:root {
  --primary: #667eea;
  --secondary: #764ba2;
  --accent: #f093fb;
  --success: #4facfe;
  --warning: #f8d800;
  --dark: #0f0f23;
  --dark-secondary: #16213e;
  --light: #ffffff;
  --text-primary: #e2e8f0;
  --text-secondary: #94a3b8;
  --glass-bg: rgba(15, 23, 42, 0.75);
  --glass-border: rgba(148, 163, 184, 0.35);
  --shadow-light: rgba(255, 255, 255, 0.08);
  --shadow-dark: rgba(15, 23, 42, 0.75);
}

/* LIGHT THEME OVERRIDES */
:root.light-theme {
  --dark: #f3f4f6;
  --dark-secondary: #ffffff;
  --text-primary: #111827;
  --text-secondary: #6b7280;
  --glass-bg: rgba(255, 255, 255, 0.9);
  --glass-border: rgba(15, 23, 42, 0.1);
}

:root.light-theme body {
  background: linear-gradient(135deg, #e5e7eb 0%, #f9fafb 50%, #e0f2fe 100%);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: "Inter", system-ui, -apple-system, BlinkMacSystemFont,
    "Segoe UI", sans-serif;
  background: linear-gradient(
    135deg,
    var(--dark) 0%,
    var(--dark-secondary) 50%,
    #2d1b69 100%
  );
  color: var(--text-primary);
  min-height: 100vh;
  overflow-x: hidden;
}

/* Background animation */
.bg-animation {
  position: fixed;
  inset: 0;
  z-index: -2;
  opacity: 0.5;
}

.floating-shapes {
  position: absolute;
  inset: 0;
}

.shape {
  position: absolute;
  border-radius: 50%;
  background: radial-gradient(circle at 30% 30%, #f093fb, #667eea);
  opacity: 0.16;
  animation: float 20s linear infinite;
}

.shape:nth-child(1) {
  width: 120px;
  height: 120px;
  top: 15%;
  left: 10%;
}

.shape:nth-child(2) {
  width: 180px;
  height: 180px;
  top: 65%;
  right: 5%;
  animation-delay: 5s;
}

.shape:nth-child(3) {
  width: 90px;
  height: 90px;
  top: 75%;
  left: 20%;
  animation-delay: 10s;
}

.shape:nth-child(4) {
  width: 140px;
  height: 140px;
  top: 5%;
  right: 25%;
  animation-delay: 15s;
}

@keyframes float {
  0% {
    transform: translateY(0) rotate(0deg);
  }
  33% {
    transform: translateY(-30px) rotate(120deg);
  }
  66% {
    transform: translateY(15px) rotate(240deg);
  }
  100% {
    transform: translateY(0) rotate(360deg);
  }
}

/* Loader */
.loader {
  position: fixed;
  inset: 0;
  background: var(--dark);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  transition: opacity 0.5s ease;
}

.loader-content {
  text-align: center;
}

.loader-spinner {
  width: 60px;
  height: 60px;
  border: 3px solid transparent;
  border-top: 3px solid var(--primary);
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin: 0 auto 20px;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

/* Header */
.header {
  position: fixed;
  inset-inline: 0;
  top: 0;
  z-index: 50;
  padding: 18px 0;
  background: rgba(15, 23, 42, 0.8);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--glass-border);
  transition: all 0.3s ease;
}

.header.scrolled {
  padding: 12px 0;
  background: rgba(15, 23, 42, 0.95);
}

.nav {
  max-width: 1200px;
  margin: 0 auto;
  padding-inline: 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.logo {
  font-family: "Playfair Display", serif;
  font-weight: 700;
  font-size: 1.6rem;
  background: linear-gradient(45deg, var(--primary), var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  cursor: default;
  transition: transform 0.3s ease;
}

.logo:hover {
  transform: translateY(-1px) scale(1.02);
}

.nav-menu {
  list-style: none;
  display: flex;
  align-items: center;
  gap: 24px;
}

.nav-link {
  position: relative;
  text-decoration: none;
  font-size: 0.95rem;
  color: var(--text-secondary);
  font-weight: 500;
  padding-block: 4px;
  transition: color 0.25s ease;
}

.nav-link::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: -4px;
  transform: translateX(-50%);
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  border-radius: 999px;
  transition: width 0.25s ease;
}

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

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

.theme-toggle {
  margin-left: 10px;
  background: var(--glass-bg);
  border-radius: 999px;
  border: 1px solid var(--glass-border);
  padding: 7px 11px;
  cursor: pointer;
  font-size: 1rem;
  color: var(--text-primary);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  backdrop-filter: blur(10px);
  transition: all 0.3s ease;
}

.theme-toggle:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 25px var(--shadow-dark);
}

.mobile-menu-btn {
  display: none;
  background: none;
  color: var(--text-primary);
  border: none;
  font-size: 1.6rem;
  cursor: pointer;
}

/* Main */
.main {
  padding-top: 96px;
}

/* Hero */
.hero {
  min-height: calc(100vh - 96px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px 20px 60px;
  position: relative;
}

.hero-content {
  max-width: 820px;
  text-align: center;
  position: relative;
  z-index: 1;
}

.hero-kicker {
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--text-secondary);
  margin-bottom: 10px;
}

.hero-title {
  font-family: "Playfair Display", serif;
  font-size: clamp(2.9rem, 6vw, 4.5rem);
  background: linear-gradient(
    120deg,
    var(--primary),
    var(--accent),
    var(--success)
  );
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 12px;
}

.hero-subtitle {
  font-size: 1.1rem;
  color: var(--text-secondary);
  margin-bottom: 22px;
  min-height: 1.4em;
}

.hero-description {
  font-size: 0.98rem;
  line-height: 1.7;
  color: var(--text-secondary);
  margin-bottom: 28px;
}

.hero-meta {
  margin-top: 10px;
  font-size: 0.9rem;
  color: var(--text-secondary);
}

/* Buttons */
.cta-buttons {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 14px;
}

.btn {
  padding: 13px 26px;
  border-radius: 999px;
  border: none;
  font-size: 0.95rem;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  text-decoration: none;
  transition: transform 0.2s ease, box-shadow 0.2s ease,
    background 0.2s ease, color 0.2s ease;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: #fff;
  box-shadow: 0 14px 30px rgba(102, 126, 234, 0.45);
}

.btn-secondary {
  background: var(--glass-bg);
  color: var(--text-primary);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(10px);
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 35px rgba(102, 126, 234, 0.55);
}

/* Sections */
.section {
  padding: 80px 20px;
  max-width: 1200px;
  margin: 0 auto;
  position: relative;
}

.section-title {
  font-family: "Playfair Display", serif;
  font-size: clamp(2rem, 4vw, 3rem);
  text-align: center;
  margin-bottom: 50px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  position: relative;
}

.section-title::after {
  content: "";
  position: absolute;
  bottom: -12px;
  left: 50%;
  transform: translateX(-50%);
  width: 110px;
  height: 3px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
}

/* About */
.about-container {
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr);
  gap: 40px;
  align-items: center;
}

.about-text p {
  color: var(--text-secondary);
  line-height: 1.8;
  font-size: 0.98rem;
  margin-bottom: 16px;
}

.about-image {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}

.profile-ring {
  padding: 4px;
  border-radius: 999px;
  background: conic-gradient(
    from 180deg,
    var(--primary),
    var(--accent),
    var(--success),
    var(--primary)
  );
}

.profile-image {
  width: 260px;
  height: 260px;
  border-radius: 50%;
  object-fit: cover;
  display: block;
  border: 4px solid #020617;
  box-shadow: 0 22px 50px rgba(15, 23, 42, 0.65);
  animation: floatImage 6s ease-in-out infinite;
}

@keyframes floatImage {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-14px);
  }
}

.about-pill {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  font-size: 0.8rem;
}

.about-pill span {
  padding: 6px 12px;
  border-radius: 999px;
  border: 1px solid var(--glass-border);
  background: rgba(15, 23, 42, 0.6);
}

/* Glass card */
.glass-card {
  background: var(--glass-bg);
  border-radius: 18px;
  border: 1px solid var(--glass-border);
  padding: 24px 22px;
  box-shadow: 0 18px 45px var(--shadow-dark);
  backdrop-filter: blur(22px);
  position: relative;
  overflow: hidden;
}

.glass-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    120deg,
    transparent,
    rgba(255, 255, 255, 0.08),
    transparent
  );
  transform: translateX(-100%);
  transition: transform 0.7s ease;
}

.glass-card:hover::before {
  transform: translateX(100%);
}

/* Skills */
.skills-container {
  max-width: 1000px;
  margin: 0 auto 40px;
}

.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 20px;
}

.skill-card {
  background: var(--glass-bg);
  border-radius: 16px;
  border: 1px solid var(--glass-border);
  padding: 18px 18px 16px;
  box-shadow: 0 16px 40px rgba(15, 23, 42, 0.6);
  backdrop-filter: blur(20px);
  position: relative;
  overflow: hidden;
}

.skill-card h3 {
  font-size: 1rem;
  margin-bottom: 10px;
  color: var(--accent);
}

.skill-pill-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.skill-pill {
  font-size: 0.8rem;
  padding: 5px 11px;
  border-radius: 999px;
  border: 1px solid rgba(148, 163, 184, 0.4);
  background: rgba(15, 23, 42, 0.65);
}

.research-interests {
  margin-top: 40px;
}

.research-interests h3 {
  font-size: 1.1rem;
  margin-bottom: 8px;
  color: var(--accent);
}

.research-interests p {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* Projects */
.projects-filters {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 24px;
}

.filter-chip {
  border-radius: 999px;
  border: 1px solid var(--glass-border);
  padding: 7px 14px;
  background: rgba(15, 23, 42, 0.5);
  color: var(--text-secondary);
  font-size: 0.85rem;
  cursor: pointer;
  transition: all 0.2s ease;
}

.filter-chip.active {
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: #fff;
  border-color: transparent;
}

.filter-chip:hover {
  transform: translateY(-1px);
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px;
}

.project-card {
  background: var(--glass-bg);
  border-radius: 18px;
  border: 1px solid var(--glass-border);
  padding: 20px 18px;
  box-shadow: 0 16px 40px rgba(15, 23, 42, 0.6);
  position: relative;
  overflow: hidden;
}

.project-badge-row {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 10px;
}

.project-badge {
  font-size: 0.7rem;
  padding: 4px 10px;
  border-radius: 999px;
  background: rgba(15, 23, 42, 0.75);
  border: 1px solid rgba(148, 163, 184, 0.5);
}

.project-title {
  font-size: 1rem;
  margin-bottom: 8px;
  color: var(--text-primary);
}

.project-desc {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 14px;
}

.project-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 12px;
  font-size: 0.8rem;
  color: var(--text-secondary);
}

.project-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.project-link-btn {
  font-size: 0.8rem;
  padding: 7px 14px;
  border-radius: 999px;
  border: 1px solid var(--glass-border);
  text-decoration: none;
  color: var(--text-primary);
  background: rgba(15, 23, 42, 0.8);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: all 0.2s ease;
}

.project-link-btn:hover {
  border-color: var(--accent);
  transform: translateY(-1px);
}

/* Experience */
.experience-categories {
  max-width: 1000px;
  margin: 0 auto;
}

.experience-category {
  margin-bottom: 40px;
}

.experience-category h3 {
  font-size: 1.4rem;
  margin-bottom: 16px;
  color: var(--accent);
}

.experience-grid {
  display: grid;
  gap: 18px;
}

.experience-item {
  background: var(--glass-bg);
  border-radius: 16px;
  border: 1px solid var(--glass-border);
  padding: 18px 18px 16px;
  position: relative;
  overflow: hidden;
}

.experience-header {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 6px;
}

.experience-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
}

.experience-org {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.experience-date {
  font-size: 0.78rem;
  border-radius: 999px;
  padding: 4px 10px;
  border: 1px solid rgba(79, 172, 254, 0.4);
  background: rgba(15, 23, 42, 0.7);
  color: var(--success);
}

.experience-description {
  margin-top: 6px;
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* Education */
.education-timeline {
  max-width: 900px;
  margin: 0 auto;
  position: relative;
}

.education-timeline::before {
  content: "";
  position: absolute;
  left: 10px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(
    to bottom,
    var(--primary),
    var(--accent),
    var(--success)
  );
  opacity: 0.6;
}

.edu-item {
  position: relative;
  margin-left: 36px;
  margin-bottom: 26px;
  padding-left: 10px;
}

.edu-dot {
  position: absolute;
  left: -23px;
  top: 6px;
  width: 14px;
  height: 14px;
  border-radius: 999px;
  background: radial-gradient(circle, var(--accent), var(--primary));
  box-shadow: 0 0 0 4px rgba(102, 126, 234, 0.3);
}

.edu-card {
  background: var(--glass-bg);
  border-radius: 14px;
  border: 1px solid var(--glass-border);
  padding: 14px 14px 12px;
}

.edu-degree {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 4px;
}

.edu-inst {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-bottom: 4px;
}

.edu-meta {
  font-size: 0.8rem;
  color: var(--text-secondary);
}

/* Contact */
.contact-heading {
  margin-bottom: 20px;
  text-align: center;
  font-size: 1.3rem;
  color: var(--accent);
}

.contact-container {
  max-width: 1000px;
  margin: 0 auto;
}

.contact-methods {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 16px;
  margin-bottom: 28px;
}

.contact-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 14px;
  border-radius: 14px;
  border: 1px solid var(--glass-border);
  background: rgba(15, 23, 42, 0.55);
  cursor: pointer;
  transition: all 0.25s ease;
}

.contact-item:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 30px rgba(15, 23, 42, 0.8);
}

.contact-icon {
  width: 46px;
  height: 46px;
  border-radius: 16px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  display: flex;
  align-items: center;
  justify-content: center;
}

.contact-details h4 {
  font-size: 0.95rem;
  margin-bottom: 2px;
}

.contact-details p {
  font-size: 0.8rem;
  color: var(--text-secondary);
}

.contact-details a {
  color: var(--accent);
  font-size: 0.86rem;
  text-decoration: none;
}

.social-links-section {
  margin-top: 10px;
}

.social-links-title {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--accent);
  text-align: center;
  margin-bottom: 18px;
}

.social-links {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap: 14px;
}

.social-link {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 12px;
  background: var(--glass-bg);
  border-radius: 14px;
  border: 1px solid var(--glass-border);
  text-decoration: none;
  color: var(--text-primary);
  position: relative;
  overflow: hidden;
  transition: all 0.25s ease;
}

.social-link:hover {
  transform: translateY(-3px);
  box-shadow: 0 14px 35px rgba(15, 23, 42, 0.85);
  border-color: var(--accent);
}

.social-icon {
  width: 36px;
  height: 36px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  font-size: 1.1rem;
}

.social-details h4 {
  font-size: 0.9rem;
  margin-bottom: 2px;
}

.social-details p {
  font-size: 0.78rem;
  color: var(--text-secondary);
}

.quick-actions {
  margin-top: 20px;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
}

.quick-action-btn {
  padding: 9px 18px;
  border-radius: 999px;
  border: none;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: #fff;
  font-size: 0.85rem;
  font-weight: 600;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  box-shadow: 0 12px 26px rgba(102, 126, 234, 0.45);
  transition: all 0.25s ease;
}

.quick-action-btn:hover {
  transform: translateY(-2px) scale(1.02);
}

/* Contact form */
.contact-divider {
  margin: 26px 0 18px;
  border-color: var(--glass-border);
}

.contact-form {
  margin-top: 10px;
}

.form-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 5px;
  margin-bottom: 14px;
}

.form-group label {
  font-size: 0.8rem;
  color: var(--text-secondary);
}

.form-group input,
.form-group textarea {
  padding: 9px 11px;
  border-radius: 10px;
  border: 1px solid var(--glass-border);
  background: rgba(15, 23, 42, 0.75);
  color: var(--text-primary);
  font-size: 0.9rem;
  outline: none;
  transition: all 0.2s ease;
}

:root.light-theme .form-group input,
:root.light-theme .form-group textarea {
  background: rgba(255, 255, 255, 0.9);
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 1px var(--accent);
}

.contact-submit-btn {
  margin-top: 8px;
}

.form-status {
  margin-top: 8px;
  min-height: 18px;
  font-size: 0.8rem;
}

.form-status.success {
  color: #4ade80;
}

.form-status.error {
  color: #fb7185;
}

/* Scroll top */
.scroll-top {
  position: fixed;
  bottom: 28px;
  right: 24px;
  width: 46px;
  height: 46px;
  border-radius: 999px;
  border: none;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: #fff;
  font-size: 1.1rem;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition: all 0.25s ease;
  z-index: 40;
}

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

.scroll-top:hover {
  transform: translateY(-3px);
}

/* Footer */
.footer {
  padding: 30px 20px 40px;
  text-align: center;
  font-size: 0.85rem;
  color: var(--text-secondary);
  border-top: 1px solid var(--glass-border);
  margin-top: 20px;
}

/* Animations */
.animate-on-scroll {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.75s ease, transform 0.75s ease;
}

.animate-on-scroll.animate {
  opacity: 1;
  transform: translateY(0);
}

/* Responsive */
@media (max-width: 900px) {
  .about-container {
    grid-template-columns: minmax(0, 1fr);
    text-align: left;
  }
}

@media (max-width: 768px) {
  .nav-menu {
    position: fixed;
    inset-inline: 0;
    top: 64px;
    flex-direction: column;
    background: rgba(15, 23, 42, 0.98);
    padding: 18px 20px 20px;
    transform: translateY(-120%);
    transition: transform 0.3s ease;
    border-top: 1px solid var(--glass-border);
  }

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

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

  .theme-toggle {
    display: none;
  }

  .about-container {
    gap: 30px;
  }

  .hero {
    padding-top: 30px;
  }

  .section {
    padding-inline: 18px;
  }

  .form-row {
    grid-template-columns: minmax(0, 1fr);
  }

  .education-timeline::before {
    left: 8px;
  }

  .edu-item {
    margin-left: 32px;
  }

  .edu-dot {
    left: -21px;
  }
}

/* Social platform shadows */
.social-link[data-platform="email"]:hover {
  box-shadow: 0 16px 32px rgba(234, 67, 53, 0.4);
}
.social-link[data-platform="whatsapp"]:hover {
  box-shadow: 0 16px 32px rgba(37, 211, 102, 0.45);
}
.social-link[data-platform="linkedin"]:hover {
  box-shadow: 0 16px 32px rgba(0, 119, 181, 0.5);
}
.social-link[data-platform="github"]:hover {
  box-shadow: 0 16px 32px rgba(55, 65, 81, 0.6);
}
.social-link[data-platform="facebook"]:hover {
  box-shadow: 0 16px 32px rgba(24, 119, 242, 0.5);
}
.social-link[data-platform="instagram"]:hover {
  box-shadow: 0 16px 32px rgba(228, 64, 95, 0.5);
}
.social-link[data-platform="twitter"]:hover {
  box-shadow: 0 16px 32px rgba(29, 161, 242, 0.5);
}

/* ================================
   ❤️ CERTIFICATIONS SECTION (NEW)
   ================================ */
.certifications-container {
  max-width: 800px;
  margin: 0 auto;
}

.cert-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.cert-list li {
  padding: 14px 16px;
  border-radius: 14px;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  box-shadow: 0 12px 28px rgba(15, 23, 42, 0.6);
  backdrop-filter: blur(18px);
  color: var(--text-primary);
  font-size: 0.97rem;
  line-height: 1.6;
  position: relative;
  overflow: hidden;
  transition: all 0.3s ease;
}

/* Hover shimmer */
.cert-list li::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    120deg,
    transparent,
    rgba(255, 255, 255, 0.07),
    transparent
  );
  transform: translateX(-100%);
  transition: transform 0.6s ease;
}

.cert-list li:hover::before {
  transform: translateX(100%);
}

.cert-list li:hover {
  transform: translateY(-3px);
  box-shadow: 0 16px 35px rgba(15, 23, 42, 0.8);
  border-color: var(--accent);
}

.cert-list strong {
  color: var(--accent);
  font-weight: 600;
}