/* Warm Orange & Amber Palette Tokens[cite: 14] */
:root {
  --orange-50: #FFF8F3;   /* Light background */
  --orange-100: #FFEBD9;  /* Soft secondary background */
  --orange-200: #FFD4AD;  /* Border / highlight tone */
  --orange-300: #FFB37A;  /* Soft badge accents */
  --orange-400: #FF8A3D;  /* Vibrant accent elements */
  --orange-500: #F05A00;  /* Main Brand Primary Orange */
  --orange-600: #C23A00;  /* Dark Button Hover / Links */
  --orange-700: #7A2100;  /* Deep rich brown-orange text */

  --bg-primary: var(--orange-50);
  --bg-secondary: var(--orange-100);
  --text-main: #2D1810;
  --text-muted: #735346;
  --accent: var(--orange-500);
  --accent-hover: var(--orange-600);
  --border-color: var(--orange-200);
  --card-bg: #FFFFFF;
  --shadow: 0 4px 12px -2px rgba(122, 33, 0, 0.06);
}

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

body {
  background-color: var(--bg-primary);
  color: var(--text-main);
  font-family: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
  line-height: 1.6;
}

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Header & Navbar */
.navbar {
  position: sticky;
  top: 0;
  background-color: rgba(255, 248, 243, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border-color);
  z-index: 100;
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 4rem;
}

.logo {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-main);
  text-decoration: none;
}

.logo span { color: var(--accent); }

.nav-links {
  display: flex;
  gap: 1.5rem;
}

.nav-link {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 600;
  transition: color 0.2s;
}

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

.menu-btn {
  display: none;
  background: none;
  border: none;
  font-size: 1.25rem;
  color: var(--text-main);
  cursor: pointer;
}

/* Hero Section */
.hero {
  padding: 6rem 0 4rem;
}

.badge {
  display: inline-block;
  padding: 0.25rem 0.85rem;
  background-color: var(--orange-100);
  color: var(--orange-700);
  border: 1px solid var(--orange-200);
  border-radius: 9999px;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
}

.hero h1 {
  font-size: 2.5rem;
  line-height: 1.2;
  margin-bottom: 1rem;
}

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

.hero-sub {
  color: var(--text-muted);
  font-size: 1.1rem;
  max-width: 600px;
  margin-bottom: 2rem;
}

.hero-actions {
  display: flex;
  gap: 1rem;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  border-radius: 0.5rem;
  font-weight: 600;
  font-size: 0.9rem;
  text-decoration: none;
  cursor: pointer;
  border: none;
  transition: all 0.2s;
}

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

.btn-secondary { background-color: var(--card-bg); color: var(--text-main); border: 1px solid var(--border-color); }
.btn-secondary:hover { background-color: var(--orange-100); }

/* Sections */
.section { padding: 4rem 0; }
.section-alt { background-color: var(--bg-secondary); }

.section-title {
  font-size: 1.75rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  color: var(--orange-700);
}

.section-subtitle {
  color: var(--text-muted);
  margin-bottom: 2rem;
  font-size: 0.95rem;
}

/* Grids & Cards */
.about-grid, .projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
  margin-top: 2rem;
}

.about-card, .project-card, .cert-card {
  background-color: var(--card-bg);
  border: 1px solid var(--border-color);
  padding: 1.5rem;
  border-radius: 0.75rem;
  box-shadow: var(--shadow);
}

.icon-box {
  font-size: 1.5rem;
  color: var(--accent);
  margin-bottom: 1rem;
}

.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
  margin-top: 2rem;
}

.tags { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-top: 1rem; }
.tag {
  background-color: var(--orange-50);
  border: 1px solid var(--border-color);
  color: var(--orange-700);
  padding: 0.25rem 0.75rem;
  border-radius: 0.375rem;
  font-size: 0.85rem;
  font-weight: 600;
}

.project-type {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.5rem;
  display: block;
}

.project-tech {
  display: flex;
  gap: 0.5rem;
  margin-top: 1rem;
}

.project-tech span {
  font-size: 0.75rem;
  background-color: var(--orange-100);
  padding: 0.2rem 0.5rem;
  border-radius: 0.25rem;
  color: var(--orange-700);
}

/* Certifications Layout */
.cert-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.25rem;
  margin-top: 1.5rem;
}

.cert-card {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.cert-badge-type {
  display: inline-block;
  align-self: flex-start;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--orange-700);
  background-color: var(--orange-100);
  border: 1px solid var(--orange-200);
  padding: 0.2rem 0.5rem;
  border-radius: 0.25rem;
  margin-bottom: 0.75rem;
}

.cert-card h3 {
  font-size: 1.05rem;
  margin-bottom: 0.35rem;
  line-height: 1.3;
}

.cert-meta {
  font-size: 0.8rem;
  color: var(--text-muted);
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.cert-desc {
  font-size: 0.85rem;
  color: #5C4339;
}

/* Timeline Layout */
.timeline {
  position: relative;
  padding-left: 1.5rem;
  border-left: 2px solid var(--border-color);
  margin-top: 2rem;
}

.timeline-item {
  position: relative;
  margin-bottom: 2rem;
}

.timeline-dot {
  position: absolute;
  left: -2rem;
  top: 0.25rem;
  width: 1rem;
  height: 1rem;
  border-radius: 50%;
  background-color: var(--accent);
  border: 3px solid var(--bg-primary);
}

.timeline-date {
  font-size: 0.8rem;
  color: var(--accent);
  font-weight: 700;
}

.role-org {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 0.5rem;
}

/* Contact Form */
.contact-box {
  max-width: 600px;
  margin: 2rem auto 0;
  background-color: var(--card-bg);
  padding: 2rem;
  border-radius: 0.75rem;
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow);
}

.form-group {
  margin-bottom: 1.25rem;
}

.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.form-group input, .form-group textarea {
  width: 100%;
  padding: 0.75rem;
  border: 1px solid var(--border-color);
  border-radius: 0.375rem;
  outline: none;
  font-family: inherit;
  background-color: var(--orange-50);
}

.form-group input:focus, .form-group textarea:focus {
  border-color: var(--accent);
}

.w-full { width: 100%; justify-content: center; }
.footer { padding: 2rem 0; border-top: 1px solid var(--border-color); font-size: 0.85rem; color: var(--text-muted); text-align: center; }
.social-links {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 1rem 1.5rem;
  margin-bottom: 1rem;
}
.social-links a {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-muted);
  text-decoration: none;
  transition: color 0.2s ease;
}
.social-links a:hover, .social-links a:focus-visible { color: var(--accent-hover); }

/* Responsive Mobile Breakpoints */
@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-links.active {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 4rem;
    left: 0;
    right: 0;
    background-color: var(--bg-primary);
    border-bottom: 1px solid var(--border-color);
    padding: 1rem;
  }
  .menu-btn { display: block; }
  .hero h1 { font-size: 2rem; }
}
/* Certificate Card Image Styles */
.cert-img-container {
  width: 100%;
  height: 170px;
  background-color: var(--orange-100);
  border-radius: 0.5rem;
  overflow: hidden;
  margin-bottom: 1rem;
  border: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: center;
}

.cert-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  transition: transform 0.3s ease;
}

.cert-card:hover .cert-img {
  transform: scale(1.03);
}