/* ═══════════════════════════════════════════════════════
   Connect PABX — Landing Page Styles
   ═══════════════════════════════════════════════════════ */

/* ── Reset & Base ──────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --blue-900:  #0d1b2a;
  --blue-800:  #1a2e45;
  --blue-700:  #1e3a5f;
  --blue-600:  #1b4f8a;
  --blue-500:  #2563eb;
  --blue-400:  #3b82f6;
  --blue-300:  #93c5fd;
  --accent:    #06d6a0;
  --accent-dk: #059669;
  --yellow:    #fbbf24;
  --red:       #ef4444;
  --gray-900:  #0f172a;
  --gray-800:  #1e293b;
  --gray-700:  #334155;
  --gray-600:  #475569;
  --gray-300:  #cbd5e1;
  --gray-100:  #f1f5f9;
  --white:     #ffffff;

  --font-sans: 'Segoe UI', system-ui, -apple-system, sans-serif;
  --radius-sm: 6px;
  --radius:    12px;
  --radius-lg: 20px;
  --shadow:    0 4px 24px rgba(0,0,0,.18);
  --shadow-lg: 0 8px 48px rgba(0,0,0,.28);
  --transition: .22s ease;
}

html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: var(--font-sans);
  background: var(--gray-900);
  color: var(--gray-300);
  line-height: 1.65;
}

a { color: var(--blue-400); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--accent); }

/* ── Layout ────────────────────────────────────────────── */
.container {
  width: 100%;
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 24px;
}

.section { padding: 80px 0; }

.section-header {
  text-align: center;
  margin-bottom: 52px;
}
.section-header h2 {
  font-size: clamp(1.75rem, 3vw, 2.4rem);
  font-weight: 700;
  color: var(--white);
  margin-bottom: 12px;
}
.section-header p {
  font-size: 1.1rem;
  color: var(--gray-300);
  max-width: 540px;
  margin: 0 auto;
}

/* ── Buttons ───────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 24px;
  border-radius: var(--radius-sm);
  font-size: .95rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
  border: 2px solid transparent;
  white-space: nowrap;
}
.btn--sm  { padding: 7px 18px; font-size: .875rem; }
.btn--lg  { padding: 14px 32px; font-size: 1.05rem; }
.btn--block { width: 100%; }

.btn--primary {
  background: var(--blue-500);
  color: var(--white);
  border-color: var(--blue-500);
}
.btn--primary:hover {
  background: var(--blue-400);
  border-color: var(--blue-400);
  color: var(--white);
  transform: translateY(-1px);
  box-shadow: 0 4px 20px rgba(37,99,235,.45);
}

.btn--outline {
  background: transparent;
  color: var(--blue-400);
  border-color: var(--blue-600);
}
.btn--outline:hover {
  background: var(--blue-800);
  border-color: var(--blue-400);
  color: var(--white);
}

/* ── Navbar ────────────────────────────────────────────── */
.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(13,27,42,.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255,255,255,.07);
}

.navbar__inner {
  display: flex;
  align-items: center;
  gap: 32px;
  height: 64px;
}

.navbar__brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--white);
  font-size: 1.1rem;
  font-weight: 500;
  flex-shrink: 0;
}
.navbar__brand strong { color: var(--accent); }

.brand-icon { font-size: 1.4rem; }

.navbar__links {
  display: flex;
  gap: 28px;
  margin-left: auto;
}
.navbar__links a {
  color: var(--gray-300);
  font-size: .9rem;
  font-weight: 500;
}
.navbar__links a:hover { color: var(--white); }

.navbar__burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  margin-left: auto;
}
.navbar__burger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--gray-300);
  border-radius: 2px;
  transition: var(--transition);
}

.navbar__mobile {
  display: none;
  flex-direction: column;
  gap: 4px;
  padding: 16px 24px;
  border-top: 1px solid rgba(255,255,255,.07);
}
.navbar__mobile a { color: var(--gray-300); padding: 8px 0; font-size: .95rem; }
.navbar__mobile.open { display: flex; }

/* ── Badge ─────────────────────────────────────────────── */
.badge {
  display: inline-block;
  padding: 4px 14px;
  background: rgba(6,214,160,.12);
  color: var(--accent);
  border: 1px solid rgba(6,214,160,.3);
  border-radius: 100px;
  font-size: .78rem;
  font-weight: 600;
  letter-spacing: .05em;
  text-transform: uppercase;
  margin-bottom: 16px;
}

.accent { color: var(--accent); }

/* ── Hero ──────────────────────────────────────────────── */
.hero {
  background: linear-gradient(135deg, var(--blue-900) 0%, var(--gray-900) 60%);
  padding: 96px 0 80px;
  overflow: hidden;
}

.hero__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.hero__text h1 {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  color: var(--white);
  line-height: 1.18;
  margin-bottom: 20px;
}

.hero__subtitle {
  font-size: 1.05rem;
  color: var(--gray-300);
  margin-bottom: 32px;
  max-width: 480px;
}

.hero__ctas {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 28px;
}

.hero__trust {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}
.hero__trust li {
  font-size: .875rem;
  color: var(--gray-300);
}
.hero__trust li::first-letter { color: var(--accent); }

/* ── Mockup UI ─────────────────────────────────────────── */
.mockup {
  background: var(--gray-800);
  border: 1px solid rgba(255,255,255,.09);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  animation: float 4s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(-10px); }
}

.mockup__bar {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 12px 16px;
  background: var(--blue-900);
  border-bottom: 1px solid rgba(255,255,255,.07);
}
.dot { width: 10px; height: 10px; border-radius: 50%; display: inline-block; }
.dot--red    { background: var(--red); }
.dot--yellow { background: var(--yellow); }
.dot--green  { background: var(--accent); }

.mockup__title {
  font-size: .78rem;
  color: var(--gray-300);
  margin-left: 8px;
}

.mockup__body { padding: 20px; display: flex; flex-direction: column; gap: 16px; }

.stat-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.stat-card {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px;
  border-radius: var(--radius-sm);
}
.stat-card--green { background: rgba(6,214,160,.1); border: 1px solid rgba(6,214,160,.2); }
.stat-card--blue  { background: rgba(37,99,235,.12); border: 1px solid rgba(37,99,235,.25); }
.stat-icon { font-size: 1.5rem; }
.stat-value { font-size: 1.6rem; font-weight: 700; color: var(--white); line-height: 1; }
.stat-label { font-size: .72rem; color: var(--gray-300); }

.call-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 12px;
  background: rgba(251,191,36,.07);
  border: 1px solid rgba(251,191,36,.18);
  border-radius: var(--radius-sm);
}
.call-badge { font-size: .8rem; font-weight: 600; }
.call-badge--active { color: var(--yellow); }
.call-duration { font-size: .8rem; color: var(--gray-300); font-variant-numeric: tabular-nums; }

.extension-list { display: flex; flex-direction: column; gap: 6px; }
.ext-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  background: var(--gray-700);
}
.ext-item--online { border-left: 3px solid var(--yellow); }
.ext-item--idle   { border-left: 3px solid var(--accent); }
.ext-num  { font-size: .85rem; font-weight: 700; color: var(--white); min-width: 32px; }
.ext-name { font-size: .85rem; color: var(--gray-300); flex: 1; }
.ext-status {
  font-size: .72rem;
  padding: 2px 8px;
  border-radius: 100px;
  background: rgba(255,255,255,.07);
  color: var(--gray-300);
}

.service-badge {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: .75rem;
  color: var(--accent);
  padding: 6px 10px;
  background: rgba(6,214,160,.07);
  border-radius: var(--radius-sm);
  border: 1px solid rgba(6,214,160,.2);
}

.dot--pulse {
  animation: pulse 1.5s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%       { opacity: .5; transform: scale(1.3); }
}

/* ── Features ──────────────────────────────────────────── */
.features { background: var(--gray-900); }

.features__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.feature-card {
  background: var(--gray-800);
  border: 1px solid rgba(255,255,255,.07);
  border-radius: var(--radius);
  padding: 28px 24px;
  transition: border-color var(--transition), transform var(--transition);
}
.feature-card:hover {
  border-color: rgba(37,99,235,.4);
  transform: translateY(-3px);
}
.feature-card--highlight {
  border-color: rgba(6,214,160,.3);
  background: linear-gradient(135deg, rgba(6,214,160,.06), var(--gray-800));
}
.feature-icon { font-size: 2rem; margin-bottom: 14px; }
.feature-card h3 { font-size: 1rem; font-weight: 700; color: var(--white); margin-bottom: 8px; }
.feature-card p  { font-size: .9rem; color: var(--gray-300); }

/* ── How It Works ──────────────────────────────────────── */
.how-it-works { background: var(--blue-900); }

.steps {
  display: flex;
  align-items: flex-start;
  gap: 0;
  justify-content: center;
}

.step {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  max-width: 280px;
  flex: 1;
}

.step__number {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: var(--blue-500);
  color: var(--white);
  font-size: 1.3rem;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
  flex-shrink: 0;
  box-shadow: 0 0 0 6px rgba(37,99,235,.15);
}

.step__content h3 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 8px;
}
.step__content p { font-size: .9rem; color: var(--gray-300); }
.step__content code {
  background: var(--gray-700);
  padding: 1px 6px;
  border-radius: 4px;
  font-size: .85rem;
  color: var(--accent);
}

.step__connector {
  height: 2px;
  flex: 1;
  background: linear-gradient(90deg, var(--blue-600), var(--blue-700));
  margin-top: 25px;
  max-width: 80px;
}

/* ── Pricing ───────────────────────────────────────────── */
.pricing { background: var(--gray-900); }

.pricing__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  align-items: start;
}

.plan {
  background: var(--gray-800);
  border: 1px solid rgba(255,255,255,.08);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  position: relative;
  transition: transform var(--transition);
}
.plan:hover { transform: translateY(-4px); }

.plan--featured {
  border-color: var(--blue-500);
  background: linear-gradient(160deg, rgba(37,99,235,.1), var(--gray-800));
  box-shadow: 0 0 0 1px var(--blue-500), var(--shadow-lg);
}

.plan__badge {
  position: absolute;
  top: -13px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--blue-500);
  color: var(--white);
  font-size: .72rem;
  font-weight: 700;
  padding: 4px 16px;
  border-radius: 100px;
  letter-spacing: .05em;
  text-transform: uppercase;
  white-space: nowrap;
}

.plan__name {
  font-size: .85rem;
  font-weight: 600;
  color: var(--blue-300);
  text-transform: uppercase;
  letter-spacing: .08em;
  margin-bottom: 12px;
}

.plan__price {
  font-size: 1.1rem;
  color: var(--gray-300);
  margin-bottom: 2px;
}
.plan__value { font-size: 2.6rem; font-weight: 800; color: var(--white); }
.plan__period { font-size: .8rem; color: var(--gray-600); margin-bottom: 24px; }

.plan__features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 28px;
}
.plan__features li { font-size: .9rem; color: var(--gray-300); }
.plan__features li.disabled { color: var(--gray-600); }

.pricing__note {
  text-align: center;
  font-size: .875rem;
  color: var(--gray-600);
  margin-top: 32px;
}
.pricing__note a { color: var(--blue-400); }

.pricing__contact {
  text-align: center;
  padding: 48px 16px;
}
.pricing__contact p {
  font-size: 1.125rem;
  color: var(--gray-600);
  margin-bottom: 24px;
}

/* ── Requirements ──────────────────────────────────────── */
.requirements { background: var(--blue-900); }

.req-box {
  background: var(--gray-800);
  border: 1px solid rgba(255,255,255,.08);
  border-radius: var(--radius-lg);
  padding: 40px;
}
.req-box h2 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 28px;
  text-align: center;
}
.req-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.req-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
}
.req-icon { font-size: 1.8rem; flex-shrink: 0; }
.req-item strong { display: block; color: var(--white); font-size: .9rem; margin-bottom: 4px; }
.req-item span   { font-size: .82rem; color: var(--gray-300); }

/* ── FAQ ───────────────────────────────────────────────── */
.faq { background: var(--gray-900); }

.faq__list { max-width: 720px; margin: 0 auto; display: flex; flex-direction: column; gap: 12px; }

.faq__item {
  background: var(--gray-800);
  border: 1px solid rgba(255,255,255,.07);
  border-radius: var(--radius);
  overflow: hidden;
}

.faq__item summary {
  padding: 18px 20px;
  font-size: .95rem;
  font-weight: 600;
  color: var(--white);
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  user-select: none;
}
.faq__item summary::-webkit-details-marker { display: none; }
.faq__item summary::after {
  content: '+';
  font-size: 1.3rem;
  color: var(--blue-400);
  transition: transform var(--transition);
  flex-shrink: 0;
}
.faq__item[open] summary::after { transform: rotate(45deg); }

.faq__item p {
  padding: 0 20px 18px;
  font-size: .9rem;
  color: var(--gray-300);
}

/* ── CTA Final ─────────────────────────────────────────── */
.cta-final {
  background: linear-gradient(135deg, var(--blue-700) 0%, var(--blue-900) 100%);
  text-align: center;
}
.cta-final__inner h2 {
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  font-weight: 800;
  color: var(--white);
  margin-bottom: 12px;
}
.cta-final__inner p {
  color: var(--blue-300);
  margin-bottom: 32px;
  font-size: 1.05rem;
}

/* ── Footer ────────────────────────────────────────────── */
.footer {
  background: var(--blue-900);
  border-top: 1px solid rgba(255,255,255,.06);
  padding: 52px 0 0;
}
.footer__inner {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 48px;
  padding-bottom: 40px;
}
.footer__brand { display: flex; flex-direction: column; gap: 6px; }
.footer__brand .brand-name { font-size: 1.05rem; }
.footer__brand p { font-size: .85rem; color: var(--gray-600); }

.footer__links {
  display: flex;
  gap: 48px;
}
.footer__links > div {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.footer__links strong { color: var(--gray-300); font-size: .85rem; text-transform: uppercase; letter-spacing: .06em; }
.footer__links a { font-size: .875rem; color: var(--gray-600); }
.footer__links a:hover { color: var(--gray-300); }

.footer__bottom {
  border-top: 1px solid rgba(255,255,255,.05);
  padding: 16px 0;
  text-align: center;
}
.footer__bottom span { font-size: .8rem; color: var(--gray-600); }

/* ══════════════════════════════════════
   RESPONSIVE
══════════════════════════════════════ */
@media (max-width: 1024px) {
  .features__grid { grid-template-columns: repeat(2, 1fr); }
  .req-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .navbar__links { display: none; }
  .navbar__inner > .btn { display: none; }
  .navbar__burger { display: flex; }

  .hero__inner { grid-template-columns: 1fr; gap: 48px; }
  .hero { padding: 72px 0 56px; }

  .features__grid { grid-template-columns: 1fr; }
  .pricing__grid  { grid-template-columns: 1fr; }
  .req-grid       { grid-template-columns: 1fr 1fr; }

  .steps {
    flex-direction: column;
    align-items: center;
    gap: 24px;
  }
  .step__connector {
    width: 2px;
    height: 32px;
    flex: none;
    max-width: none;
    margin-top: 0;
    background: linear-gradient(180deg, var(--blue-600), var(--blue-700));
  }

  .footer__inner { grid-template-columns: 1fr; }
  .footer__links { flex-wrap: wrap; gap: 28px; }
}

@media (max-width: 480px) {
  .hero__ctas { flex-direction: column; }
  .req-grid   { grid-template-columns: 1fr; }
  .stat-row   { grid-template-columns: 1fr; }
  .req-box    { padding: 24px; }
}