/* ============================================
   LETSBEIT – Design System
   Premium Minimalist Tech Consulting
   ============================================ */

/* --- TOKENS --- */
:root {
  --blue: #4095D1;
  --blue-light: #5AAAE0;
  --blue-dark: #2D78B8;
  --black: #000000;
  --gray-900: #0D0D0D;
  --gray-800: #1A1A1A;
  --gray-700: #242424;
  --gray-200: #D4D8E2;
  --gray-100: #EBEBEB;
  --gray-50: #F5F5F5;
  --white: #FFFFFF;

  --font: 'Roboto', system-ui, sans-serif;
  --font-size-xs: 0.72rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-md: 1.125rem;
  --font-size-lg: 1.35rem;
  --font-size-xl: 1.75rem;
  --font-size-2xl: 2.25rem;
  --font-size-3xl: 3rem;
  --font-size-4xl: 4rem;
  --font-size-5xl: 5.5rem;

  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 32px;

  --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
  --shadow-md: 0 4px 20px rgba(0,0,0,0.1);
  --shadow-lg: 0 8px 40px rgba(0,0,0,0.14);
  --shadow-blue: 0 8px 32px rgba(74,144,226,0.22);

  --transition: 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --transition-slow: 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

/* --- RESET & BASE --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font);
  background: var(--black);
  color: var(--white);
  line-height: 1.65;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
ul { list-style: none; }

/* --- TYPOGRAPHY --- */
h1, h2, h3 { line-height: 1.13; letter-spacing: -0.03em; font-weight: 700; }
h1 { font-size: clamp(2.6rem, 6vw, var(--font-size-5xl)); }
h2 { font-size: clamp(2rem, 4vw, var(--font-size-3xl)); }
h3 { font-size: var(--font-size-xl); font-weight: 600; }
p { color: var(--gray-200); font-size: var(--font-size-md); max-width: 60ch; }

.accent { color: var(--blue); }
.label {
  display: inline-block;
  font-size: var(--font-size-xs);
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--blue);
  margin-bottom: 1rem;
}

/* --- LAYOUT --- */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}
.section { padding: 7rem 0; }

/* --- NAVIGATION --- */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  padding: 1.25rem 2rem;
  display: flex; align-items: center; justify-content: center;
  transition: background var(--transition), backdrop-filter var(--transition);
}
.nav.scrolled {
  background: rgba(8, 10, 14, 0.85);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.nav-inner {
  width: 100%;
  max-width: 1200px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}
.logo {
  display: flex; align-items: center; gap: 0.6rem;
  font-weight: 700; font-size: 1.05rem; letter-spacing: -0.01em;
}
.logo-svg { display: block; }
.logo-img {
  display: block;
  height: 68px;
  width: auto;
}
.footer-brand .logo-img {
  height: 52px;
}
.nav-links {
  display: flex; align-items: center; gap: 2.5rem;
}
.nav-links a {
  font-size: var(--font-size-sm);
  color: var(--gray-200);
  font-weight: 500;
  transition: color var(--transition);
}
.nav-links a:hover { color: var(--white); }
.btn-nav {
  background: var(--blue) !important;
  color: var(--white) !important;
  padding: 0.55rem 1.25rem !important;
  border-radius: var(--radius-sm);
  font-weight: 600 !important;
  transition: background var(--transition), transform var(--transition) !important;
}
.btn-nav:hover { background: var(--blue-light) !important; transform: translateY(-1px) !important; }
.lang-switcher {
  display: flex; align-items: center; gap: 0.4rem;
  font-size: var(--font-size-xs); font-weight: 700; letter-spacing: 0.06em;
  border-left: 1px solid rgba(255,255,255,0.12); padding-left: 1.5rem;
}
.lang-switcher a { color: rgba(255,255,255,0.35); transition: color var(--transition); }
.lang-switcher a:hover { color: var(--white); }
.lang-switcher a.active { color: var(--blue); }
.lang-switcher span { color: rgba(255,255,255,0.2); }
.nav-toggle {
  display: none; flex-direction: column; gap: 5px;
  background: none; border: none; cursor: pointer; padding: 4px;
}
.nav-toggle span { display: block; width: 24px; height: 2px; background: var(--white); border-radius: 2px; transition: var(--transition); }

/* --- BUTTONS --- */
.btn-primary {
  display: inline-flex; align-items: center; gap: 0.5rem;
  background: var(--blue);
  color: var(--white);
  font-weight: 600; font-size: var(--font-size-sm);
  padding: 0.85rem 1.75rem;
  border-radius: var(--radius-sm);
  transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
  border: none; cursor: pointer; font-family: var(--font);
}
.btn-primary:hover {
  background: var(--blue-light);
  transform: translateY(-2px);
  box-shadow: var(--shadow-blue);
}
.btn-primary.btn-large { font-size: var(--font-size-base); padding: 1.1rem 2.5rem; }
.btn-ghost {
  display: inline-flex; align-items: center; gap: 0.5rem;
  color: var(--gray-200);
  font-weight: 500; font-size: var(--font-size-sm);
  padding: 0.85rem 1.75rem;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(255,255,255,0.12);
  transition: all var(--transition);
}
.btn-ghost:hover { color: var(--white); border-color: rgba(255,255,255,0.3); background: rgba(255,255,255,0.04); }

/* --- HERO --- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex; align-items: center; justify-content: center;
  overflow: hidden;
  padding: 0 2rem;
}
#heroCanvas {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  opacity: 0.4;
}
.hero-content {
  position: relative; z-index: 2;
  max-width: 900px;
  text-align: center;
  padding-top: 80px;
}
.hero-eyebrow {
  font-size: var(--font-size-xs);
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--blue);
  margin-bottom: 1.5rem;
}
.hero-title {
  margin-bottom: 1.75rem;
  font-size: clamp(2.8rem, 7vw, 5.5rem);
}
.hero-subtitle {
  font-size: clamp(1rem, 2.5vw, 1.25rem);
  color: var(--gray-200);
  margin: 0 auto 2.5rem;
  max-width: 65ch;
}
.br-desktop { display: inline; }
.hero-actions { display: flex; align-items: center; justify-content: center; gap: 1rem; flex-wrap: wrap; }
.hero-scroll {
  position: absolute; bottom: 2.5rem; left: 50%; transform: translateX(-50%);
  display: flex; flex-direction: column; align-items: center; gap: 0.75rem;
  font-size: var(--font-size-xs); letter-spacing: 0.15em; text-transform: uppercase;
  color: var(--gray-200); z-index: 2;
  animation: scrollPulse 2s ease-in-out infinite;
}
.scroll-line { width: 1px; height: 48px; background: linear-gradient(to bottom, var(--gray-200), transparent); }
@keyframes scrollPulse { 0%, 100% { opacity: 0.4; transform: translateX(-50%) translateY(0); } 50% { opacity: 1; transform: translateX(-50%) translateY(6px); } }

/* --- SECTION HEADERS --- */
.section-header { text-align: center; margin-bottom: 4rem; }
.section-header h2 { margin-bottom: 1rem; }
.section-desc { margin: 0 auto; }

/* --- CARDS / PROBLEMAS --- */
.soluciones { background: var(--gray-900); }
.cards-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}
.card {
  background: var(--gray-800);
  border: 1px solid rgba(255,255,255,0.07);
  border-radius: var(--radius-lg);
  padding: 2.25rem;
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
  cursor: default;
}
.card:hover {
  transform: translateY(-4px);
  border-color: rgba(74,144,226,0.3);
  box-shadow: 0 8px 40px rgba(74,144,226,0.12);
}
.card-featured {
  background: linear-gradient(135deg, rgba(74,144,226,0.15), rgba(74,144,226,0.04));
  border-color: rgba(74,144,226,0.25);
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: auto 1fr auto;
  grid-template-rows: auto 1fr;
  align-items: start;
  column-gap: 1.5rem;
}
.card-featured h3 { grid-column: 2; }
.card-featured p { grid-column: 2; }
.card-featured .card-icon { grid-row: 1 / 3; grid-column: 1; align-self: center; }
.card-featured .card-link { grid-column: 3; grid-row: 1 / 3; align-self: center; white-space: nowrap; }
.card-icon {
  width: 52px; height: 52px;
  display: flex; align-items: center; justify-content: center;
  background: rgba(74,144,226,0.1);
  border-radius: var(--radius-md);
  color: var(--blue);
  margin-bottom: 1.25rem;
}
.card h3 { margin-bottom: 0.75rem; font-size: 1.2rem; }
.card p { font-size: var(--font-size-sm); line-height: 1.65; margin-bottom: 1.25rem; }
.card-link { font-size: var(--font-size-sm); color: var(--blue); font-weight: 600; transition: gap var(--transition); display: inline-flex; align-items: center; gap: 0.25rem; }
.card-link:hover { gap: 0.5rem; }

/* --- STACK SECTION --- */
.stack-section { background: var(--black); }
.stack-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: center;
}
.stack-text h2 { margin-bottom: 1.25rem; }
.stack-text p { margin-bottom: 2rem; }
.stack-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}
.stack-item {
  display: flex; flex-direction: column; align-items: center; gap: 0.6rem;
  padding: 1.5rem 1rem;
  background: var(--gray-800);
  border: 1px solid rgba(255,255,255,0.07);
  border-radius: var(--radius-md);
  text-align: center;
  transition: border-color var(--transition), transform var(--transition);
  font-size: var(--font-size-sm); color: var(--gray-200); font-weight: 500;
}
.stack-item:hover { border-color: rgba(74,144,226,0.4); transform: translateY(-3px); }
.stack-icon {
  display: flex; align-items: center; justify-content: center;
  width: 42px; height: 42px;
  background: rgba(74,144,226,0.12);
  border-radius: var(--radius-sm);
  font-size: 0.7rem; font-weight: 800;
  letter-spacing: 0.05em; color: var(--blue);
}
.stack-item-wide { grid-column: span 3; flex-direction: row; justify-content: center; }

/* --- ECOSYSTEM / DASHBOARD --- */
.ecosystem-section { background: var(--gray-900); }
.dashboard-preview {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  margin-top: 1rem;
}
.dashboard-card {
  background: var(--gray-800);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
}
.dash-header {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 1.5rem;
}
.dash-title { font-weight: 600; font-size: var(--font-size-base); }
.dash-badge {
  font-size: var(--font-size-xs);
  font-weight: 600; letter-spacing: 0.08em;
  padding: 0.3rem 0.75rem;
  border-radius: 100px;
  background: rgba(255,255,255,0.08);
  color: var(--gray-200);
}
.dash-badge.live {
  background: rgba(34,197,94,0.15);
  color: #22C55E;
  position: relative; padding-left: 1.25rem;
}
.dash-badge.live::before {
  content: ''; position: absolute; left: 0.6rem; top: 50%; transform: translateY(-50%);
  width: 6px; height: 6px; border-radius: 50%; background: #22C55E;
  animation: livePulse 1.5s ease-in-out infinite;
}
@keyframes livePulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.3; } }
.dash-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; margin-bottom: 1.5rem; }
.stat-block { padding: 1rem; background: rgba(255,255,255,0.03); border-radius: var(--radius-sm); }
.stat-value { display: block; font-size: 1.6rem; font-weight: 700; letter-spacing: -0.03em; }
.stat-label { display: block; font-size: var(--font-size-xs); color: var(--gray-200); margin: 0.2rem 0; }
.stat-delta { display: block; font-size: var(--font-size-xs); font-weight: 600; }
.stat-delta.up { color: #22C55E; }
.stat-delta.down { color: #F87171; }
.dash-chart { padding-top: 0.5rem; }
.chart-bars { display: flex; align-items: flex-end; gap: 6px; height: 80px; }
.bar {
  flex: 1; background: rgba(74,144,226,0.2); border-radius: 3px 3px 0 0;
  height: var(--h);
  transition: background var(--transition);
}
.bar.active { background: var(--blue); }
.bar:hover { background: var(--blue-light); }
.chart-labels { display: flex; gap: 6px; margin-top: 0.5rem; }
.chart-labels span { flex: 1; text-align: center; font-size: 0.65rem; color: var(--gray-200); }

/* Project List */
.project-list { display: flex; flex-direction: column; gap: 1rem; }
.project-item { display: flex; align-items: center; gap: 1rem; }
.project-info { flex: 1; min-width: 0; }
.project-name { display: block; font-size: var(--font-size-sm); font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.project-client { display: block; font-size: var(--font-size-xs); color: var(--gray-200); }
.project-progress-wrap { display: flex; align-items: center; gap: 0.5rem; width: 140px; }
.progress-bar { flex: 1; height: 4px; background: rgba(255,255,255,0.1); border-radius: 2px; }
.progress-fill { height: 100%; background: var(--blue); border-radius: 2px; width: var(--w); }
.progress-pct { font-size: var(--font-size-xs); font-weight: 600; width: 2.5rem; text-align: right; }
.project-status { font-size: var(--font-size-xs); font-weight: 600; padding: 0.25rem 0.6rem; border-radius: 100px; white-space: nowrap; }
.status-on { background: rgba(34,197,94,0.12); color: #22C55E; }
.status-done { background: rgba(74,144,226,0.12); color: var(--blue); }
.status-warn { background: rgba(251,191,36,0.12); color: #FBBF24; }

/* --- ABOUT --- */
.about-section { background: var(--black); }
.about-inner {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 5rem;
  align-items: center;
}
.about-text h2 { margin-bottom: 1.5rem; }
.about-text p { margin-bottom: 1.25rem; }
.about-text p strong { color: var(--white); font-weight: 600; }
.about-pillars { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; margin-top: 2rem; }
.pillar { display: flex; align-items: center; gap: 0.75rem; }
.pillar-num { font-size: var(--font-size-sm); font-weight: 700; color: var(--blue); min-width: 24px; }
.pillar-text { font-size: var(--font-size-sm); color: var(--gray-100); font-weight: 500; }
.about-quote {
  background: var(--gray-800);
  border: 1px solid rgba(255,255,255,0.08);
  border-left: 3px solid var(--blue);
  border-radius: var(--radius-lg);
  padding: 2.25rem;
}
blockquote { font-size: var(--font-size-lg); line-height: 1.5; color: var(--white); font-weight: 400; margin-bottom: 1.75rem; }
.quote-author { display: flex; align-items: center; gap: 1rem; }
.author-name { display: block; font-size: var(--font-size-sm); font-weight: 600; color: var(--white); }
.author-role { display: block; font-size: var(--font-size-xs); color: var(--gray-200); margin-top: 0.2rem; }

/* --- CTA SECTION --- */
.cta-section {
  background: var(--gray-900);
  border-top: 1px solid rgba(255,255,255,0.06);
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.cta-inner { text-align: center; max-width: 700px; margin: 0 auto; }
.cta-inner h2 { margin-bottom: 1.25rem; }
.cta-inner p { margin: 0 auto 2.5rem; }

/* --- FOOTER --- */
.footer { background: var(--black); padding: 4rem 0 2rem; }
.footer-inner { display: grid; grid-template-columns: 1.5fr 1fr; gap: 3rem; margin-bottom: 3rem; }
.footer-brand .logo { margin-bottom: 1rem; }
.footer-brand p { font-size: var(--font-size-sm); max-width: 30ch; }
.footer-nav { display: grid; grid-template-columns: 1fr 1fr; gap: 2rem; }
.footer-col { display: flex; flex-direction: column; gap: 0.75rem; }
.footer-heading { font-size: var(--font-size-xs); font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase; color: var(--gray-200); margin-bottom: 0.5rem; }
.footer-col a { font-size: var(--font-size-sm); color: var(--gray-200); transition: color var(--transition); }
.footer-col a:hover { color: var(--white); }
.footer-bottom {
  display: flex; justify-content: space-between; align-items: center;
  padding-top: 2rem;
  border-top: 1px solid rgba(255,255,255,0.06);
  font-size: var(--font-size-xs); color: var(--gray-200);
}

/* --- ANIMATIONS --- */
[data-animate] {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94),
              transform 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}
[data-animate].visible { opacity: 1; transform: translateY(0); }
[data-delay="1"] { transition-delay: 0.1s; }
[data-delay="2"] { transition-delay: 0.2s; }
[data-delay="3"] { transition-delay: 0.3s; }
[data-delay="4"] { transition-delay: 0.4s; }
[data-delay="5"] { transition-delay: 0.5s; }
[data-delay="6"] { transition-delay: 0.6s; }
[data-delay="7"] { transition-delay: 0.7s; }

/* ===================== SKIP LINK ===================== */
.skip-link {
  position: absolute;
  top: -100%;
  left: 1rem;
  background: var(--blue);
  color: #fff;
  padding: 0.5rem 1rem;
  border-radius: 0 0 4px 4px;
  z-index: 9999;
  font-size: 0.9rem;
  transition: top 0.2s;
}
.skip-link:focus {
  top: 0;
}

/* ===================== SOLUCIONES PAGE ===================== */
.page-hero {
  padding: 8rem 0 5rem;
  background: var(--black);
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.page-hero h1 { margin-bottom: 1rem; }
.page-hero p { font-size: var(--font-size-lg); max-width: 55ch; }

.services-detail {
  background: var(--gray-900);
}
.service-block {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
  padding: 5rem 0;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.service-block:last-child { border-bottom: none; }
.service-block.reverse { direction: rtl; }
.service-block.reverse > * { direction: ltr; }
.service-icon-large {
  width: 72px; height: 72px;
  background: rgba(74,144,226,0.12);
  border-radius: var(--radius-lg);
  display: flex; align-items: center; justify-content: center;
  color: var(--blue); margin-bottom: 1.5rem;
}
.service-body h3 { font-size: var(--font-size-xl); margin-bottom: 1rem; }
.service-body p { margin-bottom: 1.5rem; }
.service-tags { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.tag {
  font-size: var(--font-size-xs); font-weight: 600;
  padding: 0.35rem 0.75rem;
  border-radius: 100px;
  background: rgba(74,144,226,0.1);
  color: var(--blue);
  border: 1px solid rgba(74,144,226,0.2);
}
.service-visual {
  background: var(--gray-800);
  border: 1px solid rgba(255,255,255,0.07);
  border-radius: var(--radius-xl);
  overflow: hidden;
  min-height: 300px;
  display: flex; align-items: center; justify-content: center;
  color: var(--gray-200); font-size: var(--font-size-sm);
  padding: 2.5rem;
  position: relative;
}
.flow-diagram { width: 100%; }
.flow-step {
  display: flex; align-items: center; gap: 1rem;
  padding: 0.85rem 1rem;
  border-radius: var(--radius-sm);
  margin-bottom: 0.5rem;
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.06);
  font-size: var(--font-size-sm);
}
.flow-num { width: 28px; height: 28px; border-radius: 50%; background: rgba(74,144,226,0.15); display: flex; align-items: center; justify-content: center; font-size: 0.7rem; font-weight: 700; color: var(--blue); flex-shrink: 0; }
.flow-arrow { text-align: center; color: var(--blue); margin: 0.25rem 0; }

/* ===================== PORTFOLIO PAGE ===================== */
.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}
.portfolio-card {
  background: var(--gray-800);
  border: 1px solid rgba(255,255,255,0.07);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: transform var(--transition), border-color var(--transition);
}
.portfolio-card:hover { transform: translateY(-4px); border-color: rgba(74,144,226,0.3); }
.portfolio-card-img {
  height: 220px;
  background: linear-gradient(135deg, var(--gray-700), var(--gray-800));
  display: flex; align-items: center; justify-content: center;
  color: var(--gray-200); font-size: var(--font-size-sm);
  border-bottom: 1px solid rgba(255,255,255,0.06);
  position: relative; overflow: hidden;
}
.portfolio-card-body { padding: 1.75rem; }
.portfolio-card-body h3 { font-size: 1.1rem; margin-bottom: 0.5rem; }
.portfolio-card-body p { font-size: var(--font-size-sm); margin-bottom: 1rem; }
.portfolio-category { font-size: var(--font-size-xs); font-weight: 600; color: var(--blue); text-transform: uppercase; letter-spacing: 0.1em; margin-bottom: 0.5rem; display: block; }

/* ===================== CONTACT PAGE ===================== */
.contact-section { background: var(--gray-900); padding: 7rem 0; }
.contact-inner {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 5rem;
  align-items: start;
}
.contact-info h2 { margin-bottom: 1.25rem; }
.contact-info p { margin-bottom: 2rem; }
.contact-item { display: flex; align-items: center; gap: 0.75rem; margin-bottom: 1rem; font-size: var(--font-size-sm); color: var(--gray-200); }
.contact-item-icon { width: 36px; height: 36px; border-radius: var(--radius-sm); background: rgba(74,144,226,0.1); display: flex; align-items: center; justify-content: center; color: var(--blue); flex-shrink: 0; }

/* Form */
.contact-form {
  background: var(--gray-800);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius-xl);
  padding: 2.5rem;
}
.form-group { margin-bottom: 1.5rem; }
.form-group label { display: block; font-size: var(--font-size-sm); font-weight: 600; margin-bottom: 0.5rem; color: var(--gray-100); }
.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-sm);
  padding: 0.85rem 1rem;
  font-family: var(--font);
  font-size: var(--font-size-sm);
  color: var(--white);
  transition: border-color var(--transition);
  outline: none;
}
.form-group input::placeholder,
.form-group textarea::placeholder { color: rgba(255,255,255,0.3); }
.form-group select option { background: var(--gray-800); }
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  border-color: var(--blue);
  background: rgba(74,144,226,0.05);
}
.form-group textarea { resize: vertical; min-height: 120px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }

/* Honeypot — invisible para humanos */
.hp-field { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

/* Bloque de errores del formulario */
.form-errors {
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid rgba(239, 68, 68, 0.35);
  border-radius: var(--radius-sm);
  padding: 0.85rem 1rem;
  margin-bottom: 1.25rem;
}
.form-errors p {
  color: #FCA5A5;
  font-size: var(--font-size-sm);
  margin: 0;
  padding: 0.2rem 0;
  line-height: 1.4;
}
.form-errors p + p { margin-top: 0.25rem; }

/* ===================== RESPONSIVE ===================== */
@media (max-width: 1024px) {
  .cards-grid { grid-template-columns: 1fr 1fr; }
  .card-featured { grid-column: span 2; grid-template-columns: auto 1fr; grid-template-rows: auto auto; }
  .card-featured .card-link { grid-column: 1 / -1; grid-row: 3; }
  .stack-inner { grid-template-columns: 1fr; gap: 3rem; }
  .dashboard-preview { grid-template-columns: 1fr; }
  .about-inner { grid-template-columns: 1fr; gap: 3rem; }
  .portfolio-grid { grid-template-columns: 1fr 1fr; }
  .contact-inner { grid-template-columns: 1fr; gap: 3rem; }
  .service-block { grid-template-columns: 1fr; }
  .service-block.reverse { direction: ltr; }
}

@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-links.open { display: flex; flex-direction: column; position: fixed; inset: 0; padding: 5rem 2rem 2rem; background: var(--black); z-index: 99; gap: 1.5rem; }
  .nav-toggle { display: flex; z-index: 100; }
  .nav-toggle.open span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
  .nav-toggle.open span:nth-child(2) { opacity: 0; }
  .nav-toggle.open span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }
  .cards-grid { grid-template-columns: 1fr; }
  .card-featured { grid-column: auto; grid-template-columns: 1fr; }
  .card-featured .card-icon { grid-row: auto; grid-column: auto; }
  .card-featured .card-link { grid-column: auto; grid-row: auto; }
  .stack-grid { grid-template-columns: repeat(2, 1fr); }
  .stack-item-wide { grid-column: span 2; }
  .dash-stats { grid-template-columns: 1fr; gap: 0.75rem; }
  .footer-inner { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; gap: 0.5rem; text-align: center; }
  .portfolio-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .br-desktop { display: none; }
  h1 { font-size: 2.6rem; }
  h2 { font-size: 2rem; }
}