:root {
  color-scheme: light;
  --bg: #fdf7f0;
  --surface: #ffffff;
  --ink: #1a1512;
  --muted: #6b5f55;
  --accent: #ff6b35;
  --accent-hover: #e85520;
  --border: #e8ddd4;
  --danger-bg: #fff0ee;
  --danger-ink: #c0392b;
  --success-bg: #eafaf3;
  --success-ink: #1c6b3c;
  --shadow-lg: 0 24px 60px rgba(26, 21, 18, 0.14);
  --shadow-sm: 0 6px 18px rgba(26, 21, 18, 0.07);
  --shadow-accent: 0 12px 28px rgba(255, 107, 53, 0.28);
  --radius-lg: 28px;
  --radius-md: 18px;
  --radius-sm: 12px;
}

*,
*::before,
*::after { box-sizing: border-box; }

body {
  margin: 0;
  font-family: "Sora", "Segoe UI", sans-serif;
  color: var(--ink);
  background:
    radial-gradient(ellipse at top left, rgba(255, 107, 53, 0.1) 0%, transparent 42%),
    linear-gradient(180deg, #fffefb 0%, var(--bg) 50%, #fef0e2 100%);
  min-height: 100vh;
}

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

.container {
  width: min(1100px, 92vw);
  margin: 0 auto;
}

.site-nav {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(253, 247, 240, 0.82);
  border-bottom: 1px solid rgba(255, 107, 53, 0.1);
  backdrop-filter: blur(22px) saturate(1.4);
}

.nav-shell {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.9rem 0;
}

.nav-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  font-family: "Fraunces", "Times New Roman", serif;
  font-weight: 700;
}

.brand-text { font-size: 1.22rem; letter-spacing: -0.03em; }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 4px;
  padding: 0.42rem;
  border-radius: 10px;
  border: 1.5px solid var(--border);
  background: rgba(255, 255, 255, 0.88);
  cursor: pointer;
}

.nav-toggle-bar {
  width: 20px;
  height: 2px;
  background: var(--ink);
  border-radius: 2px;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  flex: 1;
  justify-content: flex-end;
}

.nav-list {
  list-style: none;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  margin: 0;
  padding: 0;
}

.nav-auth-list { margin-left: auto; }

.nav-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.52rem 1rem;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.92rem;
  color: inherit;
  border: none;
  background: transparent;
  cursor: pointer;
  transition: all 0.22s ease;
}

.nav-link:hover,
.nav-link.active {
  background: rgba(26, 21, 18, 0.9);
  color: var(--bg);
}

.nav-cta {
  background: linear-gradient(135deg, var(--accent), #ff914d);
  color: #fff !important;
  box-shadow: var(--shadow-accent);
}

.nav-button { background: transparent; }

/* ── Auth section ── */
.auth-section {
  padding: 3.5rem 0 4.5rem;
}

.auth-card {
  margin: 0 auto;
  width: min(620px, 100%);
  background: var(--surface);
  border-radius: var(--radius-lg);
  padding: 2.4rem;
  box-shadow: var(--shadow-lg);
  border: 1.5px solid rgba(255, 107, 53, 0.08);
  position: relative;
  overflow: hidden;
}

.auth-card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), #ffb47e, #0db37a);
}

.auth-title {
  margin: 0;
  font-family: "Fraunces", "Times New Roman", serif;
  font-size: 1.9rem;
  letter-spacing: -0.04em;
}

.auth-subtitle {
  margin: 0.4rem 0 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.auth-form {
  margin-top: 1.8rem;
  display: grid;
  gap: 1.1rem;
}

.form-group {
  display: grid;
  gap: 0.45rem;
}

.form-group label {
  font-weight: 700;
  font-size: 0.9rem;
}

.form-group input {
  border: 1.5px solid var(--border);
  border-radius: 999px;
  padding: 0.82rem 1rem;
  font-family: inherit;
  font-size: 0.95rem;
  background: #fff;
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

.form-group input:focus {
  outline: none;
  border-color: rgba(255, 107, 53, 0.55);
  box-shadow: 0 0 0 4px rgba(255, 107, 53, 0.1);
}

.field-help {
  margin: 0;
  color: var(--muted);
  font-size: 0.85rem;
}

.message {
  display: none;
  padding: 0.9rem 1.1rem;
  border-radius: var(--radius-sm);
  border: 1.5px solid transparent;
  font-size: 0.9rem;
}

.message.show {
  display: block;
}

.message.error {
  background: var(--danger-bg);
  color: var(--danger-ink);
  border-color: rgba(192, 57, 43, 0.2);
}

.message.success {
  background: var(--success-bg);
  color: var(--success-ink);
  border-color: rgba(28, 107, 60, 0.2);
}

.btn {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  gap: 0.5rem;
  width: 100%;
  border: 1.5px solid transparent;
  border-radius: 999px;
  padding: 0.88rem 1.5rem;
  font-weight: 700;
  font-family: inherit;
  font-size: 0.96rem;
  cursor: pointer;
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  background: linear-gradient(135deg, var(--accent), #ff914d);
  color: #fff;
  box-shadow: var(--shadow-accent);
}

.btn:hover:not(:disabled) {
  background: linear-gradient(135deg, var(--accent-hover), var(--accent));
  box-shadow: 0 16px 36px rgba(255, 107, 53, 0.38);
  transform: translateY(-2px);
}

.btn:disabled {
  opacity: 0.65;
  cursor: not-allowed;
}

.auth-footer {
  margin-top: 1.2rem;
  color: var(--muted);
  font-size: 0.93rem;
  text-align: center;
}

.auth-footer a {
  color: var(--accent);
  font-weight: 700;
}

@media (max-width: 900px) {
  .nav-toggle { display: flex; }

  .nav-menu {
    display: none;
    width: 100%;
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
    padding: 1.2rem;
    background: rgba(255, 252, 248, 0.97);
    border-radius: 18px;
    border: 1.5px solid var(--border);
    box-shadow: 0 12px 36px rgba(26, 21, 18, 0.12);
    margin-top: 0.5rem;
  }

  .nav-menu.is-open { display: flex; }

  .nav-list,
  .nav-auth-list {
    width: 100%;
    flex-direction: column;
    align-items: flex-start;
  }

  .auth-card {
    padding: 1.8rem;
  }
}