/* ===== CSS Variables ===== */
:root {
  --primary-color: #6366f1;
  --secondary-color: #8b5cf6;
  --accent-color: #ec4899;
  --bg-dark: #0a0a0f;
  --bg-darker: #050508;
  --text-primary: #ffffff;
  --text-secondary: #a0a0b8;
  --glass-bg: rgba(255, 255, 255, 0.05);
  --glass-border: rgba(255, 255, 255, 0.1);
  --shadow-glow: 0 8px 32px rgba(99, 102, 241, 0.18);
  --transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ===== Reset & Base Styles ===== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family:
    "Quicksand",
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    sans-serif;
  background: var(--bg-dark);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

.section {
  padding: 6rem 0;
  position: relative;
}

/* ===== Navigation ===== */
.navbar {
  position: fixed;
  top: 2.5rem;
  left: 50%;
  transform: translateX(-50%);
  width: calc(100% - 8rem);
  max-width: 900px;
  z-index: 1000;
  padding: 1rem 2rem;
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 20px;
  transition: var(--transition);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
}

.navbar.scrolled {
  background: rgba(255, 255, 255, 0.08);
  box-shadow: 0 8px 32px rgba(99, 102, 241, 0.22);
  border-color: rgba(255, 255, 255, 0.15);
}

.nav-container {
  max-width: 100%;
  margin: 0 auto;
  padding: 0;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 3rem;
  position: relative;
}

.nav-logo {
  font-size: 1.5rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  position: absolute;
  left: 2rem;
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: 2rem;
}

.nav-link {
  color: var(--text-secondary);
  text-decoration: none;
  font-weight: 500;
  transition: var(--transition);
  position: relative;
}

.nav-link::after {
  content: "";
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
  transition: none;
}

.nav-link:hover {
  color: var(--text-primary);
}

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

.hamburger {
  display: none;
  flex-direction: column;
  cursor: pointer;
  gap: 5px;
  position: absolute;
  right: 2rem;
}

.hamburger span {
  width: 25px;
  height: 3px;
  background: var(--text-primary);
  border-radius: 3px;
  transition: var(--transition);
}

/* ===== Hero Section ===== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  padding-top: 80px;
}

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

.gradient-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.3;
  animation: float 20s infinite ease-in-out;
}

.orb-1 {
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, var(--primary-color), transparent);
  top: -200px;
  left: -200px;
  animation-delay: 0s;
}

.orb-2 {
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, var(--secondary-color), transparent);
  bottom: -150px;
  right: -150px;
  animation-delay: 5s;
}

.orb-3 {
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, var(--accent-color), transparent);
  top: 50%;
  right: 10%;
  animation-delay: 10s;
}

@keyframes float {
  0%,
  100% {
    transform: translate(0, 0) scale(1);
  }
  33% {
    transform: translate(30px, -30px) scale(1.1);
  }
  66% {
    transform: translate(-20px, 20px) scale(0.9);
  }
}

.hero-content {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.hero-text {
  z-index: 1;
}

.hero-title {
  font-size: 4rem;
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 1rem;
}

.greeting {
  display: block;
  font-size: 1.5rem;
  font-weight: 400;
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
}

.name {
  display: block;
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color), var(--accent-color));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: 1.5rem;
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
  min-height: 2rem;
}

.typing-text {
  color: var(--primary-color);
  font-weight: 600;
}

.cursor {
  animation: blink 1s infinite;
}

@keyframes blink {
  0%,
  50% {
    opacity: 1;
  }
  51%,
  100% {
    opacity: 0;
  }
}

.hero-description {
  font-size: 1.1rem;
  color: var(--text-secondary);
  margin-bottom: 2rem;
  line-height: 1.8;
}

.hero-buttons {
  display: flex;
  gap: 1rem;
  margin-bottom: 2rem;
}

.btn {
  padding: 0.875rem 2rem;
  border-radius: 12px;
  font-weight: 600;
  text-decoration: none;
  transition: var(--transition);
  border: none;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 1rem;
}

.btn-primary {
  position: relative;
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  color: var(--text-primary);
  box-shadow: 0 4px 15px rgba(99, 102, 241, 0.4);
  transition: color 0.35s ease, box-shadow 0.35s ease;
  overflow: hidden;
}

.btn-primary::after {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--text-primary);
  opacity: 0;
  transition: opacity 0.35s ease;
  z-index: 0;
  border-radius: inherit;
}

.btn-primary .btn-text {
  position: relative;
  z-index: 1;
}

.btn-primary:hover {
  color: var(--primary-color);
  box-shadow: 0 4px 15px rgba(99, 102, 241, 0.4);
}

.btn-primary:hover::after {
  opacity: 1;
}

@keyframes hero-cta-glow {
  0%,
  100% {
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.4);
  }
  50% {
    box-shadow: 0 4px 24px rgba(99, 102, 241, 0.55);
  }
}

.hero-cta {
  animation: hero-cta-glow 2.5s ease-in-out infinite;
}

.btn-secondary {
  background: var(--glass-bg);
  color: var(--text-primary);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(10px);
}

.btn-secondary:hover {
  border-color: rgba(99, 102, 241, 0.5);
}

.social-links {
  display: flex;
  gap: 1rem;
}

.social-link {
  width: 45px;
  height: 45px;
  border-radius: 12px;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-primary);
  text-decoration: none;
  transition: var(--transition);
  backdrop-filter: blur(10px);
}

.social-link:hover {
  border-color: rgba(99, 102, 241, 0.6);
  box-shadow: 0 0 20px rgba(99, 102, 241, 0.25);
}

.hero-visual {
  position: relative;
  height: 500px;
}

.floating-card {
  position: absolute;
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  border-radius: 20px;
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  box-shadow: var(--shadow-glow);
  animation: float-card 6s infinite ease-in-out;
}

.floating-card i {
  font-size: 2.5rem;
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.floating-card span {
  font-size: 0.9rem;
  color: var(--text-secondary);
  font-weight: 500;
}

.card-1 {
  top: 10%;
  left: 10%;
  animation-delay: 0s;
}

.card-2 {
  top: 50%;
  right: 10%;
  animation-delay: 1s;
}

.card-3 {
  bottom: 20%;
  left: 20%;
  animation-delay: 2s;
}

.card-4 {
  top: 30%;
  right: 30%;
  animation-delay: 1.5s;
}

@keyframes float-card {
  0%,
  100% {
    transform: translateY(0) rotate(0deg);
  }
  50% {
    transform: translateY(-20px) rotate(5deg);
  }
}

.scroll-indicator {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  animation: bounce 2s infinite;
}

.mouse {
  width: 30px;
  height: 50px;
  border: 2px solid var(--text-secondary);
  border-radius: 20px;
  position: relative;
}

.wheel {
  width: 4px;
  height: 10px;
  background: var(--text-secondary);
  border-radius: 2px;
  position: absolute;
  top: 10px;
  left: 50%;
  transform: translateX(-50%);
  animation: scroll 2s infinite;
}

@keyframes scroll {
  0% {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
  }
  100% {
    opacity: 0;
    transform: translateX(-50%) translateY(15px);
  }
}

@keyframes bounce {
  0%,
  100% {
    transform: translateX(-50%) translateY(0);
  }
  50% {
    transform: translateX(-50%) translateY(-10px);
  }
}

/* ===== Glass Card ===== */
.glass-card {
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  border-radius: 24px;
  padding: 2rem;
  box-shadow: var(--shadow-glow);
  transition: var(--transition);
}

.glass-card:hover {
  border-color: rgba(99, 102, 241, 0.5);
  box-shadow: 0 8px 40px rgba(99, 102, 241, 0.15);
}

/* ===== Section Titles ===== */
.section-title {
  font-size: 3rem;
  font-weight: 800;
  text-align: center;
  margin-bottom: 4rem;
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ===== About Section ===== */
.about-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
}

.about-text h3,
.about-focus h3 {
  font-size: 1.5rem;
  margin-bottom: 1rem;
  color: var(--text-primary);
}

.about-text p {
  color: var(--text-secondary);
  margin-bottom: 1rem;
  line-height: 1.8;
}

.about-stats {
  display: flex;
  gap: 2rem;
  margin-top: 2rem;
}

.stat-item {
  display: flex;
  flex-direction: column;
}

.stat-number {
  font-size: 2rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-label {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.focus-list {
  list-style: none;
}

.focus-list li {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.75rem 0;
  color: var(--text-secondary);
}

.focus-list i {
  color: var(--primary-color);
  font-size: 1.2rem;
}

/* ===== Skills Section ===== */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.category-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.category-header i {
  font-size: 2rem;
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.category-header h3 {
  font-size: 1.25rem;
  color: var(--text-primary);
}

.skill-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.skill-tag {
  padding: 0.5rem 1rem;
  background: rgba(99, 102, 241, 0.1);
  border: 1px solid rgba(99, 102, 241, 0.3);
  border-radius: 8px;
  color: var(--text-primary);
  font-size: 0.9rem;
  transition: var(--transition);
}

/* ===== Experience Section ===== */
.timeline {
  position: relative;
  max-width: 800px;
  margin: 0 auto;
}

.timeline::before {
  content: "";
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(180deg, var(--primary-color), var(--secondary-color));
  transform: translateX(-50%);
}

.timeline::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 0;
  width: 40px;
  height: 2px;
  background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
  transform: translateX(-50%);
}

.timeline-item {
  position: relative;
  margin-bottom: 3rem;
  width: 45%;
}

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

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

.timeline-marker {
  position: absolute;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  border: 4px solid var(--bg-dark);
  top: 1.5rem;
  z-index: 1;
}

.timeline-item:nth-child(odd) .timeline-marker {
  right: -35px;
}

.timeline-item:nth-child(even) .timeline-marker {
  left: -35px;
}

.timeline-date {
  color: var(--primary-color);
  font-weight: 600;
  font-size: 0.9rem;
  margin-bottom: 0.5rem;
  display: block;
}

.timeline-content h3 {
  font-size: 1.5rem;
  margin-bottom: 0.25rem;
  color: var(--text-primary);
}

.timeline-content h4 {
  font-size: 1rem;
  color: var(--text-secondary);
  margin-bottom: 1rem;
}

.timeline-content ul {
  list-style: none;
  color: var(--text-secondary);
}

.timeline-content li {
  padding: 0.5rem 0;
  padding-left: 1.5rem;
  position: relative;
}

.timeline-content li::before {
  content: "▹";
  position: absolute;
  left: 0;
  color: var(--primary-color);
}

/* ===== Projects Section ===== */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.projects-grid .glass-card {
  transform: none !important;
  transition: border-color 0.3s ease;
}

.projects-grid .glass-card:hover {
  transform: none !important;
}

.project-card {
  text-align: center;
}

.project-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.project-card h3 {
  font-size: 1.5rem;
  margin-bottom: 1rem;
  color: var(--text-primary);
}

.project-card p {
  color: var(--text-secondary);
  margin-bottom: 1rem;
  line-height: 1.8;
}

.project-card .project-highlights {
  list-style: none;
  margin: 0 0 1rem 0;
  padding: 0;
  text-align: left;
}

.project-card .project-highlights li {
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.5;
  padding: 0.25rem 0 0.25rem 1.25rem;
  position: relative;
}

.project-card .project-highlights li::before {
  content: "\f00c";
  font-family: "Font Awesome 6 Free";
  font-weight: 900;
  position: absolute;
  left: 0;
  color: var(--primary-color);
  font-size: 0.75rem;
}

.project-tech {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  justify-content: center;
  margin-bottom: 1.5rem;
}

.project-tech span {
  padding: 0.25rem 0.75rem;
  background: rgba(99, 102, 241, 0.1);
  border: 1px solid rgba(99, 102, 241, 0.3);
  border-radius: 6px;
  font-size: 0.8rem;
  color: var(--text-secondary);
}

.project-link {
  color: var(--primary-color);
  text-decoration: none;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  transition: var(--transition);
}

/* ===== Looking For Section ===== */
.looking-for-content {
  max-width: 1000px;
  margin: 0 auto;
}

.intro-text {
  font-size: 1.1rem;
  color: var(--text-secondary);
  text-align: center;
  margin-bottom: 3rem;
  line-height: 1.8;
}

.opportunities-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  margin-bottom: 2rem;
}

.opportunity-item {
  text-align: center;
}

.opportunity-item i {
  font-size: 2.5rem;
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 1rem;
}

.opportunity-item h4 {
  font-size: 1.25rem;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
}

.opportunity-item p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.6;
}

.open-to {
  text-align: center;
  padding-top: 2rem;
  border-top: 1px solid var(--glass-border);
  color: var(--text-secondary);
}

/* ===== Contact Section ===== */
.contact-content {
  display: flex;
  justify-content: center;
  max-width: 600px;
  margin: 0 auto;
}

.contact-content .contact-info {
  width: 100%;
}

.contact-info h3 {
  font-size: 1.5rem;
  margin-bottom: 1rem;
  color: var(--text-primary);
}

.contact-info p {
  color: var(--text-secondary);
  margin-bottom: 2rem;
  line-height: 1.8;
}

.contact-methods {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.contact-method {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem;
  background: rgba(99, 102, 241, 0.1);
  border: 1px solid rgba(99, 102, 241, 0.3);
  border-radius: 12px;
  text-decoration: none;
  color: var(--text-primary);
  transition: var(--transition);
}

.contact-method:hover {
  border-color: rgba(99, 102, 241, 0.6);
  box-shadow: 0 0 24px rgba(99, 102, 241, 0.2);
}

.contact-method i {
  font-size: 1.5rem;
  color: var(--primary-color);
}

/* ===== Footer ===== */
.footer {
  background: var(--bg-darker);
  padding: 3rem 0 2rem 0;
  text-align: center;
  border-top: 1px solid var(--glass-border);
  margin-top: 4rem;
}

.footer .container {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  align-items: center;
}

.footer p {
  color: var(--text-secondary);
  margin: 0;
  line-height: 1.6;
}

.footer-text {
  font-size: 0.9rem;
  opacity: 0.8;
}

.footer i {
  color: var(--accent-color);
}

/* ===== Animations ===== */
.fade-in {
  animation: fadeIn 1s ease-in;
}

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

[data-aos] {
  opacity: 0;
  transition:
    opacity 0.6s ease,
    transform 0.6s ease;
}

[data-aos].aos-animate {
  opacity: 1;
}

[data-aos="fade-up"] {
  transform: translateY(30px);
}

[data-aos="fade-up"].aos-animate {
  transform: translateY(0);
}

[data-aos="fade-right"] {
  transform: translateX(-30px);
}

[data-aos="fade-right"].aos-animate {
  transform: translateX(0);
}

[data-aos="fade-left"] {
  transform: translateX(30px);
}

[data-aos="fade-left"].aos-animate {
  transform: translateX(0);
}

[data-aos="zoom-in"] {
  transform: scale(0.9);
}

[data-aos="zoom-in"].aos-animate {
  transform: scale(1);
}

[data-aos="flip-left"] {
  transform: perspective(1000px) rotateY(-20deg);
}

[data-aos="flip-left"].aos-animate {
  transform: perspective(1000px) rotateY(0);
}

/* ===== Responsive Design ===== */
@media (max-width: 968px) {
  .hero-content {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero-title {
    font-size: 3rem;
  }

  .about-content {
    grid-template-columns: 1fr;
    justify-items: center;
    max-width: 100%;
  }

  .about-text,
  .about-focus {
    width: 100%;
    max-width: 100%;
  }

  .timeline::before {
    left: 20px;
  }

  .timeline::after {
    left: 20px;
    transform: translateX(-50%);
  }

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

  .timeline-marker {
    left: -35px !important;
  }

  .navbar {
    width: auto;
    left: auto;
    right: 1rem;
    transform: none;
    top: 1.5rem;
    padding: 0.5rem;
    background: transparent;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    border: none;
    box-shadow: none;
  }

  .nav-container {
    gap: 0;
    justify-content: flex-end;
    padding: 0;
    margin: 0;
  }

  .hamburger {
    display: flex;
    position: static;
    right: auto;
    margin: 0;
    padding: 0;
  }

  .nav-menu {
    position: fixed;
    left: -100%;
    top: 90px;
    flex-direction: column;
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    width: calc(100% - 4rem);
    max-width: 500px;
    left: 50%;
    transform: translateX(-50%);
    text-align: center;
    transition: 0.3s;
    padding: 2rem 0;
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    opacity: 0;
    pointer-events: none;
  }

  .nav-menu.active {
    opacity: 1;
    pointer-events: all;
  }

  .hamburger {
    display: flex;
  }

  .hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(8px, 8px);
  }

  .hamburger.active span:nth-child(2) {
    opacity: 0;
  }

  .hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
  }
}

@media (max-width: 640px) {
  .navbar {
    width: auto;
    left: auto;
    right: 1rem;
    transform: none;
    top: 1rem;
    padding: 0.5rem;
    border-radius: 15px;
    background: transparent;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    border: none;
    box-shadow: none;
  }

  .nav-container {
    justify-content: flex-end;
    padding: 0;
  }

  .hamburger {
    display: flex;
    position: static;
    right: auto;
    margin: 0;
  }

  .nav-menu {
    display: flex;
  }

  .hero-title {
    font-size: 2.5rem;
  }

  .section-title {
    font-size: 2rem;
  }

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

  .btn {
    width: 100%;
    justify-content: center;
  }

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

  .pdf-viewer {
    height: 600px;
  }
}

/* ===== Scroll Progress Bar ===== */
.scroll-progress-bar {
  position: fixed;
  top: 0;
  left: 0;
  width: 0%;
  height: 3px;
  background: linear-gradient(90deg, #6366f1, #8b5cf6, #ec4899);
  z-index: 9999;
  transition: width 0.1s ease;
  pointer-events: none;
}