/* ============================================
   Arcio Landing Page Styles
   ============================================ */

/* ── HERO ── */
.hero {
  background: var(--hero-bg);
  padding: 96px 0 0;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute; top: -80px; left: 50%; transform: translateX(-50%);
  width: 900px; height: 600px;
  background: radial-gradient(ellipse, rgba(13,148,136,.18) 0%, transparent 65%);
  pointer-events: none;
}
.hero-inner { text-align: center; position: relative; z-index: 1; }
.hero-badge {
  display: inline-flex; align-items: center; gap: 7px;
  background: rgba(13,148,136,.12); border: 1px solid rgba(13,148,136,.3);
  border-radius: 100px; padding: 6px 16px; font-size: 13px;
  color: var(--teal-lt); font-weight: 600; margin-bottom: 28px;
}
.hero h1 {
  font-size: clamp(36px, 5.5vw, 64px); letter-spacing: -1.5px;
  max-width: 840px; margin: 0 auto 20px; color: #fff;
}
.hero h1 span {
  background: linear-gradient(135deg, var(--teal-lt), #67e8f9);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.hero-sub {
  font-size: clamp(17px, 2.4vw, 20px); color: var(--hero-muted);
  max-width: 580px; margin: 0 auto 40px; line-height: 1.6;
}
.hero-ctas { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }
.hero-trust { margin-top: 52px; }
.hero-trust-label { font-size: 13px; color: var(--hero-muted); }
.hero-trust-items {
  display: flex; justify-content: center; gap: 28px; flex-wrap: wrap; margin-top: 12px;
}
.trust-item { display: flex; align-items: center; gap: 7px; font-size: 13px; color: var(--hero-muted); }
.trust-check {
  width: 18px; height: 18px; border-radius: 50%;
  background: rgba(13,148,136,.2); border: 1px solid rgba(13,148,136,.4);
  display: flex; align-items: center; justify-content: center; flex-shrink: 0;
  color: var(--teal-lt); font-size: 10px;
}
.trust-check .ico-xs { color: #0d9488; stroke-width: 3; }
.hero-wave {
  margin-top: 64px; display: block; width: 100%;
  fill: var(--bg);
}

/* ── PROBLEM ── */
.problem { padding: 80px 0; background: var(--bg); }
.problem-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; margin-top: 52px; }
.problem-text h2 { font-size: clamp(26px, 3.5vw, 38px); margin-bottom: 16px; color: var(--heading); }
.problem-text p { color: var(--muted); margin-bottom: 14px; }
.problem-list { list-style: none; margin-top: 22px; display: flex; flex-direction: column; gap: 10px; }
.problem-list li {
  display: flex; gap: 12px; align-items: flex-start;
  padding: 14px 16px; background: var(--bg-alt);
  border: 1px solid var(--border); border-radius: var(--radius-sm); font-size: 15px;
}
.problem-list .icon { font-size: 17px; flex-shrink: 0; margin-top: 1px; }
.problem-list .icon .ico-md { color: var(--teal); }
.problem-vis {
  background: var(--bg-alt); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 28px; box-shadow: var(--shadow-md);
}
.problem-vis-title { font-size: 13px; color: var(--muted); margin-bottom: 18px; font-weight: 600; text-transform: uppercase; letter-spacing: .06em; }
.link-graph { position: relative; height: 230px; }
.node {
  position: absolute; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 11px; font-weight: 700; border: 2px solid;
}
.node-home   { width:52px;height:52px; background:#f0fdfa; border-color:var(--teal); color:var(--teal-dark); top:50%;left:50%;transform:translate(-50%,-50%); }
.node-a      { width:40px;height:40px; background:#f8fafc; border-color:#64748b; color:#475569; top:8%;left:14%; }
.node-b      { width:40px;height:40px; background:#f8fafc; border-color:#64748b; color:#475569; top:8%;right:14%; }
.node-c      { width:40px;height:40px; background:#f8fafc; border-color:#64748b; color:#475569; bottom:8%;left:14%; }
.node-d      { width:40px;height:40px; background:#f8fafc; border-color:#64748b; color:#475569; bottom:8%;right:14%; }
.node-orphan { width:36px;height:36px; background:#fef2f2; border-color:#ef4444; color:#dc2626; top:50%;right:6%;transform:translateY(-50%); opacity:.9; }
.arc-svg { position:absolute;top:0;left:0;width:100%;height:100%;pointer-events:none; }
.orphan-warn { margin-top:14px; padding:11px 14px; background:#fef2f2; border:1px solid #fecaca; border-radius:8px; font-size:13px; color:#dc2626; }
.stat-note   { margin-top:10px; padding:11px 14px; background:#f0fdfa; border:1px solid #99f6e4; border-radius:8px; font-size:13px; color:var(--teal-dark); }

/* ── STATS ── */
.stats { padding: 80px 0; background: var(--hero-bg); }
.stats-header { text-align: center; margin-bottom: 52px; }
.stats-header h2 { font-size: clamp(26px, 3.5vw, 38px); margin-bottom: 10px; color: #fff; }
.stats-header p { color: var(--hero-muted); max-width: 520px; margin: 0 auto; }
.stats-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 2px; }
.stat-card {
  background: var(--hero-bg2); padding: 36px 24px; text-align: center;
  border: 1px solid var(--hero-border);
  transition: background .2s;
}
.stat-card:first-child { border-radius: var(--radius) 0 0 var(--radius); }
.stat-card:last-child  { border-radius: 0 var(--radius) var(--radius) 0; }
.stat-card:hover { background: rgba(13,148,136,.08); }
.stat-number {
  font-size: clamp(42px, 5vw, 56px); font-weight: 800; letter-spacing: -2px;
  color: var(--teal-lt); line-height: 1; display: block; margin-bottom: 8px;
}
.stat-label  { font-size: 14px; color: var(--hero-muted); line-height: 1.45; }
.stat-source { font-size: 11px; color: rgba(148,163,184,.4); margin-top: 8px; display: block; }

/* ── HOW IT WORKS ── */
.how { padding: 100px 0; background: var(--bg); border-top: 1px solid var(--border); }
.how-header { text-align: center; margin-bottom: 64px; }
.how-header h2 { font-size: clamp(26px, 3.5vw, 40px); margin-bottom: 10px; color: var(--heading); }
.how-header p { color: var(--muted); max-width: 500px; margin: 0 auto; font-size: 17px; }
.steps { display: flex; flex-direction: column; position: relative; }
.steps::before {
  content: ''; position: absolute; left: 31px; top: 52px; bottom: 52px; width: 2px;
  background: linear-gradient(to bottom, var(--teal), #67e8f9); opacity: .25;
}
.step { display: grid; grid-template-columns: 64px 1fr; gap: 28px; align-items: flex-start; padding: 28px 0; }
.step-num {
  width: 64px; height: 64px; border-radius: 50%;
  background: var(--teal-pale); border: 2px solid rgba(13,148,136,.3);
  display: flex; align-items: center; justify-content: center;
  font-size: 22px; font-weight: 800; color: var(--teal);
  flex-shrink: 0; position: relative; z-index: 1;
}
.step-body h3 { font-size: 21px; margin-bottom: 8px; padding-top: 14px; color: var(--heading); }
.step-body p  { color: var(--muted); font-size: 15px; max-width: 560px; }
.step-detail {
  margin-top: 14px; padding: 13px 15px; background: var(--bg-alt);
  border: 1px solid var(--border); border-left: 3px solid var(--teal);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-size: 14px; color: var(--muted); display: flex; gap: 10px; align-items: flex-start;
}
.step-icon { font-size: 15px; flex-shrink: 0; margin-top: 2px; }
.step-icon .ico-md { color: var(--teal); }

/* ── FEATURES ── */
.features { padding: 100px 0; background: var(--bg-alt); border-top: 1px solid var(--border); }
.features-header { text-align: center; margin-bottom: 60px; }
.features-header h2 { font-size: clamp(26px, 3.5vw, 40px); margin-bottom: 10px; color: var(--heading); }
.features-header p { color: var(--muted); max-width: 500px; margin: 0 auto; }
.features-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 18px; }
.feat-card {
  background: var(--bg); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 28px; box-shadow: var(--shadow-sm);
  transition: box-shadow .2s, transform .2s, border-color .2s;
}
.feat-card:hover { box-shadow: var(--shadow-md); transform: translateY(-3px); border-color: rgba(13,148,136,.3); }
.feat-icon { width: 44px; height: 44px; border-radius: 10px; display: flex; align-items: center; justify-content: center; font-size: 20px; margin-bottom: 14px; }
.feat-icon .ico-xl { color: var(--teal); }
.feat-card h3 { font-size: 16px; margin-bottom: 8px; color: var(--heading); }
.feat-card p  { color: var(--muted); font-size: 14px; line-height: 1.6; }

/* ── COMPARISON ── */
.compare { padding: 90px 0; background: var(--bg); border-top: 1px solid var(--border); }
.compare-header { text-align: center; margin-bottom: 52px; }
.compare-header h2 { font-size: clamp(26px, 3.5vw, 40px); margin-bottom: 10px; color: var(--heading); }
.compare-header p  { color: var(--muted); max-width: 500px; margin: 0 auto; }
.compare-wrap { border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-md); }
.compare-table { width: 100%; border-collapse: collapse; }
.compare-table thead th {
  padding: 16px 20px; text-align: left; font-size: 12px; font-weight: 700;
  letter-spacing: .08em; text-transform: uppercase; color: var(--muted);
  background: var(--bg-alt); border-bottom: 2px solid var(--border);
}
.compare-table thead th.col-arcio { color: var(--teal); background: var(--teal-pale); }
.compare-table tbody tr { border-bottom: 1px solid var(--border); }
.compare-table tbody tr:last-child { border-bottom: none; }
.compare-table tbody tr:hover td { background: #f8fffe; }
.compare-table td { padding: 14px 20px; font-size: 15px; color: var(--muted); }
.compare-table td:first-child { color: var(--text); font-weight: 500; }
.compare-table td.yes { color: var(--green);  font-weight: 600; }
.compare-table td.no  { color: var(--red); }
.compare-table td.mid { color: var(--amber); font-weight: 500; }
td.yes .ico-xs  { color: var(--green); stroke-width: 3; }
td.no  .ico-xs  { color: var(--red); stroke-width: 2.5; }

/* ── PRICING ── */
.pricing { padding: 100px 0; background: var(--bg); border-top: 1px solid var(--border); }
.pricing-header { text-align: center; margin-bottom: 56px; }
.pricing-header h2 { font-size: clamp(26px, 3.5vw, 42px); margin-bottom: 10px; color: var(--heading); }
.pricing-header p  { color: var(--muted); max-width: 460px; margin: 0 auto; }
.pricing-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 20px; max-width: 980px; margin: 0 auto; align-items: start; }
.plan-card {
  background: var(--bg); border: 1.5px solid var(--border); border-radius: var(--radius);
  padding: 32px 28px; box-shadow: var(--shadow-sm); position: relative;
  transition: box-shadow .2s;
}
.plan-card:hover { box-shadow: var(--shadow-md); }
.plan-card.featured {
  border-color: var(--teal);
  box-shadow: var(--shadow-teal);
  background: linear-gradient(170deg, #f0fdfb 0%, var(--bg) 100%);
}
.plan-badge {
  position: absolute; top: -13px; left: 50%; transform: translateX(-50%);
  background: var(--teal); color: #fff; font-size: 12px; font-weight: 700;
  padding: 4px 16px; border-radius: 100px; white-space: nowrap;
  box-shadow: 0 2px 8px rgba(13,148,136,.35);
}
.plan-name  { font-size: 13px; font-weight: 700; text-transform: uppercase; letter-spacing: .1em; color: var(--muted); margin-bottom: 6px; }
.plan-price { font-size: 46px; font-weight: 800; letter-spacing: -2px; color: var(--heading); line-height: 1; margin-bottom: 3px; }
.plan-price span { font-size: 16px; font-weight: 500; color: var(--muted); }
.plan-annual { font-size: 13px; color: var(--muted); margin-bottom: 4px; }
.plan-save { display: inline-block; font-size: 12px; font-weight: 700; color: var(--teal-dark); background: #ccfbf1; border-radius: 100px; padding: 2px 9px; }
.plan-desc { font-size: 14px; color: var(--muted); margin: 14px 0 22px; line-height: 1.55; }
.plan-divider { border: none; border-top: 1px solid var(--border); margin: 0 0 20px; }
.plan-features { list-style: none; display: flex; flex-direction: column; gap: 11px; margin-bottom: 28px; }
.plan-features li { display: flex; gap: 9px; align-items: flex-start; font-size: 14px; }
.pf-i { flex-shrink: 0; margin-top: 2px; font-style: normal; }
.pf-yes { color: var(--teal); font-weight: 700; }
.pf-yes .ico-xs { color: var(--green); stroke-width: 3; }
.pf-no  { color: var(--faint); }
.pf-no  .ico-xs { color: var(--faint); stroke-width: 2.5; }
.dim    { color: var(--muted); }
.pricing-note { text-align: center; margin-top: 28px; font-size: 14px; color: var(--muted); }

/* ── FAQ ── */
.faq { padding: 90px 0; background: var(--bg-alt); border-top: 1px solid var(--border); }
.faq-header { text-align: center; margin-bottom: 52px; }
.faq-header h2 { font-size: clamp(24px, 3.5vw, 38px); margin-bottom: 8px; color: var(--heading); }
.faq-list { max-width: 700px; margin: 0 auto; display: flex; flex-direction: column; gap: 10px; }
.faq-item { background: var(--bg); border: 1px solid var(--border); border-radius: var(--radius-sm); overflow: hidden; box-shadow: var(--shadow-xs); }
.faq-q {
  width: 100%; text-align: left; padding: 17px 20px; background: transparent; border: none;
  cursor: pointer; font-size: 15px; font-weight: 600; color: var(--heading);
  display: flex; justify-content: space-between; align-items: center; gap: 12px;
  font-family: inherit;
}
.faq-q:hover { color: var(--teal); }
.faq-chevron-ico { flex-shrink: 0; transition: transform .22s; color: var(--faint); }
.faq-item.open .faq-chevron-ico { transform: rotate(180deg); }
.faq-item.open { border-color: rgba(13,148,136,.25); }
.faq-a { max-height: 0; overflow: hidden; transition: max-height .3s ease; }
.faq-item.open .faq-a { max-height: 500px; }
.faq-a-inner { padding: 2px 20px 18px; font-size: 15px; color: var(--muted); line-height: 1.65; border-top: 1px solid var(--border); padding-top: 14px; }

/* ── FINAL CTA ── */
.final-cta {
  padding: 96px 0;
  background: var(--hero-bg);
  text-align: center;
  position: relative; overflow: hidden;
}
.final-cta::before {
  content: '';
  position: absolute; bottom: -100px; left: 50%; transform: translateX(-50%);
  width: 800px; height: 500px;
  background: radial-gradient(ellipse, rgba(13,148,136,.2) 0%, transparent 65%);
  pointer-events: none;
}
.final-cta h2 { font-size: clamp(28px, 4.5vw, 50px); letter-spacing: -1px; margin-bottom: 14px; color: #fff; position: relative; z-index: 1; }
.final-cta h2 span {
  background: linear-gradient(135deg, var(--teal-lt), #67e8f9);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.final-cta p { color: var(--hero-muted); font-size: 18px; max-width: 480px; margin: 0 auto 38px; position: relative; z-index: 1; }
.final-ctas { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; position: relative; z-index: 1; }
.final-note { margin-top: 20px; font-size: 13px; color: rgba(148,163,184,.5); position: relative; z-index: 1; }

/* ── RESPONSIVE ── */
@media (max-width: 900px) {
  .problem-grid  { grid-template-columns: 1fr; }
  .problem-vis   { display: none; }
  .stats-grid    { grid-template-columns: repeat(2,1fr); }
  .stat-card:first-child { border-radius: var(--radius) var(--radius) 0 0; }
  .stat-card:last-child  { border-radius: 0 0 var(--radius) var(--radius); }
  .features-grid { grid-template-columns: 1fr 1fr; }
  .pricing-grid  { grid-template-columns: 1fr; max-width: 420px; }
}
@media (max-width: 600px) {
  .features-grid { grid-template-columns: 1fr; }
  .steps::before { display: none; }
  .hero          { padding: 60px 0 0; }
  .compare-wrap  { overflow-x: auto; }
}