*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --c-bg: #ffffff;
  --c-surface: #f8f9fc;
  --c-border: #e8eaf0;
  --c-primary: #4361ee;
  --c-primary-dark: #2f4acc;
  --c-primary-light: #eef1fd;
  --c-accent: #3a86ff;
  --c-text: #111827;
  --c-muted: #6b7280;
  --c-danger: #ef4444;
  --c-green: #10b981;
  --c-beta: #f59e0b;
  --radius: 16px;
  --radius-sm: 10px;
  --shadow: 0 4px 24px rgba(0,0,0,.06);
  --shadow-md: 0 8px 40px rgba(0,0,0,.10);
}

html { scroll-behavior: smooth; }
body {
  font-family: 'Apple SD Gothic Neo', -apple-system, BlinkMacSystemFont, 'Pretendard', 'Noto Sans KR', sans-serif;
  background: var(--c-bg);
  color: var(--c-text);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

/* ── Layout ── */
.container { max-width: 1100px; margin: 0 auto; padding: 0 24px; }
section { padding: 96px 0; }

/* ── Nav ── */
nav {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255,255,255,.88);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--c-border);
}
.nav-inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 64px; max-width: 1100px; margin: 0 auto; padding: 0 24px;
}
.logo {
  font-size: 1.25rem; font-weight: 800; letter-spacing: -.02em;
  color: var(--c-primary); text-decoration: none;
}
.logo span { color: var(--c-text); }
/* ── Nav live counter ── */
.nav-live {
  display: inline-flex; align-items: center; gap: 10px;
  background: #fff;
  border: 1.5px solid rgba(67,97,238,.18);
  padding: 8px 16px 8px 12px;
  border-radius: 999px;
  font-size: .82rem; font-weight: 600;
  color: var(--c-text);
  box-shadow: 0 2px 12px rgba(67,97,238,.08);
  cursor: default;
  user-select: none;
}
.live-pulse {
  position: relative;
  width: 9px; height: 9px; flex-shrink: 0;
}
.live-pulse::before {
  content: '';
  position: absolute; inset: 0;
  border-radius: 50%;
  background: #22c55e;
}
.live-pulse::after {
  content: '';
  position: absolute;
  inset: -4px;
  border-radius: 50%;
  background: #22c55e;
  opacity: .35;
  animation: livePulse 1.6s ease-out infinite;
}
@keyframes livePulse {
  0%   { transform: scale(1);   opacity: .4; }
  100% { transform: scale(2.6); opacity: 0; }
}
.live-badge { display: none; }
.live-text {
  color: var(--c-muted);
  font-weight: 500;
}
.live-count-wrap {
  display: inline-flex; align-items: baseline; gap: 2px;
}
.live-num {
  font-size: 1.05rem; font-weight: 800;
  color: var(--c-primary);
  display: inline-block;
  min-width: 1.8ch;
  text-align: right;
  transition: color .3s;
}
.live-num.bump {
  animation: numBump .45s ease;
  color: #22c55e;
}
@keyframes numBump {
  0%   { transform: translateY(0);   }
  35%  { transform: translateY(-5px); }
  70%  { transform: translateY(1px);  }
  100% { transform: translateY(0);   }
}
.live-unit { color: var(--c-muted); font-size: .82rem; font-weight: 600; }
/* phone ticker */
.live-phone {
  font-size: .88rem; font-weight: 700; color: var(--c-text);
  display: inline-flex;
  align-items: center;
  overflow: hidden;
  height: 1.4em;
  line-height: 1.4;
}
.live-phone-text {
  display: inline-block;
  line-height: 1.4;
  white-space: nowrap;
}
.live-phone-text b { color: #111; font-weight: 900; }
.live-phone-text .live-suffix { color: var(--c-muted); font-weight: 600; }
.live-phone-text.slide-out {
  animation: phoneOut .35s cubic-bezier(.4,0,1,1) forwards;
}
.live-phone-text.slide-in {
  animation: phoneIn .38s cubic-bezier(0,0,.2,1) forwards;
}
@keyframes phoneOut {
  0%   { transform: translateY(0);     opacity: 1; }
  100% { transform: translateY(-110%); opacity: 0; }
}
@keyframes phoneIn {
  0%   { transform: translateY(110%);  opacity: 0; }
  100% { transform: translateY(0);     opacity: 1; }
}

/* ── Buttons ── */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 14px 28px; border-radius: var(--radius-sm);
  font-size: 1rem; font-weight: 600; text-decoration: none; cursor: pointer;
  transition: all .15s; border: none;
}
.btn-primary { background: var(--c-primary); color: #fff; }
.btn-primary:hover { background: var(--c-primary-dark); transform: translateY(-1px); box-shadow: 0 6px 20px rgba(67,97,238,.3); }
.btn-outline { background: transparent; color: var(--c-primary); border: 2px solid var(--c-primary); }
.btn-outline:hover { background: var(--c-primary-light); }
.btn-white { background: #fff; color: var(--c-primary); }
.btn-white:hover { background: #f0f4ff; transform: translateY(-1px); }
.btn-outline-white { background: transparent; color: #fff; border: 2px solid rgba(255,255,255,.6); }
.btn-outline-white:hover { background: rgba(255,255,255,.1); }

/* ── Tags ── */
.tag {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: .75rem; font-weight: 700; letter-spacing: .06em; text-transform: uppercase;
  padding: 5px 12px; border-radius: 999px;
}
.tag-primary { background: var(--c-primary-light); color: var(--c-primary); }
.tag-beta { background: #fef3c7; color: #92400e; }
.tag-dot { width: 7px; height: 7px; border-radius: 50%; background: currentColor; display: inline-block; }

/* ── Section labels ── */
.section-label {
  font-size: .8rem; font-weight: 700; letter-spacing: .1em; text-transform: uppercase;
  color: var(--c-primary); margin-bottom: 14px;
}
.section-title {
  font-size: clamp(1.75rem, 4vw, 2.75rem); font-weight: 800; line-height: 1.25;
  letter-spacing: -.03em; margin-bottom: 20px;
}
.section-desc { font-size: 1.05rem; color: var(--c-muted); line-height: 1.75; max-width: 600px; }
.text-center { text-align: center; }
.text-center .section-desc { margin: 0 auto; }

/* ══════════════════════════════════
   1. HERO
══════════════════════════════════ */
#hero {
  padding: 72px 0 64px;
  background: linear-gradient(160deg, #f0f4ff 0%, #ffffff 60%);
}
.hero-inner { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; }
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--c-primary-light); color: var(--c-primary);
  padding: 7px 14px; border-radius: 999px;
  font-size: .8rem; font-weight: 700; letter-spacing: .05em;
  margin-bottom: 24px;
}
.hero-badge-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--c-primary); animation: pulse 1.6s ease-in-out infinite; }
@keyframes pulse { 0%,100%{opacity:1} 50%{opacity:.3} }
.hero-title {
  font-size: clamp(2rem, 5vw, 3.25rem); font-weight: 900;
  line-height: 1.2; letter-spacing: -.04em; margin-bottom: 24px;
}
.hero-title .highlight { color: var(--c-primary); }
.hero-desc { font-size: 1.1rem; color: var(--c-muted); line-height: 1.8; margin-bottom: 12px; }
.hero-sub { font-size: .9rem; color: var(--c-muted); margin-top: 20px; }
.hero-ctas { display: flex; flex-wrap: wrap; gap: 12px; margin: 32px 0; }
.hero-call-list { display: grid; grid-template-columns: repeat(3,1fr); gap: 10px; margin: 32px 0; }
.hero-call-item {
  display: flex; flex-direction: column; align-items: center; gap: 10px;
  background: #fff; border: 1px solid rgba(0,0,0,.07);
  border-radius: 18px; padding: 18px 14px;
  box-shadow: 0 2px 12px rgba(0,0,0,.07), 0 1px 2px rgba(0,0,0,.04);
  transition: box-shadow .2s, transform .2s;
}
.hero-call-item:hover { box-shadow: 0 6px 24px rgba(0,0,0,.12); transform: translateY(-2px); }
.hero-call-info { display: flex; flex-direction: column; align-items: center; gap: 4px; width: 100%; text-align: center; }
.hero-call-campaign { font-size: .82rem; font-weight: 600; color: #1c1c1e; line-height: 1.3; word-break: keep-all; }
.hero-call-num {
  font-size: .68rem; color: #3a3a3c; letter-spacing: .04em; font-weight: 500;
  background: rgba(0,0,0,.06); border-radius: 6px;
  padding: 2px 8px; display: inline-block; white-space: nowrap;
}
.btn-call {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  width: auto; padding: 9px 20px; border-radius: 12px; border: none; cursor: pointer;
  font-size: .78rem; font-weight: 590; white-space: nowrap;
  background: #34c759 !important;
  color: #fff; text-decoration: none; letter-spacing: -.01em;
  box-shadow: 0 2px 8px rgba(52,199,89,.35);
  transition: filter .15s, transform .1s;
}
.btn-call::before { content: ''; display: inline-block; width: 14px; height: 14px;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='white'%3E%3Cpath d='M6.62 10.79a15.05 15.05 0 0 0 6.59 6.59l2.2-2.2a1 1 0 0 1 1.02-.24 11.36 11.36 0 0 0 3.57.57 1 1 0 0 1 1 1V20a1 1 0 0 1-1 1A17 17 0 0 1 3 4a1 1 0 0 1 1-1h3.5a1 1 0 0 1 1 1c0 1.25.2 2.45.57 3.57a1 1 0 0 1-.25 1.02l-2.2 2.2z'/%3E%3C/svg%3E") center/contain no-repeat;
}
.btn-call:hover { filter: brightness(1.08); }
.btn-call:active { transform: scale(.97); filter: brightness(.96); }
.btn-call {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 7px 14px; border-radius: 999px; border: none; cursor: pointer;
  font-size: .75rem; font-weight: 700; white-space: nowrap;
  background: linear-gradient(135deg, var(--c-primary), var(--c-accent));
  color: #fff; text-decoration: none;
  transition: opacity .2s, transform .1s;
}
.btn-call:hover { opacity: .88; }
.btn-call:active { transform: scale(.96); }

/* ── Flow Call Profile ── */
.mcp-wrap { position: relative; }
.mcp-glow {
  position: absolute; inset: -24px; border-radius: 32px; pointer-events: none;
  background: radial-gradient(ellipse at 60% 40%, rgba(67,97,238,.18) 0%, transparent 65%);
}
.mcp-shell {
  background: #16161f; border-radius: 24px;
  box-shadow: 0 28px 72px rgba(0,0,0,.28), 0 0 0 1px rgba(255,255,255,.06);
  overflow: hidden; position: relative;
}
/* Top bar */
.mcp-topbar {
  padding: 14px 20px; display: flex; align-items: center; justify-content: space-between;
  border-bottom: 1px solid rgba(255,255,255,.10);
}
.mcp-co-name { font-size: .82rem; font-weight: 800; color: #fff; }
.mcp-co-sub { font-size: .68rem; color: rgba(255,255,255,.9); margin-top: 1px; }
.mcp-topbar-badge {
  font-size: .65rem; font-weight: 700; letter-spacing: .05em;
  background: rgba(67,97,238,.45); color: #c0cfff;
  padding: 4px 10px; border-radius: 999px;
}
/* 3-column flow body */
.mcp-flow {
  display: grid; grid-template-columns: 1fr auto 1fr;
  gap: 0; min-height: 300px;
}
/* LEFT — channels */
.mcp-left {
  padding: 18px 14px 18px 18px; min-width: 140px;
  display: flex; flex-direction: column;
}
.mcp-cards-area {
  flex: 1; display: flex; flex-direction: column; gap: 8px; margin-bottom: 8px;
}
.mcp-cards-area .mcp-ch,
.mcp-cards-area .mcp-handler-card { flex: 1; }
.mcp-col-label {
  font-size: .62rem; font-weight: 700; letter-spacing: .09em; text-transform: uppercase;
  color: rgba(255,255,255,.55); margin-bottom: 6px;
}
.mcp-ch {
  border-radius: 10px; padding: 10px 12px;
  border: 1px solid rgba(255,255,255,.10);
  transition: background .2s;
}
.mcp-ch.active {
  background: rgba(67,97,238,.22); border-color: rgba(67,97,238,.65);
}
.mcp-ch.idle { background: rgba(255,255,255,.05); }
.mcp-ch.ch-green { background: rgba(16,185,129,.15); border-color: rgba(16,185,129,.45); }
.mcp-ch.ch-amber { background: rgba(245,158,11,.15); border-color: rgba(245,158,11,.45); }
.mcp-ch-top { display: flex; align-items: center; gap: 7px; margin-bottom: 5px; }
.mcp-ch-dot { width: 7px; height: 7px; border-radius: 50%; flex-shrink: 0; }
.mcp-ring-dot {
  width: 7px; height: 7px; border-radius: 50%; background: var(--c-green); flex-shrink: 0;
  box-shadow: 0 0 0 0 rgba(16,185,129,.6);
  animation: ringPulse 1.4s ease-out infinite;
}
@keyframes ringPulse {
  0% { box-shadow: 0 0 0 0 rgba(16,185,129,.6); }
  70% { box-shadow: 0 0 0 7px rgba(16,185,129,0); }
  100% { box-shadow: 0 0 0 0 rgba(16,185,129,0); }
}
.mcp-ch-num { font-size: .72rem; font-weight: 800; color: #fff; letter-spacing: .01em; white-space: nowrap; }
.mcp-ch-tag {
  font-size: .7rem; color: rgba(255,255,255,.8);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
/* MIDDLE — oolink hub */
.mcp-mid {
  display: flex; flex-direction: column; align-items: center; justify-content: flex-start;
  padding: 0 12px; position: relative; width: 80px;
  border-left: 1px solid rgba(255,255,255,.08);
  border-right: 1px solid rgba(255,255,255,.08);
}
.mcp-hub-wrap {
  display: flex; flex-direction: column; align-items: center;
}
.mcp-hub {
  width: 52px; height: 52px; border-radius: 14px; flex-shrink: 0;
  background: linear-gradient(135deg, var(--c-primary) 0%, var(--c-accent) 100%);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.3rem;
  box-shadow: 0 0 0 6px rgba(67,97,238,.2), 0 0 0 13px rgba(67,97,238,.08);
}
.mcp-hub-label {
  font-size: .72rem; font-weight: 900; color: #c0cfff;
  margin-top: 10px; letter-spacing: .03em; text-align: center; line-height: 1.3;
}
.mcp-hub-pills {
  display: flex; flex-direction: column; gap: 5px; margin-top: 8px; width: 100%;
}
.mcp-hub-pill {
  font-size: .6rem; font-weight: 700; text-align: center; letter-spacing: .04em;
  padding: 3px 6px; border-radius: 6px; white-space: nowrap;
}
.mcp-hub-pill.blue { background: rgba(67,97,238,.35); color: #a8bcff; }
.mcp-hub-pill.green { background: rgba(16,185,129,.25); color: #6ee7b7; }
/* RIGHT — handlers */
.mcp-right {
  padding: 18px 18px 18px 14px; min-width: 140px;
  display: flex; flex-direction: column;
}
.mcp-handler-card {
  border-radius: 11px; padding: 11px 12px;
  border: 1px solid;
  display: flex; flex-direction: column; justify-content: center;
}
.mcp-handler-card.card-a {
  background: rgba(67,97,238,.16); border-color: rgba(67,97,238,.45);
}
.mcp-handler-card.card-b {
  background: rgba(245,158,11,.12); border-color: rgba(245,158,11,.38);
}
.mcp-handler-top { display: flex; align-items: center; gap: 9px; }
.mcp-avatar {
  width: 32px; height: 32px; border-radius: 50%; flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
  font-size: .8rem; font-weight: 800; color: #fff;
}
.mcp-avatar.av-a { background: linear-gradient(135deg, #4361ee, #3a86ff); }
.mcp-avatar.av-b { background: linear-gradient(135deg, #f59e0b, #f97316); }
.mcp-handler-name { font-size: .82rem; font-weight: 800; color: #fff; line-height: 1.2; white-space: nowrap; }
.mcp-handler-phone { font-size: .7rem; color: rgba(255,255,255,.8); margin-top: 2px; letter-spacing: .02em; white-space: nowrap; }
.mcp-handler-channels {
  margin-top: 12px; display: flex; gap: 4px; flex-wrap: wrap;
}
.mcp-ch-pill {
  font-size: .6rem; font-weight: 700; padding: 2px 7px; border-radius: 999px;
}
.mcp-ch-pill.active { background: rgba(16,185,129,.3); color: #6ee7b7; }
.mcp-ch-pill.idle { background: rgba(255,255,255,.08); color: rgba(255,255,255,.8); }
.mcp-privacy-note {
  padding: 10px 12px; min-height: 80px;
  background: rgba(255,255,255,.04); border: 1px solid rgba(255,255,255,.08);
  border-radius: 8px;
  font-size: .72rem; color: rgba(255,255,255,.75); text-align: center; line-height: 1.6; word-break: keep-all;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
}
.mcp-privacy-note strong { color: #a8bcff; font-weight: 700; }

/* ══════════════════════════════════
   HOW IT WORKS
══════════════════════════════════ */
#how-it-works { background: var(--c-surface); padding: 96px 0; }
.hiw-flow {
  display: grid;
  grid-template-columns: 1fr 36px 1fr 36px 1fr 36px 1fr;
  align-items: start;
  gap: 0;
  margin-top: 56px;
}
.hiw-step {
  display: flex; flex-direction: column; align-items: center; text-align: center;
}
.hiw-img {
  width: 120px; height: 100px; margin-bottom: 20px;
}
.hiw-img svg { width: 100%; height: 100%; }
.hiw-step-num {
  font-size: .68rem; font-weight: 800; letter-spacing: .12em;
  color: var(--c-primary); background: var(--c-primary-light);
  padding: 3px 10px; border-radius: 999px; margin-bottom: 10px;
}
.hiw-step-title {
  font-size: 1rem; font-weight: 800; color: var(--c-text); margin-bottom: 8px; line-height: 1.3;
}
.hiw-step-desc {
  font-size: .82rem; color: var(--c-text-muted); line-height: 1.7; word-break: keep-all;
}
.hiw-arrow {
  display: flex; align-items: flex-start; justify-content: center;
  padding-top: 46px; color: #c7c7cc;
}
.hiw-arrow svg { width: 36px; height: 24px; }

/* ══════════════════════════════════
   2. PROBLEM
══════════════════════════════════ */
#problem { background: #fff; }
.problem-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 16px; margin-top: 48px; }
.problem-item {
  background: #fff; border: 1px solid var(--c-border); border-radius: var(--radius);
  padding: 24px; display: flex; gap: 14px; align-items: center; min-height: 90px;
}
.problem-icon { font-size: 1.25rem; flex-shrink: 0; }
.problem-text { font-size: .95rem; color: var(--c-text); font-weight: 500; line-height: 1.55; }
.problem-cta-box {
  margin-top: 48px; background: var(--c-primary); color: #fff;
  border-radius: var(--radius); padding: 32px 40px;
  display: flex; align-items: center; justify-content: space-between; gap: 24px;
  flex-wrap: wrap;
}
.problem-cta-text { font-size: 1.15rem; font-weight: 700; }

/* ══════════════════════════════════
   3. SOLUTION
══════════════════════════════════ */
.flow-diagram { display: none; }
.flow-node { display: none; }
.flow-arrow { display: none; }
.flow-sub { display: none; }

/* ── NEW solution diagram ── */
#solution { background: var(--c-surface); }
.sol-diagram {
  margin: 56px 0 0;
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px;
}
.sol-source-group {
  background: #f8f9fc; border: 1px solid #e8ecf4;
  border-radius: 16px; padding: 20px 18px;
  display: flex; flex-direction: column; gap: 10px;
}
.sol-group-label {
  font-size: .72rem; font-weight: 800; letter-spacing: .08em; text-transform: uppercase;
  color: var(--c-primary); margin-bottom: 4px;
}
.sol-chip {
  display: flex; align-items: center; justify-content: space-between; gap: 8px;
  background: #fff; border: 1px solid #e8ecf4;
  border-radius: 10px; padding: 9px 12px;
  font-size: .82rem; font-weight: 600; color: #1a1a2e; white-space: nowrap;
}
.sol-chip-num {
  font-size: .65rem; font-weight: 700;
  color: var(--c-primary); background: rgba(67,97,238,.1);
  padding: 2px 7px; border-radius: 999px; white-space: nowrap; letter-spacing: .02em; flex-shrink: 0;
}

/* ══════════════════════════════════
   5. REVIEWS
══════════════════════════════════ */
#usecases { background: #fff; }
.reviews-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 48px;
}
.review-card {
  background: #fff; border: 1px solid var(--c-border); border-radius: var(--radius);
  padding: 24px 22px; display: flex; flex-direction: column; gap: 12px;
  transition: box-shadow .2s, transform .2s;
}
.review-card:hover { box-shadow: var(--shadow-md); transform: translateY(-3px); }
.review-stars { color: #f5a623; font-size: 1rem; letter-spacing: 2px; }
.review-text {
  font-size: .93rem; color: #333; line-height: 1.7; flex: 1;
}
.review-meta { display: flex; align-items: center; gap: 10px; margin-top: 4px; }
.review-avatar {
  width: 36px; height: 36px; border-radius: 50%;
  background: var(--c-primary-light); color: var(--c-primary);
  font-size: .85rem; font-weight: 800;
  display: flex; align-items: center; justify-content: center; flex-shrink: 0;
}
.review-author { font-size: .83rem; font-weight: 700; color: #1a1a2e; }
.review-role { font-size: .75rem; color: var(--c-muted); margin-top: 1px; }
.review-tag {
  display: inline-block; font-size: .68rem; font-weight: 700; letter-spacing: .06em;
  padding: 2px 8px; border-radius: 999px;
  background: var(--c-primary-light); color: var(--c-primary); align-self: flex-start;
}

/* ══════════════════════════════════
   6. FEATURES
══════════════════════════════════ */
#features { background: var(--c-surface); }
.features-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 20px; margin-top: 48px; }
.feature-card {
  background: #fff; border: 1px solid var(--c-border); border-radius: var(--radius); padding: 28px;
  transition: box-shadow .2s, transform .2s;
}
.feature-card:hover { box-shadow: var(--shadow-md); transform: translateY(-3px); }
.feature-icon { font-size: 2rem; margin-bottom: 16px; }
.feature-title { font-size: 1.05rem; font-weight: 800; margin-bottom: 8px; }
.feature-desc { font-size: .9rem; color: var(--c-muted); line-height: 1.65; }
.feature-example { font-size: .8rem; color: var(--c-primary); font-weight: 600; margin-top: 10px; }

/* ══════════════════════════════════
   7. BETA
══════════════════════════════════ */
.beta-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; margin-top: 48px; }
.beta-card {
  background: #fff; border: 1px solid var(--c-border); border-radius: var(--radius); padding: 32px;
  position: relative; overflow: hidden;
}
.beta-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: linear-gradient(90deg, var(--c-beta), #f97316);
}
.beta-tag {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: .72rem; font-weight: 700; letter-spacing: .07em; text-transform: uppercase;
  color: #92400e; background: #fef3c7; padding: 4px 10px; border-radius: 999px; margin-bottom: 20px;
  align-self: center;
}
.beta-title { font-size: 1.2rem; font-weight: 800; margin-bottom: 12px; }
.beta-desc { font-size: .9rem; color: var(--c-muted); line-height: 1.7; margin-bottom: 20px; }
.beta-examples { display: flex; flex-direction: row; flex-wrap: wrap; gap: 7px; }
.beta-example {
  font-size: .82rem; color: var(--c-primary); font-weight: 600;
  padding: 5px 14px; background: var(--c-primary-light); border-radius: 999px;
}
.beta-note {
  margin-top: 16px; padding: 12px 16px;
  background: #fffbeb; border: 1px solid #fde68a; border-radius: 8px;
  font-size: .8rem; color: #78350f; line-height: 1.6;
}

/* ══════════════════════════════════
   8. EXPANSION
══════════════════════════════════ */
#expansion { background: #fff; }
.expansion-layout {
  display: grid; grid-template-columns: 1fr 1fr; gap: 48px;
  margin-top: 48px; align-items: start;
}
.expansion-right { display: flex; flex-direction: column; gap: 20px; }
.expansion-flow {
  display: flex; flex-direction: column; align-items: center;
  gap: 0;
}
.exp-node {
  width: 100%; background: #fff; border: 2px solid var(--c-border);
  border-radius: var(--radius-sm); padding: 18px 24px;
  display: flex; align-items: center; justify-content: space-between;
  font-weight: 700; font-size: .95rem; transition: all .2s;
}
.exp-node.current { border-color: var(--c-primary); color: var(--c-primary); background: var(--c-primary-light); }
.exp-node.beta { border-style: dashed; color: var(--c-muted); }
.exp-node.future { border-style: dashed; color: var(--c-muted); opacity: .6; }
.exp-badge {
  font-size: .7rem; font-weight: 700; letter-spacing: .05em;
  padding: 3px 9px; border-radius: 999px;
}
.exp-badge.current { background: var(--c-primary); color: #fff; }
.exp-badge.beta { background: #fef3c7; color: #92400e; }
.exp-badge.future { background: var(--c-surface); color: var(--c-muted); }
.exp-arrow { font-size: 1.1rem; color: var(--c-muted); margin: 6px 0; text-align: center; width: 100%; }

/* ══════════════════════════════════
   9. PRICING
══════════════════════════════════ */
.pricing-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-top: 48px; }
.price-card {
  border: 1px solid var(--c-border); border-radius: var(--radius); padding: 32px;
  background: #fff; position: relative; transition: box-shadow .2s;
}
.price-card:hover { box-shadow: var(--shadow-md); }
.price-card.featured {
  border-color: var(--c-primary); border-width: 2px;
  background: linear-gradient(160deg, #f0f4ff, #fff);
}
.price-popular {
  position: absolute; top: -14px; left: 50%; transform: translateX(-50%);
  background: var(--c-primary); color: #fff;
  font-size: .72rem; font-weight: 700; letter-spacing: .06em; text-transform: uppercase;
  padding: 5px 14px; border-radius: 999px; white-space: nowrap;
}
.price-name { font-size: .85rem; font-weight: 700; color: var(--c-muted); margin-bottom: 8px; letter-spacing: .04em; text-transform: uppercase; }
.price-name-badge {
  position: absolute; top: 20px; right: 20px;
  font-size: .75rem; font-weight: 800; padding: 6px 14px; border-radius: 999px; white-space: nowrap;
  letter-spacing: .04em;
}
.price-name-badge.discount { background: #fef3c7; color: #92400e; border: 1.5px solid #fcd34d; }
.price-name-badge.free { background: #dcfce7; color: #15803d; border: 1.5px solid #86efac; }
.price-amount {
  font-size: 2.5rem; font-weight: 900; letter-spacing: -.04em;
  color: var(--c-text); margin-bottom: 4px;
  display: flex; align-items: baseline; gap: 10px; line-height: 1;
}
.price-currency { font-size: 1.3rem; font-weight: 700; }
.price-period { font-size: 1rem; color: var(--c-muted); font-weight: 600; }
.price-annual-note { font-size: .78rem; color: var(--c-muted); margin-bottom: 16px; }
.price-save { font-size: .8rem; color: var(--c-green); font-weight: 600; margin-bottom: 20px; }
.price-desc { font-size: .875rem; color: var(--c-muted); line-height: 1.65; margin-bottom: 24px; padding-bottom: 24px; border-bottom: 1px solid var(--c-border); }
.price-includes { font-size: .75rem; font-weight: 700; letter-spacing: .07em; text-transform: uppercase; color: var(--c-muted); margin-bottom: 12px; }
.price-features { list-style: none; display: flex; flex-direction: column; gap: 10px; margin-bottom: 28px; }
.price-features li { font-size: .875rem; display: flex; align-items: flex-start; gap: 8px; }
.price-features li::before { content: '✓'; color: var(--c-green); font-weight: 700; flex-shrink: 0; }
.price-beta-note { font-size: .78rem; color: var(--c-muted); text-align: center; margin-top: 16px; }
.pricing-add-on {
  margin-top: 24px; padding: 24px 32px;
  background: var(--c-surface); border: 1px solid var(--c-border); border-radius: var(--radius);
  display: flex; align-items: center; justify-content: space-between; gap: 24px; flex-wrap: wrap;
}
.addon-text { font-size: .95rem; }
.addon-text strong { font-weight: 700; }
.addon-badge {
  font-size: .8rem; font-weight: 700; color: var(--c-muted);
  background: #fff; border: 1px solid var(--c-border); padding: 6px 14px; border-radius: 999px;
}

/* ══════════════════════════════════
   10. BENEFITS
══════════════════════════════════ */
.benefits-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 20px; margin-top: 48px; }
.benefit-card {
  padding: 28px; border-radius: var(--radius);
  background: #fff; border: 1px solid var(--c-border);
}
.benefit-num {
  font-size: .75rem; font-weight: 800; letter-spacing: .1em; color: var(--c-primary);
  margin-bottom: 12px;
}
.benefit-title { font-size: 1rem; font-weight: 800; margin-bottom: 8px; }
.benefit-desc { font-size: .875rem; color: var(--c-muted); line-height: 1.65; }

/* ══════════════════════════════════
   11. FAQ
══════════════════════════════════ */
#faq { background: var(--c-surface); }
.faq-list { margin-top: 48px; display: flex; flex-direction: column; gap: 12px; max-width: 760px; margin-left: auto; margin-right: auto; }
.faq-item {
  background: #fff; border: 1px solid var(--c-border); border-radius: var(--radius);
  overflow: hidden;
}
.faq-q {
  width: 100%; text-align: left; padding: 20px 24px;
  background: none; border: none; cursor: pointer;
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  font-size: .975rem; font-weight: 700; color: var(--c-text);
  font-family: inherit;
}
.faq-q:hover { background: var(--c-surface); }
.faq-icon {
  flex-shrink: 0; width: 24px; height: 24px; border-radius: 50%;
  background: var(--c-primary-light); color: var(--c-primary);
  display: flex; align-items: center; justify-content: center;
  font-size: 1rem; font-weight: 700; transition: transform .2s;
}
.faq-item.open .faq-icon { transform: rotate(45deg); }
.faq-a {
  max-height: 0; overflow: hidden;
  transition: max-height .3s ease, padding .3s;
  font-size: .9rem; color: var(--c-muted); line-height: 1.75;
  padding: 0 24px;
}
.faq-item.open .faq-a { max-height: 200px; padding: 16px 24px 20px; }

/* ══════════════════════════════════
   12. CTA FINAL
══════════════════════════════════ */
#cta-final {
  background: linear-gradient(135deg, #2d3a8c 0%, var(--c-primary) 60%, var(--c-accent) 100%);
  color: #fff; text-align: center;
}
#cta-final .section-title { color: #fff; }
#cta-final .section-desc { color: rgba(255,255,255,.8); margin: 0 auto 40px; }
.cta-buttons { display: flex; justify-content: center; gap: 16px; flex-wrap: wrap; }
.cta-bottom-note { margin-top: 32px; font-size: .875rem; color: rgba(255,255,255,.55); }

/* ── Footer ── */
footer {
  background: #0f1117; color: rgba(255,255,255,.45);
  padding: 48px 0;
}
.footer-inner {
  max-width: 1100px; margin: 0 auto; padding: 0 24px;
  display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 16px;
}
.footer-logo { font-size: 1.1rem; font-weight: 800; color: rgba(255,255,255,.8); }
.footer-copy { font-size: .82rem; }

/* ══════════════════════════════════
   TABLET  (max 1024px)
══════════════════════════════════ */
@media (max-width: 1024px) {
  .hero-inner { gap: 40px; }
  .hiw-flow { grid-template-columns: 1fr 28px 1fr 28px 1fr 28px 1fr; }
  .hiw-img { width: 96px; height: 80px; }
  .hiw-step-title { font-size: .9rem; }
  .hiw-step-desc { font-size: .78rem; }
  .sol-diagram { gap: 16px; }
  .reviews-grid { grid-template-columns: repeat(2, 1fr); }
  .expansion-layout { gap: 32px; }
  .pricing-grid { gap: 16px; }
}

/* ══════════════════════════════════
   MOBILE  (max 768px)
══════════════════════════════════ */
@media (max-width: 768px) {
  section { padding: 56px 0; }
  #hero { padding: 40px 0 36px; }
  .container { padding: 0 20px; }

  /* nav */
  .live-text { display: none; }
  .nav-live { padding: 7px 12px; gap: 7px; }

  /* hero */
  .hero-inner { grid-template-columns: 1fr; gap: 40px; }
  .hero-title { font-size: 2rem; }
  .hero-desc { font-size: 1rem; }
  .hero-call-list { grid-template-columns: 1fr; gap: 12px; }
  .hero-call-item { flex-direction: row; justify-content: space-between; align-items: center; padding: 14px 16px; }
  .hero-call-info { align-items: flex-start; text-align: left; }
  .mcp-wrap { max-width: 100%; }
  .mcp-flow { grid-template-columns: 1fr auto 1fr; min-height: auto; }
  .mcp-left, .mcp-right { min-width: 0; }

  /* how it works */
  .hiw-flow {
    grid-template-columns: 1fr;
    gap: 0;
  }
  .hiw-arrow {
    transform: rotate(90deg);
    margin: 8px auto;
    display: block;
    width: 36px;
  }
  .hiw-step { flex-direction: row; text-align: left; gap: 16px; align-items: flex-start; }
  .hiw-img { width: 64px; height: 56px; flex-shrink: 0; margin-bottom: 0; }

  /* problem */
  .problem-grid { grid-template-columns: 1fr; }
  .problem-cta-box { flex-direction: column; gap: 12px; text-align: center; }

  /* solution */
  .sol-diagram { grid-template-columns: 1fr; }

  /* reviews */
  .reviews-grid { grid-template-columns: 1fr; }

  /* expansion */
  .expansion-layout { grid-template-columns: 1fr; }

  /* pricing */
  .compare-grid, .beta-grid, .pricing-grid { grid-template-columns: 1fr; }
  .pricing-add-on { flex-direction: column; gap: 12px; }
  .price-name-badge { top: 16px; right: 16px; }

  /* benefits */
  .benefits-grid { grid-template-columns: 1fr; }

  /* features */
  .features-grid { grid-template-columns: 1fr; }

  /* section title */
  .section-title { font-size: 1.75rem; }

  /* uc-content */
  .uc-content.active { grid-template-columns: 1fr; }

  /* faq */
  .faq-list { max-width: 100%; }
}

/* ══════════════════════════════════
   SMALL MOBILE  (max 480px)
══════════════════════════════════ */
@media (max-width: 480px) {
  section { padding: 48px 0; }
  .hero-title { font-size: 1.75rem; }
  .section-title { font-size: 1.5rem; }
  .price-amount { font-size: 2rem; }
  .mcp-ch, .mcp-handler-card { font-size: .7rem; padding: 6px 8px; }
  .mcp-mid { width: 60px; }
  .sol-chip { font-size: .75rem; }
  .review-card { padding: 18px 16px; }
  .beta-card { padding: 20px 16px; }
  .price-card { padding: 24px 20px; }
  .hiw-step { gap: 12px; }
  .hiw-img { width: 52px; height: 48px; }
}