/* ==========================================================================
   RAJARSHI SAHA — PORTFOLIO STYLESHEET
   Design: Modern Cyber-Minimalist / Systems Engineering Aesthetic
   Fonts: Space Grotesk & DM Mono
   ========================================================================== */

/* --- CSS Variables & Design Tokens --- */
:root {
  --accent-red: #ff3366;
  --accent-red-hover: #ff1a4d;
  --accent-red-dim: rgba(255, 51, 102, 0.12);
  --accent-red-glow: rgba(255, 51, 102, 0.35);
  --accent-gold: #ffb800;
  --accent-green: #00f0a8;
  --accent-blue: #3388ff;
  --accent-purple: #b366ff;
  
  --bg-base: #050608;
  --bg-surface: rgba(10, 12, 18, 0.75);
  --bg-surface-hover: rgba(16, 20, 30, 0.88);
  --bg-surface-raised: rgba(17, 20, 29, 0.95);
  --bg-modal: rgba(10, 12, 18, 0.96);
  
  --border-color: rgba(255, 255, 255, 0.08);
  --border-hover: rgba(255, 255, 255, 0.22);
  --border-accent: rgba(255, 51, 102, 0.4);
  
  --text-primary: #f0f2f8;
  --text-secondary: #8a93a8;
  --text-muted: #5a6275;

  --font-main: 'Space Grotesk', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'DM Mono', monospace;
  
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 16px;
}

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

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

body {
  font-family: var(--font-main);
  background-color: var(--bg-base);
  background-image: radial-gradient(circle at 50% 0%, rgba(25, 30, 45, 0.45) 0%, var(--bg-base) 70%);
  color: var(--text-primary);
  overflow-x: hidden;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body.modal-open {
  overflow: hidden;
}

a, button, input, textarea {
  color: inherit;
  font-family: inherit;
}

a {
  text-decoration: none;
}

ul {
  list-style: none;
}

/* --- Scrollbar --- */
::-webkit-scrollbar {
  width: 8px;
}
::-webkit-scrollbar-track {
  background: var(--bg-base);
}
::-webkit-scrollbar-thumb {
  background: #2a2d3a;
  border-radius: 8px;
  border: 2px solid var(--bg-base);
}
::-webkit-scrollbar-thumb:hover {
  background: var(--accent-red);
}

/* --- Scroll Progress Bar --- */
#scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent-red), var(--accent-purple), var(--accent-blue));
  width: 0%;
  z-index: 10000;
  box-shadow: 0 0 12px var(--accent-red-glow);
  will-change: width;
}

/* --- Precision Custom Cursor --- */
@media (pointer: fine) {
  body {
    cursor: none;
  }
  a, button, input, textarea, .custom-hover, .tilt-card, .proj-tab, .project-modal, .project-modal__dialog, .project-modal__backdrop {
    cursor: none;
  }

  #cursor-dot {
    position: fixed;
    top: 0;
    left: 0;
    width: 6px;
    height: 6px;
    background: var(--text-primary);
    border-radius: 50%;
    pointer-events: none;
    z-index: 100005;
    transform: translate3d(-9999px, -9999px, 0);
    transition: width 0.2s ease, height 0.2s ease, background 0.2s ease, transform 0.05s linear;
    will-change: transform;
  }

  #cursor-dot.hovering {
    width: 14px;
    height: 14px;
    background: var(--accent-red);
    box-shadow: 0 0 12px var(--accent-red);
  }

  #cursor-glow {
    position: fixed;
    top: 0;
    left: 0;
    width: 320px;
    height: 320px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(255, 51, 102, 0.08) 0%, transparent 65%);
    pointer-events: none;
    z-index: 100004;
    transform: translate3d(-9999px, -9999px, 0);
    opacity: 0;
    transition: opacity 0.3s ease;
    will-change: transform;
  }
}

@media (hover: none) and (pointer: coarse) {
  body, a, button, input, textarea {
    cursor: auto;
  }
  #cursor-dot, #cursor-glow {
    display: none;
  }
}

/* --- Navigation --- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  padding: 20px 5%;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.nav.scrolled {
  background: rgba(5, 6, 8, 0.78);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-color);
  padding: 12px 5%;
}

.nav__inner {
  max-width: 1300px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav__logo {
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: 1px;
  transition: transform 0.2s ease;
}

.nav__logo:hover {
  transform: translateY(-1px);
}

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

.nav__links {
  display: flex;
  gap: 32px;
}

.nav__link {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 2px;
  position: relative;
  transition: color 0.3s ease;
  padding: 4px 0;
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: -6px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent-red);
  transition: width 0.3s ease-out;
}

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

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

.nav__cta {
  background: var(--accent-red);
  color: #fff;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  padding: 10px 24px;
  border-radius: var(--radius-sm);
  letter-spacing: 1.5px;
  text-transform: uppercase;
  transition: all 0.3s ease;
  box-shadow: 0 4px 20px var(--accent-red-glow);
  display: inline-flex;
  align-items: center;
}

.nav__cta:hover {
  background: var(--accent-red-hover);
  box-shadow: 0 6px 25px rgba(255, 51, 102, 0.5);
  transform: translateY(-2px);
}

/* Mobile Menu */
.nav__hamburger {
  display: none;
  flex-direction: column;
  gap: 6px;
  background: none;
  border: none;
  z-index: 1001;
  padding: 4px;
}

.nav__hamburger span {
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.nav__hamburger.open span:nth-child(1) {
  transform: rotate(45deg) translate(6px, 5px);
}
.nav__hamburger.open span:nth-child(2) {
  opacity: 0;
}
.nav__hamburger.open span:nth-child(3) {
  transform: rotate(-45deg) translate(6px, -5px);
}

.nav__mobile {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(5, 6, 8, 0.98);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 36px;
  z-index: 999;
  opacity: 0;
  transition: opacity 0.4s ease;
}

.nav__mobile.open {
  display: flex;
  opacity: 1;
}

.nav__mobile .nav__link {
  font-size: 1.2rem;
  letter-spacing: 3px;
}

/* --- Hero Section --- */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 0 5%;
  position: relative;
  overflow: hidden;
}

.hero__canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

.hero__grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--border-color) 1px, transparent 1px),
    linear-gradient(90deg, var(--border-color) 1px, transparent 1px);
  background-size: 80px 80px;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 10%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 10%, transparent 80%);
  pointer-events: none;
}

.hero__content {
  position: relative;
  z-index: 2;
  max-width: 1300px;
  margin: 0 auto;
  width: 100%;
  padding-top: 80px;
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 60px;
  align-items: center;
}

.hero__eyebrow {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 24px;
}

.hero__tag {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--accent-red);
  letter-spacing: 2px;
  text-transform: uppercase;
  padding: 6px 14px;
  border: 1px solid var(--accent-red-glow);
  border-radius: 4px;
  background: var(--accent-red-dim);
}

.hero__dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent-green);
  box-shadow: 0 0 12px var(--accent-green);
  animation: dotBlink 2s ease-in-out infinite;
}

@keyframes dotBlink {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.85); }
}

.hero__status {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--accent-green);
  letter-spacing: 1px;
}

.hero__name {
  font-size: clamp(3.5rem, 8vw, 7rem);
  font-weight: 800;
  line-height: 0.95;
  letter-spacing: -2px;
  margin-bottom: 12px;
  overflow: hidden;
}

.hero__name .line {
  display: block;
  transform: translateY(100%);
  animation: lineReveal 0.8s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.hero__name .line:nth-child(2) {
  animation-delay: 0.1s;
}

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

.hero__role {
  font-family: var(--font-mono);
  font-size: 0.95rem;
  color: var(--accent-red);
  letter-spacing: 2px;
  margin-bottom: 24px;
  opacity: 0;
  animation: fadeUp 0.6s ease 0.4s forwards;
}

.hero__bio {
  font-size: 1.15rem;
  color: var(--text-secondary);
  max-width: 520px;
  line-height: 1.8;
  margin-bottom: 40px;
  opacity: 0;
  animation: fadeUp 0.6s ease 0.5s forwards;
}

.hero__bio strong {
  color: var(--text-primary);
}

.hero__bio em {
  color: var(--accent-red);
  font-style: normal;
  font-weight: 500;
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}

.hero__btns {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  opacity: 0;
  animation: fadeUp 0.6s ease 0.6s forwards;
}

.btn-primary,
.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  padding: 15px 30px;
  border-radius: var(--radius-sm);
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  position: relative;
}

.btn-primary {
  background: var(--accent-red);
  color: #fff;
  box-shadow: 0 4px 20px var(--accent-red-glow);
  border: 1px solid transparent;
}

.btn-primary:hover {
  background: var(--accent-red-hover);
  transform: translateY(-3px);
  box-shadow: 0 10px 30px rgba(255, 51, 102, 0.5);
}

.btn-outline {
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  background: rgba(10, 12, 18, 0.4);
  backdrop-filter: blur(8px);
}

.btn-outline:hover {
  border-color: var(--accent-red-glow);
  transform: translateY(-3px);
  background: var(--accent-red-dim);
  color: #ffffff;
}

/* Hero Right Stats */
.hero__right {
  opacity: 0;
  animation: fadeUp 0.8s ease 0.7s forwards;
  perspective: 1000px;
}

.hero__card {
  background: var(--bg-surface);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 36px;
  position: relative;
  overflow: hidden;
  transform-style: preserve-3d;
  transition: transform 0.2s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}

.hero__card:hover {
  border-color: var(--border-hover);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
}

.hero__card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent-red), var(--accent-gold), var(--accent-green));
  animation: gradientSlide 4s linear infinite;
  background-size: 200% 100%;
}

@keyframes gradientSlide {
  0% { background-position: 0% 50%; }
  100% { background-position: 200% 50%; }
}

.hero__card-label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-secondary);
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 24px;
}

.hero__stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 32px;
}

.hero__stat {
  background: var(--bg-surface-raised);
  border-radius: var(--radius-md);
  padding: 20px;
  border: 1px solid var(--border-color);
  transition: all 0.3s ease;
}

.hero__stat:hover {
  border-color: var(--accent-red-glow);
  transform: translateY(-3px);
}

.hero__stat-num {
  font-size: 2.2rem;
  font-weight: 800;
  display: block;
  line-height: 1.1;
  margin-bottom: 4px;
}

.hero__stat-label {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--text-secondary);
  letter-spacing: 1px;
  text-transform: uppercase;
}

.hero__stack {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.hero__chip {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  background: var(--bg-surface-raised);
  color: var(--text-secondary);
  padding: 6px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
  transition: all 0.3s ease;
  letter-spacing: 0.5px;
}

.hero__chip:hover {
  color: var(--accent-red);
  border-color: var(--accent-red-glow);
  background: var(--accent-red-dim);
}

.hero__scroll {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  animation: fadeUp 0.6s ease 1s both;
  pointer-events: none;
}

.hero__scroll span {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--text-secondary);
  letter-spacing: 2px;
  text-transform: uppercase;
}

.hero__scroll-line {
  width: 1px;
  height: 60px;
  background: linear-gradient(180deg, var(--accent-red), transparent);
  animation: scrollLine 2.5s cubic-bezier(0.65, 0, 0.35, 1) 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; }
}

/* --- General Sections --- */
.section {
  padding: 120px 5%;
  position: relative;
}

.section__inner {
  max-width: 1300px;
  margin: 0 auto;
}

.section__header {
  margin-bottom: 56px;
}

.section__eyebrow {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--accent-red);
  letter-spacing: 3px;
  text-transform: uppercase;
  margin-bottom: 16px;
  display: inline-block;
  padding: 4px 12px;
  background: var(--accent-red-dim);
  border-radius: 4px;
}

.section__title {
  font-size: clamp(2.4rem, 5vw, 3.8rem);
  font-weight: 800;
  letter-spacing: -1.5px;
}

.section__title span {
  color: var(--accent-red);
  position: relative;
}

.section__subtitle {
  color: var(--text-secondary);
  font-size: 1.15rem;
  margin-top: 14px;
  max-width: 600px;
}

.section-divider {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border-color), transparent);
  max-width: 1300px;
  margin: 0 auto;
}

/* --- About Section --- */
.about__grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 70px;
  align-items: start;
}

.about__text p {
  color: var(--text-secondary);
  font-size: 1.1rem;
  line-height: 1.85;
  margin-bottom: 20px;
}

.about__text strong {
  color: var(--text-primary);
}

.about__text em {
  color: var(--accent-red);
  font-style: normal;
  font-weight: 500;
}

.about__traits {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 28px 0;
}

.trait {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  padding: 8px 18px;
  border-radius: var(--radius-sm);
  letter-spacing: 0.5px;
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  transition: all 0.3s ease;
  cursor: default;
}

.trait:nth-child(1) { color: var(--accent-red); border-color: rgba(255, 51, 102, 0.3); background: rgba(255, 51, 102, 0.06); }
.trait:nth-child(2) { color: var(--accent-green); border-color: rgba(0, 240, 168, 0.3); background: rgba(0, 240, 168, 0.06); }
.trait:nth-child(3) { color: var(--accent-blue); border-color: rgba(51, 136, 255, 0.3); background: rgba(51, 136, 255, 0.06); }
.trait:nth-child(4) { color: var(--accent-gold); border-color: rgba(255, 184, 0, 0.3); background: rgba(255, 184, 0, 0.06); }
.trait:nth-child(5) { color: var(--accent-purple); border-color: rgba(179, 102, 255, 0.3); background: rgba(179, 102, 255, 0.06); }

.trait:hover {
  transform: translateY(-3px) scale(1.04);
}

.about__quote {
  font-size: 1.35rem;
  font-weight: 700;
  line-height: 1.5;
  padding: 30px 36px;
  border-left: 4px solid var(--accent-red);
  background: var(--bg-surface);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  margin-top: 36px;
  position: relative;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.2);
}

.about__quote::before {
  content: '"';
  font-size: 5.5rem;
  color: var(--accent-red-dim);
  position: absolute;
  top: -24px;
  left: 16px;
  line-height: 1;
  font-family: serif;
}

.about__stats-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 24px;
}

.about__stat-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 24px;
  transition: all 0.3s ease;
  text-align: center;
  position: relative;
}

.about__stat-card:hover {
  border-color: var(--accent-red-glow);
  transform: translateY(-3px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.about__stat-num {
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--accent-red);
  display: block;
  text-shadow: 0 0 20px var(--accent-red-glow);
}

.about__stat-label {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--text-secondary);
  letter-spacing: 1.5px;
  text-transform: uppercase;
  margin-top: 8px;
}

.about__learning {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 30px;
  transition: border-color 0.3s ease;
}

.about__learning:hover {
  border-color: var(--border-hover);
}

.about__learning-title {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-secondary);
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 18px;
}

.learning-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 10px 0;
  border-bottom: 1px solid var(--border-color);
  transition: all 0.3s ease;
}

.learning-item:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.learning-item:hover {
  padding-left: 6px;
  color: var(--text-primary);
}

.learning-item::before {
  content: '→';
  color: var(--accent-red);
  font-size: 1rem;
  flex-shrink: 0;
  transition: transform 0.3s ease;
}

.learning-item:hover::before {
  transform: translateX(5px);
}

.learning-item span {
  font-size: 0.95rem;
  color: var(--text-secondary);
}

/* --- Projects Section --- */
.projects__tabs {
  display: flex;
  gap: 12px;
  margin-bottom: 40px;
  flex-wrap: wrap;
}

.proj-tab {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  padding: 10px 22px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  background: var(--bg-surface);
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
  cursor: pointer;
}

.proj-tab:hover {
  border-color: var(--accent-red);
  color: #fff;
  transform: translateY(-2px);
}

.proj-tab.active {
  background: var(--accent-red);
  border-color: var(--accent-red);
  color: #fff;
  box-shadow: 0 4px 18px var(--accent-red-glow);
}

.projects__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  gap: 30px;
}

/* 3D Tilt Card Base */
.tilt-card {
  background: var(--bg-surface);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  position: relative;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1), border-color 0.3s ease, box-shadow 0.3s ease, background 0.3s ease;
  cursor: pointer;
}

.tilt-card:hover {
  background: var(--bg-surface-hover);
  border-color: var(--border-hover);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.6);
  transform: translateY(-6px);
}

/* Glare effect inside card */
.glare {
  position: absolute;
  inset: 0;
  z-index: 5;
  pointer-events: none;
  background: radial-gradient(circle at 50% 50%, rgba(255, 255, 255, 0.08) 0%, transparent 60%);
  opacity: 0;
  transition: opacity 0.3s ease;
  mix-blend-mode: overlay;
}

.tilt-card:hover .glare {
  opacity: 1;
}

/* Card internal structure */
.project-card__accent {
  height: 4px;
  width: 100%;
  transition: height 0.3s ease;
  z-index: 1;
}

.tilt-card:hover .project-card__accent {
  height: 6px;
}

.project-card__content {
  padding: 28px;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
  z-index: 2;
}

.project-card__header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 20px;
}

.project-card__icon {
  width: 46px;
  height: 46px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  background: var(--bg-surface-raised);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.3s ease, border-color 0.3s ease;
  flex-shrink: 0;
}

.project-card__icon svg {
  width: 22px;
  height: 22px;
}

.tilt-card:hover .project-card__icon {
  transform: scale(1.1) rotate(4deg);
  border-color: var(--border-hover);
}

.project-card__links {
  display: flex;
  gap: 8px;
}

.project-card__link-btn {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 1px;
  text-transform: uppercase;
  padding: 6px 12px;
  border-radius: 4px;
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  transition: all 0.25s ease;
  background: rgba(0, 0, 0, 0.3);
}

.project-card__link-btn:hover {
  color: var(--text-primary);
  border-color: var(--accent-red);
  background: var(--accent-red-dim);
}

.project-card__link-btn.soon {
  opacity: 0.5;
  pointer-events: none;
}

.project-card__title {
  font-size: 1.35rem;
  font-weight: 700;
  margin-bottom: 6px;
  color: var(--text-primary);
  transition: color 0.2s ease;
}

.tilt-card:hover .project-card__title {
  color: #ffffff;
}

.project-card__type {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 14px;
  opacity: 0.85;
}

.project-card__desc {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.65;
  margin-bottom: 20px;
  flex-grow: 1;
}

.project-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 18px;
}

.project-card__tag {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  padding: 5px 10px;
  border-radius: 4px;
  background: rgba(0, 0, 0, 0.35);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  letter-spacing: 0.5px;
  transition: all 0.3s ease;
}

.tilt-card:hover .project-card__tag {
  border-color: rgba(255, 255, 255, 0.18);
  color: var(--text-primary);
}

.project-card__footer-action {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 14px;
  border-top: 1px solid var(--border-color);
  margin-top: auto;
}

.project-card__details-btn {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--accent-red);
  letter-spacing: 1px;
  text-transform: uppercase;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: transform 0.2s ease, color 0.2s ease;
}

.tilt-card:hover .project-card__details-btn {
  transform: translateX(4px);
  color: #ff6688;
}

/* ==========================================================================
   MODAL / POPUP DETAILS SYSTEM
   ========================================================================== */
.project-modal {
  position: fixed;
  inset: 0;
  z-index: 10000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease;
}

.project-modal.active {
  opacity: 1;
  pointer-events: auto;
}

.project-modal__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(5, 6, 8, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.project-modal__dialog {
  position: relative;
  background: var(--bg-modal);
  border: 1px solid var(--border-hover);
  border-radius: var(--radius-lg);
  box-shadow: 0 25px 70px rgba(0, 0, 0, 0.8), 0 0 40px rgba(255, 51, 102, 0.1);
  width: 100%;
  max-width: 800px;
  max-height: 90vh;
  overflow-y: auto;
  z-index: 2;
  transform: translateY(24px) scale(0.96);
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  display: flex;
  flex-direction: column;
}

.project-modal.active .project-modal__dialog {
  transform: translateY(0) scale(1);
}

.project-modal__top-bar {
  height: 4px;
  width: 100%;
  background: linear-gradient(90deg, var(--accent-red), var(--accent-purple), var(--accent-blue));
}

.project-modal__header {
  padding: 28px 32px 18px;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 20px;
  border-bottom: 1px solid var(--border-color);
}

.project-modal__title {
  font-size: 2rem;
  font-weight: 800;
  line-height: 1.15;
  color: var(--text-primary);
  margin-bottom: 6px;
}

.project-modal__type {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--accent-red);
  letter-spacing: 2px;
  text-transform: uppercase;
}

.project-modal__close {
  background: var(--bg-surface-raised);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  font-size: 1.2rem;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.2s ease;
  flex-shrink: 0;
}

.project-modal__close:hover {
  background: var(--accent-red);
  color: #fff;
  border-color: var(--accent-red);
  transform: scale(1.1) rotate(90deg);
}

.project-modal__body {
  padding: 28px 32px;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.project-modal__section-title {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--accent-red);
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.project-modal__section-title::before {
  content: '//';
  color: var(--text-muted);
}

.project-modal__desc {
  font-size: 1.05rem;
  color: var(--text-secondary);
  line-height: 1.8;
}

.project-modal__features-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.project-modal__feature-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.project-modal__feature-item::before {
  content: '▸';
  color: var(--accent-green);
  font-size: 1.1rem;
  flex-shrink: 0;
  margin-top: 1px;
}

.project-modal__tech-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.project-modal__tech-pill {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  background: var(--bg-surface-raised);
  color: var(--text-primary);
  padding: 6px 14px;
  border-radius: 4px;
  border: 1px solid var(--border-color);
}

.project-modal__footer {
  padding: 20px 32px;
  border-top: 1px solid var(--border-color);
  background: rgba(5, 6, 8, 0.6);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}

.project-modal__actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

/* --- Skills Section --- */
.skills__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
}

.skill-group {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  position: relative;
  overflow: hidden;
}

.skill-group::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  opacity: 0;
  transition: opacity 0.4s ease;
}

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

.skill-group:nth-child(1)::before { background: linear-gradient(90deg, var(--accent-red), transparent); }
.skill-group:nth-child(2)::before { background: linear-gradient(90deg, var(--accent-green), transparent); }
.skill-group:nth-child(3)::before { background: linear-gradient(90deg, var(--accent-blue), transparent); }
.skill-group:nth-child(4)::before { background: linear-gradient(90deg, var(--accent-gold), transparent); }

.skill-group:hover {
  border-color: var(--border-hover);
  transform: translateY(-4px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
}

.skill-group__header {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 24px;
}

.skill-group__icon {
  font-size: 1.5rem;
}

.skill-group__title {
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: 0.5px;
}

.skill-group__items {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.skill-tag {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  background: var(--bg-surface-raised);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  transition: all 0.3s ease;
  letter-spacing: 0.5px;
}

.skill-tag:hover {
  color: var(--text-primary);
  border-color: var(--border-hover);
  transform: translateY(-2px);
  background: rgba(255, 255, 255, 0.05);
}

/* --- Goals Section --- */
.goals__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 24px;
}

.goal-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 36px;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  position: relative;
}

.goal-card:hover {
  border-color: var(--accent-red-glow);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
  transform: translateY(-4px);
}

.goal-card__num {
  font-size: 4.5rem;
  font-weight: 800;
  color: var(--accent-red-dim);
  line-height: 1;
  margin-bottom: 20px;
  transition: color 0.4s ease;
}

.goal-card:hover .goal-card__num {
  color: var(--accent-red-glow);
}

.goal-card__title {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 24px;
  line-height: 1.5;
}

.goal-card__progress {
  height: 6px;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 6px;
  overflow: hidden;
  margin-bottom: 12px;
}

.goal-card__bar {
  height: 100%;
  border-radius: 6px;
  background: linear-gradient(90deg, var(--accent-red), #ff6b8b);
  box-shadow: 0 0 15px var(--accent-red-glow);
  transition: width 1.5s cubic-bezier(0.16, 1, 0.3, 1);
  width: 0%;
}

.goal-card__pct {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-secondary);
  letter-spacing: 1px;
}

/* --- Contact Section --- */
.contact__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}

.contact__tagline {
  font-size: 1.15rem;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 40px;
}

.contact__cards {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.contact__card {
  display: flex;
  align-items: center;
  gap: 20px;
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 20px 24px;
  transition: all 0.3s ease;
}

.contact__card:hover {
  border-color: var(--accent-red-glow);
  transform: translateX(8px);
  background: rgba(255, 51, 102, 0.05);
}

.contact__card-icon {
  width: 50px;
  height: 50px;
  border-radius: 10px;
  background: var(--bg-surface-raised);
  border: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--text-primary);
  transition: all 0.3s ease;
}

.contact__card:hover .contact__card-icon {
  color: var(--accent-red);
  border-color: var(--accent-red-glow);
}

.contact__card-label {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--text-secondary);
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 4px;
}

.contact__card-value {
  font-size: 1rem;
  font-weight: 500;
}

.contact__right {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 48px;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.3);
}

.contact__form-title {
  font-size: 1.4rem;
  font-weight: 700;
  margin-bottom: 32px;
}

.form__group {
  margin-bottom: 24px;
  position: relative;
}

.form__label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-secondary);
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 10px;
}

.form__input,
.form__textarea {
  width: 100%;
  background: var(--bg-base);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 16px;
  color: var(--text-primary);
  font-family: inherit;
  font-size: 1rem;
  transition: all 0.3s ease;
  outline: none;
}

.form__input:focus,
.form__textarea:focus {
  border-color: var(--accent-red);
  box-shadow: 0 0 0 4px var(--accent-red-dim);
  background: rgba(0, 0, 0, 0.5);
}

.form__textarea {
  resize: vertical;
  min-height: 150px;
}

/* Button States */
.form__submit {
  width: 100%;
  background: var(--accent-red);
  color: #fff;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  padding: 18px;
  border-radius: 8px;
  border: none;
  transition: all 0.3s ease;
  box-shadow: 0 4px 20px var(--accent-red-glow);
  font-weight: 600;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 10px;
  cursor: pointer;
}

.form__submit:hover:not(:disabled) {
  background: var(--accent-red-hover);
  box-shadow: 0 8px 30px rgba(255, 51, 102, 0.45);
  transform: translateY(-2px);
}

.form__submit:disabled {
  opacity: 0.8;
  cursor: default;
}

.spinner {
  display: none;
  width: 18px;
  height: 18px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  border-top-color: #fff;
  animation: spin 1s ease-in-out infinite;
}

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

.form__submit.loading .spinner {
  display: block;
}

.form__submit.loading .btn-text {
  display: none;
}

/* --- Footer --- */
.footer {
  padding: 60px 5% 40px;
  border-top: 1px solid var(--border-color);
  position: relative;
  background: #030406;
}

.footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 200px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent-red), transparent);
}

.footer__inner {
  max-width: 1300px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 24px;
}

.footer__logo {
  font-size: 1.5rem;
  font-weight: 800;
}

.footer__logo span {
  color: var(--accent-red);
}

.footer__nav {
  display: flex;
  gap: 32px;
  flex-wrap: wrap;
}

.footer__nav a {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-secondary);
  letter-spacing: 1.5px;
  text-transform: uppercase;
  transition: color 0.3s ease;
}

.footer__nav a:hover {
  color: var(--accent-red);
}

.footer__copy {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-secondary);
  letter-spacing: 1px;
  width: 100%;
  text-align: center;
  margin-top: 40px;
  opacity: 0.6;
}

/* --- Reveal Animations --- */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: transform, opacity;
}

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

/* --- Reduced Motion A11y --- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  .tilt-card {
    transform: none !important;
  }
}

/* --- Responsive Design --- */
@media (max-width: 1024px) {
  .hero__content {
    grid-template-columns: 1fr;
    gap: 40px;
    text-align: center;
    justify-items: center;
  }
  .hero__eyebrow {
    justify-content: center;
  }
  .hero__btns {
    justify-content: center;
  }
  .hero__bio {
    text-align: center;
    margin: 0 auto 32px;
  }
  .hero__right {
    display: flex;
    justify-content: center;
    width: 100%;
    max-width: 450px;
  }
  .about__grid {
    grid-template-columns: 1fr;
    gap: 60px;
  }
  .contact__grid {
    grid-template-columns: 1fr;
    gap: 60px;
  }
}

@media (max-width: 768px) {
  .nav__links,
  .nav__cta {
    display: none;
  }
  .nav__hamburger {
    display: flex;
  }
  .hero {
    padding: 100px 5% 120px;
    align-items: flex-start;
  }
  .hero__name {
    font-size: clamp(2.8rem, 10vw, 3.5rem);
  }
  .hero__card {
    padding: 24px;
  }
  .hero__stats {
    gap: 12px;
  }
  .hero__stat {
    padding: 12px;
  }
  .hero__stat-num {
    font-size: 1.8rem;
  }
  .section {
    padding: 80px 5%;
  }
  .projects__grid,
  .skills__grid,
  .goals__grid {
    grid-template-columns: 1fr;
  }
  .about__quote {
    font-size: 1.15rem;
    padding: 24px;
    border-radius: var(--radius-md);
    margin-top: 24px;
  }
  .about__stats-grid {
    grid-template-columns: 1fr;
    gap: 12px;
  }
  .contact__right {
    padding: 24px;
  }
  .form__submit {
    padding: 14px;
  }
  .footer__inner {
    flex-direction: column;
    text-align: center;
  }
  .footer__nav {
    justify-content: center;
    gap: 20px;
  }
  .project-modal {
    padding: 12px;
  }
  .project-modal__header {
    padding: 20px 20px 14px;
  }
  .project-modal__body {
    padding: 20px;
  }
  .project-modal__footer {
    padding: 16px 20px;
  }
}