:root {
  --bg-primary: #fff;
  --bg-secondary: #f9f9f9;
  --bg-card: #fff;
  --text-primary: #222;
  --text-secondary: #555;
  --text-muted: #aaa;
  --border-color: #eee;
  --border-light: #ccc;
  --accent-color: #0077ff;
  --accent-hover: #005fcc;
  --shadow-light: rgba(0, 0, 0, 0.08);
  --footer-bg: #111;
  --footer-text: #eee;
  --footer-border: #333;
  --footer-muted: #888;
}

[data-theme="dark"] {
  --bg-primary: #1a1a1a;
  --bg-secondary: #2d2d2d;
  --bg-card: #2a2a2a;
  --text-primary: #e0e0e0;
  --text-secondary: #b0b0b0;
  --text-muted: #888;
  --border-color: #404040;
  --border-light: #555;
  --accent-color: #4da6ff;
  --accent-hover: #66b3ff;
  --shadow-light: rgba(0, 0, 0, 0.3);
  --footer-bg: #0d0d0d;
  --footer-text: #e0e0e0;
  --footer-border: #404040;
  --footer-muted: #999;
}
/* ==============================
   Global Styles
============================== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

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

body {
  font-family: "Segoe UI", Roboto, sans-serif;
  line-height: 1.6;
  color: var(--text-primary);
  background: var(--bg-primary);
  transition: background-color 0.3s ease, color 0.3s ease;
}

.container {
  width: 90%;
  max-width: 1100px;
  margin: 0 auto;
}

h1,
h2,
h3 {
  line-height: 1.3;
  margin-bottom: 0.5em;
}

h1 strong {
  color: var(--accent-color);
}

p {
  margin-bottom: 1em;
}

a {
  text-decoration: none;
  color: inherit;
}

ul {
  list-style: none;
}

.site-header {
  background: var(--bg-primary);
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: 100;
  transition: background-color 0.3s ease, border-color 0.3s ease;
}

.header-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1em 0;
}

.brand {
  font-size: 1.5rem;
  font-weight: 700;
}

.brand .accent {
  color: var(--accent-color);
}

.main-nav {
  display: flex;
  align-items: center;
}

.main-nav .menu-toggle {
  display: none;
  background: none;
  border: 1px solid var(--border-light);
  padding: 0.4em 0.8em;
  font-size: 1rem;
  border-radius: 4px;
  cursor: pointer;
  color: var(--text-primary);
  transition: all 0.3s ease;
}

.dark-mode-toggle {
  background: none;
  border: none;
  padding: 0.5em;
  margin-left: 1.4em;
  border-radius: 6px;
  cursor: pointer;
  color: var(--text-primary);
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-right: 1em;
}

.dark-mode-toggle:hover {
  background: var(--bg-secondary);
  border-color: var(--accent-color);
}

.dark-mode-toggle .sun-icon {
  display: block;
}

.dark-mode-toggle .moon-icon {
  display: none;
}

[data-theme="dark"] .dark-mode-toggle .sun-icon {
  display: none;
}

[data-theme="dark"] .dark-mode-toggle .moon-icon {
  display: block;
}

.nav-list {
  display: flex;
  gap: 1.5em;
}

.nav-list a {
  padding: 0.3em 0;
  transition: color 0.2s ease;
}

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

/* ==============================
   Hero Section
============================== */
.hero {
  padding: 4em 0;
  background: var(--bg-secondary);
  transition: background-color 0.3s ease;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 2em;
  align-items: center;
}

.hero-text h1 {
  margin-bottom: 0.5em;
  white-space: nowrap;
  overflow: hidden;
}

.animated-text {
  display: inline-block;
  min-width: 280px;
  text-align: left;
  position: relative;
  white-space: nowrap;
}

#animatedText {
  color: var(--accent-color);
}

.animated-text::after {
  content: "|";
  color: var(--accent-color);
  font-weight: normal;
  animation: blink 1s infinite;
  margin-left: 2px;
}

@keyframes blink {
  0%,
  50% {
    opacity: 1;
  }
  51%,
  100% {
    opacity: 0;
  }
}

.lead {
  color: var(--text-secondary);
}

.cta-row {
  margin-top: 1.5em;
}

.btn {
  display: inline-block;
  padding: 0.75em 1.5em;
  border-radius: 6px;
  font-weight: 600;
  transition: all 0.3s ease;
}

.btn.primary {
  background: var(--accent-color);
  color: #fff;
  font-size: 0.9rem;
}

.btn.primary:hover {
  background: var(--accent-hover);
}

.btn.outline {
  border: 2px solid var(--accent-color);
  color: var(--accent-color);
  margin-left: 1em;
  font-size: 0.9rem;
}

.btn.outline:hover {
  background: var(--accent-color);
  color: #fff;
}

.hero-image {
  position: relative;
  width: 100%;
  max-width: 600px;
  margin-left: auto;
}

.hero-image::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(
    to right,
    var(--bg-secondary) 0%,
    rgba(249, 249, 249, 0.8) 15%,
    rgba(249, 249, 249, 0.3) 35%,
    transparent 60%
  );
  border-radius: 12px;
  z-index: 1;
  pointer-events: none;
}

[data-theme="dark"] .hero-image::before {
  background: linear-gradient(
    to right,
    var(--bg-secondary) 0%,
    rgba(45, 45, 45, 0.8) 15%,
    rgba(45, 45, 45, 0.3) 35%,
    transparent 60%
  );
}

.hero-image img {
  width: 100%;
  height: auto;
  border-radius: 12px;
  position: relative;
  z-index: 0;
  min-height: 400px;
  object-fit: cover;
}

/* ==============================
   Services Section
============================== */
.services {
  padding: 3em 0;
}

.services h2 {
  text-align: center;
  margin-bottom: 1.5em;
}

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5em;
}

.card {
  padding: 1.5em;
  border: 1px solid var(--border-color);
  border-radius: 10px;
  background: var(--bg-card);
  transition: box-shadow 0.3s ease, background-color 0.3s ease, border-color 0.3s ease;
}

.card:hover {
  box-shadow: 0 6px 16px var(--shadow-light);
}

/* ==============================
   Featured Projects
============================== */
.featured {
  padding: 3em 0;
}

.featured h2 {
  text-align: center;
  margin-bottom: 2em;
}

.project-preview {
  display: grid;
  gap: 2em;
}

.preview-card {
  display: flex;
  gap: 1.5em;
  border: 1px solid var(--border-color);
  border-radius: 10px;
  overflow: hidden;
  background: var(--bg-card);
  transition: box-shadow 0.3s ease;
}

.preview-card:hover {
  box-shadow: 0 6px 16px var(--shadow-light);
}

.preview-card img {
  width: 250px;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

.preview-info {
  padding: 1em;
}

.preview-info .link {
  color: var(--accent-color);
  font-weight: 600;
}

/* ==============================
   Footer
============================== */
.site-footer {
  background: var(--footer-bg);
  color: var(--footer-text);
  padding: 3em 0 1em;
  margin-top: 3em;
  transition: background-color 0.3s ease, color 0.3s ease;
}

.footer-inner {
  display: flex;
  flex-direction: column;
  gap: 2em;
}

.footer-content {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 3em;
  align-items: start;
}

.footer-brand .brand {
  font-size: 1.8rem;
  font-weight: 700;
  margin-bottom: 0.5em;
  display: block;
}

.footer-tagline {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin: 0;
}

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

.footer-section h3 {
  color: var(--footer-text);
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 1em;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.footer-section ul {
  display: flex;
  flex-direction: column;
  gap: 0.5em;
}

.footer-section li a {
  color: var(--text-muted);
  font-size: 0.9rem;
  transition: color 0.3s ease;
  display: flex;
  align-items: center;
  gap: 0.5em;
}

.footer-section li a:hover {
  color: var(--accent-color);
}

.social-links svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 2em;
  border-top: 1px solid var(--footer-border);
  flex-wrap: wrap;
  gap: 1em;
}

.footer-bottom-content {
  display: flex;
  flex-direction: column;
  gap: 0.25em;
}

.footer-bottom p {
  margin: 0;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.footer-location {
  font-size: 0.8rem !important;
  color: var(--footer-muted) !important;
}

.footer-tech {
  font-size: 0.8rem;
  color: var(--footer-muted);
}

.footer-tech p {
  margin: 0;
}

/* ==============================
   Responsive
============================== */
@media (max-width: 768px) {
  .hero-grid {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero-text h1 {
    font-size: 1.4rem;
    white-space: normal;
    overflow: visible;
  }

  .animated-text {
    min-width: 200px;
    white-space: nowrap;
  }

  .btn.primary,
  .btn.outline {
    font-size: 0.85rem;
    padding: 0.65em 1.2em;
  }

  .main-nav {
    flex-direction: row;
    align-items: center;
    gap: 0.5em;
  }

  .dark-mode-toggle {
    margin-right: 0.5em;
  }

  .main-nav .menu-toggle {
  display: block;
  background: none;
  border: none;
  padding: 0.4em 0.8em;
  cursor: pointer;
  color: var(--text-primary);
  transition: all 0.3s ease;
}

  .main-nav .nav-list {
    position: fixed;
    top: 0;
    right: -100%;
    height: 100vh;
    width: 75%;
    max-width: 320px;
    background: var(--bg-primary);
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 2rem;
    transition: right 0.3s ease-in-out;
    box-shadow: -2px 0 10px rgba(0, 0, 0, 0.1);
    z-index: 1000;
    display: flex;
  }

  .main-nav .nav-list.show {
    right: 0;
  }

  .nav-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 999;
    display: none;
  }
  .nav-overlay.show {
    display: block;
  }

  .menu-toggle .close-icon {
    display: none;
  }
  .menu-toggle.active .hamburger-icon {
    display: none;
  }
  .menu-toggle.active .close-icon {
    display: block;
  }

  .preview-card {
    flex-direction: column;
    text-align: center;
  }

  .preview-card img {
    width: 100%;
    max-height: 250px;
    object-fit: cover;
  }

  .preview-info {
    padding: 1em 1.5em;
  }

  .footer-content {
    grid-template-columns: 1fr;
    gap: 2em;
    text-align: center;
  }

  .footer-links {
    grid-template-columns: 1fr;
    gap: 1.5em;
  }

  .footer-bottom {
    flex-direction: column;
    text-align: center;
    gap: 1em;
  }

  .footer-bottom-content {
    align-items: center;
  }
}

@media (max-width: 480px) {
  .footer-links {
    grid-template-columns: 1fr;
  }

  .social-links {
    justify-content: center;
  }

  .hero-text h1 {
    font-size: 1.8rem;
  }

  .animated-text {
    min-width: 180px;
  }
}