* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Segoe UI", Arial, sans-serif;
  color: #1a1f2e;
  background: #f4f6fa;
  line-height: 1.5;
}

.wrap {
  width: min(960px, calc(100% - 32px));
  margin: 0 auto;
}

a {
  color: #2f6fed;
}

.site-header {
  background: #fff;
  border-bottom: 1px solid #e4e8f0;
}

.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 64px;
  gap: 16px;
}

.logo {
  font-weight: 700;
  color: #1a1f2e;
  text-decoration: none;
}

nav {
  display: flex;
  gap: 16px;
}

nav a {
  text-decoration: none;
  color: #3d4656;
  font-size: 14px;
}

.nav-login {
  font-weight: 650;
  color: #2f6fed;
}

.nav-button {
  padding: 0;
  border: 0;
  background: transparent;
  color: #3d4656;
  font: inherit;
  font-size: 14px;
  cursor: pointer;
}

.hero {
  padding: 72px 0 56px;
}

.eyebrow {
  margin: 0 0 8px;
  color: #2f6fed;
  font-weight: 600;
  font-size: 13px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

h1 {
  margin: 0 0 12px;
  font-size: 40px;
  letter-spacing: -0.03em;
  line-height: 1.15;
}

.lead {
  max-width: 620px;
  color: #5b6475;
  font-size: 18px;
}

.button {
  display: inline-block;
  margin-top: 20px;
  padding: 12px 18px;
  border: 0;
  border-radius: 10px;
  background: #2f6fed;
  color: #fff;
  font-size: 15px;
  font-weight: 650;
  text-decoration: none;
  cursor: pointer;
}

.button:hover {
  background: #2158c7;
}

.button:disabled,
.nav-button:disabled {
  opacity: 0.65;
  cursor: wait;
}

.section {
  padding: 48px 0;
}

.section.alt {
  background: #fff;
}

h2 {
  margin: 0 0 20px;
  font-size: 28px;
}

.cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.card {
  background: #fff;
  border: 1px solid #e4e8f0;
  border-radius: 12px;
  padding: 18px;
}

.section.alt .card {
  background: #f8fafc;
}

.card h3 {
  margin: 0 0 8px;
  font-size: 18px;
}

.card p,
.steps {
  margin: 0;
  color: #5b6475;
}

.steps {
  padding-left: 20px;
}

.steps li + li {
  margin-top: 10px;
}

.contact-form {
  display: grid;
  gap: 12px;
  max-width: 480px;
}

.contact-form label {
  display: grid;
  gap: 6px;
  font-size: 13px;
  font-weight: 600;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid #d5dbe6;
  border-radius: 8px;
  font: inherit;
}

.form-status {
  margin: 0;
  color: #146c43;
  font-size: 14px;
}

.form-status.error {
  color: #b42318;
}

.auth-page,
.account-page {
  min-height: calc(100vh - 65px);
  padding: 48px 16px;
}

.auth-card,
.account-card {
  width: min(100%, 520px);
  margin: 0 auto;
  padding: 28px;
  border: 1px solid #e4e8f0;
  border-radius: 16px;
  background: #fff;
}

.account-card {
  width: min(100%, 680px);
}

.auth-card h1,
.account-card h1 {
  margin: 0;
  font-size: 32px;
}

.auth-intro {
  margin: 10px 0 22px;
  color: #5b6475;
}

.auth-tabs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4px;
  margin-bottom: 22px;
  padding: 4px;
  border-radius: 10px;
  background: #eef1f6;
}

.auth-tab {
  padding: 10px 12px;
  border: 0;
  border-radius: 8px;
  background: transparent;
  color: #5b6475;
  font: inherit;
  font-weight: 650;
  cursor: pointer;
}

.auth-tab.active {
  background: #fff;
  color: #1a1f2e;
}

.account-form {
  display: grid;
  gap: 10px;
}

.account-form label {
  display: grid;
  gap: 6px;
  font-size: 13px;
  font-weight: 650;
}

.account-form input {
  width: 100%;
  min-height: 42px;
  padding: 10px 12px;
  border: 1px solid #d5dbe6;
  border-radius: 8px;
  font: inherit;
}

.account-form input:focus {
  outline: 2px solid #2f6fed;
  outline-offset: 1px;
  border-color: #2f6fed;
}

.account-form .button {
  width: 100%;
  margin-top: 10px;
}

.field-help {
  margin: -4px 0 4px;
  color: #6b7383;
  font-size: 12px;
}

.auth-links {
  margin: 4px 0 0;
  text-align: center;
  font-size: 14px;
}

.auth-links a {
  text-decoration: none;
}

.account-heading {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 20px;
}

.account-email {
  margin: 4px 0 0;
  color: #5b6475;
  font-size: 14px;
  word-break: break-all;
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

[hidden] {
  display: none !important;
}

.site-footer {
  padding: 24px 0;
  border-top: 1px solid #e4e8f0;
  color: #6b7383;
  font-size: 13px;
}

@media (max-width: 760px) {
  h1 {
    font-size: 30px;
  }

  .cards {
    grid-template-columns: 1fr;
  }

  .form-grid {
    grid-template-columns: 1fr;
  }

  .account-heading {
    display: block;
  }

  nav {
    flex-wrap: wrap;
    justify-content: flex-end;
  }
}