px; text-align: center; }
  .page-hero { padding: 120px 0 60px; }
}
@media (max-width: 480px) {
  h1 { font-size: 1.85rem; }
  h2 { font-size: 1.5rem; }
}