/* ================================================
   TANIMUL ISLAM — PORTFOLIO
   Dark modern theme inspired by mahmud-arif.github.io
   ================================================ */

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

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

:root {
  --bg:           #0a0f1e;
  --bg-section:   rgba(15, 23, 42, 0.4);
  --bg-card:      #0f172a;
  --border:       rgba(255, 255, 255, 0.07);

  --sky:          #38bdf8;
  --indigo:       #818cf8;
  --violet:       #a78bfa;
  --emerald:      #34d399;
  --amber:        #fbbf24;
  --rose:         #fb7185;

  --text:         #e2e8f0;
  --muted:        #94a3b8;

  --transition-theme: background 0.3s ease, color 0.3s ease, border-color 0.3s ease;
}

/* ========== LIGHT MODE ========== */
body.light {
  --bg:           #f0f4f8;
  --bg-section:   rgba(226, 232, 240, 0.5);
  --bg-card:      #ffffff;
  --border:       rgba(0, 0, 0, 0.09);
  --text:         #0f172a;
  --muted:        #64748b;
}

body {
  transition: background 0.3s ease, color 0.3s ease;
}

body.light .navbar.scrolled {
  background: rgba(240, 244, 248, 0.92);
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.08);
}

body.light .hero-blob-1,
body.light .hero-blob-2 { opacity: 0.18; }

body.light .mobile-menu {
  background: rgba(240, 244, 248, 0.98);
}

body.light .footer {
  background: #e2e8f0;
}

body.light .form-group input,
body.light .form-group textarea {
  background: #f8fafc;
}

body.light .blog-category {
  background: rgba(240, 244, 248, 0.85) !important;
}

body.light .blog-image-placeholder {
  background: linear-gradient(135deg, #e2e8f0, #cbd5e1);
}

body.light .hero-badge {
  background: rgba(56, 189, 248, 0.12);
  border-color: rgba(56, 189, 248, 0.3);
}

body.light .scroll-mouse {
  border-color: var(--muted);
}

body.light .scroll-wheel {
  background: var(--muted);
}

/* ========== THEME TOGGLE ========== */
.theme-toggle {
  background: none;
  border: 1px solid var(--border);
  color: var(--muted);
  width: 36px;
  height: 36px;
  border-radius: 8px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  transition: border-color 0.2s, color 0.2s, background 0.2s;
  flex-shrink: 0;
}
.theme-toggle:hover {
  border-color: var(--sky);
  color: var(--sky);
  background: rgba(56, 189, 248, 0.08);
}

html {
  scroll-behavior: smooth;
  overflow-x: hidden;
}
html::-webkit-scrollbar       { width: 6px; }
html::-webkit-scrollbar-track { background: var(--bg); }
html::-webkit-scrollbar-thumb { background: var(--sky); border-radius: 3px; }

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

a { text-decoration: none; color: inherit; }
ul { list-style: none; }

/* ========== UTILITIES ========== */
.gradient-text {
  background: linear-gradient(135deg, var(--sky), var(--indigo));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  transition: transform 0.3s, border-color 0.3s;
}
.card:hover { transform: translateY(-2px); }

.section-container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 90px 24px;
}

.section-header {
  text-align: center;
  margin-bottom: 60px;
}

.section-tag {
  color: var(--sky);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 8px;
}

.section-title {
  font-size: clamp(1.9rem, 4vw, 2.6rem);
  font-weight: 800;
  color: var(--text);
}

/* Color text helpers */
.sky-text     { color: var(--sky); }
.indigo-text  { color: var(--indigo); }
.violet-text  { color: var(--violet); }
.emerald-text { color: var(--emerald); }
.amber-text   { color: var(--amber); }
.rose-text    { color: var(--rose); }

/* ========== BUTTONS ========== */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--sky);
  color: #0a0f1e;
  font-weight: 700;
  font-size: 0.88rem;
  padding: 11px 22px;
  border-radius: 8px;
  border: none;
  cursor: pointer;
  font-family: 'Inter', sans-serif;
  transition: background 0.2s, transform 0.2s;
}
.btn-primary:hover { background: #7dd3fc; transform: translateY(-2px); }
.btn-primary.full-width { width: 100%; justify-content: center; font-size: 0.95rem; padding: 13px; }

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: transparent;
  color: var(--sky);
  font-weight: 600;
  font-size: 0.88rem;
  padding: 11px 22px;
  border-radius: 8px;
  border: 1px solid rgba(56, 189, 248, 0.4);
  transition: border-color 0.2s, background 0.2s, transform 0.2s;
}
.btn-secondary:hover { border-color: var(--sky); background: rgba(56, 189, 248, 0.08); transform: translateY(-2px); }

.btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--muted);
  font-size: 0.88rem;
  font-weight: 500;
  padding: 11px 14px;
  border-radius: 8px;
  transition: color 0.2s;
}
.btn-ghost:hover { color: var(--text); }

/* ========== REVEAL ANIMATION ========== */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}
.reveal.revealed {
  opacity: 1;
  transform: translateY(0);
}

/* ========== NAVBAR ========== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  transition: background 0.3s, border-color 0.3s, box-shadow 0.3s;
}

.navbar.scrolled {
  background: rgba(10, 15, 30, 0.92);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.4);
}

.nav-container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 18px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text);
}
.logo-icon { color: var(--sky); font-size: 1.3rem; }
.logo-accent { color: var(--sky); }

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav-links a {
  color: var(--muted);
  font-size: 0.875rem;
  font-weight: 500;
  transition: color 0.2s;
}
.nav-links a:hover { color: var(--sky); }

.nav-btn-outline {
  display: inline-flex !important;
  align-items: center;
  gap: 6px;
  border: 1px solid rgba(56, 189, 248, 0.4) !important;
  color: var(--sky) !important;
  padding: 7px 15px;
  border-radius: 8px;
  font-size: 0.82rem !important;
  font-weight: 600 !important;
  transition: border-color 0.2s, background 0.2s !important;
}
.nav-btn-outline:hover {
  border-color: var(--sky) !important;
  background: rgba(56, 189, 248, 0.09) !important;
}

.nav-btn-filled {
  background: var(--sky) !important;
  color: #0a0f1e !important;
  padding: 7px 15px !important;
  border-radius: 8px !important;
  font-size: 0.82rem !important;
  font-weight: 700 !important;
  transition: background 0.2s !important;
}
.nav-btn-filled:hover { background: #7dd3fc !important; color: #0a0f1e !important; }

.hamburger {
  display: none;
  background: none;
  border: none;
  color: var(--text);
  font-size: 1.35rem;
  cursor: pointer;
  padding: 4px;
}

.mobile-menu {
  display: none;
  background: rgba(8, 12, 24, 0.97);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-top: 1px solid var(--border);
  padding: 20px 24px 28px;
}
.mobile-menu.open { display: block; }
.mobile-menu ul { display: flex; flex-direction: column; gap: 14px; }
.mobile-menu a { color: var(--text); font-size: 0.95rem; font-weight: 500; display: block; transition: color 0.2s; }
.mobile-menu a:hover { color: var(--sky); }

/* ========== HERO ========== */
.hero {
  min-height: 100vh;
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: center;
  overflow: hidden;
}

.hero-blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(90px);
  opacity: 0.1;
  pointer-events: none;
  z-index: 0;
}
.hero-blob-1 {
  width: 520px; height: 520px;
  background: var(--sky);
  top: -120px; left: -160px;
  animation: blobMove 9s ease-in-out infinite;
}
.hero-blob-2 {
  width: 420px; height: 420px;
  background: var(--indigo);
  bottom: 60px; right: -100px;
  animation: blobMove 11s ease-in-out infinite reverse;
}

@keyframes blobMove {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33%       { transform: translate(25px, -25px) scale(1.06); }
  66%       { transform: translate(-15px, 18px) scale(0.95); }
}

.hero-inner {
  position: relative;
  z-index: 1;
  max-width: 1100px;
  margin: 0 auto;
  padding: 120px 24px 80px;
  display: flex;
  align-items: center;
  gap: 60px;
  flex-wrap: wrap;
}

.hero-content {
  flex: 1 1 460px;
  max-width: 580px;
  animation: fadeUp 0.8s ease both;
}

.hero-image {
  flex: 1 1 260px;
  display: flex;
  justify-content: center;
  animation: fadeUp 0.8s 0.2s ease both;
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(40px); }
  to   { opacity: 1; transform: translateY(0); }
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(56, 189, 248, 0.1);
  border: 1px solid rgba(56, 189, 248, 0.28);
  color: var(--sky);
  padding: 7px 16px;
  border-radius: 999px;
  font-size: 0.82rem;
  font-weight: 500;
  margin-bottom: 24px;
}

.badge-dot {
  width: 8px; height: 8px;
  background: var(--emerald);
  border-radius: 50%;
  animation: dotPulse 2s ease-in-out infinite;
}

@keyframes dotPulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%       { opacity: 0.4; transform: scale(1.4); }
}

.hero-title {
  font-size: clamp(2.1rem, 5vw, 3.4rem);
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 14px;
  color: var(--text);
}

.hero-role {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--indigo);
  margin-bottom: 18px;
}

.hero-desc {
  font-size: 0.98rem;
  color: var(--muted);
  line-height: 1.85;
  margin-bottom: 32px;
  max-width: 500px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 36px;
}

.hero-socials {
  display: flex;
  gap: 18px;
}
.hero-socials a {
  color: var(--muted);
  font-size: 1.25rem;
  transition: color 0.2s, transform 0.2s;
}
.hero-socials a:hover { color: var(--sky); transform: translateY(-3px); }

/* Profile image */
.image-wrapper {
  position: relative;
  width: 280px; height: 280px;
}

.image-wrapper::before {
  content: '';
  position: absolute;
  inset: -4px;
  border-radius: 40% 60% 60% 40% / 40% 40% 60% 60%;
  background: linear-gradient(135deg, var(--sky), var(--indigo));
  animation: morphShape 7s ease-in-out infinite;
  z-index: 0;
}

.image-wrapper img {
  position: relative;
  z-index: 1;
  width: 100%; height: 100%;
  object-fit: cover;
  border-radius: 40% 60% 60% 40% / 40% 40% 60% 60%;
  animation: morphShape 7s ease-in-out infinite;
}

@keyframes morphShape {
  0%, 100% { border-radius: 40% 60% 60% 40% / 40% 40% 60% 60%; }
  50%       { border-radius: 60% 40% 40% 60% / 60% 60% 40% 40%; }
}

/* Scroll indicator */
.scroll-indicator {
  position: absolute;
  bottom: 28px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 7px;
  color: var(--muted);
  font-size: 0.72rem;
  letter-spacing: 0.05em;
  z-index: 1;
}

.scroll-mouse {
  width: 22px; height: 34px;
  border: 2px solid rgba(148, 163, 184, 0.4);
  border-radius: 12px;
  display: flex;
  justify-content: center;
  padding-top: 6px;
}

.scroll-wheel {
  width: 3px; height: 7px;
  background: var(--sky);
  border-radius: 2px;
  animation: scrollDown 1.6s ease-in-out infinite;
}

@keyframes scrollDown {
  0%   { transform: translateY(0); opacity: 1; }
  100% { transform: translateY(10px); opacity: 0; }
}

/* ========== ABOUT ========== */
.about { background: var(--bg-section); }

.about-grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 40px;
  align-items: start;
}

.about-bio {
  padding: 28px;
  margin-bottom: 16px;
}

.about-bio h3 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.about-bio h3 i { color: var(--sky); }

.info-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.info-item { display: flex; flex-direction: column; gap: 2px; }
.info-label {
  font-size: 0.7rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.info-value {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text);
  text-transform: capitalize;
}
.info-value.available { color: var(--emerald); }

.highlight-cards { display: flex; flex-direction: column; gap: 10px; }

.highlight-card {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 16px 18px;
}

.hc-icon {
  width: 36px; height: 36px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  flex-shrink: 0;
}
.hc-icon.sky    { background: rgba(56, 189, 248, 0.14); color: var(--sky); }
.hc-icon.indigo { background: rgba(129, 140, 248, 0.14); color: var(--indigo); }
.hc-icon.violet { background: rgba(167, 139, 250, 0.14); color: var(--violet); }
.hc-icon.emerald { background: rgba(52, 211, 153, 0.14); color: var(--emerald); }

.highlight-card h4 { font-size: 0.875rem; font-weight: 600; color: var(--text); margin-bottom: 3px; }
.highlight-card p  { font-size: 0.78rem; color: var(--muted); line-height: 1.5; }

.about-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  align-content: start;
}

.stat-card {
  padding: 28px 16px;
  text-align: center;
}
.stat-card h3 {
  font-size: 2.4rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--sky), var(--indigo));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
}
.stat-card p { font-size: 0.8rem; color: var(--muted); margin-top: 6px; }

/* ========== SKILLS ========== */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.skill-category { padding: 22px; }

.skill-cat-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
}
.skill-cat-header i { font-size: 1.2rem; }
.skill-cat-header h3 { font-size: 0.95rem; font-weight: 600; color: var(--text); }

.skill-tags { display: flex; flex-wrap: wrap; gap: 7px; }

.skill-tag {
  font-size: 0.76rem;
  font-weight: 500;
  padding: 3px 11px;
  border-radius: 999px;
  border: 1px solid;
}
.skill-tag.sky     { color: var(--sky);     border-color: rgba(56, 189, 248, 0.3);  background: rgba(56, 189, 248, 0.07); }
.skill-tag.indigo  { color: var(--indigo);  border-color: rgba(129, 140, 248, 0.3); background: rgba(129, 140, 248, 0.07); }
.skill-tag.violet  { color: var(--violet);  border-color: rgba(167, 139, 250, 0.3); background: rgba(167, 139, 250, 0.07); }
.skill-tag.amber   { color: var(--amber);   border-color: rgba(251, 191, 36, 0.3);  background: rgba(251, 191, 36, 0.07); }
.skill-tag.emerald { color: var(--emerald); border-color: rgba(52, 211, 153, 0.3);  background: rgba(52, 211, 153, 0.07); }
.skill-tag.rose    { color: var(--rose);    border-color: rgba(251, 113, 133, 0.3); background: rgba(251, 113, 133, 0.07); }

/* hover border tints */
.card:has(.skill-cat-header .sky-text):hover     { border-color: rgba(56, 189, 248, 0.3); }
.card:has(.skill-cat-header .indigo-text):hover  { border-color: rgba(129, 140, 248, 0.3); }
.card:has(.skill-cat-header .violet-text):hover  { border-color: rgba(167, 139, 250, 0.3); }
.card:has(.skill-cat-header .amber-text):hover   { border-color: rgba(251, 191, 36, 0.3); }
.card:has(.skill-cat-header .emerald-text):hover { border-color: rgba(52, 211, 153, 0.3); }
.card:has(.skill-cat-header .rose-text):hover    { border-color: rgba(251, 113, 133, 0.3); }

/* ========== PROJECTS ========== */
.projects { background: var(--bg-section); }

.projects-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 22px;
}

.project-card {
  padding: 26px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.project-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.project-icon {
  width: 42px; height: 42px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.05rem;
}
.project-icon.sky    { background: rgba(56, 189, 248, 0.14); color: var(--sky); }
.project-icon.indigo { background: rgba(129, 140, 248, 0.14); color: var(--indigo); }
.project-icon.violet { background: rgba(167, 139, 250, 0.14); color: var(--violet); }
.project-icon.emerald { background: rgba(52, 211, 153, 0.14); color: var(--emerald); }

.project-badge {
  font-size: 0.72rem;
  font-weight: 600;
  padding: 3px 11px;
  border-radius: 999px;
  border: 1px solid;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.project-badge.sky    { color: var(--sky);     border-color: rgba(56, 189, 248, 0.3);  background: rgba(56, 189, 248, 0.07); }
.project-badge.indigo { color: var(--indigo);  border-color: rgba(129, 140, 248, 0.3); background: rgba(129, 140, 248, 0.07); }
.project-badge.violet { color: var(--violet);  border-color: rgba(167, 139, 250, 0.3); background: rgba(167, 139, 250, 0.07); }
.project-badge.emerald { color: var(--emerald); border-color: rgba(52, 211, 153, 0.3); background: rgba(52, 211, 153, 0.07); }

.project-card h3 { font-size: 1.1rem; font-weight: 700; color: var(--text); }
.project-card > p { font-size: 0.875rem; color: var(--muted); line-height: 1.75; flex: 1; }

.project-tags { display: flex; flex-wrap: wrap; gap: 6px; }
.project-tags span {
  font-size: 0.73rem;
  color: var(--muted);
  padding: 3px 9px;
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border);
}

.project-links { display: flex; gap: 10px; margin-top: 2px; }

.project-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.82rem;
  font-weight: 600;
  padding: 7px 15px;
  border-radius: 8px;
  border: 1px solid;
  transition: background 0.2s, transform 0.2s;
}
.project-link:hover { transform: translateY(-2px); }
.project-link.sky    { color: var(--sky);     border-color: rgba(56, 189, 248, 0.4); }
.project-link.sky:hover { background: rgba(56, 189, 248, 0.1); }
.project-link.indigo { color: var(--indigo);  border-color: rgba(129, 140, 248, 0.4); }
.project-link.indigo:hover { background: rgba(129, 140, 248, 0.1); }
.project-link.violet { color: var(--violet);  border-color: rgba(167, 139, 250, 0.4); }
.project-link.violet:hover { background: rgba(167, 139, 250, 0.1); }
.project-link.emerald { color: var(--emerald); border-color: rgba(52, 211, 153, 0.4); }
.project-link.emerald:hover { background: rgba(52, 211, 153, 0.1); }

/* ========== BLOGS ========== */
.blogs-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 22px;
}

.blog-card {
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.blog-image {
  position: relative;
  height: 180px;
  overflow: hidden;
}

.blog-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}
.blog-card:hover .blog-image img { transform: scale(1.05); }

/* Placeholder for blogs without images */
.blog-image-placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
}
.blog-image-placeholder.indigo { background: linear-gradient(135deg, rgba(129, 140, 248, 0.15), rgba(129, 140, 248, 0.05)); color: var(--indigo); }
.blog-image-placeholder.violet { background: linear-gradient(135deg, rgba(167, 139, 250, 0.15), rgba(167, 139, 250, 0.05)); color: var(--violet); }
.blog-image-placeholder.emerald { background: linear-gradient(135deg, rgba(52, 211, 153, 0.15), rgba(52, 211, 153, 0.05)); color: var(--emerald); }

.blog-category {
  position: absolute;
  top: 12px;
  left: 12px;
  font-size: 0.72rem;
  font-weight: 600;
  padding: 3px 11px;
  border-radius: 999px;
  border: 1px solid;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  backdrop-filter: blur(6px);
}
.blog-category.sky    { color: var(--sky);     border-color: rgba(56, 189, 248, 0.5);  background: rgba(10, 15, 30, 0.7); }
.blog-category.indigo { color: var(--indigo);  border-color: rgba(129, 140, 248, 0.5); background: rgba(10, 15, 30, 0.7); }
.blog-category.violet { color: var(--violet);  border-color: rgba(167, 139, 250, 0.5); background: rgba(10, 15, 30, 0.7); }
.blog-category.emerald { color: var(--emerald); border-color: rgba(52, 211, 153, 0.5); background: rgba(10, 15, 30, 0.7); }

.blog-body {
  padding: 22px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  flex: 1;
}

.blog-meta {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}
.blog-meta span {
  font-size: 0.75rem;
  color: var(--muted);
  display: flex;
  align-items: center;
  gap: 5px;
}
.blog-meta i { color: var(--sky); font-size: 0.7rem; }

.blog-body h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text);
  line-height: 1.4;
}

.blog-body p {
  font-size: 0.855rem;
  color: var(--muted);
  line-height: 1.75;
  flex: 1;
}

.blog-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.82rem;
  font-weight: 600;
  margin-top: 4px;
  transition: gap 0.2s, color 0.2s;
}
.blog-link.sky { color: var(--sky); }
.blog-link.sky:hover { gap: 10px; color: #7dd3fc; }

.blog-link-disabled {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--muted);
  margin-top: 4px;
}

@media (max-width: 768px) {
  .blogs-grid { grid-template-columns: 1fr; }
}

/* ========== EDUCATION ========== */
.timeline {
  max-width: 720px;
  margin: 0 auto 40px;
  position: relative;
  padding-left: 16px;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 20px;
  top: 10px;
  bottom: 10px;
  width: 2px;
  background: linear-gradient(to bottom, var(--sky), var(--indigo), var(--violet), var(--emerald));
  opacity: 0.25;
}

.timeline-item {
  display: flex;
  gap: 22px;
  margin-bottom: 24px;
  align-items: flex-start;
}

.timeline-dot {
  width: 42px; height: 42px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.95rem;
  flex-shrink: 0;
  position: relative;
  z-index: 1;
}
.timeline-dot.sky    { background: rgba(56, 189, 248, 0.14); color: var(--sky);     border: 2px solid rgba(56, 189, 248, 0.35); }
.timeline-dot.indigo { background: rgba(129, 140, 248, 0.14); color: var(--indigo); border: 2px solid rgba(129, 140, 248, 0.35); }
.timeline-dot.violet { background: rgba(167, 139, 250, 0.14); color: var(--violet); border: 2px solid rgba(167, 139, 250, 0.35); }
.timeline-dot.emerald { background: rgba(52, 211, 153, 0.14); color: var(--emerald); border: 2px solid rgba(52, 211, 153, 0.35); }

.timeline-content { flex: 1; padding: 18px 22px; }

.timeline-date {
  display: inline-block;
  font-size: 0.76rem;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: 999px;
  border: 1px solid;
  margin-bottom: 8px;
}
.timeline-date.sky    { color: var(--sky);     border-color: rgba(56, 189, 248, 0.3);  background: rgba(56, 189, 248, 0.08); }
.timeline-date.indigo { color: var(--indigo);  border-color: rgba(129, 140, 248, 0.3); background: rgba(129, 140, 248, 0.08); }
.timeline-date.violet { color: var(--violet);  border-color: rgba(167, 139, 250, 0.3); background: rgba(167, 139, 250, 0.08); }
.timeline-date.emerald { color: var(--emerald); border-color: rgba(52, 211, 153, 0.3); background: rgba(52, 211, 153, 0.08); }

.timeline-content h3 { font-size: 0.975rem; font-weight: 600; color: var(--text); margin-bottom: 4px; }
.timeline-content p  { font-size: 0.85rem; color: var(--muted); }

.resume-cta { text-align: center; }

/* ========== CONTACT ========== */
.contact { background: var(--bg-section); }

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 48px;
  align-items: start;
}

.contact-info h3 { font-size: 1.45rem; font-weight: 700; color: var(--text); margin-bottom: 10px; }
.contact-info > p { font-size: 0.9rem; color: var(--muted); line-height: 1.75; margin-bottom: 26px; }

.contact-items { display: flex; flex-direction: column; gap: 10px; margin-bottom: 26px; }

.contact-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 18px;
}

.contact-icon {
  width: 38px; height: 38px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.95rem;
  flex-shrink: 0;
}
.contact-icon.sky    { background: rgba(56, 189, 248, 0.14); color: var(--sky); }
.contact-icon.indigo { background: rgba(129, 140, 248, 0.14); color: var(--indigo); }
.contact-icon.violet { background: rgba(167, 139, 250, 0.14); color: var(--violet); }

.contact-item span { font-size: 0.75rem; color: var(--muted); letter-spacing: 0.01em; display: block; margin-bottom: 1px; }
.contact-item p    { font-size: 0.875rem; color: var(--text); font-weight: 500; }

.contact-socials { display: flex; gap: 10px; }

.social-btn {
  width: 40px; height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--muted);
  font-size: 1rem;
  transition: color 0.2s, border-color 0.2s, transform 0.2s;
}
.social-btn:hover { color: var(--sky); border-color: rgba(56, 189, 248, 0.4); transform: translateY(-3px); }

/* Contact form */
.contact-form { background: var(--bg-card); border: 1px solid var(--border); border-radius: 12px; padding: 30px; }

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.form-group { margin-bottom: 14px; }

.form-group label {
  display: block;
  margin-bottom: 6px;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--muted);
  letter-spacing: 0.01em;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 11px 16px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  font-family: 'Inter', sans-serif;
  font-size: 0.875rem;
  outline: none;
  transition: border-color 0.2s;
}
.form-group input:focus,
.form-group textarea:focus { border-color: rgba(56, 189, 248, 0.5); }

.form-group input::placeholder,
.form-group textarea::placeholder { color: var(--muted); }

.form-group textarea { resize: vertical; min-height: 110px; }

/* ========== FOOTER ========== */
.footer {
  background: #07090f;
  border-top: 1px solid var(--border);
  padding: 38px 24px 20px;
}

.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 22px;
  padding-bottom: 26px;
  border-bottom: 1px solid var(--border);
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--text);
  font-size: 1.05rem;
  font-weight: 700;
}
.footer-logo i { color: var(--sky); }

.footer-links { display: flex; gap: 22px; flex-wrap: wrap; }
.footer-links a { color: var(--muted); font-size: 0.85rem; transition: color 0.2s; }
.footer-links a:hover { color: var(--sky); }

.footer-socials { display: flex; gap: 14px; }
.footer-socials a {
  color: var(--muted);
  font-size: 1.05rem;
  transition: color 0.2s, transform 0.2s;
}
.footer-socials a:hover { color: var(--sky); transform: translateY(-2px); }

.footer-bottom { max-width: 1100px; margin: 18px auto 0; text-align: center; }
.footer-bottom p { font-size: 0.78rem; color: var(--muted); }

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

@media (max-width: 768px) {
  .nav-links   { display: none; }
  .hamburger   { display: block; }

  .hero-inner {
    flex-direction: column-reverse;
    text-align: center;
    gap: 36px;
    padding-top: 100px;
  }
  .hero-content { max-width: 100%; }
  .hero-badge,
  .hero-actions,
  .hero-socials { justify-content: center; }
  .hero-desc { margin-left: auto; margin-right: auto; }
  .image-wrapper { width: 220px; height: 220px; }

  .about-grid   { grid-template-columns: 1fr; }
  .about-stats  { grid-template-columns: repeat(2, 1fr); }
  .info-grid    { grid-template-columns: 1fr 1fr; }

  .skills-grid  { grid-template-columns: 1fr 1fr; }

  .projects-grid { grid-template-columns: 1fr; }

  .contact-grid { grid-template-columns: 1fr; }
  .form-row     { grid-template-columns: 1fr; }

  .footer-inner { flex-direction: column; align-items: center; text-align: center; }
  .footer-links { justify-content: center; }

  .timeline::before { left: 20px; }
}

@media (max-width: 480px) {
  .skills-grid { grid-template-columns: 1fr; }
  .about-stats { grid-template-columns: 1fr 1fr; }
  .info-grid   { grid-template-columns: 1fr; }
  .hero-actions { flex-direction: column; align-items: center; }
}