/* COMPLETE PORTFOLIO CSS - BLUE THEME - MOIZ KHAN DEVELOPER */
@import url("https://fonts.googleapis.com/css2?family=Poppins:wght@400;500;600;700;800&display=swap");

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

:root {
    --primary-gradient: linear-gradient(135deg, #1e3a8a 0%, #1d4ed8 100%); /* Navy Blue Gradient */
    --secondary-gradient: linear-gradient(135deg, #3b82f6 0%, #1e3a8a 100%);
    --accent-gradient: linear-gradient(135deg, #60a5fa 0%, #3b82f6 100%);
    --success-gradient: linear-gradient(135deg, #10b981 0%, #059669 100%);
    
    --primary-color: #1e3a8a; /* Navy Blue */
    --secondary-color: #2563eb; /* Lighter Blue */
    --accent-color: #3b82f6; /* Accent Blue */
    
    --text-primary: #1a202c; /* Dark Text for Light Theme */
    --text-secondary: #4a5568; /* Lighter Text */
    --text-muted: #718096; /* Muted Text */
    
    --bg-primary: #ffffff; /* Light Background */
    --bg-secondary: #f8fafc; /* Lighter Background */
    --bg-tertiary: #edf2f7; /* Very Light Background */
    
    --card-bg: #ffffff; /* White Card Background */
    --border-color: #e2e8f0; /* Light Border */
    
    --shadow-light: 0 4px 6px rgba(0, 0, 0, 0.05);
    --shadow-medium: 0 10px 25px rgba(0, 0, 0, 0.1);
    --shadow-heavy: 0 25px 50px rgba(0, 0, 0, 0.15);

    /* Starfield controls */
    --star-opacity: .65;
    --nebula-opacity: .35;
    --z-stars: 0;
    --z-ui: 10;
}

[data-theme="dark"] {
    --primary-gradient: linear-gradient(135deg, #60a5fa 0%, #3b82f6 100%); /* Light Blue Gradient */
    --secondary-gradient: linear-gradient(135deg, #2563eb 0%, #60a5fa 100%);
    --accent-gradient: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%);
    --success-gradient: linear-gradient(135deg, #10b981 0%, #059669 100%);
    
    --primary-color: #60a5fa; /* Light Blue for Dark Mode */
    --secondary-color: #2563eb; /* Blue for Dark Mode */
    --accent-color: #3b82f6; /* Accent Blue */
    
    --text-primary: #f7fafc; /* Light Text for Dark Mode */
    --text-secondary: #e2e8f0; /* Lighter Secondary Text */
    --text-muted: #a0aec0; /* Muted Text */
    
    --bg-primary: #0b1020; /* Darker so stars pop */
    --bg-secondary: #111831;
    --bg-tertiary: #1a2547;
    
    --card-bg: #1a2547; /* Dark Card Background */
    --border-color: #2a3a6a; /* Dark Border Color */
    
    --shadow-light: 0 4px 6px rgba(0, 0, 0, 0.3);
    --shadow-medium: 0 10px 25px rgba(0, 0, 0, 0.4);
    --shadow-heavy: 0 25px 50px rgba(0, 0, 0, 0.6);

    --star-opacity: .8;
    --nebula-opacity: .5;
}

html{scroll-behavior:smooth}
html,body{min-height:100%;position:relative}

body{
  font-family:'Poppins',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;
  line-height:1.6;color:var(--text-primary);background:var(--bg-primary);
  transition:all .4s cubic-bezier(.4,0,.2,1);overflow-x:hidden
}

/* ===================== STARFIELD (no extra HTML needed) ===================== */
/* Three parallax layers using pseudo-elements + box-shadow star seeds */
/* Small stars */
html::before,
body::before,
body::after{
  content:""; position:fixed; inset:0; pointer-events:none; z-index:var(--z-stars); display:block;
}

/* Layer 1 — many tiny stars */
html::before{
  width:1px;height:1px; background:transparent; opacity:var(--star-opacity);
  box-shadow:
    6vw 12vh #ffffff, 12vw 28vh #e6f0ff, 18vw 72vh #cfe3ff, 24vw 40vh #ffffff,
    30vw 16vh #eaf2ff, 36vw 84vh #dbe7ff, 42vw 58vh #ffffff, 48vw 22vh #e8f0ff,
    54vw 66vh #ffffff, 60vw 10vh #d7e9ff, 66vw 36vh #ffffff, 72vw 78vh #eaf2ff,
    78vw 50vh #ffffff, 84vw 18vh #dfeaff, 90vw 62vh #ffffff, 96vw 30vh #e6f0ff,
    4vw 86vh #ffffff, 20vw 92vh #eaf2ff, 58vw 90vh #ffffff, 10vw 52vh #dfeaff;
  animation:starDrift 160s linear infinite;
}
html::before{transform:translateZ(0)}
html::before{will-change:transform}
html::before{mix-blend-mode:normal}
html::before{backface-visibility:hidden}

/* Layer 2 — medium stars */
body::before{
  width:2px;height:2px; background:transparent; opacity:calc(var(--star-opacity) - .15);
  box-shadow:
    8vw 20vh #ffffff, 22vw 64vh #eaf2ff, 38vw 12vh #ffffff, 52vw 70vh #dbe7ff,
    66vw 26vh #ffffff, 78vw 60vh #eaf2ff, 14vw 14vh #ffffff, 32vw 88vh #e6f0ff,
    48vw 34vh #ffffff, 18vw 80vh #eaf2ff, 88vw 12vh #ffffff, 62vw 52vh #e6f0ff;
  animation:starDrift 220s linear infinite;
}

/* Layer 3 — few big stars */
body::after{
  width:3px;height:3px; background:transparent; opacity:calc(var(--star-opacity) - .3);
  box-shadow:
    10vw 44vh #ffffff, 28vw 8vh #eaf2ff, 46vw 78vh #ffffff, 68vw 54vh #eaf2ff,
    82vw 22vh #ffffff, 94vw 42vh #dfeaff, 16vw 58vh #ffffff, 40vw 24vh #eaf2ff;
  animation:starDrift 300s linear infinite;
}

/* Nebula/glow wash in blue tones */
body:has(*)::marker{}/* noop to keep CSS valid across tools */
:root:has(*){}/* noop */
body::selection{}/* noop */
body::before, body::after{}/* keep order */

html{
  background:
    radial-gradient(900px 600px at 85% 15%, rgba(37,99,235,var(--nebula-opacity)) 0%, rgba(37,99,235,0) 60%),
    radial-gradient(800px 500px at 15% 85%, rgba(30,58,138,var(--nebula-opacity)) 0%, rgba(30,58,138,0) 60%),
    radial-gradient(1200px 800px at 50% 50%, rgba(99,102,241, calc(var(--nebula-opacity)*.6)) 0%, rgba(99,102,241,0) 70%);
}

/* Slow vertical drift */
@keyframes starDrift{from{transform:translateY(0)}to{transform:translateY(100vh)}}
/* =========================================================================== */

.loading-screen{position:fixed;inset:0;background:var(--primary-gradient);display:flex;justify-content:center;align-items:center;z-index:9999;transition:opacity .5s ease,visibility .5s ease}
.loading-screen.hidden{opacity:0;visibility:hidden}
.loader{width:60px;height:60px;border:4px solid rgba(255,255,255,.3);border-top:4px solid #fff;border-radius:50%;animation:spin 1s linear infinite}
@keyframes spin{0%{transform:rotate(0)}100%{transform:rotate(360deg)}}

.navbar{position:fixed;top:0;left:0;width:100%;background:rgba(255,255,255,.85);backdrop-filter:blur(20px);border-bottom:1px solid var(--border-color);z-index:1000;transition:all .4s cubic-bezier(.4,0,.2,1);padding:.5rem 0}
[data-theme="dark"] .navbar{background:rgba(15,23,42,.55)}
.nav-container{max-width:1400px;margin:0 auto;padding:0 1rem;display:flex;justify-content:space-between;align-items:center}
.logo{font-size:1.8rem;font-weight:800;background:var(--primary-gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;text-decoration:none;transition:transform .3s ease}
.logo:hover{transform:scale(1.05)}
.nav-menu{display:flex;list-style:none;gap:2rem;align-items:center}
.nav-link{text-decoration:none;color:var(--text-secondary);font-weight:500;font-size:1rem;transition:all .3s cubic-bezier(.4,0,.2,1);position:relative;padding:.5rem 0}
.nav-link::before{content:'';position:absolute;bottom:0;left:0;width:0;height:2px;background:var(--primary-gradient);transition:width .3s cubic-bezier(.4,0,.2,1)}
.nav-link:hover,.nav-link.active{color:var(--primary-color)}
.nav-link:hover::before,.nav-link.active::before{width:100%}
.nav-actions{display:flex;align-items:center;gap:1rem}
.theme-toggle{background:var(--card-bg);border:2px solid var(--border-color);color:var(--text-primary);width:45px;height:45px;border-radius:50%;cursor:pointer;transition:all .3s cubic-bezier(.4,0,.2,1);display:flex;align-items:center;justify-content:center;font-size:1.1rem}
.theme-toggle:hover{transform:scale(1.1);border-color:var(--primary-color);color:var(--primary-color)}
.mobile-menu-btn{display:none;background:none;border:none;color:var(--text-primary);font-size:1.5rem;cursor:pointer;padding:.5rem;border-radius:8px;transition:all .3s ease}
.mobile-menu-btn:hover{background:var(--bg-secondary)}

.ai-voice-bot{position:fixed;bottom:30px;right:30px;z-index:1000}
.voice-bot-toggle{width:70px;height:70px;background:var(--primary-gradient);border:none;border-radius:50%;color:#fff;font-size:1.5rem;cursor:pointer;box-shadow:var(--shadow-heavy);transition:all .3s cubic-bezier(.4,0,.2,1);display:flex;align-items:center;justify-content:center;position:relative;overflow:hidden}
.voice-bot-toggle::before{content:'';position:absolute;inset:0;background:radial-gradient(circle,rgba(255,255,255,.3) 0%,transparent 70%);opacity:0;transition:opacity .3s ease}
.voice-bot-toggle:hover{transform:scale(1.1);box-shadow:0 15px 35px rgba(37,99,235,.4)}
.voice-bot-toggle:hover::before{opacity:1}
.voice-bot-toggle.listening{animation:pulse-blue 2s ease-in-out infinite}
.voice-bot-toggle.speaking{animation:speak-animation .5s ease-in-out infinite alternate}
@keyframes pulse-blue{0%,100%{box-shadow:0 0 0 0 rgba(37,99,235,.7)}50%{box-shadow:0 0 0 20px rgba(37,99,235,0)}}
@keyframes speak-animation{0%{transform:scale(1)}100%{transform:scale(1.05)}}

.voice-bot-panel{position:fixed;bottom:110px;right:30px;width:min(420px,calc(100vw - 60px));max-height:600px;background:var(--card-bg);border-radius:20px;box-shadow:var(--shadow-heavy);border:1px solid var(--border-color);transform:translateY(20px);opacity:0;visibility:hidden;transition:all .3s cubic-bezier(.4,0,.2,1);overflow:hidden;display:flex;flex-direction:column}
.voice-bot-panel.active{transform:translateY(0);opacity:1;visibility:visible}
.voice-bot-header{background:var(--primary-gradient);color:#fff;padding:1rem 1.5rem;text-align:center;position:relative;flex-shrink:0}
.voice-bot-header h3{margin:0;font-size:1.1rem;font-weight:600}
.voice-bot-close{position:absolute;top:50%;right:1rem;transform:translateY(-50%);background:rgba(255,255,255,.2);border:none;color:#fff;font-size:1.2rem;cursor:pointer;width:32px;height:32px;border-radius:50%;display:flex;align-items:center;justify-content:center;transition:background .3s ease}
.voice-bot-close:hover{background:rgba(255,255,255,.3)}
.voice-bot-content{padding:1rem;flex:1;overflow-y:auto;max-height:350px;background:var(--bg-secondary)}
.voice-bot-content::-webkit-scrollbar{width:6px}
.voice-bot-content::-webkit-scrollbar-thumb{background:var(--primary-color);border-radius:3px}
.voice-bot-message{margin-bottom:1rem;padding:.875rem 1rem;border-radius:15px;font-size:.9rem;line-height:1.5;animation:slideIn .3s ease;max-width:85%;word-wrap:break-word}
@keyframes slideIn{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}
.voice-bot-message.user{background:var(--primary-gradient);color:#fff;margin-left:auto;border-bottom-right-radius:5px}
.voice-bot-message.bot{background:var(--card-bg);color:var(--text-secondary);border:1px solid var(--border-color);margin-right:auto;border-bottom-left-radius:5px}
.voice-bot-message strong{display:block;margin-bottom:.5rem;color:var(--primary-color)}
.voice-bot-typing{display:flex;gap:.5rem;padding:.75rem 1rem;background:var(--card-bg);border:1px solid var(--border-color);border-radius:15px;max-width:60px;margin-right:auto}
.voice-bot-typing span{width:8px;height:8px;background:var(--primary-color);border-radius:50%;animation:typing 1.4s infinite}
.voice-bot-typing span:nth-child(2){animation-delay:.2s}
.voice-bot-typing span:nth-child(3){animation-delay:.4s}
@keyframes typing{0%,60%,100%{transform:translateY(0);opacity:.5}30%{transform:translateY(-10px);opacity:1}}
.voice-bot-status{text-align:center;padding:.75rem 1rem;color:var(--text-muted);font-size:.85rem;background:var(--bg-secondary);border-top:1px solid var(--border-color);flex-shrink:0}
.voice-bot-controls{display:grid;grid-template-columns:repeat(3,1fr);gap:.5rem;padding:1rem;background:var(--card-bg);border-top:1px solid var(--border-color);flex-shrink:0}
.voice-control-btn{padding:.75rem .5rem;border:none;border-radius:10px;font-size:.85rem;cursor:pointer;transition:all .3s ease;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:.25rem;font-weight:500}
.voice-control-btn i{font-size:1.1rem}
.voice-control-btn.primary{background:var(--primary-gradient);color:#fff}
.voice-control-btn.secondary{background:var(--bg-secondary);color:var(--text-secondary);border:1px solid var(--border-color)}
.voice-control-btn:hover:not(:disabled){transform:translateY(-2px);box-shadow:var(--shadow-medium)}
.voice-control-btn:disabled{opacity:.5;cursor:not-allowed}
.voice-bot-input-container{padding:1rem;border-top:1px solid var(--border-color);background:var(--card-bg);flex-shrink:0}
.voice-bot-input-container input{width:100%;padding:.875rem 1rem;border:1px solid var(--border-color);border-radius:10px;background:var(--bg-primary);color:var(--text-primary);font-size:.9rem;transition:all .3s ease;margin-bottom:.5rem;font-family:inherit}
.voice-bot-input-container input:focus{outline:none;border-color:var(--primary-color);box-shadow:0 0 0 3px rgba(37,99,235,.1)}
.voice-bot-input-container button{width:100%;padding:.875rem;background:var(--primary-gradient);color:#fff;border:none;border-radius:10px;cursor:pointer;font-weight:600;font-size:.9rem;transition:all .3s ease;display:flex;align-items:center;justify-content:center;gap:.5rem}
.voice-bot-input-container button:hover{transform:translateY(-2px);box-shadow:var(--shadow-medium)}

.welcome-voice-notification{position:fixed;top:100px;right:30px;background:var(--card-bg);border:1px solid var(--primary-color);border-radius:15px;padding:1rem;box-shadow:var(--shadow-heavy);z-index:1001;transform:translateX(400px);opacity:0;transition:all .5s cubic-bezier(.4,0,.2,1);max-width:300px}
.welcome-voice-notification.show{transform:translateX(0);opacity:1}
.welcome-voice-notification .notification-content{display:flex;align-items:center;gap:1rem}
.welcome-voice-notification .voice-icon{width:40px;height:40px;background:var(--primary-gradient);border-radius:50%;display:flex;align-items:center;justify-content:center;color:#fff;animation:pulse-welcome 2s ease-in-out infinite}
@keyframes pulse-welcome{0%,100%{transform:scale(1)}50%{transform:scale(1.1)}}
.welcome-voice-notification .notification-text h4{color:var(--text-primary);font-size:.9rem;margin-bottom:.25rem}
.welcome-voice-notification .notification-text p{color:var(--text-muted);font-size:.8rem;margin:0}

.hero{min-height:100vh;display:flex;align-items:center;position:relative;overflow:hidden;background:transparent;padding-top:80px}
.hero-bg{position:absolute;inset:0;z-index:1;pointer-events:none;background:radial-gradient(650px 420px at 70% 25%, rgba(59,130,246,.18) 0%, transparent 70%)}
.hero-content{max-width:1400px;margin:0 auto;padding:0 1rem;display:grid;grid-template-columns:1fr 1fr;gap:4rem;align-items:center;position:relative;z-index:var(--z-ui)}
.hero-text{animation:slideInLeft 1s cubic-bezier(.4,0,.2,1)}
@keyframes slideInLeft{from{opacity:0;transform:translateX(-50px)}to{opacity:1;transform:translateX(0)}}
.hero-text h1{font-size:clamp(2.5rem,5vw,4rem);font-weight:800;line-height:1.2;margin-bottom:1.5rem;background:var(--primary-gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.hero-text .subtitle{font-size:clamp(1.2rem,3vw,1.5rem);color:var(--text-secondary);margin-bottom:1rem;font-weight:600}
.hero-text .description{font-size:clamp(1rem,2vw,1.2rem);color:var(--text-muted);margin-bottom:2.5rem;line-height:1.8}
.cta-buttons{display:flex;gap:1rem;flex-wrap:wrap}
.btn{padding:clamp(1rem,2vw,1.2rem) clamp(2rem,4vw,2.5rem);border-radius:50px;text-decoration:none;font-weight:600;font-size:clamp(.9rem,2vw,1.1rem);transition:all .4s cubic-bezier(.4,0,.2,1);border:none;cursor:pointer;display:inline-flex;align-items:center;gap:.8rem;position:relative;overflow:hidden}
.btn::before{content:'';position:absolute;top:0;left:-100%;width:100%;height:100%;background:linear-gradient(90deg,transparent,rgba(255,255,255,.2),transparent);transition:left .5s ease}
.btn:hover::before{left:100%}
.btn-primary{background:var(--primary-gradient);color:#fff;box-shadow:var(--shadow-medium)}
.btn-primary:hover{transform:translateY(-3px);box-shadow:var(--shadow-heavy)}
.btn-outline{background:transparent;color:var(--primary-color);border:2px solid var(--primary-color)}
.btn-outline:hover{background:var(--primary-color);color:#fff;transform:translateY(-3px);box-shadow:var(--shadow-medium)}
.hero-visual{display:flex;justify-content:center;align-items:center;position:relative;animation:slideInRight 1s cubic-bezier(.4,0,.2,1)}
@keyframes slideInRight{from{opacity:0;transform:translateX(50px)}to{opacity:1;transform:translateX(0)}}
.floating-elements{position:absolute;width:100%;height:100%;max-width:500px;max-height:500px}
.floating-card{position:absolute;background:var(--card-bg);border-radius:20px;padding:1.5rem;box-shadow:var(--shadow-heavy);border:1px solid var(--border-color);animation:float 6s ease-in-out infinite;min-width:120px;text-align:center}
.floating-card:nth-child(1){top:10%;left:10%;animation-delay:0s}
.floating-card:nth-child(2){top:20%;right:10%;animation-delay:2s}
.floating-card:nth-child(3){bottom:20%;left:20%;animation-delay:4s}
@keyframes float{0%,100%{transform:translateY(0) rotate(0)}33%{transform:translateY(-20px) rotate(5deg)}66%{transform:translateY(-10px) rotate(-5deg)}}
.floating-card i{font-size:2rem;background:var(--primary-gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;margin-bottom:.5rem}
.floating-card h4{font-size:.9rem;color:var(--text-primary)}
.main-avatar{width:clamp(250px,30vw,350px);height:clamp(250px,30vw,350px);border-radius:50%;background:var(--primary-gradient);display:flex;align-items:center;justify-content:center;font-size:clamp(4rem,8vw,8rem);color:#fff;box-shadow:var(--shadow-heavy);position:relative;z-index:2;animation:pulse 3s ease-in-out infinite}
@keyframes pulse{0%,100%{transform:scale(1)}50%{transform:scale(1.05)}}

.section{padding:clamp(4rem,8vw,8rem) 0;position:relative}
.container{max-width:1400px;margin:0 auto;padding:0 1rem}
.section-header{text-align:center;margin-bottom:5rem;position:relative}
.section-title{font-size:clamp(2.5rem,5vw,3.5rem);font-weight:800;background:var(--primary-gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;margin-bottom:1rem}
.section-subtitle{font-size:clamp(1.1rem,2vw,1.3rem);color:var(--text-muted);max-width:600px;margin:0 auto;line-height:1.8}

.about{background:rgba(255,255,255,.6);position:relative;overflow:hidden}
[data-theme="dark"] .about{background:rgba(16,24,48,.45)}
.about::before{content:'';position:absolute;inset:0;background:radial-gradient(600px 400px at 15% 20%,rgba(30,58,138,.18),transparent 70%);opacity:.7}
.about-content{display:grid;grid-template-columns:1fr 1fr;gap:5rem;align-items:center;position:relative;z-index:2}
.about-text{font-size:clamp(1rem,2vw,1.2rem);line-height:2;color:var(--text-secondary)}
.about-text p{margin-bottom:2rem}
.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:1.5rem;margin-top:3rem}
.stat-item{text-align:center;background:var(--card-bg);padding:2rem 1rem;border-radius:20px;box-shadow:var(--shadow-medium);border:1px solid var(--border-color);transition:transform .3s cubic-bezier(.4,0,.2,1)}
.stat-item:hover{transform:translateY(-10px) scale(1.02)}
.stat-number{font-size:clamp(2rem,4vw,2.5rem);font-weight:800;background:var(--primary-gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;margin-bottom:.5rem}
.stat-label{color:var(--text-muted);font-weight:500;font-size:clamp(.9rem,1.5vw,1rem)}

.skills-showcase{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:2rem}
.skill-card{background:var(--card-bg);padding:2rem 1rem;border-radius:20px;text-align:center;box-shadow:var(--shadow-medium);border:1px solid var(--border-color);transition:all .4s cubic-bezier(.4,0,.2,1);position:relative;overflow:hidden}
.skill-card::before{content:'';position:absolute;inset:0;background:var(--primary-gradient);opacity:0;transition:opacity .3s ease;z-index:1}
.skill-card:hover::before{opacity:.1}
.skill-card:hover{transform:translateY(-15px) rotateY(10deg);box-shadow:var(--shadow-heavy)}
.skill-card>*{position:relative;z-index:2}
.skill-card i{font-size:clamp(2.5rem,4vw,3rem);background:var(--primary-gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;margin-bottom:1rem}
.skill-card h4{color:var(--text-primary);font-weight:600;margin-bottom:.5rem;font-size:clamp(.9rem,1.5vw,1rem)}
.skill-progress{width:100%;height:4px;background:var(--bg-secondary);border-radius:2px;overflow:hidden;margin-top:1rem}
.skill-progress-bar{height:100%;background:var(--primary-gradient);border-radius:2px;transition:width 2s cubic-bezier(.4,0,.2,1)}

.services{background:transparent;position:relative}
.services-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:2rem}
.service-card{background:rgba(255,255,255,.75);padding:3rem 2rem;border-radius:30px;box-shadow:var(--shadow-medium);border:1px solid var(--border-color);text-align:center;transition:all .4s cubic-bezier(.4,0,.2,1);position:relative;overflow:hidden}
[data-theme="dark"] .service-card{background:rgba(16,24,48,.6)}
.service-card::before{content:'';position:absolute;top:-50%;left:-50%;width:200%;height:200%;background:var(--primary-gradient);opacity:0;transform:rotate(45deg);transition:opacity .3s ease}
.service-card:hover::before{opacity:.05}
.service-card:hover{transform:translateY(-20px) scale(1.02);box-shadow:var(--shadow-heavy)}
.service-card>*{position:relative;z-index:2}
.service-icon{width:80px;height:80px;background:var(--primary-gradient);border-radius:50%;display:flex;align-items:center;justify-content:center;margin:0 auto 2rem;font-size:2rem;color:#fff;box-shadow:var(--shadow-medium);transition:transform .3s cubic-bezier(.4,0,.2,1)}
.service-card:hover .service-icon{transform:scale(1.1) rotateY(360deg)}
.service-card h3{font-size:clamp(1.4rem,3vw,1.8rem);font-weight:700;color:var(--text-primary);margin-bottom:1.5rem}
.service-card p{color:var(--text-secondary);line-height:1.8;font-size:clamp(1rem,2vw,1.1rem);margin-bottom:2rem}
.service-features{list-style:none;text-align:left;margin-bottom:2rem}
.service-features li{color:var(--text-muted);margin-bottom:.8rem;display:flex;align-items:center;gap:.8rem;font-size:clamp(.9rem,1.5vw,1rem)}
.service-features li i{color:var(--primary-color);font-size:.9rem;flex-shrink:0}

.contact{background:rgba(255,255,255,.65);position:relative}
[data-theme="dark"] .contact{background:rgba(16,24,48,.5)}
.contact-content{display:grid;grid-template-columns:1fr 1.2fr;gap:4rem;align-items:start}
.contact-info{position:sticky;top:2rem}
.contact-info h3{font-size:clamp(1.8rem,3vw,2rem);font-weight:700;color:var(--text-primary);margin-bottom:2rem}
.contact-info p{color:var(--text-secondary);line-height:1.8;margin-bottom:3rem;font-size:clamp(1rem,2vw,1.1rem)}
.contact-items{display:flex;flex-direction:column;gap:1.5rem;margin-bottom:3rem}
.contact-item{display:flex;align-items:center;gap:1.5rem;background:var(--card-bg);padding:1.5rem;border-radius:20px;box-shadow:var(--shadow-light);border:1px solid var(--border-color);transition:all .3s cubic-bezier(.4,0,.2,1)}
.contact-item:hover{transform:translateX(10px);box-shadow:var(--shadow-medium)}
.contact-item-icon{width:50px;height:50px;background:var(--primary-gradient);border-radius:50%;display:flex;align-items:center;justify-content:center;color:#fff;font-size:1.3rem;flex-shrink:0}
.contact-item-content h4{color:var(--text-primary);font-weight:600;margin-bottom:.5rem;font-size:clamp(1rem,2vw,1.1rem)}
.contact-item-content p{color:var(--text-secondary);margin:0;font-size:clamp(.9rem,1.5vw,1rem)}
.contact-form{background:var(--card-bg);padding:2.5rem;border-radius:30px;box-shadow:var(--shadow-heavy);border:1px solid var(--border-color)}
.form-group{margin-bottom:2rem}
.form-group label{display:block;margin-bottom:.8rem;font-weight:600;color:var(--text-primary);font-size:clamp(1rem,2vw,1.1rem)}
.form-group input,.form-group textarea,.form-group select{width:100%;padding:1.2rem;border:2px solid var(--border-color);border-radius:15px;background:var(--bg-primary);color:var(--text-primary);font-size:clamp(.9rem,1.5vw,1rem);transition:all .3s cubic-bezier(.4,0,.2,1);font-family:inherit}
.form-group input:focus,.form-group textarea:focus,.form-group select:focus{outline:none;border-color:var(--primary-color);box-shadow:0 0 0 3px rgba(37,99,235,.1);transform:translateY(-2px)}
.form-group textarea{resize:vertical;min-height:150px}
.form-group select{cursor:pointer}
.error-message{color:#ef4444;font-size:.9rem;margin-top:.5rem;display:none}
.form-group.error input,.form-group.error textarea,.form-group.error select{border-color:#ef4444}
.form-group.error .error-message{display:block}

.footer{background:rgba(255,255,255,.7);padding:4rem 0 2rem;border-top:1px solid var(--border-color)}
[data-theme="dark"] .footer{background:rgba(16,24,48,.6)}
.footer-content{display:grid;grid-template-columns:2fr 1fr 1fr;gap:3rem;margin-bottom:2rem}
.footer-brand h3{font-size:clamp(1.5rem,3vw,1.8rem);font-weight:800;background:var(--primary-gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;margin-bottom:1rem}
.footer-brand p{color:var(--text-secondary);line-height:1.8;margin-bottom:2rem;font-size:clamp(.9rem,1.5vw,1rem)}
.social-links{display:flex;gap:1rem;flex-wrap:wrap}
.social-link{width:45px;height:45px;background:var(--primary-gradient);border-radius:50%;display:flex;align-items:center;justify-content:center;color:#fff;text-decoration:none;font-size:1.1rem;transition:all .3s cubic-bezier(.4,0,.2,1)}
.social-link:hover{transform:translateY(-5px) scale(1.1);box-shadow:var(--shadow-medium)}
.footer-links h4{color:var(--text-primary);font-weight:600;margin-bottom:1.5rem;font-size:clamp(1.1rem,2vw,1.2rem)}
.footer-links ul{list-style:none}
.footer-links ul li{margin-bottom:1rem}
.footer-links ul li a{color:var(--text-secondary);text-decoration:none;transition:color .3s ease;font-size:clamp(.9rem,1.5vw,1rem)}
.footer-links ul li a:hover{color:var(--primary-color)}
.footer-bottom{text-align:center;padding-top:2rem;border-top:1px solid var(--border-color);color:var(--text-muted);font-size:clamp(.9rem,1.5vw,1rem)}

.scroll-to-top{position:fixed;bottom:30px;left:30px;width:50px;height:50px;background:var(--primary-gradient);border:none;border-radius:50%;color:#fff;font-size:1.2rem;cursor:pointer;opacity:0;visibility:hidden;transition:all .3s cubic-bezier(.4,0,.2,1);z-index:1000;box-shadow:var(--shadow-medium)}
.scroll-to-top.visible{opacity:1;visibility:visible}
.scroll-to-top:hover{transform:translateY(-5px) scale(1.1);box-shadow:var(--shadow-heavy)}

.skip-link{position:absolute;top:-40px;left:6px;background:var(--primary-color);color:#fff;padding:8px;text-decoration:none;border-radius:4px;z-index:10000;transition:top .3s}
.skip-link:focus{top:6px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.fade-in-up{opacity:0;transform:translateY(30px);transition:all .8s cubic-bezier(.4,0,.2,1)}
.fade-in-up.animate{opacity:1;transform:translateY(0)}

::-webkit-scrollbar{width:8px}
::-webkit-scrollbar-track{background:var(--bg-secondary)}
::-webkit-scrollbar-thumb{background:var(--primary-gradient);border-radius:4px}
::-webkit-scrollbar-thumb:hover{background:var(--secondary-gradient)}
::selection{background:var(--primary-color);color:#fff}

.btn:focus-visible,.theme-toggle:focus-visible,.nav-link:focus-visible,.mobile-menu-btn:focus-visible,.voice-bot-toggle:focus-visible,.voice-control-btn:focus-visible{outline:2px solid var(--primary-color);outline-offset:2px}
.keyboard-navigation *:focus{outline:2px solid var(--primary-color)!important;outline-offset:2px!important}

@media (max-width:1024px){
.hero-content,.about-content,.contact-content{grid-template-columns:1fr;gap:2rem}
.hero-text{text-align:center;order:1}
.hero-visual{order:2}
.footer-content{grid-template-columns:1fr;gap:2rem;text-align:center}
.nav-menu{gap:1.5rem}
.services-grid{grid-template-columns:repeat(auto-fit,minmax(280px,1fr))}
.skills-showcase{grid-template-columns:repeat(auto-fit,minmax(120px,1fr))}
.ai-voice-bot{bottom:20px;right:20px}
.voice-bot-toggle{width:60px;height:60px;font-size:1.3rem}
.voice-bot-panel{width:320px;bottom:70px}
}

@media (max-width:768px){
.mobile-menu-btn{display:block}
.nav-menu{display:none;position:absolute;top:100%;left:0;width:100%;background:var(--card-bg);flex-direction:column;padding:2rem 1rem;box-shadow:var(--shadow-heavy);border-top:1px solid var(--border-color);border-radius:0 0 20px 20px}
.nav-menu.active{display:flex}
.nav-menu li{width:100%;text-align:center}
.nav-link{display:block;padding:1rem 0;font-size:1.1rem;border-bottom:1px solid var(--border-color)}
.nav-link:last-child{border-bottom:none}
.nav-actions{position:absolute;top:50%;right:4rem;transform:translateY(-50%)}
.theme-toggle{width:40px;height:40px}
.hero{padding-top:100px;min-height:auto;padding-bottom:2rem}
.hero-content{gap:2rem}
.floating-elements{display:none}
.main-avatar{margin:0 auto}
.section{padding:clamp(3rem,6vw,5rem) 0}
.section-header{margin-bottom:3rem}
.services-grid{grid-template-columns:1fr;gap:2rem}
.service-card{padding:2rem 1.5rem}
.service-icon{width:70px;height:70px;font-size:1.8rem}
.skills-showcase{grid-template-columns:repeat(2,1fr);gap:1.5rem}
.skill-card{padding:1.5rem 1rem}
.stats-grid{grid-template-columns:1fr}
.btn{padding:1rem 1.5rem;font-size:.9rem}
.cta-buttons{flex-direction:column;align-items:center}
.footer-content{gap:1.5rem}
.social-links{justify-content:center}
.social-link{width:40px;height:40px;font-size:1rem}
.stat-item{padding:1.5rem 1rem}
.contact-content{gap:2rem}
.contact-info{position:static}
.contact-form{padding:2rem 1.5rem}
.contact-items{gap:1rem}
.contact-item{padding:1rem;flex-direction:column;text-align:center;gap:1rem}
.contact-item-icon{width:45px;height:45px;font-size:1.2rem}
.voice-bot-panel{width:calc(100vw - 30px);right:15px;bottom:90px;max-height:70vh}
.voice-bot-content{max-height:calc(70vh - 280px)}
.voice-control-btn{font-size:.75rem;padding:.65rem .4rem}
.voice-control-btn i{font-size:1rem}
.welcome-voice-notification{top:90px;right:20px;max-width:280px}
}

@media (max-width:480px){
.nav-container{padding:0 1rem}
.logo{font-size:1.5rem}
.nav-actions{right:3rem}
.hero{padding-top:80px}
.hero-content{padding:0 .5rem}
.section{padding:clamp(2rem,4vw,3rem) 0}
.container{padding:0 .5rem}
.service-card,.contact-form{padding:1.5rem 1rem}
.skills-showcase{grid-template-columns:1fr;gap:1rem}
.stats-grid{grid-template-columns:1fr;gap:1rem}
.voice-bot-panel{width:calc(100vw - 20px);right:10px;bottom:75px}
.voice-bot-content{padding:.75rem;max-height:calc(70vh - 260px)}
.voice-bot-message{font-size:.85rem;padding:.75rem .875rem}
.voice-bot-controls{padding:.75rem;gap:.4rem}
.voice-bot-input-container{padding:.75rem}
.voice-bot-input-container input,.voice-bot-input-container button{padding:.75rem;font-size:.85rem}
.voice-bot-toggle{width:55px;height:55px;font-size:1.2rem}
.ai-voice-bot{bottom:15px;right:15px}
.welcome-voice-notification{top:85px;right:15px;left:15px;max-width:none}
}

@media (max-width:375px){
.nav-container{padding:0 .5rem}
.hero-content,.container{padding:0 .5rem}
.main-avatar{width:200px;height:200px;font-size:4rem}
.service-card{padding:1.5rem .8rem}
.contact-form{padding:1.5rem 1rem}
.form-group input,.form-group textarea{padding:1rem}
.voice-bot-panel{width:calc(100vw - 16px);right:8px}
.voice-control-btn{font-size:.7rem;padding:.6rem .3rem}
}

@media print{
.navbar,.loading-screen,.theme-toggle,.mobile-menu-btn,.ai-voice-bot,.welcome-voice-notification,.scroll-to-top{display:none}
.hero{min-height:auto;padding-top:0}
.section{padding:2rem 0;page-break-inside:avoid}
.service-card,.skill-card{page-break-inside:avoid}
}

@media (prefers-reduced-motion:reduce){
*,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important;scroll-behavior:auto!important}
.floating-card,.main-avatar,.voice-bot-toggle.listening,.voice-bot-toggle.speaking{animation:none}
html::before,body::before,body::after{animation:none}
}

@media (prefers-contrast:high){
:root{--shadow-light:0 4px 6px rgba(0,0,0,.3);--shadow-medium:0 10px 25px rgba(0,0,0,.4);--shadow-heavy:0 25px 50px rgba(0,0,0,.5);--border-color:#000}
[data-theme="dark"]{--border-color:#fff}
}
/* Services slider (minimal, dependency-free) */
.services-slider{position:relative}
.srv-viewport{overflow:hidden}
.srv-track{display:flex;gap:2rem;will-change:transform;transition:transform .5s cubic-bezier(.4,0,.2,1)}
.srv-slide{min-width:100%} /* 1 per view by default */
.srv-nav{position:absolute;top:50%;transform:translateY(-50%);z-index:2;border:none;background:var(--card-bg);border:1px solid var(--border-color);width:44px;height:44px;border-radius:50%;display:flex;align-items:center;justify-content:center;box-shadow:var(--shadow-light);cursor:pointer;transition:all .25s}
.srv-prev{left:-.25rem}
.srv-next{right:-.25rem}
.srv-nav:hover{transform:translateY(-50%) scale(1.06);box-shadow:var(--shadow-medium)}
.srv-dots{display:flex;gap:.5rem;justify-content:center;margin-top:1.25rem}
.srv-dots button{width:8px;height:8px;border-radius:50%;border:none;background:var(--border-color);cursor:pointer;transition:transform .2s, background .2s}
.srv-dots button[aria-selected="true"]{background:var(--secondary-color);transform:scale(1.25)}
@media (min-width:768px){
  .srv-slide{min-width:calc(50% - 1rem)} /* 2 per view on tablet+ */
  .srv-prev{left:-.75rem}
  .srv-next{right:-.75rem}
}
@media (min-width:1100px){
  .srv-slide{min-width:calc(33.333% - 1.333rem)} /* 3 per view on desktop */
}