/* === ROOT VARIABLES === */
:root {
  --teal: #00bfa5;
  --gray: #555;
  --light-gray: #f5f5f5;
  --white: #ffffff;
  --font: 'Segoe UI', sans-serif;
}

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

body {
  font-family: var(--font);
  background-color: var(--light-gray);
  color: var(--gray);
  line-height: 1.6;
}

/* === NAVIGATION === */
nav {
  background-color: var(--teal);
  color: white;
  padding: 1rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
}

nav h1 {
  font-size: 1.5rem;
}

nav ul {
  list-style: none;
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

nav ul li a {
  color: white;
  text-decoration: none;
  font-weight: bold;
}

nav ul li a:hover {
  text-decoration: underline;
}

/* === HEADER === */
header {
  text-align: center;
  padding: 4rem 2rem;
  background: linear-gradient(to right, #e0f7fa, #b2ebf2);
}

header h2 {
  font-size: 2.5rem;
  color: var(--teal);
}

header p {
  font-size: 1.2rem;
  color: var(--gray);
}

/* === BUTTONS (3D ANIMATION) === */
.btn,
.icon-btn,
.form-container button {
  display: inline-block;
  background-color: var(--teal);
  color: white;
  padding: 0.6rem 1.4rem;
  text-decoration: none;
  border-radius: 50px;
  font-weight: 600;
  box-shadow: 0 6px 15px rgba(0, 191, 165, 0.4);
  transition: all 0.3s ease;
  transform-style: preserve-3d;
  position: relative;
  cursor: pointer;
  text-align: center;
  border: none;
}

.btn:hover,
.icon-btn:hover,
.form-container button:hover {
  transform: translateY(-5px) scale(1.05);
  box-shadow: 0 12px 24px rgba(0, 255, 255, 0.6), 0 0 15px rgba(0, 255, 255, 0.4);
  border: 2px solid #00e1ff;
}

.btn:active,
.icon-btn:active,
.form-container button:active {
  transform: scale(0.95);
  box-shadow: 0 3px 10px rgba(0, 191, 165, 0.3);
}

/* === SECTION TITLE === */
.section-title {
  font-size: 2rem;
  margin: 2rem 0 1rem;
  color: var(--teal);
  text-align: center;
}

/* === ABOUT === */
.about-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 2rem;
  text-align: center;
}

.about-content img {
  width: 280px;
  height: 280px;
  border-radius: 50%;
  object-fit: cover;
  border: 4px solid var(--teal);
  box-shadow: 0 0 25px #00fff7, 0 0 40px #0ff;
  animation: spinEarth 12s linear infinite;
}

@keyframes spinEarth {
  0% { transform: rotateY(0deg); }
  100% { transform: rotateY(360deg); }
}

.about-content p {
  font-size: 1.1rem;
  margin-bottom: 1rem;
  color: #222;
}

.about-links {
  margin-top: 1.5rem;
  display: flex;
  justify-content: center;
  gap: 15px;
  flex-wrap: wrap;
}

.icon-btn {
  background-color: var(--teal);
  color: #fff;
  font-size: 1.3rem;
  width: 45px;
  height: 45px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  transition: all 0.3s ease;
  text-decoration: none;
  border: 2px solid transparent;
  box-shadow: 0 0 12px rgba(0, 255, 255, 0.7);
}

.icon-btn:hover {
  transform: translateY(-5px) rotateY(15deg);
  box-shadow: 0 0 20px #00fff7, 0 0 30px #0ff;
  border: 2px solid #00e1ff;
}

/* === GRID LISTS (Skills & Hobbies) === */
.list-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1rem;
  list-style: none;
  padding: 0 2rem;
}

.list-grid li {
  background-color: var(--white);
  padding: 1rem;
  border-left: 4px solid var(--teal);
  border-radius: 5px;
}

/* === PROJECTS === */
.project-card {
  background: var(--white);
  border-left: 4px solid var(--teal);
  padding: 1rem;
  margin: 1rem 2rem;
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  border-radius: 6px;
}

.project-card img {
  width: 60px;
  height: 60px;
  object-fit: cover;
  border-radius: 6px;
  border: 2px solid var(--teal);
}

.project-card h3 {
  margin-bottom: 0.5rem;
  font-size: 1.2rem;
}

.project-card a {
  color: var(--teal);
  text-decoration: none;
}

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

/* === CERTIFICATIONS === */
.cert-card {
  background-color: var(--white);
  padding: 1rem;
  margin: 1rem 2rem;
  border-left: 4px solid var(--teal);
  border-radius: 6px;
  font-size: 1rem;
  line-height: 1.5;
}

.cert-card a {
  color: var(--teal);
  text-decoration: none;
}

.cert-card a:hover {
  text-decoration: underline;
}

/* === TESTIMONIALS === */
.testimonials {
  background: #ffffff;
  padding: 3rem 2rem;
  text-align: center;
}

.testimonial img {
  width: 200px;
  height: 200px;
  border-radius: 50%;
  object-fit: cover;
  border: 3px solid var(--teal);
  box-shadow: 0 0 15px #00fff7, 0 0 25px #00f2ff;
  transition: transform 0.5s ease;
}

.testimonial img:hover {
  transform: scale(1.05) translateY(-5px);
}

.testimonial h4 {
  margin-bottom: 0.5rem;
  color: #222;
}

.testimonial p {
  font-style: italic;
  color: #444;
  margin-bottom: 0.5rem;
}

.stars {
  color: gold;
  font-size: 1.2rem;
}

/* === PROJECT PARTNERS === */
#project-partner {
  padding: 2rem 1rem;
  background-color: #ffffff;
  text-align: center;
}

.partner-row {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  flex-wrap: wrap;
  margin-top: 1.5rem;
}

.partner-row img {
  width: 150px;
  height: 150px;
  object-fit: cover;
  border-radius: 50%;
  border: 4px solid var(--teal);
  box-shadow: 0 0 15px #00fff7, 0 0 25px #0ff;
  transition: transform 0.3s ease;
}

.partner-row img:hover {
  transform: scale(1.05);
}



/* === CONTACT FORM === */
.form-container {
  background-color: #ffffff;
  max-width: 500px;
  margin: 0 auto;
  padding: 30px;
  border-radius: 15px;
  box-shadow: 0 4px 20px rgba(0, 191, 165, 0.1);
}

.form-container form {
  display: flex;
  flex-direction: column;
}

.form-container input,
.form-container textarea {
  padding: 12px 15px;
  margin-bottom: 15px;
  border: 2px solid var(--teal);
  border-radius: 10px;
  font-size: 1rem;
  outline: none;
  transition: 0.2s ease;
}

.form-container input:focus,
.form-container textarea:focus {
  box-shadow: 0 0 6px var(--teal);
}

/* === FOOTER === */
footer {
  text-align: center;
  padding: 1rem;
  background-color: var(--light-gray);
  color: var(--gray);
  margin-top: 3rem;
}

/* === RESPONSIVE === */
@media screen and (max-width: 768px) {
  nav {
    flex-direction: column;
    align-items: flex-start;
  }

  .project-card {
    flex-direction: column;
    align-items: flex-start;
  }

  .btn {
    margin-bottom: 10px;
  }

  .about-content {
    text-align: center;
  }
}