/* ============================================
   HAMMERSPACE.IN — Design System & Styles
   Dark Glassmorphism Portfolio Landing Page
   ============================================ */

/* ---- Google Fonts ---- */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&display=swap');

/* ---- CSS Custom Properties ---- */
:root {
  /* Colors */
  --bg-primary: #09090b;
  --bg-secondary: #0a0a0c;
  --bg-card: rgba(24, 24, 27, 0.5);
  --bg-card-hover: rgba(39, 39, 42, 0.4);
  --bg-nav: rgba(9, 9, 11, 0.8);
  --border: rgba(39, 39, 42, 0.6);
  --border-light: rgba(63, 63, 70, 0.4);

  --text-primary: #fafafa;
  --text-secondary: #d4d4d8;
  --text-muted: #a1a1aa;
  --text-dim: #71717a;

  --accent: #6366f1;
  --accent-light: #818cf8;
  --accent-dark: #4f46e5;
  --accent-glow: rgba(99, 102, 241, 0.15);
  --accent-glow-strong: rgba(99, 102, 241, 0.3);

  --gradient-start: #6366f1;
  --gradient-mid: #8b5cf6;
  --gradient-end: #a78bfa;

  --success: #22c55e;
  --warning: #f59e0b;

  /* Typography */
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  /* Spacing */
  --section-padding: 120px 0;
  --container-width: 1200px;
  --container-padding: 0 24px;

  /* Radius */
  --radius-sm: 0.5rem;
  --radius-md: 0.75rem;
  --radius-lg: 1rem;
  --radius-xl: 1.5rem;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-card: 0 4px 6px -1px rgba(0, 0, 0, 0.3), 0 2px 4px -2px rgba(0, 0, 0, 0.2);
  --shadow-card-hover: 0 20px 60px -12px rgba(99, 102, 241, 0.15), 0 8px 24px -8px rgba(0, 0, 0, 0.4);
  --shadow-glow: 0 0 40px rgba(99, 102, 241, 0.15);

  /* Transitions */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 300ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 500ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-spring: 600ms cubic-bezier(0.34, 1.56, 0.64, 1);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-family);
  font-feature-settings: "rlig" 1, "calt" 1;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
}

/* ---- Custom Scrollbar ---- */
::-webkit-scrollbar {
  width: 8px;
}
::-webkit-scrollbar-track {
  background: var(--bg-primary);
}
::-webkit-scrollbar-thumb {
  background: #27272a;
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: #3f3f46;
}

/* ---- Container ---- */
.container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: var(--container-padding);
}

/* ---- Section base ---- */
section {
  padding: var(--section-padding);
  position: relative;
}

/* ---- Utility ---- */
.glass {
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
}

.glass-hover:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-light);
  box-shadow: var(--shadow-card-hover);
}

.gradient-text {
  background: linear-gradient(135deg, var(--gradient-start), var(--gradient-mid), var(--gradient-end));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8125rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent-light);
  margin-bottom: 16px;
}

.section-label::before {
  content: '';
  display: block;
  width: 24px;
  height: 2px;
  background: var(--accent);
  border-radius: 1px;
}

.section-title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 16px;
  letter-spacing: -0.02em;
}

.section-subtitle {
  font-size: 1.125rem;
  color: var(--text-muted);
  max-width: 600px;
  line-height: 1.7;
}

/* ---- Scroll Animations ---- */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-left {
  opacity: 0;
  transform: translateX(-60px);
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal-left.visible {
  opacity: 1;
  transform: translateX(0);
}

.reveal-right {
  opacity: 0;
  transform: translateX(60px);
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal-right.visible {
  opacity: 1;
  transform: translateX(0);
}

.reveal-scale {
  opacity: 0;
  transform: scale(0.9);
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal-scale.visible {
  opacity: 1;
  transform: scale(1);
}

/* stagger children */
.stagger-children > * {
  transition-delay: calc(var(--i, 0) * 100ms);
}

/* ============================================
   NAVIGATION
   ============================================ */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 16px 0;
  transition: all var(--transition-base);
}

.navbar.scrolled {
  background: var(--bg-nav);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  padding: 12px 0;
}

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

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--text-primary);
  font-size: 1.375rem;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.nav-logo-icon {
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, var(--accent), var(--gradient-mid));
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.125rem;
  transition: transform var(--transition-base);
}

.nav-logo:hover .nav-logo-icon {
  transform: rotate(-12deg) scale(1.05);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}

.nav-links a {
  text-decoration: none;
  color: var(--text-muted);
  font-size: 0.875rem;
  font-weight: 500;
  transition: color var(--transition-fast);
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent);
  border-radius: 1px;
  transition: width var(--transition-base);
}

.nav-links a:hover {
  color: var(--text-primary);
}

.nav-links a:hover::after {
  width: 100%;
}

.nav-cta {
  padding: 8px 20px;
  background: var(--accent);
  color: var(--text-primary) !important;
  border-radius: var(--radius-full);
  font-weight: 600 !important;
  font-size: 0.875rem;
  transition: all var(--transition-base) !important;
  border: 1px solid transparent;
}

.nav-cta::after {
  display: none !important;
}

.nav-cta:hover {
  background: var(--accent-dark);
  box-shadow: 0 0 24px rgba(99, 102, 241, 0.3);
  transform: translateY(-1px);
}

/* Mobile Menu Button */
.nav-menu-btn {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  z-index: 1001;
}

.nav-menu-btn span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 1px;
  transition: all var(--transition-base);
  transform-origin: center;
}

.nav-menu-btn.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.nav-menu-btn.active span:nth-child(2) {
  opacity: 0;
}

.nav-menu-btn.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* Mobile Nav Panel */
.mobile-nav {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(9, 9, 11, 0.95);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  z-index: 999;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 32px;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-base);
}

.mobile-nav.open {
  opacity: 1;
  pointer-events: all;
}

.mobile-nav a {
  text-decoration: none;
  color: var(--text-secondary);
  font-size: 1.5rem;
  font-weight: 600;
  transition: color var(--transition-fast);
}

.mobile-nav a:hover {
  color: var(--accent-light);
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding-top: 80px;
}

#particles-canvas {
  position: absolute;
  inset: 0;
  z-index: 0;
}

/* Gradient orbs */
.hero-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
  opacity: 0.4;
  animation: orbFloat 20s ease-in-out infinite;
  pointer-events: none;
}

.hero-orb--1 {
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(99, 102, 241, 0.3), transparent 70%);
  top: -200px;
  right: -200px;
  animation-delay: 0s;
}

.hero-orb--2 {
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(139, 92, 246, 0.25), transparent 70%);
  bottom: -150px;
  left: -150px;
  animation-delay: -7s;
}

.hero-orb--3 {
  width: 350px;
  height: 350px;
  background: radial-gradient(circle, rgba(99, 102, 241, 0.2), transparent 70%);
  top: 40%;
  left: 50%;
  animation-delay: -14s;
}

@keyframes orbFloat {
  0%, 100% { transform: translate(0, 0) scale(1); }
  25% { transform: translate(30px, -40px) scale(1.05); }
  50% { transform: translate(-20px, 30px) scale(0.95); }
  75% { transform: translate(40px, 20px) scale(1.02); }
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 720px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  background: var(--accent-glow);
  border: 1px solid rgba(99, 102, 241, 0.2);
  border-radius: var(--radius-full);
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--accent-light);
  margin-bottom: 24px;
  animation: badgePulse 3s ease-in-out infinite;
}

.hero-badge .dot {
  width: 6px;
  height: 6px;
  background: var(--success);
  border-radius: 50%;
  animation: dotPulse 2s ease-in-out infinite;
}

@keyframes dotPulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.3); }
}

@keyframes badgePulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(99, 102, 241, 0); }
  50% { box-shadow: 0 0 20px 0 rgba(99, 102, 241, 0.1); }
}

.hero-title {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 900;
  line-height: 1.08;
  letter-spacing: -0.03em;
  margin-bottom: 24px;
}

.hero-title .line {
  display: block;
}

.hero-description {
  font-size: 1.1875rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 40px;
  max-width: 560px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  background: var(--accent);
  color: var(--text-primary);
  border: 1px solid var(--accent);
  border-radius: var(--radius-full);
  font-family: var(--font-family);
  font-size: 0.9375rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: all var(--transition-base);
}

.btn-primary:hover {
  background: var(--accent-dark);
  box-shadow: 0 0 32px rgba(99, 102, 241, 0.35);
  transform: translateY(-2px);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-full);
  font-family: var(--font-family);
  font-size: 0.9375rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: all var(--transition-base);
}

.btn-secondary:hover {
  border-color: var(--text-muted);
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.03);
  transform: translateY(-2px);
}

/* Floating 3D cards in hero */
.hero-float-cards {
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  z-index: 1;
  perspective: 1000px;
  width: 420px;
  height: 420px;
  display: none;
}

.float-card {
  position: absolute;
  border-radius: var(--radius-lg);
  padding: 16px 20px;
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  border: 1px solid var(--border);
  font-size: 0.8125rem;
  color: var(--text-muted);
  animation: floatCard 6s ease-in-out infinite;
  box-shadow: var(--shadow-card);
}

.float-card code {
  color: var(--accent-light);
  font-family: 'SF Mono', 'Fira Code', monospace;
  font-size: 0.75rem;
}

.float-card--1 {
  top: 20px;
  right: 40px;
  animation-delay: 0s;
  transform: rotateX(5deg) rotateY(-10deg);
}

.float-card--2 {
  top: 160px;
  right: -10px;
  animation-delay: -2s;
  transform: rotateX(-5deg) rotateY(8deg);
}

.float-card--3 {
  top: 290px;
  right: 60px;
  animation-delay: -4s;
  transform: rotateX(3deg) rotateY(-5deg);
}

@keyframes floatCard {
  0%, 100% { transform: translateY(0) rotateX(5deg) rotateY(-5deg); }
  50% { transform: translateY(-15px) rotateX(-3deg) rotateY(3deg); }
}

/* Hero scroll indicator */
.scroll-indicator {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--text-dim);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  animation: scrollBounce 2s ease-in-out infinite;
}

.scroll-indicator .mouse {
  width: 24px;
  height: 38px;
  border: 2px solid var(--text-dim);
  border-radius: 12px;
  position: relative;
}

.scroll-indicator .mouse::after {
  content: '';
  position: absolute;
  top: 8px;
  left: 50%;
  transform: translateX(-50%);
  width: 3px;
  height: 8px;
  background: var(--accent-light);
  border-radius: 2px;
  animation: scrollWheel 2s ease-in-out infinite;
}

@keyframes scrollWheel {
  0% { opacity: 1; transform: translateX(-50%) translateY(0); }
  100% { opacity: 0; transform: translateX(-50%) translateY(10px); }
}

@keyframes scrollBounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(8px); }
}

/* ============================================
   PROJECTS SECTION
   ============================================ */
.projects {
  background: var(--bg-secondary);
}

.projects-header {
  text-align: center;
  margin-bottom: 64px;
}

.projects-header .section-subtitle {
  margin: 0 auto;
}

.project-showcase {
  display: flex;
  flex-direction: column;
  gap: 80px;
}

.project-card {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
  padding: 40px;
  border-radius: var(--radius-xl);
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  border: 1px solid var(--border);
  transition: all var(--transition-slow);
  perspective: 1000px;
}

.project-card:hover {
  border-color: var(--border-light);
  box-shadow: var(--shadow-card-hover);
}

.project-card.reverse {
  direction: rtl;
}

.project-card.reverse > * {
  direction: ltr;
}

.project-image-wrapper {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  aspect-ratio: 16 / 12;
  background: #111113;
  transition: transform var(--transition-slow);
  transform-style: preserve-3d;
}

.project-card:hover .project-image-wrapper {
  transform: perspective(1000px) rotateY(var(--rotateY, 0deg)) rotateX(var(--rotateX, 0deg));
}

.project-image-wrapper img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.project-card:hover .project-image-wrapper img {
  transform: scale(1.03);
}

.project-image-wrapper::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(9, 9, 11, 0.4), transparent 50%);
  pointer-events: none;
}

.project-info {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.project-type {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent-light);
}

.project-name {
  font-size: 2rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.2;
}

.project-description {
  color: var(--text-muted);
  font-size: 1rem;
  line-height: 1.7;
}

.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.project-tag {
  padding: 4px 12px;
  background: rgba(99, 102, 241, 0.08);
  border: 1px solid rgba(99, 102, 241, 0.15);
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--accent-light);
  transition: all var(--transition-fast);
}

.project-tag:hover {
  background: rgba(99, 102, 241, 0.15);
  border-color: rgba(99, 102, 241, 0.3);
}

.project-features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.project-feature {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.project-feature-icon {
  width: 18px;
  height: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(34, 197, 94, 0.15);
  color: var(--success);
  border-radius: 50%;
  font-size: 0.625rem;
  flex-shrink: 0;
}

/* ============================================
   SERVICES SECTION
   ============================================ */
.services-header {
  text-align: center;
  margin-bottom: 64px;
}

.services-header .section-subtitle {
  margin: 0 auto;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.service-card {
  padding: 32px;
  border-radius: var(--radius-lg);
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  border: 1px solid var(--border);
  transition: all var(--transition-base);
  cursor: default;
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  opacity: 0;
  transition: opacity var(--transition-base);
}

.service-card:hover::before {
  opacity: 1;
}

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

.service-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent-glow);
  border: 1px solid rgba(99, 102, 241, 0.15);
  border-radius: var(--radius-md);
  margin-bottom: 20px;
  font-size: 1.25rem;
  transition: all var(--transition-base);
}

.service-card:hover .service-icon {
  background: var(--accent-glow-strong);
  transform: scale(1.1) rotate(-5deg);
}

.service-card h3 {
  font-size: 1.125rem;
  font-weight: 700;
  margin-bottom: 10px;
  letter-spacing: -0.01em;
}

.service-card p {
  color: var(--text-muted);
  font-size: 0.875rem;
  line-height: 1.6;
}

/* ============================================
   TECH STACK SECTION
   ============================================ */
.tech {
  background: var(--bg-secondary);
}

.tech-header {
  text-align: center;
  margin-bottom: 64px;
}

.tech-header .section-subtitle {
  margin: 0 auto;
}

.tech-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 16px;
  max-width: 900px;
  margin: 0 auto;
}

.tech-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  padding: 24px 16px;
  border-radius: var(--radius-md);
  background: var(--bg-card);
  border: 1px solid var(--border);
  transition: all var(--transition-base);
  cursor: default;
}

.tech-item:hover {
  border-color: var(--border-light);
  background: var(--bg-card-hover);
  transform: translateY(-4px);
  box-shadow: var(--shadow-glow);
}

.tech-item-icon {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  transition: transform var(--transition-spring);
}

.tech-item:hover .tech-item-icon {
  transform: scale(1.15);
}

.tech-item-name {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--text-secondary);
  text-align: center;
}

/* ============================================
   PROCESS SECTION
   ============================================ */
.process-header {
  text-align: center;
  margin-bottom: 72px;
}

.process-header .section-subtitle {
  margin: 0 auto;
}

.process-timeline {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  position: relative;
}

/* connecting line */
.process-timeline::before {
  content: '';
  position: absolute;
  top: 44px;
  left: calc(12.5% + 12px);
  right: calc(12.5% + 12px);
  height: 2px;
  background: linear-gradient(90deg, var(--accent), var(--gradient-mid), var(--gradient-end), var(--accent));
  z-index: 0;
}

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

.process-step-number {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-primary);
  border: 2px solid var(--accent);
  border-radius: 50%;
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--accent-light);
  margin-bottom: 20px;
  transition: all var(--transition-base);
  position: relative;
}

.process-step:hover .process-step-number {
  background: var(--accent);
  color: var(--text-primary);
  box-shadow: 0 0 24px rgba(99, 102, 241, 0.4);
  transform: scale(1.1);
}

.process-step-number::after {
  content: '';
  position: absolute;
  inset: -6px;
  border-radius: 50%;
  border: 1px solid rgba(99, 102, 241, 0.15);
}

.process-step h3 {
  font-size: 1.125rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.process-step p {
  font-size: 0.8125rem;
  color: var(--text-muted);
  line-height: 1.6;
  max-width: 200px;
}

/* ============================================
   ABOUT SECTION
   ============================================ */
.about {
  background: var(--bg-secondary);
}

.about-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.about-text h2 {
  margin-bottom: 24px;
}

.about-description {
  color: var(--text-muted);
  font-size: 1.0625rem;
  line-height: 1.8;
  margin-bottom: 16px;
}

.about-description:last-of-type {
  margin-bottom: 0;
}

.about-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.stat-card {
  padding: 28px 20px;
  border-radius: var(--radius-lg);
  background: var(--bg-card);
  border: 1px solid var(--border);
  text-align: center;
  transition: all var(--transition-base);
}

.stat-card:hover {
  border-color: var(--border-light);
  background: var(--bg-card-hover);
  transform: translateY(-4px);
}

.stat-number {
  font-size: 2.5rem;
  font-weight: 900;
  line-height: 1;
  margin-bottom: 8px;
  background: linear-gradient(135deg, var(--accent-light), var(--gradient-end));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-label {
  font-size: 0.8125rem;
  color: var(--text-muted);
  font-weight: 500;
}

/* ============================================
   CONTACT / CTA SECTION
   ============================================ */
.contact {
  text-align: center;
  position: relative;
  overflow: hidden;
}

.contact::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 800px;
  background: radial-gradient(circle, rgba(99, 102, 241, 0.08), transparent 60%);
  border-radius: 50%;
  pointer-events: none;
}

.contact-content {
  position: relative;
  z-index: 1;
}

.contact-title {
  font-size: clamp(2rem, 4vw, 3.5rem);
  font-weight: 900;
  letter-spacing: -0.03em;
  margin-bottom: 16px;
}

.contact-subtitle {
  color: var(--text-muted);
  font-size: 1.125rem;
  line-height: 1.7;
  max-width: 500px;
  margin: 0 auto 40px;
}

.contact-email-wrapper {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 16px 32px;
  border-radius: var(--radius-full);
  background: var(--bg-card);
  border: 1px solid var(--border);
  cursor: pointer;
  transition: all var(--transition-base);
  margin-bottom: 20px;
}

.contact-email-wrapper:hover {
  border-color: var(--accent);
  box-shadow: var(--shadow-glow);
}

.contact-email {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--text-primary);
}

.contact-copy-icon {
  color: var(--text-dim);
  font-size: 0.875rem;
  transition: color var(--transition-fast);
}

.contact-email-wrapper:hover .contact-copy-icon {
  color: var(--accent-light);
}

.contact-copied {
  display: block;
  font-size: 0.8125rem;
  color: var(--success);
  opacity: 0;
  transform: translateY(-4px);
  transition: all var(--transition-fast);
  height: 0;
}

.contact-copied.show {
  opacity: 1;
  transform: translateY(0);
  height: auto;
  margin-bottom: 16px;
}

.contact-or {
  color: var(--text-dim);
  font-size: 0.875rem;
  margin-bottom: 24px;
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
  padding: 40px 0;
  border-top: 1px solid var(--border);
}

.footer .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.footer-left {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.875rem;
  color: var(--text-dim);
}

.footer-logo {
  font-weight: 700;
  color: var(--text-secondary);
}

.footer-links {
  display: flex;
  gap: 24px;
  list-style: none;
}

.footer-links a {
  text-decoration: none;
  color: var(--text-dim);
  font-size: 0.8125rem;
  transition: color var(--transition-fast);
}

.footer-links a:hover {
  color: var(--text-primary);
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (min-width: 1024px) {
  .hero-float-cards {
    display: block;
  }
}

@media (max-width: 1024px) {
  :root {
    --section-padding: 80px 0;
  }

  .nav-links {
    display: none;
  }

  .nav-menu-btn {
    display: flex;
  }

  .mobile-nav {
    display: flex;
  }

  .project-card {
    grid-template-columns: 1fr;
    gap: 32px;
    padding: 24px;
  }

  .project-card.reverse {
    direction: ltr;
  }

  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .process-timeline {
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
  }

  .process-timeline::before {
    display: none;
  }

  .about-content {
    grid-template-columns: 1fr;
    gap: 48px;
  }
}

@media (max-width: 768px) {
  :root {
    --section-padding: 64px 0;
  }

  .hero-title {
    font-size: clamp(2rem, 8vw, 3rem);
  }

  .hero-description {
    font-size: 1rem;
  }

  .hero-actions {
    flex-direction: column;
  }

  .btn-primary,
  .btn-secondary {
    justify-content: center;
    width: 100%;
  }

  .services-grid {
    grid-template-columns: 1fr;
  }

  .tech-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .process-timeline {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .project-features {
    grid-template-columns: 1fr;
  }

  .about-stats {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .footer .container {
    flex-direction: column;
    gap: 16px;
  }
}

@media (max-width: 480px) {
  .tech-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }
}