/* 11th Bank - Professional Banking Stylesheet */
/* Clean, trustworthy design suitable for a financial institution */

:root {
  --primary: #003366;          /* Deep navy */
  --primary-dark: #002244;
  --primary-light: #004d99;
  --accent: #0077c8;           /* Trustworthy blue */
  --success: #1a7f37;
  --warning: #b45309;
  --danger: #b91c1c;
  --text: #1a1a1a;
  --text-muted: #4b5563;
  --text-light: #6b7280;
  --bg: #f8fafc;
  --bg-white: #ffffff;
  --border: #e2e8f0;
  --border-dark: #cbd5e1;
  --shadow: 0 1px 3px rgba(0, 0, 0, 0.08), 0 1px 2px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.08), 0 2px 4px -1px rgba(0, 0, 0, 0.04);
  --radius: 6px;
  --font: "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  --font-heading: "Georgia", "Times New Roman", serif;
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font);
  color: var(--text);
  background-color: var(--bg);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

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

a:hover {
  text-decoration: underline;
}

img {
  max-width: 100%;
  height: auto;
}

/* ========== Header / Navigation ========== */
.site-header {
  background: var(--bg-white);
  border-bottom: 1px solid var(--border);
  box-shadow: var(--shadow);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0.75rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary);
  text-decoration: none;
}

.logo:hover {
  text-decoration: none;
  color: var(--primary-dark);
}

.logo-mark {
  width: 36px;
  height: 36px;
  background: var(--primary);
  color: white;
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.95rem;
  letter-spacing: -0.5px;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 1.75rem;
}

.main-nav a {
  color: var(--text);
  font-size: 0.95rem;
  font-weight: 500;
  text-decoration: none;
}

.main-nav a:hover {
  color: var(--accent);
}

.btn {
  display: inline-block;
  padding: 0.55rem 1.25rem;
  font-size: 0.9rem;
  font-weight: 600;
  border-radius: var(--radius);
  border: none;
  cursor: pointer;
  text-decoration: none;
  transition: background 0.15s ease, box-shadow 0.15s ease;
}

.btn-primary {
  background: var(--primary);
  color: white;
}

.btn-primary:hover {
  background: var(--primary-dark);
  text-decoration: none;
  color: white;
}

.btn-outline {
  background: transparent;
  color: var(--primary);
  border: 1.5px solid var(--primary);
}

.btn-outline:hover {
  background: var(--primary);
  color: white;
  text-decoration: none;
}

.btn-block {
  display: block;
  width: 100%;
  text-align: center;
}

/* ========== Hero ========== */
.hero {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  color: white;
  padding: 3.5rem 1.5rem;
  text-align: center;
}

.hero-inner {
  max-width: 800px;
  margin: 0 auto;
}

.hero h1 {
  font-family: var(--font-heading);
  font-size: 2.35rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
  letter-spacing: -0.5px;
}

.hero p {
  font-size: 1.15rem;
  opacity: 0.92;
  margin-bottom: 1.75rem;
  max-width: 560px;
  margin-left: auto;
  margin-right: auto;
}

.hero .btn {
  background: white;
  color: var(--primary);
  font-size: 1rem;
  padding: 0.7rem 1.75rem;
}

.hero .btn:hover {
  background: #f0f4f8;
  color: var(--primary-dark);
}

/* ========== Content Sections ========== */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.section {
  padding: 3rem 0;
}

.section-title {
  font-family: var(--font-heading);
  font-size: 1.75rem;
  color: var(--primary);
  text-align: center;
  margin-bottom: 0.5rem;
}

.section-subtitle {
  text-align: center;
  color: var(--text-muted);
  margin-bottom: 2.5rem;
  max-width: 560px;
  margin-left: auto;
  margin-right: auto;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.5rem;
}

.service-card {
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.75rem 1.5rem;
  box-shadow: var(--shadow);
  transition: box-shadow 0.2s ease, transform 0.2s ease;
}

.service-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.service-icon {
  width: 48px;
  height: 48px;
  background: #e8f0fe;
  color: var(--primary);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  margin-bottom: 1rem;
}

.service-card h3 {
  font-size: 1.15rem;
  color: var(--primary);
  margin-bottom: 0.5rem;
}

.service-card p {
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.55;
}

/* ========== Login Page ========== */
.auth-wrapper {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2.5rem 1.5rem;
}

.auth-card {
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: 8px;
  box-shadow: var(--shadow-md);
  width: 100%;
  max-width: 420px;
  padding: 2.25rem 2rem;
}

.auth-card h1 {
  font-family: var(--font-heading);
  font-size: 1.6rem;
  color: var(--primary);
  margin-bottom: 0.35rem;
  text-align: center;
}

.auth-card .auth-sub {
  text-align: center;
  color: var(--text-muted);
  font-size: 0.95rem;
  margin-bottom: 1.75rem;
}

.form-group {
  margin-bottom: 1.25rem;
}

.form-group label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 0.35rem;
}

.form-group input {
  width: 100%;
  padding: 0.65rem 0.85rem;
  font-size: 1rem;
  border: 1.5px solid var(--border-dark);
  border-radius: var(--radius);
  background: var(--bg-white);
  color: var(--text);
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.form-group input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(0, 119, 200, 0.15);
}

.form-group input.error {
  border-color: var(--danger);
}

.form-error {
  display: none;
  font-size: 0.8rem;
  color: var(--danger);
  margin-top: 0.35rem;
}

.form-error.visible {
  display: block;
}

.form-actions {
  margin-top: 1.5rem;
}

.auth-footer {
  text-align: center;
  margin-top: 1.5rem;
  font-size: 0.9rem;
  color: var(--text-muted);
}

/* ========== Account Dashboard ========== */
.account-header {
  background: var(--bg-white);
  border-bottom: 1px solid var(--border);
  padding: 1.25rem 0;
}

.account-header-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}

.welcome {
  font-size: 1.35rem;
  color: var(--primary);
}

.welcome span {
  font-weight: 700;
}

.account-meta {
  font-size: 0.9rem;
  color: var(--text-muted);
}

.dashboard {
  max-width: 1100px;
  margin: 0 auto;
  padding: 2rem 1.5rem 3rem;
}

.balances-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.25rem;
  margin-bottom: 2rem;
}

.balance-card {
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  box-shadow: var(--shadow);
}

.balance-card .label {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-light);
  margin-bottom: 0.35rem;
}

.balance-card .amount {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--primary);
  letter-spacing: -0.5px;
}

.balance-card .acct-num {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-top: 0.5rem;
  font-family: ui-monospace, "Cascadia Code", "Source Code Pro", Menlo, monospace;
}

.balance-card.checking .amount {
  color: var(--primary);
}

.balance-card.savings .amount {
  color: var(--success);
}

.section-box {
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  margin-bottom: 1.5rem;
  overflow: hidden;
}

.section-box h2 {
  font-size: 1.1rem;
  color: var(--primary);
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--border);
  background: #f8fafc;
}

.tx-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.925rem;
}

.tx-table th,
.tx-table td {
  padding: 0.75rem 1.25rem;
  text-align: left;
  border-bottom: 1px solid var(--border);
}

.tx-table th {
  font-weight: 600;
  color: var(--text-muted);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  background: #fafbfc;
}

.tx-table tr:last-child td {
  border-bottom: none;
}

.tx-table .amount-pos {
  color: var(--success);
  font-weight: 600;
}

.tx-table .amount-neg {
  color: var(--text);
}

/* ========== Footer ========== */
.site-footer {
  background: var(--primary-dark);
  color: #cbd5e1;
  margin-top: auto;
  padding: 2.5rem 1.5rem 1.5rem;
}

.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 2rem;
  margin-bottom: 2rem;
}

.footer-col h4 {
  color: white;
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.85rem;
}

.footer-col ul {
  list-style: none;
}

.footer-col li {
  margin-bottom: 0.4rem;
}

.footer-col a {
  color: #94a3b8;
  font-size: 0.9rem;
  text-decoration: none;
}

.footer-col a:hover {
  color: white;
  text-decoration: underline;
}

.footer-bottom {
  max-width: 1200px;
  margin: 0 auto;
  padding-top: 1.25rem;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  font-size: 0.8rem;
  color: #64748b;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.75rem;
}

/* ========== Utilities ========== */
.text-center {
  text-align: center;
}

.mt-1 {
  margin-top: 0.5rem;
}

.mt-2 {
  margin-top: 1rem;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

/* Responsive */
@media (max-width: 640px) {
  .hero h1 {
    font-size: 1.85rem;
  }

  .header-inner {
    flex-direction: column;
    gap: 0.75rem;
  }

  .main-nav {
    gap: 1rem;
    flex-wrap: wrap;
    justify-content: center;
  }

  .auth-card {
    padding: 1.75rem 1.25rem;
  }

  .tx-table th,
  .tx-table td {
    padding: 0.65rem 0.85rem;
  }
}