/* ----------------------------------------
   Dark Theme Color Variables
   ---------------------------------------- */
:root {
  --bg: #0f172a;
  --bg-alt: #1e293b;
  --header-bg: #0e1524;
  --overlay: rgba(0, 0, 0, 0.8);  /* darker overlay */
  --text: #f8fafc;
  --text-alt: #cbd5e1;
  --accent: #f97316;
  --link-hover: #fb923c;
  --border: #334155;
}

/* ----------------------------------------
   Global
   ---------------------------------------- */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
html {
  scroll-behavior: smooth;
}
body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  line-height: 1.6;
  background: var(--bg);
  color: var(--text-alt);
}
.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 1rem;
}

/* ----------------------------------------
   NAVBAR
   ---------------------------------------- */
header {
  background: var(--header-bg);
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: 0 2px 4px rgba(0,0,0,0.4);
}
.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 0;
}
.logo {
  font-size: 1.5rem;
  color: var(--text);
}
.nav-links {
  list-style: none;
  display: flex;
  gap: 1.5rem;
}
.nav-links a {
  text-decoration: none;
  color: var(--text-alt);
  font-weight: 500;
  transition: color 0.2s;
}
.nav-links a:hover {
  color: var(--link-hover);
}

/* ----------------------------------------
   HERO
   ---------------------------------------- */
/* ——— HERO (full‐screen) ——— */
.hero {
  position: relative;
  background: url('image/computer.jpg') center/cover no-repeat;
  height: 100vh;                  /* full viewport height */
  display: flex;
  align-items: center;
  justify-content: center;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.8);
}
.hero-content {
  position: relative;
  text-align: center;
  max-width: 700px;
}
.hero-content h2 {
  font-size: 3rem;
  line-height: 1.2;
  margin-bottom: 1rem;
  color: var(--text);
}
.hero-content p {
  font-size: 1.25rem;
  margin-bottom: 1.5rem;
  color: var(--text-alt);
}
.btn {
  display: inline-block;
  background: var(--accent);
  color: var(--text);
  padding: 0.75rem 1.5rem;
  border-radius: 4px;
  text-decoration: none;
  font-weight: 500;
  transition: background 0.2s;
}
.btn:hover {
  background: var(--link-hover);
}

/* ----------------------------------------
   SERVICES
   ---------------------------------------- */
#services {
  padding: 4rem 0 2rem;
}
#services h2 {
  text-align: center;
  margin-bottom: 2rem;
  font-size: 2rem;
  color: var(--accent);
}
.service-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1.5rem;
  align-items: stretch;   /* ensure all cards match height */
}
.card {
  background: var(--bg-alt);
  border-radius: 6px;
  padding: 1.5rem;
  box-shadow: 0 2px 6px rgba(0,0,0,0.4);
  border: 1px solid var(--border);
  
  display: flex;
  flex-direction: column;
}
.card:hover {
  transform: translateY(-4px);
  box-shadow: 0 4px 12px rgba(0,0,0,0.6);
}

.card h3 {
  margin-bottom: 0.75rem;
  color: var(--accent);
}
.card ul {
  list-style: disc inside;
  margin-left: 0.5rem;
  margin-bottom: 0;    
  flex: 1;              /* stretch the list to fill available space */
}
.card ul li {
  margin: 0.4rem 0;
  color: var(--text-alt);
}

/* keep the icon pinned to the bottom, centered */
.service-icon {
  width: 100px;
  height: 100px;
  margin-top: auto;
  margin-left: auto;
  margin-right: auto;
}

/* ----------------------------------------
   ABOUT
   ---------------------------------------- */
#about {
  padding: 4rem 0;
}
.about-box {
  background: var(--bg-alt);
  max-width: 850px;
  margin: 0 auto;
  padding: 2.5rem 2rem;
  border-radius: 6px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.4);
}
.about-box h2 {
  text-align: center;
  color: var(--accent);
  margin-bottom: 1.5rem;
}
.about-box p,
.about-box ul li {
  color: var(--text-alt);
}
.about-box ul {
  list-style: none;
  margin-top: 1rem;
}
.about-box ul li {
  margin-bottom: 0.8rem;
}
.about-box ul li strong {
  color: var(--text);
}

/* ----------------------------------------
   CONTACT
   ---------------------------------------- */
#contact {
  padding: 3rem 0;
}
#contact h2 {
  text-align: center;
  margin-bottom: 1rem;
  font-size: 2rem;
  color: var(--accent);
}
#contact p {
  text-align: center;
  margin-bottom: 1rem;
  color: var(--text-alt);
}
#contact .btn {
  margin-top: 0.5rem;
}

/* ----------------------------------------
   FOOTER
   ---------------------------------------- */
footer {
  background: var(--header-bg);
  border-top: 1px solid var(--border);
  padding: 1.5rem 0;
}
.footer-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
}
.footer-links {
  list-style: none;
  display: flex;
  gap: 1rem;
}
.footer-links a {
  text-decoration: none;
  color: var(--text-alt);
  transition: color 0.2s;
}
.footer-links a:hover {
  color: var(--link-hover);
}

.footer-info {
  text-align: center;
  color: var(--text-alt);
  margin: 1rem 0;
}
.footer-info a {
  color: var(--accent);
  text-decoration: none;
}
.footer-info a:hover {
  color: var(--link-hover);
}

footer p {
  margin-top: 0.5rem;
  font-size: 0.9rem;
  color: var(--text-alt);
}