/* Variables & Theming */
:root {
  --bg-dark: #0f1115;
  --bg-darker: #090a0c;
  --text-light: #f4f4f5;
  --text-muted: #a1a1aa;
  --accent-cyan: #22d3ee;
  --accent-purple: #c084fc;
  --glass-bg: rgba(255, 255, 255, 0.03);
  --glass-border: rgba(255, 255, 255, 0.08);

  --font-logo: 'Playfair Display', serif;
  --font-body: 'Plus Jakarta Sans', sans-serif;
  --accent-yellow: #fdc500;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  background-color: var(--bg-dark);
  /* Ensure background is dark after hero */
  color: var(--text-light);
  overflow-x: hidden;
  line-height: 1.6;
}

/* Typography */
h1,
h2,
h3,
h4,
h5,
h6 {
  font-weight: 700;
  line-height: 1.2;
}

a {
  text-decoration: none;
  color: inherit;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 5%;
}

.section {
  padding: 100px 0;
}

.section-title {
  font-family: var(--font-logo);
  font-size: 3rem;
  margin-bottom: 20px;
  background: linear-gradient(135deg, #fff 0%, #a1a1aa 100%);
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.section-subtitle {
  font-size: 1.25rem;
  color: var(--text-muted);
  max-width: 600px;
  margin-bottom: 40px;
}

/* Navbar */
.navbar {
  position: fixed;
  top: 0;
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 5%;
  background: transparent;
  z-index: 1000;
  transition: all 0.3s ease;
}

.navbar.dark-nav {
  background: rgba(15, 17, 21, 0.9);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--glass-border);
}

.navbar.dark-nav * {
  color: var(--text-light) !important;
}

.logo {
  font-family: var(--font-logo);
  font-size: 2rem;
  font-weight: 700;
  color: #000;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  border: 2px solid #000;
  transition: all 0.3s ease;
}

.navbar.dark-nav .logo {
  border-color: #fff;
}

.nav-links {
  display: flex;
  list-style: none;
  gap: 30px;
}

.nav-links li a {
  color: #000;
  font-weight: 600;
  text-transform: lowercase;
  font-size: 1.1rem;
  position: relative;
  transition: color 0.3s;
}

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

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

.social-icons-nav {
  display: flex;
  gap: 15px;
}

.social-icons-nav a {
  color: #000;
  font-size: 1.25rem;
  transition: transform 0.3s, color 0.3s;
}

.social-icons-nav a:hover {
  transform: translateY(-3px);
  color: var(--accent-cyan);
}

/* New Redesigned Hero Section */
.hero-new {
  position: relative;
  min-height: 100vh;
  width: 100%;
  background: linear-gradient(to bottom, #d1d5db, #f3f4f6);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  padding-top: 80px;
}

.hero-bg-text {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -60%);
  font-size: clamp(8rem, 25vw, 25rem);
  font-weight: 900;
  color: rgba(255, 255, 255, 0.45);
  font-family: var(--font-logo);
  white-space: nowrap;
  z-index: 1;
  pointer-events: none;
  user-select: none;
}

.hero-content-wrapper {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1200px;
  width: 100%;
  margin: 0 auto;
  min-height: 80vh;
}

.hero-text-content {
  flex: 1;
  max-width: 500px;
  padding: 0 5%;
  position: relative;
  z-index: 4;
}

.main-title {
  font-family: var(--font-logo);
  font-size: clamp(3rem, 5vw, 5.5rem);
  color: #111827;
  line-height: 0.95;
  margin-bottom: 25px;
  letter-spacing: -2px;
}

.hero-desc {
  font-size: 1.15rem;
  color: #374151;
  margin-bottom: 40px;
  line-height: 1.6;
}

.hero-buttons {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}

.btn {
  padding: 15px 35px;
  border-radius: 30px;
  font-weight: 700;
  font-size: 0.95rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  transition: all 0.3s ease;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.btn-primary {
  background: var(--accent-yellow);
  color: #000;
  border: none;
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 20px rgba(253, 197, 0, 0.3);
}

.btn-secondary {
  background: #fff;
  color: #000;
  border: none;
}

.btn-secondary:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

.hero-image-container {
  flex: 1;
  position: relative;
  height: 80vh;
  display: flex;
  align-items: flex-end;
  justify-content: center;
}

.hero-person {
  height: 100%;
  width: auto;
  object-fit: contain;
  border-radius: 24px;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
  display: block;
}

.hero-portrait-wrapper {
  position: relative;
  height: 95%;
  display: flex;
  align-items: flex-end;
  justify-content: center;
}

/* Floating Card */
.floating-card {
  position: absolute;
  right: -30px;
  bottom: 30%;
  background: #1f2937;
  border-radius: 12px;
  padding: 15px 20px 15px 15px;
  display: flex;
  align-items: center;
  gap: 15px;
  color: #fff;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
  transition: all 0.3s ease;
  overflow: hidden;
  z-index: 5;
  max-width: 260px;
}

.floating-card:hover {
  transform: scale(1.05) translateX(5px);
}

.card-bg {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(45deg, rgba(34, 211, 238, 0.1), rgba(192, 132, 252, 0.1));
  z-index: -1;
}

.play-btn {
  width: 45px;
  height: 45px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  backdrop-filter: blur(5px);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.play-btn i {
  color: #fff;
  font-size: 16px;
  margin-left: 3px;
}

.card-text {
  display: flex;
  flex-direction: column;
}

.card-subtitle {
  font-size: 0.75rem;
  color: #9ca3af;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.card-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--accent-yellow);
}

/* Slanted Divider Transition to Dark Mode */
.hero-divider {
  position: absolute;
  bottom: -2px;
  /* Pull down slightly to hide seam */
  left: 0;
  width: 100%;
  height: 150px;
  background: var(--bg-dark);
  clip-path: polygon(0 100%, 100% 20%, 100% 100%);
  z-index: 10;
}

/* Main Content Area */
.main-content {
  background: var(--bg-dark);
  position: relative;
  z-index: 10;
}

.bg-darker {
  background: var(--bg-darker);
}

/* Badges */
.social-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 15px;
  margin-top: 30px;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 30px;
  font-size: 0.9rem;
  font-weight: 500;
  transition: all 0.3s ease;
  backdrop-filter: blur(10px);
}

.badge:hover {
  background: rgba(255, 255, 255, 0.1);
  transform: translateY(-3px);
  border-color: var(--accent-cyan);
  box-shadow: 0 10px 20px rgba(34, 211, 238, 0.1);
}

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

.skill-category {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  padding: 30px;
  border-radius: 20px;
  transition: all 0.3s ease;
}

.skill-category:hover {
  transform: translateY(-5px);
  border-color: var(--accent-cyan);
  box-shadow: 0 10px 30px rgba(34, 211, 238, 0.1);
}

.skill-category h3 {
  font-size: 1.25rem;
  color: var(--accent-cyan);
  margin-bottom: 20px;
}

.skill-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.skill-tags span {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  padding: 6px 14px;
  border-radius: 20px;
  font-size: 0.85rem;
  color: var(--text-light);
  transition: all 0.3s ease;
}

.skill-tags span:hover {
  background: var(--accent-cyan);
  color: #000;
  border-color: var(--accent-cyan);
}

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

.timeline::before {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  left: 20px;
  width: 2px;
  background: var(--glass-border);
}

.timeline-item {
  position: relative;
  margin-bottom: 40px;
  padding-left: 60px;
}

.timeline-dot {
  position: absolute;
  top: 5px;
  left: 14px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--accent-purple);
  box-shadow: 0 0 15px var(--accent-purple);
}

.timeline-content {
  display: block;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  padding: 25px;
  border-radius: 16px;
  transition: transform 0.3s ease;
}

.timeline-content:hover {
  transform: translateX(10px);
  border-color: var(--accent-purple);
}

.timeline-content h3 {
  color: var(--accent-cyan);
  margin-bottom: 5px;
}

.timeline-content h4 {
  color: var(--text-light);
  margin-bottom: 15px;
  font-size: 1.25rem;
}

.timeline-content p {
  color: var(--text-muted);
}

/* Project Grid */
.project-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  gap: 30px;
}

.project-card {
  display: block;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 20px;
  padding: 30px;
  transition: all 0.4s ease;
  cursor: pointer;
  position: relative;
  overflow: hidden;
}

.project-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle at top right, rgba(34, 211, 238, 0.1), transparent 50%);
  opacity: 0;
  transition: opacity 0.4s ease;
}

.project-card:hover {
  transform: translateY(-10px);
  border-color: var(--accent-cyan);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

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

.project-year {
  display: inline-block;
  padding: 5px 12px;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 20px;
  font-size: 0.8rem;
  color: var(--accent-cyan);
  margin-bottom: 15px;
}

.project-card h3 {
  font-size: 1.5rem;
  margin-bottom: 15px;
}

.project-card p {
  color: var(--text-muted);
  font-size: 0.95rem;
}

/* Contact Form */
.contact-wrapper {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
}

.contact-details {
  margin-top: 40px;
}

.detail-item {
  display: flex;
  align-items: center;
  gap: 15px;
  margin-bottom: 20px;
  font-size: 1.1rem;
}

.detail-item i {
  color: var(--accent-cyan);
  font-size: 1.5rem;
}

.glass-form {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  padding: 40px;
  border-radius: 24px;
  box-shadow: 0 10px 40px rgba(34, 211, 238, 0.05);
  transition: all 0.3s ease;
}

.glass-form:hover {
  box-shadow: 0 10px 40px rgba(34, 211, 238, 0.15);
  border-color: rgba(34, 211, 238, 0.2);
}

.input-group {
  position: relative;
  margin-bottom: 30px;
}

.input-group input,
.input-group textarea {
  width: 100%;
  padding: 15px 0 15px 35px;
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--text-muted);
  color: var(--text-light);
  font-size: 1rem;
  font-family: var(--font-body);
  transition: all 0.3s ease;
  resize: none;
}

.input-icon {
  position: absolute;
  top: 50%;
  left: 0;
  transform: translateY(-50%);
  color: var(--accent-cyan);
  font-size: 1.1rem;
  transition: all 0.3s ease;
}

.input-group:focus-within .input-icon {
  color: var(--accent-purple);
  transform: translateY(-50%) scale(1.1);
}

.input-group input:focus,
.input-group textarea:focus {
  outline: none;
  border-color: var(--accent-cyan);
}

.input-group label {
  position: absolute;
  top: 15px;
  left: 0;
  color: var(--text-muted);
  background: transparent;
  transition: all 0.3s ease;
  pointer-events: none;
  opacity: 0;
  /* Hidden by default if using placeholder */
}

/* Simplified form behavior using placeholders for styling focus state differences */
.input-group input::placeholder,
.input-group textarea::placeholder {
  color: var(--text-muted);
}

.input-group input:focus::placeholder,
.input-group textarea:focus::placeholder {
  color: transparent;
}


.submit-btn {
  width: 100%;
  padding: 18px;
  background: linear-gradient(135deg, var(--accent-cyan), var(--accent-purple));
  color: #fff;
  border: none;
  border-radius: 12px;
  font-size: 1.1rem;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 10px;
  transition: all 0.3s ease;
  font-family: var(--font-body);
}

.submit-btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 15px 30px rgba(192, 132, 252, 0.3);
}

.submit-btn i {
  transition: transform 0.3s;
}

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

.form-status {
  margin-top: 15px;
  text-align: center;
  font-weight: 500;
  border-radius: 8px;
  padding: 10px;
  display: none;
}

.form-status.success {
  display: block;
  background: rgba(16, 185, 129, 0.1);
  color: #10b981;
  border: 1px solid rgba(16, 185, 129, 0.2);
}

.form-status.error {
  display: block;
  background: rgba(239, 68, 68, 0.1);
  color: #ef4444;
  border: 1px solid rgba(239, 68, 68, 0.2);
}

.footer {
  background: var(--bg-darker);
  padding: 40px 0;
  border-top: 1px solid var(--glass-border);
  color: var(--text-muted);
  text-align: center;
}

/* Animations & Responsive */
.fade-up {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 1200px) {
  .floating-card {
    right: 10px;
  }
}

@media (max-width: 900px) {
  .hero-content-wrapper {
    flex-direction: column;
    text-align: center;
    padding: 40px 5% 100px 5%;
    gap: 40px;
    min-height: auto;
  }

  .hero-text-content {
    max-width: 100%;
    padding: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
  }

  .hero-desc {
    margin-bottom: 25px;
  }

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

  .hero-image-container {
    width: 100%;
    height: 50vh;
    min-height: 400px;
    display: flex;
    justify-content: center;
  }

  .hero-portrait-wrapper {
    height: 100%;
  }

  .floating-card {
    right: 10px;
    bottom: 15%;
  }
}

@media (max-width: 480px) {
  .floating-card {
    left: 50%;
    right: auto;
    bottom: 10%;
    transform: translateX(-50%);
    width: 90%;
    max-width: 280px;
  }
  .floating-card:hover {
    transform: scale(1.05) translateX(-50%);
  }
}

@media (max-width: 900px) {
  .contact-wrapper {
    grid-template-columns: 1fr;
  }
}