@import url("https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap");

/* ===== CSS Variables (matching main portfolio) ===== */
:root {
  --primary: #f05941;
  --primary-light: #ed7663;
  --secondary: #be3144;
  --maroon: #c63221;
  --dark: #22092c;
  --bg-light: #ffffff;
  --bg-off-white: #f8f9fa;
  --text-main: #22092c;
  --text-muted: #555555;
  --text-light: #808080;
  --white: #ffffff;
  --shadow: 0 10px 30px -10px rgba(34, 9, 44, 0.1);
  --shadow-hover: 0 20px 40px -10px rgba(34, 9, 44, 0.2);
  --radius: 16px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --glass: rgba(255, 255, 255, 0.7);
  --glass-border: rgba(255, 255, 255, 0.5);
  --blur: blur(12px);
}

/* ===== Reset & Base ===== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: "Inter", sans-serif;
  background-color: var(--bg-light);
  color: var(--text-main);
  line-height: 1.6;
  overflow-x: hidden;
}

a {
  text-decoration: none;
  color: inherit;
}

ul {
  list-style: none;
}

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

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 10px;
}

::-webkit-scrollbar-track {
  background: var(--bg-off-white);
}

::-webkit-scrollbar-thumb {
  background: var(--primary-light);
  border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--primary);
}

/* ===== Navigation ===== */
.blog-nav {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: var(--blur);
  z-index: 1000;
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.05);
  padding: 1.2rem 0;
  transition: var(--transition);
}

.blog-nav .container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.blog-nav .logo {
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--dark);
}

.blog-nav .logo span {
  color: var(--primary);
}

.blog-nav-links {
  display: flex;
  gap: 2.5rem;
  align-items: center;
}

.blog-nav-link {
  font-weight: 500;
  color: var(--text-muted);
  transition: var(--transition);
  position: relative;
  font-size: 1.05rem;
}

.blog-nav-link:hover,
.blog-nav-link.active {
  color: var(--primary);
}

.blog-nav-link::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary);
  transition: var(--transition);
}

.blog-nav-link:hover::after {
  width: 100%;
}

.blog-menu-btn {
  display: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--dark);
}

/* ===== Container ===== */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

/* ===== Blog Hero (Listing Page) ===== */
.blog-hero {
  padding: 10rem 0 4rem;
  text-align: center;
  background-color: var(--bg-off-white);
  position: relative;
  overflow: hidden;
}

.blog-hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(240, 89, 65, 0.06) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.blog-hero::after {
  content: '';
  position: absolute;
  bottom: -30%;
  left: -10%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(34, 9, 44, 0.04) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.blog-hero h1 {
  font-size: 3.5rem;
  font-weight: 800;
  background: linear-gradient(to right, var(--dark), var(--primary));
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 1rem;
  position: relative;
  z-index: 1;
}

.blog-hero p {
  font-size: 1.2rem;
  color: var(--text-muted);
  max-width: 550px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

/* ===== Search & Filter Bar ===== */
.blog-toolbar {
  padding: 2rem 0 1rem;
  position: relative;
  z-index: 2;
}

.blog-toolbar-inner {
  display: flex;
  gap: 1rem;
  align-items: center;
  flex-wrap: wrap;
}

.blog-search {
  flex: 1;
  min-width: 250px;
  position: relative;
}

.blog-search i {
  position: absolute;
  left: 1.2rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-light);
  pointer-events: none;
  transition: var(--transition);
}

.blog-search input {
  width: 100%;
  padding: 0.9rem 1rem 0.9rem 3rem;
  border: 2px solid rgba(0, 0, 0, 0.06);
  background-color: var(--white);
  border-radius: 50px;
  font-family: inherit;
  font-size: 1rem;
  color: var(--dark);
  transition: var(--transition);
}

.blog-search input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 5px 15px rgba(240, 89, 65, 0.1);
}

.blog-search input:focus + i {
  color: var(--primary);
}

.blog-tags-filter {
  display: flex;
  gap: 0.6rem;
  flex-wrap: wrap;
}

.tag-btn {
  padding: 0.6rem 1.2rem;
  border-radius: 50px;
  border: 1px solid rgba(0, 0, 0, 0.08);
  background: var(--white);
  font-family: inherit;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-muted);
  cursor: pointer;
  transition: var(--transition);
}

.tag-btn:hover {
  border-color: var(--primary-light);
  color: var(--primary);
  transform: translateY(-1px);
}

.tag-btn.active {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: var(--white);
  border-color: transparent;
  box-shadow: 0 4px 12px rgba(240, 89, 65, 0.3);
}

.tag-hidden {
  display: none;
}

.tag-toggle {
  border-style: dashed;
  color: var(--primary);
  border-color: var(--primary-light);
}

.tag-toggle:hover {
  background: rgba(240, 89, 65, 0.06);
  border-style: solid;
}

/* ===== Blog Cards Grid ===== */
.blog-listing {
  padding: 2rem 0 6rem;
}

.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2.5rem;
}

.blog-card {
  background: var(--white);
  border-radius: var(--radius);
  border: 1px solid rgba(0, 0, 0, 0.05);
  box-shadow: var(--shadow);
  overflow: hidden;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  cursor: pointer;
  opacity: 0;
  transform: translateY(30px);
}

.blog-card.animate {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.6s ease, transform 0.6s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}

.blog-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-hover);
  border-color: var(--primary-light);
}

.blog-card-img {
  width: 100%;
  height: 200px;
  overflow: hidden;
  position: relative;
}

.blog-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.blog-card:hover .blog-card-img img {
  transform: scale(1.08);
}

.blog-card-body {
  padding: 1.8rem;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.blog-card-meta {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 0.8rem;
  font-size: 0.85rem;
  color: var(--text-light);
  font-weight: 500;
}

.blog-card-meta i {
  font-size: 0.8rem;
  color: var(--primary-light);
}

.blog-card-body h3 {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 0.8rem;
  line-height: 1.4;
  transition: var(--transition);
}

.blog-card:hover .blog-card-body h3 {
  color: var(--primary);
}

.blog-card-body .summary {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.7;
  flex: 1;
  margin-bottom: 1.2rem;
}

.blog-card-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.blog-card-tags {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.blog-tag {
  padding: 0.3rem 0.8rem;
  border-radius: 50px;
  background: var(--bg-off-white);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-muted);
  transition: var(--transition);
}

.blog-card:hover .blog-tag {
  background: rgba(240, 89, 65, 0.08);
  color: var(--primary);
}

.read-more {
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  transition: var(--transition);
  white-space: nowrap;
}

.read-more i {
  font-size: 0.8rem;
  transition: transform 0.3s ease;
}

.blog-card:hover .read-more i {
  transform: translateX(4px);
}

/* ===== Empty State ===== */
.blog-empty {
  text-align: center;
  padding: 5rem 2rem;
  color: var(--text-light);
  grid-column: 1 / -1;
}

.blog-empty i {
  font-size: 3rem;
  margin-bottom: 1.5rem;
  color: var(--primary-light);
  opacity: 0.5;
}

.blog-empty h3 {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 0.5rem;
}

.blog-empty p {
  font-size: 1rem;
  color: var(--text-light);
}

/* ===== Post Page — Hero ===== */
.post-hero {
  padding: 8rem 0 3rem;
  background-color: var(--bg-off-white);
  position: relative;
  overflow: hidden;
}

.post-hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(240, 89, 65, 0.06) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

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

.post-back-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--primary);
  margin-bottom: 2rem;
  transition: var(--transition);
}

.post-back-link:hover {
  gap: 0.8rem;
}

.post-back-link i {
  transition: transform 0.3s ease;
}

.post-back-link:hover i {
  transform: translateX(-4px);
}

.post-hero-inner h1 {
  font-size: 3rem;
  font-weight: 800;
  color: var(--dark);
  line-height: 1.2;
  margin-bottom: 1.5rem;
}

.post-meta {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  flex-wrap: wrap;
  margin-bottom: 1.5rem;
  font-size: 0.95rem;
  color: var(--text-light);
  font-weight: 500;
}

.post-meta-item {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.post-meta-item i {
  color: var(--primary-light);
  font-size: 0.9rem;
}

.post-tags {
  display: flex;
  gap: 0.6rem;
  flex-wrap: wrap;
  margin-bottom: 1rem;
}

.post-tag {
  padding: 0.4rem 1rem;
  border-radius: 50px;
  background: var(--white);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-muted);
  border: 1px solid rgba(0, 0, 0, 0.06);
  transition: var(--transition);
}

.post-tag:hover {
  border-color: var(--primary-light);
  color: var(--primary);
}

/* Post Cover Image */
.post-cover {
  max-width: 800px;
  margin: 0 auto;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-hover);
  transform: translateY(-2rem);
  position: relative;
  z-index: 2;
}

.post-cover img {
  width: 100%;
  height: 400px;
  object-fit: cover;
  display: block;
}

/* ===== Post Content ===== */
.post-content-wrapper {
  padding: 0 0 6rem;
  position: relative;
  z-index: 1;
}

.post-content {
  max-width: 720px;
  margin: 0 auto;
  font-size: 1.1rem;
  line-height: 1.9;
  color: var(--text-main);
}

.post-content h2 {
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--dark);
  margin: 3rem 0 1.2rem;
  position: relative;
  padding-left: 1rem;
  border-left: 4px solid var(--primary);
}

.post-content h3 {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--dark);
  margin: 2.5rem 0 1rem;
}

.post-content p {
  margin-bottom: 1.5rem;
  color: var(--text-muted);
}

.post-content strong {
  color: var(--dark);
  font-weight: 600;
}

.post-content a {
  color: var(--primary);
  font-weight: 500;
  border-bottom: 1px solid transparent;
  transition: var(--transition);
}

.post-content a:hover {
  border-bottom-color: var(--primary);
}

.post-content ul,
.post-content ol {
  margin: 1rem 0 1.5rem 1.5rem;
  color: var(--text-muted);
}

.post-content li {
  margin-bottom: 0.6rem;
  padding-left: 0.5rem;
  list-style-type: disc;
}

.post-content ol li {
  list-style-type: decimal;
}

.post-content pre {
  background: var(--dark);
  color: #e0e0e0;
  border-radius: 12px;
  padding: 1.8rem;
  margin: 1.5rem 0 2rem;
  overflow-x: auto;
  font-size: 0.9rem;
  line-height: 1.7;
  box-shadow: 0 10px 30px rgba(34, 9, 44, 0.2);
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.post-content pre code {
  font-family: 'SF Mono', 'Fira Code', 'Cascadia Code', monospace;
  font-size: inherit;
  color: inherit;
  background: none;
  padding: 0;
  border-radius: 0;
}

.post-content code {
  font-family: 'SF Mono', 'Fira Code', 'Cascadia Code', monospace;
  background: rgba(240, 89, 65, 0.08);
  color: var(--primary);
  padding: 0.2rem 0.5rem;
  border-radius: 6px;
  font-size: 0.9em;
  font-weight: 500;
}

.post-content blockquote {
  border-left: 4px solid var(--primary);
  padding: 1rem 1.5rem;
  margin: 1.5rem 0;
  background: rgba(240, 89, 65, 0.04);
  border-radius: 0 12px 12px 0;
  color: var(--text-muted);
  font-style: italic;
}

/* ===== Post Navigation (Prev/Next) ===== */
.post-nav {
  max-width: 720px;
  margin: 0 auto 4rem;
  display: flex;
  justify-content: space-between;
  gap: 2rem;
  padding-top: 2rem;
  border-top: 1px solid rgba(0, 0, 0, 0.06);
}

.post-nav-link {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  padding: 1rem 1.5rem;
  border-radius: var(--radius);
  transition: var(--transition);
  max-width: 48%;
  border: 1px solid rgba(0, 0, 0, 0.05);
  background: var(--white);
}

.post-nav-link:hover {
  border-color: var(--primary-light);
  box-shadow: var(--shadow);
  transform: translateY(-2px);
}

.post-nav-label {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--primary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.post-nav-title {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--dark);
  line-height: 1.4;
}

.post-nav-link.next {
  text-align: right;
  margin-left: auto;
}

.post-nav-link.next .post-nav-label {
  justify-content: flex-end;
}

/* ===== Footer ===== */
.blog-footer {
  background-color: var(--dark);
  color: var(--white);
  padding: 3rem 0 2rem;
}

.blog-footer .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.blog-footer .logo {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--white);
}

.blog-footer .logo span {
  color: var(--primary);
}

.blog-footer p {
  color: var(--text-light);
  opacity: 0.6;
  font-size: 0.9rem;
}

/* ===== Scroll to Top ===== */
.scroll-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 50px;
  height: 50px;
  background: var(--primary);
  color: var(--white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
  z-index: 999;
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: var(--transition);
}

.scroll-top.active {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.scroll-top:hover {
  background: var(--white);
  color: var(--primary);
  transform: translateY(-5px);
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .blog-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
  }
}

@media (max-width: 768px) {
  .container {
    padding: 0 1.2rem;
  }

  .blog-nav-links {
    position: fixed;
    top: 70px;
    left: 0;
    width: 100%;
    background: var(--white);
    flex-direction: column;
    padding: 2rem;
    gap: 1.5rem;
    transform: translateY(-150%);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
    transition: var(--transition);
  }

  .blog-nav-links.active {
    transform: translateY(0);
  }

  .blog-menu-btn {
    display: block;
  }

  .blog-hero {
    padding: 8rem 0 3rem;
  }

  .blog-hero h1 {
    font-size: 2.2rem;
  }

  .blog-hero p {
    font-size: 1rem;
  }

  .blog-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .blog-toolbar-inner {
    flex-direction: column;
    align-items: stretch;
  }

  .blog-search {
    min-width: 100%;
  }

  .blog-tags-filter {
    justify-content: center;
  }

  /* Post page */
  .post-hero {
    padding: 7rem 0 2rem;
  }

  .post-hero-inner h1 {
    font-size: 2rem;
  }

  .post-cover {
    margin-left: 1.2rem;
    margin-right: 1.2rem;
  }

  .post-cover img {
    height: 250px;
  }

  .post-content {
    font-size: 1rem;
  }

  .post-content h2 {
    font-size: 1.5rem;
  }

  .post-content pre {
    padding: 1.2rem;
    font-size: 0.8rem;
    border-radius: 10px;
  }

  .post-nav {
    flex-direction: column;
  }

  .post-nav-link {
    max-width: 100%;
  }

  .post-nav-link.next {
    text-align: left;
  }

  .post-nav-link.next .post-nav-label {
    justify-content: flex-start;
  }

  .blog-footer .container {
    flex-direction: column;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .blog-hero h1 {
    font-size: 1.8rem;
  }

  .post-hero-inner h1 {
    font-size: 1.6rem;
  }

  .post-meta {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.5rem;
  }
}