:root {
  --primary: #60a5fa;
  --secondary: #22d3ee;
  --accent: #4f46e5;
  --text: #e6eef8;
  --muted: #9fb0c8;
  --bg: #0f1724;
  --bg-soft: #0b1220;
  --panel: #0b1220;
  --surface: #0b1220;
  --border: rgba(255, 255, 255, 0.04);
  --radius: 12px;
  --radius-lg: 18px;
  --shadow-sm: 0 4px 20px rgba(0, 0, 0, .6);
  --shadow-md: 0 20px 60px rgba(0, 0, 0, .7);
  --glass: rgba(255, 255, 255, 0.04);
  --nav-bg: rgba(2, 6, 23, 0.7);
}

:root[data-theme="light"] {
  --bg: #ffffff;
  --panel: #ffffff;
  --text: #0f172a;
  --muted: #64748b;
  --accent: #2563eb;
  --primary: #2563eb;
  --bg-soft: #f8fafc;
  --border: rgba(15, 23, 42, 0.1);
  --glass: rgba(37, 99, 235, 0.05);
  --nav-bg: rgba(255, 255, 255, 0.8);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  height: 100%;
}

body {
  margin: 0;
  padding: 0;
  font-family: Inter, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  color: var(--text);
  background: radial-gradient(1200px 600px at 10% -10%, rgba(96, 165, 250, .06), transparent 40%),
    radial-gradient(800px 500px at 90% 10%, rgba(34, 211, 238, .04), transparent 45%),
    var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  line-height: 1.65;
  overflow-x: hidden;
  height: auto;
  min-height: 100%;
}

.container {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 20px;
}

h1,
h2,
h3,
h4 {
  color: var(--text);
  word-break: break-word;
  overflow-wrap: break-word;
  line-height: 1.25;
}

p {
  color: var(--muted);
  margin: 0 0 12px 0;
  word-break: break-word;
  overflow-wrap: break-word;
}

strong {
  color: var(--text);
}

a {
  color: var(--primary);
  transition: color 0.2s ease;
}

a:hover {
  color: var(--secondary);
}

/* Navigation */
nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--nav-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 0;
  gap: 12px;
}

.brand {
  display: flex;
  gap: 12px;
  align-items: center;
  flex-direction: column;
  align-items: flex-start;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  color: var(--primary);
  text-decoration: none;
  font-size: 1.05rem;
}

.logo-img {
  height: 36px;
  width: auto;
  object-fit: contain;
}

.subtitle {
  font-size: 0.85rem;
  color: var(--muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.nav-right {
  display: flex;
  align-items: center;
  gap: 16px;
}

.nav-menu {
  display: flex;
  gap: 20px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-menu a {
  text-decoration: none;
  color: var(--text);
  font-weight: 500;
  font-size: .95rem;
  padding: 8px 12px;
  border-radius: 8px;
  transition: all 0.2s;
}

.nav-menu a:hover {
  background: color-mix(in srgb, var(--text) 6%, transparent);
}

.nav-menu a.cta {
  background: var(--primary);
  color: #fff;
  padding: 8px 16px;
  border-radius: var(--radius);
}

.nav-menu a.cta:hover {
  background: color-mix(in srgb, var(--primary) 90%, black);
  transform: translateY(-1px);
}

/* Theme switch button */
.theme-switch {
  position: relative;
  width: 50px;
  height: 26px;
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: 13px;
  cursor: pointer;
  padding: 2px;
  display: flex;
  align-items: center;
  justify-content: flex-start;
  transition: all .3s ease;
}

.theme-switch:hover {
  border-color: var(--primary);
  background: color-mix(in srgb, var(--bg-soft) 110%, var(--primary));
}

.theme-switch:focus {
  outline: 3px solid color-mix(in srgb, var(--primary) 30%, transparent);
  outline-offset: 2px;
}

.theme-switch.active {
  justify-content: flex-end;
  background: var(--primary);
}

.sun-icon,
.moon-icon {
  width: 18px;
  height: 18px;
  color: var(--text);
  transition: all .3s ease;
  position: absolute;
}

.theme-switch.active .sun-icon {
  opacity: 0;
  transform: scale(0.8);
}

.theme-switch.active .moon-icon {
  color: #fff;
  opacity: 1;
  transform: scale(1);
}

.theme-switch .moon-icon {
  opacity: 0;
  transform: scale(0.8);
  color: var(--primary);
}

.theme-switch .sun-icon {
  opacity: 1;
  transform: scale(1);
}

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 6px;
  gap: 5px;
  width: 32px;
  height: 32px;
  justify-content: center;
}

.hamburger span {
  width: 24px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: all 0.3s ease;
}

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

.hamburger.active span:nth-child(2) {
  opacity: 0;
}

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

/* Sections */
section {
  padding: 80px 0;
}

section.alt {
  background: rgba(255, 255, 255, .015);
}

/* Hero */
.hero {
  position: relative;
  overflow: hidden;
  color: #fff;
  padding: 120px 0 140px;
  background: radial-gradient(600px 300px at 20% 20%, rgba(96, 165, 250, .12), transparent 60%),
    radial-gradient(700px 400px at 80% 10%, rgba(34, 211, 238, .10), transparent 55%),
    linear-gradient(135deg, var(--bg), var(--bg));
}

.hero h1 {
  font-size: 3.2rem;
  max-width: 820px;
  margin-bottom: 24px;
  line-height: 1.1;
}

.hero p {
  font-size: 1.2rem;
  max-width: 720px;
  color: rgba(255, 255, 255, .9);
  margin-bottom: 32px;
  line-height: 1.6;
}

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

.hero-actions a {
  display: inline-block;
  text-decoration: none;
  font-weight: 600;
  padding: 14px 28px;
  border-radius: var(--radius);
  transition: all 0.2s;
}

.btn-primary {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 8px 24px rgba(79, 70, 229, .18);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 32px rgba(79, 70, 229, .25);
  background: color-mix(in srgb, var(--accent) 90%, white);
}

.btn-secondary {
  background: rgba(255, 255, 255, .03);
  color: #fff;
  border: 1px solid rgba(255, 255, 255, .1);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, .08);
  transform: translateY(-2px);
}

/* Reveal Animations */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: all .8s cubic-bezier(0.4, 0, 0.2, 1);
}

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

/* About */
.about-grid {
  display: grid;
  grid-template-columns: 1.2fr .8fr;
  gap: 48px;
  align-items: center;
}

.stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 32px;
}

.stat {
  background: var(--bg-soft);
  border-radius: var(--radius-lg);
  padding: 24px;
  text-align: center;
  box-shadow: var(--shadow-sm);
  transition: all .3s ease;
  border: 1px solid var(--border);
}

.stat:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 28px color-mix(in srgb, var(--primary) 12%, transparent);
  border-color: var(--primary);
}

.stat strong {
  font-size: 2rem;
  color: var(--primary);
  display: block;
  margin-bottom: 6px;
}

.stat {
  font-size: .95rem;
  color: var(--muted);
}

/* Services / Portfolio */
.services {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 32px;
}

.card {
  background: linear-gradient(180deg, rgba(255, 255, 255, .03), rgba(255, 255, 255, .01));
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: all .3s ease;
  height: 100%;
}

.card:hover {
  border-color: var(--primary);
  transform: translateY(-6px);
  box-shadow: 0 16px 40px color-mix(in srgb, var(--primary) 15%, transparent);
}

.card svg.icon {
  width: 32px;
  height: 32px;
  color: var(--primary);
  margin-bottom: 20px;
}

.card h3 {
  margin-bottom: 14px;
  font-size: 1.2rem;
}

.card p {
  margin: 0;
  font-size: .95rem;
  line-height: 1.6;
}

/* Highlights */
.highlights {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin-top: 32px;
}

.highlight {
  background: var(--bg-soft);
  padding: 32px;
  border-radius: var(--radius-lg);
  border-left: 4px solid var(--primary);
  transition: all .3s ease;
  border: 1px solid var(--border);
  border-left-width: 4px;
}

.highlight:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 32px color-mix(in srgb, var(--primary) 10%, transparent);
  border-color: var(--primary);
}

.highlight h4 {
  margin: 0 0 12px 0;
  font-size: 1.15rem;
}

/* Logo Carousel */
.logo-track img {
  filter: grayscale(100%) brightness(1.2);
  transition: all 0.4s ease;
  max-width: 140px;
  height: auto;
}

:root[data-theme="light"] .logo-track img {
  filter: grayscale(100%) brightness(0.6);
}

.logo-track img:hover {
  filter: grayscale(0%);
  transform: scale(1.05);
}

/* Contact */
.contact-header {
  text-align: center;
  margin-bottom: 56px;
}

.contact-main {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 56px;
  align-items: start;
}

.contact-form-wrapper form {
  display: grid;
  gap: 20px;
}

.contact-form-wrapper label {
  font-size: .95rem;
  font-weight: 600;
  color: var(--text);
}

.contact-form-wrapper input,
.contact-form-wrapper textarea {
  padding: 16px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  font-family: inherit;
  font-size: 1rem;
  background: rgba(255, 255, 255, .02);
  transition: all 0.2s;
  width: 100%;
  color: var(--text);
}

.contact-form-wrapper input:focus,
.contact-form-wrapper textarea:focus {
  background: rgba(255, 255, 255, .06);
  border-color: var(--primary);
  outline: none;
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--primary) 15%, transparent);
}

.contact-form-wrapper button {
  background: var(--primary);
  color: #fff;
  padding: 16px 24px;
  border: none;
  border-radius: var(--radius);
  font-weight: 600;
  cursor: pointer;
  font-size: 1rem;
  transition: all 0.3s ease;
  margin-top: 10px;
}

.contact-form-wrapper button:hover {
  background: color-mix(in srgb, var(--primary) 85%, white);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(96, 165, 250, .25);
}

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

.contact-card {
  display: flex;
  gap: 20px;
  padding: 24px;
  background: rgba(255, 255, 255, .03);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  transition: all 0.3s ease;
}

.contact-card:hover {
  background: rgba(255, 255, 255, .06);
  border-color: var(--primary);
  transform: translateX(6px);
}

.contact-card svg.icon {
  width: 24px;
  height: 24px;
  color: var(--primary);
  flex-shrink: 0;
}

.contact-card h4 {
  margin-bottom: 6px;
}

/* Map */
.map-section {
  margin-top: 64px;
  padding-top: 56px;
  border-top: 1px solid var(--border);
}

.iframe-container {
  height: 400px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-md);
}

.iframe-container iframe {
  width: 100%;
  height: 100%;
  border: 0;
}

/* Footer */
footer {
  background: radial-gradient(600px 300px at 50% -10%, rgba(96, 165, 250, .06), transparent 60%), var(--bg);
  color: #cbd5f5;
  padding: 100px 0 40px;
  border-top: 1px solid var(--border);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr repeat(2, 1fr) 1.5fr;
  gap: 40px;
  margin-bottom: 60px;
}

footer a {
  color: var(--muted);
  text-decoration: none;
  transition: color 0.2s;
  display: block;
  margin-bottom: 8px;
}

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

.copyright {
  border-top: 1px solid var(--border);
  padding-top: 24px;
  font-size: .9rem;
  text-align: center;
  color: var(--muted);
}

/* Animations */
@keyframes scroll {
  from {
    transform: translateX(0);
  }

  to {
    transform: translateX(-50%);
  }
}

.logo-carousel:hover .logo-track {
  animation-play-state: paused;
}

/* Responsive adjustments */
@media (max-width: 1024px) {
  .hero h1 {
    font-size: 2.8rem;
  }

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

@media (max-width: 880px) {
  section {
    padding: 60px 0;
  }

  .about-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

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

  .contact-main {
    grid-template-columns: 1fr;
    gap: 40px;
  }
}

@media (max-width: 640px) {
  .nav-menu {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    background: var(--bg);
    padding: 0 24px;
    gap: 0;
    border-bottom: none;
    max-height: 0;
    opacity: 0;
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 99;
  }

  .nav-menu.active {
    max-height: 400px;
    opacity: 1;
    padding: 24px;
    gap: 16px;
    border-bottom: 1px solid var(--border);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
  }

  .hamburger {
    display: flex;
  }

  .hero h1 {
    font-size: 2.2rem;
  }

  .hero p {
    font-size: 1.1rem;
  }

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

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

  .logo-img {
    height: 32px;
  }

  .subtitle {
    font-size: 0.75rem;
  }
}