/* ==========================================================================
   Naitik Patidar — Portfolio v2
   Design System
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Fraunces:opsz,wght@9..144,400;9..144,500;9..144,600&family=Inter:wght@400;500;600&family=JetBrains+Mono:wght@400;500&display=swap');

/* --------------------------------------------------------------------------
   Color Tokens — Light Mode (original palette preserved)
   -------------------------------------------------------------------------- */
:root {
  --cream:        #F6F1E3;
  --beige:        #ECE0C6;
  --beige-deep:   #DCCBA1;
  --green:        #9FCB7A;
  --green-soft:   #C9E3B0;
  --green-deep:   #2E4328;
  --ink:          #2B2B22;
  --ink-soft:     #5B5A47;
  --mustard:      #E3A63E;
  --mustard-soft: #F5D48B;
  --white:        #FFFDF8;

  /* Glass / surface */
  --card-bg:      rgba(255, 253, 248, 0.7);
  --card-border:  rgba(46, 67, 40, 0.12);
  --nav-bg:       rgba(246, 241, 227, 0.85);

  /* Shadows */
  --shadow-sm:    0 2px 8px rgba(46, 67, 40, 0.08);
  --shadow-md:    0 8px 32px rgba(46, 67, 40, 0.12);
  --shadow-lg:    0 20px 60px rgba(46, 67, 40, 0.18);

  /* Type */
  --font-display: 'Fraunces', serif;
  --font-body:    'Inter', sans-serif;
  --font-mono:    'JetBrains Mono', monospace;

  /* Layout */
  --maxw: 1140px;
  --radius: 16px;
  --radius-sm: 8px;
  --radius-xs: 6px;

  /* Transitions */
  --ease: cubic-bezier(0.4, 0, 0.2, 1);
  --t-fast: 0.18s;
  --t-med: 0.35s;
  --t-slow: 0.6s;
}

/* --------------------------------------------------------------------------
   Dark Mode
   -------------------------------------------------------------------------- */
[data-theme="dark"] {
  --cream:        #1A1C14;
  --beige:        #22271A;
  --beige-deep:   #2E3424;
  --green:        #9FCB7A;
  --green-soft:   #4A6B35;
  --green-deep:   #E8E4D6;
  --ink:          #E8E4D6;
  --ink-soft:     #9B9880;
  --mustard:      #E3A63E;
  --mustard-soft: #6B4A1A;
  --white:        #22271A;

  --card-bg:      rgba(34, 39, 26, 0.8);
  --card-border:  rgba(159, 203, 122, 0.15);
  --nav-bg:       rgba(26, 28, 20, 0.9);

  --shadow-sm:    0 2px 8px rgba(0, 0, 0, 0.3);
  --shadow-md:    0 8px 32px rgba(0, 0, 0, 0.4);
  --shadow-lg:    0 20px 60px rgba(0, 0, 0, 0.5);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  background: var(--cream);
  color: var(--ink);
  font-family: var(--font-body);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  transition: background var(--t-med) var(--ease), color var(--t-med) var(--ease);
  overflow-x: hidden;
}

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

/* --------------------------------------------------------------------------
   Typography
   -------------------------------------------------------------------------- */
h1, h2, h3, h4, h5 {
  font-family: var(--font-display);
  color: var(--green-deep);
  font-weight: 500;
  line-height: 1.1;
  letter-spacing: -0.02em;
}

[data-theme="dark"] h1,
[data-theme="dark"] h2,
[data-theme="dark"] h3,
[data-theme="dark"] h4,
[data-theme="dark"] h5 {
  color: #E8E4D6;
}

h1 { font-size: clamp(2.8rem, 7vw, 5rem); }
h2 { font-size: clamp(2rem, 4vw, 3rem); }
h3 { font-size: clamp(1.3rem, 2.5vw, 1.6rem); }
h4 { font-size: 1.1rem; }

p { color: var(--ink); }

.mono {
  font-family: var(--font-mono);
  font-size: 0.82rem;
}

.muted { color: var(--ink-soft); }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--ink-soft);
  margin-bottom: 20px;
}
.eyebrow::before {
  content: '';
  width: 8px; height: 8px;
  background: var(--mustard);
  border-radius: 50%;
  flex-shrink: 0;
}

/* --------------------------------------------------------------------------
   Layout
   -------------------------------------------------------------------------- */
.wrap {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 28px;
}

.section {
  padding: 100px 0;
}

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

.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

/* --------------------------------------------------------------------------
   Navigation
   -------------------------------------------------------------------------- */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: var(--nav-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--card-border);
  transition: all var(--t-med) var(--ease);
}

.nav--scrolled {
  box-shadow: var(--shadow-md);
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 28px;
  max-width: var(--maxw);
  margin: 0 auto;
  transition: padding var(--t-med) var(--ease);
}

.nav--scrolled .nav__inner {
  padding: 12px 28px;
}

.nav__logo {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 500;
  color: var(--green-deep);
  letter-spacing: -0.03em;
}

.nav__logo span {
  color: var(--mustard);
}

.nav__links {
  display: flex;
  align-items: center;
  gap: 36px;
}

.nav__links a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--ink-soft);
  transition: color var(--t-fast) var(--ease);
  position: relative;
}

.nav__links a::after {
  content: '';
  position: absolute;
  bottom: -4px; left: 0;
  width: 0; height: 2px;
  background: var(--mustard);
  border-radius: 1px;
  transition: width var(--t-fast) var(--ease);
}

.nav__links a:hover,
.nav__links a.active {
  color: var(--green-deep);
}

.nav__links a:hover::after,
.nav__links a.active::after {
  width: 100%;
}

.nav__right {
  display: flex;
  align-items: center;
  gap: 12px;
}

/* Theme Toggle */
.theme-toggle {
  width: 38px; height: 38px;
  border-radius: 50%;
  background: var(--beige);
  border: 1.5px solid var(--card-border);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--t-fast) var(--ease);
  color: var(--ink-soft);
  font-size: 1rem;
}

.theme-toggle:hover {
  background: var(--beige-deep);
  color: var(--green-deep);
  transform: rotate(15deg);
}

/* Nav CTA */
.btn-nav {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  padding: 9px 20px;
  border-radius: 999px;
  background: var(--green-deep);
  color: var(--cream);
  border: 1.5px solid var(--green-deep);
  transition: all var(--t-fast) var(--ease);
  letter-spacing: 0.04em;
}

.btn-nav:hover {
  background: transparent;
  color: var(--green-deep);
  transform: translateY(-1px);
}

[data-theme="dark"] .btn-nav {
  background: var(--green);
  border-color: var(--green);
  color: var(--green-deep);
}

[data-theme="dark"] .btn-nav:hover {
  background: transparent;
  color: var(--green);
  border-color: var(--green);
}

/* Mobile Nav Toggle */
.nav__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 6px;
  cursor: pointer;
}

.nav__hamburger span {
  display: block;
  width: 22px; height: 2px;
  background: var(--ink);
  border-radius: 1px;
  transition: all var(--t-fast) var(--ease);
}

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

/* --------------------------------------------------------------------------
   Hero Section
   -------------------------------------------------------------------------- */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding-top: 80px;
}

#particle-canvas {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 0;
}

.hero__inner {
  position: relative;
  z-index: 1;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 28px;
  width: 100%;
}

.hero__tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--green-deep);
  background: var(--green-soft);
  padding: 6px 14px;
  border-radius: 999px;
  margin-bottom: 28px;
  opacity: 0;
  animation: fadeUp 0.6s var(--ease) 0.2s forwards;
}

[data-theme="dark"] .hero__tag {
  background: rgba(159, 203, 122, 0.15);
}

.hero__tag-dot {
  width: 6px; height: 6px;
  background: var(--green);
  border-radius: 50%;
  animation: pulse 2s infinite;
}

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

.hero__title {
  font-size: clamp(3rem, 8vw, 5.5rem);
  line-height: 1.02;
  margin-bottom: 8px;
  opacity: 0;
  animation: fadeUp 0.7s var(--ease) 0.35s forwards;
}

.hero__title .name {
  color: var(--green-deep);
}

.hero__typewriter-wrap {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 3.8rem);
  font-weight: 500;
  line-height: 1.1;
  color: var(--mustard);
  min-height: 1.2em;
  margin-bottom: 32px;
  opacity: 0;
  animation: fadeUp 0.7s var(--ease) 0.5s forwards;
}

.cursor {
  display: inline-block;
  width: 3px;
  background: var(--mustard);
  margin-left: 3px;
  animation: blink 0.9s step-end infinite;
  vertical-align: text-bottom;
  height: 0.85em;
  border-radius: 1px;
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}

.hero__desc {
  font-size: 1.15rem;
  color: var(--ink-soft);
  max-width: 560px;
  line-height: 1.7;
  margin-bottom: 44px;
  opacity: 0;
  animation: fadeUp 0.7s var(--ease) 0.65s forwards;
}

.hero__actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  opacity: 0;
  animation: fadeUp 0.7s var(--ease) 0.8s forwards;
}

.hero__scroll {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--ink-soft);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  opacity: 0;
  animation: fadeUp 0.7s var(--ease) 1.1s forwards;
}

.hero__scroll-line {
  width: 1px; height: 50px;
  background: linear-gradient(to bottom, var(--mustard), transparent);
  animation: scrollLine 2s ease infinite;
}

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

/* --------------------------------------------------------------------------
   Buttons
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  letter-spacing: 0.04em;
  padding: 14px 28px;
  border-radius: 999px;
  transition: all var(--t-fast) var(--ease);
  cursor: pointer;
  border: 1.5px solid transparent;
  font-weight: 500;
}

.btn--primary {
  background: var(--green-deep);
  color: var(--cream);
  border-color: var(--green-deep);
}

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

[data-theme="dark"] .btn--primary {
  background: var(--green);
  border-color: var(--green);
  color: #1A1C14;
}

[data-theme="dark"] .btn--primary:hover {
  background: transparent;
  color: var(--green);
}

.btn--ghost {
  background: transparent;
  color: var(--green-deep);
  border-color: var(--green-deep);
}

.btn--ghost:hover {
  background: var(--green-deep);
  color: var(--cream);
  transform: translateY(-2px);
}

[data-theme="dark"] .btn--ghost {
  color: var(--green);
  border-color: var(--green);
}

[data-theme="dark"] .btn--ghost:hover {
  background: var(--green);
  color: #1A1C14;
}

.btn--mustard {
  background: var(--mustard);
  color: var(--green-deep);
  border-color: var(--mustard);
}

.btn--mustard:hover {
  background: transparent;
  color: var(--mustard);
  transform: translateY(-2px);
}

/* --------------------------------------------------------------------------
   Stats / Counters
   -------------------------------------------------------------------------- */
.stats {
  background: var(--green-deep);
  padding: 60px 0;
}

.stats__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  text-align: center;
}

.stat-item {
  padding: 20px;
  border-right: 1px solid rgba(255,255,255,0.1);
}

.stat-item:last-child { border-right: none; }

.stat-item__num {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 5vw, 3.8rem);
  font-weight: 500;
  color: var(--green);
  line-height: 1;
  margin-bottom: 6px;
}

.stat-item__num .suffix {
  color: var(--mustard);
}

.stat-item__label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.55);
}

/* --------------------------------------------------------------------------
   Cards — General
   -------------------------------------------------------------------------- */
.card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  overflow: hidden;
  backdrop-filter: blur(8px);
  transition: transform var(--t-med) var(--ease), box-shadow var(--t-med) var(--ease);
}

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

/* --------------------------------------------------------------------------
   Project Flip Cards
   -------------------------------------------------------------------------- */
.flip-card {
  height: 320px;
  perspective: 1000px;
}

.flip-card__inner {
  width: 100%;
  height: 100%;
  position: relative;
  transform-style: preserve-3d;
  transition: transform 0.55s var(--ease);
}

.flip-card:hover .flip-card__inner {
  transform: rotateY(180deg);
}

.flip-card__front,
.flip-card__back {
  position: absolute;
  inset: 0;
  border-radius: var(--radius);
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  padding: 32px;
  display: flex;
  flex-direction: column;
  border: 1px solid var(--card-border);
}

.flip-card__front {
  background: var(--card-bg);
  backdrop-filter: blur(8px);
  justify-content: space-between;
}

.flip-card__back {
  background: var(--green-deep);
  transform: rotateY(180deg);
  justify-content: space-between;
}

.flip-card__icon {
  font-size: 2.5rem;
  margin-bottom: 16px;
}

.flip-card__title {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 500;
  color: var(--green-deep);
  margin-bottom: 12px;
}

[data-theme="dark"] .flip-card__title {
  color: #E8E4D6;
}

.flip-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: auto;
}

.flip-card__back .flip-card__desc {
  color: rgba(255,255,255,0.85);
  font-size: 0.95rem;
  line-height: 1.6;
  flex: 1;
}

.flip-card__back .flip-card__links {
  display: flex;
  gap: 12px;
  margin-top: 20px;
}

.flip-card__back .flip-card__links a {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--green);
  border: 1px solid var(--green);
  padding: 7px 16px;
  border-radius: 999px;
  transition: all var(--t-fast) var(--ease);
}

.flip-card__back .flip-card__links a:hover {
  background: var(--green);
  color: var(--green-deep);
}

/* --------------------------------------------------------------------------
   Tags / Pills
   -------------------------------------------------------------------------- */
.tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  padding: 4px 10px;
  border-radius: 999px;
  background: var(--beige);
  color: var(--ink-soft);
  border: 1px solid var(--beige-deep);
  transition: all var(--t-fast) var(--ease);
}

.tag--green {
  background: var(--green-soft);
  color: var(--green-deep);
  border-color: var(--green);
}

.tag--mustard {
  background: var(--mustard-soft);
  color: var(--green-deep);
  border-color: var(--mustard);
}

[data-theme="dark"] .tag {
  background: rgba(255,255,255,0.06);
  border-color: rgba(255,255,255,0.1);
  color: var(--ink-soft);
}

[data-theme="dark"] .tag--green {
  background: rgba(159, 203, 122, 0.15);
  border-color: rgba(159, 203, 122, 0.3);
  color: var(--green);
}

/* --------------------------------------------------------------------------
   Filter Bar
   -------------------------------------------------------------------------- */
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 48px;
}

.filter-btn {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  padding: 8px 20px;
  border-radius: 999px;
  border: 1.5px solid var(--card-border);
  background: transparent;
  color: var(--ink-soft);
  cursor: pointer;
  transition: all var(--t-fast) var(--ease);
}

.filter-btn:hover,
.filter-btn.active {
  background: var(--green-deep);
  border-color: var(--green-deep);
  color: var(--cream);
}

[data-theme="dark"] .filter-btn:hover,
[data-theme="dark"] .filter-btn.active {
  background: var(--green);
  border-color: var(--green);
  color: #1A1C14;
}

/* --------------------------------------------------------------------------
   Blog Cards
   -------------------------------------------------------------------------- */
.blog-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 32px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  transition: all var(--t-med) var(--ease);
  backdrop-filter: blur(8px);
}

.blog-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--green-soft);
}

.blog-card__meta {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.blog-card__date {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--ink-soft);
}

.blog-card__read {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--mustard);
}

.blog-card__title {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 500;
  color: var(--green-deep);
  line-height: 1.25;
  transition: color var(--t-fast) var(--ease);
}

.blog-card:hover .blog-card__title {
  color: var(--mustard);
}

.blog-card__excerpt {
  color: var(--ink-soft);
  font-size: 0.95rem;
  line-height: 1.65;
  flex: 1;
}

.blog-card__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 4px;
}

.read-more {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--green-deep);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: gap var(--t-fast) var(--ease), color var(--t-fast) var(--ease);
}

.read-more:hover {
  gap: 10px;
  color: var(--mustard);
}

/* --------------------------------------------------------------------------
   Search Bar
   -------------------------------------------------------------------------- */
.search-wrap {
  position: relative;
  max-width: 480px;
  margin-bottom: 32px;
}

.search-wrap input {
  width: 100%;
  padding: 14px 48px 14px 20px;
  background: var(--card-bg);
  border: 1.5px solid var(--card-border);
  border-radius: 999px;
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--ink);
  outline: none;
  transition: all var(--t-fast) var(--ease);
  backdrop-filter: blur(8px);
}

.search-wrap input::placeholder { color: var(--ink-soft); }

.search-wrap input:focus {
  border-color: var(--green);
  box-shadow: 0 0 0 3px rgba(159, 203, 122, 0.2);
}

.search-wrap__icon {
  position: absolute;
  right: 18px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--ink-soft);
  pointer-events: none;
}

/* --------------------------------------------------------------------------
   Skills Section
   -------------------------------------------------------------------------- */
.skills-marquee {
  overflow: hidden;
  padding: 28px 0;
  background: var(--beige);
  border-top: 1px solid var(--card-border);
  border-bottom: 1px solid var(--card-border);
  position: relative;
}

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

.skills-marquee::before {
  left: 0;
  background: linear-gradient(to right, var(--beige), transparent);
}

.skills-marquee::after {
  right: 0;
  background: linear-gradient(to left, var(--beige), transparent);
}

[data-theme="dark"] .skills-marquee::before {
  background: linear-gradient(to right, var(--beige), transparent);
}

[data-theme="dark"] .skills-marquee::after {
  background: linear-gradient(to left, var(--beige), transparent);
}

.skills-marquee__track {
  display: flex;
  gap: 16px;
  width: max-content;
  animation: marquee 25s linear infinite;
}

.skills-marquee__track:hover {
  animation-play-state: paused;
}

@keyframes marquee {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

.skill-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 18px;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--ink-soft);
  white-space: nowrap;
  backdrop-filter: blur(4px);
}

.skill-pill__icon { font-size: 1rem; }

/* --------------------------------------------------------------------------
   YouTube Section
   -------------------------------------------------------------------------- */
.youtube-section {
  background: var(--beige);
}

.yt-embed-wrap {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--card-border);
  aspect-ratio: 16/9;
  box-shadow: var(--shadow-lg);
}

.yt-embed-wrap--short {
  aspect-ratio: 9/16;
  max-width: 340px;
  margin: 0 auto;
}

.yt-embed-wrap iframe {
  width: 100%;
  height: 100%;
  display: block;
}

.yt-cta-wrap {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 24px;
}

.yt-cta-wrap p {
  color: var(--ink-soft);
  line-height: 1.7;
  font-size: 1.05rem;
}

/* --------------------------------------------------------------------------
   About — Timeline
   -------------------------------------------------------------------------- */
.timeline {
  position: relative;
  padding-left: 32px;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 7px; top: 8px; bottom: 8px;
  width: 2px;
  background: linear-gradient(to bottom, var(--mustard), var(--green));
  border-radius: 1px;
}

.timeline-item {
  position: relative;
  margin-bottom: 36px;
}

.timeline-item::before {
  content: '';
  position: absolute;
  left: -28px; top: 6px;
  width: 12px; height: 12px;
  border-radius: 50%;
  background: var(--mustard);
  border: 2px solid var(--cream);
  box-shadow: 0 0 0 2px var(--mustard);
}

.timeline-item__year {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  color: var(--mustard);
  margin-bottom: 4px;
}

.timeline-item__title {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 500;
  color: var(--green-deep);
  margin-bottom: 6px;
}

.timeline-item__desc {
  color: var(--ink-soft);
  font-size: 0.92rem;
  line-height: 1.6;
}

/* --------------------------------------------------------------------------
   Skills Grid (About page)
   -------------------------------------------------------------------------- */
.skills-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

/* --------------------------------------------------------------------------
   Cert Card
   -------------------------------------------------------------------------- */
.cert-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 20px;
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 16px;
  backdrop-filter: blur(8px);
  transition: all var(--t-med) var(--ease);
}

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

.cert-card__image {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: contain;
  background: var(--card-border);
  border-radius: calc(var(--radius) - 4px);
  margin-bottom: 8px;
}

.cert-card__placeholder {
  width: 100%;
  aspect-ratio: 4/3;
  border-radius: calc(var(--radius) - 4px);
  margin-bottom: 8px;
  background: linear-gradient(90deg, var(--card-border) 0%, #e8e3d5 50%, var(--card-border) 100%);
  background-size: 200% 100%;
  animation: shimmer 2s infinite linear;
}

@keyframes shimmer {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}

.cert-card__title {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 500;
  color: var(--green-deep);
  margin-bottom: 4px;
}

.cert-card__org {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--mustard);
  letter-spacing: 0.06em;
}

/* --------------------------------------------------------------------------
   Contact
   -------------------------------------------------------------------------- */
.contact-form {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 48px;
  backdrop-filter: blur(12px);
}

.form-group {
  margin-bottom: 24px;
}

.form-group label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin-bottom: 8px;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 14px 18px;
  background: var(--beige);
  border: 1.5px solid var(--card-border);
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--ink);
  outline: none;
  transition: all var(--t-fast) var(--ease);
  resize: vertical;
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--green);
  background: var(--white);
  box-shadow: 0 0 0 3px rgba(159, 203, 122, 0.15);
}

[data-theme="dark"] .form-group input,
[data-theme="dark"] .form-group textarea {
  background: rgba(255,255,255,0.05);
  border-color: rgba(255,255,255,0.1);
}

[data-theme="dark"] .form-group input:focus,
[data-theme="dark"] .form-group textarea:focus {
  background: rgba(255,255,255,0.08);
  border-color: var(--green);
}

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

.social-card {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 20px 24px;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-sm);
  backdrop-filter: blur(8px);
  transition: all var(--t-fast) var(--ease);
}

.social-card:hover {
  border-color: var(--green);
  transform: translateX(4px);
  box-shadow: var(--shadow-sm);
}

.social-card__icon {
  width: 40px; height: 40px;
  border-radius: var(--radius-xs);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  flex-shrink: 0;
}

.social-card__label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin-bottom: 2px;
}

.social-card__handle {
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--green-deep);
}

/* --------------------------------------------------------------------------
   Reading Progress Bar
   -------------------------------------------------------------------------- */
.reading-progress {
  position: fixed;
  top: 0; left: 0;
  height: 3px;
  background: linear-gradient(to right, var(--mustard), var(--green));
  z-index: 2000;
  width: 0%;
  transition: width 0.1s linear;
}

/* --------------------------------------------------------------------------
   Blog Post Page
   -------------------------------------------------------------------------- */
.prose {
  max-width: 720px;
  margin: 0 auto;
}

.prose h2 {
  font-size: 1.8rem;
  margin: 48px 0 20px;
}

.prose h3 {
  font-size: 1.3rem;
  margin: 36px 0 16px;
}

.prose p {
  font-size: 1.05rem;
  line-height: 1.8;
  color: var(--ink-soft);
  margin-bottom: 20px;
}

.prose ul {
  list-style: disc;
  padding-left: 24px;
  color: var(--ink-soft);
  margin-bottom: 20px;
}

.prose ul li {
  margin-bottom: 8px;
  line-height: 1.7;
  font-size: 1.05rem;
}

.prose code {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  background: var(--beige);
  padding: 2px 7px;
  border-radius: 4px;
  color: var(--green-deep);
}

.prose pre {
  background: var(--green-deep);
  border-radius: var(--radius-sm);
  padding: 24px;
  overflow-x: auto;
  margin: 28px 0;
}

.prose pre code {
  background: none;
  color: var(--green-soft);
  padding: 0;
  font-size: 0.88rem;
}

.prose blockquote {
  border-left: 3px solid var(--mustard);
  padding: 12px 24px;
  margin: 28px 0;
  background: var(--beige);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

.prose blockquote p {
  margin: 0;
  font-style: italic;
  color: var(--ink-soft);
}

/* --------------------------------------------------------------------------
   Section Headers
   -------------------------------------------------------------------------- */
.section-header {
  margin-bottom: 60px;
}

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

.section-header p {
  color: var(--ink-soft);
  font-size: 1.1rem;
  max-width: 560px;
  margin-top: 16px;
  line-height: 1.7;
}

.section-header--center p {
  margin: 16px auto 0;
}

/* --------------------------------------------------------------------------
   Footer
   -------------------------------------------------------------------------- */
.footer {
  background: var(--green-deep);
  padding: 60px 0 32px;
}

.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}

.footer__brand {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 500;
  color: var(--cream);
  margin-bottom: 16px;
  letter-spacing: -0.02em;
}

.footer__brand span { color: var(--mustard); }

.footer__bio {
  color: rgba(255,255,255,0.55);
  font-size: 0.95rem;
  line-height: 1.7;
  margin-bottom: 24px;
  max-width: 300px;
}

.footer__socials {
  display: flex;
  gap: 12px;
}

.footer__social-link {
  width: 36px; height: 36px;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.6);
  transition: all var(--t-fast) var(--ease);
  font-size: 0.9rem;
}

.footer__social-link:hover {
  border-color: var(--green);
  color: var(--green);
  transform: translateY(-2px);
}

.footer__col-title {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.4);
  margin-bottom: 20px;
}

.footer__links {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer__links a {
  color: rgba(255,255,255,0.6);
  font-size: 0.92rem;
  transition: color var(--t-fast) var(--ease);
}

.footer__links a:hover {
  color: var(--green);
}

.footer__bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding-top: 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

.footer__copy {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: rgba(255,255,255,0.35);
  letter-spacing: 0.04em;
}

.footer__made {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: rgba(255,255,255,0.35);
}

.footer__made span {
  color: var(--mustard);
}

/* --------------------------------------------------------------------------
   Page Hero (inner pages)
   -------------------------------------------------------------------------- */
.page-hero {
  padding: 160px 0 80px;
  background: var(--beige);
  border-bottom: 1px solid var(--card-border);
}

.page-hero__title { margin-bottom: 16px; }

.page-hero__desc {
  color: var(--ink-soft);
  font-size: 1.1rem;
  max-width: 540px;
  line-height: 1.7;
}

/* --------------------------------------------------------------------------
   Reveal Animations
   -------------------------------------------------------------------------- */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity var(--t-slow) var(--ease), transform var(--t-slow) var(--ease);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal--delay-1 { transition-delay: 0.1s; }
.reveal--delay-2 { transition-delay: 0.2s; }
.reveal--delay-3 { transition-delay: 0.3s; }
.reveal--delay-4 { transition-delay: 0.4s; }
.reveal--delay-5 { transition-delay: 0.5s; }

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

/* --------------------------------------------------------------------------
   No results
   -------------------------------------------------------------------------- */
.no-results {
  text-align: center;
  padding: 80px 20px;
  color: var(--ink-soft);
  font-family: var(--font-mono);
  font-size: 0.9rem;
  display: none;
}

/* --------------------------------------------------------------------------
   Responsive
   -------------------------------------------------------------------------- */
@media (max-width: 1024px) {
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .stats__grid { grid-template-columns: repeat(2, 1fr); }
  .stat-item { border-right: none; border-bottom: 1px solid rgba(255,255,255,0.1); }
  .stat-item:nth-child(odd) { border-right: 1px solid rgba(255,255,255,0.1); }
  .footer__grid { grid-template-columns: 1fr 1fr; }
  .footer__grid > :first-child { grid-column: 1 / -1; }
}

@media (max-width: 768px) {
  .section { padding: 72px 0; }

  .nav__links {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: var(--cream);
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 32px;
    transform: translateX(100%);
    transition: transform var(--t-med) var(--ease);
    z-index: 999;
  }

  .nav__links.open {
    transform: translateX(0);
  }

  .nav__links a {
    font-size: 1.4rem;
    color: var(--green-deep);
  }

  .nav__hamburger {
    display: flex;
    z-index: 1001;
    position: relative;
  }

  .btn-nav { display: none; }
  .theme-toggle { z-index: 1001; position: relative; }


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

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

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

  .hero__actions { flex-direction: column; align-items: flex-start; }

  .hero__scroll { display: none; }

  .contact-form { padding: 28px 24px; }

  .page-hero { padding: 130px 0 60px; }
}

@media (max-width: 600px) {
  .grid-2 { grid-template-columns: 1fr; }
  .grid-3 { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
  .wrap { padding: 0 20px; }
  .nav__inner { padding: 16px 20px; }
  .stats__grid { grid-template-columns: 1fr; }
  .stat-item { border-right: none; }
}