/* ==========================================================================
   PORTFOLIO DESIGN SYSTEM & STYLESHEET - AMRITHA S
   Modern Dark Slate & Cyan/Indigo Glassmorphic Architecture
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Fira+Code:wght@400;500;600&family=Plus+Jakarta+Sans:ital,wght@0,300;0,400;0,500;0,600;0,700;0,800;1,400;1,600&display=swap');

/* --- CSS Variables & Theme Tokens --- */
:root {
  /* Dark Theme (Default) */
  --bg-primary: #070a13;
  --bg-secondary: #0d1322;
  --bg-tertiary: #131c31;
  --card-bg: rgba(19, 28, 49, 0.7);
  --card-hover-bg: rgba(28, 41, 71, 0.85);
  --glass-bg: rgba(13, 19, 34, 0.75);
  --glass-border: rgba(255, 255, 255, 0.08);
  --glass-border-hover: rgba(99, 102, 241, 0.4);

  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --text-accent: #38bdf8;

  --accent-primary: #6366f1;
  --accent-secondary: #06b6d4;
  --accent-tertiary: #10b981;
  --accent-warning: #f59e0b;
  --accent-danger: #ef4444;

  --gradient-primary: linear-gradient(135deg, #6366f1 0%, #06b6d4 100%);
  --gradient-accent: linear-gradient(135deg, #06b6d4 0%, #10b981 100%);
  --gradient-glow: radial-gradient(circle, rgba(99, 102, 241, 0.15) 0%, rgba(7, 10, 19, 0) 70%);
  --gradient-card: linear-gradient(145deg, rgba(255, 255, 255, 0.04) 0%, rgba(255, 255, 255, 0.01) 100%);

  --shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, 0.2), 0 2px 4px -2px rgba(0, 0, 0, 0.15);
  --shadow-md: 0 10px 25px -3px rgba(0, 0, 0, 0.3), 0 4px 6px -4px rgba(0, 0, 0, 0.2);
  --shadow-lg: 0 20px 40px -5px rgba(0, 0, 0, 0.45);
  --shadow-glow: 0 0 25px rgba(99, 102, 241, 0.35);
  --shadow-glow-cyan: 0 0 25px rgba(6, 182, 212, 0.35);

  --font-main: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'Fira Code', monospace;

  --nav-height: 76px;
  --border-radius-sm: 8px;
  --border-radius-md: 14px;
  --border-radius-lg: 22px;
  --border-radius-full: 9999px;

  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

/* --- Light Theme Variations --- */
[data-theme="light"] {
  --bg-primary: #f8fafc;
  --bg-secondary: #f1f5f9;
  --bg-tertiary: #e2e8f0;
  --card-bg: rgba(255, 255, 255, 0.85);
  --card-hover-bg: rgba(255, 255, 255, 0.98);
  --glass-bg: rgba(255, 255, 255, 0.82);
  --glass-border: rgba(0, 0, 0, 0.08);
  --glass-border-hover: rgba(99, 102, 241, 0.5);

  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #64748b;
  --text-accent: #0284c7;

  --accent-primary: #4f46e5;
  --accent-secondary: #0891b2;
  --accent-tertiary: #059669;

  --gradient-glow: radial-gradient(circle, rgba(99, 102, 241, 0.08) 0%, rgba(248, 250, 252, 0) 70%);
  --gradient-card: linear-gradient(145deg, rgba(255, 255, 255, 0.9) 0%, rgba(241, 245, 249, 0.9) 100%);
  
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 8px 20px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 16px 32px rgba(0, 0, 0, 0.08);
  --shadow-glow: 0 0 20px rgba(99, 102, 241, 0.2);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--nav-height) + 20px);
  font-size: 16px;
}

body {
  font-family: var(--font-main);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  position: relative;
  transition: background-color var(--transition-normal), color var(--transition-normal);
}

/* Ambient Animated Background Gradients */
.bg-ambient {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}

.ambient-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(90px);
  opacity: 0.45;
  animation: orbFloat 18s ease-in-out infinite alternate;
}

.ambient-orb-1 {
  width: 500px;
  height: 500px;
  top: -100px;
  left: -100px;
  background: var(--accent-primary);
}

.ambient-orb-2 {
  width: 450px;
  height: 450px;
  top: 40%;
  right: -100px;
  background: var(--accent-secondary);
  animation-delay: -6s;
}

.ambient-orb-3 {
  width: 400px;
  height: 400px;
  bottom: -50px;
  left: 30%;
  background: var(--accent-tertiary);
  animation-delay: -12s;
  opacity: 0.3;
}

@keyframes orbFloat {
  0% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(60px, 40px) scale(1.1); }
  100% { transform: translate(-40px, 80px) scale(0.95); }
}

/* --- Container & Layout Utilities --- */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
  position: relative;
  z-index: 1;
}

.section {
  padding: 6rem 0;
  position: relative;
}

@media (max-width: 768px) {
  .section {
    padding: 4rem 0;
  }
}

/* Typography & Headings */
h1, h2, h3, h4, h5, h6 {
  color: var(--text-primary);
  font-weight: 700;
  line-height: 1.25;
}

.gradient-text {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-block;
}

.gradient-text-alt {
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.section-header {
  text-align: center;
  margin-bottom: 3.5rem;
}

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent-secondary);
  background: rgba(6, 182, 212, 0.1);
  border: 1px solid rgba(6, 182, 212, 0.25);
  padding: 0.35rem 1rem;
  border-radius: var(--border-radius-full);
  margin-bottom: 1rem;
}

.section-title {
  font-size: 2.35rem;
  margin-bottom: 0.75rem;
  letter-spacing: -0.02em;
}

.section-subtitle {
  color: var(--text-secondary);
  font-size: 1.05rem;
  max-width: 620px;
  margin: 0 auto;
}

@media (max-width: 768px) {
  .section-title {
    font-size: 1.85rem;
  }
}

/* --- Buttons & Action Links --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  font-family: var(--font-main);
  font-size: 0.95rem;
  font-weight: 600;
  padding: 0.75rem 1.6rem;
  border-radius: var(--border-radius-md);
  text-decoration: none;
  cursor: pointer;
  transition: all var(--transition-normal);
  border: none;
  outline: none;
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: var(--gradient-primary);
  color: #ffffff;
  box-shadow: var(--shadow-glow);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 30px rgba(99, 102, 241, 0.55);
}

.btn-secondary {
  background: var(--card-bg);
  color: var(--text-primary);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(10px);
}

.btn-secondary:hover {
  background: var(--card-hover-bg);
  border-color: var(--accent-primary);
  transform: translateY(-2px);
  color: var(--text-accent);
}

.btn-accent {
  background: var(--gradient-accent);
  color: #070a13;
  font-weight: 700;
  box-shadow: var(--shadow-glow-cyan);
}

.btn-accent:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 30px rgba(6, 182, 212, 0.6);
}

.btn-sm {
  padding: 0.45rem 1rem;
  font-size: 0.85rem;
  border-radius: var(--border-radius-sm);
}

.btn-icon-only {
  width: 42px;
  height: 42px;
  padding: 0;
  border-radius: 50%;
  background: var(--card-bg);
  color: var(--text-primary);
  border: 1px solid var(--glass-border);
}

.btn-icon-only:hover {
  background: var(--card-hover-bg);
  color: var(--accent-secondary);
  border-color: var(--accent-secondary);
}

/* --- Glassmorphic Navbar --- */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  background: var(--glass-bg);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--glass-border);
  z-index: 1000;
  transition: all var(--transition-normal);
}

.navbar.scrolled {
  background: rgba(7, 10, 19, 0.92);
  box-shadow: var(--shadow-md);
}

[data-theme="light"] .navbar.scrolled {
  background: rgba(255, 255, 255, 0.95);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  text-decoration: none;
  font-weight: 800;
  font-size: 1.25rem;
  color: var(--text-primary);
}

.logo-badge {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  padding: 0.2rem 0.6rem;
  background: var(--gradient-primary);
  color: #fff;
  border-radius: var(--border-radius-sm);
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 2rem;
  list-style: none;
}

.nav-link {
  text-decoration: none;
  color: var(--text-secondary);
  font-size: 0.92rem;
  font-weight: 500;
  transition: color var(--transition-fast);
  position: relative;
}

.nav-link:hover,
.nav-link.active {
  color: var(--text-accent);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -6px;
  left: 0;
  width: 0%;
  height: 2px;
  background: var(--gradient-primary);
  transition: width var(--transition-normal);
  border-radius: 2px;
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.theme-toggle-btn {
  background: var(--card-bg);
  border: 1px solid var(--glass-border);
  color: var(--text-primary);
  width: 40px;
  height: 40px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-normal);
}

.theme-toggle-btn:hover {
  border-color: var(--accent-primary);
  color: var(--accent-primary);
  transform: rotate(20deg);
}

.hamburger {
  display: none;
  background: none;
  border: none;
  color: var(--text-primary);
  font-size: 1.5rem;
  cursor: pointer;
}

/* Mobile Nav Drawer */
@media (max-width: 992px) {
  .hamburger {
    display: block;
  }

  .nav-menu {
    position: fixed;
    top: var(--nav-height);
    right: -100%;
    width: 280px;
    height: calc(100vh - var(--nav-height));
    background: var(--bg-secondary);
    border-left: 1px solid var(--glass-border);
    flex-direction: column;
    align-items: flex-start;
    padding: 2rem 1.5rem;
    gap: 1.5rem;
    transition: right var(--transition-normal);
    box-shadow: var(--shadow-lg);
  }

  .nav-menu.open {
    right: 0;
  }

  .nav-actions .btn-resume-nav {
    display: none;
  }
}

/* --- Hero Section --- */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: calc(var(--nav-height) + 2rem);
  padding-bottom: 4rem;
  position: relative;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 3.5rem;
  align-items: center;
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 1rem;
  background: rgba(99, 102, 241, 0.12);
  border: 1px solid rgba(99, 102, 241, 0.3);
  border-radius: var(--border-radius-full);
  color: #a5b4fc;
  font-size: 0.88rem;
  font-weight: 600;
  margin-bottom: 1.25rem;
}

.pulse-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent-tertiary);
  box-shadow: 0 0 10px var(--accent-tertiary);
  animation: pulseStatus 2s infinite;
}

@keyframes pulseStatus {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(1.3); }
}

.hero-title {
  font-size: 3.5rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: 1rem;
  line-height: 1.15;
}

.hero-role-wrapper {
  font-size: 1.45rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
  min-height: 2.2rem;
  display: flex;
  align-items: center;
  gap: 0.3rem;
}

.typed-role {
  color: var(--text-accent);
  font-family: var(--font-mono);
  font-weight: 600;
}

.cursor-blink {
  color: var(--accent-primary);
  font-weight: 300;
  animation: blinkCursor 1s infinite;
}

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

.hero-description {
  color: var(--text-secondary);
  font-size: 1.1rem;
  line-height: 1.7;
  max-width: 580px;
  margin-bottom: 2rem;
}

.hero-cta-group {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 2.5rem;
}

.hero-quick-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
  padding-top: 1.75rem;
  border-top: 1px solid var(--glass-border);
}

.stat-item {
  display: flex;
  flex-direction: column;
}

.stat-number {
  font-size: 1.85rem;
  font-weight: 800;
  color: var(--text-primary);
  font-family: var(--font-mono);
}

.stat-label {
  font-size: 0.82rem;
  color: var(--text-muted);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Hero Right: Developer Code Terminal & Floating Cards */
.hero-visual {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  width: 100%;
}

.code-terminal-card {
  width: 100%;
  max-width: 440px;
  background: var(--card-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--border-radius-md);
  box-shadow: var(--shadow-lg), 0 0 35px rgba(99, 102, 241, 0.15);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  overflow: hidden;
  position: relative;
  z-index: 2;
  transition: all var(--transition-normal);
}

.code-terminal-card:hover {
  border-color: var(--glass-border-hover);
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg), 0 0 45px rgba(99, 102, 241, 0.25);
}

.terminal-header {
  background: rgba(0, 0, 0, 0.25);
  padding: 0.75rem 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--glass-border);
}

.terminal-dots {
  display: flex;
  gap: 6px;
}

.terminal-dot {
  width: 11px;
  height: 11px;
  border-radius: 50%;
}

.dot-red { background: #ef4444; }
.dot-yellow { background: #f59e0b; }
.dot-green { background: #10b981; }

.terminal-title {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-secondary);
  font-weight: 500;
}

.terminal-lang {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--accent-secondary);
  font-weight: 600;
}

.terminal-body {
  padding: 1.25rem 1.5rem;
  background: rgba(3, 7, 18, 0.4);
}

.terminal-code {
  font-family: var(--font-mono);
  font-size: 0.84rem;
  line-height: 1.65;
  color: var(--text-primary);
  overflow-x: auto;
  white-space: pre;
}

.code-comment { color: #64748b; font-style: italic; }
.code-keyword { color: #c084fc; font-weight: 600; }
.code-class { color: #fde047; font-weight: 600; }
.code-func { color: #38bdf8; font-weight: 600; }
.code-param { color: #fb923c; }
.code-string { color: #34d399; }
.code-number { color: #f472b6; }

.terminal-footer {
  padding: 0.5rem 1.25rem;
  background: rgba(0, 0, 0, 0.2);
  border-top: 1px solid var(--glass-border);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: #94a3b8;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.terminal-status-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #10b981;
  box-shadow: 0 0 8px #10b981;
}

/* Floating Badges on Hero Visual */
.floating-card {
  position: absolute;
  background: var(--card-bg);
  backdrop-filter: blur(14px);
  border: 1px solid var(--glass-border);
  padding: 0.75rem 1.15rem;
  border-radius: var(--border-radius-md);
  box-shadow: var(--shadow-md);
  z-index: 3;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  animation: floatCard 4s ease-in-out infinite alternate;
}

.card-top-right {
  top: 10px;
  right: -25px;
  border-left: 3px solid var(--accent-tertiary);
}

.card-bottom-left {
  bottom: 15px;
  left: -30px;
  border-left: 3px solid var(--accent-primary);
  animation-delay: -2s;
}

@keyframes floatCard {
  0% { transform: translateY(0px); }
  100% { transform: translateY(-10px); }
}

.card-icon {
  font-size: 1.35rem;
}

.card-text-title {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text-primary);
}

.card-text-sub {
  font-size: 0.75rem;
  color: var(--text-muted);
}

@media (max-width: 992px) {
  .hero-grid {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 3rem;
  }

  .hero-role-wrapper {
    justify-content: center;
  }

  .hero-description {
    margin: 0 auto 2rem auto;
  }

  .hero-cta-group {
    justify-content: center;
  }

  .hero-quick-stats {
    max-width: 480px;
    margin: 0 auto;
  }

  .hero-visual {
    order: -1;
  }

  .code-terminal-card {
    max-width: 400px;
    margin: 0 auto;
  }

  .card-top-right { right: -5px; top: -10px; }
  .card-bottom-left { left: -5px; bottom: -10px; }
}

@media (max-width: 576px) {
  .hero-title {
    font-size: 2.35rem;
  }
  .code-terminal-card {
    max-width: 100%;
  }
  .terminal-body {
    padding: 1rem;
  }
  .terminal-code {
    font-size: 0.76rem;
  }
  .floating-card {
    display: none;
  }
  .hero-quick-stats {
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
  }
}

/* --- Recruiter Quick-Scan Banner --- */
.recruiter-bar {
  background: var(--gradient-card);
  border-top: 1px solid var(--glass-border);
  border-bottom: 1px solid var(--glass-border);
  padding: 1.5rem 0;
  backdrop-filter: blur(10px);
}

.recruiter-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.5rem;
  align-items: center;
}

.recruiter-item {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.recruiter-icon-wrap {
  width: 44px;
  height: 44px;
  border-radius: var(--border-radius-sm);
  background: rgba(99, 102, 241, 0.12);
  color: var(--accent-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  flex-shrink: 0;
}

.recruiter-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  font-weight: 600;
}

.recruiter-val {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-primary);
}

/* --- About Me Section --- */
.about-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 3rem;
  align-items: center;
}

.about-text p {
  color: var(--text-secondary);
  font-size: 1.05rem;
  line-height: 1.8;
  margin-bottom: 1.25rem;
}

.about-highlights {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-top: 2rem;
}

.highlight-box {
  background: var(--card-bg);
  border: 1px solid var(--glass-border);
  padding: 1.25rem;
  border-radius: var(--border-radius-md);
  transition: all var(--transition-normal);
}

.highlight-box:hover {
  border-color: var(--accent-primary);
  transform: translateY(-3px);
  background: var(--card-hover-bg);
}

.highlight-icon {
  font-size: 1.4rem;
  color: var(--accent-secondary);
  margin-bottom: 0.5rem;
}

.highlight-title {
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 0.25rem;
}

.highlight-desc {
  font-size: 0.82rem;
  color: var(--text-muted);
}

.about-cards-stack {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.about-feature-card {
  background: var(--card-bg);
  border: 1px solid var(--glass-border);
  padding: 1.5rem;
  border-radius: var(--border-radius-md);
  display: flex;
  gap: 1.25rem;
  transition: all var(--transition-normal);
}

.about-feature-card:hover {
  border-color: var(--glass-border-hover);
  transform: translateX(6px);
  background: var(--card-hover-bg);
}

.feature-card-icon {
  width: 50px;
  height: 50px;
  border-radius: var(--border-radius-sm);
  background: var(--gradient-primary);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  flex-shrink: 0;
}

.feature-card-content h4 {
  font-size: 1.05rem;
  margin-bottom: 0.35rem;
}

.feature-card-content p {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

@media (max-width: 992px) {
  .about-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 576px) {
  .about-highlights {
    grid-template-columns: 1fr;
  }
}

/* --- Skills Matrix Section --- */
.skills-filter-nav {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 2.5rem;
}

.skill-tab-btn {
  padding: 0.55rem 1.25rem;
  background: var(--card-bg);
  border: 1px solid var(--glass-border);
  color: var(--text-secondary);
  border-radius: var(--border-radius-full);
  font-size: 0.88rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-normal);
}

.skill-tab-btn:hover,
.skill-tab-btn.active {
  background: var(--gradient-primary);
  color: #fff;
  border-color: transparent;
  box-shadow: var(--shadow-glow);
}

.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}

.skill-category-card {
  background: var(--card-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--border-radius-lg);
  padding: 1.75rem;
  backdrop-filter: blur(12px);
  transition: all var(--transition-normal);
}

.skill-category-card:hover {
  border-color: var(--glass-border-hover);
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  background: var(--card-hover-bg);
}

.skill-cat-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--glass-border);
}

.skill-cat-icon {
  font-size: 1.35rem;
  color: var(--accent-secondary);
}

.skill-cat-title {
  font-size: 1.15rem;
  font-weight: 700;
}

.skills-chips-wrapper {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.skill-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.45rem 0.85rem;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--glass-border);
  border-radius: var(--border-radius-sm);
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-primary);
  transition: all var(--transition-fast);
}

.skill-chip:hover {
  background: rgba(99, 102, 241, 0.15);
  border-color: var(--accent-primary);
  color: var(--text-accent);
  transform: translateY(-2px);
}

.skill-chip .chip-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent-secondary);
}

/* --- Projects Section --- */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(460px, 1fr));
  gap: 2.5rem;
}

.project-card {
  background: var(--card-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: all var(--transition-normal);
  position: relative;
}

.project-card:hover {
  transform: translateY(-6px);
  border-color: var(--glass-border-hover);
  box-shadow: var(--shadow-lg);
  background: var(--card-hover-bg);
}

.project-badge-top {
  position: absolute;
  top: 1rem;
  right: 1rem;
  padding: 0.35rem 0.85rem;
  background: rgba(7, 10, 19, 0.85);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(8px);
  border-radius: var(--border-radius-full);
  font-size: 0.75rem;
  font-family: var(--font-mono);
  font-weight: 600;
  color: var(--accent-secondary);
  z-index: 5;
}

.project-media-wrap {
  width: 100%;
  height: 250px;
  background: var(--bg-tertiary);
  overflow: hidden;
  position: relative;
}

.project-svg-preview {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.project-card:hover .project-svg-preview {
  transform: scale(1.03);
}

.project-body {
  padding: 2rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.project-type-tag {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--accent-primary);
  font-weight: 600;
  text-transform: uppercase;
  margin-bottom: 0.4rem;
}

.project-title {
  font-size: 1.45rem;
  margin-bottom: 0.85rem;
  line-height: 1.35;
}

.project-summary {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.6;
  margin-bottom: 1.5rem;
}

.project-highlights-list {
  list-style: none;
  margin-bottom: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.project-highlights-list li {
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
  font-size: 0.88rem;
  color: var(--text-secondary);
}

.project-highlights-list li span.bullet-icon {
  color: var(--accent-tertiary);
  font-weight: bold;
}

.project-tech-stack {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.75rem;
  margin-top: auto;
}

.tech-tag {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  padding: 0.25rem 0.65rem;
  background: rgba(99, 102, 241, 0.1);
  border: 1px solid rgba(99, 102, 241, 0.2);
  color: #a5b4fc;
  border-radius: var(--border-radius-sm);
}

.project-actions {
  display: flex;
  gap: 1rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--glass-border);
}

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

/* --- Education Timeline Section --- */
.timeline-wrapper {
  position: relative;
  max-width: 860px;
  margin: 0 auto;
  padding-left: 2rem;
}

.timeline-wrapper::before {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  left: 8px;
  width: 2px;
  background: linear-gradient(to bottom, var(--accent-primary), var(--accent-secondary), var(--accent-tertiary));
}

.timeline-item {
  position: relative;
  margin-bottom: 3rem;
}

.timeline-item:last-child {
  margin-bottom: 0;
}

.timeline-dot {
  position: absolute;
  top: 0;
  left: -2rem;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--bg-primary);
  border: 3px solid var(--accent-secondary);
  box-shadow: 0 0 12px var(--accent-secondary);
  z-index: 2;
  transform: translateX(-1px);
}

.timeline-card {
  background: var(--card-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--border-radius-md);
  padding: 1.75rem;
  backdrop-filter: blur(10px);
  transition: all var(--transition-normal);
}

.timeline-card:hover {
  border-color: var(--glass-border-hover);
  transform: translateX(6px);
  background: var(--card-hover-bg);
}

.timeline-date-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.25rem 0.75rem;
  background: rgba(6, 182, 212, 0.12);
  color: var(--accent-secondary);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 600;
  border-radius: var(--border-radius-full);
  margin-bottom: 0.75rem;
}

.timeline-degree {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 0.35rem;
}

.timeline-institution {
  color: var(--text-accent);
  font-size: 0.95rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
}

.timeline-meta-score {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 0.85rem;
  background: rgba(16, 185, 129, 0.12);
  border: 1px solid rgba(16, 185, 129, 0.3);
  color: #34d399;
  border-radius: var(--border-radius-sm);
  font-weight: 700;
  font-size: 0.9rem;
  margin-bottom: 0.75rem;
}

.timeline-desc {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

/* --- Achievements Section --- */
.achievements-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 1.5rem;
}

.achievement-card {
  background: var(--card-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--border-radius-md);
  padding: 1.75rem;
  display: flex;
  align-items: flex-start;
  gap: 1.25rem;
  transition: all var(--transition-normal);
}

.achievement-card:hover {
  border-color: var(--accent-warning);
  transform: translateY(-4px);
  box-shadow: 0 10px 25px -5px rgba(245, 158, 11, 0.15);
  background: var(--card-hover-bg);
}

.achievement-icon-box {
  width: 52px;
  height: 52px;
  border-radius: var(--border-radius-sm);
  background: rgba(245, 158, 11, 0.12);
  color: var(--accent-warning);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  flex-shrink: 0;
}

.achievement-content h4 {
  font-size: 1.1rem;
  margin-bottom: 0.4rem;
}

.achievement-content p {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

/* --- Contact & Recruiter Connect Section --- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 3rem;
}

.contact-info-col {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.contact-card-item {
  background: var(--card-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--border-radius-md);
  padding: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  transition: all var(--transition-normal);
}

.contact-card-item:hover {
  border-color: var(--accent-primary);
  background: var(--card-hover-bg);
}

.contact-card-left {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.contact-card-icon {
  width: 46px;
  height: 46px;
  border-radius: var(--border-radius-sm);
  background: rgba(99, 102, 241, 0.12);
  color: var(--accent-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  flex-shrink: 0;
}

.contact-card-label {
  font-size: 0.78rem;
  color: var(--text-muted);
  text-transform: uppercase;
  font-weight: 600;
}

.contact-card-value {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-primary);
  word-break: break-all;
}

.contact-copy-btn {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--glass-border);
  color: var(--text-secondary);
  padding: 0.4rem 0.75rem;
  border-radius: var(--border-radius-sm);
  font-size: 0.8rem;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.contact-copy-btn:hover {
  background: var(--accent-primary);
  color: #fff;
  border-color: transparent;
}

.contact-form-card {
  background: var(--card-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--border-radius-lg);
  padding: 2.25rem;
  backdrop-filter: blur(12px);
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.form-label {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-primary);
}

.form-input,
.form-textarea {
  width: 100%;
  padding: 0.85rem 1.15rem;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--glass-border);
  border-radius: var(--border-radius-sm);
  color: var(--text-primary);
  font-family: var(--font-main);
  font-size: 0.95rem;
  outline: none;
  transition: all var(--transition-fast);
}

.form-input:focus,
.form-textarea:focus {
  border-color: var(--accent-primary);
  background: rgba(255, 255, 255, 0.06);
  box-shadow: 0 0 15px rgba(99, 102, 241, 0.2);
}

.form-textarea {
  resize: vertical;
  min-height: 120px;
}

@media (max-width: 992px) {
  .contact-grid {
    grid-template-columns: 1fr;
  }
}

/* --- Modals (Resume & Project Details) --- */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
}

.modal-overlay.active {
  opacity: 1;
  visibility: visible;
}

.modal-dialog {
  background: var(--bg-secondary);
  border: 1px solid var(--glass-border);
  border-radius: var(--border-radius-lg);
  width: 100%;
  max-width: 800px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-lg);
  transform: translateY(20px) scale(0.96);
  transition: all var(--transition-normal);
  position: relative;
}

.modal-overlay.active .modal-dialog {
  transform: translateY(0) scale(1);
}

.modal-header {
  padding: 1.5rem 2rem;
  border-bottom: 1px solid var(--glass-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  background: var(--bg-secondary);
  z-index: 10;
}

.modal-title {
  font-size: 1.35rem;
  font-weight: 700;
}

.modal-close-btn {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  font-size: 1.5rem;
  cursor: pointer;
  transition: color var(--transition-fast);
}

.modal-close-btn:hover {
  color: var(--accent-danger);
}

.modal-body {
  padding: 2rem;
}

/* Printable Resume Modal Specifics */
.resume-paper {
  background: #ffffff;
  color: #1e293b;
  padding: 2.5rem;
  border-radius: var(--border-radius-sm);
  box-shadow: var(--shadow-md);
  font-family: var(--font-main);
  line-height: 1.5;
}

.resume-header {
  text-align: center;
  border-bottom: 2px solid #0f172a;
  padding-bottom: 1rem;
  margin-bottom: 1.5rem;
}

.resume-name {
  font-size: 2rem;
  font-weight: 800;
  color: #0f172a;
  letter-spacing: 0.05em;
}

.resume-contact-line {
  font-size: 0.9rem;
  color: #475569;
  margin-top: 0.35rem;
}

.resume-section-title {
  font-size: 1.1rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: #0f172a;
  border-bottom: 1.5px solid #cbd5e1;
  padding-bottom: 0.25rem;
  margin: 1.25rem 0 0.75rem 0;
}

.resume-content p {
  font-size: 0.9rem;
  color: #334155;
  margin-bottom: 0.5rem;
}

.resume-item-header {
  display: flex;
  justify-content: space-between;
  font-weight: 700;
  font-size: 0.95rem;
  color: #0f172a;
}

.resume-item-sub {
  display: flex;
  justify-content: space-between;
  font-size: 0.88rem;
  color: #475569;
  font-style: italic;
  margin-bottom: 0.35rem;
}

.resume-bullet-list {
  padding-left: 1.25rem;
  font-size: 0.88rem;
  color: #334155;
  margin-bottom: 0.75rem;
}

.resume-skills-grid {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 0.4rem 0.8rem;
  font-size: 0.88rem;
  color: #334155;
}

.resume-skills-grid strong {
  color: #0f172a;
}

/* --- Toast Notifications --- */
.toast-container {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 3000;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.toast {
  background: var(--bg-secondary);
  border: 1px solid var(--accent-tertiary);
  color: var(--text-primary);
  padding: 0.9rem 1.4rem;
  border-radius: var(--border-radius-md);
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.9rem;
  font-weight: 600;
  animation: slideInToast 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  backdrop-filter: blur(12px);
}

@keyframes slideInToast {
  from { transform: translateX(100%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

/* --- Footer --- */
.footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--glass-border);
  padding: 3.5rem 0 2rem 0;
  margin-top: 4rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 2.5rem;
}

.footer-brand h3 {
  font-size: 1.35rem;
  margin-bottom: 0.75rem;
}

.footer-brand p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.6;
  max-width: 360px;
}

.footer-col h4 {
  font-size: 1rem;
  margin-bottom: 1rem;
  color: var(--text-primary);
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.footer-links a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.88rem;
  transition: color var(--transition-fast);
}

.footer-links a:hover {
  color: var(--text-accent);
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 2rem;
  border-top: 1px solid var(--glass-border);
  font-size: 0.85rem;
  color: var(--text-muted);
}

.back-to-top-btn {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: var(--card-bg);
  border: 1px solid var(--glass-border);
  color: var(--text-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-normal);
}

.back-to-top-btn:hover {
  background: var(--accent-primary);
  color: #fff;
  transform: translateY(-3px);
}

@media (max-width: 768px) {
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }
}

/* Scroll Animations */
.reveal-on-scroll {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s cubic-bezier(0.4, 0, 0.2, 1), transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal-on-scroll.revealed {
  opacity: 1;
  transform: translateY(0);
}