:root {
  --bg: #07111f;
  --bg-soft: #0d1b2d;
  --panel: rgba(17, 25, 40, 0.82);
  --panel-strong: #101a2b;
  --card: rgba(12, 19, 31, 0.9);
  --line: rgba(142, 182, 255, 0.16);
  --text: #edf4ff;
  --muted: #a8bbd9;
  --primary: #7c9cff;
  --primary-strong: #5d7dff;
  --primary-2: #54d2ff;
  --accent: #8ef0d4;
  --pink: #ff7ec6;
  --shadow: 0 26px 60px rgba(22, 35, 77, 0.35);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: 'Inter', sans-serif;
  background:
    radial-gradient(circle at top left, rgba(124, 156, 255, 0.18), transparent 25%),
    radial-gradient(circle at bottom right, rgba(142, 240, 212, 0.12), transparent 24%),
    var(--bg);
  color: var(--text);
}

button,
input {
  font: inherit;
}

button {
  cursor: pointer;
}

.page-shell {
  min-height: 100vh;
}

.container {
  width: min(1200px, calc(100% - 32px));
  margin: 0 auto;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 30;
  backdrop-filter: blur(18px);
  background: rgba(7, 17, 31, 0.6);
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 82px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.brand-mark {
  width: 32px;
  height: 32px;
  border-radius: 10px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: #07111f;
  box-shadow: 0 10px 24px rgba(124, 156, 255, 0.4);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav-links a,
.footer-links a {
  color: var(--muted);
  text-decoration: none;
  transition: color 0.2s ease;
}

.nav-links a:hover,
.footer-links a:hover {
  color: var(--text);
}

.nav-cta,
.primary-btn,
.secondary-btn,
.chat-form button,
.price-card button {
  border: 0;
  border-radius: 14px;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.nav-cta,
.primary-btn,
.chat-form button,
.price-card button {
  background: linear-gradient(135deg, var(--primary), var(--primary-strong));
  color: white;
  box-shadow: 0 14px 28px rgba(93, 125, 255, 0.35);
}

.nav-cta {
  padding: 12px 18px;
  font-weight: 600;
}

.nav-login-group {
  display: flex;
  align-items: center;
  gap: 10px;
}

.nav-login-group .secondary-btn {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  color: var(--text);
}

.primary-btn,
.secondary-btn {
  padding: 15px 24px;
  font-weight: 600;
}

.secondary-btn {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  color: var(--text);
}

.nav-cta:hover,
.primary-btn:hover,
.secondary-btn:hover,
.chat-form button:hover,
.price-card button:hover {
  transform: translateY(-1px);
}

.hero {
  padding: 72px 0 40px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.08fr 0.92fr;
  align-items: center;
  gap: 36px;
}

.eyebrow,
.mini-label {
  display: inline-block;
  padding: 7px 12px;
  border-radius: 999px;
  background: rgba(124, 156, 255, 0.12);
  border: 1px solid rgba(124, 156, 255, 0.18);
  color: #dfe7ff;
  font-size: 0.8rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.hero-copy h1 {
  margin: 18px 0 14px;
  font-size: clamp(2.8rem, 4vw, 5rem);
  line-height: 0.96;
  letter-spacing: -0.07em;
}

.hero-copy p {
  max-width: 580px;
  color: var(--muted);
  font-size: 1.08rem;
  line-height: 1.8;
}

.hero-actions {
  display: flex;
  gap: 16px;
  margin-top: 24px;
}

.social-proof {
  display: flex;
  gap: 30px;
  flex-wrap: wrap;
  margin-top: 32px;
}

.social-proof div {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.social-proof strong {
  font-size: 1.4rem;
}

.social-proof span {
  color: var(--muted);
  font-size: 0.95rem;
}

.hero-visual {
  display: flex;
  justify-content: center;
}

.mini-panel {
  width: min(100%, 500px);
  background: rgba(9, 16, 27, 0.88);
  border: 1px solid var(--line);
  border-radius: 28px;
  box-shadow: var(--shadow);
}

.panel-main {
  padding: 18px 18px 20px;
}

.panel-header {
  display: flex;
  align-items: center;
  gap: 8px;
  height: 26px;
  padding-left: 6px;
}

.dot {
  width: 11px;
  height: 11px;
  border-radius: 50%;
  display: inline-block;
}

.dot.red { background: #ff6b6b; }
.dot.yellow { background: #f5cd5f; }
.dot.green { background: #7ae8a7; }

.panel-body {
  padding-top: 18px;
}

.task-card {
  background: linear-gradient(135deg, rgba(124, 156, 255, 0.09), rgba(142, 240, 212, 0.06));
  border: 1px solid rgba(124, 156, 255, 0.2);
  border-radius: 22px;
  padding: 18px 18px 16px;
}

.task-card.highlight {
  position: relative;
  overflow: hidden;
}

.task-card.highlight::after {
  content: "";
  position: absolute;
  inset: 0 auto auto 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
}

.badge {
  display: inline-flex;
  padding: 6px 10px;
  border-radius: 999px;
  background: rgba(124, 156, 255, 0.13);
  color: #dfe7ff;
  font-size: 0.76rem;
  letter-spacing: 0.04em;
}

.task-card h3 {
  margin: 12px 0 8px;
  font-size: 1.2rem;
}

.task-card p {
  margin: 0;
  color: var(--muted);
  line-height: 1.7;
}

.stats-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-top: 16px;
}

.stat-box {
  padding: 14px 16px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(255, 255, 255, 0.04);
}

.stat-box small {
  display: block;
  color: var(--muted);
}

.stat-box strong {
  display: block;
  margin-top: 10px;
  font-size: 1.5rem;
}

.chat-bubble {
  margin-top: 16px;
  color: #ecf2ff;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 18px 18px 18px 6px;
  padding: 14px 16px;
  line-height: 1.7;
}

.feature-strip {
  padding: 26px 0 10px;
}

.strip-grid {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  align-items: center;
  gap: 26px;
  padding: 26px 32px;
  border: 1px solid var(--line);
  border-radius: 24px;
  background: rgba(12, 19, 31, 0.7);
}

.strip-grid h2 {
  margin: 14px 0 0;
  font-size: clamp(2rem, 3vw, 2.4rem);
}

.strip-items {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}

.strip-item {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(255, 255, 255, 0.04);
  border-radius: 18px;
  padding: 18px 16px;
}

.strip-item span {
  font-size: 1.6rem;
}

.strip-item p {
  margin: 10px 0 0;
  color: var(--muted);
  line-height: 1.6;
}

.section-space {
  padding-top: 80px;
}

.section-heading {
  text-align: center;
  margin-bottom: 30px;
}

.section-heading h2 {
  margin-top: 14px;
  font-size: clamp(2rem, 3vw, 3rem);
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
}

.feature-card {
  background: rgba(13, 27, 45, 0.8);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: 24px;
  padding: 24px 22px;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.02);
}

.icon {
  width: 52px;
  height: 52px;
  border-radius: 16px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, rgba(124, 156, 255, 0.18), rgba(142, 240, 212, 0.1));
  font-size: 1.5rem;
}

.feature-card h3 {
  margin: 20px 0 12px;
  font-size: 1.4rem;
}

.feature-card p {
  margin: 0;
  color: var(--muted);
  line-height: 1.8;
}

.roi-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 28px;
  align-items: center;
}

.roi-copy h2 {
  margin-top: 16px;
  font-size: clamp(2.1rem, 3vw, 3rem);
}

.roi-copy p,
.roi-list {
  color: var(--muted);
  line-height: 1.8;
}

.roi-list {
  margin: 22px 0 0;
  padding-left: 18px;
}

.roi-calculator {
  background: rgba(8, 17, 29, 0.9);
  border: 1px solid var(--line);
  border-radius: 24px;
  padding: 24px;
  box-shadow: var(--shadow);
}

.field {
  display: grid;
  gap: 8px;
  margin-bottom: 18px;
}

.field label {
  color: #eaf3ff;
  font-size: 0.95rem;
}

.field input[type='number'] {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 12px;
  color: var(--text);
  padding: 14px 16px;
}

.field input[type='range'] {
  width: 100%;
}

.range-value {
  color: var(--muted);
  font-size: 0.9rem;
}

.result-box {
  margin-top: 18px;
  padding: 18px 16px;
  border-radius: 18px;
  background: linear-gradient(135deg, rgba(124, 156, 255, 0.15), rgba(84, 210, 255, 0.08));
  border: 1px solid rgba(124, 156, 255, 0.2);
}

.result-box small {
  display: block;
  color: var(--muted);
}

.result-box strong {
  display: block;
  margin: 10px 0 8px;
  font-size: clamp(1.8rem, 3vw, 2.4rem);
}

.result-box span {
  color: #dfe7ff;
}

.demo-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 22px;
  align-items: center;
}

.demo-copy p {
  color: var(--muted);
  line-height: 1.8;
  margin-top: 14px;
}

.prompt-list {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
}

.prompt-chip {
  border: 1px solid rgba(124, 156, 255, 0.18);
  background: rgba(124, 156, 255, 0.08);
  color: #edf5ff;
  padding: 10px 14px;
  border-radius: 12px;
}

.provider-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}

.provider-btn {
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.02);
  color: var(--muted);
  padding: 9px 12px;
  border-radius: 999px;
  font-size: 0.84rem;
  transition: all 0.2s ease;
}

.provider-btn.active {
  background: linear-gradient(135deg, rgba(124, 156, 255, 0.2), rgba(84, 210, 255, 0.12));
  border-color: rgba(124, 156, 255, 0.34);
  color: var(--text);
}

.chat-panel {
  background: rgba(9, 16, 27, 0.9);
  border: 1px solid var(--line);
  border-radius: 24px;
  box-shadow: var(--shadow);
  overflow: hidden;
}

.chat-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 22px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}

.chat-header strong {
  display: block;
  font-size: 1.05rem;
}

.chat-header small {
  color: var(--muted);
}

.status-pill {
  padding: 7px 10px;
  border-radius: 999px;
  background: rgba(122, 232, 167, 0.12);
  color: #b8f9d8;
  font-size: 0.8rem;
}

.chat-body {
  padding: 18px 18px 10px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  min-height: 320px;
  max-height: 420px;
  overflow-y: auto;
}

.message {
  max-width: 86%;
  padding: 12px 14px;
  border-radius: 16px;
  line-height: 1.7;
}

.message.ai {
  align-self: flex-start;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.message.user {
  align-self: flex-end;
  background: linear-gradient(135deg, rgba(124, 156, 255, 0.24), rgba(142, 240, 212, 0.12));
  border: 1px solid rgba(124, 156, 255, 0.18);
}

.chat-form {
  display: flex;
  gap: 12px;
  border-top: 1px solid rgba(255, 255, 255, 0.04);
  padding: 18px;
}

.chat-form input {
  flex: 1;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 14px;
  color: var(--text);
  padding: 14px 16px;
}

.chat-form input::placeholder {
  color: #8da5c7;
}

.chat-form button {
  padding: 14px 18px;
  font-weight: 600;
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
}

.price-card {
  background: rgba(13, 27, 45, 0.8);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 24px;
  padding: 22px;
}

.price-card.featured {
  background: linear-gradient(180deg, rgba(92, 125, 255, 0.12), rgba(17, 25, 40, 0.9));
  border-color: rgba(124, 156, 255, 0.36);
  transform: translateY(-6px);
}

.plan {
  color: var(--primary-2);
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.price-card h3 {
  margin: 16px 0 18px;
  font-size: 2.2rem;
}

.price-card h3 span {
  font-size: 1rem;
  color: var(--muted);
}

.price-card ul {
  margin: 0 0 22px;
  padding-left: 16px;
  color: var(--muted);
  line-height: 2;
}

.price-card button {
  width: 100%;
  padding: 12px 16px;
  font-weight: 600;
}

.member-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 24px;
  align-items: center;
}

.member-copy p,
.member-list {
  color: var(--muted);
  line-height: 1.8;
}

.member-list {
  padding-left: 18px;
  margin-top: 20px;
}

.member-panel {
  position: relative;
  background: rgba(8, 17, 29, 0.9);
  border: 1px solid rgba(124, 156, 255, 0.18);
  border-radius: 24px;
  overflow: hidden;
  min-height: 340px;
}

.member-content {
  padding: 24px;
  position: relative;
  z-index: 1;
}

.member-badge {
  display: inline-flex;
  padding: 6px 12px;
  border-radius: 999px;
  background: rgba(142, 240, 212, 0.12);
  color: #dffef5;
  font-size: 0.8rem;
  margin-bottom: 16px;
}

.member-content h3 {
  margin-top: 0;
  margin-bottom: 18px;
  font-size: 1.8rem;
}

.mini-metrics {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-bottom: 18px;
}

.mini-metrics div {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: 16px;
  padding: 16px;
}

.mini-metrics small {
  display: block;
  color: var(--muted);
}

.mini-metrics strong {
  display: block;
  margin-top: 10px;
  font-size: 1.8rem;
}

.member-action-row {
  display: flex;
  gap: 12px;
}

.member-action-row button {
  flex: 1;
}

.member-lock-overlay {
  position: absolute;
  inset: 0;
  background: rgba(7, 17, 31, 0.72);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2;
  transition: opacity 0.25s ease, visibility 0.25s ease;
}

.lock-box {
  text-align: center;
  background: rgba(9, 16, 27, 0.9);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 18px;
  padding: 24px 18px;
  width: min(90%, 280px);
}

.lock-icon {
  font-size: 2rem;
}

.lock-box p {
  color: var(--muted);
  margin: 12px 0 18px;
}

.member-panel.unlocked .member-lock-overlay {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.member-panel.unlocked {
  border-color: rgba(142, 240, 212, 0.3);
}

.member-panel.unlocked .member-content {
  filter: none;
}

.auth-modal {
  position: fixed;
  inset: 0;
  background: rgba(4, 10, 18, 0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
  padding: 24px;
}

.auth-modal.hidden {
  display: none;
}

.auth-card {
  position: relative;
  width: min(420px, 100%);
  background: rgba(9, 16, 27, 0.98);
  border: 1px solid rgba(124, 156, 255, 0.22);
  border-radius: 24px;
  padding: 28px 24px 22px;
  box-shadow: var(--shadow);
}

.auth-card h3 {
  margin: 0 0 10px;
  font-size: 1.8rem;
}

.auth-card p {
  margin: 0 0 18px;
  color: var(--muted);
  line-height: 1.7;
}

.auth-card label {
  display: block;
  margin-bottom: 8px;
  color: #ebf3ff;
}

.auth-card input,
.auth-card select {
  width: 100%;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 12px;
  color: var(--text);
  padding: 14px 16px;
  margin-bottom: 18px;
}

.payment-fields {
  margin-bottom: 12px;
}

.payment-fields.hidden {
  display: none;
}

.payment-summary {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  border-radius: 12px;
  background: rgba(124, 156, 255, 0.06);
  border: 1px solid rgba(124, 156, 255, 0.18);
  color: var(--muted);
  margin-bottom: 18px;
}

.payment-summary strong {
  color: var(--text);
}

.full-width {
  width: 100%;
}

.modal-close {
  position: absolute;
  top: 12px;
  right: 12px;
  width: 34px;
  height: 34px;
  border: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.06);
  color: var(--text);
  font-size: 1.5rem;
  cursor: pointer;
}

.footer {
  padding: 40px 0 60px;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  padding-top: 28px;
}

.footer p {
  margin: 10px 0 0;
  color: var(--muted);
}

.footer-links {
  display: flex;
  gap: 22px;
}

@media (max-width: 920px) {
  .hero-grid,
  .roi-grid,
  .demo-grid,
  .strip-grid,
  .feature-grid,
  .pricing-grid {
    grid-template-columns: 1fr;
  }

  .nav-links {
    display: none;
  }

  .nav-login-group {
    width: 100%;
    justify-content: flex-end;
  }

  .social-proof {
    gap: 18px;
  }

  .strip-items {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 560px) {
  .hero {
    padding-top: 48px;
  }

  .hero-actions,
  .footer-inner,
  .chat-form {
    flex-direction: column;
  }

  .hero-actions button,
  .nav-cta,
  .chat-form button {
    width: 100%;
  }

  .feature-grid,
  .pricing-grid {
    grid-template-columns: 1fr;
  }

  .message {
    max-width: 92%;
  }
}