/* ============================================================
   AllMortgageCalculators.com — Design System v2
   Financial Services UX · Trust · Credibility · Clarity
   ============================================================ */

/* --- Fonts: DM Sans (primary) + IBM Plex Mono (numerals) --- */
@import url('https://fonts.googleapis.com/css2?family=DM+Sans:ital,opsz,wght@0,9..40,400;0,9..40,500;0,9..40,600;0,9..40,700;0,9..40,800;1,9..40,400&family=IBM+Plex+Mono:wght@400;500;600&display=swap');

/* --- Design Tokens ----------------------------------------- */
:root {
  /* ── Brand Colors ── */
  --amc-navy:         #0A2463;   /* deep navy   — authority, trust    */
  --amc-navy-dark:    #071952;   /* darker navy — header/footer bg    */
  --amc-navy-mid:     #0d2f7a;
  --amc-teal:         #1B6CA8;   /* deep teal   — secondary, links    */
  --amc-teal-light:   #2480c2;
  --amc-emerald:      #1A936F;   /* emerald     — CTA & recommended   */
  --amc-emerald-dark: #157a5b;
  --amc-emerald-bg:   #edf7f3;
  --amc-emerald-ring: rgba(26, 147, 111, 0.2);

  /* ── Neutrals ── */
  --amc-bg:           #F5F7FA;   /* page background */
  --amc-bg-2:         #EAECF0;
  --amc-surface:      #FFFFFF;
  --amc-surface-2:    #F9FAFB;
  --amc-border:       #E4E7EC;
  --amc-border-2:     #D0D5DD;
  --amc-border-focus: var(--amc-teal);

  /* ── Text ── */
  --amc-text:         #1C1C1E;   /* near-black primary  */
  --amc-text-2:       #344054;
  --amc-text-3:       #6B7280;   /* secondary/meta info */
  --amc-text-4:       #9CA3AF;

  /* ── Semantic ── */
  --amc-green:        #1A936F;
  --amc-green-bg:     #edf7f3;
  --amc-amber:        #B45309;
  --amc-amber-bg:     #FFFBEB;
  --amc-red:          #C0392B;   /* errors/warnings only */
  --amc-red-bg:       #FEF2F2;

  /* ── Typography ── */
  --amc-font:  'DM Sans', 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --amc-mono:  'IBM Plex Mono', 'Fira Code', 'Consolas', monospace;

  /* ── Layout ── */
  --amc-header-h:    68px;
  --amc-max-w:       1280px;
  --amc-radius:      10px;
  --amc-radius-lg:   14px;
  --amc-radius-xl:   20px;
  --amc-radius-pill: 9999px;

  /* ── Elevation (white-background shadows) ── */
  --amc-shadow-xs: 0 1px 2px rgba(16, 24, 40, .05);
  --amc-shadow-sm: 0 1px 3px rgba(16, 24, 40, .10), 0 1px 2px rgba(16, 24, 40, .06);
  --amc-shadow:    0 4px 8px  rgba(16, 24, 40, .06), 0 2px 4px  rgba(16, 24, 40, .04);
  --amc-shadow-md: 0 12px 16px rgba(16, 24, 40, .08), 0 4px 6px  rgba(16, 24, 40, .03);
  --amc-shadow-lg: 0 24px 48px rgba(16, 24, 40, .12), 0 8px 16px rgba(16, 24, 40, .04);
}

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

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  font-family: var(--amc-font) !important;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  padding-top: var(--amc-header-h) !important;
  background-color: var(--amc-bg);
  color: var(--amc-text);
}

/* Tabular numerals for financial figures site-wide */
.font-mono, .tabular,
td, th,
input[type="number"],
[class*="text-xl"][class*="font-bold"],
[class*="text-2xl"],
[class*="text-3xl"] {
  font-variant-numeric: tabular-nums;
  font-feature-settings: "tnum" 1;
}

/* ============================================================
   SITE HEADER  —  White, clean, financial-grade
   ============================================================ */

.amc-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 9999;
  height: var(--amc-header-h);
  background: var(--amc-surface);
  border-bottom: 1px solid var(--amc-border);
  box-shadow: 0 1px 6px rgba(0, 0, 0, 0.06);
}

.amc-header-inner {
  display: flex;
  align-items: center;
  max-width: var(--amc-max-w);
  margin: 0 auto;
  padding: 0 24px;
  height: 100%;
  gap: 16px;
}

/* ── Logo ─────────────────────────────────────────────────── */
.amc-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none !important;
  color: var(--amc-navy) !important;
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  white-space: nowrap;
  flex-shrink: 0;
  line-height: 1;
}

.amc-logo-icon {
  width: 32px;
  height: 32px;
  background: var(--amc-navy);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  flex-shrink: 0;
  box-shadow: 0 2px 6px rgba(10, 36, 99, 0.25);
}

.amc-logo strong { font-weight: 800; }

/* ── Desktop Nav ──────────────────────────────────────────── */
.amc-nav {
  display: flex;
  align-items: center;
  gap: 2px;
  flex: 1;
  overflow: hidden;
}

.amc-nav a {
  color: var(--amc-text-3) !important;
  text-decoration: none !important;
  font-size: 0.80rem;
  font-weight: 500;
  padding: 6px 10px;
  border-radius: 6px;
  white-space: nowrap;
  transition: background 0.12s, color 0.12s;
  letter-spacing: 0.005em;
}

.amc-nav a:hover {
  background: var(--amc-bg);
  color: var(--amc-navy) !important;
}

.amc-nav a.amc-nav-active {
  background: rgba(10, 36, 99, 0.07);
  color: var(--amc-navy) !important;
  font-weight: 600;
}

.amc-nav a.amc-nav-all {
  color: var(--amc-teal) !important;
  font-weight: 600;
  margin-left: 4px;
}

.amc-nav a.amc-nav-all:hover {
  background: rgba(27, 108, 168, 0.08);
  color: var(--amc-navy) !important;
}

/* ── Trust Badge (avatar + NMLS) ─────────────────────────── */
.amc-trust-badge {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 4px 12px 4px 4px;
  border-radius: var(--amc-radius-pill);
  border: 1px solid var(--amc-border);
  background: var(--amc-surface-2);
  flex-shrink: 0;
  text-decoration: none !important;
  transition: border-color 0.12s, box-shadow 0.12s;
}

.amc-trust-badge:hover {
  border-color: var(--amc-emerald);
  box-shadow: 0 0 0 3px var(--amc-emerald-ring);
}

.amc-avatar {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  object-fit: cover;
  object-position: top center;
  border: 2px solid var(--amc-emerald);
  display: block;
  flex-shrink: 0;
}

.amc-trust-info {
  display: flex;
  flex-direction: column;
  gap: 1px;
}

.amc-trust-name {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--amc-text) !important;
  line-height: 1.2;
  display: block;
}

.amc-trust-nmls {
  font-size: 0.66rem;
  color: var(--amc-text-3) !important;
  display: block;
  font-weight: 500;
  letter-spacing: 0.01em;
}

/* ── Header CTA — Emerald Green ──────────────────────────── */
.amc-header-cta {
  display: flex;
  align-items: center;
  gap: 6px;
  background: var(--amc-emerald);
  color: #ffffff !important;
  text-decoration: none !important;
  font-size: 0.80rem;
  font-weight: 700;
  padding: 9px 16px;
  border-radius: 8px;
  white-space: nowrap;
  flex-shrink: 0;
  transition: background 0.15s, transform 0.1s, box-shadow 0.15s;
  letter-spacing: 0.01em;
  box-shadow: 0 2px 8px rgba(26, 147, 111, 0.30);
}

.amc-header-cta:hover {
  background: var(--amc-emerald-dark);
  transform: translateY(-1px);
  box-shadow: 0 4px 14px rgba(26, 147, 111, 0.38);
}

/* ── Mobile Hamburger ────────────────────────────────────── */
.amc-mobile-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  background: none;
  border: 1px solid var(--amc-border);
  cursor: pointer;
  padding: 8px 9px;
  margin-left: auto;
  flex-shrink: 0;
  border-radius: 8px;
  transition: background 0.12s, border-color 0.12s;
}

.amc-mobile-toggle:hover {
  background: var(--amc-bg);
  border-color: var(--amc-border-2);
}

.amc-mobile-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--amc-text-2);
  border-radius: 2px;
  transition: transform 0.22s, opacity 0.22s;
}

.amc-mobile-toggle.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.amc-mobile-toggle.is-open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.amc-mobile-toggle.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ============================================================
   TRUST BAR  —  Thin compliance strip below header
   ============================================================ */

.amc-trust-bar {
  background: var(--amc-bg);
  border-bottom: 1px solid var(--amc-border);
  padding: 7px 20px;
  text-align: center;
  font-size: 0.70rem;
  color: var(--amc-text-3);
  font-family: var(--amc-font);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  letter-spacing: 0.01em;
}

.amc-trust-bar strong { color: var(--amc-text-2); font-weight: 600; }

.amc-trust-bar .amc-secure-badge {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  background: var(--amc-surface);
  border: 1px solid var(--amc-border);
  border-radius: 4px;
  padding: 2px 7px;
  font-size: 0.65rem;
  font-weight: 600;
  color: var(--amc-emerald);
  letter-spacing: 0.03em;
}

/* ============================================================
   FOOTER OVERRIDES
   ============================================================ */

body > footer,
body footer:last-of-type {
  background: var(--amc-navy-dark) !important;
  color: rgba(255, 255, 255, 0.60) !important;
  border-top: 1px solid rgba(255, 255, 255, 0.08) !important;
  padding: 36px 24px !important;
  text-align: center !important;
  margin-top: 48px !important;
  font-size: 0.80rem !important;
  line-height: 1.8 !important;
  font-family: var(--amc-font) !important;
}

body > footer p,
body footer:last-of-type p {
  color: rgba(255, 255, 255, 0.60) !important;
  font-size: 0.80rem !important;
  margin: 0 0 6px !important;
}

body > footer a,
body footer:last-of-type a {
  color: rgba(255, 255, 255, 0.80) !important;
  text-decoration: none !important;
}

body > footer a:hover,
body footer:last-of-type a:hover {
  color: #ffffff !important;
  text-decoration: underline !important;
}

/* NMLS / Equal Housing badge in footer */
body > footer::before,
body footer:last-of-type::before {
  content: '🏦  Equal Housing Lender  ·  NMLS #278103';
  display: block;
  font-size: 0.68rem;
  color: rgba(255, 255, 255, 0.35);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 16px;
  padding-bottom: 16px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

/* ============================================================
   STATIC SEO SECTIONS
   ============================================================ */

section a[style*="background: #f0f9ff"],
section a[style*="background:#f0f9ff"] {
  background: var(--amc-surface) !important;
  color: var(--amc-navy) !important;
  border: 1px solid var(--amc-border) !important;
  border-radius: var(--amc-radius) !important;
  transition: background 0.12s, border-color 0.12s, transform 0.15s, box-shadow 0.15s !important;
  font-weight: 600 !important;
  font-family: var(--amc-font) !important;
  box-shadow: var(--amc-shadow-xs) !important;
}

section a[style*="background: #f0f9ff"]:hover,
section a[style*="background:#f0f9ff"]:hover {
  background: var(--amc-emerald-bg) !important;
  border-color: var(--amc-emerald) !important;
  color: var(--amc-emerald-dark) !important;
  transform: translateY(-2px) !important;
  box-shadow: var(--amc-shadow-sm) !important;
}

section[style*="max-width: 900px"] h2,
section[style*="max-width:900px"] h2 {
  color: var(--amc-navy) !important;
  font-family: var(--amc-font) !important;
  font-weight: 800 !important;
}

section[style*="max-width: 900px"] h3,
section[style*="max-width:900px"] h3 {
  color: var(--amc-text) !important;
  font-family: var(--amc-font) !important;
  font-weight: 700 !important;
}

section[style*="max-width: 900px"] p,
section[style*="max-width:900px"] p {
  font-family: var(--amc-font) !important;
  color: var(--amc-text-3) !important;
}

/* ============================================================
   TAILWIND COLOR HARMONIZATION
   Map all Tailwind blues → navy/teal, greens → emerald
   ============================================================ */

/* Navy / Teal remapping */
body .bg-blue-600  { background-color: var(--amc-teal)       !important; }
body .bg-blue-700  { background-color: var(--amc-navy)        !important; }
body .bg-blue-800,
body .bg-blue-900  { background-color: var(--amc-navy-dark)   !important; }
body .bg-indigo-600 { background-color: var(--amc-teal)       !important; }
body .bg-indigo-700 { background-color: var(--amc-navy)       !important; }

body .text-blue-600   { color: var(--amc-teal)  !important; }
body .text-blue-700   { color: var(--amc-navy)  !important; }
body .text-blue-800   { color: var(--amc-navy-dark) !important; }
body .text-indigo-600 { color: var(--amc-teal)  !important; }
body .text-indigo-700 { color: var(--amc-navy)  !important; }

body .border-blue-200 { border-color: #c7dff0 !important; }
body .border-blue-300 { border-color: #93c5fd !important; }
body .border-blue-500 { border-color: var(--amc-teal)  !important; }
body .bg-blue-50      { background-color: #f0f6fb !important; }
body .bg-blue-100     { background-color: #dbeafe !important; }

body .hover\:bg-blue-600:hover { background-color: var(--amc-teal) !important; }
body .hover\:bg-blue-700:hover { background-color: var(--amc-navy) !important; }
body .hover\:text-blue-600:hover { color: var(--amc-teal) !important; }
body .hover\:text-blue-700:hover { color: var(--amc-navy) !important; }

/* Emerald green remapping */
body .bg-green-600   { background-color: var(--amc-emerald)      !important; }
body .bg-green-700   { background-color: var(--amc-emerald-dark)  !important; }
body .text-green-600 { color: var(--amc-emerald)      !important; }
body .text-green-700 { color: var(--amc-emerald-dark)  !important; }
body .bg-green-50    { background-color: var(--amc-emerald-bg)    !important; }
body .bg-green-100   { background-color: #d1fae5 !important; }
body .border-green-200 { border-color: #a7f3d0 !important; }
body .hover\:bg-green-600:hover { background-color: var(--amc-emerald-dark) !important; }

/* Background neutrals */
body .bg-gray-50  { background-color: var(--amc-surface-2) !important; }
body .bg-gray-100 { background-color: var(--amc-bg)        !important; }

/* Text */
body .text-gray-900 { color: var(--amc-text)   !important; }
body .text-gray-800 { color: var(--amc-text-2) !important; }
body .text-gray-700 { color: var(--amc-text-2) !important; }
body .text-gray-600 { color: var(--amc-text-3) !important; }
body .text-gray-500 { color: var(--amc-text-4) !important; }

/* Border radius */
body .rounded-lg  { border-radius: var(--amc-radius)    !important; }
body .rounded-xl  { border-radius: var(--amc-radius-lg) !important; }
body .rounded-2xl { border-radius: var(--amc-radius-xl) !important; }

/* Shadows */
body .shadow     { box-shadow: var(--amc-shadow-sm) !important; }
body .shadow-md  { box-shadow: var(--amc-shadow)    !important; }
body .shadow-lg  { box-shadow: var(--amc-shadow-md) !important; }

/* Tab / active states (many calculators use these) */
body .border-blue-500,
body .border-b-blue-600 { border-color: var(--amc-navy) !important; }

/* ============================================================
   FORM ELEMENTS  —  Professional, legible, aligned numerals
   ============================================================ */

body input[type="text"],
body input[type="number"],
body input[type="email"],
body input[type="tel"],
body select,
body textarea {
  font-family: var(--amc-font) !important;
  transition: border-color 0.15s, box-shadow 0.15s;
}

body input[type="number"] {
  font-variant-numeric: tabular-nums;
  font-feature-settings: "tnum" 1;
}

body input:focus,
body select:focus,
body textarea:focus {
  outline: none !important;
  border-color: var(--amc-teal) !important;
  box-shadow: 0 0 0 3px rgba(27, 108, 168, 0.16) !important;
}

body input[type="range"] {
  accent-color: var(--amc-teal) !important;
  cursor: pointer;
}

/* ============================================================
   BUTTONS
   ============================================================ */

body button, body .btn {
  font-family: var(--amc-font) !important;
  transition: background 0.15s, transform 0.1s, box-shadow 0.15s;
}

/* Primary teal action buttons */
body button.bg-blue-600,
body button.bg-blue-700 {
  background-color: var(--amc-teal) !important;
  box-shadow: 0 2px 6px rgba(27, 108, 168, 0.28) !important;
}

body button.bg-blue-600:hover,
body button.bg-blue-700:hover {
  background-color: var(--amc-navy) !important;
  transform: translateY(-1px) !important;
  box-shadow: 0 4px 12px rgba(10, 36, 99, 0.25) !important;
}

/* Emerald CTA buttons */
body button.bg-green-600,
body button.bg-green-700 {
  background-color: var(--amc-emerald) !important;
  box-shadow: 0 2px 6px rgba(26, 147, 111, 0.28) !important;
}

body button.bg-green-600:hover,
body button.bg-green-700:hover {
  background-color: var(--amc-emerald-dark) !important;
  transform: translateY(-1px) !important;
  box-shadow: 0 4px 12px rgba(26, 147, 111, 0.32) !important;
}

/* ============================================================
   CALCULATOR CARD OVERRIDES  (Tailwind white cards on pages)
   Bump the white surface slightly for more premium feel
   ============================================================ */

body .bg-white {
  background-color: var(--amc-surface) !important;
}

body div.bg-white,
body section.bg-white {
  box-shadow: var(--amc-shadow-sm);
}

/* Result / summary highlight boxes */
body .bg-blue-600 p,
body .bg-blue-700 p,
body .bg-indigo-600 p {
  color: rgba(255,255,255,0.90) !important;
}

/* Tab components */
body [class*="border-b-2"][class*="border-blue"] {
  border-color: var(--amc-navy) !important;
}

/* ============================================================
   ARM VS FIXED PAGES
   ============================================================ */

body .header { margin-top: 0 !important; }

/* ============================================================
   MOBILE RESPONSIVE
   ============================================================ */

@media (max-width: 1100px) {
  .amc-nav {
    display: none;
    position: fixed;
    top: var(--amc-header-h);
    left: 0;
    right: 0;
    background: var(--amc-surface);
    border-bottom: 1px solid var(--amc-border);
    flex-direction: column;
    align-items: stretch;
    padding: 10px 16px 16px;
    gap: 2px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
    z-index: 9998;
    max-height: calc(100vh - var(--amc-header-h));
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
  }

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

  .amc-nav a {
    padding: 11px 14px;
    font-size: 0.875rem;
    border-radius: 8px;
    color: var(--amc-text-2) !important;
  }

  .amc-mobile-toggle { display: flex; }

  .amc-trust-badge { display: none; }
}

@media (max-width: 768px) {
  :root { --amc-header-h: 60px; }

  .amc-header-cta {
    padding: 8px 14px;
    font-size: 0.78rem;
  }

  .amc-logo span { font-size: 0.9rem; }

  .amc-trust-bar { display: none; }
}

@media (max-width: 480px) {
  .amc-header-inner { padding: 0 14px; gap: 10px; }
  .amc-logo-icon { width: 28px; height: 28px; font-size: 13px; }
}

/* ============================================================
   PRINT
   ============================================================ */

@media print {
  .amc-header {
    position: static;
    border-bottom: 2px solid var(--amc-navy);
    box-shadow: none;
  }

  body { padding-top: 0 !important; }

  .amc-header-cta,
  .amc-mobile-toggle,
  .amc-trust-bar { display: none; }
}