/* DESIGN SYSTEM LOGIC ENGINE */
:root {
  --bg-primary: #f8fafc;
  --bg-secondary: #ffffff;
  --text-main: #0f172a;
  --text-muted: #475569;
  --brand-blue: #2563eb;
  --brand-dark-blue: #1d4ed8;
  --brand-light-blue: #eff6ff;
  --accent-glow: rgba(37, 99, 235, 0.1);
  --border-color: #e2e8f0;
  --font-family: "Plus Jakarta Sans", sans-serif;
  --transition-smooth: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

/* INITIAL RESETS & PROPERTIES */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: var(--font-family);
}

body {
  background-color: var(--bg-primary);
  color: var(--text-main);
  scroll-behavior: smooth;
  overflow-x: hidden;
  line-height: 1.6;
}

/* NAVBAR MODERNISED LAYOUT */
.navbar {
  position: fixed;
  width: 100%;
  top: 0;
  padding: 1.2rem 8%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  background: rgba(255, 255, 255, 0.85);
  border-bottom: 1px solid rgba(226, 232, 240, 0.8);
  z-index: 1000;
  box-shadow: 0 4px 20px rgba(15, 23, 42, 0.02);
  transition: var(--transition-smooth);
}

.logo {
  font-size: 1.6rem;
  font-weight: 800;
  letter-spacing: -0.75px;
  color: var(--text-main);
  display: flex;
  align-items: center;
  gap: 6px;
}

.logo .dot {
  color: var(--brand-blue);
}

.logo-accent {
  color: var(--brand-blue);
  font-weight: 600;
  font-family: monospace;
  margin: 0 2px;
}

.logo .role-tag {
  font-size: 0.75rem;
  font-weight: 600;
  background: var(--brand-light-blue);
  color: var(--brand-blue);
  padding: 2px 8px;
  border-radius: 6px;
  border: 1px solid rgba(37, 99, 235, 0.1);
}

.navbar nav {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.nav-link {
  position: relative;
  padding: 0.5rem 1rem;
  color: var(--text-muted);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
  transition: color 0.3s ease;
}

.nav-link::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 2px;
  background: var(--brand-blue);
  transition: var(--transition-smooth);
  transform: translateX(-50%);
}

.nav-link:hover {
  color: var(--text-main);
}

.nav-link:hover::after {
  width: 60%;
}

/* HIGH-CONTRAST HIRE ACTION ELEMENT */
.hire-btn {
  margin-left: 1rem;
  background: var(--text-main);
  color: #ffffff !important;
  padding: 10px 22px;
  border-radius: 30px;
  font-weight: 600;
  font-size: 0.9rem;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: var(--transition-smooth);
  box-shadow: 0 4px 12px rgba(15, 23, 42, 0.15);
}

.hire-btn i {
  transition: transform 0.3s ease;
}

.hire-btn:hover {
  background: var(--brand-blue);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(37, 99, 235, 0.3);
}

.hire-btn:hover i {
  transform: translateX(4px);
}

/* IMMERSIVE HERO ARCHITECTURE */
.hero {
  position: relative;
  min-height: 95vh;
  padding: 9rem 10% 4rem 10%;
  display: flex;
  justify-content: center;
  align-items: center;
  text-align: center;
  background-color: var(--bg-secondary);
  overflow: hidden;
}

.glow-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
  opacity: 0.6;
  z-index: 1;
  pointer-events: none;
}

.orb-1 {
  top: -10%;
  right: 15%;
  width: 450px;
  height: 450px;
  background: radial-gradient(
    circle,
    rgba(37, 99, 235, 0.18) 0%,
    transparent 80%
  );
}

.orb-2 {
  bottom: 5%;
  left: 10%;
  width: 380px;
  height: 380px;
  background: radial-gradient(
    circle,
    rgba(99, 102, 241, 0.12) 0%,
    transparent 80%
  );
}

.hero-container {
  position: relative;
  z-index: 2;
  max-width: 920px;
}

.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: #f1f5f9;
  border: 1px solid #e2e8f0;
  padding: 8px 18px;
  border-radius: 30px;
  font-size: 0.85rem;
  font-weight: 600;
  color: #334155;
  margin-bottom: 2rem;
}

.pulse-dot {
  width: 8px;
  height: 8px;
  background: #10b981;
  border-radius: 50%;
  position: relative;
}

.pulse-dot::after {
  content: "";
  position: absolute;
  width: 100%;
  height: 100%;
  top: 0;
  left: 0;
  background: #10b981;
  border-radius: 50%;
  animation: pulseSign 2s infinite ease-out;
}

@keyframes pulseSign {
  100% {
    transform: scale(3);
    opacity: 0;
  }
}

.hero-title {
  font-size: 4rem;
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -2px;
  color: var(--text-main);
  margin-bottom: 1.5rem;
}

.gradient-text {
  background: linear-gradient(135deg, #2563eb 0%, #1d4ed8 50%, #06b6d4 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero .subtitle {
  font-size: 1.25rem;
  color: var(--text-muted);
  max-width: 700px;
  margin: 0 auto 3rem auto;
  line-height: 1.6;
}

.hero .subtitle strong {
  color: var(--text-main);
  font-weight: 700;
}

.hero-buttons {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 1.25rem;
}

.btn-premium {
  padding: 1rem 2.2rem;
  border-radius: 50px;
  font-weight: 600;
  font-size: 1rem;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  transition: var(--transition-smooth);
}

.primary-glow {
  background: var(--brand-blue);
  color: #ffffff;
  box-shadow: 0 10px 25px rgba(37, 99, 235, 0.25);
}

.primary-glow:hover {
  background: var(--brand-dark-blue);
  transform: translateY(-3px);
  box-shadow: 0 14px 35px rgba(37, 99, 235, 0.4);
}

.secondary-outline {
  background: transparent;
  border: 1px solid #cbd5e1;
  color: #334155;
}

.secondary-outline:hover {
  background: #f8fafc;
  border-color: var(--text-main);
  color: var(--text-main);
  transform: translateY(-3px);
}

/* SECTION GLOBAL STANDARDS */
.section {
  padding: 7rem 10%;
  background-color: var(--bg-secondary);
}

.section:nth-of-type(even) {
  background-color: var(--bg-primary);
}

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

.sub-title {
  text-transform: uppercase;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 1.5px;
  color: var(--brand-blue);
  display: block;
  margin-bottom: 0.5rem;
}

.title {
  font-size: 2.2rem;
  font-weight: 800;
  letter-spacing: -0.5px;
  color: var(--text-main);
}

/* ABOUT SECTION ARCHITECTURE */
.about-grid {
  display: grid;
  grid-template-columns: 360px 1fr;
  gap: 4rem;
  align-items: center;
}

/* NEW INTERACTIVE TECH LOGIC CARD (REPLACED PHOTO) */
.dev-card-visual {
  width: 100%;
  background: #0f172a; /* Premium Slate Dark */
  border-radius: 20px;
  border: 1px solid #334155;
  box-shadow: 0 20px 40px rgba(15, 23, 42, 0.25);
  overflow: hidden;
  position: relative;
  transition: var(--transition-smooth);
}

.dev-card-visual:hover {
  transform: translateY(-5px) scale(1.02);
  border-color: var(--brand-blue);
  box-shadow: 0 25px 50px rgba(37, 99, 235, 0.15);
}

.window-header {
  background: #1e293b;
  padding: 14px 18px;
  display: flex;
  align-items: center;
  gap: 8px;
  border-bottom: 1px solid #334155;
}

.dot-win {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  display: inline-block;
}

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

.window-title {
  color: #94a3b8;
  font-size: 0.8rem;
  font-weight: 600;
  font-family: monospace;
  margin-left: auto;
}

.code-terminal {
  padding: 2rem 1.5rem;
  font-family: monospace;
  font-size: 0.9rem;
  position: relative;
}

.code-line {
  color: #cbd5e1;
  margin-bottom: 0.5rem;
  white-space: nowrap;
}

.pad-1 {
  margin-left: 1.5rem;
}
.c-keyword {
  color: #f472b6;
} /* Pink Custom Style */
.c-name {
  color: #38bdf8;
} /* Light Sky Blue */
.c-prop {
  color: #fb7185;
} /* Salmon Rose */
.c-string {
  color: #34d399;
} /* Emerald Green */

.canvas-icon-wrap {
  margin-top: 2rem;
  display: flex;
  justify-content: flex-end;
  color: rgba(56, 189, 248, 0.15);
}

.react-pulse {
  font-size: 4.5rem;
  animation: rotateReact 12s infinite linear;
}

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

.bio {
  font-size: 1.15rem;
  color: var(--text-muted);
  margin-bottom: 2rem;
  line-height: 1.7;
}

.bio strong {
  color: var(--text-main);
  font-weight: 700;
}

.stack-container h3 {
  font-size: 1rem;
  margin-bottom: 1rem;
  color: var(--text-main);
  font-weight: 700;
}

.stack {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.stack span {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 8px 16px;
  border-radius: 12px;
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-muted);
  transition: var(--transition-smooth);
}

.stack span:hover {
  background: #ffffff;
  border-color: var(--brand-blue);
  color: var(--text-main);
  transform: translateY(-2px);
}

.stack span i {
  color: var(--brand-blue);
}

.stack span:hover i.react-icon,
.s-card:hover i.react-icon {
  color: #00d8ff;
}

/* PROFESSIONAL TIERS (TIMELINE) */
.timeline-container {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.timeline-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  padding: 2rem;
  transition: var(--transition-smooth);
}

.timeline-card:hover {
  transform: translateY(-4px);
  border-color: rgba(37, 99, 235, 0.25);
  box-shadow: 0 12px 30px rgba(37, 99, 235, 0.05);
}

.card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.timeline-card h3 {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--text-main);
}

.time-tag {
  background: var(--bg-primary);
  padding: 4px 14px;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-muted);
  border: 1px solid var(--border-color);
}

.animate-tag {
  background: var(--brand-light-blue);
  color: var(--brand-blue);
  border-color: rgba(37, 99, 235, 0.2);
}

.company {
  display: block;
  font-weight: 600;
  color: var(--brand-blue);
  margin-bottom: 1.2rem;
  font-size: 0.95rem;
}

.exp-points {
  list-style: none;
}

.exp-points li {
  position: relative;
  padding-left: 1.5rem;
  margin-bottom: 0.75rem;
  color: var(--text-muted);
  font-size: 0.95rem;
}

.exp-points li::before {
  content: "→";
  position: absolute;
  left: 0;
  color: var(--brand-blue);
  font-weight: bold;
}

/* TECHNICAL SKILLS DISPLAYS */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.5rem;
}

.s-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  padding: 1.75rem;
  border-radius: 16px;
  transition: var(--transition-smooth);
}

.s-card:hover {
  border-color: var(--brand-blue);
  box-shadow: 0 8px 24px rgba(37, 99, 235, 0.04);
  transform: translateY(-2px);
}

.s-info {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
}

.s-name {
  font-weight: 600;
  color: var(--text-main);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.s-name i {
  color: var(--brand-blue);
  font-size: 1.1rem;
}

.s-perc {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--brand-blue);
}

.progress-bar {
  width: 100%;
  height: 6px;
  background: var(--bg-primary);
  border-radius: 10px;
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--brand-blue), #06b6d4);
  border-radius: 10px;
}

/* INTERACTIVE CONTACT STRUCTS */
.contact-layout {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 4rem;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 1rem 1.2rem;
  border-radius: 12px;
  border: 1px solid var(--border-color);
  background: var(--bg-secondary);
  color: var(--text-main);
  font-size: 0.95rem;
  outline: none;
  transition: var(--transition-smooth);
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--brand-blue);
  box-shadow: 0 0 0 4px var(--accent-glow);
  background: #ffffff;
}

.submit-btn {
  padding: 1rem;
  border-radius: 12px;
  border: none;
  background: var(--brand-blue);
  color: #ffffff;
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 0.75rem;
  transition: var(--transition-smooth);
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.15);
}

.submit-btn:hover {
  background: var(--brand-dark-blue);
  box-shadow: 0 6px 18px rgba(37, 99, 235, 0.25);
  transform: translateY(-1px);
}

.contact-sidebar {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.info-box h3,
.social-wrapper h3 {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-muted);
  margin-bottom: 0.5rem;
}

.info-box p {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-main);
}

.social-links {
  display: flex;
  gap: 0.75rem;
}

.social-links a {
  width: 46px;
  height: 46px;
  border-radius: 12px;
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  color: var(--text-muted);
  display: flex;
  justify-content: center;
  align-items: center;
  font-size: 1.2rem;
  text-decoration: none;
  transition: var(--transition-smooth);
}

.social-links a:hover {
  background: var(--brand-blue);
  color: #ffffff !important;
  border-color: var(--brand-blue);
  transform: translateY(-3px);
  box-shadow: 0 6px 16px rgba(37, 99, 235, 0.2);
}

/* GLOBAL FOOTER ELEMENTS */
footer {
  text-align: center;
  padding: 2.5rem;
  background: var(--bg-primary);
  border-top: 1px solid var(--border-color);
  color: var(--text-muted);
  font-size: 0.9rem;
}

/* ==========================================================================
   RESPONSIVE LAYOUT BREAKPOINTS (Android, iPhone, iPad, Web & Desktop View)
   ========================================================================== */

/* Tablet & Smaller Laptops / Desktop Adjustments (Max 1024px) */
@media (max-width: 1024px) {
  .navbar {
    padding: 1.2rem 4%;
  }
  .hero {
    padding: 9rem 5% 4rem 5%;
  }
  .section {
    padding: 6rem 5%;
  }
  .about-grid {
    grid-template-columns: 320px 1fr;
    gap: 2.5rem;
  }
  .contact-layout {
    gap: 2.5rem;
  }
}

/* Custom Hybrid Viewport for Large Mobile Screen/Tablets (Max 900px) */
@media (max-width: 900px) {
  .about-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  .dev-card-visual {
    max-width: 480px;
    margin: 0 auto;
  }
  .contact-layout {
    grid-template-columns: 1fr;
  }
  .contact-sidebar {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
    background: var(--bg-secondary);
    padding: 1.5rem;
    border-radius: 16px;
    border: 1px solid var(--border-color);
  }
  .info-box,
  .social-wrapper {
    margin: 0;
  }
}

/* Mobile Devices Optimization: Android Phones & iPhones (Max 640px) */
@media (max-width: 640px) {
  .navbar {
    padding: 1rem 5%;
  }
  /* Keeps layout compact & handles extreme notches/paddings gracefully */
  .navbar nav {
    gap: 0.25rem;
  }
  .nav-link {
    display: none; /* Hides inner links to optimize narrow screens */
  }
  .hire-btn {
    margin-left: 0;
    padding: 8px 16px;
    font-size: 0.8rem;
  }

  .hero {
    padding-top: 7.5rem;
    min-height: auto;
  }
  .status-badge {
    font-size: 0.75rem;
    padding: 6px 14px;
    margin-bottom: 1.5rem;
  }
  .hero-title {
    font-size: 2.2rem;
    letter-spacing: -1px;
    line-height: 1.2;
  }
  .hero .subtitle {
    font-size: 1rem;
    margin-bottom: 2rem;
  }
  .hero-buttons {
    flex-direction: column;
    width: 100%;
    gap: 0.85rem;
  }
  .btn-premium {
    width: 100%;
    justify-content: center;
    padding: 0.85rem 1.5rem;
    font-size: 0.95rem;
  }

  .section {
    padding: 4.5rem 5%;
  }
  .section-header {
    margin-bottom: 2.5rem;
  }
  .title {
    font-size: 1.8rem;
  }

  .dev-card-visual {
    max-width: 100%;
  }
  .code-terminal {
    padding: 1.5rem 1rem;
    font-size: 0.8rem;
  }
  .canvas-icon-wrap {
    margin-top: 1rem;
  }
  .react-pulse {
    font-size: 3.5rem;
  }

  .timeline-card {
    padding: 1.5rem;
  }
  .card-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.35rem;
  }
  .timeline-card h3 {
    font-size: 1.15rem;
  }
  .time-tag {
    align-self: flex-start;
  }

  .skills-grid {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  .contact-sidebar {
    flex-direction: column;
    align-items: flex-start;
    gap: 1.5rem;
  }
}

/* Small Screen Smartphones / iPhone Mini / Legacy Android viewports (Max 380px) */
@media (max-width: 380px) {
  .logo {
    font-size: 1.3rem;
  }
  .logo .role-tag {
    display: none; /* Save real estate on tiny layouts */
  }
  .hero-title {
    font-size: 1.9rem;
  }
  .title {
    font-size: 1.6rem;
  }
}