/* RESET */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family:
    Inter,
    system-ui,
    -apple-system,
    BlinkMacSystemFont,
    sans-serif;
}

body {
  background: #ffffff;
  min-height: 100vh;
}

a {
  text-decoration: none;
  color: inherit;
}

/* =========================
NAVBAR (DESKTOP)
========================= */
header {
  height: 88px;
  display: flex;
  align-items: center;
  padding: 0 40px; /* keeps logo close to left corner */
  background: #fff;
  position: sticky;
  top: 0;
  z-index: 9999;
}
.nav {
  width: 100%;
  display: grid;
  grid-template-columns: 1fr auto 1fr; /* left | center | right */
  align-items: center;
}

/* Left: Logo */
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  justify-self: start;
}
.brand img {
  width: 46px;
  height: 46px;
  object-fit: contain;
}
/*.brand span {
  font-weight: 700;
  font-size: 14px;
  color: #1e3a8a;
}*/

/* Center: Links */
.nav-center {
  justify-self: center;
  display: flex;
  align-items: center;
  gap: 56px;
  font-size: 16px;
  font-weight: 400;
}
/* Right: Actions */
.nav-right {
  justify-self: end;
  display: flex;
  align-items: center;
  gap: 16px;
}

.btn {
  padding: 12px 18px;
  border-radius: 10px;
  border: 1px solid transparent;
  font-weight: 600;
  font-size: 16px;
  background: transparent;
}
.btn-outline {
  border-color: #d1d5db;
  background: #fff;
  color: #0f172a;
}
.btn-solid {
  background: #1e3a8a;
  color: #fff;
  padding: 12px 20px;
}
/* =========================
MOBILE MENU (HIDDEN BY DEFAULT)
========================= */
#menu {
  display: none;
}

.hamburger {
  display: none; /* shown on small screens */
  width: 46px;
  height: 46px;
  border: 1px solid #d1d5db;
  border-radius: 10px;
  background: #fff;
  align-items: center;
  justify-content: center;
  justify-self: end;
  cursor: pointer;
}
.hamburger i {
  width: 20px;
  height: 2px;
  background: #0f172a;
  position: relative;
  display: block;
}
.hamburger i::before,
.hamburger i::after {
  content: "";
  position: absolute;
  left: 0;
  width: 20px;
  height: 2px;
  background: #0f172a;
}
.hamburger i::before {
  top: -6px;
}
.hamburger i::after {
  top: 6px;
}
.mobile-panel {
  display: none;
  width: 100%;
  padding: 14px 0 0;
  grid-column: 1 / -1;
}

.mobile-box {
  border: 1px solid #eef2f7;
  border-radius: 14px;
  padding: 14px;
  background: #fff;
}

.mobile-links {
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: 6px;
  font-weight: 600;
}

.mobile-actions {
  display: flex;
  gap: 12px;
  padding: 10px 6px 6px;
}
.mobile-actions .btn {
  width: 100%;
}

/* checkbox toggle */
#menu:checked ~ .mobile-panel {
  display: block;
}

/* Wrapper */
.auth-wrapper {
  display: flex;
  justify-content: center;
  padding: 40px 16px;
}

/* Card */
.auth-card {
  width: 100%;
  max-width: 720px;
  background: #fff;
  border-radius: 18px;
  padding: 40px;
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.12);
}

/* Heading */
.auth-card h1 {
  text-align: center;
  font-size: 32px;
  font-weight: 600;
  margin-bottom: 32px;
}

/* OAuth */
.oauth {
  display: flex;
  gap: 16px;
  margin-bottom: 24px;
}

.oauth-btn {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 14px;
  border-radius: 10px;
  border: 1px solid #ddd;
  background: #fff;
  font-size: 15px;
  cursor: pointer;
}

.oauth-btn img {
  width: 18px;
}

/* Divider */
.divider {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 28px 0;
}

.divider span {
  flex: 1;
  height: 1px;
  background: #e5e7eb;
}

.divider p {
  font-size: 14px;
  color: #6b7280;
}

/* Form */
.form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.field label {
  font-size: 14px;
  margin-bottom: 6px;
  display: block;
}

.field input {
  width: 100%;
  padding: 14px;
  border-radius: 10px;
  border: 1px solid #d1d5db;
  font-size: 14px;
}

/* Password */
.password-field {
  position: relative;
}

.eye {
  position: absolute;
  right: 14px;
  top: 42px;
  font-size: 16px;
  color: #6b7280;
}

/* Terms */
.terms {
  display: flex;
  gap: 12px;
  font-size: 14px;
  line-height: 1.5;
}

.terms a {
  color: #2563eb;
  text-decoration: none;
}

/* Button */
.submit {
  margin-top: 8px;
  padding: 14px;
  border-radius: 10px;
  border: none;
  background: #1e3a8a;
  color: #fff;
  cursor: pointer;
  font-size: 15px;
  cursor: pointer;
}
.submit:hover {
  background: #040d25; /* darker blue */
  box-shadow: 0 8px 20px rgba(30, 58, 138, 0.25);
}

/* Login */
.login {
  margin-top: 24px;
  text-align: center;
  font-size: 14px;
}

.login a {
  color: #2563eb;
  text-decoration: none;
}

/* =========================
   Responsive (Desktop-first)
   Start at 1280px and go down
   ========================= */

/* 1280px and below (large laptops) */
/*navbar*/
@media (max-width: 1280px) {
  header {
    padding: 0 32px;
  }
  .nav-center {
    gap: 44px;
  }
}

@media (max-width: 1024px) {
  header {
    padding: 0 24px;
  }
  .nav-center {
    gap: 34px;
  }
  .btn {
    font-size: 15px;
  }
}

@media (max-width: 768px) {
  header {
    height: auto;
    padding: 14px 16px;
    align-items: flex-start;
  }

  .nav {
    grid-template-columns: 1fr auto; /* logo | hamburger */
    row-gap: 12px;
  }

  .nav-center,
  .nav-right {
    display: none; /* hide desktop center & right */
  }

  .hamburger {
    display: inline-flex; /* show hamburger */
  }
}

@media (max-width: 1280px) {
  .top-logo img {
    width: 60px;
  }
  .auth-card {
    max-width: 680px;
    padding: 36px;
  }

  .auth-card h1 {
    font-size: 30px;
  }

  .oauth-btn {
    padding: 13px;
    font-size: 14.5px;
  }

  .field input {
    padding: 13px;
  }

  .submit {
    padding: 13px;
  }
}

/* 1024px and below (tablets landscape / small laptops) */
@media (max-width: 1024px) {
  .top-logo {
    padding: 20px;
  }

  .top-logo img {
    width: 100px;
  }

  .auth-wrapper {
    padding: 32px 16px;
  }

  .auth-card {
    max-width: 640px;
    padding: 32px;
  }

  .auth-card h1 {
    font-size: 28px;
    margin-bottom: 26px;
  }

  .row {
    gap: 16px;
  }

  .oauth {
    gap: 14px;
  }

  .divider {
    margin: 22px 0;
  }
}

/* 768px and below (tablet portrait / large phones) */
@media (max-width: 768px) {
  .top-logo img {
    width: 20px;
  }

  .auth-card {
    max-width: 560px;
    padding: 26px;
    border-radius: 16px;
  }

  .auth-card h1 {
    font-size: 24px;
    margin-bottom: 22px;
  }

  /* Stack oauth buttons */
  .oauth {
    flex-direction: column;
  }

  /* Stack first/last name */
  .row {
    grid-template-columns: 1fr;
  }

  .terms {
    font-size: 13px;
  }
}

/* 480px and below (phones) */
@media (max-width: 480px) {
  .top-logo {
    padding: 16px;
  }

  .top-logo img {
    width: 92px;
  }

  .auth-wrapper {
    padding: 22px 12px;
  }

  .auth-card {
    padding: 20px;
    border-radius: 14px;
  }

  .auth-card h1 {
    font-size: 22px;
  }

  .oauth-btn {
    font-size: 14px;
    padding: 12px;
  }

  .field label {
    font-size: 13px;
  }

  .field input {
    padding: 12px;
  }

  .eye {
    top: 40px;
    right: 12px;
  }

  .submit {
    padding: 12px;
    font-size: 14px;
  }

  .login {
    font-size: 13px;
  }
}

/* 360px and below (small phones) */
@media (max-width: 360px) {
  .auth-card {
    padding: 16px;
  }

  .auth-card h1 {
    font-size: 20px;
  }

  .oauth-btn {
    font-size: 13px;
    gap: 10px;
  }

  .terms {
    font-size: 12.5px;
  }
}

/* 240px and below (smartwatch-class / ultra narrow) */
@media (max-width: 240px) {
  .top-logo img {
    width: 78px;
  }

  .auth-card {
    padding: 12px;
    border-radius: 12px;
  }

  .auth-card h1 {
    font-size: 18px;
    margin-bottom: 16px;
  }

  .oauth-btn {
    font-size: 12px;
    padding: 10px;
  }

  .oauth-btn img {
    width: 14px;
  }

  .field label {
    font-size: 12px;
  }

  .field input {
    padding: 10px;
    font-size: 12px;
  }

  .terms {
    font-size: 12px;
  }

  .submit {
    padding: 10px;
    font-size: 12px;
  }

  .login {
    font-size: 12px;
  }
}