/* Reset */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  scroll-behavior: smooth;
}

/* Base styles */
body {
  font-family: 'Poppins', sans-serif;
  background-color: #f9f9fb;
  color: #333;
  line-height: 1.6;
}

/* Header */
header {
  background: #111;
  color: #fff;
  position: sticky;
  top: 0;
  z-index: 1000;
}

.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 2rem;
}

.logo {
  font-size: 1.5rem;
  font-weight: bold;
}

.nav-links {
  list-style: none;
  display: flex;
  gap: 1.5rem;
}

.nav-links a {
  color: #fff;
  text-decoration: none;
  transition: 0.3s;
}

.nav-links a:hover {
  color: #00adb5;
}

.menu-toggle {
  display: none;
  font-size: 1.8rem;
  cursor: pointer;
}

/* Mobile Menu */
@media (max-width: 768px) {
  .nav-links {
    display: none;
    flex-direction: column;
    background: #111;
    width: 100%;
    position: absolute;
    top: 60px;
    left: 0;
  }
  .nav-links.active {
    display: flex;
  }
  .menu-toggle {
    display: block;
  }
}

/* Hero Section */
.hero {
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(to right, #00adb5, #393e46);
  color: #fff;
  overflow: hidden;
}

.hero-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 80%;
  max-width: 1200px;
  flex-wrap: wrap;
  gap: 2rem;
}

/* Text Area */
.hero-text {
  flex: 1;
  min-width: 280px;
}

.hero-text h1 {
  font-size: 3rem;
  line-height: 1.2;
}

.hero-text span {
  color: #f8b500;
}

.hero-text p {
  margin: 1rem 0;
  font-size: 1.2rem;
}

.btn {
  background: #f8b500;
  color: #111;
  padding: 0.8rem 1.5rem;
  border-radius: 25px;
  text-decoration: none;
  display: inline-block;
  margin-top: 1rem;
  transition: 0.3s;
}

.btn:hover {
  background: #fff;
  color: #111;
}

/* Hero Image */
.hero-image {
  flex: 1;
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-image img {
  width: 350px;
  height: 350px;
  border-radius: 50%;
  object-fit: cover;
  border: 6px solid #f8b500;
  box-shadow: 0 0 30px rgba(0, 0, 0, 0.4);
  transition: transform 0.4s ease, box-shadow 0.4s ease;
}

.hero-image img:hover {
  transform: scale(1.05);
  box-shadow: 0 0 40px rgba(248, 181, 0, 0.6);
}

/* Responsive Image */
@media (max-width: 768px) {
  .hero-container {
    flex-direction: column-reverse;
    text-align: center;
  }

  .hero-image img {
    width: 250px;
    height: 250px;
    margin-bottom: 1rem;
  }

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

/* Sections */
section {
  padding: 4rem 2rem;
  text-align: center;
}

h2 {
  margin-bottom: 1.5rem;
  color: #00adb5;
}

.project-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1.5rem;
}

.project-card {
  background: #fff;
  padding: 1.5rem;
  border-radius: 10px;
  box-shadow: 0 4px 10px rgba(0,0,0,0.1);
  transition: transform 0.3s;
}

.project-card:hover {
  transform: translateY(-5px);
}

footer {
  background: #111;
  color: #fff;
  text-align: center;
  padding: 1rem 0;
}
/* Skills Section */
.skills {
  background: linear-gradient(to bottom, #222831, #393e46);
  color: #fff;
  text-align: center;
  padding: 4rem 2rem;
}

.skills h2 {
  font-size: 2.2rem;
  margin-bottom: 2rem;
  color: #00adb5;
}

/* Category Tabs */
.skill-categories {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 3rem;
}

.skill-categories button {
  background: none;
  border: 2px solid transparent;
  color: #ccc;
  font-size: 1rem;
  padding: 0.7rem 1.5rem;
  border-radius: 25px;
  cursor: pointer;
  transition: 0.3s;
}

.skill-categories button:hover {
  color: #00adb5;
}

.skill-categories button.active {
  background: #00adb5;
  color: #fff;
  font-weight: 600;
  border-color: #00adb5;
}

/* Skill Cards */
.skill-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1.5rem;
  max-width: 1000px;
  margin: 0 auto;
}

.skill-card {
  background: #222831;
  border-radius: 10px;
  padding: 1.5rem;
  box-shadow: 0 4px 10px rgba(0,0,0,0.3);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.skill-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 6px 20px rgba(0, 173, 181, 0.4);
}

.skill-card img {
  width: 60px;
  height: 60px;
  margin-bottom: 1rem;
}

.skill-card h3 {
  color: #fff;
  font-size: 1.1rem;
}

/* Skills Section */
.skills {
  background: linear-gradient(to bottom, #222831, #393e46);
  color: #fff;
  text-align: center;
  padding: 4rem 2rem;
}

.skills h2 {
  font-size: 2.2rem;
  margin-bottom: 2rem;
  color: #00adb5;
}

/* Tabs */
.skill-categories {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 2.5rem;
}

.skill-categories button {
  background: none;
  border: 2px solid transparent;
  color: #ccc;
  font-size: 1rem;
  padding: 0.7rem 1.4rem;
  border-radius: 25px;
  cursor: pointer;
  transition: 0.3s;
}

.skill-categories button:hover {
  color: #00adb5;
}

.skill-categories button.active {
  background: #00adb5;
  color: #fff;
  border-color: #00adb5;
  font-weight: 600;
}

/* Skill Cards */
.skill-grid {
  display: none;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.5rem;
  max-width: 1000px;
  margin: 0 auto;
}

.skill-grid.active {
  display: grid;
}

.skill-card {
  background: #222831;
  border-radius: 10px;
  padding: 1.2rem;
  box-shadow: 0 4px 10px rgba(0,0,0,0.3);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.skill-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 6px 20px rgba(0, 173, 181, 0.4);
}

.skill-card img {
  width: 60px;
  height: 60px;
  margin-bottom: 1rem;
}

.skill-card h3 {
  font-size: 1rem;
  color: #fff;
  font-weight: 500;
  line-height: 1.4;
}

.skill-card img {
  width: 60px;
  height: 60px;
  margin-bottom: 1rem;
  filter: invert(77%) sepia(15%) saturate(1486%) hue-rotate(136deg) brightness(90%) contrast(94%);
  /* This tints all monochrome icons to your teal-blue theme (#00adb5) */
}
/* Icon sizing */
.skill-card img {
  width: 60px;
  height: 60px;
  margin-bottom: 1rem;
  transition: transform 0.3s ease;
}

/* Tint only monochrome SVGs (Simple Icons) to your teal accent */
.skill-card img.mono {
  filter: invert(77%) sepia(15%) saturate(1486%) hue-rotate(136deg)
          brightness(90%) contrast(94%);
}

.skill-card img:hover {
  transform: scale(1.1);
}

.skill-card img {
  width: 60px;
  height: 60px;
  margin-bottom: 1rem;
  transition: transform 0.3s ease;
}

.skill-card img.mono {
  filter: invert(77%) sepia(15%) saturate(1486%) hue-rotate(136deg)
          brightness(90%) contrast(94%);
}

.skill-card img:hover {
  transform: scale(1.1);
}
/* Experience Section */
.experience-section {
  background: #1b1e23;
  color: #fff;
  text-align: center;
  padding: 5rem 2rem;
}

.experience-section h2 {
  font-size: 2.2rem;
  margin-bottom: 2rem;
  color: #fff;
}

/* Tabs */
.exp-tabs {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 3rem;
  flex-wrap: wrap;
}

.tab-btn {
  background: none;
  border: 2px solid #00adb5;
  color: #00adb5;
  padding: 0.7rem 1.8rem;
  border-radius: 25px;
  font-weight: 600;
  cursor: pointer;
  transition: 0.3s;
}

.tab-btn.active {
  background: #00adb5;
  color: #fff;
}

.tab-btn i {
  margin-right: 0.5rem;
}

/* Containers */
.exp-container {
  display: none;
  max-width: 1000px;
  margin: 0 auto;
}

.exp-container.active {
  display: block;
}

/* Cards */
.exp-card {
  background: #222831;
  border-radius: 15px;
  padding: 2rem;
  text-align: left;
  margin-bottom: 2rem;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
  transition: transform 0.3s ease;
}

.exp-card:hover {
  transform: translateY(-5px);
}

.exp-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.5rem;
}

.exp-header h3 {
  font-size: 1.2rem;
  color: #00adb5;
}

.exp-location {
  font-size: 0.9rem;
  color: #bbb;
}

.exp-card h4 {
  font-weight: 600;
  margin: 0.3rem 0;
  color: #fff;
}

.exp-date {
  display: block;
  color: #aaa;
  font-size: 0.9rem;
  margin-bottom: 0.7rem;
}

/* Tags */
.exp-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.exp-tags span {
  background: #00adb51a;
  color: #00adb5;
  font-size: 0.8rem;
  padding: 0.3rem 0.7rem;
  border-radius: 12px;
  font-weight: 500;
}

.exp-card ul {
  list-style: none;
  color: #ddd;
  line-height: 1.6;
}

.exp-card li {
  margin-bottom: 0.5rem;
}
.exp-card h5 {
  color: #00adb5;
  font-size: 1rem;
  margin-top: 1rem;
  margin-bottom: 0.5rem;
}
/* Contact Section */
.contact {
  background: linear-gradient(to right, #222831, #393e46);
  color: #fff;
  text-align: center;
  padding: 4rem 2rem;
}

.contact h2 {
  color: #00adb5;
  font-size: 2.2rem;
  margin-bottom: 1rem;
}

.contact p {
  font-size: 1rem;
  color: #ccc;
  margin-bottom: 2rem;
}

/* Contact Links */
.contact-links {
  display: flex;
  justify-content: center;
  gap: 2rem;
  flex-wrap: wrap;
}

.contact-icon {
  text-decoration: none;
  color: #fff;
  background: #222831;
  border-radius: 10px;
  padding: 1rem 1.5rem;
  display: flex;
  align-items: center;
  gap: 0.8rem;
  font-weight: 500;
  transition: all 0.3s ease;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
}

.contact-icon i {
  font-size: 1.5rem;
  color: #00adb5;
  transition: transform 0.3s ease;
}

.contact-icon:hover {
  background: #00adb5;
  color: #111;
  transform: translateY(-5px);
}

.contact-icon:hover i {
  color: #fff;
  transform: scale(1.1);
}
/* Projects Section */
.projects-section {
  background: #f9f9fb;
  color: #333;
  padding: 4rem 2rem;
}

.projects-section h2 {
  text-align: center;
  color: #00adb5;
  font-size: 2.2rem;
  margin-bottom: 2rem;
}

.project-card {
  background: #fff;
  border-radius: 15px;
  box-shadow: 0 4px 15px rgba(0,0,0,0.1);
  max-width: 900px;
  margin: 0 auto;
  padding: 2rem;
  transition: transform 0.3s ease;
}

.project-card:hover {
  transform: translateY(-5px);
}

.project-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  margin-bottom: 1rem;
}

.project-header a {
  color: #00adb5;
  text-decoration: none;
}

.project-header a:hover {
  text-decoration: underline;
}

.project-summary {
  font-size: 1rem;
  margin-bottom: 1rem;
  color: #444;
}

.project-details {
  list-style-type: disc;
  margin-left: 1.5rem;
  color: #555;
  line-height: 1.6;
}
/* Project Showcase Enhancements */
.project-showcase {
  background: linear-gradient(145deg, #1f2328, #2c3137);
  border-left: 4px solid #00adb5;
  padding: 2.2rem;
  color: #eee;
}

.project-showcase h4 {
  color: #f8b500;
  margin-bottom: 0.3rem;
}

.project-metrics {
  display: flex;
  justify-content: space-around;
  flex-wrap: wrap;
  margin: 1rem 0 1.5rem;
}

.metric {
  background: #00adb51a;
  color: #00adb5;
  padding: 0.6rem 1.2rem;
  border-radius: 10px;
  font-size: 0.9rem;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.metric i {
  font-size: 1.1rem;
}

/* Three-column data-science highlight grid */
.project-details-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1.2rem;
  margin-top: 1.2rem;
}

.project-detail {
  background: #222831;
  border-radius: 10px;
  padding: 1rem;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
  transition: transform 0.3s ease;
}

.project-detail:hover {
  transform: translateY(-4px);
}

.project-detail h5 {
  color: #00adb5;
  margin-bottom: 0.5rem;
  font-size: 1rem;
}

/* Tool icons row */
.tool-icons {
  text-align: center;
  margin-top: 1.5rem;
}

.tool-icons i {
  font-size: 1.6rem;
  margin: 0 0.5rem;
  color: #00adb5;
  transition: transform 0.3s, color 0.3s;
}

.tool-icons i:hover {
  transform: scale(1.2);
  color: #f8b500;
}

/* Fancy project link */
.fancy-link a {
  display: inline-block;
  margin-top: 1.5rem;
  text-decoration: none;
  font-weight: 600;
  color: #00adb5;
  transition: color 0.3s;
}

.fancy-link a:hover {
  color: #f8b500;
}