/* =============================================
   KAINOVA IT Consulting — Main Stylesheet
   Mobile First
   ============================================= */



:root {
  --navy:    #0D2B5E;
  --blue:    #1A4B9E;
  --cyan:    #2196F3;
  --green:   #2ECC71;
  --silver:  #90A4AE;
  --dark:    #060E1A;
  --card:    #0B1628;
  --border:  rgba(33,150,243,0.18);
  --text:    #E8EDF5;
  --muted:   #6B7FA0;
  --white:   #FFFFFF;
  --radius:  12px;
  --shadow:  0 8px 32px rgba(0,0,0,0.4);
  --trans:   all 0.3s ease;
}

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

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

body {
  background: var(--dark);
  color: var(--text);
  font-family: 'Inter', sans-serif;
  line-height: 1.6;
  overflow-x: hidden;
}

img { max-width: 100%; height: auto; display: block; }
a  { color: var(--cyan); text-decoration: none; transition: var(--trans); }
a:hover { color: var(--white); }

/* ── SCROLLBAR ── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--dark); }
::-webkit-scrollbar-thumb { background: var(--blue); border-radius: 3px; }

/* ── SELECTION ── */
::selection { background: var(--cyan); color: var(--dark); }

/* ── CONTAINER ── */
.container {
  width: 100%;
  padding: 0 20px;
  margin: 0 auto;
}

/* ── GRID BACKGROUND ── */
.grid-bg {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(33,150,243,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(33,150,243,0.04) 1px, transparent 1px);
  background-size: 50px 50px;
  pointer-events: none;
}

/* ── NAVBAR ── */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  padding: 16px 20px;
  transition: var(--trans);
  background: transparent;
}
.navbar.scrolled {
  background: rgba(6,14,26,0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  padding: 12px 20px;
}
.navbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1200px;
  margin: 0 auto;
}
.navbar-logo {
  display: flex;
  flex-direction: column;
  line-height: 1;
}
.navbar-logo .logo-text {
  font-size: 22px;
  font-weight: 900;
  color: var(--blue);
  letter-spacing: -1px;
}
.navbar-logo .logo-text span { color: var(--cyan); }
.navbar-logo .logo-sub {
  font-size: 7px;
  font-weight: 700;
  letter-spacing: 4px;
  color: var(--muted);
}

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

/* Nav Menu Mobile */
.nav-menu {
  position: fixed;
  top: 0; right: -100%;
  width: 80%;
  max-width: 320px;
  height: 100vh;
  background: rgba(11,22,40,0.98);
  backdrop-filter: blur(20px);
  border-left: 1px solid var(--border);
  padding: 80px 32px 40px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  transition: right 0.35s ease;
  z-index: 999;
}
.nav-menu.open { right: 0; }
.nav-menu a {
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
  padding: 12px 0;
  border-bottom: 1px solid var(--border);
  display: block;
}
.nav-menu a:hover { color: var(--cyan); padding-left: 8px; }

/* Lang switcher */
.lang-switcher {
  display: flex;
  gap: 6px;
  margin-top: 20px;
}
.lang-btn {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  letter-spacing: 2px;
  padding: 6px 12px;
  border-radius: 4px;
  border: 1px solid var(--border);
  color: var(--muted);
  cursor: pointer;
  background: transparent;
  transition: var(--trans);
}
.lang-btn.active, .lang-btn:hover {
  border-color: var(--cyan);
  color: var(--cyan);
  background: rgba(33,150,243,0.08);
}

/* Overlay */
.nav-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.6);
  z-index: 998;
  opacity: 0;
  pointer-events: none;
  transition: var(--trans);
}
.nav-overlay.open { opacity: 1; pointer-events: all; }

/* ── HERO ── */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding: 100px 20px 60px;
  background: linear-gradient(140deg, #020A16 0%, #071528 55%, #020A16 100%);
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 20% 50%, rgba(26,75,158,0.25) 0%, transparent 70%),
    radial-gradient(ellipse 50% 60% at 85% 70%, rgba(46,204,113,0.06) 0%, transparent 70%);
  pointer-events: none;
}
.hero-content {
  position: relative;
  z-index: 2;
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
}
.hero-badge {
  display: inline-block;
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  letter-spacing: 4px;
  color: var(--cyan);
  border: 1px solid rgba(33,150,243,0.35);
  padding: 6px 16px;
  border-radius: 2px;
  margin-bottom: 28px;
  text-transform: uppercase;
}
.hero-title {
  font-size: clamp(28px, 8vw, 72px);
  font-weight: 900;
  line-height: 1.05;
  letter-spacing: -1px;
  margin-bottom: 24px;
}
.hero-title .accent { color: var(--cyan); }
.hero-subtitle {
  font-size: clamp(14px, 2.5vw, 18px);
  color: var(--muted);
  max-width: 600px;
  line-height: 1.8;
  margin-bottom: 36px;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}
.hero-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  margin-top: 56px;
  padding-top: 40px;
  border-top: 1px solid var(--border);
}
.stat-item {}
.stat-num {
  font-size: 32px;
  font-weight: 900;
  color: var(--cyan);
  line-height: 1;
}
.stat-label {
  font-size: 11px;
  color: var(--muted);
  letter-spacing: 1px;
  margin-top: 4px;
}

/* ── BUTTONS ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: 6px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: var(--trans);
  text-decoration: none;
  white-space: nowrap;
}
.btn-primary {
  background: var(--cyan);
  color: var(--dark);
}
.btn-primary:hover {
  background: var(--white);
  color: var(--dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(33,150,243,0.35);
}
.btn-outline {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
}
.btn-outline:hover {
  border-color: var(--cyan);
  color: var(--cyan);
  transform: translateY(-2px);
}

/* ── SECTIONS ── */
section {
  padding: 70px 20px;
}
.section-header {
  text-align: center;
  margin-bottom: 48px;
}
.section-tag {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  letter-spacing: 4px;
  color: var(--cyan);
  text-transform: uppercase;
  margin-bottom: 12px;
  display: block;
}
.section-title {
  font-size: clamp(24px, 5vw, 40px);
  font-weight: 800;
  letter-spacing: -0.5px;
  margin-bottom: 16px;
}
.section-title span { color: var(--cyan); }
.section-desc {
  font-size: 14px;
  color: var(--muted);
  max-width: 580px;
  margin: 0 auto;
  line-height: 1.8;
}

/* ── SERVICES ── */
#servicios { background: var(--dark); }
.services-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  max-width: 1200px;
  margin: 0 auto;
}
.service-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 28px;
  position: relative;
  overflow: hidden;
  transition: var(--trans);
}
.service-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--cyan), transparent);
  opacity: 0;
  transition: var(--trans);
}
.service-card:hover { transform: translateY(-4px); border-color: rgba(33,150,243,0.4); }
.service-card:hover::before { opacity: 1; }
.service-icon {
  width: 52px; height: 52px;
  border-radius: 10px;
  background: rgba(33,150,243,0.1);
  border: 1px solid rgba(33,150,243,0.2);
  display: flex; align-items: center; justify-content: center;
  font-size: 20px;
  color: var(--cyan);
  margin-bottom: 20px;
}
.service-title {
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 10px;
}
.service-desc {
  font-size: 13px;
  color: var(--muted);
  line-height: 1.8;
}

/* ── CLIENTS ── */
#clientes { background: linear-gradient(180deg, #070F1D 0%, var(--dark) 100%); }
.clients-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  max-width: 1200px;
  margin: 0 auto;
}
.client-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px 20px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  transition: var(--trans);
  position: relative;
  overflow: hidden;
}
.client-card::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--blue), var(--cyan));
  transform: scaleX(0);
  transition: var(--trans);
}
.client-card:hover { transform: translateY(-4px); border-color: rgba(33,150,243,0.35); }
.client-card:hover::after { transform: scaleX(1); }
.client-category {
  font-family: 'JetBrains Mono', monospace;
  font-size: 9px;
  letter-spacing: 3px;
  color: var(--cyan);
  text-transform: uppercase;
}
.client-name {
  font-size: 15px;
  font-weight: 700;
  color: var(--white);
}
.client-desc {
  font-size: 12px;
  color: var(--muted);
  line-height: 1.7;
  flex: 1;
}
.client-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  font-weight: 600;
  color: var(--cyan);
  font-family: 'JetBrains Mono', monospace;
}
.client-link:hover { color: var(--white); }

/* ── ABOUT ── */
#nosotros { background: var(--dark); }
.about-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 40px;
}
.about-text p {
  font-size: 15px;
  color: var(--muted);
  line-height: 1.9;
  margin-bottom: 16px;
}
.about-cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}
.about-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 24px;
  position: relative;
  overflow: hidden;
}
.about-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--cyan), transparent);
}
.about-card-tag {
  font-family: 'JetBrains Mono', monospace;
  font-size: 9px;
  letter-spacing: 3px;
  color: var(--cyan);
  margin-bottom: 10px;
  text-transform: uppercase;
}
.about-card h3 {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 10px;
}
.about-card p {
  font-size: 13px;
  color: var(--muted);
  line-height: 1.8;
}

/* ── TECHNOLOGIES ── */
#tecnologias { background: linear-gradient(180deg, #070F1D 0%, var(--dark) 100%); }
.tech-groups {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 32px;
}
.tech-group-title {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  letter-spacing: 3px;
  color: var(--cyan);
  text-transform: uppercase;
  margin-bottom: 14px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border);
}
.tech-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.tech-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 10px 16px;
  font-size: 13px;
  font-weight: 600;
  transition: var(--trans);
}
.tech-tag:hover {
  border-color: var(--cyan);
  color: var(--cyan);
  transform: translateY(-2px);
}
.tech-tag i { color: var(--cyan); font-size: 15px; }

/* ── CONTACT ── */
#contacto { background: var(--dark); }
.contact-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 40px;
}
.contact-info-grid {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.contact-item {
  display: flex;
  align-items: center;
  gap: 16px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
}
.contact-item-icon {
  width: 44px; height: 44px;
  border-radius: 10px;
  background: rgba(33,150,243,0.1);
  border: 1px solid rgba(33,150,243,0.2);
  display: flex; align-items: center; justify-content: center;
  color: var(--cyan);
  font-size: 18px;
  flex-shrink: 0;
}
.contact-item-label {
  font-size: 10px;
  letter-spacing: 2px;
  color: var(--muted);
  font-family: 'JetBrains Mono', monospace;
  text-transform: uppercase;
  margin-bottom: 3px;
}
.contact-item-value {
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
}

/* Contact Form */
.contact-form {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 24px;
  position: relative;
  overflow: hidden;
}
.contact-form::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--cyan), transparent);
}
.form-group { margin-bottom: 20px; }
.form-group label {
  display: block;
  font-size: 11px;
  letter-spacing: 2px;
  color: var(--muted);
  font-family: 'JetBrains Mono', monospace;
  text-transform: uppercase;
  margin-bottom: 8px;
}
.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  background: rgba(6,14,26,0.8);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 12px 16px;
  font-size: 14px;
  color: var(--text);
  font-family: 'Inter', sans-serif;
  transition: var(--trans);
  outline: none;
  -webkit-appearance: none;
}
.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--cyan);
  background: rgba(33,150,243,0.04);
}
.form-group textarea { resize: vertical; min-height: 120px; }
.form-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}
.form-message {
  padding: 12px 16px;
  border-radius: 6px;
  font-size: 13px;
  margin-bottom: 16px;
  display: none;
}
.form-message.success { background: rgba(46,204,113,0.1); border: 1px solid rgba(46,204,113,0.3); color: var(--green); display: block
.form-message.error   { background: rgba(231,76,60,0.1);  border: 1px solid rgba(231,76,60,0.3);  color: #E74C3C; display: block; }

/* ── FOOTER ── */
.footer {
  background: #030A14;
  border-top: 1px solid var(--border);
  padding: 48px 20px 28px;
}
.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
}
.footer-top {
  display: flex;
  flex-direction: column;
  gap: 32px;
  margin-bottom: 40px;
}
.footer-logo .logo-text {
  font-size: 26px;
  font-weight: 900;
  color: var(--blue);
  letter-spacing: -1px;
}
.footer-logo .logo-text span { color: var(--cyan); }
.footer-logo .logo-sub {
  font-size: 8px;
  font-weight: 700;
  letter-spacing: 5px;
  color: var(--muted);
  margin-top: 2px;
}
.footer-tagline {
  font-size: 13px;
  color: var(--muted);
  margin-top: 12px;
  max-width: 280px;
  line-height: 1.7;
}
.footer-links h4 {
  font-size: 11px;
  letter-spacin
  color: var(--cyan);
  font-family: 'JetBrains Mono', monospace;
  text-transform: uppercase;
  margin-bottom: 16px;
}
.footer-links ul { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.footer-links a { font-size: 13px; color: var(--muted); }
.footer-links a:hover { color: var(--cyan); }
.footer-bottom {
  border-top: 1px solid var(--border);
  padding-top: 24px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  align-items: center;
  text-align: center;
}
.footer-copy {
  font-size: 12px;
  color: var(--muted);
  font-family: 'JetBrains Mono', monospace;
}
.back-to-top {
  width: 40px; height: 40px;
  border-radius: 8px;
  background: var(--card);
  border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  color: var(--muted);
  font-size: 14px;
  transition: var(--trans);
  cursor: pointer;
}
.back-to-top:hover { border-color: var(--cyan); color: var(--cyan); }

/* ── TOAST ── */
.toast {
  position: fixed;
  bottom: 20px; right: 20px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px 20px;
  font-size: 13px;
  z-index: 9999;
  transform: translateY(100px);
  opacity: 0;
  transition: var(--trans);
  max-width: 300px;
}
.toast.show { transform: translateY(0); opacity: 1; }
.toast.success { border-color: rgba(46,204,113,0.4); color: var(--green); }
.toast.error   { border-color: rgba(231,76,60,0.4);  color: #E74C3C; }

/* ── TABLET ── */
@media (min-width: 600px) {
  .container { padding: 0 32px; }
  .services-grid { grid-template-columns: 1fr 1fr; }
  .clients-grid  { grid-template-columns: 1fr 1fr; }
  .about-cards   { grid-template-columns: 1fr 1fr; }
  .form-row      { grid-template-columns: 1fr 1fr; }
  .footer-top    { flex-direction: row; flex-wrap: wrap; }
}

/* ── DESKTOP ── */
@media (min-width: 1024px) {
  .container { padding: 0 40px; }
  section { padding: 100px 40px; }

  /* Navbar desktop */
  .nav-toggle { display: none; }
  .nav-menu {
    position: static;
    width: auto;
    height: auto;
    background: transparent;
    backdrop-filter: none;
    border: none;
    padding: 0;
    flex-direction: row;
    align-items: center;
    gap: 4px;
  }
  .nav-menu a {
    font-size: 13px;
    font-weight: 500;
    color: var(--muted);
    padding: 8px 14px;
    border: none;
    border-radius: 6px;
  }
  .nav-menu a:hover { color: var(--white); background: rgba(255,255,255,0.05); padding-left: 14px; }
  .lang-switcher { margin-top: 0; }
  .nav-overlay { display: none !important; }

  /* Hero */
  .hero { padding: 140px 40px 80px; }

  /* Grids */
  .services-grid { grid-template-columns: repeat(3, 1fr); }
  .clients-grid  { grid-template-columns: repeat(3, 1fr); }
  .about-cards   { grid-template-columns: repeat(3, 1fr); }
  .contact-inner { flex-direction: row; align-items: flex-start; }
  .contact-info-grid { flex: 1; }
  .contact-form  { flex: 1.4; }
  .tech-groups   { display: grid; grid-template-columns: repeat(2, 1fr); gap: 40px; }
  .footer-top    { justify-content: space-between; }
  .footer-bottom { flex-direction: row; justify-content: space-between; }
}

@media (min-width: 1280px) {
  .clients-grid { grid-template-columns: repeat(3, 1fr); }
}

/* ── FIX OVERFLOW MOBILE ── */
html, body {
  overflow-x: hidden;
  width: 100%;
}
.navbar-inner,
.hero-content,
.services-grid,
.clients-grid,
.about-inner,
.tech-groups,
.contact-inner,
.footer-inner {
  width: 100%;
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 20px;
  padding-right: 20px;
  box-sizing: border-box;
}
section {
  padding-left: 0;
  padding-right: 0;
  overflow: hidden;
}
.footer {
  padding-left: 0;
  padding-right: 0;
}