:root {
  --navy: #0B1F33;
  --navy-light: #0F2347;
  --blue: #2563EB;
  --cyan: #06B6D4;
  --violet: #7C3AED;
  
  --text: #0F172A;
  --secondary: #475569;
  --muted: #64748B;
  --border: #E2E8F0;
  --soft: #F8FAFC;
  --white: #FFFFFF;
  --dark: #111827;
  
  --green: #16A34A;
  --orange: #F59E0B;
  --red: #DC2626;
  
  --radius-sm: 10px;
  --radius-lg: 18px;
  --shadow: 0 18px 50px rgba(15, 23, 42, .08);
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

body.dark-theme {
  --white: #0B1F33;
  --soft: #0F2347;
  --text: #F8FAFC;
  --secondary: #CBD5E1;
  --muted: #94A3B8;
  --border: rgba(255, 255, 255, 0.08);
  --dark: #071424;
  
  /* Brighten colors for dark mode visibility */
  --blue: #3B82F6;
  --cyan: #22D3EE;
  --violet: #A78BFA;
  --shadow: 0 18px 50px rgba(0, 0, 0, .4);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html {
  scroll-behavior: smooth;
  overflow-x: hidden;
  max-width: 100%;
}
body {
  font-family: 'Inter', system-ui, sans-serif;
  color: var(--text);
  background: var(--white);
  line-height: 1.6;
  overflow-x: hidden;
  max-width: 100%;
  transition: background-color 0.3s, color 0.3s, border-color 0.3s;
}
a { color: inherit; text-decoration: none; transition: var(--transition); }
button, input, textarea { font: inherit; outline: none; }

.container { width: min(1200px, calc(100% - 40px)); margin: 0 auto; }
.section { padding: 80px 0; }
.section-gray { background: var(--soft); }
.center { text-align: center; }

/* ANNOUNCE BAR */
.announcement {
  min-height: 38px;
  background: var(--navy-light);
  color: white;
  font-size: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 6px 16px;
}
.announcement a { color: #06B6D4; font-weight: 600; }
.announcement a:hover { text-decoration: underline; }

/* NAV / HEADER */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  transition: background-color 0.3s;
}
body.dark-theme .site-header {
  background: rgba(11, 31, 51, 0.92);
}
.nav-wrap { min-height: 68px; display: flex; align-items: center; justify-content: space-between; }
.brand { display: inline-flex; align-items: center; gap: 8px; font-weight: 700; color: var(--navy); }
body.dark-theme .brand { color: #fff; }
.brand-mark {
  display: inline-grid; place-items: center;
  width: 32px; height: 32px; border-radius: 9px;
  color: white; font-weight: 800;
  background: linear-gradient(135deg, var(--blue), var(--cyan));
  box-shadow: 0 4px 12px rgba(37,99,235,.2);
}
.brand-mark.large { width: 48px; height: 48px; border-radius: 12px; font-size: 20px; }
.brand-name strong { color: var(--blue); }

.desktop-nav { display: flex; gap: 4px; color: var(--secondary); font-size: 13px; font-weight: 500; align-items: center; }
.nav-item { position: relative; padding: 6px 10px; border-radius: 6px; cursor: pointer; }
.nav-item:hover { background: var(--soft); color: var(--text); }

/* Dropdown Menu */
.dropdown { position: relative; }
.dropdown-menu {
  position: absolute; top: 100%; left: 0;
  background: var(--white); border: 1px solid var(--border);
  border-radius: 10px; box-shadow: var(--shadow);
  padding: 8px; width: 220px;
  opacity: 0; visibility: hidden; transform: translateY(10px);
  transition: var(--transition); z-index: 10;
}
.dropdown:hover .dropdown-menu { opacity: 1; visibility: visible; transform: translateY(0); }
.dropdown-menu a {
  display: block; padding: 8px 12px; border-radius: 6px;
  font-size: 13px; color: var(--secondary);
}
.dropdown-menu a:hover { background: var(--soft); color: var(--blue); }

.nav-actions { display: flex; align-items: center; gap: 12px; }
.login-link { font-size: 13px; color: var(--secondary); font-weight: 500; }
.login-link:hover { color: var(--blue); }

/* BUTTONS */
.btn {
  min-height: 40px;
  padding: 0 16px;
  border-radius: 8px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid transparent;
  font-weight: 600;
  font-size: 13px;
  cursor: pointer;
  transition: var(--transition);
}
.btn:hover { transform: translateY(-1px); }
.btn-primary { background: var(--blue); color: white; box-shadow: 0 4px 12px rgba(37,99,235,.2); }
.btn-primary:hover { background: #1d4ed8; }
.btn-secondary { background: transparent; border-color: var(--border); color: var(--text); }
.btn-secondary:hover { background: var(--soft); }
.btn-small { min-height: 36px; padding: 0 12px; font-size: 12px; }
.btn-light { background: white; color: var(--navy); }
.btn-light:hover { background: #f1f5f9; }

/* THEME TOGGLE */
.theme-toggle {
  background: none; border: 1px solid var(--border);
  border-radius: 8px; width: 36px; height: 36px;
  display: inline-grid; place-items: center;
  cursor: pointer; color: var(--secondary); transition: var(--transition);
}
.theme-toggle:hover { background: var(--soft); color: var(--text); }
.sun-icon { display: none; }
body.dark-theme .moon-icon { display: none; }
body.dark-theme .sun-icon { display: block; }

/* LANG TOGGLE */
.lang-toggle {
  font-size: 13px; font-weight: 700; color: var(--secondary);
  border: 1px solid var(--border); border-radius: 8px;
  width: 36px; height: 36px; display: inline-grid; place-items: center;
}
.lang-toggle:hover { background: var(--soft); color: var(--text); }

.menu-toggle { display: none; border: 0; background: transparent; font-size: 24px; color: var(--text); cursor: pointer; }
.mobile-nav { display: none; padding: 12px 20px 22px; flex-direction: column; gap: 10px; border-bottom: 1px solid var(--border); }
.mobile-nav.open { display: flex; }
.mobile-nav a { font-size: 14px; font-weight: 500; color: var(--secondary); padding: 6px 0; }
.mobile-nav a:hover { color: var(--blue); }

/* HERO */
.hero { position: relative; overflow: hidden; padding: 80px 0; background: linear-gradient(160deg, var(--white) 0%, var(--soft) 100%); }
body.dark-theme .hero { background: linear-gradient(160deg, #0B1F33 0%, #0F2347 100%); }
.hero-grid { display: grid; grid-template-columns: 1fr 1.1fr; align-items: center; gap: 48px; }
.hero-copy { position: relative; z-index: 2; }
.hero-copy h1 {
  font-size: clamp(36px, 4vw, 56px);
  line-height: 1.15;
  font-weight: 800;
  margin: 16px 0 20px;
  color: var(--navy);
}
body.dark-theme .hero-copy h1 { color: #fff; }
.hero-copy h1 span {
  background: linear-gradient(90deg, var(--blue), var(--cyan));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  color: var(--blue);
}
.eyebrow, .section-kicker {
  display: inline-flex;
  font-size: 11px;
  letter-spacing: .08em;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--cyan);
}
.eyebrow {
  padding: 5px 12px;
  border-radius: 20px;
  background: rgba(6,182,212,.15);
  border: 1px solid rgba(6,182,212,.3);
  letter-spacing: .06em;
}
.hero-text { color: var(--secondary); font-size: 16px; margin-bottom: 28px; line-height: 1.7; }
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; }
.microcopy { color: var(--muted); font-size: 12px; margin-top: 15px; }

/* HERO DASHBOARD WINDOW */
.hero-visual { position: relative; min-height: 480px; display: flex; align-items: center; justify-content: center; }
.dashboard-window {
  width: 100%; max-width: 580px; height: 380px;
  display: flex; overflow: hidden;
  background: #1E293B; border: 1px solid rgba(255,255,255,0.1);
  border-radius: 14px; box-shadow: 0 24px 60px rgba(0,0,0,.4);
  position: relative;
}
.dash-sidebar { width: 56px; background: #0F172A; padding: 12px 8px; display: flex; flex-direction: column; gap: 6px; align-items: center; }
.dash-logo {
  width: 36px; height: 36px; display: grid; place-items: center; border-radius: 8px;
  color: white; font-weight: 700; background: linear-gradient(135deg,var(--blue),var(--cyan));
  margin-bottom: 12px; font-size: 14px;
}
.dash-sidebar span { width: 36px; height: 36px; border-radius: 8px; display: flex; align-items: center; justify-content: center; font-size: 14px; color: #64748B; cursor: pointer; transition: .15s; }
.dash-sidebar span.active { background: rgba(37,99,235,.2); color: var(--blue); }

.dash-main { flex: 1; padding: 14px; background: #1E293B; display: flex; flex-direction: column; justify-content: space-between; overflow: hidden; }
.dash-top { display: flex; justify-content: space-between; align-items: center; margin-bottom: 10px; }
.dash-top small { display:block; color: #64748B; font-size: 9px; text-transform: uppercase; letter-spacing: 0.05em; }
.dash-top strong { display:block; color: #fff; font-size: 14px; }
.avatar { width: 28px; height: 28px; border-radius: 50%; background: rgba(37,99,235,.2); color: var(--blue); display: grid; place-items: center; font-size: 10px; font-weight: 700; }

.kpi-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 8px; }
.kpi-card { background:#0F172A; border:1px solid rgba(255,255,255,.06); border-radius: 8px; padding: 8px; }
.kpi-card span { display:block; color:#64748B; font-size:8px; text-transform: uppercase; }
.kpi-card strong { display:block; font-size:18px; color:#fff; margin:2px 0; font-weight: 700; transition: color 0.5s; }
.kpi-card small { display:block; font-size:8px; color:var(--green); }
.kpi-card.ai { border-color: rgba(124,58,237,.3); background: rgba(124,58,237,.05); }
.kpi-card.ai small { color: #C4B5FD; }

.chart-grid { display:grid; grid-template-columns:1.3fr .7fr; gap:8px; flex: 1; margin-top: 8px; min-height: 0; }
.chart-card, .activity-card { background:#0F172A; border:1px solid rgba(255,255,255,.06); border-radius:8px; padding:10px; display: flex; flex-direction: column; }
.card-title { font-size:9px; font-weight:700; color:#64748B; text-transform: uppercase; letter-spacing: 0.05em; }
.bars { height: 75px; display:flex; align-items:flex-end; gap:6px; padding-top:10px; flex: 1; }
.bars span { flex:1; background:var(--blue); border-radius:3px 3px 0 0; opacity:.75; transition: height 0.5s ease; }
.bars span:last-child { background: var(--cyan); opacity: 1; }

.activity-card { justify-content: flex-start; gap: 4px; }
.activity { display:flex; align-items:center; gap:6px; padding:6px 0; border-bottom:1px solid rgba(255,255,255,0.04); font-size:8px; color:#94A3B8; }
.activity i { width:6px; height:6px; border-radius:50%; display:inline-block; }
.cyan{background:var(--cyan)} .violet{background:var(--violet)} .orange{background:var(--orange)}

/* FLOATING CARDS */
.floating-card {
  position: absolute; background: var(--white); border: 1px solid var(--border);
  box-shadow: 0 8px 24px rgba(0,0,0,.12); border-radius: 10px; padding: 8px 12px;
  display: flex; gap: 8px; align-items: center; z-index: 5; transition: transform 0.3s;
}
.floating-card:hover { transform: scale(1.05); }
.floating-card small { display: block; font-size: 9px; color: var(--muted); }
.floating-card strong { display: block; font-size: 11px; color: var(--text); font-weight: 700; }
.status-dot { width: 8px; height: 8px; border-radius: 50%; }
.fc-one { top: 20px; right: -20px; }
.fc-two { bottom: 10px; left: -10px; }
.fc-three { right: -10px; bottom: 80px; }
.fc-four { bottom: -20px; right: 40px; }

/* TRUST STRIP */
.trust-strip { border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); background: var(--soft); padding: 18px 0; }
.trust-items { display: flex; align-items: center; justify-content: center; gap: 0; flex-wrap: wrap; }
.trust-item {
  display: flex; align-items: center; gap: 6px; padding: 0 20px; font-size: 12px;
  color: var(--secondary); font-weight: 500;
}
.trust-item:not(:last-child) { border-right: 1px solid var(--border); }
.trust-item i { color: var(--blue); font-weight: bold; }

/* PROBLEMS AREA */
.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; }
.section-kicker { margin-bottom: 10px; }
h2 { font-size: clamp(26px, 3.5vw, 36px); line-height: 1.25; margin: 12px 0 16px; color: var(--navy); font-weight: 800; }
body.dark-theme h2 { color: #fff; }
.problem-list { margin-top: 24px; display: grid; gap: 12px; }
.problem-list div { padding: 14px; border: 1px solid var(--border); border-radius: 10px; background: var(--white); transition: var(--transition); }
.problem-list div:hover { box-shadow: 0 4px 12px rgba(0,0,0,0.05); border-color: #cbd5e1; }
.problem-list b { display: block; font-size: 13px; font-weight: 600; color: var(--text); }
.problem-list span { display: block; color: var(--secondary); font-size: 12px; margin-top: 3px; }

.fragmented-visual {
  min-height: 360px; position: relative;
  background: radial-gradient(circle at center, rgba(37,99,235,0.08), transparent 60%);
  display: flex; align-items: center; justify-content: center;
}
.tool-card {
  position: absolute; width: 80px; height: 48px; border-radius: 10px;
  display: grid; place-items: center; border: 1px solid var(--border); background: var(--white);
  box-shadow: 0 6px 16px rgba(15,23,42,.06); font-size: 12px; font-weight: 600; color: var(--secondary);
  transition: transform 0.3s;
}
.tool-card:hover { transform: scale(1.1); color: var(--blue); }
.center-node {
  width: 120px; height: 120px; border-radius: 50%; border: 1px solid rgba(37,99,235,.3);
  background: var(--white); display: flex; flex-direction: column; align-items: center; justify-content: center;
  font-weight: 700; color: var(--navy); text-align: center; font-size: 13px; box-shadow: var(--shadow);
  z-index: 2;
}
body.dark-theme .center-node { color: #fff; }
.tool-a { left: 10%; top: 15%; }
.tool-b { right: 10%; top: 12%; }
.tool-c { left: 5%; bottom: 15%; }
.tool-d { right: 5%; bottom: 15%; }
.tool-e { left: 50%; top: 5%; transform: translateX(-50%); }

/* SOLUTION AREA */
.solution { background: var(--soft); }
.section-lead { font-size: 16px; color: var(--secondary); max-width: 580px; margin: 0 auto 36px; }
.platform-map {
  margin: 40px auto 0; max-width: 800px;
  display: grid; grid-template-columns: 1fr 1.1fr 1fr; gap: 16px; align-items: center;
}
.platform-core {
  grid-row: span 3; grid-column: 2; min-height: 240px;
  display: flex; flex-direction: column; justify-content: center; align-items: center; gap: 10px;
  border-radius: 20px; background: linear-gradient(135deg, var(--navy), var(--navy-light)); color: white;
  box-shadow: var(--shadow); border: 1px solid rgba(37,99,235,0.3); text-align: center; padding: 20px;
}
.platform-core strong { font-size: 20px; font-weight: 800; }
.platform-core small { color: #CBD5E1; font-size: 11px; }
.module-pill {
  background: var(--white); border: 1px solid var(--border); padding: 14px;
  border-radius: 10px; font-weight: 600; color: var(--text); font-size: 13px;
  box-shadow: 0 4px 12px rgba(15,23,42,.03); text-align: center; transition: var(--transition);
  cursor: default;
}
.module-pill:hover { border-color: var(--blue); color: var(--blue); }

/* PRODUCT SHOWCASE */
.section-heading { display: flex; justify-content: space-between; align-items: flex-end; gap: 32px; margin-bottom: 32px; }
.section-heading h2 { max-width: 550px; margin: 0; }
.section-heading p { max-width: 400px; color: var(--secondary); font-size: 15px; margin: 0; }
.section-heading.centered { display: block; text-align: center; max-width: 680px; margin: 0 auto 36px; }

.tabs { display: flex; gap: 4px; background: var(--soft); border: 1px solid var(--border); border-radius: 10px; padding: 4px; margin-bottom: 24px; flex-wrap: wrap; }
.tab {
  border: none; background: none; color: var(--secondary); padding: 8px 16px;
  border-radius: 7px; cursor: pointer; font-weight: 500; font-size: 13px; transition: var(--transition);
}
.tab:hover { color: var(--text); }
.tab.active { background: var(--white); color: var(--text); box-shadow: 0 1px 3px rgba(0,0,0,.08); }

.product-panel {
  background: var(--soft); border: 1px solid var(--border); border-radius: 16px;
  padding: 32px; display: grid; grid-template-columns: 1fr 1.1fr; gap: 32px; align-items: center;
}
.panel-copy { display: flex; flex-direction: column; gap: 12px; }
.panel-copy .badge { align-self: flex-start; }
.panel-copy h3 { font-size: 22px; font-weight: 800; color: var(--navy); line-height: 1.3; }
body.dark-theme .panel-copy h3 { color: #fff; }
.panel-copy ul { list-style: none; display: flex; flex-direction: column; gap: 8px; color: var(--secondary); font-size: 13px; }
.panel-copy ul li { display: flex; align-items: center; gap: 8px; }
.panel-copy ul li::before { content: "✓"; color: var(--blue); font-weight: bold; }

.badge { display: inline-flex; background: rgba(37,99,235,.1); color: var(--blue); padding: 4px 10px; border-radius: 20px; font-size: 11px; font-weight: 700; }
.panel-screen { border: 1px solid var(--border); background: #1E293B; border-radius: 12px; overflow: hidden; box-shadow: var(--shadow); }
.screen-header { height: 28px; background: #0F172A; display: flex; align-items: center; gap: 5px; padding: 0 10px; }
.screen-header span { width: 6px; height: 6px; border-radius: 50%; background: rgba(255,255,255,0.2); }
.screen-content { display: flex; min-height: 240px; }
.screen-sidebar { width: 44px; background: #0F172A; }
.screen-body { flex: 1; padding: 14px; display: flex; flex-direction: column; gap: 10px; }
.screen-kpis { display: grid; grid-template-columns: repeat(4, 1fr); gap: 6px; }
.screen-kpis i { height: 38px; background: rgba(255,255,255,0.05); border-radius: 6px; }
.screen-chart { height: 90px; background: linear-gradient(180deg, rgba(255,255,255,0.03), transparent); border: 1px solid rgba(255,255,255,0.05); border-radius: 8px; }
.screen-table { height: 60px; background: repeating-linear-gradient(rgba(255,255,255,0.02), rgba(255,255,255,0.02) 12px, transparent 13px); border: 1px solid rgba(255,255,255,0.05); border-radius: 8px; }

/* MODULE CARDS */
.modules { background: var(--soft); }
.module-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 16px; }
.module-card {
  background: var(--white); border: 1px solid var(--border); border-top: 3px solid var(--blue);
  border-radius: 12px; padding: 20px; transition: var(--transition); display: flex; flex-direction: column; gap: 10px;
}
.module-card:hover { transform: translateY(-3px); box-shadow: 0 12px 24px rgba(0,0,0,0.06); }
.module-card h3 { font-size: 16px; font-weight: 700; color: var(--navy); }
body.dark-theme .module-card h3 { color: #fff; }
.module-card p { font-size: 13px; color: var(--secondary); flex: 1; }
.module-card a { font-size: 12px; color: var(--blue); font-weight: 700; align-self: flex-start; }
.module-icon {
  width: 36px; height: 36px; border-radius: 8px; display: grid; place-items: center;
  background: rgba(37,99,235,.1); color: var(--blue); font-size: 16px;
}
.turquoise-accent { border-top-color: var(--cyan); }
.turquoise-accent .module-icon { background: rgba(6,182,212,.1); color: var(--cyan); }
.violet-accent { border-top-color: var(--violet); }
.violet-accent .module-icon { background: rgba(124,58,237,.1); color: var(--violet); }
.orange-accent { border-top-color: var(--orange); }
.orange-accent .module-icon { background: rgba(245,158,11,.1); color: var(--orange); }
.green-accent { border-top-color: var(--green); }
.green-accent .module-icon { background: rgba(16,163,74,.1); color: var(--green); }

/* HUMAN IN THE LOOP AI */
.ai-section { background: linear-gradient(135deg, var(--white) 0%, rgba(124,58,237,0.05) 100%); }
.principles { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 18px; }
.principles span { background: var(--white); border: 1px solid var(--border); padding: 6px 12px; border-radius: 20px; font-size: 12px; font-weight: 600; }

.ai-workspace { display: grid; grid-template-columns: 1fr 50px 1fr; align-items: center; gap: 10px; }
.source-doc, .ai-output {
  min-height: 180px; background: var(--white); border: 1px solid var(--border);
  border-radius: 12px; padding: 16px; box-shadow: 0 8px 24px rgba(15,23,42,.04);
}
.source-doc span { display: block; height: 8px; background: var(--border); border-radius: 4px; margin-top: 12px; }
.source-doc span:nth-child(2) { width: 90%; }
.source-doc span:nth-child(3) { width: 75%; }
.source-doc span:nth-child(4) { width: 50%; }

.ai-flow {
  width: 36px; height: 36px; border-radius: 50%; display: grid; place-items: center;
  background: linear-gradient(135deg, var(--blue), var(--violet)); color: white; margin: auto;
  font-size: 14px;
}
.ai-output { border-color: rgba(124,58,237,0.3); }
.ai-output strong { display: block; margin-top: 24px; color: var(--navy); font-size: 14px; }
body.dark-theme .ai-output strong { color: #fff; }
.ai-output p { font-size: 12px; color: var(--secondary); margin-top: 4px; }

/* ABOUT & BENEFITS */
.benefit-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.benefit-grid div { border: 1px solid var(--border); border-radius: 12px; padding: 16px; background: var(--white); }
.benefit-grid b { display: block; font-size: 13px; font-weight: 600; color: var(--text); }
.benefit-grid span { display: block; font-size: 12px; color: var(--secondary); margin-top: 4px; }

/* GLOBAL VISION */
.global-vision { background: var(--navy); color: white; padding: 80px 0; overflow: hidden; }
.vision-grid { display: grid; grid-template-columns: 1fr 1fr; align-items: center; gap: 48px; }
.global-vision h2 { color: white; }
.global-vision p { color: #CBD5E1; font-size: 15px; margin-bottom: 24px; }
.section-kicker.light { color: var(--cyan); }
.world-map {
  min-height: 280px; border: 1px solid rgba(255,255,255,.08); border-radius: 50%;
  position: relative; background: radial-gradient(circle at center, rgba(37,99,235,.2), transparent 60%);
}
.world-map::before, .world-map::after {
  content: ""; position: absolute; border: 1px solid rgba(255,255,255,.08); border-radius: 50%; inset: 15% 6%;
}
.world-map::after { inset: 8% 25%; }
.node {
  position: absolute; width: 10px; height: 10px; background: var(--cyan); border-radius: 50%;
  box-shadow: 0 0 0 6px rgba(6,182,212,.15); transition: transform 0.3s;
}
.node:hover { transform: scale(1.5); }
.n1 { left: 20%; top: 30%; }
.n2 { left: 45%; top: 18%; }
.n3 { right: 20%; top: 40%; }
.n4 { left: 28%; bottom: 25%; }
.n5 { right: 32%; bottom: 20%; }
.n6 { right: 12%; bottom: 30%; }

/* FAQ ACCORDION */
.faq-list { max-width: 800px; margin: 0 auto; display: flex; flex-direction: column; gap: 12px; }
.faq-item { border: 1px solid var(--border); border-radius: 10px; overflow: hidden; background: var(--white); }
.faq-question {
  width: 100%; padding: 16px 20px; display: flex; justify-content: space-between; align-items: center;
  background: none; border: none; font-size: 14px; font-weight: 600; color: var(--text);
  cursor: pointer; text-align: left; transition: var(--transition);
}
.faq-question:hover { background: var(--soft); }
.faq-answer {
  max-height: 0; overflow: hidden; transition: max-height 0.3s cubic-bezier(0, 1, 0, 1);
  padding: 0 20px; font-size: 13px; color: var(--secondary);
}
.faq-item.active .faq-answer { max-height: 1000px; padding-bottom: 16px; }
.faq-icon { transition: transform 0.3s; }
.faq-item.active .faq-icon { transform: rotate(180deg); }

/* DEMO FORM */
.demo-section { background: linear-gradient(135deg, var(--blue) 0%, #0F4FD4 50%, var(--cyan) 100%); }
.demo-box { display: grid; grid-template-columns: 1fr 1.1fr; gap: 48px; align-items: center; color: white; }
.demo-box h2 { color: white; }
.demo-box p { color: #DBEAFE; font-size: 15px; }
.demo-form { background: var(--white); border-radius: 14px; padding: 24px; color: var(--text); box-shadow: var(--shadow); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.demo-form label { display: block; font-size: 12px; font-weight: 600; color: var(--secondary); margin-bottom: 10px; }
.demo-form input, .demo-form textarea {
  width: 100%; margin-top: 6px; border: 1px solid var(--border); border-radius: 8px;
  padding: 10px; outline: none; background: var(--white); color: var(--text); transition: var(--transition);
}
.demo-form input:focus, .demo-form textarea:focus { border-color: var(--blue); box-shadow: 0 0 0 3px rgba(37,99,235,.15); }
.demo-form .btn { width: 100%; margin-top: 10px; background: var(--navy); color: white; }
.demo-form .btn:hover { background: var(--navy-light); }

/* FOOTER */
.site-footer { background: var(--dark); color: white; padding: 60px 0 20px; border-top: 1px solid rgba(255,255,255,0.05); }
.footer-grid { display: grid; grid-template-columns: 1.5fr repeat(4, 1fr); gap: 32px; }
.footer-brand { display: flex; flex-direction: column; gap: 10px; }
.footer-brand p { font-size: 12px; font-weight: bold; color: var(--cyan); }
.footer-brand small { font-size: 11px; color: #94A3B8; line-height: 1.5; }
.footer-grid h4 { font-size: 13px; font-weight: 700; color: white; margin-bottom: 12px; }
.footer-grid a { display: block; color: #CBD5E1; font-size: 12px; margin: 8px 0; }
.footer-grid a:hover { color: var(--cyan); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.05); margin-top: 40px; padding-top: 20px;
  display: flex; justify-content: space-between; color: #94A3B8; font-size: 11px; align-items: center;
}

/* SCROLL REVEAL CLASS DEFINITIONS */
.reveal {
  opacity: 0; transform: translateY(20px); transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal-slide-left {
  opacity: 0; transform: translateX(-30px); transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal-slide-right {
  opacity: 0; transform: translateX(30px); transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal-active {
  opacity: 1; transform: translate(0);
}

/* SPINNER & TOAST */
.form-success-toast {
  position: relative; z-index: 10; animation: slideToastIn 0.3s forwards;
}
@keyframes slideToastIn {
  0% { opacity: 0; transform: translateY(10px); }
  100% { opacity: 1; transform: translateY(0); }
}

@keyframes rotateHub {
  100% { transform: rotate(360deg); }
}

/* RESPONSIVE LAYOUTS */
@media (max-width: 980px) {
  .desktop-nav { display: none; }
  .menu-toggle { display: block; }
  .hero-grid, .two-col, .vision-grid, .demo-box, .product-panel, .ai-workspace { grid-template-columns: 1fr; gap: 32px; }
  .hero-copy { text-align: center; }
  .hero-actions { justify-content: center; }
  .hero-visual { min-height: 420px; }
  .dashboard-window { margin: 0 auto; }
  .section-heading { display: block; text-align: center; }
  .section-heading p { max-width: none; margin-top: 10px; }
  .module-grid { grid-template-columns: repeat(2, 1fr); }
  .platform-map { grid-template-columns: 1fr 1fr; }
  .platform-core { grid-column: 1/-1; grid-row: auto; min-height: 180px; }
  .footer-grid { grid-template-columns: 1.5fr repeat(2, 1fr); }
  .ai-flow { transform: rotate(90deg); margin: 12px auto; }
}

@media (max-width: 680px) {
  .section { padding: 60px 0; }
  .announcement { font-size: 11px; flex-wrap: wrap; text-align: center; }
  .hero-copy h1 { font-size: 32px; }
  .btn { width: 100%; }
  .hero-actions { flex-direction: column; }
  .dashboard-window { height: 300px; max-width: 100%; }
  .dash-sidebar { display: none; }
  .dash-main { padding: 10px; }
  .kpi-grid { grid-template-columns: repeat(2, 1fr); gap: 6px; }
  .kpi-card { padding: 6px; }
  .kpi-card strong { font-size: 14px; margin: 0; }
  .kpi-card span { font-size: 7px; }
  .kpi-card small { font-size: 7px; }
  .bars { gap: 4px; }
  .chart-grid { grid-template-columns: 1fr; }
  .activity-card { display: none; }
  .fc-one { right: 0; }
  .fc-two { display: none; }
  .fc-three { right: 0; }
  .fc-four { display: none; }
  .trust-items { justify-content: center; }
  .trust-item:not(:last-child) { border-right: none; }
  .trust-item { padding: 4px 10px; }
  .module-grid { grid-template-columns: 1fr; }
  .platform-map { grid-template-columns: 1fr; }
  .benefit-grid, .form-row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-brand { grid-column: auto; }
  .footer-bottom { flex-direction: column; gap: 10px; text-align: center; }
  
  /* Mobile header optimizations */
  .site-header .login-link,
  .site-header .btn-primary.btn-small {
    display: none;
  }
  .brand div span {
    display: none !important;
  }
}

/* INTERACTIVE SIMULATORS FROM PROJE 2 - PREMIUM UPGRADE */
.interactive-pipeline {
  width: 100%;
  height: 280px;
  background: var(--white);
  border-radius: 16px;
  border: 1px solid var(--border);
  padding: 1.5rem;
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  box-shadow: 0 10px 30px -10px rgba(0,0,0,0.08);
  overflow: hidden;
  transition: border-color 0.3s, box-shadow 0.3s;
}
body.dark-theme .interactive-pipeline {
  background: rgba(15, 23, 42, 0.4);
  border-color: rgba(255,255,255,0.06);
  box-shadow: 0 20px 40px -15px rgba(0,0,0,0.3);
}
.interactive-pipeline:hover {
  border-color: var(--blue);
  box-shadow: 0 12px 35px -8px rgba(37,99,235,0.15);
}
.pipeline-nodes {
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: relative;
  height: 100%;
  z-index: 2;
}
.pipeline-svg-layer {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 1;
}
.pipeline-line {
  stroke: var(--border);
  stroke-width: 2;
  fill: none;
  opacity: 0.5;
}
body.dark-theme .pipeline-line {
  stroke: rgba(255,255,255,0.1);
}
.pipeline-line-active {
  stroke: var(--blue);
  stroke-width: 3;
  stroke-dasharray: 8 8;
  stroke-dashoffset: 100;
  animation: dashOffset 4s linear infinite;
  fill: none;
  filter: drop-shadow(0 0 4px var(--blue));
}
@keyframes dashOffset {
  to { stroke-dashoffset: 0; }
}
.pipeline-node {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  background-color: var(--white);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  color: var(--secondary);
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  box-shadow: 0 4px 12px rgba(0,0,0,0.05);
}
body.dark-theme .pipeline-node {
  background-color: #1e293b;
  border-color: rgba(255,255,255,0.08);
}
.pipeline-node.active {
  border-color: var(--blue);
  color: var(--blue);
  transform: scale(1.08);
  box-shadow: 0 0 20px rgba(37,99,235,0.3);
}
.pipeline-node.success {
  border-color: var(--green);
  color: var(--green);
  box-shadow: 0 0 20px rgba(34,197,94,0.25);
}
.node-status-dot {
  position: absolute;
  bottom: -3px;
  right: -3px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  border: 2px solid var(--white);
  background-color: var(--muted);
  transition: background-color 0.3s;
}
body.dark-theme .node-status-dot {
  border-color: #1e293b;
}

.interactive-telemetry {
  width: 100%;
  background: var(--white);
  border-radius: 16px;
  border: 1px solid var(--border);
  padding: 1.5rem;
  box-shadow: 0 10px 30px -10px rgba(0,0,0,0.08);
  transition: border-color 0.3s, box-shadow 0.3s;
}
body.dark-theme .interactive-telemetry {
  background: rgba(15, 23, 42, 0.4);
  border-color: rgba(255,255,255,0.06);
  box-shadow: 0 20px 40px -15px rgba(0,0,0,0.3);
}
.interactive-telemetry:hover {
  border-color: var(--blue);
  box-shadow: 0 12px 35px -8px rgba(37,99,235,0.15);
}
.telemetry-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
}
.telemetry-status {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 0.85rem;
  border-radius: 50px;
  background-color: rgba(34,197,94,0.1);
  color: var(--green);
  font-size: 0.75rem;
  font-weight: 600;
}
.telemetry-chart {
  height: 140px;
  position: relative;
  display: flex;
  align-items: flex-end;
  gap: 8px;
  padding-top: 1rem;
  border-bottom: 1px dashed var(--border);
}
body.dark-theme .telemetry-chart {
  border-color: rgba(255,255,255,0.08);
}
.chart-bar {
  flex: 1;
  background: linear-gradient(180deg, var(--blue), var(--cyan));
  border-radius: 6px 6px 0 0;
  transition: height 0.8s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  opacity: 0.8;
}
.chart-bar:hover {
  opacity: 1;
  filter: brightness(1.1);
}

.interactive-hub {
  width: 100%;
  height: 280px;
  background: var(--white);
  border-radius: 16px;
  border: 1px solid var(--border);
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 10px 30px -10px rgba(0,0,0,0.08);
  overflow: hidden;
  transition: border-color 0.3s, box-shadow 0.3s;
}
body.dark-theme .interactive-hub {
  background: rgba(15, 23, 42, 0.4);
  border-color: rgba(255,255,255,0.06);
  box-shadow: 0 20px 40px -15px rgba(0,0,0,0.3);
}
.interactive-hub:hover {
  border-color: var(--blue);
  box-shadow: 0 12px 35px -8px rgba(37,99,235,0.15);
}
.hub-center {
  width: 76px;
  height: 76px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--blue), var(--cyan));
  border: 4px solid var(--white);
  z-index: 5;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  box-shadow: 0 0 25px rgba(37,99,235,0.4);
  font-weight: 800;
  font-size: 12px;
}
body.dark-theme .hub-center {
  border-color: #1e293b;
}
.hub-ring {
  position: absolute;
  border: 1px dashed var(--border);
  border-radius: 50%;
  opacity: 0.4;
  animation: rotateHub 35s linear infinite;
  transform-origin: center;
}
body.dark-theme .hub-ring {
  border-color: rgba(255,255,255,0.08);
}
.hub-ring-1 {
  width: 150px;
  height: 150px;
}
.hub-ring-2 {
  width: 220px;
  height: 220px;
  animation-duration: 50s;
  animation-direction: reverse;
}
.hub-node {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background-color: var(--white);
  border: 1px solid var(--border);
  position: absolute;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--blue);
  box-shadow: 0 4px 10px rgba(0,0,0,0.05);
  font-size: 16px;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  z-index: 3;
}
body.dark-theme .hub-node {
  background-color: #1e293b;
  border-color: rgba(255,255,255,0.08);
}
.hub-node:hover {
  transform: scale(1.15) !important;
  border-color: var(--cyan);
  box-shadow: 0 0 15px rgba(6,182,212,0.3);
}

/* Redesigned Premium Components */

/* 1. Platform Architecture 3D Stack */
.arch-stack-container {
  display: flex;
  flex-direction: column;
  gap: 20px;
  max-width: 900px;
  margin: 40px auto 0;
  perspective: 1000px;
}
.arch-layer-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: 0 4px 20px rgba(15,23,42,0.03);
  transition: var(--transition);
  cursor: pointer;
  position: relative;
  overflow: hidden;
  transform-style: preserve-3d;
}
.arch-layer-card:hover {
  transform: translateY(-5px) rotateX(2deg);
  box-shadow: 0 20px 40px rgba(15,23,42,0.08);
}
.arch-layer-card.active {
  border-color: var(--blue);
  background: linear-gradient(135deg, var(--white) 0%, rgba(37, 99, 235, 0.02) 100%);
  box-shadow: 0 20px 40px rgba(37,99,235,0.08);
}
.arch-layer-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: var(--muted);
  transition: var(--transition);
}
.arch-layer-card.active::before {
  background: var(--theme-color, var(--blue));
}
.arch-layer-card.layer-experience { --theme-color: var(--blue); }
.arch-layer-card.layer-intelligence { --theme-color: var(--violet); }
.arch-layer-card.layer-platform { --theme-color: var(--cyan); }

.arch-layer-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
}
.arch-layer-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--navy);
}
body.dark-theme .arch-layer-title {
  color: #fff;
}
.arch-layer-badge {
  font-size: 11px;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 20px;
  background: rgba(15,23,42,0.05);
  color: var(--muted);
  text-transform: uppercase;
}
.arch-layer-card.active .arch-layer-badge {
  background: var(--bg-soft, rgba(37,99,235,0.1));
  color: var(--theme-color, var(--blue));
}
.arch-layer-card.layer-experience.active { --bg-soft: rgba(37,99,235,0.1); }
.arch-layer-card.layer-intelligence.active { --bg-soft: rgba(124,58,237,0.1); }
.arch-layer-card.layer-platform.active { --bg-soft: rgba(6,182,212,0.1); }

.arch-layer-details {
  display: grid;
  grid-template-columns: 2fr 3fr;
  gap: 24px;
  max-height: 0;
  opacity: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, opacity 0.4s ease, margin-top 0.4s ease;
}
.arch-layer-card.active .arch-layer-details {
  max-height: 250px;
  opacity: 1;
  margin-top: 16px;
}
.arch-layer-techs {
  list-style: none;
  font-size: 12px;
  color: var(--muted);
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.arch-layer-techs li {
  display: flex;
  align-items: center;
  gap: 8px;
}
.arch-layer-techs li::before {
  content: "✓";
  color: var(--theme-color, var(--blue));
  font-weight: bold;
}

/* 2. Feature Explorer Showcase (Fonksiyonlar) */
.feat-explorer {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 40px;
  margin-top: 40px;
  align-items: start;
}
.feat-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.feat-item {
  padding: 16px 20px;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: var(--transition);
  position: relative;
  display: flex;
  align-items: center;
  gap: 16px;
}
.feat-item:hover {
  border-color: var(--blue);
  background: var(--soft);
}
.feat-item.active {
  border-color: var(--blue);
  background: var(--soft);
  box-shadow: 0 4px 20px rgba(37,99,235,0.05);
}
.feat-num {
  font-size: 18px;
  font-weight: 800;
  color: var(--muted);
  transition: var(--transition);
}
.feat-item.active .feat-num {
  color: var(--blue);
}
.feat-info h3 {
  font-size: 14px;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 2px;
}
body.dark-theme .feat-info h3 {
  color: #fff;
}
.feat-info p {
  font-size: 12px;
  color: var(--secondary);
}
.feat-progress {
  position: absolute;
  bottom: 0;
  left: 0;
  height: 2px;
  background: var(--blue);
  width: 0;
  transition: width 0.3s;
}
.feat-item.active .feat-progress {
  width: 100%;
}

.feat-display-pane {
  background: var(--navy-light);
  border-radius: var(--radius-lg);
  padding: 32px;
  min-height: 380px;
  border: 1px solid rgba(255,255,255,0.06);
  box-shadow: var(--shadow);
  color: white;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: sticky;
  top: 100px;
  overflow: hidden;
}
body.dark-theme .feat-display-pane {
  background: #0f172a;
}
.feat-pane-glow {
  position: absolute;
  top: -40%;
  right: -30%;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(37, 99, 235, 0.15) 0%, transparent 70%);
  pointer-events: none;
}
.feat-pane-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid rgba(255,255,255,0.08);
  padding-bottom: 16px;
  margin-bottom: 20px;
  position: relative;
  z-index: 2;
}
.feat-pane-badge {
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--cyan);
  letter-spacing: 0.05em;
  background: rgba(6,182,212,0.12);
  padding: 4px 10px;
  border-radius: 12px;
}
.feat-pane-title {
  font-size: 20px;
  font-weight: 800;
  line-height: 1.3;
  margin-bottom: 12px;
  color: #fff;
  position: relative;
  z-index: 2;
}
.feat-pane-desc {
  font-size: 13px;
  color: #cbd5e1;
  line-height: 1.6;
  margin-bottom: 24px;
  position: relative;
  z-index: 2;
}
.feat-pane-visual {
  flex: 1;
  background: #070e17;
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--radius-sm);
  padding: 16px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  position: relative;
  z-index: 2;
  overflow: hidden;
}
body.dark-theme .feat-pane-visual {
  background: #090d16;
}

/* 3. Interactive Timeline (Süreç Akışı) */
.timeline-flow {
  position: relative;
  max-width: 900px;
  margin: 50px auto 0;
  padding: 20px 0;
}
.timeline-flow::before {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  width: 2px;
  background: var(--border);
  transform: translateX(-50%);
  z-index: 1;
}
body.dark-theme .timeline-flow::before {
  background: rgba(255,255,255,0.08);
}
.timeline-step-card {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  margin-bottom: 40px;
  position: relative;
  z-index: 2;
}
.timeline-step-card:last-child {
  margin-bottom: 0;
}
.timeline-node-dot {
  position: absolute;
  left: 50%;
  top: 12px;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--white);
  border: 2px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 800;
  color: var(--muted);
  transform: translateX(-50%);
  z-index: 3;
  transition: var(--transition);
}
body.dark-theme .timeline-node-dot {
  background: #1e293b;
  border-color: rgba(255,255,255,0.08);
}
.timeline-step-card:hover .timeline-node-dot {
  border-color: var(--blue);
  color: var(--blue);
  box-shadow: 0 0 15px rgba(37,99,235,0.2);
}
.timeline-content-bubble {
  background: var(--soft);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
  transition: var(--transition);
}
.timeline-step-card:hover .timeline-content-bubble {
  background: var(--white);
  transform: translateY(-3px);
  box-shadow: var(--shadow);
  border-color: var(--blue);
}
.timeline-step-card:nth-child(odd) .timeline-content-bubble {
  grid-column: 1;
}
.timeline-step-card:nth-child(even) .timeline-content-bubble {
  grid-column: 2;
}
.timeline-content-bubble h4 {
  font-size: 15px;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 6px;
}
body.dark-theme .timeline-content-bubble h4 {
  color: #fff;
}
.timeline-content-bubble p {
  font-size: 12px;
  color: var(--secondary);
  line-height: 1.6;
}

/* 4. Stakeholder Tab Showcase (Paydaş Hedefleri) */
.st-container {
  margin-top: 40px;
}
.st-tabs-nav {
  display: flex;
  gap: 8px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 30px;
}
.st-tab-btn {
  border: 1px solid var(--border);
  background: var(--white);
  color: var(--secondary);
  padding: 10px 18px;
  border-radius: 30px;
  cursor: pointer;
  font-size: 13px;
  font-weight: 600;
  transition: var(--transition);
}
body.dark-theme .st-tab-btn {
  background: #0b1f33;
}
.st-tab-btn:hover {
  border-color: var(--blue);
  color: var(--blue);
}
.st-tab-btn.active {
  background: var(--blue);
  color: white;
  border-color: var(--blue);
  box-shadow: 0 4px 12px rgba(37,99,235,0.25);
}
.st-display-panel {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--shadow);
  transition: var(--transition);
  animation: fadeIn 0.4s ease forwards;
}
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}
.st-panel-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 40px;
  align-items: center;
}
.st-panel-left h3 {
  font-size: 22px;
  font-weight: 800;
  color: var(--navy);
  margin-bottom: 12px;
}
body.dark-theme .st-panel-left h3 {
  color: #fff;
}
.st-panel-left p {
  font-size: 14px;
  color: var(--secondary);
  line-height: 1.6;
  margin-bottom: 20px;
}
.st-panel-badge-label {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--muted);
  display: block;
  margin-bottom: 8px;
}
.st-panel-badges {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}
.st-panel-badge {
  background: rgba(37, 99, 235, 0.08);
  color: var(--blue);
  font-size: 11px;
  font-weight: 600;
  padding: 6px 14px;
  border-radius: 20px;
}

.st-panel-right {
  background: var(--soft);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
}
.st-panel-quote {
  font-size: 13px;
  color: var(--secondary);
  font-style: italic;
  line-height: 1.6;
  margin-bottom: 12px;
}
.st-panel-author {
  font-size: 12px;
  font-weight: 700;
  color: var(--navy);
}
body.dark-theme .st-panel-author {
  color: #fff;
}

/* RESPONSIVE UPGRADES FOR NEW INTERACTIVE COMPONENTS */
@media (max-width: 980px) {
  .feat-explorer {
    grid-template-columns: 1fr;
  }
  .feat-display-pane {
    position: static;
    min-height: auto;
  }
  .timeline-flow::before {
    left: 20px;
  }
  .timeline-node-dot {
    left: 20px;
  }
  .timeline-step-card {
    grid-template-columns: 1fr;
    gap: 0;
    padding-left: 50px;
  }
  .timeline-step-card:nth-child(odd) .timeline-content-bubble,
  .timeline-step-card:nth-child(even) .timeline-content-bubble {
    grid-column: 1;
  }
  .st-panel-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  .arch-layer-details {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  .arch-layer-card.active .arch-layer-details {
    max-height: 500px;
  }
}

@media (max-width: 680px) {
  .fragmented-visual {
    transform: scale(0.85);
    transform-origin: center center;
    margin: 20px auto;
    width: 100%;
    max-width: 320px;
    min-height: 300px;
  }
  .tool-a { left: 2%; }
  .tool-b { right: 2%; }
  .tool-c { left: 0%; }
  .tool-d { right: 0%; }
  
  .arch-layer-card {
    padding: 16px;
  }
  .arch-layer-card.active .arch-layer-details {
    max-height: none;
  }
  .feat-display-pane {
    padding: 16px;
  }
}