/* ===== CSS RESET ===== */
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}

/* ===== THEME VARIABLES ===== */
:root{
  /* Dark theme (default) */
  --bg-primary:#0a0e17;
  --bg-secondary:#111827;
  --bg-card:#1a2235;
  --bg-card-hover:#1f2a40;
  --bg-glass:rgba(17,24,39,0.85);
  --text-primary:#f0f4f8;
  --text-secondary:#94a3b8;
  --text-muted:#64748b;
  --accent:#00d4ff;
  --accent-dark:#0099cc;
  --accent-glow:rgba(0,212,255,0.25);
  --accent-rgb:0,212,255;
  --danger:#ff4757;
  --success:#00e676;
  --border:rgba(255,255,255,0.08);
  --border-hover:rgba(0,212,255,0.4);
  --shadow-card:0 8px 32px rgba(0,0,0,0.4);
  --shadow-glow:0 0 20px rgba(0,212,255,0.2);
  --gradient-accent:linear-gradient(135deg,#00d4ff 0%,#0099cc 50%,#0066aa 100%);
  --gradient-bg:linear-gradient(160deg,#0a0e17 0%,#111827 50%,#0f172a 100%);
  --font-display:'Orbitron',sans-serif;
  --font-body:'Inter',sans-serif;
  --radius:12px;
  --transition:0.3s cubic-bezier(0.4,0,0.2,1);
}

[data-theme="light"]{
  --bg-primary:#f0f4f8;
  --bg-secondary:#dfe6ef;
  --bg-card:#ffffff;
  --bg-card-hover:#eef2f7;
  --bg-glass:rgba(240,244,248,0.92);
  --text-primary:#0f172a;
  --text-secondary:#334155;
  --text-muted:#64748b;
  --accent:#0057a3;
  --accent-dark:#003d75;
  --accent-glow:rgba(0,87,163,0.2);
  --accent-rgb:0,87,163;
  --danger:#dc2626;
  --success:#059669;
  --border:rgba(0,0,0,0.12);
  --border-hover:rgba(0,87,163,0.5);
  --shadow-card:0 4px 20px rgba(0,0,0,0.1),0 1px 4px rgba(0,0,0,0.06);
  --shadow-glow:0 0 20px rgba(0,87,163,0.2);
  --gradient-accent:linear-gradient(135deg,#0057a3 0%,#0077b6 50%,#0096c7 100%);
  --gradient-bg:linear-gradient(160deg,#f0f4f8 0%,#dfe6ef 50%,#e8ecf1 100%);
}

/* ===== BASE ===== */
html{scroll-behavior:smooth;font-size:16px}
body{
  font-family:var(--font-body);
  background:var(--bg-primary);
  color:var(--text-primary);
  line-height:1.7;
  overflow-x:hidden;
  transition:background var(--transition),color var(--transition);
}
.container{max-width:1200px;margin:0 auto;padding:0 1.5rem}
.section{padding:6rem 0}

/* ===== BUTTONS ===== */
.btn{
  display:inline-block;padding:0.85rem 2rem;border:none;border-radius:var(--radius);
  font-family:var(--font-display);font-weight:700;font-size:0.85rem;letter-spacing:0.5px;
  text-decoration:none;text-align:center;cursor:pointer;
  transition:all var(--transition);position:relative;overflow:hidden;
  user-select:none;-webkit-user-drag:none;
}
.btn-primary{
  background:var(--gradient-accent);color:#fff;
  box-shadow:var(--shadow-glow);
}
.btn-primary:hover{
  transform:translateY(-3px) scale(1.02);
  box-shadow:0 0 40px rgba(var(--accent-rgb),0.4);
}
.btn-secondary{
  background:transparent;color:var(--accent);
  border:2px solid var(--accent);
}
.btn-secondary:hover{
  background:var(--accent);color:var(--bg-primary);
  transform:translateY(-3px);
}

/* ===== HEADER ===== */
.header{
  position:fixed;top:0;left:0;width:100%;
  background:var(--bg-glass);
  backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);
  z-index:1000;transition:all var(--transition);
  border-bottom:1px solid var(--border);
}
.header.scrolled{
  box-shadow:0 4px 30px rgba(0,0,0,0.3);
  border-bottom:1px solid rgba(var(--accent-rgb),0.15);
}
.nav{display:flex;justify-content:space-between;align-items:center;padding:0.75rem 0}
.logo{
  font-family:var(--font-display);font-size:1.4rem;font-weight:900;
  color:var(--accent);text-decoration:none;
  display:flex;align-items:center;gap:0.5rem;
  user-select:none;-webkit-user-drag:none;
  transition:transform 0.3s ease;
}
.logo:hover{transform:scale(1.03)}
#RudraVault-logo{
  width:3em;border:2px solid var(--accent);border-radius:26%;
  user-select:none;-webkit-user-drag:none;
}
.nav-menu{display:flex;list-style:none;gap:1.5rem;align-items:center}
.nav-link{
  color:var(--text-secondary);text-decoration:none;font-weight:500;
  transition:color var(--transition);position:relative;
  user-select:none;-webkit-user-drag:none;
}
.nav-link:hover,.nav-link.active{color:var(--accent)}
.nav-link::after{
  content:'';position:absolute;bottom:-4px;left:0;width:0;height:2px;
  background:var(--gradient-accent);transition:width var(--transition);
  box-shadow:0 0 8px rgba(var(--accent-rgb),0.3);
}
.nav-link:hover::after,.nav-link.active::after{width:100%}

/* Theme Toggle */
.theme-toggle{
  width:44px;height:44px;border-radius:50%;border:2px solid var(--border);
  background:var(--bg-card);color:var(--accent);font-size:1.1rem;
  cursor:pointer;display:flex;align-items:center;justify-content:center;
  transition:all var(--transition);
}
.theme-toggle:hover{border-color:var(--accent);transform:rotate(30deg) scale(1.1)}

/* Hamburger */
.nav-toggle{display:none;flex-direction:column;cursor:pointer;gap:5px}
.nav-toggle span{width:25px;height:3px;background:var(--text-primary);transition:all var(--transition);border-radius:2px}
.nav-toggle.active span:nth-child(1){transform:rotate(45deg) translate(5px,6px)}
.nav-toggle.active span:nth-child(2){opacity:0}
.nav-toggle.active span:nth-child(3){transform:rotate(-45deg) translate(6px,-6px)}

/* ===== HERO ===== */
.hero{
  display:flex;justify-content:center;align-items:center;text-align:center;
  min-height:100vh;position:relative;overflow:hidden;
  background:var(--gradient-bg);
}
.hero::before{
  content:'';position:absolute;inset:0;
  background:radial-gradient(ellipse at 50% 0%,rgba(var(--accent-rgb),0.08) 0%,transparent 60%);
  pointer-events:none;
}
.hero::after{
  content:'';position:absolute;inset:0;
  background-image:
    linear-gradient(rgba(var(--accent-rgb),0.03) 1px,transparent 1px),
    linear-gradient(90deg,rgba(var(--accent-rgb),0.03) 1px,transparent 1px);
  background-size:60px 60px;
  animation:gridMove 20s linear infinite;
  pointer-events:none;
}
@keyframes gridMove{to{transform:translate(60px,60px)}}

/* Hero Mouse Glow */
.hero-glow{
  position:absolute;width:500px;height:500px;border-radius:50%;
  background:radial-gradient(circle,rgba(var(--accent-rgb),0.12) 0%,transparent 70%);
  pointer-events:none;z-index:1;
  transform:translate(-50%,-50%);opacity:0;
  transition:opacity 0.4s ease;
}

/* ===== FLOATING 3D SHAPES ===== */
.hero-shapes{position:absolute;inset:0;pointer-events:none;z-index:1;overflow:hidden}
.shape{position:absolute}

/* 3D Wireframe Cube */
.shape-cube{
  width:80px;height:80px;top:15%;left:8%;
  transform-style:preserve-3d;
  animation:cubeRotate 12s linear infinite;
}
.cube-face{
  position:absolute;width:80px;height:80px;
  border:1.5px solid rgba(var(--accent-rgb),0.2);
  background:rgba(var(--accent-rgb),0.02);
}
.cube-front{transform:translateZ(40px)}
.cube-back{transform:rotateY(180deg) translateZ(40px)}
.cube-left{transform:rotateY(-90deg) translateZ(40px)}
.cube-right{transform:rotateY(90deg) translateZ(40px)}
.cube-top{transform:rotateX(90deg) translateZ(40px)}
.cube-bottom{transform:rotateX(-90deg) translateZ(40px)}
@keyframes cubeRotate{
  0%{transform:rotateX(0) rotateY(0) rotateZ(0)}
  100%{transform:rotateX(360deg) rotateY(360deg) rotateZ(180deg)}
}

/* Spinning Ring */
.shape-ring{
  width:120px;height:120px;top:20%;right:10%;
  border:2px solid rgba(var(--accent-rgb),0.15);
  border-top-color:var(--accent);border-radius:50%;
  animation:ringRotate 8s linear infinite,float 6s ease-in-out infinite;
}
@keyframes ringRotate{to{transform:rotate(360deg)}}

/* Floating Hexagon */
.shape-hex{
  width:60px;height:60px;bottom:25%;left:12%;
  background:rgba(var(--accent-rgb),0.06);
  clip-path:polygon(50% 0%,100% 25%,100% 75%,50% 100%,0% 75%,0% 25%);
  border:none;
  animation:float 8s ease-in-out infinite 2s,hexPulse 4s ease-in-out infinite;
}
@keyframes hexPulse{
  0%,100%{transform:scale(1);opacity:0.5}
  50%{transform:scale(1.15);opacity:0.8}
}

/* Particle Dots */
.shape-dot{
  width:6px;height:6px;border-radius:50%;
  background:var(--accent);
  animation:float 5s ease-in-out infinite;
  box-shadow:0 0 8px rgba(var(--accent-rgb),0.4);
}
.shape-dot-1{top:30%;right:20%;animation-delay:0s;opacity:0.7}
.shape-dot-2{top:60%;right:8%;animation-delay:1.2s;opacity:0.5;width:4px;height:4px}
.shape-dot-3{bottom:20%;right:25%;animation-delay:2.5s;opacity:0.6;width:5px;height:5px}
.shape-dot-4{top:40%;left:20%;animation-delay:0.8s;opacity:0.4;width:3px;height:3px}
.shape-dot-5{bottom:35%;left:6%;animation-delay:3s;opacity:0.6;width:7px;height:7px}

@keyframes float{
  0%,100%{transform:translateY(0)}
  50%{transform:translateY(-20px)}
}

.hero-content{position:relative;z-index:2;max-width:800px;margin:0 auto;padding:2rem}
.hero-title{
  font-family:var(--font-display);
  font-size:clamp(1.8rem,4vw,3.2rem);
  font-weight:900;margin-bottom:1rem;
  background:var(--gradient-accent);
  -webkit-background-clip:text;-webkit-text-fill-color:transparent;
  background-clip:text;line-height:1.2;
}
.cursor{
  margin:0 3px;background:var(--gradient-accent);border-radius:3px;
  animation:blink-caret 0.7s step-end infinite;
}
@keyframes blink-caret{0%,100%{opacity:1}50%{opacity:0}}
.hero-tagline{
  font-family:var(--font-display);font-size:clamp(0.75rem,1.5vw,0.95rem);
  color:var(--accent);letter-spacing:2px;text-transform:uppercase;
  margin-bottom:1.5rem;opacity:0.85;
}
.hero-subtitle{
  font-size:clamp(1rem,2vw,1.15rem);color:var(--text-secondary);
  margin-bottom:2.5rem;font-weight:300;line-height:1.8;max-width:700px;margin-left:auto;margin-right:auto;
}
.hero-cta{display:flex;gap:1rem;justify-content:center;flex-wrap:wrap}

/* ===== 3D FEATURE CARDS ===== */
.features{background:var(--bg-secondary);transition:background var(--transition)}
.section-title{
  font-family:var(--font-display);font-size:clamp(1.6rem,4vw,2.5rem);
  text-align:center;margin-bottom:1rem;color:var(--text-primary);
}
.section-subtitle{
  text-align:center;color:var(--text-secondary);font-size:1.05rem;
  margin-bottom:3rem;max-width:600px;margin-left:auto;margin-right:auto;
}
.features-grid{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(280px,1fr));
  gap:1.5rem;margin-top:1rem;
  perspective:1200px;
}
.feature-card{
  background:var(--bg-card);padding:2.5rem 2rem;border-radius:var(--radius);
  text-align:center;position:relative;overflow:hidden;
  border:1px solid var(--border);
  box-shadow:var(--shadow-card);
  transition:all 0.4s cubic-bezier(0.4,0,0.2,1);
  transform-style:preserve-3d;
  will-change:transform;
}
.feature-card::before{
  content:'';position:absolute;top:0;left:0;right:0;height:3px;
  background:var(--gradient-accent);opacity:0;transition:opacity var(--transition);
}
.feature-card:hover{
  transform:translateY(-8px) rotateX(2deg);
  border-color:var(--border-hover);
  box-shadow:0 20px 60px rgba(0,0,0,0.3),0 0 30px rgba(var(--accent-rgb),0.1);
}
.feature-card:hover::before{opacity:1}
.feature-icon{
  width:64px;height:64px;border-radius:16px;margin:0 auto 1.5rem;
  display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,rgba(var(--accent-rgb),0.15),rgba(var(--accent-rgb),0.05));
  color:var(--accent);font-size:1.5rem;
  transition:all var(--transition);
  box-shadow:0 4px 15px rgba(var(--accent-rgb),0.1);
}
.feature-card:hover .feature-icon{
  transform:scale(1.1) translateZ(20px);
  box-shadow:0 8px 25px rgba(var(--accent-rgb),0.25);
}
.feature-title{
  font-family:var(--font-display);font-size:1.15rem;
  margin-bottom:0.75rem;color:var(--text-primary);
}
.feature-description{color:var(--text-secondary);line-height:1.7;font-size:0.95rem}

/* ===== BUILDING PHASE ===== */
.building-phase{
  background:var(--bg-card);
  border-top:1px solid var(--border);border-bottom:1px solid var(--border);
  transition:background var(--transition);
  position:relative;overflow:hidden;
}
.building-phase::after{
  content:'';position:absolute;inset:0;
  background:radial-gradient(ellipse at 50% 50%,rgba(var(--accent-rgb),0.04) 0%,transparent 70%);
  pointer-events:none;
}
.building-phase .section-icon{
  font-size:2.5rem;color:var(--accent);margin-bottom:1rem;display:block;text-align:center;
  animation:hammerPulse 2s ease-in-out infinite;
}
@keyframes hammerPulse{
  0%,100%{transform:scale(1) rotate(0deg)}
  25%{transform:scale(1.15) rotate(-10deg)}
  50%{transform:scale(1) rotate(0deg)}
  75%{transform:scale(1.1) rotate(5deg)}
}

/* ===== ABOUT ===== */
.about{background:var(--bg-primary);transition:background var(--transition)}
.about-content{
  display:grid;grid-template-columns:1fr 1fr;
  gap:3rem;align-items:center;
}
.about-text h3{
  font-family:var(--font-display);font-size:1.6rem;
  margin-bottom:1rem;color:var(--accent);
}
.about-text h3 i{transition:transform 0.3s ease}
.about-text h3:hover i{transform:translateX(5px) scale(1.1)}
.about-text p{
  color:var(--text-secondary);margin-bottom:1rem;font-size:1.05rem;
  opacity:0;transform:translateY(15px);
  transition:opacity 0.5s ease,transform 0.5s ease;
}
.about-text p.revealed{opacity:1;transform:translateY(0)}
.about-image{
  position:relative;border-radius:var(--radius);overflow:hidden;
  box-shadow:var(--shadow-card);transition:all 0.4s ease;
  transform-style:preserve-3d;perspective:800px;
}
.about-image::after{
  content:'';position:absolute;inset:-2px;border-radius:var(--radius);
  background:linear-gradient(135deg,rgba(var(--accent-rgb),0.4),transparent 40%,transparent 60%,rgba(var(--accent-rgb),0.4));
  opacity:0;transition:opacity 0.5s ease;z-index:1;pointer-events:none;
}
.about-image:hover::after{opacity:1}
.about-image:hover{
  box-shadow:0 20px 60px rgba(0,0,0,0.4),0 0 40px rgba(var(--accent-rgb),0.15);
  transform:rotateY(-2deg) rotateX(1deg);
}
.about-image-inner{
  background:var(--bg-secondary);display:flex;align-items:center;justify-content:center;
}
.about-image-inner img{width:100%;height:auto;object-fit:cover;user-select:none;-webkit-user-drag:none}

/* ===== BLOG ===== */
.blog{background:var(--bg-secondary);transition:background var(--transition)}
.blog-grid{
  display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));
  gap:1.5rem;margin-top:2rem;perspective:1000px;
}
.blog-card{
  background:var(--bg-card);border-radius:var(--radius);overflow:hidden;
  box-shadow:var(--shadow-card);border:1px solid var(--border);
  transition:all 0.4s cubic-bezier(0.4,0,0.2,1);
  transform-style:preserve-3d;
}
.blog-card:hover{
  transform:translateY(-8px) rotateX(1deg);
  box-shadow:0 20px 60px rgba(0,0,0,0.3),0 0 25px rgba(var(--accent-rgb),0.12);
  border-color:var(--border-hover);
}
.blog-image{height:200px;overflow:hidden}
.blog-image img{width:100%;height:100%;object-fit:cover;transition:transform 0.5s ease;user-select:none;-webkit-user-drag:none}
.blog-card:hover .blog-image img{transform:scale(1.05)}
.blog-content{padding:1.5rem}
.blog-meta{color:var(--text-muted);font-size:0.85rem;margin-bottom:0.75rem;display:flex;align-items:center;gap:0.5rem}
.blog-meta i{color:var(--accent)}
.blog-title{margin-bottom:0.75rem}
.blog-title a{
  text-decoration:none;font-family:var(--font-display);font-size:1.05rem;
  color:var(--text-primary);cursor:pointer;transition:color var(--transition);
  user-select:none;-webkit-user-drag:none;
}
.blog-title a:hover{color:var(--accent)}
.blog-excerpt{color:var(--text-secondary);margin-bottom:1rem;line-height:1.6;font-size:0.95rem}
.blog-link{
  color:var(--accent);text-decoration:none;font-weight:600;
  transition:all var(--transition);display:inline-flex;align-items:center;gap:0.5rem;
  user-select:none;-webkit-user-drag:none;
}
.blog-link:hover{gap:0.75rem}
.blog-link i{font-size:0.8rem;transition:transform var(--transition)}
.blog-link:hover i{transform:translateX(3px)}

/* Blog Toggle */
.blog-card-hidden{
  display:none;opacity:0;transform:translateY(20px);
}
.blog-grid.expanded .blog-card-hidden{
  display:block;opacity:1;transform:translateY(0);
  animation:fadeInUp 0.5s ease forwards;
}
.blog-toggle-wrap{text-align:center;margin-top:2.5rem}
.blog-toggle-btn{
  min-width:180px;
  transition:all var(--transition);
}
.blog-toggle-btn i{transition:transform 0.3s ease}
.blog-toggle-btn.rotated i{transform:rotate(180deg)}

/* ===== READING PROGRESS BAR ===== */
.reading-progress{
  position:fixed;top:0;left:0;height:3px;width:0%;z-index:9999;
  background:var(--gradient-accent);
  box-shadow:0 0 10px rgba(var(--accent-rgb),0.5);
  transition:width 0.1s linear;
}

/* ===== BLOG PAGE ===== */
.hero-content,.blog-page-content{max-width:800px;margin:auto;padding:2rem}
.blog-page-content h2{
  margin-top:2rem;color:var(--accent);font-family:var(--font-display);font-size:1.3rem;
  opacity:0;transform:translateX(-20px);
  transition:opacity 0.6s ease,transform 0.6s ease;
}
.blog-page-content h2.revealed{opacity:1;transform:translateX(0)}
.blog-page-content h2 i{margin-right:0.5rem;transition:transform 0.3s ease}
.blog-page-content h2:hover i{transform:scale(1.2) rotate(-5deg)}
.blog-hero-img{
  width:min(100%,600px);height:auto;border-radius:var(--radius);
  box-shadow:var(--shadow-card);margin:1.5rem auto;display:block;
  opacity:0;transform:scale(0.95);
  transition:opacity 0.8s ease,transform 0.8s ease;
}
.blog-hero-img.revealed{opacity:1;transform:scale(1)}
.blog-page-content p,.blog-page-content ul,.blog-page-content ol{
  color:var(--text-secondary);line-height:1.8;margin-top:1rem;
  opacity:0;transform:translateY(15px);
  transition:opacity 0.5s ease,transform 0.5s ease;
}
.blog-page-content p.revealed,.blog-page-content ul.revealed,.blog-page-content ol.revealed{
  opacity:1;transform:translateY(0);
}
.blog-page-content em{font-size:0.9rem;color:var(--text-muted)}
.blog-page-content ul li,.blog-page-content ol li{margin:0.5rem 0}
.blog-page-content blockquote{
  border-left:3px solid var(--accent);padding:1rem 1.5rem;
  margin:2rem 0;background:rgba(var(--accent-rgb),0.05);border-radius:0 var(--radius) var(--radius) 0;
  opacity:0;transform:translateX(20px);
  transition:opacity 0.6s ease,transform 0.6s ease;
}
.blog-page-content blockquote.revealed{opacity:1;transform:translateX(0)}

/* ===== CONTACT ===== */
.contact{background:var(--bg-primary);transition:background var(--transition)}
.contact-content{display:grid;grid-template-columns:1fr 1fr;gap:3rem}
.contact-info h3{font-family:var(--font-display);font-size:1.5rem;margin-bottom:1rem;color:var(--accent)}
.contact-info p{color:var(--text-secondary);margin-bottom:1.5rem;font-size:1.05rem;line-height:1.8}
.contact-info-item{display:flex;align-items:flex-start;gap:1rem;margin-bottom:1.25rem}
.contact-info-item i{color:var(--accent);font-size:1.2rem;margin-top:0.2rem;width:20px;text-align:center}
.contact-info-item p{margin:0;font-size:0.95rem}
.contact-form{
  background:var(--bg-card);padding:2.5rem;border-radius:var(--radius);
  border:1px solid var(--border);box-shadow:var(--shadow-card);
  transition:background var(--transition);
}
.form-group{margin-bottom:1.25rem}
.form-label{display:block;margin-bottom:0.4rem;color:var(--text-primary);font-weight:500;font-size:0.95rem}
.form-input,.form-textarea{
  width:100%;padding:0.85rem 1rem;background:var(--bg-primary);
  border:2px solid var(--border);border-radius:8px;
  color:var(--text-primary);font-family:var(--font-body);font-size:0.95rem;
  transition:border-color var(--transition),box-shadow var(--transition);
}
.form-input:focus,.form-textarea:focus{
  outline:none;border-color:var(--accent);
  box-shadow:0 0 0 3px rgba(var(--accent-rgb),0.15),0 0 20px rgba(var(--accent-rgb),0.08);
  transform:translateY(-1px);
}
.form-textarea{resize:vertical;min-height:120px}
.form-error{color:var(--danger);font-size:0.85rem;margin-top:0.4rem;display:none}
.form-success{
  color:var(--success);text-align:center;margin-top:1rem;display:none;font-weight:500;
  animation:successPop 0.5s ease;
}
@keyframes successPop{
  0%{opacity:0;transform:scale(0.8)}
  50%{transform:scale(1.05)}
  100%{opacity:1;transform:scale(1)}
}

/* ===== FOOTER ===== */
.footer{
  background:var(--bg-secondary);padding:3rem 0 0;
  border-top:1px solid var(--border);transition:background var(--transition);
}
.footer-content{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:2rem;margin-bottom:2rem}
.footer-section h4{font-family:var(--font-display);color:var(--accent);margin-bottom:1rem;font-size:1.1rem}
.footer-section p,.footer-section a{color:var(--text-secondary);text-decoration:none;transition:color var(--transition)}
.footer-section a:hover{color:var(--accent)}
.social-links{display:flex;gap:0.75rem;margin-top:1rem}
.social-link{
  display:flex;width:42px;height:42px;
  background:var(--bg-card);border-radius:50%;
  align-items:center;justify-content:center;
  color:var(--text-secondary);text-decoration:none;
  transition:all var(--transition);border:1px solid var(--border);
}
.social-link i{font-size:16px}
.social-link:hover{
  background:var(--accent);color:var(--bg-primary);
  border-color:var(--accent);transform:translateY(-3px) scale(1.1) rotate(-5deg);
  box-shadow:0 4px 20px rgba(var(--accent-rgb),0.4);
}
.footer-bottom{text-align:center;padding:1.5rem 0;border-top:1px solid var(--border);color:var(--text-muted);font-size:0.9rem}

/* ===== SCROLL TO TOP ===== */
.scroll-top{
  position:fixed;bottom:30px;right:30px;width:48px;height:48px;
  background:var(--gradient-accent);border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  color:#fff;text-decoration:none;font-size:1.1rem;
  opacity:0;visibility:hidden;transition:all var(--transition);
  z-index:1000;box-shadow:var(--shadow-card);
}
.scroll-top.visible{opacity:1;visibility:visible;animation:scrollTopPulse 2s ease-in-out infinite}
.scroll-top:hover{transform:translateY(-4px);box-shadow:0 8px 25px rgba(var(--accent-rgb),0.4);animation:none}
@keyframes scrollTopPulse{
  0%,100%{box-shadow:var(--shadow-card)}
  50%{box-shadow:0 0 20px rgba(var(--accent-rgb),0.4),0 8px 32px rgba(0,0,0,0.4)}
}

/* ===== SERVICE DETAIL PAGE ===== */
.service-detail{position:relative}
.service-detail.alt-bg{background:var(--bg-secondary)}
.service-detail-content{max-width:800px;margin:0 auto}
.service-detail-icon{
  width:80px;height:80px;border-radius:20px;margin:0 auto 1.5rem;
  display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,rgba(var(--accent-rgb),0.2),rgba(var(--accent-rgb),0.05));
  color:var(--accent);font-size:2rem;
  box-shadow:0 4px 20px rgba(var(--accent-rgb),0.15);
}
.service-detail-body{margin-top:2rem}
.service-detail-body p{color:var(--text-secondary);line-height:1.8;margin-bottom:1rem;font-size:1.05rem}
.service-detail-body h3{
  font-family:var(--font-display);font-size:1.15rem;color:var(--accent);
  margin:2rem 0 1rem;
}
.service-detail-body ul,.service-detail-body ol{
  color:var(--text-secondary);line-height:1.8;margin:1rem 0 1rem 1.5rem;
}
.service-detail-body li{margin-bottom:0.5rem}
.service-cta{background:var(--bg-card);border-top:1px solid var(--border);border-bottom:1px solid var(--border)}

/* Feature card as link */
a.feature-card{text-decoration:none;color:inherit;display:block}

/* ===== ANIMATIONS ===== */
@keyframes fadeInUp{from{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}
.fade-in-up{animation:fadeInUp 0.6s ease forwards}

/* Animated Gradient Section Titles */
.section-title{
  background:linear-gradient(90deg,var(--accent),#7c3aed,var(--accent));
  background-size:200% auto;
  -webkit-background-clip:text;-webkit-text-fill-color:transparent;
  background-clip:text;
  animation:gradientShift 4s ease infinite;
}
@keyframes gradientShift{
  0%{background-position:0% center}
  50%{background-position:100% center}
  100%{background-position:0% center}
}

/* Staggered Card Animations */
.feature-card,.blog-card,.service-detail-content{opacity:0;transform:translateY(30px)}
.feature-card.fade-in-up,.blog-card.fade-in-up,.service-detail-content.fade-in-up{opacity:1;transform:translateY(0)}
.feature-card:nth-child(1),.blog-card:nth-child(1){animation-delay:0s}
.feature-card:nth-child(2),.blog-card:nth-child(2){animation-delay:0.1s}
.feature-card:nth-child(3),.blog-card:nth-child(3){animation-delay:0.2s}
.feature-card:nth-child(4),.blog-card:nth-child(4){animation-delay:0.3s}
.feature-card:nth-child(5),.blog-card:nth-child(5){animation-delay:0.4s}

/* Feature Card Hover Glow Trail */
.feature-card::after{
  content:'';position:absolute;inset:-1px;border-radius:var(--radius);
  background:linear-gradient(135deg,rgba(var(--accent-rgb),0.3),transparent 40%,transparent 60%,rgba(var(--accent-rgb),0.3));
  opacity:0;transition:opacity 0.4s ease;z-index:-1;
}
.feature-card:hover::after{opacity:1}

/* Section Glow Divider */
.features::before,.blog::before,.contact::before{
  content:'';display:block;height:2px;max-width:200px;margin:0 auto 3rem;
  background:var(--gradient-accent);border-radius:2px;
  box-shadow:0 0 15px rgba(var(--accent-rgb),0.3);
  animation:glowPulse 3s ease-in-out infinite;
}
@keyframes glowPulse{
  0%,100%{opacity:0.6;box-shadow:0 0 10px rgba(var(--accent-rgb),0.2)}
  50%{opacity:1;box-shadow:0 0 25px rgba(var(--accent-rgb),0.5)}
}

/* Button Shimmer */
.btn-primary::after{
  content:'';position:absolute;top:0;left:-100%;width:100%;height:100%;
  background:linear-gradient(90deg,transparent,rgba(255,255,255,0.15),transparent);
  transition:none;
}
.btn-primary:hover::after{
  left:100%;transition:left 0.6s ease;
}

/* ===== FOCUS VISIBLE ===== */
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.btn:focus-visible{box-shadow:0 0 0 3px rgba(var(--accent-rgb),0.4)}

/* ===== LOADING ===== */
.loading{opacity:0.7;pointer-events:none}
.loading::after{
  content:'';position:absolute;top:50%;left:50%;width:20px;height:20px;
  margin:-10px 0 0 -10px;border:2px solid transparent;
  border-top:2px solid var(--accent);border-radius:50%;
  animation:spin 1s linear infinite;
}
@keyframes spin{to{transform:rotate(360deg)}}

/* ===== RESPONSIVE ===== */
@media(max-width:968px){
  .nav-menu{
    position:fixed;top:70px;left:-100%;width:100%;height:calc(100vh - 70px);
    background:var(--bg-glass);backdrop-filter:blur(20px);
    flex-direction:column;justify-content:flex-start;align-items:center;
    padding-top:2rem;transition:left var(--transition);
  }
  .nav-menu.active{left:0}
  .nav-toggle{display:flex}
  .about-content,.contact-content{grid-template-columns:1fr;text-align:center}
  .hero-cta{flex-direction:column;align-items:center}
  .btn{width:100%;max-width:300px}
  /* Hide complex shapes on tablet for performance */
  .shape-cube{width:50px;height:50px}
  .cube-face{width:50px;height:50px}
  .cube-front{transform:translateZ(25px)}
  .cube-back{transform:rotateY(180deg) translateZ(25px)}
  .cube-left{transform:rotateY(-90deg) translateZ(25px)}
  .cube-right{transform:rotateY(90deg) translateZ(25px)}
  .cube-top{transform:rotateX(90deg) translateZ(25px)}
  .cube-bottom{transform:rotateX(-90deg) translateZ(25px)}
  .shape-ring{width:80px;height:80px}
}
@media(max-width:640px){
  .container{padding:0 1rem}
  .section{padding:4rem 0}
  .features-grid,.blog-grid{grid-template-columns:1fr}
  .feature-card,.contact-form{padding:1.5rem}
  .hero-title{font-size:1.5rem}
  .section-title{font-size:1.3rem}
  /* Hide shapes on mobile for performance */
  .hero-shapes{display:none}
  .hero-glow{display:none}
}

/* ===== LIGHT THEME SPECIFIC OVERRIDES ===== */
[data-theme="light"] .feature-card, 
[data-theme="light"] .blog-card,
[data-theme="light"] .contact-form,
[data-theme="light"] .about-image {
  box-shadow:0 8px 30px rgba(0,0,0,0.06), 0 0 10px rgba(0,0,0,0.02);
  border:1px solid rgba(0,0,0,0.08);
}
[data-theme="light"] .feature-card:hover,
[data-theme="light"] .blog-card:hover,
[data-theme="light"] .about-image:hover {
  box-shadow:0 20px 40px rgba(0,0,0,0.12), 0 0 25px rgba(var(--accent-rgb),0.15);
  border-color:var(--accent);
}
[data-theme="light"] .shape-cube .cube-face {
  border-color:rgba(var(--accent-rgb),0.4);
  background:rgba(var(--accent-rgb),0.05);
}
[data-theme="light"] .shape-ring {
  border-color:rgba(var(--accent-rgb),0.3);
  border-top-color:var(--accent);
}
[data-theme="light"] .shape-hex {
  background:rgba(var(--accent-rgb),0.15);
}
[data-theme="light"] .section-title {
  background:linear-gradient(90deg,var(--accent-dark),var(--accent),var(--accent-dark));
  -webkit-background-clip:text;-webkit-text-fill-color:transparent;
  background-clip:text;
  animation:gradientShift 4s ease infinite;
}

/* ===== REDUCED MOTION ===== */
@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{
    animation-duration:0.01ms !important;
    animation-iteration-count:1 !important;
    transition-duration:0.01ms !important;
  }
  .hero-shapes{display:none}
  .hero-glow{display:none}
  html{scroll-behavior:auto}
}