/* Fervio AI — fervio.digital */

:root {
  --fv-bg: #050810;
  --fv-bg-2: #0b1220;
  --fv-card: rgba(15, 23, 42, 0.72);
  --fv-border: rgba(34, 211, 238, 0.16);
  --fv-cyan: #22d3ee;
  --fv-emerald: #34d399;
  --fv-violet: #a78bfa;
  --fv-text: #f1f5f9;
  --fv-muted: #94a3b8;
  --fv-radius: 18px;
  --fv-radius-sm: 12px;
  --fv-font: "DM Sans", system-ui, sans-serif;
  --fv-display: "Outfit", system-ui, sans-serif;
  --fv-shadow: 0 24px 64px rgba(0, 0, 0, 0.45);
  --fv-max: 1180px;
  --fv-header-h: 72px;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--fv-font);
  font-size: 1rem;
  line-height: 1.65;
  color: var(--fv-text);
  background: var(--fv-bg);
  overflow-x: hidden;
}
img, svg { display: block; max-width: 100%; }
a { color: var(--fv-cyan); text-decoration: none; transition: color 0.2s, opacity 0.2s; }
a:hover { color: var(--fv-emerald); }
h1, h2, h3, h4 { font-family: var(--fv-display); line-height: 1.2; margin: 0 0 0.75rem; }
p { margin: 0 0 1rem; }
ul { margin: 0; padding: 0; list-style: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }

.fv-page-bg {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background:
    radial-gradient(ellipse 60% 50% at 15% 10%, rgba(34, 211, 238, 0.12), transparent 55%),
    radial-gradient(ellipse 50% 40% at 85% 20%, rgba(167, 139, 250, 0.1), transparent 50%),
    radial-gradient(ellipse 40% 35% at 50% 90%, rgba(52, 211, 153, 0.08), transparent 55%),
    var(--fv-bg);
}

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

/* ── Header ── */
.fv-topbar {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--fv-header-h);
  border-bottom: 1px solid var(--fv-border);
  background: rgba(5, 8, 16, 0.82);
  backdrop-filter: blur(14px);
}
.fv-topbar__inner {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  height: 100%;
  width: min(100% - 2rem, var(--fv-max));
  margin-inline: auto;
}
.fv-brand-mark {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  color: var(--fv-text);
  font-family: var(--fv-display);
  font-weight: 700;
  font-size: 1.15rem;
}
.fv-brand-mark:hover { color: var(--fv-cyan); }
.fv-primary-nav { margin-left: auto; }
.fv-primary-nav__menu {
  display: flex;
  gap: 1.75rem;
}
.fv-primary-nav__menu a {
  color: var(--fv-muted);
  font-size: 0.9375rem;
  font-weight: 500;
}
.fv-primary-nav__menu a:hover { color: var(--fv-text); }
.fv-topbar__cta {
  display: inline-flex;
  align-items: center;
  padding: 0.55rem 1.25rem;
  border-radius: 999px;
  border: 1px solid rgba(34, 211, 238, 0.35);
  background: linear-gradient(135deg, rgba(34, 211, 238, 0.18), rgba(52, 211, 153, 0.14));
  color: var(--fv-text) !important;
  font-size: 0.875rem;
  font-weight: 600;
  white-space: nowrap;
}
.fv-topbar__cta:hover { border-color: var(--fv-cyan); transform: translateY(-1px); }
.fv-nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  padding: 8px;
  margin-left: auto;
}
.fv-nav-toggle span {
  display: block;
  height: 2px;
  background: var(--fv-text);
  border-radius: 2px;
  transition: transform 0.3s, opacity 0.3s;
}
.fv-nav-toggle.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.fv-nav-toggle.is-open span:nth-child(2) { opacity: 0; }
.fv-nav-toggle.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ── Breadcrumbs ── */
.fv-crumb { padding: 1rem 0 0; }
.fv-crumb__list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 0.5rem;
  font-size: 0.8125rem;
  color: var(--fv-muted);
}
.fv-crumb__item:not(:last-child)::after {
  content: "/";
  margin-left: 0.5rem;
  opacity: 0.45;
}
.fv-crumb__link { color: var(--fv-muted); }
.fv-crumb__current { color: var(--fv-text); }

/* ── Section common ── */
.fv-section {
  padding: clamp(3.5rem, 8vw, 6rem) 0;
  position: relative;
}
.fv-section__eyebrow {
  display: inline-block;
  margin-bottom: 0.75rem;
  padding: 0.3rem 0.85rem;
  border-radius: 999px;
  border: 1px solid var(--fv-border);
  background: rgba(34, 211, 238, 0.06);
  color: var(--fv-cyan);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.fv-section__title {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  max-width: 18ch;
}
.fv-section__lead {
  max-width: 58ch;
  color: var(--fv-muted);
  font-size: 1.0625rem;
}
.fv-section__head { margin-bottom: clamp(2rem, 5vw, 3rem); }

/* reveal animation */
.fv-reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.fv-reveal.is-visible {
  opacity: 1;
  transform: none;
}

/* ── Hero ── */
.fv-hero-zone {
  padding: clamp(2.5rem, 6vw, 4.5rem) 0 clamp(3.5rem, 8vw, 5.5rem);
  min-height: calc(100vh - var(--fv-header-h));
  display: flex;
  align-items: center;
}
.fv-hero-zone__shell {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
  width: min(100% - 2rem, var(--fv-max));
  margin-inline: auto;
}
.fv-hero-zone__copy h1 {
  font-size: clamp(2rem, 5vw, 3.25rem);
  margin-bottom: 1.25rem;
  background: linear-gradient(135deg, #fff 30%, var(--fv-cyan) 70%, var(--fv-emerald));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.fv-hero-zone__copy p {
  font-size: 1.125rem;
  color: var(--fv-muted);
  max-width: 48ch;
}
.fv-hero-zone__badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.5rem;
}
.fv-hero-zone__badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.45rem 0.85rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--fv-border);
  font-size: 0.8125rem;
  color: var(--fv-muted);
}
.fv-hero-zone__badge svg { width: 16px; height: 16px; color: var(--fv-emerald); }

/* ── Form card wrapper ── */
.fv-form-card {
  padding: clamp(1.25rem, 3vw, 1.75rem);
  border-radius: var(--fv-radius);
  border: 1px solid var(--fv-border);
  background: var(--fv-card);
  backdrop-filter: blur(16px);
  box-shadow: var(--fv-shadow);
}
.fv-form-card__head { margin-bottom: 1.25rem; }
.fv-form-card__head h3 {
  font-size: 1.25rem;
  margin-bottom: 0.35rem;
}
.fv-form-card__head p {
  margin: 0;
  font-size: 0.9rem;
  color: var(--fv-muted);
}
.fv-form-slot { min-height: 0; }

/* ── Pain / Gain ── */
.fv-pain-gain__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}
.fv-pain-gain__grid > li {
  padding: 1.75rem 1.5rem;
  border-radius: var(--fv-radius);
  border: 1px solid var(--fv-border);
  background: var(--fv-card);
  transition: transform 0.35s, border-color 0.35s, box-shadow 0.35s;
}
.fv-pain-gain__grid > li:hover {
  transform: translateY(-6px);
  border-color: rgba(34, 211, 238, 0.35);
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.3);
}
.fv-pain-gain__glyph {
  width: 52px;
  height: 52px;
  margin-bottom: 1.25rem;
  padding: 12px;
  border-radius: 14px;
  background: linear-gradient(135deg, rgba(34, 211, 238, 0.12), rgba(167, 139, 250, 0.1));
  color: var(--fv-cyan);
}
.fv-pain-gain__grid h3 { font-size: 1.125rem; }
.fv-pain-gain__grid p { margin: 0; font-size: 0.9375rem; color: var(--fv-muted); }

/* ── Workflow ── */
.fv-workflow__steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  counter-reset: fv-step;
}
.fv-workflow__steps > li {
  position: relative;
  padding: 1.5rem 1.25rem;
  border-radius: var(--fv-radius);
  border: 1px solid var(--fv-border);
  background: var(--fv-card);
  counter-increment: fv-step;
}
.fv-workflow__steps > li::before {
  content: counter(fv-step, decimal-leading-zero);
  display: block;
  margin-bottom: 1rem;
  font-family: var(--fv-display);
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--fv-cyan);
  letter-spacing: 0.08em;
}
.fv-workflow__glyph {
  width: 44px;
  height: 44px;
  margin-bottom: 1rem;
  color: var(--fv-emerald);
}
.fv-workflow__details h3 { font-size: 1rem; }
.fv-workflow__details p { margin: 0; font-size: 0.875rem; color: var(--fv-muted); }

/* ── Stats ── */
.fv-stats-panel {
  padding: clamp(2.5rem, 6vw, 4rem) 0;
  background: linear-gradient(180deg, transparent, rgba(34, 211, 238, 0.04), transparent);
}
.fv-stats-panel__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  width: min(100% - 2rem, var(--fv-max));
  margin-inline: auto;
}
.fv-stats-panel__grid > li {
  text-align: center;
  padding: 1.75rem 1rem;
  border-radius: var(--fv-radius);
  border: 1px solid var(--fv-border);
  background: var(--fv-card);
}
.fv-stats-panel__grid h3 {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  background: linear-gradient(135deg, var(--fv-cyan), var(--fv-emerald));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  margin-bottom: 0.35rem;
}
.fv-stats-panel__grid p { margin: 0; font-size: 0.875rem; color: var(--fv-muted); }

/* ── Reviews ── */
.fv-voices__shell { overflow: hidden; }
.fv-voices__cards {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
}
.fv-voices__cards > li {
  padding: 1.5rem;
  border-radius: var(--fv-radius);
  border: 1px solid var(--fv-border);
  background: var(--fv-card);
  transition: transform 0.3s;
}
.fv-voices__cards > li:hover { transform: translateY(-4px); }
.fv-voices__head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 0.75rem;
  margin-bottom: 1rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--fv-border);
}
.fv-voices__author { font-size: 0.9375rem; margin: 0; }
.fv-voices__rating {
  margin: 0;
  font-size: 0.8125rem;
  color: #fbbf24;
  letter-spacing: 0.05em;
  white-space: nowrap;
}
.fv-voices__quote {
  margin: 0 0 0.75rem;
  font-size: 0.9375rem;
  color: var(--fv-muted);
  font-style: italic;
}
.fv-voices__tag {
  display: inline-block;
  padding: 0.25rem 0.65rem;
  border-radius: 999px;
  background: rgba(52, 211, 153, 0.1);
  color: var(--fv-emerald);
  font-size: 0.75rem;
  font-weight: 600;
}

/* ── FAQ ── */
.fv-qa-block__items { display: flex; flex-direction: column; gap: 0.75rem; }
.fv-qa-block__items > li {
  border-radius: var(--fv-radius-sm);
  border: 1px solid var(--fv-border);
  background: var(--fv-card);
  overflow: hidden;
}
.fv-qa-block__trigger {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  width: 100%;
  padding: 1.15rem 1.25rem;
  text-align: left;
  color: var(--fv-text);
  font-size: 1rem;
  font-weight: 600;
}
.fv-qa-block__trigger svg {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  color: var(--fv-cyan);
  transition: transform 0.3s;
}
.fv-qa-block__items > li.is-open .fv-qa-block__trigger svg { transform: rotate(180deg); }
.fv-qa-block__answer {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 0.35s ease;
}
.fv-qa-block__items > li.is-open .fv-qa-block__answer { grid-template-rows: 1fr; }
.fv-qa-block__answer-inner {
  overflow: hidden;
}
.fv-qa-block__answer-inner p {
  margin: 0;
  padding: 0 1.25rem 1.15rem;
  font-size: 0.9375rem;
  color: var(--fv-muted);
}

/* ── Final CTA ── */
.fv-final-push {
  padding: clamp(3rem, 7vw, 5rem) 0;
}
.fv-final-push__shell {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 5vw, 3.5rem);
  align-items: center;
  width: min(100% - 2rem, var(--fv-max));
  margin-inline: auto;
  padding: clamp(2rem, 5vw, 3rem);
  border-radius: calc(var(--fv-radius) + 4px);
  border: 1px solid var(--fv-border);
  background: linear-gradient(135deg, rgba(34, 211, 238, 0.06), rgba(167, 139, 250, 0.05));
}
.fv-final-push__copy h2 { font-size: clamp(1.5rem, 3.5vw, 2.25rem); }
.fv-final-push__copy p { color: var(--fv-muted); margin: 0; }

/* ── Footer ── */
.fv-site-foot {
  padding: 3rem 0 2rem;
  border-top: 1px solid var(--fv-border);
  background: var(--fv-bg-2);
}
.fv-site-foot__shell {
  width: min(100% - 2rem, var(--fv-max));
  margin-inline: auto;
}
.fv-site-foot__notices {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-bottom: 2rem;
}
.fv-site-foot__legal-note,
.fv-site-foot__risk-note {
  margin: 0;
  font-size: 0.75rem;
  line-height: 1.7;
  color: var(--fv-muted);
}
.fv-site-foot__links {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 2rem;
  margin-bottom: 1.5rem;
}
.fv-site-foot__links a { color: var(--fv-muted); font-size: 0.875rem; }
.fv-site-foot__links a:hover { color: var(--fv-text); }
.fv-site-foot__rights {
  margin: 0;
  font-size: 0.8125rem;
  color: rgba(148, 163, 184, 0.7);
}

/* ── Legal pages ── */
.fv-legal {
  padding: 2rem 0 4rem;
}
.fv-legal__content {
  width: min(100% - 2rem, 760px);
  margin-inline: auto;
}
.fv-legal__content h1 {
  font-size: clamp(1.75rem, 4vw, 2.25rem);
  margin-bottom: 0.5rem;
}
.fv-legal__updated {
  margin-bottom: 2rem;
  font-size: 0.875rem;
  color: var(--fv-muted);
}
.fv-legal__content h2 {
  font-size: 1.25rem;
  margin: 2rem 0 0.75rem;
}
.fv-legal__content p,
.fv-legal__content li {
  color: var(--fv-muted);
  font-size: 0.9375rem;
}
.fv-legal__content ul {
  list-style: disc;
  padding-left: 1.25rem;
  margin-bottom: 1rem;
}
.fv-contact-card {
  margin-top: 2rem;
  padding: 1.5rem;
  border-radius: var(--fv-radius);
  border: 1px solid var(--fv-border);
  background: var(--fv-card);
}
.fv-contact-card p { margin: 0 0 0.5rem; }

/* ── Responsive ── */
@media (max-width: 1024px) {
  .fv-hero-zone__shell,
  .fv-final-push__shell { grid-template-columns: 1fr; }
  .fv-workflow__steps { grid-template-columns: repeat(2, 1fr); }
  .fv-voices__cards { grid-template-columns: repeat(2, 1fr); }
  .fv-stats-panel__grid { grid-template-columns: repeat(2, 1fr); }
  .fv-pain-gain__grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .fv-topbar__cta { display: none; }
  .fv-nav-toggle { display: flex; }
  .fv-primary-nav {
    position: fixed;
    inset: var(--fv-header-h) 0 auto 0;
    margin: 0;
    padding: 1.25rem;
    background: rgba(5, 8, 16, 0.96);
    border-bottom: 1px solid var(--fv-border);
    transform: translateY(-120%);
    opacity: 0;
    pointer-events: none;
    transition: transform 0.35s, opacity 0.35s;
  }
  .fv-primary-nav.is-open {
    transform: none;
    opacity: 1;
    pointer-events: auto;
  }
  .fv-primary-nav__menu {
    flex-direction: column;
    gap: 0.25rem;
  }
  .fv-primary-nav__menu a {
    display: block;
    padding: 0.75rem 0;
    font-size: 1rem;
  }
  .fv-workflow__steps,
  .fv-voices__cards { grid-template-columns: 1fr; }
  .fv-stats-panel__grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 480px) {
  .fv-stats-panel__grid { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .fv-reveal { opacity: 1; transform: none; transition: none; }
  .fv-pain-gain__grid > li,
  .fv-voices__cards > li { transition: none; }
}