/* ============================================
   NetShell - Award-Winning Theme
   Modern, Clean, Conversion-Focused Design
   ============================================ */

/* --- CSS Custom Properties --- */
:root {
  --primary: #0f1729;
  --primary-light: #1a2744;
  --accent: #00d4ff;
  --accent-secondary: #7c3aed;
  --accent-gradient: linear-gradient(135deg, #00d4ff 0%, #7c3aed 100%);
  --text: #e2e8f0;
  --text-muted: #94a3b8;
  --text-dark: #1e293b;
  --white: #ffffff;
  --surface: rgba(255,255,255,0.03);
  --surface-hover: rgba(255,255,255,0.07);
  --border: rgba(255,255,255,0.08);
  --radius: 16px;
  --radius-sm: 8px;
  --radius-xl: 24px;
  --shadow: 0 4px 24px rgba(0,0,0,0.3);
  --shadow-lg: 0 8px 48px rgba(0,0,0,0.4);
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

body {
  font-family: var(--font);
  background: var(--primary);
  color: var(--text);
  line-height: 1.7;
  overflow-x: hidden;
}

a { color: var(--accent); text-decoration: none; transition: var(--transition); }
a:hover { color: #fff; }

img { max-width: 100%; height: auto; display: block; }

/* --- Background Effects --- */
.bg-grid {
  position: fixed;
  inset: 0;
  z-index: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.02) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
}

.bg-glow {
  position: fixed;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  filter: blur(150px);
  opacity: 0.15;
  pointer-events: none;
  z-index: 0;
}

.bg-glow--1 {
  top: -200px;
  right: -100px;
  background: var(--accent);
}

.bg-glow--2 {
  bottom: -200px;
  left: -100px;
  background: var(--accent-secondary);
}

/* --- Container --- */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  position: relative;
  z-index: 1;
}

.container--wide {
  max-width: 1400px;
}

/* --- Navigation --- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 20px 0;
  transition: var(--transition);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  background: rgba(15, 23, 41, 0.8);
  border-bottom: 1px solid transparent;
}

.nav.scrolled {
  padding: 12px 0;
  border-bottom: 1px solid var(--border);
  background: rgba(15, 23, 41, 0.95);
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.nav__logo {
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: -0.5px;
  color: var(--white);
  display: flex;
  align-items: center;
  gap: 10px;
}

.nav__logo-icon {
  width: 36px;
  height: 36px;
  background: var(--accent-gradient);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  color: var(--primary);
  font-weight: 900;
}

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

.nav__links a {
  color: var(--text-muted);
  font-size: 0.9rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  transition: var(--transition);
  position: relative;
}

.nav__links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent-gradient);
  transition: var(--transition);
}

.nav__links a:hover { color: var(--white); }
.nav__links a:hover::after { width: 100%; }

.nav__lang {
  display: flex;
  gap: 4px;
  background: var(--surface);
  border-radius: 8px;
  padding: 4px;
  border: 1px solid var(--border);
}

.nav__lang a {
  padding: 4px 10px;
  border-radius: 6px;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
}

.nav__lang a.active {
  background: var(--accent-gradient);
  color: var(--primary);
}

.nav__cta {
  padding: 10px 24px;
  background: var(--accent-gradient);
  color: var(--primary) !important;
  border-radius: var(--radius-sm);
  font-weight: 700;
  font-size: 0.85rem;
  letter-spacing: 0.02em;
  transition: var(--transition);
  box-shadow: 0 0 20px rgba(0, 212, 255, 0.3);
}

.nav__cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 30px rgba(0, 212, 255, 0.5);
  color: var(--primary) !important;
}

/* Mobile menu */
.nav__burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 8px;
}

.nav__burger span {
  width: 24px;
  height: 2px;
  background: var(--text);
  transition: var(--transition);
}

/* --- Hero Section --- */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  padding: 120px 0 80px;
}

.hero__content {
  max-width: 720px;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 100px;
  font-size: 0.8rem;
  color: var(--accent);
  font-weight: 500;
  margin-bottom: 24px;
  animation: fadeInUp 0.8s ease forwards;
}

.hero__badge::before {
  content: '';
  width: 6px;
  height: 6px;
  background: var(--accent);
  border-radius: 50%;
  animation: pulse 2s infinite;
}

.hero__title {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: 24px;
  animation: fadeInUp 0.8s ease 0.1s forwards;
  opacity: 0;
}

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

.hero__subtitle {
  font-size: 1.15rem;
  color: var(--text-muted);
  max-width: 540px;
  margin-bottom: 40px;
  line-height: 1.8;
  animation: fadeInUp 0.8s ease 0.2s forwards;
  opacity: 0;
}

.hero__actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  animation: fadeInUp 0.8s ease 0.3s forwards;
  opacity: 0;
}

.hero__stats {
  display: flex;
  gap: 48px;
  margin-top: 64px;
  animation: fadeInUp 0.8s ease 0.4s forwards;
  opacity: 0;
}

.hero__stat-number {
  font-size: 2rem;
  font-weight: 800;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero__stat-label {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-top: 4px;
}

/* Animated terminal on the right */
.hero__visual {
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 480px;
  opacity: 0;
  animation: fadeInRight 1s ease 0.5s forwards;
}

.terminal {
  background: rgba(0,0,0,0.4);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  backdrop-filter: blur(10px);
}

.terminal__header {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 16px;
  background: rgba(0,0,0,0.3);
  border-bottom: 1px solid var(--border);
}

.terminal__dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
}

.terminal__dot--red { background: #ff5f56; }
.terminal__dot--yellow { background: #ffbd2e; }
.terminal__dot--green { background: #27c93f; }

.terminal__body {
  padding: 20px;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  line-height: 1.8;
}

.terminal__line { margin-bottom: 4px; }
.terminal__prompt { color: var(--accent); }
.terminal__text { color: var(--text-muted); }
.terminal__highlight { color: #27c93f; }
.terminal__cursor {
  display: inline-block;
  width: 8px;
  height: 16px;
  background: var(--accent);
  animation: blink 1s step-end infinite;
  vertical-align: text-bottom;
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: var(--radius-sm);
  font-weight: 700;
  font-size: 0.9rem;
  letter-spacing: 0.02em;
  cursor: pointer;
  border: none;
  transition: var(--transition);
  text-decoration: none;
}

.btn--primary {
  background: var(--accent-gradient);
  color: var(--primary);
  box-shadow: 0 0 24px rgba(0, 212, 255, 0.3);
}

.btn--primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 0 40px rgba(0, 212, 255, 0.5);
  color: var(--primary);
}

.btn--outline {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
}

.btn--outline:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-3px);
}

/* --- Section Styles --- */
.section {
  padding: 120px 0;
  position: relative;
}

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

.section__label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 100px;
  font-size: 0.8rem;
  color: var(--accent);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 16px;
}

.section__title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.2;
  margin-bottom: 16px;
}

.section__desc {
  color: var(--text-muted);
  font-size: 1.1rem;
  max-width: 600px;
  margin: 0 auto;
}

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

.service-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 40px 32px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

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

.service-card:hover {
  border-color: rgba(0, 212, 255, 0.2);
  transform: translateY(-4px);
  box-shadow: 0 8px 32px rgba(0, 212, 255, 0.1);
}

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

.service-card__icon {
  width: 56px;
  height: 56px;
  background: var(--accent-gradient);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 24px;
}

.service-card__title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.service-card__desc {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.7;
}

.service-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 20px;
}

.service-card__tag {
  padding: 4px 12px;
  background: rgba(0, 212, 255, 0.08);
  border: 1px solid rgba(0, 212, 255, 0.15);
  border-radius: 100px;
  font-size: 0.75rem;
  color: var(--accent);
  font-weight: 500;
}

/* --- Portfolio Section --- */
.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.portfolio-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: var(--transition);
  group: true;
}

.portfolio-card:hover {
  border-color: rgba(0, 212, 255, 0.2);
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
}

.portfolio-card__image {
  position: relative;
  padding-top: 62%;
  overflow: hidden;
}

.portfolio-card__image img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.portfolio-card:hover .portfolio-card__image img {
  transform: scale(1.05);
}

.portfolio-card__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(15, 23, 41, 0.9), transparent);
  opacity: 0;
  transition: var(--transition);
  display: flex;
  align-items: flex-end;
  padding: 24px;
}

.portfolio-card:hover .portfolio-card__overlay {
  opacity: 1;
}

.portfolio-card__link {
  padding: 8px 20px;
  background: var(--accent-gradient);
  color: var(--primary);
  border-radius: 6px;
  font-weight: 700;
  font-size: 0.85rem;
}

.portfolio-card__body {
  padding: 24px;
}

.portfolio-card__category {
  font-size: 0.75rem;
  color: var(--accent);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 8px;
}

.portfolio-card__title {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.portfolio-card__desc {
  color: var(--text-muted);
  font-size: 0.9rem;
  line-height: 1.6;
}

/* --- GitHub / Open Source Section --- */
.repos-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.repo-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}

.repo-card:hover {
  border-color: rgba(0, 212, 255, 0.2);
  transform: translateY(-4px);
}

.repo-card__header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}

.repo-card__icon {
  font-size: 1.2rem;
  color: var(--accent);
}

.repo-card__name {
  font-weight: 700;
  font-size: 1.05rem;
}

.repo-card__name a {
  color: var(--white);
}

.repo-card__name a:hover {
  color: var(--accent);
}

.repo-card__desc {
  color: var(--text-muted);
  font-size: 0.9rem;
  line-height: 1.6;
  flex: 1;
  margin-bottom: 20px;
}

.repo-card__meta {
  display: flex;
  align-items: center;
  gap: 20px;
}

.repo-card__stat {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.repo-card__lang-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
}

.lang-php { background: #4F5D95; }
.lang-csharp { background: #178600; }
.lang-js { background: #f1e05a; }
.lang-ts { background: #3178c6; }
.lang-vue { background: #41b883; }

/* --- About / Company Section --- */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.about__content {
  padding-right: 40px;
}

.about__text {
  color: var(--text-muted);
  font-size: 1rem;
  line-height: 1.8;
  margin-bottom: 20px;
}

.about__details {
  list-style: none;
  margin-top: 32px;
}

.about__detail {
  display: flex;
  gap: 16px;
  padding: 16px 0;
  border-bottom: 1px solid var(--border);
}

.about__detail-label {
  font-weight: 600;
  color: var(--accent);
  min-width: 160px;
  font-size: 0.9rem;
}

.about__detail-value {
  color: var(--text-muted);
  font-size: 0.9rem;
}

.about__visual {
  position: relative;
}

.about__card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 40px;
}

.about__year {
  font-size: 5rem;
  font-weight: 900;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  margin-bottom: 16px;
}

.about__since {
  color: var(--text-muted);
  font-size: 1rem;
}

/* --- Technologies Section --- */
.tech-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 16px;
}

.tech-pill {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 100px;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text);
  transition: var(--transition);
}

.tech-pill:hover {
  border-color: var(--accent);
  background: rgba(0, 212, 255, 0.05);
  transform: translateY(-2px);
}

/* --- Contact Section --- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
}

.contact__info {
  padding-right: 40px;
}

.contact__item {
  display: flex;
  gap: 16px;
  margin-bottom: 32px;
}

.contact__icon {
  width: 48px;
  height: 48px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  color: var(--accent);
  flex-shrink: 0;
}

.contact__label {
  font-size: 0.8rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 4px;
}

.contact__value {
  font-weight: 500;
  color: var(--text);
}

.contact__value a { color: var(--text); }
.contact__value a:hover { color: var(--accent); }

.contact__social {
  display: flex;
  gap: 12px;
  margin-top: 40px;
}

.contact__social-link {
  width: 44px;
  height: 44px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  transition: var(--transition);
  font-size: 1.1rem;
}

.contact__social-link:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-3px);
}

/* Contact form */
.contact__form {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 40px;
}

.form__group {
  margin-bottom: 20px;
}

.form__label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--text);
}

.form__input,
.form__textarea {
  width: 100%;
  padding: 12px 16px;
  background: rgba(0,0,0,0.3);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-family: var(--font);
  font-size: 0.9rem;
  transition: var(--transition);
  outline: none;
}

.form__input:focus,
.form__textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.1);
}

.form__textarea {
  resize: vertical;
  min-height: 120px;
}

/* --- Footer --- */
.footer {
  padding: 48px 0;
  border-top: 1px solid var(--border);
  position: relative;
  z-index: 1;
}

.footer__inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}

.footer__copy {
  color: var(--text-muted);
  font-size: 0.85rem;
}

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

.footer__links a {
  color: var(--text-muted);
  font-size: 0.85rem;
}

.footer__links a:hover {
  color: var(--accent);
}

/* --- Animations --- */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeInRight {
  from { opacity: 0; transform: translate(50px, -50%); }
  to { opacity: 1; transform: translate(0, -50%); }
}

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

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

/* Scroll reveal */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

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

/* --- Marquee / Tech Scroll --- */
.marquee {
  overflow: hidden;
  white-space: nowrap;
  padding: 40px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.marquee__inner {
  display: inline-flex;
  gap: 48px;
  animation: marquee 30s linear infinite;
}

.marquee__item {
  font-size: 1.5rem;
  font-weight: 800;
  color: rgba(255,255,255,0.06);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

@keyframes marquee {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* --- CTA Banner --- */
.cta-banner {
  text-align: center;
  padding: 80px 40px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  position: relative;
  overflow: hidden;
}

.cta-banner::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 400px;
  height: 400px;
  background: var(--accent);
  border-radius: 50%;
  filter: blur(200px);
  opacity: 0.08;
}

.cta-banner__title {
  font-size: clamp(1.8rem, 3vw, 2.5rem);
  font-weight: 800;
  margin-bottom: 16px;
  position: relative;
}

.cta-banner__desc {
  color: var(--text-muted);
  font-size: 1.05rem;
  margin-bottom: 32px;
  position: relative;
}

/* --- Responsive --- */
@media (max-width: 1024px) {
  .hero__visual { display: none; }
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .portfolio-grid { grid-template-columns: repeat(2, 1fr); }
  .about-grid { grid-template-columns: 1fr; gap: 40px; }
  .about__content { padding-right: 0; }
  .contact-grid { grid-template-columns: 1fr; gap: 40px; }
  .contact__info { padding-right: 0; }
}

@media (max-width: 768px) {
  .nav__links { display: none; }
  .nav__burger { display: flex; }

  .nav__links.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: rgba(15, 23, 41, 0.98);
    backdrop-filter: blur(20px);
    padding: 24px;
    border-bottom: 1px solid var(--border);
    gap: 16px;
  }

  .services-grid { grid-template-columns: 1fr; }
  .portfolio-grid { grid-template-columns: 1fr; }
  .repos-grid { grid-template-columns: 1fr; }
  .hero__stats { gap: 24px; flex-wrap: wrap; }
  .hero__title { font-size: 2.2rem; }
  .section { padding: 80px 0; }
}

@media (max-width: 480px) {
  .hero__actions { flex-direction: column; }
  .hero__actions .btn { width: 100%; justify-content: center; }
}