/* =========================================================
  Freyapps — styles.css (FULL)
  Dark premium para PYMEs (inmobiliarias, clínicas, despachos)
  - Paleta sobria y consistente con logo
  - UI moderna (adiós “Windows 98”)
  - Responsive + microinteracciones sutiles
========================================================= */

/* ========== Variables ========== */
:root {
  /* Base */
  --bg-main: #0E0F13;        /* Fondo principal (charcoal real) */
  --bg-panel: #151720;       /* Secciones oscuras */
  --bg-panel-soft: #1B1E2A;  /* Hover / paneles suaves */

  /* Texto */
  --text-main: #F1F1F1;
  --text-secondary: #B8BCC6;
  --text-muted: #8A8F9C;

  /* Marca */
  --brand-red: #D72638;      /* Rojo Freyapps (CTA / foco) */
  --brand-violet: #5B5BD6;   /* Secundario sutil */

  /* UI */
  --border-subtle: rgba(255,255,255,0.08);
  --border-strong: rgba(255,255,255,0.14);
  --shadow-soft: 0 18px 45px rgba(0,0,0,0.45);

  --radius-xl: 20px;
  --radius-lg: 18px;
  --radius-md: 12px;

  --container: 1120px;
}

/* ========== Reset + Base ========== */
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  background: radial-gradient(900px 500px at 10% 0%, rgba(91,91,214,0.14), transparent 55%),
              radial-gradient(800px 500px at 90% 12%, rgba(215,38,56,0.10), transparent 58%),
              var(--bg-main);
  color: var(--text-main);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
strong { color: var(--text-main); }

.container {
  width: min(var(--container), calc(100% - 2rem));
  margin: 0 auto;
}

/* Accesibilidad: focus visible */
:focus-visible {
  outline: none;
  box-shadow: 0 0 0 4px rgba(215, 38, 56, 0.18);
  border-radius: 12px;
}

/* ========== Header / Nav ========== */
.header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(14, 15, 19, 0.72);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-subtle);
}

.header-inner {
  height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

/* Logo */
.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.logo img {
  width: 44px;
  height: 44px;
  border-radius: 14px;
  border: 1px solid var(--border-subtle);
  background: rgba(255,255,255,0.03);
}

.logo span {
  font-size: 1.02rem;
}

/* Nav */
.nav {
  display: none;
  align-items: center;
  gap: 6px;
}

.nav a {
  color: var(--text-secondary);
  padding: 10px 12px;
  border-radius: 12px;
  transition: background 0.2s ease, color 0.2s ease, transform 0.2s ease;
}

.nav a:hover {
  background: rgba(255,255,255,0.04);
  color: var(--text-main);
  transform: translateY(-1px);
}

@media (min-width: 860px) {
  .nav { display: flex; }
}

/* ========== Buttons ========== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 20px;
  border-radius: var(--radius-md);
  font-weight: 600;
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease, border-color 0.2s ease, color 0.2s ease;
  user-select: none;
}

.btn-primary {
  background: var(--brand-red);
  color: #fff;
  box-shadow: 0 12px 30px rgba(215, 38, 56, 0.22);
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 18px 40px rgba(215, 38, 56, 0.30);
}

.btn-secondary {
  background: rgba(255,255,255,0.02);
  color: var(--text-main);
  border-color: var(--border-subtle);
}

.btn-secondary:hover {
  background: rgba(255,255,255,0.05);
  border-color: var(--border-strong);
  transform: translateY(-1px);
}

/* ========== Hero ========== */
.hero {
  padding: 110px 0 90px;
}

.hero-content {
  max-width: 760px;
}

.hero h1 {
  margin: 0;
  font-size: clamp(2.2rem, 4vw, 3.4rem);
  font-weight: 750;
  letter-spacing: -0.03em;
  line-height: 1.12;
  color: var(--text-main);
}

.hero-highlight {
  color: var(--text-secondary);
  font-weight: 600;
}

.hero-subtitle {
  margin-top: 18px;
  font-size: 1.08rem;
  color: var(--text-secondary);
  max-width: 62ch;
}

.hero-positioning {
  margin-top: 14px;
  font-size: 0.96rem;
  color: var(--text-muted);
}

/* CTA row */
.hero-actions {
  margin-top: 26px;
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

/* Trust list */
.hero-trust {
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
  color: var(--text-secondary);
  display: grid;
  gap: 10px;
  max-width: 560px;
}

.hero-trust li {
  padding: 12px 14px;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  background: rgba(255,255,255,0.03);
  box-shadow: 0 10px 30px rgba(0,0,0,0.25);
  transition: transform 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}

.hero-trust li:hover {
  transform: translateY(-1px);
  background: rgba(255,255,255,0.05);
  border-color: var(--border-strong);
}

/* ========== Sections ========== */
.section {
  padding: 86px 0;
}

.section h2 {
  margin: 0 0 10px;
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  letter-spacing: -0.02em;
}

.section-intro {
  margin: 0 0 26px;
  color: var(--text-secondary);
  max-width: 76ch;
}

.section-dark {
  background: rgba(255,255,255,0.02);
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
}

/* ========== Grids ========== */
.cases-grid {
  display: grid;
  gap: 16px;
  grid-template-columns: 1fr;
}

@media (min-width: 700px) {
  .cases-grid { grid-template-columns: repeat(2, 1fr); }
}

/* ========== Service featured ========== */
.service-featured {
  position: relative;
  background: rgba(215, 38, 56, 0.07);
  border: 1px solid rgba(215, 38, 56, 0.28);
  border-radius: var(--radius-xl);
  padding: 28px 28px 24px;
  box-shadow: 0 18px 45px rgba(215, 38, 56, 0.10);
  margin-bottom: 10px;
  transition: transform 0.2s ease, background 0.2s ease;
}

.service-featured:hover {
  transform: translateY(-2px);
  background: rgba(215, 38, 56, 0.10);
}

.service-featured__badge {
  display: inline-block;
  margin-bottom: 12px;
  padding: 4px 12px;
  border-radius: 999px;
  border: 1px solid rgba(215, 38, 56, 0.40);
  background: rgba(215, 38, 56, 0.12);
  color: var(--brand-red);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.service-featured h3 {
  margin: 0 0 10px;
  font-size: 1.28rem;
  letter-spacing: -0.02em;
}

.service-featured p {
  margin: 0 0 14px;
  color: var(--text-secondary);
}

.service-featured ul {
  margin: 0;
  padding-left: 18px;
  color: var(--text-secondary);
}

.service-featured li {
  margin: 6px 0;
}

/* ========== Dev group ========== */
.dev-group-label {
  margin: 28px 0 14px;
  font-size: 0.82rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.10em;
  font-weight: 500;
}

.services-dev-grid {
  display: grid;
  gap: 16px;
  grid-template-columns: 1fr;
}

@media (min-width: 700px) {
  .services-dev-grid { grid-template-columns: repeat(3, 1fr); }
}

/* ========== Cards ========== */
.service-card,
.case-card {
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: 22px;
  box-shadow: var(--shadow-soft);
  transition: transform 0.2s ease, background 0.2s ease, border-color 0.2s ease;
}

.service-card:hover,
.case-card:hover {
  transform: translateY(-2px);
  background: rgba(255,255,255,0.05);
  border-color: var(--border-strong);
}

.service-card h3 {
  margin: 0 0 10px;
  font-size: 1.12rem;
  letter-spacing: -0.01em;
}

.service-card p,
.case-card p {
  margin: 0 0 12px;
  color: var(--text-secondary);
}

.service-card ul {
  margin: 0;
  padding-left: 18px;
  color: var(--text-secondary);
}

.service-card li {
  margin: 6px 0;
}

/* ========== Method steps ========== */
.steps {
  margin: 26px 0 0;
  padding-left: 18px;
  color: var(--text-secondary);
  display: grid;
  gap: 10px;
}

.steps li {
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 16px;
}

.steps h4 {
  margin: 0 0 6px;
  color: var(--text-main);
  font-size: 1rem;
}

.method-note {
  margin-top: 18px;
  color: var(--text-muted);
}

/* ========== Contact ========== */
.contact-grid {
  display: grid;
  gap: 24px;
  grid-template-columns: 1fr;
  align-items: start;
}

@media (min-width: 920px) {
  .contact-grid { grid-template-columns: 1fr 1fr; }
}

.contact-text p {
  margin-top: 10px;
  color: var(--text-secondary);
  max-width: 60ch;
}

/* Form */
.contact-form {
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: 22px;
  box-shadow: var(--shadow-soft);
}

.contact-form label {
  display: grid;
  gap: 8px;
  margin-bottom: 14px;
  color: var(--text-secondary);
  font-size: 0.95rem;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 12px 12px;
  border-radius: var(--radius-md);
  border: 1px solid rgba(255,255,255,0.12);
  background: rgba(0,0,0,0.25);
  color: var(--text-main);
  outline: none;
  transition: border-color 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.contact-form input::placeholder,
.contact-form textarea::placeholder {
  color: rgba(184, 188, 198, 0.55);
}

.contact-form input:focus,
.contact-form textarea:focus {
  border-color: rgba(215, 38, 56, 0.55);
  box-shadow: 0 0 0 4px rgba(215, 38, 56, 0.18);
  background: rgba(0,0,0,0.30);
}

.contact-form button {
  width: 100%;
  margin-top: 6px;
}

/* Form note */
.form-note {
  display: block;
  margin-top: 12px;
  color: var(--text-muted);
  font-size: 0.85rem;
}

/* ========== Footer ========== */
.footer {
  padding: 34px 0;
  border-top: 1px solid var(--border-subtle);
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  color: var(--text-secondary);
}

.footer-links {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.footer-links a {
  color: var(--text-secondary);
  padding: 8px 10px;
  border-radius: 10px;
  transition: background 0.2s ease, color 0.2s ease;
}

.footer-links a:hover {
  background: rgba(255,255,255,0.04);
  color: var(--text-main);
}

.footer-bottom {
  margin-top: 14px;
  color: var(--text-muted);
  font-size: 0.9rem;
  text-align: center;
}

@media (max-width: 700px) {
  .footer-inner {
    justify-content: center;
    text-align: center;
  }
  .footer-links {
    justify-content: center;
  }
}

/* ========== Small screen tweaks ========== */
@media (max-width: 520px) {
  .hero {
    padding: 88px 0 70px;
  }
  .btn {
    width: 100%;
  }
  .hero-actions {
    gap: 10px;
  }
}

/* ===== Modal casos ===== */
.modal {
  position: fixed;
  inset: 0;
  display: none;
  z-index: 100;
}

.modal.is-open { display: block; }

.modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.6);
  backdrop-filter: blur(6px);
}

.modal-panel {
  position: relative;
  width: min(980px, calc(100% - 2rem));
  margin: 7vh auto;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  background: rgba(21, 23, 32, 0.92);
  box-shadow: var(--shadow-soft);
  overflow: hidden;
  transform: translateY(8px);
  animation: modalIn .18s ease-out forwards;
}

@keyframes modalIn {
  to { transform: translateY(0); }
}

.modal-close {
  position: absolute;
  top: 14px;
  right: 14px;
  width: 42px;
  height: 42px;
  border-radius: 14px;
  border: 1px solid var(--border-subtle);
  background: rgba(255,255,255,0.04);
  color: var(--text-main);
  cursor: pointer;
}

.modal-content {
  display: grid;
  grid-template-columns: 1fr;
}

@media (min-width: 900px) {
  .modal-content { grid-template-columns: 1.1fr 1.4fr; }
}

.modal-media {
  min-height: 260px;
  background: radial-gradient(500px 300px at 30% 30%, rgba(215,38,56,0.18), transparent 60%),
              radial-gradient(400px 240px at 70% 30%, rgba(91,91,214,0.18), transparent 60%),
              rgba(255,255,255,0.02);
  border-bottom: 1px solid var(--border-subtle);
}

@media (min-width: 900px) {
  .modal-media {
    border-bottom: none;
    border-right: 1px solid var(--border-subtle);
    min-height: 420px;
  }
}

.modal-media.has-image {
  background-size: cover;
  background-position: center;
}

.modal-body {
  padding: 22px;
}

.modal-body h3 {
  margin: 0 0 8px;
  letter-spacing: -0.02em;
}

.modal-body .muted { color: var(--text-secondary); }

.modal-list {
  margin: 16px 0 0;
  padding-left: 18px;
  color: var(--text-secondary);
  display: grid;
  gap: 8px;
}

.modal-actions {
  margin-top: 18px;
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

/* ===== WhatsApp float (clean, premium) ===== */
.wa-float{
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 120;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  border-radius: 999px;
  background: #16a34a;
  color: #fff;
  border: 1px solid rgba(255,255,255,0.12);
  box-shadow: 0 16px 40px rgba(0,0,0,0.35);
  transition: transform .18s ease, box-shadow .18s ease;
  -webkit-font-smoothing: antialiased;
}

.wa-float:hover{
  transform: translateY(-2px);
  box-shadow: 0 20px 55px rgba(0,0,0,0.42);
}

.wa-icon{
  width: 28px;
  height: 28px;
  display: grid;
  place-items: center;
  flex: 0 0 28px;
}

.wa-svg{
  width: 22px;
  height: 22px;
  display: block;
  /* Nada de filter/transform aquí */
}

.wa-text{
  font-weight: 700;
  font-size: 0.95rem;
  letter-spacing: -0.01em;
}

@media (max-width: 520px){
  .wa-text{ display: none; }
  .wa-float{ padding: 12px; }
}

/* Más aire en textos */
.section h2 { margin-bottom: 12px; }
.service-card p { margin-bottom: 14px; }

/* Cards compactas en desktop */
@media (min-width: 700px) {
  .service-card, .case-card { padding: 20px; }
}

/* ===== Case Modal (conflict-proof) ===== */
.case-modal {
  position: fixed;
  inset: 0;
  z-index: 999;
  display: none;
}

.case-modal.is-open { display: block; }

.case-modal__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.62);
  backdrop-filter: blur(6px);
}

.case-modal__panel {
  position: relative;
  width: min(980px, calc(100% - 2rem));
  margin: 8vh auto;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  background: rgba(21, 23, 32, 0.94);
  box-shadow: var(--shadow-soft);
  overflow: hidden;
  transform: translateY(10px);
  animation: caseModalIn .18s ease-out forwards;
}

@keyframes caseModalIn { to { transform: translateY(0); } }

.case-modal__close {
  position: absolute;
  top: 14px;
  right: 14px;
  width: 42px;
  height: 42px;
  border-radius: 14px;
  border: 1px solid var(--border-subtle);
  background: rgba(255,255,255,0.04);
  color: var(--text-main);
  cursor: pointer;
}

.case-modal__grid {
  display: grid;
  grid-template-columns: 1fr;
}

@media (min-width: 900px) {
  .case-modal__grid { grid-template-columns: 1.1fr 1.4fr; }
}

.case-modal__media {
  min-height: 240px;
  background:
    radial-gradient(520px 320px at 30% 30%, rgba(215,38,56,0.20), transparent 60%),
    radial-gradient(420px 260px at 70% 30%, rgba(91,91,214,0.18), transparent 60%),
    rgba(255,255,255,0.02);
  border-bottom: 1px solid var(--border-subtle);
}

@media (min-width: 900px) {
  .case-modal__media {
    border-bottom: none;
    border-right: 1px solid var(--border-subtle);
    min-height: 420px;
  }
}

.case-modal__media.has-image {
  background-size: cover;
  background-position: center;
}

.case-modal__body {
  padding: 22px;
}

.case-modal__body h3 {
  margin: 0 0 8px;
  letter-spacing: -0.02em;
}

.case-modal__list {
  margin: 16px 0 0;
  padding-left: 18px;
  color: var(--text-secondary);
  display: grid;
  gap: 8px;
}

.case-modal__actions {
  margin-top: 18px;
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}