/* ============================================================
   DESIGN SYSTEM — Monochrome Glassmorphism Portfolio
   ============================================================ */

/* ---------- CSS Custom Properties (Tokens) ---------- */
:root {
  /* Color System */
  --clr-bg: #000000;
  --clr-surface: #0a0a0a;
  --clr-elevated: #111111;
  --clr-border: #1f1f1f;
  --clr-muted: #2a2a2a;
  --clr-subtle: #3a3a3a;
  --clr-text-primary: #ffffff;
  --clr-text-secondary: #a3a3a3;
  --clr-text-muted: #6b6b6b;
  --clr-accent: #ffffff;

  /* Glass */
  --glass-bg: rgba(255, 255, 255, 0.03);
  --glass-border: rgba(255, 255, 255, 0.08);
  --glass-blur: 10px;
  --glass-hover-bg: rgba(255, 255, 255, 0.06);

  /* Typography */
  --font-family: 'Inter', system-ui, -apple-system, sans-serif;
  --fs-h1: clamp(2.8rem, 6vw, 4.5rem);
  --fs-h2: clamp(1.8rem, 3.5vw, 3rem);
  --fs-h3: clamp(1.25rem, 2vw, 2rem);
  --fs-h4: 1.5rem;
  --fs-body: 1rem;
  --fs-small: 0.875rem;
  --fs-caption: 0.75rem;

  /* Spacing */
  --space-xs: 0.5rem;
  --space-sm: 0.75rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --space-4xl: 6rem;

  /* Radius */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;

  /* Transitions */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --transition-fast: 0.2s var(--ease-out);
  --transition-medium: 0.4s var(--ease-out);
  --transition-slow: 0.6s var(--ease-out);
}

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

html {
  /* Removed scroll-behavior: smooth to eliminate mouse-wheel and trackpad lag/stuck feeling */
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-family);
  background: var(--clr-bg);
  color: var(--clr-text-primary);
  font-size: var(--fs-body);
  line-height: 1.6;
  overflow-x: hidden;
  position: relative;
}

/* ---------- Dot Background Texture ---------- */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image: radial-gradient(circle, rgba(255, 255, 255, 0.07) 1.2px, transparent 1.2px);
  background-size: 24px 24px;
  pointer-events: none;
  z-index: 0;
  transform: translateZ(0);
  backface-visibility: hidden;
  will-change: transform;
}

/* Ambient glow blobs - GPU accelerated without heavy 120px filter blur */
.ambient-glow {
  position: fixed;
  border-radius: 50%;
  pointer-events: none;
  z-index: 0;
  opacity: 0.35;
  transform: translateZ(0);
  backface-visibility: hidden;
}

.ambient-glow--1 {
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.045) 0%, rgba(255, 255, 255, 0.015) 45%, transparent 70%);
  top: -200px;
  right: -200px;
  animation: float-glow 20s ease-in-out infinite;
  will-change: transform;
}

.ambient-glow--2 {
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.035) 0%, rgba(255, 255, 255, 0.01) 45%, transparent 70%);
  bottom: 10%;
  left: -150px;
  animation: float-glow 25s ease-in-out infinite reverse;
  will-change: transform;
}

@keyframes float-glow {

  0%,
  100% {
    transform: translate3d(0, 0, 0) scale(1);
  }

  33% {
    transform: translate3d(30px, -20px, 0) scale(1.05);
  }

  66% {
    transform: translate3d(-15px, 15px, 0) scale(0.97);
  }
}

/* ---------- Utility ---------- */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-xl);
  position: relative;
  z-index: 1;
}

a {
  color: inherit;
  text-decoration: none;
}

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

/* ---------- Glass Card Mixin ---------- */
.glass {
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  transform: translateZ(0);
  backface-visibility: hidden;
  transition: background var(--transition-fast), border-color var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
}

.glass:hover {
  background: var(--glass-hover-bg);
  border-color: rgba(255, 255, 255, 0.12);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

/* ============================================================
   NAVIGATION
   ============================================================ */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: var(--space-md) 0;
  transform: translateZ(0);
  transition: background var(--transition-fast), border-color var(--transition-fast);
}

.nav.scrolled {
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--glass-border);
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav__logo {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
}

.nav__logo-badge {
  display: inline-flex;
  align-items: center;
  padding: 0.35rem 0.75rem;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.1);
  font-family: ui-monospace, 'SF Mono', 'Fira Code', 'Cascadia Code', Menlo, Consolas, monospace;
  font-size: 1.15rem;
  font-weight: 800;
  letter-spacing: -0.04em;
  transition: background var(--transition-fast), border-color var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
}

.nav__logo:hover .nav__logo-badge {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.2);
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.4);
}

.nav__logo:active .nav__logo-badge {
  transform: scale(0.96);
}

.nav__logo-bracket {
  color: var(--clr-text-muted);
  transition: color var(--transition-fast);
}

.nav__logo-text {
  color: var(--clr-text-primary);
  margin: 0 1px;
}

.nav__logo:hover .nav__logo-bracket {
  color: var(--clr-text-secondary);
}

@keyframes pulse-dot {

  0%,
  100% {
    opacity: 1;
    transform: scale(1);
  }

  50% {
    opacity: 0.5;
    transform: scale(0.8);
  }
}

.nav__links {
  display: flex;
  list-style: none;
  gap: var(--space-xl);
}

.nav__link {
  font-size: var(--fs-small);
  color: var(--clr-text-secondary);
  font-weight: 500;
  letter-spacing: 0.02em;
  transition: color var(--transition-fast);
  position: relative;
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--clr-text-primary);
  transition: width var(--transition-medium);
}

.nav__link:hover,
.nav__link.active {
  color: var(--clr-text-primary);
}

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

/* Mobile menu toggle */
.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.nav__toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--clr-text-primary);
  border-radius: 2px;
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}

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

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

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

/* ============================================================
   HERO
   ============================================================ */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: var(--space-4xl) 0;
  position: relative;
}

.hero__content {
  max-width: 800px;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  padding: var(--space-xs) var(--space-md);
  border-radius: var(--radius-full);
  font-size: var(--fs-caption);
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--clr-text-secondary);
  margin-bottom: var(--space-xl);
  opacity: 0;
  animation: fade-up 0.8s var(--ease-out) 0.2s forwards;
}

.hero__badge-dot {
  width: 6px;
  height: 6px;
  background: #4ade80;
  border-radius: 50%;
  animation: pulse-dot 2s ease-in-out infinite;
}

.hero__title {
  font-size: var(--fs-h1);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.04em;
  margin-bottom: var(--space-lg);
  opacity: 0;
  animation: fade-up 0.8s var(--ease-out) 0.4s forwards;
}

.hero__title span {
  display: block;
  color: var(--clr-text-muted);
}

.hero__description {
  font-size: clamp(1rem, 1.5vw, 1.25rem);
  color: var(--clr-text-secondary);
  max-width: 560px;
  line-height: 1.7;
  margin-bottom: var(--space-2xl);
  opacity: 0;
  animation: fade-up 0.8s var(--ease-out) 0.6s forwards;
}

.hero__actions {
  display: flex;
  gap: var(--space-md);
  flex-wrap: wrap;
  opacity: 0;
  animation: fade-up 0.8s var(--ease-out) 0.8s forwards;
}

/* Buttons */

.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  padding: 0.85rem 1.75rem;
  font-family: var(--font-family);
  font-size: var(--fs-small);
  font-weight: 600;
  border: none;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all var(--transition-fast);
  letter-spacing: 0.01em;
}

.btn--primary {
  background: var(--clr-text-primary);
  color: var(--clr-bg);
}

.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(255, 255, 255, 0.15);
}

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

.btn--glass:hover {
  background: var(--glass-hover-bg);
  border-color: rgba(255, 255, 255, 0.15);
  transform: translateY(-2px);
}

.btn__icon {
  width: 16px;
  height: 16px;
}

/* ============================================================
   SECTION COMMON
   ============================================================ */
.section {
  padding: var(--space-3xl) 0;
  position: relative;
  z-index: 1;
}

.section__header {
  margin-bottom: var(--space-3xl);
}

.section__label {
  font-size: var(--fs-caption);
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--clr-text-muted);
  margin-bottom: var(--space-sm);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.section__label::before {
  content: '';
  width: 16px;
  height: 1px;
  background: var(--clr-subtle);
}

.section__title {
  font-size: var(--fs-h2);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.1;
}

.section__divider {
  display: none;
}

/* ============================================================
   ABOUT
   ============================================================ */
.about__content {
  max-width: 700px;
}

.about__content p {
  color: var(--clr-text-secondary);
  line-height: 1.8;
  margin-bottom: var(--space-md);
  font-size: clamp(1rem, 1.2vw, 1.1rem);
}

/* ============================================================
   SKILLS
   ============================================================ */
.skills__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-lg);
}

.skill-card {
  padding: var(--space-xl) var(--space-lg);
  position: relative;
  overflow: hidden;
}

.skill-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
  opacity: 0;
  transition: opacity var(--transition-fast);
}

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

.skill-card__icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.05);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-lg);
  font-size: 1.25rem;
}

.skill-card__title {
  font-size: var(--fs-h4);
  font-weight: 600;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-xs);
}

.skill-card__subtitle {
  font-size: var(--fs-small);
  color: var(--clr-text-muted);
  margin-bottom: var(--space-lg);
}

.skill-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
}

.tag {
  padding: 0.3rem 0.75rem;
  font-size: var(--fs-caption);
  font-weight: 500;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.05);
  color: var(--clr-text-secondary);
  border: 1px solid rgba(255, 255, 255, 0.06);
  transition: all var(--transition-fast);
}

.tag:hover {
  background: rgba(255, 255, 255, 0.1);
  color: var(--clr-text-primary);
  border-color: rgba(255, 255, 255, 0.15);
  transform: translateY(-1px);
}

/* ============================================================
   PROJECTS — Compact Mini Cards
   ============================================================ */
.projects__compact-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
}

.project-mini {
  display: flex;
  flex-direction: column;
  padding: var(--space-lg);
  cursor: pointer;
  position: relative;
  overflow: hidden;
  text-decoration: none;
  color: inherit;
}

.project-mini:hover {
  transform: translateY(-4px);
  border-color: rgba(255, 255, 255, 0.15);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.4), 0 0 0 1px rgba(255, 255, 255, 0.06);
}

.project-mini__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-lg);
}

.project-mini__icon {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.06);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--clr-text-secondary);
  transition: background var(--transition-fast), color var(--transition-fast);
}

.project-mini:hover .project-mini__icon {
  background: rgba(255, 255, 255, 0.1);
  color: var(--clr-text-primary);
}

.project-mini__arrow {
  color: var(--clr-text-muted);
  opacity: 0;
  transform: translate(-4px, 4px);
  transition: opacity var(--transition-fast), transform var(--transition-fast), color var(--transition-fast);
}

.project-mini:hover .project-mini__arrow {
  opacity: 1;
  transform: translate(0, 0);
  color: var(--clr-text-primary);
}

.project-mini__title {
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 2px;
  line-height: 1.3;
}

.project-mini__subtitle {
  font-size: var(--fs-caption);
  color: var(--clr-text-muted);
  font-weight: 500;
  margin-bottom: var(--space-sm);
  letter-spacing: 0.01em;
}

.project-mini__desc {
  font-size: var(--fs-small);
  color: var(--clr-text-secondary);
  line-height: 1.55;
  margin-bottom: var(--space-md);
  flex: 1;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.project-mini__techs {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  margin-top: auto;
}

.project-mini__techs .tag {
  font-size: 0.65rem;
  padding: 0.2rem 0.55rem;
}

/* ============================================================
   EDUCATION
   ============================================================ */
.edu__timeline {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  position: relative;
  padding-left: var(--space-lg);
}

.edu__timeline::before {
  content: '';
  position: absolute;
  left: 6px;
  top: 0;
  bottom: 0;
  width: 1px;
  background: linear-gradient(180deg, var(--clr-subtle), transparent);
}

.edu-card {
  padding: var(--space-lg) var(--space-xl);
  position: relative;
}

.edu-card__dot {
  position: absolute;
  left: calc(-1 * var(--space-lg) - 3px);
  top: 50%;
  transform: translateY(-50%);
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--clr-text-primary);
  box-shadow: 0 0 8px rgba(255, 255, 255, 0.3);
}

.edu-card__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-lg);
}

.edu-card__degree {
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 2px;
}

.edu-card__school {
  font-size: var(--fs-small);
  color: var(--clr-text-secondary);
}

.edu-card__year {
  font-size: var(--fs-caption);
  font-weight: 600;
  color: var(--clr-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  white-space: nowrap;
  padding: 0.3rem 0.75rem;
  background: rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-full);
  border: 1px solid rgba(255, 255, 255, 0.06);
}

/* ============================================================
   CONTACT / FOOTER
   ============================================================ */
.contact {
  padding: var(--space-4xl) 0;
}

.contact__inner {
  text-align: center;
  max-width: 600px;
  margin: 0 auto;
}

.contact__title {
  font-size: var(--fs-h2);
  font-weight: 700;
  letter-spacing: -0.03em;
  margin-bottom: var(--space-md);
}

.contact__desc {
  color: var(--clr-text-secondary);
  margin-bottom: var(--space-2xl);
}

.contact__links {
  display: flex;
  justify-content: center;
  gap: var(--space-md);
  flex-wrap: wrap;
}

.contact__link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  padding: 0.65rem 1.25rem;
  font-size: var(--fs-small);
  font-weight: 500;
  color: var(--clr-text-secondary);
  border-radius: var(--radius-full);
  transition: all var(--transition-fast);
}

.contact__link:hover {
  color: var(--clr-text-primary);
  background: var(--glass-hover-bg);
  transform: translateY(-2px);
}

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

.footer {
  border-top: 1px solid var(--clr-border);
  padding: var(--space-xl) 0;
  text-align: center;
}

.footer__text {
  font-size: var(--fs-caption);
  color: var(--clr-text-muted);
  letter-spacing: 0.04em;
}

/* ============================================================
   SCROLL ANIMATIONS
   ============================================================ */
@keyframes fade-up {
  from {
    opacity: 0;
    transform: translateY(24px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.reveal {
  opacity: 0;
  transform: translate3d(0, 20px, 0);
  transition: opacity 0.45s var(--ease-out), transform 0.45s var(--ease-out);
  will-change: opacity, transform;
}

.reveal.visible {
  opacity: 1;
  transform: translate3d(0, 0, 0);
}

/* Stagger children */
.reveal-children>* {
  opacity: 0;
  transform: translate3d(0, 16px, 0);
  transition: opacity 0.4s var(--ease-out), transform 0.4s var(--ease-out);
  will-change: opacity, transform;
}

.reveal-children.visible>*:nth-child(1) {
  transition-delay: 0.04s;
}

.reveal-children.visible>*:nth-child(2) {
  transition-delay: 0.08s;
}

.reveal-children.visible>*:nth-child(3) {
  transition-delay: 0.12s;
}

.reveal-children.visible>*:nth-child(4) {
  transition-delay: 0.16s;
}

.reveal-children.visible>*:nth-child(5) {
  transition-delay: 0.20s;
}

.reveal-children.visible>*:nth-child(6) {
  transition-delay: 0.24s;
}

.reveal-children.visible>* {
  opacity: 1;
  transform: translate3d(0, 0, 0);
}

/* ============================================================
   CURSOR GLOW (GPU-accelerated, premium spotlight)
   ============================================================ */
.cursor-glow {
  position: fixed;
  top: 0;
  left: 0;
  width: 500px;
  height: 500px;
  margin-top: -250px;
  margin-left: -250px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.15) 0%, rgba(255, 255, 255, 0.05) 35%, transparent 70%);
  pointer-events: none;
  z-index: 2;
  opacity: 0;
  transition: opacity 0.3s ease;
  transform: translate3d(-9999px, -9999px, 0);
  will-change: transform;
}

/* ============================================================
   RESPONSIVE (Mobile Version Styles)
   Laptop / desktop styles above are left completely intact.
   ============================================================ */
@media (max-width: 1024px) {
  .projects__compact-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* Tablet & Mobile devices */
@media (max-width: 768px) {
  /* Container & Layout */
  .container {
    padding-left: max(1.25rem, env(safe-area-inset-left));
    padding-right: max(1.25rem, env(safe-area-inset-right));
  }

  /* Disable cursor glow on mobile/touch screens */
  .cursor-glow {
    display: none !important;
  }

  /* Optimized ambient glows for mobile performance */
  .ambient-glow--1 {
    width: 320px;
    height: 320px;
    top: -100px;
    right: -100px;
    opacity: 0.25;
  }

  .ambient-glow--2 {
    width: 280px;
    height: 280px;
    left: -80px;
    opacity: 0.2;
  }

  /* Touch tap feedback */
  a, button {
    -webkit-tap-highlight-color: transparent;
  }

  .btn:active,
  .glass:active,
  .tag:active {
    transform: scale(0.98);
  }

  /* Navigation on Mobile */
  .nav {
    padding: 0.85rem 0;
    padding-top: max(0.85rem, env(safe-area-inset-top));
  }

  .nav__logo-badge {
    padding: 0.3rem 0.65rem;
    font-size: 1.05rem;
  }

  .nav__toggle {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 5px;
    width: 42px;
    height: 42px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    padding: 0;
    cursor: pointer;
    z-index: 101;
    transition: background var(--transition-fast), border-color var(--transition-fast), transform var(--transition-fast);
  }

  .nav__toggle:active {
    background: rgba(255, 255, 255, 0.12);
    transform: scale(0.94);
  }

  .nav__links {
    position: fixed;
    top: 0;
    right: -100%;
    width: min(320px, 82vw);
    height: 100vh;
    height: 100dvh;
    background: rgba(10, 10, 10, 0.96);
    backdrop-filter: blur(28px);
    -webkit-backdrop-filter: blur(28px);
    flex-direction: column;
    justify-content: center;
    align-items: stretch;
    padding: 2.5rem 1.5rem;
    gap: 0.75rem;
    transition: right 0.35s cubic-bezier(0.16, 1, 0.3, 1);
    border-left: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: -20px 0 60px rgba(0, 0, 0, 0.85);
    z-index: 100;
  }

  .nav__links.open {
    right: 0;
  }

  .nav__links li {
    width: 100%;
    list-style: none;
  }

  .nav__link {
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.15rem;
    font-weight: 600;
    padding: 0.9rem 1.25rem;
    border-radius: var(--radius-md);
    color: var(--clr-text-secondary);
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid transparent;
    transition: all var(--transition-fast);
    text-align: center;
  }

  .nav__link::after {
    display: none;
  }

  .nav__link:hover,
  .nav__link.active,
  .nav__link:active {
    color: var(--clr-text-primary);
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.12);
  }

  /* Hero Section Mobile — Full viewport with prominent Name & Matter only */
  .hero {
    min-height: 100vh;
    min-height: 100dvh;
    display: flex;
    align-items: center;
    padding: 5rem 0 2rem;
    box-sizing: border-box;
  }

  /* Hide badge and action buttons on mobile so only name and matter are visible */
  .hero__badge {
    display: none !important;
  }

  .hero__actions {
    display: none !important;
  }

  .hero__title {
    font-size: clamp(3rem, 12.5vw, 4.2rem);
    font-weight: 800;
    line-height: 1.05;
    margin-bottom: 1.35rem;
    letter-spacing: -0.04em;
  }

  .hero__title span {
    display: block;
    color: var(--clr-text-muted);
  }

  .hero__description {
    font-size: clamp(1.15rem, 4.5vw, 1.35rem);
    line-height: 1.65;
    color: var(--clr-text-secondary);
    margin-bottom: 0;
    max-width: 100%;
  }

  /* Common Section Mobile Spacing */
  .section {
    padding: 3.25rem 0;
  }

  .section__header {
    margin-bottom: 2rem;
  }

  .section__label {
    font-size: 0.7rem;
    margin-bottom: 0.4rem;
  }

  .section__title {
    font-size: clamp(1.6rem, 6.5vw, 2.2rem);
    line-height: 1.2;
  }

  /* About Content */
  .about__content p {
    font-size: 0.95rem;
    line-height: 1.7;
    margin-bottom: 0.85rem;
  }

  /* Education Timeline on Mobile */
  .edu__timeline {
    padding-left: 1.25rem;
    gap: 0.85rem;
  }

  .edu__timeline::before {
    left: 4px;
  }

  .edu-card {
    padding: 1.15rem 1.15rem;
  }

  .edu-card__dot {
    left: calc(-1.25rem - 2.5px);
    top: 1.65rem;
    transform: none;
    width: 6px;
    height: 6px;
  }

  .edu-card__header {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.5rem;
  }

  .edu-card__degree {
    font-size: 1.05rem;
    line-height: 1.35;
  }

  .edu-card__school {
    font-size: 0.825rem;
    margin-top: 2px;
  }

  .edu-card__year {
    font-size: 0.68rem;
    padding: 0.2rem 0.6rem;
    align-self: flex-start;
  }

  /* Skills Grid on Mobile */
  .skills__grid {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  .skill-card {
    padding: 1.25rem 1.15rem;
  }

  .skill-card__icon {
    width: 36px;
    height: 36px;
    margin-bottom: 0.85rem;
  }

  .skill-card__title {
    font-size: 1.1rem;
  }

  .skill-card__subtitle {
    font-size: 0.8rem;
    margin-bottom: 0.85rem;
  }

  .skill-card__tags {
    gap: 0.4rem;
  }

  .tag {
    font-size: 0.72rem;
    padding: 0.25rem 0.65rem;
  }

  /* Projects Grid on Mobile */
  .projects__compact-grid {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  .project-mini {
    padding: 1.25rem 1.15rem;
  }

  .project-mini__header {
    margin-bottom: 0.85rem;
  }

  .project-mini__icon {
    width: 34px;
    height: 34px;
  }

  /* On mobile touch devices, show external arrow clearly */
  .project-mini__arrow {
    opacity: 0.85;
    transform: none;
    color: var(--clr-text-secondary);
  }

  .project-mini__title {
    font-size: 1.05rem;
  }

  .project-mini__subtitle {
    font-size: 0.75rem;
    margin-bottom: 0.45rem;
  }

  .project-mini__desc {
    font-size: 0.835rem;
    line-height: 1.55;
    margin-bottom: 0.85rem;
    -webkit-line-clamp: 4;
  }

  .project-mini__techs {
    gap: 0.35rem;
  }

  .project-mini__techs .tag {
    font-size: 0.65rem;
    padding: 0.2rem 0.55rem;
  }

  /* Contact Section on Mobile */
  .contact {
    padding: 3.5rem 0 2rem;
  }

  .contact__title {
    font-size: clamp(1.6rem, 6.5vw, 2.2rem);
    margin-bottom: 0.75rem;
  }

  .contact__desc {
    font-size: 0.9rem;
    line-height: 1.6;
    margin-bottom: 1.5rem;
  }

  .contact__links {
    gap: 0.75rem;
  }

  /* Footer on Mobile */
  .footer {
    padding: 1.75rem 0;
    padding-bottom: max(1.75rem, env(safe-area-inset-bottom));
  }

  .footer__text {
    font-size: 0.75rem;
  }
}

/* Phones (<= 480px) */
@media (max-width: 480px) {
  .hero__actions {
    flex-direction: column;
    width: 100%;
  }

  .hero__actions .btn {
    width: 100%;
    justify-content: center;
    padding: 0.85rem 1.25rem;
    font-size: 0.875rem;
  }

  .contact__links {
    flex-direction: column;
    width: 100%;
    align-items: stretch;
  }

  .contact__link {
    width: 100%;
    justify-content: center;
    padding: 0.85rem 1.25rem;
    font-size: 0.875rem;
    border: 1px solid var(--glass-border);
    background: var(--glass-bg);
  }

  .contact__link:active {
    background: var(--glass-hover-bg);
    border-color: rgba(255, 255, 255, 0.15);
  }
}

/* Small Phones (<= 360px) */
@media (max-width: 360px) {
  .container {
    padding-left: 0.85rem;
    padding-right: 0.85rem;
  }

  .hero__title {
    font-size: clamp(2.5rem, 11vw, 2.85rem);
  }

  .hero__description {
    font-size: 1.05rem;
  }

  .tag {
    font-size: 0.68rem;
    padding: 0.2rem 0.5rem;
  }
}

/* Touch Device Specific Adjustments */
@media (hover: none) {
  .project-mini__arrow {
    opacity: 0.85;
    transform: none;
  }

  .cursor-glow {
    display: none !important;
  }
}

/* ============================================================
   CUSTOM SCROLLBAR
   ============================================================ */
::-webkit-scrollbar {
  width: 6px;
}

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

::-webkit-scrollbar-thumb {
  background: var(--clr-muted);
  border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--clr-subtle);
}

/* Selection */
::selection {
  background: rgba(255, 255, 255, 0.15);
  color: var(--clr-text-primary);
}
/* ============================================================
   NEW CONTENT SECTIONS
   ============================================================ */
.hero__role {
  display: inline-block;
  margin-top: -0.35rem;
  margin-bottom: var(--space-md);
  font-size: clamp(1.15rem, 2vw, 1.5rem);
  font-weight: 600;
  color: var(--clr-text-primary);
  letter-spacing: -0.02em;
  opacity: 0;
  animation: fade-up 0.8s var(--ease-out) 0.55s forwards;
}

.section--compact {
  padding-top: var(--space-2xl);
  padding-bottom: var(--space-2xl);
}

.focus__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
}

.focus-card {
  padding: var(--space-xl);
  min-height: 220px;
  position: relative;
  overflow: hidden;
}

.focus-card__number {
  display: block;
  margin-bottom: var(--space-2xl);
  color: var(--clr-text-muted);
  font-family: ui-monospace, 'SF Mono', monospace;
  font-size: var(--fs-caption);
  letter-spacing: 0.08em;
}

.focus-card h3 {
  font-size: 1.2rem;
  margin-bottom: var(--space-sm);
  letter-spacing: -0.02em;
}

.focus-card p {
  color: var(--clr-text-secondary);
  font-size: var(--fs-small);
  line-height: 1.7;
}

.certs__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-lg);
}

.cert-card {
  padding: var(--space-xl);
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-lg);
}

.cert-card__issuer {
  color: var(--clr-text-muted);
  text-transform: uppercase;
  font-size: var(--fs-caption);
  font-weight: 600;
  letter-spacing: 0.1em;
  margin-bottom: var(--space-sm);
}

.cert-card h3 {
  font-size: 1.25rem;
  margin-bottom: var(--space-sm);
}

.cert-card p:last-child {
  color: var(--clr-text-secondary);
  font-size: var(--fs-small);
  line-height: 1.65;
  max-width: 560px;
}

.cert-card__badge {
  flex: 0 0 auto;
  padding: 0.35rem 0.7rem;
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-full);
  color: var(--clr-text-secondary);
  font-size: var(--fs-caption);
  font-weight: 600;
}

.explore__tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  max-width: 850px;
}

.explore__tags .tag {
  padding: 0.55rem 0.9rem;
  font-size: var(--fs-small);
}

@media (max-width: 768px) {
  .focus__grid,
  .certs__grid {
    grid-template-columns: 1fr;
  }

  .focus-card {
    min-height: 0;
  }

  .cert-card {
    padding: 1.25rem;
  }
}

/* Resume link */
.nav__resume {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.5rem 0.9rem;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 8px;
  color: var(--clr-text-primary);
  background: rgba(255, 255, 255, 0.04);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  transition: transform 0.2s ease, border-color 0.2s ease, background 0.2s ease, box-shadow 0.2s ease;
}

.nav__resume::before {
  content: '↗';
  font-size: 0.8rem;
  opacity: 0.7;
}

.nav__resume:hover {
  transform: translateY(-1px);
  border-color: rgba(255, 255, 255, 0.42);
  background: rgba(255, 255, 255, 0.08);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.18);
}

@media (max-width: 768px) {
  .nav__resume {
    display: block;
    width: fit-content;
    margin: 0.75rem 1rem 0;
  }
}