/* ════════════════════════════════════════════════════════════════════════
   SymbiOS — symbi-os.com
   Premium AI-native operating environment website.
   ════════════════════════════════════════════════════════════════════════ */

/* ─── RESET ─────────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

/* ─── DESIGN TOKENS ─────────────────────────────────────────────────────── */
:root {
  --bg:               #f7f7f4;
  --bg-soft:          #ffffff;
  --bg-tint:          #efefe9;
  --text:             #111111;
  --muted:            #5e6168;
  --muted-light:      #8b9098;
  --line:             rgba(17, 17, 17, 0.10);
  --line-strong:      rgba(17, 17, 17, 0.18);
  --glass:            rgba(255, 255, 255, 0.62);
  --glass-strong:     rgba(255, 255, 255, 0.84);

  --dark:             #07080b;
  --dark-soft:        #11131a;
  --dark-panel:       #171a22;
  --dark-line:        rgba(255, 255, 255, 0.08);

  --accent:           #7d8cff;
  --accent-deep:      #4d5dff;
  --gold-soft:        #c8b88a;

  --primary-btn-bg:   #111111;
  --primary-btn-text: #ffffff;
  --secondary-border: rgba(17, 17, 17, 0.16);

  --max:              1180px;
  --max-wide:         1280px;
  --radius-card:      24px;
  --radius-panel:     36px;
  --radius-pill:      999px;
  --ease-out:         cubic-bezier(0.16, 1, 0.3, 1);
}

/* ─── BASE ───────────────────────────────────────────────────────────────── */
body {
  font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

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

/* ─── TYPOGRAPHY ─────────────────────────────────────────────────────────── */
.label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
}
h1, h2, h3 { color: var(--text); }
h1 {
  font-size: clamp(44px, 7.2vw, 96px);
  font-weight: 300;
  letter-spacing: -0.035em;
  line-height: 1.04;
}
h2 {
  font-size: clamp(32px, 4.6vw, 60px);
  font-weight: 300;
  letter-spacing: -0.025em;
  line-height: 1.1;
}
h3 {
  font-size: 20px;
  font-weight: 500;
  letter-spacing: -0.01em;
  line-height: 1.3;
}
p { line-height: 1.72; }

/* ─── LAYOUT ─────────────────────────────────────────────────────────────── */
section {
  padding: 120px 28px;
  position: relative;
}
.section-inner {
  max-width: var(--max);
  margin: 0 auto;
}
.section-inner-wide {
  max-width: var(--max-wide);
  margin: 0 auto;
}
.section-header { margin-bottom: 64px; max-width: 720px; }
.section-header .label { margin-bottom: 18px; }
.section-header h2 { margin-bottom: 20px; }
.section-header p {
  font-size: 17px;
  color: var(--muted);
  line-height: 1.75;
}

/* ─── BUTTONS ────────────────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: var(--radius-pill);
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.005em;
  cursor: pointer;
  transition: all 0.3s var(--ease-out);
  border: 1px solid transparent;
  white-space: nowrap;
}
.btn-primary {
  background: var(--primary-btn-bg);
  color: var(--primary-btn-text);
}
.btn-primary:hover {
  background: #2a2a2a;
  transform: translateY(-1px);
  box-shadow: 0 12px 28px rgba(0,0,0,0.18);
}
.btn-secondary {
  background: transparent;
  color: var(--text);
  border-color: var(--secondary-border);
}
.btn-secondary:hover {
  background: rgba(17,17,17,0.04);
  border-color: rgba(17,17,17,0.32);
  transform: translateY(-1px);
}
.btn-ghost {
  background: transparent;
  color: var(--accent);
  border-color: rgba(125,140,255,0.32);
  padding: 12px 22px;
  font-size: 13px;
}
.btn-ghost:hover {
  background: rgba(125,140,255,0.08);
  border-color: var(--accent);
}
.btn-light {
  background: rgba(255,255,255,0.10);
  color: #ffffff;
  border-color: rgba(255,255,255,0.18);
  backdrop-filter: blur(10px);
}
.btn-light:hover { background: rgba(255,255,255,0.16); }
.cta-group {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

/* ─── HEADER ─────────────────────────────────────────────────────────────── */
#site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  transition: background 0.4s var(--ease-out), border-color 0.4s var(--ease-out);
  border-bottom: 1px solid transparent;
}
#site-header.scrolled {
  background: var(--glass-strong);
  border-color: var(--line);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
}
.nav-inner {
  max-width: var(--max-wide);
  margin: 0 auto;
  padding: 0 28px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.nav-brand {
  font-size: 16px;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--text);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.nav-brand .brand-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent-deep));
  display: inline-block;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
  list-style: none;
}
.nav-links a {
  font-size: 14px;
  color: var(--muted);
  font-weight: 400;
  transition: color 0.2s;
  position: relative;
}
.nav-links a:hover { color: var(--text); }
.nav-links a.active { color: var(--text); font-weight: 500; }
.nav-links a.active::after {
  content: '';
  position: absolute;
  left: 0; right: 0; bottom: -22px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
}
.nav-cta .btn { padding: 10px 20px; font-size: 13px; }
.nav-menu-btn {
  display: none;
  background: none; border: none; cursor: pointer;
  padding: 8px; color: var(--text);
}
.mobile-menu {
  display: none;
  position: fixed;
  top: 64px; left: 0; right: 0;
  background: var(--glass-strong);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border-bottom: 1px solid var(--line);
  padding: 20px 28px 28px;
  z-index: 99;
}
.mobile-menu.open { display: block; }
.mobile-menu ul { list-style: none; }
.mobile-menu ul li {
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
}
.mobile-menu ul li:last-child { border-bottom: none; }
.mobile-menu a { font-size: 16px; color: var(--text); font-weight: 400; }
.mobile-menu a.active { font-weight: 500; }
.mobile-cta { margin-top: 20px; }
.mobile-cta .btn { width: 100%; justify-content: center; }

/* ─── REVEAL ANIMATION ───────────────────────────────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.9s var(--ease-out), transform 0.9s var(--ease-out);
}
.reveal.visible { opacity: 1; transform: translateY(0); }
.reveal-delay-1 { transition-delay: 0.08s; }
.reveal-delay-2 { transition-delay: 0.16s; }
.reveal-delay-3 { transition-delay: 0.24s; }
.reveal-delay-4 { transition-delay: 0.32s; }

/* ─── HERO ───────────────────────────────────────────────────────────────── */
.hero {
  padding: 160px 28px 100px;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 50% at 70% 30%, rgba(125,140,255,0.10) 0%, transparent 70%),
    radial-gradient(ellipse 40% 40% at 20% 80%, rgba(77,93,255,0.06) 0%, transparent 70%);
  pointer-events: none;
}
.hero-inner {
  max-width: var(--max);
  margin: 0 auto;
  position: relative;
}
.hero-eyebrow { margin-bottom: 22px; }
.hero-title { margin-bottom: 24px; max-width: 18ch; }
.hero-sub {
  font-size: clamp(17px, 1.9vw, 22px);
  color: var(--muted);
  font-weight: 400;
  max-width: 620px;
  margin-bottom: 16px;
  line-height: 1.6;
}
.hero-micro {
  font-size: 15px;
  color: var(--muted-light);
  max-width: 540px;
  margin-bottom: 40px;
  line-height: 1.7;
}

/* Home hero — split with OS visual */
.hero-split .hero-inner {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 56px;
  align-items: center;
  max-width: 1340px;
}
.hero-split .hero-title { font-size: clamp(40px, 6vw, 80px); }
.hero-split .hero-sub { max-width: 480px; }

/* Page hero — single column */
.hero-page .hero-inner { max-width: 920px; }
.hero-page .hero-title { font-size: clamp(40px, 5.6vw, 78px); }

/* ─── SPLIT ROW (image + text) ───────────────────────────────────────────── */
.split-row {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 64px;
  align-items: center;
}
.split-media img {
  width: 100%;
  max-width: 360px;
  height: auto;
  display: block;
  margin-left: auto;
  border-radius: var(--radius-panel);
}
@media (max-width: 860px) {
  .split-row { grid-template-columns: 1fr; gap: 36px; }
}

/* ─── HERO PHOTO ─────────────────────────────────────────────────────────── */
.hero-photo {
  width: 100%;
  max-width: none;
  height: auto;
  display: block;
  border-radius: var(--radius-panel);
}

/* ─── OS PRODUCT VISUAL (CSS placeholder) ────────────────────────────────── */
.os-frame {
  width: 100%;
  aspect-ratio: 16/11;
  border-radius: var(--radius-panel);
  background:
    linear-gradient(165deg, #1c1f29 0%, #0f1117 100%);
  border: 1px solid rgba(255,255,255,0.08);
  position: relative;
  overflow: hidden;
  box-shadow: 0 30px 80px rgba(15, 18, 30, 0.20), 0 6px 18px rgba(0,0,0,0.10);
}
.os-frame::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 50% at 70% 20%, rgba(125,140,255,0.18) 0%, transparent 60%),
    radial-gradient(ellipse 40% 40% at 20% 80%, rgba(200,184,138,0.10) 0%, transparent 60%);
  pointer-events: none;
}
.os-titlebar {
  position: absolute;
  top: 14px; left: 14px;
  display: flex; gap: 6px;
}
.os-titlebar span {
  width: 10px; height: 10px;
  border-radius: 50%;
  background: rgba(255,255,255,0.18);
}
.os-titlebar span:nth-child(1) { background: rgba(255,90,90,0.55); }
.os-titlebar span:nth-child(2) { background: rgba(255,180,50,0.45); }
.os-titlebar span:nth-child(3) { background: rgba(50,200,100,0.45); }

.os-window {
  position: absolute;
  background: rgba(255,255,255,0.05);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255,255,255,0.10);
  border-radius: 14px;
  overflow: hidden;
}
.os-window .bar {
  height: 26px;
  display: flex; align-items: center;
  padding: 0 12px; gap: 5px;
  background: rgba(255,255,255,0.04);
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.os-window .bar i {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: rgba(255,255,255,0.20);
  display: inline-block;
}
.os-window .body {
  padding: 14px;
  display: flex; flex-direction: column; gap: 8px;
}
.os-window .row {
  height: 6px;
  border-radius: 4px;
  background: rgba(255,255,255,0.10);
}
.os-window .row.short { width: 55%; }
.os-window .row.mid { width: 75%; }
.os-window .row.accent {
  background: linear-gradient(90deg, rgba(125,140,255,0.55), rgba(125,140,255,0.10));
  width: 45%;
}

.os-win-1 { top: 12%; left: 7%; width: 44%; }
.os-win-2 { top: 22%; right: 7%; width: 38%; }
.os-win-3 { bottom: 28%; left: 22%; width: 36%; }

.os-ai {
  position: absolute;
  left: 10%; right: 10%;
  bottom: 70px;
  background: rgba(125,140,255,0.10);
  border: 1px solid rgba(125,140,255,0.28);
  border-radius: 14px;
  padding: 12px 16px;
  display: flex; align-items: center; gap: 10px;
  backdrop-filter: blur(12px);
}
.os-ai .dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 10px rgba(125,140,255,0.7);
  animation: pulseDot 2s ease-in-out infinite;
}
.os-ai .typing {
  height: 6px; flex: 1;
  border-radius: 4px;
  background: linear-gradient(90deg, rgba(125,140,255,0.4), rgba(125,140,255,0.05));
}
.os-dock {
  position: absolute;
  bottom: 18px;
  left: 50%;
  transform: translateX(-50%);
  display: flex; gap: 10px;
  background: rgba(255,255,255,0.07);
  backdrop-filter: blur(14px);
  border: 1px solid rgba(255,255,255,0.10);
  border-radius: 18px;
  padding: 8px 14px;
}
.os-dock i {
  width: 30px; height: 30px;
  border-radius: 8px;
  display: inline-block;
}
.os-dock i:nth-child(1) { background: rgba(125,140,255,0.30); }
.os-dock i:nth-child(2) { background: rgba(77,93,255,0.30); }
.os-dock i:nth-child(3) { background: rgba(200,184,138,0.22); }
.os-dock i:nth-child(4) { background: rgba(255,255,255,0.10); }
.os-dock i:nth-child(5) { background: rgba(125,140,255,0.18); }

@keyframes pulseDot {
  0%, 100% { opacity: 0.5; transform: scale(1); }
  50% { opacity: 1; transform: scale(1.3); }
}
@keyframes drift {
  0%, 100% { transform: translate(0,0); }
  50% { transform: translate(8px,-6px); }
}

/* ─── DARK SECTION ───────────────────────────────────────────────────────── */
.section-dark {
  background: var(--dark);
  color: rgba(255,255,255,0.92);
  position: relative;
  overflow: hidden;
}
.section-dark::before {
  content: '';
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse 70% 60% at 50% 50%, rgba(125,140,255,0.06) 0%, transparent 70%),
    radial-gradient(ellipse 40% 40% at 80% 20%, rgba(200,184,138,0.04) 0%, transparent 60%);
  pointer-events: none;
}
.section-dark h1, .section-dark h2, .section-dark h3 { color: rgba(255,255,255,0.95); }
.section-dark .label { color: var(--gold-soft); opacity: 0.85; }
.section-dark p { color: rgba(255,255,255,0.62); }
.section-dark .section-inner { position: relative; z-index: 1; }

/* ─── MANIFESTO / STATEMENT BLOCK ────────────────────────────────────────── */
.statement {
  max-width: 880px;
  margin: 0 auto;
  text-align: center;
}
.statement .label { margin-bottom: 32px; }
.statement-text {
  font-size: clamp(24px, 3.2vw, 40px);
  font-weight: 300;
  letter-spacing: -0.02em;
  line-height: 1.35;
  margin-bottom: 28px;
}
.statement-support {
  font-size: 17px;
  color: rgba(255,255,255,0.55);
  max-width: 640px;
  margin: 0 auto;
  line-height: 1.8;
}
.pull-quote {
  font-size: clamp(20px, 2.4vw, 28px);
  font-weight: 300;
  font-style: italic;
  letter-spacing: -0.015em;
  line-height: 1.45;
  color: rgba(255,255,255,0.78);
  border-left: 2px solid var(--gold-soft);
  padding-left: 24px;
  margin: 40px auto 0;
  max-width: 680px;
  text-align: left;
}

/* ─── CARD GRIDS ─────────────────────────────────────────────────────────── */
.card-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}
.card-grid.cols-3 { grid-template-columns: repeat(3, 1fr); }
.card-grid.cols-4 { grid-template-columns: repeat(4, 1fr); }

.card {
  background: var(--bg-soft);
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  padding: 32px;
  transition: transform 0.4s var(--ease-out), border-color 0.3s, box-shadow 0.4s var(--ease-out);
}
.card:hover {
  transform: translateY(-4px);
  border-color: var(--line-strong);
  box-shadow: 0 24px 60px rgba(0,0,0,0.06);
}
.card .card-num {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.14em;
  color: var(--accent);
  margin-bottom: 18px;
}
.card h3 { margin-bottom: 12px; font-size: 18px; }
.card p {
  font-size: 15px;
  color: var(--muted);
  line-height: 1.7;
}
.card-icon {
  width: 36px; height: 36px;
  border-radius: 10px;
  background: linear-gradient(135deg, rgba(125,140,255,0.15), rgba(77,93,255,0.05));
  border: 1px solid rgba(125,140,255,0.20);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 22px;
}
.card-icon::before {
  content: '';
  width: 14px; height: 14px;
  border-radius: 4px;
  background: linear-gradient(135deg, var(--accent), var(--accent-deep));
}

/* ─── FEATURE FAMILY ROWS ────────────────────────────────────────────────── */
.feature-row {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 60px;
  padding: 56px 0;
  border-top: 1px solid var(--line);
  align-items: start;
}
.feature-row:last-child { border-bottom: 1px solid var(--line); }
.feature-row .feature-num {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.16em;
  color: var(--muted-light);
  margin-bottom: 14px;
}
.feature-row h3 {
  font-size: clamp(24px, 2.6vw, 32px);
  font-weight: 400;
  letter-spacing: -0.02em;
  line-height: 1.2;
  margin-bottom: 16px;
}
.feature-row .feature-desc {
  font-size: 16px;
  color: var(--muted);
  line-height: 1.75;
}
.feature-row .feature-body { display: flex; flex-direction: column; gap: 22px; }
.feature-row h4 {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted-light);
  margin-bottom: 12px;
}
.capability-list {
  display: flex; flex-wrap: wrap; gap: 8px;
  list-style: none;
}
.capability-list li {
  font-size: 13px;
  padding: 6px 12px;
  background: var(--bg-soft);
  border: 1px solid var(--line);
  border-radius: var(--radius-pill);
  color: var(--text);
}
.feature-benefit {
  font-size: 15px;
  color: var(--text);
  line-height: 1.7;
  padding: 16px 18px;
  background: linear-gradient(135deg, rgba(125,140,255,0.06), rgba(125,140,255,0.02));
  border-left: 2px solid var(--accent);
  border-radius: 8px;
}

/* ─── PACKAGE CARDS ──────────────────────────────────────────────────────── */
.package-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.package-card {
  background: var(--bg-soft);
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  padding: 36px 32px;
  display: flex;
  flex-direction: column;
  transition: transform 0.4s var(--ease-out), border-color 0.3s, box-shadow 0.4s var(--ease-out);
}
.package-card:hover {
  transform: translateY(-4px);
  border-color: var(--line-strong);
  box-shadow: 0 24px 60px rgba(0,0,0,0.06);
}
.package-card.featured {
  background: linear-gradient(165deg, #14161e 0%, #0a0b10 100%);
  color: rgba(255,255,255,0.92);
  border: 1px solid rgba(255,255,255,0.10);
}
.package-card.featured h3,
.package-card.featured .package-name { color: #ffffff; }
.package-card.featured .package-positioning { color: rgba(255,255,255,0.62); }
.package-card.featured h4 { color: rgba(255,255,255,0.50); }
.package-card.featured ul li { color: rgba(255,255,255,0.78); }
.package-card.featured ul li::before { background: var(--gold-soft); }
.package-card.featured .package-note { color: rgba(255,255,255,0.40); }
.package-card .package-eyebrow {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 14px;
}
.package-card.featured .package-eyebrow { color: var(--gold-soft); }
.package-name {
  font-size: 28px;
  font-weight: 400;
  letter-spacing: -0.02em;
  margin-bottom: 12px;
}
.package-positioning {
  font-size: 15px;
  color: var(--muted);
  line-height: 1.7;
  margin-bottom: 28px;
}
.package-section { margin-bottom: 24px; }
.package-section h4 {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted-light);
  margin-bottom: 12px;
}
.package-card ul {
  list-style: none;
  display: flex; flex-direction: column; gap: 8px;
}
.package-card ul li {
  font-size: 14px;
  color: var(--text);
  line-height: 1.6;
  padding-left: 18px;
  position: relative;
}
.package-card ul li::before {
  content: '';
  position: absolute;
  left: 0; top: 9px;
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--accent);
}
.package-card .package-cta { margin-top: auto; padding-top: 24px; }
.package-card .btn { width: 100%; justify-content: center; }
.package-note {
  font-size: 12px;
  color: var(--muted-light);
  font-style: italic;
  margin-top: 16px;
  line-height: 1.6;
}

/* ─── COMPARISON STRIP ───────────────────────────────────────────────────── */
.compare-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  background: var(--bg-soft);
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  overflow: hidden;
}
.compare-cell {
  padding: 28px 28px;
  border-right: 1px solid var(--line);
}
.compare-cell:last-child { border-right: none; }
.compare-cell .name {
  font-size: 18px;
  font-weight: 500;
  margin-bottom: 6px;
}
.compare-cell .desc {
  font-size: 14px;
  color: var(--muted);
}

/* ─── ECOSYSTEM GRID (Symbiverse) ────────────────────────────────────────── */
.ecosystem-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.eco-card {
  background: var(--bg-soft);
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  padding: 28px;
  transition: transform 0.4s var(--ease-out), border-color 0.3s;
}
.eco-card:hover {
  transform: translateY(-3px);
  border-color: var(--line-strong);
}
.eco-card .eco-icon {
  width: 32px; height: 32px;
  border-radius: 8px;
  background: linear-gradient(135deg, rgba(125,140,255,0.18), rgba(77,93,255,0.04));
  margin-bottom: 18px;
}
.eco-card h3 { font-size: 17px; margin-bottom: 8px; }
.eco-card p { font-size: 14px; color: var(--muted); line-height: 1.7; }

.audience-list {
  display: flex; flex-wrap: wrap; gap: 10px;
  list-style: none;
}
.audience-list li {
  font-size: 14px;
  padding: 9px 16px;
  background: var(--bg-soft);
  border: 1px solid var(--line);
  border-radius: var(--radius-pill);
}

/* ─── CATALOG CARDS ──────────────────────────────────────────────────────── */
.catalog-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}
.catalog-card {
  background: var(--bg-soft);
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  padding: 36px;
  transition: transform 0.4s var(--ease-out), border-color 0.3s;
}
.catalog-card:hover {
  transform: translateY(-3px);
  border-color: var(--line-strong);
}
.catalog-card h3 {
  font-size: 22px;
  font-weight: 500;
  letter-spacing: -0.01em;
  margin-bottom: 12px;
}
.catalog-card .catalog-desc {
  font-size: 15px;
  color: var(--muted);
  line-height: 1.7;
  margin-bottom: 22px;
}
.catalog-card ul {
  list-style: none;
  display: flex; flex-wrap: wrap;
  gap: 8px;
}
.catalog-card ul li {
  font-size: 13px;
  padding: 6px 12px;
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: var(--radius-pill);
  color: var(--text);
}

/* ─── TEASERS GRID (Home) ────────────────────────────────────────────────── */
.teaser-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}
.teaser {
  background: var(--bg-soft);
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  padding: 36px;
  display: flex; flex-direction: column;
  transition: transform 0.4s var(--ease-out), border-color 0.3s, box-shadow 0.4s var(--ease-out);
}
.teaser:hover {
  transform: translateY(-3px);
  border-color: var(--line-strong);
  box-shadow: 0 24px 60px rgba(0,0,0,0.06);
}
.teaser .teaser-eyebrow {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 16px;
}
.teaser h3 {
  font-size: 22px;
  font-weight: 400;
  letter-spacing: -0.015em;
  margin-bottom: 12px;
}
.teaser p { font-size: 15px; color: var(--muted); margin-bottom: 22px; }
.teaser-link {
  font-size: 14px;
  font-weight: 500;
  color: var(--text);
  display: inline-flex;
  align-items: center; gap: 6px;
  margin-top: auto;
}
.teaser-link::after {
  content: '→';
  transition: transform 0.3s var(--ease-out);
}
.teaser:hover .teaser-link::after { transform: translateX(4px); }

/* ─── FINAL CTA BAND ─────────────────────────────────────────────────────── */
.final-cta {
  text-align: center;
  max-width: 760px;
  margin: 0 auto;
}
.final-cta h2 { margin-bottom: 20px; }
.final-cta p {
  font-size: 17px;
  color: var(--muted);
  margin-bottom: 32px;
}
.final-cta .cta-group { justify-content: center; }
.section-dark .final-cta p { color: rgba(255,255,255,0.62); }

/* ─── UPDATES PAGE ───────────────────────────────────────────────────────── */
.update-categories {
  display: flex; flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 48px;
}
.update-categories li {
  font-size: 13px;
  padding: 8px 14px;
  background: var(--bg-soft);
  border: 1px solid var(--line);
  border-radius: var(--radius-pill);
  color: var(--muted);
  list-style: none;
}
.empty-state {
  background: var(--bg-soft);
  border: 1px solid var(--line);
  border-radius: var(--radius-panel);
  padding: 80px 40px;
  text-align: center;
}
.empty-state h3 {
  font-size: 22px;
  font-weight: 400;
  letter-spacing: -0.01em;
  margin-bottom: 14px;
}
.empty-state p {
  font-size: 16px;
  color: var(--muted);
  max-width: 480px;
  margin: 0 auto 28px;
  line-height: 1.7;
}

/* ─── CONTACT / FORMS ────────────────────────────────────────────────────── */
.form-shell {
  background: var(--bg-soft);
  border: 1px solid var(--line);
  border-radius: var(--radius-panel);
  padding: 40px;
}
.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 60px;
  align-items: start;
}
.contact-info h2 { margin-bottom: 20px; }
.contact-info p {
  font-size: 17px;
  color: var(--muted);
  line-height: 1.75;
  margin-bottom: 28px;
}
.contact-info .contact-email a {
  font-size: 15px;
  color: var(--accent);
  font-weight: 500;
  border-bottom: 1px solid rgba(125,140,255,0.32);
  padding-bottom: 2px;
}
.contact-info .contact-email a:hover { border-color: var(--accent); }

.symbi-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.field {
  display: flex; flex-direction: column;
  gap: 7px;
}
.field label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.10em;
  color: var(--muted);
  text-transform: uppercase;
}
.field input,
.field select,
.field textarea {
  width: 100%;
  padding: 13px 16px;
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 12px;
  font-size: 15px;
  font-family: inherit;
  color: var(--text);
  transition: border-color 0.2s, box-shadow 0.2s;
  outline: none;
  appearance: none; -webkit-appearance: none;
}
.field input::placeholder,
.field textarea::placeholder { color: var(--muted-light); }
.field input:focus,
.field select:focus,
.field textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(125,140,255,0.14);
}
.field select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%235e6168' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 40px;
}
.field textarea { resize: vertical; min-height: 130px; }
.field.error input,
.field.error select,
.field.error textarea { border-color: #e05555; }
.field-err {
  font-size: 12px;
  color: #c04040;
  display: none;
}
.field.error .field-err { display: block; }
.form-submit { margin-top: 8px; }
.form-message {
  padding: 16px 20px;
  border-radius: 12px;
  font-size: 14px;
  line-height: 1.6;
  display: none;
}
.form-message.success {
  background: rgba(50,200,100,0.08);
  border: 1px solid rgba(50,200,100,0.22);
  color: #27864a;
  display: block;
}
.form-message.error {
  background: rgba(224,85,85,0.08);
  border: 1px solid rgba(224,85,85,0.22);
  color: #c04040;
  display: block;
}
.honeypot {
  position: absolute;
  left: -10000px; top: auto;
  width: 1px; height: 1px;
  overflow: hidden;
}

/* Inquiry route chips */
.inquiry-chips {
  display: flex; flex-wrap: wrap; gap: 8px;
  margin-bottom: 8px;
}
.chip {
  font-size: 13px;
  padding: 8px 14px;
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: var(--radius-pill);
  cursor: pointer;
  transition: all 0.2s;
  color: var(--text);
}
.chip:hover { border-color: var(--line-strong); }
.chip.active {
  background: var(--text);
  color: var(--bg);
  border-color: var(--text);
}

/* ─── FOOTER ─────────────────────────────────────────────────────────────── */
#site-footer {
  background: var(--bg-soft);
  border-top: 1px solid var(--line);
  padding: 64px 28px 40px;
}
.footer-inner {
  max-width: var(--max);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.2fr 2fr 1fr;
  gap: 48px;
}
.footer-brand-block .footer-brand {
  font-size: 17px;
  font-weight: 600;
  margin-bottom: 8px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.footer-brand-block .footer-statement {
  font-size: 13px;
  color: var(--muted-light);
  line-height: 1.7;
  max-width: 280px;
}
.footer-nav-cols {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}
.footer-col h5 {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted-light);
  margin-bottom: 16px;
}
.footer-col ul { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.footer-col a {
  font-size: 14px;
  color: var(--muted);
  transition: color 0.2s;
}
.footer-col a:hover { color: var(--text); }
.footer-bottom {
  max-width: var(--max);
  margin: 40px auto 0;
  padding-top: 28px;
  border-top: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}
.footer-bottom .copyright {
  font-size: 12px;
  color: var(--muted-light);
}
.footer-bottom .secondary-links {
  display: flex; gap: 18px; list-style: none;
}
.footer-bottom .secondary-links a {
  font-size: 12px;
  color: var(--muted-light);
}
.footer-bottom .secondary-links a:hover { color: var(--text); }

/* ─── CONCIERGE CHATBOT ──────────────────────────────────────────────────── */
.concierge-bubble {
  position: fixed;
  bottom: 24px; right: 24px;
  z-index: 200;
  width: 56px; height: 56px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-deep) 100%);
  color: #ffffff;
  border: none;
  cursor: pointer;
  box-shadow: 0 14px 36px rgba(77,93,255,0.32), 0 4px 12px rgba(0,0,0,0.10);
  display: flex; align-items: center; justify-content: center;
  transition: transform 0.3s var(--ease-out);
}
.concierge-bubble:hover { transform: translateY(-2px) scale(1.04); }
.concierge-bubble svg { width: 24px; height: 24px; }

.concierge-panel {
  position: fixed;
  bottom: 96px; right: 24px;
  z-index: 200;
  width: min(380px, calc(100vw - 32px));
  max-height: min(560px, calc(100vh - 130px));
  background: var(--bg-soft);
  border: 1px solid var(--line);
  border-radius: 22px;
  box-shadow: 0 30px 80px rgba(0,0,0,0.18), 0 10px 30px rgba(0,0,0,0.08);
  display: none;
  flex-direction: column;
  overflow: hidden;
  animation: panelIn 0.3s var(--ease-out);
}
.concierge-panel.open { display: flex; }
@keyframes panelIn {
  from { opacity: 0; transform: translateY(10px) scale(0.98); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}
.concierge-header {
  padding: 18px 20px;
  border-bottom: 1px solid var(--line);
  display: flex; align-items: center; justify-content: space-between;
  gap: 12px;
}
.concierge-header .c-title {
  font-size: 14px; font-weight: 600;
  display: inline-flex; align-items: center; gap: 8px;
}
.concierge-header .c-title::before {
  content: '';
  width: 8px; height: 8px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent-deep));
}
.concierge-close {
  background: none; border: none; cursor: pointer;
  color: var(--muted); font-size: 20px; line-height: 1;
  padding: 4px 8px;
}
.concierge-body {
  flex: 1;
  padding: 20px;
  overflow-y: auto;
  display: flex; flex-direction: column; gap: 12px;
}
.c-msg {
  font-size: 14px;
  line-height: 1.65;
  padding: 12px 14px;
  border-radius: 14px;
  max-width: 90%;
}
.c-msg.bot {
  background: var(--bg);
  border: 1px solid var(--line);
  color: var(--text);
  align-self: flex-start;
  border-bottom-left-radius: 4px;
}
.c-msg.user {
  background: var(--text);
  color: var(--bg);
  align-self: flex-end;
  border-bottom-right-radius: 4px;
}
.c-options {
  display: flex; flex-wrap: wrap; gap: 8px;
  padding: 12px 20px 18px;
  border-top: 1px solid var(--line);
  background: var(--bg);
}
.c-option {
  font-size: 13px;
  padding: 8px 12px;
  background: var(--bg-soft);
  border: 1px solid var(--line);
  border-radius: var(--radius-pill);
  cursor: pointer;
  transition: all 0.2s;
  color: var(--text);
}
.c-option:hover {
  background: var(--text);
  color: var(--bg);
  border-color: var(--text);
}

/* ─── ACCESSIBILITY / FOCUS ──────────────────────────────────────────────── */
:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  border-radius: 4px;
}

/* ─── REDUCED MOTION ─────────────────────────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation: none !important;
    transition: none !important;
    scroll-behavior: auto !important;
  }
  .reveal { opacity: 1; transform: none; }
}

/* ─── RESPONSIVE ─────────────────────────────────────────────────────────── */
@media (max-width: 960px) {
  section { padding: 90px 24px; }
  .hero { padding: 130px 24px 80px; }
  .nav-links, .nav-cta { display: none; }
  .nav-menu-btn { display: inline-flex; }
  .hero-split .hero-inner { grid-template-columns: 1fr; gap: 48px; }
  .card-grid, .card-grid.cols-3, .card-grid.cols-4,
  .package-grid, .ecosystem-grid, .catalog-grid, .teaser-grid {
    grid-template-columns: 1fr;
  }
  .compare-strip { grid-template-columns: 1fr; }
  .compare-cell { border-right: none; border-bottom: 1px solid var(--line); }
  .compare-cell:last-child { border-bottom: none; }
  .feature-row { grid-template-columns: 1fr; gap: 24px; padding: 40px 0; }
  .contact-layout { grid-template-columns: 1fr; gap: 40px; }
  .form-row { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr; gap: 36px; }
  .footer-nav-cols { grid-template-columns: 1fr 1fr; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
  .form-shell { padding: 28px; }
}
@media (max-width: 480px) {
  .footer-nav-cols { grid-template-columns: 1fr; }
  .concierge-panel { right: 16px; bottom: 88px; }
  .concierge-bubble { right: 16px; bottom: 16px; }
}
