/* ============================================================
   11 INSTA — CORE DESIGN SYSTEM & STYLESHEET
   Aesthetic: Premium International Web2, Web3, Blockchain & AI Agency
   ============================================================ */

:root {
  /* Dark Tech Color Palette */
  --bg-main: #06080e;
  --bg-surface: #0b0f19;
  --bg-surface-elevated: #111726;
  --bg-surface-glass: rgba(14, 20, 33, 0.7);
  --bg-card: rgba(17, 24, 39, 0.65);
  --bg-card-hover: rgba(26, 36, 58, 0.85);

  /* Brand Accents & Gradients */
  --primary: #3b82f6;
  --primary-hover: #2563eb;
  --accent-purple: #8b5cf6;
  --accent-violet: #7c3aed;
  --accent-cyan: #06b6d4;
  --accent-glow: #00f2fe;

  --grad-primary: linear-gradient(135deg, #3b82f6 0%, #8b5cf6 50%, #06b6d4 100%);
  --grad-accent: linear-gradient(135deg, #8b5cf6 0%, #00f2fe 100%);
  --grad-text: linear-gradient(135deg, #ffffff 30%, #93c5fd 70%, #06b6d4 100%);
  --grad-border: linear-gradient(135deg, rgba(59, 130, 246, 0.5), rgba(139, 92, 246, 0.5), rgba(6, 182, 212, 0.2));

  /* Typography & Colors */
  --text-main: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-hover: rgba(59, 130, 246, 0.4);

  /* Elevation & Glows */
  --shadow-sm: 0 4px 12px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 12px 32px rgba(0, 0, 0, 0.45);
  --shadow-lg: 0 20px 50px rgba(0, 0, 0, 0.6);
  --glow-blue: 0 0 35px rgba(59, 130, 246, 0.3);
  --glow-cyan: 0 0 30px rgba(6, 182, 212, 0.3);
  --glow-purple: 0 0 35px rgba(139, 92, 246, 0.3);

  /* Layout & Radii */
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --radius-full: 9999px;
  --max-width: 1280px;
  --header-height: 80px;

  /* Transitions */
  --transition-fast: 0.15s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-smooth: 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
  font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background-color: var(--bg-main);
  color: var(--text-main);
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  min-height: 100vh;
  overflow-x: hidden;
  line-height: 1.6;
  background-color: var(--bg-main);
  background-image: 
    radial-gradient(circle at 15% 10%, rgba(59, 130, 246, 0.08) 0%, transparent 40%),
    radial-gradient(circle at 85% 25%, rgba(139, 92, 246, 0.08) 0%, transparent 45%),
    radial-gradient(circle at 50% 70%, rgba(6, 182, 212, 0.05) 0%, transparent 50%);
  background-attachment: fixed;
}

/* Background Grid Pattern */
.bg-grid-overlay {
  position: fixed;
  inset: 0;
  background-size: 60px 60px;
  background-image: 
    linear-gradient(to right, rgba(255, 255, 255, 0.02) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
  pointer-events: none;
  z-index: 0;
}

/* Typography Helpers */
h1, h2, h3, h4, h5, h6 {
  color: var(--text-main);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

h1 { font-size: clamp(2.5rem, 5vw, 4rem); font-weight: 800; }
h2 { font-size: clamp(2rem, 3.5vw, 2.75rem); }
h3 { font-size: clamp(1.35rem, 2vw, 1.75rem); }
h4 { font-size: 1.25rem; }

p {
  color: var(--text-secondary);
  font-size: 1.05rem;
  line-height: 1.7;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-base);
}

img, svg {
  display: block;
  max-width: 100%;
}

.text-gradient {
  background: var(--grad-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-block;
}

.text-gradient-purple {
  background: var(--grad-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-block;
}

.font-mono {
  font-family: 'JetBrains Mono', monospace;
}

/* Container */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
  position: relative;
  z-index: 1;
}

.container-narrow {
  max-width: 900px;
}

/* Section Spacing */
.section {
  padding: 6rem 0;
  position: relative;
  z-index: 1;
}

.section-hero {
  padding: 8.5rem 0 5rem 0;
  min-height: 90vh;
  display: flex;
  align-items: center;
}

.section-header {
  text-align: center;
  max-width: 760px;
  margin: 0 auto 3.5rem auto;
}

.section-header.text-left {
  text-align: left;
  margin-left: 0;
}

.section-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  background: rgba(59, 130, 246, 0.1);
  border: 1px solid rgba(59, 130, 246, 0.25);
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent-cyan);
  margin-bottom: 1.25rem;
  box-shadow: 0 0 20px rgba(6, 182, 212, 0.15);
}

.section-badge-dot {
  width: 7px;
  height: 7px;
  background: var(--accent-cyan);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--accent-cyan);
  animation: pulse-dot 2s infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.8); }
}

.section-title {
  margin-bottom: 1rem;
}

.section-description {
  font-size: 1.15rem;
  color: var(--text-secondary);
}

/* ============================================================
   GLOBAL NAVBAR
   ============================================================ */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  z-index: 1000;
  transition: all var(--transition-base);
  background: transparent;
}

.navbar.scrolled {
  background: rgba(7, 9, 14, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-subtle);
  box-shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.5);
  height: 72px;
}

.navbar-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.brand-logo-img {
  height: 64px; /* noticeably larger */
  width: auto;
  border-radius: 8px;
  filter: drop-shadow(0 3px 6px rgba(0,0,0,0.35));
  transition: transform 0.3s ease, filter 0.3s ease, box-shadow 0.3s ease;
  /* subtle circular background to make it stand out */
  background: var(--surface);
  padding: 4px;
  box-shadow: 0 0 8px rgba(255,255,255,0.12);
}
.brand-logo-img:hover {
  transform: scale(1.08);
  filter: drop-shadow(0 5px 10px rgba(0,0,0,0.45));
  box-shadow: 0 0 16px rgba(255,255,255,0.2);
}
.brand-name {
  font-size: 1.1rem; /* slightly larger for balance */
  font-weight: 800;
  /* keep gradient text for premium feel */
  background: linear-gradient(45deg, var(--primary), #8b5cf6);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-left: 8px;
  white-space: nowrap;
  text-transform: capitalize;
  font-family: 'Plus Jakarta Sans', sans-serif;
  letter-spacing: 0.6px;
  transition: opacity 0.2s ease, transform 0.2s ease;
}
.brand-name:hover {
  opacity: 0.95;
  transform: translateY(-1px);
}

.navbar-nav {
  display: flex;
  align-items: center;
  gap: 2rem;
  list-style: none;
}

.nav-link {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-secondary);
  position: relative;
  padding: 6px 0;
  transition: color var(--transition-fast);
}

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

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0%;
  height: 2px;
  background: var(--grad-primary);
  border-radius: 2px;
  transition: width var(--transition-base);
}

.nav-link:hover::after, .nav-link.active::after {
  width: 100%;
}

.navbar-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

/* Mobile Toggle */
.mobile-toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--border-subtle);
  color: var(--text-main);
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 1.3rem;
  transition: all var(--transition-fast);
}

.mobile-toggle:hover {
  background: rgba(255, 255, 255, 0.05);
  border-color: var(--primary);
}

/* Mobile Drawer */
.mobile-menu {
  position: fixed;
  top: 0;
  right: -100%;
  width: 320px;
  max-width: 85vw;
  height: 100vh;
  background: var(--bg-surface-elevated);
  border-left: 1px solid var(--border-subtle);
  padding: 2rem 1.5rem;
  z-index: 1001;
  display: flex;
  flex-direction: column;
  transition: right 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  box-shadow: -15px 0 40px rgba(0, 0, 0, 0.7);
}

.mobile-menu.open {
  right: 0;
}

.mobile-menu-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 2.5rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border-subtle);
}

.mobile-menu-close {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-subtle);
  color: var(--text-main);
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  cursor: pointer;
}

.mobile-nav-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.mobile-nav-link {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-secondary);
  display: block;
}

.mobile-nav-link:hover, .mobile-nav-link.active {
  color: var(--accent-cyan);
}

.menu-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.65);
  backdrop-filter: blur(4px);
  z-index: 1000;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-base);
}

.menu-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

/* ============================================================
   BUTTONS & CTAS
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 12px 24px;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  text-decoration: none;
  cursor: pointer;
  transition: all var(--transition-base);
  border: none;
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: var(--grad-primary);
  color: #ffffff;
  box-shadow: 0 4px 20px rgba(59, 130, 246, 0.35);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(59, 130, 246, 0.55), 0 0 15px rgba(6, 182, 212, 0.4);
}

.btn-outline {
  background: rgba(255, 255, 255, 0.03);
  color: var(--text-main);
  border: 1px solid var(--border-subtle);
  backdrop-filter: blur(8px);
}

.btn-outline:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.25);
  transform: translateY(-2px);
}

.btn-glow {
  box-shadow: 0 0 25px rgba(139, 92, 246, 0.4);
}

.btn-lg {
  padding: 15px 32px;
  font-size: 1.05rem;
  border-radius: var(--radius-md);
}

.btn-sm {
  padding: 8px 16px;
  font-size: 0.85rem;
}

.btn-block {
  width: 100%;
}

/* ============================================================
   HERO SECTION
   ============================================================ */
.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 3.5rem;
  align-items: center;
}

.hero-content {
  max-width: 680px;
}

.hero-heading {
  margin-bottom: 1.5rem;
  letter-spacing: -0.03em;
}

.hero-description {
  font-size: 1.2rem;
  line-height: 1.75;
  color: var(--text-secondary);
  margin-bottom: 2.5rem;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  flex-wrap: wrap;
}

/* Futuristic Hero Visual */
.hero-visual-wrapper {
  position: relative;
  width: 100%;
  height: 480px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 1;
}

.hero-floating-card {
  position: absolute;
  background: var(--bg-surface-glass);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  box-shadow: var(--shadow-lg);
  z-index: 2;
  animation: float 6s ease-in-out infinite;
}

.card-top-right {
  top: 15%;
  right: -5%;
  animation-delay: 0s;
}

.card-bottom-left {
  bottom: 12%;
  left: -5%;
  animation-delay: -3s;
}

.card-center-glow {
  width: 220px;
  height: 220px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(59, 130, 246, 0.25), rgba(139, 92, 246, 0.15), transparent 70%);
  filter: blur(30px);
  position: absolute;
  z-index: 0;
}

@keyframes float {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  50% { transform: translateY(-12px) rotate(1deg); }
}

.hero-stat-box {
  display: flex;
  align-items: center;
  gap: 12px;
}

.stat-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  background: rgba(59, 130, 246, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-cyan);
  font-size: 1.25rem;
}

.stat-title {
  font-size: 0.8rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.stat-value {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-main);
}

/* ============================================================
   GLASSMORPHISM CARDS
   ============================================================ */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 2.25rem;
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.card::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.1), transparent 60%);
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
}

.card:hover {
  transform: translateY(-6px);
  border-color: var(--border-hover);
  background: var(--bg-card-hover);
  box-shadow: var(--shadow-lg), 0 0 30px rgba(59, 130, 246, 0.15);
}

.card-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.15), rgba(139, 92, 246, 0.15));
  border: 1px solid rgba(59, 130, 246, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: var(--accent-cyan);
  margin-bottom: 1.5rem;
  transition: transform var(--transition-base);
}

.card:hover .card-icon {
  transform: scale(1.08) rotate(3deg);
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.3), rgba(139, 92, 246, 0.3));
}

.card-title {
  font-size: 1.35rem;
  margin-bottom: 0.85rem;
}

.card-text {
  color: var(--text-secondary);
  font-size: 0.98rem;
  line-height: 1.65;
  margin-bottom: 1.5rem;
}

/* Feature checklist in cards */
.card-features {
  list-style: none;
  margin-bottom: 1.75rem;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.card-features li {
  font-size: 0.9rem;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 10px;
}

.card-features li::before {
  content: '✦';
  color: var(--accent-cyan);
  font-size: 0.75rem;
}

.card-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--primary);
  transition: gap var(--transition-fast);
}

.card-link:hover {
  color: var(--accent-cyan);
  gap: 10px;
}

/* ============================================================
   GRID SYSTEMS
   ============================================================ */
.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.75rem;
}

/* ============================================================
   TURNING IDEAS INTO DIGITAL PRODUCTS (5-STAGE FLOW)
   ============================================================ */
.concept-flow {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 3.5rem;
  background: var(--bg-surface-glass);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: 2.5rem 2rem;
  backdrop-filter: blur(12px);
  position: relative;
  overflow: hidden;
}

.concept-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  flex: 1;
  position: relative;
  z-index: 2;
}

.concept-step-badge {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: var(--bg-surface-elevated);
  border: 2px solid var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 1rem;
  color: #fff;
  margin-bottom: 0.85rem;
  box-shadow: var(--glow-blue);
  transition: all var(--transition-base);
}

.concept-step:hover .concept-step-badge {
  transform: scale(1.15);
  background: var(--grad-primary);
  border-color: transparent;
}

.concept-step-label {
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--text-main);
  margin-bottom: 0.25rem;
}

.concept-arrow {
  color: var(--text-muted);
  font-size: 1.25rem;
  margin: 0 0.5rem;
  opacity: 0.6;
}

/* ============================================================
   DEVELOPMENT PROCESS (ANIMATED TIMELINE 01 - 07)
   ============================================================ */
.process-timeline {
  display: flex;
  flex-direction: column;
  gap: 2rem;
  position: relative;
  max-width: 960px;
  margin: 0 auto;
}

.process-timeline::before {
  content: '';
  position: absolute;
  left: 36px;
  top: 20px;
  bottom: 20px;
  width: 2px;
  background: linear-gradient(to bottom, #3b82f6, #8b5cf6, #06b6d4, transparent);
  opacity: 0.4;
}

.timeline-item {
  display: flex;
  align-items: flex-start;
  gap: 2rem;
  position: relative;
  transition: transform var(--transition-base);
}

.timeline-number {
  width: 72px;
  height: 72px;
  flex-shrink: 0;
  border-radius: var(--radius-md);
  background: var(--bg-surface-elevated);
  border: 1px solid rgba(59, 130, 246, 0.35);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--accent-cyan);
  box-shadow: 0 0 20px rgba(59, 130, 246, 0.2);
  z-index: 2;
  transition: all var(--transition-base);
}

.timeline-item:hover .timeline-number {
  transform: scale(1.08);
  background: var(--grad-primary);
  color: #fff;
  border-color: transparent;
  box-shadow: var(--glow-blue);
}

.timeline-content {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 1.75rem 2rem;
  flex: 1;
  backdrop-filter: blur(10px);
  transition: all var(--transition-base);
}

.timeline-item:hover .timeline-content {
  border-color: var(--border-hover);
  background: var(--bg-card-hover);
  transform: translateX(6px);
}

.timeline-title {
  font-size: 1.25rem;
  margin-bottom: 0.5rem;
}

/* ============================================================
   TECHNOLOGY MATRICES / GRIDS
   ============================================================ */
.tech-category-box {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  backdrop-filter: blur(10px);
}

.tech-category-title {
  font-size: 1.1rem;
  color: var(--accent-cyan);
  margin-bottom: 1.25rem;
  display: flex;
  align-items: center;
  gap: 8px;
}

.tech-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.tech-tag {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-subtle);
  padding: 6px 14px;
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: all var(--transition-fast);
}

.tech-tag:hover {
  background: rgba(59, 130, 246, 0.15);
  border-color: var(--primary);
  color: #ffffff;
  transform: translateY(-2px);
}

/* ============================================================
   PORTFOLIO SECTION & CARDS
   ============================================================ */
.portfolio-filters {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-bottom: 3.5rem;
}

.filter-btn {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  padding: 8px 20px;
  border-radius: var(--radius-full);
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.filter-btn:hover, .filter-btn.active {
  background: var(--grad-primary);
  border-color: transparent;
  color: #ffffff;
  box-shadow: 0 4px 15px rgba(59, 130, 246, 0.35);
}

.portfolio-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: all var(--transition-base);
  backdrop-filter: blur(12px);
}

.portfolio-card:hover {
  transform: translateY(-8px);
  border-color: var(--border-hover);
  box-shadow: var(--shadow-lg), 0 0 35px rgba(59, 130, 246, 0.2);
}

.portfolio-image-wrapper {
  position: relative;
  width: 100%;
  height: 220px;
  background: var(--bg-surface-elevated);
  overflow: hidden;
}

.portfolio-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.portfolio-card:hover .portfolio-image {
  transform: scale(1.06);
}

.portfolio-badge {
  position: absolute;
  top: 14px;
  left: 14px;
  padding: 4px 12px;
  background: rgba(7, 9, 14, 0.8);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--accent-cyan);
  backdrop-filter: blur(8px);
}

.portfolio-body {
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.portfolio-title {
  font-size: 1.25rem;
  margin-bottom: 0.75rem;
}

.portfolio-desc {
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 1.25rem;
  flex: 1;
}

.portfolio-tech-list {
  font-size: 0.8rem;
  color: var(--accent-purple);
  margin-bottom: 1.5rem;
  font-family: 'JetBrains Mono', monospace;
}

/* ============================================================
   FAQ ACCORDION
   ============================================================ */
.faq-container {
  max-width: 860px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: all var(--transition-base);
}

.faq-item.active {
  border-color: rgba(59, 130, 246, 0.4);
  background: var(--bg-card-hover);
}

.faq-question {
  width: 100%;
  text-align: left;
  padding: 1.5rem 1.75rem;
  background: transparent;
  border: none;
  color: var(--text-main);
  font-size: 1.1rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  gap: 1rem;
}

.faq-icon {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.05);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  color: var(--accent-cyan);
  transition: transform var(--transition-base);
  flex-shrink: 0;
}

.faq-item.active .faq-icon {
  transform: rotate(45deg);
  background: var(--grad-primary);
  color: #fff;
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s cubic-bezier(0, 1, 0, 1);
  padding: 0 1.75rem;
}

.faq-item.active .faq-answer {
  max-height: 500px;
  transition: max-height 0.35s ease-in-out;
  padding-bottom: 1.5rem;
}

.faq-answer p {
  font-size: 0.98rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* ============================================================
   FORMS & INPUTS
   ============================================================ */
.contact-layout {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 3.5rem;
}

.contact-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: 2.5rem;
  backdrop-filter: blur(14px);
  box-shadow: var(--shadow-lg);
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}

.form-label {
  display: block;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 0.5rem;
}

.form-label .required {
  color: #ef4444;
}

.form-control {
  width: 100%;
  padding: 12px 16px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  color: var(--text-main);
  font-family: inherit;
  font-size: 0.95rem;
  transition: all var(--transition-fast);
}

.form-control:focus {
  outline: none;
  border-color: var(--primary);
  background: rgba(255, 255, 255, 0.06);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.25);
}

textarea.form-control {
  min-height: 130px;
  resize: vertical;
}

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

/* Contact Info Sidebar */
.contact-info-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  margin: 2rem 0;
}

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

.contact-info-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background: rgba(59, 130, 246, 0.1);
  border: 1px solid rgba(59, 130, 246, 0.25);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-cyan);
  font-size: 1.25rem;
  flex-shrink: 0;
}

.contact-info-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.2rem;
}

.contact-info-val {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text-main);
}

/* ============================================================
   GLOBAL FOOTER
   ============================================================ */
.footer {
  background: #040609;
  border-top: 1px solid var(--border-subtle);
  padding: 5rem 0 2rem 0;
  position: relative;
  z-index: 10;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 4rem;
}

.footer-brand-p {
  margin: 1rem 0 1.75rem 0;
  font-size: 0.95rem;
  max-width: 320px;
}

.footer-social-links {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.footer-social-icon {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  font-size: 0.95rem;
  transition: all var(--transition-fast);
}

.footer-social-icon:hover {
  background: var(--primary);
  border-color: var(--primary);
  color: #ffffff;
  transform: translateY(-2px);
}

.footer-title {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 1.25rem;
  color: var(--text-main);
  letter-spacing: 0.02em;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-links a {
  font-size: 0.92rem;
  color: var(--text-secondary);
  transition: color var(--transition-fast);
}

.footer-links a:hover {
  color: var(--accent-cyan);
}

.footer-bottom {
  border-top: 1px solid var(--border-subtle);
  padding-top: 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.88rem;
  color: var(--text-muted);
}

/* ============================================================
   ALERT BANNERS & NOTIFICATIONS
   ============================================================ */
.alert {
  padding: 1rem 1.25rem;
  border-radius: var(--radius-md);
  margin-bottom: 1.5rem;
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.95rem;
  position: relative;
}

.alert-icon {
  font-weight: bold;
  font-size: 1.1rem;
}

.alert-text {
  flex: 1;
}

.alert-close {
  background: transparent;
  border: none;
  color: inherit;
  font-size: 1.2rem;
  cursor: pointer;
  opacity: 0.7;
}

.alert-close:hover {
  opacity: 1;
}

.alert-success {
  background: rgba(16, 185, 129, 0.15);
  border: 1px solid rgba(16, 185, 129, 0.35);
  color: #34d399;
}

.alert-danger {
  background: rgba(239, 68, 68, 0.15);
  border: 1px solid rgba(239, 68, 68, 0.35);
  color: #f87171;
}

.alert-warning {
  background: rgba(245, 158, 11, 0.15);
  border: 1px solid rgba(245, 158, 11, 0.35);
  color: #fbbf24;
}

.alert-info {
  background: rgba(59, 130, 246, 0.15);
  border: 1px solid rgba(59, 130, 246, 0.35);
  color: #60a5fa;
}

/* ============================================================
   MICRO-ANIMATIONS & UTILITIES
   ============================================================ */
.fade-in {
  animation: fadeIn 0.4s ease-in-out forwards;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

.glow-box {
  position: relative;
}

.glow-box::after {
  content: '';
  position: absolute;
  inset: -1px;
  background: var(--grad-border);
  border-radius: inherit;
  z-index: -1;
  opacity: 0.5;
  transition: opacity var(--transition-base);
}

.glow-box:hover::after {
  opacity: 1;
}

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