:root {
  --primary: #3b82f6;
  --secondary: #60a5fa;
  --background: #0d1117;
  --card: #161b22;
  --text: #ffffff;
  --paragraph: #b8c1cc;
  --border: rgba(255, 255, 255, 0.08);
  --shadow: 0 20px 40px rgba(0, 0, 0, 0.35);
  --primary-glow: rgba(96, 165, 250, 0.85);
  --radius: 18px;
}
body.dark-mode {
  --bg-color: #121212;
  --text-color: #ffffff;
  --card-bg: rgba(255, 255, 255, 0.05);
}

/* Dark Theme Variables */
body.dark-mode {
  --bg-color: #121212;
  --text-color: #ffffff;
  --button-bg: #ffffff;
  --button-text: #121212;
}
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: "Poppins", sans-serif;
}
html {
  scroll-behavior: smooth;
}

body {
  background: var(--background);
  color: var(--text);
  overflow-x: hidden;
  padding-top: 80px;
  transition:
    background 0.3s ease,
    color 0.3s ease;
  max-width: 1300px;
  margin: 0 auto;
}

/* NAVBAR */
nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 25px 8%;
  position: fixed; /* keeps it fixed */
  top: 0; /* sticks to the top */
  left: 0; /* aligns to left edge */
  width: 100%; /* spans full width */
  background: rgba(8, 8, 8, 0.05); /*give it a background so text is readable*/
  z-index: 1000; /* ensures it stays above other elements */
  backdrop-filter: blur(8px);
}

.logo {
  font-weight: 700;
  font-size: 20px;
  color: var(--primary);
}
.logo strong {
  color: var(--paragraph);
}

nav ul {
  list-style: none;
  display: flex;
  gap: 35px;
  font-size: 14px;
  opacity: 0.85;
}

nav ul li {
  cursor: pointer;
  transition: 0.3s;
}

nav ul li a {
  text-decoration: none;
  color: var(--text-color);
}

nav ul li a:hover {
  color: var(--primary);
}

.nav-btn {
  background: var(--primary);
  border: none;
  padding: 10px 20px;
  border-radius: 20px;
  color: white;
  font-weight: 500;
  cursor: pointer;
}

/* THEME TOGGLE (3 lines icon) */
.theme-toggle {
  font-size: 20px;
  cursor: pointer;
  color: var(--text-color);
  margin-left: 20px;
}

.hamburger {
  width: 30px;
  height: 22px;
  display: none;
  flex-direction: column;
  justify-content: space-between;
  cursor: pointer;
}

.hamburger span {
  height: 3px;
  width: 100%;
  background: white;
  border-radius: 5px;
}

/* Show hamburger only on mobile */
@media (max-width: 768px) {
  .hamburger {
    display: flex;
  }

  nav ul {
    display: none;
  }
}

@media (max-width: 768px) {
  nav ul {
    position: absolute;
    top: 80px;
    left: 0;
    width: 100%;
    background: var(--background);
    flex-direction: column;
    text-align: center;
    padding: 20px 0;
  }

  nav ul.active {
    display: flex;
  }
}

/* Animate when active */
body.dark-mode .theme-toggle span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

body.dark-mode .theme-toggle span:nth-child(2) {
  opacity: 0;
}

body.dark-mode .theme-toggle span:nth-child(3) {
  transform: rotate(-45deg) translate(6px, -6px);
}

/* HERO SECTION */
.hero {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 70px 8%;
  flex-wrap: wrap;
}

.hero-text {
  max-width: 500px;
}

.hero-text h1 {
  font-size: 48px;
  font-weight: 700;
}

.hero-text span {
  color: var(--primary);
}

.hero-text h4 {
  margin-top: 10px;
  font-weight: 400;
  opacity: 0.8;
}

.hero-text p {
  margin-top: 20px;
  font-size: 14px;
  opacity: 0.7;
}

.hero-buttons {
  margin-top: 30px;
  display: flex;
  gap: 15px;
}

.btn-primary {
  background: var(--primary);
  border: none;
  padding: 12px 25px;
  border-radius: 25px;
  color: #fff;
  cursor: pointer;
  margin-right: 10px;
  transition: transform 0.9s;
}
.btn-primary:hover {
  transform: scale(1.1);
  background-color: var(--card);
  border: 1px solid var(--primary);
  box-shadow: 0 4px 20px var(--primary-glow);
}

.btn-primary a {
  text-decoration: none;
  color: white;
}

.btn-outline {
  background: transparent;
  border: 1px solid var(--primary);
  padding: 12px 25px;
  border-radius: 25px;
  color: var(--primary);
  cursor: pointer;
  transition: transform 0.9s;
}
.btn-outline a {
  text-decoration: none;
  color: var(--primary);
}
.btn-outline:hover {
  background: var(--card-bg);
  color: white;
  transform: scale(1.1);
  box-shadow: 0 4px 20px var(--primary-glow);
}

/* STATS */
.stats {
  margin-top: 30px;
  display: flex;
  gap: 40px;
  font-size: 14px;
}

.stats div span {
  display: block;
  font-size: 20px;
  font-weight: 600;
  color: var(--primary);
}

@media (max-width: 768px) {
  .hero {
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
  }

  .hero-text {
    max-width: 100%;
  }

  .hero-buttons {
    justify-content: center;
  }

  .stats {
    justify-content: center;
  }

  .hero-img img {
    max-width: 80%;
    height: auto;
  }
}

/* HERO IMAGE */
.hero-img {
  position: relative;
}

.hero-img img {
  width: 300px;
  position: relative;
  z-index: 1;
  margin: 40px 30px;
  border-radius: 10px;
}

/* SERVICES */
.services {
  padding: 80px 8%;
  text-align: center;
}

.services h2 {
  font-size: 32px;
}

.services p {
  opacity: 0.6;
  margin-top: 10px;
  font-size: 14px;
}

.service-grid {
  margin-top: 45px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 25px;
}

.card {
  background: var(--card);
  padding: 25px;
  border-radius: 18px;
  text-align: left;
  backdrop-filter: blur(8px);
  transition: 0.7s;
}

.card:hover {
  background: rgba(59, 130, 246, 0.15);
  transform: translateY(-8px);
  border-bottom: 1.3px solid var(--primary);
}

.icon-box {
  width: 40px;
  height: 40px;
  background: var(--primary);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.icon-box i {
  color: white;
  font-size: 20px;
}
.card h3 {
  padding-top: 0.5rem;
}

/* SECTION HEADER */

.section-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: 50px;
  color: var(--text-color);
  padding: 80px 8%;
}

.label {
  font-size: 12px;
  letter-spacing: 2px;
  color: var(--secondary);
  margin-bottom: 10px;
}

.section-title {
  font-size: 28px;
  font-weight: 600;
}

.archive-link {
  font-size: 14px;
  color: #8b9bb0;
  cursor: pointer;
  transition: 0.3s;
}
.archive-link a {
  text-decoration: none;
  color: #8b9bb0;
}

.archive-link a:hover {
  color: var(--secondary);
}

/* PROJECT GRID */

.project-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  color: var(--text-color);
  padding: 80px 8%;
}

/* CARD */

.project-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 20px;
  transition: 0.3s ease;
}

.project-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 4px 80px var(--card);
}
.project-image {
  background: #0f2c38;
  border-radius: 12px;
  overflow: hidden;
  height: 250px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}

/* IMAGE PREVIEW */

/* =============================== */
/* FLOATING IMAGE ACTION BUTTON */
/* =============================== */

.project-image {
  position: relative;
  overflow: hidden;
}

/* Floating circle button */
.floating-btn {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) scale(0.8);
  width: 55px;
  height: 55px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 18px;
  text-decoration: none;
  opacity: 0;
  transition: 0.3s ease;
}

/* Tooltip */
.tooltip {
  position: absolute;
  top: -45px;
  background: #fff;
  color: #000;
  padding: 8px 14px;
  border-radius: 20px;
  font-size: 13px;
  white-space: nowrap;
  opacity: 0;
  transform: translateY(10px);
  transition: 0.3s ease;
}

/* Arrow under tooltip */
.tooltip::after {
  content: "";
  position: absolute;
  bottom: -6px;
  left: 50%;
  transform: translateX(-50%);
  border-width: 6px;
  border-style: solid;
  border-color: #fff transparent transparent transparent;
}

/* Hover behavior */
.project-card:hover .floating-btn {
  opacity: 1;
  transform: translate(-50%, -50%) scale(1);
}

.floating-btn:hover .tooltip {
  opacity: 1;
  transform: translateY(0);
}

.project-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* CATEGORY BADGE */

.badge {
  display: inline-block;
  font-size: 11px;
  padding: 4px 8px;
  border-radius: 6px;
  margin-bottom: 12px;
  font-weight: 500;
  letter-spacing: 1px;
}

.fullstack {
  background: #123c49;
  color: #2dd4bf;
}
.dataviz {
  background: #1b3242;
  color: #38bdf8;
}
.mobile {
  background: #1f2f3a;
  color: var(--secondary);
}

/* TITLE */

.project-title {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 10px;
}

.project-description {
  font-size: 14px;
  color: #8b9bb0;
  line-height: 1.6;
  margin-bottom: 15px;
}

/* TECH TAGS */

.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tag {
  background: #102f3b;
  border: 1px solid #173c4a;
  padding: 5px 10px;
  font-size: 12px;
  border-radius: 6px;
  color: #9fb3c8;
}

@media (max-width: 768px) {
  body {
    padding: 0;
  }
  nav ul,
  .nav-btn {
    display: none;
  }
  .hero-text {
    padding-left: -16rem;
  }
  .logo {
    font-size: 16px;
  }
  .hero {
    padding-top: 7rem;
  }
}

/* ABOUT */
.about {
  padding: 100px 8%;
  display: flex;
  gap: 60px;
  flex-wrap: wrap;
  align-items: center;
}

.about-images {
  position: relative;
}

.about-images img {
  width: 260px;
  border-radius: 20px;
}

.experience-badge {
  position: absolute;
  bottom: -20px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--card);
  padding: 10px 20px;
  border-radius: 12px;
  font-size: 14px;
  text-align: center;
  color: rgb(255, 254, 254);
  font-weight: bold;
  font-style: italic;
  border: 0.1px solid var(--primary-glow);
  box-shadow: 0 0px 30px var(--primary-glow);
}

.about-text {
  max-width: 340px;
}

.about-text h2 {
  font-size: 32px;
  margin-bottom: 15px;
}

.about-text p {
  opacity: 0.7;
  font-size: 14px;
  margin-bottom: 20px;
}

@media (max-width: 1200px) {
  .tech-grid {
    grid-template-columns: repeat(3, 90px);
  }
}

@media (max-width: 992px) {
  .about {
    flex-direction: column;
    align-items: center;
  }

  .tech-grid {
    grid-template-columns: repeat(3, 90px);
    justify-content: center;
  }

  .about-text,
  .tech-section {
    max-width: 100%;
    text-align: center;
  }
}

/* RESPONSIVE */
@media (max-width: 900px) {
  .hero {
    flex-direction: column;
    text-align: center;
  }
  .hero-img {
    margin-top: 40px;
  }
  .about {
    flex-direction: column;
  }
}
/* Section Titles */
.section {
  margin-top: 60px;
}

.section h2 {
  font-size: 22px;
  margin-bottom: 30px;
  border-left: 4px solid #00cfff;
  padding-left: 12px;
}
/* PREMIUM SKILL BARS */

.skill-item {
  margin-bottom: 18px;
}

.about-skills h3 {
  color: var(--primary);
  padding-bottom: 18px;
  font-size: 25px;
}

.skill-bar {
  height: 8px;
  width: 20rem;
  background: rgba(128, 128, 128, 0.15);
  border-radius: 30px;
  overflow: hidden;
}

body.dark-mode .skill-bar {
  background: rgba(255, 255, 255, 0.1);
}

.skill-progress {
  height: 100%;
  width: 0;
  border-radius: 30px;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  transition: width 1.5s ease;
}

.html {
  width: 95%;
}
.js {
  width: 90%;
}
.react {
  width: 85%;
}
.node {
  width: 75%;
}

/* Testimonials */
.testimonials {
  padding: 60px 8%;
  text-align: center;
}

.testimonial-header h2 {
  font-size: 28px;
  margin-bottom: 10px;
}

.testimonial-header p {
  max-width: 600px;
  margin: 0 auto 40px;
  opacity: 0.8;
}

.testimonial-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 300px));
  justify-content: center;
  gap: 30px;
}

.testi-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 25px;
  border-radius: 10px;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
  background: var(--card);
  width: 100%;
  border: 1.3px solid var(--border);
  text-align: center;
  transition: transform 0.9s;
}
.testi-card:hover {
  transform: scale(1.06);
  box-shadow: 0 4px 80px var(--card);
}
.testi-card img {
  width: 70px;
  height: 70px;
  border-radius: 50%;
  margin-bottom: 15px;
  object-fit: cover;
}

.testi-card h4 {
  margin: 5px 0;
  font-size: 18px;
}

.testi-card span {
  font-size: 14px;
  color: #777;
}

.testi-card p {
  font-size: 14px;
  margin: 15px 0;
  opacity: 0.8;
}

.stars {
  color: var(--primary);
  font-size: 16px;
}

/* Footer */
footer {
  color: var(--text-color);
  padding: 50px 8% 20px;
  border-top: 0.7px solid var(--border);
  margin-top: 8rem;
}

.footer-container {
  display: flex;
  flex-wrap: wrap;
  gap: 40px;
  justify-content: space-between;
}

.footer-container h3,
.footer-container h4 {
  margin-bottom: 15px;
  color: var(--primary);
}

.footer-container p,
ul {
  color: var(--paragraph);
}

.footer-about,
.footer-nav,
.footer-contact,
.footer-subscribe {
  flex: 1 1 200px;
}

.footer-nav ul {
  list-style: none;
  padding: 0;
}

.footer-nav ul li {
  margin-bottom: 8px;
}

.footer-nav ul li a {
  color: var(--text-color);
  text-decoration: none;
}

.footer-nav ul li a:hover {
  color: var(--primary-glow);
}

.footer-subscribe form {
  display: flex;
  gap: 10px;
}

.footer-subscribe input {
  padding: 10px;
  border: none;
  border-radius: 5px;
  flex: 1;
}

.footer-subscribe button {
  background: var(--primary-glow);
  border: none;
  padding: 10px 15px;
  border-radius: 5px;
  color: #fff;
  cursor: pointer;
  transition: transform 0.9s;
}

.footer-subscribe button:hover {
  transform: scale(1.09);
  box-shadow: 0 4px 20px var(--primary-glow);
}

.footer-bottom {
  text-align: center;
  margin-top: 30px;
  font-size: 14px;
  opacity: 0.7;
}

.footer-bottom a {
  color: var(--primary);
  text-decoration: none;
}