/* ============================================
   Consultores del Sur — Rediseño minimalista
   ============================================ */

:root {
  --color-primary: #0A2540;       /* Azul oscuro corporativo */
  --color-primary-2: #103A6B;
  --color-accent: #0066FF;        /* Azul vibrante */
  --color-accent-2: #4F8BFF;
  --color-success: #10B981;
  --color-bg: #FFFFFF;
  --color-bg-soft: #F6F9FC;
  --color-bg-darker: #EEF3F8;
  --color-text: #1A1F36;
  --color-text-soft: #4F5B76;
  --color-border: #E3E8EF;
  --color-white: #FFFFFF;

  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;
  --radius-xl: 32px;

  --shadow-sm: 0 1px 2px rgba(10, 37, 64, 0.05);
  --shadow-md: 0 8px 24px rgba(10, 37, 64, 0.08);
  --shadow-lg: 0 24px 60px rgba(10, 37, 64, 0.12);

  --container: 1200px;
  --transition: 0.3s cubic-bezier(.4,0,.2,1);
}

/* ============ RESET ============ */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; transition: var(--transition); }
ul { margin: 0; padding: 0; list-style: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }

.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

/* ============ TYPOGRAPHY ============ */
h1, h2, h3, h4, h5 {
  margin: 0 0 0.5em;
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--color-primary);
}
h1 { font-size: clamp(2.2rem, 5vw, 3.6rem); font-weight: 800; }
h2 { font-size: clamp(1.8rem, 3.5vw, 2.6rem); }
h3 { font-size: 1.3rem; }
h4 { font-size: 1.05rem; }
p  { margin: 0 0 1em; color: var(--color-text-soft); }

.eyebrow {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 16px;
}
.highlight {
  background: linear-gradient(120deg, transparent 0%, transparent 60%, rgba(0,102,255,0.18) 60%, rgba(0,102,255,0.18) 95%, transparent 95%);
  padding: 0 4px;
}

/* ============ BUTTONS ============ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 26px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  transition: var(--transition);
  cursor: pointer;
  border: 1.5px solid transparent;
  white-space: nowrap;
}
.btn-primary {
  background: var(--color-primary);
  color: var(--color-white);
}
.btn-primary:hover {
  background: var(--color-accent);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}
.btn-ghost {
  background: transparent;
  color: var(--color-primary);
  border-color: var(--color-border);
}
.btn-ghost:hover {
  border-color: var(--color-primary);
  background: var(--color-bg-soft);
}
.btn-light {
  background: var(--color-white);
  color: var(--color-primary);
}
.btn-light:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}
.btn-sm { padding: 10px 18px; font-size: 0.85rem; }
.btn-full { width: 100%; }

/* ============ HEADER ============ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid transparent;
  transition: var(--transition);
}
.site-header.scrolled {
  border-bottom-color: var(--color-border);
  box-shadow: var(--shadow-sm);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
  gap: 24px;
}
.logo img { height: 38px; }
.nav-desktop ul {
  display: flex;
  gap: 32px;
}
.nav-desktop a {
  font-weight: 500;
  font-size: 0.95rem;
  color: var(--color-text);
  position: relative;
}
.nav-desktop a:hover { color: var(--color-accent); }
.nav-desktop a::after {
  content: '';
  position: absolute;
  bottom: -6px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-accent);
  transition: width var(--transition);
}
.nav-desktop a:hover::after { width: 100%; }

.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
}
.menu-toggle span {
  width: 24px;
  height: 2px;
  background: var(--color-primary);
  transition: var(--transition);
}
.menu-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.menu-toggle.open span:nth-child(2) { opacity: 0; }
.menu-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.nav-mobile {
  display: none;
  flex-direction: column;
  gap: 16px;
  padding: 24px;
  background: var(--color-white);
  border-top: 1px solid var(--color-border);
}
.nav-mobile.open { display: flex; }
.nav-mobile a { font-weight: 500; padding: 8px 0; }

/* ============ HERO ============ */
.hero {
  padding: 80px 0 60px;
  background: linear-gradient(180deg, var(--color-bg-soft) 0%, var(--color-bg) 100%);
  overflow: hidden;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 80px;
  align-items: center;
}
.hero-text h1 { margin-bottom: 24px; }
.hero-sub {
  font-size: 1.15rem;
  margin-bottom: 36px;
  max-width: 540px;
}
.hero-ctas {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 48px;
}
.hero-meta {
  display: flex;
  gap: 40px;
  padding-top: 32px;
  border-top: 1px solid var(--color-border);
}
.hero-meta > div {
  display: flex;
  flex-direction: column;
}
.hero-meta strong {
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--color-primary);
  letter-spacing: -0.02em;
}
.hero-meta span {
  font-size: 0.85rem;
  color: var(--color-text-soft);
}

.hero-visual {
  position: relative;
}
.hero-visual > img {
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}
.floating-card {
  position: absolute;
  background: var(--color-white);
  border-radius: var(--radius-md);
  padding: 14px 20px;
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: 10px;
  animation: float 4s ease-in-out infinite;
}
.floating-card.card-1 {
  top: 30px;
  left: -30px;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-primary);
}
.floating-card.card-2 {
  bottom: 40px;
  right: -20px;
  flex-direction: column;
  align-items: flex-start;
  gap: 2px;
  animation-delay: 1.5s;
}
.floating-card .big {
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--color-accent);
}
.floating-card small {
  font-size: 0.8rem;
  color: var(--color-text-soft);
}
.dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}
.dot.green {
  background: var(--color-success);
  box-shadow: 0 0 0 4px rgba(16, 185, 129, 0.2);
}
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

/* Partners strip */
.partners {
  margin-top: 80px;
  text-align: center;
}
.partners-label {
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-text-soft);
  margin-bottom: 28px;
}
.partners-logos {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 48px;
  flex-wrap: wrap;
}
.partners-logos img {
  height: 48px;
  opacity: 0.65;
  filter: grayscale(20%);
  transition: var(--transition);
}
.partners-logos img:hover {
  opacity: 1;
  filter: grayscale(0);
}

/* ============ VALUES ============ */
.values { padding: 80px 0; }
.values-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.value-card {
  background: var(--color-bg-soft);
  border-radius: var(--radius-md);
  padding: 32px 24px;
  transition: var(--transition);
  border: 1px solid transparent;
}
.value-card:hover {
  transform: translateY(-4px);
  background: var(--color-white);
  border-color: var(--color-border);
  box-shadow: var(--shadow-md);
}
.value-card img {
  width: 56px;
  height: 56px;
  margin-bottom: 18px;
  object-fit: contain;
}
.value-card h3 { font-size: 1.1rem; margin-bottom: 8px; }
.value-card p { font-size: 0.92rem; margin: 0; }

/* ============ SECTION HEAD ============ */
.section-head {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 56px;
}
.section-head h2 { margin-bottom: 16px; }
.section-head p { font-size: 1.1rem; }

/* ============ SERVICES ============ */
.services {
  padding: 100px 0;
  background: var(--color-bg-soft);
}
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.service-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: 36px 32px;
  border: 1px solid var(--color-border);
  transition: var(--transition);
  position: relative;
  display: flex;
  flex-direction: column;
}
.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-accent-2);
}
.service-card.featured {
  background: linear-gradient(160deg, var(--color-primary) 0%, var(--color-primary-2) 100%);
  color: var(--color-white);
  border: none;
}
.service-card.featured h3,
.service-card.featured p,
.service-card.featured li { color: var(--color-white); }
.service-card.featured .service-link { color: var(--color-accent-2); }
.service-card.featured .service-icon {
  background: rgba(255, 255, 255, 0.1);
}
.service-icon {
  width: 64px;
  height: 64px;
  border-radius: var(--radius-md);
  background: var(--color-bg-soft);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}
.service-icon img {
  width: 36px;
  height: 36px;
  object-fit: contain;
}
.service-card h3 { margin-bottom: 12px; }
.service-card p { flex-grow: 0; margin-bottom: 20px; }
.service-card ul {
  margin-bottom: 24px;
  flex-grow: 1;
}
.service-card li {
  padding: 6px 0;
  font-size: 0.92rem;
  color: var(--color-text-soft);
  position: relative;
  padding-left: 22px;
}
.service-card li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--color-accent);
  font-weight: 700;
}
.service-card.featured li::before { color: var(--color-accent-2); }
.service-link {
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--color-accent);
}
.service-link:hover { letter-spacing: 0.02em; }
.badge {
  position: absolute;
  top: 20px;
  right: 20px;
  background: var(--color-accent);
  color: var(--color-white);
  padding: 4px 12px;
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

/* ============ ABOUT ============ */
.about { padding: 100px 0; }
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 80px;
  align-items: center;
}
.about-visual {
  position: relative;
}
.about-visual img {
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}
.about-badge {
  position: absolute;
  bottom: -24px;
  right: -24px;
  background: var(--color-primary);
  color: var(--color-white);
  padding: 24px 32px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
}
.about-badge .big {
  display: block;
  font-size: 2.2rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1;
}
.about-badge small {
  font-size: 0.82rem;
  opacity: 0.85;
}
.about-text h2 { margin-bottom: 20px; }
.about-points {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-top: 32px;
}
.about-points h4 {
  margin-bottom: 6px;
  color: var(--color-primary);
}
.about-points p {
  font-size: 0.92rem;
  margin: 0;
}

/* ============ CASES ============ */
.cases {
  padding: 100px 0;
  background: var(--color-bg-soft);
}
.cases-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}
.case-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: 36px;
  border: 1px solid var(--color-border);
  transition: var(--transition);
}
.case-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}
.case-header {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 24px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--color-border);
}
.case-header img {
  width: 60px;
  height: 60px;
  border-radius: var(--radius-sm);
  object-fit: contain;
  background: var(--color-bg-soft);
  padding: 8px;
}
.case-header h3 { margin: 0 0 4px; font-size: 1.1rem; }
.case-tag {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--color-accent);
  letter-spacing: 0.04em;
}
.case-body { display: grid; gap: 14px; }
.case-row {
  display: grid;
  grid-template-columns: 110px 1fr;
  gap: 12px;
  font-size: 0.92rem;
}
.case-row strong {
  color: var(--color-primary);
  font-weight: 600;
}
.case-row span { color: var(--color-text-soft); }
.case-row.result {
  background: linear-gradient(90deg, rgba(16, 185, 129, 0.08), transparent);
  padding: 12px;
  border-radius: var(--radius-sm);
  margin: 4px -12px 0;
}
.case-row.result strong { color: var(--color-success); }
.case-row.result span { color: var(--color-text); font-weight: 500; }

/* ============ CTA BANNER ============ */
.cta-banner {
  padding: 60px 0;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
}
.cta-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
  flex-wrap: wrap;
}
.cta-inner h2 { color: var(--color-white); margin-bottom: 8px; }
.cta-inner p { color: rgba(255, 255, 255, 0.9); margin: 0; font-size: 1.1rem; }

/* ============ CONTACT ============ */
.contact {
  padding: 100px 0;
}
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 64px;
  align-items: start;
}
.contact-text h2 { margin-bottom: 16px; }
.contact-info {
  margin: 32px 0;
  display: grid;
  gap: 14px;
}
.contact-info li {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.95rem;
  color: var(--color-text);
}
.contact-info span { font-size: 1.2rem; }

.contact-socials a {
  display: inline-block;
  padding: 8px 18px;
  border: 1.5px solid var(--color-border);
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.9rem;
}
.contact-socials a:hover {
  border-color: var(--color-success);
  color: var(--color-success);
}

.contact-form {
  background: var(--color-bg-soft);
  padding: 40px;
  border-radius: var(--radius-lg);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}
.form-row { display: flex; flex-direction: column; gap: 6px; }
.form-row.full { grid-column: 1 / -1; }
.form-row label {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--color-primary);
}
.form-row input,
.form-row select,
.form-row textarea {
  padding: 12px 14px;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-white);
  font-family: inherit;
  font-size: 0.95rem;
  transition: var(--transition);
  color: var(--color-text);
}
.form-row input:focus,
.form-row select:focus,
.form-row textarea:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 4px rgba(0, 102, 255, 0.1);
}
.form-row textarea { resize: vertical; }
.form-row.check label {
  display: flex;
  gap: 10px;
  align-items: center;
  font-size: 0.85rem;
  color: var(--color-text-soft);
  font-weight: 400;
}
.form-row.check a { color: var(--color-accent); text-decoration: underline; }
.form-note {
  grid-column: 1 / -1;
  font-size: 0.75rem;
  color: var(--color-text-soft);
  margin: 0;
  line-height: 1.5;
}

/* ============ FOOTER ============ */
.site-footer {
  background: var(--color-primary);
  color: rgba(255, 255, 255, 0.75);
  padding: 80px 0 30px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}
.footer-logo { height: 42px; margin-bottom: 18px; }
.footer-tag {
  font-style: italic;
  color: rgba(255, 255, 255, 0.6);
  max-width: 280px;
  margin: 0;
}
.site-footer h5 {
  color: var(--color-white);
  font-size: 0.95rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-bottom: 18px;
}
.site-footer ul li {
  padding: 4px 0;
  font-size: 0.92rem;
}
.site-footer a:hover { color: var(--color-white); }
.footer-bottom {
  padding-top: 30px;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 14px;
  font-size: 0.85rem;
}
.footer-bottom a { text-decoration: underline; text-underline-offset: 4px; }

/* ============ WHATSAPP FLOAT ============ */
.whatsapp-float {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 56px;
  height: 56px;
  background: #25D366;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 20px rgba(37, 211, 102, 0.4);
  z-index: 50;
  transition: var(--transition);
  animation: pulse 2.5s ease-out infinite;
}
.whatsapp-float:hover {
  transform: scale(1.1) rotate(-6deg);
}
@keyframes pulse {
  0% { box-shadow: 0 8px 20px rgba(37, 211, 102, 0.4), 0 0 0 0 rgba(37, 211, 102, 0.5); }
  70% { box-shadow: 0 8px 20px rgba(37, 211, 102, 0.4), 0 0 0 18px rgba(37, 211, 102, 0); }
  100% { box-shadow: 0 8px 20px rgba(37, 211, 102, 0.4), 0 0 0 0 rgba(37, 211, 102, 0); }
}

/* ============ COOKIE BANNER ============ */
.cookie-banner {
  position: fixed;
  bottom: 20px;
  left: 20px;
  right: 20px;
  max-width: 520px;
  background: var(--color-white);
  border-radius: var(--radius-md);
  padding: 20px 24px;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--color-border);
  display: none;
  z-index: 60;
}
.cookie-banner.show { display: block; }
.cookie-banner p {
  font-size: 0.88rem;
  margin: 0 0 12px;
  color: var(--color-text);
}
.cookie-banner a { color: var(--color-accent); text-decoration: underline; }
.cookie-actions {
  display: flex;
  gap: 10px;
  justify-content: flex-end;
}

/* ============ REVEAL ANIMATIONS ============ */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease-out, transform 0.7s ease-out;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ============ RESPONSIVE ============ */
@media (max-width: 1024px) {
  .hero-grid,
  .about-grid,
  .contact-grid { grid-template-columns: 1fr; gap: 60px; }
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .values-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .floating-card.card-1 { left: 0; }
  .floating-card.card-2 { right: 0; }
}

@media (max-width: 720px) {
  .nav-desktop, .nav-cta { display: none; }
  .menu-toggle { display: flex; }
  .hero { padding: 50px 0 40px; }
  .hero-meta { gap: 24px; flex-wrap: wrap; }
  .hero-meta strong { font-size: 1.4rem; }
  .services, .about, .cases, .contact { padding: 70px 0; }
  .services-grid,
  .cases-grid { grid-template-columns: 1fr; }
  .contact-form { grid-template-columns: 1fr; padding: 28px; }
  .about-points { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .cta-inner { text-align: center; justify-content: center; }
  .partners-logos { gap: 28px; }
  .partners-logos img { height: 36px; }
  .about-badge {
    bottom: -16px;
    right: 16px;
    padding: 18px 22px;
  }
  .floating-card.card-1 { top: 16px; left: 16px; }
  .floating-card.card-2 { bottom: 16px; right: 16px; }
}

@media (max-width: 480px) {
  .container { padding: 0 18px; }
  h1 { font-size: 2rem; }
  .hero-ctas { flex-direction: column; align-items: stretch; }
  .hero-ctas .btn { width: 100%; }
  .case-row { grid-template-columns: 1fr; gap: 4px; }
  .case-row.result { margin: 4px 0 0; }
}

/* ============ LEGAL PAGES ============ */
.legal-page {
  padding: 64px 0 96px;
  background: linear-gradient(180deg, var(--color-bg-soft) 0%, var(--color-bg) 260px);
}
.legal-inner { max-width: 820px; margin: 0 auto; }
.legal-back {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 28px;
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--color-accent);
}
.legal-back:hover { letter-spacing: 0.02em; }
.legal-page h1 {
  font-size: clamp(2rem, 4vw, 2.8rem);
  margin-bottom: 14px;
}
.legal-lead { font-size: 1.1rem; margin-bottom: 8px; }
.legal-page h2 {
  font-size: 1.25rem;
  margin-top: 40px;
  margin-bottom: 12px;
  padding-top: 28px;
  border-top: 1px solid var(--color-border);
}
.legal-page p { margin: 0 0 14px; }
.legal-page strong { color: var(--color-primary); font-weight: 600; }
.legal-page ul {
  margin: 0 0 14px;
  display: grid;
  gap: 10px;
}
.legal-page li {
  position: relative;
  padding-left: 24px;
  color: var(--color-text-soft);
}
.legal-page li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--color-accent);
  font-weight: 700;
}