:root {
  --primary-color: #2A3F54;
  --text-primary: #333333;
  --text-secondary: #4F4F4F;
  --text-muted: #828282;
  --border-color: #BDBDBD;
  --accent-color: #0080bf;
  --background-soft: #F8F9FA;
  --background-white: #FFFFFF;
  --highlight-dark: #002b49;
}

/* Reset & base */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
body {
  font-family: 'Inter', sans-serif;
  background: var(--background-soft);
  color: var(--text-primary);
  line-height: 1.6;
}

/* Header */
header {
  background: var(--background-white);
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.05);
  position: sticky;
  top: 0;
  z-index: 9999;
}
header .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 2rem;
}
.container {
  padding-left: 2rem;
  padding-right: 2rem;
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
}
.logo {
  font-size: 1.8rem;
  font-weight: bold;
  color: var(--primary-color);
  cursor: pointer;
  position: relative;
  overflow: hidden;
}
.logo::before {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 80%;
  height: 100%;
  background: linear-gradient(120deg, transparent 0%, rgba(255,255,255,0.4) 50%, transparent 100%);
  transform: skewX(-20deg);
  animation: logoGlare 4s linear infinite;
}
@keyframes logoGlare {
  0% { left: -100%; }
  100% { left: 120%; }
}
.logo:hover {
  color: var(--accent-color);
  transform: scale(1.05);
  transition: all 0.3s ease;
}
.logo.clicked {
  animation: clickBounce 0.6s ease;
}
@keyframes clickBounce {
  0% { transform: scale(1); }
  30% { transform: scale(1.2); }
  60% { transform: scale(0.95); }
  100% { transform: scale(1); }
}

/* Navigation */
.desktop-nav {
  display: flex;
  gap: 1.5rem;
}
.desktop-nav a {
  position: relative;
  text-decoration: none;
  color: var(--text-secondary);
  font-weight: 500;
}
.desktop-nav a::after {
  content: "";
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--accent-color);
  transform: scaleX(0);
  transition: transform 0.3s ease;
  transform-origin: left;
}
.desktop-nav a:hover::after {
  transform: scaleX(1);
}
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
}
.hamburger div {
  width: 25px;
  height: 3px;
  background-color: var(--primary-color);
  border-radius: 2px;
}
.mobile-nav {
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0;
  right: -100%;
  width: 75%;
  height: 100vh;
  background: var(--background-white);
  padding: 2rem;
  z-index: 9999;
  transition: right 0.3s ease;
  box-shadow: -5px 0 20px rgba(0,0,0,0.1);
}
.mobile-nav.active {
  right: 0;
}
.mobile-nav a {
  font-size: 1.2rem;
  padding: 1rem 0;
  color: var(--text-primary);
  text-decoration: none;
  border-bottom: 1px solid var(--border-color);
}

/* Hero Section */
.hero-section {
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: var(--background-soft);
  position: relative;
}
.hero-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: nowrap;
  gap: 2rem;
  padding: 4rem 2rem;
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
}
.hero-text {
  /* flex: 1 1 400px; */
  max-width: 500px;
  position: relative;
}
.hero-text h2 {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}
.hero-text p {
  font-size: 1.1rem;
  margin-bottom: 2rem;
}
.explore-link {
  font-weight: 500;
  color: var(--accent-color);
  text-decoration: none;
  font-size: 1rem;
  transition: transform 0.3s ease;
}
.explore-link:hover {
  transform: translateX(5px);
  text-decoration: underline;
}
.explore-link {
  transition: opacity 0.3s ease;
}
.hero-image {
  flex: 1 1 400px;
  text-align: center;
}
.hero-image img {
  max-width: 80%;
  height: auto;
  border-radius: 12px;
  /* box-shadow: 0 8px 25px rgba(0, 0, 0, 0.07); */
}

/* Projects */
.projects {
  padding: 4rem 0;
  background: var(--background-white);
}
.projects h2 {
  text-align: center;
  font-size: 2rem;
  color: var(--text-primary);
}
.project-grid {
  display: grid;
  gap: 2rem;
  margin-top: 2rem;
  grid-template-columns: repeat(1, 1fr); /* default: mobile */
}

@media (min-width: 600px) {
  .project-grid {
    grid-template-columns: repeat(2, 1fr); /* tablets */
  }
}

@media (min-width: 1024px) {
  .project-grid {
    grid-template-columns: repeat(3, 1fr); /* desktop */
  }
}

.project-card {
  background: var(--background-white);
  border-radius: 12px;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.08);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  display: flex;
  flex-direction: column;
  height: 100%;
  width: 100%;
  overflow: hidden;
  padding: 0;
}
.project-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.12);
}
.project-thumb {
  height: 200px;
  overflow: hidden;
}
.project-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.project-card h3 {
  padding:  0.7rem  0.7rem 0;
}
.project-card p {
  padding:  0  0.7rem 0.7rem;
}
.project-card h3 {
  font-size: 1.2rem;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
}
.project-card p {
  font-size: 0.95rem;
  color: var(--text-secondary);
  flex-grow: 1;
}
.project-btn {
  display: inline-block;
  margin: 0 1rem 1.5rem;
  padding: 0.6rem 1.4rem;
  font-size: 0.95rem;
  background-color: var(--accent-color);
  color: var(--background-white);
  text-decoration: none;
  border-radius: 30px;
  font-weight: 500;
  position: relative;
  overflow: hidden;
  transition: background 0.3s ease, transform 0.3s ease, box-shadow 0.3s ease;
  box-shadow: 0 0 0 transparent;
}

.project-btn i {
  margin-left: 0.5rem;
  transition: transform 0.3s ease;
}

.project-btn:hover {
  background-color: var(--highlight-dark);
  transform: translateY(-2px);
  box-shadow: 0 0 15px rgba(0, 128, 191, 0.4); /* teal glow */
}

.project-btn::before {
  content: "";
  position: absolute;
  top: 0;
  left: -75%;
  width: 50%;
  height: 100%;
  background: linear-gradient(120deg, rgba(255,255,255,0.3) 0%, rgba(255,255,255,0.0) 100%);
  transform: skewX(-20deg);
  transition: left 0.5s ease;
}

.project-btn:hover::before {
  left: 125%;
}

.project-btn:hover i {
  transform: translateX(4px);
}


/* Skills */
.skills {
  padding: 4rem 0;
  background: var(--background-soft);
  text-align: center;
}
.skills h2 {
  font-size: 2rem;
  margin-bottom: 2.5rem;
  color: var(--text-primary);
}
.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
  gap: 2rem;
  justify-items: center;
}
.skill-item {
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(6px);
  box-shadow: 0 8px 16px rgba(0, 0, 0, 0.05);
  border-radius: 50%;
  width: 100px;
  height: 100px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  position: relative;
}
.skill-item:hover {
  transform: scale(1.1);
  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.1);
}
.skill-item i {
  font-size: 2rem;
  transition: transform 0.3s ease;
}
.skill-item span {
  font-size: 0.75rem;
  margin-top: 0.3rem;
  color: var(--text-muted);
}
.skill-item::after {
  content: attr(data-tooltip);
  position: absolute;
  bottom: 110%;
  left: 50%;
  transform: translateX(-50%);
  background: var(--text-primary);
  color: var(--background-white);
  padding: 5px 10px;
  font-size: 0.75rem;
  border-radius: 5px;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease, transform 0.3s ease;
  z-index: 100;
}
.skill-item:hover::after {
  opacity: 1;
  transform: translateX(-50%) translateY(-5px);
}

/* Contact */
.contact {
  padding: 5rem 0;
  background-color: var(--background-white);
}
.contact-wrapper {
  display: flex;
  gap: 4rem;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
}
.contact-image {
  flex: 1 1 350px;
  text-align: center;
}
.contact-image img {
  max-width: 100%;
  height: auto;
  border-radius: 12px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.07);
}
.contact-form-area {
  flex: 1 1 400px;
  max-width: 500px;
}
.contact-form-area h2 {
  font-size: 2rem;
  margin-bottom: 2rem;
  color: var(--text-primary);
  text-align: left;
}
.styled-form {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}
.form-group {
  position: relative;
}
.form-group input,
.form-group textarea {
  width: 100%;
  padding: 1rem 1rem 0.75rem;
  font-size: 1rem;
  border: 1px solid var(--border-color);
  border-radius: 10px;
  background: var(--background-white);
  color: var(--text-primary);
  outline: none;
  transition: border-color 0.3s ease;
}
.form-group label {
  position: absolute;
  top: 1rem;
  left: 1rem;
  background: var(--background-white);
  padding: 0 6px;
  font-size: 1rem;
  color: var(--text-muted);
  transition: all 0.3s ease;
  pointer-events: none;
}
.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--accent-color);
}
.form-group input:focus + label,
.form-group input:not(:placeholder-shown) + label,
.form-group textarea:focus + label,
.form-group textarea:not(:placeholder-shown) + label {
  top: -0.6rem;
  left: 1rem;
  font-size: 0.75rem;
  color: var(--accent-color);
}
.styled-form button {
  align-self: flex-start;
  background: var(--accent-color);
  color: var(--background-white);
  border: none;
  padding: 0.8rem 1.6rem;
  font-size: 1rem;
  border-radius: 30px;
  cursor: pointer;
  font-weight: 500;
  transition: background 0.3s ease, transform 0.3s ease;
}
.styled-form button i {
  margin-left: 0.5rem;
}
.styled-form button:hover {
  background: var(--highlight-dark);
  transform: translateY(-2px);
}
@media (max-width: 768px) {
  .contact-wrapper {
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: center;
    gap: 2rem;
  }

  .contact-image, .contact-form-area {
    flex: 1 1 300px;
    max-width: 100%;
  }

  .contact-form-area h2 {
    text-align: left;
  }

  .styled-form button {
    align-self: flex-start;
  }
}

@media (max-width: 600px) {
  .contact-image {
    display: none;
  }
}

/* Footer */
.footer {
  background: var(--background-soft);
  padding: 2rem 0;
  text-align: center;
  font-size: 0.95rem;
  color: var(--text-muted);
  border-top: 1px solid var(--border-color);
}
.footer p {
  margin: 0;
}

.modal {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 99999;
  width: 100%;
  height: 100%;
  background: rgba(42, 63, 84, 0.8);
  display: none;
  justify-content: center;
  align-items: center;
}

.modal-content {
  background: var(--background-white);
  padding: 2rem;
  border-radius: 12px;
  text-align: center;
  box-shadow: 0 15px 25px rgba(0, 0, 0, 0.2);
  max-width: 400px;
  width: 90%;
}

.modal-content p {
  color: var(--text-primary);
  margin-bottom: 1rem;
  font-size: 1rem;
}

#closeModal {
  padding: 0.6rem 1.2rem;
  border: none;
  background: var(--accent-color);
  color: white;
  border-radius: 30px;
  cursor: pointer;
  transition: background 0.3s ease;
}

#closeModal:hover {
  background: var(--highlight-dark);
}