/* ==========================================================================
   FAHIM ALAM — LUXURY DUAL-THEME vCARD & PORTFOLIO (LIGHT & DARK)
   Engineered with luxury glassmorphism, animated ambient mesh, dual themes,
   micro-interactions, and pixel-perfect responsiveness.
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&family=Space+Grotesk:wght@500;600;700;800&family=JetBrains+Mono:wght@400;500;600&display=swap');

/* ==========================================================================
   THEME DESIGN TOKENS
   ========================================================================== */
:root {
  /* DARK THEME (Default) */
  --bg-base: #07090e;
  --bg-subtle: #0b0e17;
  --bg-card: rgba(15, 20, 32, 0.75);
  --bg-card-hover: rgba(22, 30, 48, 0.85);
  --bg-card-solid: #0f1420;
  --bg-glass: rgba(255, 255, 255, 0.035);
  --bg-glass-hover: rgba(255, 255, 255, 0.075);
  --bg-input: rgba(11, 15, 25, 0.75);
  --bg-tag: rgba(0, 229, 255, 0.08);

  --border-subtle: rgba(255, 255, 255, 0.07);
  --border-medium: rgba(255, 255, 255, 0.14);
  --border-accent: rgba(0, 229, 255, 0.4);
  --border-focus: #00e5ff;

  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --text-dim: #475569;
  --text-white: #ffffff;

  /* Luxury Neon Accents */
  --accent-cyan: #00e5ff;
  --accent-blue: #3b82f6;
  --accent-purple: #a855f7;
  --accent-pink: #ec4899;
  --accent-gradient: linear-gradient(135deg, #00e5ff 0%, #3b82f6 50%, #a855f7 100%);
  --accent-gradient-text: linear-gradient(135deg, #00e5ff 0%, #60a5fa 50%, #c084fc 100%);
  --accent-glow: rgba(0, 229, 255, 0.22);
  --accent-glow-strong: rgba(0, 229, 255, 0.45);

  --success: #10b981;
  --warning: #f59e0b;
  --danger: #ef4444;

  /* Typography */
  --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-heading: 'Space Grotesk', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  /* Radii */
  --radius-xs: 6px;
  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-xl: 32px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-card: 0 20px 60px rgba(0, 0, 0, 0.55), 0 0 0 1px var(--border-subtle);
  --shadow-elevated: 0 30px 90px rgba(0, 0, 0, 0.7), 0 0 45px rgba(0, 229, 255, 0.15);
  --shadow-glow: 0 0 35px var(--accent-glow);

  --ease-spring: cubic-bezier(0.16, 1, 0.3, 1);
  --transition: 0.3s var(--ease-spring);
}

/* ==========================================================================
   LIGHT THEME PALETTE (Apple / Stripe High-End Style)
   ========================================================================== */
body.light-theme {
  --bg-base: #f4f7fb;
  --bg-subtle: #e8eef6;
  --bg-card: rgba(255, 255, 255, 0.88);
  --bg-card-hover: rgba(255, 255, 255, 0.98);
  --bg-card-solid: #ffffff;
  --bg-glass: rgba(0, 0, 0, 0.025);
  --bg-glass-hover: rgba(0, 0, 0, 0.05);
  --bg-input: rgba(245, 248, 252, 0.9);
  --bg-tag: rgba(0, 136, 204, 0.08);

  --border-subtle: rgba(15, 23, 42, 0.08);
  --border-medium: rgba(15, 23, 42, 0.16);
  --border-accent: rgba(0, 136, 204, 0.4);
  --border-focus: #0088cc;

  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #64748b;
  --text-dim: #94a3b8;
  --text-white: #ffffff;

  --accent-cyan: #0088cc;
  --accent-blue: #2563eb;
  --accent-purple: #7c3aed;
  --accent-gradient: linear-gradient(135deg, #0088cc 0%, #2563eb 50%, #7c3aed 100%);
  --accent-gradient-text: linear-gradient(135deg, #0088cc 0%, #2563eb 60%, #7c3aed 100%);
  --accent-glow: rgba(0, 136, 204, 0.18);
  --accent-glow-strong: rgba(0, 136, 204, 0.35);

  --shadow-card: 0 18px 50px rgba(15, 23, 42, 0.08), 0 0 0 1px var(--border-subtle);
  --shadow-elevated: 0 30px 80px rgba(15, 23, 42, 0.14), 0 0 30px rgba(0, 136, 204, 0.12);
  --shadow-glow: 0 0 30px rgba(0, 136, 204, 0.15);
}

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

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

body {
  font-family: var(--font-sans);
  background-color: var(--bg-base);
  color: var(--text-primary);
  min-height: 100vh;
  position: relative;
  overflow-x: hidden;
  line-height: 1.65;
  transition: background-color 0.4s ease, color 0.4s ease;
}

/* Ambient Background Lights */
.bg-canvas {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}

.bg-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(130px);
  opacity: 0.4;
  animation: orbFloat 22s infinite alternate ease-in-out;
}

.bg-orb-1 {
  width: 650px;
  height: 650px;
  top: -180px;
  left: -120px;
  background: radial-gradient(circle, var(--accent-cyan) 0%, var(--accent-blue) 60%, transparent 80%);
}

.bg-orb-2 {
  width: 750px;
  height: 750px;
  bottom: -220px;
  right: -180px;
  background: radial-gradient(circle, var(--accent-purple) 0%, var(--accent-blue) 50%, transparent 80%);
  animation-duration: 28s;
  animation-delay: -5s;
}

.bg-orb-3 {
  width: 500px;
  height: 500px;
  top: 35%;
  left: 40%;
  background: radial-gradient(circle, var(--accent-cyan) 0%, transparent 70%);
  opacity: 0.15;
  animation-duration: 18s;
  animation-delay: -10s;
}

.bg-grid-overlay {
  position: absolute;
  inset: 0;
  background-image: 
    linear-gradient(to right, var(--border-subtle) 1px, transparent 1px),
    linear-gradient(to bottom, var(--border-subtle) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: radial-gradient(ellipse 85% 85% at 50% 50%, black 20%, transparent 85%);
  -webkit-mask-image: radial-gradient(ellipse 85% 85% at 50% 50%, black 20%, transparent 85%);
}

@keyframes orbFloat {
  0% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(70px, 45px) scale(1.1); }
  100% { transform: translate(-50px, 85px) scale(0.92); }
}

/* ==========================================================================
   APP CONTAINER & TOP CONTROLS
   ========================================================================== */
.app-container {
  position: relative;
  z-index: 10;
  max-width: 1320px;
  margin: 0 auto;
  padding: 2.75rem 1.5rem 4.5rem;
  display: grid;
  grid-template-columns: 390px 1fr;
  gap: 2.25rem;
  align-items: start;
}

/* Floating Top Right Controls */
.top-controls {
  position: fixed;
  top: 1.5rem;
  right: 1.75rem;
  z-index: 100;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.theme-toggle-pill {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.45rem 0.95rem;
  border-radius: var(--radius-full);
  background: var(--bg-card);
  border: 1px solid var(--border-medium);
  backdrop-filter: blur(20px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.25);
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
}

.theme-toggle-pill:hover {
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
  box-shadow: var(--shadow-glow);
  transform: translateY(-2px);
}

.theme-toggle-pill svg {
  width: 18px;
  height: 18px;
}

.quick-mail-btn {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-full);
  background: var(--bg-card);
  border: 1px solid var(--border-medium);
  backdrop-filter: blur(20px);
  color: var(--text-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.25);
  transition: var(--transition);
  text-decoration: none;
}

.quick-mail-btn:hover {
  transform: translateY(-2px);
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
  box-shadow: var(--shadow-glow);
}

.quick-mail-btn svg {
  width: 19px;
  height: 19px;
}

/* ==========================================================================
   LEFT PROFILE vCARD (STICKY GLASS DOCK)
   ========================================================================== */
.profile-card {
  position: sticky;
  top: 2rem;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  backdrop-filter: blur(28px);
  -webkit-backdrop-filter: blur(28px);
  box-shadow: var(--shadow-card);
  overflow: hidden;
  transition: var(--transition);
}

.profile-card:hover {
  border-color: var(--border-accent);
  box-shadow: var(--shadow-elevated);
}

/* Card Banner */
.profile-banner {
  height: 150px;
  position: relative;
  background: linear-gradient(135deg, rgba(0,229,255,0.25) 0%, rgba(59,130,246,0.35) 50%, rgba(168,85,247,0.3) 100%);
  overflow: hidden;
}

.profile-banner::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, transparent 25%, var(--bg-card) 100%);
}

.banner-badge {
  position: absolute;
  top: 1rem;
  left: 1rem;
  z-index: 2;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 0.95rem;
  border-radius: var(--radius-full);
  background: rgba(10, 15, 25, 0.85);
  border: 1px solid var(--border-medium);
  font-size: 0.76rem;
  font-weight: 600;
  color: var(--text-white);
  backdrop-filter: blur(10px);
}

body.light-theme .banner-badge {
  background: rgba(255, 255, 255, 0.9);
  color: var(--text-primary);
}

.pulse-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--success);
  box-shadow: 0 0 10px var(--success);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7); }
  70% { transform: scale(1); box-shadow: 0 0 0 8px rgba(16, 185, 129, 0); }
  100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
}

/* Avatar Frame */
.profile-avatar-wrap {
  position: relative;
  width: 156px;
  height: 156px;
  margin: -78px auto 1rem;
  z-index: 3;
}

.avatar-ring {
  position: absolute;
  inset: -4px;
  border-radius: 50%;
  background: var(--accent-gradient);
  animation: rotateRing 10s linear infinite;
}

.avatar-inner {
  position: relative;
  width: 100%;
  height: 100%;
  border-radius: 50%;
  background: var(--bg-subtle);
  border: 4px solid var(--bg-card);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.avatar-initials {
  font-family: var(--font-heading);
  font-size: 3.75rem;
  font-weight: 800;
  background: var(--accent-gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  user-select: none;
}

@keyframes rotateRing {
  to { transform: rotate(360deg); }
}

/* Profile Info */
.profile-body {
  padding: 0.5rem 1.75rem 1.75rem;
  text-align: center;
}

.profile-name {
  font-family: var(--font-heading);
  font-size: 1.85rem;
  font-weight: 800;
  letter-spacing: -0.025em;
  margin-bottom: 0.35rem;
  color: var(--text-primary);
}

.profile-role-box {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.92rem;
  color: var(--accent-cyan);
  font-weight: 600;
  font-family: var(--font-mono);
  margin-bottom: 1.25rem;
}

.typed-caret {
  display: inline-block;
  width: 2px;
  height: 1.1em;
  background: var(--accent-cyan);
  animation: blink 0.8s infinite;
}

@keyframes blink { 50% { opacity: 0; } }

/* Social Dock */
.profile-socials {
  display: flex;
  justify-content: center;
  gap: 0.65rem;
  margin-bottom: 1.5rem;
}

.social-icon-btn {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  background: var(--bg-glass);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
  text-decoration: none;
}

.social-icon-btn svg {
  width: 19px;
  height: 19px;
}

.social-icon-btn:hover {
  background: var(--accent-glow);
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
  transform: translateY(-3px);
  box-shadow: var(--shadow-glow);
}

/* Meta Info */
.profile-meta-list {
  background: var(--bg-glass);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1rem 1.15rem;
  text-align: left;
  margin-bottom: 1.5rem;
}

.meta-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.55rem 0;
  font-size: 0.86rem;
}

.meta-row:not(:last-child) {
  border-bottom: 1px solid var(--border-subtle);
}

.meta-label {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-muted);
  font-weight: 500;
}

.meta-label svg {
  width: 16px;
  height: 16px;
  color: var(--accent-cyan);
}

.meta-value {
  color: var(--text-primary);
  font-weight: 600;
  text-align: right;
}

.meta-value.highlight {
  color: var(--success);
}

/* Action Buttons */
.profile-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.8rem 1.25rem;
  font-size: 0.88rem;
  font-weight: 600;
  font-family: var(--font-sans);
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
  border: none;
  outline: none;
  white-space: nowrap;
}

.btn svg {
  width: 17px;
  height: 17px;
}

.btn-primary {
  background: var(--accent-gradient);
  color: #ffffff;
  box-shadow: 0 6px 22px rgba(0, 229, 255, 0.28);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 32px rgba(0, 229, 255, 0.45);
  color: #ffffff;
}

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

.btn-secondary:hover {
  background: var(--accent-glow);
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
  transform: translateY(-2px);
}

/* ==========================================================================
   RIGHT CONTENT AREA & TAB SYSTEM
   ========================================================================== */
.main-content {
  display: flex;
  flex-direction: column;
  gap: 2.25rem;
}

/* Floating Navigation Dock */
.nav-tab-bar {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  padding: 0.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.35rem;
  box-shadow: var(--shadow-card);
  position: sticky;
  top: 2rem;
  z-index: 50;
}

.tab-btn {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.7rem 0.95rem;
  border-radius: var(--radius-md);
  border: none;
  background: transparent;
  color: var(--text-muted);
  font-family: var(--font-heading);
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
}

.tab-btn svg {
  width: 17px;
  height: 17px;
  transition: transform 0.2s ease;
}

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

.tab-btn:hover svg {
  transform: scale(1.15);
}

.tab-btn.active {
  background: var(--accent-gradient);
  color: #ffffff;
  box-shadow: 0 4px 20px rgba(0, 229, 255, 0.32);
}

.tab-btn.active svg {
  color: #ffffff;
}

/* Content Panel Cards */
.content-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  backdrop-filter: blur(28px);
  -webkit-backdrop-filter: blur(28px);
  box-shadow: var(--shadow-card);
  padding: 2.85rem;
  position: relative;
  overflow: hidden;
  transition: var(--transition);
  scroll-margin-top: 6.5rem;
}

.content-card:hover {
  border-color: var(--border-accent);
}

/* Card Header */
.card-header {
  margin-bottom: 2.25rem;
  position: relative;
}

.card-title-group {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.card-icon-badge {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background: var(--accent-glow);
  border: 1px solid var(--border-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-cyan);
  flex-shrink: 0;
}

.card-icon-badge svg {
  width: 24px;
  height: 24px;
}

.card-title {
  font-family: var(--font-heading);
  font-size: 1.95rem;
  font-weight: 800;
  letter-spacing: -0.025em;
  color: var(--text-primary);
}

.card-subtitle {
  font-size: 0.95rem;
  color: var(--text-muted);
  margin-top: 0.2rem;
}

.card-divider {
  height: 1px;
  background: linear-gradient(to right, var(--accent-cyan), transparent);
  margin: 1.5rem 0 2rem;
  opacity: 0.4;
}

/* ==========================================================================
   ABOUT TAB
   ========================================================================== */
.about-lead {
  font-size: 1.08rem;
  line-height: 1.85;
  color: var(--text-primary);
  margin-bottom: 1.25rem;
}

.about-p {
  font-size: 0.96rem;
  line-height: 1.8;
  color: var(--text-secondary);
  margin-bottom: 2.25rem;
}

/* Stats Counter Grid */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.15rem;
  margin-bottom: 2.75rem;
}

.stat-box {
  background: var(--bg-glass);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 1.65rem 1.25rem;
  text-align: center;
  position: relative;
  overflow: hidden;
  transition: var(--transition);
}

.stat-box::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--accent-gradient);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.stat-box:hover {
  transform: translateY(-4px);
  border-color: var(--border-accent);
  background: var(--bg-glass-hover);
  box-shadow: var(--shadow-glow);
}

.stat-box:hover::before { opacity: 1; }

.stat-number {
  font-family: var(--font-heading);
  font-size: 2.4rem;
  font-weight: 800;
  background: var(--accent-gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  line-height: 1;
  margin-bottom: 0.45rem;
}

.stat-label {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

/* Clients Grid */
.clients-section-title {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 1.15rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-primary);
}

.clients-section-title svg {
  width: 20px;
  height: 20px;
  color: var(--accent-cyan);
}

.clients-bar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
}

.client-badge {
  background: var(--bg-glass);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1.15rem 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.65rem;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-secondary);
  transition: var(--transition);
}

.client-badge svg {
  width: 20px;
  height: 20px;
  color: var(--accent-cyan);
}

.client-badge:hover {
  border-color: var(--border-accent);
  color: var(--text-primary);
  background: var(--bg-glass-hover);
  transform: translateY(-2px);
}

/* ==========================================================================
   RESUME TAB
   ========================================================================== */
.resume-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.25rem;
  margin-bottom: 2.75rem;
}

.timeline-column-title {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin-bottom: 1.6rem;
  color: var(--text-primary);
}

.timeline-column-title svg {
  width: 20px;
  height: 20px;
  color: var(--accent-cyan);
}

.timeline-items {
  position: relative;
  padding-left: 1.6rem;
}

.timeline-items::before {
  content: '';
  position: absolute;
  left: 6px;
  top: 8px;
  bottom: 8px;
  width: 2px;
  background: var(--border-medium);
}

.timeline-item {
  position: relative;
  margin-bottom: 1.85rem;
}

.timeline-item:last-child { margin-bottom: 0; }

.timeline-dot {
  position: absolute;
  left: -1.6rem;
  top: 4px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--bg-card);
  border: 3px solid var(--accent-cyan);
  box-shadow: 0 0 12px var(--accent-cyan);
  transition: var(--transition);
}

.timeline-item:hover .timeline-dot {
  transform: scale(1.3);
  background: var(--accent-cyan);
}

.timeline-date {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  font-weight: 600;
  color: var(--accent-cyan);
  background: var(--bg-tag);
  padding: 0.22rem 0.65rem;
  border-radius: var(--radius-full);
  margin-bottom: 0.45rem;
}

.timeline-role {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-primary);
}

.timeline-company {
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
}

.timeline-desc {
  font-size: 0.86rem;
  color: var(--text-muted);
  line-height: 1.65;
}

/* Skills */
.skills-wrapper { margin-top: 1rem; }

.skills-subhead {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 1.35rem;
  display: flex;
  align-items: center;
  gap: 0.55rem;
  color: var(--text-primary);
}

.skills-subhead svg {
  width: 19px;
  height: 19px;
  color: var(--accent-cyan);
}

.skills-progress-list {
  display: flex;
  flex-direction: column;
  gap: 1.15rem;
  margin-bottom: 2.5rem;
}

.skill-row {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}

.skill-info {
  display: flex;
  justify-content: space-between;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-primary);
}

.skill-name-label {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.skill-name-label svg {
  width: 16px;
  height: 16px;
  color: var(--accent-cyan);
}

.skill-track {
  width: 100%;
  height: 9px;
  background: var(--bg-glass);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.skill-fill {
  height: 100%;
  border-radius: var(--radius-full);
  background: var(--accent-gradient);
  box-shadow: 0 0 10px var(--accent-glow);
  transition: width 1.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.tech-badges-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(135px, 1fr));
  gap: 0.85rem;
}

.tech-badge-card {
  background: var(--bg-glass);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 0.95rem 0.85rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.45rem;
  text-align: center;
  transition: var(--transition);
}

.tech-badge-card:hover {
  border-color: var(--border-accent);
  background: var(--bg-glass-hover);
  transform: translateY(-3px);
  box-shadow: var(--shadow-glow);
}

.tech-badge-card svg {
  width: 26px;
  height: 26px;
  color: var(--accent-cyan);
}

.tech-badge-card span {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-primary);
}

/* ==========================================================================
   WORKS TAB
   ========================================================================== */
.portfolio-filter-row {
  display: flex;
  gap: 0.55rem;
  flex-wrap: wrap;
  margin-bottom: 2.25rem;
}

.p-filter-btn {
  padding: 0.55rem 1.25rem;
  border-radius: var(--radius-full);
  border: 1px solid var(--border-subtle);
  background: var(--bg-glass);
  color: var(--text-secondary);
  font-family: var(--font-heading);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
}

.p-filter-btn:hover,
.p-filter-btn.active {
  background: var(--bg-tag);
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
}

.p-filter-btn.active {
  box-shadow: var(--shadow-glow);
}

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.65rem;
}

.project-card {
  background: var(--bg-glass);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition);
  position: relative;
}

.project-card:hover {
  transform: translateY(-6px);
  border-color: var(--border-accent);
  box-shadow: var(--shadow-elevated);
}

.project-thumb {
  position: relative;
  height: 210px;
  overflow: hidden;
  background: #0b0f19;
}

.project-thumb-bg {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.6s ease;
}

.project-thumb-bg svg {
  width: 60px;
  height: 60px;
  color: rgba(255, 255, 255, 0.25);
  stroke-width: 1;
}

.project-card:hover .project-thumb-bg {
  transform: scale(1.08);
}

.project-overlay {
  position: absolute;
  inset: 0;
  background: rgba(7, 9, 14, 0.82);
  backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.85rem;
  opacity: 0;
  transition: opacity 0.3s ease;
}

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

.project-action-btn {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--accent-gradient);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  border: none;
  cursor: pointer;
  transition: transform 0.2s ease;
  text-decoration: none;
}

.project-action-btn:hover { transform: scale(1.15); }
.project-action-btn svg { width: 19px; height: 19px; }

.project-info { padding: 1.35rem 1.6rem; }

.project-category {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  font-weight: 600;
  color: var(--accent-cyan);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 0.35rem;
}

.project-title {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.45rem;
}

.project-desc {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-bottom: 0.95rem;
  line-height: 1.55;
}

.project-tags {
  display: flex;
  gap: 0.45rem;
  flex-wrap: wrap;
}

.project-tag {
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--text-primary);
  background: var(--bg-glass-hover);
  border: 1px solid var(--border-subtle);
  padding: 0.22rem 0.65rem;
  border-radius: var(--radius-full);
}

/* ==========================================================================
   SERVICES TAB
   ========================================================================== */
.services-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.35rem;
}

.service-card {
  background: var(--bg-glass);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 1.85rem;
  position: relative;
  overflow: hidden;
  transition: var(--transition);
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--accent-gradient);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s ease;
}

.service-card:hover {
  transform: translateY(-5px);
  border-color: var(--border-accent);
  background: var(--bg-card-hover);
  box-shadow: var(--shadow-elevated);
}

.service-card:hover::before { transform: scaleX(1); }

.service-icon-box {
  width: 54px;
  height: 54px;
  border-radius: var(--radius-md);
  background: var(--accent-glow);
  border: 1px solid var(--border-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-cyan);
  margin-bottom: 1.35rem;
  transition: var(--transition);
}

.service-icon-box svg {
  width: 26px;
  height: 26px;
}

.service-card:hover .service-icon-box {
  background: var(--accent-gradient);
  color: #ffffff;
  transform: scale(1.08);
}

.service-title {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 0.65rem;
  color: var(--text-primary);
}

.service-desc {
  font-size: 0.89rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 1.15rem;
}

.service-features-list {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}

.service-feature {
  font-size: 0.82rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.service-feature svg {
  width: 15px;
  height: 15px;
  color: var(--success);
}

/* ==========================================================================
   TESTIMONIALS TAB
   ========================================================================== */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.35rem;
}

.review-card {
  background: var(--bg-glass);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 1.85rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: var(--transition);
}

.review-card:hover {
  border-color: var(--border-accent);
  background: var(--bg-card-hover);
  transform: translateY(-4px);
  box-shadow: var(--shadow-elevated);
}

.review-stars {
  display: flex;
  gap: 4px;
  margin-bottom: 1.15rem;
}

.review-stars svg {
  width: 17px;
  height: 17px;
  color: var(--warning);
  fill: var(--warning);
}

.review-text {
  font-size: 0.94rem;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 1.65rem;
  font-style: italic;
}

.review-author-wrap {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  padding-top: 1.15rem;
  border-top: 1px solid var(--border-subtle);
}

.review-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--accent-glow);
  border: 1px solid var(--border-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--accent-cyan);
}

.review-author-name {
  font-family: var(--font-heading);
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-primary);
}

.review-author-role {
  font-size: 0.78rem;
  color: var(--text-muted);
}

/* ==========================================================================
   CONTACT TAB
   ========================================================================== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.35fr;
  gap: 2.25rem;
}

.contact-info-panel {
  display: flex;
  flex-direction: column;
  gap: 1.15rem;
}

.contact-info-card {
  background: var(--bg-glass);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1.35rem;
  display: flex;
  align-items: center;
  gap: 1.1rem;
  transition: var(--transition);
}

.contact-info-card:hover {
  border-color: var(--border-accent);
  background: var(--bg-glass-hover);
  transform: translateY(-2px);
}

.contact-card-icon {
  width: 46px;
  height: 46px;
  border-radius: var(--radius-sm);
  background: var(--accent-glow);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-cyan);
  flex-shrink: 0;
}

.contact-card-icon svg {
  width: 22px;
  height: 22px;
}

.contact-card-title {
  font-size: 0.76rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 600;
}

.contact-card-value {
  font-size: 0.94rem;
  font-weight: 600;
  color: var(--text-primary);
}

.working-hours-card {
  background: var(--bg-glass);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1.35rem;
}

.working-hours-title {
  font-size: 0.88rem;
  font-weight: 700;
  margin-bottom: 0.55rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-primary);
}

.working-hours-title svg {
  width: 17px;
  height: 17px;
  color: var(--accent-cyan);
}

.working-hours-p {
  font-size: 0.84rem;
  color: var(--text-secondary);
  line-height: 1.65;
}

/* Contact Form */
.contact-form-wrap {
  background: var(--bg-glass);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 1.85rem;
}

.form-grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.form-group { margin-bottom: 1.1rem; }
.form-group.full { grid-column: 1 / -1; }

.form-label {
  display: block;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 0.45rem;
}

.form-control {
  width: 100%;
  padding: 0.85rem 1.1rem;
  background: var(--bg-input);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 0.9rem;
  outline: none;
  transition: var(--transition);
}

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

.form-control::placeholder { color: var(--text-dim); }

textarea.form-control {
  min-height: 125px;
  resize: vertical;
}

select.form-control {
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%238b92a5' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  padding-right: 2.5rem;
}

select.form-control option {
  background: var(--bg-card-solid);
  color: var(--text-primary);
}

.btn-send {
  width: 100%;
  padding: 0.95rem;
  font-size: 0.98rem;
  justify-content: center;
  position: relative;
}

.btn-send .btn-spinner {
  display: none;
  width: 20px;
  height: 20px;
  border: 2px solid rgba(255,255,255,0.3);
  border-top-color: #ffffff;
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}

.btn-send.loading .btn-text { display: none; }
.btn-send.loading .btn-spinner { display: block; }

@keyframes spin { to { transform: rotate(360deg); } }

.form-feedback {
  margin-top: 1rem;
  padding: 0.9rem 1.1rem;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 500;
  display: none;
  align-items: center;
  gap: 0.55rem;
}

.form-feedback svg {
  width: 19px;
  height: 19px;
  flex-shrink: 0;
}

.form-feedback.success {
  display: flex;
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid rgba(16, 185, 129, 0.3);
  color: var(--success);
}

.form-feedback.error {
  display: flex;
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid rgba(239, 68, 68, 0.3);
  color: var(--danger);
}

/* ==========================================================================
   MODAL POPUP
   ========================================================================== */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.85);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
}

.modal-overlay.active {
  opacity: 1;
  visibility: visible;
}

.modal-box {
  background: var(--bg-card-solid);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-xl);
  max-width: 650px;
  width: 100%;
  padding: 2.35rem;
  position: relative;
  box-shadow: var(--shadow-elevated);
  transform: scale(0.95);
  transition: var(--transition);
}

.modal-overlay.active .modal-box { transform: scale(1); }

.modal-close-btn {
  position: absolute;
  top: 1.25rem;
  right: 1.25rem;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--bg-glass);
  border: 1px solid var(--border-subtle);
  color: var(--text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition);
}

.modal-close-btn:hover {
  background: var(--accent-glow);
  color: var(--accent-cyan);
  transform: rotate(90deg);
}

.modal-close-btn svg { width: 18px; height: 18px; }

/* Footer */
.app-footer {
  text-align: center;
  padding: 2.25rem 0;
  font-size: 0.86rem;
  color: var(--text-muted);
  border-top: 1px solid var(--border-subtle);
  margin-top: 1.5rem;
}

.app-footer a {
  color: var(--accent-cyan);
  text-decoration: none;
  font-weight: 600;
}

/* ==========================================================================
   RESPONSIVENESS
   ========================================================================== */
@media (max-width: 1120px) {
  .app-container {
    grid-template-columns: 1fr;
    max-width: 820px;
  }
  .profile-card { position: relative; top: 0; }
  .nav-tab-bar { top: 1rem; }
}

@media (max-width: 768px) {
  .app-container { padding: 1.5rem 1rem 3.5rem; gap: 1.5rem; }
  .top-controls { top: 1rem; right: 1rem; }
  .content-card { padding: 1.85rem 1.25rem; }
  .nav-tab-bar { overflow-x: auto; justify-content: flex-start; padding: 0.45rem; }
  .tab-btn { flex: 0 0 auto; padding: 0.65rem 0.9rem; font-size: 0.85rem; }
  .stats-grid { grid-template-columns: 1fr; }
  .clients-bar { grid-template-columns: repeat(2, 1fr); }
  .resume-split { grid-template-columns: 1fr; gap: 2rem; }
  .services-grid { grid-template-columns: 1fr; }
  .portfolio-grid { grid-template-columns: 1fr; }
  .testimonials-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .form-grid-2 { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
  .profile-actions { grid-template-columns: 1fr; }
  .card-title { font-size: 1.6rem; }
  .tech-badges-grid { grid-template-columns: repeat(2, 1fr); }
}