/* ═══════════════════════════════════════════════
   HADASOFT — Material-inspired corporate system
   Roboto · elevation · indigo / slate / teal
   ═══════════════════════════════════════════════ */

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

:root {
  /* Surfaces */
  --bg:          #F7F9FC;
  --surface:     #FFFFFF;
  --surface-alt: #EEF2F8;
  --surface-ink: #0F1B2D;   /* dark sections */
  --surface-ink2:#16263D;

  /* Brand */
  --primary:       #1A3A6B;   /* deep corporate indigo */
  --primary-600:   #224B89;
  --primary-300:   #5B7FB5;
  --primary-50:    #E8EEF7;
  --accent:        #00A99D;   /* teal action */
  --accent-600:    #008A80;
  --accent-50:     #E0F5F3;

  /* Text */
  --text:        #16202E;
  --text-2:      #46546A;
  --text-3:      #7C8AA0;
  --on-dark:     #F5F8FC;
  --on-dark-2:   #A9B8CC;

  /* Lines */
  --line:        #DDE4EE;
  --line-2:      #E8EDF4;

  /* Status */
  --live:        #2E9E5B;
  --live-bg:     #E4F4EA;

  /* Elevation (Material) */
  --e1: 0 1px 2px rgba(15,27,45,0.06), 0 1px 3px rgba(15,27,45,0.10);
  --e2: 0 2px 6px rgba(15,27,45,0.08), 0 1px 2px rgba(15,27,45,0.06);
  --e3: 0 6px 16px rgba(15,27,45,0.10), 0 2px 4px rgba(15,27,45,0.06);
  --e4: 0 12px 32px rgba(15,27,45,0.12), 0 4px 8px rgba(15,27,45,0.06);

  --radius:   12px;
  --radius-s: 8px;
  --radius-l: 20px;

  --font: 'Roboto', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --mono: 'Roboto Mono', monospace;

  --max:    1200px;
  --gutter: clamp(1.25rem, 5vw, 3rem);
}

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 16px;
  font-weight: 400;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

/* ───────── APP BAR ───────── */
.appbar {
  position: sticky; top: 0; z-index: 100;
  background: var(--surface);
  box-shadow: var(--e1);
  border-bottom: 1px solid var(--line-2);
}
.appbar-inner {
  max-width: var(--max);
  margin: 0 auto;
  height: 68px;
  padding: 0 var(--gutter);
  display: flex; align-items: center; justify-content: space-between;
  gap: 2rem;
}
.logo {
  display: flex; align-items: center; gap: 0.65rem;
  font-weight: 700; font-size: 1.25rem;
  letter-spacing: -0.01em; color: var(--primary);
}
.logo-mark {
  width: 34px; height: 34px; border-radius: 9px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 130%);
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-weight: 700; font-size: 1.05rem;
  box-shadow: var(--e2);
}
.logo span { color: var(--text); font-weight: 700; }

.navlinks { display: flex; gap: 0.5rem; list-style: none; }
.navlinks a {
  font-size: 0.94rem; font-weight: 500; color: var(--text-2);
  padding: 0.5rem 0.9rem; border-radius: var(--radius-s);
  transition: background 0.15s, color 0.15s;
}
.navlinks a:hover { background: var(--surface-alt); color: var(--text); }
.navlinks a.active { color: var(--primary); background: var(--primary-50); }

.appbar-actions { display: flex; align-items: center; gap: 0.75rem; }

/* ───────── BUTTONS (Material) ───────── */
.btn {
  display: inline-flex; align-items: center; gap: 0.5rem;
  font-family: var(--font);
  font-size: 0.92rem; font-weight: 500;
  letter-spacing: 0.02em;
  padding: 0.7rem 1.4rem;
  border-radius: var(--radius-s);
  border: none; cursor: pointer;
  transition: box-shadow 0.18s, background 0.18s, transform 0.05s;
  white-space: nowrap;
}
.btn:active { transform: translateY(1px); }
.btn-contained {
  background: var(--primary); color: #fff;
  box-shadow: var(--e2);
}
.btn-contained:hover { background: var(--primary-600); box-shadow: var(--e3); }
.btn-accent {
  background: var(--accent); color: #fff;
  box-shadow: var(--e2);
}
.btn-accent:hover { background: var(--accent-600); box-shadow: var(--e3); }
.btn-outlined {
  background: transparent; color: var(--primary);
  border: 1.5px solid var(--primary-300);
}
.btn-outlined:hover { background: var(--primary-50); border-color: var(--primary); }
.btn-text {
  background: transparent; color: var(--primary); padding: 0.6rem 0.8rem;
}
.btn-text:hover { background: var(--primary-50); }
.btn-ondark {
  background: #fff; color: var(--primary);
}
.btn-ondark:hover { background: var(--on-dark); }
.btn .ico { font-size: 1.1rem; line-height: 1; }

/* ───────── LAYOUT ───────── */
.container { max-width: var(--max); margin: 0 auto; padding: 0 var(--gutter); }
.section { padding: clamp(3.5rem, 8vw, 6rem) 0; }
.section-dark { background: var(--surface-ink); color: var(--on-dark); }
.section-alt { background: var(--surface-alt); }

.overline {
  font-size: 0.75rem; font-weight: 600;
  letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--accent-600);
  margin-bottom: 0.85rem;
}
.section-dark .overline { color: var(--accent); }

h1, h2, h3, h4 { font-weight: 700; letter-spacing: -0.02em; line-height: 1.15; }

.h-display {
  font-size: clamp(2.3rem, 5.5vw, 3.75rem);
  font-weight: 700; line-height: 1.08; letter-spacing: -0.025em;
}
.h-section {
  font-size: clamp(1.75rem, 4vw, 2.6rem);
  margin-bottom: 1rem;
}
.subtitle {
  font-size: 1.15rem; color: var(--text-2); font-weight: 400;
  line-height: 1.6; max-width: 56ch;
}
.section-dark .subtitle { color: var(--on-dark-2); }

.divider { height: 1px; background: var(--line); border: none; }

/* ───────── HERO ───────── */
.hero {
  position: relative; overflow: hidden;
  background:
    radial-gradient(1200px 500px at 85% -10%, rgba(0,169,157,0.10), transparent 60%),
    radial-gradient(900px 500px at 0% 0%, rgba(26,58,107,0.08), transparent 55%),
    var(--bg);
  padding: clamp(3.5rem, 8vw, 6rem) 0 clamp(3rem, 6vw, 5rem);
}
.hero-grid {
  display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 4rem; align-items: center;
}
.hero h1 { color: var(--text); margin-bottom: 1.5rem; }
.hero .subtitle { margin-bottom: 2rem; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 1rem; margin-bottom: 2.5rem; }
.hero-trust {
  display: flex; flex-wrap: wrap; gap: 1.5rem 2.5rem; align-items: center;
  padding-top: 2rem; border-top: 1px solid var(--line);
}
.hero-trust-item { display: flex; flex-direction: column; gap: 0.15rem; }
.hero-trust-num {
  font-size: 1.65rem; font-weight: 700; color: var(--primary);
  letter-spacing: -0.02em;
}
.hero-trust-label { font-size: 0.82rem; color: var(--text-3); font-weight: 500; }

/* Hero visual — product preview cards */
.hero-visual { position: relative; min-height: 380px; }
.float-card {
  position: absolute;
  background: var(--surface);
  border: 1px solid var(--line-2);
  border-radius: var(--radius);
  box-shadow: var(--e4);
  padding: 1.25rem;
}
.float-card-1 { top: 0; left: 0; width: 64%; z-index: 2; }
.float-card-2 { bottom: 0; right: 0; width: 60%; z-index: 3; }
.fc-head { display: flex; align-items: center; gap: 0.65rem; margin-bottom: 0.85rem; }
.fc-dot { width: 36px; height: 36px; border-radius: 9px; display: flex; align-items: center; justify-content: center; color: #fff; font-weight: 700; font-size: 0.9rem; }
.fc-title { font-weight: 600; font-size: 0.92rem; }
.fc-sub { font-size: 0.75rem; color: var(--text-3); }
.fc-bar { height: 7px; border-radius: 4px; background: var(--surface-alt); margin: 0.5rem 0; }
.fc-bar.fill-a { background: linear-gradient(90deg, var(--accent), var(--accent-50)); width: 78%; }
.fc-bar.fill-b { background: linear-gradient(90deg, var(--primary), var(--primary-50)); width: 55%; }
.fc-bar.fill-c { background: var(--surface-alt); width: 88%; }
.fc-chip {
  display: inline-block; font-size: 0.68rem; font-weight: 600;
  padding: 0.2rem 0.55rem; border-radius: 99px;
  background: var(--live-bg); color: var(--live);
}

/* ───────── PRODUCT SECTION CARDS ───────── */
.cards-2 {
  display: grid; grid-template-columns: 1fr 1fr; gap: 2rem; margin-top: 3rem;
}
.product-card {
  background: var(--surface);
  border: 1px solid var(--line-2);
  border-radius: var(--radius-l);
  box-shadow: var(--e1);
  overflow: hidden;
  display: flex; flex-direction: column;
  transition: box-shadow 0.22s, transform 0.22s;
}
.product-card:hover { box-shadow: var(--e4); transform: translateY(-4px); }
.product-card-top {
  padding: 2rem 2rem 1.5rem;
  position: relative;
}
.pc-icon {
  width: 52px; height: 52px; border-radius: 13px;
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-size: 1.5rem; font-weight: 700;
  box-shadow: var(--e2); margin-bottom: 1.25rem;
}
.pc-icon.biz { background: linear-gradient(135deg, #00A99D, #1A3A6B); }
.pc-icon.acip { background: linear-gradient(135deg, #1A3A6B, #4B2E83); }
.pc-status {
  position: absolute; top: 2rem; right: 2rem;
  font-size: 0.72rem; font-weight: 600;
  padding: 0.3rem 0.7rem; border-radius: 99px;
  background: var(--live-bg); color: var(--live);
  display: inline-flex; align-items: center; gap: 0.4rem;
}
.pc-status::before { content:''; width: 7px; height: 7px; border-radius: 50%; background: var(--live); }
.product-card h3 { font-size: 1.5rem; margin-bottom: 0.35rem; }
.pc-tagline { font-size: 0.92rem; color: var(--accent-600); font-weight: 600; margin-bottom: 0.9rem; }
.product-card p { color: var(--text-2); font-size: 0.95rem; line-height: 1.65; }
.pc-body { padding: 0 2rem 1.5rem; flex: 1; }
.pc-features { list-style: none; margin-top: 1.25rem; display: flex; flex-direction: column; gap: 0.6rem; }
.pc-features li { display: flex; gap: 0.6rem; align-items: flex-start; font-size: 0.9rem; color: var(--text-2); }
.pc-features li::before { content: '✓'; color: var(--accent); font-weight: 700; flex-shrink: 0; }
.pc-stack {
  display: flex; flex-wrap: wrap; gap: 0.4rem; padding: 1.25rem 2rem;
  border-top: 1px solid var(--line-2); background: var(--surface-alt);
}
.chip {
  font-family: var(--mono); font-size: 0.72rem; font-weight: 500;
  color: var(--text-2); background: var(--surface);
  border: 1px solid var(--line); padding: 0.3rem 0.6rem; border-radius: 6px;
}
.pc-foot { padding: 1.25rem 2rem; display: flex; gap: 0.75rem; }

/* ───────── FEATURE / VALUE GRID ───────── */
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; margin-top: 3rem; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.25rem; margin-top: 3rem; }
.value-card {
  background: var(--surface); border: 1px solid var(--line-2);
  border-radius: var(--radius); padding: 1.75rem;
  box-shadow: var(--e1); transition: box-shadow 0.2s;
}
.value-card:hover { box-shadow: var(--e3); }
.value-icon {
  width: 44px; height: 44px; border-radius: 11px;
  background: var(--primary-50); color: var(--primary);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.3rem; margin-bottom: 1.1rem;
}
.value-card h4 { font-size: 1.1rem; margin-bottom: 0.5rem; }
.value-card p { font-size: 0.9rem; color: var(--text-2); line-height: 1.6; }

/* ───────── LOGO / SECTOR STRIP ───────── */
.sector-strip {
  display: flex; flex-wrap: wrap; gap: 0.75rem; justify-content: center; margin-top: 2rem;
}
.sector-pill {
  font-size: 0.9rem; font-weight: 500; color: var(--text-2);
  background: var(--surface); border: 1px solid var(--line);
  padding: 0.55rem 1.15rem; border-radius: 99px; box-shadow: var(--e1);
}

/* ───────── PAGE HEADER ───────── */
.page-head {
  background:
    radial-gradient(900px 400px at 90% -20%, rgba(0,169,157,0.10), transparent 60%),
    var(--surface-ink);
  color: var(--on-dark);
  padding: clamp(3.5rem, 7vw, 5.5rem) 0;
}
.page-head .overline { color: var(--accent); }
.page-head h1 { color: #fff; font-size: clamp(2.2rem, 5vw, 3.4rem); margin-bottom: 1rem; max-width: 20ch; }
.page-head p { color: var(--on-dark-2); font-size: 1.15rem; max-width: 58ch; }
.breadcrumb { display: flex; gap: 0.5rem; align-items: center; font-size: 0.85rem; color: var(--on-dark-2); margin-bottom: 1.5rem; }
.breadcrumb a:hover { color: #fff; }

/* ───────── PRODUCT DEEP PAGE ───────── */
.spec-table {
  width: 100%; border-collapse: collapse; margin-top: 1rem;
  background: var(--surface); border-radius: var(--radius); overflow: hidden;
  box-shadow: var(--e1); border: 1px solid var(--line-2);
}
.spec-table tr { border-bottom: 1px solid var(--line-2); }
.spec-table tr:last-child { border-bottom: none; }
.spec-table td { padding: 1rem 1.25rem; font-size: 0.92rem; vertical-align: top; }
.spec-table td:first-child {
  font-weight: 600; color: var(--text-3); width: 38%;
  font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.06em;
  background: var(--surface-alt);
}
.spec-table td:last-child { color: var(--text); }

.flow-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.25rem; margin-top: 2.5rem; }
.flow-step {
  background: var(--surface); border: 1px solid var(--line-2);
  border-radius: var(--radius); padding: 1.5rem; box-shadow: var(--e1);
  position: relative;
}
.flow-num {
  font-family: var(--mono); font-size: 0.8rem; font-weight: 700;
  color: #fff; background: var(--primary);
  width: 30px; height: 30px; border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 1rem;
}
.flow-step.done .flow-num { background: var(--live); }
.flow-step h4 { font-size: 1.05rem; margin-bottom: 0.4rem; }
.flow-step p { font-size: 0.88rem; color: var(--text-2); line-height: 1.55; }
.flow-tag { font-size: 0.7rem; font-weight: 600; color: var(--live); margin-top: 0.75rem; display: inline-block; }

/* ───────── TEAM ───────── */
.team-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 2rem; margin-top: 3rem; }
.team-card {
  background: var(--surface); border: 1px solid var(--line-2);
  border-radius: var(--radius-l); box-shadow: var(--e1);
  overflow: hidden; display: flex; flex-direction: column;
  transition: box-shadow 0.22s, transform 0.22s;
}
.team-card:hover { box-shadow: var(--e4); transform: translateY(-3px); }
.team-banner {
  height: 96px; position: relative;
  background: linear-gradient(120deg, var(--primary), var(--accent));
}
.team-banner.v2 { background: linear-gradient(120deg, #1A3A6B, #4B2E83); }
.team-banner.v3 { background: linear-gradient(120deg, #00897B, #1A3A6B); }
.team-banner.v4 { background: linear-gradient(120deg, #00695C, #004D40); }
.team-avatar {
  position: absolute; bottom: -34px; left: 2rem;
  width: 84px; height: 84px; border-radius: 50%;
  background: var(--surface); border: 4px solid var(--surface);
  box-shadow: var(--e2);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.7rem; font-weight: 700; color: var(--primary);
}
.team-avatar .inner {
  width: 100%; height: 100%; border-radius: 50%;
  background: var(--primary-50);
  display: flex; align-items: center; justify-content: center;
}
.team-body { padding: 3rem 2rem 1.75rem; flex: 1; }
.team-name { font-size: 1.35rem; font-weight: 700; margin-bottom: 0.2rem; }
.team-role { font-size: 0.85rem; font-weight: 600; color: var(--accent-600); margin-bottom: 0.4rem; }
.team-org { font-size: 0.8rem; color: var(--text-3); margin-bottom: 1rem; font-weight: 500; }
.team-body p { font-size: 0.92rem; color: var(--text-2); line-height: 1.65; margin-bottom: 1rem; }
.team-tags { display: flex; flex-wrap: wrap; gap: 0.4rem; }
.team-tags span {
  font-size: 0.74rem; font-weight: 500; color: var(--primary);
  background: var(--primary-50); padding: 0.3rem 0.65rem; border-radius: 99px;
}
.team-badges { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-bottom: 1rem; }
.team-badge {
  font-size: 0.75rem; font-weight: 600; color: var(--accent-600);
  background: var(--accent-50); padding: 0.35rem 0.7rem; border-radius: var(--radius-s);
  display: inline-flex; align-items: center; gap: 0.35rem;
}

/* ───────── CTA BANNER ───────── */
.cta-banner {
  background:
    radial-gradient(700px 300px at 85% 120%, rgba(0,169,157,0.25), transparent 60%),
    var(--surface-ink);
  color: #fff; border-radius: var(--radius-l);
  padding: clamp(2.5rem, 5vw, 4rem);
  box-shadow: var(--e4);
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 2rem;
}
.cta-banner h2 { color: #fff; font-size: clamp(1.5rem, 3vw, 2.2rem); max-width: 22ch; }
.cta-banner p { color: var(--on-dark-2); margin-top: 0.75rem; max-width: 44ch; }

/* ───────── CONTACT ───────── */
.contact-grid { display: grid; grid-template-columns: 1.2fr 0.8fr; gap: 2rem; margin-top: 2.5rem; }
.contact-list { display: flex; flex-direction: column; gap: 1rem; }
.contact-item {
  display: flex; gap: 1rem; align-items: center;
  background: var(--surface); border: 1px solid var(--line-2);
  border-radius: var(--radius); padding: 1.25rem 1.5rem;
  box-shadow: var(--e1); transition: box-shadow 0.2s, transform 0.15s;
}
.contact-item:hover { box-shadow: var(--e3); transform: translateX(3px); }
.contact-ico {
  width: 46px; height: 46px; border-radius: 11px; flex-shrink: 0;
  background: var(--primary-50); color: var(--primary);
  display: flex; align-items: center; justify-content: center; font-size: 1.3rem;
}
.contact-item .k { font-size: 0.78rem; color: var(--text-3); font-weight: 500; }
.contact-item .v { font-size: 1rem; font-weight: 600; color: var(--text); }
.contact-side {
  background: var(--surface-ink); color: var(--on-dark);
  border-radius: var(--radius-l); padding: 2rem; box-shadow: var(--e3);
}
.contact-side h3 { color: #fff; font-size: 1.3rem; margin-bottom: 1rem; }
.contact-side .row { display: flex; flex-direction: column; gap: 0.2rem; padding: 0.9rem 0; border-bottom: 1px solid var(--surface-ink2); }
.contact-side .row:last-child { border-bottom: none; }
.contact-side .k { font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--on-dark-2); }
.contact-side .v { font-size: 0.95rem; color: #fff; font-weight: 500; }

/* ───────── FOOTER ───────── */
.footer { background: var(--surface-ink); color: var(--on-dark-2); padding: 3.5rem 0 2rem; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 2.5rem; margin-bottom: 2.5rem; }
.footer .logo { color: #fff; margin-bottom: 1rem; }
.footer .logo span { color: #fff; }
.footer-about { font-size: 0.9rem; line-height: 1.65; max-width: 32ch; color: var(--on-dark-2); }
.footer-col h4 { font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.1em; color: #fff; margin-bottom: 1rem; font-weight: 600; }
.footer-col ul { list-style: none; display: flex; flex-direction: column; gap: 0.6rem; }
.footer-col a { font-size: 0.9rem; color: var(--on-dark-2); transition: color 0.15s; }
.footer-col a:hover { color: #fff; }
.footer-bottom {
  border-top: 1px solid var(--surface-ink2); padding-top: 1.75rem;
  display: flex; flex-wrap: wrap; gap: 1rem; justify-content: space-between;
  font-size: 0.82rem; color: var(--on-dark-2);
}

/* ───────── MENU TOGGLE ───────── */
.menu-btn { display: none; background: none; border: none; cursor: pointer; flex-direction: column; gap: 4px; padding: 0.5rem; }
.menu-btn span { width: 22px; height: 2px; background: var(--text); border-radius: 2px; }

/* ───────── RESPONSIVE ───────── */
@media (max-width: 980px) {
  .hero-grid { grid-template-columns: 1fr; gap: 2.5rem; }
  .hero-visual { min-height: 320px; max-width: 460px; }
  .cards-2 { grid-template-columns: 1fr; }
  .grid-3, .grid-4, .flow-grid { grid-template-columns: 1fr 1fr; }
  .team-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 720px) {
  .navlinks, .appbar-actions .btn-text { display: none; }
  .menu-btn { display: flex; }
  .grid-3, .grid-4, .flow-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .appbar.open .navlinks {
    display: flex; flex-direction: column; position: absolute;
    top: 68px; left: 0; right: 0; background: var(--surface);
    padding: 1rem var(--gutter); box-shadow: var(--e3); gap: 0.25rem;
  }
  .cta-banner { flex-direction: column; align-items: flex-start; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}
a:focus-visible, button:focus-visible { outline: 2.5px solid var(--accent); outline-offset: 2px; border-radius: 4px; }

/* ═══════════ ACIP-SPECIFIC ═══════════ */
.pioneer-band {
  background: linear-gradient(120deg, var(--primary) 0%, #4B2E83 100%);
  color: #fff; border-radius: var(--radius-l); padding: clamp(2rem,4vw,3rem);
  box-shadow: var(--e3); display: grid; grid-template-columns: auto 1fr; gap: 2rem; align-items: center;
}
.pioneer-band .pbig { font-size: clamp(2.5rem,6vw,4rem); font-weight: 900; line-height: 1; letter-spacing: -0.04em; }
.pioneer-band h3 { color: #fff; font-size: 1.4rem; margin-bottom: 0.5rem; }
.pioneer-band p { color: rgba(255,255,255,0.85); max-width: 52ch; }

/* phase rail */
.phase-rail { display: grid; grid-template-columns: repeat(6,1fr); gap: 0; margin-top: 2.5rem; border-radius: var(--radius); overflow: hidden; box-shadow: var(--e1); border: 1px solid var(--line-2); }
.phase-step { background: var(--surface); padding: 1.25rem 1rem; border-right: 1px solid var(--line-2); position: relative; }
.phase-step:last-child { border-right: none; }
.phase-step .pn { font-family: var(--mono); font-size: 0.7rem; color: var(--accent-600); font-weight: 700; letter-spacing: 0.08em; }
.phase-step h5 { font-size: 0.95rem; font-weight: 700; margin: 0.35rem 0; }
.phase-step.primary { background: var(--primary-50); }
.phase-step.primary::before { content:'PRIMARY'; position: absolute; top: 0.6rem; right: 0.6rem; font-family: var(--mono); font-size: 0.55rem; font-weight: 700; color: #fff; background: var(--accent); padding: 0.1rem 0.35rem; border-radius: 3px; }
.phase-detail { display: grid; grid-template-columns: repeat(2,1fr); gap: 1.25rem; margin-top: 2rem; }
.phase-card { background: var(--surface); border: 1px solid var(--line-2); border-radius: var(--radius); padding: 1.5rem; box-shadow: var(--e1); }
.phase-card .ph-tag { font-family: var(--mono); font-size: 0.7rem; font-weight: 700; color: var(--accent-600); letter-spacing: 0.08em; text-transform: uppercase; }
.phase-card h4 { font-size: 1.15rem; margin: 0.4rem 0 0.75rem; }
.phase-card ul { list-style: none; display: flex; flex-direction: column; gap: 0.5rem; }
.phase-card li { font-size: 0.88rem; color: var(--text-2); display: flex; gap: 0.5rem; }
.phase-card li::before { content: '▸'; color: var(--accent); flex-shrink: 0; }
.phase-card .how { margin-top: 0.9rem; padding-top: 0.9rem; border-top: 1px solid var(--line-2); font-size: 0.82rem; color: var(--text-3); }

/* state machine vertical */
.lrie-machine { display: flex; flex-direction: column; gap: 0; margin-top: 2.5rem; max-width: 720px; }
.lrie-state { display: grid; grid-template-columns: 150px 1fr; gap: 1.5rem; align-items: start; padding: 1.1rem 0; position: relative; }
.lrie-state:not(:last-child)::after { content:''; position: absolute; left: 75px; top: 2.6rem; bottom: -0.5rem; width: 2px; background: var(--line); }
.lrie-state .badge { font-family: var(--mono); font-size: 0.78rem; font-weight: 700; color: #fff; background: var(--primary); padding: 0.45rem 0.6rem; border-radius: var(--radius-s); text-align: center; z-index: 2; box-shadow: var(--e1); }
.lrie-state .badge.crit { background: #C0392B; }
.lrie-state .badge.act { background: var(--accent); }
.lrie-state h5 { font-size: 1rem; margin-bottom: 0.2rem; }
.lrie-state p { font-size: 0.88rem; color: var(--text-2); }

/* example callout */
.example-box { background: var(--surface-ink); color: var(--on-dark); border-radius: var(--radius-l); padding: clamp(1.75rem,3vw,2.5rem); box-shadow: var(--e3); border-left: 4px solid var(--accent); }
.example-box .tag { font-family: var(--mono); font-size: 0.72rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--accent); font-weight: 700; margin-bottom: 0.75rem; }
.example-box h4 { color: #fff; font-size: 1.25rem; margin-bottom: 1rem; }
.example-box p { color: var(--on-dark-2); font-size: 0.95rem; line-height: 1.7; margin-bottom: 1rem; }
.example-box .alert { background: rgba(192,57,43,0.18); border: 1px solid rgba(192,57,43,0.4); border-radius: var(--radius-s); padding: 1rem 1.25rem; font-family: var(--mono); font-size: 0.82rem; color: #FFD9D4; line-height: 1.6; }
.example-box .alert b { color: #fff; }

/* stack groups */
.stack-group { margin-top: 2rem; }
.stack-group h4 { font-size: 1rem; color: var(--primary); margin-bottom: 0.85rem; display: flex; align-items: center; gap: 0.6rem; }
.stack-group h4::before { content:''; width: 8px; height: 8px; border-radius: 50%; background: var(--accent); }
.stack-chips { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.stack-chips .chip { font-size: 0.78rem; padding: 0.4rem 0.7rem; }

/* langgraph flow */
.lg-flow { display: flex; flex-wrap: wrap; gap: 0.6rem; align-items: center; margin-top: 1.5rem; }
.lg-node { background: var(--surface); border: 1.5px solid var(--primary-300); color: var(--primary); border-radius: var(--radius-s); padding: 0.6rem 0.9rem; font-family: var(--mono); font-size: 0.8rem; font-weight: 500; box-shadow: var(--e1); }
.lg-node.cond { border-style: dashed; border-color: var(--accent); color: var(--accent-600); }
.lg-node.end { background: var(--primary); color: #fff; }
.lg-arrow { color: var(--text-3); font-weight: 700; }

@media (max-width: 980px) {
  .phase-rail { grid-template-columns: repeat(3,1fr); }
  .phase-detail { grid-template-columns: 1fr; }
  .pioneer-band { grid-template-columns: 1fr; }
}
@media (max-width: 720px) {
  .phase-rail { grid-template-columns: 1fr 1fr; }
  .lrie-state { grid-template-columns: 110px 1fr; gap: 1rem; }
  .lrie-state:not(:last-child)::after { left: 55px; }
}

/* dev status badge */
.pc-status.dev { background: #FFF3E0; color: #B26A00; }
.pc-status.dev::before { background: #E08600; }