/* RESET */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

/* VARIABLES */
:root {
  --green: #7a9e2e;
  --green-dark: #5f7d1f;
  --green-light: #a8c84a;
  --cream: #fdf3e7;
  --cream-dark: #f0e0c8;
  --text: #2b2b2b;
  --text-muted: #888;
  --radius: 14px;
  --shadow: 0 4px 18px rgba(0,0,0,0.08);
}

/* BASE */
body {
  font-family: 'Lato', sans-serif;
  background: var(--cream);
  color: var(--text);
  min-height: 100vh;
}

/* NAV */
nav {
  background: #fff;
  border-bottom: 1px solid var(--cream-dark);
  padding: 10px 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 10;
}

.nav-logo {
  font-family: 'Nunito', sans-serif;
  font-size: 20px;
  font-weight: 800;
  color: var(--green);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 8px;
}

.logo-img {
  height: 45px;
  width: auto;
  display: block;
  object-fit: contain;
}

.nav-links {
  display: flex;
  gap: 8px;
}

.nav-links a {
  text-decoration: none;
  color: var(--text);
  font-size: 14px;
  font-weight: 600;
  padding: 8px 14px;
  border-radius: 10px;
  transition: background 0.2s, color 0.2s;
}

.nav-links a:hover {
  background: var(--green);
  color: #fff;
}

/* SIGNUP HERO */
.signup-hero {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  gap: 60px;
  padding: 70px 40px;
  max-width: 1100px;
  margin: 0 auto;
}

/* INTRO SIDE */
.signup-intro {
  flex: 1;
  max-width: 420px;
  padding-top: 10px;
}

.section-tag {
  display: inline-block;
  background: var(--green-light);
  color: var(--green-dark);
  font-size: 12px;
  font-weight: 800;
  padding: 4px 14px;
  border-radius: 20px;
  margin-bottom: 18px;
}

.signup-intro h1 {
  font-size: 38px;
  font-weight: 900;
  line-height: 1.2;
  color: var(--green-dark);
  margin-bottom: 16px;
}

.signup-intro p {
  font-size: 15px;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 28px;
}

.perk-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.perk-list li {
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
  background: #fff;
  padding: 12px 16px;
  border-radius: 10px;
  box-shadow: var(--shadow);
  border-left: 4px solid var(--green);
}

/* SIGNUP CARD */
.signup-card {
  background: #fff;
  padding: 36px;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  width: 440px;
  flex-shrink: 0;
}

.signup-card h2 {
  font-size: 22px;
  font-weight: 900;
  color: var(--green-dark);
  margin-bottom: 4px;
}

.card-sub {
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 24px;
}

/* FIELDS */
.field-row {
  display: flex;
  gap: 14px;
  margin-bottom: 0;
}

.field-row .field {
  flex: 1;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 16px;
}

.field label {
  font-size: 13px;
  font-weight: 700;
  color: var(--text);
}

.field input {
  padding: 10px 14px;
  border: 1.5px solid var(--cream-dark);
  border-radius: 10px;
  font-size: 14px;
  font-family: 'Lato', sans-serif;
  outline: none;
  transition: border-color 0.2s;
  background: #fff;
}

.field input:focus {
  border-color: var(--green);
}

/* PLAN TOGGLE */
.plan-toggle {
  margin-bottom: 20px;
}

.plan-label {
  font-size: 13px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 10px;
}

.plan-options {
  display: flex;
  gap: 12px;
}

.plan-option {
  flex: 1;
  cursor: pointer;
}

.plan-option input[type="radio"] {
  display: none;
}

.plan-box {
  border: 2px solid var(--cream-dark);
  border-radius: var(--radius);
  padding: 14px;
  text-align: center;
  transition: border-color 0.2s, background 0.2s;
  position: relative;
  background: #fff;
}

.plan-option.selected .plan-box {
  border-color: var(--green);
  background: #f6fbee;
}

.plan-badge {
  display: inline-block;
  background: var(--green);
  color: #fff;
  font-size: 10px;
  font-weight: 800;
  padding: 2px 10px;
  border-radius: 20px;
  margin-bottom: 6px;
}

.plan-name {
  font-size: 14px;
  font-weight: 800;
  color: var(--green-dark);
  margin-bottom: 2px;
}

.plan-price {
  font-size: 22px;
  font-weight: 900;
  color: var(--text);
}

.plan-price span {
  font-size: 13px;
  font-weight: 400;
  color: var(--text-muted);
}

.plan-desc {
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 4px;
  line-height: 1.4;
}

/* SUBMIT */
.btn-signup {
  width: 100%;
  padding: 13px;
  background: var(--green);
  color: #fff;
  border: none;
  border-radius: 10px;
  font-size: 15px;
  font-weight: 700;
  font-family: 'Lato', sans-serif;
  cursor: pointer;
  transition: background 0.2s;
}

.btn-signup:hover {
  background: var(--green-dark);
}

.login-link {
  text-align: center;
  margin-top: 16px;
  font-size: 13px;
  color: var(--text-muted);
}

.login-link a {
  color: var(--green);
  font-weight: 700;
  text-decoration: none;
}

/* FOOTER */
footer {
  background: #fff;
  border-top: 1px solid var(--cream-dark);
  padding: 22px 40px;
  text-align: center;
  font-size: 13px;
  color: var(--text-muted);
  margin-top: 60px;
}

/* RESPONSIVE */
@media (max-width: 900px) {
  .signup-hero {
    flex-direction: column;
    padding: 40px 24px;
    gap: 36px;
    align-items: stretch;
  }

  .signup-intro {
    max-width: 100%;
  }

  .signup-card {
    width: 100%;
  }

  .field-row {
    flex-direction: column;
    gap: 0;
  }

  nav {
    padding: 14px 24px;
  }
}