@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@400;500;600;700&family=Manrope:wght@500;600;700&display=swap');

:root {
  --bg: #050915;
  --panel: rgba(255, 255, 255, 0.03);
  --border: rgba(255, 255, 255, 0.08);
  --muted: #9aa3b8;
  --text: #e8ecf5;
  --heading: #f7f8fb;
  --accent: #ff7a18;
  --accent-2: #ff2d80;
  --glow: 0 20px 60px rgba(0, 0, 0, 0.45);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  text-decoration: none;
  outline: none;
  border: none;
  transition: all 0.2s ease;
}

html {
  font-size: 62.5%;
  overflow-x: hidden;
  scroll-behavior: smooth;
}

body {
  background: radial-gradient(circle at 15% 20%, rgba(255, 122, 24, 0.18), transparent 26%),
              radial-gradient(circle at 80% 0%, rgba(255, 45, 128, 0.18), transparent 32%),
              radial-gradient(circle at 70% 85%, rgba(255, 122, 24, 0.12), transparent 32%),
              var(--bg);
  color: var(--text);
  font-family: 'Space Grotesk', 'Manrope', system-ui, -apple-system, sans-serif;
  min-height: 100vh;
}

*::selection {
  background: rgba(255, 122, 24, 0.25);
  color: #fff;
}

html::-webkit-scrollbar {
  width: 0.9rem;
}
html::-webkit-scrollbar-track {
  background: #0b1020;
}
html::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, #ff7a18, #ff2d80);
  border-radius: 12px;
}

header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.6rem 8%;
  height: 6.5rem;
  background: rgba(5, 9, 21, 0.85);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}

section {
  min-height: 100vh;
  padding: 2rem 8%;
}

.heading {
  font-size: 3.5rem;
  color: var(--heading);
  font-weight: 800;
  text-align: center;
  position: relative;
  display: inline-block;
  width: 100%;
  padding-bottom: 1rem;
}

.heading::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 120px;
  height: 3px;
  background: linear-gradient(120deg, var(--accent), var(--accent-2));
  border-radius: 2px;
  box-shadow: 0 0 16px rgba(255, 122, 24, 0.6);
}

.heading i {
  color: var(--accent);
  margin-right: 0.6rem;
  font-size: 3.2rem;
}

.heading span {
  color: var(--accent);
}

header .logo {
  font-size: 2rem;
  font-weight: 700;
  color: var(--heading);
  letter-spacing: 0.04em;
}

header .logo i {
  font-size: 2.2rem;
  color: var(--accent);
  margin-right: 0.4rem;
}

header .navbar ul {
  list-style: none;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 2.2rem;
}

header .navbar ul li a {
  font-size: 1.45rem;
  color: var(--text);
  font-weight: 600;
  letter-spacing: 0.02em;
  padding: 0.6rem 0;
  position: relative;
}

header .navbar ul li a::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.25s ease;
}

header .navbar ul li a.active,
header .navbar ul li a:hover {
  color: #fff;
}

header .navbar ul li a.active::after,
header .navbar ul li a:hover::after {
  transform: scaleX(1);
}

#menu {
  font-size: 3rem;
  cursor: pointer;
  color: var(--text);
  display: none;
}

@media (max-width: 768px) {
  #menu {
    display: block;
  }
  header .navbar {
    position: fixed;
    top: 6.5rem;
    right: -120%;
    width: 78%;
    height: 100%;
    background: #0c1228;
    padding: 2rem;
    text-align: left;
    align-items: flex-start;
  }
  header .navbar ul {
    flex-direction: column;
    align-items: flex-start;
  }
  header .navbar ul li a {
    display: block;
    padding: 1rem 0;
    text-align: left;
    color: #fff;
    font-size: 1.8rem;
  }
  header .navbar.nav-toggle {
    right: 0;
  }
  .fa-times {
    transform: rotate(180deg);
  }
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 1.2rem 2.4rem;
  border-radius: 999px;
  background: linear-gradient(120deg, var(--accent), var(--accent-2));
  color: #fff;
  font-weight: 700;
  font-size: 1.5rem;
  box-shadow: 0 12px 28px rgba(255, 122, 24, 0.24);
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 16px 36px rgba(255, 122, 24, 0.35);
}

.work {
  padding-top: 9rem;
  background: transparent;
}

.work .heading {
  margin-bottom: 0.5rem;
}

.projects-intro {
  text-align: center;
  font-size: 1.6rem;
  color: var(--muted);
  margin-bottom: 1rem;
  letter-spacing: 0.02em;
}

.projects-meta {
  text-align: center;
  font-size: 1.4rem;
  color: var(--muted);
  margin: 2rem 0 3rem;
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(380px, 1fr));
  gap: 2.4rem;
  margin: 2rem 0 3rem;
}

.project-card {
  position: relative;
  border-radius: 1.4rem;
  overflow: hidden;
  background: var(--panel);
  border: 1px solid var(--border);
  box-shadow: var(--glow);
  transition: all 0.3s ease;
  display: flex;
  flex-direction: column;
  height: 100%;
}

.project-card::after {
  content: '';
  position: absolute;
  inset: -40%;
  background: radial-gradient(140px at var(--px, 50%) var(--py, 50%), rgba(255, 122, 24, 0.35), rgba(255, 45, 128, 0.15), transparent 70%);
  opacity: 0;
  transition: opacity 0.25s ease;
  pointer-events: none;
  mix-blend-mode: screen;
}

.project-card:hover {
  border-color: var(--accent);
  box-shadow: 0 0 30px rgba(255, 122, 24, 0.3);
  transform: translateY(-4px);
  outline: 1px solid rgba(255, 122, 24, 0.35);
}

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

.project-image {
  position: relative;
  width: 100%;
  height: 280px;
  overflow: hidden;
}

.project-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.project-card:hover .project-image img {
  transform: scale(1.05);
}

.project-zoom {
  position: absolute;
  top: 1rem;
  right: 1rem;
  width: 3.2rem;
  height: 3.2rem;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.3s ease;
  backdrop-filter: blur(4px);
}

.project-zoom:hover {
  background: var(--accent);
  border-color: var(--accent);
  transform: scale(1.1);
}

.project-zoom i {
  font-size: 1.4rem;
  color: white;
}

.project-content {
  padding: 1.8rem;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
}

.project-title {
  font-size: 1.8rem;
  color: var(--heading);
  font-weight: 700;
  margin-bottom: 1rem;
  line-height: 1.3;
}

.project-features {
  flex-grow: 1;
}

.project-features li {
  font-size: 1.3rem;
  color: #c7ccda;
  margin-bottom: 0.8rem;
  line-height: 1.5;
  list-style: none;
  padding-left: 1.4rem;
  position: relative;
}

.project-features li::before {
  content: '•';
  position: absolute;
  left: 0;
  color: var(--accent);
  font-weight: bold;
}

.project-tech {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin: 1.4rem 0;
  padding-top: 1.2rem;
  border-top: 1px solid var(--border);
}

.tech-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.6rem 1rem;
  border-radius: 999px;
  background: rgba(255, 122, 24, 0.15);
  border: 1px solid rgba(255, 122, 24, 0.3);
  color: #ffcba4;
  font-size: 1.2rem;
  font-weight: 600;
}

.tech-badge::before {
  content: '';
  display: inline-block;
  width: 0.7rem;
  height: 0.7rem;
  border-radius: 50%;
  background: var(--accent);
}

.project-links {
  display: flex;
  gap: 0.8rem;
  margin-top: auto;
}

.project-links a {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.9rem 1.6rem;
  border-radius: 999px;
  background: linear-gradient(120deg, var(--accent), var(--accent-2));
  color: white;
  font-size: 1.3rem;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.3s ease;
  flex: 1;
  text-align: center;
  justify-content: center;
  box-shadow: 0 0 16px rgba(255, 122, 24, 0.3);
}

.project-links a:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 24px rgba(255, 122, 24, 0.5);
}

/* Cursor-follow tooltip for project cards */
.cursor-tooltip {
  position: fixed;
  z-index: 2000;
  display: none;
  align-items: center;
  gap: 0.6rem;
  padding: 0.6rem 1rem 0.7rem 0.7rem;
  border-radius: 999px;
  background: linear-gradient(120deg, #ff9214, #ff2d80);
  color: #fff;
  font-weight: 700;
  font-size: 1.1rem;
  box-shadow: 0 14px 28px rgba(255, 122, 24, 0.35);
  pointer-events: none;
  transform: translate(-12px, -18px);
}

.cursor-tooltip::after {
  content: '';
  position: absolute;
  left: -8px;
  top: 50%;
  transform: translateY(-50%);
  width: 0;
  height: 0;
  border-top: 8px solid transparent;
  border-bottom: 8px solid transparent;
  border-right: 10px solid #ff7a18;
  filter: drop-shadow(0 2px 2px rgba(0,0,0,0.25));
}

.cursor-tooltip .avatar {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: rgba(255,255,255,0.2);
  border: 2px solid rgba(255,255,255,0.6);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
}

.cursor-tooltip .label {
  white-space: nowrap;
}

/* Click zoom state for project image */
.project-card.is-clicked .project-image img {
  transform: scale(1.12) !important;
}

.backbtn {
  display: flex;
  justify-content: center;
  margin: 3rem 0;
}

.backbtn .btn {
  border: none;
  box-shadow: 0 12px 28px rgba(255, 122, 24, 0.28);
}

#scroll-top {
  position: fixed;
  top: -140%;
  right: 2rem;
  padding: 1.2rem 1.4rem;
  font-size: 1.8rem;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #fff;
  border-radius: 12px;
  transition: 1s linear;
  z-index: 1000;
  box-shadow: 0 12px 26px rgba(0, 0, 0, 0.35);
}

#scroll-top.active {
  top: calc(100% - 10rem);
}

@media screen and (max-width: 900px) {
  .projects-grid {
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 1.8rem;
  }
}

@media screen and (max-width: 600px) {
  .projects-grid {
    grid-template-columns: 1fr;
  }

  .project-title {
    font-size: 1.6rem;
  }

  .project-features li {
    font-size: 1.2rem;
  }
}

/* Interactive Demo Styles */
.demo-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.6rem 1.2rem;
  background: linear-gradient(135deg, #ff7a18, #ff5a28);
  color: white;
  border: none;
  border-radius: 6px;
  font-size: 1.4rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  box-shadow: 0 4px 15px rgba(255, 122, 24, 0.3);
}

.demo-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(255, 122, 24, 0.5);
  background: linear-gradient(135deg, #ff8a28, #ff6a38);
}

.demo-btn:active {
  transform: translateY(0);
}

.demo-btn i {
  font-size: 1.6rem;
}

/* Demo Modal */
.demo-modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(5px);
  z-index: 2000;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

.demo-modal-content {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  width: 100%;
  max-width: 1200px;
  height: 85vh;
  display: flex;
  flex-direction: column;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.8), 0 0 40px rgba(255, 122, 24, 0.2);
  animation: slideUp 0.3s ease;
}

@keyframes slideUp {
  from {
    transform: translateY(30px);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

.demo-modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 2rem;
  border-bottom: 1px solid var(--border);
}

.demo-modal-header h2 {
  font-size: 2rem;
  color: var(--heading);
  margin: 0;
}

.demo-close-btn {
  background: none;
  border: none;
  color: var(--muted);
  font-size: 2.4rem;
  cursor: pointer;
  transition: all 0.3s ease;
  padding: 0;
  width: 3rem;
  height: 3rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.demo-close-btn:hover {
  color: var(--accent);
  transform: rotate(90deg);
}

.demo-modal-body {
  padding: 2rem;
  overflow-y: auto;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

#demo-description {
  font-size: 1.4rem;
  color: var(--text);
  margin: 0;
  line-height: 1.6;
}

.demo-container {
  flex: 1;
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.02);
  min-height: 600px;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
}

#demo-iframe {
  width: 100%;
  height: 100%;
  border: none;
  background: white;
}

@media (max-width: 768px) {
  .demo-modal {
    padding: 1rem;
  }
  
  .demo-modal-content {
    max-height: 95vh;
  }
  
  .demo-modal-header {
    padding: 1.5rem;
  }
  
  .demo-modal-header h2 {
    font-size: 1.6rem;
  }
  
  .demo-modal-body {
    padding: 1.5rem;
  }
  
  .demo-container {
    min-height: 300px;
  }
  
  .demo-btn {
    padding: 0.5rem 1rem;
    font-size: 1.2rem;
  }
}