/* =========================================================
   HollahOfficial.com — style.css
   Vanilla CSS3. No frameworks.
   ========================================================= */

/* ---------- CSS Variables ---------- */
:root {
  --color-primary: #6d28d9;
  --color-primary-light: #8b5cf6;
  --color-primary-dark: #4c1d95;
  --color-accent: #f59e0b;
  --color-accent-dark: #d97706;
  --color-teal: #0d9488;
  --color-bg: #fcfaff;
  --color-surface: #ffffff;
  --color-surface-alt: #f5f2fd;
  --color-text: #1e1b2e;
  --color-text-muted: #5b5770;
  --color-border: #e6e1f5;
  --color-whatsapp: #25d366;
  --color-whatsapp-dark: #1ebc59;

  --font-base: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji";

  --container-width: 1200px;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;
  --radius-pill: 999px;

  --shadow-sm: 0 2px 8px rgba(30, 20, 60, 0.06);
  --shadow-md: 0 8px 24px rgba(30, 20, 60, 0.10);
  --shadow-lg: 0 16px 48px rgba(30, 20, 60, 0.16);

  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.75rem;
  --space-lg: 3rem;
  --space-xl: 5rem;

  --header-height: 72px;
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-base);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul, ol { padding: 0; margin: 0; list-style: none; }
h1, h2, h3, h4, p, figure { margin: 0; }
button { font: inherit; cursor: pointer; }
input, textarea, select { font: inherit; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* ---------- Layout helpers ---------- */
.container {
  width: 100%;
  max-width: var(--container-width);
  margin-inline: auto;
  padding-inline: 1.25rem;
}
.section { padding-block: var(--space-xl); }
.section-alt { background: var(--color-surface-alt); }
.section-head { max-width: 720px; margin-bottom: var(--space-lg); }
.section-head.center { margin-inline: auto; text-align: center; }
.eyebrow {
  display: inline-block;
  color: var(--color-primary);
  background: rgba(109, 40, 217, 0.08);
  font-weight: 700;
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 0.3rem 0.8rem;
  border-radius: var(--radius-pill);
  margin-bottom: 0.75rem;
}
h1 {
  font-size: clamp(2rem, 4.2vw, 3.1rem);
  line-height: 1.15;
  font-weight: 800;
  letter-spacing: -0.01em;
}
h2 {
  font-size: clamp(1.5rem, 2.8vw, 2.1rem);
  font-weight: 800;
  line-height: 1.25;
}
h3 {
  font-size: 1.2rem;
  font-weight: 700;
  line-height: 1.35;
}
p { color: var(--color-text-muted); }
.lead { font-size: 1.1rem; color: var(--color-text-muted); }
.text-center { text-align: center; }

/* ---------- Skip link ---------- */
.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--color-primary);
  color: #fff;
  padding: 0.75rem 1.25rem;
  border-radius: 0 0 var(--radius-sm) 0;
  z-index: 2000;
  font-weight: 600;
}
.skip-link:focus {
  left: 0;
}

/* ---------- Focus styles ---------- */
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible {
  outline: 3px solid var(--color-accent);
  outline-offset: 2px;
  border-radius: 4px;
}

/* ---------- Announcement strip ---------- */
.announcement-strip {
  background: linear-gradient(90deg, var(--color-primary-dark), var(--color-primary));
  color: #fff;
  font-size: 0.85rem;
  text-align: center;
  padding: 0.5rem 1rem;
}
.announcement-strip strong { color: var(--color-accent); }

/* ---------- Header / Navigation ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid transparent;
  transition: box-shadow var(--transition-base), border-color var(--transition-base);
}
.site-header.is-scrolled {
  box-shadow: var(--shadow-sm);
  border-bottom-color: var(--color-border);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: var(--header-height);
  gap: 1rem;
}
.logo-link { display: flex; align-items: center; gap: 0.6rem; flex-shrink: 0; }
.logo-img { height: 40px; width: auto; }

.main-nav { display: flex; align-items: center; }
.nav-toggle {
  display: none;
  background: none;
  border: none;
  padding: 0.5rem;
  border-radius: var(--radius-sm);
}
.hamburger,
.hamburger::before,
.hamburger::after {
  display: block;
  width: 26px;
  height: 3px;
  background: var(--color-text);
  border-radius: 2px;
  transition: transform var(--transition-base), opacity var(--transition-base);
}
.hamburger { position: relative; }
.hamburger::before,
.hamburger::after {
  content: "";
  position: absolute;
  left: 0;
}
.hamburger::before { top: -8px; }
.hamburger::after { top: 8px; }
.nav-toggle[aria-expanded="true"] .hamburger { background: transparent; }
.nav-toggle[aria-expanded="true"] .hamburger::before { transform: translateY(8px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .hamburger::after { transform: translateY(-8px) rotate(-45deg); }

.nav-menu {
  display: flex;
  align-items: center;
  gap: 1.75rem;
}
.nav-link {
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--color-text);
  padding: 0.4rem 0.1rem;
  position: relative;
}
.nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -4px;
  width: 0;
  height: 2px;
  background: var(--color-accent);
  transition: width var(--transition-base);
}
.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}
.nav-link.active { color: var(--color-primary); }

@media (max-width: 860px) {
  .nav-toggle { display: inline-flex; align-items: center; justify-content: center; z-index: 1100; }
  .main-nav { position: relative; }
  .nav-menu {
    position: fixed;
    top: var(--header-height);
    right: 0;
    height: calc(100vh - var(--header-height));
    width: min(78vw, 320px);
    background: var(--color-surface);
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    padding: 1.5rem;
    box-shadow: var(--shadow-lg);
    transform: translateX(100%);
    transition: transform var(--transition-base);
    overflow-y: auto;
  }
  .nav-menu.is-open { transform: translateX(0); }
  .nav-menu li { width: 100%; }
  .nav-link {
    display: block;
    width: 100%;
    padding: 0.9rem 0.25rem;
    border-bottom: 1px solid var(--color-border);
  }
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.9rem 1.6rem;
  border-radius: var(--radius-pill);
  font-weight: 700;
  font-size: 0.98rem;
  border: 2px solid transparent;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), background var(--transition-fast), color var(--transition-fast);
  white-space: nowrap;
}
.btn:hover { transform: translateY(-2px); }
.btn-primary {
  background: linear-gradient(135deg, var(--color-primary-light), var(--color-primary));
  color: #fff;
  box-shadow: var(--shadow-md);
}
.btn-primary:hover { box-shadow: var(--shadow-lg); }
.btn-accent {
  background: linear-gradient(135deg, var(--color-accent), var(--color-accent-dark));
  color: #241300;
  box-shadow: var(--shadow-md);
}
.btn-accent:hover { box-shadow: var(--shadow-lg); }
.btn-whatsapp {
  background: var(--color-whatsapp);
  color: #fff;
  box-shadow: var(--shadow-md);
}
.btn-whatsapp:hover { background: var(--color-whatsapp-dark); box-shadow: var(--shadow-lg); }
.btn-outline {
  background: transparent;
  border-color: var(--color-primary);
  color: var(--color-primary);
}
.btn-outline:hover { background: rgba(109, 40, 217, 0.08); }
.btn-block { width: 100%; }
.btn-lg { padding: 1.05rem 2rem; font-size: 1.05rem; }

/* ---------- Hero ---------- */
.hero {
  padding-block: var(--space-lg) var(--space-xl);
  background: radial-gradient(1200px 500px at 80% -10%, rgba(109, 40, 217, 0.12), transparent),
              radial-gradient(900px 500px at -10% 20%, rgba(245, 158, 11, 0.10), transparent);
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: var(--space-lg);
  align-items: center;
}
.hero-copy .eyebrow { margin-bottom: 1rem; }
.hero-copy p.lead { margin-block: 1.1rem 1.6rem; max-width: 54ch; }
.hero-ctas {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
  margin-bottom: 1.5rem;
}
.hero-trust-note {
  display: flex;
  gap: 0.6rem;
  align-items: flex-start;
  font-size: 0.88rem;
  color: var(--color-text-muted);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 0.85rem 1rem;
  max-width: 46ch;
}
.hero-media {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  background: linear-gradient(135deg, var(--color-primary-light), var(--color-primary));
}
.hero-media img { width: 100%; height: 100%; object-fit: cover; }

@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-media { order: -1; }
}

/* ---------- Trust indicators ---------- */
.trust-strip {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
}
.trust-item {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1.4rem;
  text-align: center;
  box-shadow: var(--shadow-sm);
}
.trust-item .trust-icon { font-size: 1.6rem; margin-bottom: 0.5rem; }
.trust-item h3 { font-size: 1rem; margin-bottom: 0.3rem; }
.trust-item p { font-size: 0.88rem; margin: 0; }

/* ---------- Cards / Grids ---------- */
.grid {
  display: grid;
  gap: 1.5rem;
}
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 900px) {
  .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 600px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
}

.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1.6rem;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.card .card-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, var(--color-primary-light), var(--color-primary));
  color: #fff;
  font-size: 1.3rem;
  margin-bottom: 1rem;
}
.card h3 { margin-bottom: 0.5rem; }
.card p { margin: 0; font-size: 0.95rem; }

/* Glass accent panel */
.glass-panel {
  background: rgba(255, 255, 255, 0.6);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.5);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  padding: 2rem;
}

/* ---------- Steps ---------- */
.steps-list {
  display: grid;
  gap: 1.25rem;
}
.step-item {
  display: flex;
  gap: 1rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  box-shadow: var(--shadow-sm);
}
.step-number {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-accent), var(--color-accent-dark));
  color: #241300;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ---------- Comparison table ---------- */
.compare-table-wrap { overflow-x: auto; border-radius: var(--radius-md); box-shadow: var(--shadow-sm); }
.compare-table { width: 100%; border-collapse: collapse; min-width: 560px; background: var(--color-surface); }
.compare-table th, .compare-table td {
  padding: 0.9rem 1.1rem;
  border-bottom: 1px solid var(--color-border);
  text-align: left;
  font-size: 0.95rem;
}
.compare-table thead th {
  background: var(--color-surface-alt);
  color: var(--color-primary-dark);
  font-weight: 800;
}
.compare-table tbody tr:last-child td { border-bottom: none; }

/* ---------- FAQ Accordion ---------- */
.faq-list { display: grid; gap: 0.85rem; }
.faq-item {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
}
.faq-question {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  background: none;
  border: none;
  text-align: left;
  padding: 1.1rem 1.3rem;
  font-weight: 700;
  font-size: 1rem;
  color: var(--color-text);
}
.faq-icon {
  flex-shrink: 0;
  width: 22px;
  height: 22px;
  position: relative;
}
.faq-icon::before, .faq-icon::after {
  content: "";
  position: absolute;
  background: var(--color-primary);
  border-radius: 2px;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}
.faq-icon::before { width: 14px; height: 2px; }
.faq-icon::after { width: 2px; height: 14px; transition: transform var(--transition-base); }
.faq-question[aria-expanded="true"] .faq-icon::after { transform: translate(-50%, -50%) rotate(90deg) scale(0); }
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-base) ease;
}
.faq-answer-inner { padding: 0 1.3rem 1.2rem; }
.faq-answer-inner p { margin: 0; font-size: 0.95rem; }

/* ---------- Contact / Form ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: var(--space-lg);
  align-items: start;
}
@media (max-width: 860px) { .contact-grid { grid-template-columns: 1fr; } }

.contact-info-list { display: grid; gap: 1rem; margin-top: 1.25rem; }
.contact-info-item {
  display: flex;
  gap: 0.85rem;
  align-items: flex-start;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1rem 1.15rem;
}
.contact-topics { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-top: 1.25rem; }
.topic-chip {
  background: var(--color-surface-alt);
  color: var(--color-primary-dark);
  font-size: 0.82rem;
  font-weight: 600;
  padding: 0.4rem 0.85rem;
  border-radius: var(--radius-pill);
}

.form-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  box-shadow: var(--shadow-md);
}
.form-group { margin-bottom: 1.1rem; }
.form-group label {
  display: block;
  font-weight: 700;
  font-size: 0.9rem;
  margin-bottom: 0.4rem;
}
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 0.75rem 0.9rem;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: #fff;
  color: var(--color-text);
  transition: border-color var(--transition-fast);
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus { border-color: var(--color-primary); }
.form-group textarea { min-height: 110px; resize: vertical; }
.form-error {
  color: #c0392b;
  font-size: 0.82rem;
  margin-top: 0.3rem;
  display: none;
}
.form-group.has-error input,
.form-group.has-error select,
.form-group.has-error textarea { border-color: #c0392b; }
.form-group.has-error .form-error { display: block; }
.form-consent { display: flex; gap: 0.6rem; align-items: flex-start; font-size: 0.88rem; color: var(--color-text-muted); }
.form-consent input { width: auto; margin-top: 0.25rem; }
.form-note { font-size: 0.8rem; color: var(--color-text-muted); margin-top: 0.9rem; }
.form-success {
  display: none;
  background: rgba(13, 148, 136, 0.1);
  color: var(--color-teal);
  border: 1px solid rgba(13, 148, 136, 0.3);
  border-radius: var(--radius-sm);
  padding: 0.8rem 1rem;
  font-size: 0.9rem;
  margin-bottom: 1rem;
  font-weight: 600;
}
.form-success.is-visible { display: block; }

/* ---------- Final CTA ---------- */
.final-cta {
  background: linear-gradient(135deg, var(--color-primary-dark), var(--color-primary) 60%, var(--color-primary-light));
  color: #fff;
  border-radius: var(--radius-lg);
  padding: var(--space-lg) var(--space-md);
  text-align: center;
}
.final-cta h2 { color: #fff; }
.final-cta p { color: rgba(255, 255, 255, 0.85); max-width: 60ch; margin-inline: auto; }
.final-cta .hero-ctas { justify-content: center; margin-top: 1.5rem; margin-bottom: 0; }

/* ---------- Breadcrumbs ---------- */
.breadcrumbs {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  padding-block: 1.1rem;
}
.breadcrumbs ol { display: flex; flex-wrap: wrap; gap: 0.4rem; align-items: center; }
.breadcrumbs a { color: var(--color-primary); font-weight: 600; }
.breadcrumbs a:hover { text-decoration: underline; }
.breadcrumbs li:not(:last-child)::after { content: "/"; margin-left: 0.4rem; color: var(--color-text-muted); }

/* ---------- Page header (inner pages) ---------- */
.page-header {
  padding-block: var(--space-lg);
  background: linear-gradient(160deg, var(--color-surface-alt), var(--color-bg));
  text-align: center;
}
.page-header p { max-width: 60ch; margin-inline: auto; margin-top: 0.75rem; }

/* ---------- Blog cards ---------- */
.blog-card { display: flex; flex-direction: column; }
.blog-thumb {
  height: 150px;
  border-radius: var(--radius-md);
  margin-bottom: 1.1rem;
  background: linear-gradient(135deg, var(--color-primary-light), var(--color-teal));
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 2rem;
  font-weight: 800;
}
.blog-meta { display: flex; gap: 0.6rem; align-items: center; font-size: 0.8rem; color: var(--color-text-muted); margin-bottom: 0.5rem; }
.blog-category {
  background: rgba(109, 40, 217, 0.1);
  color: var(--color-primary);
  font-weight: 700;
  padding: 0.2rem 0.65rem;
  border-radius: var(--radius-pill);
}
.blog-card h3 { margin-bottom: 0.5rem; }
.blog-card p { font-size: 0.92rem; flex-grow: 1; }
.blog-card .btn { margin-top: 1rem; align-self: flex-start; }

/* ---------- Legal pages ---------- */
.legal-content { max-width: 820px; }
.legal-content h2 { margin-top: var(--space-md); margin-bottom: 0.75rem; }
.legal-content h2:first-child { margin-top: 0; }
.legal-content p, .legal-content li { color: var(--color-text-muted); margin-bottom: 0.75rem; }
.legal-content ul { padding-left: 1.3rem; list-style: disc; }
.legal-content .updated-note {
  background: var(--color-surface-alt);
  border-radius: var(--radius-sm);
  padding: 0.85rem 1.1rem;
  font-size: 0.88rem;
  margin-bottom: var(--space-md);
}

/* ---------- 404 page ---------- */
.error-page {
  min-height: 60vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding-block: var(--space-xl);
}
.error-code {
  font-size: clamp(4rem, 12vw, 7rem);
  font-weight: 900;
  background: linear-gradient(135deg, var(--color-primary-light), var(--color-accent));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  line-height: 1;
}
.error-actions { display: flex; flex-wrap: wrap; gap: 0.9rem; justify-content: center; margin-top: 1.75rem; }

/* ---------- Footer ---------- */
.site-footer {
  background: #16102b;
  color: rgba(255, 255, 255, 0.78);
  padding-block: var(--space-lg) var(--space-md);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 2rem;
}
@media (max-width: 860px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 520px) { .footer-grid { grid-template-columns: 1fr; } }
.footer-brand .logo-img { height: 34px; filter: brightness(0) invert(1); margin-bottom: 0.9rem; }
.footer-brand p { color: rgba(255, 255, 255, 0.6); font-size: 0.9rem; max-width: 32ch; }
.footer-col h3 {
  color: #fff;
  font-size: 0.95rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 1rem;
}
.footer-col ul { display: grid; gap: 0.65rem; }
.footer-col a { color: rgba(255, 255, 255, 0.68); font-size: 0.92rem; transition: color var(--transition-fast); }
.footer-col a:hover { color: #fff; }
.footer-disclaimer {
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  margin-top: var(--space-lg);
  padding-top: var(--space-md);
  font-size: 0.82rem;
  color: rgba(255, 255, 255, 0.55);
  max-width: 90ch;
}
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  margin-top: var(--space-md);
  padding-top: var(--space-md);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.75rem;
  font-size: 0.82rem;
  color: rgba(255, 255, 255, 0.55);
}

/* ---------- WhatsApp Floating Button ---------- */
.whatsapp-float {
  position: fixed;
  right: 1.25rem;
  bottom: 1.25rem;
  z-index: 1500;
  width: 58px;
  height: 58px;
  border-radius: 50%;
  background: var(--color-whatsapp);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-lg);
  transition: transform var(--transition-fast);
}
.whatsapp-float svg { width: 30px; height: 30px; fill: #fff; }
.whatsapp-float:hover { transform: scale(1.08); }
.whatsapp-float:hover .whatsapp-tooltip,
.whatsapp-float:focus-visible .whatsapp-tooltip { opacity: 1; transform: translateX(0); }
.whatsapp-tooltip {
  position: absolute;
  right: 68px;
  top: 50%;
  transform: translate(8px, -50%);
  background: #16102b;
  color: #fff;
  font-size: 0.8rem;
  font-weight: 600;
  padding: 0.4rem 0.75rem;
  border-radius: var(--radius-sm);
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-fast), transform var(--transition-fast);
}
.whatsapp-pulse {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background: var(--color-whatsapp);
  opacity: 0.55;
  animation: whatsapp-pulse 2.2s ease-out infinite;
  z-index: -1;
}
@keyframes whatsapp-pulse {
  0% { transform: scale(1); opacity: 0.55; }
  100% { transform: scale(1.9); opacity: 0; }
}
@media (prefers-reduced-motion: reduce) {
  .whatsapp-pulse { animation: none; display: none; }
}
@media (max-width: 520px) {
  .whatsapp-float { right: 1rem; bottom: 1rem; width: 52px; height: 52px; }
  .whatsapp-float svg { width: 26px; height: 26px; }
}

/* ---------- Back to top ---------- */
.back-to-top {
  position: fixed;
  right: 1.25rem;
  bottom: 5.75rem;
  z-index: 1400;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  color: var(--color-primary);
  box-shadow: var(--shadow-md);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: opacity var(--transition-base), transform var(--transition-base), visibility var(--transition-base);
}
.back-to-top.is-visible { opacity: 1; visibility: visible; transform: translateY(0); }
.back-to-top svg { width: 20px; height: 20px; }
@media (max-width: 520px) {
  .back-to-top { right: 1rem; bottom: 5.25rem; width: 42px; height: 42px; }
}

/* ---------- Reveal animation ---------- */
.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}
.reveal.is-visible { opacity: 1; transform: translateY(0); }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
}

/* ---------- Utility ---------- */
.mt-0 { margin-top: 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;
}