/* ===========================
   PROTOLAB3D — Global Styles
   =========================== */

@import url('https://fonts.googleapis.com/css2?family=Rajdhani:wght@400;500;600;700&family=Inter:wght@300;400;500;600&family=Space+Mono:wght@400;700&display=swap');

:root {
  --blue:        #1A6FFF;
  --blue-light:  #4D93FF;
  --blue-glow:   rgba(26, 111, 255, 0.25);
  --dark:        #0A0C10;
  --dark-2:      #0F1218;
  --dark-3:      #151A22;
  --dark-4:      #1C2330;
  --border:      rgba(26, 111, 255, 0.18);
  --text:        #E8EDF5;
  --text-muted:  #7A8899;
  --white:       #FFFFFF;
  --green:       #00E676;

  --font-display: 'Rajdhani', sans-serif;
  --font-body:    'Inter', sans-serif;
  --font-mono:    'Space Mono', monospace;

  --radius: 8px;
  --radius-lg: 16px;
  --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--dark);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

/* ===========================
   NAVBAR
   =========================== */

.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(10, 12, 16, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  padding: 0 2rem;
  height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.navbar-logo {
  display: flex;
  align-items: center;
  gap: 10px;
}

.navbar-logo img {
  height: 38px;
  width: auto;
}

.navbar-logo span {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--white);
}

.navbar-logo span em {
  color: var(--blue);
  font-style: normal;
}

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

.navbar-links a {
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
  transition: color var(--transition);
  position: relative;
}

.navbar-links a::after {
  content: '';
  position: absolute;
  bottom: -4px; left: 0; right: 0;
  height: 2px;
  background: var(--blue);
  transform: scaleX(0);
  transition: transform var(--transition);
}

.navbar-links a:hover,
.navbar-links a.active {
  color: var(--white);
}

.navbar-links a:hover::after,
.navbar-links a.active::after {
  transform: scaleX(1);
}

.navbar-cta {
  background: var(--blue);
  color: var(--white) !important;
  padding: 0.45rem 1.1rem;
  border-radius: var(--radius);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.9rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  transition: background var(--transition), box-shadow var(--transition) !important;
}

.navbar-cta:hover {
  background: var(--blue-light) !important;
  box-shadow: 0 0 20px var(--blue-glow) !important;
}

.navbar-cta::after { display: none !important; }

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 4px;
}

.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text);
  transition: var(--transition);
}

/* ===========================
   BUTTONS
   =========================== */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 0.75rem 1.75rem;
  border-radius: var(--radius);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  cursor: pointer;
  border: none;
  transition: all var(--transition);
}

.btn-primary {
  background: var(--blue);
  color: var(--white);
}

.btn-primary:hover {
  background: var(--blue-light);
  box-shadow: 0 0 30px var(--blue-glow);
  transform: translateY(-1px);
}

.btn-outline {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
}

.btn-outline:hover {
  border-color: var(--blue);
  color: var(--blue);
  box-shadow: 0 0 20px var(--blue-glow);
}

.btn-whatsapp {
  background: #25D366;
  color: var(--white);
}

.btn-whatsapp:hover {
  background: #20BD5C;
  box-shadow: 0 0 25px rgba(37, 211, 102, 0.3);
  transform: translateY(-1px);
}

/* ===========================
   SECTION BASE
   =========================== */

section {
  padding: 5rem 2rem;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
}

.section-label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--blue);
  margin-bottom: 0.75rem;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  line-height: 1.1;
  color: var(--white);
  margin-bottom: 1rem;
}

.section-title span {
  color: var(--blue);
}

.section-sub {
  color: var(--text-muted);
  font-size: 1.05rem;
  max-width: 560px;
}

/* ===========================
   CARDS
   =========================== */

.card {
  background: var(--dark-3);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  transition: border-color var(--transition), box-shadow var(--transition), transform var(--transition);
}

.card:hover {
  border-color: var(--blue);
  box-shadow: 0 0 30px var(--blue-glow);
  transform: translateY(-3px);
}

/* ===========================
   FOOTER
   =========================== */

footer {
  background: var(--dark-2);
  border-top: 1px solid var(--border);
  padding: 3rem 2rem 2rem;
}

.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 3rem;
}

.footer-brand p {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-top: 1rem;
  line-height: 1.7;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 0.5rem;
}

.footer-logo img { height: 32px; }

.footer-logo span {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--white);
}

.footer-logo span em {
  color: var(--blue);
  font-style: normal;
}

.footer-col h4 {
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 1rem;
}

.footer-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.footer-col ul a {
  color: var(--text-muted);
  font-size: 0.9rem;
  transition: color var(--transition);
}

.footer-col ul a:hover { color: var(--blue); }

.footer-bottom {
  max-width: 1200px;
  margin: 2rem auto 0;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-bottom p {
  color: var(--text-muted);
  font-size: 0.8rem;
}

.social-links {
  display: flex;
  gap: 1rem;
}

.social-links a {
  color: var(--text-muted);
  font-size: 0.85rem;
  font-family: var(--font-mono);
  transition: color var(--transition);
}

.social-links a:hover { color: var(--blue); }

/* ===========================
   GLOW LINE DIVIDER
   =========================== */

.glow-divider {
  width: 60px;
  height: 3px;
  background: var(--blue);
  border-radius: 2px;
  box-shadow: 0 0 12px var(--blue);
  margin-bottom: 2.5rem;
}

/* ===========================
   RESPONSIVE
   =========================== */

@media (max-width: 900px) {
  .navbar-links {
    display: none;
    position: fixed;
    top: 68px; left: 0; right: 0;
    background: var(--dark-2);
    border-bottom: 1px solid var(--border);
    flex-direction: column;
    padding: 1.5rem 2rem;
    gap: 1.25rem;
    align-items: flex-start;
  }

  .navbar-links.open { display: flex; }

  .hamburger { display: flex; }

  .footer-inner {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  section { padding: 3.5rem 1.25rem; }
}

/* ===========================
   MODAL COTIZAR
   =========================== */

.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(5, 7, 12, 0.25);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  z-index: 999;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
}

.modal-overlay.open {
  display: flex;
}

.modal-box {
  background: var(--dark-3);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 2.5rem;
  width: 100%;
  max-width: 480px;
  position: relative;
  overflow: hidden;
  animation: modalIn 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

@keyframes modalIn {
  from { opacity: 0; transform: scale(0.9) translateY(20px); }
  to   { opacity: 1; transform: scale(1) translateY(0); }
}

.modal-box::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--blue), var(--blue-light), transparent);
  border-radius: 20px 20px 0 0;
}

.modal-close {
  position: absolute;
  top: 1rem; right: 1rem;
  background: var(--dark-4);
  border: 1px solid var(--border);
  color: var(--text-muted);
  width: 36px; height: 36px;
  border-radius: 50%;
  cursor: pointer;
  font-size: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition);
}

.modal-close:hover {
  border-color: var(--blue);
  color: var(--white);
}

.modal-label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--blue);
  margin-bottom: 0.5rem;
}

.modal-title {
  font-family: var(--font-display);
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 0.4rem;
  line-height: 1.1;
}

.modal-title span { color: var(--blue); }

.modal-sub {
  color: var(--text-muted);
  font-size: 0.88rem;
  margin-bottom: 2rem;
}

/* WhatsApp — MAIN */
.modal-wa {
  display: flex;
  align-items: center;
  gap: 1rem;
  background: linear-gradient(135deg, #1DAA61, #128C7E);
  border-radius: var(--radius-lg);
  padding: 1.25rem 1.5rem;
  color: var(--white);
  text-decoration: none;
  margin-bottom: 1rem;
  transition: all var(--transition);
  box-shadow: 0 4px 24px rgba(29, 170, 97, 0.25);
}

.modal-wa:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(29, 170, 97, 0.4);
}

.modal-wa-icon {
  width: 48px; height: 48px;
  background: rgba(255,255,255,0.15);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.modal-wa-text .top {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  opacity: 0.8;
  margin-bottom: 2px;
}

.modal-wa-text .num {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}

/* Other options */
.modal-options {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.modal-opt {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.85rem 1rem;
  background: var(--dark-4);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.85rem;
  transition: all var(--transition);
}

.modal-opt:hover {
  border-color: var(--blue);
  color: var(--white);
  background: rgba(26,111,255,0.06);
}

.modal-opt .opt-icon { font-size: 1.1rem; flex-shrink: 0; }

.modal-opt .opt-info .opt-label {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 1px;
}

.modal-opt .opt-info .opt-val {
  font-size: 0.82rem;
  color: var(--text);
  font-weight: 500;
}

/* Form button */
.modal-form-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  padding: 0.85rem;
  background: rgba(26,111,255,0.08);
  border: 1px solid rgba(26,111,255,0.25);
  border-radius: var(--radius);
  color: var(--blue-light);
  text-decoration: none;
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  transition: all var(--transition);
}

.modal-form-btn:hover {
  background: rgba(26,111,255,0.14);
  border-color: var(--blue);
  color: var(--white);
}