/*
Theme Name: Tax Modern 2026
Theme URI: https://londonontariotax.ca
Author: Custom Theme
Author URI: https://londonontariotax.ca
Description: Premium modern WordPress theme for tax & accounting services. Clean 2026 design, excellent typography, soft depth, strong visual hierarchy, fully responsive.
Version: 2.0.0
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: tax-modern-2026
Tags: custom-background, threaded-comments, translation-ready, blog, portfolio
*/

/* =========================================================
   2026 DESIGN SYSTEM
   ========================================================= */
:root {
  /* Brand */
  --primary: #0f2744; /* Deep navy - trust & professionalism */
  --primary-hover: #1a3a5c;
  --accent: #0d9488; /* Teal/emerald - growth & money */
  --accent-hover: #0f766e;
  --accent-soft: #ccfbf1;

  /* Neutrals */
  --text: #0f172a;
  --text-secondary: #475569;
  --text-muted: #64748b;
  --border: #e2e8f0;
  --border-light: #f1f5f9;

  /* Backgrounds */
  --bg: #ffffff;
  --bg-soft: #f8fafc;
  --bg-muted: #f1f5f9;
  --bg-dark: #0f172a;
  --bg-dark-soft: #1e293b;

  /* Gradients */
  --gradient-hero: linear-gradient(135deg, #0f2744 0%, #134e4a 100%);
  --gradient-accent: linear-gradient(135deg, #0d9488 0%, #0f766e 100%);
  --gradient-soft: linear-gradient(180deg, #f8fafc 0%, #ffffff 100%);

  /* Shadows - soft & modern */
  --shadow-xs: 0 1px 2px rgba(15, 23, 42, 0.04);
  --shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.06), 0 1px 2px rgba(15, 23, 42, 0.04);
  --shadow-md: 0 4px 6px -1px rgba(15, 23, 42, 0.07), 0 2px 4px -2px rgba(15, 23, 42, 0.05);
  --shadow-lg: 0 10px 15px -3px rgba(15, 23, 42, 0.08), 0 4px 6px -4px rgba(15, 23, 42, 0.04);
  --shadow-xl: 0 20px 25px -5px rgba(15, 23, 42, 0.08), 0 8px 10px -6px rgba(15, 23, 42, 0.04);
  --shadow-glow: 0 0 0 4px rgba(13, 148, 136, 0.12);

  /* Radius */
  --radius-sm: 6px;
  --radius: 10px;
  --radius-lg: 14px;
  --radius-xl: 20px;
  --radius-2xl: 28px;
  --radius-full: 9999px;

  /* Transitions */
  --ease: cubic-bezier(0.4, 0, 0.2, 1);
  --duration: 0.2s;
  --duration-slow: 0.35s;

  /* Typography */
  --font: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --leading-tight: 1.2;
  --leading: 1.6;
  --leading-relaxed: 1.75;
}

/* Dark mode preference */

:root {
  --text: #f8fafc;
  --text-secondary: #cbd5e1;
  --text-muted: #94a3b8;
  --border: #334155;
  --border-light: #1e293b;
  --bg: #0f172a;
  --bg-soft: #1e293b;
  --bg-muted: #1e293b;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font);
  line-height: var(--leading);
  color: var(--text);
  background-color: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

img,
video,
svg {
  max-width: 100%;
  height: auto;
  display: block;
}

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

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

ul,
ol {
  list-style: none;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

/* =========================================================
   TYPOGRAPHY
   ========================================================= */
h1,
h2,
h3,
h4,
h5,
h6 {
  font-weight: 700;
  line-height: var(--leading-tight);
  color: var(--text);
  letter-spacing: -0.02em;
}

h1 {
  font-size: clamp(2.25rem, 5vw, 3.5rem);
}
h2 {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
}
h3 {
  font-size: clamp(1.25rem, 3vw, 1.5rem);
}
h4 {
  font-size: 1.25rem;
}
h5 {
  font-size: 1.125rem;
}
h6 {
  font-size: 1rem;
}

p {
  color: var(--text-secondary);
  line-height: var(--leading-relaxed);
  margin-bottom: 1rem;
}

.text-muted {
  color: var(--text-muted);
}
.text-center {
  text-align: center;
}

/* =========================================================
   LAYOUT
   ========================================================= */
.container {
  width: 100%;
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.container-wide {
  max-width: 1280px;
}

section {
  padding: 5rem 0;
}

@media (max-width: 768px) {
  section {
    padding: 3.5rem 0;
  }
}

/* =========================================================
   BUTTONS
   ========================================================= */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  font-size: 0.9375rem;
  font-weight: 600;
  line-height: 1.25;
  border-radius: var(--radius);
  border: 1.5px solid transparent;
  cursor: pointer;
  transition: all var(--duration) var(--ease);
  text-decoration: none;
  white-space: nowrap;
}

.btn-primary {
  background: var(--primary);
  color: #fff;
  box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
  background: var(--primary-hover);
  color: #fff;
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn-accent {
  background: var(--accent);
  color: #fff;
  box-shadow: var(--shadow-sm);
}

.btn-accent:hover {
  background: var(--accent-hover);
  color: #fff;
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn-outline {
  background: transparent;
  border-color: var(--border);
  color: var(--text);
}

.btn-outline:hover {
  border-color: var(--primary);
  color: var(--text-primary);
  background: var(--bg-soft);
}

.btn-white {
  background: #fff;
  color: var(--primary);
  box-shadow: var(--shadow-md);
}

.btn-white:hover {
  background: var(--bg-soft);
  color: var(--primary);
  transform: translateY(-1px);
}

.btn-lg {
  padding: 0.95rem 1.85rem;
  font-size: 1rem;
  border-radius: var(--radius-lg);
}

.btn-sm {
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
}

/* =========================================================
   CARDS
   ========================================================= */
.card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 1.75rem;
  box-shadow: var(--shadow-sm);
  transition: all var(--duration-slow) var(--ease);
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}

.card-soft {
  background: var(--bg-soft);
  border: none;
  box-shadow: none;
}

/* =========================================================
   GRID & FLEX UTILITIES
   ========================================================= */
.grid {
  display: grid;
  gap: 1.5rem;
}

.grid-2 {
  grid-template-columns: repeat(2, 1fr);
}
.grid-3 {
  grid-template-columns: repeat(3, 1fr);
}
.grid-4 {
  grid-template-columns: repeat(4, 1fr);
}

@media (max-width: 900px) {
  .grid-3,
  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 600px) {
  .grid-2,
  .grid-3,
  .grid-4 {
    grid-template-columns: 1fr;
  }
}

.flex {
  display: flex;
}
.flex-wrap {
  flex-wrap: wrap;
}
.items-center {
  align-items: center;
}
.justify-between {
  justify-content: space-between;
}
.justify-center {
  justify-content: center;
}
.gap-1 {
  gap: 0.5rem;
}
.gap-2 {
  gap: 1rem;
}
.gap-3 {
  gap: 1.5rem;
}
.gap-4 {
  gap: 2rem;
}

/* Spacing helpers */
.mt-2 {
  margin-top: 0.75rem;
}
.mt-4 {
  margin-top: 1.5rem;
}
.mt-6 {
  margin-top: 2.5rem;
}
.mt-8 {
  margin-top: 3.5rem;
}
.mb-2 {
  margin-bottom: 0.75rem;
}
.mb-4 {
  margin-bottom: 1.5rem;
}
.mb-6 {
  margin-bottom: 2.5rem;
}
.mb-8 {
  margin-bottom: 3.5rem;
}

/* =========================================================
   FORMS
   ========================================================= */
.form-group {
  margin-bottom: 1.25rem;
}

.form-group label {
  display: block;
  margin-bottom: 0.4rem;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text);
}

.form-control {
  width: 100%;
  padding: 0.75rem 1rem;
  font-size: 0.9375rem;
  font-family: inherit;
  color: var(--text);
  background: var(--bg);
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  transition:
    border-color var(--duration) var(--ease),
    box-shadow var(--duration) var(--ease);
}

.form-control:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: var(--shadow-glow);
}

textarea.form-control {
  resize: vertical;
  min-height: 120px;
}

/* =========================================================
   SECTION HELPERS
   ========================================================= */
.section-light {
  background: transparent;
}

.section-dark {
  background: var(--bg-dark);
  color: #fff;
}

.section-dark p,
.section-dark .text-muted {
  color: #94a3b8;
}

.section-header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 3rem;
}

.section-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.35rem 0.85rem;
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  color: var(--accent);
  background: var(--accent-soft);
  border-radius: var(--radius-full);
  margin-bottom: 1rem;
}

.section-title {
  margin-bottom: 0.75rem;
}

.section-subtitle {
  font-size: 1.0625rem;
  color: var(--text-secondary);
  line-height: var(--leading-relaxed);
}

/* =========================================================
   ANIMATIONS
   ========================================================= */
@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(16px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.animate-fade-in {
  animation: fadeUp 0.6s var(--ease) both;
}

/* =========================================================
   ACCESSIBILITY
   ========================================================= */
:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

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

/* Reduce motion */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}