/* ============================================
   AGRODRONE — Estilos principales
   Branding: GREEN ATMOS + SPECTRE
   ============================================ */

:root {
  /* Paleta */
  --ad-bg:        #0F1424;
  --ad-bg-2:      #161C33;
  --ad-bg-3:      #1E2541;
  --ad-deep:      #262C43;
  --ad-green:     #18D26E;
  --ad-green-2:   #00C853;
  --ad-green-3:   #65E8A5;
  --ad-green-deep:#0A6E3A;
  --ad-blue:      #0874D6;
  --ad-white:     #FFFFFF;
  --ad-soft:      #E2E7F3;
  --ad-grey:      #9CA3B5;
  --ad-grey-2:    #6B7280;
  --ad-line:      rgba(226, 231, 243, 0.10);

  /* Tipografía */
  --ad-font:      'Inter', system-ui, -apple-system, sans-serif;
  --ad-display:   'Space Grotesk', 'Inter', sans-serif;

  /* Escala */
  --ad-radius:    14px;
  --ad-radius-lg: 22px;
  --ad-shadow:    0 30px 80px -20px rgba(0, 0, 0, 0.55);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--ad-font);
  background: var(--ad-bg);
  color: var(--ad-soft);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--ad-display);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--ad-white);
}

a { color: inherit; text-decoration: none; transition: color .2s ease; }
a:hover { color: var(--ad-green); }

.ad-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ad-green);
  padding: 6px 14px;
  border: 1px solid rgba(24, 210, 110, 0.35);
  border-radius: 999px;
  background: rgba(24, 210, 110, 0.08);
}

.ad-eyebrow::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--ad-green);
  box-shadow: 0 0 12px var(--ad-green);
}

/* ============== NAVBAR ============== */
.ad-nav {
  background: rgba(15, 20, 36, 0.7);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--ad-line);
  padding: 14px 0;
  transition: all .3s ease;
}
.ad-nav.scrolled {
  padding: 8px 0;
  background: rgba(15, 20, 36, 0.92);
}

.ad-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--ad-display);
  font-weight: 800;
  font-size: 1.25rem;
  color: var(--ad-white) !important;
  letter-spacing: -0.02em;
}
.ad-brand-mark {
  width: 32px; height: 32px;
  display: inline-flex; align-items: center; justify-content: center;
  color: var(--ad-green);
}
.ad-brand-mark svg { width: 100%; height: 100%; }
.ad-brand-text span { color: var(--ad-green); }

.ad-nav .nav-link {
  color: var(--ad-soft) !important;
  font-weight: 500;
  font-size: 0.95rem;
  padding: 8px 14px !important;
  border-radius: 8px;
  transition: all .2s ease;
}
.ad-nav .nav-link:hover { color: var(--ad-green) !important; background: rgba(24,210,110,0.06); }
.ad-nav .nav-link.active { color: var(--ad-green) !important; }
.ad-nav .navbar-toggler { color: var(--ad-white); border: 1px solid var(--ad-line); }
.ad-nav .navbar-toggler:focus { box-shadow: none; }

/* ============== BOTONES ============== */
.ad-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 22px;
  font-family: var(--ad-display);
  font-weight: 600;
  font-size: 0.95rem;
  border-radius: 999px;
  border: 1px solid transparent;
  transition: all .25s ease;
  position: relative;
  overflow: hidden;
}
.ad-btn-primary {
  background: var(--ad-green);
  color: var(--ad-bg) !important;
}
.ad-btn-primary:hover {
  background: var(--ad-green-3);
  color: var(--ad-bg) !important;
  transform: translateY(-2px);
  box-shadow: 0 12px 24px -8px rgba(24, 210, 110, 0.55);
}
.ad-btn-outline {
  background: transparent;
  color: var(--ad-white) !important;
  border-color: var(--ad-line);
}
.ad-btn-outline:hover {
  background: rgba(226, 231, 243, 0.06);
  border-color: var(--ad-soft);
  color: var(--ad-white) !important;
}
.ad-btn-lg { padding: 16px 30px; font-size: 1rem; }

/* ============== HERO ============== */
.ad-hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 140px 0 80px;
  overflow: hidden;
  background:
    radial-gradient(1200px 600px at 80% -10%, rgba(24, 210, 110, 0.18), transparent 60%),
    radial-gradient(900px 500px at -10% 50%, rgba(8, 116, 214, 0.10), transparent 60%),
    linear-gradient(180deg, var(--ad-bg), var(--ad-bg-2));
}

.ad-hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(226, 231, 243, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(226, 231, 243, 0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse at center, black 30%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse at center, black 30%, transparent 75%);
}

.ad-hero h1 {
  font-size: clamp(2.6rem, 6vw, 5.2rem);
  font-weight: 800;
  line-height: 1.02;
  margin-bottom: 1.5rem;
  letter-spacing: -0.03em;
}
.ad-hero h1 .ad-accent {
  background: linear-gradient(135deg, var(--ad-green-3), var(--ad-green));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.ad-hero-sub {
  font-size: 1.15rem;
  color: var(--ad-grey);
  max-width: 560px;
  margin-bottom: 2.2rem;
}

.ad-hero-stats {
  display: flex;
  gap: 2.5rem;
  margin-top: 4rem;
  padding-top: 2rem;
  border-top: 1px solid var(--ad-line);
}
.ad-hero-stats .stat-num {
  font-family: var(--ad-display);
  font-size: 2.4rem;
  font-weight: 700;
  color: var(--ad-white);
  display: block;
  line-height: 1;
}
.ad-hero-stats .stat-num .unit { color: var(--ad-green); font-size: 1.4rem; }
.ad-hero-stats .stat-label {
  font-size: 0.85rem;
  color: var(--ad-grey);
  margin-top: 0.4rem;
  display: block;
}

/* Visual del hero (drone artwork) */
.ad-hero-visual {
  position: relative;
  height: 540px;
}
.ad-hero-card {
  position: absolute;
  border-radius: var(--ad-radius-lg);
  background: linear-gradient(160deg, var(--ad-bg-3), var(--ad-bg-2));
  border: 1px solid var(--ad-line);
  overflow: hidden;
  box-shadow: var(--ad-shadow);
}
.ad-hc-main {
  inset: 0 30px 0 30px;
  background:
    linear-gradient(180deg, rgba(15,20,36,0) 50%, rgba(15,20,36,0.85)),
    url('https://images.unsplash.com/photo-1625246333195-78d9c38ad449?auto=format&fit=crop&w=900&q=80') center/cover;
}
.ad-hc-main::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 30% 80%, rgba(24, 210, 110, 0.35), transparent 50%);
  pointer-events: none;
}
.ad-hc-mini {
  bottom: 30px;
  right: -20px;
  width: 250px;
  padding: 22px;
  background: rgba(15,20,36,0.92);
  backdrop-filter: blur(10px);
  border: 1px solid var(--ad-line);
}
.ad-hc-mini .label {
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ad-green);
  margin-bottom: 6px;
}
.ad-hc-mini .value {
  font-family: var(--ad-display);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--ad-white);
}
.ad-hc-bar {
  height: 4px;
  background: var(--ad-bg-3);
  border-radius: 4px;
  margin-top: 12px;
  overflow: hidden;
}
.ad-hc-bar::before {
  content:'';
  display: block;
  height: 100%;
  width: 78%;
  background: linear-gradient(90deg, var(--ad-green-3), var(--ad-green));
}

.ad-hc-tag {
  top: 24px;
  left: -10px;
  padding: 10px 16px;
  background: var(--ad-green);
  color: var(--ad-bg);
  border-radius: 999px;
  font-weight: 700;
  font-size: 13px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  box-shadow: 0 20px 40px -10px rgba(24, 210, 110, 0.5);
}

/* ============== SECCIONES ============== */
.ad-section {
  position: relative;
  padding: 100px 0;
}
.ad-section-title {
  font-size: clamp(2rem, 4vw, 3.2rem);
  margin-bottom: 1rem;
  letter-spacing: -0.02em;
}
.ad-section-sub {
  color: var(--ad-grey);
  font-size: 1.1rem;
  max-width: 640px;
}

/* Trust bar */
.ad-trust {
  padding: 50px 0;
  border-top: 1px solid var(--ad-line);
  border-bottom: 1px solid var(--ad-line);
  background: var(--ad-bg-2);
}
.ad-trust-label {
  font-size: 12px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ad-grey-2);
  margin-bottom: 1rem;
}
.ad-trust-logos {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 50px;
  align-items: center;
  opacity: 0.65;
}
.ad-trust-logos span {
  font-family: var(--ad-display);
  font-weight: 600;
  color: var(--ad-soft);
  letter-spacing: 0.05em;
}

/* ============== SERVICIOS ============== */
.ad-services-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 24px;
}
.ad-service-card {
  grid-column: span 6;
  background: var(--ad-bg-2);
  border: 1px solid var(--ad-line);
  border-radius: var(--ad-radius-lg);
  padding: 36px;
  position: relative;
  overflow: hidden;
  transition: all .35s ease;
  min-height: 260px;
}
.ad-service-card.span-4 { grid-column: span 4; }
.ad-service-card.span-8 { grid-column: span 8; }
.ad-service-card:hover {
  border-color: rgba(24, 210, 110, 0.35);
  transform: translateY(-4px);
  background: linear-gradient(160deg, var(--ad-bg-2), var(--ad-bg-3));
}
.ad-service-card .ad-svc-icon {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  background: linear-gradient(135deg, rgba(24,210,110,0.18), rgba(24,210,110,0.04));
  border: 1px solid rgba(24,210,110,0.25);
  color: var(--ad-green);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  margin-bottom: 22px;
}
.ad-service-card h4 {
  font-size: 1.4rem;
  margin-bottom: 10px;
}
.ad-service-card p {
  color: var(--ad-grey);
  margin: 0;
}
.ad-service-card .ad-svc-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 18px;
  font-weight: 600;
  color: var(--ad-green);
  font-size: 0.9rem;
}
.ad-service-card .ad-svc-corner {
  position: absolute;
  top: -40px; right: -40px;
  width: 200px; height: 200px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(24,210,110,0.10), transparent 60%);
  pointer-events: none;
  opacity: 0;
  transition: opacity .35s;
}
.ad-service-card:hover .ad-svc-corner { opacity: 1; }

@media (max-width: 992px) {
  .ad-service-card,
  .ad-service-card.span-4,
  .ad-service-card.span-8 { grid-column: span 12; }
}

/* ============== PROCESO ============== */
.ad-process {
  background: var(--ad-bg-2);
  border-top: 1px solid var(--ad-line);
  border-bottom: 1px solid var(--ad-line);
}
.ad-step {
  position: relative;
  padding: 30px 0;
}
.ad-step-num {
  font-family: var(--ad-display);
  font-size: 4rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--ad-green-3), rgba(24,210,110,0.2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  margin-bottom: 18px;
}
.ad-step h5 {
  font-size: 1.2rem;
  margin-bottom: 10px;
}
.ad-step p {
  color: var(--ad-grey);
  font-size: 0.95rem;
}

/* ============== FEATURES (tecnología) ============== */
.ad-feature {
  display: flex;
  gap: 22px;
  padding: 28px;
  background: var(--ad-bg-2);
  border: 1px solid var(--ad-line);
  border-radius: var(--ad-radius);
  transition: all .25s;
}
.ad-feature:hover { border-color: rgba(24,210,110,0.35); }
.ad-feature i {
  font-size: 1.6rem;
  color: var(--ad-green);
  flex-shrink: 0;
}
.ad-feature h6 {
  font-size: 1.05rem;
  margin-bottom: 6px;
}
.ad-feature p { color: var(--ad-grey); font-size: 0.92rem; margin: 0; }

/* ============== CTA grande ============== */
.ad-cta {
  position: relative;
  padding: 100px 0;
  overflow: hidden;
}
.ad-cta-box {
  position: relative;
  background: linear-gradient(135deg, var(--ad-green-deep), var(--ad-green));
  border-radius: var(--ad-radius-lg);
  padding: 70px 50px;
  text-align: center;
  overflow: hidden;
}
.ad-cta-box::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.06) 1px, transparent 1px);
  background-size: 40px 40px;
  mask-image: radial-gradient(circle, black, transparent 70%);
  -webkit-mask-image: radial-gradient(circle, black, transparent 70%);
}
.ad-cta-box h2 {
  position: relative;
  font-size: clamp(2rem, 4vw, 3rem);
  color: var(--ad-bg);
  letter-spacing: -0.02em;
}
.ad-cta-box p {
  position: relative;
  color: rgba(15, 20, 36, 0.78);
  font-size: 1.1rem;
  max-width: 600px;
  margin: 1rem auto 2rem;
}
.ad-cta-box .ad-btn {
  position: relative;
  background: var(--ad-bg);
  color: var(--ad-white) !important;
}
.ad-cta-box .ad-btn:hover { background: var(--ad-deep); }

/* ============== TESTIMONIOS ============== */
.ad-quote {
  background: var(--ad-bg-2);
  border: 1px solid var(--ad-line);
  border-radius: var(--ad-radius-lg);
  padding: 36px;
  height: 100%;
}
.ad-quote .stars { color: var(--ad-green); margin-bottom: 14px; }
.ad-quote blockquote {
  font-family: var(--ad-display);
  font-size: 1.15rem;
  color: var(--ad-white);
  line-height: 1.5;
  margin: 0 0 24px;
  font-weight: 500;
}
.ad-quote .who { display: flex; align-items: center; gap: 14px; }
.ad-quote .avatar {
  width: 44px; height: 44px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--ad-green), var(--ad-green-deep));
  display: inline-flex;
  align-items: center; justify-content: center;
  color: var(--ad-bg);
  font-weight: 700;
}
.ad-quote .name { font-weight: 600; color: var(--ad-white); }
.ad-quote .role { font-size: 0.85rem; color: var(--ad-grey); }

/* ============== FORM CONTACTO ============== */
.ad-form .form-label {
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ad-grey);
  margin-bottom: 8px;
  font-weight: 600;
}
.ad-form .form-control,
.ad-form .form-select {
  background: var(--ad-bg-2);
  border: 1px solid var(--ad-line);
  color: var(--ad-white);
  padding: 14px 18px;
  font-size: 1rem;
  border-radius: 12px;
  transition: all .2s;
}
.ad-form .form-control:focus,
.ad-form .form-select:focus {
  background: var(--ad-bg-2);
  color: var(--ad-white);
  border-color: var(--ad-green);
  box-shadow: 0 0 0 4px rgba(24, 210, 110, 0.15);
}
.ad-form .form-control::placeholder { color: var(--ad-grey-2); }
.ad-form textarea.form-control { min-height: 130px; resize: vertical; }

.ad-form-card {
  background: linear-gradient(160deg, var(--ad-bg-2), var(--ad-bg-3));
  border: 1px solid var(--ad-line);
  border-radius: var(--ad-radius-lg);
  padding: 44px;
}

.ad-contact-info-card {
  background: var(--ad-bg-2);
  border: 1px solid var(--ad-line);
  border-radius: var(--ad-radius);
  padding: 26px;
  margin-bottom: 16px;
  display: flex;
  gap: 18px;
  align-items: flex-start;
}
.ad-contact-info-card i {
  font-size: 1.4rem;
  color: var(--ad-green);
  flex-shrink: 0;
}
.ad-contact-info-card h6 { font-size: 1rem; margin-bottom: 4px; }
.ad-contact-info-card p { margin: 0; color: var(--ad-grey); font-size: 0.95rem; }

/* Alert */
.ad-alert {
  padding: 16px 20px;
  border-radius: 12px;
  margin-bottom: 24px;
  border: 1px solid;
  font-size: 0.95rem;
}
.ad-alert-success { background: rgba(24,210,110,0.08); border-color: rgba(24,210,110,0.35); color: var(--ad-green-3); }
.ad-alert-error   { background: rgba(220,38,38,0.08); border-color: rgba(220,38,38,0.35); color: #FCA5A5; }

/* ============== PÁGINA INTERIOR HERO ============== */
.ad-page-hero {
  padding: 180px 0 80px;
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(800px 400px at 50% 0%, rgba(24, 210, 110, 0.12), transparent 60%),
    linear-gradient(180deg, var(--ad-bg), var(--ad-bg-2));
}
.ad-page-hero h1 {
  font-size: clamp(2.4rem, 5vw, 4rem);
  margin-bottom: 1rem;
}
.ad-page-hero p {
  color: var(--ad-grey);
  font-size: 1.15rem;
  max-width: 640px;
}
.ad-breadcrumb {
  font-size: 0.85rem;
  color: var(--ad-grey-2);
  margin-bottom: 24px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.ad-breadcrumb a { color: var(--ad-grey); }
.ad-breadcrumb .sep { margin: 0 10px; color: var(--ad-green); }

/* ============== EQUIPO ============== */
.ad-team-card {
  background: var(--ad-bg-2);
  border: 1px solid var(--ad-line);
  border-radius: var(--ad-radius-lg);
  padding: 30px;
  text-align: center;
  transition: all .25s;
}
.ad-team-card:hover { border-color: rgba(24,210,110,0.35); transform: translateY(-4px); }
.ad-team-avatar {
  width: 100px; height: 100px;
  margin: 0 auto 18px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--ad-green), var(--ad-green-deep));
  display: flex;
  align-items: center; justify-content: center;
  color: var(--ad-bg);
  font-family: var(--ad-display);
  font-size: 2rem;
  font-weight: 800;
}
.ad-team-card h5 { font-size: 1.15rem; margin-bottom: 4px; }
.ad-team-card .role { color: var(--ad-green); font-size: 0.85rem; letter-spacing: 0.1em; text-transform: uppercase; }

/* ============== FOOTER ============== */
.ad-footer {
  background: var(--ad-bg);
  padding: 80px 0 30px;
  border-top: 1px solid var(--ad-line);
}
.ad-brand-footer { font-size: 1.5rem; }
.ad-footer-claim {
  color: var(--ad-grey);
  max-width: 320px;
}
.ad-footer-title {
  font-size: 0.85rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ad-white);
  margin-bottom: 20px;
}
.ad-footer-list {
  list-style: none;
  padding: 0;
  margin: 0;
}
.ad-footer-list li { margin-bottom: 10px; }
.ad-footer-list a {
  color: var(--ad-grey);
  font-size: 0.95rem;
  transition: color .2s;
}
.ad-footer-list a:hover { color: var(--ad-green); }
.ad-footer-contact li {
  display: flex;
  gap: 10px;
  align-items: center;
  color: var(--ad-grey);
  font-size: 0.95rem;
}
.ad-footer-contact i { color: var(--ad-green); }

.ad-social {
  display: flex;
  gap: 12px;
}
.ad-social a {
  width: 38px; height: 38px;
  display: inline-flex; align-items: center; justify-content: center;
  border-radius: 10px;
  background: var(--ad-bg-2);
  border: 1px solid var(--ad-line);
  color: var(--ad-soft);
  transition: all .2s;
}
.ad-social a:hover {
  background: var(--ad-green);
  color: var(--ad-bg);
  border-color: var(--ad-green);
  transform: translateY(-2px);
}

.ad-footer-bottom {
  margin-top: 50px;
  padding-top: 24px;
  border-top: 1px solid var(--ad-line);
  color: var(--ad-grey-2);
}
.ad-footer-bottom a { color: var(--ad-grey-2); }
.ad-footer-bottom a:hover { color: var(--ad-green); }

/* WhatsApp flotante */
.ad-wa-float {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 56px; height: 56px;
  background: #25D366;
  color: #fff !important;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  box-shadow: 0 12px 24px -6px rgba(37, 211, 102, 0.55);
  z-index: 1030;
  transition: transform .25s;
}
.ad-wa-float:hover { transform: scale(1.08) translateY(-2px); }

/* ============== UTILIDADES ============== */
.ad-divider {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--ad-line), transparent);
  margin: 40px 0;
}

.ad-glow-circle {
  position: absolute;
  width: 500px; height: 500px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(24, 210, 110, 0.18), transparent 60%);
  pointer-events: none;
  filter: blur(40px);
}

/* ============== RESPONSIVO ============== */
@media (max-width: 992px) {
  .ad-hero { min-height: auto; padding: 130px 0 60px; }
  .ad-hero-visual { height: 380px; margin-top: 50px; }
  .ad-hero-stats { gap: 1.5rem; }
  .ad-hero-stats .stat-num { font-size: 1.8rem; }
  .ad-section { padding: 70px 0; }
  .ad-cta-box { padding: 50px 26px; }
  .ad-form-card { padding: 28px; }
}

@media (max-width: 576px) {
  .ad-hero-stats { flex-wrap: wrap; }
  .ad-hero-stats > div { flex: 1 1 45%; }
  .ad-hero-visual { height: 320px; }
  .ad-hc-mini { width: 200px; right: 0; }
}