/* ============ Base ============ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Microsoft YaHei', sans-serif;
  color: #1a3a3a;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  background: #e8f2ee;
  min-height: 100vh;
  overflow-x: hidden;
  background-image:
    radial-gradient(ellipse 50% 35% at 18% 22%, rgba(168, 207, 197, 0.55) 0%, transparent 60%),
    radial-gradient(ellipse 45% 30% at 82% 18%, rgba(190, 220, 212, 0.5) 0%, transparent 60%),
    radial-gradient(ellipse 60% 40% at 50% 50%, rgba(240, 248, 245, 0.7) 0%, transparent 70%),
    radial-gradient(ellipse 40% 30% at 15% 78%, rgba(170, 210, 200, 0.5) 0%, transparent 60%),
    radial-gradient(ellipse 50% 35% at 88% 82%, rgba(180, 215, 205, 0.45) 0%, transparent 65%),
    radial-gradient(ellipse 35% 25% at 60% 90%, rgba(200, 225, 218, 0.55) 0%, transparent 60%),
    linear-gradient(135deg, #e3eee8 0%, #ecf4f0 35%, #f0f6f2 60%, #e6f0eb 100%);
  background-attachment: fixed;
}
a { color: inherit; text-decoration: none; }

.nav-inner, .hero-inner, .section, .features-strip, .cta-final, .footer-inner {
  max-width: 1180px;
  margin: 0 auto;
  padding-left: 32px;
  padding-right: 32px;
}

/* ============ Reveal animations ============ */
.reveal {
  opacity: 0;
  transform: translate3d(0, 28px, 0);
  transition:
    opacity 0.7s cubic-bezier(0.22, 1, 0.36, 1),
    transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
  will-change: opacity, transform;
}
.reveal.in {
  opacity: 1;
  transform: translate3d(0, 0, 0);
}

@keyframes float-y {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}
@keyframes pulse-soft {
  0%, 100% { box-shadow: 0 0 0 0 rgba(74, 155, 133, 0.35), 0 12px 30px rgba(45, 110, 94, 0.12); }
  50% { box-shadow: 0 0 0 14px rgba(74, 155, 133, 0), 0 12px 30px rgba(45, 110, 94, 0.18); }
}
@keyframes typing-pop {
  0% { opacity: 0; transform: translateY(8px) scale(0.96); }
  100% { opacity: 1; transform: translateY(0) scale(1); }
}
@keyframes progress-fill {
  0% { width: 0%; }
  100% { width: 72%; }
}
@keyframes ripple {
  to { transform: scale(4); opacity: 0; }
}
@keyframes shimmer {
  0% { background-position: -120% 0; }
  100% { background-position: 220% 0; }
}

.float-anim { animation: float-y 6s ease-in-out infinite; }
.pulse-anim { animation: pulse-soft 3s ease-in-out infinite; }

.typing-in {
  opacity: 0;
  animation: typing-pop 0.55s cubic-bezier(0.22, 1, 0.36, 1) forwards;
  animation-delay: var(--d, 0s);
}
.progress-anim {
  animation: progress-fill 2.2s cubic-bezier(0.22, 1, 0.36, 1) 2s forwards;
}

/* ripple click effect */
.ripple { position: relative; overflow: hidden; }
.ripple-dot {
  position: absolute;
  width: 12px; height: 12px;
  margin: -6px 0 0 -6px;
  border-radius: 50%;
  background: rgba(255,255,255,0.5);
  pointer-events: none;
  animation: ripple 0.7s ease-out;
}

/* parallax background layer behind hero */
.parallax-bg {
  position: absolute;
  inset: -20% 0 0 0;
  z-index: -1;
  pointer-events: none;
  background:
    radial-gradient(ellipse 40% 30% at 20% 30%, rgba(150, 200, 185, 0.4) 0%, transparent 60%),
    radial-gradient(ellipse 35% 25% at 80% 20%, rgba(170, 215, 200, 0.35) 0%, transparent 60%);
  will-change: transform;
}

/* ============ Nav ============ */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(12px) saturate(140%);
  -webkit-backdrop-filter: blur(12px) saturate(140%);
  background: rgba(245, 250, 247, 0.35);
  border-bottom: 1px solid rgba(120, 165, 150, 0);
  transition: background 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
}
.nav.scrolled {
  background: rgba(245, 250, 247, 0.78);
  border-bottom-color: rgba(120, 165, 150, 0.18);
  box-shadow: 0 4px 24px rgba(45, 110, 94, 0.06);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}
.brand { display: flex; align-items: center; gap: 10px; }
.brand-mark {
  width: 28px; height: 28px;
  border-radius: 8px;
  background: linear-gradient(135deg, #2d6e5e 0%, #4a9b85 50%, #88c4b0 100%);
  box-shadow: 0 2px 8px rgba(45, 110, 94, 0.25);
  position: relative;
  transition: transform 0.3s;
  display: grid;
  place-items: center;
  color: #fff;
  font-size: 15px;
  font-weight: 700;
}
.brand:hover .brand-mark { transform: rotate(8deg) scale(1.08); }
.brand-mark::after {
  content: '';
  position: absolute;
  inset: 6px;
  border-radius: 4px;
  border: 1px solid rgba(255,255,255,0.45);
  pointer-events: none;
}
.brand-copy { display: flex; flex-direction: column; gap: 1px; line-height: 1.05; }
.brand-name { font-weight: 700; font-size: 18px; color: #1a3a3a; }
.brand-url { font-size: 11px; font-weight: 500; color: #63847a; }
.nav-links { display: flex; gap: 36px; }
.nav-links a {
  font-size: 14px; font-weight: 500; color: #3a5a52;
  position: relative;
  transition: color 0.18s;
}
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -6px; left: 50%;
  width: 0; height: 2px;
  background: #2d6e5e;
  border-radius: 2px;
  transition: width 0.25s, left 0.25s;
}
.nav-links a:hover { color: #1a3a3a; }
.nav-links a:hover::after { width: 100%; left: 0; }
.nav-actions { display: flex; align-items: center; gap: 18px; }
.link-muted { font-size: 14px; color: #3a5a52; font-weight: 500; transition: color 0.15s; }
.link-muted:hover { color: #1a3a3a; }

/* ============ Buttons ============ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 20px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 600;
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 0.22s cubic-bezier(0.22, 1, 0.36, 1);
  white-space: nowrap;
}
.btn-lg { padding: 14px 28px; font-size: 15px; }
.btn-block { display: block; width: 100%; text-align: center; }
.btn-primary { background: #1a3a3a; color: #f0f6f2; }
.btn-primary:hover {
  background: #0d2424;
  transform: translateY(-2px);
  box-shadow: 0 10px 24px rgba(26, 58, 58, 0.3);
}
.btn-ghost {
  background: rgba(255,255,255,0.5);
  color: #1a3a3a;
  border-color: rgba(45, 110, 94, 0.2);
  backdrop-filter: blur(6px);
}
.btn-ghost:hover {
  background: rgba(255,255,255,0.92);
  border-color: rgba(45, 110, 94, 0.45);
  transform: translateY(-2px);
}

/* ============ Hero ============ */
.hero {
  padding-top: 90px;
  padding-bottom: 60px;
  position: relative;
}
.hero-inner {
  text-align: center;
  max-width: 980px;
  opacity: var(--hero-fade, 1);
  transform: translateY(var(--hero-lift, 0));
  transition: none;
}
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  background: rgba(255,255,255,0.65);
  border: 1px solid rgba(45, 110, 94, 0.15);
  border-radius: 999px;
  font-size: 13px;
  color: #3a5a52;
  margin-bottom: 28px;
  backdrop-filter: blur(8px);
}
.eyebrow .dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: #4a9b85;
  box-shadow: 0 0 0 3px rgba(74, 155, 133, 0.25);
  animation: pulse-soft 2s ease-in-out infinite;
}
.hero-title {
  font-family: 'Noto Serif SC', 'Inter', serif;
  font-size: clamp(40px, 6.4vw, 76px);
  font-weight: 600;
  line-height: 1.12;
  letter-spacing: -1px;
  color: #0d2424;
  margin-bottom: 28px;
}
.title-accent {
  background: linear-gradient(135deg, #2d6e5e 0%, #4a9b85 50%, #6bb09a 100%);
  background-size: 200% auto;
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  font-style: italic;
  padding: 0 6px;
  display: inline-block;
  animation: shimmer 4s linear infinite;
}
.hero-sub { font-size: 18px; color: #3a5a52; margin-bottom: 36px; }
.hero-cta { display: flex; gap: 14px; justify-content: center; margin-bottom: 24px; flex-wrap: wrap; }
.hero-meta { font-size: 13px; color: #5a7a72; margin-bottom: 60px; }
.hero-meta .sep { margin: 0 10px; opacity: 0.5; }
.hero-preview { position: relative; margin-top: 24px; }

/* Window mockup (small / hero) */
.window {
  background: rgba(255,255,255,0.85);
  border: 1px solid rgba(120, 165, 150, 0.2);
  border-radius: 14px;
  box-shadow: 0 20px 60px rgba(45, 110, 94, 0.18), 0 4px 12px rgba(45, 110, 94, 0.08);
  overflow: hidden;
  backdrop-filter: blur(12px);
  text-align: left;
}
.window-sm { max-width: 880px; margin: 0 auto; }
.window-bar {
  display: flex;
  align-items: center;
  padding: 12px 16px;
  background: rgba(230, 240, 235, 0.6);
  border-bottom: 1px solid rgba(120, 165, 150, 0.15);
  gap: 6px;
  position: relative;
}
.dot-r, .dot-y, .dot-g { width: 11px; height: 11px; border-radius: 50%; }
.dot-r { background: #ff5f57; }
.dot-y { background: #febc2e; }
.dot-g { background: #28c840; }
.window-title {
  position: absolute; left: 50%; transform: translateX(-50%);
  font-size: 12px; font-weight: 500; color: #5a7a72;
}
.window-body { padding: 28px 32px; display: flex; flex-direction: column; gap: 14px; }
.chat-msg {
  padding: 14px 18px;
  border-radius: 14px;
  font-size: 14px; line-height: 1.55;
  max-width: 78%;
}
.chat-msg.user {
  background: #1a3a3a; color: #ecf4f0;
  align-self: flex-end;
  border-bottom-right-radius: 4px;
}
.chat-msg.assistant {
  background: rgba(230, 245, 238, 0.7);
  border: 1px solid rgba(120, 165, 150, 0.2);
  color: #1a3a3a;
  align-self: flex-start;
  border-bottom-left-radius: 4px;
}
.chat-msg.compact { padding: 10px 16px; }
.chat-msg code {
  font-family: 'JetBrains Mono', monospace;
  font-size: 12.5px;
  background: rgba(45, 110, 94, 0.1);
  padding: 1px 6px; border-radius: 4px;
  color: #2d6e5e;
}
.badge {
  display: inline-block;
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  padding: 2px 8px; border-radius: 4px;
  background: rgba(45, 110, 94, 0.15);
  color: #2d6e5e; font-weight: 600;
  margin-right: 6px;
}
.badge.green { background: #4a9b85; color: white; }
.progress {
  margin-top: 12px;
  background: rgba(255,255,255,0.5);
  border-radius: 8px;
  padding: 8px 10px;
}
.progress-bar {
  height: 4px;
  background: linear-gradient(90deg, #4a9b85, #6bb09a);
  border-radius: 4px;
  margin-bottom: 6px;
  width: 0;
}
.progress-meta { font-size: 12px; color: #5a7a72; font-family: 'JetBrains Mono', monospace; }
.inline-link { color: #2d6e5e; font-weight: 600; margin-left: 8px; cursor: pointer; }

/* ============ Section base ============ */
.section { padding-top: 100px; padding-bottom: 60px; }
.section-tight { padding-top: 60px; padding-bottom: 30px; }
.section-head { margin-bottom: 48px; max-width: 720px; }
.section-head.center { text-align: center; margin-left: auto; margin-right: auto; }
.section-eyebrow {
  font-size: 13px; font-weight: 600; color: #2d6e5e;
  text-transform: uppercase; letter-spacing: 1.5px;
  margin-bottom: 14px;
}
.section-title {
  font-family: 'Noto Serif SC', serif;
  font-size: clamp(28px, 3.6vw, 44px);
  font-weight: 600;
  color: #0d2424;
  letter-spacing: -0.5px;
  line-height: 1.2;
  margin-bottom: 14px;
}
.section-sub { font-size: 16px; color: #3a5a52; }

/* ============ App Showcase (high-fidelity recreation) ============ */
.showcase-section { padding-top: 80px; }
.app-frame {
  perspective: 1400px;
  max-width: 1200px;
  margin: 0 auto;
  position: relative;
  padding: 20px;
}
.app-window {
  background: #f7faf8;
  background-image:
    radial-gradient(ellipse 40% 35% at 20% 20%, rgba(180, 215, 205, 0.4) 0%, transparent 65%),
    radial-gradient(ellipse 35% 30% at 85% 80%, rgba(170, 210, 200, 0.35) 0%, transparent 65%),
    linear-gradient(160deg, #f0f6f2 0%, #f7faf8 100%);
  border-radius: 16px;
  border: 1px solid rgba(120, 165, 150, 0.22);
  box-shadow:
    0 30px 80px rgba(45, 110, 94, 0.22),
    0 8px 20px rgba(45, 110, 94, 0.08),
    inset 0 1px 0 rgba(255,255,255,0.6);
  overflow: hidden;
  transition: transform 0.3s ease-out;
  transform-style: preserve-3d;
}
.app-titlebar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 18px;
  background: rgba(255,255,255,0.4);
  border-bottom: 1px solid rgba(120, 165, 150, 0.12);
}
.app-tab {
  display: flex; align-items: center; gap: 8px;
  font-size: 14px; color: #1a3a3a; font-weight: 500;
}
.app-tab-edit { color: #88a89e; cursor: pointer; font-size: 12px; }
.app-tab-sep { color: #88a89e; }
.app-tab-folder { color: #88a89e; }
.app-tb-actions { display: flex; gap: 14px; }
.tb-icon { color: #5a7a72; font-size: 14px; cursor: pointer; user-select: none; }

.app-body { display: grid; grid-template-columns: 220px 1fr; min-height: 580px; }

/* sidebar */
.app-sidebar {
  background: rgba(255,255,255,0.35);
  border-right: 1px solid rgba(120, 165, 150, 0.14);
  padding: 16px 12px 60px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  position: relative;
  overflow: hidden;
}
.app-sidebar::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 40% at 30% 20%, rgba(170, 215, 200, 0.4) 0%, transparent 60%),
    radial-gradient(ellipse 50% 35% at 60% 80%, rgba(180, 220, 208, 0.3) 0%, transparent 60%);
  pointer-events: none;
  z-index: 0;
}
.app-sidebar > * { position: relative; z-index: 1; }
.sb-group { display: flex; flex-direction: column; gap: 2px; }
.sb-item {
  display: flex; align-items: center; gap: 10px;
  padding: 8px 12px;
  border-radius: 8px;
  font-size: 13.5px;
  color: #1a3a3a;
  cursor: pointer;
  transition: background 0.15s;
}
.sb-item:hover { background: rgba(255,255,255,0.7); }
.sb-icon { font-size: 14px; color: #5a7a72; width: 16px; }
.sb-divider {
  height: 1px;
  background: rgba(120, 165, 150, 0.18);
  margin: 14px 8px 8px;
}
.sb-title {
  font-size: 12px;
  color: #5a7a72;
  padding: 0 12px 6px;
  font-weight: 600;
}
.sb-assistant {
  display: grid;
  grid-template-columns: 12px 20px 1fr 16px;
  align-items: center;
  gap: 6px;
  padding: 7px 10px;
  border-radius: 8px;
  font-size: 13.5px;
  color: #1a3a3a;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s;
}
.sb-assistant:hover { background: rgba(255,255,255,0.7); }
.sb-assistant.active { background: rgba(255,255,255,0.85); }
.sb-caret { color: #88a89e; font-size: 10px; }
.sb-emoji { font-size: 14px; }
.sb-plus { color: #88a89e; font-size: 14px; text-align: right; opacity: 0; transition: opacity 0.15s; }
.sb-assistant:hover .sb-plus { opacity: 1; }
.sb-chat {
  display: grid;
  grid-template-columns: 1fr auto auto;
  align-items: center;
  gap: 6px;
  padding: 6px 10px 6px 38px;
  font-size: 12.5px;
  color: #3a5a52;
  border-radius: 8px;
  margin-bottom: 4px;
  cursor: pointer;
  transition: background 0.15s;
}
.sb-chat:hover, .sb-chat.active-chat {
  background: rgba(255,255,255,0.9);
  border: 1px solid rgba(120, 165, 150, 0.25);
  padding: 5px 9px 5px 37px;
}
.sb-chat-meta { font-size: 11px; color: #88a89e; }
.sb-chat-del { font-size: 11px; opacity: 0.5; }
.sb-settings {
  margin-top: auto;
  padding: 8px 12px;
  font-size: 13px;
  color: #3a5a52;
  display: flex; align-items: center; gap: 8px;
  cursor: pointer;
  position: absolute;
  bottom: 16px; left: 12px; right: 12px;
  z-index: 1;
}

/* main */
.app-main {
  display: flex;
  flex-direction: column;
  position: relative;
}
.chat-empty {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 40px;
}
.logo-circle {
  width: 88px; height: 88px;
  border-radius: 50%;
  background: rgba(255,255,255,0.7);
  border: 1px solid rgba(120, 165, 150, 0.25);
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  box-shadow: 0 12px 30px rgba(45, 110, 94, 0.12);
  margin-bottom: 20px;
}
.logo-mql {
  font-family: 'Noto Serif SC', serif;
  font-size: 20px; font-weight: 700;
  color: #2d6e5e;
  letter-spacing: 1px;
  line-height: 1;
}
.logo-cn {
  font-size: 10px;
  color: #5a7a72;
  margin-top: 4px;
}
.chat-empty-title {
  font-family: 'Noto Serif SC', serif;
  font-size: 22px; font-weight: 600;
  color: #0d2424;
  margin-bottom: 8px;
}
.chat-empty-sub { font-size: 13.5px; color: #5a7a72; }

.chat-input-wrap { padding: 20px 28px 24px; }
.chat-input {
  background: rgba(255,255,255,0.85);
  border: 1px solid rgba(120, 165, 150, 0.22);
  border-radius: 14px;
  padding: 16px 18px 12px;
  box-shadow: 0 4px 14px rgba(45, 110, 94, 0.06);
  transition: border-color 0.2s, box-shadow 0.2s;
}
.chat-input:hover {
  border-color: rgba(45, 110, 94, 0.35);
  box-shadow: 0 6px 20px rgba(45, 110, 94, 0.1);
}
.chat-placeholder {
  font-size: 14px;
  color: #88a89e;
  padding-bottom: 14px;
}
.chat-toolbar {
  display: flex; align-items: center; gap: 14px;
  font-size: 13px; color: #5a7a72;
}
.chat-tool {
  width: 26px; height: 26px;
  display: inline-flex; align-items: center; justify-content: center;
  border-radius: 6px;
  cursor: pointer;
  font-family: 'JetBrains Mono', monospace;
  transition: background 0.15s;
}
.chat-tool:hover { background: rgba(120, 165, 150, 0.15); }
.chat-model {
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  color: #5a7a72;
  display: flex; align-items: center; gap: 4px;
}
.chat-send {
  margin-left: auto;
  width: 32px; height: 32px;
  border-radius: 50%;
  background: linear-gradient(135deg, #4a9b85, #2d6e5e);
  color: white;
  display: inline-flex; align-items: center; justify-content: center;
  font-weight: 700;
  cursor: pointer;
  box-shadow: 0 4px 12px rgba(45, 110, 94, 0.3);
  transition: transform 0.18s;
}
.chat-send:hover { transform: scale(1.08) rotate(-5deg); }

/* feature bubbles around the app frame */
.showcase-bubbles {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  max-width: 1100px;
  margin: 40px auto 0;
}
.bubble {
  background: rgba(255,255,255,0.72);
  border: 1px solid rgba(120, 165, 150, 0.18);
  border-radius: 14px;
  padding: 16px 20px;
  display: flex;
  align-items: center;
  gap: 14px;
  backdrop-filter: blur(8px);
  transition: transform 0.25s, box-shadow 0.25s, background 0.25s;
}
.bubble:hover {
  transform: translateY(-3px);
  background: rgba(255,255,255,0.95);
  box-shadow: 0 10px 28px rgba(45, 110, 94, 0.12);
}
.bubble-icon {
  width: 36px; height: 36px;
  border-radius: 50%;
  background: linear-gradient(135deg, #4a9b85, #6bb09a);
  display: flex; align-items: center; justify-content: center;
  color: white;
  font-size: 16px;
}
.bubble-text { display: flex; flex-direction: column; }
.bubble-text strong { font-size: 14px; color: #0d2424; margin-bottom: 2px; }
.bubble-text span { font-size: 12.5px; color: #5a7a72; }

/* ============ Cards (8 assistants) ============ */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}
.card {
  background: rgba(255,255,255,0.7);
  border: 1px solid rgba(120, 165, 150, 0.18);
  border-radius: 16px;
  padding: 24px 22px;
  backdrop-filter: blur(8px);
  transition: all 0.28s cubic-bezier(0.22, 1, 0.36, 1);
  position: relative;
  overflow: hidden;
}
.card::before {
  content: '';
  position: absolute;
  top: -50%; left: -50%;
  width: 200%; height: 200%;
  background: radial-gradient(circle, rgba(120, 200, 175, 0.15) 0%, transparent 50%);
  opacity: 0;
  transition: opacity 0.3s;
}
.card:hover {
  transform: translateY(-6px);
  background: rgba(255,255,255,0.95);
  box-shadow: 0 18px 40px rgba(45, 110, 94, 0.14);
  border-color: rgba(45, 110, 94, 0.32);
}
.card:hover::before { opacity: 1; }
.card > * { position: relative; z-index: 1; }
.card-icon {
  width: 42px; height: 42px;
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-size: 20px;
  color: #fff;
  margin-bottom: 16px;
  font-weight: 600;
  transition: transform 0.25s;
}
.card:hover .card-icon { transform: rotate(-6deg) scale(1.06); }
.icon-collect { background: linear-gradient(135deg, #2d6e5e, #4a9b85); }
.icon-ops     { background: linear-gradient(135deg, #355c8b, #5a87b8); }
.icon-copy    { background: linear-gradient(135deg, #6b4a8b, #8b6bb0); }
.icon-img     { background: linear-gradient(135deg, #8b6b4a, #b08b6b); }
.icon-ad      { background: linear-gradient(135deg, #c46a6a, #e08585); }
.icon-cs      { background: linear-gradient(135deg, #6ac494, #88d4a8); }
.icon-cmp     { background: linear-gradient(135deg, #c4a06a, #e0bc85); }
.icon-eng     { background: linear-gradient(135deg, #1a3a3a, #3a5a52); }
.card h3 {
  font-family: 'Noto Serif SC', serif;
  font-size: 18px; font-weight: 600;
  color: #0d2424;
  margin-bottom: 10px;
}
.card > p { font-size: 13.5px; color: #3a5a52; line-height: 1.6; }

/* ============ Platforms ============ */
.platforms {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  max-width: 980px;
  margin: 0 auto;
}
.plat {
  background: rgba(255,255,255,0.6);
  border: 1px solid rgba(120, 165, 150, 0.18);
  border-radius: 12px;
  padding: 18px 22px;
  display: flex; align-items: center; justify-content: space-between;
  backdrop-filter: blur(6px);
  transition: all 0.22s;
}
.plat:hover {
  background: rgba(255,255,255,0.95);
  border-color: rgba(45, 110, 94, 0.4);
  transform: translateY(-2px) scale(1.02);
  box-shadow: 0 8px 20px rgba(45, 110, 94, 0.1);
}
.plat-name { font-weight: 600; font-size: 16px; color: #1a3a3a; }
.plat-meta { font-size: 12px; color: #5a7a72; font-family: 'JetBrains Mono', monospace; }

/* ============ Workflow ============ */
.workflow {
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1fr auto 1fr;
  align-items: stretch;
  gap: 8px;
}
.step {
  background: rgba(255,255,255,0.7);
  border: 1px solid rgba(120, 165, 150, 0.18);
  border-radius: 16px;
  padding: 24px 22px;
  backdrop-filter: blur(6px);
  transition: transform 0.25s, box-shadow 0.25s;
}
.step:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 28px rgba(45, 110, 94, 0.1);
}
.step-num {
  font-family: 'JetBrains Mono', monospace;
  font-size: 13px; font-weight: 600;
  color: #4a9b85;
  margin-bottom: 12px;
  letter-spacing: 1px;
}
.step h4 {
  font-family: 'Noto Serif SC', serif;
  font-size: 18px; font-weight: 600;
  color: #0d2424;
  margin-bottom: 8px;
}
.step p { font-size: 13.5px; color: #3a5a52; line-height: 1.55; }
.step-arrow {
  display: flex; align-items: center; justify-content: center;
  font-size: 22px;
  color: #4a9b85; opacity: 0.6;
}

/* ============ Stats strip ============ */
.features-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  background: rgba(26, 58, 58, 0.92);
  border-radius: 22px;
  padding: 40px 20px;
  margin-top: 80px;
  margin-bottom: 40px;
  max-width: 1180px;
  margin-left: auto; margin-right: auto;
  box-shadow: 0 20px 60px rgba(26, 58, 58, 0.2);
}
.fs-item {
  text-align: center;
  padding: 10px 20px;
  border-right: 1px solid rgba(255,255,255,0.1);
}
.fs-item:last-child { border-right: none; }
.fs-num {
  font-family: 'Noto Serif SC', serif;
  font-size: 42px; font-weight: 600;
  color: #88c4b0;
  margin-bottom: 6px;
  letter-spacing: -1px;
}
.fs-label { font-size: 13px; color: #b8d4cc; }

/* ============ Pricing ============ */
.pricing {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  max-width: 1000px;
  margin: 0 auto;
}
.price-card {
  background: rgba(255,255,255,0.7);
  border: 1px solid rgba(120, 165, 150, 0.2);
  border-radius: 18px;
  padding: 30px 26px;
  position: relative;
  backdrop-filter: blur(8px);
  transition: transform 0.25s, box-shadow 0.25s;
}
.price-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 16px 40px rgba(45, 110, 94, 0.12);
}
.price-card-pro {
  background: linear-gradient(180deg, rgba(255,255,255,0.92), rgba(232, 245, 238, 0.85));
  border-color: rgba(45, 110, 94, 0.4);
  box-shadow: 0 16px 40px rgba(45, 110, 94, 0.15);
  transform: scale(1.04);
}
.price-card-pro:hover { transform: scale(1.04) translateY(-5px); }
.ribbon {
  position: absolute; top: -10px; right: 22px;
  background: #1a3a3a; color: #ecf4f0;
  font-size: 11px; font-weight: 600;
  padding: 4px 12px;
  border-radius: 999px;
  letter-spacing: 1px;
}
.price-tier {
  font-size: 14px; font-weight: 600;
  color: #2d6e5e; letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 12px;
}
.price-amount {
  font-family: 'Noto Serif SC', serif;
  font-size: 40px; font-weight: 600;
  color: #0d2424; letter-spacing: -1px;
  margin-bottom: 4px;
}
.price-month { font-size: 16px; color: #5a7a72; font-weight: 400; }
.price-period { font-size: 13px; color: #5a7a72; margin-bottom: 20px; }
.price-feats {
  list-style: none;
  margin-bottom: 22px;
  border-top: 1px solid rgba(120, 165, 150, 0.18);
  padding-top: 16px;
}
.price-feats li {
  font-size: 14px; color: #3a5a52;
  padding: 6px 0 6px 22px;
  position: relative;
}
.price-feats li::before {
  content: '✓';
  position: absolute; left: 0;
  color: #4a9b85; font-weight: 700;
}

/* ============ FAQ ============ */
.faq { max-width: 800px; margin: 0 auto; }
.faq details {
  background: rgba(255,255,255,0.6);
  border: 1px solid rgba(120, 165, 150, 0.18);
  border-radius: 12px;
  padding: 18px 24px;
  margin-bottom: 10px;
  backdrop-filter: blur(6px);
  transition: all 0.22s;
}
.faq details:hover { border-color: rgba(45, 110, 94, 0.3); }
.faq details[open] { background: rgba(255,255,255,0.95); }
.faq summary {
  cursor: pointer;
  font-weight: 600;
  color: #0d2424;
  font-size: 15.5px;
  list-style: none;
  display: flex; justify-content: space-between; align-items: center;
}
.faq summary::after {
  content: '+';
  font-size: 22px; font-weight: 300;
  color: #4a9b85;
  transition: transform 0.25s;
}
.faq details[open] summary::after { transform: rotate(45deg); }
.faq details p {
  margin-top: 12px;
  font-size: 14px; color: #3a5a52;
  line-height: 1.7;
}

/* ============ CTA final ============ */
.cta-final {
  text-align: center;
  padding: 100px 32px 80px;
  max-width: 800px;
}
.cta-final h2 {
  font-family: 'Noto Serif SC', serif;
  font-size: clamp(32px, 4.5vw, 52px);
  font-weight: 600;
  color: #0d2424;
  letter-spacing: -0.5px;
  margin-bottom: 16px;
}
.cta-final p {
  font-size: 17px; color: #3a5a52;
  margin-bottom: 30px;
}
.cta-buttons {
  display: flex; gap: 14px;
  justify-content: center; margin-bottom: 16px;
  flex-wrap: wrap;
}
.cta-meta { font-size: 13px; color: #5a7a72; font-family: 'JetBrains Mono', monospace; }

/* ============ Footer ============ */
.footer {
  border-top: 1px solid rgba(120, 165, 150, 0.18);
  background: rgba(245, 250, 247, 0.5);
  padding-top: 60px;
  backdrop-filter: blur(8px);
}
.footer-inner {
  display: grid;
  grid-template-columns: 1.4fr 3fr;
  gap: 60px;
  padding-bottom: 40px;
}
.footer-brand .brand-mark { margin-bottom: 12px; }
.footer-brand .brand-name { display: block; margin-bottom: 6px; }
.footer-tag { font-size: 13px; color: #5a7a72; }
.footer-cols { display: grid; grid-template-columns: repeat(4, 1fr); gap: 30px; }
.footer-cols h5 {
  font-size: 13px; font-weight: 600;
  color: #1a3a3a;
  text-transform: uppercase; letter-spacing: 1px;
  margin-bottom: 14px;
}
.footer-cols a {
  display: block;
  font-size: 14px; color: #5a7a72;
  padding: 4px 0;
  transition: color 0.15s, transform 0.15s;
}
.footer-cols a:hover { color: #1a3a3a; transform: translateX(3px); }
.footer-bottom {
  border-top: 1px solid rgba(120, 165, 150, 0.15);
  padding: 22px 32px;
  text-align: center;
  font-size: 13px; color: #5a7a72;
}

/* ============ Responsive ============ */
@media (max-width: 1100px) {
  .cards-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 960px) {
  .nav-links { display: none; }
  .app-body { grid-template-columns: 1fr; }
  .app-sidebar { display: none; }
  .cards-grid, .platforms, .pricing, .showcase-bubbles { grid-template-columns: 1fr; }
  .workflow { grid-template-columns: 1fr; }
  .step-arrow { transform: rotate(90deg); padding: 4px 0; }
  .features-strip { grid-template-columns: repeat(2, 1fr); }
  .fs-item:nth-child(2) { border-right: none; }
  .footer-inner { grid-template-columns: 1fr; gap: 40px; }
  .footer-cols { grid-template-columns: repeat(2, 1fr); }
  .price-card-pro, .price-card-pro:hover { transform: none; }
}

/* ============ Reduced motion ============ */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  .reveal { opacity: 1; transform: none; }
}