:root {
  --bg-0: #05070b;
  --bg-1: #0b0f1a;
  --bg-2: #0f172a;
  --card: rgba(14, 20, 36, 0.85);
  --card-border: rgba(90, 120, 200, 0.18);
  --text: #e6f0ff;
  --muted: #9fb0c9;
  --accent: #5ad7ff;
  --accent-2: #7b5dff;
  --accent-3: #35f0c6;
  --glow: rgba(90, 215, 255, 0.35);
  --shadow: 0 24px 60px rgba(5, 7, 12, 0.65);
  --radius: 18px;
  --radius-lg: 26px;
  --scroll-offset: 64px;
  --font-title: "Space Grotesk", "Plus Jakarta Sans", sans-serif;
  --font-body: "Sora", "Inter", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--scroll-offset);
}

body {
  margin: 0;
  color: var(--text);
  font-family: var(--font-body);
  background:
    radial-gradient(1000px 600px at 10% -10%, rgba(90, 120, 255, 0.18), transparent 60%),
    radial-gradient(800px 480px at 90% 10%, rgba(53, 240, 198, 0.12), transparent 60%),
    linear-gradient(180deg, var(--bg-0) 0%, var(--bg-1) 50%, #070a12 100%);
  min-height: 100vh;
}

img {
  max-width: 100%;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
}

.container {
  width: min(1180px, 92vw);
  margin: 0 auto;
}

.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(5, 7, 11, 0.7);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(120, 160, 220, 0.15);
}

.nav-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px 20px;
  padding: 14px 0;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-title);
  font-weight: 600;
  letter-spacing: 0.02em;
  min-width: 200px;
}

.brand-logo {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  box-shadow: 0 0 22px rgba(90, 215, 255, 0.45);
}

.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.05;
}

.brand-name {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text);
  letter-spacing: 0.01em;
}

.brand-wordmark {
  height: 28px;
  width: auto;
  max-width: 180px;
  margin-bottom: 2px;
}

.brand-text small {
  font-size: 0.75rem;
  color: var(--muted);
  font-weight: 500;
}

.brand-mark {
  width: 38px;
  height: 38px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  box-shadow: 0 0 25px rgba(90, 215, 255, 0.5);
}

.nav-links {
  display: flex;
  gap: 12px 14px;
  flex-wrap: wrap;
  justify-content: flex-start;
  align-items: center;
  row-gap: 6px;
  font-size: 0.88rem;
  color: var(--muted);
  flex: 1 1 420px;
  padding-left: 14px;
  margin-left: 6px;
}

.nav-links a {
  white-space: nowrap;
  line-height: 1.2;
}

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

.nav-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  justify-content: flex-end;
  row-gap: 8px;
  margin-left: auto;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 12px 20px;
  border-radius: 999px;
  font-weight: 600;
  border: 1px solid transparent;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
  cursor: pointer;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #071119;
  box-shadow: 0 10px 30px rgba(90, 215, 255, 0.35);
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 14px 34px rgba(90, 215, 255, 0.45);
}

.btn-outline {
  border-color: rgba(120, 170, 240, 0.4);
  color: var(--text);
  background: rgba(15, 23, 42, 0.6);
}

.btn-outline:hover {
  transform: translateY(-1px);
  border-color: rgba(120, 170, 240, 0.7);
}

.hero {
  position: relative;
  overflow: hidden;
  padding: 24px 0 46px;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(700px 380px at 20% 20%, rgba(90, 215, 255, 0.18), transparent 60%),
    radial-gradient(540px 300px at 80% 20%, rgba(123, 93, 255, 0.16), transparent 60%),
    linear-gradient(180deg, rgba(5, 7, 11, 0.6), rgba(5, 7, 11, 0.9)),
    var(--hero-bg, url("/static/landing/hero-wave.png"));
  background-size: cover;
  background-position: center;
  opacity: 0.9;
  z-index: 0;
}

.hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
  gap: 36px;
  align-items: flex-start;
}

.hero h1 {
  font-family: var(--font-title);
  font-size: clamp(2.4rem, 3.8vw, 3.6rem);
  line-height: 1.1;
  margin: 0 0 18px;
}

.hero p {
  color: var(--muted);
  font-size: 1.05rem;
  line-height: 1.7;
  margin: 0 0 26px;
}

.hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 24px;
}

.tag {
  padding: 6px 14px;
  font-size: 0.78rem;
  letter-spacing: 0.02em;
  border-radius: 999px;
  border: 1px solid rgba(120, 160, 220, 0.2);
  background: rgba(12, 18, 32, 0.7);
  color: #cfe5ff;
}

.hero-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

.login-card {
  background: var(--card);
  border-radius: var(--radius-lg);
  border: 1px solid var(--card-border);
  box-shadow: var(--shadow);
  padding: 28px;
  align-self: flex-start;
}

.login-card h3 {
  margin: 0 0 8px;
  font-family: var(--font-title);
}

.login-card p {
  margin: 0 0 20px;
  color: var(--muted);
  font-size: 0.95rem;
}

.login-media img {
  width: 100%;
  max-height: 260px;
  object-fit: cover;
  border-radius: 16px;
}

.form-grid {
  display: grid;
  gap: 14px;
}

.input {
  width: 100%;
  padding: 12px 14px;
  border-radius: 12px;
  border: 1px solid rgba(120, 160, 220, 0.25);
  background: rgba(8, 13, 23, 0.85);
  color: var(--text);
}

.input:focus {
  outline: 2px solid rgba(90, 215, 255, 0.45);
  border-color: transparent;
}

.section {
  padding: 44px 0;
}

section[id] {
  scroll-margin-top: var(--scroll-offset);
}

.section-title {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 28px;
}

.section-title h2 {
  font-family: var(--font-title);
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  margin: 0;
}

.section-title p {
  margin: 0;
  color: var(--muted);
}

.product-grid {
  display: grid;
  gap: 22px;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.product-card {
  background: rgba(12, 18, 32, 0.7);
  border: 1px solid rgba(120, 160, 220, 0.2);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  display: grid;
  gap: 16px;
}

.product-card img {
  width: 100%;
  height: 200px;
  object-fit: cover;
}

.product-body {
  padding: 18px 20px 24px;
  display: grid;
  gap: 12px;
}

.pill {
  align-self: flex-start;
  padding: 6px 12px;
  border-radius: 999px;
  font-size: 0.75rem;
  background: rgba(90, 215, 255, 0.15);
  color: #bfefff;
  border: 1px solid rgba(90, 215, 255, 0.35);
}

.feature-grid {
  display: grid;
  gap: 20px;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.feature-card {
  background: rgba(12, 18, 32, 0.65);
  border: 1px solid rgba(90, 120, 200, 0.18);
  border-radius: 16px;
  padding: 20px;
  display: grid;
  gap: 10px;
}

.use-cases {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 18px;
}

.use-card {
  padding: 18px;
  border-radius: 16px;
  border: 1px solid rgba(90, 120, 200, 0.18);
  background: rgba(10, 16, 28, 0.7);
  display: block;
  transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

.use-card:hover {
  transform: translateY(-1px);
  border-color: rgba(90, 215, 255, 0.35);
  box-shadow: 0 12px 24px rgba(8, 12, 22, 0.45);
}

.about-grid {
  display: grid;
  gap: 24px;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
}

.values {
  display: grid;
  gap: 10px;
}

.values li {
  list-style: none;
  padding: 10px 14px;
  border-radius: 12px;
  background: rgba(12, 18, 32, 0.6);
  border: 1px solid rgba(120, 160, 220, 0.15);
}

.cta-band {
  margin-top: 40px;
  padding: 28px;
  border-radius: 20px;
  background: linear-gradient(135deg, rgba(90, 215, 255, 0.18), rgba(123, 93, 255, 0.12));
  border: 1px solid rgba(90, 215, 255, 0.3);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
}

.form-card {
  background: rgba(10, 16, 28, 0.8);
  border-radius: 18px;
  border: 1px solid rgba(120, 160, 220, 0.2);
  padding: 22px;
}

.form-card h3 {
  margin: 0 0 10px;
  font-family: var(--font-title);
}

.form-row {
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
}

.checkbox {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  font-size: 0.85rem;
  color: var(--muted);
}

.faq-grid {
  display: grid;
  gap: 16px;
}

.faq-item {
  padding: 16px;
  border-radius: 14px;
  background: rgba(12, 18, 32, 0.7);
  border: 1px solid rgba(120, 160, 220, 0.2);
}

.chat-launcher {
  position: fixed;
  right: 22px;
  bottom: 22px;
  z-index: 70;
  width: 52px;
  height: 52px;
  border-radius: 50%;
  border: none;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  box-shadow: 0 12px 30px rgba(90, 215, 255, 0.35);
  cursor: pointer;
  color: #061017;
  font-weight: 700;
}

.chat-panel {
  position: fixed;
  right: 22px;
  bottom: 90px;
  width: min(360px, 92vw);
  background: rgba(7, 11, 20, 0.95);
  border-radius: 18px;
  border: 1px solid rgba(120, 160, 220, 0.25);
  box-shadow: var(--shadow);
  overflow: hidden;
  display: none;
  z-index: 70;
}

.chat-panel.active {
  display: block;
}

.chat-header {
  padding: 14px 18px;
  border-bottom: 1px solid rgba(120, 160, 220, 0.15);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-weight: 600;
}

.chat-body {
  max-height: 320px;
  overflow-y: auto;
  padding: 16px;
  display: grid;
  gap: 10px;
}

.chat-msg {
  padding: 10px 12px;
  border-radius: 12px;
  font-size: 0.9rem;
  line-height: 1.4;
}

.chat-msg.bot {
  background: rgba(90, 215, 255, 0.12);
  border: 1px solid rgba(90, 215, 255, 0.2);
}

.chat-msg.user {
  background: rgba(123, 93, 255, 0.12);
  border: 1px solid rgba(123, 93, 255, 0.2);
  justify-self: end;
}

.chat-form {
  padding: 14px;
  border-top: 1px solid rgba(120, 160, 220, 0.15);
  display: grid;
  gap: 10px;
}

.chat-form .input {
  padding: 10px 12px;
}

.reveal {
  opacity: 0;
  transform: translateY(16px) scale(0.98);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0) scale(1);
}

.footer {
  padding: 40px 0 60px;
  color: var(--muted);
  font-size: 0.9rem;
}

.footer-logo {
  width: 200px;
  margin-bottom: 12px;
}

.footer-grid {
  display: grid;
  gap: 20px;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
}

@media (max-width: 980px) {
  .hero-grid {
    grid-template-columns: 1fr;
  }
  .about-grid {
    grid-template-columns: 1fr;
  }
  .nav-links {
    display: none;
  }
}

@media (max-width: 1180px) {
  .nav-links {
    flex-basis: 100%;
    order: 3;
    padding-left: 0;
    margin-left: 0;
    justify-content: flex-start;
  }
  .nav-actions {
    order: 2;
    margin-left: 0;
  }
}

@media (max-width: 680px) {
  .nav-actions {
    display: none;
  }
  .hero {
    padding-top: 70px;
  }
  .cta-band {
    flex-direction: column;
    align-items: flex-start;
  }
}