@import url("https://fonts.googleapis.com/css2?family=Montserrat:wght@400;500;700&display=swap");

:root {
  --primary-color: #00bfff;
  --primary-dark: #009acd;
  --text-light: #bbb;
  --bg-dark: #000;
  --bg-card: #1e1e1e;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 70px;
}

body {
  margin: 0;
  padding: 0;
  font-family: "Montserrat", sans-serif;
  background-color: var(--bg-dark);
  color: #fff;
  line-height: 1.6;
}

/* Navigation */
nav {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background: rgba(0, 0, 0, 0.9);
  z-index: 1000;
  padding: 15px 0;
  transition: all 0.3s ease;
}

nav.scrolled {
  padding: 10px 0;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.5);
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.logo {
  font-size: 1.5rem;
  font-weight: 700;
  color: #fff;
  text-decoration: none;
}

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

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

.nav-links li {
  margin-left: 30px;
}

.nav-links a {
  color: var(--text-light);
  text-decoration: none;
  font-size: 1rem;
  font-weight: 500;
  transition: all 0.3s ease;
  position: relative;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--primary-color);
}

.nav-links a::after {
  content: "";
  position: absolute;
  width: 0;
  height: 2px;
  bottom: -5px;
  left: 0;
  background-color: var(--primary-color);
  transition: width 0.3s ease;
}

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

.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  color: #fff;
  font-size: 1.5rem;
  cursor: pointer;
}

/* Header */
header {
  text-align: center;
  padding: 120px 20px;
  background: linear-gradient(135deg, #000, #222);
  position: relative;
  overflow: hidden;
}

header::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle, rgba(0, 191, 255, 0.1) 0%, rgba(0, 0, 0, 0) 70%);
  z-index: 0;
}

.page-header {
  text-align: center;
  padding: 100px 20px 60px;
  background: linear-gradient(135deg, #000, #222);
  position: relative;
  overflow: hidden;
}

.page-header::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle, rgba(0, 191, 255, 0.1) 0%, rgba(0, 0, 0, 0) 70%);
  z-index: 0;
}

.header-content {
  position: relative;
  z-index: 1;
}

header h1 {
  font-size: clamp(3rem, 10vw, 5rem);
  font-weight: 700;
  margin: 0;
  color: #fff;
  animation: fadeIn 2s ease-in-out;
  letter-spacing: 2px;
}

.page-header h1 {
  font-size: clamp(2.5rem, 8vw, 4rem);
  font-weight: 700;
  margin: 0;
  color: #fff;
  animation: fadeIn 2s ease-in-out;
  letter-spacing: 2px;
}

header p {
  font-size: clamp(1rem, 3vw, 1.2rem);
  font-weight: 400;
  margin: 15px 0 0;
  color: var(--text-light);
  animation: fadeIn 3s ease-in-out;
}

.header-content::after {
  content: "";
  position: absolute;
  width: 100px;
  height: 3px;
  background: var(--primary-color);
  bottom: -20px;
  left: 50%;
  transform: translateX(-50%);
  animation: underlineGrow 2s ease-in-out;
}

/* Sections */
.section {
  max-width: 1200px;
  margin: 80px auto;
  padding: 20px;
  animation: fadeIn 2s ease-in-out;
}

.section h2 {
  font-size: clamp(2rem, 5vw, 2.5rem);
  font-weight: 700;
  margin-bottom: 30px;
  color: #fff;
  text-align: center;
}

.section p {
  font-size: 1.1rem;
  color: var(--text-light);
  text-align: center;
  max-width: 800px;
  margin: 0 auto 30px;
  line-height: 1.8;
}

/* Home Page */
.home-cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 20px;
  margin-top: 40px;
}

.home-card {
  background: rgba(30, 30, 30, 0.7);
  padding: 30px;
  border-radius: 8px;
  border-left: 3px solid var(--primary-color);
  transition: all 0.3s ease;
  text-decoration: none;
  color: #fff;
  display: block;
}

.home-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 20px rgba(0, 191, 255, 0.1);
  background: rgba(30, 30, 30, 0.9);
}

.home-card h3 {
  font-size: 1.5rem;
  margin-bottom: 15px;
  color: #fff;
}

.home-card p {
  font-size: 1rem;
  color: var(--text-light);
  text-align: left;
  margin: 0;
}

/* About Page */
.about-content {
  display: flex;
  flex-direction: column;
  gap: 40px;
  align-items: center;
  max-width: 900px;
  margin: 0 auto;
}

.about-image {
  display: flex;
  justify-content: center;
}

.image-container {
  width: 300px;
  height: 300px;
  border-radius: 50%;
  overflow: hidden;
  border: 3px solid var(--primary-color);
  box-shadow: 0 10px 30px rgba(0, 191, 255, 0.2);
}

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

.about-text p {
  text-align: left;
  margin-bottom: 20px;
}

.about-details {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 20px;
  margin-top: 30px;
}

.detail-item {
  background: rgba(30, 30, 30, 0.7);
  padding: 20px;
  border-radius: 8px;
  border-left: 3px solid var(--primary-color);
}

.detail-item h3 {
  font-size: 1.2rem;
  margin-bottom: 10px;
  color: var(--primary-color);
}

.detail-item p {
  font-size: 1rem;
  margin: 0;
}

/* Skills Page */
.skills-container {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 30px;
  margin-bottom: 50px;
}

.skills-category {
  background: rgba(30, 30, 30, 0.7);
  padding: 25px;
  border-radius: 8px;
  border-left: 3px solid var(--primary-color);
  transition: all 0.3s ease;
}

.skills-category:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 20px rgba(0, 191, 255, 0.1);
  background: rgba(30, 30, 30, 0.9);
}

.skills-category h3 {
  font-size: 1.3rem;
  margin-bottom: 20px;
  color: var(--primary-color);
  text-align: center;
}

.skills-list {
  list-style-type: none;
  padding: 0;
}

.skills-list li {
  margin: 10px 0;
  font-size: 1rem;
  color: var(--text-light);
  padding: 8px 0;
  border-bottom: 1px dashed rgba(255, 255, 255, 0.1);
  transition: all 0.3s ease;
}

.skills-list li:last-child {
  border-bottom: none;
}

.skills-list li:hover {
  color: #fff;
  transform: translateX(5px);
}

.skills-proficiency {
  margin-top: 50px;
}

.skills-proficiency h3 {
  font-size: 1.5rem;
  margin-bottom: 30px;
  text-align: center;
}

.proficiency-item {
  margin-bottom: 20px;
}

.proficiency-info {
  display: flex;
  justify-content: space-between;
  margin-bottom: 8px;
}

.proficiency-bar {
  height: 10px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 5px;
  overflow: hidden;
}

.proficiency-progress {
  height: 100%;
  background: var(--primary-color);
  border-radius: 5px;
  transition: width 1.5s ease-in-out;
}

/* Timeline Page */
.timeline {
  position: relative;
  max-width: 1000px;
  margin: 0 auto;
  padding: 40px 0;
  list-style-type: none;
}

.timeline::before {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--primary-color);
  left: 50%;
  margin-left: -1px;
}

.timeline-item {
  padding: 25px 30px;
  position: relative;
  background: var(--bg-card);
  border-radius: 8px;
  margin: 30px 0;
  width: 45%;
  animation: fadeInUp 2s ease-in-out;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
  transition: all 0.3s ease;
}

.timeline-item:hover {
  transform: translateY(-5px);
  box-shadow: 0 15px 30px rgba(0, 191, 255, 0.1);
}

.timeline-item::after {
  content: "";
  position: absolute;
  width: 20px;
  height: 20px;
  right: -10px;
  background: var(--primary-color);
  border: 4px solid var(--bg-dark);
  top: 20px;
  border-radius: 50%;
  z-index: 1;
  transition: all 0.3s ease;
}

.timeline-item:hover::after {
  background: #fff;
  border-color: var(--primary-color);
}

.timeline-item:nth-child(odd) {
  left: 0;
}

.timeline-item:nth-child(even) {
  left: 55%;
}

.timeline-item:nth-child(even)::after {
  left: -10px;
}

.timeline-item h3 {
  font-size: 1.3rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 10px;
}

.timeline-item p {
  font-size: 1rem;
  color: var(--text-light);
  text-align: left;
  margin: 0;
}

.timeline-date {
  position: absolute;
  top: -10px;
  right: 20px;
  background: var(--primary-color);
  color: #000;
  padding: 5px 15px;
  border-radius: 20px;
  font-weight: 700;
  font-size: 0.9rem;
}

.timeline-item:nth-child(even) .timeline-date {
  left: 20px;
  right: auto;
}

.education-section {
  margin-top: 80px;
}

.education-section h3 {
  font-size: 1.5rem;
  margin-bottom: 30px;
  text-align: center;
}

.education-item {
  background: var(--bg-card);
  padding: 25px;
  border-radius: 8px;
  margin-bottom: 20px;
  border-left: 3px solid var(--primary-color);
  transition: all 0.3s ease;
}

.education-item:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 20px rgba(0, 191, 255, 0.1);
}

.education-item h4 {
  font-size: 1.2rem;
  margin-bottom: 10px;
  color: #fff;
}

.education-item p {
  font-size: 1rem;
  color: var(--text-light);
  text-align: left;
  margin-bottom: 10px;
}

.education-item p:last-child {
  margin-bottom: 0;
}

/* Services Page */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 30px;
  margin-bottom: 50px;
}

.service-card {
  background: rgba(30, 30, 30, 0.7);
  padding: 30px;
  border-radius: 8px;
  border-left: 3px solid var(--primary-color);
  transition: all 0.3s ease;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.service-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 20px rgba(0, 191, 255, 0.1);
  background: rgba(30, 30, 30, 0.9);
}

.service-icon {
  color: var(--primary-color);
  margin-bottom: 20px;
}

.service-card h3 {
  font-size: 1.3rem;
  margin-bottom: 15px;
  color: #fff;
  text-align: center;
}

.service-card p {
  font-size: 1rem;
  color: var(--text-light);
  text-align: center;
  margin: 0;
}

.service-process {
  margin-top: 50px;
}

.service-process h3 {
  font-size: 1.5rem;
  margin-bottom: 30px;
  text-align: center;
}

.process-steps {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 20px;
}

.process-step {
  background: rgba(30, 30, 30, 0.7);
  padding: 25px;
  border-radius: 8px;
  text-align: center;
  position: relative;
  transition: all 0.3s ease;
}

.process-step:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 20px rgba(0, 191, 255, 0.1);
  background: rgba(30, 30, 30, 0.9);
}

.step-number {
  width: 40px;
  height: 40px;
  background: var(--primary-color);
  color: #000;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  margin: 0 auto 15px;
}

.process-step h4 {
  font-size: 1.2rem;
  margin-bottom: 10px;
  color: #fff;
}

.process-step p {
  font-size: 1rem;
  color: var(--text-light);
  margin: 0;
}

/* Achievements Page */
.achievements-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 30px;
  margin-bottom: 50px;
}

.achievement-card {
  background: rgba(30, 30, 30, 0.7);
  padding: 30px;
  border-radius: 8px;
  border-left: 3px solid var(--primary-color);
  transition: all 0.3s ease;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.achievement-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 20px rgba(0, 191, 255, 0.1);
  background: rgba(30, 30, 30, 0.9);
}

.achievement-icon {
  color: var(--primary-color);
  margin-bottom: 20px;
}

.achievement-card h3 {
  font-size: 1.3rem;
  margin-bottom: 15px;
  color: #fff;
  text-align: center;
}

.achievement-card p {
  font-size: 1rem;
  color: var(--text-light);
  text-align: center;
  margin: 0;
}

.projects-section {
  margin-top: 50px;
}

.projects-section h3 {
  font-size: 1.5rem;
  margin-bottom: 30px;
  text-align: center;
}

.project-card {
  background: var(--bg-card);
  border-radius: 8px;
  overflow: hidden;
  margin-bottom: 30px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
  transition: all 0.3s ease;
}

.project-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 15px 30px rgba(0, 191, 255, 0.1);
}

.project-image img {
  width: 100%;
  height: auto;
  display: block;
}

.project-content {
  padding: 25px;
}

.project-content h4 {
  font-size: 1.3rem;
  margin-bottom: 15px;
  color: #fff;
}

.project-content p {
  font-size: 1rem;
  color: var(--text-light);
  text-align: left;
  margin-bottom: 20px;
}

.project-tech {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.project-tech span {
  background: rgba(0, 191, 255, 0.1);
  color: var(--primary-color);
  padding: 5px 15px;
  border-radius: 20px;
  font-size: 0.9rem;
}

/* Contact Page */
.contact-section {
  max-width: 1200px;
  margin: 80px auto;
  padding: 20px;
}

.contact-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  align-items: start;
}

.contact-info h2 {
  font-size: 2rem;
  margin-bottom: 20px;
  text-align: left;
}

.contact-info > p {
  text-align: left;
  margin-bottom: 30px;
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: 25px;
}

.contact-item {
  background: rgba(30, 30, 30, 0.7);
  padding: 20px;
  border-radius: 8px;
  border-left: 3px solid var(--primary-color);
  transition: all 0.3s ease;
}

.contact-item:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 20px rgba(0, 191, 255, 0.1);
  background: rgba(30, 30, 30, 0.9);
}

.contact-item h3 {
  font-size: 1.1rem;
  margin-bottom: 10px;
  color: var(--primary-color);
}

.contact-item p {
  font-size: 1rem;
  color: var(--text-light);
  text-align: left;
  margin: 0;
}

.contact-item a {
  color: var(--primary-color);
  text-decoration: none;
  transition: all 0.3s ease;
}

.contact-item a:hover {
  color: #fff;
  text-decoration: underline;
}

.contact-form-wrapper h2 {
  font-size: 2rem;
  margin-bottom: 30px;
  text-align: left;
}

.contact-form {
  background: rgba(30, 30, 30, 0.7);
  padding: 30px;
  border-radius: 8px;
  border-left: 3px solid var(--primary-color);
}

.form-group {
  margin-bottom: 20px;
  display: flex;
  flex-direction: column;
}

.form-group label {
  font-size: 1rem;
  font-weight: 500;
  margin-bottom: 8px;
  color: #fff;
}

.form-group input,
.form-group textarea {
  padding: 12px 15px;
  border: 1px solid rgba(0, 191, 255, 0.3);
  border-radius: 5px;
  background: rgba(0, 0, 0, 0.5);
  color: #fff;
  font-family: "Montserrat", sans-serif;
  font-size: 1rem;
  transition: all 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 10px rgba(0, 191, 255, 0.2);
  background: rgba(0, 0, 0, 0.7);
}

.form-group textarea {
  resize: vertical;
  min-height: 150px;
}

.submit-btn {
  background: var(--primary-color);
  color: #000;
  border: none;
  padding: 12px 30px;
  border-radius: 5px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  margin-top: 10px;
}

.submit-btn:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 5px 15px rgba(0, 191, 255, 0.3);
}

.submit-btn:disabled {
  opacity: 0.7;
  cursor: not-allowed;
}

.form-message {
  margin-top: 15px;
  padding: 12px 15px;
  border-radius: 5px;
  font-size: 1rem;
  text-align: center;
  display: none;
}

.form-message.success {
  display: block;
  background: rgba(76, 175, 80, 0.2);
  color: #4caf50;
  border: 1px solid #4caf50;
}

.form-message.error {
  display: block;
  background: rgba(244, 67, 54, 0.2);
  color: #f44336;
  border: 1px solid #f44336;
}

/* Footer */
footer {
  text-align: center;
  padding: 30px 0;
  background: #111;
  color: #666;
  border-top: 1px solid #222;
}

.social-icons {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}

.social-icons a {
  text-decoration: none;
  border: 0;
  width: 40px;
  height: 40px;
  padding: 8px;
  margin: 5px;
  color: var(--primary-color);
  border-radius: 50%;
  background-color: #111;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
}

.social-icons a:hover {
  background-color: var(--primary-color);
  color: #000;
  transform: translateY(-3px);
}

.social-icons svg {
  width: 24px;
  height: 24px;
  fill: currentColor;
}

/* Scroll to Top Button */
.scroll-to-top {
  position: fixed;
  bottom: 20px;
  right: 20px;
  background: rgba(0, 0, 0, 0.7);
  color: var(--primary-color);
  border: none;
  cursor: pointer;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  transition: all 0.3s ease;
  opacity: 0;
  visibility: hidden;
  z-index: 1000;
  box-shadow: 0 2px 10px rgba(0, 191, 255, 0.2);
}

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

.scroll-to-top:hover {
  background: var(--primary-color);
  color: #000;
  transform: translateY(-3px);
}

/* Animations */
.hover-underline-animation {
  display: inline-block;
  position: relative;
  color: #fff;
}

.hover-underline-animation::after {
  content: "";
  position: absolute;
  width: 100%;
  transform: scaleX(0);
  height: 2px;
  bottom: -5px;
  left: 0;
  background-color: var(--primary-color);
  transform-origin: bottom right;
  transition: transform 0.3s ease-out;
}

.hover-underline-animation:hover::after {
  transform: scaleX(1);
  transform-origin: bottom left;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(40px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes listItemFadeIn {
  from {
    opacity: 0;
    transform: translateX(-20px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes underlineGrow {
  from {
    width: 0;
    left: 50%;
    transform: translateX(-50%);
  }
  to {
    width: 100px;
    left: 50%;
    transform: translateX(-50%);
  }
}

/* Responsive Styles */
@media screen and (max-width: 768px) {
  .timeline::before {
    left: 30px;
  }

  .timeline-item {
    width: calc(100% - 60px);
    left: 60px !important;
  }

  .timeline-item::after {
    left: -10px !important;
    right: auto !important;
  }

  .mobile-menu-btn {
    display: block;
  }

  .nav-links {
    position: fixed;
    top: 60px;
    left: 0;
    width: 100%;
    background: rgba(0, 0, 0, 0.95);
    flex-direction: column;
    align-items: center;
    padding: 20px 0;
    clip-path: circle(0% at 100% 0);
    transition: all 0.5s ease-out;
  }

  .nav-links.active {
    clip-path: circle(150% at 100% 0);
  }

  .nav-links li {
    margin: 15px 0;
  }

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

  .about-image {
    margin-bottom: 30px;
  }

  .services-grid,
  .achievements-grid,
  .skills-container,
  .process-steps {
    grid-template-columns: 1fr;
  }

  .contact-container {
    grid-template-columns: 1fr;
    gap: 30px;
  }

  .contact-form-wrapper h2,
  .contact-info h2 {
    font-size: 1.5rem;
  }
}

@media screen and (max-width: 480px) {
  .image-container {
    width: 200px;
    height: 200px;
  }

  .section {
    padding: 10px;
  }

  header,
  .page-header {
    padding: 100px 10px 60px;
  }

  .timeline-item {
    padding: 15px 20px;
  }
}