/* Persianistas Sabadell — estilos globales, mobile-first */
:root {
  --color-bg: #f5f7fa;
  --color-surface: #ffffff;
  --color-text: #1a2332;
  --color-muted: #5c6575;
  --color-primary: #1e3a5f;
  --color-primary-hover: #152a45;
  --color-accent: #e86a24;
  --color-accent-hover: #cf5c1b;
  --color-border: #dde3eb;
  --shadow-sm: 0 1px 3px rgba(26, 35, 50, 0.08);
  --shadow-md: 0 8px 24px rgba(26, 35, 50, 0.12);
  --radius: 10px;
  --max-width: 72rem;
  --safe-bottom: env(safe-area-inset-bottom, 0);
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, Ubuntu, Cantarell, "Noto Sans", sans-serif;
  font-size: 1rem;
  line-height: 1.6;
  color: var(--color-text);
  background: var(--color-bg);
}

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

a {
  color: var(--color-primary);
  text-decoration-thickness: 1px;
  text-underline-offset: 2px;
}

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

.skip-link {
  position: absolute;
  left: -9999px;
  top: auto;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.skip-link:focus {
  position: fixed;
  left: 1rem;
  top: 1rem;
  width: auto;
  height: auto;
  padding: 0.75rem 1rem;
  background: var(--color-primary);
  color: #fff;
  z-index: 10000;
  border-radius: var(--radius);
}

.container {
  width: min(100% - 1.5rem, var(--max-width));
  margin-inline: auto;
}

/* Header */
.site-header {
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 100;
}

.site-header .inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.75rem 0;
  flex-wrap: wrap;
}

.logo {
  font-weight: 700;
  font-size: 1.125rem;
  color: var(--color-primary);
  text-decoration: none;
}

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

.header-cta {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.lang-switch {
  font-size: 0.875rem;
  color: var(--color-muted);
}

.lang-switch a {
  font-weight: 600;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  padding: 0.65rem 1.15rem;
  font-size: 0.9375rem;
  font-weight: 600;
  border-radius: var(--radius);
  border: 2px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: background 0.15s ease, border-color 0.15s ease, color 0.15s ease;
}

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

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

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

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

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

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

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

.btn-lg {
  padding: 0.9rem 1.5rem;
  font-size: 1.0625rem;
}

.btn-block {
  width: 100%;
}

/* Hero */
.hero {
  background: linear-gradient(165deg, var(--color-primary) 0%, #2d4a73 100%);
  color: #fff;
  padding: 2.5rem 0 3rem;
}

.hero h1 {
  margin: 0 0 0.75rem;
  font-size: clamp(1.75rem, 5vw, 2.35rem);
  line-height: 1.2;
}

.hero .lead {
  margin: 0 0 1.5rem;
  font-size: 1.0625rem;
  opacity: 0.95;
  max-width: 38rem;
}

.hero-actions {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

@media (min-width: 480px) {
  .hero-actions {
    flex-direction: row;
    flex-wrap: wrap;
  }
}

.hero .hero-actions .btn-primary {
  background: var(--color-accent);
  border-color: var(--color-accent);
}

.hero .hero-actions .btn-outline {
  background: rgba(255, 255, 255, 0.12);
  color: #fff;
  border-color: rgba(255, 255, 255, 0.5);
}

.hero .hero-actions .btn-outline:hover {
  background: #fff;
  color: var(--color-primary);
  border-color: #fff;
}

.hero-note {
  margin: 1rem 0 0;
  font-size: 0.8125rem;
  opacity: 0.85;
}

/* Sections */
section {
  padding: 2.75rem 0;
}

.section-title {
  margin: 0 0 0.5rem;
  font-size: clamp(1.35rem, 3.5vw, 1.75rem);
  color: var(--color-primary);
}

.section-intro {
  margin: 0 0 1.75rem;
  color: var(--color-muted);
  max-width: 42rem;
}

/* Cards grid */
.grid {
  display: grid;
  gap: 1rem;
}

@media (min-width: 640px) {
  .grid-2 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 900px) {
  .grid-3 {
    grid-template-columns: repeat(3, 1fr);
  }
}

.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.25rem 1.35rem;
  box-shadow: var(--shadow-sm);
}

.card h3 {
  margin: 0 0 0.5rem;
  font-size: 1.0625rem;
  color: var(--color-primary);
}

.card p {
  margin: 0;
  color: var(--color-muted);
  font-size: 0.9375rem;
}

.card a {
  font-weight: 600;
}

/* Lists */
.check-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.check-list li {
  position: relative;
  padding-left: 1.5rem;
  margin-bottom: 0.65rem;
  color: var(--color-text);
}

.check-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.45rem;
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 50%;
  background: var(--color-accent);
}

/* FAQ */
.faq-item {
  border-bottom: 1px solid var(--color-border);
  padding: 1rem 0;
}

.faq-item:first-child {
  padding-top: 0;
}

.faq-item h3 {
  margin: 0 0 0.35rem;
  font-size: 1rem;
  color: var(--color-primary);
}

.faq-item p {
  margin: 0;
  color: var(--color-muted);
  font-size: 0.9375rem;
}

/* Form */
.contact-form {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.5rem;
  box-shadow: var(--shadow-md);
  max-width: 32rem;
}

.form-group {
  margin-bottom: 1rem;
}

.form-group label {
  display: block;
  font-weight: 600;
  font-size: 0.875rem;
  margin-bottom: 0.35rem;
  color: var(--color-text);
}

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

.form-group input:focus-visible,
.form-group textarea:focus-visible,
.form-group select:focus-visible {
  outline: 3px solid rgba(232, 106, 36, 0.45);
  outline-offset: 1px;
  border-color: var(--color-accent);
}

.form-group textarea {
  min-height: 6rem;
  resize: vertical;
}

.form-error {
  color: #b42318;
  font-size: 0.8125rem;
  margin-top: 0.25rem;
  display: none;
}

.form-group.is-invalid .form-error {
  display: block;
}

.form-group.is-invalid input,
.form-group.is-invalid textarea,
.form-group.is-invalid select {
  border-color: #b42318;
}

/* CTA bands */
.cta-band {
  background: var(--color-primary);
  color: #fff;
  padding: 2rem 0;
  text-align: center;
}

.cta-band h2 {
  margin: 0 0 0.5rem;
  font-size: 1.35rem;
}

.cta-band p {
  margin: 0 0 1.25rem;
  opacity: 0.92;
}

.cta-band .btn-primary {
  margin: 0 0.35rem 0.5rem;
}

.cta-band .btn-outline {
  color: #fff;
  border-color: rgba(255, 255, 255, 0.6);
  background: transparent;
}

.cta-band .btn-outline:hover {
  background: #fff;
  color: var(--color-primary);
  border-color: #fff;
}

/* Footer */
.site-footer {
  background: #121a26;
  color: rgba(255, 255, 255, 0.85);
  padding: 2rem 0;
  padding-bottom: calc(5rem + var(--safe-bottom));
}

@media (min-width: 900px) {
  .site-footer {
    padding-bottom: 2rem;
  }
}

.site-footer a {
  color: #fff;
}

.site-footer .footer-grid {
  display: grid;
  gap: 1.5rem;
}

@media (min-width: 640px) {
  .site-footer .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

.site-footer h2 {
  margin: 0 0 0.75rem;
  font-size: 1rem;
  color: #fff;
}

.site-footer p,
.site-footer li {
  font-size: 0.875rem;
  margin: 0.35rem 0;
}

.site-footer ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.footer-legal {
  margin-top: 1.5rem;
  padding-top: 1.25rem;
  border-top: 1px solid rgba(255, 255, 255, 0.15);
  font-size: 0.8125rem;
  color: rgba(255, 255, 255, 0.65);
}

.footer-legal a {
  color: rgba(255, 255, 255, 0.85);
  margin-right: 1rem;
}

/* Inner pages */
.page-hero {
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  padding: 2rem 0 1.5rem;
}

.page-hero h1 {
  margin: 0 0 0.5rem;
  font-size: clamp(1.5rem, 4vw, 2rem);
  color: var(--color-primary);
}

.page-hero .breadcrumb {
  font-size: 0.8125rem;
  color: var(--color-muted);
  margin-bottom: 0.5rem;
}

.page-hero .breadcrumb a {
  color: var(--color-muted);
}

.prose {
  max-width: 45rem;
}

.prose h2 {
  margin: 2rem 0 0.75rem;
  font-size: 1.25rem;
  color: var(--color-primary);
}

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

.prose h3 {
  margin: 1.25rem 0 0.5rem;
  font-size: 1.05rem;
  color: var(--color-text);
}

.prose p {
  margin: 0 0 1rem;
  color: var(--color-muted);
}

.prose ul {
  margin: 0 0 1rem;
  padding-left: 1.25rem;
  color: var(--color-muted);
}

.prose li {
  margin-bottom: 0.35rem;
}

/* Mobile fixed CTA */
.mobile-cta-bar {
  display: flex;
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 200;
  gap: 0.5rem;
  padding: 0.65rem 0.75rem;
  padding-bottom: calc(0.65rem + var(--safe-bottom));
  background: rgba(30, 58, 95, 0.98);
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.15);
}

.mobile-cta-bar .btn {
  flex: 1;
  padding: 0.75rem 0.5rem;
  font-size: 0.875rem;
}

@media (min-width: 900px) {
  .mobile-cta-bar {
    display: none;
  }

  body {
    padding-bottom: 0;
  }
}

body {
  padding-bottom: calc(4.25rem + var(--safe-bottom));
}

@media (min-width: 900px) {
  body {
    padding-bottom: 0;
  }
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}