/* Sánchez del Rosal & Cía — sitio público MVP */
:root {
  --bg: #f5f7fa;
  --bg-elevated: #ffffff;
  --bg-muted: #e8eef5;
  --ink: #0f172a;
  --ink-muted: #475569;
  --accent: #1e3a5f;
  --accent-dark: #152a45;
  --accent-soft: #dbe7f3;
  --whatsapp: #128c7e;
  --whatsapp-dark: #075e54;
  --border: #c9d4e3;
  --focus: #1e3a5f;
  --radius: 10px;
  --radius-pill: 999px;
  --shadow: 0 1px 2px rgba(20, 36, 40, 0.06), 0 8px 24px rgba(20, 36, 40, 0.06);
  --font: "Source Sans 3", "Segoe UI", system-ui, -apple-system, sans-serif;
  --max: 1100px;
  --header-h: 4.25rem;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font);
  font-size: 1.05rem;
  line-height: 1.55;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: var(--accent);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.15em;
}

a:hover {
  color: var(--accent-dark);
}

:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 3px;
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--accent);
  color: #fff;
  padding: 0.5rem 1rem;
  z-index: 1000;
}

.skip-link:focus {
  left: 0.5rem;
  top: 0.5rem;
}

.container {
  width: min(100% - 2rem, var(--max));
  margin-inline: auto;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(246, 244, 239, 0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: var(--header-h);
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  color: var(--ink);
  text-decoration: none;
  font-weight: 700;
  letter-spacing: 0.01em;
  flex-shrink: 0;
}

.logo:hover {
  color: var(--accent-dark);
}

.logo-mark {
  width: 2.1rem;
  height: 2.1rem;
  border-radius: 6px;
  background: linear-gradient(145deg, var(--accent) 0%, var(--accent-dark) 100%);
  color: #fff;
  display: grid;
  place-items: center;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.logo-text {
  font-size: 0.95rem;
  line-height: 1.2;
}

.logo-text span {
  display: block;
  font-weight: 500;
  font-size: 0.78rem;
  color: var(--ink-muted);
}

.nav-toggle {
  display: none;
  border: 1px solid var(--border);
  background: var(--bg-elevated);
  border-radius: 8px;
  padding: 0.45rem 0.65rem;
  cursor: pointer;
  color: var(--ink);
}

.nav-toggle[aria-expanded="true"] {
  background: var(--accent-soft);
  border-color: var(--accent);
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.nav-main {
  display: flex;
  align-items: center;
  gap: 0.15rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-main a {
  color: var(--ink-muted);
  text-decoration: none;
  padding: 0.4rem 0.7rem;
  border-radius: 6px;
  font-weight: 600;
  font-size: 0.95rem;
}

.nav-main a:hover {
  color: var(--accent);
  background: var(--accent-soft);
}

.nav-main a[aria-current="page"] {
  color: var(--accent-dark);
  background: var(--accent-soft);
}

.nav-collab {
  margin-left: 0.25rem;
  padding-left: 1rem;
  border-left: 1px solid var(--border);
}

.nav-collab a,
.nav-collab span {
  display: inline-block;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--ink-muted);
  text-decoration: none;
  padding: 0.35rem 0.65rem;
  border-radius: 6px;
  border: 1px dashed var(--border);
  opacity: 0.75;
  cursor: not-allowed;
}

.nav-collab a:hover {
  color: var(--ink-muted);
  background: transparent;
}

/* Hero */
.hero {
  position: relative;
  padding: 3.5rem 0 3.25rem;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 70% 80% at 90% 10%, rgba(13, 92, 92, 0.12), transparent 55%),
    linear-gradient(180deg, var(--bg-muted) 0%, var(--bg) 100%);
  z-index: -1;
}

.hero-panel {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: calc(var(--radius) + 4px);
  box-shadow: var(--shadow);
  padding: 3rem 2rem;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero-panel::after {
  content: "";
  position: absolute;
  right: -40px;
  top: -40px;
  width: 160px;
  height: 160px;
  border: 18px solid var(--accent-soft);
  border-radius: 50%;
  opacity: 0.7;
  pointer-events: none;
}

.hero h1 {
  margin: 0 0 0.75rem;
  font-size: clamp(1.85rem, 4vw, 2.65rem);
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--ink);
}

.hero .lead {
  margin: 0 auto 1.75rem;
  max-width: 34rem;
  color: var(--ink-muted);
  font-size: 1.15rem;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.7rem 1.35rem;
  border-radius: 8px;
  font-family: inherit;
  font-weight: 650;
  font-size: 1rem;
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background 0.15s, color 0.15s, border-color 0.15s;
}

.btn-primary {
  background: var(--accent);
  color: #fff;
}

.btn-primary:hover {
  background: var(--accent-dark);
  color: #fff;
}

.btn-ghost {
  background: transparent;
  color: var(--accent);
  border-color: var(--accent);
}

.btn-ghost:hover {
  background: var(--accent-soft);
  color: var(--accent-dark);
}

.btn:disabled,
.btn[aria-disabled="true"] {
  opacity: 0.55;
  cursor: not-allowed;
  pointer-events: none;
}



/* WhatsApp contact actions */
.btn-whatsapp {
  background: var(--whatsapp);
  color: #fff;
  border-color: var(--whatsapp);
}

.btn-whatsapp:hover {
  background: var(--whatsapp-dark);
  border-color: var(--whatsapp-dark);
  color: #fff;
}

.hero-actions {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.whatsapp-float {
  position: fixed;
  right: 1.25rem;
  bottom: 1.25rem;
  z-index: 90;
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.6rem 0.8rem 0.6rem 0.6rem;
  border-radius: var(--radius-pill);
  background: var(--whatsapp);
  color: #fff;
  box-shadow: 0 5px 18px rgba(7, 94, 84, 0.24);
  font-size: 0.9rem;
  font-weight: 700;
  text-decoration: none;
}

.whatsapp-float:hover {
  background: var(--whatsapp-dark);
  color: #fff;
}

.whatsapp-mark {
  display: grid;
  place-items: center;
  width: 1.65rem;
  height: 1.65rem;
  border: 1px solid rgba(255, 255, 255, 0.65);
  border-radius: 50%;
  font-size: 0.64rem;
  letter-spacing: -0.04em;
}

.whatsapp-callout {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-top: 2rem;
  padding: 1rem 1.25rem;
  border: 1px solid rgba(18, 140, 126, 0.3);
  border-radius: var(--radius);
  background: #e6f4f1;
}

.whatsapp-callout strong,
.whatsapp-callout span {
  display: block;
}

.whatsapp-callout span {
  color: var(--ink-muted);
  font-size: 0.95rem;
}

.contact-details {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.25rem;
  max-width: 36rem;
  margin-bottom: 1.25rem;
  padding: 1.2rem 1.35rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-muted);
}

.contact-details strong,
.contact-details a,
.contact-details span {
  display: block;
}

.contact-details strong {
  margin-bottom: 0.25rem;
}

.contact-details a,
.contact-details span {
  color: var(--ink-muted);
  font-size: 0.95rem;
}

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

/* Sections */
.section {
  padding: 3rem 0;
}

.section-title {
  margin: 0 0 1.5rem;
  font-size: clamp(1.35rem, 2.5vw, 1.7rem);
  letter-spacing: -0.015em;
}

.section-muted {
  background: var(--bg-muted);
}

/* Pillars */
.pillars {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
}

.pillar {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.35rem 1.15rem;
  box-shadow: var(--shadow);
}

.pillar h3 {
  margin: 0 0 0.5rem;
  font-size: 1.1rem;
  color: var(--accent-dark);
}

.pillar p {
  margin: 0;
  color: var(--ink-muted);
  font-size: 0.95rem;
}

.pillar a {
  text-decoration: none;
  color: inherit;
  display: block;
  height: 100%;
}

.pillar a:hover h3 {
  color: var(--accent);
}

/* Steps */
.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

.step {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.9rem;
  align-items: start;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.2rem;
}

.step-num {
  width: 2.4rem;
  height: 2.4rem;
  border-radius: 8px;
  background: var(--accent);
  color: #fff;
  display: grid;
  place-items: center;
  font-weight: 700;
  font-size: 1.05rem;
}

.step h3 {
  margin: 0 0 0.35rem;
  font-size: 1.05rem;
}

.step p {
  margin: 0;
  color: var(--ink-muted);
  font-size: 0.95rem;
}

/* Audience pills */
.pills {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.pill {
  display: inline-flex;
  align-items: center;
  padding: 0.55rem 1.1rem;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-pill);
  font-weight: 600;
  color: var(--ink);
  box-shadow: 0 1px 2px rgba(20, 36, 40, 0.04);
}

/* CTA band */
.cta-band {
  background: var(--accent);
  color: #fff;
  border-radius: calc(var(--radius) + 2px);
  padding: 2rem 1.75rem;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1.25rem;
}

.cta-band h2 {
  margin: 0 0 0.35rem;
  font-size: 1.4rem;
}

.cta-band p {
  margin: 0;
  opacity: 0.9;
  max-width: 32rem;
}

.cta-band .btn-primary {
  background: #fff;
  color: var(--accent-dark);
}

.cta-band .btn-primary:hover {
  background: var(--accent-soft);
}

/* Services page */
.page-hero {
  padding: 2.5rem 0 1.5rem;
}

.page-hero h1 {
  margin: 0 0 0.5rem;
  font-size: clamp(1.75rem, 3.5vw, 2.25rem);
  letter-spacing: -0.02em;
}

.page-hero p {
  margin: 0;
  color: var(--ink-muted);
  max-width: 40rem;
}

.service-list {
  display: flex;
  flex-direction: column;
  gap: 1.15rem;
}

.service-card {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1.25rem;
  align-items: start;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem 1.35rem;
  box-shadow: var(--shadow);
}

.service-num {
  width: 2.75rem;
  height: 2.75rem;
  border-radius: 8px;
  background: var(--accent-soft);
  color: var(--accent-dark);
  display: grid;
  place-items: center;
  font-weight: 700;
  font-size: 1.1rem;
  border: 1px solid rgba(13, 92, 92, 0.2);
}

.service-card h2 {
  margin: 0 0 0.65rem;
  font-size: 1.25rem;
  color: var(--accent-dark);
}

.service-card ul {
  margin: 0;
  padding-left: 1.15rem;
  color: var(--ink-muted);
}

.service-card li {
  margin-bottom: 0.3rem;
}

.service-card li:last-child {
  margin-bottom: 0;
}

.notice-bar {
  margin-top: 2rem;
  background: var(--bg-muted);
  border: 1px dashed var(--border);
  border-radius: var(--radius);
  padding: 1rem 1.25rem;
  text-align: center;
  color: var(--ink-muted);
  font-weight: 600;
}

/* About */
.prose {
  max-width: 42rem;
}

.prose p {
  color: var(--ink-muted);
}

.team-placeholder {
  margin-top: 2rem;
  border: 1px dashed var(--border);
  border-radius: var(--radius);
  background: var(--bg-elevated);
  padding: 2rem 1.5rem;
  text-align: center;
  color: var(--ink-muted);
}

.team-placeholder strong {
  display: block;
  color: var(--ink);
  margin-bottom: 0.35rem;
}

/* Contact form */
.form-card {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.75rem;
  box-shadow: var(--shadow);
  max-width: 36rem;
}

.form-note {
  margin: 0 0 1.25rem;
  padding: 0.75rem 0.9rem;
  background: var(--accent-soft);
  border-radius: 8px;
  color: var(--accent-dark);
  font-size: 0.92rem;
}

.form-grid {
  display: grid;
  gap: 1rem;
}

.form-row {
  display: grid;
  gap: 0.35rem;
}

.form-row label {
  font-weight: 650;
  font-size: 0.92rem;
}

.form-row .hint {
  font-weight: 500;
  color: var(--ink-muted);
  font-size: 0.85rem;
}

.form-row input,
.form-row textarea {
  font: inherit;
  padding: 0.65rem 0.75rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: #fff;
  color: var(--ink);
  width: 100%;
}

.form-row input:focus,
.form-row textarea:focus {
  border-color: var(--accent);
  outline: 2px solid var(--accent-soft);
  outline-offset: 0;
}

.form-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
  margin-top: 0.5rem;
}

.placeholder-tag {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: #8a5a00;
  background: #fff3cd;
  border: 1px solid #e6d08a;
  border-radius: 4px;
  padding: 0.1rem 0.4rem;
  vertical-align: middle;
}

/* Privacy */
.legal {
  max-width: 44rem;
}

.legal h2 {
  margin-top: 1.75rem;
  font-size: 1.15rem;
}

.legal p,
.legal li {
  color: var(--ink-muted);
}

.legal .placeholder-inline {
  background: #fff3cd;
  border: 1px solid #e6d08a;
  padding: 0.05rem 0.35rem;
  border-radius: 4px;
  color: #5c4500;
  font-weight: 650;
  font-family: ui-monospace, monospace;
  font-size: 0.9em;
}

/* Footer */
.site-footer {
  margin-top: 3rem;
  border-top: 1px solid var(--border);
  background: var(--bg-muted);
  padding: 2rem 0 1.5rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr) auto;
  gap: 1.25rem;
  align-items: start;
  margin-bottom: 1.5rem;
}

.footer-item {
  display: flex;
  gap: 0.65rem;
  align-items: flex-start;
}

.footer-icon {
  width: 1.6rem;
  height: 1.6rem;
  border-radius: 5px;
  background: var(--accent);
  flex-shrink: 0;
  margin-top: 0.15rem;
}

.footer-item strong {
  display: block;
  font-size: 0.85rem;
  color: var(--ink);
}

.footer-item span,
.footer-item a {
  color: var(--ink-muted);
  font-size: 0.92rem;
  text-decoration: none;
}

.footer-legal {
  text-align: right;
}

.footer-legal a {
  font-weight: 600;
  text-decoration: none;
  color: var(--accent-dark);
}

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.75rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
  color: var(--ink-muted);
  font-size: 0.88rem;
}

/* Responsive */
@media (max-width: 860px) {
  .pillars {
    grid-template-columns: repeat(2, 1fr);
  }

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

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

  .footer-legal {
    text-align: left;
    grid-column: 1 / -1;
  }
}

@media (max-width: 720px) {
  .nav-toggle {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
  }

  .site-nav {
    display: none;
    position: absolute;
    left: 0;
    right: 0;
    top: 100%;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: var(--bg);
    border-bottom: 1px solid var(--border);
    padding: 0.75rem 1rem 1rem;
    box-shadow: var(--shadow);
  }

  .site-nav.is-open {
    display: flex;
  }

  .nav-main {
    flex-direction: column;
    align-items: stretch;
  }

  .nav-main a {
    padding: 0.7rem 0.85rem;
  }

  .nav-collab {
    margin: 0.5rem 0 0;
    padding: 0.75rem 0 0;
    border-left: none;
    border-top: 1px solid var(--border);
  }

  .header-inner {
    position: relative;
  }

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

  .service-card {
    grid-template-columns: 1fr;
  }

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

  .hero-panel {
    padding: 2.25rem 1.25rem;
  }

  .cta-band {
    flex-direction: column;
    align-items: flex-start;
  }

  .whatsapp-callout,
  .contact-details {
    align-items: flex-start;
    flex-direction: column;
  }
}