/* ==========================================
   SAI KUMAR | AI-Powered Digital Marketing
   Portfolio Styles
   ========================================== */

/* --- RESET & BASE --- */
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
:root{
  --bg-primary:#f8f9fc;
  --bg-secondary:#eef0f7;
  --bg-card:#ffffff;
  --bg-glass:rgba(255,255,255,0.75);
  --text-primary:#1a1a2e;
  --text-secondary:#5a5a7a;
  --text-muted:#9a9ab0;
  --accent-gold:#c8960e;
  --accent-gold-light:#d4a017;
  --accent-blue:#3b82f6;
  --accent-purple:#8b5cf6;
  --accent-cyan:#06b6d4;
  --accent-pink:#ec4899;
  --gradient-main:linear-gradient(135deg,#3b82f6 0%,#8b5cf6 50%,#c8960e 100%);
  --gradient-card:linear-gradient(145deg,rgba(59,130,246,0.06),rgba(139,92,246,0.06));
  --shadow-card:0 8px 32px rgba(0,0,0,0.07);
  --shadow-glow:0 0 40px rgba(200,150,14,0.12);
  --border-glass:1px solid rgba(0,0,0,0.06);
  --radius-sm:8px;
  --radius-md:16px;
  --radius-lg:24px;
  --radius-xl:32px;
  --font-sans:'Segoe UI',system-ui,-apple-system,sans-serif;
  --font-display:'Segoe UI',system-ui,-apple-system,sans-serif;
  --nav-height:72px;
  --transition:all 0.4s cubic-bezier(0.25,0.46,0.45,0.94)
}
html{scroll-behavior:smooth;font-size:16px}
body{
  font-family:var(--font-sans);
  background:var(--bg-primary);
  color:var(--text-primary);
  line-height:1.7;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased
}
::selection{background:var(--accent-gold);color:var(--bg-primary)}
::-webkit-scrollbar{width:8px}
::-webkit-scrollbar-track{background:var(--bg-secondary)}
::-webkit-scrollbar-thumb{background:var(--accent-gold);border-radius:4px}
a{color:var(--accent-gold);text-decoration:none;transition:var(--transition)}
a:hover{color:var(--accent-gold-light)}
img{max-width:100%;display:block;height:auto}
.container{max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:100px 0;position:relative}
.section-label{
  display:inline-block;
  font-size:0.8rem;
  font-weight:700;
  letter-spacing:3px;
  text-transform:uppercase;
  color:var(--accent-gold);
  margin-bottom:12px;
  position:relative;
  padding-left:48px
}
.section-label::before{
  content:'';
  position:absolute;
  left:0;
  top:50%;
  width:32px;
  height:2px;
  background:var(--accent-gold);
  transform:translateY(-50%)
}
.section-title{
  font-size:clamp(2rem,5vw,3.2rem);
  font-weight:800;
  line-height:1.15;
  margin-bottom:20px;
  background:var(--gradient-main);
  -webkit-background-clip:text;
  -webkit-text-fill-color:transparent;
  background-clip:text
}
.section-subtitle{
  font-size:1.1rem;
  color:var(--text-secondary);
  max-width:600px;
  line-height:1.8
}
.glass{
  background:var(--bg-glass);
  backdrop-filter:blur(20px);
  -webkit-backdrop-filter:blur(20px);
  border:var(--border-glass);
  border-radius:var(--radius-lg)
}
.btn{
  display:inline-flex;
  align-items:center;
  gap:10px;
  padding:14px 32px;
  border-radius:50px;
  font-weight:600;
  font-size:0.95rem;
  cursor:pointer;
  transition:var(--transition);
  border:none;
  font-family:var(--font-sans);
  text-decoration:none;
  position:relative;
  overflow:hidden;
  letter-spacing:0.3px
}
.btn-primary{
  background:var(--gradient-main);
  color:#fff;
  box-shadow:0 4px 25px rgba(79,172,254,0.35)
}
.btn-primary:hover{
  transform:translateY(-2px);
  box-shadow:0 8px 40px rgba(79,172,254,0.5);
  color:#fff
}
.btn-secondary{
  background:transparent;
  color:var(--text-primary);
  border:2px solid rgba(255,255,255,0.2)
}
.btn-secondary:hover{
  border-color:var(--accent-gold);
  color:var(--accent-gold);
  transform:translateY(-2px)
}
.btn-gold{
  background:var(--accent-gold);
  color:var(--bg-primary);
  box-shadow:0 4px 25px rgba(240,180,41,0.35)
}
.btn-gold:hover{
  transform:translateY(-2px);
  box-shadow:0 8px 40px rgba(240,180,41,0.5);
  color:var(--bg-primary)
}

/* --- NAVBAR --- */
.navbar{
  position:fixed;
  top:0;
  left:0;
  right:0;
  z-index:1000;
  height:var(--nav-height);
  transition:var(--transition);
  padding:0 24px
}
.navbar.scrolled{
  background:rgba(255,255,255,0.85);
  backdrop-filter:blur(24px);
  -webkit-backdrop-filter:blur(24px);
  border-bottom:var(--border-glass)
}
.navbar .container{
  display:flex;
  align-items:center;
  justify-content:space-between;
  height:100%
}
.nav-logo{
  font-size:1.5rem;
  font-weight:800;
  color:var(--text-primary);
  letter-spacing:-0.5px
}
.nav-logo span{background:var(--gradient-main);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.nav-links{display:flex;align-items:center;gap:32px;list-style:none}
.nav-links a{
  color:var(--text-secondary);
  font-size:0.9rem;
  font-weight:500;
  position:relative;
  padding:4px 0
}
.nav-links a::after{
  content:'';
  position:absolute;
  bottom:-2px;
  left:0;
  width:0;
  height:2px;
  background:var(--accent-gold);
  transition:var(--transition)
}
.nav-links a:hover::after,.nav-links a.active::after{width:100%}
.nav-links a:hover{color:var(--text-primary)}
.nav-toggle{
  display:none;
  flex-direction:column;
  gap:5px;
  cursor:pointer;
  background:none;
  border:none;
  padding:8px
}
.nav-toggle span{
  width:24px;
  height:2px;
  background:var(--text-primary);
  transition:var(--transition);
  border-radius:2px
}
.nav-toggle.active span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.active span:nth-child(2){opacity:0}
.nav-toggle.active span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* --- HERO --- */
.hero{
  min-height:100vh;
  display:flex;
  align-items:center;
  position:relative;
  overflow:hidden;
  padding-top:var(--nav-height)
}
#particles-canvas{
  position:absolute;
  inset:0;
  z-index:0;
  pointer-events:none
}
.hero-bg-gradient{
  position:absolute;
  inset:0;
  z-index:-1;
  background:
    radial-gradient(ellipse 80% 60% at 0% 20%,rgba(79,172,254,0.15),transparent 70%),
    radial-gradient(ellipse 60% 80% at 100% 80%,rgba(168,85,247,0.12),transparent 70%),
    radial-gradient(ellipse 50% 50% at 50% 50%,rgba(240,180,41,0.06),transparent 70%);
  animation:bgShift 20s ease-in-out infinite alternate
}
@keyframes bgShift{
  0%{transform:scale(1) rotate(0deg)}
  100%{transform:scale(1.1) rotate(2deg)}
}
.hero .container{
  position:relative;
  z-index:2;
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:60px;
  align-items:center
}
.hero-badge{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:8px 20px;
  border-radius:50px;
  font-size:0.8rem;
  font-weight:600;
  color:var(--accent-gold);
  background:rgba(200,150,14,0.08);
  border:1px solid rgba(200,150,14,0.2);
  margin-bottom:24px;
  letter-spacing:0.5px
}
.hero-badge .dot{
  width:8px;
  height:8px;
  border-radius:50%;
  background:var(--accent-gold);
  animation:pulse-dot 2s ease-in-out infinite
}
@keyframes pulse-dot{
  0%,100%{opacity:1;transform:scale(1)}
  50%{opacity:0.5;transform:scale(0.8)}
}
.hero h1{
  font-size:clamp(2.5rem,6vw,4.2rem);
  font-weight:800;
  line-height:1.08;
  margin-bottom:16px;
  letter-spacing:-1px
}
.hero h1 .highlight{background:var(--gradient-main);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.typing-wrap{
  font-size:clamp(1rem,2vw,1.35rem);
  color:var(--text-secondary);
  margin-bottom:24px;
  min-height:1.8em
}
.typing-wrap .cursor{display:inline-block;width:3px;height:1.2em;background:var(--accent-gold);animation:blink 0.8s step-end infinite;vertical-align:text-bottom;margin-left:2px}
@keyframes blink{0%,100%{opacity:1}50%{opacity:0}}
.hero-desc{
  font-size:1.1rem;
  color:var(--text-muted);
  max-width:540px;
  line-height:1.8;
  margin-bottom:36px
}
.hero-buttons{display:flex;gap:16px;flex-wrap:wrap}
.hero-visual{
  position:relative;
  display:flex;
  justify-content:center;
  align-items:center
}
.hero-profile-frame{
  width:380px;
  height:380px;
  border-radius:50%;
  position:relative;
  display:flex;
  align-items:center;
  justify-content:center
}
.hero-profile-frame::before{
  content:'';
  position:absolute;
  inset:-4px;
  border-radius:50%;
  background:var(--gradient-main);
  animation:spin 8s linear infinite
}
@keyframes spin{to{transform:rotate(360deg)}}
.hero-profile-frame .inner{
  width:100%;
  height:100%;
  border-radius:50%;
  background:var(--bg-card);
  display:flex;
  align-items:center;
  justify-content:center;
  overflow:hidden;
  position:relative
}
.hero-profile-frame .inner img{
  width:100%;
  height:100%;
  object-fit:cover
}
.floating-badge{
  position:absolute;
  padding:12px 20px;
  border-radius:var(--radius-md);
  background:var(--bg-glass);
  backdrop-filter:blur(16px);
  border:var(--border-glass);
  display:flex;
  align-items:center;
  gap:10px;
  font-size:0.85rem;
  font-weight:600;
  color:var(--text-primary);
  animation:float 6s ease-in-out infinite;
  pointer-events:none;
  white-space:nowrap
}
.floating-badge .icon{font-size:1.2rem}
.floating-badge:nth-child(2){top:10%;right:-10%;animation-delay:0s}
.floating-badge:nth-child(3){bottom:15%;left:-8%;animation-delay:2s}
.floating-badge:nth-child(4){bottom:5%;right:5%;animation-delay:4s}
@keyframes float{
  0%,100%{transform:translateY(0px)}
  50%{transform:translateY(-12px)}
}
.scroll-indicator{
  position:absolute;
  bottom:32px;
  left:50%;
  transform:translateX(-50%);
  z-index:2;
  display:flex;
  flex-direction:column;
  align-items:center;
  gap:8px;
  color:var(--text-muted);
  font-size:0.75rem;
  letter-spacing:2px;
  text-transform:uppercase;
  animation:fadeInUp 1s ease 1.5s both
}
.scroll-indicator .mouse{
  width:24px;
  height:38px;
  border:2px solid var(--text-muted);
  border-radius:12px;
  position:relative
}
.scroll-indicator .mouse::before{
  content:'';
  position:absolute;
  top:6px;
  left:50%;
  transform:translateX(-50%);
  width:3px;
  height:8px;
  background:var(--accent-gold);
  border-radius:2px;
  animation:scrollWheel 2s ease-in-out infinite
}
@keyframes scrollWheel{
  0%{transform:translateX(-50%) translateY(0);opacity:1}
  100%{transform:translateX(-50%) translateY(12px);opacity:0}
}

/* --- HERO SLIDER --- */
.hero-slider-section{
  padding:80px 0;
  background:var(--bg-secondary);
  overflow:hidden
}
.slider-container{
  position:relative;
  max-width:1000px;
  margin:0 auto;
  border-radius:var(--radius-xl);
  overflow:hidden;
  box-shadow:var(--shadow-card)
}
.slider-track{
  display:flex;
  transition:transform 0.7s cubic-bezier(0.25,0.46,0.45,0.94);
  will-change:transform
}
.slider-slide{
  min-width:100%;
  position:relative;
  aspect-ratio:16/9;
  overflow:hidden
}
.slider-slide img{
  width:100%;
  height:100%;
  object-fit:cover;
  display:block
}
.slider-slide .slide-overlay{
  position:absolute;
  inset:0;
  background:linear-gradient(to top,rgba(10,10,26,0.85),rgba(10,10,26,0.1));
  display:flex;
  flex-direction:column;
  justify-content:flex-end;
  padding:40px
}
.slider-slide .slide-overlay h3{
  font-size:1.8rem;
  font-weight:700;
  margin-bottom:8px
}
.slider-slide .slide-overlay p{
  font-size:1rem;
  color:var(--text-secondary);
  max-width:500px
}
.slider-btn{
  position:absolute;
  top:50%;
  transform:translateY(-50%);
  width:48px;
  height:48px;
  border-radius:50%;
  border:var(--border-glass);
  background:var(--bg-glass);
  backdrop-filter:blur(12px);
  color:var(--text-primary);
  font-size:1.3rem;
  cursor:pointer;
  transition:var(--transition);
  display:flex;
  align-items:center;
  justify-content:center;
  z-index:5
}
.slider-btn:hover{background:var(--gradient-main);color:#fff}
.slider-prev{left:16px}
.slider-next{right:16px}
.slider-dots{
  display:flex;
  justify-content:center;
  gap:10px;
  margin-top:20px
}
.slider-dot{
  width:10px;
  height:10px;
  border-radius:50%;
  border:2px solid var(--accent-gold);
  background:transparent;
  cursor:pointer;
  transition:var(--transition)
}
.slider-dot.active{background:var(--accent-gold);box-shadow:0 0 12px rgba(240,180,41,0.4)}

/* --- ABOUT --- */
.about-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:60px;
  align-items:center
}
.about-image{
  position:relative;
  border-radius:var(--radius-lg);
  overflow:hidden
}
.about-image img{
  width:100%;
  border-radius:var(--radius-lg);
  aspect-ratio:4/5;
  object-fit:cover;
  border:var(--border-glass)
}
.about-image .exp-badge{
  position:absolute;
  bottom:-10px;
  right:-10px;
  padding:20px 28px;
  border-radius:var(--radius-md);
  background:var(--bg-glass);
  backdrop-filter:blur(16px);
  border:var(--border-glass);
  text-align:center
}
.exp-badge .number{font-size:2rem;font-weight:800;background:var(--gradient-main);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.exp-badge .label{font-size:0.75rem;color:var(--text-secondary);text-transform:uppercase;letter-spacing:1px}
.about-text h3{
  font-size:1.6rem;
  font-weight:700;
  margin-bottom:16px
}
.about-text p{
  color:var(--text-secondary);
  margin-bottom:20px;
  line-height:1.8
}
.about-text .highlight-text{
  color:var(--accent-gold);
  font-weight:600
}
.stats-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:16px;
  margin-top:32px
}
.stat-item{
  text-align:center;
  padding:20px 12px;
  border-radius:var(--radius-md);
  background:var(--bg-card);
  border:var(--border-glass);
  transition:var(--transition)
}
.stat-item:hover{transform:translateY(-4px);border-color:rgba(240,180,41,0.3)}
.stat-item .number{
  font-size:1.8rem;
  font-weight:800;
  background:var(--gradient-main);
  -webkit-background-clip:text;
  -webkit-text-fill-color:transparent;
  background-clip:text;
  line-height:1
}
.stat-item .label{font-size:0.75rem;color:var(--text-muted);margin-top:6px;text-transform:uppercase;letter-spacing:0.5px}

/* --- SERVICES --- */
.services-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
  margin-top:48px
}
.service-card{
  padding:36px 28px;
  border-radius:var(--radius-lg);
  background:var(--gradient-card);
  border:var(--border-glass);
  transition:var(--transition);
  position:relative;
  overflow:hidden;
  cursor:default
}
.service-card::before{
  content:'';
  position:absolute;
  top:0;
  left:0;
  right:0;
  height:3px;
  background:var(--gradient-main);
  transform:scaleX(0);
  transform-origin:left;
  transition:transform 0.6s ease
}
.service-card:hover::before{transform:scaleX(1)}
.service-card:hover{transform:translateY(-8px);box-shadow:var(--shadow-glow);border-color:rgba(240,180,41,0.2)}
.service-card .icon-wrap{
  width:56px;
  height:56px;
  border-radius:var(--radius-md);
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:1.6rem;
  margin-bottom:20px;
  background:rgba(79,172,254,0.1);
  border:1px solid rgba(79,172,254,0.2)
}
.service-card:nth-child(2) .icon-wrap{background:rgba(168,85,247,0.1);border-color:rgba(168,85,247,0.2)}
.service-card:nth-child(3) .icon-wrap{background:rgba(240,180,41,0.1);border-color:rgba(240,180,41,0.2)}
.service-card:nth-child(4) .icon-wrap{background:rgba(34,211,238,0.1);border-color:rgba(34,211,238,0.2)}
.service-card:nth-child(5) .icon-wrap{background:rgba(236,72,153,0.1);border-color:rgba(236,72,153,0.2)}
.service-card:nth-child(6) .icon-wrap{background:rgba(240,180,41,0.1);border-color:rgba(240,180,41,0.2)}
.service-card h4{font-size:1.15rem;font-weight:700;margin-bottom:10px}
.service-card p{font-size:0.9rem;color:var(--text-secondary);line-height:1.7}

/* --- SKILLS --- */
.skills-wrap{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:48px;
  margin-top:48px
}
.skills-category h4{
  font-size:1.1rem;
  font-weight:700;
  margin-bottom:20px;
  color:var(--accent-gold);
  display:flex;
  align-items:center;
  gap:10px
}
.skill-item{margin-bottom:18px}
.skill-item .skill-info{display:flex;justify-content:space-between;margin-bottom:6px;font-size:0.9rem}
.skill-item .skill-info .name{font-weight:600}
.skill-item .skill-info .pct{color:var(--text-muted)}
.skill-bar{
  height:6px;
  border-radius:3px;
  background:rgba(0,0,0,0.06);
  overflow:hidden;
  position:relative
}
.skill-bar .fill{
  height:100%;
  border-radius:3px;
  background:var(--gradient-main);
  width:0;
  transition:width 1.2s cubic-bezier(0.25,0.46,0.45,0.94);
  position:relative
}
.skill-bar .fill.animated{width:var(--pct)}
.skill-bar .fill::after{
  content:'';
  position:absolute;
  right:0;
  top:0;
  width:12px;
  height:100%;
  border-radius:3px;
  background:rgba(255,255,255,0.3);
  filter:blur(4px)
}

/* --- PORTFOLIO --- */
.portfolio-filter{
  display:flex;
  gap:12px;
  flex-wrap:wrap;
  margin:36px 0 32px
}
.filter-btn{
  padding:10px 24px;
  border-radius:50px;
  border:1px solid rgba(0,0,0,0.1);
  background:transparent;
  color:var(--text-secondary);
  font-weight:500;
  font-size:0.85rem;
  cursor:pointer;
  transition:var(--transition);
  font-family:var(--font-sans)
}
.filter-btn.active,.filter-btn:hover{background:var(--gradient-main);color:#fff;border-color:transparent}
.portfolio-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px
}
.portfolio-item{
  border-radius:var(--radius-lg);
  overflow:hidden;
  position:relative;
  cursor:pointer;
  aspect-ratio:4/3;
  background:var(--bg-card);
  border:var(--border-glass);
  transition:var(--transition)
}
.portfolio-item:hover{transform:translateY(-4px);box-shadow:var(--shadow-glow)}
.portfolio-item img{
  width:100%;
  height:100%;
  object-fit:cover;
  display:block;
  transition:transform 0.6s ease
}
.portfolio-item:hover img{transform:scale(1.08)}
.portfolio-item .overlay{
  position:absolute;
  inset:0;
  background:linear-gradient(to top,rgba(10,10,26,0.95),rgba(10,10,26,0.2));
  display:flex;
  flex-direction:column;
  justify-content:flex-end;
  padding:24px;
  opacity:0;
  transition:var(--transition)
}
.portfolio-item:hover .overlay{opacity:1}
.portfolio-item .overlay h5{font-size:1.1rem;font-weight:700;margin-bottom:4px}
.portfolio-item .overlay p{font-size:0.85rem;color:var(--text-secondary)}

/* --- TESTIMONIALS --- */
.testimonials-slider{
  margin-top:48px;
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px
}
.testimonial-card{
  padding:32px 28px;
  border-radius:var(--radius-lg);
  background:var(--bg-card);
  border:var(--border-glass);
  transition:var(--transition);
  position:relative
}
.testimonial-card:hover{transform:translateY(-4px);border-color:rgba(240,180,41,0.2)}
.testimonial-card .quote{
  font-size:2.5rem;
  color:var(--accent-gold);
  opacity:0.3;
  line-height:1;
  margin-bottom:8px
}
.testimonial-card p{color:var(--text-secondary);font-size:0.95rem;line-height:1.7;margin-bottom:20px;font-style:italic}
.testimonial-card .author{display:flex;align-items:center;gap:12px}
.testimonial-card .author .avatar{
  width:44px;
  height:44px;
  border-radius:50%;
  overflow:hidden;
  flex-shrink:0
}
.testimonial-card .author .avatar img{
  width:100%;
  height:100%;
  object-fit:cover
}
.testimonial-card .author .info .name{font-weight:600;font-size:0.95rem}
.testimonial-card .author .info .role{font-size:0.8rem;color:var(--text-muted)}

/* --- BLOG --- */
.blog-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
  margin-top:48px
}
.blog-card{
  border-radius:var(--radius-lg);
  overflow:hidden;
  border:var(--border-glass);
  transition:var(--transition);
  background:var(--bg-card)
}
.blog-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-glow);border-color:rgba(240,180,41,0.2)}
.blog-card .banner{
  height:200px;
  position:relative;
  overflow:hidden
}
.blog-card .banner img{
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform 0.6s ease
}
.blog-card:hover .banner img{transform:scale(1.08)}
.blog-card .banner .tag{
  position:absolute;
  top:12px;
  left:12px;
  padding:4px 14px;
  border-radius:50px;
  background:rgba(200,150,14,0.12);
  backdrop-filter:blur(8px);
  color:var(--accent-gold);
  font-size:0.75rem;
  font-weight:600;
  z-index:2
}
.blog-card .body{padding:20px 24px 24px}
.blog-card .body .date{font-size:0.8rem;color:var(--text-muted);margin-bottom:8px}
.blog-card .body h5{font-size:1.1rem;font-weight:700;margin-bottom:8px}
.blog-card .body p{font-size:0.9rem;color:var(--text-secondary);line-height:1.6}
.blog-card .body .read-more{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:0.85rem;
  font-weight:600;
  color:var(--accent-gold);
  margin-top:12px
}

/* --- CONTACT --- */
.contact-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:60px;
  margin-top:48px
}
.contact-info h3{
  font-size:1.6rem;
  font-weight:700;
  margin-bottom:16px
}
.contact-info p{
  color:var(--text-secondary);
  margin-bottom:32px;
  line-height:1.8
}
.contact-details{display:flex;flex-direction:column;gap:20px}
.contact-detail{
  display:flex;
  align-items:center;
  gap:16px;
  padding:16px 20px;
  border-radius:var(--radius-md);
  background:var(--bg-card);
  border:var(--border-glass);
  transition:var(--transition)
}
.contact-detail:hover{border-color:rgba(240,180,41,0.3);transform:translateX(4px)}
.contact-detail .icon{
  width:44px;
  height:44px;
  border-radius:12px;
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:1.2rem;
  background:rgba(79,172,254,0.1);
  flex-shrink:0
}
.contact-detail .info .label{font-size:0.75rem;color:var(--text-muted);text-transform:uppercase;letter-spacing:0.5px}
.contact-detail .info .value{font-weight:600;font-size:0.95rem;word-break:break-all}
.contact-form{
  padding:40px;
  border-radius:var(--radius-lg);
  background:var(--bg-card);
  border:var(--border-glass)
}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.form-group{margin-bottom:16px}
.form-group label{
  display:block;
  font-size:0.85rem;
  font-weight:600;
  margin-bottom:6px;
  color:var(--text-secondary)
}
.form-group input,.form-group textarea,.form-group select{
  width:100%;
  padding:14px 16px;
  border-radius:var(--radius-sm);
  border:1px solid rgba(0,0,0,0.1);
  background:var(--bg-primary);
  color:var(--text-primary);
  font-size:0.95rem;
  font-family:var(--font-sans);
  transition:var(--transition);
  outline:none
}
.form-group input:focus,.form-group textarea:focus,.form-group select:focus{border-color:var(--accent-gold);box-shadow:0 0 0 3px rgba(240,180,41,0.1)}
.form-group textarea{height:120px;resize:vertical}
.form-group input::placeholder,.form-group textarea::placeholder{color:var(--text-muted)}

/* --- FOOTER --- */
.footer{
  padding:60px 0 30px;
  border-top:var(--border-glass);
  margin-top:40px
}
.footer-grid{
  display:grid;
  grid-template-columns:2fr 1fr 1fr 1fr;
  gap:40px;
  margin-bottom:40px
}
.footer-brand .nav-logo{margin-bottom:12px;display:inline-block}
.footer-brand p{color:var(--text-secondary);font-size:0.9rem;max-width:320px;line-height:1.7}
.footer-social{display:flex;gap:12px;margin-top:20px}
.footer-social a{
  width:40px;
  height:40px;
  border-radius:12px;
  display:flex;
  align-items:center;
  justify-content:center;
  background:var(--bg-card);
  border:var(--border-glass);
  color:var(--text-secondary);
  font-size:1.1rem;
  transition:var(--transition)
}
.footer-social a:hover{background:var(--gradient-main);color:#fff;transform:translateY(-3px)}
.footer-col h5{font-size:0.95rem;font-weight:700;margin-bottom:16px}
.footer-col ul{list-style:none}
.footer-col ul li{margin-bottom:10px}
.footer-col ul a{color:var(--text-secondary);font-size:0.9rem}
.footer-col ul a:hover{color:var(--accent-gold);padding-left:4px}
.footer-bottom{
  padding-top:24px;
  border-top:1px solid rgba(0,0,0,0.06);
  display:flex;
  justify-content:space-between;
  align-items:center;
  flex-wrap:wrap;
  gap:12px
}
.footer-bottom p{font-size:0.85rem;color:var(--text-muted)}
.footer-bottom a{color:var(--accent-gold)}

/* --- FLOATING CTAs --- */
.floating-cta{
  position:fixed;
  bottom:32px;
  right:32px;
  z-index:999;
  display:flex;
  flex-direction:column;
  gap:12px;
  align-items:flex-end
}
.floating-cta .cta-btn{
  width:56px;
  height:56px;
  border-radius:50%;
  border:none;
  color:#fff;
  font-size:1.4rem;
  cursor:pointer;
  transition:var(--transition);
  display:flex;
  align-items:center;
  justify-content:center;
  position:relative;
  text-decoration:none
}
.floating-cta .cta-btn:hover{transform:scale(1.1)}
.floating-cta .cta-email{
  background:var(--gradient-main);
  box-shadow:0 4px 25px rgba(79,172,254,0.4)
}
.floating-cta .cta-email:hover{box-shadow:0 8px 40px rgba(79,172,254,0.5)}
.floating-cta .cta-whatsapp{
  background:#25D366;
  box-shadow:0 4px 25px rgba(37,211,102,0.4)
}
.floating-cta .cta-whatsapp:hover{box-shadow:0 8px 40px rgba(37,211,102,0.5)}
.floating-cta .cta-tooltip{
  position:absolute;
  right:64px;
  top:50%;
  transform:translateY(-50%);
  padding:8px 16px;
  border-radius:var(--radius-sm);
  background:var(--bg-card);
  box-shadow:var(--shadow-card);
  border:var(--border-glass);
  font-size:0.8rem;
  font-weight:600;
  white-space:nowrap;
  opacity:0;
  pointer-events:none;
  transition:var(--transition);
  color:var(--text-primary)
}
.floating-cta .cta-btn:hover .cta-tooltip{opacity:1}

/* --- ANIMATIONS --- */
.fade-up{opacity:0;transform:translateY(40px);transition:opacity 0.7s ease,transform 0.7s ease}
.fade-up.visible{opacity:1;transform:translateY(0)}
.fade-in{opacity:0;transition:opacity 0.7s ease}
.fade-in.visible{opacity:1}
@keyframes fadeInUp{from{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}

/* === RESPONSIVE === */
@media(max-width:1024px){
  .hero .container{grid-template-columns:1fr;text-align:center;gap:40px}
  .hero-desc{margin:0 auto 36px}
  .hero-buttons{justify-content:center}
  .hero-visual{order:-1}
  .hero-profile-frame{width:260px;height:260px}
  .floating-badge{display:none}
  .about-grid{grid-template-columns:1fr;gap:40px}
  .services-grid{grid-template-columns:repeat(2,1fr)}
  .portfolio-grid{grid-template-columns:repeat(2,1fr)}
  .testimonials-slider{grid-template-columns:1fr 1fr}
  .blog-grid{grid-template-columns:repeat(2,1fr)}
  .contact-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:repeat(2,1fr);gap:32px}
  .slider-slide .slide-overlay{padding:24px}
  .slider-slide .slide-overlay h3{font-size:1.3rem}
}
@media(max-width:768px){
  .nav-links{
    position:fixed;
    top:var(--nav-height);
    left:0;
    right:0;
    background:rgba(255,255,255,0.98);
    backdrop-filter:blur(24px);
    flex-direction:column;
    padding:24px;
    gap:20px;
    transform:translateY(-110%);
    transition:var(--transition);
    border-bottom:var(--border-glass)
  }
  .nav-links.open{transform:translateY(0)}
  .nav-toggle{display:flex}
  .section{padding:60px 0}
  .hero{min-height:auto;padding:120px 0 60px}
  .hero-profile-frame{width:200px;height:200px}
  .hero h1{font-size:2rem}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .services-grid{grid-template-columns:1fr}
  .skills-wrap{grid-template-columns:1fr}
  .portfolio-grid{grid-template-columns:1fr}
  .testimonials-slider{grid-template-columns:1fr}
  .blog-grid{grid-template-columns:1fr}
  .form-row{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:24px}
  .footer-bottom{flex-direction:column;text-align:center}
  .floating-cta{bottom:16px;right:16px}
  .floating-cta .cta-btn{width:48px;height:48px;font-size:1.2rem}
  .hero-slider-section{padding:40px 0}
  .slider-slide .slide-overlay h3{font-size:1.1rem}
  .slider-slide .slide-overlay p{font-size:0.85rem}
  .slider-btn{width:36px;height:36px;font-size:1rem}
}
@media(max-width:480px){
  .container{padding:0 16px}
  .hero-profile-frame{width:160px;height:160px}
  .hero h1{font-size:1.7rem}
  .hero-buttons .btn{padding:12px 24px;font-size:0.85rem}
  .section-title{font-size:1.6rem}
  .contact-form{padding:24px}
  .slider-slide .slide-overlay{padding:16px}
  .slider-slide .slide-overlay h3{font-size:1rem}
}