:root {
  --red: #e60023;
  --black: #111;
  --white: #fff;
  --transition: 0.3s ease;
}

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

body {
  font-family: 'Poppins', sans-serif;
  background-color: var(--white);
  color: var(--black);
  opacity: 0;
  transition: background-color var(--transition), color var(--transition), opacity 0.3s ease-in-out;
}

body.dark {
  background-color: var(--black);
  color: var(--white);
}

body.fade-in { opacity: 1; }
body.fade-out { opacity: 0; }

/* Navbar */
.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.2rem 2rem;
  background: var(--black);
  color: var(--white);
}

.logo {
  font-size: 1.5rem;
  font-weight: bold;
  color: var(--red);
}

/* === LOGO ANIMATION === */
.pulse {
  animation: pulse 3s infinite ease-in-out;
}

@keyframes pulse {
  0%, 100% { transform: scale(1); text-shadow: 0 0 0 var(--red); }
  50% { transform: scale(1.05); text-shadow: 0 0 10px var(--red); }
}


.nav-links a {
  color: var(--white);
  text-decoration: none;
  margin: 0 1rem;
  transition: color var(--transition);
}

.nav-links a.active {
  color: var(--red);
  border-bottom: 2px solid var(--red);
}

.nav-links a:hover {
  color: var(--red);
}

/* Hero Section */
.hero {
  position: relative;
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  overflow: hidden;
}

.hero-banner {
  position: absolute;
  inset: 0;
  background: url("assets/banner.jpg") center/cover no-repeat;
  opacity: 1; /* full visibility */
  transition: transform 0.5s ease;
}

.hero-overlay {
 display: none;
}

body.dark-theme .hero-overlay {
  display: none;
}

.hero-content {
  position: relative;
  z-index: 1;
  color: white;
}

.hero-content h1 {
  font-size: 3rem;
  color: white;
  animation: fadeInDown 1.2s ease;
}

.hero-content p {
  font-size: 1.25rem;
  margin-top: 10px;
  animation: fadeInUp 1.4s ease;
  color: white;
}

/* Optional: simple fade-in animations */
@keyframes fadeInDown {
  from { opacity: 0; transform: translateY(-20px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

.btn {
  display: inline-block;
  margin-top: 20px;
  padding: 0.75rem 1.5rem;
  font-size: 1.1rem;
  color: var(--white);
  background: var(--red);
  border: none;
  border-radius: 5px;
  text-decoration: none;
  transition: background var(--transition), transform var(--transition);
}

.btn:hover {
  font-size: 1.25rem;
  margin-top: 10px;
  animation: fadeInUp 1.4s ease;
  background: #ff3040;
}

/* Page Content */
.page-content {
  max-width: 800px;
  margin: 4rem auto;
  padding: 2rem;
  text-align: center;
}

/* Projects */
.project-list {
  display: grid;
  gap: 1.5rem;
  margin-top: 2rem;
}

.project-card {
  border: 2px solid var(--red);
  border-radius: 10px;
  padding: 1.5rem;
  transition: transform var(--transition), background var(--transition);
}

.project-card:hover {
  transform: translateY(-5px);
  background: rgba(230, 0, 35, 0.05);
}

/* Footer */
footer {
  text-align: center;
  padding: 1rem;
  background: var(--black);
  color: var(--white);
}

/* === Animated Theme Toggle === */
.theme-toggle {
  width: 50px;
  height: 26px;
  background-color: var(--white);
  border-radius: 20px;
  position: relative;
  cursor: pointer;
  transition: background-color var(--transition), box-shadow var(--transition);
  display: flex;
  align-items: center;
  justify-content: flex-start;
  padding: 2px;
}

body.dark .theme-toggle {
  background-color: var(--black);
  justify-content: flex-end;
}

.toggle-circle {
  width: 22px;
  height: 22px;
  background-color: var(--red);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform var(--transition), background-color var(--transition);
  color: var(--white);
}

.icon {
  width: 14px;
  height: 14px;
  fill: var(--white);
  position: absolute;
  opacity: 0;
  transition: opacity var(--transition);
}

.sun { opacity: 1; }
body.dark .sun { opacity: 0; }
body.dark .moon { opacity: 1; }

.theme-toggle:hover {
  box-shadow: 0 0 8px var(--red);
}

/* --- Featured Projects Section --- */
.featured-projects {
  position: relative;
  padding: 80px 20px;
  text-align: center;
  background: var(--bg-color);
  color: var(--text-color);
  overflow: hidden;
}

.featured-projects h2 {
  font-size: 2em;
  color: var(--accent-color);
  margin-bottom: 40px;
  text-transform: uppercase;
  letter-spacing: 2px;
}

.projects-slider {
  overflow: hidden;
  position: relative;
  width: 100%;
}

.slide-track {
  display: flex;
  width: calc(250px * 10);
  animation: scroll 30s linear infinite;
}

/* Pause animation on hover */
.projects-slider:hover .slide-track {
  animation-play-state: paused;
}

.slide {
  height: 200px;
  width: 250px;
  margin: 0 15px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 12px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
  transition: transform 0.3s ease;
}

.slide img:hover {
  transform: scale(1.05);
}

@keyframes scroll {
  0% {
    transform: translateX(0);
  }
  100% {
    transform: translateX(calc(-250px * 5));
  }
}

.slide a {
  display: block;
  border-radius: 12px;
  overflow: hidden;
}

.slide a:hover img {
  transform: scale(1.08);
  box-shadow: 0 6px 20px rgba(255, 0, 0, 0.4);
}

/* --- Project Image Hover Overlay (Red Accent) --- */
.image-container {
  position: relative;
  border-radius: 12px;
  overflow: hidden;
}

.overlay {
  position: absolute;
  inset: 0;
  background: rgba(255, 0, 0, 0.65); /* red accent */
  opacity: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 0.3s ease, background 0.3s ease;
}

body.dark-theme .overlay {
  background: rgba(255, 50, 50, 0.35); /* softer red for dark mode */
}

.project-title {
  color: #fff;
  font-size: 1.2em;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  text-shadow: 0 0 8px rgba(0, 0, 0, 0.5);
}

.image-container:hover .overlay {
  opacity: 1;
}

.image-container:hover img {
  transform: scale(1.08);
  filter: brightness(0.9);
}

/* --- Technologies Section --- */
.technologies {
  padding: 80px 20px;
  text-align: center;
  background: var(--bg-color);
  color: var(--text-color);
}

.technologies h2 {
  font-size: 2em;
  color: var(--accent-color);
  margin-bottom: 40px;
  text-transform: uppercase;
  letter-spacing: 2px;
}

.tech-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 30px;
  justify-items: center;
  align-items: center;
  padding: 0 40px;
}

.tech-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.tech-item img {
  width: 70px;
  height: 70px;
  object-fit: contain;
  filter: grayscale(100%) brightness(0.8);
  transition: filter 0.3s ease;
}

.tech-item span {
  font-weight: 600;
  font-size: 1em;
}

.tech-item:hover {
  transform: scale(1.1);
}

.tech-item:hover img {
  filter: none;
}

.tech-item:hover span {
  color: var(--accent-color);
}

/* --- Updated Service Icons & Link --- */
.icon svg {
  width: 45px;
  height: 45px;
  stroke: var(--accent-color);
  margin-bottom: 15px;
  transition: transform 0.3s ease, stroke 0.3s ease;
}

/* SERVICES SECTION */
.services {
  text-align: center;
  padding: 80px 20px;
  background-color: var(--bg-color);
  transition: background-color 0.3s ease;
}

.services h2 {
  font-size: 2.2em;
  margin-bottom: 30px;
  color: var(--text-color);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 30px;
  max-width: 1000px;
  margin: 0 auto 40px auto;
}

.service-card {
  background-color: var(--card-bg);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 12px;
  padding: 25px;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
  transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}

.service-card:hover {
  transform: translateY(-8px);
  border-color: var(--accent-color);
  box-shadow: 0 6px 20px rgba(255, 0, 0, 0.2);
}

.service-card h3 {
  color: var(--accent-color);
  margin-bottom: 12px;
}

.service-card p {
  color: var(--text-color);
  font-size: 0.95em;
  line-height: 1.5;
}

.view-all-btn {
  display: inline-block;
  background-color: var(--accent-color);
  color: white;
  padding: 10px 25px;
  border-radius: 25px;
  text-decoration: none;
  font-weight: 500;
  transition: background-color 0.3s ease, transform 0.2s ease;
}

.view-all-btn:hover {
  background-color: #ff4d4d;
  transform: translateY(-3px);
}

.section-subtitle {
  font-size: 1.2em;
  color: var(--text-color);
  margin-top: 5px;
  margin-bottom: 30px;
}