/* 3D Modern Portfolio Stylesheet for Abdullah */
@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&family=Space+Grotesk:wght@500;700&display=swap');

:root {
  --bg-dark: #080c14;
  --bg-card: rgba(15, 23, 42, 0.65);
  --bg-card-hover: rgba(22, 34, 61, 0.85);
  --accent-blue: #3b82f6;
  --accent-cyan: #06b6d4;
  --accent-purple: #8b5cf6;
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --border-light: rgba(255, 255, 255, 0.08);
  --radius-lg: 16px;
  --radius-xl: 24px;
  --font-heading: 'Space Grotesk', 'Plus Jakarta Sans', sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  background-color: var(--bg-dark);
  color: var(--text-main);
  line-height: 1.6;
  overflow-x: hidden;
  position: relative;
}

/* 3D WebGL Background Canvas */
#bg-3d {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  z-index: -2;
  pointer-events: none;
}

.glow-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  z-index: -1;
  pointer-events: none;
  background: 
    radial-gradient(circle at 10% 20%, rgba(59, 130, 246, 0.12) 0%, transparent 40%),
    radial-gradient(circle at 90% 80%, rgba(139, 92, 246, 0.12) 0%, transparent 40%),
    radial-gradient(circle at 50% 50%, rgba(6, 182, 212, 0.06) 0%, transparent 60%);
}

/* Navbar (Position: Relative - Always Visible Top) */
.navbar {
  position: relative;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 100;
  background: rgba(8, 12, 20, 0.95);
  border-bottom: 1px solid var(--border-light);
  padding: 1.2rem 0;
}

.nav-container {
  max-width: 1300px;
  margin: 0 auto;
  padding: 0 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav-brand {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  font-weight: 700;
  color: #fff;
  text-decoration: none;
  letter-spacing: -0.02em;
}

.nav-brand span {
  color: var(--accent-cyan);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.8rem;
}

.nav-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.92rem;
  font-weight: 600;
  transition: color 0.3s ease;
}

.nav-links a:hover {
  color: #fff;
}

.nav-btn {
  padding: 0.5rem 1.2rem;
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.2), rgba(139, 92, 246, 0.2));
  border: 1px solid rgba(59, 130, 246, 0.4);
  border-radius: 50px;
  color: #fff !important;
}

/* Hero Section */
.hero-section {
  padding: 5rem 1.5rem 4rem;
  text-align: center;
}

.hero-container {
  max-width: 900px;
  margin: 0 auto;
}

.hero-badge {
  display: inline-block;
  padding: 0.4rem 1.2rem;
  background: rgba(6, 182, 212, 0.12);
  border: 1px solid rgba(6, 182, 212, 0.3);
  border-radius: 50px;
  color: var(--accent-cyan);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  margin-bottom: 1.5rem;
}

.hero-title {
  font-family: var(--font-heading);
  font-size: 3.2rem;
  font-weight: 700;
  line-height: 1.15;
  background: linear-gradient(135deg, #ffffff 0%, #cbd5e1 50%, #94a3b8 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 1.2rem;
}

.hero-subtext {
  font-size: 1.25rem;
  color: var(--text-muted);
  max-width: 680px;
  margin: 0 auto 2.5rem;
}

.hero-cta {
  display: flex;
  justify-content: center;
  gap: 1.2rem;
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 0.8rem 2.2rem;
  border-radius: 50px;
  font-size: 0.95rem;
  font-weight: 700;
  text-decoration: none;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple));
  color: #fff;
  box-shadow: 0 4px 20px rgba(59, 130, 246, 0.35);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(59, 130, 246, 0.5);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-light);
  color: #fff;
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.12);
}

.btn-block {
  width: 100%;
  text-align: center;
  border: none;
}

/* Common Section Styles */
.section-container {
  max-width: 1300px;
  margin: 0 auto;
  padding: 4rem 1.5rem;
}

.section-header {
  text-align: center;
  margin-bottom: 3.5rem;
}

.section-subtitle {
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent-cyan);
  margin-bottom: 0.4rem;
  display: block;
}

.section-title {
  font-family: var(--font-heading);
  font-size: 2.4rem;
  font-weight: 700;
  color: #fff;
}

/* HIGH-PERFORMANCE BOTTOM-TO-TOP SCROLL ANIMATION */
.scroll-reveal {
  opacity: 0;
  transform: translateY(50px) scale(0.98);
  transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1), transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: opacity, transform;
}

.scroll-reveal.visible {
  opacity: 1 !important;
  transform: translateY(0) scale(1) !important;
}

/* 3D Tilt Card Base Styling */
.tilt-card {
  perspective: 1000px;
  transform-style: preserve-3d;
  transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
  will-change: transform;
}

/* Bento Grid Services */
.bento-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
}

.bento-card {
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-xl);
  padding: 2.5rem;
  position: relative;
  overflow: hidden;
}

.bento-card:hover {
  border-color: rgba(59, 130, 246, 0.5);
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.4), 0 0 20px rgba(59, 130, 246, 0.15);
}

.bento-number {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--accent-cyan);
  margin-bottom: 1.2rem;
}

.bento-title {
  font-size: 1.4rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 0.8rem;
}

.bento-desc {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.5;
  margin-bottom: 1.8rem;
}

.tech-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.tech-tags span {
  font-size: 0.78rem;
  font-weight: 600;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-light);
  padding: 0.3rem 0.8rem;
  border-radius: 50px;
  color: var(--text-main);
}

/* Filter Nav */
.filter-nav {
  display: flex;
  justify-content: center;
  gap: 0.6rem;
  flex-wrap: wrap;
  margin-bottom: 3rem;
}

.filter-btn {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-light);
  color: var(--text-muted);
  padding: 0.6rem 1.4rem;
  border-radius: 50px;
  font-size: 0.88rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
}

.filter-btn:hover {
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
}

.filter-btn.active {
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple));
  color: #fff;
  border-color: transparent;
  box-shadow: 0 4px 20px rgba(59, 130, 246, 0.4);
}

/* Gallery Grid */
.gallery-container {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 1.8rem;
}

.card {
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-xl);
  overflow: hidden;
  cursor: pointer;
  display: flex;
  flex-direction: column;
}

.card-img-wrapper {
  width: 100%;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: radial-gradient(circle at center, #0f172a 0%, #030712 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 12px;
}

.card-img-wrapper img {
  max-width: 100%;
  max-height: 100%;
  width: auto;
  height: auto;
  object-fit: contain;
  transition: transform 0.4s ease;
  filter: drop-shadow(0 6px 12px rgba(0, 0, 0, 0.4));
}

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

.card-info {
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.card-category {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--accent-cyan);
  margin-bottom: 0.4rem;
}

.card-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 0.4rem;
}

.card-desc {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.4;
}

/* About Card */
.about-card {
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-xl);
  padding: 3.5rem;
  max-width: 900px;
  margin: 0 auto;
}

.about-text {
  font-size: 1.05rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin-top: 1rem;
}

.skills-wrapper {
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border-light);
}

.skills-title {
  font-size: 1rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 1rem;
}

.skills-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.skill-pill {
  padding: 0.4rem 1rem;
  background: rgba(59, 130, 246, 0.1);
  border: 1px solid rgba(59, 130, 246, 0.25);
  border-radius: 50px;
  color: var(--text-main);
  font-size: 0.85rem;
  font-weight: 600;
}

/* Contact Card & Form */
.contact-card {
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-xl);
  padding: 3.5rem;
  max-width: 800px;
  margin: 0 auto;
}

.contact-header {
  text-align: center;
  margin-bottom: 2.5rem;
}

.contact-subtext {
  color: var(--text-muted);
  margin-top: 0.5rem;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.form-group label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-muted);
}

.form-group input,
.form-group select,
.form-group textarea {
  background: rgba(8, 12, 20, 0.7);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 0.8rem 1.2rem;
  color: #fff;
  font-family: inherit;
  font-size: 0.95rem;
  outline: none;
  transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--accent-blue);
}

/* Modal */
.modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(4, 7, 13, 0.93);
  backdrop-filter: blur(20px);
  z-index: 1000;
  display: flex;
  justify-content: center;
  align-items: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
  padding: 2rem;
}

.modal.active {
  opacity: 1;
  pointer-events: auto;
}

.modal-content {
  max-width: 950px;
  width: 100%;
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-xl);
  overflow: hidden;
  position: relative;
}

.modal-img-wrapper {
  max-height: 70vh;
  width: 100%;
  background: #030712;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 16px;
}

.modal-img-wrapper img {
  max-width: 100%;
  max-height: 65vh;
  object-fit: contain;
}

.modal-details {
  padding: 1.5rem;
}

.close-modal {
  position: absolute;
  top: 1rem;
  right: 1.2rem;
  background: rgba(0, 0, 0, 0.7);
  border: 1px solid var(--border-light);
  color: #fff;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  font-size: 1.5rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}

footer {
  text-align: center;
  padding: 2.5rem 1.5rem;
  border-top: 1px solid var(--border-light);
  color: var(--text-muted);
  font-size: 0.9rem;
}

/* Reduced Motion Override */
@media (prefers-reduced-motion: reduce) {
  .tilt-card {
    perspective: none !important;
    transform: none !important;
  }
  .scroll-reveal {
    opacity: 1 !important;
    transform: none !important;
  }
}

@media (max-width: 768px) {
  .hero-title {
    font-size: 2.2rem;
  }
  .form-row {
    grid-template-columns: 1fr;
  }
  .about-card, .contact-card {
    padding: 2rem 1.5rem;
  }
  .nav-links a:not(.nav-btn) {
    display: none;
  }
}