/* ═══════════════════════════════════════════
   PORTFOLIO — Design System & Styles
   Elegant editorial • Pastel palette • Spring motion
   ═══════════════════════════════════════════ */

/* ── Google Fonts ── */
@import url('https://fonts.googleapis.com/css2?family=Inter:ital,opsz,wght@0,14..32,100..900;1,14..32,100..900&family=Space+Grotesk:wght@300..700&display=swap');

/* ═══════════════════════════════════════════
   1. DESIGN TOKENS
   ═══════════════════════════════════════════ */
:root {
  /* Palette — pastel editorial */
  --lavender:       #CDB4DB;
  --cotton-candy:   #FFC8DD;
  --hot-pink:       #FFAFCC;
  --powder-blue:    #BDE0FE;
  --sky-blue:       #A2D2FF;

  /* Neutrals */
  --ink:            #1a1a2e;
  --ink-soft:       #2d2d44;
  --ink-muted:      #5a5a7a;
  --paper:          #faf8f5;
  --paper-warm:     #f5f0eb;
  --white:          #ffffff;

  /* Functional */
  --accent-primary:   var(--hot-pink);
  --accent-secondary: var(--sky-blue);
  --accent-tertiary:  var(--lavender);
  --surface:          var(--paper);
  --surface-alt:      var(--paper-warm);
  --text-primary:     var(--ink);
  --text-secondary:   var(--ink-soft);
  --text-muted:       var(--ink-muted);

  /* Typography */
  --font-display: 'Space Grotesk', sans-serif;
  --font-body:    'Inter', sans-serif;

  --fs-hero:    clamp(3.2rem, 8vw, 7.5rem);
  --fs-h1:      clamp(2.4rem, 5vw, 4.5rem);
  --fs-h2:      clamp(1.8rem, 3.5vw, 3rem);
  --fs-h3:      clamp(1.3rem, 2vw, 1.75rem);
  --fs-body:    clamp(1rem, 1.1vw, 1.125rem);
  --fs-small:   0.875rem;
  --fs-caption: 0.75rem;

  --lh-tight:   1.1;
  --lh-snug:    1.3;
  --lh-normal:  1.6;

  --ls-tight:  -0.03em;
  --ls-normal:  0;
  --ls-wide:    0.05em;
  --ls-ultra:   0.12em;

  /* Spacing scale */
  --sp-1: 0.25rem;
  --sp-2: 0.5rem;
  --sp-3: 0.75rem;
  --sp-4: 1rem;
  --sp-5: 1.5rem;
  --sp-6: 2rem;
  --sp-8: 3rem;
  --sp-10: 4rem;
  --sp-12: 5rem;
  --sp-16: 7rem;
  --sp-20: 9rem;

  /* Layout */
  --max-width:   1280px;
  --nav-height:  72px;

  /* Radius */
  --r-sm:   6px;
  --r-md:   12px;
  --r-lg:   20px;
  --r-xl:   28px;
  --r-full: 9999px;

  /* Shadows */
  --shadow-sm:   0 1px 3px rgba(26,26,46,0.06);
  --shadow-md:   0 4px 16px rgba(26,26,46,0.08);
  --shadow-lg:   0 8px 32px rgba(26,26,46,0.10);
  --shadow-xl:   0 16px 48px rgba(26,26,46,0.12);
  --shadow-glow: 0 0 40px rgba(205,180,219,0.3);

  /* Transitions */
  --ease-spring:  cubic-bezier(0.34, 1.56, 0.64, 1);
  --ease-bounce:  cubic-bezier(0.68, -0.55, 0.27, 1.55);
  --ease-smooth:  cubic-bezier(0.4, 0, 0.2, 1);
  --dur-fast:     200ms;
  --dur-normal:   400ms;
  --dur-slow:     600ms;
  --dur-reveal:   800ms;
}

/* ═══════════════════════════════════════════
   2. RESET & BASE
   ═══════════════════════════════════════════ */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

body {
  font-family: var(--font-body);
  font-size: var(--fs-body);
  line-height: var(--lh-normal);
  color: var(--text-primary);
  background: var(--surface);
  overflow-x: hidden;
  min-height: 100vh;
}

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

/* Focus states */
:focus-visible {
  outline: 3px solid var(--accent-primary);
  outline-offset: 3px;
  border-radius: var(--r-sm);
}

::selection {
  background: var(--cotton-candy);
  color: var(--ink);
}

/* ═══════════════════════════════════════════
   3. LAYOUT UTILITIES
   ═══════════════════════════════════════════ */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--sp-6);
}

.section {
  padding: var(--sp-16) 0;
  position: relative;
}

.section--alt {
  background: var(--surface-alt);
}

.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  border: 0;
}

/* ═══════════════════════════════════════════
   4. TYPOGRAPHY
   ═══════════════════════════════════════════ */
.t-display {
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: var(--ls-tight);
  line-height: var(--lh-tight);
}

.t-hero {
  font-size: var(--fs-hero);
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: -0.04em;
  line-height: 0.95;
}

.t-h1 { font-size: var(--fs-h1); }
.t-h2 { font-size: var(--fs-h2); }
.t-h3 { font-size: var(--fs-h3); }

.t-label {
  font-family: var(--font-display);
  font-size: var(--fs-small);
  font-weight: 600;
  letter-spacing: var(--ls-ultra);
  text-transform: uppercase;
  color: var(--text-muted);
}

.t-body-lg {
  font-size: clamp(1.05rem, 1.3vw, 1.25rem);
  line-height: var(--lh-normal);
  color: var(--text-secondary);
}

/* ═══════════════════════════════════════════
   5. BUTTONS
   ═══════════════════════════════════════════ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  padding: var(--sp-3) var(--sp-6);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--fs-small);
  letter-spacing: var(--ls-wide);
  text-transform: uppercase;
  border-radius: var(--r-full);
  transition: all var(--dur-normal) var(--ease-spring);
  position: relative;
  overflow: hidden;
}

.btn--primary {
  background: var(--ink);
  color: var(--white);
}
.btn--primary:hover {
  background: var(--ink-soft);
  transform: translateY(-2px) scale(1.02);
  box-shadow: var(--shadow-lg);
}

.btn--outline {
  background: transparent;
  color: var(--ink);
  border: 2px solid var(--ink);
}
.btn--outline:hover {
  background: var(--ink);
  color: var(--white);
  transform: translateY(-2px) scale(1.02);
}

.btn--accent {
  background: var(--accent-primary);
  color: var(--ink);
}
.btn--accent:hover {
  background: var(--cotton-candy);
  transform: translateY(-2px) scale(1.02);
  box-shadow: var(--shadow-lg);
}

.btn__icon {
  width: 18px;
  height: 18px;
  transition: transform var(--dur-normal) var(--ease-spring);
}

.btn:hover .btn__icon {
  transform: translateX(3px);
}

/* ═══════════════════════════════════════════
   6. NAVIGATION
   ═══════════════════════════════════════════ */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  z-index: 1000;
  transition: all var(--dur-normal) var(--ease-smooth);
}

.nav--scrolled {
  background: rgba(250, 248, 245, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: var(--shadow-sm);
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--sp-6);
}

.nav__logo {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.4rem;
  letter-spacing: var(--ls-tight);
  color: var(--ink);
  position: relative;
}

.nav__logo::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--lavender), var(--hot-pink), var(--sky-blue));
  border-radius: var(--r-full);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--dur-normal) var(--ease-spring);
}

.nav__logo:hover::after {
  transform: scaleX(1);
}

.nav__links {
  display: flex;
  align-items: center;
  gap: var(--sp-1);
}

.nav__link {
  padding: var(--sp-2) var(--sp-3);
  font-family: var(--font-display);
  font-size: var(--fs-small);
  font-weight: 500;
  letter-spacing: var(--ls-wide);
  color: var(--text-muted);
  border-radius: var(--r-full);
  transition: all var(--dur-normal) var(--ease-spring);
  position: relative;
}

.nav__link:hover,
.nav__link--active {
  color: var(--ink);
  background: rgba(205, 180, 219, 0.15);
}

.nav__link--active {
  font-weight: 600;
}

/* Mobile hamburger */
.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 28px;
  padding: 4px 0;
  z-index: 1001;
}

.nav__toggle span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--ink);
  border-radius: var(--r-full);
  transition: all var(--dur-normal) var(--ease-spring);
  transform-origin: center;
}

.nav__toggle--open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.nav__toggle--open span:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}
.nav__toggle--open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Mobile menu */
.nav__mobile-menu {
  display: none;
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(250, 248, 245, 0.98);
  backdrop-filter: blur(30px);
  z-index: 999;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--sp-4);
}

.nav__mobile-menu.open {
  display: flex;
}

.nav__mobile-link {
  font-family: var(--font-display);
  font-size: var(--fs-h3);
  font-weight: 600;
  color: var(--ink);
  padding: var(--sp-3) var(--sp-6);
  border-radius: var(--r-full);
  transition: all var(--dur-normal) var(--ease-spring);
  opacity: 0;
  transform: translateY(20px);
}

.nav__mobile-menu.open .nav__mobile-link {
  opacity: 1;
  transform: translateY(0);
}

.nav__mobile-link:hover {
  background: rgba(205, 180, 219, 0.2);
}

/* ═══════════════════════════════════════════
   7. PAGE SECTIONS & SCROLLING
   ═══════════════════════════════════════════ */
.page,
.page-section {
  display: block;
  position: relative;
  scroll-margin-top: calc(var(--nav-height) - 1px);
}

/* ═══════════════════════════════════════════
   8. HERO SECTION
   ═══════════════════════════════════════════ */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: var(--nav-height);
  position: relative;
  overflow: hidden;
}

.hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  overflow: hidden;
}

.hero__orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.5;
  animation: orbFloat 12s ease-in-out infinite;
}

.hero__orb--1 {
  width: 500px; height: 500px;
  background: var(--lavender);
  top: -10%; right: -5%;
  animation-delay: 0s;
}
.hero__orb--2 {
  width: 400px; height: 400px;
  background: var(--cotton-candy);
  bottom: -15%; left: 10%;
  animation-delay: -4s;
}
.hero__orb--3 {
  width: 350px; height: 350px;
  background: var(--powder-blue);
  top: 30%; left: -10%;
  animation-delay: -8s;
}

@keyframes orbFloat {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33%      { transform: translate(30px, -30px) scale(1.05); }
  66%      { transform: translate(-20px, 20px) scale(0.95); }
}

.hero__content {
  position: relative;
  z-index: 1;
  max-width: 900px;
}

.hero__label {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  margin-bottom: var(--sp-5);
  padding: var(--sp-2) var(--sp-4);
  background: rgba(205, 180, 219, 0.2);
  border: 1px solid rgba(205, 180, 219, 0.3);
  border-radius: var(--r-full);
  font-family: var(--font-display);
  font-size: var(--fs-small);
  font-weight: 600;
  letter-spacing: var(--ls-wide);
  color: var(--ink-soft);
}

.hero__label-dot {
  width: 8px; height: 8px;
  background: #4ade80;
  border-radius: 50%;
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%      { opacity: 0.5; transform: scale(1.3); }
}

.hero__title {
  margin-bottom: var(--sp-5);
}

.hero__title-line {
  display: block;
  overflow: hidden;
}

.hero__title-text {
  display: inline-block;
  transform: translateY(110%);
  animation: heroReveal 1s var(--ease-spring) forwards;
}

.hero__title-line:nth-child(2) .hero__title-text {
  animation-delay: 0.15s;
}

.hero__title-line:nth-child(3) .hero__title-text {
  animation-delay: 0.3s;
}

@keyframes heroReveal {
  to { transform: translateY(0); }
}

.hero__title .highlight {
  background: linear-gradient(135deg, var(--lavender), var(--hot-pink), var(--sky-blue));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero__subtitle {
  font-size: clamp(1.1rem, 1.5vw, 1.35rem);
  color: var(--text-secondary);
  line-height: var(--lh-normal);
  max-width: 600px;
  margin-bottom: var(--sp-8);
  opacity: 0;
  animation: fadeUp 0.8s var(--ease-spring) 0.5s forwards;
}

.hero__cta {
  display: flex;
  gap: var(--sp-4);
  flex-wrap: wrap;
  opacity: 0;
  animation: fadeUp 0.8s var(--ease-spring) 0.65s forwards;
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(25px); }
  to   { opacity: 1; transform: translateY(0); }
}

.hero__scroll-hint {
  position: absolute;
  bottom: var(--sp-8);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--sp-2);
  color: var(--text-muted);
  font-size: var(--fs-caption);
  letter-spacing: var(--ls-wide);
  text-transform: uppercase;
  text-decoration: none;
  cursor: pointer;
  z-index: 2;
  opacity: 0;
  animation: fadeUp 0.8s var(--ease-spring) 1s forwards;
  transition: color var(--dur-fast) var(--ease-smooth), transform var(--dur-fast) var(--ease-spring);
}

.hero__scroll-hint:hover {
  color: var(--ink);
  transform: translateX(-50%) translateY(4px);
}

.hero__scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, var(--ink-muted), transparent);
  animation: scrollLine 2s ease-in-out infinite;
}

@keyframes scrollLine {
  0%   { transform: scaleY(0); transform-origin: top; }
  50%  { transform: scaleY(1); transform-origin: top; }
  51%  { transform-origin: bottom; }
  100% { transform: scaleY(0); transform-origin: bottom; }
}

/* ═══════════════════════════════════════════
   9. SECTION HEADERS
   ═══════════════════════════════════════════ */
.section-header {
  margin-bottom: var(--sp-12);
}

.section-header__label {
  margin-bottom: var(--sp-4);
}

.section-header__title {
  margin-bottom: var(--sp-4);
}

.section-header__desc {
  max-width: 640px;
}

.section-header--center {
  text-align: center;
}

.section-header--center .section-header__desc {
  margin: 0 auto;
}

/* ═══════════════════════════════════════════
   10. ABOUT SECTION
   ═══════════════════════════════════════════ */
.about__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-12);
  align-items: center;
}

.about__image-wrap {
  position: relative;
}

.about__image {
  width: 100%;
  aspect-ratio: 4/5;
  object-fit: cover;
  border-radius: var(--r-xl);
  position: relative;
  z-index: 1;
}

.about__image-decor {
  position: absolute;
  inset: -12px;
  border-radius: calc(var(--r-xl) + 8px);
  background: linear-gradient(135deg, var(--lavender), var(--hot-pink), var(--sky-blue));
  z-index: 0;
  opacity: 0.3;
  animation: decorRotate 20s linear infinite;
}

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

.about__text h3 {
  font-family: var(--font-display);
  font-size: var(--fs-h3);
  margin-bottom: var(--sp-4);
  font-weight: 700;
}

.about__text p {
  color: var(--text-secondary);
  margin-bottom: var(--sp-4);
  line-height: var(--lh-normal);
}

.about__values {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-4);
  margin-top: var(--sp-6);
}

.about__value {
  padding: var(--sp-4);
  background: var(--white);
  border-radius: var(--r-md);
  box-shadow: var(--shadow-sm);
  transition: all var(--dur-normal) var(--ease-spring);
}

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

.about__value-icon {
  font-size: 1.5rem;
  margin-bottom: var(--sp-2);
}

.about__value-title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--fs-small);
  margin-bottom: var(--sp-1);
}

.about__value-desc {
  font-size: var(--fs-caption);
  color: var(--text-muted);
}

/* ═══════════════════════════════════════════
   11. SKILLS / TECH STACK
   ═══════════════════════════════════════════ */
.skills__categories {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--sp-6);
  margin-bottom: var(--sp-12);
}

.skill-card {
  background: var(--white);
  border-radius: var(--r-lg);
  padding: var(--sp-6);
  box-shadow: var(--shadow-sm);
  border: 1px solid rgba(205, 180, 219, 0.15);
  transition: all var(--dur-normal) var(--ease-spring);
  position: relative;
  overflow: hidden;
}

.skill-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--lavender), var(--hot-pink));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--dur-normal) var(--ease-spring);
}

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

.skill-card:hover::before {
  transform: scaleX(1);
}

.skill-card:nth-child(2)::before {
  background: linear-gradient(90deg, var(--hot-pink), var(--cotton-candy));
}
.skill-card:nth-child(3)::before {
  background: linear-gradient(90deg, var(--powder-blue), var(--sky-blue));
}
.skill-card:nth-child(4)::before {
  background: linear-gradient(90deg, var(--sky-blue), var(--lavender));
}

.skill-card__icon {
  width: 48px; height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--r-md);
  margin-bottom: var(--sp-4);
  font-size: 1.5rem;
}

.skill-card__icon--ds   { background: rgba(205, 180, 219, 0.2); }
.skill-card__icon--ml   { background: rgba(255, 200, 221, 0.2); }
.skill-card__icon--fs   { background: rgba(189, 224, 254, 0.2); }
.skill-card__icon--tool { background: rgba(162, 210, 255, 0.2); }

.skill-card__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--fs-h3);
  margin-bottom: var(--sp-3);
}

.skill-card__list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-2);
}

.skill-tag {
  padding: var(--sp-1) var(--sp-3);
  background: var(--surface-alt);
  border-radius: var(--r-full);
  font-size: var(--fs-caption);
  font-weight: 500;
  color: var(--text-secondary);
  transition: all var(--dur-normal) var(--ease-spring);
}

.skill-tag:hover {
  background: var(--lavender);
  color: var(--ink);
  transform: scale(1.05);
}

/* ── Infinite Carousel ── */
.carousel-section {
  padding: var(--sp-10) 0;
  overflow: hidden;
  position: relative;
}

.carousel-section::before,
.carousel-section::after {
  content: '';
  position: absolute;
  top: 0; bottom: 0;
  width: 120px;
  z-index: 2;
  pointer-events: none;
}

.carousel-section::before {
  left: 0;
  background: linear-gradient(to right, var(--surface), transparent);
}

.carousel-section::after {
  right: 0;
  background: linear-gradient(to left, var(--surface), transparent);
}

.carousel-section--alt::before {
  background: linear-gradient(to right, var(--surface-alt), transparent);
}

.carousel-section--alt::after {
  background: linear-gradient(to left, var(--surface-alt), transparent);
}

.carousel-track {
  display: flex;
  gap: var(--sp-5);
  animation: carouselScroll 40s linear infinite;
  width: max-content;
}

.carousel-track:hover {
  animation-play-state: paused;
}

@keyframes carouselScroll {
  to { transform: translateX(-50%); }
}

.carousel-badge {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  padding: var(--sp-3) var(--sp-5);
  background: var(--white);
  border-radius: var(--r-lg);
  box-shadow: var(--shadow-sm);
  border: 1px solid rgba(205, 180, 219, 0.12);
  transition: all var(--dur-normal) var(--ease-spring);
  cursor: default;
  min-width: 160px;
}

.carousel-badge:hover {
  transform: scale(1.08) translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--accent-primary);
}

.carousel-badge__icon {
  width: 40px; height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--r-md);
  font-size: 1.2rem;
  font-weight: 700;
  flex-shrink: 0;
}

.carousel-badge__name {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--fs-small);
  white-space: nowrap;
}

/* Badge colors by category */
.cb-python   .carousel-badge__icon { background: #306998; color: #FFD43B; }
.cb-tf       .carousel-badge__icon { background: #FF6F00; color: white; }
.cb-pytorch  .carousel-badge__icon { background: #EE4C2C; color: white; }
.cb-react    .carousel-badge__icon { background: #61DAFB; color: #20232a; }
.cb-node     .carousel-badge__icon { background: #339933; color: white; }
.cb-sql      .carousel-badge__icon { background: #4479A1; color: white; }
.cb-aws      .carousel-badge__icon { background: #FF9900; color: #232F3E; }
.cb-docker   .carousel-badge__icon { background: #2496ED; color: white; }
.cb-js       .carousel-badge__icon { background: #F7DF1E; color: #323330; }
.cb-ts       .carousel-badge__icon { background: #3178C6; color: white; }
.cb-git      .carousel-badge__icon { background: #F05032; color: white; }
.cb-pandas   .carousel-badge__icon { background: #150458; color: white; }
.cb-sklearn  .carousel-badge__icon { background: #F89939; color: white; }
.cb-flask    .carousel-badge__icon { background: var(--ink); color: white; }
.cb-mongo    .carousel-badge__icon { background: #47A248; color: white; }
.cb-figma    .carousel-badge__icon { background: #F24E1E; color: white; }
.cb-nextjs   .carousel-badge__icon { background: var(--ink); color: white; }
.cb-html     .carousel-badge__icon { background: #E34F26; color: white; }
.cb-css      .carousel-badge__icon { background: #1572B6; color: white; }
.cb-gcp      .carousel-badge__icon { background: #4285F4; color: white; }
.cb-keras    .carousel-badge__icon { background: #D00000; color: white; }
.cb-opencv   .carousel-badge__icon { background: #5C3EE8; color: white; }
.cb-spark    .carousel-badge__icon { background: #E25A1C; color: white; }
.cb-linux    .carousel-badge__icon { background: #FCC624; color: #333; }
.cb-tableau  .carousel-badge__icon { background: #E97627; color: white; }
.cb-power    .carousel-badge__icon { background: #F2C811; color: #333; }

/* ═══════════════════════════════════════════
   12. PROJECTS
   ═══════════════════════════════════════════ */
.projects__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(380px, 1fr));
  gap: var(--sp-6);
}

.project-card {
  background: var(--white);
  border-radius: var(--r-xl);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid rgba(205, 180, 219, 0.1);
  transition: all var(--dur-normal) var(--ease-spring);
  display: flex;
  flex-direction: column;
}

.project-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
}

.project-card__image {
  width: 100%;
  aspect-ratio: 16/10;
  object-fit: cover;
  border-bottom: 1px solid rgba(0,0,0,0.05);
}

.project-card__body {
  padding: var(--sp-6);
  flex: 1;
  display: flex;
  flex-direction: column;
}

.project-card__category {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-1);
  padding: var(--sp-1) var(--sp-3);
  border-radius: var(--r-full);
  font-size: var(--fs-caption);
  font-weight: 600;
  letter-spacing: var(--ls-wide);
  text-transform: uppercase;
  margin-bottom: var(--sp-3);
  width: fit-content;
}

.project-card__category--ds   { background: rgba(205, 180, 219, 0.2); color: #7c5e99; }
.project-card__category--ml   { background: rgba(255, 175, 204, 0.2); color: #c45a7a; }
.project-card__category--fs   { background: rgba(189, 224, 254, 0.2); color: #4a7fb5; }

.project-card__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--fs-h3);
  margin-bottom: var(--sp-3);
  line-height: var(--lh-snug);
}

.project-card__desc {
  color: var(--text-secondary);
  font-size: var(--fs-small);
  line-height: var(--lh-normal);
  margin-bottom: var(--sp-4);
  flex: 1;
}

.project-card__meta {
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
}

.project-card__approach {
  padding: var(--sp-3);
  background: var(--surface-alt);
  border-radius: var(--r-md);
  font-size: var(--fs-caption);
  color: var(--text-secondary);
  line-height: var(--lh-normal);
}

.project-card__approach strong {
  color: var(--text-primary);
  font-weight: 600;
}

.project-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-1);
}

.project-tag {
  padding: 2px var(--sp-2);
  background: var(--surface-alt);
  border-radius: var(--r-sm);
  font-size: 0.7rem;
  font-weight: 500;
  color: var(--text-muted);
}

.project-card__links {
  display: flex;
  gap: var(--sp-3);
  margin-top: var(--sp-3);
  padding-top: var(--sp-3);
  border-top: 1px solid rgba(0,0,0,0.06);
}

.project-link {
  font-family: var(--font-display);
  font-size: var(--fs-caption);
  font-weight: 600;
  letter-spacing: var(--ls-wide);
  text-transform: uppercase;
  color: var(--text-muted);
  transition: color var(--dur-fast) var(--ease-smooth);
  display: flex;
  align-items: center;
  gap: var(--sp-1);
}

.project-link:hover {
  color: var(--ink);
}

/* ═══════════════════════════════════════════
   13. EXPERIENCE / TIMELINE
   ═══════════════════════════════════════════ */
.timeline {
  position: relative;
  max-width: 800px;
  margin: 0 auto;
}

.timeline::before {
  content: '';
  position: absolute;
  top: 0; bottom: 0;
  left: 28px;
  width: 2px;
  background: linear-gradient(to bottom, var(--lavender), var(--hot-pink), var(--sky-blue), transparent);
}

.timeline__item {
  position: relative;
  padding-left: 72px;
  padding-bottom: var(--sp-8);
}

.timeline__dot {
  position: absolute;
  left: 18px;
  top: 6px;
  width: 22px; height: 22px;
  border-radius: 50%;
  background: var(--white);
  border: 3px solid var(--lavender);
  z-index: 1;
  transition: all var(--dur-normal) var(--ease-spring);
}

.timeline__item:hover .timeline__dot {
  transform: scale(1.3);
  border-color: var(--hot-pink);
  box-shadow: 0 0 0 6px rgba(255, 175, 204, 0.2);
}

.timeline__item:nth-child(2n) .timeline__dot {
  border-color: var(--sky-blue);
}
.timeline__item:nth-child(2n):hover .timeline__dot {
  border-color: var(--powder-blue);
  box-shadow: 0 0 0 6px rgba(189, 224, 254, 0.2);
}

.timeline__date {
  font-family: var(--font-display);
  font-size: var(--fs-caption);
  font-weight: 600;
  letter-spacing: var(--ls-wide);
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: var(--sp-2);
}

.timeline__card {
  background: var(--white);
  padding: var(--sp-5);
  border-radius: var(--r-lg);
  box-shadow: var(--shadow-sm);
  transition: all var(--dur-normal) var(--ease-spring);
}

.timeline__item:hover .timeline__card {
  box-shadow: var(--shadow-md);
  transform: translateX(4px);
}

.timeline__role {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.1rem;
  margin-bottom: var(--sp-1);
}

.timeline__company {
  font-weight: 600;
  color: var(--text-secondary);
  font-size: var(--fs-small);
  margin-bottom: var(--sp-2);
}

.timeline__desc {
  font-size: var(--fs-small);
  color: var(--text-muted);
  line-height: var(--lh-normal);
}

.timeline__type-badge {
  display: inline-flex;
  padding: 2px var(--sp-2);
  border-radius: var(--r-full);
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: var(--ls-wide);
  text-transform: uppercase;
  margin-bottom: var(--sp-2);
}

.timeline__type-badge--work { background: rgba(205, 180, 219, 0.2); color: #7c5e99; }
.timeline__type-badge--edu  { background: rgba(189, 224, 254, 0.2); color: #4a7fb5; }
.timeline__type-badge--cert { background: rgba(255, 175, 204, 0.2); color: #c45a7a; }

/* ═══════════════════════════════════════════
   14. BLOG
   ═══════════════════════════════════════════ */
.blog__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: var(--sp-6);
}

.blog-card {
  background: var(--white);
  border-radius: var(--r-xl);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid rgba(205, 180, 219, 0.1);
  transition: all var(--dur-normal) var(--ease-spring);
  display: flex;
  flex-direction: column;
}

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

.blog-card__image {
  width: 100%;
  aspect-ratio: 16/9;
  object-fit: cover;
}

.blog-card__body {
  padding: var(--sp-5);
  flex: 1;
  display: flex;
  flex-direction: column;
}

.blog-card__meta {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  margin-bottom: var(--sp-3);
}

.blog-card__date {
  font-size: var(--fs-caption);
  color: var(--text-muted);
  font-weight: 500;
}

.blog-card__tag {
  padding: 2px var(--sp-2);
  background: rgba(205, 180, 219, 0.15);
  border-radius: var(--r-full);
  font-size: 0.65rem;
  font-weight: 600;
  color: #7c5e99;
  text-transform: uppercase;
  letter-spacing: var(--ls-wide);
}

.blog-card__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.15rem;
  margin-bottom: var(--sp-2);
  line-height: var(--lh-snug);
}

.blog-card__excerpt {
  font-size: var(--fs-small);
  color: var(--text-secondary);
  line-height: var(--lh-normal);
  flex: 1;
}

.blog-card__read {
  margin-top: var(--sp-3);
  font-family: var(--font-display);
  font-size: var(--fs-caption);
  font-weight: 600;
  letter-spacing: var(--ls-wide);
  text-transform: uppercase;
  color: var(--text-muted);
  transition: color var(--dur-fast);
  display: inline-flex;
  align-items: center;
  gap: var(--sp-1);
}

.blog-card:hover .blog-card__read {
  color: var(--ink);
}

/* ═══════════════════════════════════════════
   15. TESTIMONIALS
   ═══════════════════════════════════════════ */
.testimonials__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: var(--sp-6);
}

.testimonial-card {
  background: var(--white);
  border-radius: var(--r-xl);
  padding: var(--sp-6);
  box-shadow: var(--shadow-sm);
  border: 1px solid rgba(205, 180, 219, 0.1);
  transition: all var(--dur-normal) var(--ease-spring);
  position: relative;
}

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

.testimonial-card__quote-mark {
  font-family: Georgia, serif;
  font-size: 4rem;
  line-height: 1;
  color: var(--lavender);
  opacity: 0.4;
  position: absolute;
  top: var(--sp-4);
  right: var(--sp-5);
}

.testimonial-card__text {
  font-size: 1rem;
  line-height: var(--lh-normal);
  color: var(--text-secondary);
  font-style: italic;
  margin-bottom: var(--sp-5);
  position: relative;
  z-index: 1;
}

.testimonial-card__author {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
}

.testimonial-card__avatar {
  width: 44px; height: 44px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--lavender), var(--sky-blue));
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  color: var(--ink);
}

.testimonial-card__name {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--fs-small);
}

.testimonial-card__role {
  font-size: var(--fs-caption);
  color: var(--text-muted);
}

/* ═══════════════════════════════════════════
   16. CONTACT
   ═══════════════════════════════════════════ */
.contact__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-12);
  align-items: start;
}

.contact__form {
  display: flex;
  flex-direction: column;
  gap: var(--sp-4);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
}

.form-group label {
  font-family: var(--font-display);
  font-size: var(--fs-small);
  font-weight: 600;
  letter-spacing: var(--ls-wide);
}

.form-group input,
.form-group textarea {
  padding: var(--sp-3) var(--sp-4);
  background: var(--white);
  border: 2px solid rgba(205, 180, 219, 0.2);
  border-radius: var(--r-md);
  font-family: var(--font-body);
  font-size: var(--fs-body);
  color: var(--ink);
  transition: all var(--dur-normal) var(--ease-spring);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 4px rgba(255, 175, 204, 0.15);
}

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

.contact__form-actions {
  display: flex;
  align-items: center;
  gap: var(--sp-4);
  flex-wrap: wrap;
}

.contact__form-status {
  padding: var(--sp-4);
  border-radius: var(--r-md);
  font-size: var(--fs-small);
  line-height: var(--lh-normal);
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  animation: fadeUp 0.3s var(--ease-spring) forwards;
}

.contact__form-status--success {
  background: rgba(74, 222, 128, 0.15);
  border: 1px solid rgba(74, 222, 128, 0.5);
  color: #166534;
}

.contact__form-status--error {
  background: rgba(248, 113, 113, 0.15);
  border: 1px solid rgba(248, 113, 113, 0.5);
  color: #991b1b;
}

.contact__info {
  display: flex;
  flex-direction: column;
  gap: var(--sp-6);
}

.contact__info-block h3 {
  font-family: var(--font-display);
  font-weight: 700;
  margin-bottom: var(--sp-3);
}

.contact__info-block p {
  color: var(--text-secondary);
  margin-bottom: var(--sp-4);
}

.contact__socials {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-3);
}

.social-link {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  padding: var(--sp-2) var(--sp-4);
  background: var(--white);
  border: 1px solid rgba(205, 180, 219, 0.2);
  border-radius: var(--r-full);
  font-family: var(--font-display);
  font-size: var(--fs-small);
  font-weight: 500;
  color: var(--text-secondary);
  transition: all var(--dur-normal) var(--ease-spring);
}

.social-link:hover {
  transform: translateY(-3px) scale(1.03);
  box-shadow: var(--shadow-md);
  color: var(--ink);
  border-color: var(--accent-primary);
}

.social-link__icon {
  width: 20px; height: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ═══════════════════════════════════════════
   17. FOOTER
   ═══════════════════════════════════════════ */
.footer {
  padding: var(--sp-10) 0 var(--sp-6);
  border-top: 1px solid rgba(205, 180, 219, 0.15);
  background: var(--surface);
}

.footer__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--sp-4);
}

.footer__copy {
  font-size: var(--fs-small);
  color: var(--text-muted);
}

.footer__socials {
  display: flex;
  gap: var(--sp-3);
}

.footer__social {
  width: 40px; height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--surface-alt);
  color: var(--text-muted);
  transition: all var(--dur-normal) var(--ease-spring);
}

.footer__social:hover {
  background: var(--accent-primary);
  color: var(--ink);
  transform: translateY(-3px) scale(1.1);
}

.footer__social svg {
  width: 18px; height: 18px;
}

/* ═══════════════════════════════════════════
   18. SCROLL REVEAL ANIMATIONS
   ═══════════════════════════════════════════ */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity var(--dur-reveal) var(--ease-spring),
              transform var(--dur-reveal) var(--ease-spring);
}

.reveal--left {
  transform: translateX(-40px) translateY(0);
}

.reveal--right {
  transform: translateX(40px) translateY(0);
}

.reveal--scale {
  transform: scale(0.9);
}

.reveal.revealed {
  opacity: 1;
  transform: translateY(0) translateX(0) scale(1);
}

/* Stagger children */
.reveal-stagger > * {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity var(--dur-reveal) var(--ease-spring),
              transform var(--dur-reveal) var(--ease-spring);
}

.reveal-stagger.revealed > *:nth-child(1) { transition-delay: 0ms; }
.reveal-stagger.revealed > *:nth-child(2) { transition-delay: 80ms; }
.reveal-stagger.revealed > *:nth-child(3) { transition-delay: 160ms; }
.reveal-stagger.revealed > *:nth-child(4) { transition-delay: 240ms; }
.reveal-stagger.revealed > *:nth-child(5) { transition-delay: 320ms; }
.reveal-stagger.revealed > *:nth-child(6) { transition-delay: 400ms; }
.reveal-stagger.revealed > *:nth-child(7) { transition-delay: 480ms; }
.reveal-stagger.revealed > *:nth-child(8) { transition-delay: 560ms; }

.reveal-stagger.revealed > * {
  opacity: 1;
  transform: translateY(0);
}

/* ═══════════════════════════════════════════
   19. REDUCED MOTION
   ═══════════════════════════════════════════ */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .reveal, .reveal--left, .reveal--right, .reveal--scale {
    opacity: 1;
    transform: none;
  }

  .reveal-stagger > * {
    opacity: 1;
    transform: none;
  }

  .carousel-track {
    animation: none;
  }

  .hero__orb {
    animation: none;
  }
}

/* ═══════════════════════════════════════════
   20. RESPONSIVE
   ═══════════════════════════════════════════ */

/* Tablet */
@media (max-width: 1024px) {
  .about__grid {
    grid-template-columns: 1fr;
    gap: var(--sp-8);
  }

  .about__image-wrap {
    max-width: 400px;
    margin: 0 auto;
  }

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

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

/* Mobile */
@media (max-width: 768px) {
  :root {
    --nav-height: 64px;
  }

  .container {
    padding: 0 var(--sp-4);
  }

  .section {
    padding: var(--sp-12) 0;
  }

  .nav__links {
    display: none;
  }

  .nav__toggle {
    display: flex;
  }

  .hero__content {
    padding-top: var(--sp-8);
  }

  .hero__cta {
    flex-direction: column;
  }

  .hero__cta .btn {
    text-align: center;
    justify-content: center;
  }

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

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

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

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

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

  .timeline::before {
    left: 16px;
  }

  .timeline__item {
    padding-left: 52px;
  }

  .timeline__dot {
    left: 7px;
    width: 18px; height: 18px;
  }

  .footer__inner {
    flex-direction: column;
    text-align: center;
  }

  .hero__scroll-hint {
    display: none;
  }
}

/* Small mobile */
@media (max-width: 480px) {
  .hero {
    min-height: auto;
    padding-top: calc(var(--nav-height) + var(--sp-8));
    padding-bottom: var(--sp-10);
  }

  .contact__socials {
    flex-direction: column;
  }

  .social-link {
    justify-content: center;
  }
}

/* ═══════════════════════════════════════════
   21. MISC UTILITIES
   ═══════════════════════════════════════════ */
.gradient-text {
  background: linear-gradient(135deg, var(--lavender), var(--hot-pink), var(--sky-blue));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.divider {
  width: 60px;
  height: 4px;
  background: linear-gradient(90deg, var(--lavender), var(--hot-pink));
  border-radius: var(--r-full);
  margin: var(--sp-4) 0;
}

.stats-row {
  display: flex;
  gap: var(--sp-8);
  margin-top: var(--sp-6);
  flex-wrap: wrap;
}

.stat {
  text-align: center;
}

.stat__number {
  font-family: var(--font-display);
  font-size: var(--fs-h2);
  font-weight: 700;
  line-height: 1;
}

.stat__label {
  font-size: var(--fs-caption);
  color: var(--text-muted);
  margin-top: var(--sp-1);
}

/* Page-specific background tints */
.page-services { background: var(--surface-alt); }
.page-skills { background: var(--surface); }
.page-projects { background: var(--surface-alt); }
.page-experience { background: var(--surface); }
.page-education { background: var(--surface-alt); }
.page-certificates { background: var(--surface); }
.page-youtube { background: var(--surface-alt); }
.page-contact { background: var(--surface); }

/* Hero meta chips */
.hero__meta-chips {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-3);
  margin-top: var(--sp-6);
  margin-bottom: var(--sp-8);
}

.hero__chip {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  padding: var(--sp-2) var(--sp-4);
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(205, 180, 219, 0.3);
  border-radius: var(--r-full);
  font-size: var(--fs-caption);
  font-weight: 500;
  color: var(--text-secondary);
  box-shadow: var(--shadow-sm);
}

.hero__chip-icon {
  width: 14px;
  height: 14px;
  color: #7c5e99;
}

/* Services Grid */
.services__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--sp-6);
}

.service-card {
  background: var(--white);
  border-radius: var(--r-xl);
  padding: var(--sp-8);
  border: 1px solid rgba(205, 180, 219, 0.2);
  box-shadow: var(--shadow-sm);
  transition: all var(--dur-normal) var(--ease-spring);
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--lavender), var(--hot-pink));
  opacity: 0;
  transition: opacity var(--dur-normal) var(--ease-smooth);
}

.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(205, 180, 219, 0.5);
}

.service-card:hover::before {
  opacity: 1;
}

.service-card__icon {
  width: 48px;
  height: 48px;
  border-radius: var(--r-md);
  background: rgba(205, 180, 219, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: var(--sp-5);
  color: #7c5e99;
}

.service-card__title {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: var(--sp-2);
  color: var(--ink);
}

.service-card__desc {
  font-size: var(--fs-small);
  color: var(--text-secondary);
  line-height: var(--lh-normal);
  margin-bottom: var(--sp-4);
}

.service-card__list {
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
  margin-bottom: var(--sp-6);
  flex: 1;
}

.service-card__item {
  display: flex;
  align-items: flex-start;
  gap: var(--sp-2);
  font-size: var(--fs-small);
  color: var(--text-secondary);
}

.service-card__item-check {
  color: #7c5e99;
  font-weight: 700;
  margin-top: 1px;
}

.service-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-1);
  padding-top: var(--sp-4);
  border-top: 1px solid rgba(205, 180, 219, 0.15);
}

/* Education Grid */
.education__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--sp-6);
}

.education-card {
  background: var(--white);
  border-radius: var(--r-xl);
  padding: var(--sp-8);
  border: 1px solid rgba(205, 180, 219, 0.2);
  box-shadow: var(--shadow-sm);
  transition: all var(--dur-normal) var(--ease-spring);
  position: relative;
  display: flex;
  flex-direction: column;
}

.education-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
}

.education-card__top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: var(--sp-4);
}

.education-card__grade-badge {
  padding: var(--sp-2) var(--sp-4);
  background: linear-gradient(135deg, rgba(205,180,219,0.25), rgba(189,224,254,0.25));
  border: 1px solid rgba(205, 180, 219, 0.4);
  border-radius: var(--r-full);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  color: var(--ink);
}

.education-card__period {
  font-size: var(--fs-caption);
  color: var(--text-muted);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: var(--ls-wide);
  margin-bottom: var(--sp-2);
}

.education-card__school {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: var(--sp-1);
}

.education-card__degree {
  font-size: var(--fs-small);
  color: var(--text-secondary);
  font-weight: 500;
  margin-bottom: var(--sp-4);
}

.education-card__desc {
  font-size: var(--fs-small);
  color: var(--text-muted);
  line-height: var(--lh-normal);
  border-top: 1px solid rgba(205, 180, 219, 0.15);
  padding-top: var(--sp-4);
  margin-top: auto;
}

/* Certifications Grid */
.certifications__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--sp-6);
}

.cert-card {
  background: var(--white);
  border-radius: var(--r-lg);
  padding: var(--sp-6);
  border: 1px solid rgba(205, 180, 219, 0.2);
  box-shadow: var(--shadow-sm);
  transition: all var(--dur-normal) var(--ease-spring);
  display: flex;
  flex-direction: column;
}

.cert-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: rgba(255, 175, 204, 0.5);
}

.cert-card__number {
  font-family: var(--font-display);
  font-size: var(--fs-caption);
  font-weight: 600;
  color: #7c5e99;
  letter-spacing: var(--ls-wide);
  text-transform: uppercase;
  margin-bottom: var(--sp-2);
}

.cert-card__title {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: var(--sp-2);
}

.cert-card__desc {
  font-size: var(--fs-small);
  color: var(--text-secondary);
  line-height: var(--lh-normal);
  margin-bottom: var(--sp-4);
  flex: 1;
}

.cert-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-1);
}

/* YouTube Showcase Section */
.youtube-showcase {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: var(--sp-10);
  align-items: center;
  background: var(--white);
  border-radius: var(--r-xl);
  padding: var(--sp-10);
  border: 1px solid rgba(205, 180, 219, 0.2);
  box-shadow: var(--shadow-md);
}

@media (max-width: 900px) {
  .youtube-showcase {
    grid-template-columns: 1fr;
    padding: var(--sp-6);
  }
}

.youtube-card__banner {
  background: linear-gradient(135deg, rgba(205,180,219,0.3), rgba(255,200,221,0.3));
  border-radius: var(--r-lg);
  padding: var(--sp-8);
  border: 1px solid rgba(205, 180, 219, 0.3);
  text-align: center;
}

.youtube-card__logo {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 64px;
  height: 64px;
  background: #ff0000;
  color: #fff;
  border-radius: 50%;
  margin-bottom: var(--sp-4);
  box-shadow: 0 4px 16px rgba(255, 0, 0, 0.3);
}

.youtube-card__channel {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: var(--sp-1);
}

.youtube-card__handle {
  font-size: var(--fs-small);
  color: var(--text-muted);
  font-weight: 500;
  margin-bottom: var(--sp-6);
}

.youtube-topics-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-3);
  margin-top: var(--sp-4);
}

.youtube-topic-pill {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  padding: var(--sp-3);
  background: var(--surface);
  border-radius: var(--r-md);
  font-size: var(--fs-small);
  font-weight: 500;
  color: var(--ink);
  border: 1px solid rgba(205, 180, 219, 0.2);
}