:root {
--blue: #0b61ff;
--dark-blue: #0040c1;
--bg: #ffffff;
--text: #1a1a1a;
--maxw: 1100px;
--radius: 10px;
--transition: 0.2s ease;
font-family: Inter, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial;
}

body {
margin: 0;
background: var(--bg);
color: var(--text);
-webkit-font-smoothing: antialiased;
-moz-osx-font-smoothing: grayscale;
line-height: 1.6;
}

a { color: var(--blue); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--dark-blue); }

header {
border-bottom: 1px solid rgba(11,97,255,0.08);
background: rgba(255,255,255,0.8);
backdrop-filter: blur(8px);
position: sticky;
top: 0;
z-index: 100;
}

.container {
max-width: var(--maxw);
margin: 0 auto;
padding: 20px;
}

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

.brand {
display: flex;
align-items: center;
gap: 12px;
}

.logo {
width: 46px;
height: 46px;
display: grid;
place-items: center;
font-weight: 700;
font-size: 18px;
border: 2px solid var(--blue);
border-radius: var(--radius);
color: var(--blue);
}

.brand-text .name {
font-weight: 700;
}

.brand-text .subtitle {
font-size: 12px;
opacity: 0.8;
}

nav ul {
display: flex;
align-items: center;
list-style: none;
margin: 0;
padding: 0;
gap: 18px;
}

.cta, .cta-outline {
padding: 8px 16px;
border-radius: var(--radius);
font-weight: 600;
font-size: 14px;
transition: all var(--transition);
}

.cta {
background: var(--blue);
color: white;
border: 2px solid var(--blue);
}
.cta:hover {
background: var(--dark-blue);
}

.cta-outline {
background: transparent;
border: 2px solid var(--blue);
color: var(--blue);
}
.cta-outline:hover {
background: var(--blue);
color: white;
}

.hero {
padding: 80px 0;
background: linear-gradient(180deg, #f7faff 0%, #ffffff 100%);
}

.hero-grid {
display: grid;
grid-template-columns: 1fr 1fr;
gap: 40px;
align-items: center;
}

.hero-text h1 {
font-size: 58px;
margin: 0 0 12px;
color: var(--blue);
}

.hero-text h2 {
font-size: 44px;
margin: 0 0 12px;
color: var(--blue);
}

.hero-text p {
font-size: 18px;
opacity: 0.9;
max-width: 520px;
}

.hero-actions {
margin-top: 24px;
display: flex;
gap: 14px;
}

.button {
display: inline-block;
padding: 10px 20px;
border-radius: var(--radius);
font-weight: 600;
text-decoration: none;
transition: all var(--transition);
}

.button.primary {
background: var(--blue);
color: white;
}
.button.primary:hover {
background: var(--dark-blue);
}

.button.secondary {
border: 2px solid var(--blue);
color: var(--blue);
}
.button.secondary:hover {
background: var(--blue);
color: white;
}

.chip {
display: inline-block;
background: rgba(11,97,255,0.08);
color: var(--blue);
padding: 6px 12px;
border-radius: 20px;
font-size: 13px;
font-weight: 600;
margin-bottom: 10px;
}

.section {
padding: 80px 0;
text-align: center;
}


.section h2 {
font-size: 36px;
color: var(--blue);
margin-bottom: 20px;
}

.features {
display: grid;
grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
gap: 20px;
margin-top: 30px;
}

.feature {
padding: 20px;
border: 1px solid rgba(11,97,255,0.1);
border-radius: var(--radius);
background: #fff;
text-align: left;
box-shadow: 0 4px 12px rgba(11,97,255,0.05);
transition: box-shadow var(--transition);
}
.feature:hover {
box-shadow: 0 8px 20px rgba(11,97,255,0.1);
}

footer {
border-top: 1px solid rgba(11,97,255,0.08);
padding: 24px 0;
font-size: 13px;
}

.footer {
display: flex;
justify-content: space-between;
align-items: center;
flex-wrap: wrap;
gap: 10px;
}

@media (max-width: 880px) {
.hero-grid {
grid-template-columns: 1fr;
text-align: center;
}
.hero-text p {
margin: 0 auto;
}
.hero-actions {
justify-content: center;
}
}

/* Auth Panel */
.auth-panel {
  max-width: 500px;
  margin: 40px auto;
  padding: 30px;
  background: #fff;
  border-radius: var(--radius);
  box-shadow: 0 8px 20px rgba(11,97,255,0.1);
}

.auth-panel h3 {
  font-size: 28px;
  margin-bottom: 10px;
  color: var(--blue);
}

.auth-panel .lead {
  font-size: 16px;
  margin-bottom: 20px;
  color: var(--text);
  opacity: 0.85;
}

.auth-panel .field {
  margin-bottom: 18px;
  text-align: left;
}

.auth-panel .field label {
  display: block;
  font-weight: 600;
  margin-bottom: 6px;
}

.auth-panel .field input {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid rgba(11,97,255,0.2);
  border-radius: var(--radius);
  font-size: 14px;
  transition: border var(--transition);
}

.auth-panel .field input:focus {
  outline: none;
  border-color: var(--blue);
  box-shadow: 0 0 4px rgba(11,97,255,0.3);
}

.auth-panel .submit button {
  width: 100%;
  padding: 12px 14px;
  font-size: 16px;
  border-radius: var(--radius);
  font-weight: 600;
  border: none;
  background: var(--blue);
  color: white;
  cursor: pointer;
  transition: background var(--transition);
}

.auth-panel .submit button:hover {
  background: var(--dark-blue);
}

.auth-panel #formMsg {
  margin-top: 12px;
  font-size: 14px;
  color: red;
  min-height: 20px;
}

.auth-panel .login {
  margin-top: 20px;
  text-align: center;
}

.auth-panel .login button {
  background: transparent;
  border: 2px solid var(--blue);
  color: var(--blue);
  padding: 10px 16px;
  border-radius: var(--radius);
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
}

.auth-panel .login button:hover {
  background: var(--blue);
  color: white;
}

/* Responsive */
@media (max-width: 600px) {
  .auth-panel {
    margin: 20px;
    padding: 20px;
  }
}