/* =============================================
   CROSSFIELD.TECH — PROFESSIONAL STYLESHEET
   ============================================= */

/* ===== RESET & BASE ===== */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --bg-primary:    #060B18;
  --bg-secondary:  #0A1020;
  --bg-card:       #0D1525;
  --bg-card-hover: #111D35;
  --border:        rgba(255,255,255,0.06);
  --border-hover:  rgba(0,212,255,0.25);

  --cyan:   #00D4FF;
  --purple: #6C63FF;
  --pink:   #FF6B9D;
  --green:  #00FF88;

  --text-primary:   #FFFFFF;
  --text-secondary: #8892A4;
  --text-muted:     #4A5568;

  --gradient-main:   linear-gradient(135deg, #00D4FF, #6C63FF);
  --gradient-subtle: linear-gradient(135deg, rgba(0,212,255,0.1), rgba(108,99,255,0.1));

  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-display: 'Space Grotesk', sans-serif;

  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-xl: 32px;

  --shadow-card: 0 4px 24px rgba(0,0,0,0.4), 0 1px 2px rgba(0,0,0,0.6);
  --shadow-glow: 0 0 40px rgba(0,212,255,0.15);

  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-primary);
  font-size: 16px;
  line-height: 1.6;
  overflow-x: hidden;
}

body.loading {
  overflow: hidden;
}

a { text-decoration: none; color: inherit; }
img { max-width: 100%; display: block; }
ul { list-style: none; }

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

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

/* ===== CUSTOM CURSOR ===== */
.cursor,
.cursor-follower {
  position: fixed;
  border-radius: 50%;
  pointer-events: none;
  z-index: 9999;
  mix-blend-mode: difference;
}
.cursor {
  width: 8px;
  height: 8px;
  background: #fff;
  transform: translate(-50%, -50%);
  transition: transform 0.1s;
}
.cursor-follower {
  width: 36px;
  height: 36px;
  border: 1.5px solid rgba(255,255,255,0.4);
  transform: translate(-50%, -50%);
  transition: transform 0.15s ease, width 0.3s, height 0.3s, opacity 0.3s;
}
.cursor-follower.hover {
  width: 60px;
  height: 60px;
  opacity: 0.5;
}

@media (hover: none) {
  .cursor, .cursor-follower { display: none; }
}

/* ===== LOADER ===== */
.loader {
  position: fixed;
  inset: 0;
  z-index: 9998;
  background: var(--bg-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 0.6s, visibility 0.6s;
}
.loader.hidden {
  opacity: 0;
  visibility: hidden;
}
.loader-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
}
.loader-logo {
  width: 80px;
  height: 80px;
}
.l-r {
  animation: loaderRectIn 0.3s cubic-bezier(0.34, 1.56, 0.64, 1) both;
  transform-box: fill-box;
  transform-origin: left center;
}
.l-r:nth-child(2) { animation-delay: 0.05s; }
.l-r:nth-child(3) { animation-delay: 0.12s; }
.l-r:nth-child(4) { animation-delay: 0.22s; }
.l-r:nth-child(5) { animation-delay: 0.30s; }
.l-r:nth-child(6) { animation-delay: 0.38s; }
@keyframes loaderRectIn {
  from { opacity: 0; transform: scaleX(0); }
  to   { opacity: 1; transform: scaleX(1); }
}
.loader-text {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--text-secondary);
}
.loader-text span { color: var(--cyan); }
.loader-bar {
  width: 200px;
  height: 2px;
  background: var(--bg-card);
  border-radius: 99px;
  overflow: hidden;
}
.loader-progress {
  height: 100%;
  width: 0%;
  background: var(--gradient-main);
  border-radius: 99px;
  animation: loaderProgress 2s ease forwards;
}

@keyframes loaderProgress {
  to { width: 100%; }
}

/* ===== NAVIGATION ===== */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 20px 0;
  transition: background 0.4s, padding 0.4s, box-shadow 0.4s;
}
.nav.scrolled {
  background: rgba(6, 11, 24, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  padding: 14px 0;
  box-shadow: 0 4px 30px rgba(0,0,0,0.3);
}
.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  gap: 40px;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}
.logo-mark {
  width: 36px;
  height: 36px;
  flex-shrink: 0;
}
.logo-text {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.01em;
}
.logo-dot { color: var(--cyan); }

.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-left: auto;
}
.nav-link {
  padding: 8px 14px;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  transition: color var(--transition), background var(--transition);
  position: relative;
}
.nav-link::after {
  content: '';
  position: absolute;
  bottom: 4px;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 2px;
  background: var(--gradient-main);
  border-radius: 99px;
  transition: width var(--transition);
}
.nav-link:hover,
.nav-link.active {
  color: var(--text-primary);
}
.nav-link:hover::after,
.nav-link.active::after {
  width: 20px;
}

.nav-cta {
  margin-left: 16px;
  padding: 10px 24px;
  font-size: 0.875rem;
  font-weight: 600;
  background: var(--gradient-main);
  color: #fff;
  border-radius: var(--radius-sm);
  white-space: nowrap;
  transition: opacity var(--transition), transform var(--transition), box-shadow var(--transition);
  box-shadow: 0 4px 20px rgba(0,212,255,0.25);
}
.nav-cta:hover {
  opacity: 0.9;
  transform: translateY(-1px);
  box-shadow: 0 8px 30px rgba(0,212,255,0.35);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 4px;
  background: none;
  border: none;
  cursor: pointer;
  margin-left: auto;
}
.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 99px;
  transition: transform var(--transition), opacity var(--transition);
}
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ===== SECTION COMMONS ===== */
section { padding: 120px 0; }

.section-header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 72px;
}
.section-tag {
  display: inline-block;
  padding: 6px 16px;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--cyan);
  background: rgba(0,212,255,0.1);
  border: 1px solid rgba(0,212,255,0.2);
  border-radius: 99px;
  margin-bottom: 20px;
}
.section-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  line-height: 1.15;
  margin-bottom: 16px;
  letter-spacing: -0.02em;
}
.section-subtitle {
  font-size: 1.1rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 32px;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  cursor: pointer;
  border: none;
  transition: all var(--transition);
  text-decoration: none;
}
.btn svg { width: 18px; height: 18px; }

.btn-primary {
  background: var(--gradient-main);
  color: #fff;
  box-shadow: 0 4px 24px rgba(0,212,255,0.25);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 40px rgba(0,212,255,0.4);
}
.btn-secondary {
  background: transparent;
  color: var(--text-primary);
  border: 1.5px solid var(--border-hover);
}
.btn-secondary:hover {
  background: rgba(0,212,255,0.06);
  border-color: var(--cyan);
  transform: translateY(-2px);
}
.btn-full { width: 100%; justify-content: center; }

/* ===== HERO ===== */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  position: relative;
  overflow: hidden;
  padding: 140px 24px 80px;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0,212,255,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,212,255,0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black, transparent);
}
.hero-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.15;
}
.hero-orb-1 {
  width: 600px; height: 600px;
  background: radial-gradient(circle, #00D4FF, transparent 70%);
  top: -200px; left: -100px;
  animation: orbFloat1 8s ease-in-out infinite;
}
.hero-orb-2 {
  width: 500px; height: 500px;
  background: radial-gradient(circle, #6C63FF, transparent 70%);
  top: 100px; right: -100px;
  animation: orbFloat2 10s ease-in-out infinite;
}
.hero-orb-3 {
  width: 400px; height: 400px;
  background: radial-gradient(circle, #FF6B9D, transparent 70%);
  bottom: -100px; left: 40%;
  animation: orbFloat3 12s ease-in-out infinite;
}

@keyframes orbFloat1 {
  0%, 100% { transform: translate(0, 0); }
  50% { transform: translate(30px, 30px); }
}
@keyframes orbFloat2 {
  0%, 100% { transform: translate(0, 0); }
  50% { transform: translate(-20px, 20px); }
}
@keyframes orbFloat3 {
  0%, 100% { transform: translate(0, 0); }
  50% { transform: translate(20px, -30px); }
}

.hero-particles {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}
.particle {
  position: absolute;
  width: 2px;
  height: 2px;
  background: var(--cyan);
  border-radius: 50%;
  animation: particleFloat linear infinite;
  opacity: 0;
}
@keyframes particleFloat {
  0% { transform: translateY(100vh); opacity: 0; }
  10% { opacity: 0.6; }
  90% { opacity: 0.6; }
  100% { transform: translateY(-100px); opacity: 0; }
}

.hero-container {
  position: relative;
  z-index: 1;
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 18px;
  background: rgba(0,212,255,0.08);
  border: 1px solid rgba(0,212,255,0.2);
  border-radius: 99px;
  font-size: 0.85rem;
  color: var(--cyan);
  margin-bottom: 32px;
  animation: fadeUp 0.8s ease both;
}
.badge-dot {
  width: 8px; height: 8px;
  background: var(--green);
  border-radius: 50%;
  box-shadow: 0 0 10px var(--green);
  animation: pulse 2s ease infinite;
}
@keyframes pulse {
  0%, 100% { box-shadow: 0 0 10px var(--green); }
  50% { box-shadow: 0 0 20px var(--green), 0 0 40px rgba(0,255,136,0.3); }
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.8rem, 7vw, 5.5rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: 28px;
}
.title-line {
  display: block;
  animation: fadeUp 0.8s ease both;
}
.title-line:nth-child(1) { animation-delay: 0.1s; }
.title-line:nth-child(2) { animation-delay: 0.2s; }
.title-line:nth-child(3) { animation-delay: 0.3s; }

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}

.hero-subtitle {
  font-size: clamp(1rem, 2vw, 1.25rem);
  color: var(--text-secondary);
  line-height: 1.7;
  max-width: 600px;
  margin: 0 auto 40px;
  animation: fadeUp 0.8s 0.4s ease both;
}
.hero-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 60px;
  animation: fadeUp 0.8s 0.5s ease both;
}

.hero-stats {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 40px;
  flex-wrap: wrap;
  animation: fadeUp 0.8s 0.6s ease both;
}
.hero-stat {
  text-align: center;
}
.stat-number {
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 800;
  background: var(--gradient-main);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.stat-plus {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--cyan);
}
.stat-label {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-top: 4px;
}
.hero-stat-divider {
  width: 1px;
  height: 50px;
  background: var(--border);
}

/* Hero floating code card */
.hero-code-card {
  position: absolute;
  right: max(24px, calc(50% - 640px));
  top: 50%;
  transform: translateY(-40%);
  background: rgba(13, 21, 37, 0.9);
  border: 1px solid rgba(0,212,255,0.15);
  border-radius: var(--radius-md);
  overflow: hidden;
  width: 260px;
  box-shadow: 0 20px 60px rgba(0,0,0,0.5), 0 0 40px rgba(0,212,255,0.08);
  animation: cardFloat 6s ease-in-out infinite, fadeUp 1s 0.8s ease both;
  backdrop-filter: blur(10px);
  z-index: 2;
}
.code-card-header {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 10px 14px;
  background: rgba(255,255,255,0.03);
  border-bottom: 1px solid var(--border);
}
.code-dot {
  width: 10px; height: 10px;
  border-radius: 50%;
}
.code-dot.red    { background: #FF5F56; }
.code-dot.yellow { background: #FFBD2E; }
.code-dot.green  { background: #27C93F; }
.code-filename {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-left: 6px;
  font-family: 'Courier New', monospace;
}
.code-card-body {
  padding: 14px;
  font-family: 'Courier New', monospace;
  font-size: 0.78rem;
  line-height: 1.8;
}
.code-line { white-space: nowrap; }
.code-line.indent { padding-left: 16px; }
.code-kw    { color: #6C63FF; }
.code-var   { color: #00D4FF; }
.code-prop  { color: #8892A4; }
.code-str   { color: #00FF88; }
.code-num   { color: #FF6B9D; }
.blink {
  animation: blink 1s step-end infinite;
  color: var(--cyan);
}
@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}
@keyframes cardFloat {
  0%, 100% { transform: translateY(-40%); }
  50% { transform: translateY(-43%); }
}

/* Tech pills */
.tech-pill {
  position: absolute;
  padding: 8px 16px;
  background: rgba(13,21,37,0.85);
  border: 1px solid rgba(108,99,255,0.3);
  border-radius: 99px;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--purple);
  backdrop-filter: blur(10px);
  z-index: 2;
  animation: fadeUp 1s ease both;
}
.tech-pill-1 { left: max(24px, calc(50% - 620px)); top: 35%; animation-delay: 0.9s; animation: fadeUp 1s 0.9s ease both, pill1Float 5s 2s ease-in-out infinite; }
.tech-pill-2 { left: max(24px, calc(50% - 580px)); top: 55%; animation: fadeUp 1s 1.1s ease both, pill2Float 6s 2s ease-in-out infinite; }
.tech-pill-3 { right: max(24px, calc(50% - 650px)); top: 30%; animation: fadeUp 1s 1.3s ease both, pill3Float 7s 2s ease-in-out infinite; color: var(--cyan); border-color: rgba(0,212,255,0.3); }
.tech-pill-4 { right: max(24px, calc(50% - 620px)); top: 65%; animation: fadeUp 1s 1.5s ease both, pill4Float 5.5s 2s ease-in-out infinite; color: var(--green); border-color: rgba(0,255,136,0.3); }

@keyframes pill1Float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}
@keyframes pill2Float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(6px); }
}
@keyframes pill3Float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}
@keyframes pill4Float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(8px); }
}

.hero-scroll {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  font-size: 0.75rem;
  color: var(--text-muted);
  letter-spacing: 0.1em;
  animation: fadeUp 1s 1.5s ease both;
  z-index: 1;
}
.scroll-line {
  width: 1px;
  height: 50px;
  background: linear-gradient(to bottom, transparent, var(--cyan));
  animation: scrollLine 2s ease-in-out infinite;
}
@keyframes scrollLine {
  0% { transform: scaleY(0); transform-origin: top; }
  50% { transform: scaleY(1); transform-origin: top; }
  50.01% { transform-origin: bottom; }
  100% { transform: scaleY(0); transform-origin: bottom; }
}

/* ===== MARQUEE ===== */
.marquee-section {
  padding: 0;
  overflow: hidden;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: var(--bg-secondary);
}
.marquee-track {
  padding: 20px 0;
  overflow: hidden;
}
.marquee-inner {
  display: flex;
  gap: 48px;
  white-space: nowrap;
  animation: marquee 25s linear infinite;
  width: max-content;
}
.marquee-inner span {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-secondary);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}
.marquee-dot {
  color: var(--cyan) !important;
  font-size: 0.7rem !important;
}
@keyframes marquee {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

/* ===== SERVICES ===== */
.services {
  background: var(--bg-secondary);
}

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

.service-card {
  position: relative;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px 32px;
  transition: all var(--transition);
  overflow: hidden;
}
.service-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: var(--gradient-main);
  opacity: 0;
  transition: opacity var(--transition);
}
.service-card:hover {
  border-color: var(--border-hover);
  background: var(--bg-card-hover);
  transform: translateY(-6px);
  box-shadow: var(--shadow-card), 0 0 40px rgba(0,212,255,0.07);
}
.service-card:hover::before { opacity: 1; }

.service-card.featured {
  background: linear-gradient(135deg, rgba(0,212,255,0.05), rgba(108,99,255,0.05));
  border-color: rgba(108,99,255,0.3);
}
.service-card.featured::before { opacity: 1; }

.service-badge {
  position: absolute;
  top: 20px; right: 20px;
  padding: 4px 12px;
  background: var(--gradient-main);
  border-radius: 99px;
  font-size: 0.7rem;
  font-weight: 700;
  color: #fff;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.service-icon {
  width: 56px;
  height: 56px;
  background: rgba(0,212,255,0.08);
  border: 1px solid rgba(0,212,255,0.15);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
  color: var(--cyan);
  transition: all var(--transition);
}
.service-icon svg { width: 26px; height: 26px; }
.service-card:hover .service-icon {
  background: rgba(0,212,255,0.15);
  box-shadow: 0 0 20px rgba(0,212,255,0.2);
}

.service-card h3 {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--text-primary);
}
.service-card p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 20px;
}
.service-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 24px;
}
.service-tags span {
  padding: 4px 12px;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border);
  border-radius: 99px;
  font-size: 0.75rem;
  color: var(--text-secondary);
}
.service-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--cyan);
  transition: gap var(--transition);
}
.service-link svg { width: 16px; height: 16px; }
.service-link:hover { gap: 10px; }

/* ===== PORTFOLIO ===== */
.portfolio {
  background: var(--bg-primary);
}

.portfolio-filters {
  display: flex;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 48px;
}
.filter-btn {
  padding: 10px 24px;
  font-size: 0.875rem;
  font-weight: 600;
  background: transparent;
  border: 1.5px solid var(--border);
  border-radius: 99px;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition);
}
.filter-btn:hover,
.filter-btn.active {
  background: var(--gradient-main);
  border-color: transparent;
  color: #fff;
  box-shadow: 0 4px 20px rgba(0,212,255,0.25);
}

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-auto-rows: 300px;
  gap: 20px;
}
.portfolio-card.large {
  grid-row: span 2;
}

.portfolio-card {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  cursor: pointer;
  background: var(--bg-card);
  border: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  transition: transform var(--transition), box-shadow var(--transition);
}
.portfolio-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 60px rgba(0,0,0,0.5);
}

.portfolio-image {
  flex: 1;
  position: relative;
  overflow: hidden;
  min-height: 200px;
}

.portfolio-mockup {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}
.mockup-browser {
  width: 100%;
  max-width: 200px;
  background: rgba(0,0,0,0.5);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 8px;
  overflow: hidden;
}
.mockup-dots {
  display: flex;
  gap: 5px;
  padding: 6px 10px;
  background: rgba(0,0,0,0.3);
}
.mockup-dots span {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: rgba(255,255,255,0.2);
}
.mockup-dots span:nth-child(1) { background: rgba(255,95,86,0.6); }
.mockup-dots span:nth-child(2) { background: rgba(255,189,46,0.6); }
.mockup-dots span:nth-child(3) { background: rgba(39,201,63,0.6); }
.mockup-screen {
  height: 120px;
  background: repeating-linear-gradient(
    0deg,
    rgba(255,255,255,0.03) 0px,
    rgba(255,255,255,0.03) 1px,
    transparent 1px,
    transparent 16px
  );
}
.mockup-screen.purple { background-color: rgba(108,99,255,0.1); }
.mockup-screen.teal   { background-color: rgba(0,180,200,0.1); }
.mockup-screen.green  { background-color: rgba(0,180,80,0.1); }
.mockup-screen.orange { background-color: rgba(200,100,0,0.1); }
.mockup-screen.violet { background-color: rgba(150,0,200,0.1); }

.portfolio-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity var(--transition);
  backdrop-filter: blur(4px);
}
.portfolio-card:hover .portfolio-overlay { opacity: 1; }
.portfolio-btn {
  padding: 12px 28px;
  background: var(--gradient-main);
  color: #fff;
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  font-weight: 600;
  box-shadow: 0 4px 20px rgba(0,212,255,0.3);
  transform: translateY(10px);
  transition: transform var(--transition);
}
.portfolio-card:hover .portfolio-btn { transform: translateY(0); }

.portfolio-info {
  padding: 20px 24px;
  border-top: 1px solid var(--border);
}
.portfolio-tags {
  display: flex;
  gap: 8px;
  margin-bottom: 10px;
}
.portfolio-tags span {
  padding: 3px 10px;
  background: rgba(0,212,255,0.08);
  border: 1px solid rgba(0,212,255,0.15);
  border-radius: 99px;
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--cyan);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.portfolio-info h3 {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 6px;
}
.portfolio-info p {
  font-size: 0.82rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

.portfolio-cta {
  text-align: center;
  margin-top: 60px;
}

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

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.about-visual {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 500px;
}
.about-graphic {
  position: relative;
  width: 300px;
  height: 300px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.about-ring {
  position: absolute;
  border-radius: 50%;
  border: 1px solid;
  animation: ringRotate linear infinite;
}
.ring-1 {
  width: 300px; height: 300px;
  border-color: rgba(0,212,255,0.15);
  animation-duration: 20s;
}
.ring-2 {
  width: 220px; height: 220px;
  border-color: rgba(108,99,255,0.2);
  animation-duration: 15s;
  animation-direction: reverse;
}
.ring-3 {
  width: 140px; height: 140px;
  border-color: rgba(0,212,255,0.3);
  animation-duration: 10s;
}
@keyframes ringRotate {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}
.about-center {
  width: 90px; height: 90px;
  z-index: 2;
}
.about-logo-svg {
  width: 90px; height: 90px;
  filter: drop-shadow(0 0 24px rgba(0,212,255,0.45));
}

.about-card {
  position: absolute;
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px 20px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card);
  animation: cardFloat2 5s ease-in-out infinite;
}
.about-card-1 {
  top: 40px; right: 0;
  animation-delay: 0s;
}
.about-card-2 {
  bottom: 60px; left: 0;
  animation-delay: -2.5s;
}
@keyframes cardFloat2 {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}
.about-card-icon { font-size: 1.5rem; }
.about-card-num {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--cyan);
}
.about-card-label {
  font-size: 0.78rem;
  color: var(--text-secondary);
}

.about-content .section-tag { margin-bottom: 16px; }
.about-content .section-title { margin-bottom: 24px; }
.about-text {
  font-size: 1rem;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 16px;
}

.about-values {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin: 32px 0 40px;
}
.value-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
}
.value-icon {
  width: 40px; height: 40px;
  min-width: 40px;
  background: rgba(0,212,255,0.08);
  border: 1px solid rgba(0,212,255,0.15);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--cyan);
}
.value-icon svg { width: 20px; height: 20px; }
.value-item h4 {
  font-weight: 600;
  font-size: 0.95rem;
  margin-bottom: 4px;
}
.value-item p {
  font-size: 0.875rem;
  color: var(--text-secondary);
}

/* ===== PROCESS ===== */
.process {
  background: var(--bg-primary);
}

.process-steps {
  display: flex;
  flex-direction: column;
  gap: 0;
}
.process-step {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 32px;
  align-items: flex-start;
  position: relative;
  padding-bottom: 48px;
}
.process-step:last-child { padding-bottom: 0; }

.step-number {
  font-family: var(--font-display);
  font-size: 3rem;
  font-weight: 900;
  color: transparent;
  -webkit-text-stroke: 1px rgba(0,212,255,0.2);
  line-height: 1;
  text-align: center;
}

.step-content {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: all var(--transition);
}
.step-content:hover {
  border-color: var(--border-hover);
  box-shadow: var(--shadow-card), 0 0 30px rgba(0,212,255,0.05);
}
.step-icon {
  width: 48px; height: 48px;
  color: var(--cyan);
  margin-bottom: 16px;
}
.step-icon svg { width: 48px; height: 48px; }
.step-content h3 {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 10px;
}
.step-content p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.7;
}

.step-connector {
  position: absolute;
  left: 39px;
  top: 60px;
  bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, rgba(0,212,255,0.3), transparent);
}

/* ===== TECH SECTION ===== */
.tech-section {
  padding: 80px 0;
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
}
.tech-section .section-header { margin-bottom: 48px; }

.tech-grid {
  display: grid;
  grid-template-columns: repeat(8, 1fr);
  gap: 16px;
}
.tech-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  padding: 24px 16px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  transition: all var(--transition);
  cursor: default;
}
.tech-item:hover {
  border-color: var(--border-hover);
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.3);
}
.tech-icon {
  width: 40px; height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  border-radius: 10px;
}
.react-icon  { background: rgba(97,218,251,0.1); color: #61dafb; }
.next-icon   { background: rgba(255,255,255,0.05); color: #fff; font-weight: 700; font-size: 1.2rem; }
.ts-icon     { background: rgba(0,122,204,0.15); color: #007acc; font-weight: 800; font-size: 0.9rem; font-family: var(--font-display); }
.node-icon   { background: rgba(104,160,99,0.15); color: #68a063; }
.pg-icon     { background: rgba(51,103,145,0.15); }
.aws-icon    { background: rgba(255,153,0,0.1); color: #FF9900; }
.docker-icon { background: rgba(13,183,237,0.1); }
.gql-icon    { background: rgba(225,0,152,0.1); color: #E10098; font-size: 1.2rem; }

.tech-item span {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-secondary);
}

/* ===== TESTIMONIALS ===== */
.testimonials {
  background: var(--bg-primary);
}

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

.testimonial-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px 32px;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}
.testimonial-card::before {
  content: '"';
  position: absolute;
  top: -20px; right: 24px;
  font-size: 10rem;
  font-family: Georgia, serif;
  color: var(--cyan);
  opacity: 0.04;
  line-height: 1;
}
.testimonial-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-4px);
  box-shadow: var(--shadow-card);
}
.testimonial-card.featured {
  background: linear-gradient(135deg, rgba(0,212,255,0.04), rgba(108,99,255,0.06));
  border-color: rgba(108,99,255,0.25);
}

.testimonial-stars {
  font-size: 1rem;
  color: #FFD700;
  letter-spacing: 2px;
  margin-bottom: 16px;
}
.testimonial-text {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 24px;
  font-style: italic;
}
.testimonial-author {
  display: flex;
  align-items: center;
  gap: 14px;
}
.author-avatar {
  width: 44px; height: 44px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  font-weight: 700;
  flex-shrink: 0;
  color: #fff;
}
.author-name {
  font-weight: 700;
  font-size: 0.9rem;
}
.author-role {
  font-size: 0.8rem;
  color: var(--text-secondary);
}

/* ===== TEAM ===== */
.team {
  background: var(--bg-secondary);
}

.team-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.team-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition);
}
.team-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-6px);
  box-shadow: var(--shadow-card), 0 0 30px rgba(0,212,255,0.08);
}

.team-avatar {
  height: 200px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}
.team-avatar svg {
  width: 100%;
  height: 100%;
  opacity: 0.8;
}

.team-info {
  padding: 24px;
}
.team-info h3 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 4px;
}
.team-role {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--cyan);
  background: rgba(0,212,255,0.08);
  border: 1px solid rgba(0,212,255,0.15);
  border-radius: 99px;
  padding: 3px 12px;
  margin-bottom: 12px;
  letter-spacing: 0.03em;
}
.team-info p {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 18px;
}
.team-social {
  display: flex;
  gap: 8px;
}
.team-social a {
  width: 32px; height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--text-secondary);
  transition: all var(--transition);
}
.team-social a:hover {
  background: rgba(0,212,255,0.1);
  border-color: rgba(0,212,255,0.3);
  color: var(--cyan);
}

/* ===== CONTACT ===== */
.contact {
  background: var(--bg-primary);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 80px;
  align-items: flex-start;
}
.contact-info .section-tag { margin-bottom: 16px; }
.contact-info .section-title {
  font-size: clamp(1.8rem, 3.5vw, 2.5rem);
  margin-bottom: 16px;
}
.contact-info > p {
  color: var(--text-secondary);
  font-size: 1rem;
  line-height: 1.7;
  margin-bottom: 40px;
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: 24px;
  margin-bottom: 40px;
}
.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
}
.contact-icon {
  width: 44px; height: 44px;
  min-width: 44px;
  background: rgba(0,212,255,0.08);
  border: 1px solid rgba(0,212,255,0.15);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--cyan);
}
.contact-icon svg { width: 20px; height: 20px; }
.contact-label {
  font-size: 0.78rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 4px;
}
.contact-value {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-primary);
}

.contact-social {
  display: flex;
  gap: 12px;
}
.social-btn {
  width: 44px; height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  transition: all var(--transition);
}
.social-btn svg { width: 18px; height: 18px; }
.social-btn:hover {
  background: rgba(0,212,255,0.1);
  border-color: rgba(0,212,255,0.3);
  color: var(--cyan);
  transform: translateY(-2px);
}

/* Contact Form */
.contact-form-wrapper {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 48px;
}
.contact-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.form-group label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-primary);
}
.form-group input,
.form-group select,
.form-group textarea {
  padding: 14px 16px;
  background: var(--bg-secondary);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-family: var(--font-primary);
  font-size: 0.9rem;
  transition: all var(--transition);
  outline: none;
}
.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--text-muted);
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--cyan);
  box-shadow: 0 0 0 3px rgba(0,212,255,0.1);
}
.form-group select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%238892A4' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  background-size: 18px;
  padding-right: 44px;
}
.form-group select option {
  background: var(--bg-card);
  color: var(--text-primary);
}
.form-group textarea { resize: vertical; min-height: 140px; }

.form-success {
  display: none;
  align-items: center;
  gap: 10px;
  padding: 14px 16px;
  background: rgba(0,255,136,0.08);
  border: 1px solid rgba(0,255,136,0.2);
  border-radius: var(--radius-sm);
  color: var(--green);
  font-size: 0.875rem;
  font-weight: 500;
}
.form-success svg { width: 20px; height: 20px; flex-shrink: 0; }
.form-success.visible { display: flex; }

/* ===== FOOTER ===== */
.footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
}
.footer-top {
  padding: 80px 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 60px;
}
.footer-logo { margin-bottom: 16px; }
.footer-tagline {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 24px;
  max-width: 260px;
}
.footer-social {
  display: flex;
  gap: 10px;
}
.footer-social-btn {
  width: 36px; height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--text-secondary);
  transition: all var(--transition);
}
.footer-social-btn:hover {
  background: rgba(0,212,255,0.1);
  border-color: rgba(0,212,255,0.3);
  color: var(--cyan);
}

.footer-links-col h4 {
  font-family: var(--font-display);
  font-size: 0.875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-primary);
  margin-bottom: 20px;
}
.footer-links-col ul {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.footer-links-col a {
  font-size: 0.875rem;
  color: var(--text-secondary);
  transition: color var(--transition);
}
.footer-links-col a:hover { color: var(--cyan); }

.footer-bottom {
  border-top: 1px solid var(--border);
  padding: 24px 0;
}
.footer-bottom-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.footer-bottom p {
  font-size: 0.85rem;
  color: var(--text-muted);
}
.footer-legal {
  display: flex;
  gap: 24px;
}
.footer-legal a {
  font-size: 0.85rem;
  color: var(--text-muted);
  transition: color var(--transition);
}
.footer-legal a:hover { color: var(--text-secondary); }

/* ===== AOS ANIMATIONS ===== */
[data-aos] {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
[data-aos="fade-right"] {
  transform: translateX(-30px);
}
[data-aos].aos-animate {
  opacity: 1;
  transform: translate(0);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1100px) {
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .team-grid { grid-template-columns: repeat(2, 1fr); }
  .tech-grid { grid-template-columns: repeat(4, 1fr); }
  .portfolio-grid {
    grid-template-columns: repeat(2, 1fr);
    grid-auto-rows: 280px;
  }
  .hero-code-card { display: none; }
  .tech-pill { display: none; }
}

@media (max-width: 900px) {
  section { padding: 80px 0; }

  .nav-links { display: none; }
  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: rgba(6,11,24,0.98);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
    padding: 24px;
    gap: 4px;
    backdrop-filter: blur(20px);
  }
  .nav-links.open .nav-link {
    padding: 12px 16px;
    border-radius: var(--radius-sm);
  }
  .nav-cta { display: none; }
  .nav-toggle { display: flex; }
  .nav { position: fixed; }

  .about-grid { grid-template-columns: 1fr; gap: 48px; }
  .about-visual { height: 300px; }

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

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

  .testimonials-grid { grid-template-columns: 1fr; max-width: 500px; margin: 0 auto; }

  .portfolio-grid { grid-template-columns: 1fr; }
  .portfolio-card.large { grid-row: span 1; }

  .process-step { grid-template-columns: 60px 1fr; }
  .step-number { font-size: 2rem; }

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

@media (max-width: 600px) {
  .hero-title { font-size: clamp(2rem, 10vw, 3rem); }
  .hero-stats { gap: 24px; flex-direction: column; }
  .hero-stat-divider { display: none; }

  .form-row { grid-template-columns: 1fr; }
  .contact-form-wrapper { padding: 28px 20px; }

  .team-grid { grid-template-columns: 1fr; }
  .tech-grid { grid-template-columns: repeat(4, 1fr); }

  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom-inner { flex-direction: column; gap: 16px; text-align: center; }
  .footer-legal { flex-wrap: wrap; justify-content: center; gap: 16px; }

  .hero-actions { flex-direction: column; align-items: center; }
  .hero-actions .btn { width: 100%; max-width: 280px; justify-content: center; }
}