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

:root {
  --bg: #ffffff;
  --bg-alt: #f8f9fa;
  --text: #111318;
  --text-muted: #6b7280;
  --border: #e5e7eb;
  --card: #ffffff;
  --pill-bg: #f3f4f6;
  --primary: #111318;
  --primary-text: #ffffff;
  --accent-green: #16a34a;
  --accent-green-bg: #dcfce7;
  --accent-amber: #b45309;
  --accent-amber-bg: #fef3c7;
  --accent-purple-bg: #ede9fe;
  --accent-purple-text: #6d28d9;
  --shadow: 0 1px 3px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 4px 14px rgba(0, 0, 0, 0.08);
  --radius: 14px;
  --radius-sm: 8px;
  --maxw: 1200px;
}

[data-theme="dark"] {
  --bg: #0f1115;
  --bg-alt: #16181d;
  --text: #f4f4f5;
  --text-muted: #9ca3af;
  --border: #262a31;
  --card: #16181d;
  --pill-bg: #1f2229;
  --primary: #f4f4f5;
  --primary-text: #0f1115;
  --shadow: 0 1px 3px rgba(0, 0, 0, 0.4);
  --shadow-md: 0 4px 18px rgba(0, 0, 0, 0.5);
}

html {
  scroll-behavior: smooth;
}

body {
  font-family:
    "Inter",
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  transition:
    background 0.3s ease,
    color 0.3s ease;
}

a {
  text-decoration: none;
  color: inherit;
}
ul {
  list-style: none;
}
img {
  max-width: 100%;
  display: block;
}
button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--primary);
  color: var(--primary-text);
  padding: 10px 16px;
  z-index: 200;
  border-radius: 0 0 8px 0;
}
.skip-link:focus {
  left: 0;
}

.container {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 0px;
}
.container.narrow {
  max-width: 720px;
}
.center {
  text-align: center;
}

.section {
  padding: 80px 0;
}
.section-alt {
  background: var(--bg-alt);
}

.section-title {
  font-size: 2rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 48px;
  letter-spacing: -0.02em;
}
.section-title.center {
  justify-content: center;
}
.section-title i {
  color: var(--text-muted);
  font-size: 0.85em;
}

.section-subtitle {
  color: var(--text-muted);
  max-width: 560px;
  margin: 14px auto 48px;
  font-size: 1rem;
}

/* ===================== Buttons & Pills ===================== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 24px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.95rem;
  transition:
    transform 0.15s ease,
    opacity 0.15s ease,
    background 0.15s ease;
  white-space: nowrap;
}
.btn:hover {
  transform: translateY(-2px);
}
.btn-primary {
  background: var(--primary);
  color: var(--primary-text);
}
.btn-primary:hover {
  opacity: 0.88;
}
.btn-outline {
  background: transparent;
  color: var(--text);
  border: 1.5px solid var(--border);
}
.btn-outline:hover {
  background: var(--pill-bg);
}
.btn-sm {
  padding: 9px 16px;
  font-size: 0.85rem;
}
.btn-block {
  width: 100%;
  justify-content: center;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  border-radius: 999px;
  background: var(--pill-bg);
  border: 1px solid var(--border);
  font-size: 0.85rem;
  font-weight: 500;
}
.badge-plain {
  margin-bottom: 4px;
}

.pill {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 999px;
  margin-left: 10px;
  vertical-align: middle;
}
.pill-muted {
  background: var(--pill-bg);
  color: var(--text-muted);
  border: 1px solid var(--border);
}
.pill-dark {
  background: var(--primary);
  color: var(--primary-text);
}
.pill-purple {
  background: var(--accent-purple-bg);
  color: var(--accent-purple-text);
}

.dot-pulse {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent-green);
  display: inline-block;
  box-shadow: 0 0 0 0 rgba(22, 163, 74, 0.6);
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0% {
    box-shadow: 0 0 0 0 rgba(22, 163, 74, 0.5);
  }
  70% {
    box-shadow: 0 0 0 6px rgba(22, 163, 74, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(22, 163, 74, 0);
  }
}

/* ===================== Navbar ===================== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 16px 0px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.logo {
  font-size: 1.3rem;
  font-weight: 800;
  letter-spacing: -0.02em;
}
.nav-links {
  display: flex;
  gap: 32px;
}
.nav-link {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-muted);
  transition: color 0.2s;
}
.nav-link:hover,
.nav-link.active {
  color: var(--text);
}
.nav-right {
  display: flex;
  align-items: center;
  gap: 18px;
}
.icon-link {
  font-size: 1.1rem;
  color: var(--text-muted);
  transition: color 0.2s;
}
.icon-link:hover {
  color: var(--text);
}
.theme-toggle {
  font-size: 1.05rem;
}
.hamburger {
  display: none;
  font-size: 1.3rem;
}

@media (max-width: 860px) {
  .nav-links {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--bg);
    border-bottom: 1px solid var(--border);
    flex-direction: column;
    padding: 20px 24px;
    gap: 16px;
    display: none;
  }
  .nav-links.open {
    display: flex;
  }
  .hamburger {
    display: block;
  }
}

/* ===================== Hero ===================== */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 140px 24px 80px;
  position: relative;
}
.hero-inner {
  max-width: var(--maxw);
  margin: 0 auto;
  width: 100%;
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 80px;
  align-items: center;
}
.badge-dot {
  margin-bottom: 24px;
}
.hero-title {
  font-size: clamp(2.6rem, 4vw, 5rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: 10px;
}
.hero-subtitle {
  font-size: clamp(1.2rem, 2.5vw, 1.6rem);
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 22px;
  min-height: 1.6em;
}
.cursor {
  animation: blink 1s step-start infinite;
  font-weight: 300;
}
@keyframes blink {
  50% {
    opacity: 0;
  }
}
.hero-stack {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 14px;
  letter-spacing: 0.01em;
}
.hero-stack .dot-sep {
  color: var(--text-muted);
  margin: 0 8px;
  font-weight: 400;
}
.hero-desc {
  font-size: 1.05rem;
  color: var(--text-muted);
  max-width: 660px;
  margin-bottom: 24px;
}
.hero-desc strong {
  color: var(--text);
  font-weight: 600;
}
.hero-meta {
  display: flex;
  gap: 24px;
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 32px;
  flex-wrap: wrap;
}
.hero-meta i {
  margin-right: 6px;
}
.hero-actions {
  display: flex;
  gap: 14px;
  margin-bottom: 32px;
  flex-wrap: wrap;
}
.hero-socials {
  display: flex;
  gap: 20px;
  font-size: 1.2rem;
}
.hero-socials a {
  color: var(--text-muted);
  transition: color 0.2s;
}
.hero-socials a:hover {
  color: var(--text);
}

.hero-visual {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  height: 340px;
}
.avatar-ring {
  position: relative;
}
.avatar-circle {
  width: 400px;
  height: 400px;
  border-radius: 50%;
  background: linear-gradient(145deg, var(--bg-alt), var(--border));
  border: 6px solid var(--card);
  box-shadow:
    var(--shadow-md),
    inset 0 0 0 1px var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.avatar-photo {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
  border-radius: 50%;
  display: block;
}
.avatar-initials {
  font-size: 3.4rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--text);
}
.status-dot {
  position: absolute;
  bottom: 50px;
  right: 50px;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--accent-green);
  border: 4px solid var(--bg);
}
.floating-badge {
  position: absolute;
  z-index: 2;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--card);
  border: 1px solid var(--border);
  padding: 8px 14px;
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 600;
  box-shadow: var(--shadow);
  white-space: nowrap;
}
.badge-top {
  top: -14px;
  right: -10px;
}
.badge-bottom {
  bottom: -10px;
  left: 20px;
}

.scroll-cue {
  position: absolute;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  color: var(--text-muted);
  animation: bounce 2s infinite;
}
@keyframes bounce {
  0%,
  100% {
    transform: translate(-50%, 0);
  }
  50% {
    transform: translate(-50%, 8px);
  }
}

@media (max-width: 900px) {
  .hero-inner {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .hero-meta,
  .hero-actions {
    justify-content: center;
  }
  .hero-socials {
    justify-content: center;
  }
  .hero-desc {
    margin-left: auto;
    margin-right: auto;
  }
  .hero-visual {
    margin-top: 20px;
    height: 280px;
  }
  .avatar-circle {
    width: 240px;
    height: 240px;
  }
}

/* ===================== Experience ===================== */
.timeline {
  display: flex;
  flex-direction: column;
  gap: 32px;
}
.exp-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  box-shadow: var(--shadow);
}
.exp-head {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
  /* margin-bottom: 24px; */
}
.exp-head h3 {
  font-size: 1.25rem;
  font-weight: 700;
}
.exp-company {
  color: var(--text-muted);
  font-weight: 500;
  margin-top: 4px;
  max-width: 550px;
}
.exp-dates {
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-size: 0.88rem;
  color: var(--text-muted);
  text-align: right;
}
.exp-dates i {
  margin-right: 6px;
}

.exp-body {
  display: grid;
  grid-template-columns: 3fr 1fr;
  gap: 32px;
  margin-bottom: 24px;
}

.exp-body-full {
  grid-template-columns: 1fr;
}

.exp-responsibilities h4,
.exp-impact h4,
.exp-tech h4,
.key-features h4 {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-muted);
  margin-bottom: 12px;
  font-weight: 700;
}
.exp-responsibilities ul {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.exp-responsibilities li {
  position: relative;
  padding-left: 18px;
  font-size: 0.94rem;
}
.exp-responsibilities li::before {
  content: "•";
  position: absolute;
  left: 0;
  color: var(--text-muted);
}

.exp-impact ul {
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.exp-impact li {
  display: flex;
  flex-direction: column;
  gap: 2px;
  font-size: 0.88rem;
}
.exp-impact li span {
  color: var(--text-muted);
}
.exp-impact li strong {
  font-weight: 700;
}
.exp-impact li strong i {
  color: var(--accent-green);
  margin-right: 4px;
}

.tech-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.tech-tags span {
  background: var(--pill-bg);
  border: 1px solid var(--border);
  padding: 5px 12px;
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--text-muted);
}

@media (max-width: 760px) {
  .exp-body {
    grid-template-columns: 1fr;
  }
  .exp-head {
    flex-direction: column;
  }
  .exp-dates {
    text-align: left;
  }
}

/* ===================== Education ===================== */
#education .section-title {
  margin-bottom: 14px;
}
.section-underline {
  width: 56px;
  height: 4px;
  border-radius: 4px;
  background: linear-gradient(90deg, #22c55e, #3b82f6);
  margin-bottom: 40px;
}
.education-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.edu-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: var(--shadow);
}
.edu-card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 10px;
}
.edu-card .edu-meta {
  color: var(--text-muted);
  font-size: 0.88rem;
  margin-bottom: 14px;
}
.edu-card .edu-desc {
  color: var(--text-muted);
  font-size: 0.92rem;
  line-height: 1.6;
}

@media (max-width: 900px) {
  .education-grid {
    grid-template-columns: 1fr;
  }
}

/* ===================== GitHub Activity ===================== */
.github-status {
  margin-bottom: 28px;
  color: var(--text-muted);
}

/* ===================== Skills ===================== */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin-bottom: 56px;
}
.skill-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: var(--shadow);
}
.skill-card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 6px;
}
.skill-card h3 i {
  color: var(--text-muted);
}
.skill-desc {
  color: var(--text-muted);
  font-size: 0.88rem;
  margin-bottom: 20px;
}
.skill-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
.skill-item {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  font-size: 0.88rem;
  font-weight: 500;
}
.skill-item i {
  color: var(--text-muted);
  font-size: 1rem;
}

@media (max-width: 640px) {
  .skills-grid {
    grid-template-columns: 1fr;
  }
  .skill-list {
    grid-template-columns: 1fr;
  }
}

.expertise-bar {
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 40px;
  text-align: center;
}
.expertise-title {
  font-size: 1.1rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  margin-bottom: 28px;
}
.expertise-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.stat {
  display: flex;
  flex-direction: column;
  align-items: center;
}
.stat-num,
.stat-suffix {
  font-size: 2.2rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  display: inline;
}
.stat-label {
  color: var(--text-muted);
  font-size: 0.85rem;
  margin-top: 6px;
}

/* ===================== About ===================== */
.about-content {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: 48px;
  align-items: center;
}
.about-text {
  font-size: 1.05rem;
  line-height: 1.75;
  color: var(--text-muted);
}
.about-text strong {
  color: var(--text);
  font-weight: 600;
}
.about-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}
.about-stat-card {
  background: #f8f9fa;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px 20px;
  box-shadow: var(--shadow);
  text-align: left;
}
.about-stat-card .stat-num,
.about-stat-card .stat-suffix {
  font-size: 2rem;
  color: #22c55e;
}
.about-stat-card .stat-label {
  color: #9ca3af;
  margin-top: 8px;
}

@media (max-width: 860px) {
  .about-content {
    grid-template-columns: 1fr;
  }
}
@media (max-width: 480px) {
  .about-stats {
    grid-template-columns: 1fr;
  }
}
[data-theme="dark"] .about-stat-card {
  background: #1c1f26;
  border: 1px solid rgba(255, 255, 255, 0.08);
}

@media (max-width: 640px) {
  .expertise-stats {
    grid-template-columns: repeat(2, 1fr);
    gap: 28px;
  }
}

/* ===================== Projects ===================== */
.filter-tabs {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-bottom: 40px;
  flex-wrap: wrap;
}
.filter-tab {
  padding: 10px 20px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.88rem;
  border: 1px solid var(--border);
  background: var(--card);
  color: var(--text-muted);
  transition: all 0.2s ease;
}
.filter-tab:hover {
  color: var(--text);
}
.filter-tab.active {
  background: var(--primary);
  color: var(--primary-text);
  border-color: var(--primary);
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.projects-grid-2 {
  grid-template-columns: repeat(2, 1fr);
  max-width: 900px;
  margin: 0 auto;
}
.project-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  transition:
    transform 0.2s ease,
    box-shadow 0.2s ease;
}
.project-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}
.project-card.hidden {
  display: none;
}

.project-thumb {
  position: relative;
  height: 250px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255, 255, 255, 0.85);
}
.thumb-1 {
  background: linear-gradient(135deg, #1f2937, #111827);
}
.thumb-2 {
  background: linear-gradient(135deg, #312e81, #1e1b4b);
}
.thumb-3 {
  background: linear-gradient(135deg, #0f766e, #134e4a);
}
.thumb-2::after {
  content: "\f4ad";
  font-family: "Font Awesome 6 Brands";
  font-weight: 900;
  font-size: 3.4rem;
  opacity: 0.25;
}
.thumb-3::after {
  content: "\f201";
  font-family: "Font Awesome 6 Free";
  font-weight: 900;
  font-size: 3.4rem;
  opacity: 0.25;
}
.project-thumb-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.thumb-badge {
  position: absolute;
  top: 12px;
  left: 12px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(0, 0, 0, 0.55);
  padding: 5px 10px;
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 700;
  color: #fff;
}
.dot-live {
  background: #22c55e;
}
.thumb-badge.badge-done {
  background: rgba(0, 0, 0, 0.55);
}
.thumb-tag {
  position: absolute;
  bottom: 12px;
  left: 12px;
  background: rgba(255, 255, 255, 0.15);
  border: 1px solid rgba(255, 255, 255, 0.3);
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 600;
  color: #fff;
  backdrop-filter: blur(4px);
}
.thumb-stat {
  position: absolute;
  top: 12px;
  right: 12px;
  background: rgba(0, 0, 0, 0.55);
  padding: 5px 10px;
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 700;
  color: #fff;
}

.project-body {
  padding: 22px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  flex: 1;
}
.project-body h3 {
  font-size: 1.1rem;
  font-weight: 700;
}
.project-body > p {
  color: var(--text-muted);
  font-size: 0.9rem;
}
.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.project-tags span {
  background: var(--pill-bg);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 4px 10px;
  font-size: 0.74rem;
  font-weight: 600;
  color: var(--text-muted);
}
.more-tag {
  background: transparent !important;
  border: none !important;
}
.key-features ul {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-top: 4px;
}
.key-features li {
  font-size: 0.84rem;
  position: relative;
  padding-left: 14px;
  color: var(--text-muted);
}
.key-features li::before {
  content: "•";
  position: absolute;
  left: 0;
}
.more-features {
  color: var(--text);
  font-weight: 600;
}

.project-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: auto;
  padding-top: 14px;
  border-top: 1px solid var(--border);
  flex-wrap: wrap;
  gap: 12px;
}
.project-stats {
  display: flex;
  gap: 14px;
  font-size: 0.8rem;
  color: var(--text-muted);
}
.project-stats i {
  margin-right: 4px;
}
.project-actions {
  display: flex;
  gap: 8px;
  margin-left: auto;
}

@media (max-width: 980px) {
  .projects-grid {
    grid-template-columns: 1fr 1fr;
  }
}
@media (max-width: 640px) {
  .projects-grid {
    grid-template-columns: 1fr;
  }
}

/* ===================== Certifications ===================== */
.certs-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin: 48px 0 56px;
}
.cert-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
}
.cert-image {
  position: relative;
  height: 190px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}
.cert-image-1 {
  background: linear-gradient(135deg, #eef2ff, #e0e7ff);
}
.cert-image-2 {
  background: linear-gradient(135deg, #ecfeff, #cffafe);
}
.cert-image-3 {
  background: linear-gradient(135deg, #fff7ed, #ffedd5);
}
.cert-tag {
  position: absolute;
  top: 12px;
  left: 12px;
  background: rgba(0, 0, 0, 0.65);
  color: #fff;
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 0.68rem;
  font-weight: 700;
}
.cert-status {
  position: absolute;
  top: 12px;
  right: 12px;
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 0.68rem;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}
.cert-status.verified {
  background: var(--accent-green-bg);
  color: var(--accent-green);
}
.cert-status.pending {
  background: var(--accent-amber-bg);
  color: var(--accent-amber);
}

.cert-mock {
  background: #fff;
  border: 2px solid #d4d4d8;
  border-radius: 8px;
  padding: 18px 22px;
  text-align: center;
  width: 100%;
  max-width: 260px;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.08);
  font-family: Georgia, serif;
  color: #27272a;
}
.cert-mock-title {
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 6px;
}
.cert-mock-name {
  font-size: 1.15rem;
  font-weight: 700;
  font-style: italic;
  margin-bottom: 4px;
}
.cert-mock-sub {
  font-size: 0.68rem;
  color: #71717a;
}
.cert-seal {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: #fef3c7;
  color: #b45309;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 10px auto 0;
  font-size: 1.2rem;
}
.seal-blue {
  background: #dbeafe;
  color: #1d4ed8;
}
.seal-orange {
  background: #ffedd5;
  color: #c2410c;
  width: 60px;
  height: 60px;
  font-size: 1.6rem;
}

.cert-body {
  padding: 22px;
}
.cert-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 8px;
  gap: 8px;
}
.cert-head h3 {
  font-size: 1.05rem;
  font-weight: 700;
}
.cert-org {
  color: var(--text-muted);
  font-size: 0.88rem;
  margin-bottom: 4px;
}
.cert-meta {
  color: var(--text-muted);
  font-size: 0.82rem;
  margin-bottom: 16px;
}
.cert-body h4 {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-muted);
  margin-bottom: 10px;
  font-weight: 700;
}
.cert-body .tech-tags {
  margin-bottom: 16px;
}
.cred-id {
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-bottom: 14px;
  line-height: 1.5;
}
.cred-id strong {
  color: var(--text);
}
.cert-link {
  font-size: 0.88rem;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.cert-link:hover {
  text-decoration: underline;
}

@media (max-width: 980px) {
  .certs-grid {
    grid-template-columns: 1fr 1fr;
  }
}
@media (max-width: 640px) {
  .certs-grid {
    grid-template-columns: 1fr;
  }
}

/* ===================== Contact ===================== */
.contact-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px;
  box-shadow: var(--shadow);
}
.contact-card h3 {
  font-size: 1.2rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 24px;
}
#contactForm {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
#contactForm label {
  font-size: 0.85rem;
  font-weight: 600;
  margin-top: 14px;
  display: flex;
  align-items: center;
  gap: 6px;
  color: var(--text-muted);
}
#contactForm input,
#contactForm textarea {
  padding: 12px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--bg-alt);
  color: var(--text);
  font-family: inherit;
  font-size: 0.95rem;
  resize: vertical;
}
#contactForm input:focus,
#contactForm textarea:focus {
  outline: 2px solid var(--text);
  outline-offset: 1px;
}
#contactForm button {
  margin-top: 22px;
}
.form-status {
  margin-top: 12px;
  font-size: 0.88rem;
  color: var(--accent-green);
  min-height: 1.2em;
  text-align: center;
}

/* ===================== Footer ===================== */
.footer {
  border-top: 1px solid var(--border);
  padding: 40px 0;
}
.footer-inner {
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: 8px;
  align-items: center;
}
.footer p {
  color: var(--text-muted);
  font-size: 0.88rem;
}
.footer-links a:hover {
  text-decoration: underline;
}
.footer-socials {
  display: flex;
  gap: 18px;
  margin-top: 12px;
  font-size: 1.15rem;
}
.footer-socials a {
  color: var(--text-muted);
}
.footer-socials a:hover {
  color: var(--text);
}

/* ===================== Back to top ===================== */
.back-to-top {
  position: fixed;
  bottom: 28px;
  right: 28px;
  z-index: 90;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: var(--primary);
  color: var(--primary-text);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-md);
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: all 0.25s ease;
}
.back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

/* ===================== Scroll Reveal (content loads in as you scroll) ===================== */
.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition:
    opacity 0.7s ease,
    transform 0.7s ease;
  will-change: opacity, transform;
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}
/* Stagger children of grids so cards load in one after another */
.reveal-group > * {
  opacity: 0;
  transform: translateY(28px);
  transition:
    opacity 0.6s ease,
    transform 0.6s ease;
}
.reveal-group.is-visible > * {
  opacity: 1;
  transform: translateY(0);
}
.reveal-group.is-visible > *:nth-child(1) {
  transition-delay: 0s;
}
.reveal-group.is-visible > *:nth-child(2) {
  transition-delay: 0.12s;
}
.reveal-group.is-visible > *:nth-child(3) {
  transition-delay: 0.24s;
}
.reveal-group.is-visible > *:nth-child(4) {
  transition-delay: 0.36s;
}

/* ===================== Reduced motion ===================== */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
  .reveal,
  .reveal-group > * {
    opacity: 1 !important;
    transform: none !important;
  }
}

/* ===================== Focus visibility ===================== */
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible {
  outline: 2px solid var(--text);
  outline-offset: 2px;
}

/* ===================== Mobile Spacing Fix ===================== */
@media (max-width: 768px) {
  .navbar {
    padding-left: 16px !important;
    padding-right: 16px !important;
  }

  /* Main sections */
  section {
    padding-left: 16px !important;
    padding-right: 16px !important;
  }

  /* Common containers */
  .container,
  .nav-container,
  .about-container,
  .section-container {
    width: 100%;
    padding-left: 16px !important;
    padding-right: 16px !important;
    box-sizing: border-box;
  }

  /* Prevent cards/content from touching screen edges */
  .about-content,
  .skills-grid,
  .projects-grid,
  .experience-grid,
  .stats-grid {
    width: 100%;
    box-sizing: border-box;
  }
}

@media (max-width: 480px) {
  section {
    padding-left: 16px !important;
    padding-right: 16px !important;
  }

  .container,
  .about-container,
  .section-container {
    padding-left: 16px !important;
    padding-right: 16px !important;
  }
}