/*
Theme Name: HelloHiDear EEC
Theme URI: https://hellohidear.com
Author: HelloHiDear EEC
Description: Done-for-you education email courses that generate qualified leads for telecom companies.
Version: 1.0.0
License: GNU General Public License v2 or later
Text Domain: hellohidear
Tags: telecom, education, blog, business, courses
*/

/* ── Inter font ─────────────────────────────────────────────── */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

/* ── Base resets ────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; }

body {
  font-family: 'Inter', sans-serif;
  background-color: #f8fafc;
  color: #0f172a;
  margin: 0;
  -webkit-font-smoothing: antialiased;
}

a { text-decoration: none; color: inherit; }
img { max-width: 100%; display: block; }
button, input, textarea, select { font-family: inherit; }

/* ── Telecom colour tokens ──────────────────────────────────── */
:root {
  --tc-50:  #f0f9ff;
  --tc-100: #e0f2fe;
  --tc-200: #bae6fd;
  --tc-300: #7dd3fc;
  --tc-400: #38bdf8;
  --tc-500: #0ea5e9;
  --tc-600: #0284c7;
  --tc-700: #0369a1;
  --tc-800: #0c4a6e;
  --tc-900: #082f49;
  --radius: 0.5rem;
}

/* ── Utility helpers not in Tailwind CDN ────────────────────── */
.text-telecom-600 { color: var(--tc-600); }
.text-telecom-700 { color: var(--tc-700); }
.text-telecom-100 { color: var(--tc-100); }
.text-telecom-300 { color: var(--tc-300); }
.bg-telecom-50  { background-color: var(--tc-50); }
.bg-telecom-100 { background-color: var(--tc-100); }
.bg-telecom-500 { background-color: var(--tc-500); }
.bg-telecom-600 { background-color: var(--tc-600); }
.bg-telecom-700 { background-color: var(--tc-700); }
.bg-telecom-800 { background-color: var(--tc-800); }
.border-telecom-100 { border-color: var(--tc-100); }
.border-telecom-200 { border-color: var(--tc-200); }
.border-telecom-500 { border-color: var(--tc-500); }
.border-telecom-600 { border-color: var(--tc-600); }
.hover\:bg-telecom-50:hover  { background-color: var(--tc-50); }
.hover\:bg-telecom-700:hover { background-color: var(--tc-700); }
.hover\:bg-telecom-100:hover { background-color: var(--tc-100); }
.hover\:text-telecom-600:hover { color: var(--tc-600); }
.hover\:text-telecom-800:hover { color: var(--tc-800); }
.from-telecom-50 { --tw-gradient-from: var(--tc-50); }

/* ── Gradient hero backgrounds ──────────────────────────────── */
.bg-gradient-to-b.from-telecom-50.to-white,
.grad-hero-b {
  background: linear-gradient(to bottom, var(--tc-50), #ffffff);
}
.bg-gradient-to-br.from-telecom-50.to-white,
.grad-hero-br {
  background: linear-gradient(to bottom right, var(--tc-50), #ffffff);
}

/* ── Navbar ─────────────────────────────────────────────────── */
#site-nav {
  background: #fff;
  border-bottom: 1px solid #e2e8f0;
  padding: 1rem 0;
  position: sticky;
  top: 0;
  z-index: 50;
}
.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-brand {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--tc-700);
  text-decoration: none;
}
.nav-links { display: none; align-items: center; gap: 1.5rem; }
@media (min-width: 768px) { .nav-links { display: flex; } }
.nav-link {
  color: #374151;
  font-weight: 500;
  font-size: 0.9375rem;
  transition: color 0.15s;
  text-decoration: none;
}
.nav-link:hover { color: var(--tc-600); }
.nav-link.active { color: var(--tc-600); }
.nav-cta { display: none; align-items: center; gap: 1rem; }
@media (min-width: 768px) { .nav-cta { display: flex; } }
.mobile-toggle { display: flex; }
@media (min-width: 768px) { .mobile-toggle { display: none; } }
#mobile-menu {
  display: none;
  position: absolute;
  top: 100%;
  left: 0; right: 0;
  background: #fff;
  border-bottom: 1px solid #e2e8f0;
  box-shadow: 0 4px 12px rgba(0,0,0,0.08);
}
#mobile-menu.open { display: block; }
#mobile-menu .mobile-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1rem 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}
#mobile-menu .nav-link { padding: 0.5rem 0; display: block; }

/* ── Buttons ────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.375rem;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 0.9375rem;
  padding: 0.625rem 1.25rem;
  cursor: pointer;
  border: 1px solid transparent;
  transition: background 0.15s, color 0.15s, border-color 0.15s, box-shadow 0.15s;
  text-decoration: none;
  line-height: 1;
}
.btn-primary   { background: var(--tc-600); color: #fff; }
.btn-primary:hover { background: var(--tc-700); }
.btn-outline   { background: transparent; border-color: var(--tc-500); color: var(--tc-500); }
.btn-outline:hover { background: var(--tc-50); }
.btn-white     { background: #fff; color: var(--tc-600); }
.btn-white:hover { background: var(--tc-50); }
.btn-outline-white { background: transparent; border-color: #fff; color: #fff; }
.btn-outline-white:hover { background: var(--tc-700); }
.btn-lg { padding: 0.875rem 2rem; font-size: 1.0625rem; }
.btn-sm { padding: 0.375rem 0.875rem; font-size: 0.8125rem; }
.btn-full { width: 100%; }
.btn:disabled { opacity: 0.6; cursor: not-allowed; }

/* ── Cards ──────────────────────────────────────────────────── */
.card {
  background: #fff;
  border: 1px solid #e2e8f0;
  border-radius: var(--radius);
  overflow: hidden;
  transition: box-shadow 0.2s;
}
.card:hover { box-shadow: 0 4px 20px rgba(0,0,0,0.1); }
.card-body { padding: 1.5rem; }

/* ── Badge ──────────────────────────────────────────────────── */
.badge {
  display: inline-block;
  padding: 0.25rem 0.625rem;
  border-radius: 9999px;
  font-size: 0.75rem;
  font-weight: 600;
}
.badge-primary   { background: var(--tc-500); color: #fff; }
.badge-telecom   { background: var(--tc-100); color: var(--tc-700); }
.badge-outline   { background: transparent; border: 1px solid var(--tc-200); color: var(--tc-600); }

/* ── Forms ──────────────────────────────────────────────────── */
.form-input, .form-textarea, .form-select {
  width: 100%;
  padding: 0.625rem 0.875rem;
  border: 1px solid #d1d5db;
  border-radius: var(--radius);
  font-size: 0.9375rem;
  color: #1f2937;
  background: #fff;
  transition: border-color 0.15s, box-shadow 0.15s;
  outline: none;
}
.form-input:focus, .form-textarea:focus, .form-select:focus {
  border-color: var(--tc-500);
  box-shadow: 0 0 0 3px rgba(14,165,233,0.12);
}
.form-input::placeholder, .form-textarea::placeholder { color: #9ca3af; }
.form-textarea { resize: vertical; min-height: 7rem; }
.form-label { display: block; font-size: 0.875rem; font-weight: 500; color: #374151; margin-bottom: 0.375rem; }
.form-input-dark {
  background: var(--tc-700);
  border-color: var(--tc-600);
  color: #fff;
}
.form-input-dark::placeholder { color: var(--tc-300); }

/* ── Blog card image ─────────────────────────────────────────── */
.blog-img { height: 12rem; overflow: hidden; }
.blog-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s; }
.blog-img img:hover { transform: scale(1.05); }

/* ── Accordion ──────────────────────────────────────────────── */
.accordion-item { border-bottom: 1px solid #e2e8f0; }
.accordion-trigger {
  width: 100%;
  background: none;
  border: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.125rem 0;
  font-size: 1.0625rem;
  font-weight: 500;
  color: #111827;
  cursor: pointer;
  text-align: left;
  gap: 1rem;
}
.accordion-trigger .chevron {
  flex-shrink: 0;
  transition: transform 0.2s;
  color: #6b7280;
}
.accordion-trigger.open .chevron { transform: rotate(180deg); }
.accordion-content {
  display: none;
  padding-bottom: 1.25rem;
  color: #4b5563;
  line-height: 1.7;
}
.accordion-content.open { display: block; }

/* ── Consultation Dialog ─────────────────────────────────────── */
.dialog-overlay {
  position: fixed; inset: 0;
  background: rgba(0,0,0,0.5);
  z-index: 100;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}
.dialog-overlay.open { display: flex; }
.dialog-box {
  background: #fff;
  border-radius: var(--radius);
  padding: 1.75rem;
  width: 100%;
  max-width: 480px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: 0 20px 60px rgba(0,0,0,0.2);
  position: relative;
}
.dialog-close {
  position: absolute;
  top: 1rem; right: 1rem;
  background: none;
  border: none;
  color: #6b7280;
  cursor: pointer;
  padding: 0.25rem;
}
.dialog-close:hover { color: #111; }
.time-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0.5rem; }
.time-btn {
  padding: 0.375rem 0;
  border: 1px solid #d1d5db;
  border-radius: var(--radius);
  background: #fff;
  font-size: 0.8125rem;
  cursor: pointer;
  transition: all 0.15s;
  text-align: center;
  font-family: inherit;
}
.time-btn:hover { border-color: var(--tc-500); color: var(--tc-600); }
.time-btn.selected { background: var(--tc-600); color: #fff; border-color: var(--tc-600); }

/* ── Toast notification ──────────────────────────────────────── */
#toast {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  background: #1f2937;
  color: #fff;
  padding: 0.875rem 1.25rem;
  border-radius: var(--radius);
  font-size: 0.9375rem;
  box-shadow: 0 4px 20px rgba(0,0,0,0.15);
  z-index: 200;
  opacity: 0;
  transform: translateY(0.5rem);
  transition: opacity 0.3s, transform 0.3s;
  pointer-events: none;
  max-width: 320px;
}
#toast.show { opacity: 1; transform: translateY(0); }
#toast.error { background: #dc2626; }

/* ── Section containers ──────────────────────────────────────── */
.section-container { max-width: 1200px; margin: 0 auto; padding: 0 1.5rem; }

/* ── Animations ──────────────────────────────────────────────── */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to   { opacity: 1; transform: translateY(0); }
}
.animate-fade-in { animation: fadeIn 0.5s ease-out both; }

/* ── Blog filter active state ────────────────────────────────── */
.filter-btn.active { background: var(--tc-600); color: #fff; border-color: var(--tc-600); }

/* ── Prose content ───────────────────────────────────────────── */
.prose h2 { font-size: 1.375rem; font-weight: 700; color: #111827; margin: 2rem 0 1rem; }
.prose h3 { font-size: 1.125rem; font-weight: 600; color: #111827; margin: 1.5rem 0 0.75rem; }
.prose p  { color: #4b5563; margin-bottom: 1.25rem; line-height: 1.75; }
.prose ul { list-style: disc; padding-left: 1.5rem; margin-bottom: 1.5rem; }
.prose ul li { color: #4b5563; margin-bottom: 0.5rem; line-height: 1.7; }
.prose .info-box { background: #f9fafb; padding: 1rem 1.5rem; border-radius: var(--radius); margin-bottom: 1.5rem; }
.prose strong { font-weight: 600; color: #374151; }

/* ── WP pagination ───────────────────────────────────────────── */
.wp-pagenavi, .navigation.pagination { display: flex; justify-content: center; gap: 0.5rem; margin-top: 3rem; }
.wp-pagenavi a, .wp-pagenavi span,
.page-numbers { display: inline-flex; align-items: center; justify-content: center; width: 2.5rem; height: 2.5rem; border-radius: var(--radius); border: 1px solid #e2e8f0; font-size: 0.9375rem; color: #374151; }
.wp-pagenavi a:hover, .page-numbers:hover { background: var(--tc-50); border-color: var(--tc-500); color: var(--tc-600); }
.wp-pagenavi span.current, .page-numbers.current { background: var(--tc-600); color: #fff; border-color: var(--tc-600); }

/* ── Responsive helpers ──────────────────────────────────────── */
@media (max-width: 767px) {
  .hide-mobile { display: none !important; }
}