/* ===== M en D Abogados – Estilos base ===== */
:root {
  --color-bg: #F8FAFC;
  --color-surface: #FFFFFF;
  --color-primary: #0F172A;
  --color-primary-soft: #1E293B;
  --color-accent: #0D9488;
  --color-accent-hover: #0F766E;
  --color-text: #334155;
  --color-text-muted: #64748B;
  --color-border: #E2E8F0;
  --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
  --font-serif: 'Playfair Display', Georgia, serif;
  --radius: 12px;
  --shadow: 0 4px 24px rgba(15, 23, 42, 0.06);
  --shadow-lg: 0 12px 40px rgba(15, 23, 42, 0.1);
  --max-w: 1120px;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.65;
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
}

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

.container {
  width: 100%;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* ===== Header ===== */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(248, 250, 252, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.logo {
  display: flex;
  align-items: baseline;
  gap: 0.4rem;
  font-weight: 700;
}

.logo-mark {
  font-family: var(--font-serif);
  font-size: 1.4rem;
  color: var(--color-primary);
}

.logo-text {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--color-text-muted);
  letter-spacing: 0.02em;
}

.nav {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.nav-link {
  padding: 0.5rem 0.9rem;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-text-muted);
  border-radius: 8px;
  transition: color 0.2s, background 0.2s;
}

.nav-link:hover,
.nav-link.active {
  color: var(--color-primary);
  background: rgba(15, 23, 42, 0.04);
}

.nav-cta {
  background: var(--color-primary) !important;
  color: white !important;
  margin-left: 0.5rem;
}

.nav-cta:hover {
  background: var(--color-primary-soft) !important;
}

.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.menu-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-primary);
  border-radius: 2px;
  transition: 0.25s;
}

/* ===== Hero ===== */
.hero {
  padding: 5rem 0 4.5rem;
  background: linear-gradient(165deg, #0F172A 0%, #1E293B 55%, #0F766E 140%);
  color: white;
  position: relative;
  overflow: hidden;
}

.hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 80% 20%, rgba(13, 148, 136, 0.25), transparent 50%);
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 680px;
}

.hero-eyebrow {
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #5EEAD4;
  margin-bottom: 1rem;
}

.hero-title {
  font-family: var(--font-serif);
  font-size: clamp(2.1rem, 5vw, 3.2rem);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 1.25rem;
}

.hero-subtitle {
  font-size: 1.1rem;
  line-height: 1.7;
  color: #CBD5E1;
  margin-bottom: 2rem;
  max-width: 540px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.85rem 1.5rem;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: 10px;
  border: none;
  cursor: pointer;
  transition: transform 0.15s, background 0.2s, box-shadow 0.2s;
}

.btn:hover { transform: translateY(-1px); }

.btn-primary {
  background: var(--color-accent);
  color: #ffffff !important;
  box-shadow: 0 4px 14px rgba(13, 148, 136, 0.35);
}

.btn-primary:hover {
  background: var(--color-accent-hover);
  color: #ffffff !important;
}

.btn-secondary {
  background: rgba(255,255,255,0.12);
  color: #ffffff !important;
  border: 1px solid rgba(255,255,255,0.25);
}

.btn-secondary:hover {
  background: rgba(255,255,255,0.2);
  color: #ffffff !important;
}

.btn-light {
  background: white;
  color: var(--color-primary) !important;
}

.btn-light:hover {
  background: #F1F5F9;
  color: var(--color-primary) !important;
}

.btn-outline {
  background: transparent;
  color: var(--color-primary);
  border: 1.5px solid var(--color-border);
}

.btn-outline:hover {
  border-color: var(--color-primary);
  background: rgba(15, 23, 42, 0.03);
}

/* ===== Sections ===== */
.section {
  padding: 4.5rem 0;
}

.section-header {
  text-align: center;
  max-width: 560px;
  margin: 0 auto 3rem;
}

.section-header h2 {
  font-family: var(--font-serif);
  font-size: clamp(1.75rem, 3.5vw, 2.25rem);
  color: var(--color-primary);
  margin-bottom: 0.75rem;
}

.section-header p {
  color: var(--color-text-muted);
  font-size: 1.05rem;
}

/* ===== Areas grid ===== */
.areas-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.25rem;
}

.area-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.75rem 1.5rem;
  transition: transform 0.2s, box-shadow 0.2s, border-color 0.2s;
  display: flex;
  flex-direction: column;
}

.area-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: #99F6E4;
}

.area-icon {
  font-size: 1.75rem;
  margin-bottom: 1rem;
}

.area-card h3 {
  font-size: 1.15rem;
  color: var(--color-primary);
  margin-bottom: 0.6rem;
}

.area-card p {
  font-size: 0.95rem;
  color: var(--color-text-muted);
  flex-grow: 1;
  margin-bottom: 1.1rem;
}

.area-link {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-accent);
}

/* ===== How we work ===== */
.how {
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2rem;
}

.step-num {
  display: block;
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-accent);
  margin-bottom: 0.6rem;
}

.step h3 {
  font-size: 1.1rem;
  color: var(--color-primary);
  margin-bottom: 0.4rem;
}

.step p {
  font-size: 0.95rem;
  color: var(--color-text-muted);
}

/* ===== CTA band ===== */
.cta-band {
  background: var(--color-primary);
  color: white;
  padding: 3.5rem 0;
}

.cta-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  flex-wrap: wrap;
}

.cta-inner h2 {
  font-family: var(--font-serif);
  font-size: 1.75rem;
  margin-bottom: 0.4rem;
}

.cta-inner p {
  color: #94A3B8;
  font-size: 1.05rem;
}

/* ===== Page hero (inner pages) ===== */
.page-hero {
  padding: 3.5rem 0 2.5rem;
  background: var(--color-primary);
  color: white;
}

.page-hero h1 {
  font-family: var(--font-serif);
  font-size: clamp(1.9rem, 4vw, 2.6rem);
  margin-bottom: 0.75rem;
}

.page-hero p {
  color: #94A3B8;
  font-size: 1.1rem;
  max-width: 560px;
}

/* ===== Content blocks ===== */
.content-section {
  padding: 3.5rem 0;
}

.content-block {
  max-width: 720px;
}

.content-block h2 {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  color: var(--color-primary);
  margin: 2rem 0 0.75rem;
}

.content-block h2:first-child { margin-top: 0; }

.content-block p {
  margin-bottom: 1rem;
}

.content-block ul {
  margin: 1rem 0 1.5rem;
  padding-left: 0;
}

.content-block li {
  position: relative;
  padding-left: 1.4rem;
  margin-bottom: 0.55rem;
  color: var(--color-text);
}

.content-block li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--color-accent);
}

/* ===== Contact form ===== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: start;
}

.contact-info h3 {
  font-size: 1.1rem;
  color: var(--color-primary);
  margin-bottom: 0.5rem;
}

.contact-info p, .contact-info a {
  color: var(--color-text-muted);
  margin-bottom: 1.25rem;
  display: block;
}

.contact-info a:hover { color: var(--color-accent); }

.form-group {
  margin-bottom: 1.15rem;
}

.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 0.35rem;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  font-family: inherit;
  font-size: 0.95rem;
  border: 1.5px solid var(--color-border);
  border-radius: 8px;
  background: white;
  transition: border-color 0.2s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-accent);
}

.form-group textarea { min-height: 120px; resize: vertical; }

.form-note {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  margin-top: 0.75rem;
}

/* ===== Footer ===== */
.footer {
  background: var(--color-primary);
  color: #94A3B8;
  padding: 3.5rem 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 2rem;
  padding-bottom: 2.5rem;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.footer-brand .logo-mark { color: white; }
.footer-brand .logo-text { color: #64748B; }
.footer-brand p {
  margin-top: 0.85rem;
  font-size: 0.9rem;
  max-width: 260px;
}

.footer-col h4 {
  color: white;
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-bottom: 1rem;
}

.footer-col a {
  display: block;
  font-size: 0.9rem;
  margin-bottom: 0.5rem;
  transition: color 0.15s;
}

.footer-col a:hover { color: #5EEAD4; }
.footer-col a.disabled { opacity: 0.5; pointer-events: none; }

.footer-address {
  font-size: 0.9rem;
  margin-top: 0.5rem;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  padding: 1.25rem 1.5rem;
  font-size: 0.85rem;
}

.footer-legal {
  display: flex;
  gap: 1.5rem;
}

.footer-legal a:hover { color: #5EEAD4; }

/* ===== WhatsApp float ===== */
.whatsapp-float {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  width: 56px;
  height: 56px;
  background: #25D366;
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(37, 211, 102, 0.45);
  z-index: 99;
  transition: transform 0.2s, box-shadow 0.2s;
}

.whatsapp-float:hover {
  transform: scale(1.08);
  box-shadow: 0 6px 28px rgba(37, 211, 102, 0.55);
}

/* ===== Responsive ===== */
@media (max-width: 860px) {
  .nav {
    display: none;
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    background: white;
    flex-direction: column;
    padding: 1rem;
    border-bottom: 1px solid var(--color-border);
    box-shadow: var(--shadow);
  }

  .nav.open { display: flex; }

  .nav-link { width: 100%; padding: 0.85rem 1rem; }
  .nav-cta { margin-left: 0; margin-top: 0.5rem; text-align: center; }

  .menu-toggle { display: flex; }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }

  .contact-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 520px) {
  .hero { padding: 3.5rem 0 3rem; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; text-align: center; }
}