/* Base Styles and Variables */
:root {
  --primary-color: #4f46e5;
  --primary-light: #818cf8;
  --primary-dark: #3730a3;
  --secondary-color: #f43f5e;
  --secondary-light: #fb7185;
  --secondary-dark: #be123c;
  --dark-color: #1e293b;
  --light-color: #f8fafc;

  --text-color: #334155;
  --text-light: #f1f5f9;
  --background-color: #ffffff;
  --card-bg: #ffffff;
  --border-color: #e2e8f0;
  --shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
  --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
  --section-padding: 120px 0;
  --border-radius: 12px;
  --container-width: 1200px;
  --gradient-primary: linear-gradient(135deg, var(--primary-color), var(--primary-light));
  --gradient-secondary: linear-gradient(135deg, var(--secondary-color), var(--secondary-light));
}

.dark-theme {
  --primary-color: #818cf8;
  --primary-light: #a5b4fc;
  --primary-dark: #4f46e5;
  --secondary-color: #fb7185;
  --secondary-light: #fda4af;
  --secondary-dark: #f43f5e;
  --dark-color: #f8fafc;
  --light-color: #1e293b;
  --text-color: #f1f5f9;
  --text-light: #334155;
  --background-color: #0f172a;
  --card-bg: #1e293b;
  --border-color: #334155;
  --shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

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

html {
  scroll-behavior: smooth;
  font-size: 62.5%; /* 10px = 1rem */
}

body {
  font-family: "Poppins", sans-serif;
  line-height: 1.6;
  color: var(--text-color);
  background-color: var(--background-color);
  transition: var(--transition);
  font-size: 1.6rem;
  overflow-x: hidden;
}

a {
  text-decoration: none;
  color: var(--text-color);
  transition: var(--transition);
}

ul {
  list-style: none;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

.container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 2rem;
  position: relative;
  z-index: 2;
}

/* Custom Cursor */
.cursor {
  position: fixed;
  width: 1rem;
  height: 1rem;
  background: var(--primary-color);
  border-radius: 50%;
  pointer-events: none;
  z-index: 9999;
  transform: translate(-50%, -50%);
  transition: width 0.2s, height 0.2s;
  opacity: 0.7;
  display: none;
}

.cursor-follower {
  position: fixed;
  width: 3rem;
  height: 3rem;
  border: 2px solid var(--primary-color);
  border-radius: 50%;
  pointer-events: none;
  z-index: 9998;
  transform: translate(-50%, -50%);
  transition: all 0.2s ease-out;
  opacity: 0.3;
  display: none;
}

@media (min-width: 992px) {
  .cursor,
  .cursor-follower {
    display: block;
  }
}

/* Section Styles */
.section-header {
  text-align: center;
  margin-bottom: 6rem;
}

.section-subtitle {
  display: inline-block;
  font-size: 1.6rem;
  font-weight: 600;
  color: var(--primary-color);
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 1rem;
  position: relative;
}

.section-subtitle::before,
.section-subtitle::after {
  content: "";
  position: absolute;
  top: 50%;
  width: 3rem;
  height: 2px;
  background: var(--primary-color);
  transform: translateY(-50%);
}

.section-subtitle::before {
  left: -4rem;
}

.section-subtitle::after {
  right: -4rem;
}

.section-title {
  font-size: 3.6rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
  color: var(--text-color);
  position: relative;
}

.section-divider {
  position: relative;
  height: 15rem;
  margin-top: -1px;
}

.section-divider svg {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

.highlight {
  color: var(--primary-color);
  position: relative;
  display: inline-block;
}

.highlight::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 0.8rem;
  background: var(--primary-light);
  opacity: 0.3;
  z-index: -1;
}

.btn {
  display: inline-block;
  padding: 1.2rem 3rem;
  border-radius: 5rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  transition: var(--transition);
  cursor: pointer;
  border: none;
  outline: none;
  font-size: 1.4rem;
  position: relative;
  overflow: hidden;
  z-index: 1;
}

.btn i {
  margin-left: 0.8rem;
  transition: var(--transition);
}

.primary-btn {
  background: var(--gradient-primary);
  color: white;
  box-shadow: 0 4px 15px rgba(79, 70, 229, 0.4);
}

.primary-btn:hover {
  box-shadow: 0 7px 20px rgba(79, 70, 229, 0.6);
  transform: translateY(-3px);
}

.primary-btn:hover i {
  transform: translateX(5px);
}

.secondary-btn {
  background: transparent;
  color: var(--text-color);
  border: 2px solid var(--primary-color);
  box-shadow: none;
}

.secondary-btn:hover {
  background: var(--primary-color);
  color: white;
  transform: translateY(-3px);
  box-shadow: 0 7px 20px rgba(79, 70, 229, 0.4);
}

/* Header and Navigation */
header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background-color: var(--background-color);
  box-shadow: var(--shadow);
  transition: var(--transition);
  height: 8rem;
  display: flex;
  align-items: center;
}

header.scrolled {
  height: 7rem;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
}

nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
}

.logo {
  display: flex;
  align-items: center;
  position: relative;
}

.logo-text {
  font-size: 2.4rem;
  font-weight: 800;
  color: var(--primary-color);
  letter-spacing: 1px;
}

.logo-dot {
  width: 0.8rem;
  height: 0.8rem;
  background: var(--secondary-color);
  border-radius: 50%;
  margin-left: 0.2rem;
}

.nav-links {
  display: flex;
}

.nav-links li {
  margin-left: 3rem;
}

.nav-link {
  font-weight: 600;
  position: relative;
  font-size: 1.6rem;
  padding: 0.5rem 0;
}

.nav-link::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary-color);
  transition: var(--transition);
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

.nav-right {
  display: flex;
  align-items: center;
}

.theme-toggle {
  margin-left: 2rem;
  cursor: pointer;
  font-size: 1.8rem;
  color: var(--text-color);
  transition: var(--transition);
  width: 4rem;
  height: 4rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--card-bg);
  box-shadow: var(--shadow);
}

.theme-toggle:hover {
  color: var(--primary-color);
  transform: translateY(-3px);
}

.hamburger {
  display: none;
  cursor: pointer;
  margin-left: 2rem;
  width: 4rem;
  height: 4rem;
  border-radius: 50%;
  background: var(--card-bg);
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}

.hamburger .line {
  width: 2.5rem;
  height: 0.3rem;
  background: var(--text-color);
  margin: 0.3rem;
  border-radius: 3px;
  transition: var(--transition);
}

/* Hero Section */
.hero {
  height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 8rem;
  background-color: var(--background-color);
  overflow: hidden;
  position: relative;
}

.hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
}

.hero-shape {
  position: absolute;
  border-radius: 50%;
  filter: blur(60px);
  opacity: 0.2;
}

.hero-shape-1 {
  top: 20%;
  left: 10%;
  width: 30rem;
  height: 30rem;
  background: var(--primary-color);
  animation: float 8s ease-in-out infinite;
}

.hero-shape-2 {
  bottom: 10%;
  right: 10%;
  width: 25rem;
  height: 25rem;
  background: var(--secondary-color);
  animation: float 10s ease-in-out infinite 1s;
}

.hero-shape-3 {
  top: 50%;
  left: 50%;
  width: 20rem;
  height: 20rem;
  background: var(--primary-light);
  animation: float 12s ease-in-out infinite 2s;
}

@keyframes float {
  0% {
    transform: translate(0, 0);
  }
  50% {
    transform: translate(20px, -20px);
  }
  100% {
    transform: translate(0, 0);
  }
}

.hero .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 5rem;
}

.hero-content {
  flex: 1;
  z-index: 2;
}

.hero-subtitle {
  font-size: 1.8rem;
  font-weight: 600;
  color: var(--primary-color);
  margin-bottom: 1rem;
}

.hero-content h1 {
  font-size: 5.6rem;
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 1.5rem;
}

.hero-content h2 {
  font-size: 3.2rem;
  font-weight: 700;
  margin-bottom: 2rem;
  color: var(--text-color);
}

.hero-content p {
  font-size: 1.8rem;
  margin-bottom: 3rem;
  max-width: 60rem;
  color: var(--text-color);
  opacity: 0.8;
}

.hero-buttons {
  margin-bottom: 3rem;
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
}

.social-icons {
  display: flex;
  gap: 1.5rem;
}

.social-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 4.5rem;
  height: 4.5rem;
  border-radius: 50%;
  background: var(--card-bg);
  color: var(--text-color);
  box-shadow: var(--shadow);
  transition: var(--transition);
  font-size: 1.8rem;
}

.social-icon:hover {
  background: var(--primary-color);
  color: white;
  transform: translateY(-5px);
}

.hero-image {
  flex: 1;
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
  z-index: 2;
}

.hero-image-wrapper {
  position: relative;
  width: 30rem;
  height: 30rem;
}

.shape {
  width: 100%;
  height: 100%;
  background: var(--gradient-primary);
  border-radius: 30% 70% 70% 30% / 30% 30% 70% 70%;
  animation: morph 8s ease-in-out infinite;
  position: relative;
  z-index: 2;
}

.shape-shadow {
  position: absolute;
  bottom: -10%;
  left: 5%;
  width: 90%;
  height: 20%;
  background: rgba(0, 0, 0, 0.2);
  border-radius: 50%;
  filter: blur(15px);
  z-index: 1;
  animation: shadow 8s ease-in-out infinite;
}

@keyframes morph {
  0% {
    border-radius: 30% 70% 70% 30% / 30% 30% 70% 70%;
  }
  25% {
    border-radius: 70% 30% 30% 70% / 70% 70% 30% 30%;
  }
  50% {
    border-radius: 30% 30% 70% 70% / 60% 40% 60% 40%;
  }
  75% {
    border-radius: 40% 60% 60% 40% / 30% 70% 70% 30%;
  }
  100% {
    border-radius: 30% 70% 70% 30% / 30% 30% 70% 70%;
  }
}

@keyframes shadow {
  0%,
  100% {
    transform: scale(1);
  }
  50% {
    transform: scale(0.8);
  }
}

.scroll-down {
  position: absolute;
  bottom: 5rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  z-index: 2;
}

.mouse {
  width: 3rem;
  height: 5rem;
  border: 2px solid var(--text-color);
  border-radius: 2rem;
  display: flex;
  justify-content: center;
  padding-top: 0.8rem;
  margin-bottom: 1rem;
}

.wheel {
  width: 0.6rem;
  height: 0.6rem;
  background: var(--text-color);
  border-radius: 50%;
  animation: scroll 2s infinite;
}

@keyframes scroll {
  0% {
    transform: translateY(0);
    opacity: 1;
  }
  100% {
    transform: translateY(1.5rem);
    opacity: 0;
  }
}

.arrow {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.arrow span {
  display: block;
  width: 1rem;
  height: 1rem;
  border-bottom: 2px solid var(--text-color);
  border-right: 2px solid var(--text-color);
  transform: rotate(45deg);
  margin: -0.5rem;
  animation: arrow 2s infinite;
}

.arrow span:nth-child(2) {
  animation-delay: -0.2s;
}

.arrow span:nth-child(3) {
  animation-delay: -0.4s;
}

@keyframes arrow {
  0% {
    opacity: 0;
    transform: rotate(45deg) translate(-1rem, -1rem);
  }
  50% {
    opacity: 1;
  }
  100% {
    opacity: 0;
    transform: rotate(45deg) translate(1rem, 1rem);
  }
}

/* About Section */
.about {
  padding: var(--section-padding);
  background-color: var(--background-color);
  position: relative;
}

.about-content {
  display: flex;
  align-items: center;
  gap: 5rem;
}

.about-image {
  flex: 1;
  position: relative;
}

.image-container {
  position: relative;
  max-width: 40rem;
  margin: 0 auto;
  z-index: 2;
}

.image-container img {
  border-radius: var(--border-radius);
  box-shadow: var(--shadow);
}

.image-shape {
  position: absolute;
  top: -2rem;
  left: -2rem;
  width: 100%;
  height: 100%;
  border: 3px solid var(--primary-color);
  border-radius: var(--border-radius);
  z-index: 1;
}

.experience-badge {
  position: absolute;
  bottom: -3rem;
  right: -3rem;
  width: 12rem;
  height: 12rem;
  background: var(--gradient-primary);
  border-radius: 50%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: white;
  box-shadow: var(--shadow);
  z-index: 3;
}

.exp-number {
  font-size: 3.6rem;
  font-weight: 700;
  line-height: 1;
}

.exp-text {
  font-size: 1.4rem;
  text-align: center;
  line-height: 1.2;
}

.about-text {
  flex: 1;
}

.about-text h3 {
  font-size: 3rem;
  font-weight: 700;
  margin-bottom: 2rem;
}

.about-text p {
  margin-bottom: 2rem;
  font-size: 1.6rem;
  line-height: 1.8;
}

.about-details {
  margin: 3rem 0;
}

.detail {
  display: flex;
  align-items: center;
  margin-bottom: 1.5rem;
}

.detail i {
  width: 3rem;
  color: var(--primary-color);
  font-size: 1.8rem;
}

.detail span {
  font-size: 1.6rem;
}

.about-buttons {
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
}

/* CP Profiles Section */
.cp-profiles {
  padding: var(--section-padding);
  background-color: var(--background-color);
  position: relative;
}

.cp-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(25rem, 1fr));
  gap: 3rem;
  margin-top: 3rem;
}

.cp-card {
  background: var(--card-bg);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
  height: 100%;
}

.cp-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 0.5rem;
}

.cp-card.codeforces::before {
  background: #1890ff;
}

.cp-card.leetcode::before {
  background: #ffa116;
}

.cp-card.codechef::before {
  background: #5b4638;
}

.cp-card.atcoder::before {
  background: #222222;
}

.cp-card:hover {
  transform: translateY(-1rem);
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
}

.cp-card-inner {
  padding: 3rem;
  display: flex;
  flex-direction: column;
  height: 100%;
}

.cp-icon {
  font-size: 3rem;
  margin-bottom: 1.5rem;
  color: var(--primary-color);
  width: 7rem;
  height: 7rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: rgba(79, 70, 229, 0.1);
  margin: 0 auto 2rem;
}

.cp-card h3 {
  font-size: 2.2rem;
  margin-bottom: 1.5rem;
  text-align: center;
}

.cp-rating {
  background: var(--background-color);
  padding: 1.5rem;
  border-radius: var(--border-radius);
  margin-bottom: 2rem;
  text-align: center;
}

.rating-label {
  font-size: 1.4rem;
  color: var(--text-color);
  opacity: 0.7;
  margin-bottom: 0.5rem;
}

.rating-value {
  font-size: 2.4rem;
  font-weight: 700;
  color: var(--primary-color);
  margin-bottom: 0.5rem;
}

.rating-title {
  font-size: 1.6rem;
  font-weight: 600;
}

.cp-card p {
  text-align: center;
  margin-bottom: 2rem;
  flex-grow: 1;
}

.cp-link {
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  color: var(--primary-color);
  transition: var(--transition);
}

.cp-link i {
  margin-left: 0.8rem;
  transition: var(--transition);
}

.cp-card:hover .cp-link i {
  transform: translateX(5px);
}

/* Skills Section */
.skills {
  padding: var(--section-padding);
  background-color: var(--background-color);
  position: relative;
}

.skills-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(35rem, 1fr));
  gap: 3rem;
}

.skill-category {
  background: var(--card-bg);
  padding: 3rem;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow);
}

.skill-category h3 {
  font-size: 2.2rem;
  margin-bottom: 3rem;
  color: var(--primary-color);
  position: relative;
  padding-bottom: 1rem;
}

.skill-category h3::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 5rem;
  height: 3px;
  background: var(--primary-color);
}

.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(15rem, 1fr));
  gap: 2rem;
}

.skill-item {
  background: var(--background-color);
  padding: 2rem;
  border-radius: var(--border-radius);
  transition: var(--transition);
  text-align: center;
}

.skill-item:hover {
  transform: translateY(-0.5rem);
  box-shadow: var(--shadow);
}

.skill-icon {
  font-size: 3rem;
  color: var(--primary-color);
  margin-bottom: 1.5rem;
}

/* Custom C++ icon */
.skill-icon .fa-cpp:before {
  content: "C++";
  font-family: monospace;
  font-weight: bold;
  font-style: normal;
}

.skill-item h4 {
  margin-bottom: 1.5rem;
  font-size: 1.6rem;
}

.skill-progress {
  width: 100%;
  height: 0.8rem;
  background: var(--border-color);
  border-radius: 0.4rem;
  overflow: hidden;
  position: relative;
}

.progress {
  height: 100%;
  background: var(--gradient-primary);
  border-radius: 0.4rem;
  position: relative;
}

.progress-value {
  position: absolute;
  top: -2.5rem;
  right: 0;
  font-size: 1.4rem;
  font-weight: 600;
  color: var(--primary-color);
}

/* Projects Section */
.projects {
  padding: var(--section-padding);
  background-color: var(--background-color);
  position: relative;
}

.project-filters {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 4rem;
  gap: 1rem;
}

.filter-btn {
  background: var(--card-bg);
  color: var(--text-color);
  border: none;
  padding: 1rem 2rem;
  border-radius: 5rem;
  cursor: pointer;
  font-weight: 600;
  transition: var(--transition);
  font-size: 1.4rem;
  box-shadow: var(--shadow);
}

.filter-btn.active,
.filter-btn:hover {
  background: var(--primary-color);
  color: white;
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(30rem, 1fr));
  gap: 3rem;
  margin-bottom: 5rem;
}

.project-card {
  background: var(--card-bg);
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: var(--transition);
}

.project-card:hover {
  transform: translateY(-1rem);
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
}

.project-img {
  position: relative;
  overflow: hidden;
  height: 25rem;
}

.project-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

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

.project-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: var(--transition);
}

.project-card:hover .project-overlay {
  opacity: 1;
}

.project-overlay-content {
  text-align: center;
  padding: 2rem;
}

.project-tags {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  margin-bottom: 2rem;
  gap: 1rem;
}

.project-tags span {
  background: rgba(79, 70, 229, 0.3);
  color: white;
  padding: 0.5rem 1.5rem;
  border-radius: 5rem;
  font-size: 1.2rem;
}

.project-links {
  display: flex;
  justify-content: center;
  gap: 2rem;
}

.project-link {
  width: 4.5rem;
  height: 4.5rem;
  background: white;
  color: var(--dark-color);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  transition: var(--transition);
}

.project-link:hover {
  background: var(--primary-color);
  color: white;
  transform: translateY(-5px);
}

.project-content {
  padding: 2rem;
}

.project-content h3 {
  font-size: 2rem;
  margin-bottom: 1rem;
}

.project-content p {
  color: var(--text-color);
  opacity: 0.8;
}

.projects-cta {
  text-align: center;
}

/* Contact Section */
.contact {
  padding: var(--section-padding);
  background-color: var(--background-color);
  position: relative;
}

.contact-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(40rem, 1fr));
  gap: 5rem;
}

.contact-info {
  background: var(--card-bg);
  padding: 3rem;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow);
}

.contact-info h3 {
  font-size: 2.4rem;
  margin-bottom: 2rem;
}

.contact-info p {
  margin-bottom: 3rem;
  color: var(--text-color);
  opacity: 0.8;
}

.contact-details {
  margin-bottom: 3rem;
}

.contact-item {
  display: flex;
  align-items: flex-start;
  margin-bottom: 2rem;
}

.contact-icon {
  width: 5rem;
  height: 5rem;
  background: rgba(79, 70, 229, 0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-right: 2rem;
  color: var(--primary-color);
  font-size: 2rem;
}

.contact-item h4 {
  font-size: 1.8rem;
  margin-bottom: 0.5rem;
}

.contact-item p {
  margin-bottom: 0;
  opacity: 0.8;
}

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

.social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 4.5rem;
  height: 4.5rem;
  background: var(--card-bg);
  color: var(--text-color);
  border-radius: 50%;
  box-shadow: var(--shadow);
  transition: var(--transition);
  font-size: 1.8rem;
  position: relative;
}

.social-link:hover {
  background: var(--primary-color);
  color: white;
  transform: translateY(-5px);
}

.social-link[title]::after {
  content: attr(title);
  position: absolute;
  bottom: -3.5rem;
  left: 50%;
  transform: translateX(-50%);
  background: var(--dark-color);
  color: white;
  padding: 0.5rem 1rem;
  border-radius: 0.4rem;
  font-size: 1.2rem;
  white-space: nowrap;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
}

.social-link[title]:hover::after {
  opacity: 1;
  visibility: visible;
}

.contact-form {
  background: var(--card-bg);
  padding: 3rem;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow);
}

.form-group {
  margin-bottom: 2.5rem;
  position: relative;
}

.form-group label {
  display: block;
  margin-bottom: 0.8rem;
  font-weight: 600;
  font-size: 1.6rem;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 1.2rem 1.5rem;
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  background: var(--background-color);
  color: var(--text-color);
  font-size: 1.6rem;
  transition: var(--transition);
  font-family: "Poppins", sans-serif;
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--primary-color);
  outline: none;
  box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.2);
}

.form-group textarea {
  min-height: 15rem;
  resize: vertical;
}

/* Footer */
footer {
  background: var(--card-bg);
  padding: 0;
  position: relative;
}

.footer-content {
  background: var(--dark-color);
  color: var(--text-light);
  padding: 8rem 0 3rem;
}

.footer-top {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(25rem, 1fr));
  gap: 5rem;
  margin-bottom: 5rem;
}

.footer-logo {
  display: flex;
  flex-direction: column;
}

.footer-logo .logo {
  margin-bottom: 2rem;
}

.footer-logo .logo-text {
  color: white;
}

.footer-logo p {
  font-size: 1.6rem;
  opacity: 0.8;
}

.footer-links-column h3 {
  font-size: 1.8rem;
  margin-bottom: 2rem;
  color: white;
  position: relative;
  padding-bottom: 1rem;
}

.footer-links-column h3::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 3rem;
  height: 2px;
  background: var(--primary-color);
}

.footer-links-column ul li {
  margin-bottom: 1rem;
}

.footer-links-column ul li a {
  color: var(--text-light);
  opacity: 0.8;
  transition: var(--transition);
  font-size: 1.5rem;
}

.footer-links-column ul li a:hover {
  color: var(--primary-color);
  opacity: 1;
  padding-left: 0.5rem;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 3rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  flex-wrap: wrap;
  gap: 2rem;
}

.footer-bottom p {
  font-size: 1.4rem;
  opacity: 0.8;
}

.footer-bottom-links {
  display: flex;
  gap: 2rem;
}

.footer-bottom-links a {
  color: var(--text-light);
  opacity: 0.8;
  transition: var(--transition);
  font-size: 1.4rem;
}

.footer-bottom-links a:hover {
  color: var(--primary-color);
  opacity: 1;
}

/* Scroll Top Button */
.scroll-top {
  position: fixed;
  bottom: 3rem;
  right: 3rem;
  width: 5rem;
  height: 5rem;
  background: var(--gradient-primary);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: var(--shadow);
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
  z-index: 999;
  font-size: 2rem;
}

.scroll-top.active {
  opacity: 1;
  visibility: visible;
}

.scroll-top:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 20px rgba(79, 70, 229, 0.4);
}

/* Animations */
.animate-text {
  opacity: 0;
  transform: translateY(2rem);
  animation: fadeInUp 0.5s forwards;
}

.delay-1 {
  animation-delay: 0.2s;
}

.delay-2 {
  animation-delay: 0.4s;
}

.delay-3 {
  animation-delay: 0.6s;
}

.delay-4 {
  animation-delay: 0.8s;
}

@keyframes fadeInUp {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Responsive Design */
@media (max-width: 1200px) {
  html {
    font-size: 58%;
  }
}

@media (max-width: 992px) {
  html {
    font-size: 56%;
  }

  .nav-links {
    position: fixed;
    top: 8rem;
    left: -100%;
    width: 100%;
    height: calc(100vh - 8rem);
    background: var(--background-color);
    flex-direction: column;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    z-index: 999;
  }

  .nav-links.active {
    left: 0;
  }

  .nav-links li {
    margin: 1.5rem 0;
  }

  .hamburger {
    display: flex;
  }

  .hero .container {
    flex-direction: column;
    text-align: center;
  }

  .hero-content {
    margin-bottom: 5rem;
  }

  .social-icons {
    justify-content: center;
  }

  .about-content {
    flex-direction: column;
  }

  .about-image {
    margin-bottom: 5rem;
  }

  .skills-container {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  html {
    font-size: 54%;
  }

  .section-padding {
    padding: 8rem 0;
  }

  .hero-content h1 {
    font-size: 4.5rem;
  }

  .hero-content h2 {
    font-size: 2.8rem;
  }

  .cp-cards {
    grid-template-columns: 1fr;
  }

  .contact-content {
    grid-template-columns: 1fr;
  }

  .footer-top {
    grid-template-columns: 1fr;
  }

  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }

  .footer-bottom-links {
    justify-content: center;
  }

  /* Make skill items more compact to fit more */
  .skills-grid {
    grid-template-columns: repeat(auto-fill, minmax(13rem, 1fr));
  }
}

@media (max-width: 576px) {
  html {
    font-size: 52%;
  }

  .hero-content h1 {
    font-size: 4rem;
  }

  .hero-content h2 {
    font-size: 2.5rem;
  }

  .projects-grid {
    grid-template-columns: 1fr;
  }

  .project-filters {
    flex-direction: column;
    align-items: center;
  }

  .filter-btn {
    width: 100%;
    max-width: 20rem;
    margin-bottom: 1rem;
  }

  .about-buttons {
    flex-direction: column;
  }

  .about-buttons .btn {
    width: 100%;
  }
}