/* ==========================================================================
   AAYUSH KUMAR — PORTFOLIO DESIGN SYSTEM
   Inspired by Ahmad Faizien / OnPoint Studio Dribbble aesthetic
   SRM University AP • CSE (AI & ML)
   ========================================================================== */

/* ----------------- CSS Custom Properties (Theme Tokens) ----------------- */
:root {
  /* Color Palette - Light Theme (Default, matching Dribbble reference) */
  --bg-primary: #f8f9fa;
  --bg-secondary: #ffffff;
  --bg-tertiary: #f1f3f5;
  --bg-card: rgba(255, 255, 255, 0.85);
  --bg-card-hover: rgba(255, 255, 255, 0.98);
  
  --text-primary: #121316;
  --text-secondary: #5a5f6b;
  --text-muted: #8c92a4;
  --text-contrast: #000000;

  /* Neon Lime / Chartreuse Signature Accents */
  --accent: #a3e635; /* Bright neon lime */
  --accent-glow: rgba(163, 230, 53, 0.35);
  --accent-light: #ecfccb;
  --accent-dark: #65a30d;
  --accent-text: #1a2e05;

  /* Secondary Accents */
  --cyan-accent: #06b6d4;
  --purple-accent: #8b5cf6;
  --amber-accent: #f59e0b;

  /* Borders & Glassmorphism */
  --border-subtle: rgba(0, 0, 0, 0.07);
  --border-strong: rgba(0, 0, 0, 0.15);
  --glass-bg: rgba(255, 255, 255, 0.75);
  --glass-border: rgba(255, 255, 255, 0.9);
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 12px 30px -10px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 25px 50px -12px rgba(0, 0, 0, 0.12);
  --shadow-accent: 0 10px 30px -5px rgba(163, 230, 53, 0.4);

  /* Typography */
  --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-serif: 'Instrument Serif', Georgia, 'Times New Roman', serif;
  --font-mono: 'JetBrains Mono', monospace;

  /* Transitions */
  --transition-fast: 0.15s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-smooth: 0.6s cubic-bezier(0.16, 1, 0.3, 1);

  /* Layout */
  --container-max: 1240px;
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-xl: 36px;
  --radius-full: 9999px;
}

/* ----------------- Dark Theme Tokens ----------------- */
[data-theme="dark"] {
  --bg-primary: #090c10;
  --bg-secondary: #10151d;
  --bg-tertiary: #161e29;
  --bg-card: rgba(16, 21, 29, 0.85);
  --bg-card-hover: rgba(22, 30, 41, 0.95);

  --text-primary: #f0f3f6;
  --text-secondary: #9aa2b1;
  --text-muted: #647087;
  --text-contrast: #ffffff;

  --accent: #bef264;
  --accent-glow: rgba(190, 242, 100, 0.25);
  --accent-light: #1f2d0a;
  --accent-dark: #a3e635;
  --accent-text: #051000;

  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-strong: rgba(255, 255, 255, 0.16);
  --glass-bg: rgba(16, 21, 29, 0.8);
  --glass-border: rgba(255, 255, 255, 0.12);
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 12px 30px -10px rgba(0, 0, 0, 0.5);
  --shadow-lg: 0 25px 50px -12px rgba(0, 0, 0, 0.7);
  --shadow-accent: 0 10px 30px -5px rgba(190, 242, 100, 0.25);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

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

/* Reduced Motion Preference Compliance */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

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

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

button, input, select, textarea {
  font: inherit;
  color: inherit;
}

button {
  background: none;
  border: none;
  cursor: pointer;
}

.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: 24px;
  padding-right: 24px;
}

.section {
  padding-top: 100px;
  padding-bottom: 100px;
  position: relative;
  z-index: 2;
}

/* ----------------- Interactive Custom Cursor ----------------- */
.custom-cursor {
  position: fixed;
  top: 0;
  left: 0;
  width: 32px;
  height: 32px;
  border: 1.5px solid var(--accent);
  border-radius: 50%;
  pointer-events: none;
  z-index: 9999;
  transform: translate(-50%, -50%);
  transition: width 0.25s ease, height 0.25s ease, background-color 0.25s ease, border-color 0.25s ease;
  mix-blend-mode: difference;
}

.cursor-dot {
  position: fixed;
  top: 0;
  left: 0;
  width: 6px;
  height: 6px;
  background-color: var(--accent);
  border-radius: 50%;
  pointer-events: none;
  z-index: 10000;
  transform: translate(-50%, -50%);
  transition: opacity 0.15s ease;
}

.custom-cursor.hovering {
  width: 56px;
  height: 56px;
  background-color: rgba(163, 230, 53, 0.2);
  border-color: transparent;
  backdrop-filter: blur(2px);
}

@media (pointer: coarse), (max-width: 768px) {
  .custom-cursor, .cursor-dot {
    display: none !important;
  }
}

/* ----------------- Ambient Neural Canvas Background ----------------- */
.neural-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 1;
  opacity: 0.65;
  transition: opacity var(--transition-normal);
}

[data-theme="dark"] .neural-canvas {
  opacity: 0.45;
}

/* ----------------- Sticky Glassmorphic Header ----------------- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 100;
  padding: 16px 0;
  transition: all var(--transition-normal);
}

.site-header.scrolled {
  background: var(--glass-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-subtle);
  padding: 12px 0;
  box-shadow: var(--shadow-sm);
}

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

.brand-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.1rem;
}

.logo-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  background-color: var(--accent);
  color: var(--accent-text);
  font-size: 0.85rem;
  font-weight: 800;
  border-radius: 10px;
  box-shadow: 0 4px 12px var(--accent-glow);
  transition: transform var(--transition-fast);
}

.brand-logo:hover .logo-mark {
  transform: rotate(6deg) scale(1.05);
}

.logo-text {
  letter-spacing: -0.02em;
}

.logo-tag {
  font-size: 0.7rem;
  font-weight: 600;
  padding: 2px 7px;
  background: var(--bg-tertiary);
  color: var(--text-secondary);
  border-radius: var(--radius-full);
  border: 1px solid var(--border-subtle);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-link {
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--text-secondary);
  position: relative;
  transition: color var(--transition-fast);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0%;
  height: 2px;
  background-color: var(--accent);
  transition: width var(--transition-normal);
  border-radius: 2px;
}

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

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

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

.icon-btn {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-full);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  transition: all var(--transition-fast);
}

.icon-btn:hover {
  color: var(--text-primary);
  border-color: var(--border-strong);
  transform: translateY(-1px);
}

/* Light / Dark Mode Toggle Icon Logic */
[data-theme="light"] .sun-icon {
  display: none;
}
[data-theme="light"] .moon-icon {
  display: block;
}
[data-theme="dark"] .sun-icon {
  display: block;
}
[data-theme="dark"] .moon-icon {
  display: none;
}

/* Sound Toggle Logic */
.sound-off {
  display: none;
}
body.muted .sound-on {
  display: none;
}
body.muted .sound-off {
  display: block;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  font-size: 0.92rem;
  font-weight: 600;
  border-radius: var(--radius-full);
  transition: all var(--transition-normal);
  white-space: nowrap;
}

.btn-sm {
  padding: 8px 18px;
  font-size: 0.84rem;
}

.btn-primary {
  background-color: #121316;
  color: #ffffff;
  border: 1px solid transparent;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

[data-theme="dark"] .btn-primary {
  background-color: var(--accent);
  color: var(--accent-text);
  box-shadow: var(--shadow-accent);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.18);
}

[data-theme="dark"] .btn-primary:hover {
  background-color: #d9f99d;
  box-shadow: 0 10px 30px rgba(190, 242, 100, 0.4);
}

.btn-secondary {
  background-color: var(--bg-secondary);
  color: var(--text-primary);
  border: 1px solid var(--border-strong);
}

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

.btn-ghost {
  color: var(--text-secondary);
  border: 1px solid transparent;
}

.btn-ghost:hover {
  color: var(--text-primary);
  background-color: var(--bg-tertiary);
}

.btn-dark-pill {
  background-color: #121316;
  color: #ffffff;
  padding: 14px 30px;
  border-radius: var(--radius-full);
  font-size: 0.95rem;
  font-weight: 600;
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.btn-dark-pill:hover {
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.3);
}

/* Mobile Hamburger Menu */
.mobile-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 32px;
  height: 32px;
  justify-content: center;
  align-items: center;
  padding: 4px;
}

.mobile-toggle span {
  width: 22px;
  height: 2px;
  background-color: var(--text-primary);
  border-radius: 2px;
  transition: all var(--transition-fast);
}

.mobile-nav {
  display: none;
}

/* ----------------- HERO SECTION ----------------- */
.hero-section {
  padding-top: 160px;
  padding-bottom: 80px;
  position: relative;
  overflow: hidden;
}

.hero-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  position: relative;
  z-index: 2;
}

/* Status Pill */
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 6px 16px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-full);
  font-size: 0.84rem;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 28px;
  box-shadow: var(--shadow-sm);
}

.status-indicator {
  width: 8px;
  height: 8px;
  background-color: #22c55e;
  border-radius: 50%;
  position: relative;
}

.status-indicator::after {
  content: '';
  position: absolute;
  top: -3px;
  left: -3px;
  right: -3px;
  bottom: -3px;
  border: 2px solid #22c55e;
  border-radius: 50%;
  animation: pulsePing 1.8s infinite;
}

@keyframes pulsePing {
  0% { transform: scale(0.8); opacity: 1; }
  100% { transform: scale(2.2); opacity: 0; }
}

/* Hero Typography */
.hero-title {
  font-size: clamp(2.4rem, 5.2vw, 4.4rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.035em;
  color: var(--text-contrast);
  max-width: 980px;
  margin-bottom: 24px;
}

.title-highlight {
  position: relative;
  display: inline-block;
  background: linear-gradient(120deg, var(--text-primary) 30%, var(--accent-dark) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

[data-theme="dark"] .title-highlight {
  background: linear-gradient(120deg, #ffffff 40%, var(--accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subtitle {
  font-size: clamp(1.05rem, 1.8vw, 1.25rem);
  color: var(--text-secondary);
  max-width: 720px;
  margin-bottom: 36px;
  font-weight: 400;
  line-height: 1.6;
}

.text-contrast {
  color: var(--text-contrast);
}

.text-accent {
  color: var(--text-primary);
  font-weight: 600;
  text-decoration: underline;
  text-decoration-color: var(--accent);
  text-decoration-thickness: 3px;
  text-underline-offset: 4px;
}

.hero-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 50px;
}

/* Floating Tech Marquee Strip */
.hero-tech-strip {
  display: flex;
  align-items: center;
  width: 100%;
  max-width: 860px;
  padding: 12px 20px;
  background: var(--bg-card);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-full);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}

.strip-label {
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  white-space: nowrap;
  padding-right: 16px;
  border-right: 1px solid var(--border-subtle);
}

.marquee-track {
  display: flex;
  overflow: hidden;
  user-select: none;
  mask-image: linear-gradient(to right, transparent, black 10%, black 90%, transparent);
}

.marquee-content {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 0 8px;
  animation: scrollMarquee 26s linear infinite;
}

.tech-tag {
  font-size: 0.8rem;
  font-weight: 600;
  padding: 4px 12px;
  background: var(--bg-tertiary);
  color: var(--text-secondary);
  border-radius: var(--radius-full);
  border: 1px solid var(--border-subtle);
  white-space: nowrap;
}

@keyframes scrollMarquee {
  from { transform: translateX(0); }
  to { transform: translateX(-100%); }
}

.hero-tech-strip:hover .marquee-content {
  animation-play-state: paused;
}

/* ----------------- SECTION HEADERS (Editorial Eyebrow) ----------------- */
.section-header {
  margin-bottom: 60px;
}

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

.section-eyebrow {
  display: inline-block;
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 1.35rem;
  color: var(--text-secondary);
  margin-bottom: 8px;
  letter-spacing: -0.01em;
}

.section-title {
  font-size: clamp(2rem, 3.8vw, 3rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--text-contrast);
  margin-bottom: 14px;
}

.section-desc {
  font-size: 1.05rem;
  color: var(--text-secondary);
  max-width: 620px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.6;
}

/* ----------------- METHODOLOGY / HOW IT WORKS ----------------- */
.philosophy-section {
  position: relative;
}

.methodology-flow {
  position: relative;
  margin-bottom: 80px;
}

/* SVG Connector Line across cards */
.connector-svg {
  position: absolute;
  top: 50%;
  left: 0;
  width: 100%;
  height: 180px;
  transform: translateY(-50%);
  pointer-events: none;
  z-index: 1;
}

.connector-glow {
  animation: dashCycle 8s linear infinite;
}

@keyframes dashCycle {
  to {
    stroke-dashoffset: -120;
  }
}

.connector-node {
  filter: drop-shadow(0 0 8px var(--accent));
  animation: pulseNode 2.5s ease-in-out infinite alternate;
}

@keyframes pulseNode {
  0% { transform: scale(0.9); opacity: 0.8; }
  100% { transform: scale(1.3); opacity: 1; }
}

.cards-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  position: relative;
  z-index: 2;
}

.methodology-card {
  position: relative;
  background: var(--bg-card);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 44px 32px 36px;
  transition: transform var(--transition-normal), box-shadow var(--transition-normal), border-color var(--transition-normal);
  transform-style: preserve-3d;
  overflow: hidden;
}

.methodology-card:hover {
  transform: translateY(-8px);
  border-color: var(--accent);
  box-shadow: var(--shadow-lg), 0 0 30px var(--accent-glow);
}

.card-glow-pill {
  position: absolute;
  top: -40px;
  right: -40px;
  width: 120px;
  height: 120px;
  background: radial-gradient(circle, var(--accent) 0%, transparent 70%);
  opacity: 0.15;
  pointer-events: none;
  transition: opacity var(--transition-normal);
}

.methodology-card:hover .card-glow-pill {
  opacity: 0.35;
}

.card-step-num {
  font-size: 2.8rem;
  font-weight: 800;
  letter-spacing: -0.04em;
  color: var(--text-contrast);
  margin-bottom: 20px;
  line-height: 1;
}

.methodology-card .card-title {
  font-size: 1.45rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text-contrast);
  margin-bottom: 14px;
}

.methodology-card .card-body {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 24px;
}

.card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.pill-tag {
  font-size: 0.74rem;
  font-weight: 600;
  padding: 4px 10px;
  background: var(--bg-tertiary);
  color: var(--text-secondary);
  border-radius: var(--radius-full);
  border: 1px solid var(--border-subtle);
}

/* Featured Center Card */
.card-featured {
  border-color: var(--border-strong);
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}

/* ----------------- TESTIMONIALS (Mirroring Dribbble Cards) ----------------- */
.testimonials-container {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}

.testimonial-card {
  background: var(--bg-card);
  backdrop-filter: blur(10px);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 36px 32px;
  position: relative;
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

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

.quote-mark {
  font-family: var(--font-serif);
  font-size: 3rem;
  line-height: 1;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.quote-text {
  font-size: 0.98rem;
  color: var(--text-primary);
  line-height: 1.65;
  margin-bottom: 24px;
}

.quote-author {
  display: flex;
  align-items: center;
  gap: 14px;
}

.author-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.9rem;
  box-shadow: var(--shadow-sm);
}

.author-info {
  display: flex;
  flex-direction: column;
}

.author-name {
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--text-contrast);
}

.author-role {
  font-size: 0.8rem;
  color: var(--text-secondary);
}

/* ----------------- SELECTED WORKS / PROJECTS ----------------- */
.projects-section {
  position: relative;
}

.project-filters {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  margin-bottom: 48px;
  flex-wrap: wrap;
}

.filter-btn {
  padding: 8px 20px;
  font-size: 0.88rem;
  font-weight: 600;
  border-radius: var(--radius-full);
  background: var(--bg-secondary);
  color: var(--text-secondary);
  border: 1px solid var(--border-subtle);
  transition: all var(--transition-fast);
}

.filter-btn:hover {
  color: var(--text-primary);
  border-color: var(--border-strong);
}

.filter-btn.active {
  background: #121316;
  color: #ffffff;
  border-color: #121316;
}

[data-theme="dark"] .filter-btn.active {
  background: var(--accent);
  color: var(--accent-text);
  border-color: var(--accent);
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 40px;
}

.project-card {
  background: var(--bg-card);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: transform var(--transition-normal), box-shadow var(--transition-normal), border-color var(--transition-normal);
  display: flex;
  flex-direction: column;
}

.project-card:hover {
  transform: translateY(-8px);
  border-color: var(--border-strong);
  box-shadow: var(--shadow-lg);
}

.project-media-wrapper {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  background-color: var(--bg-tertiary);
  overflow: hidden;
  border-bottom: 1px solid var(--border-subtle);
}

.project-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.project-card:hover .project-img {
  transform: scale(1.05);
}

.media-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.45);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.project-card:hover .media-overlay {
  opacity: 1;
}

.quick-view-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: #ffffff;
  color: #121316;
  padding: 10px 22px;
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 700;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.25);
  transform: translateY(12px);
  transition: transform var(--transition-normal);
}

.project-card:hover .quick-view-btn {
  transform: translateY(0);
}

.project-badge {
  position: absolute;
  top: 14px;
  left: 14px;
  font-size: 0.74rem;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: var(--radius-full);
  background: rgba(18, 19, 22, 0.85);
  color: var(--accent);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.15);
  letter-spacing: 0.02em;
}

.project-info {
  padding: 28px 24px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.project-title-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 10px;
}

.project-title {
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text-contrast);
}

.project-arrow {
  font-size: 1.2rem;
  color: var(--text-muted);
  transition: transform var(--transition-fast), color var(--transition-fast);
}

.project-card:hover .project-arrow {
  color: var(--accent-dark);
  transform: translate(3px, -3px);
}

[data-theme="dark"] .project-card:hover .project-arrow {
  color: var(--accent);
}

.project-summary {
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.55;
  margin-bottom: 20px;
  flex-grow: 1;
}

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

.tag {
  font-size: 0.74rem;
  font-weight: 600;
  padding: 3px 10px;
  background: var(--bg-tertiary);
  color: var(--text-secondary);
  border-radius: var(--radius-full);
  border: 1px solid var(--border-subtle);
}

/* Interactive Dynamic Mock Screens (Projects 3 & 4) */
.mock-dynamic-wrapper {
  background: #090d14;
  position: relative;
  overflow: hidden;
}

/* SynapseFlow Simulation Screen */
.mock-cv-screen {
  width: 100%;
  height: 100%;
  position: relative;
  background: radial-gradient(circle at 60% 40%, #152238 0%, #06090e 100%);
  overflow: hidden;
}

.cv-camera-header {
  position: absolute;
  top: 12px;
  left: 12px;
  right: 12px;
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: #a3e635;
  z-index: 5;
}

.cam-dot {
  width: 7px;
  height: 7px;
  background-color: #ef4444;
  border-radius: 50%;
  animation: pulsePing 1.2s infinite;
}

.fps-counter {
  margin-left: auto;
  color: #38bdf8;
}

.cv-detection-box {
  position: absolute;
  border: 1.5px solid var(--accent);
  background: rgba(163, 230, 53, 0.08);
  border-radius: 4px;
}

.box-label {
  position: absolute;
  top: -18px;
  left: -1px;
  font-family: var(--font-mono);
  font-size: 0.62rem;
  background: var(--accent);
  color: #000;
  font-weight: 700;
  padding: 1px 4px;
  border-radius: 2px;
  white-space: nowrap;
}

.box-1 {
  top: 35%;
  left: 20%;
  width: 90px;
  height: 120px;
  animation: floatBox1 6s ease-in-out infinite alternate;
}

.box-2 {
  top: 48%;
  left: 60%;
  width: 130px;
  height: 80px;
  border-color: #38bdf8;
  background: rgba(56, 189, 248, 0.08);
  animation: floatBox2 7s ease-in-out infinite alternate;
}

.box-2 .box-label {
  background: #38bdf8;
}

@keyframes floatBox1 {
  0% { transform: translate(0, 0); }
  100% { transform: translate(15px, -10px); }
}

@keyframes floatBox2 {
  0% { transform: translate(0, 0); }
  100% { transform: translate(-20px, 8px); }
}

.cv-radar-grid {
  position: absolute;
  inset: 0;
  background-image: 
    linear-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
  background-size: 24px 24px;
}

/* CampusRover LiDAR Navigation Screen */
.mock-nav-screen {
  width: 100%;
  height: 100%;
  position: relative;
  background: #080c14;
  overflow: hidden;
}

.lidar-sweep {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 220px;
  height: 220px;
  margin-top: -110px;
  margin-left: -110px;
  border-radius: 50%;
  border: 1px solid rgba(163, 230, 53, 0.25);
  background: conic-gradient(from 0deg, rgba(163, 230, 53, 0.3) 0deg, transparent 60deg);
  animation: rotateSweep 4s linear infinite;
}

@keyframes rotateSweep {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.nav-path-line {
  position: absolute;
  top: 30%;
  left: 20%;
  width: 60%;
  height: 45%;
  border-left: 2px dashed #38bdf8;
  border-bottom: 2px dashed #38bdf8;
  border-bottom-left-radius: 40px;
}

.nav-target-dot {
  position: absolute;
  top: 73%;
  left: 80%;
  width: 10px;
  height: 10px;
  background: #bef264;
  border-radius: 50%;
  box-shadow: 0 0 12px #bef264;
}

.telemetry-box {
  position: absolute;
  bottom: 12px;
  left: 12px;
  background: rgba(0, 0, 0, 0.65);
  backdrop-filter: blur(6px);
  padding: 6px 10px;
  border-radius: 6px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: #cbd5e1;
  display: flex;
  gap: 12px;
}

.telemetry-box strong {
  color: #a3e635;
}

/* ----------------- LIVE AI TERMINAL / BENCHMARK LAB ----------------- */
.terminal-section {
  position: relative;
}

.terminal-container {
  max-width: 1040px;
  margin: 0 auto;
  background: #0d1117;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255, 255, 255, 0.12);
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.45);
  overflow: hidden;
}

.terminal-chrome {
  background: #161b22;
  padding: 12px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.terminal-dots {
  display: flex;
  gap: 8px;
}

.dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
}

.dot.red { background: #ff5f56; }
.dot.yellow { background: #ffbd2e; }
.dot.green { background: #27c93f; }

.terminal-title {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: #8b949e;
}

.terminal-status {
  display: flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: #3fb950;
  font-weight: 600;
}

.pulse-indicator {
  width: 6px;
  height: 6px;
  background: #3fb950;
  border-radius: 50%;
  animation: pulsePing 2s infinite;
}

.terminal-content {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  padding: 24px;
  gap: 24px;
}

.terminal-left {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.model-select-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.model-select-group label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: #8b949e;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.styled-select {
  background: #161b22;
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: #e6edf3;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  font-size: 0.88rem;
  outline: none;
  transition: border-color var(--transition-fast);
}

.styled-select:focus {
  border-color: var(--accent);
}

.neural-viz-box {
  background: #090d13;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-sm);
  padding: 14px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.viz-header {
  display: flex;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: #8b949e;
}

#waveformCanvas {
  width: 100%;
  height: 90px;
  display: block;
}

.benchmark-actions {
  display: flex;
  gap: 10px;
}

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

.telemetry-pills {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}

.telemetry-card {
  background: #161b22;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-sm);
  padding: 10px 12px;
  display: flex;
  flex-direction: column;
}

.telem-label {
  font-family: var(--font-mono);
  font-size: 0.66rem;
  color: #8b949e;
  margin-bottom: 2px;
}

.telem-val {
  font-family: var(--font-mono);
  font-size: 0.95rem;
  font-weight: 700;
  color: #bef264;
}

.console-output {
  background: #090d13;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-sm);
  padding: 16px;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  line-height: 1.6;
  min-height: 180px;
  max-height: 220px;
  overflow-y: auto;
  color: #c9d1d9;
}

.log-line {
  margin-bottom: 4px;
  word-break: break-word;
}

.text-muted { color: #8b949e; }
.text-info { color: #58a6ff; }
.text-accent { color: #bef264; }

/* ----------------- ABOUT ME / PUSHING BOUNDARIES (Mirroring Dribbble) ----------------- */
.about-section {
  position: relative;
}

.serif-accent {
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: 400;
}

.about-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.3fr;
  gap: 56px;
  align-items: start;
}

.about-card-left {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.portrait-wrapper {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border-subtle);
  background: var(--bg-tertiary);
  aspect-ratio: 3 / 4;
}

.portrait-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.portrait-wrapper:hover .portrait-img {
  transform: scale(1.03);
}

.portrait-badge {
  position: absolute;
  bottom: 16px;
  left: 16px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  background: rgba(18, 19, 22, 0.85);
  backdrop-filter: blur(12px);
  color: #ffffff;
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 600;
  border: 1px solid rgba(255, 255, 255, 0.15);
}

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

.about-id-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 18px;
  background: var(--bg-card);
  backdrop-filter: blur(10px);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
}

.id-name {
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--text-contrast);
}

.id-role {
  font-size: 0.8rem;
  color: var(--text-secondary);
}

.about-socials {
  display: flex;
  gap: 10px;
}

.social-icon {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-tertiary);
  color: var(--text-secondary);
  border: 1px solid var(--border-subtle);
  transition: all var(--transition-fast);
}

.social-icon:hover {
  background: var(--accent);
  color: var(--accent-text);
  border-color: var(--accent);
  transform: translateY(-2px);
}

.about-card-right {
  display: flex;
  flex-direction: column;
  gap: 36px;
}

.bio-text {
  font-size: 1.08rem;
  line-height: 1.7;
  color: var(--text-secondary);
}

.bio-text strong {
  color: var(--text-contrast);
}

.bio-text p + p {
  margin-top: 16px;
}

/* Experience Table (Exact styling of Dribbble screenshot) */
.experience-list {
  display: flex;
  flex-direction: column;
  border-top: 1px solid var(--border-subtle);
}

.exp-row {
  display: grid;
  grid-template-columns: 1.2fr 1.6fr 1fr;
  padding: 18px 0;
  border-bottom: 1px solid var(--border-subtle);
  font-size: 0.95rem;
  align-items: center;
  transition: background-color var(--transition-fast);
}

.exp-row:hover {
  background-color: var(--bg-card);
  padding-left: 12px;
  padding-right: 12px;
  border-radius: var(--radius-sm);
}

.exp-role {
  font-weight: 700;
  color: var(--text-contrast);
}

.exp-org {
  color: var(--text-secondary);
}

.exp-period {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--text-muted);
  text-align: right;
  white-space: nowrap;
}

.arrow-glyph {
  color: var(--accent-dark);
  font-weight: 700;
  margin: 0 4px;
}

[data-theme="dark"] .arrow-glyph {
  color: var(--accent);
}

/* Stats Row */
.stats-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  padding-top: 12px;
}

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

.stat-number {
  font-size: 2.2rem;
  font-weight: 800;
  letter-spacing: -0.04em;
  color: var(--text-contrast);
  line-height: 1.1;
}

.stat-label {
  font-size: 0.78rem;
  color: var(--text-secondary);
  margin-top: 4px;
}

/* ----------------- "LET'S MAKE IT HAPPEN" BANNER ----------------- */
.cta-banner-section {
  padding-top: 60px;
  padding-bottom: 80px;
}

.cta-banner-card {
  position: relative;
  background: linear-gradient(135deg, #dcfce7 0%, #d9f99d 50%, #fef08a 100%);
  border-radius: var(--radius-xl);
  padding: 80px 48px;
  text-align: center;
  overflow: hidden;
  box-shadow: 0 20px 50px rgba(163, 230, 53, 0.35);
  border: 1px solid rgba(255, 255, 255, 0.6);
}

[data-theme="dark"] .cta-banner-card {
  background: linear-gradient(135deg, #1e293b 0%, #1a2e05 60%, #14532d 100%);
  border-color: rgba(190, 242, 100, 0.25);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
}

.banner-glow-gradient {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(163, 230, 53, 0.45) 0%, transparent 70%);
  transform: translate(-50%, -50%);
  pointer-events: none;
  animation: glowPulse 6s ease-in-out infinite alternate;
}

@keyframes glowPulse {
  0% { transform: translate(-50%, -50%) scale(0.9); }
  100% { transform: translate(-50%, -50%) scale(1.2); }
}

.banner-content {
  position: relative;
  z-index: 2;
  max-width: 720px;
  margin: 0 auto;
}

.banner-title {
  font-size: clamp(2.4rem, 4.6vw, 3.8rem);
  font-weight: 800;
  letter-spacing: -0.035em;
  color: #121316;
  margin-bottom: 16px;
  line-height: 1.1;
}

[data-theme="dark"] .banner-title {
  color: #ffffff;
}

.banner-subtitle {
  font-size: 1.1rem;
  color: #334155;
  margin-bottom: 36px;
  line-height: 1.6;
}

[data-theme="dark"] .banner-subtitle {
  color: #cbd5e1;
}

/* ----------------- CONTACT SECTION ----------------- */
.contact-section {
  position: relative;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: 48px;
  max-width: 1040px;
  margin: 0 auto;
}

.contact-info-card {
  background: var(--bg-card);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 36px 30px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.contact-info-card h3 {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--text-contrast);
}

.contact-info-card p {
  font-size: 0.95rem;
  color: var(--text-secondary);
}

.copy-email-box {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-md);
  font-family: var(--font-mono);
  font-size: 0.88rem;
  color: var(--text-contrast);
}

.copy-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-full);
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-primary);
  transition: all var(--transition-fast);
}

.copy-btn:hover {
  background: var(--accent);
  color: var(--accent-text);
  border-color: var(--accent);
}

.contact-meta-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-top: 10px;
}

.meta-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  font-size: 0.88rem;
}

.meta-icon {
  font-size: 1.2rem;
  line-height: 1;
}

.meta-item strong {
  display: block;
  color: var(--text-contrast);
  margin-bottom: 2px;
}

.meta-item div:last-child {
  color: var(--text-secondary);
}

/* Contact Form Card */
.contact-form-card {
  background: var(--bg-card);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 36px 30px;
}

.styled-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-group label {
  font-size: 0.84rem;
  font-weight: 600;
  color: var(--text-primary);
}

.form-control {
  width: 100%;
  padding: 12px 16px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-md);
  font-size: 0.92rem;
  color: var(--text-primary);
  outline: none;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-control:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
  background: var(--bg-secondary);
}

.form-error {
  display: none;
  font-size: 0.75rem;
  color: #ef4444;
}

.has-error .form-control {
  border-color: #ef4444;
}

.has-error .form-error {
  display: block;
}

.btn-block {
  width: 100%;
}

.form-status {
  text-align: center;
  font-size: 0.9rem;
  font-weight: 600;
  min-height: 24px;
}

.form-status.success {
  color: #10b981;
}

/* ----------------- FOOTER & EDITORIAL SIGNATURE (Exact Dribbble Match) ----------------- */
.site-footer {
  padding-top: 60px;
  padding-bottom: 50px;
  border-top: 1px solid var(--border-subtle);
  background: var(--bg-secondary);
  position: relative;
  overflow: hidden;
}

.footer-nav-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 60px;
  flex-wrap: wrap;
  gap: 20px;
}

.footer-links {
  display: flex;
  gap: 28px;
  flex-wrap: wrap;
}

.footer-links a {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-secondary);
  transition: color var(--transition-fast);
}

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

.footer-copy {
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* Massive Typographic Signature */
.giant-name-wrapper {
  margin: 40px 0 50px;
  text-align: center;
  overflow: hidden;
}

.giant-signature {
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: 400;
  font-size: clamp(4.5rem, 14vw, 12rem);
  line-height: 0.85;
  letter-spacing: -0.04em;
  color: var(--text-contrast);
  opacity: 0.92;
  user-select: none;
  transition: transform 0.5s ease, letter-spacing 0.5s ease;
  white-space: nowrap;
}

.giant-signature:hover {
  letter-spacing: -0.02em;
  transform: scale(1.02);
}

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

.footer-bottom-statement .tagline {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-contrast);
  margin-bottom: 6px;
}

.footer-bottom-statement .sub-tagline {
  font-size: 0.95rem;
  color: var(--text-secondary);
}

.footer-bottom-statement a {
  color: var(--text-primary);
  font-weight: 600;
  text-decoration: underline;
  text-decoration-color: var(--accent);
}

/* ----------------- MODALS ----------------- */
.project-modal {
  border: none;
  padding: 0;
  border-radius: var(--radius-lg);
  background: transparent;
  max-width: 760px;
  width: 90%;
  margin: auto;
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.4);
}

.project-modal::backdrop {
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(8px);
}

.modal-dialog {
  background: var(--bg-secondary);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-lg);
  padding: 36px 32px;
  position: relative;
  max-height: 85vh;
  overflow-y: auto;
}

.modal-close-btn {
  position: absolute;
  top: 18px;
  right: 18px;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--bg-tertiary);
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  transition: all var(--transition-fast);
}

.modal-close-btn:hover {
  background: #ef4444;
  color: #fff;
}

.modal-img {
  width: 100%;
  border-radius: var(--radius-md);
  margin-bottom: 20px;
  border: 1px solid var(--border-subtle);
}

.resume-header {
  border-bottom: 1px solid var(--border-subtle);
  padding-bottom: 16px;
  margin-bottom: 20px;
}

.resume-header h2 {
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--text-contrast);
}

.resume-subtitle {
  font-size: 0.88rem;
  color: var(--text-secondary);
}

.resume-content-grid {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-bottom: 28px;
}

.resume-section h3 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-contrast);
  margin-bottom: 8px;
}

.resume-bullet-list {
  padding-left: 20px;
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.resume-footer-actions {
  display: flex;
  gap: 12px;
  border-top: 1px solid var(--border-subtle);
  padding-top: 20px;
}

/* ----------------- CSS ANIMATIONS ----------------- */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.animate-fade-in {
  animation: fadeIn 0.8s cubic-bezier(0.16, 1, 0.3, 1) both;
  animation-delay: var(--delay, 0s);
}

/* ----------------- CORE ECOSYSTEM & TECHNICAL ARSENAL ----------------- */
.ecosystem-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.ecosystem-card {
  background: var(--bg-card);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  display: flex;
  flex-direction: column;
  transition: transform var(--transition-normal), box-shadow var(--transition-normal), border-color var(--transition-normal);
}

.ecosystem-card:hover {
  transform: translateY(-6px);
  border-color: var(--accent);
  box-shadow: var(--shadow-lg), 0 0 25px var(--accent-glow);
}

.eco-icon {
  font-size: 2.2rem;
  margin-bottom: 16px;
  line-height: 1;
}

.ecosystem-card h3 {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-contrast);
  margin-bottom: 10px;
}

.ecosystem-card p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.55;
  margin-bottom: 22px;
  flex-grow: 1;
}

.eco-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.eco-tag {
  font-size: 0.78rem;
  font-weight: 600;
  padding: 5px 12px;
  background: var(--bg-tertiary);
  color: var(--text-primary);
  border-radius: var(--radius-full);
  border: 1px solid var(--border-subtle);
  transition: all var(--transition-fast);
}

.eco-tag.highlight {
  background: var(--accent-light);
  color: var(--accent-text);
  border-color: rgba(163, 230, 53, 0.4);
  font-weight: 700;
}

/* ----------------- LINGUISTIC / LANGUAGES CARD ----------------- */
.languages-card {
  background: var(--bg-card);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.languages-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-contrast);
  display: flex;
  align-items: center;
  gap: 8px;
}

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

.lang-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 12px;
  background: var(--bg-tertiary);
  border-radius: var(--radius-sm);
  font-size: 0.88rem;
}

.lang-name {
  font-weight: 600;
  color: var(--text-primary);
}

.lang-badge {
  font-size: 0.72rem;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: var(--radius-full);
  background: var(--bg-secondary);
  color: var(--text-secondary);
  border: 1px solid var(--border-subtle);
}

.lang-badge.c2 {
  background: var(--accent);
  color: var(--accent-text);
  border-color: var(--accent);
  box-shadow: 0 0 10px var(--accent-glow);
}

/* ----------------- RESPONSIVE BREAKPOINTS ----------------- */
@media (max-width: 1024px) {
  .cards-grid {
    grid-template-columns: 1fr;
  }

  .connector-svg {
    display: none;
  }

  .testimonials-container {
    grid-template-columns: 1fr;
  }

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

  .about-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .terminal-content {
    grid-template-columns: 1fr;
  }

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

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

@media (max-width: 768px) {
  .section {
    padding-top: 70px;
    padding-bottom: 70px;
  }

  .hero-section {
    padding-top: 130px;
    padding-bottom: 50px;
  }

  .nav-links, .header-cta {
    display: none;
  }

  .mobile-toggle {
    display: flex;
  }

  .mobile-nav.open {
    display: flex;
    flex-direction: column;
    padding: 20px;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-subtle);
    gap: 16px;
  }

  .mobile-nav-link {
    font-size: 1.1rem;
    font-weight: 600;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .exp-row {
    grid-template-columns: 1fr;
    gap: 4px;
  }

  .exp-period {
    text-align: left;
  }

  .stats-row {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }

  .cta-banner-card {
    padding: 50px 24px;
  }
}