/* ==========================================================================
   Yasin Turali | Personal Portfolio CSS
   Modern Dark Theme with Glassmorphism & Micro-animations
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. CSS Custom Properties (Design Tokens)
   -------------------------------------------------------------------------- */
:root {
  /* Colors */
  --clr-bg:          #050a14;
  --clr-bg-alt:      #090f1e;
  --clr-surface:     rgba(255, 255, 255, 0.04);
  --clr-surface-hov: rgba(255, 255, 255, 0.08);
  --clr-border:      rgba(255, 255, 255, 0.08);
  --clr-border-hov:  rgba(100, 200, 255, 0.3);

  --clr-primary:     #00b4d8;
  --clr-primary-dim: rgba(0, 180, 216, 0.15);
  --clr-accent:      #00f5a0;
  --clr-accent-dim:  rgba(0, 245, 160, 0.15);
  --clr-purple:      #7c3aed;
  --clr-purple-dim:  rgba(124, 58, 237, 0.15);

  --clr-text:        #e8f0fe;
  --clr-text-muted:  #7a8ba0;
  --clr-text-dim:    #4a5568;

  /* Typography */
  --font-sans:  'Inter', system-ui, sans-serif;
  --font-mono:  'JetBrains Mono', monospace;

  /* Spacing */
  --space-section: 6rem;
  --radius-card:   16px;
  --radius-sm:     8px;

  /* Shadows */
  --shadow-card:   0 4px 32px rgba(0, 0, 0, 0.4);
  --shadow-glow:   0 0 40px rgba(0, 180, 216, 0.15);

  /* Transitions */
  --transition:    all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

body {
  font-family: var(--font-sans);
  background: var(--clr-bg);
  color: var(--clr-text);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
ul { list-style: none; }

/* --------------------------------------------------------------------------
   3. Scroll Reveal Animation
   -------------------------------------------------------------------------- */
.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* --------------------------------------------------------------------------
   4. Navigation
   -------------------------------------------------------------------------- */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  padding: 1rem 0;
  background: transparent;
  transition: var(--transition);
}
.navbar.scrolled {
  background: rgba(5, 10, 20, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--clr-border);
  padding: 0.75rem 0;
}
.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
  display: flex;
  align-items: center;
  gap: 2rem;
}
.nav-logo {
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--clr-primary);
  font-family: var(--font-mono);
  flex-shrink: 0;
}
.logo-bracket { color: var(--clr-accent); }
.nav-links {
  display: flex;
  gap: 2rem;
  margin-left: auto;
}
.nav-link {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--clr-text-muted);
  transition: var(--transition);
  position: relative;
}
.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px; left: 0; right: 0;
  height: 2px;
  background: var(--clr-primary);
  border-radius: 2px;
  transform: scaleX(0);
  transition: transform 0.25s ease;
}
.nav-link:hover { color: var(--clr-text); }
.nav-link:hover::after { transform: scaleX(1); }
.nav-cta {
  font-size: 0.875rem;
  font-weight: 600;
  padding: 0.5rem 1.25rem;
  background: var(--clr-primary-dim);
  border: 1px solid var(--clr-primary);
  border-radius: 50px;
  color: var(--clr-primary);
  transition: var(--transition);
  flex-shrink: 0;
}
.nav-cta:hover {
  background: var(--clr-primary);
  color: #050a14;
  box-shadow: 0 0 24px rgba(0, 180, 216, 0.4);
}
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  margin-left: auto;
}
.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--clr-text);
  border-radius: 2px;
  transition: var(--transition);
}

/* --------------------------------------------------------------------------
   5. Buttons
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.75rem;
  border-radius: 50px;
  font-size: 0.925rem;
  font-weight: 600;
  border: 1px solid transparent;
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
}
.btn-primary {
  background: linear-gradient(135deg, var(--clr-primary), #00e5ff);
  color: #050a14;
  border-color: transparent;
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(0, 180, 216, 0.4);
}
.btn-outline {
  background: transparent;
  border-color: var(--clr-border-hov);
  color: var(--clr-text);
}
.btn-outline:hover {
  background: var(--clr-surface-hov);
  border-color: var(--clr-primary);
  color: var(--clr-primary);
  transform: translateY(-2px);
}
.btn-full { width: 100%; justify-content: center; }

/* --------------------------------------------------------------------------
   6. Hero Section
   -------------------------------------------------------------------------- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding: 6rem 2rem 4rem;
}
.hero-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
}
.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0, 180, 216, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 180, 216, 0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 50%, black, transparent);
}
.hero-blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.3;
  animation: float 8s ease-in-out infinite alternate;
}
.blob-1 {
  width: 500px; height: 500px;
  background: radial-gradient(circle, #00b4d8 0%, transparent 70%);
  top: -15%; left: -10%;
  animation-delay: 0s;
}
.blob-2 {
  width: 400px; height: 400px;
  background: radial-gradient(circle, #7c3aed 0%, transparent 70%);
  top: 30%; right: -5%;
  animation-delay: -3s;
}
.blob-3 {
  width: 350px; height: 350px;
  background: radial-gradient(circle, #00f5a0 0%, transparent 70%);
  bottom: -10%; left: 40%;
  animation-delay: -6s;
}
@keyframes float {
  from { transform: translate(0, 0) scale(1); }
  to   { transform: translate(30px, -20px) scale(1.05); }
}

.hero-container {
  max-width: 1200px;
  width: 100%;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 420px;
  gap: 4rem;
  align-items: center;
  position: relative;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--clr-accent-dim);
  border: 1px solid var(--clr-accent);
  border-radius: 50px;
  padding: 0.4rem 1rem;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--clr-accent);
  margin-bottom: 1.5rem;
  width: fit-content;
}
.badge-dot {
  width: 8px; height: 8px;
  background: var(--clr-accent);
  border-radius: 50%;
  animation: pulse-badge 1.5s ease-in-out infinite;
}
@keyframes pulse-badge {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%       { opacity: 0.5; transform: scale(0.8); }
}
.hero-name {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 900;
  line-height: 1.05;
  margin-bottom: 0.5rem;
  letter-spacing: -1.5px;
}
.name-first { display: block; color: var(--clr-text); }
.name-last {
  display: block;
  background: linear-gradient(135deg, var(--clr-primary), var(--clr-accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-title {
  font-size: clamp(1rem, 2.5vw, 1.35rem);
  font-weight: 500;
  color: var(--clr-text-muted);
  margin-bottom: 1.5rem;
  min-height: 2rem;
  font-family: var(--font-mono);
}
.cursor-blink {
  color: var(--clr-primary);
  animation: blink 1s step-end infinite;
}
@keyframes blink { 0%, 100% { opacity: 1; } 50% { opacity: 0; } }

.hero-description {
  max-width: 540px;
  color: var(--clr-text-muted);
  font-size: 1.05rem;
  margin-bottom: 2rem;
  line-height: 1.75;
}
.hero-description strong { color: var(--clr-primary); }
.hero-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 3rem;
}
.hero-stats {
  display: flex;
  align-items: center;
  gap: 2rem;
}
.stat-item { text-align: center; }
.stat-number {
  font-size: 2rem;
  font-weight: 900;
  color: var(--clr-primary);
  line-height: 1;
  font-family: var(--font-mono);
}
.stat-suffix { font-size: 1.25rem; color: var(--clr-primary); font-weight: 700; }
.stat-label {
  display: block;
  font-size: 0.75rem;
  color: var(--clr-text-muted);
  margin-top: 0.25rem;
  font-weight: 500;
}
.stat-divider {
  width: 1px;
  height: 40px;
  background: var(--clr-border);
}

/* Profile Visual */
.hero-visual {
  display: flex;
  align-items: center;
  justify-content: center;
}
.profile-wrapper {
  position: relative;
  width: 320px;
  height: 320px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.profile-ring {
  position: absolute;
  border-radius: 50%;
  border: 1px solid transparent;
}
.ring-1 {
  inset: 0;
  border-color: rgba(0, 180, 216, 0.2);
  animation: spin 20s linear infinite;
}
.ring-2 {
  inset: 20px;
  border-color: rgba(0, 245, 160, 0.15);
  border-style: dashed;
  animation: spin 15s linear infinite reverse;
}
.ring-3 {
  inset: 40px;
  border-color: rgba(124, 58, 237, 0.15);
  animation: spin 30s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

.profile-img-container {
  width: 200px;
  height: 200px;
  border-radius: 50%;
  overflow: hidden;
  border: 3px solid var(--clr-primary);
  box-shadow: 0 0 40px rgba(0, 180, 216, 0.3), 0 0 80px rgba(0, 180, 216, 0.1);
  position: relative;
  z-index: 2;
}
.profile-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.profile-initials {
  width: 100%;
  height: 100%;
  display: none;
  align-items: center;
  justify-content: center;
  font-size: 3.5rem;
  font-weight: 900;
  background: linear-gradient(135deg, var(--clr-primary), var(--clr-accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.profile-badge {
  position: absolute;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  background: rgba(5, 10, 20, 0.9);
  backdrop-filter: blur(12px);
  border: 1px solid var(--clr-border-hov);
  border-radius: 50px;
  padding: 0.4rem 0.9rem;
  font-size: 0.75rem;
  font-weight: 600;
  z-index: 3;
  white-space: nowrap;
}
.badge-top {
  top: 30px;
  right: -20px;
  color: var(--clr-accent);
  border-color: rgba(0, 245, 160, 0.3);
}
.badge-bottom {
  bottom: 40px;
  left: -20px;
  color: var(--clr-primary);
}

/* Scroll Indicator */
.scroll-indicator {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.3rem;
  font-size: 0.7rem;
  color: var(--clr-text-dim);
  animation: bounce-slow 2s ease-in-out infinite;
  transition: opacity 0.3s;
}
@keyframes bounce-slow {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50%       { transform: translateX(-50%) translateY(8px); }
}

/* --------------------------------------------------------------------------
   7. Section Base
   -------------------------------------------------------------------------- */
.section {
  padding: var(--space-section) 2rem;
}
.container {
  max-width: 1200px;
  margin: 0 auto;
}
.section-header {
  text-align: center;
  margin-bottom: 4rem;
}
.section-tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 3px;
  color: var(--clr-primary);
  margin-bottom: 0.75rem;
  font-family: var(--font-mono);
}
.section-title {
  font-size: clamp(2rem, 4vw, 2.75rem);
  font-weight: 800;
  color: var(--clr-text);
  margin-bottom: 0.75rem;
  letter-spacing: -0.5px;
}
.section-subtitle {
  color: var(--clr-text-muted);
  font-size: 1rem;
}

/* --------------------------------------------------------------------------
   8. About Section
   -------------------------------------------------------------------------- */
.about { background: var(--clr-bg-alt); }
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
}
.about-lead {
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--clr-text);
  margin-bottom: 1.25rem;
  line-height: 1.6;
}
.about-body {
  color: var(--clr-text-muted);
  margin-bottom: 1.25rem;
  font-size: 0.975rem;
}
.about-info-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-top: 2rem;
  padding: 1.5rem;
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-card);
}
.info-item { display: flex; flex-direction: column; gap: 0.2rem; }
.info-label { font-size: 0.75rem; color: var(--clr-text-muted); }
.info-value { font-size: 0.875rem; font-weight: 600; color: var(--clr-text); }

.about-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}
.about-card {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-card);
  padding: 1.5rem;
  transition: var(--transition);
  cursor: default;
}
.about-card:hover {
  background: var(--clr-surface-hov);
  border-color: var(--clr-border-hov);
  transform: translateY(-4px);
  box-shadow: var(--shadow-glow);
}
.about-card-icon { font-size: 2rem; margin-bottom: 0.75rem; }
.about-card h3 { font-size: 0.925rem; font-weight: 700; color: var(--clr-text); margin-bottom: 0.5rem; }
.about-card p { font-size: 0.825rem; color: var(--clr-text-muted); line-height: 1.6; }

/* --------------------------------------------------------------------------
   9. Experience Section
   -------------------------------------------------------------------------- */
.experience { background: var(--clr-bg); }

.timeline { position: relative; }

.timeline-item {
  display: grid;
  grid-template-columns: 40px 1fr;
  gap: 1.5rem;
  margin-bottom: 2.5rem;
}
.timeline-marker { position: relative; display: flex; flex-direction: column; align-items: center; }
.timeline-dot {
  width: 16px; height: 16px;
  border-radius: 50%;
  background: var(--clr-primary);
  border: 3px solid var(--clr-bg);
  box-shadow: 0 0 12px rgba(0, 180, 216, 0.5);
  flex-shrink: 0;
  margin-top: 6px;
  z-index: 1;
}
.timeline-line {
  width: 2px;
  flex: 1;
  background: linear-gradient(to bottom, var(--clr-primary), transparent);
  margin-top: 4px;
}

.timeline-card {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-card);
  padding: 1.75rem;
  transition: var(--transition);
}
.timeline-card:hover {
  border-color: var(--clr-border-hov);
  background: var(--clr-surface-hov);
  box-shadow: var(--shadow-card);
  transform: translateX(4px);
}
.timeline-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 0.5rem;
}
.timeline-role {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--clr-text);
}
.timeline-company { color: var(--clr-primary); font-size: 0.9rem; font-weight: 600; display: block; margin-top: 0.2rem; }
.timeline-meta { display: flex; align-items: center; gap: 0.5rem; flex-shrink: 0; }
.timeline-period { font-size: 0.8rem; color: var(--clr-text-muted); font-family: var(--font-mono); }
.timeline-badge {
  font-size: 0.7rem;
  font-weight: 700;
  padding: 0.2rem 0.6rem;
  border-radius: 50px;
}
.timeline-badge.current {
  background: var(--clr-accent-dim);
  color: var(--clr-accent);
  border: 1px solid var(--clr-accent);
}
.timeline-location {
  display: flex;
  align-items: center;
  gap: 0.3rem;
  font-size: 0.8rem;
  color: var(--clr-text-dim);
  margin-bottom: 1.25rem;
}
.timeline-duties {
  padding-left: 0;
  margin-bottom: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.timeline-duties li {
  font-size: 0.9rem;
  color: var(--clr-text-muted);
  padding-left: 1.25rem;
  position: relative;
}
.timeline-duties li::before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--clr-primary);
  font-size: 0.8rem;
}
.timeline-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}
.tech-tag {
  font-size: 0.75rem;
  padding: 0.25rem 0.75rem;
  background: var(--clr-primary-dim);
  border: 1px solid rgba(0, 180, 216, 0.2);
  border-radius: 50px;
  color: var(--clr-primary);
  font-weight: 500;
}

/* --------------------------------------------------------------------------
   10. Education Section
   -------------------------------------------------------------------------- */
.education { background: var(--clr-bg-alt); }

.education-card {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-card);
  padding: 2.5rem;
  display: flex;
  gap: 2rem;
  align-items: flex-start;
  transition: var(--transition);
  max-width: 800px;
  margin: 0 auto;
}
.education-card:hover {
  border-color: var(--clr-border-hov);
  box-shadow: var(--shadow-glow);
  transform: translateY(-4px);
}
.edu-icon { font-size: 3rem; flex-shrink: 0; }
.edu-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 1rem;
}
.edu-degree { font-size: 1.3rem; font-weight: 700; color: var(--clr-text); }
.edu-school { color: var(--clr-primary); font-weight: 600; font-size: 0.95rem; display: block; margin-top: 0.2rem; }
.edu-meta { display: flex; align-items: center; gap: 0.5rem; flex-shrink: 0; }
.edu-period { font-size: 0.8rem; color: var(--clr-text-muted); font-family: var(--font-mono); }
.edu-badge {
  font-size: 0.7rem;
  font-weight: 700;
  padding: 0.2rem 0.6rem;
  border-radius: 50px;
  background: var(--clr-purple-dim);
  color: #a78bfa;
  border: 1px solid rgba(124, 58, 237, 0.3);
}
.edu-description { color: var(--clr-text-muted); font-size: 0.9rem; margin-bottom: 1.25rem; }
.edu-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--clr-primary);
  transition: var(--transition);
}
.edu-link:hover { color: var(--clr-accent); }

/* --------------------------------------------------------------------------
   11. Skills Section
   -------------------------------------------------------------------------- */
.skills { background: var(--clr-bg); }

.skills-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
}
.skills-column-title {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 1rem;
  font-weight: 700;
  color: var(--clr-text);
  margin-bottom: 1.5rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--clr-border);
}
.skill-bars { display: flex; flex-direction: column; gap: 1.25rem; }
.skill-bar-header {
  display: flex;
  justify-content: space-between;
  margin-bottom: 0.4rem;
}
.skill-name { font-size: 0.875rem; font-weight: 500; color: var(--clr-text); }
.skill-pct { font-size: 0.8rem; color: var(--clr-primary); font-family: var(--font-mono); font-weight: 600; }
.skill-bar-bg {
  height: 6px;
  background: var(--clr-surface);
  border-radius: 50px;
  overflow: hidden;
  border: 1px solid var(--clr-border);
}
.skill-bar-fill {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--clr-primary), var(--clr-accent));
  border-radius: 50px;
  transition: width 1.2s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Language Cards */
.language-cards { display: flex; flex-direction: column; gap: 1rem; margin-bottom: 1rem; }
.language-card {
  display: flex;
  align-items: center;
  gap: 1rem;
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-sm);
  padding: 1rem 1.25rem;
  transition: var(--transition);
}
.language-card:hover {
  border-color: var(--clr-border-hov);
  background: var(--clr-surface-hov);
  transform: translateX(4px);
}
.lang-flag { font-size: 1.75rem; }
.lang-info { flex: 1; }
.lang-info h4 { font-size: 0.925rem; font-weight: 600; color: var(--clr-text); margin-bottom: 0.2rem; }
.lang-level {
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.15rem 0.5rem;
  border-radius: 50px;
}
.lang-level.native { background: var(--clr-accent-dim); color: var(--clr-accent); }
.lang-level.c1     { background: var(--clr-primary-dim); color: var(--clr-primary); }
.lang-level.b1     { background: var(--clr-purple-dim); color: #a78bfa; }

.lang-dots { display: flex; gap: 4px; }
.dot {
  width: 10px; height: 10px;
  border-radius: 50%;
}
.dot.filled { background: var(--clr-primary); }
.dot.empty  { background: var(--clr-surface-hov); border: 1px solid var(--clr-border); }

/* Tech Badges */
.tech-badges { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.tech-badge {
  font-size: 0.8rem;
  font-weight: 500;
  padding: 0.35rem 0.85rem;
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: 50px;
  color: var(--clr-text-muted);
  transition: var(--transition);
  cursor: default;
}
.tech-badge:hover {
  background: var(--clr-primary-dim);
  border-color: var(--clr-primary);
  color: var(--clr-primary);
  transform: translateY(-2px);
}

/* --------------------------------------------------------------------------
   12. Projects Section
   -------------------------------------------------------------------------- */
.projects { background: var(--clr-bg-alt); }

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 1.5rem;
}
.project-card {
  position: relative;
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-card);
  padding: 1.75rem;
  transition: var(--transition);
  overflow: hidden;
  cursor: default;
}
.project-card:hover {
  border-color: var(--clr-border-hov);
  transform: translateY(-6px);
  box-shadow: var(--shadow-card);
}
.project-card:hover .project-card-glow {
  opacity: 1;
}
.project-card-glow {
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 50% 0%, rgba(0, 180, 216, 0.08), transparent 70%);
  opacity: 0;
  transition: opacity 0.4s;
  pointer-events: none;
}
.project-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
}
.project-icon { font-size: 2rem; }
.project-dates { font-size: 0.75rem; color: var(--clr-text-muted); font-family: var(--font-mono); }
.project-title { font-size: 1.1rem; font-weight: 700; color: var(--clr-text); margin-bottom: 0.75rem; }
.project-description { font-size: 0.875rem; color: var(--clr-text-muted); line-height: 1.7; margin-bottom: 1.25rem; }
.project-tags { display: flex; flex-wrap: wrap; gap: 0.4rem; margin-bottom: 1rem; }
.project-tag {
  font-size: 0.72rem;
  font-weight: 600;
  padding: 0.2rem 0.6rem;
  background: var(--clr-purple-dim);
  border: 1px solid rgba(124, 58, 237, 0.2);
  border-radius: 50px;
  color: #a78bfa;
}
.project-status {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.25rem 0.75rem;
  border-radius: 50px;
}
.project-status.active {
  background: var(--clr-accent-dim);
  color: var(--clr-accent);
  border: 1px solid rgba(0, 245, 160, 0.2);
}
.project-status.completed {
  background: var(--clr-surface);
  color: var(--clr-text-muted);
  border: 1px solid var(--clr-border);
}
.status-dot {
  width: 6px; height: 6px;
  background: var(--clr-accent);
  border-radius: 50%;
  animation: pulse-badge 1.5s ease-in-out infinite;
}

/* --------------------------------------------------------------------------
   13. Contact Section
   -------------------------------------------------------------------------- */
.contact { background: var(--clr-bg); }

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
}
.contact-intro {
  color: var(--clr-text-muted);
  font-size: 1rem;
  line-height: 1.75;
  margin-bottom: 2rem;
}
.contact-items { display: flex; flex-direction: column; gap: 1rem; }
.contact-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-sm);
  padding: 1rem 1.25rem;
  transition: var(--transition);
  color: var(--clr-text);
}
.contact-item:hover {
  background: var(--clr-surface-hov);
  border-color: var(--clr-border-hov);
  transform: translateX(4px);
  color: var(--clr-primary);
}
.contact-item-icon {
  width: 44px; height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--clr-primary-dim);
  border-radius: var(--radius-sm);
  color: var(--clr-primary);
  flex-shrink: 0;
}
.contact-item-label { display: block; font-size: 0.75rem; color: var(--clr-text-muted); margin-bottom: 0.1rem; }
.contact-item-value { font-size: 0.85rem; font-weight: 600; }

/* Contact Form */
.contact-form {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-card);
  padding: 2rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}
.form-group { display: flex; flex-direction: column; gap: 0.4rem; }
.form-group label {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--clr-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.form-group input,
.form-group textarea {
  background: var(--clr-bg);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-sm);
  padding: 0.75rem 1rem;
  color: var(--clr-text);
  font-family: var(--font-sans);
  font-size: 0.9rem;
  transition: var(--transition);
  resize: vertical;
  outline: none;
}
.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--clr-primary);
  box-shadow: 0 0 0 3px var(--clr-primary-dim);
}
.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--clr-text-dim);
}
.form-note { font-size: 0.85rem; }

/* --------------------------------------------------------------------------
   14. Certifications Section
   -------------------------------------------------------------------------- */
.certifications { background: var(--clr-bg); }

.certs-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 1.5rem;
  max-width: 1100px;
  margin: 0 auto;
}

.cert-card {
  position: relative;
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-card);
  padding: 1.75rem;
  transition: var(--transition);
  overflow: hidden;
  cursor: default;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}
.cert-card:hover {
  border-color: var(--clr-border-hov);
  transform: translateY(-6px);
  box-shadow: var(--shadow-card);
}
.cert-card:hover .cert-card-glow { opacity: 1; }
.cert-card-glow {
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 50% 0%, rgba(0, 180, 216, 0.08), transparent 70%);
  opacity: 0;
  transition: opacity 0.4s;
  pointer-events: none;
}

.cert-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.cert-logo {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 900;
  font-size: 0.85rem;
  flex-shrink: 0;
  letter-spacing: -0.5px;
}
.cert-logo-google {
  background: linear-gradient(135deg, #4285F4, #34A853);
  color: #fff;
  font-size: 1.1rem;
}
.cert-logo-ibm {
  background: #1F70C1;
  color: #fff;
  font-size: 0.7rem;
  letter-spacing: 0.5px;
}

.cert-issuer {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--clr-text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.cert-name {
  font-size: 1rem;
  font-weight: 700;
  color: var(--clr-text);
  line-height: 1.4;
}

.cert-description {
  font-size: 0.85rem;
  color: var(--clr-text-muted);
  line-height: 1.65;
  flex: 1;
}

.cert-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 0.25rem;
  padding-top: 0.75rem;
  border-top: 1px solid var(--clr-border);
}

.cert-date {
  font-size: 0.78rem;
  color: var(--clr-text-muted);
  font-family: var(--font-mono);
}

.cert-badge {
  font-size: 0.7rem;
  font-weight: 700;
  padding: 0.2rem 0.65rem;
  border-radius: 50px;
  background: var(--clr-accent-dim);
  color: var(--clr-accent);
  border: 1px solid rgba(0, 245, 160, 0.25);
}

/* --------------------------------------------------------------------------
   15. Footer
   -------------------------------------------------------------------------- */
.footer {
  background: var(--clr-bg-alt);
  border-top: 1px solid var(--clr-border);
  padding: 3rem 2rem;
  text-align: center;
}
.footer-logo {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--clr-primary);
  font-family: var(--font-mono);
  margin-bottom: 0.75rem;
}
.footer-tagline {
  color: var(--clr-text-muted);
  font-size: 0.9rem;
  margin-bottom: 0.5rem;
}
.footer-copy { color: var(--clr-text-dim); font-size: 0.8rem; }

/* --------------------------------------------------------------------------
   15. Responsive Design
   -------------------------------------------------------------------------- */
@media (max-width: 1024px) {
  .hero-container { grid-template-columns: 1fr; text-align: center; }
  .hero-badge, .hero-actions, .hero-stats { justify-content: center; }
  .hero-description { margin: 0 auto 2rem; }
  .hero-visual { order: -1; }
  .about-grid { grid-template-columns: 1fr; }
  .skills-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  :root { --space-section: 4rem; }
  .nav-links { 
    position: fixed;
    top: 70px; left: 0; right: 0;
    background: rgba(5, 10, 20, 0.98);
    backdrop-filter: blur(20px);
    flex-direction: column;
    padding: 1.5rem 2rem;
    gap: 1rem;
    border-bottom: 1px solid var(--clr-border);
    transform: translateY(-110%);
    transition: transform 0.3s ease;
  }
  .nav-links.open { transform: translateY(0); }
  .nav-cta { display: none; }
  .hamburger { display: flex; }
  .about-cards { grid-template-columns: 1fr; }
  .timeline-item { grid-template-columns: 30px 1fr; gap: 1rem; }
  .education-card { flex-direction: column; gap: 1rem; }
  .projects-grid { grid-template-columns: 1fr; }
  .profile-wrapper { width: 240px; height: 240px; }
  .profile-img-container { width: 160px; height: 160px; }
  .hero-stats { gap: 1.25rem; }
  .about-info-grid { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
  .hero-name { letter-spacing: -1px; }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .hero-actions .btn { justify-content: center; }
  .timeline-header { flex-direction: column; align-items: flex-start; }
  .edu-header { flex-direction: column; }
}

/* ============================================================
   VIBE CODING & TERMINAL STYLES
   ============================================================ */
/* Glassmorphism overrides for extra vibe */
.project-card, .cert-card, .about-card, .contact-info, .contact-form, .timeline-content {
  background: var(--clr-surface);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--clr-border);
}

/* Terminal Trigger Button */
.terminal-trigger {
  position: fixed;
  bottom: 2rem;
  left: 2rem;
  width: 50px;
  height: 50px;
  background: rgba(0, 0, 0, 0.6);
  border: 1px solid var(--clr-accent);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--clr-accent);
  cursor: pointer;
  z-index: 99;
  backdrop-filter: blur(10px);
  transition: all 0.3s ease;
  box-shadow: 0 0 15px rgba(0, 245, 160, 0.2);
}
.terminal-trigger:hover {
  transform: scale(1.1);
  box-shadow: 0 0 25px rgba(0, 245, 160, 0.4);
}

/* Terminal Modal */
.terminal-modal {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.85);
  backdrop-filter: blur(8px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}
.terminal-modal.open {
  opacity: 1;
  pointer-events: auto;
}
.terminal-window {
  width: 90%;
  max-width: 800px;
  height: 60vh;
  background: #0f172a;
  border-radius: 12px;
  border: 1px solid #334155;
  box-shadow: 0 20px 50px rgba(0,0,0,0.5);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  font-family: var(--font-mono);
  color: #a8b2d1;
  transform: translateY(20px);
  transition: transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}
.terminal-modal.open .terminal-window {
  transform: translateY(0);
}

/* Terminal Header */
.terminal-header {
  background: #1e293b;
  padding: 0.75rem 1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid #334155;
}
.terminal-dots {
  display: flex;
  gap: 6px;
}
.terminal-dots span {
  display: inline-block;
  width: 12px;
  height: 12px;
  border-radius: 50%;
}
.terminal-dots span:nth-child(1) { background: #ef4444; }
.terminal-dots span:nth-child(2) { background: #eab308; }
.terminal-dots span:nth-child(3) { background: #22c55e; }

.terminal-title {
  font-size: 0.85rem;
  color: #94a3b8;
}
.terminal-close {
  background: none;
  border: none;
  color: #94a3b8;
  font-size: 1.5rem;
  cursor: pointer;
  line-height: 1;
}

/* Terminal Body */
.terminal-body {
  flex: 1;
  padding: 1.5rem;
  overflow-y: auto;
  font-size: 0.95rem;
  line-height: 1.6;
}
.terminal-line {
  margin-bottom: 0.5rem;
  word-wrap: break-word;
}
.terminal-line.cmd { color: #00f5a0; margin-top: 1rem; font-weight: 600;}
.terminal-line.err { color: #ff5252; }
.terminal-line.success { color: #00b4d8; }

.terminal-input-wrapper {
  display: flex;
  padding: 0 1.5rem 1.5rem 1.5rem;
  align-items: center;
  gap: 0.5rem;
}
.terminal-prompt {
  color: #00f5a0;
  font-weight: 600;
  font-size: 0.95rem;
}
.terminal-input {
  flex: 1;
  background: transparent;
  border: none;
  color: #e8f0fe;
  font-family: var(--font-mono);
  font-size: 0.95rem;
  outline: none;
}

/* ============================================================
   AESTHETIC POLISH (PART 2)
   ============================================================ */

/* 1. Custom Scrollbar */
::-webkit-scrollbar {
  width: 8px;
}
::-webkit-scrollbar-track {
  background: var(--clr-bg);
}
::-webkit-scrollbar-thumb {
  background: var(--clr-primary-dim);
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--clr-primary);
}

/* 2. Custom Cursor */
@media (hover: hover) and (pointer: fine) {
  /* Hide standard cursor on non-touch devices */
  body {
    cursor: none;
  }
  a, button, input, textarea, .project-card, .cert-card, .terminal-trigger {
    cursor: none;
  }
  
  .cursor-dot {
    width: 6px;
    height: 6px;
    background-color: var(--clr-accent);
    position: fixed;
    top: 0;
    left: 0;
    border-radius: 50%;
    z-index: 99999;
    pointer-events: none;
    transform: translate(-50%, -50%);
    transition: width 0.1s, height 0.1s;
    box-shadow: 0 0 10px var(--clr-accent);
  }
  
  .cursor-ring {
    width: 30px;
    height: 30px;
    border: 1px solid var(--clr-primary);
    position: fixed;
    top: 0;
    left: 0;
    border-radius: 50%;
    z-index: 99998;
    pointer-events: none;
    transform: translate(-50%, -50%);
    transition: width 0.2s ease, height 0.2s ease, background-color 0.2s ease, border-color 0.2s ease;
  }
  
  .cursor-ring.active {
    width: 50px;
    height: 50px;
    background-color: rgba(0, 180, 216, 0.15);
    border-color: var(--clr-accent);
  }
}
@media (hover: none) {
  .cursor-dot, .cursor-ring {
    display: none;
  }
}

/* 3. Gradient Text */
.text-gradient {
  background: linear-gradient(135deg, var(--clr-primary), var(--clr-accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-block;
}

/* 4. Animated Gradient Border Buttons */
@property --angle {
  syntax: '<angle>';
  initial-value: 0deg;
  inherits: false;
}
.btn-animated {
  position: relative;
  border: none !important;
  background-color: var(--clr-bg) !important;
  background-clip: padding-box;
  z-index: 1;
}
.btn-animated::after {
  content: '';
  position: absolute;
  inset: -2px;
  border-radius: inherit;
  z-index: -1;
  background: conic-gradient(from var(--angle), transparent 70%, var(--clr-accent) 85%, var(--clr-primary) 100%);
  animation: rotate-border 3s linear infinite;
  box-shadow: 0 0 10px rgba(0, 180, 216, 0.3);
}
.btn-animated::before {
  content: '';
  position: absolute;
  inset: 1px; 
  background: var(--clr-bg);
  border-radius: inherit;
  z-index: -1;
}
.terminal-trigger.btn-animated::before {
  background: rgba(0, 0, 0, 0.8);
}
.nav-cta.btn-animated {
  background-color: transparent !important;
}
.nav-cta.btn-animated::before {
  background: var(--clr-bg);
}
.nav-cta.btn-animated:hover::before {
  background: var(--clr-primary);
}

@keyframes rotate-border {
  from { --angle: 0deg; }
  to { --angle: 360deg; }
}

/* 5. Enhanced Timeline Flow */
.timeline-dot {
  transition: all 0.5s ease, box-shadow 0.5s ease;
}
.timeline-item.active .timeline-dot {
  background: var(--clr-accent);
  border-color: var(--clr-bg);
  box-shadow: 0 0 15px var(--clr-accent), 0 0 30px var(--clr-accent);
}
.timeline-item.active .timeline-content {
  border-color: rgba(0, 245, 160, 0.4);
  box-shadow: 0 4px 32px rgba(0, 245, 160, 0.1);
}