/* =====================================================
   PRANESH R V — PORTFOLIO STYLES
   Dark, futuristic, glassmorphism theme
   ===================================================== */

:root{
  /* Core palette */
  --bg-black:#05050a;
  --bg-black-2:#0a0a14;
  --surface:rgba(255,255,255,0.045);
  --surface-border:rgba(255,255,255,0.09);

  --blue:#3b82f6;
  --blue-2:#60a5fa;
  --purple:#8b5cf6;
  --purple-2:#a855f7;
  --pink-accent:#ec4899;

  --text-main:#f4f5f9;
  --text-muted:#9ca0b3;
  --text-faint:#5f6376;

  --gradient-main:linear-gradient(135deg,var(--blue) 0%,var(--purple) 55%,var(--pink-accent) 100%);
  --gradient-soft:linear-gradient(135deg, rgba(59,130,246,0.18), rgba(139,92,246,0.18));

  --radius-lg:24px;
  --radius-md:16px;
  --radius-sm:10px;

  --shadow-glow-blue:0 0 40px rgba(59,130,246,0.25);
  --shadow-glow-purple:0 0 40px rgba(139,92,246,0.25);

  --ease:cubic-bezier(.16,.84,.44,1);
}

/* ---------------- RESET ---------------- */
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  background:var(--bg-black);
  color:var(--text-main);
  font-family:'Poppins',sans-serif;
  overflow-x:hidden;
  line-height:1.6;
  cursor:default;
}
img{max-width:100%;display:block;}
a{text-decoration:none;color:inherit;}
ul{list-style:none;}
button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit;}
input,textarea{font-family:inherit;}
section{position:relative;}

::selection{background:var(--purple);color:#fff;}

::-webkit-scrollbar{width:9px;}
::-webkit-scrollbar-track{background:var(--bg-black);}
::-webkit-scrollbar-thumb{background:var(--gradient-main);border-radius:10px;}

.gradient-text{
  background:var(--gradient-main);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}

/* ---------------- LAYOUT HELPERS ---------------- */
.section-container{
  max-width:1240px;
  margin:0 auto;
  padding:6.5rem 2rem;
}
.section-heading{
  text-align:center;
  margin-bottom:3.5rem;
}
.section-eyebrow{
  font-size:.82rem;
  letter-spacing:.18em;
  text-transform:uppercase;
  color:var(--blue-2);
  font-weight:500;
  margin-bottom:.7rem;
}
.section-title{
  font-size:clamp(2rem,5vw,3rem);
  font-weight:700;
  letter-spacing:-.01em;
}

.glass-card{
  background:var(--surface);
  border:1px solid var(--surface-border);
  border-radius:var(--radius-lg);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  box-shadow:0 8px 32px rgba(0,0,0,0.35);
  transition:transform .4s var(--ease), box-shadow .4s var(--ease), border-color .4s var(--ease);
}
.glass-card:hover{
  transform:translateY(-6px);
  border-color:rgba(139,92,246,0.4);
  box-shadow:0 16px 48px rgba(0,0,0,0.45), var(--shadow-glow-purple);
}

/* ---------------- LOADER ---------------- */
.loader{
  position:fixed;inset:0;z-index:9999;
  background:var(--bg-black);
  display:flex;align-items:center;justify-content:center;
  flex-direction:column;gap:1.2rem;
  transition:opacity .6s var(--ease), visibility .6s var(--ease);
}
.loader.hide{opacity:0;visibility:hidden;pointer-events:none;}
.loader-ring{
  width:64px;height:64px;
  border:3px solid rgba(255,255,255,0.08);
  border-top:3px solid var(--blue);
  border-right:3px solid var(--purple);
  border-radius:50%;
  animation:spin 1s linear infinite;
}
.loader-text{
  font-weight:700;letter-spacing:.3em;color:var(--text-muted);font-size:.85rem;
}
@keyframes spin{to{transform:rotate(360deg);}}

/* ---------------- CUSTOM CURSOR ---------------- */
.cursor-dot,.cursor-ring{
  position:fixed;top:0;left:0;
  border-radius:50%;
  pointer-events:none;
  z-index:9998;
  transform:translate(-50%,-50%);
  transition:opacity .3s;
}
.cursor-dot{
  width:7px;height:7px;
  background:var(--blue-2);
  box-shadow:0 0 12px var(--blue-2);
}
.cursor-ring{
  width:34px;height:34px;
  border:1.5px solid rgba(139,92,246,0.55);
}
@media (hover:none), (pointer:coarse){
  .cursor-dot,.cursor-ring{display:none;}
}

/* ---------------- SCROLL PROGRESS ---------------- */
.scroll-progress{
  position:fixed;top:0;left:0;
  height:3px;width:0%;
  background:var(--gradient-main);
  z-index:9997;
  box-shadow:0 0 10px rgba(139,92,246,0.6);
}

/* ---------------- PARTICLE CANVAS ---------------- */
#particleCanvas{
  position:fixed;inset:0;
  z-index:0;
  pointer-events:none;
}

/* ---------------- NAVBAR ---------------- */
.navbar{
  position:fixed;top:0;left:0;right:0;
  z-index:900;
  padding:1.1rem 0;
  background:rgba(5,5,10,0.35);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid rgba(255,255,255,0.06);
  transition:background .4s, padding .4s;
}
.navbar.scrolled{
  background:rgba(5,5,10,0.75);
  padding:.7rem 0;
}
.nav-container{
  max-width:1240px;
  margin:0 auto;
  padding:0 2rem;
  display:flex;align-items:center;justify-content:space-between;
}
.logo{
  font-size:1.4rem;font-weight:700;letter-spacing:.02em;color:var(--text-main);
}
.logo-dot{color:var(--purple-2);}
.nav-links{display:flex;gap:2.1rem;}
.nav-link{
  font-size:.92rem;font-weight:500;color:var(--text-muted);
  position:relative;padding:.3rem 0;
  transition:color .3s;
}
.nav-link::after{
  content:'';position:absolute;left:0;bottom:-2px;
  width:0;height:2px;background:var(--gradient-main);
  transition:width .3s var(--ease);
}
.nav-link:hover,.nav-link.active{color:var(--text-main);}
.nav-link:hover::after,.nav-link.active::after{width:100%;}

.hamburger{
  display:none;flex-direction:column;gap:5px;width:26px;
}
.hamburger span{
  height:2px;width:100%;background:var(--text-main);border-radius:2px;
  transition:transform .3s, opacity .3s;
}
.hamburger.open span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.hamburger.open span:nth-child(2){opacity:0;}
.hamburger.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

@media (max-width:900px){
  .nav-links{
    position:fixed;top:0;right:0;
    height:100vh;width:min(78vw,320px);
    background:rgba(8,8,16,0.96);
    backdrop-filter:blur(20px);
    flex-direction:column;
    justify-content:center;
    align-items:flex-start;
    gap:1.8rem;
    padding:2rem 2.6rem;
    transform:translateX(100%);
    transition:transform .45s var(--ease);
    border-left:1px solid rgba(255,255,255,0.08);
  }
  .nav-links.open{transform:translateX(0);}
  .hamburger{display:flex;}
}

/* ---------------- BUTTONS ---------------- */
.btn{
  position:relative;overflow:hidden;
  display:inline-flex;align-items:center;gap:.6rem;
  padding:.9rem 1.9rem;
  border-radius:100px;
  font-size:.92rem;font-weight:600;
  transition:transform .3s var(--ease), box-shadow .3s var(--ease);
}
.btn-primary{
  background:var(--gradient-main);
  color:#fff;
  box-shadow:0 8px 24px rgba(139,92,246,0.35);
}
.btn-primary:hover{
  transform:translateY(-3px);
  box-shadow:0 14px 32px rgba(139,92,246,0.5);
}
.btn-outline{
  background:transparent;
  border:1.5px solid rgba(255,255,255,0.18);
  color:var(--text-main);
}
.btn-outline:hover{
  border-color:var(--purple-2);
  transform:translateY(-3px);
  box-shadow:0 0 24px rgba(139,92,246,0.3);
}
.full-width{width:100%;justify-content:center;}

.ripple{
  position:absolute;
  border-radius:50%;
  background:rgba(255,255,255,0.5);
  transform:scale(0);
  animation:ripple-anim .6s linear;
  pointer-events:none;
}
@keyframes ripple-anim{to{transform:scale(3.5);opacity:0;}}

/* ---------------- HERO ---------------- */
.hero{
  min-height:100vh;
  display:flex;flex-direction:column;justify-content:center;
  padding:9rem 2rem 6rem;
  position:relative;
  z-index:2;
}
.hero-glow{
  position:absolute;
  border-radius:50%;
  filter:blur(120px);
  z-index:-1;
  opacity:.55;
}
.hero-glow-blue{
  width:480px;height:480px;
  background:var(--blue);
  top:-100px;left:-140px;
}
.hero-glow-purple{
  width:520px;height:520px;
  background:var(--purple);
  bottom:-160px;right:-160px;
}

.hero-container{
  max-width:1240px;
  margin:0 auto;
  width:100%;
  display:grid;
  grid-template-columns:1.15fr .85fr;
  gap:3rem;
  align-items:center;
}
@media (max-width:960px){
  .hero-container{grid-template-columns:1fr;text-align:center;}
  .hero-socials{justify-content:center;}
  .hero-buttons{justify-content:center;}
}

.hero-greeting{
  display:flex;align-items:center;gap:.6rem;
  color:var(--blue-2);font-weight:500;font-size:.95rem;
  margin-bottom:1rem;
}
.eyebrow-dot{
  width:8px;height:8px;border-radius:50%;
  background:var(--gradient-main);
  box-shadow:0 0 10px var(--purple-2);
}
.hero-name{
  font-size:clamp(2.6rem,7vw,4.6rem);
  font-weight:800;
  line-height:1.05;
  letter-spacing:-.02em;
}
.hero-role{
  font-size:clamp(1.2rem,3vw,1.7rem);
  font-weight:500;
  color:var(--text-muted);
  margin:1rem 0 1.4rem;
  min-height:2.2rem;
}
.hero-role #typedText{color:var(--blue-2);}
.cursor-blink{
  color:var(--purple-2);
  animation:blink 1s step-end infinite;
}
@keyframes blink{50%{opacity:0;}}

.hero-desc{
  max-width:52ch;
  color:var(--text-muted);
  font-size:1rem;
  margin-bottom:2.2rem;
}
@media (max-width:960px){.hero-desc{margin-inline:auto;}}

.hero-buttons{display:flex;gap:1rem;flex-wrap:wrap;margin-bottom:2.4rem;}

.hero-socials{display:flex;gap:1rem;}
.social-icon{
  width:42px;height:42px;
  display:flex;align-items:center;justify-content:center;
  border-radius:50%;
  border:1px solid rgba(255,255,255,0.12);
  color:var(--text-muted);
  transition:all .35s var(--ease);
}
.social-icon:hover{
  color:#fff;
  border-color:transparent;
  background:var(--gradient-main);
  transform:translateY(-4px);
  box-shadow:0 8px 20px rgba(139,92,246,0.4);
}

/* Hero image */
.hero-image-wrap{position:relative;display:flex;justify-content:center;}
.hero-image-glow{
  position:absolute;
  width:340px;height:340px;
  border-radius:50%;
  background:var(--gradient-main);
  filter:blur(70px);
  opacity:.4;
  animation:pulse 4s ease-in-out infinite;
}
@keyframes pulse{0%,100%{transform:scale(1);}50%{transform:scale(1.08);}}

.hero-image-frame{
  position:relative;
  width:min(360px,80vw);
  aspect-ratio:1/1;
  border-radius:50%;
  padding:6px;
  background:var(--gradient-main);
  animation:rotateBorder 8s linear infinite;
}
@keyframes rotateBorder{
  0%{filter:hue-rotate(0deg);}
  100%{filter:hue-rotate(30deg);}
}
.hero-image-placeholder{
  width:100%;height:100%;
  border-radius:50%;
  background:var(--bg-black-2);
  display:flex;align-items:center;justify-content:center;
  font-size:6rem;
  color:var(--text-faint);
  overflow:hidden;
}

.floating-badge{
  position:absolute;
  width:52px;height:52px;
  border-radius:16px;
  display:flex;align-items:center;justify-content:center;
  font-size:1.4rem;
  background:var(--surface);
  border:1px solid var(--surface-border);
  backdrop-filter:blur(12px);
  box-shadow:0 8px 20px rgba(0,0,0,0.4);
  animation:floatY 4s ease-in-out infinite;
}
.badge-1{top:5%;left:-6%;color:#facc15;animation-delay:0s;}
.badge-2{top:65%;left:-10%;color:#60a5fa;animation-delay:.6s;}
.badge-3{top:15%;right:-8%;color:#f97316;animation-delay:1.1s;}
.badge-4{bottom:0%;right:-6%;color:#f97583;animation-delay:1.6s;}
@keyframes floatY{
  0%,100%{transform:translateY(0);}
  50%{transform:translateY(-14px);}
}

.scroll-hint{
  position:absolute;bottom:1.6rem;left:50%;
  transform:translateX(-50%);
  display:flex;flex-direction:column;align-items:center;gap:.4rem;
  color:var(--text-faint);
  font-size:.72rem;
  letter-spacing:.15em;
  text-transform:uppercase;
  animation:floatY 2.4s ease-in-out infinite;
}

/* ---------------- ABOUT ---------------- */
.about-grid{
  display:grid;grid-template-columns:.9fr 1.1fr;gap:3.5rem;align-items:center;
}
@media (max-width:900px){.about-grid{grid-template-columns:1fr;}}

.about-card{padding:2.4rem;}
.about-stats{
  display:grid;grid-template-columns:1fr 1fr;gap:2rem;
}
.stat-item{text-align:center;}
.stat-number{
  font-size:2.6rem;font-weight:800;
  background:var(--gradient-main);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.stat-plus{
  font-size:1.6rem;font-weight:800;color:var(--purple-2);
}
.stat-item p{color:var(--text-muted);font-size:.85rem;margin-top:.3rem;}

.about-text{color:var(--text-muted);margin-bottom:1.1rem;}
.about-text strong{color:var(--text-main);}

.about-highlights{display:flex;flex-wrap:wrap;gap:.8rem;margin-top:1.6rem;}
.highlight-pill{
  display:flex;align-items:center;gap:.5rem;
  padding:.55rem 1.1rem;
  border-radius:100px;
  font-size:.82rem;font-weight:500;
  background:var(--surface);
  border:1px solid var(--surface-border);
  color:var(--text-muted);
  transition:.3s;
}
.highlight-pill:hover{
  color:var(--text-main);
  border-color:var(--purple-2);
  box-shadow:0 0 16px rgba(139,92,246,0.3);
}
.highlight-pill i{color:var(--blue-2);}

/* ---------------- SKILLS ---------------- */
.skills-grid{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(260px,1fr));
  gap:1.4rem;
}
.skill-card{padding:1.6rem 1.8rem;}
.skill-card-head{
  display:flex;align-items:center;gap:.8rem;margin-bottom:1rem;
}
.skill-icon{font-size:1.5rem;color:var(--blue-2);}
.skill-name{font-weight:600;flex:1;}
.skill-percent{font-size:.85rem;color:var(--purple-2);font-weight:600;}
.progress-track{
  height:8px;border-radius:20px;
  background:rgba(255,255,255,0.07);
  overflow:hidden;
}
.progress-fill{
  height:100%;width:0%;
  border-radius:20px;
  background:var(--gradient-main);
  box-shadow:0 0 12px rgba(139,92,246,0.5);
  transition:width 1.4s var(--ease);
}

/* ---------------- PROJECTS ---------------- */
.project-filters{
  display:flex;justify-content:center;gap:.9rem;margin-bottom:2.8rem;flex-wrap:wrap;
}
.filter-btn{
  padding:.65rem 1.5rem;
  border-radius:100px;
  font-size:.85rem;font-weight:500;
  color:var(--text-muted);
  border:1px solid var(--surface-border);
  background:var(--surface);
  transition:.3s;
}
.filter-btn:hover{color:var(--text-main);}
.filter-btn.active{
  color:#fff;
  background:var(--gradient-main);
  border-color:transparent;
  box-shadow:0 8px 20px rgba(139,92,246,0.35);
}

.projects-grid{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(320px,1fr));
  gap:1.8rem;
}
.project-card{
  overflow:hidden;
  display:flex;flex-direction:column;
}
.project-card.hidden-project{display:none;}

.project-image{
  height:190px;
  position:relative;
  display:flex;align-items:center;justify-content:center;
  font-size:3.4rem;
  color:rgba(255,255,255,0.16);
  background:linear-gradient(135deg, rgba(59,130,246,0.12), rgba(139,92,246,0.15));
  overflow:hidden;
}
.project-overlay{
  position:absolute;inset:0;
  background:radial-gradient(circle at 50% 120%, rgba(139,92,246,0.35), transparent 70%);
  opacity:0;
  transition:opacity .4s;
}
.project-card:hover .project-overlay{opacity:1;}
.project-card:hover .project-image i{transform:scale(1.15) rotate(-4deg);color:rgba(255,255,255,0.28);}
.project-image i{transition:transform .4s var(--ease), color .4s;}

.project-body{padding:1.7rem 1.8rem 1.9rem;display:flex;flex-direction:column;gap:.9rem;flex:1;}
.project-title{font-size:1.15rem;font-weight:700;}
.project-desc{color:var(--text-muted);font-size:.9rem;flex:1;}

.badge-row{display:flex;flex-wrap:wrap;gap:.5rem;}
.badge{
  font-size:.72rem;font-weight:500;
  padding:.3rem .75rem;
  border-radius:100px;
  background:rgba(255,255,255,0.06);
  border:1px solid rgba(255,255,255,0.1);
  color:var(--text-muted);
}

.project-actions{display:flex;gap:.8rem;margin-top:.4rem;}
.btn-mini{
  flex:1;
  display:flex;align-items:center;justify-content:center;gap:.45rem;
  padding:.6rem;
  border-radius:10px;
  font-size:.8rem;font-weight:600;
  border:1px solid rgba(255,255,255,0.14);
  color:var(--text-muted);
  transition:.3s;
}
.btn-mini:hover{color:var(--text-main);border-color:var(--blue-2);}
.btn-mini-fill{
  background:var(--gradient-main);
  color:#fff;border-color:transparent;
}
.btn-mini-fill:hover{box-shadow:0 8px 20px rgba(139,92,246,0.4);}

/* ---------------- CERTIFICATIONS ---------------- */
.cert-grid{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(190px,1fr));
  gap:1.4rem;
}
.cert-card{
  padding:2.2rem 1.4rem;
  text-align:center;
}
.cert-icon{
  font-size:2.3rem;
  margin-bottom:1rem;
  background:var(--gradient-main);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.cert-card h3{font-size:1.05rem;margin-bottom:.3rem;}
.cert-card p{color:var(--text-muted);font-size:.82rem;}

/* ---------------- RESUME ---------------- */
.resume-card{
  display:flex;align-items:center;gap:2.5rem;
  padding:2.6rem;
  max-width:900px;margin:0 auto;
}
@media (max-width:700px){.resume-card{flex-direction:column;text-align:center;}}
.resume-preview{
  flex-shrink:0;
  width:130px;height:160px;
  border-radius:14px;
  background:linear-gradient(160deg, rgba(59,130,246,0.18), rgba(139,92,246,0.18));
  border:1px solid var(--surface-border);
  display:flex;align-items:center;justify-content:center;
  font-size:2.8rem;color:var(--blue-2);
}
.resume-info h3{font-size:1.3rem;margin-bottom:.6rem;}
.resume-info p{color:var(--text-muted);margin-bottom:1.3rem;}

/* ---------------- ACHIEVEMENTS / TIMELINE ---------------- */
.timeline{
  position:relative;
  max-width:800px;margin:0 auto;
  padding-left:2.4rem;
}
.timeline::before{
  content:'';
  position:absolute;left:11px;top:0;bottom:0;
  width:2px;
  background:linear-gradient(var(--blue),var(--purple));
}
.timeline-item{
  position:relative;
  display:flex;gap:1.6rem;
  margin-bottom:2.4rem;
}
.timeline-icon{
  position:absolute;left:-2.4rem;top:0;
  width:24px;height:24px;
  border-radius:50%;
  background:var(--gradient-main);
  display:flex;align-items:center;justify-content:center;
  font-size:.7rem;color:#fff;
  box-shadow:0 0 14px rgba(139,92,246,0.6);
}
.timeline-content{padding:1.3rem 1.5rem;flex:1;}
.timeline-year{
  font-size:.72rem;font-weight:600;letter-spacing:.08em;text-transform:uppercase;
  color:var(--blue-2);
}
.timeline-content h3{margin:.4rem 0;font-size:1.05rem;}
.timeline-content p{color:var(--text-muted);font-size:.88rem;}

/* ---------------- CONTACT ---------------- */
.contact-grid{
  display:grid;grid-template-columns:.85fr 1.15fr;gap:2.5rem;
}
@media (max-width:900px){.contact-grid{grid-template-columns:1fr;}}

.contact-info{display:flex;flex-direction:column;gap:1rem;}
.contact-item{
  display:flex;align-items:center;gap:1rem;
  padding:1.1rem 1.4rem;
}
.contact-item i{
  font-size:1.2rem;color:var(--blue-2);
  width:42px;height:42px;flex-shrink:0;
  display:flex;align-items:center;justify-content:center;
  border-radius:12px;
  background:rgba(59,130,246,0.1);
}
.contact-item span{font-size:.72rem;color:var(--text-faint);text-transform:uppercase;letter-spacing:.06em;}
.contact-item p{font-weight:500;font-size:.94rem;}

.contact-form{padding:2.2rem;}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:1rem;}
@media (max-width:560px){.form-row{grid-template-columns:1fr;}}
.form-group{margin-bottom:1.2rem;}
.form-group label{
  display:block;font-size:.8rem;color:var(--text-muted);margin-bottom:.5rem;
}
.form-group input,.form-group textarea{
  width:100%;
  padding:.85rem 1rem;
  border-radius:12px;
  background:rgba(255,255,255,0.04);
  border:1px solid rgba(255,255,255,0.1);
  color:var(--text-main);
  font-size:.9rem;
  transition:border-color .3s, box-shadow .3s;
  resize:vertical;
}
.form-group input:focus,.form-group textarea:focus{
  outline:none;
  border-color:var(--purple-2);
  box-shadow:0 0 0 3px rgba(139,92,246,0.18);
}
.form-status{margin-top:1rem;font-size:.85rem;color:var(--blue-2);min-height:1.2em;}

/* ---------------- FOOTER ---------------- */
.footer{
  border-top:1px solid rgba(255,255,255,0.07);
  background:var(--bg-black-2);
}
.footer-inner{
  text-align:center;
  display:flex;flex-direction:column;align-items:center;gap:1.2rem;
  padding:4rem 2rem 3rem;
}
.footer-tagline{color:var(--text-muted);font-size:.9rem;}
.footer-socials{display:flex;gap:1rem;}
.footer-socials a{
  width:40px;height:40px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  border:1px solid rgba(255,255,255,0.1);
  color:var(--text-muted);
  transition:.3s;
}
.footer-socials a:hover{
  color:#fff;background:var(--gradient-main);border-color:transparent;
  transform:translateY(-3px);
}
.footer-copy{color:var(--text-faint);font-size:.78rem;}

/* ---------------- BACK TO TOP ---------------- */
.back-to-top{
  position:fixed;bottom:2rem;right:2rem;
  width:48px;height:48px;
  border-radius:50%;
  background:var(--gradient-main);
  color:#fff;font-size:1.05rem;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 10px 26px rgba(139,92,246,0.4);
  opacity:0;visibility:hidden;
  transform:translateY(16px);
  transition:opacity .35s, transform .35s, visibility .35s;
  z-index:800;
}
.back-to-top.show{opacity:1;visibility:visible;transform:translateY(0);}
.back-to-top:hover{transform:translateY(-4px);}

/* ---------------- SCROLL REVEAL ---------------- */
[data-reveal]{
  opacity:0;
  transition:opacity .8s var(--ease), transform .8s var(--ease);
}
[data-reveal="fade-up"]{transform:translateY(40px);}
[data-reveal="fade-right"]{transform:translateX(-40px);}
[data-reveal="fade-left"]{transform:translateX(40px);}
[data-reveal].revealed{
  opacity:1;transform:translate(0,0);
}

@media (prefers-reduced-motion:reduce){
  *{animation-duration:0.001ms !important; transition-duration:0.001ms !important;}
  [data-reveal]{opacity:1;transform:none;}
}