/* ============================================================
   SHRAY GUPTA PORTFOLIO — custom.css
   Design System · Dark Mode · Responsive · Animations
   ============================================================ */

/* ── Google Fonts ─────────────────────────────────────────── */
@import url('https://fonts.googleapis.com/css2?family=Syne:wght@400;500;600;700;800&family=DM+Sans:ital,wght@0,300;0,400;0,500;1,300&display=swap');

/* ── CSS Custom Properties (Light Mode) ──────────────────── */
:root {
  /* Brand palette */
  --accent:        #5b6af0;
  --accent-2:      #8b5cf6;
  --accent-glow:   rgba(91, 106, 240, 0.25);
  --accent-subtle: rgba(91, 106, 240, 0.08);
  --gradient-hero: linear-gradient(135deg, #5b6af0 0%, #8b5cf6 50%, #06b6d4 100%);
  --gradient-bar:  linear-gradient(90deg, #5b6af0 0%, #06b6d4 100%);

  /* Surface colours */
  --bg:            #f4f4f8;
  --surface:       rgba(255,255,255,0.72);
  --surface-card:  rgba(255,255,255,0.85);
  --surface-glass: rgba(255,255,255,0.45);
  --border:        rgba(91, 106, 240, 0.15);
  --border-strong: rgba(91, 106, 240, 0.3);

  /* Body BG image overlay */
  --body-overlay: rgba(244,244,248,0.7);

  /* Typography */
  --text-primary:   #0f0f1a;
  --text-secondary: #4a4a6a;
  --text-muted:     #7a7a9a;
  --text-inverse:   #ffffff;

  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(15,15,26,0.06);
  --shadow-md: 0 8px 32px rgba(15,15,26,0.10);
  --shadow-lg: 0 20px 60px rgba(15,15,26,0.14);
  --shadow-accent: 0 8px 32px rgba(91,106,240,0.22);

  /* Spacing scale */
  --space-1: 1rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-24: 6rem;

  /* Radius */
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --radius-full: 9999px;

  /* Transitions */
  --ease: cubic-bezier(0.4, 0, 0.2, 1);
  --duration-fast: 150ms;
  --duration-base: 300ms;
  --duration-slow: 500ms;

  /* Typography scale */
  --font-display: 'Syne', sans-serif;
  --font-body:    'DM Sans', sans-serif;
  --fs-xs: clamp(0.7rem, 1.5vw, 0.8rem);
  --fs-sm: clamp(0.825rem, 1.8vw, 0.9rem);
  --fs-base: clamp(0.9rem, 2vw, 1rem);
  --fs-lg: clamp(1rem, 2.5vw, 1.15rem);
  --fs-xl: clamp(1.15rem, 3vw, 1.35rem);
  --fs-2xl: clamp(1.4rem, 4vw, 1.75rem);
  --fs-3xl: clamp(1.75rem, 5vw, 2.5rem);
  --fs-4xl: clamp(2.2rem, 6vw, 3.5rem);
  --fs-hero: clamp(2.5rem, 7vw, 4.5rem);
}

/* ── Dark Mode Variables ─────────────────────────────────── */
.dark {
  --bg:            #0a0a14;
  --surface:       rgba(18,18,32,0.8);
  --surface-card:  rgba(22,22,40,0.92);
  --surface-glass: rgba(18,18,32,0.55);
  --border:        rgba(91,106,240,0.18);
  --border-strong: rgba(91,106,240,0.4);
  --body-overlay: rgba(10,10,20,0.82);

  --text-primary:   #eeeef6;
  --text-secondary: #a0a0c0;
  --text-muted:     #6060888;

  --shadow-sm: 0 2px 8px rgba(0,0,0,0.35);
  --shadow-md: 0 8px 32px rgba(0,0,0,0.45);
  --shadow-lg: 0 20px 60px rgba(0,0,0,0.55);

  --surface-card: rgba(18,20,40,0.92);
  --accent-subtle: rgba(91,106,240,0.12);
}

/* ── Reset & Base ────────────────────────────────────────── */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  outline: none;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Custom scrollbar */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb {
  background: var(--accent);
  border-radius: var(--radius-full);
}

body {
  font-family: var(--font-body);
  font-size: var(--fs-base);
  color: var(--text-primary);
  background-color: var(--bg);
  background-image: url('https://media.idownloadblog.com/wp-content/uploads/2021/05/macOS-Big-Sur-wallpaper-inspiration-javierocasio-idownloadblog-Waves-Dark-4K.jpg');
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
  min-height: 100vh;
  transition: background-color var(--duration-base) var(--ease),
              color var(--duration-base) var(--ease);
  overflow-x: hidden;
}

body::before {
  content: '';
  position: fixed;
  inset: 0;
  background: var(--body-overlay);
  backdrop-filter: saturate(1.8) blur(2px);
  -webkit-backdrop-filter: saturate(1.8) blur(2px);
  z-index: 0;
  pointer-events: none;
  transition: background var(--duration-base) var(--ease);
}

/* ── Layout Wrapper ──────────────────────────────────────── */
.portfolio-wrapper {
  position: relative;
  z-index: 1;
  max-width: 1300px;
  margin: 0 auto;
  padding: clamp(0.75rem, 2vw, 1.5rem);
}

/* ── Glass Panel ─────────────────────────────────────────── */
.glass-panel {
  background: var(--surface);
  backdrop-filter: blur(24px) saturate(1.5);
  -webkit-backdrop-filter: blur(24px) saturate(1.5);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-md);
  transition: background var(--duration-base) var(--ease),
              border-color var(--duration-base) var(--ease);
}

/* ── Typography helpers ──────────────────────────────────── */
h1, h2, h3, h4 { font-family: var(--font-display); line-height: 1.15; }
p { line-height: 1.75; color: var(--text-secondary); }
a { text-decoration: none; color: inherit; }

.section-label {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--fs-xs);
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  background: var(--accent-subtle);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  border: 1px solid var(--border);
  margin-bottom: var(--space-4);
}

.section-title {
  font-size: var(--fs-3xl);
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: var(--space-3);
}

.section-title .gradient-text {
  background: var(--gradient-hero);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* ── Buttons ─────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 0.65rem 1.5rem;
  font-family: var(--font-display);
  font-size: var(--fs-sm);
  font-weight: 600;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all var(--duration-base) var(--ease);
  white-space: nowrap;
  border: none;
  text-decoration: none;
}

.btn-primary {
  background: var(--gradient-hero);
  color: #fff;
  box-shadow: 0 4px 20px rgba(91,106,240,0.35);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(91,106,240,0.5);
  color: #fff;
}

.btn-outline {
  background: transparent;
  color: var(--text-primary);
  border: 1.5px solid var(--border-strong);
}
.btn-outline:hover {
  background: var(--accent-subtle);
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-2px);
}

.btn-ghost {
  background: transparent;
  color: var(--accent);
  padding: 0.5rem 1rem;
}
.btn-ghost:hover {
  background: var(--accent-subtle);
}

/* ── Navbar ──────────────────────────────────────────────── */
.navbar {
  position: sticky;
  top: clamp(0.5rem, 1.5vw, 1rem);
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 1.5rem;
  background: var(--surface-card);
  backdrop-filter: blur(20px) saturate(1.8);
  -webkit-backdrop-filter: blur(20px) saturate(1.8);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-md);
  margin-bottom: var(--space-6);
  gap: var(--space-4);
  transition: background var(--duration-base) var(--ease);
}

.navbar-brand {
  font-family: var(--font-display);
  font-size: var(--fs-xl);
  font-weight: 800;
  background: var(--gradient-hero);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  white-space: nowrap;
  flex-shrink: 0;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  flex-wrap: wrap;
}

.nav-links a {
  padding: 0.4rem 0.85rem;
  font-size: var(--fs-sm);
  font-weight: 500;
  color: var(--text-secondary);
  border-radius: var(--radius-full);
  transition: all var(--duration-fast) var(--ease);
}
.nav-links a:hover {
  color: var(--accent);
  background: var(--accent-subtle);
}

.nav-controls {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  flex-shrink: 0;
}

/* Dark mode toggle */
.theme-toggle {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent-subtle);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-full);
  cursor: pointer;
  font-size: 1rem;
  color: var(--text-primary);
  transition: all var(--duration-base) var(--ease);
  flex-shrink: 0;
}
.theme-toggle:hover {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
  transform: rotate(15deg);
}

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 0.5rem;
  border-radius: var(--radius-sm);
  transition: background var(--duration-fast);
  flex-shrink: 0;
}
.hamburger:hover { background: var(--accent-subtle); }
.hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: all var(--duration-base) var(--ease);
}
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile nav drawer */
.mobile-nav {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 99;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
  background: var(--surface-card);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  opacity: 0;
  transform: translateY(-20px);
  transition: opacity var(--duration-base) var(--ease),
              transform var(--duration-base) var(--ease);
  pointer-events: none;
}
.mobile-nav.open {
  display: flex;
  opacity: 1;
  transform: none;
  pointer-events: all;
}
.mobile-nav a {
  font-family: var(--font-display);
  font-size: var(--fs-2xl);
  font-weight: 700;
  color: var(--text-primary);
  transition: color var(--duration-fast);
}
.mobile-nav a:hover { color: var(--accent); }
.mobile-nav-close {
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--text-secondary);
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-full);
  transition: background var(--duration-fast);
}
.mobile-nav-close:hover { background: var(--accent-subtle); color: var(--accent); }

/* ── Hero Section ────────────────────────────────────────── */
.hero-section {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: clamp(1.5rem, 4vw, 3rem);
  align-items: center;
  padding: clamp(2rem, 5vw, 4rem) clamp(1.5rem, 3vw, 2.5rem);
  margin-bottom: var(--space-6);
  position: relative;
  overflow: hidden;
}

.hero-section::before {
  content: '';
  position: absolute;
  top: -60%;
  right: -10%;
  width: 70%;
  height: 200%;
  background: radial-gradient(ellipse, rgba(91,106,240,0.08) 0%, transparent 70%);
  pointer-events: none;
}

.hero-image-wrapper {
  position: relative;
  flex-shrink: 0;
}

.hero-image-ring {
  position: relative;
  width: clamp(200px, 25vw, 280px);
  height: clamp(200px, 25vw, 280px);
  border-radius: 30% 70% 70% 30% / 30% 30% 70% 70%;
  background: var(--gradient-hero);
  padding: 3px;
  animation: morph 8s ease-in-out infinite;
}

@keyframes morph {
  0%, 100% { border-radius: 30% 70% 70% 30% / 30% 30% 70% 70%; }
  25%       { border-radius: 60% 40% 30% 70% / 60% 30% 70% 40%; }
  50%       { border-radius: 30% 60% 70% 40% / 50% 60% 30% 60%; }
  75%       { border-radius: 50% 50% 40% 60% / 40% 70% 60% 30%; }
}

.hero-image-inner {
  width: 100%;
  height: 100%;
  border-radius: inherit;
  overflow: hidden;
  background: var(--surface-card);
}

.hero-image-inner img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
}

.hero-image-badge {
  position: absolute;
  bottom: -10px;
  right: -10px;
  background: var(--surface-card);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-md);
  padding: 0.5rem 0.75rem;
  font-size: var(--fs-xs);
  font-weight: 600;
  color: var(--accent);
  box-shadow: var(--shadow-sm);
  white-space: nowrap;
  display: flex;
  align-items: center;
  gap: 0.3rem;
}
.hero-image-badge .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #22c55e;
  animation: pulse-dot 2s ease-in-out infinite;
}
@keyframes pulse-dot {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.3); opacity: 0.7; }
}

.hero-content { display: flex; flex-direction: column; gap: var(--space-3); }

.hero-name {
  font-size: var(--fs-hero);
  font-weight: 800;
  color: var(--text-primary);
  line-height: 1.05;
}

.hero-role {
  font-size: var(--fs-2xl);
  font-weight: 400;
  color: var(--text-secondary);
}
.hero-role .typing {
  background: var(--gradient-hero);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  font-weight: 700;
}

.hero-bio {
  font-size: var(--fs-base);
  color: var(--text-secondary);
  line-height: 1.8;
  max-width: 55ch;
}

.hero-actions {
  display: flex;
  gap: var(--space-3);
  flex-wrap: wrap;
  margin-top: var(--space-2);
}

.hero-stats {
  display: flex;
  gap: var(--space-6);
  flex-wrap: wrap;
  margin-top: var(--space-4);
  padding-top: var(--space-4);
  border-top: 1px solid var(--border);
}
.hero-stat {}
.hero-stat strong {
  display: block;
  font-family: var(--font-display);
  font-size: var(--fs-2xl);
  font-weight: 800;
  background: var(--gradient-hero);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.hero-stat span {
  font-size: var(--fs-xs);
  color: var(--text-muted);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

/* ── About Section ───────────────────────────────────────── */
.about-section {
  padding: clamp(2rem, 4vw, 3rem) clamp(1.5rem, 3vw, 2.5rem);
  margin-bottom: var(--space-6);
  position: relative;
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(1.5rem, 4vw, 3rem);
  align-items: start;
}

.about-quote-block {
  position: relative;
  padding: var(--space-6);
  background: var(--accent-subtle);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
}
.about-quote-block .quote-icon{
  font-size: 4rem;
  line-height: 1;
  color: var(--accent);
  opacity: 0.2;
  font-family: Georgia, serif;
  margin-bottom: var(--space-2);
  display: block;
}
.about-quote-block p {
  font-size: var(--fs-base);
  line-height: 1.9;
}

.about-highlights {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  margin-top: var(--space-4);
}
.highlight-chip {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 0.4rem 1rem;
  background: var(--surface-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-full);
  font-size: var(--fs-xs);
  font-weight: 600;
  color: var(--text-secondary);
  box-shadow: var(--shadow-sm);
  transition: all var(--duration-base);
  width: fit-content;
}
.highlight-chip:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-subtle);
}
.highlight-chip i { color: var(--accent); }

/* ── Skills & Projects ───────────────────────────────────── */
.skills-projects-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(1rem, 2.5vw, 1.5rem);
  margin-bottom: var(--space-6);
}

/* Skills card */
.skills-card {
  padding: clamp(1.25rem, 3vw, 2rem);
}

.skills-icons-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(52px, 1fr));
  gap: var(--space-3);
  margin-bottom: var(--space-6);
}

.skill-icon-wrapper {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-1);
  cursor: default;
}
.skill-icon-wrapper img {
  width: 42px;
  height: 42px;
  object-fit: contain;
  filter: drop-shadow(0 2px 4px rgba(0,0,0,0.1));
  transition: transform var(--duration-base) var(--ease);
}
.skill-icon-wrapper:hover img { transform: scale(1.15) translateY(-2px); }
.skill-icon-wrapper span {
  font-size: 0.6rem;
  color: var(--text-muted);
  font-weight: 600;
  text-align: center;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Progress bars */
.skills-bars { display: flex; flex-direction: column; gap: var(--space-4); }

.skill-bar-item {}
.skill-bar-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-2);
}
.skill-bar-header span:first-child {
  font-size: var(--fs-sm);
  font-weight: 600;
  color: var(--text-primary);
}
.skill-bar-header span:last-child {
  font-size: var(--fs-xs);
  font-weight: 700;
  color: var(--accent);
}

.skill-bar-track {
  height: 6px;
  background: var(--accent-subtle);
  border-radius: var(--radius-full);
  overflow: hidden;
  border: 1px solid var(--border);
}
.skill-bar-fill {
  height: 100%;
  background: var(--gradient-bar);
  border-radius: var(--radius-full);
  width: 0%;
  transition: width 1.2s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Projects card */
.projects-card {
  padding: clamp(1.25rem, 3vw, 2rem);
}

.project-item {
  display: flex;
  gap: var(--space-3);
  padding: var(--space-4);
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  background: var(--surface-glass);
  transition: all var(--duration-base) var(--ease);
  margin-bottom: var(--space-3);
  align-items: flex-start;
}
.project-item:last-child { margin-bottom: 0; }
.project-item:hover {
  border-color: var(--accent);
  background: var(--accent-subtle);
  transform: translateX(4px);
  box-shadow: var(--shadow-sm);
}

.project-thumb {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-sm);
  object-fit: cover;
  flex-shrink: 0;
  border: 1px solid var(--border);
  background: var(--surface-card);
}

.project-info { flex: 1; min-width: 0; }
.project-info h4 {
  font-size: var(--fs-sm);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.2rem;
  display: flex;
  align-items: center;
  gap: var(--space-2);
  flex-wrap: wrap;
}
.project-info h4 a {
  color: var(--accent);
  font-size: var(--fs-xs);
  display: inline-flex;
  align-items: center;
  gap: 2px;
  transition: opacity var(--duration-fast);
}
.project-info h4 a:hover { opacity: 0.7; }
.project-tech {
  font-size: var(--fs-xs);
  color: var(--accent);
  font-weight: 600;
  margin-bottom: var(--space-1);
  display: block;
}
.project-info p {
  font-size: var(--fs-xs);
  color: var(--text-muted);
  line-height: 1.6;
  margin: 0;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* ── Experience Section ──────────────────────────────────── */
.experience-section {
  padding: clamp(1.5rem, 3vw, 2.5rem);
  margin-bottom: var(--space-6);
}

.experience-timeline { display: flex; flex-direction: column; gap: var(--space-6); }

.exp-card {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--space-6);
  align-items: start;
}

.exp-timeline-column {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0;
  padding-top: var(--space-1);
}

.exp-dot {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--gradient-hero);
  flex-shrink: 0;
  box-shadow: 0 0 0 4px var(--accent-subtle);
}

.exp-line {
  width: 2px;
  flex: 1;
  background: var(--border);
  min-height: 40px;
  margin-top: 4px;
}

.exp-content {
  padding: clamp(1rem, 2vw, 1.5rem);
  background: var(--surface-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  transition: all var(--duration-base) var(--ease);
}
.exp-content:hover {
  border-color: var(--border-strong);
  box-shadow: var(--shadow-accent);
  transform: translateY(-2px);
}

.exp-header { margin-bottom: var(--space-4); }
.exp-duration {
  font-size: var(--fs-xs);
  font-weight: 700;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  display: flex;
  align-items: center;
  gap: var(--space-1);
  margin-bottom: var(--space-1);
}
.exp-role {
  font-size: var(--fs-xl);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 2px;
}
.exp-company {
  font-size: var(--fs-sm);
  color: var(--text-secondary);
  font-weight: 500;
}

.exp-projects-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
}

.exp-project-chip {
  padding: var(--space-3);
  background: var(--accent-subtle);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
}
.exp-project-chip h5 {
  font-size: var(--fs-xs);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.25rem;
  display: flex;
  align-items: center;
  gap: var(--space-1);
}
.exp-project-chip p {
  font-size: var(--fs-xs);
  color: var(--text-muted);
  line-height: 1.5;
  margin: 0;
}

.exp-certs-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-3);
  margin-top: var(--space-3);
}

.cert-card {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  cursor: pointer;
  border: 1px solid var(--border);
  aspect-ratio: 4/3;
}
.cert-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--duration-slow) var(--ease);
}
.cert-card:hover img { transform: scale(1.06); }
.cert-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(91,106,240,0.9) 0%, transparent 60%);
  display: flex;
  align-items: flex-end;
  justify-content: center;
  padding: var(--space-3);
  opacity: 0;
  transition: opacity var(--duration-base) var(--ease);
}
.cert-card:hover .cert-overlay { opacity: 1; }
.cert-overlay a {
  color: #fff;
  font-size: var(--fs-xs);
  font-weight: 600;
  border: 1px solid rgba(255,255,255,0.5);
  padding: 0.3rem 0.8rem;
  border-radius: var(--radius-full);
  transition: background var(--duration-fast);
}
.cert-overlay a:hover { background: rgba(255,255,255,0.2); }
.cert-label {
  font-size: var(--fs-xs);
  color: var(--text-muted);
  text-align: center;
  margin-top: var(--space-1);
  font-weight: 500;
}

/* ── Achievements Section ────────────────────────────────── */
.achievements-section {
  padding: clamp(1.5rem, 3vw, 2.5rem);
  margin-bottom: var(--space-6);
}

.achievements-inner {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: clamp(1.5rem, 4vw, 2.5rem);
  align-items: center;
}

.achievements-lottie {
  width: clamp(100px, 15vw, 180px);
  flex-shrink: 0;
}
.achievements-lottie video {
  width: 100%;
  border-radius: var(--radius-lg);
}

.swiper {
  width: 100%;
  max-width: 700px;
  padding-bottom: 2.5rem !important;
}

.swiper-slide {
  background: var(--surface-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  height: 260px;
  transition: all var(--duration-base) var(--ease);
}

.swiper-slide img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: var(--space-2);
}

.swiper-pagination-bullet {
  background: var(--accent) !important;
}

/* ── Hire Me Banner ──────────────────────────────────────── */
.hire-banner {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-xl);
  padding: clamp(2rem, 5vw, 3.5rem);
  text-align: center;
  margin-bottom: var(--space-6);
  background: var(--gradient-hero);
  box-shadow: var(--shadow-accent);
}

.hire-banner::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url('./assets/images/folio.jpg');
  background-size: cover;
  background-position: center;
  opacity: 0.12;
}

.hire-banner-content { position: relative; z-index: 1; }
.hire-banner h3 {
  font-size: var(--fs-3xl);
  font-weight: 800;
  color: #fff;
  margin-bottom: var(--space-3);
}
.hire-banner h3 span { color: #a3f06a; }
.hire-banner p {
  color: rgba(255,255,255,0.82);
  max-width: 55ch;
  margin: 0 auto var(--space-6);
  font-size: var(--fs-lg);
}
.hire-banner .btn-primary {
  background: #fff;
  color: var(--accent);
  box-shadow: 0 8px 32px rgba(0,0,0,0.15);
}
.hire-banner .btn-primary:hover {
  background: rgba(255,255,255,0.9);
  box-shadow: 0 12px 40px rgba(0,0,0,0.2);
}

/* ── Contact Section ─────────────────────────────────────── */
.contact-section {
  padding: clamp(1.5rem, 3vw, 2.5rem);
  margin-bottom: var(--space-6);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: clamp(1.5rem, 4vw, 3rem);
  align-items: start;
}

.contact-info h3 {
  font-size: var(--fs-2xl);
  font-weight: 800;
  margin-bottom: var(--space-3);
}
.contact-info p {
  margin-bottom: var(--space-6);
  font-size: var(--fs-base);
}

.contact-detail-list { display: flex; flex-direction: column; gap: var(--space-3); }
.contact-detail {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  background: var(--surface-glass);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  transition: all var(--duration-base) var(--ease);
}
.contact-detail:hover {
  border-color: var(--accent);
  background: var(--accent-subtle);
}
.contact-detail-icon {
  width: 36px;
  height: 36px;
  background: var(--accent);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 0.9rem;
  flex-shrink: 0;
}
.contact-detail-text {}
.contact-detail-text strong {
  display: block;
  font-size: var(--fs-xs);
  color: var(--text-muted);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.contact-detail-text span, .contact-detail-text a {
  font-size: var(--fs-sm);
  color: var(--text-primary);
  font-weight: 500;
  text-decoration: none;
  transition: color var(--duration-fast);
}
.contact-detail-text a:hover { color: var(--accent); }

.social-links {
  display: flex;
  gap: var(--space-3);
  margin-top: var(--space-4);
}
.social-link {
  width: 42px;
  height: 42px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--surface-card);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  font-size: 1.1rem;
  transition: all var(--duration-base) var(--ease);
  text-decoration: none;
}
.social-link:hover {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
  transform: translateY(-3px);
  box-shadow: var(--shadow-accent);
}

/* Contact Form */
.contact-form-wrapper {}
.form-group { margin-bottom: var(--space-4); }
.form-group label {
  display: block;
  font-size: var(--fs-xs);
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: var(--space-2);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.7rem 1rem;
  background: var(--surface-glass);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-md);
  font-family: var(--font-body);
  font-size: var(--fs-base);
  color: var(--text-primary);
  transition: all var(--duration-base) var(--ease);
  resize: vertical;
}
.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--text-muted);
}
.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--accent);
  background: var(--accent-subtle);
  box-shadow: 0 0 0 3px var(--accent-glow);
}
.form-group textarea { min-height: 120px; }

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3);
}

.submit-btn {
  width: 100%;
  justify-content: center;
  padding: 0.85rem 2rem;
  font-size: var(--fs-base);
}

.form-feedback {
  display: none;
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-md);
  font-size: var(--fs-sm);
  font-weight: 500;
  margin-top: var(--space-3);
}
.form-feedback.success {
  display: block;
  background: rgba(34,197,94,0.1);
  border: 1px solid rgba(34,197,94,0.3);
  color: #16a34a;
}
.form-feedback.error {
  display: block;
  background: rgba(239,68,68,0.1);
  border: 1px solid rgba(239,68,68,0.3);
  color: #dc2626;
}

/* ── Footer ──────────────────────────────────────────────── */
.footer {
  padding: clamp(2rem, 4vw, 3rem) clamp(1.5rem, 3vw, 2.5rem);
  margin-bottom: 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: clamp(2rem, 5vw, 4rem);
  padding-bottom: clamp(1.5rem, 3vw, 2.5rem);
  border-bottom: 1px solid var(--border);
  margin-bottom: var(--space-6);
}

.footer-brand h3 {
  font-size: var(--fs-2xl);
  font-weight: 800;
  background: var(--gradient-hero);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: var(--space-2);
}
.footer-brand p {
  font-size: var(--fs-sm);
  color: var(--text-muted);
  line-height: 1.7;
  max-width: 40ch;
}

.footer-nav h4, .footer-contact h4 {
  font-size: var(--fs-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  margin-bottom: var(--space-4);
}

.footer-nav ul { list-style: none; display: flex; flex-direction: column; gap: var(--space-2); }
.footer-nav ul li a {
  font-size: var(--fs-sm);
  color: var(--text-secondary);
  transition: color var(--duration-fast);
}
.footer-nav ul li a:hover { color: var(--accent); }

.footer-contact address { font-style: normal; display: flex; flex-direction: column; gap: var(--space-3); }
.footer-contact-item { display: flex; align-items: flex-start; gap: var(--space-2); }
.footer-contact-item i { color: var(--accent); margin-top: 3px; font-size: 0.85rem; }
.footer-contact-item span, .footer-contact-item a {
  font-size: var(--fs-xs);
  color: var(--text-secondary);
  line-height: 1.5;
  text-decoration: none;
}
.footer-contact-item a:hover { color: var(--accent); }

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-3);
}
.footer-bottom p {
  font-size: var(--fs-xs);
  color: var(--text-muted);
  margin: 0;
}
.footer-social { display: flex; gap: var(--space-2); }

/* ── Scroll-to-top ───────────────────────────────────────── */
.scroll-to-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 50;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gradient-hero);
  color: #fff;
  border-radius: var(--radius-full);
  box-shadow: var(--shadow-accent);
  cursor: pointer;
  opacity: 0;
  transform: translateY(20px);
  transition: all var(--duration-base) var(--ease);
  border: none;
  font-size: 1rem;
}
.scroll-to-top.visible {
  opacity: 1;
  transform: translateY(0);
}
.scroll-to-top:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(91,106,240,0.4);
}

/* ── Intersection-based reveal animations ─────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.65s var(--ease), transform 0.65s var(--ease);
}
.reveal.visible {
  opacity: 1;
  transform: none;
}
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }

/* ── Progress bar animations on scroll ───────────────────── */
.skills-in-view .skill-bar-fill { /* width set inline via style */ }

/* ── Responsive Breakpoints ──────────────────────────────── */

/* Tablet (max 1024px) */
@media (max-width: 1024px) {
  .about-grid,
  .skills-projects-grid,
  .contact-grid {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
  .footer-brand { grid-column: 1 / -1; }
  .exp-certs-grid { grid-template-columns: 1fr 1fr; }
}

/* Tablet narrow (max 768px) */
@media (max-width: 768px) {
  .nav-links { display: none; }
  .hamburger { display: flex; }

  .hero-section {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .hero-image-wrapper {
    margin: 0 auto;
    width: clamp(160px, 45vw, 220px);
    height: clamp(160px, 45vw, 220px);
  }
  .hero-image-ring {
    width: 100%;
    height: 100%;
  }
  .hero-actions { justify-content: center; }
  .hero-stats { justify-content: center; }
  .hero-bio { margin: 0 auto; }

  .exp-projects-grid { grid-template-columns: 1fr; }
  .achievements-inner { grid-template-columns: 1fr; }
  .achievements-lottie { width: 100px; margin: 0 auto; }

  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; text-align: center; }

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

/* Mobile (max 480px) */
@media (max-width: 480px) {
  .portfolio-wrapper { padding: 0.5rem; }
  .navbar { padding: 0.6rem 1rem; border-radius: var(--radius-lg); }
  .hero-section, .about-section, .experience-section,
  .achievements-section, .contact-section, .footer {
    padding: 1.25rem 1rem;
  }
  .hero-name { font-size: clamp(2rem, 10vw, 3rem); }
  .exp-certs-grid { grid-template-columns: 1fr; }
  .hire-banner { padding: 2rem 1rem; }
  .hire-banner h3 { font-size: var(--fs-2xl); }
  .scroll-to-top { bottom: 1rem; right: 1rem; }
  .glass-panel { border-radius: var(--radius-lg); }
}

/* Ultra-wide (min 1440px) */
@media (min-width: 1440px) {
  .portfolio-wrapper { padding: 2rem; }
}