/* ════════════════════════════════════════════════════════
   ANKIT GHOSH PORTFOLIO — style.css
   Theme: Cream / Sketch / Handcrafted Light Mode
   ════════════════════════════════════════════════════════ */

/* ──────────────── RESET & ROOT ──────────────── */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

:root {
  --cream:        #F7F3EC;
  --cream-dark:   #EDE8DE;
  --cream-darker: #E3DDD0;
  --ink:          #1A1208;
  --ink-light:    #3D3320;
  --ink-mid:      #6B5D44;
  --ink-faint:    #A89880;
  --accent:       #C8703A;
  --accent-hover: #B05C28;
  --accent-light: #F2D5B8;
  --green:        #3A7A4A;
  --blue:         #2C5F8A;
  --paper:        #FDFAF4;
  --paper-shadow: rgba(0,0,0,0.07);

  --font-hand:    'Caveat', cursive;
  --font-serif:   'Crimson Pro', serif;
  --font-mono:    'Space Mono', monospace;
  --font-sans:    'Inter', sans-serif;

  --r-sm:  8px;
  --r-md:  16px;
  --r-lg:  24px;
  --r-xl:  40px;

  --shadow-sm: 0 2px 8px rgba(0,0,0,0.06);
  --shadow-md: 0 6px 24px rgba(0,0,0,0.09);
  --shadow-lg: 0 16px 56px rgba(0,0,0,0.12);
  --shadow-card: 2px 4px 16px rgba(0,0,0,0.08), 0 1px 3px rgba(0,0,0,0.06);
}

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

body {
  background: var(--cream);
  color: var(--ink);
  font-family: var(--font-sans);
  line-height: 1.6;
  overflow-x: hidden;
}

/* Paper texture overlay */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='300' height='300'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='300' height='300' filter='url(%23n)' opacity='0.04'/%3E%3C/svg%3E");
  pointer-events: none;
  z-index: 0;
  opacity: 0.5;
}

section { position: relative; }

/* ──────────────── TYPOGRAPHY ──────────────── */
.section-eyebrow {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.5rem;
}
.section-eyebrow.center { text-align: center; }
.section-heading {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 300;
  color: var(--ink);
  line-height: 1.15;
  margin-bottom: 1.5rem;
}
.section-heading.center { text-align: center; }
.section-heading em { font-style: italic; color: var(--accent); }

/* ──────────────── BUTTONS ──────────────── */
.btn-primary {
  display: inline-block;
  background: var(--ink);
  color: var(--cream);
  padding: 0.75rem 2rem;
  border-radius: 40px;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  letter-spacing: 0.05em;
  text-decoration: none;
  border: 2px solid var(--ink);
  transition: all 0.25s ease;
  cursor: pointer;
}
.btn-primary:hover { background: var(--accent); border-color: var(--accent); transform: translateY(-2px); box-shadow: var(--shadow-md); }
.btn-primary.full-width { width: 100%; text-align: center; }

.btn-ghost {
  display: inline-block;
  background: transparent;
  color: var(--ink);
  padding: 0.75rem 2rem;
  border-radius: 40px;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  letter-spacing: 0.05em;
  text-decoration: none;
  border: 2px solid var(--ink-mid);
  transition: all 0.25s ease;
}
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); transform: translateY(-2px); }

/* ──────────────── NAV ──────────────── */
#main-nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 3rem;
  background: rgba(247, 243, 236, 0.9);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--cream-darker);
  transition: all 0.3s ease;
}
#main-nav.scrolled {
  padding: 0.65rem 3rem;
  box-shadow: var(--shadow-sm);
}
.nav-logo {
  font-family: var(--font-hand);
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--ink);
  letter-spacing: -0.02em;
}
.nav-logo .dot { color: var(--accent); }
.nav-links {
  display: flex;
  gap: 2rem;
  list-style: none;
}
.nav-links a {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.05em;
  color: var(--ink-mid);
  text-decoration: none;
  text-transform: uppercase;
  transition: color 0.2s;
  position: relative;
}
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -2px; left: 0; right: 0;
  height: 1px;
  background: var(--accent);
  transform: scaleX(0);
  transition: transform 0.2s;
}
.nav-links a:hover { color: var(--accent); }
.nav-links a:hover::after { transform: scaleX(1); }
.nav-resume-btn {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--accent);
  text-decoration: none;
  border: 1.5px solid var(--accent);
  padding: 0.4rem 1rem;
  border-radius: 20px;
  transition: all 0.2s;
}
.nav-resume-btn:hover { background: var(--accent); color: var(--cream); }
.nav-hamburger { display: none; background: none; border: none; font-size: 1.5rem; cursor: pointer; color: var(--ink); }

/* ──────────────── HERO ──────────────── */
#hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  text-align: center;
  padding: 8rem 2rem 4rem;
  position: relative;
  overflow: hidden;
  background: var(--cream);
}

.hero-noise {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 50% 30%, rgba(200, 112, 58, 0.06) 0%, transparent 70%),
    radial-gradient(ellipse 60% 80% at 20% 80%, rgba(44, 95, 138, 0.04) 0%, transparent 60%);
  pointer-events: none;
}

/* Sketch grid lines in hero */
#hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--cream-dark) 1px, transparent 1px),
    linear-gradient(90deg, var(--cream-dark) 1px, transparent 1px);
  background-size: 60px 60px;
  opacity: 0.4;
  pointer-events: none;
}

.hero-content { position: relative; z-index: 1; max-width: 800px; }

.hero-tag {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  color: var(--accent);
  text-transform: uppercase;
  margin-bottom: 1.5rem;
  display: inline-block;
  border: 1px solid var(--accent-light);
  padding: 0.3rem 1rem;
  border-radius: 20px;
  background: rgba(200, 112, 58, 0.06);
}

/* ──────────────── HANGING ID CARD ──────────────── */
.id-card-wrapper {
  position: relative;
  width: 100%;
  max-width: 540px;
  height: 470px;
  margin: 0 auto 1.5rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  perspective: 1200px;
  user-select: none;
  -webkit-user-select: none;
  touch-action: none;
}

/* Lanyard anchor peg at top */
.lanyard-anchor {
  width: 38px;
  height: 14px;
  background: var(--ink);
  border-radius: 6px 6px 0 0;
  box-shadow: 0 4px 10px rgba(0,0,0,0.2), inset 0 2px 4px rgba(255,255,255,0.3);
  position: relative;
  z-index: 10;
  margin-top: 0;
}
.lanyard-anchor::after {
  content: '';
  position: absolute;
  bottom: -6px;
  left: 50%;
  transform: translateX(-50%);
  width: 18px;
  height: 8px;
  background: #B08D57;
  border-radius: 2px;
  border: 1px solid var(--ink);
}

/* Dynamic Lanyard SVG */
.lanyard-svg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 5;
  overflow: visible;
}

/* ID Card Stage & Container */
.id-card-stage {
  position: relative;
  width: 100%;
  height: 100%;
  z-index: 6;
}

.id-card-container {
  width: min(340px, 86vw);
  height: 410px;
  position: absolute;
  top: 0;
  left: 0;
  cursor: grab;
  transform-origin: top center;
  will-change: transform;
}
.id-card-container:active {
  cursor: grabbing;
}

.id-card-3d {
  width: 100%;
  height: 100%;
  position: relative;
  transform-style: preserve-3d;
  will-change: transform;
}

/* ID Card Faces */
.id-card-face {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border-radius: 20px;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  box-shadow: 
    0 20px 40px rgba(0, 0, 0, 0.12),
    0 8px 16px rgba(0, 0, 0, 0.08),
    inset 0 1px 1px rgba(255, 255, 255, 0.8),
    inset 0 -1px 2px rgba(0, 0, 0, 0.1);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  border: 2px solid rgba(26, 18, 8, 0.85);
}

/* FRONT FACE */
.id-card-front {
  background: linear-gradient(145deg, #FDFAF4 0%, #F5EFE4 100%);
}

/* Metallic clip hole at top */
.id-card-clip-hole {
  width: 50px;
  height: 16px;
  background: var(--cream-darker);
  margin: 10px auto 4px;
  border-radius: 10px;
  border: 1.5px solid var(--ink-mid);
  position: relative;
  box-shadow: inset 0 2px 4px rgba(0,0,0,0.2);
  display: flex;
  align-items: center;
  justify-content: center;
}
.id-clip-ring {
  width: 22px;
  height: 10px;
  border-radius: 50%;
  border: 2px solid #8C7B65;
  background: linear-gradient(90deg, #D4AF37, #FFF, #AA7C11);
}
.id-clip-latch {
  position: absolute;
  top: -12px;
  width: 18px;
  height: 14px;
  background: linear-gradient(180deg, #A89880, #54493B);
  border-radius: 4px 4px 0 0;
  border: 1px solid var(--ink);
}

/* Top bar */
.id-card-top-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.35rem 1rem;
  background: var(--ink);
  color: var(--cream);
  margin-top: 2px;
}
.id-org-badge {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.12em;
  font-weight: 700;
  color: var(--accent-light);
}
.id-pass-type {
  font-family: var(--font-mono);
  font-size: 0.55rem;
  letter-spacing: 0.15em;
  background: var(--accent);
  color: var(--cream);
  padding: 0.1rem 0.4rem;
  border-radius: 4px;
  text-transform: uppercase;
}

/* Main Content */
.id-card-main-content {
  padding: 1rem 1.1rem;
  display: flex;
  gap: 1rem;
  align-items: center;
  flex: 1;
}

/* Avatar Frame */
.id-avatar-frame {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.35rem;
}
.id-avatar-circle {
  width: 82px;
  height: 82px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--ink) 0%, var(--ink-light) 100%);
  border: 3px solid var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 12px rgba(200, 112, 58, 0.25);
  position: relative;
  overflow: hidden;
}
.id-avatar-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 50%;
  display: block;
}
.id-avatar-circle::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.25), transparent);
}
.id-avatar-circle span {
  font-family: var(--font-hand);
  font-size: 2.7rem;
  font-weight: 700;
  color: var(--paper);
  letter-spacing: -0.05em;
}

.id-status-pill {
  font-family: var(--font-mono);
  font-size: 0.56rem;
  letter-spacing: 0.1em;
  color: var(--green);
  background: rgba(58, 122, 74, 0.12);
  border: 1px solid rgba(58, 122, 74, 0.3);
  padding: 0.12rem 0.45rem;
  border-radius: 10px;
  display: flex;
  align-items: center;
  gap: 0.3rem;
}
.status-dot {
  width: 6px;
  height: 6px;
  background: var(--green);
  border-radius: 50%;
  box-shadow: 0 0 6px var(--green);
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.85); }
}

/* Text Details inside ID */
.id-text-details {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  text-align: left;
}
.id-label {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.12em;
  color: var(--accent);
  text-transform: uppercase;
  font-weight: 700;
}
.id-name {
  font-family: var(--font-serif);
  font-size: 1.75rem;
  font-weight: 700;
  line-height: 1.05;
  color: var(--ink);
  margin: 0.15rem 0;
}
.id-name-accent {
  color: var(--accent);
  font-style: italic;
}
.id-tagline {
  font-family: var(--font-serif);
  font-size: 0.78rem;
  color: var(--ink-mid);
  font-style: italic;
  line-height: 1.3;
}

/* Bottom Fields Grid */
.id-card-bottom-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.4rem 0.8rem;
  padding: 0.5rem 1.1rem;
  background: rgba(237, 232, 222, 0.6);
  border-top: 1px dashed var(--ink-faint);
  border-bottom: 1px dashed var(--ink-faint);
  text-align: left;
}
.id-field {
  display: flex;
  flex-direction: column;
}
.field-label {
  font-family: var(--font-mono);
  font-size: 0.52rem;
  color: var(--ink-faint);
  letter-spacing: 0.08em;
}
.field-val {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 700;
  color: var(--ink);
}

/* Card Footer */
.id-card-footer {
  padding: 0.5rem 1.1rem 0.7rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--paper);
}
.id-barcode-graphic {
  height: 26px;
  width: 140px;
  background: repeating-linear-gradient(
    90deg,
    var(--ink) 0px,
    var(--ink) 2px,
    transparent 2px,
    transparent 4px,
    var(--ink) 4px,
    var(--ink) 7px,
    transparent 7px,
    transparent 8px,
    var(--ink) 8px,
    var(--ink) 11px
  );
  border-radius: 2px;
  opacity: 0.85;
}
.id-chip-graphic {
  width: 32px;
  height: 24px;
  background: linear-gradient(135deg, #E6CA65, #B08D57);
  border-radius: 4px;
  border: 1.5px solid #8C7B65;
  position: relative;
  padding: 2px;
  box-shadow: inset 0 1px 2px rgba(255,255,255,0.6);
}
.chip-inner {
  width: 100%;
  height: 100%;
  border: 1px solid rgba(0,0,0,0.3);
  border-radius: 2px;
  background: repeating-linear-gradient(45deg, transparent, transparent 2px, rgba(0,0,0,0.1) 2px, rgba(0,0,0,0.1) 4px);
}

/* BACK FACE STYLING */
.id-card-back {
  background: linear-gradient(145deg, #1A1208 0%, #2A1F13 100%);
  color: var(--cream);
  transform: rotateY(180deg);
  border-color: var(--accent);
}
.id-mag-stripe {
  width: 100%;
  height: 40px;
  background: linear-gradient(180deg, #111, #333 50%, #111);
  margin-top: 8px;
  box-shadow: inset 0 2px 4px rgba(0,0,0,0.8);
}
.id-back-content {
  padding: 1rem 1.1rem;
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
  flex: 1;
}
.id-qr-section {
  display: flex;
  align-items: center;
  gap: 0.8rem;
}
.id-qr-box {
  width: 64px;
  height: 64px;
  background: #FFF;
  border-radius: 6px;
  padding: 4px;
  flex-shrink: 0;
}
.qr-pattern {
  width: 100%;
  height: 100%;
  background-image: 
    radial-gradient(#1A1208 35%, transparent 35%),
    radial-gradient(#1A1208 35%, transparent 35%);
  background-size: 8px 8px;
  background-position: 0 0, 4px 4px;
  border: 2px solid #1A1208;
}
.qr-label {
  font-family: var(--font-mono);
  font-size: 0.58rem;
  letter-spacing: 0.1em;
  color: var(--accent-light);
  line-height: 1.4;
  text-align: left;
}
.id-back-info {
  text-align: left;
}
.id-back-heading {
  font-family: var(--font-mono);
  font-size: 0.58rem;
  letter-spacing: 0.15em;
  color: var(--accent);
  margin-bottom: 0.2rem;
}
.id-back-desc {
  font-family: var(--font-serif);
  font-size: 0.8rem;
  color: var(--cream-dark);
  line-height: 1.35;
  margin-bottom: 0.5rem;
}
.id-back-links {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  font-family: var(--font-mono);
  font-size: 0.58rem;
  color: var(--ink-faint);
}
.id-back-footer {
  padding: 0.5rem 1.1rem;
  border-top: 1px dashed rgba(255,255,255,0.15);
  font-family: var(--font-mono);
  font-size: 0.58rem;
  color: var(--cream-dark);
  text-align: left;
}
.id-back-footer em {
  font-family: var(--font-hand);
  font-size: 1.1rem;
  color: var(--accent-light);
  margin-left: 0.4rem;
}

/* Hint below ID card */
.id-card-hint {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--ink-mid);
  background: rgba(237, 232, 222, 0.85);
  border: 1px solid var(--cream-darker);
  padding: 0.35rem 0.9rem;
  border-radius: 20px;
  position: absolute;
  bottom: -6px;
  z-index: 8;
  pointer-events: none;
  box-shadow: var(--shadow-sm);
  backdrop-filter: blur(4px);
  animation: hintFloat 3s ease-in-out infinite;
}
@keyframes hintFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-4px); }
}

.hero-subtitle {
  font-family: var(--font-serif);
  font-size: 1.2rem;
  color: var(--ink-mid);
  margin-bottom: 2.5rem;
  font-weight: 300;
  line-height: 1.7;
}
.hero-subtitle em { color: var(--ink); font-style: italic; }

.hero-cta-row {
  display: flex;
  gap: 1rem;
  justify-content: center;
  margin-bottom: 3rem;
  flex-wrap: wrap;
}

.hero-pills {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  justify-content: center;
}
.hero-pills span {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  color: var(--ink-mid);
  border: 1px solid var(--cream-darker);
  background: var(--paper);
  padding: 0.25rem 0.75rem;
  border-radius: 12px;
}

.hero-scroll-hint {
  position: relative;
  margin-top: 2.5rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  z-index: 1;
}
.hero-scroll-hint span {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--ink-faint);
}
.scroll-arrow {
  width: 20px;
  height: 20px;
  border-right: 1.5px solid var(--ink-faint);
  border-bottom: 1.5px solid var(--ink-faint);
  transform: rotate(45deg);
  animation: arrowBounce 1.5s infinite;
}
@keyframes arrowBounce {
  0%, 100% { transform: rotate(45deg) translateY(0); }
  50% { transform: rotate(45deg) translateY(5px); }
}

/* ──────────────── ABOUT ──────────────── */
#about {
  padding: 7rem 3rem;
  background: var(--paper);
  border-top: 1px solid var(--cream-darker);
  border-bottom: 1px solid var(--cream-darker);
}
.about-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: 5rem;
  align-items: start;
}
.sketch-avatar {
  width: 200px;
  height: 200px;
  position: relative;
  margin: 0 auto 2rem;
}
.sa-circle {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  border: 2px solid var(--ink-mid);
  background: var(--cream-dark);
  position: relative;
  /* Sketch imperfect circle via clip-path */
}
.sa-initials {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-hand);
  font-size: 4rem;
  font-weight: 700;
  color: var(--ink);
  letter-spacing: -0.05em;
}
.sa-deco {
  position: absolute;
  border: 1.5px solid var(--accent);
  border-radius: 50%;
  opacity: 0.4;
}
.sa-deco-1 { width: 220px; height: 220px; top: -10px; left: -10px; animation: spin 20s linear infinite; }
.sa-deco-2 { width: 240px; height: 240px; top: -20px; left: -20px; border-style: dashed; animation: spin 30s linear infinite reverse; }
@keyframes spin { to { transform: rotate(360deg); } }

.about-quick-facts { display: flex; flex-direction: column; gap: 0.75rem; }
.qf-item {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.85rem;
  color: var(--ink-mid);
  font-family: var(--font-sans);
}
.qf-icon { font-size: 1rem; }

.about-bio {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  color: var(--ink-light);
  line-height: 1.75;
  margin-bottom: 1rem;
}
.about-bio strong { color: var(--ink); font-weight: 600; }

.skills-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  margin-top: 2rem;
}
.skill-cat h4 {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.6rem;
}
.skill-tags { display: flex; flex-wrap: wrap; gap: 0.4rem; }
.skill-tags span {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  padding: 0.2rem 0.65rem;
  background: var(--cream);
  border: 1px solid var(--cream-darker);
  border-radius: 8px;
  color: var(--ink-light);
}

/* ──────────────── PROJECTS SECTION ──────────────── */
#projects-section {
  padding: 7rem 2rem;
  background: var(--cream);
}
#projects-section > .section-eyebrow,
#projects-section > .section-heading {
  margin-bottom: 0.5rem;
}
#projects-section > .section-heading { margin-bottom: 3rem; }

/* ──── MONITOR ──── */
.device-wrapper { display: flex; flex-direction: column; align-items: center; }

.monitor-wrapper { margin-bottom: 3rem; }

.monitor-frame {
  width: min(820px, 92vw);
  background: var(--cream-dark);
  border: 2px solid var(--ink-mid);
  border-radius: 18px 18px 6px 6px;
  box-shadow: var(--shadow-lg), inset 0 1px 0 rgba(255,255,255,0.5);
  overflow: hidden;
  position: relative;
}

.monitor-brand-strip {
  padding: 0.5rem 1.2rem;
  border-bottom: 1.5px solid var(--ink-mid);
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--cream-darker);
}
.monitor-brand-strip span {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.3em;
  color: var(--ink-mid);
}

.monitor-screen-outer {
  background: var(--paper);
  margin: 0.75rem;
  border-radius: 8px;
  border: 1.5px solid var(--cream-darker);
  overflow: hidden;
  height: 420px;
  position: relative;
}

.monitor-screen {
  position: relative;
  height: 100%;
  overflow-y: auto;
}

/* Custom scrollbar for monitor screen */
.monitor-screen::-webkit-scrollbar {
  width: 6px;
}
.monitor-screen::-webkit-scrollbar-track {
  background: var(--cream-dark);
}
.monitor-screen::-webkit-scrollbar-thumb {
  background: var(--ink-faint);
  border-radius: 4px;
}
.monitor-screen::-webkit-scrollbar-thumb:hover {
  background: var(--accent);
}

/* Project Slides */
.project-slide {
  display: none;
  padding: 2rem;
  animation: slideIn 0.35s ease;
}
.project-slide.active { display: block; }

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

.slide-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.5rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--cream-darker);
}
.slide-category {
  font-family: var(--font-hand);
  font-size: 1.7rem;
  color: var(--ink);
  font-weight: 700;
}

.slide-projects { display: flex; flex-direction: column; gap: 1rem; }

.proj-card {
  background: var(--cream);
  border: 1.5px solid var(--cream-darker);
  border-radius: var(--r-md);
  padding: 1.25rem 1.5rem;
  transition: all 0.25s ease;
  position: relative;
  overflow: hidden;
}
.proj-card::before {
  content: '';
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 3px;
  background: var(--accent);
  transform: scaleY(0);
  transition: transform 0.25s ease;
  transform-origin: bottom;
}
.proj-card:hover { border-color: var(--accent); transform: translateX(4px); box-shadow: var(--shadow-card); }
.proj-card:hover::before { transform: scaleY(1); }
.proj-card.highlight-card { background: rgba(200, 112, 58, 0.04); }

.proj-card-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 0.5rem;
}
.proj-title {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--ink);
}
.proj-link {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--accent);
  text-decoration: none;
  white-space: nowrap;
  border: 1px solid var(--accent-light);
  padding: 0.2rem 0.5rem;
  border-radius: 8px;
  transition: all 0.2s;
  flex-shrink: 0;
}
.proj-link:hover { background: var(--accent); color: var(--cream); }
.proj-desc {
  font-size: 0.85rem;
  color: var(--ink-mid);
  line-height: 1.6;
  margin-bottom: 0.75rem;
}
.proj-tags { display: flex; flex-wrap: wrap; gap: 0.3rem; }
.proj-tags span {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  padding: 0.15rem 0.5rem;
  background: var(--cream-dark);
  border: 1px solid var(--cream-darker);
  border-radius: 6px;
  color: var(--ink-mid);
}

/* Monitor nav */
.monitor-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  padding: 0.75rem;
  background: var(--cream-darker);
  border-top: 1.5px solid var(--ink-mid);
}
.mon-nav-btn {
  background: none;
  border: 1.5px solid var(--ink-mid);
  width: 30px; height: 30px;
  border-radius: 50%;
  cursor: pointer;
  font-size: 1rem;
  color: var(--ink-mid);
  display: flex; align-items: center; justify-content: center;
  transition: all 0.2s;
}
.mon-nav-btn:hover { background: var(--ink); color: var(--cream); }
.mon-slide-indicator { display: flex; gap: 0.5rem; }
.mon-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--ink-faint);
  cursor: pointer;
  transition: all 0.25s;
  position: relative;
}
.mon-dot::after {
  content: attr(title);
  position: absolute;
  bottom: 14px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--ink);
  color: var(--cream);
  font-size: 0.6rem;
  font-family: var(--font-mono);
  padding: 0.15rem 0.4rem;
  border-radius: 4px;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s;
}
.mon-dot:hover::after { opacity: 1; }
.mon-dot.active { background: var(--accent); transform: scale(1.3); }
.monitor-scroll-hint {
  text-align: center;
  padding: 0.4rem;
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.1em;
  color: var(--ink-faint);
  background: var(--cream-darker);
}

/* Monitor stand */
.monitor-stand { display: flex; flex-direction: column; align-items: center; }
.monitor-neck {
  width: 60px; height: 40px;
  background: var(--cream-darker);
  border-left: 2px solid var(--ink-mid);
  border-right: 2px solid var(--ink-mid);
  border-bottom: 2px solid var(--ink-mid);
  clip-path: polygon(20% 0%, 80% 0%, 100% 100%, 0% 100%);
}
.monitor-base {
  width: 200px; height: 14px;
  background: var(--cream-darker);
  border: 2px solid var(--ink-mid);
  border-radius: 40px;
}

/* ──── DEVICE SECTION LABEL ──── */
.device-section-label {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  max-width: 820px;
  width: 92%;
  margin: 3rem auto;
}
.label-line { flex: 1; height: 1px; background: var(--cream-darker); }
.device-section-label span {
  font-family: var(--font-hand);
  font-size: 1.4rem;
  color: var(--ink-mid);
  white-space: nowrap;
}

/* ──── MOBILE DEVICE ──── */
.mobile-wrapper { margin-bottom: 2rem; }

.mobile-frame {
  width: 320px;
  background: var(--cream-dark);
  border: 2px solid var(--ink-mid);
  border-radius: 44px;
  padding: 1.5rem 0.75rem;
  box-shadow: var(--shadow-lg);
  position: relative;
}
.mobile-notch {
  width: 90px; height: 22px;
  background: var(--cream-darker);
  border: 2px solid var(--ink-mid);
  border-radius: 16px;
  margin: 0 auto 1rem;
}
.mobile-screen {
  background: var(--paper);
  border-radius: 28px;
  padding: 1.5rem 1.2rem;
  min-height: 380px;
  border: 1.5px solid var(--cream-darker);
  overflow: hidden;
}
.mobile-home-indicator {
  width: 100px; height: 5px;
  background: var(--ink-mid);
  border-radius: 4px;
  margin: 1rem auto 0;
  opacity: 0.4;
}

.mp-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
}
.mp-category {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
}
.mp-badge {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  background: var(--accent-light);
  color: var(--accent);
  padding: 0.15rem 0.5rem;
  border-radius: 8px;
}
.mp-title {
  font-family: var(--font-serif);
  font-size: 1.3rem;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 0.2rem;
}
.mp-sub {
  font-size: 0.78rem;
  color: var(--ink-faint);
  margin-bottom: 0.75rem;
}
.mp-desc {
  font-size: 0.8rem;
  color: var(--ink-mid);
  line-height: 1.6;
  margin-bottom: 1rem;
}
.mp-stats {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 1rem;
}
.mp-stat {
  flex: 1;
  text-align: center;
  background: var(--cream);
  border: 1px solid var(--cream-darker);
  border-radius: 10px;
  padding: 0.5rem 0.25rem;
}
.stat-val { display: block; font-family: var(--font-hand); font-size: 1.1rem; color: var(--accent); font-weight: 700; }
.stat-lab { display: block; font-size: 0.6rem; color: var(--ink-faint); font-family: var(--font-mono); }
.mp-tags { display: flex; flex-wrap: wrap; gap: 0.25rem; margin-bottom: 1rem; }
.mp-tags span {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  padding: 0.12rem 0.4rem;
  background: var(--cream-dark);
  border: 1px solid var(--cream-darker);
  border-radius: 6px;
  color: var(--ink-mid);
}
.mp-link {
  display: block;
  text-align: center;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--ink);
  text-decoration: none;
  border: 1.5px solid var(--ink);
  padding: 0.5rem;
  border-radius: 12px;
  transition: all 0.2s;
}
.mp-link:hover { background: var(--ink); color: var(--cream); }
.mobile-project-card {
  display: none;
  animation: slideIn 0.35s ease;
}
.mobile-project-card.active {
  display: block;
}
.mobile-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  margin-top: 0.85rem;
}
.mob-nav-btn {
  background: var(--cream);
  border: 1px solid var(--cream-darker);
  border-radius: 50%;
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--ink-mid);
  cursor: pointer;
  transition: all 0.2s;
  padding: 0;
  line-height: 1;
}
.mob-nav-btn:hover {
  background: var(--ink);
  color: var(--cream);
  border-color: var(--ink);
}
.mobile-nav-dots { display: flex; gap: 0.4rem; justify-content: center; align-items: center; }
.mob-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--ink-faint);
  cursor: pointer;
  transition: all 0.2s;
}
.mob-dot.active {
  background: var(--accent);
  transform: scale(1.25);
}

/* ──── BOOK / RESEARCH ──── */
.book-section {
  max-width: 820px;
  width: 92%;
  margin: 0 auto 2rem;
}
.book-wrapper {
  display: grid;
  grid-template-columns: 50px 100px 1fr;
  gap: 0;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  min-height: 280px;
}
.book-spine {
  background: var(--accent);
  border-right: 1px solid var(--accent-hover);
  width: 50px;
}
.book-cover {
  background: var(--cream-darker);
  border-right: 2px solid var(--ink-mid);
  padding: 1.5rem 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
}
.book-cover-inner { transform: rotate(-90deg); white-space: nowrap; text-align: center; }
.book-cover-label {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.3rem;
}
.book-cover-title {
  font-family: var(--font-hand);
  font-size: 1.4rem;
  color: var(--ink);
  font-weight: 700;
}
.book-pages { position: relative; }
.book-page {
  display: none;
  position: absolute;
  inset: 0;
  animation: pageFlip 0.3s ease;
}
.book-page.active { display: block; position: static; }
@keyframes pageFlip {
  from { opacity: 0; transform: perspective(600px) rotateY(-8deg); }
  to   { opacity: 1; transform: perspective(600px) rotateY(0deg); }
}
.book-page-inner {
  padding: 2.5rem 2.5rem;
  height: 100%;
  background: var(--paper);
  border-left: 1px dashed var(--cream-darker);
  position: relative;
}
.book-page-inner::before {
  content: '';
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 1px;
  background: linear-gradient(to bottom, transparent, var(--cream-darker) 20%, var(--cream-darker) 80%, transparent);
}
.page-num {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--ink-faint);
  letter-spacing: 0.1em;
  margin-bottom: 0.75rem;
}
.page-category {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.75rem;
}
.page-title {
  font-family: var(--font-serif);
  font-size: 1.3rem;
  font-weight: 600;
  color: var(--ink);
  line-height: 1.3;
  margin-bottom: 0.4rem;
}
.page-venue {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--ink-faint);
  margin-bottom: 1rem;
}
.page-abstract {
  font-family: var(--font-serif);
  font-size: 0.95rem;
  color: var(--ink-mid);
  line-height: 1.7;
  margin-bottom: 1.25rem;
}
.page-abstract strong { color: var(--ink); }
.page-link {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--accent);
  text-decoration: none;
  border-bottom: 1px solid var(--accent-light);
  padding-bottom: 1px;
  transition: border-color 0.2s;
}
.page-link:hover { border-color: var(--accent); }

.book-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  margin-top: 1.5rem;
}
.book-nav-btn {
  background: none;
  border: 1.5px solid var(--ink-mid);
  width: 36px; height: 36px;
  border-radius: 50%;
  cursor: pointer;
  font-size: 1.2rem;
  color: var(--ink-mid);
  display: flex; align-items: center; justify-content: center;
  transition: all 0.2s;
  font-family: var(--font-serif);
}
.book-nav-btn:hover { background: var(--ink); color: var(--cream); border-color: var(--ink); }
.book-page-counter {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--ink-mid);
}

/* ──────────────── EXPERIENCE ──────────────── */
#experience-section {
  padding: 7rem 2rem;
  background: var(--paper);
  border-top: 1px solid var(--cream-darker);
}

.timeline {
  max-width: 860px;
  margin: 0 auto;
  position: relative;
  padding-left: 2rem;
}
.timeline::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.5rem;
  bottom: 0;
  width: 1.5px;
  background: linear-gradient(to bottom, var(--accent), var(--cream-darker));
}

.tl-item {
  position: relative;
  padding-left: 2.5rem;
  margin-bottom: 3rem;
}
.tl-dot {
  position: absolute;
  left: -0.45rem;
  top: 0.6rem;
  width: 14px; height: 14px;
  background: var(--cream);
  border: 2.5px solid var(--accent);
  border-radius: 50%;
  z-index: 1;
}
.tl-card {
  background: var(--cream);
  border: 1.5px solid var(--cream-darker);
  border-radius: var(--r-md);
  padding: 1.75rem 2rem;
  box-shadow: var(--shadow-sm);
  transition: all 0.25s;
}
.tl-card:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }
.tl-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 1rem;
}
.tl-company {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--ink);
}
.tl-role {
  font-size: 0.9rem;
  color: var(--accent);
  font-weight: 500;
  margin-top: 0.2rem;
}
.tl-location {
  font-size: 0.8rem;
  color: var(--ink-faint);
  margin-top: 0.2rem;
}
.tl-location a { color: var(--accent); text-decoration: none; }
.tl-date {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--ink-faint);
  white-space: nowrap;
  flex-shrink: 0;
  border: 1px solid var(--cream-darker);
  padding: 0.2rem 0.6rem;
  border-radius: 8px;
}
.tl-bullets {
  list-style: none;
  margin-bottom: 1rem;
}
.tl-bullets li {
  font-size: 0.9rem;
  color: var(--ink-mid);
  line-height: 1.65;
  padding-left: 1.2rem;
  position: relative;
  margin-bottom: 0.4rem;
}
.tl-bullets li::before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--accent);
  font-size: 0.8rem;
}
.tl-tags { display: flex; flex-wrap: wrap; gap: 0.4rem; }
.tl-tags span {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  padding: 0.15rem 0.55rem;
  background: var(--accent-light);
  color: var(--accent-hover);
  border-radius: 6px;
}

/* ──────────────── EDUCATION + CERTS ──────────────── */
#education-section {
  padding: 7rem 2rem;
  background: var(--cream);
  border-top: 1px solid var(--cream-darker);
}
.edu-certs-grid {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
}

.edu-cards { display: flex; flex-direction: column; gap: 1rem; }
.edu-card {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  background: var(--paper);
  border: 1.5px solid var(--cream-darker);
  border-radius: var(--r-md);
  padding: 1.25rem 1.5rem;
  transition: all 0.25s;
}
.edu-card.primary { border-color: var(--accent); background: rgba(200, 112, 58, 0.03); }
.edu-card:hover { box-shadow: var(--shadow-sm); transform: translateX(4px); }
.edu-icon { font-size: 1.5rem; flex-shrink: 0; }
.edu-info h3 { font-family: var(--font-serif); font-size: 1rem; font-weight: 600; color: var(--ink); margin-bottom: 0.2rem; }
.edu-degree { font-size: 0.82rem; color: var(--ink-mid); margin-bottom: 0.15rem; }
.edu-year { font-family: var(--font-mono); font-size: 0.68rem; color: var(--ink-faint); }
.edu-cgpa { font-family: var(--font-mono); font-size: 0.8rem; color: var(--accent); margin-top: 0.2rem; }
.edu-cgpa strong { color: var(--accent); }

.cert-cards { display: flex; flex-direction: column; gap: 1rem; }
.cert-card {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  background: var(--paper);
  border: 1.5px solid var(--cream-darker);
  border-radius: var(--r-md);
  padding: 1.25rem 1.5rem;
  transition: all 0.25s;
}
.cert-card.award { border-color: #B8960C; background: rgba(184, 150, 12, 0.04); }
.cert-card:hover { box-shadow: var(--shadow-sm); transform: translateX(4px); }
.cert-badge { font-size: 1.5rem; flex-shrink: 0; }
.cert-info h4 { font-family: var(--font-serif); font-size: 1rem; font-weight: 600; color: var(--ink); margin-bottom: 0.2rem; }
.cert-info p { font-size: 0.82rem; color: var(--ink-mid); }
.cert-desc { font-size: 0.8rem; color: var(--ink-mid); margin-top: 0.4rem; line-height: 1.5; }
.cert-id { font-family: var(--font-mono); font-size: 0.65rem; color: var(--ink-faint); margin-top: 0.2rem; }
.cert-link {
  display: inline-block;
  margin-top: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--accent);
  text-decoration: none;
  border-bottom: 1px solid var(--accent-light);
  transition: border-color 0.2s;
}
.cert-link:hover { border-color: var(--accent); }

/* ──────────────── CONTACT ──────────────── */
#contact {
  padding: 7rem 2rem;
  background: var(--ink);
  color: var(--cream);
}
#contact .section-eyebrow { color: var(--accent-light); }
#contact .section-heading { color: var(--cream); }
#contact .section-heading em { color: var(--accent-light); }

.contact-inner {
  max-width: 1000px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: start;
}
.contact-body {
  font-family: var(--font-serif);
  font-size: 1.05rem;
  color: rgba(247,243,236,0.7);
  line-height: 1.75;
  margin-bottom: 2rem;
}
.contact-details { display: flex; flex-direction: column; gap: 1rem; }
.contact-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: rgba(247,243,236,0.8);
  text-decoration: none;
  font-size: 0.9rem;
  transition: color 0.2s;
}
.contact-item:hover { color: var(--accent-light); }
.ci-icon {
  width: 36px; height: 36px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 0.9rem;
  flex-shrink: 0;
}

.contact-form { display: flex; flex-direction: column; gap: 1.25rem; }
.form-group { display: flex; flex-direction: column; gap: 0.4rem; }
.form-group label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(247,243,236,0.5);
}
.form-group input,
.form-group textarea {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--r-sm);
  padding: 0.85rem 1rem;
  color: var(--cream);
  font-family: var(--font-sans);
  font-size: 0.9rem;
  transition: border-color 0.2s;
  outline: none;
  resize: vertical;
}
.form-group input::placeholder,
.form-group textarea::placeholder { color: rgba(247,243,236,0.3); }
.form-group input:focus,
.form-group textarea:focus { border-color: var(--accent-light); }
.form-note {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: #6ee7b7;
  text-align: center;
}

/* ──────────────── FOOTER ──────────────── */
#main-footer {
  background: var(--ink);
  border-top: 1px solid rgba(255,255,255,0.06);
  padding: 2rem 3rem;
}
.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}
.footer-logo {
  font-family: var(--font-hand);
  font-size: 1.5rem;
  color: var(--cream);
  font-weight: 700;
}
.footer-logo .dot { color: var(--accent); }
.footer-copy { font-size: 0.78rem; color: rgba(247,243,236,0.4); }
.footer-links { display: flex; gap: 1.5rem; }
.footer-links a {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: rgba(247,243,236,0.5);
  text-decoration: none;
  transition: color 0.2s;
}
.footer-links a:hover { color: var(--accent-light); }

/* ──────────────── ANIMATIONS / OBSERVERS ──────────────── */
.fade-up {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}
.fade-up.delay-1 { transition-delay: 0.1s; }
.fade-up.delay-2 { transition-delay: 0.2s; }
.fade-up.delay-3 { transition-delay: 0.3s; }

/* ──────────────── RESPONSIVE ──────────────── */
@media (max-width: 900px) {
  .about-inner { grid-template-columns: 1fr; gap: 3rem; }
  .about-sketch-col { text-align: center; }
  .edu-certs-grid { grid-template-columns: 1fr; gap: 2.5rem; }
  .contact-inner { grid-template-columns: 1fr; gap: 3rem; }
  .skills-grid { grid-template-columns: 1fr 1fr; }
  .book-wrapper { grid-template-columns: 30px 70px 1fr; }
}

@media (max-width: 680px) {
  #main-nav { padding: 1rem 1.5rem; }
  .nav-links { display: none; }
  .nav-hamburger { display: block; }
  #hero { padding: 7rem 1.5rem 3rem; }
  .hero-name { font-size: clamp(3.5rem, 15vw, 6rem); }
  .monitor-frame { width: 95vw; }
  .skills-grid { grid-template-columns: 1fr; }
  .tl-header { flex-direction: column; }
  .book-wrapper { grid-template-columns: 20px 0px 1fr; }
  .book-cover { display: none; }
  .book-page-inner { padding: 1.5rem; }
  .edu-certs-grid { grid-template-columns: 1fr; }
  .contact-inner { grid-template-columns: 1fr; }
}