/* ===========================================================
   BackYou Solutions — Design System
   AI Marketing + Contact Center & Sales Conversion Agency
   =========================================================== */

:root {
  /* Palette — tech, trustworthy, high-conversion */
  --color-bg: #f6f7fb;
  --color-bg-alt: #eef0fa;
  --color-card: #ffffff;
  --color-dark: #070a14;
  --color-dark-2: #0c1023;
  --color-dark-3: #121834;
  --color-ink: #161a2c;
  --color-ink-light: #5b6178;
  --color-border: #e2e5f3;

  --color-primary: #4a5bff;
  --color-primary-dark: #3541d1;
  --color-primary-light: #7c8bff;
  --color-violet: #9b5cf6;
  --color-cyan: #22d3ee;
  --color-lead: #16c78f;
  --color-lead-dark: #0fa876;
  --color-warn: #ff8a3d;

  --gradient-brand: linear-gradient(135deg, var(--color-primary) 0%, var(--color-violet) 100%);
  --gradient-brand-2: linear-gradient(135deg, var(--color-cyan) 0%, var(--color-primary) 60%, var(--color-violet) 100%);
  --gradient-lead: linear-gradient(135deg, var(--color-lead) 0%, var(--color-cyan) 100%);

  --font-heading: "Space Grotesk", "Inter", -apple-system, sans-serif;
  --font-body: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;

  --radius-sm: 10px;
  --radius: 18px;
  --radius-lg: 28px;

  --shadow-soft: 0 10px 30px rgba(12, 16, 35, 0.08);
  --shadow-strong: 0 24px 60px rgba(12, 16, 35, 0.18);
  --shadow-glow: 0 20px 60px rgba(74, 91, 255, 0.25);

  --container: 1240px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--color-ink);
  background: var(--color-bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img, svg.illus { max-width: 100%; display: block; }

h1, h2, h3, h4 {
  font-family: var(--font-heading);
  color: var(--color-dark);
  line-height: 1.15;
  margin: 0 0 0.5em;
  font-weight: 600;
  letter-spacing: -0.01em;
}

h1 { font-size: clamp(2.4rem, 5vw, 4rem); font-weight: 700; }
h2 { font-size: clamp(1.9rem, 3.4vw, 2.6rem); }
h3 { font-size: clamp(1.2rem, 2vw, 1.5rem); }

p { margin: 0 0 1em; color: var(--color-ink-light); }

a { color: inherit; text-decoration: none; }

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

.text-gradient {
  background: var(--gradient-brand-2);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-body);
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-primary);
  font-weight: 700;
  margin-bottom: 14px;
}
.eyebrow::before {
  content: "";
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--gradient-brand);
  display: inline-block;
}

.section { padding: 100px 0; }
.section--alt { background: var(--color-bg-alt); }
.section--dark {
  background: radial-gradient(1200px 600px at 15% -10%, rgba(74,91,255,0.28), transparent 60%),
              radial-gradient(900px 500px at 100% 10%, rgba(155,92,246,0.22), transparent 55%),
              linear-gradient(180deg, var(--color-dark), var(--color-dark-2));
  color: #e7e9f7;
  position: relative;
  overflow: hidden;
}
.section--dark h2, .section--dark h3, .section--dark p { color: #e7e9f7; }
.section--dark .section-intro p { color: #a8adcc; }
.section--dark .eyebrow { color: var(--color-cyan); }

.section-intro { max-width: 720px; margin: 0 0 56px; }
.section-intro.center { margin-left: auto; margin-right: auto; text-align: center; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 15px 30px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.98rem;
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform 0.25s ease, box-shadow 0.25s ease, background 0.25s ease, color 0.25s ease, border-color .25s ease;
  white-space: nowrap;
  font-family: var(--font-body);
}
.btn-primary {
  background: var(--gradient-brand);
  color: #fff;
  box-shadow: var(--shadow-glow);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 26px 60px rgba(74,91,255,0.38); }

.btn-lead {
  background: var(--gradient-lead);
  color: var(--color-dark);
  box-shadow: 0 14px 34px rgba(22, 199, 143, 0.32);
}
.btn-lead:hover { transform: translateY(-2px); box-shadow: 0 18px 40px rgba(22,199,143,0.4); }

.btn-outline {
  background: transparent;
  border-color: rgba(255,255,255,0.35);
  color: #fff;
}
.btn-outline:hover { background: rgba(255,255,255,0.1); border-color: #fff; transform: translateY(-2px); }

.btn-outline-dark {
  background: transparent;
  border-color: var(--color-border);
  color: var(--color-dark);
}
.btn-outline-dark:hover { background: var(--color-dark); border-color: var(--color-dark); color: #fff; transform: translateY(-2px); }

.btn-sm { padding: 10px 20px; font-size: 0.86rem; }
.btn-block { width: 100%; }

/* ---------- Header / Nav ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(7, 10, 20, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255,255,255,0.08);
  transition: background .3s ease;
}
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 24px;
  max-width: var(--container);
  margin: 0 auto;
  gap: 18px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: #fff;
  flex-shrink: 0;
  white-space: nowrap;
}
.brand-logo { height: 34px; width: auto; display: block; }
@media (max-width: 420px) { .brand-logo { height: 28px; } }

.nav-links {
  display: flex;
  align-items: center;
  gap: 20px;
  list-style: none;
  margin: 0;
  padding: 0;
}
.nav-links a {
  color: #dfe1f5;
  font-size: 0.88rem;
  font-weight: 500;
  position: relative;
  padding: 6px 0;
  white-space: nowrap;
}
.nav-links a:hover { color: var(--color-cyan); }

.nav-right { display: flex; align-items: center; gap: 14px; }

.lang-toggle {
  display: flex;
  border: 1px solid rgba(255,255,255,0.25);
  border-radius: 999px;
  overflow: hidden;
  font-size: 0.8rem;
  font-weight: 700;
}
.lang-toggle button {
  background: transparent;
  border: none;
  color: #a8adcc;
  padding: 7px 13px;
  cursor: pointer;
  font-weight: 700;
  font-family: var(--font-body);
  transition: background .2s ease, color .2s ease;
}
.lang-toggle button.active {
  background: var(--gradient-brand);
  color: #fff;
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  color: #fff;
  font-size: 1.6rem;
  cursor: pointer;
}

@media (max-width: 1180px) {
  .nav-links {
    position: fixed;
    top: 66px; left: 0; right: 0;
    flex-direction: column;
    align-items: flex-start;
    background: var(--color-dark-2);
    padding: 20px 24px 26px;
    gap: 6px;
    transform: translateY(-130%);
    opacity: 0;
    transition: transform .3s ease, opacity .3s ease;
    border-bottom: 1px solid rgba(255,255,255,0.08);
    max-height: 80vh;
    overflow-y: auto;
  }
  .nav-links.open { transform: translateY(0); opacity: 1; }
  .nav-links a { width: 100%; padding: 10px 0; }
  .nav-toggle { display: block; }
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: 94vh;
  overflow: hidden;
  display: flex;
  align-items: center;
  color: #fff;
  background: var(--color-dark);
}
.hero-mesh {
  position: absolute; inset: 0;
  background:
    radial-gradient(700px 500px at 12% 18%, rgba(74,91,255,0.45), transparent 60%),
    radial-gradient(600px 480px at 88% 8%, rgba(155,92,246,0.35), transparent 55%),
    radial-gradient(700px 600px at 70% 90%, rgba(34,211,238,0.18), transparent 60%),
    linear-gradient(180deg, #070a14 0%, #0c1023 60%, #070a14 100%);
}
.hero-grid-overlay {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.05) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 70% 60% at 50% 30%, #000 40%, transparent 100%);
}
.hero-content {
  position: relative;
  z-index: 2;
  max-width: 800px;
  padding: 150px 24px 70px;
  margin: 0 auto;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.2);
  padding: 8px 16px;
  border-radius: 999px;
  font-size: 0.8rem;
  letter-spacing: 0.03em;
  margin-bottom: 24px;
  font-weight: 600;
  color: #cfd3f2;
}
.hero h1 { color: #fff; margin-bottom: 20px; }
.hero p.lead { font-size: 1.2rem; color: #b7bbdd; max-width: 620px; }
.hero-ctas { display: flex; gap: 16px; flex-wrap: wrap; margin-top: 32px; }
.hero-stats {
  display: flex;
  gap: 44px;
  margin-top: 64px;
  flex-wrap: wrap;
}
.hero-stat strong { display: block; font-family: var(--font-heading); font-size: 2.1rem; background: var(--gradient-brand-2); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero-stat span { font-size: 0.84rem; color: #9298bd; }

/* Floating dashboard mockup card (pure CSS, hero decoration) */
.hero-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(2px);
  opacity: 0.7;
  animation: float 7s ease-in-out infinite;
}
@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-18px); }
}

/* ---------- Marquee / logo strip ---------- */
.strip {
  background: var(--color-dark-2);
  border-top: 1px solid rgba(255,255,255,0.06);
  border-bottom: 1px solid rgba(255,255,255,0.06);
  padding: 26px 0;
}
.strip-inner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  flex-wrap: wrap;
  text-align: center;
}
.strip-inner p { margin: 0; color: #8b90b5; font-size: 0.88rem; letter-spacing: 0.02em; }

/* ---------- Partner badges (real Google/Meta/Kommo logos) ---------- */
.partner-badges {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 20px;
}
.partner-badge {
  background: #fff;
  border-radius: 14px;
  padding: 14px 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 10px 26px rgba(0,0,0,0.25);
}
.partner-badge img { height: 40px; width: auto; display: block; }
@media (max-width: 560px) { .partner-badge img { height: 34px; } }
.strip-inner strong { color: #fff; }

/* ---------- Grid / Cards ---------- */
.grid { display: grid; gap: 28px; }
.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: 980px) { .grid-4 { grid-template-columns: repeat(2, 1fr); } .grid-3 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) { .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; } }

.card {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 32px;
  transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-strong); border-color: transparent; }

.icon-circle {
  width: 56px; height: 56px;
  border-radius: 16px;
  display: flex; align-items: center; justify-content: center;
  background: var(--gradient-brand);
  margin-bottom: 20px;
  box-shadow: 0 10px 24px rgba(74,91,255,0.3);
  flex-shrink: 0;
}
.icon-circle svg { width: 26px; height: 26px; color: #fff; }
.icon-circle.lead { background: var(--gradient-lead); box-shadow: 0 10px 24px rgba(22,199,143,0.3); }
.icon-circle.violet { background: linear-gradient(135deg, var(--color-violet), var(--color-primary)); }

.service-card h3 { margin-bottom: 10px; }
.service-card p { margin-bottom: 0; }
.service-card ul { list-style: none; margin: 16px 0 0; padding: 0; }
.service-card li {
  display: flex; align-items: flex-start; gap: 10px;
  font-size: 0.9rem; color: var(--color-ink-light);
  margin-bottom: 8px;
}
.service-card li::before {
  content: "";
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--gradient-brand);
  margin-top: 7px;
  flex-shrink: 0;
}

/* dark-surface cards used inside .section--dark */
.card-dark {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius);
  padding: 32px;
  backdrop-filter: blur(6px);
}
.card-dark h3, .card-dark h4 { color: #fff; }
.card-dark p { color: #a8adcc; }

/* ---------- Funnel / Process steps ---------- */
.process {
  position: relative;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
  counter-reset: step;
}
@media (max-width: 900px) { .process { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .process { grid-template-columns: 1fr; } }
.process-step {
  position: relative;
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 28px 24px;
}
.process-step .step-num {
  display: inline-flex;
  align-items: center; justify-content: center;
  width: 40px; height: 40px;
  border-radius: 50%;
  background: var(--gradient-brand);
  color: #fff;
  font-family: var(--font-heading);
  font-weight: 700;
  margin-bottom: 16px;
}
.process-step h3 { font-size: 1.1rem; margin-bottom: 8px; }
.process-step p { font-size: 0.9rem; margin: 0; }
.process-arrow {
  display: none;
}
@media (min-width: 901px) {
  .process-step:not(:last-child)::after {
    content: "";
    position: absolute;
    top: 40px; right: -28px;
    width: 28px; height: 2px;
    background: linear-gradient(90deg, var(--color-primary), transparent);
  }
}

/* ---------- Comparison: traditional vs BackYou ---------- */
.compare {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}
@media (max-width: 780px) { .compare { grid-template-columns: 1fr; } }
.compare-col {
  border-radius: var(--radius-lg);
  padding: 36px 32px;
}
.compare-col.old {
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
}
.compare-col.new {
  background: linear-gradient(160deg, var(--color-dark), var(--color-dark-3));
  color: #fff;
  box-shadow: var(--shadow-glow);
  position: relative;
  overflow: hidden;
}
.compare-col.new::before {
  content: "";
  position: absolute; inset: 0;
  background: radial-gradient(500px 300px at 90% 0%, rgba(155,92,246,0.35), transparent 60%);
}
.compare-col h3 { position: relative; z-index: 1; }
.compare-col.new h3 { color: #fff; }
.compare-col.new .eyebrow { color: var(--color-cyan); }
.compare-list { list-style: none; margin: 20px 0 0; padding: 0; position: relative; z-index: 1; }
.compare-list li {
  display: flex; align-items: flex-start; gap: 12px;
  padding: 10px 0;
  border-bottom: 1px solid rgba(0,0,0,0.06);
  font-size: 0.95rem;
}
.compare-col.new .compare-list li { border-bottom-color: rgba(255,255,255,0.08); color: #cfd3f2; }
.compare-list li .mark { flex-shrink: 0; width: 20px; height: 20px; margin-top: 2px; }
.compare-list li .mark.x { color: #c94b4b; }
.compare-list li .mark.check { color: var(--color-lead); }

/* ---------- Stats band ---------- */
.stats-band {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
  position: relative;
  z-index: 1;
}
@media (max-width: 780px) { .stats-band { grid-template-columns: 1fr 1fr; } }
.stat-item strong {
  display: block;
  font-family: var(--font-heading);
  font-size: clamp(2.2rem, 4vw, 3rem);
  background: var(--gradient-brand-2);
  -webkit-background-clip: text; background-clip: text; color: transparent;
  margin-bottom: 6px;
}
.stat-item span { font-size: 0.9rem; color: #a8adcc; }

/* ---------- Industry chips ---------- */
.chip-row { display: flex; flex-wrap: wrap; gap: 12px; }
.chip {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: 999px;
  padding: 10px 18px;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--color-ink);
}
.chip .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--gradient-brand); }

/* ---------- Pricing ---------- */
.price-card {
  background: var(--color-card);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 36px 32px;
  display: flex;
  flex-direction: column;
  position: relative;
}
.price-card.featured {
  background: linear-gradient(160deg, var(--color-dark), var(--color-dark-3));
  color: #fff;
  border-color: transparent;
  box-shadow: var(--shadow-glow);
  transform: scale(1.03);
}
.price-card.featured h3, .price-card.featured .price-amount { color: #fff; }
.price-card.featured p { color: #a8adcc; }
.price-card.featured .price-list li { color: #cfd3f2; border-bottom-color: rgba(255,255,255,0.08); }
.price-badge {
  position: absolute; top: -14px; left: 50%; transform: translateX(-50%);
  background: var(--gradient-lead);
  color: var(--color-dark);
  font-size: 0.75rem; font-weight: 700;
  padding: 6px 16px; border-radius: 999px;
  white-space: nowrap;
}
.price-amount { font-family: var(--font-heading); font-size: 2.2rem; font-weight: 700; margin: 14px 0 4px; color: var(--color-dark); }
.price-amount span { font-size: 0.95rem; font-weight: 500; color: var(--color-ink-light); }
.price-list { list-style: none; margin: 24px 0 32px; padding: 0; flex-grow: 1; }
.price-list li {
  display: flex; align-items: flex-start; gap: 10px;
  padding: 9px 0;
  border-bottom: 1px solid var(--color-border);
  font-size: 0.9rem;
}
.price-list li:last-child { border-bottom: none; }
.price-list svg { width: 16px; height: 16px; color: var(--color-lead); flex-shrink: 0; margin-top: 3px; }

/* ---------- Testimonials carousel ---------- */
[data-testimonial-carousel] { position: relative; }
.testimonial-track {
  display: flex;
  gap: 24px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scrollbar-width: none;
  padding-bottom: 6px;
}
.testimonial-track::-webkit-scrollbar { display: none; }
.testimonial-card {
  scroll-snap-align: start;
  flex: 0 0 min(420px, 86vw);
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 30px;
}
.testimonial-card .stars { color: var(--color-warn); font-size: 0.95rem; margin-bottom: 14px; letter-spacing: 2px; }
.testimonial-card p.quote { font-size: 1rem; color: var(--color-ink); margin-bottom: 20px; }
.testimonial-person { display: flex; align-items: center; gap: 12px; }
.avatar-badge {
  width: 44px; height: 44px; border-radius: 50%;
  background: var(--gradient-brand);
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-family: var(--font-heading); font-weight: 700;
  flex-shrink: 0;
}
.testimonial-person strong { display: block; font-size: 0.92rem; color: var(--color-dark); }
.testimonial-person span { font-size: 0.82rem; color: var(--color-ink-light); }
.carousel-nav {
  position: absolute; top: 50%; transform: translateY(-50%);
  width: 44px; height: 44px; border-radius: 50%;
  background: var(--color-card);
  border: 1px solid var(--color-border);
  display: flex; align-items: center; justify-content: center;
  cursor: pointer;
  box-shadow: var(--shadow-soft);
  z-index: 3;
}
.carousel-nav.prev { left: -18px; }
.carousel-nav.next { right: -18px; }
@media (max-width: 640px) { .carousel-nav { display: none; } }

/* ---------- FAQ Accordion ---------- */
.accordion { border-top: 1px solid var(--color-border); }
.accordion-item { border-bottom: 1px solid var(--color-border); }
.accordion-trigger {
  width: 100%;
  display: flex; align-items: center; justify-content: space-between;
  gap: 20px;
  background: none; border: none;
  text-align: left;
  padding: 22px 4px;
  cursor: pointer;
  font-family: var(--font-heading);
  font-size: 1.02rem;
  font-weight: 600;
  color: var(--color-dark);
}
.accordion-trigger .plus {
  flex-shrink: 0;
  width: 30px; height: 30px;
  border-radius: 50%;
  border: 1.5px solid var(--color-border);
  display: flex; align-items: center; justify-content: center;
  position: relative;
  transition: transform .25s ease, background .25s ease, border-color .25s ease;
}
.accordion-trigger .plus::before, .accordion-trigger .plus::after {
  content: "";
  position: absolute;
  background: var(--color-dark);
  transition: transform .25s ease, opacity .25s ease;
}
.accordion-trigger .plus::before { width: 12px; height: 2px; }
.accordion-trigger .plus::after { width: 2px; height: 12px; }
.accordion-item.open .accordion-trigger .plus { background: var(--gradient-brand); border-color: transparent; }
.accordion-item.open .accordion-trigger .plus::before,
.accordion-item.open .accordion-trigger .plus::after { background: #fff; }
.accordion-item.open .accordion-trigger .plus::after { transform: rotate(90deg); opacity: 0; }
.accordion-panel {
  max-height: 0;
  overflow: hidden;
  transition: max-height .3s ease;
}
.accordion-panel-inner { padding: 0 4px 22px; }
.accordion-panel-inner p { margin: 0; }

/* ---------- Forms ---------- */
.form-card {
  background: var(--color-card);
  border-radius: var(--radius-lg);
  padding: 40px;
  box-shadow: var(--shadow-strong);
  border: 1px solid var(--color-border);
}
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.form-grid .full { grid-column: 1 / -1; }
@media (max-width: 640px) { .form-grid { grid-template-columns: 1fr; } }

.field label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--color-dark);
}
.field input,
.field select,
.field textarea {
  width: 100%;
  padding: 13px 16px;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: 0.95rem;
  background: var(--color-bg);
  color: var(--color-ink);
  transition: border-color .2s ease, box-shadow .2s ease;
}
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 4px rgba(74,91,255,0.14);
}
.field textarea { min-height: 120px; resize: vertical; }
.form-note { font-size: 0.82rem; color: var(--color-ink-light); margin-top: 14px; }
.form-success, .form-error {
  display: none;
  padding: 16px 18px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  margin-top: 18px;
  font-size: 0.92rem;
}
.form-success { background: #e2f8ee; color: #0f7a52; }
.form-error { background: #fde8e6; color: #b03526; }
.form-success.show, .form-error.show { display: block; }

/* honeypot field (spam trap, hidden from real users) */
.hp-field { position: absolute; left: -9999px; top: -9999px; opacity: 0; height: 0; width: 0; }

/* ---------- Footer ---------- */
.site-footer {
  background: var(--color-dark);
  color: #a8adcc;
  padding: 70px 0 30px;
  position: relative;
  overflow: hidden;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 40px;
  margin-bottom: 50px;
  position: relative;
  z-index: 1;
}
@media (max-width: 900px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .footer-grid { grid-template-columns: 1fr; } }
.footer-grid h4 { color: #fff; font-size: 0.9rem; margin-bottom: 18px; text-transform: uppercase; letter-spacing: 0.06em; }
.footer-grid ul { list-style: none; margin: 0; padding: 0; }
.footer-grid li { margin-bottom: 10px; font-size: 0.9rem; }
.footer-grid a:hover { color: var(--color-cyan); }
.footer-brand { display: flex; align-items: center; gap: 10px; margin-bottom: 16px; }
.footer-logo { height: 44px; }
.footer-office { margin-bottom: 16px; }
.footer-office strong { display: block; color: #fff; font-size: 0.88rem; margin-bottom: 4px; }
.footer-office span { font-size: 0.85rem; }
.footer-social { display: flex; gap: 12px; margin-top: 20px; }
.footer-social a {
  width: 38px; height: 38px;
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 0.95rem;
  transition: background .2s ease, color .2s ease, border-color .2s ease;
}
.footer-social a svg { width: 17px; height: 17px; }
.footer-social a:hover { background: var(--gradient-brand); border-color: transparent; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 0.82rem;
  color: #7a80a3;
  position: relative;
  z-index: 1;
}
.footer-bottom a:hover { color: var(--color-cyan); }

/* ---------- Floating WhatsApp CTA ---------- */
.float-whatsapp {
  position: fixed;
  bottom: 24px; right: 24px;
  z-index: 999;
  width: 60px; height: 60px;
  border-radius: 50%;
  background: #25d366;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 12px 28px rgba(37,211,102,0.45);
  transition: transform .2s ease;
}
.float-whatsapp:hover { transform: scale(1.08); }
.float-whatsapp svg { width: 30px; height: 30px; color: #fff; }

/* ---------- Reveal animation ----------
   Visible by default (progressive enhancement): JS adds "reveal-pending" only
   right before it starts observing an element, so content never gets stuck
   hidden if IntersectionObserver fails to fire or main.js errors out. */
.reveal { transition: opacity .7s ease, transform .7s ease; }
.reveal.reveal-pending { opacity: 0; transform: translateY(24px); }
.reveal.is-visible { opacity: 1; transform: translateY(0); }

/* ---------- Skip link / a11y ---------- */
.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--color-primary);
  color: #fff;
  padding: 12px 20px;
  z-index: 2000;
  border-radius: 0 0 8px 0;
}
.skip-link:focus { left: 0; }

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

/* ---------- Misc utilities ---------- */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
@media (max-width: 900px) { .split { grid-template-columns: 1fr; gap: 36px; } }
.mt-0 { margin-top: 0 !important; }
.center-text { text-align: center; }