/* ============================================
   Mamatha Kamalaar — Portfolio Styles
   AI-Powered Digital Marketing Strategist
   ============================================ */

/* ---- Reset & Variables ---- */
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}

:root{
  --bg:#f8f9fc;
  --bg2:#f0f1f6;
  --bg3:#e8e9f0;
  --surface:#ffffff;
  --surface2:#f5f6fa;
  --text:#1a1a2e;
  --text2:#4a4a6a;
  --text3:#8a8aaa;
  --accent1:#7c3aed;
  --accent2:#0891b2;
  --accent3:#d97706;
  --gradient1:linear-gradient(135deg,#7c3aed,#0891b2);
  --gradient2:linear-gradient(135deg,#7c3aed,#d97706);
  --gradient3:linear-gradient(135deg,#d97706,#0891b2);
  --glass:rgba(255,255,255,0.7);
  --glass-border:rgba(0,0,0,0.06);
  --radius:16px;
  --radius-sm:10px;
  --shadow:0 8px 32px rgba(0,0,0,0.08);
  --font:'Inter',system-ui,-apple-system,sans-serif;
  --font-display:'Playfair Display',serif;
  --max-w:1200px;
  --nav-h:72px;
}

html{scroll-behavior:smooth;scroll-padding-top:var(--nav-h)}
body{
  font-family:var(--font);
  background:var(--bg);
  color:var(--text);
  line-height:1.6;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
::selection{background:var(--accent1);color:#fff}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.container{width:100%;max-width:var(--max-w);margin:0 auto;padding:0 24px}
.section{padding:100px 0;position:relative}
.section-label{
  display:inline-flex;align-items:center;gap:10px;
  font-size:13px;font-weight:600;letter-spacing:2px;text-transform:uppercase;
  color:var(--accent2);margin-bottom:12px;
}
.section-label::before{content:'';width:32px;height:2px;background:var(--gradient1);border-radius:2px}
.section-title{
  font-size:clamp(2rem,4vw,3.2rem);font-weight:800;
  line-height:1.2;margin-bottom:16px;
}
.section-title .highlight{background:var(--gradient1);-webkit-background-clip:text;-webkit-text-fill-color:transparent}
.section-sub{
  font-size:1.05rem;color:var(--text2);
  max-width:600px;line-height:1.7;
}

/* ---- Navigation ---- */
nav{
  position:fixed;top:0;left:0;width:100%;z-index:1000;
  height:var(--nav-h);
  transition:background .4s,box-shadow .4s,backdrop-filter .4s;
}
nav.scrolled{
  background:var(--glass);
  backdrop-filter:blur(20px) saturate(1.2);
  box-shadow:0 1px 0 var(--glass-border);
}
.nav-inner{
  display:flex;align-items:center;justify-content:space-between;
  height:100%;
}
.logo{
  font-size:1.2rem;font-weight:800;
  background:var(--gradient1);-webkit-background-clip:text;-webkit-text-fill-color:transparent;
}
.logo span{background:var(--gradient3);-webkit-background-clip:text;-webkit-text-fill-color:transparent}
.nav-links{display:flex;align-items:center;gap:32px;list-style:none}
.nav-links a{
  font-size:14px;font-weight:500;color:var(--text2);
  transition:color .3s;position:relative;
}
.nav-links a::after{
  content:'';position:absolute;bottom:-4px;left:0;width:0;height:2px;
  background:var(--gradient1);transition:width .3s;border-radius:2px;
}
.nav-links a:hover{color:var(--text)}
.nav-links a:hover::after{width:100%}
.nav-cta{
  padding:10px 24px;border-radius:50px;
  background:var(--gradient1);color:#fff !important;
  font-weight:600 !important;font-size:13px !important;
  transition:transform .3s,box-shadow .3s;
}
.nav-cta::after{display:none !important}
.nav-cta:hover{transform:translateY(-2px);box-shadow:0 8px 24px rgba(124,58,237,0.35)}
.hamburger{display:none;flex-direction:column;gap:5px;cursor:pointer;z-index:1001;background:none;border:none;padding:4px}
.hamburger span{display:block;width:26px;height:2.5px;background:var(--text);border-radius:4px;transition:all .3s}
.hamburger.active span:nth-child(1){transform:rotate(45deg) translate(5px,5px)}
.hamburger.active span:nth-child(2){opacity:0}
.hamburger.active span:nth-child(3){transform:rotate(-45deg) translate(5px,-5px)}

@media(max-width:768px){
  .hamburger{display:flex}
  .nav-links{
    position:fixed;top:0;right:-100%;width:75%;max-width:340px;height:100vh;
    background:var(--bg2);flex-direction:column;justify-content:center;gap:28px;
    transition:right .4s cubic-bezier(.22,1,.36,1);
    box-shadow:-10px 0 40px rgba(0,0,0,0.08);
    padding:40px;
  }
  .nav-links.open{right:0}
  .nav-links a{font-size:18px}
}

/* ---- Hero ---- */
.hero{
  min-height:100vh;display:flex;align-items:center;position:relative;
  overflow:hidden;padding-top:var(--nav-h);
}
.hero-bg{
  position:absolute;inset:0;z-index:-1;
  background:
    radial-gradient(ellipse at 20% 50%,rgba(124,58,237,0.08) 0%,transparent 50%),
    radial-gradient(ellipse at 80% 20%,rgba(6,182,212,0.06) 0%,transparent 50%),
    radial-gradient(ellipse at 50% 80%,rgba(245,158,11,0.04) 0%,transparent 50%);
}
.hero-bg-img{
  position:absolute;inset:0;z-index:-2;
  background-size:cover;background-position:center;
  opacity:0.06;filter:blur(2px);
}
#particles-canvas{position:absolute;inset:0;z-index:0;pointer-events:none}
.hero .container{position:relative;z-index:1}
.hero-grid{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 18px;border-radius:50px;
  background:var(--glass);border:1px solid var(--glass-border);
  font-size:13px;color:var(--accent2);font-weight:500;
  margin-bottom:24px;backdrop-filter:blur(10px);
}
.hero-badge .dot{width:8px;height:8px;border-radius:50%;background:var(--accent2);animation:pulse-dot 2s infinite}
@keyframes pulse-dot{0%,100%{opacity:1}50%{opacity:0.3}}
.hero h1{
  font-size:clamp(2.5rem,5vw,4rem);font-weight:900;
  line-height:1.1;margin-bottom:20px;
}
.hero h1 .gradient-text{background:var(--gradient1);-webkit-background-clip:text;-webkit-text-fill-color:transparent}
.hero h1 .outline-text{
  -webkit-text-fill-color:transparent;
  -webkit-text-stroke:1.5px var(--text);
}
.hero-typing{
  font-size:1.15rem;color:var(--text2);margin-bottom:32px;min-height:1.8em;
}
.cursor{display:inline-block;width:2px;height:1.1em;background:var(--accent2);margin-left:3px;vertical-align:text-bottom;animation:blink .7s infinite}
@keyframes blink{0%,100%{opacity:1}50%{opacity:0}}
.hero-cta{display:flex;gap:16px;flex-wrap:wrap}
.hero-visual{position:relative;display:flex;align-items:center;justify-content:center}
.hero-ring{
  width:clamp(280px,25vw,460px);height:clamp(280px,25vw,460px);
  border-radius:50%;position:relative;
  background:conic-gradient(from 0deg,var(--accent1),var(--accent2),var(--accent1));
  animation:spin-ring 12s linear infinite;
  mask:radial-gradient(farthest-side,transparent calc(100% - 2px),#000 calc(100% - 1px));
  -webkit-mask:radial-gradient(farthest-side,transparent calc(100% - 2px),#000 calc(100% - 1px));
}
@keyframes spin-ring{to{transform:rotate(360deg)}}
.hero-ring-inner{
  position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);
  width:75%;height:75%;border-radius:50%;
  background:var(--bg);
  display:flex;align-items:center;justify-content:center;
  flex-direction:column;overflow:hidden;
}
.hero-ring-inner img{
  width:100%;height:100%;object-fit:cover;border-radius:50%;
}
.hero-stats{display:flex;gap:40px;margin-top:40px;padding-top:32px;border-top:1px solid var(--glass-border)}
.hero-stat h3{font-size:1.6rem;font-weight:800;background:var(--gradient1);-webkit-background-clip:text;-webkit-text-fill-color:transparent}
.hero-stat p{font-size:13px;color:var(--text3);text-transform:uppercase;letter-spacing:1px;font-weight:500}

@media(max-width:968px){
  .hero-grid{grid-template-columns:1fr;gap:40px;text-align:center}
  .hero-cta{justify-content:center}
  .hero-stats{justify-content:center}
  .hero-visual{order:-1}
  .hero-ring{width:200px;height:200px}
  .hero-badge{justify-content:center}
  .section-sub{text-align:center;margin:0 auto}
}

/* ---- Buttons ---- */
.btn{
  display:inline-flex;align-items:center;gap:10px;
  padding:14px 32px;border-radius:50px;font-weight:600;font-size:15px;
  transition:all .3s;cursor:pointer;border:none;font-family:var(--font);
}
.btn-primary{
  background:var(--gradient1);color:#fff;
  box-shadow:0 4px 20px rgba(124,58,237,0.3);
}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 8px 32px rgba(124,58,237,0.4)}
.btn-outline{
  background:transparent;color:var(--text);
  border:1.5px solid var(--text3);
}
.btn-outline:hover{border-color:var(--accent2);color:var(--accent2);transform:translateY(-3px)}
.btn .icon{font-size:1.1em}

/* ---- About ---- */
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}
.about-image{
  position:relative;border-radius:var(--radius);overflow:hidden;
  aspect-ratio:4/5;background:var(--surface);
}
.about-image img{
  width:100%;height:100%;object-fit:cover;border-radius:var(--radius);
  transition:transform .6s;
}
.about-image:hover img{transform:scale(1.04)}
.about-content .lead{font-size:1.15rem;color:var(--text);font-weight:500;margin-bottom:16px}
.about-content p{color:var(--text2);margin-bottom:16px}
.about-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.about-tags span{
  padding:6px 16px;border-radius:50px;
  background:var(--surface);border:1px solid var(--glass-border);
  font-size:13px;font-weight:500;color:var(--text2);
  transition:all .3s;
}
.about-tags span:hover{background:var(--surface2);border-color:var(--accent1);color:var(--text)}
.about-highlights{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:28px}
.about-highlight{
  padding:16px 20px;border-radius:var(--radius-sm);
  background:var(--surface);border:1px solid var(--glass-border);
  font-size:14px;color:var(--text2);display:flex;align-items:center;gap:12px;
}
.about-highlight .num{font-weight:800;font-size:1.2rem;background:var(--gradient1);-webkit-background-clip:text;-webkit-text-fill-color:transparent}

@media(max-width:768px){
  .about-grid{grid-template-columns:1fr;gap:32px}
  .about-image{aspect-ratio:3/2}
  .about-highlights{grid-template-columns:1fr}
}

/* ---- Skills ---- */
.skills-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:20px;margin-top:48px}
.skill-card{
  padding:28px 24px;border-radius:var(--radius);
  background:var(--surface);border:1px solid var(--glass-border);
  transition:all .4s;position:relative;overflow:hidden;
  cursor:default;
}
.skill-card::before{
  content:'';position:absolute;top:0;left:0;width:100%;height:3px;
  background:var(--gradient1);transform:scaleX(0);transform-origin:left;
  transition:transform .4s;
}
.skill-card:hover::before{transform:scaleX(1)}
.skill-card:hover{transform:translateY(-6px);border-color:rgba(124,58,237,0.2);box-shadow:0 12px 40px rgba(0,0,0,0.06)}
.skill-card .icon{font-size:2rem;margin-bottom:14px;display:block}
.skill-card h3{font-size:1.05rem;font-weight:700;margin-bottom:8px}
.skill-card p{font-size:14px;color:var(--text3);line-height:1.6}
.skill-bar{height:4px;border-radius:4px;background:var(--bg3);margin-top:16px;overflow:hidden}
.skill-bar-fill{height:100%;border-radius:4px;background:var(--gradient1);width:0;transition:width 1.2s cubic-bezier(.22,1,.36,1)}
.skill-card:hover .skill-bar-fill{width:var(--pct) !important}

/* ---- Services ---- */
.services .section-sub{margin-bottom:48px}
.services-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(340px,1fr));gap:24px}
.service-card{
  padding:36px 32px;border-radius:var(--radius);
  background:var(--surface);border:1px solid var(--glass-border);
  transition:all .4s;position:relative;overflow:hidden;
}
.service-card::after{
  content:'';position:absolute;bottom:0;right:0;width:120px;height:120px;
  background:var(--gradient1);opacity:0;border-radius:50%;
  filter:blur(60px);transition:opacity .4s;pointer-events:none;
}
.service-card:hover::after{opacity:0.15}
.service-card:hover{transform:translateY(-8px);border-color:rgba(124,58,237,0.15);box-shadow:0 16px 48px rgba(0,0,0,0.06)}
a.service-card{color:inherit;text-decoration:none;display:block}
a.service-card:hover{color:inherit}
.service-card .icon{font-size:2.4rem;margin-bottom:16px;display:block}
.service-card h3{font-size:1.15rem;font-weight:700;margin-bottom:10px}
.service-card p{font-size:14px;color:var(--text3);line-height:1.7}
.service-card .tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.service-card .tags span{
  padding:4px 12px;border-radius:50px;
  background:var(--bg3);font-size:11px;font-weight:500;color:var(--text2);
}
@media(max-width:768px){.services-grid{grid-template-columns:1fr}}

/* ---- Stats ---- */
.stats{background:var(--bg2);border-top:1px solid var(--glass-border);border-bottom:1px solid var(--glass-border)}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:32px}
.stat-item{text-align:center;padding:20px 0}
.stat-item .num{
  font-size:clamp(2rem,3vw,3rem);font-weight:900;
  background:var(--gradient1);-webkit-background-clip:text;-webkit-text-fill-color:transparent;
}
.stat-item .label{font-size:14px;color:var(--text3);font-weight:500;margin-top:4px}
@media(max-width:768px){.stats-grid{grid-template-columns:repeat(2,1fr);gap:16px}}

/* ---- Portfolio Slider ---- */
.portfolio-slider{
  position:relative;max-width:900px;margin:48px auto 0;overflow:hidden;
}
.portfolio-track{display:flex;transition:transform .5s cubic-bezier(.22,1,.36,1)}
.portfolio-slide{min-width:100%;padding:0 16px}
.port-card{
  border-radius:var(--radius);overflow:hidden;
  background:var(--surface);border:1px solid var(--glass-border);
  transition:all .4s;cursor:pointer;display:flex;flex-direction:column;
}
.port-card:hover{transform:translateY(-6px);border-color:rgba(6,182,212,0.2);box-shadow:0 16px 48px rgba(0,0,0,0.06)}
.port-card .thumb{
  height:220px;position:relative;overflow:hidden;flex-shrink:0;
}
.port-card .thumb img{
  width:100%;height:100%;object-fit:cover;
  transition:transform .6s;
}
.port-card:hover .thumb img{transform:scale(1.08)}
.port-card .thumb .overlay{
  position:absolute;inset:0;
  display:flex;align-items:center;justify-content:center;
  background:rgba(0,0,0,0.65);opacity:0;transition:opacity .4s;
}
.port-card:hover .overlay{opacity:1}
.port-card .overlay span{
  padding:10px 24px;border-radius:50px;background:var(--gradient1);
  font-size:13px;font-weight:600;color:#fff;
}
.port-card .info{padding:24px;flex:1}
.port-card .info .cat{font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:1px;color:var(--accent2);margin-bottom:6px}
.port-card .info h3{font-size:1.15rem;font-weight:700;margin-bottom:6px}
.port-card .info p{font-size:13px;color:var(--text3);line-height:1.6}
.port-card .info .results{display:flex;gap:16px;margin-top:12px;flex-wrap:wrap}
.port-card .info .results span{font-size:12px;color:var(--accent3);font-weight:600}
@media(max-width:768px){
  .portfolio-slider{max-width:100%}
  .portfolio-slide{padding:0 8px}
}

/* ---- Testimonials Slider ---- */
.testimonials{background:var(--bg2);overflow:hidden}
.testimonial-slider{
  position:relative;max-width:700px;margin:48px auto 0;
}
.testimonial-track{
  display:flex;transition:transform .5s cubic-bezier(.22,1,.36,1);
}
.testimonial-slide{
  min-width:100%;padding:0 16px;
}
.testimonial-card{
  padding:40px 36px;border-radius:var(--radius);
  background:var(--surface);border:1px solid var(--glass-border);
  text-align:center;
}
.testimonial-card .stars{color:var(--accent3);font-size:18px;margin-bottom:16px;letter-spacing:4px}
.testimonial-card blockquote{
  font-size:1.05rem;color:var(--text2);line-height:1.8;
  font-style:italic;margin-bottom:24px;
}
.testimonial-card blockquote::before{content:'\201C';font-size:3rem;display:block;color:var(--accent1);font-style:normal;line-height:1;margin-bottom:4px;font-family:var(--font-display)}
.testimonial-card .author{display:flex;align-items:center;justify-content:center;gap:14px}
.testimonial-card .author .avatar{
  width:52px;height:52px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  font-weight:700;font-size:18px;color:#fff;
  background:var(--gradient1);
}
.testimonial-card .author .name{font-size:15px;font-weight:600}
.testimonial-card .author .role{font-size:13px;color:var(--text3)}
.slider-controls{display:flex;align-items:center;justify-content:center;gap:20px;margin-top:36px}
.slider-btn{
  width:52px;height:52px;border-radius:50%;
  background:var(--gradient1);border:none;
  color:#fff;font-size:1.3rem;cursor:pointer;
  display:flex;align-items:center;justify-content:center;
  transition:all .3s;font-family:var(--font);
  box-shadow:0 4px 16px rgba(124,58,237,0.25);
}
.slider-btn:hover{transform:scale(1.1);box-shadow:0 6px 24px rgba(124,58,237,0.4)}
.slider-btn:active{transform:scale(0.95)}
.slider-dots{display:flex;gap:10px}
.slider-dot{
  width:12px;height:12px;border-radius:50%;
  background:var(--text3);border:2px solid transparent;cursor:pointer;
  transition:all .3s;padding:0;
}
.slider-dot:hover{background:var(--text2)}
.slider-dot.active{
  background:var(--accent2);border-color:rgba(6,182,212,0.3);
  width:32px;border-radius:6px;box-shadow:0 0 12px rgba(6,182,212,0.3);
}

@media(max-width:768px){
  .testimonial-card{padding:28px 20px}
  .testimonial-card blockquote{font-size:.95rem}
}

/* ---- Blog ---- */
.blog-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(340px,1fr));gap:24px;margin-top:48px}
.blog-card{
  border-radius:var(--radius);overflow:hidden;
  background:var(--surface);border:1px solid var(--glass-border);
  transition:all .4s;
}
.blog-card:hover{transform:translateY(-6px);border-color:rgba(124,58,237,0.15);box-shadow:0 12px 40px rgba(0,0,0,0.06)}
.blog-card .thumb{
  height:180px;overflow:hidden;
}
.blog-card .thumb img{
  width:100%;height:100%;object-fit:cover;
  transition:transform .6s;
}
.blog-card:hover .thumb img{transform:scale(1.08)}
.blog-card .meta{
  display:flex;justify-content:space-between;
  padding:20px 24px 0;font-size:12px;color:var(--text3);
}
.blog-card .meta .tag{color:var(--accent2);font-weight:600}
.blog-card h3{padding:12px 24px 8px;font-size:1.05rem;font-weight:700;line-height:1.4}
.blog-card p{padding:0 24px 20px;font-size:13px;color:var(--text3);line-height:1.6}
.blog-card .read-more{
  display:inline-flex;align-items:center;gap:6px;
  margin:0 24px 20px;font-size:13px;font-weight:600;color:var(--accent2);
  transition:gap .3s;
}
.blog-card:hover .read-more{gap:10px}
@media(max-width:768px){.blog-grid{grid-template-columns:1fr}}

/* ---- Contact ---- */
.contact{background:var(--bg2)}
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:60px;margin-top:48px}
.contact-info h3{font-size:1.3rem;font-weight:700;margin-bottom:16px}
.contact-info p{color:var(--text2);margin-bottom:28px;font-size:15px;line-height:1.7}
.contact-details{display:flex;flex-direction:column;gap:16px;margin-bottom:28px}
.contact-detail{
  display:flex;align-items:center;gap:14px;
  padding:14px 18px;border-radius:var(--radius-sm);
  background:var(--surface);border:1px solid var(--glass-border);
  font-size:14px;color:var(--text2);transition:all .3s;
}
.contact-detail:hover{border-color:var(--accent1);color:var(--text)}
.contact-detail .icon{font-size:1.3rem}
.contact-detail a{color:var(--accent2);font-weight:500}
.contact-socials{display:flex;gap:12px}
.contact-socials a{
  width:44px;height:44px;border-radius:50%;
  background:var(--surface);border:1px solid var(--glass-border);
  display:flex;align-items:center;justify-content:center;
  font-size:1.2rem;transition:all .3s;
}
.contact-socials a:hover{background:var(--accent1);border-color:var(--accent1);transform:translateY(-3px)}
.contact-form{display:flex;flex-direction:column;gap:16px}
.contact-form input,.contact-form textarea{
  padding:14px 18px;border-radius:var(--radius-sm);
  background:var(--surface);border:1px solid var(--glass-border);
  color:var(--text);font-family:var(--font);font-size:14px;
  transition:border-color .3s;outline:none;
}
.contact-form input:focus,.contact-form textarea:focus{border-color:var(--accent1)}
.contact-form input::placeholder,.contact-form textarea::placeholder{color:var(--text3)}
.contact-form textarea{min-height:140px;resize:vertical}
.contact-form .btn{justify-content:center}
.contact-cta-big{
  margin-top:32px;padding:24px 32px;border-radius:var(--radius);
  background:var(--gradient1);text-align:center;
  display:flex;flex-direction:column;align-items:center;gap:8px;
  transition:transform .4s,box-shadow .4s;
}
.contact-cta-big:hover{transform:translateY(-4px);box-shadow:0 16px 48px rgba(124,58,237,0.3)}
.contact-cta-big .label{font-size:14px;font-weight:500;opacity:0.8}
.contact-cta-big .email{font-size:1.15rem;font-weight:700;word-break:break-all}
@media(max-width:768px){.contact-grid{grid-template-columns:1fr;gap:40px}}

/* ---- WhatsApp Floating Button ---- */
.whatsapp-float{
  position:fixed;bottom:28px;right:28px;z-index:999;
  width:60px;height:60px;border-radius:50%;
  background:#25d366;color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-size:30px;box-shadow:0 6px 24px rgba(37,211,102,0.35);
  transition:all .3s;cursor:pointer;
  animation:whatsapp-pulse 2s infinite;
}
.whatsapp-float:hover{
  transform:scale(1.1);box-shadow:0 8px 32px rgba(37,211,102,0.5);
}
@keyframes whatsapp-pulse{
  0%{box-shadow:0 6px 24px rgba(37,211,102,0.35)}
  50%{box-shadow:0 6px 32px rgba(37,211,102,0.55)}
  100%{box-shadow:0 6px 24px rgba(37,211,102,0.35)}
}
.whatsapp-tooltip{
  position:absolute;right:70px;top:50%;transform:translateY(-50%);
  background:var(--surface);color:var(--text);padding:8px 16px;
  border-radius:8px;font-size:13px;font-weight:500;white-space:nowrap;
  border:1px solid var(--glass-border);opacity:0;pointer-events:none;
  transition:opacity .3s;
}
.whatsapp-float:hover .whatsapp-tooltip{opacity:1}

@media(max-width:768px){
  .whatsapp-float{width:52px;height:52px;font-size:26px;bottom:20px;right:20px}
  .whatsapp-tooltip{display:none}
}

/* ---- Footer ---- */
footer{
  padding:32px 0;border-top:1px solid var(--glass-border);
  text-align:center;font-size:13px;color:var(--text3);
}
footer .footer-links{display:flex;justify-content:center;gap:24px;margin-bottom:12px;flex-wrap:wrap}
footer .footer-links a{transition:color .3s}
footer .footer-links a:hover{color:var(--accent2)}

/* ---- Animations ---- */
.reveal{opacity:0;transform:translateY(40px);transition:all .7s cubic-bezier(.22,1,.36,1)}
.reveal.visible{opacity:1;transform:translateY(0)}
.reveal-delay-1{transition-delay:0.1s}
.reveal-delay-2{transition-delay:0.2s}
.reveal-delay-3{transition-delay:0.3s}
.reveal-delay-4{transition-delay:0.4s}

/* ---- Scrollbar ---- */
::-webkit-scrollbar{width:6px}
::-webkit-scrollbar-track{background:var(--bg)}
::-webkit-scrollbar-thumb{background:var(--bg3);border-radius:3px}
::-webkit-scrollbar-thumb:hover{background:var(--text3)}

/* ---- Utility ---- */
.gradient-divider{height:1px;background:var(--gradient1);border:none;margin:0 auto;max-width:200px}