/* ============================================================
   Google Fonts
   ============================================================ */
@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:ital,wght@1,400;1,500;1,600&family=Plus+Jakarta+Sans:wght@400;500;600;700;800&display=swap');

/* ============================================================
   Design Tokens (CSS Custom Properties)
   ============================================================ */
:root {
  --bg-cream: #FBF4E4;
  --primary-purple: #6C5CE7;
  --primary-purple-hover: #5A4BD6;
  --accent-yellow: #FFD43B;
  --ink-black: #161616;
  --success-green: #22C55E;
  --text-grey: #6B7280;
  --surface-white: #FFFFFF;
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 8px 30px rgba(0, 0, 0, 0.12);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 24px;
  --radius-full: 50%;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background-color: var(--bg-cream);
  color: var(--ink-black);
  font-size: 16px;
  font-weight: 400;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

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

a {
  text-decoration: none;
  color: inherit;
  transition: var(--transition);
}

ul,
ol {
  list-style: none;
}

button {
  border: none;
  outline: none;
  cursor: pointer;
  font-family: inherit;
  background: none;
}

input,
textarea {
  outline: none;
  border: none;
  font-family: inherit;
}

/* ============================================================
   Typography
   ============================================================ */
h1 {
  font-size: 64px;
  font-weight: 800;
  line-height: 1.05;
  font-family: 'Plus Jakarta Sans', sans-serif;
}

h2 {
  font-size: 40px;
  font-weight: 700;
  line-height: 1.15;
  font-family: 'Plus Jakarta Sans', sans-serif;
}

h3 {
  font-size: 22px;
  font-weight: 700;
  line-height: 1.3;
  font-family: 'Plus Jakarta Sans', sans-serif;
}

.accent {
  font-family: 'Playfair Display', serif;
  font-style: italic;
  color: var(--primary-purple);
}

.section-title {
  font-size: 40px;
  font-weight: 700;
  text-align: center;
  margin-bottom: 16px;
}

/* ============================================================
   Tool Badges & Chips
   ============================================================ */
.tool-logos {
  display: flex;
  gap: 8px;
  align-items: center;
}

.tool-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: rgba(108, 92, 231, 0.1);
  color: var(--primary-purple);
  padding: 4px 12px;
  border-radius: 50px;
  font-size: 12px;
  font-weight: 600;
}

.tool-badge.small {
  padding: 3px 10px;
  font-size: 11px;
}

.project-tools {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.badge-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--success-green);
  display: inline-block;
}

/* ============================================================
   Highlight Cards (About section)
   ============================================================ */
.highlight-card {
  background: var(--surface-white);
  border-radius: var(--radius-md);
  padding: 28px;
  box-shadow: var(--shadow-sm);
  margin-bottom: 20px;
  transition: var(--transition);
}

.highlight-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.highlight-card:last-child {
  margin-bottom: 0;
}

.highlight-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-full);
  background: rgba(108, 92, 231, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
}

.highlight-card h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 8px;
}

.highlight-card p {
  color: var(--text-grey);
  font-size: 14px;
  line-height: 1.6;
  margin-bottom: 8px;
}

.highlight-detail {
  font-size: 12px;
  color: var(--primary-purple);
  font-weight: 500;
}

/* ============================================================
   Form Success & Error States
   ============================================================ */
.form-success {
  text-align: center;
  padding: 48px 24px;
}

.form-success h3 {
  font-size: 24px;
  margin-top: 16px;
  margin-bottom: 8px;
}

.form-success p {
  color: var(--text-grey);
}

.form-success-message {
  text-align: center;
  padding: 48px 24px;
}

.form-success-message .success-icon {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: rgba(34, 197, 94, 0.1);
  color: var(--success-green);
  font-size: 32px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
}

.form-success-message h3 {
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 8px;
}

.form-success-message p {
  color: var(--text-grey);
}

.input-error {
  border-color: #EF4444 !important;
  box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1) !important;
}

.form-error-message {
  display: block;
  color: #EF4444;
  font-size: 13px;
  margin-top: 6px;
  font-weight: 500;
}

.skill-details {
  flex: 1;
}

.modal-result h3 {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--ink-black);
}

/* ============================================================
   Layout
   ============================================================ */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

section {
  padding: 96px 0;
}

/* ============================================================
   Buttons
   ============================================================ */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background-color: var(--primary-purple);
  color: #fff;
  padding: 14px 32px;
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-weight: 600;
  transition: var(--transition);
  cursor: pointer;
  border: none;
  font-family: inherit;
}

.btn-primary:hover {
  background-color: var(--primary-purple-hover);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background-color: var(--ink-black);
  color: #fff;
  padding: 14px 32px;
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-weight: 600;
  transition: var(--transition);
  cursor: pointer;
  border: none;
  font-family: inherit;
}

.btn-secondary:hover {
  background-color: #2a2a2a;
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-outline {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background-color: transparent;
  color: var(--ink-black);
  padding: 14px 32px;
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-weight: 600;
  border: 2px solid var(--ink-black);
  transition: var(--transition);
  cursor: pointer;
  font-family: inherit;
}

.btn-outline:hover {
  background-color: var(--ink-black);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

/* ============================================================
   Cards
   ============================================================ */
.card {
  background-color: var(--surface-white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  padding: 32px;
  transition: var(--transition);
}

.card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

/* ============================================================
   Arrow Buttons (Circular)
   ============================================================ */
.arrow-btn {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-full);
  background-color: var(--primary-purple);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
  cursor: pointer;
  flex-shrink: 0;
  border: none;
  font-size: 18px;
}

.arrow-btn:hover {
  background-color: var(--primary-purple-hover);
  transform: rotate(45deg);
}

/* ============================================================
   SECTION 1 — Header / Nav
   ============================================================ */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: transparent;
  transition: var(--transition);
}

.header.scrolled {
  background: rgba(251, 244, 228, 0.95);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  box-shadow: var(--shadow-sm);
}

.nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 80px;
}

.logo {
  font-size: 22px;
  font-weight: 800;
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--ink-black);
}

.logo-mark {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-full);
  background-color: var(--primary-purple);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 14px;
  font-weight: 800;
}

.nav-links {
  display: flex;
  gap: 20px;
  list-style: none;
  align-items: center;
}

.nav-links a {
  font-weight: 500;
  color: var(--ink-black);
  font-size: 13px;
  transition: var(--transition);
  position: relative;
}

.nav-links a:hover {
  color: var(--primary-purple);
}

.nav-links a.active {
  color: var(--primary-purple);
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--primary-purple);
  transition: var(--transition);
}

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

.nav-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background-color: var(--ink-black);
  color: #fff;
  padding: 10px 24px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 600;
  transition: var(--transition);
  cursor: pointer;
  border: none;
  font-family: inherit;
}

.nav-cta:hover {
  background-color: #2a2a2a;
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
  background: none;
  border: none;
}

.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--ink-black);
  transition: var(--transition);
  border-radius: 2px;
}

.hamburger.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.hamburger.active span:nth-child(2) {
  opacity: 0;
}

.hamburger.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* ============================================================
   Mobile Menu
   ============================================================ */
.mobile-menu {
  position: fixed;
  top: 80px;
  left: 0;
  right: 0;
  background-color: var(--bg-cream);
  padding: 24px;
  transform: translateY(-100%);
  opacity: 0;
  transition: var(--transition);
  z-index: 999;
  box-shadow: var(--shadow-md);
  pointer-events: none;
}

.mobile-menu.open {
  transform: translateY(0);
  opacity: 1;
  pointer-events: all;
}

.mobile-menu a {
  display: block;
  padding: 16px 0;
  font-size: 18px;
  font-weight: 600;
  color: var(--ink-black);
  border-bottom: 1px solid rgba(0, 0, 0, 0.06);
  transition: var(--transition);
}

.mobile-menu a:hover {
  color: var(--primary-purple);
  padding-left: 8px;
}

.mobile-menu a:last-child {
  border-bottom: none;
}

/* ============================================================
   SECTION 2 — Hero
   ============================================================ */
.hero {
  min-height: calc(100vh - 80px);
  display: flex;
  align-items: center;
  padding-top: 80px;
}

.hero-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.hero-text {
  max-width: 560px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background-color: rgba(34, 197, 94, 0.1);
  color: var(--success-green);
  padding: 6px 16px;
  border-radius: 50px;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 24px;
}

.hero h1 {
  font-size: 64px;
  font-weight: 800;
  line-height: 1.05;
  margin-bottom: 24px;
  color: var(--ink-black);
}

.hero-subtext {
  font-size: 18px;
  color: var(--text-grey);
  line-height: 1.6;
  margin-bottom: 32px;
  max-width: 500px;
}

.hero-buttons {
  display: flex;
  gap: 16px;
  margin-bottom: 32px;
}

.hero-credibility {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.hero-credibility .chip {
  background-color: var(--surface-white);
  padding: 8px 16px;
  border-radius: 50px;
  font-size: 13px;
  font-weight: 500;
  box-shadow: var(--shadow-sm);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.hero-visual {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-portrait-wrapper {
  position: relative;
  width: 400px;
  height: 480px;
}

.hero-blob {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--accent-yellow);
  border-radius: 60% 40% 30% 70% / 60% 30% 70% 40%;
  animation: float 6s ease-in-out infinite;
  z-index: 1;
}

.hero-portrait {
  position: relative;
  z-index: 2;
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 60% 40% 30% 70% / 60% 30% 70% 40%;
}

/* ============================================================
   SECTION 3 — Stats Band
   ============================================================ */
.stats {
  background-color: var(--surface-white);
  padding: 48px 0;
  border-top: 1px solid rgba(0, 0, 0, 0.06);
  border-bottom: 1px solid rgba(0, 0, 0, 0.06);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  text-align: center;
}

.stat-item {
  padding: 24px;
  position: relative;
}

.stat-item:not(:last-child) {
  border-right: 1px solid rgba(0, 0, 0, 0.08);
}

.stat-number {
  font-size: 42px;
  font-weight: 800;
  color: var(--ink-black);
  line-height: 1.1;
}

.stat-label {
  font-size: 14px;
  color: var(--text-grey);
  margin-top: 4px;
  font-weight: 400;
}

/* ============================================================
   SECTION 4 — About Me
   ============================================================ */
.about {
  padding: 96px 0;
  background-color: var(--bg-cream);
}

.about-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.about-image {
  border-radius: var(--radius-md);
  overflow: hidden;
}

.about-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: var(--radius-md);
}

.about-text h2 {
  font-size: 40px;
  font-weight: 700;
  margin-bottom: 24px;
}

.about-text p {
  color: var(--text-grey);
  line-height: 1.8;
  margin-bottom: 24px;
  font-size: 16px;
}

.about-highlights {
  list-style: none;
  padding: 0;
  margin: 0;
}

.about-highlights li {
  position: relative;
  padding-left: 20px;
  margin-bottom: 12px;
  font-size: 16px;
  font-weight: 500;
  color: var(--ink-black);
}

.about-highlights li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 8px;
  width: 8px;
  height: 8px;
  border-radius: var(--radius-full);
  background-color: var(--primary-purple);
}

/* ============================================================
   SECTION 5 — What I Do / Skills
   ============================================================ */
.skills {
  padding: 96px 0;
  background-color: var(--surface-white);
}

.skills-content {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 60px;
}

.skills-list {
  width: 100%;
}

.skill-item {
  padding: 32px 0;
  border-top: 1px solid rgba(0, 0, 0, 0.08);
  display: flex;
  align-items: flex-start;
  gap: 20px;
}

.skill-item:last-child {
  border-bottom: 1px solid rgba(0, 0, 0, 0.08);
}

.skill-number {
  font-size: 14px;
  color: var(--text-grey);
  font-weight: 500;
  flex-shrink: 0;
  min-width: 28px;
  padding-top: 4px;
}

.skill-details {
  flex: 1;
}

.skill-title {
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--ink-black);
}

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

.skill-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  color: var(--text-grey);
}

.skill-tag::before {
  content: '';
  width: 8px;
  height: 8px;
  border-radius: var(--radius-full);
  background-color: var(--success-green);
  flex-shrink: 0;
}

.skill-item .arrow-btn {
  margin-left: auto;
  margin-top: 4px;
}

.skills-info {
  position: sticky;
  top: 120px;
}

.skills-info h2 {
  font-size: 40px;
  font-weight: 700;
  margin-bottom: 20px;
}

.skills-info p {
  color: var(--text-grey);
  line-height: 1.7;
  margin-bottom: 32px;
  font-size: 16px;
}

.skills-info .skills-sub {
  font-size: 14px;
  margin-bottom: 24px;
  margin-top: -16px;
}

/* ============================================================
   SECTION 6 — Projects
   ============================================================ */
.projects {
  padding: 96px 0;
  background-color: var(--bg-cream);
}

.projects-header {
  text-align: center;
  margin-bottom: 48px;
}

.projects-header h2 {
  font-size: 40px;
  font-weight: 700;
  margin-bottom: 16px;
}

.projects-header p {
  color: var(--text-grey);
  font-size: 16px;
  max-width: 560px;
  margin: 0 auto;
}

.filter-tabs {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin-bottom: 48px;
  flex-wrap: wrap;
}

.filter-tab {
  padding: 10px 24px;
  border-radius: 50px;
  border: 1px solid rgba(0, 0, 0, 0.12);
  background: transparent;
  cursor: pointer;
  font-weight: 500;
  font-size: 14px;
  color: var(--ink-black);
  transition: var(--transition);
  font-family: inherit;
}

.filter-tab:hover {
  background-color: rgba(0, 0, 0, 0.05);
}

.filter-tab.active {
  background-color: var(--ink-black);
  color: #fff;
  border-color: var(--ink-black);
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.project-card {
  background-color: var(--surface-white);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: var(--transition);
  cursor: pointer;
}

.project-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-6px);
}

.project-card-image {
  width: 100%;
  height: 220px;
  overflow: hidden;
}

.project-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.project-card:hover .project-card-image img {
  transform: scale(1.05);
}

.project-card-body {
  padding: 24px;
}

.project-card-body h3 {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--ink-black);
}

.project-card-category {
  font-size: 13px;
  color: var(--text-grey);
  font-weight: 400;
}

.project-card-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 24px 24px;
}

.project-card-footer .arrow-btn {
  width: 40px;
  height: 40px;
  font-size: 16px;
}

/* ============================================================
   Project Modal
   ============================================================ */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  z-index: 2000;
  display: none;
  align-items: center;
  justify-content: center;
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
}

.modal-overlay.active {
  display: flex;
}

.modal {
  background: var(--surface-white);
  border-radius: var(--radius-lg);
  max-width: 700px;
  width: 90%;
  max-height: 85vh;
  overflow-y: auto;
  padding: 48px;
  position: relative;
  animation: modalSlideIn 0.3s ease-out;
}

@keyframes modalSlideIn {
  from {
    opacity: 0;
    transform: translateY(20px) scale(0.97);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.modal-close {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  background: rgba(0, 0, 0, 0.05);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  transition: var(--transition);
  border: none;
  color: var(--ink-black);
}

.modal-close:hover {
  background: rgba(0, 0, 0, 0.1);
  transform: rotate(90deg);
}

.modal h2 {
  font-size: 28px;
  font-weight: 700;
  margin-bottom: 8px;
  padding-right: 48px;
}

.modal-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 16px 0;
}

.modal-meta .tag {
  background: var(--bg-cream);
  padding: 6px 14px;
  border-radius: 50px;
  font-size: 13px;
  font-weight: 500;
  color: var(--ink-black);
}

.modal-section h3 {
  font-size: 16px;
  font-weight: 700;
  margin-top: 24px;
  margin-bottom: 8px;
  color: var(--ink-black);
}

.modal-section p {
  color: var(--text-grey);
  line-height: 1.7;
  font-size: 15px;
}

.modal-result {
  background: var(--bg-cream);
  padding: 20px 24px;
  border-radius: var(--radius-md);
  border-left: 4px solid var(--primary-purple);
  margin-top: 16px;
}

.modal-result p {
  color: var(--ink-black);
  font-weight: 500;
}

.project-disclaimer {
  font-size: 12px;
  color: var(--text-grey);
  line-height: 1.5;
  margin-top: 12px;
  font-style: italic;
}

.modal::-webkit-scrollbar {
  width: 6px;
}

.modal::-webkit-scrollbar-track {
  background: transparent;
}

.modal::-webkit-scrollbar-thumb {
  background: rgba(0, 0, 0, 0.15);
  border-radius: 3px;
}

/* ============================================================
   SECTION 7 — Experience Timeline
   ============================================================ */
.experience {
  padding: 96px 0;
  background-color: var(--surface-white);
}

.experience h2 {
  font-size: 40px;
  font-weight: 700;
  text-align: center;
  margin-bottom: 16px;
}

.experience > .container > p {
  text-align: center;
  color: var(--text-grey);
  margin-bottom: 48px;
}

.timeline {
  position: relative;
  max-width: 800px;
  margin: 48px auto 0;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 50%;
  top: 0;
  width: 2px;
  height: 100%;
  background: rgba(0, 0, 0, 0.08);
  transform: translateX(-50%);
}

.timeline-item {
  position: relative;
  padding: 0 0 48px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
}

.timeline-item:last-child {
  padding-bottom: 0;
}

.timeline-item:nth-child(odd) .timeline-content {
  grid-column: 1;
  text-align: right;
}

.timeline-item:nth-child(odd) .timeline-spacer {
  grid-column: 2;
}

.timeline-item:nth-child(even) .timeline-content {
  grid-column: 2;
}

.timeline-item:nth-child(even) .timeline-spacer {
  grid-column: 1;
}

.timeline-dot {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background-color: var(--primary-purple);
  border: 4px solid var(--surface-white);
  z-index: 1;
  top: 8px;
}

.timeline-content {
  background: var(--surface-white);
  box-shadow: var(--shadow-sm);
  padding: 24px;
  border-radius: var(--radius-md);
  border: 1px solid rgba(0, 0, 0, 0.06);
  transition: var(--transition);
}

.timeline-content:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.timeline-date {
  font-size: 13px;
  color: var(--primary-purple);
  font-weight: 600;
  margin-bottom: 8px;
}

.timeline-title {
  font-size: 20px;
  font-weight: 700;
  color: var(--ink-black);
  margin-bottom: 4px;
}

.timeline-company {
  font-size: 15px;
  color: var(--text-grey);
  margin-bottom: 12px;
}

.timeline-desc {
  font-size: 14px;
  color: var(--text-grey);
  line-height: 1.6;
}

/* ============================================================
   Section Labels & Left-aligned titles
   ============================================================ */
.section-label {
  display: block;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--primary-purple);
  margin-bottom: 12px;
}

.section-title-left {
  font-size: 48px;
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 40px;
}

.section-subtitle {
  text-align: center;
  color: var(--text-grey);
  font-size: 16px;
  margin-top: -8px;
  margin-bottom: 48px;
}

/* ============================================================
   UCL CONSULTING SUMMIT SECTION
   ============================================================ */
.ucl-competition {
  padding: 96px 0;
  background-color: var(--bg-cream);
}

.ucl-content {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 48px;
  align-items: start;
}

.ucl-text p {
  color: var(--text-grey);
  line-height: 1.7;
  margin-bottom: 16px;
  font-size: 15px;
}

.ucl-text strong {
  color: var(--ink-black);
}

/* UCL Stats Strip */
.ucl-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin-top: 32px;
}

.ucl-stat {
  background: var(--surface-white);
  border-radius: var(--radius-sm);
  padding: 20px 24px;
}

.ucl-stat-number {
  display: block;
  font-size: 24px;
  font-weight: 800;
  color: var(--ink-black);
  line-height: 1.2;
}

.ucl-stat-label {
  display: block;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-grey);
  margin-top: 4px;
}

/* UCL Photo Grid */
.ucl-photos {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.ucl-photo-main {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
}

.ucl-photo-main img {
  width: 100%;
  height: 340px;
  object-fit: cover;
  display: block;
}

.ucl-photo-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.ucl-photo-item {
  position: relative;
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.ucl-photo-item img {
  width: 100%;
  height: 160px;
  object-fit: cover;
  display: block;
}

.ucl-caption {
  display: block;
  background: rgba(0, 0, 0, 0.65);
  color: white;
  font-size: 12px;
  font-style: italic;
  padding: 8px 12px;
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
}

/* ============================================================
   TESTIMONIAL / REFERENCE SECTION
   ============================================================ */
.testimonial {
  padding: 96px 0;
  background-color: var(--surface-white);
}

.testimonial .section-label,
.testimonial .section-title {
  text-align: center;
}

.testimonial-card {
  display: flex;
  max-width: 900px;
  margin: 40px auto 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  background: var(--bg-cream);
}

/* Yellow Left Panel */
.testimonial-accent {
  background: var(--accent-yellow);
  width: 260px;
  min-width: 260px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 48px 32px;
  position: relative;
}

.testimonial-quote-icon {
  position: absolute;
  top: 24px;
  right: 24px;
}

.testimonial-initials {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  background: var(--surface-white);
  display: flex;
  align-items: center;
  justify-content: center;
}

.testimonial-initials span {
  font-size: 40px;
  font-weight: 800;
  color: var(--ink-black);
}

/* Quote Body */
.testimonial-body {
  padding: 40px 48px;
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.testimonial-body blockquote {
  font-size: 17px;
  line-height: 1.7;
  color: var(--ink-black);
  font-weight: 400;
  margin: 0 0 24px 0;
  border: none;
  padding: 0;
}

.quote-open,
.quote-close {
  font-family: 'Playfair Display', serif;
  font-size: 28px;
  color: var(--primary-purple);
  font-weight: 600;
  line-height: 0;
  vertical-align: -4px;
}

.quote-open {
  margin-right: 2px;
}

.quote-close {
  margin-left: 2px;
}

.testimonial-author {
  margin-bottom: 20px;
  padding: 0;
  border: none;
  display: block;
}

.testimonial-author h4 {
  font-size: 18px;
  font-weight: 800;
  color: var(--ink-black);
  margin-bottom: 4px;
}

.testimonial-author p {
  font-size: 14px;
  color: var(--text-grey);
  margin: 0 0 4px 0;
}

.testimonial-role {
  display: block;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-grey);
}

.testimonial-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.testimonial-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 22px;
  font-size: 14px;
  font-weight: 600;
  border-radius: 50px;
  transition: var(--transition);
  text-decoration: none;
}

.testimonial-btn.btn-primary {
  border-radius: 50px;
}

.testimonial-btn.btn-outline {
  border-radius: 50px;
  border-width: 1.5px;
  padding: 10px 22px;
}

/* ============================================================
   SECTION 8 — Certifications Strip
   ============================================================ */
.certifications {
  padding: 64px 0;
  background-color: var(--bg-cream);
}

.certifications-header {
  text-align: center;
  margin-bottom: 40px;
}

.certifications-header h2 {
  font-size: 40px;
  font-weight: 700;
}

.certs-grid {
  display: flex;
  justify-content: center;
  gap: 32px;
  margin-top: 40px;
  flex-wrap: wrap;
}

.cert-card {
  background: var(--surface-white);
  padding: 32px 40px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  display: flex;
  align-items: center;
  gap: 16px;
  transition: var(--transition);
  text-decoration: none;
  color: inherit;
  cursor: pointer;
}

.cert-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.cert-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-full);
  background: rgba(108, 92, 231, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--primary-purple);
  font-size: 22px;
}

.cert-info {
  display: flex;
  flex-direction: column;
}

.cert-name {
  font-weight: 600;
  font-size: 16px;
  color: var(--ink-black);
}

.cert-issuer {
  font-size: 13px;
  color: var(--text-grey);
  margin-top: 2px;
}

/* ============================================================
   SECTION 9 — Contact
   ============================================================ */
.contact {
  padding: 96px 0;
  background-color: #F3EEFF;
}

.contact-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
}

.contact-form {
  width: 100%;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-size: 14px;
  font-weight: 600;
  color: var(--ink-black);
  margin-bottom: 8px;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 16px 20px;
  border: 1px solid rgba(0, 0, 0, 0.1);
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: 16px;
  background: var(--surface-white);
  color: var(--ink-black);
  transition: var(--transition);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: #B0B0B0;
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--primary-purple);
  box-shadow: 0 0 0 3px rgba(108, 92, 231, 0.1);
}

.form-group textarea {
  min-height: 140px;
  resize: vertical;
}

.contact-info {
  padding-top: 8px;
}

.contact-info h2 {
  font-size: 40px;
  font-weight: 700;
  margin-bottom: 16px;
}

.contact-info p {
  color: var(--text-grey);
  margin-bottom: 32px;
  line-height: 1.7;
  font-size: 16px;
}

.contact-details {
  margin-bottom: 24px;
}

.contact-detail {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}

.contact-detail-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  background: rgba(108, 92, 231, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--primary-purple);
  font-size: 16px;
}

.contact-detail a {
  color: var(--primary-purple);
  font-weight: 500;
  font-size: 15px;
  transition: var(--transition);
}

.contact-detail a:hover {
  text-decoration: underline;
}

.contact-detail span {
  color: var(--ink-black);
  font-weight: 500;
  font-size: 15px;
}

/* ============================================================
   SECTION 10 — Footer
   ============================================================ */
.footer {
  background-color: var(--accent-yellow);
  padding: 64px 0 32px;
}

.footer-heading {
  text-align: center;
  margin-bottom: 8px;
}

.footer-heading h2 {
  font-size: 40px;
  font-weight: 700;
  color: var(--ink-black);
}

.footer-heading p {
  color: rgba(0, 0, 0, 0.6);
  font-size: 16px;
  margin-top: 8px;
}

.social-cards {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin: 40px 0;
}

.social-card {
  background: var(--surface-white);
  padding: 24px;
  border-radius: var(--radius-md);
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: var(--transition);
  cursor: pointer;
}

.social-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
}

.social-card-text h4 {
  font-weight: 600;
  font-size: 16px;
  color: var(--ink-black);
}

.social-card-text p {
  font-size: 13px;
  color: var(--text-grey);
  margin-top: 2px;
}

.social-card-icon {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  flex-shrink: 0;
}

.social-card-icon.linkedin {
  color: #0077B5;
}

.social-card-icon.github {
  color: #333;
}

.social-card-icon.twitter {
  color: #1DA1F2;
}

.social-card-icon.email {
  color: var(--primary-purple);
}

.social-card-icon.kaggle {
  color: #20BEFF;
}

.social-card-icon.medium {
  color: #000;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 32px;
  margin-top: 32px;
  border-top: 2px solid rgba(0, 0, 0, 0.1);
}

.footer-nav {
  display: flex;
  gap: 24px;
}

.footer-nav a {
  color: var(--ink-black);
  font-weight: 500;
  font-size: 13px;
  transition: var(--transition);
}

.footer-nav a:hover {
  color: var(--primary-purple);
}

.copyright {
  font-size: 14px;
  color: rgba(0, 0, 0, 0.6);
}

/* ============================================================
   Animations
   ============================================================ */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

.slide-in-left {
  opacity: 0;
  transform: translateX(-30px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.slide-in-left.visible {
  opacity: 1;
  transform: translateX(0);
}

.slide-in-right {
  opacity: 0;
  transform: translateX(30px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.slide-in-right.visible {
  opacity: 1;
  transform: translateX(0);
}

@keyframes float {
  0% {
    transform: translateY(0px);
  }
  50% {
    transform: translateY(-12px);
  }
  100% {
    transform: translateY(0px);
  }
}

@keyframes counter-pulse {
  0% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.05);
  }
  100% {
    transform: scale(1);
  }
}

.stat-number.animate {
  animation: counter-pulse 0.4s ease-out;
}

/* ============================================================
   Stagger animation delays for children
   ============================================================ */
.fade-in:nth-child(1) { transition-delay: 0.05s; }
.fade-in:nth-child(2) { transition-delay: 0.1s; }
.fade-in:nth-child(3) { transition-delay: 0.15s; }
.fade-in:nth-child(4) { transition-delay: 0.2s; }
.fade-in:nth-child(5) { transition-delay: 0.25s; }
.fade-in:nth-child(6) { transition-delay: 0.3s; }

/* ============================================================
   Utility Classes
   ============================================================ */
.text-center {
  text-align: center;
}

.text-grey {
  color: var(--text-grey);
}

.mb-8 { margin-bottom: 8px; }
.mb-16 { margin-bottom: 16px; }
.mb-24 { margin-bottom: 24px; }
.mb-32 { margin-bottom: 32px; }
.mb-48 { margin-bottom: 48px; }

/* ============================================================
   RESPONSIVE — Tablet (max-width: 768px)
   ============================================================ */
@media (max-width: 768px) {
  section {
    padding: 64px 0;
  }

  h1 {
    font-size: 44px;
  }

  h2 {
    font-size: 32px;
  }

  /* Nav */
  .nav-links {
    display: none;
  }

  .nav-cta {
    display: none;
  }

  .nav-actions {
    gap: 4px;
  }

  .hamburger {
    display: flex;
  }

  /* Hero */
  .hero {
    min-height: auto;
    padding-top: 100px;
    padding-bottom: 40px;
  }

  .hero-content {
    grid-template-columns: 1fr;
    gap: 40px;
    text-align: center;
  }

  .hero-text {
    max-width: 100%;
    order: 2;
  }

  .hero h1 {
    font-size: 44px;
  }

  .hero-subtext {
    max-width: 100%;
    margin-left: auto;
    margin-right: auto;
  }

  .hero-buttons {
    justify-content: center;
    flex-wrap: wrap;
  }

  .hero-credibility {
    justify-content: center;
  }

  .hero-visual {
    order: 1;
    justify-content: center;
  }

  .hero-portrait-wrapper {
    width: 300px;
    height: 360px;
  }

  /* Stats */
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .stat-item:nth-child(2) {
    border-right: none;
  }

  .stat-item:nth-child(1),
  .stat-item:nth-child(2) {
    border-bottom: 1px solid rgba(0, 0, 0, 0.08);
  }

  /* About */
  .about-content {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .about-text h2 {
    font-size: 32px;
  }

  /* Skills */
  .skills-content {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .skills-info {
    position: static;
    order: -1;
  }

  .skills-info h2 {
    font-size: 32px;
  }

  /* Projects */
  .projects-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }

  .projects-header h2 {
    font-size: 32px;
  }

  /* Modal */
  .modal {
    padding: 32px;
    width: 95%;
    max-height: 90vh;
  }

  .modal h2 {
    font-size: 24px;
  }

  /* Experience Timeline */
  .experience h2 {
    font-size: 32px;
  }

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

  .timeline-item {
    grid-template-columns: 1fr;
    gap: 0;
    padding-left: 52px;
  }

  .timeline-item:nth-child(odd) .timeline-content,
  .timeline-item:nth-child(even) .timeline-content {
    grid-column: 1;
    text-align: left;
  }

  .timeline-spacer {
    display: none;
  }

  .timeline-dot {
    left: 20px;
  }

  /* UCL Section */
  .section-title-left {
    font-size: 36px;
  }

  .ucl-content {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .ucl-stats {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }

  .ucl-photo-main img {
    height: 260px;
  }

  .ucl-photo-item img {
    height: 130px;
  }

  /* Testimonial */
  .testimonial-card {
    flex-direction: column;
  }

  .testimonial-accent {
    width: 100%;
    min-width: unset;
    padding: 32px;
    flex-direction: row;
    gap: 20px;
  }

  .testimonial-initials {
    width: 80px;
    height: 80px;
  }

  .testimonial-initials span {
    font-size: 28px;
  }

  .testimonial-body {
    padding: 28px 32px;
  }

  .testimonial-body blockquote {
    font-size: 15px;
  }

  /* Certifications */
  .certifications-header h2 {
    font-size: 32px;
  }

  .certs-grid {
    gap: 20px;
  }

  .cert-card {
    padding: 24px 28px;
  }

  /* Contact */
  .contact-content {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .contact-info h2 {
    font-size: 32px;
  }

  /* Footer */
  .footer-heading h2 {
    font-size: 32px;
  }

  .social-cards {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 16px;
    text-align: center;
  }

  .footer-nav {
    justify-content: center;
    flex-wrap: wrap;
    gap: 16px;
  }
}

/* ============================================================
   RESPONSIVE — Mobile (max-width: 480px)
   ============================================================ */
@media (max-width: 480px) {
  .container {
    padding: 0 16px;
  }

  section {
    padding: 48px 0;
  }

  h1 {
    font-size: 36px;
  }

  h2 {
    font-size: 28px;
  }

  /* Hero */
  .hero {
    padding-top: 96px;
  }

  .hero h1 {
    font-size: 36px;
  }

  .hero-subtext {
    font-size: 16px;
  }

  .hero-portrait-wrapper {
    width: 250px;
    height: 300px;
  }

  .hero-buttons {
    flex-direction: column;
    align-items: stretch;
  }

  .hero-badge {
    font-size: 12px;
  }

  /* Stats */
  .stats {
    padding: 32px 0;
  }

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

  .stat-number {
    font-size: 32px;
  }

  .stat-label {
    font-size: 13px;
  }

  /* Projects */
  .projects-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .filter-tabs {
    justify-content: flex-start;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    flex-wrap: nowrap;
    padding-bottom: 8px;
    margin-left: -16px;
    margin-right: -16px;
    padding-left: 16px;
    padding-right: 16px;
    gap: 8px;
    scrollbar-width: none;
    -ms-overflow-style: none;
  }

  .filter-tabs::-webkit-scrollbar {
    display: none;
  }

  .filter-tab {
    flex-shrink: 0;
    font-size: 13px;
    padding: 8px 20px;
  }

  .project-card-image {
    height: 180px;
  }

  /* About */
  .about-text h2 {
    font-size: 28px;
  }

  /* Skills */
  .skill-item {
    flex-direction: column;
    gap: 12px;
  }

  .skill-item .arrow-btn {
    margin-left: 0;
    align-self: flex-start;
  }

  .skills-info h2 {
    font-size: 28px;
  }

  /* Experience */
  .experience h2 {
    font-size: 28px;
  }

  .timeline-item {
    padding-left: 44px;
  }

  .timeline-content {
    padding: 20px;
  }

  .timeline-title {
    font-size: 18px;
  }

  /* Certifications */
  .certifications-header h2 {
    font-size: 28px;
  }

  .certs-grid {
    flex-direction: column;
    align-items: stretch;
    gap: 16px;
  }

  .cert-card {
    padding: 20px 24px;
  }

  /* Contact */
  .contact-info h2 {
    font-size: 28px;
  }

  .form-group input,
  .form-group textarea {
    padding: 14px 16px;
    font-size: 15px;
  }

  /* Modal */
  .modal {
    padding: 24px;
    border-radius: var(--radius-md);
  }

  .modal h2 {
    font-size: 22px;
  }

  .modal-section h3 {
    font-size: 15px;
  }

  /* Footer */
  .footer {
    padding: 48px 0 24px;
  }

  .footer-heading h2 {
    font-size: 28px;
  }

  .social-cards {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .social-card {
    padding: 20px;
  }

  .footer-nav {
    gap: 12px;
  }

  .footer-nav a {
    font-size: 14px;
  }

  [data-theme='dark'] .header.scrolled { background: rgba(15,15,20,0.98); }
}

/* ============================================================
   Selection & Scrollbar Customisation
   ============================================================ */
::selection {
  background: rgba(108, 92, 231, 0.2);
  color: var(--ink-black);
}

::-webkit-scrollbar {
  width: 8px;
}

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

::-webkit-scrollbar-thumb {
  background: rgba(0, 0, 0, 0.2);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: rgba(0, 0, 0, 0.35);
}

/* ============================================================
   Theme Toggle
   ============================================================ */
.theme-toggle {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 2px solid rgba(0,0,0,0.1);
  background: transparent;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  margin-left: 12px;
  position: relative;
}
.theme-toggle:hover {
  border-color: #6C5CE7;
  transform: rotate(30deg);
}
.theme-toggle .icon-sun,
.theme-toggle .icon-moon { transition: opacity 0.3s, transform 0.3s; position: absolute; }
.theme-toggle .icon-moon { opacity: 0; transform: rotate(-90deg); }
[data-theme='dark'] .theme-toggle .icon-sun { opacity: 0; transform: rotate(90deg); }
[data-theme='dark'] .theme-toggle .icon-moon { opacity: 1; transform: rotate(0deg); }
[data-theme='dark'] .theme-toggle { border-color: rgba(255,255,255,0.2); }
[data-theme='dark'] .theme-toggle:hover { border-color: #6C5CE7; }

/* ============================================================
   Dark Theme Variables
   ============================================================ */
[data-theme='dark'] {
  --bg-cream: #0F0F14;
  --ink-black: #F0F0F5;
  --surface-white: #1A1A24;
  --text-grey: #9CA3AF;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.3);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.4);
  --shadow-lg: 0 8px 30px rgba(0,0,0,0.5);
}

/* ============================================================
   Dark Theme Overrides
   ============================================================ */
[data-theme='dark'] .header.scrolled { background: rgba(15,15,20,0.95); }
[data-theme='dark'] .stats { background: #1A1A24; border-color: rgba(255,255,255,0.06); }
[data-theme='dark'] .hero-blob { background: rgba(108,92,231,0.3); }
[data-theme='dark'] .chip { background: #1A1A24; color: #9CA3AF; }
[data-theme='dark'] .tool-badge { background: #1A1A24; color: #9CA3AF; }
[data-theme='dark'] .card, [data-theme='dark'] .project-card { background: #1A1A24; }
[data-theme='dark'] .skill-item { border-color: rgba(255,255,255,0.08); }
[data-theme='dark'] .filter-tab { border-color: rgba(255,255,255,0.12); color: #9CA3AF; }
[data-theme='dark'] .filter-tab.active { background: #F0F0F5; color: #0F0F14; }
[data-theme='dark'] .cert-card { background: #1A1A24; }
[data-theme='dark'] .highlight-card { background: #1A1A24; }
[data-theme='dark'] .timeline-content { background: #1A1A24; }
[data-theme='dark'] .btn-outline { border-color: rgba(255,255,255,0.2); color: #F0F0F5; }
[data-theme='dark'] .btn-outline:hover { background: rgba(255,255,255,0.05); }
[data-theme='dark'] .btn-secondary { background: #F0F0F5; color: #0F0F14; }
[data-theme='dark'] .nav-links a { color: #F0F0F5; }
[data-theme='dark'] .contact-form input, [data-theme='dark'] .contact-form textarea { background: #1A1A24; border-color: rgba(255,255,255,0.1); color: #F0F0F5; }
[data-theme='dark'] .contact { background-color: #1E1A2E; }
[data-theme='dark'] .modal { background: #1A1A24; }
[data-theme='dark'] .modal-result { background: rgba(108,92,231,0.1); border-color: rgba(108,92,231,0.3); }
[data-theme='dark'] .testimonial-card { background: #1A1A24; }
[data-theme='dark'] .testimonial-accent { background: #6C5CE7; }
[data-theme='dark'] .testimonial-initials { background: rgba(255,255,255,0.15); }
[data-theme='dark'] .testimonial-initials span { color: #FFFFFF; }
[data-theme='dark'] .ucl-stat { background: #1A1A24; }
[data-theme='dark'] .footer { background: #1A1A24; }
[data-theme='dark'] .social-card { background: #252530; }
[data-theme='dark'] .social-card:hover { background: #6C5CE7; }
[data-theme='dark'] .hamburger span { background: #F0F0F5; }
[data-theme='dark'] .mobile-menu { background: #0F0F14; }
[data-theme='dark'] .mobile-menu a { color: #F0F0F5; }
[data-theme='dark'] .logo span { color: #F0F0F5; }

/* ============================================================
   Print Styles
   ============================================================ */
@media print {
  .header,
  .hamburger,
  .mobile-menu,
  .modal-overlay {
    display: none !important;
  }

  body {
    background: #fff;
    color: #000;
  }

  section {
    padding: 32px 0;
    page-break-inside: avoid;
  }

  .hero {
    min-height: auto;
    padding-top: 0;
  }

  .hero-blob {
    display: none;
  }

  .footer {
    background: #fff;
    border-top: 2px solid #000;
  }
}