.google-auth-button { align-items: center; background: #fff; border-color: #c7d4d2; color: #172b2a; display: flex; gap: .75rem; justify-content: center; min-height: 2.9rem; width: 100%; }
.google-auth-button:hover { background: #f8fbfa; border-color: #91aaa6; }
.google-mark { flex: 0 0 1.25rem; height: 1.25rem; width: 1.25rem; }
.auth-separator { align-items: center; color: var(--muted); display: flex; gap: .75rem; margin: 1rem 0; }
.auth-separator::before, .auth-separator::after { background: currentColor; content: ""; flex: 1; height: 1px; opacity: .25; }
.auth-separator span { font-size: .82rem; white-space: nowrap; }

.signup-layout { align-items: stretch; display: grid; gap: clamp(1.5rem, 4vw, 4rem); grid-template-columns: minmax(0, 1.05fr) minmax(22rem, .95fr); margin: clamp(1rem, 4vw, 3.5rem) auto; max-width: 72rem; }
.signup-intro { background: linear-gradient(145deg, #073d39, #0f766e 68%, #139486); border-radius: 1.5rem; color: #fff; display: flex; flex-direction: column; justify-content: center; min-height: 38rem; overflow: hidden; padding: clamp(1.5rem, 4vw, 3.5rem); position: relative; }
.signup-intro::after { background: rgb(255 255 255 / 8%); border-radius: 50%; bottom: -8rem; content: ""; height: 22rem; position: absolute; right: -7rem; width: 22rem; }
.signup-intro .eyebrow { color: #a7f3d0; }
.signup-intro h1 { color: #fff; font-size: clamp(2.2rem, 4vw, 4rem); line-height: 1.02; max-width: 12ch; }
.signup-intro p { color: #d8f3ef; max-width: 36rem; }
.signup-intro img { border: 1px solid rgb(255 255 255 / 20%); border-radius: 1rem; margin: 1.25rem 0; max-height: 13rem; object-fit: cover; width: 100%; }
.signup-intro ul { display: flex; flex-wrap: wrap; gap: .6rem 1.2rem; list-style: none; margin: 0; padding: 0; position: relative; z-index: 1; }
.signup-intro li::before { color: #f8cf72; content: "✓"; font-weight: 900; margin-right: .4rem; }
.signup-card { align-self: center; margin: 0; max-width: none; width: 100%; }
.signup-card h2 { font-size: clamp(2rem, 4vw, 3rem); }
.auth-switch { margin-bottom: 0; text-align: center; }

.marketing-features { padding: clamp(3rem, 7vw, 6rem) 0; }
.section-heading { max-width: 48rem; }
.marketing-feature-grid { display: grid; gap: 1rem; grid-template-columns: repeat(3, 1fr); margin-top: 2rem; }
.marketing-feature-grid article { background: #fff; border: 1px solid var(--border); border-radius: 1.2rem; box-shadow: var(--shadow-sm); padding: 1.5rem; }
.marketing-feature-grid article > span { color: var(--primary); font-size: .8rem; font-weight: 900; letter-spacing: .12em; }
.marketing-feature-grid h3 { margin-bottom: .5rem; }
.marketing-feature-grid p { color: var(--muted); margin: 0; }
.marketing-cta { align-items: center; background: linear-gradient(120deg, #073d39, #0f766e); border-radius: 1.5rem; color: #fff; display: flex; gap: 2rem; justify-content: space-between; margin-bottom: 3rem; padding: clamp(1.5rem, 4vw, 3rem); }
.marketing-cta h2 { color: #fff; margin-bottom: 0; max-width: 24ch; }
.marketing-cta .eyebrow { color: #a7f3d0; }
.marketing-cta .button { background: #fff; color: #075b54; flex: 0 0 auto; }

@media (max-width: 800px) {
  .signup-layout, .marketing-feature-grid { grid-template-columns: 1fr; }
  .signup-intro { min-height: auto; }
  .signup-intro img { max-height: 10rem; }
  .marketing-cta { align-items: flex-start; flex-direction: column; }
}

@media (max-width: 520px) {
  .signup-layout { margin-top: .5rem; }
  .signup-intro { border-radius: 1rem; padding: 1.25rem; }
  .signup-intro img { display: none; }
  .signup-card { padding: 1.25rem; }
  .marketing-cta .button { width: 100%; }
}