:root {
  --bg: #f4f7fb;
  --card: #ffffff;
  --line: #d8e0ec;
  --text: #14202f;
  --muted: #5e6f86;
  --accent: #1769ff;
  --accent-soft: #e8f0ff;
  --danger: #c83e3e;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
}

body {
  font-family: "Avenir Next", "Segoe UI", "PingFang SC", sans-serif;
  color: var(--text);
  background: radial-gradient(circle at 10% 10%, #f7fbff 0%, var(--bg) 45%, #eef3fb 100%);
}

.bg-blur {
  position: fixed;
  border-radius: 50%;
  filter: blur(14px);
  opacity: 0.28;
  pointer-events: none;
}

.bg-blur.one {
  width: 260px;
  height: 260px;
  background: #5f9bff;
  left: -80px;
  top: 24px;
}

.bg-blur.two {
  width: 220px;
  height: 220px;
  background: #46bdb8;
  right: -70px;
  bottom: 20px;
}

.marketing-body {
  display: grid;
  grid-template-rows: auto 1fr;
}

.marketing-nav {
  width: min(1060px, calc(100% - 2rem));
  margin: 0 auto;
  padding: 1rem 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.marketing-brand {
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: 0.03em;
}

.marketing-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.marketing-main {
  width: min(1060px, calc(100% - 2rem));
  margin: 0 auto;
  display: flex;
  align-items: center;
  padding: 1.2rem 0 2.4rem;
}

.hero-card {
  width: min(780px, 100%);
  border: 1px solid var(--line);
  background: color-mix(in srgb, var(--card) 94%, #f0f5ff 6%);
  border-radius: 20px;
  padding: 2.2rem;
  box-shadow: 0 14px 40px rgba(13, 40, 86, 0.08);
}

.eyebrow {
  margin: 0;
  color: var(--accent);
  font-size: 0.82rem;
  font-weight: 650;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero-card h1 {
  margin: 0.5rem 0 0;
  font-size: clamp(1.7rem, 3vw, 2.5rem);
  line-height: 1.18;
}

.lead {
  margin: 1rem 0 0;
  color: var(--muted);
  font-size: 1.02rem;
  line-height: 1.7;
}

.hero-actions {
  margin-top: 1.45rem;
  display: flex;
  gap: 0.8rem;
  flex-wrap: wrap;
}

.solid-link,
.ghost-link,
.solid-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  padding: 0.42rem 1rem;
  border-radius: 10px;
  font-size: 0.94rem;
  text-decoration: none;
  transition: all 140ms ease;
}

.solid-link,
.solid-btn {
  border: 1px solid transparent;
  background: var(--accent);
  color: #fff;
}

.solid-link:hover,
.solid-btn:hover {
  background: #0f58d8;
}

.ghost-link {
  border: 1px solid var(--line);
  background: #fff;
  color: var(--text);
}

.ghost-link:hover {
  border-color: #b6c3d7;
  background: #f9fbff;
}

.auth-body {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}

.auth-main {
  width: min(440px, 100%);
}

.auth-card {
  position: relative;
  border: 1px solid var(--line);
  background: var(--card);
  border-radius: 18px;
  padding: 1.8rem 1.3rem 1.2rem;
  box-shadow: 0 16px 38px rgba(17, 45, 89, 0.09);
}

.back-home {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.86rem;
}

.auth-card h1 {
  margin: 0.7rem 0 0;
  font-size: 1.55rem;
}

.auth-subtitle {
  margin: 0.45rem 0 0;
  color: var(--muted);
  font-size: 0.92rem;
}

.auth-form {
  margin-top: 1rem;
  display: grid;
  gap: 0.8rem;
}

.auth-form label {
  display: grid;
  gap: 0.35rem;
  font-size: 0.9rem;
  color: var(--text);
}

.auth-form input {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 0.54rem 0.65rem;
  font-size: 0.96rem;
  font-family: inherit;
  background: #fff;
}

.auth-form input:focus {
  outline: 0;
  border-color: color-mix(in srgb, var(--accent) 55%, #ffffff 45%);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent-soft) 85%, transparent);
}

.solid-btn {
  width: 100%;
  cursor: pointer;
  border-radius: 10px;
  font-family: inherit;
}

.solid-btn:disabled {
  opacity: 0.7;
  cursor: default;
}

.auth-error {
  margin: 0;
  min-height: 1.15rem;
  color: var(--danger);
  font-size: 0.86rem;
}

.auth-switch {
  margin: 0.85rem 0 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.auth-switch a {
  color: var(--accent);
  text-decoration: none;
}

.hidden {
  display: none !important;
}

@media (max-width: 640px) {
  .hero-card {
    padding: 1.45rem;
    border-radius: 14px;
  }

  .auth-card {
    padding: 1.4rem 1rem 1rem;
    border-radius: 14px;
  }
}