/* ============================================================
   MAIN.CSS — Global Styles, Variables, Typography, Layout
   Sandesh Kadel Portfolio
   ============================================================ */

/* ── CSS Custom Properties (Design Tokens) ─────────────────── */
:root {
  /* Primary Palette */
  --color-bg:          #0B132B;
  --color-bg-alt:      #1C2541;
  --color-surface:     #151515;
  --color-surface-alt: #1a1a2e;

  /* Accent Colors */
  --color-blue:        #1C7CFF;
  --color-cyan:        #00E5FF;
  --color-purple:      #7F5AF0;
  --color-coral:       #F80A4A;
  --color-orange:      #FF9966;
  --color-sky:         #38BDF8;

  /* Text */
  --color-text:        #E5E7EB;
  --color-text-muted:  #9CA3AF;
  --color-text-light:  #FFFFFF;

  /* Glass */
  --glass-bg:          rgba(255, 255, 255, 0.06);
  --glass-border:      rgba(255, 255, 255, 0.10);
  --glass-blur:        blur(16px);

  /* Gradients */
  --grad-primary:      linear-gradient(135deg, #0B132B, #1C2541, #3A86FF);
  --grad-accent:       linear-gradient(135deg, #1C7CFF, #00E5FF);
  --grad-purple:       linear-gradient(135deg, #7F5AF0, #F80A4A);
  --grad-warm:         linear-gradient(135deg, #FF9966, #F80A4A);
  --grad-text:         linear-gradient(90deg, #1C7CFF, #00E5FF, #7F5AF0);

  /* Shadows */
  --shadow-soft:       0 4px 24px rgba(0, 0, 0, 0.4);
  --shadow-glow-blue:  0 0 30px rgba(28, 124, 255, 0.25);
  --shadow-glow-cyan:  0 0 20px rgba(0, 229, 255, 0.20);

  /* Spacing */
  --spacing-xs:   0.5rem;
  --spacing-sm:   1rem;
  --spacing-md:   1.5rem;
  --spacing-lg:   2rem;
  --spacing-xl:   3rem;
  --spacing-2xl:  5rem;
  --spacing-3xl:  8rem;

  /* Border Radius */
  --radius-sm:    0.5rem;
  --radius-md:    1rem;
  --radius-lg:    1.5rem;
  --radius-xl:    2rem;
  --radius-full:  9999px;

  /* Typography */
  --font-sans:    'Inter', 'Poppins', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-display: 'Poppins', 'Inter', sans-serif;

  /* Z-Index Scale */
  --z-base:    1;
  --z-overlay: 100;
  --z-navbar:  200;
  --z-modal:   300;
  --z-loader:  400;

  /* Transitions */
  --ease-standard: cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --ease-bounce:   cubic-bezier(0.175, 0.885, 0.32, 1.275);
  --ease-out:      cubic-bezier(0, 0, 0.2, 1);
  --transition-fast:   0.15s var(--ease-standard);
  --transition-base:   0.3s  var(--ease-standard);
  --transition-slow:   0.6s  var(--ease-standard);
  --transition-slower: 1.0s  var(--ease-standard);

  /* Navbar height */
  --navbar-h: 72px;

  /* Section padding */
  --section-py: clamp(4rem, 8vw, 7rem);
}

/* ── Light Theme Overrides ──────────────────────────────────── */
[data-theme="light"] {
  --color-bg:          #f0f4ff;
  --color-bg-alt:      #e8eeff;
  --color-surface:     #ffffff;
  --color-surface-alt: #f8f9ff;
  --color-text:        #1a1a2e;
  --color-text-muted:  #4b5563;
  --color-text-light:  #0B132B;
  --glass-bg:          rgba(255, 255, 255, 0.70);
  --glass-border:      rgba(28, 124, 255, 0.18);
  --shadow-soft:       0 4px 24px rgba(0, 0, 0, 0.10);
  --shadow-glow-blue:  0 0 30px rgba(28, 124, 255, 0.12);
  --grad-primary:      linear-gradient(135deg, #c7d9ff, #e8eeff, #f0f4ff);
}

/* ── Reset & Base ───────────────────────────────────────────── */
*, *::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: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  overflow-x: hidden;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  transition: background var(--transition-slow), color var(--transition-slow);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Scrollbar */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--color-bg); }
::-webkit-scrollbar-thumb {
  background: var(--color-blue);
  border-radius: var(--radius-full);
}
::-webkit-scrollbar-thumb:hover { background: var(--color-cyan); }

/* Selection */
::selection {
  background: rgba(28, 124, 255, 0.35);
  color: var(--color-text-light);
}

/* Focus Ring (Accessibility) */
:focus-visible {
  outline: 2px solid var(--color-cyan);
  outline-offset: 3px;
  border-radius: 4px;
}

/* Links */
a {
  color: inherit;
  text-decoration: none;
}

a:hover { opacity: 0.85; }

/* Images — NEVER CROP */
img {
  max-width: 100%;
  height: auto;
  display: block;
  object-fit: contain; /* Prevent cropping */
}

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

/* ── Typography ─────────────────────────────────────────────── */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.2;
  color: var(--color-text-light);
}

h1 { font-size: clamp(2.2rem, 5vw, 4rem); }
h2 { font-size: clamp(1.8rem, 4vw, 3rem); }
h3 { font-size: clamp(1.25rem, 2.5vw, 1.75rem); }
h4 { font-size: clamp(1rem, 2vw, 1.25rem); }

p { color: var(--color-text-muted); line-height: 1.8; }

strong { color: var(--color-text); font-weight: 600; }

/* ── Gradient Text ──────────────────────────────────────────── */
.gradient-text {
  background: var(--grad-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ── Layout: Container ──────────────────────────────────────── */
.container {
  width: 100% !important;
  max-width: 100% !important;
  margin-inline: auto;
  padding-inline: clamp(1rem, 4vw, 2.5rem);
}

/* Use this only where you want true edge-to-edge content */
.container--full {
  width: 100% !important;
  max-width: 100% !important;
}

/* ── Section Base ───────────────────────────────────────────── */
.section {
  padding-block: var(--section-py);
  position: relative;
}

.section--alt {
  background: var(--color-bg-alt);
}

/* ── Section Header ─────────────────────────────────────────── */
.section-header {
  text-align: center;
  margin-bottom: clamp(2.5rem, 5vw, 4rem);
}

.section-tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-cyan);
  background: rgba(0, 229, 255, 0.10);
  border: 1px solid rgba(0, 229, 255, 0.25);
  border-radius: var(--radius-full);
  padding: 0.3rem 1rem;
  margin-bottom: 1rem;
}

.section-title {
  margin-bottom: 0.75rem;
}

.section-subtitle {
  font-size: clamp(0.9rem, 2vw, 1.1rem);
  color: var(--color-text-muted);
  max-width: 600px;
  margin-inline: auto;
}

/* ── Glass Card ─────────────────────────────────────────────── */
.glass-card {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-soft);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.glass-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-glow-blue), var(--shadow-soft);
}

/* ── Button (CTA) – From Uiverse.io by alexmaracinaru ────────── */
/* These are defined in components.css but we anchor .cta-wrap */
.cta-wrap {
  display: inline-flex;
  align-items: center;
  margin-top: var(--spacing-md);
}

/* ── Navbar ─────────────────────────────────────────────────── */
.site-navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-navbar);
  height: var(--navbar-h);
  display: flex;
  align-items: center;
  transition: background var(--transition-base), box-shadow var(--transition-base),
              backdrop-filter var(--transition-base);
  padding-inline: clamp(1rem, 4vw, 2.5rem);
}

.site-navbar.scrolled {
  background: rgba(11, 19, 43, 0.88);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 2px 24px rgba(0,0,0,0.5);
}

[data-theme="light"] .site-navbar.scrolled {
  background: rgba(240, 244, 255, 0.88);
}

.navbar-inner {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.navbar-logo {
  display: flex;
  align-items: center;
  gap: 4px;
  flex-shrink: 0;
}

.logo-text {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 900;
  background: var(--grad-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: 0.05em;
}

.logo-dot {
  width: 6px;
  height: 6px;
  background: var(--color-cyan);
  border-radius: 50%;
  display: inline-block;
  align-self: flex-start;
  margin-top: 4px;
  box-shadow: 0 0 10px var(--color-cyan);
}

.nav-links-wrap {
  flex: 1;
  display: flex;
  justify-content: center;
}

.nav-pill {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
}

.nav-icon-btn {
  color: var(--color-text-muted);
  transition: color var(--transition-fast), background var(--transition-fast);
}

.nav-icon-btn:hover,
.nav-item.active .nav-icon-btn {
  color: var(--color-cyan);
  background: rgba(0, 229, 255, 0.08);
}

.navbar-right {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-shrink: 0;
}

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  background: transparent;
  border: none;
  cursor: pointer;
  border-radius: var(--radius-sm);
}

.hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: transform var(--transition-base), opacity var(--transition-base);
}

.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile Menu */
.mobile-menu {
  display: none;
  flex-direction: column;
  position: fixed;
  top: var(--navbar-h);
  left: 0;
  right: 0;
  background: rgba(11, 19, 43, 0.97);
  -webkit-backdrop-filter: blur(20px);
  backdrop-filter: blur(20px);
  padding: 1.5rem;
  gap: 0.25rem;
  z-index: var(--z-modal);
  transform: translateY(-110%);
  opacity: 0;
  pointer-events: none;
  max-height: calc(100svh - var(--navbar-h));
  overflow-y: auto;
  transition: transform var(--transition-base), opacity var(--transition-base);
}

.mobile-menu.open {
  transform: translateY(0);
  opacity: 1;
  pointer-events: auto;
}

.mobile-menu-backdrop {
  display: none;
  position: fixed;
  top: var(--navbar-h);
  left: 0;
  right: 0;
  bottom: 0;
  z-index: calc(var(--z-modal) - 1);
  background: rgba(11, 19, 43, 0.65);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-base);
}

.mobile-menu-backdrop.open {
  opacity: 1;
  pointer-events: auto;
}

.mobile-link {
  display: block;
  padding: 0.85rem 1rem;
  font-size: 1rem;
  font-weight: 500;
  color: var(--color-text-muted);
  border-radius: var(--radius-md);
  transition: background var(--transition-fast), color var(--transition-fast);
}

.mobile-link:hover,
.mobile-link.active {
  background: rgba(28, 124, 255, 0.12);
  color: var(--color-cyan);
}

[data-theme="light"] .mobile-menu {
  background: rgba(240, 244, 255, 0.97);
}

[data-theme="light"] .mobile-menu-backdrop {
  background: rgba(240, 244, 255, 0.65);
}

body.menu-open {
  overflow: hidden;
}

/* ── Hero Section ───────────────────────────────────────────── */
.hero-section {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: var(--grad-primary);
  padding-top: var(--navbar-h);
}

.hero-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
}

.hero-orb {
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
  filter: blur(90px);
  opacity: 0.35;
}

.hero-orb--1 {
  width: 600px; height: 600px;
  background: var(--color-blue);
  top: -200px; right: -100px;
  animation: orbFloat1 12s ease-in-out infinite;
}
.hero-orb--2 {
  width: 400px; height: 400px;
  background: var(--color-purple);
  bottom: -100px; left: 10%;
  animation: orbFloat2 15s ease-in-out infinite;
}
.hero-orb--3 {
  width: 300px; height: 300px;
  background: var(--color-cyan);
  top: 30%; left: 40%;
  animation: orbFloat3 10s ease-in-out infinite;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 800px;
  padding-inline: clamp(1rem, 4vw, 2.5rem);
  padding-block: var(--spacing-2xl);
  margin-inline: auto;
  text-align: center;
  padding-left: max(1rem, env(safe-area-inset-left));
  padding-right: max(1rem, env(safe-area-inset-right));
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 1rem;
  background: rgba(0, 229, 255, 0.08);
  border: 1px solid rgba(0, 229, 255, 0.25);
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--color-cyan);
  margin-bottom: 1.5rem;
}

.hero-badge__dot {
  width: 8px; height: 8px;
  background: #22c55e;
  border-radius: 50%;
  box-shadow: 0 0 8px #22c55e;
  animation: pulse-dot 2s infinite;
}

.hero-title {
  font-size: clamp(2.5rem, 6vw, 5.5rem);
  font-weight: 900;
  line-height: 1.1;
  margin-bottom: 1rem;
}

.hero-name {
  display: block;
}

.hero-roles {
  font-size: clamp(1.1rem, 2.5vw, 1.5rem);
  font-weight: 500;
  color: var(--color-text-muted);
  margin-bottom: 1.25rem;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  flex-wrap: wrap;
  min-height: 2.5rem;
}

.role-prefix { color: var(--color-text-muted); }

.roles-ticker {
  position: relative;
  height: 2rem;
  overflow: hidden;
  min-width: 260px;
}

.role-word {
  position: absolute;
  top: 0; left: 0; right: 0;
  font-weight: 700;
  color: var(--color-cyan);
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.5s var(--ease-standard), transform 0.5s var(--ease-standard);
  white-space: nowrap;
}

.role-word.active {
  opacity: 1;
  transform: translateY(0);
}

.hero-desc {
  font-size: clamp(0.95rem, 2vw, 1.15rem);
  color: var(--color-text-muted);
  max-width: 580px;
  margin-inline: auto;
  margin-bottom: 2rem;
  line-height: 1.8;
}

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

/* Hero Stats */
.hero-stats {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.5rem;
  flex-wrap: wrap;
  padding: 1.25rem 2rem;
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-xl);
  width: fit-content;
  margin-inline: auto;
}

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

.stat-num {
  display: block;
  font-size: 2rem;
  font-weight: 900;
  background: var(--grad-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
}

.stat-plus {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-cyan);
}

.stat-label {
  display: block;
  font-size: 0.75rem;
  color: var(--color-text-muted);
  margin-top: 0.2rem;
  font-weight: 500;
}

.stat-divider {
  width: 1px;
  height: 40px;
  background: var(--glass-border);
}

/* Scroll Indicator */
.scroll-indicator {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  animation: scrollBounce 2s ease-in-out infinite;
  z-index: 1;
}

.scroll-indicator__mouse {
  width: 26px; height: 40px;
  border: 2px solid rgba(255,255,255,0.3);
  border-radius: 13px;
  display: flex;
  justify-content: center;
  padding-top: 6px;
}

.scroll-indicator__wheel {
  width: 3px; height: 8px;
  background: var(--color-cyan);
  border-radius: 3px;
  animation: scrollWheel 2s ease-in-out infinite;
}

.scroll-indicator__text {
  font-size: 0.65rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.4);
}

/* ── About Section ──────────────────────────────────────────── */
.about-section { background: var(--color-bg-alt); }

.about-grid {
  display: grid;
  grid-template-columns: minmax(280px, 1fr) 1.4fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
  margin-bottom: var(--spacing-2xl);
}

/* Avatar */
.about-avatar-wrap {
  position: relative;
  width: fit-content;
  margin-inline: auto;
}

.about-avatar-ring {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  animation: spinRing 12s linear infinite;
}

.about-avatar-ring--1 {
  border: 2px dashed rgba(0, 229, 255, 0.3);
  transform: scale(1.15);
}

.about-avatar-ring--2 {
  border: 2px dashed rgba(127, 90, 240, 0.25);
  transform: scale(1.3);
  animation-direction: reverse;
  animation-duration: 18s;
}

.about-avatar-img {
  width: clamp(220px, 30vw, 300px);
  height: clamp(220px, 30vw, 300px);
  border-radius: 50%;
  overflow: hidden;
  border: 3px solid rgba(0, 229, 255, 0.3);
  box-shadow:
    0 0 0 8px rgba(0, 229, 255, 0.04),
    0 0 60px rgba(28, 124, 255, 0.3),
    var(--shadow-soft);
}

.about-avatar-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
}

.about-float-badge {
  position: absolute;
  padding: 0.4rem 0.85rem;
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-text);
  white-space: nowrap;
  box-shadow: var(--shadow-soft);
  animation: floatBadge 3s ease-in-out infinite;
}

.about-float-badge--top {
  top: -10px;
  right: -20px;
}

.about-float-badge--bottom {
  bottom: -10px;
  left: -20px;
  animation-delay: -1.5s;
}

/* About Content */
.about-intro h3 {
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  margin-bottom: 0.25rem;
}

.about-role {
  font-size: 0.9rem;
  color: var(--color-cyan);
  font-weight: 500;
  margin-bottom: 1.25rem;
}

.about-text {
  margin-bottom: 1rem;
  font-size: 0.97rem;
}

.about-info-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 0.75rem;
  margin: 1.5rem 0;
}

.about-info-item {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  padding: 0.85rem 1rem;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
}

.about-info-icon {
  font-size: 1.2rem;
  flex-shrink: 0;
}

.about-info-label {
  display: block;
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-text-muted);
  font-weight: 600;
}

.about-info-value {
  display: block;
  font-size: 0.88rem;
  color: var(--color-text);
  font-weight: 500;
  margin-top: 2px;
}

.about-info-value.link {
  color: var(--color-cyan);
}

/* Timeline */
.timeline-wrap {
  margin-top: var(--spacing-xl);
}

.timeline-title {
  text-align: center;
  margin-bottom: 2rem;
  font-size: 1.5rem;
}

.timeline {
  position: relative;
  padding-left: 2rem;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--color-blue), var(--color-cyan), transparent);
}

.timeline-item {
  position: relative;
  padding-left: 1.75rem;
  margin-bottom: 1.75rem;
}

.timeline-dot {
  position: absolute;
  left: -2.5rem;
  top: 1rem;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--color-cyan);
  border: 2px solid var(--color-bg-alt);
  box-shadow: 0 0 12px var(--color-cyan);
}

.timeline-content {
  padding: 1.25rem 1.5rem;
}

.timeline-year {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--color-cyan);
  background: rgba(0, 229, 255, 0.08);
  border-radius: var(--radius-full);
  padding: 0.2rem 0.75rem;
  margin-bottom: 0.5rem;
  letter-spacing: 0.05em;
}

.timeline-content h4 {
  margin-bottom: 0.35rem;
  color: var(--color-text);
}

/* ── Skills Section ─────────────────────────────────────────── */
.skills-tabs {
  display: flex;
  gap: 0.5rem;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 2.5rem;
}

.skill-tab {
  padding: 0.6rem 1.5rem;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-full);
  color: var(--color-text-muted);
  font-family: var(--font-sans);
  font-size: 0.88rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-base);
}

.skill-tab:hover {
  border-color: var(--color-blue);
  color: var(--color-blue);
}

.skill-tab.active {
  background: var(--grad-accent);
  border-color: transparent;
  color: white;
  box-shadow: 0 0 20px rgba(28, 124, 255, 0.3);
}

.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.25rem;
}

.skills-grid[hidden] {
  display: none;
}

.skill-card {
  padding: 1.25rem;
  display: flex;
  align-items: flex-start;
  gap: 1rem;
}

.skill-icon {
  flex-shrink: 0;
  width: 52px;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.25rem;
  background: var(--glass-bg);
  border-radius: var(--radius-md);
  border: 1px solid var(--glass-border);
  padding: 0.4rem;
}

/* Dual-logo variant: wider to fit two icons */
.skill-icon--dual {
  width: 68px;
  flex-direction: row;
  gap: 0.2rem;
  padding: 0.35rem 0.3rem;
}

/* Triple-logo variant: wider for three icons */
.skill-icon--triple {
  width: 84px;
  flex-direction: row;
  gap: 0.15rem;
  padding: 0.3rem 0.25rem;
}

/* Skill logo image */
.skill-logo {
  display: block;
  object-fit: contain;
  flex-shrink: 0;
}

/* Dark logos (GitHub, Express, etc.) — invert on dark theme */
.skill-logo--bg {
  border-radius: 4px;
  background: rgba(255,255,255,0.12);
  padding: 2px;
}

.skill-info { flex: 1; }

.skill-name-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.6rem;
}

.skill-name {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--color-text);
}

.skill-pct {
  font-size: 0.78rem;
  color: var(--color-cyan);
  font-weight: 700;
}

.skill-bar {
  width: 100%;
  height: 6px;
  background: rgba(255,255,255,0.08);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.skill-bar__fill {
  height: 100%;
  width: 0;
  background: var(--grad-accent);
  border-radius: var(--radius-full);
  transition: width 1.4s var(--ease-out);
}

/* ── Projects Section ───────────────────────────────────────── */
.projects-section {
  background: var(--color-bg-alt);
}

.projects-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 2rem;
  justify-content: center;
}

/* Project container sizing */
.project-container {
  margin: 0;
}

/* ── FRONT face — full image cover ── */
.project-front {
  background: var(--pg, linear-gradient(-135deg, #F80A4A, #0AA4F8)) !important;
  padding: 0 !important;
  gap: 0 !important;
  justify-content: flex-end !important;
  align-items: stretch !important;
  text-align: center;
  overflow: hidden;
  position: relative !important;
}

/* Image fills the entire front face */
.project-front__img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center;
  display: block;
  border-radius: 2rem;
  z-index: 0;
}

/* Gradient overlay so text stays readable */
.project-front__info {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 5px;
  padding: 0.6rem 0.75rem 0.9rem;
  width: 100%;
  background: linear-gradient(to top, rgba(0,0,0,0.72) 0%, rgba(0,0,0,0.3) 70%, transparent 100%);
  box-sizing: border-box;
}

.project-front__name {
  font-size: 1.05rem;
  font-weight: 700;
  color: #fff;
  margin: 0;
  text-shadow: 0 1px 6px rgba(0,0,0,0.3);
}

.project-tech-tag {
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  background: rgba(0,0,0,0.3);
  color: #fff;
  padding: 4px 12px;
  border-radius: 50px;
  backdrop-filter: blur(6px);
}

.project-front__hint {
  font-size: 0.7rem;
  color: rgba(255,255,255,0.65);
  margin: 4px 0 0;
  font-style: italic;
}

/* ── BACK face — info + demo button ── */
.project-back {
  padding: 1.4rem 1.25rem !important;
  gap: 9px !important;
  align-items: flex-start !important;
  justify-content: center !important;
  text-align: left !important;
}

.project-back__title {
  font-size: 1rem;
  font-weight: 700;
  color: #fff;
  margin: 0;
  line-height: 1.2;
}

.project-back__desc {
  font-size: 0.76rem;
  color: rgba(255,255,255,0.88);
  line-height: 1.5;
  margin: 0;
}

.project-back__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
}

.project-back__tags span {
  font-size: 0.63rem;
  font-weight: 600;
  color: #fff;
  background: rgba(255,255,255,0.18);
  border: 1px solid rgba(255,255,255,0.3);
  padding: 3px 9px;
  border-radius: 50px;
}

/* CTA button on back */
.project-back .cta span {
  color: #234567;
}

/* project-front-overlay kept for legacy ref */
.project-front-overlay {
  position: absolute;
  bottom: 1rem;
  left: 1rem;
}

.project-desc {
  font-size: 0.82rem;
  color: rgba(255,255,255,0.75);
  line-height: 1.6;
}

.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.project-tags span {
  font-size: 0.7rem;
  padding: 0.2rem 0.6rem;
  background: rgba(255,255,255,0.12);
  border-radius: var(--radius-full);
  color: rgba(255,255,255,0.85);
}

.project-links { margin-top: auto; }

/* ── Achievements Section ───────────────────────────────────── */
.achievements-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 2.5rem;
  justify-content: center;
}

/* Ach card extra styles */
.ach-back-info {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
  padding: 1.25rem;
  z-index: 1;
  text-align: center;
}

.ach-back-title {
  font-size: 1rem;
  font-weight: 700;
  color: white;
}

.ach-back-desc {
  font-size: 0.78rem;
  color: rgba(255,255,255,0.75);
  line-height: 1.6;
}

.ach-back-date {
  font-size: 0.75rem;
  color: var(--color-orange);
  font-weight: 600;
}

.ach-img {
  position: absolute !important;
  inset: 0;
  width: 100% !important;
  height: 100% !important;
  object-fit: contain !important;
  background: #151515;
}

/* ── Gallery Section ────────────────────────────────────────── */
.gallery-section {
  background: var(--color-bg);
}

.gallery-grid {
  display: grid;
  width: 100%;
  grid-template-columns: repeat(auto-fit, minmax(270px, 1fr));
  justify-content: stretch;
  gap: clamp(1rem, 2vw, 1.75rem);
}

.gallery-card {
  cursor: pointer;
}

.gallery-card-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  background: #f2f2f2;
  border-radius: 10px;
}

/* ── Resume Section ─────────────────────────────────────────── */
.resume-section { background: var(--color-bg-alt); }

.resume-layout {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: start;
}

.resume-col-title {
  font-size: 1.15rem;
  margin-bottom: 1.25rem;
  color: var(--color-text);
}

.resume-timeline {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.resume-item {
  padding: 1.25rem 1.5rem;
}

.resume-year {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--color-cyan);
  background: rgba(0, 229, 255, 0.08);
  border-radius: var(--radius-full);
  padding: 0.2rem 0.75rem;
  margin-bottom: 0.5rem;
}

.resume-item h4 { margin-bottom: 0.15rem; }

.resume-org {
  font-size: 0.82rem;
  color: var(--color-purple);
  font-weight: 500;
  margin-bottom: 0.4rem;
}

.resume-item p {
  font-size: 0.85rem;
}

/* Resume Preview Card */
.resume-preview-card {
  padding: 2.5rem 2rem;
  text-align: center;
  position: sticky;
  top: calc(var(--navbar-h) + 1.5rem);
}

.resume-preview-icon {
  font-size: 3.5rem;
  margin-bottom: 1rem;
  display: block;
}

.resume-preview-card h3 {
  margin-bottom: 0.5rem;
}

.resume-preview-card p {
  font-size: 0.88rem;
  margin-bottom: 1.25rem;
}

.resume-preview-skills {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  justify-content: center;
  margin-bottom: 1.5rem;
}

.resume-preview-skills span {
  font-size: 0.72rem;
  padding: 0.25rem 0.75rem;
  background: rgba(28, 124, 255, 0.1);
  border: 1px solid rgba(28, 124, 255, 0.2);
  border-radius: var(--radius-full);
  color: var(--color-blue);
  font-weight: 600;
}

.resume-download-btn {
  margin-top: 0;
  justify-content: center;
}

.resume-updated {
  font-size: 0.72rem;
  color: var(--color-text-muted);
  margin-top: 0.75rem;
}

/* ── Contact Section ────────────────────────────────────────── */
.contact-section { background: var(--color-bg); }

.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: start;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.contact-info-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 1.25rem;
}

.contact-info-icon {
  font-size: 1.5rem;
  flex-shrink: 0;
}

.contact-info-item strong {
  display: block;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-muted);
  font-weight: 700;
  margin-bottom: 0.25rem;
}

.contact-info-item a,
.contact-info-item span {
  font-size: 0.9rem;
  color: var(--color-text);
  font-weight: 500;
}

.contact-info-item a {
  color: var(--color-cyan);
}

.contact-response-note {
  font-size: 0.82rem;
  color: var(--color-text-muted);
  padding: 0.75rem 0;
}

.contact-form-wrap {
  display: flex;
  justify-content: stretch;
  width: 100%;
}

/* ── Social Section ─────────────────────────────────────────── */
.social-section {
  background: var(--color-bg-alt);
}

.social-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 2rem;
  justify-content: center;
}

.social-bg--github  { background: radial-gradient(circle at 80% 80%, #171515 0%, #2dba4e 100%); }
.social-bg--linkedin { background: radial-gradient(circle at 80% 80%, #0077b5 0%, #00a0dc 100%); }
.social-bg--youtube  { background: radial-gradient(circle at 80% 80%, #ff0000 0%, #ff6b6b 100%); }
.social-bg--portfolio { background: radial-gradient(circle at 100% 107%, #7F5AF0 0%, #1C7CFF 60%, #00E5FF 100%); }

/* ── Footer ─────────────────────────────────────────────────── */
.site-footer {
  background: #070d1a;
  border-top: 2px solid rgba(0, 229, 255, 0.12);
  padding: 3.5rem 0 1.75rem;
  margin-top: auto;
  width: 100%;
}

.footer-inner {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.footer-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 2rem;
  margin-bottom: 2rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid rgba(255,255,255,0.07);
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  flex: 1;
  min-width: 220px;
}

.footer-brand-logo {
  display: flex;
  align-items: center;
  gap: 0.1rem;
}

.footer-brand .logo-text {
  font-size: 1.75rem;
  line-height: 1;
}

.footer-brand p {
  font-size: 0.83rem;
  margin: 0;
  max-width: 360px;
  line-height: 1.65;
  color: var(--color-text-muted);
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.5rem;
  align-items: center;
  justify-content: flex-end;
}

.footer-links a {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  transition: color var(--transition-fast);
  padding: 0.25rem 0;
  position: relative;
}

.footer-links a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--color-cyan);
  transition: width var(--transition-fast);
}

.footer-links a:hover { color: var(--color-cyan); }
.footer-links a:hover::after { width: 100%; }

.footer-social {
  margin-bottom: 2rem;
}

.footer-social .social-grid {
  justify-content: flex-start;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-bottom p {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  margin: 0;
  line-height: 1.5;
}

/* Scroll Top */
.scroll-top-btn {
  width: 40px; height: 40px;
  background: var(--grad-accent);
  color: white;
  border: none;
  border-radius: 50%;
  font-size: 1.1rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform var(--transition-base), box-shadow var(--transition-base);
  box-shadow: 0 0 20px rgba(28,124,255,0.3);
}

.scroll-top-btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 0 30px rgba(28,124,255,0.5);
}

/* ── Image Modal ────────────────────────────────────────────── */
/* ═══════════════════════════════════════════════════
   FULLSCREEN LIGHTBOX
══════════════════════════════════════════════════════ */
.lb-overlay[hidden] {
  display: none !important;
}

.lb-overlay {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: rgba(0, 0, 0, 0.96);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.lb-overlay.open {
  opacity: 1;
  pointer-events: all;
}

/* Close button — top-right corner, always visible */
.lb-close {
  position: absolute;
  top: 1.25rem;
  right: 1.25rem;
  z-index: 10;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.12);
  border: 2px solid rgba(255, 255, 255, 0.3);
  color: #fff;
  font-size: 1.5rem;
  line-height: 1;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s ease, transform 0.2s ease, border-color 0.2s ease;
}

.lb-close:hover {
  background: rgba(220, 38, 38, 0.55);
  border-color: rgba(220, 38, 38, 0.7);
  transform: rotate(90deg) scale(1.1);
}

/* Inner content container */
.lb-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.9rem;
  max-width: 92vw;
  max-height: 92vh;
}

/* The image — full visible, never cropped */
.lb-img {
  display: block;
  max-width: 88vw;
  max-height: 84vh;
  width: auto;
  height: auto;
  object-fit: contain;
  border-radius: 10px;
  box-shadow: 0 8px 80px rgba(0, 0, 0, 0.9), 0 0 0 1px rgba(255,255,255,0.06);
  transform: scale(0.94);
  opacity: 0;
  transition: transform 0.35s cubic-bezier(0.34, 1.56, 0.64, 1),
              opacity  0.25s ease;
}

.lb-overlay.open .lb-img {
  transform: scale(1);
  opacity: 1;
}

/* Caption */
.lb-caption {
  font-size: 0.88rem;
  color: rgba(255, 255, 255, 0.55);
  text-align: center;
  letter-spacing: 0.02em;
  margin: 0;
}

/* ── Contact Status ─────────────────────────────────────────── */
.contact-status {
  padding: 0.75rem 1rem;
  border-radius: var(--radius-md);
  font-size: 0.88rem;
  font-weight: 500;
  margin-top: 0.5rem;
  display: none;
  text-align: center;
}

.contact-status.success {
  display: block;
  background: rgba(34, 197, 94, 0.12);
  border: 1px solid rgba(34, 197, 94, 0.3);
  color: #22c55e;
}

.contact-status.error {
  display: block;
  background: rgba(248, 10, 74, 0.12);
  border: 1px solid rgba(248, 10, 74, 0.3);
  color: #f80a4a;
}

/* ── Reveal Animations ──────────────────────────────────────── */
.reveal-up,
.reveal-left,
.reveal-right {
  opacity: 0;
  transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out);
  transition-delay: var(--delay, 0s);
}

.reveal-up    { transform: translateY(40px); }
.reveal-left  { transform: translateX(-40px); }
.reveal-right { transform: translateX( 40px); }

.reveal-up.visible,
.reveal-left.visible,
.reveal-right.visible {
  opacity: 1;
  transform: translate(0, 0);
}

/* ── Loader Overlay ─────────────────────────────────────────── */
.loader-overlay {
  position: fixed;
  inset: 0;
  z-index: var(--z-loader);
  background: var(--grad-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 0.6s var(--ease-standard);
}

.loader-overlay.hidden {
  opacity: 0;
  pointer-events: none;
}

.loader-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
}

.loader-name-anim {
  display: flex;
  gap: 0.1rem;
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 5vw, 2.5rem);
  font-weight: 900;
  color: white;
  letter-spacing: 0.15em;
}

.loader-letter {
  display: inline-block;
  animation: letterPop 0.5s var(--ease-bounce) both;
}

.loader-letter:nth-child(1)  { animation-delay: 0.05s; }
.loader-letter:nth-child(2)  { animation-delay: 0.10s; }
.loader-letter:nth-child(3)  { animation-delay: 0.15s; }
.loader-letter:nth-child(4)  { animation-delay: 0.20s; }
.loader-letter:nth-child(5)  { animation-delay: 0.25s; }
.loader-letter:nth-child(6)  { animation-delay: 0.30s; }
.loader-letter:nth-child(7)  { animation-delay: 0.35s; }
.loader-letter:nth-child(8)  { animation-delay: 0.45s; }
.loader-letter:nth-child(9)  { animation-delay: 0.50s; }
.loader-letter:nth-child(10) { animation-delay: 0.55s; }
.loader-letter:nth-child(11) { animation-delay: 0.60s; }
.loader-letter:nth-child(12) { animation-delay: 0.65s; }
.loader-letter:nth-child(13) { animation-delay: 0.70s; }

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

/* Tablet */
@media (max-width: 1024px) {
  .about-grid {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .about-info-grid {
    justify-content: center;
  }

  .resume-layout {
    grid-template-columns: 1fr;
  }

  .gallery-grid {
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    justify-content: stretch;
  }

  .resume-preview-card {
    position: static;
  }

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

@media (max-width: 640px) {
  .gallery-grid {
    grid-template-columns: 1fr;
  }
}

/* Mobile */
@media (max-width: 768px) {
  .site-navbar .nav-links-wrap {
    display: none !important;
  }

  .site-navbar .navbar-right {
    margin-left: auto;
  }

  .site-navbar .hamburger {
    display: flex !important;
  }

  .theme-switch {
    --toggle-size: 13px;
  }

  .mobile-menu {
    display: flex;
  }

  .mobile-menu-backdrop {
    display: block;
  }

  .hero-stats {
    gap: 1rem;
    padding: 1rem 1.25rem;
  }

  .stat-divider {
    display: none;
  }

  .about-avatar-ring--1,
  .about-avatar-ring--2 {
    display: none;
  }

  .about-float-badge {
    display: none;
  }

  .timeline {
    padding-left: 1.5rem;
  }

  .contact-form-wrap {
    width: 100%;
  }

  .footer-top {
    flex-direction: column;
    align-items: flex-start;
    gap: 1.5rem;
  }

  .footer-links {
    justify-content: flex-start;
  }

  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: clamp(2rem, 8vw, 3rem);
  }

  .roles-ticker {
    min-width: 200px;
  }

  .hero-cta {
    flex-direction: column;
    align-items: center;
  }

  .theme-switch {
    --toggle-size: 11px;
  }
}

/* ── Form field error messages ──────────────────────────────── */
.field-error {
  display: block;
  color: #f80a4a;
  font-size: 0.78rem;
  margin-top: 4px;
  animation: fadeIn 0.2s ease;
}

[aria-invalid="true"] {
  border-color: rgba(248, 10, 74, 0.6) !important;
  box-shadow: 0 0 0 2px rgba(248, 10, 74, 0.2) !important;
}

/* ── Submit button loading state ────────────────────────────── */
.login-button.loading {
  opacity: 0.8;
  cursor: not-allowed;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.login-button.success {
  background: linear-gradient(135deg, #10b981, #059669) !important;
}

.btn-spinner {
  display: inline-block;
  width: 14px;
  height: 14px;
  border: 2px solid rgba(255,255,255,0.3);
  border-top-color: #fff;
  border-radius: 50%;
  animation: rotation_481 0.7s linear infinite;
  flex-shrink: 0;
}

/* ── Gallery card focused state ─────────────────────────────── */
.gallery-card.focused {
  outline: 3px solid var(--clr-accent);
  outline-offset: 3px;
}

/* ── Contact status hidden ──────────────────────────────────── */
.contact-status[hidden] {
  display: none !important;
}