/*
Theme Name:  Techshu Digital
Theme URI:   https://techshu.in
Description: Custom branded child theme for Techshu Digital — a performance-driven digital marketing agency.
Author:      Indus Net Techshu Digital Pvt. Ltd.
Author URI:  https://techshu.in
Template:    twentytwentyfive
Version:     1.0.0
Tags:        digital-marketing, agency, custom
Text Domain: techshu-digital
*/

/* ============================================================
   GOOGLE FONTS — DM Sans (headings) + Source Sans 3 (body)
   Mirrors Databricks' type system
   ============================================================ */
@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=Source+Sans+3:wght@300;400;600;700&display=swap');

/* ============================================================
   0. CSS CUSTOM PROPERTIES — DATABRICKS PALETTE
   ============================================================ */
:root {
  /* Core brand */
  --td-primary:        #1b1f23;   /* near-black charcoal */
  --td-secondary:      #2d3139;   /* mid-dark surface */
  --td-accent:         #ff3621;   /* Databricks red */
  --td-accent-dark:    #cc2a18;   /* red hover */
  --td-accent-light:   #ff6655;   /* soft red tint */

  /* Supporting neutrals */
  --td-text:           #1b1f23;
  --td-muted:          #6b7280;
  --td-light:          #f5f5f5;
  --td-border:         #e4e4e4;
  --td-white:          #ffffff;

  /* On-dark text */
  --td-dark-text:      #e8eaed;
  --td-dark-muted:     #9aa0a6;
  --td-dark-border:    rgba(255,255,255,0.08);

  /* Fonts */
  --td-font-heading:   'DM Sans', 'Segoe UI', system-ui, sans-serif;
  --td-font-sans:      'Source Sans 3', 'Segoe UI', system-ui, sans-serif;

  /* Shape — Databricks uses tighter, sharper corners than typical SaaS */
  --td-radius-sm:      4px;
  --td-radius:         6px;
  --td-radius-lg:      10px;

  /* Shadows */
  --td-shadow:         0 2px 12px rgba(0,0,0,0.10);
  --td-shadow-lg:      0 6px 32px rgba(0,0,0,0.16);

  --td-transition:     all 0.2s ease;
  --td-max-width:      1160px;
}

/* ============================================================
   1. GLOBAL RESET & BASE
   ============================================================ */
*, *::before, *::after { box-sizing: border-box; }

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

body {
  font-family: var(--td-font-sans);
  color: var(--td-text);
  background: var(--td-white);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  margin: 0;
  padding: 0;
}

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

a {
  color: var(--td-accent);
  text-decoration: none;
  transition: var(--td-transition);
}
a:hover { color: var(--td-accent-dark); }

/* ============================================================
   2. TYPOGRAPHY
   ============================================================ */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--td-font-heading);
  color: var(--td-primary);
  font-weight: 700;
  line-height: 1.22;
  margin-top: 0;
  margin-bottom: 0.6em;
  letter-spacing: -0.015em;
}

h1 { font-size: clamp(2rem, 4vw, 3rem);    font-weight: 800; }
h2 { font-size: clamp(1.6rem, 3vw, 2.2rem); }
h3 { font-size: clamp(1.2rem, 2vw, 1.55rem); }
h4 { font-size: 1.15rem; }

p { margin-top: 0; margin-bottom: 1.2rem; color: var(--td-text); font-size: 1rem; }

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

/* ============================================================
   3. LAYOUT HELPERS
   ============================================================ */
.td-container {
  max-width: var(--td-max-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: 24px;
  padding-right: 24px;
}

.td-section {
  padding-top: 72px;
  padding-bottom: 72px;
}

.td-section--dark {
  background: var(--td-primary);
  color: var(--td-dark-text);
}

.td-section--dark h1,
.td-section--dark h2,
.td-section--dark h3,
.td-section--dark p {
  color: var(--td-dark-text);
}

.td-section--light {
  background: var(--td-light);
}

.td-grid-2 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 32px;
}

.td-grid-3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 28px;
}

.td-flex-center {
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ============================================================
   4. HEADER & NAVIGATION
   ============================================================ */
.wp-block-template-part[data-type="header"],
header.wp-block-template-part,
#masthead,
.site-header {
  background: var(--td-primary) !important;
  border-bottom: 1px solid var(--td-dark-border);
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: 0 1px 0 rgba(255,54,33,0.15);
}

/* Site title / logo */
.site-title a,
.wp-block-site-title a,
h1.wp-block-site-title {
  color: var(--td-white) !important;
  font-family: var(--td-font-heading);
  font-weight: 800;
  font-size: 1.3rem;
  letter-spacing: -0.02em;
  text-decoration: none;
}

/* Nav links */
.wp-block-navigation a,
.main-navigation a,
nav.site-navigation a {
  color: var(--td-dark-muted) !important;
  font-family: var(--td-font-sans);
  font-size: 0.95rem;
  font-weight: 600;
  padding: 8px 14px;
  border-radius: var(--td-radius-sm);
  transition: var(--td-transition);
}

.wp-block-navigation a:hover,
.main-navigation a:hover,
nav.site-navigation a:hover {
  color: var(--td-white) !important;
  background: rgba(255,54,33,0.1);
}

/* Nav CTA button */
.wp-block-navigation .wp-block-navigation-item:last-child > a,
.nav-cta {
  background: var(--td-accent) !important;
  color: var(--td-white) !important;
  font-weight: 700 !important;
  padding: 9px 20px !important;
  border-radius: var(--td-radius-sm) !important;
}

.wp-block-navigation .wp-block-navigation-item:last-child > a:hover {
  background: var(--td-accent-dark) !important;
}

/* ============================================================
   5. HERO / BANNER
   ============================================================ */
.td-hero {
  background: linear-gradient(140deg, var(--td-primary) 0%, #22262e 55%, #2a1a18 100%);
  padding: 96px 24px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.td-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 60% 40%, rgba(255,54,33,0.12) 0%, transparent 65%);
  pointer-events: none;
}

/* Red bottom-edge line — Databricks signature detail */
.td-hero::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, transparent, var(--td-accent), transparent);
}

.td-hero h1 {
  color: var(--td-white);
  font-family: var(--td-font-heading);
  font-size: clamp(2.2rem, 5vw, 3.5rem);
  font-weight: 800;
  margin-bottom: 20px;
  letter-spacing: -0.025em;
}

.td-hero h1 span { color: var(--td-accent); }

.td-hero p {
  color: var(--td-dark-muted);
  font-size: 1.15rem;
  max-width: 620px;
  margin: 0 auto 36px;
}

/* ============================================================
   6. BUTTONS
   ============================================================ */
.td-btn,
.wp-block-button__link,
input[type="submit"],
button[type="submit"] {
  display: inline-block;
  padding: 12px 28px;
  border-radius: var(--td-radius-sm);
  font-family: var(--td-font-sans);
  font-weight: 700;
  font-size: 0.95rem;
  cursor: pointer;
  transition: var(--td-transition);
  border: none;
  text-decoration: none;
  letter-spacing: 0.1px;
}

.td-btn--primary,
.wp-block-button:not(.is-style-outline) .wp-block-button__link {
  background: var(--td-accent) !important;
  color: var(--td-white) !important;
}

.td-btn--primary:hover,
.wp-block-button:not(.is-style-outline) .wp-block-button__link:hover {
  background: var(--td-accent-dark) !important;
  transform: translateY(-1px);
  box-shadow: 0 4px 18px rgba(255,54,33,0.35);
}

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

.td-btn--dark:hover {
  background: var(--td-secondary);
  transform: translateY(-1px);
}

.td-btn--outline {
  background: transparent;
  border: 2px solid var(--td-accent);
  color: var(--td-accent);
}

.td-btn--outline:hover {
  background: var(--td-accent);
  color: var(--td-white);
}

/* ============================================================
   7. CARDS
   ============================================================ */
.td-card {
  background: var(--td-white);
  border: 1px solid var(--td-border);
  border-radius: var(--td-radius);
  padding: 28px;
  box-shadow: var(--td-shadow);
  transition: var(--td-transition);
}

.td-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--td-shadow-lg);
  border-color: var(--td-accent);
}

.td-card__icon {
  width: 48px;
  height: 48px;
  background: var(--td-accent);
  border-radius: var(--td-radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  margin-bottom: 16px;
}

.td-card__tag {
  display: inline-block;
  padding: 3px 10px;
  border-radius: var(--td-radius-sm);
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  margin-bottom: 12px;
}

.td-card__tag--red    { background: #fff0ee; color: var(--td-accent); }
.td-card__tag--blue   { background: #eff6ff; color: #1d4ed8; }
.td-card__tag--green  { background: #f0fdf4; color: #15803d; }
.td-card__tag--yellow { background: #fefce8; color: #a16207; }
.td-card__tag--gray   { background: #f3f4f6; color: #374151; }

/* ============================================================
   8. STATS / COUNTER STRIP
   ============================================================ */
.td-stats {
  background: var(--td-primary);
  padding: 52px 24px;
  border-top: 1px solid var(--td-dark-border);
}

.td-stats__grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-around;
  gap: 32px;
  text-align: center;
  max-width: var(--td-max-width);
  margin: 0 auto;
}

.td-stats__number {
  font-family: var(--td-font-heading);
  font-size: 2.8rem;
  font-weight: 800;
  color: var(--td-accent);
  line-height: 1;
  margin-bottom: 6px;
}

.td-stats__label {
  color: var(--td-dark-muted);
  font-size: 0.9rem;
  font-family: var(--td-font-sans);
}

/* ============================================================
   9. BADGE / PILL
   ============================================================ */
.td-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(255,54,33,0.08);
  border: 1px solid rgba(255,54,33,0.2);
  color: var(--td-accent);
  padding: 4px 12px;
  border-radius: var(--td-radius-sm);
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  margin-bottom: 16px;
}

/* ============================================================
   10. FORMS
   ============================================================ */
input[type="text"],
input[type="email"],
input[type="tel"],
input[type="url"],
input[type="number"],
input[type="search"],
textarea,
select {
  width: 100%;
  padding: 11px 15px;
  border: 1.5px solid var(--td-border);
  border-radius: var(--td-radius-sm);
  font-size: 0.95rem;
  font-family: var(--td-font-sans);
  color: var(--td-text);
  background: var(--td-white);
  transition: var(--td-transition);
  outline: none;
  box-sizing: border-box;
}

input:focus,
textarea:focus,
select:focus {
  border-color: var(--td-accent);
  box-shadow: 0 0 0 3px rgba(255,54,33,0.12);
}

label {
  display: block;
  font-family: var(--td-font-sans);
  font-size: 0.85rem;
  font-weight: 600;
  color: #374151;
  margin-bottom: 6px;
}

.search-form input[type="search"] {
  border-radius: var(--td-radius-sm) 0 0 var(--td-radius-sm);
}

.search-form button {
  background: var(--td-accent);
  color: var(--td-white);
  border: none;
  padding: 11px 20px;
  font-weight: 700;
  border-radius: 0 var(--td-radius-sm) var(--td-radius-sm) 0;
  cursor: pointer;
}

/* ============================================================
   11. POSTS / BLOG
   ============================================================ */
.site-main article.post,
.post-card {
  background: var(--td-white);
  border: 1px solid var(--td-border);
  border-radius: var(--td-radius);
  overflow: hidden;
  transition: var(--td-transition);
  margin-bottom: 32px;
}

.site-main article.post:hover,
.post-card:hover {
  box-shadow: var(--td-shadow-lg);
  transform: translateY(-2px);
  border-color: var(--td-accent);
}

.post-thumbnail img {
  width: 100%;
  height: 220px;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.post-thumbnail:hover img { transform: scale(1.03); }

.entry-header { padding: 22px 22px 0; }
.entry-content { padding: 0 22px 22px; }

.entry-title {
  font-family: var(--td-font-heading);
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 10px;
}

.entry-title a { color: var(--td-primary); }
.entry-title a:hover { color: var(--td-accent); }

.entry-meta {
  font-size: 0.82rem;
  color: var(--td-muted);
  margin-bottom: 12px;
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.cat-links a {
  background: #fff0ee;
  color: var(--td-accent);
  padding: 3px 10px;
  border-radius: var(--td-radius-sm);
  font-size: 0.78rem;
  font-weight: 700;
}

/* ============================================================
   12. SINGLE POST
   ============================================================ */
.single .entry-content {
  max-width: 780px;
  margin: 0 auto;
  font-size: 1.05rem;
  line-height: 1.85;
}

.single .entry-content h2,
.single .entry-content h3 {
  font-family: var(--td-font-heading);
  margin-top: 2rem;
  margin-bottom: 0.8rem;
  padding-top: 0.5rem;
  border-top: 2px solid var(--td-border);
}

.single .entry-content blockquote {
  border-left: 4px solid var(--td-accent);
  background: var(--td-light);
  padding: 18px 22px;
  margin: 28px 0;
  border-radius: 0 var(--td-radius-sm) var(--td-radius-sm) 0;
  font-style: italic;
  color: var(--td-muted);
}

.single .entry-content code {
  background: #1b1f23;
  color: #ff9580;
  padding: 2px 7px;
  border-radius: var(--td-radius-sm);
  font-size: 0.88em;
}

.single .entry-content pre {
  background: var(--td-primary);
  color: #e8eaed;
  padding: 24px;
  border-radius: var(--td-radius);
  overflow-x: auto;
  font-size: 0.9rem;
  border-left: 3px solid var(--td-accent);
}

/* ============================================================
   13. SIDEBAR & WIDGETS
   ============================================================ */
.widget {
  background: var(--td-white);
  border: 1px solid var(--td-border);
  border-radius: var(--td-radius);
  padding: 22px;
  margin-bottom: 24px;
}

.widget-title {
  font-family: var(--td-font-heading);
  font-size: 1rem;
  font-weight: 700;
  color: var(--td-primary);
  border-bottom: 2px solid var(--td-accent);
  padding-bottom: 10px;
  margin-bottom: 14px;
}

.widget ul { padding-left: 0; list-style: none; }
.widget ul li { padding: 6px 0; border-bottom: 1px solid var(--td-border); font-size: 0.92rem; }
.widget ul li:last-child { border-bottom: none; }

/* ============================================================
   14. PAGINATION
   ============================================================ */
.pagination .page-numbers,
.nav-links a {
  display: inline-block;
  padding: 8px 14px;
  border: 1.5px solid var(--td-border);
  border-radius: var(--td-radius-sm);
  color: var(--td-text);
  font-weight: 600;
  margin: 0 3px;
  transition: var(--td-transition);
}

.pagination .page-numbers.current,
.pagination .page-numbers:hover,
.nav-links a:hover {
  background: var(--td-accent);
  border-color: var(--td-accent);
  color: var(--td-white);
  font-weight: 700;
}

/* ============================================================
   15. FOOTER
   ============================================================ */
.site-footer,
footer.wp-block-template-part,
#colophon {
  background: var(--td-primary) !important;
  color: var(--td-dark-muted);
  padding: 60px 24px 28px;
  border-top: 1px solid var(--td-dark-border);
}

/* Red top accent line on footer */
.site-footer::before,
footer.wp-block-template-part::before {
  content: "";
  display: block;
  height: 3px;
  background: var(--td-accent);
  margin-bottom: 60px;
  margin-left: -24px;
  margin-right: -24px;
  margin-top: -60px;
}

.site-footer a { color: var(--td-dark-muted); transition: var(--td-transition); }
.site-footer a:hover { color: var(--td-accent-light); }

.site-footer .site-info {
  text-align: center;
  font-size: 0.85rem;
  padding-top: 28px;
  border-top: 1px solid var(--td-dark-border);
  margin-top: 28px;
  color: #4b5563;
}

.footer-brand {
  font-family: var(--td-font-heading);
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--td-white);
  margin-bottom: 8px;
}

.footer-tagline {
  font-size: 0.88rem;
  color: #4b5563;
  margin-bottom: 20px;
}

/* ============================================================
   16. UTILITY CLASSES
   ============================================================ */
.mt-0  { margin-top: 0 !important; }
.mb-0  { margin-bottom: 0 !important; }
.mb-16 { margin-bottom: 16px !important; }
.mb-32 { margin-bottom: 32px !important; }
.mb-48 { margin-bottom: 48px !important; }

.rounded    { border-radius: var(--td-radius) !important; }
.rounded-lg { border-radius: var(--td-radius-lg) !important; }

.shadow    { box-shadow: var(--td-shadow) !important; }
.shadow-lg { box-shadow: var(--td-shadow-lg) !important; }

.bg-dark  { background: var(--td-primary) !important; }
.bg-light { background: var(--td-light) !important; }
.bg-white { background: var(--td-white) !important; }

.text-white { color: var(--td-white) !important; }
.text-dark  { color: var(--td-primary) !important; }

.divider {
  border: none;
  border-top: 1px solid var(--td-border);
  margin: 40px 0;
}

/* ============================================================
   17. SCROLL TO TOP BUTTON
   ============================================================ */
.td-scroll-top {
  position: fixed;
  bottom: 28px;
  right: 28px;
  background: var(--td-accent);
  color: var(--td-white);
  width: 44px;
  height: 44px;
  border-radius: var(--td-radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  font-weight: 700;
  box-shadow: 0 4px 16px rgba(255,54,33,0.4);
  cursor: pointer;
  z-index: 999;
  text-decoration: none;
  transition: var(--td-transition);
}

.td-scroll-top:hover {
  background: var(--td-accent-dark);
  transform: translateY(-2px);
}

/* ============================================================
   18. RESPONSIVE
   ============================================================ */
@media (max-width: 768px) {
  .td-section { padding-top: 48px; padding-bottom: 48px; }
  .td-hero    { padding: 60px 20px; }
  .td-grid-2,
  .td-grid-3  { grid-template-columns: 1fr; }

  h1 { font-size: 1.85rem; }
  h2 { font-size: 1.45rem; }

  .td-stats__grid {
    flex-direction: column;
    align-items: center;
  }
}

@media (max-width: 480px) {
  .td-container { padding-left: 16px; padding-right: 16px; }
  .td-card      { padding: 18px; }
  h1 { font-size: 1.6rem; }
}